WO2022149405A1 - 電磁継電器 - Google Patents
電磁継電器 Download PDFInfo
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- WO2022149405A1 WO2022149405A1 PCT/JP2021/045406 JP2021045406W WO2022149405A1 WO 2022149405 A1 WO2022149405 A1 WO 2022149405A1 JP 2021045406 W JP2021045406 W JP 2021045406W WO 2022149405 A1 WO2022149405 A1 WO 2022149405A1
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/24—Parts rotatable or rockable outside coil
- H01H50/26—Parts movable about a knife edge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H50/443—Connections to coils
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5805—Connections to printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
Definitions
- This disclosure relates to electromagnetic relays.
- an electromagnetic relay as disclosed in the following Patent Document 1, it has a main fixed contact and a main movable contact that is connected to and separated from the main fixed contact, and is arranged in an internal space formed in a housing. It is known that a main contact portion is provided and the main fixed contact portion and the main movable contact can be brought into contact with each other to switch between conduction and non-conduction between the main fixed contact portion and the main movable contact portion.
- the electromagnetic relay has an auxiliary fixed contact and an auxiliary movable contact that is connected to and separated from the auxiliary fixed contact, and further includes an auxiliary contact portion arranged in an internal space formed in the housing.
- the auxiliary contact portion is provided with an auxiliary contact terminal having an auxiliary contact (auxiliary fixed contact or auxiliary movable contact), and the auxiliary contact terminal is fixed to the coil bobbin.
- auxiliary contact terminal auxiliary fixed contact or auxiliary movable contact
- an electromagnetic relay provided with an auxiliary contact portion, it is preferable to be able to prevent the auxiliary contact terminal from coming off or rotating from the coil bobbin when an external impact is applied.
- the electromagnetic relay according to the present disclosure is provided with a housing, a main fixed contact provided in the housing, a main movable contact provided in the housing, and an auxiliary fixed contact separated from the main fixed contact.
- the coil bobbin around which the coil is wound and the coil terminal to which the coil is connected are provided, and the main fixed contact and the main movable contact are arranged in front of the coil, and the auxiliary fixed contact and the said.
- the auxiliary movable contact is arranged above the coil in the housing, and the first auxiliary contact terminal or the second auxiliary contact terminal extends above the coil and is the auxiliary fixed contact or the said.
- An upper piece provided with an auxiliary movable contact, a side piece connected to the upper piece, extending downward from the upper piece, and arranged on the side of the coil, and connected to the side piece.
- the side piece is press-fitted into a press-fitting portion formed in the coil bobbin, including a connection piece provided so as to project outward from the housing. It has an opening into which the side piece is press-fitted and a regulatory wall formed around the opening so as to face the side piece.
- auxiliary contact composed of the auxiliary fixed contact and the auxiliary movable contact
- FIG. 5 is an exploded perspective view of a member other than the cover of the electromagnetic relay according to the first embodiment as viewed from another direction. It is an exploded perspective view of the electromagnet device included in the electromagnetic relay which concerns on 1st Embodiment, as seen from one direction.
- FIG. 5 is an exploded perspective view of a moving member, a movable portion, and a main movable contact portion included in the electromagnetic relay according to the first embodiment as viewed from one direction.
- FIG. 5 is an exploded perspective view of a moving member, a movable portion, and a main movable contact portion included in the electromagnetic relay according to the first embodiment as viewed from other directions. It is an exploded perspective view which looked at the auxiliary contact part provided with the electromagnetic relay which concerns on 1st Embodiment from one direction. It is a figure which shows the contact and separation of the main contact part and the auxiliary contact part which concerns on 1st Embodiment, and is the perspective view which shows the state which the main contact part and the auxiliary contact part are in the 2nd position.
- the vertical direction in a state where the base is positioned below the case and the coils are arranged so that the axial direction extends in the vertical direction will be described as the Z direction (axial direction).
- the base is positioned below the case with the base extending along the horizontal plane, and the coils are arranged so that the axial direction extends in the vertical direction.
- the vertical direction will be described as the Z direction (axial direction).
- the direction intersecting the Z direction (axial direction) will be described as the X direction (first direction: front-rear direction: the direction in which the main fixed contact and the main movable contact face each other). Then, the direction intersecting the X direction and the Z direction will be described as the Y direction (second direction: width direction: longitudinal direction of the movable contactor). Specifically, the Z direction is orthogonal to the X direction, and the Y direction is orthogonal to the X direction and the Z direction.
- the upper and lower sides are defined with the base positioned below the case, and the side where the main fixed contact is arranged is the front in the front-rear direction, and the side where the main movable contact is arranged is the rear in the front-rear direction.
- the electromagnetic relay 1 As shown in FIGS. 1 and 2, the electromagnetic relay 1 according to the present embodiment includes a housing 10 formed in a hollow box shape by a resin material.
- the housing 10 has a base 110 and a case 120 that covers the base 110, and has a substantially rectangular cuboid-shaped outer surface.
- the internal space S1 is formed in the housing 10 with the case 120 attached to the base 110.
- the shape of the outer surface of the housing 10 is not limited to the rectangular cuboid shape, and may be any shape.
- the electromagnet device (driving unit) 20 is arranged behind the X direction (front-back direction: first direction) in the internal space S1 of the housing 10, and is mainly located in front of the X direction (front-back direction: first direction).
- the contact portion 40 is arranged.
- the auxiliary contact portion 60 is arranged in the internal space S1 of the housing 10 behind the X direction (front-back direction: first direction) and above the Z direction (vertical direction: axial direction).
- the main contact portion 40 is a so-called normally closed type contact portion in which the contact is turned on in the initial state
- the auxiliary contact portion 60 is used as a so-called normally open type contact portion in which the contact is turned off in the initial state.
- the main contact portion 40 is a so-called normally open type contact portion in which the contact is turned off in the initial state
- the auxiliary contact portion 60 is a so-called normally closed type contact portion in which the contact is turned on in the initial state.
- the base 110 is connected to a substantially rectangular plate-shaped base portion 111 extending along a substantially horizontal plane (direction intersecting the Z direction: XY plane) and the peripheral edge of the base portion 111, and is connected in the Z direction (up and down).
- a peripheral wall 112 extending in the direction) is provided (see FIGS. 3 to 7).
- a step is formed on the peripheral edge of the opening on the upper end side of the peripheral wall 112, and the outer circumference is smaller than that on the lower end side.
- a pair of protrusions 112a are arranged side by side in the left-right direction on each of the front surface and the rear surface above the stepped portion of the peripheral wall 112.
- the case 120 has a substantially box shape that opens downward, and the case 120 is attached to the base 110 from above.
- the case 120 has a substantially rectangular plate-shaped top wall 121 extending along a substantially horizontal plane (direction intersecting the Z direction: XY plane), and extends downward in the Z direction (vertical direction) from the peripheral edge of the top wall 121. It is provided with a peripheral wall 122 provided (see FIGS. 3 to 5).
- the peripheral wall 122 is located in front of the X direction (front-back direction), extends in the Y direction (width direction) and Z direction (vertical direction), and is located behind the front wall 1221 in the X direction (front-back direction). It includes a rear wall 1222 extending in the Y direction (width direction) and the Z direction (vertical direction). Further, the peripheral wall 122 is provided with a pair of side walls 1223 that are connected to the front wall 1221 and the rear wall 1222 on both sides in the Y direction (width direction) and extend in the X direction (front-back direction) and the Z direction (vertical direction). ing.
- a pair of insertion holes 122a into which the protrusion 112a of the base 110 is inserted when the case 120 is attached to the base 110 are arranged side by side in the left-right direction.
- the base 110 includes a first side wall 131 that is continuously provided so as to rise upward from the bottom surface 111a of the base portion 111 and extends in the Y direction (width direction). Further, the base 110 includes a pair of second side walls 132 that are connected to each other from both ends of the first side wall 131 in the Y direction (width direction) toward the rear in the X direction (front-back direction). The pair of second side walls 132 are also extended so as to rise upward from the bottom surface 111a of the base portion 111.
- the joint iron 240 of the electromagnet device 20 is held by the first side wall 131 and the pair of second side walls 132 extending upward from the bottom surface 111a of the base portion 111, and the side surfaces 210a of the coil 210 are held on three sides. (At least a part) is surrounded.
- the electromagnet device 20 is arranged behind the first side wall 131.
- the main contact portion 40 is arranged in front of the first side wall 131 (see FIGS. 2 to 4). That is, in the present embodiment, the electromagnet device 20 and the main contact portion 40 are arranged in the internal space S1 in a state of being partitioned in the X direction (front-back direction) by the first side wall 131.
- a partition wall 113 is formed in front of the first side wall 131 of the base 110, and the partition wall 113 ensures a creepage distance between a pair of fixed contact portions 310 and 310, which will be described later.
- the base 110 is formed with a raising member 114 for providing a gap between the base 110 and the printed circuit board when the electromagnetic relay 1 is arranged on a printed circuit board (not shown).
- the electromagnet device (driving unit) 20 is a device that generates an electromagnetic force, and includes a coil 210 that generates a magnetic flux when energized, and a hollow cylindrical coil bobbin 220 around which the coil 210 is wound. (See FIG. 8).
- the coil 210 for example, a conducting wire can be used.
- the coil 210 is arranged in the internal space S1 of the housing 10 so that the axial direction extends in the Z direction (vertical direction) with the base 110 positioned below the case 120.
- the coil bobbin 220 is formed of a resin which is an insulating material, and a cylindrical tubular portion 221 extending in the Z direction (vertical direction: axial direction of the coil) is formed in the central portion of the coil bobbin 220. There is. A through hole 2211 penetrating in the Z direction (vertical direction: axial direction of the coil) is formed inside the tubular portion 221.
- the coil bobbin 220 is provided with a substantially rectangular upper flange portion 222 which is connected to the upper end of the tubular portion 221 around which the coil 210 is wound on the outer surface and protrudes radially outward of the tubular portion 221. ..
- the coil bobbin 220 is continuously provided at the lower end of the tubular portion 221 and includes a substantially rectangular lower flange portion 223 protruding outward in the radial direction of the tubular portion 221.
- the upper flange portion 222 is provided at the substantially rectangular upper flange main body 2221 protruding outward in the radial direction of the tubular portion 221 and at the rear end portion in the X direction (front-back direction) of the upper flange main body 2221. It is provided with a pair of extending portions 2222 that are connected so as to project outward in the Y direction (width direction) and upward in the Z direction (vertical direction: axial direction of the coil). The auxiliary contact portion 60 is held by the pair of extending portions 2222.
- the lower flange portion 223 has a substantially rectangular lower flange body 2231 protruding outward in the radial direction of the tubular portion 221 and the rear end side of the lower flange body 2231 in the X direction (front-back direction) in the Y direction. It is provided with a pair of extending portions 2232, which are connected so as to project outward (in the width direction). The auxiliary contact portion 60 is held by the pair of extending portions 2232.
- the electromagnet device 20 is provided with an iron core 230 that is inserted into a through hole 2211 formed in the tubular portion 221 of the coil bobbin 220 and is magnetized (passed by magnetic flux) by the energized coil 210.
- the iron core 230 is arranged inside the coil 210.
- the iron core 230 has a substantially cylindrical shaft portion 231 extending in the Z direction (vertical direction) and a substantially cylindrical shaft portion 231 having a diameter larger than that of the shaft portion 231 and connected to the upper end of the shaft portion 231. It has a head 232 and (see FIG. 8).
- the electromagnet device 20 includes a joint iron 240 arranged around the coil 210 wound around the tubular portion 221.
- the joint iron 240 is a substantially plate-shaped member made of a magnetic material, and has a substantially L-shape in a side view (state seen along the Y direction). That is, the joint iron 240 has a vertical wall portion (standing portion) 241 arranged so as to extend in front of the coil 210 wound around the tubular portion 221 substantially along the vertical plane, and the vertical wall portion 241. It is provided with a horizontal wall portion 242 extending rearward from the lower end (see FIG. 8).
- Such a joint iron 240 can be formed, for example, by bending a single plate.
- the joint iron 240 is supported by the first side wall 131 and the pair of second side walls 132 extending upward from the bottom surface 111a of the base portion 111 (see FIGS. 3 and 4). ).
- a pair of projecting portions (extensions) 2411 projecting upward are formed at both ends of the vertical wall portion (standing portion) 241 of the joint iron 240 in the Y direction (width direction), and a pair of projecting portions (extensions) are formed.
- the contact pole 310 is arranged between 2411.
- the electromagnet device 20 includes a pair of coil terminals 250 to which both ends of the coil 210 are connected to each other, and the electromagnet device 20 is driven by energizing the coil 210 via the pair of coil terminals 250.
- the coil terminal 250 is fixed to the coil bobbin 220 in a state where the tip (connection piece) 251 is projected downward (outward) in the vertical direction (Z direction) from the housing 10.
- the coil terminals 250 are each held in a pair of coil terminal holding grooves 223a formed in the pair of extending portions 2232 (see FIG. 8).
- the moving member 30 is moved by switching the driving state of the electromagnet device 20.
- the moving member 30 is attached over a polaron 310 arranged so as to face the head 232 of the iron core 230 in the vertical direction (Z direction), and the polaron 310 and the joint iron 240. It is equipped with a hinge spring 320.
- the polaron 310 is made of a conductive metal so that it can swing in the vertical direction (Z direction) with respect to the head 232 of the iron core 230 according to the excitation / non-excitation of the coil 210. Have been placed.
- the tangent 310 extends downward from the horizontal wall portion 311 facing the head portion 232 of the iron core 230 in the vertical direction (Z direction) and the front end of the horizontal wall portion 311 in the X direction (front-back direction). It is provided with a vertical wall portion 312 extended so as to (see FIGS. 9 and 10).
- the horizontal wall portion 311 of the tangent element 310 is attached to the upper end of the vertical wall portion 241 so as to swing in the vertical direction (Z direction), and the tangent pole 310 is supported by the joint iron 240. It is possible to rotate in the Z direction (vertical direction) around the center.
- notches 3111 are formed at both ends of the horizontal wall portion 311 in the Y direction (width direction) at the front end portion in the X direction (front-back direction). Then, the protruding portion (extension portion) 2411 of the joint iron 240 is inserted into the notch 3111 so that the polaron 310 is supported by the joint iron 240. As described above, in the present embodiment, the notch 3111 is a portion supported by the joint iron 240 of the polaron 310.
- a through hole 313 penetrating in the Z direction (vertical direction) is formed at the front end of the polarion 310 in the X direction (front-back direction). Then, the hinge spring 320 is attached over the contact pole 310 and the joint iron 240 in a state of being inserted into the through hole 313. At this time, the polaron 310 is urged by the hinge spring 320 in the direction in which the horizontal wall portion 311 is separated from the head portion 232 of the iron core 230.
- the polaron 310 is rotated so that the horizontal wall portion 311 approaches the head portion 232 of the iron core 230. Specifically, by energizing the coil 210, the horizontal wall portion 311 of the polaron 310 is attracted to the head 232 of the iron core 230, and the horizontal wall portion 311 approaches the head 232 of the iron core 230. The polaron 310 is rotated. That is, by energizing the coil 210 via the pair of coil terminals 250, the horizontal wall portion 311 of the polaron 310 rotates downward in the Z direction (vertical direction). At this time, the vertical wall portion 312 serially connected to the horizontal wall portion 311 rotates forward in the X direction (front-back direction).
- the swing range of the polarion 310 is set between the position where the horizontal wall portion 311 is farthest from the head 232 of the iron core 230 and the position where the horizontal wall portion 311 is closest to the head 232 of the iron core 230. Has been done.
- the swing range of the polarion 310 is the initial position where the horizontal wall portion 311 is separated upward by a predetermined gap from the head portion 232 of the iron core 230, and the horizontal wall portion 311 is the iron core 230. It is set between the contact position and the contact position that abuts on the head 232.
- the tangent element 310 moves to the contact position where the horizontal wall portion 311 abuts on the head 232 of the iron core 230, and when the energization of the coil 210 is stopped, the hinge It will return to the initial position by the urging force of the spring 320.
- the polaron 310 is arranged to face the head 232 of the iron core 230 through a predetermined gap when the coil 210 is not energized, and is arranged so as to face the head 232 of the iron core 230 when the coil 210 is energized. It swings so as to be sucked toward the head 232 side of the head.
- a main contact portion 40 that opens and closes the main contact according to the on / off of energization of the coil 210 is provided in front of the electromagnet device 20.
- the main contact portion 40 includes a main fixed contact portion 410 and a main movable contact portion 420
- the main fixed contact portion 410 includes a main fixed contact 411 and a main body portion 412 having a main fixed contact 411.
- the main movable contact portion 420 includes a main movable contact 421 that moves relative to the main fixed contact 411 and can be contacted and separated from the main fixed contact 411, and a movable contact 422 having the main movable contact 421.
- the main contact portion 40 includes only one set of a main fixed contact portion 410 and a main movable contact portion 420 that are paired with each other (have main contacts that are in contact with each other and are separated from each other) (FIG. FIG. 6 and FIG. 7).
- the pair of the main fixed contact portion 410 having the main contacts separated from each other and the main movable contact portion 420 is composed of a pair of main fixed contact portions 410 and one main movable contact portion 420. There is.
- the two main fixed contact portions 410 having a shape symmetrical with respect to the XZ plane are used as a pair of main fixed contact portions 410. Then, the two paired main fixed contact portions 410 are fixed to the base 110 (housing 10) in a state of being separated in the Y direction (width direction: axial direction and direction intersecting the first direction: second direction). There is.
- Each main fixed contact portion 410 includes a main body portion 412 having one main fixed contact 411 (see FIGS. 6 and 7).
- a member to be the main fixing contact is inserted into the insertion hole 412a formed so as to penetrate the main body 412 in the plate thickness direction, and rivet joining is performed so that the main body 412 becomes the main fixing contact. It has 411 (see FIGS. 14 and 15).
- the main body portion 412 has a function as a fixed-side main contact holding body for holding the main fixed contact 411.
- the formation of the main fixed contact 411 on the main body portion 412 does not need to be performed by rivet joining, but can be performed by various methods.
- the main movable contact 421 come into contact with a part of the flat surface of the main body 412, it is possible to make a part of the flat surface of the main body 412 function as the main fixed contact.
- main fixed contact portion 410 is continuously provided at the lower end of the main body portion 412, and is attached to the base 110 (housing 10) with the tip (connecting portion) protruding downward (outward) of the base 110 (housing 10). It is provided with a connection piece 413 to be fixed.
- the base 110 is formed with an insertion hole 115 penetrating in the Z direction (vertical direction). Then, the tip (connecting portion: lower end) of the connecting piece 413 is inserted into the insertion hole 115 from above.
- the main fixed contact portion 410 is fixed to the base 110 (housing 10) with the tip (connecting portion: lower end) of the connection piece 413 protruding downward (outward) of the base 110. (See FIGS. 14 and 15).
- the main fixing contact portion 410 is fixed to the base 110 (housing 10) with an adhesive or the like.
- the main fixed contact portion 410 is fixed to the base 110 (housing 10) with the main fixed contact 411 facing rearward in the X direction (front-back direction). That is, the main fixed contact portion 410 has a base 110 (rear surface: a surface on the side facing the main movable contact 421) of the main body portion 412 on which the main fixed contact 411 is formed so as to face the rear. It is fixed to the housing 10).
- the main fixed contact 411, the main body portion 412, and the connection piece 413 can be formed of, for example, a conductive material such as a silver-based material or a copper-based material.
- the two main fixed contacts 411 are arranged side by side in the Y direction, which is the direction orthogonal (intersecting) with the direction in which the main fixed contact 411 and the main movable contact 421 move relative to each other. .. Then, one of the two main body portions 412 has one main fixed contact 411, and the other main body portion has the other main fixed contact 411.
- one main movable contact portion 420 includes one movable contact 422, and one movable contact 422 has a pair of main movable contacts 421 arranged side by side in the Y direction (width direction). (See FIGS. 9 and 10).
- a member to be a main movable contact is inserted into an insertion hole 422a formed so as to penetrate in the plate thickness direction on both sides of a substantially rectangular plate-shaped movable contactor 422 in the longitudinal direction, and rivet joining is performed. It is given.
- the main movable contact 422 has the main movable contact 421 (see FIGS. 14 and 15).
- the movable contactor 422 has a function as a movable side main contact holding body for holding the main movable contact 421.
- the main movable contact 421 is not required to be formed on the movable contact 422 by rivet joining, but can be formed by various methods. For example, it is also possible to make the protruding portion function as the main movable contact by applying dowel processing to the movable contact 422. Further, by making a part of the flat surface of the movable contact 422 contact with the main fixed contact 411, it is possible to make a part of the flat surface of the movable contact 422 function as the main movable contact. ..
- one main movable contact portion 420 is paired with two main fixings in a state where the plate thickness direction is substantially matched in the X direction (front-back direction) and the longitudinal direction is substantially matched in the Y direction (width direction). It is arranged so as to be located behind the contact portion 410 in the X direction (front-back direction). At this time, the main movable contact portion 420 is arranged so that the main movable contact 421 faces the main fixed contact 411 in the X direction (front-back direction).
- the main movable contact 421 formed on one side in the Y direction (width direction) is the main of the main fixed contact portion 410 in which the main movable contact 421 is arranged on one side in the Y direction (width direction). It is arranged so as to face the fixed contact 411 in the X direction (front-back direction).
- the main movable contact 421 formed on the other side in the Y direction (width direction) is the main fixed contact of the main fixed contact portion 410 arranged on the other side in the Y direction (width direction). It is arranged so as to face the 411 in the X direction (front-back direction).
- one main movable contact 421 is brought into contact with and separated from one main fixed contact 411 of the two main fixed contacts 411, and the other main movable contact 421 is brought into contact with and separated from the other main fixed contact 411. I try to do it. Further, one movable contact 422 has two main movable contacts 421.
- the main movable contact 421 and the movable contact 422 can also be formed of a conductive material such as a silver-based material or a copper-based material.
- the set composed of the pair of main fixed contact portions 410 having such a configuration and one main movable contact portion 420 is in the X direction (front-back direction: first) with respect to the first side wall 131 in the internal space S1. It is housed in front of (in one direction) (see FIGS. 12 to 15).
- the main movable contact portion 420 is arranged so as to swing relatively in the X direction (front-back direction) with respect to the pair of main fixed contact portions 410.
- the main contact portion 40 is continuously provided to the contact pole 310 via the movable portion 50. Then, by swinging the movable portion 50 in the X direction (front-back direction) with the swing of the polaron 310, the main movable contact portion 420 moves in the X direction (front-back direction) in conjunction with the operation of the movable portion 50. It is designed to swing. That is, by causing the movable portion 50 to hold the main movable contact portion 420, the main movable contact portion 420 swings relatively in the X direction (front-back direction) with respect to the pair of main fixed contact portions 410. There is.
- the movable portion 50 is formed of an insulating resin material, and an insertion hole 511 in which the vertical wall portion 312 of the polaron 310 is inserted and held is formed in the upper portion.
- the holder portion 51 is provided.
- the movable portion 50 includes a movable plate 52 connected to the lower portion of the holder portion 51, and a movable spring 53 for connecting the movable plate 52 and the movable contact element 422.
- a through hole 521 penetrating in the plate thickness direction is formed at the upper portion of the movable plate 52 in the Z direction (vertical direction). Then, with the upper end of the movable plate 52 inserted into the insertion hole (not shown) formed at the lower end of the holder portion 51, the protrusion formed in the insertion hole (not shown) of the holder portion 51 is inserted into the through hole 521. As a result, the movable plate 52 is held by the holder portion 51.
- a protrusion 522 protruding rearward is formed in the central portion of the movable plate 52 in the Z direction (vertical direction), and a plate thickness direction is formed in the upper portion of the movable spring 53 in the Z direction (vertical direction).
- An upper through hole 531 is formed through the hole. Then, the protrusion 522 of the movable plate 52 is inserted into the upper through hole 531 of the movable spring 53 so that the movable spring 53 is held by the movable plate 52.
- a lower through hole 532 penetrating in the plate thickness direction is formed in the lower portion of the movable spring 53 in the Z direction (vertical direction), and is formed in the central portion of the movable contact 422 in the Y direction (width direction).
- a protrusion 422b projecting rearward is formed. Then, the movable contact 422 is held by the movable spring 53 by inserting the protrusion 422b of the movable contact 422 into the lower through hole 532 of the movable spring 53.
- the main contact portion 40 is connected to the contact pole 310 via the movable portion 50.
- the main movable contact portion 420 swings relatively in the X direction (front-back direction) with respect to the pair of main fixed contact portions 410 as the polaron 310 swings. I try to do it. Therefore, the main movable contact 421 swings so as to draw an arc centered on the upper end of the vertical wall portion 312.
- the auxiliary contact portion 60 is arranged separately from the main contact portion 40 in the internal space S1 of the housing 10.
- the auxiliary contact portion 60 has an internal space in a state where auxiliary contacts (auxiliary fixed contact 611 and auxiliary movable contact 621) are present at positions behind the X direction (front-back direction) and on the upper end side of the coil 210. It is arranged in S1.
- the auxiliary fixed contact 611 and the auxiliary movable contact 621 of the auxiliary contact portion 60 are arranged on the other side (rear side) of the first direction (X direction) from the axis of the coil 210, and are arranged in the axial direction (rear side).
- the axial direction of the coil 210 ( It is arranged on the upper end side in the Z direction).
- the auxiliary fixed contact portion 60 includes an auxiliary fixed contact portion 610 and an auxiliary movable contact portion 620, and the auxiliary fixed contact portion 610 has an auxiliary fixed contact 611 and a first auxiliary contact terminal 612 having an auxiliary fixed contact 611. , Is equipped.
- the auxiliary movable contact portion 620 moves relative to the auxiliary fixed contact 611 and can be connected to and separated from the auxiliary fixed contact 611, the auxiliary movable contact 621, and the second auxiliary contact terminal 622 having the auxiliary movable contact 621. It is equipped with.
- the auxiliary contact portion 60 includes only one set of an auxiliary fixed contact portion 610 and an auxiliary movable contact portion 620 that are paired with each other (have auxiliary contacts that are in contact with each other) (FIG. FIG. 6 and FIG. 7).
- the set of the auxiliary fixed contact portion 610 and the auxiliary movable contact portion 620 having auxiliary contacts that are separated from each other is composed of one auxiliary fixed contact portion 610 and one auxiliary movable contact portion 620.
- One auxiliary fixed contact portion 610 is formed with one auxiliary fixed contact 611
- one auxiliary movable contact portion 620 has one auxiliary movable contact 621 that is connected to and separated from one auxiliary fixed contact 611. Is only formed.
- the auxiliary fixed contact portion 610 includes a first auxiliary contact terminal 612 having one auxiliary fixed contact 611.
- the first auxiliary contact terminal 612 includes an upper piece 613 extending in the Y direction (width direction: axial direction and direction intersecting the first direction: second direction) on the upper end side of the coil 210. ..
- An auxiliary fixed contact 611 is formed on the upper piece 613.
- the upper piece 613 is formed as an auxiliary fixing contact by inserting a member to be an auxiliary fixing contact into the insertion hole 613a formed so as to penetrate the upper piece 613 in the plate thickness direction and performing rivet joining. It has 611 (see FIG. 11).
- the upper piece 613 has a function as a fixed-side auxiliary contact holder for holding the auxiliary fixed contact 611.
- the auxiliary fixing contact 611 is not required to be formed on the upper piece 613 by rivet joining, but can be formed by various methods. For example, it is also possible to make the protruding portion function as an auxiliary fixing contact by applying dowel processing to the upper piece 613. Further, by making the auxiliary movable contact 621 come into contact with a part of the flat surface of the upper piece 613, it is possible to make a part of the flat surface of the upper piece 613 function as an auxiliary fixed contact. A plurality of auxiliary fixed contacts 611 may be provided on the upper piece 613 (first auxiliary contact terminal 612).
- the first auxiliary contact terminal 612 is connected to the outer end of the upper piece 613 in the Y direction (width direction: second direction), extends along the XZ plane, and extends in the Z direction (vertical direction: up and down direction:). It is provided with an elongated side piece 614 (in the axial direction).
- the side piece 614 is connected to the upper piece 613 so as to extend downward from the upper piece 613 in the Z direction (vertical direction: axial direction), and is connected to the upper piece 613 in the Y direction (width direction) of the coil 210. : It is arranged on the side of the second direction).
- the first auxiliary contact terminal 612 includes a connection piece 615 extending downward from the lower end of the side piece 614.
- the connection piece 615 is formed so as to project downward (outward) of the base 110 with the side piece 614 held by the coil bobbin 220 arranged on the base 110.
- the side piece 614 is a first side piece 6141 connected to the outer end of the upper piece 613 in the Y direction (width direction: second direction), and X from the lower end of the first side piece 6141. It is provided with a connecting portion 6142 extending forward in the direction (front-back direction: first direction). Further, the side piece 614 includes a second side piece 6143 extending downward in the Z direction (vertical direction: axial direction) from the lower part of the front end of the connecting portion 6142. A connection piece 615 is connected to the lower end of the second side piece 6143 so as to project downward (outward) from the housing 10. In the present embodiment, the tip 6151 of the connection piece 615 is located below the coil 210 in the Z direction (vertical direction: axial direction).
- the side piece 614 is connected to the first side piece 6141 connected to the upper piece 613 and the connection piece 615, and is connected to the first side piece 6141 in the X direction (front-back direction: first). It is provided with a second side piece 6143 arranged at a position shifted forward in the direction) and a connecting portion 6142 connecting the first side piece 6141 and the second side piece 6143 in the Y direction (direction). Width direction: The shape is bent like a crank when viewed from the second direction).
- the auxiliary fixed contact portion 610 is held by the coil bobbin 220.
- the auxiliary fixed contact portion 610 is held by the coil bobbin 220 in a state where the auxiliary fixed contact 611 faces downward in the Z direction (vertical direction: axial direction). That is, the auxiliary fixed contact portion 610 is attached to the coil bobbin 220 in a state where the surface of the upper piece 613 on the side where the auxiliary fixed contact 611 is formed (lower surface: the surface on the side facing the auxiliary movable contact 621) faces downward. It is being held.
- auxiliary fixed contact 611 and the first auxiliary contact terminal 612 can be formed of, for example, a conductive material such as a silver-based material or a copper-based material.
- the auxiliary movable contact portion 620 includes a second auxiliary contact terminal 622 having one auxiliary movable contact 621.
- the second auxiliary contact terminal 622 includes an upper piece 623 extending in the Y direction (width direction: axial direction and direction intersecting the first direction: second direction) on the upper end side of the coil 210. ..
- An auxiliary movable contact 621 is formed on the upper piece 623.
- the upper piece 623 includes a substantially rectangular plate-shaped main body portion 6231 and a leaf spring 6232 extending in the horizontal direction and elongated in the Y direction (width direction).
- the leaf spring 6232 has an auxiliary movable contact 621.
- the leaf spring 6232 has a shape bent like a crank so that the tip (inner end in the Y direction) is located downward. Then, by inserting a member to be an auxiliary movable contact into the insertion hole 6232a formed at the tip of the leaf spring 6232 so as to penetrate in the plate thickness direction and performing rivet joining, the leaf spring 6232 becomes the auxiliary movable contact 621. (See FIG. 11). As described above, in the present embodiment, the leaf spring 6232 has a function as a movable side auxiliary contact holding body for holding the auxiliary movable contact 621.
- the auxiliary movable contact 621 is not required to be formed on the leaf spring 6232 (see FIG. 11) by rivet joining, but can be formed by various methods. For example, it is also possible to make the protruding portion function as an auxiliary movable contact by applying dowel processing to the leaf spring 6232. Further, by contacting the auxiliary movable contact 621 with a part of the flat surface of the leaf spring 6232, it is possible to make a part of the flat surface of the leaf spring 6232 function as the auxiliary movable contact.
- a plurality of auxiliary movable contacts 621 may be provided on the leaf spring 6232 (upper piece 623: second auxiliary contact terminal 622).
- the main body portion 6231 is continuously provided at the outer end portion of the leaf spring 6232 in the Y direction (width direction). Specifically, a pair of insertion holes 6232b are formed in the leaf spring 6232 at the outer end in the Y direction (width direction) so as to be lined up in the X direction (front-back direction), and the main body 6231 has a pair of insertion holes 6232b.
- the pair of protrusions 6231a are formed so as to line up in the X direction (front-back direction). Then, by performing rivet joining with the pair of protrusions 6231a inserted into the pair of insertion holes 6232b, the leaf spring 6232 is continuously provided in the main body portion 6231.
- the second auxiliary contact terminal 622 is continuously provided at the outer end of the main body portion 6231 (upper piece 623) in the Y direction (width direction: second direction), extends along the XZ plane, and Z.
- a side piece 624 elongated in the direction (vertical direction: axial direction) is provided.
- the side piece 624 is connected to the main body 6231 (upper piece 623) so as to extend downward from the main body 6231 (upper piece 623) in the Z direction (vertical direction: axial direction).
- the coil 210 is arranged on the side in the Y direction (width direction: second direction).
- the second auxiliary contact terminal 622 includes a connection piece 625 extending downward from the lower end of the side piece 624.
- the connection piece 625 is formed so as to project downward (outward) of the base 110 with the side piece 624 held by the coil bobbin 220 arranged on the base 110.
- the side piece 624 is a first side piece 6241 and a first side piece connected to the outer end of the main body 6231 (upper piece 623) in the Y direction (width direction: second direction). It is provided with a connecting portion 6242 extending from the lower end of the 6241 toward the front in the X direction (front-back direction: first direction). Further, the side piece 624 includes a second side piece 6243 extending downward in the Z direction (vertical direction: axial direction) from the lower part of the front end of the connecting portion 6242. A connection piece 625 is connected to the lower end of the second side piece 6243 so as to project downward (outward) from the housing 10. In the present embodiment, the tip 6251 of the connection piece 625 is located below the coil 210 in the Z direction (vertical direction: axial direction).
- the side piece 624 is connected to the first side piece 6241 connected to the main body portion 6231 (upper piece 623) and the connection piece 625 to the first side piece 6241.
- a second side piece 6243 arranged at a position displaced forward in the X direction (front-back direction: first direction), and a connecting portion 6242 connecting the first side piece 6241 and the second side piece 6243.
- And has a shape that is bent like a crank when viewed from the Y direction (width direction: second direction).
- the auxiliary movable contact portion 620 is held by the coil bobbin 220.
- the auxiliary movable contact portion 620 is held by the coil bobbin 220 in a state where the auxiliary movable contact 621 faces upward in the Z direction (vertical direction). That is, the auxiliary movable contact portion 620 is attached to the coil bobbin 220 in a state where the surface of the leaf spring 6232 on the side where the auxiliary movable contact 621 is formed (upper surface: the surface on the side facing the auxiliary fixed contact 611) faces upward. It is being held.
- auxiliary movable contact 621 and the second auxiliary contact terminal 622 can be formed of, for example, a conductive material such as a silver-based material or a copper-based material.
- the set composed of one auxiliary fixed contact portion 610 and one auxiliary movable contact portion 620 having such a configuration is in the X direction (front-back direction: first) with respect to the first side wall 131 in the internal space S1. It is housed behind (in one direction) and on the upper end side of the coil 210 (see FIGS. 12 to 15).
- the auxiliary fixed contact 611 and the auxiliary movable contact 621 are arranged above the head portion 232 of the iron core 230 in the Z direction (vertical direction).
- the auxiliary movable contact portion 620 is arranged so that the leaf spring 6232 can swing relative to the auxiliary fixed contact portion 610 in the Z direction (vertical direction).
- the auxiliary drive unit 70 allows the leaf spring 6232 to swing relatively in the Z direction (vertical direction) with respect to the auxiliary fixed contact portion 610. That is, by switching the drive state of the electromagnet device 20 and swinging the auxiliary drive unit 70, the conduction between the auxiliary fixed contact portion 610 and the auxiliary movable contact portion 620 that are paired with each other (having auxiliary contacts that are in contact with each other and separated from each other). , Non-conduction can be switched.
- the auxiliary drive unit 70 is made of an insulating resin material and is held by the horizontal wall portion 311 of the polaron 310. Then, the auxiliary drive unit 70 is swung in the Z direction (vertical direction) as the polaron 310 swings. By doing so, the leaf spring 6232 is swung in the Z direction (vertical direction) as the auxiliary drive unit 70 swings in the Z direction (vertical direction).
- the auxiliary drive portion 70 is connected to the main body portion 71 so as to project outward in the Y direction (width direction) from the main body portion 71, and is held by the horizontal wall portion 311 of the polarion 310. , Is equipped. Further, the auxiliary drive unit 70 is continuously provided so as to project from the main body unit 71 toward the rear side in the X direction (front-rear direction), and includes a push-up unit 73 that pushes up the leaf spring 6232 upward.
- the fixing portion 72 has an arm portion 721 projecting outward in the Y direction (width direction) and a Z direction (up and down) from the outer end portion of the arm portion 721 in the Y direction (width direction). It is provided with a hook portion 722 that is continuously provided toward the lower side of the direction).
- a held portion 3112 for holding the auxiliary drive portion 70 is formed at the rear portion in the X direction (front-back direction) of the horizontal wall portion 311 of the polaron 310. Then, by hooking the pair of hook portions 72 on the held portion 3112, the auxiliary drive portion 70 is held by the horizontal wall portion 311 of the polaron 310.
- the auxiliary drive unit 70 is made to swing in conjunction with the swing of the polaron 310, so that the auxiliary fixed contact portion 610 and the auxiliary movable contact having auxiliary contacts that are in contact with each other and separated from each other are made to swing.
- the continuity and non-conduction with the unit 620 can be switched. That is, the main contact portion 40 is brought into contact with and separated from the one end portion of the polaron 310, and the auxiliary contact portion 60 is brought into contact with and separated from the other end of the polaron 310.
- the auxiliary movable contact portion 620 swings relatively in the Z direction (vertical direction) with respect to the auxiliary fixed contact portion 610 as the contact pole 310 swings. There is. At this time, the auxiliary movable contact 621 swings so as to draw an arc centered on the outer end portion of the leaf spring 6232 in the Y direction (width direction).
- the leaf spring 6232 is in a state where the auxiliary movable contact 621 is separated from the auxiliary fixed contact 611 in a natural state, and the second auxiliary contact terminal 622 in which the coil bobbin 220 is held is held. It is serialized in.
- the push-up portion 73 of the auxiliary drive portion 70 is pushed upward by contacting the leaf spring 6232, and the auxiliary movable contact 621 is in contact with the auxiliary fixed contact 611. I am doing it.
- the auxiliary drive unit 70 may drive the leaf spring 6232 by using another method.
- the auxiliary drive unit 70 drives the leaf spring 6232
- the auxiliary drive unit 70 pushes down the leaf spring 6232 so that the auxiliary movable contact 621 is separated from the auxiliary fixed contact 611 and becomes a non-conducting state by contacting the contact 611 to be in a conductive state.
- the auxiliary contact portion 60 is provided so that the on state and the off state are opposite to the main contact portion 40.
- the horizontal wall portion 311 of the polarion element 310 moves away from the head 232 of the iron core 230 due to the elastic force of the hinge spring 320.
- the movable portion 50 is also located behind in the X direction (front-back direction). That is, the main movable contact portion 420 held by the movable portion 50 is separated from the main fixed contact portion 410, and the main movable contact 421 is separated from the main fixed contact 411 (see FIGS. 12 and 14). ).
- the leaf spring 6232 is pushed up by the push-up portion 73 of the auxiliary drive unit 70, and the auxiliary movable contact 621 becomes the auxiliary fixed contact. It is in contact with 611 (see FIGS. 12 and 14).
- the horizontal wall portion 311 of the polaron 310 is attracted downward (on the iron core 230 side) by an electromagnetic force, and the head of the iron core 230 resists the elastic force of the hinge spring 320. It moves closer to the part 232. Then, the vertical wall portion 312 rotates forward as the horizontal wall portion 311 rotates downward (on the iron core 230 side), and the movable portion 50 rotates forward as the vertical wall portion 312 rotates forward. Rotates forward.
- the movable contact 422 held by the movable portion 50 rotates forward toward the main fixed contact portion 410, and the main movable contact 421 of the movable contact 422 becomes the main fixed contact 411 of the main fixed contact portion 410.
- the pair of main fixed contact portions 410 are electrically connected by the main movable contact portion 420 (see FIGS. 13 and 15).
- the auxiliary drive unit 70 since the auxiliary drive unit 70 also moves in the direction approaching the head 232 of the iron core 230, the push-up portion 73 of the auxiliary drive unit 70 is lowered downward, and the auxiliary movable contact 621 is moved from the auxiliary fixed contact 611. It will be in a separated state. By doing so, the electrical connection between the auxiliary fixed contact portion 610 and the auxiliary movable contact portion 620 is released (see FIGS. 13 and 15).
- the horizontal wall portion 311 of the polaron 310 rotates upward (the side away from the iron core 230) due to the urging force of the hinge spring 320 and returns to the initial position. do.
- the vertical wall portion 312 rotates rearward as the horizontal wall portion 311 rotates upward
- the movable portion 50 rotates rearward as the vertical wall portion 312 rotates backward. ..
- the movable contact 422 held by the movable portion 50 rotates backward so as to be separated from the main fixed contact portion 410, and the main movable contact 421 of the movable contact 422 becomes the main fixed contact of the main fixed contact portion 410. Separate from 411. By doing so, the electrical connection between the pair of main fixed contact portions 410 is released.
- the leaf spring 6232 is pushed up by the push-up portion 73 of the auxiliary drive unit 70 and returns to the initial position.
- the auxiliary movable contact 621 is in contact with the auxiliary fixed contact 611, and the auxiliary fixed contact portion 610 and the auxiliary movable contact portion 620 are electrically connected.
- the main movable contact 421 and the main fixed contact 411 are separated from each other, and the auxiliary movable contact 621 and the auxiliary fixed contact 611 are in contact with each other. It is in position (see FIGS. 12 and 14).
- the polaron 310 is in the contact position, the main movable contact 421 and the main fixed contact 411 are in contact with each other, and the auxiliary movable contact 621 and the auxiliary fixed contact 611 are in the first position separated from each other (1st position). 13 and 15).
- the pair of main fixed contact portions 410 are insulated, and during the period when the coil 210 is energized, the pair of main fixed contact portions 410 are electrically connected. ..
- the main movable contact 421 reciprocates between the first position and the second position in the first direction (X direction: front-back direction) with respect to the main fixed contact 411. It is configured to be able to (rotate).
- the auxiliary fixed contact portion 610 and the auxiliary movable contact portion 620 are insulated, and during the period when the coil 210 is energized, the auxiliary fixed contact portion 610 and the auxiliary movable contact portion are insulated.
- the 620 and 620 will be conductive.
- the auxiliary movable contact 621 reciprocates relatively in the axial direction (Z direction: vertical direction) with respect to the auxiliary fixed contact 611 between the first position and the second position (the Z direction: the vertical direction). It is configured to be able to rotate).
- the arc generated between the main movable contact 421 and the main fixed contact 411 can be further increased. I try to extinguish the arc more reliably and more quickly.
- the space formed between the second side wall 132 and the side wall 1223 of the case 120 is the arc extension space S4 that extends the arc (see FIG. 5).
- the auxiliary contact portion 60 becomes available. It may be affected by consumable powder. In particular, in an electromagnetic relay through which a large current flows, the auxiliary contact portion 60 is greatly affected by consumable powder and the like.
- a partition wall 130 is formed which divides the internal space S1 into a main contact side space S2 in which the main contact portion 40 is present and an auxiliary contact side space S3 in which the auxiliary contact portion 60 is present. That is, the continuous portion of the partition wall 130 makes it possible to define the main contact side space S2 and the auxiliary contact side space S3 of the internal space S1.
- the partition wall 130 by providing the partition wall 130, the main contact side space S2 in which the main contact portion 40 is arranged and the auxiliary contact side space S3 in which the auxiliary contact portion 60 is arranged can be communicated with each other through a narrower gap. I am doing it. That is, by providing the partition wall 130, it is possible to prevent the main contact side space S2 and the auxiliary contact side space S3 from communicating with each other in a relatively wide gap as much as possible. By doing so, it is possible to more reliably suppress that the consumable powder or the like generated in the main contact portion 40 invades into the auxiliary contact side space S3 in which the auxiliary contact portion 60 exists.
- the partition wall 130 extends along the Z direction (vertical direction: axial direction) on the front side (one side of the first direction intersecting the axial direction) of the coil 210 in the X direction (front-back direction).
- a first side wall 131 connected to the base 110 as described above is provided.
- partition walls 130 are arranged on both sides in the Y direction (width direction: axial direction of the coil and the second direction intersecting the first direction), and extend along the Z direction (vertical direction: axial direction). Is provided with a pair of second side walls 132 connected to the base 110.
- the first side wall 131 for supporting the joint iron 240 and the pair of second side walls 132 are provided with the main contact side space S2 in which the main contact portion 40 is present and the auxiliary contact portion 60. It also functions as a partition wall 130 that is divided into an auxiliary contact side space S3.
- the main contact portion 40 and the movable portion 50 are located on the front side in the X direction (front-rear direction), and the rear side (the other side in the first direction intersecting the axial direction) in the X direction (front-rear direction). ) Is connected to the base 110 so that the auxiliary contact portion 60 and the coil 210 are located.
- the partition walls 130 are arranged side by side in the Y direction (width direction: second direction), and are provided along the Z direction (vertical direction: axial direction) and along the second side wall 132.
- Third side wall 133 is provided (see FIGS. 16 and 17).
- the third side wall 133 is formed inside the case 120. Specifically, the third side wall 133 extends from the inner side surface of the top wall 121 along the X direction (front-back direction: first direction) and the Z direction (vertical direction: axial direction). Further, the third side wall 133 is formed so that the rear end in the X direction (front-back direction: first direction) is in contact with the inner side surface of the rear wall 1222.
- the lower end portion of the third side wall 133 is arranged outside the Y direction (width direction: second direction) of the second side wall 132. At this time, a gap is hardly formed between the lower end portion of the third side wall 133 and the second side wall 132 (see FIG. 18).
- the third side wall 133 is provided on the case 120 so as to overlap the second side wall 132 when viewed from the Y direction (width direction: second direction).
- the main contact side space S2 is an internal space S1 facing the front side surface of the first side wall 131 in the X direction and an internal space S1 facing the outer side surface of the pair of second side walls 132 in the Y direction. And an internal space S1 facing the outer side surface of the third side wall 133 in the Y direction.
- the auxiliary contact side space S3 includes an internal space S1 facing the rear side surface of the first side wall 131 in the X direction and an internal space S1 facing the inner side surface of the pair of second side walls 132 in the Y direction.
- the internal space S1 facing the inner side surface of the third side wall 133 in the Y direction is included.
- the internal space S1 facing the outer side surface in the Y direction of one of the second side wall 132 and the third side wall 133 is the main contact side space S2.
- the other internal space S1 facing the inner side surface in the Y direction is the auxiliary contact side space S3.
- the pair of third side walls 133 is a contact peripheral portion of the auxiliary contact portion 60 in the Z direction (vertical direction: axial direction) with respect to the bottom surface 111a of the base 110 in a state where the base 110 is positioned below the case 120. It is provided at the same height as (see FIG. 18). That is, the pair of third side walls 133 overlap with at least a part of the contact peripheral portion of the auxiliary contact portion 60 when viewed from the direction orthogonal to the Z direction.
- the contact peripheral portion is an auxiliary movable portion that can be moved within the movable range of the auxiliary fixed contact 611, the terminal portion 612 (the upper end of the upper piece 613 and the side piece 614) around the auxiliary fixed contact 611, and the leaf spring 6232. It is composed of a contact 621, an upper piece 623 (main body 6231 and a leaf spring 6232), and an upper end of a side piece 624.
- the contact peripheral portion of the auxiliary contact portion 60 is located at the upper end portion of the auxiliary contact portion 60.
- the pair of third side walls 133 are provided at the same height as at least one of the auxiliary fixed contact 611 and the auxiliary movable contact 621 in the Z direction with respect to the bottom surface 111a of the base 110.
- the pair of third side walls 133 may be provided higher than the head portion 232 of the iron core 230 in the Z direction with respect to the bottom surface 111a of the base 110.
- the terminal portion 612) around the 611 is made to overlap with the third side wall 133. That is, a leaf spring 6232 and an auxiliary fixed contact 611 provided with a contact peripheral portion (auxiliary movable contact 621) of the auxiliary contact portion 60 are provided between a pair of third side walls 133 in the Y direction (width direction: second direction).
- the entire upper piece 613) is arranged.
- the arc extension space S4 of the main contact side space S2 and the auxiliary contact side space S3 are divided by the third side wall 133.
- the third side wall 133 makes it possible to more reliably prevent consumable powder or the like generated in the main contact portion 40 from entering the auxiliary contact side space S3 through the arc extension space S4.
- the main contact side space S2 is located above the main contact portion 40 and has a substantially L-shaped space when viewed from the Y direction (width direction: second direction). There is.
- This space is a polaron arrangement space S5 in which the polaron 310 is arranged (see FIGS. 14 and 15). Since the polaron 310 is arranged in the polaron arrangement space S5 in a state where the swing is allowed, a relatively large gap between the polaron 310 and the case 120 in the polaron arrangement space S5. Will be formed.
- the polaron 310 may be displaced during swinging, or consumable powder or the like generated in the main contact portion 40 may pass through a relatively large gap formed between the polaron 310 and the case 120 to be an auxiliary contact. There is a risk of invading the side space S3.
- the partition wall 130 is provided on the case 120 so as to project downward in the Z direction (vertical direction: axial direction) with the base 110 positioned below the case 120. I am trying to prepare. Then, the fourth side wall 134 is made to face the polaron 310 in the Z direction (vertical direction: axial direction) while extending in the Y direction (width direction: second direction) (see FIGS. 14 and 15). ).
- the fourth side wall 134 is arranged in front of the vertical wall portion (standing portion) 241 of the joint iron 240 in the X direction (front-rear direction: first direction) (main contact portion 40 side). It has a holding wall 1341 capable of holding the contact element 310.
- the holding wall 1341 has a protrusion 1341a formed in the center of the Y direction (width direction: second direction) and a pair of recesses formed at both ends of the protrusion 1341a in the Y direction (width direction: second direction). 1341b and (see FIGS. 16 and 17). Further, the holding wall 1341 includes a pair of holding wall extending portions 1341c formed on the outer sides of the pair of recesses 1341b in the Y direction (width direction: second direction). The pair of holding wall extending portions 1341c are formed so that the outer side in the Y direction (width direction: second direction) is in contact with the inner side surface of the side wall 1223.
- the lower end of the protrusion 1341a is inserted into the through hole 313 formed in the polaron 310 (see FIG. 20).
- a pair of recesses 1341b are formed on both sides of the through hole 313 in the polarion 310 in the Y direction (width direction: second direction) and in the Z direction (vertical direction: axial direction). I try to face each other.
- the polaron 310 is arranged between the pair of holding wall extending portions 1341c in the Y direction (width direction: second direction).
- the holding wall 1341 having such a shape in the case 120, it is possible to prevent the polaron 310 from being displaced during swinging. Further, since the contact pole arrangement space S5 is divided in the X direction (front-back direction: first direction) by the holding wall 1341, consumable powder or the like generated in the main contact portion 40 invades into the auxiliary contact side space S3. It can be more reliably suppressed by the holding wall 1341.
- the fourth side wall 134 is arranged behind the vertical wall portion (standing portion) 241 of the joint iron 240 in the X direction (front-rear direction: first direction) (on the auxiliary contact portion 60 side), and is above the contact pole 310.
- the space S5 is provided with a partition wall 1342 capable of dividing the space S5.
- the main contact side space S2 includes the internal space S1 facing the front side surface in the X direction of the fourth side wall 134 (holding wall 1341, partition wall 1342).
- the auxiliary contact side space S3 includes the internal space S1 facing the rear side surface in the X direction of the fourth side wall 134 (holding wall 1341, partition wall 1342).
- the partition wall 1342 includes a recess 1342a formed in the central portion in the Y direction (width direction: second direction) and a pair of partition wall extensions formed at both ends of the recess 1342a in the Y direction (width direction: second direction). It is provided with a party wall 1342b (see FIGS. 16 and 17).
- the pair of partition wall extending portions 1342b are formed so that the outer side in the Y direction (width direction: second direction) is connected to the front end portion of the third side wall 133.
- the polaron 310 upper surface of the water wall wall portion 311) in the Z direction (vertical direction: axial direction) (FIG. 14). And see Figure 15). Further, with the case 120 attached to the base 110, the polaron 310 is arranged between the pair of partition wall extending portions 1342b in the Y direction (width direction: second direction).
- the partition wall 1342 has partition wall extending portions 1342b arranged on both sides of the polaron 310 in the Y direction (width direction: second direction). Further, in the present embodiment, the partition wall extending portion 1342b has a portion located outside the second side wall 132 in the Y direction (width direction: second direction).
- the partition wall 1342 By providing the partition wall 1342 having such a shape in the case 120, the partition wall 1342 suppresses the intrusion of consumable powder or the like that could not be completely blocked by the holding wall 1341 into the auxiliary contact side space S3. I am trying to do it.
- the partition wall 130 extends in the Z direction (vertical direction: axial direction) and is arranged outside the second side wall 132 in the Y direction (width direction: second direction). It has a fifth side wall 135 provided on the 120.
- a thick portion 1223a is formed in the central portion of the side wall 1223 of the case 120 in the X direction (front-back direction: first direction).
- the fifth side wall 135 extends inward in the Y direction (width direction: second direction) from the central portion in the X direction (front-back direction: first direction) of the thick portion 1223a. Further, the fifth side wall 135 extends downward from the top wall 121 of the case 120 in the Z direction (vertical direction: axial direction). Then, with the case 120 attached to the base 110, the lower end of the fifth side wall 135 is located at the intermediate portion between the base portion 111 of the base 110 and the top wall 121 of the case 120.
- the position of the lower end of the fifth side wall 135 may be positioned between the base portion 111 of the base 110 and the top wall 121 of the case 120, and the amount of protrusion of the fifth side wall 135 from the top wall 121 is It can be set as appropriate.
- the amount of protrusion of the fifth side wall 135 from the top wall 121 is preferably such that a space that linearly communicates from the main contact portion 40 to the auxiliary contact side space S3 is not formed in the arc extension space S4. That is, it is preferable that the shortest route from the main contact portion 40 to the auxiliary contact side space S3 through the arc extension space S4 becomes a polygonal line when viewed from the Y direction (width direction: second direction).
- the fifth side wall 135 is integrally formed with the third side wall 133 and the partition wall extending portion 1342b. Specifically, the fifth side wall 135, the third side wall 133, and the partition wall extending portion 1342b are integrally formed.
- the arc extension space S4 is divided in the X direction (front-back direction: first direction), so that consumable powder or the like generated in the main contact portion 40 is on the auxiliary contact side. Invasion into the space S3 can be more reliably suppressed by the fifth side wall 135.
- the main contact side space S2 includes the internal space S1 facing the front side surface of the fifth side wall 135 in the X direction.
- the auxiliary contact side space S3 includes an internal space S1 facing the rear side surface of the fifth side wall 135 in the X direction.
- the second side wall 132 has an extending portion 1321 extending outside in the Y direction (width direction: second direction).
- the extending portion 1321 extends in the Y direction (width direction: second direction) and the Z direction (vertical direction: axial direction) from the rear end of the second side wall 132 in the X direction (front-back direction: first direction). It is extended like this.
- the extending portion 1321 is formed from the lower end to the upper end side (in the middle of the upper end) of the second side wall 132. That is, the extending portion 1321 is continuously provided to the second side wall 132 with the upper end of the second side wall 132 protruding upward from the upper end of the extending portion 1321 (see FIGS. 6 and 7). ..
- the lower end of the third side wall 133 is located near the upper end of the extending portion 1321. By doing so, it overlaps with the second side wall 132 when viewed from the Y direction (width direction: second direction), and the extending portion 1321 of the second side wall 132 when viewed from the Z direction (vertical direction: axial direction).
- the third side wall 133 is provided on the case 120 so as to overlap with the case 120.
- the fifth side wall 135 is provided on the case 120 so as to overlap the extending portion 1321 of the second side wall 132 when viewed from the X direction (front-back direction: first direction) (see FIG. 21). ..
- the auxiliary contact terminals (first auxiliary contact terminal 612 and the second auxiliary contact terminal 622) can be suppressed from coming off from the coil bobbin 220 and rotating.
- a press-fitting portion 224 is formed in the coil bobbin 220, and the press-fitting portion 224 holds the side piece 614 of the first auxiliary contact terminal 612 and the side piece 624 of the second auxiliary contact terminal 622 by press-fitting. (See FIGS. 23 and 24).
- a pair of press-fitting portions 224 are formed at both left and right ends of the coil bobbin 220.
- the side piece 614 of the first auxiliary contact terminal 612 is press-fitted and held in the right press-fitting portion 224
- the side piece 624 of the second auxiliary contact terminal 622 is press-fitted and held in the left press-fitting portion 224. ..
- each press-fitting portion 224 includes a side portion 614 and a groove portion 2241 into which the side portion 624 is inserted.
- the groove portion 2241 has an opening 2241a into which the side piece 614 and the side piece 624 are press-fitted, and a regulation wall 2241b formed around the opening 2241a so as to face the side piece 614 and the side piece 624. It is provided with a pressure contact portion 2241c that sandwiches and presses the side portion 614 and the side portion 624.
- each of the pair of press-fitting portions 224 is provided on the upper press-fitting portion (first press-fitting portion) 225 provided on the upper flange portion 222 of the coil bobbin 220 and the lower flange portion 223 provided on the lower flange portion 223 of the coil bobbin 220. It is provided with a side press-fitting portion (second press-fitting portion) 226. Then, the side piece 614 of the first auxiliary contact terminal 612 is press-fitted and held in the upper press-fitting portion 225 and the lower press-fitting portion 226 formed on one side in the Y direction (width direction: second direction), and is press-fitted and held in the Y direction (width). The side piece 624 of the second auxiliary contact terminal 622 is press-fitted and held by the upper press-fitting portion 225 and the lower press-fitting portion 226 formed on the other side of the direction (second direction).
- the upper press-fitting portion 225 protrudes outward in the Y direction (width direction) and upward in the Z direction (vertical direction: axial direction of the coil) at the rear end portion of the upper flange body 2221 in the X direction (front-back direction). It is formed in a pair of extending portions 2222 which are continuously provided (see FIGS. 23 and 24). Then, the first side piece 6141 of the side piece 614 is press-fitted and held in one upper press-fitting portion 225, and the first side piece 6241 of the side piece 624 is press-fitted and held in the other upper press-fitting portion 225. ing.
- each of the pair of upper press-fitting portions 225 is formed with a pair of upper groove portions 2251 separated in the X direction (front-rear direction: first direction) (see FIG. 25). Further, each upper groove portion 2251 is formed so as to open only outside in the Y direction (width direction: second direction), and opens in the Y direction (width direction: second direction) of the upper groove portion 2251.
- the opening to be formed is the upper opening 2251a provided in the upper press-fitting portion 225. Then, the first side piece 6141 and the first side piece 6241 are press-fitted from the opening (upper opening 2251a) that opens only outside the Y direction (width direction: second direction) of the upper groove portion 2251. ing.
- each upper groove portion 2251 has an upper opening 2251a, an upper regulation wall 2251b formed around the upper opening 2251a so as to face the side piece 614 and the side piece 624, and a side piece 614. It also has an upper pressure contact portion 2251c that sandwiches and presses the side piece 624 (see FIGS. 25 and 26).
- press-fit pieces 6141a projecting inward in the Y direction are provided at both ends of the first side piece 6141 in the X direction (front-back direction: first direction).
- press-fit pieces 6241a projecting inward in the Y direction are provided (respectively). 6 and 7).
- the first side of the side piece 614 is inserted into one upper press-fitting portion 225.
- the part piece 6141 is press-fitted and held (see FIG. 27).
- the press-fitting piece 6141a is sandwiched and pressure-welded by the upper pressure-welding portion 2251c formed on the inner surface of the upper groove portion 2251.
- the relative movement of the side piece 614 (first auxiliary contact terminal 612) held by the upper press-fitting portion 225 with respect to the coil bobbin 220 in the Y direction (width direction: second direction) is restricted.
- the upper regulation wall 2251b formed around the upper groove portion 2251 rotates the side piece 614 (first auxiliary contact terminal 612) with respect to the coil bobbin 220 and is orthogonal to the Y direction (width direction: second direction). The movement in the direction is restricted.
- the first side piece 624 is inserted into the other upper press-fitting portion 225.
- the side piece 6241 is press-fitted and held.
- the press-fitting piece 6241a is sandwiched and pressure-welded by the upper pressure-welding portion 2251c formed on the inner surface of the upper groove portion 2251.
- the relative movement of the side piece 624 (second auxiliary contact terminal 622) held by the upper press-fitting portion 225 with respect to the coil bobbin 220 in the Y direction (width direction: second direction) is restricted.
- the upper regulation wall 2251b formed around the upper groove portion 2251 rotates the side piece 624 (second auxiliary contact terminal 622) with respect to the coil bobbin 220 and is orthogonal to the Y direction (width direction: second direction). The movement in the direction is restricted.
- each upper opening 2251a has an elongated rectangular shape in the Z direction (vertical direction: axial direction), and each upper groove portion 2251 is formed in a rectangular shape.
- An upper regulation wall 2251b is formed so as to surround the rectangular upper opening 2251a (rectangular cuboid upper groove 2251). Therefore, in the present embodiment, the upper regulation wall 2251b has a vertical wall portion facing the side portion 614 and the side portion 624 in the X direction (front-rear direction: first direction), and the side portion 614 and the side portion 624. And a horizontal wall portion facing each other in the Z direction (vertical direction: axial direction).
- the lower press-fitting portion 226 is continuously provided on the rear end side of the lower flange body 2231 in the X direction (front-rear direction: first direction) so as to project outward in the Y direction (width direction: second direction).
- Each of the pair of extension portions 2232 is formed (see FIGS. 23 and 24). Then, the second side piece 6143 of the side piece 614 is press-fitted and held in one lower press-fitting portion 226, and the second side piece 6243 of the side piece 624 is press-fitted and held in the other lower press-fitting portion 226. ing.
- each lower groove portion 2261 is formed in each of the pair of lower press-fitting portions 226 (see FIG. 25). Further, each lower groove portion 2261 is formed so as to open only outside in the Y direction (width direction: second direction), and opens in the Y direction (width direction: second direction) of the lower groove portion 2261. The opening is the lower opening 2261a provided in the lower press-fitting portion 226. Then, the second side piece 6143 and the second side piece 6243 are press-fitted from the opening (lower opening 2261a) that opens only outside the Y direction (width direction: second direction) of the lower groove portion 2261. It has become.
- each lower groove portion 2261 is sided with a lower opening 2261a and a lower regulation wall 2261b formed around the lower opening 2261a so as to face the side piece 614 and the side piece 624. It is provided with a lower pressure contact portion 2261c that sandwiches and presses the portion piece 614 and the side portion 624 (see FIGS. 25 and 28).
- a press-fit piece 6143a projecting inward in the Y direction is provided at the lower end of the second side piece 6143 on the front end side in the X direction (front-back direction).
- a press-fitting piece 6243a projecting inward in the Y direction (width direction: second direction) is provided at the lower end of the front end side in the X direction (front-back direction) of the two-side piece 6243 (FIGS. 6 and 6). 7).
- the second side piece 6143 of the side piece 614 is press-fitted into the lower press-fit portion 226 on one side. Is press-fitted and held (see FIG. 29).
- the press-fitting piece 6143a is sandwiched and pressure-welded by the lower pressure-welding portion 2261c formed on the inner surface of the lower groove portion 2261.
- the relative movement of the side piece 614 (first auxiliary contact terminal 612) held by the lower press-fitting portion 226 with respect to the coil bobbin 220 in the Y direction (width direction: second direction) is restricted.
- the lower regulation wall 2261b formed around the lower groove portion 2261 allows the side piece 614 (first auxiliary contact terminal 612) to rotate with respect to the coil bobbin 220 and is orthogonal to the Y direction (width direction: second direction). The movement in the direction of the gutter is restricted.
- the second side piece of the side piece 624 is press-fitted into the other lower press-fit portion 226.
- the 6243 is press-fitted and held.
- the press-fitting piece 6243a is sandwiched and pressure-welded by the lower pressure-welding portion 2261c formed on the inner surface of the lower groove portion 2261.
- the relative movement of the side piece 624 (second auxiliary contact terminal 622) held by the lower press-fitting portion 226 with respect to the coil bobbin 220 in the Y direction (width direction: second direction) is restricted.
- the lower regulation wall 2261b formed around the lower groove portion 2261 rotates the side piece 624 (second auxiliary contact terminal 622) with respect to the coil bobbin 220 and is orthogonal to the Y direction (width direction: second direction). The movement in the direction of the gutter is restricted.
- each lower opening 2261a has an elongated rectangular shape in the Z direction (vertical direction: axial direction), and each lower groove portion 2261 is formed in a rectangular cuboid shape.
- a lower regulation wall 2261b is formed so as to surround the rectangular lower opening 2261a (rectangular cuboid lower groove portion 2261). Therefore, in the present embodiment, the lower regulation wall 2261b has a vertical wall portion facing the side piece 614 and the side piece 624 in the X direction (front-back direction), and the side piece 614 and the side piece 624 in the Z direction. It has a horizontal wall portion facing each other in the (vertical direction: axial direction).
- the pair of press-fit pieces 6141a formed on the first side piece 6141 is press-fitted into the pair of upper groove portions 2251, and one press-fit piece formed on the second side piece 6143 is press-fitted.
- the side piece 614 is held by the press-fitting portion 224 (upper press-fitting portion 225 and lower press-fitting portion 226).
- the upper opening 2251a and the lower opening 2261a form the opening 2241a
- the upper regulating wall 2251b and the lower regulating wall 2261b form the regulating wall 2241b
- the pressure contact portion 2251c and the lower pressure contact portion 2261c form a pressure contact portion 2241c. That is, the upper groove portion 2251 and the lower groove portion 2261 form a groove portion 2241, and the upper press-fitting portion 225 and the lower press-fitting portion 226 form a press-fitting portion 224.
- the side piece 614 and the side piece 624 are arranged so as to overlap the second side wall 132 when viewed from the Y direction (width direction: second direction). Specifically, the second side piece 6143 of the side piece 614 and the second side piece 6243 of the side piece 624 overlap with the second side wall 132 when viewed from the Y direction (width direction: second direction). (See FIGS. 3 to 5).
- the side piece 614 (first auxiliary contact terminal 612) and the side piece 624 (second auxiliary contact terminal 622) move relative to the coil bobbin 220 in the Y direction (width direction: second direction).
- the amount is regulated by the second side wall 132.
- the gap S6 is formed between the second side piece 6143 and the second side wall 132, and between the second side piece 6243 and the second side wall 132. (See FIG. 18).
- the coil bobbin 220 in which the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 are press-fitted and held can be more easily placed on the base 110.
- a gap S6 (see FIG. 18) is prevented from being formed between the side piece 614 and the second side wall 132 and between the side piece 624 and the second side wall 132. It is also possible.
- the electromagnetic relay 1 according to the present embodiment has the same configuration as the electromagnetic relay 1 shown in the first embodiment.
- the electromagnetic relay 1 has a housing 10, a main fixed contact 411, and a main movable contact 421 that is connected to and separated from the main fixed contact 411, and is provided in an internal space S1 formed in the housing 10. It includes a main contact portion 40 to be arranged.
- the auxiliary contact portion 60 includes a first auxiliary contact terminal 612 provided with an auxiliary fixed contact 611 and a second auxiliary contact terminal 622 provided with an auxiliary movable contact 621.
- the coil 210 arranged in the internal space S1, the coil bobbin 220 around which the coil 210 is wound, and the coil 210 are arranged on one side (lower side) in the axial direction (Z direction) of the coil 210, and the coil 210 is connected. It is equipped with a coil terminal 250.
- the electromagnetic relay 1 also has a partition wall 130 that divides the internal space S1 into a main contact side space S2 in which the main contact portion 40 is present and an auxiliary contact side space S3 in which the auxiliary contact portion 60 is present. It is equipped with.
- the partition wall 130 extends along the Z direction (vertical direction: axial direction) on the front side (one side of the first direction intersecting the axial direction) of the coil 210 in the X direction (front-back direction).
- the first side wall 131 connected to the 110 is provided.
- partition walls 130 are arranged on both sides in the Y direction (width direction: axial direction of the coil and the second direction intersecting the first direction), and extend along the Z direction (vertical direction: axial direction). Is provided with a pair of second side walls 132 connected to the base 110.
- the main contact portion 40 and the movable portion 50 are located on the front side of the first side wall 131 in the X direction (front-rear direction), and the rear side of the X direction (front-rear direction) (the other side in the first direction intersecting the axial direction). ) Is connected to the base 110 so that the auxiliary contact portion 60 and the coil 210 are located.
- the side surface 210a of the coil 210 is surrounded by the first side wall 131 and the pair of second side walls 132.
- the partition walls 130 are arranged side by side in the Y direction (width direction: second direction), and are provided along the Z direction (vertical direction: axial direction) and along the second side wall 132. It includes a pair of third side walls 133.
- the third side wall 133 is formed inside the case 120 (see FIGS. 34 and 35). Specifically, the third side wall 133 extends from the inner side surface of the top wall 121 along the X direction (front-back direction: first direction) and the Z direction (vertical direction: axial direction). Further, the third side wall 133 is formed so that the rear end in the X direction (front-back direction: first direction) is in contact with the inner side surface of the rear wall 1222.
- the partition wall 130 is provided on the case 120 so as to project downward in the Z direction (vertical direction: axial direction) with the base 110 positioned below the case 120. It comprises 134 (see FIGS. 34 and 35). Then, the fourth side wall 134 is made to face the polaron 310 in the Z direction (vertical direction: axial direction) while extending in the Y direction (width direction: second direction).
- the fourth side wall 134 is arranged in front of the vertical wall portion (standing portion) 241 of the joint iron 240 in the X direction (front-rear direction: first direction) (on the main contact portion 40 side) and presses the contact pole 310. It has a holding wall 1341 that can be used.
- the holding wall 1341 has a protrusion 1341a formed in the center of the Y direction (width direction: second direction) and a pair of recesses formed at both ends of the protrusion 1341a in the Y direction (width direction: second direction). 1341b and (see FIGS. 34 and 35). Further, the holding wall 1341 includes a pair of holding wall extending portions 1341c formed on the outer sides of the pair of recesses 1341b in the Y direction (width direction: second direction).
- the fourth side wall 134 is arranged behind the vertical wall portion (standing portion) 241 of the joint iron 240 in the X direction (front-rear direction: first direction) (on the auxiliary contact portion 60 side), and is above the contact pole 310. It has a partition wall 1342 capable of dividing the space S5 of the above.
- the partition wall 1342 includes a recess 1342a formed in the central portion in the Y direction (width direction: second direction) and a pair of partition wall extensions formed at both ends of the recess 1342a in the Y direction (width direction: second direction). It is provided with a setting portion 1342b (see FIGS. 34 and 35).
- the partition wall 130 extends in the Z direction (vertical direction: axial direction) and is arranged outside the second side wall 132 in the Y direction (width direction: second direction). It has a fifth side wall 135 provided on the case 120.
- the fifth side wall 135 extends downward from the top wall 121 of the case 120 in the Z direction (vertical direction: axial direction). Further, also in the present embodiment, the fifth side wall 135 is integrally formed with the third side wall 133 and the partition wall extending portion 1342b.
- the second side wall 132 has an extending portion 1321 extending outside in the Y direction (width direction: second direction).
- the extending portion 1321 extends in the Y direction (width direction: second direction) and the Z direction (vertical direction: axial direction) from the rear end of the second side wall 132 in the X direction (front-back direction: first direction). It is extended to.
- the extending portion 1321 is formed from the lower end to the upper end side (in the middle of the upper end) of the second side wall 132 (see FIGS. 32 and 33).
- the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 are inserted at the rear ends of the extending portion 1321 in the base 110 in the X direction (front-back direction: first direction).
- An auxiliary terminal insertion wall 140 is formed (see FIGS. 32 and 33).
- the auxiliary terminal insertion wall 140 is connected to the rear end of the second side wall 132 in the X direction (front-rear direction: first direction) and extends to the rear in the X direction (front-rear direction: first direction).
- 141 and the opposite wall 142 which is arranged outside the Y direction (width direction: second direction) from the extension wall 141 and faces the extension wall 141 in the Y direction (width direction: second direction) and extends.
- the space surrounded by the extending wall 141, the facing wall and the pair of connecting walls 143 is an insertion space 140a that opens in the Z direction (vertical direction: axial direction).
- the press-fitting portion 224 is formed in the coil bobbin 220, and the side piece 614 of the first auxiliary contact terminal 612 and the side piece 624 of the second auxiliary contact terminal 622 are press-fitted and held by the press-fitting portion 224. (See FIGS. 37 to 39).
- a pair of press-fitting portions 224 are formed at both ends of the coil bobbin 220 in the Y direction (width direction: second direction) on the rear side in the X direction (front-back direction). Then, the side piece 614 of the first auxiliary contact terminal 612 is press-fitted and held in the press-fitting portion 224 on one side in the Y direction (width direction: second direction), and the other side in the Y direction (width direction: second direction). The side piece 624 of the second auxiliary contact terminal 622 is press-fitted and held in the press-fitting portion 224 of the above.
- the press-fitting portion 224 protrudes from the rear portion of the upper flange body 2221 in the X direction (front-back direction) to the outside in the Y direction (width direction: second direction) and to the upper side in the Z direction (vertical direction: axial direction of the coil). It is formed in a pair of extending portions 2222, which are connected to each other (see FIGS. 38 and 39).
- the side piece 614 is press-fitted and held in one press-fitting portion 224, and the side piece 624 is press-fitted and held in the other press-fitting portion 224.
- Each of the pair of press-fitting portions 224 is formed with a groove portion 2241 into which the side portion 614 and the side portion 624 are inserted. Then, the groove portion 2241 has an opening 2241a into which the side piece 614 and the side piece 624 are press-fitted, and a regulation wall 2241b formed around the opening 2241a so as to face the side piece 614 and the side piece 624. It is provided with a pressure contact portion 2241c that sandwiches and presses the side piece 614 and the side piece 624.
- each groove portion 2241 is formed so as to open on both sides in the Z direction (vertical direction: axial direction of the coil), and the groove portion 2241 is formed in the Z direction (vertical direction: axial direction of the coil).
- the openings that open on both sides of the press-fitting portion 224 are the openings 2241a provided in the press-fitting portion 224.
- the side piece 614 and the side piece 624 are inserted from the opening 2241a that opens on the upper side of the groove portion 2241 in the Z direction (vertical direction: the axial direction of the coil) and are press-fitted and held.
- the press-fitting portion 224 includes a top wall 2242 and a bottom wall 2243 located below the top wall 2242 and facing the top wall 2242 in the Z direction (vertical direction: axial direction of the coil). (See FIGS. 42 and 43). Further, the press-fitting portion 224 includes a front wall 2244 connected to the front ends of the top wall 2242 and the bottom wall 2243, a rear wall 2245 connected to the rear ends of the top wall 2242 and the bottom wall 2243, and the top wall 2242 and the bottom wall. It comprises a pair of side walls 2246, each connected to a side end of 2243.
- the groove portion 2241 is formed inside the press-fitting portion 224 so as to penetrate in the Z direction (vertical direction: axial direction of the coil) (see FIG. 47).
- the upper opening 2242a is formed in the top wall 2242 and the lower opening 2243a is formed in the bottom wall 2243, and the upper opening 2242a and the lower opening 2243a are the openings 2241a provided in the groove portion 2241.
- a lower regulation wall 2243b is formed behind the lower opening 2243a in the bottom wall 2243 in the X direction (front-back direction: first direction), and the side piece 614 and the side piece 624 are formed in the Z direction (vertical direction: first direction).
- the lower regulation wall 2243b restricts the downward movement of the side piece 614 and the side piece 624 in the Z direction (vertical direction: axial direction of the coil). (See FIGS. 47 and 48).
- the press-fitting portion 224 is provided at the rear end in the X direction (front-rear direction: first direction), and is rearward in the X direction (front-rear direction: first direction) and in the Z direction (vertical direction: coil). It is provided with a protruding wall 2247 that projects upward (in the axial direction) (see FIGS. 42 to 44).
- a space is formed inside the protruding wall 2247, and this space is formed so as to open in three directions by the upper opening 2247a, the side opening 2245a, and the lower opening 2247c. Further, the side opening 2245a is formed so that the upper end is connected to the upper opening 2247a and the lower end is connected to the upper opening 2242a formed in the top wall 2242.
- the groove portion 2241 is formed so as to open to the rear (rear wall 2245 side) in the X direction (front-back direction: first direction). That is, the side opening 2245a is formed in the rear wall 2245 (see FIGS. 43 and 44).
- the front end of the lower opening 2247c of the protruding wall 2247 in the X direction (front-back direction: first direction) is formed so as to be continuously provided with the side opening 2245a formed in the rear wall 2245.
- a space that opens in three directions is formed inside the protruding wall 2247 so as to communicate with the groove portion 2241.
- the space existing behind the groove portion 2241 in the X direction is an insertion assisting space 2241d that assists the insertion of the side piece 614 and the side piece 624 (see FIG. 47). That is, in the present embodiment, the press-fitting portion 224 communicates with the groove portion 2241 in which the side portion 614 or the side portion 624 is inserted and is press-fitted and held, and the groove portion of the side portion 614 or the side portion 624 that communicates with the groove portion 2241. It is provided with an insertion assisting space 2241d that assists the insertion into the 2241.
- the press-fitting portion 224 includes a housing recess 2241e communicated with the groove portion 2241 so as to project forward in the X direction (front-rear direction: first direction), and includes a side portion 614 and a side portion.
- the tip portion 6142b of the connecting portion 6142 and the tip portion 6242b of the connecting portion 6242 are accommodated in the accommodating recess 2241e (see FIGS. 47 and 48).
- the accommodating recess 2241e is formed so as to open only behind in the X direction (front-back direction: first direction).
- the accommodating recess 2241e is formed by the top wall 2242, the bottom wall 2243, the front wall 2244, and the pair of side walls 2246 on both sides in the Z direction (vertical direction: axial direction of the coil) and in the X direction (front-back direction: first direction). Both sides in the front and Y direction (width direction: second direction) are blocked.
- the side piece 614 of the first auxiliary contact terminal 612 and the side piece 624 of the second auxiliary contact terminal 622 are press-fitted and held in the press-fitting portion 224 having such a shape.
- the side piece 614 is separated from the upper piece 613 in the X direction (front-back direction: first direction) in front of the press-fitting portion 224 in the Z direction (vertical direction: axial direction of the coil). It has a protruding portion 6142a protruding upward (see FIGS. 40 and 41).
- the protruding portion 6142a is continuously provided at a portion located in front of the first side piece 6141 of the connecting portion 6142 extending in the X direction (front-back direction: first direction).
- the upper end of the protruding portion 6142a is positioned above the upper piece 613 (the upper end of the first side piece 6141) (see FIG. 48).
- the protrusion 6142a can be more easily moved or protruded.
- the upper end of the portion 6142a can be pushed. That is, by moving by holding the protruding portion 6142a or pushing the upper end of the protruding portion 6142a, the side piece 614 inserted into the press-fitting portion 224 is relative to the front in the X direction (front-back direction: first direction). I am trying to move it. By doing so, the side piece 614 can be press-fitted and held by the press-fitting portion 224 only by moving the projecting portion 6142a by holding it or pushing the upper end of the projecting portion 6142a.
- the connecting portion 6142 of the side portion 614 is formed so that the tip portion 6142b projects forward in the X direction (front-rear direction: first direction), and the side portion 614 is press-fitted and held by the press-fitting portion 224. At that time, the tip portion 6142b is accommodated in the accommodating recess 2241e (see FIGS. 40, 41 and 48).
- the side piece 624 is also disposed in front of the upper piece 623 in the X direction (front-back direction: first direction) and is above the Z direction (vertical direction: coil axial direction) above the press-fitting part 224. It has a protruding portion 6242a (see FIGS. 40 and 41).
- the protruding portion 6242a is also continuously provided at a portion located in front of the first side piece 6241 of the connecting portion 6242 extending in the X direction (front-back direction: first direction).
- the upper end of the protruding portion 6242a is positioned above the upper piece 623 (the upper end of the first side piece 6241) (see FIG. 48).
- the protruding portion 6242a By positioning the upper end of the protruding portion 6242a above the upper piece 623 (the upper end of the first side piece 6241), it is easier to move or project the protruding portion 6242a.
- the upper end of the portion 6242a can be pushed. That is, by moving by holding the protruding portion 6242a or pushing the upper end of the protruding portion 6242a, the side piece 624 inserted into the press-fitting portion 224 is relative to the front in the X direction (front-back direction: first direction). I am trying to move it. In this way, the side piece 624 can be more easily press-fitted and held in the press-fitting portion 224 by simply moving the protruding portion 6242a by holding it or pushing the upper end of the protruding portion 6242a.
- the connecting portion 6242 of the side piece 624 is formed so that the tip portion 6242b projects forward in the X direction (front-back direction: first direction), and the side piece 624 is press-fitted and held by the press-fitting portion 224. At that time, the tip portion 6242b is accommodated in the accommodating recess 2241e (see FIGS. 40, 41 and 48).
- the side pieces 614, 624 are inserted from above into the groove portion 2241 of the press-fitting portion 224 with the connection pieces 615 and 625 positioned below.
- the rear side of the side pieces 614, 624 in the X direction (front-back direction: first direction) is inserted into the insertion assist space 2241d.
- the side pieces 614 and 624 can be inserted into the groove portion 2241 without causing the tip portions 6142b and 6242b of the connecting portions 6142 and 6242 to interfere with the top wall 2242.
- the side pieces 614, 624 are moved forward in the X direction (front-back direction: first direction) by holding the protrusion 6242a, or the upper end of the protrusion 6242a is pressed to move the side pieces 614, 624 to X. Move it forward in the direction (front-back direction: first direction).
- the tip portions 6142b and 6242b of the connecting portions 6142 and 6242 are accommodated in the accommodating recess 2241e, and the side pieces 614 and 624 are press-fitted and held in the press-fitting portion 224.
- the front portion of the connecting portions 6142 and 6242 in the X direction (front-rear direction: first direction) is sandwiched and pressure-welded by the pressure-welding portion 2241c formed on the inner surface of the groove portion 2241.
- front-rear direction first direction
- the pressure-welding portion 2241c formed on the inner surface of the groove portion 2241.
- the regulation wall 2241b is formed so as to face the side pieces 614 and 624 in the X direction (front-back direction: first direction) and the Y direction (width direction: second direction). Therefore, the rotation of the side pieces 614 and 624 with respect to the coil bobbin 220 and the movement in the direction orthogonal to the Z direction (vertical direction: axial direction of the coil) are restricted by the regulation wall 2241b.
- the housing 10 has a protrusion 120a that protrudes in the X direction (front-back direction: first direction) and faces the press-fitting portion 224.
- the protrusion 120a is formed inside the case 120 (see FIGS. 34 and 35). Specifically, the protrusion 120a is formed so as to project forward in the X direction (front-back direction: first direction) from the rear end of the top wall 121 to the upper end of the rear wall 1222, and the pair of protrusions 120a. Are juxtaposed in a state of being separated in the Y direction (width direction: second direction).
- the pair of protrusions 120a face the upper pieces 613,623 in the X direction (front-back direction: first direction) between the pair of press-fitting portions 224 with the case 120 attached to the base 110. It is formed inside the case 120 (see FIG. 36).
- the electromagnetic relay 1 has a housing 10, a main fixed contact 411 provided in the housing 10, a main movable contact 421 provided in the housing 10 separated from the main fixed contact 411, and an auxiliary.
- the central axis extends in the vertical direction with the first auxiliary contact terminal 612 provided with the fixed contact 611 and the second auxiliary contact terminal 622 provided with the auxiliary movable contact 621 separated from the auxiliary fixed contact 611.
- a coil 210 provided in the housing 10, a coil bobbin 220 around which the coil 210 is wound, and a coil terminal 250 to which the coil 210 is connected are provided, and the main fixed contact 411 and the main movable contact 421 are coils.
- the auxiliary fixed contact 611 and the auxiliary movable contact 621 are arranged in front of the 210, and the auxiliary fixed contact 611 and the auxiliary movable contact 621 are arranged above the coil 210 in the housing 10, and the first auxiliary contact terminal 612 or the second auxiliary contact terminal 622 is a coil.
- An upper piece 613 (623) extending above the 210 and provided with an auxiliary fixed contact 611 or an auxiliary movable contact 621 and connected to the upper piece 613 (623), downward from the upper piece 613 (623).
- the side piece 614 (624) including 615 (625) is press-fitted into the upper press-fitting portion 225 (lower press-fitting portion 226) formed in the coil bobbin 220, and the upper press-fitting portion 225 (lower press-fitting portion 226).
- the first auxiliary contact terminal 612 extends in the second direction (width direction: Y direction) intersecting the axial direction and the first direction on the upper end side of the coil 210, and the auxiliary fixed contact 611 and the auxiliary movable contact.
- the upper piece 613 having the auxiliary fixed contact 611 of any one of the 621 is connected to the upper piece 613 so as to extend downward in the axial direction (vertical direction: Z direction) from the upper piece 613, and is connected to the upper piece 613. It includes a side piece 614 arranged laterally in two directions (width direction: Y direction) and a connection piece 615 connected to the side piece 614 and protruding downward (outward) from the housing 10. ..
- the second auxiliary contact terminal 622 extends in the second direction (width direction: Y direction) intersecting the axial direction and the first direction on the upper end side of the coil 210, and the auxiliary fixed contact 611 and the auxiliary movable contact.
- the upper piece 623 having the auxiliary movable contact 621 of any one of the 621 is connected to the upper piece 623 so as to extend downward in the axial direction (vertical direction: Z direction) from the upper piece 623, and is connected to the upper piece 623, and is connected to the coil 210.
- It includes a side piece 624 arranged laterally in two directions (width direction: Y direction) and a connection piece 625 connected to the side piece 624 and projecting downward (outward) from the housing 10. ..
- the side pieces 614 and 624 are press-fitted into the press-fitting portion 224 formed in the coil bobbin 220, and the press-fitting portion 224 is sided around the opening 2241a into which the side piece pieces 614 and 624 are press-fitted and the opening 2241a. It is provided with a regulation wall 2241b formed so as to face the portions 614 and 624.
- the side pieces 614 and 624 are press-fitted into the press-fitting portion 224, it is possible to prevent the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 from coming off from the coil bobbin 220. can. That is, it is possible to suppress the positional deviation of the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 with respect to the coil bobbin 220 in the press-fitting direction.
- the regulation wall 2241b is provided on the press-fitting portion 224, it is possible to prevent the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 from rotating due to the regulation wall 2241b. That is, it is possible to suppress the positional deviation of the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 in the direction orthogonal to the press-fitting direction with respect to the coil bobbin 220.
- the opening 2241a is provided in the press-fitting portion 224 so as to face the side wall of the housing 10, and the regulating wall 2241b faces the side piece 614 (624) in the vertical and horizontal directions. There is.
- the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 are relatively moved in the second direction (width direction: Y direction) with respect to the coil bobbin 220 to be press-fitted and fixed to the press-fitting portion 224. It can be configured. Therefore, the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 can be more easily press-fitted into the press-fitting portion 224.
- the press-fitting portion 224 further has a press-fitting portion 2241c that sandwiches and press-contacts the side piece 614 (624).
- the side piece 614 (624) is connected to the first side piece 6141 (6241) connected to the upper piece 613 (623) and the connection piece 615 (625).
- the second side piece 6143 (6243) and the connecting part 6142 (6242) connecting the first side piece 6141 (6241) and the second side piece 6143 (6243) are included, and are viewed from above.
- the first side piece 6141 (6241) and the second side piece 6143 (6243) are provided so as not to overlap each other.
- the length of the straight portion of the side piece 614 (624) can be made shorter than that of the linear side piece, so that the terminal for the first auxiliary contact and the terminal for the second auxiliary contact 612 can be used. It is possible to prevent the side piece 614 (624) from being deformed when the terminal 622 is press-fitted into the press-fitting portion 224.
- the press-fitting portion 224 includes an upper press-fitting portion 225 and a lower press-fitting portion 226, the upper press-fitting portion 225 is provided on the upper flange portion 222 of the coil bobbin 220, and the lower press-fitting portion 226 is provided. It is provided on the lower flange portion 223 of the coil bobbin 220.
- the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 can be more firmly attached to the coil bobbin 220, and the first auxiliary contact terminal 612 and the second auxiliary contact can be attached. It is possible to prevent the terminal 622 from coming off the coil bobbin 220. Further, if the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 are press-fitted and fixed by the upper press-fitting portion 225 and the lower press-fitting portion 226, the first auxiliary contact terminal 612 and the second auxiliary contact are used. It is possible to prevent the terminal 622 from rotating.
- the opening 2241a is opened upward, and the regulation wall 2241b faces the side piece 614 (615) in the front-rear direction and the left-right direction.
- the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 are relatively moved in the axial direction (vertical direction: Z direction) with respect to the coil bobbin 220 to be press-fitted and fixed to the press-fitting portion 224. Therefore, the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 can be more easily press-fitted into the press-fitting portion 224.
- the press-fitting portion 224 has a press-fitting portion 2241c that sandwiches and press-contacts the side piece 614 (624).
- the press-fitting portion 224 has a lower regulation wall 2243b that faces the side piece 614 (624) in the vertical direction.
- the press-fitting portion 224 has a side opening 2245a that opens upward and faces the side piece 614 (624).
- a gap can be formed on the first direction (front-back direction: X direction) side of the side pieces 614 and 624 of the press-fitting portion 224. Then, by forming such a gap, the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 inserted in the press-fitting portion 224 are placed in the first direction (front-back direction: X) with respect to the coil bobbin 220. It can be configured to be relatively moved in the direction) and fixed to the press-fitting portion 224 by press-fitting.
- the axial direction (vertical direction:) of the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622: Positioning in the Z direction) can be performed more accurately.
- the electromagnetic relay 1 according to the tenth aspect has a protrusion 120a that protrudes downward from the lower surface of the upper portion of the housing 10 and faces the upper piece 613 (623).
- the side piece 614 (624) is connected to the first side piece 6141 (6241) connected to the upper piece 613 (623) and the connection piece 615 (625).
- the second side piece 6143 (6243) and the connecting part 6142 (6242) connecting the first side piece 6141 (6241) and the second side piece 6143 (6243) are included, and are viewed from above.
- the first side piece 6141 (6241) and the second side piece 6143 (6243) are connected to each other so that the first side piece 6141 (6241) and the second side piece 6143 (6243) do not overlap. It is linked by 6242).
- the length of the straight portion of the side pieces 614 and 624 can be made shorter than that of the linear side piece, so that the terminal for the first auxiliary contact and the terminal for the second auxiliary contact are 612. It is possible to prevent the side pieces 614 and 624 from being deformed when the 622 is press-fitted into the press-fitting portion 224.
- the side piece 614 (624) is disposed apart from the upper piece 613 (623) and has a protruding portion 6142a (6242a) protruding upward from the press-fitting portion 224. is doing.
- the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 can be press-fitted into the press-fitting portion 224. Therefore, when the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 are press-fitted into the press-fitting portion 224, it is possible to prevent the upper pieces 613 and 623 from being deformed. That is, the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 can be press-fitted into the press-fitting portion 224 while suppressing the deformation of the upper pieces 613 and 623.
- the first side wall 131 which is provided in the housing 10 and is provided so as to project upward from the bottom of the housing 10, is provided in the housing 10 and is provided from the bottom of the housing. It includes a second side wall 132 that projects upward and is provided so as to connect to the first side wall 131.
- the first side wall 131 is located between the coil 210 and the main fixed contact 411, and at least a part of the side surface of the coil 210 is surrounded by the first side wall 131 and the second side wall 132, and is viewed from the side.
- the side piece 614 (624) is arranged so as to overlap the second side wall 132.
- the second side wall 132 regulates the misalignment of the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 (first auxiliary contact terminal 612 and second auxiliary contact terminal 622).
- the amount of misalignment in the second direction can be reduced).
- the auxiliary contact portion 60 is turned off when the main contact portion 40 is on, but when the main contact portion 40 is in the on state, the auxiliary contact portion 60 is turned off. It is also possible to turn on the auxiliary contact portion 60 as well. At this time, the main contact portion 40 and the auxiliary contact portion 60 can be used as so-called normally closed contact portions whose contacts are turned on in the initial state, and the main contact portion 40 and the auxiliary contact portion 60 can be contacted in the initial state. It is also possible to use a so-called normally open type contact portion that is turned off.
- both the first auxiliary contact terminal 612 and the second auxiliary contact terminal 622 have an upper piece 613,623, a side piece 614, 624, and a connection piece 615,625.
- the provisions are illustrated, it is also possible that only one of the terminals is provided with the upper piece, the side piece, and the connection piece.
- coil bobbin auxiliary contact terminals, and other detailed specifications (shape, size, layout, etc.) can be changed as appropriate.
- Electromagnetic relay 10 Housing 120a Protrusion 131 First side wall 132 Second side wall 210 Coil 210a Side side 220 Coil bobbin 222 Upper flange part 223 Lower flange part 224 Press-fitting part 2241a Opening 2241b Restriction wall 2241c Press-fitting part 2242a Upper opening (opening) 2243a Lower opening (opening) 2243b Lower regulation wall (rear side of lower opening) 2245a Side opening 2247a Upper opening 2247c Lower opening 225 Upper press-fitting part (first press-fitting part) 2251a Upper opening 2251b Upper regulation wall 2251c Upper pressure welding part (pressure welding part) 226 Lower press-fitting part (second press-fitting part) 2261a Lower opening 2261b Lower regulation wall 2261c Lower pressure welding part (pressure welding part) 250 Coil terminal 40 Main contact part 411 Main fixed contact 413 Connection piece 421 Main movable contact 60 Auxiliary contact part 611 Auxiliary fixed contact 612 1st auxiliary contact terminal 613 Upper
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Abstract
Description
本実施形態にかかる電磁継電器1は、図1および図2に示すように、樹脂材料によって中空箱型に形成されたハウジング10を備えている。本実施形態では、ハウジング10は、ベース110と、ベース110を覆うケース120と、を有しており、実質的に直方体形状の外側表面を有している。また、ケース120をベース110に取り付けた状態で、ハウジング10内に内部空間S1が形成されるようになっている。なお、ハウジング10の外側表面の形状は、直方体形状に限られるものではなく、いかなる形状をしていてもよい。
本実施形態にかかる電磁継電器1は、図30~図33に示すように、上記第1実施形態で示した電磁継電器1と同様の構成をしている。
以下では、上述した実施形態およびその変形例で示した電磁継電器の特徴的構成およびそれにより得られる効果を説明する。
以上、本開示にかかる電磁継電器の内容を説明したが、これらの記載に限定されるものではなく、種々の変形及び改良が可能であることは、当業者には自明である。
10 ハウジング
120a 突起部
131 第1側壁
132 第2側壁
210 コイル
210a 側面
220 コイルボビン
222 上側フランジ部
223 下側フランジ部
224 圧入部
2241a 開口
2241b 規制壁
2241c 圧接部
2242a 上部開口(開口)
2243a 下部開口(開口)
2243b 下部規制壁(下部開口の後側)
2245a 側部開口
2247a 上部開口
2247c 下部開口
225 上側圧入部(第1圧入部)
2251a 上側開口
2251b 上側規制壁
2251c 上側圧接部(圧接部)
226 下側圧入部(第2圧入部)
2261a 下側開口
2261b 下側規制壁
2261c 下側圧接部(圧接部)
250 コイル端子
40 主接点部
411 主固定接点
413 接続片
421 主可動接点
60 補助接点部
611 補助固定接点
612 第1補助接点用端子
613 上部片
614 側部片
6141 第1側部片
6142 連結部
6142a 突出部
6143 第2側部片
615 接続片
620 補助可動接点部
621 補助可動接点
622 第2補助接点用端子
623 上部片
624 側部片
6241 第1側部片
6242 連結部
6242a 突出部
6243 第2側部片
625 接続片
S1 内部空間(ケース10内の空間)
X 前後方向(軸方向と交差する方向:第1方向)
Y 幅方向(軸方向および第1方向と交差する方向:第2方向)
Z 上下方向(コイルの軸方向)
Claims (13)
- ハウジングと、
前記ハウジング内に設けられた主固定接点と、
前記主固定接点に接離し、前記ハウジング内に設けられた主可動接点と、
補助固定接点が設けられた第1補助接点用端子と、
前記補助固定接点に接離し、補助可動接点が設けられた第2補助接点用端子と、
中心軸が上下方向に延在するように前記ハウジング内に設けられたコイルと、
前記コイルが巻回されるコイルボビンと、
前記コイルが接続されるコイル端子と、
を備え、
前記主固定接点および前記主可動接点は、前記コイルの前方に配置され、
前記補助固定接点および前記補助可動接点が、ハウジング内における前記コイルの上方に配置されており、
前記第1補助接点用端子または前記第2補助接点用端子は、
前記コイルの上方で延在し、前記補助固定接点または前記補助可動接点が設けられた上部片と、
前記上部片に連結され、前記上部片から下方に向かって延在し、前記コイルの側方に配置される側部片と、
前記側部片に連結され、前記ハウジングから外方に向かって突出するように設けられた接続片と、
を含み、
前記側部片が、前記コイルボビンに形成された圧入部に圧入されており、
前記圧入部は、前記側部片が圧入される開口と、前記開口の周囲に前記側部片と対向するように形成された規制壁と、を有する、
電磁継電器。 - 前記開口が前記ハウジングの側壁に対向するよう前記圧入部に設けられ、
前記規制壁が上下方向および左右方向に前記側部片と対向している、
請求項1に記載の電磁継電器。 - 前記圧入部は、前記側部片を挟み圧接する圧接部をさらに有している、
請求項1または請求項2に記載の電磁継電器。 - 前記側部片は、
前記上部片に連結される第1側部片と、
前記接続片に連結される第2側部片と、
前記第1側部片と前記第2側部片とを連結する連結部と、
を含み、
上から見て、前記第1側部片と前記第2側部片とが重ならないように設けられている、
請求項1~3のうちいずれか1項に記載の電磁継電器。 - 前記圧入部は、第1圧入部と第2圧入部とを含み、
前記第1圧入部は前記コイルボビンの上側フランジ部に設けられ、 前記第2圧入部は前記コイルボビンの下側フランジ部に設けられている、
請求項1~4のうちいずれか1項に記載の電磁継電器。 - 前記開口が上方に開口しており、
前記規制壁が前記前後方向および左右方向に前記側部片と対向している、
請求項1に記載の電磁継電器。 - 前記圧入部は、前記側部片を挟み圧接する圧接部をさらに有している、
請求項6に記載の電磁継電器。 - 前記圧入部は、前記側部片と上下方向に対向する下部規制壁を更に有している、
請求項6または請求項7に記載の電磁継電器。 - 前記圧入部は、前記上方に開口し前記側部片と対向する側部開口を更に有している、
請求項6~8のうちいずれか1項に記載の電磁継電器。 - 前記ハウジングの上部の下面から下方に向かって突出し、前記上部片と対向する突起部を有している、
請求項6~9のうちいずれか1項に記載の電磁継電器。 - 前記側部片は、
前記上部片に連結される第1側部片と、
前記接続片に連結される第2側部片と、
前記第1側部片と第2側部片とを連結する連結部と、
を含み、
上から見て、前記第1側部片と前記第2側部片とが重ならないように前記第1側部片と前記第2側部片は前記連結部によって連結されている、
請求項6~10のうちいずれか1項に記載の電磁継電器。 - 前記側部片は、前記上部片とは離間配置され、前記圧入部から上方に向かって突出する突出部を有している、
請求項6~11のうちいずれか1項に記載の電磁継電器。 - 前記ハウジング内に設けられ、前記ハウジングの底部から上方に向かって突出するように設けられた第1側壁と、
前記ハウジング内に設けられ、前記ハウジングの前記底部から上方に向かって突出し、前記第1側壁に連結するように設けられた第2側壁と、
を更に備え、
前記第1側壁は、前記コイルと前記主固定接点との間に位置し、
前記第1側壁と前記第2側壁とで前記コイルの側面の少なくとも一部が囲まれており、
側方から見て、前記側部片は、前記第2側壁と重なるように配置されている、
請求項1~12のうちいずれか1項に記載の電磁継電器。
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EP21917626.0A EP4276876A4 (en) | 2021-01-06 | 2021-12-09 | ELECTROMAGNETIC RELAY |
US18/259,593 US20240062979A1 (en) | 2021-01-06 | 2021-12-09 | Electromagnetic relay |
CN202180088059.9A CN116711045A (zh) | 2021-01-06 | 2021-12-09 | 电磁继电器 |
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JP6341361B2 (ja) * | 2013-12-13 | 2018-06-13 | パナソニックIpマネジメント株式会社 | 電磁リレー |
CN107039212B (zh) * | 2017-01-13 | 2019-04-02 | 厦门赛特勒继电器有限公司 | 一种电磁继电器 |
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JP2022106097A (ja) | 2022-07-19 |
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US20240062979A1 (en) | 2024-02-22 |
EP4276876A4 (en) | 2024-06-05 |
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