WO2014142245A1 - 電子部品の組付構造及び電気接続箱 - Google Patents
電子部品の組付構造及び電気接続箱 Download PDFInfo
- Publication number
- WO2014142245A1 WO2014142245A1 PCT/JP2014/056696 JP2014056696W WO2014142245A1 WO 2014142245 A1 WO2014142245 A1 WO 2014142245A1 JP 2014056696 W JP2014056696 W JP 2014056696W WO 2014142245 A1 WO2014142245 A1 WO 2014142245A1
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- WIPO (PCT)
- Prior art keywords
- relay
- electronic component
- fitting
- main body
- terminal
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/086—Assembled boxes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/74—Devices having four or more poles, e.g. holders for compact fluorescent lamps
- H01R33/76—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
- H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/223—Insulating enclosures for terminals
Definitions
- the present invention relates to an electronic component, an electric wire terminal fitting, an electronic component assembly structure for assembling the housing members for accommodating these components, and an electrical junction box provided with the assembly structure.
- Patent Document 1 discloses a configuration of an electrical connection box (junction box) including a relay module in order to control connection between a power supply device and an electrical component.
- FIG. 19 shows an example of a configuration of a conventional relay module.
- the relay 90 includes a relay body 91 formed in a rectangular parallelepiped shape, and projects straight from one surface (bottom surface) of the relay body 91.
- a plurality of plate-like relay terminals 92 are configured.
- this type of relay 90 is assembled to a resin holding member 95 that holds a terminal fitting 94 to which an electric wire 93 is connected to form a relay module, and this relay module is assembled to an electrical junction box.
- a spring portion 96 for fitting the relay terminal 92 is formed in the terminal fitting 94, and the relay 90 is held by the holding member 95 by inserting the leading end portions of the plurality of relay terminals 92 into the spring portions 96 and fitting them.
- FIG. 19 is basically a longitudinal sectional view of a conventional relay module, but only the relay body 91 is shown in a side view.
- the relay terminal 92 protrudes from the bottom surface 91 a of the relay main body 91. For this reason, when the relay 90 is assembled to the holding member 95, the relay terminal 92 needs to be positioned toward the terminal fitting 94, and the distal end portion of the relay terminal 92 needs to be inserted into the spring portion 96 and fitted. However, since the center of gravity of the relay 90 is in the relay main body 91, the relay 90 is easy to tilt, and the terminal fitting 94 into which the relay terminal 92 is inserted is smaller than the relay 90, so the relay terminal 92 is the terminal fitting 94. It is difficult to position the relay 90 so as to face the proper insertion direction.
- the relay terminal 92 when the relay terminal 92 is fitted into the spring portion 96 of the terminal fitting 94, the relay terminal 92 is hidden in the relay main body 91 and becomes a blind spot. Cannot be confirmed visually. Thus, workability at the time of assembling the relay 90 to the holding member 95 is poor, and improvement thereof is desired.
- the present invention has been made based on this, and a problem to be solved is to improve workability when assembling electronic components in an electronic component module.
- an electronic component assembly structure includes an electronic component, a terminal fitting that fits the electronic component, and a housing member that accommodates the electronic component and the terminal fitting.
- the component includes a main body portion having a plurality of surface portions, a terminal portion that is provided on the main body portion and is fitted to the terminal fitting, and the housing member guides and accommodates the main body portion, and the terminal fitting.
- the terminal portion has a base end portion and a fitting portion that extends from the protruding tip of the base end portion and is fitted to the terminal fitting.
- the base portion extends from the rear side surface portion of the main body portion with respect to the accommodation direction in the first storage chamber without projecting the distal end, and is spaced from the side surface portion of the main body portion along the side surface portion. It extends from the protruding tip of the part, and the electronic component, terminal fitting, and housing member are assembled to each other To.
- the main body portion when the electronic component is assembled to the housing member, the main body portion can be inserted and accommodated in the first housing chamber before the fitting portion of the terminal portion is fitted to the terminal fitting.
- the main-body part since the main-body part can be guided to the 1st storage chamber of a storage member, it can prevent that an electronic component inclines with respect to a storage member. For this reason, an electronic component and an accommodating member can be assembled
- the main body portion when the electronic component is assembled to the housing member, first, the main body portion may be inserted and accommodated in the first housing chamber. Therefore, the insertion target is large, and the electronic component can be easily assembled to the housing member.
- the housing member may be configured to have an interference portion that interferes with the electronic component when the electronic component is assembled.
- the interference unit includes at least one of a first interference unit and a second interference unit, and the first interference unit interferes with the main body when the electronic component is tilted so as to regulate the tilt of the electronic component.
- the second interference portion can be provided in the second storage chamber so as to interfere with the fitting portion and restrict the inclination of the electronic component when the electronic component is tilted.
- the interference member is provided with the interference portion, so that even when the electronic component is tilted when assembled to the storage member, the electronic component is caused to interfere with the interference portion to thereby tilt the electronic component.
- the first storage chamber may have a bottom portion and a wall portion standing from the bottom portion and guiding the main body portion, and a through hole with an opening facing the outside may be formed in the bottom portion.
- the base end portion of the terminal portion protrudes from at least one surface portion of the main body portion, and the fitting portion is located on the back side of the main body portion with respect to the accommodation direction in the first accommodation chamber.
- the electronic component is assembled to the housing member because it extends from the protruding tip of the base end portion along the side surface at a distance from the side surface portion of the main body without protruding the protruding tip from the surface portion.
- the upper surface of the main body portion and the base end portion of the terminal portion can be exposed to the outside. Therefore, the heat generated from the electronic component can be released to the outside from the base end portion of the terminal portion, the upper surface of the main body portion, or the like. Can escape to the outside. Thereby, it is possible to more effectively prevent heat generated in the main body from entering the first storage chamber, and it is possible to reliably reduce the influence of the heat on the relay operation.
- FIG. 1 is a perspective view showing an entire configuration of a relay module in which a relay, a terminal fitting, and a housing member are assembled to each other.
- FIG. 2 is a plan view of the relay module shown in FIG. 1 (one of the two relays is not shown).
- FIG. 3A is a diagram showing a longitudinal section of the relay module from the direction of arrow A10 in FIG. 1, and is a diagram showing a mode when the relay is accommodated in the accommodating member.
- FIG. 3B is a diagram showing a longitudinal section of the relay module from the direction of arrow A10 in FIG. 1, and is a diagram showing an aspect after the relay is accommodated in the accommodating member.
- FIG. 4 is a perspective view showing the configuration of the relay according to the present embodiment.
- FIG. 4 is a perspective view showing the configuration of the relay according to the present embodiment.
- FIG. 5 is a perspective view showing the configuration of the terminal fitting according to the present embodiment.
- FIG. 6 is a perspective view showing another configuration of the terminal fitting according to the present embodiment.
- FIG. 7 is a cross-sectional view illustrating an example of a state in which the main body of the relay is caused to interfere with the interference unit.
- FIG. 8 is a perspective view showing the configuration of the relay according to the first modification.
- FIG. 9 is a perspective view illustrating a configuration of a relay according to a second modification.
- FIG. 10 is a perspective view illustrating a configuration of a relay according to a third modification.
- FIG. 11 is a perspective view illustrating a configuration of a relay according to a fourth modification.
- FIG. 12 is a perspective view illustrating a configuration of a relay according to a fifth modification.
- FIG. 13 is a perspective view illustrating a configuration of a relay according to a sixth modification.
- FIG. 14 is a perspective view illustrating a configuration of a relay according to a seventh modification.
- FIG. 15 is a perspective view illustrating a configuration of a relay according to an eighth modification.
- FIG. 16 is a perspective view illustrating a configuration of a relay according to a ninth modification.
- FIG. 17 is a perspective view illustrating a configuration of a relay according to a tenth modification.
- FIG. 18 is a perspective view showing a configuration of a relay according to the eleventh modification.
- FIG. 19 is a longitudinal sectional view of a conventional relay module.
- FIG. 20A is an external perspective view of a relay in which a base end portion of a lead terminal is surrounded by a resin.
- 20B is a side view of the relay shown in FIG. 20A.
- the electronic component is not limited to a relay, and other electronic components having the same configuration as the relay described below, for example, a fuse or a board. It is also possible to use modularized parts.
- the application of the relay module of the present embodiment is not particularly limited. For example, it can be assumed that the relay module is used for devices for controlling the connection state between a power supply device and an electrical component in a vehicle such as an automobile. This type of relay module only needs to be configured as one of the components of the electrical junction box, but can be handled as a single unit rather than as a component of the electrical junction box. Can be secured.
- FIG. 1 is an overall configuration diagram of a relay module 1 in which a relay 2, a terminal fitting 3, and a housing member 4 are assembled to each other.
- FIG. 2 is a plan view of the relay module 1 (one of the two relays 2 is not shown).
- 3A and 3B show a longitudinal section of the relay module 1 from the direction of the arrow A10 in FIG. 1, and
- FIG. 3A is a diagram showing a mode when the relay 2 is accommodated in the accommodating member 4.
- FIG. 3B is a diagram illustrating a mode after the relay 2 is accommodated in the accommodating member 4.
- the up-down direction the direction indicated by arrow A12 is referred to as the left-right direction
- the direction indicated by arrow A13 is referred to as the front-rear direction (hereinafter the same applies to each figure other than FIG. ).
- the upward direction in FIG. 1 is specified as upward (upper side)
- the downward direction is specified as downward (downward).
- these up-down directions, left-right directions, and front-rear directions do not necessarily coincide with the respective directions (for example, the up-down direction, left-right directions, and front-rear directions of the automobile) in a state where the relay module 1 is actually mounted.
- 3A and 3B illustration of various components housed in the relay body 24 is omitted (the same applies to FIG. 7).
- the relay module 1 includes a relay 2, a terminal fitting 3 (3a to 3d) fitted to the relay 2, and a housing member 4 that houses the relay 2 and the terminal fitting 3. Yes.
- the relay 2 includes a main body portion (hereinafter referred to as a relay main body) 21 having a plurality of surface portions, and a terminal portion (hereinafter referred to as a tab) 22 provided on the relay main body 21 and fitted to the terminal fitting 3. Yes.
- a relay main body 21 having a plurality of surface portions
- a terminal portion hereinafter referred to as a tab 22 provided on the relay main body 21 and fitted to the terminal fitting 3. Yes.
- the number of relays configuring one relay module is not particularly limited, and may be configured by only one relay or may be configured by three or more relays.
- a relay module When a relay module is constituted by a plurality of relays, it may be constituted by the same type of relay 2 as shown in FIG. 1, or different types of relays (for example, a relay 2a as shown in FIGS. 8 to 18). 2k) may be mixed.
- FIG. 4 shows an example of the relay 2 according to the present embodiment.
- the relay 2 has a configuration in which a relay main body 21 is formed in a substantially rectangular parallelepiped shape from a resin or the like, and four metal tabs 22 having conductivity are provided in a plate shape from the relay main body 21.
- the relay main body 21 includes a surface portion (hereinafter, referred to as an upper surface 21a and a bottom surface 21b) facing in the vertical direction, a surface portion (referred to as the left side surface 21c and the right side surface 21d) facing in the left-right direction, and a surface portion facing in the front-rear direction (the same) It is a hexahedron having a front surface 21e and a back surface 21f.
- the relay main body 21 has a substantially rectangular parallelepiped shape in which the left-right direction is long, and is positioned so that the four sides of the left side surface 21c and the right side surface 21d, the front surface 21e, and the back surface 21f are side portions.
- the tab 22 includes a base end portion 24 (24a to 24d) protruding from at least one surface portion of the relay main body 21, and a fitting portion 25 (25a) extending from the protruding front end of the base end portion 24 and fitted to the terminal fitting 3. 25d).
- the number, width, and thickness of the tabs 22 can be arbitrarily set. For example, when the relay 2 has a plurality of tabs 22, all the tabs 22 may have the same width and the same thickness, or the tabs 22 may have different widths and thicknesses.
- the base end portions 24a and 24b of the two tabs 22a and 22b protrude from the vicinity of the upper end portion of the left side surface 21c, and the base end portions 24c of the remaining two tabs 22c and 22d.
- 24d shows a configuration of the tab 22 protruding from the vicinity of the upper end portion of the right side surface 21d as an example. In this case, all of the four tabs 22a to 22d have the same width (dimension with respect to the front-rear direction).
- the two tabs 22a and 22b on the left side surface 21c have base end portions 24a and 24b projecting at a predetermined interval in the front-rear direction, and the two tabs 22c and 22d on the right side surface 21d
- the parts 24c and 24d protrude in the front-rear direction at the same interval as the base end parts 24a and 24b.
- all of the four base end portions 24a to 24d protrude from the same height (the same position as the dimension from the bottom surface 21b with respect to the vertical direction) with the same length (the dimension with respect to the left and right direction).
- these base end portions 24 can be protruded from different heights or protruded at different lengths.
- the fitting portion 25 protrudes the extending tip from the rear surface portion (bottom surface 21b) of the relay main body 21 with respect to the housing direction in the housing member 4 (corresponding to downward in the vertical direction in the present embodiment). Instead, it extends from the protruding tip of the base end portion 24 along the side surface with a space from the side surface of the relay main body 21.
- the “surface portion on the back side of the relay main body 21 with respect to the accommodation direction in the housing member 4” typically means the most when the relay 2 is assembled to the housing member 4 as shown in FIG. 3A or the like. In other words, it can also be referred to as a surface portion of the relay body 21 protruding toward the housing member 4 (first housing chamber 41).
- the tab 22 has a base end portion 24 such that the extending dimension of the fitting part 25 in the vertical direction is smaller than the height of the relay body 21 (the dimension in the vertical direction).
- the extension length from (the length from the bent part) is set.
- the four fitting portions 25a to 25d are set to have the same extension dimension, and the positions of the extension tips of these fitting portions 25 are all the same height (from the bottom surface 21b with respect to the vertical direction). Dimension is the same position).
- these fitting portions 25 are configured to extend from the base end portion 24 with the positions of the extended distal ends being different from each other in the vertical direction, that is, to have a configuration in which the positions of the extended distal ends are at different heights. It is also possible.
- the fitting portion 25 is bent at a substantially right angle and downward from the protruding tip of the base end portion 24, and is a pair of side portions (left side surface 21c) positioned in the longitudinal direction (left and right direction) of the relay body 21. And the right side surface 21d).
- FIG. 5 shows an example of the configuration of the terminal fitting 3 according to the present embodiment.
- the terminal fitting 3 is an interface member connected to the terminal portion 51 of the electric wire 5 in order to electrically connect the electric wire 5 to the relay 2.
- the terminal fitting 3 is formed by processing a conductive metal plate material, and peels off the female connection portion 31 into which the fitting portion 25 of the tab 22 is fitted and the insulating coating 52 of the terminal portion 51 of the electric wire 5.
- a pair of core wire crimping pieces 32 for caulking the exposed core wire 53 and a pair of external crimping pieces 33 for caulking the distal end portion of the insulating coating 52 of the electric wire 5 are provided.
- the connection portion 31 includes a flat plate portion 34 that supports the fitting portion 25 of the tab 22 to be fitted, and a spring portion 35 that presses the fitting portion 25.
- the fitting portion 25 that is pressed to be fitted is fitted between the flat plate portion 34 and the spring portion 35.
- the spring portion 35 is formed in a pair of convex curved shapes in which both ends in the front-rear direction of the flat plate portion 34 are erected and the tip portion thereof is curved toward the vicinity of the central portion in the front-rear direction of the flat plate portion 34. .
- the spring portion 35 is elastically deformed in a direction away from the flat plate portion 34 to apply a pressing force (elastic restoring force) to the fitting portion 25 to fit the fitting portion 25.
- the configuration is compatible.
- connection portion 31 has a tapered surface in which the upper end surface of the spring portion 35 is gently inclined downward from the portion where the spring portion 35 protrudes most with respect to the flat plate portion 34 toward the flat plate portion 34.
- FIG. 5 shows an example of a terminal fitting 3 of a type in which the connecting portion 31 is a so-called faston type, but the terminal fitting 3 is not limited to this type.
- the connecting portion 310 has a substantially cylindrical configuration, a flat spring portion is provided inside the cylindrical portion 360, and the fitting portion 25 of the tab 22 is connected to the cylindrical portion 360 by the spring portion. It may be configured such that the inner wall can be pressed and fitted.
- the same components as those of the terminal fitting 3 (FIG. 5) are denoted by the same reference numerals in the drawing. 5 and 6 show an example in which the terminal fittings 3 and 300 are connected to the terminal portion 51 of the electric wire 5, but the terminal fittings are connected to a connection board or connector. It is also possible to do.
- the housing member 4 is a resin housing for housing and holding the relay 2 and the terminal fitting 3, and houses and holds the first housing chamber 41 for guiding and housing the relay body 21 and the terminal fitting 3.
- the second storage chamber 42 is provided.
- the housing member 4 is handled as a single member separate from the electrical junction box. For this reason, in order to attach the housing member 4 to the frame body of the electrical connection box, a locking portion 40 that can be engaged with a locked portion (for example, a locking groove) provided on the frame body projects. It is installed. By engaging the locking portion 40 with the locked portion, the housing member 4 can be locked and attached to the frame of the electrical junction box.
- a locked portion for example, a locking groove
- the housing member as a part of the frame of the electrical connection box and handle it integrally with the electrical connection box so as not to be separated.
- the number of the relays 2 and the terminal fittings 3 which the accommodating member 4 accommodates is not specifically limited.
- the structure by which the two relays 2 are accommodated in the one accommodating member 4 is assumed as an example.
- the storage member 4 has a configuration including two sets of relay storage spaces including one first storage chamber 41 and two second storage chambers 42. Since the relay 2 is provided with four tabs 22, the eight terminal fittings 3 are accommodated in one accommodating member 4.
- each of these tabs 22 is provided on each of the left side surface 21c and the right side surface 21d of the relay main body 21, a pair of second storage chambers 42 are provided in the storage member 4 with the first storage chamber 41 interposed therebetween. Two terminal fittings 3 are housed and held in each second housing chamber 42 in an opposing manner.
- the first storage chamber 41 has a bottom portion 43 and a wall portion 44 that stands from the bottom portion 43 and guides the relay main body 21.
- the wall 44 is erected in a frame shape from the bottom 43 so as to surround the side from four sides along the side (left side 21c, right side 21d, front 21e, back 21f) of the relay body 21.
- the main body 21 is guided and accommodated in the first accommodation chamber 41.
- a concave space surrounded by the bottom portion 43 and the wall portion 44 and opened upward to the outside is formed in the first storage chamber 41 as a storage space for the relay main body 21.
- the first storage chamber 41 is formed in a substantially rectangular parallelepiped shape that is slightly larger than the relay main body 21 so that the relay main body 21 guided by the wall portion 44 can be smoothly stored.
- a locking groove 44a for engaging the protrusion 23 provided on the front surface 21e is formed on the wall portion 44 that is erected so as to be able to face the front surface 21e of the relay body 21. ing.
- the protrusion 23 is engaged with the engaging groove 44 a, and the relay main body 21 can be engaged with the first accommodating chamber 41. That is, the engagement force between the relay 2 and the housing member 4 due to the fitting between the tab 22 and the terminal fitting 3 can be complemented by the engagement between the protrusion 23 and the locking groove 44a. If complementation is unnecessary, the protrusion 23 and the locking groove 44a may not be provided.
- the bottom 43 may be provided with reinforcing ribs 43a that protrude downward.
- the second storage chamber 42 is disposed outside the wall portion 44 of the first storage chamber 41, and is surrounded by a rectangular tube-shaped frame formed by the wall portion 44 and the frame portion 45 of the storage member 4. And the lower part has comprised the rectangular parallelepiped space open
- the second storage chamber 42 is provided with a locking piece (hereinafter referred to as a lance) 46 for holding the terminal fitting 3.
- the lance 46 is integrally formed in a cantilever shape by extending from the wall portion 44 or the frame portion 45 toward the second storage chamber 42 with the same resin as the storage member 4.
- the lance 46 a located on the left side extends from the wall portion 44
- the lance 46 b located on the right side extends from the frame portion 45.
- the lance 46 forms a so-called spring mechanism and presses and locks the lower edge of the spring portion 35 of the terminal fitting 3 with a restoring force to return from the elastic deformation.
- the terminal fitting 3 is held in the second storage chamber 42 while preventing the terminal fitting 3 from coming off.
- the relay 2 is assembled to the housing member 4 in a state where the terminal fitting 3 is held in the second housing chamber 42.
- the fitting portion 25 is spaced from the side surface portions (the left side surface 21c and the right side surface 21d) of the relay main body 21 without projecting the extending tip from the bottom surface 21b of the relay main body 21. And extending from the projecting tip of the base end 24 along the side surface. That is, when the relay 2 is set to face the first storage chamber 41 and the second storage chamber 42 above the storage member 4 in order to assemble the relay 2 to the storage member 4, The bottom surface 21 b protrudes toward the housing member 4 rather than the fitting portion 25.
- the relay body 21 is inserted into the first housing chamber 41 before the fitting portion 25 of the tab 22 is fitted to the connection portion 31 of the terminal fitting 3. (The state shown in FIG. 3A).
- the relay main body 21 can be guided along the wall 44 of the housing member 4, the relay 2 can be prevented from being inclined with respect to the housing member 4.
- the relay 2 can be positioned in an appropriate insertion posture with respect to the housing member 4, and the tab 22 can be directed in the proper insertion direction into the terminal fitting 3.
- the fitting portion 25 can be smoothly fitted to the connection portion 31 without being displaced from the proper insertion direction and the tab 22 is inserted into the terminal fitting 3, and the spring portion 35 is damaged and the fitting force is increased. It is possible to effectively avoid such a problem that it is lowered.
- the relay main body 21 may be inserted into the first housing chamber 41 and housed, so that the insertion destination target is large and the relay 2 can be easily assembled to the housing member 4. it can.
- operativity at the time of assembling the relay 2 to the accommodating member 4 can be aimed at.
- the tab 22 protrudes from the left side surface 21c and the right side surface 21d of the relay main body 21 and extends along these side surface portions, so that it is hidden in the relay main body 21 and becomes a blind spot when mated with the terminal fitting 3.
- the state at the time of fitting can be confirmed visually. Therefore, for example, it is possible to fit the connecting portion 31 while confirming the position and inclination of the fitting portion 25.
- the tab 22 can be directed to the terminal fitting 3 in an appropriate insertion direction by visual observation, the work accuracy and workability when fitting the fitting part 25 to the connection part 31 are improved at the same time. Can be planned.
- the relay 2 assembled to the housing member 4 is not in a state in which the relay body 21 is placed on the housing member 4 as in the prior art, that is, the relay body 21 does not protrude from the housing member 4. Therefore, the height (dimension with respect to the up-down direction) of the relay module 1 can be suppressed to the height of the housing member 4, and the relay module 1 can be reduced in height.
- the degree of freedom of device placement at the mounting position and its surroundings can be increased, and space saving in the in-vehicle space can be achieved.
- the relay module 1 is mounted not only in the upward / downward direction (as an example, the direction in which the relay 2, the terminal fitting 3, and the housing member 4 are assembled as shown in FIG. 3B) but also in the lateral direction, the downward direction, and the diagonal direction. It is also possible.
- the height position of the relay main body 21 in a state where the relay 2 is assembled to the housing member 4 is determined by the position where the fitting portion 25 of the tab 22 and the connection portion 31 of the terminal fitting 3 are fitted. That is, in each terminal fitting 3, the connection portion 31 that fits the fitting portion 25 of the tab 22 is connected to the side portion and the wall portion 44 of the relay main body 21 that are accommodated in the first accommodation chamber 41. Are held at opposite height positions (the same height as each other). The upper end surface of the wall portion 44 is positioned above the frame portion 45 so that the base end portion 24 of the tab 22 does not come into contact with the fitting portion 25 of the tab 22 and the connection portion 31 of the terminal fitting 3.
- the bottom 43 is positioned at a predetermined height below the end surface, and the bottom 43 is positioned at a predetermined height that does not contact the bottom surface 21b of the relay body 21.
- the relay 2 is arranged in the height direction of the housing member 4 except for the portion where the fitting portion 25 of the tab 22 and the connection portion 31 of the terminal fitting 3 are fitted, and the upper end surface of the bottom portion 43 and the wall portion 44. Since it is hold
- the tab 22 is housed in the second housing chamber 42 and the fitting portion 25 is fitted with the connection portion 31, that is, the relay 2 is electrically connected to the electric wire 5 via the terminal fitting 3.
- the tab 22 is in a state where the base end portion 24 is exposed to the outside without being hidden by the relay main body 21 (see FIG. 3B). Therefore, the tab 22 can be accessed from above the housing member 4, and the continuity check of the relay 2 can be easily performed. At that time, for example, even when a plurality of relays 2 are accommodated in the accommodating member 4, it is possible to easily perform work from above the accommodating member 4 using a common checker.
- the relay 2 since the fitting site
- the relay main body 21 is in a state in which the upper surface 21a is exposed to the outside even in the state of being accommodated in the first accommodating chamber 41, and therefore heat generated by the relay operation is transmitted from the upper surface 21a.
- the relay main body 21 is in a state where the side surfaces (the left side surface 21 c, the right side surface 21 d, the front surface 21 e, the back surface 21 f) are covered with the wall portion 44. Therefore, the operation sound generated from the inside of the relay main body 21 is not easily diffused to the outside, and noise reduction can be achieved.
- the relay body 21 can be guided along the wall portion 44 of the housing member 4 when the relay 2 is assembled to the housing member 4. This makes it possible to stabilize the posture and improve workability.
- the housing member 4 can be configured to have an interference portion 47 that interferes with the relay 2 when the relay 2 is assembled. With such a configuration, even if the relay 2 is tilted when assembled to the housing member 4, the relay 2 can interfere with the interference portion 47. To prevent excessive tilting.
- the housing member 4 is provided with the interference portion 47, but the interference portion 47 is omitted and simplified. It does not matter as a configuration.
- the interference unit 47 may be configured to include at least one of the first interference unit 47a and the second interference unit 47b.
- the first interfering portion 47a is configured so that the relay body 21 interferes with the relay body 21 when the relay 2 is tilted when assembled to the housing member 4 and restricts the housing angle of the relay body 21 in the first housing chamber 41. It can be provided in the storage chamber 41.
- the second interference part 47b interferes with the fitting part 25 of the tab 22 when the relay 2 is tilted when assembled to the housing member 4, and the fitting part 25 fits into the connection part 31 of the terminal fitting 3. It can be provided in the second storage chamber 42 so as to regulate the joint angle.
- the first interference part 47 a is continuous with the upper end of the wall part 44 of the first storage chamber 41 and extends so as to be bridged over the upper end of the frame part 45.
- the second interference part 47b is configured to protrude from the upper end of the frame part 45 toward the wall part 44 side.
- FIG. 7 shows an example of a state in which the relay main body 21 is caused to interfere with the first interference unit 47a and the second interference unit 47b.
- the inclination of the relay 2 is regulated by the first interference part 47 and the second interference part 47b and does not incline any further.
- the relay body 21 is guided so as to be along one or both of the first interference portion 47 and the wall portion 44, thereby returning the relay 2 to an appropriate insertion posture with respect to the housing member 4.
- the vicinity can be inserted into the first storage chamber 41 (the state shown in FIG. 3A).
- the fitting part 25 can be smoothly fitted to the connection part 31 by inserting the tab 22 from this state. .
- the height of the first interference part 47a and the second interference part 47b (the dimension from the bottom 43 of the housing member 4 in the vertical direction) is the upper surface of the relay main body 21 when the relay 2 is assembled to the housing member 4. What is necessary is just to set so that it may become substantially the same height as 21a (the same position with respect to an up-down direction).
- the upper edge of the first interference portion 47a and the second interference portion 47b and the upper surface 21a of the relay main body 21 in the assembled state of the relay 2. Can be in a substantially flush state (as shown in FIG. 3B).
- the heat generated from the relay 2 can be discharged to the outside from the base end portion 24 of the tab 22, the upper surface 21 a of the relay body 21, etc., but the housing member 4 can be easily discharged. It is good.
- the housing member 4 may have a configuration in which a through hole 43b with an opening facing the outside is formed in the bottom portion 43.
- movement can be easily escaped outside from the through-hole 43b. Therefore, the heat generated in the relay main body 21 can be more effectively prevented from entering the first storage chamber 41, and the influence of the heat on the relay operation can be further reduced.
- the through hole 43b by forming the through hole 43b, the effect of easily draining from the through hole 43b to the outside can be obtained even when the first storage chamber 41 is submerged.
- the terminal fittings 3 housed in the two second housing chambers 42 are both held with the protruding direction of the spring portion 35 directed in the same direction (see FIG. 3A, see FIG. 3B).
- the lance 46 is provided in the second storage chamber 42 so as to lock all the terminal fittings 3 in a state where the protruding direction of the spring portion 35 is directed in the same direction.
- the base end portion 24 of the tab 22 protrudes in a flat plate shape extending in parallel with the top surface 21 a and the bottom surface 21 b of the relay body 21 and is fitted.
- the portion 25 is configured to extend in a flat plate shape extending in parallel with the left side surface 21c and the right side surface 21d of the relay body 21.
- the fitting portion 25 of the relay main body 21 does not protrude beyond the surface portion (bottom surface 21b) on the back side of the relay main body 21 with respect to the accommodating direction in the accommodating member 4.
- the relay configurations according to the first to eleventh modifications as shown in FIGS. 8 to 18 can be adopted. Even in these modifications, the same operation as that of the relay 2 is possible. There is an effect.
- the relay configuration according to the first modification to the eleventh modification will be described.
- the basic configuration of the relay according to these modified examples is the same as that of the relay 2 according to the present embodiment.
- the same or similar components as those of the present embodiment are denoted by the same reference numerals in the drawings, and the description thereof is omitted.
- differences from the relay 2 will be described.
- the terminal metal fitting 3 and the accommodating member 4 respond
- the storage chamber 42 is arranged in the storage member 4, that is, the position of the second storage chamber with respect to the first storage chamber 41 is set, and the terminal fitting 3 is fitted to the storage member 4 (second member) according to the fitting position with the tab 22. What is necessary is just to set it as the structure assembled
- the number, width, and thickness of the tabs 22 can be arbitrarily set, the protruding position and protruding length of the base end portion 24, and the height of the extending tip of the fitting portion 25.
- a position, the extension dimension from the base end part 24, etc. can be set arbitrarily. For example, these settings may be the same for all the tabs 22 in each modification, or may be different for each tab 22.
- FIG. 8 shows the configuration of the relay 2a according to the first modification.
- the tab 22 has a configuration in which the base end portion 24 and the fitting portion 25 are formed in a flat plate shape extending in parallel with the front surface 21e and the back surface 21f.
- the relay 2a includes four tabs 22.
- Two tabs 22 are provided on the left side surface 21c and two on the right side surface 21d of the relay body 21.
- the base end part 24 protrudes by the same length from the same height (the same position with respect to an up-down direction).
- the two tabs 22 of the side surfaces protrude from the side surface portions at the same interval (may be different).
- the fitting portions 25 of the four tabs 22 are bent so as to be substantially perpendicular and downward from the protruding tip of the base end portion 24 so as to be parallel to the front surface 21e and the back surface 21f. In that case, these fitting parts 25 are extended from the base end part 24 by the same dimension so that the position (height) with respect to the up-down direction of the extension front-end
- the base end portion 24 of the tab 22 is connected from a pair of side surface portions (the left side surface 21c and the right side surface 21d) located in the longitudinal direction (left and right direction) of the relay body 21. Although it protrudes, the base end part 24 may protrude only from one side part, two adjacent side parts, or more side parts.
- FIG. 9 and 10 show configurations of a second modification and a third modification in which the base end portion 24 of the tab 22 is protruded from only one side surface portion (front surface 21e) of the relay body 21.
- FIG. 9 In the relay 2b according to the second modification shown in FIG. 9, among the four tabs 22, the base end portions 24 of the two tabs 22 protrude from the vicinity of the upper end portion of the front surface 21e, and the remaining portions from the lower side than these. The base ends 24 of the two tabs 22 are projected.
- the base end portions 24 of the four tabs 22 are protruded from the same height near the upper end portion of the front surface 21e.
- FIG. 11 and 12 show a fourth modified example and a fifth modified example in which the base end portion 24 of the tab 22 is protruded from two adjacent side surface portions (the front surface 21e and the right side surface 21d) of the relay main body 21.
- the configuration is shown.
- the base end portions 24 of the three tabs 22 are protruded from the vicinity of the upper end portion of the front surface 21e, and the remaining height from these same heights
- the base end portion 24 of one tab 22 protrudes from the right side surface 21d.
- the base end portions 24 of the two tabs 22 out of the four tabs 22 protrude from the vicinity of the upper end portion of the front surface 21e, and the same height as these. Further, the base end portions 24 of the remaining two tabs 22 are projected from the right side surface 21d.
- FIG. 13 shows a configuration of a sixth modification in which the base end portion 24 of the tab 22 is protruded from the three side portions (the left side surface 21c, the front surface 21e, and the right side surface 21d) of the relay main body 21.
- the relay 2f according to the sixth modification one of the four tabs 22 protrudes from the left side surface 21c, two from the front surface 21e, and one from the right side surface 21d.
- the fitting portions 25 of the four tabs 22 bend substantially perpendicularly and downward from the protruding tip of the base end portion 24, and the base The end portions 24 are extended so as to be parallel to the protruded side surface portions. In that case, these fitting parts 25 are extended from the base end part 24 by the same dimension so that the position (height) with respect to the up-down direction of the extension front-end
- the base end portion 24 of the tab 22 protrudes from the side surface portion of the relay main body 21, and the base end portion 24 is shown in FIGS.
- the relay body 21 may protrude from the upper surface 21a.
- the base end portions 24 of the four tabs 22 protrude from the upper surface 21a and extend so as to bend and extend substantially at right angles to the side surface portions.
- the fitting portion 25 of each tab 22 is bent at a substantially right angle and downward from the base end portion 24, and the base end of the extended tip is the same size so that the position (height) in the vertical direction is the same. It extends from the part 24.
- the fitting portions 25 of the four tabs 22 are extended from the base end portion 24 so as to be parallel to the front surface 21e.
- the fitting portions 25 of the four tabs 22 two are parallel to the front surface 21e and the other two are parallel to the back surface 21f. It extends from 24.
- FIG. 20A is an external perspective view of a relay in which a base end portion of a lead terminal is surrounded by a resin
- FIG. 20B is a side view of the relay shown in FIG. 20A.
- the relay 100 has a flat insulating member 102 attached along one surface of the relay main body 101 (for example, a surface corresponding to the upper surface 21a of the embodiment).
- the insulating member 102 is formed in a substantially rectangular shape in plan view by molding an insulating resin or the like.
- the insulating member 102 extends in a direction orthogonal to the pair of side surfaces 103 and 104 of the relay main body 101 arranged to face each other.
- Two lead terminals 105 are provided on the side surfaces 103 and 104, respectively. Each lead terminal 105 is provided such that its contact portion 107 faces the side surfaces 103 and 104.
- the insulating member 102 is formed so as to surround the base end portion 106 of each lead terminal 105.
- the base end portion 106 of the lead terminal 105 is surrounded by the insulating member 102 in the axial direction, and the contact portion 107 of the lead terminal 105 is provided so as to protrude from the lower surface of the insulating member 102.
- a protruding portion 108 is formed in a stepped shape. The protrusion 108 comes into contact with the upper end surface of the wall when the relay 100 is assembled to the housing member.
- the base end portion 106 of the lead terminal 105 may be disposed so as to protrude from the protruding portion 108, or may be disposed so as to protrude from the side surfaces 103 and 104 of the relay main body 101.
- each lead terminal 105 can be supported by the insulating member 102 from above.
- the load on the lead terminals 105 can be greatly reduced, so that the deformation of the lead terminals 105 can be prevented.
- surrounding the base end portion 106 of each lead terminal 105 with the insulating member 102 it is possible to prevent a short circuit between adjacent lead terminals 105.
- Terminal fitting 4 Housing member 21 Body (relay body) 21b Bottom 21c Left side 21d Right side 22 Terminal (tab) 24 base end part 25 fitting part 41 1st storage chamber 42 2nd storage chamber
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Abstract
Description
3 端子金具
4 収容部材
21 本体部(リレー本体)
21b 底面
21c 左側面
21d 右側面
22 端子部(タブ)
24 基端部
25 嵌合部
41 第1収容室
42 第2収容室
Claims (4)
- 電子部品と、
前記電子部品と嵌合する端子金具と、
前記電子部品及び前記端子金具を収容する収容部材と、を具備し、
前記電子部品は、複数の面部を有する本体部と、前記本体部に設けられて前記端子金具と嵌合される端子部を備え、
前記収容部材は、前記本体部を案内して収容する第1収容室と、前記端子金具を収容して保持する第2収容室を備えており、
前記端子部は、基端部と、前記基端部の突出先端から延出して前記端子金具と嵌合される嵌合部を有し、
前記嵌合部は、前記第1収容室への収容方向に対して前記本体部の奥側の面部よりも延出先端を突出させることなく、前記本体部の側面部と間隔を空けて該側面部に沿って前記基端部の突出先端から延出しており、
前記電子部品と、前記端子金具と、前記収容部材とが相互に組み付けられる
ことを特徴とする電子部品の組付構造。 - 前記収容部材は、前記電子部品の組付時に該電子部品と干渉する干渉部を有し、
前記干渉部は、第1干渉部及び第2干渉部の少なくとも一方を備えており、
前記第1干渉部は、前記電子部品が傾いた場合に前記本体部と干渉して前記電子部品の傾きを規制するように前記第1収容室に設けられ、
前記第2干渉部は、前記電子部品が傾いた場合に前記嵌合部と干渉して前記電子部品の傾きを規制するように前記第2収容室に設けられていることを特徴とする請求項1に記載の電子部品の組付構造。 - 前記第1収容室は、底部と、前記底部から立設されて前記本体部を案内する壁部を有し、
前記底部には、開口を外部へ臨ませた貫通孔が形成されていることを特徴とする請求項1又は2に記載の電子部品の組付構造。 - 請求項1~3のいずれかに記載の電子部品の組付構造を備えてなることを特徴とする電気接続箱。
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CN201480014362.4A CN105191515B (zh) | 2013-03-14 | 2014-03-13 | 电子元器件的装配构造和电气接线箱 |
JP2015505551A JP5959719B2 (ja) | 2013-03-14 | 2014-03-13 | 電子部品の組付構造及び電気接続箱 |
DE112014001321.8T DE112014001321T5 (de) | 2013-03-14 | 2014-03-13 | Elektronikkomponenten-Anordnungsaufbau und elektrischer Anschlusskasten |
US14/851,375 US9553434B2 (en) | 2013-03-14 | 2015-09-11 | Electronic component assembly structure and electrical junction box |
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JP5990333B2 (ja) * | 2013-08-30 | 2016-09-14 | 矢崎総業株式会社 | 電子部品と端子金具との接続構造 |
JP6499124B2 (ja) * | 2016-06-30 | 2019-04-10 | 矢崎総業株式会社 | 導電部材および電気接続箱 |
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JP6661686B2 (ja) * | 2018-03-16 | 2020-03-11 | 矢崎総業株式会社 | 電気接続箱 |
JP7052656B2 (ja) * | 2018-09-14 | 2022-04-12 | 住友電装株式会社 | 電気接続箱 |
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CN105191515A (zh) | 2015-12-23 |
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US9553434B2 (en) | 2017-01-24 |
DE112014001321T5 (de) | 2016-01-14 |
US20160006228A1 (en) | 2016-01-07 |
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