JP3131075U - Push-on switch - Google Patents

Abstract

To provide a push-on switch capable of stable operation.
A push-on switch according to the present invention includes an insulative main body in which a storage slot is formed, a first fixed terminal fixed to the insulative main body and including a pair of outer contact portions, and a first contact including a central contact portion. 2 It has a fixed terminal, a movable terminal, an operator that performs a pressing operation in the horizontal direction, a pressing portion, and a lid that is attached to the insulating main body. The movable terminal has a side portion that contacts the pair of outer contact portions, and a vertex portion that is disposed above the central contact portion. The pressing portion is disposed between the movable terminal and the operation element, and can press the apex of the movable terminal by being pushed into the operation element. The apex of the movable terminal is brought into contact with the central contact portion of the second fixed terminal when the pressing portion that is pushed into the operating element is pressed.
[Selection] Figure 2

Description

  The present invention relates to a push-on switch that is operated by pressing in a horizontal direction against a circuit board used in various electronic devices.

As a conventional push-on switch, a push-on switch disclosed in Patent Document 1 is known. The push-on switch includes a case, a first terminal derived from the case, a second terminal, and a vertex. A dome-shaped movable contact, an insulating sheet, an operator provided with a pressing portion, and a lid provided with a regulating portion. The first terminal is provided with a pair of first contact portions. The second terminal is provided with a central terminal. The movable terminal contacts the first contact portion. The operation element is disposed above the movable contact and contacts the regulating portion of the lid. The insulating sheet is inserted between the movable contact and the insulating sheet. When used, the operating element is pushed forward. The pressing portion of the operating element moves downward by contacting the regulating portion and being guided by the regulating portion. The vertex part of the movable terminal is pressed by the pressing part that has moved downward, thereby contacting the central contact of the second terminal. Thereby, the first and second terminals are electrically connected by the movable terminal.
Japanese Patent Application Laid-Open No. 2005-56784

  In the push-on switch shown in Patent Document 1, the pressing portion of the pressed operator needs to move downward in order to press the movable contact. As a result, the switch cannot obtain a stable operation.

  SUMMARY OF THE INVENTION In view of the above-described problems of the prior art, an object of the present invention is to provide a push-on switch that can be operated stably.

  The push-on switch of the present invention includes an insulating main body in which a storage slot is formed, a first fixed terminal fixed to the insulating main body and including a pair of outer contact portions, and a second fixed terminal including a central contact portion. And a movable terminal, an operator for pressing in the horizontal direction, a pressing portion, and a lid attached to the insulating main body. The movable terminal has a side portion that contacts the pair of outer contact portions, and a vertex portion that is disposed above the central contact portion. The pressing portion is disposed between the movable terminal and the operation element, and can press the apex of the movable terminal by being pushed into the operation element. The apex of the movable terminal is brought into contact with the central contact portion of the second fixed terminal when the pressing portion that is pushed into the operating element is pressed.

  Compared with the prior art, the present invention has the following effects. The push part of the push-on switch can be pushed into the operation element to push the apex part of the movable terminal. Thereby, the operator operates only to move along the horizontal direction. Thereby, unstable operation can be avoided.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  1 to 2, the push-on switch 100 includes an insulating main body 1 in which a storage slot 15 is formed, a first fixed terminal 21 stored in the storage slot 15 of the insulating main body 1, 2 The fixed terminal 22, the movable terminal 3, the press part 4, the operation element 5, and the cover body 6 attached to the insulating main body 1 are provided.

  As shown in FIGS. 1 and 2, the insulating main body 1 includes a bottom wall 11, a front wall 12 extending upward from the bottom wall 11, a rear wall 13, and a pair of side walls 14. An opening 16 is formed in the middle of the front wall 12. The front wall 12 is provided with a protrusion 102 below the opening 16. A stereotaxic slot 17 is formed in the middle of the rear wall 13. The front wall 12 and the rear wall 13 include a pair of engaging portions 18 provided on both sides of the opening 16 and a pair of engaging portions 18 provided on both sides of the stereotaxic slot 17. Grooves 101 extending along the longitudinal direction are formed at the bottoms of the front wall 12 and the rear wall 13, respectively.

  The first fixed terminal 21 is provided with a pair of outer contact portions 211. A central contact portion 221 is provided on the second fixed terminal 22. The first and second fixed terminals 21 and 22 are respectively provided with a pair of solder connection portions 212 and 222 led out from the insulating main body 1.

  The dome-shaped movable terminal 3 includes a vertex portion 31 and a side portion 32.

  The pressing portion 4 includes a plate-like portion 40, a contact portion 42 that is inclined upward from the plate-like portion 40, a convex piece 44 that protrudes downward from the lower surface of the plate-like portion 40, and the plate-like portion 40. And a bent portion 41 that is bent downward. An engagement slot 411 is formed in the bent portion 41.

  The operation element 5 includes a main body portion 50 accommodated in the accommodation slot 15, an operation portion 52 extending outward from the opening 16 of the insulating main body 1, and a pair of projecting portions provided at the rear end of the main body portion 50. 53 and an intermediate portion 51 provided between the pair of projecting portions 53. A second inclined surface 54 is formed in the intermediate portion 51.

  The lid 6 includes a rectangular top wall 61, a plurality of extending walls 62 extending downward from the top wall 61, and a positioning portion 64 provided between the pair of extending walls 62. Each extending wall 62 is formed with an engagement hole 63.

  As shown in FIGS. 3 and 4, when the push-on switch 100 is attached, the fixed terminal 2 is disposed on the bottom wall 11 of the insulating main body 1. The center contact portion 221 of the second fixed terminal 22 is disposed between the pair of outer contact portions 211 of the first fixed terminal 21. The plurality of solder connection portions 212 and 222 of the fixed terminal 2 are led out from the insulating main body 1. The movable terminal 3 is disposed on the fixed terminal 2. The side portion 32 of the movable terminal 3 contacts the outer contact portion 211 of the first fixed terminal 21, and the apex portion 31 is located above the center contact portion 221 of the second fixed terminal 22. The main body 51 of the operation element 5 is stored in the storage slot 15 of the insulating main body 1. The operation unit 52 of the operation element 5 extends outward from the opening 16. The pressing portion 4 is inserted between the operation element 5 and the movable terminal 3. The convex piece 44 of the pressing portion 4 is located at the apex portion 31 of the movable terminal 3, the engaging slot 411 is engaged with the protruding portion 102 of the insulating body 1, and the abutting portion 42 is the operating element 5. The first slope 43 comes into contact with the second slope 54. Finally, the lid 6 is attached to the insulating main body 1. The localization part 64 of the lid 6 is fitted into the localization slot 17 of the insulating main body 1. The engagement hole 63 of the lid body 6 engages with the engagement portion 18 of the insulating main body 1.

  The plurality of solder connection portions 212 and 222 of the integrated push-on switch 100 are soldered to a circuit board (not shown). The pair of grooves 101 accommodates a welding agent formed by soldering the solder connection portions 212 and 222. Thereby, it is possible to avoid the welding agent from entering the inside of the switch 100 from the opening 16 and the stereotaxic slot 17.

  As shown in FIG. 4, when used, the operation element 5 is pushed rearward along the horizontal direction by the applied operation force. The pressing portion 4 moves downward when the contact portion 42 is pushed into the operation element 5. The convex piece 44 of the pressing portion 4 presses the apex portion 31 of the movable terminal 3 downward. Thereby, the apex portion 31 of the movable terminal 3 comes into contact with the central contact portion 221 of the second fixed terminal 22. The first and second fixed terminals 21 and 22 are electrically connected by the movable terminal 3 to be pressed.

  When the operating force is removed, the movable terminal 3 returns to its original upward convex shape by its own elasticity, and the apex portion 31 moves away from the central contact portion 221 of the second fixed terminal 2. The first and second fixed terminals 21 and 22 return to the electrically independent state. In the process, the pressing portion 4 moves upward, and the operation element 5 moves to the original position along the horizontal direction.

  When the push-on switch 100 is operated, it only operates to move along the horizontal direction. Thereby, a stable operation can be obtained.

  As mentioned above, although this invention was demonstrated in detail with reference to best embodiment, embodiment is only an illustration to the last and is not limited to these. In addition, the above description belongs to the scope of the claims for registration of the utility model of the present invention, such as modification or change of details that can be made based on the present invention.

It is a disassembled perspective view of the push-on switch of the present invention. FIG. 3 is another exploded perspective view of the push-on switch shown in FIG. 1. It is a combination perspective view of the push-on switch shown in FIG. FIG. 4 is a sectional view taken along line IV-IV of the push-on switch when the operator shown in FIG. 3 is not operated.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Insulating main body 2 Fixed terminal 3 Movable terminal 4 Press part 5 Manipulator 6 Cover body 11 Bottom wall 12 Front wall 13 Rear wall 14 Side wall 15 Storage hole 16 Opening part 17 Stereotaxy slot 18 Engagement part 19 Stereotaxic pillar 21 First fixation Terminal 22 Second fixed terminal 31 Vertex portion 32 Side portion 40 Plate-like portion 41 Bending portion 42 Abutting portion 43 First slope 44 Convex-shaped piece 51 Main body portion 51 Intermediate portion 52 Operation portion 53 Protruding portion 54 Second slope 61 Top Wall 62 Extension wall 63 Engagement hole 64 Localization part 100 Push-on switch 101 Groove part 102 Projection part 211 Outer contact part 212, 222 Solder connection part 221 Central contact part 411 Engagement slot

Claims (9)

An insulating body in which a storage slot is formed;
A first fixed terminal fixed to the insulating body and including a pair of outer contact parts;
A second fixed terminal fixed to the insulating body and including a central contact portion;
A movable terminal having side portions that contact the outer contact portions of the pair, and a vertex portion disposed above the central contact portion;
An operator for pressing in the horizontal direction;
A pressing portion that is disposed between the movable terminal and the operation element and can be pressed by the operation element to press the apex of the movable terminal;
In a push-on switch comprising a lid attached to the insulating main body,
The push-on switch is characterized in that the apex of the movable terminal is brought into contact with the central contact portion of the second fixed terminal by pressing a pressing portion that is pressed by the operation element. The pressing portion is
A plate-shaped part;
A contact portion that is bent upward from the plate-like portion and pushed into the operation element;
2. The push-on switch according to claim 1, further comprising a convex piece that protrudes from the lower surface of the plate-like portion and can press the apex of the movable terminal. Each of the first and second fixed terminals is provided with a pair of solder connection portions,
The insulating main body has a bottom wall, a front wall extending from the bottom wall, a rear wall, and a pair of side walls,
3. The push-on according to claim 2, wherein a groove portion for storing a welding agent formed by soldering a pair of the equal solder connection portions is formed on a bottom portion of each of the front wall and the rear wall. switch.   The push-on switch according to claim 3, wherein an opening and a stereotaxic slot are formed in the front wall and the rear wall of the insulating main body, respectively. A protrusion is provided below the opening,
The push-on switch according to claim 4, wherein the pressing portion is provided with a bent portion in which an engaging slot for engaging the protruding portion is formed. The operator is
A main body stored in the storage slot;
An operation part extending outward from the opening of the insulating body;
A pair of protrusions provided at the rear end of the main body,
The push-on switch according to claim 4, further comprising an intermediate portion that is provided between the pair of projecting portions and can push the contact portion. The contact portion of the pressing portion is provided with a first slope,
The push-on switch according to claim 6, wherein an intermediate portion of the operation element includes a second inclined surface that engages with the first inclined surface of the contact portion. In the lid,
The top wall,
The push-on switch according to claim 4, further comprising a localization portion extending downward from the top wall and fitted into a localization slot of the insulating main body. A plurality of engaging portions are provided on the front wall and the rear wall of the insulating main body,
The push-on switch according to claim 8, wherein the lid is provided with a plurality of extending walls in which engagement holes that engage with the plurality of engagement portions are formed.

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