CN215417950U - Light touch switch with silica gel handle structure - Google Patents

Abstract

The utility model discloses a light touch switch with a silica gel handle structure, which comprises a base, a top cover and a reed, wherein four corners at the top end of the inner wall of the base are all fixedly provided with a support, the top ends of the four support are all fixedly connected with clamping columns which are respectively clamped and connected with through holes arranged at the four corners at the top end of the top cover, the middle part at the top end of the top cover is provided with a through hole, and the through hole is penetrated and connected with the silica gel handle structure. Avoid the too big limiting plate that leads to of resilience force and top cap to take place the striking and easily receive the damage.

Description

Light touch switch with silica gel handle structure

Technical Field

The utility model relates to the field of tact switches, in particular to a tact switch with a silica gel handle structure.

Background

The tact switch has advantages of small contact resistance load, accurate operation force error, diversified specifications and the like, and is widely applied to electronic equipment, white household appliances and the like, such as: audio-visual products, digital products, remote controllers, communication products, household appliances, security products, toys, computer products, fitness equipment, medical equipment, currency examining pens, laser pen keys and the like. The light touch switch directly replaces large equipment and high-load buttons under environmental conditions (the applied pressure is less than 2 times of elastic force/environmental temperature and humidity conditions and electrical performance) by conductive rubber or metal dome switches, such as medical equipment, television remote controllers and the like. But the in-process that can appear dabbing the switch using dabs that the waterproof performance of switch is not good leads to there being water or moisture to get into dabbing the switch inside in the use, causes to form the short circuit between two contact pieces and then influences dabbing the normal work of switch and the resilience force of reed too big leads to limiting plate and top cap to take place to strike and easily receive the damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tact switch with a silica gel handle structure, and aims to solve the problems that water or moisture enters the tact switch in the using process due to poor waterproof performance of the tact switch in the background technology, so that a short circuit is formed between two contact elements to influence the normal work of the tact switch, and a limiting plate is easy to damage due to collision between the limiting plate and a top cover due to overlarge resilience of a reed.

In order to achieve the purpose, the utility model provides the following technical scheme: a light touch switch with a silica gel handle structure comprises a base, a top cover and a reed, wherein four corners at the top end of the inner wall of the base are fixedly provided with a support, the top ends of four support are fixedly connected with clamping columns which are respectively connected with through holes arranged at four corners at the top end of the top cover in a clamping manner, the middle part of the top end of the top cover is provided with a through hole, the through hole is connected with the silica gel handle structure in a penetrating manner, the silica gel handle structure comprises a button, a transmission body and a limiting plate, the bottom end of the button extends to the inner part of the base and is fixedly connected with the limiting plate, the bottom end of the limiting plate is fixedly provided with the transmission body, the limiting plate is fixedly provided with telescopic rods positioned at two sides of the button, the surfaces of the two telescopic rods are respectively sleeved with a spring, the inner side of the base is fixedly provided with a damp-proof film, the inner side of the damp-proof film is fixedly provided with a water-absorbing sponge, and two sides of the bottom end of the inner wall of the base are fixedly provided with contact pieces, the middle parts of the top ends of the two contact pieces are fixedly connected with insulating support columns, the top ends of the two insulating support columns are fixedly arranged at the bottom ends of the reeds, and the reeds are arranged corresponding to the transmission body.

As a preferable technical scheme of the utility model, the button and the transmission body are both made of silica gel materials.

As a preferable technical solution of the present invention, two terminals are fixedly connected to one side of each of the top ends of the two contact pieces, and one ends of the four terminals extend to the outside.

As a preferable technical solution of the present invention, the joints of the base and the four terminals are all fixedly provided with a second sealing ring.

According to a preferred technical scheme of the utility model, clamping grooves are formed in two sides of the four through holes, and the eight clamping grooves are respectively connected with the elastic sheets fixedly connected with two sides of the middle of the four clamping columns in a clamping manner.

As a preferred technical solution of the present invention, the button is inserted into and connected to the through hole, and a first sealing ring is fixedly disposed inside the through hole.

Compared with the prior art, the utility model has the beneficial effects that: this dab switch passes through dampproofing film, the sponge absorbs water, the combined action of first sealing washer and second sealing washer can improve the waterproof performance who dabs the switch greatly, it has water or moisture entering to dabble inside the switch to avoid in the use, lead to forming the short circuit between two contacts and then influence the normal work that dabs the switch, cooperation effect through telescopic link and expanding spring can play the cushioning effect to the resilience force of reed, avoid the resilience force too big limiting plate that leads to take place the striking with the top cap and easily receive the damage, spacing block through shell fragment and draw-in groove comes to carry out spacing fixed with the top cap, avoid when using the top cap to drop, can use great power to come upwards to stimulate the top cap, make shell fragment and draw-in groove separation, be convenient for dismantle the top cap.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a of the present invention.

In the figure: 1. a base; 2. a top cover; 3. clamping the column; 4. a button; 5. a terminal; 6. a contact member; 7. an insulating support; 8. a reed; 9. a transmission body; 10. a limiting plate; 11. a first seal ring; 12. a telescopic rod; 13. a spring; 14. a support; 15. a moisture-proof film; 16. a water-absorbing sponge; 17. a second seal ring; 18. a spring plate; 19. a through hole; 20. a clamping groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, the utility model provides a light touch switch with a silica gel handle structure, which comprises a base 1, a top cover 2 and a reed 8, wherein four corners of the top end of the inner wall of the base 1 are all fixedly provided with supports 14, the top ends of the four supports 14 are all fixedly connected with clamping columns 3, the four clamping columns 3 are respectively clamped and connected with through holes 19 formed in the four corners of the top end of the top cover 2, the middle part of the top end of the top cover 2 is provided with a through hole, the through hole is connected with the silica gel handle structure in an inserting manner, the silica gel handle structure comprises a button 4, a transmission body 9 and a limiting plate 10, the bottom end of the button 4 extends to the inside of the base 1 and is fixedly connected with the limiting plate 10, the bottom end of the limiting plate 10 is fixedly provided with the transmission body 9, the limiting plate 10 is fixedly provided with telescopic rods 12 positioned at two sides of the button 4, the surfaces of the two telescopic rods 12 are all sleeved with springs 13, and can play a role of buffering role in buffering the resilience of the reed 8 through the cooperation of the telescopic rods 12 and the telescopic springs 13, avoid the resilience force too big limiting plate 10 that leads to and top cap 2 to take place the striking and easily receive the damage, the inboard fixed dampproofing film 15 that is provided with of base 1, the inboard fixed sponge 16 that absorbs water that is provided with of dampproofing film 15, the both sides of base 1 inner wall bottom are all fixed and are provided with contact 6, the equal fixedly connected with insulating pillar 7 in middle part on two contact 6 tops, the top of two insulating pillars 7 is all fixed and is set up the bottom at reed 8, reed 8 corresponds the setting with the transmission body 9, this dabbing switch passes through dampproofing film 15, sponge 16 absorbs water, the combined action of first sealing washer 11 and second sealing washer 17 can improve the waterproof performance who dabs the switch greatly, avoid having water or moisture to get into inside dabbing the switch in the use, lead to forming the short circuit between two contact 6 and then influence the normal work that dabs the switch.

Preferably, the button 4 and the transmission body 9 are made of a silicone material, and the silicone material has good insulation property.

Preferably, two terminals 5 are fixedly connected to one side of the top ends of the two contact pieces 6, and one ends of the four terminals 5 extend to the outside.

Preferably, the base 1 and the junction of four terminals 5 are all fixed and are provided with second sealing washer 17, and the setting of second sealing washer 17 can improve the waterproof performance of dabbing the switch.

Preferably, draw-in groove 20 has all been seted up to four through-holes 19's both sides, and eight draw-in grooves 20 are connected with four 3 middle part both sides fixed connection's of card shell fragment 18 block respectively, and spacing block through shell fragment 18 and draw-in groove 20 comes to carry out spacing fixed with top cap 2, avoids top cap 2 to drop when using, can use great power to come upwards to stimulate top cap 2, makes shell fragment 18 and draw-in groove 20 separation, is convenient for dismantle top cap 2.

Preferably, button 4 and through-hole alternate connection, the inboard fixed first sealing washer 11 that is provided with of through-hole, and the waterproof performance of touching the switch can be improved in the setting of first sealing washer 11.

When the light-touch switch with the silica gel handle structure is used in detail, the waterproof performance of the light-touch switch can be greatly improved through the combined action of the moisture-proof film 15, the water-absorbing sponge 16, the first sealing ring 11 and the second sealing ring 17, the phenomenon that water or moisture enters the light-touch switch during the use process to cause a short circuit between the two contact elements 6 and further influence the normal work of the light-touch switch is avoided, the button 4 is pressed downwards in the use process of the light-touch switch to further press the reed 8 to deform downwards and respectively contact the two contact elements 6 to form a loop between the two contact elements 6 to play a role of the switch, when the button 4 is released, the resilience force of the reed 8 can be buffered through the matching action of the telescopic rod 12 and the telescopic spring 13, and the phenomenon that the limiting plate 10 and the top cover 2 are easy to damage due to overlarge resilience force is avoided, this dab switch carries out spacing fixed with top cap 2 through the spacing block of shell fragment 18 with draw-in groove 20, avoids top cap 2 to drop when using, can use great power to come upwards to stimulate top cap 2, makes shell fragment 18 and draw-in groove 20 separation, is convenient for dismantle top cap 2.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a switch is dabbed to silica gel handle structure, includes base (1), top cap (2) and reed (8), its characterized in that: the base is characterized in that supports (14) are fixedly arranged at four corners of the top end of the inner wall of the base (1), four clamping columns (3) are fixedly connected to the top end of each support (14), the four clamping columns (3) are respectively connected with through holes (19) formed in four corners of the top end of the top cover (2) in a clamping manner, a through hole is formed in the middle of the top end of the top cover (2), a silica gel handle structure is connected with the through hole in a penetrating manner and comprises a button (4), a transmission body (9) and a limiting plate (10), the bottom end of the button (4) extends to the inner portion of the base (1) and is fixedly connected with the limiting plate (10), the transmission body (9) is fixedly arranged at the bottom end of the limiting plate (10), telescopic rods (12) located on two sides of the button (4) are fixedly arranged on the limiting plate (10), and springs (13) are sleeved on the surfaces of the telescopic rods (12), the waterproof device is characterized in that a damp-proof film (15) is fixedly arranged on the inner side of the base (1), a water absorption sponge (16) is fixedly arranged on the inner side of the damp-proof film (15), contact pieces (6) are fixedly arranged on two sides of the bottom end of the inner wall of the base (1), insulating support columns (7) are fixedly connected to the middle portions of the top ends of the two contact pieces (6), the top ends of the two insulating support columns (7) are fixedly arranged at the bottom ends of the reed (8), and the reed (8) and the transmission body (9) are arranged correspondingly.

2. The tact switch of a silica gel handle structure according to claim 1, wherein: the button (4) and the transmission body (9) are both made of silica gel materials.

3. The tact switch of a silica gel handle structure according to claim 2, wherein: two equal fixedly connected with two terminals (5) in one side on contact (6) top, four the one end of terminal (5) all extends to the external world.

4. The tact switch of a silica gel handle structure according to claim 3, wherein: and second sealing rings (17) are fixedly arranged at the joints of the base (1) and the four terminals (5).

5. The tact switch of a silica gel handle structure according to claim 1, wherein: clamping grooves (20) are formed in two sides of the four through holes (19), and the eight clamping grooves (20) are respectively connected with the elastic sheets (18) fixedly connected with two sides of the middle of the four clamping columns (3) in a clamping mode.

6. The tact switch of a silica gel handle structure according to claim 1, wherein: the button (4) is connected with the through hole in an inserting mode, and a first sealing ring (11) is fixedly arranged on the inner side of the through hole.

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