CN219370845U - Novel double-layer silica gel key - Google Patents

Abstract

The utility model discloses a novel double-layer silica gel button which comprises a plastic surface shell, conductive carbon particles and a water stop belt, wherein a silica gel pressing head is movably connected to the top end inside the plastic surface shell. According to the utility model, the structure of the key structure is optimized by installing the transverse heat dissipation pipe fitting, the second silica gel sealing ring and the like, on one hand, the first silica gel sealing ring and the second silica gel sealing ring which are matched with the silica gel pressing head are sequentially arranged at the upper part of the plastic surface shell, compared with a single silica gel sealing structure, double-layer silica gel sealing treatment is realized, the dustproof protection effect is optimized, and on the other hand, the transverse heat dissipation pipe fitting and the vertical heat dissipation pipe fitting which are communicated with the inside of the reserved movable cavity are arranged at the bottom of the plastic surface shell, so that ventilation and heat dissipation are conveniently carried out on the reserved movable cavity provided with the electronic components such as the conductive carbon particles, the circuit board and the like, the heat loss influence during operation of the key structure is reduced, and the problem of damage to the electronic components caused by heat accumulation is alleviated.

Description

Novel double-layer silica gel key

Technical Field

The utility model relates to the technical field of silica gel keys, in particular to a novel double-layer silica gel key.

Background

Silica gel keys are one of the most common key types, are commonly used for electrical equipment such as computers and remote controllers, and are popular with consumers due to the advantages of softness, comfort and the like, however, the silica gel keys have some problems when being particularly used.

The silica gel button often only is provided with single silica gel sealing washer protective structure at the top, and this leads to its dustproof effect poor to this kind of structure leaves the gap, and the water easily slides to the inside electronic component district of plastic face shell, can not realize the high-efficient waterproof function of full surrounding, and this leads to its practicality low, difficult popularization; the silica gel button is often the integral type structure, does not have heat radiation structure, and this leads to its electronic component heat loss serious, easy damage of burning out in it, and again, its functional difference is difficult to carry out luminous location at night.

Disclosure of Invention

The utility model aims to provide a novel double-layer silica gel key to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel double-deck silica gel button, includes plastic face-piece, electrically conductive carbon particle and waterstop, the inside top swing joint of plastic face-piece has silica gel press head, from the top down has set gradually first silica gel sealing washer and second silica gel sealing washer between silica gel press head and the plastic face-piece, the inside sealed holding tank that is provided with of plastic face-piece of second silica gel sealing washer below, the waterstop is connected between the lateral wall of silica gel press head and the inside wall of sealed holding tank, electrically conductive carbon particle installs in the intermediate position department of silica gel press head bottom, the inside of plastic face-piece is provided with the reservation movable chamber with silica gel press head assorted, the inside bottom of reservation movable chamber install with electrically conductive carbon particle assorted circuit board, evenly set up on the plastic face-piece of circuit board below with reserve movable chamber assorted horizontal heat dissipation pipe fitting and vertical heat dissipation pipe fitting.

Preferably, the top inside of silica gel press head is inlayed and is had transparent silica gel piece, the inside bottom bonding of transparent silica gel piece has the location night light piece, makes it can be at night luminous location, and the user of being convenient for can find corresponding button fast accurately under dim environment.

Preferably, a limiting clamping groove matched with the silica gel pressing head is formed in the top end of the plastic surface shell, so that the silica gel pressing head can be limited and guided.

Preferably, the inside of horizontal heat dissipation pipe fitting, vertical heat dissipation pipe fitting and reservation movable chamber are linked together, make it be convenient for to install the electron component such as conductive carbon particle body and circuit board's reservation movable chamber and ventilate the heat dissipation.

Preferably, a connecting block is fixed between the two sides of the circuit board and the inner wall of the plastic surface shell, and a connecting spring is uniformly arranged between the connecting block and the silica gel pressing head, so that the silica gel pressing head can return automatically.

Preferably, the two sides of the sealing holding groove of one end of the water stop belt far away from the silica gel pressing head are uniformly provided with ventilation holes, so that the water stop belt is convenient to realize the full-surrounding high-efficiency sealing function.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the novel double-layer silica gel key, the performance of the key structure is optimized by installing the silica gel pressing head, the plastic face shell and the like, on one hand, the waterproof and dampproof protection of the key structure can be realized by winding the water stop belt fixed on the inner side wall of the sealing containing groove on the outer side wall of the silica gel pressing head, when accidental water splashing is avoided, liquid flows into the electronic element in the reserved movable cavity along with the pressing gap between the silica gel pressing head and the plastic face shell to cause burning of the electronic element, the sealing containing groove is utilized, the water stop belt which moves along with the pressing of the silica gel pressing head is conveniently contained, the full-surrounding high-efficiency sealing function is conveniently realized, on the other hand, ventilation holes are uniformly formed in the two sides of the water stop belt, which are far away from the sealing containing groove at one end of the silica gel pressing head, so that water bodies which are convenient to fall accidentally are discharged and evaporated, and the water body accumulation is avoided to cause mildew;

(2) According to the novel double-layer silica gel key, the structure of the key structure is optimized by installing the transverse heat dissipation pipe fitting, the second silica gel sealing ring and the like, on one hand, the first silica gel sealing ring and the second silica gel sealing ring which are matched with the silica gel pressing head are sequentially arranged on the upper part of the plastic surface shell, compared with a single silica gel sealing structure, the double-layer silica gel key structure realizes double-layer silica gel sealing treatment, optimizes the dustproof protection effect, and on the other hand, the transverse heat dissipation pipe fitting and the vertical heat dissipation pipe fitting which are communicated with the inside of the reserved movable cavity are distributed at the bottom of the plastic surface shell, so that ventilation and heat dissipation are conveniently carried out on the reserved movable cavity for accommodating electronic elements such as conductive carbon particles and a circuit board, the heat loss influence during operation of the key structure is reduced, and the problem of damage to the electronic elements caused by heat accumulation is solved;

(3) This novel double-deck silica gel button is through installing location night light piece and transparent silica gel piece etc for when button structure body actual operation, inlay the composite structure body that has location night light piece and transparent silica gel piece to constitute through the top in silica gel press head inside, both guaranteed the compliance when button structure body presses the operation, can give out light the location at night again, convenient to use person can find corresponding button under dim environment fast accurately.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of a rear view of a lateral heat dissipating tube according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic view showing a bottom partial sectional structure of the silica gel pressing head according to the present utility model.

In the figure: 1. a silica gel pressing head; 2. a plastic face shell; 3. a connecting spring; 4. a lateral heat dissipation pipe fitting; 5. conductive carbon particles; 6. a circuit board; 7. reserving a movable cavity; 8. vertical heat dissipation pipe fittings; 9. a first silica gel sealing ring; 10. a second silica gel sealing ring; 11. sealing the accommodating groove; 12. a water stop; 13. ventilation holes; 14. a transparent silica gel sheet; 15. and positioning the luminous sheet.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the novel double-layer silica gel key comprises a plastic face shell 2, conductive carbon particles 5 and a water stop belt 12, wherein a silica gel pressing head 1 is movably connected to the top end inside the plastic face shell 2;

a first silica gel sealing ring 9 and a second silica gel sealing ring 10 are sequentially arranged between the silica gel pressing head 1 and the plastic surface shell 2 from top to bottom;

a sealing accommodating groove 11 is formed in the plastic surface shell 2 below the second silica gel sealing ring 10, and a water stop belt 12 is connected between the outer side wall of the silica gel pressing head 1 and the inner side wall of the sealing accommodating groove 11;

the conductive carbon particle 5 is arranged at the middle position of the bottom of the silica gel pressing head 1, a reserved movable cavity 7 matched with the silica gel pressing head 1 is arranged in the plastic surface shell 2, and a circuit board 6 matched with the conductive carbon particle 5 is arranged at the bottom end of the reserved movable cavity 7;

a horizontal heat dissipation pipe fitting 4 and a vertical heat dissipation pipe fitting 8 matched with the reserved movable cavity 7 are uniformly distributed on the plastic surface shell 2 below the circuit board 6;

a transparent silica gel piece 14 is inlaid at the top end of the inside of the silica gel pressing head 1, and a positioning night light piece 15 is bonded at the bottom end of the inside of the transparent silica gel piece 14;

when the novel silica gel pressing head is used, the composite structure body formed by the positioning night light piece 15 and the transparent silica gel piece 14 is embedded at the top end inside the silica gel pressing head 1, so that not only is the softness of the key structure body ensured during pressing operation, but also the novel silica gel pressing head can emit light and position at night, and a user can conveniently and rapidly find out a corresponding key in a dim environment;

a limiting clamping groove matched with the silica gel pressing head 1 is formed in the top end inside the plastic surface shell 2; the silica gel pressing head 1 can be limited and guided, so that the pressing operation is convenient;

the transverse heat dissipation pipe fitting 4, the vertical heat dissipation pipe fitting 8 and the interior of the reserved movable cavity 7 are communicated;

when the electronic component is used, the transverse heat dissipation pipe fitting 4 and the vertical heat dissipation pipe fitting 8 which are communicated with the inside of the reserved movable cavity 7 are distributed at the bottom of the plastic surface shell 2, so that ventilation and heat dissipation are conveniently carried out on the reserved movable cavity 7 provided with the electronic components such as the conductive carbon particles 5, the circuit board 6 and the like, the heat loss influence during the operation of the key structure is reduced, and the problem of electronic component damage caused by heat accumulation is solved;

connecting blocks are fixed between two sides of the circuit board 6 and the inner wall of the plastic surface shell 2, and connecting springs 3 are uniformly arranged between the connecting blocks and the silica gel pressing head 1;

when in use, the connecting spring 3 is utilized, so that the silica gel pressing head 1 can return automatically;

the two sides of the sealing accommodation groove 11 at one end of the water stop belt 12 far away from the silica gel pressing head 1 are uniformly provided with ventilation holes 13;

during the use, on the one hand through the lateral wall winding at silica gel press head 1 have with the fixed waterstop 12 of sealed holding tank 11 inside wall, both can realize the dampproofing and waterproofing protection to the button structure body, when avoiding unexpected water splashing, liquid flows into the electronic component who reserves the inside of movable chamber 7 along with the pressing gap between silica gel press head 1 and the plastics face-piece 2 and causes it to burn out, utilize sealed holding tank 11 again, be convenient for hold the waterstop 12 along with silica gel press head 1 press motion, be convenient for realize the high-efficient sealing function of full surrounding, on the other hand through keeping away from the both sides of silica gel press head 1 one end sealed holding tank 11 at waterstop 12 all evenly be provided with bleeder vent 13, the water that the accident of being convenient for falls into discharges, evaporate, avoid the water to store and cause the mould.

When the embodiment of the application is used, the following steps are adopted: through the first silica gel sealing ring 9 and the second silica gel sealing ring 10 which are matched with the silica gel pressing head 1 are sequentially arranged on the upper part of the plastic surface shell 2, compared with a single silica gel sealing structure, double-layer silica gel sealing treatment is realized, dustproof protection effect is optimized, and on one hand, the waterproof and moistureproof protection of a key structure body can be realized through the water stop belt 12 which is wound on the outer side wall of the silica gel pressing head 1 and fixed on the inner side wall of the sealing accommodating groove 11, when accidental water splashing is avoided, liquid flows into an electronic element in the reserved movable cavity 7 along with the pressing gap between the silica gel pressing head 1 and the plastic surface shell 2 to burn the electronic element, the sealing accommodating groove 11 is utilized, the water stop belt 12 which moves along with the pressing of the silica gel pressing head 1 is convenient to accommodate, and the full-surrounding high-efficiency sealing function is convenient to realize, on the other hand, through evenly arranging the ventilation holes 13 on both sides of the sealing containing groove 11 at the end of the water stop belt 12 far away from the silica gel pressing head 1, water which accidentally falls into is discharged and evaporated, mildew is avoided from being accumulated in the water, meanwhile, through arranging the transverse heat dissipation pipe fitting 4 and the vertical heat dissipation pipe fitting 8 which are communicated with the inside of the reserved movable cavity 7 at the bottom of the plastic face shell 2, ventilation and heat dissipation are conveniently carried out on the reserved movable cavity 7 which is provided with the electronic components such as the conductive carbon particle 5, the circuit board 6 and the like, the heat loss influence during the operation of the key structure is reduced, the problem of damage to the electronic components caused by heat accumulation is alleviated, in addition, through embedding the composite structure formed by the positioning night light sheet 15 and the transparent silica gel sheet 14 at the top end inside the silica gel pressing head 1, the softness during the pressing operation of the key structure is ensured, and the night light emission positioning is also realized, so that a user can conveniently use in a dim environment, the corresponding key can be found out quickly and accurately.

Claims (6)

1. Novel double-deck silica gel button, a serial communication port, including plastic face-piece (2), electrically conductive carbon particle (5) and waterstop (12), inside top swing joint of plastic face-piece (2) has silica gel press head (1), from the top down has set gradually first silica gel sealing washer (9) and second silica gel sealing washer (10) between silica gel press head (1) and plastic face-piece (2), inside sealed holding tank (11) that are provided with of plastic face-piece (2) of second silica gel sealing washer (10) below, waterstop (12) are connected between the lateral wall of silica gel press head (1) and the inside wall of sealed holding tank (11), electrically conductive carbon particle (5) are installed in the intermediate position department of silica gel press head (1) bottom, the inside of plastic face-piece (2) is provided with reserves movable chamber (7) with silica gel press head (1) assorted, inside bottom installation and electrically conductive carbon particle (5) assorted circuit board (6), evenly be equipped with on circuit board (6) below plastic face-piece (2) and reserve movable chamber (8) and the horizontal pipe fitting of heat dissipation.

2. The novel double-layer silica gel key according to claim 1, wherein: the top inside of silica gel press head (1) is inlayed and is had transparent silica gel piece (14), the inside bottom of transparent silica gel piece (14) bonds and has location night light piece (15).

3. The novel double-layer silica gel key according to claim 1, wherein: the top inside the plastic face shell (2) is provided with a limit clamping groove matched with the silica gel pressing head (1).

4. The novel double-layer silica gel key according to claim 1, wherein: the inside of horizontal heat dissipation pipe fitting (4), vertical heat dissipation pipe fitting (8) and reservation movable chamber (7) are linked together.

5. The novel double-layer silica gel key according to claim 1, wherein: connecting blocks are fixed between the two sides of the circuit board (6) and the inner wall of the plastic surface shell (2), and connecting springs (3) are uniformly arranged between the connecting blocks and the silica gel pressing head (1).

6. The novel double-layer silica gel key according to claim 1, wherein: the two sides of the water stop belt (12) far away from the sealed accommodating groove (11) at one end of the silica gel pressing head (1) are uniformly provided with ventilation holes (13).