CN219979386U

CN219979386U - Waterproof and dustproof tact switch

Info

Publication number: CN219979386U
Application number: CN202320556539.XU
Authority: CN
Inventors: 杨超
Original assignee: Yueqing Cnrjc Electric Co ltd
Current assignee: Yueqing Cnrjc Electric Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-11-07
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a waterproof and dustproof tact switch which comprises a base, a cover plate, an inner button, keys and a key cap, wherein the cover plate is arranged on the base; the utility model can prevent dust or dirt from entering the switch button, and avoid the situation that contacts and reeds in the switch are in poor contact and short circuit, so that related electric appliances and instruments cannot be used normally.

Description

Waterproof and dustproof tact switch

Technical Field

The utility model relates to the technical field of electronic devices, in particular to a waterproof and dustproof tact switch.

Background

The tact switch is used as a commonly used electronic component and is applied to control panels of household appliances and industrial electronic instruments, particularly, household appliances and instruments such as electronic scales, washing machines, range hoods, electric cookers and the like can be contacted with water, dust and greasy dirt in the use process, and when the dust or dirt enters the interior, poor contact and short circuit of contacts and reeds in the switch occur, so that the related appliances and instruments cannot be used normally.

Disclosure of Invention

The utility model aims to provide a waterproof and dustproof tact switch, which can prevent dust or dirt from entering a switch button and avoid the condition that contacts and reeds in the switch are in poor contact and short circuit, so that related electric appliances and instrument equipment cannot be used normally.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waterproof dirt-proof dab switch, includes base, apron, interior button, button and key cap, the apron is installed on the base, button one end is connected the other end card of key cap and is joined in marriage on the apron, interior button is installed in the base, the opening part on the base is equipped with the seal groove, it is equipped with a plurality of sealing layers to press from both sides between apron and the seal groove, the sealing layer inlays and establishes in the seal groove.

Through adopting above-mentioned technical scheme, offer the seal groove on the base, inlay a plurality of sealing layers and establish in the seal groove, through the closing force when apron and base locking state for the sealing layer is stable sealed effect off the shelf, can prevent dust or filth get into shift knob in, avoid contact and reed in the switch to appear contacting failure and the condition of short circuit, cause unable normal use of relevant electrical apparatus and instrument and equipment, play and have better protection effect to spare part in the base.

The sealing layer comprises a dust-proof layer and a waterproof layer, the waterproof layer is arranged at the bottom of the sealing groove, the dust-proof layer is arranged between the waterproof layer and the cover plate, and the dust-proof layer, the waterproof layer and the cover plate are tightly abutted.

Through adopting above-mentioned technical scheme, install the waterproof layer in the spacing groove bottom, play the waterproof effect in bottom, establish the dust layer on the waterproof layer, prevent that the dust that can the greater degree from dropping and getting into in the base, reduce the pollution of dust to the waterproof layer simultaneously, play better waterproof dustproof effect.

The utility model further provides that a sealing flange is arranged on one side, close to the dust-proof layer, of the cover plate, and the sealing flange abuts against the end face of the dust-proof layer.

Through adopting above-mentioned technical scheme, set up sealing flange on the apron, when assembling with base mounting, can produce better dynamics that supports tight seal to the sealing layer, better fixed effect to the sealing layer.

The utility model is further characterized in that the key is provided with an illuminating lamp, the key is internally provided with a mounting channel, the bottom of the mounting channel is provided with a mounting seat for placing the illuminating lamp, and the illuminating lamp is embedded in the mounting seat.

Through adopting above-mentioned technical scheme, play the effect of illumination when using, have better demonstration effect, overall structure is simple, simple to operate.

The utility model is further characterized in that a plurality of first limiting channels communicated with the mounting channels are formed in the key, a plurality of second limiting channels are formed in one side, facing the base, of the cover plate, a plurality of first connecting portions, second connecting portions, third connecting portions and fourth connecting portions are sequentially connected to the illuminating lamp, one end of each first connecting portion is connected to the illuminating lamp, the other end of each first connecting portion extends into the corresponding first limiting channel, the third connecting portions are connected with the second connecting portions and are arranged in the second limiting channels, and one end of each fourth connecting portion is connected to the third connecting portions and extends towards one side of the base.

Through adopting above-mentioned technical scheme, through first spacing passageway and the spacing passageway of second, arrange first connecting portion, second connecting portion, third connecting portion and fourth connecting portion and bypass the sealing layer, avoid the connection structure of light to produce with the sealing layer and interfere, overall structure is simple, simple to operate.

The utility model is further characterized in that a plurality of riveting columns are arranged on the base, positioning holes matched with the riveting columns are formed in the cover plate, and the cover plate is tightly pressed on the riveting columns through the positioning holes.

Through adopting above-mentioned technical scheme, through the mode of riveting with apron and base mutually support, overall structure is more firm, simple to operate.

The waterproof layer is further provided with a pressure conducting sheet in a clamping mode between the inner button and the waterproof layer, a first positioning flange and a second positioning flange are arranged on the pressure conducting sheet, the first positioning flange is abutted against the waterproof layer, and the second positioning flange is abutted against the inner button.

By adopting the technical scheme, the pressure conducting sheet is clamped between the inner button and the waterproof layer, so that the effect of transmitting the pressing force is increased.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

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

In the figure: 1. a base; 2. a cover plate; 3. an inner button; 4. a key; 5. a key cap; 6. sealing grooves; 7. a sealing layer; 8. a dust-proof layer; 9. a waterproof layer; 10. a sealing flange; 11. a lighting lamp; 12. a mounting channel; 13. a mounting base; 14. a first limiting channel; 15. the second limiting channel; 16. a first connection portion; 17. a second connecting portion; 18. a third connecting portion; 19. a fourth connecting portion; 20. riveting a column; 21. positioning holes; 22. a pressure conductive sheet; 23. a first positioning flange; 24. and a second locating flange.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Examples: as shown in fig. 1-3, a waterproof and dustproof tact switch comprises a base 1, a cover plate 2, an inner button 3, a key 4 and a key cap 5, wherein the cover plate 2 is arranged on the base 1, one end of the button is connected with the other end of the key cap 5 and is clamped on the cover plate 2, the inner button 3 is arranged in the base 1, a sealing groove 6 is arranged at an opening of the base 1, a plurality of sealing layers 7 (particularly 2 layers) are clamped between the cover plate 2 and the sealing groove 6, the sealing layer 7 is embedded in the sealing groove 6, the base 1 is provided with the sealing groove 6, a plurality of sealing layers 7 are embedded in the sealing groove 6, and the sealing effect is stabilized by the pressing force of the cover plate 2 and the base 1 in a locking state, so that dust or dirt can be prevented from entering the switch button, the condition that contact failure and short circuit of contacts and reeds in the switch are caused, related electrical appliances and instrument equipment cannot be normally used, and parts in the base 1 are well protected.

As shown in fig. 2, the sealing layer 7 includes a dust-proof layer 8 and a waterproof layer 9, the waterproof layer 9 is installed at the bottom of the sealing groove 6, the dust-proof layer 8 is installed between the waterproof layer 9 and the cover plate 2, the three are tightly propped against each other, the waterproof layer 9 is installed at the bottom of the limiting groove, the waterproof effect of the bottom is achieved, the dust-proof layer 8 is arranged on the waterproof layer 9, dust can be prevented from falling into the base 1 to a greater extent, meanwhile, the pollution of the dust to the waterproof layer 9 is reduced, and a good waterproof and dustproof effect is achieved.

As shown in fig. 2, a sealing flange 10 (as an integral structure) is disposed on one side of the cover plate 2 near the dust layer 8, the sealing flange 10 includes a left sealing flange 10 and a right sealing flange 10, a second limiting channel 15 is disposed between the left sealing flange 10 and the right sealing flange 10, the sealing flange 10 abuts against an end surface of the dust layer 8, the sealing flange 10 is disposed on the cover plate 2, and when the cover plate is assembled with the base 1, a better sealing force can be generated against the sealing layer 7, and a better fixing effect is achieved on the sealing layer 7.

As shown in fig. 2, the illuminating lamp 11 is arranged on the key 4, the installation channel 12 is arranged in the key 4, the installation seat 13 (as an integral structure) for placing the illuminating lamp 11 is arranged at the bottom of the installation channel 12, the illuminating lamp 11 is embedded in the installation seat 13, and the illuminating lamp has a good illuminating effect when in use, and has a simple integral structure and convenient installation.

As shown in fig. 2, the key 4 is provided with a plurality of first limiting channels 14 communicated with the mounting channel 12, the cover plate 2 is provided with a plurality of second limiting channels 15 towards one side of the base 1, the lighting lamp 11 is sequentially connected with a plurality of first connecting portions 16, second connecting portions 17, third connecting portions 18 and fourth connecting portions 19 (as an integral structure), one end of each first connecting portion 16 is connected to the lighting lamp 11, the other end of each first connecting portion extends into the corresponding first limiting channel 14, each third connecting portion 18 is connected with a second connecting portion 17 and is arranged in the corresponding second limiting channel 15, one end of each fourth connecting portion 19 is connected to the corresponding third connecting portion 18 and extends towards one side of the base 1, the sealing layer 7 is arranged and bypassed through the corresponding first limiting channel 14 and the corresponding second limiting channel 15, the connecting portions 16, the corresponding second connecting portions 17, the corresponding third connecting portions 18 and the corresponding fourth connecting portions 19 are arranged, the connecting structure of the lighting lamp 11 is prevented from interfering with the sealing layer 7, and the whole structure is simple, and the installation is convenient.

As shown in fig. 1, the base 1 is provided with a plurality of riveting columns 20 (as an integral structure), the cover plate 2 is provided with positioning holes 21 matched with the riveting columns 20, the cover plate 2 is tightly pressed on the riveting columns 20 through the positioning holes 21, and the cover plate 2 and the base 1 are mutually mounted and matched in a riveting manner, so that the integral structure is firmer and the mounting is convenient.

As shown in fig. 3, a pressure conducting sheet 22 is sandwiched between the inner button 3 and the waterproof layer 9, a first positioning flange 23 and a second positioning flange 24 are provided on the pressure conducting sheet 22, the first positioning flange 23 is tightly abutted on the waterproof layer 9, the second positioning flange 24 is tightly abutted on the inner button 3, and the pressure conducting sheet 22 is sandwiched between the inner button 3 and the waterproof layer 9, so that the effect of transmitting the pressing force is increased.

Claims

1. The utility model provides a waterproof dirt-proof tact switch, includes base (1), apron (2), interior button (3), button (4) and key cap (5), apron (2) are installed on base (1), button one end connection key cap (5) other end block is joined in marriage on apron (2), interior button (3) are installed in base (1), its characterized in that; the opening part on base (1) is equipped with seal groove (6), it is equipped with a plurality of sealing layers (7) to press from both sides between apron (2) and seal groove (6), sealing layer (7) inlay and establish in seal groove (6).

2. A waterproof and dustproof tact switch according to claim 1, characterized in that: the sealing layer (7) comprises a dustproof layer (8) and a waterproof layer (9), the waterproof layer (9) is arranged at the bottom of the sealing groove (6), and the dustproof layer (8) is arranged between the waterproof layer (9) and the cover plate (2) and is tightly propped against the waterproof layer (9).

3. A waterproof and dustproof tact switch according to claim 2, characterized in that: a sealing flange (10) is arranged on one side, close to the dust-proof layer (8), of the cover plate (2), and the sealing flange (10) abuts against the end face of the dust-proof layer (8).

4. A waterproof and dustproof tact switch according to claim 3, characterized in that: the illuminating lamp (11) is arranged on the key (4), an installation channel (12) is formed in the key (4), an installation seat (13) for placing the illuminating lamp (11) is arranged at the bottom of the installation channel (12), and the illuminating lamp (11) is embedded in the installation seat (13).

5. The waterproof and dustproof tact switch according to claim 4, wherein: a plurality of first spacing passageway (14) that are linked together with installation passageway (12) have been seted up on button (4), a plurality of second spacing passageway (15) have been seted up towards base (1) one side on apron (2), connect gradually on light (11) and be provided with a plurality of first connecting portion (16), second connecting portion (17), third connecting portion (18) and fourth connecting portion (19), first connecting portion (16) one end is connected on light (11), and the other end extends to in first spacing passageway (14), second connecting portion (17) are connected in third connecting portion (18) set up in second spacing passageway (15), fourth connecting portion (19) one end is connected on third connecting portion (18) and is stretched out towards base (1) one side.

6. A waterproof and dustproof tact switch according to claim 2, characterized in that: the base (1) is provided with a plurality of riveting columns (20), the cover plate (2) is provided with positioning holes (21) matched with the riveting columns (20), and the cover plate (2) is tightly pressed on the riveting columns (20) through the positioning holes (21).

7. The waterproof and dustproof tact switch according to claim 6, wherein: the waterproof button is characterized in that a pressure conducting sheet (22) is clamped between the inner button (3) and the waterproof layer (9), a first positioning flange (23) and a second positioning flange (24) are arranged on the pressure conducting sheet (22), the first positioning flange (23) is propped against the waterproof layer (9), and the second positioning flange (24) is propped against the inner button (3).