CN112382523B - Waterproof dustproof type tact switch - Google Patents
Waterproof dustproof type tact switch Download PDFInfo
- Publication number
- CN112382523B CN112382523B CN202011369129.1A CN202011369129A CN112382523B CN 112382523 B CN112382523 B CN 112382523B CN 202011369129 A CN202011369129 A CN 202011369129A CN 112382523 B CN112382523 B CN 112382523B
- Authority
- CN
- China
- Prior art keywords
- block
- tact switch
- fixedly connected
- round
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 18
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims 4
- 238000007789 sealing Methods 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a waterproof dustproof tact switch which comprises a shell, wherein contacts are arranged on two sides of the shell, a slot is formed in the shell, a pressing block is connected in the slot in a sliding mode, a bottom block is arranged on the lower surface of the pressing block, a sliding groove is formed in the shell, a side block is fixedly connected with the side wall of the pressing block, a convex groove is formed in the side block, and a fixing column is fixedly connected in the sliding groove. According to the invention, the round block vertically moves downwards in the chute along with the pushing of the cross rod under the pushing of the loop bar, so that the round rod moves in the round groove, the end part of the round rod is abutted against the end part of the sealing film piece, the sealing film piece is pressed downwards by the force received by the round rod to compress the sealing film piece, the sealing film piece has good elasticity, the bottom block is abutted against the sealing film piece until the bottom block presses the metal reed to be in contact with the contact when moving in the slot, and the two ends of the sealing film piece cannot shrink to influence the sealing effect.
Description
Technical Field
The invention relates to the technical field of motor devices, in particular to a waterproof and dustproof type tact switch.
Background
The switch is called a key switch, the switch function is pressed to be closed and connected in the switch operation direction under the condition of meeting the operation force when the key switch is used in japan at the earliest time, and the switch is opened when the pressure is removed, and the internal structure of the key switch is switched on and off by the stress change of the metal elastic sheet. The tact switch has the 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 examine pens, laser pen keys, and the like. Because the touch switch is directly replaced by conductive rubber or a metal spring piece of the dome switch for large-scale equipment and high-load buttons under environmental conditions, such as medical equipment, television remote controllers and the like.
The waterproof performance of the traditional tact switch cannot be adapted to a severe environment.
Disclosure of Invention
The invention aims at: in order to solve the above problems, a waterproof and dustproof type tact switch is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a waterproof dustproof type tact switch, includes the casing, the both sides of casing are equipped with the contact, the fluting has been seted up in the casing, sliding connection has the pressing block in the fluting, the lower surface of pressing block is equipped with the bottom block, the spout has been seted up in the casing, the lateral wall fixedly connected with side piece of pressing block, the tongue has been seted up in the side piece, fixedly connected with fixed column in the spout, the cover is equipped with spring one on the fixed column, the fixed column butt has the dwang, one side tip of dwang is equipped with the lug, the opposite side tip swivelling joint of dwang has the slider, the lower surface swivelling joint of slider has the connecting rod, the cover is equipped with swivelling joint's loop bar on the connecting rod, the tip swivelling joint of connecting rod has the stopper, the connecting block cover is equipped with the horizontal pole, fixedly connected with in the spout, the tip of running through the horizontal pole, fixedly connected with stopper on the horizontal pole, the lower surface swivelling joint of horizontal pole has square block swivel arm, spout sliding connection has the spring one side, the second round contact has the spring, the round contact has the casing, the round contact has the round contact, the round contact has the round contact in the casing, the round contact has the round contact.
As a further description of the above technical solution:
the chute is communicated with the slot.
As a further description of the above technical solution:
one end of the first spring is welded on the inner wall of the chute, and the other end of the first spring is welded on the rotating rod.
As a further description of the above technical solution:
the side wall of fixture block respectively with the upper and lower surface butt of horizontal pole.
As a further description of the above technical solution:
the round rod slides in the round groove.
As a further description of the above technical solution:
the loop bar penetrates through the cross bar.
As a further description of the above technical solution:
the lateral wall butt stopper of connecting block.
As a further description of the above technical solution:
the upper parts of the contacts are welded at the two ends of the metal reed respectively, and the metal reed is arc-shaped.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the round block vertically moves downwards in the chute along with the pushing of the cross rod under the pushing of the loop bar, so that the round rod moves in the round groove, the end part of the round rod is abutted against the end part of the sealing film piece, the sealing film piece is pressed downwards by the force received by the round rod to compress the sealing film piece, the sealing film piece has good elasticity, the bottom block is abutted against the sealing film piece until the bottom block presses the metal reed to be in contact with the contact when moving in the slot, and the two ends of the sealing film piece cannot shrink to influence the sealing effect.
2. According to the invention, the fixed column is abutted with the rotating rod, when the rotating rod rotates under the limit of the first spring, the protruding block fixedly connected with the end part of the rotating rod stretches into the protruding groove of the side block, and when the side block moves in the sliding groove, the rotating rod drives the sliding block to vertically move downwards in the sliding groove together, so that the connecting rod is driven to push the connecting block to move in the vertical direction, and the cross rod is limited by the vertical rod to move in the vertical direction.
Drawings
Fig. 1 is a schematic top view of a touch switch of a waterproof and dustproof touch switch according to the present invention;
fig. 2 is a schematic diagram of the internal structure of a touch switch of the waterproof and dustproof touch switch according to the present invention;
fig. 3 is an enlarged schematic diagram of a structure a of a waterproof and dustproof tact switch according to the present invention;
fig. 4 is a schematic side block structure of a waterproof and dustproof tact switch according to the present invention;
legend description:
1. a housing; 2. a contact; 3. pressing the blocks; 4. slotting; 5. a bottom block; 6. a chute; 7. a side block; 8. a convex groove; 9. fixing the column; 10. a first spring; 11. a rotating lever; 12. a bump; 13. a slide block; 14. a connecting rod; 15. a connecting block; 16. a loop bar; 17. a clamping block; 18. a cross bar; 19. a vertical rod; 20. a limiting block; 21. a rotating arm; 22. a square block; 23. a second spring; 24. round blocks; 25. a round bar; 26. a circular groove; 27. a third spring; 28. sealing the film sheet; 29. a touch groove; 30. a metal reed.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a waterproof and dustproof tact switch comprises a housing 1, contacts 2 are arranged on two sides of the housing 1, a slot 4 is formed in the housing 1, a pressing block 3 is connected in the slot 4 in a sliding manner, a bottom block 5 is arranged on the lower surface of the pressing block 3, a sliding slot 6 is formed in the housing 1, the sliding slot 6 is communicated with the slot 4, a side block 7 is fixedly connected with the side wall of the pressing block 3, a convex slot 8 is formed in the side block 7, a fixed column 9 is fixedly connected in the sliding slot 6, a first spring 10 is sleeved on the fixed column 9 and is abutted to a rotating rod 11, one end of the first spring 10 is welded on the inner wall of the sliding slot 6, the other end of the first spring is welded on the rotating rod 11, a bump 12 is arranged at one end of the rotating rod 11, a sliding block 13 is connected at the other end of the rotating rod 11, a connecting rod 14 is connected in a rotating manner on the lower surface of the sliding block 13, a sleeve rod 16 connected in a rotating manner is sleeved on the connecting rod 14, the end part of the connecting rod 14 is rotationally connected with a connecting block 15, a clamping block 17 is fixedly connected on the loop bar 16, a cross bar 18 is sleeved on the connecting block 15, the loop bar 16 penetrates through the cross bar 18, the side wall of the clamping block 17 is respectively abutted against the upper surface and the lower surface of the cross bar 18, a vertical rod 19 is fixedly connected in the sliding groove 6, the vertical rod 19 penetrates through the end part of the cross bar 18, a limiting block 20 is fixedly connected on the cross bar 18, the side wall of the connecting block 15 is abutted against the side wall of the limiting block 20, the lower surface of the cross bar 18 is rotationally connected with a rotating arm 21, a square block 22 is slidingly connected with the sliding groove 6, the side wall of the square block 22 is abutted against a spring II 23, the side wall of the cross bar 18 is fixedly connected with a round block 24, the lower surface of the round block 24 is fixedly connected with a round bar 25, a round groove 26 is formed in the shell 1, the round bar 25 slides in the round groove 26, a spring III 27 is sleeved outside the round bar 25, and the force given to the round block 24 by the spring III 27 makes the round block 24 move in the vertical direction, when the pressing block 3 is not subjected to external force, the spring III 27 pushes the round block 24 to return to the original position, the sealing film piece 28 is arranged at the bottom of the groove 4, the contact groove 29 is formed in the shell 1, the contact groove 29 is internally provided with the contact 2, the contact 2 is provided with the metal reed 30, the two ends of the metal reed 30 are respectively welded with the upper parts of the contact 2, the metal reed 30 is arc-shaped, the metal reed 30 has elasticity, and the metal reed 30 is abutted with the sealing film piece 28 until the metal reed 30 is connected with the contact 2 in the middle when the metal reed 30 is pressed along with the movement of the bottom block 5, so that the contact 2 of the tact switch is communicated, and the opening of the tact switch can be realized.
Working principle: when the sealing membrane is used, the pressing block 3 is pressed, the pressing block 3 vertically moves downwards in the groove 4, the side block 7 fixedly connected with the side wall of the pressing block 3 moves along with the pressing block 3, the convex groove 8 in the side block 7 moves to be abutted against the convex block 12 of the rotating rod 11, the rotating rod 11 drives the sliding block 13 to move downwards, one end of the connecting rod 14 is pushed to rotate when the sliding block 13 moves, the connecting block 15 is hinged to the other end of the connecting rod 14, the connecting block 15 slides on the cross rod 18 between the limiting blocks 20, the sleeve rod 16 sleeved on the connecting block 15 slides on the connecting block 15, the sleeve rod 16 simultaneously pushes the cross rod 18 to move downwards, the round block 24 moves downwards along with the cross rod 18 in the vertical direction, the rotating arm 21 rotates, the spring II 23 compresses, the round rod 25 moves in the round groove 26 until the end of the round rod 25 abuts against the sealing membrane 28, the spring III 27 compresses, the bottom block 5 abuts against the sealing membrane 28 until the bottom block 5 moves to press the metal reed 30 to be contacted with the contact point 2 in the middle part, the light switch is opened, and the two ends of the sealing membrane 28 can stably enter the sealing membrane under the pressing of the round rod 25, so that the sealing membrane can stably enter the outside water flow.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a waterproof dustproof type tact switch, includes casing (1), its characterized in that, both sides of casing (1) are equipped with contact (2), open slot (4) have been seted up in casing (1), sliding connection has press block (3) in slot (4), the lower surface of press block (3) is equipped with bottom block (5), spout (6) have been seted up in casing (1), lateral wall fixedly connected with side block (7) of press block (3), protruding groove (8) have been seted up in side block (7), fixedly connected with fixed column (9) in spout (6), the cover is equipped with spring one (10) on fixed column (9), fixed column (9) butt has dwang (11), one side tip of dwang (11) is equipped with lug (12), the opposite side tip rotation of dwang (11) is connected with slider (13), the lower surface rotation of slider (13) is connected with connecting rod (14), the cover is equipped with cover on connecting rod (14) and rotates sleeve rod (16), be equipped with connecting rod (16) on connecting rod (15), fixedly connected with montant (19) in spout (6), the tip of horizontal pole (18) is run through to montant (19), fixedly connected with stopper (20) on horizontal pole (18), the lower surface rotation of horizontal pole (18) is connected with rotor arm (21), spout (6) sliding connection has square (22), the lateral wall butt of square (22) has spring two (23), the lateral wall fixedly connected with button (24) of horizontal pole (18), the lower surface fixedly connected with round bar (25) of button (24), circular slot (26) have been seted up in casing (1), round bar (25) overcoat is equipped with spring three (27), the bottom of fluting (4) is equipped with sealed film piece (28), touch groove (29) have been seted up in casing (1), be equipped with contact (2) in touch groove (29), be equipped with metal reed (30) on contact (2).
2. A water and dust resistant tact switch in accordance with claim 1, characterized in that the chute (6) is in communication with the slot (4).
3. A waterproof and dustproof tact switch according to claim 1, characterized in that one end of the first spring (10) is welded to the inner wall of the chute (6) and the other end is welded to the rotating rod (11).
4. A waterproof and dustproof tact switch according to claim 1, characterized in that the side walls of the clamping block (17) are respectively abutted against the upper and lower surfaces of the cross bar (18).
5. A water and dust resistant tact switch in accordance with claim 1, characterized in that the round bar (25) slides in a round groove (26).
6. A water and dust resistant tact switch in accordance with claim 1 wherein said loop bar (16) extends through the cross bar (18).
7. A water and dust proof tact switch in accordance with claim 1, characterized in that the side wall of the connecting block (15) abuts the side wall of the stopper (20).
8. The waterproof and dustproof tact switch according to claim 1, wherein both ends of the metal reed (30) are respectively welded with the upper parts of the contacts (2), and the metal reed (30) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011369129.1A CN112382523B (en) | 2020-11-30 | 2020-11-30 | Waterproof dustproof type tact switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011369129.1A CN112382523B (en) | 2020-11-30 | 2020-11-30 | Waterproof dustproof type tact switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112382523A CN112382523A (en) | 2021-02-19 |
| CN112382523B true CN112382523B (en) | 2024-02-27 |
Family
ID=74587449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011369129.1A Active CN112382523B (en) | 2020-11-30 | 2020-11-30 | Waterproof dustproof type tact switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112382523B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0328850A2 (en) * | 1988-02-16 | 1989-08-23 | TSCHUDIN & HEID AG | Splash proof push button switch |
| CN2613866Y (en) * | 2003-03-05 | 2004-04-28 | 陈庆邦 | Water-proof, dust-proof and oil dirt-proof light-touch switch |
| CN102568888A (en) * | 2011-10-19 | 2012-07-11 | 吴乐敏 | Waterproof light touch switch |
| CN207883564U (en) * | 2018-01-31 | 2018-09-18 | 河南新静亚米电子科技有限公司 | A kind of touch-switch of dust and moisture |
| CN208045367U (en) * | 2018-04-23 | 2018-11-02 | 东莞市邻邦电子科技有限公司 | A kind of touch-switch |
| CN209880437U (en) * | 2019-01-18 | 2019-12-31 | 青岛朗正电子科技有限公司 | Cube durable type light touch switch |
| CN210325593U (en) * | 2019-10-10 | 2020-04-14 | 东莞市谊嘉电子科技有限公司 | Waterproof type film dabs switch |
-
2020
- 2020-11-30 CN CN202011369129.1A patent/CN112382523B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0328850A2 (en) * | 1988-02-16 | 1989-08-23 | TSCHUDIN & HEID AG | Splash proof push button switch |
| CN2613866Y (en) * | 2003-03-05 | 2004-04-28 | 陈庆邦 | Water-proof, dust-proof and oil dirt-proof light-touch switch |
| CN102568888A (en) * | 2011-10-19 | 2012-07-11 | 吴乐敏 | Waterproof light touch switch |
| CN207883564U (en) * | 2018-01-31 | 2018-09-18 | 河南新静亚米电子科技有限公司 | A kind of touch-switch of dust and moisture |
| CN208045367U (en) * | 2018-04-23 | 2018-11-02 | 东莞市邻邦电子科技有限公司 | A kind of touch-switch |
| CN209880437U (en) * | 2019-01-18 | 2019-12-31 | 青岛朗正电子科技有限公司 | Cube durable type light touch switch |
| CN210325593U (en) * | 2019-10-10 | 2020-04-14 | 东莞市谊嘉电子科技有限公司 | Waterproof type film dabs switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112382523A (en) | 2021-02-19 |
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