CN110416012B - Button waterproof construction and electronic equipment - Google Patents
Button waterproof construction and electronic equipment Download PDFInfo
- Publication number
- CN110416012B CN110416012B CN201910674520.3A CN201910674520A CN110416012B CN 110416012 B CN110416012 B CN 110416012B CN 201910674520 A CN201910674520 A CN 201910674520A CN 110416012 B CN110416012 B CN 110416012B
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- China
- Prior art keywords
- key
- mounting hole
- board
- circuit board
- silica gel
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- 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
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a key waterproof structure and electronic equipment, wherein the key waterproof structure comprises a metal shell, a circuit board, a silica gel key and a pressing plate, wherein a first accommodating groove is formed in the metal shell, the circuit board, the silica gel key and the pressing plate are sequentially arranged in the first accommodating groove from bottom to top, a second accommodating groove is formed in one surface, facing the metal shell, of the silica gel key, a third accommodating groove is formed in the second accommodating groove in a concave mode, the circuit board is accommodated in the second accommodating groove, a microswitch is arranged in the third accommodating groove and electrically connected with the circuit board, a button is arranged on one surface, facing the pressing plate, of the silica gel key, the button is arranged corresponding to the microswitch, the pressing plate, the silica gel key, the circuit board and the metal shell are fixed together through sunk screws, and the silica gel key is respectively contacted with the metal shell, the circuit board and the pressing plate. The waterproof performance of this button waterproof construction is better.
Description
Technical Field
The invention relates to the technical field of electronic equipment, in particular to a key waterproof structure and electronic equipment.
Background
At present, the waterproof design requirement of electronic equipment in the electronic communication industry is higher and higher, the existing button waterproof structure is designed for application scenes such as shallow water, rain and the like, and for special people who work underwater, an electronic product with the button waterproof structure cannot be used.
The special crowd of the underwater operation mainly comprises firefighters, divers and lovers who swim across and swim, the crowd usually immerses the electronic equipment in water, and the keys need to be pressed, so that higher requirements are provided for the waterproof performance of the keys.
Disclosure of Invention
An object of the present invention is to provide a waterproof structure for a key, which has better waterproof performance.
A key waterproof structure comprises a metal shell, a circuit board, a silica gel key and a pressing plate, wherein a first accommodating groove is formed in the metal shell, the circuit board, the silica gel key and the pressing plate are sequentially arranged in the first accommodating groove from bottom to top, a second accommodating groove is formed in one surface, facing the metal shell, of the silica gel key, a third accommodating groove is formed in the second accommodating groove in an inwards recessed mode, the circuit board is accommodated in the second accommodating groove, a microswitch is arranged in the third accommodating groove and electrically connected with the circuit board, a button is arranged on one surface, facing the pressing plate, of the silica gel key and corresponds to the microswitch, the pressing plate, the silica gel key, the circuit board and the metal shell are fixed together through countersunk screws, and the pressing plate is pressed on the silica gel key, applying pressure to the silica gel key to generate certain deformation so as to enhance the contact tightness of the silica gel key with the metal shell, the circuit board and the pressing plate; the silica gel key is respectively contacted with the metal shell, the circuit board and the pressing plate; the edge of silica gel button is equipped with first horizontal part, vertical part and the second horizontal part of perpendicular connection in proper order, the edge of circuit board is located first horizontal part the vertical part with the second horizontal part encloses the region of closing, the outside of first horizontal part with the clamp plate contact, promptly first horizontal part with the clamp plate produces to interfere, the outside of vertical part and the second horizontal part outside with the metal casing contact, promptly the vertical part with the metal casing produces to interfere and the second horizontal part with the metal casing produces to interfere, and the position of interfering is effectual blocks water and gets into the inside circuit of silica gel button reaches the inside of metal casing.
According to the key waterproof structure provided by the invention, the circuit board, the silica gel key and the pressing plate are arranged in the first accommodating groove of the metal shell, the silica gel key is respectively contacted with the metal shell, the circuit board and the pressing plate, the pressing plate presses the silica gel key to apply pressure to the silica gel key, the silica gel key generates certain deformation after being stressed, such deformation can strengthen silica gel button and metal casing on the basis of pressurized, the circuit board, the compactness of clamp plate contact, the cooperation countersunk screw is with the clamp plate, the silica gel button, circuit board and metal casing are together fixed, it has stronger waterproof sealing performance to have guaranteed that this button waterproof construction has, practical test shows that this button waterproof construction can realize the waterproof function of 1.5 meters under water, satisfy the special crowd's of operation under water user demand, furthermore, micro-gap switch is located the third storage tank on the silica gel button, can practice thrift the wall thickness space.
In addition, the key waterproof structure provided by the invention can also have the following additional technical characteristics:
further, be equipped with first mounting hole in the first storage tank, be equipped with the second mounting hole on the circuit board, be equipped with the third mounting hole on the silica gel button, be equipped with the fourth mounting hole on the clamp plate, first mounting hole the second mounting hole the third mounting hole the fourth mounting hole corresponds the setting, the countersunk screw passes in proper order the fourth mounting hole the third mounting hole the second mounting hole with first mounting hole, with will the clamp plate the silica gel button the circuit board with metal casing is together fixed.
Furthermore, the first mounting hole is of a non-through hole structure, and the second mounting hole, the third mounting hole and the fourth mounting hole are all of a through hole structure.
Further, button waterproof construction still includes that the board is to female seat of board, flexible circuit board and board to public end, the board is installed to public end of board on the flexible circuit board, flexible circuit board installs metal casing dorsad the one side of circuit board, be equipped with on the metal casing through fifth mounting hole, the board is installed to female seat of board the circuit board dorsad the one side of silica gel button, the board to female seat with the board is to the cooperation of public end of board, just the board to the public end of board with the board is located to female seat of board in the fifth mounting hole.
Further, the surface of the metal shell is flush with the surface of the pressure plate.
Furthermore, an avoiding groove is formed in the pressing plate, and the button is located in the avoiding groove.
Further, the pressure plate is made of high-manganese steel.
Another objective of the present invention is to provide an electronic device using the waterproof structure for a key.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a waterproof key structure according to a first embodiment of the present invention after assembly;
fig. 2 is an exploded view of the waterproof structure of the key of the first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a silicone key;
FIG. 4 is a schematic elevation view of the structure of FIG. 1;
FIG. 5 is a cross-sectional view taken along the plane A-A in FIG. 4;
fig. 6 is an enlarged view of circle II in fig. 5.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must be in a particular orientation, constructed or operated in a particular manner, and is not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 6, a waterproof structure for a key according to a first embodiment of the present invention includes a metal shell 10, a circuit board 20, a silicone key 30, a pressing plate 40, a board-to-board female seat 50, a flexible circuit board 60, and a board-to-board male end 70.
Be equipped with first storage tank 11 on metal casing 10, circuit board 20 silica gel button 30 with clamp plate 40 is in from the bottom up sets gradually in the first storage tank 11.
The board is installed to public end 70 of board on the flexible circuit board 60, the flexible circuit board 60 is installed metal casing 10 dorsad the one side of circuit board 20, be equipped with on the metal casing 10 through fifth mounting hole 13, the board is installed to female seat 50 of board circuit board 20 dorsad the one side of silica gel button 30, the board to female seat 50 with the board to the cooperation of public end 70 of board, just the board to public end 70 with the board is located to female seat 50 of board in the fifth mounting hole 13.
Because the circuit board 20, the silica gel key 30 and the pressing plate 40 are arranged in the first accommodating groove 11 of the metal shell 10, the silica gel key 30 is respectively contacted with the metal shell 10, the circuit board 20 and the pressing plate 40, the pressing plate 40 is pressed on the silica gel key 30, pressure can be applied to the silica gel key 30, the silica gel key 30 can generate certain deformation after being stressed, the contact tightness between the silica gel key 30 and the metal shell 10, the circuit board 20 and the pressing plate 40 can be enhanced on the basis of the stress due to the deformation, the pressing plate 40, the silica gel key 30, the circuit board 20 and the metal shell 10 are fixed together by matching with the countersunk head screw 90, the key waterproof structure is ensured to have stronger sealing and waterproof performances, practical tests show that the key waterproof structure can realize the waterproof function of 1.5 meters under water, and meet the use requirements of special crowds working under water, in addition, the microswitch 80 is arranged in the third accommodating groove 32 on the silica gel key 30, the wall thickness space can be saved.
In this embodiment, the pressing plate 40 is made of high-strength steel, and the strength and the water resistance are ensured.
Specifically, be equipped with first mounting hole 12 in the first storage tank 11, the quantity of first mounting hole 12 can set up according to actual conditions, does not do the restriction here, be equipped with second mounting hole 21 on the circuit board 20, be equipped with third mounting hole 34 on the silica gel button 30, be equipped with fourth mounting hole 41 on the clamp plate 40, first mounting hole 12 second mounting hole 21 third mounting hole 34 fourth mounting hole 41 corresponds the setting, countersunk screw 90 passes in proper order fourth mounting hole 41 third mounting hole 34 second mounting hole 21 with first mounting hole 12, in order will the clamp plate 40 the silica gel button 30 circuit board 20 with metal casing 10 is together fixed.
During specific implementation, the circuit board 20 is installed, the micro switch 80 and the board are clamped in the silica gel key 30 to the board mother seat 50, then the silica gel key 30 is placed in the first accommodating groove 11 on the metal shell 10, and the pressing plate 40 is pressed and then locked by the countersunk head screw 90, so that the waterproof effect of the sealing effect is guaranteed.
The first mounting hole 12 is a non-through hole structure, and the second mounting hole 21, the third mounting hole 34, and the fourth mounting hole 41 are all through hole structures. The first mounting hole 12 is a non-through hole structure, which can prevent water leakage at the screw position.
Preferably, the surface of the metal housing 10 is flush with the surface of the pressure plate 40.
Specifically, an avoiding groove 42 is formed in the pressing plate 40, and the button 33 is located in the avoiding groove 42.
In this embodiment, the edge of the silicone key 30 is provided with a first horizontal portion 301, a vertical portion 302 and a second horizontal portion 303 which are vertically connected in sequence, the edge of the circuit board 20 is located in an area enclosed by the first horizontal portion 301, the vertical portion 302 and the second horizontal portion 303, the outer side of the first horizontal portion 301 is in contact with the pressing plate 40, that is, the first horizontal portion 301 is interfered with the pressing plate 40, the outer side of the vertical portion 302 and the outer side of the second horizontal portion 303 are in contact with the metal housing 10, that is, the vertical portion 302 is interfered with the metal housing 10, and the second horizontal portion 303 is interfered with the metal housing 10, and the interference position can effectively prevent water from entering the circuit inside the key and the inside of the metal housing, thereby ensuring that the structure has good waterproof performance.
In addition, a second embodiment of the present invention provides an electronic device, which at least includes the waterproof key structure of the first embodiment, and it should be noted that the electronic device may be a mobile phone, a tablet computer, an intercom, or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A key waterproof structure is characterized by comprising a metal shell, a circuit board, a silica gel key and a pressing plate, wherein a first accommodating groove is formed in the metal shell, the circuit board, the silica gel key and the pressing plate are sequentially arranged in the first accommodating groove from bottom to top, a second accommodating groove is formed in one surface of the metal shell facing the silica gel key, a third accommodating groove is formed in the second accommodating groove in an inward concave mode, the circuit board is accommodated in the second accommodating groove, a micro switch is arranged in the third accommodating groove, the micro switch is electrically connected with the circuit board, a button is arranged on one surface of the pressing plate facing the silica gel key, the button corresponds to the micro switch, the pressing plate, the silica gel key, the circuit board and the metal shell are fixed together through a countersunk screw, and the pressing plate is pressed on the silica gel key, applying pressure to the silica gel key to generate certain deformation so as to enhance the contact tightness of the silica gel key with the metal shell, the circuit board and the pressing plate; the silica gel key is respectively contacted with the metal shell, the circuit board and the pressing plate; the edge of silica gel button is equipped with first horizontal part, vertical part and the second horizontal part of perpendicular connection in proper order, the edge of circuit board is located first horizontal part the vertical part with the second horizontal part encloses the region of closing, the outside of first horizontal part with the clamp plate contact, promptly first horizontal part with the clamp plate produces to interfere, the outside of vertical part and the second horizontal part outside with the metal casing contact, promptly the vertical part with the metal casing produces to interfere and the second horizontal part with the metal casing produces to interfere, and the position of interfering is effectual blocks water and gets into the inside circuit of silica gel button reaches the inside of metal casing.
2. The waterproof structure for a key according to claim 1, wherein a first mounting hole is formed in the first receiving groove, a second mounting hole is formed in the circuit board, a third mounting hole is formed in the silicone key, a fourth mounting hole is formed in the pressing plate, the first mounting hole, the second mounting hole, the third mounting hole and the fourth mounting hole are correspondingly formed, and the countersunk head screw sequentially penetrates through the fourth mounting hole, the third mounting hole, the second mounting hole and the first mounting hole to fix the pressing plate, the silicone key, the circuit board and the metal shell together.
3. The waterproof structure for a key of claim 2, wherein the first mounting hole is a non-through hole structure, and the second mounting hole, the third mounting hole and the fourth mounting hole are all through hole structures.
4. The waterproof key structure according to claim 1, further comprising a board-to-board female seat, a flexible circuit board and a board-to-board male end, wherein the board-to-board male end is mounted on the flexible circuit board, the flexible circuit board is mounted on a surface of the metal shell facing away from the circuit board, a fifth mounting hole is formed in the metal shell, the board-to-board female seat is mounted on a surface of the circuit board facing away from the silicone key, the board-to-board female seat is matched with the board-to-board male end, and the board-to-board male end and the board-to-board female seat are located in the fifth mounting hole.
5. The waterproof structure of a key according to claim 1, wherein a surface of said metal case is flush with a surface of said pressure plate.
6. The waterproof structure for a key of claim 1, wherein an avoiding groove is formed on the pressing plate, and the button is located in the avoiding groove.
7. The waterproof structure for key set of claim 1, wherein said pressure plate is made of high-strength steel.
8. An electronic device characterized by comprising the waterproof structure for a key set according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910674520.3A CN110416012B (en) | 2019-07-25 | 2019-07-25 | Button waterproof construction and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910674520.3A CN110416012B (en) | 2019-07-25 | 2019-07-25 | Button waterproof construction and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110416012A CN110416012A (en) | 2019-11-05 |
| CN110416012B true CN110416012B (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910674520.3A Active CN110416012B (en) | 2019-07-25 | 2019-07-25 | Button waterproof construction and electronic equipment |
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| CN (1) | CN110416012B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112105184B (en) * | 2020-08-10 | 2024-07-23 | 浙江捷昌线性驱动科技股份有限公司 | Waterproof medical hand controller convenient to assemble |
| CN112885630B (en) * | 2021-01-14 | 2023-01-20 | 惠州Tcl移动通信有限公司 | Button waterproof construction and electronic equipment |
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| JP4607697B2 (en) * | 2005-08-02 | 2011-01-05 | 東京パーツ工業株式会社 | Waterproof pushbutton switch device |
| CN201820671U (en) * | 2010-10-11 | 2011-05-04 | 海能达通信股份有限公司 | Keypad structure of communication equipment |
| CN205723258U (en) * | 2016-06-22 | 2016-11-23 | 惠州Tcl移动通信有限公司 | A kind of Waterproof key structure and electronic equipment |
| CN207719071U (en) * | 2018-01-17 | 2018-08-10 | 温州盛世机车业有限公司 | Switch module with water-proof function |
| CN208256513U (en) * | 2018-05-18 | 2018-12-18 | 广东森下汽车技术有限公司 | A kind of seat memory switch of water proof and dust proof |
| CN208315429U (en) * | 2018-06-12 | 2019-01-01 | 深圳市弘南科通信设备有限公司 | A kind of crime scene investigation device Waterproof key structure |
| CN208385283U (en) * | 2018-07-05 | 2019-01-15 | 北京众达精电科技有限公司 | New waterproof silica gel push-button structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950701B (en) * | 2010-09-16 | 2012-11-21 | 鸿富锦精密工业（深圳）有限公司 | Waterproof and dustproof button and electronic device applying same |
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2019
- 2019-07-25 CN CN201910674520.3A patent/CN110416012B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2739927Y (en) * | 2004-09-14 | 2005-11-09 | 环隆电气股份有限公司 | Water-proof operation apparatus |
| JP4607697B2 (en) * | 2005-08-02 | 2011-01-05 | 東京パーツ工業株式会社 | Waterproof pushbutton switch device |
| CN201820671U (en) * | 2010-10-11 | 2011-05-04 | 海能达通信股份有限公司 | Keypad structure of communication equipment |
| CN205723258U (en) * | 2016-06-22 | 2016-11-23 | 惠州Tcl移动通信有限公司 | A kind of Waterproof key structure and electronic equipment |
| CN207719071U (en) * | 2018-01-17 | 2018-08-10 | 温州盛世机车业有限公司 | Switch module with water-proof function |
| CN208256513U (en) * | 2018-05-18 | 2018-12-18 | 广东森下汽车技术有限公司 | A kind of seat memory switch of water proof and dust proof |
| CN208315429U (en) * | 2018-06-12 | 2019-01-01 | 深圳市弘南科通信设备有限公司 | A kind of crime scene investigation device Waterproof key structure |
| CN208385283U (en) * | 2018-07-05 | 2019-01-15 | 北京众达精电科技有限公司 | New waterproof silica gel push-button structure |
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| Publication number | Publication date |
|---|---|
| CN110416012A (en) | 2019-11-05 |
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Effective date of registration: 20230719 Address after: Building 211, Shanshui Building B, Nanshan Yungu Innovation Industrial Park, No. 4093 Liuxian Avenue, Pingshan Community, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province, 518071 Patentee after: Shenzhen Zhuolong Intelligent Electronic Co.,Ltd. Address before: 330096 No. 1699 Jingdong Avenue, Qingshan Lake High-tech Development Zone, Nanchang City, Jiangxi Province Patentee before: JIANGXI LIANCHUANG SOUND MACRO ELECTRONIC Co.,Ltd. |
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