CN102760599A - Button switch waterproof structure - Google Patents
Button switch waterproof structure Download PDFInfo
- Publication number
- CN102760599A CN102760599A CN2012102187047A CN201210218704A CN102760599A CN 102760599 A CN102760599 A CN 102760599A CN 2012102187047 A CN2012102187047 A CN 2012102187047A CN 201210218704 A CN201210218704 A CN 201210218704A CN 102760599 A CN102760599 A CN 102760599A
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- elastic component
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- button
- plunger
- key switch
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Abstract
The invention discloses a button switch waterproof structure which comprises a shell, a sealing piece and a button, wherein the shell is internally provided with a pressing switch; a through hole is formed at the position corresponding to the pressing switch, on the shell; the sealing piece comprises an elastic piece; the elastic piece is assembled into the through hole so as to seal the through hole; a plunger which is integrally formed with the elastic piece is arranged at the center of the elastic piece; the elastic piece can be made of elastic materials such as silicon gel; the plunger can be made of hard materials such as plastic and the like; and the button is arranged at the outer side of the plunger and is used for pushing the plunger to be further pressed to the pressing switch during the pressing process. By arranging the plunger inside the elastic piece to take the place of an ordinary button cap support column, so that the operation control and the waterproof property are influenced because the silicon cap is damaged while the silicon gel cap is pressed by the button cap support column for multiple times; the button switch waterproof structure is high in strength, simple in structure, long in service life, and better in assembling and higher in assembling efficiency at the same time.
Description
Technical field
The present invention relates to the key switch waterproof construction on the electronic product.
Background technology
Be provided with key switch on the electronic product in order to controling more, some spaces be provided, so some there are electronic product such as the mobile phone of waterproof demand etc. that some waterproof constructions need be set at the key switch place to avoid moisture to get into but key switch gets into electronic product inside to moisture again simultaneously; Usually the structure that adopts is in electronic product casing, to be provided with push switch; And be provided with through hole with the corresponding position of push switch on the housing, through hole seals through the water-proof silica-gel cap, then the keycap support column by depressing; Touch the switch on the mainboard through the water-proof silica-gel cap; Realize switch motion, because the material of silica gel is soft, intensity and poor toughness; The keycap support column be easy to break by depressing repeatedly, thereby influence the button feel, control and the water resistance of mobile phone.
Summary of the invention
Technical problem to be solved by this invention is, the key switch waterproof construction that a kind of intensity is high, simple and reliable for structure and assemble workability is good is provided.
The technical scheme that the present invention adopted is: the key switch waterproof construction, comprise housing, seal and button, and said housing is provided with push switch in it, and is provided with through hole with the corresponding position of said push switch on the said housing; Said seal comprises elastic component in order to be assembled to through hole sealing through hole, and said elastic component center is provided with the plunger that is integrally formed with elastic component, and elastic component can adopt the silica gel elastomeric material to process, and plunger can adopt hard material such as plastic cement to process; Said button is located at the said plunger outside, pushing plunger and then be pressed into push switch when pushing.
In the such scheme, preferred said elastic component is provided with flange and is blocked by the outer surface of said housing in order to be assembled to through hole.
In the such scheme, preferred said housing is provided with the recessed portion round said through hole, and the flange of said elastic component is assemblied in the female part.
In the such scheme, preferred said elastic component comprises cylindric inwall, and its inwall inner surface or interior pars intramuralis are provided with cylindrical shape and keep, and frame cylindrical shape retainer adopts stainless steel and other metal materials to process.
In the such scheme, preferred said cylindrical shape retainer is provided with flange in order to when elastic component is assembled to through hole, to be blocked by the outer surface of said housing.
In the such scheme, preferred said elastic component outer surface is around being provided with the evagination part when elastic component is assembled to through hole, to be compressed distortion.
In the such scheme, preferred said button lower surface has shrinkage pool or groove in order to the assembling plunger.
In the such scheme, preferred said plunger has plastic strength, and its complete cycle inner surface round said elastic component center forms, and when said elastic component is assembled to said through hole, is compressed distortion.
In the such scheme; Preferred said key switch waterproof construction also comprises one group of cover cap that is covered with said housing; Wherein have barbed portion at least one cover cap, said key switch waterproof construction also comprises a sheet rubber, which is provided with said button; Wherein, said sheet rubber is arranged between said housing and the cover cap and button is revealed in barbed portion.
The invention has the beneficial effects as follows: the present invention is employed in and plunger is set in the elastic component replaces common keycap support column; Avoiding the keycap support column repeatedly to push silicon rubber cup causes the damaged influence of silicon rubber cup to control and water proofing property; Intensity is high, and is simple in structure, long service life; Assembling is better simultaneously, and efficiency of assembling is higher.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the profile sketch map of embodiment of the present invention;
Fig. 2 is the integral installation distribution structure sketch map of embodiment of the present invention;
Fig. 3 is the decomposition texture sketch map of embodiment of the present invention;
Fig. 4 is the seal configuration sketch map of embodiment of the present invention;
Fig. 5 is the seal and the press-key structure sketch map one of embodiment of the present invention;
Fig. 6 is the seal and the press-key structure sketch map two of embodiment of the present invention.
Embodiment
In order to make those skilled in the art understand technical scheme of the present invention better,, the present invention is done further detailed description below in conjunction with accompanying drawing; Like Fig. 1, Fig. 2, shown in Figure 3; Key switch waterproof construction of the present invention comprises housing 10, seal 20 and button 16, and housing 10 is provided with push switch 11 in it, and is provided with through hole 12 with push switch 11 corresponding positions on the housing 10; This is a universal architecture, no longer details.
As shown in Figure 4, seal 20 comprises elastic component 21 in order to be assembled to through hole 12 with sealing through hole 12, and elastic component 21 adopts silica gel RBL2004-70A/B to process; Elastic component 21 centers are provided with the plunger 22 that is integrally formed with elastic component 21, and plunger 22 materials adopt plastic cement PC2805, and plunger 22 has plastic strength; Its complete cycle inner surface round elastic component 21 centers forms, and elastic component 21 comprises cylindric inwall 212, and its inwall 212 inside are provided with cylindrical shape retainer 23; Cylindrical shape retainer 23 adopts stainless steel substrates SUS304 materials, guarantees sealing effectiveness with the tubular profile that keeps elastic component 21, and elastic component 21 is provided with flange 211 and is blocked by the outer surface of housing 10 when being assembled to through hole 12; Corresponding therewith, housing 10 is provided with the recessed portion 13 round through hole 12, and the flange 211 of elastic component 21 is assemblied in the recessed portion 13; Simultaneously; Cylindrical shape retainer 23 also is provided with flange 231 in order to when elastic component 21 is assembled to through hole 12, to be blocked by the outer surface of housing 10, and elastic component 21 outer surfaces are around being provided with evagination part 213, and its external diameter is slightly larger than the internal diameter of through hole 12; When elastic component 21 is assembled to through hole 12, to be compressed distortion, realize better sealing effectiveness.
Like Fig. 5, shown in Figure 6, button 16 is located at plunger 22 outsides, and button 16 lower surface have shrinkage pool 161 in order to assembling plunger 22, pushes plunger 22 when pushing and then is pressed into push switch 11.
During assembling, in the through hole 12 that seal 20 inserts on the housing 10, blocked by recessed portion 13 outer surfaces of housing 10 until flange 211; This moment, design should make the inside bottom surface of plunger 22 should approach or contact slightly push switch 11, loaded onto button 16 then, and the assembly structure that button 16 and housing are 10 can adopt as shown in fig. 1; The key switch waterproof construction also comprises one group of cover cap 17,18 that is covered with housing 10; Wherein have barbed portion 181,182 on the cover cap 18, the key switch waterproof construction also comprises a sheet rubber 25, which is provided with button 16; Wherein, Sheet rubber 25 is arranged at housing 10 and cover cap 17, between 18 and button 16 is revealed in barbed portion 181,182, sheet rubber 25 left ends 251 hot melts are on housing hot melt post 14, sheet rubber right-hand member 252 is superimposed upon in the housing groove 15.Also can adopt other universal designs, be not described in detail in this.
During operation, finger presses button 16, button 16 is inwardly descending; Sheet rubber 25 strains simultaneously, button 16 pushing plungers 22 are descending and then be pressed into push switch 11 and realize operation, simultaneously; Strain also takes place in plunger 22 peripheral elastic component 21 cores; After finger unclamped, elastic component 21 cores of plunger 22 peripheries and the elastic force of sheet rubber 25 made plunger 22, button 16 reset, and accomplish once-through operation.
Above embodiment has been carried out detailed explanation to the present invention, but these are not to be construed as limiting the invention.Protection scope of the present invention is not exceeded with above-mentioned execution mode, as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (9)
1. key switch waterproof construction; Comprise housing (10), seal (20) and button (16); Said housing (10) is provided with push switch (11) in it; And said housing (10) is gone up with the corresponding position of said push switch (11) and is provided with through hole (12); It is characterized in that: said seal (20) comprises elastic component (21) in order to be assembled to through hole (12) sealing through hole (12), and said elastic component (21) center is provided with the plunger (22) that is integrally formed with elastic component (21); Said button (16) is located at said plunger (22) outside, when pushing pushing plunger (22) from so that a step be pressed into push switch (11).
2. key switch waterproof construction according to claim 1, it is characterized in that: said elastic component (21) is provided with flange (211) and is blocked by the outer surface of said housing (10) in order to be assembled to through hole (12).
3. like the said key switch waterproof construction of claim 2, it is characterized in that: said housing (10) is provided with the recessed portion (13) round said through hole (12), and the flange (211) of said elastic component (21) is assemblied in the female part (13).
4. like the said key switch waterproof construction of claim 3, it is characterized in that: said elastic component (21) comprises cylindric inwall (212), and its inwall inner surface or interior pars intramuralis are provided with cylindrical shape retainer (23).
5. like the said key switch waterproof construction of claim 4, it is characterized in that: said cylindrical shape retainer (23) is provided with flange (231) in order to when elastic component (21) is assembled to through hole (12), to be blocked by the outer surface of said housing (10).
6. like the said key switch waterproof construction of the arbitrary claim of claim 1 to 5, it is characterized in that: said elastic component (21) outer surface is around being provided with evagination part (213) when elastic component (21) is assembled to through hole (12), to be compressed distortion.
7. like the said key switch waterproof construction of the arbitrary claim of claim 6, it is characterized in that: said button (16) lower surface has shrinkage pool or groove (161) in order to assembling plunger (22).
8. like the said key switch waterproof construction of claim 6; It is characterized in that: said plunger (22) has plastic strength; Its complete cycle inner surface round said elastic component (21) center forms, and when said elastic component (21) is assembled to said through hole (12), is compressed distortion.
9. like the said key switch waterproof construction of claim 6; It is characterized in that: said key switch waterproof construction also comprises one group of cover cap (17,18) that is covered with said housing (10); Wherein has barbed portion (181,182) at least one cover cap (18); Said key switch waterproof construction also comprises a sheet rubber (25); Which is provided with said button (16), wherein, said sheet rubber (25) is arranged between said housing (10) and the cover cap (11,18) and button (16) is revealed in barbed portion (181,182).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012102187047A CN102760599A (en) | 2012-06-28 | 2012-06-28 | Button switch waterproof structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012102187047A CN102760599A (en) | 2012-06-28 | 2012-06-28 | Button switch waterproof structure |
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CN102760599A true CN102760599A (en) | 2012-10-31 |
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CN2012102187047A Pending CN102760599A (en) | 2012-06-28 | 2012-06-28 | Button switch waterproof structure |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104240998A (en) * | 2013-06-18 | 2014-12-24 | 中兴通讯股份有限公司 | Key of terminal |
CN104654036A (en) * | 2013-11-22 | 2015-05-27 | 深圳市海洋王照明工程有限公司 | Electric torch |
CN105531785A (en) * | 2014-07-26 | 2016-04-27 | 深圳市宝尔爱迪科技有限公司 | Waterproof structure for button on electronic product and waterproof mobile phone using same |
CN106098445A (en) * | 2016-06-30 | 2016-11-09 | 维沃移动通信有限公司 | A kind of press-key structure and electronic equipment |
CN106548890A (en) * | 2015-09-17 | 2017-03-29 | 通用汽车环球科技运作有限责任公司 | Handheld launch device and motor vehicles |
TWI594280B (en) * | 2013-01-03 | 2017-08-01 | 佳能企業股份有限公司 | Control structure |
CN107887210A (en) * | 2017-12-18 | 2018-04-06 | 深圳市宝尔爱迪科技有限公司 | A kind of waterproof side press-key structure and the waterproof mobile phone using the structure |
CN112640020A (en) * | 2018-07-31 | 2021-04-09 | 伯斯有限公司 | Plunger interface |
Citations (3)
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CN202003876U (en) * | 2011-01-19 | 2011-10-05 | 精英电脑股份有限公司 | key structure |
JP2012028175A (en) * | 2010-07-23 | 2012-02-09 | Sharp Corp | Push-button switch structure and electronic apparatus provided with the same |
CN202662500U (en) * | 2012-06-28 | 2013-01-09 | 赛龙通信技术(深圳)有限公司 | Key switch waterproof structure |
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2012
- 2012-06-28 CN CN2012102187047A patent/CN102760599A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012028175A (en) * | 2010-07-23 | 2012-02-09 | Sharp Corp | Push-button switch structure and electronic apparatus provided with the same |
CN202003876U (en) * | 2011-01-19 | 2011-10-05 | 精英电脑股份有限公司 | key structure |
CN202662500U (en) * | 2012-06-28 | 2013-01-09 | 赛龙通信技术(深圳)有限公司 | Key switch waterproof structure |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI594280B (en) * | 2013-01-03 | 2017-08-01 | 佳能企業股份有限公司 | Control structure |
CN104240998A (en) * | 2013-06-18 | 2014-12-24 | 中兴通讯股份有限公司 | Key of terminal |
CN104654036A (en) * | 2013-11-22 | 2015-05-27 | 深圳市海洋王照明工程有限公司 | Electric torch |
CN104654036B (en) * | 2013-11-22 | 2019-04-16 | 深圳市海洋王照明工程有限公司 | Flashlight |
CN105531785A (en) * | 2014-07-26 | 2016-04-27 | 深圳市宝尔爱迪科技有限公司 | Waterproof structure for button on electronic product and waterproof mobile phone using same |
EP3174080A4 (en) * | 2014-07-26 | 2017-12-06 | Power Idea Technology (Shenzhen) Co., Ltd. | Waterproof structure for button on electronic product and waterproof mobile phone using same |
CN106548890A (en) * | 2015-09-17 | 2017-03-29 | 通用汽车环球科技运作有限责任公司 | Handheld launch device and motor vehicles |
CN106098445A (en) * | 2016-06-30 | 2016-11-09 | 维沃移动通信有限公司 | A kind of press-key structure and electronic equipment |
CN107887210A (en) * | 2017-12-18 | 2018-04-06 | 深圳市宝尔爱迪科技有限公司 | A kind of waterproof side press-key structure and the waterproof mobile phone using the structure |
CN112640020A (en) * | 2018-07-31 | 2021-04-09 | 伯斯有限公司 | Plunger interface |
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Application publication date: 20121031 |