CN202662500U - Key switch waterproof structure - Google Patents
Key switch waterproof structure Download PDFInfo
- Publication number
- CN202662500U CN202662500U CN 201220308837 CN201220308837U CN202662500U CN 202662500 U CN202662500 U CN 202662500U CN 201220308837 CN201220308837 CN 201220308837 CN 201220308837 U CN201220308837 U CN 201220308837U CN 202662500 U CN202662500 U CN 202662500U
- Authority
- CN
- China
- Prior art keywords
- key switch
- elastic component
- hole
- plunger
- waterproof construction
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a key switch waterproof structure. The key switch waterproof structure comprises a shell body, a sealing element and a press key, wherein a push switch is arranged inside the shell body, and a position of the shell body which corresponds to the push switch is provided with a through hole. The sealing element comprises an elastic element which is assembled into the through hole and utilized to seal the through hole, wherein a plunger is arranged in the center of the elastic element and forms a whole with the elastic element, the elastic element can be made of elastic materials such as silica gels, and the plunger can be made of hard materials such as plastic gels. The press key is arranged outside the plunger, and the press key is used to push the plunger and then is pressed to the push switch during the pressing process. According to the key switch waterproof structure, a general key cap support column is replaced by arranging the plunger in the elastic element, and influences on operating control due to the fact that a silica gel cap is damaged by being repeatedly pressed by a key cap support column are avoided. The key switch waterproof structure further has the advantages of being high in waterproofness and intensity, simple in structure, long in service long, and meanwhile good in assembly ability, and high in assembly efficiency.
Description
Technical field
The utility model 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 operate control more, but key switch simultaneously again feedwater minute enter electronic product inside some spaces be provided, therefore some have the electronic product of waterproof demand such as mobile phone etc. need to some waterproof constructions be set at the key switch place to avoid moisture to enter, usually the structure that adopts is to be provided with push switch in electronic product casing, and position corresponding with push switch on the housing is provided with through hole, through hole seals by the water-proof silica-gel cap, then the keycap support column by depressing, touch switch on the mainboard by 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 repeatedly be easy to break by depressing, thereby affect handfeel of keys, the water resistance of operation control and mobile phone.
The utility model content
Technical problem to be solved in the utility model is, the key switch that a kind of intensity is high, simple and reliable for structure and assembly operation is good waterproof construction is provided.
The technical scheme that the utility model adopts is: the key switch waterproof construction, comprise housing, seal and button, and described housing is provided with push switch in it, and the position corresponding with described push switch is provided with through hole on the described housing; Described seal comprises elastic component in order to be assembled to through hole sealing through hole, and described elastic component center is provided with and elastic component shape all-in-one-piece plunger, and elastic component can adopt the silica gel elastomeric material to make, and plunger can adopt the hard material such as plastic cement to make; Described button is located at the described plunger outside, pushing plunger and then be pressed into push switch when pressing.
In the such scheme, preferred described elastic component is provided with flange and is blocked by the outer surface of described housing in order to be assembled to through hole.
In the such scheme, preferred described housing is provided with the recessed portion round described through hole, and the flange of described elastic component is assemblied in the female part.
In the such scheme, preferred described 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 make.
In the such scheme, preferred described cylindrical shape retainer is provided with flange in order to be blocked by the outer surface of described housing when elastic component is assembled to through hole.
In the such scheme, preferred described elastic component outer surface is around being provided with the evagination part with compressed distortion when elastic component is assembled to through hole.
In the such scheme, preferred described button lower surface has shrinkage pool or groove in order to assemble plunger.
In the such scheme, preferred described plunger has plastic strength, and its complete cycle inner surface round described elastic component center forms, and compressed distortion when described elastic component is assembled to described through hole.
In the such scheme, preferred described key switch waterproof construction also comprises one group of cover cap that is covered with described housing, wherein has barbed portion at least one cover cap, described key switch waterproof construction also comprises a sheet rubber, which is provided with described button, wherein, described sheet rubber is arranged between described housing and the cover cap and button is revealed in barbed portion.
The beneficial effects of the utility model are: the utility model employing arranges plunger and replaces common keycap support column in elastic component, avoid the keycap support column repeatedly to press silicon rubber cup and cause silicon rubber cup damaged impact operation control and water proofing property, intensity is high, simple in structure, long service life, assembling is better simultaneously, and efficiency of assembling is higher.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the profile schematic diagram of the utility model execution mode;
Fig. 2 is the integral installation distribution structure schematic diagram of the utility model execution mode;
Fig. 3 is the decomposition texture schematic diagram of the utility model execution mode;
Fig. 4 is the seal configuration schematic diagram of the utility model execution mode;
Fig. 5 is seal and the press-key structure schematic diagram one of the utility model execution mode;
Fig. 6 is seal and the press-key structure schematic diagram two of the utility model execution mode.
Embodiment
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is described in further detail, such as Fig. 1, Fig. 2, shown in Figure 3, the utility model key switch waterproof construction comprises housing 10, seal 20 and button 16, and housing 10 is provided with push switch 11 in it, and the position corresponding with push switch 11 is provided with through hole 12 on the housing 10, this is universal architecture, no longer describes in detail.
As shown in Figure 4, seal 20 comprises that elastic component 21 is in order to be assembled to through hole 12 with sealing through hole 12, elastic component 21 adopts silica gel RBL2004-70A/B to make, elastic component 21 centers are provided with and elastic component 21 shape all-in-one-piece plungers 22, plunger 22 materials adopt plastic cement PC2805, plunger 22 has plastic strength, its complete cycle inner surface round elastic component 21 centers forms, elastic component 21 comprises cylindric inwall 212, its inwall 212 inside are provided with cylindrical shape retainer 23, cylindrical shape retainer 23 adopts stainless steel substrates SUS304 material, guarantee sealing effectiveness with the tubular profile that keeps elastic component 21, 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, 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 be blocked by the outer surface of housing 10 when elastic component 21 is assembled to through hole 12, elastic component 21 outer surfaces are around being provided with evagination part 213, its external diameter is slightly larger than the internal diameter of through hole 12, with compressed distortion when elastic component 21 is assembled to through hole 12, realize better sealing effectiveness.
Such as 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 assemble plunger 22, push plunger 22 when pressing and then are pressed into push switch 11.
During assembling, in the through hole 12 that seal 20 inserts on the housing 10, until flange 211 is blocked by recessed portion 13 outer surfaces of housing 10, design this moment should be so that push switch 11 should be approached or slightly be contacted to the inside bottom surface of plunger 22, then load onto button 16, 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 that is covered with housing 10,18, wherein has barbed portion 181 on the cover cap 18,182, 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 make button 16 in barbed portion 181,182 reveal, and sheet rubber 25 left ends 251 hot melts are on housing hot molten column 14, and 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 occurs 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 were finished once-through operation so that plunger 22, button 16 reset.
Above embodiment has been described in detail the utility model, but these are not to consist of restriction of the present utility model.Protection range of the present utility model is not limited with above-mentioned execution mode, as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure 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), described housing (10) is provided with push switch (11) in it, and the upper position corresponding with described push switch (11) of described housing (10) is provided with through hole (12), it is characterized in that: described seal (20) comprises elastic component (21) in order to be assembled to through hole (12) sealing through hole (12), and described elastic component (21) center is provided with and elastic component (21) shape all-in-one-piece plunger (22); Described button (16) is located at described plunger (22) outside, when pressing pushing plunger (22) from so that a step be pressed into push switch (11).
2. key switch waterproof construction as claimed in claim 1, it is characterized in that: described elastic component (21) is provided with flange (211) and is blocked by the outer surface of described housing (10) in order to be assembled to through hole (12).
3. key switch waterproof construction as claimed in claim 2, it is characterized in that: described housing (10) is provided with the recessed portion (13) round described through hole (12), and the flange (211) of described elastic component (21) is assemblied in the female part (13).
4. key switch waterproof construction as claimed in claim 3, it is characterized in that: described elastic component (21) comprises cylindric inwall (212), its inwall inner surface or interior pars intramuralis are provided with cylindrical shape retainer (23).
5. key switch waterproof construction as claimed in claim 4, it is characterized in that: described cylindrical shape retainer (23) is provided with flange (231) in order to be blocked by the outer surface of described housing (10) when elastic component (21) is assembled to through hole (12).
6. such as key switch waterproof construction as described in the arbitrary claim of claim 1 to 5, it is characterized in that: described elastic component (21) outer surface is around being provided with evagination part (213) with compressed distortion when elastic component (21) is assembled to through hole (12).
7. such as key switch waterproof construction as described in the arbitrary claim of claim 6, it is characterized in that: described button (16) lower surface has shrinkage pool or groove (161) in order to assemble plunger (22).
8. key switch waterproof construction as claimed in claim 6, it is characterized in that: described plunger (22) has plastic strength, its complete cycle inner surface round described elastic component (21) center forms, and compressed distortion when described elastic component (21) is assembled to described through hole (12).
9. key switch waterproof construction as claimed in claim 6, it is characterized in that: described key switch waterproof construction also comprises one group of cover cap (17,18) that is covered with described housing (10), wherein has barbed portion (181,182) at least one cover cap (18), described key switch waterproof construction also comprises a sheet rubber (25), which is provided with described button (16), wherein, described sheet rubber (25) is arranged between described 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 |
|---|---|---|---|
| CN 201220308837 CN202662500U (en) | 2012-06-28 | 2012-06-28 | Key switch waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308837 CN202662500U (en) | 2012-06-28 | 2012-06-28 | Key switch waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202662500U true CN202662500U (en) | 2013-01-09 |
Family
ID=47457386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220308837 Expired - Fee Related CN202662500U (en) | 2012-06-28 | 2012-06-28 | Key switch waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202662500U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760599A (en) * | 2012-06-28 | 2012-10-31 | 赛龙通信技术（深圳）有限公司 | Button switch waterproof structure |
| CN106057529A (en) * | 2016-05-16 | 2016-10-26 | 苏州力川汽车电器有限公司 | Touch control switch |
| CN111595519A (en) * | 2019-02-21 | 2020-08-28 | 成都鼎桥通信技术有限公司 | Sealing detection jig and sealing detection method for porous shell |
| CN112750640A (en) * | 2019-10-30 | 2021-05-04 | 比亚迪股份有限公司 | Electronic equipment and shell thereof |
-
2012
- 2012-06-28 CN CN 201220308837 patent/CN202662500U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760599A (en) * | 2012-06-28 | 2012-10-31 | 赛龙通信技术（深圳）有限公司 | Button switch waterproof structure |
| CN106057529A (en) * | 2016-05-16 | 2016-10-26 | 苏州力川汽车电器有限公司 | Touch control switch |
| CN111595519A (en) * | 2019-02-21 | 2020-08-28 | 成都鼎桥通信技术有限公司 | Sealing detection jig and sealing detection method for porous shell |
| CN112750640A (en) * | 2019-10-30 | 2021-05-04 | 比亚迪股份有限公司 | Electronic equipment and shell thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |