CN103854903B - Button elastic contact blade - Google Patents
Button elastic contact blade Download PDFInfo
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- CN103854903B CN103854903B CN201410059509.3A CN201410059509A CN103854903B CN 103854903 B CN103854903 B CN 103854903B CN 201410059509 A CN201410059509 A CN 201410059509A CN 103854903 B CN103854903 B CN 103854903B
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- elastic
- press section
- contact blade
- elastic contact
- arch arm
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Abstract
The present invention discloses a kind of button elastic contact blade, it includes and supports annulus, press section and a plurality of Elastic Arch arm, this press section is arranged at and supports above annulus, along press section, bending in the same way extending to supports on annulus this Elastic Arch arm, form the hollow-out parts being used for load removal between adjacent Elastic Arch arm, this hollow-out parts area along Elastic Arch brachiocylloosis direction from large to small.By this, by arranging Elastic Arch arm between press section and support annulus, form the hollow-out parts of load removal, the compression that press section is conducted rotates dispersion release by Elastic Arch arm, thus improve elastic contact blade Stress Release ability in the course of the work, increase the rebound strength of elastic contact blade, increase the service life, in addition, this elastic contact blade feel is light, and contact height is moderate, and pressing stroke is long, solve after traditional elastic contact cannot increase or increase, need the difficult problem that larger pressing force even cannot press.
Description
Technical field
The present invention relates to electronic applications technology, refer in particular to a kind of button elastic contact blade.
Background technology
In recent years, along with the high speed development of electronic technology, digital camera, mobile phone, the digital electronic goods such as MP4 move towards microminiaturized gradually, therefore, requirement for the button for facilitating the input of these electronic products to use also improves constantly, an elastic contact blade resetted for button is provided with below traditional button, this elastic contact blade is generally in dish, as a whole, without any breach, as Fig. 1, shown in 2, elastic contact blade is after pressing downwards, the recessed connection circuit in top, because this kind of elastic contact blade stress point all concentrates on contact edge, after being pressed into certain number of times, the meeting fatigue fracture of contact edge, cause button malfunction, industry concentrates caused FATIGUE FRACTURE PROBLEMS to solve contact stress, the hole of dispersive stress is offered on contact, as Fig. 3, shown in 4, another is the support bar 50 between Kong Yukong is linear pattern, as Fig. 5, shown in 6, when elastic contact blade is under pressure, support bar 50 upper stress still concentrates on A point, cannot disperse, easy fatigue fracture, in addition, above-mentioned integral type or the contact with hole cannot improve the height of contact as required, reason is that this kind of contact height is once after strengthening, pressure increase needed for pressing contact, even cannot depress.Therefore, for the above defect of traditional elastic contact, reply contact plate structure improves, to solve the problem.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of button elastic contact blade, by arranging Elastic Arch arm between press section and support annulus, the compression of being conducted by press section can rotate dispersion release by Elastic Arch arm, thus improve elastic contact blade Stress Release ability, increase the service life.
For achieving the above object, the present invention adopts following technical scheme:
A kind of button elastic contact blade, it includes and supports annulus, press section and a plurality of Elastic Arch arm, this press section is arranged at and supports above annulus, along press section, bending in the same way extending to supports on annulus this Elastic Arch arm, form the hollow-out parts being used for load removal between adjacent Elastic Arch arm, this hollow-out parts area along Elastic Arch brachiocylloosis direction from large to small.
As a kind of preferred version: described a plurality of Elastic Arch arm is bending in the counterclockwise direction respectively to be extended.
As a kind of preferred version: described support annulus, press section and Elastic Arch arm are all in flake.
As a kind of preferred version: described Elastic Arch arm comprises the first connecting portion, the second connecting portion and stress conducting part, this first connecting portion is connected with outer, press section one, this second connecting portion is connected with support annulus one, this stress conducting part is connected between the first connecting portion and the second connecting portion, and it is in the shape that upwards arches upward.
As a kind of preferred version: described first connecting portion is connected with arc transition with press section, the second connecting portion is connected with arc transition with support annulus.
As a kind of preferred version: described hollow-out parts is fan-shaped.
The present invention compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, by arranging Elastic Arch arm between press section and support annulus, form the hollow-out parts of load removal, the compression that press section is conducted rotates dispersion release by Elastic Arch arm, thus improve elastic contact blade Stress Release ability in the course of the work, increase the rebound strength of elastic contact blade, increase the service life, in addition, this elastic contact blade feel is light, contact height is moderate, pressing stroke is long, traditional elastic contact solve after cannot increase or increase, need the difficult problem that larger pressing force even cannot press.
For more clearly setting forth architectural feature of the present invention and effect, be described in detail below in conjunction with accompanying drawing and specific embodiment.
Accompanying drawing explanation
Fig. 1 is the elastic contact blade of prior art is schematic diagram time overall;
Fig. 2 is the elastic contact blade of prior art is pressurized schematic side view time overall;
Fig. 3 is the elastic contact blade schematic diagram with holes of prior art;
Fig. 4 is the elastic contact blade pressurized cross-sectional schematic with holes of prior art;
Fig. 5 is the elastic contact blade schematic diagram with linear pattern support bar of prior art;
Fig. 6 is the elastic contact blade pressurized schematic side view with linear pattern support bar of prior art;
Fig. 7 is the schematic perspective view of the present invention;
Fig. 8 is the stress dispersion schematic diagram of the present invention;
Fig. 9 is the Elastic Arch arm of the present invention schematic diagram when being three.
accompanying drawing identifier declaration:
10, annulus 20, press section is supported
30, Elastic Arch arm 31, first connecting portion
32, the second connecting portion 33, stress conducting part
40, hollow-out parts 50, support bar
A, stress point.
Embodiment
As shown in Figure 7 to 9, a kind of button elastic contact blade, includes and supports annulus 10, press section 20 and a plurality of Elastic Arch arm 30 in the present invention, wherein:
This support annulus 10, in flake, supports in annulus 10 along tilting to raise up.
This press section 20 is in flake, and it is positioned at and supports above annulus 10, and just to support annulus 10 center of circle.
This plurality of Elastic Arch arm 30 is counterclockwise bending along press section 20 respectively to be extended on support annulus 10, and form the hollow-out parts 40 being used for load removal between adjacent Elastic Arch arm 30, this hollow-out parts 40 area along Elastic Arch brachiocylloosis direction from large to small; This Elastic Arch arm 30 is in flake, it comprises the first connecting portion 31, second connecting portion 32 and stress conducting part 33, wherein, this first connecting portion 31 is connected with arc transition form one with outer, press section 20, this second connecting portion 32 is also connected with arc transition form one with support annulus 10, this stress conducting part 33 is in the shape that upwards arches upward, and it is connected between the first connecting portion 31 and the second connecting portion 32.
After above-mentioned press section 20, Elastic Arch arm 30 and support annulus 10 are connected, overall in arch, a plurality of Elastic Arch arm 30 is separated into a plurality of above-mentioned hollow-out parts 40 by between press section 20 and support annulus 10, and each hollow-out parts 40 is in fan-shaped, and a plurality of hollow-out parts 40 entirety is in plum blossom-shaped.
In addition, Elastic Arch arm 30 quantity in this elastic contact blade can need to select in 3 to 6, for 4 in the present embodiment, for 3 in another embodiment according to the elastic force of elastic contact blade.
The principle of the invention is as follows: utilize mutual separated Elastic Arch arm 30 connect press section 20 and support annulus 10, during pressing elastic contact blade, can be rotated by Elastic Arch arm 30 by compression suffered by press section 20 disperses release, the profile that Elastic Arch arm 30 is bending counterclockwise, avoid stress concentration at a bit, decrease the risk of elastic contact blade fatigue fracture, enhance the fatigue resistance of elastic contact blade, and, Elastic Arch arm 20 is adopted can conveniently to increase elastic contact blade height, avoid after adding height, cannot press or need larger pressure just can make the problem of elastic contact blade conducting.
Design focal point of the present invention is, by arranging Elastic Arch arm between press section and support annulus, form the hollow-out parts of load removal, the compression that press section is conducted rotates dispersion release by Elastic Arch arm, thus improve elastic contact blade Stress Release ability in the course of the work, increase the rebound strength of elastic contact blade, increase the service life, in addition, this elastic contact blade feel is light, and contact height is moderate, and pressing stroke is long, solve after traditional elastic contact cannot increase or increase, need the difficult problem that larger pressing force even cannot press.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus every according to technical spirit of the present invention to any trickle amendment made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a button elastic contact blade, it is characterized in that: include support annulus, press section and a plurality of Elastic Arch arm, this press section is arranged at and supports above annulus, along press section, bending in the same way extending to supports on annulus this Elastic Arch arm, the hollow-out parts being used for load removal is formed between adjacent Elastic Arch arm, this hollow-out parts area along Elastic Arch brachiocylloosis direction from large to small, this Elastic Arch arm comprises the first connecting portion, second connecting portion and stress conducting part, this first connecting portion is connected with outer, press section one, this second connecting portion is connected with support annulus one, this stress conducting part is connected between the first connecting portion and the second connecting portion, it is in the shape that upwards arches upward.
2. button elastic contact blade according to claim 1, is characterized in that: described a plurality of Elastic Arch arm is bending in the counterclockwise direction respectively to be extended.
3. button elastic contact blade according to claim 1, is characterized in that: described support annulus, press section and Elastic Arch arm are all in flake.
4. button elastic contact blade according to claim 1, is characterized in that: described first connecting portion is connected with arc transition with press section, and the second connecting portion is connected with arc transition with support annulus.
5. button elastic contact blade according to claim 1, is characterized in that: described hollow-out parts is fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059509.3A CN103854903B (en) | 2014-02-21 | 2014-02-21 | Button elastic contact blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059509.3A CN103854903B (en) | 2014-02-21 | 2014-02-21 | Button elastic contact blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103854903A CN103854903A (en) | 2014-06-11 |
| CN103854903B true CN103854903B (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410059509.3A Active CN103854903B (en) | 2014-02-21 | 2014-02-21 | Button elastic contact blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103854903B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9645023B2 (en) | 2014-08-26 | 2017-05-09 | Shenzhen New Degree Technology Co., Ltd. | Discrete pressure sensor with cantilevered force centralizers |
| CN106662490B (en) * | 2015-04-30 | 2019-10-15 | 深圳纽迪瑞科技开发有限公司 | The pressure sensor and its touch controlled key and electronic equipment that can be shone |
| CN107835010A (en) * | 2017-12-13 | 2018-03-23 | 东莞微感电子技术有限公司 | A kind of contactor control device based on elastic contact blade |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1654320A (en) * | 1926-07-17 | 1927-12-27 | Westinghouse Electric & Mfg Co | Thermostatic disk |
| US2415448A (en) * | 1942-06-05 | 1947-02-11 | Pierce John B Foundation | Snap switch |
| WO2005045867A1 (en) * | 2003-11-06 | 2005-05-19 | Philip Adrian Sjostrom | Switch element |
| FR2911000A1 (en) * | 2006-12-29 | 2008-07-04 | Nicomatic Sa Sa | Metallic contact dome for switch in motor vehicle, has contact zone whose projecting distance is such that contact zone reaches tangential plane before central projection during handling of dome by applying force towards tangential plane |
| CN203721565U (en) * | 2014-02-21 | 2014-07-16 | 博罗承创精密工业有限公司 | Elastic contact sheet for keys |
-
2014
- 2014-02-21 CN CN201410059509.3A patent/CN103854903B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1654320A (en) * | 1926-07-17 | 1927-12-27 | Westinghouse Electric & Mfg Co | Thermostatic disk |
| US2415448A (en) * | 1942-06-05 | 1947-02-11 | Pierce John B Foundation | Snap switch |
| WO2005045867A1 (en) * | 2003-11-06 | 2005-05-19 | Philip Adrian Sjostrom | Switch element |
| FR2911000A1 (en) * | 2006-12-29 | 2008-07-04 | Nicomatic Sa Sa | Metallic contact dome for switch in motor vehicle, has contact zone whose projecting distance is such that contact zone reaches tangential plane before central projection during handling of dome by applying force towards tangential plane |
| CN203721565U (en) * | 2014-02-21 | 2014-07-16 | 博罗承创精密工业有限公司 | Elastic contact sheet for keys |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103854903A (en) | 2014-06-11 |
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