CN209045418U - A kind of high response efficiency press-key structure - Google Patents
A kind of high response efficiency press-key structure Download PDFInfo
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- CN209045418U CN209045418U CN201821883365.3U CN201821883365U CN209045418U CN 209045418 U CN209045418 U CN 209045418U CN 201821883365 U CN201821883365 U CN 201821883365U CN 209045418 U CN209045418 U CN 209045418U
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- pressing piece
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- extrusion head
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Abstract
The utility model discloses a kind of high response efficiency press-key structure, which is arranged on film circuit board, comprising: pressing piece, the pressing piece are arranged above the film circuit board by the first elastic element and can elasticity pressings downwards；Elastic extrusion head, the elasticity extrusion head are connect with the pressing piece, and the pressing piece downward push, which drives the elastic extrusion head to press to film circuit board, makes line conduction；The distance on the bottom of the elasticity extrusion head to film circuit board pressing surface is S1, it is S that pressing piece, which pushes total height, wherein 0 < S1< 2/3S.The advantages of the utility model are as follows: firstly, this key, which shortens key response by the restriction to face contact position, feeds back stroke, reduce the conducting response time, improve key response efficiency；Secondly, this press-key structure after pressing the button, possesses bigger elastic feedback power, operating handle is improved.
Description
Technical field
The utility model relates to a kind of keyboard structures, more particularly, to a kind of high response efficiency press-key structure.
Background technique
It is mechanical keyboard that keyboard response efficiency is highest currently on the market, is widely used in game station and industry is set
In standby, but its cost is higher always.The cost of conventional keys is low, but key response efficiency is generally lower.
Conventional keys structure as shown in Figure 1, the press-key structure are arranged on film circuit board 1, the film circuit board 1 packet
Include the wiring board upper layer stacked gradually, interlayer and wiring board lower layer in wiring board, wiring board upper layer and wiring board lower layer correspondence are set
Set upper layer circuit and lower sandwich circuit, wiring board upper layer is under pressure g1Upper layer circuit can be made to realize with lower layer's wiring circuit contact to lead
It is logical.
Press-key structure includes: pressing piece 2, the first elastic element 3 and elastic press head 4, which passes through the first elasticity
Element 3 is arranged above the film circuit board 1 and elasticity pressing, the elasticity press head 4 can be fixed under pressing piece 2 downwards
Side, for squeezing wiring board upper layer, wherein it is described elasticity extrusion head 4 bottom and the film circuit board 1 pressing surface away from
From S1It is that pressing piece 2 pushes total height, i.e. S for 2/3 times of feedback total kilometres S, S1=2/3S.
Conventional keys structure pressing state figure as shown in Figure 2, pressing piece 2 push, and 3 deformation band of the first elastic element is moved
Property press head 4 press to wiring board upper layer, elastic 4 deformation of press head simultaneously realizes upper layer circuit and lower layer's wiring circuit contact to be connected.
(x-axis represents feedback stroke, and y-axis represents pressing for traditional pressing force as shown in Figure 3 and Figure 4 and travel feedback curve
Power), elasticity 1 (the first elastic element 3) provides L1Curve feedback, elasticity 2 (elastic press heads 4) provides L2Curve it is anti-
Feedback.G in 2 offers of elasticity occurs for conducting response1When pressure is to film circuit board, the whole feedback dynamics that presses is elasticity 1
With 2 combination (L of elasticity3Curve feedback), in 2/3S at a distance from film circuit board, conducting is rung for the bottom of elastic press head 4
It should put and lag behind the region 2/3S, it may be assumed that FP1Point is conducting response point, P1For collapse point, P1With P2Drop forms power feedback, FP1It leads
Logical response point lags behind P2, it is lower that response efficiency is connected.
Utility model content
Purpose of utility model: in order to overcome the shortcomings of background technique, the utility model discloses one kind by shortening conducting
Stroke is to improve the high response efficiency press-key structure of key response efficiency.
Technical solution: high response efficiency press-key structure described in the utility model, the press-key structure are arranged in wiring thin film
On plate, comprising:
Pressing piece, the pressing piece are arranged above the film circuit board by the first elastic element and can be elastic downwards
Pressing；
Elastic extrusion head, the elasticity extrusion head are connect with the pressing piece, and the pressing piece presses down on described in drive
Elastic extrusion head, which presses to film circuit board, makes line conduction；
The distance on the bottom of the elasticity extrusion head to film circuit board pressing surface is S1, pressing piece pushes total high
Degree is S (feedback total kilometres), wherein 0 < S1< 2/3S.
When pressing operation, pressed down on by pressing piece, the first elastic element first generates deformation, until elastic extrusion head with it is thin
When film wiring board contacts, elastic extrusion head, which is under pressure, generates deformation, makes line conduction by generating pressure to film circuit board
Response, after conducting, since elastic force effect still can be pressed down, which presses to from minimum point from original state and transports pressing piece
Dynamic stroke is feedback total kilometres, is calculated as S, when the bottom of elastic extrusion head is small at a distance from film circuit board pressing surface
When 2/3S, i.e., controllable pressing piece must complete conducting response before pressing 2/3S, and response is very fast.
Further, 1/6S < S1< 2/3S；It is preferred that the bottom of elastic extrusion head and the film circuit board press surface
Distance be equal to 1/3S (i.e. S1=1/3S), key is not only in response to fast at this time, and the elastic force feedback power after key is larger, pressing
Good hand touch, response efficiency and pressing feel synthesis are optimal.
Further, it is connected between the elastic extrusion head and pressing piece by the second elastic element.Elastic extrusion head by
To after the extruding of film circuit board, the second elastic element and elastic extrusion head generate deformation simultaneously.
Further, first elastic element is the truncated cone-shaped structure (circle to raise upward from the film circuit board
Platform shape includes that side is straight flange and a variety of situations of arc side) or prismatic table shape structure, the pressing piece be located at first elastic element
Raised end, so that pressing piece is located at the center of the first elastic element of platform shape, when pressing operation, the elastic construction on periphery
Uniformly deformation occurs.
Wherein, the angle that the opposite two sides of the first elastic element are formed is 30 ° -150 °.
Further, second elastic element is from the downwardly convex truncated cone-shaped structure of the pressing piece or prismatic table shape knot
Structure, the elasticity extrusion head are located at the raised end of second elastic element, and elastic extrusion head is made to be located at the second elasticity of platform shape
The admittance point of the center of element and corresponding film circuit board herein, when pressing operation, elastic extrusion head is squeezed to admittance point,
And uniformly deformation occurs for the elastic construction on periphery.
Wherein, the angle that the opposite two sides of second elastic element are formed is 60 ° -150 °.
The utility model has the advantages that compared with prior art, the advantages of the utility model are as follows: firstly, this key passes through to face contact
The restriction of position shortens key response feedback stroke, reduces the conducting response time, improves key response efficiency；Secondly,
This press-key structure possesses bigger elastic feedback power, improves operating handle after pressing the button.
Detailed description of the invention
Fig. 1 is conventional keys structural section figure；
Fig. 2 is conventional keys structure pressing state figure；
Fig. 3 is conventional keys structure pressing force and travel feedback curve component；
Fig. 4 is conventional keys structure pressing force and travel feedback curve total figure；
Fig. 5 is the high response efficiency press-key structure sectional view of the utility model；
Fig. 6 is the high response efficiency press-key structure pressing state figure of the utility model；
Fig. 7 is the high response efficiency press-key structure pressing force of the utility model and travel feedback curve component；
Fig. 8 is the high response efficiency press-key structure pressing force of the utility model and travel feedback curve total figure；
Fig. 9 is the high response efficiency press-key structure pressing force of the utility model and travel feedback curve combining comparison diagram.
Specific embodiment
The technical solution of the utility model is further described with reference to the accompanying drawings and examples.
The high response efficiency press-key structure of the utility model as shown in Figure 5, the press-key structure are arranged in film circuit board 1
On, which includes the wiring board upper layer stacked gradually, interlayer and wiring board lower layer in wiring board, wiring board upper layer
Upper layer circuit and lower sandwich circuit are correspondingly arranged with wiring board lower layer, and wiring board upper layer is under pressure g1It can make upper layer circuit under
Conducting is realized in sandwich circuit contact.
Press-key structure includes: pressing piece 2, and the pressing piece 2 is arranged by the first elastic element 3 in the film circuit board
1 top elasticity can simultaneously press downwards, which is the truncated cone-shaped structure to raise upward from the film circuit board 1,
And its angle for corresponding to two sides is 30 ° -150 °, preferably 60 °, which is located at the protruding end of first elastic element 3
Portion, when pressing operation, uniformly deformation occurs for the elastic construction on periphery.
Elastic extrusion head 4, the elasticity extrusion head 4 are arranged below pressing piece 2 by the second elastic element 5, are suspended from institute
1 top of film circuit board is stated, which is the truncated cone-shaped structure downwardly convex from the pressing piece 2, and it is corresponded to
The angle that two sides are formed is 60 ° -150 °, and preferably 100 °, the elasticity extrusion head 4 is located at second elastic element 5
Raised end makes elastic extrusion head 4 be located at the center of the second elastic element of truncated cone-shaped 5 and corresponds to film circuit board 1 herein
Admittance point, wherein for S at a distance from the bottom and the film circuit board 1 pressing surface of the elasticity extrusion head 41, pressing piece
2 push total height as S (feedback total kilometres), 0 < S1< 2/3S, S1=0 and S1=2/3S is the extreme case at both ends, S1=0
I.e. elastic extrusion head 4 is contacted with film circuit board 1, only need to slightly be pressed and can be connected, S1=2/3S only has g1Just meet when=0
This patent requirement, so not in the protection scope of this patent.The present embodiment uses S1=1/3S.
As shown in fig. 6, being pressed down on when pressing operation by pressing piece 2, the first elastic element 3 first generates deformation, until bullet
Property extrusion head 4 and film circuit board 1 when contacting, elastic extrusion head 4 is under pressure, and the second elastic element 5 starts to generate deformation, together
When elasticity extrusion head 4 lower end generate deformation, until make the upper and lower level wiring circuit contact of film circuit board, signal conduction response.
(x-axis represents feedback stroke, y for this press-key structure pressing force as shown in Figure 7, Figure 8 and Figure 9 and travel feedback curve
Axis represents pressing force), elasticity 1 (the first elastic element 3) provides L1Curve feedback, 2 (elastic press head 4+ second of elasticity
Elastic element 5) curve feedback of L2 is provided, the g1 pressure that conducting response occurs to provide in elastic press head 4 is to film circuit board
When, it is whole to press the combination (L that feedback dynamics is elastic 1 with elasticity 23Curve feedback), the bottom of elastic press head 4 with it is thin
The distance of film wiring board P in 1/3S, figure1For collapse point, P1With P2Drop forms power feedback, FP2Point is conducting response point.
FP2Conducting response point occupy P1With P2Between, conducting response efficiency is higher.
This elasticity 1 is in P1Later strength collapse rate is very fast, and elasticity 2 is in P1With P2Middle-of-the-road forces have risen to greatly
In g1, film circuit board 1 is connected, and simultaneously in P2Point is due to 1/2F=g2+g3, and elastic 1 reduction speed is very fast, elasticity 2
Portion's rate of rise is slower.P2Far smaller than P1, therefore elastic feedback power is larger, soft handle.
Claims (8)
1. a kind of high response efficiency press-key structure, which is arranged on film circuit board (1) characterized by comprising
Pressing piece (2), the pressing piece (2) are arranged above the film circuit board (1) by the first elastic element (3) and can
Elasticity pressing downwards；
Elastic extrusion head (4), the elasticity extrusion head (4) connect with the pressing piece (2), and the pressing piece (2) presses down on
Driving the elastic extrusion head (4) to press to film circuit board (1) makes line conduction；
The distance on the bottom of the elasticity extrusion head (4) to the film circuit board (1) pressing surface is S1, pressing piece (2) pushing
Total height is S, wherein 0 < S1< 2/3S.
2. high response efficiency press-key structure according to claim 1, it is characterised in that: 1/6S < S1< 2/3S.
3. high response efficiency press-key structure according to claim 1, it is characterised in that: S1=1/3S.
4. high response efficiency press-key structure according to claim 1, it is characterised in that: the elasticity extrusion head (4) passes through
Second elastic element (5) is set to below pressing piece (2).
5. high response efficiency press-key structure according to claim 1, it is characterised in that: first elastic element (3) is
The truncated cone-shaped structure or prismatic table shape structure to raise upward from the film circuit board (1), the pressing piece (2) are located at described first
The raised end of elastic element (3).
6. high response efficiency press-key structure according to claim 5, it is characterised in that: the first elastic element (3) phase
Pair two sides formed angle be 30 ° -150 °.
7. high response efficiency press-key structure according to claim 4, it is characterised in that: second elastic element (5) is
The truncated cone-shaped structure or prismatic table shape structure downwardly convex from the pressing piece (2), the elasticity extrusion head (4) are located at described second
The raised end of elastic element (5).
8. high response efficiency press-key structure according to claim 7, it is characterised in that: the second elastic element (5) phase
Pair two sides formed angle be 60 ° -150 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821883365.3U CN209045418U (en) | 2018-11-15 | 2018-11-15 | A kind of high response efficiency press-key structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821883365.3U CN209045418U (en) | 2018-11-15 | 2018-11-15 | A kind of high response efficiency press-key structure |
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| CN209045418U true CN209045418U (en) | 2019-06-28 |
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| CN201821883365.3U Active CN209045418U (en) | 2018-11-15 | 2018-11-15 | A kind of high response efficiency press-key structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI761091B (en) * | 2021-02-25 | 2022-04-11 | 致伸科技股份有限公司 | Key structure |
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2018
- 2018-11-15 CN CN201821883365.3U patent/CN209045418U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI761091B (en) * | 2021-02-25 | 2022-04-11 | 致伸科技股份有限公司 | Key structure |
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