CN105304384A - Key device capable of reducing pressing noise - Google Patents
Key device capable of reducing pressing noise Download PDFInfo
- Publication number
- CN105304384A CN105304384A CN201510578676.3A CN201510578676A CN105304384A CN 105304384 A CN105304384 A CN 105304384A CN 201510578676 A CN201510578676 A CN 201510578676A CN 105304384 A CN105304384 A CN 105304384A
- Authority
- CN
- China
- Prior art keywords
- tongue piece
- butted
- key device
- bar portion
- opening
- 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.)
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Classifications
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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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
Abstract
The invention provides a key device capable of reducing pressing noise, and the device comprises a bottom plate, a key cap, a supporting rod, and a circuit board. The bottom plate is provided with a hole seat, and the hole seat is provided with a pivot hole. The key cap is disposed above the bottom plate, and the supporting rod is provided with a first rod part and a second rod part. The first rod part is pivoted to the key cap, and the second rod part passes through the pivot hole. The circuit board is disposed on the bottom plate, and comprises a first structure, a first elastic butting tongue piece, and a second elastic butting tongue piece. The first elastic butting tongue piece extends to the first structure in a direction perpendicular to the second rod part. The second elastic butting tongue piece extends to the first structure in a direction perpendicular to the second rod body, and is opposite to the first elastic butting tongue piece. The device can solve a problem that a key device is liable to generate noise in a pressing process.
Description
Technical field
The present invention about a kind of key device, espespecially a kind of reduce pressing noise key device.
Background technology
Generally speaking, keyboard layout has a plurality of key device, produces input signal, and make user can utilize a plurality of key device input characters, numeral, symbol etc. for user's pressing.Known key device can be provided with support bar (linkbar), keycap opposed bottom in order to support keys device moves up and down, and known support bar be generally axle (shaft member)-hole (hole) between base plate and coordinate, and be generally clearance between axis hole and coordinate.Therefore, when key device is pressed, the hole wall Chang Yin of above-mentioned shaft member and the hole phase knock against each other that is pressed hits and produces noise.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of key device reducing pressing noise, to solve the problem that above-mentioned key device easily produces noise in pressing process.
In order to reach above-mentioned purpose, a kind of key device reducing pressing noise of the present invention, this key device includes: base plate, and have plate body and hole seat, this plate body has end face, and this hole seat is connected to this end face, and this hole seat has pivoted hole; Keycap, is arranged at this top face of this base plate; Support bar, has the first bar portion and the second bar portion, and this first bar portion is articulated in this keycap, and this second bar portion is arranged in this pivoted hole; And circuit board, be arranged on this end face.This circuit board includes: ground floor structure; First butted tongue piece, extends this ground floor structure along the direction perpendicular to this second bar portion; And the second butted tongue piece, extend this ground floor structure along the direction perpendicular to this second bar portion and relative with this first butted tongue piece, this first butted tongue piece up abuts the upper wall of this pivoted hole with this second bar portion of the common resiliency supported of this second butted tongue piece.
As optional technical scheme, this ground floor structure is to being formed with the first opening of this hole seat sheathed in the second place of bar portion, this first opening has the second side of first side and this first side relatively, this first butted tongue piece protrudes from this first side, and this second butted tongue piece protrudes from this second side.
As optional technical scheme, this first side and this second side are all parallel to this second bar portion, and this first butted tongue piece is given prominence to along the direction perpendicular to this first side, and this second butted tongue piece is given prominence to along the direction perpendicular to this second side.
As optional technical scheme, the side of this relative first side of the first butted tongue piece forms the first ora terminalis, the side of this second butted tongue piece opposed second sides forms the second ora terminalis, define cut-off lines between this first ora terminalis and this second ora terminalis, and one end of this cut-off lines is communicated in this first opening.
As optional technical scheme, this ground floor structure is separately formed with the holes of the other end being communicated in this cut-off lines.
As optional technical scheme, this first opening is rectangular aperture, and this holes is circular open.
As optional technical scheme, this second bar portion enters in this ground floor structure via this cut-off lines.
As optional technical scheme, this cut-off lines is to should the geometric center in the second bar portion.
As optional technical scheme, this circuit board separately includes second layer structure, and this second layer structure is incorporated into this ground floor structure, and this second layer structure is formed with the second opening, and this second opening contains this first butted tongue piece and this second butted tongue piece.
As optional technical scheme, this circuit board separately includes third layer structure, this third layer vibrational power flow is on this end face of this plate body and be incorporated into this second layer structure, this third layer structure is formed should the 3rd opening of the second opening, wherein this ground floor vibrational power flow is in this second layer structure, and this second layer structure is between this ground floor structure and this third layer structure.
In sum, when the support bar of key device of the present invention is installed on base plate, second bar portion of support bar is arranged in the pivoted hole of hole seat, now the second bar portion can compress the first butted tongue piece and the second butted tongue piece, first butted tongue piece and the second butted tongue piece are bent be out of shape, while the first butted tongue piece and the second butted tongue piece are out of shape, second bar portion of the first butted tongue piece and the second butted tongue piece also common resiliency supported support bar up abuts the upper wall of pivoted hole, to eliminate clearance when the second bar portion coordinates with pivoted hole, and then reduce the noise of key device in time pressing.
Can be further understood by following detailed Description Of The Invention and institute's accompanying drawings about the advantages and spirit of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of embodiment of the present invention key device.
Fig. 2 is the decomposing schematic representation of embodiment of the present invention key device.
Fig. 3 is that embodiment of the present invention support bar is installed on keycap in the schematic diagram at another visual angle.
Fig. 4 is the schematic diagram that embodiment of the present invention support bar is installed on base plate.
Fig. 5 is the decomposing schematic representation of embodiment of the present invention circuit board.
Fig. 6 is the generalized section of embodiment of the present invention key device.
Embodiment
The direction term mentioned in following examples such as: upper and lower, left and right, front or rear etc., is only the direction with reference to annexed drawings.Therefore, the direction term of use is used to illustrate and is not used for limiting the present invention.Refer to Fig. 1 and Fig. 2, Fig. 1 is the schematic appearance of the embodiment of the present invention one key device 1000, and Fig. 2 is the decomposing schematic representation of embodiment of the present invention key device 1000.As shown in Figure 1 and Figure 2, key device 1000 includes base plate 1, keycap 2, support bar 3 and circuit board 4, and base plate 1 has plate body 10 and hole seat 11, and plate body 10 has end face 101, and hole seat 11 is connected to end face 101 and has pivoted hole 110.Keycap 2 is arranged above the end face 101 of the plate body 10 of base plate 1, and support bar 3 is arranged between base plate 1 and keycap 2.
Refer to Fig. 2 to Fig. 4, Fig. 3 is that embodiment of the present invention support bar 3 is installed on keycap 2 in the schematic diagram at another visual angle, and Fig. 4 is the schematic diagram that embodiment of the present invention support bar 3 is installed on base plate 1.As shown in Figures 2 to 4, support bar 3 has the first bar portion 30 and the second bar portion 31, and keycap 2 has pin joint seat 20, and the first bar portion 30 is articulated in the pin joint seat 20 of keycap, second bar portion 31 is arranged in the pivoted hole 110 of hole seat 11, and support bar 3 just can connect keycap 2 and base plate 1 by this.In addition, key device 1000 separately comprises elastic component 5, and it is connected to keycap 2.When the keycap 2 of key device 1000 is pressed, keycap 2 can move towards base plate 1, now support bar 3 drives keycap 2 steadily to move down towards base plate 1, and elastic component 5 by compressing storage elasticity potential energy, when the keycap 2 of key device 1000 is no longer pressed, elastic component 5 discharges this elasticity potential energy and produces restoring force, resets to drive keycap 2, now support bar 3 drives keycap 2 steadily to move up away from base plate 1, and support bar 3 just can drive the steady opposed bottom 1 of keycap 2 to move up and down by this.
Refer to Fig. 2 to Fig. 5, Fig. 5 is the decomposing schematic representation of embodiment of the present invention circuit board 4.As shown in Figures 2 to 5, the end face 101 that circuit board 4 is arranged at plate body 10 includes ground floor structure 40, second layer structure 41 and third layer structure 42, second layer structure 41 is incorporated into ground floor structure 40, the end face 101 that third layer structure 42 is arranged at the plate body 10 of base plate 1 is incorporated into second layer structure 41, that is ground floor structure 40 is arranged in second layer structure 41, and second layer structure 41 is between ground floor structure 40 and third layer structure 42, that is, circuit board 4 by the end face 101 of plate body 10 sequentially with third layer structure 42, the order of second layer structure 41 and ground floor structure 40 is arranged.Further, corresponding second place of bar portion 31 of ground floor structure 40 is formed with the second side 403 that the first opening 401, first opening 401 overlapping apertured seat 11 has first side 402 and relative first side 402.
In addition, circuit board 4 separately includes the first butted tongue piece 43 and the second butted tongue piece 44, the butted tongue piece 44 in first side 402, second that first butted tongue piece 43 protrudes from the first opening 401 protrudes from the second side 403 of the first opening 401 and relative with the first butted tongue piece 43.It is worth mentioning that, the bearing of trend X1 of the pivoted hole 110 of hole seat 11 is parallel to first side 402 and second side 403, therefore, when the second bar portion 31 of support bar 3 is arranged in the pivoted hole 110 of hole seat 11, the second bar portion 31 is parallel to first side 402 and second side 403 (being namely parallel to the bearing of trend X1 of pivoted hole 110).In this embodiment, first butted tongue piece 43 is given prominence to along the direction being substantially perpendicular to first side 402, and the second butted tongue piece 44 is given prominence to along the direction being substantially perpendicular to second side 403, therefore, when the second bar portion 31 of support bar 3 is arranged in the pivoted hole 110 of hole seat 11, the first butted tongue piece 43 protruding from first side 402 all extends ground floor structure 40 along the direction being substantially perpendicular to the second bar portion 31 with the second butted tongue piece 44 protruding from second side 403.
Further, the side of the relative first side 402 of the first butted tongue piece 43 forms the first ora terminalis 430, the side of the second butted tongue piece 44 opposed second sides 403 forms the second ora terminalis 440, define cut-off lines 45 between the first ora terminalis 430 and the second ora terminalis 440, and one end of cut-off lines 45 is communicated in the first opening 401.In addition, ground floor structure 40 is separately formed with the holes 404 of the other end being communicated in cut-off lines 45.When the first butted tongue piece 43 and the second butted tongue piece 44 do not stress, first butted tongue piece 43 and the second butted tongue piece 44 be not all out of shape and respectively with ground floor structure 40 copline, now the first ora terminalis 430 of the first butted tongue piece 43 abuts the second ora terminalis 440 of the second butted tongue piece 44 and forms cut-off lines 45, and when the first butted tongue piece 43 and the second butted tongue piece 44 stressed time, first butted tongue piece 43 and the second butted tongue piece 44 can bend with second side 403 respectively to the first side 402 of the first opening 401, and now cut-off lines 45 can expand and form passage.In this embodiment, the first opening 401 is essentially rectangular aperture, and holes 404 is essentially circular open, but the present invention does not limit by this.
In addition, second layer structure 41 is formed with the second opening 410, second opening 410 coverage holes seat 11, first butted tongue piece 43 and the second butted tongue piece 44, third layer structure 42 is formed with the 3rd opening 420 of corresponding second opening 410, i.e. the 3rd opening 420 also coverage holes seat 11, first butted tongue piece 43 and the second butted tongue piece 44, therefore when the first butted tongue piece 43 and the second butted tongue piece 44 bend with second side 403 respectively to the first side 402 of the first opening 401, first butted tongue piece 43 and the second butted tongue piece 44 can bend smoothly and enter the second opening 410 and the 3rd opening 420, namely the structural design that the second opening 410 and the 3rd opening 420 contain the first butted tongue piece 43 and the second butted tongue piece 44 can guarantee that the first butted tongue piece 43 and the second butted tongue piece 44 can not be subject to the interference of circuit board 4 structure (second layer structure 41 and third layer structure 42) when bending to the first side 402 of the first opening 401 with second side 403, in addition the structural design of the second opening 410 and the 3rd opening 420 coverage holes seat 11 can make pivoted hole 110 on base plate 1 sequentially via the 3rd opening 420, second opening 410 and the first opening 401 protrude from circuit board 4, make the second bar portion 31 of support bar 3 can be arranged in the pivoted hole 110 of hole seat 11.
Refer to Fig. 2 to Fig. 6, Fig. 6 is the generalized section of embodiment of the present invention key device 1000.As shown in Figures 2 to 6, when support bar 3 is installed on base plate 1, second bar portion 31 of support bar 3 is arranged in the pivoted hole 110 of hole seat 11, now the second bar portion 31 can compress the first butted tongue piece 43 and the second butted tongue piece 44, first butted tongue piece 43 and the second butted tongue piece 44 are bent to the first side 402 of the first opening 401 with second side 403 be out of shape, and the second bar portion 31 can enter in ground floor structure 40 via cut-off lines 45, while the first butted tongue piece 43 and the second butted tongue piece 44 are out of shape, second bar portion 31 of the first butted tongue piece 43 and the second butted tongue piece 44 also common resiliency supported support bar 3 up abuts the upper wall of pivoted hole 110, to eliminate clearance when the second bar portion 31 coordinates with pivoted hole 110, and then reduce the noise of key device 1000 in time pressing.
It is worth mentioning that, cut-off lines 45 corresponds to the geometric center in the second bar portion 31 of support bar 3, and namely cut-off lines 45 is aligned in the central axis in the second bar portion 31 of support bar 3, makes the second bar portion 31 mean pressure can support the first butted tongue piece 43 and the second butted tongue piece 44.Thus, the first butted tongue piece 43 and the second butted tongue piece 44 just can produce impartial distortion and provide support the uniform support force in the second bar portion 31 of bar 3.
Compared to prior art, when the support bar of key device of the present invention is installed on base plate, second bar portion of support bar is arranged in the pivoted hole of hole seat, now the second bar portion can compress the first butted tongue piece and the second butted tongue piece, first butted tongue piece and the second butted tongue piece are bent be out of shape, while the first butted tongue piece and the second butted tongue piece are out of shape, second bar portion of the first butted tongue piece and the second butted tongue piece also common resiliency supported support bar up abuts the upper wall of pivoted hole, to eliminate clearance when the second bar portion coordinates with pivoted hole, and then reduce the noise of key device in time pressing.
By the above detailed description of preferred embodiments, be wish clearly to describe feature of the present invention and spirit, and not with above-mentioned disclosed preferred embodiment, protection scope of the present invention limited.On the contrary, its objective is wish to contain various change and tool equality be arranged in the present invention institute in the protection range of claim applied for.Therefore, the protection range of the claim that the present invention applies for should do the broadest explanation, with the arrangement causing it to contain all possible change and tool equality according to above-mentioned explanation.
Claims (10)
1. can reduce a key device for pressing noise, it is characterized in that this key device includes:
Base plate, have plate body and hole seat, this plate body has end face, and this hole seat is connected to this end face, and this hole seat has pivoted hole;
Keycap, is arranged at this top face of this base plate;
Support bar, has the first bar portion and the second bar portion, and this first bar portion is articulated in this keycap, and this second bar portion is arranged in this pivoted hole; And
Circuit board, be arranged on this end face, this circuit board includes:
Ground floor structure;
First butted tongue piece, extends this ground floor structure along the direction perpendicular to this second bar portion; And
Second butted tongue piece, along extending this ground floor structure perpendicular to the direction in this second bar portion and relative with this first butted tongue piece, this first butted tongue piece up abuts the upper wall of this pivoted hole with this second bar portion of the common resiliency supported of this second butted tongue piece.
2. key device as claimed in claim 1, it is characterized in that, this ground floor structure is to being formed with the first opening of this hole seat sheathed in the second place of bar portion, this first opening has the second side of first side and this first side relatively, this first butted tongue piece protrudes from this first side, and this second butted tongue piece protrudes from this second side.
3. key device as claimed in claim 2, it is characterized in that, this first side and this second side are all parallel to this second bar portion, and this first butted tongue piece is given prominence to along the direction perpendicular to this first side, and this second butted tongue piece is given prominence to along the direction perpendicular to this second side.
4. key device as claimed in claim 2, it is characterized in that, the side of this relative first side of the first butted tongue piece forms the first ora terminalis, the side of this second butted tongue piece opposed second sides forms the second ora terminalis, define cut-off lines between this first ora terminalis and this second ora terminalis, and one end of this cut-off lines is communicated in this first opening.
5. key device as claimed in claim 4, it is characterized in that, this ground floor structure is separately formed with the holes of the other end being communicated in this cut-off lines.
6. key device as claimed in claim 5, it is characterized in that, this first opening is rectangular aperture, and this holes is circular open.
7. key device as claimed in claim 4, it is characterized in that, this second bar portion enters in this ground floor structure via this cut-off lines.
8. key device as claimed in claim 4, is characterized in that, this cut-off lines is to should the geometric center in the second bar portion.
9. key device as claimed in claim 1, it is characterized in that, this circuit board separately includes second layer structure, and this second layer structure is incorporated into this ground floor structure, this second layer structure is formed with the second opening, and this second opening contains this first butted tongue piece and this second butted tongue piece.
10. key device as claimed in claim 9, it is characterized in that this circuit board separately includes third layer structure, this third layer vibrational power flow is on this end face of this plate body and be incorporated into this second layer structure, this third layer structure is formed should the 3rd opening of the second opening, wherein this ground floor vibrational power flow is in this second layer structure, and this second layer structure is between this ground floor structure and this third layer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578676.3A CN105304384B (en) | 2015-09-11 | 2015-09-11 | The key device of pressing noise can be reduced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578676.3A CN105304384B (en) | 2015-09-11 | 2015-09-11 | The key device of pressing noise can be reduced |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105304384A true CN105304384A (en) | 2016-02-03 |
| CN105304384B CN105304384B (en) | 2017-12-05 |
Family
ID=55201500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510578676.3A Active CN105304384B (en) | 2015-09-11 | 2015-09-11 | The key device of pressing noise can be reduced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105304384B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933054A (en) * | 2017-06-13 | 2018-12-04 | 苏州达方电子有限公司 | Key and its assemble method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001222928A (en) * | 2000-02-09 | 2001-08-17 | Oki Electric Ind Co Ltd | Membrane keyboard |
| CN201289803Y (en) * | 2008-09-19 | 2009-08-12 | 达方电子股份有限公司 | Key-press and keyboard |
| CN102376468A (en) * | 2010-08-27 | 2012-03-14 | 旭丽电子(广州)有限公司 | Key device |
| CN104840166A (en) * | 2015-06-05 | 2015-08-19 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washing machine guide rail retaining block, dish washing machine guide limiting structure and dish washing machine |
-
2015
- 2015-09-11 CN CN201510578676.3A patent/CN105304384B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001222928A (en) * | 2000-02-09 | 2001-08-17 | Oki Electric Ind Co Ltd | Membrane keyboard |
| CN201289803Y (en) * | 2008-09-19 | 2009-08-12 | 达方电子股份有限公司 | Key-press and keyboard |
| CN102376468A (en) * | 2010-08-27 | 2012-03-14 | 旭丽电子(广州)有限公司 | Key device |
| CN104840166A (en) * | 2015-06-05 | 2015-08-19 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washing machine guide rail retaining block, dish washing machine guide limiting structure and dish washing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933054A (en) * | 2017-06-13 | 2018-12-04 | 苏州达方电子有限公司 | Key and its assemble method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105304384B (en) | 2017-12-05 |
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