CN105304384B - The key device of pressing noise can be reduced - Google Patents
The key device of pressing noise can be reduced Download PDFInfo
- Publication number
- CN105304384B CN105304384B CN201510578676.3A CN201510578676A CN105304384B CN 105304384 B CN105304384 B CN 105304384B CN 201510578676 A CN201510578676 A CN 201510578676A CN 105304384 B CN105304384 B CN 105304384B
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- CN
- China
- Prior art keywords
- butted
- tongue piece
- bar portion
- rotating fields
- key device
- 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 present invention provides a kind of key device for reducing pressing noise, include bottom plate, keycap, support bar and circuit board, the bottom plate has hole seat, the hole seat has pivoted hole, the keycap is arranged above the bottom plate, the support bar has the first bar portion and the second bar portion, first bar portion is articulated in the keycap, second bar portion is arranged in the pivoted hole, the circuit board is arranged on the bottom plate and includes the first Rotating fields, first butted tongue piece and the second butted tongue piece, the first butted tongue piece extends first Rotating fields along perpendicular to the direction of second bar portion, the second butted tongue piece extends first Rotating fields and relative with the first butted tongue piece along perpendicular to the direction of second bar portion.The present invention can solve the problems, such as that key device easily produces noise during pressing.
Description
Technical field
The present invention is on a kind of key device, espespecially a kind of key device for reducing pressing noise.
Background technology
In general, keyboard layout there are a plurality of key devices, so that user presses and produces input signal, and make user
Using a plurality of key devices input word, numeral, symbol etc..Known key device can be provided with support bar (link
Bar), to support the keycap opposed bottom of key device to move up and down, and between known support bar and bottom plate it is usually axle
(shaft member)-hole (hole) coordinates, and is usually that clearance coordinates between axis hole.Therefore, when key device is pressed, above-mentioned axle
The hole wall Chang Yin of part and hole be pressed phase mutually hit and produce noise.
The content of the invention
Therefore, an object of the present invention is to provide a kind of key device for reducing pressing noise, above-mentioned to solve
Key device easily in during pressing produce noise the problem of.
In order to reach above-mentioned purpose, a kind of key device for reducing pressing noise of the present invention, the key device includes：
Bottom plate, there is plate body and hole seat, the plate body has top surface, and the hole seat is connected to the top surface, and the hole seat has pivoted hole；Key
Cap, it is arranged at the top face of the bottom plate；Support bar, has the first bar portion and the second bar portion, and first bar portion is articulated in this
Keycap, second bar portion are arranged in the pivoted hole；And circuit board, it is arranged on the top surface.The circuit board includes：First layer
Structure；First butted tongue piece, first Rotating fields are extended along perpendicular to the direction of second bar portion；And the second butted tongue
Piece, first Rotating fields and, first bullet relative with the first butted tongue piece are extended along perpendicular to the direction of second bar portion
The upper wall that second bar portion up abuts the pivoted hole is flexibly supported jointly to tongue piece and the second butted tongue piece.
As optional technical scheme, first Rotating fields are corresponded at second bar portion formed with being arranged the first of the hole seat
Opening, second side of first opening with first side and the relative first side, the first butted tongue piece protrude from this
First side, the second butted tongue piece protrude from the second side.
As optional technical scheme, the first side is with the second side all parallel to second bar portion, first bullet
Protruded to tongue piece along perpendicular to the direction of the first side, and second butted tongue piece edge is dashed forward perpendicular to the direction of the second side
Go out.
As optional technical scheme, the first butted tongue piece forms the first ora terminalis with respect to the side of first side, and this
The side of two butted tongue piece opposed second sides forms the second ora terminalis, defines and cuts between first ora terminalis and second ora terminalis
Line, and one end of the cut-off lines is communicated in first opening.
As optional technical scheme, holes of first Rotating fields separately formed with the other end for being communicated in the cut-off lines.
As optional technical scheme, first opening is rectangular aperture, and the holes is circular open.
As optional technical scheme, second bar portion enters in first Rotating fields via the cut-off lines.
As optional technical scheme, the cut-off lines to should the second bar portion geometric center.
As optional technical scheme, the circuit board has additionally comprised the second Rotating fields, second Rotating fields be incorporated into this
One Rotating fields, second Rotating fields are formed with the second opening, and second opening covers the first butted tongue piece and this is second butted
Tongue piece.
As optional technical scheme, the circuit board has additionally comprised third layer structure, and the third layer structure setting is in the plate
On the top surface of body and be incorporated into second Rotating fields, the third layer structure formed with to should the second opening the 3rd opening,
The wherein first layer structure setting is on second Rotating fields, and the second layer structure is located at first Rotating fields and the third layer
Between structure.
In summary, when the support bar of key device of the present invention is installed on bottom plate, the second bar portion of support bar is worn
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, make the first butted tongue piece with
Second butted tongue piece bending deformation, while the first butted tongue piece is with the second butted tongue piece deformation, the first butted tongue piece and the
The second bar portion that two butted tongue pieces also flexibly support support bar jointly up abuts the upper wall of pivoted hole, with eliminate the second bar portion with
Clearance when pivoted hole coordinates, and then reduce noise of key device when pressing.
It can be obtained further by following detailed description of the invention and institute's accompanying drawings on the advantages and spirit of the present invention
Solution.
Brief description of the drawings
Fig. 1 is the schematic appearance of key device of the embodiment of the present invention.
Fig. 2 is the decomposing schematic representation of key device of the embodiment of the present invention.
Fig. 3 is that support bar of the embodiment of the present invention is installed on keycap in the schematic diagram at another visual angle.
Fig. 4 is the schematic diagram that support bar of the embodiment of the present invention is installed on bottom plate.
Fig. 5 is the decomposing schematic representation of circuit board of the embodiment of the present invention.
Fig. 6 is the diagrammatic cross-section of key device of the embodiment of the present invention.
Embodiment
The direction term being previously mentioned in following examples, such as：Upper and lower, left and right, front or rear etc., only it is to refer to appended drawings
The direction of formula.Therefore, the direction term used is intended to be illustrative and not intended to limit the present invention.Refer to Fig. 1 and Fig. 2, Fig. 1
For the schematic appearance of the key device 1000 of the embodiment of the present invention one, Fig. 2 is the decomposition of key device of the embodiment of the present invention 1000
Schematic diagram.As shown in Figure 1 and Figure 2, key device 1000 includes bottom plate 1, keycap 2, support bar 3 and circuit board 4, bottom plate
1 has plate body 10 and hole seat 11, and plate body 10 has top surface 101, and hole seat 11 is connected to top surface 101 and has pivoted hole 110.Keycap
2 set the top of top surface 101 of the plate body 10 of bottom plate 1, and support bar 3 is arranged between bottom plate 1 and keycap 2.
Referring to Fig. 2 to Fig. 4, Fig. 3 is that support bar of the embodiment of the present invention 3 is installed on keycap 2 in the schematic diagram at another visual angle,
Fig. 4 is the schematic diagram that support bar of the embodiment of the present invention 3 is installed on bottom plate 1.As shown in Figures 2 to 4, support bar 3 has the first bar
The bar portion 31 of portion 30 and second, keycap 2 have pin joint seat 20, and the first bar portion 30 is articulated in the pin joint seat 20 of keycap, the second bar portion 31
The pivoted hole 110 of hole seat 11 is arranged in, thereby support bar 3 can connect keycap 2 and bottom plate 1.In addition, key device 1000 separately wraps
Containing elastic component 5, it is connected to keycap 2.When the keycap 2 of key device 1000 is pressed, keycap 2 can move towards bottom plate 1, now
Support bar 3 drives keycap 2 steadily to be moved down towards bottom plate 1, and elastic component 5 is stored elastic potential energy by compression, works as key device
When 1000 keycap 2 is no longer pressed, elastic component 5 discharges the elastic potential energy and produces restoring force, to drive keycap 2 to reset, this
When support bar 3 drive keycap 2 steadily moved up away from bottom plate 1, thereby support bar 3 can drive the steady opposed bottom 1 of keycap 2
Move up and down.
Fig. 2 to Fig. 5 is referred to, Fig. 5 is the decomposing schematic representation of circuit board of the embodiment of the present invention 4.As shown in Figures 2 to 5, it is electric
Road plate 4 is arranged on the top surface 101 of plate body 10 and includes the first Rotating fields 40, the second Rotating fields 41 and third layer structure
42, the second Rotating fields 41 are incorporated into the first Rotating fields 40, and third layer structure 42 is arranged on the top surface 101 of the plate body 10 of bottom plate 1
And the second Rotating fields 41 are incorporated into, that is, the first Rotating fields 40 are disposed on the second Rotating fields 41, and the second Rotating fields 41
Between the first Rotating fields 40 and third layer structure 42, that is to say, that circuit board 4 by the top surface 101 of plate body 10 sequentially with
The order of third layer structure 42, the second Rotating fields 41 and the first Rotating fields 40 is set.Further, the first Rotating fields 40 corresponding the
There is first side 402 and relative first formed with the first opening 401 for being arranged hole seat 11, the first opening 401 at two bar portions 31
The second side 403 of side 402.
In addition, circuit board 4 has additionally comprised the first butted 43 and second butted tongue piece 44 of tongue piece, the first butted tongue piece 43 protrudes
In the first side 402 of the first opening 401, the second butted tongue piece 44 protrudes from the second side 403 of the first opening 401 and with the
One butted tongue piece 43 is relative.It is noted that the bearing of trend X1 of the pivoted hole 110 of hole seat 11 is parallel to first side 402
With 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 flat
Row is in first side 402 and second side 403 (i.e. parallel to the bearing of trend X1 of pivoted hole 110).In this embodiment, first
Butted tongue piece 43 along substantially perpendicular to first side 402 direction protrusion, and the second butted tongue piece 44 along substantially perpendicular to
The direction of second side 403 protrudes, therefore when the second bar portion 31 of support bar 3 is arranged in the pivoted hole 110 of hole seat 11, it is prominent
The first butted tongue piece 43 in first side 402 hangs down with protruding from the second butted tongue piece 44 of second side 403 along substantial
Directly the first Rotating fields 40 are extended in the direction of the second bar portion 31.
Further, the first butted tongue piece 43 forms the first ora terminalis 430 with respect to the side of first side 402, and second is butted
The side of the opposed second sides 403 of tongue piece 44 forms the second ora terminalis 440, defines and cuts between the first ora terminalis 430 and the second ora terminalis 440
Line 45, and one end of cut-off lines 45 is communicated in the first opening 401.In addition, the first Rotating fields 40 are separately formed with being communicated in cut-off lines
The holes 404 of 45 other end.When the first butted 43 and second butted tongue piece 44 of tongue piece does not stress, the first butted tongue piece 43 with
Second butted tongue piece 44 is not deformed and the first ora terminalis with the copline of the first Rotating fields 40, now the first butted tongue piece 43 respectively
430 abut the second ora terminalis 440 of the second butted tongue piece 44 and form cut-off lines 45, and when the first butted tongue piece 43 and second butted
During 44 stress of tongue piece, the first butted 43 and second butted tongue piece 44 of tongue piece can respectively to first opening 401 first side 402 with
Second side 403 is bent, 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 substantially round being open, but the present invention is not limited.
In addition, for the second Rotating fields 41 formed with the second opening 410, it is butted that the second opening 410 covers hole seat 11, first
43 and second butted tongue piece 44 of tongue piece, threeth opening 420 of the third layer structure 42 formed with corresponding second opening 410, i.e., the 3rd
Opening 420 also covers hole seat 11, the first butted 43 and second butted tongue piece 44 of tongue piece, therefore when the first butted tongue piece 43 and second
When butted tongue piece 44 is bent to first side 402 and the second side 403 of the first opening 401 respectively, the first butted tongue piece 43 with
Second butted tongue piece 44 can be smoothly bent into the second opening 410 and the 3rd opening 420, i.e., the second opening 410 and the 3rd opening
420 structure designs for covering the first butted tongue piece 43 and the second butted tongue piece 44 can ensure that the first butted tongue piece 43 and second butted
Tongue piece 44 will not be by the structure of circuit board 4 (the when first side 402 and the second side 403 to the first opening 401 are bent
Two-layer structure 41 and third layer structure 42) interference, in addition the second opening 410 be open 420 structures for covering hole seat 11 with the 3rd
Design can be such that the pivoted hole 110 on bottom plate 1 is sequentially protruded from via the 3rd opening the 420, second opening 410 and the first opening 401
Circuit board 4, the second bar portion 31 of support bar 3 is set to be arranged in the pivoted hole 110 of hole seat 11.
Fig. 2 to Fig. 6 is referred to, Fig. 6 is the diagrammatic cross-section of key device of the embodiment of the present invention 1000.Such as Fig. 2 to Fig. 6 institutes
Show, when support bar 3 is installed on bottom plate 1, the second bar portion 31 of support bar 3 is arranged in the pivoted hole 110 of hole seat 11, and now
Two bar portions 31 can compress the first butted 43 and second butted tongue piece 44 of tongue piece, make the first butted 43 and second butted tongue piece 44 of tongue piece
Deformed to the first side 402 of the first opening 401 and the bending of second side 403, and the second bar portion 31 can be entered via cut-off lines 45
Enter in the first Rotating fields 40, while the first butted 43 and second butted tongue piece 44 of tongue piece deformation, the first butted tongue piece 43 with
Also the second bar portion 31 of resilient support support bar 3 up abuts the upper wall of pivoted hole 110 to second butted tongue piece 44 jointly, to eliminate
Clearance when second bar portion 31 coordinates with pivoted hole 110, and then reduce noise of the key device 1000 when pressing.
It is noted that cut-off lines 45 correspond to the geometric center of the second bar portion 31 of support bar 3, i.e. cut-off lines 45 are right
Together in support bar 3 the second bar portion 31 central axis so that the second bar portion 31 can mean pressure support the first butted tongue piece 43 and the
Two butted tongue pieces 44.Consequently, it is possible to the first butted tongue piece 43 just can produce the deformation of equalization with the second butted tongue piece 44 and provide
The 31 uniform support force of the second bar portion of support bar 3.
Compared to prior art, when the support bar of key device of the present invention is installed on bottom plate, the second bar of support bar
Portion is arranged in the pivoted hole of hole seat, and now the second bar portion can compress the first butted tongue piece and the second butted tongue piece, makes first butted
Tongue piece and the second butted tongue piece bending deform, while the first butted tongue piece and the second butted tongue piece deform, the first butted tongue
Also the second bar portion of resilient support support bar up abuts the upper wall of pivoted hole to piece jointly with the second butted tongue piece, to eliminate second
Clearance when bar portion coordinates with pivoted hole, and then reduce noise of key device when pressing.
By the above detailed description of preferred embodiments, it is intended to more clearly describe the feature of the present invention with spiritual,
And not protection scope of the present invention is any limitation as with above-mentioned disclosed preferred embodiment.On the contrary, its purpose
It is intended to cover various changes and has being arranged in the scope of the claims of the invention to be applied of equality.Cause
This, the apllied scope of the claims of the present invention should make most broad explanation according to above-mentioned explanation, to cause it
Cover all possible change and the arrangement of tool equality.
Claims (7)
1. a kind of key device for reducing pressing noise, it is characterised in that the key device includes：
Bottom plate, there is plate body and hole seat, the plate body has top surface, and the hole seat is connected to the top surface, and the hole seat has pivoted hole；
Keycap, it is arranged at the top face of the bottom plate；
Support bar, there is the first bar portion and the second bar portion, first bar portion is articulated in the keycap, and second bar portion is arranged in the pivot
Connect hole；And
Circuit board, it is arranged on the top surface, the circuit board includes：
First Rotating fields；
First butted tongue piece, first Rotating fields are extended along perpendicular to the direction of second bar portion；And
Second butted tongue piece, along perpendicular to the direction of second bar portion extend first Rotating fields and with the first butted tongue piece
Relatively, the first butted tongue piece flexibly supports second bar portion with the second butted tongue piece and up abuts the upper of the pivoted hole jointly
Wall；
First Rotating fields are corresponded at second bar portion has first formed with the first opening for being arranged the hole seat, first opening
Side and the second side of the relative first side, the first butted tongue piece protrude from the first side, the second butted tongue piece
Protrude from the second side；The first butted tongue piece forms the first ora terminalis, the second butted tongue piece with respect to the side of first side
The side of opposed second sides forms the second ora terminalis, and cut-off lines, and the incision are defined between first ora terminalis and second ora terminalis
One end of line is communicated in first opening；
When the keycap is pressed, second bar portion compresses the first butted tongue piece and the second butted tongue piece, makes this first butted
Tongue piece deforms with the second butted tongue piece to the first side of first opening and second side bending, and second bar portion
It can enter via the cut-off lines in first Rotating fields.
2. key device as claimed in claim 1, it is characterised in that the first side and the second side all parallel to this
Two bar portions, the first butted tongue piece protrude along perpendicular to the direction of the first side, and the second butted tongue piece is along perpendicular to this
The direction of second side protrudes.
3. key device as claimed in claim 1, it is characterised in that first Rotating fields are separately formed with being communicated in the cut-off lines
The other end holes.
4. key device as claimed in claim 3, it is characterised in that first opening is rectangular aperture, and the holes is circle
Shape opening.
5. key device as claimed in claim 1, it is characterised in that the cut-off lines to should the second bar portion geometric center.
6. key device as claimed in claim 1, it is characterised in that the circuit board has additionally comprised the second Rotating fields, and this second
Rotating fields are incorporated into first Rotating fields, and for second Rotating fields formed with the second opening, it is first butted that second opening covers this
Tongue piece and the second butted tongue piece.
7. key device as claimed in claim 6, it is characterised in that the circuit board has additionally comprised third layer structure, the third layer
Structure setting is on the top surface of the plate body and being incorporated into second Rotating fields, and the third layer structure is formed with to that second should open
Mouthful the 3rd opening, the wherein first layer structure setting is on second Rotating fields, and the second layer structure is located at the first layer
Between structure and the 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 CN105304384A (en) | 2016-02-03 |
| CN105304384B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134387A (en) * | 2017-06-13 | 2017-09-05 | 苏州达方电子有限公司 | A kind of keyboard |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (2)
| 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 |
-
2015
- 2015-09-11 CN CN201510578676.3A patent/CN105304384B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105304384A (en) | 2016-02-03 |
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