CN107644763A - Key structure - Google Patents
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- CN107644763A CN107644763A CN201711051472.XA CN201711051472A CN107644763A CN 107644763 A CN107644763 A CN 107644763A CN 201711051472 A CN201711051472 A CN 201711051472A CN 107644763 A CN107644763 A CN 107644763A
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- Prior art keywords
- support feet
- support
- key structure
- keycap
- angle
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Abstract
The present invention includes on a kind of key structure, the key structure：Keycap, cantilever member and circuit substrate.Cantilever member has loading end, the first support feet, the second support feet and abutting arrangement, when keycap is by pressed by external force, due to the cantilever nature of cantilever member, first support feet and the second support feet can stress and elastic deformations, so that abutting arrangement abuts the lower surface of circuit substrate, and reach the button operation of one side.Therefore, key structure of the invention, can meet user in unilateral Cao Zuoanjian the needs of.
Description
Technical field
The present invention relates to a kind of key structure, more specifically, refer to it is a kind of can be used in various keyboard unilateral operation by
The key structure of key.
Background technology
In key structure, to avoid keycap that the situation of card key occurs during pressing, current key structure is usual
Linkage part can be provided with, described linkage part there are various structure types, and practises and claim scissor to be the gearing for being common in keycap
Component.
Scissor formula linkage part can be such that all directions position of keycap is synchronously moved up and down during pressing, so
And the height that the setting of scissor formula linkage part frequently can lead to button can not be reduced effectively so that key structure it is frivolous
Change design and face bottleneck, in addition, in existing keyboard as shown in Figure 1, the keycap of function key 2 only has close to the pressing side of user
21 can by the pressing force for coming from user, thus, the keycap of keyboard function key 2 is during pressing, it is only necessary in keyboard
Moved up and down on the pressing side 21 of function key 2, you can meet user in 2 operational demand of function key, therefore, effectively to drop
The height of low keyboard function key, the linkage part by other structures form may be selected, to substitute existing scissor formula to interlock
Component.
Therefore, how a kind of key structure is provided, in the case of without using scissor formula linkage part, meets user
The demand of unilateral Cao Zuoanjian, gradually turn into present industry then and desire most ardently the technology subject under discussion that challenge overcomes.
The content of the invention
In view of above-mentioned prior art can not be reduced effectively the shortcomings that keyboard function key height, the present invention provides a kind of button structure
Make, including：Keycap；Cantilever member, the cantilever member have loading end, at least at least one first support feet, one second support feet
With abutting arrangement, the keycap is arranged at the loading end, the loading end in away from least one first support feet with this at least 1 the
There is press-side at two support feets, at least one first support feet extends downwardly along a first direction from the loading end for this, and this second
Support feet extends downwardly from the loading end along second direction, and the second lower end of second support feet bends and forms this and support upward
Binding structure, wherein, the first direction has first angle of cut with the loading end, and the second direction has second to hand over the loading end
Angle, the angle of first angle of cut are different from the angle of second angle of cut；Circuit substrate, the circuit substrate are arranged under the keycap
There is switch and stopper section, the first lower end of at least one first support feet to be fixed on the circuit substrate for side, the circuit substrate,
Second lower end of at least one second support feet is movably extended below the stopper section；Wherein, when the keycap is pressed by external force
During pressure, the press-side can be positioned against lower position movement from initial height, and due to the cantilever nature of the cantilever member, this at least one
First support feet and at least one second support feet can stress and elastic deformation, should when the press-side is moved to the lower position
Abutting arrangement can be connected to the lower surface of the stopper section, and the keycap can trigger the switch；When the external force for pressing the keycap releases
When, at least one second support feet can restore at least one first support feet with this, the press-side is returned by the lower position
The initial high position.
As optional technical scheme, the circuit substrate includes circuit board and bottom plate, and the circuit board is arranged on the bottom plate
Side, the switch are located on the circuit board.
As optional technical scheme, first lower end of at least one first support feet is towards the direction parallel to the bottom plate
Extend and form tabular fixed structure, the tabular fixed structure is used for the fixed part for fixing the bottom plate.
As optional technical scheme, the tabular fixed structure fixes the bottom plate by riveting, thermal welding or gum mode
The fixed part.
As optional technical scheme, second lower end of at least one second support feet is towards the direction parallel to the bottom plate
Extend to the lower section of the stopper section.
As optional technical scheme, at least one first support feet has two the first support feets, and this at least one second
Support feet is located between two first support feets；Or at least one second support feet has two the second support feets, this is extremely
Few one first support feet is located between two second support feets；Or at least one first support feet has two first
Spike, at least one second support feet have two the second support feets, and two first support feets are located at this two second supports
Between pin.
As optional technical scheme, the cantilever member in the outward flange of the loading end formed with flanging, the flanging to
Strengthen the structural strength of the cantilever member.
It is big as optional technical scheme, the sectional area of at least one first support feet close to the top position of the loading end
Sectional area at least middle part of one first support feet, the lower portion of at least one first support feet close to the bottom plate
Sectional area be more than the sectional area of at least middle part of one first support feet.
As optional technical scheme, the cantilever member has triggering hole to the position that should be switched, and the keycap is by this
Trigger the switch in triggering hole.
As optional technical scheme, first angle of cut is 30 to 40 degree, and second angle of cut is 50 to 65 degree.
Compared to prior art, key structure of the invention, by the elastic deformation of multiple support feets of cantilever member, make
Keycap moves on the pressing side of button and carries out unilateral button operation, to meet the needs of user one side Cao Zuoanjian.In addition,
Multiple support feet bearing of trends of cantilever member are different, and can ensure that abutting arrangement abuts circuit substrate, so reach button by
Press the limitation of stroke.
Brief description of the drawings
Fig. 1 is the existing keyboard schematic diagram for including function key.
Fig. 2 is the embodiment schematic diagram of key structure of the present invention.
Fig. 3 is the decomposing schematic representation of key structure shown in Fig. 2.
Fig. 4 A are the top view of key structure shown in Fig. 2.
Fig. 4 B are the enlarged diagram of dashed region in key structure shown in Fig. 4 A.
Fig. 5 is the schematic cross-section that key structure shown in Fig. 4 A is cut off in first state along AA line segments.
Fig. 6 is the schematic cross-section that key structure shown in Fig. 4 A is cut off in the second state along AA line segments.
Fig. 7 is the first embodiment schematic diagram of the cantilever member of key structure of the present invention.
Fig. 8 is the second embodiment schematic diagram of the cantilever member of key structure of the present invention.
Embodiment
Herein below will be arranged in pairs or groups schema, and the technology contents of the present invention are illustrated by particular specific embodiment, are familiar with this skill
The personage of art can be understood other advantages and effect of the present invention easily by content disclosed in the present specification.The present invention also can be by
Implemented or applied by other different specific embodiments.The various details in this specification can also be based on different viewpoints with answering
With, under the spirit without departing substantially from the present invention, the various modifications of progress and change.Especially, the ratio of each component is closed in schema
System and relative position only have exemplary use, not represent the actual state that the present invention is implemented.
The key structure of the present invention, makes keycap be moved on the pressing side of button to carry out button behaviour by cantilever member
Make, in the case of without using scissor formula linkage part, to meet user on button operation the needs of, and available for various
The function key of keyboard and the button of unilateral operation.
For the key structure of the present invention, please also refer to Fig. 2 in diagram to Fig. 8.
Embodiment as shown in Figure 2 to Figure 3, key structure 1 include keycap 11, cantilever member 12 and circuit substrate 13.Institute
Cantilever member 12 is stated with loading end 121, the first support feet 122, the second support feet 123 and abutting arrangement 1231.The circuit
Bottom plate 13 is arranged at the lower section of keycap 11, and comprising circuit board 131 and bottom plate 132, circuit board 131 is arranged at the top of bottom plate 132, and
There is 1311 (as shown in Figure 5) of switch and elastomer 1312, elastomer 1312 is covered on switch 1311 on circuit board 131；
There is stopper section 1321 and fixed part 1322 on bottom plate 132.Elastomer 1312 may be, for example, metal clips (metal dome), when
When elastomer 1312 is deformed by pressed by external force, it can promote to turn between the electrode of switch 1311 and complete touching for switch 1311
Hair, opposite, when elastomer 1312 does not arrive pressed by external force and when keeping original form, switching can then keep non-between 1311 electrode
The state of conducting.
First lower end fixed-link of the first support feet 122 is on circuit substrate 13, using the fixation as cantilever member 12
End, as Fig. 3 to Fig. 4 B embodiment in, the first lower end of the first support feet 122 extends towards the direction parallel to bottom plate 132, and
The tabular fixed structure 1224 of the fixed part 1322 for fixing bottom plate 132 is formed, it should be noted that tabular fixed structure 1224
The fixed part 1322 of bottom plate 132 can be fixed on by fixed forms such as riveting, thermal welding or gums, and reach the first support feet
122 and the combination between the two of bottom plate 132.In the present embodiment, as shown in Figure 4 A, tabular fixed structure 1224 has U-shaped open
Mouthful, the fixed part 1322 of bottom plate 132 is the locating dowel prominent from bottom plate 132, and locating dowel is embedded in U-shaped opening, and bottom plate 132 is solid
Fixed board shape fixed structure 1224 thereon, and reaches the combination of the first support feet 122 and bottom plate 132 between the two.
Second lower end of the second support feet 123 is movably extended below stopper section 1321, and the second support feet 123
Second lower end bends and forms abutting arrangement 1231 upward, as Fig. 3 to Fig. 4 B embodiment in, the second of the second support feet 123
Lower end extends to the lower section of stopper section 1321 towards the direction parallel to bottom plate 132.Specifically, reference picture 3 and Fig. 5 in the lump, this
In embodiment, the second lower end of corresponding second support feet 123 of bottom plate 132 has through hole, the second lower end of the second support feet 123
And extend the abutting arrangement 1231 to be formed from the second lower end and enter in above-mentioned through hole, abutting arrangement 1231 can be in above-mentioned through hole
In move up and down, and when abutting arrangement 1231 is moved to extreme higher position (now press-side 1211 is located at lower position P2), thereon
Surface abuts the lower surface of stopper section 1321.Wherein, stop portion 1321 can be formed to be bent upward from a side of through hole
Block piece, block piece is substantially parallel to bottom plate 132.
On the first support feet 122 of the present invention and the position relationship of the second support feet 123, optionally, such as Fig. 7
In embodiment, two the first support feets 122 and second support feet 123, the second support feet 123 is set to be arranged at two first
Between support feet 122, or, as Fig. 8 embodiment in, first support feet 122 and two the second support feets 123 are set,
First support feet 122 is arranged between two the second support feets 123；Also or, as shown in fig. 1, two first supports are set
Pin 122 and two the second support feets 123, two the first support feets 122 are wholy set in two the second support members 123 as one
Between.
With continued reference to Fig. 3, Fig. 5 and Fig. 6, the loading end 121 of cantilever member 12 has keycap setting structure, with cantilever structure
Keycap 11 is set on part 12, and loading end 121 has press-side at away from the first support feet 122 and the second support feet 123
1211, press-side 1211 is one end of the pressing side of corresponding keycap 11, therefore when the pressing side of keycap 11 is by pressed by external force
When, press-side 1211 can move (as shown in Figure 6) from initial high position P1 (as shown in Figure 5) towards lower position P2, until complete
Triggering into keycap 11 to switch 1311, when make it that press-side 1211 moves due to the cantilever nature of cantilever member 12, first
The support feet 123 of spike 122 and second can stress and elastic deformation.In embodiment as shown in Figure 3, cantilever member 12 is in carrying
The outward flange in face 121 is able to bear pressed by external force, and hang formed with flanging 1212 to strengthen the structural strength of cantilever member 12
Arm member 12 has triggering hole 124 positioned at the top position of switch 131 so that 11 central bottom surface of keycap may pass through triggering hole 124
And abut the trigger switch 1311 of elastomer 1312.Wherein, the press-side 1211 of loading end 121 with set the first support feet 122 and
One end of second support feet 123 is relative, and the side where flanging 1212 is adjacent with the side where press-side 1211.
In embodiment as shown in Figure 5, the first support feet 122 from the side side of loading end 121 along a first direction V1 to
Lower extension, the second support feet 123 second direction V2 from the side edge of loading end 121 and extended downwardly, wherein, first direction V1
There is the first angle of cut θ 1 with loading end 121, second direction V2 and loading end 121 have the second angle of cut θ 2, in the present embodiment, first
Angle of cut θ 1 is less than the second angle of cut θ 2, therefore when press-side 1211 is moved to lower position P2, due to the of the first support feet 122
One lower end is fixedly connected on bottom plate 132, and the first support feet 122 can form cantilever and be deformed in the pressing lateral bend of keycap 11, and
The abutting arrangement 1231 of second support feet 123 can be connected to the lower surface of stopper section 1321, can also form cantilever with keycap 11
Pressing flexural deformation.It is separately sayed, because the first angle of cut θ 1 is different from the second angle of cut θ 2 so that the first support feet 122 and second
After support feet 123 forms cantilever, the second support feet 123 can resist the flexural deformation of the first support feet 122, can so improve first
Support feet 122 resists the strength that press-side 1211 moves downward, and increases the rigidity of key structure 1, there is provided by pressure resistance, and then
Meets user in button operation feel the needs of.Optionally, the first angle of cut θ 1 is 30 to 40 degree, and the second angle of cut θ 2 is 50
To 65 degree.In addition, in other embodiments of the present invention, first angle of cut is also greater than second angle of cut, substantially, it is only necessary to meets
The angle of one angle of cut and the angle difference of second angle of cut.
It is another that it should be noted that in embodiments of the invention, stopper section 1321 also may be provided on circuit board 131, with
For the abutting of the abutting arrangement 1231 of the second support feet 123 when press-side 1211 is moved to lower position P2, and improve the first support feet
The strength that 122 confrontation press-sides 1211 move down.
Furthermore it should be noted that when the external force for pressing keycap 11 releases, the first support feet 122 and the second support feet 123
Meeting elastic recovery original state so that the press-side 1211 of cantilever member 12 can be returned to initial high position P1 by lower position P2, with etc.
The subsequent operation of person to be used.
In addition, as shown in Figure 4 B, due to the first support feet 122 middle part 1222 flexural deformation can it is related under the influence of
The degree of the square flexural deformation of position 1223, thus, the profile and chi of the middle part 1222 of the first support feet 122 can be adjusted by
It is very little, to change the pressing force size for needing to apply during user's Cao Zuoanjian to keycap 11, and then meet user in button operation hand
Demand in sense.For the profile and size of the middle part 1222 of the first support feet 122, optionally, in Fig. 3, Fig. 4 A
And in Fig. 4 B embodiment, the both sides of the middle part 1222 of the first support feet 122 are formed with arcuation breach so that with regard to sectional area
For, the first support feet 122 is more than the middle part 1222 of the first support feet 122 close to the top position 1221 of loading end 121,
First support feet 122 is more than the middle part 1222 of the first support feet 122 close to the lower portion 1223 of bottom plate 14.That is, first
Support feet 122 is essentially the narrow structure in the wide centre in both ends, and upper section 1221 and the width of section below 1223 are more than centre
The width of part 1222.
The key structure of the present invention, by the elastic deformation of multiple support feets on cantilever member, makes keycap can be in button
Pressing side on move and carry out unilateral button operation, to meet the needs of user one side Cao Zuoanjian.In addition, cantilever member
Multiple support feet bearing of trends are different, and can ensure that abutting arrangement abuts circuit substrate, and then reach the limit of key press stroke
System.
The principle and effect of above-described embodiment only illustrative present invention, not for the limitation present invention.It is any to be familiar with
The personage of technique can be modified above-described embodiment and changed under the spirit and scope without prejudice to the present invention.Cause
This, the scope of the present invention should be as listed by scope of the present invention patent.
Claims (10)
- A kind of 1. key structure, it is characterised in that including：Keycap；Cantilever member, the cantilever member have loading end, at least one first support feet, at least one second support feet with abutting knot Structure, the keycap are arranged at the loading end, and the loading end is in away from least one first support feet and at least one second support feet Place has press-side, and at least one first support feet extends downwardly along a first direction from the loading end for this, this at least one second Spike extends downwardly from the loading end along second direction, and the second lower end of at least one second support feet bends and formed upward Abutting arrangement, wherein, the first direction has first angle of cut with the loading end, and the second direction has second to hand over the loading end Angle, the angle of first angle of cut are different from the angle of second angle of cut；AndCircuit substrate, the circuit substrate are arranged at below the keycap, and the circuit substrate has switch and stopper section, and this at least 1 the First lower end of one support feet is fixed on the circuit substrate, and second lower end of at least one second support feet is movably prolonged Stretch in below the stopper section；Wherein, when the keycap is by pressed by external force, the press-side can be positioned against lower position movement from initial height, because this is outstanding The cantilever nature of arm member, at least one first support feet and at least one second support feet can stress and elastic deformation, when this When press-side is moved to the lower position, the abutting arrangement can be connected to the lower surface of the stopper section, and the keycap can trigger this and open Close；When the external force for pressing the keycap releases, at least one second support feet can reply original at least one first support feet with this Shape, the press-side is set to return to the initial high position by the lower position.
- 2. key structure as claimed in claim 1, it is characterised in that the circuit substrate includes circuit board and bottom plate, the circuit Plate is arranged above the bottom plate, and the switch is located on the circuit board.
- 3. key structure as claimed in claim 2, it is characterised in that first lower end of at least one first support feet is towards flat Row forms tabular fixed structure in the extension of the direction of the bottom plate, and the tabular fixed structure is used for the fixed part for fixing the bottom plate.
- 4. key structure as claimed in claim 3, it is characterised in that the tabular fixed structure passes through riveting, thermal welding or the back of the body Glue mode fixes the fixed part of the bottom plate.
- 5. key structure as claimed in claim 2, it is characterised in that second lower end of at least one second support feet is towards flat Row extends to the lower section of the stopper section in the direction of the bottom plate.
- 6. key structure as claimed in claim 1, it is characterised in that at least one first support feet has two first supports Pin, at least one second support feet are located between two first support feets；Or at least one second support feet has two Second support feet, at least one first support feet are located between two second support feets；Or at least one first support feet With two the first support feets, at least one second support feet has two the second support feets, and two first support feets are located at Between two second support feets.
- 7. key structure as claimed in claim 1, it is characterised in that the cantilever member in the outward flange of the loading end formed with Flanging, the flanging is strengthening the structural strength of the cantilever member.
- 8. key structure as claimed in claim 1, it is characterised in that at least one first support feet is close to the upper of the loading end The width at square position is more than the width of at least middle part of one first support feet, and at least one first support feet is close to the bottom The width of the lower portion of plate is more than the width of at least middle part of one first support feet.
- 9. key structure as claimed in claim 1, it is characterised in that the cantilever member has triggering to the position that should be switched Hole, the keycap trigger the switch by the triggering hole.
- 10. key structure as claimed in claim 1, it is characterised in that first angle of cut is 30 to 40 degree, and second angle of cut is 50 to 65 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711051472.XA CN107644763B (en) | 2017-10-31 | 2017-10-31 | Key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711051472.XA CN107644763B (en) | 2017-10-31 | 2017-10-31 | Key structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107644763A true CN107644763A (en) | 2018-01-30 |
| CN107644763B CN107644763B (en) | 2019-06-04 |
Family
ID=61125215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711051472.XA Active CN107644763B (en) | 2017-10-31 | 2017-10-31 | Key structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107644763B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800104A (en) * | 1972-11-13 | 1974-03-26 | Becton Dickinson Co | Low profile keyboard switch assembly with snap action cantilever contact |
| US20030029704A1 (en) * | 2001-01-03 | 2003-02-13 | Meagher James Patrick | Door unlatch switch assembly |
| CN102339682A (en) * | 2010-07-16 | 2012-02-01 | 富泰华工业（深圳）有限公司 | Keystroke and input equipment using same |
| CN203339027U (en) * | 2013-04-13 | 2013-12-11 | 孔祥 | Spring plate device built in retractable keyboard |
| CN103903885A (en) * | 2012-12-25 | 2014-07-02 | 仁宝电脑工业股份有限公司 | key structure |
| WO2016161855A1 (en) * | 2015-04-05 | 2016-10-13 | 陈�峰 | Key switch device for sheet metal scissor support having elastic hook limit structure |
| CN106057533A (en) * | 2016-06-28 | 2016-10-26 | 苏州达方电子有限公司 | Key and keyboard |
-
2017
- 2017-10-31 CN CN201711051472.XA patent/CN107644763B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800104A (en) * | 1972-11-13 | 1974-03-26 | Becton Dickinson Co | Low profile keyboard switch assembly with snap action cantilever contact |
| US20030029704A1 (en) * | 2001-01-03 | 2003-02-13 | Meagher James Patrick | Door unlatch switch assembly |
| CN102339682A (en) * | 2010-07-16 | 2012-02-01 | 富泰华工业（深圳）有限公司 | Keystroke and input equipment using same |
| CN103903885A (en) * | 2012-12-25 | 2014-07-02 | 仁宝电脑工业股份有限公司 | key structure |
| CN203339027U (en) * | 2013-04-13 | 2013-12-11 | 孔祥 | Spring plate device built in retractable keyboard |
| WO2016161855A1 (en) * | 2015-04-05 | 2016-10-13 | 陈�峰 | Key switch device for sheet metal scissor support having elastic hook limit structure |
| CN106057533A (en) * | 2016-06-28 | 2016-10-26 | 苏州达方电子有限公司 | Key and keyboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107644763B (en) | 2019-06-04 |
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