CN205376363U - Button subassembly of capacitanc keyboard - Google Patents
Button subassembly of capacitanc keyboard Download PDFInfo
- Publication number
- CN205376363U CN205376363U CN201521040069.3U CN201521040069U CN205376363U CN 205376363 U CN205376363 U CN 205376363U CN 201521040069 U CN201521040069 U CN 201521040069U CN 205376363 U CN205376363 U CN 205376363U
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- guide post
- cavity
- axle
- post
- capacitor dielectric
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Abstract
Button subassembly of capacitanc keyboard includes and presses axle, key -holder, guide bar, electric capacity medium module, circuit board, auxiliary spring and main spring, key -holder installs on the circuit board, and key -holder's upper end and lower extreme have been seted up the cavity that leads and has been extended to down the cavity that leads with the cavity that leads down, guide bar from the last cavity that leads, locate according to the axle sleeve outside the upper end of guide bar, electric capacity medium module is installed in the lower extreme of guide bar, a broken line type spout is respectively offered according to the double -phase of axle to the lateral wall along radially extending the double -phase right post that hits in the upper end of guide bar, outside the guide bar was located to the main spring cover, the bottom according to the axle was connected to the upper end of main spring, and the lower chamber wall of the cavity that leads is connected to the lower extreme of main spring, two of guide bar hits the post and passes the two broken line type spouts of pressing the axle respectively. The utility model discloses when being pressed according to the axle, hit post striking broken line type spout and send obvious touching sound to strengthened the button according to the sense of touch official.
Description
Technical field
This utility model relates to the button assembly of a kind of capacitance keyboard.
Background technology
The button assembly of capacitance keyboard be the change utilizing capacitance to judge the on an off of button, after pressing keycap, the air capacitance in conducting resinl changes, thus realize trigger, whole process physical contact point just can realize hammer action.Change the mode of capacitance according to Detection & Controling, the button assembly of run-in index trigger architecture and rectilinear trigger architecture can be divided into again.
The button assembly of run-in index trigger architecture adopts two electrodes of left and right horizontal, utilizes the spring structure being contained in keycap, and along with the process of knocking is hit by a bullet the moving up and down of spring, the distance of two electrodes of level also can change, and detects the change of capacitance with this.
The button assembly of rectilinear trigger architecture adopts vertical two electrodes up and down, non-spring structure in keycap, carrys out changing capacitance either directly through the air layer thickness change of axial clearance in the process of knocking, judges key assignments with this.
But, the button of existing capacitance keyboard is noiseless in pressing process, without paragraph sense, to button to can not show a candle to traditional mechanical keyboard by sense of touch official generally obvious.
Utility model content
For the deficiencies in the prior art, this utility model is intended to the button assembly providing a kind of capacitance keyboard solving above-mentioned technical problem.
For achieving the above object, this utility model adopts the following technical scheme that
The button assembly of a kind of capacitance keyboard, it includes by axle, key base, guide post, capacitor dielectric module, circuit board, auxiliary spring and main spring；
Key base is installed on circuit board, and the top and bottom of key base offer guiding cavity and lower guiding cavity, and guide post extends to lower guiding cavity from upper guiding cavity；It is located at outside the upper end of guide post by axle sleeve, and can move up and down in upper guiding cavity；Capacitor dielectric module is installed on the lower end of guide post, and can move up and down in lower guiding cavity；
The upper end edge of guide post relative hits post radially outward from two, a broken line type chute is respectively offered by the two opposite side walls of axle, this broken line type chute is connected with gliding groove by upper hopper chute and forms, and the angle between upper hopper chute and gliding groove becomes obtuse angle, and one of them of upper hopper chute and gliding groove is vertically extending；Main spring is sheathed on outside guide post, and the upper end of main spring connects the bottom pressing axle, and the lower end of main spring connects the bottom cavity wall of the upper cavity that leads；The two of guide post hit post and are each passed through by two broken line type chutes of axle；The host cavity axially extended is offered in the upper end of guide post, and auxiliary spring is positioned at this host cavity, and the upper end of auxiliary spring connects the inwall pressing axle, and the lower end of auxiliary spring connects the bottom cavity wall of host cavity；Key base is provided with dividing plate between upper directed cavity and lower directed cavity；Offering the through hole that the radial section size with guide post is mated in the middle part of dividing plate, the hole wall of through hole extends radially out two relative fan-shaped bumps；Guide post offers two scalloped recess from its circumferential wall radially correspondence, and scalloped recess is being hit between post and capacitor dielectric module；Guide post traverse through hole；The fan-shaped bump of key base axially extends in directed cavity；
When being in releasing orientation by axle, two hit post lays respectively at gliding groove, and the scalloped recess of guide post and the fan-shaped bump of key base stagger, and main spring supports by axle；
When being pressed by axle, main spring and auxiliary spring are compressed, hit post and slip into upper hopper chute from gliding groove, guide post being rotated, and then makes scalloped recess just to fan-shaped bump, guide post drives capacitor dielectric module to move down along lower guiding cavity, auxiliary spring release resets, guide post moment being moved down, hits post from upper hopper chute to downslide the cell wall upper end clashing into gliding groove, fan-shaped bump clashes into the cell wall of scalloped recess；
When press axle from pressed state released time, main spring will be upspring by axle, and guide post drives and moves on capacitor dielectric, is pulled away from the capacitance electrode of circuit board；Hit post relatively by Axisal movement to gliding groove.
This utility model further relates to techniques below scheme:
The button assembly of a kind of capacitance keyboard, it includes by axle, key base, guide post, capacitor dielectric module, circuit board, auxiliary spring and main spring；
Key base is installed on circuit board, and the top and bottom of key base offer guiding cavity and lower guiding cavity, and guide post extends to lower guiding cavity from upper guiding cavity；It is located at outside the upper end of guide post by axle sleeve, and can move up and down in upper guiding cavity；Capacitor dielectric module is installed on the lower end of guide post, and can move up and down in lower guiding cavity；
The upper end edge of guide post relative hits post radially outward from two, a broken line type chute is respectively offered by the two opposite side walls of axle, this broken line type chute is connected with gliding groove by upper hopper chute and forms, and the angle between upper hopper chute and gliding groove becomes obtuse angle, and one of them of upper hopper chute and gliding groove is vertically extending；Main spring is sheathed on outside guide post, and the upper end of main spring connects the bottom pressing axle, and the lower end of main spring connects the bottom cavity wall of the upper cavity that leads；The two of guide post hit post and are each passed through by two broken line type chutes of axle；Auxiliary spring is positioned at lower guiding cavity, and the upper end of auxiliary spring connects the top cavity wall of the lower cavity that leads, and the lower end of auxiliary spring connects the upper end of capacitor dielectric module；Key base is provided with dividing plate between upper directed cavity and lower directed cavity；Offering the through hole that the radial section size with guide post is mated in the middle part of dividing plate, the hole wall of through hole extends radially out two relative fan-shaped bumps；Guide post offers two scalloped recess from its circumferential wall radially correspondence, and scalloped recess is being hit between post and capacitor dielectric module；Guide post traverse through hole；The fan-shaped bump of key base axially extends in directed cavity；
When being in releasing orientation by axle, two hit post lays respectively at gliding groove, and the scalloped recess of guide post and the fan-shaped bump of key base stagger, and main spring supports by axle；
When being pressed by axle, main spring and auxiliary spring are compressed, hit post and slip into upper hopper chute from gliding groove, guide post being rotated, and then makes scalloped recess just to fan-shaped bump, guide post drives capacitor dielectric module to move down along lower guiding cavity, auxiliary spring release resets, guide post moment being moved down, hits post from upper hopper chute to downslide the cell wall upper end clashing into gliding groove, fan-shaped bump clashes into the cell wall of scalloped recess；
When press axle from pressed state released time, main spring will be upspring by axle, and guide post drives and moves on capacitor dielectric, is pulled away from the capacitance electrode of circuit board；Hit post relatively by Axisal movement to gliding groove.
The beneficial effects of the utility model are at least as follows:
This utility model, when being pressed by axle, hits post moment relatively by axial slip up the cell wall clashing into upper hopper chute, sends obvious touching sound, thus enhance button by sense of touch official.
Accompanying drawing explanation
Fig. 1 is the explosive view of the better embodiment of the button assembly of this utility model capacitance keyboard.
Fig. 2 is the button assembly of Fig. 1 combination section when being in releasing orientation.
Fig. 3 is the button assembly of Fig. 1 combination section when being in pressed state.
Fig. 4 is the constitutional diagram of the subelement of the button assembly of Fig. 1.
Fig. 5 is another better embodiment of the button assembly of this utility model capacitance keyboard combination section when being in releasing orientation.
Fig. 6 is the button assembly of Fig. 5 combination section when being in pressed state.
Fig. 7 is the explosive view of the another another better embodiment of the button assembly of this utility model capacitance keyboard.
Fig. 8 is the button assembly of Fig. 7 combination section when being in releasing orientation.
Fig. 9 is the button assembly of Fig. 7 combination section when being in pressed state.
Figure 10 is the top view of the key base of the button assembly of Fig. 1 or Fig. 5 or Fig. 7.
Figure 11 is the axonometric chart of the guide post of the button assembly of Fig. 1 or Fig. 5 or Fig. 7.
Figure 12 is the profile of the key base of Figure 10.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described further:
Referring to Fig. 1 to Fig. 4 and Fig. 7 to Figure 12, this utility model relates to the button assembly of a kind of capacitance keyboard, and its better embodiment includes by axle 10, key base 20, guide post 30, capacitor dielectric module, circuit board 60, auxiliary spring 82 and main spring 81.
Key base 20 is installed on circuit board 60, and the top and bottom of key base 20 offer guiding cavity and lower guiding cavity, and guide post 30 extends to lower guiding cavity from upper guiding cavity；It is sheathed on outside the upper end of guide post 30 by axle 10, and can move up and down in upper guiding cavity；Capacitor dielectric module is installed on the lower end of guide post 30, and can move up and down in lower guiding cavity；
The upper end edge of guide post 30 relative hits post 31 radially outward from two, a broken line type chute 11 is respectively offered by the two opposite side walls of axle 10, this broken line type chute 11 is connected with gliding groove by upper hopper chute and forms, angle between upper hopper chute and gliding groove becomes obtuse angle, and one of them of upper hopper chute and gliding groove is vertically extending；Main spring 81 is sheathed on outside guide post 30, and the upper end of main spring 81 connects the bottom pressing axle 10, and the lower end of main spring 81 connects the bottom cavity wall of the upper cavity that leads；The two of guide post 30 hit post 31 and are each passed through by two broken line type chutes 11 of axle 10；The host cavity axially extended is offered in the upper end of guide post 30, and auxiliary spring 82 is positioned at this host cavity, and the upper end of auxiliary spring 82 connects the inwall pressing axle 10, and the lower end of auxiliary spring 82 connects the bottom cavity wall of host cavity；Key base 20 is provided with dividing plate 22 between upper directed cavity and lower directed cavity, and the through hole 23 that the radial section size with guide post 30 is mated is offered at the middle part of dividing plate 22, and the hole wall of through hole 23 extends radially out two relative fan-shaped bumps 21；Guide post 30 offers two scalloped recess 32 from its circumferential wall radially correspondence, and scalloped recess 32 is being hit between post and capacitor dielectric module；Guide post 30 traverse through hole 23；The fan-shaped bump of key base axially extends in directed cavity.
When being in releasing orientation by axle, two hit post lays respectively at gliding groove, and the scalloped recess of guide post and the fan-shaped bump of key base stagger, and main spring supports by axle；
When being pressed by axle, main spring and auxiliary spring are compressed, and hit post and slip into upper hopper chute from gliding groove so that guide post rotates, and then make scalloped recess just to fan-shaped bump, guide post drives capacitor dielectric module to move down along lower guiding cavity, and auxiliary spring release resets so that guide post moment moves down, hit post from upper hopper chute to downslide the cell wall upper end clashing into gliding groove, fan-shaped bump clash into scalloped recess cell wall, send obvious touching sound, thus enhance button by sense of touch official.
When press axle 10 from pressed state released time, main spring 81 moment will upspring by axle 10, guide post 30 drive on capacitor dielectric move, be pulled away from the capacitance electrode of circuit board 60；Meanwhile, hit post 31 relatively by axle 10 to being snapped down in gliding groove.
In the present embodiment, this upper hopper chute is vertically extending, and this gliding groove extends obliquely.
Referring to Fig. 5 and Fig. 6, in other embodiments, the installation site of auxiliary spring 82 and the present embodiment differ, and auxiliary spring 82 is positioned at lower guiding cavity, and the upper end of auxiliary spring 82 connects the top cavity wall of the lower cavity that leads, and the lower end of auxiliary spring 82 connects the upper end of capacitor dielectric module.
Referring to Fig. 1 to Fig. 6, in the present embodiment, this capacitor dielectric module includes conductive film 42 and deck 41；Deck 41 is connected in the lower end of guide post 30, and conducting medium diaphragm 42 is mounted on the bottom surface of deck.
Referring to Fig. 7 to Fig. 9, in other embodiments, this capacitor dielectric module includes conduction tower spring 92, and the upper end of conduction tower spring 92 is connected in the lower end of guide post 30, and the lower end of conduction tower spring 92 connects circuit board 60.
Preferably, this capacitor dielectric module also includes the dust cover 91 being sheathed on conduction tower spring 92, and dust cover 91 is connected between conduction tower spring 92 and the cavity wall of lower guiding cavity, not only can play dustproof effect, also can position conduction tower spring 92 and not offset.
For a person skilled in the art, can technical scheme as described above and design, make other various corresponding changes and deformation, and all these change and deformation all should belong within this utility model scope of the claims.
Claims (10)
1. the button assembly of a capacitance keyboard, it is characterised in that: it includes by axle, key base, guide post, capacitor dielectric module, circuit board, auxiliary spring and main spring；
Key base is installed on circuit board, and the top and bottom of key base offer guiding cavity and lower guiding cavity, and guide post extends to lower guiding cavity from upper guiding cavity；It is located at outside the upper end of guide post by axle sleeve, and can move up and down in upper guiding cavity；Capacitor dielectric module is installed on the lower end of guide post, and can move up and down in lower guiding cavity；
The upper end edge of guide post relative hits post radially outward from two, a broken line type chute is respectively offered by the two opposite side walls of axle, this broken line type chute is connected with gliding groove by upper hopper chute and forms, and the angle between upper hopper chute and gliding groove becomes obtuse angle, and one of them of upper hopper chute and gliding groove is vertically extending；Main spring is sheathed on outside guide post, and the upper end of main spring connects the bottom pressing axle, and the lower end of main spring connects the bottom cavity wall of the upper cavity that leads；The two of guide post hit post and are each passed through by two broken line type chutes of axle；The host cavity axially extended is offered in the upper end of guide post, and auxiliary spring is positioned at this host cavity, and the upper end of auxiliary spring connects the inwall pressing axle, and the lower end of auxiliary spring connects the bottom cavity wall of host cavity；Key base is provided with dividing plate between upper directed cavity and lower directed cavity；Offering the through hole that the radial section size with guide post is mated in the middle part of dividing plate, the hole wall of through hole extends radially out two relative fan-shaped bumps；Guide post offers two scalloped recess from its circumferential wall radially correspondence, and scalloped recess is being hit between post and capacitor dielectric module；Guide post traverse through hole；The fan-shaped bump of key base axially extends in directed cavity；
When being in releasing orientation by axle, two hit post lays respectively at gliding groove, and the scalloped recess of guide post and the fan-shaped bump of key base stagger, and main spring supports by axle；
When being pressed by axle, main spring and auxiliary spring are compressed, hit post and slip into upper hopper chute from gliding groove, guide post being rotated, and then makes scalloped recess just to fan-shaped bump, guide post drives capacitor dielectric module to move down along lower guiding cavity, auxiliary spring release resets, guide post moment being moved down, hits post from upper hopper chute to downslide the cell wall upper end clashing into gliding groove, fan-shaped bump clashes into the cell wall of scalloped recess；
When press axle from pressed state released time, main spring will be upspring by axle, and guide post drives and moves on capacitor dielectric, is pulled away from the capacitance electrode of circuit board；Hit post relatively by Axisal movement to gliding groove.
2. the button assembly of capacitance keyboard as claimed in claim 1, it is characterised in that: this upper hopper chute is vertically extending, and this gliding groove extends obliquely.
3. the button assembly of capacitance keyboard as claimed in claim 1 or 2, it is characterised in that: this capacitor dielectric module includes conductive film and deck；Deck is connected in the lower end of guide post, and conducting medium diaphragm is mounted on the bottom surface of deck.
4. the button assembly of capacitance keyboard as claimed in claim 1 or 2, it is characterised in that: this capacitor dielectric module includes conduction tower spring, and the upper end of conduction tower spring is connected in the lower end of guide post, and the lower end of conduction tower spring connects circuit board.
5. the button assembly of capacitance keyboard as claimed in claim 4, it is characterised in that: this capacitor dielectric module also includes the dust cover being sheathed on conduction tower spring, and dust cover is connected between conduction tower spring and the cavity wall of lower guiding cavity.
6. the button assembly of a capacitance keyboard, it is characterised in that: it includes by axle, key base, guide post, capacitor dielectric module, circuit board, auxiliary spring and main spring；
Key base is installed on circuit board, and the top and bottom of key base offer guiding cavity and lower guiding cavity, and guide post extends to lower guiding cavity from upper guiding cavity；It is located at outside the upper end of guide post by axle sleeve, and can move up and down in upper guiding cavity；Capacitor dielectric module is installed on the lower end of guide post, and can move up and down in lower guiding cavity；
The upper end edge of guide post relative hits post radially outward from two, a broken line type chute is respectively offered by the two opposite side walls of axle, this broken line type chute is connected with gliding groove by upper hopper chute and forms, and the angle between upper hopper chute and gliding groove becomes obtuse angle, and one of them of upper hopper chute and gliding groove is vertically extending；Main spring is sheathed on outside guide post, and the upper end of main spring connects the bottom pressing axle, and the lower end of main spring connects the bottom cavity wall of the upper cavity that leads；The two of guide post hit post and are each passed through by two broken line type chutes of axle；Auxiliary spring is positioned at lower guiding cavity, and the upper end of auxiliary spring connects the top cavity wall of the lower cavity that leads, and the lower end of auxiliary spring connects the upper end of capacitor dielectric module；Key base is provided with dividing plate between upper directed cavity and lower directed cavity；Offering the through hole that the radial section size with guide post is mated in the middle part of dividing plate, the hole wall of through hole extends radially out two relative fan-shaped bumps；Guide post offers two scalloped recess from its circumferential wall radially correspondence, and scalloped recess is being hit between post and capacitor dielectric module；Guide post traverse through hole；The fan-shaped bump of key base axially extends in directed cavity；
When being in releasing orientation by axle, two hit post lays respectively at gliding groove, and the scalloped recess of guide post and the fan-shaped bump of key base stagger, and main spring supports by axle；
When being pressed by axle, main spring and auxiliary spring are compressed, hit post and slip into upper hopper chute from gliding groove, guide post being rotated, and then makes scalloped recess just to fan-shaped bump, guide post drives capacitor dielectric module to move down along lower guiding cavity, auxiliary spring release resets, guide post moment being moved down, hits post from upper hopper chute to downslide the cell wall upper end clashing into gliding groove, fan-shaped bump clashes into the cell wall of scalloped recess；
When press axle from pressed state released time, main spring will be upspring by axle, and guide post drives and moves on capacitor dielectric, is pulled away from the capacitance electrode of circuit board；Hit post relatively by Axisal movement to gliding groove.
7. the button assembly of capacitance keyboard as claimed in claim 6, it is characterised in that: this upper hopper chute is vertically extending, and this gliding groove extends obliquely.
8. the button assembly of capacitance keyboard as claimed in claims 6 or 7, it is characterised in that: this capacitor dielectric module includes conductive film and deck；Deck is connected in the lower end of guide post, and conducting medium diaphragm is mounted on the bottom surface of deck.
9. the button assembly of capacitance keyboard as claimed in claims 6 or 7, it is characterised in that: this capacitor dielectric module includes conduction tower spring, and the upper end of conduction tower spring is connected in the lower end of guide post, and the lower end of conduction tower spring connects circuit board.
10. the button assembly of capacitance keyboard as claimed in claim 9, it is characterised in that: this capacitor dielectric module also includes the dust cover being sheathed on conduction tower spring, and dust cover is connected between conduction tower spring and the cavity wall of lower guiding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040069.3U CN205376363U (en) | 2015-12-14 | 2015-12-14 | Button subassembly of capacitanc keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040069.3U CN205376363U (en) | 2015-12-14 | 2015-12-14 | Button subassembly of capacitanc keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205376363U true CN205376363U (en) | 2016-07-06 |
Family
ID=56280672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521040069.3U Withdrawn - After Issue CN205376363U (en) | 2015-12-14 | 2015-12-14 | Button subassembly of capacitanc keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205376363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428127A (en) * | 2015-12-14 | 2016-03-23 | 东莞市名键电子科技有限公司 | Key component of capacitive keyboard |
| WO2020172117A1 (en) | 2019-02-20 | 2020-08-27 | Verifone, Inc. | Mechanical keypad |
-
2015
- 2015-12-14 CN CN201521040069.3U patent/CN205376363U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428127A (en) * | 2015-12-14 | 2016-03-23 | 东莞市名键电子科技有限公司 | Key component of capacitive keyboard |
| WO2020172117A1 (en) | 2019-02-20 | 2020-08-27 | Verifone, Inc. | Mechanical keypad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20171124 |
|
| AV01 | Patent right actively abandoned |