CN201655568U - Key-press structure and keyboard - Google Patents
Key-press structure and keyboard Download PDFInfo
- Publication number
- CN201655568U CN201655568U CN201020147903XU CN201020147903U CN201655568U CN 201655568 U CN201655568 U CN 201655568U CN 201020147903X U CN201020147903X U CN 201020147903XU CN 201020147903 U CN201020147903 U CN 201020147903U CN 201655568 U CN201655568 U CN 201655568U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- support arm
- pivot hole
- connecting portion
- keycap
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
The utility model discloses a key-press structure and a keyboard. A plurality of key-presses are arranged in a shell of the keyboard, each key-press mainly consists of a bottom plate, a keycap and a support mechanism, the support mechanism is formed by pivotally connecting a first support arm and a second support arm, and both ends of the first support arm and both ends of the second support arm are respectively connected with a first connecting part formed on the surface of the bottom plate and a second connecting part arranged on the bottom surface of the keycap to enable the keycap to move up and down relative to the bottom plate; in addition, the first support arm and the second support arm is pivoted at a pivoting part, one of the first support arm and the second support arm is provided with a rotary shaft, the other one is provided with a pivot hole corresponding to the rotary shaft, the rotary shaft is pivoted in the pivot hole and can have more than two contact points with the pivot hole in the pivoting process to shorten the action force arms of the first support arm and the second support arm and reduce the conditions of deformation and swinging when each key-press is pressed.
Description
[technical field]
The utility model relates to the technical field of press-key structure and keyboard, refers to especially a kind ofly can reduce press-key structure and the keyboard that phenomenon that button rocks promotes sensitivity.
[background technology]
See also the 5th figure, it is known a kind of press-key structure.This press-key structure mainly is that a scissor mechanism 9 is set between a substrate 81 and a keycap 82, one circuit board (not shown) is set on this substrate 81, and corresponding each keycap 82 all is provided with an elastic component 84, make this keycap 82 do upper and lower utilization by this with respect to this substrate 81, and by the switching circuit in this elastic component circuits for triggering plate.
And this scissor mechanism 9 is made up of one first bracing frame 91 and one second bracing frame 92.The stage casing of this first bracing frame 91 has a pivot 911, and these second bracing frame, 92 stage casings are to should pivot 911 and have a pivot hole 921, make this first bracing frame 91 and second bracing frame 92 be the form of mutual pivot joint, and the two ends of this first bracing frame 91 and second bracing frame 92 have an axial region 912 respectively, 913,922,923, the axial region 912 on this first bracing frame 91 and second bracing frame, 92 tops, 922 are hubbed at the articulated section 821 and the chute 822 of this keycap 82 respectively, and the axial region 913 of this first bracing frame 91 and second bracing frame, 92 bottoms, 923 are hubbed at the articulated section 811 and the chute 812 of this substrate 81 respectively, so promptly constitute aforesaid scissor mechanism 9.
When keycap 82 is pressed down, this first bracing frame 91 and second bracing frame 92 can be pivoted relative to each other, and by the contact point in pivot 911 and pivot hole 921 as stressed fulcrum, and with each axial region 912,913,922,923 respectively as the point of application and resistance points, in other words, each axial region 912,913,922,923 and pivot 911 are exactly the length of force arm or drag arm with the distance of the contact point in pivot hole 921.
When scissor mechanism 9 is applied to hang down the stroke keyboard, because low stroke keyboard has the thinning characteristic, after this first bracing frame 91 and second bracing frame 92 are carried out the thinning design, the tool tool intensity of itself also can reduce relatively, but the application of force of user's pressing keys reduces relatively, and first bracing frame 91 and second bracing frame 92 of therefore low stroke button be easy to generate because of stress deformation, rock insensitive problem of moving when causing keycap corner pressurized.
Thereby the scissor mechanism of aforementioned low stroke keyboard is real in addition improved necessity again, in the hope of promoting the sensitivity of button.
[utility model content]
In view of this, main purpose of the present utility model is to solve the above problems and a kind of press-key structure and keyboard is provided, be non-circular by rotating shaft and the design of pivot hole with scissor mechanism, make between this rotating shaft and the pivot hole and have plural contact point, shortening the arm of force of active force, and can reduce the sensitivity that phenomenon that button rocks promotes button.
In order to achieve the above object, the utility model press-key structure can be applied on button and the keyboard.And press-key structure comprises base plate, keycap and supporting mechanism, this backplate surface is formed with first connecting portion, and this keycap is to having second connecting portion by first connecting portion, and this supporting mechanism by first support arm and second support arm articulate mutually the institute form, and this first support arm and this second support arm two ends link with this first connecting portion and this second connecting portion respectively, this keycap can be done with respect to this base plate, bottom offset, and this first support arm and second support arm are in the articulated section, wherein one have a rotating shaft, another person is to should the axle commentaries on classics having a pivot hole, this rotating shaft is hubbed in this pivot hole, and this rotating shaft and this pivot hole can have plural contact point in the pivot process.
By this, the distance between each contact point can make the acting force arm of first support arm and second support arm shorten, and the situation that produces distortion, rocks during with minimizing button pressurized promotes the sensitivity of button.
The preferably, this rotating shaft and this pivot hole are non-circular, and each contact point in this rotating shaft and this pivot hole is positioned on the camber line of a plurality of circular arcs.
The preferably, the cross section of this rotating shaft slightly is the isosceles triangle of a reversing and has two waist limits, and the angle on two waist limits of this rotating shaft is greater than 90 °, and this pivot hole is to two waist limits that should rotating shaft and have two bases, and the angle on this two base is greater than the angle on this two waists limit, and this rotating shaft has the top margin on this two waists limit of connection, and this pivot hole correspondence has two end faces, this two end face can abut against when different pivotal orientation for the top margin of this rotating shaft, by this, make rotating shaft and this pivot hole in the pivot process, can have plural contact point.
Another purpose of the present utility model provides a kind of keyboard, and it comprises: base plate forms a plurality of first connecting portions on this backplate surface; A plurality of keycaps, respectively this keycap bottom surface correspondence this first connecting portion and have second connecting portion respectively respectively; And a plurality of supporting mechanisms, respectively this supporting mechanism by one first support arm and one second support arm articulate mutually form, and respectively first support arm of this supporting mechanism and this second support arm two ends link with second connecting portion and pairing first connecting portion thereof of a keycap wherein respectively, make respectively this keycap all can do upper and lower displacement with respect to this base plate; Wherein, respectively first support arm of this supporting mechanism and second support arm are in the articulated section, and wherein one have a rotating shaft, and another person is to should the axle commentaries on classics having a pivot hole, this rotating shaft is hubbed in this pivot hole, and this rotating shaft and this pivot hole can have plural contact point in the pivot process.
Compared with prior art, benefit of the present invention is that the rotating shaft of scissor mechanism and the design of pivot hole are non-circular, make between this rotating shaft and the pivot hole to have plural contact point, shortening the arm of force of active force, and can reduce the sensitivity that phenomenon that button rocks promotes button.
[description of drawings]
The 1st figure is the outside drawing of keyboard of the present utility model;
The 2nd figure is the sectional structure schematic diagram of button of the present utility model;
The 3rd figure is the partial enlarged drawing of the utility model pivot structure;
The 4th figure is a user mode schematic diagram of the present utility model; And
The 5th figure is known a kind of press-key structure.
[embodiment]
Now cooperate and graphic the utility model preferred embodiment is described in detail as follows.
See also the 1st figure to the 4 figure, the 1st figure is the outside drawing of keyboard of the present utility model; The 2nd figure is the sectional structure schematic diagram of button of the present utility model; The 3rd figure is the partial enlarged drawing of the utility model pivot structure; The 4th figure is a user mode schematic diagram of the present utility model.
Be formed with one first connecting portion 21 on these base plate 20 surfaces, this first connecting portion 21 comprises one first articulated section 211 and one first chute 212 in present embodiment, with respectively with these supporting mechanism 4 johning knots.
These keycap 3 bottom surfaces are to having one second connecting portion 31 by first connecting portion 21, and this second connecting portion 31 comprises one second articulated section 311 and one second chute 312 in present embodiment, with respectively with these supporting mechanism 4 johning knots.
And this supporting mechanism 4 is made up of one first support arm 41 and one second support arm, the 42 mutual institutes that articulate, these first support arm, 41 two ends have an axial region 411,412 respectively, and this two axial region 411,412 is hubbed at second articulated section 311 of this keycap 3 and first chute 212 of this base plate 20 respectively; These second support arm, 42 two ends also have an axial region 421,422 respectively, and this two axial region 421,422 is hubbed at first articulated section 211 of second chute 312 and this base plate 20 of this keycap 3 respectively, make this keycap 3 do upper and lower displacement with respect to this base plate 20.
This first support arm 41 and second support arm 42 articulate mutually in the stage casing, this first support arm 41 has a rotating shaft 43, and 42 pairs of this second support arms should axle commentaries on classics 42 have a pivot hole 44, this rotating shaft 43 is hubbed in this pivot hole 44, the cross section of this rotating shaft 43 is non-to be circular, and slightly be one the reversing isosceles triangle and have two waist limits 431, and the angle theta 1 on two waist limits 431 is greater than 90 °, 44 pairs in this pivot hole should rotating shaft 43 two waist limits 431 have two bases 441 respectively, and the angle theta 2 on this two base 441 is greater than the angle theta 1 on this two waists limit 431, and this rotating shaft 43 has the top margin 432 on this two waists limit 431 of connection, 44 pairs in this pivot hole should have two end faces 442 by top margin 432, angle theta 3 between this two end face 442 is less than 180 °, this two end face 442 can be abutted against when different pivotal orientation for the top margin 532 of this rotating shaft 43, make this rotating shaft 43 in the pivot process, can have plural contact point T by this, and each contact point T is arranged on the camber line of a plurality of circular arcs (for example Fig. 4 is three sections different circular arcs) with this pivot hole 44.
See also the 4th figure, when the user pushes this keycap 3, first support arm 41 and second support arm 42 of this supporting mechanism 4 (being scissor mechanism) can be pivoted relative to each other, because of rotating shaft 43 of the present utility model is all non-with pivot hole 44 is circular, therefore this rotating shaft 43 can change in the process of pivot with the contact point T in 44 in pivot hole, during as shown in the figure 4 state, this rotating shaft 43 has three contact point T with pivot hole 44, these three contact point T lay respectively at rotating shaft 43 bottoms and 44 bottoms, pivot hole, between the waist limit 431 on figure shaft 43 right sides and the base 441 and between the end face 442 in the top margin 432 of rotating shaft 43 and 44 left sides, pivot hole, thus, each axial region 411,412,421, distance between 422 to each contact point T will be shorter, that is the arm of force length of active force can shorten than the structure described in the prior art, therefore first support arm 41 and 42 contingent deflections of second support arm can be effectively reduced, and then the sensitivity that problem that button rocks promotes button can be reduced.
Claims (10)
1. press-key structure is characterized in that comprising:
Base plate forms first connecting portion on this backplate surface;
Keycap, this keycap bottom surface is to having second connecting portion by first connecting portion; And
Supporting mechanism, it articulates institute mutually by first support arm and second support arm forms, and this first support arm and this second support arm two ends respectively with this first connecting portion and the binding of this second connecting portion, make this keycap do upper and lower displacement with respect to this base plate;
Wherein, this first support arm and second support arm are in the articulated section, and wherein one have rotating shaft, and another person have the pivot hole to should axle changeing, and this rotating shaft is hubbed in this pivot hole, and this rotating shaft and this pivot hole can have plural contact point in the pivot process.
2. press-key structure according to claim 1 is characterized in that this pivot hole is non-circular, and each contact point in this rotating shaft and this pivot hole is positioned on the camber line of a plurality of circular arcs.
3. press-key structure according to claim 2 is characterized in that this rotating shaft is non-circular, makes itself and this pivot hole can have plural contact point in the pivot process.
4. press-key structure according to claim 1, the cross section that it is characterized in that this rotating shaft is the isosceles triangle of a reversing and has two waist limits, and this pivot hole is to two waist limits that should rotating shaft and have two bases, and the angle on this two base is greater than the angle on this two waists limit.
5. press-key structure according to claim 4, the angle on two waist limits that it is characterized in that this rotating shaft is greater than 90 °.
6. press-key structure according to claim 4 it is characterized in that this rotating shaft has the top margin on this two waists limit of connection, and this pivot hole correspondence has two end faces, and this two end face can abut against when different pivotal orientation for the top margin of this rotating shaft.
7. keyboard is characterized in that comprising:
Base plate forms a plurality of first connecting portions on this backplate surface;
A plurality of keycaps, respectively this keycap bottom surface correspondence this first connecting portion and have second connecting portion respectively respectively; And
A plurality of supporting mechanisms, respectively this supporting mechanism by one first support arm and one second support arm articulate mutually form, and respectively first support arm of this supporting mechanism and this second support arm two ends link with second connecting portion and pairing first connecting portion thereof of a keycap wherein respectively, make respectively this keycap all can do upper and lower displacement with respect to this base plate;
Wherein, respectively first support arm of this supporting mechanism and second support arm are in the articulated section, and wherein one have a rotating shaft, and another person is to should the axle commentaries on classics having a pivot hole, this rotating shaft is hubbed in this pivot hole, and this rotating shaft and this pivot hole can have plural contact point in the pivot process.
8. keyboard according to claim 7, the cross section that it is characterized in that this rotating shaft is the isosceles triangle of a reversing and has two waist limits, and this pivot hole has two bases to two waist limits that should rotating shaft, and the angle on this two base is greater than the angle on this two waists limit.
9. keyboard according to claim 8, the angle on two waist limits that it is characterized in that this rotating shaft is greater than 90 °.
10. keyboard according to claim 8 it is characterized in that this rotating shaft has the top margin on this two waists limit of connection, and this pivot hole correspondence has two end faces, and this two end face can abut against when different pivotal orientation for the top margin of this rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020147903XU CN201655568U (en) | 2010-03-03 | 2010-03-03 | Key-press structure and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020147903XU CN201655568U (en) | 2010-03-03 | 2010-03-03 | Key-press structure and keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655568U true CN201655568U (en) | 2010-11-24 |
Family
ID=43120812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020147903XU Expired - Lifetime CN201655568U (en) | 2010-03-03 | 2010-03-03 | Key-press structure and keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201655568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172440A (en) * | 2018-02-08 | 2018-06-15 | 江苏传艺科技股份有限公司 | Novel keyboard structure |
-
2010
- 2010-03-03 CN CN201020147903XU patent/CN201655568U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172440A (en) * | 2018-02-08 | 2018-06-15 | 江苏传艺科技股份有限公司 | Novel keyboard structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202434387U (en) | Thin-film switch, key and keyboard with thin-film switch | |
| CN201087981Y (en) | Computer switching device and sliding-rail device thereof | |
| CN104851728B (en) | Scissor keyboard key structure | |
| CN104299818A (en) | Keyboard key | |
| CN201146119Y (en) | Key-press structure of keyboard | |
| CN101656162B (en) | Keying structure | |
| CN201655568U (en) | Key-press structure and keyboard | |
| CN106816338A (en) | Press-key structure | |
| CN102594953A (en) | Mobile phone side key device and mobile phone | |
| CN201199501Y (en) | Multi-axial type key structure | |
| CN204117903U (en) | A kind of keyboard | |
| TWM547172U (en) | Lift-type key and a keyboard including the key | |
| CN201004394Y (en) | Key structure | |
| CN201294180Y (en) | Key-press structure | |
| CN205303282U (en) | Rocker switch | |
| CN108281316A (en) | Keyboard | |
| CN102446015A (en) | Touch device and electronic device employing the same | |
| CN201196920Y (en) | Key structure and its support member | |
| CN211980478U (en) | Keyboard and electronic equipment | |
| CN108461342A (en) | Keyboard | |
| CN2886933Y (en) | Mobile phone with double sliding covers | |
| CN2802574Y (en) | Two-sided keyboard | |
| CN210668184U (en) | Key device for keyboard | |
| CN2522928Y (en) | Improved keyboard bridging structure | |
| TWM518396U (en) | Dual-seesaw type support mechanism and thin typing key |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
|
| CX01 | Expiry of patent term |