CN104517768A - Key structure with scissors connecting element - Google Patents
Key structure with scissors connecting element Download PDFInfo
- Publication number
- CN104517768A CN104517768A CN201310462476.2A CN201310462476A CN104517768A CN 104517768 A CN104517768 A CN 104517768A CN 201310462476 A CN201310462476 A CN 201310462476A CN 104517768 A CN104517768 A CN 104517768A
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- China
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- framework
- section
- button cap
- protuberance
- base plate
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
- H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
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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
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
Abstract
The invention discloses a key structure with a scissors connecting element. The key structure comprises a bottom plate, a keycap, the scissors connecting element and an elastic element; the scissors connecting element is used for connecting the bottom plate and the keycap. After the key structure is assembled and the keycap is not pushed, the elastic element provides a first upward elastic force and the scissors connecting element bends and provides a second downward elastic force. Therefore, the key structure can be triggered by a user pushing the keycap with slight effort.
Description
Technical field
The present invention relates to a kind of press-key structure, particularly relate to the press-key structure be applied on key board unit.
Background technology
Computer has been widely used and has been full of in the daily life of modern, no matter be work or amusement aspect, computer all plays considerable role, and along with the development in epoch, computer is evolved day by day, and computer peripheral also develops thereupon, and wherein input unit is the important bridge that user is connected with computer, especially the key board unit in input unit becomes more important, and therefore keyboard manufacturers releases in response to various user demand the key board unit meeting various user demand.
Key board unit is made up of multiple press-key structure, and its press-key structure is the STRUCTURE DECOMPOSITION schematic perspective view of known press-key structure please refer to Fig. 1 and Fig. 2, Fig. 1, and Fig. 2 is the structure schematic side view of known press-key structure.Known press-key structure 1 comprises button cap 11, scissor Connection Element 12, elastic caoutchouc 13, film switch circuit 14 and a base plate 15.Button cap 11 presses with for user, and be connected with scissor Connection Element 12, button cap 11 comprises first fixed structure 111 and one second fixed structure 112, a lower surface 113 that first fixed structure 111 is arranged at button cap 11 is positioned at the first side of button cap 11, and the second fixed structure 112 be arranged at button cap 11 lower surface 113 on and be positioned at the second side of button cap 11.Base plate 15 comprises one the 3rd fixed structure 151 and one the 4th fixed structure the 152, three fixed structure 151 and to be arranged on base plate 15 and the first side being positioned at base plate 15, and the 4th fixed structure 152 to be arranged on base plate 15 and to be positioned at the second side of base plate 15.Wherein, first fixed structure 111 and the 3rd fixed structure 151 are closed snap fit, and the second fixed structure 112 and the 4th fixed structure 152 are then open snap fit.
Scissor Connection Element 12 comprises inner frame 121 and an outside framework 122, the first end of inner frame 121 is connected to the first fixed structure 111 of button cap 11, and the second end of inner frame 121 is then connected to the 4th fixed structure 152 of base plate 15, and the first end of outside framework 122 is connected to the 3rd fixed structure 151 of base plate 15, and the second end of outside framework 122 is connected to the second fixed structure 112 of button cap 11, by this, scissor Connection Element 12 is connected to button cap 11 and base plate 15.Wherein inner frame 121 has an input axis 1211, and outside framework 122 has a housing frame aperture 1221, to connect inner frame 121 and outside framework 122 through housing frame aperture 1221 by input axis 1211 and the rotation making inner frame 121 carry out relative to outside framework 122 by this.Film switch circuit 14 is arranged on base plate 15, elastic caoutchouc 13 is then arranged between button cap 11 and film switch circuit 14, in order to when button cap 11 is touched, elastic caoutchouc 13 is pushed against by button cap 11 and is out of shape, and triggers film switch circuit 14 and produce push button signalling.The situation that each element of press-key structure 1 has been assembled, as shown in Figure 2.
The operation situation of the known press-key structure 1 of following explanation.Be the touched structure schematic side view of known press-key structure please refer to Fig. 2 and Fig. 3, Fig. 3.Fig. 2 demonstrates the not touched state of press-key structure 1, now, the button cap 11 of press-key structure 1 is positioned at one first height H 1, and inner frame 121 and outside framework 122 present crossing condition, and the second end of outside framework 122 is arranged in a primary importance P1 of the second fixed structure 112.When press-key structure 1 is touched, button cap 11 is subject to a downforce, elastic caoutchouc 13 is made to be extruded and to present compressive state, simultaneously, the inner frame 121 of scissor Connection Element 12 and outside framework 122 in response to the movement of button cap 11 with input axis 1211 and housing frame aperture 1221 for axle rotates, make inner frame 121 and outside framework 122 change to closed state, produce signal with the film switch circuit 14 pressed on base plate 15.Now, the button cap 11 of press-key structure 1 is positioned at one second height H 2, and the second end of outside framework 122 moves to the second place P2 in the second fixed structure 112, as shown in Figure 3.Wherein, the distance between the first height H 1 and the second height H 2 is the stroke of press-key structure 1.
When button cap 11 is no longer touched, button cap 11 is upwards supported because elastic caoutchouc 13 replys produced elastic force by compressive state, inner frame 121 and outside framework 122 rotate along with the traction of button cap 11, make button cap 11 move to the position of the first height H 1, and the second end of outside framework 122 also get back to the primary importance P1 in the second fixed structure 112.
But along with user uses the time of computer elongated, user presses the finger fatigue that button can cause user for a long time repeatedly, to damage the finger of user.Therefore, one comparatively labour-saving press-key structure is needed.
Summary of the invention
Main purpose of the present invention is to provide a kind of press-key structure compared with labour-saving with scissor Connection Element.
In a preferred embodiment, the invention provides a kind of press-key structure with scissor Connection Element and comprise a base plate, a button cap, a scissor Connection Element and a flexible member.This button cap is positioned at the top of this base plate, in order to touched and move relative to this base plate.This scissor Connection Element, between this base plate and this button cap, in order to connect this base plate and this button cap and to make this button cap move up and down relative to this base plate.This flexible member between this base plate and this button cap and through this scissor Connection Element, in order to contact with button cap and to provide an elastic force to this button cap; Wherein when this button cap is not touched, this scissor Connection Element presents a case of bending.
In a preferred embodiment, the present invention also provides a kind of press-key structure with scissor Connection Element to comprise a base plate, a button cap, a scissor Connection Element and a flexible member, and this scissor Connection Element comprises one first framework and one second framework.This button cap is positioned at the top of this base plate, in order to touched and move relative to this base plate.This scissor Connection Element, between this base plate and this button cap, in order to connect this base plate and this button cap and to make this button cap move up and down relative to this base plate.This first framework has a first side wall, and a first end of this first side wall is connected to this button cap, and one second end of this first side wall is connected to this base plate.This second framework be rotationally connected with this first framework and and between this first framework, there is a point of rotation, make this second framework with this point of rotation for axle and relative to this first frame member, this second framework has one second sidewall, one first end of this second sidewall is connected to this base plate, and one second end of this second sidewall is connected to this button cap.This flexible member between this base plate and this button cap and through this scissor Connection Element, in order to contact with button cap and to provide an elastic force to this button cap; Wherein the thickness of this first end of this first side wall is less than the thickness of one second end of this first side wall, and the thickness of this first end of this second sidewall is greater than the thickness of one second end of this second sidewall.
Beneficial effect of the present invention is, the scissor Connection Element that the present invention has the press-key structure of scissor Connection Element adopts the first section and the 4th section to have less thickness, and the second section and the 3rd section have larger thickness, make scissor Connection Element to present case of bending, and second elastic force is down provided.Therefore user can apply less pushing force gives button cap, make the second elastic force down and pushing force can be greater than the first elastic force up easily, button cap can move down and make flexible member triggered switch circuit plate.Therefore, press-key structure of the present invention is available for users to operate it with less strength, can labour-saving effect to have.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic perspective view of known press-key structure.
Fig. 2 is the structure schematic side view of known press-key structure.
Fig. 3 is the touched structure schematic side view of known press-key structure.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic perspective view of press-key structure in the first preferred embodiment that the present invention has scissor Connection Element.
Fig. 5 is the structure schematic side view of press-key structure in the first preferred embodiment that the present invention has scissor Connection Element.
Fig. 6 is that the present invention has the press-key structure of scissor Connection Element structure schematic side view touched in the first preferred embodiment.
Fig. 7 is the structure schematic side view of press-key structure in the second preferred embodiment that the present invention has scissor Connection Element.
Wherein, description of reference numerals is as follows:
1,2,3 press-key structures
11,21,32 button caps
12,22,32 scissor Connection Elements
13 elastic caoutchoucs
14 film switch circuits
15,20,30 base plates
23,33 flexible members
24,34 switching circuit boards
101,201,301 the 3rd fixed structures
102,202,302 the 4th fixed structures
111,211,311 first fixed structures
112,212,312 second fixed structures
121 inner frames
122 inner frames
The lower surface of 213 button caps
221,321 first frameworks
222,322 second frameworks
223,323 points of rotation
1211 input axis
1221 housing frame aperture
2211,3211 the first side walls
2212 connecting axles
2213,3,214 first sections
2214,3,215 second sections
2221,3,221 second sidewalls
2222 connecting holes
2223,3224 the 3rd sections
2224,3225 the 4th sections
3212 first protuberances
3213 first holding tanks
3222 second protuberances
3223 second holding tanks
The contact position of C first protuberance and the second protuberance
A1 first angle
A2 second angle
F1 first elastic force
F2 second elastic force
F3 pushing force
H1, H3 first height
H2, H4 second height
P1 primary importance
The P2 second place
T1 first thickness
T2 second thickness
T3 the 3rd thickness
T4 the 4th thickness
Embodiment
In view of the problem of known technology, the invention provides a kind of press-key structure solving known technology problem.Multiple press-key structure forms a key board unit, and the present invention only illustrates with regard to single push-button structure.Please refer to Fig. 4 and Fig. 5, Fig. 4 is the STRUCTURE DECOMPOSITION schematic perspective view of press-key structure in the first preferred embodiment that the present invention has scissor Connection Element, and Fig. 5 is the present invention has the structure schematic side view of press-key structure in the first preferred embodiment of scissor Connection Element.Press-key structure 2 comprises base plate 20, button cap 21, scissor Connection Element 22, flexible member 23 and a switching circuit board 24.Base plate 20 is connected to scissor Connection Element 22, base plate 20 comprises one the 3rd fixed structure 201 and one the 4th fixed structure 202,3rd fixed structure 201 to be arranged on base plate 20 and to be arranged in first side (left side of Fig. 5) of base plate 20, and the 4th fixed structure 202 to be arranged on base plate 20 and to be arranged in second side (right side of Fig. 5) of base plate 20.Button cap 21 is positioned at the top of base plate 20, in order to touched and move relative to base plate 20, button cap 21 comprises first fixed structure 211 and one second fixed structure 212, a lower surface 213 that first fixed structure 211 is arranged at button cap 21 is arranged in first side (left side of Fig. 5) of button cap 21, and the second fixed structure 212 be arranged at button cap 21 lower surface 213 on and be arranged in second side (right side of Fig. 5) of button cap 21.
In this preferred embodiment, first fixed structure 211 and the second fixed structure 212 one-body molded with button cap 21,3rd fixed structure 201 and the 4th fixed structure 202 are then one-body molded with base plate 20, and first fixed structure 211 and the 3rd fixed structure 201 are all closed snap fit, second fixed structure 212 and the 4th fixed structure 202 are then open snap fit, but non-as limit.In another preferred embodiment, first fixed structure, the second fixed structure, the 3rd fixed structure and the 4th fixed structure all can be adopted as open snap fit or closed snap fit.
Scissor Connection Element 22 is between base plate 20 and button cap 21, in order to connecting bottom board 20 and button cap 21 button cap 21 moved up and down relative to base plate 20, scissor Connection Element 22 comprises one first framework 221 and one second framework 222, and the second framework 222 is connected to the first framework 221 in a rotatable manner, and there is between the second framework 222 and the first framework 221 point of rotation 223, the second framework 222 is rotated relative to the first framework 221 for axle with the point of rotation 223.First framework 221 comprises the first side wall 2211 and a connecting axle 2212, and the first end of the first side wall 2211 is connected to the first fixed structure 211 of button cap 21, and the second end of the first side wall 2211 is then connected to the 4th fixed structure 202 of base plate 20.The centre that connecting axle 2212 is arranged at the first side wall 2211 is formed from the first side wall 2211 toward extension.On the other hand, second framework 222 comprises one second sidewall 2221 and a connecting hole 2222, the first end of the second sidewall 2221 is connected to the 3rd fixed structure 201 of base plate 20, and the second end of the second sidewall 2221 is then connected to the second fixed structure 212 of button cap 21.Connecting hole 2222 is arranged in the centre of the second sidewall 2221, when the first framework 221 is connected with the second framework 222 and rotates, connecting axle 2212 is through connecting hole 2222, and connecting axle 2212 rotates in connecting hole 2222, wherein the point of rotation 223 is made up of jointly connecting axle 2212 and connecting hole 2222.In this preferred embodiment, the first framework 221 and the second framework 222 are all with made by polyoxygenated polyformaldehyde (Polyoxymethylene, POM) or polypropylene (Polypropylene, PP).
In first framework 221, the first side wall 2211 is made up of one first section 2213 and one second section 2214, first section 2213 by the first end of the first framework 221 to the section of the centre of the first side wall 2211, and the first section 2213 has one first thickness T1, and the second section 2214 by the second end of the first framework 221 to the section of the centre of the first side wall 2211, and the second section 2214 has one second thickness T2, and the first thickness T1 is less than the second thickness T2.On the other hand, in second framework 222, second sidewall 2221 is made up of one the 3rd section 2223 and one the 4th section 2224,3rd section 2223 is by the section of the centre of first end to the second sidewall 2221 of the second framework 222, and the 3rd section 2223 has one the 4th thickness T4, and the 4th section 2224 is by the section of the centre of the second end to the second sidewall 2221 of the second framework 222, and the 4th section 2224 has one the 3rd thickness T3, and wherein the 3rd thickness T3 is less than the 4th thickness T4.That is, the thickness close to the section of base plate 20 in scissor Connection Element 22 is less than close to the thickness of the section of button cap 21 in scissor Connection Element 22.
Flexible member 23 between base plate 20 and button cap 21 and through scissor Connection Element 22, in order to contact with button cap 21 and to provide an elastic force to button cap 21.Switching circuit board 24 to be arranged on base plate 20 and to be positioned at the below of flexible member 23, produces a push button signalling in order to be triggered by flexible member 23.In this preferred embodiment, flexible member 23 is an elastic caoutchouc, and switching circuit board 24 is for by upper wiring board, space bar and the once film switch circuit that forms of wiring board.
Demonstrate in Fig. 5 base plate 20, button cap 21, scissor Connection Element 22, flexible member 23 and switching circuit board 24 in conjunction with situation, and press-key structure 2 is not touched, now, scissor Connection Element 22 presents a case of bending, and button cap 21 is positioned at one first height H 3.Because scissor Connection Element 22 presents case of bending, the second end making the length summation of the second section 2214 of bending and the 3rd bending section 2223 equal to be in the first framework 221 of the state of pressing to be in the state of pressing the second framework 222 first end between a distance D (please refer to Fig. 6).The reason that scissor Connection Element 22 presents case of bending is, is less than respectively in scissor Connection Element 22 close to the second thickness T2 of the section of base plate 20 and the 4th thickness T4 in scissor Connection Element 22 close to the first thickness T1 of the section of button cap 21 and the 3rd thickness T3.In response to the structure of the different-thickness of scissor Connection Element 22, make scissor Connection Element 22 be combined with base plate 20 and button cap 21 after can produce one toward the second elastic force F2 of base plate 20 direction (below also namely in Fig. 5).When press-key structure 2 is not touched, flexible member 23 provides one toward the first elastic force F1 of button cap 21 direction (top also namely in Fig. 5), and the second elastic force F2 of scissor Connection Element 22 is less than the first elastic force F1, button cap 21 is made to be positioned at the first height H 3.
When press-key structure 2 is not touched, scissor Connection Element 22 provides the second elastic force F2 toward base plate direction, therefore when user presses button cap 21, the pushing force F3 that user only needs applying one small is on button cap 21, pushing force F3 is made to add the first elastic force F1 that the second elastic force F2 can be greater than flexible member 23 and provides, now, button cap 21 moves to one second height H 4 relative to base plate 20, and scissor Connection Element 22 rotates in response to the movement of button cap 21, flexible member 23 is compressed and triggered switch circuit plate 24 and produce push button signalling, as shown in Figure 6.When user no longer presses button cap 21, put on pushing force F3 on button cap 21 and disappear, make the first elastic force F1 up be greater than the second elastic force F2 down, and flexible member 23 pushes against button cap 21 moves to the first height H 3, as shown in Figure 5.Therefore, user only needs to apply small pushing force F3 in button cap 21, gets final product triggered switch circuit plate 24 and produces push button signalling, to have labour-saving effect.
Specifically have two, first, touched and in the process of movement in button cap 21, the movement of button cap 21 is occurred by the distortion of scissor Connection Element 22, simultaneously, second end of the first framework 211 is fixing in the 4th fixed structure 202 not to be moved, the open side of the second end then slightly toward the second fixed structure 212 in the second fixed structure 212 (being also the right side of Fig. 5) of the second framework 221 is mobile, and its mobile range moves to second place P2 by primary importance P1 as known technology.And the deformable reason of scissor Connection Element 22 is, scissor Connection Element 22 adopts the structure of different-thickness, makes scissor Connection Element 22 have flexible flexibility, and is out of shape.On the other hand, because scissor Connection Element 22 adopts made by the material with high stiffness, scissor Connection Element 22 is made to have rigidity that is flexible but that do not rupture.
Second, although scissor Connection Element 22 has flexible characteristic, but one first included angle A 1 between the first section 2213 and the 3rd section 2223 equals one second included angle A 2 between the second section 2214 and the 4th section 2224, make the external form that scissor Connection Element 22 still remains balanced.When user presses button cap 21, do not rock because scissor Connection Element 22 is designed to balanced external form, therefore scissor Connection Element 22 can provide a smooth and easy feel that presses stably to give user.On the other hand, also because scissor Connection Element 22 has flexible characteristic, one the 3rd angle (not being shown in figure) between the first section 2213 and the 4th section 2224 is made to be less than one the 4th angle (not being shown in figure) between the second section 2214 and the 3rd section 2223.As in known scissor Connection Element, this two angle corresponding to the 3rd angle and the 4th angle is identical mutually, and different from the structure of the scissor Connection Element of the present invention 22.
In addition, the present invention also provides one second preferred embodiment.Refer to Fig. 7, its press-key structure structure schematic side view in the second preferred embodiment being the present invention has scissor Connection Element.Press-key structure 3 comprises base plate 30, button cap 31, scissor Connection Element 32, flexible member 33 and a switching circuit board 34, base plate 30 comprises one the 3rd fixed structure 301 and one the 4th fixed structure 302, button cap 31 comprises first fixed structure 311 and one second fixed structure 312, and scissor Connection Element 32 comprises one first framework 321,1 second framework 322 and a point of rotation 323.The structure of the press-key structure 3 with scissor Connection Element of this preferred embodiment is identical haply with the press-key structure 2 of aforementioned first preferred embodiment, and its something in common then no longer adds explanation.Two are had as the press-key structure 3 of the scissor Connection Element of this preferred embodiment and press-key structure 1 difference of the first preferred embodiment, first, the structure of the first framework 321 and the second framework 322, the second, the structure of first fixed structure 311, second fixed structure 312, the 3rd fixed structure 301 and the 4th fixed structure 302.
About the first point, the first framework 321 comprises the first side wall 3211,1 first protuberance 3212 and one first holding tank 3213, first protuberance 3212 and to be arranged on the first side wall 3211 and to be formed toward extension from the first side wall 3211.Second framework 322 comprises one second sidewall 3221,1 second protuberance 3222 and one second holding tank 3223, and the second protuberance 3222 to be arranged on the second sidewall 3221 and to be formed toward extension from the second sidewall 3221.First holding tank 3213 is arranged on the first side wall 3211, and in order to receive the second protuberance 3222 in wherein, and the second holding tank 3223 is arranged on the second sidewall 3221, in order to hold the first protuberance 3212 in wherein.When the first framework 321 is connected with the second framework 322 and rotates, first protuberance 3212 stretches into the second holding tank 3223, and the second protuberance 3222 stretches into the first holding tank 3213, the first protuberance 3212 and the second protuberance 3222 are moved respectively in the second holding tank 3223 and the first holding tank 3213.That is, the point of rotation 323 is made up of jointly the first protuberance 3212 and the second protuberance 3222..
In scissor Connection Element 32, one first section 3214 of the first side wall 3211 is by the section of first end to the first protuberance 3212 of the first framework 3211 and a contact position C of the second protuberance 3222, and one second section 3215 of the first side wall 3211 is by the section of the second end to the first protuberance 3212 of the first framework 3211 and the contact position C of the second protuberance 3222.One the 3rd section 3224 of the second sidewall 3221 is by the section of first end to the first protuberance 3212 of the second framework 322 and the contact position C of the second protuberance 3222, and one the 4th section 3225 of the second sidewall 3221 is by the section of the second end to the first protuberance 3212 of the second framework 322 and the contact position C of the second protuberance 3222.Wherein, the first section 3214 has one first thickness T1, and the second section 3215 has one second thickness T2,3rd section 3224 has one the 4th thickness T4, and the 4th section 3225 has one the 3rd thickness T3, and the first thickness T1 is less than the second thickness T2, and the 3rd thickness T3 is less than the 4th thickness T4.
About second point, first fixed structure 311, second fixed structure 312 and the 3rd fixed structure 301 all adopt closed snap fit, 4th fixed structure 302 then adopts open snap fit, so that assemble scissor Connection Element 32, button cap 31 and base plate 30.Specifically be, in the process that button cap 31 is touched, because the 4th fixed structure 302 adopts open snap fit, second end of the first framework 311 can slightly move toward the open side (being also the right side of Fig. 7) of the 4th fixed structure 302, and its mobile range is quite little and can be considered that the second end of the first framework 311 does not move.In this preferred embodiment, only have the 4th fixed structure 302 to adopt the design of open snap fit, with aforementioned have in the first preferred embodiment of two open snap fits compared with, the stroke of button cap 31 movement of this preferred embodiment reduces a little.Therefore, the press-key structure that the present invention has a scissor Connection Element can adopt according to the demand of user open snap fit, closed snap fit or two kinds used in combination, with the stroke of adjustable button cap movement, and different demand can be provided press feel.
According to above-mentioned known, the scissor Connection Element that the present invention has the press-key structure of scissor Connection Element adopts the first section and the 4th section to have less thickness, and the second section and the 3rd section have larger thickness, make scissor Connection Element to present case of bending, and second elastic force is down provided.Compared with known technology, the scissor Connection Element of known technology cannot provide strength down, therefore when user presses known press-key structure, must apply the pushing force of the elastic force being greater than flexible member.The press-key structure having a scissor Connection Element due to the present invention can provide the second elastic force down, user can apply less pushing force and give button cap, namely make strength down (also the second elastic force add pushing force) can be greater than strength up (also i.e. the first elastic force) easily, button cap can move down and make flexible member triggered switch circuit plate.Therefore, press-key structure of the present invention is available for users to operate it with less strength, can labour-saving effect to have.
The foregoing is only preferred embodiment of the present invention, and be not used to limit claim of the present invention, under therefore all other does not depart from disclosed spirit, the equivalence that completes changes or modifies, and all should be contained in claim of the present invention.
Claims (13)
1. there is a press-key structure for scissor Connection Element, comprising:
One base plate;
One button cap, is positioned at the top of this base plate, in order to touched and move relative to this base plate;
One scissor Connection Element, between this base plate and this button cap, in order to connect this base plate and this button cap and to make this button cap move up and down relative to this base plate; And
One flexible member, between this base plate and this button cap and through this scissor Connection Element, in order to contact with button cap and to provide an elastic force to this button cap; Wherein when this button cap is not touched, this scissor Connection Element presents a case of bending.
2. have the press-key structure of scissor Connection Element as claimed in claim 1, wherein this scissor Connection Element comprises:
One first framework, has a first side wall, and a first end of this first side wall is connected to this button cap, and one second end of this first side wall is connected to this base plate; Wherein the thickness of one first section of this first side wall is less than the thickness of one second section of this first side wall, and this first section is close to this first end of this first side wall, and this second section is close to this second end of this first side wall; And
One second framework, be rotationally connected with this first framework and and between this first framework, there is a point of rotation, make this second framework with this point of rotation for axle and relative to this first frame member, this second framework has one second sidewall, one first end of this second sidewall is connected to this base plate, and one second end of this second sidewall is connected to this button cap; Wherein the thickness of one the 3rd section of this second sidewall is greater than the thickness of one the 4th section of this second sidewall, and the 3rd section is close to this first end of this second sidewall, and the 4th section is close to this second end of this second sidewall.
3. there is the press-key structure of scissor Connection Element as claimed in claim 2, wherein this point of rotation is made up of a connecting axle of this first framework and a connecting hole of this second framework, the centre that this connecting axle is arranged at this first side wall is formed from this first side wall toward extension, and this connecting hole is arranged in the centre on this second sidewall, when this first framework is connected with this second framework and rotates, this connecting axle is through this connecting hole, and this connecting axle rotates in this connecting hole.
4. there is the press-key structure of scissor Connection Element as claimed in claim 3, wherein when this scissor Connection Element is fixed between this base plate and this button cap, this second end that the length summation of this second section and the 3rd section equals this first framework to this second framework this first end between distance; Wherein this first section be in this first framework by this first end of this first framework to the section of this centre of this first side wall, this second section be in this first framework by this second end of this first framework to the section of this centre of this first side wall, 3rd section be in this second framework by this first end of this second framework to the section of this centre of this second sidewall, and the 4th section be in this second framework by this second end of this second framework to the section of this centre of this second sidewall.
5. there is the press-key structure of scissor Connection Element as claimed in claim 2, wherein this point of rotation is made up of one first protuberance of this first framework and one second protuberance of this second framework, this first framework also comprises one first holding tank, this first protuberance and this first holding tank are all arranged on this first side wall, and this first holding tank is in order to hold this second protuberance, this second framework also comprises one second holding tank, this second protuberance and this second holding tank are all arranged on this second sidewall, and this second holding tank is in order to hold this first protuberance, when this first framework is connected with this second framework and rotates, this first protuberance stretches into this second holding tank, and this second protuberance stretches into this first holding tank, this first protuberance and this second protuberance move respectively in this second holding tank and this first holding tank.
6. there is the press-key structure of scissor Connection Element as claimed in claim 5, wherein when this scissor Connection Element is fixed between this base plate and this button cap, this second end that the length summation of this second section and the 3rd section equals this first framework to this second framework this first end between distance, wherein this first section be in this first framework by this first end of this first framework to the section of a contact position of this first protuberance and this second protuberance, this second section be in this first framework by this second end of this first framework to the section of this contact position of this first protuberance and this second protuberance, 3rd section be in this second framework by this first end of this second framework to the section of this contact position of this first protuberance and this second protuberance, and the 4th section be in this second framework by this second end of this second framework to the section of this contact position of this first protuberance and this second protuberance.
7. have the press-key structure of scissor Connection Element as claimed in claim 2, wherein this button cap also comprises:
One first fixed structure, a lower surface being arranged at this button cap is positioned at one first side of this button cap, in order to be connected with this first end of this first framework; And
One second fixed structure, be arranged at this button cap one this on the surface and be positioned at one second side of this button cap, in order to be connected with this second end of this second framework;
And this base plate comprises:
One the 3rd fixed structure, to be arranged on this base plate and to be positioned at one first side of this base plate, in order to be connected with this first end of this second framework; And
One the 4th fixed structure, to be arranged on this base plate and to be positioned at one second side of this base plate, in order to be connected with this second end of this first framework.
8. there is a press-key structure for scissor Connection Element, comprising:
One base plate;
One button cap, is positioned at the top of this base plate, in order to touched and move relative to this base plate;
One scissor Connection Element, between this base plate and this button cap, in order to connect this base plate and this button cap and to make this button cap move up and down relative to this base plate, this scissor Connection Element comprises:
One first framework, has a first side wall, and a first end of this first side wall is connected to this button cap, and one second end of this first side wall is connected to this base plate; And
One second framework, be rotationally connected with this first framework and and between this first framework, there is a point of rotation, make this second framework with this point of rotation for axle and relative to this first frame member, this second framework has one second sidewall, one first end of this second sidewall is connected to this base plate, and one second end of this second sidewall is connected to this button cap; And
One flexible member, between this base plate and this button cap and through this scissor Connection Element, in order to contact with button cap and to provide an elastic force to this button cap; Wherein the thickness of this first end of this first side wall is less than the thickness of one second end of this first side wall, and the thickness of this first end of this second sidewall is greater than the thickness of one second end of this second sidewall.
9. there is the press-key structure of scissor Connection Element as claimed in claim 8, wherein this point of rotation is made up of a connecting axle of this first framework and a connecting hole of this second framework, the centre that this connecting axle is arranged at this first side wall is formed from this first side wall toward extension, and this connecting hole is arranged in the centre on this second sidewall, when this first framework is connected with this second framework and rotates, this connecting axle is through this connecting hole, and this connecting axle rotates in this connecting hole.
10. there is the press-key structure of scissor Connection Element as claimed in claim 9, wherein when this scissor Connection Element is fixed between this base plate and this button cap, and this button cap not touched time, this the first side wall and this second sidewall of this scissor Connection Element present a case of bending, and the length summation of this second section and the 3rd section this second end of equaling this first framework to this second framework this first end between distance; Wherein this first section be in this first framework by this first end of this first framework to the section of this centre of this first side wall, this second section be in this first framework by this second end of this first framework to the section of this centre of this first side wall, 3rd section be in this second framework by this first end of this second framework to the section of this centre of this second sidewall, and the 4th section be in this second framework by this second end of this second framework to the section of this centre of this second sidewall.
11. press-key structures as claimed in claim 9 with scissor Connection Element, wherein this point of rotation is made up of one first protuberance of this first framework and one second protuberance of this second framework, this first framework also comprises one first holding tank, this first protuberance and this first holding tank are all arranged on this first side wall, and this first holding tank is in order to hold this second protuberance, this second framework also comprises one second holding tank, this second protuberance and this second holding tank are all arranged on this second sidewall, and this second holding tank is in order to hold this first protuberance, when this first framework is connected with this second framework and rotates, this first protuberance stretches into this second holding tank, and this second protuberance stretches into this first holding tank, this first protuberance and this second protuberance move respectively in this second holding tank and this first holding tank.
12. press-key structures as claimed in claim 11 with scissor Connection Element, wherein when this scissor Connection Element is fixed between this base plate and this button cap, and this button cap not touched time, this the first side wall and this second sidewall of this scissor Connection Element present a case of bending, and the length summation of this second section and the 3rd section this second end of equaling this first framework to this second framework this first end between distance, wherein this first section be in this first framework by this first end of this first framework to the section of a contact position of this first protuberance and this second protuberance, this second section be in this first framework by this second end of this first framework to the section of this contact position of this first protuberance and this second protuberance, 3rd section be in this second framework by this first end of this second framework to the section of this contact position of this first protuberance and this second protuberance, and the 4th section be in this second framework by this second end of this second framework to the section of this contact position of this first protuberance and this second protuberance.
13. press-key structures as claimed in claim 8 with scissor Connection Element, wherein this button cap also comprises:
One first fixed structure, a lower surface being arranged at this button cap is positioned at one first side of this button cap, in order to be connected with this first end of this first framework; And
One second fixed structure, be arranged at this button cap one this on the surface and be positioned at one second side of this button cap, in order to be connected with this second end of this second framework;
And this base plate comprises:
One the 3rd fixed structure, to be arranged on this base plate and to be positioned at one first side of this base plate, in order to be connected with this first end of this second framework; And
One the 4th fixed structure, to be arranged on this base plate and to be positioned at one second side of this base plate, in order to be connected with this second end of this first framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310462476.2A CN104517768B (en) | 2013-09-30 | 2013-09-30 | Press-key structure with scissor connecting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310462476.2A CN104517768B (en) | 2013-09-30 | 2013-09-30 | Press-key structure with scissor connecting element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104517768A true CN104517768A (en) | 2015-04-15 |
| CN104517768B CN104517768B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310462476.2A Expired - Fee Related CN104517768B (en) | 2013-09-30 | 2013-09-30 | Press-key structure with scissor connecting element |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810169A (en) * | 2015-05-20 | 2015-07-29 | 董晨辉 | Pressing structure used for keyboard |
| CN107680863A (en) * | 2017-11-17 | 2018-02-09 | 苏州达方电子有限公司 | Button and keyboard |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278372A (en) * | 1991-11-19 | 1994-01-11 | Brother Kogyo Kabushiki Kaisha | Keyboard having connecting parts with downward open recesses |
| CN1363941A (en) * | 2001-01-09 | 2002-08-14 | 达方电子股份有限公司 | Lifting key device |
| US20070119696A1 (en) * | 2005-11-29 | 2007-05-31 | Zippy Technology Corp. | Pushbutton mechanism for keyboards |
| CN102651284A (en) * | 2011-02-24 | 2012-08-29 | 致伸科技股份有限公司 | Key structure provided with scissor-type connection element |
-
2013
- 2013-09-30 CN CN201310462476.2A patent/CN104517768B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278372A (en) * | 1991-11-19 | 1994-01-11 | Brother Kogyo Kabushiki Kaisha | Keyboard having connecting parts with downward open recesses |
| CN1363941A (en) * | 2001-01-09 | 2002-08-14 | 达方电子股份有限公司 | Lifting key device |
| US20070119696A1 (en) * | 2005-11-29 | 2007-05-31 | Zippy Technology Corp. | Pushbutton mechanism for keyboards |
| CN102651284A (en) * | 2011-02-24 | 2012-08-29 | 致伸科技股份有限公司 | Key structure provided with scissor-type connection element |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810169A (en) * | 2015-05-20 | 2015-07-29 | 董晨辉 | Pressing structure used for keyboard |
| CN107680863A (en) * | 2017-11-17 | 2018-02-09 | 苏州达方电子有限公司 | Button and keyboard |
| CN107680863B (en) * | 2017-11-17 | 2020-10-20 | 苏州达方电子有限公司 | Key and keyboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104517768B (en) | 2017-07-18 |
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Granted publication date: 20170718 Termination date: 20180930 |