CN104517768B - Press-key structure with scissor connecting element - Google Patents
Press-key structure with scissor connecting element Download PDFInfo
- Publication number
- CN104517768B CN104517768B CN201310462476.2A CN201310462476A CN104517768B CN 104517768 B CN104517768 B CN 104517768B CN 201310462476 A CN201310462476 A CN 201310462476A CN 104517768 B CN104517768 B CN 104517768B
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- China
- Prior art keywords
- framework
- section
- button cap
- base plate
- connecting element
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Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of press-key structure with scissor connecting element, including a base plate, a button cap, to connecting bottom board and a scissor connecting element of button cap and a flexible member.When press-key structure is completed, and button cap, when not being touched, flexible member provides first elastic force up, and a case of bending is presented in scissor connecting element, and provides second elastic force down.Therefore, press-key structure of the invention, user only need to press button cap with small strength, you can triggering press-key structure.
Description
Technical field
The present invention relates to a kind of press-key structure, more particularly to applied to the press-key structure on key board unit.
Background technology
Computer is widely used and is full of in the daily life of modern, either works or amusement aspect,
Computer all plays considerable role, and with the development in epoch, computer is increasingly evolved, and computer peripheral is also sent out therewith
Exhibition, wherein input unit is the more aobvious weight of key board unit in the important bridge that user is connected with computer, especially input unit
Will, therefore keyboard manufacturers release the key board unit for meeting various use demands in response to various use demands.
Key board unit is made up of multiple press-key structures, and its press-key structure is known please refer to Fig. 1 and Fig. 2, Fig. 1
The STRUCTURE DECOMPOSITION schematic perspective view of press-key structure, and Fig. 2 is the structure schematic side view of known press-key structure.Known press-key structure
1 includes a button cap 11, a scissor connecting element 12, an elastic caoutchouc 13, a film switch circuit 14 and a base plate 15.
Button cap 11 is pressed with for user, and is connected with scissor connecting element 12, and button cap 11 includes a first fixed structure
111 and one second fixed structure 112, first fixed structure 111 be arranged on a lower surface 113 of button cap 11 and positioned at by
First side of keycap 11, and the second fixed structure 112 is arranged on the lower surface 113 of button cap 11 and positioned at the of button cap 11
Two sides.Base plate 15 includes one the 3rd fixed structure 151 and one the 4th fixed structure 152, and the 3rd fixed structure 151 is arranged at bottom
On plate 15 and positioned at the first side of base plate 15, and the 4th fixed structure 152 is arranged on base plate 15 and positioned at the second of base plate 15
Side.Wherein, the fixed structure 151 of first fixed structure 111 and the 3rd be closed snap fit, and the second fixed structure 112 and
4th fixed structure 152 is then open snap fit.
Scissor connecting element 12 includes an inner frame 121 and an outer framework 122, and the first end of inner frame 121 is connected
The 4th fixed structure of base plate 15 is then connected in the second end of the first fixed structure 111 of button cap 11, and inner frame 121
152, and the first end of outer framework 122 is connected to the 3rd fixed structure 151 of base plate 15, and the second end connection of outer framework 122
In the second fixed structure 112 of button cap 11, thereby, scissor connecting element 12 is able to be connected to button cap 11 and base plate
15.Wherein inner frame 121 has an input axis 1211, and outer framework 122 has a housing frame aperture 1221, passes through inner frame
Axle 1211 connects inner frame 121 and outer framework 122 and inner frame 121 is carried out relatively through housing frame aperture 1221
In the rotation of outer framework 122.Film switch circuit 14 is arranged on base plate 15, and elastic caoutchouc 13 be then arranged at button cap 11 with
Between film switch circuit 14, to when button cap 11 is touched, elastic caoutchouc 13 is pushed against and deformed by button cap 11, and touch
Send out film switch circuit 14 and produce push button signalling.The situation that each element of press-key structure 1 is completed, as shown in Figure 2.
Next the operation situation of known press-key structure 1 is illustrated.It is known button please refer to Fig. 2 and Fig. 3, Fig. 3
The touched structure schematic side view of structure.Fig. 2 shows the state that press-key structure 1 is not touched, now, press-key structure 1
Button cap 11 is located at one first height H1, and inner frame 121 and outer framework 122 are presented crossing condition, and the second of outer framework 122
End is located at the first position P1 in the second fixed structure 112.When press-key structure 1 is touched, button cap 11 is pushed by one
Power, makes elastic caoutchouc 13 be extruded and compressive state is presented, meanwhile, the inner frame 121 and housing of scissor connecting element 12
Frame 122 is rotated in response to the movement of button cap 11 with input axis 1211 and housing frame aperture 1221 for axle, makes inner frame
121 are changed to closed state with outer framework 122, and signal is produced to press the film switch circuit 14 on base plate 15.Now, press
The button cap 11 of bond structure 1 is located at one second height H2, and the second end of outer framework 122 is moved in the second fixed structure 112
A second place P2, as shown in Figure 3.Wherein, the distance between the first height H1 and the second height H2 are press-key structure 1
Stroke.
When button cap 11 is no longer touched, button cap 11 is because elastic caoutchouc 13 is as the elasticity produced by compressive state is replied
Power and supported upwards, inner frame 121 and outer framework 122 are rotated with the traction of button cap 11, move button cap 11
To the first height H1 position, and the first position P1 that the second end of outer framework 122 is also returned in the second fixed structure 112.
However, as user is elongated using the time of computer, user presses button for a long time and can cause to use repeatedly
The finger fatigue of person, is damaged with the finger to user.Accordingly, it would be desirable to a kind of relatively labor-saving press-key structure.
The content of the invention
It is a primary object of the present invention to provide a kind of relatively labor-saving press-key structure with scissor connecting element.
In a preferred embodiment, the present invention, which provides a kind of press-key structure with scissor connecting element, includes a bottom
Plate, a button cap, a scissor connecting element and a flexible member.The button cap is located at the top of the base plate, to be touched
Press and moved relative to the base plate.The scissor connecting element, between the base plate and the button cap, to connect the bottom
Plate and the button cap and the button cap is set to be moved up and down relative to the base plate.The flexible member is located at the base plate and the button
Between cap and through the scissor connecting element, an elastic force is contacted and provided with button cap to the button cap；Wherein when
When the button cap is not touched, a case of bending is presented in the scissor connecting element.
In a preferred embodiment, the present invention, which also provides a kind of press-key structure with scissor connecting element, includes a bottom
Plate, a button cap, a scissor connecting element and a flexible member, and the scissor connecting element include one first framework with
And one second framework.The button cap is located at the top of the base plate, to touched relative to base plate movement.The scissor company
Element is connect, between the base plate and the button cap, to connect the base plate and the button cap and make the button cap relative
Moved up and down in the base plate.First framework has a first side wall, and a first end of the first side wall is connected to the button cap,
And one second end of the first side wall is connected to the base plate.Second framework be rotationally connected with first framework and with this first
There is a point of rotation between framework, make second framework using the point of rotation as axle relative to first frame member, this second
Framework has a second sidewall, and a first end of the second sidewall is connected to the base plate, and one second end of the second sidewall connects
It is connected to the button cap.The flexible member is located between the base plate and the button cap and through the scissor connecting element, is used to
Contacted with button cap and provide an elastic force to the button cap；Wherein the thickness of the first end of the first side wall be less than this first
The thickness at one second end of side wall, and thickness of the thickness more than one second end of the second sidewall of the first end of the second sidewall
Degree.
The beneficial effects of the present invention are the scissor connection member of press-key structure of the present invention with scissor connecting element
Part has less thickness using the first section and the 4th section, and the second section and the 3rd section have larger thickness
Degree so that case of bending can be presented in scissor connecting element, and provides second elastic force down.Therefore user can apply compared with
Small pushing force gives button cap so that the second elastic force and pushing force down can be more than the first elastic force up easily,
Button cap can move down and make flexible member trigger switch circuit board.Therefore, press-key structure of the present invention be available for users to
Less strength and operate it, with can labour-saving effect.
Brief description of the drawings
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.
STRUCTURE DECOMPOSITIONs of the Fig. 4 for press-key structure of the present invention with scissor connecting element in the first preferred embodiment is stood
Body schematic diagram.
Fig. 5 has structure side of the press-key structure of scissor connecting element in the first preferred embodiment depending on showing for the present invention
It is intended to.
The structure that Fig. 6 is touched for press-key structure of the present invention with scissor connecting element in the first preferred embodiment
Schematic side view.
Fig. 7 has structure side of the press-key structure of scissor connecting element in the second preferred embodiment depending on showing for the present invention
It is intended to.
Wherein, description of reference numerals is as follows：
1st, 2,3 press-key structure
11st, 21,32 button cap
12nd, 22,32 scissor connecting element
13 elastic caoutchoucs
14 film switch circuits
15th, 20,30 base plate
23rd, 33 flexible member
24th, 34 switching circuit board
101st, 201,301 the 3rd fixed structure
102nd, 202,302 the 4th fixed structure
111st, 211,311 first fixed structure
112nd, 212,312 second fixed structure
121 inner frames
122 inner frames
The lower surface of 213 button caps
221st, 321 first framework
222nd, 322 second framework
223rd, 323 point of rotation
1211 input axis
1221 housing frame aperture
2211st, 3211 the first side wall
2212 connecting shafts
2213rd, 3,214 first section
2214th, 3,215 second section
2221st, 3221 second sidewall
2222 connecting holes
2223rd, 3224 the 3rd section
2224th, 3225 the 4th section
3212 first convex portions
3213 first holding tanks
3222 second convex portions
3223 second holding tanks
The contact position of the convex portions of C first and the second convex portion
The angles of A1 first
The angles of A2 second
The elastic forces of F1 first
The elastic forces of F2 second
F3 pushing forces
The height of H1, H3 first
The height of H2, H4 second
P1 first positions
The P2 second places
T1 first thickness
T2 second thickness
The thickness of T3 the 3rd
The thickness of T4 the 4th
Embodiment
In view of the problem of known technology, the present invention provides a kind of press-key structure for solving the problems, such as known technology.It is multiple to press
Bond is configured to a key board unit, and the present invention only illustrates with regard to single push-button structure.It is this please refer to Fig. 4 and Fig. 5, Fig. 4
STRUCTURE DECOMPOSITION schematic perspective view of press-key structure of the invention with scissor connecting element in the first preferred embodiment, and Fig. 5
For structure schematic side view of press-key structure of the present invention with scissor connecting element in the first preferred embodiment.By bond
Structure 2 includes a base plate 20, a button cap 21, a scissor connecting element 22, a flexible member 23 and a switching circuit board 24.
Base plate 20 is connected to scissor connecting element 22, and base plate 20 includes one the 3rd fixed structure 201 and one the 4th fixed structure
202, the 3rd fixed structure 201 is arranged on base plate 20 and positioned at the first side (left side in Fig. 5) of base plate 20, and the 4th fixes
Structure 202 is arranged on base plate 20 and positioned at the second side (right side in Fig. 5) of base plate 20.Button cap 21 is located at the upper of base plate 20
Side, is moved to touched relative to base plate 20, and button cap 21 includes a first fixed structure 211 and one second fixed knot
Structure 212, first fixed structure 211 is arranged on a lower surface 213 of button cap 21 and positioned at first side (Fig. 5 of button cap 21
In left side), and the second fixed structure 212 is arranged on the lower surface 213 of button cap 21 and positioned at the second side of button cap 21
(right side in Fig. 5).
In this preferred embodiment, the fixed structure 212 of first fixed structure 211 and second and the one of button cap 21 into
Type, and the 3rd fixed structure 201 and the 4th fixed structure 202 are then integrally formed with base plate 20, and first fixed structure 211 with
And the 3rd fixed structure 201 be all closed snap fit, and the second fixed structure 212 and the 4th fixed structure 202 then for open
Formula snap fit, but it is non-as limit.In another preferred embodiment, first fixed structure, the second fixed structure, the 3rd fixed structure
And the 4th fixed structure can all be adopted as open snap fit or closed snap fit.
Scissor connecting element 22 is located between base plate 20 and button cap 21, to connecting bottom board 20 and button cap 21
And button cap 21 is moved up and down relative to base plate 20, scissor connecting element 22 includes 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 the second framework 222 and the first framework 221
Between have a point of rotation 223, make the second framework 222 with the point of rotation 223 be axle and rotated relative to the first framework 221.First
Framework 221 includes a first side wall 2211 and a connecting shaft 2212, and the first end of the first side wall 2211 is connected to button cap 21
First fixed structure 211, and the second end of the first side wall 2211 is then connected to the 4th fixed structure 202 of base plate 20.Connection
Axle 2212 is arranged in the centre of the first side wall 2211 and is extended outward by the first side wall 2211 and formed.On the other hand,
Two frameworks 222 include a second sidewall 2221 and a connecting hole 2222, and the first end of second sidewall 2221 is connected to base plate 20
The 3rd fixed structure 201, and the second end of second sidewall 2221 is then connected to the second fixed structure 212 of button cap 21.Even
Hole 2222 is connect to be arranged in the centre of second sidewall 2221, when the first framework 221 is connected and rotated with the second framework 222,
Connecting shaft 2212 passes through connecting hole 2222, and connecting shaft 2212 is rotated in connecting hole 2222, and wherein the point of rotation 223 is by connecting shaft
2212 and connecting hole 2222 collectively formed.In this preferred embodiment, the first framework 221 and the second framework 222 all with
Polyoxygenated polyformaldehyde (Polyoxymethylene, POM) or polypropylene (Polypropylene, PP) are made.
In first framework 221, the first side wall 2211 is made up of one first section 2213 and one second section 2214, the
One section 2213 by the first framework 221 first end to the first side wall 2211 centre section, and the first section 2213 has
Have a first thickness T1, and the second section 2214 by the first framework 221 the second end to the first side wall 2211 centre area
Section, and the second section 2214 has a second thickness T2, and first thickness T1 is less than second thickness T2.On the other hand, the second frame
In frame 222, second sidewall 2221 is made up of one the 3rd section 2223 and one the 4th section 2224, and the 3rd section 2223 is by
The first end of two frameworks 222 to the centre of second sidewall 2221 section, and the 3rd section 2223 have one the 4th thickness T4,
And the 4th section 2224 by the second framework 222 the second end to second sidewall 2221 centre section, and the 4th section
2224 have one the 3rd thickness T3, wherein the 3rd thickness T3 is less than the 4th thickness T4.That is, in scissor connecting element 22
Close to button cap 21 section thickness be less than scissor connecting element 22 in close to base plate 20 section thickness.
Flexible member 23 is located between base plate 20 and button cap 21 and through scissor connecting element 22, is used to and button
Cap 21 contacts and provides an elastic force to button cap 21.Switching circuit board 24 is arranged on base plate 20 and positioned at flexible member 23
Lower section, a push button signalling is produced to be triggered by flexible member 23.In this preferred embodiment, flexible member 23 is an elasticity
Rubber, and switching circuit board 24 is by upper wiring board, space bar and film switch circuit that once wiring board is constituted.
Base plate 20, button cap 21, scissor connecting element 22, flexible member 23 and switching circuit board are shown in Fig. 5
24 combination situation, and press-key structure 2 is not touched, now, a case of bending, and button cap is presented in scissor connecting element 22
21 are located at one first height H3.Because case of bending is presented in scissor connecting element 22 so that the second section 2214 of bending with
The length summation of 3rd section 2223 of bending is extremely in equal to the second end of the first framework 221 in the state that presses and presses shape
Between the first end of second framework 222 of state one apart from D (refer to Fig. 6).Case of bending is presented in scissor connecting element 22
The reason for be, in scissor connecting element 22 close to button cap 21 section first thickness T1 and the 3rd thickness T3 points
Not little Yu in scissor connecting element 22 close to base plate 20 section second thickness T2 and the 4th thickness T4.In response to scissor
The structure of the different-thickness of connecting element 22 so that scissor connecting element 22 can after being combined with base plate 20 and button cap 21
Second elastic force F2 of the generation one toward the direction of base plate 20 (namely lower section in Fig. 5).When press-key structure 2 is not touched, elasticity
Element 23 provide one toward the direction of button cap 21 (namely top in Fig. 5) the first elastic force F1, and scissor connecting element 22
The second elastic force F2 be less than the first elastic force F1, make button cap 21 be located at the first height H3.
When press-key structure 2 is not touched, scissor connecting element 22 provides the second elastic force F2 toward base plate direction,
Therefore when user presses button cap 21, user only needs to apply a small pushing force F3 on button cap 21, makes pushing force
F3 can be more than the first elastic force F1 that flexible member 23 is provided plus the second elastic force F2, and now, button cap 21 is the bottom of relative to
Plate 20 is moved to one second height H4, and scissor connecting element 22 is rotated in response to the movement of button cap 21, makes flexible member
23 compressed and trigger switch circuit board 24 and produce push button signalling, as shown in Figure 6.When user no longer presses button cap 21
When, the pushing force F3 put on button cap 21 disappears so that the first elastic force F1 up is more than the second elastic force down
F2, and the pushing and pressing button cap 21 of flexible member 23 is moved to the first height H3, as shown in Figure 5.Therefore, user only needs to apply small
Pushing force F3 in button cap 21, you can trigger switch circuit board 24 and produce push button signalling, with labour-saving effect.
Specifically have two, first, in button cap 21 it is touched and during moving, the movement of button cap 21 is led to
Cross the deformation of scissor connecting element 22 and occur, meanwhile, the second end of the first framework 211 is solid in the 4th fixed structure 202
It is fixed not move, and the second end of the second framework 221 is then in the second fixed structure 212 slightly toward the second fixed structure 212
Open side (namely Fig. 5 right side) is mobile, and its mobile range is moved to the second place not as known technology by first position P1
P2.And the deformable reason of scissor connecting element 22 is, scissor connecting element 22 uses the structure of different-thickness so that
Scissor connecting element 22 has flexible flexibility, and is deformed.On the other hand, because scissor connecting element 22 is used
With made by the material of high stiffness so that scissor connecting element 22 has rigidity that is flexible but not being broken.
Second, although scissor connecting element 22 has flexible characteristic, but the first section 2213 and the 3rd section
One first included angle A 1 between 2223 is equal to one second included angle A 2 between the second section 2214 and the 4th section 2224 so that cut
Blade connecting element 22 still maintains external form in a balanced way.When user presses button cap 21, due to the scissor quilt of connecting element 22
Balanced external form is designed as without rocking, therefore scissor connecting element 22 can provide one smooth smoothly press feel and give user.
On the other hand, also due to scissor connecting element 22 has flexible characteristic so that the first section 2213 and the 4th section
One the 3rd angle between 2224 is (not shown in the figures) be less than between the second section 2214 and the 3rd section 2223 one the 4th
Angle (not shown in the figures).As in known scissor connecting element, corresponding to the 3rd angle and the 4th angle this two
Angle is mutually identical, and different from the structure of scissor connecting element 22 of the invention.
In addition, the present invention also provides one second preferred embodiment.Referring to Fig. 7, it has scissor connection for the present invention
Structure schematic side view of the press-key structure of element in the second preferred embodiment.Press-key structure 3 includes a base plate 30, a button
Cap 31, a scissor connecting element 32, a flexible member 33 and a switching circuit board 34, base plate 30 include one the 3rd fixed knot
The fixed structure 302 of structure 301 and 1 the 4th, button cap 31 includes a first fixed structure 311 and one second fixed structure
312, and scissor connecting element 32 includes one first framework 321, one second framework 322 and a point of rotation 323.This is preferably real
Apply the press-key structure 2 of structure and foregoing first preferred embodiment of the press-key structure 3 with scissor connecting element of example substantially
Upper identical, its something in common then no longer adds explanation.As for this preferred embodiment scissor connecting element press-key structure 3 with
The difference of press-key structure 1 of first preferred embodiment has two, first, the structure of the first framework 321 and the second framework 322,
Second, first fixed structure 311, the second fixed structure 312, the knot of the 3rd fixed structure 301 and the 4th fixed structure 302
Structure.
On first point, the first framework 321 includes a first side wall 3211, one first convex portion 3212 and one first and accommodated
Groove 3213, the first convex portion 3212 is arranged on the first side wall 3211 and is extended outward by the first side wall 3211 and formed.Second frame
Frame 322 includes a second sidewall 3221, one second convex portion 3222 and one second holding tank 3223, and, the second convex portion 3222 is set
It is placed in second sidewall 3221 and is extended outward by second sidewall 3221 and formed.First holding tank 3213 is arranged at the first side wall
On 3211, to store the second convex portion 3222 in wherein, and the second holding tank 3223 is arranged in second sidewall 3221, to hold
The first convex portion 3212 is received in wherein.When the first framework 321 is connected and rotated with the second framework 322, the first convex portion 3212 is stretched into
Second holding tank 3223, and the first holding tank 3213 is stretched into the second convex portion 3222, makes the first convex portion 3212 and the second convex portion
3222 move respectively in the second holding tank 3223 and the first holding tank 3213.That is, the point of rotation 323 is by the first convex portion
3212 and second convex portion 3222 collectively formed.
In scissor connecting element 32, one first section 3214 of the first side wall 3211 by the first framework 3211 first end
To the first convex portion 3212 and a contact position C of the second convex portion 3222 section, one second section 3215 of the first side wall 3211
By the second end to the first convex portion 3212 and the contact position C of the second convex portion 3222 section of the first framework 3211.Second sidewall
3221 one the 3rd section 3224 by the second framework 322 first end to the contact with the second convex portion 3222 of the first convex portion 3212 position
C section is put, one the 4th section 3225 of second sidewall 3221 is by the second end to the first convex portion 3212 of the second framework 322 and
The contact position C of two convex portions 3222 section.Wherein, the first section 3214 has a first thickness T1, and the second section 3215 has
There is a second thickness T2, the 3rd section 3224 has one the 4th thickness T4, and the 4th section 3225 has one the 3rd thickness T3, and
First thickness T1 is less than second thickness T2, and the 3rd thickness T3 is less than the 4th thickness T4.
On second point, first fixed structure 311, the second fixed structure 312 and the 3rd fixed structure 301 are all using envelope
Enclosed snap fit, and the 4th fixed structure 302 then uses open snap fit, in order to assemble scissor connecting element 32, button cap
31 and base plate 30.Specifically, during button cap 31 is touched, because the 4th fixed structure 302 is used
Open snap fit, the second end of the first framework 311 can be slightly toward open side (namely Fig. 7 right side of the 4th fixed structure 302
Side) it is mobile, its mobile range is fairly small and can be considered the second end of the first framework 311 and does not move.In this preferred embodiment, only
4th fixed structure 302 using open snap fit design, and in foregoing first preferred embodiment with two open snap fits
Compare, the stroke that the button cap 31 of this preferred embodiment is moved somewhat is reduced.Therefore, the present invention has scissor connecting element
Press-key structure can be used in mixed way according to the demand of user using open snap fit, closed snap fit or two kinds, with adjustable
The stroke of whole button cap movement, and different demands can be provided press feel.
Understood according to above-mentioned, the scissor connecting element of press-key structure of the present invention with scissor connecting element uses the
One section and the 4th section have less thickness, and the second section and the 3rd section have larger thickness so that cut
Case of bending can be presented in blade connecting element, and provides second elastic force down.Compared with known technology, known technology
Scissor connecting element can not provide strength down, therefore user is when pressing known press-key structure, it is necessary to be applied more than elasticity
The pushing force of the elastic force of element.Because press-key structure of the present invention with scissor connecting element can provide the second bullet down
Property power, user can apply less pushing force and give button cap so that (namely the second elastic force is plus pushing and pressing for strength down
Power) can be easily more than strength (namely first elastic force) up, button cap can move down and open flexible member triggering
Close circuit board.Therefore, press-key structure of the present invention is available for users to operates it with less strength, with can labour-saving work(
Effect.
The foregoing is only presently preferred embodiments of the present invention, be not limited to the present invention claim, therefore it is all its
It is intended to be limited solely by the claim of the present invention without departing from the equivalent change or modification completed under disclosed spirit
It is interior.
Claims (6)
1. a kind of press-key structure with scissor connecting element, including：
One base plate；
One button cap, positioned at the top of the base plate, to touched relative to base plate movement；
One scissor connecting element, between the base plate and the button cap, to connect the base plate and the button cap and
The button cap is set to be moved up and down relative to the base plate, the scissor connecting element includes：
One first framework, with a first side wall, a first end of the first side wall is connected to the button cap, and the first side wall
One second end be connected to the base plate；And
One second framework, is rotationally connected with first framework and has a point of rotation, the point of rotation between first framework
It is arranged in a centre of the first side wall, second framework is turned using the point of rotation as axle relative to first framework
Dynamic, second framework has a second sidewall, and a first end of the second sidewall is connected to the base plate, and the one of the second sidewall
Second end is connected to the button cap；And
One flexible member, between the base plate and the button cap and through the scissor connecting element, is used to and button cap
Contact and provide an elastic force to the button cap；Wherein the thickness of one first section of the first side wall is less than the first side wall
The thickness of one second section, the thickness of one the 3rd section of the second sidewall is more than the thickness of one the 4th section of the second sidewall
Degree, and second section is equal to second end being somebody's turn to do to second framework of first framework with the length summation of the 3rd section
The distance between first end, when the button cap is not touched, a case of bending is presented in the scissor connecting element；Wherein, should
Second section is that this to the section of the centre of the first side wall in first framework by second end of first framework
Three sections be second framework in by second framework the first end to the second sidewall a centre section.
2. having the press-key structure of scissor connecting element as claimed in claim 1, wherein the point of rotation is by first framework
A connecting shaft and a connecting hole of second framework constituted, the connecting shaft is extended by the first side wall and formed outward,
And the connecting hole is arranged in the centre in the second sidewall, when first framework is connected and rotated with second framework
When, the connecting shaft passes through the connecting hole, and the connecting shaft is rotated in the connecting hole.
3. having the press-key structure of scissor connecting element as claimed in claim 2, wherein first section is first frame
In frame by first framework the first end to the first side wall the centre section, and the 4th section be second frame
In frame by second framework second end to the centre of the second sidewall section.
4. having the press-key structure of scissor connecting element as claimed in claim 1, wherein the point of rotation is by first framework
One first convex portion and one second convex portion of second framework constituted, first framework also includes one first holding tank, should
First convex portion and first holding tank are all arranged on the first side wall, and first holding tank is second convex to accommodate this
Portion, second framework also includes one second holding tank, and second convex portion and second holding tank are all arranged at the second sidewall
On, and second holding tank is to accommodate first convex portion, when first framework is connected and rotated with second framework, this
Second holding tank is stretched into one convex portion, and first holding tank is stretched into second convex portion, first convex portion and second convex portion
Moved respectively in second holding tank and first holding tank.
5. there is the press-key structure of scissor connecting element as claimed in claim 4, wherein when the scissor connecting element quilt
When being fixed between the base plate and the button cap, the length summation of second section and the 3rd section is equal to first framework
Second end the distance between to the first end of second framework；Wherein first section be in first framework by this
The first end of one framework to first convex portion and a contact position of second convex portion section, second section for this first
Second end to first convex portion by first framework and the section of the contact position of second convex portion, the 3rd in framework
Section be in second framework by second framework the first end to first convex portion and second convex portion the contact position
Section, and the 4th section is second convex with this by second end to first convex portion of second framework in second framework
The section of the contact position in portion.
6. having the press-key structure of scissor connecting element as claimed in claim 1, the wherein button cap also includes：
One first fixed structure, is arranged on a lower surface of the button cap and positioned at one first side of the button cap, to
The first end connection of first framework；And
One second fixed structure, is arranged on the one of the button cap surface and positioned at one second side of the button cap, to
Second end connection of second framework；
And the base plate includes：
One the 3rd fixed structure, is arranged on the base plate and positioned at one first side of the base plate, to this with second framework
First end is connected；And
One the 4th fixed structure, is arranged on the base plate and positioned at one second side of the base plate, to this with first framework
Second end is connected.
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 CN104517768A (en) | 2015-04-15 |
| CN104517768B true CN104517768B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310462476.2A Expired - Fee Related CN104517768B (en) | 2013-09-30 | 2013-09-30 | Press-key structure with scissor connecting element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104517768B (en) |
Families Citing this family (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 |
| CN107680863B (en) * | 2017-11-17 | 2020-10-20 | 苏州达方电子有限公司 | Key and keyboard |
Family Cites Families (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 |
| CN1176479C (en) * | 2001-01-09 | 2004-11-17 | 达方电子股份有限公司 | Lifting key device |
| US7385149B2 (en) * | 2005-11-29 | 2008-06-10 | Zippy Technology Corp. | Pushbutton mechanism for keyboards |
| CN102651284B (en) * | 2011-02-24 | 2015-01-07 | 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN104517768A (en) | 2015-04-15 |
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Granted publication date: 20170718 Termination date: 20180930 |