CN103065841B - Press-key structure and balancing pole thereof - Google Patents
Press-key structure and balancing pole thereof Download PDFInfo
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- CN103065841B CN103065841B CN201210581662.3A CN201210581662A CN103065841B CN 103065841 B CN103065841 B CN 103065841B CN 201210581662 A CN201210581662 A CN 201210581662A CN 103065841 B CN103065841 B CN 103065841B
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Abstract
The present invention is about a kind of press-key structure and balancing pole thereof.This press-key structure comprises base plate, keycap, elevating mechanism and this balancing pole.This elevating mechanism is connected between this keycap and this base plate, can move up and down to make this keycap relative to this base plate.This balancing pole is roughly in U-shaped profile, and intermediate portion is arranged on this base plate rotationally, and its both-side ends, respectively in L-shaped wheel portion, is inserted in being relatively arranged on this keycap, on this elevating mechanism or being arranged at both groove structure simultaneously rotationally.Adopt ㄇ font compared to known balancing pole and connect keycap and base plate, the invention provides the more diversified connection of balancing pole, be conducive to miniaturized structure.In addition, the support of this elevating mechanism comprises protuberance, can be arranged at the position limiting structure block on this base plate, to limit the angle that this support rotates.
Description
Technical field
The present invention is about a kind of press-key structure, and espespecially a kind of have the press-key structure of balancing pole and the balancing pole for press-key structure.
Background technology
Current mechanical key structure primary structure, for be connected elevating mechanism between keycap with base plate, can move up and down relative to base plate to make keycap.The stability of keycap start, comprises actuating travel and smoothness, usually all relies on elevating mechanism.When elevating mechanism itself do dynamic stability not good time, keycap is also difficult to steady start.In addition, when keycap length is longer, such as blank key, the elastic force that single independently elevating mechanism cannot effectively provide keycap to balance, make keycap in time pressing, have crooked phenomenon more, therefore in practical application, the keycap polygamy that length is longer is equipped with multiple elevating mechanism, and the elastic force produced after pressing to make keycap is comparatively average.But in principle, each elevating mechanism independence start, the structure only by keycap is restrained mutually, and in practical application, keycap still has the phenomenon of inclination after pressing.To this problem, many employing balancing poles design at present, it is arranged by the elevating mechanism of balancing pole independent of press-key structure, and this balancing pole is ㄇ font, both-side ends is movably connected the base plate of press-key structure, and pars intermedia then rotatably connects on the keycap basal surface of press-key structure.By this, balancing pole can restrain the upper and lower movement of keycap to promote the smoothness of start.Generally speaking, for making balancing pole can have larger contained effect to keycap, the pars intermedia of balancing pole is combined longer scope with keycap usually as far as possible, therefore in practical application, the length of pars intermedia is at least more than seventy percent of keycap length.Due to this architectural feature, the middle part of keycap is provided with elevating mechanism and other components, such as Elastic Circular prominent (for providing resilience force and trigger switch), the pars intermedia of balancing pole cannot run through setting, therefore the pars intermedia of balancing pole only can be arranged at the side of keycap, single balancing pole is restrained the structure of keycap only to be had one-sided, is difficult to effectively restrain the start of whole keycap.In addition, known balancing pole adopts flexible material bending to form, after multiple tracks bending, and the more difficult accurate control of dimensional tolerance.
Summary of the invention
In view of the problem in prior art, an object of the present invention is to provide a kind of press-key structure, balancing pole is utilized to promote the smoothness of keycap start, and the balancing pole with U-shaped profile can make the link position of itself and keycap have more elasticity, and then further promote the smoothness of keycap start, also be conducive to space utilization, be convenient to miniaturized structure design.
The invention provides a kind of press-key structure, it comprises: base plate, keycap, elevating mechanism and balancing pole.This base plate has connected structure; This keycap is arranged on this base plate; This elevating mechanism connects between this base plate and this keycap, makes this keycap by this elevating mechanism to move up and down relative to this base plate, and this elevating mechanism has the first groove and the second groove that are oppositely arranged; This balancing pole has the first sidespin pivoted arm, the second sidespin pivoted arm and pars intermedia, this pars intermedia connects this first sidespin pivoted arm and this second sidespin pivoted arm to form U-shaped profile, this pars intermedia is arranged on this connected structure rotationally, this the first sidespin pivoted arm comprises a L shape end, one L shape end inserts in this first groove rotationally, this the second sidespin pivoted arm comprises the 2nd L shape end, and the 2nd L shape end inserts in this second groove rotationally.
As optional technical scheme, this elevating mechanism comprises the first support and the second support, this first support is connected with this base plate and this keycap all rotationally respectively with this second support, this the first sidespin pivoted arm connects this first support rotationally, and this second sidespin pivoted arm connects this second support rotationally.
As optional technical scheme, this first support is rotatable around the first axle relative to this base plate, and this first axle is parallel to first direction, this second support is rotatable around the second axle relative to this base plate, and this second axle is parallel to this first direction, this pars intermedia is rotatable around the 3rd axle relative to this base plate, and the 3rd axle is parallel to second direction, and this first direction is vertical with this second direction.
As optional technical scheme, this first support comprises protuberance, and this base plate comprises position limiting structure, the angle that this this protuberance of position limiting structure energy block rotates relative to this base plate to limit this first support.
As optional technical scheme, this balancing pole is cut by sheet material to make.
According to an embodiment, the invention provides a kind of press-key structure, it comprises: base plate, keycap, elevating mechanism and balancing pole.This base plate has connected structure; This keycap is arranged on this base plate; This elevating mechanism connects between this base plate and this keycap, makes this keycap by this elevating mechanism to move up and down relative to this base plate, and this elevating mechanism has the first slotted eye and the second slotted eye that are oppositely arranged; This balancing pole has the first sidespin pivoted arm, the second sidespin pivoted arm and pars intermedia, this pars intermedia connects this first sidespin pivoted arm and this second sidespin pivoted arm to form U-shaped profile, this pars intermedia is arranged on this connected structure rotationally, this the first sidespin pivoted arm comprises a L shape end, one L shape end inserts in this first slotted eye rotationally, this the second sidespin pivoted arm comprises the 2nd L shape end, and the 2nd L shape end inserts in this second slotted eye rotationally.
As optional technical scheme, this elevating mechanism comprises the first support and the second support, this first support is connected with this base plate and this keycap all rotationally respectively with this second support, this the first sidespin pivoted arm connects this first support rotationally, and this second sidespin pivoted arm connects this second support rotationally.
As optional technical scheme, this first support is rotatable around the first axle relative to this base plate, and this first axle is parallel to first direction, this second support is rotatable around the second axle relative to this base plate, and this second axle is parallel to this first direction, this pars intermedia is rotatable around the 3rd axle relative to this base plate, and the 3rd axle is parallel to second direction, and this first direction is vertical with this second direction.
As optional technical scheme, this first support comprises protuberance, and this base plate comprises position limiting structure, the angle that this this protuberance of position limiting structure energy block rotates relative to this base plate to limit this first support.
According to an embodiment, the invention provides a kind of press-key structure, it comprises: base plate, keycap, elevating mechanism and balancing pole.This base plate has connected structure; This keycap is arranged on this base plate, has the first link slot and the second link slot; This elevating mechanism connects between this base plate and this keycap, makes this keycap by this elevating mechanism to move up and down relative to this base plate; This balancing pole has the first sidespin pivoted arm, the second sidespin pivoted arm and pars intermedia, this pars intermedia connects this first sidespin pivoted arm and this second sidespin pivoted arm to form U-shaped profile, this pars intermedia is arranged on this connected structure rotationally, this the first sidespin pivoted arm comprises a L shape end, one L shape end inserts in this first slotted eye rotationally, this the second sidespin pivoted arm comprises the 2nd L shape end, and the 2nd L shape end inserts in this second slotted eye rotationally.
As optional technical scheme, this elevating mechanism comprises the first support and the second support, and this first support is connected with this base plate and this keycap all rotationally respectively with this second support.
As optional technical scheme, this first support is rotatable around the first axle relative to this base plate, and this first axle is parallel to first direction, this second support is rotatable around the second axle relative to this base plate, and this second axle is parallel to this first direction, this pars intermedia is rotatable around the 3rd axle relative to this base plate, and the 3rd axle is parallel to second direction, and this first direction is vertical with this second direction.
As optional technical scheme, this first support comprises protuberance, and this base plate comprises position limiting structure, the angle that this this protuberance of position limiting structure energy block rotates relative to this base plate to limit this first support.
As optional technical scheme, this first link slot and the second link slot lay respectively at the centre position of this keycap.
According to an embodiment, the invention provides a kind of press-key structure, it comprises: base plate, keycap, position limiting structure and elevating mechanism.This keycap is arranged on this base plate; This position limiting structure is arranged at this base plate; This elevating mechanism comprises two supports, these two supports connect this base plate and this keycap and all rotationally respectively between this base plate and this keycap, make this keycap by these two supports to move up and down relative to this base plate, this support comprises protuberance, this base plate comprises position limiting structure, the angle that this this protuberance of position limiting structure energy block rotates relative to this base plate to limit this support.
As optional technical scheme, this press-key structure also comprises balancing pole, have the first sidespin pivoted arm, the second sidespin pivoted arm and pars intermedia, this pars intermedia connects this first sidespin pivoted arm and this second sidespin pivoted arm to form U-shaped profile, and this pars intermedia is arranged on this base plate rotationally.
As optional technical scheme, this the first sidespin pivoted arm and this second sidespin pivoted arm correspondence connect this two supports rotationally, these two supports relative to this base plate respectively around the first axle and the second axle rotatable, and this first axle and this second axle are all parallel to first direction, this pars intermedia is rotating around the 3rd axle relative to this base plate, and the 3rd axle is parallel to second direction, this first direction is vertical with this second direction.
As optional technical scheme, these two support correspondences have the first slotted eye and the second slotted eye that are oppositely arranged, this the first sidespin pivoted arm comprises a L shape end, one L shape end inserts in this first slotted eye rotationally, this the second sidespin pivoted arm comprises the 2nd L shape end, and the 2nd L shape end inserts in this second slotted eye rotationally.
As optional technical scheme, these two supports thereon side correspondence have the first groove and the second groove that are oppositely arranged, this first groove and this second groove form the first slotted eye and the second slotted eye with the lower surface of this keycap respectively, this the first sidespin pivoted arm comprises a L shape end, one L shape end inserts in this first slotted eye rotationally, this the second sidespin pivoted arm comprises the 2nd L shape end, and the 2nd L shape end inserts in this second slotted eye rotationally.
As optional technical scheme, this base plate comprises connected structure, and this pars intermedia has fillet surface and is connected with this connected structure.
As optional technical scheme, this balancing pole is cut by sheet material and makes.
According to an embodiment, the invention provides a kind of balancing pole for press-key structure, this press-key structure has connected structure, and this balancing pole comprises: the first sidespin pivoted arm; Second sidespin pivoted arm; And pars intermedia, this pars intermedia connects this first sidespin pivoted arm and this second sidespin pivoted arm to form U-shaped profile, and this pars intermedia is arranged on this connected structure rotationally, and wherein this balancing pole is cut by sheet material and makes.
As optional technical scheme, this first sidespin pivoted arm and this second sidespin pivoted arm have L shape end respectively.
As optional technical scheme, this L shape end has the first fillet surface respectively.
As optional technical scheme, this pars intermedia has the second fillet surface.
Balancing pole of the present invention, it comprises the first sidespin pivoted arm, the second sidespin pivoted arm and pars intermedia, and this pars intermedia connects this first sidespin pivoted arm and this second sidespin pivoted arm roughly to form U-shaped profile, and wherein this balancing pole is cut by sheet material and makes.By this, the dimensional tolerance of this balancing pole shows the dimensional tolerance being less than the known balancing pole be bent to form with bar, contributes to improving assembly precision and start accuracy, that is is conducive to the miniaturization of press-key structure.In use, this pars intermedia is arranged on the connected structure of base plate rotationally, the end of this first sidespin pivoted arm and this second sidespin pivoted arm can form L shape end respectively and corresponding insertion is rotationally relatively arranged on keycap, on elevating mechanism or is arranged at both groove structure simultaneously, can play the effect promoting this keycap start smoothness.
Can be further understood by following detailed Description Of The Invention and institute's accompanying drawing about the advantages and spirit of the present invention.
Accompanying drawing explanation
Fig. 1 is the exploded view of the press-key structure according to one embodiment of the invention.
Fig. 2 is the constitutional diagram of press-key structure.
Fig. 3 is the profile of press-key structure X-X along the line in Fig. 2.
Fig. 4 is the exploded view of press-key structure according to another embodiment of the present invention.
Fig. 5 is the constitutional diagram of press-key structure.
Fig. 6 is the profile of press-key structure Y-Y along the line in Fig. 5.
Fig. 7 is the exploded view of press-key structure according to another embodiment of the present invention.
Fig. 8 is the constitutional diagram of press-key structure.
Fig. 9 is the profile of press-key structure Z-Z along the line in Fig. 8.
Embodiment
Refer to Fig. 1 to Fig. 3, Fig. 1 is the exploded view of the press-key structure 1 according to one embodiment of the invention, and Fig. 2 is the constitutional diagram of press-key structure 1, and Fig. 3 is the profile of press-key structure 1 along Fig. 2 center line X-X.Press-key structure 1 comprises base plate 12, keycap 14, elevating mechanism 16, balancing pole 18, Elastic Circular prominent 20 and film circuit board 22; Wherein, in Fig. 2, for knowing the state after display button structure 1 combination, keycap 14 does not give and illustrating.Keycap 14 is arranged on base plate 12.Elevating mechanism 16 to be arranged between base plate 12 and keycap 14 and the connected structure 122 being attached to base plate 12 and the connected structure 142 (being illustrated in Fig. 1 with hidden line) be arranged on keycap 14 lower surface 14a, makes keycap 14 by elevating mechanism 16 to move up and down relative to base plate 12.Elevating mechanism 16 has the first groove 1622a and the second groove 1622b that are oppositely arranged.Balancing pole 18 has the first sidespin pivoted arm 182a, second sidespin pivoted arm 182b and pars intermedia 184, pars intermedia 184 connects the first sidespin pivoted arm 182a and the second sidespin pivoted arm 182b roughly to form U-shaped profile, pars intermedia 184 is arranged on the connected structure 124 of base plate 12 rotationally, first sidespin pivoted arm 182a comprises L shape end 1822a, insert in the first groove 1622a rotationally, second sidespin pivoted arm 182b comprises L shape end 1822b, insert in the second groove 1622b rotationally, the top (end face) of L shape end abuts keycap rotationally, the below of L shape end abuts the groove of elevating mechanism 16 rotationally, when keycap is pressed down, elevating mechanism 16 is directly pressed down to promote the stability of this elevating mechanism 16 start by L shape end.Film circuit board 22 to be arranged on base plate 12 and to have switch 222 (in Fig. 1, being shown in setting position with dashed circle).The prominent 20 pairs of inductive switch 222 of Elastic Circular are arranged between film circuit board 22 and keycap 14, when keycap 14 is moved towards base plate 12, can extrude Elastic Circular prominent 20 with trigger switch 222.
Furthermore, in the present embodiment, elevating mechanism 16 comprises the first support 162a and the second support 162b, and the first support 162a and the second support 162b is connected respectively with base plate 12 and keycap 14 all rotationally, and be roughly symmetricly set in Elastic Circular dash forward 20 both sides.Connect without direct organization between the first support 162a and the second support 162b, and all in solid platy structure, there is higher structural strength, contribute to the stability promoting start.In the present embodiment, the first support 162a and the second support 162b is all connected structure 142 pivot joints with keycap 14, be slidably connected, but the present invention is not as limit with the connected structure 122 of base plate 12.In addition, elevating mechanism of the present invention can also the practical application of known scissors lift mechanism, and it knows known by the knowledgeable as flowing mode for the technical field of the invention has usually, does not separately repeat.In addition, in the present embodiment, base plate 12 comprises four position limiting structures 126, first support 162a and the second support 162b respectively comprises protuberance 1624a, 1624b respectively at its both sides, when the first support 162a and the second support 162b rotates up relative to base plate 12, the angle that position limiting structure 126 energy block protuberance 1624a, 1624b rotate relative to base plate 12 to limit the first support 162a and the second support 162b, that is the stroke that restriction keycap 14 moves up and down relative to base plate 12, contribute to the stability that lifting keycap 14 moves up and down.What remark additionally is, in the present embodiment, the the first support 162a and the second support 162b that are separated setting connect without direct organization each other, the setting of engraved structure can be reduced, contribute to the lifting of structural strength, therefore, relative to scissors lift mechanism, the physical dimension of the elevating mechanism 16 of the present embodiment can be less, and still can maintain required structural strength, that is contribute to the miniaturization of press-key structure.
In the present embodiment, first groove 1622a and the second groove 1622b is formed at the top of the first support 162a and the second support 162b respectively, and the first groove 1622a and the second groove 1622b forms slotted eye with the lower surface 14a of keycap 14 respectively, namely L shape end 1822a, 1822b insert in slotted eye respectively, make the first sidespin pivoted arm 182a connect the first support 162a rotationally, the second sidespin pivoted arm 182b connects the second support 162b rotationally.In practical application, keycap 14 also can form sunk structure in the corresponding first groove 1622a of lower surface 14a and the second groove 1622b place, jointly to form slotted eye with the first groove 1622a and the second groove 1622b, to reduce the adverse influence of the first groove 1622a and the second groove 1622b to the first support 162a and the second support 162b structural strength, this slotted hole structure is designed with and helps increase the elasticity being connected design between each component.The connected structure 124 of base plate 12 is in sliding groove structure, and pars intermedia 184 is slidably arranged at connected structure 124.When keycap 14 moves up and down, L shape end 1822a, 1822b rotate respectively in the first groove 1622a and the second groove 1622b, and pars intermedia 184 rotates and slides on connected structure 124.By this, balancing pole 18 directly can restrain elevating mechanism 16, makes the start of the first support 162a and the second support 162b synchronous, steady with what keep keycap 14 to move up and down.In addition, in practical application, when press-key structure 1 physical dimension is less, balancing pole 18 can be cut by sheet material and make, such as punching, and its dimensional accuracy comparatively bends processing procedure and easily controls, and can obtain preferably dimensional accuracy.Supplementary notes, when balancing pole 18 is with board making, can in forming fillet surface to increase the smooth degree of start with other component joining places.In the present embodiment, L shape end 1822a, 1822b have first fillet surface 1824a, 1824b respectively, corresponding first groove 1622a and the second groove 1622b is arranged, make the relative convergence in the cross section of L shape end 1822a, 1822b circular, contribute to L shape end 1822a, 1822b rotation in the first groove 1622a and the second groove 1622b; Pars intermedia 184 has the second fillet surface 1842 and arranges with connected structure 124, contributes to pars intermedia 184 and slides in connected structure 124 and rotate.Aforementioned first fillet surface 1824a, 1824b, the second fillet surface 1842 also can be formed in practical application in punching press processing procedure.
In the present embodiment, first support 162a is rotating and the first axle is parallel to first direction D1 relative to base plate 12 around the first axle, second support 162b is rotating and the second axle is parallel to first direction D1 relative to base plate 12 around the second axle, and therefore keycap 14 is maintained in the dynamic balancing of doing of first direction D1 by elevating mechanism 16; Pars intermedia 184 is rotating relative to base plate 12 around the 3rd axle, and the 3rd axle is parallel to second direction D2, and therefore keycap 14 is maintained in the dynamic balancing of doing of second direction D2 by balancing pole 18.Wherein, first direction D1 is vertical with second direction D2, and keycap 14 can move up and down reposefully relative to the plane (namely relative to base plate 12) being parallel to first direction D1 and second direction D2 by this.What remark additionally is, first direction D1 and second direction D2 is only needed to be not parallel to each other in principle, plane can be formed restrain, reach keycap 14 relative to this plane move up and down do dynamic balancing, therefore the present invention is not limited with the orthogonal situation of first direction D1 and second direction D2 in previous embodiment.In addition, in the present embodiment, base plate 12 and connected structure 122 thereof, 124,126 integrally formed, be such as shaped by plate stamping, bending; But the present invention is not as limit.
In previous embodiment, L shape end 1822a, 1822b of balancing pole 18 can be considered in logic and are arranged between elevating mechanism 16 and keycap 14, but the present invention is not as limit.Refer to Fig. 4 to Fig. 6, Fig. 4 is the exploded view of press-key structure 3 according to another embodiment of the present invention, and Fig. 5 is the constitutional diagram of press-key structure 3, and Fig. 6 is the profile of press-key structure 3 along Fig. 5 center line Y-Y.Press-key structure 3 is roughly the same with press-key structure 1 structure, therefore press-key structure 3 still continues to use the component symbol of press-key structure 1; In addition, in Fig. 5, for knowing the state after display button structure 3 combination, keycap 14 does not give and illustrating.Press-key structure 3 and press-key structure 1 main difference part are, in the structure of press-key structure 3, elevating mechanism 36 has the first slotted eye 1626a and the second slotted eye 1626b that are oppositely arranged, is formed at the first support 162a and the second support 162b respectively.First slotted eye 1626a and the second slotted eye 1626b replaces the first groove 1622a and the second groove 1622b, the first sidespin pivoted arm 182a and the second sidespin pivoted arm 182b in press-key structure 1 and inserts the first slotted eye 1626a and the second slotted eye 1626b to be connected with the first support 162a and the second support 162b rotationally via L shape end 1822a, 1822b respectively.Similarly, balancing pole 18 directly can restrain elevating mechanism 36, makes the start of the first support 162a and the second support 162b synchronous, and what keep the keycap 14 be connected on elevating mechanism 36 to move up and down is steady simultaneously.About other explanations of each component of press-key structure 3, refer to the related description of press-key structure 1, separately do not repeat.What remark additionally is, in the present embodiment, L shape end 1822a, 1822b of the balancing pole 18 of press-key structure 3 are only connected with the first support 162a and the second support 162b, therefore balancing pole 18 can more snugly combine with elevating mechanism 36, contributes to the synchronous of lifting first support 162a and the second support 162b start.In addition, in the present embodiment, the first slotted eye 1626a and the second slotted eye 1626b is perforation, but the present invention is not as limit.
As foregoing embodiments illustrates, L shape end 1822a, 1822b of balancing pole 18 are all directly connected with elevating mechanism 16,36, directly control the synchronous of the first support 162a and the second support 162b start, but the present invention are not as limit to reach.Refer to Fig. 7 to Fig. 9, Fig. 7 is the exploded view of press-key structure 5 according to another embodiment of the present invention, and Fig. 8 is the constitutional diagram of press-key structure 5, and Fig. 9 is the profile of press-key structure 5 along Fig. 8 center line Z-Z.Press-key structure 5 is roughly the same with press-key structure 1 structure, therefore press-key structure 5 still continues to use the component symbol of press-key structure 1; In addition, in Fig. 8, for knowing the state after display button structure 5 combination, keycap 54 does not give and illustrating.Press-key structure 5 and press-key structure 1 main difference part are, in the structure of press-key structure 1, L shape end 1822a, 1822b of balancing pole 18 extend inside balancing pole 18, and in the structure of press-key structure 5, L shape end 1822a, 1822b of balancing pole 58 then extend outside balancing pole 58, and L shape end 1822a, 1822b are only connected with keycap 54.By this, balancing pole 58 directly controls keycap 54 and does dynamic balancing in second direction D2.
Furthermore, in the present embodiment, keycap 54 has the first link slot 144a and the second link slot 144b (being illustrated in Fig. 7 with dotted line) in lower surface 54a, L shape end 1822a, 1822b insert in the first link slot 144a and the second link slot 144b respectively rotationally, and the first sidespin pivoted arm 182a of balancing pole 58 and the second sidespin pivoted arm 182b can be rotated relative to keycap 54.In the present embodiment, the first link slot 144a and the second link slot 144b is arranged at the centre position of keycap 54 with the chute practical application of L shape respectively, but the present invention is not as limit.About other explanations of each component of press-key structure 5, refer to the related description of press-key structure 1, separately do not repeat.In addition, supplementary notes, in the present embodiment, the first link slot 144a and the second link slot 144b is arranged at the skirt section around keycap 54, contributes to making whole press-key structure 5 compact conformation, is of value to Miniaturization Design.In addition, the elevating mechanism 56 of press-key structure 5 is without the need to forming the structure be connected with balancing pole 58, therefore elevating mechanism 56 structural strength can promote again, also contributes to the stability of the start of elevating mechanism 56 own.
As the explanation of foregoing embodiments, the coupling part of balancing pole of the present invention and elevating mechanism or keycap can be only two L shape ends, both connect without direct organization, even if be arranged at the prominent both sides of Elastic Circular (namely two L shape end lines are dashed forward by Elastic Circular), also can not dash forward with Elastic Circular and produce constructive interference and influence elastane justifies the start of dashing forward.In the structure of known press-key structure, balancing pole for avoiding and other component interferences, therefore only can be connected with the single side of keycap, causes balancing pole to be difficult to effectively restrain the start of whole keycap.In other words, the selected of link position of balancing pole of the present invention and elevating mechanism or keycap has more elasticity.In foregoing embodiments, L shape end 1822a, 1822b all in Elastic Circular dash forward 20 both sides and its projection be positioned at keycap 14,54 centre position to be connected with elevating mechanism 16,36 or keycap 54, balancing pole 18,58 pairs of elevating mechanisms 16,36 or keycap 54 is made to produce symmetrical contained effect, and then make elevating mechanism 16,36 and keycap 14,54 start steadily, but the present invention is not as limit.In brief, compared to the known press-key structure with balancing pole, press-key structure of the present invention is based on architectural characteristic (the U-shaped profile setting of balancing pole, be different from known ㄇ character contour to arrange), there is better structural design elasticity, better make dynamic stability to obtain, and be conducive to miniaturization.In addition, press-key structure of the present invention can utilize position limiting structure to the position-limiting action of the protuberance of elevating mechanism, to limit the angle that elevating mechanism support rotates relative to base plate, and then keycap only can be moved up and down within the scope of specific start.Therefore, press-key structure of the present invention can provide keycap in the stability making dynamic height and start level, and in other words, the keycap of press-key structure of the present invention has omnibearingly makes dynamic stability.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the claims in the present invention scope change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. a press-key structure, is characterized in that comprising:
Base plate, has connected structure;
Keycap, is arranged on this base plate;
Elevating mechanism, connect between this base plate and this keycap, make this keycap by this elevating mechanism to move up and down relative to this base plate, this elevating mechanism has the first groove and the second groove that are oppositely arranged, this elevating mechanism comprises the first support and the second support, and this first support is separated setting in this second support; And
Balancing pole, there is the first sidespin pivoted arm, the second sidespin pivoted arm and pars intermedia, this pars intermedia connects this first sidespin pivoted arm and this second sidespin pivoted arm to form U-shaped profile, this pars intermedia is arranged on this connected structure rotationally, this the first sidespin pivoted arm comprises a L shape end, one L shape end inserts in this first groove rotationally, and this second sidespin pivoted arm comprises the 2nd L shape end, and the 2nd L shape end inserts in this second groove rotationally.
2. press-key structure according to claim 1, it is characterized in that: this first support is connected with this base plate and this keycap all rotationally respectively with this second support, this the first sidespin pivoted arm connects this first support rotationally, and this second sidespin pivoted arm connects this second support rotationally.
3. press-key structure according to claim 2, it is characterized in that: this first support is rotatable around the first axle relative to this base plate, and this first axle is parallel to first direction, this second support is rotatable around the second axle relative to this base plate, and this second axle is parallel to this first direction, this pars intermedia is rotatable around the 3rd axle relative to this base plate, and the 3rd axle is parallel to second direction, and this first direction is vertical with this second direction.
4. press-key structure according to claim 2, is characterized in that: this first support comprises protuberance, and this base plate comprises position limiting structure, the angle that this this protuberance of position limiting structure energy block rotates relative to this base plate to limit this first support.
5. press-key structure according to claim 1, is characterized in that: this balancing pole is cut by sheet material to make.
6. a press-key structure, is characterized in that comprising:
Base plate, has connected structure;
Keycap, is arranged on this base plate;
Elevating mechanism, connect between this base plate and this keycap, make this keycap by this elevating mechanism to move up and down relative to this base plate, this elevating mechanism has the first slotted eye and the second slotted eye that are oppositely arranged, this elevating mechanism comprises the first support and the second support, and this first support is separated setting in this second support; And
Balancing pole, there is the first sidespin pivoted arm, the second sidespin pivoted arm and pars intermedia, this pars intermedia connects this first sidespin pivoted arm and this second sidespin pivoted arm to form U-shaped profile, this pars intermedia is arranged on this connected structure rotationally, this the first sidespin pivoted arm comprises a L shape end, one L shape end inserts in this first slotted eye rotationally, and this second sidespin pivoted arm comprises the 2nd L shape end, and the 2nd L shape end inserts in this second slotted eye rotationally.
7. press-key structure according to claim 6, it is characterized in that: this first support is connected with this base plate and this keycap all rotationally respectively with this second support, this the first sidespin pivoted arm connects this first support rotationally, and this second sidespin pivoted arm connects this second support rotationally.
8. press-key structure according to claim 7, it is characterized in that: this first support is rotatable around the first axle relative to this base plate, and this first axle is parallel to first direction, this second support is rotatable around the second axle relative to this base plate, and this second axle is parallel to this first direction, this pars intermedia is rotatable around the 3rd axle relative to this base plate, and the 3rd axle is parallel to second direction, and this first direction is vertical with this second direction.
9. press-key structure according to claim 7, is characterized in that: this first support comprises protuberance, and this base plate comprises position limiting structure, the angle that this this protuberance of position limiting structure energy block rotates relative to this base plate to limit this first support.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210581662.3A CN103065841B (en) | 2012-12-28 | 2012-12-28 | Press-key structure and balancing pole thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210581662.3A CN103065841B (en) | 2012-12-28 | 2012-12-28 | Press-key structure and balancing pole thereof |
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| CN103065841A CN103065841A (en) | 2013-04-24 |
| CN103065841B true CN103065841B (en) | 2015-09-02 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203434056U (en) * | 2013-09-12 | 2014-02-12 | 袁建君 | A button structure and keyboard using same |
| TWM502942U (en) * | 2014-11-24 | 2015-06-11 | Lite On Technology Corp | Key structure |
| CN104538228B (en) * | 2014-12-18 | 2017-07-28 | 苏州达方电子有限公司 | Button and its keyboard |
| TWI585798B (en) * | 2015-12-31 | 2017-06-01 | 酷碼科技股份有限公司 | Button and keyboard device |
| TWI674602B (en) * | 2018-11-30 | 2019-10-11 | 致伸科技股份有限公司 | keyboard |
| CN111276356B (en) * | 2018-12-04 | 2022-06-03 | 致伸科技股份有限公司 | Keyboard with a keyboard body |
| TWI711064B (en) * | 2019-07-10 | 2020-11-21 | 達方電子股份有限公司 | Key switch |
| CN112289613B (en) * | 2019-07-22 | 2023-02-14 | 苏州达方电子有限公司 | Push-button |
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| CN201112188Y (en) * | 2007-09-18 | 2008-09-10 | 达方电子股份有限公司 | Key structure |
| CN201655603U (en) * | 2010-03-11 | 2010-11-24 | 黎柏松 | Keyboard and key lifting switch device |
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| CN103065841A (en) | 2013-04-24 |
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