CN101383236A

CN101383236A - Press key construction capable of regulating stroke

Info

Publication number: CN101383236A
Application number: CNA2007101453244A
Authority: CN
Inventors: 陈宝金
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-07
Filing date: 2007-09-07
Publication date: 2009-03-11

Abstract

The invention relates to a key structure with an adjustable stroke, which comprises a bottom plate with a hook part, a bridge plate is arranged on the bottom plate, a keycap is covered on the bridge plate, a folding frame bridge is erected between the bridge plate and the keycap and comprises a bottom frame and a top frame which are mutually in pin joint, and one end of the top frame is caused to be movably perforated between the hook part which extends to the bridge plate from the bottom plate and the bridge plate. The invention has the advantage that when keyboards with different pressing strokes are prepared, the position of the hook part which corresponds to the frame bridge and the bridge plate only needs to be changed to change the pressing stroke of the keyboards. Compared with the prior art, the key structure saves cost, and moreover, the key structure with an adjustable stroke can supply sufficient key strokes for a cover lifting device when being used for the cover lifting device; when the key structure is folded, the stroke is changed, and consequently, the volume is reduced.

Description

The key structure of adjustable full line journey

Technical field

The present invention is a kind of key structure of adjustable full line journey, and refering in particular to a kind of utilization can be in the bridge formation of relative position change and the key structure of base plate control key stroke.

Background technology

The invention of computer has brought the fast development of human civilization, quick computing and processing capacity by computer, people can handle the many miscellaneous works that may take a few days in the past in a short period of time, and making rapid progress along with science and technology, for the use of more convenient user for computer, the volume of computer also is required with " light, thin, short, little " change and constantly develops, and then derive to develop portable notebook, even the mini-computer in the palm or the like.

And along with the downsizing of various computer parts, approaching of topmost assembly when using a computer---keyboard, littleization also becomes one of important link, and the computer keyboard of a kind of thinning of extensively being used in the prior art, for example: the TaiWan, China utility model is announced No. 237991, it utilizes the thin film circuit that provides electric signal to transmit is provided on a base plate, this thin film circuit is provided with the flexible key ring flat-plate of a tool again, key ring flat-plate upper end is an outstanding elastomer block, the lower end is the contact block of the transmitting signals point of a corresponding thin film circuit, one bridge formation structure is set on the key ring flat-plate again and fixes the bridge plate of this bridge formation usefulness, and by bridge formation support structure one keycap that can amount to and strut, the bottom pushing tow of keycap is in the outstanding elastomer block of key ring flat-plate, and building bridge forms interlock when supporting keycap simultaneously, and then can keep the firm of keycap and provide keyboard a stroke of pushing.

And prior art is in processing procedure, when making, the different keyboard of stroke must design a pair of bridge formation and bridge plate that should stroke corresponding to various pushing, push stroke to make keyboard reach this, with this in design of making comparatively time-consuming and relative cost of manufacture that improved just; Moreover, at present on the keyboard manufacturing technology of the notebook that carries with facility in the most exquisite reduction space, the reduction key stroke is promptly being represented the reduction that utilizes the space relatively, but if key stroke then can cause when too small the user when beaing keyboard because of the button not obvious inconvenience that causes in the input that rises and falls, reduce the keyboard usage space simultaneously and the user is provided a key stroke of being convenient to operate simultaneously and still be difficult to overcome in the making of the notebook keyboard production method of prior art, this shows that prior art truly has its defective part.

Summary of the invention

In view of aforesaid the deficiencies in the prior art point, the present invention designs a kind of press-key structure, and it is applicable in the different keyboard of various strokes, only utilize change build bridge and base plate between relative position, be the may command key stroke, and the reduction in bulk that is beneficial to lid opening device is its goal of the invention.

For achieving the above object, the technology used in the present invention means are the key structure of a kind of adjustable full line journey of design, and it comprises:

One base plate, it is a thin plate, and be formed with on it one erect meet the portion of establishing;

One bridge plate, it is arranged on the base plate and is formed with one correspondingly and wear and extend the perforation that passes for meeting the portion of establishing, and is formed with one on it and meets portion;

One keycap, it is covered on the bridge plate and on its two ends and has been formed separately the portion of connecing;

One builds bridge, and it is set up between bridge plate and the keycap, and it comprises two a mutual underframe and upper frames arranged in a crossed manner; One end of upper frame is formed with one and connects and establish end, its correspondence is arranged in connecing in the portion of establishing of base plate, its other end is formed with a cap and connects end, it is arranged in one on the keycap and meets portion, one end of underframe is formed with a bridge end, it is arranged in connecing in the portion on the bridge plate, and its other end is formed with a cap and connects end, and it is arranged at connecing in the portion on the keycap.

And in the manufacturing process of keyboard, the key structure of aforesaid adjustable full line journey is as long as the axial location of the corresponding bridge formation in hook part of change base plate and bridge plate can change the stroke of pushing of keyboard, therefore, even push in the keyboard making of stroke demand in difference, also can utilize same group of base plate, bridge plate and build bridge the difference of position is set on axially, control this keyboard and reach the required stroke of pushing, must change the mode of pushing stroke by the bridge formation and the bridge plate of another different styles compared to prior art, can save the cost of many processing procedures.

In addition, can be further apply to have the key structure of aforesaid adjustable full line journey in the lid opening device of keyboard entry method, be set to move axially and make an interlock by base plate with the project planning of lid opening device, can make this lid opening device have bigger keyboard in use and push stroke, and fold allow keyboard when carrying push stroke reduction, to reduce the volume of this lid opening device.

Description of drawings

Fig. 1 is an assembly exploded view of the present invention.

Fig. 2 is a part assembly exploded view of the present invention.

Fig. 3 is a cutaway view of the present invention.

Fig. 4 applies to the enforcement illustration of mobile computer for the present invention.

Fig. 5 applies to another enforcement illustration of mobile computer for the present invention.

[primary clustering symbol description]

(10) base plate (11) hook part

(20) thin film circuit (21) colludes the hole

(22) circuit junction (30) key ring flat-plate

(31) collude hole (32) elastomer block

(40) bridge plate (41) hook part perforation

(42) bullet piece perforation (43) fixture block

(44) collude piece (441) pivot portion

(50) keycap (51) articulated section

(52) chute (60) is built bridge

(61) underframe (611) fixed end

(612) pivot (613) pole

(614) slide block (615) recess

(62) upper frame (621) pivot end

(622) hinged arm (623) raker

(624) recess (70) lid opening device

(71) project planning (711) projecting surface

(712) recessed face (72) loam cake

(73) elastic parts

Embodiment

See also shown in Figure 1ly, the key structure of adjustable full line journey of the present invention comprises a base plate 10, a thin film circuit 20, a key ring flat-plate 30, a bridge plate 40, a keycap 50 and one and builds bridge 60 in the preferable local execution mode at single keyboard place.

Aforesaid base plate 10 is a thin plate, and be formed with a confession that erects thereon and meet the portion of establishing that connects that establishes, it can be a hook part 11, and hook part 11 is a upright lamellar body and colludes sheet from lamellar body top horizontal expansion one, and colludes sheet by this and make between the surface of hook part 11 and base plate 10 and be formed with a sliding tray.

Please further cooperate consult shown in Figure 3, aforesaid thin film circuit 20 is employed thin shapes and be provided with the lamellar body of citation circuit in the general keyboard manufacturing technology of being familiar with, hole formed therethrough has one to collude hole 21 corresponding to the hook part 11 of base plate 10 on it, this colludes hole 21 and is sheathed on the hook part 11 greater than hook part 11 and correspondence, and thin film circuit 20 is arranged on the base plate 10, thin film circuit 20 is provided with circuit junction 22, it is positioned at locating dorsad of hook part 11, and can send a corresponding message on the citation circuit by this circuit junction 22 of contact.

Aforesaid key ring flat-plate 30 is the soft plate of a rubber-like, it is arranged on the thin film circuit 20, and hole formed therethrough has one to collude hole 31 corresponding to the hook part 11 of base plate 10 on it, this colludes hole 31 and is sheathed on the hook part 11 greater than hook part 11 and correspondence, key ring flat-plate 30 tops are formed with an elastomer block 32 in the circuit junction 22 position projections of corresponding thin film circuit 20, and this elastomer block 32 can be because of stressed in the vertical direction lower compression.

Please further consult shown in Figure 2, aforesaid bridge plate 40 is a platy structure, it is arranged on the key ring flat-plate 30, and hole formed therethrough has a correspondence to be sheathed on hook part perforation 41 and one correspondence on the hook part 11 to be sheathed on bullet piece perforation 42 on the elastomer block 32 in

bridge plate

40,41 apertures are bored a hole greater than hook part 11 in this hook part, be provided with one for meeting the portion that connects that establishes usefulness in bullet piece 42 1 sides of boring a hole on the bridge plate 40 in addition, its mode can be that protuberance is formed with a fixture block 43, the hook part 11 of fixture block 43 and base plate 10 is corresponding both sides that are positioned at elastomer block 32 at interval respectively, and on fixture block 43 both sides, be formed with two correspondences and collude piece 44, collude piece 44 in the pivot portion 441 that on an end of fixture block 43 positions, is formed with concavity, and with fixture block 43 can be around being shaped to one for the structure that is pivoted that is pivoted.

See also Fig. 1, shown in 3, aforesaid keycap 50 is an end opening and the housing that is formed with a room in the openend indent, keycap 50 is covered in down on the bridge plate 40 with opening and it relies on the top of elastomer block 32, and its fixture block 43 places of the corresponding bridge plate 40 of an end in room are provided with one and meet portion, it can be the articulated section 51 that is shaped relatively in these end both sides, articulated section 51 is provided with axis hole, axis hole is formed with the breach with exterior, and 11 positions, hook part of keycap 50 corresponding base plate 10 on the other end are provided with one and meet portion, and it can be the chute 52 of the relative horizontal direction that is shaped in these end both sides.

Please further consult shown in Figure 2ly, aforesaid bridge formation 60 is set up between bridge plate 40 and the keycap 50, and it is included in a underframe 61 and a upper frame 62 that central fulcrum place articulates mutually;

One end of underframe 61 is provided with a correspondence and is arranged in bridge end on the bridge plate 40, it can be configured as a fixed end 611, fixed end 611 relies on the fixture block 43 of bridge plate 40, and the extension of 611 both sides, fixed end is formed with corresponding to the pivot 612 between the room of the pivot portion 441 of colluding

piece

44, and 441 in the pivot portion that makes fixed end 611 be pivoted being fixed in fixture block 43 and collude piece 44 by this pivot 612, and underframe 61 other ends are provided with the cap that a correspondence is arranged on the keycap 50 and connect end, it can be outstanding the shaping and the corresponding slide block 614 that is arranged in movably in the chute 52, is formed with the recess 615 corresponding to elastomer block 32 positions on the underframe 61 in addition;

One end of upper frame 62 is provided with the cap that a correspondence is arranged on the keycap 50 and connects end, it can be configured as a pivot end 621, be formed with correspondence on the pivot end 621 and be articulated in two hinged arms 622 of the axis hole of articulated section 51, and the backward end of pivot end 621 is formed with a raker 623 and connects as one and establish end, this raker 623 is corresponding and collude movably and place bridge plate 40 surfaces and extend 11 of hook parts on the bridge plate 40 from base plate 10, is formed with recess 624 on the upper frame 62 and corresponding to elastomer block 32 positions;

By build bridge 60 fixingly can make keycap 50 when being subjected to downward pressure, obtain one supporting stably and can not be offset and rock, and by the underframe 61 of bridge formation 60 and the pivot joint order bridge formation 60 of upper frame 62 can mid point be that fulcrum carries out opening and closing, can make keycap 50 have the stroke of a vertical direction activity with this, and build bridge 60 because of keycap 50 by elastomer block 32 upwards pushing tow can strut to its range place, cooperate the slide block 614 of underframe 61 and hook part 11 retaining in the horizontal direction of base plate 10 to lean in addition, keycap 50 can obtain the restriction of a maximum displacement stroke in vertical direction.

And in the key structure of aforesaid adjustable full line journey, the hook part 11 that only need change base plate 10 corresponds to the axial location of bridge formation 60, can change the stroke of pushing of this keyboard, therefore in the manufacturing process of this keyboard, hook part 11 is arranged at fixed end 611 directions near underframe 61, then the maximum of keyboard is pushed stroke and just can be obtained increase, otherwise, then the maximum that can reduce keyboard is pushed stroke, even therefore push in the keyboard making of stroke demand in difference, also can utilize same group of base plate 10, bridge plate 40 and build bridge and 60 the different of position are set in the axial direction and then control this keyboard and reach the required stroke of pushing, must change the mode of pushing stroke with bridge plate 40 by the bridge formation 60 of making another different styles compared to prior art, can save the cost of many processing procedures.

In addition, see also Fig. 4, shown in 5, the lid opening device 70 that the present invention can further apply to have keyboard entry method (for example: during notebook) keyboard is made, base plate 10 can be arranged in the lid opening device 70 with moving to axial in one embodiment, and with project planning 71 works one interlock of base plate 10 in axial top offset and lid opening device 70, the end face that its interlock can be the hook part 11 direction ends of base plate 10 relies on project planning 71, and on the lateral margin surface of project planning 71, make and be formed with a projecting surface 711 and a recessed face 712, distance between the pivot center of this two sides and project planning 71 is different, make recessed face 712 again when lid opening device 70 covers loam cake 72, correspondence turns to pushing tow to reduce away from jacking block 43 because of hook part 11 with the stroke of pushing that makes keyboard in the contact end face of base plate 10, and make projecting surface 711 correspondence when raising loam cake 72 turn to ejection in the contact end face of base plate 10 and then make the stroke of pushing of keyboard increase, with this, when the user operates this lid opening device 70, can obtain bigger keyboard and push stroke, and fold can allow keyboard when carrying push stroke reduction to reduce the volume of this lid opening device 70, this shows that the present invention's keyboard is compared to prior art made has practicality and progressive really.

Claims

1. the key structure of an adjustable full line journey is characterized in that, comprises:

2. the key structure of adjustable full line journey as claimed in claim 1 is characterized in that, underframe and upper frame articulate mutually in central fulcrum place, and the cap of upper frame connect end connect the mode of establishing for articulating, and the bridge end of underframe and bridge plate articulate mutually.

3. the key structure of adjustable full line journey as claimed in claim 2, it is characterized in that, the portion of establishing that connects on its base plate is a hook part, and the hook part has a upright position and colludes sheet from this top, position horizontal expansion one, and colludes sheet by this and make between the surface of hook part and base plate and be formed with a sliding tray;

And the perforation on its bridge plate is the hook part perforation that correspondence and the hook part that supplies base plate wear;

And it is a raker that the connecing of the upper frame of its bridge formation established end, and this raker is corresponding and collude movably and place between bridge plate surface and the hook part on base plate extends bridge plate in the formed sliding tray, the upright position pushing tow of this hook part and limit the slip of raker.

4. the key structure of adjustable full line journey as claimed in claim 3 is characterized in that, the portion of connecing on the bridge plate can be to hold dorsad in the base plate hook part and is formed with a fixture block, and is formed with Liang Shubu in fixture block both sides correspondence;

And the portion of connecing of its keycap can be that correspondence is formed with two articulated sections on the both sides of an end, and its another portion of connecing can be the chute that is formed with two horizontal directions in the both sides of other end correspondence;

And the bridge end of underframe one end of its bridge formation is configured as a fixed end and is formed with pivot in both sides, and it is located between the fixture block and its pivot portion of bridge plate, and the cap on the other end connects end and is formed with slide block in the chute that is movably located on keycap; And the cap on the upper frame of building bridge connects end and is configured as a pivot end, and the pivot end is articulated in the articulated section of keycap.

5. the key structure of adjustable full line journey as claimed in claim 4, it is characterized in that, can further include a thin film circuit, it is the lamellar body that is provided with the citation circuit, hole formed therethrough has a correspondence to be sheathed on the colluding the hole and be arranged on the base plate of hook part of base plate on the thin film circuit, thin film circuit is provided with circuit junction, and circuit junction is positioned at the locating dorsad of hook part of base plate;

And can further include a key ring flat-plate, it is flexible soft and be arranged on the thin film circuit of tool, on the key ring flat-plate hole formed therethrough have a correspondence be sheathed on base plate the hook part collude the hole, and key ring flat-plate top is formed with one in the circuit junction position of corresponding thin film circuit projection can be because of the stressed elastomer block of compressing, and elastomer block top pushing tow is in keycap;

And on the bridge plate further hole formed therethrough have a correspondence to be sheathed on bullet piece perforation on the elastomer block; And be formed with recess on underframe of building bridge and the upper frame separately corresponding to the elastomer block position.

6. the key structure of adjustable full line journey as claimed in claim 5 is characterized in that, it can be arranged in the lid opening device, and being set to and can moving in axially going up with respect to bridge plate of its base plate.

7. the key structure of adjustable full line journey as claimed in claim 6 is characterized in that, its base plate move axially further pivotal action interlock with the set project planning of lid opening device.

8. the key structure of adjustable full line journey as claimed in claim 7, it is characterized in that, its base plate relies on this project planning in the end axially, and is formed with a projecting surface and a recessed face on the lateral margin of project planning, and makes recessed face contact end face with projecting surface with base plate respectively reclining.

9. as the key structure of any one described adjustable full line journey in the claim 5,6,7,8, it is characterized in that the articulated section of its keycap can be an axis hole, and make and be formed with a breach between axis hole and outside.

10. the key structure of adjustable full line journey as claimed in claim 9 is characterized in that, the articulated section of its bridge plate can be one and colludes piece, colludes the pivot portion that is formed with on the piece towards the concavity of fixture block;

And be formed with hinged arm on its bridge formation upper frame pivot end, and be articulated in the keycap articulated section with the hinged arm correspondence.