CN201063301Y

CN201063301Y - Improved keyboard key structure

Info

Publication number: CN201063301Y
Application number: CNU2007200012682U
Authority: CN
Inventors: 梁徽湖
Original assignee: Individual
Current assignee: XIUYU ENTERPRISE CO Ltd
Priority date: 2007-01-23
Filing date: 2007-01-23
Publication date: 2008-05-21
Anticipated expiration: 2017-01-23

Abstract

The utility model provides an improved keyboard key structure. The utility model has an arrangement that: the bottom of a key cap is provided with a guide column, wherein, the appropriate position on the circumferential surface of the guide column is longitudinally provided with a plurality of guide grooves or guide tracks, the guide column is longitudinally provided with an elastic plate, the bottom of the elastic plate is provided with a hook, an end surface of the hook is respectively provided with inclines in different directions, a stop rib is arranged at the back of the hook of the elastic plate; a base, wherein, the positions on the inner edge of the base corresponding to the guide grooves or the guide tracks of the guide column are respectively provided with a guide rack and a guide groove, the position corresponding to the hook is provided with a snap groove, which ensure that when the guide column of the key cap is embedded into the base, the guide grooves or the guide tracks on the guide column can be rightly embedded into the guide tracks or the guide grooves of the base, the hook of the elastic plate can be rightly snapped in the snap groove of the base; a silicone rubber elastomer, wherein, the silicone rubber elastomer is positioned at the guide column of the base and is used to reset when the key is pressed down; so when the key bounces upward or is drawn, a noise reducing inclined wall and an upper inclined surface of the hook are ejected by the snap groove and then is blocked by the stop rib at the back; on one hand, the upper inclined surface reduces the noise produced by the collision during the bounce; on the other hand, the over-distortion of the elastic plate can be prevented to avoid key drop of the key cap.

Description

A kind of improved keyboard press button structure

Technical field

The utility model relates to a kind of improved keyboard press button structure, and it can make keycap avoid by key that drawing produces and prevent to be produced by rebounding collision noise.

Background technology

The keycap of general keyboard, its guide pillar all is provided with trip, and this trip colludes face and is all horizontally, is fallen key to prevent it by drawing.Therefore,, then on guide pillar, be provided with shell fragment, and this shell fragment is provided with trip, uses this shell fragment and cushion its bump power, to reduce noise for avoiding this strike note.But there is following point in existing keyboard structure:

1. because the face that colludes of its trip is horizontal, and when its keycap was rebounded by elastomer, this trip can clash into the draw-in groove of this base inner edge, its noise is quite remarkable.

2. if cushion with this shell fragment, then outward again during the drawing keycap, make the shell fragment excessive deformation easily and break away from trip, cause keycap to be deviate from.

Summary of the invention

The purpose of this utility model is exactly the defective that overcomes above-mentioned prior art, and a kind of improved keyboard press button structure is provided, and it can make keycap avoid by key that drawing produces and prevent to be produced by rebounding collision noise.

The purpose of this utility model realizes by following technical proposals, improved keyboard press button structure provided by the utility model is to be provided with a guide pillar at place, keycap bottom surface, this guide pillar side face appropriate location vertically is provided with several guide grooves or guide rail, and vertically offer a shell fragment in this guide pillar, a trip is established in its bottom, and being provided with the inclined-plane of different direction respectively at this trip end face, the trip rear side of its shell fragment is provided with a retaining rib; One base, its inner rim corresponds to the guide groove or the guide rail position of this guide pillar and establishes a guide rail or guide groove respectively, and establish a draw-in groove corresponding to this trip position again, when making the guide pillar of keycap embed in the base, guide groove on this guide pillar or guide rail just can embed the guide rail or the guide groove of base, and then the trip of this shell fragment is just in the draw-in groove that is equipped in this base; One silica gel elastomer places base guide pillar place, and when button was depressed, the utilization elastomer resetted; Therefore, button up rebounds or during by drawing, the ramp of this trip is stopped by the retaining rib at rear by this draw-in groove pushing tow, reduces when rebounding by this ramp on the one hand and collides the noise of giving birth to, and can prevent the shell fragment excessive deformation on the other hand and makes keycap produce key.

In improved keyboard press button structure provided by the utility model, its keycap can be established a guide pillar at least according to its specification size, and several sleeves can be set prevent that keycap from rotating.

In improved keyboard press button structure provided by the utility model, its guide pillar is provided with suitable corner cut on the set retaining rib of the trip back position of shell fragment, when providing this guide pillar to rise, what this shell fragment was subjected to this trip of draw-in groove pushing tow subtracts the buffering noise reduction of sound skew wall and inclined-plane, and be resisted against this corner cut and limit its maximum deformation quantity, and prevent that by this trip keycap is by drawing.

In improved keyboard press button structure provided by the utility model, can be reduced during fabrication according to required keycap height, make between this keycap and the base and highly reduce.

Below just relevant technology contents of the present utility model and detailed description, existing conjunction with figs. and given embodiment describe as follows.

Description of drawings

Fig. 1 is the utility model singly-bound three-dimensional exploded view;

Fig. 1-A is the utility model keycap stereogram;

Fig. 2 is the utility model combination section;

Fig. 3 is the utility model keycap pressing action figure;

Fig. 4 rebounds for the utility model keycap or by the drawing action diagram;

Fig. 5 is the enforcement illustration of the utility model plural number guide pillar on singly-bound;

Fig. 6 cooperates the enforcement illustration of sleeve on singly-bound for the utility model guide pillar.

Description of reference numerals: keycap 1; Guide pillar 11; Guide groove 111; Guide rail 112; Shell fragment 12; Trip 121; Ramp 1211; Lower inclined plane 1212; Subtract sound skew wall 1213; Retaining rib 13; Corner cut 131; Base 2; Guide rail 21; Guide groove 22; Draw-in groove 23; Silica gel elastomer 3; Sleeve 4.

Embodiment

See also Fig. 1 and Fig. 1-A and shown in Figure 2, in improved keyboard press button structure provided by the utility model, the place is provided with a guide pillar 11 in keycap 1 bottom surface, this guide pillar 11 can be square column type or cylindrical, these guide pillar 11 side face appropriate locations vertically are provided with several guide grooves 111 or guide rail 112, and vertically offer a shell fragment 12 in these guide pillar 11 appropriate locations, a trip 121 is established in its bottom, and being provided with the ramp 1211 and the lower inclined plane 1212 of different direction respectively at these trip 121 end faces, trip 121 rear sides of its shell fragment 12 are provided with a retaining rib 13; One base 2, its inner rim corresponds to the guide groove 111 or guide rail 112 positions of this guide pillar 11 and establishes a guide rail 21 or guide groove 22 respectively, and establish a draw-in groove 23 corresponding to these trip 121 positions again, when making the guide pillar 11 of keycap embed in the bases 2, guide groove 1 11 on this guide pillar 11 or guide rail 112 just can embed the guide rail 21 or the guide groove 22 of base 2, and then the trip 121 of this shell fragment 12 just is equipped in the draw-in groove 23 of this base 2; One silica gel elastomer 3 places the below of base 2, and touched by the guide pillar 11 of keycap 1, when keycap 1 is depressed, and utilization elastomer 3 reset (as Fig. 3 and 4).

See also shown in Figure 2ly, when this keycap 1 embedded this base 2, lower inclined plane 1212 pushing tow draw-in grooves 23 ora terminalis of the trip 121 of shell fragment 12 bottoms by this guide pillar 11, and make shell fragment 12 distortion were used this lower inclined plane 1212 again and are forced into location in this draw-in groove 23; See also shown in Figure 3, when after keycap 1 is pressed down, up rebounding (as Fig. 4), this trip 121 subtract sound skew wall 1213 and ramp 1211 is stopped by the retaining rib 13 at rear in regular turn by these draw-in groove 23 pushing tows, on the one hand subtracting sound skew wall 1213 by this will clash into the sound that may send and give noise reduction, and cushion when rebounding by ramp 1211 and reduce the collision noise of giving birth to, keep out this shell fragment 12 by retaining rib 13 on the other hand and prevent that excessive deformation from making keycap produce key.

Aforementioned keycap 1 can be established a guide pillar 11 (as Fig. 5) at least according to its specification size, and several sleeves 4 can be set prevent spinfunction (as Fig. 6) (give unnecessary details non-novel feature Therefore, omited) herein.Aforementioned guide pillar 11 can be provided with more than one, and also has and as hereinbefore shell fragment 12, trip 121 and corresponding base 2 thereof, draw-in groove 23 more than.

See also shown in Fig. 2,3 and 4, this guide pillar 11 is provided with suitable corner cut 131 in the set retaining rib 13 of trip 121 back positions of shell fragment 12, when providing this guide pillar 11 to rise, what this shell fragment 12 was subjected to this trip 121 of draw-in groove 23 pushing tows subtracts 1213 noise reductions of sound skew wall, then again by ramp 1211 bufferings, and also have sound deadening, and be resisted against this corner cut 131 and limit its maximum deformation quantity, and prevent that by this trip 121 keycap 1 is by drawing.

See also shown in Fig. 3 and 4, the draw-in groove 23 on this base 2 can reduce its height during fabrication, can make the guide pillar 11 of keycap 1 and shell fragment 12 thereof shorten length relatively, and cooperate the height of elastomer 3, when penetrating base 2 with auxiliary keycap 1, is easy to assembling.

Yet above-mentioned explanation only is embodiment of the present utility model, and is non-for limiting embodiment of the present utility model; All personages who is familiar with this skill, it complies with feature category of the present utility model, and other equivalence of having done changes or modifies, and selects or change of shape etc. as size, material, all should be encompassed in following the utility model institute claim.

Claims

1. improved keyboard press button structure is characterized in that it comprises:

One keycap, its place, bottom surface is provided with a guide pillar, this guide pillar side face appropriate location vertically is provided with several guide grooves or guide rail, and vertically offer a shell fragment in this guide pillar appropriate location, a trip is established in its bottom, and being provided with the inclined-plane of different direction respectively at this trip end face, the trip rear side of its shell fragment is provided with a retaining rib;

One base, its inner rim corresponds to the guide groove or the guide rail position of this guide pillar and establishes a guide rail or guide groove respectively, and establish a draw-in groove corresponding to this trip position again, when making the guide pillar of keycap embed in the base, guide groove on this guide pillar or guide rail just can embed the guide rail or the guide groove of base, and then the trip of this shell fragment just is equipped in the draw-in groove of this base;

One silica gel elastomer places the below of base, and touched by the guide pillar of keycap, makes it when keycap is depressed, and the utilization elastomer rebounds and resets;

Keycap up rebounds or by drawing, the inclined-plane of this trip is stopped by the retaining rib at rear by this draw-in groove pushing tow, keeps out this shell fragment by the retaining rib.

2. improved keyboard press button structure as claimed in claim 1 is characterized in that this keycap can establish a guide pillar at least according to its specification size, all has shell fragment, trip and guide rail or guide groove on each guide pillar.

3. improved keyboard press button structure as claimed in claim 1 is characterized in that this guide pillar is provided with suitable corner cut on the set retaining rib of the trip back position of shell fragment.

4. improved keyboard press button structure as claimed in claim 1 is characterized in that the draw-in groove on this base is the draw-in groove that can reduce height, and cooperates elastomeric height, can shorten the guide pillar and the shell fragment length of keycap relatively.

5. improved keyboard press button structure as claimed in claim 1 is characterized in that this keycap is hooked in the guide pillar side face several shell fragments vertically are set, and in this shell fragment bottom trip is set respectively, and the draw-in groove confession restriction location of equal amount is set on this base.

6. improved keyboard press button structure as claimed in claim 1 is characterized in that this guide pillar can be made into cylindrical or square column type, and makes cylindrical or square column type with base is corresponding.

7. improved keyboard press button structure as claimed in claim 1 is characterized in that this keycap trip ramp and shell fragment intersection establish one and subtract the sound skew wall.