CN205789639U

CN205789639U - Press-key structure

Info

Publication number: CN205789639U
Application number: CN201620477813.4U
Authority: CN
Inventors: 侯柏军
Original assignee: Chicony Electronics Suzhou Co Ltd
Current assignee: Chicony Electronics Suzhou Co Ltd
Priority date: 2016-05-24
Filing date: 2016-05-24
Publication date: 2016-12-07
Anticipated expiration: 2026-05-24

Abstract

A kind of press-key structure, including base plate, connector and keycap, connector is connected between base plate and keycap, wherein, keycap includes top board and the brim of a hat being connected to around top board and extend towards base plate, and the brim of a hat includes two relative sidewalls, and each sidewall includes the medial surface towards connector respectively, and medial surface is convexly equipped with locating part towards outer connector, the end of these locating parts is respectively adjacent to and is not contacted with connector.

Description

Press-key structure

Technical field

This utility model, about a kind of keyboard components, particularly relates to a kind of press-key structure.

Background technology

Keyboard is the most common input equipment, it is common that collocation electronic installation uses, such as desktop computer, pen Remember this computer, intelligent mobile phone or tablet PC etc..The at present press-key structure of keyboard the most on the market, mainly include base plate, Keycap and the connector being connected between base plate and keycap.

In general, the connected mode between base plate, keycap and connector, mainly it is articulated in by one end of connector Base plate, the other end is then articulated in the bottom surface of keycap, makes keycap can lift relative to base plate.But, this kind of known press-key structure The edge of keycap is when by lateral thrust, such as: user in operation, is pushed keycap by laterally toward interior and produce side To thrust, or, at keyboard during transporting, because of collision or extruding, the keycap of each button is produced the lateral of ecto-entad During thrust, easily cause keycap and separate with connector because of lateral thrust and come off.

Utility model content

Because the problems referred to above, in an embodiment, it is provided that a kind of press-key structure, including base plate, connector and keycap, even Fitting is connected between base plate and keycap, and wherein keycap includes top board and the brim of a hat being connected to around top board and extend towards base plate, The brim of a hat includes two relative sidewalls, and each sidewall includes the medial surface towards connector respectively, and medial surface is convexly equipped with towards connector Locating part, the end of these locating parts is respectively adjacent to and is not contacted with connector.

Above-mentioned press-key structure, this connector includes an inner frame and the outside framework being hubbed at this inner frame stage casing, should Outside framework includes two outer driving arms, and respectively this outer driving arm one end is hubbed at this base plate, and the other end is hubbed at bottom this keycap, and respectively This outer driving arm includes the lateral surface away from this inner frame, those medial surface of this keycap respectively for those lateral surface, and The end of those locating parts is respectively adjacent to and is not contacted with those lateral surface.

Above-mentioned press-key structure, it is characterised in that respectively this locating part includes multiple fin, those fins are spaced in respectively On this medial surface.

Above-mentioned press-key structure, this inner frame of this connector include two in driving arm, a upper limit arm and once connect Arm, in wherein this upper limit arm is connected to those between driving arm, and two ends of this upper limit arm are articulated in the bottom of this keycap, This lower linking arm is connected in those between driving arm, and two ends of this lower linking arm are articulated in this base plate, this cap of this keycap Eaves includes the limited wall being connected to those sidewalls, and this limited wall includes confined planes in the one of this upper limit arm, and this is interior Confined planes is convexly equipped with a position limiting structure towards this upper limit arm, and the end of this position limiting structure is neighbouring and is not contacted with this upper limit arm.

Above-mentioned press-key structure, this upper limit arm is convexly equipped with a projection towards this limited wall, this position limiting structure be provided with corresponding to One groove of this projection, has a gap between this projection and this groove.

Above-mentioned press-key structure, this projection has corresponding shape with this groove.

Above-mentioned press-key structure, this position limiting structure includes multiple interior projection, and those convex block gaps are arranged in this limited wall This interior confined planes on.

In another embodiment, a kind of press-key structure includes base plate, connector and keycap, connector be connected to base plate with Between keycap.Wherein keycap includes top board and is connected to around top board and towards the brim of a hat of base plate extension, the brim of a hat includes a limited wall, Limited wall includes that confined planes within connector, interior confined planes are convexly equipped with position limiting structure, and the end of position limiting structure is neighbouring and not It is contacted with connector.

Above-mentioned press-key structure, this connector includes an inner frame and the outside framework being hubbed at this inner frame stage casing, its In this inner frame include two in driving arm, a upper limit arm and once linking arm, wherein this upper limit arm is connected to pivot in those Connecing between arm, and two ends of this upper limit arm are articulated in the bottom of keycap, this lower linking arm is connected in those between driving arm, And two ends of this lower linking arm are articulated in this base plate, this interior confined planes of this limited wall is towards this upper limit arm, and this spacing knot The end of structure is neighbouring and is not contacted with this upper limit arm.

Thereby, the press-key structure of this utility model embodiment, when its keycap is by lateral thrust, such as: user exists In operating process, pushed keycap by laterally toward interior and produce lateral thrust, or, at keyboard during transporting, because of collision or When extruding and keycap produced the lateral thrust of ecto-entad, it is possible to by locating part and the connector of the inside projection of keycap side Interfere or interfered with connector by the position limiting structure of the inside projection of keycap side, and prevent keycap because of lateral Thrust and separate with connector and come off.

Accompanying drawing explanation

Fig. 1 is the axonometric chart of this utility model press-key structure first embodiment.

Fig. 2 is the exploded perspective view of this utility model press-key structure first embodiment.

Fig. 3 is the sectional view of this utility model press-key structure first embodiment.

Fig. 4 is the stress schematic diagram of Fig. 3.

Fig. 5 is the sectional view of this utility model press-key structure the second embodiment.

Fig. 6 is the sectional view of this utility model press-key structure the 3rd embodiment.

Fig. 7 is the sectional view of this utility model press-key structure the 4th embodiment.

Wherein reference is:

A～D press-key structure

10 base plates

20 connectors

21 inner frames

Driving arm in 22

23 upper limit arms

231 projections

24 times linking arms

25 outside frameworks

26 outer driving arms

261 lateral surface

30 keycaps

31 top boards

32 thes brim of a hat

33 sidewalls

331 medial surface

34 limited walls

Confined planes in 341

35 locating parts

351 fins

36 position limiting structures

361 grooves

Projection in 362A, 362B

W1～W4 spacing

Detailed description of the invention

Fig. 1 is the axonometric chart of this utility model press-key structure first embodiment, and Fig. 2 this utility model press-key structure first is real Execute the exploded perspective view of example.As shown in Figures 1 and 2, in the present embodiment, press-key structure A include base plate 10, connector 20 with And keycap 30, connector 20 is arranged between base plate 10 and keycap 30, in order to connecting bottom board 10 and keycap 30.

As in figure 2 it is shown, here, connector 20 is the outside framework including an inner frame 21 with being hubbed at inner frame 21 stage casing 25, wherein, outside framework 25 includes two outer driving arms 26, and inner frame 21 is between two outer driving arms 26, constitutes outer driving arm 26 have the lateral surface 261 away from inner frame 21.Wherein, one end of each outer driving arm 26 is hubbed at base plate 10, and the other end is pivoted Bottom keycap 30, such as: be by the mutual pivot joint of pivot, carried pivot between outer driving arm 26 and keycap 30 and base plate 10 If or pivot joint all can reach in this way, first this chats bright.As shown in Figure 2 and Figure 3, wherein Fig. 3 is this utility model press-key structure The sectional view of first embodiment, here, the inner frame 21 of connector 20 include two in driving arm 22, upper limit arm 23 and once Linking arm 24, wherein upper limit arm 23 is connected in two driving arm 22 between two ends of keycap 30, and upper limit arm 23 Two ends be articulated in the bottom of keycap 30, lower linking arm 24 be connected to driving arm 22 in two close to base plate 10 two ends it Between, and two ends of lower linking arm 24 are to be articulated in base plate 10, specifically, it addition, in the present embodiment, in the two of inner frame 21 The stage casing of driving arm 22 is by the mutual pivot joint of pivot with the stage casing of two outer driving arms 26 of outside framework 25, makes inner frame 21 with outer Framework 25 swing can launch or fold toward each other, and then makes keycap 30 can carry out upper and lower shift reciprocately (also relative to base plate 10 It is exactly to move up and down along Z-direction).Specifically, keycap 30 when being pressed by user, inner frame 21 and outside framework 25 Relative swing can fold, make the keycap 30 can be towards base plate 10 direction displacement；Otherwise, when keycap 30 is not pressed, can be by rubber The elastic reset of elastomer (figure do not represent), the then relatively swing of inner frame 21 and outside framework 25 launches, make keycap 30 energy court away from The direction displacement of base plate 10.

As shown in Figure 1 to Figure 3, keycap 30 includes top board 31 and the brim of a hat being connected to top board around 31 and extend towards base plate 10 32, here, top board 31 is square plate body, the brim of a hat 32 is to arrange along top board 31 edge to form square box wall-shaped state, wherein, the brim of a hat 32 Including two relative sidewalls 33 and the limited wall 34 that is connected to two sidewalls 33.In the present embodiment, two sidewalls 33 be respectively with Y Direction of principal axis is parallel, and limited wall 34 is then parallel with X-direction.

Compareing shown in Fig. 2 Yu Fig. 3, wherein Fig. 3 is the sectional view of this utility model press-key structure first embodiment again, at this In embodiment, each sidewall 33 of keycap 30 includes the medial surface 331 of the lateral surface 261 towards each outer driving arm 26 respectively, and interior Side 331 driving arm 26 outwardly is convexly equipped with locating part 35, and each locating part 35 can only include a fin, but the present embodiment is not As limit, it is preferred that each locating part 35 is to include multiple fin 351, and these fins 351 are spaced in each medial surface On 331, locating part 35 is that the advantage realized with multiple fins 351 is have gap between each fin 351 and save material, Additionally, in the manufacture process of keycap 30, there is between each fin 351 set-up mode in gap and can make the plastics will not when air-dried Robbing material to keycap 30, therefore keycap 30 is provided with the position of locating part 35 and will not produce irregular problem.Wherein, each locating part 35 End be respectively adjacent to and be not contacted with the lateral surface 261 of outer driving arm 26.In other words, the end of locating part 35 can be than sidewall 33 Lateral surface 261 closer to outer driving arm 26, for example, if sidewall 33 surface to spacing W1 of lateral surface 261 is 2mm, then The end of locating part 35 can be 0.1 to 0.5mm to spacing W2 of lateral surface 261.

Holding, the limited wall 34 of keycap 30 includes the interior confined planes 341 towards upper limit arm 23, and interior confined planes 341 is upward Position limit arm 23 is convexly equipped with position limiting structure 36, here, position limiting structure 36 is made up of the interior projection 362A of two hollow outs, and spacing knot The end of structure 36 is neighbouring and is not contacted with upper limit arm 23.In other words, the end of position limiting structure 36 can than limited wall 34 closer to The upper limit arm 23 of inner frame 21, for example, if spacing W3 of the supreme position limit arm in limited wall 34 surface 23 is 2mm, the most spacing Spacing W4 of the supreme position limit arm of end 23 of structure 36 can be 0.1 to 0.5mm.

Thereby, please compare shown in Fig. 3 Yu Fig. 4, wherein Fig. 4 is the stress schematic diagram of Fig. 3.Please referring initially to shown in Fig. 3, at key When cap 30 is not affected by lateral thrust, (such as user is in operation, is pushed keycap 30 by laterally toward interior and produce and laterally push away Power, or, at keyboard during transporting, because of collision or extruding, keycap 30 is produced the lateral thrust of ecto-entad), respectively limit Position part 35 be keep between the lateral surface 261 of each outer driving arm 26 gap without interfering, position limiting structure 36 and limit The most also keep a gap without interfering between the wall 34 of position, make the keycap 30 can normal pressing operation.Then, figure is referred to Shown in 4, when keycap 30 is by lateral thrust (arrow F1 in such as figure), such as user is in operation, by laterally toward interior Push keycap 30 and produce lateral thrust, or, keyboard transport during, because of collision or extruding and keycap 30 is produced by During lateral thrust outside to inside, keycap 30 can produce displacement slightly or deformation because of stress, makes locating part 35 driving arm 26 outwardly Move and abut to the lateral surface 261 of outer driving arm 26, constitute locating part 35 and produce, with outer driving arm 26, the effect interfered, Prevent from keycap 30 from separating with connector 20 because of lateral thrust to come off.Wherein above-described embodiment is laterally to be pushed away with X-direction As a example by power, in one embodiment, when keycap 30 by the side of limited wall 34 by lateral thrust time (namely Y direction is subject to Lateral thrust), keycap 30 can produce displacement slightly or deformation equally because of stress, makes the position limiting structure 36 of limited wall 34 towards inside casing Frame 21 moves and abuts to the upper limit arm 23 of inner frame 21, and composition position limiting structure 36 interferes with upper limit arm 23 generation Effect, prevents keycap 30 from separating with connector 20 because of lateral thrust and comes off, and this embodiment drawing omits and illustrates.

Referring again to shown in Fig. 3, in an embodiment, upper limit arm 23 is convexly equipped with a projection 231 more towards limited wall 34, spacing Structure 36 is provided with the groove 361 corresponding to projection 231, and has a gap between projection 231 and groove 361 without the most dry Relate to, say, that projection 231 is that position but does not contact the surface of groove 361 in groove 361, makes keycap 30 can normally press behaviour Make.Thereby, please compare shown in Fig. 4, when keycap 30 is by lateral thrust (as shown in arrow F1 in figure), except locating part can be made 35 abut with outer driving arm 26 and produce outside the effect of interfering, and a side surface of projection 231 also can be with groove 361 One side surface abuts and strengthens interference effect further, and strengthening keycap 30 pushes away ability for the anti-side of X-direction.Additionally, In one embodiment, projection 231 can be corresponding shape, as shown in Figure 4, in the present embodiment, projection 231 with groove 361 It is corresponding arc aspect with groove 361, makes keycap 30 be made a side surface and the groove of projection 231 by lateral thrust When one side surface of 361 abuts, projection 231 can have the bigger area that contacts and interfere and promote keycap with groove 361 The anti-side of 30 pushes away ability.In some embodiments, projection 231 and groove 361 be alternatively the most corresponding square, the rectangle, trapezoidal or Irregular shape.

As it is shown in figure 5, be the sectional view of this utility model press-key structure the second embodiment, the present embodiment is with above-mentioned Fig. 1 extremely The difference of the first embodiment of Fig. 4 is, press-key structure B is that only in the limited wall 34 of keycap 30, confined planes 341 is provided with spacing Structure 36 and be convexly equipped with the projection 231 that the groove 361 with position limiting structure 36 coordinates at upper limit arm 23, and in each side of keycap 30 Locating part 35 it is not provided with on wall 33.Thereby, when keycap 30 is by the lateral thrust of X-direction, can be by the side of projection 231 One side surface of surface and groove 361 abuts that interference prevents keycap 30 from departing from, when lateral by Y direction of keycap 30 During thrust, can abut that interference prevents keycap 30 from departing from by position limiting structure 36 end and upper limit arm 23.

As shown in Figure 6, for the sectional view of this utility model press-key structure the 3rd embodiment, the present embodiment is with above-mentioned Fig. 1 extremely The difference of the first embodiment of Fig. 4 is, press-key structure C is only to be provided with locating part 35 on each sidewall of keycap 30 33, and keycap The interior confined planes 341 of the limited wall 34 of 30 is not provided with position limiting structure 36 and upper limit arm 23 is not convexly equipped with projection 231 yet.Thereby, When keycap 30 is by the lateral thrust of X-direction, can abut that interference prevents by locating part 35 and outer driving arm 26 Keycap 30 departs from.

As it is shown in fig. 7, be the sectional view of this utility model press-key structure the 4th embodiment, the present embodiment is with above-mentioned Fig. 1 extremely The difference of the first embodiment of Fig. 4 is, position limiting structure 36 is to include multiple solid interior projection 362B, projection 362B in these It is spaced on the interior confined planes 341 of limited wall 34, say, that position limiting structure 36 can be similar to the structure of locating part 35.

Although technology contents of the present utility model is disclosed above with preferred embodiment, so it is not limited to this reality With novel, any it is familiar with this those skilled in the art, is being made a little change and retouching without departing from spirit of the present utility model, all should contain In category of the present utility model, protection domain the most of the present utility model when regard the defined person of appended claims as Accurate.

Claims

1. a press-key structure, including a base plate, a connection piece and a keycap, this connector is connected to this base plate and this keycap Between, it is characterised in that this keycap includes:

One top board；And

One the brim of a hat, is connected to extend around this top board and towards this base plate, and this brim of a hat includes two relative sidewalls, and respectively this sidewall is respectively Including the medial surface towards this connector, and this medial surface is convexly equipped with a locating part towards this connector, the end of those locating parts End is respectively adjacent to and is not contacted with this connector.

2. press-key structure as claimed in claim 1, it is characterised in that this connector includes an inner frame and is hubbed at this inside casing One outside framework in frame stage casing, this outside framework includes two outer driving arms, and respectively this outer driving arm one end is hubbed at this base plate, other end pivot Being located at bottom this keycap, and respectively this outer driving arm includes the lateral surface away from this inner frame, those medial surface of this keycap divide Not towards those lateral surface, and the end of those locating parts is respectively adjacent to and is not contacted with those lateral surface.

3. press-key structure as claimed in claim 1, it is characterised in that respectively this locating part includes multiple fin, between those fins Every being arranged in respectively on this medial surface.

4. press-key structure as claimed in claim 2, it is characterised in that this inner frame of this connector include two in driving arm, One upper limit arm and once linking arm, in wherein this upper limit arm is connected to those between driving arm, and the two of this upper limit arm End is articulated in the bottom of this keycap, and this lower linking arm is connected in those between driving arm, and two end pivot joints of this lower linking arm In this base plate, this brim of a hat of this keycap includes the limited wall being connected to those sidewalls, and this limited wall includes towards this upper limit Confined planes in the one of position arm, this interior confined planes is convexly equipped with a position limiting structure towards this upper limit arm, and the end of this position limiting structure is neighbouring And it is not contacted with this upper limit arm.

5. press-key structure as claimed in claim 4, it is characterised in that this upper limit arm is convexly equipped with a projection towards this limited wall, This position limiting structure is provided with the groove corresponding to this projection, has a gap between this projection and this groove.

6. press-key structure as claimed in claim 5, it is characterised in that this projection has corresponding shape with this groove.

7. press-key structure as claimed in claim 4, it is characterised in that this position limiting structure includes multiple interior projection, those convexes Block gap is arranged on this interior confined planes of this limited wall.

8. a press-key structure, including a base plate, a connection piece and a keycap, this connector is connected to this base plate and this keycap Between, it is characterised in that this keycap includes:

One top board；And

One the brim of a hat, is connected to extend around this top board and towards this base plate, and this brim of a hat includes a limited wall, this limited wall include towards Confined planes in the one of this connector, this interior confined planes is convexly equipped with a position limiting structure, and the end of this position limiting structure is neighbouring and does not contacts In this connector.

9. press-key structure as claimed in claim 8, it is characterised in that this connector includes an inner frame and is hubbed at this inside casing One outside framework in frame stage casing, driving arm in wherein this inner frame includes two, a upper limit arm and once linking arm, wherein this upper limit Position arm is connected in those between driving arm, and two ends of this upper limit arm are articulated in the bottom of keycap, and this lower linking arm connects In those between driving arm, and two ends of this lower linking arm are articulated in this base plate, and this interior confined planes of this limited wall is towards this Upper limit arm, and the end of this position limiting structure is neighbouring and is not contacted with this upper limit arm.

10. press-key structure as claimed in claim 9, it is characterised in that this upper limit arm is convexly equipped with a projection towards this limited wall, This position limiting structure is provided with the groove corresponding to this projection, has a gap between this projection and this groove.

11. press-key structures as claimed in claim 10, it is characterised in that this projection has corresponding shape with this groove.

12. press-key structures as claimed in claim 8, it is characterised in that this position limiting structure includes multiple interior projection, those convexes Block gap is arranged on this interior confined planes of this limited wall.