CN2366889Y

CN2366889Y - Super thin type keys on keyboard

Info

Publication number: CN2366889Y
Application number: CN 99208029
Authority: CN
Inventors: 蔡火炉
Original assignee: Jingyuan Computer Co ltd
Priority date: 1999-04-19
Filing date: 1999-04-19
Publication date: 2000-03-01
Anticipated expiration: 2009-04-19

Abstract

The utility model relates to ultra thin type keys of a keyboard, which have the advantages of easy assembly and positioning, favorable assembly and service performance and lowered integral height of the keys. The utility model comprises key caps, positioning boards, a first frame, a second frame, elastic bodies, a thin film circuit board and a base board, wherein shaft journal parts, guiding and sliding chutes, pressing parts and a plurality of positioning baffle plates are formed on the bottom surfaces of the key caps, and the guiding and sliding chutes and the shaft journal parts are hollowed and formed on the positioning plates; the first frame and the second frame form a scissors type supporting structure and are pivoted and assembled between the key caps and the positioning plates, the elastic bodies are arranged at the pressing parts of the bottom surfaces of the key caps and the thin film circuit board is positioned between the elastic bodies and the base board.

Description

Ultrathin keyboard

The utility model belongs to the input equipment parts, and particularly a kind of ultrathin keyboard is by dish.

Because laptop has the function of being convenient to carry and handle a large amount of document data, makes it extensively be subjected to market dealer and user's favor.For reducing its volume and weight, and then reach ultra-thin light and handy practical effect, at present the laptop keyboard adopt usually as shown in Figure 1 thin button, it mainly ties up to, and assembling links scissor or bridge supporting construction between keycap and the base plate.This have scissor or the basic application technology of bridge supporting construction at United States Patent (USP) the 5th, 278, No. 372, the 5th, 399, open in No. 822, Japanese patent laid-open 6-36647 number, the patent case such as practical flat 4-51388 number.Though these known patent cases all adopt bridge supporting construction as shown in Figure 1, yet the part of the pivot joint between keycap, supporting construction and the base plate of known patent case still adopts different project organizations, the button that causes these known patent cases is in the difference that then obviously has in the assembling or on using on the function, and all still there is the deficiency of assembling location difficulty in it between keycap and supporting construction, damage when causing assembling easily and increase product disqualification rate, and it does not in height reach the thinnest effect yet.

The purpose of this utility model provide a kind of assemble the location easily, assembling and usability is good, reduce the ultrathin keyboard of button whole height.

The utility model comprises keycap, location-plate, first framework, second framework, elastic body, film circuit board and base plate; Keycap is the keyboard press element that is square, and forms a pair of pivot portion, outside guide runner, press section and several pieces positioning baffles of pair of openings on its bottom surface; Hollow out forms a pair of guide runner and a pair of pivot portion on the location-plate; First framework and second framework are integral rotating scissor supporting construction for constituting the intersecting axle pivot joint, scissor supporting construction is to articulate to be assembled between keycap and the location-plate, elastic body places place, press section, keycap bottom surface, and film circuit board is between elastic body and base plate.

Wherein:

Take shape in the keycap bottom surface and all have lead angle in axle pivot portion, guide runner and positioning baffle root edge; Hollow out axle pivot portion apical margin has lead angle on the location-plate.

The axle pivot portion one side outside offers the elasticity grooving on the location-plate, so that the grab of axle pivot portion one side is for being flexible grab.

The location-plate middle position is provided with round dimple, and the press section of keycap bottom surface is for pressing compression leg; The elastic body apical margin is provided with the pilot hole of and chimeric grafting corresponding by compression leg with the keycap bottom surface, and the corresponding and build-in of its periphery and location-plate middle position circle dimple is in the circle dimple.

Film circuit board is the three-layer type film circuit board, and it is by two circuit layers and is folded in two contraposition walls between the circuit layer and constitutes.

Because the utility model comprises keycap, location-plate, first framework, second framework, elastic body, film circuit board and base plate; Form a pair of pivot portion, outside guide runner, press section and several pieces positioning baffles of pair of openings on the keycap bottom surface; Hollow out forms a pair of guide runner and a pair of pivot portion on the location-plate; First framework and second framework are integral rotating scissor supporting construction for constituting the intersecting axle pivot joint, scissor supporting construction is to articulate to be assembled between keycap and the location-plate, elastic body places place, press section, keycap bottom surface, and film circuit board is between elastic body and base plate.Guide runner and axle pivot portion by hollow out moulding on the location-plate can reduce whole height of the present utility model, effectively so that it can be assembled into ultra-thin keyboard; By be located at its several pieces positioning baffles of keycap bottom surface can be spacing and first, second framework of correcting intersect back rotation action, and then improve the effective utilization of button; Not only assembling location easily, assembling and usability be good, and can reduce the button whole height, thereby reach the purpose of this utility model.

Fig. 1, be known computor-keyboard pushbotton decomposition texture schematic isometric.

Fig. 2, be the utility model decomposition texture schematic isometric.

Fig. 3, for the utility model structural representation cut-open view (A-A cut-open view, switch are off state among Fig. 2).

Fig. 4, for the utility model structural representation cut-open view (A-A cut-open view, switch are opening among Fig. 2).

Fig. 5, for the utility model structural representation cut-open view (B-B cut-open view, switch are off state among Fig. 2).

Fig. 6, for the utility model structural representation cut-open view (B-B cut-open view, switch are opening among Fig. 2).

Fig. 7, be among Fig. 2 C to view.

Fig. 8, be among Fig. 2 D to view.

Fig. 9, be among Fig. 2 E to view.

Below in conjunction with accompanying drawing the utility model is further elaborated.

As shown in Figure 2, the utility model comprises keycap 10, location-plate 20, first framework 30, second framework 40, elastic body 50, film circuit board 60 and base plate 70.As Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, first framework 30 and second framework 40 are integral rotating scissor supporting construction for constituting the intersecting axle pivot joint, and scissor supporting construction is to articulate to be assembled between keycap 10 and the location-plate 20.So that keycap 10 can move up and down at vertical direction relative positioning plate 20.

As Fig. 2, shown in Figure 7, the keyboard press element of keycap 10 for being square forms a pair of pivot portion 11, outside guide runner 12, press section 13 and several pieces positioning baffles 15 of pair of openings on its bottom surface.Press section 13 is for pressing compression leg.All have lead angle 111,121 and 151 in axle pivot portion 11, guide runner 12 and positioning baffle 15 root edge appropriate locations, use to make articulating the apical margin pivot end that is integral rotating scissor supporting construction by first framework 30 and second framework 40 and be easy to assembling and be positioned keycap 10 bottom surfaces.

The plate body of location-plate 20 round dimple 23 for middle position is provided with, hollow out forms a pair of guide runner 22 and a pair of pivot portion 21 on it.Axle pivot portion 21 apical margin appropriate locations have lead angle 211, and the one side outside offers elasticity grooving 213, makes a grab 212 of pivot portion 21 1 sides can have the elasticity clamping function, with height and the raising packaging efficiency that reduces location-plate 20.

As Fig. 2, Fig. 3, Fig. 4, shown in Figure 8, first framework 30 is for being the JiongZi Xing framed structure, it is to be made of front rail 31 and two side levers 32 that are connected front rail 31 two ends, in front rail 31 be provided with a pair of corresponding to keycap 10 bottom surfaces on the articulated section 311 of axle pivot portion 11, be provided with a pair of axis hole 35 in two side levers, 32 middle positions in addition, two side levers, the 32 free ends outside extends a pair of slide-bar 321 outwardly, and a pair of slide-bar 321 corresponding also slide hinges are in location-plate 20 guide runners 22.

As Fig. 2, Fig. 3, Fig. 4, shown in Figure 9, second framework 40 is for having the framed structure of circular hole 43, its two side levers, 42 middle positions extend pair of pivot 45 outwardly, pair of pivot 45 is corresponding and be articulated in a pair of axis hole of 30 liang of side lever 32 middle positions of first framework 35, by axis hole 35 that is articulated and pivot 45, be integral so that first framework 30 and second framework 40 articulate, and be center of rotation, constitute revolution scissor supporting construction freely with pair of pivot 45.Extend a pair of slide-bar 421 inwardly relatively in two side levers, 42 1 end inboards, a pair of slide-bar 421 corresponding also slide hinges are in a pair of guide runner 12 in keycap 10 bottom surfaces.Two side levers, 42 other ends outside extends a countershaft 422 outwardly, one countershaft, 422 corresponding also rotations in a pair of pivot portion 21 that is articulated in location-plate 20, by the elasticity grooving 213 of 20 a pair of pivot portion 21 1 sides of location-plate, can be easily with in the chimeric a pair of axle pivot portion 21 that is articulated in location-plate 20 of a countershaft 422 of second framework 40.

As Fig. 2, Fig. 5, shown in Figure 6, elastic body 50 extends depression bar 52 down for apical margin is provided with pilot hole 51 hollow elasticity bodies in it.Pilot hole 51 is corresponding for the press section 13 of pressing compression leg with keycap 10 bottom surfaces, elastic body 50 is with pilot hole on it 51 and the press section 13 chimeric grafting of keycap 10 bottom surfaces for pressing compression leg, and with its periphery build-in in the round dimple 23 of location-plate 20 middle positions, the phenomenon that causes when avoiding pressing keys elastic body 50 improper skews to slide.

Film circuit board 60 is the three-layer type film circuit board, and it is by two circuit layers 61 and is folded in two contraposition walls 62 between the circuit layer 61 and constitutes.Film circuit board 60 is between elastic body 50 and base plate 70.When pushing keycap 10, the depression bar 52 that extends down in the elastic body 50 touches conducting membrane circuit board 60 downwards, and by the elastic force of elastic body 50 keycap 10 is resetted.

Base plate 70 is for the plate body of connection and support positioning plates 20 and film circuit board 60, so that be assembled into complete keyboard.

Feature of the present utility model and assembling use actual effect to be described as follows:

1, axle pivot portion 11, guide runner 12 and the positioning baffle 15 on the utility model keycap 10 bottom surfaces all has lead angle 111,121 and 151, so can make first framework 30 and second framework, 40 pivot ends corresponding can successfully chimericly be assembled in keycap 10 bottom surfaces, to improve packaging efficiency with it;

2, the guide runner 22 of location-plate 20 of the present utility model and axle pivot portion 21 are the hollow out moulding, so can reduce whole height of the present utility model effectively, so that it can be assembled into ultra-thin keyboard, and axle pivot portion 21 has lead angle 211 and elasticity grooving 213 on the location-plate 20, can improve the disqualification rate of packaging efficiency and reduction product;

3, first framework, 30 cordings of the present utility model have an open end, and an axle pivot is assembled on second framework 40 to strut also by elasticity so it is easier to;

4, several pieces positioning baffles 15 of the utility model keycap 10 bottom surfaces can be spacing and first, second framework 30,40 of correcting intersect back rotation action, and then improve the effective utilization of button;

5, elastic body 50 of the present utility model is to fasten the central authorities' circle dimple 23 that is positioned on the location-plate 20 with its periphery, and, cause the phenomenon of elastic body 50 improper skews slips when avoiding pressing keys with its apical margin pilot hole 51 and of the press section 13 chimeric grafting of keycap 10 bottom surfaces for press compression leg.Improve the correctness of the utility model Continuity signal.

In sum, the utility model is the improvement of package assembly between relevant keycap, supporting construction and location-plate, and then reduces the whole height of button effectively, and reaches the effect that is assembled into ultra-thin keyboard.

Claims

1, a kind of ultrathin keyboard, it comprises keycap, location-plate, first framework, second framework, elastic body, film circuit board and base plate; Keycap is the keyboard press element that is square, and forms a pair of pivot portion, outside guide runner, the press section of pair of openings on its bottom surface; Location-plate is provided with a pair of guide runner and a pair of pivot portion; First framework and second framework are integral rotating scissor supporting construction for constituting the intersecting axle pivot joint, scissor supporting construction is to articulate to be assembled between keycap and the location-plate, elastic body places place, press section, keycap bottom surface, film circuit board is characterized in that described keycap bottom surface also forms several pieces positioning baffles between elastic body and base plate; Guide runner on the location-plate and axle pivot portion are the chute and the axle pivot portion of hollow out moulding.

2, ultrathin keyboard according to claim 1 is characterized in that the described keycap bottom surface that takes shape in all has lead angle in axle pivot portion, guide runner and positioning baffle root edge; Hollow out axle pivot portion apical margin has lead angle on the location-plate.

3, ultrathin keyboard according to claim 1 and 2 is characterized in that the axle pivot portion one side outside offers the elasticity grooving on the described location-plate, so that the grab of axle pivot portion one side is for being flexible grab.

4, ultrathin keyboard according to claim 1 and 2 is characterized in that described location-plate middle position is provided with round dimple, and the press section of keycap bottom surface is for pressing compression leg; The elastic body apical margin is provided with the pilot hole of and chimeric grafting corresponding by compression leg with the keycap bottom surface, and the corresponding and build-in of its periphery and location-plate middle position circle dimple is in the circle dimple.

5, ultrathin keyboard according to claim 1 and 2 is characterized in that described film circuit board is the three-layer type film circuit board, and it is by two circuit layers and is folded in two contraposition walls between the circuit layer and constitutes.