CN2768173Y

CN2768173Y - Computer keyboard key structure

Info

Publication number: CN2768173Y
Application number: CN 200520002870
Authority: CN
Inventors: 马泽随; 佘霖
Original assignee: YIKAI ELECTRIC APPLIANCE PRODUCT CO Ltd DONGGUAN
Current assignee: YIKAI ELECTRIC APPLIANCE PRODUCT CO Ltd DONGGUAN
Priority date: 2005-01-06
Filing date: 2005-01-06
Publication date: 2006-03-29
Anticipated expiration: 2015-01-06

Abstract

The utility model relates to a computer keyboard, particularly to a computer keyboard key structure which is composed of a word key, a first bracket, a second bracket, a positioning plate and an elastomer. The computer keyboard key structure is mainly provided a pair of axle holes at the middle point of two sidebars of the first bracket, and the top edge of the two sidebars with a pair of sliding axles extending inward and outward respectively. The second bracket with a pair of rotary axles extending outward from the middle point of the two sidebars, and the top edge of the two sidebar with a pair of sliding axles extending inward, while the bottom edge of the two sidebars with a pair of sliding axles extending outward. The structure connects the first bracket with the second bracket into an integral linkage scissors type bracket structure, which is erected between the word key and the positioning plate. The proposal avoids adopting an iron plate structure, and can reduce keyboard manufacturing costs, and a plastic cement structure is not easy to generate burr, which can solve problem of iron plate clamping keys. The computer keyboard key structure also makes use of the telescopic structure of the scissors structure to lower keyboard height, and achieves the effect of comfortable touch when the user operates the keyboard.

Description

A kind of computer keyboard key structure

Ji Intraoperative field

The utility model relates to a kind of computer keyboard, particularly relates to a kind of computer keyboard key structure.

Bei Jing Ji Intraoperative

The location-plate of two scissors pin of the ultrathin keyboard of conventional scissors type structure all is to adopt the iron plate structure at present, and its material cost and cost of manufacture are all higher, and higher to the required precision of iron plate diel, further cause the cost of manufacture of diel to increase;

The diel of iron plate is easy to wear in process of production, and product is easy to generate burr, can cause problems such as the button feel is bad, card key thus.

Summary of the invention

The location-plate of the scissors pin of this creation adopts the plastic cement structure, and the problem that is easy to generate in the time of so can effectively avoiding above-mentioned use iron plate reduces the cost of product;

The scissors pin and the location-plate of this creation all adopt the plastic cement structure, but the plastic material of its operating characteristic difference, and it has the design flexibility structure in the appropriate location; When assembling, product utilize the elastic characteristic distortion of different plastic materials to cooperate, and easy to assembly.

This utility model De Ji Intraoperative scheme is such, a kind of press-key structure of computer keyboard, its by a keyboard, first support, second support, location-plate, elastomer, and film circuit board form, this first support and second support are integral the scissors-type supporting structure of interlock by the rotating shaft interconnection, and this scissors-type supporting structure system assembles between this keyboard and location-plate; The middle position of keyboard basal surface is provided with a reference column, first support is " ㄈ " framework of type, second support is provided with circular hole in its central region, be provided with one in the elastomer by compression leg, a circular hole is preset at the elastomer top, this elastomer places in the circular hole of reserving on the location-plate, and the circular hole that passes first support and second mid-stent contacts with the keyboard basal surface; This keyboard basal surface is provided with pair of brackets formula rib and a pair of guide runner;

Two side lever point midways of this first support are equipped with a pair of axis hole, and the apical margin of two side levers is extended with a pair of slide-bar respectively to inside and outside;

Two side lever point midways of this second support are outward extended with a countershaft, the two side lever apical margins a pair of slide-bar that extended internally, and the root edge in this two side lever is outward extended with a pair of slide-bar in addition;

Form a pair of guide runner and a pair of shaft in this location-plate plate body;

Corresponding one of first support that connects of a pair of guide runner is to slide-bar on the described location-plate, a pair of shaft correspondence one of second support countershaft that is rotationally connected then on the location-plate, and the apical margin of this shaft is provided with lead angle, and is provided with a fluting in one of this shaft outside; The corresponding rotating shaft of a pair of connecting portion on this first support front rail in one of this keyboard to the stent-type rib; The a pair of slide-bar connection of these second support, two side lever apical margin inboards slides on one of this keyboard in the guide runner;

Further, described keyboard basal surface is provided with several reinforcements;

Further, this film circuit board is folded with a pair of interdigit interlayer in two thin film circuit interlayers up and down;

By such scheme, can avoid adopting the iron plate structure, realize reducing the keyboard manufacturing cost; And the difficult burr that produce of plastic construction, can effectively solve iron plate card key problem; And utilize stretching of scissor construction effectively to reduce keyboard height, the better effect of feel when reaching operation keyboard.

Description of drawings

Fig. 1 is a three-dimensional decomposition texture schematic diagram of the present utility model;

Fig. 2 is the utility model combination schematic diagram;

Fig. 3 is keyboard of the present utility model, first support and the second holder combination schematic diagram;

Fig. 4 is location-plate of the present utility model, first support and the second holder combination schematic diagram;

Fig. 5 is a keyboard perspective view of the present utility model;

Fig. 6 is the first support perspective view of the present utility model;

Fig. 7 is the second support perspective view of the present utility model;

Fig. 8 is a location-plate perspective view of the present utility model;

Fig. 9 is an elastomer perspective view of the present utility model

The explanation of accompanying drawing figure number

The 10------keyboard 20-------first support 30---------second support

40------location-plate 50-------elastomer 60------film circuit board

11------keyboard guide runner 12-------keyboard pair of brackets formula rib 13---keyboard reference column

21-------first support two side lever front ends one of extend internally to slide-bar

The shaft hole of 22------first mid-stent

23------first support two side lever front ends one of stretch out to slide-bar

Cross bar before 24------first support

31-------second support is that two side lever front ends one of extend internally to slide-bar

Cross bar before rotating shaft 33-------second support that 32------second mid-stent stretches out

Middle part circular port on 34------second support

One of two guide vane end stop 42-------location-plates of 41-------location-plate are to guide runner

The guide vane end stop of circular port 44---------location-plate among the 43-------location-plate

The shaft 51--------elastomer reference column of 45------location-plate

Press compression leg in the 52------elastomer

Embodiment

As shown in Figure 1, this computer keyboard key by a keyboard 10, first support 20, second support 30, location-plate 40, elastomer 50, and film circuit board 60 formed; Shown in accompanying drawing 2,3,4,5,6, first support 20 and second support 30 connect into relatively turnable scissors pin mechanism with a rotating shaft in the middle, and are set up between keyboard 10 and the location-plate 40; Elastomer 50 is positioned in the middle part circular port 34 and the middle part circular port 43 on the location-plate 40 on first support 20, second support 30, and is positioned on the film circuit board 60, and the reference column of keyboard 10 basal surfaces embeds in the elastomer 50 upper end location holes; Cross bar 24 snaps in keyboard 10 pair of brackets formula ribs 12 circular ports and is rotatably connected before first support 20, two side lever front ends one of extend internally and to place one of location-plate 40 on the guide runner 42 to slide-bar 21, and two side lever front ends one of stretch out slide-bar 23 is placed under two guide vane end stops 41 of location-plate 40; Cross bar 33 snaps in the shaft 45 of location-plate 40 and is rotatably connected with it before second support 30, its top is spacing by the guide vane end stop 44 of location-plate 40, and two side lever front ends one of extend internally slide-bar 31 is snapped in guide runner 11 via the indentation, there of 10 liang of guide runners of keyboard; The rotating shaft 32 that the shaft hole 22 at first support, 20 middle parts and second support, 30 middle parts stretch out connects into the scissors-type supporting structure; The reference column 13 of keyboard basal surface penetrates elastomer top reference column interior 51.

When pressing keyboard 10, cross bar 24 rotates in to posture rib 12 circular ports at one of keyboard 10 before

first support

20,30 liang of side lever front ends of second support one of extend internally that countershaft 31 rotates and outwards move in keyboard 10 a pair of guide runners 11, and this downforce makes first support 20 and second support 30 along its middle part rotating shaft rotation and move downward; Generation one interlock is rotated and is moved downward in this rotating shaft, two side lever front ends of first support 20 one of are extended internally to rotate on to guide runner 42 and outwards slides at one of location-plate 40 slide-bar 21, two side lever front ends one of stretch out slide-bar 23 are rotated under two guide vane end stops 41 of location-plate 40 and outwards slides, and cross bar 33 rotates in the shaft 45 of location-plate 40 before second support 30; Keyboard 10 basal surfaces embed the reference column 51 downward compression elasticity bodies of elastomer 50 upper end location holes, and elastomer is moved downward, and the compression leg 52 of pressing in elastomer 50 contacts and the conducting membrane circuits; Remove after the downforce, the restoring force of elastomer 50 moves upward keyboard 10, returns back to the state of keyboard 10 when not being pressed.

Claims

1. the press-key structure of a computer keyboard, its by a keyboard, first support, second support, location-plate, elastomer, and film circuit board form, this first support and second support are integral the scissors-type supporting structure of interlock by the rotating shaft interconnection, and this scissors-type supporting structure system assembles between this keyboard and location-plate; The middle position of keyboard basal surface is provided with a reference column, first support is " ㄈ " framework of type, second support is provided with circular hole in its central region, be provided with one in the elastomer by compression leg, a circular hole is preset at the elastomer top, this elastomer places in the circular hole of reserving on the location-plate, and the circular hole that passes first support and second mid-stent contacts with the keyboard basal surface; It is characterized in that:

This keyboard basal surface is provided with pair of brackets formula rib and a pair of guide runner, and a groove is respectively arranged out at described pair of brackets formula rib bottom, and its middle part expansion forms a circular port, and aforementioned a pair of guide runner bottom respectively has a breach;

This first support is made up of a front rail and two side levers, and two side lever point midways are equipped with a pair of axis hole, and this two side levers apical margin is extended with a pair of slide-bar respectively to inside and outside;

This second support is outward extended with a countershaft in two side lever point midways, and this two side levers apical margin a pair of slide-bar that extended internally is outward extended with a pair of slide-bar in this two side levers root edge in addition;

Corresponding one of first support that connects of a pair of guide runner is to slide-bar on the described location-plate, a pair of shaft correspondence second support, one countershaft that is rotationally connected then on the location-plate, and the apical margin of this shaft is provided with lead angle, and is provided with a fluting in one of this shaft outside; The corresponding rotating shaft of a pair of connecting portion on this first support front rail in one of this keyboard to the stent-type rib; The a pair of slide-bar connection of these second support, two side lever apical margin inboards slides on one of this keyboard in the guide runner.

2. a kind of computer keyboard key structure as claimed in claim 1 is characterized in that: described keyboard basal surface is provided with several reinforcements.

3. a kind of computer keyboard key structure as claimed in claim 1 is characterized in that: described film circuit board is folded with a pair of interdigit interlayer in two thin film circuit interlayers up and down.