CN201294179Y

CN201294179Y - Keyboard key capable of prolonging keyboard service life and rebounding rapidly

Info

Publication number: CN201294179Y
Application number: CNU2008202000608U
Authority: CN
Inventors: 何育臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-05
Filing date: 2008-09-05
Publication date: 2009-08-19
Anticipated expiration: 2018-09-05

Abstract

The utility model relates to the technical field of keyboards, in particular to a keyboard key-press which can prolong the service life of the keyboard and fast rebound, comprising a key cap, a spring, an upper cover, a silicon film, a film circuit board and a lower cover, wherein the key cap is provided with a key cap guide post and a key cap top post, the upper cover is provided with an upper key hole for inserting and sliding the key cap guide post, the key cap is installed in the key hole of the upper cover, the upper cover is covered on the lower cover, the guide post of the key cap is provided with the spring, and then is arranged between the upper cover and the silicon film. The film circuit is arranged between the silicon film and the lower cover, the silicon film with a projecting portion is arranged above the film circuit, the switch contact of the film circuit is opposite to the position of the projecting portion of the silicon film. The keyboard key-press has fast pushing speed and rebound speed, low material cost, simple production technology, easy production and long service life.

Description

A kind ofly can prolong the keyboard useful life and the keyboard of resilience rapidly

Technical field

The utility model relates to the keyboard technique field, particularly a kind ofly can prolong the keyboard useful life and the keyboard of resilience rapidly.

Background technology

Along with The development in society and economy, computer has obtained application more and more widely.And along with the use of people to the more and more polynary change of computer, people to computer particularly during operating computer the requirement of the most frequently used computor-keyboard also more and more higher.Its used press-key structure of common in the market computor-keyboard has: as shown in Figure 1, this structure is original mechanical type keyboard press button structure, its operation principle is when keyboard cover 11 remains static, copper sheet 13 is positioned at the peak of slide block skew wall 12, copper sheet contact 131 is in off-state, keyboard pcb circuit board 16 circuits disconnect, and button is in no function state, and spring 17 also is in nature; When press...withing one's finger down keycap 11, slide block down slides, and copper sheet 13 is positioned at the minimum point of slide block skew wall 12, copper sheet contact 131 is in contact condition, keyboard pcb circuit board 16 circuits are closed to be connected, and button is in functional status, and spring 17 is in pressurized bounce-back state simultaneously; When finger unclamped the keycap of pressing 11, keycap 11 upwards slided rapidly under the pressurized bounce-back of spring 17, gets back to keycap 11 inactive states, and button is in no function state.The shortcoming of this structure is to generate complex process, the manufacturing cost height, and product is short useful life, because this structural life-time depends on the elasticity life-span of copper sheet 13, and the elasticity life-span of copper sheet 13 can only reach 5,000,000 times usually, so cause entire product short useful life, market is difficult to accept.

Fig. 2 is an another kind of keyboard press button structure the most frequently used above the existing market, its operation principle is to remain static when keyboard cover 21, between the silica gel key contacts 231 of silica gel button 23 and the film circuit board switch contact 241 of film circuit board 24 certain spacing is arranged, both are in released state, film circuit board switch contact 241 off-states, keyboard film line circuit plate 24 circuits disconnect, and button is in no function state, and silica gel button 23 is in nature simultaneously; When finger is pressed keycap 21, keycap guide pillar 211 down slides along the loam cake keyhole 221 of keyboard loam cake 22, it is downward that keycap guide pillar 211 lower curtates are suppressed silica gel button 23 modification, silica gel key contacts 231 stressed extrusion film board switch contacts 241, film circuit board switch contact 241 is in contact condition, keyboard film circuit board 24 closed connections, button is in functional status, and silica gel button 23 is in compressive deformation bounce-back state simultaneously; When finger unclamped the keycap of pressing 21, whole keycap 21 structures were slowly upwards slided under the 23 distortion bounce-backs of silica gel button, get back to keycap 21 inactive states, and button is in no function state.The shortcoming of this structure is that button is pressed speed and rebound velocity is slow, and the recreation user uses the effect that does not satisfy recreation, can't be suitable for present computer game market.

The utility model content

The purpose of this utility model is, the weak point that exists at prior art, and provide a kind of button pressed speed and rebound velocity fast, and Material Cost is low, and it is simple to generate technology, makes to produce easily and can prolong the keyboard keyboard in useful life.

For achieving the above object, the utility model adopts following technical scheme: a kind ofly can prolong the keyboard useful life and the keyboard of resilience rapidly, it includes keycap, spring, loam cake, silica gel sheet, film circuit board and lower cover, described keycap is provided with keycap guide pillar and keycap fore-set, be covered with donating bond cap guide pillar on described and insert the loam cake keyhole that slides, keycap is loaded within the keyhole of loam cake, loam cake is placed on the lower cover, in the guide pillar of keycap, be with spring, be loaded between loam cake and the silica gel sheet; Described film circuit board is loaded between silica gel sheet and the lower cover, then is provided with the silica gel sheet with lug boss on film circuit board, and described film circuit board switch contact is relative with the lug boss position of silica gel sheet.

The beneficial effects of the utility model are: a kind ofly can prolong the keyboard useful life and the keyboard of resilience rapidly, it includes keycap, spring, loam cake, silica gel sheet, film circuit board and lower cover, described keycap is provided with keycap guide pillar and keycap fore-set, be covered with donating bond cap guide pillar on described and insert the loam cake keyhole that slides, keycap is loaded within the keyhole of loam cake, loam cake is placed on the lower cover, is with spring in the guide pillar of keycap, is loaded between loam cake and the silica gel sheet; Described film circuit board is loaded between silica gel sheet and the lower cover, on film circuit board, then be provided with silica gel sheet with lug boss, described film circuit board switch contact is relative with the lug boss position of silica gel sheet, this a kind of keyboard, button pressed speed and rebound velocity are fast, Material Cost is low, and it is simple to generate technology, manufactures easily and long service life.

Description of drawings

Fig. 1 is a prior mechanical keyboard press button structure schematic diagram;

Fig. 2 is existing another kind of keyboard press button structure schematic diagram;

Fig. 3 is the utility model keyboard press button structure schematic diagram;

Fig. 4 is the utility model keyboard cutaway view;

Fig. 5 is the utility model keyboard press button structure decomposing schematic representation

Embodiment

Below in conjunction with accompanying drawing the utility model is further described:

Shown in accompanying drawing 3 to 5, a kind ofly can prolong the keyboard useful life and the keyboard of resilience rapidly, it includes keycap 1, spring 2, loam cake 3, silica gel sheet 4, film circuit board 4 and lower cover 6, described keycap 1 is provided with keycap guide pillar 11 and keycap fore-set 12, described loam cake 3 is provided with donating bond cap guide pillar 11 and inserts the loam cake keyhole 31 that slides, keycap 1 is loaded in the keyhole 31 of loam cake 3, loam cake 3 is placed on the lower cover 6, in the keycap guide pillar 11 of keycap 1, be with spring 2, be loaded between loam cake 3 and the silica gel sheet 4; Described film circuit board 5 is loaded between silica gel sheet 4 and the lower cover 6, then is provided with the silica gel sheet 4 with lug boss 41 on film circuit board 5, and described film circuit board switch contact 51 is relative with lug boss 41 positions of silica gel sheet 4.

When keycap 1 remains static, between the lug boss 41 of silica gel sheet 4 and the film circuit board switch contact 51 of film circuit board 5 certain spacing is arranged, both are in released state, film circuit board switch contact 51 is in off-state, keyboard film wiring board 5 circuits disconnect, button is in no function state, and spring 2 is in nature simultaneously.

When finger is pressed keycap 1, keycap guide pillar 11 will down slide along the loam cake keyhole 31 of loam cake 3, keycap fore-set 12 lower curtates then can be suppressed the lug boss 41 of silica gel sheet 4, lug boss 41 stressed extrusion film wiring board switch contacts 51, film circuit board switch contact 51 is in contact condition, film circuit board 5 closed connections, button is in functional status, and spring 5 is in pressurized bounce-back state simultaneously; When finger unclamped the keycap of pressing 1, keycap 1 upwards slided rapidly under spring 2 bounces, and keycap 1 restPoses, and button is in no function state.

The main effect of silica gel sheet 4 is in the utility model: the keycap fore-set 12 that prevents keycap 1 directly beats film circuit board 5 and bump lower cover 6 and makes a noise, and plays the effect that reduces noise; Between the keycap fore-set 12 of keycap 1 and film circuit board 5, play cushioning effect, directly impact film circuit boards 5 with the keycap fore-set 12 of avoiding keycap 1, the film circuit board 5 of breaking, thus play protective film wiring board 5, improve the life-span of whole button

The utility model combines the advantage of conventional keyboard button, button pressed speed and rebound velocity are fast, Material Cost is low, generation technology is simple, make to produce easily, and because the life-span of the present utility model depend on suppressing the life-span of silica gel sheet 4 itself, the life-span of suppressing of silica gel sheet 3 can reach more than 2,000 ten thousand times, so also will prolong the useful life of entire product greatly, avoided the shortcoming of conventional keyboard press-key structure, especially be particularly suitable for computer game player market.

The above embodiment, it is preferred embodiments of the present utility model, be not to limit the utility model practical range,, all should be included in the utility model patent claim so all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify.

Claims

1, a kind ofly can prolong the keyboard useful life and the keyboard of resilience rapidly, it includes keycap, spring, loam cake, silica gel sheet, film circuit board and lower cover, it is characterized in that: described keycap is provided with keycap guide pillar and keycap fore-set, be covered with donating bond cap guide pillar on described and insert the loam cake keyhole that slides, keycap is loaded within the keyhole of loam cake, loam cake is placed on the lower cover, is with spring in the guide pillar of keycap, is loaded between loam cake and the silica gel sheet; Described film circuit board is loaded between silica gel sheet and the lower cover, then is provided with the silica gel sheet with lug boss on film circuit board, and described film circuit board switch contact is relative with the lug boss position of silica gel sheet.