CN202977254U

CN202977254U - Keyboard structure

Info

Publication number: CN202977254U
Application number: CN 201220683335
Authority: CN
Inventors: 张庆明; 胡军成
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-12
Filing date: 2012-12-12
Publication date: 2013-06-05
Anticipated expiration: 2022-12-12

Abstract

The utility model discloses a keyboard structure which comprises a key layer, a contact layer, a lighting layer, a rebounding layer, an upper printed circuit layer, a spacer layer and a lower printed circuit layer. The key layer is provided with keys and patterns. The contact layer is provided with contacts. The lighting layer is provided with lighting areas and first through holes. The rebounding layer is provided with metal elastic pieces. The upper printed circuit layer is provided with first contact areas. The lower printed circuit layer is provided with second contact areas. The spacer layer is provided with second through holes. A main body of the keyboard structure is sequentially stacked by the seven layers, and assembling is convenient and fast. The lighting layer is used as a backlight to adapt to conditions with insufficient light. The key layer is of a whole piece gapless key structure and is dustproof and waterproof. The patterns are located at the back of the keys and are durable and wear-resistant. The second through holes can increase travel of the metal elastic pieces to improve touch. The keyboard structure is convenient and fast to assemble, good in backlight effect, ultrathin, highly adaptive, and good in dustproof and waterproof effect, and keys are less prone to abrasion.

Description

A kind of keyboard structure

Technical field

The utility model relates to the computer equipment technical field, relates in particular to a kind of keyboard structure.

Background technology

input equipment as computer, keyboard can be divided into 104 QWERTY keyboard, 107 QWERTY keyboard, notebook type keyboard and Wireless Keyboard, wherein, above-mentioned keyboard is commonly the scissor leg structure keyboard, its operation principle is: the form that key arrangement is become matrix, by hardware or software at any time to matrix-scanning, in case a certain button is pressed, the microprocessor of keyboard control chip is just according to its position, the ranks information of this button is converted to position code and sends into main frame or directly show key name at display screen, tabled look-up by keyboard driver again, obtain the ASCII character of button, the keyboard buffer of sending at last in internal memory takes out temporary instruction analysis execution for main frame.

Existing scissor leg structure keyboard generally comprises keycap (being keyboard), the supporter by the X framework, the silica gel projectile body of lifting effect and the key body that the three-chip type circuit forms.In the use procedure of reality, there are many defectives in existing scissor leg structure keyboard, and for example: complex structure and assembling are inconvenient; The picture and text of key cap surface are easily rubbed off, and result of use is poor; Without backlight effect, can only use in well-lighted situation, the scope of application is relatively limited to; The keyboard integral thickness is thicker, is difficult to satisfy the day by day frivolous requirement of computor-keyboard, and is gapped between button and button, easy dirty delay etc.

Summary of the invention

The purpose of this utility model is to provide a kind of keyboard structure for the deficiencies in the prior art, this keyboard structure can be realized the fast and easy assembling, and has backlight effect to be applicable to the situation of insufficient light, in addition, the button picture and text are permanent wear-resisting, integral thickness is thinner, and the gapless button design of full wafer can avoid dirty residual effectively.

For achieving the above object, the utility model is achieved through the following technical solutions.

a kind of keyboard structure, include the key layer that is cascading from top to bottom, contact layer, luminescent layer, resilient layer, upper printed wire layer, spacer layer and lower printed wire layer, the front of key layer is provided with the button that forms through the UV transfer printing, key layer is printed with light-permeable and is used for sign by the picture and text of key name in the back side of button, contact layer is provided with the contact point corresponding with key position, luminescent layer is provided with the luminous zone corresponding with the picture and text positions and first through hole corresponding with contacting points position, resilient layer is provided with the metal clips corresponding with contacting points position, the upper surface of the lower surface of upper printed wire layer and lower printed wire layer is respectively arranged with line layout, the line layout of upper printed wire layer is provided with the first contact zone that contacts with metal clips, the line layout of lower printed wire layer is provided with second contact zone corresponding with the first position, contact zone, spacer layer offers the second corresponding with the first contact zone and the second position, contact zone respectively through hole, one of them is provided with leading-out wire upper printed wire layer and lower printed wire layer.

Wherein, described luminescent layer is light guide sheet or cold light film.。

the beneficial effects of the utility model are: a kind of keyboard structure described in the utility model, it includes the key layer that is cascading from top to bottom, contact layer, luminescent layer, resilient layer, upper printed wire layer, spacer layer and lower printed wire layer, the picture and text that key layer is provided with button and is positioned at the back side of button, contact layer is provided with contact point, luminescent layer is provided with luminous zone and the first through hole, resilient layer is provided with metal clips, upper printed wire layer is provided with the first contact zone, lower printed wire layer is provided with the second contact zone, spacer layer offers the second through hole.Keyboard body of the present utility model is formed by above part closed assembly successively, and is easy to assembly quick; The utility model with the luminescent layer of area source structure as backlight to realize backlight effect, the light that luminescent layer sends transmits via the picture and text of luminous zone and light-permeable successively, even in the situation that insufficient light, the user is operation keyboard easily also, and then making the utility model can be applicable to the situation of insufficient light, applicability is strong; The front of key layer adopts the UV transfer printing process to make the gapless button of full wafer shape, dustproof and waterproof and can effectively avoid dirty residual, and sign is positioned at the back side of button by the picture and text of key name, and picture and text are forever wear-resisting; Resilient layer adopts metal clips, and its stroke is short, dynamics is low, the life-span is long, and the second through hole can increase the stroke of metal clips and then strengthen feel.Comprehensive above-mentioned situation as can be known, the utlity model has easy to assembly fast, backlight effect is good, ultra-thin and applicability strong, button is not easy to wear and dustproof and waterproof is effective advantage.

Description of drawings

The below utilizes accompanying drawing that the utility model is further detailed, but the embodiment in accompanying drawing does not consist of any restriction of the present utility model.

Fig. 1 is structural representation of the present utility model.

Include in Fig. 1:

1---key layer 11---button

12---picture and text 2---contact layer

21---contact point 3---luminescent layer

31---luminous zone 32---first through hole

4---resilient layer 41---metal clips

5---upper printed wire layer 51---first contact zone

6---spacer layer 61---second through hole

7---lower printed wire layer 71---second contact zone

8---leading-out wire.

Embodiment

Below in conjunction with concrete execution mode, the utility model is described.

as shown in Figure 1, a kind of keyboard structure, include the key layer 1 that is cascading from top to bottom, contact layer 2, luminescent layer 3, resilient layer 4, upper printed wire layer 5, spacer layer 6 and lower printed wire layer 7, the front of key layer 1 is provided with the button 11 that forms through the UV transfer printing, key layer 1 is printed with light-permeable and is used for sign by the picture and text 12 of key name in the back side of button 11, contact layer 2 is provided with the contact point 21 corresponding with button 11 positions, luminescent layer 3 is provided with the luminous zone 31 corresponding with picture and text 12 positions and first through hole 32 corresponding with contact point 21 positions, resilient layer 4 is provided with the metal clips 41 corresponding with contact point 21 positions, the upper surface of the lower surface of upper printed wire layer 5 and lower printed wire layer 7 is respectively arranged with line layout, the line layout of upper printed wire layer 5 is provided with the first contact zone 51 that contacts with metal clips 41, the line layout of lower printed wire layer 7 is provided with second contact zone 71 corresponding with 51 positions, the first contact zone, spacer layer 6 offers the second corresponding with the

first contact zone

51 and 71 positions, the second contact zone respectively through hole 61, one of them is provided with leading-out wire 8 upper printed wire layer 5 and lower printed wire layer 7, the utility model is realized being electrically connected to by between leading-out wire 8 and external equipment.

The first through hole 32 of luminescent layer 3 is mainly used in avoiding contact point 21 and metal clips 41, and contact point 21 directly contacts with the metal clips 41 of resilient layer 4 by the first through hole 32; The metal clips 41 of resilient layer 4 has advantages of that stroke is short, dynamics is low and the life-span is long, can be so that the feel that the utlity model has, and wherein, resilient layer 4 also can be designed to flake structure to reduce integral thickness of the present utility model.

Key layer 1 is the UV integrated formed structure, and middle without any gap, the key layer 1 of this structure is positioned at the superiors of keyboard structure, can play the effect of dustproof and waterproof and avoid dirty residual; Sign is positioned at the back side of button 11 by the picture and text 12 of key name, picture and text 12 are forever wear-resisting.In addition, contact layer 2 can be made of silica gel or UV, and the contact point 21 of contact layer 2 is as the connector between the metal clips 41 of the button 11 of key layer 1 and resilient layer 4, and it is mainly used in transfer function power and realizes feel.

Further, key layer 1 can be designed to film-form; The key layer 1 of film-form can reduce the keyboard integral thickness further, and then realizes the ultrathin design of keyboard.

Need further to explain, luminescent layer 3 is light guide sheet or cold light film; Light guide sheet or cold light film can be designed to membrane structure and have luminous uniform advantage, and in addition, color also can be realized multiple variation.

Further, key layer 1 and luminescent layer 3 can be designed to superthin structure; The key layer 1 of superthin structure and luminescent layer 3 can reduce the keyboard integral thickness further, and then realize the ultrathin design of keyboard.

In the utility model course of work, the user is by button 11 positions of finger tip pressing keys layer 1, the button 11 that is pressed conducts to the corresponding contact point 21 of contact layer 2 with active force, this contact point 21 is supported corresponding metal clips 41, this metal clips 41 is out of shape downwards, the first contact zone 51 of upper printed wire layer 5 and the second contact zone 71 of lower printed wire layer 7 contact and form conducting, and wherein, the second through hole 61 can increase the stroke of metal clips 41 and then strengthen feel.

Keyboard body of the present utility model is formed by above part closed assembly successively, and is easy to assembly quick; The utility model with the luminescent layer 3 of area source structure as backlight to realize backlight effect, the light that luminescent layer 3 sends transmits via the picture and text 12 of luminous zone 31 and light-permeable successively, even in the situation that insufficient light, the user is operation keyboard easily also, and then making the utility model can be applicable to the situation of insufficient light, applicability is strong; In addition, the luminescent layer 3 of area source structure can reduce the usage quantity of LED lamp and can reach the effect of power saving.

Comprehensive above-mentioned situation as can be known, utility model have advantages of easy to assembly fast, backlight effect is good, ultra-thin and applicability strong, button 11 is not easy to wear and dustproof and waterproof is effective

Comprehensive above-mentioned situation as can be known, the utlity model has easy to assembly fast, backlight effect is good, ultra-thin and applicability strong, button 11 is not easy to wear and dustproof and waterproof is effective advantage.

Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.

Claims

1. keyboard structure, it is characterized in that: include the key layer (1) that is cascading from top to bottom, contact layer (2), luminescent layer (3), resilient layer (4), upper printed wire layer (5), spacer layer (6) and lower printed wire layer (7), the front of key layer (1) is provided with the button (11) that forms through the UV transfer printing, key layer (1) is printed with light-permeable and is used for sign by the picture and text (12) of key name in the back side of button (11), contact layer (2) is provided with the contact point (21) corresponding with button (11) position, luminescent layer (3) is provided with the luminous zone (31) corresponding with picture and text (12) positions and first through hole (32) corresponding with contact point (21) position, resilient layer (4) is provided with the metal clips (41) corresponding with contact point (21) position, the upper surface of the lower surface of upper printed wire layer (5) and lower printed wire layer (7) is respectively arranged with line layout, the line layout of upper printed wire layer (5) is provided with the first contact zone (51) that contacts with metal clips (41), the line layout of lower printed wire layer (7) is provided with second contact zone (71) corresponding with position, the first contact zone (51), spacer layer (6) offers corresponding with the first contact zone (51) and position, the second contact zone (71) respectively the second through hole (61), one of them is provided with leading-out wire (8) upper printed wire layer (5) and lower printed wire layer (7).

2. a kind of keyboard structure according to claim 1 is characterized in that: described luminescent layer (3) is light guide sheet or cold light film.