CN2630932Y

CN2630932Y - Keyboard key structure

Info

Publication number: CN2630932Y
Application number: CN 03251600
Authority: CN
Inventors: 许温候; 刘鸿杰
Original assignee: Ortek Techcnology Inc
Current assignee: Ortek Techcnology Inc
Priority date: 2003-05-07
Filing date: 2003-05-07
Publication date: 2004-08-04
Anticipated expiration: 2013-05-07

Abstract

A key-press structure of keyboard, the adjoining plane of a keycap is provided with four cylinders, a lateral wall is provided among the cylinders, any two opposite lateral walls are provided with an elastic inlay respectively, the end of the elastic inlay is provided with an outward coupler body respectively; the four cylinders of the keycap are put in the throughout hole arranged in the center of the pedestal by sliding, any two lateral walls of the throughout hole are provided with a guide channel respectively, the upper ends of the two guides are provided with another coupler body respectively, the two elastic inlays can be embedded in the guide channel; an inverted funnel-shaped and conductive rubber sleeve of arc body on the top is arranged at the bottom of the throughout hole of the pedestal, the superior border of the arc body is connected with the lateral walls of the keycap adjoining plane, when the pressing surface of the keycap is pressed, the cylinder slides down along the lateral wall of the throughout hole, the lateral wall presses the superior border of the arc body, the convex body in the lateral wall is pressed on an electric film circuit board, which products signal, when the pressing surface is released, the pressing surface is recovered to the state before being pressed, the coupler body of the two elastic inlays is inlayed on the another coupler body, which prevents the keycap detaching from the throughout hole. The key-press structure has the advantages of shorter pressing stroke, better pressing handle and low price.

Description

The key structure of keyboard

Technical field

The utility model relates to a kind of key structure of keyboard, refer in particular to a kind of applicable on the notebook computer, replacing the button that is adopted on traditional notebook computer, button of the present utility model except that have the stroke of pushing short and push feel preferable, still have cheap characteristic.

Background technology

Along with constantly weeding out the old and bring forth the new of current information product, people are more and more higher to the widespread use and the requirement of electronic installation, particularly portable electronic installation (as notebook computer), more convenient, more effective service can be provided, just like become the manufacturing technology of estimating various countries' high-tech product, one of important indicator that whether takes the lead.In electronic age now, because information flow is quick, people are to the demand of information and exchange more and more greatly, and therefore, notebook computer just is widely used in all trades and professions, and become already many people live in an indispensable part.

Yet, notebook computer and the relevant machine of deriving thereof that the big factory of present each science and technology is researched and developed, often only pay attention to power that notebook computer itself can support and whether frivolous and short and small, and the main flow trend that ultrathin notebook computer can be said so present, because frivolous external form and weight, allow many people be so fond that will not let out of one's hand in the use, its major defect is: price relatively also is tending towards expensive, is to belong to than valuables.Also because so, manufacturer uses the part on notebook computer often comparatively expensive, causes its cost high relatively.

Consult shown in Figure 1, button way on the present notebook computer, the compression travel of its button 1 when pushing is shorter, to cooperate its frivolous characteristic, simultaneously, when pushing, preferable for asking it to push feel, unusual to highlight it, button 1 structure on traditional notebook computer keyboard, be made up of following member respectively: keycap 10 is to be the scissor movable part of X-shaped 11 by one, one conductive rubber 12, one supporter 13 and an insulating trip 14 are formed, wherein the bottom of keycap 10 is the corresponding movable parts 11 of difference, and connect with an end of movable part 11, the other end of movable part 11 is to connect with conductive rubber 12 and supporter 13 respectively, keycap 10 is installed on the keyboard and when being pressed, can be by a scissor intersection hinge portion 111 effects of X-shaped that movable part 11 is, make keycap 10 move down, and contact with conductive rubber 12, to reach the purpose that its signal transmits, and setting by supporter 13, but all of support keys 1 are formed member, and supporter 13 is generally the flat shape iron plate of a slice, the bottom of supporter 13 is coated insulation sheets 14, when button 1 is installed in the notebook computer, can form a non-conductive effect of insulation with the other electron component (not shown) in the notebook computer, promptly constitute the keyboard structure on the notebook computer.Its major defect is:

Above-mentioned button 1 structure is to cause one of expensive factor of traditional notebook computer, though notebook computer obtains consumer's favor, it costs an arm and a leg, and makes user's purchases of dare not gently anticipating also, and reality has improved necessity.

Summary of the invention

The purpose of this utility model provides a kind of key structure of keyboard, by on the composition surface of keycap, being provided with four cylinders, keycap slides up and down in the pedestal through hole, because its contact friction area to each other is less, it is smooth and easy that cylinder is slided in through hole, unlikely generation is rocked or the phenomenon of bite, reach reduce cost, frivolous and push the preferable purpose of feel.

Another purpose of the present utility model provides a kind of key structure of keyboard, when in through hole, sliding into the upper end by keycap, be by the coupler body on two set on its composition surface elasticity inlays, on grab another coupler body in the through hole guide groove, make in the unlikely through hole of keycap and breaking away from by pedestal, by the position that is provided with of coupler body and another coupler body, effectively control the compression travel of keycap, reach and push the purpose that stroke is short and reduce cost.

The purpose of this utility model is achieved in that a kind of key structure of keyboard, it includes keycap, pedestal and conductive rubber, it is characterized in that: the one side of keycap is one to be level and smooth press surface, another side is one to be the composition surface that caves inward, this composition surface is positioned at nearly central position and is provided with outward extending four cylinders, between these adjacent cylinders and keep a predetermined gap, be positioned on this composition surface between these cylinders is to be connected with a sidewall respectively, the height of these sidewalls is the height less than these cylinders, and appointing on the two-phase corresponding side walls is to be respectively equipped with an elasticity inlay, is respectively equipped with outwardly a coupler body on its end;

The central part of this pedestal convexes with a through hole, this through hole be able to make four cylinders of this keycap be inserted in it slidably, in appointing on the two-phase corresponding side walls of this through hole, be to be respectively equipped with a guide groove, the upper end of this two guide groove is respectively equipped with another coupler body, and four cylinders of this keycap are inserted in the through hole of this pedestal slidably, this two elasticity inlay can enter in these guide grooves, and in the upper end that slides into this guide groove, inlay card is on this another coupler body, and this keycap is unlikely by breaking away from this through hole;

This conductive rubber just is set in the bottom of this pedestal through hole, the top of this conductive rubber is one to be down funnelform arc body, be provided with a convex body in it, the upper limb of this arc body just with this keycap composition surface on sidewall in contact, press down the press surface of this keycap, these cylinders along the sidewall of this through hole to lower slider, press down this arc body upper limb in this sidewall, make the convex body in it be pressed against on the film circuit board of a conduction, and then generation signal, when release presses down the strength of this press surface, can be by the elastic-restoring force of this arc body, state when recovering not push, simultaneously, make coupler body inlay card on this two elasticity inlay on this another coupler body, make in the unlikely through hole of this keycap to break away from by this pedestal.

Be connected with one in the sidewall that is connected between these cylinders and be criss-cross floor.The arc body upper limb of this conductive rubber, cruciform floor proper and in this keycap composition surface upper side wall contacts.

Describe in detail below in conjunction with the preferred embodiment conjunction with figs..

Description of drawings

Fig. 1 is the schematic side view of conventional keys;

Fig. 2 is a perspective exploded view one of the present utility model;

Fig. 3 is a perspective exploded view two of the present utility model;

Fig. 4 is a combination schematic side view of the present utility model.

Embodiment

Consult Fig. 2-shown in Figure 4, the key structure of keyboard of the present utility model, comprise a keycap 20, it simultaneously is one to be level and smooth press surface 21, its another side then is one to be the composition surface 22 that caves inward, this composition surface 22 is provided with outward extending four cylinders 23 in nearly central position, 23 of adjacent cylinders also keep a predetermined gap, be to be connected with a sidewall 24 respectively 23 of cylinders on this composition surface 22, the height of these sidewalls 24 is the height less than these cylinders 23, and be respectively equipped with an elasticity inlay 25 on wantonly two sidewalls 24, be respectively equipped with outwardly a coupler body 25 on the end of this two elasticity inlay 25, in this sidewall 24, be connected with one and be criss-cross floor 241 (as shown in Figure 2).

In the present embodiment, four cylinders 23 of keycap 20 just are inserted in the through hole 31 that central part was convexly equipped with of a pedestal 30 slidably, pedestal 30 is appointed on the two-phase corresponding side walls through hole 31, be to be respectively equipped with a guide groove 32, the upper end of this two guide groove 32 is respectively equipped with another coupler body 321 (as Fig. 2, shown in 3), when four cylinders 23 of this keycap 20 are inserted in the through hole 31 of pedestal 30 slidably, this two elasticity inlay 25 just can enter in these guide grooves 32, and unlikely rocking (as shown in Figure 3), simultaneously, coupler body 251 on this two elasticity inlay 25 is when sliding into the upper end of this guide groove 32, but inlay card is on this another coupler body 321, make keycap 20 unlikely by breaking away from the through hole 31 of this pedestal 30, the sidewall of these four cylinders 23 and this through hole 31 because contact friction area each other is less, causes the user when pushing keycap 20 when sliding, the phenomenon of unlikely generation bite, and make the user feel the smooth and easy and preferable feel of sliding.

Consult Fig. 2-shown in Figure 4, in this preferred embodiment, the bottom of the through hole 31 of pedestal 30 just can be arranged with a conductive rubber 40, the top of this conductive rubber 40 is one to be down funnelform arc body 41, be provided with a convex body 42 (as shown in Figure 2) in it, the upper limb of this arc body 41 just can contact (as shown in Figure 4) with the cruciform shaft of rib 241 on these keycap 20 surface of contact 22, press down the press surface 21 of keycap 20, these cylinders 23 along the sidewall of this through hole 31 when the lower slider, because of its friction area to each other less, make these cylinders 23 to lower slider the time, it is smooth and easy to slide, unlikely rocking or bite, simultaneously, the cruciform floor 241 of keycap 20 can press down the arc body 41 of this conductive rubber 40, makes the convex body 42 in it be pressed against on the film circuit board 50 that conducts electricity (as Fig. 3, shown in 4), and then produce signal.

When user's release presses down the strength of this press surface 21, the elastic-restoring force of the arc body 41 by this conductive rubber 40, state when making this arc body 41 recover not push, simultaneously, this keycap 20 is by the elastic-restoring force of this arc body 41, these cylinders 23 are upwards slided along the sidewall of this through hole 31, and because of its friction area to each other less, these cylinders 23 are when upwards sliding in addition, it is smooth and easy to slide, and unlikely meeting is rocked or bite, at last by the coupler body 251 on the two elasticity inlays 25 when sliding into the upper end of this guide groove 32, but inlay card makes this keycap 20 unlikely by breaking away from the through hole 31 of pedestal 30 on this another coupler body 321.

Can clearly learn by above-described structure, key structure of the present utility model is by the sidewall of these cylinders 23 with through hole 31, its contact area to each other is less, the friction force that makes keycap 20 slide up and down in the through hole 31 of pedestal 30 is little, and then it is smooth and easy that these cylinders 23 are slided in this through hole 31, and unlikely generation is rocked or the phenomenon of bite.

This keycap 20 is by the coupler body 251 on this two elasticity inlay 25, grab is on another coupler body 321 of these guide groove 32 upper ends, make this keycap 20 unlikely by breaking away from the through hole 31 of pedestal 30, simultaneously, the position that is provided with by these coupler bodies 251 and another coupler body 321, can effectively control the compression travel of keycap 20, make it shorter, to cooperate the frivolous characteristic of this press-key structure, so, key structure of the present utility model replaces the keyboard structure that is adopted on traditional notebook computer in addition, and then reduce cost, therefore, without doubt, the utility model is a contribution greatly for vast consumption is popular in fact.

The above only is an illustrated embodiments of the present utility model, still; structural attitude of the present utility model is not limited thereto, and allly is familiar with this skill person, in the utility model field; can think easily and variation or modification, should all covered within the protection domain of the present utility model.

Claims

1, a kind of key structure of keyboard, it includes keycap, pedestal and conductive rubber, it is characterized in that: the one side of keycap is the press surface that is level and smooth, another side is to be the composition surface that caves inward, this composition surface is positioned at nearly central position and is provided with outward extending four cylinders, maintain predetermined gap between these adjacent cylinders, be positioned on this composition surface between these cylinders is to be connected with a sidewall respectively, the height of these sidewalls is the height less than these cylinders, and appointing on the two-phase corresponding side walls is to be respectively equipped with an elasticity inlay, is respectively equipped with outwardly a coupler body on its end;

The central part of this pedestal convexes with a through hole, this through hole be able to make four cylinders of this keycap be inserted in it slidably, appointing on the two-phase corresponding side walls of this through hole is respectively equipped with a guide groove, the upper end of this two guide groove is respectively equipped with another coupler body, four cylinders of this keycap are inserted in the through hole of this pedestal slidably, this two elasticity inlay can enter in these guide grooves, and in the upper end that slides into this guide groove, inlay card is on this another coupler body; This conductive rubber is set in the bottom of this pedestal through hole, and the top of this conductive rubber is to be down funnelform arc body, is provided with a convex body in it, contacts in the sidewall on the upper limb of this arc body and this keycap composition surface.

2, the key structure of keyboard according to claim 1 is characterized in that: be connected with in the sidewall that is connected between these cylinders and be criss-cross floor.

3, the key structure of keyboard according to claim 2 is characterized in that: the arc body upper limb of this conductive rubber contacts with this cruciform floor.