CN2594862Y

CN2594862Y - Low-noise button

Info

Publication number: CN2594862Y
Application number: CN 02291430
Authority: CN
Inventors: 李育龙
Original assignee: Behavior Technical Computer Corp
Current assignee: Behavior Technical Computer Corp
Priority date: 2002-12-18
Filing date: 2002-12-18
Publication date: 2003-12-24
Anticipated expiration: 2012-12-18

Abstract

The utility model discloses a low-noise button composed of a button cap and a button column which can do telescopic motion in a guide barrel of a keyboard base plate; the key column comprises an elastic slide sheet and a backstop sheet which are respectively arranged on two corresponding end surfaces of the button column in a cutting way; an oblique contact surface is formed at the end surface of the elastic slide sheet; when the elastic slide sheet does telescopic motion at the inner part of the guide barrel, the elastic slide sheet can form elastic contact with the inner wall surface of the guide barrel. The backstop sheet is assembled to the inner part of the guide barrel and then stops the backstop button column to position. The utility model can increase up-and-down movement stability of the button and reduces operation noise of the button; the utility model is convenient in assembly, which can reduce total volume as well as reduces manufacture cost.

Description

Low noise push-button

Technical field

The utility model relates to a kind of low noise push-button.

Background technology

Conventionally known computer keyboard key mostly is the key post that design is protruded out downwards by the keycap bottom, makes stretching motion up and down in the guide on keyboard substrate, in order to trigger the keyboard electric terminal, forms switch motion.Yet, be subjected to structural restriction, keyboard if the surface of contact of design key post and guide too hour, promptly easy generation keycap inclination or wild effect such as card key is arranged operation in, thereby must add the stability that large contact surface increases keycap by mat; Moreover, because the relation of vertical stretching motion is arranged between key post and guide, make keycap be difficult to, thereby traditional keycap has obvious instability to rock situation, and operation noise is also very serious by strong fix.

Another common puzzlement is, because of different computer operation person's operation keyboard customs is had nothing in common with each other, finger presses is exerted oneself and is also had nothing in common with each other, contacting between key post and guide, and the key column bottom is elastomeric presses or the like all will be subjected to different press pressures and cause wearing and tearing, or make the electric terminal poor sensitivity because of pressing bump, make the button operation noise increase relatively, though conventionally known keyboard has through improvement in many ways, this problem is not seen effective improvement yet.

Summary of the invention

The purpose of this utility model provides a kind of low noise push-button, and it can promote the up and down stability during stretching motion of button, significantly reduces the button operation noise simultaneously by this.

Another purpose of the present utility model provides a low noise push-button, and it is overall that it can reduce button, reduces cost on making.

For achieving the above object, the utility model is taked following design proposal: a kind of low noise push-button, constitute with can in the guide of keyboard substrate, making the key post of stretching motion by keycap, this key post, be included on the two corresponding end faces of key post, be respectively equipped with an elastic sliding vane and a stop tab to cut open the mode of splitting.

Described elastic sliding vane end face forms an oblique surface of contact, when the stretching motion of guide inside, can constitute flexible the contact with the guide internal face; Described stop tab can backstop key post location after being assembled to guide inside.

The utility model has the advantages that:

1. the elastic sliding vane door of Elastic Contact guide internal face ZI can be promoted the stability that button moves up and down and reduce the button operation noise.

2. elastic sliding vane 13 is to make with the key post is one-body molded with stop tab 16, can not increase extra manufacturing cost.

3. elastic sliding vane 13 and stop tab 16 all take shape in the corresponding both ends of the surface of key post 12 by cuing open the mode of splitting, and open elasticity outside having suitably, do not influence property easy to assembly.

Elastic sliding vane 13 can cancel key posts 12 and internal face ZI between the crack, slow down the keycap screen resilience and make operation noise reduce to minimum level.

5. elastic sliding vane 13 is set at same end face corresponding on the key post 12 with stop tab 16, can reduce cumulative volume and reduce manufacturing cost.

Description of drawings

Fig. 1 is the utility model one perspective view (display button and a keyboard guide structure)

Fig. 2 is the utility model one perspective view (button shown in Figure 1 being inverted)

Fig. 3 is the partial enlarged drawing (elastic sliding vane and stop tab on display key post one end face) among Fig. 2

Fig. 4 is each member cut away view and exploded view (members such as display button, guide, rubber blanket and keyboard substrate)

Fig. 5 is the constitutional diagram (display button is not pushed as yet among the figure, protrudes backstop button location by stop tab) of Fig. 4

Fig. 6 is a constitutional diagram (display button is pressed among the figure, presses rubber blanket by key post bottom, simultaneously by elastic sliding vane Elastic Contact guide internal face)

Embodiment

As shown in Figures 1 to 4, the utility model low noise push-button 10, be arranged on the computer keyboard, this computer keyboard comprises that keyboard substrate 40 upper ends establish guide 20, rubber blanket 30 is established in inside, the key post 12 of this button 10 can be made stretching motion in this guide 20 after assembling, and the electric terminal through rubber blanket 30 triggering keyboard substrates 40 forms switch motion.

As Fig. 1, Fig. 2 and Fig. 3, above-mentioned button 10 comprises keycap 11 and key post 12, and this key post 12 can be made stretching motion in guide 20, and this key post 12, more is included on its cylinder opposite ends face, is provided with an elastic sliding vane 13 and a stop tab 16 to cut open the mode of splitting respectively.

As Fig. 3 and Fig. 4, the end face of above-mentioned this key post 12, this elastic sliding vane 13 wherein, comprise that its bottom outwards is provided with a taper and protrudes 14, this taper protrudes 14 makes the end face of elastic sliding vane 13 form an oblique surface of contact 15, this key post 12 is when guide 20 inner stretching motions, and oblique surface of contact 15 can constitute flexible the contact with guide internal face 21, as Fig. 5 and shown in Figure 6.

And for example Fig. 3 and Fig. 4, the end face of above-mentioned this key post 12, this stop tab 16 wherein, be the both sides that are positioned at elastic sliding vane 13, this stop tab 16 comprises that the bottom is provided with backstop and protrudes 17, this key post 12 is after being assembled to guide 20 inside, and this backstop is protruded 17 energy backstop buttons, 10 location, can not elect because of the elasticity of rubber blanket 30.

Above-mentioned button 10 is when the person of being operated pushes and when making up and down stretching motion, it moves as Fig. 5 and shown in Figure 6.

When button 10 was not pressed as yet, key post 12 was elected upwards by the elasticity of rubber blanket 30 in guide 20, protruded 17 backstop because of stop tab 16 bottom backstops, can make button 10 location, as shown in Figure 5.

When button 10 person's of being operated not timings are pushed, key post 12 will be in guide 20 stretching motion up and down, to press rubber blanket 30 downward when key post 12 bottoms, be the conducting electric terminal, simultaneously, in the key post about in the of 12 in the stretching motion, oblique surface of contact 15 because of elastic sliding vane 13, ZI constitutes flexible the contact with the guide internal face, thereby can promote the stability that button moves up and down, and has reduced the operation noise of button.

In addition, in design,,, reduce manufacturing cost so can reduce cumulative volume because elastic sliding vane 13 and stop tab 16 are to be set at same end face corresponding on the key post 12.

Claims

1, a kind of low noise push-button is made of with making the key post of stretching motion in the guide of keyboard substrate keycap, it is characterized in that:

This key post is included on the two corresponding end faces of key post, is respectively equipped with an elastic sliding vane and a stop tab to cut open the mode of splitting.

2, low noise push-button according to claim 1 is characterized in that: described elastic sliding vane end face forms an oblique surface of contact, when the stretching motion of guide inside, can constitute flexible the contact with the guide internal face; Described stop tab can backstop key post location after being assembled to guide inside.

3, low noise push-button according to claim 1, it is characterized in that: the bottom of described elastic sliding vane is a taper and protrudes, make the end face of elastic sliding vane form an oblique surface of contact, when the stretching motion of guide inside, can constitute flexible the contact with the guide internal face.

4, low noise push-button according to claim 1 is characterized in that: wherein the bottom of this stop tab is the protrusion of backstop, after being assembled to guide inside, and can this button location of backstop.

5, low noise push-button according to claim 1 is characterized in that: elastic sliding vane and stop tab are arranged on same end face.