CN201319336Y - keyboard structure - Google Patents

Abstract

The utility model discloses a keyboard structure, which comprises a base, a film circuit, a key cap, an elastic body and an actuating element. The thin film circuit is disposed on the base, and the keycap is disposed over the thin film circuit. The elastic body is arranged between the film circuit and the keycap and is provided with a first opening and a second opening which are opposite, wherein the edge of the first opening of the elastic body is connected with the film circuit, and the edge of the second opening of the elastic body is connected with the keycap. One end of the actuating element is positioned in the second opening and connected with the keycap, and the actuating element extends towards the direction of the first opening. When the keycap moves towards the base, the other end of the actuating element moves close to the thin film circuit, so that the thin film circuit is triggered to generate a signal.

Description

keyboard structure

technical field

The utility model relates to a keyboard structure, in particular to a keyboard structure which is not easy to wear.

Background technique

There are many types of common input devices on the market, such as mouse, keyboard, touch pad, etc., which are widely used in various computer equipment and handheld devices. Especially the keyboard, in the current products such as desktop computers, notebook computers, communication mobile phones, personal digital assistants (PDA), smart phones, translators, etc., must be equipped with a keyboard to provide the function of user input . Therefore, the operability of the keyboard is very important.

Most of the keyboards have physical keys, and the user must press the keys to generate a signal to input the information to be input into the computer or the handheld device. However, after using the keyboard for a long time, the keys on the keyboard must have been pressed many times, and the components in the keys, such as the rubber dome, are also prone to wear due to excessive frequent squeezing. As a result, the actuation state of the keys will be affected, and the worn rubber cover must be replaced, or even a new keyboard must be purchased directly.

Utility model content

The purpose of this utility model is to provide a kind of keyboard structure, and it is to design the opening of elastic body, in order to reduce the force-bearing surface of elastic body, thus can avoid the force-bearing surface of elastic body to produce large-scale deformation, and then can reduce the force-bearing surface of elastic body. Wear and tear, so it is not necessary to replace the elastic body frequently, so that the keyboard structure has a longer service life.

The purpose of the utility model is achieved by proposing a keyboard structure, which includes a base, a thin film circuit, a keycap, an elastic body and an actuating element. The thin film circuit is arranged on the base, and the keycap is arranged on the thin film circuit. The elastic body is arranged between the thin film circuit and the keycap, and has a first opening and a second opening opposite to each other, wherein the edge of the first opening of the elastic body is connected to the thin film circuit, and the edge of the second opening of the elastic body is connected to the keycap . One end of the operating element is located in the second opening and connected to the keycap, and the operating element extends toward the first opening. When the keycap moves toward the base, the other end of the actuating element moves closer to the thin film circuit, thereby triggering the thin film circuit to generate a signal.

The utility model has the advantage that an elastic body is arranged between the base of the keyboard structure and the keys, and the keycap is connected with an actuating element. In order to make the actuating element touch the film circuit, the elastic body corresponds to the position of the actuating element It has an opening, so that the actuating element penetrates the opening of the elastic body, so that when the keycap is pressed, the actuating element can directly trigger the thin film circuit to generate a signal. Since the elastic body has an opening on the force-bearing surface of the keycap, the elastic body The force-receiving surface will not be greatly deformed during use, so it is less prone to wear and tear. In this way, the elastic body does not need to be replaced frequently, thus effectively increasing the service life of the keyboard structure.

In order to make the above-mentioned content of the present utility model more obvious and understandable, the preferred embodiments are specifically cited below, together with the accompanying drawings, and are described in detail as follows:

Description of drawings

Fig. 1 is an exploded view of a keyboard structure according to a preferred embodiment of the present invention;

FIG. 2A is a schematic diagram of the assembled keyboard structure of FIG. 1;

Fig. 2B is a schematic diagram after the keyboard structure of Fig. 2A is pressed;

Fig. 3 is a schematic diagram showing that the actuating element and the keycap are independent components;

Fig. 4 is a schematic diagram of a keyboard structure having a scissor foot structure.

Description of main component symbols

10: Keyboard structure

110: base

120: Thin film circuit

130: Keycap

140: Elastomer

140A: first opening

140B: second opening

150, 150': actuating element

152: soft material

160: fixed element

170: Scissor foot structure

Detailed ways

Please refer to FIG. 1 , which is an exploded view of a keyboard structure according to a preferred embodiment of the present invention. As shown in FIG. 1 , the keyboard structure 100 includes a base 110 , a thin film circuit 120 , a keycap 130 , an elastic body 140 and an operating element 150 . The elastic body 140 has a first opening 140A and a second opening 140B opposite to each other. When assembling the keyboard structure 100, the thin film circuit 120 is first arranged on the base 110, then the elastic body 140 is positioned on the thin film circuit 120, and then the keycap 130 and the operating element 150 are aligned with the second opening of the elastic body 140 140B, and then completely assembled on the base 110.

The base 110 is, for example, a metal frame or a plastic frame, which provides sufficient support and structural strength for the entire keyboard structure 100 . The thin film circuit 120 has a plurality of key switches (not shown), wherein each of these key switches is composed of several layers of thin films printed with metal wires, for example. The keycap 130 can be a hard keycap or a soft keycap, and its material can be engineering plastic or rubber.

The elastic body 140 is, for example, a hollow circular cover, and the first opening 140A of the elastic body 140 is larger than the second opening 140B, so that the elastic body 140 has different cross-sectional sizes. As shown in FIG. 1, the elastic body 140 is an upper Narrow and wide structure design. In addition, the elastic body 140 can be made of rubber or plastic, and the structure of the elastic body 140 itself is more flexible under the design of different cross-sectional sizes.

It is worth mentioning that since the elastic body 140 of this embodiment has openings on the top and bottom, the elastic body 140 is not generally squeezed by the keycap 130 on the entire surface of the rubber dome of a traditional keyboard. Therefore, The force-receiving surface of the elastic body 140 (the edge of the second opening 140B) will not be greatly deformed during use, which can reduce the abrasion of the elastic body 140 . In this way, the service life of the elastic body 140 is longer.

The operating element 150 is, for example, a columnar body. In addition, the actuating element 150 and the keycap 130 can actually be produced by various injection molding methods, so that the actuating element 150 and the keycap 130 can be directly integrally formed and produced. Preferably, one end of the operating element 150 has a soft material 152 to prevent the surface layer of the thin film circuit 120 from being damaged when the operating element 150 is in contact with the thin film circuit 120 . And according to the electrical contact mode of the thin film circuit 120 , a conductive material may also be provided at one end of the actuating element 150 to conduct the key switch of the thin film circuit 120 through the actuating element 150 .

Please refer to FIG. 2A and FIG. 2B . FIG. 2A is a schematic diagram of the assembled keyboard structure of FIG. 1 , and FIG. 2B is a schematic diagram of the keyboard structure of FIG. 2A after being pressed. As shown in FIG. 2A , after the keyboard structure 100 is assembled, the thin film circuit 120 is disposed on the base 110 , and the keycap 130 is disposed on the thin film circuit 120 . The elastic body 140 is disposed between the film circuit 120 and the keycap 130 , wherein the edge of the first opening 140A of the elastic body 140 is connected to the film circuit 120 , and the edge of the second opening 140B of the elastic body 140 is connected to the keycap 130 . One end of the operating element 150 is located in the second opening 140B and connected to the keycap 130 , and the other end of the operating element 150 extends toward the first opening 140A.

As shown in FIG. 2B, when the keycap 130 is pressed, since the elastic body 140 itself is deformable, the keycap 130 can move toward the base 110. At this time, the other end of the actuating element 150 moves closer to the thin film circuit 120. , so as to trigger the thin film circuit 120 to generate a signal, and in this way, an action of pressing a button is completed. When the keycap 130 is released, the keycap 130 will return to its original position due to the elastic force of the elastic body 140 .

In the above embodiment, although the actuating element 150 and the keycap 130 are integrally formed for illustration, the present invention is not limited thereto. Please refer to FIG. 3 , which is a schematic diagram of the operating element and the keycap as independent components. As shown in FIG. 3 , the actuating element 150' and the keycap 130 can be combined by a fixing element 160. The fixing element 160 can be a plate, which is attached to the lower surface of the keycap 130 on its entire surface, and one end of the actuating element 150 ′ is accommodated in the fixing element 160 , and the other end is a plate passing through the fixing element 160 structure.

In order to increase the supporting strength of the keycap 130 of the keyboard structure 100 and the stability of pressing, other supporting mechanisms may be provided between the keycap 130 and the base 110 . Please refer to FIG. 4 , which is a schematic diagram of a keyboard structure having a scissors foot structure. As shown in FIG. 4 , the scissors structure 170 is disposed between the keycap 130 and the base 110 . The two connecting rods of the scissor foot structure 170 are arranged crosswise in the keyboard structure 100 , wherein the two connecting rods are connected through a pivot. One end of the connecting rod is connected to the lower surface of the keycap 130 , and the other end of the connecting rod is connected to the base 110 . When the user presses the keycap 130 , in addition to the elastic force of the elastic body 140 , the scissor foot structure 170 can effectively assist the keycap 130 to move up and down stably.

In the keyboard structure disclosed in the above-mentioned embodiments of the present invention, an elastic body is arranged between the base of the keyboard structure and the keys, and an actuating element is connected to the key cap. In order for the actuating element to be in contact with the thin film circuit, the elastic body has an opening corresponding to the position of the actuating element, so that the actuating element penetrates through the opening of the elastic body, so that when the keycap is pressed, the actuating element can directly trigger the thin film circuit generate a signal. Since the force-bearing surface of the elastic body has an opening at the keycap, the force-bearing surface of the elastic body will not deform too much during use, so it is less prone to wear and tear. In this way, it is not necessary to replace the elastic body frequently. body, thus effectively increasing the service life of the keyboard structure.

Claims (14)

1. a keyboard structure is characterized in that, comprising: pedestal; Thin film circuit is arranged on this pedestal; Keycap is arranged on this thin film circuit; Elastomer is arranged between this thin film circuit and this keycap, and has one first relative opening and one second opening, and wherein, the edge of this elastomeric this first opening connects this thin film circuit, and the edge of this elastomeric this second opening connects this keycap; And actuation element, the one end is arranged in this second opening and connects this keycap, and this actuation element extends towards the direction of this first opening, wherein, when this keycap when the direction of this pedestal moves, the other end of this actuation element shifts near this thin film circuit, thus to trigger this thin film circuit to produce signal.

2. keyboard structure as claimed in claim 1 is characterized in that, this actuation element and this keycap are one of the forming.

3. keyboard structure as claimed in claim 1 is characterized in that, this keyboard structure also comprises: in order to the retaining element that this actuation element is combined with this keycap.

4. keyboard structure as claimed in claim 3 is characterized in that, this retaining element is a plate body, and the whole face of this plate body is attached at this keycap, and this actuation element runs through this plate body.

5. keyboard structure as claimed in claim 1 is characterized in that, this other end of this actuation element has a flexible material.

6. keyboard structure as claimed in claim 1 is characterized in that, this other end of this actuation element has an electric conducting material.

7. keyboard structure as claimed in claim 1 is characterized in that, this actuation element is a column.

8. keyboard structure as claimed in claim 1 is characterized in that, this first opening is greater than this second opening.

9. keyboard structure as claimed in claim 1 is characterized in that, this elastomeric material is rubber or plastic cement.

10. keyboard structure as claimed in claim 1 is characterized in that, this elastomer is a circular lid.

11. keyboard structure as claimed in claim 1 is characterized in that, this keyboard structure also comprises: supporting mechanism is arranged between this pedestal and this keycap.

12. keyboard structure as claimed in claim 11 is characterized in that, this supporting mechanism is a scissors leg structure.

13. keyboard structure as claimed in claim 1 is characterized in that, this keycap is a hard keycap.

14. keyboard structure as claimed in claim 1 is characterized in that, this keycap is a soft keycap.

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