CN201210457Y - Key and keyboard - Google Patents

Abstract

The utility model discloses a button and keyboard. The key comprises a bottom plate, a thin film circuit, an elastic component, an upper cover and a keycap. The upper cover comprises a rib wall, and the rib wall comprises at least one first buckling part. A first vertical distance is defined between the at least one first buckling part and the thin film circuit. The keycap comprises at least one second buckling part corresponding to the at least one first buckling part and a plurality of auxiliary fixing parts. A second vertical distance is defined between the pressing part of the keycap and the at least one second buckling part. The plurality of auxiliary fixing parts are formed on the peripheral surface of the keycap and protrude outwards. The keycap is inserted into the rib wall in a matching way, the at least one first buckling part and the at least one second buckling part are buckled with each other, and the plurality of auxiliary fixing parts are abutted against the inner wall of the rib wall, so that the keycap can stably and vertically move relative to the upper cover.

Description

Keys and keyboards

technical field

The utility model relates to a key and a keyboard using the key, in particular to a key that can move up and down stably when pressed.

Background technique

With the growth of informatization, information equipment is also becoming more and more popular. Take the most commonly used computer as an example, there are not only various brands and styles on the market, but its tentacles extend to homes, factories, companies, and offices. As well as places such as schools, its use level has even spread to all walks of life, and it has almost become a daily necessities for people. Existing computers, including desktop computers and notebook computers, mostly need to be equipped with a keyboard for users to perform operations such as character input.

At present, the keyboards used in computer keyboards, such as the "Keyboard Key Structure Improvement and Addition 2" disclosed in Taiwan Patent Publication No. 409930, have a longer support portion of the keycap, so the key stroke is longer, and it is easy to have a shaking problem. However, as the design of the keyboard becomes lighter and thinner, the main scope of the present invention is to provide a key with a short support portion and a short stroke and a keyboard using the key, so as to solve the above-mentioned problems.

Utility model content

An object of the present invention is to provide a key and a keyboard using the key.

The purpose of the utility model is achieved by providing a button, which includes a bottom plate, a membrane circuit, a deformable member, an upper cover and a key cap. The thin film circuit is arranged on the bottom plate, and the elastic member is arranged on the thin film circuit.

The upper cover has a hole and is arranged on the thin film circuit, so that the elastic member is located between the upper cover and the thin film circuit. The upper cover also includes a rib wall, and the rib wall extends toward a direction away from the elastic member along the periphery of the hole. The rib wall includes at least one first retaining portion formed on its upper end and extending inward, and a first vertical distance is defined between the at least one first retaining portion and the film circuit.

The keycap includes a push portion (button portion) and a support portion extending from the lower surface of the push portion. The supporting portion includes at least one second fastening portion corresponding to the at least one first fastening portion and a plurality of auxiliary fastening portions. At least one second fastening portion is formed on the peripheral surface of the supporting portion and extends outward, and a second vertical distance is defined between the pressing portion and the at least one second fastening portion. The plurality of auxiliary fixing parts are respectively formed on the peripheral surface of the support part and protrude outward.

The supporting part of the keycap is fitted into the rib wall, at least one first buckling part and at least one second buckling part are buckled together, and the plurality of auxiliary fixing parts abut against the inner wall of the rib wall, so that the keycap can be positioned relative to the upper rib wall. The cover moves vertically firmly. In addition, the ratio of the second vertical distance to the first vertical distance is roughly between 0.7 and 0.9.

The utility model also provides a keyboard, which includes a bottom plate, a thin film circuit, a plurality of elastic components, an upper cover and a plurality of keycaps. The thin film circuit is arranged on the bottom plate, and the plurality of elastic members are arranged on the thin film circuit.

The upper cover has a plurality of holes corresponding to the plurality of elastic members and is disposed on the thin film circuit, so that the plurality of elastic members are located between the upper cover and the thin film circuit. The upper cover also includes a plurality of rib walls, and each of the plurality of rib walls extends along a periphery of a corresponding hole toward a direction away from a corresponding elastic member. Each rib wall includes at least one first fastening portion formed on its upper end and extending inward, and a first vertical distance is defined between the at least one first fastening portion and the film circuit.

The plurality of keycaps respectively correspond to the plurality of rib walls, and each of the plurality of keycaps includes a pressing part and a supporting part extending from the lower surface of the pressing part. The supporting part includes at least one second fastening part corresponding to the at least one first fastening part and a plurality of auxiliary fixing parts. At least one second fastening portion is formed on the peripheral surface of the supporting portion and extends outward, and a second vertical distance is defined between the pressing portion and the at least one second fastening portion. The plurality of auxiliary fixing parts are respectively formed on the peripheral surface of the support part and protrude outward.

The supporting portion of each keycap is fitted into a corresponding rib wall, at least one first buckling portion and at least one second buckling portion are interlocked and the plurality of auxiliary fixing portions abut against the inner wall of the rib wall, so that The keycaps move firmly vertically relative to the top cover. In addition, the ratio of the second vertical distance to the first vertical distance is roughly between 0.7 and 0.9.

The advantage of the present invention is that, compared with the background technology, the button of the present invention can move vertically stably without shaking when the user presses it. Along with the diversification of button design, the button of the utility model has high applicability and provides good use quality.

The advantages and spirit of the present utility model can be further understood through the following detailed description of the utility model and the accompanying drawings.

Description of drawings

Fig. 1 is the appearance view of the button of a specific embodiment of the present utility model;

Fig. 2 is an exploded view of the button of a specific embodiment of the present invention;

Fig. 3 is the front view of the button of a specific embodiment of the present invention;

Fig. 4 is a sectional view of the button in Fig. 3;

Fig. 5 is a side view of the button of a specific embodiment of the present invention;

FIG. 6 is a cross-sectional view of the key in FIG. 5 .

Description of main component symbols

1: Button 10: Bottom plate

12: Thin film circuit 14: Upper cover

16: Keycap 18: Elastic member

120: Switch 140: Rib

142: hole 160: pressing part

162: Supporting part 180: Supporting column

182: Switch contact end 1400: The first fastening part

1620: Surrounding surface 1622: Auxiliary fixation part

1624: Second fastening part 1626: Center column

Detailed ways

See Figures 1 through 6. FIG. 1 and FIG. 2 are respectively an appearance view and an exploded view of a button 1 according to a specific embodiment of the present invention. 3 and 4 are respectively a front view and a cross-sectional view of the button 1 according to a specific embodiment of the present invention. 5 and 6 are respectively a side view and a cross-sectional view of the button 1 according to a specific embodiment of the present invention.

The key 1 includes a bottom plate 10 , a thin film circuit 12 , an elastic member 18 , an upper cover 14 and a key cap 16 . The thin film circuit 12 is disposed on the base plate 10 , and the elastic member 18 is disposed on the thin film circuit 12 .

In a specific embodiment, the elastic member 18 may be a dome member. In addition, the elastic member 18 can be made of a rubber or a polymer material.

The upper cover 14 has a hole 142 and is disposed on the thin film circuit 12 , so that the elastic member 18 can pass through the hole 142 and be located between the upper cover 14 and the thin film circuit 12 , as shown in FIG. 5 . The upper cover 14 also includes a rib wall 140 , and the rib wall 140 extends along the periphery of the hole 142 toward a direction away from the elastic member 18 . That is to say, the elastic member 18 can pass through the hole 142 and be disposed in the space surrounded by the rib wall 140 .

The rib wall 140 includes at least one first fastening portion 1400 formed on its upper end and extending inward. In practical applications, the first fastening portion 1400 may have a form of a hook as shown in FIG. 5 . It should be noted that the number and position of the first fastening portion 1400 can be designed according to actual needs, such as the shape and size of the button 1 . As shown in FIG. 5 , the rib wall 140 may include a pair of first fastening portions 1400 , and the pair of first fastening portions 1400 are respectively located on opposite sides of the rib wall 140 and extend inward. In addition, a first vertical distance Y is defined between at least one first fastening portion 1400 and the film circuit 12 .

The keycap 16 includes a pressing portion 160 and a support portion 162 extending from a lower surface of the pressing portion 160 . The pressing portion 160 may have a plate-like shape and slightly bend downwards, so that the user can easily apply force to press. The supporting portion 162 of the keycap 16 is fitted into the rib wall 140 . As shown in FIG. 5 , the support portion 162 includes at least one second fastening portion 1624 corresponding to the at least one first fastening portion 1400 . At least one second engaging portion 1624 is formed on the surrounding surface 1620 of the supporting portion 162 and extends outward. In principle, the quantity and position of the second fastening portion 1624 can be designed according to the specifications of the first fastening portion 1400 .

In addition, the supporting part 162 also includes a plurality of auxiliary fixing parts 1622 , and the plurality of auxiliary fixing parts 1622 are respectively formed on the surrounding surface 1620 of the supporting part 162 and protrude outward. In practical applications, the auxiliary fixing part 1622 may be a bar-shaped structure protruding from the surrounding surface 1620 of the supporting part 162 and extending up and down. It should be noted that the number, shape and position of the auxiliary fixing parts 1622 can be designed according to actual requirements, such as the size and cross section of the supporting part 162 . In addition, a second vertical distance X is defined between the pressing portion 160 and at least one second fastening portion 1624 .

In this particular embodiment, the support portion 162 may have a substantially square cross-section. In order to cooperate with the pair of first buckling parts 1400 as shown in FIG. 5 , the supporting part 162 may include a pair of second buckling parts 1624 . The pair of second fastening portions 1624 can be formed on the surrounding surface 1620 of the supporting portion 162 and located on opposite sides respectively. In addition, the supporting part 162 may include four auxiliary fixing parts 1622, which are respectively formed near each corner of the square section.

In the process of inserting the supporting portion 162 of the keycap 16 into the rib wall 140, at least one first buckling portion 1400 can be squeezed and slipped under the at least one second buckling portion 1624 until the at least one first buckling portion After the 1400 and at least one second engaging portion 1624 are engaged with each other, the insertion of the support portion 162 is completed. Since the at least one first fastening portion 1400 and the at least one second fastening portion 1624 are fastened to each other, the keycap 16 can be prevented from falling off from the rib wall 140 . In addition, after the supporting portion 162 of the keycap 16 is inserted into the rib wall 140 , the plurality of auxiliary fixing portions 1622 can abut against the inner wall of the rib wall 140 . In terms of function, the plurality of auxiliary fixing parts 1622 can reduce the gap between the support part 162 of the keycap 16 and the rib wall 140, so when the user repeatedly presses the key 1, the keycap 16 can be positioned relative to the upper cover. 14 Steadily move vertically without shaking.

It should be noted that the ratio of the second vertical distance X to the first vertical distance Y is roughly between 0.7 and 0.9. After testing, it is found that under the configuration of this ratio, button 1 can move up and down stably during repeated pressing, without tilting or shaking.

Please refer to Figure 5 again. In practical applications, the keycap 16 may include a central column 1626 formed on the lower surface of the pressing portion 160 , and the elastic member 18 has a support column 180 corresponding to the central column 1626 thereon. In addition, the thin film circuit 12 has a switch 120 thereon, and the elastic member 18 includes a switch contact 182 corresponding to the switch 120 . When the keycap 16 is pressed and moves downward, the central column 1626 presses down against the support column 180 to deform the elastic member 18 , so that the switch contact end 182 contacts the switch 120 . In practice, whether the switch 120 on the membrane circuit 12 is in contact with the switch contact end 182 of the elastic member 18 can achieve character input or other functions.

According to another specific embodiment of the present invention, a keyboard including the aforementioned keys is provided. In practical applications, the keyboard may be a keyboard for a desktop computer or a keyboard for a notebook computer, but is not limited thereto. Basically, please refer to FIG. 1 to FIG. 6 again for the basic structure of the button.

The keyboard includes a bottom plate, a thin film circuit, a plurality of elastic components, an upper cover and a plurality of keycaps. The thin film circuit is arranged on the bottom plate, and the plurality of elastic members are arranged on the thin film circuit.

The upper cover has a plurality of holes corresponding to the plurality of elastic members and is disposed on the thin film circuit, so that the plurality of elastic members are located between the upper cover and the thin film circuit. The upper cover also includes a plurality of rib walls, and each rib wall in the plurality of rib walls extends along a periphery of a corresponding hole toward a direction away from a corresponding elastic member.

Each rib wall includes at least one first fastening portion formed on its upper end and extending inward. It should be noted that the number and position of the first fastening portion can be designed according to actual needs, such as the shape and size of the button. In addition, a first vertical distance is defined between the at least one first fastening portion and the film circuit.

The plurality of keycaps respectively correspond to the plurality of rib walls, and each of the plurality of keycaps includes a pressing part and a supporting part extending from the lower surface of the pressing part. The supporting part includes at least one second fastening part corresponding to the at least one first fastening part and a plurality of auxiliary fixing parts. At least one second fastening portion is formed on the surrounding surface of the support portion and extends outward. In principle, the quantity and position of the second fastening portion can be designed according to the specifications of the first fastening portion. In addition, a second vertical distance is defined between the pressing portion and the at least one second fastening portion. The plurality of auxiliary fixing parts are respectively formed on the peripheral surface of the support part and protrude outward.

The supporting portion of each keycap is fitly inserted into a corresponding rib wall, so that at least one first buckling portion and at least one second buckling portion are buckled together to prevent the keycap from falling off from the rib wall. In addition, the plurality of auxiliary fixing parts can abut against the inner wall of the rib wall, so that the keycap can move stably and vertically relative to the upper cover. It should be noted that the ratio of the second vertical distance to the first vertical distance is roughly between 0.7 and 0.9.

Compared with the background technology, the button according to the present invention can move stably vertically without shaking when the user presses it. Along with the diversification of button design, the button of the utility model has high applicability and provides good use quality.

Claims (6)

1. A button, characterized in that it comprises: a bottom plate; a thin film circuit, the thin film circuit is arranged on the bottom plate; an elastic member, the elastic member is arranged on the thin film circuit; an upper cover, the upper cover has a hole, the The upper cover is arranged on the thin film circuit, so that the elastic member is located between the upper cover and the thin film circuit, and the upper cover includes a rib wall, and the rib wall faces a direction away from the elastic member along the circumference of the hole Extending, the rib wall includes at least one first fastening portion formed on an upper end thereof and extending inwardly, wherein a first vertical distance is defined between the at least one first fastening portion and the film circuit; and A keycap, the keycap includes a pressing portion and a supporting portion extending from the lower surface of the pressing portion, the supporting portion includes at least one second buckling portion corresponding to the at least one first buckling portion and a plurality of auxiliary The fixing part, the at least one second fastening part is formed on a peripheral surface of the support part and extends outward, wherein a second vertical distance is defined between the pressing part and the at least one second fastening part, the A plurality of auxiliary fixing parts are respectively formed on the surrounding surface of the supporting part and protrude outward; wherein the supporting part of the keycap is inserted into the rib wall, and the at least one first buckling part and the at least one second The buckling parts are interlocked and the plurality of auxiliary fixing parts abut against an inner wall of the rib wall, so that the keycap can move vertically relative to the upper cover stably, and the second vertical distance is equal to the first vertical distance. The scale is between 0.7 and 0.9. 2. The button according to claim 1, wherein the film circuit has a switch thereon, and the elastic member includes a switch contact end corresponding to the switch. 3. The button according to claim 2, wherein the keycap comprises a central column formed on the lower surface of the pressing portion, and the elastic member has a supporting column corresponding to the central column, when When the keycap moves downward, the central column presses against the support column to deform the elastic member, so that the switch contact end contacts the switch. 4. A keyboard, characterized in that it comprises: a base plate; a thin film circuit, the thin film circuit is arranged on the base plate; a plurality of elastic members, the plurality of elastic members are arranged on the thin film circuit; an upper cover, the upper cover has Corresponding to the plurality of holes of the plurality of elastic members, the upper cover is arranged on the thin film circuit, so that the plurality of elastic members are located between the upper cover and the thin film circuit, the upper cover also includes a plurality of rib walls, the plurality of Each of the rib walls extends in a direction away from a corresponding elastic member along the periphery of a corresponding hole, and each rib wall includes at least one rib wall formed on an upper end of itself and extending inwardly. The first fastening part, wherein a first vertical distance is defined between the at least one first fastening part and the film circuit; and a plurality of keycaps, the plurality of keycaps respectively correspond to the plurality of rib walls, the plurality of keycaps respectively Each of the keycaps includes a pressing portion and a supporting portion extending from the lower surface of the pressing portion, the supporting portion includes at least one second engaging portion corresponding to the at least one first engaging portion and A plurality of auxiliary fixing parts, the at least one second fastening part is formed on a peripheral surface of the support part and extends outward, wherein a second vertical distance is defined between the pressing part and the at least one second fastening part Between them, the plurality of auxiliary fixing parts are respectively formed on the surrounding surface of the supporting part and protrude outward; wherein the supporting part of each keycap fits into a corresponding rib wall, and the at least one first buckle The portion and the at least one second fastening portion are interlocked and the plurality of auxiliary fixing portions abut against an inner wall of the rib wall, so that the keycap can move vertically relative to the upper cover stably, and the second vertical distance is the same as A ratio of the first vertical distance is between 0.7 and 0.9. 5. The keyboard as claimed in claim 4, wherein the thin film circuit has a plurality of switches thereon, and each elastic member includes a switch contact end corresponding to a switch of the plurality of switches. 6. The keyboard according to claim 5, wherein each keycap comprises a central column formed on the lower surface of the pressing portion, and each elastic member has a support corresponding to the central column thereon When the keycap moves downward, the central column presses down against the support column to deform the elastic member, causing the switch contact end to contact the switch.

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