TWI789993B - Keyboard device - Google Patents

Abstract

The present invention discloses a keyboard device including a key structure. The key structure includes a key bottom plate, a key cap, a plurality of first hooks, at least one stabilizer bar, and at least one first reinforcing bar. The key cap includes an outer surface and an inner surface opposite to each other, and the inner surface faces to the key bottom plate. The first hooks are disposed on the inner surface of the key cap. Each first hook includes a first wall, a second wall, and a third wall that are spaced apart from each other, a first through hole is defined in between the first wall and the second wall, and a second through hole is defined between the second wall and the third wall. The stabilizer bar includes a transverse bar part and two hook parts respectively located at two ends of the transverse bar part. The transverse bar part is pivotally connected to the first through hole, and the hook parts are connected to the key bottom plate. The first reinforcing bar penetrates through the second through hole.

Description

keyboard device

The invention relates to the field of input devices, in particular to a keyboard device.

With the rapid development of science and technology, the vigorous development of electronic equipment has brought a lot of convenience to human life, so how to make the operation of electronic equipment more humanized is an important issue. Common input devices of electronic equipment include a mouse device, a keyboard device, and a trackball device, among which the keyboard device can be used for users to directly input characters and symbols into the computer, so it is highly valued.

First, the structure and function of the conventional keyboard device will be described. Please refer to Figures 1 to 3. Figure 1 is a schematic diagram of the appearance and structure of the conventional keyboard device. Schematic diagram, FIG. 3 is a three-dimensional exploded schematic diagram of a part of the structure of the keyboard device shown in FIG. 1 at another viewing angle. For a clearer illustration, only a single button structure 10' and related component structures are shown in FIG. 2 and FIG. 3 . The known keyboard device 1 includes a plurality of key structures 10, 10', a key base plate 11 and a thin film circuit board 12, and the thin film circuit board 12 has a plurality of membrane switches 121 corresponding to the plurality of key structures 10, 10', and the key The structure 10, 10' includes a keycap 101, a scissors-type connecting element 102 and an elastic body 103; wherein, the scissors-type connecting element 102 is connected between the keycap 101 and the key base 11, and includes a first frame 1021 and is pivotally connected to the second A second frame 1022 of a frame 1021, so the first frame 1021 The second frame 1022 and the second frame 1022 can swing relative to each other, and the elastic body 103 is disposed between the keycap 101 and the key bottom plate 11 and has a contact portion 1031 .

When the key cap 101 of any key structure 10, 10' is pressed and moves downward relative to the key base plate 11, the first frame 1021 and the second frame 1022 of the scissor-type connection element 102 will change from the open and closed state to the folded state. The keycap 101 moving downward will squeeze the elastic body 103, so that the abutting portion 1031 of the elastic body 103 will abut and trigger the corresponding membrane switch 121, so that the keyboard device 1 generates a corresponding key signal. And when the keys 10, 10' are no longer pressed, the keycap 101 will move upward relative to the key base 11 in response to the elastic force of the elastic body 103, and at this time the first frame 1021 and the second frame 1022 will be superimposed. The state changes to the open and close state, and the keycap 101 will return to its original position.

Moreover, some button structures 10', such as buttons whose length L1 is greater than the width W1, also include two balance bars 104, and each balance bar 104 includes a cross bar portion 1041 and two Hook 1042. Also, the button bottom plate 11 includes a first bottom plate connecting portion 111 and a second bottom plate connecting portion 112 extending upwards and passing through the film circuit board 12, and the first bottom plate connecting portion 111 has two first hook holes 1111, and the second bottom plate The connecting portion 112 has two second hook holes 1121 respectively corresponding to the two first hook holes 1111 . Wherein, the crossbar portion 1041 of each balance bar 104 is pivotally connected to the keycap 101 of the key structure 10 ′, and the two hooks 1042 of each balance bar 104 pass through the first hook of the first bottom plate connecting portion 111 respectively. The hole 1111 and the second hook hole 1121 of the second bottom plate connecting portion 112 .

Please refer to FIG. 4 , which is a schematic diagram of the movement of the balance bar of the keyboard device shown in FIG. 1 . When the keycap 101 of the key structure 10' moves up or down relative to the key base plate 11, the balance bar 104 will move towards the direction D11 or the direction D12, and turn over towards the direction D13 or the direction D14. The purpose of this design is to make The key structure 10 ′ can maintain balance without tilting when moving up or down relative to the key bottom plate 11 , and can also increase the strength of the key cap 101 .

However, although the strength of the keycap 101 can be increased and the key structure 10' can be kept balanced without tilting when moving through the arrangement of the two balance bars 104, the key structure 10' with weaker material strength or longer length L1 Generally speaking, in the case of only setting two balance bars 104, there will still be problems such as poor driving ability of the corners of the key structure 10' or insufficient strength of the key cap 101. Therefore, how to improve the above problems is really a problem. The focus of attention of relevant personnel in this field.

One of the objectives of the present invention is to provide a keyboard device, the key structure of which has better structural rigidity and the keycap has better corner driving performance during the lifting and moving process.

Other purposes and advantages of the present invention can be further understood from the technical features disclosed in the present invention.

To achieve one or part or all of the above objectives or other objectives, the present invention provides a keyboard device, including a key structure. The key structure includes a key bottom plate, a key cap, a plurality of first hooks, at least one balance bar and at least one first reinforcing bar. The keycap includes an outer surface and an inner surface opposite to each other, and the inner surface faces the key bottom plate. The first hooks are arranged on the inner surface of the keycap, and each first hook includes a first wall, a second wall and a third wall arranged at intervals, and the second wall is located between the first wall and the third wall. Between the three walls, a first through hole is defined between the first wall and the second wall, and a second through hole is defined between the second wall and the third wall. The balance bar includes a cross bar part and two hook parts respectively located at two ends of the cross bar part. The cross bar part is pivotally connected to the first through hole of each first hook, and these hook parts are connected to the key base plate. The first reinforcing rod is passed through the second through hole of each first hook.

In an embodiment of the present invention, among the above-mentioned first hooks, the first hooks respectively located on opposite sides further include ribs, the ribs are connected between the second wall and the third wall, and the second wall The body and the third wall are located between the rib and the inner surface of the keycap, and the second wall, the third wall and the rib define a second through hole.

In an embodiment of the present invention, among the above-mentioned first hooks, the first hooks on opposite sides of the above-mentioned first hooks further include a blocking wall, the blocking wall is connected between the second wall and the third wall, and the blocking wall The wall is located below the rib, and the second through hole is defined by the second wall, the third wall, the rib and the blocking wall.

In an embodiment of the present invention, the above-mentioned key structure further includes a first connection component and a second connection component, both of the first connection component and the second connection component are arranged between the keycap and the key bottom plate, and the first connection component Located on the side of the second connection assembly.

In an embodiment of the present invention, the above-mentioned first connection component has a first side and a second side opposite to each other, the second connection component has a third side and a fourth side opposite to each other, and the second connection of the first connection component The side and the third side of the second connection component are opposite to each other, and there is a distance between the first side of the first connection component and the fourth side of the second connection component, and the keycap is connected by the first connection component and the second connection component. Relative to the bottom plate of the button, it moves up and down along the direction of the first axis, and the first reinforcing rod extends along the direction of the second axis perpendicular to the first axis and has an extension length, and the extension length is greater than the distance.

In an embodiment of the present invention, the above-mentioned button structure further includes a second reinforcing rod, and the keycap further includes a plurality of second hooks, each of which has a third hole through which the second reinforcing rod penetrates. A third through hole is formed in each second hook, and the second reinforcing rod is located between the first connecting component and the second connecting component.

In an embodiment of the present invention, the above keycap further includes at least one first groove, at least one second groove and at least one third groove, the first groove, the second groove and the third groove The grooves are all opened on the inner surface, and the first groove communicates with the first through hole of each first hook, the second groove communicates with the second through hole of each first hook, and the third groove communicates with the first through hole of each first hook. The first groove is used to accommodate the balance bar, the second groove is used to accommodate the first reinforcing rod, and the third groove is used to accommodate the second through hole. Reinforcing rod.

In an embodiment of the present invention, the first reinforcement bar and the cross bar of the balance bar are parallel to each other, and the first reinforcement bar is located between the cross bar of the balance bar and the second reinforcement bar.

In an embodiment of the present invention, the above-mentioned first reinforcing bar and the cross bar of the balance bar are parallel to each other, and the transverse bar of the balance bar is located between the first reinforcing bar and the second reinforcing bar.

In an embodiment of the present invention, the above-mentioned key structure further includes a thin film circuit board disposed between the key cap and the key bottom plate, and the thin film circuit board is used for being triggered by the key structure to output key signals.

In the keyboard device of the embodiment of the present invention, in addition to the balance bar connected between the key cap and the key bottom plate, the key structure additionally adds a first reinforcing bar on one side of the balance bar, so that the structure of the periphery of the key cap and the four corners The strength is greatly improved, coupled with the second reinforcement rod connected to the center of the keycap and corresponding to the two connecting components, the structural strength of the center of the keycap is also greatly improved, so when the user presses the button on the keycap In any position, the keycap can move up and down smoothly relative to the key bottom plate, and there will be no problem of poor driving performance at the corner of the keycap or other positions. In addition, the first hook disposed on the keycap has the structural design of the first through hole and the second through hole at the same time. When the balance bar and the first reinforcing bar pass through the first through hole and the second through hole respectively When the hole is connected to the keycap, the disposition positions between the balance bar and the first reinforcing bar can be concentrated, effectively reducing the space for disposing the balance bar and the first reinforcing bar.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the attached drawings.

1, 2: keyboard device

10, 10’, 20, 20’: button structure

11. 201: Button bottom plate

12, 208: thin film circuit board

101, 202: keycaps

102: Scissors connection element

103:Elastomer

104, 204: balance bar

111: the first bottom plate connecting part

112: the second bottom plate connecting part

121:Membrane switch

1021: First frame

1022: second frame

1031: reach the top

1041, 2041: cross bar

1042, 2042: Hook

1111: the first hook hole

1121: Second hook hole

203, 203a: the first hook

205: The first reinforcing bar

206: The first connection component

207: the second connection component

209: The second reinforcing bar

210: The second hook

2021: Exterior surfaces

2022: Inner surfaces

2031: The first wall

2032: Second wall

2033: The third wall

2034: Ribs

2035: Barrier

2061: first side

2062: second side

2071: Third side

2072: Fourth side

2080: Through the area

A, B: area

A1: first axis

A2: Second axis

D11, D12, D13, D14: direction

G: Spacing

G1: first groove

G2: the second groove

G3: the third groove

H1: The first piercing hole

H2: Second piercing hole

H3: The third piercing hole

L: extension length

L1: length

W1: width

FIG. 1 is a schematic diagram of the appearance and structure of a conventional keyboard device.

FIG. 2 is a three-dimensional exploded schematic diagram of a partial structure of the keyboard device shown in FIG. 1 at a viewing angle.

FIG. 3 is an exploded schematic perspective view of a part of the structure of the keyboard device shown in FIG. 1 at another viewing angle.

FIG. 4 is a schematic diagram of the movement of the balance bar of the keyboard device shown in FIG. 1 .

FIG. 5 is a schematic diagram of the appearance and structure of a keyboard device according to an embodiment of the present invention.

FIG. 6 is a schematic perspective view of the key structure of the keyboard device shown in FIG. 5 .

FIG. 7 is an exploded schematic view of the key structure of the keyboard device shown in FIG. 6 .

FIG. 8 is a schematic bottom view of some components shown in FIG. 7 after being combined.

FIG. 9 is a schematic cross-sectional view along line AA shown in FIG. 6 .

FIG. 10 is a schematic cross-sectional view along line BB shown in FIG. 6 .

FIG. 11 is a schematic structural diagram of the first hooks located in areas A and B shown in FIG. 8 .

Please refer to FIG. 5 to FIG. 11 . FIG. 5 is a schematic diagram of the appearance and structure of a keyboard device according to an embodiment of the present invention. FIG. 6 is a schematic perspective view of the key structure of the keyboard device shown in FIG. 5 . FIG. 7 is an exploded schematic view of the key structure of the keyboard device shown in FIG. 6 . FIG. 8 is a schematic bottom view of some components shown in FIG. 7 after being combined. FIG. 9 is a schematic cross-sectional view along line AA shown in FIG. 6 . FIG. 10 is a schematic cross-sectional view along line BB shown in FIG. 6 . FIG. 11 is a schematic structural diagram of the first hooks located in areas A and B shown in FIG. 8 .

As shown in Fig. 5, the keyboard device 2 of this embodiment includes a plurality of key structures 20, 20'. These button structures 20' can be classified into general keys, number keys, function keys, etc., which are used for The user presses the keyboard device 2 with a finger to generate a corresponding key signal to the computer, and then the computer executes the corresponding function, for example, the general keys are used to input symbols such as English letters, and the numeric keys are used to input numbers. The keys are used to provide various shortcut functions, such as F1-F12, etc., and the key structure 20 is a multiple key such as a space key (Space) or a displacement (Shift) key with a large area and a long length.

In the following description of the embodiments, the key structure 20 of the keyboard device 2 will be taken as an example for illustration, and for a clearer illustration, only a single key structure 20 and related component structures are shown in the following figures.

As shown in FIGS. 6 to 11 , the key structure 20 of this embodiment includes a key bottom plate 201 , a key cap 202 , a plurality of first hooks 203 , 203 a , at least one balance bar 204 and at least one first reinforcing bar 205 . The keycap 202 includes an outer surface 2021 and an inner surface 2022 opposite to each other. The keycap 202 is disposed above the key base 201 , and the inner surface 2022 of the key cap 202 faces the key base 201 . The first hooks 203, 203a are disposed on the inner surface 2022 of the keycap 202, and each first hook 203, 203a includes a first wall 2031, a second wall 2032, and a third wall 2033 spaced apart from each other. , the second wall 2032 is located between the first wall 2031 and the third wall 2033, and a first through hole H1 is defined between the first wall 2031 and the second wall 2032, the second wall 2032 and the second wall 2032 A second through hole H2 is defined between the third walls 2033 . The balance bar 204 includes a cross bar part 2041 and two hook parts 2042 respectively located at two ends of the cross bar part 2041. The balance bar 204 is pivotally connected to the first through hole H1 of each first hook 203, 203a by the cross bar part 2041. And connected to the keycap 202 , the balance bar 204 is connected to the key base 201 by the hooks 2042 . The first reinforcing rod 205 passes through the second through hole H2 of each first hook 203 , 203 a and is connected to the keycap 202 .

It should be noted that, in this embodiment, the number of balance poles 204 is, for example, two, and the number of first reinforcing poles 205 is, for example, two, but the present invention is not limited to balance poles 204 and the number of first reinforcing rods 205. The two balance bars 204 are respectively located on the upper and lower sides of the keycap 202 , and the two first reinforcing bars 205 are respectively disposed on one side of the balance bar 204 located on the upper and lower sides. Moreover, the first hooks 203 , 203 a are evenly distributed on the upper and lower sides of the inner surface 2022 of the keycap 202 for passing the balance bar 204 and the first reinforcing bar 205 on the upper and lower sides of the keycap 202 .

As shown in FIGS. 6 to 10 , the button structure 20 of this embodiment further includes a first connection component 206 and a second connection component 207 . Both the first connection component 206 and the second connection component 207 are disposed between the keycap 202 and the key base 201, and the first connection component 206 is located on one side of the second connection component 207, that is, the first connection component 206 and The second connection components 207 are respectively located on opposite left and right sides. The keycap 202 moves up and down relative to the key base 201 through the first connection component 206 and the second connection component 207 . In this embodiment, the first connecting component 206 and the second connecting component 207 are, for example, scissor-type connecting components, but the present invention is not limited thereto. In other embodiments, the first connecting component 206 and the second connecting component Assembly 207 is, for example, a butterfly connection assembly.

As shown in FIGS. 6 to 9 , the button structure 20 of this embodiment further includes a thin film circuit board 208 . The thin film circuit board 208 is disposed between the keycap 202 and the key base 201 . In this embodiment, the thin film circuit board 208 has a plurality of penetrating regions 2080 , and the number of the penetrating regions 2080 is not limited in the present invention. The first connection component 206 and the second connection component 207 are connected between the keycap 202 and the key base 201 through the corresponding through area 2080 respectively. Specifically, a membrane switch (not shown) is disposed on the thin film circuit board 208, and when the key cap 202 moves downward relative to the key base plate 201 through the first connection component 206 and the second connection component 207, it is disposed on the The elastic element (not shown) in the keycap 202 will deform to trigger the membrane switch on the membrane circuit board 208 and output a key signal correspondingly.

As shown in FIG. 7 and FIG. 8 , the first connection component 206 of this embodiment has a first side 2061 and a second side 2062 opposite to each other, and the second connection component 207 has a third side 2071 and a fourth side 2072 opposite to each other. Wherein the second side 2062 of the first connection component 206 and the third side 2071 of the second connection component 207 are opposite to each other, that is to say, the second side 2062 and the third side 2071 are located between the first side 2061 and the fourth side 2072 , and there is a distance G between the first side 2061 of the first connection component 206 and the fourth side 2072 of the second connection component 207 . In this embodiment, the keycap 202 moves up and down relative to the key base 201 along the first axis A1 through the first connecting component 206 and the second connecting component 207, and the first reinforcing rod 205 moves along the second axis. The direction of A2 extends to have an extension length L, the first axis A1 and the second axis A2 are perpendicular to each other, and the extension length L of the first reinforcing rod 205 is greater than the distance between the first connection component 206 and the second connection component 207 g. Under such a structural design, the first reinforcing rods 205 on the upper and lower sides can be extended to the four corners close to the keycap 202, so that the structural strength of the periphery of the keycap 202 and the four corners is greatly improved, and the key The cap 202 moves up and down stably relative to the bottom plate of the key, which effectively solves the problem of poor driving performance at the corner of the key cap 202 .

As shown in FIG. 6 to FIG. 9 and FIG. 11 , among the first hooks 203 of this embodiment, the first hooks 203 a located on opposite sides are respectively located in area A and area B as shown in FIG. 8 . The structure of the first hook 203a is slightly different from other first hooks 203. The first hook 203a located in area A and area B has a first wall 2031, a second wall 2032 and a third wall In addition to 2033 , there are ribs 2034 and blocking walls 2035 . As shown in FIG. 11, the rib 2034 of the first hook 203a is connected between the second wall 2032 and the third wall 2033, and the second wall 2032 and the third wall 2033 are located between the rib 2034 and the keycap 202. between the inner surfaces 2022. The blocking wall 2035 is connected between the second wall body 2032 and the third wall body 2033, and the blocking wall 2035 is located below the rib 2034, that is to say, the first wall located in the area A and the area B The second through hole H2 of the hook 203 a is mainly defined by the second wall 2032 , the third wall 2033 , the rib 2034 and the blocking wall 2035 .

Based on the above, when the first reinforcing rod 205 is pierced through the second through hole H2 of each first hook 203, 203a and connected to the keycap 202, the opposite two ends of the first reinforcing rod 205 are respectively pierced. The first hook 203a located in the area A and area B makes the two ends of the first reinforcing rod 205 supported by the rib 2034 and blocked by the blocking wall 2035, so as to prevent the first reinforcing rod 205 from facing each other on the keycap 202. The key bottom plate 201 falls off from the first hooks 203, 203a during the lifting movement.

As shown in FIG. 7 , FIG. 8 and FIG. 10 , the key structure 20 of this embodiment further includes a second reinforcing rod 209 , and the keycap 202 further includes a plurality of second hooks 210 . Each second hook 210 has a third through hole H3, and the second reinforcing rod 209 is connected to the keycap 202 through the third through hole H3 of each second hook 210, and due to these second The hooks 210 are distributed between the first connecting component 206 and the second connecting component 207, so when the second reinforcing bar 209 is connected to the keycap 202 through these second hooks 210, the second reinforcing bar 209 is also the same It is located between the first connection component 206 and the second connection component 207 . In this embodiment, the second reinforcing rod 209 is bent into a U-shaped configuration, for example. When the second reinforcing rod 209 is connected to the keycap 202 through the second hooks 210, the second The reinforcing bar 209 can enhance the structural strength of the central area of the keycap 202 .

It should be noted that, in this embodiment, the first reinforcement bar 205 and the cross bar portion 2041 of the balance bar 204 are parallel to each other, and the first reinforcement bar 205 is located between the cross bar portion 2041 of the balance bar 204 and the second reinforcement bar 209 In between, that is, the first reinforcing rod 205 is arranged on the inside of the balance rod 204, but the present invention is not limited thereto. In other embodiments, the first reinforcing rod 205 can also be arranged on the outside of the balance rod 204, or That is, the cross bar portion 2041 of the balance bar 204 is located between the first reinforcing bar 205 and the second reinforcing bar 209 .

As shown in FIGS. 7 to 11 , the keycap 202 of this embodiment further includes at least one first groove G1 , at least one second groove G2 and at least one third groove G3 . In this embodiment, the number of the first groove G1 and the second groove G2 is, for example, two, and the number of the third groove G3 is, for example, one, but the present invention is not limited thereto. The first grooves G1, the second grooves G2 and the third grooves G3 are all opened on the inner surface 2022 of the keycap 202, and the first grooves G1 are connected with the first hooks of each first hook 203, 203a. The piercing hole H1 communicates, the second groove G2 communicates with the second piercing hole H2 of each first hook 203, 203a, and the third groove G3 communicates with the third piercing hole H3 of the second hook 210 , and the configuration of the third groove G3 matches the U-shaped configuration of the second reinforcing bar 209 . In this embodiment, the first grooves G1 are used to accommodate the balance bars 204, the second grooves G2 are used to accommodate the first reinforcement rods 205, and the third grooves G3 are used to accommodate the second reinforcement rods. With such a structural design of the rod 209 , the overall thickness of the key structure 20 can be greatly reduced.

To sum up, in the keyboard device of the embodiment of the present invention, in addition to the balance bar connected between the keycap and the key base, the key structure additionally adds a first reinforcing bar on one side of the balance bar, so that the periphery of the keycap and the The structural strength of the four corners is greatly improved, coupled with the second reinforcement rod connected to the center of the keycap and corresponding to the two connecting components, the structural strength of the central part of the keycap is also greatly improved, so when the user When any position on the keycap is pressed, the keycap can move up and down smoothly relative to the bottom plate of the key, and there will be no problem of poor driving performance at the corner of the keycap or other positions. In addition, the first hook disposed on the keycap has the structural design of the first through hole and the second through hole at the same time. When the balance bar and the first reinforcing bar pass through the first through hole and the second through hole respectively When the hole is connected to the keycap, the disposition positions between the balance bar and the first reinforcing bar can be concentrated, effectively reducing the space for disposing the balance bar and the first reinforcing bar.

But what is described above is only a preferred embodiment of the present invention, and should not limit the scope of implementation of the present invention with this, that is, all simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the description of the invention, All still belong to the scope covered by the patent of the present invention. In addition, any embodiment or scope of claims of the present invention does not necessarily achieve all the objectives or advantages or features disclosed in the present invention. In addition, the abstract and the title are only used to assist the search of patent documents, and are not used to limit the scope of rights of the present invention. In addition, terms such as "first" and "second" mentioned in this specification or the scope of the patent application are only used to name elements (elements) or to distinguish different embodiments or ranges, and are not used to limit the number of elements. upper or lower limit.

202: keycap

203, 203a: the first hook

204: balance bar

205: The first reinforcing bar

206: The first connection component

207: the second connection component

209: The second reinforcing bar

210: The second hook

2022: Inner surfaces

2031: The first wall

2032: Second wall

2033: The third wall

2034: Ribs

2041: cross bar

2042: hook

2061: first side

2062: second side

2071: Third Side

2072: Fourth side

A, B: area

A1: first axis

A2: Second axis

G: Spacing

G1: first groove

G2: the second groove

G3: the third groove

H1: The first piercing hole

H2: Second piercing hole

H3: The third piercing hole

L: extension length

Claims (10)

A keyboard device, comprising: a key structure, including: a key bottom plate; a key cap, including an outer surface and an inner surface opposite to each other, the inner surface facing the key bottom plate; a plurality of first hooks, arranged on the On the inner surface of the keycap, each first hook includes a first wall, a second wall, and a third wall spaced apart from each other, and the second wall is located between the first wall and the second wall. Between the three walls, a first through hole is defined between the first wall and the second wall, and a second through hole is defined between the second wall and the third wall ; at least one balance bar, including a cross bar part and two hook parts respectively located at the two ends of the cross bar part, the cross bar part is pivotally connected to the first through hole of each first hook, and the hook parts are connected on the bottom plate of the button; and at least one first reinforcing rod, which is arranged in the second through hole of each first hook; wherein the first hooks on the opposite sides of the first hooks are more A rib is included, the rib is connected between the second wall and the third wall, and the second wall and the third wall are located between the rib and the inner surface of the keycap, the first The second through hole is defined by the second wall, the third wall and the rib. The keyboard device as described in claim 1, wherein the first hooks on opposite sides of the first hooks further include a blocking wall, and the blocking wall is connected to the second wall and the third wall. Between the walls, and the blocking wall is located below the rib, the second wall, the third wall, the rib and the blocking wall define the second through hole. The keyboard device as described in claim 1, wherein the key structure further includes a first connection component and a second connection component, both of the first connection component and the second connection component are arranged between the key cap and the key bottom plate between, and the first connecting component is located on one side of the second connecting component. The keyboard device as described in claim 3, wherein the first connection component has a first side and a second side opposite to each other, the second connection component has a third side and a fourth side opposite to each other, the The second side of the first connection component and the third side of the second connection component are opposite to each other, and there is a distance between the first side of the first connection component and the fourth side of the second connection component , the keycap moves up and down relative to the key base along a direction of a first axis through the first connecting component and the second connecting component, and the at least one first reinforcing rod moves along a direction perpendicular to the first axis The direction of a second axis extends to have an extension length, and the extension length is greater than the distance. The keyboard device as described in claim 3, wherein the key structure further includes a second reinforcing rod, the keycap further includes a plurality of second hooks, each second hook has a third through hole, and the first Two reinforcing rods are passed through the third through holes of each second hook, and the second reinforcing rods are located between the first connecting component and the second connecting component. The keyboard device as described in claim 5, wherein the keycap further includes at least one first groove, at least one second groove and at least one third groove, the at least one first groove, the at least one second Both the groove and the at least one third groove are opened on the inner surface, and the at least one first groove communicates with the first through hole of each first hook, and the at least one second groove communicates with each The second through hole of a first hook communicates, the at least one third groove communicates with the third through hole of each second hook, and the at least one first groove is used to accommodate the at least one balance bar, the at least A second groove is used for accommodating the at least one first reinforcing rod, and the at least one third groove is used for accommodating the second reinforcing rod. The keyboard device according to claim 5, wherein the at least one first reinforcing bar and the cross bar of the at least one balance bar are parallel to each other, and the at least one first reinforcing bar is located on the cross bar of the at least one balance bar between the part and the second reinforcing rod. The keyboard device as claimed in item 5, wherein the at least one first reinforcing bar and the cross bar of the at least one balance bar are parallel to each other, and the cross bar of the at least one balance bar is located at the at least one first reinforcing bar between the rod and the second reinforcing rod. The keyboard device as described in claim 1, wherein the key structure further includes a thin film circuit board, the thin film circuit board is arranged between the key cap and the key bottom plate, and the thin film circuit board is used to be triggered by the key structure to output One key signal. A keyboard device, comprising: a key structure, including: a key bottom plate; a key cap, including an outer surface and an inner surface opposite to each other, the inner surface facing the key bottom plate; a plurality of first hooks, arranged on the On the inner surface of the keycap, each first hook includes a first wall, a second wall, and a third wall spaced apart from each other, and the second wall is located between the first wall and the second wall. Between the three walls, a first through hole is defined between the first wall and the second wall, and a second through hole is defined between the second wall and the third wall ; at least one balance bar, including a cross bar part and two hook parts respectively located at the two ends of the cross bar part, the cross bar part is pivotally connected to the first through hole of each first hook, and the hook parts are connected on the keypad; and At least one first reinforcing rod is passed through the second through hole of each first hook; wherein the button structure further includes a first connection component and a second connection component, and the first connection component and the second connection component Both connecting components are disposed between the keycap and the key base, and the first connecting component is located on one side of the second connecting component; and the first connecting component has a first side and a second opposite to each other side, the second connection component has a third side and a fourth side opposite to each other, the second side of the first connection component and the third side of the second connection component are opposite to each other, and the first connection There is a distance between the first side of the component and the fourth side of the second connection component, and the keycap is relative to the key base along a first axis through the first connection component and the second connection component The at least one first reinforcing rod extends along a direction of a second axis perpendicular to the first axis and has an extension length, and the extension length is greater than the distance.

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