TWI796139B - Keyboard device - Google Patents

Abstract

A keyboard device includes a substrate and a composite key structure. The substrate has an assembly area, and the assembly area is provided with a first assembly element and a second assembly element. The composite key structure is disposed on the assembly area and includes a key cap, a first linkage member and a second linkage member integrally combined with each other. The keycap has a first side and a second side. The first linkage member has a first connection side and a first assembly side, a first flexible portion is integrally connected between the first connection side and the first side, the first assembly side is movably connected to the first assembly element, and the second linkage member has a second connection side and a second assembly side, a second flexible portion is integrally connected between the second connection side and the second side, and the second assembly side is movably connected to the second assembly element.

Description

keyboard device

The present invention relates to an input device, in particular to a keyboard device.

The keyboard is one of the most common input devices for electronic devices at present. For example, computer products (such as notebook computers, desktop computers, or tablet computers) that are often used in daily life, or large-scale industrial control equipment or processing equipment, keyboards are often used. to perform operations or text input.

Generally speaking, the key structure of the keyboard mainly includes independent keycaps, linkage components (such as scissor connectors) and bottom plates. The linkage components are assembled between the keycaps and the bottom plate to support the keycaps and guide the keycaps. lift. However, each component (keycap, linkage assembly, and bottom plate) of this key structure needs to be produced using different molds, which has the problem of high manufacturing cost. In addition, in the process of assembling the key structure, it is also necessary to spend manpower to assemble the linkage components first, and then assemble the linkage components to the keycap and the bottom plate respectively, which has the disadvantage of high labor cost.

In view of the above, in one embodiment, a keyboard device including a substrate and a composite key structure is provided. The base plate includes a top surface, the top surface has an assembly area, and the first assembly part and the second assembly part are arranged on the assembly area. The composite button structure is arranged on the assembly area, and the composite button structure includes a keycap integrally combined with each other, a first link and a second link, wherein the keycap includes a first side and a second side opposite to each other, and the first link It includes a first connection side and a first assembly side opposite to each other, and a first flexible part is integrally connected between the first connection side and the first side of the keycap, so that the first link can swing relative to the keycap, and the first The assembly side is movably connected to the first assembly part of the base plate, and a first pivot member is provided between the first connection side and the first assembly side, and the second linkage part includes a second connection side and a second assembly side, the second connecting side is integrally connected with the second flexible part between the second side of the keycap, so that the second link can swing relative to the keycap, and the second assembly side is movably connected to the second assembly of the base plate A second pivotal member is provided between the second connection side and the second assembly side, and the second pivotal member is pivotally arranged on the first pivotal member of the first linkage member.

To sum up, according to the keyboard device of the embodiment of the present invention, through the integral combination of the keycap, the first linkage and the second linkage of the composite key structure, the entire composite key structure can be produced by the same set of molds. In addition, in the assembly process, after the first linkage and the second linkage are combined, only need to be installed on the base plate to complete the assembly operation, so as to achieve the effect of reducing manufacturing and labor costs.

It should be noted that in the description of various embodiments, the so-called "first" and "second" are used to describe different elements, and these elements are not limited by such predicates. In addition, for the convenience and clarity of description, the thickness or size of each element in the drawings is expressed in an exaggerated or omitted or approximate manner for the understanding and reading of those skilled in the art, and the size of each element is not It is not entirely its actual size, and it is not used to limit the conditions for the implementation of the present invention, so it has no technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size will not affect the production of the present invention. The effects and goals that can be achieved should still fall within the scope covered by the technical content disclosed in the present invention. The same reference numbers will be used throughout the drawings to refer to the same or similar elements.

Fig. 1 is a perspective view of an embodiment of the keyboard device of the present invention, and Fig. 2 is a partially exploded perspective view of an embodiment of the keyboard device of the present invention. As shown in FIG. 1 and FIG. 2 , the keyboard device 1 of this embodiment includes a substrate 10 and a plurality of composite key structures 20 . The keyboard device 1 can be applied to various electronic products (such as input devices of desktop computers, notebook computers, or other electronic devices) for users to press to generate corresponding signals.

As shown in Figures 1 and 2, the substrate 10 can be a hard plate made of metal (such as iron, aluminum or alloy, etc.) or plastic material, the substrate 10 includes a top surface 11, and the top surface 11 has a plurality of assembly areas 12 , wherein each assembly area 12 is an area on the substrate 10 for corresponding assembly of each composite key structure 20 (such as a square area shown in FIG. 2 ). Taking one of the assembly areas 12 as an example, at least one first assembly part 121 and at least one second assembly part 122 may be disposed on the assembly area 12 . In this embodiment, the number of first assembly parts 121 is two, and the two first assembly parts 121 are spaced apart from each other and adjacent to one side of the assembly area 12, and the number of second assembly parts 122 is also two, two. The second assembly parts 122 are spaced apart from each other and adjacent to the other side of the assembly area 12 .

As shown in Figure 2, in this embodiment, each first assembly 121 and each second assembly 122 are hook seats (here L-shaped hook seats, but can also be U-shaped or T-shaped hook seats), but this is not limited, each first assembly 121 and each second assembly 122 can also be independent components and assembled on the assembly area 12 of the substrate 10 .

Fig. 3 is a partial sectional view of an embodiment of the keyboard device of the present invention, and Fig. 4 is a motion diagram of an embodiment of the keyboard device of the present invention. As shown in FIGS. 2 to 4 , taking one composite key structure 20 as an example, the composite key structure 20 is arranged above the assembly area 12 and includes a keycap 21 , a first linkage 23 and a second linkage 25 integrated with each other. For example, the keycap 21 , the first linkage 23 and the second linkage 25 can be integrally manufactured through casting or injection molding instead of independent components.

2 to 4, the keycap 21 has a first side 211 and a second side 212, wherein the first side 211 and the second side 212 are opposite sides of the keycap 21. In addition, in this embodiment, The keycap 21 includes a cover plate 213 and a brim 214. The cover plate 213 covers the first assembly part 121 and the second assembly part 122 on the assembly area 12. The brim 214 is integrally connected to the periphery of the cover plate 213 and protrudes toward the direction of the substrate 10. stretch.

As shown in FIG. 2 to FIG. 4 , the first linkage 23 includes a first connecting side 231 and a first assembly side 232 opposite to each other, and the first connecting side 231 and the first side 211 of the keycap 21 are integrally connected to each other. The first flexible part 24 enables the first link 23 to swing relative to the keycap 21 based on the flexibility of the first flexible part 24, wherein the thickness of the first flexible part 24 can be smaller than that of the first link. The thickness of the part 23 and the keycap 21 , for example, the thickness of the first flexible part 24 can be less than half the thickness of the first linking part 23 , so that the first flexible part 24 has better flexibility.

As shown in Figures 2 to 4, the first assembly side 232 of the first linkage 23 is movably connected to the first assembly 121 of the base plate 10, where the first assembly side 232 of the first linkage 23 has two The first shaft 2321 and the two first shafts 2321 are engaged with the two first assembly parts 121 respectively, so that the first assembly side 232 can rotate or/and slide relative to the two first assembly parts 121 .

As shown in FIGS. 2 to 4 , the second linkage 25 includes a second connection side 251 and a second assembly side 252 opposite to each other. The second connection side 251 and the second side 212 of the keycap 21 are integrally connected to the second The flexible part 26 enables the second link 25 to swing relative to the keycap 21 based on the flexibility of the second flexible part 26, wherein the thickness of the second flexible part 26 can be smaller than that of the second link 25 and The thickness of the keycap 21 , for example, the thickness of the second flexible portion 26 can be less than half the thickness of the second link 25 , so that the second flexible portion 26 can have better flexibility.

As shown in FIGS. 2 to 4, the second assembly side 252 of the second linkage 25 is movably connected to the second assembly 122 of the base plate 10. Here, the second assembly side 252 of the second linkage 25 has two The second shaft 2521 , and the two second shafts 2521 are engaged with the second assembly part 122 respectively, so that the second assembly side 252 can rotate or/and slide relative to the two second assembly parts 122 .

As shown in Figures 2 to 4, at least one first pivotal member 233 is further provided between the first connecting side 231 and the first assembly side 232 of the first linking member 23, and the second connecting side of the second linking member 25 251 and the second assembly side 252 are further provided with a second pivotal piece 253, the second pivotal piece 253 of the second linking piece 25 is pivotally arranged on the first pivotal piece 233 of the first linking piece 23, so that the first The linking member 23 and the second linking member 25 can be pivotally expanded or retracted relative to each other with the positions of the first pivotal member 233 and the second pivotal member 253 as axes.

FIG. 5 is a perspective view of the first embodiment of the compound key structure of the present invention, and FIG. 6 is a cross-sectional view of the first embodiment of the compound key structure of the present invention. As shown in Figure 3, Figure 5 and Figure 6, the first linkage 23 and the second linkage 25 can be scissor linkages (scissor), in this embodiment, the first linkage 23 is an outer frame (in This is a rectangular frame), the second linkage 25 is an inner frame (rectangular frame here), and the size of the first linkage 23 is greater than the size of the second linkage 25, so that the first linkage 23 can be sleeved on The outside of the second linkage 25. Here, the first linkage member 23 is provided with two first pivotal members 233, and the two first pivotal members 233 are respectively located on opposite sides of the first linkage member 23, and each first pivotal member 233 includes a long slot 234, The second link 25 is provided with two second pivots 253, and the two second pivots 253 are respectively located on the opposite sides of the second link 25, and each second pivot 253 is a pivot to pivot on the long Inside the slot 234 , each second pivot member 253 can slide and rotate relative to the long slot 234 .

Thereby, as shown in FIG. 3 , when the keycap 21 is not pressed, it can be elastically supported by an elastic body (not shown in the figure) at a height position to keep a distance from the substrate 10. At this time, the first link 23 It and the second linkage 25 are in an unfolded state crossing each other. 3 and 4, when the keycap 21 is pressed and moves toward the substrate 10, the first flexible part 24 and the second flexible part 26 can be bent under force, so that the first link 23 and The second linkage 25 swings relative to the keycap 21 to drive the first assembly side 232 of the first linkage 23 to rotate or/and slide relative to the first assembly 121 and to drive the second assembly of the second linkage 25 Side 252 rotates and/or slides relative to second assembly 122 . In addition, the size of the long slot 234 of the first pivotal member 233 is slightly larger than that of the second pivotal member 253 so that the second pivotal member 253 can move with a horizontal component in the long slot 234 of the first pivotal member 233 Therefore, during the swinging process of the first linkage 23 and the second linkage 25, the second pivot 253 can slide and rotate relative to the long groove 234 of the first pivot 233, please refer to Fig. 3 and As shown in FIG. 4 , when the keycap 21 is not pressed, the second pivotal member 253 is located on the right side of the long slot 234 , and when the keycap 21 is pressed, the second pivotal member 253 slides to the left side of the long slot 234 , so that the first linkage 23 and the second linkage 25 can be swung and folded relative to each other (as shown in FIG. 4 ), and then the keycap 21 can be smoothly lowered to approach the substrate 10 .

In summary, according to the keyboard device 1 of the embodiment of the present invention, the keycap 21, the first linkage 23 and the second linkage 25 of the compound key structure 20 are integrally formed, so that the keycap 21, the first linkage 23 And the second linkage 25 can be produced by the same set of molds, which greatly reduces the manufacturing cost. In addition, during the assembly process, after the first linkage 23 and the second linkage 25 are combined, they only need to be installed on the base plate 10 to complete the assembly operation, thereby achieving the effect of reducing labor costs. The matching diagram is described in detail as follows.

FIG. 7 is a schematic diagram of the assembly of the first embodiment of the compound key structure of the present invention. As shown in Figures 5 and 6, after the keycap 21, the first linkage 23, and the second linkage 25 of the compound key structure 20 are integrally manufactured, the three can be arranged side by side on the same plane, but this is not a limitation. . As shown in Figures 5 to 7, in the assembly process, only need to manipulate the first linkage 23 and the second linkage 25 to fold towards the bottom of the keycap 21 respectively, so that the first linkage 23 and the second The linking parts 25 are close to each other and are pivotally connected to each other by the first pivotal part 233 and the second pivotal part 253 , so as to achieve the advantages of fast and convenient assembly. Next, assemble the first assembly side 232 of the first linkage 23 on the first assembly 121 on the substrate 10 and assemble the second assembly side 252 of the second linkage 25 on the second assembly 122 on the substrate 10 The assembly work can be completed. Therefore, after the first link 23 and the second link 25 are combined with each other, it is not necessary to spend manpower to assemble the keycap 21, so as to achieve the effect of reducing the assembly process and labor costs, and the keycap 21 does not need to be provided for the first link. The component 23 and the second linkage 25 are installed to further reduce the material cost.

As shown in Figure 7, in this embodiment, the first pivotal member 233 of the first linkage 23 further includes an assembly opening 235, the assembly opening 235 communicates with the long slot 234, and the width of the assembly opening 235 is smaller than that of the second pivot. The width of the connecting member 253 , for example, the width of the assembly opening 235 may be 1/2˜4/5 of the width of the second pivoting member 253 . Thereby, during the assembly process of the first linkage 23 and the second linkage 25 , the assembler can push the second pivot 253 through the assembly opening 235 to snap into the long slot of the first pivot 233 234 to prevent the second pivotal member 253 from breaking away from the elongated slot 234 during the actuation process.

As shown in FIG. 7 , in this embodiment, the first link 23 is further provided with at least one guiding slope 236 , and the guiding slope 236 is connected to the edge of the assembly opening 235 . In this way, during the assembly process of the first linkage 23 and the second linkage 25, the second pivot 253 can smoothly move toward the assembly opening 235 through the guide of the guide slope 236 and be buckled through the assembly opening 235. fit in the slot 234, and reduce the interference between the first link 23 and the second link 25 during assembly. In addition, in this embodiment, the long groove 234 further has an arc-shaped surface 2341. In addition, as shown in FIG. 3 and FIG. During the process, the second pivot member 253 slides relative to the long groove 234 along the arc surface 2341, that is, the arc surface 2341 can better conform to the movement path of the second pivot member 253, so that the pivot member 253 can be more stable and reduce interference with the long groove 234 during the sliding process.

As shown in FIG. 3 , FIG. 4 and FIG. 6 , in this embodiment, the first flexible portion 24 and the second flexible portion 26 are integrally connected to the brim 214 near the bottom of the substrate 10 , whereby the composite button structure 20 During the assembly and operation process, the bending range of the first flexible part 24 and the second flexible part 26 can be reduced to reduce the stress, which makes the assembly of the first linkage 23 and the second linkage 25 easier and improves the use. life. However, the above-mentioned embodiment is only an example, and the first flexible portion 24 and the second flexible portion 26 may also be integrally connected to different positions of the keycap 21 (such as the edge of the cover plate 213 ), which is not limited thereto.

FIG. 8 is a plan view of the second embodiment of the compound key structure of the present invention, and FIG. 9 is a plan view of the third embodiment of the compound key structure of the present invention. As shown in Figure 8, in this embodiment, the first flexible part 24 can be provided with at least one first hollow part 241 (here the first hollow part 241 is a hollow hole), and the second flexible part 26 can be provided with At least one second hollow part 261 (the second hollow part 261 is a hollow hole here). In this way, when the keycap 21 is pressed to drive the first flexible portion 24 and the second flexible portion 26 to bend, the first hollow portion 241 and the second hollow portion 261 can reduce the number of the first flexible portion 24 and the second flexible portion. The stress on the flexible part 26 increases the service life of the first flexible part 24 and the second flexible part 26 .

Or, as shown in FIG. 9 , in this embodiment, the number of the first hollows 241 of the first flexible portion 24 can also be multiple, and the plurality of first hollows 241 are spaced from each other, and the second flexible The number of the second hollow portions 261 of the portion 26 can also be multiple, and the multiple second hollow portions 261 are arranged at intervals from each other. Thereby, compared with the above-mentioned embodiment of FIG. 8 , the hollow areas of the first flexible portion 24 and the second flexible portion 26 can be reduced. Therefore, when the keycap 21 is pressed, the first flexible portion 24 is driven When bending with the second flexible part 26, in addition to reducing the stress on the first flexible part 24 and the second flexible part 26, the first flexible part 24, the second flexible part 26 and the keycap 21 A certain connection strength can also be maintained between them.

In some embodiments, the keycap 21, the first link 23, the first flexible part 24, the second link 25 and the second flexible part 26 can use the same resin material, such as polycarbonate (Polycarbonate, PC), polypropylene (Polypropylene, PP), acrylonitrile-butadiene-styrene copolymer (Acrylonitrile Butadiene Styrene, ABS), polymethylmethacrylate (Polymethylmethacrylate, PMMA) or a mixture of at least two of the above materials Made of synthetic resin material.

In some embodiments, the keycap 21, the first linkage 23, the first flexible portion 24, the second linkage 25, and the second flexible portion 26 can also be made by double-material injection molding and can be different in size. materials (as shown in Figure 10 to Figure 15). For example, as shown in FIG. 10 , in this embodiment, the first linking member 23 and the first flexible portion 24' are made of the same material, and the keycap 21 and the first flexible portion 24' are made of different materials.

Alternatively, in some embodiments, the first link 23 and the keycap 21 may also be made of the same material, while the first flexible portion 24 is made of different materials. For example, as shown in FIG. 11 , in this embodiment, the keycap 21 has a slot 215a, where the slot 215a is a long slot and is arranged on the first side 211 of the keycap 21, the first flexible portion 24a and the key The cap 21 is made of different materials, and the first flexible portion 24a has a first fitting portion 242a. After the double-material injection molding process, the first fitting portion 242a of the first flexible portion 24a can be integrated into the fitting groove 215a to increase the joint area between the first flexible portion 24a and the keycap 21, thereby The connection strength between the first flexible portion 24a and the keycap 21 is improved to further increase the service life.

As shown in FIG. 12, in this embodiment, the keycap 21 has a slot 215b, where the slot 215b is a triangular groove and is arranged on the first side 211 of the keycap 21, the first flexible portion 24b The material is different from that of the keycap 21, and the first flexible portion 24b has a first fitting portion 242b. After the double injection molding process, the first fitting portion 242b of the first flexible portion 24b can be integrally fitted into the fitting groove 215b to increase the bonding area between the first flexible portion 24b and the keycap 21 . In addition, through the triangular shape of the socket 215b, the pull-out resistance of the first flexible portion 24b can be improved, thereby improving the connection strength between the first flexible portion 24b and the keycap 21 to further increase the service life.

As shown in FIG. 13, in this embodiment, the keycap 21 has a slot 215c. Here, the section of the slot 215c has an opening 2151 and a bottom 2152, and the width of the opening 2151 is smaller than the width of the bottom 2152. The embedding groove 215c is formed to be narrow on the outside and wide on the inside. The first flexible portion 24c and the keycap 21 are made of different materials, and the first flexible portion 24c has a first fitting portion 242c. After the double-material injection molding process, the first fitting portion 242c of the first flexible portion 24c can be integrally fitted into the fitting groove 215c, so as to increase the bonding area between the first flexible portion 24c and the keycap 21. In addition, Through the shape of the slot 215c being narrow on the outside and wide on the inside, the pull-out resistance of the first flexible part 24c can be improved, thereby improving the connection strength between the first flexible part 24c and the keycap 21 to further increase the use life.

As shown in FIG. 14, in this embodiment, the keycap 21 has a slot 215d. Here, the slot 215d includes a first slot 216 and a second slot 217 spaced apart from each other. The first flexible portion 24d The material is different from that of the keycap 21, and the first flexible portion 24d has a first fitting portion 242d. After the double-material injection molding process, the first fitting part 242d is fitted into the first fitting groove 216 and the second fitting groove 217, thereby, through the first fitting part 242d, fitting into a plurality of fitting grooves (first slot 216 and second slot 217), the bonding area between the first flexible portion 24d and the keycap 21 can be further increased, thereby improving the connection strength between the first flexible portion 24d and the keycap 21 to further Increase service life.

As shown in FIG. 15, in this embodiment, the keycap 21 has a slot 215e. Here, the slot 215e includes a first slot 216' and a second slot 217' spaced apart from each other, and the first slot The depth of the groove 216' is different from that of the second slot 217' (here the depth of the first slot 216' is greater than the depth of the second slot 217'), and the first flexible portion 24e is different from the keycap 21 material, the first flexible portion 24e has a first fitting portion 242e. After the process of double injection molding, the first fitting part 242e is fitted into the first fitting groove 216' and the second fitting groove 217', thereby, through the first fitting part 242e, it fits into a plurality of different depths. The slots (the first slots 216' and the second slots 217'), in addition to increasing the bonding area between the first flexible portion 24e and the keycap 21, can also improve the resistance of the first flexible portion 24e. Pulling ability, thereby improving the connection strength between the first flexible portion 24e and the keycap 21 to further increase the service life.

As shown in Figures 10 to 15, in the embodiment where the first flexible parts 24', 24a~24e and the keycap 21 are made of different materials, the first flexible parts 24', 24a~24e can be made of higher strength or More flexible materials to further increase the service life. For example, the first flexible parts 24', 24a-24e can be made of materials such as rubber, silicon rubber or plastic steel (Polyoxymethylene, POM), wherein the plastic steel material has strong rigidity, good elasticity and can withstand high loads and stresses. It can effectively improve the service life of the first flexible parts 24', 24a-24e. In some embodiments, the second flexible part 26 can also be made of different materials from the keycap 21, and the second flexible part 26 can be selected from the same material as the above-mentioned first flexible parts 24', 24a-24e, here That is, it will not be repeated.

To sum up, according to the keyboard device of the embodiment of the present invention, through the integral combination of the keycap, the first linkage and the second linkage of the composite key structure, the entire composite key structure can be produced by the same set of molds. In addition, in the assembly process, after the first linkage and the second linkage are combined, only need to be installed on the base plate to complete the assembly operation, so as to achieve the effect of reducing manufacturing and labor costs.

Although the technical content of the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any modification and modification made by those skilled in the art without departing from the spirit of the present invention should be covered by the present invention. Therefore, the scope of protection of the present invention should be defined by the scope of the appended patent application.

1: Keyboard device 10: Substrate 11: top surface 12: Assembly area 121: The first assembly 122: The second assembly 20: Composite button structure 21: Keycap 211: first side 212: second side 213: cover plate 214: brim 215a~251e: slotting 2151: opening 2152: Tank bottom 216,216': the first bezel 217, 217': second bezel 23: The first linkage 231: the first connection side 232: The first assembly side 2321: first shaft 233: the first pivotal member 234: long slot 2341: curved surface 235: Assembly port 236: guide bevel 24,24',24a~24e: the first flexible part 241: The first hollow part 242a~242e: the first fitting part 25: The second linkage 251: the second connection side 252: Second assembly side 2521: Second shaft 253: the second pivot member 26: The second flexible part 261: The second hollow part

[Fig. 1] is a perspective view of an embodiment of the keyboard device of the present invention. [Fig. 2] is a partially exploded perspective view of an embodiment of the keyboard device of the present invention. [ Fig. 3 ] is a partial sectional view of an embodiment of the keyboard device of the present invention. [Fig. 4] is an action diagram of an embodiment of the keyboard device of the present invention. [ Fig. 5 ] is a perspective view of the first embodiment of the compound button structure of the present invention. [ Fig. 6 ] is a cross-sectional view of the first embodiment of the compound key structure of the present invention. [FIG. 7] It is a schematic diagram of the assembly of the first embodiment of the composite button structure of the present invention. [ Fig. 8 ] is a plan view of the second embodiment of the compound button structure of the present invention. [ Fig. 9 ] is a plan view of the third embodiment of the compound button structure of the present invention. [ Fig. 10 ] is a cross-sectional view of the fourth embodiment of the composite button structure of the present invention. [ Fig. 11 ] is a cross-sectional view of the fifth embodiment of the composite button structure of the present invention. [ Fig. 12 ] is a cross-sectional view of the sixth embodiment of the composite button structure of the present invention. [ Fig. 13 ] is a cross-sectional view of the seventh embodiment of the compound button structure of the present invention. [ Fig. 14 ] is a cross-sectional view of the eighth embodiment of the composite button structure of the present invention. [ Fig. 15 ] is a cross-sectional view of the ninth embodiment of the compound key structure of the present invention.

10: Substrate

12: Assembly area

121: The first assembly

122: The second assembly

20: Composite button structure

21: Keycap

211: first side

212: second side

23: The first linkage

231: the first connection side

232: The first assembly side

2321: first shaft

24: The first flexible part

25: The second linkage

251: the second connection side

252: Second assembly side

2521: Second shaft

26: The second flexible part

Claims (15)

A keyboard device, comprising: A substrate including a top surface having an assembly area on which a first assembly and a second assembly are disposed; and A composite button structure, which is arranged on the assembly area, and the composite button structure includes a keycap integrated with each other, a first linkage and a second linkage, wherein, The keycap includes a first side and a second side opposite to each other; The first linkage includes a first connecting side and a first assembling side opposite to each other, and a first flexible part is integrally connected between the first connecting side and the first side of the keycap, so that the first The link can swing relative to the keycap, the first assembly side is movably connected to the first assembly of the base plate, and a first pivot joint is provided between the first connection side and the first assembly side pieces; The second linkage includes a second connection side and a second assembly side opposite to each other, a second flexible part is integrally connected between the second connection side and the second side of the keycap, so that the second The link can swing relative to the keycap, the second assembly side is movably connected to the second assembly of the base plate, and a second pivot joint is provided between the second connection side and the second assembly side The second pivotal member is pivotally arranged on the first pivotal member of the first linking member. The keyboard device as described in claim 1, wherein the keycap includes a cover plate and a visor, the visor is connected around the cover plate and extends toward the base plate, the first flexible part and the second flexible part The flex portion is integrally connected with the visor. The keyboard device as claimed in claim 1, wherein the thickness of the first flexible portion is smaller than the thickness of the first linking member. The keyboard device according to claim 1, wherein the first flexible portion is provided with at least one first hollow portion. The keyboard device according to claim 4, wherein the at least one first hollow part is multiple, and the first hollow parts are spaced apart from each other. The keyboard device according to claim 1, wherein the first flexible portion and the keycap are double-molded, so that the material of the first flexible portion is different from that of the keycap. The keyboard device as claimed in claim 6, wherein the material of the first link is the same as that of the keycap. The keyboard device according to claim 6, wherein the keycap has a slot, the first flexible portion has a first fitting portion, and the first fitting portion fits in the slot. The keyboard device according to claim 8, wherein the section of the slot has an opening and a bottom, and the width of the opening is smaller than the width of the bottom. The keyboard device according to claim 6, wherein the keycap has a first slot and a second slot, the first flexible portion has a first fitting portion, and the first fitting portion is fitted into The first slot and the second slot. The keyboard device as claimed in claim 10, wherein the depth of the first slot is different from that of the second slot. The keyboard device as described in claim 1, wherein the first pivotal member of the first linking member includes a long slot, and the second pivotal member is pivotally arranged in the long slot and can slide relative to the long slot . The keyboard device according to claim 12, wherein the first pivot member further includes an assembly opening, the assembly opening communicates with the long slot, and the width of the assembly opening is smaller than the width of the second pivot member. The keyboard device according to claim 13, wherein the first linkage is further provided with at least one guiding slope, and the at least one guiding slope is connected to the edge of the assembly opening. The keyboard device according to claim 12, wherein the long groove further has an arc surface, and the second pivot member slides relative to the long groove along the arc surface.

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