TWI680477B - Keyboard with capability of reducing noise - Google Patents

Abstract

The keys disclosed in the present invention use a buffer layer, a buffer sheet or a buffer member to achieve a noise reduction effect. The buffer layer is disposed on the engaging structure of the bottom plate and substantially contacts the linkage end portion of the balance bar to buffer the linkage end portion and the engagement. The engaging holes of the structure collide; the buffer sheet is arranged on the engaging structure, and the buffering end of the limiting hole hole wall on the buffer sheet collides with the engaging hole hole wall; the buffer member is selectively connected to the circuit board, the connection thin layer, One of the bottom plate or the backlight module, the linked end portion of the balance rod moves correspondingly to the limiting hole on the buffer sheet, and the material of the buffer member is softer than that of the bottom plate. Therefore, the buffer layer, the buffer sheet, and the buffer member in this case help reduce the collision noise emitted when the linked end portion moves relative to the bottom plate.

Description

Keyboard with noise reduction effect

The invention relates to a keyboard, in particular to a keyboard with a noise reduction effect.

Generally speaking, a keyboard is provided with a plurality of key devices for a user to press to generate an input signal, so that the user can use the plurality of key devices to input characters, numbers, symbols, and the like. For some specific keys, such as the Caps Lock key, a link bar can be provided to support the keycap of the key device to move up and down relative to the bottom plate. The conventional support rod and the bottom plate are usually an axis (shaft Pieces) -holes (holes) fit, and there is usually a clearance fit between the shaft holes. Therefore, when the key device is pressed, the above-mentioned shaft member and the hole wall of the hole often generate noise due to collision with each other when pressed.

Therefore, the present invention provides a keyboard with a noise reduction effect to solve the above problems.

In order to achieve the above object, the present invention discloses a keyboard including a bottom plate and a plurality of keys. The bottom plate has an engaging structure. The engaging structure is formed with an engaging hole. The plurality of keys are disposed on the bottom plate. At least one of the plurality of keys includes a keycap, a support mechanism, a balance rod, and a buffer layer. The keycap is disposed above the bottom plate, the support mechanism is disposed between the bottom plate and the keycap, and the support The upper and lower ends of the mechanism are respectively connected to the key cap and the bottom plate. The support mechanism enables the key cap to move up and down relative to the bottom plate. The balance rod is connected to the key cap. The balance rod has a linkage end portion, and the linkage end portion is movable. The ground is disposed on the engaging hole, and the buffer layer is disposed on the engaging structure and substantially contacts the linkage end portion. When the keycap moves up and down relative to the base plate, the linkage end portion corresponds to the engagement hole. During internal movement, the buffer layer buffers the collision end portion from colliding with the engaging hole, and can reduce the collision noise between the linkage end portion and the engagement structure.

According to one embodiment of the present invention, the present invention further discloses a keyboard including a bottom plate and a plurality of keys. The bottom plate has an engaging structure. The engaging structure is formed with an engaging hole, and the plurality of keys are disposed on the On the base plate, at least one of the plurality of keys includes a key cap, a support mechanism, a balance rod, and a buffer sheet. The key cap is disposed above the base plate, and the support mechanism is disposed on the base plate and the key cap. In between, the upper and lower ends of the support mechanism respectively connect the keycap and the bottom plate, the support mechanism enables the keycap to move up and down relative to the bottom plate, the balance rod is connected to the keycap, and the balance rod has a linked end portion, the A buffering piece is disposed on the engaging structure, and a limiting hole corresponding to the engaging hole is formed on the buffering piece, and the linkage end portion can be movably passed through the engaging hole and the limiting hole, and when the key When the cap moves up and down relative to the bottom plate, the linkage end portion moves corresponding to the engagement hole, and the limiting hole hole wall buffers the linkage end portion from colliding with the engagement hole hole wall, which can reduce the linkage end portion and The card The sound of the collision between the holes.

According to one embodiment of the present invention, the present invention further discloses a keyboard, which includes a base plate, a circuit board, and a plurality of keys. The circuit board is disposed on the base plate, and the plurality of keys are disposed on the base plate. At least one of the keys includes a keycap, a support mechanism, a balance bar, and a buffer. The circuit board is disposed on the base plate. The plurality of keys are disposed on the base plate. At least one of the plurality of keys One includes a keycap, a support mechanism, a balance rod, and a buffer. The keycap is disposed above the bottom plate, the support mechanism is disposed between the bottom plate and the keycap, and the upper and lower ends of the support mechanism are respectively connected to the The key cap and the bottom plate, the supporting mechanism allows the key cap to move up and down relative to the bottom plate, the balance rod is connected to the key cap and has a linkage end, the buffer is disposed on the circuit board and is connected with the circuit board as There are two independent members, a limiting hole is formed on the buffer, and the linkage end can be movably inserted in the limiting hole. When the keycap moves up and down relative to the bottom plate, the coupling End correspondingly to the movement limiting aperture, the buffer member is softer than the material of the base material, it can reduce the collision sound of the interlocking ends of the bottom plate issued when relative motion.

According to one embodiment of the present invention, the present invention further discloses a keyboard, which includes a base plate, a circuit board, and a plurality of keys. The circuit board is disposed on the base plate, and the plurality of keys are disposed on the base plate. At least one of the keys includes a keycap, a support mechanism, a balance rod, and a buffer. The keycap is disposed above the bottom plate. The support mechanism is disposed between the bottom plate and the keycap. The support mechanism The upper and lower ends are respectively connected to the key cap and the bottom plate, the support mechanism enables the key cap to move up and down relative to the bottom plate, the balance rod is connected to the key cap and has a linkage end portion, and the buffer is disposed on the bottom plate and communicates with the bottom plate. The bottom plate is two independent members, and a limiting hole is formed on the buffer member, so that the linking end portion can be movably passed through the limiting hole, and when the keycap moves up and down relative to the bottom plate, the linking end portion Corresponding to the movement in the limiting hole, the material of the buffer member is softer than the material of the bottom plate, so the collision noise generated when the linked end portion moves relative to the bottom plate can be reduced.

According to one of the embodiments of the present invention, the present invention further discloses a keyboard including a bottom plate, a backlight module, a circuit board, and a plurality of keys. The backlight module is disposed under the bottom plate, and the circuit board is disposed on the bottom plate. On the bottom plate, the plurality of keys are disposed on the bottom plate. At least one of the plurality of keys includes a keycap, a support mechanism, a balance bar, and a cushion. The keycap is disposed above the bottom plate, and the support A mechanism is disposed between the bottom plate and the keycap, and the upper and lower ends of the support mechanism respectively connect the keycap and the bottom plate, the support mechanism enables the keycap to move up and down relative to the bottom plate, and the balance rod is connected to the keycap and has A linking end portion is provided on the backlight module, and a limiting hole is formed on the buffering portion, so that the linking end portion can be movably disposed in the limiting hole, and when the keycap is opposite to the keycap, When the bottom plate moves up and down, the linked end portion moves correspondingly in the limiting hole. The material of the cushioning member is softer than the bottom plate material, so the collision noise generated when the linked end portion moves relative to the bottom plate can be reduced. .

According to one of the embodiments of the present invention, the present invention further discloses a keyboard including a bottom plate, a circuit board, and a plurality of keys. The bottom plate has a bottom plate engaging structure, and an engaging hole is formed in the engaging structure. The circuit board is disposed on the bottom plate, the plurality of keys are disposed on the bottom plate, and at least one of the plurality of keys includes a key cap, a support mechanism, a balance rod, and a buffer, and the key cap is disposed on the bottom plate. Above the bottom plate, the support mechanism is disposed between the bottom plate and the keycap. The upper and lower ends of the support mechanism respectively connect the keycap and the bottom plate. The support mechanism allows the keycap to move up and down relative to the bottom plate, and the balance rod is connected to In the keycap, the balance rod has a linkage end portion, the linkage end portion can be movably passed through the engaging hole, the buffer member is disposed on the circuit board corresponding to the linkage end portion, and the buffer member pushes the buffer member. The interlocking end portion abuts the hole wall of the engaging hole, wherein when the keycap moves up and down relative to the bottom plate, the interlocking end portion moves correspondingly within the engaging hole, and the buffer reduces the interlocking end portion and the Engagement hole wall clearance, but it may reduce the collision sound between the linking end portion of the engaging structure.

In summary, the present invention utilizes a buffer layer, a buffer sheet, or a buffer to achieve the noise reduction effect of the keys, wherein the buffer layer is disposed on the engaging structure and substantially contacts the linkage end portion of the balance bar to cushion the linkage end portion and The engaging holes of the engaging structure of the bottom plate collide, and the buffer sheet is disposed on the engaging structure. The buffering end of the limiting hole hole wall on the buffer sheet collides with the engaging hole hole wall. The buffer member is selectively connected to the circuit board, Connect one of the thin layer, the bottom plate or the backlight module, and the linked end of the balance rod moves correspondingly in the limiting hole on the buffer sheet. The material of the buffer member is softer than the material of the bottom plate. Therefore, the buffer layer, the buffer sheet and the The buffer member helps to reduce the collision noise emitted when the linked end moves relative to the bottom plate. The foregoing and other technical contents, features, and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the drawings.

The directional terms mentioned in the following embodiments, such as: up, down, left, right, front, or rear, are only directions referring to the attached drawings. Therefore, the directional terms used are used to illustrate and not to limit the present invention. Please refer to FIG. 1. FIG. 1 is a schematic diagram of an appearance of a keyboard 1000 according to a first embodiment of the present invention. As shown in FIG. 1, the keyboard 1000 includes a bottom plate 1 and a plurality of multiple key buttons 2 (the Caps Lock, Shift, and Enter keys on a general standard keyboard) whose left and right widths are much larger than the front and rear dimensions. A plurality of keys 2 are provided on the bottom plate. 1 is used to execute a keystroke command, such as entering text, numbers, symbols, etc.

Please refer to FIG. 2, which is a partially exploded schematic diagram of the multiple-key button 2 according to the first embodiment of the present invention. As shown in FIG. 2, the bottom plate 1 has an engaging structure 10, and the button 2 includes a circuit board 3, an elastic body 5, a keycap 20, a support mechanism 21, and a balance rod 22. The keycap 20 is disposed on Above the base plate 1, a support mechanism 21 is disposed between the base plate 1 and the keycap 20. The upper and lower ends of the support mechanism 21 respectively connect the keycap 20 and the baseplate 1 so that the keycap 20 can move up and down relative to the base plate 1. The circuit board 3 is disposed on the base plate 1 and has a switch 32. When the keycap 20 of the key 2 is pressed, the switch 32 can be triggered to execute the key instruction. The elastic body 5 may be disposed on the circuit board 3 and below the keycap 20 to provide a restoring force for moving the keycap 20 upward. The balance rod 22 has two linkage ends 220 and a middle section body 221. The two linkage ends 220 are respectively located at opposite ends of the middle section body 221. The keycap 20 has a pivoting structure 201, and the middle section body 221 is pivotably pivoted. It is connected to the pivot structure 201 so that the balance rod 22 is connected to the keycap 20.

Please refer to FIGS. 2 to 4. FIG. 3 is an enlarged schematic view of the key 2 shown in FIG. 2 within a selection range X, and FIG. 4 is a schematic cross-sectional view of the key 2 shown in FIG. 3 along the section line A-A. As shown in FIGS. 2 to 4, the engaging structure 10 of the base plate 1 is formed with an engaging hole 11, and the interlocking end portion 220 of the balance rod 22 can be movably passed through the engaging hole 11, so that the balance rod 22 Then, the middle rod body 221 and the linking end 220 can be connected to the keycap 20 and the bottom plate 1 respectively, so that the balance rod 22 can work with the support mechanism 21 to maintain the smooth operation of the keycap 20 during the process of the keycap 20 moving up and down. Sex. The button 2 further includes a buffer layer 23. The buffer layer 23 is disposed on the engaging structure 10 and substantially contacts the linkage end 220 of the balance bar 22.

In this embodiment, the engaging structure 10 may be a double-bend structure, that is, as shown in FIGS. 3 and 4, the bottom plate 1 has an upper surface 12 of the bottom plate facing the keycap 20. The double-bend structure ( That is, the engaging structure 10) includes a first bending portion 101 and a second bending portion 102. The first bending portion 101 protrudes from the upper surface 12 of the bottom plate, and the second bending portion 102 protrudes from the first bending portion 101. It is substantially parallel to the upper surface 12 of the bottom plate, and the engaging hole 11 of the engaging structure 10 is formed on the first bending portion 101. Therefore, when the balance bar 22 and the bottom plate 1 are assembled, the interlocking end portion 220 of the balance bar 22 can pass through the engaging hole 11 and pass through the first bending portion 101 to be located below the second bending portion 102. In addition, the second bending portion 102 has a bottom side 103 facing the upper surface 12 of the bottom plate, and the first bending portion 101 has a side 104 connected to the bottom side 103 of the second bending portion 102.

In this embodiment, the buffer layer 23 may be disposed on the bottom side 103 of the second bending portion 102 and the side 104 of the first bending portion 101. In this way, when the keycap 20 moves up and down relative to the bottom plate 1, the interlocking end portion 220 of the balance rod 22 will move correspondingly in the engaging hole 11 of the engaging structure 10, so that the interlocking end portion 220 and the engaging hole 11 will move. A collision occurs on the surface; at this time, the buffer layer 23 provided on the bottom side 103 of the second bending portion 102 and the side 104 of the first bending portion 101 substantially contacts the interlocking end portion 220 to cushion the interlocking end portion 220 and the engagement. The collision of the hole wall of the hole 11 can reduce the collision noise between the interlocking end 220 and the engaging structure 10, thereby achieving the effect of reducing noise. In this embodiment, the buffer layer 23 may be a grease layer, an adhesive tape layer, etc. In addition, the buffer layer 23 is selectively disposed on the side 104 of the first bending portion 101, that is, the buffer layer 23 may be disposed only on The bottom side 103 of the second bending portion 102 is not provided on the side 104 of the first bending portion 101, and the end depends on actual needs.

Please refer to FIG. 5 and FIG. 6. FIG. 5 is an enlarged schematic view of the key 2 shown in FIG. 2 within a selection range Y, and FIG. 6 is a schematic cross-sectional view of the key 2 shown in FIG. 5 along the section line B-B. As shown in FIG. 5 and FIG. 6, the main difference between the engaging structure 10 ′ and the engaging structure 10 is that the engaging structure 10 ′ is a single-bend structure and protrudes from the upper surface 12 of the base plate, and the engaging hole 11 is formed on the single bending structure, and the buffer layer 23 is provided on the hole wall 110 of the engaging hole 11. In this way, when the keycap 20 moves up and down relative to the bottom plate 1, the linkage end 220 of the balance rod 22 will move correspondingly in the engagement hole 11 of the engagement structure 10 ', so that the linkage end 220 and the hole wall 110 occur. Collision; at this time, the buffer layer 23 provided on the hole wall 110 substantially contacts the joint end portion 220 to buffer the joint end portion 220 from colliding with the hole wall 110 of the engagement hole 11, thereby reducing the joint end portion 220 and the engagement structure 10. 'The collision sounds between them, thereby achieving the effect of reducing noise.

Please refer to FIG. 7 and FIG. 8. FIG. 7 is a partially enlarged schematic diagram of a keyboard 2000 according to the second embodiment of the present invention, and FIG. 8 is a schematic sectional view of the keyboard 2000 along the section line C-C shown in FIG. As shown in FIGS. 7 and 8, the main difference between the keyboard 2000 and the keyboard 1000 is that the keyboard 2000 uses a buffer sheet 24 instead of the buffer layer 23 of the keyboard 1000 as a noise reduction mechanism. The bottom plate 1 has a keycap facing the keycap. An upper surface 12 of the base plate 20, and the engaging structure 10 'of the keyboard 2000 is a single bent structure and protrudes from the upper surface 12 of the base plate. The single bent structure (ie, the engaging structure 10') has a connection to the upper surface 12 of the base plate. A single bent side surface 105, the buffer sheet 24 is attached to the single bent side surface 105 and is disposed on the engaging structure 10 ', and the buffer sheet 24 is formed with a limit position of the engaging hole 11 corresponding to the engaging structure 10' The hole 240 and the interlocking end 220 of the balance rod 22 are movably disposed through the engaging hole 11 and the limiting hole 240.

In this embodiment, the base plate 1 is made of a metal material, and the engaging structure 10 ′ may be a single bent structure formed by punching and bending upward from the base plate 1. The buffer sheet 24 may be made of a plastic material, for example, The buffer sheet 24 may be a Mylar sheet. Therefore, the buffer sheet 24 made of a plastic material is softer than the engaging structure 10 ′ made of a metal material. In addition, the diameter D2 of the limiting hole 240 of the buffer sheet 24 is smaller than the diameter D1 of the engaging hole 11 of the engaging structure 10 ′. In summary, when the keycap 20 moves up and down relative to the bottom plate 1, the linkage end 220 of the balance rod 22 moves correspondingly to the engaging hole 11 and the limiting hole 240. At this time, the diameter D2 of the limiting hole 240 is less than The mechanism configuration of the aperture D1 of the engaging hole 11 makes the interlocking end 220 preferentially abut the pressure on the buffer sheet 24 and reduces the collision force between the interlocking end 220 and the hole wall 110 of the interlocking hole 11. The collision noise between the interlocking end 220 and the engaging structure 10 ′ is reduced, thereby achieving the effect of reducing noise. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

Please refer to FIG. 9 and FIG. 10. FIG. 9 is a partially enlarged schematic diagram of a keyboard 2000 ′ according to a third embodiment of the present invention, and FIG. 10 is a schematic cross-sectional view of the keyboard 2000 ′ along the section line D-D shown in FIG. 9. As shown in FIGS. 9 and 10, the main difference between the keyboard 2000 ′ and the keyboard 2000 is that the circuit board 3 of the keyboard 2000 ′ includes a horizontal portion 30 and a vertical portion 31, and the horizontal portion 30 extends horizontally and is disposed on the bottom plate. 1 above, please refer to FIG. 2 together. The horizontal portion 30 corresponds to the keycap 20 directly below the keycap 20, and the keycap 20 can press the trigger switch 32. In addition, the lower end of the vertical portion 31 is connected to the horizontal portion 30 and extends upward. The upper end of the vertical portion 31 constitutes a buffer sheet 24, that is, the buffer sheet 24 of the keyboard 2000 ′ is a part of the circuit board 3 (that is, the vertical portion 31) and is composed of a circuit. The main body portion (that is, the horizontal portion 30) of the plate 3 is formed by bending upward. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

Please refer to FIG. 11 and FIG. 12. FIG. 11 is a partially enlarged schematic diagram of a keyboard 3000 according to a fourth embodiment of the present invention, and FIG. 12 is a schematic sectional view of the keyboard 3000 along the section line E-E shown in FIG. 11. As shown in FIG. 11 and FIG. 12, the main difference between the keyboard 3000 and the above-mentioned keyboard 2000 is that the keyboard 3000 additionally has a buffer member 25 for replacing the engaging structure 10 ′ of the bottom plate 1 of the keyboard 2000, that is, the keyboard 3000. The bottom plate 1 is not bent upwardly to form an engaging structure 10 ′. In this embodiment, the buffer member 25 is provided on the circuit board 3 and is two separate members from the circuit board 3. A limiting hole 250 is formed in the buffer member 25, and the limiting hole 250 penetrates the buffer member 25 substantially horizontally. The interlocking end 220 of the balance bar 22 is movably disposed in the limiting hole 250.

In addition, the circuit board 3 has an upper surface 33 of the circuit board facing the keycap 20, and the buffer member 25 includes a joint surface 251. The joint surface 251 is located on a bottom surface 254 of the buffer member 25 and is attached to the upper surface 33 of the circuit board. The piece 25 can be fixed on the circuit board 3 in a laminating manner. In this embodiment, the bonding surface 251 may be provided with a double-sided tape or an adhesive coating. In addition, the connecting surface 251 may have a limiting hole opening 252, so that the shape of the buffer member 25 is C-shaped, and the C-shaped opening faces downward; in this way, the limiting hole opening 252 communicates with the limiting hole 250. When combined with the upper surface 33 of the circuit board, the upper surface 33 of the circuit board closes the limiting hole opening 252, so that the hole wall of the limiting hole 250 and the upper surface 33 of the circuit board together define a storage space connected to the movable end 220 of the balance bar 22. 253. The interlocking end portion 220 can be stored in the storage space 253 and can be movably disposed in the limiting hole 250.

In this embodiment, the material of the buffer member 25 is designed to be softer than that of the base plate 1. For example, the buffer member 25 may be made of a plastic material or a rubber material, and the base plate 1 may be made of a metal material. Therefore, when the keycap 20 moves up and down relative to the base plate 1, the interlocking end 220 of the balance rod 22 moves correspondingly in the limit hole 250 of the cushioning member 25. Compared with the original engaging structure 10 ', the base plate 1 is upward. Formed by bending, since the material of the buffer member 25 is softer than that of the base plate 1, the impact noise generated when the interlocking end portion 220 is moved relative to the base plate 1 can be reduced, thereby achieving the effect of reducing noise. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

It is worth mentioning that the number of the joint surfaces 251 and the limiting holes 250 of the buffer member 25 of the present invention may not be limited to those shown in the drawings of this embodiment. For example, please refer to FIG. 13 and FIG. 14. FIG. 13 is a partially enlarged schematic diagram of a keyboard 3000 ′ according to a fifth embodiment of the present invention, and FIG. 14 is a section of the keyboard 3000 ′ shown in FIG. 13 along a section line FF. Schematic cross-section. As shown in FIG. 13 and FIG. 14, the main difference between the keyboard 3000 ′ and the keyboard 3000 is that a buffer member 25 ′ of the keyboard 3000 ′ includes two limiting holes 250 to respectively accommodate the two balance bars 22.的 联动 端 部 220。 The linked end 220. In addition, the buffering member 25 ′ includes a plurality of coupling surfaces 251, and each of the coupling surfaces 251 is located on the bottom surface 254 of the buffering member 25 ′ and is disposed on two opposite sides of the corresponding limiting hole 250. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

Please refer to FIG. 15A and FIG. 15B. FIG. 15A is a schematic cross-sectional view of a keyboard 3000 ″ according to a sixth embodiment of the present invention, and FIG. 15B is a cross-sectional exploded view of a keyboard 3000 ″ of a sixth embodiment according to the present invention. As shown in FIG. 15A and FIG. 15B, the main difference between the keyboard 3000 "and the keyboard 3000 'is that the circuit board 3 of the keyboard 3000" has an upper surface 33 of the circuit board and a surface 33 opposite to the upper surface 33 of the circuit board. The lower surface 34 of the circuit board. A buffer member 25 "of the keyboard 3000" includes a plurality of bonding surfaces 251 '. The buffer member 25 "has a bottom surface 254 and an upper surface 255 opposite to the bottom surface 254. The bonding surface 251' is located in the buffer. The upper surface 255 of the component 25 ″ is disposed on two opposite sides of the limiting hole 250, and a plurality of bonding surfaces 251 ′ are attached to the lower surface 34 of the circuit board. In addition, the bottom plate 1 of the keyboard 3000 "has an accommodating groove 13 correspondingly disposed below the buffer member 25". When a plurality of bonding surfaces 251 'are attached to the lower surface 34 of the circuit board, the accommodating groove is formed. 13 The buffer member 25 ″ for the accommodating part, so that the bonding surface 251 ′ and the buffer member 25 ″ can be flatly attached to the lower surface 34 of the circuit board without causing the protrusion of the upper surface 33 of the circuit board to affect the circuit. Mechanism space above the surface 33 on the board. In addition, the buffer member 25 ″ further has a lower hole wall 259 ′. The lower hole wall 259 ′ and the hole wall 259 of the limiting hole 250 together define a storage space 253 to receive the linkage end portion 220 of the balance rod 22. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

Please refer to FIG. 16, which is a schematic cross-sectional view of a keyboard 3000 ′ ″ according to a seventh embodiment of the present invention. As shown in FIG. 16, the main difference between the keyboard 3000 ′ ″ and the keyboard 3000 ′ above is that the keyboard 3000 ′ ″ further includes a connection thin layer 4, which is disposed on the circuit board 3; a general computer keyboard Dozens of elastomers 5 required for 3000 '' '(please refer to Figures 1 and 2 together) are pre-set on the connection sheet 4 to simplify the assembly of dozens of elastomers 5 as a single assembly step. In this embodiment, the buffer member 25 ′ of the keyboard 3000 ″ ′ is first bonded to the connection thin layer 4 by an adhesive or hot melt method, and then stacked on the circuit board 3. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

Please refer to FIG. 17, which is a schematic cross-sectional view of a keyboard 3000 ″ ″ according to an eighth embodiment of the present invention. As shown in FIG. 17, the main difference between the keyboard 3000 ″ ″ and the keyboard 3000 ′ described above is that the joint surface 251 of the buffer member 25 ′ of the keyboard 3000 ″ ″ is provided on the bottom surface 254 of the buffer member 25 ′ and It is fixed to the upper surface 12 of the base plate by lamination or hot-melt, so that the buffer member 25 'is arranged on the base plate 1, that is, the buffer member 25' of the keyboard 3000 '' is fixed to the base plate by the lamination or hot-melt method. 1. In addition, the circuit board 3 of the keyboard 3000 ″ ″ is formed with a through slot 35. When the bonding surface 251 of the buffer member 25 ′ is coupled to the upper surface 12 of the bottom plate 1, the body of the buffer member 25 ′ can pass through the through slot 35. Extending from the upper surface 33 of the circuit board, the interlocking end 220 of the balance bar 22 is installed. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

Please refer to FIG. 18 to FIG. 20, FIG. 18 is a partially exploded schematic view of a keyboard 4000 according to a ninth embodiment of the present invention, and FIG. 19 is a buffer member 25 '' 'from another perspective of the ninth embodiment of the present invention. 20 is a schematic cross-sectional view of the keyboard 4000 shown in FIG. 18 along a section line GG. As shown in Figs. 18 to 20, the main difference between the keyboard 4000 and the above keyboard 3000 "" is that the cushioning member 25 "'of the keyboard 4000 and the bottom plate 1 are two independent members, and the cushioning member 25" It includes a main body 256 and a coupling portion 257. The main body 256 extends from the circuit board 3 through the through groove 35 of the circuit board 3, and a limiting hole 250 is formed in the main body 256. The coupling portion 257 connects the main body 256. In this embodiment, the bottom plate 1 has an assembly hook 14, and the buffer member 25 ′ ″ has an assembly card slot 258.

In this practice, the cushioning member 25 '' 'can be made of rubber material. Because the rubber material is relatively soft, the cushioning member 25' '' made of rubber can reduce the linkage end 220 and the cushioning member 25 of the balance rod 22. The collision sound between the walls of the limit hole 250 of the '' ', thereby achieving the effect of reducing noise. In addition, the assembly card slot 258 of the buffer member 25' '' can be inserted into the assembly hook of the base plate 1 by deformation. 14. Make the assembly hook 14 detachably engage the assembly slot 258. It is worth mentioning that the fixing manner of the buffer member 25 ′ ″ and the bottom plate 1 of the present invention may not be limited to that shown in the drawings of the embodiment. For example, the joint portion 257 of the buffer member 25 ′ ″ may be hot-melted or adhered. Combined with the base plate 1, as to which of the above designs is adopted, it depends on the actual needs. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

Please refer to FIG. 21, which is a partially enlarged schematic diagram of a keyboard 5000 according to a tenth embodiment of the present invention. As shown in FIG. 21, the keyboard 5000 is different from the above embodiment in that a buffer member 25 ″ ″ of the keyboard 5000 is disposed on the circuit board 3 corresponding to the linkage end 220 of the balance bar 22. In this embodiment, the cushioning member 25 "" can be made of an elastic material (such as rubber). Therefore, the cushioning member 25 "" can provide an elastic restoring force by deformation, and the top linking end portion 220 abuts against the bottom plate. The hole wall of the engaging hole 11 of the engaging structure 10. In this way, the buffer member 25 ″ ″ can help reduce the gap between the interlocking end 220 and the hole wall of the engaging hole 11, and can reduce the gap between the interlocking end 220 and the engaging structure 10 when the interlocking end 220 moves in the engaging hole 11. Collision sound, which can reduce noise. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here.

Please refer to FIG. 22, which is a schematic cross-sectional view of a keyboard 6000 according to an eleventh embodiment of the present invention. As shown in FIG. 22, the keyboard 6000 is different from the above embodiment in that the keyboard 6000 is a light-emitting keyboard, that is, the keyboard 6000 further includes a backlight module 6, and a buffer member 25 '' '' 'of the keyboard 6000 is provided in On the backlight module 6. Further, the base plate 1 is formed with a receiving opening 15, and the circuit board 3 is formed with a through slot 35 corresponding to the receiving opening 15, and the buffer member 25 ′ ″ ″ includes a body 256 and a coupling portion 257. 256 penetrates the bottom plate 1 and the circuit board 3 through the accommodation opening 15 and the through slot 35 to protrude from the upper surface of the circuit board 3, wherein a limiting hole 250 is formed in the body 256, and the joint portion 257 connects the body 256 and abuts the bottom plate 1 It is fixed to the backlight module 6 in a fitting manner. When the buffer member 25 ′ ″ ″ is fixed on the backlight module 6, the joint portion 257 and a part of the body 256 are received in the accommodation opening 15. The components with the same reference numerals in this embodiment have the same structural design and working principle. For the sake of brevity, the details will not be repeated here. Compared with the prior art, the present invention utilizes a buffer layer, a buffer sheet, or a buffer to achieve the noise reduction effect of the keys, wherein the buffer layer is disposed on the engaging structure and substantially contacts the linkage end portion of the balance bar to cushion the linkage end portion Collision with the engaging hole of the engaging structure of the bottom plate, the buffer sheet is arranged on the engaging structure, the buffering end of the limiting hole hole wall on the buffer sheet collides with the engaging hole hole wall, and the buffer member is selectively connected to the circuit board , Connecting one of the thin layer, the bottom plate or the backlight module, the linked end of the balance rod moves correspondingly in the limiting hole on the buffer sheet, and the material of the buffer member is softer than that of the bottom plate. With the buffer, it helps to reduce the impact sound when the linked end moves relative to the bottom plate. The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the scope of patent application of the present invention shall fall within the scope of the present invention.

1000, 2000, 2000 ', 3000, 3000', 3000 '', 3000 '' ', 3000' '' ', 4000, 5000‧‧‧ keyboard

1‧‧‧ floor

10, 10'‧‧‧ snap-in structure

101‧‧‧The first bend

102‧‧‧The second bend

103‧‧‧ bottom side

104‧‧‧side

105‧‧‧Single bend side

11‧‧‧ engagement hole

110‧‧‧hole wall

12‧‧‧ upper surface of the bottom plate

13‧‧‧Receiving slot

14‧‧‧Assembly card hook

15‧‧‧ accommodation opening

2‧‧‧ button

20‧‧‧Keycap

201‧‧‧ Pivot Structure

21‧‧‧ support

22‧‧‧ balance bar

220‧‧‧Linked end

221‧‧‧Middle section

23‧‧‧ buffer layer

24‧‧‧ Buffer

240‧‧‧ limit hole

25, 25 ', 25' ', 25' '', 25 '' '', 25 '' '' '‧‧‧ buffer

250‧‧‧ limit hole

251, 251'‧‧‧ junction

252‧‧‧ Limit hole opening

253‧‧‧Storage space

254‧‧‧underside

255‧‧‧ Top surface

256‧‧‧ Ontology

257‧‧‧Combination

258‧‧‧Assembly card slot

259‧‧‧hole wall

259'‧‧‧ lower hole wall

3‧‧‧Circuit Board

30‧‧‧Horizontal

31‧‧‧ vertical section

32‧‧‧Switch

33‧‧‧ surface of the circuit board

34‧‧‧Circuit board lower surface

35‧‧‧through slot

4‧‧‧ link thin layer

5‧‧‧ elastomer

6‧‧‧ backlight module

D1, D2‧‧‧ aperture

X, Y‧‧‧Selection range

A-A, B-B, C-C, D-D, E-E, F-F‧‧‧

FIG. 1 is a schematic diagram of an appearance of a keyboard according to a first embodiment of the present invention. FIG. 2 is a partially exploded schematic view of a button according to the first embodiment of the present invention. Fig. 3 is an enlarged schematic diagram of the keys shown in Fig. 2 within the selection range X. FIG. 4 is a schematic cross-sectional view of the button shown in FIG. 3 along the section line A-A. Fig. 5 is an enlarged schematic diagram of the keys shown in Fig. 2 within the selection range Y. FIG. 6 is a schematic cross-sectional view of the button shown in FIG. 5 along the section line B-B. FIG. 7 is a partially enlarged schematic diagram of a keyboard according to a second embodiment of the present invention. FIG. 8 is a schematic cross-sectional view of the keyboard shown in FIG. 7 along the section line C-C. FIG. 9 is a partially enlarged schematic diagram of a keyboard according to a third embodiment of the present invention. Fig. 10 is a schematic cross-sectional view of the keyboard shown in Fig. 9 along the section line D-D. FIG. 11 is a partially enlarged schematic diagram of a keyboard according to a fourth embodiment of the present invention. FIG. 12 is a schematic cross-sectional view of the keyboard shown in FIG. 11 along the section line E-E. FIG. 13 is a partially enlarged schematic diagram of a keyboard according to a fifth embodiment of the present invention. FIG. 14 is a schematic cross-sectional view of the keyboard shown in FIG. 13 along the section line F-F. FIG. 15A is a schematic cross-sectional view of a keyboard according to a sixth embodiment of the present invention. FIG. 15B is a schematic sectional explosion diagram of the keyboard of the sixth embodiment of the present invention. FIG. 16 is a schematic cross-sectional view of a keyboard according to a seventh embodiment of the present invention. FIG. 17 is a schematic cross-sectional view of a keyboard according to an eighth embodiment of the present invention. FIG. 18 is a partially exploded schematic view of a keyboard of a ninth embodiment of the present invention. FIG. 19 is a schematic view of a buffer member according to a ninth embodiment of the present invention from another perspective. FIG. 20 is a schematic cross-sectional view of the keyboard shown in FIG. 18 along the section line G-G. FIG. 21 is a partially enlarged schematic diagram of the keyboard of the tenth embodiment of the present invention. 22 is a schematic cross-sectional view of a keyboard according to an eleventh embodiment of the present invention.

Claims (21)

A keyboard with a noise reduction effect, comprising: a base plate having an engaging structure, the engaging structure is formed with an engaging hole; and a plurality of keys are disposed on the base plate, at least one of the plurality of keys Including: a keycap provided above the base plate; a support mechanism provided between the base plate and the keycap, and the upper and lower ends of the support mechanism are respectively connected to the keycap and the baseplate, and the support mechanism makes the keycap opposite The bottom plate moves up and down; a balance rod connected to the keycap, the balance rod has a linkage end portion that can be movably passed through the engagement hole; and a buffer layer is disposed on the engagement structure Contacting the linking end portion substantially; and when the keycap moves up and down relative to the base plate, the linking end portion moves correspondingly in the engaging hole, and the buffer layer buffers the linking end portion from colliding with the engaging hole, The collision noise between the interlocking end portion and the engaging structure can be reduced. The keyboard according to claim 1, wherein the bottom plate has an upper surface of the bottom plate facing the keycap, the engaging structure is a double-bend structure, and the double-bend structure includes a first bent portion and a second bent portion A bending portion, the first bending portion protruding from the upper surface of the bottom plate, the second bending portion protruding from the first bending portion, the engaging hole formed on the first bending portion, and the interlocking end portion The first bending portion passes through the engaging hole and is located below the second bending portion. The buffer layer is disposed on a bottom side of the second bending portion facing the upper surface of the bottom plate. The keyboard according to claim 2, wherein the first bending portion has a side connected to the bottom side of the second bending portion, and the buffer layer is further disposed on the side. The keyboard according to claim 1, wherein the bottom plate has an upper surface of the bottom plate facing the keycap, the engaging structure is a single-bend structure and protrudes from the upper surface of the bottom plate, and the engaging hole is formed in the single-fold On the curved structure, the buffer layer is disposed on the hole wall of the engaging hole. A keyboard with a noise reduction effect, comprising: a base plate having an engaging structure, the engaging structure is formed with an engaging hole; and a plurality of keys are disposed on the base plate, at least one of the plurality of keys Including: a keycap provided above the base plate; a support mechanism provided between the base plate and the keycap, and the upper and lower ends of the support mechanism are respectively connected to the keycap and the baseplate, and the support mechanism makes the keycap opposite The bottom plate moves up and down; a balance rod connected to the keycap, the balance rod has a linked end portion; and a buffer sheet is disposed on the engaging structure, and a limit corresponding to the engaging hole is formed on the buffer sheet. Positioning hole, the linking end portion can be movably passed through the engaging hole and the limiting hole; wherein when the keycap moves up and down relative to the bottom plate, the linking end portion moves correspondingly in the engaging hole, the The limiting hole hole wall cushions the linkage end portion from colliding with the engaging hole hole wall, and can reduce the collision noise between the linkage end portion and the engaging hole. The keyboard according to claim 5, wherein the bottom plate has an upper surface of the bottom plate facing the keycap, the engaging structure is a single-bend structure and protrudes from the upper surface of the bottom plate, and the single-bend structure has a connection to the A single bent side surface on the upper surface of the bottom plate, and the buffer sheet is attached to the single bent side surface. The keyboard according to claim 5, further comprising: a circuit board including a horizontal portion and a vertical portion, the horizontal portion is horizontally extended on the bottom plate, and the horizontal portion has a switch directly under the keycap, The keycap can be pressed to trigger the switch, the lower end of the vertical portion is connected to the horizontal portion and extends upward, and the upper end of the vertical portion constitutes the buffer sheet. The keyboard according to claim 5, wherein the hole diameter of the limiting hole is smaller than the hole diameter of the engaging hole, and when the linking end portion moves correspondingly in the engaging hole, the linking end portion keeps contacting the buffer piece. The keyboard according to claim 5, wherein the bottom plate and the engaging structure are integrally formed and made of a metal material, and the buffer sheet is made of a plastic material. A keyboard having a noise reduction effect, comprising: a base plate; a circuit board provided on the base plate; and a plurality of keys provided on the base plate. At least one of the plurality of keys includes: a key cap for setting Above the bottom plate; a support mechanism is disposed between the bottom plate and the keycap, and the upper and lower ends of the support mechanism respectively connect the keycap and the bottom plate, and the support mechanism enables the keycap to move up and down relative to the bottom plate; a balance A rod connected to the keycap, the balance rod having a linkage end; and a buffer member disposed on the circuit board and being two independent members from the circuit board, the buffer member is formed with a limiting hole for the linkage The end portion is movably inserted in the limiting hole; wherein when the keycap moves up and down relative to the bottom plate, the linked end portion correspondingly moves in the limiting hole, and the material of the buffer member is softer than that of the bottom plate. Therefore, the collision noise emitted when the linked end portion moves relative to the bottom plate can be reduced. The keyboard according to claim 10, wherein the limiting hole penetrates the buffer member substantially horizontally, the circuit board has an upper surface of the circuit board facing the keycap, and the buffer member includes: a bonding surface located at the buffer member A bottom surface is attached to the upper surface of the circuit board. The keyboard according to claim 11, wherein the bonding surface has a limiting hole opening, and the limiting hole opening communicates with the limiting hole. When the bonding surface is attached to the surface of the circuit board, the limiting The hole wall of the bit hole and the upper surface of the circuit board together define a storage space of the linkage end portion. The keyboard according to claim 10, wherein the limiting hole penetrates the buffer member substantially horizontally, the circuit board has a lower surface of the circuit board facing the bottom plate, and the buffer member includes: a plurality of bonding surfaces located at the buffer member An upper surface is disposed on two opposite sides of the limiting hole, and the plurality of bonding surfaces are adhered to the lower surface of the circuit board. The keyboard according to claim 13, wherein the bottom plate further forms an accommodating slot correspondingly disposed under the buffer member, and when the plurality of bonding surfaces are attached to the lower surface of the circuit board, the accommodating slot is used for Receiving part of the buffer. The keyboard according to claim 10, further comprising: a connection sheet disposed on the circuit board, the buffer member disposed on the circuit board via the connection sheet; and a plurality of elastic bodies disposed on the connection sheet On the layer, at least one of the plurality of elastic bodies is located below the keycap to provide a restoring force for moving the keycap upward. A keyboard having a noise reduction effect, comprising: a base plate; a circuit board provided on the base plate; and a plurality of keys provided on the base plate. At least one of the plurality of keys includes: a key cap for setting Above the bottom plate; a support mechanism is disposed between the bottom plate and the keycap, and the upper and lower ends of the support mechanism respectively connect the keycap and the bottom plate, and the support mechanism enables the keycap to move up and down relative to the bottom plate; a balance A rod connected to the keycap, the balance rod having a linking end; and a buffer member provided on the base plate and being two independent members from the base plate, a limit hole is formed on the buffer member to enable the linking end The movable portion is movably disposed in the limiting hole; wherein when the keycap moves up and down relative to the bottom plate, the linkage end portion moves correspondingly in the limiting hole. The material of the buffer member is softer than the material of the bottom plate, It can reduce the collision noise emitted when the interlocking end part moves relative to the bottom plate. The keyboard according to claim 16, wherein the circuit board is formed with a through slot, and the buffer member comprises: a body exposed to the circuit board through the through slot, wherein the limiting hole is formed on the body; and a combination The connecting portion is connected to the main body and the bonding portion is bonded to the bottom plate by hot-melt, sticking or injection molding. The keyboard according to claim 16, wherein the bottom plate has an assembly hook, the buffer member has an assembly slot, and the assembly hook is detachably engaged with the assembly slot. A keyboard with a noise reduction effect includes: a base plate; a backlight module disposed under the base plate; a circuit board disposed on the base plate; and a plurality of keys disposed on the base plate. At least one of them includes: a keycap disposed above the bottom plate; a support mechanism disposed between the bottom plate and the keycap, and the upper and lower ends of the support mechanism are respectively connected to the keycap and the bottom plate, and the support mechanism makes the The keycap can move up and down relative to the bottom plate; a balance rod connected to the keycap, the balance rod has a linkage end; and a buffer member is disposed on the backlight module, and a limit hole is formed in the buffer member So that the interlocking end portion can be movably disposed in the limit hole; wherein when the keycap moves up and down relative to the bottom plate, the interlocking end portion moves correspondingly in the limit hole, and the material of the buffer member is better than that The base material is soft, so it can reduce the impact noise when the linked end moves relative to the base plate. The keyboard according to claim 19, wherein the bottom plate is formed with an accommodation opening, the circuit board is formed with a through slot corresponding to the accommodation opening, and the buffer member comprises: a body, which respectively passes through the accommodation opening and The through slot passes through the base plate and the circuit board, wherein the limiting hole is formed on the body; and a joint portion that connects the body and abuts the base plate, and the joint portion and a part of the body are received in the body. Receiving in the opening. A keyboard with noise reduction effect includes: a bottom plate having a bottom plate engaging structure formed with an engaging hole; a circuit board disposed on the bottom plate; and a plurality of keys disposed on the bottom plate Above, at least one of the plurality of keys includes: a keycap disposed above the bottom plate; a support mechanism disposed between the bottom plate and the keycap, and the upper and lower ends of the support mechanism respectively connect the keycap and the keycap The bottom plate, the supporting mechanism allows the keycap to move up and down relative to the bottom plate; a balance rod connected to the keycap, the balance rod has a linkage end portion, and the linkage end portion is movably threaded through the engaging hole; And a buffer member disposed on the circuit board corresponding to the linkage end portion, the buffer member pushing the linkage end portion against the hole wall of the engaging hole; wherein when the keycap moves up and down relative to the bottom plate, the The interlocking end portion moves correspondingly in the engaging hole, and the buffer member reduces the clearance between the interlocking end portion and the hole wall of the engaging hole, and can reduce the collision noise between the interlocking end portion and the engaging structure.