TW201916080A - Key switch with capability of noise reduction and assembly method thereof - Google Patents

Abstract

A key switch includes a base, a key cap disposed above the base, a link bar and a buffer member. The link bar includes an upper linking end and a lower linking end. The upper linking end is movably connected to the key cap. The buffer member is made of material softer than that of the base. When a pivoting engaging portion of the buffer member rotatably engages with a first engaging structure of the base, the pivoting engaging portion can rotate relative to the base to engage an engaging portion of the buffer member with a second engaging structure of the base, so that the base and an accommodating recess structure of the buffer member are adjacent to each other to form a restraining structure for allowing the lower linking end to movably pass therethrough. Therefore, the key switch of the present invention has capability of noise reduction.

Description

Key with noise reduction effect and assembly method thereof

The invention relates to a button and an assembly method thereof, in particular to a button with a noise reduction effect and an assembly method thereof.

Generally, the keyboard is provided with a plurality of button devices for the user to press to generate an input signal, so that the user can input characters, numbers, symbols, and the like by using a plurality of button devices. For some specific buttons, such as the Caps Lock button, a link bar can be provided to support the keycap of the button device to move up and down relative to the bottom plate, and the conventional support bar and the bottom plate are usually axes (axis) Pieces) - Holes (holes) fit, and the shaft holes are usually gap-fitted. Therefore, when the button device is pressed, the above-mentioned shaft member and the hole wall of the hole often generate noise due to mutual impact when pressed.

Accordingly, the present invention provides a key having a noise reduction effect and an assembly method thereof to solve the above problems.

In order to achieve the above object, the present invention discloses a button with a noise reduction effect, comprising a bottom plate, a keycap, a supporting mechanism, a balance bar, a buffering member and a circuit board, the bottom plate having a first engaging structure and a second engaging structure, the key cap is disposed above the bottom plate, the supporting mechanism is disposed between the bottom plate and the key cap, and the upper and lower ends of the supporting mechanism respectively connect the key cap and the bottom plate, the supporting mechanism makes the key The cap can be moved up and down with respect to the bottom plate. The balance bar has an upper end of the balance bar and an interlocking end. The upper end of the balance bar is movably connected to the key cap. The buffer member has a long axis of the buffer member, a receiving recess, and a a pivoting engaging portion and a snap engaging portion, wherein the cushioning material is softer than the bottom plate material, and the pivotal engaging portion and the snap engaging portion are respectively located at opposite ends of the long axis of the buffering member, the circuit The plate has a switch that is selectively conductive in response to the up and down movement of the keycap, the pivotal engagement portion being rotatably engaged with the first engagement structure, when the pivotal engagement portion is rotated toward the bottom plate Can make the card The engaging portion is engaged with the second engaging structure, and the bottom plate and the receiving recess are adjacent to each other to form a limiting structure, the engaging end portion is movably disposed in the limiting structure, when the key cap When the bottom plate moves up and down relative to the bottom plate, the interlocking end portion moves correspondingly in the limiting structure, so that the collision sound generated when the interlocking end portion moves relative to the bottom plate can be reduced.

According to one embodiment of the present invention, the buffer member has a middle-lower convex structure, and the middle-lower convex structure divides the receiving recess into a first storage space and a second storage space, and the first storage space is located under the middle portion. Between the convex structure and the pivotal engagement portion, the second storage space is located between the middle lower convex structure and the snap engagement portion, such that the buffer member has an E-shaped cross section along the long axis of the buffer member.

According to an embodiment of the present invention, the bottom plate further has a noise reduction opening structure and a central extension portion. The central extension portion is located in a middle portion of the noise reduction opening structure, and the noise reduction opening structure is aligned with the receiving recess. The central extension abuts the lower convex structure of the middle section.

According to an embodiment of the present invention, the buffer member is further formed with a first assembly groove, the first engagement structure has a first root portion and a first horizontal extension portion, and the first horizontal extension portion is from the top end of the first root portion Extending in a first horizontal direction to form a pivoting space between the bottom plate and the bottom plate, when the first engaging structure enters the first assembling groove, the pivoting engaging portion enters the pivoting space, and the pivoting engagement The portion abuts against a lower surface of the first horizontal extension.

According to an embodiment of the present invention, the first assembly groove penetrates the buffer member substantially perpendicularly. When the first engaging structure enters the first assembly groove, an upper surface of the first engaging structure is exposed to the buffer member. The upper surface, and the upper surface of the first engaging structure is substantially close to the upper surface of the cushioning member.

According to an embodiment of the present invention, the buffer member further includes a first limiting protrusion protruding from the slot wall of the first assembly slot, the first limiting protrusion abutting the first engaging structure to limit the buffering The piece moves relative to the first engaging structure in a direction perpendicular to the long axis of the cushioning member.

According to an embodiment of the present invention, the first limiting protrusion is formed with a first guiding angle for guiding the first engaging structure, so that the first limiting protrusion can smoothly abut the first guiding protrusion A snap structure.

According to an embodiment of the present invention, the buffer member is further formed with a second assembly groove, the second engagement structure has a second root portion and a second horizontal extension portion, and the second horizontal extension portion is from the top of the second root portion. Extending in a second horizontal direction opposite to the first horizontal direction to form an engaging space with the bottom plate. When the second engaging structure enters the second assembling groove, the snap engaging portion enters the engaging portion. a space, and the snap engagement portion abuts against a lower surface of the second horizontal extension.

According to an embodiment of the present invention, the second assembly groove penetrates the buffer member substantially perpendicularly. When the second engaging structure enters the second assembly groove, the upper surface of the second engaging structure is exposed to the buffer member. The upper surface, and the upper surface of the second engaging structure is substantially close to the height of the upper surface of the cushioning member.

According to an embodiment of the present invention, the buffer member further includes a second limiting protrusion protruding from the slot wall of the second assembly slot, the second limiting protrusion abutting the second engaging structure to limit the buffering The piece moves relative to the second engaging structure in a direction perpendicular to the long axis of the cushioning member.

According to an embodiment of the present invention, the second engaging structure has an engaging hole, the first engaging structure has a first structural long axis, and the second engaging structure has a second structural long axis, The long axis of the second structure and the long axis of the first structure are substantially perpendicular to each other, and the buffer member has a buffer end surface away from the pivotal engaging portion, and the snap engaging portion protrudes from the end surface of the buffer member. When the snap engagement portion is engaged with the second engagement structure, the snap engagement portion is received in the engagement hole.

According to an embodiment of the present invention, the snap-fit portion is formed with a beveled structure and an abutting structure for contacting the second engaging structure when the pivotal engaging portion rotates toward the bottom plate. The snap-fit portion is guided to enter the engaging hole, and the abutting structure abuts the hole wall of the engaging hole when the snap-fit portion enters the engaging hole.

According to an embodiment of the present invention, the circuit board further has a lower buffer portion disposed between the first engaging structure and the second engaging structure to support the interlocking end, when the key cap When the bottom plate moves up and down, the interlocking end portion correspondingly moves in the limiting structure, and the lower buffering portion limits the lower surface of the linking end portion.

According to an embodiment of the present invention, the bottom plate further has a noise reduction opening structure formed between the first engaging structure and the second engaging structure, and the lower buffer portion of the circuit board is disposed on the minus Above the noise aperture structure, when the keycap moves up and down relative to the bottom plate, the lower buffer portion is deformable to at least partially enter the noise reduction aperture structure.

According to an embodiment of the present invention, the receiving recess opening forms a receiving space, and the buffering member has a noise reduction rib adjacent to the receiving space, and the noise reducing rib extends along the long axis of the buffering member. When the end portion moves in the accommodating space, the interlocking end portion abuts against the noise reduction rib, thereby reducing the contact area of the interlocking end portion with the buffer member.

According to an embodiment of the present invention, a bottom surface of the keycap is further formed with a recess. When the keycap moves downwardly to the bottom plate, the buffer member at least partially enters the recess, thereby increasing the keycap relative to the bottom plate. The distance of the movement.

According to one embodiment of the present invention, the buffer member includes a first assembly slot, a second assembly slot and a limiting rib. The first engaging structure is mounted in the first assembly slot, and the second engaging structure is Mounted in the second assembly groove, the limiting rib protrudes from the groove wall of the second assembly groove, and the limiting rib abuts against the second engaging structure, so that the limiting rib and the pivotal engaging portion The buffer member is collectively constrained to move in a direction parallel to the long axis of the cushion member.

According to one embodiment of the present invention, the buffering member is further formed with a receiving groove communicating with the second assembling groove, the limiting rib is disposed in the receiving groove, and the second engaging structure comprises a second root and a a second horizontal extension portion extending from the bottom plate, the second horizontal extension portion protruding from the second root portion, the second horizontal extension portion for hooking to the buckle engagement portion, when the second When the horizontal extending portion is hooked to the buckle engaging portion, the limiting rib abuts against the second horizontal extending portion, the second root portion is located in the second assembling groove, and the second horizontal extending portion is received in the receiving portion The groove does not protrude from the upper surface of the cushioning member.

According to one embodiment of the present invention, the pivotal engaging portion is substantially an arc-shaped cross-sectional structure, and the outer contour of the first engaging structure substantially corresponds to the curved cross-sectional structure, and the curved cross-sectional structure is selected From the group consisting of a cylindrical structure and a semi-cylindrical structure.

In order to achieve the above object, the present invention further discloses an assembly method for assembling a button, the button comprising a bottom plate, a key cap, a supporting mechanism, a balance bar and a buffering member, the bottom plate having a first engaging structure and a a second engaging structure, the balance bar has an upper end of the balance bar and an interlocking end, the buffering member has a pivotal engaging portion, a snap engaging portion and a receiving recess, and the assembling method comprises the step of the pivoting The pivotal engagement portion is engaged with the first engagement structure; the pivotal engagement portion is rotated relative to the first engagement structure toward the bottom plate, and the buckle engagement portion is engaged with the second engagement structure. And the bottom plate and the receiving recess are adjacent to each other to form a limiting structure; and the linking end is movably disposed in the limiting structure.

In summary, the noise reduction effect of the button is achieved by the buffer member, and the pivotal engagement portion of the cushioning member is rotatably engaged with the first engaging structure and the buckle engaging portion of the cushioning member is engaged. In the second engaging structure, the bottom plate and the receiving recess of the cushioning member are adjacent to each other to form a limiting structure, and the interlocking end of the balance bar is movably disposed in the limiting structure. Since the material of the cushioning member is softer than the material of the bottom plate, the cushioning member of the present invention helps to reduce the impact sound when the interlocking end portion moves relative to the bottom plate. The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the embodiments of the invention.

The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only directions referring to the additional drawings. Therefore, the directional terminology used is for the purpose of illustration and not limitation. Please refer to FIG. 1 , which is a schematic diagram of the 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 having a width greater than the front and rear dimensions (for example, a Caps Lock, Shift, Enter button on a standard keyboard), and a plurality of buttons 2 are disposed on the bottom plate. 1 is used to execute a button command, such as inputting characters, numbers, symbols, and the like.

Please refer to FIG. 2, which is a partial exploded view of the multiple key button 2 of the first embodiment of the present invention. As shown in FIG. 2, the bottom plate 1 has a snapping structure 10, and the button 2 includes a circuit board 3, an elastic body 5, a keycap 20, a supporting mechanism 21 and a balance bar 22, and the key cap 20 is disposed on Above the bottom plate 1, the supporting mechanism 21 is disposed between the bottom plate 1 and the keycap 20. The upper and lower ends of the supporting mechanism 21 respectively connect the key cap 20 and the bottom plate 1, so that the key cap 20 can move up and down with respect to the bottom plate 1. The circuit board 3 is disposed on the base plate 1 and has a switch 32 that can be triggered to execute the key command when the keycap 20 of the button 2 is pressed. The elastic body 5 may be disposed on the circuit board 3 and under the keycap 20 to provide a restoring force for moving the keycap 20 upward. The balance bar 22 has two interlocking ends 220 and a middle rod body 221, and the two linked end portions 220 are respectively located at opposite ends of the middle rod body 221, the key cap 20 has a pivotal structure 201, and the middle rod body 221 is pivotably pivoted Connected to the pivoting structure 201, the balance bar 22 is coupled to the keycap 20.

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

In this embodiment, the engaging structure 10 can be a double-bend structure, that is, as shown in FIG. 3 and FIG. 4, the bottom plate 1 has a bottom surface 12 facing the keycap 20, and the double-bend structure ( That is, the engaging structure 10) includes a first bent portion 101 and a second bent portion 102. The first bent portion 101 protrudes from the bottom plate upper surface 12, and the second bent portion 102 protrudes from the first bent portion 101. And 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 bent 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 under the second bent portion 102 through the first bent portion 101 via the engaging hole 11 . In addition, the second bent portion 102 has a bottom side 103 facing the upper surface 12 of the bottom plate, and the first bent portion 101 has a side 104 connected to the bottom side 103 of the second bent portion 102.

In this embodiment, the buffer layer 23 may be disposed on the bottom side 103 of the second bent portion 102 and the side 104 of the first bent portion 101. As a result, when the keycap 20 moves up and down with respect to the bottom plate 1, the interlocking end portion 220 of the balance bar 22 moves correspondingly in the engaging hole 11 of the engaging structure 10, so that the interlocking end portion 220 and the engaging hole 11 are inside. The surface is collided; at this time, the buffer layer 23 disposed on the bottom side 103 of the second bent portion 102 and the side 104 of the first bent portion 101 substantially contacts the interlocking end portion 220 to buffer the interlocking end portion 220 and the engaging portion 220 The hole wall of the hole 11 collides, and the collision sound between the interlocking end portion 220 and the engaging structure 10 can be reduced, thereby achieving the effect of reducing noise. In this embodiment, the buffer layer 23 can be a grease layer, a tape layer, etc., and the buffer layer 23 is selectively disposed on the side 104 of the first bent portion 101, that is, the buffer layer 23 can be disposed only on the buffer layer 23 The bottom side 103 of the second bent portion 102 is not disposed on the side 104 of the first bent portion 101, depending on actual needs.

Please refer to FIG. 5 and FIG. 6. FIG. 5 is an enlarged schematic view of the button 2 shown in FIG. 2 in a selection range Y, and FIG. 6 is a cross-sectional view of the button 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 bent structure and protrudes from the upper surface 12 of the bottom plate, and the engaging hole is formed. 11 is formed on the single-bend structure, and the buffer layer 23 is disposed on the hole wall 110 of the engaging hole 11. As a result, when the keycap 20 moves up and down relative to the bottom plate 1, the interlocking end portion 220 of the balance bar 22 moves correspondingly in the engaging hole 11 of the engaging structure 10', so that the interlocking end portion 220 and the hole wall 110 occur. Collision; at this time, the buffer layer 23 disposed on the hole wall 110 substantially contacts the interlocking end portion 220 to buffer the interlocking end portion 220 and the hole wall 110 of the engaging hole 11 to collide, thereby reducing the interlocking end portion 220 and the engaging structure 10 'The collision sound between the two, which in turn achieves the effect of reducing noise.

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

In this embodiment, the bottom plate 1 is made of a metal material, and the engaging structure 10' can be a single bent structure formed by punching and bending upward from the bottom plate 1. The buffer sheet 24 can be made of a plastic material, for example, The cushion sheet 24 can be a Mylar sheet, so that the cushion sheet 24 made of a plastic material is softer in material hardness than the engaging structure 10' made of a metal material. Further, the aperture D2 of the limiting hole 240 of the buffer sheet 24 is smaller than the aperture 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, when the interlocking end portion 220 of the balance bar 22 moves correspondingly in the engaging hole 11 and the limiting hole 240, the aperture D2 of the limiting hole 240 is smaller than this time. The mechanism of the aperture D1 of the engaging hole 11 is such that the interlocking end portion 220 preferentially abuts against the buffer sheet 24 to reduce the collision force between the interlocking end portion 220 and the hole wall 110 of the engaging hole 11 . The collision sound between the interlocking end portion 220 and the engaging structure 10' is reduced, thereby achieving the effect of reducing noise. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Referring to FIG. 9 and FIG. 10, FIG. 9 is a partially enlarged schematic view of a keyboard 2000' according to a third embodiment of the present invention, and FIG. 10 is a cross-sectional view of the keyboard 2000' shown in FIG. 9 along a section line D-D. As shown in FIG. 9 and FIG. 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 is horizontally extended on the bottom plate. 1 , wherein please refer to FIG. 2 together, the horizontal portion 30 has a switch 32 directly below the key cap 20, and the key cap 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, and the upper end of the vertical portion 31 constitutes a buffer sheet 24, that is, the buffer sheet 24 of the keyboard 2000' is formed by a part of the circuit board 3 (ie, the vertical portion 31), which is composed of a circuit. The main body portion of the plate 3 (i.e., the horizontal portion 30) is formed by bending upward. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Referring to FIG. 11 and FIG. 12, FIG. 11 is a partially enlarged schematic view of a keyboard 3000 according to a fourth embodiment of the present invention, and FIG. 12 is a cross-sectional view of the keyboard 3000 shown in FIG. 11 along a section line E-E. As shown in FIG. 11 and FIG. 12, the main difference between the keyboard 3000 and the keyboard 2000 is that the keyboard 3000 additionally has a buffering 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 does not extend upwardly to form the engaging structure 10'. In this embodiment, the buffering member 25 is disposed on the circuit board 3 and is independent of the circuit board 3. The buffering member 25 defines a limiting hole 250. The limiting hole 250 extends through the buffering member 25 substantially horizontally. The interlocking end portion 220 of the balance bar 22 is movably disposed in the limiting hole 250.

In addition, the circuit board 3 has a circuit board surface 33 facing the keycap 20. The buffering member 25 includes a bonding surface 251. The bonding surface 251 is located on a bottom surface 254 of the buffering member 25 and is attached to the circuit board surface 33 for buffering. The piece 25 can be fixed to the circuit board 3 in a conforming manner. In this embodiment, the bonding surface 251 may be provided with a double-sided tape or a coated adhesive. In addition, the binding surface 251 can have a limiting hole opening 252, so that the buffer member 25 has a C-shaped outer shape, and the C-shaped opening is downward; the limiting hole opening 252 is in communication with the limiting hole 250, and the bonding surface 251 is attached. When the surface 33 of the circuit board is integrated, the surface 33 of the circuit board closes the opening 252 of the limiting hole, so that the wall of the limiting hole 250 and the surface 33 of the circuit board together define a storage space of the moving end portion 220 of the balance bar 22 . 253, the interlocking end portion 220 can be received in the storage space 253 and can be movably disposed in the limiting hole 250.

In this embodiment, the material of the cushioning member 25 is designed to be softer than the material of the bottom plate 1. For example, the cushioning member 25 may be made of a plastic material or a rubber material, and the bottom plate 1 may be made of a metal material. Therefore, when the keycap 20 moves up and down relative to the bottom plate 1, when the interlocking end portion 220 of the balance bar 22 moves correspondingly in the limiting hole 250 of the cushioning member 25, the bottom plate 1 is upward compared to the original engaging structure 10'. Since the bending member is formed, since the material of the cushioning member 25 is softer than the material of the bottom plate 1, the collision sound generated when the interlocking end portion 220 moves relative to the bottom plate 1 can be reduced, thereby achieving the effect of reducing noise. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

It is to be noted that the number of the coupling faces 251 and the limiting holes 250 of the cushioning member 25 of the present invention is not limited to that shown in the drawings of this embodiment. For example, please refer to FIG. 13 and FIG. 14 , FIG. 13 is a partial enlarged view of a keyboard 3000 ′ according to a fifth embodiment of the present invention, and FIG. 14 is a cross-sectional view of the keyboard 3000 ′ along the section line FF of FIG. 13 . Schematic diagram of the 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 for respectively accommodating the two balance bars 22 . Linking end 220. In addition, the cushioning member 25' includes a plurality of engaging faces 251, and each of the engaging faces 251 is located at the bottom surface 254 of the cushioning member 25' and disposed on opposite sides of the corresponding limiting hole 250. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Referring to Figure 15A and Figure 15B, Figure 15A is a cross-sectional view of a keyboard 3000'' according to a sixth embodiment of the present invention, and Figure 15B is a cross-sectional exploded view of the keyboard 3000'' of the sixth embodiment of 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 a circuit board surface 33 and a surface relative to the circuit board surface 33 . The lower surface 34 of the circuit board, a buffering member 25'' of the keyboard 3000'' includes a plurality of bonding faces 251', the buffering member 25'' has a bottom surface 254 and an upper surface 255 opposite to the bottom surface 254, and the bonding surface 251' is located in the buffer The upper surface 255 of the piece 25'' is disposed on opposite sides of the limiting hole 250, and the plurality of bonding faces 251' are attached to the lower surface 34 of the circuit board. In addition, the bottom plate 1 of the keyboard 3000'' is further formed with a receiving groove 13 correspondingly disposed under the buffering member 25''. When a plurality of bonding faces 251' are attached to the lower surface 34 of the circuit board, the receiving groove is received. 13 is used for accommodating a portion of the buffering member 25" so that the bonding surface 251' and the buffering member 25" can be flatly attached to the lower surface 34 of the circuit board without causing protrusions on the surface of the circuit board 33 to affect the circuit. The mechanism space above the upper surface 33. In addition, the cushioning member 25'' further has a lower hole wall 259' which, together with the hole wall 259 of the limiting hole 250, defines a receiving space 253 for receiving the interlocking end portion 220 of the balance bar 22. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Referring to Figure 16, Figure 16 is a cross-sectional view showing a keyboard 3000''' of a seventh embodiment of the present invention. As shown in FIG. 16, the main difference between the keyboard 3000''' and the keyboard 3000' is that the keyboard 3000''' further includes a connecting thin layer 4, and the connecting thin layer 4 is disposed on the circuit board 3; a general computer keyboard The tens of elastomers 5 required for 3000''' (please refer to Figures 1 and 2 together) are pre-set on the joining layer 4 to simplify assembly of the tens of elastomers 5 into a single assembly step. In the present embodiment, the buffer member 25' of the keyboard 3000''' is bonded to the bonding layer 4 by pasting or hot-melting, and then stacked on the circuit board 3. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Referring to Figure 17, Figure 17 is a cross-sectional view showing a keyboard 3000'''' of an eighth embodiment of the present invention. As shown in FIG. 17, the main difference between the keyboard 3000 ′′′′ and the keyboard 3000 ′′ is that the joint surface 251 of the buffer member 25 ′ of the keyboard 3000 ′′′′ is disposed on the bottom surface 254 of the buffer member 25 ′ and For fixing or hot-melt fixing to the upper surface 12 of the bottom plate, so that the buffering member 25' is disposed on the bottom plate 1, that is, the cushioning member 25' of the keyboard 3000"" is fixed to the bottom plate by fitting or hot melt. 1. In addition, the circuit board 3 of the keyboard 3000''' is formed with a through slot 35. When the joint surface 251 of the cushioning member 25' is coupled to the bottom surface 12 of the bottom plate 1, the body of the cushioning member 25' can pass through the through slot 35. Extending beyond the surface 33 of the circuit board so that the interlocking ends 220 of the balance bar 22 are mounted. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Please refer to FIG. 18 to FIG. 20, FIG. 18 is a partial exploded view of a keyboard 4000 according to a ninth embodiment of the present invention, and FIG. 19 is a perspective view of a buffer member 25''' of another embodiment of the present invention. Schematic diagram, Fig. 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 separate members, and the cushioning member 25'' The main body 256 extends through the through slot 35 of the circuit board 3 and protrudes from the circuit board surface 33. The limiting hole 250 is formed on the body 256, and the joint portion 257 is coupled to the body 256. In this embodiment, the base plate 1 has an assembly hook 14 and the cushion member 25''' has an assembly slot 258.

In this practice, the cushioning member 25''' can be made of a rubber material. Since the rubber material has a soft texture, the rubber material buffering member 25"" can reduce the interlocking end portion 220 of the balance bar 22 and the cushioning member 25. '''The collision sound between the hole walls of the limiting hole 250, thereby achieving the effect of reducing noise, and the assembly card slot 258 of the cushioning member 25''' can be inserted into the assembly hook of the bottom plate 1 by deformation. 14. The assembly hook 14 detachably snaps the assembly slot 258. It should be noted that the manner of fixing the cushioning member 25 ′′ of the present invention and the bottom plate 1 is not limited to the embodiment of the embodiment. For example, the joint portion 257 of the cushioning member 25 ′′′ may be further melted or pasted. Combined with the bottom plate 1, as to which of the above designs is adopted, depending on actual needs. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Please refer to FIG. 21. FIG. 21 is a partially enlarged schematic view of a keyboard 5000 according to a tenth embodiment of the present invention. As shown in Fig. 21, the keyboard 5000 differs from the above embodiment in that a cushioning member 25'''' of the keyboard 5000 is disposed on the circuit board 3 at the interlocking end portion 220 of the balance bar 22. In this embodiment, the cushioning member 25"" can be made of an elastic material (for example, rubber), so that the cushioning member 25"" can provide an elastic restoring force by deformation, and the top end portion 220 abuts the bottom plate. The wall of the hole of the engaging hole 11 of the engaging structure 10 of 1. In this way, the cushioning member 25"" can help reduce the gap between the interlocking end portion 220 and the engaging hole 11, and can reduce the movement between the engaging end portion 220 and the engaging structure 10 when the interlocking end portion 220 moves in the engaging hole 11. Collision sounds to reduce noise. The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Referring to FIG. 22, FIG. 22 is a cross-sectional view showing 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 an illuminated keyboard, that is, the keyboard 6000 further includes a backlight module 6, and a buffer member 25"" of the keyboard 6000 is disposed on On the backlight module 6. Further, the bottom plate 1 is formed with a receiving opening 15 , the circuit board 3 is formed with a through slot 35 , the through slot 35 corresponding to the receiving opening 15 , and the buffering member 25 ′′′′′ includes a body 256 and a joint portion 257 , the body The 256 protrudes from the upper surface of the circuit board 3 through the receiving opening 15 and the through hole 35, and the limiting hole 250 is formed on the main body 256. The connecting portion 257 connects the main body 256 and abuts the bottom plate 1 The fixing portion 257 and a portion of the body 256 are received in the receiving opening 15 when the buffering member 25 ′′′′′ is fixed on the backlight module 6 . The components of the embodiment having the same reference numerals as in the above embodiments have the same structural design and function principle, and are not described herein for brevity.

Referring to Fig. 23, Fig. 23 is a partial exploded view of a button 1000' according to a twelfth embodiment of the present invention. As shown in FIG. 23, the button 1000 includes a bottom plate 1', a keycap 2', a support mechanism 3', a balance bar 4', a cushioning member 5', and a circuit board 7'. Above the bottom plate 1', the supporting mechanism 3' is disposed between the bottom plate 1' and the keycap 2'. The upper and lower ends of the supporting mechanism 3' respectively connect the keycap 2' and the bottom plate 1', so that the keycap 2' can be opposite to the bottom plate 1' Move up and down. The circuit board 7' is disposed on the base plate 1' and has a switch (not shown) that can be triggered to execute the key command when the keycap 2' is pressed. The balance bar 4' has a balance bar upper end 40' and two interlocking end portions 41'. The two interlocking end portions 41' are respectively located at opposite ends of the balance bar upper end 40', and the key cap 2' has a keycap connection structure 20'. The balance bar upper end 40' is rotatably pivotally coupled to the keycap connection structure 20' such that the balance bar 4' is coupled to the keycap 2'. The cushioning member 5' is disposed on the bottom plate 1' and forms a limiting structure 6' with the bottom plate 1', and the interlocking end portion 41' is movably disposed in the limiting structure 6'. In this embodiment, the button 1000' can be a multiple key button whose left and right width is much larger than the front and rear dimensions (for example, the Caps Lock, Shift, Enter buttons on a standard keyboard).

Please refer to FIG. 24 to FIG. 27, FIG. 24 is a partially enlarged schematic view of the button 1000' shown in FIG. 23 in a selected range A, and FIG. 25 is a buffer member 5' of the twelfth embodiment of the present invention. Fig. 26 is a schematic view showing the buffer member 5' of the twelfth embodiment of the present invention in another angle of view, and Fig. 27 is a schematic sectional view showing the button 1000' shown in Fig. 24. As shown in FIG. 24 to FIG. 27, the bottom plate 1' has a first engaging structure and a second engaging structure. In this embodiment, the first engaging structure and the second engaging structure are respectively separable. The buffer member 5' has a buffer member long shaft 50', a receiving recess 51', and a pivotal engaging portion 52' for extending the first hook 10'' and the second hook 11' in opposite directions. And a snap engagement portion 53', the buffer member long shaft 50' is a virtual shaft, and the pivotal engagement portion 52' and the buckle engagement portion 53' are respectively located at opposite ends of the buffer member long shaft 50'. In this embodiment, the material of the cushioning member 5' is softer than the material of the bottom plate 1'. For example, the bottom plate 1' may be made of a metal material, and the cushioning member 5' may be made of a rubber material.

Further, the buffer member 5 ′ has a middle lower convex structure 54 ′, and the middle lower convex structure 54 ′ divides the storage recess 51 ′ into a first storage space 55 ′ and a second storage space 56 ′, and the first storage space 55 'Between the middle lower convex structure 54' and the pivotal engaging portion 52', the second storage space 56' is located between the middle lower convex structure 54' and the snap engaging portion 53', whereby the cushioning member 5' is buffered The long axis 50' of the piece has substantially an E-shaped cross section. In addition, the bottom plate 1' further has a noise reduction opening structure 12' and a central extension portion 13', and the noise reduction opening structure 12' is formed between the first hook 10" and the second hook 11'. The extension portion 13' is located in the middle of the noise reduction opening structure 12', and the noise reduction aperture structure 12' is aligned with the receiving recess 51'. In this embodiment, the bottom plate 1' has two noise reduction aperture structures 12' that respectively align the first accommodation space 55' and the second accommodation space 56' of the recess 51'. In this way, when the cushioning member 5' is disposed on the bottom plate 1' such that the first receiving space 55' and the second receiving space 56' are adjacent to the bottom plate 1' to form the limiting structure 6', the noise reduction opening structure 12' It can be avoided that the interlocking end portion 41' of the balance bar 4' interferes with the bottom plate 1' when it moves within the limiting structure 6'. Further, the central extension 13' abuts against the middle lower convex structure 54' so that the cushioning member 5' can be supported on the bottom plate 1'. Furthermore, the circuit board 7' further has a lower buffer portion 70', and the lower buffer portion 70' is disposed above the noise reduction opening structure 12' to support the interlocking end portion 41'. When the keycap 2' moves up and down relative to the bottom plate 1' The lower buffer portion 70' is deformable to at least partially enter the noise reduction opening structure 12', and the interlocking end portion 41' moves correspondingly within the limiting structure 6', and the lower buffer portion 70' limits the interlocking end portion 41'. The lower surface.

In addition, the buffer member 5' is further formed with a first assembly groove 57' and a second assembly groove 59'. The first assembly groove 57' and the second assembly groove 59' each penetrate the buffer member 5' substantially vertically. The hook 10'' has a first root portion 101' and a first horizontal extending portion 102'. The first horizontal extending portion 102' extends from the top end of the first root portion 101' in a horizontal direction to form a pivoting space with the bottom plate 1'. 103', the second hook 11' has a second root portion 110' and a second horizontal extension portion 111'. The second horizontal extension portion 111' extends from the top end of the second root portion 110' in a horizontal direction to the bottom plate 1'. A snap space 112' is formed. Further, for ease of assembly, the second hook 11' further has an assembly guide 113'.

Referring to Figs. 24 to 27 and Fig. 33, Fig. 33 is a cross-sectional view showing the cushion member 5' according to the twelfth embodiment of the present invention. As shown in FIGS. 24 to 27 and 33, the cushioning member 5' further includes a receiving groove 5C', a noise reduction rib 5D', a first limiting protrusion 58' and a second limiting protrusion 5A. 'with a limiting rib 5B'; wherein the first limiting protrusion 58' protrudes from the groove wall of the first assembly groove 57', and the first limiting protrusion 58' is formed with a first guiding angle 580', the second limit The position protrusion 5A' protrudes from the groove wall of the second assembly groove 59', and the second limit protrusion 5A' is formed with a second lead angle 5A0'. Further, the limiting rib 5B' protrudes from the groove wall of the second assembling groove 59', and the receiving groove 5C' communicates with the second assembling groove 59'. It is to be noted that, as shown in FIG. 33, the first assembly groove 57' and the second assembly groove 59' penetrate the buffer member 5' substantially vertically, that is, the first assembly groove 57' and the second assembly groove 59'. A first assembly slot opening 570 and a second assembly slot opening 590 are formed on the upper surface of the buffer member 5', respectively, allowing the first horizontal extension 102' of the first hook 10" and the second hook 11' The second horizontal extension portion 111' can be exposed on the upper surface of the cushioning member 5', thereby reducing the height of the integral cushioning member 5' and the first hook 10'' and the second hook 11'. The limiting rib 5B' is disposed in the receiving groove 5C'. When the second hook 11' the second horizontal extending portion 111' extends into the receiving groove 5C', the limiting rib 5B' abuts against the second horizontal extending portion 111. '. The noise reduction rib 5D' is disposed in the limiting structure 6'. When the interlocking end portion 41' of the balance bar 4' moves between the bottom plate 1' and the limiting structure 6', the noise reduction rib 5D' is limited to the interlocking end portion 41. 'Up and down the movable space can reduce the impact sound of the interlocking end 41' of the balance bar 4'.

Referring to FIG. 28 to FIG. 32, FIG. 28 is a schematic view showing the buffer member 5' of the twelfth embodiment of the present invention in a first assembled position with respect to the bottom plate 1', and FIG. 29 is a buffer of the twelfth embodiment of the present invention. FIG. 30 is a front elevational view showing the cushioning member 5' of the twelfth embodiment of the present invention in a second assembled position with respect to the bottom plate 1' according to the twelfth embodiment of the present invention, and FIG. A front view of the buffer member 5' of the twelfth embodiment of the present invention is located at a third assembly position with respect to the bottom plate 1'. FIG. 32 is a flow chart showing a method of assembling the assembled button 1000' according to the twelfth embodiment of the present invention. As shown in Fig. 32, the assembling method of the assembled button 1000' of the present invention comprises the following steps:

Step 100: The balance bar upper end 40' is movably coupled to the keycap 2'.

Step 102: The upper and lower ends of the support mechanism 3' are respectively coupled to the keycap 2 and the bottom plate 1'.

Step 104: The pivotal engagement portion 52' is engaged with the first hook 10''.

Step 106: Rotate the pivotal engaging portion 52' relative to the first hook 10'' toward the bottom plate 1', so that the snap engaging portion 53' is engaged with the second hook 11', and the bottom plate 1' is received and received. The depressions 51' are adjacent to each other to form a constraining structure 6'.

Step 108: The interlocking end portion 41' is movably passed through the limiting structure 6'.

The assembly method and the principle of operation of the assembled button 1000' of the present invention are described in detail below. First, the balance bar upper end 40' is movably coupled to the keycap 2' via the keycap connection structure 20' (step 100), and then the support is supported. The upper and lower ends of the mechanism 3' are respectively connected to the keycap 2' and the bottom plate 1' (step 102). It is worth mentioning that, in order to facilitate the subsequent assembly work, the lower end of the support mechanism 3' may be first connected to the bottom plate 1' for subsequent assembly. After the work is completed, the upper end of the support mechanism 3' is coupled to the keycap 2' to prevent the keycap 2' from affecting the assembly personnel for subsequent assembly work.

Next, as shown in FIG. 28 and FIG. 29, the pivotal engagement portion 52' of the cushioning member 5' is engaged with the first hook 10'' of the bottom plate 1' (step 104), in the process, The first hook 10'' can pass through the first assembly slot 57' of the cushioning member 5', thereby causing the pivotal engaging portion 52' to enter the pivoting space 103' of the first hook 10" to make the pivoting card The engaging portion 52' abuts against the lower surface of the first horizontal extending portion 102', whereby the first hook 10" is rotatably engaged with the pivotal engaging portion 52' (as shown in Fig. 29). ). In this embodiment, the pivotal engagement portion 52' is substantially a cylindrical structure, and the outer contour of the first hook 10'' substantially conforms to the cylindrical structure. Therefore, when the first hook 10'' is engaged with the pivotal engaging portion 52', the pivotal engaging portion 52' substantially conforms to the cylindrical structure and the outline of the first hook 10" In the design of the cylindrical structure, the cushioning member 5' can be rotated relative to the bottom plate 1' with the pivotal engaging portion 52' as a rotation axis. However, the shape of the pivotal engaging portion 52' of the present invention is not limited thereto. For example, in another embodiment, the pivotal engaging portion 52' may also be a semi-cylindrical structure or a cylindrical structure and The semi-cylindrical structure constitutes an arcuate cross-sectional structure, and the outer contour of the first hook 10'' may substantially correspond to the semi-cylindrical structure or the arcuate cross-sectional structure.

Next, the cushioning member 5' is rotated with the pivotal engaging portion 52' as a rotation axis relative to the bottom plate 1' in an assembly direction Z as shown in Fig. 29, and when the cushioning member 5' is rotated relative to the bottom plate '1, as in the first At the position shown in Fig. 30, the second horizontal extension 111' of the second hook 11' of the bottom plate 1' enters the second assembly groove 59' of the cushioning member 5', and the first of the first limiting projections 58' The lead angle 580' guides the first hook 10' so that the first limiting protrusion 58' can smoothly abut the first hook 10". It is worth mentioning that, as shown in Fig. 28, the first guiding angle 580' is a bevel structure, and the bevel structure (ie, the first guiding angle 580') during the rotation of the cushioning member 5' toward the bottom plate 1' It is helpful for the first hook 10'' to enter from the larger opening area to the smaller opening area defined by the two first limiting protrusions 58', that is, the first guiding angle 580' can be used to guide the first The hook 10'' enables the first limiting protrusion 58' to smoothly abut the first hook 10''.

When the cushioning member 5' continues to rotate toward the bottom plate 1' with the pivotal engaging portion 52' as a rotation axis until the cushioning member 5' reaches the position as shown in Fig. 31, the snap-fit portion of the cushioning member 5' 53' enters the engaging space 112' of the second hook 11', so that the snap engaging portion 53' abuts against the lower surface of the second horizontal extending portion 111', whereby the snap-fit portion of the cushioning member 5' 53' can be snapped into the second hook 11' (step 106), and the bottom plate 1' is adjacent to the receiving recess 51' of the cushioning member 5' to form the limiting structure 6'. Finally, the interlocking end portion 41' of the balance bar 4' is movably passed through the limiting structure 6' (step 108). In this way, when the keycap 2' moves up and down relative to the bottom plate 1', the interlocking end portion 41' moves correspondingly in the limiting structure 6', and since the material of the cushioning member 5' is softer than the material of the bottom plate 1', The cushioning member 5' of the present invention has a better shock absorbing effect, and can reduce the impact sound of the interlocking end portion 41' when moving relative to the bottom plate 1'. In addition, in order to enhance the noise reduction effect of the button 1000' of the present invention, the noise reduction rib 5D' is provided in the housing recess 51' of the cushioning member 5' (ie, the first housing space 55' and the second housing space 56'). It can prevent the interlocking end portion 41' of the balance bar 4' from striking the hole wall of the limiting structure 6' (ie, the main body portion of the cushioning member 5') to further reduce the collision when the interlocking end portion 41' moves relative to the bottom plate 1'. sound.

In the process of rotating the cushion member 5' from the position shown in FIG. 30 to the position shown in FIG. 31, the second lead angle 5A0' of the second limiting protrusion 5A guides the second hook 11', The second limiting protrusion 5A' can smoothly abut the second hook 11'. It is worth mentioning that, as shown in Fig. 28, the second lead angle 5A0' is a bevel structure, and the bevel structure (ie, the second lead angle 5A0') is rotated during the rotation of the cushioning member 5' toward the bottom plate 1'. It is helpful for the second hook 11' to enter from the larger opening area to the smaller opening area defined by the two second limiting protrusions 5A', that is, the second guiding angle 5A0' can be used to guide the second card The hook 11' enables the second limiting protrusion 5A' to smoothly abut the second hook 11'.

It is worth mentioning that when the cushioning member 5' is located at the position as shown in FIG. 31, the first hook 10'' is installed in the first assembly groove 57', and the second hook 11' is mounted on the second assembly. The first horizontally extending protrusion 58' abuts the first hook 10'' in the groove 59' and the second horizontal extending portion 111' is hooked to the first hook 10'' to limit the buffer member 5' relative to the first A hook 10'' moves along the longitudinal axis 50' of the vertical buffer member, and the second limiting protrusion 5A' abuts the second hook 11' to restrict the buffer member 5' from being perpendicular to the second hook 11' The buffer member moves in the direction of the long axis 50'. Further, the limiting rib 5B' abuts against the second hook 11', so that the limiting rib 5B' and the pivotal engaging portion 52' collectively restrict the movement of the cushioning member 5' in the direction parallel to the long axis 50' of the cushion member. In this way, the degree of freedom of the cushion member 5' with respect to the bottom plate 1' in the up, down, left and right directions is limited, and can be stably set on the bottom plate 1'.

In addition, when the cushioning member 5' is located at the position as shown in FIG. 31, the upper surface of the first hook 10" is exposed to the upper surface of the cushioning member 5', and the first hook 10'' The upper surface is substantially close to the upper surface of the cushioning member 5'; the upper surface of the second hook 11' is exposed to the upper surface of the cushioning member 5', and the upper surface of the second hook 11' and the upper surface of the cushioning member 5' The height is substantially close, that is, the second horizontal extension portion 111' of the second hook 11' is received in the receiving groove 5C' and does not protrude from the upper surface of the cushioning member 5'.

In this embodiment, the first assembly groove 57' and the second assembly groove 59' each penetrate the buffer member 5' substantially perpendicularly, and the first assembly groove opening 570 and the second assembly are respectively formed on the upper surface of the buffer member 5'. The slot opening 590, and the first assembly slot opening 570 and the second assembly slot opening 590 are omitting structures, that is, referring to FIG. 34, which is a cross-sectional view of the buffer member 5" of the thirteenth embodiment of the present invention. . As shown in FIG. 34, the first assembly slot opening 570 and the second assembly slot opening 590 can be closed to form an upper surface of a complete non-broken cushioning member 5", for the first hook 10' 'With the second hook 11' can not interfere with the cushioning member 5", the overall height of the cushioning member 5" should be increased, so that the first assembling groove 57' and the second assembling groove 59' can include the original first assembling groove. The opening 570 and the second assembly slot opening 590 are located such that the first hook 10'' and the second hook 11' do not interfere with the groove wall of the cushioning member 5" when the second hook 10'' is engaged. In addition, the first assembly slot, the second assembly slot, the first limiting protrusion, the second limiting protrusion, the limiting rib and the noise reducing rib of the buffering member of the present invention are not limited to the foregoing embodiment, as illustrated by Referring to FIG. 35 to FIG. 40, FIG. 35 and FIG. 36 are schematic diagrams showing the explosion of a button 1000''' at different viewing angles according to the fourteenth embodiment of the present invention, and FIG. 37 and FIG. FIG. 39 is a schematic view showing a buffer member 5'' of the fourteenth embodiment of the present invention in different viewing angles. FIGS. 39 and 40 are a fourteenth embodiment of the present invention. The buffer member 5''' is located at different assembly positions with respect to the bottom plate 1'. Part of the schematic. As shown in FIGS. 35 to 40, the button 1000''' includes a bottom plate 1', a keycap 2"', a support mechanism 3', a balance bar 4', a cushioning member 5"", and a circuit board 7. '. The cushioning member 5 ′′′ includes a buffering member long shaft 50 ′′′, a receiving recess 51 ′′′, a pivoting engaging portion 52 ′′′, a snap engaging portion 53 ′′′, and a first a limiting protrusion 58''', a second limiting protrusion 5A"", a limiting rib 5B"" and a noise reduction rib 5D"", a first assembly groove is formed on the buffering member 5"" 57''', a second assembly groove 59''' and a receiving groove 5C"" connecting the second assembly groove 59"", the first limiting protrusion 58"" and a second limiting protrusion 5A ''' protrudes from the first assembly groove 57''' and the groove wall of the second assembly groove 59''', respectively, to limit the first hook 10'' and the second of the buffer member 5''' relative to the bottom plate 1' The hook 11' moves along the longitudinal axis 50'" of the vertical buffer member, and the limiting rib 5B"" is disposed in the receiving groove 5C"" when the second horizontal extension 111' of the second hook 11' When extending into the receiving groove 5C"", the limiting rib 5B"' abuts against the second horizontal extending portion 111'. The receiving recess 51 ′′′ opening is downwardly formed to form a receiving space, and the noise reducing rib 5D′′′ is located adjacent to the receiving space and extends along the long axis 50′′′ of the buffer member when the interlocking end of the balance bar 4 ′ When the 41' moves in the storage space, the interlocking end portion 41' abuts against the noise reduction rib 5D"", thereby reducing the contact area between the interlocking end portion 41' and the cushioning member 5"", thereby preventing the balance. The interlocking end 41' of the rod 4' strikes the body portion of the cushioning member 5"" to further reduce the impact sound of the interlocking end portion 41' when moving relative to the bottom plate 1'. In this embodiment, the pivotal engagement portion 52''' is substantially a semi-cylindrical configuration, and the contour of the first hook 10'' substantially conforms to the semi-cylindrical configuration. Therefore, when the first hook 10'' is engaged with the pivotal engaging portion 52"", the pivotal engaging portion 52"" is substantially the semi-cylindrical structure and the first hook 10" The outline substantially conforms to the design of the semi-cylindrical structure, and the buffer member 5"" can be rotated relative to the bottom plate 1' with the pivotal engaging portion 52"' as a rotational axis. Moreover, in this embodiment, one of the bottom faces 20 ′′′ of the key cap 2 ′′′ is further formed with a recess 21 ′′′, and is buffered when the key cap 2 ′′′ moves downward to approach the bottom plate 1 ′′′. The piece 5''' at least partially enters the recess 21'", thereby increasing the stroke when the button 1000"' is depressed (i.e., the distance the keycap 2'" moves up and down relative to the bottom plate 1"'). The components of the present embodiment having the same reference numerals as those of the foregoing embodiments have similar structures and functions, and are not described herein again.

In addition, please refer to FIG. 41 to FIG. 46. FIG. 41 and FIG. 42 are schematic diagrams showing the explosion of a button 1000′′′′ in different viewing angles according to the fifteenth embodiment of the present invention, FIG. 43 and FIG. 44 . FIG. 45 is a schematic view showing a buffer member 5''''''''''''''''''''' ''Some diagrams of the parts in different assembly positions. As shown in Figures 41 to 46, the button 1000'"' includes a bottom plate 1"", a keycap 2"", a support mechanism 3', a balance bar 4', a cushioning member 5"" And the circuit board 7'. The bottom plate 1 ′′′′ includes a first engaging structure and a second engaging structure. The first engaging structure may be a hook 10 ′′′′, and the second engaging structure may be a engaging portion. 11'''', the engaging portion 11'''' is formed with a locking hole 110"", the first engaging structure has a first structural long axis 100"", the second engaging The structure has a second structural long axis 111"", the second structural long axis 111"" and the first structural long axis 100"" are substantially perpendicular to each other. The cushioning member 5"" includes a buffer member long shaft 50"", a receiving recess 51"", a pivoting engaging portion 52"", and a snap engaging portion 53"" A first limiting protrusion 58'''' and a noise reduction rib 5D'''', a first assembly groove 57"" is formed on the buffer member 5"", and the first limiting protrusion 58 is formed. '''' protrudes from the groove wall of the first assembly groove 57"" to limit the first engaging structure and the second engaging structure of the cushioning member 5"" relative to the bottom plate 1"" The vertical buffer member moves in the direction of the long axis 50'"'. The receiving recess 51 ′′′′ opening is downwardly formed to form a receiving space, and the noise reducing rib 5D ′′′′ is located adjacent to the receiving space and extends along the long axis 50′′′′ of the buffer member when the balance bar 4 ′ When the interlocking end portion 41' moves in the accommodating space, the interlocking end portion 41' abuts against the noise reduction rib 5D"", thereby reducing the contact between the interlocking end portion 41' and the cushioning member 5"" The area, thereby preventing the interlocking end portion 41' of the balance bar 4' from striking the body portion of the cushioning member 5"" to further reduce the impact sound of the interlocking end portion 41' when moving relative to the bottom plate 1'. Further, the pivotal engagement portion 52''''' is substantially a semi-cylindrical structure, and the outline of the hook 10'''' substantially conforms to the semi-cylindrical structure. Therefore, when the hook 10"" is engaged with the pivotal engaging portion 52"", the pivotal engaging portion 52"" is substantially the semi-cylindrical structure and the hook 10"' The profile of the 'substantially conforms to the design of the semi-cylindrical structure can help the cushioning member 5"" to rotate relative to the bottom plate 1"" with the pivotal engagement portion 52"" as the axis of rotation. The cushioning member 5"" has a buffer end face 5E"" away from the pivotal engaging portion 52"", and the snap engaging portion 53"" protrudes from the cushion end face 5E"" 'The upper surface is formed with a bevel structure 530'"' and an abutting structure 531"", the bevel structure 530"" rotates in the direction of the bottom plate 1"" in the pivotal engaging portion 52"" When the second engaging structure is contacted, the guiding engaging portion 53 ′′′′ enters the engaging hole 110 ′′′′, and the abutting structure 531 ′′′′ is engaged with the engaging portion 53 ′. ''' abuts the hole wall of the engaging hole 110'''' when entering the engaging hole 110'''', so as to prevent the snap-fit engaging portion 53"" from being disengaged from the engaging hole 110"" Hehe. In addition, the components of the present embodiment having the same reference numerals as those of the foregoing embodiments have similar structures and functions, and are not described herein again.

Compared with the prior art, the present invention utilizes the cushioning member to achieve the noise reduction effect of the button, when the pivotal engaging portion of the cushioning member is rotatably engaged with the first hook and the buckle engaging portion of the cushioning member is engaged. When the second hook is hooked, the bottom plate and the receiving recess of the buffering member are adjacent to each other to form a limiting structure, and the interlocking end portion of the balance bar is movably disposed in the limiting structure. Since the material of the cushioning member is softer than the material of the bottom plate, the cushioning member of the present invention helps to reduce the impact sound when the interlocking end portion moves relative to the bottom plate. The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

1000’, 1000’’’, 1000’’’’‧‧‧ buttons

1', 1'’’’‧‧‧

10’’‧‧‧ first card

101’‧‧‧first root

102’‧‧‧First horizontal extension

103’‧‧‧ pivot space

10’’’’‧‧‧‧

100’’’’‧‧‧The first long axis of the structure

11’‧‧‧Second card

110’‧‧‧Second root

111’‧‧‧Second horizontal extension

112’‧‧‧Clock space

113’‧‧‧Assembled lead angle

11’’’’‧‧‧‧

110’’’’‧‧‧‧

111’’’’‧‧‧The second long axis of the structure

12'‧‧‧ Noise reduction opening structure

13’‧‧‧Central Extension

2’, 2’’’‧‧‧

20'‧‧‧Keycap connection structure

20’’’‧‧‧

21’’’‧‧‧ dent

3’‧‧‧Support institutions

4'‧‧‧Balance

40’‧‧‧Upper pole

41’‧‧‧ linkage end

5', 5'', 5''', 5''''‧‧‧ ‧ cushioning parts

50', 50''', 50''''‧‧‧

51', 51''', 51''''‧‧‧‧

52', 52''', 52'''' ‧‧‧ pivoting engagement

53’, 53’’’, 53’’’’’’’’’’’’

530’’’’‧‧‧‧ sloping structure

531’’’’‧‧‧‧ Abutment structure

54'‧‧‧Middle convex structure

55’‧‧‧First storage space

56’‧‧‧Second storage space

57', 57''', 57''''‧‧‧ first assembly slots

570‧‧‧First assembly slot opening

58', 58''', 58''’’‧‧‧‧ first limit protrusion

580’‧‧‧First lead angle

59’, 59’’’‧‧‧ Second assembly slot

590‧‧‧Second assembly slot opening

5A’, 5A’’’‧‧‧ second limit protrusion

5A0’‧‧‧second lead angle

5B’, 5B’’’‧‧‧‧ Limit ribs

5C’, 5C’’’‧‧‧‧ receiving trough

5D’, 5D’’’, 5D’’’’‧‧‧‧ ‧ ‧ noise reduction ribs

5E’’’’ ‧‧‧ bumper end face

6’‧‧‧Limited structure

7’‧‧‧ boards

70'‧‧‧ under buffer

Z‧‧‧ Assembly direction

A‧‧‧Selection range

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

1‧‧‧floor

10, 10'‧‧‧ engaging structure

101‧‧‧First bend

102‧‧‧Second bend

103‧‧‧ bottom side

104‧‧‧ side

105‧‧‧Single side

11‧‧‧Snap hole

110‧‧‧ hole wall

12‧‧‧ Upper surface of the bottom plate

13‧‧‧ accommodating slots

14‧‧‧Package hook

15‧‧‧ accommodating opening

2‧‧‧ buttons

20‧‧‧Key Cap

201‧‧‧ pivot structure

21‧‧‧Support institutions

22‧‧‧Balance rod

220‧‧‧ linkage end

221‧‧‧ middle section

23‧‧‧ Buffer layer

24‧‧‧buffer

240‧‧‧Limited holes

25, 25', 25'', 25''', 25'''', 25''''''

250‧‧‧Limited holes

251, 251’‧‧‧ joint surface

252‧‧‧Limited hole opening

253‧‧‧Storage space

254‧‧‧ bottom

255‧‧‧ upper surface

256‧‧‧ ontology

257‧‧‧Combination Department

258‧‧‧Assemble card slot

259‧‧‧ hole wall

259’‧‧‧ lower wall

3‧‧‧Circuit board

30‧‧‧ horizontal department

31‧‧‧ vertical section

32‧‧‧ switch

33‧‧‧ Board surface

34‧‧‧Lower surface of the board

35‧‧‧through slots

4‧‧‧Link thin layer

5‧‧‧ Elastomers

6‧‧‧Backlight module

D1, D2‧‧‧ aperture

X, Y‧‧‧Selection range

A-A, B-B, C-C, D-D, E-E, F-F‧‧‧ hatching

1 is a schematic view showing the appearance of a keyboard according to a first embodiment of the present invention. Figure 2 is a partial exploded view of the button of the first embodiment of the present invention. Fig. 3 is an enlarged schematic view of the button shown in Fig. 2 in the selection range X. Figure 4 is a schematic cross-sectional view of the button shown in Figure 3 along section line A-A. Fig. 5 is an enlarged schematic view of the button shown in Fig. 2 in the selection range Y. Figure 6 is a schematic cross-sectional view of the button shown in Figure 5 along section line B-B. Figure 7 is a partially enlarged schematic view showing the keyboard of the second embodiment of the present invention. Figure 8 is a schematic cross-sectional view of the keyboard shown in Figure 7 along section line C-C. Figure 9 is a partially enlarged schematic view showing the keyboard of the third embodiment of the present invention. Figure 10 is a cross-sectional view of the keyboard shown in Figure 9 along section line D-D. Figure 11 is a partially enlarged schematic view showing the keyboard of the fourth embodiment of the present invention. Figure 12 is a cross-sectional view of the keyboard shown in Figure 11 along section line E-E. Figure 13 is a partially enlarged schematic view showing the keyboard of the fifth embodiment of the present invention. Figure 14 is a cross-sectional view of the keyboard shown in Figure 13 along section line F-F. Figure 15A is a cross-sectional view showing a keyboard of a sixth embodiment of the present invention. 15B is a schematic exploded view of a keyboard of a sixth embodiment of the present invention. Figure 16 is a cross-sectional view showing a keyboard of a seventh embodiment of the present invention. Figure 17 is a cross-sectional view showing the keyboard of the eighth embodiment of the present invention. Figure 18 is a partial exploded view of the keyboard of the ninth embodiment of the present invention. Figure 19 is a schematic view showing the cushion member of the ninth embodiment of the present invention in another perspective. Figure 20 is a schematic cross-sectional view of the keyboard shown in Figure 18 along section line G-G. Figure 21 is a partially enlarged schematic view showing the keyboard of the tenth embodiment of the present invention. Figure 22 is a cross-sectional view showing the keyboard of the eleventh embodiment of the present invention. Figure 23 is a partial exploded view of the button of the twelfth embodiment of the present invention. Fig. 24 is a partially enlarged schematic view showing the button shown in Fig. 23 in the selection range A. Figure 25 is a schematic view showing a cushioning member of a twelfth embodiment of the present invention. Figure 26 is a schematic view showing the cushion member of the twelfth embodiment of the present invention in another perspective. Figure 27 is a schematic cross-sectional view of the button shown in Figure 24. Figure 28 is a schematic view showing the cushion member in the first assembled position with respect to the bottom plate according to the twelfth embodiment of the present invention. Figure 29 is a front elevational view showing the cushion member in the first assembled position with respect to the bottom plate of the twelfth embodiment of the present invention. Figure 30 is a front elevational view showing the cushion member in a second assembled position with respect to the bottom plate of the twelfth embodiment of the present invention. Figure 31 is a front elevational view showing the cushion member in the third assembled position with respect to the bottom plate in the twelfth embodiment of the present invention. Figure 32 is a flow chart showing a method of assembling an assembled button according to a twelfth embodiment of the present invention. Figure 33 is a cross-sectional view showing a cushioning member of a twelfth embodiment of the present invention. Figure 34 is a cross-sectional view showing a cushioning member of a thirteenth embodiment of the present invention. 35 and 36 are schematic views showing a partial explosion of a button at different viewing angles according to a fourteenth embodiment of the present invention. 37 and 38 are schematic views of the buffer member according to the fourteenth embodiment of the present invention at different viewing angles. 39 and 40 are partial views of the buffer member in different assembly positions with respect to the bottom plate according to the fourteenth embodiment of the present invention. 41 and 42 are schematic views showing a partial explosion of a button at different viewing angles according to a fifteenth embodiment of the present invention. 43 and 44 are schematic views of the buffer member according to the fifteenth embodiment of the present invention at different viewing angles. 45 and 46 are views showing a portion of the cushion member in a different assembly position with respect to the bottom plate according to the fifteenth embodiment of the present invention.

Claims (20)

A button with a noise reduction effect, comprising: a bottom plate having a first engaging structure and a second engaging structure; a key cap disposed above the bottom plate; a supporting mechanism disposed on the bottom plate and the key cap The upper and lower ends of the supporting mechanism respectively connect the keycap and the bottom plate, the supporting mechanism enables the keycap to move up and down relative to the bottom plate; a balance bar having an upper end of the balance bar and an interlocking end, the upper end of the balance bar The cushioning member is movably connected to the keycap; the cushioning member has a buffering member long shaft, a receiving recess, a pivoting engaging portion and a snap engaging portion, and the cushioning member is softer than the bottom plate material, and the pivoting member is The rotation engaging portion and the buckle engaging portion are respectively located at opposite ends of the long axis of the buffer member; and a circuit board having a switch, the switch being selectively conductive according to the up and down movement of the key cap; The pivotal engaging portion is rotatably engaged with the first engaging structure, and when the pivotal engaging portion is rotated toward the bottom plate, the snap engaging portion can be engaged with the second engaging structure, and Causing the bottom plate and the receiving recess Adjacent to form a limiting structure, the linking end is movably disposed in the limiting structure; wherein when the key cap moves up and down relative to the bottom plate, the linking end moves correspondingly in the limiting structure Therefore, the collision sound generated when the interlocking end portion moves relative to the bottom plate can be reduced. The button of claim 1, wherein the buffer member has a middle-lower convex structure, and the middle-lower convex structure divides the receiving recess into a first storage space and a second storage space, wherein the first storage space is located Between the lower convex structure and the pivotal engaging portion, the second receiving space is located between the lower convex structure and the snap engaging portion, so that the buffer member has an E-shaped cross section along the long axis of the buffer member. . The button of claim 2, wherein the bottom plate further has a noise reduction opening structure and a central extension portion, wherein the central extension portion is located in a middle portion of the noise reduction opening structure, and the noise reduction opening structure is aligned with the storage recess The central extension abuts the lower convex structure of the middle section. The button of claim 1, wherein the buffer member is further formed with a first assembly slot, the first engaging structure has a first root portion and a first horizontal extension portion, the first horizontal extension portion is from the first The top end of the root portion extends toward a first horizontal direction to form a pivoting space with the bottom plate. When the first engaging structure enters the first assembly groove, the pivotal engaging portion enters the pivoting space, and the pivoting The engaging portion abuts against a lower surface of the first horizontal extension. The button of claim 4, wherein the first assembly slot penetrates the buffer member substantially vertically, and after the first engaging structure enters the first assembly slot, the upper surface of the first engaging structure is exposed to the The upper surface of the cushioning member, and the upper surface of the first engaging structure is substantially close to the height of the upper surface of the cushioning member. The button of claim 4, wherein the buffer member further comprises: a first limiting protrusion protruding from the slot wall of the first assembly slot, the first limiting protrusion abutting the first engaging structure to The buffer member is restricted from moving relative to the first engaging structure in a direction perpendicular to the long axis of the buffer member. The button of claim 6, wherein the first limiting protrusion is formed with a first guiding angle, the first guiding angle is used for guiding the first engaging structure, so that the first limiting protrusion can smoothly abut The first engaging structure. The button of claim 4, wherein the buffer member is further formed with a second assembly slot, the second engagement structure has a second root portion and a second horizontal extension portion, and the second horizontal extension portion is from the second The top end of the root portion extends in a second horizontal direction opposite to the first horizontal direction to form an engaging space with the bottom plate. When the second engaging structure enters the second assembling groove, the snap engaging portion enters the The snap space is engaged, and the snap engagement portion abuts against the lower surface of the second horizontal extension. The button of claim 8, wherein the second assembly slot penetrates the buffer member substantially perpendicularly, and after the second engaging structure enters the second assembly slot, the upper surface of the second engaging structure is exposed to the The upper surface of the cushioning member, and the upper surface of the second engaging structure is substantially close to the height of the upper surface of the cushioning member. The button of claim 8, wherein the buffer member further comprises: a second limiting protrusion protruding from the slot wall of the second assembly slot, the second limiting protrusion abutting the second engaging structure to The buffer member is restricted from moving relative to the second engaging structure in a direction perpendicular to the long axis of the buffer member. The button of claim 1, wherein the second engaging structure has an engaging hole formed therein, the first engaging structure has a first structural long axis, and the second engaging structure has a second structural long axis The long axis of the second structure and the long axis of the first structure are substantially perpendicular to each other, and the buffer member has a buffer end surface away from the pivotal engaging portion, and the snap engaging portion protrudes from the end surface of the buffer member When the snap engagement portion is engaged with the second engagement structure, the snap engagement portion is received in the engagement hole. The button of claim 11, wherein the snap-fit portion is formed with a beveled structure and an abutting structure for contacting the second engagement when the pivotal engagement portion rotates toward the bottom plate. The structure is configured to guide the snap-fit portion to enter the engaging hole, and the abutting structure abuts the hole wall of the engaging hole when the snap-fit portion enters the engaging hole. The button of claim 1, wherein the circuit board further has a lower buffer portion, and the lower buffer portion is disposed at least between the first engaging structure and the second engaging structure to support the linking end. When the key cap moves up and down relative to the bottom plate, the interlocking end portion correspondingly moves in the limiting structure, and the lower buffering portion limits the lower surface of the linking end portion. The button of claim 13, wherein the bottom plate further has a noise reduction opening structure formed between the first engaging structure and the second engaging structure, wherein the lower buffer portion of the circuit board is disposed on Above the noise reduction aperture structure, when the keycap moves up and down relative to the bottom plate, the lower buffer portion is deformable to at least partially enter the noise reduction aperture structure. The button of claim 1, wherein the receiving recess opening forms a receiving space, the buffering member has a noise reducing rib adjacent to the receiving space, and the noise reducing rib extends along a long axis of the buffering member. When the interlocking end moves in the receiving space, the interlocking end abuts against the noise reduction rib, thereby reducing the contact area between the interlocking end and the cushioning member. The button of claim 1, wherein the bottom surface of the keycap is further formed with a recess, and when the keycap moves downwardly to the bottom plate, the buffer member at least partially enters the recess, thereby increasing the keycap relative to the The distance the bottom plate moves up and down. The button of claim 1, wherein the buffer member comprises a first assembly slot, a second assembly slot and a limiting rib, the first engaging structure is mounted in the first assembly slot, the second card The structure is installed in the second assembly slot, the limiting rib protrudes from the slot wall of the second assembly slot, and the limiting rib abuts against the second engaging structure, so that the limiting rib and the pivoting card The joint portion collectively restricts movement of the cushioning member in a direction parallel to the long axis of the cushioning member. The button of claim 17, wherein the buffer member is further formed with a receiving slot that is connected to the second assembly slot, the limiting rib is disposed in the receiving slot, and the second engaging structure comprises: a second a root extending from the bottom plate; and a second horizontal extension protruding from the second root portion, the second horizontal extension portion for hooking to the snap engagement portion; wherein the second horizontal extension portion is hooked The second rib is located in the second assembly slot, and the second horizontal extension is received in the receiving slot and does not protrude. On the upper surface of the cushioning member. The button of claim 1, wherein the pivotal engaging portion is substantially an arc-shaped cross-sectional structure, and the outer contour of the first engaging structure substantially corresponds to the curved cross-sectional structure, the curved cross-sectional structure It is selected from the group consisting of a cylindrical structure and a semi-cylindrical structure. An assembly method for assembling a button, the button comprises a bottom plate, a key cap, a supporting mechanism, a balance bar and a buffering member, the bottom plate has a first engaging structure and a second engaging structure, the balance bar The utility model has an upper end of the balance bar and an interlocking end, the buffering member has a pivotal engaging portion, a snap engaging portion and a receiving recess, the assembling method comprising the steps of: engaging the pivoting engaging portion a first engaging structure; rotating the pivotal engaging portion relative to the first engaging structure toward the bottom plate, engaging the snap engaging portion with the second engaging structure, and causing the bottom plate and the receiving recess Adjacent to form a limiting structure; and the linking end is movably disposed within the limiting structure.