TW202027111A - Keyboard apparatus and touch pad device thereof - Google Patents

Abstract

A keyboard apparatus includes a board, keyswitches disposed on the board, a circuit board, and a touch pad device including a touch pad and a button sheet. The touch pad is disposed on the board and is located at a side of the keyswitches. The button sheet is located between the keyswitches and the touch pad and has a sheet portion and an arm portion extending from the sheet portion toward the keyswitches and having a three-claw structure. A convex engaging structure is formed on the board corresponding to the three-claw structure. The three-claw structure is pivotably engaged with the convex engaging structure to make the sheet portion movable up and down relative to the board. The circuit board is disposed between the touch pad device and the board and has a switch corresponding to the sheet portion. When the sheet portion is pressed, the sheet portion triggers the switch.

Description

Keyboard equipment and its touch panel device

The present invention relates to a keyboard device and a touch panel device thereof, in particular to a keyboard device and a touch panel device in which the button piece of the touch panel can be pivotally clamped on a bottom plate by using a three-jaw clamping structure.

In terms of current personal computer usage habits, the keyboard is one of the indispensable input devices for inputting text, symbols or numbers. With the increasing popularity of computers, the development of today’s keys and keyboards, in addition to general input functions, also emphasizes the design of integration with other input devices. For example, a notebook computer is equipped with a keyboard and a touchpad device. Representative design. In the prior art, in order to arrange the touch panel device on one side of the keyboard keys, the common design is to additionally heat-melt the key support iron plate with a snap frame structure for connecting with the button sheet of the touch panel device. However, this design that requires additional welding of the clamping frame structure on the supporting iron plate will not only increase the manufacturing cost and assembly time of the keyboard, but also cannot effectively reduce the overall height of the keys and is not conducive to the keys. Thin design.

Therefore, the object of the present invention is to provide a keyboard device and a touch panel device in which the button piece of the touch panel can be pivotally locked on the bottom plate by using a three-jaw locking structure to solve the above-mentioned problems.

According to an embodiment, the keyboard device of the present invention includes a bottom plate, a plurality of keys, a touch panel device, and a circuit board. The plurality of keys are arranged on the bottom plate. The touch panel device includes a touch panel and at least one button piece. The touch pad is arranged on the bottom plate and located on one side of the plurality of keys. The at least one button piece is located between the plurality of buttons and the touch pad and has a pressing piece portion and an elastic arm portion. The elastic arm portion extends from the pressing piece portion to the plurality of buttons and forms at least one A three-claw engaging structure. The bottom plate forms a protruding engaging structure at a position corresponding to the at least one three-claw engaging structure. The at least one three-claw engaging structure is pivotally engaged with the protruding engaging structure so that the pressing The piece can move up and down relative to the bottom plate. The circuit board is arranged between the touch panel device and the bottom plate and has a switch corresponding to the position of the pressing sheet. When the pressing sheet is pressed, the pressing sheet is pressed down to trigger the switch.

According to another embodiment, the touch panel device of the present invention is suitable for a keyboard device having a plurality of keys. The touch panel device includes a bottom plate, a touch panel, at least one button piece, and a circuit board. The touch pad is arranged on the bottom plate and located on one side of the plurality of keys. The at least one button piece is located between the plurality of buttons and the touch pad and has a pressing piece portion and an elastic arm portion. The elastic arm portion extends from the pressing piece portion to the plurality of buttons and forms at least one A three-claw engaging structure. The bottom plate forms a protruding engaging structure at a position corresponding to the at least one three-claw engaging structure. The at least one three-claw engaging structure is pivotally engaged with the protruding engaging structure so that the pressing The piece can move up and down relative to the bottom plate. The circuit board is arranged between the touch pad and the bottom plate and has a switch corresponding to the position of the pressing sheet. When the pressing sheet is pressed, the pressing sheet is pressed down to trigger the switch.

Through the above design, because the button piece can be directly connected to the bottom plate by using the three-claw locking structure of the elastic arm to extend into the protruding locking structure of the bottom plate, there is no need to heat the bottom plate for additional locking. Therefore, the present invention can not only reliably solve the problem that the design of the additional welding frame structure on the supporting iron plate mentioned in the prior art will increase the manufacturing cost and assembly time of the keyboard, but also effectively Reducing the overall height of the key is conducive to the thin design of the key.

The advantages and spirit of the present invention can be further understood from the following detailed description of the invention and the accompanying drawings.

Please refer to Figure 1, Figure 2, and Figure 3. Figure 1 is a three-dimensional schematic view of a keyboard device 10 according to an embodiment of the present invention, and Figure 2 is the bottom plate 12 and button pieces of Figure 1 20 and a partial exploded schematic view of the circuit board 18, Figure 3 is a schematic diagram of the assembly of the bottom plate 12, the button piece 20 and the circuit board 18 in Figure 2, as shown in Figure 1, Figure 2, and Figure 3. The keyboard The device 10 can be preferably applied to common computer devices (such as the notebook computer 1 shown in Figure 1, but not limited to this) and includes a bottom board 12, a plurality of buttons 14, a touch panel device 16, and Circuit board 18. A plurality of buttons 14 are arranged on the bottom plate 12 for the user to press, and then perform the function input by the user. The touchpad device 16 includes a touchpad 18 and at least one button piece 20 (two are shown in the first figure, but not limited thereto). The touchpad 18 is arranged on the bottom plate 12 and located on one side of the plurality of buttons 14 for the user to perform corresponding touch operations, such as moving the cursor, etc. The related descriptions of the touch principle and device design are common In the prior art, it will not be repeated here.

The following is a detailed description of the connection design between the button sheet 20 and the bottom plate 12. As can be seen from Figure 1, Figure 2 and Figure 3, the button sheet 20 is located between the plurality of buttons 14 and the touch pad 18 and has The pressing piece portion 22 and the elastic arm portion 24, the elastic arm portion 24 is extended from the pressing piece portion 22 reciprocating several buttons 14 and is formed with at least one three-claw engaging structure 26 (two are shown in Figure 2, but not This limit), the bottom plate 12 is formed with a protruding engaging structure 28 at a position corresponding to the three-jaw engaging structure 26, whereby the three-jaw engaging structure 26 is pivotally engaged with the protruding engaging structure 28, so that the pressing piece 22 can move up and down relative to the bottom plate 12.

In more detail, in this embodiment, the three-jaw engaging structure 26 may have two auxiliary claws 30 and an engaging claw 32. The two auxiliary claws 30 are formed on both sides of the engaging claw 32, and the protruding engaging structure 28 is preferably The ground is protrudingly formed on the bottom plate 12 by punching and recessing. The engaging claws 32 are inserted into the protruding engaging structure 28 in a structural interference manner (as shown in Figure 3), and the two auxiliary claws 30 extend into the protruding card. The closing structure 28 prevents the button sheet 20 from deflecting laterally under pressure, whereby the elastic arm portion 24 can be pivotally connected to the bottom plate 12 so that the pressing piece 22 can move up and down with respect to the bottom plate 12 stably. In practical applications, as shown in Figure 2, the position of the engaging end P of the engaging claw 32 corresponding to the protruding engaging structure 28 can be formed with a chamfered surface chamfering structure 34 to guide the engaging claw 32 to extend smoothly The card is inserted into the protruding locking structure 28. It should be noted that the engagement design of the auxiliary claw and the engagement claw and the protruding engagement structure may not be limited to the above-mentioned embodiment. For example, in another embodiment, the engagement claw of the elastic arm can abut against On the protruding engaging structure of the bottom plate and the two auxiliary claws can extend into the protruding engaging structure, the engaging claws and the two auxiliary claws can clamp the protruding engaging structure up and down so that the elastic arm is pivotally connected to the bottom plate The prominent locking structure.

As for the switch trigger design, please refer to Figure 2, Figure 4, and Figure 5. Figure 4 is a partial cross-sectional view of the keyboard device 10 of Figure 1 along the section line AA, and Figure 5 is Figure 4. The cross-sectional schematic diagram of the pressing sheet 22 when it is pressed, as can be seen from Figures 2, 4, and 5, the circuit board 18 is disposed between the touch panel device 16 and the bottom plate 12 and corresponds to the pressing sheet 22 The position has a switch 19, whereby when the pressing piece 22 is pressed from the position shown in Fig. 4 to the position shown in Fig. 5, the pressing piece 22 can correspondingly press the trigger switch 19 (for example The pressing sheet portion 22 may have a bump 23 to press the trigger switch 19, but it is not limited thereto), so that the touch panel device 16 performs a corresponding touch input function, such as clicking a function icon.

Through the above design, because the button piece 20 can be directly pivoted to the bottom plate 12 by using the three-claw locking structure 26 of the elastic arm 24 to extend into the protruding locking structure 28 of the bottom plate 12, there is no need to be on the bottom plate. The additional heat fusion has a snap frame structure. Therefore, the present invention can not only reliably solve the problem of the need for an additional fusion snap frame structure on the supporting iron plate mentioned in the prior art, which will increase the manufacturing cost and assembly time of the keyboard At the same time, it can effectively reduce the overall height of the keys, which is conducive to the thin design of the keys.

It is worth mentioning that the design of the pivotal connection between the button sheet and the bottom plate may not be limited to the above embodiment. For example, in another embodiment, the protruding engagement structure may be formed by cutting and bending the plate. A bent piece formed by protruding and bending from the bottom plate, whereby the engagement claw can be inserted under the bent piece in a structural interference manner, and two auxiliary claws extend into the bent piece to prevent the button piece The situation of lateral deflection under pressure occurs, so that the pressing piece of the button piece can move stably up and down relative to the bottom plate through the pivotal connection of the elastic arm portion and the bottom plate; or, in another embodiment, the protruding engagement structure It can be a pivotal hook protruding from the bottom plate, and the engaging pawl may have a pivot end correspondingly, so that the pivotal hook can buckle the pivotal end of the engaging pawl and the two auxiliary pawls abut Leaning on the bottom plate allows the pressing piece of the button piece to be stably moved up and down relative to the bottom plate via the pivotal connection between the elastic arm portion and the bottom plate. As for the detailed description of the above-mentioned derivative variant embodiment, it can be deduced by referring to Fig. 2 to Fig. 4, which will not be repeated here. The foregoing descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of the present invention.

1: laptop 10: keyboard device 12: bottom plate 14: Button 16: Touchpad device 18: circuit board 19: switch 20: Button pieces 22: Press the sheet 23: bump 24: Flexible arm 26: Three-jaw clamping structure 28: Highlight the snap-fit structure 30: auxiliary claw 32: engagement claw 34: chamfered surface leading angle structure P: Snap end

Figure 1 is a three-dimensional schematic diagram of a keyboard device according to an embodiment of the present invention. Figure 2 is a partial exploded schematic view of the bottom plate, button piece and circuit board of Figure 1. Figure 3 is a schematic diagram of the assembly of the bottom plate, button pieces and circuit board of Figure 2. Figure 4 is a schematic partial cross-sectional view of the keyboard device of Figure 1 along the section line A-A. Fig. 5 is a schematic cross-sectional view of the pressing piece of Fig. 4 when being pressed.

12: bottom plate

18: circuit board

19: switch

20: Button pieces

22: Press the sheet

24: Flexible arm

26: Three-jaw clamping structure

28: Highlight the snap-fit structure

30: auxiliary claw

32: engagement claw

34: chamfered surface leading angle structure

P: Snap end

Claims (10)

A keyboard device, which includes: A bottom plate A plurality of buttons, which are arranged on the bottom plate; A touchpad device including: A touch pad arranged on the bottom plate and located on one side of the plurality of keys; and At least one button piece, which is located between the plurality of buttons and the touch pad and has a pressing piece portion and an elastic arm portion, the elastic arm portion extends from the pressing piece portion to the plurality of buttons and is formed with at least A three-jaw engaging structure, the bottom plate corresponds to a position of the at least one three-jaw engaging structure to form a protruding engaging structure, the at least one three-jaw engaging structure can be pivotally engaged with the protruding engaging structure, so that the The pressing piece can move up and down relative to the bottom plate; and A circuit board is arranged between the touch panel device and the bottom plate and has a switch corresponding to the position of the pressing piece. When the pressing piece is pressed, the pressing piece is pressed down to trigger the switch. The keyboard device according to claim 1, wherein the at least one three-jaw engaging structure has two auxiliary claws and an engaging claw, the two auxiliary claws are formed on both sides of the engaging claw, and the protruding engaging structure is stamped A recessed manner is protrudingly formed on the bottom plate, the engaging claws extend into the protruding engaging structure in a structural interference manner, and the two auxiliary claws extend into the protruding engaging structure, so that the elastic arm is pivotally connected于The bottom plate. The keyboard device according to claim 2, wherein one of the engaging ends of the engaging pawl forms a chamfered surface chamfered structure at a position corresponding to the protruding engaging structure. The keyboard device according to claim 1, wherein the at least one three-jaw engaging structure has two auxiliary claws and an engaging claw, the two auxiliary claws are formed on both sides of the engaging claw, and the protruding engaging structure is a For the bent piece, the engaging claw extends into and engages under the bent piece in a structural interference manner, and the two auxiliary claws extend into the bent piece, so that the elastic arm is pivotally connected to the bottom plate. The keyboard device according to claim 1, wherein the at least one three-jaw engaging structure has two auxiliary claws and an engaging claw, the two auxiliary claws are formed on both sides of the engaging claw, and the protruding engaging structure is a A pivotal hook, the engaging pawl has a pivot end, the pivotal hook buckles the pivot end and the two auxiliary pawls abut on the bottom plate, so that the elastic arm is pivotally connected to the bottom plate . A touch panel device suitable for a keyboard device with a plurality of keys, the touch panel device includes: A bottom plate A touch pad arranged on the bottom plate and located on one side of the plurality of buttons; At least one button piece, which is located between the plurality of buttons and the touch pad and has a pressing piece portion and an elastic arm portion, the elastic arm portion extends from the pressing piece portion to the plurality of buttons and is formed with at least A three-jaw engaging structure, the bottom plate corresponds to a position of the at least one three-jaw engaging structure to form a protruding engaging structure, the at least one three-jaw engaging structure can be pivotally engaged with the protruding engaging structure, so that the The pressing piece can move up and down relative to the bottom plate; and A circuit board is arranged between the touch panel and the bottom plate and has a switch corresponding to the position of the pressing piece. When the pressing piece is pressed, the pressing piece is pressed down to trigger the switch. The touch panel device according to claim 6, wherein the at least one three-claw engaging structure has two auxiliary claws and an engaging claw, the two auxiliary claws are formed on both sides of the engaging claw, and the protruding engaging structure It is protrudingly formed on the bottom plate by punching and recessing, the engaging claw extends into the protruding engaging structure in a structural interference manner, and the two auxiliary claws extend into the protruding engaging structure, so that the elastic arm portion It is pivotally connected to the bottom plate. The touch panel device according to claim 7, wherein one of the engaging ends of the engaging claws forms a chamfered surface chamfered structure at a position corresponding to the protruding engaging structure. The touch panel device according to claim 6, wherein the at least one three-claw engaging structure has two auxiliary claws and an engaging claw, the two auxiliary claws are formed on both sides of the engaging claw, and the protruding engaging structure Is a bent piece, the engaging claws extend into and engage under the bent piece in a structural interference manner, and the two auxiliary claws extend into the bent piece, so that the elastic arm is pivotally connected to the bottom plate . The touch panel device according to claim 6, wherein the at least one three-claw engaging structure has two auxiliary claws and an engaging claw, the two auxiliary claws are formed on both sides of the engaging claw, and the protruding engaging structure Is a pivotal hook, the engaging pawl has a pivot end, the pivotal hook is buckled with the pivot end and the two auxiliary pawls abut on the bottom plate, so that the elastic arm is pivoted to The bottom plate.

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