CN117666818A

CN117666818A - Touch control panel device

Info

Publication number: CN117666818A
Application number: CN202211049154.0A
Authority: CN
Inventors: 侯柏军; 李柏欣; 郑企宏
Original assignee: Chicony Electronics Suzhou Co Ltd
Current assignee: Chicony Electronics Suzhou Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2024-03-08

Abstract

A touch panel device comprises a substrate and a touch panel. The base plate includes mainboard, first limiting plate and first flexible piece, and the mainboard has long limit and minor face, and first limiting plate has first backstop portion, and first flexible piece body coupling is between long limit and first limiting plate, and first limiting plate is adjacent to the minor face. The touch panel is arranged above the substrate and is provided with a bottom surface, the bottom surface is provided with a pivoting side, a swinging side, a first side and a second side, the pivoting side and the first side are opposite to each other, the pivoting side is arranged on the main board, the first limiting plate of the substrate is fixed on the bottom surface and is adjacent to the first side, and the first stop part of the first limiting plate protrudes out of the edge of the first side.

Description

Touch control panel device

Technical Field

The present invention relates to an input device, and more particularly, to a touch pad device.

Background

The touch pad is an input device widely used in computers, and is used for sensing movement or pressing of a finger of a user to control cursor movement (such as displacement or clicking, etc.).

The touch panel structure of the prior art comprises a touch panel and a substrate, wherein the touch panel is provided with a pivoting side and is fixed on the substrate by the pivoting side, and when the part of the touch panel far away from the pivoting side is pressed, the touch panel can swing and descend relative to the substrate by taking the pivoting side as an axis to generate corresponding signals.

Generally, the touch panel structure is installed in the housing, and the housing is provided with an opening to expose the touch panel for operation by a user. In addition, in order to avoid the touch panel protruding out of the surface of the housing and affecting the appearance of the product and the operation feel of the user, a plurality of limiting elements are additionally arranged on the touch panel structure to limit the height of the touch panel.

Disclosure of Invention

In view of the foregoing, in an embodiment, a touch pad device includes a substrate and a touch panel. The base plate includes mainboard, first limiting plate and first flexible piece, and the mainboard has long limit and minor face, and first limiting plate has first backstop portion, and first flexible piece body coupling is between long limit and first limiting plate, and first limiting plate is adjacent to the minor face. The touch panel is arranged above the substrate and is provided with a bottom surface, the bottom surface is provided with a pivoting side, a swinging side, a first side edge and a second side edge, the pivoting side and the swinging side are opposite to each other, the first side edge and the second side edge are connected between the pivoting side and the swinging side, the pivoting side is arranged on the main board, the first limiting plate of the substrate is fixed on the bottom surface and is adjacent to the first side edge, and the first stop part of the first limiting plate protrudes out of the edge of the first side edge.

In summary, according to the touch pad device of the embodiment of the invention, the first flexible member is integrally connected between the long side of the main board and the first limiting plate, that is, the main board, the first flexible member and the first limiting plate are in an integrally formed structure, and the first stop portion of the first limiting plate protrudes out of the edge of the touch panel, so that the height position of the touch panel can be limited by directly using the first stop portion of the substrate, and the manufacturing cost and the assembly steps are reduced without additionally arranging a limiting element, thereby improving the production efficiency of the product and reducing the weight of the product.

Drawings

FIG. 1 is a schematic diagram of an application of a touch pad device of the present invention;

FIG. 2 is an exploded perspective view of a first embodiment of the touch pad device of the present invention;

FIG. 3 is an enlarged partial perspective view of a first embodiment of the touch pad device of the present invention;

FIG. 4 is another enlarged partial perspective view of the first embodiment of the touch pad device of the present invention;

FIG. 5 is a bottom view of a first embodiment of the touch pad device of the present invention;

FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. 5;

FIG. 7 is a cross-sectional view of a second embodiment of the touch pad device of the present invention;

FIG. 8 is a cross-sectional view taken along line 8-8 of FIG. 5;

FIG. 9 is a cross-sectional view taken along line 9-9 of FIG. 5;

FIG. 10 is an exploded perspective view of a third embodiment of the touch pad device of the present invention;

fig. 11 is an exploded perspective view of a fourth embodiment of the touch pad device of the present invention.

[ symbolic description ]

N-notebook computer

1 touch control panel device

10 substrate

11 main board

111 long side

112,113 short sides

12 reinforcing plate

13 first limiting plate

131 first stop part

132 side edge

14 second limiting plate

141 second stop part

15 first flexible piece 151, strip arm plate 152, bending portion 153, bending section 16, second flexible piece 17, fixing piece 18, first bending plate 181, first vertical plate 182, first transverse plate 19, second bending plate 191, second vertical plate 192, second transverse plate 20, touch panel 201, touch substrate 202, circuit board 21, bottom surface 211, pivot side 212, swing side 213, first side 214, second side 22, trigger switch 30, cover plate 31, hollow holes 32,33, limit portion 40, spacer A, adhesive layers S1, S2, solder C1, C2, metal plating layer

Detailed Description

It should be noted that, in the descriptions of the embodiments, the terms "first" and "second" are used to describe different elements, and these elements are not limited by such predicates. Furthermore, the same reference numbers will be used throughout the drawings to refer to the same or like elements.

As shown in fig. 1 and fig. 2, the touch pad device 1 (e.g., touch pad or Trackpad) of the embodiment of the invention can be applied to a computer product, and a user can operate the touch pad device 1 by sliding or pressing a finger to control the displacement of a cursor or generate a corresponding control signal. For example, as shown in fig. 1, in the present embodiment, the touch pad device 1 is applied to a notebook computer N. However, the invention is not limited thereto, and the touch pad device 1 can be applied to other portable computers (e.g. tablet computers) in other embodiments. Alternatively, the touch pad device 1 may be a stand-alone device and be externally connected to a portable computer, which is not limited in this embodiment.

As shown in fig. 2 to 4, in the first embodiment of the present invention, the touch pad device 1 includes a substrate 10 and a touch panel 20, and the substrate 10 includes a main board 11, a first limiting board 13, a second limiting board 14, a first flexible member 15 and a second flexible member 16. In the present embodiment, the main board 11 is an elongated board body and has a long side 111 and two short sides 112,113 opposite to each other, the first limiting board 13 may be a board with various shapes, such as an elongated, rectangular, square or other irregularly shaped board, the first limiting board 13 has a first stopping portion 131, and the first limiting board 13 is adjacent to one of the short sides 112 of the main board 11, the first stopping portion 131 is a board and integrally extends from one side of the first limiting board 13, and the first stopping portion 131 is used to limit the height position of the touch panel 20. The second limiting plate 14 may also be a plate of various shapes, such as a strip, rectangle, square or other irregularly shaped plate, the second limiting plate 14 has a second stop portion 141, the second limiting plate 14 is adjacent to the other short side 113 of the main board 11, the second stop portion 141 is a plate and integrally extends from one side of the second limiting plate 14, and the second stop portion 141 is used to limit the height position of the touch panel 20.

As shown in fig. 2 to 4, the first flexible member 15 is integrally connected between the long side 111 of the main board 11 and the first limiting plate 13, wherein the first flexible member 15 can be a plate with various shapes, such as a strip, rectangle, square or other irregularly shaped plate, and the second flexible member 16 is integrally connected between the long side 111 of the main board 11 and the second limiting plate 14, wherein the second flexible member 16 can be a plate with various shapes, such as a strip, rectangle, square or other irregularly shaped plate, that is, the main board 11, the first limiting plate 13, the second limiting plate 14, the first flexible member 15 and the second flexible member 16 of the substrate 10 are integrally formed. In some embodiments, the substrate 10 may be made of metal (e.g., iron, aluminum, or alloy) or plastic, and has a rigid plate body for supporting.

As shown in fig. 2 to 4, the touch panel 20 is disposed above the substrate 10, in this embodiment, the touch panel 20 includes a touch substrate 201 and a circuit board 202 stacked and fixed on each other, and the circuit board 202 is close to the substrate 10 relative to the touch substrate 201, wherein the touch substrate 201 is used for a user to touch or press, the circuit board 202 can generate functions of scrolling, zooming in, zooming out, or opening a window according to a user's finger sliding or gesture on the touch substrate 201, or the circuit board 202 can generate functions of selecting or displaying a function table according to a user's finger pressing or clicking on the touch substrate 201.

In some embodiments, the touch substrate 201 may be a board body made of glass or polyester resin (mylar), and the circuit board 202 may be a general circuit board (Printed Circuit Board, PCB), a flexible circuit board (Flexible Print Circuit Board, FPCB), or a flexible-Rigid composite circuit board (rgid-Flex PCB). In addition, the surfaces of the touch substrate 201 and the circuit board 202 adjacent to each other may be integrated into the same board body by bonding with a back adhesive, a chemical adhesive (e.g., a photo-curing adhesive), or a physical adhesive (e.g., a thermosetting adhesive or a thermoplastic adhesive).

As shown in fig. 2 to 4, the touch panel 20 has a bottom surface 21, the bottom surface 21 faces the substrate 10 and has a pivot side 211, a swing side 212, a first side 213 and a second side 214, wherein the pivot side 211 and the swing side 212 are located at opposite sides, the first side 213 and the second side 214 are located at opposite sides, the first side 213 is connected to the pivot side 211 and the swing side 212, and the second side 214 is connected to the pivot side 211 and the swing side 212. Here, the touch panel 20 is rectangular in shape, and the lengths of the pivot side 211 and the swing side 212 are greater than the lengths of the first side 213 and the second side 214, respectively, but the invention is not limited thereto.

As shown in fig. 2 to 4, the width of the main board 11 of the substrate 10 is smaller than the width of the touch panel 20, that is, the lengths of the two short sides 112 and 113 of the main board 11 are respectively smaller than the lengths of the first side 213 and the second side 214 of the touch panel 20, for example, the width of the main board 11 is 1/3, 1/4 or 1/5 of the width of the touch panel 20, and the main board 11 is adjacent to the pivot side 211 of the touch panel 20. The pivoting side 211 of the touch panel 20 is disposed on the main board 11 of the substrate 10, so that the touch panel 20 can swing around the pivoting side 211 as an axis relative to the substrate 10, in this embodiment, the bottom surface 21 of the touch panel 20 is provided with a trigger switch 22, for example, the trigger switch 22 may be a push button switch or a micro switch, and the trigger switch 22 is adjacent to the swinging side 212. Accordingly, when the touch panel 20 is pressed to swing relative to the substrate 10, the swing side 212 can descend relative to the substrate 10, so that the trigger switch 22 is triggered to generate a signal.

As shown in fig. 2 to 5, the first limiting plate 13 of the substrate 10 is fixed on the bottom surface 21 of the touch panel 20, and the first limiting plate 13 is adjacent to the first side 213 and extends toward the swinging side 212, and the first stop portion 131 of the first limiting plate 13 protrudes the edge of the first side 213, the second limiting plate 14 is fixed on the bottom surface 21 of the touch panel 20, the second limiting plate 14 is adjacent to the second side 214 and extends toward the swinging side 212, and the second stop portion 141 of the second limiting plate 14 protrudes the edge of the second side 214. In addition, the first flexible element 15 and the second flexible element 16 are not fixed on the bottom surface 21 of the touch panel 20, but have flexibility, so when the touch panel 20 is pressed and swings relative to the substrate 10, the first flexible element 15 and the second flexible element 16 can generate moderate deformation, so as to reduce the resistance applied by the touch panel 20 during operation.

In summary, according to the touch pad device 1 of the embodiment of the invention, the main board 11, the first limiting board 13, the second limiting board 14, the first flexible member 15 and the second flexible member 16 of the substrate 10 are integrally formed, the first stop portion 131 of the first limiting board 13 protrudes from the edge of the touch panel 20, and the second stop portion 141 of the second limiting board 14 protrudes from the other edge of the touch panel 20, so that the height position of the touch panel 20 can be limited by directly using the first stop portion 131 and the second stop portion 141 of the substrate 10, and no additional limiting element is required to be provided to reduce the manufacturing cost and the assembly steps, thereby improving the production efficiency of the product and reducing the weight of the product.

For example, as shown in fig. 2, 5 and 6, in the present embodiment, the touch pad device 1 further includes a cover plate 30, the cover plate 30 covers over the touch panel 20 and includes a hollow hole 31 and two limiting portions 32 and 33, the position of the hollow hole 31 corresponds to the position of the touch panel 20, so that the touch panel 20 can expose the cover plate 30 for operation by a user, the two limiting portions 32 and 33 are respectively local surfaces of the bottom of the cover plate 30, and the two limiting portions 32 and 33 are respectively grooves and are located on opposite sides of the cover plate 30. The first stop portion 131 of the first stop plate 13 abuts against the groove of the stop portion 32, and the second stop portion 141 of the second stop plate 14 abuts against the groove of the other stop portion 33, so as to limit the height position of the touch panel 20, and prevent the touch panel 20 from protruding out of the top surface of the cover plate 30 to make the appearance of the product and the operation feel of the user.

In some embodiments, the substrate 10 of the touch panel device 1 may also have only a single limiting plate (such as the first limiting plate 13 described above), so as to limit the height position of the touch panel 20 by the first limiting plate 13 cooperating with the limiting portion 32 of the cover 30 (as shown in fig. 6).

In some embodiments, the surface of the first limiting plate 13 and the bottom surface 21 of the touch panel 20 or the surface of the second limiting plate 14 and the bottom surface 21 of the touch panel 20 may be fixed by adhesion or welding. As shown in fig. 6, taking the first limiting plate 13 as an example, in this embodiment, the surface of the first limiting plate 13 and the bottom surface 21 of the touch panel 20 are adhered and fixed by an adhesive layer a, for example, the adhesive layer a may be a back adhesive, a chemical adhesive (e.g. a photo-curing adhesive), or a physical adhesive (e.g. a thermosetting adhesive or a thermoplastic adhesive).

Alternatively, as shown in fig. 7, in the second embodiment of the present invention, the first limiting plate 13 and the bottom surface 21 of the touch panel 20 are welded and fixed by using a solder S1 (for example, an alloy of tin), for example, assuming that the first limiting plate 13 is made of a material with good weldability (for example, copper or a copper alloy), the first limiting plate 13 and the touch panel 20 may be directly welded and fixed by the solder S1. In addition, assuming that the first limiting plate 13 is made of a material with poor weldability (such as cast iron, stainless steel or aluminum), the area to be welded on the surface of the first limiting plate 13 may be provided with a metal plating layer C1 (as shown in fig. 7), for example, the metal plating layer C1 may be a material with good weldability (such as copper or copper alloy), so that the bottom surface 21 of the touch panel 20 and the metal plating layer C1 are welded by the solder S1, so that the first limiting plate 13 is fixed on the bottom surface 21 of the touch panel 20. In addition, the first limiting plate 13 and the touch panel 20 are welded and fixed, so that the first limiting plate 13 is electrically connected to a local area of the circuit board 202 to form a grounding loop, thereby having the grounding function, and further reducing the manufacturing cost without additionally arranging a grounding element.

In some embodiments, the width of the first flexible member 15 may be smaller than the width of the first limiting plate 13, and the width of the second flexible member 16 may be smaller than the width of the second limiting plate 14, so that when the touch panel 20 is pressed to swing around the substrate 10, the resistance generated by the first flexible member 15 and the second flexible member 16 can be greatly reduced, and the consumer is prevented from pressing too hard to improve the comfort of the user.

As shown in fig. 3, 5 and 8, taking the first flexible element 15 as an example, in this embodiment, the first flexible element 15 includes a plurality of strip-shaped arm plates 151 (here, two strip-shaped arm plates 151, but the number of strip-shaped arm plates 151 is not limited), the two strip-shaped arm plates 151 are spaced apart from each other, and the width of each strip-shaped arm plate 151 is smaller than the width of the first limiting plate 13, for example, the width of the strip-shaped arm plate 151 is 1/3, 1/4 or 1/5 of the width of the first limiting plate 13, which depends on how much resistance generated by the first flexible element 15 needs to be overcome when each device is pressed by the touch panel 20 to swing relative to the substrate 10. Each of the bar-shaped armplates 151 contacts the bottom surface 21 of the touch panel 20, and one end of each of the bar-shaped armplates 151 is integrally connected to the first limiting plate 13, and the other end of each of the bar-shaped armplates 151 has a bending portion 152, in this embodiment, since the first limiting plate 13 and the circuit board 202 are mutually abutted to each other and have a height difference from the main board 11, the bending portion 152 is bent downward and integrally connected to the long side 111 of the main board 11. Therefore, by the arrangement of the bending portion 152, the first flexible member 15 can integrally connect the main board 11 and the first limiting board 13 at different heights to be directly fixed to each other without applying an excessive adhesive, and in addition, when the touch panel 20 is pressed to swing around the substrate 10, the bending portion 152 can generate bending deformation, so as to avoid stress concentration and further reduce the resistance applied to the touch panel 20 during actuation.

As shown in fig. 3, in the present embodiment, the first limiting plate 13 has a side 132 facing the main board 11, and the two bar-shaped arm plates 151 of the first flexible member 15 are integrally connected to opposite ends of the side 132, respectively, so that the first flexible member 15 and the first limiting plate 13 can have better connection strength, and deformation or fracture of the bar-shaped arm plates 151 during the operation of the touch panel 20 is avoided. In addition, by the design that the two strip-shaped armplates 151 of the first flexible member 15 are integrally connected to the opposite ends of the side 132, better balance of the two strip-shaped armplates 151 in stress can be provided.

As shown in fig. 3, each of the strip-shaped armplates 151 of the first flexible element 15 may have at least one bending section 153, and in this embodiment, each of the strip-shaped armplates 151 has two elongated bending sections 153 with an S-shape, an L-shape, an I-shape or an N-shape, but not limited thereto, the purpose of the bending sections 153 is to greatly reduce the resistance generated by each of the strip-shaped armplates 151 when the touch panel 20 is pressed to swing around the substrate 10, so as to improve the comfort of the user.

As shown in fig. 3 and fig. 4, the structure of the second flexible element 16 may be the same as or similar to the structure of the first flexible element 15, for example, the structure of the first flexible element 15 and the structure of the second flexible element 16 may be symmetrically arranged with each other, and detailed description thereof will not be repeated.

In some embodiments, the first flexible member 15 may also include a single bar-shaped arm plate 151. As shown in fig. 10, in the third embodiment of the present invention, the first flexible member 15 only includes a strip-shaped arm plate 151, the strip-shaped arm plate 151 contacts the bottom surface 21 of the touch panel 20, one end of the strip-shaped arm plate 151 is integrally connected to the first limiting plate 13, the other end of the strip-shaped arm plate 151 has a bending portion 152, and the bending portion 152 is integrally connected to the long side 111 of the main board 11. In addition, in the present embodiment, the substrate 10 further includes a reinforcing plate 12, and the reinforcing plate 12 is integrally connected between the first limiting plate 13 and the second limiting plate 14, so as to enhance the overall structural strength of the substrate 10, and avoid deformation or fracture of the strip-shaped arm plate 151 during the actuation process of the touch panel 20.

As shown in fig. 2 and 9, the touch pad device 1 further includes a spacer 40, in this embodiment, the spacer 40 is an elongated plate with a thickness, wherein the spacer 40 may be made of metal, plastic, rubber, silica gel or sponge, and the spacer 40 is fixed between the main board 11 and the pivot side 211 of the bottom surface 21 of the touch pad 20, so that the touch pad 20 and the substrate 10 maintain a space therebetween, and thus the touch pad 20 has enough space to perform a pendulum motion relative to the substrate 10 through the pivot side 211. In some embodiments, the spacer 40 may be fixed between the main board 11 and the touch panel 20 by adhesion, spot welding, thermal welding or locking, for example, two surfaces of the spacer 40 contacting the main board 11 and the bottom surface 21 may be respectively provided with adhesive, so that the touch panel 20, the spacer 40 and the main board 11 are adhered and fixed to each other.

In addition, as shown in fig. 2, in the present embodiment, the fixing member 17 is further disposed on the main board 11, and the fixing member 17 is used for fixing the main board 11 to the bottom surface 21 of the touch panel 20, so as to further enhance the fixing effect of the main board 11 and the touch panel 20. In addition, the spacer 40 can be clamped between the main board 11 and the touch panel 20 by fixing the fixing member 17 to the touch panel 20, so as to achieve the fixing effect of the spacer 40.

As shown in fig. 2 to 4 and 9, in the present embodiment, the fixing member 17 includes a first bending plate 18 and a second bending plate 19, and the first bending plate 18 and the second bending plate 19 are respectively formed by bending the main plate 11 integrally and upwardly, for example, the first bending plate 18 and the second bending plate 19 may be respectively L-shaped, U-shaped, T-shaped or other shaped bending plates. The first bending plate 18 and the second bending plate 19 are respectively located at two opposite ends of the main board 11, the first bending plate 18 has a first vertical plate 181 and a first horizontal plate 182, the first horizontal plate 182 is integrally connected to the top end of the first vertical plate 181 and is fixed to the bottom surface 21 of the touch panel 20, the second bending plate 19 has a second vertical plate 191 and a second horizontal plate 192, and the second horizontal plate 192 is integrally connected to the top end of the second vertical plate 191 and is fixed to the bottom surface 21 of the touch panel 20.

In some embodiments, the fixing element 17 on the main board 11 and the bottom surface 21 of the touch panel 20 may be welded and fixed to each other, as shown in fig. 9, for example, the first bending plate 18 of the fixing element 17 is used as an example, the first transverse plate 182 of the first bending plate 18 and the bottom surface 21 of the touch panel 20 are welded and fixed to each other by using solder S2 (for example, an alloy of tin), and assuming that the first bending plate 18 is made of a material with good weldability (for example, copper or a copper alloy), the first transverse plate 182 and the touch panel 20 may be directly welded and fixed by the solder S2. In addition, assuming that the first bending plate 18 is made of a material with poor weldability (such as cast iron, stainless steel or aluminum), the surface of the first transverse plate 182 may be provided with a metal plating layer C2, for example, the metal plating layer C2 may be a material with good weldability (such as copper or copper alloy), so that the bottom surface 21 of the touch panel 20 and the metal plating layer C2 are welded by the solder S2, so that the first transverse plate 182 is fixed to the bottom surface 21 of the touch panel 20. In addition, by welding and fixing the surface of the first transverse plate 182 and the bottom surface 21 of the touch panel 20, the first transverse plate 182 is electrically connected to a local area of the circuit board 202 to form a grounding circuit, thereby having the grounding function, and further reducing the manufacturing cost without additionally providing a grounding element.

As shown in fig. 11, in the fourth embodiment of the present invention, the substrate 10 of the touch panel device 1 is not provided with the fixing member 17, and the first limiting plate 13 and the second limiting plate 14 are welded and fixed on the bottom surface 21 of the touch panel 20, so that the grounding function of forming the grounding loop can be achieved, and the process steps and cost of the touch panel device 1 can be effectively reduced.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that the invention is not limited thereto, but rather, it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention.

Claims

1. A touch pad device, comprising:

the substrate comprises a main board, a first limiting plate and a first flexible piece, wherein the main board is provided with a long side and a short side, the first limiting plate is provided with a first stop part, the first flexible piece is integrally connected between the long side and the first limiting plate, and the first limiting plate is adjacent to the short side; and

the touch panel is arranged above the substrate and is provided with a bottom surface, the bottom surface is provided with a pivoting side and a swinging side which are opposite to each other, a first side and a second side which are opposite to each other, the first side and the second side are connected between the pivoting side and the swinging side, the pivoting side is arranged on the main board, the first limiting plate of the substrate is fixed on the bottom surface and is adjacent to the first side, and the first stop part of the first limiting plate protrudes out of the edge of the first side.

2. The touch pad device of claim 1, further comprising a cover plate covering over the touch pad and including a hollow hole and a limiting portion, wherein the position of the hollow hole corresponds to the position of the touch pad, and the first stop portion of the first limiting plate abuts against the limiting portion.

3. The touch pad device of claim 1, wherein the bottom surface of the touch panel is provided with a trigger switch, the trigger switch being adjacent to the swing side.

4. The touch pad device of claim 1, wherein the main board has another short side, the substrate includes a second limiting plate and a second flexible member, the second limiting plate is adjacent to the other short side and has a second stop portion, the second flexible member is integrally connected between the long side and the second limiting plate, the second limiting plate is fixed on the bottom surface of the touch panel and adjacent to the second side, and the second stop portion of the second limiting plate protrudes out of the edge of the second side.

5. The touch pad device of claim 4, wherein the substrate further comprises a stiffener integrally connected between the first and second limiting plates.

6. The touch pad device of claim 1, wherein the width of the first flexible member is smaller than the width of the first limiting plate.

7. The touch pad device of claim 1, wherein the first flexible member comprises a bar-shaped arm plate, the bar-shaped arm plate contacts the bottom surface of the touch pad, one end of the bar-shaped arm plate is integrally connected to the first limiting plate, the other end of the bar-shaped arm plate has a bending portion, and the bending portion is integrally connected to the long side of the main board.

8. The touch pad device of claim 7, wherein the strip arm plate further has at least one bending section.

9. The touch pad device of claim 1, wherein the first flexible member comprises a plurality of strip-shaped arm plates, the plurality of strip-shaped arm plates are arranged at intervals, each strip-shaped arm plate contacts the bottom surface of the touch pad, one end of each strip-shaped arm plate is integrally connected to the first limiting plate, the other end of each strip-shaped arm plate is provided with a bending part, and the bending part is integrally connected to the long side of the main board.

10. The touch pad device of claim 9, wherein the first limiting plate has a side facing the main board, and the plurality of strip-shaped arm plates are respectively connected to two opposite ends of the side.

11. The touch pad device of claim 1, wherein the surface of the first limiting plate and the bottom surface of the touch panel are adhered and fixed by an adhesive layer.

12. The touch pad device of claim 1, wherein the first limiting plate and the bottom surface of the touch pad are welded together by a solder.

13. The touch pad device of claim 12, wherein the surface of the first limiting plate is further provided with a metal plating layer, and the solder connects the bottom surface of the touch pad with the metal plating layer.

14. The touch pad device of claim 1, further comprising a spacer fixed between the main board and the pivoting side of the bottom surface.

15. The touch pad device of claim 1, wherein the main board is further provided with a fixing member, and the fixing member is fixed to the bottom surface of the touch panel.

16. The touch pad device of claim 15, wherein the fixing member comprises a first bending plate integrally formed by bending the main plate upwards, the first bending plate having a first vertical plate and a first transverse plate integrally connected to the top end of the first vertical plate and fixed to the bottom surface of the touch pad.

17. The touch pad device of claim 16, wherein the fixing member comprises a second bending plate integrally formed by bending the main board upwards, the second bending plate comprises a second vertical plate and a second transverse plate, the second transverse plate is integrally connected to the top end of the second vertical plate and is fixed to the bottom surface of the touch pad, and the first bending plate and the second bending plate are respectively located at two opposite ends of the main board.

18. The touch pad device of claim 15, wherein the fixing member and the bottom surface of the touch panel are welded to each other.