CN103197786B - Thin touch control panel module and assembling method thereof - Google Patents

Abstract

The invention discloses a thin touch panel module and an assembly method thereof. The thin touch panel module includes a fixing frame, a backplane, a touch circuit board and a positioning member. The fixing bracket includes a main body, a hole is formed on the surface of the main body, a hook structure is provided on the main body at a position adjacent to the hole, and a protrusion is provided on the main body at a position adjacent to the hole. The back plate is buckled to the hook structure of the fixing frame. The back plate has a groove structure, the groove structure faces the hole of the main body, and a perforation is formed on the surface of the back plate. The touch circuit board is disposed in the groove structure of the backplane. The touch circuit board has a bump, and the bump aligns with the through hole of the backplane. The positioning member covers the back plate and is fixed on the boss, and is used to limit the movement of the back plate relative to the main body.

Description

Thin Touchpad Module and its assembly method

technical field

The invention relates to a touch panel module, in particular to a thin touch panel module suitable for thin notebook computers.

Background technique

In today's consumer electronics market, various portable electronic products have widely used touch devices as interface tools for data communication. Since the current design of electronic products is light, thin, short, and small, driven by the demand for computers that emphasize humanized design, computer systems with touch devices have widely appeared on the market. For example, on the one hand, portable computers emphasize lightness and thinness, and on the other hand, they also need a large-area screen to display digital data, so the touch panel module is often used as a human-machine interface between the user and the portable computer. interface. When the user touches and applies pressure to the touchpad, the touchpad can sense the location of the pressure (or even the magnitude of the pressure), and different control commands are represented according to the location of the pressure, thereby controlling the computer.

The touchpad input module can not only reduce the space occupied by the portable computer, so that the portable computer does not need to use a larger keyboard; The way to control the portable computer through the touchpad. Furthermore, notebook computers are often equipped with a touchpad as a human-machine interface similar to a mouse, so touch devices have become a design trend of the future human-machine interface. However, the traditional touch panel module still has the disadvantage of bulky structure. For example, it will be difficult to install it in an ultra-thin notebook computer due to its large size. Therefore, how to design a thin touch panel module to match a corresponding thin notebook computer is a subject that needs to be worked hard for the design of today's computer industry organizations.

Contents of the invention

The object of the present invention is to provide a thin touch panel module suitable for thin notebook computers, so as to solve the above problems.

To achieve the above purpose, the present invention discloses a thin touch panel module, which includes a fixing frame. The fixing bracket includes a main body, a hole is formed on the surface of the main body, a hook structure is arranged on the main body adjacent to the hole, and a protrusion is arranged on the main body adjacent to the hole. The thin touch panel module further includes a back plate fastened to the hook structure of the fixing frame. The backboard has a groove structure, the groove structure faces the hole of the main body, and a perforation is formed on the surface of the backboard. The thin touch panel module further includes a touch circuit board disposed in the groove structure of the back panel. The touch circuit board has a protrusion, and the protrusion is aligned with the through hole of the back plate. The thin touch panel module further includes a positioning part covering the backboard and fixed on the convex seat of the fixing frame for limiting the movement of the backboard relative to the main body.

According to the claimed invention, the backboard is locked to the convex seat of the fixing frame.

According to the claimed invention, the backboard is made of elastically bendable material.

According to the claimed invention, the back plate is elastically deformed when the touch circuit board is pressed by an external force, so as to assist the touch circuit board to generate a relative displacement relative to the fixing frame.

According to the claimed invention, both ends of the waterproof board are closely attached to the back board and the touch circuit board.

According to the claimed invention, the protrusion of the touch circuit board is used to pass through the through hole of the back plate to abut against a stopper of the positioning member.

According to the present invention, the thin touch panel module further includes a waterproof plate disposed between the touch circuit board and the back panel to prevent liquid from penetrating into the groove structure from the outside of the back panel and damaging the touch panel. circuit board.

According to the claimed invention, an opening is formed on the surface of the waterproof board, and the opening is aligned with the through hole of the backboard.

According to the claimed invention, the thin touch panel module further includes a protection plate disposed between the touch circuit board and the fixing frame. The protective plate is exposed through the hole of the fixing frame.

The present invention also discloses a method for assembling a thin touch panel module, which includes arranging a touch circuit board in a groove structure of a back panel, and a bump of the touch circuit board aligns with the back panel. A perforation on the surface of the board, a buckle structure that fastens the back board to a fixing frame, and a positioning piece that covers the back board and is fixed to a convex seat of the fixing frame.

The thin touch panel module of the present invention has a simple structure and is easy to assemble, and the thin touch panel module can be quickly assembled without using too many locking elements, so as to match portable electronic products with thin structure design requirements. In addition, the thin touch panel module of the present invention can make use of the elastic bending characteristics of its components to sway when pressed, that is, to generate displacement relative to the fixed frame, so as to provide users with a better pressing touch feeling, thereby greatly improving the product's performance. Market value.

Description of drawings

FIG. 1 is an exploded schematic diagram of components of a thin touch panel module according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a thin touch panel module according to an embodiment of the present invention from another viewing angle;

FIG. 3 is an assembly flowchart of the thin touch panel module according to the embodiment of the present invention.

Description of main component symbols

10 low-profile touchpad module 12 holder

121 Body 122 Hole

123 Hook structure 125 Protruding seat

14 back plate 141 groove structure

142 through hole 16 touch circuit board

161 Protrusion 18 Positioning piece

181 Block 20 Flashing

201 Hole 22 Protection plate

24 Locking elements

Steps 300, 302, 304, 306, 308, 310

detailed description

Please refer to FIG. 1 . FIG. 1 is an exploded view of components of a thin touch panel module 10 according to an embodiment of the present invention. The thin touch panel module 10 can be a touch input interface applied to a host end of a thin notebook computer to replace the operation interface of a traditional mouse. The thin touch panel module 10 includes a fixing frame 12 , a back panel 14 , a touch circuit board 16 , a positioning member 18 , a waterproof board 20 and a protection board 22 . The touch circuit board 16, the waterproof board 20 and the protection board 22 are firstly arranged on the back board 14, and then the back board 14 is installed on the fixing frame 12, and the restriction is imposed by the positioning member 18 to complete the assembly of the thin touch board module 10 . In addition, the fixed frame 12 can also be configured with a physical keypad, and its application depends on the design requirements, so it will not be described in detail here.

Please refer to FIG. 1 and FIG. 2 . FIG. 2 is a schematic diagram of a thin touch panel module 10 according to an embodiment of the present invention from another perspective. The fixing frame 12 includes a main body 121 , and a hole 122 is formed on a surface of the main body 121 . The fixing frame 12 further includes a plurality of hook structures 123 respectively disposed on the main body 121 adjacent to the hole 122, and a plurality of protrusions 125 respectively disposed on the main body 121 adjacent to the hole 122 and having different hook structures 123. s position. The back plate 14 has a groove structure 141 for accommodating components such as the touch circuit board 16 , the waterproof plate 20 and the protection plate 22 , and a through hole 142 is formed at the bottom of the groove structure 141 . A bump 161 is disposed on the surface of the touch circuit board 16 . When the touch circuit board 16 is disposed in the groove structure 141 of the backplane 14 , the position of the bump 161 is aligned with the through hole 142 of the backplane 14 . The backboard 14 can be made of materials with elastic bending properties. When the touch circuit board 16 is pressed by an external force, the backboard 14 will be elastically deformed, so that the touch circuit board 16 can be corresponding to the fixed frame 12. The displacement of the touch panel module 10 with the swing function provides the user with a tactile sensation.

The waterproof board 20 can be disposed between the touch circuit board 16 and the back plate 14 to prevent liquid from penetrating into the groove structure 141 from the outside of the back plate 14 to damage the touch circuit board 16 . Therefore, the two ends of the waterproof board 20 are preferably closely attached to the backboard 14 and the touch circuit board 16 respectively. In addition to avoiding liquid leakage, the connection between the backboard 14, the touch circuit board 16 and the waterproof board 20 can also be ensured. tightly fit. When the user presses the touch circuit board 16, the waterproof board 20 and the back plate 14 can elastically deform synchronously with the touch circuit board 16, so that the back plate 14 can be used to provide instant elastic restoration force to the touch circuit board 16 . An opening 201 can be formed on the surface of the waterproof board 20 , and the position of the opening 201 is aligned with the through hole 142 of the backboard 14 . Therefore, when the touch circuit board 16 is pressed, the protrusion 161 can pass through the opening 201 of the waterproof board 20 and the perforation 142 of the backboard 14 to abut against a stopper 181 of the locating member 18, and provide touch through its elastic compression. Feel the pressure. Generally speaking, the waterproof board 20 can be made of a material with moisture-proof property, such as Mylar material.

The protective plate 22 can be arranged between the touch circuit board 16 and the fixing frame 12, and is used to protect the touch circuit board 16 from being directly impacted by external force, and the color and shape of the protective plate 22 can be determined according to the appearance of the thin notebook computer. Corresponding patterns are designed, so the protective plate 22 can have the characteristics of wear resistance and can design the graphic appearance arbitrarily. After the waterproof board 20, the touch circuit board 16 and the protection board 22 are placed in the groove structure 141 in sequence, the backboard 14 can be fastened to the hook structure 123 of the fixing frame 12, and then the positioning member 18 is covered on the backboard 14 and fixed on the protrusion 125 of the fixing frame 12 , thereby restricting the movement of the back plate 14 relative to the fixing frame 12 and completing the assembly of the touch panel module 10 . In addition, the backboard 14 is not only arranged on the fixing frame 12 by the hook structure 123, but also can be selectively locked on the convex seat 125 together with the positioning piece 18, so that the positioning piece 18 can more firmly restrict the backplane 14 relative to the fixing frame. 12 moves.

Please refer to FIG. 3 . FIG. 3 is an assembly flowchart of the thin touch panel module 10 according to an embodiment of the present invention. The method includes the following steps:

Step 300 : dispose the touch circuit board 16 in the groove structure 141 of the backplane 14 , and align the bump 161 of the touch circuit board 16 with the through hole 142 of the backplane 14 .

Step 302 : disposing the waterproof board 20 between the touch circuit board 16 and the groove structure 141 in such a way that the opening 201 of the waterproof board 20 is aligned with the through hole 142 of the back board 14 .

Step 304 : Cover the protective plate 22 on the surface of the touch circuit board 16 adjacent to the fixing frame 12 and accommodate it in the groove structure 141 .

Step 306: Fasten the back panel 14 containing the waterproof board 20, the touch circuit board 16 and the protection board 22 to the hook structure 123 of the fixing frame 12, so that the protection board 22 can pass through the hole 122 of the fixing frame 12 And exposed.

Step 308 : Cover the positioning element 18 on the back plate 14 , and fix the positioning element 18 to the protrusion 125 of the fixing frame 14 by using the external locking element 24 .

Step 310: end.

The above steps are described in detail here. The structural design of the thin touch panel module 10 is to use the back plate 14 to accommodate a plurality of boards, such as the waterproof plate 20, the touch circuit board 16 and the protection plate 22, and then the back plate 14 is fastened to the fixing frame 12, and then The positioner 18 is used to restrict the movement of the backboard 14 relative to the fixing frame 12 , so as to complete the assembly of the thin touch panel module 10 . In detail, the user first places the waterproof board 20 , the touch circuit board 16 and the protection board 22 into the groove structure 141 of the backboard 14 in sequence. Wherein the position of the protrusion 161 of the touch circuit board 16 is aligned with the opening 201 of the waterproof board 20 and the perforation 142 of the back plate 14, so that the protrusion 161 can abut against the positioning when the touch circuit board 16 is pressed and deformed. The block 181 of the piece 18 provides a touch feeling when the user presses it. The waterproof board 20 and the protective board 22 can be selectively configured and designed, which are respectively used to isolate moisture from entering the groove structure 141, and to prevent the touch circuit board 16 from being directly impacted by external forces, for example, to prevent the touch circuit board 16 from being scratched hurt. After the combination of the waterproof board 20, the touch circuit board 16, the protection board 22 and the backboard 14 is completed, the backboard 14 is fastened to the hook structure 123 and sleeved to the convex seat 125, and then covers the positioning member 18 on the back On the board 14 , and use the external locking element 24 to tightly lock the positioning member 18 and the protrusion 125 , so as to complete the assembly of the thin touch panel module 10 .

To sum up, the thin touch panel module of the present invention utilizes the back panel as components such as accommodating the touch circuit board, waterproof plate and protection plate, so the number of locking components can be greatly reduced, and the thin touch panel can be further reduced The overall thickness of the module matches the structural design of the thin notebook computer. When the user presses the protection board with a finger or a stylus through the hole in the fixing frame, the protection board, the touch circuit board, the waterproof board and the back board will bend and tilt, so no matter in terms of visual and tactile perception, Users can feel the touch of the thin touch panel module being pressed. When pressed to the maximum deformation, the protrusion of the touch circuit board can pass through the hole and the opening to abut against the stopper of the positioning piece. This structural design is not only used to provide a touch feeling when pressing, but also the positioning piece It can be used as a structural member to support the backplane to limit the activity space of the backplane when it is elastically bent. When the external force applied to the protection board is removed, the protection board, the touch circuit board, the waterproof board and the backboard can return to their original state by their own elastic recovery force, so the thin touch panel module of the present invention can use it as a The rocking function type when moving is used to reduce the structural height of the screen side and the system side of the corresponding thin notebook computer, so it can be effectively applied to related thin electronic products.

Compared with the prior art, the thin touch panel module of the present invention has a simple structure and is easy to assemble, and the thin touch panel module can be quickly assembled without using too many locking elements to meet the design requirements of a thin structure portable electronic products. In addition, the thin touch panel module of the present invention can make use of the elastic bending characteristics of its components to sway when pressed, that is, to generate displacement relative to the fixed frame, so as to provide users with a better pressing touch feeling, thereby greatly improving the product's performance. Market value.

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.

Claims (7)

1. A thin touch panel module comprising: Fixtures, which include: a main body, a hole is formed on the surface of the main body; a hook structure disposed on the main body adjacent to the hole; and a convex seat arranged on the main body at a position adjacent to the hole; a backboard, fastened to the hook structure of the fixing frame, the backboard has a groove structure, the groove structure faces the hole of the main body, and a perforation is formed on the surface of the backboard; The touch circuit board is arranged in the groove structure of the back plate, the touch circuit board has a bump, and the bump is aligned with the through hole of the back plate, wherein the back plate is on the touch circuit board Elastically deforming when pressed by an external force, so as to assist the touch circuit board to generate a relative displacement relative to the fixing frame; A waterproof board is arranged between the touch circuit board and the back board to prevent liquid from penetrating into the groove structure from the outside of the back board to damage the touch circuit board. The two ends of the waterproof board are closely attached to the The backboard and the touch circuit board, an opening is formed on the surface of the waterproof board, and the opening is aligned with the through hole of the backboard; and a positioning piece, covering the backboard and fixed to the boss of the fixing frame, used to limit the movement of the backboard relative to the main body, Wherein the protrusion of the touch circuit board is used to pass through the opening of the waterproof board and the through hole of the back board to abut against a block of the positioning member. 2. The thin touch panel module as claimed in claim 1, wherein the back panel is locked to the protrusion of the fixing frame. 3. The thin touch panel module as claimed in claim 1, wherein the back panel is made of elastically bendable material. 4. The thin touch panel module according to claim 1, further comprising: The protection plate is arranged between the touch circuit board and the fixing frame, and the protection plate is exposed through the hole of the fixing frame. 5. A method for assembling a thin touch panel module, comprising: A touch circuit board is arranged in a groove structure of a back plate, and a bump of the touch circuit board is aligned with a through hole on the surface of the back plate; The backboard is fastened to a hook structure of a fixing frame, wherein the backboard is elastically deformed when the touch circuit board is pressed by an external force, so as to assist the touch circuit board to generate a relative displacement relative to the fixing frame; a waterproof board is arranged between the touch circuit board and the groove structure of the backboard, an opening on the surface of the waterproof board is aligned with the through hole of the backboard; and a positioning piece is covered on the backboard and fixed to a boss of the fixing frame, Wherein the protrusion of the touch circuit board is used to pass through the opening of the waterproof board and the through hole of the back board to abut against a block of the positioning member. 6. The assembly method as claimed in claim 5, wherein the positioning member covers the back plate and is fixed to the boss of the fixing bracket comprising: A locking element is used to fix the positioning piece on the convex seat of the fixing frame. 7. The assembly method according to claim 5, further comprising: A protective plate is covered on a surface of the touch circuit board adjacent to the fixing frame.