CN218273215U

CN218273215U - Flexible circuit board mounting structure suitable for touch-sensitive screen

Info

Publication number: CN218273215U
Application number: CN202222252760.4U
Authority: CN
Inventors: 陈成光
Original assignee: Dongguan Singway Electronic Technology Co ltd
Current assignee: Dongguan Singway Electronic Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-10
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a flexible line way board mounting structure suitable for touch-sensitive screen, including FPC flexible circuit board and touch-sensitive screen body, FPC flexible circuit board's surperficial integrated into one piece has two sets of conductive parts, and is two sets of the conductive part bonds in the surface of touch-sensitive screen body. Through the setting of fixed subassembly, can fix connecting portion between touch-sensitive screen body and set casing through the elasticity of spring, and then realized being connected between conductive portion and the touch-sensitive screen body, it is not hard up to prevent that the interface of conductive portion from taking place with the junction of touch-sensitive screen body, and the set casing sets up to relative two sets of, when the shake appears, need make two sets of connecting portions all break away from just can the phenomenon that contact failure appears from the inside of set casing simultaneously, thereby further improved the joint strength between FPC flexible circuit board and the touch-sensitive screen body, and then improved the life of touch-sensitive screen body.

Description

Flexible circuit board mounting structure suitable for touch-sensitive screen

Technical Field

The utility model relates to an electronic information technical field specifically is a flexible line way board mounting structure suitable for touch-sensitive screen.

Background

The touch screen is an input device which obviously improves a man-machine operation interface, has the advantages of intuition, simplicity and quickness, has been widely applied to many electronic products, such as mobile phones, PDAs, multimedia, public information inquiry systems and the like, various types of touch screens are continuously appeared in the past, including resistive, capacitive, infrared and surface acoustic wave type touch screens, connecting wires are required to be used in the use of the touch screens, and the touch screens are mostly adopted to be FPC flexible circuit boards in the prior art;

however, a series of shaking and vibration are inevitably generated in the long-time use process, and the problems of looseness or poor contact and the like are easily generated at the connection position of the golden finger interface of the FPC flexible circuit board and the main board in the past, so that the problems of insensitivity or failure and the like of the touch screen are caused, and the service life of the touch screen is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible line way board mounting structure suitable for touch-sensitive screen realizes the fixed to connecting portion through the setting of fixed subassembly and supporting component, and then has improved the joint strength between FPC flexible line way board and the touch-sensitive screen body to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flexible circuit board mounting structure suitable for a touch screen comprises an FPC (flexible printed circuit) and a touch screen body, wherein two groups of conductive parts are integrally formed on the surface of the FPC, the two groups of conductive parts are adhered to the surface of the touch screen body, one ends of the two groups of conductive parts are integrally formed with a connecting part, and a fixing assembly is arranged between the connecting part and the touch screen body;

the touch screen comprises a touch screen body and is characterized in that the fixing assembly comprises a fixing shell, a pressing plate and a spring, two groups of fixing shells are oppositely arranged on the surface of the touch screen body, one ends of the connecting parts are respectively inserted into the two groups of fixing shells, the pressing plate is arranged inside the fixing shells, the spring is installed at the top of the pressing plate, the connecting parts are pressed on the surface of the touch screen body through the pressing plate, and a supporting assembly is arranged between the top of the spring and the fixing shells.

Preferably, the supporting component comprises a fixing column, a limiting block, a clamping block and an accommodating groove, the fixing column is arranged inside the fixing shell, a groove is formed in the top of the fixing column, the top of the spring is in contact with the bottom of the fixing column, a through hole is formed in the top of the fixing shell, the fixing column penetrates through the surface of the fixing shell through the through hole and extends to the outside, the limiting block is integrally formed on the outer wall of the fixing column, the bottom of the limiting block is attached to the top of the fixing shell, the clamping block is further integrally formed on the outer wall of the fixing column, the top of the clamping block is attached to the top of the inner cavity of the fixing shell, and the accommodating groove matched with the clamping block is formed in the inner wall of the through hole.

Preferably, the top of the pressing plate is welded with a limiting column, the bottom of the fixing column is provided with a cavity, and the top end of the limiting column is inserted into the cavity.

Preferably, the top of the inner cavity of the fixed shell is provided with a fixed sleeve, the top of the pressing plate is welded with a movable rod, and the top end of the movable rod is inserted into the fixed sleeve.

Preferably, the top welding of movable rod has the baffle, the baffle sets up in fixed sleeve's inside, fixed sleeve's inner wall integrated into one piece has the flange, the inner wall laminating of flange is in the outer wall of movable rod.

Preferably, the fixed surface of the touch screen body is provided with a belt, the belt covers the surfaces of the two sets of conductive parts, and the belt is made of insulating rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

through the setting of fixed subassembly, can fix connecting portion between touch-sensitive screen body and set casing through the elasticity of spring, and then realized being connected between conductive portion and the touch-sensitive screen body, it is not hard up to prevent that the interface of conductive portion from taking place with the junction of touch-sensitive screen body, and the set casing sets up to relative two sets of, when the shake appears, need make two sets of connecting portions all break away from the phenomenon that just can appear contact failure from the inside of set casing simultaneously, thereby the joint strength between FPC flexible circuit board and the touch-sensitive screen body has further been improved, and then the life of touch-sensitive screen body has been improved.

Drawings

Fig. 1 is a schematic view of a connection structure between the FPC flexible circuit board and the touch screen body of the present invention;

FIG. 2 is an enlarged schematic view of region A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the internal structure of the fixing shell of the present invention.

In the figure: 1. an FPC flexible circuit board; 2. a touch screen body; 3. a stationary case; 4. a connecting portion; 5. a conductive portion; 6. a strap; 7. a limiting block; 8. a groove; 9. fixing the column; 10. accommodating grooves; 11. a movable rod; 12. a spring; 13. fixing the sleeve; 14. a limiting column; 15. a cavity; 16. a clamping block; 17. a baffle plate; 18. blocking edges; 19. and (7) pressing a plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a flexible circuit board mounting structure suitable for a touch screen comprises an FPC (flexible printed circuit) 1 and a touch screen body 2;

two groups of conductive parts 5 are integrally formed on the surface of the FPC (flexible printed circuit) 1, the two groups of conductive parts 5 are adhered to the surface of the touch screen body 2, one ends of the two groups of conductive parts 5 are integrally formed with a connecting part 4, and a fixing component is arranged between the connecting part 4 and the touch screen body 2;

the fixing component comprises fixing shells 3, a pressing plate 19 and a spring 12, two groups of fixing shells 3 are oppositely arranged on the surface of the touch screen body 2, one ends of two groups of connecting parts 4 are respectively inserted into the two groups of fixing shells 3, the pressing plate 19 is arranged inside the fixing shells 3, the spring 12 is installed at the top of the pressing plate 19, the connecting parts 4 are pressed on the surface of the touch screen body 2 through the pressing plate 19, a supporting component is arranged between the top of the spring 12 and the fixing shells 3, the connecting strength between the FPC flexible circuit board 1 and the touch screen body 2 can be increased through the arrangement of the fixing component, and further the phenomenon of looseness or poor contact between the FPC flexible circuit board 1 and the touch screen body 2 can be prevented;

the supporting assembly comprises a fixing column 9, a limiting block 7, a clamping block 16 and an accommodating groove 10, the fixing column 9 is arranged inside the fixed shell 3, a groove 8 is formed in the top of the fixing column 9, the top of the spring 12 is in contact with the bottom of the fixing column 9, a through hole is formed in the top of the fixed shell 3, the fixing column 9 penetrates through the surface of the fixed shell 3 through the through hole and extends to the outside, the limiting block 7 is integrally formed on the outer wall of the fixing column 9, the bottom of the limiting block 7 is attached to the top of the fixed shell 3, the clamping block 16 is further integrally formed on the outer wall of the fixing column 9, the top of the clamping block 16 is attached to the top of the inner cavity of the fixed shell 3, the accommodating groove 10 matched with the clamping block 16 is formed in the inner wall of the through hole, when the connecting portion 4 is taken out, the fixing column 9 is rotated through the groove 8, the clamping block 16 is driven to rotate synchronously when the clamping block 9 rotates into the accommodating groove 10, the spring 12 drives the fixing column 9 to move upwards through the elasticity of the clamping block 16, and further drives the pressing plate 19 to move upwards, namely, the connecting portion 4 can be taken out, and the connecting portion 4 is similarly pressed down to enable the clamping block 16 to rotate to move to rotate to the fixing column 3 to limit the limiting block 16 to limit the fixing shell 3;

the top of the pressing plate 19 is welded with a limiting column 14, the bottom of the fixing column 9 is provided with a cavity 15, the top end of the limiting column 14 is inserted into the cavity 15, the pressing plate 19 can drive the limiting column 14 to move in the cavity 15 when moving upwards, the movement of the pressing plate 19 can be limited through the matching of the cavity 15 and the limiting column 14, and the spring 12 is prevented from being bent when deforming;

the top of the inner cavity of the fixed shell 3 is provided with a fixed sleeve 13, the top of the pressing plate 19 is welded with a movable rod 11, the top end of the movable rod 11 is inserted into the fixed sleeve 13, the pressing plate 19 can drive the movable rod 11 to synchronously move in the fixed sleeve 13 when moving, the pressing plate 19 can be limited when moving through the matching of the movable rod 11 and the fixed sleeve 13, and the lateral deviation of the spring 12 is prevented;

the top of the movable rod 11 is welded with a baffle 17, the baffle 17 is arranged inside the fixed sleeve 13, a flange 18 is integrally formed on the inner wall of the fixed sleeve 13, the inner wall of the flange 18 is attached to the outer wall of the movable rod 11, the movable rod 11 can be driven to synchronously move inside the fixed sleeve 13 by the pressure plate 19 when moving inside the fixed shell 3, and the baffle 17 and the flange 18 can limit the movable rod 11 at the same time, so that the movable rod 11 is prevented from being blocked due to deviation when moving;

the surface fixed mounting of touch-sensitive screen body 2 has band 6, and band 6 covers in the surface of two sets of conductive parts 5, and band 6 is the insulating rubber material, and band 6 can be spacing to two sets of conductive parts 5, and supplementary fixed subassembly increases the joint strength between conductive part 5 and the touch-sensitive screen body 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible line way board mounting structure suitable for touch-sensitive screen, includes FPC flexible circuit board (1) and touch-sensitive screen body (2), its characterized in that: the surface of the FPC flexible circuit board (1) is integrally formed with two groups of conductive parts (5), the two groups of conductive parts (5) are adhered to the surface of the touch screen body (2), one ends of the two groups of conductive parts (5) are integrally formed with connecting parts (4), and a fixing assembly is arranged between the connecting parts (4) and the touch screen body (2);

the fixing assembly comprises a fixing shell (3), a pressing plate (19) and springs (12), two groups of fixing shells (3) are oppositely arranged on the surface of the touch screen body (2), one ends of the connecting portions (4) are respectively inserted into the two groups of fixing shells (3), the pressing plate (19) is arranged inside the fixing shell (3), the springs (12) are installed at the top of the pressing plate (19), the connecting portions (4) are pressed on the surface of the touch screen body (2) through the pressing plate (19), and a supporting assembly is arranged between the top of the springs (12) and the fixing shell (3).

2. The flexible printed circuit board mounting structure for a touch panel of claim 1, wherein: the supporting assembly comprises a fixing column (9), a limiting block (7), a clamping block (16) and an accommodating groove (10), wherein the fixing column (9) is arranged inside the fixing shell (3), a groove (8) is formed in the top of the fixing column (9), the top of a spring (12) is in contact with the bottom of the fixing column (9), a through hole is formed in the top of the fixing shell (3), the fixing column (9) penetrates through the surface of the fixing shell (3) through the through hole and extends to the outside, the limiting block (7) is integrally formed on the outer wall of the fixing column (9), the bottom of the limiting block (7) is attached to the top of the fixing shell (3), the clamping block (16) is further integrally formed on the outer wall of the fixing column (9), the top of the clamping block (16) is attached to the top of the inner cavity of the fixing shell (3), and the accommodating groove (10) matched with the clamping block (16) is formed in the inner wall of the through hole.

3. The flexible wiring board mounting structure for a touch panel according to claim 2, wherein: the top of the pressing plate (19) is welded with a limiting column (14), the bottom of the fixing column (9) is provided with a cavity (15), and the top end of the limiting column (14) is inserted into the cavity (15).

4. A flexible wiring board mounting structure suitable for a touch panel according to claim 3, wherein: the top of the inner cavity of the fixed shell (3) is provided with a fixed sleeve (13), the top of the pressing plate (19) is welded with a movable rod (11), and the top end of the movable rod (11) is inserted into the fixed sleeve (13).

5. The flexible wiring board mounting structure for a touch panel according to claim 4, wherein: the welding of the top of movable rod (11) has baffle (17), baffle (17) set up in the inside of fixed sleeve (13), the inner wall integrated into one piece of fixed sleeve (13) has flange (18), the inner wall of flange (18) is laminated in the outer wall of movable rod (11).

6. The flexible wiring board mounting structure for a touch panel according to claim 1, wherein: the surface fixed mounting of touch-sensitive screen body (2) has band (6), band (6) cover in the surface of two sets of conductive parts (5), just band (6) are insulating rubber material.