Display screen anti-disengagement structure

By using double-sided tape and a snap-fit ​​structure between the display module and the back cover, the problems of the display detaching and making abnormal noises when the vehicle shakes or the temperature changes are solved, achieving a more stable fixing effect.

CN224400032UActive Publication Date: 2026-06-23BOSCH CAR MULTIMEDIA WUHU
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Patent Information

Application Number
CN202521191441.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-11
Publication Date
2026-06-23
Estimated Expiration
2035-06-11

AI Technical Summary

Technical Problem

In existing technology, the display screen and the back cover are fixed by a snap-fit ​​connection. When the vehicle shakes or the temperature changes, relative displacement or deformation can easily occur, leading to problems such as the screen coming off the snap-fit ​​and abnormal noise.

Method used

Double-sided tape is used to fix the display module to the back cover, and the fixing effect is enhanced by components such as snap-fit ​​structure and limiting insert plate. The extensibility and cushioning effect of double-sided tape are used to prevent the module from coming off the snap and making abnormal noises.

Benefits of technology

This effectively avoids issues such as the display module detaching and making abnormal noises when shaken or subject to temperature changes, improving stability and reducing the risk of abnormal noises.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a display screen anti -unhooking structure, including rear housing (1) and display screen module (2), be equipped with the decorative ring (3) between rear housing (1) and display screen module (2), be equipped with double -sided tape (4) on display screen module (2), double -sided tape (4) respectively with decorative ring (3) and rear housing (1) are pasted, be equipped with the clamping structure between rear housing (1) and decorative ring (3), rear housing (1) and decorative ring (3) are fixed through the clamping mechanism, utilize double -sided tape (4) auxiliary display screen module (2), rear housing (1) and decorative ring (3) are fixed together simultaneously, double -sided tape (4) can play good buffering effect, can effectively avoid the abnormal sound, and in the process of winter car air -conditioning rapid heating, because double -sided tape (4) has good ductility, can effectively avoid the thermal expansion and cold contraction cause the clamping structure unhooking, thereby avoiding the abnormal sound.
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Description

Technical Field

[0001] This utility model belongs to the field of vehicle display screen technology. Specifically, this utility model relates to a display screen anti-detachment structure. Background Technology

[0002] With the booming development of the automotive industry, central control displays are generally equipped with decorative rings around the perimeter to enhance the interior quality and visual appeal. However, since the decorative rings and the back cover are painted using different methods, they are snapped together to form the back cover assembly, which in turn snaps onto the display module. If a customer pushes the decorative rings outwards, the back cover may come loose.

[0003] A patent application (patent number 201822231872.5, published on March 19, 2021) discloses an anti-loosening latching device for a vehicle-mounted electronic display screen. The device includes a mounting housing with an L-shaped engaging body on one side. One end of the L-shaped engaging body is prismatic for engaging. The upper surface of the mounting housing has an L-shaped groove matching the L-shaped engaging body. A limiting mechanism for limiting the L-shaped engaging body is provided within the L-shaped groove. A matching latch cover is provided at the opening of the L-shaped groove. One end of the latch cover is rotatably connected to the mounting housing, and the other end is fixedly connected to the mounting housing via the engaging mechanism. A rubber abutment is provided on the upper side of the L-shaped engaging body, and the rubber abutment is fixedly connected to the latch cover. This invention has a reasonable structure, enabling engagement. Furthermore, due to the L-shaped design, the overall structure has a high capacity to withstand horizontal forces, while various vertical limiting mechanisms ensure stability and prevent overall creep.

[0004] In existing technologies, the display screen is usually fixed to the back cover by a snap-fit ​​connection. When the vehicle shakes or the temperature changes drastically, the display screen and the back cover may shift or deform relative to each other, causing issues such as the screen coming loose and making noise. Utility Model Content

[0005] The present invention aims to provide a display screen anti-disconnection structure that reduces abnormal noise and disconnection.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a display screen anti-disconnection structure, including a back shell and a display screen module, a decorative ring is provided between the back shell and the display screen module, double-sided adhesive tape is provided on the display screen module, the double-sided adhesive tape is respectively attached to the decorative ring and the back shell, and a snap-fit ​​structure is provided between the back shell and the decorative ring.

[0007] The double-sided tape is a double-sided foam tape.

[0008] The double-sided tape is rectangular and distributed in multiple segments on the display module.

[0009] The decorative ring is provided with a pressure plate, the double-sided tape is attached to the pressure plate, and the rear shell is provided with a wedge-shaped plate to support the pressure plate.

[0010] The rear shell is provided with a pressure strip, and the double-sided tape is also attached between the pressure strip and the display module.

[0011] The snap-fit ​​structure includes a hook on the decorative ring and a snap on the back cover, the hook and the snap cooperating.

[0012] The buckle is divided into an inner buckle and an outer buckle. The outer buckle cooperates with the buckle. The display module is provided with a hook groove that cooperates with the inner buckle. The inner buckle is embedded in the hook groove.

[0013] The rear shell is provided with a limiting plate, and the display module is provided with a limiting slot that cooperates with the limiting plate.

[0014] The limiting insert has a support plate on its side, and the support plate is set on the inner wall surface of the rear shell.

[0015] The technical effect of this utility model is as follows: the back of the display module is fixed by double-sided tape and the back shell assembly, avoiding problems such as shaking, abnormal noise, and detachment. The double-sided tape can still play a good buffering role when the back shell buckle and the module hook groove are at the limit distance, which can effectively prevent abnormal noise. Attached Figure Description

[0016] This manual includes the following figures, which illustrate the following:

[0017] Figure 1 This is a schematic diagram of the structure of the display screen anti-dislodgement structure of this utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the outer clip of a display screen anti-dislodgement structure;

[0019] Figure 3 for Figure 1 A schematic diagram of the inner latch of a display screen anti-dislodgement structure;

[0020] Figure 4 for Figure 1 A schematic diagram of a limiting insert plate for an anti-dislodgement structure of a display screen.

[0021] The markings in the diagram are as follows: 1. Back cover; 2. Display module; 3. Decorative ring; 4. Double-sided tape; 5. Pressure plate; 6. Wedge plate; 7. Pressure strip; 8. Hook; 9. Buckle; 91. Outer buckle; 92. Inner buckle; 10. Hook groove; 11. Limiting insert plate; 12. Limiting slot; 13. Support plate. Detailed Implementation

[0022] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution, and to facilitate its implementation.

[0023] Please see Figure 1-4 A display screen anti-detachment structure includes a back shell 1 and a display screen module 2. A decorative ring 3 is provided between the back shell 1 and the display screen module 2. Double-sided adhesive tape 4 is provided on the display screen module 2. The double-sided adhesive tape 4 is attached to the decorative ring 3 and the back shell 1 respectively. A snap-fit ​​structure is provided between the back shell 1 and the decorative ring 3. The back shell 1 and the decorative ring 3 are fixed by the snap-fit ​​mechanism. At the same time, the double-sided adhesive tape 4 is used to help fix the display screen module 2, the back shell 1 and the decorative ring 3 together. When the snap-fit ​​structure is at its limit distance, the double-sided adhesive tape 4 can still play a good buffering role, which can effectively avoid abnormal noise. In addition, during the rapid heating of the car interior when the air conditioner is turned on in winter, the double-sided adhesive tape 4 is fixed and has good extensibility, which can effectively prevent the snap-fit ​​structure from detaching due to thermal expansion and contraction, thereby avoiding abnormal noise.

[0024] Double-sided tape 4 is a double-sided foam tape; foam tape has better extensibility and cushioning thickness, thus achieving a better effect of reducing abnormal noise.

[0025] The double-sided tape 4 is rectangular and distributed in multiple segments on the display module 2. It is distributed along the four sides of the display module 2, which can disperse it as much as possible while ensuring the connection at each point, reducing the risk of the display module 2 coming off the card and reducing the possibility of abnormal noise.

[0026] The decorative ring 3 is provided with a pressure plate 5, and double-sided tape 4 is attached to the pressure plate 5. The back shell 1 is provided with a wedge plate 6 to support the pressure plate 5. The L-shaped pressure plate 5 is inserted between the display module 2 and the back shell 1 to connect the decorative ring 3 and the display module 2. The wedge plate 6 serves to support the pressure plate 5 and prevent the decorative ring 3 from breaking.

[0027] The back cover 1 has a pressure strip 7, and double-sided tape 4 is also attached between the pressure strip 7 and the display module 2. The pressure strip 7 is closer to the rear side of the display module 2 than the inner wall of the back cover 1. On the one hand, it can reduce the thickness of the double-sided tape 4, and on the other hand, it can strengthen the back cover 1 at the attachment point of the double-sided tape 4, reducing the risk of breakage at the attachment point of the double-sided tape 4.

[0028] The snap-fit ​​structure includes a hook 8 on the decorative ring 3 and a snap 9 on the back shell 1. The hook 8 and the snap 9 cooperate to fix the decorative ring 3 and the back shell 1 together by snap-fit. The structure is simple and easy to install.

[0029] The buckle 9 is divided into an inner buckle 92 and an outer buckle 91. The outer buckle 91 cooperates with the buckle. The display module 2 is provided with a hook groove 10 that cooperates with the inner buckle 92. The inner buckle 92 is embedded in the hook groove 10. The buckle 9 is embedded in the hook groove 10, and is fixed from two directions. The cooperation between them achieves a better fixing effect.

[0030] The rear shell 1 is provided with a limiting insert plate 11, and the display module 2 is provided with a limiting slot 12 that cooperates with the limiting insert plate 11; the limiting insert plate 11 and the fiber slot 12 are matched with each other to ensure easy assembly.

[0031] The side of the limiting plate 11 is provided with a support plate 13, which is set on the inner wall surface of the rear shell 1. The support plate 13 is used to assist in supporting the limiting plate 11 to prevent the limiting plate 11 from being crushed due to displacement or other reasons during the assembly process.

[0032] The technical effect of this utility model is as follows: the back of the display module 2 is fixed to the back shell 1 assembly by double-sided tape 4, avoiding problems such as shaking, abnormal noise, and detachment. The display module 2 and the back shell 1 are fixed by double-sided tape 4. When the buckle 9 of the back shell 1 and the hook groove 10 of the module 2 are at the limit distance, the double-sided tape can still play a good buffering role, which can effectively avoid abnormal noise.

[0033] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A display screen anti-disconnection structure, comprising a back cover (1) and a display screen module (2), characterized in that: A decorative ring (3) is provided between the back shell (1) and the display module (2). Double-sided tape (4) is provided on the display module (2). The double-sided tape (4) is attached to the decorative ring (3) and the back shell (1) respectively. A snap-fit ​​structure is provided between the back shell (1) and the decorative ring (3).

2. The display screen anti-dislodgement structure according to claim 1, characterized in that: The double-sided tape (4) is a double-sided foam tape.

3. A display screen anti-disconnection structure according to claim 1 or 2, characterized in that: The double-sided tape (4) is rectangular and has multiple segments distributed on the display module (2).

4. The display screen anti-dislodgement structure according to claim 1, characterized in that: The decorative ring (3) is provided with a pressure plate (5), the double-sided tape (4) is pasted on the pressure plate (5), and the rear shell (1) is provided with a wedge plate (6) to support the pressure plate (5).

5. A display screen anti-disconnection structure according to claim 1 or 4, characterized in that: The rear shell (1) is provided with a pressure strip (7), and the double-sided tape (4) is also attached between the pressure strip (7) and the display module (2).

6. The display screen anti-dislodgement structure according to claim 1, characterized in that: The snap-fit ​​structure includes a hook (8) on the decorative ring (3) and a buckle (9) on the rear shell (1), the hook (8) and the buckle (9) cooperating with each other.

7. The display screen anti-dislodgement structure according to claim 6, characterized in that: The buckle (9) is divided into an inner buckle (92) and an outer buckle (91). The outer buckle (91) cooperates with the buckle. The display module (2) is provided with a hook groove (10) that cooperates with the inner buckle (92). The inner buckle (92) is embedded in the hook groove (10).

8. The display screen anti-disconnection structure according to claim 1, characterized in that: The rear shell (1) is provided with a limiting plate (11), and the display module (2) is provided with a limiting slot (12) that cooperates with the limiting plate (11).

9. The display screen anti-disconnection structure according to claim 8, characterized in that: The limiting insert (11) has a support plate (13) on its side, and the support plate (13) is disposed on the inner wall surface of the rear shell (1).

Citation Information

Patent Citations

  • Anti-loosening buckle device of vehicle-mounted electronic display screen

    CN212737946U