Vehicle-mounted display screen gap control device
Through the combination of stainless steel gap sheet and electromagnetic coil, the gap consistency problem of vehicle display screen is solved, automated assembly is realized, and product quality and user experience are improved.
Patent Information
- Application Number
- CN202422567306.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Traditional assembly methods cannot meet the requirements of gap consistency and narrow frame between the on-board display glass cover plate and the plastic shell, especially when facing production and assembly tolerances, resulting in product quality degradation.
The combination of stainless steel gap sheet and electromagnetic coil is adopted to control the gap through the automated assembly process, and the deformability of the stainless steel gap sheet and the control of the electromagnetic coil are used to achieve the gap consistency between the glass cover plate and the plastic rear shell, and the fixed connection between polyurethane hot melt glue and RTV silicone rubber is achieved.
It realizes automatic control of the gap between the display module, improves product stability and work efficiency, reduces production costs, and improves product market competitiveness and user satisfaction.
Smart Images
Figure CN223260305U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle-mounted display screens, in particular to a vehicle-mounted display screen gap control device. Background Art
[0002] With the penetration of new energy vehicles and smart driving cars, the trend toward larger and more multi-screen in-vehicle displays is becoming increasingly evident, further driving the development of narrow-bezel technology. In addition to traditional center consoles and instrument clusters, new products such as head-up displays (HUDs), passenger-side displays, and rear-seat entertainment screens are also driving the adoption of narrow-bezel technology. This trend not only enhances the driving experience but also makes in-vehicle displays more aligned with the expectations and demands of modern consumers. Therefore, narrow bezels have become a key development direction for in-vehicle displays, and this trend will only intensify as technology advances and consumer demand grows.
[0003] With the demand for narrower bezels on displays, the gap between the glass cover and the plastic housing is becoming increasingly smaller and more consistent, placing higher demands on design, manufacturing, and process. Considering supplier production and assembly tolerances, traditional assembly methods are no longer able to meet customers' increasingly demanding product requirements, necessitating continuous innovation to meet these new demands.
[0004] In order to solve the above-mentioned gap consistency problem, we propose a vehicle-mounted display screen gap control device. Utility Model Content
[0005] The purpose of the present utility model is to provide a vehicle-mounted display screen gap control device to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle-mounted display screen gap control device, comprising a display screen module, polyurethane hot melt adhesive, a backlight assembly, RTV silicone rubber, a plastic back shell, a stainless steel gap sheet, a display screen module platform, and an electromagnetic coil. The display screen module comprises a glass cover plate, optical adhesive, and a display screen. The glass cover plate is optically bonded to the display screen through optical adhesive. The display screen module adopts a narrow frame design. The backlight assembly comprises a die-cast shell, a light guide plate, and an LED light strip.
[0007] Furthermore, the display screen module is bonded to the backlight assembly by polyurethane hot melt adhesive, and the polyurethane hot melt adhesive is dispensed on the four sides of the die-cast housing by an automatic dispensing machine.
[0008] Furthermore, the display screen module platform is surrounded by electromagnetic coils, and the display screen module platform is designed in a contoured manner with reference to the shape of the glass cover.
[0009] Furthermore, the plastic rear shell is connected and fixed to the die-cast shell in the backlight source assembly through RTV silicone rubber.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] 1. This patented spacer is made of stainless steel, offering high strength, easy deformation, and high resilience, while also being easily removable and replaceable. When the display module is placed on the display module platform, the stainless steel spacer automatically rises from around the glass cover. This spacer effectively controls the gap consistency between the display and the plastic back cover, minimizing the impact of product dimensional and assembly tolerances on the gap.
[0012] 2. This patented display module platform is surrounded by electromagnetic coils. Once the stainless steel spacers are raised into position, the coils activate, bending the spacers inward to facilitate assembly of the plastic backshell. Once assembly is complete, the coils de-energize, returning the spacers to their original state and automatically retracting, making it easier for workers to retrieve the assembled product. The entire process is fully automated, improving work efficiency, product stability, and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is the purpose of the display screen module of the present utility model;
[0015] Figure 3 This is a schematic diagram of the backlight assembly of the utility model;
[0016] Figure 4 This is a schematic diagram of bonding with RTV hot melt adhesive of the utility model;
[0017] Figure 5 This is a schematic diagram of the stainless steel gap piece of the utility model.
[0018] In the figure: 1. Display module; 2. Polyurethane hot melt adhesive; 3. Backlight assembly; 4. RTV silicone rubber; 5. Plastic back cover; 6. Stainless steel spacer; 7. Display module platform; 8. Electromagnetic coil; 9. Glass cover; 10. Optical adhesive; 11. Display; 12. Die-cast housing; 13. Light guide plate; 14. LED light strip. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] See also Figure 1-5 The utility model provides a technical solution: a vehicle-mounted display screen gap control device, including a display screen module 1, a polyurethane hot melt adhesive 2, a backlight assembly 3, an RTV silicone rubber 4, a plastic back shell 5, a stainless steel gap piece 6, a display screen module platform 7, and an electromagnetic coil 8. The display screen module 1 includes a glass cover plate 9, an optical adhesive 10, and a display screen 11. The glass cover plate 9 is optically bonded to the display screen 11 through the optical adhesive 10. The display screen module 1 adopts a narrow frame design, which improves the immersive visual experience effect of the display screen and the display clarity. The backlight assembly 3 includes a die-cast shell 12, a light guide plate 13, and an LED light bar 14. The heat of the LED light bar 14 in the backlight module 3 is quickly discharged through the die-cast shell 12, thereby improving the product stability, reducing the surface temperature of the display screen, and improving the user experience. Satisfaction, after the display screen module 1 and the backlight module 3 are assembled, they are placed on the display screen module platform 7. RTV silicone rubber 4 is dispensed on the back through an automatic dispensing machine, and then stainless steel gap sheets 6 with a thickness of 0.3mm are automatically raised around them, including three stainless steel gap sheets 6 on the upper and lower long sides, and two stainless steel gap sheets 6 on the left and right sides. After the stainless steel gap sheets 6 are raised, the electromagnetic coils 8 around them start working, and the stainless steel gap sheets 6 are bent inward by the electromagnetic principle. After a few seconds, the plastic back shell 5 is assembled from top to bottom onto the backlight die-cast shell 12. There are buckles around it, and the back is fixed to the die-cast shell 12 through RTV silicone rubber 4. At this time, the electromagnetic coils 8 around them are powered off, and the stainless steel gap sheets 6 return to their original state. After a certain period of pressure maintenance, the stainless steel gap sheets around them are withdrawn for subsequent assembly processes. The entire process is completely implemented through automated assembly. The black border of the central control screen is required to be narrower and narrower. According to the styling requirements, the gap between the glass cover 9 and the surrounding plastic back shell 5 is also getting smaller and smaller. At the same time, the consistency of the gap on all sides must be ensured. Taking into account the injection molding and processing tolerances of the product, the traditional assembly method cannot ensure the consistency of the gap between the glass cover 9 and the plastic back shell. Through this stainless steel spacer 6 assembly method, the impact of product injection molding, processing tolerances and assembly tolerances on the gap can be reduced, and the consistency of the gap on all sides can be maximized, thereby improving the product's market competitiveness.
[0021] Reference example: The display screen module 1 is bonded to the backlight source assembly 3 through the polyurethane hot melt adhesive 2. The polyurethane hot melt adhesive 2 is dispensed on the four sides of the die-cast shell 12 by an automatic dispensing machine. The dispensing speed and width are adjusted according to the process requirements. It has the characteristics of fully automated dispensing and laminating to ensure product consistency. The polyurethane hot melt adhesive 2 has the characteristics of high adhesion and fast curing, which is conducive to improving the production line capacity.
[0022] Reference Example: Stainless steel spacers 6 are made of stainless steel, which offers high strength, easy deformation, and high resilience, and is easily disassembled and replaced. When the display module 1 is placed on the display module platform 7, the stainless steel spacers 6 automatically rise from around the glass cover 9. The stainless steel spacers 6 are also easy to disassemble and repair.
[0023] Reference embodiment: The display screen module platform 7 is surrounded by electromagnetic coils 8. After the stainless steel gap piece 6 is raised into place, the electromagnetic coil 8 starts to work and bends the stainless steel gap piece 6 inward to facilitate the assembly of the plastic back shell 5. After the power is cut off, the stainless steel gap piece 6 automatically rebounds to its original state. The display screen module platform 7 is designed in a contoured manner with reference to the shape of the glass cover plate 9.
[0024] Reference embodiment: The plastic rear shell 5 is connected and fixed to the die-cast shell 12 in the backlight assembly 3 through RTV silicone rubber 4. The RTV silicone rubber 4 has good adhesion and cushioning properties, can effectively reduce vibration noise, and improve display uniformity.
[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A vehicle-mounted display screen gap control device, comprising a display screen module (1), a polyurethane hot melt adhesive (2), a backlight assembly (3), RTV silicone rubber (4), a plastic rear shell (5), a stainless steel gap sheet (6), a display screen module platform (7), and an electromagnetic coil (8), characterized in that: The display screen module (1) comprises a glass cover plate (9), optical glue (10), and a display screen (11). The glass cover plate (9) is optically bonded to the display screen (11) via the optical glue (10). The display screen module (1) adopts a narrow frame design. The backlight source assembly (3) comprises a die-cast housing (12), a light guide plate (13), and an LED light bar (14).
2. The vehicle-mounted display screen gap control device according to claim 1, characterized in that: The display screen module (1) is bonded to the backlight source assembly (3) via polyurethane hot melt adhesive (2), and the polyurethane hot melt adhesive (2) is dispensed on four sides of the die-cast housing (12) via an automated dispensing machine.
3. The vehicle-mounted display screen gap control device according to claim 1, characterized in that: The display screen module platform (7) is surrounded by electromagnetic coils (8), and the display screen module platform (7) is designed in a contoured manner with reference to the shape of the glass cover plate (9).
4. The vehicle-mounted display screen gap control device according to claim 1, characterized in that: The plastic rear shell (5) is connected and fixed to the die-cast shell (12) in the backlight source assembly (3) via RTV silicone rubber (4).