Double-wall structure of vehicle-mounted display screen

Abstract

The utility model discloses a double-wall structure of a vehicle-mounted display screen. The double-wall structure is mainly composed of a face shell assembly, a display screen assembly, a waterproof ring and a rear shell assembly. The periphery of the rear shell assembly is of a double-layer bone position structure, the middle of the rear shell assembly is connected through a bone position, and a groove is reserved in the middle of the double-layer bone position to serve as a waterproof ring sealing groove position. The waterproof ring is located between the face shell and the plastic rear shell and is limited through the waterproof ring groove position of the plastic rear shell. The peripheral rib position of the face shell assembly adopts a triangular design, and the face shell assembly and the rear shell assembly are sealed and waterproof through a press-fit waterproof ring and are locked and fixed through screws. The plastic rear shell adopts a double-layer wall position, so that the overall strength is improved, and the safety and stability are improved. The waterproof ring is rectangular in section and can be installed forwards and backwards, so that the production efficiency is improved. Light and shadow marks on the periphery of the side edge of the plastic rear shell are improved, and the overall attractiveness is improved.

Description

Technical Field

[0001] The utility model relates to a vehicle-mounted equipment structure, in particular to a vehicle-mounted display screen double-wall structure used for industrial and agricultural medium-sized electronic products. Background Art

[0002] Car-mounted tablets usually rely on waterproof seals for waterproofing. Therefore, a corresponding waterproof ring groove needs to be designed on the back shell. The side wall thickness of the back shell will exceed the overall uniform thickness, and the injection molding pressure needs to be increased. The side waterproof ring groove will hinder the flow of plastic fluid, thus forming a circle of stress marks, similar to photolithography, which seriously affects the appearance of the entire device. Summary of the Invention

[0003] In order to solve the above technical problems, the utility model provides a double-wall structure for a vehicle-mounted display screen, which adopts a double-layer wall structure on the side of the rear shell to make the overall thickness of the plastic rear shell uniform, solve the stress concentration problem in injection molding production, optimize the side light shadow printing, and improve the difficulty of assembling the waterproof ring.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A double-walled structure for an in-vehicle display screen primarily consists of a front shell assembly, a display assembly, a waterproof ring, and a rear shell assembly. The rear shell assembly is constructed with a double-layered frame structure around its perimeter, connected by a central frame. A groove in the middle of the double-layered frame serves as a sealing slot for the waterproof ring. The waterproof ring is positioned between the front shell and the plastic rear shell, restrained by the waterproof ring groove in the plastic rear shell. The front shell assembly's peripheral frame features a triangular design, and the front shell assembly and rear shell assembly are sealed and waterproofed by a press-fit waterproof ring, which is then secured with screws.

[0006] Furthermore, the front shell assembly includes a front shell waterproof ring press-fitting position and a front shell screw hole. The front shell waterproof ring press-fitting position is located above the waterproof ring. The front shell screw hole is aligned with the plastic rear shell screw hole on the rear shell assembly and is fixed by screws.

[0007] Furthermore, the rear shell assembly includes a plastic rear shell outer wall, a plastic rear shell inner wall, a plastic rear shell slot, and plastic rear shell screw holes. A groove is formed between the plastic rear shell outer wall and the plastic rear shell inner wall, and the waterproof ring is restrained by the groove. The plastic rear shell slot is located below the waterproof ring and is supported by the plastic rear shell inner wall.

[0008] The beneficial effects of the utility model are:

[0009] The plastic back shell of the utility model adopts double-layer wall to increase the overall strength and improve safety and stability; the waterproof ring has a rectangular cross-section design and can be installed on both sides, which improves production efficiency; the light and shadow marks around the side of the plastic back shell are improved, which improves the overall aesthetics. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The following detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings will make the technical solutions and beneficial effects of the present invention apparent.

[0011] Figure 1 It is the whole machine structure diagram of the utility model.

[0012] Figure 2 It is an expanded view of the whole machine structure of the utility model.

[0013] Figure 3 It is a partial enlarged view of the face shell of the utility model.

[0014] Figure 4 This is a schematic diagram of the plastic rear shell of the present invention.

[0015] Figure 5 It is a partial cross-sectional view of the whole structure of the utility model.

[0016] Description of the main components in the figure: display screen module 100, front shell assembly 200, mainboard assembly 300, waterproof ring 400, back shell assembly 500.

[0017] Description of the face shell assembly 200: The face shell waterproof ring is pressed into the bone position 210 and the face shell screw hole 220.

[0018] Description of the rear shell assembly 500: plastic rear shell outer wall 510, plastic rear shell inner wall 520, plastic rear shell slot 530, and plastic rear shell screw hole 540. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] like Figures 1 to 2 As shown in the figure, the assembly process of the whole machine is as follows: 1. First, assemble the display module 100 to the cover assembly 200, and keep the fixture under pressure for 15 seconds.

[0021] 2. Assemble the waterproof ring 400 to the rear shell assembly 500, then assemble the mainboard assembly 300 to the rear shell assembly 500, and tighten the screws.

[0022] 3. Finally, install the front cover assembly 200 of the assembled display module 100 onto the rear cover assembly 500 and secure it with screws to complete the overall structural assembly of the vehicle-mounted tablet 001.

[0023] like Figures 2 to 5As shown, the back shell component 500 is divided into inner and outer double walls, with a plastic back shell groove 530 reserved in the middle, so that the overall thickness of the plastic back shell is uniform, the plastic fluid in the injection molding production can be smoothly diverted, the stress concentration problem in the injection molding production is solved, and the side light shadow printing of the outer wall 510 of the plastic back shell is optimized.

[0024] The waterproof ring 400 is installed in the plastic rear shell slot 530 of the rear shell assembly 500 and is supported by the inner wall 520 of the plastic rear shell.

[0025] The face shell assembly 200 includes a face shell waterproof ring pressing bone position 210 through the pressing waterproof ring 400, thereby forming an upper and lower sandwich structure that is sealed and waterproof.

[0026] The waterproof ring 400 has a rectangular cross-section and can be installed in the plastic rear shell slot 530 of the rear shell assembly 500 from either side, thereby improving assembly efficiency.

[0027] The rear shell assembly 500 has a double-layer wall structure design inside and outside the rear shell to increase the overall strength and reduce damage to the internal mainboard assembly 300 devices caused by external impact.

[0028] The triangular structure design of the face shell waterproof ring pressing bone position 210 of the face shell assembly 200 reserves pressing deformation space for the waterproof ring 400. The plastic back shell slot 530 can also disperse and fill a part of the expansion and deformation of the waterproof ring 400, thereby improving the problem of the waterproof ring 400 stretching the front and rear shells in a high temperature environment, and further enhancing the waterproof sealing performance.

[0029] The front shell assembly 200 is locked to the front shell screw hole 220 through the plastic back shell screw hole 540 of the back shell assembly 500, and the waterproof ring 400 is evenly fixed and pressed around.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A double-wall structure of a vehicle-mounted display screen, mainly composed of a front shell assembly, a display screen assembly, a waterproof ring, and a rear shell assembly, characterized by: The four sides of the rear shell assembly are double-layer frame structures, connected by frames in the middle, and a groove is left in the middle of the double-layer frame as a waterproof ring sealing groove; the waterproof ring is located between the face shell and the plastic rear shell, and is limited by the waterproof ring groove of the plastic rear shell; the peripheral frame of the face shell assembly adopts a triangular design, and the face shell assembly and the rear shell assembly are sealed and waterproof by pressing the waterproof ring, and are fixed by screws.

2. The double-wall structure of a vehicle-mounted display screen according to claim 1, characterized in that: The face shell assembly includes a face shell waterproof ring press-fitting position and a face shell screw hole; the face shell waterproof ring press-fitting position is located above the waterproof ring; the face shell screw hole is aligned with the plastic back shell screw hole on the back shell assembly and is fixed by screw locking.

3. The double-wall structure of a vehicle-mounted display screen according to claim 1, characterized in that: The rear shell assembly includes a plastic rear shell outer wall, a plastic rear shell inner wall, a plastic rear shell slot, and a plastic rear shell screw hole; a groove is formed between the plastic rear shell outer wall and the plastic rear shell inner wall, and the waterproof ring is limited by the groove; the plastic rear shell slot is located below the waterproof ring and is supported by the plastic rear shell inner wall.

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