Suspended full-screen combination instrument

Abstract

The utility model discloses a suspension type full-screen combination instrument, which comprises a mounting bracket, a PCB (Printed Circuit Board), a backlight module and a display module, and is characterized in that the outer side wall of the mounting bracket is provided with a mounting structure; the backlight module comprises a rear shell and an optical film material, the bottom of the rear shell protrudes outwards to form an installation sleeve, the installation sleeve is covered with the installation support to form an installation cavity for assembling the PCB, the rear shell is provided with an installation groove for installing the optical film material, the rear shell is provided with a butt joint groove, and the butt joint groove and the optical film material are matched with each other to form a step cavity; the display module comprises a display screen and a glass cover plate, the back side of the glass cover plate is optically attached to the front side of the display screen to form a step part in clearance fit with the step cavity, and a bonding layer is arranged between the step part and the step cavity. According to the suspension type full-screen combination instrument, the assembly structure is simplified, the installation is convenient, the waterproof performance of the combination instrument is improved, and the manufacturing and assembling cost of the combination instrument is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive instruments, and particularly relates to a floating full-screen combined instrument. Background Art

[0002] As the main carrier for information exchange between the user and the vehicle, the convenience and safety during the interaction process of the combined instrument are particularly important. Among them, most floating combined instruments are installed on the instrument panel through brackets or fixing parts, making them look like they are floating above the instrument panel to display various vehicle information such as vehicle speed, fuel, and temperature. The existing floating combined instruments generally adopt an integrated structure, that is, in the thickness direction, glass, a panel, a liquid crystal display screen cover, a liquid crystal display screen, a liquid crystal bracket, a PCB board, and a rear shell are combined into the entire combined instrument through glue, buckles, screws, etc. The assembly structure is relatively complex, the installation is inconvenient, and there are gaps at the installation location, resulting in poor waterproof performance of the combined instrument.

[0003] By moving the installation point downward, more parts of the combined instrument can be exposed, and the floating effect is better; the overall installation structure is simplified, the assembly of each component is convenient, and each component is firmly limited inside the instrument; in addition, light is evenly projected onto both sides of the display screen through a light homogenizing sheet, which can expand the display range. Summary of the Utility Model

[0004] The purpose of the utility model is to design a floating full-screen combined instrument to solve the above-mentioned technical deficiencies, with a simplified assembly structure, convenient installation, improved waterproof performance of the combined instrument, and reduced manufacturing and assembly costs of the combined instrument.

[0005] To solve the above-mentioned technical problems, the technical solution of the utility model is: a floating full-screen combined instrument, including an installation bracket, a PCB board, a backlight module, and a display module. The outer side wall of the installation bracket is provided with an installation structure for connecting to the instrument panel;

[0006] The backlight module includes a rear housing and an optical film material. The bottom of the rear housing is convexly formed with an installation sleeve, and the installation bracket covers the installation sleeve to form an installation cavity for assembling the PCB board. The rear housing is provided with an installation groove for installing the optical film material, and a docking groove is provided at a position on the opening edge of the rear housing relative to the installation groove. The docking groove and the optical film material cooperate with each other to form a stepped cavity;

[0007] The display module includes a display screen and a glass cover plate. The back side of the glass cover plate is optically bonded to the front side of the display screen to form a stepped portion that is in clearance fit with the stepped cavity, and an adhesive layer is provided between the stepped portion and the stepped cavity.

[0008] Preferably, an installation ring extends inwards from the edge of the installation bracket, the installation ring is sleeved on the inner wall of the installation sleeve, and the installation ring is detachably connected to the installation sleeve.

[0009] Preferably, a plurality of first buckle structures are arranged on the inner wall of the installation sleeve along its edge, and the part of the installation ring inserted into the installation sleeve is buckled with each of the first buckle structures.

[0010] Preferably, the PCB board is provided with at least one interface component, and the installation bracket is penetrated with a through hole for the interface component to pass through.

[0011] Preferably, a plurality of second buckle structures are arranged on the inner wall of the installation groove along its edge, and the optical film is inserted into the installation groove and is buckled with each of the second buckle structures.

[0012] Preferably, an outwardly convex ring extending along the edge is arranged on the inner wall of the installation groove, each of the second buckle structures is integrally formed with the outwardly convex ring, and the back side of the optical film abuts against the outwardly convex ring.

[0013] Preferably, an adhesive part is arranged at a position of the hollow area between the optical film and the installation groove relative to the outwardly convex ring.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] For a suspended full-screen combined instrument of the present utility model, the optical film is connected to the rear housing through the installation groove as a backlight module, a stepped part is formed by optically bonding the back side of the glass cover plate to the front side of the display screen, the glass cover plate and the display screen are connected together as a display module, the installation groove and the optical template cooperate with each other to form a stepped cavity, the stepped part and the stepped cavity are in clearance fit and are provided with an adhesive layer, and the adhesive layer plays a role in connecting and sealing the connection part between the backlight module and the display module, so that the assembly structure of the combined instrument is simplified, the installation is relatively convenient, the waterproof performance of the combined instrument is improved, and the manufacturing and assembly cost of the combined instrument is reduced. Description of the Drawings

[0016] Figure 1 is a schematic structural view of the combined instrument in the embodiment Figure 1 ;

[0017] Figure 2 is a schematic structural view of the combined instrument in the embodiment Figure 2 ;

[0018] Figure 3 is a cross-sectional view of the combined instrument in the embodiment.

[0019] In the figure: 1. Mounting bracket; 101. Mounting structure; 102. Mounting ring; 103. Through hole; 2. PCB board; 201. Interface component; 3. Rear housing; 301. Mounting groove; 302. Docking groove; 303. Second snap structure; 304. Outer convex ring; 4. Optical film; 5. Display screen; 6. Glass cover plate; 7. Mounting sleeve; 701. First snap structure; 8. Adhesive layer; 9. Adhesive part. Detailed implementation mode

[0020] Reference Figure 1 , Figure 2 , Figure 3 , a suspended full-screen combination instrument, including a mounting bracket 1, a PCB board 2, a rear housing 3, an optical film 4, a display screen 5, and a glass cover plate 6.

[0021] An outer convex mounting sleeve 7 is formed at the bottom of the rear housing 3. An inner mounting ring 102 extends inward from the edge of the mounting bracket 1. The mounting ring 102 is sleeved on the inner wall of the mounting sleeve 7, and the mounting ring 102 and the mounting sleeve 7 are detachably connected. A plurality of first snap structures 701 are arranged along the edge of the inner wall of the mounting sleeve 7. The part of the mounting ring 102 inserted into the mounting sleeve 7 is snap-fitted with each first snap structure 701, so that the mounting bracket 1 covers the mounting sleeve 7 to form a mounting cavity for assembling the PCB board 2. The mounting ring 102 and the mounting sleeve 7 can also be detachably connected by screws. The PCB board 2 is provided with two interface components 201, and the mounting bracket 1 is penetrated with a through hole 103 for the interface components 201 to pass through. Two symmetrically arranged mounting structures 101 are formed on the outer side wall of the mounting bracket 1 for connecting to the instrument panel. Preferably, the mounting bracket 1 is made of aluminum alloy material, so that the mounting bracket 1 can be used as a shielding cover for the PCB board 2 to ensure good stability of the combination instrument in a complex electromagnetic environment.

[0022] The rear housing 3 is made of magnesium aluminum alloy material. The rear housing 3 is provided with a mounting groove 301. The inner wall of the mounting groove 301 is provided with an outer convex ring 304 extending along its edge. A plurality of second snap structures 303 are integrally formed on the outer convex ring 304 along the edge of the mounting groove 301. The optical film 4 is inserted into the mounting groove 301. When the back side of the optical film 4 abuts against the outer convex ring 304, the edge part of the optical film 4 is snap-fitted with each second snap structure 303 to limit the optical film 4 in the mounting groove 301. The optical film 4 and the rear housing 3 are connected together through the mounting groove 301 as a backlight module. Preferably, the optical film 4 is an integration of multiple films, such as a diffusion film, a brightness enhancement film, a reflection film, a polarization film, etc., to improve the brightness and uniformity of the display module. This is prior art and will not be elaborated in detail here.

[0023] The glass cover plate 6 is made of aluminosilicate glass material. A stepped portion is formed by optically bonding the back side of the glass cover plate 6 to the front side of the display screen 5. The glass cover plate 6 and the display screen 5 are connected together as a display module. A docking groove 302 is provided at the position of the rear housing 3 relative to the opening edge of the installation groove 301. The glass cover plate 6 is inserted into the docking groove 302, so that the display screen 5 enters the installation groove 301. The docking groove 302 and the installation groove 301 cooperate to form a stepped cavity. The stepped portion and the stepped cavity are in clearance fit to guide the docking and assembly between the display module and the backlight module. And an adhesive layer 8 is provided between the stepped portion and the stepped cavity. The adhesive layer 8 plays a role in connecting and sealing the connection between the backlight module and the display module, simplifies the assembly structure of the combined instrument, makes the installation more convenient, improves the waterproof performance of the combined instrument, and reduces the manufacturing and assembly cost of the combined instrument.

[0024] With the cooperation of the outward convex ring 304 and the optical film material 4, a gap is reserved between the optical film material 4 and the installation groove 301. An adhesive portion 9 is provided at the position of the optical film material 4 relative to the hollow area of the outward convex ring 304 between the optical film material 4 and the installation groove 301, so as to make the connection between the optical film material 4 and the rear housing 3 more reliable.

[0025] Preferably, both the adhesive layer 8 and the adhesive portion 9 are structural adhesives. The adhesive layer 8 is a ring-shaped structural adhesive extending from the opening edge of the stepped cavity. The adhesive portion 9 can be several dot-shaped structural adhesives, or the adhesive portion 9 can be a sheet-shaped structural adhesive. During the connection process of the backlight module and the display module, the PCB board 2 and the display screen 5 are electrically connected through a flexible circuit board. Then, a structural adhesive is filled between the backlight module and the display module for connection fixation and circuit encapsulation to complete the installation of the combined instrument.

[0026] Of course, the above are only typical examples of the present invention. In addition, the present invention can also have many other specific implementation manners. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A suspended full-screen combination instrument, characterized in that: It comprises a mounting bracket (1), a PCB board (2), a backlight module and a display module, wherein the outer side wall of the mounting bracket (1) is provided with a mounting structure (101) for connecting to an instrument panel; The backlight module comprises a rear shell (3) and an optical film material (4); a mounting sleeve (7) is formed on the bottom of the rear shell (3) in a convex manner; the mounting bracket (1) is covered on the mounting sleeve (7) to form a mounting cavity for assembling the PCB board (2); the rear shell (3) is provided with a mounting groove (301) for installing the optical film material (4); and the rear shell (3) is provided with a docking groove (302) at a position relative to the opening edge of the mounting groove (301); the docking groove (302) and the optical film material (4) cooperate with each other to form a step cavity; The display module comprises a display screen (5) and a glass cover plate (6); the back side of the glass cover plate (6) is optically bonded to the front side of the display screen (5) to form a step portion that matches the gap of the step cavity; an adhesive layer (8) is provided between the step portion and the step cavity.

2. A floating full-screen combination instrument according to claim 1, characterized in that: A mounting ring (102) extends inwardly from the edge of the mounting bracket (1); the mounting ring (102) is sleeved on the inner wall of the mounting sleeve (7); and the mounting ring (102) and the mounting sleeve (7) are detachably connected.

3. A floating full-screen combination instrument according to claim 2, characterized in that: The inner wall of the installation sleeve (7) is provided with a plurality of first buckle structures (701) distributed along its edge, and the portion of the installation ring (102) inserted into the installation sleeve (7) is buckled with each of the first buckle structures (701).

4. The floating full-screen combination instrument according to claim 1, characterized in that: The PCB board (2) is provided with at least one interface component (201), and the mounting bracket (1) is penetrated by a through hole (103) for the interface component (201) to pass through.

5. The floating full-screen combination instrument according to claim 1, characterized in that: The inner wall of the installation groove (301) is provided with a plurality of second snap-fit ​​structures (303) distributed along its edge, and the optical film material (4) is inserted into the installation groove (301) and snap-fitted with each of the second snap-fit ​​structures (303).

6. The floating full-screen combination instrument according to claim 5, characterized in that: The inner wall of the installation groove (301) is provided with an outer convex ring (304) extending along its edge, each of the second buckle structures (303) is integrally formed with the outer convex ring (304), and the back side of the optical film material (4) is in contact with the outer convex ring (304).

7. The floating full-screen combination instrument according to claim 6, characterized in that: An adhesive portion (9) is provided between the optical film material (4) and the mounting groove (301) at a position relative to the hollow area of ​​the outer convex ring (304).

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