CN216818648U

CN216818648U - Hardware decorative rear cover with grounding function

Info

Publication number: CN216818648U
Application number: CN202122268199.4U
Authority: CN
Inventors: 黄传明; 尹生花; 吴志党; 曾日荣
Original assignee: Huizhou Desay SV Automotive Co Ltd
Current assignee: Huizhou Desay SV Automotive Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-06-24
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a hardware decorative rear cover with a grounding function, which belongs to the technical field of automobile parts and comprises a decorative rear cover, wherein a plurality of rear cover installation lugs are arranged on the decorative rear cover, an instrument PCB is arranged on one side of the decorative rear cover, an entertainment PCB is arranged on one side of the decorative rear cover and beside the instrument PCB, an installation panel assembly is arranged on one side of the decorative rear cover, and an instrument TFT screen and an entertainment TFT screen are arranged on one side of the installation panel assembly, which is far away from the decorative rear cover. When the portable multifunctional entertainment instrument is used, when the instrument PCB and the entertainment PCB generate static electricity, the grounding elastic sheet can guide the static electricity on the instrument PCB to the grounding exposed part of the decorative back cover, and the grounding foam can guide the static electricity on the entertainment PCB to the grounding exposed part of the decorative back cover, so that the instrument PCB and the entertainment PCB can reach the grounding effect, and the influence of the static electricity on the instrument PCB and the entertainment PCB is avoided.

Description

Hardware decorative rear cover with grounding function

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a hardware decorative rear cover with a grounding function.

Background

In the development process of automobiles, more and more automobiles use multi-connection screens to increase the practicability and the attractiveness of automobile instruments, and the multi-connection screens of the automobiles generally have the functions of instrument display, function display and entertainment.

However, the existing automobile multi-connected screen still has a certain problem, and when the existing automobile multi-connected screen is used, a screen assembly and a PCB assembly in a screen structure are easily affected by static electricity, so that the problem of screen display errors is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the hardware decorative rear cover with the grounding function, which has the characteristic of being capable of avoiding the influence of static electricity on a screen assembly and a PCB assembly.

In order to achieve the purpose, the utility model provides the following technical scheme:

a hardware decorative rear cover with a grounding function comprises a decorative rear cover, wherein a plurality of rear cover installation lugs are arranged on the decorative rear cover, an instrument PCB is arranged on one side of the decorative rear cover, a PCB is arranged on one side of the decorative rear cover beside the instrument PCB, an installation panel assembly is arranged on one side of the decorative rear cover, an instrument TFT screen and an entertainment TFT screen are arranged on one side, away from the decorative rear cover, of the installation panel assembly, a plurality of grounding exposed parts are arranged on the decorative rear cover, screen grounding assemblies are arranged between the decorative rear cover and the instrument TFT screen and between the decorative rear cover and the entertainment TFT screen, PCB grounding assemblies are arranged between the decorative rear cover and the instrument PCB and between the entertainment PCB, a touch screen assembly is arranged on one side, away from the decorative rear cover, of the installation panel assembly, and a bonding assembly is arranged between the installation panel assembly and the touch screen assembly, two mounting grooves are formed in the bonding assembly, and the instrument TFT screen and the entertainment TFT screen are fixedly mounted on the inner sides of the two mounting grooves respectively.

Through adopting above-mentioned technical scheme, ground connection exposed position conveniently decorates between lid and the instrument PCB board, amusement PCB board, instrument TFT screen and the amusement TFT screen electric UNICOM, and PCB ground connection subassembly leads the static of instrument PCB board and amusement PCB board to decorating the back lid, and screen ground connection subassembly leads the static of instrument TFT screen and amusement TFT screen to decorating the back lid.

Furthermore, the grounding exposed part comprises an instrument PCB grounding exposed part, an entertainment PCB grounding exposed part, an instrument screen grounding exposed part and an entertainment screen grounding exposed part, the opening position of the instrument PCB grounding exposed part corresponds to the position of the instrument PCB, the opening position of the entertainment PCB grounding exposed part corresponds to the position of the entertainment PCB, the opening position of the instrument screen grounding exposed part corresponds to the position of the instrument TFT screen, and the arrangement of the entertainment screen grounding exposed part corresponds to the position of the entertainment TFT screen.

By adopting the technical scheme, when static electricity appears on the instrument PCB, the entertainment TFT screen and the instrument TFT screen, the structures can be grounded through the grounding exposed part and the two grounding components.

Furthermore, the screen grounding assembly comprises entertainment screen conductive foam and instrument screen conductive foam, the entertainment screen conductive foam is arranged between an entertainment TFT screen and an entertainment screen grounding exposed part, the instrument screen conductive foam is arranged between an instrument TFT screen and an instrument screen grounding exposed part, one side of the mounting surface plate assembly is provided with a first through groove at a position corresponding to the screen grounding exposed part, one side of the mounting surface plate assembly is provided with a second through groove at a position corresponding to the instrument screen grounding exposed part, the instrument screen conductive foam penetrates through the mounting surface plate assembly through the second through groove, and the entertainment screen conductive foam penetrates through the mounting surface plate assembly through the first through groove.

By adopting the technical scheme, the instrument screen conductive foam can guide static electricity on the instrument TFT screen to the instrument screen grounding exposed part of the decorative rear cover, and the entertainment PCB grounding foam can guide static electricity on the entertainment TFT screen to the screen grounding exposed part of the decorative rear cover.

Furthermore, the PCB grounding assembly comprises a grounding elastic sheet and PCB grounding foam, the grounding elastic sheet is fixedly installed on one side, close to the decorative rear cover, of the instrument PCB, the installation position of the grounding elastic sheet corresponds to the position of the grounding exposed part of the instrument PCB, and the PCB grounding foam is arranged between the entertainment TFT screen and the grounding exposed part of the entertainment PCB.

By adopting the technical scheme, the grounding elastic sheet can guide static electricity on the instrument PCB to the grounding exposed part of the instrument PCB of the decorative rear cover, and the PCB grounding foam can guide the static electricity on the entertainment PCB to the grounding exposed part of the entertainment PCB of the decorative rear cover.

Furthermore, a plurality of rear cover mounting lugs are uniformly distributed on four sides of the decorative rear cover, each rear cover mounting lug is provided with a locking hole, and the decorative rear cover is mounted on the vehicle body through the rear cover mounting lugs and locking screws.

By adopting the technical scheme, the whole screen device can be arranged on the vehicle body by the rear cover mounting lug and the locking screw.

In conclusion, the utility model has the following beneficial effects:

1. through setting up the exposed position of instrument PCB ground connection, the exposed position of amusement PCB ground connection and PCB ground connection subassembly, when using, produce static when instrument PCB board and amusement PCB board, the ground connection shell fragment can lead the exposed position of instrument PCB ground connection of lid after decorating with the static on the instrument PCB board, PCB ground connection bubble cotton can lead the exposed position of amusement PCB ground connection of lid after decorating with the static on the amusement PCB board, thereby make instrument PCB board and amusement PCB board reach the effect of ground connection, avoid the influence of static to instrument PCB board and amusement PCB board.

2. Through setting up screen ground connection subassembly, when static appears on instrument TFT screen and the amusement TFT screen, the electrically conductive bubble of instrument screen is cotton can lead the static on the instrument TFT screen to the instrument screen ground connection exposed part department of lid behind the decoration, and the electrically conductive bubble of amusement screen is cotton can lead the static on the amusement TFT screen to the amusement screen ground connection exposed part department of lid behind the decoration to reach the effect that makes instrument TFT screen and amusement TFT screen reach ground connection, avoided the influence of static to amusement TFT screen and instrument TFT screen.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front and back sides of the decorative rear cover according to the present invention;

FIG. 3 is a schematic view of the structure of the decorative rear cover of the present invention;

FIG. 4 is an exploded view of the decorative rear cover structure of the present invention;

FIG. 5 is a schematic diagram of the structure of the meter PCB and the entertainment PCB according to the present invention.

In the figure:

1. a touch screen assembly; 2. a TFT screen; 3. bonding the assembly; 4. mounting a panel assembly; 5. An entertainment PCB board; 6. the screen conductive foam; 7. decorating the rear cover; 8. locking the screw; 9. an instrument PCB board; 10. an instrument TFT screen; 11. the exposed part of the instrument PCB is grounded; 12. the exposed part of the entertainment PCB is grounded; 13. the instrument screen is grounded on the exposed part; 14. the exposed part of the entertainment screen is grounded; 15. the back cover is provided with a lug; 16. the instrument screen is made of conductive foam; 17. a grounding elastic sheet; 18. entertainment PCB grounding foam; 19. a first through groove; 20. the second through groove.

Detailed Description

Example (b):

the present invention is described in further detail below with reference to figures 1-5.

Referring to fig. 1-5, the present invention provides a technical solution: a hardware decoration rear cover with a grounding function is shown in figures 1-5 and comprises a decoration rear cover 7, and is characterized in that: a plurality of rear cover mounting lugs 15 are arranged on the decorative rear cover 7, an instrument PCB 9 is arranged on one side of the decorative rear cover 7, an entertainment PCB 5 is arranged on one side of the decorative rear cover 7 and beside the instrument PCB 9, a mounting panel assembly 4 is arranged on one side of the decorative rear cover 7, an instrument TFT screen 10 and an entertainment TFT screen 2 are arranged on one side of the mounting panel assembly 4 away from the decorative rear cover 7, a plurality of grounding exposed parts are arranged on the decorative rear cover 7, a screen grounding assembly is arranged between the decorative rear cover 7 and the instrument TFT screen 10 and between the entertainment TFT screen 2, a PCB grounding assembly is arranged between the decorative rear cover 7 and the instrument PCB 9 and between the entertainment PCB 5, a touch screen assembly 1 is arranged on one side of the mounting panel assembly 4 away from the decorative rear cover 7, a bonding assembly 3 is arranged between the mounting panel assembly 4 and the touch screen assembly 1, and two mounting grooves are arranged on the bonding assembly 3, the instrument TFT screen 10 and the entertainment TFT screen 2 are respectively and fixedly arranged at the inner sides of the two mounting grooves, the grounding exposed part comprises an instrument PCB grounding exposed part 11, an entertainment PCB grounding exposed part 12, an instrument screen grounding exposed part 13 and an entertainment screen grounding exposed part 14, the opening position of the instrument PCB grounding exposed part 11 corresponds to the position of the instrument PCB 9, the opening position of the entertainment PCB grounding exposed part 12 corresponds to the position of the entertainment PCB 5, the opening position of the instrument screen grounding exposed part 13 corresponds to the position of the instrument TFT screen 10, the arrangement of the entertainment screen grounding exposed part 14 corresponds to the position of the entertainment TFT screen 2, the PCB grounding component comprises a grounding elastic sheet 17 and PCB grounding foam 18, the grounding elastic sheet 17 is fixedly arranged at one side of the instrument PCB 9 close to the decorative rear cover 7, the installation position of the grounding elastic sheet 17 corresponds to the position of the instrument PCB grounding exposed part 11, the PCB ground foam 18 is disposed between the entertainment PCB panel 5 and the entertainment TFT screen 2.

In this embodiment, through set up several dew copper position on decorating back lid 7, thereby make several ground connection bubble cotton can lead static to decorating back lid 7, the dew copper processing has also been done with the cotton 18 contact position of PCB ground connection bubble on amusement PCB board 5, make PCB ground connection bubble cotton 18 can effectually lead the static on the amusement PCB board 5 to decorating back lid 7, when instrument PCB board 9 and amusement PCB board 5 produced static, ground connection shell fragment 17 can lead the static on instrument PCB board 9 to decorating back lid 7, PCB ground connection bubble cotton 18 can lead the static on the amusement PCB board 5 to decorating back lid 7, thereby make instrument PCB board 9 and amusement PCB board 5 reach the effect of ground connection, avoid the influence of static to instrument PCB board 9 and amusement PCB board 5.

As shown in fig. 1-5, the screen grounding assembly comprises an entertainment screen conductive foam 6 and an instrument screen conductive foam 16, the entertainment screen conductive foam 6 is disposed between the entertainment TFT screen 2 and the screen grounding exposed portion 14, the instrument screen conductive foam 16 is disposed between the instrument TFT screen 10 and the instrument screen grounding exposed portion 13, a first through groove 19 is disposed on one side of the mounting panel assembly 4 and corresponding to the entertainment screen grounding exposed portion 14, a second through groove 20 is disposed on one side of the mounting panel assembly 4 and corresponding to the instrument screen grounding exposed portion 13, the instrument screen conductive foam 16 penetrates the mounting panel assembly 4 through the second through groove 20, the entertainment screen conductive foam 6 penetrates the mounting panel assembly 4 through the first through groove 19, a plurality of rear cover mounting lugs 15 are uniformly distributed on four sides of the decorative rear cover 7, each rear cover mounting lug 15 is provided with a locking hole, the decorative rear cover 7 is mounted on the vehicle body by the rear cover mounting lugs 15 and the lock attachment screws 8.

In this embodiment, through a plurality of back lid installation lugs 15 and locking screws 8 of decorating the outside of back lid 7, can install whole screen device on the automobile body, and decorate back lid 7 and automobile body conducting structure and connect, form the effect of return circuit ground connection, when using, when static appears on instrument TFT screen 10 and amusement TFT screen 2, instrument screen conductive bubble cotton 16 can lead the static on the instrument TFT screen 10 to decorating back lid 7, PCB ground connection bubble cotton 18 can lead the static on the amusement TFT screen 2 to decorating back lid 7, thereby reach and make instrument TFT screen 10 and amusement TFT screen 2 reach the effect of ground connection, the influence of static to amusement TFT screen 2 and instrument TFT screen 10 has been avoided.

The working principle is as follows: when the screen device is installed, the whole screen device can be installed on a vehicle body through a plurality of rear cover installation lugs 15 and locking screws 8 on the outer side of the decorative rear cover 7, the decorative rear cover 7 is connected with a vehicle body conductive structure to form a loop grounding effect, when static electricity appears on the instrument TFT screen 10 and the entertainment TFT screen 2 in use, the instrument screen conductive foam 16 can guide the static electricity on the instrument TFT screen 10 to the decorative rear cover 7, the PCB grounding foam 18 can guide the static electricity on the entertainment TFT screen 2 to the decorative rear cover 7, so that the instrument TFT screen 10 and the entertainment TFT screen 2 are grounded, the influence of the static electricity on the entertainment TFT screen 2 and the instrument TFT screen 10 is avoided, when the instrument PCB 9 and the entertainment PCB 5 generate the static electricity, the grounding elastic sheet 17 can guide the static electricity on the instrument PCB 9 to the decorative rear cover 7, and the PCB grounding foam 18 can guide the static electricity on the entertainment PCB 5 to the decorative rear cover 7, therefore, the instrument PCB 9 and the entertainment PCB 5 can be grounded, and the influence of static electricity on the instrument PCB 9 and the entertainment PCB 5 is avoided.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a lid behind five metals decoration with ground connection function, covers (7) after decorating its characterized in that: be provided with lid installation lug (15) behind a plurality of on decorating back lid (7), one side of decorating back lid (7) is provided with instrument PCB board (9), one side of decorating back lid (7) and in instrument PCB board (9) other be provided with PCB board (5), one side of decorating back lid (7) is provided with installation face board subassembly (4), one side of installing face board subassembly (4) keeping away from decorating back lid (7) is provided with instrument TFT screen (10) and TFT screen (2), it has seted up the exposed position of a plurality of ground connection on lid (7) to decorate the back, be provided with screen ground connection subassembly between lid (7) and instrument TFT screen (10) and TFT screen (2) after decorating, be provided with PCB ground connection subassembly between lid (7) and instrument PCB board (9) and PCB board (5) after decorating.

2. The hardware decorative rear cover with the grounding function according to claim 1, characterized in that: one side of installing panel component (4) keeping away from decorating back lid (7) is provided with touch-sensitive screen subassembly (1), be provided with bonding subassembly (3) between installing panel component (4) and touch-sensitive screen subassembly (1), two mounting grooves have been seted up on bonding subassembly (3), instrument TFT screen (10) and TFT screen (2) fixed mounting are respectively in the inboard of two mounting grooves.

3. The hardware decorative rear cover with the grounding function according to claim 1, characterized in that: the utility model discloses a structure of ground connection, the exposed position of ground connection includes that instrument PCB ground connection exposes position (11), PCB ground connection exposes position (12), instrument screen ground connection exposes position (13), screen ground connection exposes position (14), the position of seting up position and instrument PCB board (9) of instrument PCB ground connection exposes position (11) corresponds, the position of seting up position and PCB board (5) of PCB ground connection exposes position (12) and corresponds, the position of seting up position and instrument TFT screen (10) of instrument screen ground connection exposes position (13) and corresponds, the position of setting up and TFT screen (2) of screen ground connection exposes position (14) corresponds.

4. The hardware decorative rear cover with the grounding function according to claim 3, wherein: the screen grounding component comprises screen conductive foam (6) and instrument screen conductive foam (16), the screen conductive foam (6) is arranged between the TFT screen (2) and the grounding exposed part (14) of the screen, the meter screen conductive foam (16) is arranged between the meter TFT screen (10) and the grounding exposed part (13) of the meter screen, a first through groove (19) is arranged at one side of the mounting panel component (4) and at the corresponding position of the grounding exposed part (14) of the screen, a second through groove (20) is arranged at one side of the mounting panel component (4) and at the corresponding position of the grounding exposed part (13) of the instrument screen, the instrument panel conductive foam (16) penetrates through the mounting panel assembly (4) through a second penetrating groove (20), the screen conductive foam (6) penetrates through the mounting panel assembly (4) through the first penetrating groove (19).

5. The hardware decorative rear cover with the grounding function according to claim 3, wherein: the PCB grounding assembly comprises a grounding elastic sheet (17) and PCB grounding foam (18), the grounding elastic sheet (17) is fixedly installed on one side, close to the decorative rear cover (7), of the instrument PCB (9), the installation position of the grounding elastic sheet (17) corresponds to the position of the exposed part (11) of the instrument PCB in the grounding mode, and the PCB grounding foam (18) is arranged between the PCB (5) and the TFT screen (2).

6. The hardware decorative rear cover with the grounding function according to claim 1, characterized in that: the rear cover mounting lugs (15) are uniformly distributed on four sides of the decorative rear cover (7), each rear cover mounting lug (15) is provided with a screw locking hole, and the decorative rear cover (7) is mounted on the vehicle body through the rear cover mounting lugs (15) and the locking screws (8).