Mainboard fixing device and automobile host

Abstract

The utility model provides a mainboard fixing device and an automobile host, and relates to the technical field of automobiles, and the mainboard fixing device comprises a buckle and a positioning assembly which are arranged on a shell; the buckle is arranged on the edge of the main board, the buckle extrudes the edge of the main board in the installation process of the main board, and when the main board is installed, the buckle is connected with the edge of the main board in a clamped mode so that the main board can be fixed; the positioning assembly is connected with the main board and used for fixing the position of the main board, so that during installation, the main board only needs to be clamped into the buckle, then the main board is positioned through the positioning assembly, screws do not need to be used, and meanwhile the main board is not prone to deformation after being clamped. The technical problems that in the prior art, a main board is prone to deformation during installation, the installation technology is tedious, and cost is increased due to the fact that screws are used are solved, and the technical effects that the main board is not prone to deformation during installation, the installation process is simple, screws are not needed during installation, and therefore cost is saved are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to a mainboard fixing device and an automobile host. Background Art

[0002] With the advancement of technology, cars are becoming more and more intelligent, and cars mainly meet people's requirements for intelligence through the host set inside. The car host is the core part of the car audio and video system, and its main function is to play the sound source, which is equivalent to the DVD player in the home theater. However, in order to be more suitable for the small space in the car, the car host often has a certain power amplifier capacity. If the requirements for the speaker are not too high, there is no need for an external power amplifier, and the audio and video system can be formed more simply.

[0003] Existing in-vehicle entertainment multimedia PCB boards are mainly fixed with screws. During the screw installation process, improper torque adjustment will impose a large load on the PCB board, causing excessive deformation of the PCB board and affecting electronic performance. The screw holes need to be aligned during the installation process, and the installation process is cumbersome. At the same time, adding screws also increases costs. Utility Model Content

[0004] The utility model aims to provide a mainboard fixing device to alleviate the technical problems existing in the prior art that the PCB board is easily deformed during installation, the installation process is complicated, and the use of screws increases the cost.

[0005] The mainboard fixing device provided by the utility model is used to fix the mainboard on a housing, and comprises: a buckle and a positioning assembly arranged on the housing;

[0006] The buckle is arranged at the edge of the mainboard. During the installation of the mainboard, the buckle presses the edge of the mainboard. When the installation of the mainboard is completed, the buckle is engaged with the edge of the mainboard to fix the mainboard.

[0007] The positioning component is connected to the main board, and the positioning component is used to fix the position of the main board.

[0008] In an optional embodiment, a plurality of the clips are provided, and the plurality of the clips are arranged at intervals along the edge of the mainboard.

[0009] In an optional embodiment, the buckle includes a clamping portion and a connecting portion;

[0010] The clamping portion is connected to the housing through the connecting portion, the clamping portion is clamped with the edge of the mainboard, and the connecting portion is used to fix the clamping portion.

[0011] In an optional embodiment, an elastic portion is provided between the clamping portion and the connecting portion, two ends of the elastic portion are respectively connected to the clamping portion and the connecting portion, and the elastic portion has a movement tendency to keep a certain distance between the clamping portion and the connecting portion.

[0012] In an optional embodiment, the clamping portion, the connecting portion and the elastic portion are integrally formed.

[0013] In an optional embodiment, the clamping portion includes a step and an inclined surface;

[0014] The thickness of the inclined surface is arranged to increase along the installation direction of the mainboard, the step is arranged at one end of the inclined surface and connected to the inclined surface, and the edge of the mainboard is pressed by the inclined surface and abuts against the step.

[0015] In an optional embodiment, a buffer arm is provided on the main board;

[0016] The buffer arm is arranged at the edge of the main board and connected to the main board, a groove is arranged between the buffer arm and the main board, and the groove is arranged with an opening at the edge of the main board so that the buffer arm can be bent relative to the main board, and the buffer arm is engaged with the buckle.

[0017] In an optional embodiment, the positioning assembly includes a positioning column and a positioning hole;

[0018] The positioning column is arranged on the shell and connected to the shell, the positioning hole is arranged on the main board and penetrates the main board, and the positioning column can pass through the positioning hole to fix the position of the main board.

[0019] In an optional embodiment, the positioning assembly further includes a positioning buckle and a snap-fit ​​hole;

[0020] The positioning buckle is arranged on the shell and connected to the shell, the engaging hole is arranged on the main board and penetrates the main board, and the positioning buckle can pass through the positioning hole and engage with the positioning hole.

[0021] The automobile host provided by the utility model comprises a housing and the mainboard fixing device;

[0022] The mainboard fixing device is arranged in the shell and connected to the shell.

[0023] The mainboard fixing device provided by the utility model comprises: a buckle and a positioning component arranged on a shell; the buckle is arranged at the edge of the mainboard, and during the mainboard installation process, the buckle squeezes the edge of the mainboard, and when the mainboard installation is completed, the buckle is engaged with the edge of the mainboard to fix the mainboard; the positioning component is connected to the mainboard, and the positioning component is used to fix the position of the mainboard, so that during installation, the mainboard only needs to be clipped into the buckle, and then the mainboard is positioned by the positioning component, and no screws are needed. At the same time, the mainboard is not easy to deform after being clipped in, which alleviates the technical problems in the prior art that the mainboard is easy to deform during installation, the installation process is cumbersome, and the use of screws increases the cost, and achieves the technical effect that the mainboard is not easy to deform during installation, the installation process is simple, and no screws are needed during installation, thereby saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the structure of a mainboard fixing device and a housing provided in an embodiment of the utility model;

[0026] Figure 2 A partial enlarged view of the mainboard fixing device and the housing provided in the embodiment of the utility model;

[0027] Figure 3 A schematic diagram of the structure of a housing and a buckle provided in an embodiment of the utility model;

[0028] Figure 4 This is a schematic structural diagram of a mainboard and a buffer arm provided in an embodiment of the utility model.

[0029] Icons: 100 - buckle; 110 - snap-fitting part; 120 - connecting part; 130 - elastic part; 200 - positioning assembly; 210 - positioning column; 220 - positioning hole; 230 - positioning buckle; 240 - snap-fitting hole; 300 - buffer arm; 400 - mainboard; 500 - housing. DETAILED DESCRIPTION

[0030] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Existing in-vehicle entertainment multimedia PCB boards are mainly fixed with screws. Improper torque adjustment when twisting the screws will impose a large load on the PCB board, causing excessive deformation of the PCB board and affecting electronic performance. The screw holes need to be aligned during the installation process, and the installation process is cumbersome. At the same time, adding screws also increases costs.

[0032] In view of this, if Figure 1-Figure 4 As shown, the motherboard fixing device provided by the embodiment of the utility model includes: a buckle 100 and a positioning component 200 arranged on the shell 500; the buckle 100 is arranged at the edge of the motherboard 400, and during the installation of the motherboard 400, the buckle 100 squeezes the edge of the motherboard 400, and when the installation of the motherboard 400 is completed, the buckle 100 is engaged with the edge of the motherboard 400 to fix the motherboard 400; the positioning component 200 is connected to the motherboard 400, and the positioning component 200 is used to fix the position of the motherboard 400, so that during installation, the motherboard 400 only needs to be snapped into the buckle 100, and then the motherboard 400 is positioned by the positioning component 200, without the need to use screws, and at the same time, the motherboard 400 is not easy to deform after being snapped in, which alleviates the technical problems of the motherboard 400 being easy to deform during installation, the cumbersome installation process and the increased cost of using screws in the prior art, and achieves the technical effect that the motherboard 400 is not easy to deform when installed, the installation process is simple, and no screws are required during installation, thereby saving costs.

[0033] Regarding the structure and shape of the buckle 100, specifically:

[0034] There are multiple buckles 100, which are arranged at intervals along the circumference of the main board 400. Each buckle 100 includes a clamping portion 110, a connecting portion 120 and an elastic portion 130. The clamping portion 110, the connecting portion 120 and the elastic portion 130 can be made of plastic material and integrally formed with the shell 500, wherein the clamping portion 110 and the connecting portion 120 are arranged in parallel, and the elastic portion 130 is arranged at one end of the clamping portion 110 and the connecting portion 120 and is respectively connected to the clamping portion 110 and the connecting portion 120, so that the clamping portion 110, the elastic portion 130 and the connecting portion 120 can be in a "U" shape, wherein an inclined surface is provided on one side of the clamping portion 110 close to the main board 400, and the thickness of the inclined surface is along the main board 4 00 is arranged in an increasing installation direction, so that when the mainboard 400 is inserted, the edge of the mainboard 400 will squeeze the inclined surface, causing the elastic part 130 to deform. At this time, the clamping part 110 is close to the connecting part 120, and a step is provided below the inclined surface, and its thickness is smaller than the inclined surface, so that after the inclined surface squeezes the mainboard 400, the mainboard 400 abuts against the side wall of the step below and the end face below the inclined surface, so that the mainboard 400 is not squeezed, and at the same time, the mainboard 400 can be fixed by cooperating with the shell 500 through the step and the end face of the inclined surface, and the connecting part 120 is arranged perpendicular to the surface of the shell 500, and a reinforcing rib is provided between the connecting part 120 and the mainboard 400, so that the connection between the connecting part 120 and the shell 500 is more firmly connected.

[0035] Regarding the structure and shape of the positioning assembly 200, specifically:

[0036] The positioning assembly 200 includes a positioning column 210, a positioning hole 220, a positioning buckle 230 and a snap-on hole 240, wherein a plurality of positioning columns 210 are provided, each positioning column 210 is vertically arranged on the surface of the housing 500 and connected to the housing 500, each positioning column 210 is provided with a cylinder, and the main board 400 is provided with positioning holes 220 that are the same in number and correspond to the positioning columns 210, and the positioning holes 220 are circular, and each positioning column 210 is provided through a positioning hole 220, so that each positioning column 210 can fix the position of the main board 400 through the positioning hole 220, and further In a step, a reinforcing rib is provided below the positioning column 210, and the number of the reinforcing ribs can be four. The four reinforcing ribs are evenly arranged along the circumference of the positioning column 210, and the upper ends of the four reinforcing ribs are arranged on the same horizontal plane, so that the upper part of the reinforcing ribs can be used as a platform for abutting the main board 400, and the positioning buckle 230 and the clamping hole 240 are arranged on one side of the main board 400 and penetrate the main board 400. After the positioning buckle 230 passes through the clamping hole 240, it can abut against the surface of the main board 400, so that the positioning buckle 230 cooperates with the clamping hole 240 to fix the main board 400, thereby preventing the main board 400 from being away from the shell 500.

[0037] Regarding the structure and shape of the buffer arm 300, specifically:

[0038] There are multiple buffer arms 300, and each buffer arm 300 is corresponding to a buckle 100, that is, each buckle 100 can be connected to a buffer arm 300, wherein the buffer arm 300 is separated by an L-shaped gap set on the main board 400, and the L-shaped opening extends to the edge of the main board 400, so that when the buffer arm 300 is engaged with the buckle 100, the buffer arm 300 can be bent relative to the main board 400 through the L-shaped opening. At this time, the buffer arm 300 can buffer the extrusion caused by the deformation when the buckle 100 is engaged, avoid squeezing other components in the main board 400 and causing damage to the main board 400, and after the main board 400 is installed, the buffer arm 300 can be used to buffer the pressure between the buckle 100 and the main board 400. When the flatness of the buckle 100 or the shell 500 and the main board 400 is not good, the buffer arm 300 can be used to relieve the pressure of the buckle 100 on the main board 400.

[0039] Regarding the structure and shape of the car host, specifically:

[0040] The automobile host may include an outer shell, which may include a shell body 500 and a shell cover, wherein the main board 400 is installed on the shell body 500, the shell cover is arranged on the shell body 500 and is connected to the shell body 500 by bolts and clamping, so that the main board 400 is fixed, and the shell body 500 can be fixed in the automobile driving compartment after being connected with the shell cover.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A motherboard fixing device, used for fixing a motherboard (400) on a housing (500), characterized in that: include: A buckle (100) and a positioning assembly (200) arranged on the housing (500); The buckle (100) is arranged on the edge of the main board (400); during the installation of the main board (400), the buckle (100) presses the edge of the main board (400); when the installation of the main board (400) is completed, the buckle (100) is engaged with the edge of the main board (400) to fix the main board (400); The positioning component (200) is connected to the main board (400), and the positioning component (200) is used to fix the position of the main board (400).

2. The mainboard fixing device according to claim 1, characterized in that: A plurality of the buckles (100) are provided, and the plurality of the buckles (100) are arranged at intervals along the edge of the main board (400).

3. The mainboard fixing device according to claim 1, characterized in that: The buckle (100) comprises a clamping portion (110) and a connecting portion (120); The clamping portion (110) is connected to the housing (500) via the connecting portion (120); the clamping portion (110) is clamped to an edge of the mainboard (400); and the connecting portion (120) is used to fix the clamping portion (110).

4. The mainboard fixing device according to claim 3, characterized in that: An elastic part (130) is provided between the clamping part (110) and the connecting part (120), and two ends of the elastic part (130) are respectively connected to the clamping part (110) and the connecting part (120), and the elastic part (130) has a movement tendency that keeps a certain distance between the clamping part (110) and the connecting part (120).

5. The mainboard fixing device according to claim 4, characterized in that: The clamping portion (110), the connecting portion (120) and the elastic portion (130) are integrally formed and arranged.

6. The mainboard fixing device according to claim 3, characterized in that: The clamping portion (110) comprises a step and an inclined surface; The thickness of the inclined surface is arranged in increasing order along the installation direction of the main board (400); the step is arranged at one end of the inclined surface and connected to the inclined surface; and the edge of the main board (400) abuts against the step after being squeezed by the inclined surface.

7. The mainboard fixing device according to claim 1, characterized in that: The main board (400) is provided with a buffer arm (300); The buffer arm (300) is arranged at the edge of the main board (400) and connected to the main board (400); a groove is arranged between the buffer arm (300) and the main board (400); the groove is provided with an opening at the edge of the main board (400) so that the buffer arm (300) can be bent relative to the main board (400); and the buffer arm (300) is snap-fitted with the buckle (100).

8. The mainboard fixing device according to claim 1, characterized in that: The positioning assembly (200) comprises a positioning column (210) and a positioning hole (220); The positioning column (210) is arranged on the housing (500) and connected to the housing (500), the positioning hole (220) is arranged on the main board (400) and penetrates the main board (400), and the positioning column (210) can pass through the positioning hole (220) so that the position of the main board (400) is fixed.

9. The mainboard fixing device according to claim 1, characterized in that: The positioning assembly (200) further comprises a positioning buckle (230) and a clamping hole (240); The positioning buckle (230) is arranged on the shell (500) and connected to the shell (500), the engaging hole (240) is arranged on the main board (400) and penetrates the main board (400), and the positioning buckle (230) can pass through the engaging hole (240) and engage with the engaging hole (240).

10. A car host, characterized in that: It comprises a housing and a mainboard fixing device as claimed in any one of claims 1 to 9; The mainboard fixing device is arranged in the shell and connected to the shell.

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