CN221378452U

CN221378452U - Backlight iron frame with limiting and fixing functions

Info

Publication number: CN221378452U
Application number: CN202322917528.2U
Authority: CN
Inventors: 张传旺; 何伟伟
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-07-19
Anticipated expiration: 2033-10-30

Abstract

A backlight iron stand with a limiting and fixing function, comprising: a rear iron frame and a PCB; the device comprises a rear iron frame, wherein four spring gaskets are arranged on one side of the rear iron frame, and movable buckles are arranged on one side of the spring gaskets away from the rear iron frame; the PCB is provided with four grounding holes and is positioned in the center of one side of the rear iron frame. According to the backlight iron frame with the limiting and fixing functions, through the spring gasket arranged on the rear iron frame and the position relation between the spring gasket and the grounding hole on the PCB, the PCB can be sleeved on the spring gasket of the rear iron frame through the grounding hole, and then through the structural design between the movable buckle and the spring gasket and the movable buckle, the movable buckle can be fixed on the spring gasket, so that the PCB can be fixed on the rear iron frame of the backlight without using double-sided adhesive tape, the use of double-sided adhesive tape and the process of pasting double-sided adhesive tape are reduced, and meanwhile, the PCB is also detected or replaced without influencing the PCB.

Description

Backlight iron frame with limiting and fixing functions

Technical Field

The utility model relates to the technical field of vehicle-mounted backlight iron frames, in particular to a backlight iron frame with a limiting and fixing function.

Background

At present, in the design of current on-vehicle module, the main screen PCB board is fixed together through two-sided adhesive and back iron frame in a poor light, consequently, the process of pasting two-sided adhesive has been increased in the flow of production, consequently, need design a post more and be used for pasting two-sided adhesive specially, production efficiency has not only been reduced, the PCB board that bonds with the two-sided adhesive is all very troublesome when subsequent repair and change simultaneously, can cause the damage to the PCB board during the change, therefore the iron frame in a poor light that designs a limit fixation function now, can just can fix the PCB board on back iron frame in a poor light without using the two-sided adhesive, reduce the use of two-sided adhesive and paste two-sided adhesive flow, also can not cause the influence to the PCB board when also detecting or changing the PCB board simultaneously.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art and provides a backlight iron frame with a limiting and fixing function.

The aim of the utility model is realized by the following technical scheme:

A backlight iron stand with a limiting and fixing function, comprising: a rear iron frame and a PCB; the device comprises a rear iron frame, wherein four spring gaskets are arranged on one side of the rear iron frame, and movable buckles are arranged on one side of the spring gaskets away from the rear iron frame; the PCB is provided with four grounding holes and is positioned in the center of one side of the rear iron frame.

In one embodiment, four spring washers are respectively located on the left and right sides of the front face of the rear iron frame, which is close to the top and the bottom of the center, and the diameter of the front face of the spring washer is smaller than that of the front face of the grounding hole.

In one embodiment, the length and width of the front face of the rear iron frame are larger than those of the front face of the PCB, and the shape of the front face of the PCB is rectangular.

In one embodiment, the four grounding holes are respectively located at four corners of the front face of the PCB board body, and the diameter of the front face of the grounding hole is smaller than that of the front face of the movable buckle.

In one embodiment, the positions of the four spring gaskets on the rear iron frame and the four grounding holes of the PCB board correspond to each other.

In one embodiment, four copper leakage positions are arranged on the PCB board, and the four copper leakage positions are located around each grounding hole.

In one embodiment, the rear iron frame is provided with a plurality of clamping grooves on the frame body far away from the edge of one side of the PCB.

In one embodiment, the height of the spring washer is larger than the thickness of the PCB, and the side surface of the movable buckle is in a trapezoid shape with a wider upper part and a narrower lower part.

In one embodiment, the movable buckle is movably connected with the spring washer.

In one embodiment, the copper leakage bit is connected with GND in the vehicle-mounted module.

Compared with the prior art, the utility model has at least the following advantages:

According to the backlight iron frame with the limiting and fixing functions, through the spring gasket arranged on the rear iron frame and the position relation between the spring gasket and the grounding hole on the PCB, the PCB can be sleeved on the spring gasket of the rear iron frame through the grounding hole, then through the structural design between the movable buckle and the spring gasket and the movable buckle, the movable buckle can be fixed on the spring gasket, so that the PCB is fixed on the spring gasket, according to the size of the movable buckle and the size of the grounding hole, and the size of the spring gasket and the size of the grounding hole, the spring gasket plays a supporting role, the front surface of the PCB can be grounded with the grounding back surface of the backlight iron frame through the spring and the backlight iron frame through the movable buckle, and meanwhile, the PCB can be fixed in a vertical moving mode, so that the backlight iron frame with the limiting and fixing functions can be fixed on the rear iron frame of the backlight without using glue, the double-sided sticky flow and the double-sided sticky flow of the PCB can be reduced, and the double-sided sticky flow of the PCB can not be influenced when the PCB is detected or replaced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the whole structure of the front surface of a backlight iron frame with a limiting and fixing function;

FIG. 2 is a schematic diagram of the overall structure of a top view of a backlight iron frame with a limiting and fixing function;

fig. 3 is a schematic perspective view of a backlight iron frame with a limiting and fixing function.

In the figure: 1. a rear iron frame; 11. a movable buckle; 12. a spring washer; 2. a PCB board; 21. a ground hole; 22. and (5) copper leakage.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, a backlight iron stand with a limiting and fixing function includes: a rear iron frame 1 and a PCB 2; the rear iron frame 1, one side of the rear iron frame 1 is provided with four spring gaskets 12, and one side of the spring gaskets 12 far away from the rear iron frame 1 is provided with a movable buckle 11; the PCB 2, be provided with four ground holes 21 on the PCB 2, the PCB 2 is located the central authorities in back iron stand 1 one side. It should be noted that the spring spacer 12 may play a supporting role, and the movable buckle 11 connected to the spring spacer 12 may limit the PCB 2, so that the PCB 2 located on the spring spacer 12 may be grounded to the ground plane of the rear iron frame 1.

As shown in fig. 1 and 3, in one embodiment, four spring washers 12 are respectively located on the left and right sides of the front surface of the rear iron stand 1 near the top and bottom of the center, and the diameter of the front surface of the spring washer 12 is smaller than the diameter of the front surface of the ground hole 21. The positions of the four spring gaskets 12 on the rear iron frame 1 and the four grounding holes 21 of the PCB 2 correspond to each other. It should be noted that, when the PCB board 2 is fixed on the rear iron frame 1, the grounding hole 21 and the spring washer 12 are only aligned and sleeved.

As shown in fig. 1, in an embodiment, the front length and width of the rear iron stand 1 are larger than the front length and width of the PCB 2, and the front shape of the PCB 2 is rectangular. It should be noted that this design allows the rear iron stand 1 to protect the PCB board 2.

As shown in fig. 1 and 3, in an embodiment, four grounding holes 21 are respectively located at four corners of the front surface of the PCB 2, and the diameter of the front surface of the grounding hole 21 is smaller than that of the front surface of the movable buckle 11. It should be noted that, the front surface of the grounding hole 21 is circular, and the movable buckle 11 is connected with the spring washer 12, so that the PCB 2 can be prevented from sliding out of the movable buckle 11.

As shown in fig. 1-3, in one embodiment, four copper leakage sites 22 are disposed on the PCB board 2, and the four copper leakage sites 22 are located around each of the grounding holes 21. The copper leakage bit 22 is connected with GND in the vehicle-mounted module. It should be noted that the area occupied by the copper leakage site 22 is only slightly larger than the area of the grounding hole 21, and the copper leakage site 22 is adapted to the grounding opening on the rear iron stand 1.

As shown in fig. 2, in an embodiment, a plurality of clamping grooves are formed on a frame body of a side edge of the rear iron frame 1 far away from the PCB board 2. It should be noted that, this design can make things convenient for back iron stand 1 to install in on-vehicle module.

As shown in fig. 2 and 3, in an embodiment, the height of the spring washer 12 is greater than the thickness of the PCB board 2, and the side of the movable buckle 11 is in a trapezoid shape with a wider upper part and a narrower lower part. The movable buckle 11 is movably connected with the spring washer 12. It should be noted that the position of the movable buckle 11 after being connected to the spring washer 12 can be adjusted.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A backlight iron stand with spacing fixed function, characterized by comprising:

A rear iron frame (1) and a PCB (2);

The rear iron frame (1), one side of the rear iron frame (1) is provided with four spring gaskets (12), and one side of the spring gaskets (12) far away from the rear iron frame (1) is provided with a movable buckle (11);

The PCB (2), be provided with four ground holes (21) on PCB (2), PCB (2) are located the central authorities of back iron stand (1) one side.

2. The backlight iron frame with the limiting and fixing functions according to claim 1, wherein four spring gaskets (12) are respectively positioned on the left side and the right side of the front face of the rear iron frame (1) close to the top and the bottom of the center, and the diameter of the front face of the spring gasket (12) is smaller than that of the front face of the grounding hole (21).

3. The backlight iron frame with the limiting and fixing functions according to claim 1, wherein the length and the width of the front face of the rear iron frame (1) are larger than those of the front face of the PCB (2), and the front face of the PCB (2) is rectangular.

4. The backlight iron frame with the limiting and fixing functions according to claim 1, wherein four grounding holes (21) are respectively arranged on four corners of the front face of the board body of the PCB board (2), and the diameter of the front face of the grounding hole (21) is smaller than that of the front face of the movable buckle (11).

5. The backlight iron frame with the limiting and fixing functions according to claim 1, wherein positions of four spring gaskets (12) on the rear iron frame (1) and four grounding holes (21) of the PCB board (2) correspond to each other.

6. The backlight iron frame with the limiting and fixing functions according to claim 1, wherein four copper leakage positions (22) are arranged on the PCB (2), and the four copper leakage positions (22) are located around each grounding hole (21).

7. The backlight iron frame with the limiting and fixing functions according to claim 1, wherein a plurality of clamping grooves are formed in a frame body of the edge, away from one side of the PCB (2), of the rear iron frame (1).

8. The backlight iron stand with the limiting and fixing functions according to claim 1, wherein the height of the spring gasket (12) is larger than the thickness of the PCB (2), and the side surface of the movable buckle (11) is in a trapezoid shape with a wider upper part and a narrower lower part.

9. The backlight iron stand with the limiting and fixing functions according to claim 1, wherein the movable buckle (11) is movably connected with the spring gasket (12).

10. The backlight iron stand with the limiting and fixing functions according to claim 6, wherein the copper leakage position (22) is connected with GND in the vehicle-mounted module.