Abnormal sound prevention structure of backlight rubber frame

By setting up shrapnel and positioning snap assembly in the storage tank of the backlight rubber rack, the abnormal noise problem of PCB board due to assembly tolerance is solved, and the stable fixation of the PCB board and noise cancellation is achieved.

CN222827409UActive Publication Date: 2025-05-02TRULY SEMICON
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Patent Information

Application Number
CN202421397617.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-05-02
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

Due to assembly tolerances, the PCB board behind the backlight module of the display product is prone to abnormal noise when it shakes.

Method used

An anti-iron structure of a backlight rubber rack is designed. By providing the first shrapnel and the second shrapnel on the frame body, and combining the positioning component and the snapping component, the PCB board is securely fixed in the storage tank.

Benefits of technology

It effectively prevents loosening and abnormal noise caused by assembly tolerances of PCB boards, ensuring that no noise occurs during shaking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an abnormal sound prevention structure of a backlight rubber frame. The abnormal sound prevention structure of the backlight rubber frame comprises a frame body, a PCB (Printed Circuit Board), a positioning assembly, a buckle assembly and a jacking assembly, wherein a storage groove is formed in the frame body; the PCB is arranged in the storage groove; the positioning assembly is arranged in the storage groove and penetrates through the PCB; the buckle assembly is arranged in the storage groove, and the buckle assembly is connected with the PCB; the jacking assembly comprises a first elastic piece and a second elastic piece, the first elastic piece and the second elastic piece are both arranged on the frame body, the end face, close to the positioning assembly, of the first elastic piece abuts against the PCB, and the end face, close to the positioning assembly, of the second elastic piece abuts against the PCB. According to the scheme provided by the invention, the problem that abnormal sound is generated when the PCB shakes due to assembly tolerance can be solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to an abnormal noise prevention structure of a backlight glue frame. Background Art

[0002] At present, some display products have a PCB behind the backlight module, which is fixed by the buckle on the plastic frame of the backlight module. However, due to the assembly tolerance, the PCB will be slightly loose after installation, and then there will be abnormal noise when shaking. Utility Model Content

[0003] The utility model aims to overcome the deficiencies in the prior art and provide a structure for preventing abnormal noise of a backlight glue frame, which can solve the problem that abnormal noise is generated when a PCB board is shaken due to assembly tolerance.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] The first aspect of the present application provides an anti-noise structure of a backlight plastic frame, comprising: a frame body, which is provided with a storage slot; a PCB board, which is arranged in the storage slot; a positioning component, which is arranged in the storage slot, and the positioning component passes through the PCB board; a buckle component, which is arranged in the storage slot, and the buckle component is connected to the PCB board; a supporting component, which comprises a first spring sheet and a second spring sheet, wherein the first spring sheet and the second spring sheet are both arranged on the frame body, and the end surface of the first spring sheet close to the positioning component supports the PCB board, and the end surface of the second spring sheet close to the positioning component supports the PCB board.

[0006] The first elastic sheet and the second elastic sheet are flush with each other.

[0007] The positioning assembly includes a first fixing column and a second fixing column, the first fixing column and the second fixing column are respectively arranged in the storage slot, and the first fixing column passes through the PCB board, and the second fixing column passes through the PCB board.

[0008] The first fixing column and the second fixing column are flush with each other.

[0009] The buckle assembly includes a first clamping block, which is disposed in the storage slot and connected to the PCB board.

[0010] The buckle assembly further includes a second clamping block and a third clamping block, the second clamping block and the third clamping block are respectively disposed in the storage slot, and the second clamping block and the third clamping block are respectively connected to the PCB board.

[0011] The second clamping block and the third clamping block are flush with each other.

[0012] It also includes a supporting block, which is arranged in the storage groove.

[0013] The frame is also provided with a hollow area.

[0014] It also includes a support block, which is arranged in the storage groove.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] By providing a first spring sheet and a second spring sheet, the first spring sheet and the second spring sheet cooperate with the positioning assembly and the buckle assembly, so that the PCB board is firmly fixed in the storage slot without loosening, thereby solving the problem of abnormal noise generated by the PCB board when shaking due to assembly tolerance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0018] Figure 1 It is a structural schematic diagram of the anti-sound structure of the backlight glue frame in one embodiment of the utility model;

[0019] Figure 2 It is a structural schematic diagram of another implementation of the anti-noise structure of the backlight glue frame in one embodiment of the utility model. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0021] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0022] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] Some display products have a PCB behind the backlight module, which is fixed by the clips on the backlight module's plastic frame. However, due to assembly tolerances, the PCB will be slightly loose after installation, which will cause abnormal noise when shaking.

[0024] In view of the above problems, an embodiment of the present application provides a structure for preventing abnormal noise of a backlight plastic frame, which can solve the problem of abnormal noise generated by a PCB board when it is shaken due to assembly tolerance.

[0025] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0026] See also Figure 1 and Figure 2 A backlight plastic frame anti-noise structure includes: a frame 100, a PCB board 200, a positioning component 300, a buckle component 400 and a top holding component 500, the frame 100 is provided with a storage slot 110; the PCB board 200 is arranged in the storage slot 110; the positioning component 300 is arranged in the storage slot 110, and the positioning component 300 passes through the PCB board 200; the buckle component 400 is arranged in the storage slot 110, and the buckle component 400 is connected to the PCB board 200; the top holding component 500 includes a first spring piece 510 and a second spring piece 520, the first spring piece 510 and the second spring piece 520 are both arranged on the frame 100, the end surface of the first spring piece 510 close to the positioning component 300 is held against the PCB board 200, and the end surface of the second spring piece 520 close to the positioning component 300 is held against the PCB board 200.

[0027] It should be noted that the first spring piece 510 and the second spring piece 520 are plastic spring pieces. Through the elastic force of the first spring piece 510 and the second spring piece 520, and the cooperation with the positioning component 300 and the snap component 400, the PCB board 200 can be tightly limited in the material placement groove 110, thereby ensuring that the PCB board 200 will not make abnormal noise when shaking.

[0028] See also Figure 1 In one embodiment, the first spring piece 510 and the second spring piece 520 are flush with each other.

[0029] It should be noted that, in order to ensure uniform holding force, the first spring piece 510 and the second spring piece 520 are flush with each other.

[0030] See also Figure 1 In one embodiment, the positioning assembly 300 includes a first fixing column 310 and a second fixing column 320, the first fixing column 310 and the second fixing column 320 are respectively disposed in the storage slot 110, and the first fixing column 310 penetrates the PCB board 200, and the second fixing column 320 penetrates the PCB board 200.

[0031] It should be noted that two through holes are provided on the PCB board 200 , and the first fixing column 310 and the second fixing column 320 pass through the through holes correspondingly to limit the PCB board 200 .

[0032] See also Figure 1 In one embodiment, the first fixing column 310 and the second fixing column 320 are flush with each other. It should be noted that the first fixing column 310 and the second fixing column 320 are flush with each other, but of course, they may not be flush with each other under the condition of satisfying the assembly space.

[0033] See also Figure 1 In one embodiment, the anti-sound structure of the backlight adhesive rack further includes a support block 600, which is disposed in the storage slot 110. Specifically, the anti-sound structure of the backlight adhesive rack further includes a support block 700, which is disposed in the storage slot 110.

[0034] It should be noted that the supporting block 600 and the supporting block 700 have the same function, and both play the role of supporting the PCB board 200 .

[0035] See also Figure 1 In one embodiment, the buckle assembly 400 includes a first clamping block 410, which is disposed in the storage slot 110 and connected to the PCB board 200. Specifically, the buckle assembly 400 also includes a second clamping block 420 and a third clamping block 430, which are respectively disposed in the storage slot 110 and connected to the PCB board 200.

[0036] It should be noted that the second clamping block 420 and the third clamping block 430 are used to clamp the two sides of the PCB board 200, and the first clamping block 410 is located between the first spring piece 510 and the second spring piece 520. By providing the first clamping block 410, the second clamping block 420 and the third clamping block 430, the PCB board 200 can be limited in position in cooperation with the supporting block 700 and the support block 600.

[0037] Specifically, the second clamping block 420 is flush with the third clamping block 430. It should be noted that in order to ensure uniform clamping force and prevent the PCB board 200 from warping, the second clamping block 420 is flush with the third clamping block 430.

[0038] See also Figure 1 In one embodiment, a hollow area 120 is further provided on the frame 100 .

[0039] It should be noted that, by providing the hollow area 120 , it is convenient for operators to remove the PCB board 200 .

[0040] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the various embodiments have their own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the specification are not necessarily required for the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application can be adjusted in order, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0041] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A backlight plastic frame anti-noise structure, characterized in that: include: The frame body is provided with a storage slot; A PCB board is arranged in the storage slot; A positioning component is arranged in the storage slot, and the positioning component passes through the PCB board; A buckle assembly is disposed in the storage slot, and the buckle assembly is connected to the PCB board; The supporting component includes a first spring sheet and a second spring sheet, both of which are arranged on the frame, the first spring sheet is close to the end surface of the positioning component and supports the PCB board, and the second spring sheet is close to the end surface of the positioning component and supports the PCB board.

2. The anti-sound structure of the backlight plastic frame according to claim 1, characterized in that: The first elastic sheet and the second elastic sheet are flush with each other.

3. The anti-sound structure of the backlight plastic frame according to claim 1, characterized in that: The positioning assembly includes a first fixing column and a second fixing column, the first fixing column and the second fixing column are respectively arranged in the storage slot, and the first fixing column passes through the PCB board, and the second fixing column passes through the PCB board.

4. The anti-sound structure of the backlight adhesive frame according to claim 3, characterized in that: The first fixing column and the second fixing column are flush with each other.

5. The anti-sound structure of the backlight plastic frame according to claim 1, characterized in that: The buckle assembly includes a first clamping block, which is disposed in the storage slot and connected to the PCB board.

6. The anti-sound structure of the backlight adhesive frame according to claim 5, characterized in that: The buckle assembly further includes a second clamping block and a third clamping block, the second clamping block and the third clamping block are respectively disposed in the storage slot, and the second clamping block and the third clamping block are respectively connected to the PCB board.

7. The anti-sound structure of the backlight adhesive frame according to claim 6, characterized in that: The second clamping block and the third clamping block are flush with each other.

8. The anti-sound structure of the backlight adhesive frame according to claim 1, characterized in that: It also includes a supporting block, which is arranged in the storage groove.

9. The anti-sound structure of the backlight plastic frame according to claim 1, characterized in that: The frame is also provided with a hollow area.

10. The anti-sound structure of the backlight adhesive frame according to claim 1, characterized in that: It also includes a support block, which is arranged in the storage groove.