Anti-loosening PCBA mainboard

By setting adjustment components on the PCBA motherboard, the problem of inconvenient removal of the motherboard in the existing technology is solved, convenient disassembly and repair is achieved, and work efficiency is improved.

CN223274374UActive Publication Date: 2025-08-26SHENZHEN HONGNAN ELECTRONIC CO LTD
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Patent Information

Application Number
CN202422665377.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-08-26
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

The existing PCBA motherboard is labor-intensive when removing and repairing, and the distance between the motherboard and the installation frame is small, resulting in inconvenience.

Method used

Adjustment components are provided on the installation frame, including positioning slots, limit slots, sliders, sliders, sleeves, screws, knobs and lifting discs. Through the use of these components, convenient disassembly of the PCBA motherboard is achieved.

Benefits of technology

It realizes convenient removal and maintenance of PCBA motherboards, simplifies the operation process and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-loosening PCBA mainboard which comprises a mounting frame, the PCBA mainboard is arranged in the mounting frame, limiting assemblies are arranged on the mounting frame and the PCBA mainboard, heat dissipation holes are formed in the mounting frame, an adjusting assembly facilitating taking out of the PCBA mainboard is arranged on the mounting frame, and the PCBA mainboard is arranged on the PCBA mainboard. The adjusting assembly comprises a positioning groove, a limiting groove, a sliding groove, a sliding block, a sleeve, a lead screw, a rotary button and a lifting disc, the positioning groove is formed in the inner bottom wall of the mounting frame, the limiting groove is formed in the inner bottom wall of the positioning groove, the sliding groove is formed in the inner wall of the limiting groove, the sliding block is slidably connected with the inner wall of the sliding groove, and the sleeve is sleeved with the sliding block. The sleeve is arranged between the sliding blocks, the lead screw is arranged in the limiting groove, the other end of the lead screw penetrates through and extends to the bottom of the mounting frame, the rotary button is arranged at the bottom of the lead screw, and the lifting disc is arranged at the top of the sleeve. According to the technical scheme, the PCBA mainboard can be taken out conveniently.
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Description

Technical Field

[0001] The utility model relates to the technical field of PCBA mainboards, in particular to an anti-loosening PCBA mainboard. Background Art

[0002] PCBA board, also known as printed circuit board, printed circuit board, often uses the English abbreviation PCB, is an important electronic component, the support body of electronic components, and the provider of electronic component circuit connections. PCBA board is a PCB blank board that goes through the entire process of SMT mounting and then DIP plug-in. It is abbreviated as PCBA, which is a commonly used writing method in China.

[0003] According to Chinese patent application number CN202222008098.8, a dustproof and anti-loosening PCBA motherboard includes a mounting plate, a support leg mounted on the lower surface of the mounting plate, and mounting frames disposed on both left and right ends of the upper side of the mounting plate. A first adjustment rod is mounted on the inner side of the lower end of the mounting frame, and a first pull ring is disposed on the outer surface of the first adjustment rod; a spring is mounted on the outer side of the middle portion of the first adjustment rod, a limit block connected to the first adjustment rod is disposed to the right of the spring, a mainboard is mounted on the inner side of the limit block, and an electronic component is mounted on the upper end of the mainboard; a filter is disposed on the upper rear end of the mounting frame, a second adjustment rod is mounted on the inner front end of the filter, and positioning assemblies connected to the mounting frame are disposed on both the front and rear sides of the mainboard. The dustproof and anti-loosening PCBA mainboard facilitates adjustment and positioning of the device and improves the dustproof effect of the device. The spacing between the mainboard and the mounting frame is relatively small, which makes it inconvenient to remove the mainboard for replacement or repair, resulting in labor-consuming and time-consuming. Utility Model Content

[0004] The main purpose of the utility model is to provide an anti-loosening PCBA motherboard, aiming to solve the technical problem that the existing motherboard is inconvenient to remove.

[0005] To achieve the above-mentioned objectives, the anti-loosening PCBA motherboard proposed in the present invention includes a mounting frame, a PCBA motherboard is arranged inside the mounting frame, a limiting component is provided on the mounting frame and the PCBA motherboard, a heat dissipation hole is provided on the mounting frame, and an adjustment component is provided on the mounting frame to facilitate the removal of the PCBA motherboard;

[0006] The adjustment assembly includes a positioning groove, a limiting groove, a slide groove, a slider, a sleeve, a screw rod, a knob and a lifting plate. The positioning groove is opened on the inner bottom wall of the mounting frame, the limiting groove is opened on the inner bottom wall of the positioning groove, the slide groove is opened on the inner wall of the limiting groove, the slider is slidably connected to the inner wall of the slide groove, the sleeve is arranged between the sliders, the screw rod is arranged inside the limiting groove, and the other end passes through and extends to the bottom of the mounting frame, the knob is arranged at the bottom of the screw rod, and the lifting plate is arranged on the top of the sleeve.

[0007] Optionally, there are multiple heat dissipation holes, and they are spaced apart from each other.

[0008] Optionally, the inner wall of the limiting groove is slidably connected to the outer surface of the sleeve.

[0009] Optionally, the inner wall of the sleeve is threadedly connected to the outer surface of the screw rod.

[0010] Optionally, the limiting assembly includes a threaded groove, a threaded hole and a screw, the threaded groove is opened on the inner bottom wall of the mounting frame, the threaded hole is opened on the PCBA mainboard, and the screw is threadedly connected to the threaded groove and the threaded hole.

[0011] Optionally, the number of the limiting components is multiple groups, and they are arranged at intervals.

[0012] The technical solution of the present invention has the following beneficial effects: According to the technical solution of the present invention, when the PCBA mainboard needs to be disassembled and removed, the staff first rotates the screw with a tool to separate it from the thread groove, and then turns the knob. The screw drives the lifting plate on the sleeve to move upward through the sliding groove, the slider and the limit groove, and lifts the PCBA mainboard upward, so that the PCBA mainboard can be easily removed and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0014] Figure 1 This is a schematic diagram of the overall structure of an anti-loosening PCBA motherboard according to an embodiment of the present invention. Figure 1 ;

[0015] Figure 2 This is a front view of an anti-loosening PCBA mainboard according to one embodiment of the present invention;

[0016] Figure 3 for Figure 2 A magnified view of point A in the figure;

[0017] Figure 4 for Figure 2 Enlarged view of point B in .

[0018] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings.

[0019] Figure numbers: 1. Installation frame; 2. PCBA mainboard; 3. Limiting assembly; 31. Threaded groove; 32. Threaded hole; 33. Screw; 4. Heat dissipation hole; 5. Adjusting assembly; 51. Positioning groove; 52. Limiting groove; 53. Slide; 54. Slider; 55. Sleeve; 56. Screw; 57. Knob; 58. Lifting plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0022] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0023] The utility model provides a PCBA mainboard that is anti-loosening.

[0024] like Figures 1 to 4 As shown, in one embodiment of the present utility model, the anti-loosening PCBA motherboard includes a mounting frame 1, a PCBA motherboard 2 is arranged inside the mounting frame 1, a limit assembly 3 is provided on the mounting frame 1 and the PCBA motherboard 2, a heat dissipation hole 4 is provided on the mounting frame 1, and an adjustment assembly 5 is provided on the mounting frame 1 to facilitate the removal of the PCBA motherboard 2. The bottom of the mounting frame 1 is provided with supporting feet, and the number of supporting feet is multiple, so that the heat dissipated by the PCBA motherboard 2 can be discharged from the heat dissipation hole 4;

[0025] The adjustment component 5 includes a positioning groove 51, a limiting groove 52, a slide 53, a slider 54, a sleeve 55, a screw rod 56, a knob 57 and a lifting plate 58. The positioning groove 51 is opened on the inner bottom wall of the installation frame 1, the limiting groove 52 is opened on the inner bottom wall of the positioning groove 51, the slide 53 is opened on the inner wall of the limiting groove 52, the slider 54 is slidably connected to the inner wall of the slide 53, the sleeve 55 is arranged between the sliders 54, the screw rod 56 is arranged inside the limiting groove 52, and the other end passes through and extends to the bottom of the installation frame 1, the knob 57 is arranged at the bottom of the screw rod 56, the lifting plate 58 is arranged at the top of the sleeve 55, the sleeve 55 is fixedly connected to the lifting plate 58, and the lifting plate 58 is in contact with the PCBA mainboard 2.

[0026] Specifically, there are multiple heat dissipation holes 4 , which are spaced apart from each other, so that the PCBA mainboard 2 can dissipate heat conveniently during operation.

[0027] Specifically, the inner wall of the limiting groove 52 is slidably connected to the outer surface of the sleeve 55 , and the limiting groove 52 conveniently limits the sleeve 55 .

[0028] Specifically, the inner wall of the sleeve 55 is threadedly connected to the outer surface of the screw rod 56, and the screw rod 56 can easily drive the sleeve 55 to adjust up and down.

[0029] Specifically, the limiting assembly 3 includes a threaded groove 31, a threaded hole 32 and a screw 33. The threaded groove 31 is opened on the inner bottom wall of the mounting frame 1, the threaded hole 32 is opened on the PCBA mainboard 2, and the screw 33 is threadedly connected to the threaded groove 31 and the threaded hole 32.

[0030] Specifically, there are multiple groups of limit components 3, which are spaced apart from each other, so as to facilitate fixing the PCBA mainboard 2 and prevent it from loosening.

[0031] Specifically, the working principle and use process of the utility model are as follows:

[0032] When the PCBA mainboard 2 needs to be disassembled and removed, the staff first uses a tool to rotate the screw 33 to separate it from the thread groove 31, and then turns the knob 57. The screw 56 drives the lifting plate 58 on the sleeve 55 to move upward through the slide groove 53, the slider 54 and the limit groove 52, and pushes the PCBA mainboard 2 upward, making it easy to remove the PCBA mainboard 2.

[0033] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A PCBA motherboard that prevents loosening, characterized in that: The invention comprises an installation frame (1), wherein a PCBA mainboard (2) is provided inside the installation frame (1), a limiting component (3) is provided on the installation frame (1) and the PCBA mainboard (2), a heat dissipation hole (4) is provided on the installation frame (1), and an adjustment component (5) is provided on the installation frame (1) for facilitating the removal of the PCBA mainboard (2); The adjustment component (5) includes a positioning groove (51), a limiting groove (52), a sliding groove (53), a slider (54), a sleeve (55), a screw rod (56), a knob (57) and a lifting plate (58), wherein the positioning groove (51) is provided on the inner bottom wall of the installation frame (1), the limiting groove (52) is provided on the inner bottom wall of the positioning groove (51), the sliding groove (53) is provided on the inner wall of the limiting groove (52), the sliding block (54) is slidably connected to the inner wall of the sliding groove (53), the sleeve (55) is provided between the sliding blocks (54), the screw rod (56) is provided inside the limiting groove (52), and the other end thereof passes through and extends to the bottom of the installation frame (1), the knob (57) is provided at the bottom of the screw rod (56), and the lifting plate (58) is provided at the top of the sleeve (55).

2. The anti-loosening PCBA motherboard according to claim 1, characterized in that: The heat dissipation holes (4) are multiple in number and are arranged at intervals.

3. The anti-loosening PCBA motherboard according to claim 1, characterized in that: The inner wall of the limiting groove (52) is slidably connected to the outer surface of the sleeve (55).

4. The anti-loosening PCBA motherboard according to claim 1, characterized in that: The inner wall of the sleeve (55) is threadedly connected to the outer surface of the screw rod (56).

5. The anti-loosening PCBA motherboard according to claim 1, characterized in that: The limiting assembly (3) comprises a threaded groove (31), a threaded hole (32) and a screw (33); the threaded groove (31) is provided on the inner bottom wall of the installation frame (1); the threaded hole (32) is provided on the PCBA mainboard (2); and the screw (33) is threadedly connected to the threaded groove (31) and the threaded hole (32).

6. The anti-loosening PCBA motherboard according to claim 5, characterized in that: The number of the limiting components (3) is multiple groups, and they are arranged at intervals.

Citation Information

Patent Citations

  • Dustproof and anti-loosening PCBA mainboard

    CN219698209U