A PCB board fixing fixture

By designing an adjustable fixing component and an anti-slip structure for the PCB board fixing fixture, the problems of poor adaptability and unstable fixing of existing fixtures are solved, and stable fixing and precise operation of PCB boards of different specifications are achieved.

CN224460138UActive Publication Date: 2026-07-03MIAOBAI IND (SHENZHEN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MIAOBAI IND (SHENZHEN) CO LTD
Filing Date
2025-08-01
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing PCB board fixing fixtures have poor versatility, making it difficult to adapt to PCB boards of different sizes and specifications. Furthermore, their fixing effect is unsatisfactory, and they are prone to displacement, affecting the accuracy of processing or inspection.

Method used

A PCB board fixing fixture including mounting components and adjustable fixing components was designed. Adjustable fixing is achieved through structures such as slide rails, sliding sleeves, threaded holes and screws, which can adapt to PCB boards of different sizes and thicknesses. Anti-slip pads and anti-slip clamping blocks are used to improve fixing stability.

Benefits of technology

It enables stable fixation of PCB boards of different sizes and thicknesses, improves the versatility and fixing effect of the fixture, and ensures the accuracy of processing and inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of PCB board processing auxiliary equipment, and discloses a PCB board fixing fixture, including a mounting component. An adjustable fixing component is provided at the top of the mounting component. The mounting component includes a mounting base plate, with an anti-slip pad fixedly connected to the center of the top of the mounting base plate. A groove is formed at the center of each of the front and rear ends of the mounting base plate, and a slide rail is fixedly connected between the inner sidewalls of the two ends of the groove. This utility model, by setting the mounting component and the adjustable fixing component to cooperate, provides a sliding base for the adjustable fixing component through the slide rail of the mounting component. The first sliding sleeve, connecting plate, and second sliding sleeve of the adjustable fixing component can be flexibly adjusted, adapting to PCB boards of different sizes and thicknesses, greatly improving the fixture's versatility and solving the problem of poor adaptability of existing fixtures.
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Description

Technical Field

[0001] This utility model relates to the field of PCB board processing auxiliary equipment technology, specifically a PCB board fixing fixture. Background Technology

[0002] In the manufacturing process of PCB boards, operations such as soldering, inspection, and assembly are often required. This necessitates the use of fixtures to stably hold the PCB boards in place, ensuring operational accuracy and quality. However, existing PCB board fixtures have the following problems: most of their fixing structures are relatively fixed, making it difficult to adapt to PCB boards of different sizes and specifications, resulting in poor versatility; some fixtures provide inadequate fixation of the PCB boards, easily leading to PCB board misalignment or slippage during operation, affecting processing or inspection accuracy. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a PCB board fixing fixture with adjustable fixing components. The fixing position can be flexibly adjusted according to the size of the PCB board, solving the problems of poor versatility and inadequate fixing effect of existing fixtures. It can be adapted to PCB boards of different specifications and provides stable and reliable fixing.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a PCB board fixing fixture, including a mounting component, wherein an adjustable fixing component is provided at the top of the mounting component.

[0007] The mounting assembly includes a mounting base plate, which provides basic mounting support for the entire fixture. An anti-slip pad is fixedly connected to the top center of the mounting base plate, which can increase the friction between the base plate and the PCB board and help improve the stability of the fixture. A groove is opened in the middle of each of the front and rear ends of the mounting base plate. A slide rail is fixedly connected between the inner sidewalls of the two ends of the groove, which provides a track for the sliding adjustment of the adjustable fixing assembly.

[0008] The adjustable fixing assembly includes a first sliding sleeve that is slidably mounted on the middle of the outer side of the slide rail. It can slide along the slide rail to achieve initial adjustment of the fixed position. A fixing plate is fixedly connected to the top of the first sliding sleeve for installing subsequent sliding rods and other components. A sliding rod is fixedly connected to each side of the top of the fixing plate. The same connecting plate is slidably mounted on the outer side of the two sliding rods on the front or rear side. The connecting plate can slide along the sliding rod to adjust the vertical position.

[0009] The connecting plate has a slotted groove between its upper and lower side walls at both ends, providing space for adjusting and fixing the position of the second sliding sleeve. The second sliding sleeve is slidably fitted on the outer side of both ends of the connecting plate and can slide along the connecting plate. The bottom end of the second sliding sleeve is fixedly connected to an anti-slip pressing block, which has anti-slip texture at the bottom end to enhance the contact friction with the PCB board surface and improve the fixing effect.

[0010] As a further improvement of this utility model, a mounting groove is provided on each side of the front and rear ends of the mounting base plate, which facilitates the installation and fixing of the entire fixture onto equipment such as a workbench.

[0011] As a further embodiment of this utility model: a second threaded hole is provided at the center position of one end of the two first sliding sleeves. A fastening screw is threaded into the second threaded hole. The fastening screw slides in contact with the slide rail on its corresponding side. By tightening the fastening screw, the first sliding sleeve and the slide rail can be fixed relative to each other, locking the position after the initial adjustment.

[0012] As a further embodiment of this utility model: a rotating shaft seat is fixedly installed at the center of the top of the fixed plate, a screw is fixedly connected to the rotating end above the rotating shaft seat, and a handwheel is fixedly connected to the top of the screw. Rotating the handwheel can drive the screw to rotate, thereby adjusting the vertical position of the connecting plate.

[0013] As a further improvement of this utility model: a first threaded hole is provided between the center positions of the upper and lower side walls of the connecting plate for threaded connection of the corresponding screw on one side. The screw cooperates with the first threaded hole to realize the lifting and lowering adjustment of the connecting plate.

[0014] As a further improvement of this utility model: a sliding groove is provided between the upper and lower side walls of the connecting plate for sliding rod assembly. The sliding rod slides in the sliding groove to guide the lifting and lowering of the connecting plate and ensure stability during the adjustment process.

[0015] As a further embodiment of this utility model: a fastening bolt is fixedly connected to the center position of the top of the second sliding sleeve. The fastening bolt is slidably assembled in the strip groove on its corresponding side. After adjusting the position of the anti-slip pressing block by sliding the second sliding sleeve, tightening the fastening bolt can fix the second sliding sleeve and the connecting plate relative to each other.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. In this utility model, by setting the mounting component and the adjustable fixing component together, the slide rail of the mounting component provides a sliding base for the adjustable fixing component. The first sliding sleeve, connecting plate, second sliding sleeve, etc. of the adjustable fixing component can be flexibly slidably adjusted, which can adapt to PCB boards of different sizes and thicknesses, greatly improve the versatility of the fixture, and solve the problem of poor adaptability of existing fixtures.

[0018] 2. In this utility model, through the anti-slip structure of the anti-slip pad and anti-slip clamping block, as well as the locking effect of fastening screws and fastening bolts, the PCB board can be stably and firmly fixed after the fixed position is adjusted, so as to avoid the PCB board shifting during operation and ensure the processing and testing accuracy. Attached Figure Description

[0019] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0020] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0021] Figure 3 This is a perspective view of the installation components of this utility model;

[0022] Figure 4 This is a perspective view of the adjustable fixing component of this utility model.

[0023] In the diagram: 1. Mounting assembly; 2. Adjustable fixing assembly; 11. Mounting base plate; 12. Mounting slot; 13. Groove; 14. Slide rail; 15. Anti-slip pad; 21. First sliding sleeve; 22. Fixing plate; 23. Slide rod; 24. Rotary shaft seat; 25. Screw; 26. Handwheel; 27. Connecting plate; 28. Slide groove; 29. ​​First threaded hole; 210. Strip groove; 211. Second threaded hole; 212. Fastening screw; 213. Second sliding sleeve; 214. Anti-slip clamping block; 215. Fastening bolt. Detailed Implementation

[0024] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0025] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Please see Figures 1-4 In this embodiment of the utility model, a PCB board fixing fixture includes a mounting component 1, and an adjustable fixing component 2 is provided at the top of the mounting component 1.

[0028] Mounting component 1 includes a mounting base plate 11, which provides basic mounting support for the entire fixture. An anti-slip pad 15 is fixedly connected to the top center of the mounting base plate 11, which can increase the friction between the mounting base plate and the PCB board and help improve the stability of the fixture. A groove 13 is opened in the middle of the front and rear ends of the mounting base plate 11. A slide rail 14 is fixedly connected between the inner sidewalls of the two ends of the groove 13, which provides a track for the sliding adjustment of the adjustable fixing component 2.

[0029] The adjustable fixing component 2 includes a first sliding sleeve 21 that is slidably mounted on the middle of the outer side of the slide rail 14. It can slide along the slide rail 14 to achieve initial adjustment of the fixed position. A fixing plate 22 is fixedly connected to the top of the first sliding sleeve 21 for installing subsequent components such as sliding rods 23. A sliding rod 23 is fixedly connected to each side of the top of the fixing plate 22. The same connecting plate 27 is slidably mounted on the outer side of the two sliding rods 23 on the front or rear side. The connecting plate 27 can slide along the sliding rods 23 to adjust the vertical position.

[0030] A strip groove 210 is provided between the upper and lower side walls at both ends of the connecting plate 27 to provide space for the position adjustment and fixation of the second sliding sleeve 213. The second sliding sleeve 213 is slidably fitted on the outer side of both ends of the connecting plate 27 and can slide along the connecting plate 27. An anti-slip pressing block 214 is fixedly connected to the bottom end of the second sliding sleeve 213. The bottom end of the anti-slip pressing block 214 is provided with anti-slip texture to enhance the contact friction with the PCB board surface and improve the fixing effect.

[0031] A mounting slot 12 is provided on each side of the front and rear ends of the mounting base plate 11, which facilitates the installation and fixation of the entire fixture onto the workbench or other equipment.

[0032] Two first sliding sleeves 21 are provided with a second threaded hole 211 at the center of one end of each other. A fastening screw 212 is connected to the internal thread of the second threaded hole 211. The fastening screw 212 slides in contact with the slide rail 14 on the corresponding side. By tightening the fastening screw 212, the first sliding sleeve 21 and the slide rail 14 can be fixed relative to each other, locking the position after the initial adjustment.

[0033] A rotating shaft seat 24 is fixedly installed at the center of the top of the fixed plate 22. A screw 25 is fixedly connected to the rotating end above the rotating shaft seat 24. A handwheel 26 is fixedly connected to the top of the screw 25. Rotating the handwheel 26 can drive the screw 25 to rotate, thereby adjusting the vertical position of the connecting plate 27.

[0034] A first threaded hole 29 is provided between the center positions of the upper and lower side walls of the connecting plate 27 for threaded connection of the corresponding screw 25. The screw 25 cooperates with the first threaded hole 29 to realize the lifting and lowering adjustment of the connecting plate 27.

[0035] A sliding groove 28 is provided between the upper and lower side walls of the connecting plate 27 for the sliding rod 23 to slide. The sliding rod 23 slides in the sliding groove 28 to provide guidance for the lifting and lowering of the connecting plate 27 and ensure stability during the adjustment process.

[0036] A fastening bolt 215 is fixedly connected to the center of the top of the second sliding sleeve 213. The fastening bolt 215 is slidably assembled in the strip groove 210 on its corresponding side. After adjusting the position of the anti-slip pressing block 214 by sliding the second sliding sleeve 213, tightening the fastening bolt 215 can fix the second sliding sleeve 213 and the connecting plate 27 relative to each other.

[0037] The working principle of this utility model is as follows: In use, firstly, according to the size of the PCB board, slide the first sliding sleeve 21 along the slide rail 14 to a suitable position, and tighten the fastening screw 212 to fix the first sliding sleeve 21; then rotate the handwheel 26, and adjust the vertical height of the connecting plate 27 through the screw 25 cooperating with the first threaded hole 29, so that the anti-slip pressing block 214 is adapted to the thickness of the PCB board; then slide the second sliding sleeve 213 along the connecting plate 27, so that the anti-slip pressing block 214 corresponds to the side position of the PCB board, tighten the fastening bolt 215 to fix the second sliding sleeve 213, place the PCB board on the anti-slip pad 15, and then fine-tune each component again so that the anti-slip pressing block 214 stably presses the PCB board, and then subsequent processing or testing operations can be carried out. That is, the whole assembly achieves the adaptation and fixing of PCB boards of different sizes and thicknesses through the sliding, threaded engagement and other adjustment methods of each component in the adjustable fixing assembly 2. The first sliding sleeve 21 slides along the slide rail 14 to adjust the lateral position, the screw 25 cooperates with the connecting plate 27 to adjust the vertical height, the second sliding sleeve 213 slides along the connecting plate 27 to adjust the pressing position, and after each component is adjusted, the position is locked by the corresponding screws and bolts. The anti-slip structure of the anti-slip pad 15 and the anti-slip pressing block 214 are used to achieve stable fixation of the PCB board and meet the fixing requirements under different operating scenarios.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A PCB board fixing fixture, comprising a mounting assembly (1), wherein an adjustable fixing assembly (2) is provided at the top of the mounting assembly (1); characterized in that The mounting assembly (1) includes a mounting base plate (11), an anti-slip pad (15) is fixedly connected to the top center of the mounting base plate (11), and a groove (13) is opened at the center of each of the front and rear ends of the mounting base plate (11), and a slide rail (14) is fixedly connected between the inner sidewalls of the two ends of the groove (13). The adjustable fixing assembly (2) includes a first sliding sleeve (21) slidably mounted on the middle of the outer side of the slide rail (14). A fixing plate (22) is fixedly connected to the top of the first sliding sleeve (21). A sliding rod (23) is fixedly connected to each side of the top of the fixing plate (22). The same connecting plate (27) is slidably mounted on the outer side of the two sliding rods (23) on the front or rear side. The connecting plate (27) has a strip groove (210) between the upper and lower side walls at both ends. The connecting plate (27) has a second sliding sleeve (213) slidably fitted on the outer side at both ends. The bottom end of the second sliding sleeve (213) is fixedly connected to an anti-slip pressing block (214), and the bottom end of the anti-slip pressing block (214) is provided with anti-slip texture.

2. The PCB board fixing jig according to claim 1, characterized in that: The mounting base plate (11) has a mounting groove (12) on each side at both the front and rear ends.

3. The PCB board fixing jig according to claim 1, characterized in that: Two first sliding sleeves (21) have a second threaded hole (211) at the center of one end away from each other. A fastening screw (212) is threaded into the second threaded hole (211) and slides in contact with the slide rail (14) on the corresponding side.

4. The PCB board fixing jig according to claim 1, characterized in that: A rotating shaft seat (24) is fixedly installed at the center of the top of the fixed plate (22). A screw (25) is fixedly connected to the rotating end above the rotating shaft seat (24). A handwheel (26) is fixedly connected to the top of the screw (25).

5. The PCB board fixing jig according to claim 1, characterized in that: The connecting plate (27) has a first threaded hole (29) between the center positions of the upper and lower side walls for threaded connection of the corresponding screw (25).

6. The PCB board fixing jig according to claim 1, characterized in that: The connecting plate (27) has a groove (28) between its upper and lower side walls for sliding assembly of the slide rod (23).

7. The PCB board fixing jig according to claim 1, characterized in that: The second sliding sleeve (213) has a fastening bolt (215) fixedly connected at the center of its top end. The fastening bolt (215) is slidably assembled in the strip groove (210) on its corresponding side.