Printed circuit board heat conduction and insulation test fixture
By designing adjustable clamping components and a magnetic fixing structure, the problem of insufficient adaptability of existing circuit board clamps is solved, achieving stable clamping of circuit boards of different sizes and improving processing accuracy and safety.
Patent Information
- Application Number
- CN202520208465.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing circuit board fixtures are difficult to adapt to circuit boards of different sizes, resulting in improper clamping or incomplete coverage, which affects processing accuracy and safety.
A test fixture for thermal conductivity and insulation of printed circuit boards was designed. It uses a metal rod, a clamping assembly and a positioning and fixing assembly. The combination of a bidirectional lead screw and a nut block enables adjustable clamping of circuit boards of different sizes. Combined with the fixing method of magnets and springs, it enables stable clamping of circuit boards of different widths and lengths.
It achieves stable clamping of circuit boards of different sizes, improves processing accuracy and safety, and is highly adaptable, able to flexibly meet the needs of circuit boards of different sizes.
Smart Images
Figure CN223876853U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a circuit board clamp technical field, specifically a kind of printed circuit board heat conduction insulation test fixture. BACKGROUND
[0002] Circuit board clamp is used to clamp PCB for processing. In the PCB processing process, the main role of the fixture is to ensure the accurate positioning and fixation of the PCB, so that the operator can safely and accurately complete cutting, drilling and other operations.
[0003] Some circuit board clamps are designed for specific sizes of circuit boards, and when different sizes of circuit boards need to be processed, they cannot be well adapted. For example, the clamping mechanism of the fixture is fixed in position, and it may not be able to effectively clamp the edge of a smaller circuit board, while it may not be able to completely cover and secure a larger circuit board.
[0004] Therefore, the utility model provides a kind of printed circuit board heat conduction insulation test fixture to solve the above problems. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, the utility model provides a kind of printed circuit board heat conduction insulation test fixture, which solves the above problems.
[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a kind of printed circuit board heat conduction insulation test fixture, including metal pole, the outer wall of the metal pole is provided with clamping assembly;The inside of the clamping assembly is provided with positioning and fixing assembly;The clamping assembly includes sliding block, the sliding block is slidably connected to the outer wall of two metal poles, the inside of the sliding block is provided with recess, the inner wall between the recess is rotatably connected with bidirectional screw rod, the outer wall of the bidirectional screw rod is threadedly connected with nut block, the one side of the sliding block is provided with through slot, the one side of the nut block is fixedly connected with clamping rod, the inside of the clamping rod is provided with clamping groove, the positioning and fixing assembly includes magnet, the inner wall of the sliding block is slidably connected with magnet, the one side of the magnet is fixedly connected with pull rod, the one side of the pull rod is penetrated through sliding block and movably connected.
[0007] Further, the outer wall of one end of the bidirectional screw rod is fixedly connected with anti-skid swivel ring.
[0008] By adopting the above technical scheme, the bidirectional screw rod can be easily rotated.
[0009] Further, the inside of the sliding block is provided with limit slot.
[0010] By adopting the above technical scheme, the nut block is limited by cooperating with the convex block.
[0011] Further, the nut block is fixedly connected with a protruding block on both sides, and the protruding block is in sliding connection with the inner wall of the limiting groove.
[0012] By adopting the above technical scheme, the nut block is prevented from rotating.
[0013] Further, the magnet is fixedly connected with a spring on one side, and one end of the spring is fixedly connected with the inner wall of the sliding block.
[0014] By adopting the above technical scheme, the magnet is reset.
[0015] Beneficial effects
[0016] The utility model provides a kind of printed wiring board heat insulation test fixture.Compared with prior art, it has the following beneficial effects:
[0017] 1, the printed wiring board heat insulation test fixture, by rotating anti-skid swivel ring and further driving bidirectional screw rod rotation, bidirectional screw rod rotation and further promote two nut blocks to be close to each other, two nut blocks and further drive two clamping rods to be close to each other, then the two sides of line board are placed into clamping groove and further can be clamped to line board, and the same component in two sliders can be independently controlled and adjusted to adjust line board of two ends width difference, two sliders can also be slid on metal rod, and the above-mentioned can be combined to clamp line board of different length and width.
[0018] 2, the printed wiring board heat insulation test fixture, by magnetically attracting on the side of metal rod and further fixing sliding block, when needing to release the fixation of sliding block, just pull pull rod and drive magnet to move to make it separate from the attraction of metal rod, simultaneously, spring is also compressed, when sliding block moves to appropriate position, pull rod can be released, and at this time, spring can release elastic force and make magnet rebound to be fixed to the side of metal rod and fix sliding block. DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the description of embodiment or prior art, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0020] Figure 1 It is the external structure perspective view of the utility model;
[0021] Figure 2 It is the structure enlarged view of place A of the utility model;
[0022] Figure 3Is the structure of the utility model overhead view;
[0023] Figure 4 Is the structure of the utility model B place enlarged view;
[0024] Figure 5 Is the structure of the utility model part overhead view.
[0025] In the figure: 1, metal pole;2, clamping assembly;21, sliding block;22, recess;23, bidirectional screw;24, nut block;25, clamping rod;26, clamping groove;27, through slot;28, limit slot;29, convex block;210, anti-skid ring;3, positioning and fixing assembly;31, magnet;32, pull rod;33, spring. DETAILED DESCRIPTION
[0026] It should be noted that in the description of the embodiments of the present application, the terms "front, rear, left, right, upper, lower" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected;It can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] The present application will be further described in detail below by means of the drawings and examples.
[0028] Reference Figures 1 to 5The embodiment of the application provides a printed circuit board heat conduction insulation test clamp, which comprises a metal rod 1, the outer wall of the metal rod 1 is provided with a clamping assembly 2, the inner part of the clamping assembly 2 is provided with a positioning and fixing assembly 3, the clamping assembly 2 comprises a sliding block 21, the sliding block 21 is slidably connected to the outer wall of the two metal rods 1, a groove 22 is formed in the inner part of the sliding block 21, a bidirectional screw rod 23 is rotatably connected between the inner walls of the groove 22, a nut block 24 is threadedly connected to the outer wall of the bidirectional screw rod 23, a through groove 27 is formed in one side of the sliding block 21, a clamping rod 25 is fixedly connected to one side of the nut block 24, and a clamping groove 26 is formed in the inner part of the clamping rod 25. The positioning and fixing assembly 3 comprises a magnet 31, the magnet 31 is slidably connected to the inner wall of the sliding block 21, a pull rod 32 is fixedly connected to one side of the magnet 31, and the pull rod 32 penetrates through one side of the sliding block 21 and is movably connected. The outer wall of one end of the bidirectional screw rod 23 is fixedly connected with an anti-skid rotating ring 210. A limiting groove 28 is formed in the inner part of the sliding block 21. The two sides of the nut block 24 are fixedly connected with protruding blocks 29, and the protruding blocks 29 are slidably connected to the inner walls of the limiting grooves 28.
[0029] In specific implementation: the anti-skid rotating ring 210 is rotated to drive the bidirectional screw rod 23 to rotate, the bidirectional screw rod 23 is rotated to drive the two nut blocks 24 to move close to each other, the two nut blocks 24 drive the two clamping rods 25 to move close to each other, the two sides of the circuit board are placed into the clamping grooves 26 to clamp the circuit board, the same components in the two sliding blocks 21 can be independently controlled and adjusted to adjust the circuit boards with different widths at two ends, the two sliding blocks 21 can slide on the metal rod 1, and the circuit boards with different lengths and widths can be clamped by the above-mentioned combination, the magnet 31 is adsorbed on one side of the metal rod 1 to fix the sliding block 21, when it is needed to release the fixing of the sliding block 21, the magnet 31 is moved by pulling the pull rod 32 to separate from the adsorption of the metal rod 1.
[0030] Reference Figures 1 to 5 In one aspect of the embodiment, one side of the magnet 31 is fixedly connected with a spring 33, and one end of the spring 33 is fixedly connected to one side of the inner wall of the sliding block 21.
[0031] In specific implementation: the magnet 31 is adsorbed on one side of the metal rod 1 to fix the sliding block 21, when it is needed to release the fixing of the sliding block 21, the magnet 31 is moved by pulling the pull rod 32 to separate from the adsorption of the metal rod 1, and the spring 33 is compressed at the same time, the pull rod 32 is released when the sliding block 21 moves to a suitable position, and the spring 33 releases the elastic force to make the magnet 31 rebound to be adsorbed on one side of the metal rod 1 to fix the sliding block 21.
[0032] Working principle: through the rotation of the anti-skid ring 210 and then drive the bidirectional screw rod 23 rotation, bidirectional screw rod 23 rotation and then make two nut block 24 close to each other, two nut block 24 in turn will also drive two clamping rod 25 close to each other, and then the two sides of the circuit board into the slot 26 in turn can be clamped to the circuit board, and the same components in the two sliders 21 can be independently controlled adjustment can be adjusted to two ends of different width circuit board, two sliders 21 can also be on the metal rod 1 sliding combination above in turn can be clamped to different length and width of the circuit board, by the magnet 31 adsorbed in the metal rod 1 side in turn the slider 21 is fixed, when need to remove the fixed slider 21, just pull the pull rod 32 drive magnet 31 move to make it separate from the adsorption of the metal rod 1 can, at the same time also will compression spring 33, when the slider 21 moves to the appropriate position can release the pull rod 32, at this time the spring 33 can release the elastic force of the magnet 31 back to make it re-adsorbed to the metal rod 1 side of the slider 21 is fixed.
[0033] It should be noted that in this document, the terms "first", "second", and so on are used merely to distinguish one entity or action from another, and do not necessarily require or imply any actual relationship or order between the entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.
[0034] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A printed wiring board heat conducting insulation test fixture comprising a metal rod (1), characterized in that: The outer wall of the metal rod (1) is provided with a clamping assembly (2); the inside of the clamping assembly (2) is provided with a positioning and fixing assembly (3); the clamping assembly (2) comprises a sliding block (21), the sliding block (21) is slidingly connected to the outer wall of the two metal rods (1), the inside of the sliding block (21) is provided with a groove (22), the inner wall of the groove (22) is rotatably connected with a bidirectional screw rod (23), the outer wall of the bidirectional screw rod (23) is threadedly connected with a nut block (24), one side of the sliding block (21) is provided with a through slot (27), one side of the nut block (24) is fixedly connected with a clamping rod (25), the inside of the clamping rod (25) is provided with a clamping groove (26), the positioning and fixing assembly (3) comprises a magnet (31), the magnet (31) is slidingly connected with the inner wall of the sliding block (21), one side of the magnet (31) is fixedly connected with a pull rod (32), the pull rod (32) penetrates through one side of the sliding block (21) and is movably connected.
2. The test fixture of claim 1, wherein: One end of the outer wall of the bidirectional screw rod (23) is fixedly connected with an anti-skid rotating ring (210).
3. The test fixture of claim 1, wherein: The inside of the sliding block (21) is provided with a limiting groove (28).
4. The test fixture of claim 1, wherein: The two sides of the nut block (24) are fixedly connected with protruding blocks (29), the protruding blocks (29) are slidingly connected with the inner wall of the limiting groove (28).
5. The test fixture of claim 1, wherein: One side of the magnet (31) is fixedly connected with a spring (33), one end of the spring (33) is fixedly connected with one side of the inner wall of the sliding block (21).