Bracket for PCB (Printed Circuit Board) welding

Abstract

The utility model belongs to the technical field of welding supports, and particularly relates to a PCB welding support which comprises a base, a sliding block is connected in the base in a sliding mode, a connecting block is fixedly connected to the upper end of the sliding block, the connecting block is connected with the base in a sliding mode, a support is fixedly connected to the upper end of the connecting block, and the support makes contact with the base. A connecting base is fixedly connected to the upper end of the support, a connecting frame is slidably connected to the outer side of the connecting base, and a fixing rod is fixedly connected to the interior of the connecting frame. According to the PCB welding support, the sliding block, the threaded rod and other components are arranged, the threaded rod and the sliding block can make threaded motion by rotating the threaded rod, so that the sliding block drives the two connecting bases to move, the distance between the two connecting frames can be adjusted, and the problems that when the PCB welding support is used, two clamps are inconvenient to adjust, and the welding efficiency is high are solved. And the use is not convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of welding brackets, in particular to a bracket for welding a PCB circuit board. Background Art

[0002] PCB is a substrate that connects electronic components together through wires, pads, solder joints, etc. PCB is one of the most common components in electronic devices, which provides the function of connecting, supporting and organizing electronic components. PCB is made of a non-conductive base material (usually glass fiber reinforced epoxy resin), covered with a conductive layer (copper foil) and a surface protection layer (usually solder paste or coating). The bracket for PCB welding is a device used to fix and support the circuit board so as to keep the circuit board stable and in the correct position during the soldering process. This helps to ensure the quality and precision of the soldering connection.

[0003] However, the bracket welded on the PCB circuit board is not convenient for adjusting the two clamps during use, and is not convenient during use. Utility Model Content

[0004] The utility model aims to provide a bracket for welding a PCB circuit board, which solves the problem that the bracket for welding a PCB circuit board is inconvenient to adjust two clamps during use and is not convenient during use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a bracket for welding a PCB circuit board, comprising a base, a slider is slidably connected inside the base, a connecting block is fixedly connected to the upper end of the slider, the connecting block is slidably connected to the base, the upper end of the connecting block is fixedly connected to the bracket, the bracket contacts the base, the upper end of the bracket is fixedly connected to a connecting seat, the outer side of the connecting seat is slidably connected to a connecting frame, the inner part of the connecting frame is fixedly connected to a fixing rod, the outer side of the connecting seat is fixedly connected to a fixing block, a first spring is arranged on the outer side of the fixing rod, a threaded rod is connected to the inner part of the base via a bearing, a knob is fixedly connected to the end of the threaded rod away from the base, the knob is rotatably connected to the base, and a limiting mechanism is arranged on the base.

[0006] Preferably, the fixing block is slidably connected to the connecting frame, and the fixing block is slidably connected to the fixing rod. The design of the fixing block can guide the connecting frame.

[0007] Preferably, one end of the first spring contacts the fixing block, and the other end of the first spring contacts the connecting frame. The design of the first spring can drive the connecting frame to clamp the PCB circuit board.

[0008] Preferably, the outer side of the threaded rod is provided with positive and negative threads, and the threaded rod is connected to the slider via threads. Through the design of the threaded rod, two sliders can be driven to move simultaneously.

[0009] Preferably, the limiting mechanism includes a pull plate, one end of the pull plate close to the base is fixedly connected to a clamping rod, a clamping slot is provided on the knob, a side of the pull plate close to the base is fixedly connected to a sliding rod, the sliding rod is slidably connected to the base, the inside of the base is fixedly connected to a limiting ring, a second spring is provided on the outside of the sliding rod, one end of the second spring contacts the sliding rod, and the other end of the second spring contacts the limiting ring, and the pull plate is moved in a direction away from the knob so that the pull plate drives the sliding rod to move, the sliding rod slides in the limiting ring, the sliding rod squeezes the second spring, and the pull plate drives the clamping rod to move, so that the clamping rod slides out of the clamping slot on the knob, thereby releasing the limit on the knob.

[0010] Preferably, a clamping rod is slidably connected inside the base, and a clamping rod is slidably connected inside the clamping slot. The design of the clamping rod can limit the knob.

[0011] Preferably, the limiting ring is in contact with the pull plate, and the limiting ring is slidably connected to the slide rod. The limiting ring can play a limiting role on the slide rod through the design of the limiting ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model is provided with components such as a slider and a threaded rod. The threaded rod and the slider can be threadedly moved by rotating the threaded rod, so that the slider drives the two connecting seats to move, so that the distance between the two connecting frames can be adjusted, which solves the problem that it is inconvenient to adjust the two clamps when using the bracket for welding the PCB circuit board, and it is not convenient to use.

[0014] 2. The utility model is provided with components such as a pull plate, a clamping rod, and a spring, and the clamping rod can be driven to move by the elastic force of the spring, so that the clamping rod slides into the clamping groove on the knob, thereby limiting the knob, and the two connecting frames can remain stable after the position is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 A three-dimensional diagram of the local structure;

[0017] Figure 3 For the utility model Figure 1 A front cross-sectional view of a local structure;

[0018] Figure 4 For the utility model Figure 2 A partial structure enlarged front view and cross-sectional view;

[0019] Figure 5 For the utility model Figure 2 A magnified view of the structure of section A.

[0020] In the figure: 1. base; 11. slider; 12. connecting block; 13. bracket; 14. connecting seat; 15. connecting frame; 16. fixing rod; 17. fixing block; 18. first spring; 2. threaded rod; 21. knob; 3. limiting mechanism; 31. pull plate; 32. clamping rod; 33. clamping groove; 34. sliding rod; 35. limiting ring; 36. second spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 A bracket for welding a PCB circuit board comprises a base 1, a slider 11 is slidably connected inside the base 1, a connecting block 12 is fixedly connected to the upper end of the slider 11, the connecting block 12 is slidably connected to the base 1, a bracket 13 is fixedly connected to the upper end of the connecting block 12, the bracket 13 contacts the base 1, a connecting seat 14 is fixedly connected to the upper end of the bracket 13, a connecting frame 15 is slidably connected to the outer side of the connecting seat 14, a fixing rod 16 is fixedly connected to the inside of the connecting frame 15, and a fixing block 17 is fixedly connected to the outer side of the connecting seat 14.

[0023] See also Figure 2-5 The fixed block 17 is slidably connected to the connecting frame 15, and the fixed block 17 is slidably connected to the fixed rod 16. Through the design of the fixed block 17, the connecting frame 15 can be guided. A first spring 18 is arranged on the outer side of the fixing rod 16, and one end of the first spring 18 contacts the fixed block 17, and the other end of the first spring 18 contacts the connecting frame 15. Through the design of the first spring 18, the connecting frame 15 can be driven to clamp the PCB circuit board. The inside of the base 1 is connected with a threaded rod 2 through a bearing, and the outer side of the threaded rod 2 is provided with positive and negative threads. The threaded rod 2 is connected to the slider 11 through a threaded connection. Through the design of the threaded rod 2, the two sliders 11 can be driven to move at the same time. A knob 21 is fixedly connected to the end of the threaded rod 2 away from the base 1, and the knob 21 is rotatably connected to the base 1. A limiting mechanism 3 is arranged on the base 1.

[0024] See also Figure 2-5 The limiting mechanism 3 includes a pull plate 31, and a clamping rod 32 is fixedly connected to one end of the pull plate 31 close to the base 1. A clamping groove 33 is provided on the knob 21. The base 1 is internally slidably connected to the clamping rod 32, and the clamping groove 33 is internally slidably connected to the clamping rod 32. The design of the clamping rod 32 can limit the knob 21. A sliding rod 34 is fixedly connected to one side of the pull plate 31 close to the base 1. The sliding rod 34 is slidably connected to the base 1. A limiting ring 35 is fixedly connected to the inside of the base 1. The limiting ring 35 contacts the pull plate 31, and the limiting ring 35 is slidably connected to the sliding rod 34. The design of the positioning ring 35 can limit the sliding rod 34. A second spring 36 is provided on the outer side of the sliding rod 34. One end of the second spring 36 contacts the sliding rod 34, and the other end of the second spring 36 contacts the limiting ring 35. By moving the pull plate 31 in the direction away from the knob 21, the pull plate 31 drives the sliding rod 34 to move, and the sliding rod 34 slides in the limiting ring 35, so that the sliding rod 34 squeezes the second spring 36, and the pull plate 31 drives the clamping rod 32 to move, so that the clamping rod 32 slides out of the clamping groove 33 on the knob 21, and the limiting of the knob 21 can be released.

[0025] The specific implementation process of the utility model is as follows: when in use, by moving the pull plate 31 in a direction away from the knob 21, the pull plate 31 drives the slide bar 34 to move, the slide bar 34 slides in the limiting ring 35, the slide bar 34 presses the second spring 36, and the pull plate 31 drives the clamping rod 32 to move, so that the clamping rod 32 slides out of the clamping groove 33 on the knob 21, and the limit of the knob 21 can be released;

[0026] Then, the knob 21 is turned to make the knob 21 drive the threaded rod 2 to rotate, so that the threaded rod 2 and the slider 11 are threadedly moved, so that the slider 11 drives the connecting block 12 to move, the connecting block 12 drives the bracket 13 to move, the bracket 13 drives the connecting seat 14 to move, and the connecting seat 14 drives the connecting frame 15 to move, so that the distance between the two connecting frames 15 can be adjusted;

[0027] By moving the connecting frame 15 away from the connecting seat 14, the connecting frame 15 drives the fixing rod 16 to slide in the fixing block 17, so that the connecting frame 15 presses the first spring 18, and then the PCB circuit board is placed between the connecting seat 14 and the connecting frame 15, and then the connecting frame 15 is released, and the elastic force of the first spring 18 drives the connecting frame 15 to clamp the PCB circuit board, so as to limit the PCB circuit board.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bracket for PCB circuit board welding, comprising a base (1), characterized in that: The base (1) is slidably connected with a slider (11) inside, the upper end of the slider (11) is fixedly connected with a connecting block (12), the connecting block (12) is slidably connected with the base (1), the upper end of the connecting block (12) is fixedly connected with a bracket (13), the bracket (13) is in contact with the base (1), the upper end of the bracket (13) is fixedly connected with a connecting seat (14), the outer side of the connecting seat (14) is slidably connected with a connecting frame (15), the inside of the connecting frame (15) is fixedly connected with a fixing rod (16), the outer side of the connecting seat (14) is fixedly connected with a fixing block (17), the outer side of the fixing rod (16) is provided with a first spring (18), the inside of the base (1) is connected with a threaded rod (2) through a bearing, the end of the threaded rod (2) away from the base (1) is fixedly connected with a knob (21), the knob (21) is rotatably connected with the base (1), and a limiting mechanism (3) is provided on the base (1).

2. A bracket for PCB circuit board welding according to claim 1, characterized in that: The fixing block (17) is slidably connected to the connecting frame (15), and the fixing block (17) is slidably connected to the fixing rod (16).

3. The bracket for PCB circuit board welding according to claim 1, characterized in that: One end of the first spring (18) contacts the fixed block (17), and the other end of the first spring (18) contacts the connecting frame (15).

4. The bracket for PCB circuit board welding according to claim 1, characterized in that: The outer side of the threaded rod (2) is provided with positive and negative threads, and the threaded rod (2) is connected to the slider (11) via threads.

5. The bracket for PCB circuit board welding according to claim 1, characterized in that: The limiting mechanism (3) comprises a pull plate (31), one end of the pull plate (31) close to the base (1) is fixedly connected to a clamping rod (32), a clamping groove (33) is provided on the knob (21), a side of the pull plate (31) close to the base (1) is fixedly connected to a sliding rod (34), the sliding rod (34) is slidably connected to the base (1), a limiting ring (35) is fixedly connected inside the base (1), a second spring (36) is arranged on the outside of the sliding rod (34), one end of the second spring (36) is in contact with the sliding rod (34), and the other end of the second spring (36) is in contact with the limiting ring (35).

6. A bracket for PCB circuit board welding according to claim 5, characterized in that: The base (1) is internally slidably connected to a clamping rod (32), and the clamping slot (33) is internally slidably connected to a clamping rod (32).

7. The bracket for PCB circuit board welding according to claim 5, characterized in that: The limiting ring (35) is in contact with the pull plate (31), and the limiting ring (35) is slidably connected to the slide rod (34).

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