Leveling hold-down piece convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of welding tools, in particular to a conveniently disassembled and assembled leveling hold-down piece which comprises a first plate body and a second plate body detachably connected with the first plate body, the first plate body and the second plate body are oppositely arranged so that an external PCB can be clamped between the first plate body and the second plate body, the first plate body is provided with a screw, and the second plate body is provided with a screw. The second board body is provided with a screw hole connected with a screw, the first board body is provided with a welding hole, and the welding hole is used for accommodating an external welding pin, so that the welding pin is welded on the PCB. The PCB leveling device is compact in structure, reasonable in design and convenient to mount and dismount, the leveling effect and the positioning effect of the PCB are ensured, and the welding efficiency and the welding quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tools, in particular to a convenient disassembly and assembly type leveling and pressing piece. Background Art

[0002] A PCB board, also known as a printed circuit board, is a provider for electrical connection of electronic components. During the process of soldering pins to the PCB board, since the types and sizes of the soldering pins are different, it is necessary to solder them one by one in order from low to high according to the height of the soldering pins. However, the existing leveling tools cannot level and fix the position of the PCB board well, resulting in the displacement of the PCB board inevitably caused by the soldering gun touching the soldering pins during the soldering process of the soldering pins, reducing the leveling effect and positioning effect on the PCB board, thereby affecting the soldering efficiency and soldering quality. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a convenient disassembly and assembly type leveling and pressing piece aiming at the deficiencies of the prior art, with a compact structure and reasonable design, convenient installation and disassembly, ensuring the leveling effect and positioning effect of the PCB board, and improving the soldering efficiency and soldering quality.

[0004] To achieve the above purpose, a convenient disassembly and assembly type leveling and pressing piece of the utility model includes a first plate body and a second plate body detachably connected to the first plate body. The first plate body and the second plate body are arranged oppositely so that an external PCB board is clamped between the first plate body and the second plate body. The first plate body is provided with screws, and the second plate body is provided with screw holes connected to the screws. The first plate body is provided with welding holes for accommodating external soldering pins so that the soldering pins are soldered to the PCB board.

[0005] Preferably, the second plate body includes a base, a first through groove arranged in the middle of the base, second through grooves arranged on the left and right sides of the base, and third through grooves arranged on the upper and lower sides of the base. There are multiple welding holes, and the multiple welding holes are arranged in a rectangular array on the first plate body. The first through groove, the second through grooves, and the third through grooves are all communicated with the multiple welding holes. The second plate body is provided with connecting pieces, and there are multiple connecting pieces arranged at the corners of the second plate body.

[0006] Preferably, positioning columns are arranged between the first through groove and the second through grooves, and there are multiple positioning columns arranged at the corners of the first through groove.

[0007] Preferably, the screw holes are located between the second through grooves and the third through grooves. There are multiple screws and multiple screw holes respectively. The multiple screws are arranged in a rectangular array around the central axis of the first plate body, and the multiple screw holes are arranged in a rectangular array around the central axis of the base.

[0008] Preferably, the second through groove is located on the left and right sides of the first through groove, the third through groove is located on the upper and lower sides of the first through groove, and the second through groove and the third through groove are arranged around the circumference of the first through groove.

[0009] The beneficial effects of the present utility model: The structure is compact and reasonably designed, the installation and disassembly are convenient, the leveling effect and positioning effect of the PCB board are ensured, and the welding efficiency and welding quality are improved. Description of the Drawings

[0010] Figure 1 is a structural schematic diagram of the present utility model.

[0011] Figure 2 is a bottom structural schematic diagram of the present utility model.

[0012] The reference numerals include:

[0013] 1 - the first plate body 11 - screw 12 - welding hole

[0014] 2 - the second plate body 21 - screw hole 22 - base

[0015] 23 - the first through groove 24 - the second through groove 25 - the third through groove

[0016] 26 - connecting member 27 - positioning post. Detailed Embodiment

[0017] The present utility model will be described in detail below with reference to the drawings.

[0018] As Figures 1 to 2 shown, a detachable leveling and pressing member of the present utility model includes a first plate body 1 and a second plate body 2 detachably connected to the first plate body 1. The first plate body 1 and the second plate body 2 are oppositely arranged so that an external PCB board is clamped between the first plate body 1 and the second plate body 2. The first plate body 1 is provided with screws 11, the second plate body 2 is provided with screw holes 21 connected to the screws 11, and the first plate body 1 is provided with welding holes 12 for accommodating external welding pins so that the welding pins are welded to the PCB board.

[0019] During operation, place the PCB board correspondingly between the first plate body 1 and the second plate body 2. Rotate the screw 11 and thread the screw 11 into the screw hole 21 to achieve threaded connection between the first plate body 1 and the second plate body 2. The installation and disassembly are simple and convenient, facilitating the replacement and use of the first plate body 1 and the second plate body 2. Thereby, a suitable clamping force is generated between the first plate body 1 and the second plate body 2. The first plate body 1 and the second plate body 2 respectively abut and press on the upper surface and the lower surface of the PCB board, achieving a good pressing and leveling effect on the PCB board, better clamping and fixing the PCB board between the first plate body 1 and the second plate body 2, effectively improving the leveling effect and positioning effect of the PCB board. With the aid of the conical structure of the welding feet, it is convenient for the welding feet to accurately insert into the welding holes 12. Then, inject an appropriate amount of solder into the welding holes 12 correspondingly to increase the solder retention amount between the welding feet and the PCB board. After the solder solidifies and forms, the welding feet can be welded and fixed to the PCB board. The utility model has a compact structure and reasonable design, convenient installation and disassembly, ensuring the leveling effect and positioning effect of the PCB board, and improving the welding efficiency and welding quality.

[0020] The second plate body 2 of this embodiment includes a base 22, a first through groove 23 provided in the middle of the base 22, second through grooves 24 provided on the left and right sides of the base 22, and third through grooves 25 provided on the upper and lower sides of the base 22. A plurality of welding holes 12 are provided, and the plurality of welding holes 12 are arranged in a rectangular array on the first plate body 1. The first through groove 23, the second through grooves 24, and the third through grooves 25 are all communicated with the plurality of welding holes 12. The second plate body 2 is provided with a plurality of connecting members 26, and the plurality of connecting members 26 are arranged at the corners of the second plate body 2. Specifically, the first through groove 23 provided in the middle of the base 22, the two second through grooves 24 provided on the left and right sides of the base 22, and the two third through grooves 25 provided on the upper and lower sides of the base 22. Therefore, the first through groove 23, the two second through grooves 24, and the two third through grooves 25 are evenly distributed on the base 22. On the one hand, it effectively reduces the overall weight of the second plate body 2 and improves the structural strength of the second plate body 2. On the other hand, the structure is compact and the design is reasonable, with good supporting stability, facilitating the PCB board to be stably placed on the second plate body 2 and not easily generating position skew and offset. Preferably, four connecting members 26 are provided. The connecting members 26 can be connecting columns, connecting rods or connecting shafts. The four connecting members 26 are respectively located at the four corners of the second plate body 2. By using the connecting members 26 to correspondingly insert into the grooves of the external workbench, the position of the second plate body 2 can be fixed.

[0021] A positioning post 27 is arranged between the first through groove 23 and the second through groove 24 of this embodiment. A plurality of positioning posts 27 are provided, and the plurality of positioning posts 27 are arranged at the corners of the first through groove 23. Specifically, as a preference, four positioning posts 27 are provided, and the four positioning posts 27 are respectively arranged at the four corners of the first through groove 23. The four positioning posts 27 are correspondingly abutted and attached to the external workbench, increasing the contact area and further improving the positioning effect of the second plate body 2.

[0022] The screw hole 21 of this embodiment is located between the second through groove 24 and the third through groove 25. A plurality of the screws 11 and the screw holes 21 are provided. The plurality of screws 11 are arranged in a rectangular array around the central axis of the first plate body 1, and the plurality of screw holes 21 are arranged in a rectangular array around the central axis of the base 22. Specifically, as a preference, four screws 11 are provided, and the four screws 11 are arranged in a rectangular array around the central axis of the first plate body 1. Four screw holes 21 are provided, and the four screw holes 21 are arranged in a rectangular array around the central axis of the base 22. By respectively screwing the four screws 11 into the four screw holes 21, the force uniformity is good and the connection is stable and firm.

[0023] The second through groove 24 of this embodiment is located on the left and right sides of the first through groove 23, and the third through groove 25 is located on the upper and lower sides of the first through groove 23. The second through groove 24 and the third through groove 25 are arranged around the circumference of the first through groove 23. Specifically, two second through grooves 24 and two third through grooves 25 are arranged around the circumference of the first through groove 23. The structural layout is reasonable and orderly, the force balance is high, and the structural strength of the second plate body 2 is enhanced.

[0024] The above content is only the preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present invention.

Claims

1. A detachable leveling and holding member, characterized in that: It includes a first plate body and a second plate body detachably connected to the first plate body, the first plate body and the second plate body are arranged opposite to each other so that an external PCB board is clamped between the first plate body and the second plate body, the first plate body is provided with screws, the second plate body is provided with screw holes connected to the screws, and the first plate body is provided with welding holes, which are used to accommodate external welding feet so that the welding feet can be welded on the PCB board.

2. The easily detachable leveling and holding member according to claim 1, characterized in that: The second plate body includes a base, a first through slot arranged in the middle of the base, a second through slot arranged on the left and right sides of the base, and a third through slot arranged on the upper and lower sides of the base. There are multiple welding holes, which are arranged in a rectangular array on the first plate body. The first through slot, the second through slot, and the third through slot are all connected to the multiple welding holes. The second plate body is provided with a connecting piece, and there are multiple connecting pieces, which are arranged at the corners of the second plate body.

3. The easily detachable leveling and holding member according to claim 2, characterized in that: A positioning column is arranged between the first through slot and the second through slot, and a plurality of the positioning columns are arranged at corners of the first through slot.

4. The easily detachable leveling and holding member according to claim 3, characterized in that: The screw hole is located between the second through slot and the third through slot, and a plurality of screws and screw holes are respectively provided. The plurality of screws are arranged in a rectangular array around the central axis of the first plate body, and the plurality of screw holes are arranged in a rectangular array around the central axis of the base.

5. The easily detachable leveling and holding member according to claim 4, characterized in that: The second through slot is located at the left and right sides of the first through slot, and the third through slot is located at the upper and lower sides of the first through slot. The second through slot and the third through slot are arranged around the circumference of the first through slot.

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