PCB convenient to weld

Abstract

The utility model provides a PCB convenient for welding, which relates to the technical field of PCBs, and comprises a conical welding groove, a welding operation piece is arranged on one side of the conical welding groove, two ends of the welding operation piece are rotatably connected with sliding blocks, the middle part of the welding operation piece is fixedly connected with a push piece, and the push piece is fixedly connected with the conical welding groove. And a clamping hook fixedly connected with the PCB main body is arranged on one side of the welding operation sheet. Compared with the prior art, the PCB has the advantages that the groove structure with the conical opening is arranged at one end of the PCB, the conical groove structure is used for containing welding fluid during welding, the slicking structure capable of being movably adjusted is arranged at one end of the PCB, and the slicking structure is used for cleaning the welding fluid outside the conical groove, so that the welding fluid can be conveniently cleaned, and the welding efficiency is improved. The conical groove is formed in the end face of the PCB, so that welding fluid for welding is condensed in the conical groove and forms a plane structure with the end face of the PCB, the influence on the flatness of the end face of the PCB can be reduced while welding and fixing are performed, and the stability and convenience of welding and fixing of the PCB are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB boards, in particular to a PCB board which is convenient for welding. Background Art

[0002] PCB, also known as printed circuit board, is the provider of electrical connections for electronic components. It has a history of more than 100 years; its design is mainly layout design; the main advantage of using circuit boards is that they greatly reduce wiring and assembly errors, improve the level of automation and production labor rate; according to the number of layers of the circuit board, it can be divided into single-sided board, double-sided board, four-layer board, six-layer board and other multi-layer boards.

[0003] CN202121133254.2 introduces a PCB board that is easy to weld. As the depth of the welding point becomes deeper, once welded, the components are not easy to be desoldered. At the same time, a cooling fan is set at the bottom to improve the heat dissipation effect. It is also convenient to install the PCB board. It only needs to fix the positioning bracket, and there is no need to directly punch the screw holes on the PCB board to damage the board. However, during the welding process of this PCB board, the excess solder at the soldering point is easy to condense at the soldering point to form a protruding contact, which affects the flatness of the installation end surface of the PCB board and is not conducive to the installation of the PCB board. Utility Model Content

[0004] Therefore, the purpose of the present invention is to provide a PCB board that is convenient for welding, so as to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a PCB board that is convenient for welding, including a PCB board body, a plurality of welding holes are opened inside the PCB board body, a conical welding groove is opened at one end of the welding hole, a welding operation piece is arranged on one side of the conical welding groove, sliding blocks are rotatably connected to the two ends of the welding operation piece, an anti-slip sleeve is fixedly installed on the surface of the sliding block, a push piece is fixedly connected to the middle part of the welding operation piece, and a hook fixedly connected to the PCB board body is arranged on one side of the welding operation piece.

[0006] Preferably, any of the above schemes is that the conical welding groove is formed at one end of the PCB board body, the welding hole and the conical welding groove are connected, and sliding grooves adapted to the sliding block are formed at both ends of the PCB board body.

[0007] The above technical solution is adopted: the pins of the components are inserted through the welding holes into the interior of the conical welding grooves, and solder liquid is dripped into the interior of the conical welding grooves, so that the solder liquid solidifies inside the conical welding grooves to fix the pins of the components, thereby realizing the installation of the components.

[0008] Preferably, any of the above schemes is that the welding operation piece is configured as a U-shaped structure, two ends of the welding operation piece are provided with rotating shafts, and one end of the middle portion of the welding operation piece is provided with a clamping groove.

[0009] The above technical solution is adopted: the welding operation piece is rotated by the rotating shaft to facilitate adjusting the position of the welding operation piece, and the position of the welding operation piece is limited and fixed by the clamping groove to facilitate fixing the welding operation piece.

[0010] Preferably, any of the above schemes is that the sliding block is movably connected to the inside of the sliding groove, and a rotating connecting groove adapted to the rotating shaft is provided inside the sliding block.

[0011] The above technical solution is adopted: the sliding block is moved inside the sliding groove, and the sliding block is used to drive the welding operation piece to slide, so as to adjust the position of the welding operation piece, and the rotating shaft is conveniently rotated through the connecting groove, which is conducive to the rotation adjustment of the welding operation piece.

[0012] Preferably, any of the above schemes is that the anti-slip sleeve is located inside the sliding groove, and the anti-slip sleeve is located on one side of the rotating connecting groove.

[0013] By adopting the above technical solution, the sliding block and the sliding groove are fixed against slip by the anti-slip sleeve, thereby improving the stability of the sliding block movement and facilitating the positioning of the sliding block.

[0014] Preferably, any of the above schemes has a size of the push piece that is smaller than a size of the welding operation piece, and one end of the push piece is in contact with an end surface of the PCB board body.

[0015] The above technical solution is adopted: the movement of the welding operation piece drives the movement of the push piece, and the push piece is used to scrape the welding liquid outside the conical welding groove to prevent the welding liquid from condensing to form a contact point.

[0016] Preferably, from any of the above schemes, the hook comprises a fixed block, a connecting spring and a clamping block, the fixed block is fixedly installed on one end of the PCB board body, a connecting spring is fixedly installed inside the fixed block, and a clamping block movably connected to the fixed block is fixedly installed on one end of the connecting spring.

[0017] The above technical solution is adopted: the connecting spring is used to elastically support the clamping block, so that the clamping block and the fixing block form an L-shaped structure and the clamping groove is engaged with each other to support and fix the welding operation piece, thereby improving the stability of the welding operation piece.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] 1. A conical opening groove structure is provided at one end of the PCB board, and the conical groove structure is used to contain the soldering liquid during welding. A scraping structure that can be adjusted movably is provided at one end of the PCB board, and the soldering liquid outside the conical groove is cleaned by the scraping structure, so that the soldering liquid condenses inside the conical groove and forms a plane structure with the end face of the PCB board. While performing welding and fixing, the impact on the flatness of the end face of the PCB board can be reduced, and the stability and convenience of welding and fixing of the PCB board can be improved.

[0020] 2. A clamping structure capable of elastic deformation is provided at one end of the PCB board, and the scraping structure is clamped and fixed by the clamping structure, thereby improving the convenience of using the scraping structure.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a structural schematic diagram according to an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of an explosive fracture structure according to an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the cross-sectional structure of a welding operation piece according to an embodiment of the utility model;

[0026] Figure 4 It is a schematic diagram of the cross-sectional structure of the hook according to an embodiment of the utility model;

[0027] Figure 5 According to the embodiment of the utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0028] Among them: 1-PCB board body, 2-welding hole, 3-conical welding groove, 4-welding operation piece, 5-sliding block, 6-anti-slip sleeve, 7-push piece, 8-hook, 81-fixing block, 82-connecting spring, 83-clamping block, 9-slide groove, 10-rotating shaft, 11-clamping groove, 12-rotating connecting groove. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0030] like Figure 1-5As shown, a PCB board convenient for welding in an embodiment of the utility model comprises a PCB board body 1, a plurality of welding holes 2 are opened inside the PCB board body 1, a conical welding groove 3 is opened at one end of the welding hole 2, a welding operation piece 4 is arranged on one side of the conical welding groove 3, sliding blocks 5 are rotatably connected to both ends of the welding operation piece 4, an anti-slip sleeve 6 is fixedly installed on the surface of the sliding block 5, a push piece 7 is fixedly connected to the middle part of the welding operation piece 4, and a hook 8 fixedly connected to the PCB board body 1 is arranged on one side of the welding operation piece 4.

[0031] Preferably, any of the above schemes has the conical welding groove 3 formed at one end of the PCB body 1, the welding hole 2 and the conical welding groove 3 are connected, and sliding grooves 9 adapted to the sliding block 5 are formed at both ends of the PCB body 1.

[0032] The above technical solution is adopted: the pins of the components are inserted through the welding holes 2 into the conical welding grooves 3, and solder liquid is dripped into the conical welding grooves 3, so that the solder liquid solidifies inside the conical welding grooves 3 to fix the pins of the components, thereby realizing the installation of the components.

[0033] Preferably, any of the above solutions is that the welding operation piece 4 is configured as a U-shaped structure, the two ends of the welding operation piece 4 are provided with a rotating shaft 10, and one end of the middle portion of the welding operation piece 4 is provided with a clamping groove 11.

[0034] The above technical solution is adopted: the welding operation piece 4 is rotated by the rotating shaft 10 to facilitate adjusting the position of the welding operation piece 4, and the position of the welding operation piece 4 is limited and fixed by the clamping groove 11 to facilitate fixing the welding operation piece 4.

[0035] Preferably, any of the above solutions is that the sliding block 5 is movably connected to the inside of the sliding groove 9 , and a rotating connecting groove 12 adapted to the rotating shaft 10 is provided inside the sliding block 5 .

[0036] The above technical solution is adopted: the sliding block 5 is moved inside the sliding groove 9, and the sliding block 5 is used to drive the welding operation piece 4 to slide, so as to adjust the position of the welding operation piece 4, and the rotating shaft 10 is convenient to rotate through the connecting groove 12, which is conducive to the rotation adjustment of the welding operation piece 4.

[0037] Preferably, according to any of the above solutions, the anti-slip sleeve 6 is located inside the sliding groove 9 , and the anti-slip sleeve 6 is located on one side of the rotating connecting groove 12 .

[0038] The above technical solution is adopted: the anti-skid sleeve 6 is used to fix the sliding block 5 and the sliding groove 9 in an anti-skid manner, thereby improving the stability of the sliding block 5 and facilitating the positioning of the sliding block 5.

[0039] Preferably, any of the above solutions has a size of the push piece 7 that is smaller than a size of the welding operation piece 4 , and one end of the push piece 7 is in contact with an end surface of the PCB body 1 .

[0040] The above technical solution is adopted: the movement of the welding operation piece 4 drives the push piece 7 to move, and the push piece 7 is used to scrape the welding liquid outside the conical welding groove 3 to prevent the welding liquid from condensing to form a contact point.

[0041] Preferably, from any of the above schemes, the hook 8 includes a fixed block 81, a connecting spring 82 and a clamping block 83, the fixed block 81 is fixedly installed at one end of the PCB board body 1, the connecting spring 82 is fixedly installed inside the fixed block 81, and one end of the connecting spring 82 is fixedly installed with a clamping block 83 movably connected to the fixed block 81.

[0042] The above technical solution is adopted: the connecting spring 82 is used to elastically support the clamping block 83, so that the clamping block 83 and the fixing block 81 form an L-shaped structure and engage with the clamping groove 11 to support and fix the welding operation piece 4, thereby improving the stability of the welding operation piece 4.

[0043] The utility model provides a PCB board that is convenient for welding, and its working principle is as follows:

[0044] Insert the pin of the component through the welding hole 2 into the interior of the conical welding groove 3, rotate the welding operation piece 4 and push the welding operation piece 4 to drive the push piece 7 to move, use the push piece 7 to scrape and clean the welding liquid outside the conical welding groove 3, and rotate the welding operation piece 4 after use to engage it with the hook 8.

[0045] Compared with the prior art, the present invention has the following beneficial effects:

[0046] 1. A conical opening groove structure is provided at one end of the PCB board, and the conical groove structure is used to contain the soldering liquid during welding. A scraping structure that can be adjusted movably is provided at one end of the PCB board, and the soldering liquid outside the conical groove is cleaned by the scraping structure, so that the soldering liquid condenses inside the conical groove and forms a plane structure with the end face of the PCB board. While performing welding and fixing, the impact on the flatness of the end face of the PCB board can be reduced, and the stability and convenience of welding and fixing of the PCB board can be improved.

[0047] 2. A clamping structure capable of elastic deformation is provided at one end of the PCB board, and the scraping structure is clamped and fixed by the clamping structure, thereby improving the convenience of using the scraping structure.

Claims

1. A PCB board convenient for welding, comprising a PCB board body (1), wherein a plurality of welding holes (2) are provided inside the PCB board body (1), and characterized in that: A conical welding groove (3) is formed at one end of the welding hole (2); a welding operation sheet (4) is provided on one side of the conical welding groove (3); sliding blocks (5) are rotatably connected to both ends of the welding operation sheet (4); an anti-slip sleeve (6) is fixedly mounted on the surface of the sliding block (5); a push sheet (7) is fixedly connected to the middle of the welding operation sheet (4); and a hook (8) fixedly connected to the PCB board body (1) is provided on one side of the welding operation sheet (4).

2. A PCB board convenient for soldering as claimed in claim 1, characterized in that: The conical welding groove (3) is formed at one end of the PCB body (1), the welding hole (2) and the conical welding groove (3) are connected, and sliding grooves (9) adapted to the sliding block (5) are formed at both ends of the PCB body (1).

3. A PCB board convenient for soldering as claimed in claim 2, characterized in that: The welding operation piece (4) is configured as a U-shaped structure, two ends of the welding operation piece (4) are provided with rotating shafts (10), and one end of the middle portion of the welding operation piece (4) is provided with a clamping groove (11).

4. A PCB board convenient for soldering as claimed in claim 3, characterized in that: The sliding block (5) is movably connected to the inside of the sliding groove (9), and a rotating connection groove (12) adapted to the rotating shaft (10) is provided inside the sliding block (5).

5. A PCB board convenient for soldering as claimed in claim 4, characterized in that: The anti-slip sleeve (6) is located inside the slide groove (9), and the anti-slip sleeve (6) is located on one side of the rotating connection groove (12).

6. A PCB board convenient for soldering as claimed in claim 5, characterized in that: The size of the push piece (7) is smaller than the size of the welding operation piece (4), and one end of the push piece (7) is in contact with the end surface of the PCB board body (1).

7. A PCB board convenient for soldering as claimed in claim 6, characterized in that: The hook (8) comprises a fixing block (81), a connecting spring (82) and a clamping block (83); the fixing block (81) is fixedly mounted on one end of the PCB board body (1); a connecting spring (82) is fixedly mounted inside the fixing block (81); and a clamping block (83) movably connected to the fixing block (81) is fixedly mounted on one end of the connecting spring (82).

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