Circuit board convenient for positioning and welding components

Abstract

The utility model discloses a circuit board convenient for positioning and welding components, which comprises a fixing plate, one end of the fixing plate is movably connected with a circuit board body, the center line of the circuit board body and the center line of the fixing plate are on the same vertical plane, and one end of the fixing plate is provided with a positioning plate. According to the circuit board convenient for positioning and welding the component, the positioning plate is arranged, the positioning plate is arranged at one end of the circuit board body before welding, an arc-shaped groove is attached to the outer portion of a positioning angle seat so that the positioning plate can be positioned, then a positioning pressing plate is rotated so that the positioning pressing plate can be clamped with a groove, and a rotary knob is rotated to drive a threaded column to rotate through a connecting rod; when the threaded column is inserted into the threaded hole, the positioning pressing plate is driven to press one end of the positioning plate to position the positioning plate, then a component needing to be welded is placed in the positioning hole formed in one end of the positioning plate, the component can be positioned through the positioning hole so that welding can be facilitated, and the problem that the component cannot be positioned and welded is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, and specifically relates to a circuit board which is convenient for positioning and welding components. Background Technique

[0002] Circuit boards are very important components in various electronic devices. Their substrate materials are divided into many types, and various electronic components are installed on the substrate in a welding form to enable the electronic components to achieve various functions. When the circuit board is processed, various electronic components need to be accurately welded on the substrate in sequence to ensure the normal operation of the circuit board.

[0003] However, there are still some defects in the current circuit boards. During the processing process, it is not convenient to position and weld the electronic components, resulting in high welding difficulty, insufficient welding accuracy, and easy occurrence of component offset, which affects the welding effect and thus the subsequent operation of the circuit board.

[0004] Now, a new type of circuit board that is convenient for positioning and welding components is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a circuit board that is convenient for positioning and welding components, so as to solve the problem of inconvenient positioning and welding of components proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A circuit board that is convenient for positioning and welding components, including a fixing plate, one end of the fixing plate is movably connected with a circuit board body, the center line of the circuit board body and the center line of the fixing plate are in the same vertical plane, a positioning plate is arranged at one end of the fixing plate, and a positioning structure for positioning and welding components is arranged at one end of the fixing plate.

[0007] The positioning structure includes positioning holes. Positioning holes are opened at one end of the positioning plate. Positioning angle seats are fixedly connected to the four corners at one end of the fixing plate. Threaded holes are opened at one end of the positioning angle seats. Threaded columns are movably connected inside the threaded holes. One end of the threaded column is fixedly connected with a connecting rod. One end of the connecting rod is fixedly connected with a knob. A positioning pressure plate is movably connected to the outside of the connecting rod. Arc-shaped grooves are opened at the four corners outside the positioning plate. Arc-shaped plates are fixedly connected to the four corners at one end of the positioning plate. Grooves are opened at one end of the arc-shaped plates.

[0008] Preferably, the positioning pressure plate is movably connected with the groove, and the positioning pressure plate is movably connected with the positioning plate.

[0009] Preferably, the arc-shaped groove is movably connected with the positioning angle seat, and the positioning holes opened at one end of the positioning plate are arranged at equal intervals.

[0010] Preferably, both ends of both sides of one end of the circuit board body are fixedly connected with positioning sleeves. Both ends of both sides of the positioning plate are provided with side grooves. Both ends of both sides of one end of the fixing plate are fixedly connected with positioning columns. Elastic pieces are fixedly connected to both sides of one end of the positioning column. A positioning block is fixedly connected to one end of the elastic piece.

[0011] Preferably, the positioning column is movably connected with the positioning sleeve, and the positioning block is movably connected with the positioning sleeve.

[0012] Preferably, inclined surface grooves are provided on both sides of one end of the fixing plate. A trapezoidal strip plate is movably connected inside the inclined surface grooves. A rubber pad is fixedly connected to one end of the trapezoidal strip plate. Limiting inclined plates are fixedly connected to both ends of the trapezoidal strip plate. Chute grooves are provided at both ends inside the inclined surface grooves. Threaded cylinders are fixedly connected to both sides of the fixing plate. A threaded rod is movably connected inside the threaded cylinder. A rotating wheel is fixedly connected to one side of the threaded rod.

[0013] Preferably, the chute grooves are slidably connected with the limiting inclined plates, and the rubber pad is movably connected with the positioning plate.

[0014] Preferably, the threaded cylinder is communicated with the inside of the inclined surface groove, and the threaded rod penetrates through the threaded cylinder and extends to the inside of the inclined surface groove to be movably connected with the trapezoidal strip plate.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The circuit board which is convenient for positioning and welding components not only realizes convenient positioning and welding of components, realizes convenient disassembly and assembly of the circuit board, but also realizes prevention of wear on the circuit board substrate during the welding process;

[0016] (1) By providing a positioning plate, positioning holes, positioning angle seats, knobs, positioning pressure plates, threaded holes, connecting rods, threaded columns, arc grooves, arc plates and grooves, before welding, place the positioning plate at one end of the circuit board body, make the arc groove fit on the outside of the positioning angle seat to position the positioning plate, then rotate the positioning pressure plate to make it engage with the groove, and rotate the knob to drive the threaded column to rotate through the connecting rod. While the threaded column is inserted into the threaded hole, it drives the positioning pressure plate to press on one end of the positioning plate to position it. Then place the components to be welded in the positioning holes provided at one end of the positioning plate. The positioning holes can position the components to facilitate welding, realizing convenient positioning and welding of components;

[0017] (2) By providing a circuit board body, a side groove, a positioning sleeve, a positioning column, a positioning block and a spring sheet, before welding, the circuit board body is placed at one end of the fixed plate, and the circuit board body is pushed to drive the positioning sleeve to be sleeved on the outside of the positioning column. After the spring sheet at one end of the positioning column drives the positioning block to pass through the interior of the positioning sleeve, the spring sheet drives the positioning block to pop out and fit on one end of the positioning sleeve, so that the circuit board body is positioned by the positioning sleeve, and the positioning column fits inside the positioning sleeve to effectively prevent the circuit board body from shaking, so that the circuit board can be easily disassembled and assembled;

[0018] (3) By providing the inclined groove, threaded barrel, rotating wheel, threaded rod, rubber pad, trapezoidal strip, sliding groove and limiting inclined plate, when welding, the positioning plate is placed at one end of the circuit board body and fits on one end of the rubber pad. The trapezoidal strip can support the positioning plate through the rubber pad to prevent the positioning plate and the circuit board body from fitting together and causing wear to the circuit board body. The rotating wheel can be rotated to drive the threaded rod to rotate, and the threaded rod can push the trapezoidal strip to move to one side, thereby adjusting the support height. The sliding groove inside the inclined groove can limit the trapezoidal strip through the limiting inclined plate to prevent the trapezoidal strip from shaking, thereby preventing the circuit board body from being worn during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the front cross-sectional structure of the positioning angle seat of the utility model;

[0021] Figure 3 It is a schematic diagram of an enlarged bottom-view cross-section structure of the positioning angle seat of the utility model;

[0022] Figure 4 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 5 It is a schematic diagram of an enlarged bottom-view cross-section structure of the inclined surface groove of the utility model.

[0024] In the figure: 1. fixing plate; 2. positioning plate; 3. positioning hole; 4. positioning angle seat; 5. circuit board body; 6. inclined groove; 7. threaded cylinder; 8. side groove; 9. knob; 10. positioning pressure plate; 11. positioning sleeve; 12. rotating wheel; 13. threaded rod; 14. positioning column; 15. threaded hole; 16. positioning block; 17. rubber pad; 18. trapezoidal strip; 19. connecting rod; 20. threaded column; 21. spring; 22. arc groove; 23. arc plate; 24. groove; 25. slide groove; 26. limiting inclined plate. DETAILED DESCRIPTION

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0026] Embodiment 1: Please refer to Figures 1-5 , a circuit board that is convenient for positioning and welding components, including a fixing plate 1. One end of the fixing plate 1 is movably connected to a circuit board body 5. The center line of the circuit board body 5 and the center line of the fixing plate 1 are in the same vertical plane. A positioning plate 2 is provided at one end of the fixing plate 1, and a positioning structure for positioning and welding components is provided at one end of the fixing plate 1;

[0027] The positioning structure includes positioning holes 3. One end of the positioning plate 2 is provided with positioning holes 3. Four corners at one end of the fixing plate 1 are fixedly connected with positioning angle seats 4. One end of the positioning angle seat 4 is provided with a threaded hole 15. A threaded column 20 is movably connected inside the threaded hole 15. One end of the threaded column 20 is fixedly connected with a connecting rod 19. One end of the connecting rod 19 is fixedly connected with a knob 9. The outside of the connecting rod 19 is movably connected with a positioning pressing plate 10. Arc-shaped grooves 22 are provided at four corners outside the positioning plate 2. Four corners at one end of the positioning plate 2 are fixedly connected with arc-shaped plates 23. One end of the arc-shaped plate 23 is provided with a groove 24;

[0028] The positioning pressing plate 10 is movably connected with the groove 24, and the positioning pressing plate 10 is movably connected with the positioning plate 2;

[0029] The arc-shaped groove 22 is movably connected with the positioning angle seat 4. The positioning holes 3 provided at one end of the positioning plate 2 are arranged at equal intervals;

[0030] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , before welding, place the positioning plate 2 at one end of the circuit board body 5, so that the arc-shaped groove 22 fits outside the positioning angle seat 4 to position the positioning plate 2. Then rotate the positioning pressing plate 10 to make it engage with the groove 24, and rotate the knob 9 to drive the threaded column 20 to rotate through the connecting rod 19. While the threaded column 20 is inserted into the threaded hole 15, it drives the positioning pressing plate 10 to press on one end of the positioning plate 2 to position it. Then place the components to be welded inside the positioning holes 3 provided at one end of the positioning plate 2. The positioning holes 3 can position the components to facilitate welding, realizing convenient positioning and welding of the components.

[0031] Embodiment 2: Positioning sleeves 11 are fixedly connected to both ends on both sides of one end of the circuit board body 5. Side grooves 8 are provided at both ends on both sides of the positioning plate 2. Positioning columns 14 are fixedly connected to both ends on both sides of one end of the fixing plate 1. Elastic pieces 21 are fixedly connected to both sides of one end of the positioning column 14. A positioning block 16 is fixedly connected to one end of the elastic piece 21;

[0032] The positioning column 14 is movably connected to the positioning sleeve 11, and the positioning block 16 is movably connected to the positioning sleeve 11;

[0033] Specifically, as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, before welding, place the circuit board body 5 at one end of the fixing plate 1, and push the circuit board body 5 to drive the positioning sleeve 11 to sleeve outside the positioning column 14. After the elastic piece 21 at one end of the positioning column 14 drives the positioning block 16 to pass through the inside of the positioning sleeve 11, the elastic piece 21 drives the positioning block 16 to pop out and fit against one end of the positioning sleeve 11, thereby positioning the circuit board body 5 through the positioning sleeve 11, and the positioning column 14 fitting inside the positioning sleeve 11 can effectively prevent the circuit board body 5 from shaking, realizing convenient disassembly and assembly of the circuit board.

[0034] Embodiment 3: Inclined plane grooves 6 are provided at both sides of one end of the fixing plate 1. A trapezoidal strip plate 18 is movably connected inside the inclined plane groove 6. A rubber pad 17 is fixedly connected to one end of the trapezoidal strip plate 18. Limiting inclined plates 26 are fixedly connected to both ends of the trapezoidal strip plate 18. Chute grooves 25 are provided at both ends inside the inclined plane groove 6. Threaded cylinders 7 are fixedly connected to both sides of the fixing plate 1. A threaded rod 13 is movably connected inside the threaded cylinder 7. A rotating wheel 12 is fixedly connected to one side of the threaded rod 13;

[0035] The chute groove 25 is slidably connected to the limiting inclined plate 26, and the rubber pad 17 is movably connected to the positioning plate 2;

[0036] The threaded cylinder 7 is connected to the inside of the inclined plane groove 6 in communication. The threaded rod 13 penetrates through the threaded cylinder 7 and extends to the inside of the inclined plane groove 6 and is movably connected to the trapezoidal strip plate 18;

[0037] Specifically, as Figure 1 、 Figure 2 and Figure 5As shown in the figure, when welding, place the positioning plate 2 at one end of the circuit board body 5 and fit it against one end of the rubber pad 17. The trapezoidal strip plate 18 can support the positioning plate 2 through the rubber pad 17, preventing the positioning plate 2 from rubbing against the circuit board body 5 when they are in contact. Also, the rotating wheel 12 can be rotated to drive the threaded rod 13 to rotate, and the threaded rod 13 can push the trapezoidal strip plate 18 to move to one side, thereby adjusting the support height. The chute 25 inside the inclined surface groove 6 can limit the trapezoidal strip plate 18 through the limiting inclined plate 26 to prevent the trapezoidal strip plate 18 from shaking, achieving the prevention of wear on the circuit board body 5 during welding.

[0038] Working principle: When the present utility model is in use, before welding, place the circuit board body 5 at one end of the fixed plate 1, and push the circuit board body 5 to drive the positioning sleeve 11 to sleeved outside the positioning post 14. After the elastic piece 21 at one end of the positioning post 14 drives the positioning block 16 to pass through the inside of the positioning sleeve 11, the elastic piece 21 drives the positioning block 16 to pop out and fit against one end of the positioning sleeve 11, thereby positioning the circuit board body 5 through the positioning sleeve 11. And the positioning post 14 fitting inside the positioning sleeve 11 can effectively prevent the circuit board body 5 from shaking. Then place the positioning plate 2 at one end of the circuit board body 5, and the arc-shaped groove 22 fitting against the outside of the positioning angle seat 4 can position the positioning plate 2. Then rotate the positioning pressing plate 10 to engage it with the groove 24, and rotate the knob 9 to drive the threaded column 20 to rotate through the connecting rod 19. While the threaded column 20 is inserted into the threaded hole 15, it drives the positioning pressing plate 10 to press against one end of the positioning plate 2 to position it. Then place the components to be welded in the positioning holes 3 opened at one end of the positioning plate 2. The positioning holes 3 can position the components for convenient welding. When welding, place the positioning plate 2 at one end of the circuit board body 5 and fit it against one end of the rubber pad 17. The trapezoidal strip plate 18 can support the positioning plate 2 through the rubber pad 17, preventing the positioning plate 2 from rubbing against the circuit board body 5 when they are in contact. Also, the rotating wheel 12 can be rotated to drive the threaded rod 13 to rotate, and the threaded rod 13 can push the trapezoidal strip plate 18 to move to one side, thereby adjusting the support height. The chute 25 inside the inclined surface groove 6 can limit the trapezoidal strip plate 18 through the limiting inclined plate 26 to prevent the trapezoidal strip plate 18 from shaking.

Claims

1. A circuit board for facilitating positioning and welding of components, comprising a fixing plate (1), characterized in that: One end of the fixing plate (1) is movably connected to a circuit board body (5), the center line of the circuit board body (5) and the center line of the fixing plate (1) are on the same vertical plane, one end of the fixing plate (1) is provided with a positioning plate (2), and one end of the fixing plate (1) is provided with a positioning structure for positioning and welding components; The positioning structure comprises a positioning hole (3), one end of the positioning plate (2) is provided with a positioning hole (3), four corners of one end of the fixing plate (1) are fixedly connected with a positioning angle seat (4), one end of the positioning angle seat (4) is provided with a threaded hole (15), the inside of the threaded hole (15) is movably connected with a threaded column (20), one end of the threaded column (20) is fixedly connected with a connecting rod (19), one end of the connecting rod (19) is fixedly connected with a knob (9), the outside of the connecting rod (19) is movably connected with a positioning pressure plate (10), four corners of the outside of the positioning plate (2) are provided with arc grooves (22), four corners of one end of the positioning plate (2) are fixedly connected with an arc plate (23), and one end of the arc plate (23) is provided with a groove (24).

2. A circuit board for facilitating positioning and welding of components according to claim 1, characterized in that: The positioning pressure plate (10) is movably connected to the groove (24), and the positioning pressure plate (10) is movably connected to the positioning plate (2).

3. A circuit board for facilitating positioning and welding of components according to claim 1, characterized in that: The arc-shaped groove (22) is movably connected to the positioning angle seat (4), and the positioning holes (3) opened at one end of the positioning plate (2) are arranged at equal intervals.

4. A circuit board for facilitating positioning and welding of components according to claim 1, characterized in that: The two ends of one end of the circuit board body (5) are fixedly connected with positioning sleeves (11), the two ends of the positioning plate (2) are provided with side grooves (8), the two ends of one end of the fixing plate (1) are fixedly connected with positioning columns (14), the two ends of one end of the positioning column (14) are fixedly connected with spring sheets (21), and one end of the spring sheet (21) is fixedly connected with a positioning block (16).

5. A circuit board for facilitating positioning and welding of components according to claim 4, characterized in that: The positioning column (14) is movably connected to the positioning sleeve (11), and the positioning block (16) is movably connected to the positioning sleeve (11).

6. A circuit board for facilitating positioning and welding of components according to claim 1, characterized in that: The fixing plate (1) has inclined grooves (6) on both sides of one end, the inclined groove (6) is movably connected to a trapezoidal strip (18) inside, one end of the trapezoidal strip (18) is fixedly connected to a rubber pad (17), both ends of the trapezoidal strip (18) are fixedly connected to a limited inclined plate (26), both ends of the inclined groove (6) are provided with sliding grooves (25), the fixing plate (1) has threaded cylinders (7) on both sides fixedly connected, the threaded cylinder (7) is movably connected to a threaded rod (13) inside, and one side of the threaded rod (13) is fixedly connected to a rotating wheel (12).

7. A circuit board for facilitating positioning and welding of components according to claim 6, characterized in that: The slide groove (25) is slidably connected to the limiting inclined plate (26), and the rubber pad (17) is movably connected to the positioning plate (2).

8. A circuit board for facilitating positioning and welding of components according to claim 6, characterized in that: The threaded barrel (7) is connected to the interior of the inclined groove (6), and the threaded rod (13) penetrates the threaded barrel (7) and extends to the interior of the inclined groove (6) to be movably connected to the trapezoidal strip plate (18).

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