Stud assembly suitable for multi-power confluence connection of printed board

Abstract

The invention discloses a double-end stud assembly suitable for multi-power confluence connection of a printed board. The double-end stud assembly comprises the printed board, a double-end copper stud, two copper connector soldering lugs, three flat washers and five nuts. The double-end copper stud is fastened on the printed board through the first nut, and the first flat washer is arranged between the first nut and the printed board; the first copper joint soldering lug is fastened at one end of the double-end copper stud through the second nut and the third nut, and the second flat washer is arranged between the first copper joint soldering lug and the second nut; the second copper connector soldering lug is fastened to the other end of the double-end copper stud through the fourth nut and the fifth nut, and the third flat washer is arranged between the second copper connector soldering lug and the fourth nut. According to the double-end stud assembly, the purpose that currents of multiple wires are transmitted to a printed board from the outside can be achieved, and the problems that the welding difficulty of the multiple wires is high, the space utilization rate is low, and current transmission is difficult are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of internal current collection of aerospace product control units, and in particular relates to a double-headed stud assembly suitable for multi-power busbar connection of a printed circuit board. Background Art

[0002] With the continuous development of aerospace products, the power requirements for products are getting higher and higher, and the power of the wiring inside the products is getting higher and higher. Therefore, the welding requirements for the wire current to the printed circuit board are getting higher and higher, which leads to an increasing space occupied by wire welding, and puts higher requirements on the space utilization and operation process of the product. In order to solve the layout and structural limitations of the product caused by multi-wire welding, which causes the staff to spend too much time when installing the product, it is urgent to design a double-headed stud assembly suitable for multi-power bus connection of printed circuit boards. Summary of the invention

[0003] The technical problem solved by the present invention is as follows: the deficiencies of the prior art are overcome, and a double-headed stud assembly suitable for multi-power bus connection of a printed circuit board is provided, which can realize the purpose of transmitting multi-wire current from the outside to the printed circuit board, and solves the problems of high difficulty in multi-wire welding, low space utilization, and difficult current transmission.

[0004] In order to solve the above technical problems, the present invention discloses a double-headed stud assembly suitable for multi-power bus connection of a printed circuit board, comprising: a printed circuit board, a double-headed copper stud, two copper joint welding pieces, three flat washers and five nuts; wherein the two copper joint welding pieces are respectively: a first copper joint welding piece and a second copper joint welding piece; the three flat washers are respectively: a first flat washer, a second flat washer and a third flat washer; the five nuts are respectively: a first nut, a second nut, a third nut, a fourth nut and a fifth nut; the double-headed copper stud is fastened to the printed circuit board through the first nut, and the first flat washer is arranged between the first nut and the printed circuit board; the first copper joint welding piece is fastened to one end of the double-headed copper stud through the second nut and the third nut, and the second flat washer is arranged between the first copper joint welding piece and the second nut; the second copper joint welding piece is fastened to the other end of the double-headed copper stud through the fourth nut and the fifth nut, and the third flat washer is arranged between the second copper joint welding piece and the fourth nut.

[0005] In the above-mentioned double-headed stud assembly suitable for multi-power bus connection of a printed circuit board, a waist-shaped mounting hole for mounting the double-headed copper stud is arranged at the center of the printed circuit board.

[0006] In the above-mentioned double-headed stud assembly suitable for multi-power bus connection of a printed circuit board, the surface of the waist-shaped mounting hole is gold-plated.

[0007] In the above-mentioned double-headed stud assembly suitable for multi-power bus connection of printed circuit boards, the double-headed copper stud is provided with: a first threaded column, a second threaded column, a guide boss, a limiting boss and a third threaded column in sequence from top to bottom; wherein the guide boss is guided and installed in the waist-shaped mounting hole; the limiting boss is used to perform axial limiting when the guide boss is guided and installed in the waist-shaped mounting hole; the first nut is screwed together with the second threaded column to fasten and clamp the double-headed copper stud and the printed circuit board; the second nut and the third nut are screwed together with the first threaded column to fasten the first copper joint welding piece to one end of the double-headed copper stud; the fourth nut and the fifth nut are screwed together with the third threaded column to fasten the second copper joint welding piece to the other end of the double-headed copper stud.

[0008] In the above-mentioned stud assembly suitable for multi-power busbar connection of printed circuit boards, a first anti-rotation boss is provided on the side of the second threaded column close to the first threaded column; a second anti-rotation boss is provided on the side of the limiting boss close to the first threaded column.

[0009] In the above-mentioned double-headed stud assembly suitable for multi-power bus connection of printed circuit boards, a first circular mounting hole for mounting the double-headed copper stud is arranged at the center of the first copper joint welding piece, and first anti-rotation holes are respectively arranged on both sides of the first circular mounting hole; wherein, the first threaded column passes through the first circular mounting hole and is screwed together with the second nut and the third nut, and the first anti-rotation boss cooperates with the first anti-rotation hole guide to avoid rotation of the first copper joint welding piece during installation, thereby realizing the anti-rotation function.

[0010] In the above-mentioned double-headed stud assembly suitable for multi-power bus connection of a printed circuit board, first wire welding bus grooves are arranged on both sides of the first copper joint welding piece.

[0011] In the above-mentioned double-headed stud assembly suitable for multi-power bus connection of printed circuit boards, a second circular mounting hole for mounting the double-headed copper stud is arranged at the center of the second copper joint welding piece, and second anti-rotation holes are respectively arranged on both sides of the second circular mounting hole; wherein, the third threaded column passes through the second circular mounting hole and is screwed together with the fourth nut and the fifth nut, and the second anti-rotation boss cooperates with the second anti-rotation hole guide to avoid rotation of the second copper joint welding piece during installation, thereby realizing the anti-rotation function.

[0012] In the above-mentioned double-headed stud assembly suitable for multi-power bus connection of a printed circuit board, second wire welding bus grooves are arranged on both sides of the second copper joint welding piece.

[0013] In the above-mentioned double-headed stud assembly suitable for multi-power bus connection of a printed circuit board, the surfaces of the double-headed copper stud, the first copper joint welding piece and the second copper joint welding piece are all gold-plated.

[0014] The present invention has the following advantages:

[0015] The invention discloses a double-headed stud assembly suitable for multi-power bus connection of a printed circuit board, which can realize the purpose of transmitting multi-conductor current from the outside to the printed circuit board, and solves the problems of high difficulty in multi-conductor welding, low space utilization and difficult current transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a stud assembly suitable for multi-power bus connection of a printed circuit board in an embodiment of the present invention;

[0017] Figure 2 It is a three-dimensional view of a stud assembly suitable for multi-power bus connection of a printed circuit board in an embodiment of the present invention;

[0018] Figure 3 It is a structural schematic diagram of a printed circuit board in an embodiment of the present invention;

[0019] Figure 4 It is a schematic structural diagram of a double-headed copper stud in a first direction in an embodiment of the present invention;

[0020] Figure 5 It is a schematic structural diagram of a double-headed copper stud in the second direction in an embodiment of the present invention;

[0021] Figure 6 is a schematic structural diagram of a first copper joint welding piece in an embodiment of the present invention;

[0022] Figure 7 It is a schematic structural diagram of a second copper joint welding piece in an embodiment of the present invention. DETAILED DESCRIPTION

[0023] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments disclosed in the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] Reference Figures 1-2In this embodiment, the stud assembly suitable for multi-power busbar connection of a printed circuit board includes: a printed circuit board 1, a stud copper stud 2, two copper joint welding pieces, three flat washers and five nuts. Among them, the two copper joint welding pieces are respectively: a first copper joint welding piece 3 and a second copper joint welding piece 4; the three flat washers are respectively: a first flat washer 5, a second flat washer 7 and a third flat washer 10; the five nuts are respectively: a first nut 6, a second nut 8, a third nut 9, a fourth nut 11 and a fifth nut 12. The specific connection relationship is as follows: the double-headed copper stud 2 is fastened to the printed circuit board 1 through the first nut 6, and the first flat washer 5 is arranged between the first nut 6 and the printed circuit board 1; the first copper joint welding piece 3 is fastened to one end of the double-headed copper stud 2 through the second nut 8 and the third nut 9, and the second flat washer 7 is arranged between the first copper joint welding piece 3 and the second nut 8; the second copper joint welding piece 4 is fastened to the other end of the double-headed copper stud 2 through the fourth nut 11 and the fifth nut 12, and the third flat washer 10 is arranged between the second copper joint welding piece 4 and the fourth nut 11.

[0025] In this embodiment, if Figure 3 As shown, a waist-shaped mounting hole 101 for mounting a double-headed copper stud 2 is provided at the center of the printed circuit board 1, and the surface of the waist-shaped mounting hole 101 is gold-plated.

[0026] In this embodiment, if Figure 4 and Figure 5 As shown, the double-headed copper stud 2 is provided with: a first threaded column 202, a second threaded column 201, a guide boss 204, a limit boss 206 and a third threaded column 203 from top to bottom. Among them, the guide boss 204 is guided and installed in the waist-shaped mounting hole 101, and the waist-shaped mounting hole 101 cooperates with the guide boss 204. The two have the same shape and are installed in cooperation with each other, which can realize the guiding installation cooperation and anti-rotation function of the double-headed copper stud 2. The limit boss 206 is used to perform axial limitation when the guide boss 24 is guided and installed in the waist-shaped mounting hole 101. The second threaded column 201 is used to cooperate and tighten with the first flat washer 5 and the first nut 6. After the guide boss 204 is guided and installed in the waist-shaped mounting hole 101, the first nut 6 is screwed and tightened with the second threaded column 201, thereby realizing the fastening and clamping of the double-headed copper stud 2 and the printed circuit board 1. The first threaded column 202 is used to cooperate with the second flat washer 7, the second nut 8 and the third nut 9 for fastening. After the first threaded column 202 passes through the first copper joint welding piece 3, the second nut 8 and the third nut 9 are screwed together and tightened with the first threaded column 202, thereby fastening the first copper joint welding piece 3 to one end of the double-headed copper stud 2.

[0027] The third threaded column 203 is used to cooperate with the third flat washer 10, the fourth nut 11 and the fifth nut 12 for fastening. After the third threaded column 203 passes through the second copper joint welding piece 4, the fourth nut 11 and the fifth nut 12 are screwed together and tightened with the third threaded column 203, thereby fastening the second copper joint welding piece 4 to the other end of the double-headed copper stud 2.

[0028] In this embodiment, if Figure 6 As shown, the center of the first copper joint welding piece 3 is provided with a first circular mounting hole 303 for mounting the double-headed copper stud 2, and the two sides of the first circular mounting hole 303 are respectively provided with first anti-rotation holes 302; Figure 7 As shown, the center of the second copper joint welding piece 4 is provided with a second circular mounting hole 403 for mounting the double-headed copper stud 2, and the two sides of the second circular mounting hole 403 are respectively provided with second anti-rotation holes 402. Furthermore, the side of the second threaded column 201 close to the first threaded column 202 is provided with a first anti-rotation boss 205 that cooperates with the first anti-rotation hole 302; the side of the limiting boss 206 close to the first threaded column 203 is provided with a second anti-rotation boss 207 that cooperates with the second anti-rotation hole 402. Among them, the first threaded column 202 passes through the first circular mounting hole 303 and is screwed with the second nut 8 and the third nut 9, and the first anti-rotation boss 205 cooperates with the first anti-rotation hole 302 to prevent the first copper joint welding piece 3 from rotating during installation, thereby realizing the anti-rotation function. After the third threaded column 203 passes through the second circular mounting hole 403, it is screwed with the fourth nut 11 and the fifth nut 12. The second anti-rotation boss 207 cooperates with the second anti-rotation hole 402 to prevent the second copper joint welding piece 4 from rotating during the installation process, thereby realizing the anti-rotation function. It should be noted that the specific position of the anti-rotation boss can be designed according to actual use.

[0029] Furthermore, first wire welding conduit grooves 301 are provided on both sides of the first copper joint welding piece 3; and second wire welding conduit grooves 401 are provided on both sides of the second copper joint welding piece 4. The first wire welding conduit groove 301 and the second wire welding conduit groove 401 can be set to different bending angles according to requirements to adapt to the collection of wires in different directions, and then multiple strands of wires are introduced into the grooves for welding, so that the external multi-wire current is collected on the copper joint welding piece, and then the current is dispersed and transmitted to the corresponding position through the printed circuit board. It should be noted that the number and size of the wire welding conduit grooves can be expanded or reduced according to the connection requirements.

[0030] In this embodiment, the fastening method between the first copper joint welding piece 3 and the double-headed copper stud 2 is double-nut (second nut and third nut) fastening, which has strong anti-loosening ability. The fastening method between the second copper joint welding piece 4 and the double-headed copper stud 2 is double-nut (fourth nut and fifth nut) fastening, which has strong anti-loosening ability.

[0031] In this embodiment, the surfaces of the double-headed copper stud 2, the first copper joint welding piece 3 and the second copper joint welding piece 4 are all plated with gold.

[0032] Although the present invention has been disclosed as above in the form of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art may make possible changes and modifications to the technical solution of the present invention by using the methods and technical contents disclosed above without departing from the spirit and scope of the present invention. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall fall within the protection scope of the technical solution of the present invention.

[0033] The contents not described in detail in the specification of the present invention belong to the common knowledge of professionals in the field.

Claims

1. A stud assembly suitable for multi-power bus connection of a printed circuit board, characterized in that: include: A printed circuit board (1), a double-headed copper stud (2), two copper joint welding pieces, three flat washers and five nuts; wherein the two copper joint welding pieces are respectively: a first copper joint welding piece (3) and a second copper joint welding piece (4); the three flat washers are respectively: a first flat washer (5), a second flat washer (7) and a third flat washer (10); the five nuts are respectively: a first nut (6), a second nut (8), a third nut (9), a fourth nut (11) and a fifth nut (12); the double-headed copper stud (2) is fastened to the printed circuit board (1) by the first nut (6). ), a first flat washer (5) is arranged between a first nut (6) and a printed circuit board (1); a first copper joint welding piece (3) is fastened to one end of a double-headed copper stud (2) through a second nut (8) and a third nut (9), and a second flat washer (7) is arranged between the first copper joint welding piece (3) and the second nut (8); a second copper joint welding piece (4) is fastened to the other end of the double-headed copper stud (2) through a fourth nut (11) and a fifth nut (12), and a third flat washer (10) is arranged between the second copper joint welding piece (4) and the fourth nut (11).

2. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 1, characterized in that: A waist-shaped mounting hole (101) for mounting a double-headed copper stud (2) is arranged at the center of the printed circuit board (1).

3. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 2, characterized in that: The surface of the waist-shaped mounting hole (101) is gold-plated.

4. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 2, characterized in that: The double-headed copper stud (2) is provided with: a first threaded column (202), a second threaded column (201), a guide boss (204), a limiting boss (206) and a third threaded column (203) in order from top to bottom; wherein the guide boss (204) is guided and installed in the waist-shaped installation hole (101); the limiting boss (206) is used to perform axial limiting when the guide boss (24) is guided and installed in the waist-shaped installation hole (101); the first nut ( The second nut (6) is screwed together with the second threaded column (201) to fasten and clamp the double-headed copper stud (2) and the printed circuit board (1); the second nut (8) and the third nut (9) are screwed together with the first threaded column (202) to fasten the first copper joint welding piece (3) to one end of the double-headed copper stud (2); the fourth nut (11) and the fifth nut (12) are screwed together with the third threaded column (203) to fasten the second copper joint welding piece (4) to the other end of the double-headed copper stud (2).

5. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 4, characterized in that: A first anti-rotation boss (205) is provided on one side of the second threaded column (201) close to the first threaded column (202); and a second anti-rotation boss (207) is provided on one side of the limiting boss (206) close to the first threaded column (203).

6. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 5, characterized in that: A first circular mounting hole (303) for mounting a double-headed copper stud (2) is arranged at the center of the first copper joint welding piece (3), and first anti-rotation holes (302) are arranged on both sides of the first circular mounting hole (303); wherein the first threaded column (202) passes through the first circular mounting hole (303) and is screwed together with the second nut (8) and the third nut (9), and the first anti-rotation boss (205) is guided and matched with the first anti-rotation hole (302) to prevent the first copper joint welding piece (3) from rotating during the installation process, thereby realizing the anti-rotation function.

7. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 6, characterized in that: First wire welding conduit grooves (301) are provided on both sides of the first copper joint welding piece (3).

8. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 5, characterized in that: A second circular mounting hole (403) for mounting the double-headed copper stud (2) is arranged at the center of the second copper joint welding piece (4), and second anti-rotation holes (402) are arranged on both sides of the second circular mounting hole (403); wherein the third threaded column (203) passes through the second circular mounting hole (403) and is screwed together with the fourth nut (11) and the fifth nut (12), and the second anti-rotation boss (207) is guided and matched with the second anti-rotation hole (402) to prevent the second copper joint welding piece (4) from rotating during the installation process, thereby realizing the anti-rotation function.

9. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 8, characterized in that: Second wire welding confluence grooves (401) are arranged on both sides of the second copper joint welding piece (4).

10. The stud assembly suitable for multi-power bus connection of a printed circuit board according to claim 1, characterized in that: The surfaces of the double-headed copper stud (2), the first copper joint welding piece (3) and the second copper joint welding piece (4) are all plated with gold.

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