Copper-aluminum welding spot protection structure

Abstract

The utility model discloses a copper-aluminum welding spot protection structure, which relates to the technical field of welding spot protection, and comprises a circuit board and a copper-aluminum welding spot connected to the top of the circuit board, the surface of the circuit board is provided with a protection assembly, and the protection assembly comprises a mounting seat movably connected to one side of the circuit board. A first protective cover is slidably connected to one side of the mounting base, a second protective cover is slidably connected into the first protective cover, limiting holes are formed in the sides, away from the mounting base, of the first protective cover and the second protective cover, and a limiting plate is fixedly connected to the upper portion of the first protective cover; according to the protective device, the first protective cover and the second protective cover are adjusted to be adaptive to copper-aluminum welding spots with different lengths, the stretching lengths of the first protective cover and the second protective cover are limited through the limiting columns, the copper-aluminum welding spots are protected, and the protective effect on the copper-aluminum welding spots is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding spot protection technical field, concretely is a copper aluminum welding spot protection structure. BACKGROUND

[0002] The integrated circuit board is through oxidation, photoetching, diffusion, epitaxy, evaporating aluminum and other semiconductor manufacturing processes, the components such as semiconductor, resistance, capacitor needed to constitute the circuit with certain function and the connecting wire between them are all integrated on a small piece of silicon, and the welding spot formed by connecting copper wire and aluminum component together in the process of circuit board manufacturing or maintenance is commonly called copper aluminum welding spot.

[0003] The existing Chinese patent (publication number CN218472445U) discloses a welding spot protection cover, by setting welding spot protection cover, welding spot protection cover body can be fixed on the circuit board through the connecting part, when the protection cover body is fixed on the circuit board, effectively avoid the situation that glue and welding spot fall off, and the welding spot is protected, avoid the welding spot being scratched or damaged during the installation of circuit board by the staff, cause the integrated circuit board to be damaged, affect use.

[0004] But the above-mentioned design's a kind of welding spot protection cover still has some shortcomings when actually using: the welding spot protection cover when using, in actual electronic equipment manufacturing and maintenance process, the size of welding spot on circuit board is often different, since the length of welding spot protection cover is limited, there is certain limitation, when facing larger size welding spot, protection cover cannot completely cover welding spot, so that part of welding spot is exposed, and the protection effect of protection cover on welding spot will be influenced. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a copper aluminum welding spot protection structure to solve the problems in the above background.

[0006] To solve the above technical problems, the utility model provides a copper aluminum welding spot protection structure, which comprises a circuit board and a copper aluminum welding spot connected to the top of the circuit board, the surface of the circuit board is provided with a protection assembly, the protection assembly comprises a mounting seat movably connected to one side of the circuit board, a first protection cover is slidably connected to one side of the mounting seat, a second protection cover is slidably connected to the first protection cover, limit holes are formed in the sides of the first protection cover and the second protection cover away from the mounting seat, a limiting plate is fixedly connected above the first protection cover, one end of the limiting plate is fixedly connected to the mounting seat, a pull plate is movably connected to the other end of the limiting plate, a limiting column is fixedly connected to the side of the pull plate close to the mounting seat, and the limiting column is inserted into the limiting hole.

[0007] Further, the bottom of the mounting seat is further provided with a fixing assembly, the fixing assembly comprises a reset spring connected to the bottom of the mounting seat, the other end of the reset spring is connected with a bottom plate, the top side of the bottom plate is movably connected with the bottom of the circuit board, the other top side of the bottom plate is fixedly connected with a second telescopic rod, and the reset spring is sleeved on the outside of the second telescopic rod.

[0008] Further, the bottom of the mounting seat is further provided with a fixing assembly, the fixing assembly comprises a reset spring connected to the bottom of the mounting seat, the other end of the reset spring is connected with a bottom plate, the top side of the bottom plate is movably connected with the bottom of the circuit board, the other top side of the bottom plate is fixedly connected with a second telescopic rod, and the reset spring is sleeved on the outside of the second telescopic rod.

[0009] Further, the number of the second telescopic rod is two, and the two second telescopic rods are symmetrically arranged below the mounting seat and centered on the vertical axis of the mounting seat.

[0010] Further, one end of the limiting plate is fixedly connected with a first telescopic rod, a telescopic spring is sleeved on the first telescopic rod, one end of the telescopic spring is fixedly connected with the limiting plate, and the other end of the telescopic spring is fixedly connected with the pull plate.

[0011] Further, the section of the first protective cover is in the shape of "U", and one end of the first protective cover is connected with a cover plate.

[0012] Further, one side of the mounting seat is provided with a sliding groove, and the limiting hole is connected with a sliding block close to one side of the mounting seat, and the sliding block is slidably connected with the mounting seat through the sliding groove.

[0013] Further, one side, away from the mounting seat, of the rotating plate is connected with a handle, and an anti-skid pattern is integrally formed on the handle.

[0014] Compared with the prior art, the beneficial effects of the utility model are that: by adjusting the first protective cover and the second protective cover, the copper-aluminum welding points of different lengths can be matched, and the stretching length of the first protective cover and the second protective cover is limited by the limiting column, so that the copper-aluminum welding points are protected, and the protection effect of the copper-aluminum welding points is ensured. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is a three-dimensional structure schematic view of the protective assembly of the utility model;

[0017] Figure 3 It is a side view three-dimensional structure schematic view of the protective assembly of the utility model;

[0018] Figure 4 It is a three-dimensional structure schematic view of the circuit board.

[0019] In the figure: 1, circuit board; 2, mounting seat; 3, first protective cover; 4, second protective cover; 5, limiting hole; 6, limiting plate; 7, bottom plate; 8, first telescopic rod; 9, telescopic spring; 10, pull plate; 11, limiting column; 12, second telescopic rod; 13, reset spring; 14, first connecting rod; 15, rotating plate; 16, second connecting rod; 17, copper aluminum solder joint. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: including circuit board 1 and connecting in copper aluminum solder joint 17 of circuit board 1 top, the surface of circuit board 1 is provided with protection assembly, protection assembly includes the mounting seat 2 of swing connection in one side of circuit board 1, the one side of mounting seat 2 is connected with the first protective cover 3 of sliding, the first protective cover 3 is connected with the second protective cover 4 of sliding in, the one side of first protective cover 3 and second protective cover 4 away from mounting seat 2 all set up limiting hole 5 in, the upper fixed connection of first protective cover 3 is limited to board 6, one end of limiting plate 6 and mounting seat 2 fixed connection, the other end of limiting plate 6 swing connection has pull plate 10, pull plate 10 is fixed connection with limiting column 11 in the one side close to mounting seat 2, limiting column 11 and limiting hole 5 plug connection.

[0022] Need to explain is, pull plate 10 is set up in recess, recess is located in the one side away from limiting plate 6, the size of recess and finger are matched, when the staff is convenient for operating, through the finger is inserted into recess and pull plate 10.

[0023] In specific implementation, the staff can pull the pull plate 10 away from the limiting plate 6, the pull plate 10 is located on one side of the first protective cover 3 and the second protective cover 4 which are provided with limiting holes 5, the limiting holes 5 provided on the first protective cover 3 and the second protective cover 4 are distributed at equal intervals, the limiting column 11 is pulled out of the limiting hole 5 in the initial position, according to the length of the distribution of the copper-aluminum solder joints 17 on the circuit board 1, the first protective cover 3 is slid on one side of the mounting seat 2 to the appropriate position, and then the second protective cover 4 is pulled out of the first protective cover 3 to the appropriate position, the staff can release the pull plate 10, the limiting column 11 is aligned with the limiting holes 5 on the first protective cover 3 and the second protective cover 4, and the limiting column 11 is inserted into the limiting holes 5 on the first protective cover 3 and the second protective cover 4 which are opposite in position, so as to limit the stretching length of the two.

[0024] Referring to Figure 3 , the bottom of the mounting seat 2 is further provided with a fixing assembly, the fixing assembly comprises a reset spring 13 connected to the bottom of the mounting seat 2, the other end of the reset spring 13 is connected with a bottom plate 7, one side of the top of the bottom plate 7 is movably connected with the bottom of the circuit board 1, the other side of the top of the bottom plate 7 is fixedly connected with a second telescopic rod 12, and the reset spring 13 is sleeved on the outer side of the second telescopic rod 12.

[0025] It should be noted that the number of the reset spring 13 and the second telescopic rod 12 is at least two respectively, the number of the reset spring 13 and the second telescopic rod 12 is matched, and the two reset springs 13 and the two second telescopic rods 12 are respectively located below the two sides of the bottom of the mounting seat 2 and do not contact with the rotating plate 15, so as to avoid motion interference.

[0026] By setting the fixing assembly, the staff can rotate the rotating plate 15, the rotating plate 15 is rotated clockwise, the two ends of the rotating plate 15 drive the first connecting rod 14 and the second connecting rod 16 to move, the first connecting rod 14 and the second connecting rod 16 gradually move away, the second telescopic rod 12 and the reset spring 13 are stretched, the circuit board 1 is placed between the mounting seat 2 and the bottom plate 7, after the rotating plate 15 is released, the reset spring 13 is reset, the pulling force generated when the reset spring 13 is reset drives the second telescopic rod 12 to retract, the mounting seat 2 and the bottom plate 7 clamp the circuit board 1, so that the first protective cover 3 and the second protective cover 4 can protect the copper-aluminum solder joints 17 on the circuit board 1.

[0027] Referring to Figure 3 , the bottom of the mounting seat 2 is provided with a first rectangular groove, the first connecting rod 14 is movably connected in the first rectangular groove, the bottom of the first connecting rod 14 is rotatably connected with the rotating plate 15, one side of the bottom plate 7 is provided with a second rectangular groove located directly below the first rectangular groove, the second connecting rod 16 is movably connected in the second rectangular groove, and the other end of the second connecting rod 16 is rotatably connected with the rotating plate 15.

[0028] It should be noted that the top and bottom of the first connecting rod 14, the rotating plate 15 and the second connecting rod 16 are all set to be semicircular, which facilitates the stability of the rotation of the three, the first rectangular slot and the second rectangular slot are internally provided with a pin shaft, the first connecting rod 14 is rotatably installed at the bottom of the mounting seat 2 through the pin shaft, the two ends of the rotating plate 15 are connected with the first connecting rod 14 and the second connecting rod 16 through the pin shaft, and the second rectangular slot is formed in the bottom plate 7 and located directly below the first rectangular slot.

[0029] By setting the first connecting rod 14, the rotating plate 15 and the second connecting rod 16, when the rotating plate 15 rotates clockwise, the two ends of the rotating plate 15 drive the first connecting rod 14 and the second connecting rod 16 to move, so that the first connecting rod 14 and the second connecting rod 16 gradually move away, the second telescopic rod 12 and the reset spring 13 are stretched, and the circuit board 1 is placed between the mounting seat 2 and the bottom plate 7.

[0030] Referring to Figure 3 , the two second telescopic rods 12 are symmetrically arranged below the mounting seat 2 with the vertical axis of the mounting seat 2 as the center.

[0031] By setting the two second telescopic rods 12 between the mounting seat 2 and the bottom plate 7, the stability of the mounting seat 2 and the bottom plate 7 in clamping the circuit board 1 when the circuit board 1 is placed between the mounting seat 2 and the bottom plate 7 is improved, and the two second telescopic rods 12 are symmetrically arranged below the mounting seat 2 with the vertical axis of the mounting seat 2 as the center, which facilitates the movement of the second telescopic rods 12 on both sides of the rotating plate 15 by rotating the rotating plate 15.

[0032] Referring to Figure 2 , one end of the limiting plate 6 is fixedly connected with the first telescopic rod 8, the first telescopic rod 8 is sleeved with the telescopic spring 9, one end of the telescopic spring 9 is fixedly connected with the limiting plate 6, and the other end of the telescopic spring 9 is fixedly connected with the pull plate 10.

[0033] By setting the first telescopic rod 8 and the telescopic spring 9, the pull plate 10 can be pulled away from the limiting plate 6 by the staff, the first telescopic rod 8 and the telescopic spring 9 are stretched with the pulling of the pull plate 10, and after the staff releases the pull plate 10, the limiting column 11 is reinserted into the limiting hole 5 under the restoring force of the telescopic spring 9.

[0034] Referring to Figure 4 , the section of the first protective cover 3 is in the shape of “U”, and the first protective cover 3 is connected with a cover plate at one end.

[0035] By setting the sections of the first protective cover 3 and the second protective cover 4 to be in the shape of “U”, the second protective cover 4 can slide in the first protective cover 3.

[0036] Referring to Figure 1 and Figure 4The side of the mounting base 2 is provided with a sliding slot, and the side of the limiting hole 5 close to the mounting base 2 is connected with a sliding block, and the sliding block is slidingly connected with the mounting base 2 through the sliding slot.

[0037] By setting the sliding block and the sliding slot, the sliding slot is provided on the side of the mounting base 2 and on the side of the limiting plate 6, so that the first protective cover 3 can slide in the sliding slot on the side of the mounting base 2 through the sliding block.

[0038] Referring to Figure 3 The side of the rotating plate 15 away from the mounting base 2 is connected with a handle, and the handle is provided with an integrally formed anti-skid line.

[0039] By setting one end of the handle to be circular, the staff can hold the handle, rotate the handle to rotate the rotating plate 15, and clamp the mounting base 2 and the bottom plate 7 on the circuit board 1.

[0040] Working principle: when the device is used, the staff can pull the pulling plate 10 away from the limiting plate 6, the first telescopic rod 8 and the telescopic spring 9 are stretched with the pulling of the pulling plate 10, the limiting column 11 is pulled out of the limiting hole 5 in the initial position, according to the length of the copper-aluminum solder joint 17 distributed on the circuit board 1, the first protective cover 3 is slid on the side of the mounting base 2 to the appropriate position, and then the second protective cover 4 is pulled out of the first protective cover 3 to the appropriate position, the staff can release the pulling plate 10, the limiting column 11 is aligned with the limiting hole 5 on the first protective cover 3 and the second protective cover 4, and the limiting column 11 is inserted into the two to limit the stretching length;

[0041] The staff can rotate the rotating plate 15, the rotating plate 15 rotates clockwise, the two ends of the rotating plate 15 drive the first connecting rod 14 and the second connecting rod 16 to move, the first connecting rod 14 and the second connecting rod 16 gradually move away, the second telescopic rod 12 and the reset spring 13 are stretched, the circuit board 1 is placed between the mounting base 2 and the bottom plate 7, the reset spring 13 is reset after the rotating plate 15 is released, and the pulling force generated when the reset spring 13 is reset drives the second telescopic rod 12 to retract, so that the mounting base 2 and the bottom plate 7 clamp the circuit board 1, so that the first protective cover 3 and the second protective cover 4 can protect the copper-aluminum solder joint 17 on the circuit board 1.

Claims

1. A copper-aluminum solder joint protection structure, comprising a circuit board (1) and a copper-aluminum solder joint (17) connected on the top of the circuit board (1), characterized in that: The surface of the circuit board (1) is provided with a protection assembly, the protection assembly comprises a mounting seat (2) movably connected on one side of the circuit board (1), a first protective cover (3) is slidably connected on one side of the mounting seat (2), a second protective cover (4) is slidably connected in the first protective cover (3), a limiting hole (5) is formed on the side away from the mounting seat (2) of the first protective cover (3) and the second protective cover (4), a limiting plate (6) is fixedly connected above the first protective cover (3), one end of the limiting plate (6) is fixedly connected with the mounting seat (2), a pull plate (10) is movably connected to the other end of the limiting plate (6), a limiting column (11) is fixedly connected to the side of the pull plate (10) close to the mounting seat (2), and the limiting column (11) is inserted into the limiting hole (5).

2. The copper-aluminum solder joint protection structure of claim 1, wherein: The bottom of the mounting seat (2) is also provided with a fixing assembly, the fixing assembly comprises a reset spring (13) connected to the bottom of the mounting seat (2), the other end of the reset spring (13) is connected with a bottom plate (7), the top side of the bottom plate (7) is movably connected with the bottom of the circuit board (1), the other side of the top of the bottom plate (7) is fixedly connected with a second telescopic rod (12), and the reset spring (13) is sleeved on the outer side of the second telescopic rod (12).

3. The copper-aluminum joint protection structure of claim 2, wherein: A first rectangular groove is formed in the bottom of the mounting seat (2), a first connecting rod (14) is movably connected in the first rectangular groove, a rotating plate (15) is rotatably connected to the bottom of the first connecting rod (14), a second rectangular groove is formed in one side of the bottom plate (7) and located directly below the first rectangular groove, a second connecting rod (16) is movably connected in the second rectangular groove, and the other end of the second connecting rod (16) is rotatably connected with the rotating plate (15).

4. The copper-aluminum solder joint protection structure of claim 3, wherein: The number of the second telescopic rod (12) is two, and the two second telescopic rods (12) are symmetrically arranged below the mounting seat (2) with the vertical axis of the mounting seat (2) as the center.

5. The copper-aluminum joint protection structure of claim 4, wherein: One end of the limiting plate (6) is fixedly connected with a first telescopic rod (8), a telescopic spring (9) is sleeved on the first telescopic rod (8), one end of the telescopic spring (9) is fixedly connected with the limiting plate (6), and the other end of the telescopic spring (9) is fixedly connected with the pull plate (10).

6. The copper-aluminum joint protection structure of claim 5, wherein: The section of the first protective cover (3) is "U" shaped, and the first protective cover (3) is connected with a cover plate at one end.

7. The copper-aluminum joint protection structure of claim 6, wherein: A sliding groove is formed in one side of the mounting seat (2), a sliding block is connected to the side of the limiting hole (5) close to the mounting seat (2), and the sliding block is slidably connected with the mounting seat (2) through the sliding groove.

8. The copper-aluminum joint protection structure of claim 7, wherein: A handle is connected to the side of the rotating plate (15) away from the mounting seat (2), and an anti-skid pattern is integrally formed on the handle.

Images