CN219227971U

CN219227971U - Fixing assembly

Info

Publication number: CN219227971U
Application number: CN202320085741.9U
Authority: CN
Inventors: 赵文杰
Original assignee: Wuhan Puxixin Electronic Technology Co ltd
Current assignee: Wuhan Puxixin Electronic Technology Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-06-20
Anticipated expiration: 2033-01-30

Abstract

The utility model relates to the technical field of circuit board processing, and discloses a fixing assembly, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a stand column, a rotating shaft is rotationally connected with the stand column, one side, close to each other, of the rotating shaft is fixedly connected with mounting plates, two positioning shafts which are arranged in a front-back symmetrical mode are fixedly connected between the mounting plates, the outer sides of the positioning shafts are connected with cross rods in a sliding mode, a sliding block is connected in a sliding mode, and a clamping device is arranged on the sliding block. This fixed subassembly has the upset of being convenient for, and when advantages such as application scope is wide had solved some circuit board welding, and the positive and negative of circuit board all need carry out welding work, need repeatedly dismantle the back to the circuit board and turn over and centre gripping once more fixedly, have wasted a large amount of operating time, greatly reduced the welding efficiency of circuit board, and the size specification of current circuit board is different moreover, leads to the problem that the application scope of anchor clamps narrows.

Description

Fixing assembly

Technical Field

The utility model relates to the technical field of circuit board processing, in particular to a fixing component.

Background

The circuit board is a support body of the electronic components and is a carrier for electric connection of the electronic components, and the main advantages of the circuit board are that errors of wiring and assembly are greatly reduced, the automation level and the production labor rate are improved, and the circuit board needs to be clamped during welding.

When some circuit boards are welded, the front and back surfaces of the circuit boards are required to be welded, the circuit boards are required to be repeatedly turned over and clamped and fixed again after being disassembled, a large amount of working time is wasted, the welding efficiency of the circuit boards is greatly reduced, and the size and the specification of the current circuit boards are different, so that the application surface of the clamp is narrowed, and the fixing assembly is provided to solve the problem.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the fixing assembly which has the advantages of convenience for overturning and the like, and solves the problems that when some circuit boards are welded, the front and the back of the circuit boards are required to be welded, the circuit boards are required to be repeatedly disassembled and then turned over and clamped and fixed again, a great deal of working time is wasted, the welding efficiency of the circuit boards is greatly reduced, and the application face of the clamp is narrowed due to different sizes of the current circuit boards.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the utility model provides a fixed subassembly, includes the bottom plate, the top fixedly connected with first stand of bottom plate, the bilateral symmetry department of first stand is provided with the second stand, second stand fixed connection is at the top of bottom plate, the second through-hole has been seted up on the right side of second stand, second through-hole internal rotation is connected with the second pivot, the left side fixedly connected with second mounting panel of second pivot, first through-hole has been seted up in the left side of first stand, first through-hole internal rotation is connected with first pivot, the right side fixedly connected with first mounting panel of first pivot, be two in quantity and be the locating shaft that the bilateral symmetry set up between first mounting panel and the second mounting panel, the outside sliding connection of locating shaft has first horizontal pole, the bilateral symmetry department of first horizontal pole is provided with the second horizontal pole, the second horizontal pole is connected in the locating shaft outside, the T-shaped groove has all been seted up to one side that is close to each other, the T slider is connected with the first through-hole, first through-hole internal rotation is connected with first locating screw bolt, first through-hole is equipped with first locating bolt, first through-hole is equipped with first screw bolt, first through-hole is equipped with the first through-hole is connected with the first through-hole, first screw bolt is equipped with the first through-hole, the top is equipped with the first screw bolt, the first through-hole is equipped with the first screw bolt is equipped with the counter bore, the top is equipped with the first through-hole, the top through bolt is equipped with the screw hole, the first positioning groove matched with the first positioning ball is formed in the outer side of the first rotating shaft, the second counter bore is formed in the first cross rod, the second positioning spring is arranged in the second counter bore, the second positioning ball is arranged at one end, away from the bottom of the second counter bore, of the second positioning spring, and the second positioning groove matched with the second positioning ball is formed in the outer side of the positioning shaft.

The beneficial effects of the utility model are as follows: the circuit boards with different specifications are adapted by moving the cross rod and the sliding block, and meanwhile, the purpose of overturning the circuit boards can be achieved by rotating the crank, so that the back surfaces of the circuit boards can be welded.

The fixing assembly has the advantages of being convenient to turn over and the like.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, limit spring has been cup jointed in the outside of spacing axle, limit spring's top and the bottom contact of second splint, limit spring's bottom and the inner wall bottom contact of slider.

The further scheme has the beneficial effect of preventing the circuit board from being damaged due to overlarge clamping force.

Further, the bottom fixedly connected with cushion of first splint, the top fixedly connected with cushion of second splint.

The circuit board is further protected while the circuit board is prevented from sliding down.

Further, the left side fixedly connected with rotation board of first pivot, the left side fixedly connected with crank of rotation board.

The clamping device has the beneficial effects that the clamping device is convenient to rotate.

Further, the number of the first counter bores is two, and the first counter bores are arranged symmetrically up and down.

The technical scheme has the beneficial effects that the front and the back of the clamping device are positioned conveniently after the clamping device is rotated.

Further, the second positioning grooves are axially equidistantly distributed along the positioning shaft, and the number of the second positioning grooves is not less than sixteen.

The sliding and positioning device has the beneficial effects that the sliding and positioning of the cross rod are facilitated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the structure of the present utility model;

FIG. 3 is an enlarged view of the structure of the present utility model at A;

fig. 4 is an enlarged view of the structure at B of the present utility model.

In the figure: 1. a bottom plate; 2. a second upright; 3. a second through hole; 4. a second rotating shaft; 5. a second mounting plate; 6. positioning a shaft; 7. a second cross bar; 8. a first clamping plate; 9. a first threaded hole; 10. a screw; 11. a slide block; 12. a fastening bolt; 13. a chute; 14. a first cross bar; 15. a first upright; 16. a rotating plate; 17. a first through hole; 18. a first rotating shaft; 19. a first positioning groove; 20. a first positioning ball; 21. a first positioning spring; 22. a crank; 23. a first counterbore; 24. a first mounting plate; 25. a second threaded hole; 26. a T-shaped groove; 27. a limit spring; 28. a limiting shaft; 29. a round hole; 30. a second clamping plate; 31. a second counterbore; 32. a second positioning spring; 33. a second positioning ball; 34. and a second positioning groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the embodiment, as shown in fig. 1-4, a fixing component comprises a bottom plate 1, a first upright 15 is fixedly connected to the top of the bottom plate 1, a second upright 2 is arranged at the bilateral symmetry position of the first upright 15, the second upright 2 is fixedly connected to the top of the bottom plate 1, a second through hole 3 is formed in the right side of the second upright 2, a second rotating shaft 4 is rotationally connected to the second through hole 3, a second mounting plate 5 is fixedly connected to the left side of the second rotating shaft 4, a first through hole 17 is formed in the left side of the first upright 15, a first rotating shaft 18 is rotationally connected to the first through hole 17, a first mounting plate 24 is fixedly connected to the right side of the first rotating shaft 18, two positioning shafts 6 which are symmetrically arranged in front-back are fixedly connected between the first mounting plate 24 and the second mounting plate 5, and a first cross rod 14 is slidingly connected to the outer side of the positioning shaft 6, the left-right symmetry of the first cross rod 14 is provided with a second cross rod 7, the second cross rod 7 is connected with the outer side of the positioning shaft 6 in a sliding way, one side, close to each other, of the first cross rod 14 and the second cross rod 7 is provided with a T-shaped groove 26, a sliding block 11 is connected in a sliding way in the T-shaped groove 26, the top of the sliding block 11 is provided with a first threaded hole 9, a screw rod 10 is connected in a rotating way in the first threaded hole 9, the bottom of the screw rod 10 is fixedly connected with a first clamping plate 8, the bottom of the sliding block 11 is provided with a round hole 29, the top of the limiting shaft 28 is fixedly connected with a second clamping plate 30 in a sleeved way, the top of the limiting shaft 28 is provided with a sliding groove 13, a fastening bolt 12 is placed in the sliding groove 13, the top of the sliding block 11 is provided with a second threaded hole 25 matched with the fastening bolt 12, the inner wall of the first through hole 17 is provided with a first counter bore 23 sunk into the first upright 15, the first positioning spring 21 is arranged in the first counter bore 23, a first positioning ball 20 is arranged on one side, far away from the bottom of the first counter bore 23, of the first positioning spring 21, a first positioning groove 19 matched with the first positioning ball 20 is formed in the outer side of the first rotating shaft 18, a second counter bore 31 is formed in the first cross rod 14, a second positioning spring 32 is arranged in the second counter bore 31, a second positioning ball 33 is arranged at one end, far away from the bottom of the second counter bore 31, of the second positioning spring 32, and a second positioning groove 34 matched with the second positioning ball 33 is formed in the outer side of the positioning shaft 6;

the outer side of the limiting shaft 28 is sleeved with a limiting spring 27, the top of the limiting spring 27 is contacted with the bottom of the second clamping plate 30, and the bottom of the limiting spring 27 is contacted with the bottom of the inner wall of the sliding block 11;

preventing the excessive rotation of the screw 10 to generate excessive clamping force to clamp the circuit board;

the bottom of the first clamping plate 8 is fixedly connected with a rubber cushion, and the top of the second clamping plate 30 is fixedly connected with a rubber cushion;

the friction force of the rubber pad is large and the rubber pad has certain elasticity, so that the circuit board can be further protected while the circuit board is prevented from sliding off;

the left side of the first rotating shaft 18 is fixedly connected with a rotating plate 16, and the left side of the rotating plate 16 is fixedly connected with a crank 22;

the crank 22 is made to have a larger distance from the axis of the first rotating shaft 18, so that the clamping device can be rotated conveniently;

the number of the first counter bores 23 is two, and the first counter bores 23 are arranged symmetrically up and down;

the first counter bore 23 is arranged at 180 degrees, so that the positioning after the circuit board is turned over is facilitated;

the second positioning grooves 34 are distributed at equal intervals along the axial direction of the positioning shaft 6, and the number of the second positioning grooves 34 is not less than sixteen;

the positioning of the first cross rod 14 and the second cross rod 7 along the axial sliding of the positioning shaft 6 is facilitated, so that the cross rods have a larger sliding range, and the whole assembly is provided with a circuit board which can adapt to more specifications.

Working principle:

the first step: according to the specification of the circuit board, the first cross rod 14 and the second cross rod 7 axially slide along the positioning shaft 6, the second positioning ball 33 can outwards move against the elastic force of the second positioning spring 32, and after the first cross rod 14 and the second cross rod 7 move to the required positions, the second positioning ball 33 can rebound into the second positioning groove 34 under the elastic force of the second positioning spring 32, so that the relative positions of the first cross rod 14 and the second cross rod 7 and the positioning shaft 6 are fixed;

and a second step of: the fixing bolt 12 is screwed out of the second threaded hole 25, then the sliding block 11 is slid along the direction of the sliding groove 13 according to the specification of the circuit board, after the sliding block 11 moves to a required position, the fixing bolt 12 is screwed into the second threaded hole 25 again, so that the purpose of fixing the relative position of the sliding block 11 and the cross rod is achieved, the circuit board is placed between the first clamping plate 8 and the second clamping plate 30, the screw 10 is screwed down, the first clamping plate 8 moves downwards, the purpose of clamping the circuit board is achieved, and meanwhile, the limiting spring 27 can prevent the clamping force from being too large to clamp the circuit board;

and a third step of: when the crank 22 is rotated, the force of the crank 22 overcomes the elasticity of the first positioning spring 21, the first positioning ball 20 is separated from the first positioning groove 19, the crank 22 drives the first rotating shaft 18 to rotate in the first through hole 17, the first mounting plate 24 rotates at the moment, the first mounting plate 24 rotates around the axis of the first rotating shaft 18 with the rotation of the positioning shaft 6, the transverse rod rotates due to the rotation of the positioning shaft 6, and after the first rotating shaft 18 rotates 180 degrees, the first positioning ball 20 is rebounded into the first positioning groove 19 under the action of the first positioning spring 21, so that the relative position of the first rotating shaft 18 and the first upright post 15 is fixed, and the purpose of overturning the circuit board is achieved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fastening assembly comprising a base plate (1), characterized in that: the top fixedly connected with first stand (15) of bottom plate (1), the bilateral symmetry department of first stand (15) is provided with second stand (2), second stand (2) fixed connection is at the top of bottom plate (1), second through-hole (3) have been seted up on the right side of second stand (2), second through-hole (3) swivelling joint has second pivot (4), the left side fixedly connected with second mounting panel (5) of second pivot (4), first through-hole (17) have been seted up on the left side of first stand (15), first through-hole (17) swivelling joint has first pivot (18), the right side fixedly connected with first mounting panel (24) of first pivot (18), be fixed connection between first mounting panel (24) and second mounting panel (5) and be two and be front and back symmetry setting location axle (6), the outside sliding connection of location axle (6) has first horizontal pole (14), first horizontal pole (14) have on the left side, first horizontal pole (7) are provided with second horizontal pole (26) and are connected with each other in the horizontal pole (7) in the second horizontal pole (6) is close to one side sliding connection (26), the top of slider (11) has seted up first screw hole (9), the second screw hole (25) with holding bolt (12) looks adaptation are seted up to the top of slider (9), the first counter bore (23) of first stand (15) are sunk in the bottom fixedly connected with of screw rod (10), round hole (29) have been seted up to the bottom of slider (11), round hole (29) endotheca has spacing axle (28) top fixedly connected with second splint (30), spout (13) have been seted up at the top of first horizontal pole (14), holding bolt (12) have been placed in spout (13), second screw hole (25) with holding bolt (12) looks adaptation are seted up at the top of slider (11), first counter bore (23) are seted up to the inner wall of first through-hole (17) and are sunk in first stand (15), one side that first positioning spring (21) kept away from first counter bore (23) bottom is provided with first positioning ball (20), first positioning ball (18) are seted up outside first positioning ball (31) and are located first positioning ball (32) are seted up inside first positioning ball (32), one end of the second positioning spring (32) far away from the bottom of the second counter bore (31) is provided with a second positioning ball (33), and a second positioning groove (34) matched with the second positioning ball (33) is formed in the outer side of the positioning shaft (6).

2. A securing assembly according to claim 1, wherein: the outside of spacing axle (28) has cup jointed spacing spring (27), the top of spacing spring (27) and the bottom contact of second splint (30), the bottom of spacing spring (27) and the inner wall bottom contact of slider (11).

3. A securing assembly according to claim 1, wherein: the bottom fixedly connected with cushion of first splint (8), the top fixedly connected with cushion of second splint (30).

4. A securing assembly according to claim 1, wherein: the left side of first pivot (18) fixedly connected with rotor plate (16), the left side of rotor plate (16) fixedly connected with crank (22).

5. A securing assembly according to claim 1, wherein: the number of the first counter bores (23) is two, and the first counter bores (23) are arranged symmetrically up and down.

6. A securing assembly according to claim 1, wherein: the second positioning grooves (34) are distributed at equal intervals along the axial direction of the positioning shaft (6), and the number of the second positioning grooves (34) is not less than sixteen.