CN209992614U

CN209992614U - Be used for fixed PCB of tool to fix pothook

Info

Publication number: CN209992614U
Application number: CN201920342960.4U
Authority: CN
Inventors: 李高伟; 李壮伟; 郑之件
Original assignee: Suzhou Yike Sailun Electronic Technology Co Ltd
Current assignee: Suzhou Yike Sailun Electronic Technology Co Ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-01-24
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a fixture fixed PCB fixed hook in the technical field of PCB fixation, which comprises a fixture base, wherein the top of the fixture base is provided with two groups of grooves, two groups of grooves are internally provided with clamping columns, the inner cavities of the two groups of clamping columns are all provided with moving blocks in a sliding way, one sides of the two groups of moving blocks, which are close to clamping grooves, are all provided with clamping blocks, one sides of the two groups of moving blocks, which are far away from the clamping blocks, are all connected with a pressure spring, the fixture fixed PCB fixed hook is used for fixing the fixture, the clamping columns at the bottom of a PCB are inserted into the grooves, the inclined planes of the clamping blocks can be rapidly moved into the clamping columns when touching the edges of the grooves, when the clamping blocks are moved to be at the same horizontal plane with the clamping grooves, the clamping blocks are rapidly clamped into the clamping grooves under the elastic action of the pressure spring, thereby being beneficial to rapidly install the PCB, the PCB is not easy to damage the PCB, is convenient and quick.

Description

Be used for fixed PCB of tool to fix pothook

Technical Field

The utility model relates to a PCB fixes technical field, specifically is a be used for fixed pothook of PCB of tool.

Background

The PCB is also called a printed circuit board, is an important electronic component, is a support for electronic components, and is a provider for electrical connection of electronic components. Because it adopts the electron printing technology preparation, so be called "printed" circuit board, after the PCB board preparation, need test the PCB board, confirm whether it accords with the preparation requirement, need to fix the PCB board when testing, make it not take place to remove, be convenient for detect the test, but current test fixture is comparatively troublesome when installing and dismantling the PCB board, generally adopt multiunit bolt to fix, the bolt not only rusts easily, still damage the PCB board easily, be unfavorable for the test of PCB board, for this reason, we propose one kind and be used for tool fixed PCB to fix the pothook.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for fixed PCB of tool to fix pothook to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixed clamping hook for fixing a PCB by a jig comprises a jig base, wherein two groups of grooves are formed in the top of the jig base, round holes are transversely formed in the left side and the right side of the jig base, clamping grooves are formed in one sides, close to the grooves, of the two groups of round holes and are communicated with the grooves, moving rods are inserted into the two groups of round holes, a baffle is arranged on one side, far away from the jig base, of the two groups of moving rods, springs are sleeved on the moving rods, one ends of the springs are connected with the baffle, the other ends of the springs are connected with the jig base, pushing blocks are arranged at one ends, far away from the baffle, of the two groups of moving rods, clamping columns are arranged in the two groups of grooves, a PCB is arranged at the tops of the two groups of clamping columns, moving blocks are arranged in an inner cavity sliding mode, clamping blocks are arranged on one sides, close, and the other end of the pressure spring is connected with the inner wall of the clamping column.

Preferably, an inclined plane is arranged on one side, away from the moving block, of the fixture block, and the inclination of the inclined plane is 45 degrees.

Preferably, the push block is a right-angled triangular block, and the bevel edge of one side of the push block, which is far away from the moving rod, is the same as the bevel edge of the clamping block.

Preferably, the top of the jig base is provided with a rectangular groove matched with the PCB, the jig base is uniformly and vertically provided with heat dissipation holes, and the heat dissipation holes are communicated with the rectangular groove.

Preferably, the bottom of the clamping column is provided with a fixing plate, the bottom of the fixing plate is provided with a first magnet, the bottom of the groove is provided with a second magnet, and the magnetic poles of the adjacent surfaces of the first magnet and the second magnet are the same.

Preferably, the top and the bottom of the moving block are both provided with guide sliding blocks, and the inner walls of the top and the bottom of the clamping column are both provided with guide sliding grooves.

Compared with the prior art, the beneficial effects of the utility model are that: this be used for fixed pothook of PCB of tool, insert the recess through the card post with PCB board bottom, the inclined plane of fixture block can be quick when touchhing the edge of recess in to the card post, the pressure spring is in compression state this moment, when the fixture block moves to be in same horizontal plane with the draw-in groove, under the elastic action of pressure spring, the fixture block blocks into the draw-in groove fast, be favorable to quick installation PCB board, and be difficult to damage the PCB board, when needing to dismantle, only need press two sets of baffles, make the carriage release lever promote the ejector pad and extrude the fixture block in the card post once more and just can dismantle the PCB board, and is convenient and fast.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a jig base; 2. a groove; 3. a circular hole; 4. a card slot; 5. a travel bar; 6. a baffle plate; 7. a spring; 8. clamping the column; 9. a moving block; 10. a clamping block; 11. a pressure spring; 12. a push block; 13. a PCB board; 14. a rectangular groove; 15. a fixing plate; 16. a magnet I; 17. a second magnet; 18. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a fixed clamping hook for fixing a PCB (printed Circuit Board) by a jig comprises a jig base 1, two groups of grooves 2 are formed in the top of the jig base 1, round holes 3 are transversely formed in the left side and the right side of the jig base 1, clamping grooves 4 are formed in the sides, close to the grooves 2, of the two groups of round holes 3, the clamping grooves 4 are communicated with the grooves 2, moving rods 5 are inserted in the two groups of round holes 3, a baffle 6 is installed at one side, far away from the jig base 1, of each group of moving rods 5, springs 7 are sleeved on the moving rods 5, one ends of the springs 7 are connected with the baffle 6, the other ends of the springs 7 are connected with the jig base 1, pushing blocks 12 are installed at the ends, far away from the baffle 6, clamping columns 8 are arranged in the two groups of grooves 2, a PCB 13 is installed at the tops of the two groups of clamping columns 8, moving blocks 9 are slidably arranged, one side of each of the two groups of moving blocks 9, which is far away from the corresponding clamping block 10, is connected with a pressure spring 11, and the other end of each pressure spring 11 is connected with the inner wall of the corresponding clamping column 8.

An inclined plane is arranged on one side, away from the moving block 9, of the fixture block 10, the inclination of the inclined plane is 45 degrees, and the inclined plane of the fixture block 10 ensures that the fixture block 10 can rapidly move into the fixture column 8 when touching the edge of the groove 2;

the pushing block 12 is a right-angled triangular block, and the bevel edge of one side of the pushing block 12, which is far away from the moving rod 5, is the same as the bevel edge of the clamping block 10, so that the pushing block 12 can better push the moving block 9, and the moving block 9 can move out of the clamping groove 4;

the top of the jig base 1 is provided with a rectangular groove 14 matched with the PCB 13, the rectangular groove 14 can ensure that electrical components on the PCB 13 cannot touch the jig base 1, heat dissipation holes 18 are uniformly and vertically formed in the jig base 1, and the heat dissipation holes 18 are communicated with the rectangular groove 14, so that a good heat dissipation environment can be provided when the performance of the PCB 13 is tested;

the fixing plate 15 is arranged at the bottom of the clamping column 8, the first magnet 16 is arranged at the bottom of the fixing plate 15, the second magnet 17 is arranged at the bottom of the groove 2, and magnetic poles of adjacent surfaces of the first magnet 16 and the second magnet 17 are the same, so that the mutual repulsive force between the first magnet 16 and the second magnet 17 can eject the PCB 13 when the push block 12 pushes the moving block 9 to move out of the clamping groove 4 after the test is finished;

the top and the bottom of movable block 9 all install the direction slider, and the top of card post 8 and the bottom inner wall all seted up the direction spout, are favorable to the better slip of movable block 9.

The working principle is as follows: when needing to examine, insert the card post 8 of PCB board 13 bottom in the recess 2, the inclined plane of fixture block 10 can be quick when touchhing the edge of recess 2 to move to in the card post 8, pressure spring 11 is in compression state this moment, when fixture block 10 moves to being in same horizontal plane with draw-in groove 4, under the elastic action of pressure spring 11, fixture block 10 blocks into in the draw-in groove 4 fast, thereby it is fixed with PCB board 13, utilize test fixture to detect PCB board 13, after the detection end, when PCB board 13 need be dismantled, press two sets of baffles 6, make movable rod 5 promote ejector pad 12 with fixture block 10 extrude card post 8 once more, under the effect of magnet 16 and two 17 mutual repulsion of magnet, PCB board 13 is bounced, conveniently take off.

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

Claims

1. The utility model provides a be used for fixed PCB of tool to fix pothook, includes tool base (1), its characterized in that: the jig comprises a jig base (1), wherein two groups of grooves (2) are formed in the top of the jig base (1), round holes (3) are transversely formed in the left side and the right side of the jig base (1), clamping grooves (4) are formed in one sides, close to the grooves (2), of the two groups of round holes (3), the clamping grooves (4) are communicated with the grooves (2), moving rods (5) are inserted in the two groups of round holes (3), a baffle (6) is installed on one side, far away from the jig base (1), of the two groups of moving rods (5), springs (7) are sleeved on the moving rods (5), one ends of the springs (7) are connected with the baffle (6), the other ends of the springs (7) are connected with the jig base (1), pushing blocks (12) are installed on one ends, far away from the baffle (6), of the two groups of moving rods (5), clamping columns (8) are arranged in the two groups of grooves (2), and a PCB (, the inner cavities of the two groups of clamping columns (8) are provided with moving blocks (9) in a sliding mode, clamping blocks (10) are installed on one sides, close to the clamping grooves (4), of the two groups of moving blocks (9), one sides, far away from the clamping blocks (10), of the two groups of moving blocks (9) are connected with compression springs (11), and the other ends of the compression springs (11) are connected with the inner walls of the clamping columns (8).

2. The fixing hook for fixing a PCB by a jig as claimed in claim 1, wherein: an inclined plane is arranged on one side, away from the moving block (9), of the clamping block (10), and the inclination of the inclined plane is 45 degrees.

3. The fixing hook for fixing a PCB by a jig as claimed in claim 1, wherein: the pushing block (12) is a right-angled triangular block, and the bevel edge of one side, far away from the moving rod (5), of the pushing block (12) is the same as the bevel edge of the clamping block (10).

4. The fixing hook for fixing a PCB by a jig as claimed in claim 1, wherein: the jig comprises a jig base (1), wherein the top of the jig base (1) is provided with a rectangular groove (14) matched with a PCB (13), the jig base (1) is uniformly and vertically provided with heat dissipation holes (18), and the heat dissipation holes (18) are communicated with the rectangular groove (14).

5. The fixing hook for fixing a PCB by a jig as claimed in claim 1, wherein: the bottom of the clamping column (8) is provided with a fixing plate (15), the bottom of the fixing plate (15) is provided with a first magnet (16), the bottom of the groove (2) is provided with a second magnet (17), and the magnetic poles of the adjacent surfaces of the first magnet (16) and the second magnet (17) are the same.

6. The fixing hook for fixing a PCB by a jig as claimed in claim 1, wherein: and guide sliding blocks are arranged at the top and the bottom of the moving block (9), and guide sliding grooves are formed in the inner walls of the top and the bottom of the clamping column (8).