CN211236125U

CN211236125U - Manual ICT test fixture

Info

Publication number: CN211236125U
Application number: CN201921548310.1U
Authority: CN
Inventors: 廖楚弟
Original assignee: Shenzhen Qiangxinyuan Electronic Co ltd
Current assignee: Shenzhen Qiangxinyuan Electronic Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-08-11
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a manual ICT test fixture, which comprises a substrate, the fixed surface of base plate is connected with the stand, the top fixedly connected with of stand links the board, the surperficial threaded connection of even board has the screw rod, the one end of screw rod runs through the bottom of linking the board, the bottom fixedly connected with bearing of screw rod, interior circle fixedly connected with clamp plate of bearing, first ring through-hole has been seted up on the surface of clamp plate, second ring through-hole and third ring through-hole, first ring through-hole, the equal sliding connection of inner wall of second ring through-hole and third ring through-hole has the threaded rod, the surface of base plate is provided with the test faller, the fixed surface of test faller is connected with the connecting rod, through being provided with clamp plate and threaded rod, position and the number according to circuit board condition moderate degree adjustment threaded rod, ensure can not extrude the important position.

Description

Manual ICT test fixture

Technical Field

The utility model relates to a ICT test fixture's technical field specifically is a manual ICT test fixture.

Background

The ICT test fixture is an on-line detection and test fixture, and is a standard test device for testing the electrical performance and electrical connection of on-line components to check defects in production and manufacture and defects of the components.

At present, in the using process of a manual ICT test fixture, most of pressing columns do not have the moving function, important parts on the surface of a circuit board are pressed, the existing manual ICT test fixture does not have shock absorption in the pressing process, test specimen deviation can occur, and therefore the manual ICT test fixture convenient for moving the pressing columns and having the shock absorption effect is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual ICT test fixture to solve current ICT test fixture and push down the problem that the skew appears in the process that the post can not remove and push down.

In order to achieve the above object, the utility model provides a following technical scheme: a manual ICT test fixture comprises a base plate, wherein the surface of the base plate is fixedly connected with an upright post, the top end of the upright post is fixedly connected with a connecting plate, the surface of the connecting plate is in threaded connection with a screw rod, one end of the screw rod penetrates through the bottom end of the connecting plate, the bottom end of the screw rod is fixedly connected with a bearing, the inner circle of the bearing is fixedly connected with a pressing plate, the surface of the pressing plate is provided with a first circular ring through hole, a second circular ring through hole and a third circular ring through hole, the inner walls of the first circular ring through hole, the second circular ring through hole and the third circular ring through hole are all connected with threaded rods in a sliding way, a test needle plate is arranged on the surface of the base plate, a connecting rod is fixedly connected on the surface of the test needle plate, the surface of the connecting rod is connected with a bearing plate in a sliding way, the bottom end of the bearing plate is fixedly connected with a spring, the surface of the spring is wound around the periphery of the connecting rod, and the other end of the spring is fixedly connected with the surface of the test needle plate.

Preferably, the surface of the test needle plate is fixedly provided with a test needle, the surface of the bearing plate is provided with a groove, and the bottom end of the groove is provided with an insertion hole.

Preferably, the number of the connecting rods is four, and the top ends of the four connecting rods are fixedly connected with limiting blocks.

Preferably, the surface of threaded rod is connected with the nut by screw thread, the fixed surface of threaded rod is connected with the spacing ring, the bottom fixedly connected with connecting rod of threaded rod, the bottom fixed mounting of connecting rod has rubber.

Preferably, the number of the stand columns is two, the top ends of the two stand columns penetrate through the pressing plate, and one end of the screw rod is fixedly connected with the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the pressing plate and the threaded rods are arranged, so that the positions and the number of the threaded rods are properly adjusted according to the condition of the circuit board, the circuit board is prevented from being extruded to important positions, and the purpose of protecting a circuit board test piece is achieved;

2. through being provided with spring and connecting rod, at the process that the clamp plate pushed down, start absorbing purpose, the accurate contact of test needle of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the pressing plate of the present invention;

fig. 3 is a sectional view of the threaded rod of the present invention.

In the figure: 1. a substrate; 2. a connecting rod; 3. a column; 4. a connecting rod; 5. a nut; 6. a threaded rod; 7. A third annular through hole; 8. a handle; 9. a screw; 10. a bearing; 11. a limiting ring; 12. a limiting block; 13. A spring; 14. testing the needle plate; 15. a bearing plate; 16. pressing a plate; 17. a test pin; 18. a jack; 19. A groove; 20. connecting plates; 21. a first annular through hole; 22. a second annular through hole.

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, fig. 2 and fig. 3, the present invention provides a technical solution: a manual ICT test fixture comprises a substrate 1, a vertical column 3 is fixedly connected to the surface of the substrate 1, a connecting plate 20 is fixedly connected to the top end of the vertical column 3, a screw rod 9 is in threaded connection with the surface of the connecting plate 20, one end of the screw rod 9 penetrates through the bottom end of the connecting plate 20, a bearing 10 is fixedly connected to the bottom end of the screw rod 9, a pressing plate 16 is fixedly connected to the inner circle of the bearing 10, the pressing plate 16 is in a circular plate shape, a first circular ring through hole 21, a second circular ring through hole 22 and a third circular ring through hole 7 are formed in the surface of the pressing plate 16, threaded rods 6 are respectively connected to the inner walls of the first circular ring through hole 21, the second circular ring through hole 22 and the third circular ring through hole 7 in a sliding mode, a test needle plate 14 is arranged on the surface of the substrate 1, a connecting rod 2 is fixedly connected to the surface of the test needle plate 14, a bearing plate, the number of the springs 13 is four, the surfaces of the springs 13 are wound around the periphery of the connecting rod 2, and the other ends of the springs 13 are fixedly connected with the surface of the test needle plate 14.

Referring to fig. 1, a test needle 17 is fixedly mounted on the surface of the test needle plate 14, a groove 19 is formed on the surface of the receiving plate 15, and a socket 18 is formed at the bottom end of the groove 19.

Referring to fig. 1, the number of the connecting rods 2 is four, and the top ends of the four connecting rods 2 are fixedly connected with limit blocks 12.

Referring to fig. 1, 2 and 3, threaded rod 6's surperficial threaded connection has nut 5, and threaded rod 6's fixed surface is connected with spacing ring 11, and through being provided with spacing ring 11 and nut 5, the fixed threaded rod 6 of being convenient for, the bottom fixedly connected with connecting rod 4 of threaded rod 6, the bottom fixed mounting of connecting rod 4 has rubber, and through being provided with rubber, the protection circuit board test piece of being convenient for.

Referring to fig. 1 and 2, the number of the upright columns 3 is two, the top ends of the two upright columns 3 penetrate through the pressing plate 16, and one end of the screw 9 is fixedly connected with the handle 8.

The utility model discloses when concrete implementation: rotating a handle 8 in a manual ICT test fixture, driving a screw rod 9 to rotate upwards by the handle 8, driving a bearing 10 and a pressing plate 16 to move by the screw rod 9, vertically moving the pressing plate 16 upwards under the action of two upright posts 3, stopping rotating the handle 8 after moving for a proper distance, cleaning dust in a groove 19 in a bearing plate 15, then placing a circuit board test piece in the groove 19, rotating a nut 5 on the surface of a threaded rod 6 according to the condition of the circuit board test piece until the threaded rod 6 can move, sliding the threaded rod 6 along the inner wall of a first circular ring through hole 21, rotating the nut 5 after sliding to a proper position, screwing the nut 5 until the threaded rod 6 is fixed, repeating the operation to move and fix the rest threaded rods 6, properly increasing the threaded rod 6 according to the circuit board test piece, achieving the purpose of conveniently pressing and fixing the circuit board test piece, and in the process of pressing the pressing plate 16, through being provided with rubber, reach the purpose of protection circuit board test piece, after rubber contacts the circuit board test piece, can continue to push down, through being provided with four connecting rods 2 and spring 13, reach the purpose that steadily pushes down and reduce and rock, the test needle 17 of being convenient for passes through jack 18 and circuit board test piece contact, does benefit to the test.

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 manual ICT test fixture, includes base plate (1), its characterized in that: the surface of the base plate (1) is fixedly connected with an upright column (3), the top end of the upright column (3) is fixedly connected with a connecting plate (20), the surface of the connecting plate (20) is in threaded connection with a screw rod (9), one end of the screw rod (9) penetrates through the bottom end of the connecting plate (20), the bottom end of the screw rod (9) is fixedly connected with a bearing (10), the inner circle of the bearing (10) is fixedly connected with a pressing plate (16), the surface of the pressing plate (16) is provided with a first circular ring through hole (21), a second circular ring through hole (22) and a third circular ring through hole (7), the inner walls of the first circular ring through hole (21), the second circular ring through hole (22) and the third circular ring through hole (7) are all in sliding connection with a threaded rod (6), the surface of the base plate (1) is provided with a test needle plate (14), the surface of the test needle plate (, the surface sliding connection of connecting rod (2) has accepts board (15), the bottom fixedly connected with spring (13) of accepting board (15), the surface of spring (13) is around locating connecting rod (2), the other end of spring (13) and the fixed surface of test faller (14) are connected.

2. The manual ICT test fixture of claim 1, characterized in that: the surface of the test needle plate (14) is fixedly provided with a test needle (17), the surface of the bearing plate (15) is provided with a groove (19), and the bottom end of the groove (19) is provided with an insertion hole (18).

3. The manual ICT test fixture of claim 1, characterized in that: the number of the connecting rods (2) is four, and the top ends of the four connecting rods (2) are fixedly connected with limiting blocks (12).

4. The manual ICT test fixture of claim 1, characterized in that: the surface threaded connection of threaded rod (6) has nut (5), the fixed surface of threaded rod (6) is connected with spacing ring (11), the bottom fixedly connected with connecting rod (4) of threaded rod (6), the bottom fixed mounting of connecting rod (4) has rubber.

5. The manual ICT test fixture of claim 1, characterized in that: the number of stand (3) is two, and clamp plate (16) all run through on the top of two stand (3), the one end fixedly connected with handle (8) of screw rod (9).