CN218824568U

CN218824568U - Simple screw tool for switching on and off of heavy-current power supply

Info

Publication number: CN218824568U
Application number: CN202222590793.XU
Authority: CN
Inventors: 蔡桂鑫; 朱彦飞; 李峰
Original assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Current assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-04-07
Anticipated expiration: 2032-09-29

Abstract

The utility model aims at providing a simple and easy screw frock for heavy current power break-make that simple structure, occupation space is little, and the cost ratio is lower, break-make easy and simple to handle swift. The utility model discloses a support plate and break-make module, the examination circuit board that awaits measuring is placed on the support plate, the break-make module includes mount pad and a plurality of break-make subassembly, the break-make subassembly is including leading electrical pillar, binding post and housing screw, it is in to lead the electrical pillar setting on the mount pad, binding post sets up lead on the electrical pillar, housing screw passes behind the mount pad with the examination circuit board threaded connection that awaits measuring. The utility model discloses be applied to circuit board test technical field.

Description

Simple screw tool for switching on and off of large-current power supply

Technical Field

The utility model discloses be applied to circuit board test technical field, in particular to a simple and easy screw frock for heavy current power break-make.

Background

The test probe is widely applied to the test of various circuit boards, the probe core area, the material conductivity, the material gold plating and the like of each type of probe have the requirements of specified rated current, if the current of the probe exceeds the rated value in the test process, the service life of the probe can be seriously influenced, even the probe can be directly burned out, and unnecessary loss is caused.

A conventional patent document with publication number CN204903712U proposes a circuit board probe tester, which includes a workbench, a pressing mechanism and a needle plate, wherein the needle plate is mounted on the workbench, the needle plate is provided with probes corresponding to the positions of the circuit boards, the circuit board to be tested is placed between the pressing mechanism and the needle plate, and the pressing mechanism drives the test circuit board to contact with the probes. Although the probe tester has high automation degree, the probe tester has large volume, and for a test station with limited space, the probe tester is difficult to place at a proper position to carry out on-off test of a large-current power supply on a circuit board, and is easy to interfere with other parts of equipment. In addition, the probe tester needs higher cost, and for a small batch of circuit boards to be tested, the expensive tester is not economical to use for carrying out on-off test of a large current power supply. If a simple screw tool for switching on and off a large-current power supply, which has the advantages of simple structure, small occupied space, low cost and simple and quick switching-on and switching-off operation, can be designed, the problems can be well solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a simple structure, occupation space is little, and the cost is lower, and break-make is easy and simple to handle swift simple and easy screw frock that is used for the heavy current power break-make.

The utility model adopts the technical proposal that: the utility model discloses a support plate and break-make module, the examination circuit board that awaits measuring is placed on the support plate, the break-make module includes mount pad and a plurality of break-make subassembly, the break-make subassembly is including leading electrical pillar, binding post and housing screw, it is in to lead the electrical pillar setting on the mount pad, binding post sets up lead on the electrical pillar, housing screw passes behind the mount pad with the examination circuit board threaded connection that awaits measuring.

Furthermore, the mounting base comprises a bottom plate, a cover plate and a plurality of fixing screws, the bottom plate is provided with a plurality of positioning holes, the conductive posts are matched in the positioning holes, the conductive posts are arranged between the cover plate and the bottom plate, the fixing screws penetrate through the cover plate and then are in threaded connection with the bottom plate, and the bottoms of the conductive posts are exposed out of the lower end face of the bottom plate.

Further, a simple and easy screw frock for heavy current power break-make still includes a plurality of product stopper, a plurality of product stopper encircles the setting and is in on the support plate.

Furthermore, a plurality of positioning grooves are further formed in the bottom plate, the positioning grooves are located on the periphery of the positioning holes, positioning blocks are arranged on the conductive posts, and the positioning blocks are matched with the positioning grooves.

Furthermore, a plurality of first through holes are formed in the cover plate, a first limiting boss is arranged on the inner wall of each first through hole, the fixing screws penetrate through the first through holes, and screw heads of the fixing screws are pressed against the first limiting bosses.

Furthermore, a second through hole is formed in the conductive column, and the compression screw penetrates through the cover plate and the second through hole in sequence and then is in threaded connection with a circuit board to be tested.

Furthermore, a third through hole is formed in the wiring terminal, a positioning boss is arranged on the conductive column, the positioning boss is matched with the third through hole, and the wiring terminal is located between the positioning block and the screw head of the compression screw.

The beneficial effects of the utility model are that: the on-off module is placed on a circuit board to be tested, the conductive column is made to be in contact with a PAD point of the circuit board to be tested, then the compression screw is locked, so that stable contact between the conductive column and the PAD point is guaranteed, and then a large-current power supply test is conducted on the circuit board. When a large-current disconnection test needs to be carried out on the circuit board, the compression screw is firstly unscrewed, and then the on-off module is lifted up, so that the conductive column is separated from the PAD point, and disconnection detection can be realized. Consequently, with traditional circuit board probe tester relative ratio, the utility model discloses not only simple structure, occupation space is little, and the cost is also low moreover, is fit for being used for the test of small batch volume circuit board, also is fit for assembling in the limited test station in space, and the break-make switches easy operation convenience.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a first perspective view of the on/off module;

FIG. 3 is a second perspective view of the on/off module;

FIG. 4 is an exploded view of the on/off module.

Detailed Description

As shown in fig. 1 to 4, in this embodiment, the utility model discloses a support plate 1 and break-make module 2, the circuit board 3 that awaits measuring is placed on support plate 1, its characterized in that: the on-off module 2 comprises a mounting seat and a plurality of on-off assemblies, each on-off assembly comprises a conductive column 4, a wiring terminal 5 and a compression screw 6, the conductive columns 4 are arranged on the mounting seat, the wiring terminals 5 are arranged on the conductive columns 4, and the compression screws 6 penetrate through the mounting seat and then are in threaded connection with the circuit board 3 to be tested. The connecting terminal 5 is connected with a power line 19 of an external testing machine.

In this embodiment, when the circuit board 3 needs to be tested, the on-off module 2 is first placed on the circuit board 3 to be tested, so that the conductive post 4 contacts with the PAD point of the circuit board 3, and then the compression screw 6 is locked, so as to ensure that the conductive post 4 and the PAD point are stably contacted, and then the circuit board 3 is subjected to a large-current power supply test; when a large-current disconnection test needs to be performed on the circuit board 3, the compression screw 6 is firstly unscrewed, and then the on-off module 2 is lifted up, so that the conductive column 4 is separated from the PAD point, and disconnection detection can be realized. Consequently, with traditional circuit board probe tester relative ratio, the utility model discloses not only simple structure, occupation space is little, and the cost is also low moreover, is fit for being used for the test of small batch volume circuit board, also is fit for assembling in the limited test station in space, and the break-make switches easy operation convenience.

In this embodiment, the mounting base includes a bottom plate 7, a cover plate 8 and a plurality of fixing screws 9, a plurality of positioning holes 10 are provided on the bottom plate 7, the conductive post 4 is adapted in the positioning hole 10, the conductive post 4 is disposed between the cover plate 8 and the bottom plate 7, the fixing screws 9 are connected with the bottom plate 7 through threads after penetrating through the cover plate 8, and the bottom of the conductive post 4 is exposed out of the lower end surface of the bottom plate 7. If the conductive column 4 or the wiring terminal 5 is damaged, the fixing screw 9 can be detached, so that the cover plate 8 can be taken down, and then the conductive column 4 or the wiring terminal 5 can be replaced, the operation is simple, convenient and quick, and the maintenance efficiency is high.

In this embodiment, a simple and easy screw frock for heavy current power break-make still includes a plurality of product stopper 11, and a plurality of product stopper 11 encircles the setting and is in on the support plate 1. Wherein, a plurality of product stopper 11 plays limiting displacement to circuit board 3, avoids circuit board 3 to appear the problem of off normal.

In this embodiment, the bottom plate 7 is further provided with a plurality of positioning grooves 12, the positioning grooves 12 are located on the periphery of the positioning hole 10, the conductive column 4 is provided with positioning blocks 13, and the positioning blocks 13 are matched with the positioning grooves 12. The positioning block 13 is adapted to the positioning groove 12, so that the conductive pillar 4 is accurately assembled on the bottom plate 7.

In this embodiment, the cover plate 8 is provided with a plurality of first through holes 14, the inner wall of the first through hole 14 is provided with a first limiting boss 15, the fixing screw 9 passes through the first through hole 14, and the screw head of the fixing screw 9 is pressed against the first limiting boss 15.

In this embodiment, the cover plate 8 is further provided with a plurality of fourth through holes 20.

In this embodiment, the conductive post 4 is provided with a second through hole 16, and the hold-down screw 6 sequentially penetrates through the fourth through hole 20 and the second through hole 16 and then is in threaded connection with the circuit board 3 to be tested. It can be seen that the compression screw 6 compresses the conductive pin 4 against the base plate 7.

In this embodiment, a third through hole 17 is formed in the connection terminal 5, a positioning boss 18 is arranged on the conductive post 4, the positioning boss 18 is adapted to the third through hole 17, and the connection terminal 5 is located between the positioning block 13 and the screw head of the compression screw 6. Therefore, the wiring terminal 5 is sleeved on the positioning boss 18, and the positioning block 13 and the screw head of the compression screw 6 limit the freedom degree of the wiring terminal 5 in moving up and down, so that the wiring terminal 5 is ensured to be in stable contact with the conductive column 4, and the conduction of a circuit is ensured.

Claims

1. The utility model provides a simple and easy screw frock for heavy current power break-make, it includes support plate (1) and break-make module (2), and the awaiting measuring circuit board (3) of awaiting measuring is placed on support plate (1), its characterized in that: the on-off module (2) comprises a mounting seat and a plurality of on-off assemblies, each on-off assembly comprises a conductive column (4), a wiring terminal (5) and a compression screw (6), the conductive columns (4) are arranged on the mounting seat, the wiring terminals (5) are arranged on the conductive columns (4), and the compression screws (6) penetrate through the mounting seat and then are in threaded connection with a circuit board (3) to be tested.

2. The simple screw tool for switching on and off a high-current power supply according to claim 1, characterized in that: the mounting seat comprises a bottom plate (7), a cover plate (8) and a plurality of fixing screws (9), wherein the bottom plate (7) is provided with a plurality of positioning holes (10), the conductive columns (4) are matched in the positioning holes (10), the conductive columns (4) are arranged between the cover plate (8) and the bottom plate (7), the fixing screws (9) penetrate through the cover plate (8) and then are in threaded connection with the bottom plate (7), and the bottoms of the conductive columns (4) are exposed out of the lower end face of the bottom plate (7).

3. The simple screw tool for switching on and off a high-current power supply according to claim 1, characterized in that: the simple screw tool for the on-off of the large-current power supply further comprises a plurality of product limiting blocks (11), and the product limiting blocks (11) are arranged on the carrier plate (1) in a surrounding mode.

4. The simple screw tool for switching on and off a high-current power supply according to claim 2, characterized in that: the bottom plate (7) is further provided with a plurality of positioning grooves (12), the positioning grooves (12) are located on the periphery of the positioning holes (10), positioning blocks (13) are arranged on the conductive posts (4), and the positioning blocks (13) are matched with the positioning grooves (12).

5. The simple screw tool for switching on and off a high-current power supply according to claim 2, characterized in that: the cover plate (8) is provided with a plurality of first through holes (14), the inner wall of each first through hole (14) is provided with a first limiting boss (15), the fixing screw (9) penetrates through the first through holes (14), and the screw head of the fixing screw (9) is pressed against the first limiting bosses (15).

6. The simple screw tool for switching on and off a high-current power supply according to claim 2, characterized in that: and a second through hole (16) is formed in the conductive post (4), and the compression screw (6) sequentially penetrates through the cover plate (8) and the second through hole (16) and then is in threaded connection with the circuit board (3) to be tested.

7. The simple screw tool for switching on and off a high-current power supply according to claim 4, characterized in that: be equipped with third through-hole (17) on binding post (5), be provided with location boss (18) on leading electrical pillar (4), location boss (18) adaptation is in third through-hole (17), binding post (5) are located locating piece (13) with between the spiral shell head of housing screw (6).