CN215339952U

CN215339952U - PCB test fixture

Info

Publication number: CN215339952U
Application number: CN202120640076.6U
Authority: CN
Inventors: 刘德荣
Original assignee: Guangdong Yingchuang Technology Co ltd
Current assignee: Guangdong Yingchuang Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-28
Anticipated expiration: 2031-03-29

Abstract

The utility model is suitable for the technical field of clamps, and provides a PCB testing clamp which comprises a bottom plate, wherein two transverse chutes are arranged on the bottom plate, a moving plate is arranged at the upper parts of the transverse chutes, two sliding blocks are arranged at the bottom of the moving plate, the sliding blocks are connected with the transverse chutes in a sliding manner, a vertical chute is arranged at the top of the moving plate, a movable block is arranged on the moving plate, the movable block is connected with the vertical chute in a sliding manner, a connecting rod is arranged at one side of the movable block, a fixed clamp is arranged at the front end of the connecting rod, the fixed clamp comprises an upper clamp plate, a lower clamp plate, a rotating shaft and a spring, the rear end of the lower clamp plate is fixedly connected with the front end of the connecting rod, the upper clamp plate is rotatably connected with the lower clamp plate through the rotating shaft, the upper end of the spring is fixedly connected with the bottom of the upper clamp plate, the lower part of the upper part of the lower clamp plate is fixedly connected with the upper part of the lower clamp plate, two positioning blocks are arranged at the upper part of the bottom plate, the positioning blocks are composed of a positioning plate, a supporting column and a supporting seat, the supporting seat is fixedly connected with the supporting seat, the problem of current PCB board anchor clamps can not effectively fix a position, lack the universality to the PCB board is solved.

Description

PCB test fixture

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a PCB testing clamp.

Background

The PCB, which is called a printed circuit board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical interconnection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating bottom plate, a connecting lead and a welding disc for assembling and welding electronic elements, and has double functions of a conductive circuit and the insulating bottom plate. The circuit can replace complex wiring to realize electrical connection among elements in the circuit, thereby simplifying the assembly and welding work of electronic products, reducing the wiring workload in the traditional mode and greatly lightening the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. In the manufacturing process of the PCB, the PCB must be tested in order to ensure the quality of the PCB. In testing, the PCB is usually fixed by using a jig.

However, there are still areas in the prior art PCB board test fixtures that can be improved: 1. in the production process of large-batch PCB boards, multiple tests are often required, the existing clamp cannot effectively position the PCB boards, and the position of each clamping has slight difference, so that the position of a test needle needs to be readjusted during testing; 2. the existing PCB clamp has poor universality, generally one clamp can only clamp a corresponding PCB, and the position and the size of the clamp can not be adjusted according to requirements for PCBs with different specifications.

SUMMERY OF THE UTILITY MODEL

The utility model provides a PCB testing clamp, and aims to solve the problems that the existing PCB clamp cannot effectively position a PCB and is lack of universality.

The utility model is realized in such a way, and the PCB testing clamp is characterized by comprising a bottom plate, wherein two transverse sliding grooves are arranged on the bottom plate, a moving plate is arranged at the upper parts of the transverse sliding grooves, two sliding blocks are arranged at the bottom of the moving plate, the sliding blocks are connected with the transverse sliding grooves in a sliding manner, a vertical sliding groove is arranged at the top of the moving plate, a moving block is arranged on the moving plate, the moving block is connected with the vertical sliding groove in a sliding manner, a connecting rod is arranged at one side of the moving block, a fixing clamp is arranged at the front end of the connecting rod, the fixing clamp comprises an upper clamping plate, a lower clamping plate, a rotating shaft and a spring, the rear end of the lower clamping plate is fixedly connected with the front end of the connecting rod, the upper clamping plate is rotatably connected with the lower clamping plate through the rotating shaft, the upper end of the spring is fixedly connected with the bottom of the upper clamping plate, and the lower part of the spring is fixedly connected with the upper part of the lower clamping plate, the upper portion of the bottom plate is provided with two positioning blocks, each positioning block is composed of a positioning plate, a supporting column and a supporting seat, and the supporting columns are fixedly connected with the supporting seats.

Furthermore, the bottom plate both sides all are provided with the mounting panel, the mounting panel both ends all are provided with the mounting hole.

Furthermore, rubber pads are arranged on the inner sides of the front ends of the upper clamping plate and the lower clamping plate.

Furthermore, the rear end of the upper splint is provided with a pressing handle.

Furthermore, the bottom of the positioning plate is provided with a threaded column, a threaded hole is formed in the middle of the supporting column, and the threaded column is in threaded connection with the threaded hole.

Furthermore, the supporting seat is a magnet, and the supporting seat is magnetically connected with the bottom plate.

The beneficial technical effects related to the implementation of the utility model are as follows: owing to be provided with the locating piece, so can effectively fix a position PCB board before the centre gripping, then carry out the centre gripping to it fixed, the PCB board centre gripping fixed position is the same around guaranteeing, owing to be provided with horizontal spout and vertical spout, so the fixation clamp can move on four directions about from top to bottom, can adapt to the PCB board of different specifications, because locating plate and support column are threaded connection, so can adjust the height of PCB board location as required.

Drawings

FIG. 1 is a schematic view of a first 3D viewing angle structure according to the present invention;

FIG. 2 is a schematic diagram of a second 3D viewing angle structure according to the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 1 at A;

fig. 4 is a partial cross-sectional view of the structure at B in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 4, the utility model is a PCB testing fixture, which is characterized in that the PCB testing fixture comprises a bottom plate 1, two transverse sliding grooves 2 are arranged on the bottom plate 1, a moving plate 3 is arranged on the upper portion of the transverse sliding grooves 2, two sliding blocks 4 are arranged on the bottom of the moving plate 3, the sliding blocks 4 are slidably connected with the transverse sliding grooves 2, a vertical sliding groove 5 is arranged on the top of the moving plate 3, a movable block 6 is arranged on the moving plate 3, the movable block 6 is slidably connected with the vertical sliding groove 5, a connecting rod 7 is arranged on one side of the movable block 6, a fixing clamp 8 is arranged on the front end of the connecting rod 7, the fixing clamp 8 is composed of an upper clamp plate 801, a lower clamp plate 802, a rotating shaft 803 and a spring 804, the rear end of the lower clamp plate 802 is fixedly connected with the front end of the connecting rod 7, the upper clamp plate 801 is rotatably connected with the lower clamp plate 802 through the rotating shaft 803, the upper end of the spring 804 is fixedly connected with the bottom of the upper clamp plate 801, the lower part is fixedly connected with the upper clamp plate 802, two positioning blocks 9 are arranged on the upper portion of the bottom plate 1, each positioning block 9 is composed of a positioning plate 901, a supporting column 902 and a supporting seat 903, and the supporting column 902 is fixedly connected with the supporting seat 903.

The mounting plates 10 are arranged on two sides of the bottom plate 1, and mounting holes 11 are formed in two ends of each mounting plate 10 and used for fixedly mounting the clamp.

The rubber pads 805 are arranged on the inner sides of the front ends of the upper clamping plate 801 and the lower clamping plate 802 respectively, so that friction force is increased, clamping looseness is prevented, a buffering effect is achieved, and the PCB is prevented from being damaged by clamping.

The rear end of the upper clamping plate 801 is provided with a pressing handle 806, which is convenient for pressing down the upper clamping plate 801 to release clamping.

The bottom of the positioning plate 901 is provided with a threaded column 904, the middle of the support column 902 is provided with a threaded hole 905, the threaded column 904 is in threaded connection with the threaded hole 905, and the height of the positioning plate 901 can be adjusted as required.

Supporting seat 903 is magnet, and supporting seat 903 is connected with 1 magnetism of bottom plate, can guarantee that locating piece 9 can not squint, can put the position of locating piece 9 again at will, can fix a position the PCB board of difference.

The working principle of the utility model is as follows: when the PCB testing device is used, the PCB testing device is arranged at a specified position through the mounting plate 10 and the mounting hole 11, the position of the positioning block 9 is adjusted according to a PCB to be tested, after the adjustment is finished, the PCB is placed on the positioning block 9, then the fixed clamp 8 is moved to the position near the PCB by sliding the movable plate 3 and the movable block 6, the pressing handle 806 is pressed to open the fixed clamp 8, then the fixed clamp 8 is moved to clamp the PCB, the other three fixed clamps 8 are operated according to the operation, after the movement of the four fixed clamps 8 is finished, the clamping and fixing of the PCB are finished, then the PCB can be tested, after the test is finished, each fixed clamp 8 is sequentially loosened, but the position of the positioning block 9 is not moved, the next PCB to be tested is directly placed on the positioning block 9, then the clamping is carried out by the operation, therefore, the front and back clamping positions of the same PCB can be ensured to be the same without adjusting a testing needle, the testing efficiency is improved, and the positioning block 9 and the fixing clamp 8 can be moved to proper positions for positioning and clamping different PCB boards.

The beneficial technical effects related to the implementation of the utility model are as follows: owing to be provided with locating piece 9, so can effectively fix a position PCB board before the centre gripping, then carry out the centre gripping to it fixed again, PCB board centre gripping fixed position is the same around guaranteeing, owing to be provided with horizontal spout 2 and vertical spout 5, so fixation clamp 8 can move on four directions about from top to bottom, can adapt to the PCB board of different specifications, because locating plate 901 and support column 902 are threaded connection, so can adjust the height of PCB board location as required.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a PCB board test fixture which characterized in that: comprises a bottom plate (1), two transverse sliding grooves (2) are arranged on the bottom plate (1), a movable plate (3) is arranged on the upper portions of the transverse sliding grooves (2), two sliding blocks (4) are arranged at the bottom of the movable plate (3), the sliding blocks (4) are in sliding connection with the transverse sliding grooves (2), a vertical sliding groove (5) is arranged at the top of the movable plate (3), a movable block (6) is arranged on the movable plate (3), the movable block (6) is in sliding connection with the vertical sliding groove (5), a connecting rod (7) is arranged on one side of the movable block (6), a fixing clamp (8) is arranged at the front end of the connecting rod (7), the fixing clamp (8) is composed of an upper clamp plate (801), a lower clamp plate (802), a rotating shaft (803) and a spring (804), and the rear end of the lower clamp plate (802) is fixedly connected with the front end of the connecting rod (7), the upper clamping plate (801) is rotatably connected with the lower clamping plate (802) through the rotating shaft (803), the upper end of the spring (804) is fixedly connected with the bottom of the upper clamping plate (801), the lower end of the spring is fixedly connected with the upper portion of the lower clamping plate (802), two positioning blocks (9) are arranged on the upper portion of the bottom plate (1), each positioning block (9) is composed of a positioning plate (901), a supporting column (902) and a supporting seat (903), and the supporting column (902) is fixedly connected with the supporting seat (903).

2. The PCB board test fixture of claim 1, wherein: the mounting plate (10) is arranged on each of two sides of the bottom plate (1), and mounting holes (11) are formed in two ends of each mounting plate (10).

3. The PCB board test fixture of claim 1, wherein: the inner sides of the front ends of the upper clamping plate (801) and the lower clamping plate (802) are respectively provided with a rubber pad (805).

4. The PCB board test fixture of claim 1, wherein: the rear end of the upper clamping plate (801) is provided with a pressing handle (806).

5. The PCB board test fixture of claim 1, wherein: the bottom of the positioning plate (901) is provided with a threaded column (904), the middle of the supporting column (902) is provided with a threaded hole (905), and the threaded column (904) is in threaded connection with the threaded hole (905).

6. The PCB board test fixture of claim 1, wherein: the supporting seat (903) is a magnet, and the supporting seat (903) is magnetically connected with the bottom plate (1).