CN212905291U

CN212905291U - Jig for PCB testing

Info

Publication number: CN212905291U
Application number: CN202022222574.7U
Authority: CN
Inventors: 杨锋; 邓鹏�
Original assignee: Shenzhen Mankun Electronics Co ltd
Current assignee: Shenzhen Mankun Electronics Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-04-06
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a tool is used in PCB test, including the plummer, plummer upper end fixed mounting has the supporter, supporter upper end fixed mounting has the cylinder, the telescopic link lower extreme of cylinder runs through supporter fixed mounting and has the fly leaf, fly leaf lower extreme fixed mounting has the test body, test body lower extreme activity is provided with the probe, the fixed belt feeder that is provided with of both ends inner wall about the plummer. This tool is used in PCB test, through setting up the test body, spring and probe, the effect of the scalable use of probe when the test has been realized, realized the detection achievement to unevenness's circuit board, facilitate the use, through setting up conductor section of thick bamboo and conductor block, realized keeping the effect of signal of telecommunication transmission at the flexible in-process of probe, do benefit to going on of test achievement, through the test body in fly leaf lower extreme evenly distributed's setting, realized once only carrying out the effect that detects to a plurality of components, it is quick to detect.

Description

Jig for PCB testing

Technical Field

The utility model relates to a circuit board test equipment technical field specifically is a tool is used in PCB test.

Background

The test fixture belongs to a category under the fixture, and is a fixture specially used for testing and experimenting functions, power calibration, service life, performance and the like of a product.

The circuit board test fixture generally adopts manual pressing plate test, the automation is not high, the existing PCB test fixture can not realize rapid detection of elements on the PCB, and the probe for test does not have the telescopic function and is difficult to test the elements with different heights on the PCB.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool is used in PCB test has realized the effect of the scalable use of probe when the test, is convenient for to the detection achievement of unevenness's circuit board, has solved the unable short not uniform component of component to on the PCB board of realization of current tool is used in PCB test and has tested the problem that is difficult to the PCB board.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tool is used in PCB test, includes the plummer, plummer upper end fixed mounting has the supporter, supporter upper end fixed mounting has the cylinder, the telescopic link lower extreme of cylinder runs through supporter fixed mounting and has the fly leaf, fly leaf lower extreme fixed mounting has the test body, test body lower extreme activity is provided with the probe, the fixed belt feeder that is provided with of both ends inner wall about the plummer, plummer upper end left edge department fixed mounting has the first stopper of symmetry, plummer upper end right edge department fixed mounting has the second stopper of symmetry, plummer top activity is provided with first gag lever post and second gag lever post, plummer upper end activity is provided with first limiting plate and second limiting plate.

Preferably, the test body is in fly leaf lower extreme evenly distributed, the supporter is "L" type structure, supporter upper end fixed mounting has the display screen, both ends four corners edge runs through about the supporter and has seted up the guide way, fly leaf upper end four corners edge fixed mounting has the guide bar, the guide bar upper end runs through the guide way and extends to the supporter top, guide bar and guide way looks adaptation.

Preferably, first limiting plate upper end fixed mounting has first block rubber, second limiting plate upper end fixed mounting has the second block rubber, first limiting plate and second limiting plate are the same kind of structure, first block rubber and second block rubber are the same kind of structure, the horizontal distance at both ends equals with the horizontal interval of two test bodies about the first limiting plate.

Preferably, the inner wall of the upper end of the testing body is fixedly provided with a first limiting body, the inner wall of the lower end of the testing body is fixedly provided with a second limiting body, the second limiting body is of an annular column structure, and the inner wall of the second limiting body is attached to the outer wall of the probe.

Preferably, first spacing body is down "U" shape structure, first spacing body lower extreme fixed mounting has the fixed block, fixed block lower extreme fixed mounting has the spring, first spacing body inner wall fixed mounting has conductor section of thick bamboo, probe upper end fixed mounting has the conductor block, the conductor block outer wall is laminated with conductor section of thick bamboo inner wall mutually, the conductor block upper end is connected with the spring lower extreme, test body lower extreme and lower extreme inner wall run through and have seted up first spacing hole, first spacing downthehole wall is laminated with the probe outer wall mutually.

Preferably, the thread groove has been fixed to have seted up of second limiting plate right-hand member, first stopper and second stopper are the same kind of structure, the second stopper is controlled both ends and is run through and has seted up the spacing hole of second, first gag lever post right-hand member outer wall is fixed and is provided with first external screw thread layer, the fixed second external screw thread layer that is provided with of second gag lever post left end outer wall, first external screw thread layer and second external screw thread layer are the same kind of structure and all with thread groove looks adaptation.

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

1. the PCB testing jig has the advantages that by arranging the testing body, the spring and the probe, the effect of telescopic use of the probe during testing is realized, the detection work on the uneven circuit board is realized, the use is convenient, the effect of keeping electric signal transmission in the probe telescopic process is realized by arranging the conductor cylinder and the conductor block, the test work is facilitated, the effect of detecting a plurality of elements at one time is realized by uniformly distributing the testing body at the lower end of the movable plate, and the detection is rapid;

2. the jig for testing the PCB realizes the lifting effect of the movable plate by arranging the support body and the air cylinder, is convenient for testing the PCB, realizes the limiting effect of the PCB by arranging the limiting rod and the limiting block, effectively avoids the phenomenon that the PCB is greatly deviated in the transportation process, and is beneficial to the detection work of the probe;

3. this tool is used in PCB test through setting up guide way and guide bar, has improved the stability when fly leaf lift process, through gag lever post and limiting plate threaded connection's setting, easy dismounting through setting up the block rubber to and the distance at both ends and the setting that two test body intervals equal about the limiting plate, realized limiting displacement and the cushioning effect of limiting plate to the test body, improved the protection effect to the probe, convenient to use.

Drawings

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

FIG. 2 is a schematic view of the internal cross-sectional structure of the test body of the present invention;

fig. 3 is the utility model discloses plummer, first gag lever post and second gag lever post split structure schematic diagram.

In the figure: 1. a bearing table; 2. a support body; 3. a cylinder; 4. a movable plate; 5. a test body; 6. a probe; 7. a belt conveyor; 8. a first stopper; 9. a second limiting block; 10. a first limit rod; 11. a first limit plate; 12. a second limiting rod; 13. a second limiting plate; 14. a display screen; 15. a guide groove; 16. a guide bar; 17. a first rubber block; 18. a second rubber block; 19. a first position limiting body; 20. a second position limiting body; 21. a fixed block; 22. a spring; 23. a conductor barrel; 24. a conductor block; 25. a first limit hole; 26. a second limiting hole; 27. a screw groove; 28. a first outer threaded layer; 29. a second outer threaded layer.

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. 1-3, the present invention provides a technical solution: the utility model provides a tool is used in PCB test, including

plummer

1, 1 upper end fixed mounting of plummer has

supporter

2, 2 upper end fixed mounting of supporter have cylinder 3, the telescopic link lower extreme of cylinder 3 runs through 2 fixed mounting of supporter have

fly leaf

4, 4 lower extreme fixed mounting of fly leaf have the

test body

5, 5 lower extreme activities of test body are provided with probe 6, both ends inner wall is fixed and is provided with belt feeder 7 about

plummer

1, 1 upper end left edge department fixed mounting of plummer has the first stopper 8 of symmetry, 1 upper end right edge department fixed mounting of plummer has the second stopper 9 of symmetry, the activity of plummer 1 top is provided with first gag lever post 10 and second gag lever post 12, the activity of plummer 1 upper end is provided with first limiting plate 11 and second limiting plate 13.

Further, the test body 5 is in 4 lower extreme evenly distributed of fly leaf, supporter 2 is "L" type structure, 2 upper end fixed mounting of supporter have a display screen 14, both ends four corners edge runs through about supporter 2 and has seted up

guide way

15, 4 upper end four corners edge fixed mounting of fly leaf has guide bar 16, guide bar 16 upper end runs through guide way 15 and extends to 2 tops of supporter,

guide bar

16 and 15 looks adaptations of guide way,

guide bar

16 and 15 settings of guide way have improved the stability of fly leaf 4 at the lift in-process, do benefit to the stable detection of 6 pairs of PCB circuit boards that await measuring of probe.

Further, 11 upper end fixed mounting of first limiting plate has

first block rubber

17, 13 upper ends fixed mounting of second limiting plate has second block rubber 18, first limiting plate 11 and second limiting plate 13 are the same kind of structure, first block rubber 17 and second block rubber 18 are the same kind of structure, the horizontal distance at both ends equals with two horizontal intervals of testing the body 5 about first limiting plate 11, first limiting plate 11 and second limiting plate 13 have certain limiting displacement to testing the body 5 when testing the body 5 and descend, the guide effect when having strengthened testing the body 5 and descend, do benefit to going on of detection achievement.

Further, the inner wall of the upper end of the testing body 5 is fixedly provided with a first limiting body 19, the inner wall of the lower end of the testing body 5 is fixedly provided with a second limiting body 20, the second limiting body 20 is of an annular column structure, the inner wall of the second limiting body 20 is attached to the outer wall of the probe 6, the limiting effect on the probe 6 is achieved, and the telescopic effect of the probe 6 is facilitated.

Further, first spacing body 19 is "U" shape structure, 19 lower extreme fixed mounting of first spacing body has fixed

block

21, 21 lower extreme fixed mounting of fixed block has

spring

22, 19 inner wall fixed mounting of first spacing body has conductor section of

thick bamboo

23, 6 upper end fixed mounting of probe has

conductor block

24, 24 outer walls of conductor block and the laminating of 23 inner walls of conductor section of thick bamboo, 24 upper ends of conductor block are connected with the spring 22 lower extreme, 5 lower extremes of test body and lower extreme inner wall run through and have seted up

first spacing hole

25, 25 inner walls of first spacing hole and the laminating of 6 outer walls of probe mutually, the transmission effect of the signal of telecommunication when probe 6 goes up and down has been realized, do benefit to the test work of probe 6.

Further, the thread groove 27 has been fixed to have seted up at second limiting plate 13 right-hand member, first stopper 8 and second stopper 9 are the homogeneous structure, both ends are run through and have been seted up second spacing hole 26 about second stopper 9, first gag lever post 10 right-hand member outer wall is fixed and is provided with first external screw thread layer 28, the fixed second external screw thread layer 29 that is provided with of second gag lever post 12 left end outer wall, first external screw thread layer 28 and second external screw thread layer 29 are the homogeneous structure and all with thread groove 27 looks adaptation, the threaded connection effect of gag lever post and limiting plate has been realized, easy dismounting.

The working principle is as follows: firstly, the position of a first limiting plate 11 relative to a second limiting plate 13 is adjusted by moving a first limiting rod 10 and a second limiting rod 12 according to the size of a PCB circuit board, the first limiting plate 11 and the second limiting plate 13 are ensured to be positioned in a spacing area between every two PCB circuit boards after a test body 5 descends, then the PCB circuit board to be tested is placed on a belt of a belt conveyor 7, the belt conveyor 7 is started to enable the PCB circuit board to be tested to move to a proper position, then the belt conveyor 7 stops transmission work, an air cylinder 3 is started to enable a telescopic rod of the air cylinder 3 to drive a movable plate 4 to move downwards, a probe 6 at the lower end of the test body 5 detects the PCB circuit board, the probe 6 shrinks towards the interior of the test body 5 along with the elastic force of a spring 22 according to the concave-convex degree of different areas on the PCB circuit board, and in the process that the probe 6 shrinks towards the test body, the probe 6 can carry out test work in the shrinkage process, and after the test is finished, the belt conveyor 7 is started to transport the PCB circuit board which is finished with the test out, so that the test work of the next circuit board can be started.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a tool is used in PCB test, includes the plummer, its characterized in that: the utility model discloses a test device for bearing platform, including plummer, supporter upper end fixed mounting have the supporter, the telescopic link lower extreme of cylinder runs through supporter fixed mounting has the fly leaf, fly leaf lower extreme fixed mounting has the test body, the activity of test body lower extreme is provided with the probe, the fixed belt feeder that is provided with of both ends inner wall about the plummer, plummer upper end left edge department fixed mounting has the first stopper of symmetry, plummer upper end right edge department fixed mounting has the second stopper of symmetry, plummer top activity is provided with first gag lever post and second gag lever post, plummer upper end activity is provided with first limiting plate and second limiting plate.

2. The jig for testing PCB of claim 1, wherein: the utility model discloses a portable electronic device, including the test body, supporter upper end fixed mounting have the display screen, the guide way has been seted up in both ends four corners edge about the supporter, fly leaf upper end four corners edge fixed mounting has the guide bar, the guide bar upper end runs through the guide way and extends to the supporter top, guide bar and guide way looks adaptation.

3. The jig for testing PCB of claim 1, wherein: first limiting plate upper end fixed mounting has first block rubber, second limiting plate upper end fixed mounting has the second block rubber, first limiting plate and second limiting plate are the same kind of structure, first block rubber and second block rubber are the same kind of structure, the horizontal distance at both ends equals with the horizontal interval of two test bodies about the first limiting plate.

4. The jig for testing PCB of claim 1, wherein: the inner wall of the upper end of the testing body is fixedly provided with a first limiting body, the inner wall of the lower end of the testing body is fixedly provided with a second limiting body, the second limiting body is of an annular column structure, and the inner wall of the second limiting body is attached to the outer wall of the probe.

5. The jig for testing PCB of claim 4, wherein: first spacing body is "U" shape structure down, first spacing body lower extreme fixed mounting has the fixed block, fixed block lower extreme fixed mounting has the spring, first spacing internal wall fixed mounting has conductor section of thick bamboo, probe upper end fixed mounting has the conductor block, the conductor block outer wall is laminated with conductor section of thick bamboo inner wall mutually, the conductor block upper end is connected with the spring lower extreme, test body lower extreme and lower extreme inner wall run through and have seted up first spacing hole, first spacing downthehole wall is laminated with the probe outer wall mutually.

6. The jig for testing PCB of claim 1, wherein: the fixed thread groove of having seted up of second limiting plate right-hand member, first stopper and second stopper are the homogeneous structure, both ends are run through and have been seted up the spacing hole of second about the second stopper, first gag lever post right-hand member outer wall is fixed and is provided with first external screw thread layer, the fixed external screw thread layer of second that is provided with of second gag lever post left end outer wall, first external screw thread layer and second external screw thread layer are homogeneous structure and all with thread groove looks adaptation.