CN213689712U

CN213689712U - Circuit board testing device

Info

Publication number: CN213689712U
Application number: CN202023126494.8U
Authority: CN
Inventors: 刘永川
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-07-13
Anticipated expiration: 2030-12-22

Abstract

The utility model provides a circuit board testing device, which is provided with an upper panel, wherein a large vertical plate is arranged on the upper panel, a fixed plate is arranged on the upper side of the large vertical plate, a jig mounting plate is arranged on the lower side of the large vertical plate, a cambered plate is fixedly arranged on the outer side of the fixed plate, a sliding sleeve is arranged at the lower end of the cambered plate, a sliding rod is arranged in the sliding sleeve in a sliding manner, a second hinge arm is hinged at the upper end of the sliding rod, a compression rod is hinged at the other end of the second hinge arm, the compression rod is L-shaped; the upper panel is provided with a testing tool at the bottom of the jig mounting plate, a groove is formed in the middle of the testing tool, a circuit board supporting surface is arranged on the side wall of the groove, a positioning hole is formed in the testing tool, and a locking hole is formed in one side of the testing tool. The test that it had solved current circuit board still is some through manual test, carries out the detection of quality through people's naked eye a bit, can't satisfy the technical problem of large batch production requirement and detection quality. The utility model discloses but wide application in the quality testing of circuit board.

Description

Circuit board testing device

Technical Field

The utility model relates to a testing arrangement especially relates to a circuit board testing arrangement.

Background

With the development of the electronic industry, the consumption of various electronic products is higher and higher, the yield is rapidly developed, and new requirements are provided for the test of the circuit board of the electronic product. The test of current circuit board still is through manual test a bit, carries out the detection of quality through people's naked eye a bit, and such detection can't satisfy large batch production requirement, also can't satisfy the requirement of short-term test, also can't guarantee the detection quality of circuit board simultaneously, can often appear the problem that defective products can't obtain the detection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses still be through manual test to the test of current circuit board a bit, carry out the detection of quality through people's naked eye a bit, such detection can't satisfy large batch production requirement, also can't satisfy the requirement of short-term test, the detection quality of circuit board also can't be guaranteed simultaneously, the defective products can often appear and the technical problem that can't obtain the detection, an automatic positioning that can realize the circuit board is provided, guarantee that test fixture can compress tightly reliably, repeat the test each time and can both realize the uniformity, a circuit board testing arrangement that can improve test quality, this kind of testing arrangement is under the prerequisite of guaranteeing test quality simultaneously, can further improve efficiency of software testing, satisfy mass production's requirement.

Therefore, the technical scheme of the utility model is that, a circuit board testing device is provided with a bottom plate, a support plate is arranged on the side of the bottom plate, an upper panel is arranged on the support plate, a large vertical plate is arranged on one side of the upper surface of the upper panel, a fixed plate is arranged on the upper side of the large vertical plate, a jig mounting plate is arranged on the lower side of the large vertical plate, a cambered plate is fixedly arranged on the outer side of the fixed plate, a sliding sleeve is arranged at the lower end of the cambered plate, the sliding sleeve is fixedly connected with the jig mounting plate through a locking screw, a sliding rod is arranged in the sliding sleeve in a sliding manner, a second hinge arm is hinged to the upper end of the sliding rod; the upper panel is provided with a test tool at the bottom of the jig mounting plate, a groove is formed in the middle of the test tool, peripheral protrusions are arranged on two sides of the test tool, a circuit board supporting surface is arranged on the side wall of the groove, a positioning hole is formed in the test tool, and a locking hole is formed in one side of the test tool.

Preferably, be equipped with the locating piece on the big riser, be equipped with the guiding axle on the locating piece, fixedly on the tool mounting panel being equipped with the uide bushing, guiding axle and uide bushing sliding connection, the locating piece can be adjusted from top to bottom along big riser.

Preferably, the jig mounting plate is sleeved with the large vertical plate, the fixed block is arranged on the back of the large vertical plate, the guide sleeve is arranged at the bottom of the fixed block, the guide shaft is fixedly arranged on the fixed block, and the guide shaft is connected with the guide sleeve in a sliding mode.

Preferably, two corners of the test fixture are provided with notches.

Preferably, a wiring chamber is arranged between the bottom plate and the upper plate.

The beneficial effects of the utility model are that, because the fixed bow-shaped board that is equipped with in the fixed plate outside, the bow-shaped board lower extreme is equipped with the sliding sleeve, and the sliding sleeve passes through locking screw and tool mounting panel fixed connection, examines time measuring when needs, only needs to press gently and move the slide bar and just can move the tool mounting panel downwards, installs and just can carry out parameter testing to the circuit board at the test stitch of the downside of tool mounting panel. The two corners of the test tool are provided with notches, and after the circuit board is tested, a human hand can conveniently take out the circuit board to carry out the test operation of the next circuit board.

The positioning block can be adjusted up and down along the large vertical plate, so that the testing position can be conveniently adjusted according to different testing heights; and because the groove is arranged at the middle position of the test tool, the peripheral bulges are arranged at the two sides of the test tool, and the circuit board supporting surface is arranged on the side wall of the groove, the bonding wires or welding spots at the bottom of the circuit board can be avoided when the circuit board is tested, the circuit board can be placed flat for testing, and the circuit board supporting surface arranged on the side wall of the groove can also realize the support of the circuit board, so that the deformation of the circuit board during testing is ensured, and the reliability of various parameter tests is improved.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure in another orientation;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a front view of FIG. 1;

FIG. 6 is a side view of FIG. 1;

FIG. 7 is a bottom view of FIG. 1;

FIG. 8 is a top view of FIG. 1;

FIG. 9 is a three-dimensional schematic view of a test fixture;

FIG. 10 is another directional three-dimensional schematic view of a test fixture;

fig. 11 is a top view of fig. 10.

The symbols in the drawings illustrate that:

1. a base plate; 2. an upper panel; 3. a support plate; 4. testing the tool; 401. a peripheral bulge; 402. a groove; 403. positioning holes; 404. a locking hole; 405. a notch; 406. a circuit board support surface; 5. a large vertical plate; 6. a guide post; 7. positioning blocks; 8. a fixing plate; 9. a jig mounting plate; 11. a sliding sleeve; 12. a slide bar; 13. a pressure lever; 14. a second hinge shaft arm; 15. a first hinge shaft arm; 17. an arcuate plate; 19. a guide shaft; 20. a guide sleeve; 21. a fixed block; 22. locking screws; 23. a wiring chamber.

Detailed Description

The present invention will be further described with reference to the following examples.

Fig. 1-11 show an embodiment of a circuit board testing device according to the present invention, which is provided with a bottom plate 1, a support plate 3 is disposed on a side surface of the bottom plate 1, an upper panel 2 is disposed on the support plate 3, a large vertical plate 5 is disposed on one side of an upper surface of the upper panel 2, a fixing plate 8 is disposed on an upper side of the large vertical plate 5, a jig mounting plate 9 is disposed on a lower side of the large vertical plate 5, a bow-shaped plate 17 is fixedly disposed on an outer side of the fixing plate 8, a sliding sleeve 11 is disposed at a lower end of the bow-shaped plate 17, the sliding sleeve 11 is fixedly connected to the jig mounting plate 9 through a locking screw 22, a sliding rod 12 is slidably disposed inside the sliding sleeve 11, a second hinge arm 14 is hinged to an upper end of the sliding rod 12, a pressing; the upper panel 2 is provided with a testing tool 4 at the bottom of the jig mounting plate 9, a groove 402 is formed in the middle of the testing tool 4, peripheral protrusions 401 are arranged on two sides of the testing tool 4, a circuit board supporting surface 406 is arranged on the side wall of the groove 402, a positioning hole 403 is formed in the testing tool 4, a locking hole 404 is formed in one side of the testing tool 4, and the locking hole 404 can achieve locking of the tool.

As can be seen in fig. 3, the positioning block 7 is arranged on the large vertical plate 5, the guiding shaft 19 is arranged on the positioning block 7, the guiding sleeve 20 is fixedly arranged on the jig mounting plate 9, the guiding shaft 19 is slidably connected with the guiding sleeve 20, the positioning block 7 can be adjusted up and down along the large vertical plate 5, and the positioning block 7 can be adjusted up and down along the large vertical plate 5, so that the testing position can be conveniently adjusted according to different testing heights;

the tool mounting panel 9 cover is established through big riser 5, and the 5 backs of big riser are equipped with fixed block 21, and fixed block 21 bottom is equipped with uide bushing 20, fixedly on the fixed block 21 being equipped with guiding axle 19, and guiding axle 19 and uide bushing 20 sliding connection are equipped with the hole groove on the big riser 5 in this embodiment, and big riser 5 slides from top to bottom through the hole groove, and guiding axle 19 and uide bushing 20 sliding connection can realize stable slip operation.

Notches 405 are formed in two corners of the test tool 4, and after the circuit board is tested, a person can conveniently take out the circuit board by hands to perform test operation on the next circuit board.

A wiring chamber 23 is provided between the bottom plate 1 and the top plate 2, and various circuits and switches can be built in the wiring chamber 23.

When the test device works, as the cambered plate 17 is fixedly arranged on the outer side of the fixing plate 8, the sliding sleeve 11 is arranged at the lower end of the cambered plate 17, the sliding sleeve 11 is fixedly connected with the jig mounting plate 9 through the locking screw 22, when the test device needs to be detected, the jig mounting plate 9 can be moved downwards only by slightly pressing the sliding rod 12, and the test device can perform parameter test on the circuit board through the test pins arranged on the lower side of the jig mounting plate 9.

Because the groove 402 is formed in the middle of the test tool 4, the peripheral protrusions 401 are formed on the two sides of the test tool 4, and the circuit board supporting surface 406 is formed on the side wall of the groove 402, the bonding wires or welding spots at the bottom of the circuit board can be avoided during circuit board testing, the circuit board can be placed flat for testing, and the circuit board supporting surface 406 formed on the side wall of the groove 402 can also support the circuit board, so that deformation is avoided during circuit board testing, and the reliability of various parameter tests is improved.

The utility model discloses can realize the automatic positioning of circuit board, guarantee that test fixture can compress tightly reliably, the uniformity can both be realized to the repetition test each time, can improve test quality's a circuit board testing arrangement, and this kind of testing arrangement can further improve efficiency of software testing under the prerequisite of guaranteeing test quality simultaneously, satisfies mass production's requirement.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. A circuit board testing device is characterized in that: the jig fixture is characterized by comprising a bottom plate, a support plate is arranged on the side face of the bottom plate, an upper panel is arranged on the support plate, a large vertical plate is arranged on one side of the upper surface of the upper panel, a fixing plate is arranged on the upper side of the large vertical plate, a jig mounting plate is arranged on the lower side of the large vertical plate, an arched plate is fixedly arranged on the outer side of the fixing plate, a sliding sleeve is arranged at the lower end of the arched plate and fixedly connected with the jig mounting plate through a locking screw, a sliding rod is slidably arranged in the sliding sleeve, a second hinge arm is hinged to the upper end of the sliding rod, a pressing rod is hinged to the other end of the second hinge arm; the testing tool is arranged on the upper panel and located at the bottom of the jig mounting plate, a groove is formed in the middle of the testing tool, peripheral protrusions are arranged on two sides of the testing tool, a circuit board supporting face is arranged on the side wall of the groove, a positioning hole is formed in the testing tool, and a locking hole is formed in one side of the testing tool.

2. The device for testing the circuit board according to claim 1, wherein the large vertical plate is provided with a positioning block, the positioning block is provided with a guide shaft, the jig mounting plate is fixedly provided with a guide sleeve, the guide shaft is slidably connected with the guide sleeve, and the positioning block can be adjusted up and down along the large vertical plate.

3. The device for testing the circuit board according to claim 1, wherein the fixture mounting plate is sleeved with a large vertical plate, a fixed block is arranged on the back of the large vertical plate, a guide sleeve is arranged at the bottom of the fixed block, a guide shaft is fixedly arranged on the fixed block, and the guide shaft is slidably connected with the guide sleeve.

4. The device for testing the circuit board according to claim 1, wherein notches are formed in two corners of the test fixture.

5. The apparatus for testing circuit boards of claim 1 wherein a wiring chamber is disposed between the bottom board and the top board.