PCB conduction testing device

Abstract

The utility model discloses a PCB conduction testing device. The PCB conduction testing device comprises a testing device body, the base is provided with a first mounting position; the pressing device is arranged on the base and comprises a driving part and a movable part, the driving part is in transmission connection with the movable part, the movable part is provided with a second mounting position, and the test probe is arranged at the first mounting position and / or the second mounting position; the test board is movably arranged on the base, an elastic assembly is arranged between the test board and the base, and the elastic assembly is located between the first installation position and the second installation position; the test board is movably arranged on the base, if the movable part continuously presses down, the test board can move along with the movable part, so that the PCB cannot be damaged, the elastic assembly is arranged between the test board and the base, the elastic assembly can provide elastic force for the test board, and the test board can be reset after the test is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PCB board test, especially relates to a PCB board conduction test device. BACKGROUND

[0002] PCB board conduction test is an important step to ensure the correctness of circuit board electrical connection, and is mainly used for checking whether the circuit on the PCB board has open circuit or short circuit. The contact type test is included in the PCB board conduction test, and the basic principle of the contact type test is that the test probe is directly contacted with the test point on the PCB board, and the electrical means is used to detect the connectivity of the circuit and the electrical parameter of the element.

[0003] The traditional mode is to test the PCB board through the test device, the PCB board is placed on the test table, then the test probe is pressed down to make the test probe directly contact with the PCB board, but the test table is fixed and immovable, and once the pressing force is not well controlled, the PCB board is easily damaged. UTILITY MODEL CONTENTS

[0004] In order to overcome the shortcomings that the test table is fixed and immovable in the prior art, and once the pressing force is not well controlled, the PCB board is easily damaged, the utility model provides a PCB board conduction test device, which comprises:

[0005] The base is provided with a first mounting position;

[0006] The pressing device is arranged on the base and comprises a driving part and a movable part, the driving part is in transmission connection with the movable part, the movable part is provided with a second mounting position, and the test probe is arranged in the first mounting position and / or the second mounting position;

[0007] The test table is movably arranged on the base, and an elastic component is arranged between the test table and the base and located between the first mounting position and the second mounting position.

[0008] Optionally, a plurality of test probes are arranged on the first mounting position, a plurality of through holes are arranged on the test table, the test probes and the through holes are one-to-one corresponding, and the test probes pass through the through holes.

[0009] Optionally, the driving part comprises a quick clamp, the movable part comprises a pressing plate, one side of the pressing plate is connected with the output end of the quick clamp, and the other side of the pressing plate is provided with the second mounting position.

[0010] Optionally, the base is provided with a support frame, and the quick clamp is detachably arranged on the support frame.

[0011] Optionally, the support frame is provided with a mounting plate, the mounting plate is provided with a long hole, one side of the mounting plate is provided with a fixed plate, and the quick clamp is fixed with the fixed plate through bolts on the other side of the mounting plate, and the bolts pass through the long hole.

[0012] Optionally, a first guide shaft is arranged between the mounting plate and the base, a first guide hole is arranged on the pressing plate, and the first guide shaft passes through the first guide hole on the pressing plate.

[0013] Optionally, a predetermined shape fixing groove is arranged on the test table.

[0014] Optionally, a stabilizing column is arranged at the bottom of the pressing plate.

[0015] Optionally, the elastic assembly comprises a plurality of spring seats, the spring seats are fixed on the base, a spring is arranged in each spring seat, and the spring is connected to the bottom of the test table.

[0016] Optionally, a second guide shaft is arranged at the bottom of the test table, a second guide hole is arranged on the base, and the second guide shaft passes through the second guide hole.

[0017] The PCB board needs to be tested on both sides or on one side, if tested on both sides, test probes can be arranged on the first mounting position and the second mounting position, if tested on one side, test probes can be arranged on the first mounting position or the second mounting position, and the type of the test PCB board is determined, the test table is movably arranged on the base and an elastic assembly is arranged between the test table and the base, so that the test table is located between the first mounting position and the second mounting position; during testing, the PCB board is placed on the test table, the PCB board directly contacts the test probe on the first mounting position, after the PCB board is placed, the movable part is pressed down by the driving part on the pressing device, the movable part is opened into the test table, the test probe on the movable part contacts the PCB board, the test table is movably arranged on the base, if the movable part continuously presses down the test table, the test table moves, so that the PCB board is not damaged, the elastic assembly is arranged between the test table and the base, the elastic assembly provides elastic force for the test table, and the test table can be reset after testing. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further explained in connection with the drawings and embodiments.

[0019] Figure 1 It is an assembly schematic view in some embodiments;

[0020] Figure 2 It is an assembly schematic view in some embodiments;

[0021] Figure 3 It is an assembly schematic view in some embodiments;

[0022] Figure 4 It is an explosion structure schematic view in some embodiments;

[0023] Figure 5 is a structural schematic view of a pressing plate in some embodiments;

[0024] Figure 6 is a structural schematic view of a test table in some embodiments;

[0025] Figure 7 is a structural schematic view of a base.

[0026] Explanation of reference signs:

[0027] 1, base; 101, first mounting position; 2, pressing device; 201, second mounting position; 4, test probe; 3, test table; 202, quick clamp; 203, pressing plate; 102, support frame; 103, mounting plate; 104, long hole; 105, fixing plate; 106, first guide shaft; 107, first guide hole; 301, fixing groove; 204, stabilizing column; 303, spring; 304, second guide shaft; 305, second guide hole. DETAILED DESCRIPTION

[0028] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relations involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be composed by adding or reducing coupling auxiliary components according to the specific implementation situation. The various technical features in the present application can be interactively combined without mutual contradiction and conflict.

[0029] The present application provides a PCB board conduction test device, which is applied to the field of PCB board testing and comprises a base 1 provided with a first mounting position 101, a pressing device 2 mounted on the base 1 and comprising a driving part and a movable part, the driving part being in transmission connection with the movable part, the movable part being provided with a second mounting position 201, a test probe 4 being mounted on the first mounting position 101 and / or the second mounting position 201, a test table 3 being movably mounted on the base 1, and an elastic assembly being arranged between the test table 3 and the base 1 and located between the first mounting position 101 and the second mounting position 201.

[0030] In practice, a first mounting position 101 is set on the base 1, and the pressing device 2 is mounted on the base 1. A second mounting position 201 is set on the movable part of the pressing device 2. The PCB board needs to be tested on both sides simultaneously or on one side only. If testing both sides, test probes 4 can be installed on both the first mounting position 101 and the second mounting position 201. If testing one side, test probes 4 can be installed on either the first mounting position 101 or the second mounting position 201, depending on the type of PCB board being tested. The test stage 3 is movably mounted on the base 1, and an elastic component is installed between the test stage 3 and the base 1, so that the test stage 3 is located at the first mounting position 101. Between the second mounting position 201 and the test platform 3, during testing, the PCB board is placed on the test platform 3, and the PCB board will directly contact the test probe 4 on the first mounting position 101. After the PCB board is placed, the moving part is pressed down by the driving part on the pressing device 2, so that the moving part moves into the test platform 3. The test probe 4 on the moving part contacts the PCB board. First, the test platform 3 is movably mounted on the base 1. If the moving part continues to press down, the test platform 3 will move accordingly, so it will not damage the PCB board. Moreover, there is an elastic component between the test platform 3 and the base 1. The elastic component will provide elasticity to the test platform 3. After the test is completed, the test platform 3 can also be reset.

[0031] Furthermore, the drive unit can be an automatic pressing drive device, including a cylinder, an electric push rod, etc., or the drive unit can be a manual pressing drive device, including a quick clamp 202. The movable part can be any shape of component capable of mounting the test probe 4, including a pressure plate 203, a pressure block, etc.

[0032] In some embodiments, the first mounting position 101 is provided with a plurality of test probes 4, and the test stage 3 has a plurality of through holes, with each test probe 4 corresponding to a through hole and passing through the through hole.

[0033] like Figure 1 As shown, in some cases, both the first mounting position 101 and the second mounting position 201 are equipped with PCB board continuity testing devices with test probes 4.

[0034] like Figure 2 As shown, in some cases, a PCB board continuity test device with test probe 4 is installed on the first mounting position 101.

[0035] During implementation, multiple test probes 4 are installed on the first mounting position 101, and multiple through holes are opened on the test stage 3 so that the test probes 4 correspond one-to-one with the through holes. Here, one-to-one correspondence means that the positions of the test probes 4 and the through holes are the same, and each test probe 4 can just pass through the through hole. The mounting position of the test probe 4 is set according to the contact point on the PCB.

[0036] In some cases, the test table 3 can also be provided with a large opening in the middle, and the edge of the opening is provided with a step, and the PCB board can be placed on the step, and the step serves as a support component of the PCB board.

[0037] In some embodiments, the driving part comprises a quick clamp 202, and the movable part comprises a pressing plate 203, one side of the pressing plate 203 is connected to the output end of the quick clamp 202, and the other side of the pressing plate 203 is provided with the second mounting position 201.

[0038] In implementation, one side of the pressing plate 203 is connected to the output end of the quick clamp 202, and the other side of the pressing plate 203 is provided with the second mounting position 201, and the test probe 4 can be installed on the second mounting position 201, wherein the side of the pressing plate 203 connected to the output end of the quick clamp 202 is the top surface, and the side provided with the second mounting position 201 is the bottom surface, and the pressing plate 203 moves downward when the quick clamp 202 is pulled downward, so that the test probe 4 on the second mounting position 201 can contact the PCB board.

[0039] In some cases, the driving part can also be a cylinder, an electric push rod or the like driving component, and the movable part can also be a pressing block.

[0040] In some embodiments, the base 1 is provided with a support frame 102, and the quick clamp 202 is detachably installed on the support frame 102.

[0041] In implementation, the support frame 102 is installed on the base 1, and the quick clamp 202 is detachably installed on the support frame 102, so that the quick clamp 202 can be conveniently and quickly replaced and maintained.

[0042] In some embodiments, the support frame 102 is provided with a mounting plate 103, the mounting plate 103 is provided with a long hole 104, one side of the mounting plate 103 is provided with a fixed plate 105, and the quick clamp 202 is fixed to the fixed plate 105 on the other side of the mounting plate 103 through bolts, and the bolts pass through the long hole 104.

[0043] In implementation, the mounting plate 103 is arranged on the support frame 102, the long hole 104 is arranged on the mounting plate 103, the fixed plate 105 is arranged on one side of the mounting plate 103, and the quick clamp 202 is fixed to the mounting plate 103 through bolts on the other side, so that the quick clamp 202 is detachably fixed to the mounting plate 103, and the long hole 104 can facilitate adjustment of the position of the quick clamp 202 on the mounting plate 103.

[0044] Further, the quick clamp 202 is provided with four through holes, the fixing plate 105 is provided with four through holes, the through holes of the quick clamp 202 correspond to the through holes of the fixing plate 105 one by one, the bolts are sequentially threaded through the through holes of the quick clamp 202, the long slot 104 and the through holes of the fixing plate 105, the other end of the bolt is fixed by the cooperating nut, each through hole is fixed by the bolt and the nut, so that the quick clamp 202 is more stable.

[0045] In some cases, a threaded hole can also be directly arranged on the mounting plate 103, and a through hole is arranged on the quick clamp 202, so that the quick clamp 202 can be directly fixed on the mounting plate 103 by a screw.

[0046] In some embodiments, a first guide shaft 106 is arranged between the mounting plate 103 and the base 1, and a first guide hole 107 is arranged on the pressing plate 203, and the first guide shaft 106 passes through the first guide hole 107 on the pressing plate 203.

[0047] In implementation, the first guide shaft 106 is arranged between the mounting plate 103 and the base 1, the first guide hole 107 is arranged on the pressing plate 203, and the first guide shaft 106 passes through the first guide hole 107 on the pressing plate 203. When the pressing plate 203 moves, the first guide shaft 106 plays a guiding role in the movement of the pressing plate 203, so that the pressing plate 203 remains stable during the pressing process.

[0048] Further, two first guide shafts 106 are arranged between the mounting plate 103 and the base 1, and two first guide holes are correspondingly arranged on the pressing plate 203, each first guide shaft 106 passes through a first guide hole 107, and a shaft sleeve is arranged in the first guide hole 107, and the first guide shaft 106 passes through the shaft sleeve.

[0049] In some embodiments, a predetermined shape fixing groove 301 is arranged on the test table 3.

[0050] In implementation, the predetermined shape fixing groove 301 is arranged on the test table 3, the predetermined shape is a PCB to be tested, and the fixing groove 301 plays a role in stabilizing the PCB. Different shapes of fixing grooves 301 can be arranged according to the shape of the PCB to be tested.

[0051] In some embodiments, a stabilizing column 204 is arranged at the bottom of the pressing plate 203.

[0052] In implementation, the stabilizing column 204 is arranged at the bottom of the pressing plate 203, and the stabilizing column 204 will touch the PCB when the pressing plate 203 is pressed down, so that the stabilizing column 204 plays a role in stabilizing the PCB.

[0053] In some embodiments, the elastic assembly comprises a plurality of spring 303 seats (not shown in the figure), each of which is provided with a spring 303, and the spring 303 is connected to the bottom of the test table 3.

[0054] In implementation, the spring 303 seat is fixed on the base 1, the spring 303 is arranged in the spring 303 seat, and the spring 303 is connected to the bottom of the test table 3, so that the spring 303 gives the test table 3 an elastic force to help the test table 3 reset.

[0055] Further, the base 1 is provided with a plurality of spring 303 seats, and each spring 303 seat is provided with a spring 303.

[0056] In some embodiments, the bottom of the test table 3 is provided with a second guide shaft 304, and the base 1 is provided with a second guide hole 305, and the second guide shaft 304 passes through the second guide hole 305.

[0057] In implementation, the second guide shaft 304 is arranged at the bottom of the test table 3, and the second guide hole 305 is arranged on the base 1, so that the second guide shaft 304 plays a guiding role in the movement of the base 1 and is also used to stabilize the base 1 when it moves downward.

[0058] The above is a specific description of the preferred implementation of the utility model, but the utility model is not limited to the embodiments described above. Those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A PCB board continuity testing device, characterized in that, The utility model relates to a test device for testing probe, which comprises a base, a pressing device and a test table. The base is provided with a first mounting position. The pressing device is installed on the base and comprises a driving part and a movable part. The movable part is provided with a second mounting position.

2. The PCB board continuity test apparatus of claim 1, wherein, The test table is movably installed on the base.

3. The PCB board continuity test apparatus of claim 1, wherein, The test table is provided with a plurality of through holes.

4. The PCB board continuity test apparatus of claim 3, wherein, The test table is provided with a plurality of through holes.

5. The PCB board continuity test apparatus of claim 4, wherein, The driving part comprises a quick clamp.

6. The PCB board continuity test apparatus of claim 5, wherein, The movable part comprises a pressing plate.

7. The PCB board continuity test apparatus of claim 1, wherein, The pressing plate is connected with the output end of the quick clamp.

8. The PCB board continuity test apparatus of claim 1, wherein, The base is provided with a support frame.

9. The PCB board continuity test apparatus of claim 1, wherein, The quick clamp is detachably installed on the support frame.

10. The PCB board continuity test apparatus of claim 1, wherein, The support frame is provided with a mounting plate. The mounting plate is provided with a long hole. The mounting plate is provided with a fixing plate. The quick clamp is fixed with the fixing plate through bolts. The mounting plate is provided with a first guide shaft. The pressing plate is provided with a first guide hole. The first guide shaft passes through the first guide hole. The test table is provided with a predetermined shape fixing groove. The pressing plate is provided with a stabilizing column. The elastic assembly comprises a plurality of spring seats. Each spring seat is provided with a spring. The spring is connected with the bottom of the test table. The test table is provided with a second guide shaft. The base is provided with a second guide hole. The second guide shaft passes through the second guide hole.

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