CN219302604U - Manual circuit board testing machine - Google Patents

Abstract

The utility model provides a manual circuit board testing machine, which comprises: the test machine comprises a test machine base, a pressure device and a test jig, wherein the pressure device is movably arranged on the test machine base, a placement platform is arranged on the test machine base, and the test jig is arranged on the placement platform. The pressure device is used for stably pressing the circuit board in the test fixture. The test fixture includes: fixed test seat, activity test seat and adjusting screw, fixed test seat locates on the place platform, the activity test seat slides and locates on the place platform, fixed test seat with the joint formation holding tank of activity test seat, adjusting screw wears to establish the activity test seat and with fixed test seat is connected. The manual circuit board tester can give consideration to circuit boards of various different models, thereby facilitating the testing of staff, improving the testing efficiency and reducing the cost.

Description

Manual circuit board testing machine

Technical Field

The utility model relates to the technical field of testers, in particular to a manual circuit board tester.

Background

After the circuit board is produced and processed, the circuit board needs to be subjected to an energizing test so as to test whether the circuit board can be used normally or not. As shown in fig. 1, a conventional circuit board 10 according to the present utility model includes a current-carrying pin hole 11 and a bolt fixing hole 12 in addition to various electronic components. The power-on pin holes 11 are used for being matched and spliced with external pins, the power-on pin holes 11 are also communicated with circuits in the circuit board 10, and the circuit board 10 is electrified through the power-on pin holes 11 during testing; the bolt fixing holes 12 are used for installing bolts to fix the position of the circuit board 10, and the arrangement of the bolt fixing holes 12 deliberately avoids the wiring in the circuit board 10 because the wiring in the circuit board 10 is complicated and slim.

For testing of small batches of circuit boards 10, because of their strong customization and limited number, they are not suitable for testing with large-scale testing equipment, and it is common at present to test them manually. During testing, a worker presses the circuit board 10 on a specific testing jig, so that the power-on pin holes 11 are electrified. When testing circuit boards 10 of different models, the test tools corresponding to the circuit boards need to be replaced, so that various tools need to be prepared, thereby increasing the cost and reducing the test efficiency.

Therefore, how to design a manual circuit board tester, which can give consideration to circuit boards 10 of various models, is convenient for the staff to test, improves the testing efficiency, and reduces the cost, which is a technical problem to be solved by the technicians in the field.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a manual circuit board testing machine which can give consideration to circuit boards of various different types, thereby facilitating testing by staff, improving testing efficiency and reducing cost.

The aim of the utility model is realized by the following technical scheme:

a manual circuit board tester, comprising: the test machine comprises a test machine base, a pressure device and a test jig, wherein the pressure device is movably arranged on the test machine base, a placement platform is arranged on the test machine base, and the test jig is arranged on the placement platform;

the pressure device is used for stably pressing the circuit board in the test fixture;

the test fixture includes: fixed test seat, activity test seat and adjusting screw, fixed test seat locates on the place platform, the activity test seat slides and locates on the place platform, fixed test seat with the joint formation holding tank of activity test seat, adjusting screw wears to establish the activity test seat and with fixed test seat is connected.

In one embodiment, the pressure device comprises: hand subassembly, slip table and pressure nail, be equipped with the guide arm on the place platform, the slip table slides and locates on the guide arm, hand subassembly install in on the test frame, hand subassembly drive the slip table is elevating movement, pressure nail detachably locates on the slip table.

In one embodiment, the hand shaking assembly comprises: the device comprises a support, a lifting rod, a hinge part and a deflector rod, wherein the support is fixedly arranged on a test machine base, the lifting rod is slidably arranged on the support, the deflector rod is movably hinged with the support, the deflector rod is connected with the lifting rod through the hinge part, and the tail end of the lifting rod is connected with a sliding table.

In one embodiment, the guide rod is sleeved with a buffer spring, the buffer spring is located between the placement platform and the sliding table, and the sliding table compresses the buffer spring in the sliding process.

In one embodiment, the sliding table is provided with a plurality of inserting holes, the pressure nails are installed on the sliding table through the inserting holes, and the pressure nails are propped against or separated from the circuit board.

In one embodiment, the pressure nail comprises a positioning bolt and a supporting part, and the positioning bolt penetrates through the inserting hole and is connected with the supporting part; the supporting part is of a rubber structure.

In one embodiment, the test stand comprises a stand body, the stand body is of a hollow structure, the placement platform is movably covered on the stand body, and a controller is arranged in the stand body.

In one embodiment, the placement platform is hinged to the base body through a hinge, a snap hook is arranged on the placement platform, and a snap ring assembly matched with the snap hook is arranged on the base body.

In one embodiment, a control panel and an energizing switch are arranged on the outer surface of the stand body, and the control panel and the energizing switch are electrically connected with the controller.

In one embodiment, the fixed test seat and the movable test seat are respectively provided with a pin conductive seat, the circuit board is accommodated in the accommodating groove, and the pin conductive seats are contacted with the power-on pin holes of the circuit board.

In conclusion, the manual circuit board testing machine can give consideration to various circuit boards with different types, so that testing by workers is facilitated, testing efficiency is improved, and cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a circuit board according to the present utility model;

FIG. 2 is a schematic diagram of a manual circuit board tester according to the present utility model;

FIG. 3 is an exploded view of the manual circuit board tester shown in FIG. 2;

FIG. 4 is a schematic diagram of the test fixture shown in FIG. 3;

FIG. 5 is a schematic view of the pressure device shown in FIG. 3;

FIG. 6 is a schematic view of the sliding table and the pressure nail shown in FIG. 5;

FIG. 7 is a schematic diagram of the structure of the test fixture shown in FIG. 4 after adjustment;

FIG. 8 is a schematic diagram of the test stand shown in FIG. 2;

FIG. 9 is an enlarged schematic view at A shown in FIG. 8;

FIG. 10 is a schematic view of the snap hook and snap ring assembly of FIG. 9;

FIG. 11 is a schematic diagram illustrating a modified test stand of FIG. 8.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The present utility model provides a manual circuit board tester 20, as shown in fig. 2 and 3, which comprises: the testing machine comprises a testing machine base 100, a pressure device 200 and a testing jig 300, wherein the pressure device 200 is movably arranged on the testing machine base 100, a placing platform 110 is arranged on the testing machine base 100, and the testing jig 300 is arranged on the placing platform 110.

The pressure device 200 is used for stably holding the circuit board 10 in the test fixture 300.

As shown in fig. 4, the test fixture 300 includes: the fixed test seat 310, the movable test seat 320 and the adjusting screw 330, wherein the fixed test seat 310 is arranged on the placing platform 110, the movable test seat 320 is arranged on the placing platform 110 in a sliding manner, the fixed test seat 310 and the movable test seat 320 are spliced together to form the accommodating groove 301, and the adjusting screw 330 penetrates through the movable test seat 320 and is connected with the fixed test seat 310.

When in use, a worker firstly adjusts the distance between the fixed test seat 310 and the movable test seat 320 through the adjusting screw 330, so as to change the size of the accommodating groove 301; after the adjustment is completed, the circuit board 10 is put into the accommodation groove 301; subsequently, the worker drives the pressing device 200 to press the circuit board 10 so that the circuit board 10 can be stably held in the accommodation groove 301, and a certain pressing force can make the power pin holes 11 thereon achieve good contact, thereby ensuring the stability of the power test. Specific testing procedures will be described below in connection with this example.

It should be noted that, when the pressure device 200 presses the circuit board 10, it is necessary to apply force to press the circuit board 10 at the bolt fixing hole 12, because the circuit board 10 is distributed with wires at other positions, and the wires are easily damaged when pressed at other positions. The bolt fixing holes 12 are designed to mount and fix bolts, and avoid the circuit in the circuit board 10. Therefore, the pressing device 200 is pressed against the bolt fixing hole 12, so that the circuit board 10 can be protected from damage as much as possible when pressing.

The following describes the main structure of the manual circuit board tester 20 of the present utility model:

in the present embodiment, as shown in fig. 5, the pressure device 200 includes: the hand-operated assembly 210, the sliding table 220 and the pressure nails 230 are arranged on the placing platform 110, the sliding table 220 is slidably arranged on the guiding rod 120, the hand-operated assembly 210 is arranged on the test stand 100, the hand-operated assembly 210 drives the sliding table 220 to do lifting motion, and the pressure nails 230 are detachably arranged on the sliding table 220. During testing, the hand-operated assembly 210 drives the sliding table 220 to slide close to the testing jig 300, and the pressure nails 230 thereon will abut against the bolt fixing holes 12 of the circuit board 10, so as to press the circuit board 10.

Preferably, as shown in fig. 5, the hand shaking assembly 210 includes: the test bench comprises a support 211, a lifting rod 212, a hinge piece 213 and a deflector rod 214, wherein the support 211 is fixedly arranged on the test bench 100, the lifting rod 212 is slidably arranged on the support 211, the deflector rod 214 is movably hinged with the support 211, the deflector rod 214 is connected with the lifting rod 212 through the hinge piece 213, and the tail end of the lifting rod 212 is connected with a sliding table 220.

In this embodiment, as shown in fig. 5, a plurality of inserting holes 221 are formed on the sliding table 220, and pressure nails 230 are mounted on the sliding table 220 through the inserting holes 221, and the pressure nails 230 are abutted against or separated from the circuit board 10. Preferably, as shown in fig. 6, the pressure pin 230 includes a positioning bolt 231 and a supporting portion 232, and the positioning bolt 231 penetrates through the insertion hole 221 and is connected to the supporting portion 232. In use, the positioning bolt 231 is detachably separated from the abutting portion 232, and then the positioning bolt 231 passes through a specific insertion hole 221 and is connected with the abutting portion 232, so that the pressure nail 230 can be mounted on the specific insertion hole 221.

In this embodiment, as shown in fig. 7, the fixed test socket 310 and the movable test socket 320 are respectively provided with a pin conductive socket 311, the circuit board 10 is accommodated in the accommodating groove 301, and the pin conductive socket 311 contacts the power pin hole 11 of the circuit board 10. During testing, the circuit board 10 is accommodated in the accommodating groove 301, and the pressure device 200 presses the circuit board 10, so that the power-on pin holes 11 of the circuit board 10 are in contact with the pin conductive seats 311, and current can be transferred between the two.

Next, the operation principle of the manual circuit board testing machine 20 of the present utility model will be described (please refer to fig. 3 to 7 together):

before testing, a worker adjusts the distance between the fixed test seat 310 and the movable test seat 320 through the adjusting screw 330, determines the size of the accommodating groove 301 according to the measured circuit board 10, and then installs the pressure nail 230 on the corresponding plug hole 221 according to the position of the bolt fixing hole 12 on the circuit board 10;

in the test, first, a worker puts the circuit board 10 into the accommodation groove 301; subsequently, the staff rotates the shift lever 214, the shift lever 214 drives the lifting rod 212 to slide through the hinge piece 213, and the lifting rod 212 drives the sliding table 220 to slide downwards to approach the test fixture 300 until the pressure nails 230 on the sliding table 220 press on the circuit board 10. At this time, the abutting portion 232 of the pressure pin 230 is pressed against the bolt fixing hole 12 of the circuit board 10, and the energizing pin hole 11 of the circuit board 10 is in contact with the pin conductive seat 311 in the accommodation groove 301. Then, the worker turns on the power supply to test the circuit board 10;

after the test, the staff rotates the shift lever 214 in the opposite direction, so that the lifting rod 212 and the sliding table 220 are lifted, the pressure nails 230 do not hold the circuit board 10 any more, and the staff can take out the circuit board 10 and then put in a new circuit board 10 for the next test.

It should be noted that the plurality of plugging holes 221 are provided, and positions of the plurality of plugging holes 221 correspond to the circuit boards 10 of different types. Thus, after the size of the accommodating groove 301 is adjusted according to the type of the circuit board 10, the worker also needs to change the corresponding position of the pressure pin 230 on the slide table 220 according to the position of the bolt fixing hole 12 on the circuit board 10. Thus, when testing circuit boards 10 of different types, the power-on pin holes 11 of the circuit board 10 can always contact with the pin conductive seat 311, and the pressure nails 230 can always press at the bolt fixing holes 12. Therefore, by adjusting the test fixture 300, the size of the accommodating groove 301 and the position of the pin conductive seat 311 are changed, and then the position of the pressure pin 230 is adjusted, so that the tester 20 can meet the test requirements of various circuit boards 10. Thereby improving the applicability of the tester 20, facilitating the testing by the staff and improving the testing efficiency.

In one embodiment, the guide rod 120 is sleeved with a buffer spring 121 (as shown in fig. 8), the buffer spring 121 is located between the placement platform 110 and the sliding table 220, and the sliding table 220 compresses the buffer spring 121 during sliding. The guiding rod 120 plays a limiting guiding role in the lifting movement process of the sliding table 220 so as to prevent the sliding table 220 from dislocation and deviation; the buffer spring 121 can provide a buffer for the sliding table 220 during the descending process thereof, so as to prevent the sliding table 220 from being descended too fast to impact the circuit board 10.

In one embodiment, the abutment 232 of the pressure pin 230 is a rubber structure. The rubber-made abutting portion 232 can alleviate the impact on the circuit board 10, and can provide a larger static friction force when pressed on the circuit board 10, so that the circuit board 10 cannot slide.

In this embodiment, as shown in fig. 8, the test stand 100 includes a stand body 130, the stand body 130 is of a hollow structure, the placement platform 110 is movably covered on the stand body 130, and a controller (not shown) is disposed in the stand body 130. Preferably, the outer surface of the stand body 130 is provided with a control panel 131 and an energizing switch 132, and the control panel 131 and the energizing switch 132 are electrically connected with a controller. The control panel 131 is used for displaying test parameters, the power-on switch 132 is used for controlling whether the circuit board 10 is powered on or not, and a worker can press the power-on switch 132 to power on the circuit board 10 under test.

Further, as shown in fig. 8 and 11, the placement platform 110 is hinged to the base body 130 by a hinge (not shown), the placement platform 110 is provided with a snap hook 111, and the base body 130 is provided with a snap ring assembly 133 that is matched with the snap hook 111. The worker can change the matching state of the snap ring assembly 133 and the snap hook 111 (as shown in fig. 9 and 10) by pulling the snap ring assembly 133, so as to stably cover the placement platform 110 on the base body 130.

Through the design, the placement platform 110 can be turned over and lifted so as to be exposed out of the interior of the stand body 130, so that on one hand, electronic equipment such as a controller and the like can be conveniently accommodated in the stand body 130, and necessary protection is provided for the electronic equipment; on the other hand, the placement platform 110 can be lifted at any time, so that the maintenance of the staff can be facilitated.

In summary, the manual circuit board tester provided by the utility model can give consideration to various circuit boards 10 with different types, thereby facilitating the testing of staff, improving the testing efficiency and reducing the cost.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A manual circuit board tester, comprising: the test machine comprises a test machine base, a pressure device and a test jig, wherein the pressure device is movably arranged on the test machine base, a placement platform is arranged on the test machine base, and the test jig is arranged on the placement platform;

the pressure device is used for stably pressing the circuit board in the test fixture;

the test fixture includes: fixed test seat, activity test seat and adjusting screw, fixed test seat locates on the place platform, the activity test seat slides and locates on the place platform, fixed test seat with the joint formation holding tank of activity test seat, adjusting screw wears to establish the activity test seat and with fixed test seat is connected.

2. The manual circuit board tester according to claim 1, wherein the pressure device comprises: hand subassembly, slip table and pressure nail, be equipped with the guide arm on the place platform, the slip table slides and locates on the guide arm, hand subassembly install in on the test frame, hand subassembly drive the slip table is elevating movement, pressure nail detachably locates on the slip table.

3. The manual circuit board tester according to claim 2, wherein the hand-operated assembly comprises: the device comprises a support, a lifting rod, a hinge part and a deflector rod, wherein the support is fixedly arranged on a test machine base, the lifting rod is slidably arranged on the support, the deflector rod is movably hinged with the support, the deflector rod is connected with the lifting rod through the hinge part, and the tail end of the lifting rod is connected with a sliding table.

4. The manual circuit board testing machine according to claim 3, wherein the guide rod is sleeved with a buffer spring, the buffer spring is located between the placement platform and the sliding table, and the sliding table compresses the buffer spring in the sliding process.

5. The manual circuit board testing machine according to claim 2, wherein a plurality of inserting holes are formed in the sliding table, the pressure nails are installed on the sliding table through the inserting holes, and the pressure nails are abutted against or separated from the circuit board.

6. The manual circuit board tester according to claim 5, wherein the pressure pin comprises a positioning bolt and a supporting portion, and the positioning bolt penetrates through the insertion hole and is connected with the supporting portion; the supporting part is of a rubber structure.

7. The manual circuit board testing machine according to claim 1, wherein the testing machine base comprises a machine base body, the machine base body is of a hollow structure, the placement platform is movably covered on the machine base body, and a controller is arranged in the machine base body.

8. The manual circuit board testing machine according to claim 7, wherein the placement platform is hinged to the base body through a hinge, a snap hook is arranged on the placement platform, and a snap ring assembly matched with the snap hook is arranged on the base body.

9. The manual circuit board tester according to claim 7, wherein a control panel and an energizing switch are provided on an outer surface of the housing body, and the control panel and the energizing switch are electrically connected to the controller.

10. The manual circuit board tester according to claim 1, wherein pin conductive seats are respectively arranged in the fixed test seat and the movable test seat, the circuit board is accommodated in the accommodating groove, and the pin conductive seats are contacted with power-on pin holes of the circuit board.

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