CN219936029U - Whole board test fixture of PCB board - Google Patents
Whole board test fixture of PCB board Download PDFInfo
- Publication number
- CN219936029U CN219936029U CN202320957876.XU CN202320957876U CN219936029U CN 219936029 U CN219936029 U CN 219936029U CN 202320957876 U CN202320957876 U CN 202320957876U CN 219936029 U CN219936029 U CN 219936029U
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- plate
- fixedly connected
- test fixture
- threaded rods
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 239000000523 sample Substances 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 101150006573 PAN1 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of circuit board testing equipment and discloses a PCB whole board testing jig which comprises a bottom shell, wherein two threaded rods are rotatably connected to the upper part of the bottom shell, lower pressing plates are connected to the peripheries of the two threaded rods in a threaded manner, belt wheels are fixedly connected to the upper ends of the two threaded rods, the peripheries of the two belt wheels are connected through a synchronous belt, and the bottom of one threaded rod is fixedly connected to the output end of a motor. According to the utility model, under the mutual coordination of the structures such as the motor, the threaded rod, the belt pulley and the synchronous belt, the lower pressing plate can stably move up and down at a constant speed, so that the damage of a probe at the bottom of the lower pressing plate caused by too fast manual operation is avoided, the normal use of the test fixture is ensured, the placing plate can be clamped and fixed under the mutual coordination of the structures such as the connecting rod, the movable plate, the sleeve and the spring, and the placing plate can be quickly replaced by lifting and rotating the sleeve.
Description
Technical Field
The utility model relates to the technical field of circuit board testing equipment, in particular to a whole PCB testing jig.
Background
Along with the improvement of the technological level, intelligent electronic products are indispensable products in daily life of people, bring a lot of convenience to life and work of people, and enrich amateur life of people, while circuit boards, also called PCB boards, are manufactured through electronic printing, and the product quality test work of the circuit boards is an indispensable technological process in the process of producing the circuit boards by enterprises.
The utility model discloses a circuit board test fixture of patent publication No. CN202123435440.4, including the tool base case, the tool base case is provided with operating panel, be provided with left test group and right test group in the tool base case, test module's thimble wears out the tool base case top, the tool base case is provided with the test board, be provided with the test slot on the test board, the test hole has been seted up to the bottom of test slot, set up the mounting panel on the tool base case, the mounting panel is provided with the clamp plate, the terminal surface sets up the depression bar down, operating panel is last to be provided with the test lamp, be provided with resetting means between tool base case up end and the test panel all around, be provided with synchronous testing device on the operating panel, be provided with left test button and right test button between left test button and the right test button, the device has carried out the centre gripping location to the circuit board, but detects the time measuring, still need press down the operation through artifical drive handle, and the depression rate of depression bar relies on the manual work to adjust the clamp plate down, leads to the probe board to change the size when the size of PCB, and the size change the PCB that the probe is difficult to take place simultaneously, the problem that the size is changed when the PCB is different from top to bottom to top to bottom, the same size of the PCB, the problem that the PCB needs to be changed.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a whole PCB testing jig.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a whole board test fixture of PCB board, includes the drain pan, drain pan upper portion rotates and is connected with two threaded rods, two threaded rod periphery threaded connection has the holding down plate, two equal fixedly connected with band pulley of threaded rod upper end, two the band pulley periphery is connected through the hold-in range, one of them threaded rod bottom fixed connection is at the output of motor, motor fixed connection is inside the drain pan, drain pan upper portion is provided with places the board, the holding down plate with place the board and align each other.
As a further description of the above technical solution:
the upper portion fixedly connected with backup pad of drain pan, backup pad middle part fixedly connected with connecting plate, two threaded rod rotates to be connected at the connecting plate middle part.
As a further description of the above technical solution:
two backup pad opposite one side fixedly connected with gag lever post, the holding down plate both sides are provided with the spacing groove, the gag lever post sets up at the spacing groove middle part.
As a further description of the above technical solution:
the novel connecting rod structure is characterized in that a plurality of connecting rods are fixedly connected to the upper portion of the bottom shell, a movable plate is slidably connected to the upper portion of the connecting rod, a sleeve is fixedly connected to the upper portion of the movable plate, a spring is fixedly connected to the top of the movable plate, and the other end of the spring is fixedly connected to the periphery of the connecting rod.
As a further description of the above technical solution:
the edge of the placing plate is provided with a notch, and the movable plate is arranged in the middle of the notch.
As a further description of the above technical solution:
grooves are formed in the left side and the right side of the bottom shell.
As a further description of the above technical solution:
the upper part of the connecting rod is fixedly connected with a limiting plate, and the spring is fixedly connected to the bottom of the limiting plate.
As a further description of the above technical solution:
the outside of the sleeve is fixedly connected with a handle.
The utility model has the following beneficial effects:
1. according to the utility model, under the mutual coordination of the structures such as the motor, the threaded rod, the belt wheel and the synchronous belt, the lower pressing plate can stably move up and down at a constant speed, so that the damage of a probe at the bottom of the lower pressing plate caused by too fast manual operation is avoided, and the normal use of the test fixture is ensured.
2. According to the utility model, the placing plate can be clamped and fixed through the mutual matching of the structures such as the connecting rod, the movable plate, the sleeve, the spring and the like, and when the placing plate needs to be replaced, the placing plate can be quickly replaced by lifting and rotating the sleeve, so that the operation is more convenient.
Drawings
Fig. 1 is a schematic perspective view of a whole PCB testing fixture according to the present utility model;
fig. 2 is a schematic structural diagram of a stop lever of a whole PCB testing fixture according to the present utility model;
fig. 3 is a schematic structural diagram of a limiting groove of a whole PCB testing fixture according to the present utility model;
fig. 4 is a schematic structural diagram of a spring of a whole PCB testing fixture according to the present utility model.
Legend description:
1. a bottom case; 2. a support plate; 3. a connecting plate; 4. a motor; 5. a groove; 6. a threaded rod; 7. a lower pressing plate; 8. a belt wheel; 9. a synchronous belt; 10. a limit rod; 11. a limit groove; 12. placing a plate; 13. a notch; 14. a connecting rod; 15. a movable plate; 16. a sleeve; 17. a spring; 18. a limiting plate; 19. a handle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a whole board test fixture of PCB board, including drain pan 1, drain pan 1 upper portion rotates and is connected with two threaded rods 6, two threaded rods 6 periphery threaded connection has holding down plate 7, equal fixedly connected with band pulley 8 of two threaded rods 6 upper ends, two band pulley 8 periphery is connected through hold-in range 9, one of them threaded rod 6 bottom fixed connection is at the output of motor 4, motor 4 fixed connection is inside drain pan 1, drain pan 1 upper portion is provided with places board 12, holding down plate 7 and placing board 12 each other aligns, when using, through placing the PAB board that needs to detect on placing board 12 upper portion and fixing a position, then work through driving motor 4, make threaded rod 6 rotate, then under the effect of hold-in range 9 and band pulley 8, make two threaded rods 6 rotate in step by step, can make holding down plate 7 reciprocate, drive the probe and move down, thereby accomplish the detection, threaded rod 6, band pulley 8, under the mutual cooperation of structure such as hold-in range 9, can make holding down plate 7 steadily reciprocate, thereby the probe that the manual work of holding down plate 7 has avoided the bottom of holding down plate 7 to damage at the steady speed, thereby the bottom of the test fixture that has avoided the manual work to cause because of the test.
The upper part of the bottom shell 1 is fixedly connected with a supporting plate 2, the middle part of the supporting plate 2 is fixedly connected with a connecting plate 3, two threaded rods 6 are rotationally connected to the middle part of the connecting plate 3, the positions of the threaded rods 6 are limited through the supporting plate 2 and the connecting plate 3, so that the threaded rods 6 rotate more stably, one side of each of the two supporting plates 2, which is opposite, is fixedly connected with a limiting rod 10, two sides of a lower pressing plate 7 are provided with limiting grooves 11, the limiting rods 10 are arranged in the middle part of the limiting grooves 11, the positions of the lower pressing plate 7 are limited through the limiting rods 10 and the limiting grooves 11, so that the lower pressing plate 7 moves more stably, the upper part of the bottom shell 1 is fixedly connected with a plurality of connecting rods 14, the upper part of the connecting rods 14 is slidingly connected with a movable plate 15, the upper part of the movable plate 15 is fixedly connected with a sleeve 16, the top of the movable plate 15 is fixedly connected with a spring 17, the other end of the spring 17 is fixedly connected to the periphery of the connecting rod 14, through the mutual cooperation of the structures such as the connecting rod 14, the movable plate 15, the sleeve 16, the spring 17 and the like, the placing plate 12 can be clamped and fixed, when the placing plate 12 needs to be replaced, the placing plate 12 can be quickly replaced by lifting and rotating the sleeve 16, the operation is more convenient, the edge of the placing plate 12 is provided with the notch 13, the movable plate 15 is arranged in the middle of the notch 13, the position of the movable plate 15 is limited through the notch 13, the influence of the movable plate 15 on the lower pressure plate 7 can be avoided, the grooves 5 are arranged on the left side and the right side of the bottom shell 1, the whole test fixture can be carried through the grooves 5, the upper part of the connecting rod 14 is fixedly connected with the limiting plate 18, the spring 17 is fixedly connected with the bottom of the limiting plate 18, the upper part of the connecting rod 14 is blocked through the limiting plate 18, the movable plate 15 is prevented from falling out from the upper part of the connecting rod 14, the handle 19 is fixedly connected with the outer side of the sleeve 16, the sleeve 16 can be lifted and rotated better.
Working principle: when the test fixture is used, the PAB plate to be detected is placed on the upper portion of the placing plate 12 for positioning, then the driving motor 4 is used for working, the threaded rod 6 rotates, then under the action of the synchronous belt 9 and the belt pulley 8, the two threaded rods 6 synchronously rotate, the lower pressing plate 7 can be made to move up and down, the probe is driven to move downwards and contact with the PCB plate, detection is completed, the motor 4 is used for replacing manual operation, the probe damage caused by too fast pressing can be avoided, normal use of the test fixture is ensured, when the size and the model of the PCB plate to be detected are changed, the sleeve 16 is pulled upwards, the movable plate 15 is moved upwards, the movable plate 15 is separated from the notch 13, and the movable plate 15 rotates, so that the movable plate 15 is completely separated from the placing plate 12, the placing plate 12 can be rapidly detached and replaced, the test fixture is simple in operation, the test fixture is more convenient to use, then the placing plate 12 is placed on the upper portion of the bottom shell 1, the sleeve 16 is pulled again and is enabled to be aligned with the notch 13, and the sleeve 16 is loosened, and the pressing of the placing plate 12 under the action of the spring 17 can be completed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a whole board test fixture of PCB board, includes drain pan (1), its characterized in that: the utility model discloses a motor, including drain pan (1), threaded rod (6), holding down plate (12), holding down plate (7) and placing plate (12) are in fixed connection, drain pan (1) upper portion rotation is connected with two threaded rods (6), two threaded rods (6) periphery all fixedly connected with band pulley (8) are connected through hold-in range (9), one of them threaded rods (6) bottom fixed connection is at the output of motor (4), motor (4) fixed connection is inside drain pan (1), drain pan (1) upper portion is provided with places board (12), holding down plate (7) and placing plate (12) align each other.
2. The whole board test fixture of a PCB board according to claim 1, wherein: the novel plastic bottle is characterized in that the upper part of the bottom shell (1) is fixedly connected with a supporting plate (2), the middle part of the supporting plate (2) is fixedly connected with a connecting plate (3), and two threaded rods (6) are rotationally connected to the middle part of the connecting plate (3).
3. The whole board test fixture of a PCB board according to claim 2, wherein: two backup pad (2) opposite one side fixedly connected with gag lever post (10), holding down plate (7) both sides are provided with spacing groove (11), gag lever post (10) set up in spacing groove (11) middle part.
4. The whole board test fixture of a PCB board according to claim 1, wherein: the novel plastic connecting device is characterized in that a plurality of connecting rods (14) are fixedly connected to the upper portion of the bottom shell (1), a movable plate (15) is slidably connected to the upper portion of the connecting rods (14), a sleeve (16) is fixedly connected to the upper portion of the movable plate (15), a spring (17) is fixedly connected to the top of the movable plate (15), and the other end of the spring (17) is fixedly connected to the periphery of the connecting rods (14).
5. The whole board test fixture of claim 4, wherein: the edge of the placing plate (12) is provided with a notch (13), and the movable plate (15) is arranged in the middle of the notch (13).
6. The whole board test fixture of a PCB board according to claim 1, wherein: grooves (5) are formed in the left side and the right side of the bottom shell (1).
7. The whole board test fixture of claim 4, wherein: the upper part of the connecting rod (14) is fixedly connected with a limiting plate (18), and the spring (17) is fixedly connected to the bottom of the limiting plate (18).
8. The whole board test fixture of claim 4, wherein: a handle (19) is fixedly connected to the outer side of the sleeve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320957876.XU CN219936029U (en) | 2023-04-25 | 2023-04-25 | Whole board test fixture of PCB board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320957876.XU CN219936029U (en) | 2023-04-25 | 2023-04-25 | Whole board test fixture of PCB board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936029U true CN219936029U (en) | 2023-10-31 |
Family
ID=88497917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320957876.XU Active CN219936029U (en) | 2023-04-25 | 2023-04-25 | Whole board test fixture of PCB board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936029U (en) |
-
2023
- 2023-04-25 CN CN202320957876.XU patent/CN219936029U/en active Active
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