CN215493722U - PCB circuit board test fixture - Google Patents
PCB circuit board test fixture Download PDFInfo
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- CN215493722U CN215493722U CN202121831933.7U CN202121831933U CN215493722U CN 215493722 U CN215493722 U CN 215493722U CN 202121831933 U CN202121831933 U CN 202121831933U CN 215493722 U CN215493722 U CN 215493722U
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Abstract
The utility model relates to the technical field of circuit board detection, in particular to a PCB circuit board test fixture, which comprises a bottom plate, wherein side plates are fixed on two sides of the bottom plate, top plates are fixed on the upper parts of the two side plates, a first cross rod is arranged on the outer side of each side plate, a lifting box is arranged above the bottom plate, a first fixing plate is arranged on the outer side of the lifting box, a first fixing block is fixed on the first fixing plate, a second cross rod is fixed on the first fixing block, a clamping plate is sleeved on the second cross rod, a clamping head is arranged on the upper part of the clamping plate in an extending mode, a guide groove is formed in the clamping plate, the first cross rod penetrates into the guide groove, a driving part is fixed on the lower part of the bottom plate, and the output end of the driving part penetrates through the upper part of the bottom plate and is fixed with the lower part of the lifting box. The clamping device can drive all the clamping plates to act simultaneously, and improves the clamping efficiency.
Description
Technical Field
The utility model relates to the technical field of circuit board detection, in particular to a PCB circuit board test clamp.
Background
The PCB is a provider of electrical connection of electronic components, and in actual production, the PCB is often required to be tested to check the connection and electrical properties of each electrical circuit, so that a clamp is required to fix and clamp the PCB in the testing process.
The existing PCB circuit board test clamp disclosed in Chinese patent No. CN211856664U comprises a workbench, wherein an adjusting structure is installed in the supporting box, and two pairs of clamping structures with the same structure are installed in the adjusting structure.
The utility model discloses a press from both sides tight structure and press from both sides the circuit board, but this kind of tight structure of clamp is pressing from both sides tightly or is removing when pressing from both sides tight operation, because the support frame has a plurality ofly, consequently just need adjust one by one, wastes time and energy, the inefficiency of clamping.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a PCB test fixture which can drive all clamping plates to act simultaneously and improve the clamping efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a PCB circuit board test fixture, includes the bottom plate, the both sides of bottom plate all are fixed with the curb plate, two the upper portion of curb plate is fixed with the roof, the outside of curb plate is provided with first horizontal pole, the top of bottom plate is provided with the lift box, the outside of lift box is provided with first fixed plate, be fixed with first fixed block on the first fixed plate, be fixed with the second horizontal pole on the first fixed block, the cover is equipped with splint on the second horizontal pole, the upper portion extension of splint is provided with the chuck, the guide slot has been seted up on the splint, first horizontal pole runs through into in the guide slot, the lower part of bottom plate is fixed with the driving piece, the output of driving piece run through to the upper portion of bottom plate, and with the lower part of lift box is fixed.
Preferably, a width adjusting mechanism is arranged in the lifting box;
the width adjusting mechanism comprises two sliding plates which are arranged in the lifting box in a sliding mode, racks are arranged on the opposite surfaces of the two sliding plates, a gear is meshed between the two racks, and the opposite ends of the two sliding plates are fixed to the first fixing plate;
a first driving mechanism is arranged on the lifting box.
Preferably, the first driving mechanism comprises a rotating shaft which is rotatably connected in the lifting box, the rotating shaft is fixed with the axis of the gear, the upper part of the rotating shaft penetrates through the upper part of the lifting box and is movably connected with a knob, and a through hole is formed in the top plate.
Preferably, a sliding block is fixed on the sliding plate, and a slider connected with the sliding block in a sliding manner is arranged in the lifting box.
Preferably, a length adjusting mechanism is arranged on the first cross rod;
the length adjusting mechanism comprises a first sliding rod fixed on the first cross rod, a first sliding hole connected with the first sliding rod in a sliding mode is formed in the side plate, a second fixing block is fixed on the first cross rod, a second sliding rod is fixed on the lower portion of the second fixing block, and a second sliding hole connected with the second sliding rod in a sliding mode is formed in the first fixing block;
and the first fixed block is provided with a limiting mechanism.
Preferably, the limiting mechanism comprises a second fixing plate fixed on the first fixing block, a limiting groove is formed in the second fixing block, a limiting block is fixed on the lower portion of the clamping plate, and the limiting block is clamped with the limiting groove.
Preferably, the guide groove is composed of a first groove body and a second groove body, and the first groove body is communicated with the second groove body.
Preferably, the driving member is an air cylinder, an electric cylinder or a hydraulic cylinder.
Compared with the prior art, the utility model has the following beneficial effects:
1. the clamping device can drive all the clamping plates to act simultaneously, so that the clamping or releasing process is realized, and the clamping efficiency is improved.
2. The adjustable clamping plate structure can adjust the distance between the clamping plates on the two sides, is further suitable for circuit boards with different widths, can adjust the distance between the clamping plates on each side, is further suitable for circuit boards with different lengths, and is good in universality.
Drawings
FIG. 1 is a schematic perspective view of a clamp according to the present invention;
FIG. 2 is a schematic perspective view of the clamp of the present invention;
FIG. 3 is a side view of the clamp of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 3;
fig. 6 is a schematic cross-sectional view taken along a-a in fig. 3 according to the present invention.
In the figure: 1. a base plate; 2. a side plate; 3. a top plate; 4. a first cross bar; 5. a lifting box; 6. a first fixing plate; 7. a first fixed block; 8. a second cross bar; 9. a splint; 10. a chuck; 11. a guide groove; 12. a drive member; 13. a width adjustment mechanism; 14. a sliding plate; 15. a rack; 16. a gear; 17. a first drive mechanism; 18. a rotating shaft; 19. a knob; 20. a through hole; 21. a slider; 22. a chute; 23. a length adjustment mechanism; 24. a first slide bar; 25. a first slide hole; 26. a second fixed block; 27. a second slide bar; 28. a second slide hole; 29. a limiting mechanism; 30. a second fixing plate; 31. a limiting groove; 32. a limiting block; 33. a first tank body; 34. a second trough body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a PCB circuit board test fixture, comprising a base plate 1, bottom plate 1's both sides all are fixed with curb plate 2, the upper portion of two curb plates 2 is fixed with roof 3, the outside of curb plate 2 is provided with first horizontal pole 4, the top of bottom plate 1 is provided with lift box 5, the outside of lift box 5 is provided with first fixed plate 6, be fixed with first fixed block 7 on the first fixed plate 6, be fixed with second horizontal pole 8 on the first fixed block 7, the cover is equipped with splint 9 on the second horizontal pole 8, the upper portion of splint 9 extends and is provided with chuck 10, chuck 10 can be the rubber material, avoid pressing from both sides bad circuit board, guide slot 11 has been seted up on splint 9, first horizontal pole 4 runs through into in the guide slot 11, the lower part of bottom plate 1 is fixed with driving piece 12, the output of driving piece 12 runs through to the upper portion of bottom plate 1, and fixed with the lower part of lift box 5.
The guide groove 11 is composed of a first groove 33 and a second groove 34, and the first groove 33 and the second groove 34 communicate. The drive member 12 is an air cylinder, an electric cylinder or a hydraulic cylinder. When the output end of the driving part 12 extends out, the lifting box 5 is driven to ascend, the clamping plate 9 is driven to ascend, the first cross rod 4 is transited into the second groove body 34 from the first groove body 33, meanwhile, the clamping plate 9 inclines to the outer side, so that the clamping head 10 is separated from the circuit board after inclining and the clamping head 10 is staggered with the circuit board, and the circuit board can be taken out from the upper part or horizontally drawn out; after the output end of the driving piece 12 retracts, the first cross rod 4 is transited to the first groove body 33 from the second groove body 34, the clamping plate 9 gradually becomes vertical from an inclined state, and then the clamping head 10 downwards abuts against the circuit board to clamp and fix the circuit board.
A width adjusting mechanism 13 is arranged in the lifting box 5; the width adjusting mechanism 13 comprises two sliding plates 14 which are arranged in the lifting box 5 in a sliding manner, racks 15 are arranged on the opposite surfaces of the two sliding plates 14, a gear 16 is meshed between the two racks 15, and the opposite ends of the two sliding plates 14 are fixed with the first fixing plate 6; the lifting box 5 is provided with a first driving mechanism 17. The first driving mechanism 17 comprises a rotating shaft 18 which is rotatably connected in the lifting box 5, the rotating shaft 18 is fixed with the axis of the gear 16, the upper part of the rotating shaft 18 penetrates through the upper part of the lifting box 5, a knob 19 is movably connected, a through hole 20 is formed in the top plate 3, and the knob 19 can be conveniently operated by a worker to rotate through the through hole 20.
Further, a sliding block 21 is fixed on the sliding plate 14, a sliding groove 22 connected with the sliding block 21 in a sliding manner is formed in the lifting box 5, and the sliding plate 14 slides directionally through the matching of the sliding block 21 and the sliding groove 22, so that the two racks 15 are always meshed with the gear 16.
The first cross rod 4 is provided with a length adjusting mechanism 23; the length adjusting mechanism 23 comprises a first sliding rod 24 fixed on the first cross rod 4, a first sliding hole 25 connected with the first sliding rod 24 in a sliding manner is formed in the side plate 2, a second fixing block 26 is fixed on the first cross rod 4, a second sliding rod 27 is fixed at the lower part of the second fixing block 26, and a second sliding hole 28 connected with the second sliding rod 27 in a sliding manner is formed in the first fixing block 7; when the knob 19 is rotated clockwise, the gear 16 is driven to rotate clockwise, the two sliding plates 14 are driven to slide back to back through meshing with the rack 15, then the first fixing plate 6, the first fixing block 7, the second sliding rod 27, the second fixing block 26, the first cross rod 4 and the first sliding rod 24 are driven to move outwards, the distance between the clamping plates 9 on the two sides of the top plate 3 is increased, otherwise, when the knob 19 is rotated reversely, the distance between the clamping plates 9 on the two sides of the top plate 3 is decreased, and through the design, the circuit boards with different widths are suitable for.
The lower part of the clamping plate 9 is sleeved with the second cross rod 8, and the upper part of the clamping plate 9 is also sleeved with the first cross rod 4, so that the clamping plate 9 can slide along the axial direction of the rods to adjust the distance between the clamping plates 9 on each side, and the clamping plates are suitable for circuit boards with different lengths.
The first fixing block 7 is provided with a limiting mechanism 29. Stop gear 29 is including fixing the second fixed plate 30 on first fixed block 7, spacing groove 31 has been seted up on the second fixed block 26, splint 9's lower part is fixed with spacing piece 32, spacing piece 32 and spacing groove 31 joint, spacing piece 32, spacing groove 31's cross-section is just as semi-circular, and the circular arc chamfer passes through between two adjacent spacing grooves 31, through the cooperation of spacing piece 32 and spacing groove 31, can slide the back that finishes at splint 9, reach spacing purpose, make splint 9's position can keep.
The working principle is as follows: before the PCB circuit board test fixture is used, the width and the length of the clamping plate 9 are adjusted;
when the width is adjusted: when the knob 19 is rotated clockwise, the gear 16 is driven to rotate clockwise, the two sliding plates 14 are driven to slide back to back by meshing with the rack 15, then the first fixing plate 6, the first fixing block 7, the second sliding rod 27, the second fixing block 26, the first cross rod 4 and the first sliding rod 24 are driven to move outwards, so that the distance between the clamping plates 9 on the two sides of the top plate 3 is increased, otherwise, when the knob 19 is rotated reversely, the distance between the clamping plates 9 on the two sides of the top plate 3 is decreased, and the design is suitable for circuit boards with different widths;
when the length is adjusted: the lower part of the clamping plate 9 is sleeved with the second cross rod 8, and the upper part of the clamping plate 9 is sleeved with the first cross rod 4, so that the clamping plate 9 can slide along the axial direction to adjust the distance between the clamping plates 9 on each side so as to be suitable for circuit boards with different lengths, and the limiting block 32 is matched with the limiting groove 31, so that the purpose of limiting can be achieved after the clamping plate 9 finishes sliding, and the position of the clamping plate 9 can be kept;
when the circuit board is clamped: when the output end of the driving part 12 extends out, the lifting box 5 is driven to ascend, the clamping plate 9 is driven to ascend, the first cross rod 4 is transited into the second groove body 34 from the first groove body 33, meanwhile, the clamping plate 9 inclines to the outer side, so that the clamping head 10 is separated from the circuit board after inclining and the clamping head 10 is staggered with the circuit board, and the circuit board can be taken out from the upper part or horizontally drawn out; after the output end of the driving piece 12 retracts, the first cross rod 4 is transited to the first groove body 33 from the second groove body 34, the clamping plate 9 gradually becomes vertical from an inclined state, and then the clamping head 10 downwards abuts against the circuit board to clamp and fix the circuit board.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a PCB circuit board test fixture, includes bottom plate (1), the both sides of bottom plate (1) all are fixed with curb plate (2), two the upper portion of curb plate (2) is fixed with roof (3), its characterized in that: the outside of curb plate (2) is provided with first horizontal pole (4), the top of bottom plate (1) is provided with lift box (5), the outside of lift box (5) is provided with first fixed plate (6), be fixed with first fixed block (7) on first fixed plate (6), be fixed with second horizontal pole (8) on first fixed block (7), the cover is equipped with splint (9) on second horizontal pole (8), the upper portion of splint (9) is extended and is provided with chuck (10), guide slot (11) have been seted up on splint (9), first horizontal pole (4) run through into in guide slot (11), the lower part of bottom plate (1) is fixed with driving piece (12), the output of driving piece (12) runs through to the upper portion of bottom plate (1), and with the lower part of lift box (5) is fixed.
2. A PCB board testing fixture according to claim 1, wherein: a width adjusting mechanism (13) is arranged in the lifting box (5);
the width adjusting mechanism (13) comprises two sliding plates (14) which are arranged in the lifting box (5) in a sliding mode, racks (15) are arranged on the opposite surfaces of the two sliding plates (14), a gear (16) is meshed between the two racks (15), and one ends, opposite to each other, of the two sliding plates (14) are fixed to the first fixing plate (6);
a first driving mechanism (17) is arranged on the lifting box (5).
3. A PCB board testing fixture according to claim 2, wherein: first actuating mechanism (17) are including rotating the connection in pivot (18) in lift box (5), pivot (18) with the axle center of gear (16) is fixed, the upper portion of pivot (18) runs through to the upper portion of lift box (5) to swing joint has knob (19), through-hole (20) have been seted up on roof (3).
4. A PCB board testing fixture according to claim 2 or 3, wherein: a sliding block (21) is fixed on the sliding plate (14), and a sliding groove (22) which is in sliding connection with the sliding block (21) is formed in the lifting box (5).
5. A PCB board testing fixture according to claim 1, wherein: a length adjusting mechanism (23) is arranged on the first cross rod (4);
the length adjusting mechanism (23) comprises a first sliding rod (24) fixed on the first cross rod (4), a first sliding hole (25) connected with the first sliding rod (24) in a sliding mode is formed in the side plate (2), a second fixing block (26) is fixed on the first cross rod (4), a second sliding rod (27) is fixed on the lower portion of the second fixing block (26), and a second sliding hole (28) connected with the second sliding rod (27) in a sliding mode is formed in the first fixing block (7);
and a limiting mechanism (29) is arranged on the first fixing block (7).
6. A PCB circuit board test fixture as defined in claim 5, wherein: stop gear (29) is including fixing second fixed plate (30) on first fixed block (7), spacing groove (31) have been seted up on second fixed block (26), the lower part of splint (9) is fixed with spacing piece (32), spacing piece (32) with spacing groove (31) joint.
7. A PCB board testing fixture according to claim 1, wherein: the guide groove (11) is composed of a first groove body (33) and a second groove body (34), and the first groove body (33) is communicated with the second groove body (34).
8. A PCB board testing fixture according to claim 1, wherein: the driving part (12) is an air cylinder, an electric cylinder or a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121831933.7U CN215493722U (en) | 2021-08-06 | 2021-08-06 | PCB circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121831933.7U CN215493722U (en) | 2021-08-06 | 2021-08-06 | PCB circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215493722U true CN215493722U (en) | 2022-01-11 |
Family
ID=79756682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121831933.7U Active CN215493722U (en) | 2021-08-06 | 2021-08-06 | PCB circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215493722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609492A (en) * | 2022-03-31 | 2022-06-10 | 中节能启源雷宇（江苏）电气科技有限公司 | High-voltage discharge test box |
-
2021
- 2021-08-06 CN CN202121831933.7U patent/CN215493722U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609492A (en) * | 2022-03-31 | 2022-06-10 | 中节能启源雷宇（江苏）电气科技有限公司 | High-voltage discharge test box |
| CN114609492B (en) * | 2022-03-31 | 2024-01-16 | 中节能启源雷宇（江苏）电气科技有限公司 | High-voltage electric discharge test box |
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