CN210222086U - Test fixture capable of fixing circuit board - Google Patents
Test fixture capable of fixing circuit board Download PDFInfo
- Publication number
- CN210222086U CN210222086U CN201920928677.XU CN201920928677U CN210222086U CN 210222086 U CN210222086 U CN 210222086U CN 201920928677 U CN201920928677 U CN 201920928677U CN 210222086 U CN210222086 U CN 210222086U
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- Prior art keywords
- circuit board
- shaft
- plate
- welded
- sides
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- Expired - Fee Related
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Abstract
The utility model belongs to the test fixture field, especially, but test fixture of fixed circuit board is inconvenient to current but present test fixture fixes the circuit board to stability after fixing the circuit board is relatively poor, influences the test problem to the circuit board, the scheme as follows is proposed now, and it includes the bottom plate, the curb plate has all been welded to the top both sides of bottom plate, and the top welding of two curb plates has same roof, and the mounting groove has been seted up to the bottom of roof, and fixed mounting has the push rod motor in the mounting groove, and the welding has the slurcam on the output shaft of push rod motor, and the bottom welding of slurcam has first grip block, has seted up first hole on the curb plate, and same primary shaft is installed in two first downthehole rotations, and the fixed cover in the outside of. The utility model discloses the practicality is good, can carry out the centre gripping to the top of circuit board and the side of circuit board simultaneously, the effectual stability that has improved after fixing the circuit board.
Description
Technical Field
The utility model relates to a test fixture technical field especially relates to a test fixture of fixable circuit board.
Background
The circuit board makes the circuit miniaturized, direct-viewing, plays important effect to fixed circuit's batch production and optimization electrical apparatus overall arrangement, and the circuit board can be called printed wiring board or printed circuit board.
Use test fixture to detect the circuit board at present, but present test fixture is inconvenient to be fixed the circuit board to stability after fixing the circuit board is relatively poor, the influence is to the test of circuit board.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and having but present test fixture is inconvenient to be fixed the circuit board among the prior art to stability after fixing the circuit board is relatively poor, the influence is to the test shortcoming of circuit board, and the test fixture of the fixed circuit board that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a test fixture capable of fixing a circuit board comprises a bottom plate, side plates are welded on two sides of the top of the bottom plate, the top of the two side plates is welded with the same top plate, a mounting groove is formed in the bottom of the top plate, a push rod motor is fixedly mounted in the mounting groove, a push plate is welded on an output shaft of the push rod motor, a first clamping plate is welded on the bottom of the push plate, first holes are formed in the side plates, the same first shaft is rotatably mounted in the two first holes, a gear is fixedly sleeved on the outer side of the first shaft, a rack is fixedly mounted on one side, close to the first shaft, of the push plate, the gear is meshed with the rack, second holes are formed in the side plates, a second shaft is rotatably mounted in the second holes, two chain wheels are fixedly sleeved on the first shaft and the second shaft respectively, sliding mounting has the slide in the spout, the sideboard has all been welded to one side that two slides kept away from each other, the thread groove has all been seted up to one side that two sideboard kept away from each other, the external screw thread has been seted up in the outside of secondary shaft, epaxial external screw thread of secondary and thread groove threaded connection, the stand hole has been seted up on the slide, sliding mounting has the stand in the stand hole, the equal fixed mounting in one side that two stands are close to each other has the second grip block, the outside cover of stand is equipped with the spring, the one end that two springs are close to each other welds respectively in one side that two second grip blocks kept away from each other, the one end that two springs.
Preferably, the baffle has all been welded to the one end that two stands kept away from each other, and one side that two baffles are close to each other contacts with one side that two slides kept away from each other respectively, carries out spacing processing to the stand.
Preferably, the limiting groove has all been seted up to one side that two curb plates are close to each other, and the limiting plate has all been welded to the both sides of first grip block, and limiting plate slidable mounting makes things convenient for the removal of first grip block in the limiting groove.
Preferably, one side that two second grip blocks are close to each other all is provided with a plurality of rubber sawtooth, is convenient for carry out the centre gripping to circuit board both sides.
Preferably, the bottom of the bottom plate is fixedly provided with four support legs, and the bottoms of the four support legs are fixedly provided with anti-slip pads to support the whole device.
Preferably, the first shaft and the second shaft have the same shaft diameter.
In the utility model, the test fixture capable of fixing the circuit board is matched with the second clamping plate through the bottom plate, the side plate, the top plate, the push rod motor, the push plate, the first hole, the first shaft, the gear, the rack, the second hole, the second shaft, the chain wheel, the chain, the chute, the slide plate, the side plate, the screw groove, the upright post hole, the upright post, the spring and the second clamping plate, the circuit board to be tested is placed at the top of the bottom plate, then the push rod motor is started, the push plate drives the first clamping plate to move, and the circuit board is vertically fixed;
simultaneously rack on the kickboard meshes with the epaxial gear of primary shaft mutually, it rotates to drive the primary shaft, it rotates to drive the secondary shaft, epaxial external screw thread of secondary and thread groove threaded connection, it removes to drive the sideboard, the sideboard drives the slide and removes, the slide drives the second grip block through the stand and removes, when the top of first grip block and circuit board contacts can be guaranteed in the setting of spring, the second grip block can contact with the side of circuit board, carry out the centre gripping to the side of circuit board, the effectual stability after fixing the circuit board that has improved.
The utility model discloses the practicality is good, can carry out the centre gripping to the top of circuit board and the side of circuit board simultaneously, the effectual stability that has improved after fixing the circuit board.
Drawings
Fig. 1 is a schematic structural view of a test fixture capable of fixing a circuit board according to the present invention;
fig. 2 is a schematic structural diagram of a portion a of a test fixture capable of fixing a circuit board according to the present invention;
fig. 3 is a schematic structural diagram of a part B of the test fixture capable of fixing the circuit board according to the present invention.
In the figure: the device comprises a base plate 1, side plates 2, a top plate 3, a push rod motor 4, a push plate 5, a first hole 6, a first shaft 7, a gear 8, a rack 9, a second hole 10, a second shaft 11, a chain wheel 12, a chain 13, a sliding chute 14, a sliding plate 15, a side plate 16, a spiral groove 17, a column hole 18, a column 19, a spring 20 and a second clamping plate 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a testing jig capable of fixing a circuit board comprises a bottom plate 1, side plates 2 are welded on two sides of the top of the bottom plate 1, a same top plate 3 is welded on the top of the two side plates 2, a mounting groove is formed in the bottom of the top plate 3, a push rod motor 4 is fixedly installed in the mounting groove, a push plate 5 is welded on an output shaft of the push rod motor 4, a first clamping plate is welded on the bottom of the push plate 5, a first hole 6 is formed in each side plate 2, a same first shaft 7 is rotatably installed in each first hole 6, a gear 8 is fixedly sleeved on the outer side of each first shaft 7, a rack 9 is fixedly installed on one side, close to each first shaft 7, of the push plate 5, the gear 8 is meshed with the rack 9, a second hole 10 is formed in each side plate 2, a second shaft 11 is rotatably installed in each second hole 10, two chain wheels 12 are fixedly sleeved on, bottom plate 1's top slidable mounting has spout 14, slidable mounting has slide 15 in the spout 14, two slide 15 all weld the sideboard 16 in the one side of keeping away from each other, screw groove 17 has all been seted up to one side that two sideboard 16 kept away from each other, the external screw thread has been seted up in the outside of secondary shaft 11, epaxial external screw thread of secondary shaft 11 and screw groove 17 threaded connection, upright hole 18 has been seted up on slide 15, slidable mounting has stand 19 in the upright hole 18, the equal fixed mounting in one side that two stand 19 are close to each other has second grip block 21, the outside cover of stand 19 is equipped with spring 20, the one end that two spring 20 are close to each other welds respectively in the one side that two second grip blocks 21 were kept away from each other, the one end that two spring 20 were kept away from each.
The utility model discloses in, the baffle has all been welded to the one end that two stands 19 kept away from each other, and one side that two baffles are close to each other contacts with one side that two slides 15 kept away from each other respectively, carries out spacing processing to stand 19.
The utility model discloses in, the spacing groove has all been seted up to one side that two curb plates 2 are close to each other, and the limiting plate has all been welded to the both sides of first grip block, and limiting plate slidable mounting makes things convenient for the removal of first grip block in the spacing groove.
The utility model discloses in, one side that two second grip blocks 21 are close to each other all is provided with a plurality of rubber sawtooth, is convenient for carry out the centre gripping to the circuit board both sides.
The utility model discloses in, bottom plate 1's bottom fixed mounting has four stabilizer blades, and the equal fixed mounting in bottom of four stabilizer blades has the slipmat, supports whole device.
The utility model discloses in, the diameter of axle of primary shaft 7 and secondary shaft 11 is the same.
In the utility model, in use, a circuit board to be tested is placed on the top of the bottom plate 1, then the push rod motor 4 is started, the push rod motor 4 is powered by the storage battery, the push rod motor 4 is controlled by the control switch, the output shaft of the push rod motor 4 drives the push plate 5 to move, the push plate 5 drives the first clamping plate to move, the circuit board is vertically fixed, meanwhile, the rack 9 on the push plate 5 is meshed with the gear 8 on the first shaft 7 to drive the first shaft 7 to rotate, the chain wheel 12 on the first shaft 7 and the outer side of the chain wheel 12 on the second shaft 11 are meshed with the same chain 13 to drive the second shaft 11 to rotate, the external thread on the second shaft 11 is in threaded connection with the screw groove 14 to drive the sideboard 16 to move, the sideboard 16 drives the sliding plate 15 to move, the sliding plate 15 drives the second clamping plate 21 to move through, when the top of first grip block and circuit board is not contacted, second grip block 21 at first contacts with the both sides of circuit board, and when the top that first grip block and circuit board contacted can be guaranteed in the setting of spring 20, second grip block 21 can contact with the side of circuit board, carries out the centre gripping to the side of circuit board, the effectual stability after fixed to the circuit board that has improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A test fixture capable of fixing a circuit board comprises a bottom plate (1) and is characterized in that side plates (2) are welded on two sides of the top of the bottom plate (1), the top of the two side plates (2) is welded with a same top plate (3), a mounting groove is formed in the bottom of the top plate (3), a push rod motor (4) is fixedly mounted in the mounting groove, a push plate (5) is welded on an output shaft of the push rod motor (4), a first clamping plate is welded on the bottom of the push plate (5), first holes (6) are formed in the side plates (2), a same first shaft (7) is rotatably mounted in the two first holes (6), a gear (8) is fixedly sleeved on the outer side of the first shaft (7), a rack (9) is fixedly mounted on one side, close to the first shaft (7), of the push plate (5), the gear (8) is meshed with the rack (9), and a second, a second shaft (11) is rotatably installed in the second hole (10), two chain wheels (12) are respectively and fixedly sleeved on the first shaft (7) and the second shaft (11), the outer sides of the two chain wheels (12) on the same vertical axis are meshed with the same chain (13), a sliding chute (14) is slidably installed at the top of the bottom plate (1), a sliding plate (15) is slidably installed in the sliding chute (14), side plates (16) are welded on one sides of the two sliding plates (15) far away from each other, screw grooves (17) are formed on one sides of the two side plates (16) far away from each other, external threads are formed on the outer side of the second shaft (11), the external threads on the second shaft (11) are in threaded connection with the screw grooves (17), a stand column hole (18) is formed in the sliding plate (15), a stand column (19) is slidably installed in the stand column hole (18), and a second clamping plate, the outside cover of stand (19) is equipped with spring (20), and the one end that two springs (20) are close to each other welds respectively in the one side that two second grip blocks (21) kept away from each other, and the one end that two springs (20) are kept away from each other welds respectively in the one side that two slide (15) are close to each other.
2. The testing fixture for the fixable circuit board as claimed in claim 1, wherein the ends of the two columns (19) away from each other are welded with the baffles, and the sides of the two baffles close to each other are respectively in contact with the sides of the two sliding plates (15) away from each other.
3. The testing fixture for the fixable circuit board as claimed in claim 1, wherein the two side plates (2) are provided with a limiting groove on one side, the limiting plates are welded on two sides of the first clamping plate, and the limiting plates are slidably mounted in the limiting grooves.
4. The testing fixture for fixable circuit boards as claimed in claim 1, wherein the two second clamping plates (21) are provided with a plurality of rubber serrations on the sides adjacent to each other.
5. The testing fixture capable of fixing the circuit board according to claim 1, wherein four support legs are fixedly installed at the bottom of the bottom plate (1), and anti-slip pads are fixedly installed at the bottoms of all the four support legs.
6. The testing fixture for fixable circuit boards according to claim 1, wherein the first shaft (7) and the second shaft (11) have the same shaft diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928677.XU CN210222086U (en) | 2019-06-20 | 2019-06-20 | Test fixture capable of fixing circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928677.XU CN210222086U (en) | 2019-06-20 | 2019-06-20 | Test fixture capable of fixing circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210222086U true CN210222086U (en) | 2020-03-31 |
Family
ID=69932890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920928677.XU Expired - Fee Related CN210222086U (en) | 2019-06-20 | 2019-06-20 | Test fixture capable of fixing circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210222086U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624423A (en) * | 2020-05-26 | 2020-09-04 | 国网山东省电力公司栖霞市供电公司 | Line loss detection device |
| CN112345915A (en) * | 2020-09-30 | 2021-02-09 | 无锡凌通精密工业有限公司 | PCB circuit board positive pole test fixture |
| CN113607984A (en) * | 2021-06-28 | 2021-11-05 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
-
2019
- 2019-06-20 CN CN201920928677.XU patent/CN210222086U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624423A (en) * | 2020-05-26 | 2020-09-04 | 国网山东省电力公司栖霞市供电公司 | Line loss detection device |
| CN112345915A (en) * | 2020-09-30 | 2021-02-09 | 无锡凌通精密工业有限公司 | PCB circuit board positive pole test fixture |
| CN112345915B (en) * | 2020-09-30 | 2022-03-22 | 无锡凌通精密工业有限公司 | PCB circuit board positive pole test fixture |
| CN113607984A (en) * | 2021-06-28 | 2021-11-05 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
| CN113607984B (en) * | 2021-06-28 | 2022-05-31 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |