CN222232614U - A multi-cycle square wave test fixture - Google Patents
A multi-cycle square wave test fixture Download PDFInfo
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- CN222232614U CN222232614U CN202420754856.7U CN202420754856U CN222232614U CN 222232614 U CN222232614 U CN 222232614U CN 202420754856 U CN202420754856 U CN 202420754856U CN 222232614 U CN222232614 U CN 222232614U
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- lifting
- circuit board
- base
- plug
- square wave
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 239000000523 sample Substances 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of test jigs, in particular to a multicycle square wave test jig. The technical scheme includes that the device comprises a base, a support column fixedly arranged on the base, a mounting plate fixedly arranged on the support column, and further comprises a lifting driving mechanism arranged on the mounting plate, wherein a pressing plate is arranged on the lifting driving mechanism, a plurality of spring probes are arranged on the pressing plate, a die for placing a circuit board is arranged on the base, a placing groove for placing a socket of the circuit board is formed in the die, and a plug-in mechanism is arranged on the base and connected with the lifting driving mechanism. According to the utility model, when the lifting plate descends, the plug can be driven to move towards the direction close to the socket of the circuit board through the plug-in mechanism, so that the plug is combined with the socket of the circuit board, and therefore, circuit connection can be rapidly completed, the working efficiency is improved, and the labor is saved.
Description
Technical Field
The utility model relates to the technical field of test jigs, in particular to a multicycle square wave test jig.
Background
The multi-period square wave test fixture is one special device for testing the characteristics of square wave signals in electronic equipment. Such test tools are mainly performed for digital circuits or digital integrated circuits, because square wave signals are a common type of signal in digital circuits. The square wave signal has clear amplitude and time characteristics, and the multi-period square wave test fixture can capture and analyze a complete square wave signal period and signal waveforms of a plurality of periods so as to evaluate the performance and stability of the electronic product.
During testing, the device to be tested needs to be correctly connected with the testing jig. The probes or the connection cables are correctly inserted according to the requirements of the jig and the tested equipment. The existing test fixture needs to be manually connected with the cable, and the test efficiency is slower in batch test.
Disclosure of Invention
The utility model aims to solve the problems in the background technology and provides a multi-period square wave test fixture capable of rapidly connecting cables of tested equipment.
The technical scheme of the utility model is that the multicycle square wave test fixture comprises a base, a support column fixedly arranged on the base, a mounting plate fixedly arranged on the support column, and further comprises:
The lifting driving mechanism is arranged on the mounting plate, a pressing plate is arranged on the lifting driving mechanism, a plurality of spring probes are arranged on the pressing plate, a die for placing a circuit board is arranged on the base, a placing groove for placing a socket of the circuit board is formed in the die, and the lifting driving mechanism drives the spring probes to flexibly fix the circuit board;
The plug-in mechanism is arranged on the base and connected with the lifting driving mechanism, a plug connected with the jack of the circuit board is arranged on the plug-in mechanism, when the lifting mechanism drives the spring probe to descend, the plug is driven to be connected with the jack of the circuit board, and when the spring probe ascends, the plug is separated from the jack of the circuit board.
Optionally, the elevating system includes connecting seat, rotation installation on the mounting panel handle on the connecting seat, fixed mounting in the epaxial eccentric rod of handle, rotation installation on the eccentric rod connecting rod, rotation installation lifter on the connecting rod, fixed mounting sliding sleeve on the connecting seat, lifter and sliding sleeve sliding connection, fixed mounting has the lifter plate on the lifter plate, fixed mounting has a plurality of first springs on the lifter plate, clamp plate fixed mounting is in the one end of first spring.
Optionally, fixed mounting has a plurality of slide bars on the lifter plate, fixed mounting has the stopper on the slide bar, clamp plate and slide bar sliding connection, the clamp plate supports under the effect of first spring and leans on the stopper.
Optionally, a plurality of stand posts are fixedly installed on the base, and the lifting plate is in sliding connection with the stand posts.
Optionally, the grafting mechanism includes fixed mounting bracing piece on the lifter plate, fixed mounting on the bracing piece connecting rod, rotates the gyro wheel slidable mounting on the connecting rod and is in the drive block on the base, plug fixed mounting is on the drive block.
Optionally, be equipped with the spout on the base, fixed mounting has the slider on the drive block, slider and spout sliding connection, fixed mounting has the second spring in the spout, the other end and the slider fixed connection of second spring.
Optionally, the driving block is triangular, and the roller abuts against an inclined plane of the driving block.
Optionally, a power connector and a power button are installed on the base.
Compared with the prior art, the utility model has the following beneficial technical effects:
According to the utility model, the spring probe is driven to descend through the lifting driving mechanism, so that the spring probe is in contact with a test point on the circuit board, signals are transmitted and electric connection is carried out, after the spring probe is in contact with the circuit board, the first spring is compressed by continuously moving the pressing plate downwards, and the first spring applies pressure to the pressing plate, so that the spring probe can be firmly contacted with the circuit board, and loosening is prevented;
Further through grafting mechanism, when the lifter plate descends, drive the drive piece and carry out horizontal migration to the direction that is close to the electronic board, can drive the plug and remove to the direction that is close to the circuit board socket, and then make the plug combine with the socket of circuit board to can accomplish circuit connection fast, improve work efficiency, use manpower sparingly.
Drawings
FIG. 1 shows a schematic diagram of an embodiment of the present utility model;
FIG. 2 shows a second schematic structural diagram of an embodiment of the present utility model;
FIG. 3 shows an enlarged view of a portion of the utility model at A in FIG. 1;
FIG. 4 shows a partial enlarged view of the utility model at B in FIG. 1;
fig. 5 shows a partial enlarged view of the present utility model at C in fig. 2.
The device comprises the following components of 1, a base, 2, a support column, 201, a mounting plate, 3, a connecting seat, 301, a handle, 302, an eccentric rod, 303, a connecting rod, 304, a lifting rod, 305, a sliding sleeve, 306, a sliding rod, 307, a limiting block, 308, a pressing plate, 309, a first spring, 310, a spring probe, 311, a lifting plate, 4, a support rod, 401, a connecting rod, 402, a roller, 403, a driving block, 404, a plug, 405, a sliding groove, 406, a sliding block, 407, a second spring, 5, a stand column, 6, a power button, 601, a power connector, 7, a die, 701 and a placing groove.
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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-3 and fig. 5, the multi-period square wave test fixture provided by the utility model comprises a base 1, a support column 2 fixedly installed on the base 1, and a mounting plate 201 fixedly installed on the support column 2, wherein a power connector 601 and a power button 6 are installed on the base 1. The external power supply is connected with the power connector 601 to supply power to the test fixture, and the power supply state can be controlled through the power button 6;
In this embodiment, the test fixture further includes a lifting driving mechanism installed on the mounting board 201, a pressing plate 308 installed on the lifting driving mechanism, a plurality of spring probes 310 installed on the pressing plate 308, a mold 7 for placing a circuit board installed on the base 1, a placement groove 701 for placing a socket of the circuit board installed on the mold 7, and the lifting driving mechanism drives the spring probes 310 to flexibly fix the circuit board. When testing, the circuit board is put on the die 7, the die 7 is provided with a limit groove corresponding to the circuit board, and the wiring socket of the circuit board is placed in the placing groove 701.
Further, the lifting mechanism comprises a connecting seat 3 fixedly installed on the mounting plate 201, a handle 301 rotatably installed on the connecting seat 3, an eccentric rod 302 fixedly installed on the handle 301, a connecting rod 303 rotatably installed on the eccentric rod 302, a lifting rod 304 rotatably installed on the connecting rod 303, a sliding sleeve 305 fixedly installed on the connecting seat 3, the lifting rod 304 is in sliding connection with the sliding sleeve 305, a lifting plate 311 is fixedly installed on the lifting rod 304, a plurality of first springs 309 are fixedly installed on the lifting plate 311, and a pressing plate 308 is fixedly installed at one end of the first springs 309. The test is performed, the eccentric rod 302 is driven to turn by rotating the handle 301, so that the connecting rod 303 is driven to move, and the lifting rod 304 is driven to move along the axial direction of the sliding sleeve 305 by the connecting rod 303, so that the lifting plate 311 is driven to lift.
Wherein, a plurality of slide bars 306 are fixedly arranged on the lifting plate 311, a limiting block 307 is fixedly arranged on the slide bar 306, the pressing plate 308 is in sliding connection with the slide bar 306, and the pressing plate 308 abuts against the limiting block 307 under the action of the first spring 309. When the lifting plate 311 descends, the first spring 309 is driven to move downwards, so that the pressing plate 308 is driven to move downwards, the spring probe 310 is driven to descend, the spring probe 310 is contacted with a test point on the circuit board, signals are transmitted and electric connection is carried out, after the spring probe 310 is contacted with the circuit board, the pressing plate 308 is continuously moved downwards, the first spring 309 is compressed, and the pressing plate 308 is pressed by the first spring 309, so that the spring probe 310 can be firmly contacted with the circuit board, and loosening is prevented;
Wherein, a plurality of stand columns 5 are fixedly arranged on the base 1, and the lifting plate 311 is in sliding connection with the stand columns 5. The upright post 5 limits the lifting plate 311 when lifting and lowering, and prevents the lifting plate 311 from shifting and tilting.
As shown in fig. 1-2 and fig. 4, the test fixture further includes a plugging mechanism, the plugging mechanism is mounted on the base 1 and connected with the lifting driving mechanism, a plug 404 connected with the jack of the circuit board is mounted on the plugging mechanism, when the lifting mechanism drives the spring probe 310 to descend, the plugging mechanism drives the plug 404 to be connected with the jack of the circuit board, and when the spring probe 310 ascends, the plug 404 is separated from the jack of the circuit board. The plug-in mechanism comprises a supporting rod 4 fixedly arranged on the lifting plate 311, a connecting rod 401 fixedly arranged on the supporting rod 4, a driving block 403 rotatably arranged on the connecting rod 401 and slidably arranged on the base 1, and a plug 404 fixedly arranged on the driving block 403. The base 1 is provided with a chute 405, the driving block 403 is fixedly provided with a slide block 406, the slide block 406 is in sliding connection with the chute 405, the chute 405 is internally fixedly provided with a second spring 407, and the other end of the second spring 407 is fixedly connected with the slide block 406. The driving block 403 is triangular, and the roller 402 abuts against the inclined surface of the driving block 403. When the lifting plate 311 descends, the supporting rod 4 is driven to move downwards, the connecting rod 401 is driven to move downwards, the roller 402 extrudes the driving block 403, the driving block 403 horizontally moves towards the direction close to the electric plate, the plug 404 is driven to move towards the direction close to the socket of the circuit board, the plug 404 is combined with the socket of the circuit board, connection is completed, when the driving block 403 horizontally moves towards the direction close to the electric plate, the second spring 407 is stretched, when the lifting plate 311 ascends, the roller 402 does not extrude the driving block 403 any more, and the driving block 403 is driven to reset under the action of the second spring 407, so that the plug 404 is separated from the socket of the circuit board.
The working principle of the embodiment is that the external power supply is connected with the power connector 601 to supply power to the test fixture, and the power supply state can be controlled through the power button 6. In performing the test, the circuit board is placed on the mold 7, and the wiring insertion opening of the circuit board is placed in the placement groove 701. The eccentric rod 302 is driven to turn by rotating the handle 301, so that the connecting rod 303 drives the lifting rod 304 to move along the axial direction of the sliding sleeve 305, and the lifting plate 311 is driven to lift. When the lifting plate 311 descends, the pressing plate 308 is driven to move downwards, so that the spring probe 310 descends, the spring probe 310 contacts with a test point on the circuit board, after the spring probe 310 contacts with the circuit board, the pressing plate 308 continues to move downwards, the first spring 309 is compressed, the first spring 309 applies pressure to the pressing plate 308, so that the spring probe 310 can be firmly contacted with the circuit board, and loosening is prevented;
When the lifting plate 311 descends, the roller 402 is driven to move downwards, the roller 402 extrudes the driving block 403, so that the driving block 403 horizontally moves towards the direction close to the electric plate, the plug 404 is driven to move towards the direction close to the socket of the circuit board, the plug 404 is combined with the socket of the circuit board, connection is completed, when the lifting plate 311 ascends, the roller 402 ascends and does not extrude the driving block 403, and at the moment, the driving block 403 is driven to reset under the action of the second spring 407, so that the plug 404 is separated from the socket of the circuit board.
The above-described embodiments are merely a few alternative embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (8)
1. The utility model provides a multicycle square wave test fixture, includes base (1), fixed mounting in support column (2) of base (1), fixed mounting board (201) on support column (2), its characterized in that still includes:
The lifting driving mechanism is arranged on the mounting plate (201), a pressing plate (308) is arranged on the lifting driving mechanism, a plurality of spring probes (310) are arranged on the pressing plate (308), a die (7) for placing a circuit board is arranged on the base (1), a placing groove (701) for placing a socket of the circuit board is arranged on the die (7), and the lifting driving mechanism drives the spring probes (310) to flexibly fix the circuit board;
The plug-in mechanism is arranged on the base (1) and connected with the lifting driving mechanism, a plug (404) connected with the jack of the circuit board is arranged on the plug-in mechanism, when the lifting mechanism drives the spring probe (310) to descend, the plug (404) is driven to be connected with the jack of the circuit board, and when the spring probe (310) ascends, the plug (404) is separated from the jack of the circuit board.
2. The multi-cycle square wave test fixture according to claim 1, wherein the lifting mechanism comprises a connecting seat (3) fixedly mounted on the mounting plate (201), a handle (301) rotatably mounted on the connecting seat (3), an eccentric rod (302) fixedly mounted on the handle (301), a connecting rod (303) rotatably mounted on the eccentric rod (302), a lifting rod (304) rotatably mounted on the connecting rod (303), a sliding sleeve (305) fixedly mounted on the connecting seat (3), the lifting rod (304) is in sliding connection with the sliding sleeve (305), a lifting plate (311) is fixedly mounted on the lifting rod (304), a plurality of first springs (309) are fixedly mounted on the lifting plate (311), and the pressing plate (308) is fixedly mounted on one end of the first springs (309).
3. The multi-cycle square wave test fixture according to claim 2, wherein a plurality of sliding rods (306) are fixedly installed on the lifting plate (311), limiting blocks (307) are fixedly installed on the sliding rods (306), the pressing plate (308) is in sliding connection with the sliding rods (306), and the pressing plate (308) abuts against the limiting blocks (307) under the action of the first springs (309).
4. A multicycle square wave test fixture according to claim 3, wherein a plurality of upright posts (5) are fixedly mounted on the base (1), and the lifting plate (311) is slidably connected with the upright posts (5).
5. The multi-cycle square wave test fixture according to claim 2, wherein the plugging mechanism comprises a supporting rod (4) fixedly installed on a lifting plate (311), a connecting rod (401) fixedly installed on the supporting rod (4), a driving block (403) slidingly installed on the base (1) by rotating a roller (402) installed on the connecting rod (401), and the plug (404) is fixedly installed on the driving block (403).
6. The multicycle square wave test fixture according to claim 5, wherein a chute (405) is provided on the base (1), a slider (406) is fixedly mounted on the driving block (403), the slider (406) is slidably connected with the chute (405), a second spring (407) is fixedly mounted in the chute (405), and the other end of the second spring (407) is fixedly connected with the slider (406).
7. The multi-cycle square wave test fixture according to claim 5, wherein the driving block (403) is triangular, and the roller (402) abuts against an inclined surface of the driving block (403).
8. The multi-cycle square wave test fixture according to claim 1, wherein the base (1) is provided with a power connector (601) and a power button (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420754856.7U CN222232614U (en) | 2024-04-12 | 2024-04-12 | A multi-cycle square wave test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420754856.7U CN222232614U (en) | 2024-04-12 | 2024-04-12 | A multi-cycle square wave test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222232614U true CN222232614U (en) | 2024-12-24 |
Family
ID=93905352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420754856.7U Active CN222232614U (en) | 2024-04-12 | 2024-04-12 | A multi-cycle square wave test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222232614U (en) |
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2024
- 2024-04-12 CN CN202420754856.7U patent/CN222232614U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |