CN211236135U - Power supply circuit board test fixture - Google Patents
Power supply circuit board test fixture Download PDFInfo
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- CN211236135U CN211236135U CN201922260846.XU CN201922260846U CN211236135U CN 211236135 U CN211236135 U CN 211236135U CN 201922260846 U CN201922260846 U CN 201922260846U CN 211236135 U CN211236135 U CN 211236135U
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- circuit board
- power supply
- supply circuit
- plate
- test
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Abstract
The utility model discloses a power supply circuit board test fixture, including host computer seat and test lid, the test lid is including the test lid body, be equipped with relative preceding curb plate and posterior lateral plate on the test lid body, the bottom of posterior lateral plate is rotated with the top surface of host computer seat and is connected, the bottom of preceding curb plate and the top surface contact of host computer seat, the internal surface of test lid body is provided with a plurality of probes, the internal surface of preceding curb plate is equipped with the draw-in groove, the top surface of host computer seat is equipped with trip and circuit board and places the board, trip and the cooperation of draw-in groove, the below that the board was placed to the circuit board is equipped with elevating system, the circuit board is placed the board. The utility model provides a technical problem of easy contact failure between current power supply circuit board test fixture's probe and power supply circuit board's test position.
Description
Technical Field
The utility model relates to a circuit board test technical field, in particular to power supply circuit board test fixture.
Background
In power supply circuit board's production process, need test power supply circuit board's performance, traditional power supply circuit board test fixture includes host computer seat and test lid, the top surface of host computer seat bears the power supply circuit board that awaits measuring, the test lid is including the test lid body, be equipped with relative preceding curb plate and posterior lateral plate on the test lid body, and relative left side board and right side board, the bottom of posterior lateral plate rotates with the top surface of host computer seat to be connected, the internal surface of test lid body is equipped with a plurality of probes, the test lid closes the top surface at the host computer seat, the test position contact through a plurality of probes and the power supply circuit board that awaits measuring tests power supply circuit board.
The existing power supply circuit board test fixture only depends on the gravity of the test cover to realize the contact between the probe and the test position, the probe and the test position are easy to have poor contact, and the test accuracy is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects in the prior art and providing a power circuit board test fixture, wherein the clamping hook is matched with the clamping groove, so that the test cover can be fixed, and further a plurality of probes can be fixed; the lifting of the supporting plates can be realized through the sequential transmission of the crank, the driving shaft, the crank, the connecting rod and the supporting plates, and the lifting of the circuit board placing plate can be realized through the lifting of the two supporting plates; before the test, place the power supply circuit board that awaits measuring on the board is placed to the circuit board, trip and draw-in groove cooperation are fixed a plurality of probes, rise through the crank control power supply circuit board that awaits measuring, and the test position and a plurality of probe contact of power supply circuit board that awaits measuring until, in the testing process, through the control crank, can be so that the probe is in good contact's state all the time with the test position of the power supply circuit board that awaits measuring, have improved the accuracy of test.
In order to realize the purpose, the utility model discloses a technical scheme is:
a power supply circuit board test fixture comprises a main machine seat and a test cover, wherein the test cover comprises a test cover body, a front side plate and a rear side plate which are opposite to each other are arranged on the test cover body, the bottom end of the rear side plate is rotatably connected with the top surface of the main machine seat, the bottom end of the front side plate is contacted with the top surface of the main machine seat, a plurality of probes are arranged on the inner surface of the test cover body, a clamping groove is formed in the inner surface of the front side plate, a clamping hook and a circuit board placing plate are arranged on the top surface of the main machine seat and matched with each other, the probes are respectively positioned between the test cover body and the circuit board placing plate, a lifting mechanism is arranged below the circuit board placing plate and comprises a driving shaft and two lifting assemblies which are arranged in the main machine seat in parallel, each lifting assembly comprises a supporting plate, a sliding rail, a connecting rod and a crank, one end of the connecting rod is rotatably connected with the side face of the supporting plate, the other opposite end of the connecting rod is rotatably connected with the side face of one end of the crank, the sliding rails are fixedly connected with the host machine seat respectively and rotatably connected with the driving shaft respectively, the other opposite end of the crank is fixedly connected with the driving shaft respectively, the two opposite ends of the lower end face of the circuit board are arranged in parallel on the supporting plate, a crank is arranged at one end of the driving shaft, and the crank is located outside the host machine seat.
Preferably, the lifting assembly further comprises a lifting auxiliary plate, the upper end surface of the lifting auxiliary plate is fixedly connected with the lower end surface of the supporting plate, the lifting auxiliary plate is connected with the sliding rail in a sliding mode along the direction perpendicular to the circuit board placing plate, the lifting auxiliary plate is located between the supporting plate and the driving shaft, a limiting block protrudes from the side surface of the lifting auxiliary plate, and the limiting block is matched with the crank.
Preferably, the lower end surface of the lifting auxiliary plate is provided with a limiting notch, and the limiting notch is in sliding connection with the driving shaft along the direction perpendicular to the circuit board placing plate.
Preferably, the upper end of the front side plate is rotatably connected with the testing cover body.
Preferably, the outer surface of the front side plate is provided with a handle.
Preferably, the top surface of the circuit board placing plate is provided with a bearing groove and a plurality of limiting bulges, and the limiting bulges are distributed on two opposite sides of the bearing groove.
Preferably, power supply circuit board test fixture still includes the hydraulic pressure bracing piece, still be equipped with relative left side board and right side board on the test lid body, the one end of hydraulic pressure bracing piece is connected with the surface rotation of right side board, the relative other end of hydraulic pressure bracing piece is connected with top surface one side rotation of host computer seat.
The utility model has the advantages that:
1) the clamping hook is matched with the clamping groove, so that the test cover can be fixed, and the probes can be further fixed; the lifting of the supporting plates can be realized through the sequential transmission of the crank, the driving shaft, the crank, the connecting rod and the supporting plates, and the lifting of the circuit board placing plate can be realized through the lifting of the two supporting plates; before the test, place the power supply circuit board that awaits measuring on the board is placed to the circuit board, trip and draw-in groove cooperation are fixed a plurality of probes, rise through the crank control power supply circuit board that awaits measuring, and the test position and a plurality of probe contact of power supply circuit board that awaits measuring until, in the testing process, through the control crank, can be so that the probe is in good contact's state all the time with the test position of the power supply circuit board that awaits measuring, have improved the accuracy of test.
2) The side protrusion of lift accessory plate has the stopper, when the crank rotated to the position with the stopper contact, the probe was in best contact state with the test position of the power supply circuit board that awaits measuring, therefore the setting of stopper not only can make the power supply circuit board that awaits measuring arrive best test position fast, can prevent moreover because too big hard to the crank, and led to the fact the damage to the probe.
3) The upper end of the front side plate is rotatably connected with the testing cover body, and the combination or separation of the clamping hook and the clamping groove can be realized only by rotating the front side plate.
4) The surface of preceding curb plate is equipped with the handle, has made things convenient for and has rotated preceding curb plate.
5) The limiting bulges are arranged on the two opposite sides of the bearing groove, so that the rapid positioning of the board for placing the power circuit board to be tested and the circuit board can be realized, and the power circuit board to be tested can be prevented from moving in the test process.
Drawings
Fig. 1 is a schematic view of the overall structure of a power circuit board testing jig of the present invention;
fig. 2 is a schematic structural diagram of a lifting mechanism in the power circuit board testing jig of the present invention;
fig. 3 is an assembly diagram of a support plate, a lifting auxiliary plate, a slide rail and a limiting block in the power circuit board testing jig of the present invention;
fig. 4 is a schematic structural diagram of a circuit board placing board in the power circuit board testing jig of the present invention.
In the figure: 1. a main machine base; 11. a hook is clamped; 2. testing the cover; 21. a test cap body; 22. a probe; 23. a front side plate; 231. a card slot; 24. a left side plate; 25. a right side plate; 26. a handle; 3. a hydraulic support rod; 4. a lifting mechanism; 41. a drive shaft; 42. a crank; 43. a lifting assembly; 431. a connecting rod; 432. a support plate; 433. a lifting auxiliary plate; 4331. a limiting notch; 434. a limiting block; 435. a slide rail; 436. a crank; 5. a circuit board placing board; 51. a bearing groove; 52. and a limiting bulge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides a power supply circuit board test fixture.
A power circuit board test fixture comprises a main machine seat 1 and a test cover 2, the test cover 2 comprises a test cover body 21, a front side plate 23 and a rear side plate (not marked) which are opposite to each other are arranged on the test cover body 21, the bottom end of the rear side plate is rotatably connected with the top surface of the main machine seat 1, the bottom end of the front side plate 23 is contacted with the top surface of the main machine seat 1, a plurality of probes 22 are arranged on the inner surface of the test cover body 21, a clamping groove 231 is arranged on the inner surface of the front side plate 23, a clamping hook 11 and a circuit board placing plate 5 are arranged on the top surface of the main machine seat 1, the clamping hook 11 is matched with the clamping groove 231, the plurality of probes 22 are respectively positioned between the test cover body 21 and the circuit board placing plate 5, a lifting mechanism 4 is arranged below the circuit board placing plate 5, the lifting mechanism 4 comprises a driving shaft 41 and two lifting assemblies 43 which, the supporting plate 432 and the sliding rails 435 are in sliding fit in a direction perpendicular to the circuit board placing plate 5, one end of the connecting rod 431 is rotatably connected with the side surface of the supporting plate 432, the other opposite end of the connecting rod 431 is rotatably connected with the side surface of one end of the crank 436, the two sliding rails 435 are respectively fixedly connected with the main machine base 1 and are respectively rotatably connected with the driving shaft 41, the other opposite ends of the two cranks 436 are respectively fixedly connected with the driving shaft 41, the two supporting plates 432 are arranged at two opposite ends of the lower end surface of the circuit board placing plate 5 in parallel, one end of the driving shaft 41 is provided with the crank 42, and the crank 42 is located.
The clamping hooks 11 are matched with the clamping grooves 231, so that the test cover 2 can be fixed, and the probes 22 can be further fixed; the lifting of the support plates 432 can be realized by the sequential transmission of the crank 42, the drive shaft 41, the crank 436, the connecting rod 431 and the support plates 432, and the lifting of the two support plates 432 can be realized by the lifting of the circuit board placing plate 5; before the test, place the power supply circuit board (not shown) that awaits measuring on board 5 is placed to the circuit board, trip 11 and draw-in groove 231 cooperation are fixed a plurality of probes 22, and the power supply circuit board that awaits measuring through crank 42 control rises, and the test position of the power supply circuit board that awaits measuring contacts with a plurality of probes 22 until, in the testing process, through control crank 42, can make the test position of probe 22 and the power supply circuit board that awaits measuring be in good contact's state all the time, have improved the accuracy of test.
Preferably, the lifting assembly 43 further comprises a lifting auxiliary plate 433, an upper end surface of the lifting auxiliary plate 433 is fixedly connected with a lower end surface of the supporting plate 432, the lifting auxiliary plate 433 is slidably connected with the sliding rail 435 along a direction perpendicular to the circuit board placing plate 5, the lifting auxiliary plate 433 is located between the supporting plate 432 and the driving shaft 41, a limiting block 434 protrudes from a side surface of the lifting auxiliary plate 433, and the limiting block 434 is matched with the crank 436. A limit block 434 protrudes from the side surface of the lifting auxiliary plate 433, and when the crank 436 rotates to a position contacting with the limit block 434, the test position of the probe 22 and the power circuit board to be tested is in an optimal contact state, so that the setting of the limit block 434 can not only enable the power circuit board to be tested to quickly reach the optimal test position, but also prevent the probe 22 from being damaged due to excessive force applied to the crank 42.
Preferably, the lower end surface of the elevation auxiliary plate 433 is provided with a limit notch 4331, and the limit notch 4331 is slidably connected to the driving shaft 41 in a direction perpendicular to the circuit board placement plate 5.
Preferably, the upper end of the front side plate 23 is rotatably connected to the test cap body 21. With the structure, the hook 11 and the slot 231 can be combined or separated only by rotating the front side plate 23.
Preferably, the outer surface of the front side plate 23 is provided with a handle 26. With this structure, the rotation of the front side plate 23 is facilitated.
Preferably, the top surface of the circuit board placing board 5 is provided with a bearing groove 51 and a plurality of limiting protrusions 52, and the plurality of limiting protrusions 52 are distributed on two opposite sides of the bearing groove 51. Through set up spacing arch 52 in the relative both sides of bearing groove 51, can realize the quick location of waiting to await measuring power supply circuit board and circuit board place board 5 to can prevent that the power supply circuit board that awaits measuring from taking place to remove in the testing process.
Preferably, the power supply circuit board test fixture further comprises a hydraulic support rod 3, a left side plate 24 and a right side plate 25 which are opposite to each other are further arranged on the test cover body 21, one end of the hydraulic support rod 3 is rotatably connected with the outer surface of the right side plate 25, and the other end of the hydraulic support rod 3 is rotatably connected with one side of the top surface of the main engine base 1.
The utility model discloses a use as follows:
1) placing a power circuit board to be tested on the circuit board placing plate 5;
2) the box cover is covered on the top surface of the main machine base 1, the handle 26 on the front side plate 23 is held by hand, and the clamping hook 11 is combined with the clamping groove 231 by rotating the front side plate 23;
3) rotating the crank 42 counterclockwise until the crank 436 contacts the limit block 434, and at this time, the probe 22 is in the best contact state with the testing position of the power circuit board to be tested;
4) starting the test, wherein in the test process, the position of the crank 42 is kept unchanged until the test is finished;
5) after the test is completed, the crank 42 is released.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. A power supply circuit board test fixture comprises a main machine seat and a test cover, wherein the test cover comprises a test cover body, a front side plate and a rear side plate which are opposite to each other are arranged on the test cover body, the bottom end of the rear side plate is rotatably connected with the top surface of the main machine seat, the bottom end of the front side plate is contacted with the top surface of the main machine seat, and a plurality of probes are arranged on the inner surface of the test cover body. The direction sliding fit that board was placed along the perpendicular to circuit board to backup pad and slide rail, the one end of connecting rod is rotated with the side of backup pad and is connected, the relative other end of connecting rod is rotated with the side of crank one end and is connected, two the slide rail respectively with host computer seat fixed connection to rotate with the drive shaft respectively and be connected, two articulate relative other end respectively with drive shaft fixed connection, two backup pad parallel arrangement places the relative both ends of terminal surface under the board at the circuit board, the one end of drive shaft is equipped with the crank, the crank is located the outside of host computer seat.
2. The power supply circuit board testing jig according to claim 1, wherein the lifting assembly further comprises a lifting auxiliary plate, an upper end surface of the lifting auxiliary plate is fixedly connected with a lower end surface of the supporting plate, the lifting auxiliary plate is slidably connected with the slide rail in a direction perpendicular to the circuit board placing plate, the lifting auxiliary plate is located between the supporting plate and the driving shaft, a limiting block protrudes from a side surface of the lifting auxiliary plate, and the limiting block is matched with the crank.
3. The power supply circuit board testing jig according to claim 2, wherein the lower end surface of the lifting auxiliary plate is provided with a limiting notch, and the limiting notch is slidably connected with the driving shaft in a direction perpendicular to the circuit board placing plate.
4. The power supply circuit board testing jig according to claim 3, wherein the upper end of the front side plate is rotatably connected to the testing cover body.
5. The power supply circuit board testing jig according to claim 4, wherein a handle is provided on an outer surface of the front side plate.
6. The power supply circuit board testing jig according to claim 5, wherein the top surface of the circuit board placing plate is provided with a bearing groove and a plurality of limiting protrusions, and the limiting protrusions are distributed on two opposite sides of the bearing groove.
7. The power supply circuit board testing jig of claim 6, characterized in that, the power supply circuit board testing jig further comprises a hydraulic support rod, the testing cover body is further provided with a left side plate and a right side plate which are opposite, one end of the hydraulic support rod is rotatably connected with the outer surface of the right side plate, and the other end of the hydraulic support rod is rotatably connected with one side of the top surface of the main machine base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922260846.XU CN211236135U (en) | 2019-12-13 | 2019-12-13 | Power supply circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922260846.XU CN211236135U (en) | 2019-12-13 | 2019-12-13 | Power supply circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211236135U true CN211236135U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922260846.XU Active CN211236135U (en) | 2019-12-13 | 2019-12-13 | Power supply circuit board test fixture |
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| Country | Link |
|---|---|
| CN (1) | CN211236135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643163A (en) * | 2020-12-28 | 2021-04-13 | 广州高慧网络科技有限公司 | Welding joint equipment for printed circuit board and electronic element |
-
2019
- 2019-12-13 CN CN201922260846.XU patent/CN211236135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643163A (en) * | 2020-12-28 | 2021-04-13 | 广州高慧网络科技有限公司 | Welding joint equipment for printed circuit board and electronic element |
| CN112643163B (en) * | 2020-12-28 | 2021-12-24 | 广州高慧网络科技有限公司 | Welding joint equipment for printed circuit board and electronic element |
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