CN213957553U - Pressing plate structure of circuit board test fixture - Google Patents
Pressing plate structure of circuit board test fixture Download PDFInfo
- Publication number
- CN213957553U CN213957553U CN202023075825.XU CN202023075825U CN213957553U CN 213957553 U CN213957553 U CN 213957553U CN 202023075825 U CN202023075825 U CN 202023075825U CN 213957553 U CN213957553 U CN 213957553U
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- Prior art keywords
- circuit board
- testing
- test
- pressing plate
- groove
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 239000000523 sample Substances 0.000 claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
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- Tests Of Electronic Circuits (AREA)
Abstract
The utility model relates to a circuit board testing technology field, and discloses a clamp plate structure of circuit board testing jig, including the test base, the upper surface of test base has seted up test groove, and the tank bottom fixed mounting of test groove has a plurality of test probes, is equipped with the circuit board body in the test groove, and the test point of circuit board body lower surface sets up with test probe laminating, and the top fixed mounting of test base has U type frame, and U type frame is connected with the movable plate through lift positioning mechanism, and the below of movable plate is equipped with the clamp plate of laminating with the circuit board body mutually, and is connected through four elastic component that are matrix distribution between clamp plate and the movable plate; the lifting positioning mechanism comprises slide bars which are symmetrically and fixedly connected to the upper surface of the end part of the moving plate, and the top ends of the slide bars are arranged in a manner of sliding through the top of the U-shaped frame. The utility model discloses not only conveniently compress tightly the location to the circuit board that awaits measuring, guarantee moreover can not cause the damage to the circuit board because of pressure is too big.
Description
Technical Field
The utility model relates to a circuit board test technical field especially relates to a circuit board test fixture's clamp plate structure.
Background
Need carry out the voltage and current test after the circuit board is prepared, the test point is very many, leans on the manpower to go the test one by one, and not only inefficiency takes place to omit in addition easily, treats the circuit board that detects through circuit board test fixture and fixes a position, can realize circuit board multiple spot test to effectively improve efficiency of software testing.
However, in the prior art, the press plate of the circuit board testing jig is mostly controlled to ascend and descend by the air cylinder in the process of positioning the circuit board, and the pressing force of the press plate on the circuit board cannot be reasonably and accurately controlled when the air cylinder controls the press plate to ascend and descend, so that the circuit board is easily damaged due to overlarge pressure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the above background art, and the clamp plate structure of a circuit board test fixture that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pressing plate structure of a circuit board testing jig comprises a testing base, wherein a testing groove is formed in the upper surface of the testing base, a plurality of testing probes are fixedly mounted at the bottom of the testing groove, a circuit board body is arranged in the testing groove, testing points of the lower surface of the circuit board body are arranged in a fit mode with the testing probes, a U-shaped frame is fixedly mounted at the top of the testing base, the U-shaped frame is connected with a moving plate through a lifting positioning mechanism, a pressing plate which is in fit with the circuit board body is arranged below the moving plate, and the pressing plate and the moving plate are connected through four elastic assemblies distributed in a matrix;
the lifting positioning mechanism comprises slide bars which are symmetrically and fixedly connected to the upper surface of the end part of the movable plate, the top ends of the slide bars are arranged in a manner of penetrating through the top of the U-shaped frame in a sliding manner, first springs are sleeved on the outer sides of the slide bars, two ends of each first spring are fixedly connected with the lower surface of the top of the U-shaped frame and the upper surface of the movable plate respectively, a pull rod is rotatably connected to the center of the upper surface of the movable plate through a bearing seat, a threaded hole is formed in the center of the top of the U-shaped frame, two threaded blocks matched with the threaded hole are fixedly sleeved on the pull rod, and the threaded block arranged above the pull rod is in threaded connection with the threaded hole;
the elastic component comprises a sleeve fixedly connected to the lower surface of the movable plate, an annular groove is formed in the inner wall of the sleeve, a matched annular block is connected to the annular groove in a sliding mode, a second spring is fixedly connected between the annular block and the bottom of the sleeve inside the sleeve, an inserting rod is fixedly connected to one side, away from the second spring, of the annular block, and the other end of the inserting rod is fixedly connected with the upper surface of the pressing plate.
Preferably, the fixed U type pipe that inlays in the test base, and the both ends at U type pipe top all extend to test in the groove, the both ends at U type pipe top all are fixed the intercommunication and have the sucking disc, and the lower surface laminating setting of sucking disc and circuit board body, the recess has been seted up to the lower surface of test base, and the tank bottom fixed mounting of recess has the sorption pump, the input and the fixed intercommunication of U type pipe of sorption pump.
Preferably, the lower surface of the pressing plate is fixedly connected with a matched protection pad, and the lower surface of the protection pad is attached to the upper surface of the circuit board body.
Preferably, a rotating handle is fixedly mounted at one end of the pull rod, which is far away from the moving plate.
Preferably, a blocking cap is fixedly installed at one end, far away from the moving plate, of the sliding rod.
Compared with the prior art, the utility model provides a circuit board test fixture's clamp plate structure possesses following beneficial effect:
this circuit board test fixture's clamp plate structure, through setting up the test groove, the test probe, the circuit board body, lift positioning mechanism, the movable plate, clamp plate and elastic component, the circuit board body that awaits measuring is arranged in the test groove, make the test point of its lower surface laminate with the test probe, lift positioning mechanism not only conveniently controls the movable plate and goes up and down, and conveniently lock the position after the movable plate goes up and down, control under the movable plate will be back, cooperation elastic component will make the clamp plate produce the packing force to the circuit board body, thereby not only conveniently compress tightly the location to the circuit board that awaits measuring, and guarantee can not cause the damage to the circuit board because of the pressure is too big.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only conveniently compress tightly the location to the circuit board that awaits measuring, guarantee moreover can not cause the damage to the circuit board because of pressure is too big.
Drawings
Fig. 1 is a schematic structural diagram of a pressing plate structure of a circuit board testing jig according to the present invention;
fig. 2 is the utility model provides a pressing plate structure elastic component's of circuit board test fixture structural sketch.
In the figure: the test device comprises a test base 1, a test groove 2, a test probe 3, a circuit board body 4, a U-shaped frame 5, a movable plate 6, a pressing plate 7, a sliding rod 8, a first spring 9, a pull rod 10, a threaded hole 11, a threaded block 12, a sleeve 13, an annular groove 14, an annular block 15, a second spring 16, an inserted rod 17, a U-shaped pipe 18, a sucker 19, a groove 20, an adsorption pump 21, a protection pad 22, a rotating handle 23 and a blocking cap 24.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.
Referring to fig. 1-2, a pressing plate structure of a circuit board testing jig comprises a testing base 1, wherein a testing groove 2 is formed in the upper surface of the testing base 1, a plurality of testing probes 3 are fixedly mounted at the bottom of the testing groove 2, a circuit board body 4 is arranged in the testing groove 2, testing points of the lower surface of the circuit board body 4 are attached to the testing probes 3, a U-shaped frame 5 is fixedly mounted at the top of the testing base 1, the U-shaped frame 5 is connected with a moving plate 6 through a lifting positioning mechanism, a pressing plate 7 attached to the circuit board body 4 is arranged below the moving plate 6, and the pressing plate 7 is connected with the moving plate 6 through four elastic components distributed in a matrix;
the lifting positioning mechanism comprises slide bars 8 which are symmetrically and fixedly connected to the upper surface of the end part of the movable plate 6, the top ends of the slide bars 8 are arranged in a manner of penetrating through the top of the U-shaped frame 5 in a sliding manner, first springs 9 are sleeved on the outer sides of the slide bars 8, two ends of each first spring 9 are fixedly connected with the lower surface of the top of the U-shaped frame 5 and the upper surface of the movable plate 6 respectively, a pull rod 10 is rotatably connected to the center of the upper surface of the movable plate 6 through a bearing seat, a threaded hole 11 is formed in the center of the top of the U-shaped frame 5, two threaded blocks 12 matched with the threaded hole 11 are fixedly sleeved on the pull rod 10, and the threaded block 12 arranged above the pull rod is in threaded connection with the threaded hole 11;
the elastic component comprises a sleeve 13 fixedly connected to the lower surface of the moving plate 6, an annular groove 14 is formed in the inner wall of the sleeve 13, a matched annular block 15 is connected in the annular groove 14 in a sliding mode, a second spring 16 is fixedly connected between the annular block 15 and the bottom of the sleeve inside the sleeve 13, an insertion rod 17 is fixedly connected to one side, far away from the second spring 16, of the annular block 15, the other end of the insertion rod 17 is fixedly connected with the upper surface of the pressing plate 7, the circuit board body 4 to be tested is placed in the test slot 2, the test point of the lower surface of the circuit board body is attached to the test probe 3, the pull rod 10 is rotated to drive the threaded block 12 at the bottom end to be separated from the threaded hole 11, so that the moving plate 6 is driven to descend by the first spring 9, the pressing plate 7 is driven to abut against the circuit board body 4 after the moving plate 6 descends, the insertion rod 17 drives the annular block 15 to slide along the annular groove 14 and compress the second spring 16, and the circuit board to be tested is conveniently compressed and positioned, the pull rod 10 is rotated to drive the thread block 12 at the top end to be in threaded connection with the threaded hole 11, so that the position of the moving plate 6 is conveniently locked, and the phenomenon that the moving plate 6 is driven to descend under the action of external force to damage the circuit board body 4 is avoided.
Fixed mosaic has U type pipe 18 in test base 1, and the both ends at U type pipe 18 top all extend to test in the groove 2, the equal fixed intercommunication in both ends at U type pipe 18 top has sucking disc 19, and sucking disc 19 sets up with the lower surface laminating of circuit board body 4, test base 1's lower surface is seted up flutedly 20, and groove 20's tank bottom fixed mounting has sorption pump 21, sorption pump 21's input and the fixed intercommunication of U type pipe 18, circuit board body 4's test point and test probe 3 laminating back, start sorption pump 21, thereby cooperation sucking disc 19 conveniently tentatively fixes a position circuit board body 4, the stability of circuit board body 4 positions is improved.
The lower surface of the pressing plate 7 is fixedly connected with a matched protection pad 22, and the lower surface of the protection pad 22 is attached to the upper surface of the circuit board body 4, so that the circuit board body 4 is protected conveniently.
And a rotating handle 23 is fixedly arranged at one end of the pull rod 10 far away from the moving plate 6, so that the rotation of the pull rod 10 can be controlled conveniently.
A stop cap 24 is fixedly arranged at one end of the sliding rod 8 far away from the moving plate 6, so that the sliding distance of the sliding rod 8 is conveniently limited, and the sliding rod is prevented from being separated from the U-shaped frame 5.
The utility model discloses in, test groove 2 is arranged in to the circuit board body 4 of examination of awaiting measuring, make the test point of its lower surface laminate with test probe 3, rotation pull rod 10 makes its screw block 12 and the separation of screw hole 11 that drive the bottom, thereby make things convenient for first spring 9 to drive movable plate 6 and descend, 6 decline backs of movable plate, will drive the 7 conflict circuit board bodies 4 of clamp plate, make inserted bar 17 drive ring block 15 slide and compress second spring 16 along ring channel 14, thereby the convenience compresses tightly the location to the circuit board of examination of awaiting measuring, rotation pull rod 10 makes its screw block 12 and the 11 threaded connection of screw hole that drives the top, thereby the convenience is locked the position of movable plate 6, it descends and causes the damage to circuit board body 4 to avoid driving movable plate 6 under the exogenic action.
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 (5)
1. The pressing plate structure of the circuit board testing jig comprises a testing base (1) and is characterized in that a testing groove (2) is formed in the upper surface of the testing base (1), a plurality of testing probes (3) are fixedly mounted at the bottom of the testing groove (2), a circuit board body (4) is arranged in the testing groove (2), testing points of the lower surface of the circuit board body (4) are attached to the testing probes (3), a U-shaped frame (5) is fixedly mounted at the top of the testing base (1), the U-shaped frame (5) is connected with a moving plate (6) through a lifting positioning mechanism, a pressing plate (7) attached to the circuit board body (4) is arranged below the moving plate (6), and the pressing plate (7) is connected with the moving plate (6) through four elastic components in matrix distribution;
the lifting positioning mechanism comprises slide bars (8) which are symmetrically and fixedly connected to the upper surface of the end part of the movable plate (6), the top ends of the slide bars (8) are arranged in a manner of penetrating through the top of the U-shaped frame (5) in a sliding manner, first springs (9) are sleeved on the outer sides of the slide bars (8), two ends of each first spring (9) are fixedly connected with the lower surface of the top of the U-shaped frame (5) and the upper surface of the movable plate (6) respectively, the center of the upper surface of the movable plate (6) is rotatably connected with a pull rod (10) through a bearing seat, a threaded hole (11) is formed in the center of the top of the U-shaped frame (5), two threaded blocks (12) matched with the threaded hole (11) are fixedly sleeved on the pull rod (10), and the threaded blocks (12) arranged above the pull rod are in threaded connection with the threaded holes (11);
elastic component includes sleeve (13) of fixed connection at movable plate (6) lower surface, ring channel (14) have been seted up on the inner wall of sleeve (13), and sliding connection has annular piece (15) that matches in ring channel (14), fixedly connected with second spring (16) between the bobbin base of annular piece (15) and sleeve (13) inside, one side fixedly connected with inserted bar (17) of second spring (16) are kept away from in annular piece (15), the other end of inserted bar (17) is connected with the last fixed surface of clamp plate (7).
2. The pressing plate structure of the circuit board testing jig according to claim 1, wherein a U-shaped pipe (18) is fixedly embedded in the testing base (1), two ends of the top of the U-shaped pipe (18) extend into the testing groove (2), two ends of the top of the U-shaped pipe (18) are fixedly communicated with a sucker (19), the sucker (19) is attached to the lower surface of the circuit board body (4), a groove (20) is formed in the lower surface of the testing base (1), an adsorption pump (21) is fixedly mounted at the bottom of the groove (20), and an input end of the adsorption pump (21) is fixedly communicated with the U-shaped pipe (18).
3. The pressing plate structure of the circuit board testing jig according to claim 1, wherein the lower surface of the pressing plate (7) is fixedly connected with a matched protection pad (22), and the lower surface of the protection pad (22) is attached to the upper surface of the circuit board body (4).
4. The pressing plate structure of the circuit board testing jig of claim 1, characterized in that a rotating handle (23) is fixedly arranged at one end of the pull rod (10) far away from the moving plate (6).
5. The pressing plate structure of the circuit board testing jig according to claim 1, wherein a stop cap (24) is fixedly mounted at one end of the sliding rod (8) far away from the moving plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023075825.XU CN213957553U (en) | 2020-12-19 | 2020-12-19 | Pressing plate structure of circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023075825.XU CN213957553U (en) | 2020-12-19 | 2020-12-19 | Pressing plate structure of circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213957553U true CN213957553U (en) | 2021-08-13 |
Family
ID=77193368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023075825.XU Expired - Fee Related CN213957553U (en) | 2020-12-19 | 2020-12-19 | Pressing plate structure of circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213957553U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739690A (en) * | 2022-11-24 | 2023-03-07 | 深圳市安泽通科技发展有限公司 | LED patch detection device and detection method |
| CN116184173A (en) * | 2023-03-08 | 2023-05-30 | 苏州雨和晴汽车科技有限公司 | Testing device for annular PCB (printed circuit board) of front-row cosmetic lamp of automobile |
-
2020
- 2020-12-19 CN CN202023075825.XU patent/CN213957553U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739690A (en) * | 2022-11-24 | 2023-03-07 | 深圳市安泽通科技发展有限公司 | LED patch detection device and detection method |
| CN115739690B (en) * | 2022-11-24 | 2023-10-27 | 深圳市安泽通科技发展有限公司 | LED patch detection equipment and detection method |
| CN116184173A (en) * | 2023-03-08 | 2023-05-30 | 苏州雨和晴汽车科技有限公司 | Testing device for annular PCB (printed circuit board) of front-row cosmetic lamp of automobile |
| CN116184173B (en) * | 2023-03-08 | 2023-08-18 | 苏州雨和晴汽车科技有限公司 | Testing device for annular PCB (printed circuit board) of front-row cosmetic lamp of automobile |
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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: 20210813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |