CN210270071U - Flexible circuit board electric test fixture - Google Patents
Flexible circuit board electric test fixture Download PDFInfo
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- CN210270071U CN210270071U CN201920855925.2U CN201920855925U CN210270071U CN 210270071 U CN210270071 U CN 210270071U CN 201920855925 U CN201920855925 U CN 201920855925U CN 210270071 U CN210270071 U CN 210270071U
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- copper plate
- test
- bakelite
- base
- circuit board
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Abstract
The utility model provides a flexible circuit board electric test fixture, which comprises a test board, a base, a test component and a lifting cylinder, wherein the test component comprises a bakelite, a test needle, a first copper plate, a second copper plate and a first spring; the first spring is located in the groove and arranged between the first copper plate and the second copper plate, the first copper plate and the second copper plate are connected through conductive pieces, the first copper plate is locked at the top of the bakelite through bolts, and the testing pin is installed in the through hole and then connected with the second copper plate. The test assembly is detachable, the test needle and/or the bakelite can be replaced to realize the replacement and the renewal, and the use cost of the device is saved.
Description
Technical Field
The utility model belongs to the technical field of the flexible line way board test, a flexible line way board electric test fixture is related to.
Background
After the flexible circuit board is produced, the flexible circuit board needs to be subjected to power-on test. The test head in the existing power-on test fixture generally adopts a quick-change structure to realize quick model change. The test head needs to be connected with a test power supply, so that the test needle is integrally replaced when the test needle is replaced or damaged, and the use cost of the device is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: an electrical test fixture capable of quickly replacing part of a test head is provided.
The utility model provides a technical scheme as follows:
the flexible circuit board electrical test fixture comprises a test board, a base, a test assembly and a lifting cylinder, wherein the base is positioned above the test board, and the lifting cylinder is used as a power source to drive the base to lift; a plug and socket assembly is installed in the base and the test board together;
the test assembly comprises a bakelite, a test needle, a first copper plate, a second copper plate and a first spring, wherein the bakelite is fixed at the bottom of the base by bolts, a groove is formed in the top of the bakelite, and a plurality of through holes communicated with the groove are formed in the bottom of the bakelite; the first spring is located in the groove and arranged between the first copper plate and the second copper plate, the first copper plate and the second copper plate are connected through conductive pieces, the first copper plate is locked at the top of the bakelite through bolts, and the test needle is installed in the through hole and then connected with the second copper plate.
In the technical scheme, if the test needle is damaged and needs to be replaced, the damaged test needle can be replaced only by disassembling the test fixture and then disassembling the copper plate; if the test needle needs to be changed in shape, the first copper plate, the second copper plate and the first spring are reserved, and the bakelite and/or the test needle can be replaced.
The utility model provides a flexible line way board electric test fixture still includes following additional technical characteristic:
furthermore, blind holes for placing the springs are punched at the bottom of the first copper plate and the top of the second copper plate; an insulating sheet is placed in the blind hole.
Further, an I-shaped groove is formed in the bottom of the base, and a copper block is embedded in the top of the groove; the shape of bakelite is matched with the shape of the I-shaped groove.
Further, the base is provided with a mandril and a second spring on the side surface of the I-shaped groove, one end of the mandril is movably connected with the bakelite, and the other end of the mandril is connected with the second spring.
Furthermore, a positioning needle with a hemispherical top is arranged on the test board; the bottom of base corresponds pilot pin department is provided with the guide bar, the bottom of guide bar is provided with the hemisphere constant head tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the test assembly is detachable, and the model can be replaced only by replacing the test needle and/or the bakelite, so that the use cost of the device is saved;
2. the test needle is of an elastic buffer type, so that the test needle can be prevented from damaging the flexible circuit board;
3. the testing jig adopts an I-shaped mounting structure on the base and adopts the spring to laterally push the testing jig, so that the influence of the mounting clearance on the mounting precision of the testing jig is eliminated, and the position precision of the testing jig is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a front view of a flexible wiring board electrical test fixture disclosed in the first embodiment;
FIG. 2 is a cross-sectional view of a test assembly disclosed in the first embodiment;
fig. 3 is a structural view of mounting of the test assembly disclosed in the second embodiment on the base.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example one
The flexible circuit board electrical test fixture shown in fig. 1 comprises a test bench 10, a base 20, a test assembly 30 and a lifting cylinder 40, wherein the base 20 is located above the test bench 10, and the lifting cylinder 40 is used as a power source to drive the base 20 to lift; the base 20 is provided at the bottom with a plug 50 and the test stand 10 is provided with a socket 60. The testing table 10 is provided with a positioning pin 70 with a hemispherical top, the positioning pin 70 is mainly used for positioning the flexible circuit board, a guide rod 80 is arranged at the bottom of the base 20 corresponding to the positioning pin 70, and a hemispherical positioning slot is arranged at the bottom end of the guide rod 80.
Referring to fig. 2, the test assembly 30 includes a bakelite 31, a test pin 32, a first copper plate 33, a second copper plate 34 and a first spring 35, the bakelite 31 is fixed at the bottom of the base 20 by bolts, a groove is formed at the top of the bakelite 31, and a plurality of through holes communicated with the groove are formed at the bottom of the bakelite 31; blind holes are punched in the bottom of the first copper plate 33 and the top of the second copper plate 34, insulating sheets are placed in the blind holes, and the first spring 35 is clamped between the first copper plate 33 and the second copper plate 34; the first copper plate 33 is connected with the second copper plate 34 through a conductive piece 36, the first copper plate 33 is locked on the top of the bakelite 31 through bolts, and the test pin 32 is installed in the through hole and then connected with the second copper plate 34.
If the test needle 32 is damaged and needs to be replaced, the bolt on the bakelite 31 is only needed to be removed to separate the test fixture from the base 20, then the bolt on the first copper plate 33 is removed, and the damaged test needle 32 can be replaced after the first copper plate and the first spring 35 are taken out and removed. And if the test needle 32 needs to be replaced, taking out the copper plate and the first spring 35, and replacing the bakelite 31 and/or the test needle 32.
Example two
The present embodiment is based on the first embodiment.
Referring to fig. 3, an i-shaped groove 21 is formed in the bottom of the base 20, a copper block is embedded in the top of the groove, the shape of the bakelite 31 is matched with that of the i-shaped groove 21, the test fixture is installed in the i-shaped groove 21 of the base 20, and the first copper plate 33 is in contact with the copper block to achieve conduction. The base 20 is provided with a top rod 22 and a second spring 23 on the side surface of the I-shaped slot 21, one end of the top rod 22 is movably connected with the bakelite 3131, and the other end of the top rod 22 is connected with the second spring 23. The second spring 23 pushes the test fixture laterally, so that the influence of the mounting gap on the mounting precision of the test fixture is eliminated, and the position precision of the test fixture is ensured.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The flexible circuit board electric test fixture is characterized by comprising a test board, a base, a test assembly and a lifting cylinder, wherein the base is positioned above the test board, and the lifting cylinder is used as a power source to drive the base to lift; a plug and socket assembly is installed in the base and the test board together;
the test assembly comprises a bakelite, a test needle, a first copper plate, a second copper plate and a first spring, wherein the bakelite is fixed at the bottom of the base by bolts, a groove is formed in the top of the bakelite, and a plurality of through holes communicated with the groove are formed in the bottom of the bakelite; the first spring is located in the groove and arranged between the first copper plate and the second copper plate, the first copper plate and the second copper plate are connected through conductive pieces, the first copper plate is locked at the top of the bakelite through bolts, and the test needle is installed in the through hole and then connected with the second copper plate.
2. The fixture for testing the flexible circuit board electrically according to claim 1, wherein blind holes for placing the springs are punched at the bottom of the first copper plate and the top of the second copper plate; an insulating sheet is placed in the blind hole.
3. The jig for testing the electric of the flexible circuit board as claimed in claim 1, wherein the bottom of the base is provided with an I-shaped groove, and a copper block is embedded in the top of the groove; the shape of bakelite is matched with the shape of the I-shaped groove.
4. The jig for testing the electric of the flexible circuit board as claimed in claim 3, wherein the base is provided with a post rod and a second spring on the side surface of the I-shaped slot, one end of the post rod is movably connected with the bakelite, and the other end of the post rod is connected with the second spring.
5. The jig for testing the electric quantity of the flexible circuit board as claimed in claim 1, wherein the testing table is provided with a positioning pin with a hemispherical top; the bottom of base corresponds pilot pin department is provided with the guide bar, the bottom of guide bar is provided with the hemisphere constant head tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920855925.2U CN210270071U (en) | 2019-06-06 | 2019-06-06 | Flexible circuit board electric test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920855925.2U CN210270071U (en) | 2019-06-06 | 2019-06-06 | Flexible circuit board electric test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210270071U true CN210270071U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920855925.2U Active CN210270071U (en) | 2019-06-06 | 2019-06-06 | Flexible circuit board electric test fixture |
Country Status (1)
| Country | Link |
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| CN (1) | CN210270071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113721105A (en) * | 2021-09-03 | 2021-11-30 | 江苏力德尔电子信息技术有限公司 | Novel electric measuring machine capable of being rapidly disassembled |
-
2019
- 2019-06-06 CN CN201920855925.2U patent/CN210270071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113721105A (en) * | 2021-09-03 | 2021-11-30 | 江苏力德尔电子信息技术有限公司 | Novel electric measuring machine capable of being rapidly disassembled |
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