CN109459679B - FPC detection jig and use method thereof - Google Patents
FPC detection jig and use method thereof Download PDFInfo
- Publication number
- CN109459679B CN109459679B CN201811378982.2A CN201811378982A CN109459679B CN 109459679 B CN109459679 B CN 109459679B CN 201811378982 A CN201811378982 A CN 201811378982A CN 109459679 B CN109459679 B CN 109459679B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims description 5
- 208000032544 Cicatrix Diseases 0.000 abstract 1
- 231100000241 scar Toxicity 0.000 abstract 1
- 230000037387 scars Effects 0.000 abstract 1
- 238000007373 indentation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2818—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP] using test structures on, or modifications of, the card under test, made for the purpose of testing, e.g. additional components or connectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention relates to an FPC (flexible printed circuit) detection jig which comprises a bracket, wherein the bracket comprises a bottom plate which is horizontally arranged, two ends of the bottom plate are vertically provided with support columns, and the inner sides of the support columns are provided with sliding grooves which vertically penetrate through the support columns; a pressing plate is horizontally arranged between the support columns on two sides of the bottom plate, two sides of the pressing plate are provided with sliding blocks corresponding to the sliding grooves, the side surfaces of the sliding blocks are propped against the side walls of the sliding grooves, and the sliding blocks are slidably matched with the sliding grooves; the bottom of the front end side wall of the support column is also provided with an opening penetrating through the front end side wall of the support column, the opening is communicated with the chute, and the height of the opening is larger than the thickness value of a golden finger of the FPC to be tested; the bottom plate is provided with a connecting circuit, and the connecting circuit is positioned between the two openings; and a driving mechanism for driving the pressing plate to move up and down is further arranged on the bracket. The invention can avoid the golden finger of the FPC from generating scars in the testing process.
Description
Technical Field
The invention relates to the field of circuit boards, in particular to an FPC (flexible printed circuit) detection jig.
Background
When electrical performance detection is performed on an FPC (Flexible Printed Circuitboard) finished product, a golden finger of the FPC is inserted into a terminal of a detection jig, in order to enable the golden finger to be closely attached to a terminal hole of the detection jig, the hole of the terminal is designed to be smaller than the thickness of the golden finger, and has a certain elasticity, so that the golden finger can be attached to the terminal better, and the electrical performance of an FPC board is detected.
Disclosure of Invention
Based on the above, it is necessary to provide an FPC inspection jig, which comprises a bracket including a bottom plate horizontally arranged, wherein support columns are vertically arranged at two ends of the bottom plate, and a chute vertically penetrating the support columns is arranged at the inner side of the support columns; a pressing plate is horizontally arranged between the support columns on two sides of the bottom plate, two sides of the pressing plate are provided with sliding blocks corresponding to the sliding grooves, the side surfaces of the sliding blocks are propped against the side walls of the sliding grooves, and the sliding blocks are slidably matched with the sliding grooves; the bottom of the front end side wall of the support column is also provided with an opening penetrating through the front end side wall of the support column, the opening is communicated with the chute, and the height of the opening is larger than the thickness value of a golden finger of the FPC to be tested; the bottom plate is provided with a connecting circuit, and the connecting circuit is positioned between the two openings; and a driving mechanism for driving the pressing plate to move up and down is further arranged on the bracket.
The distance between the two openings on the two support columns is consistent with the width of the golden finger of the FPC to be tested, and the height of the opening is slightly higher than the thickness of the golden finger of the FPC to be tested.
When testing is needed, the golden finger of the FPC to be tested is inserted from the space between the two openings until the golden finger is propped against the side wall of the chute communicated with the openings, the FPC to be tested is inserted in place, at the moment, the golden finger of the FPC to be tested is aligned with the connecting circuit on the bottom plate, then the driving mechanism is used for driving the pressing plate to slide downwards, and the golden finger of the FPC to be tested can be pressed on the bottom plate, so that the golden finger on the FPC to be tested is in press connection with the connecting circuit on the bottom plate.
The connecting circuit and the testing equipment are consistent with the functions and structures of the connecting circuit and the detecting equipment of the existing FPC testing jig.
The height value of the opening is slightly larger than the thickness value of the golden finger of the FPC to be tested, the golden finger of the FPC to be tested can be ensured to be smoothly inserted between the two openings, the golden finger of the FPC to be tested cannot be scratched during insertion, meanwhile, the golden finger of the FPC to be tested can be ensured to be prevented from tilting too much in amplitude after being inserted between the two openings, the golden finger of the FPC to be tested can be smoothly flattened when the pressing plate is pressed down, and the golden finger cannot be folded in half and damaged in the pressing plate pressing process due to tilting of the golden finger of the FPC to be tested.
The sliding block located in the sliding groove plays a role in guiding the pressing plate and simultaneously can be used for flattening the edges of the two sides of the golden finger, so that the golden finger can be integrally flattened to be attached to a connecting line, the side face of the sliding block abuts against the side wall of the sliding groove, the pressing plate can be kept horizontal in the up-and-down moving process, and the flattening effect of the golden finger is guaranteed.
Preferably, the driving mechanism comprises a supporting platform which is horizontally arranged between supporting columns on two sides of the bottom plate and fixedly connected with the supporting columns, a through hole which vertically penetrates through the supporting platform is formed in the middle of the supporting platform, a rack is arranged in the through hole and is in sliding fit with the through hole, the lower end of the rack is fixedly connected with the pressing plate, and a gear is further rotatably arranged on the support and meshed with the rack.
The rack can vertically slide up and down in the through hole by rotating the gear, so that the pressing plate is driven to slide up and down along the supporting column, and the purposes of pressing and loosening the golden finger are achieved.
Further, still be provided with the backup pad between the support column of bottom plate both sides, the both sides of backup pad all with support column fixed connection, be provided with in the backup pad and transversely run through the connecting hole of backup pad, rotationally wear to be equipped with the pivot in the connecting hole, the pivot is close to the one end of rack is fixed be provided with rack toothing's gear, the pivot is kept away from the one end of rack sets up fixedly to be provided with the carousel.
The support plate is used for installing gears, the rotating shaft is rotatably installed in the connecting hole, and the rotating shaft can be rotated by manually rotating the turntable fixedly connected with the rotating shaft, so that the gears fixed on the rotating shaft are driven to rotate, the racks are driven to move up and down in the through holes, and the purpose of pressing and loosening the golden fingers is achieved by means of the fact that the pressing plate moves vertically along the support column; when the turntable is rotated, the turntable is rotated manually, so that when the golden finger is pressed on the bottom plate by the pressure plate, namely, when the resistance force born by the turntable is suddenly increased, a worker can immediately stop rotating the turntable, and the pressure plate can immediately stop moving downwards, so that the indentation on the golden finger can be effectively avoided.
Further, the backup pad includes preceding backup pad and back backup pad, the connecting hole including set up in first connecting hole in the first backup pad with set up in second connecting hole in the second backup pad, the central line in first connecting hole and second connecting hole is located same straight line, the both ends of pivot respectively with first connecting hole and the rotatable cooperation of second connecting hole, the pivot be located first backup pad with the part between the second backup pad is fixed be provided with rack toothing's gear, the pivot extends forward fixedly in the part of first backup pad be provided with the carousel.
The front support plate and the rear support plate play a supporting role on two ends of the rotating shaft, so that the rotating shaft can be connected with the support plate more stably, bearings can be installed in the first connecting holes and the second connecting holes, the rotating shaft is inserted and installed in the bearings, and the rotating shaft is matched with the first connecting holes and the second connecting holes in a rotatable mode.
Further, the through hole is a square through hole, the side wall of the through hole is attached to the rack, and the upper end and the lower end of the side wall attached to the toothed side of the rack on the through hole are outwards bent to form an inclined surface.
Further, the bending part of the inclined surface on the side wall of the through hole is an arc surface.
When the rack slides in the through hole, one side wall with an inclined plane on the rack can pass through the through hole, and the existence of the inclined plane prevents the teeth on the rack from being reloaded on the support platform due to slight deformation of the rack when the rack moves up and down.
Preferably, a buffer layer is arranged at the lower end of the pressing plate.
The buffer layer can be a rubber layer, so that the golden finger can be effectively protected from being crushed by the pressed plate, and the phenomenon that the quality of the golden finger is affected due to the fact that the golden finger is pressed with an indentation is avoided.
The using method of the FPC detection jig comprises the following steps:
s1, inserting a golden finger of an FPC to be tested between two openings which are arranged oppositely and positioned on a support column, and fixing the top end of the golden finger of the FPC to be tested on a sliding side wall;
s2, driving the gear to rotate by clockwise rotating the turntable, so that the rack drives the pressing plate to move downwards until the pressing plate presses the golden finger of the FPC to be tested on the bottom plate;
s3, detecting the FPC communicated with the device by using a detection device;
s4, driving the gear to rotate by rotating the turntable anticlockwise, so that the rack drives the pressing plate to move upwards, the pressing of the pressing plate corresponding to the golden finger of the FPC is released, and the golden finger of the FPC is removed.
Preferably, the turntable is rotated manually, and if the resistance to rotation of the turntable increases, the turntable stops rotating.
The principle and effect of the present invention are further described below with reference to the above technical schemes:
according to the invention, the golden finger is pressed on the bottom plate through the pressing plate, so that the golden finger is in press connection with the connecting circuit on the bottom plate, the FPC is detected, after the detection is finished, the FPC can be taken out by lifting the pressing plate, the golden finger of the FPC, the pressing plate and the bottom plate do not have relative displacement in the testing process, the scratch on the golden finger can be effectively avoided, and the quality of the golden finger is ensured.
According to the invention, the two support columns are provided with the openings, the height value of the openings is slightly larger than the thickness value of the golden finger of the FPC to be tested, so that the golden finger of the FPC to be tested can be ensured to be inserted between the two openings smoothly, the golden finger of the FPC to be tested cannot be scratched during insertion, and meanwhile, the golden finger of the FPC to be tested can be ensured not to tilt too much at two sides and the front end of the golden finger of the FPC to be tested after being inserted between the two openings, so that the golden finger of the FPC to be tested can be prevented from being flattened smoothly when the pressing plate is pressed down, and the golden finger cannot be folded in half to damage the golden finger in the pressing plate pressing process due to the tilting of the golden finger of the FPC to be tested.
Drawings
Fig. 1 is a front view of an FPC inspection jig according to an embodiment of the present invention;
fig. 2 is a rear view of the FPC inspection jig according to the embodiment of the present invention;
FIG. 3 is a top view of the FPC testing jig according to the embodiment of the invention;
FIG. 4 is a top view of a bracket according to an embodiment of the present invention;
FIG. 5 is a top view of a connection structure of the bracket and the platen according to an embodiment of the present invention;
FIG. 6 is a top view of a platen according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a connection structure between an FPC and an FPC testing jig according to an embodiment of the present invention;
fig. 8 is a cross-sectional view of a support platform according to an embodiment of the invention.
Reference numerals illustrate:
11-bottom plate, 11-connecting line, 12-support column, 121-spout, 122-opening, 2-clamp plate, 21-slider, 31-supporting platform, 311-through-hole, 312-inclined plane, 313-kink, 32-rack, 331-first backup pad, 332-second backup pad, 34-carousel, 35-pivot, 36-gear.
Detailed Description
For the convenience of understanding by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
1-8, an FPC detection jig comprises a bracket, wherein the bracket comprises a bottom plate 11 which is horizontally arranged, two ends of the bottom plate 11 are vertically provided with support columns 12, and the inner sides of the support columns 12 are provided with sliding grooves 121 which vertically penetrate through the support columns 12; a pressing plate 2 is horizontally arranged between the support columns 12 on two sides of the bottom plate 11, two sides of the pressing plate 2 are provided with sliding blocks 21 corresponding to the sliding grooves 121, the side surfaces of the sliding blocks 21 are propped against the side walls of the sliding grooves 121, and the sliding blocks 21 are slidably matched with the sliding grooves 121; the bottom of the front end side wall of the support column 12 is also provided with an opening 122 penetrating through the front end side wall of the support column 12, the opening 122 is communicated with the chute 121, and the height of the opening 122 is larger than the thickness value of a golden finger of the FPC to be tested; the bottom plate 11 is provided with a connecting line 11, and the connecting line 11 is positioned between the two openings 122; the support is also provided with a driving mechanism for driving the pressing plate 2 to move up and down.
The distance between the two openings 122 on the two support columns 12 is consistent with the width of the golden finger of the FPC to be tested, and the height of the openings 122 is slightly higher than the thickness of the golden finger of the FPC to be tested.
When testing is needed, the golden finger of the FPC to be tested is inserted from the space between the two openings 122 until the golden finger is propped against the side wall of the chute 121 communicated with the openings 122, then the FPC to be tested is inserted in place, at the moment, the golden finger of the FPC to be tested is aligned with the connecting circuit 11 on the bottom plate 11, then the driving mechanism is used for driving the pressing plate 2 to slide downwards, and the golden finger of the FPC to be tested can be pressed on the bottom plate 11, so that the golden finger on the FPC to be tested is in press connection with the connecting circuit on the bottom plate 11.
Wherein, the connection line 11 and the test equipment are consistent with the functions and structures of the connection line 11 and the detection equipment of the existing FPC test fixture.
The height value of the opening 122 is slightly larger than the thickness value of the golden finger of the FPC to be tested, so that the golden finger of the FPC to be tested can be inserted between the two openings 122 smoothly, the golden finger of the FPC to be tested cannot be scratched during insertion, meanwhile, the golden finger of the FPC to be tested can be ensured to be inserted between the two openings 122, the two sides and the front end of the golden finger of the FPC to be tested cannot be tilted too much, so that the golden finger of the FPC to be tested can be flattened smoothly when the pressing plate 2 is pressed down, and the golden finger cannot be folded in half and damaged in the pressing plate 2 pressing process due to tilting of the golden finger of the FPC to be tested.
The sliding block 21 located in the sliding groove 121 can be used for flattening the edges of two sides of the golden finger while guiding the pressing plate 2, so that the golden finger can be integrally flattened to be attached to the connecting line 11, the side face of the sliding block 21 abuts against the side wall of the sliding groove 121, the pressing plate 2 can be kept horizontal in the up-and-down moving process, and the flattening effect of the golden finger is guaranteed.
In one embodiment, the driving mechanism includes a supporting platform 31 horizontally disposed between the supporting columns 12 at two sides of the bottom plate 11 and fixedly connected with the supporting columns 12, a through hole 311 vertically penetrating through the supporting platform 31 is formed in the middle of the supporting platform 31, a rack 32 is disposed in the through hole 311, the rack 32 is slidably matched with the through hole 311, the lower end of the rack 32 is fixedly connected with the pressing plate 2, a gear 36 is further rotatably disposed on the support, and the gear 36 is meshed with the rack 32.
The rack 32 can vertically slide up and down in the through hole 311 by rotating the gear 36, so as to drive the pressing plate to slide up and down along the support column 12, thereby achieving the purposes of pressing and releasing the golden finger.
In one embodiment, a supporting plate is further disposed between the supporting columns 12 on two sides of the bottom plate 11, two sides of the supporting plate are fixedly connected with the supporting columns 12, a connecting hole transversely penetrating through the supporting plate is formed in the supporting plate, a rotating shaft 35 is rotatably arranged in the connecting hole in a penetrating mode, one end, close to the rack 32, of the rotating shaft 35 is fixedly provided with a gear 36 meshed with the rack 32, and one end, away from the rack 32, of the rotating shaft 35 is fixedly provided with a rotary table 34.
The supporting plate is used for installing a gear 36, wherein the rotating shaft 35 is rotatably installed in the connecting hole, and the rotating shaft 35 can be rotated by manually rotating the rotary table 34 fixedly connected with the rotating shaft 35, so that the gear 36 fixed on the rotating shaft 35 is driven to rotate, and the rack 32 is driven to move up and down in the through hole 311, so that the pressing plate 2 is moved vertically along the supporting column 12 to achieve the purposes of pressing and loosening the golden finger; when rotating the turntable 34, the turntable 34 is manually rotated, so that when the golden finger is pressed on the bottom plate 11 by the pressing plate, namely when the resistance force applied to the turntable 34 is suddenly increased, a worker can immediately stop rotating the turntable 34, and the pressing plate 2 can immediately stop moving downwards, so that the occurrence of the indentation on the golden finger can be effectively avoided.
In one embodiment, the support plate comprises a front support plate and a rear support plate, the connection holes comprise a first connection hole formed in the first support plate 331 and a second connection hole formed in the second support plate 332, the central lines of the first connection hole and the second connection hole are located on the same straight line, two ends of the rotating shaft 35 are respectively matched with the first connection hole and the second connection hole in a rotatable mode, a portion of the rotating shaft 35 located between the first support plate 331 and the second support plate 332 is fixedly provided with a gear 36 meshed with the rack 32, and a portion of the rotating shaft 35 extending forwards out of the first support plate 331 is fixedly provided with a rotary disc 34.
The front support plate and the rear support plate play a supporting role on two ends of the rotating shaft 35, so that the rotating shaft 35 can be connected with the support plate more stably, bearings can be installed in the first connecting hole and the second connecting hole, the rotating shaft 35 is inserted and installed in the bearings, and the rotating shaft 35 is matched with the first connecting hole and the second connecting hole in a rotatable mode.
In one embodiment, the through hole 311 is a square through hole 311, the side wall of the through hole 311 is attached to the rack 32, and the upper end and the lower end of the side wall attached to the rack 32 on the side with teeth on the through hole 311 are both bent outwards to form an inclined surface 312.
In one embodiment, the bent portion 313 of the inclined surface 312 on the side wall of the through hole 311 is a cambered surface.
When the rack 32 slides in the through hole 311, the side with the hole on the rack 32 passes through the side wall with the inclined surface 312 on the through hole 311, and the existence of the inclined surface 312 prevents the teeth on the rack 32 from being reloaded on the supporting platform 31 due to slight deformation of the rack 32 when the rack 32 moves up and down.
In one embodiment, a buffer layer is disposed at the lower end of the pressing plate 2.
The buffer layer can be a rubber layer, so that the golden finger can be effectively protected from being crushed by the pressing plate 2, and the phenomenon that the quality of the golden finger is affected due to the fact that the golden finger is provided with an indentation is avoided.
One embodiment, a method for using an FPC inspection jig, includes the steps of:
s1, inserting a golden finger of the FPC to be tested between two openings 122 which are arranged oppositely and are positioned on a support column 12, and fixing the top end of the golden finger of the FPC to be tested on a sliding side wall;
s2, driving the gear 36 to rotate by clockwise rotating the turntable 34, so that the rack 32 drives the pressing plate 2 to move downwards until the pressing plate 2 presses the golden finger of the FPC to be tested on the bottom plate 11;
s3, detecting the FPC communicated with the device by using a detection device;
s4, the rotary table 34 is rotated anticlockwise to drive the gear 36 to rotate, so that the rack 32 drives the pressing plate 2 to move upwards, the pressing of the pressing plate 2 corresponding to the golden fingers of the FPC is released, and the golden fingers of the FPC are removed.
In one embodiment, the turntable 34 is manually rotated, and if the resistance to rotation of the turntable 34 increases, the rotation of the turntable 34 is stopped.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. A use method of an FPC detection jig,
wherein, FPC detects tool, is limited to: the support comprises a bottom plate which is horizontally arranged, wherein support columns are vertically arranged at two ends of the bottom plate, and sliding grooves which vertically penetrate through the support columns are formed in the inner sides of the support columns; a pressing plate is horizontally arranged between the support columns on two sides of the bottom plate, two sides of the pressing plate are provided with sliding blocks corresponding to the sliding grooves, the side surfaces of the sliding blocks are propped against the side walls of the sliding grooves, and the sliding blocks are slidably matched with the sliding grooves; the bottom of the front end side wall of the support column is also provided with an opening penetrating through the front end side wall of the support column, the opening is communicated with the chute, and the height of the opening is larger than the thickness value of a golden finger of the FPC to be tested; the bottom plate is provided with a connecting circuit, the connecting circuit is connected with test equipment, and the connecting circuit is positioned between the two openings; the bracket is also provided with a driving mechanism for driving the pressing plate to move up and down; the driving mechanism comprises a supporting platform which is horizontally arranged between supporting columns on two sides of the bottom plate and fixedly connected with the supporting columns, a through hole which vertically penetrates through the supporting platform is formed in the middle of the supporting platform, a rack is arranged in the through hole and is in sliding fit with the through hole, the lower end of the rack is fixedly connected with the pressing plate, a gear is further rotatably arranged on the support, and the gear is meshed with the rack; a supporting plate is further arranged between the supporting columns on two sides of the bottom plate, two sides of the supporting plate are fixedly connected with the supporting columns, a connecting hole transversely penetrating through the supporting plate is formed in the supporting plate, a rotating shaft is rotatably arranged in the connecting hole in a penetrating mode, a gear meshed with the rack is fixedly arranged at one end, close to the rack, of the rotating shaft, and a rotary table is fixedly arranged at one end, far away from the rack, of the rotating shaft;
the using method of the FPC detection jig is characterized by comprising the following steps of:
s1, inserting a golden finger of an FPC to be tested between two openings which are arranged oppositely and positioned on a support column, and fixing the top end of the golden finger of the FPC to be tested on a sliding side wall;
s2, driving the gear to rotate by clockwise rotating the turntable, so that the rack drives the pressing plate to move downwards until the pressing plate presses the golden finger of the FPC to be tested on the bottom plate;
s3, detecting the FPC communicated with the device by using a detection device;
s4, driving the gear to rotate by rotating the turntable anticlockwise, so that the rack drives the pressing plate to move upwards, the pressing of the pressing plate corresponding to the golden finger of the FPC is released, and the golden finger of the FPC is removed.
2. The method of claim 1, wherein the turntable is manually rotated, and the turntable is stopped when the resistance to rotation of the turntable increases.
3. The method for using the FPC inspection jig according to claim 2, wherein the support plate comprises a front support plate and a rear support plate, the connection holes comprise a first connection hole formed in the front support plate and a second connection hole formed in the rear support plate, the center lines of the first connection hole and the second connection hole are located on the same straight line, two ends of the rotating shaft are respectively in rotatable fit with the first connection hole and the second connection hole, a gear meshed with the rack is fixedly arranged on a portion of the rotating shaft located between the front support plate and the rear support plate, and a turntable is fixedly arranged on a portion of the rotating shaft extending forwards out of the front support plate.
4. The method for using the FPC detection jig according to claim 3, wherein the through hole is a square through hole, the side wall of the through hole is attached to the rack, and the upper end and the lower end of the side wall attached to the toothed side of the rack on the through hole are bent outwards to form an inclined surface.
5. The method of claim 4, wherein the bent portion of the inclined surface on the sidewall of the through hole is a cambered surface.
6. The method of claim 5, wherein a buffer layer is disposed at a lower end of the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378982.2A CN109459679B (en) | 2018-11-19 | 2018-11-19 | FPC detection jig and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378982.2A CN109459679B (en) | 2018-11-19 | 2018-11-19 | FPC detection jig and use method thereof |
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| CN109459679A CN109459679A (en) | 2019-03-12 |
| CN109459679B true CN109459679B (en) | 2024-03-15 |
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| CN108761283B (en) * | 2018-04-23 | 2020-11-24 | 国家电网公司 | High-frequency partial discharge measurement position marking tool |
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| CN109459679A (en) | 2019-03-12 |
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