CN214584521U - Be used for PCBA board and connector pencil pulling force test fixture - Google Patents
Be used for PCBA board and connector pencil pulling force test fixture Download PDFInfo
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- CN214584521U CN214584521U CN202120519102.XU CN202120519102U CN214584521U CN 214584521 U CN214584521 U CN 214584521U CN 202120519102 U CN202120519102 U CN 202120519102U CN 214584521 U CN214584521 U CN 214584521U
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- pcba board
- fixing seat
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Abstract
The utility model discloses a be used for PCBA board and connector pencil pull-out force test fixture, include: a base; the tension sensor is provided with a lower stress rod and an upper stress rod, and the lower stress rod is connected with the base through threads; the test fixing seat is connected with the upper stress rod and is provided with a limiting groove for accommodating the PCBA, and the PCBA is inserted with a connector; the test fixing seat cover plate is fixed at the upper end of the test fixing seat through screws, and the wiring harness of the connector is exposed. The utility model discloses a spacing PCBA board of test fixing base cooperation test fixing base apron installation to the barely expose the connector pencil, the counter weight base of lower extreme installation force sensor and bottom of test fixing base simultaneously stimulates the pencil at last, reads the pulling force value according to force sensor, simple structure, and convenient operation, and the pulling force that can two kinds of part pencil of accurate measurement PCBA board and connector.
Description
Technical Field
The utility model belongs to the technical field of the pencil drawing force test, specifically speaking relates to a be used for PCBA board and connector pencil drawing force test fixture.
Background
PCBA board and pencil are connected through the mode of soldering tin, and the solder joint should be smooth, does not allow welding defects such as rosin joint to exist. The connector and the wire harness are connected in a crimping mode through the frequency pins, the conductor is not required to be broken in a crimping mode, and the connector with the waterproof requirement is not required to damage and destroy the waterproof plug in the crimping mode. The PCBA board is connected with the motor and is used for judging the number of turns of the motor in positive rotation and reverse rotation, and if the wire harness is broken, the function is invalid. At present there is not reliable detection instrument between PCBA board and the connector pencil, uses force sensor manual detection for the manual work usually, detects the precision and hangs down, very easily leads to the product quality risk.
Therefore, a simple structure, convenient operation has the frock of higher detection precision to the test of PCBA board and connector pencil pulling force to await the study urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the technical problem that a be used for PCBA board and connector pencil drawing force test fixture is provided for avoid in the past there is reliable detection instrument between PCBA board and the connector pencil, all use force transducer manual detection for the manual work, detect the precision low down, very easily lead to the trouble of product quality risk.
In order to solve the technical problem, the utility model discloses a be used for PCBA board and connector pencil drawing force test fixture, include:
a base;
the tension sensor is provided with a lower stress rod and an upper stress rod, and the lower stress rod is connected with the base through threads;
the test fixing seat is connected with the upper stress rod and is provided with a limiting groove for accommodating the PCBA, and the PCBA is inserted with a connector;
the test fixing seat cover plate is fixed at the upper end of the test fixing seat through screws, and the wiring harness of the connector is exposed.
According to the utility model discloses an embodiment, wherein above-mentioned test fixing base passes through the bottom screw hole and connects upper portion atress pole.
According to the utility model discloses an embodiment, wherein still be provided with height adjusting assembly between above-mentioned test fixing base and the force sensor, height adjusting assembly includes:
the connecting block is connected with the upper stress rod through a threaded hole;
the connecting rod, the connecting rod is respectively through threaded connection connecting block and test fixing base.
According to the utility model discloses an embodiment, wherein above-mentioned connecting rod sets up to 4, and encircles and locate the connecting block.
According to the utility model discloses an embodiment, wherein above-mentioned test fixing base side is provided with the screw hole of leading-in spacing groove, and the screw hole is used for the lock to attach plush copper screw, spacing connector.
According to the utility model discloses an embodiment, wherein above-mentioned screw hole sets up to 4, and the branch is located test fixing base all around.
According to the utility model discloses an embodiment, wherein above-mentioned test fixing base apron has towards the direction round hole of spacing groove, and the direction round hole is used for deriving the pencil.
According to an embodiment of the present invention, the aperture of the guiding round hole is larger than the width of the wire harness by 2-6 mm.
Compared with the prior art, the utility model discloses can obtain including following technological effect:
through the spacing PCBA board of test fixing base cooperation test fixing base apron installation to the barely expose the connector pencil, the counter weight base of lower extreme installation force sensor and bottom of test fixing base simultaneously stimulates the pencil at last, reads the pulling force value according to force sensor, simple structure, and convenient operation, and can the accurate pulling force of measuring two kinds of part pencil of PCBA board and connector.
Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic view of a drawing force test fixture for PCBA boards and connector harnesses according to an embodiment of the present invention;
FIG. 2 is a top view of the test fixture in accordance with the embodiment of the present invention;
FIG. 3 is a top view of the cover plate of the test fixture according to the embodiment of the present invention;
FIG. 4 is a schematic view of a PCBA board and connector harness in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of a connector harness according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of the test fixing base and the test fixing base cover plate according to the embodiment of the present invention.
Reference numerals
1 is the pencil, 2 is the test fixing base apron, 3 is the test fixing base, 4 is the connecting rod, 5 is the connecting block, 6 is drawing pressure sensor, 7 is the base, 8 is the plush copper screw, 9 is the connector, 10 is the PCBA board, 11 is the direction round hole, 12 is the screw hole, 13 is the spacing groove, 14 is the bottom screw hole.
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Referring to fig. 1 to 6 together, fig. 1 is a schematic view of a tool for testing a drawing force of a PCBA board and a connector harness according to an embodiment of the present invention; FIG. 2 is a top view of the test fixture in accordance with the embodiment of the present invention; FIG. 3 is a top view of the cover plate of the test fixture according to the embodiment of the present invention; FIG. 4 is a schematic view of a PCBA board and connector harness in accordance with an embodiment of the present invention; FIG. 5 is a schematic diagram of a connector harness according to an embodiment of the present invention; fig. 6 is a cross-sectional view of the test fixing base and the test fixing base cover plate according to the embodiment of the present invention.
As shown in the figure, a be used for PCBA board and connector pencil pulling force test fixture includes: a base 7; the tension sensor 6 is provided with a lower stress rod and an upper stress rod, and the lower stress rod is connected with the base 7 through threads; the test fixing seat 3 is connected with the upper stress rod, the test fixing seat 3 is provided with a limiting groove 13 for accommodating the PCBA, and the PCBA 10 is inserted with the socket connector 9; the test fixing seat cover plate 2 is fixed at the upper end of the test fixing seat 3 through a screw, and the wiring harness 1 of the connector 9 is exposed.
The utility model discloses an in the embodiment, after PCBA board 10 installed connector 9, inlay and establish into the spacing groove 13 in the test fixing base 3, form firmly, then cover test fixing base apron 2 to through screw locking, accomplish the lid and close, expose the pencil 1 of connector 9. In addition, utilize threaded connection force sensor 6 at the downside of test fixing base 3, force sensor 6's lower extreme threaded connection is used for the base 7 of counter weight simultaneously, through pulling pencil 1, reads the pulling force value according to force sensor 6, simple structure, convenient operation, and can the accurate pulling force of measuring two kinds of part pencil of PCBA board 10 and connector 9, simple structure, convenient operation.
In a preferred embodiment, the test fixing seat 3 is connected with the upper stress rod through the bottom threaded hole 14, so that the test fixing seat 3 is directly connected with the tension sensor 6, and the tool is small in height and suitable for the drawing force test of PCBA boards 10 and connectors 9 with low product quality.
In another preferred embodiment, a height adjusting assembly is further disposed between the test fixing base 3 and the tension sensor 6, and the height adjusting assembly includes: the connecting block 5 is connected with the upper stress rod through a threaded hole; connecting rod 4, connecting rod 4 are respectively through threaded connection connecting block 5 and test fixing base 3. Therefore, the height of the tool can be increased relatively, the counter weight is increased, the tool is suitable for testing the drawing force of PCBA boards 10 and connectors 9 which are high in product quality, the assembly is simple, and the operation is convenient.
Preferably, connecting rod 4 sets up to 4, and the ring locates connecting block 5, guarantees connecting rod 4 holistic stability after the installation, avoids having some deviations, influences tension sensor 6's detection precision.
The utility model discloses a 3 sides of test fixing base are provided with the screw hole 12 of leading-in spacing groove 13, and screw hole 12 is used for the lock to attach plush copper screw 8, and spacing connector 9 borrows this to fix a position inside PCBA board 10 and connector 9, prevents when pulling pencil 1, causes the inside of connector 9 and PCBA board 10 to rock, guarantees to lock, realizes follow-up tensile test's precision.
Preferably, screw hole 12 sets up to 4, and divide and locate test fixing base 3 all around, adopts the locking of four-way degree of freedom, and stability obtains the biggest enhancement, and the assembly is more convenient.
Additionally, the utility model discloses a test fixing base apron 2 has towards spacing groove 13 direction round hole 11, and direction round hole 11 is used for deriving pencil 1, and the convenience exposes the external world, carries out the tensile test. In one embodiment, the diameter of the guide round hole 11 is 2-6mm larger than the width of the wire harness 1, so that the interference caused by friction is avoided, and the detection precision of the drawing force is not influenced.
To sum up, the utility model discloses a 3 cooperation test fixing base apron 2 of test fixing base install spacing PCBA board 10 to barely expose connector 9's pencil 1, the counter weight base 7 of the lower extreme installation force sensor 6 of test fixing base 3 and bottom simultaneously stimulates pencil 1 at last, reads the pulling force value according to force sensor 6, simple structure, and convenient operation, and the pulling force that can two kinds of part pencil of accurate measurement PCBA board 10 and connector 9.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. The utility model provides a be used for PCBA board and connector pencil pulling force test fixture which characterized in that includes:
a base;
the tension sensor is provided with a lower stress rod and an upper stress rod, and the lower stress rod is connected with the base through threads;
the test fixing seat is connected with the upper stress rod and is provided with a limiting groove for accommodating a PCBA (printed circuit board assembly) board, and the PCBA board is inserted with a connector;
the test fixing seat cover plate is fixed at the upper end of the test fixing seat through a screw, and the wiring harness of the connector is exposed.
2. The tool of claim 1, wherein the test fixture is connected to the upper force-bearing rod by a threaded bottom hole.
3. The tool for testing the drawing force of the PCBA board and the connector wire harness according to claim 1, wherein a height adjusting component is further arranged between the test fixing seat and the tension sensor, and the height adjusting component comprises:
the connecting block is connected with the upper stress rod through a threaded hole;
the connecting rod, the connecting rod is respectively through threaded connection the connecting block with the test fixing base.
4. The tool for testing the drawing force of the PCBA board and the connector harness according to claim 3, wherein the number of the connecting rods is 4, and the connecting rods are arranged in a surrounding mode on the connecting block.
5. The tool for testing the drawing force of the wire harness of the PCBA board and the connector according to claim 1, wherein a screw hole leading into the limiting groove is formed in the side face of the test fixing seat, and the screw hole is used for locking a raised head screw to limit the connector.
6. The tool for testing the drawing force of the PCBA board and the connector wire harness according to claim 5, wherein the number of the screw holes is 4, and the screw holes are respectively arranged on the periphery of the test fixing seat.
7. The tool for testing the drawing force of the PCBA board and the connector wire harness according to claim 1, wherein the test fixing seat cover plate is provided with a guide round hole facing the limiting groove, and the guide round hole is used for guiding out the wire harness.
8. The tool for testing the drawing force of the PCBA board and the connector wire harness according to claim 7, wherein the diameter of the guide round hole is 2-6mm larger than the width of the wire harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120519102.XU CN214584521U (en) | 2021-03-11 | 2021-03-11 | Be used for PCBA board and connector pencil pulling force test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120519102.XU CN214584521U (en) | 2021-03-11 | 2021-03-11 | Be used for PCBA board and connector pencil pulling force test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214584521U true CN214584521U (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120519102.XU Active CN214584521U (en) | 2021-03-11 | 2021-03-11 | Be used for PCBA board and connector pencil pulling force test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214584521U (en) |
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2021
- 2021-03-11 CN CN202120519102.XU patent/CN214584521U/en active Active
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