CN217766719U - But quick replacement's circuit board test fixture - Google Patents
But quick replacement's circuit board test fixture Download PDFInfo
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- CN217766719U CN217766719U CN202221182145.4U CN202221182145U CN217766719U CN 217766719 U CN217766719 U CN 217766719U CN 202221182145 U CN202221182145 U CN 202221182145U CN 217766719 U CN217766719 U CN 217766719U
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- circuit board
- assembly
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Abstract
The application provides a but quick replacement's circuit board test fixture includes: the lifting adjusting support comprises a support body, wherein the support body is provided with an upper limiting assembly, a lower limiting assembly and a lifting device for adjusting the position of the upper limiting assembly, and the upper limiting assembly and the lower limiting assembly form an installation chamber; and the circuit board testing assembly is detachably arranged on the upper limiting assembly and the lower limiting assembly in the mounting cavity. By the aid of the method and the device, the circuit board testing assembly can be replaced quickly, testing requirements of different circuit boards or different testing points of the circuit boards can be met, and manufacturing cost and debugging time cost of the tool are reduced.
Description
Technical Field
The application relates to the technical field of circuit board test equipment, in particular to a circuit board test tool capable of being replaced quickly.
Background
The circuit board testing tool is mainly characterized in that a cylinder or a quick clamp drives a probe to contact a to-be-tested point of a circuit board, and whether the circuit board is qualified or not is tested through on-off of current.
However, when a test product is replaced, the conventional circuit board testing tool is not suitable for use, the circuit board testing tool is usually customized according to the testing requirements of the circuit board, when a hardware test point of the circuit board is changed or the circuit board is newly developed, the circuit board testing tool needs to be manufactured again, and the cost of the customized tool is high, so that the cost is wasted.
SUMMERY OF THE UTILITY MODEL
The application provides a but quick replacement's circuit board test fixture can realize the quick replacement of different products, simple to operate, and it is convenient to use, and the suitability is strong.
The application provides a but quick replacement's circuit board test fixture includes:
the lifting adjusting support is provided with a support body, the support body is provided with an upper limiting assembly, a lower limiting assembly and a lifting device for adjusting the position of the upper limiting assembly, and the upper limiting assembly and the lower limiting assembly form an installation chamber;
and the circuit board testing assembly is detachably arranged on the upper limiting assembly and the lower limiting assembly in the mounting chamber.
In some embodiments, the circuit board testing assembly includes a test board assembly and a circuit board positioning assembly;
the circuit board positioning assembly comprises a lower base plate inserted in a lower limiting groove of the lower limiting assembly and a positioning piece arranged on the lower base plate, the positioning piece is provided with a circuit board positioning groove used for positioning a circuit board to be detected, a plurality of insulating support columns are arranged on the lower base plate in the circuit board positioning groove, and at least two limiting columns are arranged on the positioning piece and the lower base plate;
the test board assembly comprises an upper substrate inserted in the upper limiting assembly, a probe fixing plate arranged on the lower portion of the upper substrate, and a plurality of probes arranged on the probe fixing plate.
In some embodiments, the number of the limiting columns is two, and the two limiting columns are distributed obliquely.
In some embodiments, the positioning member includes a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate forming the circuit board positioning slot.
In some embodiments, the upper limiting assembly includes an upper moving plate, and three L-shaped upper limiting plates respectively fixed to the left and right sides of the bottom and the rear of the upper moving plate, and the upper substrate is inserted into upper limiting grooves of the three L-shaped upper limiting plates.
In some embodiments, the lower limiting component includes three L-shaped lower limiting plates fixedly disposed at the left, right, and rear portions of the support body, and the lower substrate is inserted into lower limiting grooves of the three L-shaped lower limiting plates.
In some embodiments, each of the L-shaped upper limiting plates and each of the L-shaped lower limiting plates are provided with a locking hole, and a locking member passes through the locking hole to tightly prop against the upper substrate and the lower substrate.
In some embodiments, a guide shaft for lifting and lowering the upper moving plate is vertically installed on the support body.
In some embodiments, four support plates are fixedly connected between the upper substrate and the probe fixing plate to form a wire harness accommodating cavity for accommodating a wire harness.
In some embodiments, the lifting device is embodied as a cylinder or a quick clamp.
The application provides but quick replacement's circuit board test fixture has following technical advantage:
1. by adopting a split structure and quickly replacing the circuit board testing assembly, the testing requirements of different circuit boards can be met, the utilization rate and the utilization rate of the tool are increased, and the manufacturing cost of the tool is reduced;
2. the circuit board testing tool is simple in structure, convenient to operate, capable of being suitable for various circuit boards and wide in application range.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a top view of a quick-change circuit board testing tool provided herein;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a top view of another angle of a quick change circuit board test fixture as provided herein;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic structural view of a lift adjustment support in the quick-replaceable circuit board testing tool provided in the present application;
FIG. 6 is a top view of a circuit board testing assembly of the quick-change circuit board testing tool of the present application;
FIG. 7 is a cross-sectional view taken at the location C-C in FIG. 6;
FIG. 8 is a top view of the circuit board positioning assembly of FIG. 7;
FIG. 9 is a cross-sectional view taken at D-D of FIG. 8;
FIG. 10 is a top view of the test plate assembly of FIG. 7;
fig. 11 is a cross-sectional view taken at the location E-E in fig. 10.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 4, fig. 1 is a top view of a quick-replaceable circuit board testing tool provided in the present application; FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is a top view of another angle of a quick-change circuit board testing tool provided herein; fig. 4 is a sectional view taken along line B-B of fig. 3.
The application provides a but quick replacement's circuit board test fixture, be used for the circuit board test, including lift adjustment support 1 and circuit board test component 2, wherein, lift adjustment support 1 has support body 11, support body 11 installs upper limit subassembly 12, lower limit subassembly 13 and elevating gear 14, upper limit subassembly 12 passes through the fastener with lower limit subassembly 13 and fixes on support body 11, upper limit subassembly 12 constitutes the installation cavity with lower limit subassembly 13, circuit board test component 2 detachably installs in the installation cavity inside and fix on upper limit subassembly 12 and lower limit subassembly 13.
The utility model provides a quick replacement's circuit board test fixture, set up the frock of traditional body structure into the split type frock that comprises lift adjustment support 1 and circuit board test subassembly 2, lift adjustment support 1 is equipped with elevating gear 14, upper limit bit module 12 and lower limit bit module 13, spacing subassembly 12 is connected to elevating gear 14's drive end, upper limit bit module 12 constitutes the installation cavity with lower limit bit module 13, circuit board test subassembly 2 demountable installation is in the installation cavity, its upper portion and lower part are fixed respectively on upper limit bit module 12 and lower limit bit module 13. The staff can adjust the position of upper limit component 12 through controlling elevating gear 14, is convenient for from this installation circuit board test assembly 2, changes circuit board test assembly 2 to realize the test of circuit board.
The utility model discloses but quick replacement's circuit board test fixture can realize the quick replacement of different products that await measuring, simple to operate, and the practicality is strong, and it is many to be suitable for the occasion, has commonality and replaceability, has reduced the cost of manufacture and the debugging time cost of frock effectively.
Referring to fig. 5 to 9, fig. 5 is a schematic structural view of a lifting adjusting support in the quick-replaceable circuit board testing tool provided in the present application; FIG. 6 is a top view of a circuit board testing assembly of the quick-change circuit board testing tool provided herein; FIG. 7 is a cross-sectional view taken at the location C-C in FIG. 6; FIG. 8 is a top view of the circuit board positioning assembly of FIG. 7; fig. 9 is a cross-sectional view taken at the location D-D in fig. 8.
According to a specific embodiment of the present application, the circuit board testing assembly 2 includes a test board assembly 21 and a circuit board positioning assembly 22. The test board assembly 21 includes a lower substrate 221, a positioning member, a plurality of insulating support posts 223, and at least two position-limiting posts 224. The lower substrate 221 is inserted into the lower positioning groove of the lower positioning assembly 13, the positioning member is mounted on the lower substrate 221, the positioning member is disposed in the circuit board positioning groove, the circuit board 3 to be tested is positioned by the circuit board positioning groove, the insulation support posts 223 are mounted on the lower substrate 221 and disposed in the circuit board positioning groove, and the positioning members and/or the lower substrate 221 are mounted with the positioning members 224. The test board assembly 21 includes an upper base board 211, a probe fixing board 212, and a plurality of probes 214 mounted on the probe fixing board 212. The probe fixing plate 212 is installed at a lower portion of the upper substrate 211, and a plurality of probes 214 are vertically installed on the probe fixing plate 212.
Preferably, the number of the limiting posts 224 is two, and the two limiting posts 224 are distributed obliquely. In addition, the positioning member includes a first positioning plate 222 and a second positioning plate 225, the first positioning plate 222 and the second positioning plate 225 are both U-shaped structures, their respective U-shaped recesses are relatively matched to form a circuit board positioning slot for placing the circuit board 3 to be tested, and two limiting posts 224 are respectively vertically installed at two opposite oblique positions on the first positioning plate 222.
The upper limiting component 12 comprises an upper moving plate 121 and three L-shaped upper limiting plates 122, the three L-shaped upper limiting plates 122 are fixedly arranged on the left side, the right side and the rear portion of the bottom of the upper moving plate 121 respectively through connecting pieces, the upper limiting grooves of the three L-shaped upper limiting plates 122 are matched to form an upper insertion groove, and the upper substrate 211 is inserted into the upper insertion groove.
The lower limiting assembly 13 comprises three L-shaped lower limiting plates 131, the three L-shaped lower limiting plates 131 are fixedly arranged at the left side, the right side and the rear part of the support body 11, the lower limiting grooves of the three L-shaped lower limiting plates 131 are matched to form a lower insertion groove, and the lower substrate 221 is inserted into the lower limiting grooves of the three L-shaped lower limiting plates 131.
In consideration of improving the locking firmness, the L-shaped upper limiting plate 122 and each L-shaped lower limiting plate 131 are provided with one or more locking holes, and the bolts 4 on the upper portion respectively penetrate through the upper moving plate 121 and each locking hole on the L-shaped upper limiting plates 122 on the left and right sides and are tightly pressed against the upper substrate 211. The bolts 4 at the lower part are respectively inserted through the locking holes of the L-shaped lower limiting plates 131 at the left and right sides and are pressed against the lower base plate 221.
In order to improve the movement accuracy of the upper movement plate 121, two guide shafts 113 for the upper movement plate 121 to move up and down may be vertically installed on the support body 11, the number of the guide shafts 113 is preferably two, and the two guide shafts are distributed on the left and right sides of the installation position on the support body 11, the top of each guide shaft 113 is fixedly installed on the cross beam 111 of the support body 11, the middle of each guide shaft passes through the shaft sleeve 114 on the upper movement plate 121, and the bottom of each guide shaft is fixed on the bottom plate 115 of the support body 11. The lifting device 14 drives the upper moving plate 121 to move up and down along the guide shafts 113 at both sides, ensuring accurate movement of the upper moving plate 121.
In the application, the L-shaped lower limiting plate 131, the guide shaft 113 and the vertical plate 112 are fixed on the bottom plate 115 through locking pieces. The fixed seat of the lifting device 14 is arranged on a cross beam 111, and the cross beam 111 is fixed on a vertical plate 112 to form a fixed assembly. The shaft sleeve 114 is inserted into the upper moving plate 121, and the L-shaped upper limiting plate 122 and the moving shaft of the lifting device 14 are mounted on the upper moving plate 121 through a locking member. The upper moving plate 121 is guaranteed to move up and down by the mutual cooperation of the shaft sleeve 114 and the guide shaft 113, forming a moving assembly.
The insulating support column 223, the first positioning plate 222, the second positioning plate 225 and the limiting column 224 are fixed on the lower substrate 221 by a locking member 226. The insulating support column 223 plays a role of supporting the circuit board 3 to be tested, and the circuit board 3 to be tested is conveniently taken and mounted through the opening structure formed by the first positioning plate 222 and the second positioning plate 225.
The probe 214 and the guide sleeve 215 are mounted on the probe fixing plate 212, and the probe 214 and the to-be-tested part of the to-be-tested circuit board 3 are accurately positioned by the mutual matching of the two guide sleeves 215 and the limiting columns 224, so that a testing assembly is formed.
The lower substrate 221 and the upper substrate 211 in the testing assembly are respectively pushed into the L-shaped lower limiting plate 131 of the fixing assembly and the L-shaped upper limiting plate 122 of the moving assembly. The flange surface structure of the base plate is matched with the L-shaped structure, and the flange surfaces of the lower base plate 221 and the upper base plate 211 are tightly pressed through the bolts 4 to prevent random sliding. At this time, the probe 214 can be controlled to contact and disconnect with the portion to be tested of the circuit board 3 to be tested by the rapid fixture for testing. When different circuit boards 3 to be tested need to be tested, only the test assembly needs to be customized, and the replacement can be completed through repeated actions. The fixing component and the moving component can be universal, the operation is simple, and the cost is saved.
Referring to fig. 10 and 11, fig. 10 is a top view of the test plate assembly of fig. 7; fig. 11 is a cross-sectional view taken at the location E-E in fig. 10.
For convenience of wiring, four supporting plates 213 can be fixedly connected between the upper substrate 211 and the probe fixing plate 212, the supporting plates 213 and the upper substrate 211 are combined into a box structure for accommodating a wiring harness, and the upper substrate 211 is provided with an avoiding hole for convenience of wiring.
The lifting device 14 is preferably a cylinder or a quick clamp.
To sum up, this application changes the test fixture of integrative structure on the market into the components of a whole that can function independently subassembly that comprises lift adjustment support 1 and circuit board test subassembly 2, when needing to be changed circuit board 3 that awaits measuring, only need change corresponding circuit board test subassembly can, lift adjustment support 1 can realize the sharing, satisfies the test demand of multiple type product circuit board performance, practices thrift the cost of manufacture.
It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above circuit board test tool capable of being replaced quickly provided by the application is introduced in detail. The principles and embodiments of the present application are described herein using specific examples, which are only used to help understand the method and its core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (10)
1. The utility model provides a but quick replacement's circuit board test fixture which characterized in that includes:
the lifting adjusting support (1) is provided with a support body (11), an upper limiting component (12), a lower limiting component (13) and a lifting device (14) used for adjusting the position of the upper limiting component (12) are mounted on the support body (11), and the upper limiting component (12) and the lower limiting component (13) form a mounting chamber;
a circuit board testing assembly (2) detachably mounted on the upper limiting assembly (12) and the lower limiting assembly (13) inside the mounting chamber.
2. The quick-replaceable circuit board testing tool according to claim 1, wherein the circuit board testing assembly (2) comprises a testing board assembly (21) and a circuit board positioning assembly (22);
the circuit board positioning component (22) comprises a lower base plate (221) inserted in a lower limiting groove of the lower limiting component (13) and a positioning piece arranged on the lower base plate (221), the positioning piece is provided with a circuit board positioning groove used for positioning a circuit board (3) to be detected, a plurality of insulating supporting columns (223) are arranged on the lower base plate (221) in the circuit board positioning groove, and at least two limiting columns (224) are arranged on the positioning piece and the lower base plate (221);
the test board assembly (21) comprises an upper base plate (211) inserted in the upper limiting assembly (12), a probe fixing plate (212) arranged at the lower part of the upper base plate (211) and a plurality of probes (214) arranged on the probe fixing plate (212).
3. The quick-replaceable circuit board testing tool according to claim 2, wherein the number of the limiting columns (224) is two, and the two limiting columns (224) are distributed obliquely.
4. The quick-replaceable circuit board testing tool according to claim 2, wherein the positioning member comprises a first positioning plate (222) and a second positioning plate (225), and the first positioning plate (222) and the second positioning plate (225) form the circuit board positioning slot.
5. The quick-replaceable circuit board testing tool according to any one of claims 2 to 4, wherein the upper limiting assembly (12) comprises an upper moving plate (121) and three L-shaped upper limiting plates (122) fixedly arranged at the left side, the right side and the rear part of the bottom of the upper moving plate (121), and the upper base plate (211) is inserted into upper limiting grooves of the three L-shaped upper limiting plates (122).
6. The quick-replaceable circuit board testing tool according to claim 5, wherein the lower limiting assembly (13) comprises three L-shaped lower limiting plates (131) fixedly arranged on the left side, the right side and the rear part of the support body (11), and the lower substrate (221) is inserted into lower limiting grooves of the three L-shaped lower limiting plates (131).
7. The quick-replaceable circuit board testing tool according to claim 6, wherein each L-shaped upper limiting plate (122) and each L-shaped lower limiting plate (131) are provided with locking holes, and bolts (4) penetrate through the locking holes to tightly press against the upper substrate (211) and the lower substrate (221).
8. The quick-replaceable circuit board testing tool according to claim 5, wherein a guide shaft (113) for lifting and lowering the upper moving plate (121) is vertically mounted on the support body (11).
9. The quick-replaceable circuit board testing tool according to claim 2, wherein four supporting plates (213) are fixedly connected between the upper base plate (211) and the probe fixing plate (212) to form a wire harness accommodating cavity for accommodating a wire harness.
10. The quick-replaceable circuit board testing tool according to claim 1, characterized in that the lifting device (14) is embodied as a cylinder or a quick clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221182145.4U CN217766719U (en) | 2022-05-17 | 2022-05-17 | But quick replacement's circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221182145.4U CN217766719U (en) | 2022-05-17 | 2022-05-17 | But quick replacement's circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217766719U true CN217766719U (en) | 2022-11-08 |
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ID=83885937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221182145.4U Active CN217766719U (en) | 2022-05-17 | 2022-05-17 | But quick replacement's circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217766719U (en) |
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2022
- 2022-05-17 CN CN202221182145.4U patent/CN217766719U/en active Active
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