CN220650736U - Locating component and circuit board test fixture - Google Patents
Locating component and circuit board test fixture Download PDFInfo
- Publication number
- CN220650736U CN220650736U CN202322237318.9U CN202322237318U CN220650736U CN 220650736 U CN220650736 U CN 220650736U CN 202322237318 U CN202322237318 U CN 202322237318U CN 220650736 U CN220650736 U CN 220650736U
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- Prior art keywords
- fixedly connected
- plate
- sleeve
- circuit board
- guide
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- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model discloses a positioning assembly and a circuit board testing tool, and relates to the field of circuit board testing. The positioning assembly comprises a placing plate, wherein guide sliding assemblies are symmetrically arranged on the placing plate, and fixing assemblies used for positioning the circuit board are arranged on the guide sliding assemblies; the fixed assembly comprises a sleeve, a piston plate, a first spring, a pull rod, a connecting rod and a fixed plate, wherein the sleeve is connected to the guide sliding assembly, the piston plate is connected in the sleeve in a sliding manner, and the first spring is fixedly connected between the piston plate and the inner wall of the top of the sleeve; according to the utility model, the distance between the two fixing assemblies can be correspondingly adjusted according to the specification of the circuit board, so that the two symmetrically arranged fixing assemblies can clamp and position the circuit boards with different specifications, and can clean dust attached to the circuit board, thereby preventing the dust from affecting the accuracy of the subsequent test of the circuit board.
Description
Technical Field
The utility model belongs to the technical field of circuit board testing, and particularly relates to a positioning assembly and a circuit board testing tool.
Background
The circuit board makes the circuit miniaturized, the observational, plays an important role to fixed circuit's batch production and optimization with electrical apparatus overall arrangement, can test it after the circuit board produces, and the test of circuit board test fixture just is whether test circuit board shorts out.
The utility model patent with the name of a circuit board test fixture for a telephone set, as disclosed in patent application number 201620545598. X, discloses a circuit board test fixture for a telephone set, comprising: the device comprises a machine body with a working platform, a function test module, a display module, a support frame, a driving device, a pressing plate, a plurality of groups of pressing heads and a plurality of groups of test components; the test assembly includes: the base plate is arranged on the working platform, the mounting plate is arranged on the base plate through the elastic piece, the mounting plate is provided with a positioning groove and a test window penetrating through the mounting plate, the test probe is arranged on the base plate and corresponds to the test window of the mounting plate, the circuit board is fixed on the mounting plate and is pressed down after being subjected to pressure, the test probe is accurately contacted with a detection point of the circuit board exposed in the test window so as to detect the circuit board, after the test is completed, the elastic piece recovers elasticity, the test probe is separated from the circuit board, and the circuit board or the test probe is convenient to take out and cannot be damaged. The tool has the characteristics of simple structure, convenient operation, high test efficiency and the like;
however, the above patent also has the following disadvantages that the function is single, so that stable clamping and positioning cannot be provided for circuit boards with different specifications and sizes, and dust attached to the surface of the circuit board to be tested cannot be cleaned, so that a worker is also required to clean the dust attached to the surface of the circuit board by means of a dust cleaning tool, such as an air gun or a brush, and the labor capacity of the worker is increased.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a positioning assembly and a circuit board testing tool which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the positioning assembly comprises a placing plate, wherein guide sliding assemblies are symmetrically arranged on the placing plate, and fixing assemblies used for positioning the circuit board are arranged on the guide sliding assemblies; the fixed assembly comprises a sleeve, a piston plate, a first spring, a pull rod, a connecting rod and a fixed plate, wherein the sleeve is connected to the guide sliding assembly, the piston plate is connected in the sleeve in a sliding manner, the first spring is fixedly connected between the piston plate and the inner wall of the top of the sleeve, the pull rod is fixedly connected to the piston plate, one end of the pull rod, far away from the piston plate, penetrates through the bottom of the sleeve and is in sliding connection with the sleeve, the connecting rod is fixedly connected to the piston plate, and the connecting rod penetrates through the top of the sleeve and is fixedly connected with the fixed plate at one end of the guide sliding assembly;
the air nozzle is fixedly connected to the placing plate; the first pipeline is fixedly communicated with the inner cavity of the sleeve; and one end of the second pipeline is fixedly communicated with the inner cavity of the sleeve, and the other end of the second pipeline is fixedly communicated with the air nozzle.
In order to adjust the interval between the two fixed components, preferably, the guiding sliding component comprises limit sliding grooves symmetrically arranged on the placing plate, limit sliding blocks are connected in a sliding manner in the limit sliding grooves, and the tops of the sleeves are fixedly connected with the limit sliding blocks.
In order to provide protection for the circuit board, preferably, a protection pad is fixedly connected to the lower side of the fixing plate.
In order to filter the gas passing through the first pipeline from the outside, an activated carbon filter screen is preferably arranged in the air inlet end of the first pipeline.
The circuit board test fixture further comprises a base and a support frame fixedly connected to the base, a guide assembly is arranged on the base, the placing plate is slidably connected to the guide assembly, a second spring is fixedly connected between the lower side of the placing plate and the upper side of the base, a detection groove is formed in the placing plate, a test probe is fixedly connected to the base and corresponds to the detection groove, an electric telescopic rod is fixedly connected to the support frame, a pressing plate is fixedly connected to the output end of the electric telescopic rod, and a pressing head is fixedly connected to the pressing plate.
In order to play the effect of spacing direction to placing the board and reciprocate, further, the direction subassembly includes the guide arm, guide arm sliding connection is on the base, place the one end fixed connection of board and guide arm, the one end fixedly connected with spacing ring of board is kept away from to the guide arm, the spacing ring is laminated mutually with the base downside.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the distance between the two fixing assemblies can be correspondingly adjusted according to the specification of the circuit board, so that the two symmetrically arranged fixing assemblies can clamp and position the circuit boards with different specifications, and can clean dust attached to the circuit board, thereby preventing the dust from affecting the accuracy of the subsequent test of the circuit board.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of a positioning assembly and a circuit board testing tool according to the present utility model;
FIG. 2 is a schematic diagram of a positioning assembly and a circuit board test fixture according to the present utility model;
FIG. 3 is a schematic view of the positioning assembly of the present utility model;
fig. 4 is a cross-sectional view of a sleeve of the positioning assembly of the present utility model.
In the figure: 1. placing a plate; 101. limiting sliding grooves; 102. a limit sliding block; 2. a sleeve; 201. a piston plate; 202. a first spring; 203. a pull rod; 204. a connecting rod; 205. a fixing plate; 3. a protective pad; 4. a first pipeline; 401. a second pipeline; 402. an air nozzle; 5. a guide rod; 501. a limiting ring; 502. a second spring; 6. a base; 601. a support frame; 602. an electric telescopic rod; 603. pressing the plate; 604. a pressure head; 605. a test probe; 606. and detecting the groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Example 1:
referring to fig. 1, 3 and 4, the positioning assembly comprises a placement plate 1, wherein guide sliding assemblies are symmetrically arranged on the placement plate 1, and fixing assemblies for positioning a circuit board are arranged on the guide sliding assemblies; the fixed assembly comprises a sleeve 2, a piston plate 201, a first spring 202, a pull rod 203, a connecting rod 204 and a fixed plate 205, wherein the sleeve 2 is connected to the guide sliding assembly, the piston plate 201 is in sliding connection with the sleeve 2, the first spring 202 is fixedly connected between the piston plate 201 and the inner wall of the top of the sleeve 2, the pull rod 203 is fixedly connected to the piston plate 201, one end of the pull rod 203, far away from the piston plate 201, penetrates through the bottom of the sleeve 2 and is in sliding connection with the sleeve 2, the connecting rod 204 is fixedly connected to the piston plate 201, and the connecting rod 204 penetrates through the top of the sleeve 2 and one end of the guide sliding assembly is fixedly connected with the fixed plate 205; an air nozzle 402 fixedly connected to the placement plate 1; the first pipeline 4 is fixedly communicated with the inner cavity of the sleeve 2; and one end of the second pipeline 401 is fixedly communicated with the inner cavity of the sleeve 2, and the other end of the second pipeline is fixedly communicated with the air nozzle 402.
An activated carbon filter screen is arranged in the air inlet end of the first pipeline 4.
When the test device is used, before a circuit board is tested, the circuit board needs to be positioned and dedusted, firstly, a worker pushes the piston board 201 to slide upwards in the sleeve 2 through the pull rod 203 and compresses the first spring 202, meanwhile, the piston board 201 drives the fixed board 205 to synchronously move upwards through the connecting rod 204, the fixed board 205 is far away from the placing board 1, then the circuit board to be tested is placed on the placing board 1 by the worker, then the pull rod 203 is slowly loosened, the compressed first spring 202 generates thrust to push the piston board 201 to slide downwards in the sleeve 2, and meanwhile, the piston board 201 drives the fixed board 205 to synchronously move downwards through the connecting rod 204, so that the fixed board 205 is propped against the circuit board, and clamping and positioning can be achieved for the circuit board.
Based on the above operation steps, when the piston plate 201 slides upwards in the sleeve 2, the piston plate 201 adsorbs external gas through the first pipeline 4, the external gas contacts with the activated carbon filter screen through the first pipeline 4, and as the inside of the activated carbon has developed void structures and rich micropore structures, the micropore structures have strong adsorption force fields, when the gas contacts with the activated carbon, the strong adsorption force fields of the activated carbon micropores can adsorb particles in the air into the micropores, so that the effect of purifying the gas is achieved, and then the purified gas enters the sleeve 2 for temporary storage;
when the piston plate 201 slides downwards in the sleeve 2, the piston plate 201 extrudes gas stored in the sleeve 2, the gas is conveyed into the air nozzle 402 through the pipeline II 401 to be sprayed out, the pipeline I4 and the pipeline II 401 are provided with one-way valves, and then the gas sprayed out of the air nozzle 402 is blown to the other side from one side of the circuit board, so that dust attached to the circuit board can be cleaned, and the dust is prevented from affecting the accuracy of the subsequent test of the circuit board.
Example 2:
referring to fig. 2 and 3, the positioning assembly is basically the same as that of the embodiment 1, and further, the guiding sliding assembly comprises a limiting sliding groove 101 symmetrically arranged on the placing plate 1, a limiting sliding block 102 is slidably connected in the limiting sliding groove 101, and the top of the sleeve 2 is fixedly connected with the limiting sliding block 102; spacing slider 102 through sliding in spacing spout 101 can be adjusted the interval between two fixed subassembly, therefore the staff can be according to the specification size of circuit board, the interval between two fixed subassemblies of corresponding adjustment to two fixed subassemblies that the symmetry set up can reach the circuit board of different specification sizes and carry out the centre gripping location.
It should be noted that the second pipe 401 is a stretchable and contractible hose, so that the second pipe 401 does not interfere with the movement of the fixed component driven by the limit slider 102.
Example 3:
referring to fig. 4, the positioning assembly is substantially the same as that of embodiment 1, and further, the protection pad 3 is fixedly connected to the lower side of the fixing plate 205; through the protection pad 3 for when fixed plate 205 meets with the circuit board, protection pad 3 can reach and provide the protection to the circuit board, avoids fixed plate 205 when carrying out the centre gripping location to the circuit board, causes the circuit board to appear wearing and tearing.
Example 4:
referring to fig. 1 and 2, the circuit board test fixture further comprises a base 6 and a support frame 601 fixedly connected to the base 6, a guide assembly is arranged on the base 6, a placing plate 1 is slidably connected to the guide assembly, a second spring 502 is fixedly connected between the lower side of the placing plate 1 and the upper side of the base 6, a detection groove 606 is formed in the placing plate 1, a test probe 605 is fixedly connected to the base 6, the test probe 605 corresponds to the detection groove 606, an electric telescopic rod 602 is fixedly connected to the support frame 601, a pressing plate 603 is fixedly connected to the output end of the electric telescopic rod 602, and a pressing head 604 is fixedly connected to the pressing plate 603.
The guide assembly comprises a guide rod 5, the guide rod 5 is slidably connected to the base 6, the placement plate 1 is fixedly connected with one end of the guide rod 5, which is far away from the placement plate 1, is fixedly connected with a limiting ring 501, and the limiting ring 501 is attached to the lower side of the base 6.
Based on embodiment 1, after the positioning and dust removal of the circuit board are completed, the detection point of the circuit board is exposed in the detection groove 606, then the electric telescopic rod 602 is started, the pressing plate 603 is driven by the electric telescopic rod 602 to drive the pressing plate 604 to move downwards, and when the pressing plate 604 contacts the circuit board, the circuit board and the placing plate 1 integrally move downwards synchronously under the pressure of the pressing plate 604 until the test probe 605 on the base 6 contacts with the detection point of the circuit board, so that the circuit board is tested.
The above embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto in any way, but the present utility model is disclosed in the above embodiments, and is not limited thereto.
Claims (6)
1. The positioning assembly is characterized by comprising a placement plate (1),
the positioning plate (1) is symmetrically provided with guide sliding assemblies, and the guide sliding assemblies are provided with fixing assemblies for positioning the circuit board;
the fixing component comprises a sleeve (2), a piston plate (201), a first spring (202), a pull rod (203), a connecting rod (204) and a fixing plate (205),
the piston plate (201) is slidably connected in the sleeve (2), the first spring (202) is fixedly connected between the piston plate (201) and the inner wall of the top of the sleeve (2), the pull rod (203) is fixedly connected on the piston plate (201), one end, far away from the piston plate (201), of the pull rod (203) penetrates through the bottom of the sleeve (2) and is slidably connected with the sleeve (2), the connecting rod (204) is fixedly connected on the piston plate (201), and the connecting rod (204) penetrates through the top of the sleeve (2) and one end of the guide sliding assembly is fixedly connected with the fixed plate (205);
an air nozzle (402) fixedly connected to the placing plate (1);
the first pipeline (4) is fixedly communicated with the inner cavity of the sleeve (2);
and one end of the second pipeline (401) is fixedly communicated with the inner cavity of the sleeve (2), and the other end of the second pipeline is fixedly communicated with the air nozzle (402).
2. The positioning assembly according to claim 1, wherein the guiding sliding assembly comprises limit sliding grooves (101) symmetrically formed in the placement plate (1), limit sliding blocks (102) are connected in a sliding manner in the limit sliding grooves (101), and the top of the sleeve (2) is fixedly connected with the limit sliding blocks (102).
3. The positioning assembly according to claim 1, characterized in that a protective pad (3) is fixedly connected to the underside of the fixing plate (205).
4. The positioning assembly according to claim 1, wherein an activated carbon filter screen is provided in the air inlet end of the first conduit (4).
5. The circuit board test fixture comprises the locating component as claimed in claim 1, and is characterized by further comprising a base (6) and a support frame (601) fixedly connected to the base (6), wherein a guide component is arranged on the base (6), the placing plate (1) is slidably connected to the guide component, a second spring (502) is fixedly connected between the lower side of the placing plate (1) and the upper side of the base (6), a detection groove (606) is formed in the placing plate (1), a test probe (605) is fixedly connected to the base (6), the test probe (605) corresponds to the detection groove (606), an electric telescopic rod (602) is fixedly connected to the support frame (601), a pressing plate (603) is fixedly connected to the output end of the electric telescopic rod (602), and a pressing head (604) is fixedly connected to the pressing plate (603).
6. The circuit board test fixture according to claim 5, wherein the guide assembly comprises a guide rod (5), the guide rod (5) is slidably connected to the base (6), the placing plate (1) is fixedly connected with one end of the guide rod (5), one end of the guide rod (5) away from the placing plate (1) is fixedly connected with a limiting ring (501), and the limiting ring (501) is attached to the lower side of the base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322237318.9U CN220650736U (en) | 2023-08-18 | 2023-08-18 | Locating component and circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322237318.9U CN220650736U (en) | 2023-08-18 | 2023-08-18 | Locating component and circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220650736U true CN220650736U (en) | 2024-03-22 |
Family
ID=90292371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322237318.9U Active CN220650736U (en) | 2023-08-18 | 2023-08-18 | Locating component and circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220650736U (en) |
-
2023
- 2023-08-18 CN CN202322237318.9U patent/CN220650736U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |