CN219392104U - Circuit board test fixture - Google Patents
Circuit board test fixture Download PDFInfo
- Publication number
- CN219392104U CN219392104U CN202223378789.3U CN202223378789U CN219392104U CN 219392104 U CN219392104 U CN 219392104U CN 202223378789 U CN202223378789 U CN 202223378789U CN 219392104 U CN219392104 U CN 219392104U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- bottom plate
- limiting
- testing tool
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model discloses a circuit board testing tool, which belongs to the technical field of circuit board testing and comprises a driving part, a pressing plate, a bottom plate, a reaction dial plate and a placing table, wherein a plurality of first limiting holes and a plurality of second limiting holes are formed in the placing table, the first limiting holes are positioned at the lower ends of the second limiting holes, a connecting column matched with the second limiting holes is connected onto the bottom plate in a sliding manner, a limiting ring matched with the first limiting holes is fixedly connected onto one end of the connecting column far away from the bottom plate, a plurality of blind holes are formed in the lower end of the bottom plate, the connecting column is connected into the blind holes in a sliding manner, springs are fixedly connected between the bottom walls of the blind holes and the connecting column, and a protective shell is further covered on the circuit board testing tool. The utility model is convenient for replacing different bottom plates, can greatly reduce the time consumed by frequently replacing the bottom plates when the bottom plates are required to be frequently replaced, and is also convenient for protecting the circuit board test fixture in the process of transporting the circuit board.
Description
Technical Field
The utility model belongs to the technical field of circuit board testing, and particularly relates to a circuit board testing tool.
Background
In order to improve the production efficiency of circuit boards, for a large number of circuit boards, a circuit board testing tool is generally used for testing the circuit boards.
In the prior art, the detection process of the circuit board is mostly that the circuit board test fixture is connected with a test point and a test loop on the circuit board, the circuit board test fixture comprises a test board, a pressing plate, a bottom plate and a plurality of test pins, the circuit board is placed on the bottom plate, the pressing plate presses the circuit board to be in contact with the electric shock at the lower end of the circuit board and the test pins, then the circuit board is electrified, the circuit board test fixture further comprises a plurality of reaction lamps and a reaction dial plate, and whether the circuit board is a defective product can be judged through the reaction lamps and the reaction dial plate.
The existing circuit board test fixture is generally fixed to the bottom plate through bolts, is inconvenient to replace the bottom plate, is troublesome to operate, and when detecting circuit boards of small batches of different models, the bottom plate is frequently detached, excessive time is required to be consumed, the efficiency of circuit board testing is affected, meanwhile, the existing circuit board test fixture is special-shaped, and the circuit board test fixture is easy to damage due to collision in the transportation process.
Therefore, in order to solve the above technical problems, it is necessary to provide a circuit board testing tool.
Disclosure of Invention
The utility model aims to provide a circuit board testing tool for solving the problems.
In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:
the utility model provides a circuit board test fixture, includes drive part, clamp plate, bottom plate, reaction dial plate and places the platform, place bench and offered a plurality of first spacing holes and a plurality of second spacing holes, first spacing hole is located the lower extreme in the spacing hole of second, sliding connection has the spliced pole with the spacing hole assorted of second on the bottom plate, the spacing hole assorted of second is gone up to the last sliding connection
The one end fixedly connected with that the spliced pole kept away from the bottom plate is with first spacing hole assorted spacing ring, a plurality of blind holes have been seted up to the lower extreme of bottom plate, spliced pole sliding connection is in the blind hole, fixedly connected with spring between diapire and the spliced pole of blind hole, still be covered with the protecting crust on the circuit board test fixture.
As a further improvement of the utility model, a plurality of limiting blocks are fixedly connected to the two sides of the placing table, a first clamping strip matched with the limiting blocks is fixedly connected to the inside of the protective shell, and the first clamping strip and the limiting blocks are in clamping connection.
As a further improvement of the utility model, a second clamping strip matched with the limiting block is arranged on the outer side wall of the protective shell, and the second clamping strip is clamped with the limiting block.
As a further improvement of the utility model, the connecting column is sleeved with a rubber sleeve.
As a further improvement of the utility model, the outer diameter of the second limiting hole is smaller than the outer diameter of the first limiting hole.
As a further improvement of the utility model, the placing table is also fixedly connected with a storage box, a plurality of first partition boards are fixedly connected in the storage box, and the reaction dial is rotationally connected on the storage box through a rotating shaft.
As a further improvement of the utility model, a protective sleeve is arranged between the limiting ring and the bottom plate.
As a further improvement of the utility model, a plurality of second clapboards are rotatably connected to the top wall of the first clamping strip.
Compared with the prior art, the utility model has the following advantages:
the utility model is convenient for replacing different bottom plates, can greatly reduce the time consumed by frequently replacing the bottom plates when the bottom plates are required to be frequently replaced, and is also convenient for protecting the circuit board test fixture in the process of transporting the circuit board.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is apparent that the drawings in the following descriptions are only some of the embodiments described in the present utility model, for the purposes of general in the art
The skilled person will be able to obtain further figures from these figures without the inventive effort.
Fig. 1 is a schematic structural diagram of a circuit board testing tool according to an embodiment of the utility model;
FIG. 2 is a half-sectional view of a circuit board testing tool according to an embodiment of the utility model;
FIG. 3 is a schematic view of the structure of FIG. 2 at A;
FIG. 4 is an exploded view of a circuit board test fixture according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of FIG. 4B;
fig. 6 is a use state diagram of a circuit board testing tool according to an embodiment of the utility model.
In the figure: 1. the device comprises a driving part, a pressing plate, a bottom plate, a connecting column, a limiting ring, a blind hole, a placing table, a first limiting hole, a second limiting hole, a storage box, a first partition plate, a reaction dial, a limiting block, a protective shell, a first clamping strip, a second partition plate, a spring, a rubber sleeve and a protective sleeve.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological, or functional modifications of the utility model from those skilled in the art are included within the scope of the utility model.
Referring to fig. 1, the driving part 1 can drive the pressing plate 2 to move up and down, the reaction dial 7 can observe data of the circuit board from the reaction dial 7, the bottom plate 3 is used for placing the circuit board, the driving part 1, the pressing plate 2, the bottom plate 3 and the reaction dial 7 are fixedly connected to the upper end of the placing table 4, the driving part 1 is fixedly connected with the pressing plate 2, the driving part 1 can move up and down, the driving part 1 can drive the pressing plate 2 to move up and down in the process of moving up and down, the bottom plate 3 is positioned at the lower end of the pressing plate 2, when the pressing plate 2 moves down, the bottom plate 3 can be extruded, the circuit board is placed on the bottom plate 3, a limit groove matched with the circuit board is formed in the limit groove, the circuit board is placed in the limit groove, the circuit board is not easy to generate displacement, a plurality of test pins matched with the circuit board are further arranged at the lower end of the bottom plate 3, and when the bottom plate 3 is extruded, the circuit board is subjected to electric shock
The circuit board testing tool is electrified after the circuit board testing tool is contacted, so that the circuit board can be detected, and the circuit board testing tool is arranged conventionally in the prior art.
Referring to fig. 2 to 5, a plurality of first limiting holes 401 and a plurality of second limiting holes 402 are formed in the bottom plate 3, the first limiting holes 401 are located at the upper ends of the second limiting holes 402, the outer diameter of the second limiting holes 402 is smaller than that of the first limiting holes 401, the cross sections of the first limiting holes 401 and the second limiting holes 402 are inverted T-shaped, connecting columns 301 matched with the second limiting holes 402 are slidably connected to the bottom plate 3, the connecting columns 301 can be inserted into the second limiting holes 402, the outer diameter of the connecting columns 301 is identical to that of the second limiting holes 402, limiting rings 302 matched with the first limiting holes 401 are fixedly connected to the connecting columns 301, the connecting columns 301 and the limiting rings 302 are integrally formed, the outer diameter of the limiting rings 302 is identical to that of the second limiting holes 402, when the bottom plate 3 is mounted on the placement table 4, the limiting ring 302 is firstly required to be inserted into the second limiting hole 402, and as the inner diameter of the second limiting hole 402 is smaller than that of the limiting ring 302, the limiting ring 302 is a rubber limiting block and is forcibly inserted downwards, the limiting ring 302 can be deformed, and then the limiting ring 302 can be inserted into the first limiting hole 401 until the limiting ring 302 is positioned in the first limiting hole 401, after the limiting ring 302 is positioned in the first limiting hole 401, the deformed part of the limiting ring 302 is restored, and the restored outer diameter of the limiting ring 302 is larger than the inner diameter of the connecting column 301, namely, after the limiting ring 302 is inserted into the first limiting hole 401, the limiting ring 302 cannot be easily separated from the first limiting hole 401.
Specifically, a plurality of blind holes 303 have been seted up to the lower extreme of bottom plate 3, spliced pole 301 sliding connection is in blind hole 303, fixedly connected with spring 13 between the diapire of blind hole 303 and the spliced pole 301, spring 13 is compression spring, when bottom plate 3 receives decurrent power, spring 13 can bear decurrent pressure, the pressure that spring 13 can bear is lighter, when the pressure is too big, spring 13 can not bear, and then can lead to spliced pole 301 to slide into the inside of blind hole 303, make bottom plate 3 downwardly moving, bottom plate 3 downwardly moving finally makes the contact and the test needle contact of circuit board test on the bottom plate 3, then the circular telegram can test the circuit board.
As shown in fig. 3, a protecting sleeve 15 is installed between the limiting ring 302 and the bottom plate 3, the protecting sleeve 15 is an elastic protecting sleeve, the connecting column 301 between the limiting ring 302 and the bottom plate 3 is exposed, the connecting column 301 of the section may be attached with dust, stones and other sundries, the bottom plate 3 may shake due to the fact that stones are hit in the downward pressure moving process of the bottom plate 3, damage to a circuit board may be caused, and the protecting sleeve 15 is not needed
The contact of the circuit test board on the base plate 3 with the test pins is affected.
Referring to fig. 2 to 3, the rubber sleeve 14 is sleeved on the connection post 301, the rubber sleeve 14 can fasten the stability of the connection post 301 after being inserted into the second limiting hole 402, when the connection post 301 is inserted into the limiting ring 302, the rubber sleeve 14 enters into the second limiting hole 402 along with the connection post 301, and the rubber sleeve 14 is located between the connection post 301 and the second limiting hole 402, so that the connection post 301 and the second limiting hole 402 are in interference fit, and further the connection post 301 is inserted into the second limiting hole 402 and is not easy to shake.
In summary, the bottom plate 3 is fixedly connected with the connecting post 301 and the limiting ring 302 through the spring 13, and when the limiting ring 302 is inserted into the first limiting hole 401, i.e. the bottom plate 3 is mounted on the placing table 4, i.e. the bottom plate 3 is clamped on the placing table 4 through the connecting post 301, the limiting ring 302, the first limiting hole 401 and the second limiting hole 402.
Referring to fig. 6, the circuit board test fixture is further covered with a protective shell 9, the protective shell 9 is a plastic cover under the general condition, the upper end of the circuit board test fixture can be protected by the protective shell 4, when the circuit board test fixture is not suitable for a long time, the protective shell 9 can be changed on the circuit board test fixture, sundries such as dust are prevented from affecting the test needle as much as possible, dust is attached to the test needle, the test needle is possibly caused to malfunction, the test needle can be normally used after dust cleaning, meanwhile, during transportation, the protective shell 9 can supplement the circuit board test fixture with an irregular shape into a regular polygon, during transportation, the protective shell 9 can be conveniently placed, meanwhile, the circuit board test fixture can be protected to some extent, when the circuit board test fixture drops, the upper half of the circuit board test fixture can be protected by the protective shell 9, the driving part 1, the pressing plate 2, the bottom plate 3, the reaction dial 7 and the test needle are all installed at the upper end of the placing table 4, the protective shell 9 can be used for placing the circuit board test fixture and the circuit board test fixture is prevented from being used as much as possible, and the important parts are prevented from being broken down on the placing table 4.
Specifically, the both sides fixedly connected with of placing the platform 4 are a plurality of stoppers 8, stopper 8 is the rubber stopper, the spacing hole has been seted up on the stopper 8, first card strip 10 joint is in the inside in spacing hole, first card strip 10 can also slide in spacing hole, the inside fixedly connected with of protecting crust 9 is with stopper 8 assorted first card strip 10, the shape of first card strip 10 is the same with the shape in spacing hole, first card strip 10 can slide in spacing hole, be interference fit between first card strip 10 and the stopper 8, when protecting crust 9 passes through first card strip 10 to be fixed on stopper 8, only need use certain strength to just can take off first card strip 10, namely when preventing
When the protective shell 9 is installed on the circuit board testing tool, the protective shell 9 is not easy to fall off from the circuit board testing tool.
Referring to fig. 1, a second clamping bar 11 matched with the limiting block 8 is arranged on the outer side wall of the protective shell 9, the second clamping bar 11 and the limiting block 8 are in clamping connection, and likewise, the second clamping bar 11 can slide in the limiting hole, when the second clamping bar 11 is clamped on the limiting block 8, namely, the protective shell 9 is fixed on a circuit board testing tool through the cooperation of the second clamping bar 11 and the limiting block 8, the protective shell 9 is inverted, namely, the direction of an opening of the protective shell 9 is upward placed, and a defective circuit board can be placed in the protective shell 9.
Specifically, a plurality of second baffle plates 12 are rotatably connected to the top wall of the protective shell 9, the second baffle plates 12 are rotatably connected to the top wall of the protective shell 9 through damping rotating shafts, the second baffle plates 12 can divide the space in the protective shell 9 into a plurality of spaces with the same size, as shown in fig. 2, the number of the second baffle plates 12 is two, the space in the protective shell 9 can be divided into three parts, when the number of the second baffle plates 12 is three, the space in the protective shell 9 is divided into four parts by the second baffle plates 12, each part can store the defective circuit board, the defective circuit board is vertically placed, in general, the space in the protective shell 9 is three parts, each part can store 17-20 circuit boards, the three parts can place the defective circuit boards with the same detected problem in the same part, the defective circuit boards are convenient to classify, and finally the defective circuit boards are processed uniformly.
In the prior art, the defective rate of the production line for manufacturing circuit boards is generally controlled to be about 5%, namely, 5 defective circuit boards possibly exist in 100 circuit boards, so that the space of the protective shell 9 can be used for accommodating a small amount of defective circuit boards.
Referring to fig. 1, a storage box 5 is fixedly connected to the placement table 4, the storage box 5 can store bottom plates 3 of different types, when the bottom plates 3 need to be replaced, the bottom plates 3 in the storage box 5 are directly taken out to be replaced, a plurality of first partition boards 6 are fixedly connected to the storage box 5, the first partition boards 6 are located at the upper end of the storage box 5, the space in the storage box 5 can be divided into a plurality of small spaces by the plurality of first partition boards 6, the space at the lower end of the storage box 5 is used for placing the bottom plates 3 of different types, cleaning tools such as brushes, towels and cleaning agents can be placed at the upper end of the storage box 5, the test needles or circuit boards can be cleaned, if dust or other sundries are possibly contained on the circuit boards or the test needles, the cleaning tools in the storage box 5 can be taken out, the test needles or the circuit boards can be cleaned first, and then the test needles or the circuit boards are detected.
Specifically, the reaction dial 7 is rotatably connected to the storage box 5 through a rotating shaft, and can be rotated through the reaction dial 7
The data of the circuit board can be observed, and the reaction dial 7 can completely shield one side of the storage box 5.
Preferably, the reaction dial 7 and the storage box 5 can be in magnetic connection, and when the reaction dial 7 covers the opening of the storage box 5, the reaction dial 7 is not easy to rotate.
When the circuit board testing tool is required to be protected or transported, referring to fig. 1 and fig. 6, the first clamping strip 10 is directly clamped into the limiting block 8 and then pushed downwards, so that the protecting shell 9 can be changed on the circuit board testing tool.
When the circuit board is tested by using the circuit board testing tool, refer to fig. 1-3, firstly, the protecting shell 9 which is changed on the circuit board testing tool is taken down, then the second clamping strip 11 is clamped on the limiting block 8, the protecting shell 9 is inverted, the second baffle 12 in the protecting shell 9 can be rotated to enable the second baffle 12 to be vertical, as the protecting shell 9 and the second baffle 12 are rotationally connected through the damping rotating shaft, when the second baffle 12 is rotated in the protecting shell 9, the second baffle 12 can be stopped at any position, in general, the second baffle 12 is perpendicular to the bottom wall of the protecting shell 9, when the circuit board is not used, the second baffle 12 is contacted with the protecting shell 9, the second baffle 12 plays a role of blocking, then the circuit board is placed on the bottom plate 3, the driving part 1 is pressed downwards, the pressing plate 2 is also moved downwards, finally the pressing plate 2 is contacted with the bottom plate 3, the pressing plate 3 generated by the pressing plate 2 is not supported, the pressing bottom plate 3 generated by the pressing plate 2 is moved downwards, finally, the circuit board is contacted with the testing needle, the circuit board can be placed in the circuit board 9 when the circuit board is fully tested, and the circuit board is protected in the testing tool, and the circuit board is processed after the circuit board is protected, and the circuit board is inferior in the testing tool, and the circuit board is protected.
When the bottom plate 3 needs to be replaced, the bottom plate 3 installed on the placement table 4 is firstly taken down, the limiting ring 302 is pulled upwards directly, the limiting ring 302 is deformed under the pulling force and finally slides out of the first limiting hole 401 to slide out of the placement table 4 through the first limiting hole 401, at the moment, the bottom plate 3 is taken down, then the bottom plate 3 needing to be replaced is taken out of the storage box 5, the just-taken bottom plate 3 is placed into the storage box 5 for storage, when the bottom plate 3 is installed, the limiting ring 302 is directly plugged into the first limiting hole 401 from the second limiting hole 402, the outer diameter of the limiting ring 302 is larger than the outer diameter of the second limiting hole 402, when the limiting ring 302 enters the first limiting hole 401, the limiting ring 302 can be well fixed in the first limiting hole 401 after being unfolded, the limiting ring 302 is not easy to be separated from the first limiting hole 401, namely, the bottom plate 3 can be fixed, namely, the limiting ring 302 is directly plugged into the first limiting hole 401 in the process of installing the bottom plate 3.
The technical scheme shows that the utility model has the following beneficial effects:
the utility model is convenient for replacing different bottom plates, can greatly reduce the time consumed by frequently replacing the bottom plates when the bottom plates are required to be frequently replaced, and is also convenient for protecting the circuit board test fixture in the process of transporting the circuit board.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (8)
1. The utility model provides a circuit board test fixture, includes drive division, clamp plate, bottom plate, reaction dial plate and places the platform, its characterized in that, place bench and offered a plurality of first spacing holes and a plurality of second spacing holes, first spacing hole is located the lower extreme in second spacing hole, sliding connection has the spliced pole with second spacing hole assorted on the bottom plate, the one end fixedly connected with of spliced pole keeping away from the bottom plate and first spacing hole assorted spacing ring, a plurality of blind holes have been seted up to the lower extreme of bottom plate, spliced pole sliding connection is in the blind hole, fixedly connected with spring between the diapire of blind hole and the spliced pole, still be covered with the protecting crust on the circuit board test fixture.
2. The circuit board testing tool according to claim 1, wherein a plurality of limiting blocks are fixedly connected to two sides of the placing table, a first clamping strip matched with the limiting blocks is fixedly connected to the inside of the protective shell, and the first clamping strip and the limiting blocks are in clamping connection.
3. The circuit board testing tool according to claim 2, wherein a second clamping strip matched with the limiting block is arranged on the outer side wall of the protective shell, and the second clamping strip is clamped with the limiting block.
4. The circuit board testing tool according to claim 1, wherein the connecting column is sleeved with a rubber sleeve.
5. The circuit board testing tool according to claim 1, wherein the outer diameter of the second limiting hole is smaller than the outer diameter of the first limiting hole.
6. The circuit board testing tool according to claim 1, wherein the storage box is fixedly connected to the placing table, a plurality of first partition boards are fixedly connected to the storage box, and the reaction dial is rotatably connected to the storage box through a rotating shaft.
7. The circuit board testing tool according to claim 1, wherein a protective sleeve is arranged between the limiting ring and the bottom plate.
8. The circuit board testing tool according to claim 1, wherein a plurality of second partition plates are rotatably connected to the top wall of the protective housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223378789.3U CN219392104U (en) | 2022-12-15 | 2022-12-15 | Circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223378789.3U CN219392104U (en) | 2022-12-15 | 2022-12-15 | Circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219392104U true CN219392104U (en) | 2023-07-21 |
Family
ID=87167311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223378789.3U Active CN219392104U (en) | 2022-12-15 | 2022-12-15 | Circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219392104U (en) |
-
2022
- 2022-12-15 CN CN202223378789.3U patent/CN219392104U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209842977U (en) | English word display device | |
| CN108448413A (en) | The electrical cabinet of easy access, assembly | |
| CN219392104U (en) | Circuit board test fixture | |
| CN209103615U (en) | A kind of student experimenting platform based on Internet of Things | |
| CN210111507U (en) | Automatic change relay protection screen cable fixing device | |
| CN108177136B (en) | Novel maintenance service creeper | |
| CN215953836U (en) | Mutual inductor comprehensive detection platform | |
| CN210109697U (en) | Engineering cost data collection and comparison device | |
| CN216559604U (en) | Elasticity detection device is used in spring production and processing with protection machanism | |
| CN220258096U (en) | Relay protection test stand | |
| CN221509054U (en) | Relay protection clamping device | |
| CN216285583U (en) | PCBA check out test set | |
| CN214519926U (en) | Installation tool for jumper pin at charging port of telephone watch | |
| CN213843325U (en) | Conduction immunity tester | |
| CN213023361U (en) | Wireless receiving terminal aging test tool that charges | |
| CN204856340U (en) | Computer mainframe body cable fixing device | |
| CN218832428U (en) | Novel cigarette rotation display cabinet | |
| CN220773977U (en) | Solid state disk test box | |
| CN220154990U (en) | Wire twisting machine fault alarm structure | |
| CN219456352U (en) | A integrative testing arrangement of damp heat aging for electronic product | |
| CN217359553U (en) | Insertion and extraction force testing device of test detection machine | |
| CN216560930U (en) | Detachable battery charge-discharge aging testing instrument | |
| CN214011388U (en) | Thing networking gateway equipment power failure detection device | |
| CN215698162U (en) | Display rack rod body drilling device | |
| CN208887936U (en) | A kind of battery boxes detecting device of new-energy automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |