CN218272579U - Circuit board testing device - Google Patents
Circuit board testing device Download PDFInfo
- Publication number
- CN218272579U CN218272579U CN202220494567.9U CN202220494567U CN218272579U CN 218272579 U CN218272579 U CN 218272579U CN 202220494567 U CN202220494567 U CN 202220494567U CN 218272579 U CN218272579 U CN 218272579U
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- circuit board
- test
- fixedly connected
- movable plate
- probe
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Abstract
The utility model discloses a circuit board testing device, which comprises a frame, a testing component and a driving component for driving the testing component to move in the vertical direction; the test assembly comprises a movable plate which is horizontally arranged and can move in the vertical direction, a plurality of probes vertically penetrate through the movable plate, and the test assembly relates to the technical field of test equipment. This circuit board testing arrangement, the twist grip drives the fly leaf and goes up and down, thereby drive the probe motion, place the circuit board on the base after the assigned position, push down the handle and can drive the probe and insert the test in the test hole on the circuit board and test, need not adjust the probe position at every turn, the test is complete to the handle that rotates upwards make the probe break away from, can take off the circuit board that the test was accomplished and put another examination circuit board that awaits measuring and test, moreover, the steam generator is simple in structure and reasonable, the operation is very convenient, can accomplish the test of circuit board fast, thereby be convenient for reject the damage, inferior circuit board, the product percent of pass is improved.
Description
Technical Field
The utility model relates to a test equipment technical field, in particular to circuit board testing arrangement.
Background
The circuit board is also called as a printed circuit board, is a provider for electrical connection of electronic components, enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of layout of electrical appliances.
In the production and manufacture of the loudspeaker, the circuit board is required to be used as a circuit element, and before assembly, the circuit board is required to be tested to test whether a circuit on the circuit board is conducted or not, so that the problem that the quality of a product is influenced because an inferior or damaged circuit board is installed in the product is avoided.
Therefore, how to conveniently perform a circuit conduction test on a circuit board to remove defective products is an urgent technical problem to be solved in the industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a circuit board testing arrangement aims at carrying out the circuit conduction test to the circuit board conveniently to reject the defective products, improve the product percent of pass.
The utility model provides a circuit board testing device, which comprises a frame, a testing component and a driving component for driving the testing component to move in the vertical direction;
the test assembly comprises a horizontally arranged movable plate capable of moving in the vertical direction, and a plurality of probes vertically penetrate through the movable plate;
the driving assembly comprises a fixed seat and a handle, the fixed seat is fixedly connected to the upper portion of the rack, a supporting groove is fixedly connected to the upper portion of the front side of the fixed seat, a guide cylinder is fixedly connected to the bottom of the front side of the fixed seat in a vertical mode, a connecting rod is fixedly connected to the handle, one end of the connecting rod is rotatably connected to the inside of the supporting groove, a movable column is arranged in the guide cylinder in a vertical penetrating mode and can be pulled in a lifting mode, the bottom end of the movable column is fixedly connected with the top of the movable plate, a connecting frame is hinged to the top end of the movable column, the other end of the connecting frame is hinged to the handle, and the handle is overturned upwards to drive the movable column to move upwards.
Preferably, the rack comprises a base and a back plate vertically and fixedly connected to the back side of the top of the base, and the fixed seat is fixedly connected to the upper part of the front side face of the back plate.
Preferably, the lower part of the front side surface of the back plate is vertically and fixedly connected with an upright post, the rear part of the movable plate is movably sleeved on the surface of the upright post, and the rear end of the movable plate is slidably connected with the front side surface of the back plate.
Preferably, the left side and the right side of the upper surface of the base are respectively and fixedly connected with placing plates extending from front to back, and the upper surface of the base is positioned between the two placing plates and is vertically and fixedly connected with a positioning rod.
Preferably, the left side and the right side of the lower surface of the movable plate are respectively provided with a pressing plate which is in one-to-one correspondence with the placing plate, and an elastic pad is arranged between the top of the pressing plate and the bottom of the movable plate.
Preferably, but go up to draw on the fly leaf and run through to be provided with the protection casing, both ends are uncovered about the bottom of protection casing and, the protection casing cover is located the outside of probe.
The utility model discloses a turning handle drives the fly leaf and goes up and down, thereby drive the probe motion, place the circuit board on the base after the assigned position, push down the handle and can drive in the test hole on the probe insertion circuit board and test, need not adjust the probe position at every turn, the test is complete to the handle that rotates upwards make the probe break away from, the circuit board that can take off the test completion is put another examination circuit board that awaits measuring and is tested, do not need unnecessary action, moreover, the steam generator is simple in structure, the operation is very convenient, can accomplish the test of circuit board fast, thereby be convenient for reject the damage, inferior circuit board, improve the product percent of pass.
Drawings
Fig. 1 is a side cross-sectional view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is an enlarged view of the layout at a in fig. 3 according to the present invention.
In the figure: 1. a base; 2. a back plate; 3. a fixed seat; 4. a support groove; 5. a guide cylinder; 6. a handle; 7. a connecting rod; 8. a movable post; 9. a connecting frame; 10. a movable plate; 11. a probe; 12. a protective cover; 13. an elastic pad; 14. pressing a plate; 15. placing the plate; 16. positioning a rod; 17. and (4) a column.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, an embodiment of the present invention is provided, a circuit board testing apparatus, including a frame, a testing component, and a driving component for driving the testing component to move in a vertical direction.
The testing assembly comprises a horizontally arranged movable plate 10 capable of moving in a vertical direction, the movable plate 10 is made of an insulating material, and a plurality of probes 11 vertically penetrate through the movable plate 10.
The bottom end of the probe 11 is located below the movable plate 10, the top end of the probe 11 is located above the movable plate 10, the top end of the probe 11 is connected with a wire, and the wire is connected with an external circuit analysis device, so that the circuit board can be tested, and the test device is in the prior art.
Drive assembly includes a fixed connection in fixing base 3 and a handle 6 on frame upper portion, the upper portion fixedly connected with of 3 front sides of fixing base supports groove 4, the vertical fixedly connected with guide cylinder 5 in bottom of 3 front sides of fixing base, fixedly connected with connecting rod 7 on the handle 6, the one end of connecting rod 7 is rotated and is connected in the inside of supporting groove 4, the inside of guide cylinder 5 can be carried with vertical running through and be provided with movable post 8, the bottom of movable post 8 and the top fixed connection of fly leaf 10, the top of movable post 8 articulates there is a carriage 9, the other end of carriage 9 is articulated with handle 6, handle 6 upwards overturns and drives movable post 8 upward movement.
The cross section of the supporting groove 4 is C-shaped, and the front side, the top and the bottom are open.
The connecting frame 9 is of a hollow structure, and when the connecting frame 9 rotates to the highest point along with the handle 6, the connecting frame 9 is just clamped and sleeved outside the supporting groove 4, and mutual interference cannot occur.
The handle 6 and the connecting rod 7 can rotate by taking the connecting part of the connecting rod 7 and the supporting groove 4 as an axis, when the connecting rod 7 rotates to the lower part and is in a vertical state, the connecting rod cannot rotate continuously under the limitation of the supporting groove 4, the handle 6 is positioned below the supporting groove 4 and moves forwards horizontally, as shown in fig. 1, the handle 6 is positioned at the lowest point, the movable column 8 and the movable plate 10 are both positioned at the lowest point, and the probe 11 is just inserted into a test hole on the circuit board;
the handle 6 is held to rotate upwards, the movable column 8 is driven to move upwards synchronously through the connecting frame 9, the movable column 8 is limited by the guide cylinder 5, cannot incline and can only move upwards vertically, and therefore the movable plate 10 is driven to move upwards, and the probe 11 is driven to rise; when the connecting rod 7 rotates to the upper part and is in a vertical state, the connecting rod cannot rotate continuously due to the limit of the supporting groove 4, as shown in fig. 2 and 3, at this time, the handle 6 is at the highest point, the movable column 8 and the movable plate 10 are both at the highest point, and the bottom end of the probe 11 is at the high point, so that the circuit board can be conveniently placed below the movable plate 10.
At this time, the connecting frame 9 is just nested outside the supporting groove 4, which can limit the connecting frame 9 and prevent the movable plate 10 from driving the probe 11 to move downwards due to rotation without external force.
After the circuit board is placed in place, the handle 6 is rotated towards the front side to drive the probe 11 to move downwards, so that the probe 11 is inserted into a test hole of the circuit board to test the circuit board.
Further, the frame includes base 1 and vertical fixed connection in the backplate 2 of base 1 top rear side, fixing base 3 fixed connection in the upper portion of 2 front sides of backplate.
The base 1 and the back plate 2 are made of insulating materials, so that the accuracy of the test is prevented from being influenced by electric leakage.
Furthermore, the lower portion of the front side of the back plate 2 is vertically and fixedly connected with an upright post 17, the rear portion of the movable plate 10 is movably sleeved on the surface of the upright post 17, and the rear end of the movable plate 10 is slidably connected with the front side of the back plate 2.
The sliding bearing is arranged at the joint of the movable plate 10 and the upright post 17, so that the friction force generated when the movable plate 10 moves along the surface of the upright post 17 is reduced, the clamping is avoided, and the lifting is facilitated.
Further, the left side and the right side of the upper surface of the base 1 are fixedly connected with placing plates 15 extending from front to back respectively, and the upper surface of the base 1 is positioned between the two placing plates 15 and is fixedly connected with a positioning rod 16 in a vertical direction.
During the test, the circuit board edge is placed on two boards of placing 15, avoids causing wearing and tearing to the circuit board surface, and locating lever 16 inserts in the locating hole on circuit board surface, guarantees that the circuit board position is placed the accuracy, and the position of test hole and probe 11 corresponds just.
Further, the left and right sides of the lower surface of the movable plate 10 are provided with pressing plates 14 corresponding to the placing plates 15 one by one, and elastic pads 13 are arranged between the tops of the pressing plates 14 and the bottoms of the movable plate 10.
When the pressing plate 14 does not contact the circuit board, the height of the lower edge of the pressing plate 14 is lower than the height of the bottom end of the probe 11, after the pressing plate 14 contacts the circuit board, when the movable plate 10 continuously moves downwards, the elastic pad 13 is compressed, and when the pressing plate 14 cannot move downwards, the probe 11 continues to move downwards, so that the bottom end of the probe 11 extends to the lower part of the plane where the lower edge of the pressing plate 14 is located, and can be inserted into a test hole of the circuit board.
After the circuit board is placed on the placing plate 15, the rotating handle 6 rotates towards the front side to drive the movable plate 10 to move downwards, the pressing plate 14 firstly contacts the circuit board, the movable plate 10 continuously moves downwards, the elastic pad 13 is compressed to generate elastic force, the pressing plate 14 presses the circuit board tightly, and then the bottom end of the probe 11 continuously moves downwards until the bottom end of the probe is inserted into the testing hole to be tested.
The pressing plate 14 and the placing plate 15 are made of insulating materials.
Further, a protective cover 12 is disposed on the movable plate 10 in a penetrating manner so as to be capable of being lifted, the bottom and the left and right ends of the protective cover 12 are open, and the protective cover 12 covers the outside of the probe 11.
When the bottom end of the protection cover 12 is not in contact with an object, the protection cover 12 is at the lowest point, the bottom end is lower than the height of the bottom end of the probe 11, the probe 11 is protected inside the protection cover 12, collision damage is prevented, when the movable plate 10 descends, the protection cover 12 contacts with a circuit board, the movable plate 10 continuously descends, the protection cover 12 is jacked up, the bottom end of the probe 11 is flush with the protection cover 12, when the probe 11 is continuously inserted into a test hole downwards, the protection cover 12 is further jacked up, the bottom end of the probe 11 is exposed out of the protection cover 12, and testing is performed.
Two through grooves matched with the side wall of the protective cover 12 are formed in the movable plate 10, so that the protective cover 12 can lift, a limiting block is fixedly connected to the inner wall of the protective cover 12, when the limiting block is in contact with the upper surface of the movable plate 10, the protective cover 12 is located at the lowest point, the top of the inner wall is not in contact with the top end of the probe 11, and the probe 11 is prevented from being damaged.
The top of the protective cover 12 is provided with a wiring groove for facilitating the extension of the lead.
During operation, hold handle 6 and upwards rotate, drive movable column 8 through link frame 9 and move up in step, the vertical upward movement of movable column 8 to drive fly leaf 10 upward movement, thereby drive probe 11 to rise and be in the high point, place the circuit board in place, the test hole corresponds with the position of probe 11, hold handle 6 and rotate forward, thereby drive movable column 8 and fly leaf 10 downward movement, drive probe 11 downward movement, insert in the test hole of circuit board, test.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (6)
1. The circuit board testing device is characterized by comprising a rack, a testing component and a driving component for driving the testing component to move in the vertical direction;
the test assembly comprises a horizontally arranged movable plate capable of moving in the vertical direction, and a plurality of probes vertically penetrate through the movable plate;
the driving assembly comprises a fixing seat and a handle, the fixing seat is fixedly connected to the upper portion of the rack, a supporting groove is fixedly connected to the upper portion of the front side of the fixing seat, a guide cylinder is fixedly connected to the bottom of the front side of the fixing seat in the vertical direction, a connecting rod is fixedly connected to the handle, one end of the connecting rod is rotatably connected to the inside of the supporting groove, a movable column is arranged in the guide cylinder in a vertical penetrating mode in a lifting and pulling mode, the bottom end of the movable column is fixedly connected with the top of the movable plate, the top end of the movable column is hinged to a connecting frame, the other end of the connecting frame is hinged to the handle, and the handle turns upwards to drive the movable column to move upwards.
2. The circuit board testing device of claim 1, wherein the rack comprises a base and a back plate vertically and fixedly connected to the rear side of the top of the base, and the fixing seat is fixedly connected to the upper part of the front side of the back plate.
3. A circuit board testing device according to claim 2, wherein a column is vertically and fixedly connected to a lower portion of the front side of the back plate, the rear portion of the movable plate is movably sleeved on a surface of the column, and the rear end of the movable plate is slidably connected to the front side of the back plate.
4. The circuit board testing device according to claim 2, wherein the left and right sides of the upper surface of the base are fixedly connected with placing plates extending from front to back respectively, and the positioning rod is vertically and fixedly connected between the two placing plates on the upper surface of the base.
5. The circuit board testing device according to claim 4, wherein the left and right sides of the lower surface of the movable plate are provided with pressing plates corresponding to the placing plates one by one, and an elastic pad is arranged between the top of each pressing plate and the bottom of the movable plate.
6. The testing device of claim 1, wherein a protective cover is disposed through the movable plate in a manner of being able to be pulled, the bottom, left end and right end of the protective cover are open, and the protective cover covers the outside of the probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220494567.9U CN218272579U (en) | 2022-03-09 | 2022-03-09 | Circuit board testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220494567.9U CN218272579U (en) | 2022-03-09 | 2022-03-09 | Circuit board testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218272579U true CN218272579U (en) | 2023-01-10 |
Family
ID=84706752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220494567.9U Active CN218272579U (en) | 2022-03-09 | 2022-03-09 | Circuit board testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218272579U (en) |
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2022
- 2022-03-09 CN CN202220494567.9U patent/CN218272579U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |