CN220084943U - Positioning structure of four-probe tester - Google Patents
Positioning structure of four-probe tester Download PDFInfo
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- CN220084943U CN220084943U CN202321268032.0U CN202321268032U CN220084943U CN 220084943 U CN220084943 U CN 220084943U CN 202321268032 U CN202321268032 U CN 202321268032U CN 220084943 U CN220084943 U CN 220084943U
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- threaded rod
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- probe
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- 239000000523 sample Substances 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 7
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
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Abstract
The utility model discloses a positioning structure of a four-probe tester, which relates to the technical field of four-probe testers. This location structure of four probe tester, the rotor plate pivoted angle that is connected through motor controller control motor lets the angle of test head take place to rotate simultaneously to and through the rotation of horizontal threaded rod, let the test head take place to remove, can fix a position different positions, and motor and threaded rod all need manual control, can prevent like this that the test head from moving automatically, improved the accuracy of location, and can let test head straight line downward movement through erecting the threaded rod, prevent to take place the slope change, realize the accuracy of test.
Description
Technical Field
The utility model relates to the technical field of four-probe testers, in particular to a positioning structure of a four-probe tester.
Background
The four-probe tester is multipurpose comprehensive measurement equipment applying the four-probe measurement principle, in the prior art, the existing four-probe tester test head is connected with the test head through an electric wire, the linear motion of the test head cannot be controlled, when the test head is contacted with an object, the test head is not provided with a positioning mechanism on the periphery, the test head is easy to deflect, and the test head cannot accurately test different positions.
For example, patent application number CN201010209466.4, a probe positioning structure of a four-probe tester, which comprises an insulation probe head and four probes, wherein an elastic insulation spacer is fixedly sleeved on each probe, the inner diameter of the elastic insulation spacer is matched with the diameter of the probe, and the sum of wall thicknesses of the elastic insulation spacer sleeved on two adjacent probes is equal to the center distance between the two adjacent probes minus the diameter of one probe; the four elastic insulating space rings are positioned at the same height position of the probe, and the distance between the elastic insulating space rings and the lower end of the metal probe is 1/4-1/2 of the total length of the probe; the probe spacer is made of the tetrafluoro elastic insulating material, the process is simple and simple, the spacer precision is high, the cost is low, tetrafluoro elastic insulating rings are sleeved on each probe, the four probes can be stably separated, the strength of the probes is increased, the mechanical migration of the probes can be accurately controlled, the electrical insulation among the probes is ensured, the probes can be ensured to have constant-voltage elasticity and good electrical contact property, the linear motion of a test head cannot be controlled during use, and when the test head is contacted with an object, positioning mechanisms for the test head do not exist around, so that the test head is easily deviated, and the problem of inaccurate test on different positions can be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a positioning structure of a four-probe tester, which solves the problems that the linear motion of a test head cannot be controlled, when the test head is contacted with an object, the periphery is not provided with a positioning mechanism for the test head, the test head is easy to deviate, and the test of different positions cannot be accurately performed.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a location structure of four probe tester, includes the base, the one end top of base is provided with positioning mechanism to and the other end top of base is provided with the tester body, positioning mechanism's bottom is provided with the test board, and test board and base fixed connection.
The utility model provides a tester, including the tester body, the dead lever is kept away from the one end bottom of tester body and is provided with the motor, and the output shaft tip of motor is provided with the rotor plate, the rotor plate is connected with the output shaft tip transmission of motor, one side of rotor plate is provided with the locating plate, the below of motor is provided with horizontal threaded rod, horizontal threaded rod runs through the rotor plate and with rotor plate threaded connection, the bottom of dead lever is provided with perpendicular threaded rod, perpendicular threaded rod runs through the locating plate and with locating plate threaded connection, one side of perpendicular threaded rod is provided with the spring electric wire, the bottom of spring electric wire is provided with the test head, the front of base is provided with motor controller.
Preferably, a transverse plate is arranged on one side of the test head, one end of the transverse plate is fixedly connected with the top end of the test head, and the top of the transverse plate is movably connected with the vertical threaded rod.
Preferably, handles are arranged at the top end of the vertical threaded rod and one end of the horizontal threaded rod, and the number of the handles is two.
Preferably, the top of horizontal threaded rod is provided with the round bar, the one end and the locating plate fixed connection of round bar to and the round bar runs through the rotor plate and with rotor plate swing joint.
Preferably, an annular chute is arranged at the outer side of the top end of the rotating plate.
Preferably, the two sides of the annular chute are provided with brackets, and the top ends of the brackets are fixedly connected with the fixing rods.
Preferably, the bottom end of the support is positioned in the annular chute and is movably connected with the annular chute.
Advantageous effects
The utility model provides a positioning structure of a four-probe tester. Compared with the prior art, the method has the following beneficial effects:
1. this location structure of four probe tester, the rotor plate pivoted angle that is connected through motor controller control motor lets the angle of test head take place to rotate simultaneously to and through the rotation of horizontal threaded rod, let the test head take place to remove, can fix a position different positions, and motor and threaded rod all need manual control, can prevent like this that the test head from moving automatically, improved the accuracy of location, and can let test head straight line downward movement through erecting the threaded rod, prevent to take place the slope change, realize the accuracy of test.
2. This location structure of four probe testers through the setting of spring electric wire, can satisfy the removal or the angle change of locating plate, when the rotor plate takes place to rotate, because the top and the dead lever fixed connection of support, the bottom of support is located the inside of annular spout, and with annular spout swing joint, can guarantee the rotation of rotor plate, and the bottom of support is located the inside of annular spout, prevents that the rotor plate from dropping downwards.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a positioning mechanism according to the present utility model.
Fig. 3 is a top view of the transverse threaded rod and the rotary plate of the present utility model.
In the figure: 1. a base; 2. a positioning mechanism; 201. a fixed rod; 202. a motor; 203. a rotating plate; 204. a positioning plate; 205. a transverse threaded rod; 206. a vertical threaded rod; 207. a spring wire; 208. a test head; 209. a cross plate; 210. a handle; 211. a round bar; 212. an annular chute; 213. a bracket; 3. a tester body; 4. a test board; 5. and a motor controller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a location structure of four probe tester, includes base 1, and the one end top of base 1 is provided with positioning mechanism 2 to and the other end top of base 1 is provided with tester body 43, and positioning mechanism 2's bottom is provided with test board 4, and test board 4 and base 1 fixed connection.
The positioning mechanism 2 comprises a fixing rod 201, a motor 202 is arranged at the bottom of one end of the fixing rod 201, far away from the tester body 3, a rotating plate 203 is arranged at the end part of an output shaft of the motor 202, the rotating plate 203 is in transmission connection with the end part of the output shaft of the motor 202, a positioning plate 204 is arranged on one side of the rotating plate 203, a transverse threaded rod 205 is arranged below the motor 202, the transverse threaded rod 205 penetrates through the rotating plate 203 and is in threaded connection with the rotating plate 203, a vertical threaded rod 206 is arranged at the bottom of the fixing rod 201, the vertical threaded rod 206 penetrates through the positioning plate 204 and is in threaded connection with the positioning plate 204, a spring wire 207 is arranged on one side of the vertical threaded rod 206, a test head 208 is arranged at the bottom of the spring wire 207, and a motor controller 5 is arranged on the front side of the base 1.
One side of the test head 208 is provided with a transverse plate 209, one end of the transverse plate 209 is fixedly connected with the top end of the test head 208, the top of the transverse plate 209 is movably connected with the vertical threaded rod 206, the rotation of the vertical threaded rod 206 can be ensured, and the vertical threaded rod 206 is movably connected with the transverse plate 209 to enable the transverse plate 209 to move up and down.
The top end of the vertical threaded rod 206 and one end of the horizontal threaded rod 205 are provided with two handles 210, so that the vertical threaded rod 206 and the horizontal threaded rod 205 can be conveniently rotated.
The top of the transverse threaded rod 205 is provided with a round rod 211, one end of the round rod 211 is fixedly connected with the positioning plate 204, and the round rod 211 penetrates through the rotating plate 203 and is movably connected with the rotating plate 203, so that the round rod 211 rotates along with the rotating plate 203.
Referring to fig. 1-3, an annular chute 212 is disposed on the outer side of the top end of the rotating plate 203, supports 213 are disposed on both sides of the annular chute 212, the top end of the support 213 is fixedly connected with the fixing rod 201, the bottom end of the support 213 is located inside the annular chute 212 and movably connected with the annular chute 212, rotation of the rotating plate 203 can be ensured, and the bottom end of the support 213 is located inside the annular chute 212 to prevent the rotating plate 203 from falling down.
During operation, the motor controller 5 is used firstly, the rotation angle of the motor 202 is controlled by the motor controller 5, the output shaft end of the motor 202 is in transmission connection with the rotating plate 203, the motor 202 drives the rotating plate 203 to rotate, the transverse threaded rod 205 and the round rod 211 penetrate through the rotating plate 203, the angles of the transverse threaded rod 205 and the round rod 211 can be changed at the same time, the transverse threaded rod 205 and the round rod 211 are contacted with the positioning plate 204, the positioning plate 204 rotates along with the transverse threaded rod 205 and the round rod 211, the working efficiency is improved, the vertical threaded rod 206 penetrates through the positioning plate 204, the vertical threaded rod 206 is connected with the testing head 208 through the transverse plate 209, the testing head 208 is changed, the testing head 208 is aligned with different positions of the testing plate 4, the motor 202 is stopped from working, the testing head 208 is not moved when the motor 202 is not working, the subsequent test is convenient, then the transverse threaded rod 205 is rotated, as the transverse threaded rod 205 is in threaded connection with the rotating plate 203, the transverse threaded rod 205 moves through the rotating plate 203 and pushes the positioning plate 204 to move, the test head 208 at the bottom moves simultaneously, the position of the test head 208 is adjusted again, the adjustment of different positions is realized, the subsequent positioning work on different positions can be realized, the spring wire 207 can be deformed through the movement of the positioning plate 204, the movement or the angle change of the positioning plate 204 can be satisfied through the arrangement of the spring wire 207, when the rotating plate 203 rotates, the top end of the bracket 213 is fixedly connected with the fixed rod 201, the bottom end of the bracket 213 is positioned in the annular chute 212 and movably connected with the annular chute 212, the rotation of the rotating plate 203 can be ensured, the bottom end of the bracket 213 is positioned in the annular chute 212, prevent that rotor plate 203 from dropping downwards, afterwards rotate perpendicular threaded rod 206, owing to perpendicular threaded rod 206 and locating plate 204 threaded connection, let rotatory perpendicular threaded rod 206 downstream through locating plate 204 to the diaphragm 209 downstream of bottom has been promoted, and diaphragm 209 and test head 208 fixed connection let test head 208 simultaneously downstream, owing to spring electric wire 207 and locating plate 204 swing joint, stretch spring electric wire 207, can let test head 208 straight line downstream, prevent to take place the slope change, can accurate realization test.
And all that is not described in detail in this specification is well known to those skilled in the art.
Claims (7)
1. Four probe tester's location structure, including base (1), its characterized in that: a positioning mechanism (2) is arranged at the top of one end of the base (1), a tester body (3) is arranged at the top of the other end of the base (1), a test plate (4) is arranged at the bottom of the positioning mechanism (2), and the test plate (4) is fixedly connected with the base (1);
positioning mechanism (2) are including dead lever (201), the one end bottom that tester body (3) was kept away from to dead lever (201) is provided with motor (202), and the output shaft tip of motor (202) is provided with rotor plate (203), rotor plate (203) are connected with the output shaft tip transmission of motor (202), one side of rotor plate (203) is provided with locating plate (204), the below of motor (202) is provided with horizontal threaded rod (205), horizontal threaded rod (205) run through rotor plate (203) and with rotor plate (203) threaded connection, the bottom of dead lever (201) is provided with perpendicular threaded rod (206), perpendicular threaded rod (206) run through locating plate (204) and with locating plate (204) threaded connection, one side of perpendicular threaded rod (206) is provided with spring wire (207), the bottom of spring wire (207) is provided with test head (208), the front of base (1) is provided with motor controller (5).
2. The positioning structure of the four-probe tester according to claim 1, wherein: one side of the test head (208) is provided with a transverse plate (209), one end of the transverse plate (209) is fixedly connected with the top end of the test head (208), and the top of the transverse plate (209) is movably connected with the vertical threaded rod (206).
3. The positioning structure of the four-probe tester according to claim 1, wherein: the top end of the vertical threaded rod (206) and one end of the horizontal threaded rod (205) are provided with handles (210), and the number of the handles (210) is two.
4. The positioning structure of the four-probe tester according to claim 1, wherein: the top of horizontal threaded rod (205) is provided with round bar (211), the one end and the locating plate (204) fixed connection of round bar (211) to and round bar (211) run through rotor plate (203) and with rotor plate (203) swing joint.
5. The positioning structure of the four-probe tester according to claim 1, wherein: an annular chute (212) is arranged on the outer side of the top end of the rotating plate (203).
6. The positioning structure of the four-probe tester according to claim 5, wherein: both sides of the annular chute (212) are provided with brackets (213), and the top ends of the brackets (213) are fixedly connected with the fixing rods (201).
7. The positioning structure of the four-probe tester according to claim 6, wherein: the bottom end of the support (213) is positioned in the annular chute (212) and is movably connected with the annular chute (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321268032.0U CN220084943U (en) | 2023-05-24 | 2023-05-24 | Positioning structure of four-probe tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321268032.0U CN220084943U (en) | 2023-05-24 | 2023-05-24 | Positioning structure of four-probe tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220084943U true CN220084943U (en) | 2023-11-24 |
Family
ID=88816870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321268032.0U Active CN220084943U (en) | 2023-05-24 | 2023-05-24 | Positioning structure of four-probe tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220084943U (en) |
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2023
- 2023-05-24 CN CN202321268032.0U patent/CN220084943U/en active Active
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