Auxiliary test fixture for oscilloscope probe
By designing an oscilloscope probe assisted test fixture, the probe is fixed and deeply contacted with the measured circuit using the fixture structure, the problems of insufficient safety and low accuracy in the prior art are solved, and higher safety and measurement accuracy are achieved.
Patent Information
- Application Number
- CN202323581518.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-27
AI Technical Summary
Existing oscilloscope probes are inadequate in safety when testing high voltage and high currents, and it is difficult to deeply contact the measured circuit in a narrow space, affecting the measurement accuracy.
An oscilloscope probe auxiliary test fixture is designed. By setting the first clamp, bolt, second clamp, round rod and round block to fix the probe, using vertical rod, connecting rod, T-block, threaded rod, butt rod, rectangular sleeve, Frosted rods, gaskets, springs and arc-shaped extrusion blocks enable safe fixation and deep contact of the probe.
It improves user safety and facilitates the probe to contact the measured circuit in a narrow space, enhancing the accuracy and applicability of the measurement.
Smart Images
Figure CN222145050U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oscilloscope probes, in particular to an auxiliary test fixture for an oscilloscope probe. Background Art
[0002] The oscilloscope probe is crucial to the accuracy and correctness of the measurement results. It is an electronic component that connects the circuit under test to the input of the oscilloscope. The simplest probe is a wire that connects the circuit under test to the input of the electronic oscilloscope. Complex probes are composed of resistors, capacitors and active devices. Since the probe inputs the measured signal into the oscilloscope channel, the probe is very important for testing.
[0003] In the prior art, the first thing to consider when using a probe is the safety of personnel, especially when testing high voltage and high current; the second thing to consider is the accuracy of the test. For narrow spaces, it is not easy for the probe to penetrate deeply. Therefore, we propose an oscilloscope probe auxiliary test fixture to solve the above problems. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and provides an oscilloscope probe auxiliary test fixture.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] The top of the base is fixedly connected with a counterweight seat, the top of the counterweight seat is rotatably connected with a vertical rod, the outer wall of the vertical rod is rotatably connected with a connecting rod, one end of the connecting rod is rotatably connected with a T-block, the top of the counterweight seat is provided with a T-shaped long groove, the inner wall of the T-shaped long groove is rotatably connected with a threaded rod, the outer wall of the T-block is provided with a threaded hole, the inner wall of the threaded hole is threadedly connected with the outer wall of the threaded rod, the top of the vertical rod is provided with a vertical hole, the inner wall of the vertical hole is threadedly connected with a docking rod, the top of the docking rod is fixedly connected with a rectangular sleeve, the outer wall of the rectangular sleeve is provided with a sliding hole, the inner wall of the sliding hole is slidably connected with a frosted rod, the outer wall of the rectangular sleeve is provided with a locking mechanism, one end of the frosted rod is fixedly connected with a first clamping plate, the outer wall of the first clamping plate is rotatably connected with a bolt, and the outer wall threaded sleeve of the bolt is provided with a second clamping plate.
[0007] Preferably, the locking mechanism includes a gasket, a hollow groove is formed at the top of the rectangular sleeve, the inner wall of the hollow groove is slidably connected to the outer wall of the gasket, a plurality of springs are fixedly connected to the top of the gasket, the top of the spring is fixedly connected to the inner wall of the hollow groove, the top of the gasket is fixedly connected to a T-shaped column, the bottom of the gasket is fixedly connected to an arc-shaped extrusion block, the outer wall of the arc-shaped extrusion block is extruded against the outer wall of the sanding rod, and the sanding rod is extruded and limited by setting the arc-shaped extrusion block to prevent it from rotating when not subjected to external force.
[0008] Preferably, the outer wall of the T-block is slidably connected to the inner wall of the T-shaped long groove.
[0009] Preferably, one end of the threaded rod passes through the inner wall of the T-shaped long groove and is fixedly connected with a round block, and the threaded rod is provided to drive the T-shaped block to move linearly.
[0010] Preferably, a sliding hole is provided on the outer wall of the rectangular sleeve, and the inner wall of the sliding hole is slidably connected to the outer wall of the T-shaped column.
[0011] Preferably, the other end of the sanding rod is fixedly connected to a limiting plate, and the limiting plate is provided to prevent the sanding rod from sliding out of the rectangular sleeve.
[0012] Preferably, the outer wall of the first clamping plate is provided with two circular holes, the inner walls of the two circular holes are slidably connected with round rods, one end of the two round rods are fixedly connected to the outer wall of the second clamping plate, and the second clamping plate is assisted in moving by providing the two round rods.
[0013] Compared with the prior art, the advantages of the utility model are:
[0014] This solution fixes the oscilloscope probe between the first clamping plate and the second clamping plate by arranging a first clamping plate, a bolt, a second clamping plate, a round rod and a round block, so that the user does not touch the probe, thereby improving safety; by arranging a vertical rod, a connecting rod, a T-block, a threaded rod, a docking rod, a rectangular sleeve, a frosted rod, a gasket, a spring, a T-column and an arc-shaped extrusion block, it is convenient for the probe to extend into an inclined hole or a deeper depth, thereby increasing applicability and facilitating the probe to contact the circuit under test. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 This is a three-dimensional structural schematic diagram of an oscilloscope probe auxiliary test fixture proposed by the utility model;
[0017] Figure 2 This is a schematic cross-sectional structure diagram of an oscilloscope probe auxiliary test fixture proposed by the utility model;
[0018] Figure 3 The utility model provides an oscilloscope probe auxiliary test fixture Figure 2 A schematic diagram of the enlarged structure of part A;
[0019] Figure 4The utility model provides an oscilloscope probe auxiliary test fixture Figure 2 Schematic diagram of the enlarged structure of part B in FIG.
[0020] In the figure: 1. base; 2. counterweight seat; 3. vertical rod; 4. connecting rod; 5. T-block; 6. threaded rod; 7. docking rod; 8. rectangular sleeve; 9. frosted rod; 10. gasket; 11. spring; 12. T-column; 13. arc extrusion block; 14. first clamping plate; 15. bolt; 16. second clamping plate; 17. round rod; 18. round block. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Depend on Figure 1-Figure 4 As shown, it relates to an oscilloscope probe auxiliary test fixture, including a base 1, a counterweight seat 2 is fixedly connected to the top of the base 1, a vertical rod 3 is rotatably connected to the top of the counterweight seat 2, the outer wall of the vertical rod 3 is rotatably connected to a connecting rod 4, the connecting rod 4 drives the vertical rod 3 to rotate, one end of the connecting rod 4 is rotatably connected to a T-block 5, the outer wall of the T-block 5 is slidably connected to the inner wall of the T-shaped long groove, and the T-block 5 is slidably connected through the inner wall of the T-shaped long groove.
[0023] A T-shaped long groove is provided on the top of the counterweight seat 2, and a threaded rod 6 is rotatably connected to the inner wall of the T-shaped long groove. One end of the threaded rod 6 passes through the inner wall of the T-shaped long groove and is fixedly connected to a round block 18. The rotation of the round block 18 causes the threaded rod 6 to rotate, and the rotation of the threaded rod 6 causes the T-block 5 to move. A threaded hole is provided on the outer wall of the T-block 5, and the inner wall of the threaded hole is threadedly connected to the outer wall of the threaded rod 6.
[0024] A vertical hole is provided at the top of the vertical rod 3, and a docking rod 7 is threadedly connected to the inner wall of the vertical hole. A rectangular sleeve 8 is fixedly connected to the top of the docking rod 7. Rotating the docking rod 7 drives the rectangular sleeve 8 to rise and fall. A sliding hole is provided on the outer wall of the rectangular sleeve 8, and a frosted rod 9 is slidably connected to the inner wall of the sliding hole. The other end of the frosted rod 9 is fixedly connected to a limiting plate, and a locking mechanism is provided on the outer wall of the rectangular sleeve 8.
[0025] One end of the sanding rod 9 is fixedly connected to a first clamping plate 14, and the outer wall of the first clamping plate 14 is rotatably connected to a bolt 15 through a bearing, and the outer wall of the bolt 15 is threadedly sleeved with a second clamping plate 16. The outer walls of the first clamping plate 14 and the second clamping plate 16 are bonded with rubber pads to squeeze and limit the probe. Two circular holes are provided on the outer wall of the first clamping plate 14, and the inner walls of the two circular holes are slidably connected to round rods 17. One ends of the two round rods 17 are fixedly connected to the outer wall of the second clamping plate 16, and the two round rods 17 assist the second clamping plate 16 to move.
[0026] The locking mechanism includes a gasket 10. A hollow groove is opened at the top of the rectangular sleeve 8. The inner wall of the hollow groove is slidably connected to the outer wall of the gasket 10. A plurality of springs 11 are fixedly connected to the top of the gasket 10. The top of the spring 11 is fixedly connected to the inner wall of the hollow groove. The spring 11 drives the gasket 10 and the arc-shaped extrusion block 13 to move, so that the arc-shaped extrusion block 13 is squeezed onto the outer wall of the frosting rod 9. The top of the gasket 10 is fixedly connected to a T-shaped column 12.
[0027] The outer wall of the rectangular sleeve 8 is provided with a sliding hole, the inner wall of the sliding hole is slidably connected to the outer wall of the T-shaped column 12, and the bottom of the gasket 10 is fixedly connected with an arc-shaped extrusion block 13, the outer wall of the arc-shaped extrusion block 13 is extruded with the outer wall of the grinding rod 9.
[0028] Working principle: When in use, place the oscilloscope probe between the first clamping plate 14 and the second clamping plate 16, rotate the bolt 15 to make the second clamping plate 16 move linearly through the two round rods 17, and fix the probe between the first clamping plate 14 and the second clamping plate 16, rotate the round block 18 to make the threaded rod 6 rotate, and the threaded rod 6 rotates to make the T-block 5 move, and the movement of the T-block 5 makes the connecting rod 4 drive the vertical rod 3 to rotate, so that the probe is tilted, which is convenient for deepening the inclined hole, and the T-column 12 is moved upward to drive the gasket 10 to move upward, and the gasket 10 moves upward to move the arc extrusion block 13 upward, and the position fixation of the frosted rod 9 is released, and the frosted rod 9 drives the first clamping plate 14 and the second clamping plate 16 to move linearly, and drives the probe to move horizontally, so that the probe can more easily contact the circuit under test.
[0029] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. An oscilloscope probe auxiliary test fixture, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a counterweight seat (2), the top of the counterweight seat (2) is rotatably connected to a vertical rod (3), the outer wall of the vertical rod (3) is rotatably connected to a connecting rod (4), one end of the connecting rod (4) is rotatably connected to a T-shaped block (5), the top of the counterweight seat (2) is provided with a T-shaped long groove, the inner wall of the T-shaped long groove is rotatably connected to a threaded rod (6), the outer wall of the T-shaped block (5) is provided with a threaded hole, the inner wall of the threaded hole is threadedly connected to the outer wall of the threaded rod (6), and the vertical rod (3) is rotatably connected to the outer wall of the threaded rod (6). A vertical hole is provided at the top, and a docking rod (7) is threadedly connected to the inner wall of the vertical hole. A rectangular sleeve (8) is fixedly connected to the top of the docking rod (7). A sliding hole is provided on the outer wall of the rectangular sleeve (8). A grinding rod (9) is slidably connected to the inner wall of the sliding hole. A locking mechanism is provided on the outer wall of the rectangular sleeve (8). A first clamping plate (14) is fixedly connected to one end of the grinding rod (9). A bolt (15) is rotatably connected to the outer wall of the first clamping plate (14). A second clamping plate (16) is threadedly sleeved on the outer wall of the bolt (15).
2. The oscilloscope probe auxiliary test fixture according to claim 1, characterized in that: The locking mechanism comprises a gasket (10), a hollow groove is formed at the top of the rectangular sleeve (8), the inner wall of the hollow groove is slidably connected to the outer wall of the gasket (10), a plurality of springs (11) are fixedly connected to the top of the gasket (10), the top of the springs (11) are fixedly connected to the inner wall of the hollow groove, a T-shaped column (12) is fixedly connected to the top of the gasket (10), and an arc-shaped extrusion block (13) is fixedly connected to the bottom of the gasket (10), and the outer wall of the arc-shaped extrusion block (13) is extruded against the outer wall of the grinding rod (9).
3. The oscilloscope probe auxiliary test fixture according to claim 1, characterized in that: The outer wall of the T-shaped block (5) is slidably connected to the inner wall of the T-shaped long groove.
4. The oscilloscope probe auxiliary test fixture according to claim 1, characterized in that: One end of the threaded rod (6) passes through the inner wall of the T-shaped long groove and is fixedly connected to a round block (18).
5. The oscilloscope probe auxiliary test fixture according to claim 2, characterized in that: The outer wall of the rectangular sleeve (8) is provided with a sliding hole, and the inner wall of the sliding hole is slidably connected to the outer wall of the T-shaped column (12).
6. The oscilloscope probe auxiliary test fixture according to claim 1, characterized in that: The other end of the grinding rod (9) is fixedly connected to a limiting plate.
7. The oscilloscope probe auxiliary test fixture according to claim 1, characterized in that: The outer wall of the first clamping plate (14) is provided with two circular holes, the inner walls of the two circular holes are slidably connected with round rods (17), and one end of the two round rods (17) is fixedly connected to the outer wall of the second clamping plate (16).