Test clamp with polishing function
By integrating arc-shaped grinding plates and sponge pads in the test clips, the contact surface cleaning problem during equipment tests is solved, and fast and convenient surface grinding and impurity wiping are achieved, reducing test errors.
Patent Information
- Application Number
- CN202420344270.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-02-26
AI Technical Summary
During outdoor equipment testing, due to environmental factors, oxidation, rust and dirt that affect the test results, the existing test clips lack the function of cleaning the contact surface, resulting in the possibility of test errors.
A test clip with grinding function is designed, including a curved grinding plate and a high-density sponge pad. The clamping arm is connected by a fixed shaft and a torsion spring. The grinding plate and sponge pad are integrated into the pressing end protective sleeve to facilitate cleaning of contact surfaces.
It realizes rapid and convenient cleaning of contact surfaces during equipment testing, effectively polishing the surface of arc-shaped grinding plates, and wipes impurities from sponge pads, simplifying carrying and using, and reducing test errors.
Smart Images

Figure CN222280682U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric power test tools, in particular to a test clip with a grinding function. Background Art
[0002] During outdoor equipment testing (especially direct resistance and return resistance testing), environmental factors may cause oxidation, rust, dirt, dust, etc. on the surface of the test equipment. Oxidation and rust on the surface of the test connector may affect the test results. Therefore, the surface of the contact parts of the test equipment needs to be cleaned before the test to eliminate the impact of environmental factors on the test results.
[0003] Currently, all test clamps are conventional clamps, which are only used as test connection tools without other functions. In equipment testing, sandpaper or other tools are used to clean the contact surface when processing the contact surface. Due to the uncertainty of whether the test requires cleaning the contact surface, the cleaning tool may be forgotten, resulting in test errors. Utility Model Content
[0004] In view of the deficiencies of the prior art, the utility model provides a test clamp with a grinding function to solve the problem of convenient cleaning of the contact surface during equipment testing.
[0005] The utility model provides a test clamp with a grinding function, which has the following structure: it comprises two corresponding clamp arms, the clamp arms are connected by a fixed shaft and a torsion spring, a pressing end of the clamp arm is provided with a pressing end protective sleeve, a tail of the pressing end of the clamp arm is provided with a wiring hole, a grinding plate is provided on the inner side of the pressing end protective sleeve, and a sponge pad is provided on the inner side of the pressing end protective sleeve corresponding to the other side of the grinding plate.
[0006] The clamp arm includes a clamp arm A and a clamp arm B, and two corresponding fixing ears A are provided on the side wall of the clamp arm A, and two corresponding fixing ears B are provided on the side wall of the clamp arm B. Both the fixing ears A and the fixing ears B are provided with through holes. The clamp arm A and the clamp arm B are connected by a fixed shaft connecting the fixing ears A and the fixing ears B. A torsion spring is sleeved on the fixed shaft, one end of the torsion spring is fixed on the inner side of the clamp arm A, and the other end of the torsion spring is fixed on the inner side of the clamp arm B.
[0007] The grinding plate is an arc-shaped grinding plate.
[0008] The grinding plate is detachable.
[0009] The sponge pad is a high-density sponge.
[0010] The sponge pad is detachable.
[0011] The pressing end protective cover is made of insulating material, such as rubber, plastic, or wood.
[0012] The clamping arm is made of conductive material, such as copper, aluminum, iron, or silver.
[0013] The beneficial effects of the utility model are: simple structure, the grinding tool can be modified on the original test clamp, it is easy and quick to use, the arc-shaped grinding plate is more conducive to the grinding of the surface of the contact part of the test equipment, and the sponge pad can wipe off the polished impurities during grinding. The test clamp and the grinding and cleaning tool are integrated, which is convenient to carry and flexible to use. Even if the grinding tool is not used, it will not affect the use of the test clamp. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural diagram of the utility model;
[0015] Figure 2 It is a side view of the utility model;
[0016] In the figure: 1. Clamp arm A, 2. Clamp arm B, 3. Pressing end protection cover A, 4. Pressing end protection cover B, 5. Wiring hole, 6. Sponge pad, 7. Grinding plate, 8. Torsion spring, 9. Fixed shaft, 11. Fixed ear A, 12. Fixed ear B. DETAILED DESCRIPTION
[0017] Example 1
[0018] like Figure 1-2 As shown, the utility model provides a test clamp with a grinding function, and its structure is as follows: it includes two corresponding clamp arms, the clamp arms include a clamp arm A1 and a clamp arm B2, two corresponding fixing ears A11 are arranged on the side wall of the clamp arm A1, and two corresponding fixing ears B12 are arranged on the side wall of the clamp arm B2, and through holes are arranged on the fixing ears A11 and the fixing ears B12, the clamp arm A1 and the clamp arm B2 are connected by a fixed shaft 9 connecting the fixing ears A11 and the fixing ears B12, and a torsion spring 8 is sleeved on the fixed shaft 9, one end of the torsion spring 8 is fixed to the inner side of the clamp arm A1, and the other end of the torsion spring 8 is fixed to the inner side of the clamp arm B2;
[0019] The pressing end of the clamp arm A1 is provided with a pressing end protection cover B4, and the pressing end of the clamp arm B2 is provided with a pressing end protection cover A3;
[0020] The material of the clamp arm is copper;
[0021] The material of the pressing end protective cover is rubber;
[0022] A wiring hole 5 is provided on the pressing end protection cover A3 at the tail of the pressing end of the clamp arm B2;
[0023] A grinding plate 7 is provided inside the pressing end protective sleeve, and the grinding plate 7 is an arc-shaped grinding plate 7; the grinding plate 7 is bonded by a rubber strip and can be removed and replaced;
[0024] A sponge pad 6 is arranged inside the protective cover of the pressing end on the other side corresponding to the grinding plate 7; the sponge pad 6 is a high-density sponge; the sponge pad 6 is bonded by a rubber strip and can be removed and replaced;
[0025] Specifically, when the surface of the contact part of the test equipment needs to be cleaned, the pressing end of the test clip is placed on the contact part, the pressing end of the test clip is pressed tightly, and the test clip is rotated left and right until the contact part is polished and cleaned.
Claims
1. A test clip with a grinding function, characterized in that: It comprises two corresponding clamping arms, and the clamping arms comprise clamping arms A and clamping arms B. Two corresponding fixing ears A are arranged on the side wall of the clamping arms A, and two corresponding fixing ears B are arranged on the side wall of the clamping arms B. Both the fixing ears A and the fixing ears B are arranged with through holes. The clamping arms A and B are connected by a fixed shaft connecting the fixing ears A and the fixing ears B. The clamping arms are connected by a fixed shaft and a torsion spring. A torsion spring is sleeved on the fixed shaft, one end of the torsion spring is fixed to the inner side of the clamping arm A, and the other end of the torsion spring is fixed to the inner side of the clamping arm B. A pressing end of the clamping arm is provided with a pressing end protective sleeve, and a wiring hole is arranged at the tail of the pressing end of the clamping arm. A grinding plate is arranged on the inner side of the pressing end protective sleeve, and a sponge pad is arranged on the inner side of the pressing end protective sleeve corresponding to the other side of the grinding plate.
2. The test clip with grinding function according to claim 1, characterized in that: The grinding plate is an arc-shaped grinding plate.
3. The test clip with grinding function according to claim 2, characterized in that: The grinding plate is detachable.
4. The test clip with grinding function according to claim 1, characterized in that: The sponge pad is a high-density sponge.
5. The test clip with grinding function according to claim 4, characterized in that: The sponge pad is detachable.
6. The test clip with grinding function according to claim 1, characterized in that: The pressing end protective cover is made of insulating material.
7. The test clip with grinding function according to claim 1, characterized in that: The clamping arm is made of conductive material.