A portable intelligent grounding resistance tester

Abstract

This utility model belongs to the field of testing instrument technology, specifically a portable intelligent grounding resistance tester, including a tester body and a cover. A square rubber pad is fixedly connected to the surface of the cover, and a square rubber ring is fixedly connected to the surface of the rubber pad. A sealing groove corresponding to the rubber ring is provided on the surface of the cover. A drain outlet corresponding to the sealing groove is provided on the outer wall of the body. A semi-circular handle and a semi-circular connecting strap are fixedly connected to the lower end of the body. Multiple connecting strips are rotatably connected to the upper end of the cover, and a connecting rod corresponding to the connecting strips is fixedly connected to the lower end of the body. This utility model, through the design of the connecting strip and sealing groove, not only improves the sealing performance of the device but also enables convenient carrying or back carrying, effectively enhancing reliability and portability.

Description

Technical Field

[0001] This utility model relates to the field of testing instrument technology, and in particular to a portable intelligent grounding resistance tester. Background Technology

[0002] The intelligent grounding resistance tester is a high-precision instrument used to measure the grounding resistance of electrical equipment. Employing digital processing technology, it automatically eliminates environmental interference (such as stray currents and soil resistance fluctuations), displays the resistance value in real time, and stores the data. It features automatic calibration, low power consumption, and accidental contact protection. Supporting line resistance compensation and multi-range switching, it is suitable for grounding reliability testing in scenarios such as power systems, communication base stations, and construction sites, ensuring equipment grounding safety and preventing leakage accidents.

[0003] An existing utility model patent with application number CN202120209301.0 proposes an intelligent grounding resistance tester. To address the problem in existing intelligent grounding resistance testers where the testing grippers easily rub against the control box during transport, causing damage to the control buttons on the upper part of the control box and severely affecting the device's lifespan, the invention proposes a control unit installed at the lower end inside the main body box, which is fixedly connected to the main body box…;

[0004] Although the comparison document has the above advantages, it is not portable enough to carry around, and its waterproof performance is poor, so water can easily seep into the interior when it gets wet or gets wet. Utility Model Content

[0005] The purpose of this invention is to solve the problems mentioned in the background art and to provide a portable intelligent grounding resistance tester.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A portable intelligent grounding resistance tester includes a tester body and a cover. A square rubber pad is fixedly connected to the surface of the cover, and a square rubber ring is fixedly connected to the surface of the rubber pad. A sealing groove corresponding to the rubber ring is provided on the surface of the cover. A drain outlet corresponding to the sealing groove is provided on the outer wall of the body. A semi-circular handle is fixedly connected to the lower end of the body, and a semi-circular connecting strip is fixedly connected to the lower end of the body. Multiple connecting strips are rotatably connected to the upper end of the cover. A connecting rod corresponding to the connecting strips is fixedly connected to the lower end of the body. A slot corresponding to the connecting rod is provided on the outer wall of the connecting strip, and a groove corresponding to the slot is provided on the outer wall of the connecting rod.

[0008] Preferably, both ends of the connecting strap are fixedly fitted with fixing rings, and the upper end of the fixing ring is fixedly connected to the lower end of the box body.

[0009] Preferably, a sponge pad is fixedly connected to the side of the connecting strap facing the box body.

[0010] Preferably, a rubber sleeve is fixedly fitted onto the handle.

[0011] Preferably, a filter screen is fixedly embedded in the drain outlet.

[0012] Preferably, the connecting strip is made of nylon.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. This utility model effectively improves the sealing performance between the box body and the lid through the coordinated design of rubber pads, rubber strips, sealing grooves, drain outlets and filter screens, which can prevent water from seeping in and damaging the intelligent grounding resistance tester, and enhance the safety of the equipment; at the same time, it has an automatic water leakage function, which further ensures the safety of use.

[0015] 2. This utility model achieves both convenient hand-carrying of the tester and support for carrying on the back through an optimized combination of handle, rubber sleeve, connecting strap, fixing ring and sponge pad, significantly improving portability;

[0016] 3. By incorporating mechanisms such as connecting straps and sealing grooves, this utility model not only improves the sealing performance of the equipment but also enables convenient carrying or back carrying, effectively enhancing its reliability and portability. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a portable intelligent grounding resistance tester proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the box and lid of a portable intelligent grounding resistance tester proposed in this utility model after they are closed.

[0019] Figure 3 This is a partial side sectional view of the cover of a portable intelligent grounding resistance tester proposed in this utility model.

[0020] In the diagram: 1-box body, 2-box lid, 3-rubber pad, 4-rubber ring, 5-sealing groove, 6-drain outlet, 7-filter screen, 8-connecting strip, 9-connecting rod, 10-handle, 11-rubber sleeve, 12-connecting strap, 13-sponge pad, 14-fixing ring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figure 1-3 A portable intelligent grounding resistance tester includes an intelligent grounding resistance tester housing 1 and a housing cover 2. The intelligent grounding resistance tester housing 1 is installed inside the housing 1 and the housing cover 2. A square rubber gasket 3 is fixedly connected to the surface of the housing cover 2 to improve the sealing between the housing cover 2 and the housing 1. A square rubber ring 4 is fixedly connected to the surface of the rubber gasket 3 to cooperate with the sealing groove 5 to enhance the sealing effect. The surface of the housing cover 2 is provided with a sealing groove 5 corresponding to the rubber ring 4 to accommodate the rubber ring 4. A drain outlet 6 corresponding to the sealing groove 5 is provided on the outer side wall of the housing 1 to drain water. A filter screen 7 is fixedly embedded in the drain outlet 6 to block debris.

[0023] In this embodiment, a semi-circular handle 10 is fixedly connected to the lower end of the box body 1 for easy carrying of the box body 1 by the user. A rubber sleeve 11 is fixedly fitted onto the handle 10. A semi-circular connecting strap 12 is fixedly connected to the lower end of the box body 1 for easy carrying of the box body 1 by the user. The connecting strap 12 is made of nylon material to improve strength and durability. Fixing rings 14 are fixedly fitted onto both ends of the connecting strap 12 to support the connecting strap 12. The upper end of the fixing ring 14 is fixedly connected to the lower end of the box body 1. A sponge pad 13 is fixedly connected to the side of the connecting strap 12 facing the box body 1 to improve comfort.

[0024] In this embodiment, the upper end of the lid 2 is rotatably connected with multiple connecting strips 8, which are used to lock the lid 2 in conjunction with the connecting rod 9. The lower end of the box body 1 is fixedly connected with a connecting rod 9 corresponding to the connecting strip 8, which is used to support the connecting strip 8. The outer wall of the connecting strip 8 is provided with a slot corresponding to the connecting rod 9, which is used to accommodate the connecting rod 9. The outer wall of the connecting rod 9 is provided with a groove corresponding to the slot, which is used to lock the lid 2 in conjunction with the slot.

[0025] In this embodiment, the lid 2 is first closed to provide external protection for the intelligent grounding resistance tester inside the housing 1. When the lid 2 is fully closed, the rubber ring 4 extends into the sealing groove 5 to enhance the seal between the lid 2 and the housing 1; simultaneously, the side of the rubber pad 3 away from the lid 2 is tightly pressed against the housing 1 to further prevent water leakage. Even if water leakage occurs, the water can be discharged through the drain outlet 6 after entering the sealing groove 5, effectively improving safety. Finally, the connecting strip 8 is manually rotated to bring it close to the connecting rod 9, causing the connecting rod 9 to engage in the slot to secure the lid 2 and prevent accidental loosening. In addition, the handle 10 facilitates hand carrying of the tester, and with the connecting strap 12, it can also be carried on the back, significantly improving the portability of the device.

[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A portable intelligent grounding resistance tester, comprising an intelligent grounding resistance tester housing (1) and a housing cover (2), characterized in that: A square rubber pad (3) is fixedly connected to the surface of the lid (2), and a square rubber ring (4) is fixedly connected to the surface of the rubber pad (3). A sealing groove (5) corresponding to the rubber ring (4) is provided on the surface of the lid (2). A drain outlet (6) corresponding to the sealing groove (5) is provided on the outer wall of the box body (1). A semi-circular handle (10) is fixedly connected to the lower end of the box body (1). A semi-circular connecting strip (12) is fixedly connected to the lower end of the box body (1). Multiple connecting strips (8) are rotatably connected to the upper end of the lid (2). A connecting rod (9) corresponding to the connecting strip (8) is fixedly connected to the lower end of the box body (1). A slot corresponding to the connecting rod (9) is provided on the outer wall of the connecting strip (8). A groove corresponding to the slot is provided on the outer wall of the connecting rod (9).

2. The portable intelligent grounding resistance tester according to claim 1, characterized in that: Both ends of the connecting band (12) are fixedly sleeved with fixing rings (14), and the upper end of the fixing rings (14) is fixedly connected to the lower end of the box body (1).

3. The portable intelligent grounding resistance tester according to claim 1, characterized in that: The connecting strap (12) is fixedly connected to a sponge pad (13) on the side facing the box (1).

4. A portable intelligent grounding resistance tester according to claim 1, characterized in that: A rubber sleeve (11) is fixedly fitted onto the handle (10).

5. A portable intelligent grounding resistance tester according to claim 1, characterized in that: A filter screen (7) is fixedly embedded in the drain outlet (6).

6. A portable intelligent grounding resistance tester according to claim 1, characterized in that: The connecting strip (12) is made of nylon.

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