CN219957638U

CN219957638U - Ground resistance tester

Info

Publication number: CN219957638U
Application number: CN202320225404.5U
Authority: CN
Inventors: 陈逸波; 陈彩云; 陈建怀
Original assignee: Shenzhen Guoxun Communication Engineering Co ltd
Current assignee: Shenzhen Guoxun Communication Engineering Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-11-03
Anticipated expiration: 2033-02-01

Abstract

The utility model relates to the technical field of resistance testers and discloses a grounding resistance tester which comprises a tester body, wherein a limiting chute is formed in the lower side of the tester body, a wiring seat is arranged on one side of the inner wall of the limiting chute, a clamping groove is formed in one side of the limiting chute, a sliding frame is arranged in the limiting chute, and a grounding wire and a cable winding shaft are arranged in the sliding frame. Through the design, when the carriage slides to one side to the boundary, the connector lug is connected with the wire holder, pulls out the cable of the one end that will have ground probe in the joint seat afterwards, and winding shaft is reversely reeled out to the earth connection, can use, and this equipment sets up the wire holder inside the carriage, can prevent dust to make wire and tester body deposit together, convenient to use, the wiring is swift, and the reason line is simple, avoids the earth connection to take place the problem of knot.

Description

Ground resistance tester

Technical Field

The utility model relates to the technical field of resistance testers, in particular to a grounding resistance tester.

Background

In engineering construction, there are many buildings where lightning grounding devices are required to be installed, and many household appliances, especially such as refrigerators, washing machines, air conditioners and the like, must be grounded, which is a protective measure to prevent electric or electronic equipment from being struck by lightning, and lightning current generated by lightning is led to the ground through lightning rods, which is an effective means for protecting the safety of buildings and personnel. And (3) measuring the grounding resistance value of the grounding body in time after the underground part of the lightning protection grounding body is finished so as to detect whether the grounding resistance value meets the standard.

The Chinese patent discloses a grounding resistance tester (grant bulletin No. CN 209028137U), and the technology of the patent is characterized in that an upper box body and a lower box body are rotated to cover, a dust-proof plate is abutted against the outer periphery of a wiring hole, dust accumulation in the wiring hole is avoided, and the accuracy of the measurement result of the grounding resistance value is ensured. However, the existing ground resistance tester has two wires for testing, the wires are generally stored separately from the tester, the ground wires are required to be unwound and rolled up in the connection process, and then the connection is performed, so that the process is complicated and the ground wires are easy to wind together. Accordingly, a ground resistance tester is provided by those skilled in the art to solve the above-mentioned problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a grounding resistance tester for solving the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ground resistance tester, includes the tester body, spacing spout has been seted up to tester body downside, and the connection terminal is installed to spacing spout inner wall one side, spacing spout one side is provided with the draw-in groove, be provided with the carriage in the spacing spout, be provided with earth connection, cable winding axle in the carriage.

Preferably, the carriage is in sliding joint with the limiting chute, the limiting block is installed on one side of the carriage, a rebound clamping mechanism is arranged in the limiting block and is in clamping joint with the clamping groove, the rebound clamping mechanism is in abutting contact with the abutting mechanism, the rebound clamping mechanism is retracted into the limiting block when the abutting mechanism is pressed, and then the rebound clamping mechanism is separated from the clamping effect of the clamping groove in the abutting mechanism, so that the carriage can be moved.

Preferably, one end of the grounding wire is connected with a connector lug, the other end of the grounding wire is connected with a ground probe, the connector lug is fixedly arranged on the inner wall of one side of the sliding frame, a clamping seat is arranged in the sliding frame, and one end of the grounding wire with the ground probe is clamped with the clamping seat.

Preferably, a section of the grounding wire close to the connector lug is fixedly connected with the bottom of the cable winding shaft, the rest of the grounding wire is wound and connected with the cable winding shaft, the connector lug is electrically connected with the connector lug, the grounding wire with one end of the ground probe is pulled out of the clamping seat, and the grounding wire is reversely wound out of the cable winding shaft, so that the grounding wire and the ground probe can be used.

(III) beneficial effects

Compared with the prior art, the utility model provides a grounding resistance tester, which has the following beneficial effects:

through the design, spacing spout is seted up to tester body downside, and inside slip joint has the carriage, the carriage is fixed and gliding effect with rebound joint mechanism's cooperation in supporting pressing mechanism, the carriage slides to one side when the boundary, the connector lug is connected with the wire holder, will take out the cable of the one end that has ground probe in follow the joint seat afterwards, will the earth connection is backward wound out the cable winding axle, can use, this equipment sets up the wire holder inside the carriage, can prevent dust, and make wire and tester body deposit together, and convenient to use, the wiring is swift, and the reason line is simple, avoid the earth connection to take place the problem of knot.

Drawings

Fig. 1 is a schematic perspective view of a ground resistance tester according to an embodiment of the present utility model.

Fig. 2 is a schematic working diagram of a ground resistance tester according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a pressing mechanism in a ground resistance tester according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a rebound clamping mechanism in a ground resistance tester according to an embodiment of the present utility model.

Fig. 5 is a partial cross-sectional view of a ground resistance tester according to an embodiment of the present utility model.

In the figure: 1. a tester body; 2. limiting sliding grooves; 3. a wire holder; 4. a clamping groove; 5. a pressing mechanism; 6. a carriage; 7. a cable winding shaft; 8. a ground wire; 9. a connector lug; 10. a ground probe; 11. a clamping seat; 12. a limiting block; 13. and the rebound clamping mechanism.

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.

The utility model provides a technical scheme, please refer to fig. 1, 2 and 4, a grounding resistance tester, which comprises a tester body 1, wherein a limiting chute 2 is arranged on the lower side of the tester body 1, a wiring seat 3 is arranged on one side of the inner wall of the limiting chute 2, a clamping groove 4 is arranged on one side of the limiting chute 2, a sliding frame 6 is arranged in the limiting chute 2, a grounding wire 8 and a cable winding shaft 7 are arranged in the sliding frame 6, the sliding frame 6 is in sliding clamping connection with the limiting chute 2, a limiting block 12 is arranged on one side of the sliding frame 6, a rebound clamping mechanism 13 is arranged in the limiting block 12, the rebound clamping mechanism 13 is in clamping connection with the clamping groove 4, the rebound clamping mechanism 13 is in abutting contact with the abutting mechanism 5, when the abutting mechanism 5 is pressed, the rebound clamping mechanism 13 is retracted into the limiting block 12, and then the rebound clamping mechanism 13 is separated from the clamping effect of the clamping groove 4 in the abutting mechanism 5, and the sliding frame 6 can be moved;

referring to fig. 3, 4 and 5, one end of the grounding wire 8 is connected with a connector lug 9, the other end of the grounding wire 8 is connected with a ground probe 10, the connector lug 9 is fixedly mounted on one side inner wall of the sliding frame 6, a clamping seat 11 is mounted in the sliding frame 6, one end of the grounding wire 8 with the ground probe 10 is clamped with the clamping seat 11, one section of the grounding wire 8 close to the connector lug 9 is fixedly connected with the bottom of the cable winding shaft 7, the rest of the grounding wire 8 is wound and connected with the cable winding shaft 7, the connector lug 9 is electrically connected with the connector lug 3, the grounding wire 8 with one end of the ground probe 10 is pulled out from the clamping seat 11, and the grounding wire 8 is reversely wound around the cable winding shaft 7, so that the grounding wire 8 and the ground probe 10 can be used.

The working principle of the device is as follows: the bottom side of the tester body 1 is provided with a limiting chute 2, the inside of the tester body is in sliding connection with a sliding frame 6, one end of the sliding frame 6 is provided with a limiting block 12, a rebound clamping mechanism 13 in abutting contact with the abutting mechanism 5 is arranged in the limiting block 12, the sliding frame 6 can be fixed and slid under the cooperation of the abutting mechanism 5 and the rebound clamping mechanism 13, the rebound clamping mechanism 13 is retracted into the limiting block 12 when the abutting mechanism 5 is pressed, and then the rebound clamping mechanism 13 is separated from the clamping effect of the clamping groove 4 in the abutting mechanism 5, so that the sliding frame 6 can be moved;

when the sliding frame 6 slides to one side to the boundary, one end of the grounding wire 8 with the connector lug 9 is connected with the wire holder 3, then the grounding wire 8 with one end of the ground probe 10 is pulled out from the clamping holder 11, and the grounding wire 8 is reversely wound around the cable winding shaft 7, so that the cable winding device can be used;

the device sets up the connection terminal 3 inside carriage 6, can prevent dust to make earth connection 8 deposit with tester body 1 together, convenient to use, the wiring is swift, and the reason line is simple, avoids earth connection 8 to take place the problem of knot.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ground resistance tester, includes tester body (1), its characterized in that: limiting sliding grooves (2) are formed in the lower side of the tester body (1), wiring holders (3) are arranged on one side of the inner walls of the limiting sliding grooves (2), clamping grooves (4) are formed in one side of the limiting sliding grooves (2), sliding frames (6) are arranged in the limiting sliding grooves (2), and grounding wires (8) and cable winding shafts (7) are arranged in the sliding frames (6).

2. A ground resistance tester as claimed in claim 1, wherein: the sliding frame (6) is in sliding clamping connection with the limiting chute (2), and a limiting block (12) is arranged on one side of the sliding frame (6).

3. A ground resistance tester as claimed in claim 2, wherein: a rebound clamping mechanism (13) is arranged in the limiting block (12), the rebound clamping mechanism (13) is clamped with the clamping groove (4), and the rebound clamping mechanism (13) is in abutting contact with the abutting mechanism (5).

4. A ground resistance tester as claimed in claim 1, wherein: one end of the grounding wire (8) is connected with a connector lug (9), the other end of the grounding wire (8) is connected with a ground probe (10), and the connector lug (9) is fixedly arranged on one side inner wall of the sliding frame (6).

5. The ground resistance tester of claim 4, wherein: a clamping seat (11) is arranged in the sliding frame (6), and one end of the grounding wire (8) with the ground probe (10) is clamped with the clamping seat (11).

6. A ground resistance tester as claimed in claim 1, wherein: one section of the grounding wire (8) close to the connector lug (9) is fixedly connected with the bottom of the cable winding shaft (7), and the rest grounding wire (8) is connected with the cable winding shaft (7) in a winding way.

7. The ground resistance tester of claim 6, wherein: the connector lug (9) is electrically connected with the connector holder (3).