Anti-drop grounding wire group direct current resistance tester

Abstract

The utility model discloses an anti-drop grounding wire group DC resistance tester comprising a bottom shell, the top of the bottom shell is provided with a top shell, the bottom end of the inner wall of the bottom shell is fixedly connected with a first hollow plate, the top end of the inner wall of the top shell is fixedly connected with a second hollow plate, and each side of the inner walls of the bottom shell and the top shell is fixedly connected with a limiting plate. Limiting blocks are fixedly connected to corners of opposite surfaces of the first hollow plate and the second hollow plate; by arranging the bottom shell, the top shell, the first hollow plate and the second hollow plate, the tester body can be wrapped and protected, by arranging the rubber sleeve, the outer shell of the tester body can be protected, meanwhile, the good damping effect is achieved, and by arranging the rubber wrap angle, the tester body can be better protected. The stability of a connecting structure of the bottom shell, the top shell, the first hollow plate and the second hollow plate can be improved, and meanwhile, the anti-seismic effect after the device falls off is improved, so that the whole grounding wire group direct current resistance tester has the anti-falling characteristic.

Description

TECHNICAL FIELD

[0001] The utility model relates to power detection equipment technical field especially relates to a kind of anti-drop ground wire group DC resistance tester. BACKGROUND

[0002] Ground wire group DC resistance tester is a kind of special test equipment for measuring the DC resistance value between each ground wire in ground wire group, which can accurately detect the resistance value of each ground wire in ground wire group, ensure the safety and reliability of grounding system, and should be operated according to the instruction manual of the equipment when in use, to ensure the accuracy of test results and safe use of equipment.

[0003] The control panel of the common ground wire group DC resistance tester is directly exposed to the outside, and since there is no protective cover on the control panel, improper operation on the control panel when using the tester may cause the tester to start incorrectly and be damaged. Based on these problems, Chinese patent CN221100901U discloses a ground wire group DC resistance tester with a printer, which uses the cooperation of the protective fence, protective cover, upper connecting rod and lower connecting rod to make the protective cover hinged to the outside of the tester main body by the protective fence fixed to the outer surface of the tester main body, to facilitate the protection of the control panel on the tester main body and reduce misoperation, thereby reducing the damage caused by the start of the tester.

[0004] The protective cover in the ground wire group DC resistance tester can only protect the tester main body top display screen, printer and rotating knob, but the heat dissipation mechanism at the bottom of the tester lacks corresponding protective structure. When the ground wire group DC resistance tester is accidentally dropped to the ground, the heat dissipation mechanism is easily damaged, which not only affects the normal heat dissipation of the ground wire group DC resistance tester, but also reduces the safety of the ground wire group DC resistance tester during use. SUMMARY

[0005] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] The utility model provides an anti -falling type ground wire group DC resistance tester, including bottom shell, the top of bottom shell is installed with top shell, and the inner wall bottom of bottom shell is fixedly connected with first hollow board, and the inner wall top of top shell is fixedly connected with second hollow board, and the inner wall of bottom shell and top shell is fixedly connected with limiting board every side, and the opposite side corner of first hollow board and second hollow board is fixedly connected with limiting block, and the outer wall one end of limiting block and limiting block is all bushed with rubber cover, and the tester body is installed in bottom shell and top shell, and the outer wall of rubber cover is close to the outer wall of tester body, and the top center of tester body is fixedly connected with display, and one end of top of tester body is fixedly connected with a plurality of twist cover, and the other end of top of tester body is fixedly connected with a plurality of wire, and the top of wire is all fixedly connected with test rod, and the bottom corner of bottom shell and the top corner of top shell are all fixedly connected with rubber corner, and the top of first hollow board is installed with cover mechanism.

[0008] As a further description of the above technical solutions:

[0009] The inner wall of the second hollow plate is penetrated by a cannula, and the outer wall of the test rod is sleeved with the inner wall of the cannula.

[0010] As a further description of the above technical solutions:

[0011] The inner wall of the first hollow plate is fixedly connected with a bottom frame, the inner wall top of the bottom frame is fixedly connected with a dustproof ventilation net, the bottom corner of the bottom frame is fixedly connected with a threaded shaft, the outer wall top of the threaded shaft is sleeved with a support frame, the top outer edge of the support frame is fixedly connected with a rubber ring, the inner wall of the support frame is fixedly connected with a stainless steel mesh frame, and the outer wall bottom of the threaded shaft is threadedly connected with a support foot.

[0012] As a further description of the above technical solutions:

[0013] The outer wall bottom of the top shell is fixedly connected with a first frame, the outer wall of the first frame is fixedly connected with a sleeve frame, the outer wall top of the bottom shell is fixedly connected with a second frame, the outer wall of the second frame is fixedly connected with a rubber frame, and the inner wall bottom of the sleeve frame is sleeved with the outer wall of the rubber frame.

[0014] As a further description of the above technical solutions:

[0015] The bottom corner of the first frame is fixedly connected with a threaded plug rod, the outer wall of the threaded plug rod is vertically downwardly penetrated into the second frame, and the outer wall bottom of the threaded plug rod is threadedly connected with a threaded cover.

[0016] As a further description of the above technical solutions:

[0017] The cover mechanism comprises a sliding groove frame, sliding rods, sliding blocks, return springs, a sliding rail frame, a roller frame, shaft bodies, roller bodies and a cover body, the top of the second hollow plate is fixedly connected with the bottom of the sliding groove frame at both ends, sliding rods are fixedly connected with the inner walls of the front end and the rear end of the sliding groove frame, the outer walls of the sliding rods are slidably connected with the sliding blocks at one end, and the outer walls of the sliding rods are sleeved with the return springs at the other end.

[0018] As a further description of the above technical solutions:

[0019] The bottom of the inner wall of the sliding groove frame is penetrated through with the sliding rail frame, the bottom center of the sliding block is penetrated through with the roller frame, the inner walls of the roller frame are fixedly connected with the shaft bodies at both sides, the outer walls of the shaft bodies are rotatably connected with the roller bodies, the outer wall of the roller body is slidably connected with the inner wall of the sliding rail frame at one end, and the opposite surfaces of the two groups of sliding blocks are fixedly connected with the cover body.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] (1) The bottom shell, the top shell, the first hollow plate and the second hollow plate can be wrapped and protected, the rubber sleeve can protect the shell of the tester body and also has a good damping effect, the rubber corner cover can improve the stability of the connection structure of the bottom shell, the top shell, the first hollow plate and the second hollow plate, and also improve the anti-shock effect after the device falls, so that the whole grounding wire group DC resistance tester has the anti-falling characteristic.

[0022] (2) The cover mechanism can shield the square hole in the second hollow plate, and also protect the display, the twist cover, the wire and the test rod on the top surface of the tester body, when the palm of the staff removes the opened cover body, the return spring pushes the sliding block to quickly reset, and the cover body re-shields the square hole in the second hollow plate, the top center of the supporting leg is provided with a threaded hole, the outer wall of the threaded shaft is installed in the threaded hole at the top of the supporting leg, when the supporting leg is tightened, the top surface of the rubber ring is tightly attached to the bottom surface of the first hollow plate, and at the same time, the rubber ring is deformed, so that the supporting frame is more stable, the stainless steel mesh frame can protect the dustproof ventilation net, and the bottom surface of the supporting leg can be stably placed on the ground. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is one of the structural schematic views of the utility model;

[0024] Figure 2 It is the second structural schematic view of the utility model;

[0025] Figure 3 It is the front view of the utility model;

[0026] Figure 4 It is a front sectional view of the utility model;

[0027] Figure 5 It is a front sectional view of the cover mechanism in the utility model;

[0028] Figure 6 It is a back sectional view of the cover mechanism in the utility model.

[0029] The correspondence between the reference signs of the figures and the component names in the figures is as follows:

[0030] 1, bottom shell; 2, top shell; 3, first hollow plate; 4, second hollow plate; 5, limiting plate; 6, limiting block; 7, rubber sleeve; 8, tester body; 9, display; 10, twist cover; 11, wire; 12, test rod; 13, insertion pipe; 14, bottom frame; 15, dustproof ventilation net; 16, threaded shaft; 17, support frame; 18, rubber ring; 19, stainless steel net frame; 20, supporting leg; 21, first frame; 22, sleeve frame; 23, second frame; 24, rubber frame; 25, threaded insertion rod; 26, threaded cover; 27, rubber corner; 28, cover mechanism; 281, sliding groove frame; 282, sliding rod; 283, sliding block; 284, reset spring; 285, sliding rail frame; 286, roller frame; 287, shaft body; 288, roller body; 289, cover body. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings of the specification.

[0032] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0033] Secondly, the "one embodiment" or "embodiment" referred to here means that specific features, structures or characteristics can be included in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments. The utility model provides the following embodiments.

[0034] Reference Figures 1-6The utility model provides an embodiment: a kind of anti-falling ground wire group DC resistance tester, including bottom shell 1, the top of bottom shell 1 is equipped with top shell 2, the size of bottom shell 1 and top shell 2 are same, the top surface and bottom surface of bottom shell 1 and top shell 2 are equipped with opening, the inner wall bottom end of bottom shell 1 is fixedly connected with first hollow plate 3, the inner wall top end of top shell 2 is fixedly connected with second hollow plate 4, the size of first hollow plate 3 and second hollow plate 4 are same, square hole is set in first hollow plate 3 and second hollow plate 4 and is penetrated up and down, the side of the inner wall of bottom shell 1 and top shell 2 is fixedly connected with limiting plate 5, the edge corner of opposite surface of first hollow plate 3 and second hollow plate 4 is fixedly connected with limiting block 6, the outer wall one end of limiting plate 5 and limiting block 6 is all sleeved with rubber sleeve 7, and the installation of test instrument body 8 is installed in bottom shell 1 and top shell 2, by being provided with limiting plate 5, the installation of test instrument body 8 can be limited, by being provided with limiting block 6, test instrument body 8 and bottom shell 1, top shell 2, first hollow plate 3 and second hollow plate 4 can be left with gap, help normal heat dissipation of test instrument body 8, by being provided with rubber sleeve 7, the shell of test instrument body 8 can be protected, and also good shock attenuation effect is played, by the simple connection between rubber sleeve 7 and limiting plate 5, between rubber sleeve 7 and limiting block 6, the dismounting step of rubber sleeve 7 is more convenient and fast, by being provided with bottom shell 1, top shell 2, first hollow plate 3 and second hollow plate 4, test instrument body 8 can be wrapped and protected.

[0035] The top center of test instrument body 8 is fixedly connected with display 9, and one end of the top of test instrument body 8 is fixedly connected with a plurality of twist caps 10. By setting the twist caps 10, the test instrument body 8 can be operated. The other end of the top of test instrument body 8 is fixedly connected with a plurality of wires 11. The top end of the wire 11 is fixedly connected with a test rod 12. A tube 13 penetrates through one side of the inner wall of the second hollow plate 4. The outer wall of one end of the test rod 12 is sleeved with the inner wall of the tube 13.

[0036] The inner wall of the first hollow plate 3 is fixedly connected with a bottom frame 14, the inner wall top end of the bottom frame 14 is fixedly connected with a dustproof ventilation net 15, the dustproof ventilation net 15 is arranged, can play the role of ventilation and heat dissipation, the bottom corner of the bottom frame 14 is fixedly connected with a threaded shaft 16, the outer wall top end of the threaded shaft 16 is sleeved with a support frame 17, a plurality of groups of upper and lower through insertion holes are formed in the support frame 17, the outer wall of the threaded shaft 16 is vertically downward through the insertion hole in the support frame 17, the top outer edge of the support frame 17 is fixedly connected with a rubber ring 18, the inner wall of the support frame 17 is fixedly connected with a stainless steel mesh frame 19, the outer wall bottom end of the threaded shaft 16 is threadedly connected with a support foot 20, the top center of the support foot 20 is provided with a threaded hole, the outer wall of the threaded shaft 16 is installed in the threaded hole at the top of the support foot 20, when the support foot 20 is tightened, the top surface of the rubber ring 18 will be tightly attached to the bottom surface of the first hollow plate 3, and at the same time, deformation occurs, at this time, the support frame 17 can be more stable, the stainless steel mesh frame 19 is arranged, the dustproof ventilation net 15 can be protected, and the bottom surface of the support foot 20 can be stably placed on the ground.

[0037] The outer wall bottom end of the top shell 2 is fixedly connected with a first frame 21, the bottom surface of the top shell 2 and the bottom surface of the first frame 21 are arranged on the same horizontal plane, the outer wall of the first frame 21 is fixedly connected with a sleeve frame 22, the outer wall top end of the bottom shell 1 is fixedly connected with a second frame 23, the top surface of the second frame 23 and the top surface of the bottom shell 1 are arranged on the same horizontal plane, the outer wall of the second frame 23 is fixedly connected with a rubber frame 24, the inner wall bottom end of the sleeve frame 22 is sleeved with the outer wall of the rubber frame 24, the bottom corner of the first frame 21 is fixedly connected with a threaded insertion rod 25, a plurality of insertion holes are formed in the inner wall of the second frame 23, the outer wall of the threaded insertion rod 25 is vertically downward through the insertion hole in the second frame 23, the outer wall bottom end of the threaded insertion rod 25 is threadedly connected with a threaded cover 26, the connecting structure between the threaded cover 26 and the threaded insertion rod 25 is arranged, the second frame 23 and the first frame 21 can be fixed together, at the same time, the bottom shell 1 and the top shell 2 are also fixed together, the connecting structure between the sleeve frame 22 and the rubber frame 24 is arranged, the sealing property and stability of the connecting position of the bottom shell 1 and the top shell 2 can be improved, the bottom corner of the bottom shell 1 and the top corner of the top shell 2 are fixedly connected with a rubber corner 27, the stability of the connecting structure of the bottom shell 1, the top shell 2, the first hollow plate 3 and the second hollow plate 4 can be improved, and the anti-shock effect after the device falls is improved.

[0038] The top two ends of the second hollow plate 4 are fixedly connected with sliding groove frames 281, the opposite surfaces of the two groups of sliding groove frames 281 are provided with cavities, the inner walls of the sliding groove frames 281 are fixedly connected with sliding rods 282 at the front ends and the rear ends, the sliding rods 282 are installed in the cavities in the sliding groove frames 281, the outer walls of the sliding rods 282 are slidably connected with sliding blocks 283 at one end, the outer walls of the sliding blocks 283 can slide on the inner walls of the cavities in the sliding groove frames 281, the outer walls of the sliding rods 282 are sleeved with return springs 284 at the other end, the return springs 284 can push the sliding blocks 283, the bottom of the inner wall of the sliding groove frame 281 penetrates a sliding rail frame 285, the bottom center of the sliding block 283 penetrates a roller frame 286, the inner walls of the roller frame 286 are fixedly connected with shaft bodies 287 at the two sides, the outer walls of the shaft bodies 287 are rotatably connected with roller bodies 288, the outer walls of the roller bodies 288 are slidably connected with the inner wall of the sliding rail frame 285 at one end, the opposite surfaces of the two groups of sliding blocks 283 are fixedly connected with cover bodies 289, the sliding groove frames 281, the sliding rods 282, the sliding blocks 283, the return springs 284, the sliding rail frame 285, the roller frame 286, the shaft bodies 287, the roller bodies 288 and the cover bodies 289 can form a cover mechanism 28, the cover mechanism 28 can shield the square hole in the second hollow plate 4, and also protects the display 9, the cap 10, the wire 11 and the test rod 12 on the top surface of the tester body 8, when the palm of the staff who opens the cover body 289 moves away, the return spring 284 pushes the sliding block 283 to quickly reset, and the cover body 289 re-shields the square hole in the second hollow plate 4.

[0039] The above is a further detailed description of the utility model in combination with the specific implementation, and cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as belonging to the protection range determined by the claims of the utility model.

Claims

1. A fall-resistant grounding wire group DC resistance tester comprising a bottom shell (1), characterized in that: The top of the bottom shell (1) is provided with a top shell (2), the inner wall bottom end of the bottom shell (1) is fixedly connected with a first hollow plate (3), the inner wall top end of the top shell (2) is fixedly connected with a second hollow plate (4), the inner wall of the bottom shell (1) and the top shell (2) is fixedly connected with a limiting plate (5) on each side, the opposite side of the first hollow plate (3) and the second hollow plate (4) is fixedly connected with a limiting block (6), the outer wall of the limiting plate (5) and the limiting block (6) is sleeved with a rubber sleeve (7) at one end, the bottom shell (1) and the top shell (2) is provided with a tester body (8), the outer wall of the rubber sleeve (7) is closely attached to the outer wall of the tester body (8), the top center of the tester body (8) is fixedly connected with a display (9), a plurality of twist covers (10) are fixedly connected to one end of the top of the tester body (8), a plurality of wires (11) are fixedly connected to the other end of the top of the tester body (8), the top end of the wire (11) is fixedly connected with a test rod (12), the bottom corner of the bottom shell (1) and the top corner of the top shell (2) are fixedly connected with a rubber corner (27), the top of the first hollow plate (3) is provided with a cover mechanism (28).

2. The fall-resistant grounding wire set DC resistance tester according to claim 1, characterized in that: The inner wall of the second hollow plate (4) is penetrated by a cannula (13), and the outer wall of the test rod (12) is sleeved with the inner wall of the cannula (13).

3. The fall-resistant grounding wire set DC resistance tester according to claim 1, characterized in that: The inner wall of the first hollow plate (3) is fixedly connected with a bottom frame (14), the inner wall top end of the bottom frame (14) is fixedly connected with a dustproof ventilation net (15), the bottom corner of the bottom frame (14) is fixedly connected with a threaded shaft (16), the outer wall top end of the threaded shaft (16) is sleeved with a support frame (17), the top outer edge of the support frame (17) is fixedly connected with a rubber ring (18), the inner wall of the support frame (17) is fixedly connected with a stainless steel mesh frame (19), and the outer wall bottom end of the threaded shaft (16) is threadedly connected with a support foot (20).

4. The fall-resistant grounding line set DC resistance tester of claim 1, wherein: The outer wall bottom end of the top shell (2) is fixedly connected with a first frame (21), the outer wall of the first frame (21) is fixedly connected with a sleeve frame (22), the outer wall top end of the bottom shell (1) is fixedly connected with a second frame (23), the outer wall of the second frame (23) is fixedly connected with a rubber frame (24), and the inner wall bottom end of the sleeve frame (22) is sleeved with the outer wall of the rubber frame (24).

5. The fall-resistant grounding line set DC resistance tester of claim 4, wherein: The bottom corner of the first frame (21) is fixedly connected with a threaded plug rod (25), the outer wall of the threaded plug rod (25) is vertically downwardly penetrated into the second frame (23), and the outer wall bottom end of the threaded plug rod (25) is threadedly connected with a threaded cover (26).

6. The fall-resistant grounding line set DC resistance tester of claim 1, wherein: The cover mechanism (28) comprises a sliding groove frame (281), a sliding rod (282), a sliding block (283), a reset spring (284), a sliding rail frame (285), a roller frame (286), a shaft body (287), a roller body (288) and a cover body (289), both ends of the top of the second hollow plate (4) are fixedly connected with the bottom of the sliding groove frame (281), the inner wall front end and the rear end of the sliding groove frame (281) are fixedly connected with the sliding rod (282), and the outer wall one end of the sliding rod (282) is movably connected with the sliding block (283).

7. The fall-resistant grounding line set DC resistance tester of claim 6, wherein: The bottom of the inner wall of the sliding groove frame (281) penetrates the sliding rail frame (285), the bottom center of the sliding block (283) penetrates the roller frame (286), the inner wall sides of the roller frame (286) are fixedly connected with the shaft body (287), the outer wall of the shaft body (287) is rotatably connected with the roller body (288), the outer wall one end of the roller body (288) is movably connected with the sliding rail frame (285) inner wall, and the opposite faces of the two groups of sliding blocks (283) are fixedly connected with the cover body (289).

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