CN220271390U - Explosion-proof box of ground resistance meter - Google Patents
Explosion-proof box of ground resistance meter Download PDFInfo
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- CN220271390U CN220271390U CN202321743343.8U CN202321743343U CN220271390U CN 220271390 U CN220271390 U CN 220271390U CN 202321743343 U CN202321743343 U CN 202321743343U CN 220271390 U CN220271390 U CN 220271390U
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- explosion
- proof box
- resistance meter
- proof
- fixedly connected
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004880 explosion Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an explosion-proof box of a grounding resistance meter, which relates to the technical field of explosion-proof boxes and comprises an explosion-proof box body, wherein a grounding resistance meter shell is arranged in the explosion-proof box body, a box cover fixing mechanism is arranged outside the explosion-proof box body, and the box cover fixing mechanism comprises a U-shaped mounting rail fixedly connected to the outer surface of the explosion-proof box body. According to the utility model, through the arrangement of the explosion-proof box body, the box cover fixing mechanism and the grounding resistance meter shell, the explosion-proof box cover can be stably fixed in a mode of inserting the explosion-proof box cover into the U-shaped mounting rail, so that the phenomena of sliding wires and wire disorder easily caused by the fact that the existing explosion-proof box is screwed with bolts for a plurality of times after the explosion-proof box cover is fixed with the explosion-proof box cover through bolts are avoided, the explosion-proof box cover is ensured to be stably mounted on the explosion-proof box body after being opened and closed for a plurality of times, and the explosion-proof box body and the explosion-proof box cover can play a good explosion-proof role on the grounding resistance meter shell and internal components thereof.
Description
Technical Field
The utility model relates to the technical field of explosion-proof boxes, in particular to an explosion-proof box of a grounding resistance meter.
Background
The grounding resistance meter is mainly used for measuring the grounding resistance of an electrical equipment grounding device and a lightning arrester, and is also called a grounding resistance tester. Because the appearance is similar to the megger (insulating resistance meter), and is also commonly called as a grounding megger, the grounding resistance meter is sometimes required to be installed in an explosion-proof box for use in order to ensure personal and property safety and prevent fire and explosion accidents.
When the prior grounding resistance meter explosion-proof box is used, after the grounding resistance meter is installed in the explosion-proof box, the box cover is mostly fixed on the explosion-proof box through bolts, the grounding resistance meter needs to be overhauled and maintained regularly, the explosion-proof box is required to be disassembled and the grounding resistance meter is overhauled and maintained at the moment, the bolt is fixed on the box cover, when the bolt is screwed for many times, the phenomenon of sliding wires and messy wires can be caused between a screw hole on the explosion-proof box and the bolt, the bolt is loosened, the box cover cannot be installed tightly, and therefore a good explosion-proof effect cannot be achieved. Thus, a ground resistance meter explosion proof box is proposed herein.
Disclosure of Invention
Technical problem to be solved
The utility model aims to make up the defects of the prior art and provides an explosion-proof box of a grounding resistance meter.
Technical proposal
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ground resistance meter explosion-proof box, includes the explosion-proof box, the internally mounted of explosion-proof box has the ground resistance meter casing, the outside of explosion-proof box is provided with case lid fixed establishment, case lid fixed establishment includes the U type mounting rail of fixed connection at explosion-proof box external surface, the inner wall sliding connection of U type mounting rail has the explosion-proof case lid, the upper surface fixedly connected with sealing block of explosion-proof case lid, the upper surface fixedly connected with spacing seat of sealing block, the upper surface fixedly connected with guide holder of explosion-proof box, the inner wall sliding connection of guide holder has the limiting plate, limiting plate and spacing seat looks adaptation, the inside of explosion-proof box is provided with instrument fixed establishment.
Above-mentioned, limiting plate keeps away from a side fixedly connected with operation panel of spacing seat, an operation panel is close to two anticreep springs of a side fixedly connected with of limiting plate, two an equal fixed connection in the surface of guide holder of side that the operation panel was kept away from to the anticreep spring, and the setting of anticreep spring can avoid the limiting plate to follow the spacing seat and not break away from by the people.
Above-mentioned, instrument fixed establishment includes the grip block, grip block and ground resistance watchcase looks adaptation, the bottom surface of grip block is provided with the slipmat, makes the grip block can stabilize to press and fix to the ground resistance watchcase.
Above-mentioned, the upper surface fixedly connected with two screwed pipes of grip block, two equal threaded connection of inner wall of screwed pipe has the threaded rod, two the equal swivelling joint in the inner wall of explosion-proof box in top of threaded rod, can drive the screwed pipe and reciprocate when the threaded rod rotates.
Above-mentioned, two the surface of threaded rod is all fixedly connected with belt pulley, and two the belt pulley passes through belt transmission and connects, can make two threaded rods rotate in step under the transmission effect of two belt pulleys and belt.
Above-mentioned, the top of explosion-proof box is provided with circular handle, two among the threaded rod be close to the top of the threaded rod of circular handle and run through explosion-proof box and extend to the top of explosion-proof box, two among the threaded rod be close to the top fixed connection of the threaded rod of circular handle at the surface of circular handle, be provided with anti-skidding line on the circular handle, can comparatively easily rotate the threaded rod simultaneously through rotating the circular handle.
The beneficial effects are that:
compared with the prior art, the grounding resistance meter explosion-proof box has the following beneficial effects:
1. according to the utility model, through the arrangement of the explosion-proof box body, the box cover fixing mechanism and the grounding resistance meter shell, the explosion-proof box cover can be stably fixed in a mode of inserting the explosion-proof box cover into the U-shaped mounting rail, so that the phenomena of sliding wires and wire disorder easily caused by the fact that the existing explosion-proof box is screwed with bolts for a plurality of times after the explosion-proof box cover is fixed with the explosion-proof box cover through bolts are avoided, the explosion-proof box cover is ensured to be stably mounted on the explosion-proof box body after being opened and closed for a plurality of times, and the explosion-proof box body and the explosion-proof box cover can play a good explosion-proof role on the grounding resistance meter shell and internal components thereof.
2. According to the utility model, through the arrangement of the instrument fixing mechanism, after the grounding resistance meter shell is placed in the explosion-proof box body, the round handle is rotated, so that the threaded rod close to the round handle in the two threaded rods rotates, under the transmission action of the two belt pulleys and the belt, the two threaded rods synchronously rotate, and the two threaded pipes and the clamping plate are driven to move downwards, so that the clamping plate is in close contact with the grounding resistance meter shell, and the fixation of the grounding resistance meter shell is completed.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the split structure of the U-shaped mounting rail and the explosion-proof box cover of the utility model;
FIG. 3 is a schematic diagram of a split structure of a limiting seat and a limiting plate according to the present utility model;
fig. 4 is a schematic perspective view of the clamping plate and threaded rod of the present utility model.
In the figure:
1. an explosion-proof box body;
2. a case cover fixing mechanism; 21. u-shaped mounting rails; 22. an explosion-proof box cover; 23. a sealing block; 24. a limit seat; 25. a guide seat; 26. a limiting plate; 27. an operation panel; 28. an anti-drop spring;
3. an instrument fixing mechanism; 31. a clamping plate; 32. a threaded tube; 33. a threaded rod; 34. a belt pulley; 35. a circular handle;
4. a ground resistance meter housing.
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.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a ground resistance meter explosion-proof case, includes explosion-proof case 1, the internally mounted of explosion-proof case 1 has ground resistance meter casing 4, and the inside of ground resistance meter casing 4 is provided with the measurement subassembly, and ground resistance meter casing 4 and internal component thereof belong to prior art, and do not do further limit the model in this application, and ground resistance meter casing 4 and internal component thereof do not belong to the main innovation direction of the utility model, therefore do not show in the figure that the details of ground resistance meter casing 4 internal component are specific.
Referring to fig. 2 and 3, the cover fixing mechanism 2 is disposed outside the explosion-proof box 1, the cover fixing mechanism 2 includes a U-shaped mounting rail 21 fixedly connected to the outer surface of the explosion-proof box 1, a sealing gasket is disposed on an inner wall of the U-shaped mounting rail 21, tightness of the explosion-proof box cover 22 after being mounted is ensured, the explosion-proof box cover 22 is slidably connected to an inner wall of the U-shaped mounting rail 21, and an explosion-proof glass window is disposed on the explosion-proof box cover 22, so that a measured value on the grounding resistance meter housing 4 is conveniently observed from the outside.
The upper surface fixedly connected with sealing block 23 of explosion-proof case lid 22 is provided with the pulling handle on the sealing block 23, is convenient for remove sealing block 23, the upper surface fixedly connected with spacing seat 24 of sealing block 23, the upper surface fixedly connected with guide holder 25 of explosion-proof case 1, the inner wall sliding connection of guide holder 25 has limiting plate 26, limiting plate 26 and spacing seat 24 looks adaptation can carry out spacingly to explosion-proof case lid 22 and sealing block 23 when limiting plate 26 inserts to spacing seat 24 inside.
The limiting plate 26 is kept away from a side fixedly connected with operation plate 27 of limiting seat 24, an operation plate 27 is close to a side fixedly connected with two anticreep springs 28 of limiting plate 26, two an equal fixed connection of side that the operation plate 27 was kept away from to anticreep springs 28 is at the surface of guide holder 25, and anticreep springs 28 are slight tensile state when limiting plate 26 inserts in limiting seat 24, and the setting of anticreep springs 28 can avoid limiting plate 26 to break away from non-artificially in the limiting seat 24.
Referring to fig. 2 and 4, an instrument fixing mechanism 3 is disposed in the explosion-proof case 1, the instrument fixing mechanism 3 includes a clamping plate 31, the clamping plate 31 is adapted to the grounding resistance meter housing 4, and an anti-slip pad is disposed on a bottom surface of the clamping plate 31, so that the clamping plate 31 can stably press and fix the grounding resistance meter housing 4.
The upper surface fixedly connected with two screwed pipes 32 of grip block 31, two the equal threaded connection of inner wall of screwed pipe 32 has threaded rod 33, two the equal rotation in the inner wall of explosion-proof box 1 of top of threaded rod 33 is connected, can drive screwed pipe 32 and reciprocate when threaded rod 33 rotates.
The outer surfaces of the two threaded rods 33 are fixedly connected with belt pulleys 34, the two belt pulleys 34 are connected through belt transmission, and the two threaded rods 33 can synchronously rotate under the transmission action of the two belt pulleys 34 and the belt.
The top of explosion-proof box 1 is provided with circular handle 35, two among the threaded rod 33 the top of the threaded rod 33 that is close to circular handle 35 runs through explosion-proof box 1 and extends to the top of explosion-proof box 1, two among the threaded rod 33 the top fixed connection of the threaded rod 33 that is close to circular handle 35 is at the surface of circular handle 35, is provided with the anti-skidding line on the circular handle 35, avoids operating personnel to rotate the round handle 35 and drops when the hand, can comparatively easily rotate threaded rod 33 through rotating circular handle 35 simultaneously.
Working principle: when the explosion-proof box cover 22 is used, after the grounding resistance meter shell 4 is installed in the explosion-proof box body 1, the operation plate 27 is pulled towards the direction away from the guide seat 25, the limiting plate 26 is completely positioned right above the explosion-proof box body 1, the anti-falling spring 28 is stretched at the moment, the explosion-proof box cover 22 is completely inserted into the U-shaped installation rail 21, the limiting plate 26 is aligned with the limiting seat 24 at the moment, the operation plate 27 is loosened, the limiting plate 26 is pushed to be inserted into the limiting seat 24 under the elastic action of the stretched anti-falling spring 28, so that the installation and fixation of the explosion-proof box cover 22 and the sealing block 23 are completed.
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 (6)
1. The utility model provides an explosion-proof case of ground resistance meter, includes explosion-proof box (1), its characterized in that: the utility model discloses an explosion-proof box, including explosion-proof box (1) and meter housing, internally mounted of explosion-proof box (1) has ground resistance meter casing (4), the outside of explosion-proof box (1) is provided with case lid fixed establishment (2), case lid fixed establishment (2) are including U type mounting rail (21) of fixed connection at explosion-proof box (1) surface, the inner wall sliding connection of U type mounting rail (21) has explosion-proof case lid (22), the upper surface fixedly connected with sealing block (23) of explosion-proof case lid (22), the upper surface fixedly connected with spacing seat (24) of sealing block (23), the upper surface fixedly connected with guide holder (25) of explosion-proof box (1), the inner wall sliding connection of guide holder (25) has limiting plate (26), limiting plate (26) and spacing seat (24) looks adaptation, the inside of explosion-proof box (1) is provided with instrument fixed establishment (3).
2. The ground resistance meter explosion proof box of claim 1, wherein: an operation plate (27) is fixedly connected to one side surface, away from the limiting seat (24), of the limiting plate (26), two anti-falling springs (28) are fixedly connected to one side surface, close to the limiting plate (26), of the operation plate (27), and one side surface, away from the operation plate (27), of the two anti-falling springs (28) is fixedly connected to the outer surface of the guide seat (25).
3. The ground resistance meter explosion proof box of claim 1, wherein: the instrument fixing mechanism (3) comprises a clamping plate (31), and the clamping plate (31) is matched with the grounding resistance meter shell (4).
4. A ground resistance meter explosion proof box according to claim 3, wherein: the upper surface fixedly connected with two screwed pipes (32) of grip block (31), two equal threaded connection of inner wall of screwed pipe (32) has threaded rod (33), two the top of threaded rod (33) is all rotated and is connected at the inner wall of explosion-proof box (1).
5. The explosion-proof box of a grounding resistance meter according to claim 4, wherein: the outer surfaces of the two threaded rods (33) are fixedly connected with belt pulleys (34), and the two belt pulleys (34) are connected through belt transmission.
6. The explosion-proof box of a grounding resistance meter according to claim 4, wherein: the top of explosion-proof box (1) is provided with circular handle (35), two the top of the threaded rod (33) that is close to circular handle (35) in threaded rod (33) runs through explosion-proof box (1) and extends to the top of explosion-proof box (1), two the top fixed connection of the threaded rod (33) that is close to circular handle (35) in threaded rod (33) is at the surface of circular handle (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743343.8U CN220271390U (en) | 2023-07-04 | 2023-07-04 | Explosion-proof box of ground resistance meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743343.8U CN220271390U (en) | 2023-07-04 | 2023-07-04 | Explosion-proof box of ground resistance meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220271390U true CN220271390U (en) | 2023-12-29 |
Family
ID=89306172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321743343.8U Active CN220271390U (en) | 2023-07-04 | 2023-07-04 | Explosion-proof box of ground resistance meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220271390U (en) |
-
2023
- 2023-07-04 CN CN202321743343.8U patent/CN220271390U/en active Active
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