CN215267084U - External grounding device of distribution box and distribution box - Google Patents
External grounding device of distribution box and distribution box Download PDFInfo
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- CN215267084U CN215267084U CN202023018278.1U CN202023018278U CN215267084U CN 215267084 U CN215267084 U CN 215267084U CN 202023018278 U CN202023018278 U CN 202023018278U CN 215267084 U CN215267084 U CN 215267084U
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- distribution box
- copper bar
- electrical box
- external grounding
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Abstract
The utility model provides an outside earthing device of block terminal, include: the copper bar riveting device comprises a device body, a copper bar and a riveting nut, wherein the copper bar is fixed on the device body; round holes are formed in the corresponding positions of the device body and the copper bar; the riveting nut sequentially penetrates through the device body and the round holes in the copper bar and is tensioned on the device body; the utility model discloses a distribution box external grounding device utilizes the device body of U type groove structure as the middleware, fixes the copper bar on the device body in advance, when using, through the welding of device body and distribution box, on the one hand, effectively reduced the welding area; on the other hand, the difficulty of direct welding of the copper bar and the distribution box is solved; the installation of the grounding device outside the distribution box is facilitated; scheme passes through U type groove structure middleware and distribution box welded mode, has avoided effectively protecting distribution box's protection level through the harm of bolt perforation mode to distribution box.
Description
Technical Field
The utility model relates to an electric power temperature measurement equipment technical field especially relates to an outside earthing device of block terminal and block terminal.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In a transformer and distribution system, an artificial grounding electrode is often arranged so that the grounding of a distribution box cabinet is connected with the artificial grounding electrode, thereby protecting the personal safety.
The inventor finds that the external grounding mode of the existing distribution box mainly comprises the following two modes:
(1) the grounding copper bar is fixed on the solid through the bolt, and the method needs to arrange a screw hole on the cabinet body, so that the protection grade of the shell of the cabinet body can be influenced;
(2) with the copper bar beading on the cabinet body, because the welding of copper bar and stainless steel relies on special technology, the welding is complicated, need distribute to the mill that can realize copper bar and stainless steel welding process specially and go to the welding, and because cabinet body size and quality are great, it removes or welds inconveniently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the prior art, provide a block terminal outside earthing device, through the problem of block terminal outside ground connection configuration difficulty has effectively been solved to the device.
In order to solve the above problem, the utility model adopts the following technical scheme:
an external grounding device of a distribution box comprises a device body, a copper bar and a rivet nut, wherein the copper bar is fixed on the device body; round holes are formed in the corresponding positions of the device body and the copper bar; the riveting nut sequentially penetrates through the device body and the round holes in the copper bar and is tightened on the device body.
Furthermore, the device body is of a U-shaped groove structure.
Further, the copper bar is fixed on the device body in a welding mode.
Further, the copper bar is welded on the outer side of the device body.
Furthermore, the outer diameter of the rivet nut is matched with the diameter of the round hole.
Further, the rivet nut is connected with a bolt matched with the inner diameter of the rivet nut.
Furthermore, the device body, the riveting nut and the bolt are made of stainless steel materials.
A distribution box comprises the distribution box external grounding device.
Further, the electric box external grounding device is welded on the side surface of the electric box.
Further, the grounding electrode outside the distribution box is connected with the bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a distribution box external grounding device utilizes the device body of U type groove structure as the middleware, fixes the copper bar on the device body in advance, when using, through the welding of device body and distribution box, on the one hand, effectively reduced the welding area; on the other hand, the difficulty of direct welding of the copper bar and the distribution box is solved; the installation of the external grounding device of the distribution box is facilitated.
(2) Scheme passes through U type groove structure middleware and distribution box welded mode, has avoided effectively protecting distribution box's protection level through the harm of bolt perforation mode to distribution box.
Drawings
The accompanying drawings, which form a part of the specification, are provided to provide a further understanding of the invention, and are included to explain the illustrative embodiments and the description of the invention, and not to constitute a limitation of the invention.
Fig. 1 is a front view of a structure of an external grounding device of a distribution box according to a first embodiment of the present invention;
fig. 2 is a schematic outside structural view of the external grounding device of the distribution box according to the first embodiment of the present invention;
fig. 3 is a schematic view of an inner side structure of the external grounding device of the distribution box according to the first embodiment of the present invention;
fig. 4 is a side view of the structure of the external grounding device of the distribution box according to the first embodiment of the present invention;
fig. 5 is a block terminal provided with the external grounding device of the block terminal according to the first embodiment of the present invention.
Wherein, 1, the device body; 2. copper bars; 3. and riveting the nut.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings and specific embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
The first embodiment is as follows:
the purpose of this embodiment is to provide a block terminal external grounding device.
An external grounding device of a distribution box comprises a device body, a copper bar and a rivet nut, wherein the copper bar is fixed on the device body; round holes are formed in the corresponding positions of the device body and the copper bar; the riveting nut sequentially penetrates through the device body and the round holes in the copper bar and is tightened on the device body.
Specifically, as shown in fig. 1, the device comprises a device body 1, a copper bar 2 and a rivet nut 3; the device body 1, the rivet nut 3 and the grounding bolt are all made of stainless steel materials, so that the device body cannot easily rust and deform due to wind, sunshine and rain even if placed in the open air; when the grounding device is manufactured, firstly, 40mm by 4mm copper bars are welded on a body of the device, then, stainless steel rivet nuts 3 are tensioned on the device body 1, and finally, the grounding device outside the distribution box is welded on the side surface of the distribution box cabinet; the grounding copper bar is made of 40 mm-4 mm copper materials, so that the contact area is large, the conductivity is good, and the expected grounding effect can be achieved; on the installation site of the power distribution cabinet, an external grounding electrode is connected with the grounding device through a lead by two M10 stainless steel bolts, so that the grounding effect can be achieved.
Furthermore, the outer diameter of the rivet nut is matched with the diameter of the round hole, and the rivet nut is connected with a bolt matched with the inner diameter of the rivet nut.
Example two:
the purpose of this embodiment is to provide a block terminal.
A distribution box comprises the distribution box external grounding device.
Further, the electric box external grounding device is welded on the side surface of the electric box.
Further, the grounding electrode outside the distribution box is connected with the bolt.
The utility model discloses a distribution box external grounding device utilizes the device body of U type groove structure as the middleware, fixes the copper bar on the device body in advance, when using, through the welding of device body and distribution box, on the one hand, effectively reduced the welding area; on the other hand, the difficulty of direct welding of the copper bar and the distribution box is solved; the installation of the grounding device outside the distribution box is facilitated; and simultaneously the scheme passes through U type groove structure middleware and distribution box welded mode, has avoided effectively protecting distribution box's protection level through the harm of bolt perforation mode to distribution box.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. The utility model provides an outside earthing device of block terminal which characterized in that includes: the copper bar riveting device comprises a device body, a copper bar and a riveting nut, wherein the copper bar is fixed on the device body; round holes are formed in the corresponding positions of the device body and the copper bar; the riveting nut sequentially penetrates through the device body and the round holes in the copper bar and is tightened on the device body.
2. The electrical box external grounding assembly of claim 1, wherein said assembly body is a U-shaped channel structure.
3. The external grounding device for electric distribution boxes of claim 2, wherein said copper bar is fixed to said device body by welding.
4. The electrical box external grounding device of claim 3, wherein said copper bars are welded to the outside of said device body.
5. The electrical box external grounding assembly of claim 1, wherein said rivet nut has an outer diameter corresponding to a diameter of said circular aperture.
6. The electrical box external grounding assembly of claim 1, wherein said rivet nut has a bolt attached to it that matches its inner diameter.
7. The external grounding device for electric distribution boxes of claim 6, wherein said device body, rivet nut and bolt are made of stainless steel.
8. An electrical box comprising an electrical box external grounding device according to any one of claims 1 to 7.
9. The electrical box of claim 8, wherein said electrical box external grounding assembly is welded to a side of said electrical box.
10. The electrical box of claim 8, wherein the grounding electrode on the exterior of the electrical box is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023018278.1U CN215267084U (en) | 2020-12-15 | 2020-12-15 | External grounding device of distribution box and distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023018278.1U CN215267084U (en) | 2020-12-15 | 2020-12-15 | External grounding device of distribution box and distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215267084U true CN215267084U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023018278.1U Active CN215267084U (en) | 2020-12-15 | 2020-12-15 | External grounding device of distribution box and distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215267084U (en) |
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2020
- 2020-12-15 CN CN202023018278.1U patent/CN215267084U/en active Active
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