CN211428362U

CN211428362U - Electrical engineering earthing device

Info

Publication number: CN211428362U
Application number: CN202020320994.6U
Authority: CN
Inventors: 李金龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-09-04
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses an electrical engineering earthing device, including special-shaped nut, special-shaped nut border department is connected with the bolt, threaded connection has the steel sheet under the bolt, surface threaded connection has the plug wire groove on the steel sheet, special-shaped nut middle part is connected with the connecting rod, connecting rod upper end fixedly connected with handle, the welding has first spring under the special-shaped nut, first spring embeds there is the connecting rod, one section fixedly connected with casing of special-shaped nut is kept away from to first spring, the casing middle part is arranged in to the connecting rod, the bayonet socket is left to the connecting rod lower extreme, leave the cavity in the casing, the outer fixedly connected with support in border of casing, support upper end fixedly connected with recess, support lower extreme fixedly connected with drill bit. The utility model discloses adopt spring button to press down to connect in the installation of electric wire between electrical engineering earthing device, make protruding mode that links to each other along the recess on the stand on the steel sheet, compare ordinary welding mode convenient more high-efficient.

Description

Electrical engineering earthing device

Technical Field

The utility model relates to a building engineering technical field especially relates to an electrical engineering earthing device.

Background

Along with the continuous upgrading of modern society building level, electrical engineering earthing device is indispensable as the important instrument in the building field, and current electrical engineering earthing device is mostly synthesized earthing device, and it includes work ground connection, protection ground connection, and protection ground connection divide into power protection ground connection, computer protection ground connection, communication protection ground connection, building lightning protection ground connection.

However, most of the existing electrical engineering grounding devices can only be connected with one plug wire slot, and the installation mode is complex, so that the quick installation is not easy to realize.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art but current electrical engineering earthing device majority can only connect a plug wire groove, and the mounting means is comparatively complicated, is difficult for realizing the problem of quick installation, and the electrical engineering earthing device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrical engineering grounding device comprises a special-shaped nut, wherein a bolt is connected at the edge of the special-shaped nut, a steel sheet is in threaded connection with the lower portion of the bolt, a slot is in threaded connection with the upper surface of the steel sheet, a convex edge is fixedly connected with the lower surface of the steel sheet, a connecting rod is connected with the middle portion of the special-shaped nut, a handle is fixedly connected with the upper end of the connecting rod, a first spring is welded on the lower surface of the special-shaped nut, a connecting rod is arranged in the first spring, a section of the first spring, which is far away from the special-shaped nut, is fixedly connected with a shell, the connecting rod is arranged in the middle portion of the shell, a bayonet is reserved at the lower end of the connecting rod, a cavity is reserved in the shell, a second spring is fixedly connected with the inner wall of the cavity, a lug, the casing outside is along fixedly connected with support, support upper end fixed connection has the recess, support lower extreme fixedly connected with drill bit.

Preferably, the handle is circular in shape.

Preferably, the steel sheet, the position on protruding edge are under the plug wire groove, just above the recess, the internal surface in plug wire groove is provided with the internal thread.

Preferably, the convex edge is cylindrical in shape at the upper part and hemispherical in shape at the lower part.

Preferably, the shape of the groove is an inverted hemisphere and the shape of the groove is matched with that of the convex edge.

Preferably, the number of the inserting groove, the convex edge, the groove, the bracket, the drill bit, the bayonet, the bump, the sliding strip, the sliding rail and the second spring is three.

Preferably, the section of the steel sheet is hexagonal.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses connect the plug wire groove of three not unidimensional on electrical engineering earthing device's connection, the specification of plug wire groove is different for traditional electrical engineering positioner relatively, and is stronger to the holding nature of not unidimensional electric wire.

2. The utility model discloses adopt spring button to press down in the installation between electric wire and the electrical engineering earthing device and be connected, make protruding mode that links to each other along the recess on the stand on the steel sheet, compare ordinary welding mode convenient more high-efficient.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an electrical engineering grounding device provided by the present invention;

fig. 2 is a top view of the grounding device for electrical engineering according to the present invention.

In the figure: the special-shaped bolt comprises a handle 1, a connecting rod 2, a special-shaped nut 3, a bolt 4, a slot 5, a steel sheet 6, a convex edge 7, a groove 8, a bracket 9, a drill bit 10, a first spring 11, a bayonet 12, a convex block 13, a slide bar 14, a slide rail 15, a second spring 16, a cavity 17 and a shell 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, the electrical engineering grounding device comprises a special-shaped nut 3, wherein the edge of the special-shaped nut 3 is in threaded connection with a steel sheet 6 through a bolt 4, the upper surface of the steel sheet 6 is in threaded connection with a plug wire slot 5, the inner surface of the plug wire slot 5 is provided with internal threads, and the lower surface of the steel sheet 6 is fixedly connected with a convex edge 7.

Furthermore, the positions of the steel sheet 6 and the convex edge 7 are both right below the slot 5 and right above the groove 8. The convex edge 7 is cylindrical in shape at the upper part and hemispherical at the lower part. The shape of the groove 8 is of an inverted hemispherical shape and is matched with the shape of the convex edge 7.

Referring to fig. 2, the section of the steel sheet 6 is hexagonal, on the one hand for stability when the device is placed and on the other hand for different interfaces of the device to cope with different wire specifications.

The middle part of the special-shaped nut 3 is connected with a connecting rod 2, and the upper end of the connecting rod 2 is fixedly connected with a handle 1.

Referring to fig. 2, the handle 1 is, in particular, circular in shape.

The lower surface of the special-shaped nut 3 is welded with a first spring 11, a connecting rod 2 is arranged in the first spring 11, one section of fixedly connected shell 18 of the special-shaped nut 3 is far away from the first spring 11, the connecting rod 2 is arranged in the middle of the shell 18, a bayonet 12 is reserved at the lower end of the connecting rod 2, a cavity 17 is reserved in the shell 18, and a second spring 16 is fixedly connected to the inner wall of the cavity 17.

It is worth mentioning that the diameter of the second spring 16 is smaller than the diameter of the first spring 11.

One end fixedly connected with lug 13 that cavity 17 inner wall was kept away from to second spring 16, lug 13 upper book fixedly connected with draw runner 14, draw runner 14 run through in on slide rail 15, slide rail 15 fixed connection is at cavity 17 inner wall, 18 outer edges of casing fixedly connected with support 9, support 9 upper end fixedly connected with recess 8, support 9 lower extreme fixedly connected with drill bit 10.

Particularly, the number of the inserting wire groove 5, the convex edge 7, the groove 8, the bracket 9, the drill 10, the bayonet 12, the bump 13, the slide bar 14, the slide rail 15 and the second spring 16 is three.

The working principle is as follows:

and (3) inserting a drill bit 10 connected to the upright post 9 downwards into the soil layer to a required depth, and enabling the electric wire with the external thread interface to face the plug wire groove 5 to rotate along the direction of the internal thread arranged on the inner surface of the plug wire groove 5 to tighten the electric wire. Connecting steel sheets 6 connected with electric wires of different specifications to a special-shaped nut 3 by a bolt 4 in a threaded connection mode, pressing down a handle 1, wherein the lower end of the handle 1 is fixedly connected with a connecting rod 2, the special-shaped nut 3 is also connected to the connecting rod 2, the special-shaped nut 3 also moves downwards when the handle 1 is pressed down until a convex edge 7 is completely matched with a groove 8, a concave block 13 is reserved on the connecting rod 2, a sliding strip 14 is arranged on the convex block 13, a second spring 16 is fixedly connected to one end, far away from the connecting rod 2, of the convex block 13, the convex block 13 moves forwards along the sliding strip 15 under the elastic action of the second spring 16 and is clamped in a notch 12 on the connecting rod 2 which moves downwards, so that the connecting rod 12 cannot move upwards, and connection of the convex edge 7 and the groove 8. Similarly, when the handle 1 is pressed again, the protrusion 13 moves in a direction away from the connecting rod 2 due to the extrusion of the external force, the protrusion 13 no longer clamps the notch 12 on the connecting rod 2, and the connecting rod 2 moves upwards under the elastic action of the first spring 11, so that the convex edge 7 and the groove 8 are separated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electrical engineering earthing device, includes special-shaped nut (3), its characterized in that, special-shaped nut (3) border department has steel sheet (6) through bolt (4) threaded connection, steel sheet (6) upper surface threaded connection has plug wire groove (5), steel sheet (6) lower fixed surface is connected with protruding edge (7), special-shaped nut (3) middle part is connected with connecting rod (2), connecting rod (2) upper end fixedly connected with handle (1), special-shaped nut (3) lower surface welding has first spring (11), first spring (11) embeds there is connecting rod (2), one section fixedly connected with casing (18) that special-shaped nut (3) were kept away from in first spring (11), casing (18) middle part is arranged in to connecting rod (2), bayonet (12) remain to connecting rod (2) lower extreme, leave cavity (17) in casing (18), cavity (17) inner wall fixedly connected with second spring (16), one end fixedly connected with lug (13) of cavity (17) inner wall is kept away from in second spring (16), lug (13) are gone up volume fixedly connected with draw runner (14), draw runner (14) run through on slide rail (15), slide rail (15) fixed connection is at cavity (17) inner wall, casing (18) border fixedly connected with support (9) outward, support (9) upper end fixed connection is fluted (8), support (9) lower extreme fixedly connected with drill bit (10).

2. An electrical engineering earthing device according to claim 1, characterized in that said handle (1) is circular in shape.

3. The electrical engineering grounding device according to claim 1, wherein the steel sheet (6) and the convex edge (7) are located right below the plug wire slot (5) and right above the groove (8), and the inner surface of the plug wire slot (5) is provided with internal threads.

4. An electrical engineering earthing device according to claim 3, characterized in that said protruding edge (7) is cylindrical in shape on the top and hemispherical on the bottom.

5. An electrical engineering grounding device according to claim 3 characterized in that the shape of the recess (8) is of an inverted hemispherical shape and fits the shape of the ledge (7).

6. The electrical engineering grounding device according to claim 1, characterized in that the number of the wire inserting grooves (5), the protruding edges (7), the grooves (8), the brackets (9), the drill bits (10), the bayonets (12), the protrusions (13), the sliding bars (14), the sliding rails (15) and the second springs (16) is three.

7. An electrical engineering earthing device according to claim 1, characterized in that the section of said steel sheet (6) is hexagonal.