CN210838141U - Grounding rod - Google Patents

Abstract

The utility model relates to the technical field of ground rods, and discloses a ground rod, which comprises a ground rod sleeve, a fixing device, a ground rod body and a drill bit, wherein the upper end of the ground rod sleeve is provided with a round hole groove, the lower end of the ground rod sleeve is provided with the fixing device, the fixing device comprises a shell, spring and frame ring one, shell internal connection frame ring one, frame ring one lower extreme has the frame, the frame lower extreme has frame ring two, there is the magnet ball frame inside, there is the spring magnet ball outside, spring coupling sheathes at the earth bar, there is the earth bar barred body fixing device below, the earth bar barred body includes the standing groove, magnet one and recess, the earth bar barred body inserts inside fixing device, the standing groove is seted up at earth bar barred body middle part, magnet one is placed to the inside of standing groove, the earth bar barred body left and right sides all is fluted, there is the anticreep pole inside the recess, there is magnet two anticreep pole right surface, there is the threaded rod under magnet two. The grounding rod has the performances of being reusable, preventing the grounding rod from falling off and the like.

Description

Grounding rod

Technical Field

The utility model relates to a ground rod technical field specifically is a ground rod.

Background

The grounding rod is a tool of the grounding electrode, the grounding electrode is an electrode which is fully contacted with the ground to realize connection with the ground, in the electrical engineering, the grounding electrode is formed by nailing a plurality of galvanized angle steels with the length of 2.5M and the depth of 45X45mm at the bottom of a groove with the depth of 800mm and leading out by using a leading-out wire, the influence of the surrounding environment on the engineering effect is determined by the characteristics of the grounding engineering, and the design of the grounding engineering is infeasible by breaking away from the specific situation of the location of the engineering. Factors such as soil resistivity, soil layer structure, water containing condition, construction area and the like determine the shape, size and process material selection of the grounding grid. Therefore, when designing an artificial earth electrode, the artificial earth electrode should be designed as accurately as possible according to the geological conditions such as soil resistivity, soil layer distribution and the like of the ground grid, and the earth electrode is also called an earth body, is a metal conductor or a conductor group directly contacting with soil, and is divided into an artificial earth electrode and a natural earth electrode. The grounding electrode is used as a conductor which is closely contacted with the soil of the ground and provides electrical connection with the ground, the energy of the safe distributed lightning is discharged into the ground, the grounding is the most important link of the lightning protection engineering, and the lightning current is finally sent into the ground no matter the direct lightning protection or the protection technology of electrostatic induction, electromagnetic induction and lightning wave invasion of lightning. Without good grounding techniques, it is not possible to have a qualified lightning protection process. The function of the protection grounding is to make good metal connection between the uncharged metal part of the electrical equipment and the grounding electrode, reduce the grounding voltage of the contact, and avoid the danger of electric shock of human body.

Most earth bars of market all divide into combination formula and single formula at present, and the earth bar part of combination formula is many and complicated, and the during operation of going out need carry most parts, need install before work, and after ground connection is accomplished, need dismantle again, very waste time and energy, and but single formula's earth bar carries very trouble and can not retrieve reuse's device after using the completion, has caused very big waste, great improvement working cost.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a ground rod possesses but reuse and prevents advantages such as ground rod drops, has solved original ground rod and has used the problem that wastes time and energy and with high costs.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a ground rod comprises a ground rod sleeve, a fixing device, a ground rod body and a drill bit, wherein a round hole groove is formed in the upper end of the ground rod sleeve, the lower end of the ground rod sleeve is provided with the fixing device, the fixing device comprises a shell, a spring and a first frame ring, the first frame ring is fixedly connected inside the shell, the upper end of the first frame ring is fixedly connected onto the ground rod sleeve, the lower end of the first frame ring is fixedly connected with a frame, the lower end of the frame is fixedly connected with a second frame ring, four magnet balls are arranged inside the frame, springs are fixedly connected to the outer sides of the magnet balls, the upper end of each spring is fixedly connected onto the ground rod sleeve, the ground rod body is arranged below the fixing device and comprises a placing groove, the first magnet and a groove, the upper end of the ground rod body is inserted into the fixing device through the second frame ring, the utility model discloses a ground connection pole, including the earth bar barred body, the standing groove is seted up at the middle part of earth bar barred body, magnet one is placed to the inside of standing groove, the recess has all been seted up to the left and right sides of earth bar barred body, the inside of recess is provided with the anticreep pole, the right fixed surface of anticreep pole is connected with magnet two, the lower extreme fixed mounting of magnet two has the threaded rod, magnet two and recess pass through the threaded rod and rotate the connection.

Preferably, the whole frame of the fixing device is an inverted round table.

Preferably, the number of the frames is four, and the first frame ring and the second frame ring are connected through the frames.

Preferably, the number of the magnet balls is three.

Preferably, the size of the ground rod body is matched with that of the second frame ring.

Preferably, the upper end of the anti-falling rod is an inclined plane.

(III) advantageous effects

Compared with the prior art, the utility model provides a ground rod possesses following beneficial effect:

1. this earth bar, earth bar barred body and fixing device can the split, when needs carry out ground connection work, insert two insides of frame ring with the rear end of earth bar barred body, because the spring that sets up is in the extruded state in fixing device's inside all the time, the spring extrudees the magnet ball, three magnet ball pushes down simultaneously and fixes the earth bar barred body at fixing device's inside messenger earth bar and becomes a whole, insert back in earth with earth bar barred body and drill bit, take out magnet one from the standing groove and place in the round hole groove, the magnet ball is attracted upward movement by magnet this moment, take out from frame ring two inside that the extrusion of earth bar barred body lost the magnet ball can be relaxed like this, can used repeatedly earth bar cover and fixing device, the use cost of earth bar has been practiced thrift.

2. This earth bar, place the standing groove through the middle part at the earth bar barred body, when not using the earth bar barred body, through the inter attraction of magnet one and magnet two, anticreep pole can tightly paste in frame ring one, after squeezing into earth with drill bit and earth bar barred body, need take out magnet one and place round hole groove department with separation fixing device and earth bar barred body, magnet two have lost the appeal this moment, the anticreep pole is not tightly pasting in the inside of recess, but use the threaded rod to open for the axial is outwards, when the earth bar barred body receives ascending external force and is drawn, the anticreep pole can be complete opens and has prevented the earth bar barred body for the horizontality and pull out, in the stable earth bar body that is fixed in earth like this, the steadiness ability of earth bar has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

fig. 3 is a schematic view of the internal structure of the ground rod of the present invention.

In the figure: 1 ground rod sleeve, 101 circular hole groove, 2 fixing device, 201 shell, 202 spring, 203 frame ring I, 204 frame, 205 magnet ball, 206 frame ring II, 3 ground rod body, 301 placing groove, 302 magnet I, 303 groove, 304 anti-dropping rod, 305 magnet II, 306 threaded rod, 4 drill bit.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a ground rod comprises a ground rod sleeve 1, a fixing device 2, a ground rod body 3 and a drill 4, wherein a circular hole groove 101 is formed in the upper end of the ground rod sleeve 1, the circular hole groove 101 is used for placing a magnet a 302, the fixing device 2 is arranged at the lower end of the ground rod sleeve 1, the whole frame of the fixing device 2 is an inverted circular table, the fixing device 2 comprises a shell 201, a spring 202 and a frame ring a 203, the shell 201 is internally and fixedly connected with the frame ring a 203, the upper end of the frame ring a 203 is fixedly connected to the ground rod sleeve 1, the lower end of the frame ring a 203 is fixedly connected with a frame 204, the number of the frames 204 is four, the frame ring a 203 and the frame ring two 206 are connected through the frame 204, the lower end of the frame 204 is fixedly connected with the frame ring two 206, magnet balls 205 are arranged inside the four frames 204, the number of the magnet balls 205 is three, the magnet balls 205 are used for fixing the ground rod body, the outer side of the magnet ball 205 is fixedly connected with a spring 202, and the upper end of the spring 202 is fixedly connected to the grounding rod sleeve 1;

the grounding rod 3 is arranged below the fixing device 2, the size of the grounding rod 3 is matched with that of the second frame ring 206, the grounding rod 3 comprises a placing groove 301, a first magnet 302 and a groove 303, the upper end of the grounding rod 3 is inserted into the fixing device 2 through the second frame ring 206, the grounding rod 3 and the fixing device 2 can be detached, when grounding work is needed, the rear end of the grounding rod 3 is inserted into the second frame ring 206, because the arranged spring 202 is always in an extruded state in the fixing device 2, the spring 202 extrudes the magnet ball 205, the three magnet balls 205 simultaneously extrude downwards to fix the grounding rod 3 in the fixing device 2 so that the grounding rod becomes a whole, after the grounding rod 3 and the drill bit 4 are inserted into soil, the first magnet 302 is taken out of the placing groove 301 and placed in the round hole groove 101, at the moment, the magnet ball 205 is attracted by the first magnet 302 to move upwards, and the grounding rod body 3 can be easily taken out from the second frame ring 206 after losing the extrusion of the magnet ball 205, so that the grounding rod sleeve 1 and the fixing device 2 can be repeatedly used, and the use cost of the grounding rod is saved;

the middle part of the earth bar body 3 is provided with a placing groove 301, a first magnet 302 is placed in the placing groove 301, the left side and the right side of the earth bar body 3 are both provided with grooves 303, an anti-falling rod 304 is arranged in each groove 303, the upper end of the anti-falling rod 304 is an inclined surface, when the earth bar body 3 is pulled from the outside, the inclined surfaces are more favorable for unfolding the anti-falling rod 304, the right surface of the anti-falling rod 304 is fixedly connected with a second magnet 305, the lower end of the second magnet 305 is fixedly provided with a threaded rod 306, the second magnet 305 and the grooves 303 are rotatably connected through the threaded rod 306, by placing the placing groove 301 in the middle part of the earth bar body 3, when the earth bar body 3 is not used, the anti-falling rod 304 can be tightly attached to the first frame ring 303 through mutual attraction of the first magnet 302 and the second magnet 305, after the drill bit 4 and the earth bar body 3 are driven into the earth, the first magnet 302 needs to be placed to the round hole groove 101 to separate the fixing device 2 and, at this time, the second magnet 305 loses attraction, so that the anti-falling rod 304 is not tightly attached to the inside of the groove 303, but the threaded rod 306 is axially expanded outwards, when the ground rod body 3 is pulled up by an upward external force, the anti-falling rod 304 is completely expanded to be in a horizontal state to prevent the ground rod body 3 from being pulled out, so that the ground rod body 3 is stably fixed in the soil, and the stability of the ground rod is improved.

When the grounding rod sleeve 1 and the grounding rod sleeve 2 are used, firstly, the first magnet 302 is placed inside the placing groove 301, then the grounding rod body 3 is inserted into the fixing device 2 through the second frame ring 206 for fixing, then the grounding rod body 3 and the drill bit 4 are hammered into soil, the first magnet 302 is taken out from the placing groove 301 and placed inside the round hole groove 101, the fixing device 2 and the grounding rod body 3 are pulled away, the grounding rod body 3 is left in the soil, and the next grounding rod is installed by the grounding rod sleeve 1 and the fixing device 2 according to the operation.

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

Claims (6)

1. The utility model provides a ground rod, includes ground rod cover (1), fixing device (2), ground rod barred body (3) and drill bit (4), round hole groove (101), its characterized in that have been seted up to the upper end of ground rod cover (1): the lower extreme of ground rod cover (1) sets up fixing device (2), fixing device (2) are including shell (201), spring (202) and frame ring one (203), inside fixed connection frame ring one (203) of shell (201), the upper end fixed connection of frame ring one (203) is on ground rod cover (1), the lower extreme fixedly connected with frame (204) of frame ring one (203), the lower extreme fixedly connected with frame ring two (206), four of frame (204) the inside of frame (204) is provided with magnet ball (205), the outside fixedly connected with spring (202) of magnet ball (205), the upper end fixed connection of spring (202) is on ground rod cover (1), the below of fixing device (2) is provided with ground rod body (3), ground rod body (3) are including standing groove (301), Magnet (302) and recess (303), the inside that fixing device (2) were inserted through frame ring two (206) in the upper end of earth bar barred body (3), standing groove (301) are seted up at the middle part of earth bar barred body (3), magnet (302) is placed to the inside of standing groove (301), recess (303) are all seted up to the left and right sides of earth bar barred body (3), the inside of recess (303) is provided with anticreep pole (304), the right fixed surface of anticreep pole (304) is connected with magnet two (305), the lower extreme fixed mounting of magnet two (305) has threaded rod (306), magnet two (305) and recess (303) rotate through threaded rod (306) and connect.

2. A ground rod according to claim 1, wherein: the whole frame of the fixing device (2) is an inverted round table.

3. A ground rod according to claim 1, wherein: the number of the frames (204) is four, and the frame ring I (203) and the frame ring II (206) are connected through the frames (204).

4. A ground rod according to claim 1, wherein: the number of the magnet balls (205) is three.

5. A ground rod according to claim 1, wherein: the size of the grounding rod body (3) is matched with that of the second frame ring (206).

6. A ground rod according to claim 1, wherein: the upper end of the anti-falling rod (304) is an inclined plane.

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