CN213071411U - Grounding device for electrical engineering - Google Patents
Grounding device for electrical engineering Download PDFInfo
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- CN213071411U CN213071411U CN202021970808.XU CN202021970808U CN213071411U CN 213071411 U CN213071411 U CN 213071411U CN 202021970808 U CN202021970808 U CN 202021970808U CN 213071411 U CN213071411 U CN 213071411U
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Abstract
The utility model discloses a grounding device for electrical engineering in the field of electrical engineering, which comprises a grounding rod, connecting wire and protecting sheathing, earth bar bottom center is fixed with the drill bit, protecting sheathing inner chamber bottom center is fixed with the collar, the installation annular has been seted up at collar top center, connecting thread has been seted up on the outside inner wall of installation annular, the helicla flute has been seted up in installation annular top upper portion region on the earth bar lateral wall, the connecting hole has been seted up at helicla flute tail end center, the through hole has been seted up to the helicla flute head end, the through hole runs through the earth bar top and sets up, installation annular internally mounted has a protection section of thick bamboo, protection section of thick bamboo bottom mounting have with installation annular complex go-between, set up on the collar lateral wall with connecting thread complex cooperation screw thread, protecting sheathing bottom symmetry is fixed with two sets of inserted bars that go into ground, first through hole and second through.
Description
Technical Field
The utility model relates to an electrical engineering field specifically is a earthing device that electrical engineering used.
Background
With the continuous development of social economy and the continuous improvement of the production level of enterprises, various electrical equipment appears on the market, in order to improve the use safety of the electrical equipment and mechanical equipment, most of the electrical equipment and mechanical equipment need to be grounded to a shell, in the grounding operation process of electrical engineering of the electrical equipment and mechanical equipment, a grounding device is usually needed, the grounding device in the electrical engineering is also called a grounding integrated device, the electrical equipment or other objects and the ground form electrically connected equipment, the equipment is used for realizing the purpose of connecting an electrical system with the ground, a metal object which is directly contacted with the ground to realize electrical connection is a grounding electrode, the metal object can be an artificial grounding electrode or a natural grounding electrode, and the grounding electrode can be endowed with certain electrical function.
At present, chinese patent with application number CN201821524353.1 discloses an electrical engineering earthing device, including the bottom plate, first ring channel has been seted up at the top of bottom plate, and the bottom of hoop is laminated mutually with the top of first rubber pad, and the top rigid coupling of hoop has the cover body, and the equal rigid coupling in the left and right sides below of the cover body has the baffle, and the opening has been seted up at the top of baffle, and the right side top rigid coupling of montant has the lug, and the bottom of lug is laminated mutually with the top of baffle. The electrical engineering grounding device has the advantages that the electronic elements in the electrical engineering grounding device cannot be corroded by external liquid or humid gas, the service life of the electronic elements in the electrical engineering grounding device is prolonged, and the influence on the normal work of the electrical engineering grounding device is avoided. However, when the grounding device is used for grounding electric working equipment, the device has a large volume, needs a large space and is inconvenient to use.
Based on this, the utility model designs an earthing device that electrical engineering used to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem that provides in the above-mentioned background art, provide a earthing device that electrical engineering used.
In order to achieve the above object, the utility model provides a following technical scheme: a grounding device for electrical engineering comprises a grounding rod, a connecting lead and a protective shell, wherein a drill bit is fixed at the center of the bottom end of the grounding rod, a mounting ring is fixed at the center of the bottom end of the inner cavity of the protective shell, a mounting ring groove is arranged at the center of the top end of the mounting ring, the outward inner wall of the mounting ring groove is provided with connecting threads, the side wall of the ground rod is provided with a spiral groove at the upper part of the top end of the mounting ring groove, the center of the tail end of the spiral groove is provided with a connecting hole, the head end of the spiral groove is provided with a through hole, the through hole penetrates through the top end of the grounding rod, a protective cylinder is arranged in the mounting ring groove, a connecting ring matched with the mounting ring groove is fixed at the bottom end of the protective cylinder, the side wall of the connecting ring is provided with matching threads matched with the connecting threads, two groups of ground inserting rods are symmetrically fixed at the bottom end of the protective shell, and the top end center and the bottom end center of the protective shell are respectively provided with a first through hole and a second through hole.
Preferably, the surface of the ground rod, the outer surface of the protective shell, the drill bit and the surface of the ground inserting rod are soaked and plated with zinc.
Preferably, the mounting ring is fixed at the position on the upper side in the middle of the side wall of the ground rod, the mounting ring is made of insulating materials, the depth of the mounting ring groove is larger than half of the thickness of the mounting ring, and the height of the connecting thread is equal to the depth of the mounting ring groove.
Preferably, the height of the spiral groove is smaller than the vertical distance between the top end of the ground rod and the top end of the mounting ring, and the end of the connecting lead is inserted into the connecting hole through the through hole along the spiral groove.
Preferably, the inner diameter of the protection cylinder is equal to the inner diameter of the ground rod, the protection cylinder is made of an insulating material, the height of the protection cylinder is larger than that of the spiral groove, and the connecting ring is equal to the mounting ring groove in shape and size.
Preferably, the vertical section of the protective casing is an isosceles trapezoid, the height of the protective casing is smaller than that of the protective cylinder, the diameter of the first through hole is larger than the outer diameter of the protective cylinder, and the diameter of the second through hole is equal to that of the ground rod.
Compared with the prior art, the beneficial effects of the utility model are that: firstly, the utility model discloses a set up earth bar, connecting wire and protecting sheathing, utilize the earth bar to insert ground, connecting wire twines on the earth bar and links to each other earth and electrical equipment and ground connection, keeps apart the protection through protecting sheathing, realizes the ground connection, and occupation space is little, facilitates the use; secondly, the spiral groove, the connecting hole and the through hole are arranged, so that the winding connection of the connecting wire is facilitated; thirdly, the utility model discloses a set up a collar and a protection section of thick bamboo, utilize cooperation screw thread and connecting thread's cooperation, utilize a protection section of thick bamboo to cover earth bar lateral wall helicla flute region, can keep apart the protection to inside connecting wire.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the ground rod of the present invention;
FIG. 3 is a schematic structural view of the protection cylinder of the present invention;
fig. 4 is a schematic view of the structure of the protective casing of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-ground rod, 2-connecting lead, 3-protective shell, 4-drill bit, 5-mounting ring, 6-mounting ring groove, 7-connecting thread, 8-spiral groove, 9-connecting hole, 10-through hole, 11-protective cylinder, 12-connecting ring, 13-matching thread, 14-ground inserting rod, 15-first through hole and 16-second through hole.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment provides a technical solution: as shown in figures 1 and 2, the grounding device for electrical engineering comprises a grounding rod 1, a connecting wire 2 and a protective shell 3, wherein a drill bit 4 is fixed at the bottom center of the grounding rod 1, a mounting ring 5 is fixed at the bottom center of an inner cavity of the protective shell 3, the vertical section of the protective shell 3 is isosceles trapezoid, the mounting ring 5 is fixed at the upper position of the middle part of the side wall of the grounding rod 1, the mounting ring 5 is made of an insulating material, a mounting ring groove 6 is formed in the center of the top end of the mounting ring 5, a connecting thread 7 is formed on the outward inner wall of the mounting ring groove 6, the depth of the mounting ring groove 6 is more than half of the thickness of the mounting ring 5, the height of the connecting thread 7 is equal to the depth of the mounting ring groove 6, a spiral groove 8 is formed in the upper area of the top end of the mounting ring groove 6 on the side wall of the, a connecting hole 9 is formed in the center of the tail end of the spiral groove 8, a through hole 10 is formed in the head end of the spiral groove 8, the through hole 10 penetrates through the top end of the grounding rod 1, and the end part of the connecting lead 2 is inserted into the connecting hole 9 along the spiral groove 8 through the through hole 10;
as shown in fig. 3 and 4, a protection cylinder 11 is installed inside the installation ring groove 6, the inner diameter of the protection cylinder 11 is equal to the inner diameter of the ground rod 1, the protection cylinder 11 is made of an insulating material, the height of the protection cylinder 11 is greater than that of the spiral groove 8, the height of the protection shell 3 is less than that of the protection cylinder 11, a connection ring 12 matched with the installation ring groove 6 is fixed at the bottom end of the protection cylinder 11, the shape and size of the connection ring 12 are equal to that of the installation ring groove 6, a matching thread 13 matched with the connection thread 7 is formed on the side wall of the connection ring 12, two groups of ground insertion rods 14 are symmetrically fixed at the bottom end of the protection shell 3, a first through hole 15 and a second through hole 16 are respectively formed in the top end center and the bottom end center of the protection shell 3, the diameter of the first through hole 15 is greater than the outer diameter of the protection cylinder.
One specific application of this embodiment is: firstly, a protective shell 3 is inserted into the ground through an earth insertion rod 14 to be connected with the ground, then the end part of a connecting lead 2 passes through a through hole 10 to enter a spiral groove 8, the end part of the connecting lead 2 is wound on a ground rod 1 through a spiral groove 8 thread, the end part of the connecting lead 2 extends into a connecting hole 9, then the bottom end of the ground rod 1 sequentially passes through a first through hole 15 and a second through hole 16, a drill bit 4 is used for penetrating into the ground to realize grounding, finally a connecting thread 7 and a matching thread 13 are matched to connect a protective cylinder 11 and a mounting ring 5 thread to carry out isolation protection on the connecting lead 2, the ground rod 1 is inserted into the ground through the arrangement of the ground rod 1, the connecting lead 2 and the protective shell 3, the ground is connected with electrical equipment to carry out grounding by winding the ground rod 2, the protective shell 3 is used for isolation protection, is convenient to use.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a earthing device that electrical engineering used, includes earth bar (1), connecting wire (2) and protecting sheathing (3), its characterized in that: the ground rod (1) bottom center is fixed with a drill bit (4), the protective shell (3) inner chamber bottom center is fixed with a mounting ring (5), an installation ring groove (6) has been seted up at the center of the top end of the mounting ring (5), connecting threads (7) have been seted up on the outside inner wall of the installation ring groove (6), a spiral groove (8) has been seted up in the upper region of the top end of the installation ring groove (6) on the lateral wall of the ground rod (1), a connecting hole (9) has been seted up at the center of the tail end of the spiral groove (8), a through hole (10) has been seted up at the head end of the spiral groove (8), the through hole (10) runs through the top end of the ground rod (1), a protection cylinder (11) is installed inside the installation ring groove (6), a connecting ring (12) matched with the installation ring groove (6) is fixed at the bottom end of the protection cylinder (11, two groups of ground inserting rods (14) are symmetrically fixed at the bottom end of the protective shell (3), and a first through hole (15) and a second through hole (16) are respectively formed in the center of the top end and the center of the bottom end of the protective shell (3).
2. An earthing device for electrical engineering according to claim 1, characterized in that: the surface of the grounding rod (1), the outer surface of the protective shell (3), the drill bit (4) and the surface of the ground inserting rod (14) are soaked with zinc.
3. An earthing device for electrical engineering according to claim 1, characterized in that: the utility model discloses a grounding rod, including earthing rod (1), collar (5), mounting ring (5) are fixed at earthing rod (1) lateral wall middle part position on the upper side, collar (5) are formed by insulating material preparation, the degree of depth of mounting ring groove (6) is greater than half of mounting ring (5) thickness, the degree of depth that highly equals mounting ring groove (6) of connecting thread (7).
4. An earthing device for electrical engineering according to claim 1, characterized in that: the height of the spiral groove (8) is smaller than the vertical distance between the top end of the grounding rod (1) and the top end of the mounting ring (5), and the end part of the connecting lead (2) is inserted into the connecting hole (9) through the through hole (10) along the spiral groove (8).
5. An earthing device for electrical engineering according to claim 1, characterized in that: the inner diameter of a protection section of thick bamboo (11) equals the inner diameter of earth bar (1), a protection section of thick bamboo (11) is formed by insulating material preparation, the height that highly is greater than helicla flute (8) of a protection section of thick bamboo (11), the shape size of go-between (12) equals the shape size of installation annular (6).
6. An earthing device for electrical engineering according to claim 1, characterized in that: the vertical section of the protective shell (3) is isosceles trapezoid, the height of the protective shell (3) is smaller than that of the protective cylinder (11), the diameter of the first through hole (15) is larger than the outer diameter of the protective cylinder (11), and the diameter of the second through hole (16) is equal to that of the grounding rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021970808.XU CN213071411U (en) | 2020-09-10 | 2020-09-10 | Grounding device for electrical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021970808.XU CN213071411U (en) | 2020-09-10 | 2020-09-10 | Grounding device for electrical engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213071411U true CN213071411U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021970808.XU Active CN213071411U (en) | 2020-09-10 | 2020-09-10 | Grounding device for electrical engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213071411U (en) |
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2020
- 2020-09-10 CN CN202021970808.XU patent/CN213071411U/en active Active
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