CN219268030U

CN219268030U - Ground wire protection device for broadcast and television engineering

Info

Publication number: CN219268030U
Application number: CN202222937521.2U
Authority: CN
Inventors: 邹尚爱
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-06-27
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a ground wire protection device for broadcast television engineering, which comprises a conductive box body and the ground, wherein the conductive box body is buried in the ground, and a stress rod is fixedly arranged at the top of the conductive box body. According to the utility model, the protective cover is arranged for protecting the grounding wire, the limiting mounting shell is arranged for limiting the grounding wire, so that the stability of the grounding wire wound on the surface of the stress rod is improved, when the grounding wire is pulled, the tensile force applied to the grounding wire acts on the surface of the anti-skid sleeve, and finally the grounding wire is born by the stress rod, the anti-skid sleeve can increase the friction force between the grounding wire and the stress rod, the grounding wire can better play a limiting role, and the connecting piece and the contact head are mutually matched for connecting the grounding wire and the conductive box body, so that the problem that the grounding wire is poor in grounding effect due to the fact that the grounding wire is easily fallen from the inside of the protective frame when the grounding wire is pulled by external force is solved.

Description

Ground wire protection device for broadcast and television engineering

Technical Field

The utility model relates to the technical field of broadcast television engineering, in particular to a ground wire protection device for broadcast television engineering.

Background

The ground wire is in the electric system or electronic equipment, the ground wire, the grounding shell or the lead wire with zero reference potential, the ground wire is connected to the shell on the general electric appliance to prevent electric shock accidents caused by the electrification of the shell due to the internal insulation damage, the ground wire is simply called grounding device, the ground wire is divided into working grounding and safety grounding, and the safety grounding protection wire is used for protecting people from electric shock accidents when using electronic equipment such as household appliances and offices.

Chinese patent grant publication No. CN214590364U, which discloses a ground wire protection device for broadcast and television engineering, comprising: the ground wire protection device comprises a protection frame, wherein the protection frame is used as a main frame of the ground wire protection device, positioning sliding grooves are formed in two sides of the inner wall of the protection frame, and the positioning sliding grooves are of a T-shaped structure; the protection plate is arranged on the inner side of the positioning chute; the sealing gasket is uniformly fixed in the center of the inner wall of the protective frame; the limiting clamping grooves are uniformly formed in the outer side of the upper surface of the protective frame, the upper side of the outer surface of the protective frame is fixedly connected with a positioning plate, and the positioning plate is of a circular arc structure; the bottom plate is fixed on the lower surface of the protective frame, and the lower side of the bottom plate is clamped with the base body; this a ground wire protector for broadcast television engineering can seal the ground wire, can avoid in the rainwater entering device, thereby lead to the ground wire to receive the corruption and make its life reduce to the device can dismantle fast, so that follow-up regular maintenance and protection are carried out to the ground wire.

When the grounding wire is pulled by external force, the grounding wire is easy to drop from the inside of the protection frame, so that the grounding effect of the grounding wire is poor.

Disclosure of Invention

The utility model aims to provide a ground wire protection device for broadcasting and television engineering, which has the advantage of anti-pulling, and solves the problem that when a ground wire is pulled by external force, the ground wire is easy to drop from the inside of a protection frame, so that the ground wire has poor grounding effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ground wire protector for broadcast television engineering, includes conductive box and ground, conductive box buries the inside on ground, conductive box's top fixed mounting has the atress pole, conductive box inner chamber's back fixed mounting has the connection piece, the front of connection piece is provided with the contact head, the bottom fixed mounting of contact head has the earth conductor, the opposite side of earth conductor extends to conductive box's outside, the surface cover of atress pole is equipped with the antiskid cover, the earth conductor twines in the surface of antiskid cover, the front and the back of atress pole all are provided with spacing installation shell, the antiskid cover is located the inside of spacing installation shell, conductive box's top is provided with the protection casing, the top of earth conductor extends to the top of protection casing.

Preferably, a guide pipe is fixedly arranged at the top of the protective cover, and the top of the grounding wire penetrates through the guide pipe.

Preferably, an annular mounting seat is arranged in the conductive box body, a sealing gasket is arranged on the inner side of the annular mounting seat, and the bottom of the protective cover is positioned in the annular mounting seat.

Preferably, the front and the back of the stress rod are provided with mounting holes, the two sides of the limiting mounting shell are fixedly provided with side plates, the front of each side plate is provided with a fastening bolt, and one side of each fastening bolt extends to the inside of each mounting hole.

Preferably, the front surface of the conductive box body is provided with a threaded hole, the internal thread of the threaded hole is connected with a screw rod, the back surface of the screw rod extends to the inside of the conductive box body and is fixedly provided with an extrusion plate, and the extrusion plate is propped against the contact head.

Preferably, the front surface of the screw rod extends to the front surface of the conductive box body, and the front surface of the screw rod is fixedly provided with a rotating sheet.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the protective cover is arranged for protecting the grounding wire, the limiting mounting shell is arranged for limiting the grounding wire, so that the stability of the grounding wire wound on the surface of the stress rod is improved, when the grounding wire is pulled, the tensile force applied to the grounding wire acts on the surface of the anti-skid sleeve and is finally borne by the stress rod, the anti-skid sleeve can increase the friction force between the grounding wire and the stress rod, the limiting effect on the grounding wire can be better achieved, the connecting piece and the contact head are mutually matched for connecting the grounding wire and the conductive box, the connection stability between the grounding wire and the conductive box is improved, the breakage between the grounding wire and the conductive box is prevented, and meanwhile, the problem that the grounding wire is easy to drop from the inside of the protective frame when the grounding wire is pulled by external force, and the grounding wire is poor in grounding effect is solved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the cross-sectional structure of the conductive box and the spacing mounting shell of the present utility model;

fig. 3 is a schematic side view cross-sectional structure of the conductive box of the present utility model.

In the figure: 1. a conductive box; 2. ground surface; 3. a force-bearing rod; 4. a ground wire; 5. a limit mounting shell; 6. a side plate; 7. a protective cover; 8. a guide tube; 9. an annular mounting seat; 10. a mounting hole; 11. a connecting sheet; 12. a contact; 13. a threaded hole; 14. a screw; 15. a rotating piece; 16. an extrusion plate; 17. an anti-skid sleeve.

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. 1-3, a ground wire protection device for broadcasting and television engineering comprises a conductive box body 1 and a ground surface 2, wherein the conductive box body 1 is buried in the ground surface 2, a stress rod 3 is fixedly arranged at the top of the conductive box body 1, a connecting sheet 11 is fixedly arranged at the back of an inner cavity of the conductive box body 1, a contact head 12 is arranged at the front of the connecting sheet 11, a grounding wire 4 is fixedly arranged at the bottom of the contact head 12, the other side of the grounding wire 4 extends to the outside of the conductive box body 1, an anti-slip sleeve 17 is sleeved on the surface of the stress rod 3, the grounding wire 4 is wound on the surface of the anti-slip sleeve 17, limit mounting shells 5 are respectively arranged at the front and the back of the stress rod 3, the anti-slip sleeve 17 is positioned in the limit mounting shells 5, a protective cover 7 is arranged at the top of the conductive box body 1, and the top of the grounding wire 4 extends to the upper part of the protective cover 7.

The top of the protective cover 7 is fixedly provided with a guide pipe 8, and the top of the grounding wire 4 penetrates through the guide pipe 8.

Through the scheme, the guide pipe 8 is used for limiting the grounding wire 4, so that the stability of the grounding wire 4 is improved.

The inside of electrically conductive box 1 is provided with annular mount pad 9, and the inboard of annular mount pad 9 is provided with sealed the pad, and the bottom of protection casing 7 is located the inside of annular mount pad 9.

Through above-mentioned scheme, annular mount pad 9 is used for installing and fixing protection casing 7, improves protection casing 7's stability in use.

The front and the back of the stress rod 3 are provided with mounting holes 10, two sides of the limiting mounting shell 5 are fixedly provided with side plates 6, the front of each side plate 6 is provided with a fastening bolt, and one side of each fastening bolt extends to the inside of each mounting hole 10.

Through above-mentioned scheme, curb plate 6, mounting hole 10 and fastening bolt mutually support and are used for installing spacing installation shell 5 for two spacing installation shells 5 are installed together, play spacing effect to ground conductor 4.

The front of the conductive box body 1 is provided with a threaded hole 13, the internal thread of the threaded hole 13 is connected with a screw rod 14, the back of the screw rod 14 extends to the inside of the conductive box body 1 and is fixedly provided with a squeeze plate 16, and the squeeze plate 16 is propped against the contact 12.

Through the scheme, the screw rod 14 and the threaded hole 13 are matched with each other and used for driving the extrusion plate 16 to extrude the contact 12, so that the contact 12 is in close contact with the connecting sheet 11, and the contact 12 is prevented from shaking and falling off in the conductive box body 1.

The front surface of the screw 14 extends to the front surface of the conductive box 1, and a rotating plate 15 is fixedly arranged on the front surface of the screw 14.

Through above-mentioned scheme, the rotation piece 15 is convenient for rotate screw rod 14, and convenient operation saves physical power.

During the use, insert the inside of electric conduction box 1 with contact 12 from the bottom of electric conduction box 1 for contact 12 is located the front of connection piece 11, drive screw rod 14 through rotor 15 and rotate, under the effect of screw hole 13, screw rod 14 drives stripper plate 16 and promotes contact 12, make contact 12 extrude connection piece 11, and then fix contact 12, twine ground wire 4 in the surface of anti-skidding cover 17, install spacing installation shell 5 in the front and the back of atress pole 3 again, fix spacing installation shell 5 through fastening bolt, draw forth the one end of ground wire 4 from guide tube 8, next step buries electric conduction box 1 in the inside of ground 2, protection casing 7 is installed at the top of annular mount pad 9 can.

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

1. A ground wire protector for broadcast television engineering, includes electric conduction box (1) and ground (2), its characterized in that: the utility model discloses a ground connection device for the electric conduction box, including ground connection box (1), conducting box (1), connecting piece (11), ground connection box (4) and cover is equipped with antiskid cover (17), ground connection box (4) twine in the surface of antiskid cover (17), the front and the back of atress rod (3) all are provided with spacing installation shell (5), antiskid cover (17) are located the inside of spacing installation shell (5), the top of conducting box (1) is provided with protection casing (7), the top of ground connection box (4) extends to the top of protection casing (7).

2. The ground wire protection device for radio and television engineering according to claim 1, wherein: the top of protection casing (7) fixed mounting has guide pipe (8), the top of earth wire (4) runs through guide pipe (8).

3. The ground wire protection device for radio and television engineering according to claim 1, wherein: the inside of electrically conductive box (1) is provided with annular mount pad (9), the inboard of annular mount pad (9) is provided with sealed pad, the bottom of protection casing (7) is located the inside of annular mount pad (9).

4. The ground wire protection device for radio and television engineering according to claim 1, wherein: the front and the back of the stress rod (3) are provided with mounting holes (10), two sides of the limiting mounting shell (5) are fixedly provided with side plates (6), the front of each side plate (6) is provided with a fastening bolt, and one side of each fastening bolt extends to the inside of each mounting hole (10).

5. The ground wire protection device for radio and television engineering according to claim 1, wherein: screw holes (13) are formed in the front face of the conductive box body (1), screw rods (14) are connected with the inner threads of the screw holes (13), the back faces of the screw rods (14) extend to the inside of the conductive box body (1) and are fixedly provided with extrusion plates (16), and the extrusion plates (16) are abutted against the contact heads (12).

6. The ground wire protection device for radio and television engineering according to claim 5, wherein: the front of the screw (14) extends to the front of the conductive box body (1), and a rotating sheet (15) is fixedly arranged on the front of the screw (14).