CN214958615U

CN214958615U - Ground wire protection device for radio and television engineering

Info

Publication number: CN214958615U
Application number: CN202120121132.5U
Authority: CN
Inventors: 常宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-30
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to a ground wire protection device for broadcasting and TV engineering, which comprises a first pipe body and a second pipe body, wherein two first magnets are fixedly arranged on the inner wall of the second pipe body, two third magnets are fixedly arranged on the inner wall of the first pipe body, a limiting disc is fixedly arranged between the first pipe body and the second pipe body, a plurality of bearings are fixedly arranged on the inner wall of the limiting disc, and limiting plates are fixedly connected with the outer surfaces of the bearings, the utility model replaces the original bolt fixing structure by a magnetic absorption structure which is convenient to open, avoids the problem that the bolt cannot be disassembled because the protection device is directly contacted with earth, and the bolt can damage the pipe body, thereby generating humid air inside the pipe body, accelerating the aging speed of electric appliances, increasing a shock absorption buffer structure, and solving the problem that when the top is collapsed or is hit by heavy impact, the shock absorption cannot be carried out, may cause circuit failure and has great potential safety hazard.

Description

Ground wire protection device for radio and television engineering

Technical Field

The utility model relates to a broadcasting and TV engineering field, concretely relates to ground wire protector for broadcasting and TV engineering.

Background

The broadcast engineering major study is the knowledge in the aspects of broadcast technology, multimedia technology, relevant basic theory, etc. Mainly uses video and audio technology as core, and is a composite type specialty fused with subjects such as computer science, communication technology, network technology, audio-visual art and the like, and focuses on cultivating high-quality comprehensive professional technical talents required by the broadcast television industry;

the current ground wire protector major part that is used for broadcasting and TV engineering installs through destructive structures such as bolt, because protection device and earth direct contact, thereby can lead to the bolt to corrode and can't dismantle, and the bolt can destroy the body, thereby lead to its inside moist air that produces, accelerate the ageing speed of electrical apparatus, the little protector does not set up protection shock-absorbing structure, in case the top sinks or when meeting with the heavy hit, can't carry out the shock attenuation buffering, can lead to circuit failure, there is great security personnel hidden danger.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ground wire protector for broadcasting and TV engineering has solved above technical problem.

The utility model provides a scheme as follows of above-mentioned technical problem: the device comprises a first pipe body and a second pipe body, wherein two first magnets are fixedly mounted on the inner wall of the second pipe body, two third magnets are fixedly mounted on the inner wall of the first pipe body, a limiting disc is fixedly mounted between the first pipe body and the second pipe body, a plurality of bearings are fixedly mounted on the inner wall of the limiting disc, limiting plates are fixedly connected to the outer surfaces of the bearings, first springs are fixedly mounted on the outer surfaces of the limiting plates, rotating rods are movably inserted between the first pipe body and the second pipe body, gears are fixedly sleeved on the outer surfaces of the rotating rods, rotating handles are fixedly mounted at the ends of the rotating rods, which are far away from the limiting disc, supporting rods are movably mounted on the outer surfaces of the first pipe body and the second pipe body respectively, a top plate is fixedly mounted between the ends of the two supporting rods, which are far away from the limiting disc, and a rubber cushion is fixedly mounted at one side of the top plate, which is far away from the supporting rods, two one side that branch is relative has fixed welding respectively to have a cavity post, two the activity is inserted between the cavity post and is equipped with the slide bar, the surface movable sleeve of slide bar is equipped with the second spring.

The utility model has the advantages that: magnetic type structure through being convenient for open replaces original bolt fastening structure, thereby avoided because protection device and earth direct contact, thereby can lead to the bolt to corrode and can't dismantle, and the bolt can destroy the body, thereby lead to its inside moist air that produces, accelerate the problem of the ageing speed of electrical apparatus, shock attenuation buffer structure has been increased, when having solved the top and having subsided or met with heavy hit, can't carry out the shock attenuation buffering, can lead to circuit failure, there is the problem of great security personnel hidden danger.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, two first magnetite is the same magnetic pole with two second magnetite respectively and is relative, two the second magnetite is the same magnetic pole with two third magnetite respectively and is relative.

The beneficial effect of adopting the further scheme is that: so that the first magnet and the second magnet can be attracted together with the third magnet.

Furthermore, a plurality of one end of the first spring, which is far away from the limiting plate, is fixedly connected with the inner wall of the limiting plate.

The beneficial effect of adopting the further scheme is that: so that the first spring can be pressed by the limiting plate and is stressed and contracted.

Furthermore, the roller teeth of the gear are meshed with the outer surfaces of the plurality of limiting plates.

The beneficial effect of adopting the further scheme is that: the limiting plate can be pressed outwards by the gear in the rotating process.

Furthermore, clamping plates are fixedly welded on two sides of the sliding rod, and the outer surfaces of the two clamping plates are respectively matched with the inner surfaces of the two hollow columns.

The beneficial effect of adopting the further scheme is that: so that the clamping plate can be clamped with the inner wall of the hollow column to prevent the sliding rod from falling off.

Furthermore, two ends of the second spring are fixedly connected with the outer surfaces of the two supporting rods respectively.

The beneficial effect of adopting the further scheme is that: so that the two support rods can be stretched by the second spring to buffer when being forced to turn outwards.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic perspective view of a ground wire protection device for broadcast and television engineering according to an embodiment of the present invention;

fig. 2 is a schematic side view of a limiting disc of a ground wire protection device for broadcasting and TV engineering according to an embodiment of the present invention;

fig. 3 is an elevational cross-sectional view of a hollow column in a ground wire protection device for broadcasting and TV engineering provided by the embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a first pipe body; 2. a second tube body; 3. a first magnet; 4. a second magnet; 5. a rotating rod; 6. a handle is rotated; 7. a third magnet; 8. a limiting disc; 9. a bearing; 10. a limiting plate; 11. A first spring; 12. a gear; 13. a hollow column; 14. a second spring; 15. a slide bar; 16. A rubber cushion; 17. a strut; 18. a top plate; 19. and (4) clamping the board.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-3, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

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, the present invention provides a technical solution: a ground wire protection device for broadcasting and TV engineering comprises a first pipe body 1 and a second pipe body 2, wherein two first magnets 3 are fixedly arranged on the inner wall of the second pipe body 2, two third magnets 7 are fixedly arranged on the inner wall of the first pipe body 1, a limiting disc 8 is fixedly arranged between the first pipe body 1 and the second pipe body 2, a plurality of bearings 9 are fixedly arranged on the inner wall of the limiting disc 8, limiting plates 10 are fixedly connected to the outer surfaces of the bearings 9, first springs 11 are fixedly arranged on the outer surfaces of the limiting plates 10, a rotating rod 5 is movably inserted between the first pipe body 1 and the second pipe body 2, a gear 12 is fixedly sleeved on the outer surface of the rotating rod 5, a rotating handle 6 is fixedly arranged at one end of the rotating rod 5, which is far away from the limiting disc 8, supporting rods 17 are movably arranged on the outer surfaces of the first pipe body 1 and the second pipe body 2 respectively, and a top plate 18 is fixedly arranged between one ends of the two supporting rods 17, which are far away from the limiting disc 8, one side of the top plate 18, which is far away from the supporting rods 17, is fixedly provided with a rubber cushion 16, one sides of the two supporting rods 17, which are opposite to each other, are respectively and fixedly welded with hollow columns 13, a sliding rod 15 is movably inserted between the two hollow columns 13, and the outer surface of the sliding rod 15 is movably sleeved with a second spring 14.

The two first magnets 3 are respectively opposite to the two second magnets 4 with the same magnetic pole, and the two second magnets 4 are respectively opposite to the two third magnets 7 with the same magnetic pole.

One end of the first springs 11 far away from the limiting plate 10 is fixedly connected with the inner wall of the limiting disc 8.

The teeth of the gear 12 are engaged with the outer surfaces of the plurality of limit plates 10.

Clamping plates 19 are fixedly welded on two sides of the sliding rod 15, and the outer surfaces of the two clamping plates 19 are respectively matched with the inner surfaces of the two hollow columns 13.

Two ends of the second spring 14 are fixedly connected with the outer surfaces of the two support rods 17 respectively.

The working principle of the embodiment is as follows: when the device works, firstly, as shown in fig. 1-3, when disassembly is needed, firstly, the rotating handle 6 is rotated, then the rotating handle 6 drives the rotating rod 5 to rotate along the limiting disc 8, at the same time, the gear 12 rotates along the inner wall of the limiting disc 8, so that the outer surface of the gear 12 presses the limiting plate 10 downwards, then the limiting plate 10 rotates along the bearing 9, the first spring 11 is driven by the limiting plate 10 to be stressed and shrunk until the limiting plate 10 is attached to the next roller tooth to achieve the purpose of unidirectional rotation, until the second magnet 4 rotates one hundred eighty degrees, at the same time, the magnetic poles are reversed, the first magnet 3 and the third magnet 7 are driven to be pushed outwards, so that the first pipe body 1 and the second pipe body 2 are separated to achieve the purpose of convenient disassembly, the original bolt fixing structure is replaced by the magnetic attraction type structure convenient to open, and direct contact of the protection device and soil is avoided, the bolt can be corroded, so that the bolt cannot be disassembled, and the bolt can damage the tube body, so that moist air is generated inside the tube body, and the aging speed of the electric appliance is accelerated;

meanwhile, as shown in fig. 1 and 3, when the impact force is transmitted to the top of the device, the rubber cushion 16 bears the impact force and deforms to buffer for the first time, the rest impact force is transmitted to the two supporting rods 17 through the top plate 18, the two supporting rods 17 turn outwards after being stressed, the second spring 14 is pulled by the supporting rods 17 to be stressed and stretched, the sliding rod 15 is pulled outwards along the two hollow columns 13 until the clamping plates 19 on the two sides of the sliding rod 15 are clamped with the inner walls of the hollow columns 13 to stop the secondary buffering, the damping and buffering structure is added, and the problems that when the top is collapsed or is heavily impacted, the damping and buffering cannot be carried out, the circuit failure can be caused, and the greater potential safety hazard exists are solved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a ground wire protector for broadcasting and TV engineering, includes first body (1) and second body (2), its characterized in that, the inner wall fixed mounting of second body (2) has two first magnetite (3), the inner wall fixed mounting of first body (1) has two third magnetite (7), fixed mounting has spacing dish (8) between first body (1) and second body (2), the inner wall fixed mounting of spacing dish (8) has a plurality of bearing (9), a plurality of the equal fixedly connected with limiting plate (10) in surface of bearing (9), a plurality of the equal fixed mounting in surface of limiting plate (10) has first spring (11), the activity is inserted between first body (1) and second body (2) and is equipped with bull stick (5), the outer fixed cover of bull stick (5) is equipped with gear (12), one end fixed mounting that spacing dish (8) were kept away from in bull stick (5) has turning handle (6), there are branch (17), two in first body (1) and the surface of second body (2) movable mounting respectively between the one end of spacing dish (8) is kept away from in branch (17) fixed mounting have roof (18), one side fixed mounting that branch (17) were kept away from in roof (18) has rubber cushion (16), two fixed welding respectively in one side that branch (17) is relative has well post (13), two the activity is inserted between well post (13) and is equipped with slide bar (15), the surface movable sleeve of slide bar (15) is equipped with second spring (14).

2. The ground wire protection device for broadcasting and TV engineering according to claim 1, characterized in that two of the first magnets (3) are respectively opposite to two of the second magnets (4) with the same magnetic pole, and two of the second magnets (4) are respectively opposite to two of the third magnets (7) with the same magnetic pole.

3. The ground wire protection device for broadcasting and TV engineering according to claim 1, characterized in that one end of the first springs (11) far away from the limiting plate (10) is fixedly connected with the inner wall of the limiting plate (8).

4. The ground wire protector for broadcasting and TV engineering according to claim 1, characterized in that the teeth of the gear (12) engage with the outer surface of several limiting plates (10).

5. The ground wire protection device for broadcasting and TV engineering according to claim 1, wherein clamping plates (19) are fixedly welded on both sides of the sliding rod (15), and the outer surfaces of the two clamping plates (19) are respectively matched with the inner surfaces of the two hollow columns (13).

6. The ground wire protector for broadcasting engineering as claimed in claim 1, characterized in that the second spring (14) is fixedly connected at its two ends to the outer surfaces of the two support rods (17), respectively.