CN216928211U - Lightning arrester with protective structure - Google Patents

Abstract

The utility model relates to the technical field of electrical overvoltage protection equipment, in particular to a lightning arrester with a protection structure, which comprises a lightning arrester main body and a plurality of umbrella covers which are linearly arranged on the lightning arrester main body at equal intervals, wherein an insulating protection device is arranged at the top position of the lightning arrester main body and comprises an insulating cover, a limiting cover of which the bottom surface is abutted against the top surface of the lightning arrester main body is fixedly arranged at the bottom end of the insulating cover, a protective cover which is sleeved on the lightning arrester main body is fixedly arranged at the bottom end of the limiting cover, a threading pipe which is communicated with the inside of the insulating cover is fixedly arranged on the annular side surface of the insulating cover, a built-in sleeve is fixedly arranged on the hole wall of a through hole, and end part limiting rings are integrally formed at two tail ends of the built-in sleeve. The lightning arrester waterproof protection device can perform waterproof protection operation on the lightning arrester, and meanwhile, can ensure that the wiring operation can be performed normally, and is convenient to use.

Description

Lightning arrester with protective structure

Technical Field

The utility model relates to the technical field of electric overvoltage protection equipment, in particular to a lightning arrester with a protection structure.

Background

The arrester is an electrical apparatus that is used for protecting electrical equipment to avoid high transient overvoltage harm and restricts afterflow time and afterflow amplitude, and the kind of the arrester on the market is more, but the top position of most arresters is directly exposed outside, lacks corresponding water proof protection part on it, causes the inside that the rainwater enters into the arrester easily to cause the arrester to damage, influences its normal use and life, brings inconvenience for the staff.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a lightning arrester with a protective structure to solve the above-mentioned drawbacks of the prior art.

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

the utility model provides an arrester with protective structure, includes arrester main part and a plurality of linear equidistant chute boot that sets up in the arrester main part that is, the top position department of arrester main part is provided with insulating protection device, insulating protection device includes the insulating cover, the bottom fixed mounting of insulating cover has the bottom surface to be in stop collar on the arrester main part top surface, the bottom fixed mounting of stop collar has the cover to establish lag in the arrester main part, on the annular side face of insulating cover fixed mounting with the inside threading pipe that communicates of insulating cover.

Preferably, the threading pipe is inclined downwards at 45-75 degrees, so that rainwater cannot enter the insulating sleeve along the threading pipe.

Preferably, a rubber cover is fixedly mounted on the bottom end cylinder body of the protecting sleeve, and the rubber cover is fixedly connected with the uppermost umbrella cover, so that the insulating protecting device is conveniently and fixedly mounted.

Preferably, a plurality of through holes communicated with the outside are formed in the rubber cover and the umbrella cover positioned at the uppermost part, so that the rubber cover is fixedly arranged on the umbrella cover by using fastening screws conveniently.

Preferably, the hole wall of the through hole is fixedly provided with a built-in sleeve, the two tail ends of the built-in sleeve are integrally formed with end limiting rings, the two end limiting rings are respectively positioned at the hole openings at the two end parts of the through hole, the through hole part is protected by the built-in sleeve, and the through hole parts of the rubber cover and the umbrella cover are not easily damaged when an external fastening screw penetrates through the built-in sleeve.

Preferably, the end of threading pipe is provided with the bunch subassembly, the bunch subassembly includes fixed mounting and is in the insulator ring on the terminal body of threading pipe, threaded connection has clamp bolt on the insulator ring, clamp bolt's terminal fixed mounting has the pad that compresses tightly, is convenient for retrain the operation to the cable.

Preferably, an insulating pad is fixedly mounted on the inner wall of the insulating ring, and the insulating and anti-skidding effects can be achieved through the arranged insulating pad.

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

1. according to the lightning arrester, the insulating protection device is arranged, so that the top position of the lightning arrester main body can be protected inside by the insulating sleeve, the limiting sleeve and the protective sleeve to carry out waterproof protection operation when the lightning arrester is used, and the wiring operation can be normally carried out by the arranged wiring pipe, so that rainwater is not easy to enter the inside of the lightning arrester main body, the service life of the lightning arrester main body is prolonged, the lightning arrester is convenient to use, and the problems that the top positions of most lightning arresters are directly exposed outside, corresponding waterproof protection parts are lacked on the lightning arrester, rainwater is easy to enter the inside of the lightning arrester to cause damage to the lightning arrester, the normal use and the service life of the lightning arrester are influenced, and inconvenience is brought to workers are solved.

2. The wire bunching assembly is convenient for fixing the cable, so that the cable is not easy to fall off from the threading pipe after passing through the threading pipe, the normal operation of the wiring operation is ensured, and the wire bunching assembly is convenient to use.

Drawings

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

FIG. 2 is a schematic diagram showing an explosive structure in example 1 of the present invention;

fig. 3 is an exploded view of an insulation protection device according to embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of example 2 of the present invention;

fig. 5 is a schematic structural view of a harness assembly according to embodiment 2 of the present invention.

The meaning of the individual reference symbols in the figures is: 1. a lightning arrester main body; 10. an umbrella cover; 2. an insulation protection device; 20. an insulating sleeve; 21. a limiting sleeve; 22. a protective sleeve; 23. a threading tube; 24. a rubber cover; 25. a through hole; 26. a sleeve is arranged inside; 27. an end stop collar; 3. a wire harness assembly; 30. an insulating ring; 31. an insulating pad; 32. a hold-down bolt; 33. and pressing the pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to fig. 3, the present embodiment provides a technical solution: the utility model provides an arrester with protective structure, including arrester main part 1 and a plurality of chute boot 10 that are linear equidistant setting on arrester main part 1, the top position department of arrester main part 1 is provided with insulating protection device 2, insulating protection device 2 includes insulating cover 20, insulating cover 20's bottom integrated into one piece has the bottom surface to support stop collar 21 on arrester main part 1 top surface, stop collar 21's bottom integrated into one piece has the cover to establish lag 22 on arrester main part 1, utilize insulating cover 20, stop collar 21 and lag 22 realize protecting arrester main part 1's top, can avoid the rainwater to enter into the inside of arrester main part 1 from the top of arrester main part 1.

In this embodiment, integrated into one piece has the threading pipe 23 that is linked together with insulating cover 20 inside on the annular side of insulating cover 20, is convenient for pass the cable through threading pipe 23 after carry out the wiring operation, and threading pipe 23 is 45 degrees to 75 degrees settings of downward sloping, makes the rainwater can not enter into insulating cover 20 along threading pipe 23 in.

Specifically, integrated into one piece has rubber cover 24 on the bottom barrel of lag 22, and rubber cover 24 and the chute boot 10 that is located the top between fixed connection conveniently carry out the fixed mounting operation to insulating protection device 2.

Furthermore, a plurality of through holes 25 communicated with the outside are formed in the rubber cover 24 and the umbrella cover 10 positioned at the top, so that the rubber cover 24 is conveniently and fixedly installed on the umbrella cover 10 by using fastening screws.

In addition, the hole wall of the through hole 25 is integrally formed with a built-in sleeve 26, two ends of the built-in sleeve 26 are integrally formed with end limiting rings 27, the two end limiting rings 27 are respectively located at two end hole openings of the through hole 25, the through hole 25 is protected by the built-in sleeve 26, and when an external fastening screw penetrates through the built-in sleeve 26, the rubber of the rubber cover 24 and the rubber of the through hole 25 of the umbrella cover 10 are not easily damaged.

This embodiment is in specific use, pass the cable through wires pipe 23 and operate at first, after the wiring operation, again with insulating cover 20, stop collar 21 and lag 22 cover are on arrester main part 1, and guarantee that the bottom surface of stop collar 21 supports on the top surface of arrester main part 1, guarantee lag 22 cover top position department at arrester main part 1 simultaneously, finally, use fastening screw to pass built-in sleeve 26 in rubber cover 24 and the chute boot 10, accomplish fixed operation, at this moment, insulating cover 20, stop collar 21 and lag 22 can protect the top of arrester main part 1 inside, play waterproof protection operation.

Example 2

Referring to fig. 4-5, the difference between the present embodiment and embodiment 1 is: the end of threading pipe 23 is provided with bunch subassembly 3, and bunch subassembly 3 includes insulator ring 30 of fixed mounting on the terminal body of threading pipe 23, and threaded connection has pressure bolt 32 on the insulator ring 30, and pressure bolt 32's terminal fixed mounting has the pressure pad 33, through screwing up pressure bolt 32, makes pressure pad 33 compress tightly on the cable on threading pipe 23, is convenient for retrain the operation to the cable.

In this embodiment, fixed mounting has insulating pad 31 on the inner wall of insulating ring 30, and insulating pad 31 adopts rubber materials to make, and through the insulating pad 31 that sets up, can play insulating effect, and through the insulating pad 31 that sets up, does benefit to the frictional force between increase and the cable, makes the cable be in the difficult gliding condition that appears in threading pipe 23.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an arrester with protective structure, includes arrester main part (1) and a plurality of be linear equidistant chute boot (10) of setting on arrester main part (1), its characterized in that: the top position department of arrester main part (1) is provided with insulating protection device (2), insulating protection device (2) are including insulating cover (20), the bottom fixed mounting of insulating cover (20) has the bottom surface to support stop collar (21) on arrester main part (1) top surface, the bottom fixed mounting of stop collar (21) has the cover to establish lag (22) on arrester main part (1), on the annular side of insulating cover (20) fixed mounting have with inside threading pipe (23) that are linked together of insulating cover (20).

2. The surge arrester with protective structure according to claim 1, wherein: the threading pipe (23) is arranged by inclining downwards by 45 degrees to 75 degrees.

3. The surge arrester with protective structure according to claim 1, wherein: the umbrella is characterized in that a rubber cover (24) is fixedly mounted on the bottom end barrel body of the protecting sleeve (22), and the rubber cover (24) is fixedly connected with the umbrella cover (10) which is positioned on the top.

4. The surge arrester with protective structure according to claim 3, wherein: the umbrella cover is characterized in that a plurality of through holes (25) communicated with the outside are formed in the rubber cover (24) and the umbrella cover (10) positioned at the top.

5. The surge arrester with protective structure according to claim 4, wherein: the hole wall of the through hole (25) is fixedly provided with a built-in sleeve (26), two ends of the built-in sleeve (26) are integrally formed with end limiting rings (27), and the two end limiting rings (27) are respectively positioned at the hole openings at the two ends of the through hole (25).

6. The surge arrester with protective structure according to claim 1, wherein: the end of threading pipe (23) is provided with bunch subassembly (3), bunch subassembly (3) are including fixed mounting insulator ring (30) on the terminal body of threading pipe (23), threaded connection has clamp bolt (32) on insulator ring (30), the terminal fixed mounting of clamp bolt (32) has compressing pad (33).

7. The arrester with protective structure of claim 6, characterized in that: and an insulating pad (31) is fixedly arranged on the inner wall of the insulating ring (30).

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