CN219937919U

CN219937919U - Zinc oxide lightning arrester

Info

Publication number: CN219937919U
Application number: CN202320622622.2U
Authority: CN
Inventors: 黎茂凯; 黎曼
Original assignee: Hunan Xingcheng Electrical Porcelain Electric Appliance Co ltd
Current assignee: Hunan Xingcheng Electrical Porcelain Electric Appliance Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-10-31
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to the technical field of lightning arresters, in particular to a zinc oxide lightning arrester which comprises a core rod and a zinc oxide lightning arrester outer sleeve arranged outside the core rod, wherein a screw rod is fixedly arranged at the bottom end of the core rod, a pulling thick wire for pulling and limiting is fixedly arranged at the top end of the core rod, an end hook is fixedly arranged at the tail end of the pulling thick wire, a limiting pressing device is arranged on the top surface of a tail end plate body of the end hook, the limiting pressing device comprises a Bao Tuzhu fixedly arranged on the end hook in a vertical mode, a stud is hinged to the top surface of the Bao Tuzhu through a hinge, a nut is connected to the stud in a threaded manner, the nut is sleeved on the Bao Tuzhu, a cable is pressed on the inner surface of the end hook by the nut, a pulling steel belt is sleeved outside the pulling thick wire, and an insulating sleeve is arranged on the surface of the pulling steel belt. The utility model is convenient for installation operation, does not limit the installation mode and is convenient for use.

Description

Zinc oxide lightning arrester

Technical Field

The utility model relates to the technical field of lightning arresters, in particular to a zinc oxide lightning arrester.

Background

The zinc oxide arrester is a arrester with good protection performance, when overvoltage acts, the resistance drops sharply, the overvoltage energy is discharged, the protection effect is achieved, the types of the zinc oxide arresters in the market are more, the two ends of most of the zinc oxide arresters are fixedly provided with vertical screws, and the zinc oxide arresters can be fixedly arranged on corresponding boxes and supports in a vertical mode by matching with nuts;

the utility model patent with the publication number of CN106816242B discloses a composite outer sleeve zinc oxide lightning arrester, which comprises a detacher and an insulating bracket; the upper end of the separator passes through one end of the insulating bracket and is connected with the lower wiring terminal; the lower end of the separator is connected with a ground wire or a metal circuit tower through a ground lead; the other end of the insulating bracket is fixedly connected with the circuit tower; the core body comprises a zinc oxide resistor disc column, an upper electrode connected with the upper end of the zinc oxide resistor disc column, and a lower electrode connected with the lower end of the zinc oxide resistor disc column; the upper electrode is connected with the upper wiring terminal, and the lower electrode is connected with the lower wiring terminal; an insulating sleeve is sleeved outside the zinc oxide resistor disc column; a wireless temperature sensor is also arranged between the insulating sleeve and the composite outer sleeve; an insulating umbrella skirt is arranged outside the composite jacket.

Although this technical scheme has high temperature control and explosion-proof function, be applicable to the advantage of high-voltage circuit, but this technical scheme is when specifically using, the screw rod of its both ends on is vertical form, when installing its both ends on external box and support body that corresponds, must keep the mounted position on box and the support body on same vertical axis, just can carry out the installation operation, when the mounted position on the support body has the displacement in vertical direction with the mounted position on the box, can cause the arrester to be unable to be the slope form and carry out the installation operation, can restrict the installation scope of arrester because the mounting means of arrester, bring inconvenience for the user. In view of this, we propose a zinc oxide arrester.

Disclosure of Invention

The utility model aims to provide a zinc oxide lightning arrester, which solves the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a zinc oxide arrester, includes the plug and sets up the zinc oxide arrester overcoat outside the plug, the bottom fixed mounting of plug has the screw rod, the top fixed mounting of plug has the thick wire of traction that is used for the traction spacing, the terminal fixed mounting of the thick wire of traction has the tip couple, be provided with spacing closing device on the terminal plate body top surface of tip couple, spacing closing device is including being vertical form fixed mounting Bao Tuzhu on the tip couple, there is the double-screw bolt through the hinge on Bao Tuzhu's the top surface, threaded connection has the nut on the double-screw bolt, the nut cover is established on Bao Tuzhu, the nut compresses tightly the cable on the internal surface of tip couple.

Preferably, the screw is fixedly installed on the box body of the external transformer through a nut, and is used for completing the fixed installation operation.

Preferably, the external sleeve of the coarse lead is provided with a traction steel belt, and the traction steel belt is used for improving the traction strength of the coarse lead and preventing the coarse lead from being broken.

Preferably, an insulation sleeve is arranged on the surface of the traction steel belt, and the insulation sleeve is used for insulation protection.

Preferably, the end of the stud is fixedly provided with an end anti-drop disc, and the end anti-drop disc is used for preventing the nut from dropping off from the end of the stud.

Preferably, a washer is sleeved on the stud, the washer is in sliding connection with the Bao Tuzhu, and the washer is used for preventing the nut from loosening.

Preferably, the side surface of the nut is fixedly provided with a compression ring through a plurality of connecting rods which are arranged at equal intervals, and the compression ring is used for compressing cables with different outer diameters.

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

1. according to the utility model, the screw rod is conveniently and directly fixedly arranged on the external box body through the arranged screw rod, and the set traction thick wire is beneficial to fixedly arranging the tail end of the traction thick wire at any position within a certain range due to deformation of the traction thick wire, so that the installation operation can be carried out conveniently even if the tail end of the traction thick wire is displaced in the vertical direction between the box body and the frame body, the installation operation of the rod can not be limited, the rod can only be vertically arranged, the use is convenient, the problem that the conventional zinc oxide arrester is inconvenient for a user because the installation mode of the arrester limits the installation range of the arrester when the two end parts of the rod are vertically arranged on the box body and the frame body corresponding to the outside is solved, and the installation operation can only be carried out by keeping the installation positions of the box body and the frame body on the same vertical axis when the installation position on the frame body and the installation position on the box body are displaced in the vertical direction.

2. According to the utility model, the stud is rotated to one side along the hinge on the Bao Tuzhu, so that the cable is conveniently clamped in the end pothook, then the stud is rotated to be vertical, then the nut is screwed to be sleeved on the Bao Tuzhu, the stud can not be easily rotated, and meanwhile, the cable clamped in the end pothook can be compressed by the compression ring, so that the cable clamping device is convenient to use.

Drawings

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

FIG. 2 is a schematic view of a limit pressing device according to the present utility model;

fig. 3 is an exploded view of the spacing and compressing device of the present utility model.

The meaning of each reference numeral in the figures is:

1. a core rod; 10. zinc oxide arrester jacket; 11. a screw; 12. pulling the thick wire; 121. pulling the steel belt; 122. an insulating sleeve;

2. an end pothook;

3. a limit pressing device; 30. bao Tuzhu; 31. a stud; 32. an end part anti-drop disc; 33. a gasket; 34. a nut; 35. a connecting rod; 36. and a clamp ring.

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, the present utility model provides a technical solution: the zinc oxide arrester comprises a core rod 1 and a zinc oxide arrester jacket 10 arranged outside the core rod 1, wherein a screw rod 11 is fixedly arranged at the bottom end of the core rod 1, and the screw rod 11 is fixedly arranged on a box body of an external transformer through a nut and used for completing fixed installation operation; specifically, the screw 11 is inserted into a through hole in an external box body, and then the nut is screwed on the screw 11, so that the core rod 1 and the nut respectively prop against two side surfaces of a plate body on the external box body, and the fixed installation operation is completed;

specifically, the top fixed mounting of plug 1 has the thick wire 12 of traction that is used for the traction spacing, the end fixed mounting who pulls thick wire 12 has tip couple 2, be provided with spacing closing device 3 on the tip plate body top surface of tip couple 2, spacing closing device 3 is including being vertical form fixed mounting Bao Tuzhu on tip couple 2, there is double-screw bolt 31 through the hinge on Bao Tuzhu 30's the top surface, threaded connection has nut 34 on the double-screw bolt 31, nut 34 cover is established on Bao Tuzhu, nut 34 compresses tightly the cable on the internal surface of tip couple 2, the convenience is when using, hang tip couple 2 on external support body or cable and accomplish fixed mounting operation, in addition because the thick wire 12 of traction can take place deformation, make can fix tip couple 2 in the optional position department of certain within a certain range, facilitate the use.

In this embodiment, the pulling steel belt 121 is sleeved outside the pulling thick wire 12, and the pulling steel belt 121 is used for improving the pulling strength of the pulling thick wire 12 and preventing the pulling-off.

Specifically, the surface of the pulling strip 121 is provided with an insulation sleeve 122, and the insulation sleeve 122 is used for insulation protection.

Further, an end portion anti-drop disc 32 is fixedly mounted at the end of the stud 31, the outer diameter of the end portion anti-drop disc 32 is larger than the inner diameter of the nut 34, and the end portion anti-drop disc 32 is used for preventing the nut 34 from dropping off from the end of the stud 31.

In addition, the stud 31 is sleeved with a washer 33, the washer 33 is connected with the Bao Tuzhu 30 in a sliding way, the washer 33 is pressed on the end hook 2 by the nut 34, and the washer 33 is used for preventing the nut 34 from loosening.

It should be noted that, the side surface of the nut 34 is fixedly provided with a compression ring 36 through a plurality of connecting rods 35 arranged at equal intervals, and the compression ring 36 is used for compressing cables with different outer diameters.

When the zinc oxide arrester is used, firstly, the screw 11 is fixedly arranged on an external box body in cooperation with the nut, then the end pothook 2 is hung on a corresponding external frame body or a cable, and the end pothook 2 can be fixed at any position in the range within the length range of the thick lead 12 because the thick lead 12 can be deformed;

when the cable is required to be clamped in the end pothook 2, the nut 34 is firstly unscrewed, the nut 34 and the gasket 33 are not sleeved on the Bao Tuzhu any more, at this time, the stud 31 can rotate to one side along the hinge part on the nut, so that the cable can be smoothly clamped in the end pothook 2, the stud 31 is rotated to be vertical, the nut 34 is screwed, the nut 34 and the gasket 33 are sleeved on the Bao Tuzhu, limiting of the stud 31 is realized, the stud 31 cannot rotate at will, and after the nut 34 is screwed, the compression ring 36 can be compressed on the cable clamped in the end pothook 2, so that the fixing operation is completed, and the use is convenient.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a zinc oxide arrester, includes plug (1) and sets up at the outside zinc oxide arrester overcoat (10) of plug (1), its characterized in that: the utility model discloses a cable structure, including core rod (1), including end plate body, nut (34) cover, screw rod (11) are installed to the bottom fixed mounting of core rod (1), the top fixed mounting of core rod (1) has a thick wire (12) of pulling that is used for pulling spacing, the end fixed mounting of thick wire (12) has end couple (2), be provided with spacing closing device (3) on the terminal plate body top surface of end couple (2), spacing closing device (3) are including being vertical form fixed mounting Bao Tuzhu (30) on end couple (2), there is double-screw bolt (31) on the top surface of Bao Tuzhu (30) through the hinge, threaded connection has nut (34) on double-screw bolt (31), nut (34) cover is established on Bao Tuzhu (30), nut (34) compress tightly the cable on the internal surface of end couple (2).

2. A zinc oxide arrester according to claim 1, characterized in that: the screw (11) is fixedly arranged on the box body of the external transformer through a nut and is used for finishing the fixed installation operation.

3. A zinc oxide arrester according to claim 1, characterized in that: the external sleeve of the thick lead (12) is provided with a pulling steel belt (121), and the pulling steel belt (121) is used for improving the pulling strength of the thick lead (12) and preventing the pulling-off.

4. A zinc oxide arrester according to claim 3, characterized in that: the surface of the traction steel belt (121) is provided with an insulating sleeve (122), and the insulating sleeve (122) is used for insulating protection.

5. A zinc oxide arrester according to claim 1, characterized in that: an end anti-drop disc (32) is fixedly arranged at the tail end of the stud (31), and the end anti-drop disc (32) is used for preventing the nut (34) from dropping off from the tail end of the stud (31).

6. The zinc oxide arrester of claim 5, wherein: the stud (31) is sleeved with a washer (33), the washer (33) is connected with the Bao Tuzhu (30) in a sliding mode, and the washer (33) is used for preventing the nut (34) from loosening.

7. A zinc oxide arrester according to claim 1, characterized in that: the side of the nut (34) is fixedly provided with a compression ring (36) through a plurality of connecting rods (35) which are arranged at equal intervals, and the compression ring (36) is used for compressing cables with different outer diameters.