CN214255702U

CN214255702U - Overvoltage protector

Info

Publication number: CN214255702U
Application number: CN202023323594.XU
Authority: CN
Inventors: 车莉莉
Original assignee: Anhui Pinduo Electric Technology Co ltd
Current assignee: Anhui Pinduo Electric Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-21
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an overvoltage protector, which belongs to the technical field of protectors and comprises a protector body consisting of an insulator and a current-limiting element, wherein the insulator is connected with the top of the current-limiting element through an upper connecting plate, the bottom of the current-limiting element is connected through a base, the top end of the current-limiting element is also provided with a connecting hook for connecting an electric network, and the bottom end of the current-limiting element is provided with a grounding wire; the connecting hook comprises a lower hook seat and an upper hook claw, the upper hook claw is movably connected with the lower hook seat and controlled by an adjusting mechanism arranged at the bottom end of the connecting hook, and the lower hook seat and the upper hook claw are opened and closed. The current limiting element is provided with the connecting hook, so that the current limiting element can be conveniently hung on a power grid line, the upper hook claw and the lower hook seat of the connecting hook can be driven to open and close through the adjusting mechanism, the power grid line can be conveniently and tightly clamped, the installation and the disassembly are convenient, and the adjusting mechanism is arranged below the connecting hook and is convenient for a user to operate.

Description

Overvoltage protector

Technical Field

The utility model relates to a protector technical field, in particular to overvoltage protection device.

Background

The overvoltage protector is an advanced protection electric appliance for limiting lightning overvoltage and operating overvoltage, and is mainly used for protecting the insulation of electric equipment such as a generator, a transformer, a switch, a bus, a motor and the like from being damaged by the overvoltage. Corresponding to the high-voltage mode of the surge protector. Belongs to a partial substitute of a lightning arrester, and has the function of the lightning arrester which is equivalent to the lightning arrester but different from the traditional lightning arrester.

The overvoltage protector generally needs to be connected to a power grid through a line, so that the requirement on the material of the line is high, otherwise, a connecting lead is easily broken through by high voltage or melted by heat generated by high voltage, so that the cost of the overvoltage protector is increased, the overvoltage protector is not safe and reliable enough, and a base of the general overvoltage protector is fixed only through bolts and is not stable enough and is not suitable for different installation surfaces.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not stable enough just to lie in connecting the electric wire netting in order to solve above-mentioned overvoltage protector, and is with high costs, has the potential safety hazard and installs inconvenient problem and provide an overvoltage protector, has to be connected with the electric wire netting and dismantles conveniently, practices thrift the cost, safe and reliable, base simple to operate's advantage.

The utility model discloses a technical scheme realizes above-mentioned purpose, an overvoltage protector, including the protector body that insulator and current-limiting element constitute, and the insulator with the current-limiting element top is connected through the upper junction plate, the bottom is connected through the base, the top of current-limiting element still installs the connection couple for insert the electric wire netting, the bottom installs the earth connection;

the connecting hook comprises a lower hook seat and an upper hook claw, the upper hook claw is movably connected with the lower hook seat, and the lower hook seat and the upper hook claw are opened and closed under the control of an adjusting mechanism arranged at the bottom end of the connecting hook.

Preferably, the adjusting mechanism comprises a supporting tube arranged at the bottom end of the lower hook seat, a screw rod arranged at the bottom end of the upper hook claw and a thread rotating sleeve arranged at the bottom end of the supporting tube, and the screw rod penetrates through the supporting tube to be rotatably connected with the thread rotating sleeve.

Preferably, the top end and the bottom end of the threaded rotating sleeve are respectively and rotatably connected with the supporting tube and the flow limiting element.

Preferably, the base comprises lower connecting plates respectively connected with the insulator and the current limiting element, and the lower connecting plates are fixed through splicing bolts.

Preferably, the bottom of the lower connecting plate is provided with a supporting frame structure formed by sequentially connecting a plurality of single plates, adjacent single plates are hinged through a rotating shaft, and each single plate is vertically provided with a mounting bolt.

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

1. the current limiting element is provided with the connecting hook, so that the current limiting element can be conveniently hung on a power grid line, the upper hook claw and the lower hook seat of the connecting hook can be driven to open and close through the adjusting mechanism, the power grid line can be conveniently and tightly clamped, the installation and the disassembly are convenient, and the adjusting mechanism is arranged below the connecting hook and is convenient for a user to operate.

2. The supporting frame spliced by the single plates is arranged on the base, the height of the supporting frame can be adjusted by turning the single plates, the supporting frame can be conveniently adapted to different installation surfaces, and the base can be installed more firmly by adjusting the height of the supporting frame.

Drawings

Fig. 1 is a schematic view of the overall structure of the device of the present invention.

Fig. 2 is a schematic view of the structure of the connection hook of the present invention.

Fig. 3 is a schematic diagram of the turnover structure of the base single plate of the present invention.

Fig. 4 is the schematic diagram of the tiled structure of the base single plates of the present invention.

In the figure: 1. insulator, 2, current-limiting element, 3, upper connecting plate, 4, connecting hook, 5, base, 6, lower hook seat, 7, upper hook claw, 8, supporting tube, 9, screw rod, 10, threaded rotating sleeve, 11, lower connecting plate, 12, splicing bolt, 13, veneer, 14, rotating shaft, 15 and mounting bolt.

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 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, an overvoltage protector includes a protector body composed of an insulator 1 and a current limiting element 2, the top of the insulator 1 is connected with the top of the current limiting element 2 through an upper connecting plate 3, the bottom of the insulator is connected with the bottom of the current limiting element 2 through a base 5, a connecting hook 4 is further installed at the top end of the current limiting element 2 and used for being connected to a power grid, a ground wire is installed at the bottom end of the current limiting element and connected to the power grid through the connecting hook 4, and when overvoltage occurs in the power grid, large-voltage current can be conducted to the.

As shown in figure 2, the connecting hook 4 comprises a lower hook seat 6 and an upper hook claw 7, the upper hook claw 7 is movably connected with the lower hook seat 6, the opening and closing of the lower hook seat 6 and the upper hook claw 7 are realized under the control of an adjusting mechanism arranged at the bottom end of the connecting hook 4, the lower hook seat 6 is movably connected with the upper hook claw 7, the upper hook claw 7 can move up and down through the adjusting mechanism, so that the clamping effect is realized, after the upper hook claw 7 is hung on a power grid line, the upper hook claw 7 moves towards the lower hook seat 6 through the adjusting mechanism to clamp the line without an additional wire, the cost is saved, the installation is convenient, the adjusting mechanism comprises a support pipe 8 arranged at the bottom end of the lower hook seat 6, a screw rod 9 arranged at the bottom end of the upper hook claw 7 and a thread rotating sleeve 10 arranged at the bottom end of the support pipe 8, the screw rod 9 is rotatably connected with the thread rotating sleeve 10 through the support pipe 8, the top end and the bottom end of the thread rotating sleeve 10 are respectively rotatably connected with the support pipe 8 and the current limiting element 2, the adjusting mechanism rotates through the thread rotating sleeve 10 to realize the lifting of the screw rod 9, and the upper claw 7 is hung on a line and cannot rotate, so that the upper claw 7 can move up and down when the thread rotating sleeve 10 is rotated.

As shown in fig. 3, the base 5 includes lower connecting plates 11 respectively connecting the insulator 1 and the current limiting element 2, the lower connecting plates 11 are fixed by splicing bolts 12, the bottom of the lower connecting plates 11 is provided with a supporting frame structure formed by connecting a plurality of single plates 13 in sequence, the adjacent single plates 13 are hinged by a rotating shaft 14, and each single plate 13 is vertically provided with a mounting bolt 15, the single plates 13 can be conveniently turned over, different shapes can be selected according to different mounting surfaces of the base 5, as shown in fig. 1, when the mounting surface is not horizontal, the single plates 13 can be turned over to form an included angle with each other to be attached to the mounting surface, and by this way, the height of the supporting frame can be increased, and the mounting is convenient, as shown in fig. 2, when the mounting surface is horizontal, the single plates 13 can be rotated to be flat, so that the fixing on the horizontal plane is more stable, and the height of the supporting frame formed at this time is lower, therefore, the state of the single board 13 is selected according to the installation scene, and the user requirements are met.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An overvoltage protector comprises a protector body consisting of an insulator (1) and a current limiting element (2), wherein the top of the insulator (1) is connected with the top of the current limiting element (2) through an upper connecting plate (3), and the bottom of the insulator is connected with the bottom of the current limiting element through a base (5), and is characterized in that a connecting hook (4) is further installed at the top end of the current limiting element (2) and used for being connected to a power grid, and a grounding wire is installed at the bottom end of the current limiting element;

the connecting hook (4) comprises a lower hook seat (6) and an upper hook claw (7), the upper hook claw (7) is movably connected with the lower hook seat (6), and the lower hook seat (6) and the upper hook claw (7) are opened and closed under the control of an adjusting mechanism installed at the bottom end of the connecting hook (4).

2. An overvoltage protector according to claim 1, characterized in that the adjusting mechanism comprises a support tube (8) arranged at the bottom end of the lower hook base (6), a screw (9) arranged at the bottom end of the upper hook claw (7) and a threaded rotating sleeve (10) arranged at the bottom end of the support tube (8), the screw (9) passing through the support tube (8) and being rotatably connected with the threaded rotating sleeve (10).

3. An overvoltage protection device as claimed in claim 2 wherein said threaded rotating sleeve (10) is rotatably connected at its top and bottom ends to said support tube (8) and said current limiting element (2), respectively.

4. An overvoltage protection device according to claim 1, characterized in that the base (5) comprises lower connection plates (11) for connection of the insulator (1) and the current limiting element (2), respectively, the lower connection plates (11) being secured to each other by means of a splice bolt (12).

5. The overvoltage protection device according to claim 4, wherein a supporting frame structure formed by connecting a plurality of single plates (13) in sequence is installed at the bottom of the lower connecting plate (11), adjacent single plates (13) are hinged through a rotating shaft (14), and each single plate (13) is vertically provided with a mounting bolt (15).