CN216489747U

CN216489747U - Outdoor three-phase combined overvoltage protector

Info

Publication number: CN216489747U
Application number: CN202123010495.0U
Authority: CN
Inventors: 白金强; 张娟
Original assignee: Baoding Jinshi Electric Science And Technology Co ltd
Current assignee: Baoding Jinshi Electric Science And Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-10
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses an outdoor three-phase combined overvoltage protector, which comprises a protector and an insulator, and also comprises a preassembly mechanism and a plugging mechanism, wherein the preassembly mechanism comprises a column casing, a column, a receiving plate, a mounting plate, a perforation, a pin hole A, a pin hole B and a bolt, the outer wall of the protector is fixedly connected with the column casing, the column casing is embedded into the column casing, the column casing is fixedly connected with the surface of the receiving plate, the column casing of the preassembly mechanism is arranged outside the protector, after the mounting plate is pasted outside the frame body, a bolt is screwed into the frame body from the perforation to fix the mounting plate, the column casing outside the protector is sleeved towards the column casing on the surface of the receiving plate, then the bolt is inserted into the pin hole A of the column casing and the pin hole B of the column casing to complete installation, when the protector is disassembled, the protector can be upwards lifted from the receiving plate to complete disassembly only by pulling out the bolt, the protector with the pre-installation mode is convenient to disassemble and assemble.

Description

Outdoor three-phase combined overvoltage protector

Technical Field

The utility model relates to an overvoltage protection device technical field, in particular to outdoor three-phase combination formula overvoltage protection device.

Background

All the appliances are most vulnerable to the over-high and under-low voltage of the power grid when in use, both industrial equipment and household appliances have a rated voltage, and the voltage range is conventionally set to be 170V-240V (can be seen on the nameplates or specifications of the appliances). If the voltage exceeds the insulation strength and the voltage withstanding value of the electric appliance, the electric appliance can generate heat, break down and burn out or even fire. The conditions that a large number of electric appliances in a large area are burnt out and burnt out are caused by unstable voltage and overhigh and overlow voltage caused by the fact that a zero line is stolen, equipment is aged, technical faults, artificial faults, natural disasters, power failure and power on again and the like, people have serious losses and no claim, and people have a good over-voltage, over-voltage and under-voltage protector (also called an electric appliance protector) is additionally arranged to prevent electric fires and protect life and property safety after the fact that the people suffer from over-voltage, over-voltage and under-voltage.

Patent No. CN200920045755.8 is an outdoor 10KV combined overvoltage protector, which adopts a three-phase four-column structure, and mainly includes four protection elements, the external parts of which adopt high-voltage insulators, both ends are provided with wiring terminals, one ends of the protection elements are connected by star connection, wherein three of them are installed above the bracket, the other ends of them are respectively connected into the A, B, C three phases of the protected device, the remaining one protection element is installed below the bracket, the other end is connected with the grounding seat, a discharge gap is left between the grounding seats, and four protection branches are formed. The utility model discloses a not only can restrict the atmosphere overvoltage, can also restrict operation overvoltage and other transient state overvoltages, at the colleague of restriction looks-ground overvoltage, carry out effective restriction to alternate overvoltage again, be applicable to 10KV circuit and can be in outdoor direct mount, small, resistant filthy, through-flow capacity is big, reliability and security height.

1. The outdoor three-phase combined overvoltage protector in the prior art can protect a circuit, a shell of the overvoltage protector is locked outside a frame body by means of bolts, the shell of the overvoltage protector is difficult to disassemble when the bolts are corroded, a good pre-assembling mechanism is not arranged at the position of the overvoltage protector, and the voltage protector cannot be rapidly disassembled and assembled.

2. The outdoor three-phase combined overvoltage protector in the prior art can protect a circuit, and a shell of the overvoltage protector is lack of a better plugging mechanism and cannot be plugged with an insulator cylinder better.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an outdoor three-phase combined overvoltage protection device, which can effectively solve the problems of the background art.

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

the utility model provides an outdoor type three-phase combination formula overvoltage protector, includes protector and insulator, still includes pre-installation mechanism and grafting mechanism, pre-installation mechanism comprises a column casing, stand, accepts board, mounting panel, perforation, pinhole A, pinhole B and bolt, the outer wall department fixedly connected with column casing of protector, and the inside embedding of column casing has the stand, stand fixed connection is in accepting the surface of board, and just accepts plate body one side of board and be provided with the mounting panel, and the surface of mounting panel has seted up the perforation, the surface of column casing is run through and has been seted up pinhole A, pinhole B has been seted up to stand department between the pinhole A, and has inserted the bolt between pinhole A and the pinhole B, be provided with grafting mechanism between the top of protector and the insulator, and grafting mechanism comprises snap ring A, splice bar, snap ring B and dull polish bump.

Furthermore, snap ring A is arranged on the outer side of the top end socket of the protector, a connecting rib is fixedly connected between the top end of the snap ring A and the snap ring B, and frosted bumps are arranged on the inner wall of the snap ring B.

Furthermore, the middle part of the pin body of the pin is provided with three groups of protruding rubber edges, and the surface of the pin is provided with three groups of protruding rubber edges; the bolt is firmly embedded with the pin hole A and the pin hole B by means of the glue edge in the middle.

Furthermore, the sizes of the ring holes of the clamp ring A and the clamp ring B are matched with the size of a cylinder at the bottom end of the insulator; the clamping ring A and the clamping ring B which are adaptive in size and the insulator can be well embedded.

Furthermore, three groups of upright columns are arranged on the surface of the bearing plate, and three groups of column sleeves outside the protector are arranged; the bearing plate is connected with the column sleeves outside the protector in a multi-point embedded mode through a plurality of columns.

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

1. the utility model discloses a be provided with the column casing of pre-installation mechanism in the outside of protector, paste the mounting panel behind the frame body outside, use the bolt to carry out the fixed of mounting panel from perforation department screw in frame body department, the column casing in the protector outside is to accepting the stand cover on board surface this moment, then accomplish the installation between the pinhole B of the pinhole A of inserting the column casing with the bolt and stand, only need extract the bolt when the protector dismantles alright follow and accept board department and upwards mention the protector and accomplish the dismantlement, this kind of pre-installation's protector dismouting is comparatively convenient, there is the unable problem of dismantling of bolt corrosion yet.

2. The utility model discloses a be provided with grafting mechanism between protector and insulator, behind the fixed snap ring A in the interface outside of protector, snap ring B is connected with snap ring A with the help of the splice bar, and the bottom cylinder of insulator runs through in snap ring B and the snap ring A embedding protector back, and snap ring B department has the dull polish bump to increase contact friction for snap ring B department can be better block the insulator, and the grafting fastness between protector and the insulator can be increased to the two sections joint structure that snap ring B and snap ring A formed simultaneously.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an outdoor three-phase combined overvoltage protector of the present invention.

Fig. 2 is an exploded view of a pre-assembly mechanism of the outdoor three-phase combined overvoltage protector of the present invention.

Fig. 3 is the utility model discloses an outdoor three-phase combined overvoltage protector's insulator and protector split sketch map.

Fig. 4 is a schematic structural diagram of an insertion mechanism of the outdoor three-phase combined overvoltage protector of the present invention.

In the figure: 1. a protector; 2. an insulator; 3. a preassembly mechanism; 301. a column casing; 302. a column; 303. a bearing plate; 304. mounting a plate; 305. perforating; 306. a pin hole A; 307. a pin hole B; 308. a bolt; 4. a plug-in mechanism; 401. a snap ring A; 402. connecting ribs; 403. a snap ring B; 404. and sanding the salient points.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an outdoor three-phase combined overvoltage protector comprises a protector 1 and an insulator 2, and further comprises a pre-assembly mechanism 3 and an insertion mechanism 4, wherein the pre-assembly mechanism 3 comprises a column 301, a column 302, a bearing plate 303, an installation plate 304, a through hole 305, a pin hole a306, a pin hole B307 and a pin 308, the column 301 is fixedly connected to an outer wall of the protector 1, the column 302 is embedded in the column 301, the column 302 is fixedly connected to a surface of the bearing plate 303, the installation plate 304 is arranged on one side of a plate body of the bearing plate 303, the through hole 305 is arranged on a surface of the installation plate 304, the pin hole a306 is arranged on a surface of the column 301 in a penetrating manner, the pin hole B307 is arranged on the column 302 between the pin holes a306, the pin hole 308 is inserted between the pin hole a306 and the pin hole B307, the insertion mechanism 4 is arranged between a top end of the protector 1 and the insulator 2, the inserting mechanism 4 is composed of a snap ring a401, a connecting rib 402, a snap ring B403 and a frosted bump 404.

A snap ring A401 is arranged on the outer side of the top end socket of the protector 1, a connecting rib 402 is fixedly connected between the top end of the snap ring A401 and a snap ring B403, and frosted bumps 404 are protruded on the inner wall of the snap ring B403.

Wherein, the middle part of the pin body of the pin 308 is protruded with three groups of rubber edges, and the surface of the pin 308 is protruded with three groups of rubber edges; the pin 308 is firmly fitted into the pin holes a306 and B307 by a middle rubber rib.

The sizes of the ring holes of the clamp ring A401 and the clamp ring B403 are matched with the size of the bottom cylinder of the insulator 2; the snap ring a401 and the snap ring B403 which are adapted in size and the insulator 2 can be fitted well.

Three groups of upright columns 302 are arranged on the surface of the bearing plate 303, and three groups of column sleeves 301 outside the protector 1 are arranged; the receiving plate 303 is connected to the column casing 301 outside the protector 1 by fitting at a plurality of points via a plurality of columns 302.

It should be noted that, the utility model relates to an outdoor three-phase combined overvoltage protector, the outer side of the protector 1 is provided with the cylinder 301 of the pre-assembly mechanism 3, after the mounting plate 304 is pasted outside the frame, the bolt is screwed into the frame from the perforation 305 to fix the mounting plate 304, at this time, the cylinder 301 outside the protector 1 is sleeved to the upright post 302 on the surface of the bearing plate 303, then the bolt 308 is inserted between the pin hole A306 of the cylinder 301 and the pin hole B307 of the upright post 302 to complete the installation, when the protector 1 is disassembled, the bolt 308 can be pulled out to lift the protector 1 upwards from the bearing plate 303 to complete the disassembly, the disassembly of the protector 1 in the pre-assembly mode is convenient, the problem that the bolt is rusted and can not be disassembled is avoided, the inserting mechanism 4 is arranged between the protector 1 and the insulator 2, after the clamp ring A401 is fixed outside the inserting port of the protector 1, the clamp ring 403B is connected with the clamp ring A401 by means of the connecting rib 402, after the bottom cylinder of insulator 2 runs through in snap ring B403 and the snap ring A401 embedding protector 1, snap ring B403 department has dull polish bump 404 to increase contact friction for snap ring B403 department can be better block insulator 2, and the grafting fastness between protector 1 and the insulator 2 can be increased to the two sections joint structure that snap ring B403 and snap ring A401 formed simultaneously.

It should be noted that the utility model relates to an outdoor three-phase combined overvoltage protector, which comprises a protector 1; 2. an insulator; 3. a preassembly mechanism; 301. a column casing; 302. a column; 303. a bearing plate; 304. mounting a plate; 305. perforating; 306. a pin hole A; 307. a pin hole B; 308. a bolt; 4. a plug-in mechanism; 401. a snap ring A; 402. connecting ribs; 403. a snap ring B; 404. the sanding bumps and components are either standard parts or parts known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an outdoor type three-phase combination formula overvoltage protection device, includes protector (1) and insulator (2), its characterized in that: the device is characterized by further comprising a pre-assembly mechanism (3) and an insertion mechanism (4), wherein the pre-assembly mechanism (3) is composed of a cylindrical shell (301), an upright post (302), a bearing plate (303), a mounting plate (304), a through hole (305), a pin hole A (306), a pin hole B (307) and a plug pin (308), the cylindrical shell (301) is fixedly connected to the outer wall of the protector (1), the upright post (302) is embedded into the cylindrical shell (301), the upright post (302) is fixedly connected to the surface of the bearing plate (303), the mounting plate (304) is arranged on one side of a plate body of the bearing plate (303), the through hole (305) is formed in the surface of the mounting plate (304), the pin hole A (306) is formed in the surface of the cylindrical shell (301) in a penetrating mode, the pin hole B (307) is formed in the upright post (302) between the pin holes A (306), and the plug pin hole (308) is inserted between the pin hole A (306) and the pin hole B (307), an inserting mechanism (4) is arranged between the top end of the protector (1) and the insulator (2), and the inserting mechanism (4) is composed of a clamping ring A (401), a connecting rib (402), a clamping ring B (403) and a frosted bump (404).

2. The outdoor three-phase combined overvoltage protector according to claim 1, wherein: the top interface outside of protector (1) is provided with snap ring A (401), and fixedly connected with splice bar (402) between the top of snap ring A (401) and snap ring B (403), the annular inner wall department arch of snap ring B (403) has dull polish bump (404).

3. The outdoor three-phase combined overvoltage protector according to claim 1, wherein: the middle part of the pin body of the plug pin (308) is provided with three groups of protruding rubber edges, and the surface of the plug pin (308) is provided with three groups of protruding rubber edges.

4. The outdoor three-phase combined overvoltage protector according to claim 1, wherein: the sizes of the ring holes of the snap ring A (401) and the snap ring B (403) are matched with the size of the bottom end cylinder of the insulator (2).

5. The outdoor three-phase combined overvoltage protector according to claim 1, wherein: three groups are arranged on the surface of the bearing plate (303) of the upright column (302), and three groups are arranged on the column casing (301) outside the protector (1).