CN218070433U

CN218070433U - Overvoltage protection device for battery series charging and discharging equipment

Info

Publication number: CN218070433U
Application number: CN202222081974.XU
Authority: CN
Inventors: 黄泽成; 王伟建
Original assignee: Guangzhou Blue Key Electrics Industry Co ltd
Current assignee: Guangzhou Blue Key Electrics Industry Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-12-16
Anticipated expiration: 2032-08-09

Abstract

The utility model belongs to the technical field of overvoltage protector technique and specifically relates to an overvoltage protector for battery series connection charging and discharging equipment, including overvoltage protector, fixed shell and fixing bolt, the equal fixed connection fixed shell of overvoltage protector upper end and lower extreme, fixed shell inboard rear end fixedly connected with fixed block rubber, the inboard front end sliding connection of fixed shell has the mobile block rubber, the utility model discloses in, through the mobile block rubber that sets up, press and hold board, fixed block rubber and fixed shell for the device can carry out spacingly to the power cord when sealing up power cord and the position that overvoltage protector connects to the fixed in-process is connected to power cord and overvoltage protector, carries out spacing problem to the power cord when solving original device and can not seal up power cord and the position that overvoltage protector is connected to power cord and overvoltage protector at the in-process of connecting fixed is connected to power cord and overvoltage protector.

Description

Overvoltage protection device for battery series charging and discharging equipment

Technical Field

The utility model relates to an overvoltage protector technical field specifically is an overvoltage protector for battery series connection charging and discharging equipment.

Background

When all electric appliances are used, the voltage of a power grid is most forbidden to be too high or too low, both industrial equipment and household electric appliances have a rated voltage, the voltage range is generally specified to be 170V-240V (can be seen on a nameplate or a specification of the electric appliances), if the voltage exceeds the insulation strength and the withstand voltage value of the electric appliances, the electric appliances can generate heat and break down to burn out or even fire, however, most overvoltage protection devices for battery series charging and discharging equipment in the market are not used for sealing and further fixing the connection position of a power line and the overvoltage protection device by rotating a fixing bolt to drive a movable rubber block to fix the power line in the actual use process, and therefore, the overvoltage protection device for the battery series charging and discharging equipment is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overvoltage protector for battery series connection charging and discharging equipment makes it carry on spacingly to the power cord when sealing up the position that power cord and overvoltage protector are connected at the in-process of connecting power cord and overvoltage protector.

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

the utility model provides an overvoltage protector for battery series connection charging and discharging equipment, includes overvoltage protector, fixed shell and fixing bolt, the equal fixed connection fixed shell of overvoltage protector upper end and lower extreme, fixed shell inboard rear end fixedly connected with solid fixed rubber piece, the inboard front end sliding connection of fixed shell has the removal rubber piece, the board is held to the one end fixedly connected with pressure that the removal rubber piece is close to overvoltage protector, the fixed current conducting plate fixedly connected with power cord is held in the cooperation of board rear end to the pressure, the board front end is held in the pressure and is rotated and be connected with fixing bolt, fixing bolt and overvoltage protector front end screwed connection, and fixing bolt sets up inside overvoltage protector.

Preferably, the fixed conducting plate and the pressing plate are provided with limit grooves at one ends close to the power line, and the fixed conducting plate and the pressing plate are arranged in a front-back parallel manner.

Preferably, be the setting of front and back symmetry with the central point positional center of fixed shell between fixed block rubber and the removal block rubber, the power cord sets up the position between fixed block rubber and removal block rubber, fixed block rubber and fixed shell inner wall fixed connection, remove block rubber and fixed shell inner wall sliding connection.

Preferably, the positions of the upper sides and the lower sides of the left end and the right end of the overvoltage protection device are rotatably connected with a fixed shaft through a return spring, a fixed plate is fixedly connected to the outer side of the fixed shaft, a fixed hole is formed in the top end of the fixed plate, and a cushion block is fixedly connected to the fixed plate.

Preferably, when the overvoltage protection device is fixed on the wall surface through the fixing plate, the cushion block fixedly connected to the fixing plate is tightly attached to the wall surface.

Preferably, the number of the fixed shells is two, the fixed shells are arranged in an up-down parallel mode by taking the central point of the overvoltage protection device as the central point, and the positions of the openings at the left end and the right end of each fixed shell correspond to the fixing bolts in the spiral connection at the inner sides of the overvoltage protection devices one by one.

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

1. in the utility model, the movable rubber block, the pressing plate, the fixed rubber block and the fixed shell are arranged, so that the device can seal the position where the power line is connected with the overvoltage protection device and limit the power line at the same time when the position where the power line is connected with the overvoltage protection device is sealed in the process of connecting and fixing the power line and the overvoltage protection device, and the problem that the original device cannot seal the position where the power line is connected with the overvoltage protection device and limit the power line at the same time when the original device is connected and fixed with the overvoltage protection device is solved;

2. the utility model discloses in, through fixed plate, return spring, fixed orifices and the fixed axle that sets up for the device can be installed overvoltage protector through the fixed plate in the use of reality, carries out the problem of fixing on specific limiting plate with solving original installation of buckle in the use of reality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation position of the fixed conductive plate of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention from the right;

FIG. 4 is a schematic view of the internal structure of the fixing housing of the present invention;

fig. 5 is a schematic view of the structure of the installation position of the return spring of the present invention.

In the figure: 1-overvoltage protection device, 2-fixed shell, 3-power line, 4-fixed plate, 5-fixed bolt, 6-fixed rubber block, 7-movable rubber block, 8-fixed conductive plate, 9-pressing plate, 10-fixed hole, 11-cushion block, 12-fixed shaft and 13-return spring.

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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides an overvoltage protector for battery series connection charging and discharging equipment, including overvoltage protector 1, fixed housing 2 and fixing

bolt

5, 1 upper end of overvoltage protector and the equal fixed connection fixed housing 2 of lower extreme, 2 inboard rear end fixedly connected with solid fixed rubber piece 6 of fixed housing, 2 inboard front end sliding connection of fixed housing has removal rubber piece 7, remove rubber piece 7 and be close to the one end fixedly connected with pressure that overvoltage protector 1 holds board 9, the fixed current conducting plate 8 fixedly connected with power cord 3 of 9 rear end cooperations of pressure is held, the pressure is held board 9 front end and is rotated and be connected with fixing bolt 5, fixing

bolt

5 and 1 front end screwed connection of overvoltage protector, and fixing bolt 5 sets up inside overvoltage protector 1.

The fixed conducting plate 8 and the pressing plate 9 are provided with limiting grooves at one end close to the power line 3, the fixed conducting plate 8 and the pressing plate 9 are arranged in parallel front and back, the power line 3 can be limited by the arranged fixed conducting plate 8 and the pressing plate 9 in the actual use process, and the problem of slippage among the power line 3, the fixed conducting plate 8 and the pressing plate 9 is effectively prevented; the fixed rubber block 6 and the movable rubber block 7 are symmetrically arranged in the front-back direction by using the central point of the fixed shell 2, the power line 3 is arranged between the fixed rubber block 6 and the movable rubber block 7, the fixed rubber block 6 is fixedly connected with the inner wall of the fixed shell 2, and the movable rubber block 7 is slidably connected with the inner wall of the fixed shell 2, so that the power line 3 can be stably limited in the actual use process, and meanwhile, the sealing effect of the connecting position of the power line 3 and the overvoltage protection device 1 can be improved; the positions of the upper side and the lower side of the left end and the right end of the overvoltage protection device 1 are rotatably connected with a fixed shaft 12 through a return spring 13, the outer side of the fixed shaft 12 is fixedly connected with a fixed plate 4, the top end of the fixed plate 4 is provided with a fixed hole 10, and a cushion block 11 is fixedly connected to the fixed plate 4, so that the overvoltage protection device 1 can be conveniently fixed; when the overvoltage protection device 1 is fixed on the wall surface through the fixing plate 4, the cushion block 11 fixedly connected to the fixing plate 4 is tightly attached to the wall surface, so that the stability of the overvoltage protection device 1 installed on the wall surface can be improved; the number of the fixed shells 2 is two, the fixed shells 2 are arranged in a vertically parallel manner by taking the central point of the overvoltage protection device 1 as the central point, the positions of the left and right openings of the fixed shells 2 correspond to the fixing bolts 5 in the threaded connection on the inner sides of the overvoltage protection device 1 one by one, and the stability of the whole structure of the device can be effectively improved in the actual use process.

The working process comprises the following steps: in the process of installing and using the overvoltage protection device for the battery series charging and discharging equipment, a worker firstly needs to unscrew the fixing bolt 5, then places the power line 3 between the fixing rubber block 6 and the movable rubber block 7 to the position between the fixing current-conducting plate 8 and the pressing plate 9, then uses a tool to rotate the fixing bolt 5 to screw the power line 3, so that the fixing bolt 5 can drive the pressing plate 9 to stably press the power line 3 in the installation process, and simultaneously, the movable rubber block 7 can be driven to move towards the direction of the fixing rubber block 6 to press the power line 3 in the moving process of the pressing plate 9, the arrangement can seal the connection position of the power line 3 and the overvoltage protection device 1, meanwhile, the problem that the power line 3 and the overvoltage protection device 1 are loosened and separated can be effectively prevented through the matching of the fixing rubber block 6 and the movable rubber block 7 by the limiting grooves formed in the pressing plate 9 and the fixing current-conducting plate 8, the problem that the overvoltage protection device 1 is integrally fixed, the overvoltage protection device 1 can be effectively prevented from being used after being installed, and can effectively improve the use range of the overvoltage protection device 1 after the worker can be effectively connected with the fixing bolt 1, and the overvoltage protection device 1, and the worker can effectively use the overvoltage protection device in the process of installing the overvoltage protection device, and the overvoltage protection device 1, and the overvoltage protection device can be widely used for the overvoltage protection device 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an overvoltage crowbar for battery series connection charging and discharging equipment, includes overvoltage crowbar (1), fixed shell (2) and fixing bolt (5), its characterized in that: overvoltage protector (1) upper end and the equal fixed connection fixed housing of lower extreme (2), fixed housing (2) inboard rear end fixedly connected with solid fixed rubber piece (6), gu fixed housing (2) inboard front end sliding connection has removal block rubber (7), the one end fixedly connected with pressure that removes block rubber (7) and is close to overvoltage protector (1) is held board (9), press and hold board (9) rear end cooperation fixed current conducting plate (8) fixedly connected with power cord (3), press and hold board (9) front end and rotate and be connected with fixing bolt (5), fixing bolt (5) and overvoltage protector (1) front end screwed connection, and fixing bolt (5) set up inside overvoltage protector (1).

2. The overvoltage protection device for a battery series charging and discharging device according to claim 1, characterized in that: the limiting groove is formed in one end, close to the power line (3), of the fixed conducting plate (8) and the pressing and holding plate (9), and the fixed conducting plate (8) and the pressing and holding plate (9) are arranged in a front-back parallel mode.

3. An overvoltage protection device for a battery series charging and discharging apparatus according to claim 1, wherein: the utility model discloses a rubber block for the automobile, including fixed rubber block (6) and removal rubber block (7), the setting of symmetry around being with the central point position central point of fixed shell (2) between fixed rubber block (6) and removal rubber block (7), power cord (3) set up the position between fixed rubber block (6) and removal rubber block (7), fixed rubber block (6) and fixed shell (2) inner wall fixed connection, removal rubber block (7) and fixed shell (2) inner wall sliding connection.

4. An overvoltage protection device for a battery series charging and discharging apparatus according to claim 1, wherein: both ends upside and downside position all are rotated through return spring (13) and are connected with fixed axle (12) about overvoltage protector (1), fixed axle (12) outside fixedly connected with fixed plate (4), fixed orifices (10) have been seted up on fixed plate (4) top, fixedly connected with cushion (11) are gone up in fixed plate (4).

5. The overvoltage protection device for a battery series charging and discharging device according to claim 1, characterized in that: when the overvoltage protection device (1) is fixed on a wall surface through the fixing plate (4), the cushion block (11) fixedly connected to the fixing plate (4) is tightly attached to the wall surface.

6. An overvoltage protection device for a battery series charging and discharging apparatus according to claim 1, wherein: the number of the fixed shells (2) is two, the central points of the overvoltage protection devices (1) are arranged in parallel up and down between the fixed shells (2), and the positions of the openings at the left and right ends of the fixed shells (2) correspond to the fixing bolts (5) which are spirally connected with the inner sides of the overvoltage protection devices (1) one by one.