CN207542290U

CN207542290U - Automatic explosion-proof zinc-manganese cell that opens circuit

Info

Publication number: CN207542290U
Application number: CN201721362376.2U
Authority: CN
Inventors: 黄知金; 颜冬辉
Original assignee: Gp Batteries China Ltd
Current assignee: Gp Batteries China Ltd
Priority date: 2017-10-19
Filing date: 2017-10-19
Publication date: 2018-06-26
Anticipated expiration: 2027-10-19

Abstract

The utility model discloses an automatic explosion-proof zinc-manganese cell that opens circuit, include: battery steel casing, biography electric subassembly, sealed pad and negative pole bottom, it includes to pass the electric subassembly: the negative electrode comprises a collector bar, a gear and a contact piece, wherein the gear is arranged at one end of the collector bar, the contact piece is arranged on the gear, and the contact piece is abutted with the negative electrode bottom cover. The gasket includes: the primary seal pad, with primary seal pad first vice pad and second vice pad, the supporting pad of being connected at both ends, the primary seal pad has the slot, supporting pad one end is connected with the primary seal pad. The utility model discloses an automatic explosion-proof zinc-manganese cell that opens circuit, through the battery steel casing that sets up, pass electric subassembly, sealed pad and negative pole bottom, further strengthen zinc-manganese cell's leakproofness, prevent that zinc-manganese cell from the weeping problem from appearing. And when the pressure intensity in the zinc-manganese battery is overlarge, the gas can not be continuously generated in the zinc-manganese battery through automatic disconnection, so that the zinc-manganese battery is effectively prevented from explosion, and the use safety of the zinc-manganese battery is improved.

Description

Automatic explosion-proof zinc-manganese cell that opens circuit

Technical Field

The utility model relates to a zinc-manganese cell technical field especially relates to an automatic explosion-proof zinc-manganese cell who opens circuit.

Background

At present, because the introduced equipment is expensive, domestic equipment is basically adopted by many domestic zinc-manganese battery production enterprises, and the assembly of battery parts depends on manual operation. Due to the production conditions, a plurality of influence factors are brought to the production of the zinc-manganese battery, and particularly, the problem of liquid leakage of the zinc-manganese battery always troubles a plurality of battery manufacturers.

During the use of the zinc-manganese battery, gases are always generated inside the zinc-manganese battery, and the gases are gradually accumulated to form larger internal pressure. When the internal pressure reaches a certain threshold value, an explosion occurs.

Therefore, how to design a zinc-manganese battery which automatically opens when the internal pressure of the zinc-manganese battery increases, so that the zinc-manganese battery cannot further generate gas, thereby preventing the zinc-manganese battery from exploding is a problem to be solved by the person in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing an automatic explosion-proof zinc-manganese cell who opens circuit, when the high-pressure, realize the inside automatic circuit-opening of zinc-manganese cell to make zinc-manganese cell can't further produce gas, prevent effectively that zinc-manganese cell from exploding, improved zinc-manganese cell's safety in utilization.

The purpose of the utility model is realized through the following technical scheme:

an automatic shutdown explosion-proof zinc-manganese battery comprising: the battery steel shell is of a hollow structure with an opening at one end and a closed end, the opening end of the battery steel shell and the negative bottom cover are closed to form an accommodating cavity, and the electricity transmission component and the sealing gasket are accommodated in the accommodating cavity;

the power transmission assembly comprises: the negative electrode comprises a collector bar, a gear and a contact piece, wherein the gear is installed at one end of the collector bar, the contact piece is installed on the gear, and the contact piece is abutted with the negative electrode bottom cover;

the gasket includes: the main sealing gasket, with first vice pad and the vice pad of second, the supporting pad that the sealed both ends of main sealing gasket are connected, the sealed slot that has of main sealing gasket, supporting pad one end with the sealed connection of main sealing gasket, the supporting pad other end is equipped with the drive plate, first vice pad receive crowded in the negative pole bottom with between the inner wall of battery box hat, the vice pad of second connect in the current collection stick, the negative pole bottom with sealed the formation seal chamber that fills up.

As an optimized scheme of the utility model, be equipped with a plurality of racks on the drive plate, it is a plurality of rack evenly distributed is in on the drive plate, it is a plurality of the rack with gear engagement.

As an optimized scheme of the present invention, the contact piece is a triangular structure.

As an optimized proposal of the utility model, the battery steel shell is cylindrical.

As a preferred embodiment of the present invention, the sealing pad is an insulating structure.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses an automatic explosion-proof zinc-manganese dioxide cell that opens circuit, through the battery steel casing that sets up, pass electric subassembly, sealed pad and negative pole bottom, further strengthen zinc-manganese dioxide cell's leakproofness, prevent that zinc-manganese dioxide cell from appearing the weeping problem. And when the internal pressure of the zinc-manganese battery is overlarge, the internal pressure of the zinc-manganese battery cannot generate gas continuously through automatic disconnection, so that the zinc-manganese battery is effectively prevented from explosion, and the use safety of the zinc-manganese battery is improved.

Drawings

Fig. 1 is a structural diagram of an explosion-proof zinc-manganese battery with an automatic circuit breaker according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 is a structural diagram of an explosion-proof zinc-manganese dioxide cell with an automatic circuit breaker according to an embodiment of the present invention.

An automatic shutdown explosion-proof zinc-manganese battery 10 comprising: the battery steel shell 100 is a hollow structure with one open end and one closed end, the open end of the battery steel shell 100 and the negative bottom cover 400 are closed to form an accommodating cavity 500, and the electricity transmission component 200 and the sealing gasket 300 are accommodated in the accommodating cavity 500. In this embodiment, the battery steel can 100 has a cylindrical shape.

The power transmission assembly 200 includes: collector bar 210, gear 220, and contact piece 230, gear 220 being attached to one end of collector bar 210, contact piece 230 being attached to gear 220, and contact piece 230 being in contact with negative electrode bottom cover 400. In the present embodiment, the contact sheet 230 has a triangular structure.

The gasket 300 includes: the sealed 310 of main sealed, with the sealed 310 both ends first vice pad 320 and the vice pad 330 of being connected of main sealed, the supporting pad 340, main sealed pad 310 has slot 311, supporting pad 340 one end is connected with main sealed pad 310, the supporting pad 340 other end is equipped with drive plate 341, first vice pad 320 receives to be crowded between the inner wall of negative pole bottom 400 and battery steel casing 100, the second vice pad 330 cup joints in collector bar 210, negative pole bottom 400 forms seal chamber 600 with sealed 300.

In the present embodiment, the gasket 300 is an insulating structure. The sealing gasket 300 clamped with the inner wall of the battery steel shell 100 is arranged in the battery steel shell 100, so that the sealing performance of the zinc-manganese battery is further enhanced, and liquid in the battery steel shell 100 is prevented from flowing out.

It should be noted that a plurality of racks 341a are disposed on the driving plate 341, the plurality of racks 341a are uniformly distributed on the driving plate 341, and the plurality of racks 341a are engaged with the gear 220. When the zinc-manganese battery is in use, gas is generated inside the zinc-manganese battery, and the gas inside the zinc-manganese battery gradually gathers along with the lapse of time to form larger pressure, and the pressure presses the main seal gasket 310 with the grooves 311 outwards and drives the support pad 340 to press towards the parallel direction of the cathode bottom cover 400. Wherein the support pad 340 has a certain arc. The supporting pad 340 presses in the direction parallel to the negative electrode bottom cover 400 and drives the driving plate 341 to move horizontally, and the driving plate 341 moves horizontally to drive the gear 220 engaged with the rack 341a to rotate, thereby rotating the contact piece 230 mounted on the gear.

It should be further noted that when the pressure inside the zn-mn battery is normal, one corner of the contact plate 230 is abutted against the negative electrode bottom cover 400, and the inside of the zn-mn battery is normally electrically connected. Only when the internal air pressure of the zn-mn battery reaches a certain threshold, the main seal 310 is pressed outward, thereby rotating the contact piece 230, resulting in the contact piece 230 being separated from the negative electrode bottom cap 400. Therefore, the zinc-manganese battery is disconnected, so that gas cannot be further generated in the zinc-manganese battery, explosion caused by overlarge air pressure in the zinc-manganese battery is avoided, and the use safety of the zinc-manganese battery is improved.

the utility model discloses an automatic explosion-proof zinc-manganese dioxide battery 10 that opens circuit, through the battery steel casing 100 that sets up, pass electric subassembly 200, sealed pad 300 and negative pole bottom 400, further strengthen zinc-manganese dioxide battery's leakproofness, prevent that zinc-manganese dioxide battery from the weeping problem from appearing. And when the internal pressure of the zinc-manganese battery is overlarge, the internal pressure of the zinc-manganese battery cannot generate gas continuously through automatic disconnection, so that the zinc-manganese battery is effectively prevented from explosion, and the use safety of the zinc-manganese battery is improved.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An explosion-proof zinc-manganese cell with automatic circuit breaking, comprising: the battery steel shell is of a hollow structure with an opening at one end and a closed end, the opening end of the battery steel shell and the negative bottom cover are closed to form an accommodating cavity, and the electricity transmission component and the sealing gasket are accommodated in the accommodating cavity;

the power transmission assembly includes: the negative electrode comprises a collector bar, a gear and a contact piece, wherein the gear is installed at one end of the collector bar, the contact piece is installed on the gear, and the contact piece is abutted with the negative electrode bottom cover;

2. The explosion-proof zinc-manganese dioxide cell of claim 1, wherein said driving plate is provided with a plurality of racks, said plurality of racks are uniformly distributed on said driving plate, and said plurality of racks are engaged with said gear.

3. The automatically trip explosion proof zinc manganese dioxide cell of claim 1, wherein said contact tab is of triangular configuration.

4. The explosion proof zinc manganese cell of claim 1, wherein the steel cell casing is cylindrical.

5. The automatic shutdown explosion proof zinc manganese battery of claim 1 wherein said gasket is an insulating structure.