CN206673035U - A kind of new type explosion proof electrokinetic cell - Google Patents

Abstract

The utility model discloses a kind of new type explosion proof electrokinetic cell, including housing, the first lid, the second lid, the 3rd lid and explosion-protection equipment, there is the first positive plate, first partition, the first negative plate in first chamber, there is the second positive plate, second partition, the second negative plate in the second chamber；The explosion-protection equipment has portable plate, is fixed on below portable plate the first piston part, the second piston part being fixed on below portable plate, the 3rd lid lower surface is fixed with guide rod, the portable plate has the through hole passed through by the guide rod, there is compression spring between the portable plate and the 3rd lid, first lid is with the first explosionproof hole sealed by first piston part, second lid has venthole with the second explosionproof hole sealed by second piston part, the 3rd lid.Electrokinetic cell of the present utility model can be effectively explosion-proof.

Description

A kind of new type explosion proof electrokinetic cell

Technical field

It the utility model is related to field of batteries, and in particular to a kind of new type explosion proof electrokinetic cell.

Background technology

Electrokinetic cell is the power supply in powered tools source, refers to as electric automobile, electric train, electrical salf-walking more Car, golf cart provide the battery of power.Electrokinetic cell is continuously vehicle in vehicle travel process and provides power, therefore Internal easily heating, or even have the danger of blast.Existing electrokinetic cell is in order to explosion-proof, and there is provided explosion-proof plug.It is but existing Explosion-proof plug can there is a situation where to loosen, in the case where cell internal pressure is not also to critical value, due to the fixed pine of itself The reason for dynamic and loosen.

Utility model content

Purpose of utility model：A kind of the defects of the utility model is intended to overcome prior art, there is provided new type explosion proof power electric Pond.

Technical scheme：A kind of electrokinetic cell, including housing, the first lid, the second lid, the 3rd lid and explosion-protection equipment, the shell There is demarcation strip space in the housing is divided into first chamber and second chamber in vivo, described first covers for closing the first chamber The opening of room, described second covers the opening for closing the second chamber, and the described 3rd covers for closing opening for the housing Mouthful；There is the first positive plate, first partition, the first negative plate, first positive plate is connected with first in the first chamber Positive terminal, first negative plate are connected with the first negative terminal, and first positive terminal covers through the described first lid and the 3rd, institute The first negative terminal is stated through the described first lid；There is the second positive plate, second partition, the second negative plate in the second chamber, Second positive plate is connected with the second positive terminal, and second negative plate is connected with the second negative terminal, second positive terminal Through the described second lid, second negative terminal covers through the described second lid and the 3rd, first negative terminal and the second positive pole Post is connected by conductor；The explosion-protection equipment has portable plate, is fixed on below portable plate the first piston part, it is fixed on portable plate Second piston part of lower section, the 3rd lid lower surface are fixed with guide rod, and the portable plate has the through hole passed through by the guide rod, There is compression spring, first lid is with by the first of first piston part sealing between the portable plate and the 3rd lid Explosionproof hole, second lid have venthole with the second explosionproof hole sealed by second piston part, the 3rd lid.

Further, the quantity of the guide rod, the through hole and the compression spring is two.

Further, each guide rod is to be cased with a compression spring.

Further, first positive terminal and first lid between, the first positive terminal and the 3rd lid between, the first negative terminal And first lid between, the second positive terminal and second lid between, the second negative terminal and second lid between, the second negative terminal and the 3rd lid Between be respectively provided with rubber seal.

Further, the portable plate is plastic plate.

Further, the venthole has 2.

Beneficial effect：Electrokinetic cell of the present utility model, the explosion-proof plug synchronous falling of first and second lid are explosion-proof when side When plug loosens, because opposite side explosion-proof plug fastens, therefore the position of portable plate is fixed, can avoid non-air pressure reason Caused explosion-proof plug loosens.

Brief description of the drawings

Fig. 1 is electrokinetic cell schematic diagram.

Embodiment

Reference：1.1 first positive plates；1.2 first negative plates；1.3 first barrier films；1.4 first positive terminals；1.5 the One negative terminal；21.6 the first lid；.1 the second positive plate；2.2 second negative plates；2.3 second barrier films；2.4 second positive terminals；2.5 Second negative terminal；2.6 second lids；10 housings；12 the 3rd lids；13 conductors；30 air-vents；12.1st, 12.2 guide rod；23rd, 24 compression Spring；20 portable plates；21 first piston parts；22 second piston parts.

A kind of electrokinetic cell, including housing 10, the first lid 1.6, the second lid 2.6, the 3rd lid 12 and explosion-protection equipment, the shell There is demarcation strip space in the housing is divided into first chamber and second chamber in vivo, described first covers for closing the first chamber The opening of room, described second covers the opening for closing the second chamber, and the described 3rd covers for closing opening for the housing Mouthful；There is the first positive plate 1.1, first partition 1.3, the first negative plate 1.2, first positive plate connects in the first chamber It is connected to the first positive terminal 1.4, first negative plate is connected with the first negative terminal 1.5, and first positive terminal is through described the One lid 1.6 and the 3rd lid 12, first negative terminal 1.5 pass through first lid 1.6；Have second in the second chamber just Pole plate 2.1, second partition 2.3, the second negative plate 2.3, second positive plate 2.1 are connected with the second positive terminal 2.4, and described Two negative plates 2.2 are connected with the second negative terminal 2.5, and second positive terminal passes through second lid 2.6, second negative terminal Through the described second lid and the 3rd lid, first negative terminal and the second positive terminal are connected by conductor 13；The explosion-protection equipment With portable plate 20, the first piston part 21 being fixed on below portable plate, the second piston part 22 being fixed on below portable plate, described Three lid lower surfaces are fixed with guide rod 12.1,12.2, and the portable plate has a through hole passed through by the guide rod, the portable plate and There is compression spring 23,24 between 3rd lid, first lid has the first explosionproof hole sealed by first piston part, Second lid has venthole with the second explosionproof hole sealed by second piston part, the 3rd lid.The guide rod 12.1st, 12.2, the quantity of the through hole and the compression spring 23,24 is two.Each guide rod is to be cased with a pressure Contracting spring.Between first positive terminal and the first lid, between the first positive terminal and the 3rd lid, the first negative terminal and the first lid Between, the second positive terminal and second lid between, the second negative terminal and second lid between, the second negative terminal and the 3rd lid between be respectively provided with Rubber seal.The portable plate is plastic plate.The venthole has 2.

Battery of the present utility model, first and second piston part are extruded by compression spring, it is not easy to loosen, when chamber room pressure mistake When big, piston part can be pushed up to open and realize pressure release.First and second piston part synchronous shift, when side piston part is due to installation question (non-inside The reason for air pressure is excessive) loosen when, also will not fall off (now the piston part of opposite side fill in must be fastening, plus also have compression bullet The squeezing effect of spring).As long as and the air pressure in a side cavity is excessive, it becomes possible to realizes the opening of both sides explosion-proof plug, user Just (due to being used in series during two Battery packs, therefore when side chamber pressure is excessive, opposite side is also likely to cause danger, this When this side explosion-proof plug passively open also be good).

Although the utility model is illustrated and described with regard to preferred embodiment, those skilled in the art should manage Solution, without departing from claim limited range of the present utility model, the utility model can be carried out various change and Modification.

Claims (6)

1. a kind of new type explosion proof electrokinetic cell, it is characterised in that including housing, the first lid, the second lid, the 3rd lid and explosion-proof dress Put, there is in the housing demarcation strip space in the housing is divided into first chamber and second chamber, described first covers and be used for The opening of first chamber is closed, described second covers the opening for closing the second chamber, and the described 3rd covers for closing institute State the opening of housing；There is the first positive plate, first partition, the first negative plate, first positive plate in the first chamber The first positive terminal is connected with, first negative plate is connected with the first negative terminal, and first positive terminal covers through described first With the 3rd lid, first negative terminal covers through described first；Have in the second chamber the second positive plate, second partition, Second negative plate, second positive plate are connected with the second positive terminal, and second negative plate is connected with the second negative terminal, described Second positive terminal is through the described second lid, and second negative terminal is covered through described second and the 3rd lid, first negative terminal Connected with the second positive terminal by conductor；It is the explosion-protection equipment has portable plate, is fixed on below portable plate the first piston part, solid The second piston part being scheduled on below portable plate, the 3rd lid lower surface are fixed with guide rod, and the portable plate has by the guide rod The through hole passed through, there is compression spring between the portable plate and the 3rd lid, first lid has to be filled in by described first First explosionproof hole of portion's sealing, second lid is with the second explosionproof hole sealed by second piston part, the 3rd lid tool There is venthole.

2. new type explosion proof electrokinetic cell according to claim 1, it is characterised in that the guide rod, the through hole and described The quantity of compression spring is two.

3. new type explosion proof electrokinetic cell according to claim 2, it is characterised in that each guide rod is to be cased with a pressure Contracting spring.

4. new type explosion proof electrokinetic cell according to claim 1, it is characterised in that first positive terminal and the first lid Between, the first positive terminal and the 3rd lid between, the first negative terminal and first lid between, the second positive terminal and second lid between, second Rubber seal is respectively provided between negative terminal and the second lid, between the second negative terminal and the 3rd lid.

5. new type explosion proof electrokinetic cell according to claim 1, it is characterised in that the portable plate is plastic plate.

6. new type explosion proof electrokinetic cell according to claim 1, it is characterised in that the venthole has 2.