CN220692251U - Safety valve and storage battery applying same - Google Patents

Abstract

The utility model belongs to the field of storage batteries, in particular to a safety valve and a storage battery using the same, aiming at the problems that when the existing storage battery is used, the battery can gradually produce gas, the gas cannot be discharged inside an aluminum shell of the battery, so that the battery is inflated, accidents are easy to occur, and the safety coefficient is low.

Description

Safety valve and storage battery applying same

Technical Field

The utility model relates to the technical field of storage batteries, in particular to a safety valve and a storage battery applying the same.

Background

The device that converts chemical energy into electrical energy is called a chemical battery, commonly referred to simply as a battery. After discharge, the internal active species can be regenerated by means of charging—storing electrical energy as chemical energy; when discharge is required, chemical energy is converted into electric energy again. Such batteries are called batteries, also called secondary batteries or lead-acid storage cells, which are an electrochemical device that stores chemical energy and, if necessary, discharges electrical energy;

when the conventional storage battery is used, the battery can gradually produce gas, the gas cannot be discharged inside the aluminum shell of the battery, so that the battery is inflated, accidents are easy to occur, and the safety coefficient is low.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, when a storage battery is used, the storage battery can gradually produce gas, the gas cannot be discharged in an aluminum shell of the battery, so that the battery is inflated, accidents are easy to occur, and the safety coefficient is low.

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

the utility model provides a relief valve, includes the disk seat, the top fixedly connected with filter disc of disk seat, the top fixedly connected with of disk seat decorates the lid, it is located the top of filter disc to decorate the lid, the fixed cover in top of disk seat is equipped with the rubber cap, the rubber cap is located the below of filter disc.

In one possible design, the valve seat and the filter disc, as well as the valve seat and the decorative cover, are fixedly connected by ultrasonic welding.

The storage battery using the safety valve comprises an aluminum shell, wherein an insulating base is fixedly connected to the top of the aluminum shell, and an aluminum cover is fixedly connected to the top of the insulating base.

In one possible design, the insulating base and the aluminum cover are each provided with a through hole for cooperation with the valve seat.

In one possible design, the same second sealing ring is arranged between the top of the aluminum cover and the bottom of the outer side wall of the valve seat.

In one possible design, the same first sealing ring is arranged between the top of the aluminum cover and the bottom of the inner side wall of the valve seat.

In the whole structure fixing mode, firstly, a valve seat and an insulating base are reversely buckled and fixed, then a filter disc and the valve seat are welded and fixed by utilizing ultrasonic waves, and finally, a decorative cover and the valve seat are welded and fixed by utilizing ultrasonic waves, wherein a first sealing ring and a second sealing ring are added, so that the sealing performance of the device is improved;

when the device is used, if gas appears in the battery, the gas can enter the filter disc through the valve seat, the filter disc is a micro-molecule, when the internal gas pressure of the battery is larger than a design threshold value, the filter disc can be opened, and when the internal gas pressure of the battery is smaller than the design threshold value, the filter disc can be closed, so that the internal gas of the battery is discharged, and the safety of the device is improved.

According to the safety valve and the storage battery using the same, when gas appears in the battery, the gas can be discharged through the filter disc, so that the effect of removing the gas in the battery and improving the safety of the device can be achieved;

according to the utility model, through the arrangement of the safety valve, when gas appears in the battery, the gas can be discharged through the filter disc, so that the effect of discharging the gas in the battery and improving the safety of the device can be achieved, the problem that the gas produced by the battery leaks through the ventilation valve can be solved, and the effect of avoiding swelling of the battery can be achieved.

Drawings

Fig. 1 is a schematic three-dimensional structure of a safety valve and a battery using the safety valve according to the present utility model;

fig. 2 is an enlarged schematic view of a portion a of a safety valve and a battery using the safety valve according to the present utility model;

fig. 3 is a schematic diagram of an explosion structure of a safety valve and a storage battery using the safety valve according to the present utility model;

fig. 4 is a schematic structural diagram of a safety valve and a middle aluminum cover of a storage battery using the safety valve according to the present utility model.

In the figure: 1. an aluminum shell; 2. an insulating base; 3. an aluminum cover; 4. a first seal ring; 5. a valve seat; 6. a second seal ring; 7. a rubber cap; 8. a filter sheet; 9. and (5) a decorative cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, a safety valve for use in the field of batteries, comprising: the valve seat 5, the top fixedly connected with filter disc 8 of valve seat 5, the top fixedly connected with of valve seat 5 decorates lid 9, decorate lid 9 and be located the top of filter disc 8, the fixed cover in top of valve seat 5 is equipped with gluey cap 7, gluey cap 7 is located the below of filter disc 8, valve seat 5 and filter disc 8 and valve seat 5 and decorate lid 9 all carry out fixed connection through ultrasonic welding, if the inside gas that appears of battery, can gas get into filter disc 8 through valve seat 5, filter disc 8 is a kind of micro molecule, can open when the inside atmospheric pressure of battery is greater than the design threshold, can close when the inside atmospheric pressure of battery is less than the design threshold, thereby get rid of the inside gas of battery, the safety of the device is promoted.

Example two

Referring to fig. 1-4, the improvement is based on the second embodiment: the utility model provides an use battery of relief valve, including aluminum hull 1, the top fixedly connected with insulating base 2 of aluminum hull 1, insulating base 2's top fixedly connected with aluminum cap 3, insulating base 2 and aluminum cap 3's inside all has been seted up and has been used with disk seat 5 cooperation through-hole, be provided with same second sealing washer 6 between the top of aluminum cap 3 and the lateral wall bottom of disk seat 5, be provided with same first sealing washer 4 between the top of aluminum cap 3 and the inside wall bottom of disk seat 5, earlier with disk seat 5 and insulating base 2 back-off fixed, then utilize ultrasonic welding to fix filter disc 8 and disk seat 5, at last utilize ultrasonic welding to fix decorative cover 9 and disk seat 5, wherein add first sealing washer 4 and second sealing washer 6, hoisting device's sealing performance.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (6)

1. The utility model provides a relief valve, includes disk seat (5), its characterized in that, the top fixedly connected with filter disc (8) of disk seat (5), the top fixedly connected with of disk seat (5) decorates lid (9), decorate lid (9) and be located the top of filter disc (8), the fixed cover in top of disk seat (5) is equipped with gluey cap (7), gluey cap (7) are located the below of filter disc (8).

2. A safety valve according to claim 1, characterized in that the valve seat (5) and the filter disc (8) and the valve seat (5) and the decorative cover (9) are fixedly connected by means of ultrasonic welding.

3. A storage battery applying a safety valve, comprising the safety valve as claimed in claim 1 or 2, characterized by comprising an aluminum shell (1), wherein the top of the aluminum shell (1) is fixedly connected with an insulating base (2), and the top of the insulating base (2) is fixedly connected with an aluminum cover (3).

4. A battery using a safety valve according to claim 3, characterized in that the inside of the insulating base (2) and the aluminum cover (3) are provided with through holes for cooperation with the valve seat (5).

5. A battery using a safety valve according to claim 3, characterized in that the same second sealing ring (6) is arranged between the top of the aluminium cap (3) and the bottom of the outer side wall of the valve seat (5).

6. A battery employing a safety valve according to claim 3, characterized in that the same first sealing ring (4) is arranged between the top of the aluminum cap (3) and the bottom of the inner side wall of the valve seat (5).