CN215600496U

CN215600496U - Safety valve of storage battery

Info

Publication number: CN215600496U
Application number: CN202120692717.2U
Authority: CN
Inventors: 蒲金鹏; 李雪; 王亚峰; 蒲金山
Original assignee: Nanjing Junrui New Energy Automobile Technology Co ltd
Current assignee: Nanjing Junrui New Energy Automobile Technology Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-01-21
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a safety valve of a storage battery, which comprises a valve body and a valve cover, wherein the valve cover is arranged on the valve body, external threads are arranged on the valve body, exhaust pipelines are symmetrically arranged on two sides of the bottom of the valve body, a gas collecting cavity is arranged between the exhaust pipelines, a second gas filtering sheet is arranged on the step of the exhaust pipeline, the second gas filtering sheet is arranged at the top of the gas collecting cavity, the valve cover is arranged at the upper part of the second gas filtering sheet, pressure relief ports are symmetrically arranged on the valve cover, and a pressure relief cavity is arranged at the upper bottom of the valve cover. The utility model belongs to the technical field of storage batteries, and particularly provides a storage battery safety valve which is high in practicability and simple to use, effectively adjusts the size of a pressure relief opening through a pressure relief assembly, and can perform centralized exhaust.

Description

Safety valve of storage battery

Technical Field

The utility model belongs to the technical field of storage batteries, and particularly relates to a safety valve of a storage battery.

Background

The AGM storage battery belongs to a poor liquid type storage battery, has deeper discharging performance compared with a common rich liquid type storage battery, has more starting and stopping times and better oil saving effect, and can meet the requirements of starting and stopping systems and common weakly mixed vehicles. Like a common rich-solution battery, the AGM storage battery can separate out hydrogen in the working process, and meanwhile, the water loss of the battery is reduced in order to ensure the sealing property of the storage battery. In the design process of the storage battery, the gas discharge and the sealing performance in the storage battery are considered simultaneously

The existing safety valve can only realize the function of upper end exhaust, can not meet the concentrated exhaust requirement of the barren liquor storage battery, and can not effectively and independently adjust the size of a pressure relief opening according to pressure in the exhaust process, so that excessive gas is discharged, and the normal use of the storage battery is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the storage battery safety valve which is high in practicability and simple to use, and can effectively adjust the size of a pressure relief opening through a pressure relief assembly and perform centralized exhaust.

The technical scheme adopted by the utility model is as follows: the utility model discloses a safety valve of a storage battery, which comprises a valve body and a valve cover, wherein the valve cover is arranged on the valve body, external threads are arranged on the valve body, exhaust pipelines are symmetrically arranged on two sides of the bottom of the valve body, a gas collecting cavity is arranged between the exhaust pipelines, a second gas filtering sheet is arranged on the step of the exhaust pipeline, the second gas filtering sheet is arranged at the top of the gas collecting cavity, the valve cover is arranged on the upper part of the second gas filtering sheet, pressure relief ports are symmetrically arranged on the valve cover, and a pressure relief cavity is arranged at the bottom of the valve cover.

Further, the valve body top is equipped with the recess, be equipped with the internal thread on the valve gap, just valve gap threaded connection locates in the recess.

Further, the valve body is sleeved with a gasket, and the gasket is arranged on the external thread.

Furthermore, fixed grooves are symmetrically arranged in the exhaust pipeline, and first air filtering pieces are arranged in the fixed grooves.

Furthermore, a gas collecting hole is formed in one side of the first gas filtering piece in the exhaust pipeline, and one end of the gas collecting hole is connected and arranged in the gas collecting cavity.

Furthermore, a transmission groove is formed in the valve cover, a pressure relief plate is arranged in the transmission groove, and the pressure relief plate is arranged right above the pressure relief cavity.

Furthermore, elastic pieces are uniformly connected between the pressure relief plate and the inner top of the valve cover, and the two sides of the pressure relief plate are symmetrically arranged in the pressure relief port.

The utility model with the structure has the following beneficial effects: this scheme battery safety valve, the practicality is high, and is simple to use, effectively adjusts pressure release mouth size through the pressure release subassembly, can concentrate the exhaust.

Drawings

FIG. 1 is a schematic view of the overall structure of a safety valve for a storage battery according to the present invention;

fig. 2 is a top view of a battery safety valve of the present invention.

The gas collecting device comprises a valve body 1, a valve cover 2, a valve cover 3, external threads 4, an exhaust pipeline 5, a gas collecting cavity 6, a second gas filtering sheet 7, a pressure relief opening 8, a pressure relief cavity 9, a groove 10, internal threads 11, a gasket 12, a fixing groove 13, a first gas filtering sheet 14, a gas collecting hole 15, a transmission groove 16, a pressure relief plate 17 and an elastic piece.

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the safety valve for the storage battery of the utility model comprises a valve body 1 and a valve cover 2, wherein the valve cover 2 is arranged on the valve body 1, external threads 3 are arranged on the valve body 1, exhaust pipelines 4 are symmetrically arranged on two sides of the bottom of the valve body 1, a gas collecting cavity 5 is arranged between the exhaust pipelines 4, a second gas filtering sheet 6 is arranged on the step of the exhaust pipeline 4, the second gas filtering sheet 6 is arranged at the top of the gas collecting cavity 5, the valve cover 2 is arranged on the upper portion of the second gas filtering sheet 6, pressure relief ports 7 are symmetrically arranged on the valve cover 2, and a pressure relief cavity 8 is arranged at the upper bottom of the valve cover 2.

The top of the valve body 1 is provided with a groove 9, the valve cover 2 is provided with an internal thread 10, and the valve cover 2 is in threaded connection with the groove 9; a gasket 11 is sleeved on the valve body 1, and the gasket 11 is arranged on the external thread 3; fixing grooves 12 are symmetrically arranged in the exhaust pipeline 4, and first air filtering sheets 13 are arranged in the fixing grooves 12; a gas collecting hole 14 is formed in one side of a first gas filtering sheet 13 in the exhaust pipeline 4, and one end of the gas collecting hole 14 is connected into a gas collecting cavity 5; a transmission groove 15 is formed in the valve cover 2, a pressure relief plate 16 is arranged in the transmission groove 15, and the pressure relief plate 16 is arranged right above the pressure relief cavity 8; elastic parts 17 are uniformly connected between the pressure relief plate 16 and the inner top of the valve cover 2, and the two sides of the pressure relief plate 16 are symmetrically arranged in the pressure relief opening 7.

When the pressure relief valve is used specifically, the valve body 1 is connected and arranged in a pressure relief hole of a storage battery through the external threads 3, the valve cover 2 is connected and arranged at the groove 9 at the top of the valve body 1 through the internal threads 10, gas is filtered through the first gas filtering sheet 13 through the exhaust pipeline 4, then enters the gas collection cavity 5 through the gas collection port, the gas is discharged in a concentrated mode, the gas in the gas collection cavity 5 is filtered for the second time through the second gas filtering sheet 6 and enters the pressure relief cavity 8, when the gas in the pressure relief cavity 8 is gradually increased, the pressure relief plate 16 is upwards pushed under the action of pressure, the pressure relief port 7 is gradually leaked from the two sides of the pressure relief plate 16, the gas is discharged from the pressure relief port 7, the mounting is facilitated through the threads, the gas collection pressure relief can be effectively carried out, and the size of the pressure relief port 7 can be adjusted independently.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A battery safety valve characterized by: the valve comprises a valve body and a valve cover, wherein the valve cover is arranged on the valve body, external threads are arranged on the valve body, exhaust pipelines are symmetrically arranged on two sides of the bottom of the valve body, a gas collecting cavity is arranged between the exhaust pipelines, a second gas filtering piece is arranged on a step of the exhaust pipeline, the second gas filtering piece is arranged at the top of the gas collecting cavity, the valve cover is arranged on the upper portion of the second gas filtering piece, pressure relief ports are symmetrically arranged on the valve cover, and a pressure relief cavity is arranged at the bottom of the valve cover.

2. A battery safety valve according to claim 1, wherein: the valve body top is equipped with the recess, be equipped with the internal thread on the valve gap, just valve gap threaded connection locates in the recess.

3. A battery safety valve according to claim 1, wherein: the valve body is sleeved with a gasket, and the gasket is arranged on the external thread.

4. A battery safety valve according to claim 1, wherein: fixed slots are symmetrically arranged in the exhaust pipeline, and first air filtering pieces are arranged in the fixed slots.

5. A battery safety valve according to claim 4, wherein: and a gas collecting hole is formed in one side of the first filter gas piece in the exhaust pipeline, and one end of the gas collecting hole is connected in the gas collecting cavity.

6. A battery safety valve according to claim 1, wherein: a transmission groove is formed in the valve cover, a pressure relief plate is arranged in the transmission groove, and the pressure relief plate is arranged right above the pressure relief cavity.

7. A battery safety valve according to claim 6, wherein: elastic pieces are uniformly connected and arranged between the pressure relief plate and the inner top of the valve cover, and the two sides of the pressure relief plate are symmetrically arranged in the pressure relief port.