CN215496981U - One-way exhaust valve for storage battery - Google Patents
One-way exhaust valve for storage battery Download PDFInfo
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- CN215496981U CN215496981U CN202121265072.0U CN202121265072U CN215496981U CN 215496981 U CN215496981 U CN 215496981U CN 202121265072 U CN202121265072 U CN 202121265072U CN 215496981 U CN215496981 U CN 215496981U
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- valve
- storage battery
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- inner diameter
- way exhaust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a one-way exhaust valve for a storage battery, which relates to the technical field of storage batteries and comprises a valve body, wherein a valve hole penetrating through two ends is formed in the valve body, a safety valve is arranged in the valve hole, the valve hole comprises a small inner diameter section close to one end inside the storage battery and a large inner diameter section far away from one end inside the storage battery during installation, and the side wall of the small inner diameter section extends to one side of the large inner diameter section to form an installation hole column for installing the safety valve; the less segment of internal diameter is equipped with first gas strip of straining, the great segment of internal diameter is equipped with the second and strains the gas strip, the valve opening still is equipped with the valve flap in the outside of second gas strip of straining, is equipped with the gas pocket on the valve flap. The one-way exhaust valve can effectively filter acid components of gas generated by the storage battery, reduce pollution to the environment, and simultaneously effectively prevent water and gas outside the storage battery from entering the storage battery through the one-way exhaust valve to influence the storage battery.
Description
Technical Field
The utility model relates to the technical field of storage batteries, in particular to a one-way exhaust valve for a storage battery.
Background
At present, storage batteries are widely applied to various aspects of life, and the requirement for the waterproof performance of the storage batteries in many special fields is gradually increased, such as underwater robots, underwater tractors and the like, and the storage batteries can be continuously and effectively monitored in real time in deep water areas which cannot be reached by human divers. The safety and reliability requirements of these devices also make the power supply system requirements of these devices more demanding. The devices need to be provided with a storage battery with a waterproof function to provide power, so that the storage battery for providing power for the devices has the performances of pressure resistance, corrosion resistance, water resistance and the like, and the development of a one-way exhaust valve with the waterproof function is particularly important.
Patent document No. CN212967938U discloses a safety valve structure for a valve-regulated lead-acid battery, which includes a valve body, a valve cover, an elastic member and an acid filter sheet; the valve body is provided with a containing hole, an exhaust hole, a main exhaust groove and a branch exhaust groove; the valve cover is provided with a limiting groove; the elastic part comprises a sealing column positioned in the exhaust hole, a limiting block arranged at the top of the sealing column, a limiting column arranged at the top of the limiting block and a telescopic spring sleeved on the limiting column; through the cooperation of main air discharge duct, a gas discharge duct, spacing groove, stopper and spacing post, the gas pressure that the inside of battery produced is big more, and sealed post will be by jack-up high more, and unnecessary gas will discharge out through a more gas discharge duct, and the pressure release speed will be fast more, and the pressure release is effectual. The safety valve can control the pressure relief speed of the storage battery according to the gas pressure generated in the storage battery, ensures the safe pressure relief of the storage battery, avoids the phenomenon of swelling of the storage battery, and has high safety. However, the safety valve has a complex structure and is difficult to manufacture.
Patent document No. CN202423428U discloses an exhaust upper cover structure of a lead-acid storage battery, which belongs to the technical field of improvement of cover body structures of lead-acid storage batteries, and includes a cover plate arranged above a cover body in a matching manner, wherein the cover body is provided with an exhaust hole with an accommodating groove, and the accommodating groove is positioned on the upper end surface of the cover body; the cover plate is provided with exhaust filtering holes, the exhaust filtering holes correspond to the containing grooves, and acid filtering sheets are fixed on the lower end face of the cover plate corresponding to the exhaust filtering holes. The utility model discloses a lead acid battery exhaust upper cover structure can contain sour gas to exhaust in the lead acid battery and purify earlier, then during the outside air of discharging into again, compares that current lead acid battery lid has the environmental protection characteristic. However, in the exhaust upper cover structure, every two adjacent accommodating grooves are communicated through the ventilation grooves arranged on the upper end surface of the cover body, and the manufacturing process of the cover body is complex.
SUMMERY OF THE UTILITY MODEL
The utility model provides a one-way exhaust valve for a storage battery, which solves the problems of water resistance of the storage battery and discharge of gas generated in the storage battery.
A one-way exhaust valve for a storage battery comprises a valve body, wherein a valve hole penetrating through two ends is formed in the valve body, a safety valve is arranged in the valve hole, the valve hole comprises a small inner diameter section close to one end inside the storage battery and a large inner diameter section far away from one end inside the storage battery during installation, and a side wall of the small inner diameter section extends to one side of the large inner diameter section to form an installation hole column for installing the safety valve; the less segment of internal diameter is equipped with first gas strip of straining, the great segment of internal diameter is equipped with the second and strains the gas strip, the valve opening still is equipped with the valve flap in the outside of second gas strip of straining, is equipped with the gas pocket on the valve flap.
The storage battery can generate gas in the use process, so that the internal pressure is increased, the gas is discharged out of the storage battery through the one-way exhaust valve, the gas firstly passes through the first gas filtering strip in the process of being discharged out of the storage battery, and the first gas filtering strip filters a first layer of acidic substances in the gas, so that the corrosion of acidic components in the gas to the safety valve can be reduced, and the pollution of the acidic substances in the gas to the external environment can be reduced; the safety valve is opened by the gas filtered by the first gas filtering strip, the gas enters the second gas filtering strip through the safety valve, and the second gas filtering strip filters a second layer of acidic substances in the gas, so that the pollution of the acidic components in the gas to the external environment is further reduced; when the inside pressure that leads to the battery when the gas that produces is greater than the pressure in the external environment, the relief valve is opened by inside gas, and the inside pressure of battery obtains releasing, and when the pressure in the external environment was greater than the inside pressure of battery, outside pressure makes the relief valve further compressed tightly, avoids external water and gas to cause the influence to the battery.
The valve body is provided with an external thread section which is close to one end inside the storage battery during installation and an external diameter expanding section which is far away from one end inside the storage battery.
And the external thread section of the valve body is sleeved with a sealing ring at the part close to the outer diameter expansion section. The sealing washer can make effectual sealed between one-way discharge valve and the exhaust hole, prevents that gas and moisture among the external environment from getting into the battery through the gap between one-way discharge valve and the exhaust hole inside, influences the performance of battery.
The outer diameter of the valve body is enlarged and one end of the valve body far away from the inside of the storage battery is provided with a wrench action position. The one-way exhaust valve and the storage battery can be fastened together by the action of the wrench.
The larger section of internal diameter of valve opening has the first step face that the internal diameter secondary enlarges formation, the installation of second gas filtering strip and first step face butt, the second gas filtering strip and relief valve butt.
The safety valve is made of ethylene propylene diene monomer.
Compared with the prior art, the utility model has the following advantages:
gas generated in the storage battery is exhausted out of the storage battery through the one-way exhaust valve, the gas is firstly filtered through the first gas filtering strip in the process of being exhausted out of the storage battery, and the first gas filtering strip filters the first layer of acidic substances in the gas, so that corrosion of acidic components in the gas to a safety valve can be reduced, and pollution of the acidic substances in the gas to the external environment can be reduced; the safety valve is opened by the gas filtered by the first gas filtering strip, the gas enters the second gas filtering strip through the safety valve, and the second gas filtering strip filters a second layer of acidic substances in the gas, so that the pollution of the acidic components in the gas to the external environment is further reduced; when the inside pressure that leads to the battery when the gas that produces is greater than the pressure in the external environment, the relief valve is opened by inside gas, and the inside pressure of battery obtains releasing, and when the pressure in the external environment was greater than the inside pressure of battery, outside pressure makes the relief valve further compressed tightly, avoids external water and gas to cause the influence to the battery.
Drawings
FIG. 1 is a schematic sectional front view of a one-way exhaust valve according to the present invention.
Fig. 2 is a perspective view of the one-way exhaust valve of the present invention.
In the figure, a valve body 1, a safety valve 2, a first air filtering strip 3, a second air filtering strip 4, a valve cover plate 5, an air hole 6, a sealing ring 7, a wrench action position 8, a valve hole 9 and an external thread section 10.
Detailed Description
As shown in fig. 1-2, a one-way exhaust valve for a storage battery comprises a valve body 1, wherein a valve hole 9 penetrating through two ends is formed in the valve body 1, a safety valve 2 is arranged in the valve hole 9, the valve hole 9 comprises a small inner diameter section close to one end inside the storage battery and a large inner diameter section far away from one end inside the storage battery, and a side wall of the small inner diameter section extends to one side of the large inner diameter section to form a mounting hole column for mounting the safety valve 2; the less segment of internal diameter is equipped with first gas strip 3 of straining, and the great segment of internal diameter is equipped with second gas strip 4 of straining, and valve opening 9 still is equipped with valve flap 5 in the outside of second gas strip 4 of straining, is equipped with gas pocket 6 on the valve flap 5. The valve body 1 is provided with an external thread section 10 which is close to one end inside the storage battery when the valve body is installed and an external diameter expanding section which is far away from one end inside the storage battery, and the external thread section 10 of the valve body 1 is sleeved with a sealing ring 7 at the part which is close to the external diameter expanding section. The outer diameter expansion section of the valve body 1 is provided with a wrench action position 8 at one end far away from the inside of the storage battery. The large section of the internal diameter of the valve hole 9 is provided with a first step surface formed by secondary expansion of the internal diameter, the second air filtering strip 4 is installed in butt joint with the first step surface, and the second air filtering strip 4 is in butt joint with the safety valve 2. When gas is generated in the storage battery, the pressure in the storage battery is increased, the safety valve 2 is forced to be in an open state by the gas, and the gas is discharged out of the storage battery through the safety valve 2. The one-way exhaust valve is in threaded connection with an exhaust hole of the storage battery, and correspondingly, the exhaust hole is provided with an internal thread section close to one end inside the storage battery and an internal diameter expansion section far away from one end inside the storage battery.
When the one-way exhaust valve works, gas generated in the storage battery enters the one-way exhaust valve through the storage battery cover sheet groove, the gas firstly passes through the first gas filtering strip 3 and then passes through the safety valve 2, the safety valve 2 is in an open state when the gas passes through, then the gas is discharged out of the storage battery through the second gas filtering strip 4 from the gas hole 6 on the valve cover sheet 5, and after the gas in the storage battery is released, the safety valve 2 is quickly and automatically closed under the action of self elasticity to prevent external gas and water from entering the storage battery; when the pressure outside the storage battery is large, the safety valve 2 is always in a closed state, and water and gas outside the storage battery are effectively prevented from entering the storage battery through the one-way exhaust valve to influence the storage battery.
Claims (6)
1. The one-way exhaust valve for the storage battery is characterized by comprising a valve body, wherein a valve hole penetrating through two ends is formed in the valve body, a safety valve is arranged in the valve hole, the valve hole comprises a small inner diameter section close to one end inside the storage battery and a large inner diameter section far away from one end inside the storage battery during installation, and the side wall of the small inner diameter section extends towards one side of the large inner diameter section to form an installation hole column for installing the safety valve; the less segment of internal diameter is equipped with first gas strip of straining, the great segment of internal diameter is equipped with the second and strains the gas strip, the valve opening still is equipped with the valve flap in the outside of second gas strip of straining, is equipped with the gas pocket on the valve flap.
2. The one-way exhaust valve according to claim 1, wherein said valve body has an externally threaded section mounted adjacent to an interior end of the battery and an expanded outer diameter section remote from the interior end of the battery.
3. The one-way exhaust valve according to claim 2 wherein said externally threaded section of said valve body is threaded with a sealing ring adjacent said enlarged outer diameter section.
4. The one-way exhaust valve according to claim 2, wherein the outer diameter-enlarged section of the valve body has a wrench action position at an end remote from the interior of the battery.
5. The one-way exhaust valve according to claim 1, wherein the inner diameter-enlarged section of the valve hole has a first stepped surface formed by secondarily enlarging the inner diameter, and the second filtered air strip is installed in abutment with the first stepped surface and in abutment with the safety valve.
6. The one-way exhaust valve according to claim 1, wherein said relief valve is made of ethylene propylene diene monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121265072.0U CN215496981U (en) | 2021-06-07 | 2021-06-07 | One-way exhaust valve for storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121265072.0U CN215496981U (en) | 2021-06-07 | 2021-06-07 | One-way exhaust valve for storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215496981U true CN215496981U (en) | 2022-01-11 |
Family
ID=79783486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121265072.0U Active CN215496981U (en) | 2021-06-07 | 2021-06-07 | One-way exhaust valve for storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215496981U (en) |
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2021
- 2021-06-07 CN CN202121265072.0U patent/CN215496981U/en active Active
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