CN219242743U - Novel waterproof breathable explosion-proof valve - Google Patents
Novel waterproof breathable explosion-proof valve Download PDFInfo
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- CN219242743U CN219242743U CN202223459586.7U CN202223459586U CN219242743U CN 219242743 U CN219242743 U CN 219242743U CN 202223459586 U CN202223459586 U CN 202223459586U CN 219242743 U CN219242743 U CN 219242743U
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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 is applicable to the technical field of explosion-proof valves, and provides a novel waterproof breathable explosion-proof valve, which comprises a valve body and further comprises: the valve comprises a face cover, a flat spring, a compression ring, a waterproof and breathable film, a valve body, a valve, a gasket, a spring, a gland, a main body and a sealing ring; the valve body is provided with a mounting groove, the valve, the gasket, the spring and the gland are sequentially arranged in the mounting groove on the valve body, the gland is fixedly arranged at the tail end of the mounting groove on the valve body, and an air hole is arranged between the valve and the gland on the valve body; the waterproof breathable film is fixed at the other end of the valve body through a compression ring; the sealing ring is arranged on the main body. The explosion-proof valve adopts a mode of mixing and combining the plastic shell and the valve body metal piece, so that the problems of high cost and high temperature resistance of thermal runaway are solved; meanwhile, the protection grade can reach IP67, IPX8 and IPX9K, effective waterproof is realized, the protection grade is high, in addition, ventilation opening and explosion-proof opening of the valve are accurate, effective protection is realized, and the practicability is strong.
Description
Technical Field
The utility model belongs to the technical field of explosion-proof valves, and particularly relates to a novel waterproof breathable explosion-proof valve.
Background
When the power battery pack is used or thermally failed, a large amount of gas can be released, if the gas in the sealed box body cannot be discharged in time, the gas pressure in the box body can be caused to rise rapidly, a large pressure difference is formed, the normal use of the battery pack is affected slightly, and the battery pack explodes seriously, so that an explosion-proof valve is required to be arranged on the power battery for air pressure balance.
On the market, explosion-proof valves are mostly made of metal materials, have relatively complex structures, and are high in manufacturing cost and unfavorable for popularization and use.
Disclosure of Invention
The embodiment of the utility model aims to provide a novel waterproof breathable explosion-proof valve, and aims to solve the problems that the explosion-proof valve is made of metal materials, is relatively complex in structure, is high in manufacturing cost and is not beneficial to popularization and use.
The utility model is realized in such a way that a novel waterproof breathable explosion-proof valve comprises a valve body and further comprises:
the valve comprises a face cover, a flat spring, a compression ring, a waterproof and breathable film, a valve body, a valve, a gasket, a spring, a gland, a main body and a sealing ring;
the valve body is provided with a mounting groove, the valve, the gasket, the spring and the gland are sequentially arranged in the mounting groove on the valve body, the gland is fixedly arranged at the tail end of the mounting groove on the valve body, and an air hole is arranged between the valve and the gland on the valve body;
the waterproof breathable film is fixed at the other end of the valve body through a compression ring;
the sealing ring is arranged on the main body, a plurality of ventilation holes are formed in the side wall of the main body, and two ends of the flat spring are respectively connected with the face cover and the valve body;
the face cover is screwed on the main body.
According to a further technical scheme, two copper nuts are fixed on the main body.
According to a further technical scheme, a special-shaped sealing ring is arranged at one end, close to the sealing box equipment, of the main body.
According to a further technical scheme, a protective cover is arranged on the outer side of the valve body, and the protective cover is arranged between the face cover and the valve body.
According to a further technical scheme, the face cover and the main body are made of plastic materials.
The novel waterproof breathable explosion-proof valve provided by the embodiment of the utility model adopts a shell plastic and valve body metal part mixing combination mode, so that the problems of high cost and high temperature resistance of thermal runaway are solved; meanwhile, the protection grade can reach IP67, IPX8 and IPX9K, effective waterproof is realized, the protection grade is high, in addition, ventilation opening and explosion-proof opening of the valve are accurate, effective protection is realized, and the practicability is strong.
Drawings
FIG. 1 is a schematic installation diagram of a novel waterproof breathable explosion-proof valve provided by an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a novel waterproof, breathable and explosion-proof valve according to an embodiment of the present utility model;
FIG. 3 is a schematic view of another view angle structure of a novel waterproof, breathable and explosion-proof valve according to an embodiment of the present utility model;
FIG. 4 is an exploded view of a novel waterproof breathable explosion-proof valve provided by an embodiment of the utility model;
fig. 5 is a schematic structural diagram of a novel waterproof, breathable and explosion-proof valve in a positive pressure exhaust state according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a novel waterproof, breathable and explosion-proof valve in a negative pressure air inlet state according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a novel waterproof, breathable and explosion-proof valve in a blasting and pressure releasing state according to an embodiment of the utility model.
In the accompanying drawings: the face cover 1, the flat spring 2, the compression ring 3, the waterproof and breathable membrane 4, the valve body 5, the valve 6, the gasket 7, the spring 8, the gland 9, the protective cover 10, the copper nut 11, the main body 12, the sealing ring 13, the special-shaped sealing ring 14 and the sealing box equipment 15.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 7, the novel waterproof, breathable and explosion-proof valve provided by an embodiment of the present utility model includes a valve body 5, and further includes:
the face cover 1, the flat spring 2, the compression ring 3, the waterproof and breathable membrane 4, the valve body 5, the valve 6, the gasket 7, the spring 8, the gland 9, the main body 12 and the sealing ring 13;
the valve body 5 is provided with a mounting groove, the valve 6, the gasket 7, the spring 8 and the gland 9 are sequentially mounted in the mounting groove on the valve body 5, the gland 9 is fixedly mounted at the tail end of the mounting groove on the valve body 5, and an air hole is formed in the valve body 5 and located between the valve 6 and the gland 9;
the waterproof and breathable film 4 is fixed at the other end of the valve body 5 through a compression ring 3;
the sealing ring 13 is arranged on the main body 12, a plurality of ventilation holes are arranged on the side wall of the main body 12, and two ends of the flat spring 2 are respectively connected with the face cover 1 and the valve body 5;
the face cap 1 is screwed onto the body 12.
In the embodiment of the utility model, when in use, one end of the main body 12 is fixed on the sealing box equipment 15, when in a positive pressure exhaust state (as shown in fig. 5), the gas pressure in the battery pack in the sealing box equipment 15 is higher than the opening pressure value of the explosion-proof valve 6, and the valve belongs to the positive pressure exhaust state, in this state, the gas enters the main body 12 through the sealing box equipment 15, then enters between the valve 6 and the gland 9 through the air hole on the valve body 5, passes through the valve 6 and the waterproof ventilated membrane 4, enters between the main body 12 and the face cover 1, and flows out of the valve body from a plurality of ventilation holes on the side wall of the main body 12, and is rapidly exhausted and decompressed; thereby reducing the internal air pressure of the sealing box equipment 15 and realizing the pressure balance between the inside and the outside of the sealing box equipment 15; when the valve is in a negative pressure air inlet state, a certain pressure difference is formed between the inside and the outside of the sealing box equipment 15, when the pressure difference is larger than the opening pressure value of the spring 8 set by the explosion-proof valve and belongs to the negative pressure air inlet state (as shown in figure 6), under the working state, the spring 8 is compressed and enables the valve 6 to be in an opening state, the air pressure outside the valve body is higher than the air pressure inside the sealing box equipment 15, and at the moment, air is conducted to the sealing box equipment 15 through a plurality of ventilation holes on the side wall of the main body 12, the waterproof ventilation film 4, the periphery of the valve 6 and the air holes on the valve body 5, so that the pressure balance between the inside and the outside of the sealing box equipment 15 is realized; when the explosion pressure release state is adopted, the gas pressure in the sealing box equipment 15 is equal to or higher than the opening pressure value set by the explosion-proof valve flat spring 2, and the explosion pressure release state (as shown in fig. 7) is adopted, the gas can prop up the valve body 5 of the explosion-proof valve under the action of the pressure in the sealing box equipment 15, the gas in the sealing box equipment 15 is discharged from between the valve body 5 and the sealing ring 13, the rapid air exhaust and pressure release are realized, the air pressure in the box body is reduced, and the pressure balance between the inside and the outside of the battery pack box body is realized.
As shown in fig. 1 to 7, as a preferred embodiment of the present utility model, two copper nuts 11 are fixed to the main body 12.
In the embodiment of the present utility model, bolts are passed through the copper nuts 11 to fix the main body 12 to the seal box apparatus 15.
As shown in fig. 4-7, as a preferred embodiment of the present utility model, a special-shaped sealing ring 14 is provided on the end of the main body 12 near the sealing box device 15.
In the embodiment of the utility model, the sealing performance of the main body 12 and the sealing box device 15 is ensured to be good by arranging the special-shaped sealing ring 14.
As shown in fig. 1 to 7, as a preferred embodiment of the present utility model, a protection cover 10 is provided on the outer side of the valve body 5, and the protection cover 10 is provided between the face cover 1 and the valve body 5.
As shown in fig. 1-3, as a preferred embodiment of the present utility model, the cover 1 and the main body 12 are made of plastic.
In the above embodiment of the present utility model, a novel waterproof breathable explosion-proof valve is provided, when in use, a bolt passes through a copper nut 11, a main body 12 is fixed on a seal box device 15, a special seal ring 14 is in contact with the seal box device 15, when in a positive pressure exhaust state (as shown in fig. 5), the gas pressure in a battery pack in the seal box device 15 is higher than the opening pressure value of an explosion-proof valve 6, and the valve belongs to a positive pressure exhaust state, in this state, gas enters the main body 12 through the seal box device 15, then enters between the valve 6 and a gland 9 through an air hole on a valve body 5, passes through the valve 6 and a waterproof breathable film 4, enters between the main body 12 and a face cover 1, and flows out of the valve body from a plurality of ventilation holes on the side wall of the main body 12, and is rapidly exhausted and depressurized; thereby reducing the internal air pressure of the sealing box equipment 15 and realizing the pressure balance between the inside and the outside of the sealing box equipment 15; when the valve is in a negative pressure air inlet state, a certain pressure difference is formed between the inside and the outside of the sealing box equipment 15, when the pressure difference is larger than the opening pressure value of the spring 8 set by the explosion-proof valve and belongs to the negative pressure air inlet state (as shown in figure 6), under the working state, the spring 8 is compressed and enables the valve 6 to be in an opening state, the air pressure outside the valve body is higher than the air pressure inside the sealing box equipment 15, and at the moment, air is conducted to the sealing box equipment 15 through a plurality of ventilation holes on the side wall of the main body 12, the waterproof ventilation film 4, the periphery of the valve 6 and the air holes on the valve body 5, so that the pressure balance between the inside and the outside of the sealing box equipment 15 is realized; when the explosion pressure release state is adopted, the gas pressure in the sealing box equipment 15 is equal to or higher than the opening pressure value set by the explosion-proof valve flat spring 2, and the explosion pressure release state (as shown in fig. 7) is adopted, the gas can prop up the valve body 5 of the explosion-proof valve under the action of the pressure in the sealing box equipment 15, the gas in the sealing box equipment 15 is discharged from between the valve body 5 and the sealing ring 13, the rapid air exhaust and pressure release are realized, the air pressure in the box body is reduced, and the pressure balance between the inside and the outside of the battery pack box body is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. The utility model provides a novel waterproof ventilative explosion-proof valve, includes the valve body, its characterized in that still includes:
the valve comprises a face cover, a flat spring, a compression ring, a waterproof and breathable film, a valve body, a valve, a gasket, a spring, a gland, a main body and a sealing ring;
the valve body is provided with a mounting groove, the valve, the gasket, the spring and the gland are sequentially arranged in the mounting groove on the valve body, the gland is fixedly arranged at the tail end of the mounting groove on the valve body, and an air hole is arranged between the valve and the gland on the valve body;
the waterproof breathable film is fixed at the other end of the valve body through a compression ring;
the sealing ring is arranged on the main body, a plurality of ventilation holes are formed in the side wall of the main body, and two ends of the flat spring are respectively connected with the face cover and the valve body;
the face cover is screwed on the main body.
2. The novel waterproof breathable explosion-proof valve according to claim 1, wherein two copper nuts are fixed on the main body.
3. The novel waterproof breathable explosion-proof valve according to claim 2, wherein a special-shaped sealing ring is arranged at one end, close to the sealing box device, of the main body.
4. The novel waterproof breathable explosion-proof valve according to claim 1, wherein a protective cover is arranged on the outer side of the valve body, and the protective cover is arranged between the face cover and the valve body.
5. The novel waterproof breathable explosion-proof valve according to claim 1, wherein the face cover and the main body are made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223459586.7U CN219242743U (en) | 2022-12-22 | 2022-12-22 | Novel waterproof breathable explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223459586.7U CN219242743U (en) | 2022-12-22 | 2022-12-22 | Novel waterproof breathable explosion-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219242743U true CN219242743U (en) | 2023-06-23 |
Family
ID=86805350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223459586.7U Active CN219242743U (en) | 2022-12-22 | 2022-12-22 | Novel waterproof breathable explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219242743U (en) |
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2022
- 2022-12-22 CN CN202223459586.7U patent/CN219242743U/en active Active
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