CN210687135U - Explosion-proof air valve and battery - Google Patents
Explosion-proof air valve and battery Download PDFInfo
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- CN210687135U CN210687135U CN201921647885.9U CN201921647885U CN210687135U CN 210687135 U CN210687135 U CN 210687135U CN 201921647885 U CN201921647885 U CN 201921647885U CN 210687135 U CN210687135 U CN 210687135U
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- air
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- valve
- inlet channel
- air inlet
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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 an explosion-proof air valve, include: the method comprises the following steps: the valve comprises a valve main body, a valve body and a valve seat, wherein the valve main body is provided with an air inlet channel and an air outlet channel; a seal member; and the elastic device can apply force on the sealing piece and drive the sealing piece to be tightly attached to and used for plugging the air inlet channel. Therefore, when the explosion-proof air valve of the utility model is installed in the exhaust hole of the battery box, when the air pressure in the battery box rises, the air can push the sealing element to keep away from opening the air inlet channel, so that the air in the battery box can pass through the air inlet channel and flow to the air outlet channel to be discharged, the air pressure in the battery box is effectively prevented from rising, when the air pressure in the battery box drops to a set value, the elastic device pushes the sealing element to seal the air inlet channel, and foreign materials such as external water and dust are prevented from entering the battery box; the utility model discloses still disclose a battery, including a battery case, dispose foretell explosion-proof air valve on the battery case, both can avoid the atmospheric pressure in the battery case to rise, can prevent external debris from getting into in the battery case again simultaneously.
Description
Technical Field
The utility model relates to a valve body field, especially an explosion-proof pneumatic valve and battery.
Background
Currently, in the battery field, the battery core is generally required to be placed in a sealed battery box. However, in the using process, the battery core can be exhausted abnormally, so that the air pressure in the sealed battery box is increased, and the normal operation of the battery is influenced.
At present, a plurality of exhaust holes are formed in the side wall of a battery box, and gas in the battery box is timely exhausted through the exhaust holes, so that the increase of the air pressure in the battery box is avoided, and a battery core in the battery box can work under the stable air pressure for a long time.
The structure prevents the air pressure in the battery box from rising, but can cause foreign matters such as water and dust in the outside to enter the battery box due to the existence of the vent holes, and then the normal work of the battery core is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an at least solve one of the technical problem who exists among the prior art, the utility model discloses the first aspect provides the explosion-proof pneumatic valve that can exhaust the pressure release by oneself when the atmospheric pressure in the battery box rises, the utility model discloses the second aspect provides a can prevent the battery that the atmospheric pressure rises in the battery box.
The technical scheme adopted for solving the technical problems is as follows:
according to the utility model discloses the first aspect, an explosion-proof air valve, include:
the valve comprises a valve main body, a valve body and a valve body, wherein an accommodating cavity is formed in the valve main body; the valve main body is provided with an air inlet channel and an air outlet channel which are communicated with the accommodating cavity;
the sealing element is movably arranged in the accommodating cavity and can seal or open the air inlet channel;
and the elastic device is arranged in the accommodating cavity and can apply force on the sealing piece and drive the sealing piece to be tightly attached and blocked with the air inlet channel.
According to some embodiments of the invention, the valve body is provided with a bolted connection; the air inlet channel is arranged on the bolt connecting portion, and the air inlet channel is arranged along the axial direction of the bolt connecting portion and penetrates through the whole bolt connecting portion.
According to some embodiments of the present invention, the inlet direction of the inlet channel and the outlet direction of the outlet channel are different.
According to some embodiments of the invention, a polygonal protrusion is provided on the peripheral wall of the valve body.
According to some embodiments of the invention, the polygonal protrusion is a regular hexagonal protrusion; the number of the air outlet channels is six, and the six air outlet channels are respectively arranged on six side faces of the regular hexagon bulge in a one-to-one correspondence mode.
According to some embodiments of the utility model, the inside of sealing member set up one can with the sealed gas channel that is linked together of inlet channel, be provided with a ventilated membrane on the gas channel.
According to some embodiments of the present invention, the resilient means is a compression spring, one end of the compression spring is abutted against the sealing member, and the other end of the compression spring is abutted against the inner wall of the accommodating chamber.
According to some embodiments of the present invention, the accommodating cavity is an open cavity, and the open part of the accommodating cavity is provided with a cover body capable of blocking the open part; the other end of the compression spring is abutted against the inner wall of the cover body.
According to some embodiments of the present invention, an annular boss is disposed at an end of the sealing member away from the air inlet passage; the compression spring is sleeved on the periphery of the annular boss.
According to the utility model discloses the second aspect, a battery, including a battery case, the inside cavity of having seted up of battery case, be provided with electric core in the cavity, offer on the battery case be used for the intercommunication external with the exhaust hole of cavity, exhaust hole department disposes foretell explosion-proof air valve.
The utility model has the advantages that: because the explosion-proof air valve of the utility model adopts the elastic device to apply force to push the sealing element to seal the air inlet channel, when the explosion-proof air valve is installed in the exhaust hole of the battery box, when the air pressure in the battery box rises, the air can push the sealing element to keep away from opening the air inlet channel, so that the air in the battery box can pass through the air inlet channel and flow to the air outlet channel to be discharged, the air pressure in the battery box is effectively prevented from rising, when the air pressure in the battery box drops to a set value, the elastic device pushes the sealing element to seal the air inlet channel, foreign materials such as external water, dust and the like can be effectively prevented from entering the battery box, and the electric;
the utility model discloses a battery is through adopting foretell explosion-proof air valve, both can avoid the atmospheric pressure in the battery box to rise, can prevent external debris from getting into in the battery box again simultaneously, helps prolonging the life of battery.
Drawings
The present invention will be further explained with reference to the drawings and the embodiments;
FIG. 1 is a schematic view of an explosion-proof gas valve according to certain embodiments of the present invention;
FIG. 2 is an exploded view of an explosion-proof air valve in accordance with certain embodiments of the present invention;
fig. 3 is a schematic structural diagram of a sealing element in an explosion-proof air valve according to some embodiments of the present invention in a state of sealing an air inlet passage;
fig. 4 is a schematic structural diagram of the sealing member in the explosion-proof air valve according to some embodiments of the present invention when the sealing member is in the state of opening the air inlet passage.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in fig. 1, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. The description of first, second, etc. if any, is for the purpose of distinguishing between technical features and not intended to indicate or imply relative importance or implicitly indicate a number of indicated technical features or implicitly indicate a precedence relationship of indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1 and 2, the explosion-proof air valve according to some embodiments of the present invention includes a valve main body 100, and a receiving cavity 110 is disposed inside the valve main body 100; the valve main body 100 is provided with an inlet channel 120 and an outlet channel 130 both communicated with the accommodating cavity 110, and it is conceivable that, in some embodiments, the number of the inlet channels 120 provided on the valve main body 100 may be two, three or more, and in some embodiments, the number of the outlet channels 130 provided on the valve main body 100 may be two, three or more. A sealing member 200 is movably disposed in the accommodating chamber 110, and in some embodiments, the sealing member 200 may be a rubber sealing plug or a silicone sealing plug; it is envisioned that the seal member 200 may be made from other materials having the same properties; the seal 200 can seal or unseal the intake passage 120. An elastic device 300 is further disposed in the receiving cavity 110, and the elastic device 300 can apply a force on the sealing member 200 and drive the sealing member 200 to close the air inlet passage 120.
Because the utility model discloses an explosion-proof air valve promotes the sealed inlet channel 120 of sealing member 200 through adopting the application of force of elastic device 300, consequently the utility model discloses an explosion-proof air valve installs when the exhaust hole of battery case (not shown in the picture), when atmospheric pressure in the battery case rises, gas can promote sealing member 200 and keep away from opening inlet channel 120, and then make the gas in the battery case can pass inlet channel 120 and flow to outlet channel 130 department and discharge, effectively prevent that the atmospheric pressure in the battery case from rising, when treating that the atmospheric pressure in the battery case descends to the setting value, elastic device 300 promotes the sealed inlet channel 120 of sealing member 200, can effectively avoid external water, debris such as dust get into in the battery case, electric core in the protection battery case.
To facilitate the mounting of the valve body 100 on the battery box, referring to fig. 2, in some embodiments, a bolt connecting portion 140 is provided on the valve body 100, and the air inlet passage 120 is opened on the bolt connecting portion 140, and the air inlet passage 120 is disposed along the axial direction of the bolt connecting portion 140 and penetrates through the entire bolt connecting portion 140. Therefore, a screw hole (not shown) may be formed in a sidewall of the battery case, and the valve body 100 may be connected to the screw hole through the bolt coupling part 140, so that the valve body 100 may be more easily and conveniently mounted to the battery case.
In order to prevent air leakage at the connection position of the bolt connecting portion 140 and the battery case, in some embodiments, a silicone sealing ring or a rubber sealing ring is further sleeved on the bolt connecting portion 140. Therefore, when the bolt connecting portion 140 is mounted on the battery case, the bolt connecting portion 140 may press the silicone sealing ring or the rubber sealing ring, thereby sealing a gap between the bolt connecting portion 140 and the threaded exhaust hole to prevent air leakage.
Referring to fig. 3 and 4, in order to make the structure of the valve body 100 more compact, in some embodiments, the air inlet direction of the air inlet channel 120 is opposite to the air outlet direction of the air outlet channel 130, that is, the air inlet direction of the air inlet channel 120 is not parallel to the air outlet direction of the air outlet channel 130, therefore, the air inlet channel 120 and the air outlet channel 130 can be set to be approximately perpendicular or perpendicular to each other as required, so that the air path structure on the valve body 100 is more reasonable, the volume of the valve body 100 can be reduced, and in addition, foreign objects can be prevented from blocking the air outlet channel 130, so that the air can pass through the air outlet channel 130 and be exhausted out of the accommodating cavity 110.
In order to facilitate the rotation of the valve body 100, in some embodiments, a polygonal protrusion 150 is formed on the outer circumferential wall of the valve body 100, and the gas outlet channel 130 is formed on one side surface of the polygonal protrusion 150, and the gas outlet channel 130 penetrates through the side wall of the polygonal protrusion 150. In some embodiments, polygonal protrusion 150 is a regular hexagonal protrusion; the number of the air outlet channels 130 is six, and the six air outlet channels 130 are respectively arranged on six side surfaces of the regular hexagon convex part in a one-to-one correspondence manner. By adopting the above structure, the polygonal protrusion 150 like a hexagon nut is formed outside the valve main body 100, so that the user can better turn the valve main body 100 by using a wrench, so that the valve main body 100 is connected with the threaded exhaust hole on the battery box through the bolt connection part 140 thereon; moreover, the air outlet channels 130 are respectively arranged on the six side surfaces of the regular hexagonal convex part, so that under the condition that some air outlet channels 130 are blocked accidentally, the air in the accommodating cavity 110 can still be exhausted and decompressed through other air outlet channels 130 which are not blocked, and the air exhausting and pressure releasing function of the valve main body 100 is ensured. It is conceivable that the cross-sectional shape of the polygonal protrusion 150 may be a triangle, a quadrangle, a pentagon, a heptagon, an octagon, etc., and the number of the air outlet channels 130 arranged on the side surface of the polygonal protrusion 150 may be two, three or more, which may be determined according to actual needs.
In order to allow the valve body 100 to be ventilated under normal pressure, in some embodiments, the sealing member 200 has a gas passage 210 formed therein and capable of being in sealed communication with the gas inlet passage 120, and the gas passage 210 is provided with a gas permeable membrane (not shown). In certain embodiments, the gas permeable membrane is an e-PTFE membrane. By adopting the above structure, when the valve main body 100 is applied to the battery box, the gas can be ventilated in two directions through the gas permeable membrane, the gas in the battery box can sequentially pass through the gas inlet channel 120 and the gas through channel 210 and enter the accommodating cavity 110, and then the gas can be discharged out of the valve main body 100 through the gas outlet channel 130, so that the gas accumulation is prevented and the gas pressure in the battery box is prevented from rising.
Referring to fig. 2 and 3, in order to make the elastic means 300 to apply a force on the sealing member 200 better, in some embodiments, the elastic means 300 is a compression spring, one end of which abuts against the sealing member 200 and the other end of which abuts against the inner wall of the accommodating chamber 110. It is conceivable that the resilient means 300 may also be a member made of an elastic material, such as a rod (not shown) made of rubber or silicone, one end of the rod abutting against the sealing member 200 and the other end of the rod abutting against the inner wall of the accommodating chamber 110. By adopting the above structure, the elastic device 300 can exert a stable pushing force on the sealing member 200, so that the sealing member 200 can be stably tightly sealed against the air inlet passage 120, and the gas is prevented from entering the accommodating cavity 110 through the air inlet passage 120.
Referring to fig. 2, in order to facilitate the installation of the sealing member 200, the elastic device 300 and other components in the accommodating cavity 110, in some embodiments, the accommodating cavity 110 is an open cavity, and a cover 111 capable of blocking the open is disposed at the open of the accommodating cavity 110; during assembly, the sealing member 200, the elastic device 300 and other components may be placed into the accommodating cavity 110 from the opening of the accommodating cavity 110, and then the cover 111 is used to close the opening of the accommodating cavity 110. At this time, one end of the compression spring abuts against the sealing member 200, and the other end of the compression spring abuts against the inner wall of the cover 111. In some embodiments, the cap 111 is threaded onto the valve body 100 or the cap 111 is riveted to the valve body 100.
In order that the compression spring does not deflect relative to the seal 200, in some embodiments, the seal 200 is provided with an annular boss 220 at the end remote from the inlet passage 120; the compression spring is sleeved on the periphery of the annular boss 220. By adopting the structure, the compression spring is ensured not to deviate relative to the sealing element 200, and then the compression spring can better apply force on the sealing element 200, so that the sealing element 200 can effectively block the air inlet channel 120.
Referring to fig. 3, when the elastic force applied to the sealing member 200 by the elastic device 300 is greater than the pushing force applied to the sealing member 200 by the gas in the gas inlet passage 120, the sealing member 200 is tightly attached to the connection between the gas inlet passage 120 and the accommodating chamber 110 under the elastic force of the elastic device 300, and the sealing member 200 blocks the gas inlet passage 120, so that the gas in the gas inlet passage 120 cannot enter the accommodating chamber 110.
Referring to fig. 4, when the pushing force applied to the sealing member 200 by the gas in the inlet channel 120 is greater than the elastic force applied to the sealing member 200 by the elastic device 300, the gas in the inlet channel 120 pushes the sealing member 200 away from the inlet channel 120 and presses the elastic device 300 to contract and deform, at this time, the sealing member 200 opens the inlet channel 120, the gas in the inlet channel 120 can enter the accommodating cavity 110, and then the gas can be exhausted out of the valve body 100 through the outlet channel 130, thereby achieving the effect of automatic exhaust and pressure relief; when the pushing force applied to the sealing member 200 by the gas in the gas inlet passage 120 is smaller than the elastic force applied to the sealing member 200 by the elastic device 300, the elastic device 300 applies force to the sealing member 200 and pushes the sealing member 200 to be tightly attached to the gas inlet passage 120.
The present invention further provides a battery, which comprises a battery case (not shown in the drawings), wherein a cavity is formed inside the battery case, an electric core (not shown in the drawings) is disposed in the cavity, an exhaust hole for communicating the outside with the cavity is formed in the battery case, and the exhaust hole is configured with the explosion-proof air valve. By adopting the anti-explosion air valve, the air pressure in the battery box can be prevented from rising, and meanwhile, external sundries can be prevented from entering the battery box, thereby being beneficial to prolonging the service life of the battery.
Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. An explosion-proof gas valve, comprising:
the valve comprises a valve body (100), wherein a containing cavity (110) is arranged inside the valve body (100); the valve main body (100) is provided with an air inlet channel (120) and an air outlet channel (130) which are communicated with the accommodating cavity (110);
a sealing member (200), wherein the sealing member (200) is movably arranged in the accommodating cavity (110), and the sealing member (200) can seal or open the air inlet channel (120);
the elastic device (300) is arranged in the accommodating cavity (110), and the elastic device (300) can apply force on the sealing piece (200) and drive the sealing piece (200) to be tightly attached to and close the air inlet channel (120).
2. An explosion-proof gas valve as set forth in claim 1 wherein:
the valve main body (100) is provided with a bolt connecting part (140);
the intake passage (120) is provided on the bolt connecting portion (140), and the intake passage (120) is arranged along the axial direction of the bolt connecting portion (140) and penetrates the entire bolt connecting portion (140).
3. An explosion-proof gas valve according to claim 1,
the air inlet direction of the air inlet channel (120) and the air outlet direction of the air outlet channel (130) are opposite.
4. An explosion-proof gas valve as claimed in claim 1, 2 or 3, wherein:
a polygonal boss (150) is provided on the outer peripheral wall of the valve body (100).
5. An explosion-proof gas valve according to claim 4,
the polygonal bulge (150) is a regular hexagonal bulge;
the number of the air outlet channels (130) is six, and the six air outlet channels (130) are respectively arranged on six side faces of the regular hexagon bulge in a one-to-one correspondence mode.
6. An explosion-proof gas valve according to claim 1,
the sealing element (200) is internally provided with an air passing channel (210) which can be communicated with the air inlet channel (120) in a sealing way, and the air passing channel (210) is provided with a breathable film.
7. An explosion-proof gas valve according to claim 1,
the elastic device (300) is a compression spring, one end of the compression spring is abutted with the sealing element (200), and the other end of the compression spring is abutted with the inner wall of the accommodating cavity (110).
8. An explosion-proof gas valve according to claim 7,
the accommodating cavity (110) is an open cavity, and a cover body (111) capable of blocking the opening is arranged at the opening of the accommodating cavity (110);
the other end of the compression spring is abutted against the inner wall of the cover body (111).
9. An explosion-proof gas valve according to claim 7 or 8,
an annular boss (220) is arranged at one end of the sealing element (200) far away from the air inlet channel (120);
the compression spring is sleeved on the periphery of the annular boss (220).
10. A battery, characterized in that,
the explosion-proof air valve comprises a battery box, wherein a cavity is formed in the battery box, a battery core is arranged in the cavity, an air vent for communicating the outside with the cavity is formed in the battery box, and the air vent is provided with the explosion-proof air valve as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647885.9U CN210687135U (en) | 2019-09-29 | 2019-09-29 | Explosion-proof air valve and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647885.9U CN210687135U (en) | 2019-09-29 | 2019-09-29 | Explosion-proof air valve and battery |
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| Publication Number | Publication Date |
|---|---|
| CN210687135U true CN210687135U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921647885.9U Active CN210687135U (en) | 2019-09-29 | 2019-09-29 | Explosion-proof air valve and battery |
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| CN (1) | CN210687135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610738A (en) * | 2020-12-30 | 2021-04-06 | 蜂巢能源科技有限公司 | Explosion-proof valve |
| CN114110221A (en) * | 2020-09-01 | 2022-03-01 | 伊利诺斯工具制品有限公司 | Pressure relief device |
-
2019
- 2019-09-29 CN CN201921647885.9U patent/CN210687135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110221A (en) * | 2020-09-01 | 2022-03-01 | 伊利诺斯工具制品有限公司 | Pressure relief device |
| CN112610738A (en) * | 2020-12-30 | 2021-04-06 | 蜂巢能源科技有限公司 | Explosion-proof valve |
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