CN214662321U - Valve body with ventilative explosion-proof trinity function of pressure release - Google Patents
Valve body with ventilative explosion-proof trinity function of pressure release Download PDFInfo
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- CN214662321U CN214662321U CN202120651292.0U CN202120651292U CN214662321U CN 214662321 U CN214662321 U CN 214662321U CN 202120651292 U CN202120651292 U CN 202120651292U CN 214662321 U CN214662321 U CN 214662321U
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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 provides a valve body with explosion-proof trinity function of ventilative pressure release, including casing, lid and case, the lid can be dismantled with the casing upper end and be connected, is equipped with the circular shape on the baffle and cuts the groove, the casing middle part is equipped with the baffle that the level set up, the cover is equipped with the pressure release spring on the case, the both ends of pressure release spring offset with baffle and flange slider respectively. The valve body when inside atmospheric pressure is less, gaseous from the direct discharge of waterproof ventilated membrane, when instantaneous atmospheric pressure is great, gaseous propelling movement case is outside to slide, extrude the pressure release spring, turn into the elastic potential energy of pressure release spring with the kinetic energy of air current, thereby play the effect of buffering to the air current, realize quick pressure release, when instantaneous atmospheric pressure is too big, the air current is when strikeing the case, see through the bleeder vent direct impact baffle on the flange slider, the baffle breaks under the effect of shearing the groove, thereby increase gaseous area of passing through, the lid can play and prevent case or baffle departure, play blast proof effect.
Description
Technical Field
The utility model belongs to the technical field of the battery is explosion-proof, especially, relate to a valve body with explosion-proof trinity function of ventilative pressure release.
Background
When the battery is in short circuit or is impacted, a large amount of gas can be generated in the battery, so that the gas in the battery can be discharged in time to prevent the battery from bursting, and an explosion-proof valve for communicating the inside and the outside of the battery shell is arranged on the shell of the battery. The explosion-proof valve should have the conventional explosion-proof function of breathing freely, emergent pressure release and extreme environment under, although there are various explosion-proof equipment at new energy automobile battery explosion-proof safety problem at present, but more single, ordinary valve body range of application is single, it is also unreasonable to bear the pressure scope, can't be suitable for the power battery of a large amount of different grade types, different structure, different models, also can't guarantee the reliability of real machine operation under the different season environment, therefore how to improve the suitability and the stability of current valve body be the technological problem that this field is waited for urgently to solve.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a valve body with ventilative pressure release explosion-proof trinity function to increase explosion-proof valve's suitability and stability.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a valve body with three-in-one functions of ventilation, pressure relief and explosion prevention, which comprises a shell, a cover body and a valve core, wherein the cover body is detachably connected with the upper end of the shell,
the improved gas leakage protection valve is characterized in that a baffle plate is horizontally arranged in the middle of the shell, a guide hole is formed in the middle of the baffle plate, a circular shear groove is formed in the baffle plate, the valve element penetrates through the guide hole and slides up and down in the shell in a sealing mode along the guide hole, a cover plate is detachably connected to the upper end of the valve element, a waterproof breathable film is arranged between the cover plate and the valve element, a flange sliding block is detachably connected to the lower end of the valve element, a pressure relief spring is sleeved on the valve element, two ends of the pressure relief spring respectively abut against the baffle plate and the flange sliding block, a gas channel is formed in the middle of the valve element and the flange sliding block, vent holes communicated with the gas channel are formed in the cover body and the cover plate, and vent holes communicated with gaps between the shell and the valve element are formed in the flange sliding block.
Preferably, the lower end of the valve core is provided with an inserting part, the flange sliding block is provided with a bearing part corresponding to the inserting part, and the inserting part and the bearing part are matched to adjust the length of the valve core inserted into the flange sliding block.
Preferably, the inserting part and the bearing part are provided with corresponding threads.
Preferably, the upper end of the valve core is provided with a limiting flange, and the limiting flange is detachably connected with the cover plate.
Preferably, the limiting flange is provided with a connecting column, the cover plate is provided with a connecting hole corresponding to the connecting column, and the connecting column is connected with the connecting hole in an interference fit manner.
Preferably, one side of the limiting flange, which is close to the baffle, is embedded with a rubber ring.
Preferably, the side wall of the upper end of the shell is provided with a clamping groove, and the inner wall of the cover body is provided with a clamping jaw corresponding to the clamping groove.
Preferably, the upper section of the shell is provided with a sealing boss, and a rubber ring is embedded on the lower surface of the sealing boss.
Preferably, the side wall of the shell below the sealing boss is provided with an external thread.
Preferably, the waterproof breathable film is made of polytetrafluoroethylene materials.
Compared with the prior art, valve body with ventilative pressure release explosion-proof trinity function have following advantage:
the valve body when inside atmospheric pressure is less, gaseous from the direct discharge of waterproof ventilated membrane, when instantaneous atmospheric pressure is great, gaseous propelling movement case is outside to slide, extrude the pressure release spring, turn into the elastic potential energy of pressure release spring with the kinetic energy of air current, thereby play the effect of buffering to the air current, realize quick pressure release, when instantaneous atmospheric pressure is too big, the air current is when strikeing the case, see through the bleeder vent direct impact baffle on the flange slider, the baffle breaks under the effect of shearing the groove, thereby increase gaseous area of passing through, the lid can play and prevent case or baffle departure, play blast proof effect.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a partial sectional structure of a valve body according to an embodiment of the present invention;
fig. 2 is a schematic sectional structure view of a valve body according to an embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. a cover body; 3. a valve core; 4. a baffle plate; 5. shearing a groove; 6. a cover plate; 7. a waterproof breathable film; 8. a flange slider; 9. a pressure relief spring; 10. a gas channel; 11. air holes are formed; 12. a limiting flange; 13. a rubber ring.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A valve body with three-in-one functions of ventilation, pressure relief and explosion prevention comprises a shell body 1, a cover body 2 and a valve core 3, wherein the cover body 2 is detachably connected with the upper end of the shell body 1,
the middle part of the shell 1 is provided with a baffle 4 which is horizontally arranged, the middle part of the baffle 4 is provided with a guide hole, the baffle 4 is provided with a circular shearing groove 5, the valve core 3 passes through the guide hole and slides up and down in the shell 1 in a sealing way along the guide hole, the upper end of the valve core 3 is detachably connected with a cover plate 6, a waterproof breathable film 7 is arranged between the cover plate 6 and the valve core 3, the waterproof breathable film 7 is made of a high polymer material which has strong acid-base corrosion resistance and is waterproof and breathable, in the embodiment, the waterproof breathable film 7 is made of a polytetrafluoroethylene material, the lower end of the valve core 3 is detachably connected with a flange slider 8, the valve core 3 is sleeved with a pressure relief spring 9, two ends of the pressure relief spring 9 are respectively abutted against the baffle 4 and the flange slider 8, the upper end of the valve core 3 is always abutted against the upper end of the baffle 4 by the pressure relief spring 9, and the middle parts of the valve core 3 and the flange slider 8 are provided with a gas channel 10, the cover body 2 and the cover plate 6 are both provided with vent holes 11 communicated with a gas channel 10, the flange slide block 8 is provided with vent holes 11 communicated with a gap between the shell 1 and the valve core 3, when the gas flow in the valve body is small and the air pressure is low, the gas passes through the gas channel 10 and is discharged outwards through the waterproof breathable film 7, when the gas flow in the valve body is high and the air pressure is high, the gas impacts the waterproof breathable film 7 to drive the valve core 3 to slide outwards and extrude the pressure relief spring 9, so that the impact force of the gas flow is converted into the elastic potential energy of the pressure relief spring 9 to play a role of buffering, thereby realizing the pressure relief, when the gas flow in the valve body is over high, the gas flow can directly impact the baffle plate 4 through the vent holes 11 on the flange slide block 8, the baffle plate 4 is instantly broken at the shearing groove 5 to generate cracks, the flow area of the gas is increased, and the high-pressure gas is relieved to prevent the protected device from explosion, the high-pressure airflow is rapidly sprayed out to reduce the internal pressure of the protected device, the cover body 2 can play a role in separating the cover plate 6 and the baffle plate 4, the human body is prevented from being injured under the impact of the airflow, the explosion-proof effect is realized, and the ventilation volume of the waterproof breathable film 7 is determined according to the self volume of the protected explosion-proof device or the chemical characteristics of internal materials.
Preferably, in this embodiment, the lower end of the valve element 3 is provided with an insertion portion, the flange slider 8 is provided with a receiving portion corresponding to the insertion portion, the insertion portion and the receiving portion are provided with corresponding threads, and the insertion portion and the receiving portion are matched to adjust the length of the valve element 3 inserted into the flange slider 8 under the action of the threads through mutual rotation, that is, the tightness of the pressure relief spring 9 is changed, so as to adjust the application range of the maximum pressure.
Preferably, the upper end of the valve core 3 is provided with a limiting flange 12, the limiting flange 12 is detachably connected with the cover plate 6, and the limiting flange 12 is tightly abutted to the upper end of the baffle plate 4 to play a limiting role.
Preferably, the limiting flange 12 is provided with a connecting column, the cover plate 6 is provided with a connecting hole corresponding to the connecting column, and the connecting column is connected with the connecting hole in an interference fit manner.
Preferably, a rubber ring 13 is embedded on one surface of the limiting flange 12 close to the baffle 4, so that the sealing performance between the limiting flange 12 and the baffle 4 is improved, and when the air pressure is small, the air can only pass through the waterproof breathable film 7 to be discharged.
Preferably, the side wall of the upper end of the shell 1 is provided with a clamping groove, and the inner wall of the cover body 2 is provided with a clamping jaw corresponding to the clamping groove.
Preferably, casing 1 upper segment is equipped with sealed boss, rubber circle 13 has been inlayed to sealed boss lower surface, has improved the leakproofness with equipment when the valve body is installed on equipment.
Preferably, the side wall of the shell 1 below the sealing boss is provided with an external thread for installation with equipment.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a valve body with explosion-proof trinity function of ventilative pressure release which characterized in that: comprises a shell, a cover body and a valve core, wherein the cover body is detachably connected with the upper end of the shell,
the improved gas leakage protection valve is characterized in that a baffle plate is horizontally arranged in the middle of the shell, a guide hole is formed in the middle of the baffle plate, a circular shear groove is formed in the baffle plate, the valve element penetrates through the guide hole and slides up and down in the shell in a sealing mode along the guide hole, a cover plate is detachably connected to the upper end of the valve element, a waterproof breathable film is arranged between the cover plate and the valve element, a flange sliding block is detachably connected to the lower end of the valve element, a pressure relief spring is sleeved on the valve element, two ends of the pressure relief spring respectively abut against the baffle plate and the flange sliding block, a gas channel is formed in the middle of the valve element and the flange sliding block, vent holes communicated with the gas channel are formed in the cover body and the cover plate, and vent holes communicated with gaps between the shell and the valve element are formed in the flange sliding block.
2. The valve body with the functions of ventilation, pressure relief and explosion prevention as well as three functions of claim 1 is characterized in that: the lower end of the valve core is provided with an inserting part, the flange sliding block is provided with a bearing part corresponding to the inserting part, and the inserting part and the bearing part are matched to adjust the length of the valve core inserted into the flange sliding block.
3. The valve body with the functions of ventilation, pressure relief and explosion prevention as well as three functions of claim 2, is characterized in that: the inserting part and the bearing part are provided with corresponding threads.
4. The valve body with the functions of ventilation, pressure relief and explosion prevention as well as three functions of claim 1 is characterized in that: and a limiting flange is arranged at the upper end of the valve core and is detachably connected with the cover plate.
5. The valve body with the three-in-one functions of ventilation, pressure relief and explosion prevention as claimed in claim 4, is characterized in that: the limiting flange is provided with a connecting column, the cover plate is provided with a connecting hole corresponding to the connecting column, and the connecting column is connected with the connecting hole in an interference fit manner.
6. The valve body with the three-in-one functions of ventilation, pressure relief and explosion prevention as claimed in claim 4, is characterized in that: and a rubber ring is embedded on one surface of the limiting flange close to the baffle.
7. The valve body with the functions of ventilation, pressure relief and explosion prevention as well as three functions of claim 1 is characterized in that: the lateral wall of the upper end of the shell is provided with a clamping groove, and the inner wall of the cover body is provided with a clamping jaw corresponding to the clamping groove.
8. The valve body with the functions of ventilation, pressure relief and explosion prevention as well as three functions of claim 1 is characterized in that: the casing upper segment is equipped with sealed boss, rubber circle has been inlayed to sealed boss lower surface.
9. The valve body with the three-in-one functions of ventilation, pressure relief and explosion prevention as claimed in claim 8, is characterized in that: and the side wall of the shell below the sealing boss is provided with an external thread.
10. The valve body with the functions of ventilation, pressure relief and explosion prevention as well as three functions of claim 1 is characterized in that: the waterproof breathable film is made of polytetrafluoroethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651292.0U CN214662321U (en) | 2021-03-30 | 2021-03-30 | Valve body with ventilative explosion-proof trinity function of pressure release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651292.0U CN214662321U (en) | 2021-03-30 | 2021-03-30 | Valve body with ventilative explosion-proof trinity function of pressure release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662321U true CN214662321U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120651292.0U Active CN214662321U (en) | 2021-03-30 | 2021-03-30 | Valve body with ventilative explosion-proof trinity function of pressure release |
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| Country | Link |
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| CN (1) | CN214662321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220238954A1 (en) * | 2021-01-25 | 2022-07-28 | Lg Energy Solution, Ltd. | Venting Device for Secondary Batteries and Pouch-Shaped Secondary Battery Including the Same |
-
2021
- 2021-03-30 CN CN202120651292.0U patent/CN214662321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220238954A1 (en) * | 2021-01-25 | 2022-07-28 | Lg Energy Solution, Ltd. | Venting Device for Secondary Batteries and Pouch-Shaped Secondary Battery Including the Same |
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