CN113970004A - Explosion-proof valve - Google Patents

Explosion-proof valve Download PDF

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Publication number
CN113970004A
CN113970004A CN202010712642.XA CN202010712642A CN113970004A CN 113970004 A CN113970004 A CN 113970004A CN 202010712642 A CN202010712642 A CN 202010712642A CN 113970004 A CN113970004 A CN 113970004A
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CN
China
Prior art keywords
main body
proof valve
hole
gland
explosion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010712642.XA
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Chinese (zh)
Inventor
汪水
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Voir Science & Technology Co ltd
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Huizhou Voir Science & Technology Co ltd
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Filing date
Publication date
Application filed by Huizhou Voir Science & Technology Co ltd filed Critical Huizhou Voir Science & Technology Co ltd
Priority to CN202010712642.XA priority Critical patent/CN113970004A/en
Publication of CN113970004A publication Critical patent/CN113970004A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
    • F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)

Abstract

The invention is suitable for the field of valves, and particularly relates to an explosion-proof valve which comprises a main body; the main body is connected with a gland and is provided with a through hole leading to the gland; a plurality of vent holes are formed in the main body positioned on the periphery of the through hole; the elastic sealing structure is additionally arranged between the main body and the gland, and the exhaust hole and the through hole on the main body are elastically sealed through the elastic sealing structure; in normal work, the elastic sealing structure is sealed between the main body and the gland, and the elastic sealing structure is used for elastically sealing and isolating the exhaust holes and the through holes on the main body to form sealing so as to isolate the erosion of external air, water, dust and salt spray particles; during the abnormal work, inside atmospheric pressure is with elastic seal structure jack-up, removes elastic seal structure and cuts off the elastic seal of exhaust hole and through-hole, and exhaust hole and through-hole intercommunication form quick pressure release, avoid deformation and explosion risk, promote personnel's factor of safety and guarantee, have satisfied the demand of low pressure protection.

Description

Explosion-proof valve
Technical Field
The invention relates to the field of valves, in particular to an explosion-proof valve.
Background
The explosion-proof valve that new energy automobile battery package was applied to tradition mainly has two kinds:
firstly, the method comprises the following steps: the plastic ejector pin type explosion-proof valve has simple structure and relatively low manufacturing cost, and can be produced in large batch quickly; but the battery pack can only be applied to high-voltage pressure relief application occasions with the voltage of more than or equal to 10KPa, and the application environment trend of light weight and low-voltage protection of the current battery pack is difficult to meet.
Secondly, the method comprises the following steps: the metal spring type explosion-proof valve is complex in structure, needs to be machined and realized, is mostly manual in assembly and assembly, is low in automatic manufacturing degree, is difficult to realize mass manufacturing, is wide in application, can be suitable for high-pressure and low-pressure occasions, particularly for low-pressure protection, can start pressure relief within less than 10KPa, has a good pressure relief effect, and is suitable for the future low-pressure protection trend.
However, whether the plastic thimble explosion-proof valve or the metal spring type explosion-proof valve is adopted, the advantages and the disadvantages are obvious, the cost is high, the low-pressure protection requirement cannot be met, and the mass production cannot be guaranteed.
Disclosure of Invention
The invention aims to provide an explosion-proof valve, which aims to solve the problems that whether the explosion-proof valve is a plastic thimble explosion-proof valve or a metal spring type explosion-proof valve, the advantages and the disadvantages are obvious, the cost is high, the low-pressure protection requirement cannot be met, and the mass production cannot be guaranteed. In order to achieve the purpose, the invention provides the following technical scheme:
an explosion proof valve includes a body;
the main body is connected with a gland and is provided with a through hole leading to the gland;
a plurality of vent holes are formed in the main body positioned on the periphery of the through hole;
the explosion-proof valve also comprises an elastic sealing structure, wherein the elastic sealing structure is additionally arranged between the main body and the gland, and the exhaust hole and the through hole in the main body are elastically sealed through the elastic sealing structure.
In normal work, the elastic sealing structure is sealed between the main body and the gland, and the elastic sealing structure is used for elastically sealing and isolating the exhaust holes and the through holes on the main body to form sealing so as to isolate the erosion of external air, water, dust and salt spray particles; during the abnormal work, inside atmospheric pressure is with elastic seal structure jack-up, removes elastic seal structure and cuts off the elastic seal of exhaust hole and through-hole, and exhaust hole and through-hole intercommunication form quick pressure release, avoid deformation and explosion risk, promote personnel's factor of safety and guarantee, have satisfied the demand of low pressure protection, and is with low costs, is applicable to batch production.
The invention discloses an explosion-proof valve: the main part is detachably connected with the gland in a buckling way.
Further scheme: the gland is provided with a plurality of through holes.
The invention discloses an explosion-proof valve: the elastic sealing structure comprises an elastic sealing gasket, and the elastic sealing gasket is arranged on the main body;
the elastic sealing gasket is connected to the gland through an elastic structure.
Furthermore, the exhaust hole and the through hole on the main body can be elastically sealed for the first time through the elastic sealing gasket on the elastic sealing structure, and can be elastically sealed for the second time through the elastic structure; a seal is formed to isolate the outside air, water, dust and salt spray particles from erosion.
Further scheme: the elastic sealing gasket is a silica gel elastic sealing gasket.
Preferably: and the elastic sealing cushion is provided with an elastic material connecting ring.
Preferably: the cross section of the elastic material connecting ring is U-shaped.
Further scheme: the elastic structure is a spring.
And then the silica gel elastic sealing gasket is sealed with the spring combination cooperation, and the high and silica gel elastic sealing gasket of sealing grade realizes low pressure blasting, and is low-cost low.
The invention discloses an explosion-proof valve: the main part is sleeved with a sealing ring.
The invention discloses an explosion-proof valve: the main part is T type, and is fixed with the external screw thread pipe.
Compared with the prior art, the explosion-proof valve comprises a main body; the main body is connected with a gland and is provided with a through hole leading to the gland; a plurality of vent holes are formed in the main body positioned on the periphery of the through hole; the explosion-proof valve also comprises an elastic sealing structure, wherein the elastic sealing structure is additionally arranged between the main body and the gland, and the exhaust hole and the through hole on the main body are elastically sealed through the elastic sealing structure; in normal work, the elastic sealing structure is sealed between the main body and the gland, and the elastic sealing structure is used for elastically sealing and isolating the exhaust holes and the through holes on the main body to form sealing so as to isolate the erosion of external air, water, dust and salt spray particles; during the abnormal work, inside atmospheric pressure is with elastic seal structure jack-up, removes elastic seal structure and cuts off the elastic seal of exhaust hole and through-hole, and exhaust hole and through-hole intercommunication form quick pressure release, avoid deformation and explosion risk, promote personnel's factor of safety and guarantee, have satisfied the demand of low pressure protection, and is with low costs, is applicable to batch production.
Drawings
Fig. 1 is a schematic structural diagram of the explosion-proof valve of the invention.
Fig. 2 is a schematic structural view in a transverse section of the elastic sealing gasket of fig. 1.
Fig. 3 is a schematic view of a seal-like structure of an elastic sealing gasket in the explosion-proof valve of the present invention.
Fig. 4 is a schematic view of a pressure relief structure of an elastic sealing gasket in the explosion-proof valve of the present invention.
In the figure: 1-pressing a cover; 2-a spring; 3-an elastic sealing gasket; 4-a body; 5-sealing ring.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
The invention aims to provide an explosion-proof valve, which aims to solve the problems that whether the explosion-proof valve is a plastic thimble explosion-proof valve or a metal spring type explosion-proof valve, the advantages and the disadvantages are obvious, the cost is high, the low-pressure protection requirement cannot be met, and the mass production cannot be guaranteed. In order to achieve the purpose, the invention provides the following technical scheme:
in an embodiment of the present invention, as shown in fig. 1 and 3, an explosion-proof valve includes a main body 4; the main body 4 is connected with a gland 1 and is provided with a through hole leading to the gland 1; a plurality of vent holes are formed in the main body 4 positioned at the periphery of the through hole;
the explosion-proof valve further comprises an elastic sealing structure, the elastic sealing structure is additionally arranged between the main body 4 and the gland 1, and the exhaust holes and the through holes in the main body 4 are elastically sealed through the elastic sealing structure.
In the embodiment of the invention, in normal operation, the elastic sealing structure is sealed between the main body 4 and the gland 1, and the elastic sealing structure is used for elastically sealing and isolating the exhaust holes and the through holes on the main body 4 (as shown in fig. 3 in particular) to form sealing so as to isolate the erosion of external air, water, dust and salt spray particles; during the unusual work, inside atmospheric pressure is with elastic seal structure jack-up, removes elastic seal structure and cuts off the elastic seal of exhaust hole and through-hole, and exhaust hole and through-hole intercommunication form quick pressure release (specifically as shown in fig. 4), avoid deformation and explosion risk, promote personnel's factor of safety and guarantee, have satisfied the demand of low pressure protection, and is with low costs, is applicable to batch production.
In the embodiment of the present invention, as shown in fig. 1 and fig. 3, the main body 4 and the gland 1 are detachably connected in a snap-fit manner, wherein the connection manner between the main body 4 and the gland 1 is not limited to snap-fit, but may also be a threaded detachable connection, or a fixing pin is inserted in the detachable connection, as long as the detachable installation is satisfied, preferably, the main body 4 and the gland 1 are detachably connected in a snap-fit manner; in a further scheme, the gland 1 is provided with a plurality of through holes, wherein the shapes of the through holes are not limited as long as the through holes can be communicated, and the through holes can be prisms, circular truncated cones and the like.
In the embodiment of the present invention, as shown in fig. 1 to 3, the elastic sealing structure comprises an elastic packing 3, and the elastic packing 3 is provided on a main body 4; the elastic sealing gasket 3 is connected to the gland 1 through an elastic structure. Furthermore, the exhaust holes and the through holes on the main body 4 can be elastically sealed for the first time through the elastic sealing gasket 3 on the elastic sealing structure, and can be elastically sealed for the second time through the elastic structure; a seal is formed to isolate the outside air, water, dust and salt spray particles from erosion. In a further scheme, the elastic sealing gasket 3 is a silica gel elastic sealing gasket, wherein the material of the elastic sealing gasket 3 is limited to silica gel, and can be replaced by a polyether ester thermoplastic elastic material or a vinyl elastomer material, and the like, as long as elastic sealing can be satisfied, preferably, the elastic sealing gasket 3 is a silica gel elastic sealing gasket; the elastic structure is a spring 2. The elastic sealing gasket 3 is provided with an elastic material connecting ring, wherein the elastic material connecting ring can be a rubber elastic material connecting ring, a silica gel elastic material connecting ring or the like, and the specific type is not limited as long as the elastic sealing can be satisfied; the cross section of the elastic material connecting ring is U-shaped. And then the silica gel elastic sealing gasket is sealed with the combination cooperation of spring 2, and the high and silica gel elastic sealing gasket of sealing grade realizes low pressure blasting, and is low-cost low.
In the embodiment of the invention, as shown in fig. 1-3, a seal ring 5 is sleeved on the main body 4; the body 4 is T-shaped and is fixed with an external threaded tube.
The invention relates to an explosion-proof valve, which comprises a main body 4; the main body 4 is connected with a gland 1 and is provided with a through hole leading to the gland 1; a plurality of vent holes are formed in the main body 4 positioned at the periphery of the through hole; the explosion-proof valve also comprises an elastic sealing structure, wherein the elastic sealing structure is additionally arranged between the main body 4 and the gland 1, and the exhaust hole and the through hole on the main body 4 are elastically sealed through the elastic sealing structure; in normal operation, the elastic sealing structure is sealed between the main body 4 and the gland 1, and the elastic sealing structure is used for elastically sealing and isolating the exhaust holes and the through holes on the main body 4 to form sealing so as to isolate the erosion of external air, water, dust and salt spray particles; during the abnormal work, inside atmospheric pressure is with elastic seal structure jack-up, removes elastic seal structure and cuts off the elastic seal of exhaust hole and through-hole, and exhaust hole and through-hole intercommunication form quick pressure release, avoid deformation and explosion risk, promote personnel's factor of safety and guarantee, have satisfied the demand of low pressure protection, and is with low costs, is applicable to batch production.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. An explosion-proof valve is characterized in that,
the main body is connected with a gland and is provided with a through hole leading to the gland;
a plurality of vent holes are formed in the main body positioned on the periphery of the through hole;
the explosion-proof valve also comprises an elastic sealing structure, wherein the elastic sealing structure is additionally arranged between the main body and the gland, and the exhaust hole and the through hole in the main body are elastically sealed through the elastic sealing structure.
2. The explosion proof valve of claim 1 wherein the body and the gland are releasably snap-fit connected.
3. An explosion-proof valve as claimed in claim 2 wherein the gland is provided with a plurality of through holes.
4. An explosion proof valve according to claim 1,
the elastic sealing structure comprises an elastic sealing gasket, and the elastic sealing gasket is arranged on the main body;
the elastic sealing gasket is connected to the gland through an elastic structure.
5. The explosion proof valve as recited in claim 4 wherein said resilient gasket is a silicone resilient gasket.
6. An explosion proof valve as claimed in claim 5 wherein the resilient sealing gasket is provided with a resilient material attachment ring.
7. An explosion proof valve as claimed in claim 6 wherein the elastomeric interconnecting ring is U-shaped in cross-section.
8. An explosion proof valve as claimed in claim 4 wherein the resilient structure is a spring.
9. An explosion proof valve as claimed in any one of claims 1 to 8 wherein the body is provided with a sealing ring.
10. An explosion proof valve as claimed in any one of claims 1 to 8 wherein the body is T-shaped and has an externally threaded tube secured thereto.
CN202010712642.XA 2020-07-22 2020-07-22 Explosion-proof valve Pending CN113970004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010712642.XA CN113970004A (en) 2020-07-22 2020-07-22 Explosion-proof valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010712642.XA CN113970004A (en) 2020-07-22 2020-07-22 Explosion-proof valve

Publications (1)

Publication Number Publication Date
CN113970004A true CN113970004A (en) 2022-01-25

Family

ID=79584940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010712642.XA Pending CN113970004A (en) 2020-07-22 2020-07-22 Explosion-proof valve

Country Status (1)

Country Link
CN (1) CN113970004A (en)

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