CN210266046U - Safe combination pressure relief device - Google Patents
Safe combination pressure relief device Download PDFInfo
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- CN210266046U CN210266046U CN201920829746.1U CN201920829746U CN210266046U CN 210266046 U CN210266046 U CN 210266046U CN 201920829746 U CN201920829746 U CN 201920829746U CN 210266046 U CN210266046 U CN 210266046U
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- primary valve
- pressure relief
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Abstract
The utility model discloses a safe combination pressure relief device, include: the primary valve, the secondary valve and the storage tank, a first channel is arranged between the primary valve and the secondary valve, a first connecting head is arranged at the bottom of the primary valve, a limiting ring plate is arranged at one end of the primary valve close to the first connecting head, a vent hole is arranged on the limiting ring plate, a vent pipe is further arranged in the primary valve, a limiting sheet is arranged at one end of the vent pipe, a first sealing plug is arranged at the other end of the vent pipe, a plurality of first springs are further arranged in the primary valve, a support is arranged in the secondary valve corresponding to the first channel, a thimble is arranged on the support, a second sealing plug is arranged at one end of the thimble far away from the support, a plurality of second springs are arranged between the second sealing plug and the support, when the pressure in the gas cylinder or the gas cylinder is overlarge, the first sealing plug and the second sealing plug are jacked up, the medium enters the storage tank, automatic pressure relief of the gas cylinder or the gas tank is achieved, and therefore the pressure relief of the gas cylinder or the gas tank can be timely achieved.
Description
Technical Field
The application relates to the technical field of pressure relief equipment, especially, relate to a safety combination pressure relief device.
Background
The medium stored in the gas cylinder or the gas tank is generally high in risk, and it is particularly important to keep the pressure in the gas cylinder or the gas tank in a normal range, so that serious accidents can be caused once the pressure is too high. In order to avoid the over-high pressure of a gas cylinder or a gas tank, a pressure relief device is usually arranged on the gas cylinder or the gas tank, the existing pressure relief device comprises a pressure gauge and a pressure relief valve, the number of the pressure gauge is usually observed, the pressure relief operation is completed by manually controlling the pressure relief valve, if the number of the pressure gauge cannot be observed in time, the pressure relief operation cannot be carried out on the gas cylinder or the gas tank in time, and danger is very easy to occur.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a safe combination pressure relief device to take place the untimely problem of pressure relief easily among the solution prior art.
A safety combination pressure relief device comprising: the secondary valve is communicated with the storage tank through the second channel;
the bottom of the primary valve is provided with a first connector, the top of the primary valve is provided with a second connector, one end of the primary valve close to the first connector is provided with a limit ring plate, the limit ring plate is provided with a vent hole, the primary valve is also internally provided with a vent pipe, the first connector is communicated with the second connector through the vent pipe, one end of the vent pipe is provided with a limit piece, the other end of the vent pipe is provided with a first sealing plug, the two ends of the vent pipe respectively penetrate through the limit piece and the first sealing plug, the limit piece is positioned at the outer side of the top of the primary valve, one side of the limit piece close to the first sealing plug is abutted against the outer side of the top of the primary valve, the first sealing plug is matched with the vent hole, the first sealing plug is abutted against the vent hole, and the primary valve is also internally provided with a plurality of first springs, one end of the first spring is connected with the inner side of the top of the primary valve, and the other end of the first spring is connected with the first sealing plug;
the secondary valve is characterized in that a support is arranged in the secondary valve corresponding to the first channel, a thimble is arranged on the support, a second sealing plug is arranged at one end, away from the support, of the thimble, the second sealing plug is of a conical structure and is matched with a port, close to one end of the secondary valve, of the first channel, the second sealing plug abuts against a port, close to one end of the secondary valve, of the first channel, and a plurality of second springs are arranged between the second sealing plug and the support.
Optionally, the first springs are uniformly distributed with the vent pipe as a center.
Optionally, an end surface area of the first sealing plug close to one end of the first connector is smaller than an area of the vent, and an end surface area of the first sealing plug far away from one end of the first connector is larger than an area of the vent.
Optionally, the second springs are uniformly distributed with the thimble as a center.
The application provides a pressure relief device is made up safely, first connector is used for connecting gas cylinder or gas pitcher, and the second connector is used for connecting the starting and stopping valve, and the pressure relief device is made up safely that this application provided connects between gas cylinder or gas pitcher and starting and stopping valve promptly. When the on-off valve is in an open state, the medium in the gas cylinder or the gas tank is discharged into or out of the gas cylinder or the gas tank through the vent pipe; when the on-off valve is in a closed state, the primary valve, the secondary valve, the storage tank and the gas cylinder or the gas tank form a closed system, under the action of the first spring, the first sealing plug is pressed against the vent hole to form sealing between the first connecting head and the primary valve, under the action of the second spring, the second sealing plug is propped against the port of the first channel close to one end of the secondary valve, a seal is formed between the secondary valve and the primary valve, when the pressure in the gas cylinder or the gas tank is overlarge, the first sealing plug is jacked upwards, the medium enters the primary valve through the vent hole, when the pressure in the primary valve is overlarge, the second sealing plug is jacked up, the medium enters the secondary valve through the first channel, then enters the storage tank through the second channel, realizes the automatic pressure relief of the gas cylinder or the gas tank, therefore, the pressure of the gas cylinder or the gas tank can be released in time, and the problem that the pressure is not released in time in the prior art is solved. Moreover, the secondary valve is arranged between the primary valve and the storage tank, and the combined structure can prevent the medium in the storage tank from flowing back to the gas bottle or the gas tank, so that the dangerous situation can be further prevented.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural diagram of a safety combination pressure relief device according to an embodiment of the present disclosure.
Illustration of the drawings: 1-a primary valve, 2-a secondary valve, 3-a storage tank, 4-a first channel, 5-a second channel, 6-a first connector, 7-a second connector, 11-a limiting ring plate, 12-a vent pipe, 13-a limiting sheet, 14-a first sealing plug, 15-a first spring, 21-a support, 22-a thimble, 23-a second sealing plug, 24-a second spring and 111-a vent hole.
Detailed Description
Examples
Referring to fig. 1, a safety combination pressure relief device provided in an embodiment of the present application includes: primary valve 1, secondary valve 2 and holding vessel 3 are provided with first passageway 4 between primary valve 1 and the secondary valve 2, and primary valve 1 is linked together through first passageway 4 with secondary valve 2, is provided with second passageway 5 between secondary valve 2 and the holding vessel 3, and secondary valve 2 is linked together through second passageway 5 with holding vessel 3.
The bottom of the primary valve 1 is provided with a first connecting head 6, the top of the primary valve 1 is provided with a second connecting head 7, one end of the primary valve 1 close to the first connecting head 6 is provided with a limit ring plate 11, the limit ring plate 11 is provided with a vent hole 111, the primary valve 1 is also internally provided with a vent pipe 12, the first connecting head 6 is communicated with the second connecting head 7 through the vent pipe 12, one end of the vent pipe 12 is provided with a limit sheet 13, the other end of the vent pipe 12 is provided with a first sealing plug 14, two ends of the vent pipe 12 respectively penetrate through the limit sheet 13 and the first sealing plug 14, the limit sheet 13 is positioned at the outer side of the top of the primary valve 1, one side of the limit sheet 13 close to the first sealing plug 14 is abutted against the outer side of the top of the primary valve 1, the first sealing plug 14 is matched with the vent hole 111, the first sealing plug 14 is abutted against the vent hole 111, the primary valve 1 is also provided with a plurality of first springs 15, the other end of the first spring 15 is connected to the first sealing plug 14.
A support 21 is arranged in the secondary valve 2 corresponding to the first passage 4, a thimble 22 is arranged on the support 21, a second sealing plug 23 is arranged at one end, far away from the support 21, of the thimble 22, the second sealing plug 23 is of a conical structure, the second sealing plug 23 is matched with a port of the first passage 4 close to one end of the secondary valve 2, the second sealing plug 23 is abutted against a port of the first passage 4 close to one end of the secondary valve 2, and a plurality of second springs 24 are arranged between the second sealing plug 23 and the support 21.
Optionally, the first springs 15 are evenly distributed around the vent tube 12.
Alternatively, the area of the end surface of the first sealing plug 14 close to the first connector 6 is smaller than the area of the vent 111, and the area of the end surface of the first sealing plug 14 far from the first connector 6 is larger than the area of the vent 111.
Optionally, the second springs 24 are uniformly distributed around the thimble 22.
According to the technical scheme, the safe combined pressure relief device provided by the embodiment of the application has the advantages that the first connecting head 6 is used for connecting the gas cylinder or the gas cylinder, the second connecting head 7 is used for connecting the opening and closing valve, and the safe combined pressure relief device provided by the application is connected between the gas cylinder or the gas cylinder and the opening and closing valve. When the on-off valve is in an open state, the medium in the gas cylinder or the gas tank is discharged into or out of the gas cylinder or the gas tank through the vent pipe 12; when the on-off valve is in a closed state, the primary valve 1, the secondary valve 2 and the storage tank 3 form a closed system with the gas cylinder or the gas tank, under the action of the first spring 15, the first sealing plug 14 abuts against the vent hole 111, sealing is formed between the first connecting head 6 and the primary valve 1, under the action of the second spring 24, the second sealing plug 23 abuts against a port of the first channel 4 close to one end of the secondary valve 2, sealing is formed between the secondary valve 2 and the primary valve 1, when the pressure in the gas cylinder or the gas tank is overlarge, the first sealing plug 14 is jacked upwards, a medium enters the primary valve 1 through the vent hole 111, when the pressure in the primary valve 1 is overlarge, the second sealing plug 23 is jacked, the medium enters the secondary valve 2 through the first channel 4 and then enters the storage tank 3 through the second channel 5, so that the pressure of the gas cylinder or the gas tank is relieved automatically, therefore, the pressure of the gas cylinder or the gas tank can be released in time, and the problem that the pressure is not released in time in the prior art is solved. Moreover, the secondary valve 2 is arranged between the primary valve 1 and the storage tank 3, and the combined structure can prevent the medium in the storage tank 3 from flowing back to the gas bottle or the gas tank, so that the dangerous situation can be further prevented.
In particular, the drawings are only schematic, and for convenience of explanation and explanation of the technical solutions, in the same drawings, a part of the structure is processed by a section, a part of the structure is not processed by a section for convenience of presentation, and in the case that a person skilled in the art can implement the technical solutions by technical means commonly used in the art, a part of the structure not affecting the technical solutions is omitted.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
The above embodiments of the present application do not limit the scope of the present application.
Claims (4)
1. A safety combination pressure relief device, comprising: the secondary valve is characterized by comprising a primary valve (1), a secondary valve (2) and a storage tank (3), wherein a first channel (4) is arranged between the primary valve (1) and the secondary valve (2), the primary valve (1) is communicated with the secondary valve (2) through the first channel (4), a second channel (5) is arranged between the secondary valve (2) and the storage tank (3), and the secondary valve (2) is communicated with the storage tank (3) through the second channel (5);
the bottom of primary valve (1) is provided with first connector (6), the top of primary valve (1) is provided with second connector (7), the one end that primary valve (1) is close to first connector (6) is provided with spacing crown plate (11), be provided with blow vent (111) on spacing crown plate (11), still be provided with breather pipe (12) in primary valve (1), first connector (6) with second connector (7) are linked together through breather pipe (12), the one end of breather pipe (12) sets up spacing piece (13), the other end of breather pipe (12) is provided with first sealing plug (14), the both ends of breather pipe (12) run through respectively in spacing piece (13) with first sealing plug (14), spacing piece (13) are located the outside at primary valve (1) top, one side, close to the first sealing plug (14), of the limiting sheet (13) is abutted against the outer side of the top of the primary valve (1), the first sealing plug (14) is matched with the vent hole (111), the first sealing plug (14) is abutted against the vent hole (111), a plurality of first springs (15) are further arranged in the primary valve (1), one ends of the first springs (15) are connected with the inner side of the top of the primary valve (1), and the other ends of the first springs (15) are connected with the first sealing plug (14);
correspond in secondary valve (2) the position of first passageway (4) is provided with support (21), be provided with thimble (22) on support (21), thimble (22) are kept away from the one end of support (21) is provided with second sealing plug (23), second sealing plug (23) are the cone structure, second sealing plug (23) with first passageway (4) are close to the port looks adaptation of secondary valve (2) one end, second sealing plug (23) with first passageway (4) are close to the port of secondary valve (2) one end offsets, second sealing plug (23) with be provided with several second spring (24) between support (21).
2. A safety combination pressure relief device according to claim 1, wherein said first spring (15) is evenly distributed about said vent tube (12).
3. The combined pressure relief device according to claim 1, wherein the area of the end surface of the first sealing plug (14) near the first connector (6) is smaller than the area of the vent opening (111), and the area of the end surface of the first sealing plug (14) far from the first connector (6) is larger than the area of the vent opening (111).
4. The safety combination pressure relief device according to claim 1, wherein said second springs (24) are uniformly distributed about said thimble (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829746.1U CN210266046U (en) | 2019-06-03 | 2019-06-03 | Safe combination pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829746.1U CN210266046U (en) | 2019-06-03 | 2019-06-03 | Safe combination pressure relief device |
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| Publication Number | Publication Date |
|---|---|
| CN210266046U true CN210266046U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920829746.1U Active CN210266046U (en) | 2019-06-03 | 2019-06-03 | Safe combination pressure relief device |
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| CN (1) | CN210266046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234040A (en) * | 2021-12-14 | 2022-03-25 | 江阴市富仁高科股份有限公司 | Intelligent hydrogen combined bottleneck valve |
-
2019
- 2019-06-03 CN CN201920829746.1U patent/CN210266046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234040A (en) * | 2021-12-14 | 2022-03-25 | 江阴市富仁高科股份有限公司 | Intelligent hydrogen combined bottleneck valve |
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