CN211738134U - Explosion valve - Google Patents
Explosion valve Download PDFInfo
- Publication number
- CN211738134U CN211738134U CN202020318467.1U CN202020318467U CN211738134U CN 211738134 U CN211738134 U CN 211738134U CN 202020318467 U CN202020318467 U CN 202020318467U CN 211738134 U CN211738134 U CN 211738134U
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- Prior art keywords
- outflow channel
- annular
- gland
- rupture disk
- shell
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- Withdrawn - After Issue
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Abstract
The utility model provides a pair of explosion valve belongs to safe pressure release technical field, include: a gland having a first outflow channel; the rupture disk covers the outlet of the first outflow channel and is partially supported on the gland, and the annular nick is positioned on the area of the rupture disk for supporting on the gland; one end of the shell is abutted against the blasting sheet and is connected with the gland in a sealing way; one end of the shell, which is used for abutting against the rupture disk, is in contact with the outer area of the annular nick of the rupture disk; the shell is internally provided with a second outflow channel communicated with the first outflow channel, and the second outflow channel is arranged concentrically with the first outflow channel. The position relation of the annular nick in the interior of the blasting valve of the utility model is characterized in that when the side of the blasting sheet facing the shell is subjected to the detection pressure, the position where the blasting sheet deforms is positioned in the interior of the annular nick, and the blasting sheet cannot deform along the annular nick; the influence of the air tightness detection on the pressure bearing capacity of the rupture disk can be avoided.
Description
Technical Field
The utility model relates to a safe pressure release technical field, concretely relates to explosion valve.
Background
The explosion valve is used for protecting the pressure container from being damaged due to overpressure. Has the advantages of simple structure, good sealing performance and the like. It is suitable for working environment where the working medium has high viscosity, strong corrosion performance and sharply raised pressure, and the common safety valve is unable to work.
Before the explosion valve is used, the air tightness of the explosion valve needs to be detected; because be equipped with the nick that is used for the blasting on the inside rupture disk of blast valve, under the effect of pressure is examined, the rupture disk can take place deformation along the nick, reduces the bearing capacity of rupture disk under the normal operating mode.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the blast valve among the prior art and carrying out the gas tightness after detecting, the defect that the bearing capacity of its inside rupture disk can reduce to a blast valve that can reduce the gas tightness and detect the influence to the rupture disk is provided.
In order to solve the technical problem, the utility model provides a blast valve, include:
a gland having a first outflow channel;
a rupture disk covering the outlet of the first outflow channel and having a portion supported on the gland, the rupture disk having an annular score located on an area of the rupture disk for supporting on the gland;
one end of the shell is abutted against the blasting sheet and is connected with the gland in a sealing manner; one end of the shell, which is used for abutting against the rupture disk, is in contact with the outer area of the annular nick of the rupture disk; the shell is internally provided with a second outflow channel communicated with the first outflow channel, and the second outflow channel is arranged concentrically with the first outflow channel.
Preferably, a first annular groove is formed in the pressure cover at the outlet of the first outflow channel, and the rupture disk is mounted in the first annular groove.
Preferably, the housing is provided with an annular boss protruding toward the gland at one end for abutting against the rupture disk, and the annular boss abuts against an outer region of the annular notch of the rupture disk.
Preferably, the outer diameter of the annular boss is smaller than or equal to the inner diameter of the first annular groove.
Preferably, an inner diameter of the annular boss is smaller than an inner diameter of the second outflow passage.
Preferably, the second outflow channel has an inner diameter larger than that of the first outflow channel.
Preferably, the annular score is in a triangular groove structure.
Preferably, the annular score is a continuous score.
Preferably, the filter is further included, and a cover is arranged at the outlet of the second outflow channel.
Preferably, the housing is provided with a second annular groove at an outlet of the second outflow channel, and the filter is mounted in the second annular groove.
The utility model discloses technical scheme has following advantage:
1. in the blasting valve provided by the utility model, one side of the blasting sheet covers the outlet of the first outflow channel and is partially supported on the gland, and the other side of the blasting sheet is abutted against the shell which is connected with the gland in a sealing way; the rupture disk is provided with an annular nick, the rupture disk faces one side of the gland, and the annular nick is partially supported on the gland; the outer area of the annular notch of the rupture disk abuts against the shell; when the pressure is introduced from the second outflow channel to perform air tightness detection on the explosion valve, the annular nick part is supported on the gland, so that the position where the explosion piece deforms can be located in the annular nick, and deformation along the annular nick cannot occur; . The influence of the air tightness detection on the pressure bearing capacity of the rupture disk can be avoided, and the pressure relief phenomenon of the pressure container under the condition of no overpressure is avoided. The second outflow channel on the shell and the first outflow channel are arranged concentrically, and smooth pressure relief can be guaranteed. The influence of the air tightness detection on the pressure bearing capacity of the rupture disk can be avoided.
2. The utility model provides a blast valve, the gland is equipped with the first annular groove in the exit of the first outflow channel, the rupture disk is installed in the first annular groove;
3. the utility model provides a blasting valve, wherein an annular boss extending towards the gland direction is arranged at one end of a shell used for abutting against a blasting sheet, and the annular boss abuts against the outer region of the annular nick of the blasting sheet; the area of the rupture disk in contact with the annular boss can be stressed in a concentrated mode, so that the shell is in closer contact with the rupture disk, and the air tightness of the rupture valve is guaranteed.
4. In the blasting valve provided by the utility model, the outer diameter of the annular boss is less than or equal to the inner diameter of the first annular groove; the annular boss can be inserted into the first annular groove, so that the shell can be tightly connected with the gland, and the air tightness of the explosion valve is improved.
5. In the blasting valve provided by the utility model, the inner diameter of the annular boss is smaller than that of the second outflow channel; the diameter of the rupture disk is smaller than the inner diameter of the second outflow channel, and the second outflow channel still has enough pressure relief channels after the rupture disk falls off in a pressure relief state, so that normal pressure relief is not influenced.
6. In the blasting valve provided by the utility model, the inner diameter of the second outflow channel is larger than that of the first outflow channel; when the explosion valve is in a pressure relief state, the medium can flow out rapidly, and the pressure relief speed is increased.
7. The utility model provides a blasting valve, annular nick are the triangular groove structure, simple structure, and the convenience is got rid of to the material, and the control of being convenient for gets rid of the material of uniform thickness everywhere.
8. The utility model provides a blasting valve, annular nick are continuous nick, under the pressure release state, do benefit to the rupture disk and wholly drop from annular nick, the pressure release rapidly.
9. The utility model provides a blasting valve, the exit of second outflow passageway is located to the filter lid, under the pressure release state, makes the medium flow through the filter and collects, avoids the residue pollution medium that flows of rupture disk.
10. The utility model provides a blasting valve, second annular groove sets up, and the filter location of being convenient for is installed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view cross-sectional view of a burst valve provided in the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Fig. 3 is a schematic view of the installation position relationship between the gland and the housing.
Description of reference numerals:
1. a gland; 2. a housing; 3. a rupture disk; 4. a filter; 5. a first annular groove; 6. a first outflow channel; 7. a second outflow channel; 8. annular nicking; 9. an annular boss; 10. a second annular groove.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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 in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The blast valve that this embodiment provided includes: gland 1, casing 2, rupture disk 3 and filter 4.
As shown in fig. 1, 2 and 3, the gland 1 is cylindrical, a first outflow channel 6 is arranged at the center of the gland 1, and a first annular groove 5 is arranged at the outlet of the first outflow channel 6 on the gland 1; the shell 2 is cylindrical, a through second outflow channel 7 is arranged at the center of the shell 2, and an annular boss 9 facing outwards is arranged at an inlet of the second outflow channel 7 on the shell 2; the rupture disk 3 is circular, a continuous annular nick 8 is arranged on the rupture disk 3, and the annular nick 8 is of a triangular groove structure for removing materials; the rupture disk 3 is installed in a first annular groove 5 of the gland 1, an annular nick 8 of the rupture disk 3 is partially supported on the gland 1 at the first annular groove 5, and the diameter of the annular nick 8 is larger than the inner diameter of the first outflow channel 6; one side of the rupture disk 3, which is far away from the gland 1, abuts against an annular boss 9 of the shell 2, the outer area of the annular nick 8 is in contact with the annular boss 9, and the diameter of the annular nick 8 is smaller than the inner diameter of the annular boss 9; the annular boss 9 is inserted into the first annular groove 5, and the outlet end face of the first outflow channel 6 of the gland 1 is in close contact with the inlet end face of the second outflow channel 7 of the housing 2 and is connected by welding. When the side of the rupture disk 3 facing the shell 2 is subjected to detection pressure, the annular nick 8 is partially supported on the gland 1, so that the position where the rupture disk 3 deforms is positioned in the annular nick 8 and cannot deform along the annular nick 8; deformation cannot be generated along the annular nick; the influence of the air tightness detection on the pressure bearing capacity of the rupture disk can be avoided, and the pressure relief phenomenon of the pressure container under the condition of no overpressure is avoided.
As shown in fig. 1, the inner diameter of the annular boss 9 is larger than the inner diameter of the first outflow channel 6 and smaller than the inner diameter of the second outflow channel 7, and in a pressure relief state, a medium at the first outflow channel 6 can rapidly flow into the second outflow channel 7 through the inner diameter of the annular boss 9; even if the rupture disk 3 falls off, the second outflow channel 7 still has enough pressure relief channels, and normal pressure relief is not influenced. The first outflow channel 6 and the second outflow channel 7 are arranged concentrically, so that the medium can flow out uniformly and fully distributed at each position of the second outflow channel 7, and the smooth pressure relief is ensured.
As shown in fig. 1, a second annular groove 10 is provided at the outlet of the second outflow channel 7 on the housing 2, and the filter 4 is installed in the second annular groove 10, so that the medium is collected after flowing out through the filter 4, thereby preventing the residue of the rupture disk 3 from polluting the flowing medium.
The using process and the method are as follows:
the air tightness of the blasting valve is detected through pressure from the second outflow channel 7, and the blasting valve can be normally used after the air tightness requirement is met; the first outflow channel 6 of the explosion valve is connected with a pressure container, and when the pressure in the pressure container exceeds the preset pressure, the rupture disk 3 will rupture along the annular nick 8 to perform safe pressure relief.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A burst valve, comprising:
a gland (1) having a first outflow channel (6);
a rupture disk (3) covering the outlet of the first outflow channel (6) and having a portion supported on the gland (1), the rupture disk (3) having an annular score (8) thereon, the annular score (8) being located on the area of the rupture disk (3) for supporting on the gland (1);
the shell (2) is abutted against the rupture disc (3) at one end and is connected with the gland (1) in a sealing way; one end of the shell (2) used for abutting against the rupture disk (3) is in contact with the outer area of the annular nick (8) of the rupture disk (3); the shell (2) is internally provided with a second outflow channel (7) communicated with the first outflow channel (6), and the second outflow channel (7) is arranged concentrically with the first outflow channel (6).
2. The burst valve according to claim 1, characterised in that the gland (1) is provided with a first annular groove (5) at the outlet of the first outflow channel (6), the burst disk (3) being mounted in the first annular groove (5).
3. The burst valve according to claim 2, characterized in that the housing (2) is provided with an annular projection (9) on one end for abutment against the rupture disc (3) in the direction of the gland (1), the annular projection (9) abutting against an outer region of the annular indentation (8) of the rupture disc (3).
4. A burst valve according to claim 3, characterised in that the outer diameter of the annular boss (9) is smaller than or equal to the inner diameter of the first annular groove (5).
5. The burst valve according to claim 4, wherein the annular boss (9) has an inner diameter smaller than the inner diameter of the second outflow channel (7).
6. A burst valve according to any of claims 1 to 5, characterised in that the second outflow channel (7) has a larger inner diameter than the first outflow channel (6).
7. The burst valve according to claim 1, wherein the annular score (8) is of triangular groove configuration.
8. The burst valve according to claim 1, wherein the annular score (8) is a continuous score.
9. The burst valve according to claim 1, further comprising a filter (4) provided at the outlet of the second outflow channel (7).
10. Burst valve according to claim 9, characterised in that the housing (2) is provided with a second annular groove (10) at the outlet of the second outflow channel (7), the filter (4) being mounted in the second annular groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318467.1U CN211738134U (en) | 2020-03-13 | 2020-03-13 | Explosion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318467.1U CN211738134U (en) | 2020-03-13 | 2020-03-13 | Explosion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211738134U true CN211738134U (en) | 2020-10-23 |
Family
ID=72857384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020318467.1U Withdrawn - After Issue CN211738134U (en) | 2020-03-13 | 2020-03-13 | Explosion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211738134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977843A (en) * | 2021-05-07 | 2021-06-18 | 北京三快在线科技有限公司 | Parachute device and unmanned aerial vehicle |
-
2020
- 2020-03-13 CN CN202020318467.1U patent/CN211738134U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977843A (en) * | 2021-05-07 | 2021-06-18 | 北京三快在线科技有限公司 | Parachute device and unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100045 1-14-214, 2nd floor, 136 Xiwai street, Xicheng District, Beijing Patentee after: Beijing Star glory Space Technology Co.,Ltd. Patentee after: Beijing Star glory Technology Co.,Ltd. Patentee after: Beijing Star smart Manufacturing Technology Co.,Ltd. Address before: 329, floor 3, building 1, No. 9, Desheng South Street, Daxing Economic and Technological Development Zone, Beijing 100176 Patentee before: BEIJING XINGJIRONGYAO SPACE TECHNOLOGY Co.,Ltd. Patentee before: Beijing Star glory Technology Co.,Ltd. Patentee before: Beijing Star smart Manufacturing Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201023 Effective date of abandoning: 20210521 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20201023 Effective date of abandoning: 20210521 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |