CN216242239U - High-pressure vessel end socket capable of balancing pressure - Google Patents
High-pressure vessel end socket capable of balancing pressure Download PDFInfo
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- CN216242239U CN216242239U CN202122890453.4U CN202122890453U CN216242239U CN 216242239 U CN216242239 U CN 216242239U CN 202122890453 U CN202122890453 U CN 202122890453U CN 216242239 U CN216242239 U CN 216242239U
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Abstract
The utility model discloses a high-pressure container end socket capable of balancing pressure, which belongs to the technical field of end sockets and comprises an end socket body and a built-in end socket. A connecting hole is formed in the end socket body, and a pressure balancing device is arranged in the connecting hole; the pressure balancing device comprises a cylinder body, a cylinder cover, a piston rod, a limiting through hole, a limiting ball and a solenoid valve, wherein a pressure sensor is arranged in the high-pressure gas closed tank, the output end of the pressure sensor is electrically connected with the solenoid valve, a pressure relief hole is formed in the end socket body, an inner side port of the pressure relief hole is communicated with the side face of the piston, and an outer side port of the pressure relief hole is communicated with the atmosphere. The utility model solves the technical problems that the existing seal head can not balance the air pressure in the container, and the safety and industrial production of the seal head and a high-pressure container are influenced.
Description
Technical Field
The utility model belongs to the technical field of seal heads, and particularly relates to a high-pressure container seal head capable of balancing pressure.
Background
In the prior art, chemical equipment such as a reaction kettle, a heat exchanger and the like is required to be provided with a closed end enclosure device, and the existing end enclosure device is required to have corrosion resistance, sealing performance and pressure-resistant and pressure-relief functions; especially, in the existing reaction kettle, heat exchanger and other equipment, due to various chemical reactions and expansion with heat and contraction with cold, the interior of the cavity of the container not only needs to have good pressure resistance, but also needs to have a proper pressure relief function.
The pressure vessel head used at present can not balance the air pressure in the pressure vessel, which easily causes the air pressure in the pressure vessel to be too high or too low, and influences industrial production, and secondly, the mounting of the head is mostly undetachable, and if the inside of the pressure vessel is maintained, the time is wasted.
SUMMERY OF THE UTILITY MODEL
The technical problems solved by the utility model are as follows: the existing seal head can not balance the air pressure in the container, and the safety and industrial production of the seal head and a high-pressure container are influenced.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a high-pressure vessel end socket capable of balancing pressure comprises an end socket body; the lower end of the end socket body is provided with an opening, and the lower end is also provided with an internal thread; the inner part of the end socket body is also embedded with an internal end socket, the size of the internal end socket is matched with the size of the inner part of the end socket body, a circle of part at the outer side of the internal end socket is set as a rigid part, the middle part of the internal end socket is correspondingly provided with an elastic part, the elastic part can be correspondingly deformed, the elastic part is arranged in a downward concave way in the original state, and the vertical section of the elastic part is of an arc-shaped outline structure;
a connecting hole is formed in the end socket body, and a pressure balancing device is arranged in the connecting hole; the pressure balancing device comprises a cylinder body, a cylinder cover, a piston rod, a limiting through hole, a limiting ball and an electromagnetic valve; the cylinder body is arranged in the connecting hole; the piston is arranged in the cylinder body, and a piston rod is fixedly arranged on the upper top surface of the piston; the cylinder cover is arranged at the upper part of the cylinder body, and the upper part of the cylinder cover is provided with an inner cavity for the piston rod to move; a limiting through hole is formed in the upper end of the piston rod, a limiting groove is formed in an inner cavity on the left side of the limiting through hole, an electromagnetic valve is arranged in a cylinder cover on the right side of the limiting through hole, a limiting ball is arranged between the limiting groove and the left port of the limiting through hole, and an output shaft of the electromagnetic valve extends into the limiting through hole and then abuts against the right end of the limiting ball; a pressure sensor is arranged in the high-pressure gas closed tank, the output end of the pressure sensor is electrically connected with the electromagnetic valve, a pressure relief hole is formed in the seal head body, the port of the inner side of the pressure relief hole is communicated with the side face of the piston, and the port of the outer side of the pressure relief hole is communicated with the atmosphere.
Furthermore, a pressure spring is sleeved on the piston rod between the lower end face of the cylinder cover and the upper end face of the piston.
Furthermore, an inclined top surface is arranged on the upper top surface of the limiting groove.
Further, the lower end of the rigid part is provided with a circle of sealing gasket; the upper end of the rigid part is provided with compression springs which are evenly arranged at intervals, and the upper ends of the compression springs are correspondingly fixed on the seal head body.
Furthermore, an inserting rod is further installed in the middle of the upper end face of the elastic portion, the inserting rod protrudes upwards, a detachable ejector rod is inserted into the inserting rod, a second pressure relief hole is further formed in the upper end portion of the seal head body, and the second pressure relief hole is correspondingly installed in the second pressure relief hole in a sealed mode through a sealing plug.
Has the advantages that: compared with the prior art, the utility model has the following advantages:
according to the utility model, the pressure balancing device is arranged on the end socket body, and the electromagnetic valve and the pressure sensor in the container are utilized to realize automatic pressure relief, so that the balance of the pressure in the container is kept. The whole pressure balancing device is simple in structure, stable in operation and low in manufacturing cost.
The ejector rod on the built-in seal head and the plug in the pressure relief hole II on the seal head body are matched with each other to serve as a safety device for pressure relief of the device, namely the seal head can perform mechanical pressure relief under the condition that a pressure balance device is damaged or an electric signal is not communicated, and the safety of the seal head is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the pressure equalizing device.
Detailed Description
The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the high-pressure vessel end socket capable of balancing pressure of the application comprises an end socket body 1; the lower end of the end socket body 1 is provided with an opening, and the lower end is also provided with an internal thread 2; the interior of the end socket body 1 is also embedded with an internal end socket 3, the size of the internal end socket 3 is matched with the internal size of the end socket body 1, a circle of part outside the internal end socket 3 is provided with a rigid part 31, and the lower end of the rigid part 31 is provided with a circle of sealing gasket 5; and the upper end of this rigidity portion 31 then installs pressure spring 6, and pressure spring 6 interval evenly sets up to pressure spring 6's upper end is corresponding to be fixed on head body 1, and the middle part of built-in head 3 then is corresponding to be provided with elastic component 32, and this elastic component 32 is corresponding to be out of shape, and during original state, this elastic component 32 is sunken setting downwards, and its vertical cross-section is arc profile structure.
The end socket body 1 is provided with a connecting hole 4, and a pressure balancing device 7 is arranged in the connecting hole. The pressure balancing device 7 includes a cylinder 71, a cylinder cover 72, a piston 73, a piston rod 74, a limit through hole 75, a limit ball 76, and a solenoid valve 77. The cylinder 71 is disposed in the connection hole 4; the piston 73 is arranged in the cylinder 71, and a piston rod 74 is fixedly arranged on the upper top surface of the piston 73; the cylinder cover 72 is arranged at the upper part of the cylinder body 71, and the upper part of the cylinder cover 72 is provided with an inner cavity 78 for the piston rod 74 to move;
the upper end of the piston rod 74 is provided with a limit through hole 75, the inner cavity 78 on the left side of the limit through hole 75 is provided with a limit groove 79, the cylinder cover 72 on the right side of the limit through hole 75 is provided with an electromagnetic valve 77, a limit ball 76 is arranged between the limit groove 79 and the left port of the limit through hole 75, and an output shaft 771 of the electromagnetic valve 77 extends into the limit through hole 75 and then abuts against the right end of the limit ball 76.
A pressure sensor is arranged in the high-pressure gas closed tank, the output end of the pressure sensor is electrically connected with an electromagnetic valve 77, a pressure relief hole 12 is arranged on the seal head body 1, the end opening at the inner side of the pressure relief hole 12 is communicated with the side surface of the piston 73, and the end opening at the outer side of the pressure relief hole 12 is communicated with the atmosphere.
A compression spring 70 is sleeved on a piston rod 74 between the lower end surface of the cylinder cover 72 and the upper end surface of the piston 73. The pressure spring 70 plays a role in resetting the piston 73, the limiting ball 76 moves to the middle of the limiting through hole 75 after the electromagnetic valve 77 acts, the piston rod 74 which is not limited moves upwards under the action of high-pressure gas, the pressure relief hole 12 relieves the pressure, the piston 73 resets under the action of the pressure spring after the pressure is reduced, the output shaft 771 of the electromagnetic valve 77 continues to work, and the limiting ball 76 is pushed into the limiting groove 79.
An inclined top surface 791 is provided on the upper top surface of the limiting groove 79 to facilitate the travel of the limiting ball 76.
The working principle of the application is as follows: when the air pressure in the high-pressure air closed tank exceeds a limit value, the output end of the pressure sensor outputs a voltage signal to enable the electromagnetic valve to act, the output shaft of the electromagnetic valve retracts, meanwhile, the limit ball enters the limit through hole to enable the limit of the limit ball and the output shaft of the electromagnetic valve on the piston rod to be released, the piston and the piston rod move upwards under the action of overpressure gas in the high-pressure air closed tank, the pressure spring is further compressed, and when the piston moves upwards to enable the inner side port of the pressure release hole to be communicated with the inner cavity of the high-pressure air closed tank, the gas in the high-pressure air closed tank leaks into the atmosphere through the pressure release hole.
When the air pressure in the high-pressure air closed tank is reduced to a normal value, the output end of the pressure sensor outputs a voltage signal to enable the electromagnetic valve to act, the output shaft of the electromagnetic valve extends out to enter the limiting through hole, the output shaft abuts against the limiting ball to enable the limiting ball to enter the limiting groove again, the port of the inner side of the pressure relief hole is sealed by the piston again at the moment, and the pressure in the high-pressure air closed tank is kept to the normal value.
An inserting rod 8 is further installed in the middle of the upper end face of the elastic portion 32, the inserting rod 8 protrudes upwards, a detachable ejector rod 9 is inserted into the inserting rod 8, a second pressure relief hole 10 is further formed in the upper end portion of the end socket body 1, and the second pressure relief hole 10 is correspondingly installed in a closed mode through a sealing plug 11.
When the elastic part bounced up in this device, the air in its upper space can be compressed certainly, and if pressure is great, then the compression elastic part that can be by a relatively large margin certainly, air pressure also can increase substantially, just need the space position pressure release of elastic part top this moment, elastic part upper end is provided with the ejector pin in this device, when the deformation of elastic part is great, just can upwards push up sealed end cap gradually to release internal pressure, reach the effect of self-adaptation release internal pressure. The end cap and the ejector rod are matched to serve as a safety device, namely the end cap has a mechanical pressure relief effect under the condition that the pressure balancing device is damaged or information is unavailable.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A high-pressure vessel end socket capable of balancing pressure comprises an end socket body (1); the lower end of the end socket body (1) is provided with an opening, and the lower end is also provided with an internal thread (2); a built-in seal head (3) is further embedded in the seal head body (1), the size of the built-in seal head (3) is matched with the size of the interior of the seal head body (1), a rigid part (31) is arranged at one circle of the outer side of the built-in seal head (3), an elastic part (32) is arranged at the middle part of the built-in seal head, and the elastic part (32) can deform correspondingly; in the original state, the elastic part (32) is arranged in a downward concave manner, and the vertical section of the elastic part is of an arc-shaped outline structure;
the method is characterized in that: a connecting hole (4) is formed in the end socket body (1), and a pressure balancing device (7) is arranged in the connecting hole (4); the pressure balancing device (7) comprises a cylinder body (71), a cylinder cover (72), a piston (73), a piston rod (74), a limiting through hole (75), a limiting ball (76) and an electromagnetic valve (77); the cylinder body (71) is arranged in the connecting hole (4); the piston (73) is arranged in the cylinder body (71), and a piston rod (74) is fixedly arranged on the upper top surface of the piston (73); the cylinder cover (72) is arranged at the upper part of the cylinder body (71), and an inner cavity (78) for the piston rod (74) to move is arranged at the upper part of the cylinder cover (72); the upper end of the piston rod (74) is provided with a limiting through hole (75), an inner cavity (78) on the left side of the limiting through hole (75) is provided with a limiting groove (79), a cylinder cover (72) on the right side of the limiting through hole (75) is internally provided with an electromagnetic valve (77), a limiting ball (76) is arranged between the limiting groove (79) and the left port of the limiting through hole (75), and an output shaft (771) of the electromagnetic valve (77) extends into the limiting through hole (75) and then abuts against the right end of the limiting ball (76); a pressure sensor is arranged in the high-pressure gas closed tank, the output end of the pressure sensor is electrically connected with an electromagnetic valve (77), a pressure relief hole (12) is formed in the seal head body (1), the end opening of the inner side of the pressure relief hole (12) is communicated with the side face of the piston (73), and the end opening of the outer side of the pressure relief hole (12) is communicated with the atmosphere.
2. A pressure-equaliseable high pressure vessel closure according to claim 1, wherein: and a pressure spring (70) is sleeved on the piston rod (74) between the lower end surface of the cylinder cover (72) and the upper end surface of the piston (73).
3. A pressure-equaliseable high pressure vessel closure according to claim 1, wherein: an inclined top surface (791) is arranged on the upper top surface of the limiting groove (79).
4. A pressure-equaliseable high pressure vessel closure according to claim 1, wherein: the lower end of the rigid part (31) is provided with a circle of sealing gasket (5); the upper end of the rigid part (31) is provided with a compression spring (6), the compression springs (6) are evenly arranged at intervals, and the upper end of the compression spring (6) is correspondingly fixed on the seal head body (1).
5. A pressure-equaliseable high pressure vessel closure according to claim 1, wherein: an inserted bar (8) is further installed in the middle of the upper end face of the elastic portion (32), the inserted bar (8) protrudes upwards, a detachable ejector rod (9) is inserted into the inserted bar (8), a pressure relief hole II (10) is further formed in the upper end portion of the seal head body (1), and the pressure relief hole II (10) is correspondingly installed in a closed mode through a sealing plug (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122890453.4U CN216242239U (en) | 2021-11-22 | 2021-11-22 | High-pressure vessel end socket capable of balancing pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122890453.4U CN216242239U (en) | 2021-11-22 | 2021-11-22 | High-pressure vessel end socket capable of balancing pressure |
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| Publication Number | Publication Date |
|---|---|
| CN216242239U true CN216242239U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122890453.4U Active CN216242239U (en) | 2021-11-22 | 2021-11-22 | High-pressure vessel end socket capable of balancing pressure |
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| CN (1) | CN216242239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909472A (en) * | 2022-07-13 | 2022-08-16 | 扬州华宇管件有限公司 | Dual-phase steel leakage-proof seal head for nuclear waste discharge |
-
2021
- 2021-11-22 CN CN202122890453.4U patent/CN216242239U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909472A (en) * | 2022-07-13 | 2022-08-16 | 扬州华宇管件有限公司 | Dual-phase steel leakage-proof seal head for nuclear waste discharge |
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