Sealing device for pressure vessel

Abstract

The utility model discloses a sealing device for a pressure vessel, which comprises an external connection disc, the external connection disc is arranged on an external connection tank body, a pressure regulating mechanism is arranged on the external connection disc, and the pressure regulating mechanism comprises an opening and closing mechanism, an air bag, a one-way pipe, an air outlet pipe, a sealing sleeve, a sealing disc, a push rod, a bottom disc, a telescopic sleeve and a regulating mechanism, the opening and closing mechanism is connected to the external connection disc and the air bag in a matched mode, the one-way pipe is communicated with the air bag, accurate adjustment of sealing uniformity of the pressure container is achieved, uniform transmission of pressure is guaranteed through the arrangement of the air bag and the opening and closing mechanism, and the sealing state can be automatically adjusted according to pressure changes through the structures of the sealing sleeve and the sealing disc. The design of the push rod and the bottom disc enables the sealing device to respond to the pressure change, the sliding connection of the telescopic sleeve and the arrangement of the push spring provide additional safety protection, and the use of the pressure regulating mechanism obviously improves the flexibility and reliability of the sealing of the pressure container.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing for pressure containers, and more particularly to a sealing device for pressure containers. Background Art

[0002] Under existing technology, the sealing devices used in pressure vessels have certain limitations in adjusting the uniformity of the seal. These sealing devices often cannot be easily adjusted to achieve the ideal sealing effect for different working environments and usage requirements. This situation has a certain impact on the ease of use of pressure vessels and has also brought inconvenience to the maintenance and operation of the equipment.

[0003] Specifically, because existing pressure vessel sealing devices may lack design flexibility, when the internal pressure of the container changes or the container itself undergoes slight deformation, the sealing device may not be able to make corresponding adjustments in time, resulting in uneven sealing. This unevenness may not only affect the safety performance of the pressure vessel, but also shorten the service life of the sealing device and increase maintenance costs, thereby reducing the operational convenience and economic benefits of the overall equipment. Therefore, the development of a pressure vessel sealing device that can easily adjust the sealing uniformity has become an urgent problem to be solved in the current technical field. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a sealing device for a pressure vessel to solve the technical problems mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sealing device for a pressure vessel, comprising an external disk, which is installed on an external tank body, and a pressure regulating mechanism is provided on the external disk, and the pressure regulating mechanism comprises an opening and closing mechanism, an air bag, a one-way tube, an air outlet pipe, a sealing sleeve, a sealing disk, a push rod, a bottom disk, a telescopic sleeve and an adjustment mechanism, the opening and closing mechanism is cooperatively connected to the external disk and the air bag, the one-way tube is connected to the air bag, the air outlet pipe is connected to the one-way tube, the sealing sleeve is installed on the one-way tube, the sealing disk is pressed on the sealing sleeve, the push rod is installed on the sealing disk, and the bottom disk is installed on the push rod, the telescopic sleeve is slidably connected in the one-way tube, and the telescopic sleeve is slidably connected to the push rod.

[0006] The utility model is further configured such that a push spring is provided on the lower end surface of the sealing sleeve, the push spring abuts against the telescopic sleeve, and the telescopic sleeve can slide stably under pressure, thereby enhancing the responsiveness and reliability of the sealing device.

[0007] The utility model is further configured such that the adjustment mechanism includes a threaded section and a rotating disk, the threaded section is threadedly connected to the one-way tube, and the rotating disk is installed on the threaded section. This design enables the rotation of the rotating disk to be converted into linear movement through the threaded section, thereby realizing the adjustment of the push rod position and improving the accuracy and convenience of sealing pressure adjustment.

[0008] The utility model is further configured such that a telescopic hole is opened in the threaded section, a push rod is slidably connected in the telescopic hole, a spring is provided on the push rod, and the spring abuts against the rotating disk. This configuration enables the push rod to remain stable under the action of the spring, and the rotation of the rotating disk can drive the push rod to move, thereby realizing flexible adjustment of the pressure between the sealing disk and the sealing sleeve.

[0009] The utility model is further configured such that a follower sleeve is provided on the threaded section, and a compression spring is provided on the follower sleeve, which contacts the sealing disk. This design enables the follower sleeve to apply pressure to the sealing disk under the action of the compression spring, thereby ensuring good contact between the sealing disk and the sealing sleeve and improving the sealing effect.

[0010] The utility model is further configured such that two pressure regulating mechanisms are provided, and the two pressure regulating mechanisms are respectively installed on both sides of the airbag. This symmetrical arrangement enables the pressure to be evenly distributed on the airbag, ensuring that the pressure on both sides of the sealing device is balanced, thereby enhancing the uniformity and stability of the seal.

[0011] The present invention is further configured such that the opening and closing mechanism includes a receiving seat, a pressure plate and a pressure rod, the receiving seat is mounted on the external plate, the pressure plate is pressed on the receiving seat, one end of the pressure rod is rotatably connected to the external plate, and the other end of the pressure rod is rotatably connected to the pressure plate. This structural design enables the opening and closing mechanism to quickly compress and release the pressure plate and the airbag through the rotation of the pressure rod, thereby simplifying the operating process and improving the efficiency of use.

[0012] The utility model is further configured such that a rotating rod is rotatably provided on the external disk, the rotating rod is clamped on the pressure rod, a nut is threadedly provided on the rotating rod, and the nut is pressed on the pressure rod. This configuration enables the rotation of the rotating rod to apply pressure to the pressure rod through the nut, thereby achieving a firm locking of the opening and closing mechanism, ensuring the stability and safety of the sealing device under high-pressure environments.

[0013] Beneficial effects:

[0014] Compared with the prior art, the present invention provides a sealing device for a pressure vessel, which has the following beneficial effects:

[0015] 1. The pressure regulating mechanism realizes precise adjustment of the sealing uniformity of the pressure vessel through the cooperation of the opening and closing mechanism, air bag, one-way tube, air outlet pipe, sealing sleeve, sealing disk, push rod, bottom disk, telescopic sleeve and adjustment mechanism. The setting of the air bag and the opening and closing mechanism ensures the uniform transmission of pressure. The structure of the sealing sleeve and the sealing disk can automatically adjust the sealing state according to the pressure change. The design of the push rod and the bottom disk enables the sealing device to respond to pressure changes. The sliding connection of the telescopic sleeve and the setting of the push spring provide additional safety protection. The use of this pressure regulating mechanism significantly improves the flexibility and reliability of the pressure vessel seal.

[0016] 2. The adjustment mechanism realizes convenient adjustment of the sealing pressure through the cooperation of the threaded section and the rotating disk. The rotation of the rotating disk drives the movement of the threaded section, thereby changing the deformation of the compression spring, and then adjusting the pressure between the sealing disk and the sealing sleeve. This design enables the operator to quickly adjust the sealing pressure according to actual needs, ensuring the uniformity and effectiveness of the seal, and improving the operating convenience and sealing performance of the pressure vessel.

[0017] 3. The opening and closing mechanism realizes the rapid compression and release of the airbag through the cooperation of the receiving seat, pressure plate and pressure rod. The rotating connection of the pressure rod and the setting of the rotating rod enable the operator to control the pressure of the pressure plate on the airbag through a simple rotation action, thereby realizing the effective management of the internal pressure of the pressure vessel. The design of this opening and closing mechanism not only simplifies the operating process, but also improves the use efficiency and safety of the pressure vessel sealing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the sealing device for a pressure vessel in the present utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the cross-sectional structure;

[0020] Figure 3 This is a schematic structural diagram of the one-way pipe in the present utility model;

[0021] Figure 4 Schematic diagram of the cross-sectional structure of the earth 3 in the present utility model;

[0022] Figure 5 It is a structural schematic diagram of the telescopic sleeve in the utility model.

[0023] In the figure: 1. External plate; 2. Air bag; 3. One-way tube; 4. Exhaust pipe; 5. Sealing sleeve; 6. Sealing plate; 7. Push rod; 8. Bottom plate; 9. Telescopic sleeve; 10. Push spring; 11. Threaded section; 12. Rotating plate; 13. Telescopic hole; 14. Spring; 15. Follower sleeve; 16. Compression spring; 17. Socket; 18. Pressure plate; 19. Pressure rod; 20. Rotating rod; 21. Nut. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0026] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0027] See also Figure 1-5 , a sealing device for a pressure vessel, comprising an external disc 1, which is mounted on an external tank body, and a pressure regulating mechanism is provided on the external disc 1, which comprises an opening and closing mechanism, an air bag 2, a one-way tube 3, an air outlet pipe 4, a sealing sleeve 5, a sealing disc 6, a push rod 7, a bottom disc 8, a telescopic sleeve 9 and an adjusting mechanism, the opening and closing mechanism is cooperatively connected to the external disc 1 and the air bag 2, the one-way tube 3 is connected to the air bag 2, the air outlet pipe 4 is connected to the one-way tube 3, the sealing sleeve 5 is mounted on the one-way tube 3, the sealing disc 6 is pressed on the sealing sleeve 5, the push rod 7 is mounted on the sealing disc 6, and the bottom disc 8 is mounted on the push rod 7, the telescopic sleeve 9 is slidably connected in the one-way tube 3, and the telescopic sleeve 9 is slidably connected to the push rod 7, and a push spring 10 is provided on the lower end surface of the sealing sleeve 5, which contacts the telescopic sleeve 9, and the adjusting mechanism comprises a threaded section 11 and a rotating disc 12, the threaded section 11 is threadedly connected to the one-way tube On the tube 3, the rotating disk 12 is installed on the threaded section 11, and a telescopic hole 13 is opened in the threaded section 11. The push rod 7 is slidably connected in the telescopic hole 13. A spring 14 is provided on the push rod 7, and the spring 14 abuts on the rotating disk 12. A follower sleeve 15 is provided on the threaded section 11, and a compression spring 16 is provided on the follower sleeve 15. The compression spring 16 abuts on the sealing disk 6. There are two pressure regulating mechanisms, and the two pressure regulating mechanisms are respectively installed on both sides of the airbag 2. The opening and closing mechanism includes a socket 17, a pressure plate 18 and a pressure rod 19. The socket 17 is installed on the external disk 1, and the pressure plate 18 is pressed on the socket 17. One end of the pressure rod 19 is rotatably connected to the external disk 1, and the other end of the pressure rod 19 is rotatably connected to the pressure plate 18. A rotating rod 20 is rotatably provided on the external disk 1, and the rotating rod 20 is stuck on the pressure rod 19. A nut 21 is threaded on the rotating rod 20, and the nut 21 is pressed on the pressure rod 19.

[0028] In this embodiment, when it is necessary to adjust the uniformity of the seal, the pressure plate is first rotated, and then the nut 21 is threadedly connected to the rotating rod 20, and then the pressure rod 19 is fixed, and the airbag 2 is pressed between the receiving plate and the pressure plate 18 respectively. The airbag 2 ensures uniform pressure transmission, thereby ensuring the sealing process. When the pressure exceeds the pressure of the push spring 10, the telescopic sleeve 9 will slide upward and then release the seal between the telescopic sleeve 9 and the bottom plate 8. Then, when the pressure is greater than the pressure of the compression spring 16 and the spring 14, the sealing plate 6 will release the seal between the sealing sleeve 5, and then the gas will be discharged through the outlet pipe 4, thereby ensuring the pressure limitation and completing the sealing process.

[0029] More specifically, when the pressure needs to be adjusted, the rotating disk 12 drives the threaded section 11 to rotate, and then changes the deformation of the compression spring 16, thereby changing the pressure between the sealing disk 6 and the sealing sleeve 5, thereby completing the adjustment of the sealing pressure.

[0030] In summary, when the overall equipment is in use or running: when it is necessary to adjust the uniformity of the seal, first rotate the pressure plate, and then the nut 21 is threadedly connected to the rotating rod 20, and then the pressure rod 19 is fixed, and the airbag 2 is pressed between the receiving plate and the pressure plate 18 respectively. The airbag 2 ensures uniform pressure transmission, thereby ensuring the sealing process. When the pressure exceeds the pressure of the push spring 10, the telescopic sleeve 9 will slide upward and then release the seal between the telescopic sleeve 9 and the bottom plate 8. Then, when the pressure is greater than the pressure of the compression spring 16 and the spring 14, the sealing disc 6 will release the seal between the sealing sleeve 5, and then the gas will be discharged through the outlet pipe 4, thereby ensuring the pressure limitation, and then completing the sealing process. When the pressure needs to be adjusted, by rotating the rotating disc 12 and then driving the rotation of the threaded section 11, the deformation of the compression spring 16 is changed, thereby changing the pressure between the sealing disc 6 and the sealing sleeve 5, and thus completing the adjustment of the sealing pressure.

[0031] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A sealing device for a pressure vessel, comprising an external plate (1), characterized in that: The external disk (1) is installed on the external tank body. The external disk (1) is provided with a pressure regulating mechanism. The pressure regulating mechanism comprises an opening and closing mechanism, an air bag (2), a one-way tube (3), an air outlet pipe (4), a sealing sleeve (5), a sealing disk (6), a push rod (7), a bottom disk (8), a telescopic sleeve (9) and an adjusting mechanism. The opening and closing mechanism is cooperatively connected to the external disk (1) and the air bag (2). The one-way tube (3) is connected to the air bag (2). The air outlet pipe (4) is connected to the one-way tube (3). The sealing sleeve (5) is installed on the one-way tube (3). The sealing disk (6) is pressed on the sealing sleeve (5). The push rod (7) is installed on the sealing disk (6). The bottom disk (8) is installed on the push rod (7). The telescopic sleeve (9) is slidably connected in the one-way tube (3). The telescopic sleeve (9) is slidably connected to the push rod (7).

2. The sealing device for a pressure vessel according to claim 1, wherein: A push spring (10) is provided on the lower end surface of the sealing sleeve (5), and the push spring (10) abuts against the telescopic sleeve (9).

3. The sealing device for a pressure vessel according to claim 2, wherein: The adjustment mechanism comprises a threaded section (11) and a rotating disk (12); the threaded section (11) is threadedly connected to the one-way tube (3); and the rotating disk (12) is installed on the threaded section (11).

4. The sealing device for a pressure vessel according to claim 3, wherein: A telescopic hole (13) is provided in the threaded section (11), a push rod (7) is slidably connected in the telescopic hole (13), a spring (14) is provided on the push rod (7), and the spring (14) contacts the rotating disk (12).

5. The sealing device for a pressure vessel according to claim 4, wherein: A follower sleeve (15) is provided on the threaded section (11), a compression spring (16) is provided on the follower sleeve (15), and the compression spring (16) contacts the sealing disk (6).

6. The sealing device for a pressure vessel according to claim 5, wherein: Two pressure regulating mechanisms are provided, and the two pressure regulating mechanisms are respectively installed on both sides of the airbag (2).

7. The sealing device for a pressure vessel according to claim 1, wherein: The opening and closing mechanism comprises a receiving seat (17), a pressure plate (18) and a pressure rod (19); the receiving seat (17) is mounted on the external disc (1); the pressure plate (18) is pressed on the receiving seat (17); one end of the pressure rod (19) is rotatably connected to the external disc (1); and the other end of the pressure rod (19) is rotatably connected to the pressure plate (18).

8. The sealing device for a pressure vessel according to claim 7, wherein: A rotating rod (20) is rotatably provided on the external disc (1), the rotating rod (20) is clamped on the pressure rod (19), a nut (21) is threadedly provided on the rotating rod (20), and the nut (21) is pressed on the pressure rod (19).

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