CN219139792U

CN219139792U - Pressure vessel with adjustable volume

Info

Publication number: CN219139792U
Application number: CN202223539185.2U
Authority: CN
Inventors: 卢广强; 王旭; 王双昊; 孙宝石; 杨春涛
Original assignee: Hebei Runfeng Cryogenic Equipment Co ltd
Current assignee: Hebei Runfeng Cryogenic Equipment Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-06
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a pressure container with adjustable volume, wherein a movable bottom plate is arranged in a shell; a supporting plate is arranged at the center of the bottom surface of the movable bottom plate; the central position of the bottom surface of the supporting plate is connected with a piston of the hydraulic cylinder; a lip seal a is arranged on the upper side of the side surface of the movable bottom plate; a lip seal b is arranged at the lower side of the side surface of the movable bottom plate; the lip seals a and a are both contacted with the inner side of the shell; a detection cavity is formed between the lip seals a and a; a pressure measuring channel is arranged in the movable bottom plate; one end of the pressure measuring channel is communicated with the detection cavity, and the other end of the pressure measuring channel is arranged on the bottom surface of the movable bottom plate; a pressure sensor is arranged at the opposite position of the bottom surface of the movable bottom plate and the pressure measuring channel; a wireless data transmitter is arranged at one side of the pressure sensor; a pressure gauge is arranged in the center of the top surface of the shell; according to the utility model, the volume of the shell can be further adjusted through lifting of the hydraulic cylinder, so that the volume adjustment is realized, and the lip seal a and the lip seal b are used for sealing, so that the pressure bearing capacity is high.

Description

Pressure vessel with adjustable volume

Technical Field

The utility model relates to the technical field of pressure vessels, in particular to a pressure vessel with an adjustable volume.

Background

At present, with the continuous development of technology and the progress of the age, the living standard of people is continuously improved, so that the requirements of people on the pressure container are also higher and higher; a pressure vessel, which refers to a closed device containing a gas or liquid and a certain pressure; in some pressure tests or manufacturing, it is required that the volume of the pressure vessel be adjustable, such as by changing the pressure by volume adjustment, etc., which requires that the volume of the pressure vessel be adjustable, and thus a new pressure vessel with adjustable volume is required.

Disclosure of Invention

The present utility model is directed to a pressure vessel with an adjustable volume, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pressure container with adjustable volume comprises a shell, a mounting bottom ring, a hydraulic cylinder, a movable bottom plate, a pressure gauge and an exhaust pipe; the center of the bottom surface of the shell is provided with a circular notch; the bottom edge of the shell is connected with a mounting bottom ring; a movable bottom plate is arranged in the shell; a supporting plate is arranged at the center of the bottom surface of the movable bottom plate; the central position of the bottom surface of the supporting plate is connected with a piston of the hydraulic cylinder; a limiting ring is arranged in the shell at the lower side of the movable bottom plate; a lip seal a is arranged on the upper side of the side surface of the movable bottom plate; a lip seal b is arranged on the lower side of the side surface of the movable bottom plate; the lip seals a and b are both in contact with the inner side of the shell; a detection cavity is formed between the lip seal a and the lip seal b; a pressure measuring channel is arranged in the movable bottom plate; one end of the pressure measuring channel is communicated with the detection cavity, and the other end of the pressure measuring channel is arranged on the bottom surface of the movable bottom plate; a pressure sensor is arranged at the position, opposite to the pressure measuring channel, of the bottom surface of the movable bottom plate; a wireless data transmitter is arranged on one side of the pressure sensor; and a pressure gauge is arranged in the center of the top surface of the shell.

Preferably, the top surface of the shell is provided with an air inlet pipe at one side of the pressure gauge; and the top surface of the shell is provided with an exhaust pipe at the other side of the pressure gauge.

Preferably, the lips of the lip seal a and the lip seal a face the top surface of the shell.

Preferably, a plurality of supporting legs are uniformly distributed on the bottom surface of the mounting bottom ring; and the bottom surface of the supporting leg is provided with a connecting base plate.

Preferably, a damping rubber ring is arranged on the bottom surface of the hydraulic cylinder.

Preferably, the pressure sensor is in electrical signal connection with a wireless data transmitter; the pressure sensor is of the type ELE-801; the wireless data transmitter model is A7139.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the volume of the shell can be further adjusted through lifting of the hydraulic cylinder, so that the volume adjustment is realized, and the lip seal a and the lip seal b are used for sealing, so that the bearing capacity is high; when the hydraulic cylinder is used, the inside of the hydraulic cylinder is pressurized or depressurized, so that a piston rod of the hydraulic cylinder drives the movable bottom plate to move in the shell, and the closed volume in the shell is changed accordingly, thereby realizing volume adjustment; this novel lip seal a seals with lip seal b, and twice seal improves and leaks fault tolerance to when lip seal a became invalid, lip seal b began to act on, detects the intracavity punching press, detects the pressure in chamber and can be detected out by pressure sensor through the pressure measurement passageway, and outside with pressure data transmission through wireless data transmitter, the person of facilitating the use receives and handles.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an oblique view of the present utility model;

FIG. 3 is a cross-sectional view of a pressure measurement channel of the present utility model;

fig. 4 is an isometric view of the present utility model.

In the figure: 1. a housing; 2. a support plate; 3. installing a bottom ring; 4. a hydraulic cylinder; 5. a movable bottom plate; 6. a support leg; 7. connecting the backing plate; 8. an air inlet pipe; 9. a pressure gauge; 10. an exhaust pipe; 11. a limiting ring; 12. damping rubber rings; 13. lip seal a; 14. lip seal b; 15. a pressure measuring channel; 16. a pressure sensor; 17. a wireless data transmitter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the pressure vessel with adjustable volume comprises a shell 1, a mounting bottom ring 3, a hydraulic cylinder 4, a movable bottom plate 5, a pressure gauge 9 and an exhaust pipe 10; a circular notch is formed in the center of the bottom surface of the shell 1; the bottom edge of the shell 1 is connected with a mounting bottom ring 3; a movable bottom plate 5 is arranged in the shell 1; the supporting plate 2 is arranged at the center of the bottom surface of the movable bottom plate 5; the central position of the bottom surface of the supporting plate 2 is connected with a piston of the hydraulic cylinder 4; a limiting ring 11 is arranged in the shell 1 at the lower side of the movable bottom plate 5; a lip seal a13 is arranged on the upper side of the side surface of the movable bottom plate 5; a lip seal b14 is arranged on the lower side of the side surface of the movable bottom plate 5; both the lip seals a13 and b14 are contacted with the inner side of the shell 1; a detection cavity is formed between the lip seal a13 and the lip seal b14; a pressure measuring channel 15 is arranged in the movable bottom plate 5; one end of the pressure measuring channel 15 is communicated with the detection cavity, and the other end of the pressure measuring channel is arranged on the bottom surface of the movable bottom plate 5; the pressure sensor 16 is arranged at the position of the bottom surface of the movable bottom plate 5 opposite to the pressure measuring channel 15; a wireless data transmitter 17 is arranged on one side of the pressure sensor 16; a pressure gauge 9 is arranged in the center of the top surface of the shell 1.

Further, the top surface of the housing 1 is provided with an air inlet pipe 8 at one side of the pressure gauge 9; the top surface of the shell 1 is provided with an exhaust pipe 10 at the other side of the pressure gauge 9.

Further, the lips of the lip seals a13 and b14 face the top surface of the housing 1.

Furthermore, a plurality of supporting legs 6 are uniformly distributed on the bottom surface of the mounting bottom ring 3; the bottom surface of the supporting leg 6 is provided with a connecting base plate 7.

Further, a damping rubber ring 12 is installed on the bottom surface of the hydraulic cylinder 4.

Further, the pressure sensor 16 is electrically connected with a wireless data transmitter 17; the model number of the pressure sensor 16 is ELE-801; the wireless data transmitter 17 is of model a7139.

In the concrete implementation of the utility model, the piston rod of the hydraulic cylinder 4 drives the movable bottom plate 5 to move in the shell 1 by pressurizing or depressurizing the interior of the hydraulic cylinder 4, so that the closed volume in the shell 1 is changed, thereby realizing volume adjustment; the lip seal a13 and the lip seal b14 are adopted for sealing, the leakage fault tolerance rate is improved by the two seals, and when the lip seal a13 fails, the lip seal b14 starts to act, the stamping in the cavity is detected, the pressure in the cavity can be detected by the pressure sensor 16 through the pressure measuring channel 15, and the pressure data is transmitted to the outside through the wireless data transmitter 17, so that the user can receive and process the pressure data conveniently; the utility model can further adjust the volume of the shell 1 by lifting the hydraulic cylinder 4, realizes volume adjustment, and seals the shell through the lip seal a13 and the lip seal b14, thereby having strong bearing capacity.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pressure vessel of adjustable volume, characterized in that: comprises a shell (1), a mounting bottom ring (3), a hydraulic cylinder (4), a movable bottom plate (5), a pressure gauge (9) and an exhaust pipe (10); a circular notch is arranged in the center of the bottom surface of the shell (1); the bottom edge of the shell (1) is connected with a mounting bottom ring (3); a movable bottom plate (5) is arranged in the shell (1); a supporting plate (2) is arranged at the central position of the bottom surface of the movable bottom plate (5); the central position of the bottom surface of the supporting plate (2) is connected with a piston of the hydraulic cylinder (4); a limiting ring (11) is arranged in the shell (1) at the lower side of the movable bottom plate (5); a lip seal a (13) is arranged on the upper side of the side surface of the movable bottom plate (5); a lip seal b (14) is arranged at the lower side of the side surface of the movable bottom plate (5); the lip seals a (13) and b (14) are both in contact with the inner side of the shell (1); a detection cavity is formed between the lip seal a (13) and the lip seal b (14); a pressure measuring channel (15) is arranged in the movable bottom plate (5); one end of the pressure measuring channel (15) is communicated with the detection cavity, and the other end of the pressure measuring channel is arranged on the bottom surface of the movable bottom plate (5); a pressure sensor (16) is arranged at the opposite position of the bottom surface of the movable bottom plate (5) and the pressure measuring channel (15); a wireless data transmitter (17) is arranged on one side of the pressure sensor (16); a pressure gauge (9) is arranged in the center of the top surface of the shell (1).

2. A pressure vessel of adjustable volume as defined in claim 1 wherein: an air inlet pipe (8) is arranged on one side of the pressure gauge (9) on the top surface of the shell (1); the top surface of the shell (1) is provided with an exhaust pipe (10) at the other side of the pressure gauge (9).

3. A pressure vessel of adjustable volume as defined in claim 1 wherein: the lips of the lip seal a (13) and the lip seal b (14) face the top surface of the shell (1).

4. A pressure vessel of adjustable volume as defined in claim 1 wherein: a plurality of supporting legs (6) are uniformly distributed on the bottom surface of the mounting bottom ring (3); the bottom surface of the supporting leg (6) is provided with a connecting base plate (7).

5. A pressure vessel of adjustable volume as defined in claim 1 wherein: the damping rubber ring (12) is arranged on the bottom surface of the hydraulic cylinder (4).

6. A pressure vessel of adjustable volume as defined in claim 1 wherein: the pressure sensor (16) is in electrical signal connection with the wireless data transmitter (17); the model of the pressure sensor (16) is ELE-801; the wireless data transmitter (17) is of the type A7139.