CN217029916U

CN217029916U - Sealing device for pressure container

Info

Publication number: CN217029916U
Application number: CN202220533464.9U
Authority: CN
Inventors: 吕明璐; 杨鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-13
Filing date: 2022-03-13
Publication date: 2022-07-22
Anticipated expiration: 2032-03-13

Abstract

The utility model discloses a pressure container sealing device, which relates to the technical field of pressure containers and comprises a tank body, wherein a tank opening is formed in the tank body, and a sealing assembly is arranged on the tank opening; the sealing assembly comprises a cover body, wherein a mounting groove is formed in the cover body, a boss is arranged at the top end of the cover body, a lifting plate is arranged in the cover body in a sliding mode, a first sealing element is arranged in the mounting groove, a second sealing element is arranged below the first sealing element, and a sliding block penetrates through the cover body on the second sealing element and is arranged in a sliding mode; the top of lifter plate runs through the lid and the boss is provided with the pull rod, and is provided with the elastic component between lifter plate and the lid. According to the utility model, the tank opening can be sealed by utilizing the first sealing element and the second sealing element through the arranged sealing assembly, and the second sealing element can be adjusted in size by matching with the pull rod, the lifting plate and the sliding block, so that the cover body can be conveniently mounted and dismounted, and the time and labor are saved.

Description

Sealing device for pressure container

Technical Field

The utility model relates to the technical field of pressure vessels, in particular to a sealing device for a pressure vessel.

Background

The pressure container is a closed device which contains gas or liquid and bears certain pressure. The sealing ring is usually arranged on the cover of the pressure container in the prior art to realize the sealing of the pressure container, and the diameter of the sealing ring is usually larger than the diameter of the cover and the tank opening of the pressure container in order to ensure the sealing performance of the pressure container in the prior art, so that when the cover is pressed down, the sealing ring is extruded, and the sealing ring is tightly attached to the gap between the tank opening and the cover to ensure the sealing effect.

The defects of the prior art are as follows: because the diameter of sealing washer is greater than the diameter of jar mouth for comparatively hard when lid installation and dismantlement, the operation is inconvenient. Accordingly, one skilled in the art provides a pressure vessel sealing device to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing device for a pressure container, which aims to overcome the defects in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme: a pressure container sealing device comprises a tank body, wherein a tank opening is formed in the tank body, and a sealing assembly is arranged on the tank opening; the sealing assembly comprises a cover body, wherein a mounting groove is formed in the cover body, a boss is arranged at the top end of the cover body, a lifting plate is arranged in the cover body in a sliding mode, a first sealing element is arranged in the mounting groove, a second sealing element is arranged below the first sealing element, and a sliding block penetrates through the cover body on the second sealing element and is arranged in a sliding mode; the top of lifter plate runs through the lid and the boss is provided with the pull rod, and is provided with the elastic component between lifter plate and the lid.

As a further description of the above technical solution: the slider is provided with a plurality ofly, and is a plurality of the slider is circular array distribution in the inboard of second sealing member.

As a further description of the above technical solution: the cover body is provided with a notch matched with the sliding block, so that the sliding block can extend out or retract into the cover body in a sliding manner.

As a further description of the above technical solution: the first seal is provided with a first seal face and a second seal face.

As a further description of the above technical solution: the top end of the pull rod is rotatably provided with a limiting block.

As a further description of the above technical solution: a strip-shaped groove for the limiting block and the pull rod to pass through is formed in the boss; and a limiting groove matched with the limiting block is formed in the strip-shaped groove.

As a further description of the above technical solution: the limiting block is provided with a handle.

As a further description of the above technical solution: and an annular groove matched with the second sealing element is formed in the inner wall of the tank opening.

In the technical scheme, the pressure container sealing device provided by the utility model has the advantages that the first sealing element and the second sealing element can be used for sealing the tank opening through the arranged sealing assembly, meanwhile, the second sealing element can be adjusted in size through the matching of the arranged pull rod, the lifting plate and the sliding block, the second sealing element can be retracted inwards during installation and is recovered to the minimum state, and the second sealing element can be expanded to enable the diameter of the second sealing element to be larger than the inner wall of the tank opening for sealing after installation.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic diagram of a pressure vessel sealing device;

FIG. 2 is a schematic diagram of a seal assembly in a pressure vessel sealing device;

FIG. 3 is a schematic view of another state of a seal assembly in a pressure vessel sealing device;

FIG. 4 is a schematic diagram of a second seal in a pressure vessel sealing device;

FIG. 5 is a top view of a seal assembly in a pressure vessel sealing device.

Description of the reference numerals:

1. a tank body; 2. a tank opening; 3. a seal assembly; 31. a cover body; 32. mounting grooves; 33. a boss; 34. a lifting plate; 35. a first seal member; 351. a first sealing surface; 352. a second sealing surface; 36. a second seal member; 37. a slider; 38. a pull rod; 39. an elastic member; 310. a limiting block; 311. a strip-shaped groove; 312. a limiting groove.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1-5, an embodiment of the utility model provides a technical solution: a pressure container sealing device comprises a tank body 1, wherein a tank opening 2 is formed in the tank body 1, a sealing assembly 3 is arranged on the tank opening 2, and the tank opening 2 is sealed through the sealing assembly 3 so as to achieve the effect of sealing a pressure container; the sealing assembly 3 comprises a cover body 31, wherein a mounting groove 32 is formed in the cover body 31, a boss 33 is arranged at the top end of the cover body 31, a lifting plate 34 is arranged in the cover body 31 in a sliding manner, the lifting plate 34 is arranged along the inner wall of the cover body 31 in a sliding manner, a first sealing element 35 is arranged in the mounting groove 32, the first sealing element 35 is a sealing ring and used for sealing the joint of the cover body 31 and the tank opening 2, a second sealing element 36 is arranged below the first sealing element 35, the second sealing element 36 is a sealing ring and used for sealing the inner wall of the tank opening 2, a sliding block 37 is arranged on the second sealing element 36 in a sliding manner penetrating through the cover body 31, and the second sealing element 36 is driven to contract towards the cover body 31 or extend out of the cover body 31 through the sliding of the sliding block 37; the top end of the lifting plate 34 penetrates through the cover body 31 and the boss 33 to be provided with a pull rod 38, in an initial state, the lifting plate 34 extrudes the slide block 37, so that the slide block 37 extends out of the cover body 31, the slide block 37 extrudes the second sealing element 36 to expand outwards, the diameter of the second sealing element is larger than that of the inner wall of the tank opening 2, the lifting plate 34 is driven to slide upwards by pulling the pull rod 38, so that the second sealing element 36 loses pressure, the slide block 37 is driven by elastic restoring force to slide and contract towards the inner part of the cover body 31, so that the second sealing element 36 contracts inwards, the diameter is smaller than or equal to that of the inner wall of the tank opening 2, the mounting and dismounting operations of the cover body 31 are convenient, an elastic element 39 is arranged between the lifting plate 34 and the cover body 31, the elastic element 39 is a spring, the elastic acting force drives the lifting plate 34 to move downwards to automatically reset, and after the pull rod 38 is loosened, the elastic element 39 drives the lifting plate 34 to move downwards to reset, thereby driving the sliding block 37 to extend outwards, the diameter of the second sealing element 36 is restored to the initial state and is larger than the diameter of the inner wall of the tank opening 2, and the sealing effect of the tank opening 2 is ensured, the utility model can utilize the first sealing element 35 and the second sealing element 36 to seal the tank opening 2 through the arranged sealing component 3, the pull rod 38 that the cooperation set up simultaneously, lifter plate 34 and slider 37, make second sealing member 36 can carry out size adjustment, second sealing member 36 can inwards shrink during the installation, resume to minimum state, second sealing member 36 can open the inner wall that makes its diameter be greater than jar mouth 2 after the installation in order to seal up, this design is convenient for carry out the installation and the dismantlement operation of lid 31, time saving and labor saving, the operation is convenient, has stronger practicality, the diameter of having solved sealing washer among the prior art is greater than jar mouth 2's diameter, it is comparatively hard when lid installation and dismantlement, the problem of inconvenient operation.

Specifically, in the actual use process, when the sealing assembly 3 needs to be installed, the pull rod 38 is pulled to drive the lifting plate 34 to slide upwards, so that the slider 37 loses pressure, the elastic restoring force of the second sealing member 36 drives the slider 37 to slide towards the inside of the cover body 31, the second sealing member 36 is restored to contract towards the cover body 31, so that the diameter of the second sealing member 36 is smaller than or equal to the inner diameter of the can opening 2, then the cover body 31 is installed into the can opening 2, at the moment, the pull rod 38 is released, the lifting plate 34 is driven to slide downwards to restore under the elastic force of the elastic member 39, and the slider 37 is continuously pressed to slide towards the outer side of the cover body 31 in the downward moving process of the lifting plate 34, so that the second sealing member 36 is driven to expand outwards, the diameter of the second sealing member is expanded, and the second sealing member is pressed to be tightly attached between the inner wall of the can opening 2 and the cover body 31, and the can opening 2 is sealed; when the cover 31 needs to be opened, in the same way, the pull rod 38 is pulled upwards to enable the diameter of the second sealing element 36 to be smaller than or equal to the inner diameter of the can opening 2, and the cover 31 is pulled out directly, so that time and labor are saved.

In another embodiment of the present invention, the plurality of sliding blocks 37 are disposed, and the plurality of sliding blocks 37 are distributed on the inner side of the second sealing element 36 in a circular array, and the cover 31 is provided with a notch adapted to the sliding block 37, so that the sliding block 37 slides out or retracts into the cover 31, specifically, the sliding block 37 retracts into the cover 31, so that the second sealing element 36 is reset to the minimum diameter, and the sliding block 37 extends out of the cover 31, so that the second sealing element 36 is opened, and the diameter is enlarged.

In still another embodiment of the present invention, the first sealing surface 351 and the second sealing surface 352 are provided on the first sealing member 35, and the joint between the lid body 31 and the can opening 2 can be sealed completely by the first sealing surface 351 and the second sealing surface 352, which effectively improves the sealing effect.

In another embodiment provided by the present invention, the top end of the pull rod 38 is rotatably provided with a limiting block 310, the pull rod 38 is sleeved with a spring, the spring is driven by the elastic acting force of the spring, the limiting block 310 is provided with a handle, the limiting block 310 can be driven to rotate by rotating the handle, the boss 33 is provided with a strip-shaped groove 311 for the limiting block 310 and the pull rod 38 to pass through, and when the limiting block 310 is parallel to the strip-shaped groove 311, the limiting block 310 can move up and down along the strip-shaped groove 311 along with the pull rod 38; limiting grooves 312 matched with the limiting blocks 310 are formed in the strip-shaped grooves 311, the limiting blocks 310 can be clamped in the limiting grooves 312 through the limiting grooves 312, the fixing of the pull rod 38 after downward moving is achieved, the second sealing element 36 is always in an open state, and the sealing stability is guaranteed.

Specifically, in this embodiment, when the sealing assembly 3 is installed, the pull rod 38 is loosened, and when the pull rod 38 is reset, at this time, the limiting block 310 is parallel to the strip-shaped groove 311, moves down along with the pull rod 38, and the limiting block 310 enters the limiting groove 312, and then, the handle is rotated to drive the limiting block 310 to rotate, so that the limiting block 310 is dislocated with the strip-shaped groove 311 and clamped in the limiting groove 312, so that the fixing of the pull rod 38 after moving down is realized, and the second sealing element 36 is pressed and extruded to be in an open state to be sealed; when the sealing assembly 3 needs to be removed, the handle is rotated, the rotation limiting block 310 is parallel to the strip-shaped groove 311, and then the pull rod 38 can be pulled upwards to drive the second sealing element 36 to contract, and the cover body 31 is taken down.

In another embodiment of the present invention, the inner wall of the can opening 2 is provided with an annular groove adapted to the second sealing element 36, so that after the cover 31 is installed, the second sealing element 36 can be clamped in the annular groove when opened, thereby preventing the second sealing element from loosening, effectively improving the sealing performance of the second sealing element 36, and ensuring the sealing effect.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the utility model.

Claims

1. A pressure container sealing device comprises a tank body (1), wherein a tank opening (2) is formed in the tank body (1), and is characterized in that a sealing assembly (3) is arranged on the tank opening (2);

the sealing assembly (3) comprises a cover body (31), wherein a mounting groove (32) is formed in the cover body (31), a boss (33) is arranged at the top end of the cover body (31), a lifting plate (34) is arranged in the cover body (31) in a sliding manner, a first sealing element (35) is arranged in the mounting groove (32), a second sealing element (36) is arranged below the first sealing element (35), and a sliding block (37) penetrates through the cover body (31) on the second sealing element (36) and is arranged in a sliding manner;

the top end of the lifting plate (34) penetrates through the cover body (31) and the boss (33) to be provided with a pull rod (38), and an elastic piece (39) is arranged between the lifting plate (34) and the cover body (31).

2. A sealing arrangement for a pressure vessel according to claim 1, characterised in that said slide (37) is provided in plurality, and that said plurality of slides (37) is distributed in a circular array on the inside of the second seal (36).

3. The sealing device for the pressure container according to claim 1, wherein the cover body (31) is provided with a notch adapted to the sliding block (37) so that the sliding block (37) can slide and extend out or retract into the cover body (31).

4. A pressure vessel sealing arrangement according to claim 1, wherein the first seal member (35) is provided with a first sealing surface (351) and a second sealing surface (352).

5. A sealing arrangement for a pressure vessel according to claim 1, characterised in that the tie rod (38) is pivotally provided at its top end with a stop (310).

6. The sealing device of the pressure container according to claim 5, wherein the boss (33) is provided with a strip-shaped groove (311) for the stop block (310) and the pull rod (38) to pass through;

and a limiting groove (312) matched with the limiting block (310) is formed in the strip-shaped groove (311).

7. The sealing device for a pressure vessel according to claim 5, wherein the stopper (310) is provided with a handle.

8. The sealing device for the pressure vessel according to claim 1, wherein the inner wall of the tank opening (2) is provided with an annular groove adapted to the second sealing element (36).