Sealing cover of pressure vessel

By designing clamping and lifting components, the pressure vessel sealing cap can be quickly clamped and disassembled, solving the problem of long disassembly and assembly time in existing technologies and improving ease of use and efficiency.

CN224018182UActive Publication Date: 2026-03-20JIANGSU JIUWEI HIGH PRESSURE VESSEL MFR
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing pressure vessel sealing caps take a long time to disassemble and assemble, affecting efficiency and convenience.

Method used

It employs clamping and lifting components, and achieves rapid clamping and sealing through the sliding connection of arc-shaped clamping blocks and sealing plugs. Combined with the precise positioning of positioning holes and positioning pins, it simplifies the assembly and disassembly process.

Benefits of technology

It improves the ease and efficiency of disassembling and assembling pressure vessel sealing covers, ensures sealing performance, and adapts to the usage requirements of different pressure vessels.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224018182U_ABST
Patent Text Reader

Abstract

The utility model discloses a pressure vessel sealing cover which comprises a vessel body, the top of the vessel body is fixedly connected with a connecting flange, the top of the connecting flange is provided with a mounting plate, the bottom of the mounting plate is slidably connected with two arc-shaped clamping blocks located on the top of the vessel body, and the top of the mounting plate is provided with a clamping assembly. The clamping assembly is used for driving the two arc-shaped clamping blocks to move. The mounting plate is placed on the connecting flange, the two arc-shaped clamping blocks are driven by the clamping assembly to clamp the connecting flange, so that the two arc-shaped clamping blocks are firmly clamped on the outer side of the connecting flange, and the use stability of the sealing cover is guaranteed; the sealing plug slides between the through groove and the inner wall of the connecting flange, and meanwhile, the transverse plate is in close contact with the sealing washer, so that the interior of the container body is effectively sealed, the use effect of the pressure container is ensured, and the disassembly and assembly convenience of the sealing cover is improved.
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Description

Technical Field

[0001] This utility model relates to the field of pressure vessel sealing cover technology, specifically a pressure vessel sealing cover. Background Technology

[0002] A pressure vessel is a closed device that holds gas or liquid and bears a certain pressure. Pressure vessels not only need to withstand internal or external pressure, but more importantly, the media inside the vessel may have dangerous characteristics such as flammability, explosiveness, or toxicity. Once a leak or explosion occurs, it may cause personal injury and property damage. The sealing cap is a key component used on pressure vessels to isolate the inside of the vessel from the external environment and ensure the maintenance of pressure and the safety of the media inside the vessel.

[0003] In existing pressure vessels, the sealing cover is usually fixed to the vessel flange by bolts or nuts. Although this installation method is stable, it leads to a long time for the sealing cover to be installed and removed, and cannot achieve quick installation and removal. This further affects the use efficiency of the pressure vessel and the ease of installation and removal of the sealing cover. Therefore, we propose a pressure vessel sealing cover. Utility Model Content

[0004] The purpose of this invention is to provide a pressure vessel sealing cover to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pressure vessel sealing cover, comprising a container body, a connecting flange fixedly connected to the top of the container body, an mounting plate provided on the top of the connecting flange, two arc-shaped clamping blocks slidably connected to the bottom of the mounting plate and located at the top of the container body, a clamping assembly provided on the top of the mounting plate, the clamping assembly being used to drive the two arc-shaped clamping blocks to move, the inner sides of the two arc-shaped clamping blocks abutting against the connecting flange, a through groove being opened on the top of the mounting plate, the through groove penetrating the mounting plate and communicating with the interior of the connecting flange, a sealing gasket being provided on the top of the mounting plate, a first vertical plate and a second vertical plate fixedly connected to the top of the mounting plate, a horizontal plate slidably connected between the first vertical plate and the second vertical plate, a lifting assembly being provided on one side of the first vertical plate, the lifting assembly being used to drive the horizontal plate to move, a sealing plug being fixedly connected to the bottom of the horizontal plate, the sealing plug being slidably connected between the through groove and the inner wall of the connecting flange, and the bottom of the horizontal plate abutting against the sealing gasket.

[0006] As a further preferred embodiment of this technical solution, the clamping assembly includes a displacement groove and a limiting groove. Both the displacement groove and the limiting groove are formed on the top of the mounting plate and penetrate the mounting plate. A bidirectional lead screw is rotatably connected between the inner walls of the displacement groove. Two first connecting blocks are threaded to the outer side of the bidirectional lead screw. One side of each of the two first connecting blocks is fixedly connected to two arc-shaped clamping blocks.

[0007] As a further preferred of the technical solution, the inner wall between the limiting groove is fixedly connected with a limiting rod, the outer side of the limiting rod is slidably connected with two second connecting blocks, one side of the two second connecting blocks is fixedly connected with the two arc-shaped clamping blocks respectively.

[0008] As a further preferred of the technical solution, one side of the mounting plate is rotatably connected with a rotating disc, one end of the rotating disc extends to the inside of the displacement groove and is fixedly connected with the bidirectional screw rod, one side of the rotating disc is fixedly connected with a handle.

[0009] As a further preferred of the technical solution, the lifting assembly comprises a lifting groove and a guide groove, the lifting groove and the guide groove are respectively arranged on one side of the first vertical plate and the second vertical plate, the lifting groove and the guide groove respectively penetrate the first vertical plate and the second vertical plate, the inner wall between the lifting groove is rotatably connected with a threaded rod, the outer side of the threaded rod is threadedly connected with a lifting block, one side of the lifting block is fixedly connected with the horizontal plate.

[0010] As a further preferred of the technical solution, the inner wall between the guide groove is fixedly connected with a guide rod, the outer side of the guide rod is slidably connected with a guide block, one side of the guide block is fixedly connected with the horizontal plate.

[0011] As a further preferred of the technical solution, the top of the first vertical plate is rotatably connected with a rotating wheel, the bottom end of the rotating wheel extends to the inside of the lifting groove and is fixedly connected with the threaded rod.

[0012] As a further preferred of the technical solution, the top of the connecting flange is provided with a positioning hole, the bottom of the mounting plate is fixedly connected with a positioning column, the positioning column is in contact with the inner side of the positioning hole.

[0013] As a further preferred of the technical solution, the outer side of the sealing plug is provided with a pressure relief groove.

[0014] The utility model provides a kind of pressure vessel sealing cover, with following beneficial effects:

[0015] (1) the utility model discloses a mounting plate is placed on connecting flange, utilizes clamping assembly to drive two arc-shaped clamping blocks to clamp the connecting flange, so that two arc-shaped clamping blocks are firmly clamped on the outer side of connecting flange, to ensure the use stability of sealing cover, then lifting assembly drives horizontal plate to move, sealing plug slides between through groove and the inner wall of connecting flange, while horizontal plate and sealing washer are in close contact, to effectively seal the inside of container body, not only ensure the use effect of pressure vessel, but also improve the disassembly and assembly convenience of sealing cover.

[0016] (2) The utility model discloses further simplify the dismounting process of the sealing cover through the connecting cooperation between the positioning hole of the top of the connecting flange and the positioning column of the bottom of the mounting plate, thereby improving the dismounting efficiency and accuracy of the sealing cover of the pressure container. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the container body structure schematic diagram of the utility model;

[0019] Figure 3 It is the mounting plate structure schematic diagram of the utility model;

[0020] Figure 4 It is the arc clamping block structure schematic diagram of the utility model;

[0021] In the drawing: 1, container body; 2, mounting plate; 3, displacement groove; 4, bidirectional screw; 5, limiting groove; 6, limiting rod; 7, arc clamping block; 8, first connecting block; 9, rotating disc; 10, handle; 11, first vertical plate; 12, lifting groove; 13, threaded rod; 14, lifting block; 15, pressure relief groove; 16, second vertical plate; 17, guide groove; 18, guide rod; 19, guide block; 20, cross plate; 21, rotating wheel; 22, sealing washer; 23, sealing plug; 24, through groove; 25, positioning hole; 26, positioning column; 27, second connecting block; 28, connecting flange. DETAILED DESCRIPTION

[0022] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiment.

[0023] The utility model provides technical scheme: as Figures 1-4As shown, in this embodiment, a pressure vessel sealing cover, including a container body 1, the top of the container body 1 is fixedly connected with a connecting flange 28, the top of the connecting flange 28 is provided with a mounting plate 2, the bottom of the mounting plate 2 and located at the top of the container body 1 is slidably connected with two arc-shaped clamping blocks 7, the top of the mounting plate 2 is provided with a clamping assembly, the clamping assembly is used to drive the two arc-shaped clamping blocks 7 to move, the inner side of the two arc-shaped clamping blocks 7 is in contact with the connecting flange 28, the top of the mounting plate 2 is provided with a through slot 24, the through slot 24 penetrates through the mounting plate 2 and communicates with the inside of the connecting flange 28, the top of the mounting plate 2 is provided with a sealing washer 22, the top of the mounting plate 2 is fixedly connected with a first vertical plate 11 and a second vertical plate 16, the first vertical plate 11 and the second vertical plate 16 are slidably connected with a horizontal plate 20, one side of the first vertical plate 11 is provided with a lifting assembly, the lifting assembly is used to drive the horizontal plate 20 to move, the bottom of the horizontal plate 20 is fixedly connected with a sealing plug 23, the sealing plug 23 is slidably connected between the through slot 24 and the inner wall of the connecting flange 28, the bottom of the horizontal plate 20 is in contact with the sealing washer 22, the top of the connecting flange 28 is provided with a positioning hole 25, the bottom of the mounting plate 2 is fixedly connected with a positioning column 26, the positioning column 26 is in contact with the inner side of the positioning hole 25, the outer side of the sealing plug 23 is provided with a pressure relief groove 15.

[0024] When the pressure vessel is sealed, first, the positioning column 26 is inserted into the inside of the positioning hole 25, so that the mounting plate 2 is accurately positioned, then, the clamping assembly drives the two arc-shaped clamping blocks 7 to move close to each other at the bottom of the mounting plate 2, the two arc-shaped clamping blocks 7 clamp and fix the connecting flange 28, and the arc-shaped clamping blocks 7 are firmly clamped on the outside of the connecting flange 28, thereby completing the installation of the sealing cover, then the lifting assembly drives the horizontal plate 20 to move down between the first vertical plate 11 and the second vertical plate 16, while driving the sealing plug 23 (which is made of polytetrafluoroethylene material to ensure the temperature resistance and chemical corrosion resistance of the sealing plug 23) to move between the through slot 24 and the inner wall of the connecting flange 28, so that the horizontal plate 20 is in contact with the sealing washer 22 (which is made of polytetrafluoroethylene material to ensure the temperature resistance and chemical corrosion resistance of the sealing washer 22), thereby completing the sealing of the container body 1, when the inside of the container body 1 needs to be relieved, according to the hydraulic requirement, the sealing plug 23 is moved by the lifting assembly, so that the height of the sealing plug 23 is adjusted, and the pressure relief is carried out through the pressure relief groove 15 (which is required to be used according to the specified requirement when the pressure vessel loads dangerous chemical products, flammable and explosive products, etc.).

[0025] When the sealing cover is removed and maintained, the lifting assembly drives the horizontal plate 20 to move up and drives the sealing plug 23 to move out of the inside of the through slot 24 and the connecting flange 28, then the clamping assembly drives the two arc-shaped clamping blocks 7 to move away from each other, and finally the mounting plate 2 is removed, thereby improving the use convenience of the pressure vessel sealing cover.

[0026] AsFigures 1-4 As shown, the clamping assembly includes displacement slot 3 and limiting slot 5, displacement slot 3 and limiting slot 5 are both opened on the top of mounting plate 2, displacement slot 3 and limiting slot 5 both penetrate mounting plate 2, the inner wall between displacement slot 3 is rotatably connected with bidirectional screw rod 4, the outer side of bidirectional screw rod 4 is threadedly connected with two first connecting blocks 8, one side of two first connecting blocks 8 is respectively fixedly connected with two arc-shaped clamping blocks 7, the inner wall between limiting slot 5 is fixedly connected with limiting rod 6, the outer side of limiting rod 6 is slidably connected with two second connecting blocks 27, one side of two second connecting blocks 27 is respectively fixedly connected with two arc-shaped clamping blocks 7, one side of mounting plate 2 is rotatably connected with rotating disc 9, one end of rotating disc 9 extends to the inside of displacement slot 3 and is fixedly connected with bidirectional screw rod 4, one side of rotating disc 9 is fixedly connected with handle 10.

[0027] By pushing handle 10, rotating disc 9 drives bidirectional screw rod 4 to rotate between the inner walls of displacement slot 3, and limiting rod 6 in the inside of limiting slot 5 limits the movement of two second connecting blocks 27, thereby driving two first connecting blocks 8 and two second connecting blocks 27 to drive two arc-shaped clamping blocks 7 to move at the bottom of mounting plate 2, thereby improving the disassembly and assembly efficiency of the sealing cover.

[0028] As shown, Figures 1-4 The lifting assembly includes lifting slot 12 and guide slot 17, lifting slot 12 and guide slot 17 are respectively opened on one side of first vertical plate 11 and second vertical plate 16, lifting slot 12 and guide slot 17 respectively penetrate first vertical plate 11 and second vertical plate 16, the inner wall between lifting slot 12 is rotatably connected with threaded rod 13, the outer side of threaded rod 13 is threadedly connected with lifting block 14, one side of lifting block 14 is fixedly connected with horizontal plate 20, the inner wall between guide slot 17 is fixedly connected with guide rod 18, the outer side of guide rod 18 is slidably connected with guide block 19, one side of guide block 19 is fixedly connected with horizontal plate 20, the top of first vertical plate 11 is rotatably connected with rotating wheel 21, the bottom end of rotating wheel 21 extends to the inside of lifting slot 12 and is fixedly connected with threaded rod 13.

[0029] By rotating rotating wheel 21, threaded rod 13 is driven to rotate between the inner walls of lifting slot 12, and guide rod 18 in the inside of guide slot 17 guides the movement of guide block 19, thereby driving lifting block 14 and guide block 19 to drive horizontal plate 20 to move between first vertical plate 11 and second vertical plate 16, thereby improving the use convenience of the sealing cover of the pressure vessel.

[0030] The utility model provides a pressure vessel sealing cover, specific working principle is as follows: when sealing in pressure vessel, first, insert the positioning column 26 into the inside of positioning hole 25, make to the accurate positioning of mounting plate 2, follow, through the push handle 10 of driving, and drive carousel 9 drive two way screw rod 4 rotate between the inner wall of displacement groove 3, simultaneously through the limiting rod 6 in the inside of limiting groove 5 to the movement of two second connecting blocks 27 is limited, thereby drive two first connecting blocks 8 and two second connecting blocks 27 respectively drive two arc clamping blocks 7 move close in the bottom of mounting plate 2, two arc clamping blocks 7 clamp and fix the connection flange 28, and make arc clamping block 7 firmly card in the outside of connection flange 28, to complete the installation of sealing cover, subsequently through the rotation of runner 21, make drive threaded rod 13 rotate between the inner wall of lifting groove 12, simultaneously through the guiding rod 18 in the inside of guide slot 17 to the movement of guide block 19 is guided, thereby drive lifting block 14 and guide block 19 drive cross plate 20 move down between first vertical plate 11 and second vertical plate 16, simultaneously drive sealing plug 23 moves between the inner wall of through groove 24 and connection flange 28, make cross plate 20 and sealing washer 22 resist, thereby complete the sealing work of container body 1, when the inside of container body 1 needs to be relieved, according to the pressure relief requirement, through the rotation of runner 21, make drive threaded rod 13 rotate between the inner wall of lifting groove 12, simultaneously through the guiding rod 18 in the inside of guide slot 17 to the movement of guide block 19 is guided, thereby drive lifting block 14 and guide block 19 drive cross plate 20 move up between first vertical plate 11 and second vertical plate 16, and drive sealing plug 23 to move up again, make the height of adjusting sealing plug 23, simultaneously through the pressure relief groove 15 and relieve pressure.

[0031] When sealing cover is removed maintenance, through the rotation of runner 21, make drive threaded rod 13 rotate between the inner wall of lifting groove 12, simultaneously through the guiding rod 18 in the inside of guide slot 17 to the movement of guide block 19 is guided, thereby drive lifting block 14 and guide block 19 drive cross plate 20 move up between first vertical plate 11 and second vertical plate 16, and drive sealing plug 23 to move out the inside of through groove 24 and connection flange 28, follow, through the push handle 10 of driving, and drive carousel 9 drive two way screw rod 4 rotate between the inner wall of displacement groove 3, simultaneously through the limiting rod 6 in the inside of limiting groove 5 to the movement of two second connecting blocks 27 is limited, thereby drive two first connecting blocks 8 and two second connecting blocks 27 again respectively drive two arc clamping blocks 7 move in the bottom of mounting plate 2 and mutually far away, finally take down mounting plate 2, thereby complete the removal of sealing cover.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pressure vessel sealing cap, comprising a vessel body (1), characterized in that: A connecting flange (28) is fixedly connected to the top of the container body (1). A mounting plate (2) is provided on the top of the connecting flange (28). Two arc-shaped clamping blocks (7) are slidably connected to the bottom of the mounting plate (2) and located on the top of the container body (1). A clamping assembly is provided on the top of the mounting plate (2). The clamping assembly is used to drive the two arc-shaped clamping blocks (7) to move. The inner sides of the two arc-shaped clamping blocks (7) abut against the connecting flange (28). A through groove (24) is opened on the top of the mounting plate (2). The through groove (24) penetrates the mounting plate (2) and communicates with the interior of the connecting flange (28). A sealing gasket (22) is provided on the top of the mounting plate (2). A first vertical plate (11) and a second vertical plate (16) are fixedly connected to the top of the mounting plate (2). A horizontal plate (20) is slidably connected between the first vertical plate (11) and the second vertical plate (16). A lifting assembly is provided on one side of the first vertical plate (11). The lifting assembly is used to drive the horizontal plate (20) to move. A sealing plug (23) is fixedly connected to the bottom of the horizontal plate (20). The sealing plug (23) is slidably connected between the through groove (24) and the inner wall of the connecting flange (28). The bottom of the horizontal plate (20) abuts against the sealing gasket (22).

2. A pressure vessel sealing cover according to claim 1, characterized in that: The clamping assembly includes a displacement groove (3) and a limiting groove (5). Both the displacement groove (3) and the limiting groove (5) are opened on the top of the mounting plate (2). Both the displacement groove (3) and the limiting groove (5) penetrate the mounting plate (2). A bidirectional lead screw (4) is rotatably connected between the inner walls of the displacement groove (3). Two first connecting blocks (8) are threadedly connected to the outer side of the bidirectional lead screw (4). One side of each of the two first connecting blocks (8) is fixedly connected to two arc-shaped clamping blocks (7).

3. A pressure vessel sealing cover according to claim 2, characterized in that: A limiting rod (6) is fixedly connected between the inner walls of the limiting groove (5). Two second connecting blocks (27) are slidably connected to the outer side of the limiting rod (6). One side of each of the two second connecting blocks (27) is fixedly connected to two arc-shaped clamping blocks (7).

4. A pressure vessel sealing cover according to claim 2, characterized in that: A turntable (9) is rotatably connected to one side of the mounting plate (2). One end of the turntable (9) extends into the interior of the displacement groove (3) and is fixedly connected to the bidirectional lead screw (4). A handle (10) is fixedly connected to one side of the turntable (9).

5. A pressure vessel sealing cover according to claim 1, characterized in that: The lifting assembly includes a lifting groove (12) and a guide groove (17). The lifting groove (12) and the guide groove (17) are respectively opened on one side of the first upright plate (11) and the second upright plate (16). The lifting groove (12) and the guide groove (17) pass through the first upright plate (11) and the second upright plate (16) respectively. A threaded rod (13) is rotatably connected between the inner walls of the lifting groove (12). A lifting block (14) is threadedly connected to the outer side of the threaded rod (13). One side of the lifting block (14) is fixedly connected to the horizontal plate (20).

6. A pressure vessel sealing cover according to claim 5, characterized in that: A guide rod (18) is fixedly connected between the inner walls of the guide groove (17), and a guide block (19) is slidably connected to the outer side of the guide rod (18). One side of the guide block (19) is fixedly connected to the horizontal plate (20).

7. A pressure vessel sealing cover according to claim 5, characterized in that: The top of the first upright plate (11) is rotatably connected to a wheel (21), and the bottom end of the wheel (21) extends into the interior of the lifting groove (12) and is fixedly connected to the threaded rod (13).

8. A pressure vessel sealing cover according to claim 1, characterized in that: The top of the connecting flange (28) is provided with a positioning hole (25), and the bottom of the mounting plate (2) is fixedly connected with a positioning post (26), which contacts the inner side of the positioning hole (25).

9. A pressure vessel sealing cover according to claim 1, characterized in that: The sealing plug (23) has a pressure relief groove (15) on its outer side.