CN218326276U

CN218326276U - Pressure relief valve of pressure container

Info

Publication number: CN218326276U
Application number: CN202222213045.XU
Authority: CN
Inventors: 胡瀚元
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-17
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a pressure vessel's pressure relief valve, including last valve body and lower valve body, go up the top that the valve body is located lower valve body, the pressure relief pipe is installed to one side of lower valve body, go up and install sealing connection board between valve body and the lower valve body, go up the top of valve body and install the fore-set that pushes down, the internally mounted of going up the valve body has the roof, the spring that pushes down is installed to the lower extreme of roof, the fore-set is installed to the lower extreme that pushes down the spring, seal structure is installed to the lower extreme that the inside of lower valve body is located the fore-set down. A pressure vessel's pressure relief valve, realize slow row and press, prevented in the twinkling of an eye that row presses the too big impact of pressure that leads to, more smooth-going arranges presses the use, has realized quick manual row and has pressed, not only arranges more rapidly to when conventional state, the application of pressure of compression leg under the pull rod can not influence yet with carrying the pull rod, steady rapid carrying on manual row presses the use.

Description

Pressure relief valve of pressure vessel

Technical Field

The utility model relates to a pressure relief valve field, in particular to pressure vessel's pressure relief valve.

Background

A pressure discharge valve of a pressure vessel is generally installed on the pressure vessel, when the pressure in the pressure vessel is too high, the pressure discharge valve discharges the pressure in the pressure vessel for use, a fixed downward pressure is generally formed by a spring for sealing, when the pressure in the pressure vessel exceeds the pressure of the spring, the seal is opened for pressure discharge, and the pressure discharge valve is applied to various pressure vessels;

but current pressure vessel's pressure relief valve has certain weak point when using and remains to be improved, and the pressure relief valve is when sealing up, for the seal structure of single hole, consequently when arranging the pressure, can open sealed hole in the twinkling of an eye and arrange the pressure, consequently has leaded to arranging the impact of pressing too big, the unable smooth-going use of arranging of pressing to when carrying out manual row of pressing, screw operation's structure is complicated, the unable rapid row of pressing, the manual structure of arranging the pressure moreover can influence the control of exerting pressure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a pressure vessel's pressure relief valve can effectively solve the technical problem that the background art provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pressure vessel's pressure relief valve, includes valve body and lower valve body, go up the top that the valve body is located lower valve body, the pressure relief pipe is installed to one side of lower valve body, go up the valve body and install sealing connection board down between the valve body, go up the top of valve body and install down the fore-set, the internally mounted of going up the valve body has the roof, the lower extreme of roof is installed and is pushed down the spring, push down the lower extreme of spring and install down the fore-set, the inside of valve body is located the lower extreme of push down the fore-set down and installs seal structure, go up the upper end of valve body and install the handle frame, lifting frame and last pressure handle are installed in the outside of handle frame, lifting rod is installed to lifting frame's inboard, the internally mounted of push down the fore-set has lifting column, lifting plate is installed to lifting column's lower extreme.

As a further aspect of the present invention, the lower compression leg passes through the sealing connection plate and is movably connected to the sealing connection plate, and the lower end of the lower compression leg is located inside the lower valve body.

As a further proposal of the utility model, the lifting frame and the upper pressing handle are movably connected with the handle frame, and the lifting frame is positioned above the upper pressing handle.

As a further scheme of the utility model, seal structure is including pushing down mounting panel, sealed post, closing plate and row's pressure through-hole, pushes down the lower extreme of mounting panel installation at the lower compression leg, and a plurality of sealed posts are installed at the lower extreme of pushing down the mounting panel, and the closing plate is installed in the inner wall bottom of valve body down, and a plurality of row's pressure through-holes are seted up in the inside of closing plate.

As a further scheme of the utility model, the mounting panel that pushes down is located the top of closing plate, and sealed post inserts to the inside of arranging the pressure through-hole and is connected rather than the cooperation, and a plurality of sealed posts divide into three groups, and the lower extreme of three sealed posts of group is arranged the installation in proper order by low to high.

As a further scheme of the utility model, the lifting rod passes and pushes down fore-set, roof, sealing connection board and pushes down the compression leg and carry and draw a post fixed connection, carries the pulling plate and is connected with the inner wall laminating of pushing down the post.

Compared with the prior art, the utility model discloses following beneficial effect has: through the arranged sealing structure, the three groups of sealing columns are sequentially arranged from low to high, so that the three groups of sealing columns sequentially ascend to open the sealing of the pressure discharge through holes, and the slow pressure discharge is realized through the sequential opening of the pressure discharge through holes, thereby preventing the impact of overlarge pressure caused by instant pressure discharge and more smoothly performing pressure discharge use;

through the handle frame that sets up, carry and draw the frame, go up to press the handle, carry the pull rod, carry and draw post and carry the arm-tie, through upwards pulling upward pressing the handle, quick drive sealed post rises to arrange and presses, loose after pressing the handle on, make down to press the post to reset once more, realized quick manual row and pressed, not only arrange more rapidly to when conventional state, carry the pull rod and carry and draw the post and also can not influence the exerting pressure of pressing the post down, steady rapid carries out manual row and presses the use.

Drawings

Fig. 1 is a schematic view of the overall structure of a pressure relief valve of a pressure vessel according to the present invention;

fig. 2 is a schematic diagram illustrating a pressure relief valve of a pressure vessel according to the present invention;

fig. 3 is a split view of a sealing structure in a pressure relief valve of a pressure vessel according to the present invention;

fig. 4 is an enlarged view of a lifting rod in a pressure relief valve of a pressure vessel according to the present invention.

In the figure: 1. an upper valve body; 2. a lower valve body; 3. a pressure discharge pipe; 4. sealing the connecting plate; 5. pressing down the top pillar; 6. a top plate; 7. pressing down the spring; 8. pressing the column downwards; 9. a sealing structure; 10. pressing down the mounting plate; 11. sealing the column; 12. a sealing plate; 13. pressure discharge through holes; 14. a handle frame; 15. a lifting frame; 16. pressing the handle upwards; 17. lifting a pull rod; 18. lifting the column; 19. and (5) lifting the plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a pressure relief valve for a pressure vessel includes an upper valve body 1 and a lower valve body 2, the upper valve body 1 is located above the lower valve body 2, a pressure relief pipe 3 is installed on one side of the lower valve body 2, a sealing connection plate 4 is installed between the upper valve body 1 and the lower valve body 2, a lower top pillar 5 is installed at the top of the upper valve body 1, a top plate 6 is installed inside the upper valve body 1, a lower pressure spring 7 is installed at the lower end of the top plate 6, a lower pressure pillar 8 is installed at the lower end of the lower pressure spring 7, a sealing structure 9 is installed at the lower end of the lower pressure pillar 8 inside the lower valve body 2, a handle frame 14 is installed at the upper end of the upper valve body 1, a lifting frame 15 and an upper pressure handle 16 are installed outside the handle frame 14, a lifting rod 17 is installed inside the lifting frame 15, a lifting rod 18 is installed inside the lower pressure pillar 8, and a lifting plate 19 is installed at the lower end of the lifting rod 18.

In this embodiment, the lower pressing column 8 passes through the sealing connection plate 4 and is movably connected with the sealing connection plate, the lower end of the lower pressing column 8 is located inside the lower valve body 2, and the lower pressing column 8 plays a role in moving and pressing down.

In this embodiment, the lifting frame 15 and the upper pressing handle 16 are movably connected to the handle frame 14, the lifting frame 15 is located above the upper pressing handle 16, and the upper pressing handle 16 is used for pushing the lifting frame 15 to move upwards.

In this embodiment, seal structure 9 has been set up in order to seal the pressure relief valve, seal structure 9 is including pushing down mounting panel 10, sealing post 11, closing plate 12 and pressure discharge through-hole 13, pushing down mounting panel 10 and installing the lower extreme at pressure discharge column 8, the lower extreme at pressure discharge mounting panel 10 is installed to a plurality of sealing posts 11, closing plate 12 is installed in the inner wall bottom of valve body 2 down, a plurality of pressure discharge through-holes 13 are seted up in the inside of closing plate 12, it is located the top of closing plate 12 to push down mounting panel 10, sealing post 11 inserts to the inside of pressure discharge through-hole 13 and is connected rather than the cooperation, a plurality of sealing posts 11 divide into three groups, the lower extreme of three groups of sealing posts 11 is arranged the installation in proper order from low to high.

In this embodiment, the lifting rod 17 passes through the lower pressing top column 5, the top plate 6, the sealing connecting plate 4 and the lower pressing column 8 to be fixedly connected with the lifting column 18, the lifting plate 19 is attached to the inner wall of the lower pressing column 8, and the lifting rod 17 is used for pulling the lifting plate 19 to move upwards.

It should be noted that, the utility model relates to a pressure vessel's pressure relief valve, when using, go up valve body 1 and lower valve body 2 for the main part of pressure relief valve, lower valve body 2 is installed on pressure vessel, make pressure vessel and realize lining up in the lower valve body 2, go up in the valve body 1 down the spring 7 push down the compression leg 8 in the below of roof 6, the compression leg 8 drives the mounting panel 10 that pushes down again and pushes down, thereby make a plurality of sealed posts 11 of mounting panel 10 below push down insert in the pressure discharge through-hole 13 in the closing plate 12, make closing plate 12 seal the lower extreme of lower valve body 2, when pressure vessel internal pressure exceeded the pressure of compression spring 7, high pressure push up in the pressure vessel moves sealed post 11 and rises, make the sealed post 11 of pushing up and push down the separation of through-hole 13, consequently, high pressure in the pressure vessel passes pressure discharge through-hole 13 and carries out from row 3 pressure discharge pipe, realize automatic pressure discharge.

The utility model discloses a seal structure 9 who sets up, when the pressure relief valve seals, sealed post 11 inserts and seals in the pressure relief through-hole 13 in the closing plate 12, when carrying out the pressure relief, three groups of sealed posts 11 divide into and arrange the installation from low to high in proper order, therefore three groups of sealed posts 11 rise in proper order and open the sealed of pressure relief through-hole 13, through opening in proper order of a plurality of pressure relief through-holes 13, realize slow pressure relief, prevented the too big impact of pressure that the pressure relief leads to in the twinkling of an eye; through the handle frame 14 that sets up, carry and draw frame 15, go up pressure handle 16, carry pull rod 17, carry and draw post 18 and carry and draw board 19 to be located the inside of compression leg 8 down, by last pulling pressure handle 16, make and go up pressure handle 16 and drive and carry and draw frame 15 and move up in handle frame 14, carry and draw frame 15 pulling and carry pull rod 17 and move up, consequently, carry pull rod 17 and drive through carrying on pull rod 18 and draw board 19 and move up, make and carry and draw board 19 pulling the quick rising of compression leg 8 down, the contact pushes down the pushing down of spring 7, quick drive sealed post 11 rises and carries out the pressure, after loosening upper pressure handle 16, make compression leg 8 reset once more, realized quick manual pressure escape.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pressure relief valve for a pressure vessel, comprising: including last valve body (1) and lower valve body (2), go up the top that valve body (1) is located lower valve body (2), the pressure-discharge tube (3) is installed to one side of lower valve body (2), go up valve body (1) and install sealing connection board (4) down between valve body (2), go up the top of valve body (1) and install down and push down fore-set (5), the internally mounted of going up valve body (1) has roof (6), push down spring (7) are installed to the lower extreme of roof (6), push down fore-set (8) are installed to the lower extreme of push down spring (7), seal structure (9) are installed to the lower extreme that the inside of valve body (2) is located down fore-set (8) down, go up handle frame (14) and install in the outside of handle frame (14) and push up handle (16), carry pull rod (17) are installed to the inboard of carrying pull rod (15), the internally mounted of push down fore-set (8) is carried and is carried pull rod (18), carry pull rod (18) lower extreme (19) are installed.

2. A pressure relief valve for a pressure vessel as defined in claim 1, wherein: the lower pressing column (8) penetrates through the sealing connecting plate (4) and is movably connected with the sealing connecting plate, and the lower end of the lower pressing column (8) is located inside the lower valve body (2).

3. A pressure relief valve for a pressure vessel as defined in claim 1, wherein: the lifting frame (15) and the upper pressing handle (16) are movably connected with the handle frame (14), and the lifting frame (15) is positioned above the upper pressing handle (16).

4. A pressure relief valve for a pressure vessel as claimed in claim 1, wherein: seal structure (9) are including push down mounting panel (10), sealed post (11), closing plate (12) and row's pressure through-hole (13), and push down mounting panel (10) are installed at the lower extreme of push down post (8), and the lower extreme at push down mounting panel (10) is installed in a plurality of sealed posts (11), and closing plate (12) are installed in the inner wall bottom of valve body (2) down, and the inside at closing plate (12) is seted up in a plurality of row's pressure through-holes (13).

5. A pressure relief valve for a pressure vessel as defined in claim 4, wherein: the lower pressing mounting plate (10) is located above the sealing plate (12), the sealing columns (11) are inserted into the pressure discharge through holes (13) and are connected with the pressure discharge through holes in a matched mode, the sealing columns (11) are divided into three groups, and the lower ends of the three groups of sealing columns (11) are sequentially arranged and mounted from low to high.

6. A pressure relief valve for a pressure vessel as defined in claim 1, wherein: the lifting rod (17) penetrates through the lower pressing top column (5), the top plate (6), the sealing connecting plate (4) and the lower pressing column (8) to be fixedly connected with the lifting column (18), and the lifting plate (19) is attached to and connected with the inner wall of the lower pressing column (8).