CN212203131U

CN212203131U - Double-sealing high-pressure valve convenient to repair

Info

Publication number: CN212203131U
Application number: CN202020776621.XU
Authority: CN
Inventors: 顾绪海; 顾绪东
Original assignee: Jiangsu Haochen Machinery Mfg Co ltd
Current assignee: Jiangsu Haochen Machinery Mfg Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-22
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a two sealed high pressure valve of formula of just repairing, including the valve body, the fixed ring flange that is equipped with in top of valve body, the bottom fixed connection of bolt and valve gap is passed through on the top of ring flange, and the valve pocket has been seted up to the inside of valve body, and the inside interlude of valve pocket is equipped with the valve rod, and the top of valve gap is rotated and is installed the hand wheel with valve rod matched with, and the bottom of valve pocket inner wall is equipped with the disk seat subassembly, and detachable screw thread is installed respectively at the middle part and the top of valve pocket inner wall and is pressed a section of: cooperate through pressing a section of thick bamboo, packing layer and valve gap and compress tightly the installation to the disk seat subassembly, need not to weld the disk seat subassembly, be convenient for then maintain and change whole disk seat subassembly, need not to change whole valve, the maintenance of being convenient for, and the disk seat body of disk seat subassembly cooperatees with first valve head and second valve head and can form one-way double seal structure, and two in addition still can play sealed effect after single seal structure damages, improve one-way sealing performance.

Description

Double-sealing high-pressure valve convenient to repair

Technical Field

The utility model relates to a high pressure valve, in particular to just, repair formula double containment high pressure valve belongs to valve technical field.

Background

High pressure valves have been widely used in the fields of superhard material manufacturing, chemical industry, petrochemical industry, processing technology, isostatic pressing, ultra-high hydrostatic extrusion, powder metallurgy, metal forming, geophysical and geological research, etc. Can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil products, liquid metal, radioactive media and the like. The opening and closing piece is a disc-shaped valve plate and rotates around the axis of the opening and closing piece in the valve body, so that the opening and closing or adjusting purpose is achieved.

The existing high-pressure valve is only provided with one valve seat generally, the valve seat is welded on the valve body, under the high-temperature and high-pressure environment, the valve seat is easily eroded and abraded, the whole valve is scrapped easily after abrasion, the maintenance is inconvenient, the sealing performance is poor, the existing high-pressure valve is not provided with an emergency stop structure, the whole valve is required to be disassembled and replaced generally, and time and labor are wasted during the maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a just, repair formula double containment high pressure valve to solve the welding of the current high pressure valve disk seat that proposes in the above-mentioned background art on the valve body, be not convenient for maintain and do not have the scram structure, generally need whole dismantlement to carry out the problem of changing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two sealed high pressure valve of formula of just repairing, includes the valve body, the fixed ring flange that is equipped with in top of valve body, the bottom fixed connection of bolt and valve gap is passed through on the top of ring flange, the valve pocket has been seted up to the inside of valve body, the inside interlude of valve pocket is equipped with the valve rod, the top of valve gap is rotated and is installed the hand wheel with valve rod matched with, the bottom of valve pocket inner wall is equipped with the disk seat subassembly, detachable screw thread is installed respectively at the middle part and the top of valve pocket inner wall and is pressed a section.

As a preferred technical scheme of the utility model, the disk seat subassembly includes that the vertical section is disk seat body, first valve head, second valve head and the third valve head of echelonment, fixed cover is established respectively at the bottom and the bottom of valve rod to first valve head and second valve head, the fixed top that sets up at first valve head of third valve head, just the fixed cover of third valve head is established on the valve rod, the middle part on disk seat body top is seted up with third valve head assorted valve head mouth.

As an optimal technical scheme of the utility model, import pore and exit pore have been seted up respectively to the top of valve body one side and the bottom of opposite side, one side intercommunication of import pore and valve pocket, connecting pore and exit pore intercommunication are passed through to the bottom of valve pocket, install the ball valve subassembly on the connecting pore.

As a preferred technical scheme of the utility model, the ball valve subassembly includes pivot, spheroid and handle, the pivot is passed through sealed bearing and is rotated the bottom of alternating and installing in valve body one side, spheroid and handle respectively with the both ends fixed connection of pivot, spherical groove has been seted up at the middle part of connected pore inner wall, the spheroid rolls and sets up the inside at spherical groove, vertical through-hole has been seted up at spheroidal middle part.

As an optimized technical scheme of the utility model, press one side of a section of thick bamboo to offer with import pore matched with opening.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a just, two seal high pressure valve of formula of repairing, cooperate through pressing a section of thick bamboo, packing layer and valve gap to compress tightly the installation to the disk seat subassembly, need not to weld the disk seat subassembly, then be convenient for maintain and change whole disk seat subassembly, need not to change whole valve, be convenient for maintain, and the disk seat body of disk seat subassembly cooperates with first valve head and second valve head and can form one-way two seal structure, another two still can play sealed effect after single seal structure damages, improve one-way sealing performance, rethread third valve head and valve head mouth cooperate and can constitute two-way seal structure, can rationally utilize the space inside the valve pocket when further prolonging service life; the rotating shaft can drive the ball body to roll in the spherical groove through the handle, the angle of the through hole can be adjusted, the through hole can be vertical, the circulation of the connecting hole channel can be guaranteed, the through hole can be closed horizontally, the ball valve is similar to a ball valve, the high-pressure valve is enabled to have an emergency stop function, the whole high-pressure valve is not required to be detached in the replacement process, and the maintenance is more convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a flange plate; 4. a valve cavity; 5. a valve stem; 6. a hand wheel; 7. an inlet duct; 8. an outlet duct; 9. a connecting channel; 10. a valve seat assembly; 1001. a valve seat body; 1002. a first valve head; 1003. a second valve head; 1004. a third valve head; 1005. a valve head port; 11. pressing the cylinder; 12. a filler layer; 13. a ball valve assembly; 1301. a rotating shaft; 1302. a sphere; 1303. a handle; 1304. a through hole; 14. a spherical groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a just, repair formula double containment high pressure valve, including valve body 1, the fixed ring flange 3 that is equipped with in top of valve body 1, the bottom fixed connection of bolt and valve gap 2 is passed through on the top of ring flange 3, valve cavity 4 has been seted up to the inside of valve body 1, the inside interlude of valve cavity 4 is equipped with valve rod 5, the top of valve gap 2 is rotated and is installed and with valve rod 5 matched with hand wheel 6, the bottom of valve cavity 4 inner wall is equipped with valve seat assembly 10, detachable screw thread is installed respectively at the middle part and the top of valve cavity 4 inner wall and is pressed a section of thick bamboo 11 and packing layer 12, through pressing a section of thick bamboo 11, packing layer 12 and valve gap 2 cooperate and compress tightly installation to valve seat assembly 10, need not to weld valve seat assembly.

Preferably, the valve seat assembly 10 includes a valve seat body 1001 with a stepped vertical section, a first valve head 1002, a second valve head 1003 and a third valve head 1004, the first valve head 1002 and the second valve head 1003 are respectively fixedly sleeved at the bottom and the bottom of the valve rod 5, the third valve head 1004 is fixedly arranged at the top end of the first valve head 1002, the third valve head 1004 is fixedly sleeved on the valve rod 5, a valve head opening 1005 matched with the third valve head 1004 is formed in the middle of the top end of the valve seat body 1001, two sealing structures can be formed by matching the stepped inner wall of the valve seat body 1001 with the first valve head 1002 and the second valve head 1003, the other sealing structure can still play a sealing role after being damaged, so that the service life can be prolonged, meanwhile, the third valve head 1004 is driven by the valve rod 5 to be matched with the valve head opening 1005 for resealing, the service life can be further prolonged, and the space inside the valve cavity 4 can be reasonably, the top of one side of the valve body 1 and the bottom of the other side are respectively provided with an inlet hole channel 7 and an outlet hole channel 8, the inlet hole channel 7 is communicated with one side of the valve cavity 4, the bottom end of the valve cavity 4 is communicated with the outlet hole channel 8 through a connecting hole channel 9, a ball valve assembly 13 is installed on the connecting hole channel 9, the whole high-pressure valve can be closed emergently through the ball valve assembly 13, the whole high-pressure valve does not need to be disassembled and replaced, and the valve seat assembly 10 is more convenient to maintain and replace, the ball valve assembly 13 comprises a rotating shaft 1301, a ball 1302 and a handle 1303, the rotating shaft 1301 is rotatably and interpenetrated at the bottom of one side of the valve body 1 through a sealing bearing, the ball 1302 and the handle 1303 are respectively and fixedly connected with two ends of the rotating shaft 1301, the middle part of the inner wall of the connecting hole channel 9 is provided with a spherical groove 14, the ball 1302 is arranged, reach the purpose of adjusting through-hole 1304 angle, can ensure the circulation of connecting channel 9 when through-hole 1304 is vertical, can reach the purpose of closing connecting channel 9 when through-hole 1304 is horizontal, press a section of thick bamboo 11 one side to offer with import pore 7 matched with opening, avoid pressing a section of thick bamboo 11 to hinder the flow performance of valve body 1 through the opening.

When in specific use, the utility model relates to a convenient repair type double-sealing high-pressure valve, during installation, the valve seat body 1001 of the valve seat component 10 is firstly placed at the bottom end of the inner wall of the valve cavity 4, then the pressure cylinder 11 and the packing layer 12 are installed, finally the valve cover 2 is fixed through the bolt, the valve seat component 10 is tightly installed through the matching of the pressure cylinder 11, the packing layer 12 and the valve cover 2, the valve seat component 10 is not required to be welded, then the whole valve seat component 10 is convenient to maintain and replace, the whole valve is not required to be replaced, the valve can be normally used after the installation, namely, when the high-pressure valve is required to be closed, the valve rod 5 is driven to move downwards through the rotating hand wheel 6 until the first valve head 1002 and the second valve head are respectively tightly attached to the step part of the inner wall of the valve seat body 1001, at the moment, the one-way double-sealing structure can be formed through the matching of the, the one-way sealing performance is improved, when the double sealing structures are damaged, the hand wheel 6 is rotated reversely to drive the valve rod 5 to move upwards to the third valve head 1004 to be tightly attached to the valve head opening 1005, and then the third valve head 1004 is matched with the valve head opening 1005 to form a two-way sealing structure, so that the service life is further prolonged, and the space inside the valve cavity 4 can be reasonably utilized, when the valve seat assembly 10 needs to be replaced after being damaged, the handle 1303 rotates the rotating shaft 1301 to drive the ball 1302 to roll in the spherical groove 14, so that the purpose of adjusting the angle of the through hole 1304 is achieved, the communication of the connecting hole 9 can be ensured when the through hole 1304 is vertical, the purpose of closing the connecting hole 9 can be achieved when the through hole 1304 is horizontal, the high-pressure valve has the function of emergency stop, the whole high-pressure valve does not need to be detached in the replacement process, the maintenance is more convenient, and then the installation steps are reversed to take out and replace the valve rod 5 and the valve seat assembly 10.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a two sealing high pressure valve of formula of just repairing, includes valve body (1), its characterized in that, the top of valve body (1) is fixed and is equipped with ring flange (3), the bottom fixed connection of bolt and valve gap (2) is passed through on the top of ring flange (3), valve pocket (4) have been seted up to the inside of valve body (1), the inside interlude of valve pocket (4) is equipped with valve rod (5), the top of valve gap (2) is rotated and is installed hand wheel (6) with valve rod (5) matched with, the bottom of valve pocket (4) inner wall is equipped with disk seat subassembly (10), detachable screw thread is installed respectively at the middle part and the top of valve pocket (4) inner wall and is pressed section of thick bamboo (11) and packing layer (.

2. The dual seal high pressure valve of claim 1 wherein: the valve seat assembly (10) comprises a valve seat body (1001) with a stepped vertical section, a first valve head (1002), a second valve head (1003) and a third valve head (1004), wherein the first valve head (1002) and the second valve head (1003) are fixedly sleeved at the bottom and the bottom end of a valve rod (5) respectively, the third valve head (1004) is fixedly arranged at the top end of the first valve head (1002), the third valve head (1004) is fixedly sleeved on the valve rod (5), and a valve head opening (1005) matched with the third valve head (1004) is formed in the middle of the top end of the valve seat body (1001).

3. The dual seal high pressure valve of claim 1 wherein: the ball valve is characterized in that an inlet pore passage (7) and an outlet pore passage (8) are respectively formed in the top of one side and the bottom of the other side of the valve body (1), the inlet pore passage (7) is communicated with one side of the valve cavity (4), the bottom end of the valve cavity (4) is communicated with the outlet pore passage (8) through a connecting pore passage (9), and a ball valve assembly (13) is installed on the connecting pore passage (9).

4. The dual seal high pressure valve of claim 3 wherein: ball valve subassembly (13) include pivot (1301), spheroid (1302) and handle (1303), pivot (1301) rotate the bottom of interlude installation in valve body (1) one side through sealed bearing, spheroid (1302) and handle (1303) respectively with the both ends fixed connection of pivot (1301), spherical groove (14) have been seted up at the middle part of connecting pore (9) inner wall, spheroid (1302) roll and set up the inside in spherical groove (14), vertical through-hole (1304) have been seted up at the middle part of spheroid (1302).

5. The dual seal high pressure valve of claim 1 wherein: one side of the pressing cylinder (11) is provided with an opening matched with the inlet pore passage (7).