CN213332487U

CN213332487U - High-strength wear-resistant plug valve

Info

Publication number: CN213332487U
Application number: CN202022030192.4U
Authority: CN
Inventors: 罗玉斌
Original assignee: Chongqing Yinhe Petrochemical Machinery Manufacturing Co ltd
Current assignee: Chongqing Yinhe Petrochemical Machinery Manufacturing Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-01
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a high strength wear-resisting plug valve, including the connecting tube, the one end of connecting tube is connected with the mounting disc, and one side of mounting disc is provided with the mounting hole that runs through to the opposite side, and the center department of connecting tube is connected with the valve body, and the upper end of valve body is connected with the valve gap, and the inside of valve body is provided with the cock, and the upper end of cock is connected with the dwang, and the other end of connecting tube is provided with the delivery port. This wear-resisting plug valve of high strength can reach in the use at the plug valve through being provided with seal structure and preventing backflow structure, can realize when the fluid is operated, can improve the leakproofness between the structure betterly, still has certain effect that prevents the backward flow simultaneously, when not in time closing the valve, can effectually carry out effectual separation with the fluid of valve both sides, this valve simple structure simultaneously, easy preparation, convenient dismantlement and installation.

Description

High-strength wear-resistant plug valve

Technical Field

The utility model relates to the technical field of valves, specifically a high strength wear-resisting plug valve.

Background

The plug valve is widely used in various industries, particularly various heavy industry and chemical industry, the channel port on the valve plug is the same as or separated from the channel port on the valve body through rotating a certain angle, the valve which is opened or closed is realized, meanwhile, the flowing speed of fluid in the pipeline can be controlled through the difference of the rotating angle in the use process, the use of people is facilitated, and therefore, the plug valve has certain important significance for the improvement of the plug valve technology.

The prior art has the following defects or problems:

the common plug valve has the advantages that the common plug valve can cause abrasion between structures for a long time through direct contact between the structures, gaps occur, the integral sealing performance is influenced, the leakage phenomenon can occur, the integral is scrapped, and the service life is short; meanwhile, the existing plug valve has a single function, and if the existing plug valve cannot be closed in time in the use process of people, the phenomenon of suck-back can occur, so that the liquid on two sides is mixed, and the quality of the fluid is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a high strength wear-resisting plug valve to reach long service life, it is sealed effectual, still have the purpose of preventing the suck-back function simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength wear-resistant plug valve comprises a connecting pipeline, wherein one end of the connecting pipeline is connected with a mounting disc, one side of the mounting disc is provided with a mounting hole penetrating to the other side, the center of the connecting pipeline is connected with a valve body, the upper end of the valve body is connected with a valve cover, a plug is arranged in the valve body, the upper end of the plug is connected with a rotating rod, the other end of the connecting pipeline is provided with a water outlet, the bottom of the valve body is provided with a bottom cover, one end of the valve cover is provided with a fixing screw connected with the valve body, one side of the valve body is provided with a connecting channel penetrating to the other side, a bottom sealing ring is arranged between the valve body and the bottom cover, a sealing ring is arranged between the plug and the valve cover, a bushing is arranged between the plug and the, the lower extreme of connecting block is connected with the baffle, one side of baffle is connected with the rubber circle.

As the utility model discloses an optimal technical scheme, the mounting disc divide into two sets ofly, and with connecting tube fixed connection, the even arrangement of mounting hole is on the mounting disc.

As the utility model discloses an optimal technical scheme, the valve gap passes through fixed screw and valve body fixed connection, the bottom passes through fixed screw and valve body fixed connection.

As the utility model discloses a preferred technical scheme, the size of a dimension of bush suits with the gap size between cock and the valve body, bottom sealing ring and bottom fixed connection, and rotate with the cock and be connected, sealing washer and cock zonulae occludens.

As the utility model discloses a preferred technical scheme, the baffle is connected through rotating bolt and connecting block rotation.

As the preferred technical scheme of the utility model, rubber circle and baffle fixed connection.

Compared with the prior art, the utility model provides a high strength wear-resisting plug valve possesses following beneficial effect:

1. according to the high-strength wear-resistant plug valve, the bottom sealing ring, the sealing ring and the lining are arranged, the structures are tightly combined in the use process, the whole sealing performance can be greatly improved, the leakage phenomenon cannot occur, the inner sealing ring, the sealing ring and the lining can be replaced in the long-term use process, and the service life is prolonged;

2. according to the high-strength wear-resistant plug valve, the valve cover and the bottom cover which are convenient to detach are arranged, the interior of the valve body can be conveniently inspected and parts can be conveniently replaced under the action of the fixing screws, the condition that one part is damaged and the whole body is scrapped is avoided, and the service life of the plug valve is prolonged;

3. this wear-resisting plug valve of high strength through setting up the baffle, when carrying out the operation to the adversary, makes things convenient for people in the time of not in time closing the valve, and the effectual liquid that prevents the valve both sides mixes, has reduced the consequence that the liquid backward flow produced, the people's of being convenient for use.

Drawings

FIG. 1 is a schematic structural view of a high-strength wear-resistant plug valve of the present invention;

FIG. 2 is a schematic view of the valve body structure of a high-strength wear-resistant plug valve of the present invention;

FIG. 3 is a schematic view of a sealing structure of a high-strength wear-resistant plug valve of the present invention;

fig. 4 is the anti-backflow schematic diagram of the high-strength wear-resistant plug valve of the present invention.

In the figure: 1. connecting a pipeline; 2. mounting a disc; 3. mounting holes; 4. a valve body; 5. a valve cover; 6. A cock; 7. rotating the rod; 8. a water outlet; 9. a bottom cover; 10. fixing screws; 11. a connecting channel; 12. a bottom seal ring; 13. a seal ring; 14. a bushing; 15. a baffle plate; 16. a fixed block; 17. Connecting blocks; 18. a rubber ring.

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.

Referring to fig. 1-4, in this embodiment: a high-strength wear-resistant plug valve comprises a connecting pipeline 1, wherein one end of the connecting pipeline 1 is connected with a mounting disc 2, one side of the mounting disc 2 is provided with a mounting hole 3 penetrating to the other side, the center of the connecting pipeline 1 is connected with a valve body 4, the upper end of the valve body 4 is connected with a valve cover 5, a plug 6 is arranged in the valve body 4, the upper end of the plug 6 is connected with a rotating rod 7, the other end of the connecting pipeline 1 is provided with a water outlet 8, the bottom of the valve body 4 is provided with a bottom cover 9, one end of the valve cover 5 is provided with a fixing screw 10 connected with the valve body 4, one side of the valve body 4 is provided with a connecting channel 11 penetrating to the other side, a bottom sealing ring 12 is arranged between the valve body 4 and the bottom cover 9, a sealing ring 13 is arranged between the plug, one side of fixed block 16 is connected with connecting block 17, and the lower extreme of connecting block 17 is connected with baffle 15, and one side of baffle 15 is connected with rubber circle 18.

In the embodiment, the mounting discs 2 are divided into two groups and fixedly connected with the connecting pipeline 1, the mounting holes 3 are uniformly distributed on the mounting discs 2, and when the valve is mounted, the mounting holes 3 and the fixing holes of the connecting pipeline 1 can be tightly and fixedly connected through the action of screws, so that the valve is convenient to mount and dismount daily; the valve cover 5 is fixedly connected with the valve body 4 through the fixing screws 10, the bottom cover 9 is fixedly connected with the valve body 4 through the fixing screws 10, the top and the bottom of the valve can be disassembled through the action of the fixing screws 10, the replacement and installation of internal parts in the use process are facilitated, the condition that one internal part is damaged to cause integral scrapping is avoided, the waste of materials is avoided, and meanwhile the service life of the valve is prolonged; the size of the bushing 14 is matched with the size of a gap between the cock 6 and the valve body 4, the bottom sealing ring 12 is fixedly connected with the bottom cover 9 and is rotatably connected with the cock 6, the sealing ring 13 is tightly connected with the cock 6, and a layer of sealing structure is added between the structures, so that the sealing effect between the structures can be improved, the sealing performance in the use process is improved, meanwhile, the direct contact between metal structures is avoided, the abrasion is reduced, meanwhile, the sealing structure can be replaced, the leakage condition is avoided, and the service life of the whole body is prolonged; the baffle 15 is rotationally connected with the connecting block 17 through a rotating bolt, in daily use engineering, when a pipeline is opened and liquid in the pipeline flows, in the existing structure, the valve has a single function, when people cannot timely close the valve, the situation of liquid backflow can occur, so that the liquid on two sides is mixed, and serious consequences can be brought, in the improved structure, in the liquid flowing process, the baffle 15 can be pushed open, the liquid continues to flow, when a user does not timely close the valve, the liquid suck backwards, the outlet can be blocked by the baffle 15, the larger the suck-backwards pressure is, the larger the pressure of the baffle 15 on the outlet is, and the effect of quickly stopping backflow is realized; the rubber ring 18 is fixedly connected with the baffle 15, and the rubber ring 18 is mainly used for improving the sealing property between the baffle 15 and the fixed block 16 and enhancing the sealing effect in the non-return process.

The utility model discloses a theory of operation and use flow: when in use, the whole body is connected with the water pipeline through the action of the bolt, when the pipeline is operated, the rotating rod 7 is rotated to drive the internal cock 6 to move until the connecting channel 11 is contacted with the water outlet 8, the opening operation is carried out in such a way that, when the liquid flows inside the connecting channel 11, the band of liquid acts on the shutter 15, pushing it open, when the liquid is no longer flowing, if people can not close the valve in time, the liquid on the right side of the baffle 15 acts on the baffle 15, the baffle 15 acts leftwards, the baffle 15 acts on the liquid outlet, the outlet is closed, the backflow prevention effect is realized, in the process of opening the valve, the sealing structure also plays a role in sealing the structures, so that the leakage of the valve can not occur, when the inspection tool is used for inspecting for a long time, only the fixing screw 10 is needed to be acted, and the internal parts are inspected or replaced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high strength wear-resisting plug valve, includes connecting tube (1), the one end of connecting tube (1) is connected with mounting disc (2), one side of mounting disc (2) is provided with mounting hole (3) that run through to the opposite side, the center department of connecting tube (1) is connected with valve body (4), the upper end of valve body (4) is connected with valve gap (5), the inside of valve body (4) is provided with cock (6), the upper end of cock (6) is connected with dwang (7), the other end of connecting tube (1) is provided with delivery port (8), its characterized in that: the bottom of valve body (4) is provided with bottom (9), the one end of valve gap (5) is provided with fixed screw (10) that are connected with valve body (4), one side of valve body (4) is provided with link channel (11) that run through to the opposite side, the centre of valve body (4) and bottom (9) is provided with bottom sealing ring (12), be provided with sealing washer (13) in the middle of cock (6) and valve gap (5), be provided with bush (14) in the middle of cock (6) and valve body (4), the inside top of link channel (11) is provided with fixed block (16), one side of fixed block (16) is connected with connecting block (17), the lower extreme of connecting block (17) is connected with baffle (15), one side of baffle (15) is connected with rubber circle (18).

2. A high strength wear resistant plug valve as claimed in claim 1 wherein: the mounting disc (2) is divided into two groups and is fixedly connected with the connecting pipeline (1), and the mounting holes (3) are uniformly distributed on the mounting disc (2).

3. A high strength wear resistant plug valve as claimed in claim 1 wherein: the valve cover (5) is fixedly connected with the valve body (4) through a fixing screw (10), and the bottom cover (9) is fixedly connected with the valve body (4) through the fixing screw (10).

4. A high strength wear resistant plug valve as claimed in claim 1 wherein: the size of the bushing (14) is matched with the size of a gap between the cock (6) and the valve body (4), the bottom sealing ring (12) is fixedly connected with the bottom cover (9) and is rotatably connected with the cock (6), and the sealing ring (13) is tightly connected with the cock (6).

5. A high strength wear resistant plug valve as claimed in claim 1 wherein: the baffle (15) is rotatably connected with the connecting block (17) through a rotating bolt.

6. A high strength wear resistant plug valve as claimed in claim 1 wherein: the rubber ring (18) is fixedly connected with the baffle (15).