CN215214791U

CN215214791U - High-temperature butterfly valve with stainless steel lining

Info

Publication number: CN215214791U
Application number: CN202022944960.7U
Authority: CN
Inventors: 吕春秒
Original assignee: Tianjin Xidekai Valve Co ltd
Current assignee: Tianjin Xidekai Valve Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-12-17
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a inside lining stainless steel high temperature butterfly valve, including valve body and valve rod, the valve body is fixed all around and has been seted up first bolt hole, the fixed sealed axle that is provided with down in valve body bottom, sealed axle bottom is through first bolt fixed connection lower end housing down, valve body top fixedly connected with upper end cover, the upper end cover internal fixation sets up sealed axle, be provided with the valve plate in the valve body, valve plate one side fixed connection installation piece, valve rod top fixedly connected with rotates the handle, it has the brake handle through pivot swing joint to rotate handle bottom, brake handle bottom fixed connection brake block, the fixed brake disc that is provided with in upper end cover top, valve plate one side sets up the mounting groove, the mounting groove internalization is provided with the sealing washer, the activity of mounting groove opposite side sets up the clamp plate. The utility model discloses simple structure, convenient to use can effectively prevent corroding, has improved inside lining stainless steel high temperature butterfly valve's leakproofness and practicality greatly.

Description

High-temperature butterfly valve with stainless steel lining

Technical Field

The utility model relates to a inside lining stainless steel high temperature butterfly valve technical field specifically is an inside lining stainless steel high temperature butterfly valve.

Background

The high-temperature butterfly valve is a new generation high-temperature butterfly valve which is developed by introducing foreign advanced technology and combining with domestic manufacturing technology, is widely applied to high-temperature gas pipelines in the industries of metallurgy, building materials, chemical engineering, power stations, glass and the like, is used as a regulating or cutting device for high-temperature gas medium flow, and can be matched with various execution instruments to form equipment with different performances.

At present, a high-temperature butterfly valve is used as a component for realizing the on-off and flow control of a pipeline system, and has been widely applied in many fields such as petroleum, chemical engineering, water and electricity, but the existing high-temperature butterfly valve is easy to corrode when a high-temperature medium flows through, and the butterfly valve is easy to wear and cannot be used for a long time when being rotated frequently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a inside lining stainless steel high temperature butterfly valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature butterfly valve with a stainless steel lining comprises a valve body and a valve rod, wherein first bolt holes are fixedly formed in the periphery of the valve body, a lower sealing shaft is fixedly arranged at the bottom of the valve body, a lower end cover is fixedly connected to the bottom of the lower sealing shaft through a first bolt, an upper end cover is fixedly connected to the top of the valve body, an upper sealing shaft is fixedly arranged in the upper end cover, a valve plate is arranged in the valve body, an installation block is fixedly connected to one side of the valve plate, the valve rod penetrates through the installation block and is fixedly arranged, the bottom and the top of the valve rod are movably connected with the lower sealing shaft and the upper sealing shaft, a rotating handle is fixedly connected to the top of the valve rod, the bottom of the rotating handle is movably connected with a braking handle through a rotating shaft, a spring is fixedly connected between the braking handle and the rotating handle, and a braking block is fixedly connected to the bottom of the braking handle, the fixed brake disc that is provided with in upper end cap top, valve plate one side is provided with the mounting groove, the mounting groove internalization is provided with the sealing washer, the mounting groove opposite side activity is provided with the clamp plate, the clamp plate with the valve plate corresponds and is provided with the second bolt hole, and just passes through second bolt fixed connection.

Preferably, a plurality of first bolt holes are uniformly formed in the periphery of the valve body.

Preferably, the brake disc is engaged with the brake pad.

Preferably, a stainless steel lining is fixedly arranged on the inner side of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a butterfly valve and both sides pipeline are connected through first bolt hole, through setting up the installation piece in valve plate one side, the valve rod passes installation piece swing joint upper seal axle and lower seal axle, through centre gripping braking handle and rotation handle, make brake block and brake disc disengage the meshing, then rotate and rotate the handle and drive valve rod and valve plate rotation, make the butterfly valve open or close, loosen the braking handle after rotating to the assigned position, under the effect of spring, make brake block and brake disc resume the meshing, prevent the valve plate abnormal motion, through setting up the stainless steel inside lining in the valve body, the corrosion resistance and the high temperature resistance of butterfly valve have been improved, the life of butterfly valve has been improved;

2. the utility model discloses a set up the mounting groove in valve plate one side, be provided with the sealing washer in the mounting groove, through set up the second bolt hole on clamp plate and valve plate, through second bolted connection clamp plate and valve plate, fix the sealing washer in the mounting groove, meet with the stainless steel inside lining through the sealing washer, improved the leakproofness and the practicality of butterfly valve.

Drawings

FIG. 1 is a schematic view of the overall structure of a stainless steel-lined high-temperature butterfly valve of the present invention;

FIG. 2 is a schematic view of a partial structure of a stainless steel-lined high-temperature butterfly valve according to the present invention;

fig. 3 is an enlarged schematic structural view of a stainless steel lined high-temperature butterfly valve a of the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. a first bolt hole; 4. a lower seal shaft; 5. a first bolt; 6. a lower end cover; 7. an upper end cover; 8. an upper seal shaft; 9. a valve plate; 10. mounting blocks; 11. rotating the handle; 12. a brake handle; 13. a spring; 14. a brake pad; 15. a brake disc; 16. mounting grooves; 17. a seal ring; 18. pressing a plate; 19. a second bolt hole; 20. a second bolt; 21. and (4) a stainless steel lining.

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. 1-3, the present invention provides a stainless steel lining high temperature butterfly valve: a high-temperature butterfly valve with a stainless steel lining comprises a valve body 1 and a valve rod 2, wherein first bolt holes 3 are fixedly formed in the periphery of the valve body 1, a lower sealing shaft 4 is fixedly arranged at the bottom of the valve body 1, the bottom of the lower sealing shaft 4 is fixedly connected with a lower end cover 6 through a first bolt 5, an upper end cover 7 is fixedly connected to the top of the valve body 1, an upper sealing shaft 8 is fixedly arranged in the upper end cover 7, a valve plate 9 is arranged in the valve body 1, a mounting block 10 is fixedly connected to one side of the valve plate 9, the valve rod 2 is fixedly arranged by penetrating through the mounting block 10, the bottom and the top of the valve rod 2 are movably connected with the lower sealing shaft 4 and the upper sealing shaft 8, the top of the valve rod 2 is fixedly connected with a rotating handle 11 by penetrating through the upper sealing shaft 8, the bottom of the rotating handle 11 is movably connected with a braking handle 12 through a rotating shaft, a spring 13 is fixedly connected between the braking handle 12 and the rotating handle 11, and a braking block 14 is fixedly connected to the bottom of the braking handle 12, the top of the upper end cover 7 is fixedly provided with a brake disc 15, one side of the valve plate 9 is provided with a mounting groove 16, a sealing ring 17 is movably arranged in the mounting groove 16, the other side of the mounting groove 16 is movably provided with a pressing plate 18, the pressing plate 18 is correspondingly provided with a second bolt hole 19 with the valve plate 9 and is fixedly connected with the valve plate through a second bolt 20.

A plurality of first bolt holes 3 are uniformly formed in the periphery of the valve body 1;

the brake disc 15 is engaged with the brake block 14;

the pressure plate 18 and the valve plate 9 are uniformly provided with a plurality of second bolt holes 19;

a stainless steel lining 21 is fixedly arranged on the inner side of the valve body 1.

The working principle is as follows: the utility model connects the butterfly valve and the two-side pipeline through the first bolt hole 3, the installation block 10 is arranged on one side of the valve plate 9, the valve rod 2 passes through the installation block 10 to movably connect the upper sealing shaft 8 and the lower sealing shaft 4, the brake handle 12 and the rotating handle 11 are clamped to separate the brake block 14 from the brake disc 15, then the rotating handle 11 is rotated to drive the valve rod 2 and the valve plate 9 to rotate, the butterfly valve is opened or closed, the brake handle 12 is loosened after rotating to a specified position, the brake block 14 and the brake disc 15 are restored to be meshed under the action of the spring 13, the valve plate 9 is prevented from abnormal movement, the corrosion resistance and the high temperature resistance of the butterfly valve are improved by arranging the stainless steel lining 21 in the valve body 1, the service life of the butterfly valve is prolonged by arranging the installation groove 16 on one side of the valve plate 9, the sealing ring 17 is arranged in the installation groove 16, the second bolt holes 19 are arranged on the pressure plate 18 and the valve plate 9, the pressing plate 18 and the valve plate 9 are connected through the second bolt 20, the sealing ring 17 is fixed in the mounting groove 16, and the sealing ring 17 is connected with the stainless steel lining 21, so that the sealing performance and the practicability of the butterfly valve are improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 inside lining stainless steel high temperature butterfly valve, includes valve body (1) and valve rod (2), its characterized in that: the valve is characterized in that first bolt holes (3) are fixedly formed in the periphery of the valve body (1), a lower sealing shaft (4) is fixedly arranged at the bottom of the valve body (1), a lower end cover (6) is fixedly connected to the bottom of the lower sealing shaft (4) through a first bolt (5), an upper end cover (7) is fixedly connected to the top of the valve body (1), an upper sealing shaft (8) is fixedly arranged in the upper end cover (7), a valve plate (9) is arranged in the valve body (1), a mounting block (10) is fixedly connected to one side of the valve plate (9), a valve rod (2) penetrates through the mounting block (10) and is fixedly arranged, the bottom and the top of the valve rod (2) are movably connected with the lower sealing shaft (4) and the upper sealing shaft (8), the top of the valve rod (2) penetrates through the upper sealing shaft (8) and is fixedly connected with a rotating handle (11), and a braking handle (12) is movably connected to the bottom of the rotating handle (11) through a rotating shaft, braking handle (12) with fixedly connected with spring (13) between rotation handle (11), braking handle (12) bottom fixedly connected with brake block (14), upper end cover (7) top is fixed and is provided with brake disc (15), valve plate (9) one side is provided with mounting groove (16), mounting groove (16) internalization is provided with sealing washer (17), mounting groove (16) opposite side activity is provided with clamp plate (18), clamp plate (18) with valve plate (9) correspond and are provided with second bolt hole (19), and just pass through second bolt (20) fixed connection.

2. The stainless steel lined high temperature butterfly valve of claim 1, wherein: a plurality of first bolt holes (3) are uniformly formed in the periphery of the valve body (1).

3. The stainless steel lined high temperature butterfly valve of claim 1, wherein: the brake disc (15) is engaged with the brake block (14).

4. The stainless steel lined high temperature butterfly valve of claim 1, wherein: and a plurality of second bolt holes (19) are uniformly formed in the pressure plate (18) and the valve plate (9).

5. The stainless steel lined high temperature butterfly valve of claim 1, wherein: and a stainless steel lining (21) is fixedly arranged on the inner side of the valve body (1).