CN219888827U

CN219888827U - Steam valve convenient to maintenance

Info

Publication number: CN219888827U
Application number: CN202320922886.XU
Authority: CN
Inventors: 洪三祐
Original assignee: Jubaoxin Machinery Suzhou Co ltd
Current assignee: Jubaoxin Machinery Suzhou Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-10-24
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a steam valve convenient to maintain, and particularly relates to the technical field of steam valves. According to the utility model, the movable block is arranged at one end of the pull rod, the first movable groove is arranged on the outer wall of the movable block, so that the movement track of the positioning rod is limited.

Description

Steam valve convenient to maintenance

Technical Field

The utility model relates to the technical field of steam valves, in particular to a steam valve convenient to maintain.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc. The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are also classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard custom valves, etc., and the steam valve belongs to one of the valves;

steam valves are used on medium lines that are vented with steam, and can be used in most gas, liquid, steam and corrosive applications. The steam valve is also called a pneumatic angle seat valve and a pneumatic angle seat valve. The steam valve (hereinafter referred to as an angle seat valve) can save space by maintaining the flow rate, and the guide angle seat valve is operated by adopting a single-acting pneumatic actuator with spring safety protection, and is required to be normally opened or normally closed when in use. Meanwhile, a steam plunger valve which adopts a threaded rod for extrusion is also arranged in the steam valve.

At present, when the steam valve on the market is used, two ends of the steam valve are required to be connected with a pipeline for use, in actual use, when the steam valve is connected with the pipeline for use, particularly, the steam plunger valve is driven by a threaded rod to drive a valve rod and a valve clack for extrusion, when the steam valve is used for a period of time, the steam valve is required to be maintained in a valve body, the steam valve is difficult to detach between the threaded rod and the valve rod due to the fact that a plurality of threaded rods are connected with the valve rod in a welding mode or other fixed connection modes, and particularly when the threaded rod is required to be replaced, the threaded rod can be detached by special tools.

Disclosure of Invention

The utility model aims to provide a steam valve convenient to maintain, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a steam valve convenient to maintain comprises a valve body;

the inlet pipe penetrates through the valve body, and the valve body is communicated with the inlet pipe;

the opening and closing disc is arranged at the top of the valve body;

valve body top fixedly connected with valve casing, the inside threaded rod that is equipped with of valve casing, the threaded rod top runs through in the valve casing top, the threaded rod is connected through the screw thread with the valve casing, threaded rod outer wall and opening and shutting dish fixed connection, the inside recess of seting up of threaded rod, the inside pull rod that is equipped with of recess, the pull rod top runs through in threaded rod outer wall, threaded rod and pull rod sliding connection, pull rod bottom fixedly connected with movable block, first movable groove has been seted up to movable block outer wall one side, first movable groove inside sliding connection has a movable rod, movable rod bottom fixedly connected with locating lever, the inside valve rod that is equipped with of valve body, the valve rod top runs through in the valve casing inside, valve rod and valve casing sliding connection, the fixed slot is seted up on the valve rod top, inside and the bottom sliding connection of fixed slot, locating slot one end runs through in the fixed slot inside, locating lever and sliding connection, locating lever one end and locating slot sliding connection.

Further, the inside fixedly connected with fixed plate of recess, fixed plate outer wall fixedly connected with dead lever, dead lever one end runs through inside the locating lever, dead lever and locating lever sliding connection, the joining of dead lever makes the motion track of locating lever obtain the restriction.

Further, the baffle is fixedly connected to the outer wall of the pull rod, a spring is arranged between the outer wall of the baffle and the groove, and the baffle can return to the initial position due to the addition of the spring.

Further, a second moving groove is formed in the first moving groove, a second moving block is slidably connected in the second moving groove, the outer wall of the first moving block is fixedly connected with the second moving block, and the first moving groove is added, so that the movement track of the first moving block is limited.

Further, business turn over pipe one end fixedly connected with disc, the stable groove has been seted up to the disc outer wall, stable inslot portion sliding connection has the pipeline, and stable groove's joining makes the position of pipeline obtain the restriction.

Further, the extrusion groove has been seted up to the stable inslot portion, the inside sliding connection of extrusion groove has the stripper plate, the stripper plate outer wall rotates and is connected with the bolt, the bolt is kept away from stripper plate one end and is run through in the disc outer wall, the bolt is connected through the screw thread with the disc, the joining of bolt makes the stripper plate can be at the inside motion of extrusion groove.

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

1. the steam valve convenient to maintain can enable the valve body and the valve shell to be convenient to detach, a moving block is arranged at one end of a pull rod, a first moving groove is arranged on the outer wall of the moving block, a second moving groove is arranged on one side of the first moving groove, a first moving block is arranged in the first moving groove, a movable rod is arranged on the outer wall of the first moving block, a positioning rod is arranged at one end of the movable rod, and a fixed rod is arranged at one end of the positioning rod.

2. The steam valve convenient to maintain can enable the pipeline to be connected with the device conveniently, the stabilizing groove is formed in the outer wall of the disc, the extrusion groove is formed in the stabilizing groove, the extrusion plate is arranged in the extrusion groove, and the bolt is arranged on the outer wall of the extrusion plate, so that the movement track of the extrusion plate is limited.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of the threaded rod of the present utility model;

FIG. 3 is a side cross-sectional view of a disk of the present utility model;

fig. 4 is a front cross-sectional view of the extrusion block of the present utility model.

In the figure: 1. a valve body; 2. an inlet pipe and an outlet pipe; 3. an opening and closing disc; 4. a valve housing; 5. a threaded rod; 6. a groove; 7. a pull rod; 8. a moving block; 9. a first moving groove; 10. a first movable block; 11. a movable rod; 12. a positioning rod; 13. a valve stem; 14. a fixing groove; 15. a positioning groove; 16. a fixing plate; 17. a fixed rod; 18. a baffle; 19. a spring; 20. a second moving groove; 21. a disc; 22. a stabilizing groove; 23. a pipe; 24. an extrusion groove; 25. an extrusion plate; 26. a bolt; 27. and a second movable block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a steam valve convenient for maintenance, and the technical scheme is as follows:

a steam valve convenient to maintain comprises a valve body 1;

the inlet pipe 2 penetrates through the valve body 1, and the valve body 1 is communicated with the inlet pipe 2;

the opening and closing disc 3 is arranged at the top of the valve body 1;

valve body 1 top fixedly connected with valve casing 4, the inside threaded rod 5 that is equipped with of valve casing 4, threaded rod 5 top runs through in valve casing 4 top, threaded rod 5 is connected through the screw thread with valve casing 4, threaded rod 5 outer wall and the 3 fixed connection of dish that opens and shuts, threaded rod 5 is inside to be seted up flutedly 6, inside pull rod 7 that is equipped with of recess 6, the pull rod 7 top runs through in threaded rod 5 outer wall, threaded rod 5 and pull rod 7 sliding connection, pull rod 7 bottom fixedly connected with movable block 8, first movable groove 9 has been seted up to movable block 8 outer wall one side, first movable groove 9 inside sliding connection has first movable block 10, first movable block 10 outer wall articulates there is movable rod 11, movable rod 11 bottom fixedly connected with locating lever 12, valve body 1 inside is equipped with valve rod 13, valve rod 13 top runs through in valve casing 4 inside, valve rod 13 and valve casing 4 sliding connection, fixed slot 14 has been seted up on valve rod 13 top, inside and 5 bottom sliding connection of fixed slot 14, locating slot 15 has been seted up inside, locating lever 12 one end runs through in fixed slot 14 inside, locating lever 12 and 5 sliding connection.

In a preferred embodiment, the fixing plate 16 is fixedly connected to the inside of the groove 6, the fixing rod 17 is fixedly connected to the outer wall of the fixing plate 16, one end of the fixing rod 17 penetrates through the inside of the positioning rod 12, the fixing rod 17 is slidably connected with the positioning rod 12, and when the positioning rod 12 moves, the positioning rod 12 can slidably move on the outer wall of the fixing rod 17.

In a preferred embodiment, the outer wall of the pull rod 7 is fixedly connected with a baffle 18, and a spring 19 is arranged between the outer wall of the baffle 18 and the groove 6, and when the baffle 18 moves, the baffle 18 drives the spring 19 to move.

In a preferred embodiment, the first moving slot 9 is internally provided with a second moving slot 20, the second moving slot 20 is internally connected with a second movable block 27 in a sliding manner, the outer wall of the first movable block 10 is fixedly connected with the second movable block 27, and when the first movable block 10 moves, the first movable block 10 can drive the second movable block 27 to move.

The working principle of the utility model is as follows: when the device is used, when the valve housing 4 and the valve body 1 are required to be separated and disassembled, the threaded bolt between the valve housing 4 and the valve body 1 is rotated firstly, so that the valve housing 4 and the valve body 1 can be separated, the pull rod 7 is pulled at the moment, the pull rod 7 can slide with the threaded rod 5, meanwhile, the pull rod 7 can slide in the groove 6, the pull rod 7 can drive the baffle 18 to move, the baffle 18 can slide in the groove 6, the baffle 18 can drive the spring 19 to move, the spring 19 is extruded, meanwhile, the pull rod 7 drives the movable block 8 to move, the movable block 8 can slide in the groove 6, the movable block 8 can drive the first movable block 10 to move, the first movable block 10 can drive the first movable block 9 to slide in the first movable groove 9, the first movable block 10 can drive the second movable block 27 to move, the second movable block 27 is made to slide in the second movable groove 20, the first movable block 10 drives the movable rod 11 to move simultaneously, the movable rod 11 is made to slide in the groove 6, the movable rod 11 drives the positioning rod 12 to move simultaneously, the positioning rod 12 is made to slide in the groove 6, the positioning rod 12 is made to slide in the outer wall of the fixed rod 17 simultaneously, the positioning rod 12 is made to slide in the fixed groove 14 simultaneously, one end of the positioning rod 12 is separated from the positioning groove 15, when one end of the positioning rod 12 is completely separated from the positioning groove 15, the valve shell 4 is pulled, the valve shell 4 can drive the threaded rod 5 to move, the bottom end of the threaded rod 5 is moved out from the inside of the fixed groove 14, the valve shell 4 and the valve body 1 are made to be convenient to detach, the threaded rod 5 and the valve rod 13 are made to be convenient to separate simultaneously, and further the device is made to be more convenient to maintain internally.

Referring to fig. 1-3, the present utility model provides the following technical solutions: one end of the inlet pipe 2 is fixedly connected with a disc 21, a stabilizing groove 22 is formed in the outer wall of the disc 21, a pipeline 23 is slidably connected in the stabilizing groove 22, and when the pipeline 23 moves, the pipeline 23 moves in the stabilizing groove 22.

In a preferred embodiment, the stabilizing groove 22 is internally provided with a pressing groove 24, the pressing groove 24 is internally connected with a pressing plate 25 in a sliding manner, the outer wall of the pressing plate 25 is rotationally connected with a bolt 26, one end of the bolt 26 away from the pressing plate 25 penetrates through the outer wall of the disc 21, the bolt 26 is connected with the disc 21 through threads, and when the bolt 26 moves, the bolt 26 drives the pressing plate 25 to move.

The working principle of the utility model is as follows: when the device is used, when the pipeline 23 needs to be connected, one end of the pipeline 23 enters the stabilizing groove 22, the flange plate on the outer wall of the pipeline 23 is contacted with the disc 21, one end of the threaded bolt penetrates through the flange plate and enters the hole on the outer wall of the disc 21, the position of the pipeline 23 is fixed, the bolt 26 is rotated, the bolt 26 and the disc 21 move through threads, the bolt 26 can slide in the extruding groove 24, the bolt 26 can drive the extruding plate 25 to move, the extruding plate 25 slides in the extruding groove 24, one end of the extruding plate 25 extrudes the outer wall of the pipeline 23, the position of the pipeline 23 is secondarily fixed, and meanwhile, when the diameter of the pipeline 23 is smaller than that of the stabilizing groove 22, one end of the pipeline 23 is connected with one end of the inlet and outlet pipe 2, and an inclined gap is prevented from being formed by connecting one end of the pipeline 23 with one end of the inlet and outlet pipe 2.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A steam valve convenient to maintain, which comprises a valve body (1);

the inlet pipe (2) penetrates through the valve body (1), and the valve body (1) is communicated with the inlet pipe (2);

the opening and closing disc (3) is arranged at the top of the valve body (1);

the method is characterized in that:

valve body (1) top fixedly connected with valve casing (4), valve casing (4) inside is equipped with threaded rod (5), threaded rod (5) top runs through in valve casing (4) top, threaded rod (5) are connected through the screw thread with valve casing (4), threaded rod (5) outer wall and open and shut dish (3) fixed connection, threaded rod (5) inside seting up fluted (6), inside pull rod (7) that are equipped with of recess (6), pull rod (7) top runs through in threaded rod (5) outer wall, threaded rod (5) and pull rod (7) sliding connection, pull rod (7) bottom fixedly connected with movable block (8), first movable block (10) have been seted up to movable block (8) outer wall one side, first movable block (10) outer wall articulates there is movable rod (11), movable rod (11) bottom fixedly connected with locating lever (12), valve body (1) inside is equipped with pull rod (13), valve rod (13) top (4) are run through in threaded rod (7) bottom fixedly connected with movable block (8), valve casing (13) top (13) are seted up on one side of the valve rod (4), the utility model discloses a threaded rod, including fixed slot (14), threaded rod (5) bottom sliding connection, constant head tank (15) have been seted up to fixed slot (14) inside, constant head rod (12) one end runs through in fixed slot (14) inside, constant head rod (12) and threaded rod (5) sliding connection, constant head rod (12) one end and constant head tank (15) sliding connection.

2. A steam valve for facilitating maintenance as defined in claim 1, wherein: the fixing device is characterized in that a fixing plate (16) is fixedly connected inside the groove (6), a fixing rod (17) is fixedly connected to the outer wall of the fixing plate (16), one end of the fixing rod (17) penetrates through the inside of the locating rod (12), and the fixing rod (17) is in sliding connection with the locating rod (12).

3. A steam valve for facilitating maintenance as defined in claim 1, wherein: the outer wall of the pull rod (7) is fixedly connected with a baffle (18), and a spring (19) is arranged between the outer wall of the baffle (18) and the groove (6).

4. A steam valve for facilitating maintenance as defined in claim 1, wherein: the first movable groove (9) is internally provided with a second movable groove (20), the second movable groove (20) is internally connected with a second movable block (27) in a sliding manner, and the outer wall of the first movable block (10) is fixedly connected with the second movable block (27).

5. A steam valve for facilitating maintenance as defined in claim 1, wherein: one end of the inlet pipe (2) is fixedly connected with a disc (21), a stabilizing groove (22) is formed in the outer wall of the disc (21), and a pipeline (23) is connected inside the stabilizing groove (22) in a sliding mode.

6. A steam valve for facilitating maintenance as defined in claim 5, wherein: the novel plastic extrusion device is characterized in that an extrusion groove (24) is formed in the stabilizing groove (22), an extrusion plate (25) is connected to the extrusion groove (24) in a sliding mode, a bolt (26) is connected to the outer wall of the extrusion plate (25) in a rotating mode, one end, away from the extrusion plate (25), of the bolt (26) penetrates through the outer wall of the disc (21), and the bolt (26) is connected with the disc (21) through threads.