CN216844086U

CN216844086U - Governing valve with lubricated protection architecture

Info

Publication number: CN216844086U
Application number: CN202220643074.7U
Authority: CN
Inventors: 黄小文; 孟祥杰; 李卫; 赵潜; 邹亮
Original assignee: Chongqing Jianyan Kezhijie Building Materials Co ltd
Current assignee: Chongqing Jianyan Kezhijie Building Materials Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-06-28
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a governing valve with lubrication protection structure, including the valve casing, the welding of the inner wall intermediate position of valve casing has the fixed disk, and the intermediate position of fixed disk opens and to have the cavity, has all opened the water conservancy diversion mouth between the both sides outer wall bottom of fixed disk and the both sides inner wall bottom of cavity, and it has the stagnant flow board to peg graft in the inner wall bottom of cavity, and the top of stagnant flow board is provided with elevation structure, the welding of the top intermediate position of valve casing has lower valve gap, and the top fixedly connected with upper valve gap of lower valve gap, and the intermediate position of the bottom intermediate position of upper valve gap, lower valve gap and the top intermediate position of valve casing open there is the movable groove. The utility model discloses a height of U type lifter plate is adjusted with the screw thread effect of screw hole to the lead screw, and the pulling current-stopping plate moves up in the cavity, changes the flow that switches on between current-stopping plate and the water conservancy diversion mouth for the lead screw is at the lubricating oil internalization all the time, makes lubricating oil be in the inside of governing valve all the time, forms effectual lubricated protection effect.

Description

Governing valve with lubricated protection architecture

Technical Field

The utility model relates to a governing valve technical field especially relates to a governing valve with lubricated protection architecture.

Background

In the automatic control of modern plants, control valves play a very important role, and the production of these plants depends on the correct distribution and control of the flowing medium. These controls, whether energy exchange, pressure reduction, or simple vessel charging, require some final control element to accomplish. The regulator valve acts as a variable resistance in modern plant piping, changing the turbulence of the process fluid or providing a pressure drop in laminar flow conditions, a process commonly referred to as "throttling".

At present, the governing valve is generally manual formula, and it is more convenient in order to make to rotate at the rotation in-process, need to rotate its position and lubricate the protection and handle, but existing operation mode often just leave after only coating one deck lubricating oil, in case the lubricating oil inefficacy back, then can appear rotating inconvenient problem, consequently, need design a governing valve that is equipped with lubricated protection architecture and solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a regulating valve with a lubricating protection structure.

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

the utility model provides a governing valve with lubricated protection architecture, includes the valve casing, the inner wall intermediate position welding of valve casing has the fixed disk, and the intermediate position of fixed disk opens and to have the cavity, has all opened the water conservancy diversion mouth between the both sides outer wall bottom of fixed disk and the both sides inner wall bottom of cavity, and it has the stagnant flow board to peg graft in the inner wall bottom of cavity, and the top of stagnant flow board is provided with elevation structure, the top intermediate position welding of valve casing has lower valve gap, and the top fixedly connected with upper valve gap of lower valve gap, and the bottom intermediate position of upper valve gap, the intermediate position of lower valve gap and the top intermediate position of valve casing open has the movable groove, and the one end welding of movable groove has the lubricating oil that extends lower valve gap to advance the pipe, and the one end that lubricating oil advanced the pipe is provided with sealed lid.

Preferably, elevation structure includes the U type lifter plate of fixed connection at the stagnant flow board top, and the top intermediate position of U type lifter plate opens threaded hole, and the inner wall threaded connection of threaded hole has the lead screw, and square opening has all been opened to the both sides bottom of U type lifter plate.

Preferably, an annular filling groove is formed between the inside of the upper valve cover and the top of the movable groove, the top of the lead screw is inserted into the annular filling groove, a through hole is formed in the middle of the top of the annular filling groove, a rotating shaft penetrating through the through hole is welded at the top of the lead screw, and a rotating handle is welded at the top of the rotating shaft.

Preferably, the outer wall of the rotating shaft is connected with the inner wall of the through hole through a bearing, a sealing plug is bonded to the bottom of the through hole, and the sealing plug is sleeved on the outer wall of the rotating shaft.

Preferably, sealing strips are bonded around the top of the flow stopping plate, and the peripheries of the sealing strips and the periphery of the flow stopping plate are tightly attached to the inner wall of the periphery of the cavity.

Preferably, the flow passage mouth has all been opened at the both ends of valve casing, and the pipe has all been welded to one side of flow passage mouth, and the ring flange has all been welded to the one end of pipe.

Preferably, the top of lower valve gap and the bottom of upper valve gap all open there is the ring channel, and the cross section of ring channel sets up to semi-circular structure, and the inner wall laminating of two ring channels has the sealing ring.

The utility model has the advantages that:

1. through the valve casing that sets up, the pipe, the fixed disk, the cavity, the water conservancy diversion mouth, the stagnant flow board, go up the valve gap, lower valve gap and elevation structure constitute whole manual formula's governing valve structure, at the during operation of carrying out the governing valve, change in the usable elevation structure and drive pivot and lead screw and rotate, the height of U type lifter plate is adjusted to the screw thread effect through lead screw and screw hole, the pulling stagnant flow board moves up in the cavity, change the flow that switches on between stagnant flow board and the water conservancy diversion mouth, convenient operation.

2. Through the lower valve gap that sets up, the upper valve gap, the movable groove, the stagnant flow board, the sealing strip, the annular is filled the groove, sealing plug and lubricating oil advance the pipe, keep the annular through sealing strip and sealing plug and fill the groove, sealing performance in movable groove and the cavity, advance the lubricating oil that manages the inside injection into movable groove and cavity through lubricating oil, when governing valve during operation, the rising of stagnant flow board will promote lubricating oil and get into movable groove and annular and fill the inslot, make the lead screw be in the lubricating oil internalization all the time, make lubricating oil be in the inside of governing valve all the time, form effectual lubrication protection effect.

Drawings

FIG. 1 is a schematic view showing the overall structure of a control valve provided with a lubrication protection structure according to embodiment 1;

FIG. 2 is a schematic sectional front view of a regulator valve provided with a lubrication protection structure according to embodiment 1;

FIG. 3 is a schematic view of a structure of a stop plate and a lead screw of a regulating valve provided with a lubrication protection structure in embodiment 1;

FIG. 4 is a schematic structural view of a flow guide port and an annular filling groove of a regulating valve provided with a lubrication protection structure in embodiment 1;

FIG. 5 is a schematic view of a seal ring structure of a control valve provided with a lubrication protection structure according to embodiment 2;

fig. 6 is a schematic diagram of the annular groove structure of a regulating valve provided with a lubrication protection structure in embodiment 2.

In the figure: 1. a valve housing; 2. a conduit; 3. a flange plate; 4. a lower valve cover; 5. an upper valve cover; 6. turning a handle; 7. a rotating shaft; 8. a lubricating oil inlet pipe; 9. fixing the disc; 10. a cavity; 11. a flow stopping plate; 12. a sealing strip; 13. a U-shaped lifting plate; 14. a movable groove; 15. an annular filling groove; 16. a lead screw; 17. a sealing plug; 18. square opening; 19. a flow guide port; 20. a seal ring; 21. an annular groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, a regulating valve with a lubrication protection structure, including a valve casing 1, a fixed disk 9 is welded at the middle position of the inner wall of the valve casing 1, a cavity 10 is formed at the middle position of the fixed disk 9, a flow guide opening 19 is formed between the bottoms of the outer walls of two sides of the fixed disk 9 and the bottoms of the inner walls of two sides of the cavity 10, a flow stopping plate 11 is inserted into the bottom of the inner wall of the cavity 10, a lifting structure is arranged at the top of the flow stopping plate 11, a lower valve cover 4 is welded at the middle position of the top of the valve casing 1, an upper valve cover 5 is connected to the top of the lower valve cover 4 through a bolt, a movable groove 14 is formed at the middle position of the bottom of the lower valve cover 4 and the middle position of the top of the valve casing 1, a lubricating oil inlet pipe 8 extending out of the lower valve cover 4 is welded at one end of the movable groove 14, and a sealing cover is arranged at one end of the lubricating oil inlet pipe 8.

Further, the lifting structure comprises a U-shaped lifting plate 13 connected to the top of the flow stopping plate 11 through a bolt, a threaded hole is formed in the middle position of the top of the U-shaped lifting plate 13, a lead screw 16 is connected to the inner wall of the threaded hole in a threaded mode, and square openings 18 are formed in the bottoms of two sides of the U-shaped lifting plate 13.

Furthermore, an annular filling groove 15 is formed between the inside of the upper valve cover 5 and the top of the movable groove 14, the top of the lead screw 16 is inserted into the annular filling groove 15, a through hole is formed in the middle of the top of the annular filling groove 15, a rotating shaft 7 penetrating through the through hole is welded at the top of the lead screw 16, and a rotating handle 6 is welded at the top of the rotating shaft 7.

Further, the outer wall of the rotating shaft 7 is connected with the inner wall of the through hole through a bearing, a sealing plug 17 is bonded to the bottom of the through hole, and the sealing plug 17 is sleeved on the outer wall of the rotating shaft 7.

Furthermore, a sealing strip 12 is bonded around the top of the flow stopping plate 11, and the periphery of the sealing strip 12 and the periphery of the flow stopping plate 11 are tightly attached to the peripheral inner wall of the cavity 10.

Further, the flow passage mouth has all been opened at the both ends of valve casing 1, and the pipe 2 has all been welded to one side of flow passage mouth, and ring flange 3 has all been welded to the one end of pipe 2.

The working principle is as follows: when the manual regulating valve is used, a user forms the whole manual regulating valve structure through the arranged valve shell 1, the guide pipe 2, the fixed disc 9, the cavity 10, the flow guide port 19, the flow stop plate 11, the upper valve cover 5, the lower valve cover 4 and the lifting structure, when the regulating valve works, the rotating handle 6 in the lifting structure can be used for driving the rotating shaft 7 and the lead screw 16 to rotate, the height of the U-shaped lifting plate 13 is regulated through the screw action of the lead screw 16 and a threaded hole, the flow stop plate 11 is pulled to move upwards in the cavity 10, the conduction flow between the flow stop plate 11 and the flow guide port 19 is changed, the operation is convenient, the user keeps the sealing performance in the annular filling groove 15, the movable groove 14 and the cavity 10 through the sealing strip 12 and the sealing plug 17, lubricating oil injected into the movable groove 14 and the cavity 10 through the lubricating oil inlet pipe 8, when the regulating valve works, the rising of the flow stop plate 11 can push the lubricating oil to enter the movable groove 14 and the annular filling groove 15, the screw 16 is enabled to move in the lubricating oil all the time, so that the lubricating oil is always in the adjusting valve, and an effective lubricating protection effect is formed.

Example 2

Referring to fig. 5-6, compared with embodiment 1, in this embodiment, annular grooves 21 are formed at the top of the lower valve cover 4 and the bottom of the upper valve cover 5, the cross sections of the annular grooves 21 are semi-circular structures, and sealing rings 20 are attached to the inner walls of the two annular grooves 21.

The working principle is as follows: when the lubricating oil leakage prevention device is used, a user can fully maintain the sealing performance between the lower valve cover 4 and the upper valve cover 5 through the annular groove 21 and the sealing ring 20, and the problem of lubricating oil leakage is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A regulating valve with a lubricating protection structure comprises a valve casing (1) and is characterized in that a fixed disc (9) is welded in the middle of the inner wall of the valve casing (1), a cavity (10) is formed in the middle of the fixed disc (9), flow guide openings (19) are formed between the bottoms of the outer walls of two sides of the fixed disc (9) and the bottoms of the inner walls of two sides of the cavity (10), a flow stopping plate (11) is inserted in the bottom of the inner wall of the cavity (10), a lifting structure is arranged at the top of the flow stopping plate (11), a lower valve cover (4) is welded in the middle of the top of the valve casing (1), an upper valve cover (5) is fixedly connected to the top of the lower valve cover (4), a movable groove (14) is formed in the middle of the bottom of the upper valve cover (5), the middle of the lower valve cover (4) and the middle of the top of the valve casing (1), and a lubricating oil inlet pipe (8) welded with the lower valve cover (4) extends out of one end of the movable groove (14), one end of the lubricating oil inlet pipe (8) is provided with a sealing cover.

2. The regulating valve with the lubrication protection structure is characterized in that the lifting structure comprises a U-shaped lifting plate (13) fixedly connected to the top of the flow stopping plate (11), a threaded hole is formed in the middle position of the top of the U-shaped lifting plate (13), a lead screw (16) is connected to the inner wall of the threaded hole in a threaded mode, and square openings (18) are formed in the bottoms of two sides of the U-shaped lifting plate (13).

3. The regulating valve with the lubricating protection structure is characterized in that an annular filling groove (15) is formed between the inside of the upper valve cover (5) and the top of the movable groove (14), the top of the lead screw (16) is inserted into the annular filling groove (15), a through hole is formed in the middle of the top of the annular filling groove (15), a rotating shaft (7) penetrating through the through hole is welded to the top of the lead screw (16), and a rotating handle (6) is welded to the top of the rotating shaft (7).

4. The regulating valve with the lubrication protection structure is characterized in that the outer wall of the rotating shaft (7) is connected with the inner wall of the through hole through a bearing, a sealing plug (17) is bonded to the bottom of the through hole, and the sealing plug (17) is sleeved on the outer wall of the rotating shaft (7).

5. The regulating valve with the lubricating protection structure is characterized in that a sealing strip (12) is bonded around the top of the flow stopping plate (11), and the periphery of the sealing strip (12) and the periphery of the flow stopping plate (11) are tightly attached to the peripheral inner wall of the cavity (10).

6. A regulating valve with a lubrication protection structure according to claim 5, characterized in that the valve casing (1) is provided with a flow port at both ends, a conduit (2) is welded at one side of the flow port, and a flange (3) is welded at one end of the conduit (2).

7. A control valve with lubrication protection according to claim 5, characterized in that the top of the lower valve cover (4) and the bottom of the upper valve cover (5) are provided with annular grooves (21), the cross section of each annular groove (21) is a semicircular structure, and the inner walls of the two annular grooves (21) are attached with sealing rings (20).