CN218000429U

CN218000429U - Pressure regulating butterfly valve with high performance and low resistance

Info

Publication number: CN218000429U
Application number: CN202221312437.5U
Authority: CN
Inventors: 陈英镇; 杨支援; 玉金贵
Original assignee: Jiangsu Yuanyang Valve Ltd By Share Ltd
Current assignee: Jiangsu Yuanyang Valve Ltd By Share Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-12-09
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a pressure regulating butterfly valve with low resistance of high performance relates to valve technical field, specifically is the pressure regulating butterfly valve with low resistance of high performance, which comprises a valve body, the inside of valve body is provided with the valve plate, the middle part fixedly connected with axle sleeve of valve plate, the first sealing member of inside fixedly connected with and the second sealing member of valve body, the inside fixed mounting of first sealing member has pressure spring, the sealing strip has been cup jointed in the inside activity of first sealing member. This pressure adjustment butterfly valve with high performance low resistance through designing the valve plate into the thin middle thick structure in edge, and the valve plate is from the edge to the even bodiness in middle part, can reduce the vortex that produces when fluid passes through the valve plate to reduce the resistance to the fluid, through designing the cross-section of axle sleeve into fusiformis structure, the axle sleeve is from the edge to the middle part thickening gradually, avoids the valve plate to violently warp, makes the fluid steadily flow, reduces the resistance of axle sleeve to the fluid.

Description

Pressure regulating butterfly valve with high performance and low resistance

Technical Field

The utility model relates to the technical field of valves, specifically be pressure regulating butterfly valve with low resistance of high performance.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and 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 pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The valve plate thickness of current butterfly valve is straight, because the middle part of valve plate is provided with the valve shaft, the valve plate must possess great thickness, because the valve plate is thicker, and there is thickening deformation in the middle part, and when the fluid passes through, the thickness of valve plate arouses the fluid vortex easily to make the fluid possess great resistance, reduce fluidic velocity of flow, for this we provide the pressure regulation butterfly valve that has high performance low resistance.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a pressure regulating butterfly valve with low resistance of high performance has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: pressure regulation butterfly valve with high performance hangs down resistance, including the valve body, the inside of valve body is provided with the valve plate, the middle part fixedly connected with axle sleeve of valve plate, the first sealing member of inside fixedly connected with and the second sealing member of valve body, the inside fixed mounting of first sealing member has pressure spring, the sealing strip has been cup jointed in the inside activity of first sealing member, pressure spring fixed connection is in the left side of sealing strip.

Optionally, the valve plate is thickened gradually from the edge to the middle, and the valve plate is of a bilateral symmetry structure.

Optionally, the cross section of the shaft sleeve is shuttle-shaped, the shaft sleeve is gradually thickened from the edge to the middle, and a shaft hole is formed in the middle of the shaft sleeve.

Optionally, a valve shaft is movably sleeved inside the valve body, and the valve shaft is fixedly sleeved inside the shaft hole.

Optionally, the first sealing element is arc-shaped in structure, and the first sealing element is located at the front end of the valve plate.

Optionally, a second sealing element is fixedly mounted inside the valve body, the second sealing element and the first sealing element have the same structure, and the first sealing element and the second sealing element are symmetrically distributed around the center of the valve shaft.

The utility model provides a pressure adjustment butterfly valve with low resistance of high performance possesses following beneficial effect:

1. this pressure adjustment butterfly valve with high performance low resistance through designing the valve plate into the thin middle thick structure in edge, and the valve plate is from the edge to the even bodiness in middle part, can reduce the vortex that produces when fluid passes through the valve plate to reduce the resistance to the fluid, through designing the cross-section of axle sleeve into fusiformis structure, the axle sleeve is from the edge to the middle part thickening gradually, avoids the valve plate to violently warp, makes the fluid steadily flow, reduces the resistance of axle sleeve to the fluid.

2. This pressure adjustment butterfly valve with high performance hangs down resistance through setting up first sealing member and second sealing member, utilizes pressure spring to give the outside thrust of sealing strip, can make the sealing strip compress tightly in the outside of valve plate, has improved the sealed effect when the valve plate is closed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the valve plate of the present invention;

FIG. 3 is a schematic view of the valve plate of the present invention;

fig. 4 is a schematic structural view of the valve body of the present invention;

fig. 5 is a schematic structural diagram of a first sealing member according to the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. a shaft sleeve; 4. a shaft hole; 5. a valve shaft; 6. a first seal member; 7. a second seal member; 8. a compression spring; 9. a sealing strip.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: pressure adjustment butterfly valve with low resistance of high performance, including valve body 1, the inside of valve body 1 is provided with valve plate 2, valve plate 2 from edge to middle part thickening gradually, through designing into the thin middle thick structure in edge with valve plate 2, can reduce the vortex that produces when the fluid passes through the valve plate, thereby reduce the resistance to the fluid, valve plate 2 is bilateral symmetry structure, the middle part fixedly connected with axle sleeve 3 of valve plate 2, the cross-section of axle sleeve 3 is the fusiformis, axle sleeve 3 is from edge to middle part thickening gradually, through designing into the fusiformis structure with the cross-section of axle sleeve 3, axle sleeve 3 is from edge to middle part thickening gradually, avoid the valve plate acutely to warp, make the fluid steadily flow, reduce the resistance to the fluid of axle sleeve 3.

Referring to fig. 2 to 4, a shaft hole 4 is formed in the middle of the shaft sleeve 3, a valve shaft 5 is movably sleeved inside the valve body 1, the valve shaft 5 is fixedly sleeved inside the shaft hole 4, the valve shaft 5 is arranged, the valve shaft 5 is used for driving the valve plate 2 to rotate, the valve plate 2 is convenient to turn, a first sealing element 6 and a second sealing element 7 are fixedly connected inside the valve body 1, the first sealing element 6 is arc-shaped, and the first sealing element 6 is located at the front end of the valve plate 2.

Referring to fig. 5, a second sealing member 7 is fixedly mounted inside the valve body 1, the second sealing member 7 has the same structure as the first sealing member 6, the first sealing member 6 and the second sealing member 7 are disposed on the front side and the rear side of the valve plate 2, and can respectively seal from the front side and the rear side of the valve plate 2, so as to facilitate the rotation of the valve plate 2, the first sealing member 6 and the second sealing member 7 are symmetrically distributed about the center of the valve shaft 5, a compression spring 8 is fixedly mounted inside the first sealing member 6, a sealing strip 9 is movably sleeved inside the first sealing member 6, an outward thrust is provided to the sealing strip 9 through the compression spring 8, so that the sealing strip 9 can be compressed outside the valve plate 2, the sealing effect when the valve plate 2 is closed is improved, and the compression spring 8 is fixedly connected to the left side of the sealing strip 9.

In conclusion, when the pressure regulating butterfly valve with high performance and low resistance is used, the valve plate 2 is uniformly thickened from the edge to the middle, the cross section of the shaft sleeve 3 is designed into a shuttle-shaped structure, the shaft sleeve 3 is gradually thickened from the edge to the middle, and the vortex generated when fluid passes through the valve plate can be reduced, so that the resistance to the fluid is reduced, when the valve plate 2 is closed, the sealing strip 9 is pushed to move outwards by the pressing spring 8, the sealing strip 9 can be pressed on the surface of the valve plate 2, and the sealing performance of the valve plate 2 is improved.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. 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 various 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. Pressure regulation butterfly valve with high performance hangs down resistance, including valve body (1), its characterized in that: the inside of valve body (1) is provided with valve plate (2), middle part fixedly connected with axle sleeve (3) of valve plate (2), the inside fixedly connected with first sealing member (6) and second sealing member (7) of valve body (1), the inside fixed mounting of first sealing member (6) has pressure spring (8), sealing strip (9) have been cup jointed in the inside activity of first sealing member (6), pressure spring (8) fixed connection is in the left side of sealing strip (9).

2. The pressure regulating butterfly valve with high performance and low resistance of claim 1, wherein: the valve plate (2) is gradually thickened from the edge to the middle, and the valve plate (2) is of a bilateral symmetry structure.

3. The pressure regulating butterfly valve with high performance and low resistance of claim 1, wherein: the cross section of the shaft sleeve (3) is in a shuttle shape, the shaft sleeve (3) is thickened gradually from the edge to the middle, and a shaft hole (4) is formed in the middle of the shaft sleeve (3).

4. The pressure regulating butterfly valve with high performance and low resistance of claim 1, wherein: the valve is characterized in that a valve shaft (5) is movably sleeved in the valve body (1), and the valve shaft (5) is fixedly sleeved in the shaft hole (4).

5. The pressure regulating butterfly valve with high performance and low resistance of claim 1, wherein: the structure of the first sealing element (6) is arc-shaped, and the first sealing element (6) is positioned at the front end of the valve plate (2).

6. The pressure regulating butterfly valve with high performance and low resistance of claim 1, wherein: a second sealing element (7) is fixedly mounted inside the valve body (1), the second sealing element (7) and the first sealing element (6) are identical in structure, and the first sealing element (6) and the second sealing element (7) are distributed in a central symmetry mode about the valve shaft (5).