CN213017751U - Elastic spherical hard-sealing all-welded butterfly valve - Google Patents
Elastic spherical hard-sealing all-welded butterfly valve Download PDFInfo
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- CN213017751U CN213017751U CN202021068912.XU CN202021068912U CN213017751U CN 213017751 U CN213017751 U CN 213017751U CN 202021068912 U CN202021068912 U CN 202021068912U CN 213017751 U CN213017751 U CN 213017751U
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 238000012856 packing Methods 0.000 claims description 24
- 210000004907 gland Anatomy 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- -1 steam Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides an elasticity sphere hard seal all-welded butterfly valve belongs to the valve and makes technical field, include valve body main part, valve shaft, end cover, to ring, cylindric lock, valve plate subassembly, support and turbine executor, valve shaft and the coaxial from inside to outside setting of valve body main part, the lower extreme in the valve body main part is fixed to the end cover, and the mid portion of end cover upper end has the arch, fix at bellied upper surface to the ring, the top in the valve body main part is fixed to the support, the valve plate subassembly includes valve plate, clamp plate, valve plate sealing washer and clamp plate screw, turbine executor fixes the upper surface at the support. The utility model discloses simple structure, installation and easy maintenance, it is sealed effectual when the valve plate is closed.
Description
Technical Field
The utility model belongs to the technical field of the valve is made, a elasticity sphere seals full weld butterfly valve firmly is related to.
Background
A hard sealing butterfly valve, also called a flap valve, is a regulating valve with simple structure, is used on pipelines for conveying various corrosive and non-corrosive fluid media in a producer, gas, steam, natural gas, urban gas, cold and hot air, chemical smelting engineering and power generation environmental protection systems, and is used for regulating and cutting off the flow of the media. The hard sealing butterfly valve mainly plays the roles of cutting off and throttling on the pipeline. 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 existing butterfly valve has the disadvantages of complex structure, inconvenient installation and maintenance and poor sealing effect when the valve plate is closed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that solves is elasticity sphere hard seal all-welded butterfly valve belongs to valve manufacturing technical field, simple structure, installation and easy maintenance, and sealed effectual when the valve plate is closed has broken away from the multi-level sealed technology complexity of traditional sealing washer, adopts the spherical seal, and simple structure is compact, and sealed effectual and simple to operate, sealing contact is sealed by the line contact replacement face and is sealed, opens and close moment little, and sealing performance is good.
In order to solve the technical problem, the utility model discloses a technical scheme is: an elastic spherical hard-sealing all-welded butterfly valve belongs to the technical field of valve manufacturing and comprises a valve body main body, a valve shaft, an end cover, a split ring, a cylindrical pin, a valve plate assembly, a bracket and a turbine actuator, the valve shaft and the valve body are coaxially arranged from inside to outside, the end cover is fixed at the lower end of the valve body, a bulge is arranged at the middle part of the upper end of the end cover, the split rings are fixed on the upper surfaces of the bulges, the bracket is fixed on the top of the valve body main body, the valve plate assembly comprises a valve plate, a pressure plate, a valve plate sealing ring and a pressure plate screw, the side surfaces of the valve shaft and the valve plate are provided with round holes, the cylindrical pin penetrates through the round hole to fix the valve shaft and the valve plate together, the pressure plate screw penetrates through the pressure plate to fix the pressure plate on the side surface of the valve plate, the outer rings of the valve plate and the pressure plate are provided with grooves, the valve plate sealing ring is embedded in the groove, and the turbine actuator is fixed on the upper surface of the support.
Further, the longitudinal section of the valve plate sealing ring is circular.
Further, the valve body main body is of an all-welded structure.
Further, the packing gland is T-shaped.
The valve further comprises a first bearing, a second bearing, a first packing, a second packing and a packing gland, wherein the first packing is filled in a gap between the valve body main body on the upper surface of the split ring and the lower end of the valve shaft, the first bearing is arranged at the upper end of the upper surface of the first packing and fixed on the side surface of the valve shaft, the second bearing is arranged in a gap between the valve body main body and the upper end of the valve shaft and fixed on the side surface of the valve shaft, the second packing is filled in a gap between the upper surfaces of the second bearings, and the packing gland is fixed in a gap between the upper surfaces of the second packing.
Further, still include the valve body sealing washer, the valve body sealing washer is fixed on the inner wall of valve body main part, and the longitudinal section of valve body sealing washer is right trapezoid, and the internal diameter of valve body sealing washer is turned right from a left side and is evenly reduced.
Compared with the prior art, the utility model has the advantages and positive effect as follows:
1. the utility model discloses simple structure, installation and easy maintenance, it is sealed effectual when the valve plate is closed.
2. The utility model discloses a valve plate sealing washer's longitudinal section is circular, has broken away from the multi-level sealed technology complexity of traditional sealing washer, adopt the spherical seal, simple structure is compact, sealed effectual and simple to operate, sealed contact is sealed by the sealed replacement face of line contact, it is little to open and close moment, sealing performance is good, the valve plate sealing washer uses the elasticity material, it is convenient rapid to open and close, the regulation performance is good, medium fluid is the sphere when passing through the sealing face, the very big area of contact that has reduced the resistance, the effective flow area of disk seat passageway is great, therefore the fluid resistance is less.
3. The utility model discloses a valve body main part is the all welded structure, and bulk strength is big.
4. The utility model discloses a valve body sealing washer is fixed on the inner wall of valve body main part, and the longitudinal section of valve body sealing washer is right trapezoid, and turning right from a left side and evenly reducing the internal diameter of valve body sealing washer, it is sealed effectual.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic view of an elastic spherical surface hard seal all-welded butterfly valve of the present invention;
FIG. 2 is a side view of the elastic spherical hard seal all-welded butterfly valve of the present invention;
fig. 3 is an enlarged view of the a part of the elastic spherical hard seal all-welded butterfly valve of the present invention.
Reference numerals:
1. a valve body main body; 2. a valve shaft; 3. an end cap; 4. a protrusion; 5. opening the ring; 6. a cylindrical pin; 7. a valve plate assembly; 8. A first bearing; 9. a second bearing; 10. a first filler; 11. a second filler; 12. a packing gland; 13. a support; 14. A turbine actuator; 15. a valve body sealing ring; 71. a valve plate; 72. pressing a plate; 73. a valve plate seal ring; 74. and a pressure plate screw.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 by those of ordinary skill in the art through specific situations.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model relates to an elastic spherical hard-sealing all-welded butterfly valve, which belongs to the technical field of valve manufacturing, and comprises a valve body main body 1, a valve shaft 2, an end cover 3, a split ring 5, a cylindrical pin 6, a valve plate component 7, a bracket 13 and a turbine actuator 14, wherein the valve shaft 2 and the valve body main body 1 are coaxially arranged from inside to outside, the end cover 3 is fixed at the lower end of the valve body main body 1, a bulge 4 is arranged at the middle part of the upper end of the end cover 3, the split ring 5 is fixed on the upper surface of the bulge 4, the bracket 13 is fixed at the top of the valve body main body 1, the valve plate component 7 comprises a valve plate 71, a pressure plate 72, a valve plate sealing ring 73 and a pressure plate screw 74, round holes are arranged at the side surfaces of the valve shaft 2 and the valve plate 71, the cylindrical pin 6 passes through the, the valve plate seal ring 73 is embedded in the groove, and the turbine actuator 14 is fixed on the upper surface of the bracket 13.
Preferably, the longitudinal section of the valve plate sealing ring 73 is circular, the process complexity of multi-layer sealing of a traditional sealing ring is eliminated, the valve plate sealing ring is sealed by a spherical surface, the structure is simple and compact, the sealing effect is good, the installation is convenient, the sealing contact is realized by replacing surface sealing with line contact sealing, the opening and closing torque is small, the sealing performance is good, the valve plate sealing ring 73 is made of elastic materials, the opening and closing are convenient and rapid, the adjusting performance is good, the medium fluid is spherical when passing through the valve plate sealing ring 73, the contact area of resistance is greatly reduced, the effective circulation area of a valve seat channel is large, and therefore.
Preferably, the valve body 1 is an all-welded structure, and the overall strength is high.
Preferably, the gland 12 is T-shaped for ease of use.
Preferably, a first packing 10 is filled in a gap between the upper surface of the split ring 5 and the lower ends of the valve body 1 and the valve shaft 2, a first bearing 8 is arranged at the upper end of the upper surface of the first packing 10 and fixed at the side of the valve shaft 2, a second bearing 9 is arranged in a gap between the upper ends of the valve body 1 and the valve shaft 2 and fixed at the side of the valve shaft 2, a second packing 11 is filled in a gap between the upper surfaces of the second bearings 9, and a packing gland 12 is fixed in a gap between the upper surfaces of the second packing 11.
Preferably, the valve body sealing ring 15 is fixed on the inner wall of the valve body main body 1, the longitudinal section of the valve body sealing ring 15 is in a right trapezoid shape, the inner diameter of the valve body sealing ring 15 is uniformly reduced from left to right, and the sealing effect is good.
In the actual working process, the butterfly valve is in a closed state in the initial state, the turbine actuator 14 is started, the valve plate assembly 7 is opened, the turbine actuator 14 controls the opening angle of the valve plate assembly 7 to be 0-90 degrees, resistance is small when media flow through the valve plate sealing ring 73, when the butterfly valve needs to be closed, the turbine actuator 14 is started, the valve plate sealing ring 73 is in contact with the valve body sealing ring 15, and the butterfly valve is closed.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. Elasticity sphere seals full weld butterfly valve firmly, its characterized in that: the valve plate assembly comprises a valve body main body (1), a valve shaft (2), an end cover (3), a split ring (5), a cylindrical pin (6), a valve plate assembly (7), a support (13) and a turbine actuator (14), wherein the valve shaft (2) and the valve body main body (1) are coaxially arranged from inside to outside, the end cover (3) is fixed at the lower end of the valve body main body (1), a bulge (4) is arranged at the middle part of the upper end of the end cover (3), the split ring (5) is fixed on the upper surface of the bulge (4), the support (13) is fixed at the top of the valve body main body (1), the valve plate assembly (7) comprises a valve plate (71), a pressure plate (72), a valve plate sealing ring (73) and a pressure plate screw (74), round holes are formed in the side surfaces of the valve shaft (2) and the valve plate (71), the cylindrical pin (6) penetrates through the round holes to fix the valve shaft (, the pressure plate (72) is fixed on the side face of the valve plate (71), grooves are formed in the outer rings of the valve plate (71) and the pressure plate (72), the valve plate sealing ring (73) is embedded in the grooves, and the turbine actuator (14) is fixed on the upper surface of the support (13).
2. The elastic spherical hard-seal all-welded butterfly valve according to claim 1, wherein: the longitudinal section of the valve plate sealing ring (73) is circular.
3. The elastic spherical hard-seal all-welded butterfly valve according to claim 1, wherein: the valve body main body (1) is of an all-welded structure.
4. The resilient spherical hard-seal all-welded butterfly valve of any one of claims 1 to 3, wherein: the valve body is characterized by further comprising a first bearing (8), a second bearing (9), a first packing (10), a second packing (11) and a packing gland (12), wherein the first packing (10) is filled in a gap between the lower ends of the valve body main body (1) and the valve shaft (2) on the upper surface of the split ring (5), the first bearing (8) is arranged at the upper end of the upper surface of the first packing (10) and fixed on the side surface of the valve shaft (2), the second bearing (9) is arranged in a gap between the upper ends of the valve body main body (1) and the valve shaft (2) and fixed on the side surface of the valve shaft (2), the second packing (11) is filled in a gap between the upper surfaces of the second bearing (9), and the packing gland (12) is fixed in a gap between the upper surfaces of the second packing (11).
5. The resilient spherical hard-seal all-welded butterfly valve of any one of claims 1 to 3, wherein: still include valve body sealing washer (15), valve body sealing washer (15) are fixed on the inner wall of valve body main part (1), and the longitudinal section of valve body sealing washer (15) is right trapezoid, and the internal diameter of valve body sealing washer (15) is turned right from a left side and is evenly reduced.
6. The resilient spherical hard-seal all-welded butterfly valve of claim 4, wherein: the packing gland (12) is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021068912.XU CN213017751U (en) | 2020-06-11 | 2020-06-11 | Elastic spherical hard-sealing all-welded butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021068912.XU CN213017751U (en) | 2020-06-11 | 2020-06-11 | Elastic spherical hard-sealing all-welded butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017751U true CN213017751U (en) | 2021-04-20 |
Family
ID=75493893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021068912.XU Active CN213017751U (en) | 2020-06-11 | 2020-06-11 | Elastic spherical hard-sealing all-welded butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017751U (en) |
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2020
- 2020-06-11 CN CN202021068912.XU patent/CN213017751U/en active Active
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