CN111089178B - Electric butterfly valve for inlet - Google Patents
Electric butterfly valve for inlet Download PDFInfo
- Publication number
- CN111089178B CN111089178B CN201911407820.1A CN201911407820A CN111089178B CN 111089178 B CN111089178 B CN 111089178B CN 201911407820 A CN201911407820 A CN 201911407820A CN 111089178 B CN111089178 B CN 111089178B
- Authority
- CN
- China
- Prior art keywords
- butterfly valve
- sealing ring
- elastic sealing
- filtering structure
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000005489 elastic deformation Effects 0.000 claims description 6
- 229920001973 fluoroelastomer Polymers 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The invention belongs to the field of valves, in particular to an inlet electric butterfly valve, which comprises a butterfly valve shell, wherein screws are arranged on two sides of the butterfly valve shell, a U-shaped handle is connected to the bottom of the butterfly valve shell, so that the device is easy to move and install, a motor driving mechanism is arranged above the butterfly valve shell, the motor driving mechanism is connected with a valve shaft, the valve shaft is fixedly connected with a butterfly valve plate through a limit screw and a limit groove, the structure can replace an elastic sealing ring I which is easy to damage, the use cost is reduced, the elastic sealing ring I is arranged outside the butterfly valve plate, the elastic sealing ring I is connected with a ceramic sealing ring, the bonding force between the elastic sealing ring III and the ceramic sealing ring can be increased, the sealing performance of a filtering structure is improved, the filtering structure is arranged on the side surface of the ceramic sealing ring, and comprises an elastic sealing ring II, an elastic sealing ring III and a filter screen, so that the abrasion of sealing pieces inside the butterfly valve shell can be effectively reduced, and the service life of the butterfly valve is prolonged.
Description
Technical Field
The invention belongs to the field of valves, and particularly relates to an inlet electric butterfly valve.
Background
With the development of the electric valve, a plurality of well-known valve enterprises at home and abroad produce the electric valve, and the electric butterfly valve is an important execution unit in the field of industrial automation control, belongs to one variety of the electric valve and the electric regulating valve, and is widely used in the fields of textile, power stations, petrochemical industry, heating and refrigerating, pharmacy, shipbuilding, metallurgy, light industry, environmental protection and the like. The complete manual control device and the electric or pneumatic transmission device can meet specific conditions of different working conditions, meet the strictest quality requirements, can be applied for a very long time, and particularly has very high awareness in metallurgical steel and ship industries.
The electric butterfly valve is convenient and quick to open and close, saves labor, has small fluid resistance, can be operated frequently, has a simple structure, small volume and light weight, can transport slurry, stores liquid at a pipeline port least, can realize good sealing under low pressure, and has good regulation performance.
The valve plate and the valve body of the existing butterfly valve are often connected through the valve seat and the pressing ring, the pressing ring is made of rubber, is adhered to the outer surface of the valve seat, and is easy to move in the use process, so that the sealing performance of the whole butterfly valve is poor, the service life of the butterfly valve is shortened, meanwhile, due to the fact that impurities such as silt are often carried in a pipeline, abrasion is caused to the valve body and sealing elements of the valve body in long-term use, and the image sealing performance is improved.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides an inlet electric butterfly valve which has the characteristics of simple and convenient use and long service life.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an entry electric butterfly valve, includes the butterfly valve casing, the screw is installed to the both sides of butterfly valve casing, the bottom of butterfly valve casing is connected with the U type handle, motor drive mechanism is installed to the top of butterfly valve casing, motor drive mechanism rotates and is connected with the valve shaft, the valve shaft passes through spacing screw and spacing groove fixedly connected with butterfly valve plate, elastic sealing circle one is installed to the outside of butterfly valve plate, elastic sealing circle one is connected with ceramic sealing circle, filtration installs the side at ceramic sealing circle, filtration is including elastic sealing circle two, elastic sealing circle three, filter screen.
Preferably, the U-shaped handle is of a U-shaped structure; the U-shaped handle is arranged at the bottom of the butterfly valve shell, so that the installation and movement of the device can be easy and labor-saving.
Preferably, the outer wall of the elastic sealing ring I is fixedly connected with the inner wall of the butterfly valve shell; the elastic sealing ring is provided with compressibility, generates slight elastic deformation under the action of extrusion force, increases the fitting force with the inner wall of the butterfly valve shell, and further improves the tightness of the device.
Preferably, the elastic sealing ring I is a fluororubber ring; the butterfly valve plate can be detached from the valve shaft, and then the elastic sealing ring I is replaced.
Preferably, the elastic sealing ring III is a fluororubber ring and is arranged on one bottom surface of the filtering structure; the elastic sealing ring III can generate slight elastic deformation under the pressure force generated by the flowing of liquid in the pipeline, so that the attaching force of the elastic sealing ring III and the ceramic sealing ring is increased, and the tightness of the filtering structure is further improved.
Preferably, the two elastic sealing rings are respectively arranged at two ends of the curved surface of the filtering structure, and the outer diameter of the elastic sealing rings is slightly larger than the inner diameter of a pipeline connected with the device by 1-2 mm; the second elastic sealing ring can improve the tightness of the filtering structure.
Preferably, the filter screen is arranged on the other bottom surface of the filter structure, and the diameter of the filter screen is the same as that of the bottom surface of the filter structure; through set up the filter screen on the another bottom surface of filtration, can filter the impurity in the pipeline under the prerequisite that does not influence this device switch to use, effectively reduce the wearing and tearing of each sealing member of butterfly valve casing inside, promoted the life of this device.
Compared with the prior art, the invention has the beneficial effects that: through being provided with U type handle, make this device easily remove and install, can change the elastic sealing washer one that easily damage, reduced use cost, filtration filters the impurity in the pipeline, has promoted the life of this device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a front view of the present invention in a closed position;
FIG. 2 is a rear view of the invention in an open state;
FIG. 3 is a schematic view of a filter structure according to the present invention;
In the figure: 1. butterfly valve shell; 2. a screw; 3. an elastic sealing ring I; 4. a butterfly valve plate; 5. a valve shaft; 6. a limit screw; 7. a limit groove; 8. a U-shaped handle; 9. a motor driving structure; 10. a ceramic seal ring; 11. a filtering structure; 110. an elastic sealing ring II; 111. an elastic sealing ring III; 112. and (3) a filter screen.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an entry electric butterfly valve, includes butterfly valve casing 1, screw 2 is installed to butterfly valve casing 1's both sides, butterfly valve casing 1's bottom is connected with U type handle 8, motor drive mechanism 9 is installed to butterfly valve casing 1's top, motor drive mechanism 9 rotates and is connected with valve shaft 5, valve shaft 5 passes through spacing screw 6 and spacing groove 7 fixedly connected with butterfly valve board 4, elastic sealing circle one 3 is installed to butterfly valve board 4's outside, elastic sealing circle one 3 is connected with ceramic sealing circle 10, filtration 11 installs the side at ceramic sealing circle 10, filtration 11 is including elastic sealing circle two 110, elastic sealing circle three 111, filter screen 112.
Specifically, the U-shaped handle 8 has a U-shaped structure; by installing the U-shaped handle 8 at the bottom of the butterfly valve housing 1, the installation movement of the device can be made easy and labor-saving.
Specifically, the outer wall of the elastic sealing ring I3 is fixedly connected with the inner wall of the butterfly valve shell 1; the first elastic sealing ring 3 has compressibility, generates slight elastic deformation under the action of extrusion force, increases the laminating force with the inner wall of the butterfly valve shell 1, and further improves the tightness of the device.
Specifically, the elastic sealing ring I3 is a fluororubber ring; the butterfly valve plate 4 can be detached from the valve shaft 5, and then the elastic sealing ring I3 is replaced.
Specifically, the elastic sealing ring III 111 is a fluororubber ring and is installed on one bottom surface of the filtering structure 11; the third elastic sealing ring 111 can generate slight elastic deformation under the pressure force generated by the flowing of the liquid in the pipeline, so that the attaching force with the ceramic sealing ring 10 is increased, and the tightness of the filtering structure 11 is further improved.
Specifically, two elastic sealing rings 110 are respectively installed at two ends of the curved surface of the filtering structure 11, and the outer diameter of the elastic sealing rings 110 is slightly larger than the inner diameter of a pipeline connected with the device by 1-2 mm; the second elastic sealing ring 110 can improve the tightness of the filtering structure 11.
Specifically, the filter screen 112 is mounted on the other bottom surface of the filter structure 11, and the diameter of the filter screen 112 is the same as the diameter of the bottom surface of the filter structure 11; through set up filter screen 112 on the another bottom surface of filtration 11, can filter the impurity in the pipeline under the prerequisite that does not influence this device switch to use, effectively reduce the wearing and tearing of each sealing member of butterfly valve casing 1 inside, promoted the life of this device.
The working principle and the using flow of the invention are as follows: when the butterfly valve is used, the limiting groove 7 is unscrewed, the limiting screw 6 is detached, the butterfly valve plate 4 is taken out from the inside of the butterfly valve shell 1, the elastic sealing ring 3 wrapped outside the butterfly valve plate 4 is replaced, so that the elastic sealing ring 3 is always kept in a newer state, internal leakage of the device is avoided, the bottom surface of the filter structure 11, provided with the filter screen 112, is placed in an inlet pipeline to be connected, one surface of the butterfly valve shell 1, provided with the ceramic sealing ring 10, is fixedly connected with the inlet pipeline, elastic deformation is generated by the elastic sealing ring three 111 under the pressure acting force generated by liquid flowing in the pipeline, the attaching force of the elastic sealing ring three 111 and the ceramic sealing ring 10 is increased, the sealing performance of the filter structure 11 is further improved, the filter screen 112 filters impurities in the pipeline on the premise that the use of the device is not influenced, the abrasion of each sealing piece inside the butterfly valve shell 1 is effectively reduced, and the service life of the device is prolonged.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention 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 invention 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 invention should be included in the protection scope of the present invention.
Claims (5)
1. An inlet electric butterfly valve, characterized in that: the butterfly valve comprises a butterfly valve shell (1), screws (2) are arranged on two sides of the butterfly valve shell (1), a U-shaped handle (8) is connected to the bottom of the butterfly valve shell (1), a motor driving mechanism (9) is arranged above the butterfly valve shell (1), a valve shaft (5) is rotatably connected to the motor driving mechanism (9), a butterfly valve plate (4) is fixedly connected to the valve shaft (5) through a limit screw (6) and a limit groove (7), an elastic sealing ring I (3) is arranged on the outer edge of the butterfly valve plate (4), a ceramic sealing ring (10) is connected to the elastic sealing ring I (3), a filtering structure (11) is arranged on the side face of the ceramic sealing ring (10), and the filtering structure (11) comprises an elastic sealing ring II (110), an elastic sealing ring III (111) and a filter screen (112);
the outer wall of the ceramic sealing ring (10) is fixedly connected with the inner wall of the butterfly valve shell (1);
the elastic sealing ring III (111) is a fluororubber ring and is arranged on one bottom surface of the filtering structure (11);
The elastic sealing ring III (111) can generate slight elastic deformation under the action of pressure force generated by liquid flowing in the pipeline, so that the attaching force of the elastic sealing ring III and the ceramic sealing ring (10) is increased, and the tightness of the filtering structure (11) is further improved.
2. An inlet electric butterfly valve according to claim 1, wherein: the U-shaped handle (8) is of a U-shaped structure.
3. An inlet electric butterfly valve according to claim 1, wherein: the elastic sealing ring I (3) is a fluororubber ring.
4. An inlet electric butterfly valve according to claim 1, wherein: the two elastic sealing rings (110) are respectively arranged at two ends of the curved surface of the filtering structure (11), and the outer diameter of the elastic sealing rings (110) is slightly larger than the inner diameter of a pipeline connected with the electric butterfly valve at the inlet by 1-2 mm.
5. An inlet electric butterfly valve according to claim 1, wherein: the filter screen (112) is arranged on the other bottom surface of the filter structure (11), and the diameter of the filter screen (112) is the same as that of the bottom surface of the filter structure (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911407820.1A CN111089178B (en) | 2019-12-31 | 2019-12-31 | Electric butterfly valve for inlet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911407820.1A CN111089178B (en) | 2019-12-31 | 2019-12-31 | Electric butterfly valve for inlet |
Publications (2)
Publication Number | Publication Date |
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CN111089178A CN111089178A (en) | 2020-05-01 |
CN111089178B true CN111089178B (en) | 2024-06-11 |
Family
ID=70398587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911407820.1A Active CN111089178B (en) | 2019-12-31 | 2019-12-31 | Electric butterfly valve for inlet |
Country Status (1)
Country | Link |
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CN (1) | CN111089178B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111875021A (en) * | 2020-08-17 | 2020-11-03 | 江西省科学院能源研究所 | Backflow dosing device and sewage treatment reaction tank |
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JP2009041696A (en) * | 2007-08-10 | 2009-02-26 | Osaka Gas Co Ltd | Valve device |
CN102808957A (en) * | 2012-08-20 | 2012-12-05 | 中阀科技(长沙)阀门有限公司 | Butterfly valve |
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2019
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