CN111089178A - Inlet electric butterfly valve - Google Patents

Inlet electric butterfly valve Download PDF

Info

Publication number
CN111089178A
CN111089178A CN201911407820.1A CN201911407820A CN111089178A CN 111089178 A CN111089178 A CN 111089178A CN 201911407820 A CN201911407820 A CN 201911407820A CN 111089178 A CN111089178 A CN 111089178A
Authority
CN
China
Prior art keywords
butterfly valve
sealing ring
elastic
elastic sealing
inlet electric
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.)
Pending
Application number
CN201911407820.1A
Other languages
Chinese (zh)
Inventor
夏文龙
华秀明
梅玲
张舟
熊春林
刘醒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu High And Medium Pressure Valve Co ltd
Original Assignee
Jiangsu High And Medium Pressure Valve Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu High And Medium Pressure Valve Co ltd filed Critical Jiangsu High And Medium Pressure Valve Co ltd
Priority to CN201911407820.1A priority Critical patent/CN111089178A/en
Publication of CN111089178A publication Critical patent/CN111089178A/en
Pending legal-status Critical Current

Links

Images

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

Abstract

The invention belongs to the field of valves, and particularly relates 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 limiting screw and a limiting groove, the butterfly valve plate can replace a first elastic sealing ring which is easy to damage, the use cost is reduced, a first elastic sealing ring is arranged outside the butterfly valve plate, a ceramic sealing ring is connected to the first elastic sealing ring, a third elastic sealing ring can increase the bonding force with the ceramic sealing ring, the sealing performance of a filtering structure is improved, the filtering structure is arranged on the side surface of the ceramic sealing ring, and, Elastic seal ring III, filter screen can effectively reduce the wearing and tearing of each inside sealing member of butterfly valve casing, promote life.

Description

Inlet electric butterfly valve
Technical Field
The invention belongs to the field of valves, and particularly relates to an inlet electric butterfly valve.
Background
With the development of electric valves, a plurality of well-known valve enterprises at home and abroad produce the electric valves, an electric butterfly valve is an important execution unit in the field of industrial automatic control, belongs to one variety of the electric valves and electric regulating valves, is widely applied to the fields of textile, power stations, petrochemical industry, heat supply and refrigeration, pharmacy, shipbuilding, metallurgy, light industry, environmental protection and the like, and can be used as a cut-off valve, a control valve and a check valve of a pipeline system. 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, and can be applied very durably, and particularly have very high popularity in the metallurgical steel and ship industries.
The electric butterfly valve is convenient and rapid to open and close, labor-saving, small in fluid resistance, capable of being operated frequently, simple in structure, small in size, light in weight, capable of conveying slurry, capable of storing liquid at the opening of a pipeline at the minimum, capable of achieving good sealing under low pressure and good in adjusting performance.
The valve plate and the valve body of the existing butterfly valve are often connected through two parts, namely a valve seat and a clamping ring, the clamping ring is made of rubber, the clamping ring is bonded on the outer surface of the valve seat, the clamping ring is easy to move in the using process, the sealing performance of the whole butterfly valve is poor, the service life of the butterfly valve is shortened, and meanwhile, due to the fact that impurities such as silt are carried in a pipeline frequently, abrasion and image sealing performance can be caused to the valve body and a sealing element of the valve body in long-term use.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an inlet electric butterfly valve which has the characteristics of simplicity and convenience in use and long service life.
In order to achieve the purpose, the invention provides the following technical scheme: 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 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 seal circle one is installed to the outside of butterfly valve plate, elastic seal circle one is connected with ceramic seal circle, filtration installs the side at ceramic seal circle, filtration includes elastic seal circle two, elastic seal 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 the movement of the device are easy and labor-saving.
Preferably, the outer wall of the first elastic sealing ring is fixedly connected with the inner wall of the butterfly valve shell; the elastic sealing ring I has compressibility and generates slight elastic deformation under the action of extrusion force, so that the attaching force with the inner wall of the butterfly valve shell is increased, and the sealing performance of the device is improved.
Preferably, the first elastic sealing ring 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; elastic seal ring three can produce slight elastic deformation in the pipeline under the pressure effort that liquid flow produced, increase the laminating power with ceramic seal ring, and then promote filtration's leakproofness.
Preferably, two elastic sealing rings are arranged at two ends of the curved surface of the filtering structure respectively, and the outer diameter of each elastic sealing ring 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 sealing performance 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 another bottom surface at filtration, can filter the impurity in the pipeline under the prerequisite that does not influence this device switch and 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 seal circle one of easy damage, reduced use cost, filtration filters the impurity in the pipeline, has promoted the life of this device.
Drawings
The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the closed state of the present invention;
FIG. 2 is a rear view of the open position of the present invention;
FIG. 3 is a schematic view of the structure of the filter structure of the present invention;
in the figure: 1. a butterfly valve housing; 2. a screw; 3. a first elastic sealing ring; 4. a butterfly valve plate; 5. a valve shaft; 6. a limiting screw; 7. a limiting groove; 8. a U-shaped handle; 9. a motor drive structure; 10. a ceramic seal ring; 11. a filter structure; 110. a second elastic sealing ring; 111. an elastic sealing ring III; 112. and (4) a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present 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 actuating mechanism 9 is installed to butterfly valve casing 1's top, motor actuating mechanism 9 rotates and is connected with valve shaft 5, valve shaft 5 is through spacing screw 6 and 7 fixedly connected with butterfly valve plate 4 in spacing groove, elastic seal circle 3 is installed to butterfly valve plate 4's outside, elastic seal circle 3 is connected with ceramic seal circle 10, filtering structure 11 installs the side at ceramic seal circle 10, filtering structure 11 is including elastic seal circle two 110, elastic seal circle three 111, filter screen 112.
Specifically, the U-shaped handle 8 is of a U-shaped structure; the installation and the movement of the device can be easily and labor-saving by installing the U-shaped handle 8 at the bottom of the butterfly valve shell 1.
Specifically, the outer wall of the elastic sealing ring I3 is fixedly connected with the inner wall of the butterfly valve shell 1; elastic seal circle 3 has the compressibility, produces slight elastic deformation under the effect of the extrusion force, increases the laminating power with 1 inner wall of butterfly valve casing, and then hoisting device's leakproofness.
Specifically, the first elastic sealing ring 3 is a fluororubber ring; the butterfly valve plate 4 can be detached from the valve shaft 5, and then the elastic sealing ring 3 is replaced.
Specifically, the third elastic sealing ring 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 acting force generated by liquid flowing in the pipeline, so that the attaching force of the third elastic sealing ring and the ceramic sealing ring 10 is increased, and the sealing performance of the filtering structure 11 is further improved.
Specifically, two elastic sealing rings 110 are arranged at two ends of the curved surface of the filtering structure 11, respectively, and the outer diameter of each elastic sealing ring 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 sealing performance of the filter structure 11.
Specifically, the filter screen 112 is installed 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; through set up filter screen 112 on another bottom surface at filtration 11, can filter the impurity in the pipeline under the prerequisite that does not influence this device switch and use, effectively reduce the wearing and tearing of each inside sealing member of butterfly valve casing 1, promote the life of this device.
The working principle and the using process of the invention are as follows: when the butterfly valve is used, the limiting groove 7 is unscrewed, the limiting screw 6 is removed, the butterfly valve plate 4 is taken out from the interior of the butterfly valve shell 1, the elastic sealing ring I3 wrapped outside the butterfly valve plate 4 is replaced, the elastic sealing ring I3 is always maintained in a newer state, the inner leakage of the butterfly valve is avoided, the bottom surface of the filtering structure 11 provided with the filtering net 112 is placed into an inlet pipeline to be connected, then the side of the butterfly valve shell 1 provided with the ceramic sealing ring 10 is fixedly connected with the inlet pipeline, under the pressure acting force generated by liquid flowing in the pipeline, the elastic sealing ring III 111 generates elastic deformation, the attaching force with the ceramic sealing ring 10 is increased, the sealing performance of the filtering structure 11 is further improved, the filtering net 112 filters impurities in the pipeline on the premise of not influencing the switch use of the butterfly valve, the abrasion of each sealing element in the butterfly valve shell 1 is effectively reduced, the service life of the device is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. An inlet electric butterfly valve, characterized in that: including butterfly valve casing (1), screw (2) are installed to the both sides of butterfly valve casing (1), the bottom of butterfly valve casing (1) is connected with U type handle (8), motor drive mechanism (9) are installed to the top of butterfly valve casing (1), motor drive mechanism (9) rotate and are connected with valve shaft (5), valve shaft (5) are through spacing screw (6) and spacing groove (7) fixedly connected with butterfly valve plate (4), elastic seal circle (3) are installed to the outside of butterfly valve plate (4), elastic seal circle (3) are connected with ceramic seal circle (10), the side at ceramic seal circle (10) is installed in filtration (11), filtration (11) are including elastic seal circle two (110), elastic seal circle three (111), filter screen (112).
2. An inlet electric butterfly valve according to claim 1, characterized in that: the U-shaped handle (8) is of a U-shaped structure.
3. An inlet electric butterfly valve according to claim 1, characterized in that: the outer wall of the elastic sealing ring I (3) is fixedly connected with the inner wall of the butterfly valve shell (1).
4. An inlet electric butterfly valve according to claim 1, characterized in that: the elastic sealing ring I (3) is a fluororubber ring.
5. An inlet electric butterfly valve according to claim 1, characterized in that: the elastic sealing ring III (111) is a fluororubber circular ring and is arranged on one bottom surface of the filtering structure (11).
6. An inlet electric butterfly valve according to claim 1, characterized in that: 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 two elastic sealing rings (110) is slightly larger than the inner diameter of a pipeline connected with the device by 1-2 mm.
7. An inlet electric butterfly valve according to claim 1, characterized in that: 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).
CN201911407820.1A 2019-12-31 2019-12-31 Inlet electric butterfly valve Pending CN111089178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911407820.1A CN111089178A (en) 2019-12-31 2019-12-31 Inlet electric butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911407820.1A CN111089178A (en) 2019-12-31 2019-12-31 Inlet electric butterfly valve

Publications (1)

Publication Number Publication Date
CN111089178A true CN111089178A (en) 2020-05-01

Family

ID=70398587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911407820.1A Pending CN111089178A (en) 2019-12-31 2019-12-31 Inlet electric butterfly valve

Country Status (1)

Country Link
CN (1) CN111089178A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Similar Documents

Publication Publication Date Title
CN111089178A (en) Inlet electric butterfly valve
CN219492716U (en) Anti-blocking structure for water inlet of submersible sewage pump
CN214146637U (en) Electric butterfly valve
CN213744943U (en) Heating furnace gas control valve
CN205136627U (en) Sampling valve
CN208595239U (en) A kind of valve protective device
CN207999518U (en) A kind of natural gas valve with gas leakage automatic protection
CN214367817U (en) Heat supply butterfly valve with large valve plate gap non-uniform balance holes
CN210240574U (en) Butterfly valve for water pipe
CN215568061U (en) Soft seal screw mouth gate valve
CN2738052Y (en) Fixed ball valve
CN211786783U (en) Anti-blocking high-pressure flow controller
CN217153005U (en) Water leakage prevention valve
CN210600212U (en) Slow-opening and slow-closing check valve
CN219774912U (en) Gas pressure reducing valve with filtering component
CN2360693Y (en) Special control valve for combustible gas
CN213712080U (en) Multi-section sealing gate valve
CN215568281U (en) Stable form air supply transmission base for solenoid valve
CN219388754U (en) High-efficient decompression throttling arrangement of heat supply pipe network
CN217030032U (en) High leakproofness gas valve
CN111188915B (en) Silt-resistant butterfly valve
CN220850855U (en) Three-way ball valve
CN113883286B (en) Large-discharge pneumatic regulating valve based on accurate control of air pressure flow
CN2720220Y (en) Piston-type high-flow float valve
CN214946454U (en) Bidirectional pressure hard-touch hard rotary ball valve capable of preventing countercurrent leakage

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination