CN113280128A - Bidirectional sealing butterfly valve - Google Patents

Bidirectional sealing butterfly valve Download PDF

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Publication number
CN113280128A
CN113280128A CN202110496369.6A CN202110496369A CN113280128A CN 113280128 A CN113280128 A CN 113280128A CN 202110496369 A CN202110496369 A CN 202110496369A CN 113280128 A CN113280128 A CN 113280128A
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CN
China
Prior art keywords
valve plate
valve
gear
fixedly connected
valve body
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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.)
Granted
Application number
CN202110496369.6A
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Chinese (zh)
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CN113280128B (en
Inventor
王少利
王克宇
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.)
Shk Valve Group Co ltd
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Individual
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Priority to CN202110496369.6A priority Critical patent/CN113280128B/en
Publication of CN113280128A publication Critical patent/CN113280128A/en
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Publication of CN113280128B publication Critical patent/CN113280128B/en
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    • 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
    • F16K1/223—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 with a plurality of valve members
    • B08B1/50—
    • 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
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing

Abstract

The invention discloses a two-way sealing butterfly valve in the technical field of butterfly valves, which comprises a valve body, wherein a gear box is fixedly connected to the side surface of the valve body, the inner wall of the gear box is rotatably connected with a rotating rod, one end of the rotating rod is fixedly connected with a rotating wheel, the surface of the rotating rod is fixedly connected with a power gear, a structural groove is formed in the valve body, the inner wall of the structural groove is rotatably connected with a rotating shaft, the surface of the rotating shaft is respectively and fixedly connected with a rotating mechanism and a driving gear, one end of the rotating mechanism is in threaded connection with a first valve plate, in the invention, the rotating rod and the power gear can be placed by arranging the gear box, the power gear can be driven to rotate by arranging the rotating wheel, the rotating shaft can be driven to rotate by arranging the power gear and the driving gear, and the rotating mechanism can be driven to rotate by arranging the rotating shaft, so that the two-way sealing butterfly valve solves the problem that a medium can not seal the butterfly valve due to reversely flow, through setting up clean rope, can clear up valve plate side impurity.

Description

Bidirectional sealing butterfly valve
Technical Field
The invention relates to the technical field of butterfly valves, in particular to a bidirectional sealing butterfly valve.
Background
The bidirectional sealing butterfly valve is mainly used in the fields of petroleum, chemical industry, chemical fertilizer, power station, metallurgy, paper making, light industry and the like, and is used as a part for cutting and adjusting on a pipeline.
The butterfly valve sealing washer on the existing market is by clamping ring and bolt fastening on the folded plate, the disk seat is located the valve body, the cross-section of disk seat is trapezoidal, when the medium flows in from the valve body import side, under the effect of medium, the sealing washer pastes tight disk seat, realize sealed, when medium reverse flow, medium effort makes the sealing washer tend to leave the disk seat, do not produce sealed required must specific pressure between sealing washer and the disk seat, produce and reveal, lead to ordinary sealed butterfly valve can only be suitable for one-way sealed operating mode, influence the practicality of butterfly valve. Accordingly, one skilled in the art provides a two-way sealing butterfly valve to solve the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a bidirectional sealing butterfly valve to solve the problem that the common sealing butterfly valve provided in the background technology can only be suitable for the working condition of unidirectional sealing.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a two way seal butterfly valve, includes the valve body, the side fixedly connected with gear box of valve body, the inner wall of gear box rotates and is connected with the dwang, the one end fixedly connected with of dwang rotates the wheel, the fixed surface of dwang is connected with power gear, the structure groove has been seted up to the inside of valve body, the inner wall in structure groove rotates and is connected with the axis of rotation, the surface difference fixedly connected with slewing mechanism and the drive gear of axis of rotation, slewing mechanism's one end threaded connection has first valve plate, the side of first valve plate is provided with the second valve plate, the fixed winding has clean rope in the axis of rotation.
As a further scheme of the invention: the slewing mechanism includes the driving gear of being connected with axis of rotation fixed surface, the inner wall in structure groove rotates and is connected with the lead screw, threaded hole is seted up to the side of first valve plate, the inner wall of screw hole and the surperficial threaded connection of lead screw, the fixed surface of lead screw is connected with driven gear, the driving gear meshes with driven gear, through setting up driving gear and driven gear, can drive the lead screw and rotate.
As a still further scheme of the invention: the quantity of axis of rotation is two, and two axis of rotation use the positive central line of valve body to set up the both sides in the valve body side as symmetry axis symmetry, through setting up two axis of rotation, can utilize the lead screw to be convenient for open first valve plate and second valve plate.
As a still further scheme of the invention: the valve plate comprises a valve plate body and a first valve plate and a second valve plate, wherein the upper end and the lower end of the valve plate are fixedly connected with fixed magnet blocks at the top and the bottom, the valve plate body is provided with a cylindrical hole between the valve plate and a rotating shaft, the rotating shaft is fixedly wound with a cleaning rope, the cleaning rope penetrates through the cylindrical hole and is wound on a transmission shaft, two rope knots are distributed in the middle of the cleaning rope, the length between the two rope knots is equal to the length of a gap between the first valve plate and the second valve plate, so that the cleaning rope can clean the side surface of the whole valve plate, the magnet blocks are placed on the inner side of the rope knots and penetrate through the cleaning rope, and the upper end and the lower end of the first valve plate are fixedly connected with the fixed magnet blocks at the top and.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the bidirectional sealing butterfly valve, the gear box is arranged, the rotating rod and the power gear can be placed, the power gear can be driven to rotate through the rotating wheel, the power gear and the driving gear can be arranged to drive the rotating shaft to rotate, the rotating mechanism can be driven to rotate through the rotating shaft, and the rotating mechanism can be arranged to pull the first valve plate and the second valve plate, so that the problem that the butterfly valve cannot be sealed due to reverse flow of a medium is solved.
2. According to the invention, the two rotating shafts are arranged, so that the first valve plate and the second valve plate can be conveniently moved by utilizing the screw rod.
3. According to the invention, by arranging the cleaning rope, impurities attached to the side surface of the valve plate can be cleaned when the butterfly valve is used for a pipeline for conveying crude oil.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the first valve plate of the present invention;
FIG. 3 is a schematic front sectional view of the present invention;
FIG. 4 is a schematic front sectional view of the first valve plate of the present invention.
In the figure: 1. a valve body; 2. a gear case; 3. rotating the rod; 4. a rotating wheel; 5. a power gear; 6. a rotating shaft; 7. a rotating mechanism; 701. a driving gear; 702. a screw rod; 703. a driven gear; 8. a first valve plate; 15. driving the gear; 16. a second valve plate; 61. cleaning the rope; 62. a cylindrical hole; 63. a fixed magnet block; 64. a magnet block; 65. and (6) knotting.
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.
Referring to fig. 1 to 4, in the embodiment of the invention, a two-way sealing butterfly valve comprises a valve body 1, a gear box 2 is fixedly connected to the side surface of the valve body 1, a rotating rod 3 is rotatably connected to the inner wall of the gear box 2, a rotating wheel 4 is fixedly connected to one end of the rotating rod 3, a power gear 5 is fixedly connected to the surface of the rotating rod 3, a structural groove is formed in the valve body 1, a rotating shaft 6 is rotatably connected to the inner wall of the structural groove, a rotating mechanism 7 and a driving gear 15 are respectively fixedly connected to the surface of the rotating shaft 6, a first valve plate 8 is connected to one end of the rotating mechanism 7 in a threaded manner, a second valve plate 16 is arranged on the side surface of the first valve plate 8, the rotating rod 3 and the power gear 5 can be placed by arranging the gear box 2, the rotating wheel 4 can drive the power gear 5 to rotate, the power gear 5 and the driving gear 15 can drive the rotating shaft 6 to rotate, through setting up axis of rotation 6, can drive slewing mechanism 7 and rotate, through setting up slewing mechanism 7, can stimulate first valve plate 8 and second valve plate 16 to make this two-way sealed butterfly valve solve the problem that medium reverse flow can not seal the butterfly valve.
Wherein, slewing mechanism 7 includes the driving gear 701 with 6 fixed surface connections of axis of rotation, and the inner wall in structure groove rotates and is connected with lead screw 702, and threaded hole is seted up to the side of first valve plate 8, and the inner wall of threaded hole and the surperficial threaded connection of lead screw 702, the fixed surface of lead screw 702 is connected with driven gear 703, and driving gear 701 and driven gear 703 mesh, through setting up driving gear 701 and driven gear 703, can drive lead screw 702 and rotate.
Wherein, the quantity of axis of rotation 6 is two, and two axis of rotation 6 use the positive central line of valve body 1 as symmetry axis symmetry and set up the both sides in valve body 1 side, through setting up two axis of rotation 6, can utilize lead screw 702 to be convenient for remove first valve plate 8 and second valve plate 16.
Wherein, the inner sides of the top points of the upper and lower ends of the valve plate are fixedly connected with a fixed magnet block 63, the valve body 1 is provided with a cylindrical hole 62 between the valve plate and the rotating shaft 6, the rotating shaft 6 is fixedly wound with a cleaning rope 61, the cleaning rope 61 passes through the cylindrical hole 62 to be wound on the transmission shaft 6, the middle part is provided with two knots 65, the length between the two knots 65 is the same as the length of the gap between the first valve plate 8 and the second valve plate 16, so as to ensure that the cleaning rope 61 can clean the side surface of the whole valve plate, the magnet block 64 is arranged at the inner side of the knot 61 to pass through the cleaning rope 61, before the first valve plate 8 and the second valve plate 16 are closed, the inner sides of the top points of the upper and lower ends of the first valve plate 8 are fixedly connected with the fixed magnet block 63 and the magnet block 64 and are always in an adsorption state, when the first valve plate 8 and the second valve plate 16 are closed, the transmission shaft 6 drives the cleaning rope 61 to rotate, when the magnet block 64 on the cleaning rope 61 slides to the position of the knot 65, when the transmission shaft 6 continues to rotate, the rope knot 65 drives the magnet block 64 to fall off from the fixed magnet block 63, and at the moment, the cleaning rope 61 in the middle of the two rope knots 65 has the same length as the gap between the first valve plate 8 and the second valve plate 16, and impurities attached to the side surfaces of the valve plates are scraped through the gap.
The working principle of the invention is as follows: when the bidirectional sealing butterfly valve works, when a medium in a pipe needs to be blocked, the rotating wheel 4 is rotated reversely, the rotating wheel 4 drives the rotating rod 3 to rotate, the rotating rod 3 drives the power gear 5 to rotate, the power gear 5 drives the driving gear 15 to rotate, the driving gear 15 drives the driving gear 701 to rotate, the driving gear 701 drives the driven gear 703 to rotate, the driven gear 703 drives the lead screw 702 to rotate, the lead screw 702 rotates to drive the first valve plate 8 and the second valve plate 16 to move, and the blocking can be realized no matter which direction the medium flows from two ends of the butterfly valve, when the medium needs to flow in the water pipe, the rotating wheel 4 only needs to be rotated forwardly, the first valve plate 8 and the second valve plate 16 move in opposite directions when being closed, and the medium can flow, so that the problem that the butterfly valve cannot be closed due to the reverse flow of the medium is solved, when the valve plates are closed, the cleaning rope 61 is driven to wind on the rotating shaft 6 when the rotating shaft 6 rotates, the cleaning cord 61 scrapes foreign substances attached to the side surfaces of the valve plate through the gap between the valve plates.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. The utility model provides a two way seal butterfly valve, includes valve body (1), its characterized in that: the side fixedly connected with gear box (2) of valve body (1), the inner wall of gear box (2) is rotated and is connected with dwang (3), the one end fixedly connected with of dwang (3) rotates wheel (4), the fixed surface of dwang (3) is connected with power gear (5), the structure groove has been seted up to the inside of valve body (1), the inner wall in structure groove rotates and is connected with axis of rotation (6), the surface difference fixedly connected with slewing mechanism (7) and drive gear (15) of axis of rotation (6), the one end threaded connection of slewing mechanism (7) has first valve plate (8), the side of first valve plate (8) is provided with second valve plate (16), the fixed winding has clean rope (61) in the axis of rotation.
2. A bi-directional sealing butterfly valve according to claim 1, wherein: the rotary mechanism (7) comprises a driving gear (701) fixedly connected with the surface of the rotary shaft (6), the inner wall of the structure groove is rotatably connected with a screw rod (702), a threaded hole is formed in the side surface of the first valve plate (8), the inner wall of the threaded hole is in threaded connection with the surface of the screw rod (702), a driven gear (703) is fixedly connected with the surface of the screw rod (702), and the driving gear (701) is meshed with the driven gear (703).
3. A bi-directional sealing butterfly valve according to claim 1, wherein: the number of the rotating shafts (6) is two, and the two rotating shafts (6) are symmetrically arranged on two sides of the side surface of the valve body (1) by taking the center line of the front surface of the valve body (1) as a symmetry axis.
4. A bi-directional sealing butterfly valve according to claim 1, wherein: valve body 1 is in valve plate (8) with cylinder hole (62) have been seted up between axis of rotation (6), the fixed winding of axis of rotation has clean rope (61), clean rope (61) pass cylinder hole (62) twine in on transmission shaft (6), two knots (55) have been arranged to the mid portion, length between two knots (55) with gap length between first valve plate (8) and second valve plate (16) is the same, knot (55) outside has been placed magnet piece (64) and has been passed clean rope (61), clean rope (61) can slide between magnet piece (64).
5. A bi-directional sealing butterfly valve according to claim 1, wherein: before the first valve plate (8) and the second valve plate (16) are closed, a fixed magnet block (63) and a magnet block (64) are fixedly connected to the inner sides of the top points of the upper end and the lower end of the first valve plate (8) and are always in an adsorption state.
CN202110496369.6A 2021-05-07 2021-05-07 Two-way sealing butterfly valve Active CN113280128B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110496369.6A CN113280128B (en) 2021-05-07 2021-05-07 Two-way sealing butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110496369.6A CN113280128B (en) 2021-05-07 2021-05-07 Two-way sealing butterfly valve

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Publication Number Publication Date
CN113280128A true CN113280128A (en) 2021-08-20
CN113280128B CN113280128B (en) 2023-10-03

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CN202110496369.6A Active CN113280128B (en) 2021-05-07 2021-05-07 Two-way sealing butterfly valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115026023A (en) * 2022-06-04 2022-09-09 北京思拓达环保科技有限公司 Air-powder airflow velocity adjusting device
CN115654194A (en) * 2022-10-08 2023-01-31 江苏高达阀门有限公司 Bidirectional sealing butterfly valve and use method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207111965U (en) * 2017-09-07 2018-03-16 荆双权 A kind of manual and electric integral type anticorrosion gate valve
CN110553048A (en) * 2019-09-21 2019-12-10 长兴创智科技有限公司 wear-resistant gate valve
CN210510328U (en) * 2019-06-04 2020-05-12 上海金来邦阀门制造有限公司 Electric two-way regulating valve
CN210920268U (en) * 2019-09-15 2020-07-03 北票真空设备有限公司 Bidirectional side-pulling type vacuum gate valve
CN112676285A (en) * 2021-01-22 2021-04-20 陈首君 Flexible cleaning device of petrochemical oil tank deposit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207111965U (en) * 2017-09-07 2018-03-16 荆双权 A kind of manual and electric integral type anticorrosion gate valve
CN210510328U (en) * 2019-06-04 2020-05-12 上海金来邦阀门制造有限公司 Electric two-way regulating valve
CN210920268U (en) * 2019-09-15 2020-07-03 北票真空设备有限公司 Bidirectional side-pulling type vacuum gate valve
CN110553048A (en) * 2019-09-21 2019-12-10 长兴创智科技有限公司 wear-resistant gate valve
CN112676285A (en) * 2021-01-22 2021-04-20 陈首君 Flexible cleaning device of petrochemical oil tank deposit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115026023A (en) * 2022-06-04 2022-09-09 北京思拓达环保科技有限公司 Air-powder airflow velocity adjusting device
CN115026023B (en) * 2022-06-04 2024-03-05 北京思拓达环保科技有限公司 Wind powder airflow velocity adjusting device
CN115654194A (en) * 2022-10-08 2023-01-31 江苏高达阀门有限公司 Bidirectional sealing butterfly valve and use method thereof

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Effective date of registration: 20230907

Address after: 201400 Building 1, No. 501, Qingwei Road, Qingcun Town, Fengxian District, Shanghai

Applicant after: SHK VALVE GROUP CO.,LTD.

Address before: Room 2201, building 7, Shangjia Xinyuan, intersection of Chengxiang middle road and Beima Road, Nankai District, Tianjin

Applicant before: Wang Shaoli

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