CN117847243A - Eccentric butterfly valve - Google Patents

Eccentric butterfly valve Download PDF

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Publication number
CN117847243A
CN117847243A CN202410242658.7A CN202410242658A CN117847243A CN 117847243 A CN117847243 A CN 117847243A CN 202410242658 A CN202410242658 A CN 202410242658A CN 117847243 A CN117847243 A CN 117847243A
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CN
China
Prior art keywords
valve body
valve
disc
rod
bevel gear
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Granted
Application number
CN202410242658.7A
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Chinese (zh)
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CN117847243B (en
Inventor
吴少雄
吴少华
洪华彬
张孙典
王锦良
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Huaguang Valve Co ltd
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Huaguang Valve Co ltd
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Priority to CN202410242658.7A priority Critical patent/CN117847243B/en
Publication of CN117847243A publication Critical patent/CN117847243A/en
Application granted granted Critical
Publication of CN117847243B publication Critical patent/CN117847243B/en
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Anticipated expiration legal-status Critical

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Abstract

The invention provides an eccentric butterfly valve which comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel which are arranged on the valve body, a disc plate arranged in the valve body, a fixed disc and a rotating disc, wherein a valve rod for overturning the disc plate is arranged on the valve body, the fixed disc and the rotating disc are respectively arranged on the water inlet channel and positioned behind the fixed disc, fluid channels penetrating through the fixed disc and the rotating disc are arranged on the fixed disc and the rotating disc, a filter screen for filtering impurities is arranged on the rotating disc and positioned in the fluid channels, a sliding channel is arranged between the fixed disc and the rotating disc and extends into the inner wall of the water inlet channel, an upper sealing plate and a lower sealing plate for blocking the fluid channels are arranged in the sliding channel, and a sliding device for driving the upper sealing plate and the lower sealing plate to slide is arranged on the rotating disc.

Description

Eccentric butterfly valve
Technical Field
The invention relates to the technical field of valves, in particular to an eccentric butterfly valve.
Background
The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media. Among them, an eccentric butterfly valve is a commonly used valve.
When the existing eccentric butterfly valve is used, impurities exist in water flow, so that the existing eccentric butterfly valve can be attached to a butterfly plate when the water flow flows into the valve body, and after the existing eccentric butterfly valve is used for a long time, a sealing pair of the butterfly plate can be worn, so that the sealing performance of the valve is affected. And when the eccentric butterfly valve is closed, a water hammer can be generated to hit the butterfly plate, and the butterfly plate is damaged, so that the service life of the butterfly valve is influenced.
To solve this problem, the present invention has been made.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides an eccentric butterfly valve having a simple structure, a filtering function, and a water hammer prevention function.
In order to solve the technical problems, the eccentric butterfly valve comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel which are formed in the valve body, a disc plate arranged in the valve body, a fixed disc and a rotating disc, wherein the valve rod for overturning the disc plate is arranged on the valve body, the fixed disc and the rotating disc are respectively arranged on the water inlet channel and positioned behind the fixed disc, fluid channels penetrating through the fixed disc and the rotating disc are formed on the fixed disc and the rotating disc, a filter screen for filtering impurities is arranged on the rotating disc and positioned in the fluid channels, a sliding channel is arranged between the fixed disc and the rotating disc and extends into the inner wall of the water inlet channel, an upper sealing plate and a lower sealing plate for blocking the fluid channels are arranged in the sliding channel, and a sliding device for driving the upper sealing plate and the lower sealing plate to slide is arranged on the rotating disc.
The further improvement is that: the sliding device comprises an upper sliding rod and a lower sliding rod, wherein the upper sliding rod and the lower sliding rod are respectively arranged on an upper sealing plate and a lower sealing plate, a first annular groove and a second annular groove are formed in the rotating disc along the rotating disc, the upper sliding rod is arranged in the first annular groove, the lower sliding rod is arranged in the second annular groove, and a rotating device used for driving the rotating disc to rotate so as to drive the upper sliding rod and the lower sliding rod to slide in the first annular groove and the second annular groove is arranged on the valve body.
The further improvement is that: the rotating device comprises a water passing seat capable of passing water, the water passing seat is arranged in the fluid channel and located behind the filter screen, a fixing rod is arranged on the water passing seat, a worm wheel is sleeved on the fixing rod, a worm is rotatably arranged on the valve body in a penetrating mode, one end of the worm is in meshed transmission with the worm wheel, the other end of the worm penetrates out of the valve body, and a driving device used for driving the worm to rotate is arranged on the valve body.
The further improvement is that: the driving device comprises a driving rod, the driving rod rotates to penetrate through the valve cover, a first bevel gear is arranged on the worm and is located outside the valve body, a second bevel gear and a third bevel gear are respectively arranged at two ends of the driving rod, a fourth bevel gear is arranged on the valve rod, the first bevel gear and the second bevel gear are in meshed transmission, and the third bevel gear and the fourth bevel gear are in meshed transmission.
The further improvement is that: the valve body is provided with a sealing box for sealing the worm and the driving rod.
By adopting the technical scheme, the invention has the beneficial effects that:
simple structure, have filtering capability, can prevent that impurity from getting into the valve body inside and attaching on the butterfly plate to when preventing to rotate the butterfly plate, wearing and tearing seal is vice, has guaranteed the leakproofness of valve. Meanwhile, when the eccentric butterfly valve is closed, the upper sealing plate and the lower sealing plate can prevent the water hammer from striking the filter screen and the butterfly plate, so that the service life of the valve is prolonged.
Drawings
FIG. 1 is a schematic diagram of an eccentric butterfly valve according to an embodiment of the invention.
Fig. 2 is an enlarged schematic view of the embodiment a of the present invention.
FIG. 3 is a schematic view of a rotating disk structure according to an embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the drawings and specific examples.
Referring to fig. 1-3, the embodiment of the invention discloses an eccentric butterfly valve, which comprises a valve body 1, a valve cover 3 arranged on the valve body 1, a water inlet channel 2 and a water outlet channel which are arranged on the valve body 1, a disc plate arranged in the valve body 1, a fixed disc 111, a rotating disc 11, an upper sliding rod 18 and a lower sliding rod 19, wherein a valve rod 4 for turning the disc plate is arranged on the valve body 1, the fixed disc 111 and the rotating disc 11 are respectively arranged on the water inlet channel 2 and the rotating disc 11 is positioned behind the fixed disc 111, a fluid channel 12 penetrating through the fixed disc 111 and the rotating disc 11 is arranged on the fixed disc 111 and the rotating disc 11, a filter screen 14 for filtering impurities is arranged on the rotating disc 11 and is positioned in the fluid channel 12, a sliding channel is arranged between the fixed disc 111 and the rotating disc 11 and extends into the inner wall of the water inlet channel 2, an upper sealing plate 16 and a lower sealing plate 17 for blocking the fluid channel 12 are arranged in the sliding channel, the upper sliding rod 18 and the lower sliding rod 19 are respectively arranged on the upper sealing plate 16 and the lower sealing plate 17, a first annular groove 181 is arranged on the rotating disc 11 along the rotating disc 11, a second annular groove 181 is arranged in the rotating disc 11 and a second annular groove 181 is arranged in the rotating disc 19, and a second annular groove 181 is arranged in the rotating disc 19 and is arranged in the rotating disc 11, and is arranged in the second annular groove 19.
Specifically, the rotating device comprises a water passing seat 13 through which water can pass, the water passing seat 13 is arranged in the fluid channel 12 and positioned at the rear of the filter screen 14, a fixing rod 15 is arranged on the water passing seat 13, a worm wheel 61 is sleeved on the fixing rod 15, a worm 6 is rotatably arranged on the valve body 1 in a penetrating manner, one end of the worm 6 is in meshed transmission with the worm wheel 61, the other end of the worm 6 penetrates out of the valve body 1, a driving rod 9 is rotatably arranged on the valve cover 3 in a penetrating manner, a first conical tooth 7 and a first conical tooth 7 are arranged on the worm 6 and are positioned outside the valve body 1, a second conical tooth 8 and a third conical tooth are respectively arranged at two ends of the driving rod 9, a fourth conical tooth 10 is arranged on the valve rod 4, the first conical tooth 7 and the second conical tooth 8 are in meshed transmission, and the third conical tooth 10 are in meshed transmission.
In order to protect the driving rod 9 and the worm 6, the valve body 1 is provided with a sealing box 5 for sealing the worm 6 and the driving rod 9.
Working principle:
when the butterfly valve is used, when the eccentric butterfly valve is to be opened, the valve rod 4 rotates, the butterfly plate is driven to rotate, so that the butterfly valve is opened, meanwhile, the valve rod 4 rotates, the fourth bevel gear 10 is driven to rotate, the fourth bevel gear 10 drives the third bevel gear to rotate, the third bevel gear drives the driving rod 9 to rotate, the driving rod 9 drives the second bevel gear 8 to rotate, the second bevel gear 8 drives the first bevel gear 7 to rotate, the first bevel gear 7 drives the worm 6 to rotate, the worm 6 drives the worm wheel 61 to rotate, the worm wheel 61 drives the fixing rod 15 to rotate, the fixing rod 15 drives the rotating disc 11 to rotate, the upper sliding rod and the lower sliding rod slide in the first annular groove 181 and the second annular groove 191 when the rotating disc 11 rotates, the upper sealing plate 16 and the lower sealing plate 17 slide in the sliding channel when sliding to the position shown in fig. 3, so that the water channel is opened, the water flow flows in from the water channel, the filter screen 14 filters impurities, and then flows out of the water channel, and impurities are filtered due to the filter screen 14, the impurities are prevented from adhering to the butterfly plate, so that the butterfly plate is prevented from being worn and opened and closed. When the butterfly valve is closed, the valve rod 4 is reversed, the valve rod 4 drives the driving rod 9 to be reversed, the driving rod 9 drives the worm 6 to be reversed, the worm 6 drives the worm wheel 61 to be reversed, the rotating disc 11 is driven to be reversed and returned, the rotating disc 11 is rotated, the upper sliding rod 18 and the lower sliding rod 19 are driven to be slid and returned, the upper sealing plate 16 and the lower sealing plate 17 are driven to be returned, the fluid channel 12 is sealed, the filter screen 14 and the butterfly plate are prevented from being hit by a water hammer, and the service lives of the filter screen 14 and the butterfly plate are prolonged.
While the basic principles and main features of the present invention and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims (5)

1. The eccentric butterfly valve comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel arranged on the valve body, and a disc plate arranged in the valve body, wherein a valve rod for turning the disc plate is arranged on the valve body, and the eccentric butterfly valve is characterized in that: still include fixed disk and rolling disc, fixed disk and rolling disc are located the inlet channel respectively and the rolling disc is located the fixed disk rear, set up the fluid channel that runs through fixed disk and rolling disc on fixed disk and the rolling disc, be located the filter screen that is used for filtering impurity on the rolling disc in the fluid channel, have sliding channel and sliding channel between fixed disk and the rolling disc and extend to in the inlet channel inner wall, be equipped with in the sliding channel and be used for blocking fluid channel's upper seal plate and lower seal plate, be equipped with on the rolling disc and be used for driving upper seal plate and lower seal plate gliding slider.
2. The eccentric butterfly valve of claim 1, wherein: the sliding device comprises an upper sliding rod and a lower sliding rod, wherein the upper sliding rod and the lower sliding rod are respectively arranged on an upper sealing plate and a lower sealing plate, a first annular groove and a second annular groove are formed in the rotating disc along the rotating disc, the upper sliding rod is arranged in the first annular groove, the lower sliding rod is arranged in the second annular groove, and a rotating device used for driving the rotating disc to rotate so as to drive the upper sliding rod and the lower sliding rod to slide in the first annular groove and the second annular groove is arranged on the valve body.
3. The eccentric butterfly valve of claim 2, wherein: the rotating device comprises a water passing seat capable of passing water, the water passing seat is arranged in the fluid channel and located behind the filter screen, a fixing rod is arranged on the water passing seat, a worm wheel is sleeved on the fixing rod, a worm is rotatably arranged on the valve body in a penetrating mode, one end of the worm is in meshed transmission with the worm wheel, the other end of the worm penetrates out of the valve body, and a driving device used for driving the worm to rotate is arranged on the valve body.
4. The eccentric butterfly valve of claim 3, wherein: the driving device comprises a driving rod, the driving rod rotates to penetrate through the valve cover, a first bevel gear is arranged on the worm and is located outside the valve body, a second bevel gear and a third bevel gear are respectively arranged at two ends of the driving rod, a fourth bevel gear is arranged on the valve rod, the first bevel gear and the second bevel gear are in meshed transmission, and the third bevel gear and the fourth bevel gear are in meshed transmission.
5. The eccentric butterfly valve according to claim 4, wherein: the valve body is provided with a sealing box for sealing the worm and the driving rod.
CN202410242658.7A 2024-03-04 2024-03-04 Eccentric butterfly valve Active CN117847243B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410242658.7A CN117847243B (en) 2024-03-04 2024-03-04 Eccentric butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410242658.7A CN117847243B (en) 2024-03-04 2024-03-04 Eccentric butterfly valve

Publications (2)

Publication Number Publication Date
CN117847243A true CN117847243A (en) 2024-04-09
CN117847243B CN117847243B (en) 2024-05-28

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ID=90540198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410242658.7A Active CN117847243B (en) 2024-03-04 2024-03-04 Eccentric butterfly valve

Country Status (1)

Country Link
CN (1) CN117847243B (en)

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0724470A (en) * 1993-07-05 1995-01-27 Nippon Bitsugu Toizu Kk Composite rotating flow type water purifying device
CN103423464A (en) * 2013-09-02 2013-12-04 苏州赛斯德工程设备有限公司 Pressure valve capable of adjusting pressure
US20160145119A1 (en) * 2014-11-25 2016-05-26 Xiamen Runner Industrial Corporation Water Purification Valve Core
CN108743993A (en) * 2018-06-11 2018-11-06 深圳万研科技研发有限公司 A kind of cleaning sterilizing device for medical wheelchair
CN112128395A (en) * 2020-10-17 2020-12-25 淮北市万都工贸有限责任公司 Double-port valve seat convenient to seal
CN113280133A (en) * 2021-07-23 2021-08-20 山东泰恒智能环境科技有限公司 High barrier propterty butterfly valve
CN214519259U (en) * 2020-12-28 2021-10-29 山东盛通建材有限公司 Grinding machine is used in processing of multichannel bellows for highway
KR102319926B1 (en) * 2020-09-08 2021-10-29 인순생 Faucet assembly for various purposes
CN216885942U (en) * 2022-02-28 2022-07-05 温州市诚正工艺品有限公司 Notebook convenient to lock
CN115026593A (en) * 2022-08-15 2022-09-09 徐州腾鸿建设工程有限公司 Turning and polishing integrated machine for numerical control machining and using method thereof
CN218761464U (en) * 2022-11-08 2023-03-28 上海特一阀门制造有限公司 Silt-proof butterfly valve
CN115875464A (en) * 2022-12-20 2023-03-31 上海沪工阀门制造有限公司 Butterfly valve with self-cleaning function
CN218903542U (en) * 2022-11-28 2023-04-25 安徽优合科技股份有限公司 Hub die convenient to demolding
CN116792510A (en) * 2023-07-27 2023-09-22 深圳市摩控自动化设备有限公司 High-tightness electric actuating mechanism
CN116857426A (en) * 2023-06-25 2023-10-10 天虹阀门科技(泉州)有限公司 Gate valve with dual non-return function
CN220146348U (en) * 2023-04-28 2023-12-08 广东光耀玻璃科技股份有限公司 Hollow film-adhered glass and processing equipment
CN220162230U (en) * 2023-05-09 2023-12-12 重庆市勤拓精密机械有限公司 Positioning mechanism for machining
CN117345921A (en) * 2023-10-30 2024-01-05 北泽阀门集团有限公司 Butterfly valve with filtering capability

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0724470A (en) * 1993-07-05 1995-01-27 Nippon Bitsugu Toizu Kk Composite rotating flow type water purifying device
CN103423464A (en) * 2013-09-02 2013-12-04 苏州赛斯德工程设备有限公司 Pressure valve capable of adjusting pressure
US20160145119A1 (en) * 2014-11-25 2016-05-26 Xiamen Runner Industrial Corporation Water Purification Valve Core
CN108743993A (en) * 2018-06-11 2018-11-06 深圳万研科技研发有限公司 A kind of cleaning sterilizing device for medical wheelchair
KR102319926B1 (en) * 2020-09-08 2021-10-29 인순생 Faucet assembly for various purposes
CN112128395A (en) * 2020-10-17 2020-12-25 淮北市万都工贸有限责任公司 Double-port valve seat convenient to seal
CN214519259U (en) * 2020-12-28 2021-10-29 山东盛通建材有限公司 Grinding machine is used in processing of multichannel bellows for highway
CN113280133A (en) * 2021-07-23 2021-08-20 山东泰恒智能环境科技有限公司 High barrier propterty butterfly valve
CN216885942U (en) * 2022-02-28 2022-07-05 温州市诚正工艺品有限公司 Notebook convenient to lock
CN115026593A (en) * 2022-08-15 2022-09-09 徐州腾鸿建设工程有限公司 Turning and polishing integrated machine for numerical control machining and using method thereof
CN218761464U (en) * 2022-11-08 2023-03-28 上海特一阀门制造有限公司 Silt-proof butterfly valve
CN218903542U (en) * 2022-11-28 2023-04-25 安徽优合科技股份有限公司 Hub die convenient to demolding
CN115875464A (en) * 2022-12-20 2023-03-31 上海沪工阀门制造有限公司 Butterfly valve with self-cleaning function
CN220146348U (en) * 2023-04-28 2023-12-08 广东光耀玻璃科技股份有限公司 Hollow film-adhered glass and processing equipment
CN220162230U (en) * 2023-05-09 2023-12-12 重庆市勤拓精密机械有限公司 Positioning mechanism for machining
CN116857426A (en) * 2023-06-25 2023-10-10 天虹阀门科技(泉州)有限公司 Gate valve with dual non-return function
CN116792510A (en) * 2023-07-27 2023-09-22 深圳市摩控自动化设备有限公司 High-tightness electric actuating mechanism
CN117345921A (en) * 2023-10-30 2024-01-05 北泽阀门集团有限公司 Butterfly valve with filtering capability

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