CN112610703B - Butterfly valve with sealing protection structure - Google Patents
Butterfly valve with sealing protection structure Download PDFInfo
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- CN112610703B CN112610703B CN202011546587.8A CN202011546587A CN112610703B CN 112610703 B CN112610703 B CN 112610703B CN 202011546587 A CN202011546587 A CN 202011546587A CN 112610703 B CN112610703 B CN 112610703B
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- valve
- fixedly connected
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- rod
- valve plate
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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
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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
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a butterfly valve with a sealing protection structure, which belongs to the technical field of valves and comprises a valve body and a Stirling engine, wherein the valve body comprises a valve plate, the middle of the valve plate is fixedly connected with a shaft sleeve, a valve rod penetrates through the shaft sleeve, one side of the top of the valve rod, which is fixedly connected with a connecting body, is fixedly connected with a turntable handle, the bottom of the valve rod is fixedly connected with a conductive block, the outer wall of the valve body is provided with heat conduction rings in an axisymmetric manner by taking the valve rod as an axis, the bottoms of the heat conduction rings are fixedly connected with heat conduction pipes, and the bottoms of the heat conduction pipes are fixedly connected with the Stirling engine. According to the invention, through the combination of the heat conduction ring and the Stirling engine, the heat conduction ring can conveniently absorb the heat of the channels at the two ends of the valve plate, when the valve plate is closed, the temperature difference between the two ends is large, so that the engine generates electricity, the electricity is transmitted into the electric heating rod from the electric conduction block to heat the ethanol solution to generate hot air, the hot air rises and enters the elastic sealing ring through the hot runner, so that the elastic gasket is expanded to be more attached to the inner wall of the valve body, and the sealing effect is better.
Description
Technical Field
The invention relates to a butterfly valve, relates to the technical field of valves, and particularly relates to a butterfly valve with a sealing protection structure.
Background
The butterfly valve is a valve which is opened and closed by rotating a closing member (a valve clack or a butterfly plate) around a valve shaft, and mainly plays a role in cutting off and throttling on a pipeline. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. The butterfly valve is suitable for pipelines for conveying various corrosive and non-corrosive fluid media in engineering systems such as producer furnaces, coal gas, natural gas, liquefied petroleum gas, urban gas, cold and hot air, chemical smelting, power generation, environmental protection and the like, and is used for adjusting and cutting off the flow of the media. The butterfly valve classification has: handle butterfly valves, turbine butterfly valves, pneumatic butterfly valves, electric butterfly valves, and the like. Butterfly valves are valves frequently used in fluid medium conveying pipelines. When the butterfly valve is used in a hot water pipeline, the following problems exist:
1. in the prior art, the problem that a sealing layer of a valve plate is damaged when the valve plate is used in a hot water environment for a long time exists;
2. among the prior art, can with the too much back of valve body inner wall friction number of times to some valve plate sealing layers, there is the clearance in sealing layer and inner wall, and then can not reach the use original intention of good sealed effect, this kind of butterfly valve with sealed protection architecture's suitability variation, consequently need carry out the structure innovation and solve specific problem.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a butterfly valve with a sealing protection structure, wherein one purpose is to have a sealing effect and solve the problem that a gap exists between a sealing layer and an inner wall after the friction frequency between the sealing layer of a valve plate and the inner wall of a valve body is too many; the other purpose is to solve the problem of damage of the sealing layer so as to achieve the effect of quickly repairing the sealing layer.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a butterfly valve with sealed protection architecture, includes valve body and stirling, and the valve body includes the valve plate, the middle fixedly connected with axle sleeve of valve plate, the inside of axle sleeve is run through and is provided with the valve rod, one side fixedly connected with carousel handle of the top fixedly connected with connector of valve rod, the bottom fixedly connected with conducting block of valve rod, the outer wall of valve body uses the valve rod to be provided with the heat conduction ring as the axial symmetry, the equal fixedly connected with heat pipe in bottom of heat conduction ring, the equal fixedly connected with stirling in bottom of heat pipe.
The technical scheme of the invention is further improved as follows: the valve plate is characterized in that an elastic sealing ring is fixedly clamped on the side wall of the valve plate and comprises a clamping block and an elastic gasket, the cross section of one end of the clamping block is in a circular shape, and a supporting rod is fixedly connected to the middle of the inner wall of the elastic gasket.
The technical scheme of the invention is further improved as follows: the hot runner has been seted up to the inside of valve plate, the hot runner adopts the wave setting, just the both ends through connection of hot runner has valve plate and axle sleeve.
The technical scheme of the invention is further improved as follows: the outer wall fixedly connected with connecting rod of valve rod, the inner wall of connecting rod fixedly connected with axle sleeve that the valve rod passes through to set up, set up the cavity between the outer wall of valve rod and the inner wall of axle sleeve, and the inside ethanol solution that is provided with of cavity.
The technical scheme of the invention is further improved as follows: the top fixedly connected with honeycomb duct of conducting block, the top fixedly connected with electric heating rod of conducting block.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a butterfly valve with a sealing protection structure, which is ingenious in design, adopts the combination of a heat conduction ring and a Stirling engine, and is convenient for the heat conduction ring to absorb heat of passages at two ends of a valve plate, when the valve plate is closed, the temperature difference at two ends is large, the heat is transferred to the Stirling engine through the heat conduction ring and a heat conduction pipe, according to the principle of the Stirling engine, the Stirling engine generates electricity through the large temperature difference, electric power is transmitted into an electric heating rod through a conductive block to heat an ethanol solution, the heated ethanol solution is evaporated to generate hot air, the hot air rises and enters an elastic sealing ring through a hot runner, so that the elastic gasket expands, the expanded elastic gasket is more attached to the inner wall of a valve body, the elastic gasket expands to the maximum degree along with steam, no gap exists between a sealing layer and the inner wall, and the sealing effect is better.
2. The invention provides a butterfly valve with a sealing protection structure, which is characterized in that an elastic gasket and a support rod are combined, so that when the elastic gasket is completely expanded, the support rod and the side wall of a valve plate form a vertical angle, a gap between the elastic gasket and the inner wall of the valve body is extruded, the sealing performance is enhanced, when the valve plate is opened, hot water flows through, the heat at two ends of the valve plate is equal, no temperature difference exists, a Stirling engine is not generated, an ethanol solution is not heated and evaporated, the elastic sealing ring is not expanded, the hot water smoothly passes through the valve body, and only the elastic sealing ring needs to be replaced when a sealing layer is damaged after long-term use, so that the butterfly valve is simple and convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic structural view of the present invention;
FIG. 3 is a schematic top view of the valve plate of the present invention;
FIG. 4 is a schematic view of the internal structure of the valve plate of the present invention;
fig. 5 is a schematic structural diagram of the elastic sealing ring of the present invention.
Wherein, 1, a valve body; 11. a valve stem; 12. a valve plate; 121. an elastic sealing ring; a1, a fixture block; a2, elastic washer; a3, a support bar; 13. a linker; 14. a handle; 15. a shaft sleeve; 151. a connecting rod; 152. ethanol solution; 153. a flow guide pipe; 154. an electrical heating rod; 16. a conductive block; 2. a stirling engine; 21. a heat conducting ring; 22. a heat conducting pipe.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1 to 5, the present invention provides a butterfly valve having a seal protection structure, a valve body 1 and a stirling engine 2.
In this embodiment, valve body 1 includes valve plate 12, valve plate 12's middle fixedly connected with axle sleeve 15, axle sleeve 15's inside is run through and is provided with valve rod 11, one side fixedly connected with carousel handle 14 of valve rod 11's top fixedly connected with connector 13, valve rod 11's bottom fixedly connected with conducting block 16, valve body 1's outer wall uses valve rod 11 to be provided with heat conduction ring 21 as the axial symmetry, the equal fixedly connected with heat pipe 22 in bottom of heat conduction ring 21, the equal fixedly connected with stirling 2 in bottom of heat pipe 22, when valve plate 12 is opened, the hot water flow passes through, the heat at valve plate 12 both ends equals does not have the difference in temperature, do not generate electricity to stirling 2, then ethanol solution 152 is not evaporated by the heating, elastic sealing ring 121 is unexpanded, hot water passes through valve body 1 smoothly.
As shown in fig. 4 to 5, in this embodiment, preferably, the side wall of the valve plate 12 is fixedly clamped with the elastic sealing ring 121, the elastic sealing ring 121 includes a clamping block a1 and an elastic washer a2, a cross section of one end of the clamping block a1 is arranged in a circular shape, a supporting rod a3 is fixedly connected to the middle of an inner wall of the elastic washer a2, and by adopting the combination arrangement of the elastic washer a2 and the supporting rod a3, when the elastic washer a2 is fully expanded, the supporting rod and the side wall of the valve plate form a vertical angle, a gap between the elastic washer a2 and the inner wall of the valve body 1 is squeezed, so as to enhance the sealing performance, the heat flow groove 122 is formed in the valve plate 12, and the heat flow groove 122 is arranged in a wave shape, so that steam heat flows into the elastic sealing ring 121 more stably, and the two ends of the heat flow groove 122 are connected with the valve plate 12 and the shaft sleeve 15 in a penetrating manner.
Example 2
As shown in fig. 3 to 5, on the basis of embodiment 1, the present invention provides a technical solution: the outer wall of the valve rod 11 is fixedly connected with a connecting rod 151, the valve rod 11 is fixedly connected with the inner wall of a shaft sleeve 15 through the arranged connecting rod 151, a cavity is arranged between the outer wall of the valve rod 11 and the inner wall of the shaft sleeve 15, an ethanol solution 152 is arranged in the cavity, the top of a conductive block 16 is fixedly connected with a flow guide pipe 153, and the top of the conductive block 16 is fixedly connected with an electric heating rod 154, wherein a heat conduction ring 21 is additionally arranged on the outer wall of the valve body 1 to absorb heat of channels at two ends of the valve plate 12, a rotary disc handle 14 is rotated to control the rotation of the valve rod 11 and the shaft sleeve 15, namely, the opening and closing of the valve plate 12 are controlled, when the valve plate 12 is closed, the temperature difference between two ends is large, the heat is transmitted to the Stirling engine 2 through the heat conduction ring 21 and the heat conduction pipe 22, according to the principle of the Stirling engine 2, the large temperature difference enables the Stirling engine 152 to generate electricity, the electricity is transmitted into the electric heating rod 154 through the conductive block 16 to heat the ethanol solution 152, wherein the ethanol solution 152 is stored in the conductive block 16, and is introduced into a cavity formed by the outer wall of the valve rod 11 and the shaft sleeve 15 by the guide pipe 153, the heated ethanol solution 152 is evaporated to generate hot air, and the hot air rises through the hot flow groove 122 and enters the elastic sealing ring 121.
The working principle of the butterfly valve with the sealing protection structure is described in detail below.
When the butterfly valve is used, the butterfly valve is only suitable for connecting a pipeline through which hot water passes, the heat conducting ring 21 is additionally arranged on the outer wall of the valve body 1, heat of channels at two ends of the valve plate 12 is absorbed, the rotation of the valve rod 11 and the shaft sleeve 15 is controlled by rotating the turntable handle 14, namely, the opening and closing of the valve plate 12 are controlled, when the valve plate 12 is closed, the temperature difference between two ends is large, the heat is transmitted to the Stirling engine 2 through the heat conducting ring 21 and the heat conducting pipe 22, the Stirling engine 152 generates electricity according to the principle of the Stirling engine 2 due to the large temperature difference, the electricity is transmitted into the electric heating rod 154 through the electric conducting block 16 to heat the ethanol solution 152, wherein the ethanol solution 152 is stored in the electric conducting block 16, the cavity formed by the outer wall of the valve rod 11 and the shaft sleeve 15 is introduced through the guide pipe 153, the heated ethanol solution 152 is evaporated to generate hot air, and the hot air rises to enter the elastic sealing ring 121 through the hot flow groove 122, make elastic gasket a2 inflation, the elastic gasket a2 after the inflation pastes more the valve body 11 inner wall, and sealed effect is better, and when elastic gasket a2 expanded completely, bracing piece a3 was the vertical angle with valve plate 12 lateral wall, extrudees the clearance of elastic gasket a2 and valve body 11 inner wall, reinforcing sealing performance.
When valve plate 12 is opened, hot water flows through, the heat at two ends of valve plate 12 is equal and has no temperature difference, and the stirling engine 2 is not powered, so that the ethanol solution 152 is not heated and evaporated, the elastic sealing ring 121 is not expanded, and hot water smoothly passes through the valve body 1.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (4)
1. A butterfly valve with a seal protection structure, comprising a valve body (1) and a Stirling engine (2), characterized in that: the valve body (1) comprises a valve plate (12), a shaft sleeve (15) is fixedly connected in the middle of the valve plate (12), a valve rod (11) penetrates through the shaft sleeve (15), a rotary disc handle (14) is fixedly connected to one side of a connecting body (13) fixedly connected to the top of the valve rod (11), a conductive block (16) is fixedly connected to the bottom of the valve rod (11), heat conducting rings (21) are symmetrically arranged on the outer wall of the valve body (1) by taking the valve rod (11) as an axis, heat conducting pipes (22) are fixedly connected to the bottoms of the heat conducting rings (21), and a Stirling engine (2) is fixedly connected to the bottoms of the heat conducting pipes (22);
the fixed joint of lateral wall of valve plate (12) has elastic sealing ring (121), elastic sealing ring (121) include fixture block (a1) and elastic washer (a2), the one end cross section of fixture block (a1) adopts circular setting, fixedly connected with bracing piece (a3) in the middle of the inner wall of elastic washer (a 2).
2. The butterfly valve with a seal protection structure of claim 1, wherein: hot launder (122) have been seted up to the inside of valve plate (12), hot launder (122) adopt the wave to set up, just the both ends through connection of hot launder (122) has valve plate (12) and axle sleeve (15).
3. The butterfly valve with a seal protection structure of claim 1, wherein: the outer wall fixedly connected with connecting rod (151) of valve rod (11), the inner wall of connecting rod (151) fixedly connected with axle sleeve (15) through setting up of valve rod (11), the cavity has been seted up between the outer wall of valve rod (11) and the inner wall of axle sleeve (15), and cavity inside is provided with ethanol solution (152).
4. The butterfly valve with a seal protection structure of claim 1, wherein: the top fixedly connected with honeycomb duct (153) of electrically conductive piece (16), the top fixedly connected with electric heating rod (154) of electrically conductive piece (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546587.8A CN112610703B (en) | 2020-12-24 | 2020-12-24 | Butterfly valve with sealing protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546587.8A CN112610703B (en) | 2020-12-24 | 2020-12-24 | Butterfly valve with sealing protection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112610703A CN112610703A (en) | 2021-04-06 |
| CN112610703B true CN112610703B (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011546587.8A Active CN112610703B (en) | 2020-12-24 | 2020-12-24 | Butterfly valve with sealing protection structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN112610703B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02146375A (en) * | 1988-11-28 | 1990-06-05 | Kitazawa Valve:Kk | Valve |
| CN2384053Y (en) * | 1999-06-15 | 2000-06-21 | 石家庄阀门一厂股份有限公司 | Water seal butterfly valve |
| CN206754395U (en) * | 2017-03-15 | 2017-12-15 | 江苏雄越石油机械设备制造有限公司 | A kind of Water seal butterfly valve |
| CN209909181U (en) * | 2019-04-20 | 2020-01-07 | 无锡炬焰能源科技有限公司 | Butterfly valve |
-
2020
- 2020-12-24 CN CN202011546587.8A patent/CN112610703B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02146375A (en) * | 1988-11-28 | 1990-06-05 | Kitazawa Valve:Kk | Valve |
| CN2384053Y (en) * | 1999-06-15 | 2000-06-21 | 石家庄阀门一厂股份有限公司 | Water seal butterfly valve |
| CN206754395U (en) * | 2017-03-15 | 2017-12-15 | 江苏雄越石油机械设备制造有限公司 | A kind of Water seal butterfly valve |
| CN209909181U (en) * | 2019-04-20 | 2020-01-07 | 无锡炬焰能源科技有限公司 | Butterfly valve |
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| Publication number | Publication date |
|---|---|
| CN112610703A (en) | 2021-04-06 |
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Effective date of registration: 20220817 Address after: No. 1350, Jiji Road, Tongji Park, Torch High-tech Zone, Xiamen, Fujian 361000 Applicant after: XIAMEN FREET FLUID CONTROL CO.,LTD. Address before: 201400 building 3, 777 Haijie Road, Fengxian District, Shanghai Applicant before: Ma Xiaolei |
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