CN111140661A - Double-layer elastic all-metal sealing structure for high-temperature-resistant valve - Google Patents
Double-layer elastic all-metal sealing structure for high-temperature-resistant valve Download PDFInfo
- Publication number
- CN111140661A CN111140661A CN202010048916.XA CN202010048916A CN111140661A CN 111140661 A CN111140661 A CN 111140661A CN 202010048916 A CN202010048916 A CN 202010048916A CN 111140661 A CN111140661 A CN 111140661A
- Authority
- CN
- China
- Prior art keywords
- baffle
- valve
- limiting plate
- plate
- metal sealing
- 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.)
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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
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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
- F16K1/32—Details
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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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a double-layer elastic all-metal sealing structure for a high-temperature-resistant valve, which comprises a valve frame and a valve plate, wherein the valve plate is rotatably connected in the valve frame, a limiting plate assembly is arranged in the valve frame, the end part of the valve plate is connected with a baffle plate assembly matched with the limiting plate assembly, the limiting plate assembly and the baffle plate assembly are both of double-layer structures, and two elastic metal sealing elements are connected with the matching part of the limiting plate and the baffle plate. Compared with the prior art, the invention has the advantages that: the valve sealing material can be used on a valve used in a high-temperature environment, the medium temperature is ensured to be 500-600 ℃, the condition that the sealing material is accelerated to age or carbonize due to the influence of high temperature is avoided, and the valve can still ensure better sealing performance after being closed.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a double-layer elastic all-metal sealing structure for a high-temperature-resistant valve.
Background
The valve is a device for controlling the direction, pressure and flow rate of fluid in a fluid system, and is a device which can control the flow rate of media (liquid, gas and powder) in pipes and equipment by flowing or stopping the media, and can be used for controlling the flow of various types of fluid such as water, steam, oil products, gas, slurry, various corrosive media, liquid metal, radioactive fluid and the like. The valves used for fluid control range from the simplest stop valve to various valves used in a very complicated automatic control system, the variety and the specification are various, the nominal diameter of the valve can be from a very tiny instrument valve to an industrial pipeline valve with the diameter of 10m, the working pressure of the valve can be from 0.0013MPa to 1000MPa of ultrahigh pressure, and the working temperature can be from-270 ℃ of ultralow temperature to 1430 ℃ of high temperature.
The valve is opened at a certain angle under normal operation conditions, the sealing structure of the valve adopts common sealing materials, but under the high-temperature condition, the common sealing materials can be accelerated to age or carbonize in a short time, so that the sealing requirement of the valve under the closed state cannot be met.
Disclosure of Invention
The invention aims to solve the technical problem and provides a double-layer elastic all-metal sealing structure for a high-temperature-resistant valve.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a high temperature resistant valve is with full metal seal structure of double-deck elasticity, includes valve frame and valve plate, the valve plate rotates to be connected in the valve frame, be equipped with spacing board subassembly in the valve frame, the end connection of valve plate is equipped with the baffle subassembly with limiting plate subassembly matched with, spacing board subassembly and baffle subassembly are bilayer structure, be equipped with two elastic metal sealing spare with baffle cooperation position connection on the limiting plate.
As the improvement, the limiting plate subassembly includes the stopper, stopper upper end fixed connection is on valve frame inner wall, the stopper left end is connected and is equipped with first limiting plate, and the stopper right-hand member is connected and is equipped with the second limiting plate, and the length of second limiting plate is greater than first limiting plate, the elastic metal sealing member is connected respectively in first limiting plate lower part left side and second limiting plate lower part left side, and the elastic metal sealing member can deform after receiving the pressure and produce the resilience force to play sealed effect.
As an improvement, the baffle subassembly includes first baffle and second baffle, the second baffle is the U-shaped structure, and second baffle band moves lower extreme and valve plate end connection, valve plate end right side is equipped with the fixed plate, the right side and the fixed plate bolted connection of second baffle, the right side of first baffle and the left side fixed connection of second baffle, the length of first baffle is greater than the length of second baffle, first baffle upper portion right side cooperatees with first limiting plate lower part left side, second baffle upper portion right side cooperatees with second limiting plate lower part left side, and the valve plate rotates the back, first baffle and second baffle laminate with first limiting plate and second limiting plate respectively to compress tightly elastic metal sealing spare and make the valve sealed.
As an improvement, the section of the elastic metal sealing element can be of an O-shaped structure, a C-shaped structure and an E-shaped structure, and sealing structures with different shapes have different rebound resilience and deformation capacity and can meet different sealing requirements.
As an improvement, the sealing surface of the elastic metal sealing element is provided with an electroplated layer, and the electroplated layer can completely fill and level up the concave-convex part of the contact surface of the metal sealing element, tightly attach and improve the sealing performance.
After adopting the structure, the invention has the following advantages: the valve sealing material can be used on a valve used in a high-temperature environment, the medium temperature is ensured to be 500-600 ℃, the condition that the sealing material is accelerated to age or carbonize due to the influence of high temperature is avoided, and the valve can still ensure better sealing performance after being closed.
Drawings
Fig. 1 is a schematic structural view of the present invention in a closed state.
Fig. 2 is a schematic structural diagram of the present invention in an open state.
As shown in the figure: 1. valve frame, 2, valve plate, 3, spacing board subassembly, 4, baffle subassembly, 5, elastic metal sealing member, 6, stopper, 7, first limiting plate, 8, second limiting plate, 9, first baffle, 10, second baffle, 11, fixed plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1-2, a double-layer elastic all-metal sealing structure for a high-temperature resistant valve comprises a valve frame 1 and a valve plate 2, wherein the valve plate 2 is rotatably connected in the valve frame 1, the valve plate 2 can be driven by a power driving device, such as pneumatic, hydraulic, electric or manual modes, a limiting plate component 3 is arranged in the valve frame 1, a baffle component 4 matched with the limiting plate component 3 is connected to the end of the valve plate 2, the baffle component 4 is pressed against the limiting plate component 3 along with the rotation of the valve plate 2 to form sealing, the limiting plate component 3 and the baffle component 4 are of a double-layer structure, two elastic metal sealing parts 5 are connected to the limiting plate and matched with the baffle plate, the elastic metal sealing parts 5 are pressed by the baffle component 4 to generate resilience force, so that gaps between the limiting plate component 3 and the baffle component 4 are isolated, the sealing effect is generated, the section of the elastic metal sealing element 5 can be in an O-shaped, C-shaped or E-shaped structure, the sealing surface of the elastic metal sealing element 5 is provided with an electroplated layer, and the electroplated layer can fill various depressions on the contact surface of the elastic metal sealing element 5, so that the contact surface is combined more tightly, and the sealing performance is improved.
Limiting plate subassembly 3 includes stopper 6, 6 upper ends fixed connection of stopper are on 1 inner wall of valve frame, 6 left ends of stopper are connected and are equipped with first limiting plate 7, and 6 right-hand members of stopper are connected and are equipped with second limiting plate 8, and the length of second limiting plate 8 is greater than first limiting plate 7, elastic metal sealing element 5 is connected respectively in 7 lower part left sides of first limiting plate and 8 lower part left sides of second limiting plate. The baffle plate assembly 4 comprises a first baffle plate 9 and a second baffle plate 10, the second baffle plate 10 is of a U-shaped structure, the second baffle plate 10 drives the lower end to be connected with the end part of the valve plate 2, a fixing plate 11 is arranged on the right side of the end part of the valve plate 2, the right side of the second baffle plate 10 is connected with the fixing plate 11 through bolts, the right side of the first baffle plate 9 is fixedly connected with the left side of the second baffle plate 10, the length of the first baffle plate 9 is larger than that of the second baffle plate 10, the right side of the upper part of the first baffle plate 9 is matched with the left side of the lower part of the first limiting plate 7, the right side of the upper part of the second baffle plate 10 is matched with the left side of the lower part of the second limiting plate 8, after the valve plate 2 rotates, the first baffle plate 9 and the second baffle plate 10 are respectively tightly attached to the first limiting plate 7 and the second limiting plate 8, the elastic metal sealing element 5 is tightly pressed, the elastic, thereby creating a sealing effect.
The working principle of the invention is as follows: the valve plate 2 is driven to rotate through the power driving device, the baffle plate assembly 4 is close to and tightly presses the limiting plate assembly 3 along with the rotation of the valve plate 2, the first baffle plate 9 is tightly attached to the first limiting plate 7 and compresses the elastic metal sealing element 5 on the first limiting plate 7, the elastic metal sealing element 5 is deformed to generate resilience force, and the elastic metal sealing element 5 is supported between the first baffle plate 9 and the first limiting plate 7 and is blocked, so that the sealing effect is generated; similarly, the second baffle 10 and the second limiting plate 8 are sealed, and the valve still has good sealing performance in a high-temperature environment by combining the high-temperature resistance of the elastic metal sealing element 5 through the two layers of sealing structures.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a high temperature resistant full metal seal structure of double-deck elasticity for valve, includes valve frame (1) and valve plate (2), its characterized in that: valve plate (2) rotate to be connected in valve frame (1), be equipped with spacing board subassembly (3) in valve frame (1), the end connection of valve plate (2) is equipped with baffle subassembly (4) with spacing board subassembly (3) matched with, spacing board subassembly (3) and baffle subassembly (4) are bilayer structure, be equipped with two elastic metal sealing spare (5) with baffle cooperation position connection on the limiting plate.
2. The double-layer elastic all-metal sealing structure for the high-temperature-resistant valve according to claim 1, characterized in that: spacing board subassembly (3) includes stopper (6), stopper (6) upper end fixed connection is on valve frame (1) inner wall, stopper (6) left end is connected and is equipped with first limiting plate (7), and stopper (6) right-hand member is connected and is equipped with second limiting plate (8), and the length of second limiting plate (8) is greater than first limiting plate (7), elastic metal sealing element (5) are connected respectively in first limiting plate (7) lower part left side and second limiting plate (8) lower part left side.
3. The double-layer elastic all-metal sealing structure for the high-temperature-resistant valve according to claim 2, characterized in that: baffle subassembly (4) include first baffle (9) and second baffle (10), second baffle (10) are the U-shaped structure, and second baffle (10) drive lower extreme and valve plate (2) end connection, valve plate (2) tip right side is equipped with fixed plate (11), the right side and fixed plate (11) bolted connection of second baffle (10), the right side of first baffle (9) and the left side fixed connection of second baffle (10), the length of first baffle (9) is greater than the length of second baffle (10), cooperate on first baffle (9) upper portion right side and first limiting plate (7) lower part left side, cooperate on second baffle (10) upper portion right side and second limiting plate (8) lower part left side.
4. The double-layer elastic all-metal sealing structure for the high-temperature-resistant valve according to claim 1, characterized in that: the section of the elastic metal sealing element (5) can be of an O-shaped structure, a C-shaped structure and an E-shaped structure.
5. The double-layer elastic all-metal sealing structure for the high-temperature-resistant valve according to claim 1, characterized in that: and an electroplated layer is arranged on the sealing surface of the elastic metal sealing element (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048916.XA CN111140661A (en) | 2020-01-16 | 2020-01-16 | Double-layer elastic all-metal sealing structure for high-temperature-resistant valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048916.XA CN111140661A (en) | 2020-01-16 | 2020-01-16 | Double-layer elastic all-metal sealing structure for high-temperature-resistant valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111140661A true CN111140661A (en) | 2020-05-12 |
Family
ID=70525511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010048916.XA Withdrawn CN111140661A (en) | 2020-01-16 | 2020-01-16 | Double-layer elastic all-metal sealing structure for high-temperature-resistant valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111140661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007362A (en) * | 2021-03-04 | 2021-06-22 | 泰州华业管道设备制造有限公司 | Marine desulfurization double-layer sealing valve |
-
2020
- 2020-01-16 CN CN202010048916.XA patent/CN111140661A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007362A (en) * | 2021-03-04 | 2021-06-22 | 泰州华业管道设备制造有限公司 | Marine desulfurization double-layer sealing valve |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200512 |
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| WW01 | Invention patent application withdrawn after publication |