CN216343971U - Electric high-performance double-eccentric high-pressure butterfly valve - Google Patents
Electric high-performance double-eccentric high-pressure butterfly valve Download PDFInfo
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- CN216343971U CN216343971U CN202122725948.1U CN202122725948U CN216343971U CN 216343971 U CN216343971 U CN 216343971U CN 202122725948 U CN202122725948 U CN 202122725948U CN 216343971 U CN216343971 U CN 216343971U
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Abstract
The utility model relates to the technical field of application of eccentric butterfly valves, in particular to an electric high-performance double-eccentric high-pressure butterfly valve which comprises an electric actuator, a support, a valve rod and a valve body, wherein the electric actuator is arranged on the support; the support is installed to electric actuator's bottom, and through the one end fixed connection of axle sleeve and valve rod on the valve rod on electric actuator's the output, install the gland on the support, install gland on the gland, and the valve rod passes support, gland and gland in proper order, the valve body is installed to the bottom of support. The valve plate has excellent eccentric stability, and the problems of poor closing of the valve plate and medium leakage caused by deformation of the pin rod due to overlarge pressure or overlong service life of a market pin type structure are solved.
Description
Technical Field
The utility model relates to the technical field of application of eccentric butterfly valves, in particular to an electric high-performance double-eccentric high-pressure butterfly valve.
Background
The double-eccentric butterfly valve is named as a high-performance butterfly valve, is mainly used for drainage of systems such as water plants, power plants, steel plant smelting, chemical engineering, water source spring engineering, environmental facility construction and the like, is suitable for water pipelines, is used as adjusting and intercepting equipment, and is more resistant to high pressure, longer in service life and good in stability compared with a center line butterfly valve.
Through the retrieval, patent publication No. CN210290783U discloses a high pressure difference double plate double seat eccentric butterfly valve, which comprises a valve body, the valve plate, valve rod and disk seat, set up the valve port of horizontal setting on the valve body, set up the valve plate in the valve port, the vertical downthehole rotation of valve body installs the valve rod, the valve plate is provided with two valve plate faces, the valve plate passes through pin and valve rod fixed mounting, there is the valve body clamping ring through hexagon socket head cap screw fixed mounting in the valve port of valve body, fixed mounting has the disk seat on the valve body clamping ring, the disk seat is provided with two, two disk seats symmetry set up, two disk seats set up with two valve plate faces one-to-ones of valve plate.
The existing double-eccentric high-pressure butterfly valve has the following defects:
1. eccentric butterfly valves in the existing market are mostly in a pin type structure, and when the double eccentric butterfly valves in the pin type structure are used for a long time due to overlarge pressure, the shape of a pin rod can be deformed, so that a valve plate is not tightly closed, and the condition of medium leakage is caused.
Disclosure of Invention
The utility model aims to provide an electric high-performance double-eccentric high-pressure butterfly valve aiming at the problems in the background technology.
The technical scheme of the utility model is as follows: an electric high-performance double-eccentric high-pressure butterfly valve comprises an electric actuator, a bracket, a valve rod and a valve body; the support is installed to electric actuator's bottom, and through the one end fixed connection of axle sleeve and valve rod on the valve rod on electric actuator's the output, install the gland on the support, install gland on the gland, and the valve rod passes support, gland and gland in proper order, the valve body is installed to the bottom of support.
Preferably, the other end of the valve rod is connected with the valve body through a lower shaft sleeve of the valve rod. The valve rod is convenient to be stirred by the electric actuator, so that the valve plate can be separated from the valve body quickly after the valve is opened.
Preferably, the support is connected with the valve body through a fixing bolt, and a nut is connected to the fixing bolt through threads. The fixing bolt is a hexagonal flat end fastening bolt and is used for preventing the valve body and the support from flying out under high pressure, so that the safety function is achieved.
Preferably, a packing body is filled between the gland and the packing gland. The sealing performance between the valve rod and the valve body is improved.
Preferably, valve gap spring and main valve are installed in proper order to one side of valve body and are sealed, and pass through the valve gap bolt fastening between valve gap and the valve body, and the valve plate is installed to the opposite side of valve body. Can adjust valve body's sealing performance, make sealing performance more reliable under medium and metal clamping ring dual pressure for the valve body, and then compromise operating torque and sealed effect, be applicable to and use under the high pressure environment.
Compared with the prior art, the utility model has the following beneficial technical effects:
the other end of the valve rod is connected with the valve body through the lower shaft sleeve of the valve rod, the valve rod is in a groove clamping type design and is connected with the valve plate in a hole aligning mode, the valve plate is excellent in eccentric stability, and the problems that the valve plate is not closed tightly and media leak due to the fact that a pin rod is deformed when the pressure of a market pin type structure is too high or the service life of the market pin type structure is too long are solved; can adjust valve body's sealing performance, make sealing performance more reliable under medium and metal clamping ring dual pressure for the valve body, and then compromise operating torque and sealed effect, be applicable to and use under the high pressure environment.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
reference numerals: 1. an electric actuator; 2. a support; 3. a gland; 4. a packing gland; 5. a filler body; 6. a valve stem; 7. a shaft sleeve is arranged on the valve rod; 8. a lower shaft sleeve of the valve rod; 9. a valve body; 10. a bonnet bolt; 11. a valve cover; 12. a bonnet spring; 13. sealing a main valve; 14. a valve plate; 15. a nut; 16. and (5) fixing the bolt.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-2, the electric high-performance double-eccentric high-pressure butterfly valve provided by the utility model comprises an electric actuator 1, a bracket 2, a valve rod 6 and a valve body 9; the bottom of the electric actuator 1 is provided with a support 2, the output end of the electric actuator 1 is fixedly connected with one end of a valve rod 6 through an upper shaft sleeve 7 of the valve rod, the support 2 is provided with a gland 3, the gland 3 is provided with a packing gland 4, the valve rod 6 sequentially passes through the support 2, the gland 3 and the packing gland 4, the bottom of the support 2 is provided with a valve body 9, the other end of the valve rod 6 is connected with the valve body 9 through a lower shaft sleeve 8 of the valve rod, the valve rod 6 is designed in a clamping groove type and is connected with a hole of a valve plate 14, the eccentric stability of the valve plate 14 is excellent, the problems that the valve plate 14 is not tightly closed due to pin deformation and medium leakage are solved when the pressure is too large or the service life is too long in a market pin type structure, the support 2 is connected with the valve body 9 through a fixing bolt 16, a nut 15 is in threaded connection with the fixing bolt 16, and the fixing bolt 16 is a hexagonal flat-end fastening bolt, be used for preventing to fly out under high pressure between valve body 9 and the support 2, play the safety insurance effect, it has packing body 5 to fill between gland 3 and the gland 4, valve gap 11, valve gap spring 12 and main valve seal 13 are installed in proper order to one side of valve body 9, and are fixed through valve gap bolt 10 between valve gap 11 and the valve body 9, and valve plate 14 is installed to the opposite side of valve body 9, can adjust the sealing performance of valve body 9, let valve body 9 make sealing performance more reliable under medium and the dual pressure of metal clamping ring, and then compromise operation moment of torsion and sealed effect, use under the high pressure environment.
The working principle of the electric high-performance double-eccentric-center-based high-pressure butterfly valve based on the embodiment 1 is as follows: the axis of the valve rod 6 on the high-pressure butterfly valve deviates from the center of the valve plate 14 and also deviates from the center of the body, the valve rod 6 is pulled by the electric actuator 1, the valve plate 14 can be separated from the valve body 9 after the valve is opened, unnecessary excessive extrusion and scraping phenomena of the valve plate 14 and the valve body 9 are greatly eliminated, the opening resistance distance is reduced, the abrasion is reduced, the service life of the valve body 9 is prolonged, the scraping is greatly reduced, meanwhile, the double-eccentric butterfly valve can also adopt a metal valve seat, and the application of the butterfly valve in the high-temperature field is improved.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.
Claims (5)
1. An electric high-performance double-eccentric high-pressure butterfly valve comprises an electric actuator (1), a bracket (2), a valve rod (6) and a valve body (9); the method is characterized in that: support (2) are installed to the bottom of electric actuator (1), and through the one end fixed connection of axle sleeve (7) and valve rod (6) on the valve rod on the output of electric actuator (1), install gland (3) on support (2), install gland (4) on gland (3), and valve rod (6) pass support (2), gland (3) and gland (4) in proper order, valve body (9) are installed to the bottom of support (2).
2. The electric high-performance double-eccentric high-pressure butterfly valve according to claim 1, characterized in that: the other end of the valve rod (6) is connected with the valve body (9) through a lower shaft sleeve (8) of the valve rod.
3. The electric high-performance double-eccentric high-pressure butterfly valve according to claim 1, characterized in that: the support (2) is connected with the valve body (9) through a fixing bolt (16), and a nut (15) is connected to the fixing bolt (16) in a threaded mode.
4. The electric high-performance double-eccentric high-pressure butterfly valve according to claim 1, characterized in that: and a packing body (5) is filled between the gland (3) and the packing gland (4).
5. The electric high-performance double-eccentric high-pressure butterfly valve according to claim 1, characterized in that: valve gap (11), valve gap spring (12) and main valve are installed in proper order to one side of valve body (9) and are sealed (13), and fix through valve gap bolt (10) between valve gap (11) and valve body (9), and valve plate (14) are installed to the opposite side of valve body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725948.1U CN216343971U (en) | 2021-11-09 | 2021-11-09 | Electric high-performance double-eccentric high-pressure butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725948.1U CN216343971U (en) | 2021-11-09 | 2021-11-09 | Electric high-performance double-eccentric high-pressure butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343971U true CN216343971U (en) | 2022-04-19 |
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ID=81135919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122725948.1U Active CN216343971U (en) | 2021-11-09 | 2021-11-09 | Electric high-performance double-eccentric high-pressure butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216343971U (en) |
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2021
- 2021-11-09 CN CN202122725948.1U patent/CN216343971U/en active Active
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