CN212055881U - Butterfly valve with automatic sealing function - Google Patents
Butterfly valve with automatic sealing function Download PDFInfo
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- CN212055881U CN212055881U CN202020394723.5U CN202020394723U CN212055881U CN 212055881 U CN212055881 U CN 212055881U CN 202020394723 U CN202020394723 U CN 202020394723U CN 212055881 U CN212055881 U CN 212055881U
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Abstract
The utility model discloses a butterfly valve with automatic sealing, which comprises a turbine mechanism, a valve body mechanism, a connecting mechanism, a valve body mechanism arranged on the butterfly valve with automatic sealing, a valve body arranged on the valve body mechanism, two sides of the valve body symmetrically provided with forgiveness ports, a valve body arranged outside the valve body mechanism, a valve shaft arranged in the center of the valve body, a butterfly plate arranged outside the valve shaft, a withdrawing pin arranged between the butterfly plate and the valve shaft, a connecting mechanism arranged near one end inside the valve body, a connecting mechanism for fixedly connecting the upper valve shaft and the valve shaft through the connecting mechanism, a turbine mechanism arranged at one end of the valve body mechanism, a turbine box arranged on the turbine mechanism, a motor arranged at one side of the turbine box, a first wheel at the top of the turbine box connected with a turbine in the turbine box through a worm, the valve has simple structure, strong practicability, high precision of high pressure-resistant sealing and, the pressure resistance is strong, the structure is simple, the online installation and maintenance functions are realized, the assembly and disassembly are simple, the use is convenient, the maintainability is strong, and the durability is high.
Description
Technical Field
The utility model relates to an automatic sealing's butterfly valve technical field specifically is a butterfly valve with automatic sealing.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. 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 valve self sealss function is one kind and has the novel valve of self-sealing functional device as the pipe valve, according to the advanced technology at home and abroad utility model this technique under my technical staff's meticulous research, the structural principle of valve has increased valve self-sealing function on the original functional performance basis of valve, make the valve bear the high pressure of medium at work and the sealed nothing of low pressure leak, improved valve work efficiency greatly, and long service life is applied to trades such as steel factory, chemical industry, sewage treatment, municipal works, building, electric power, metallurgy, oil, natural gas, running water, coal.
At present, many valves on insomnia can not realize self sealss, and along with the time lapse, the valve is ageing gradually, and life is short, and crushing resistance is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, it is more convenient to make and maintain, and working stroke is little, and it is short to open and close the time, and the leakproofness is good, and frictional force is little between sealed face, the longer butterfly valve that has automatic seal of life to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a butterfly valve with automatic sealing comprises a turbine mechanism, a valve body mechanism and a connecting mechanism, wherein the butterfly valve is characterized in that
The worm gear mechanism is provided with a worm gear box, one end of the worm gear box is provided with a motor, the top of the worm gear box is provided with a hand wheel, the center of the interior of the hand wheel is provided with a worm, one side of the worm gear box is provided with a connecting support, and the connecting support is fixedly connected with the side wall of the worm gear box through screws;
the valve body mechanism is provided with a valve body, a cavity is arranged inside the valve body, a valve shaft is arranged in the center of the inside of the valve body, a butterfly plate is arranged outside the valve shaft, a withdrawing pin is arranged between the butterfly plate and the valve shaft, one end of the valve shaft is provided with an upper valve shaft, and the upper valve shaft and the valve shaft are of an integral structure;
the connecting mechanism comprises a valve body, a gland, a butterfly plate and a lubricating sleeve, wherein a sealing rubber ring is arranged between the valve body and the gland, the gland is arranged above the butterfly plate, a fastening screw is arranged between the gland and the butterfly plate, the lubricating sleeve is arranged at the bottom of the valve body, and the lubricating sleeve and the butterfly plate are arranged outside the valve shaft.
Preferably, the inside of turbine case is equipped with the turbine, the inside mutual interlock of worm and the inside turbine of turbine case at inside central authorities of hand wheel, one side of turbine case is equipped with valve shaft connection port, goes up valve shaft connection port department and is equipped with linking bridge, linking bridge passes through screw and valve shaft connection port fixed connection.
Preferably, a shaft sleeve is arranged outside one end of the valve shaft, a sealing rubber ring is arranged between the shaft sleeve and the valve body, a fixed end cover is arranged at one end of the valve shaft, and the fixed end cover is fixedly connected with the valve body through screws.
Preferably, a valve cover is arranged at one end of the valve body, a filler is arranged between the valve cover and the upper valve shaft, the valve cover is installed outside the filler through a fastening screw, an end cover is arranged at the other end of the valve body, and the end cover is fixedly connected with the valve body.
Preferably, one end of the upper valve shaft is provided with a gear, and one end of the upper valve shaft provided with the gear is meshed with the turbine in the turbine box.
Preferably, be equipped with the disk seat on the valve body, the valve plate is connected with the disk seat, and the disk seat passes through the valve rod to be connected with drive arrangement, go up the valve shaft and install with drive arrangement junction and reduce the nut, self-sealing device setting on the valve body is inside the valve, the upper portion of going up the valve shaft is provided with valve-stem nut, and valve-stem nut's lower extreme is provided with the valve plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the valve is self-sealed, namely the valve can be automatically cut off by physical pressure without manual treatment;
(2) the valve has a self-sealing function, so that the sealing performance of the valve is enhanced, the sealing effect is improved, and zero leakage of the valve and a pipeline is realized;
(3) the valve self-sealing is mainly used under the working conditions of high pressure, middle pressure and low pressure, the valve is sealed through the sealing pair in a pre-tightening way, the sealing in the structure is more and more tight along with the increase of the working pressure, and the sealing performance is better;
(4) the sealing surface is sealed under the action of pressure and is sealed under the action of no pressure, the sealing effect is better when the pressure is higher, and the sealing structure and the sealing performance are changed to adapt to pipe systems under different working conditions;
(5) the self-sealing valve is high-pressure-resistant, low-pressure-resistant and sealed, lip-shaped paste sealing of a control pipeline medium is realized, sealing is in place, the medium is not easy to leak, the disassembly and the assembly are convenient, the maintenance is convenient, the structure is simple, and the cost is low;
(6) the valve body, the valve plate, the valve cover and the gland sealing pair are combined and arranged in the valve body, and the medium technology of the pipeline is controlled, so that the high precision is realized, and the medium sealing strength and the medium flow direction are accurately controlled;
(7) the self-sealing valve has the advantages of simple structure, convenient manufacture and maintenance, small working stroke, short opening and closing time, good sealing property, small friction force between sealing surfaces and longer service life.
Drawings
FIG. 1 is a front view of the automatic sealing butterfly valve of the present invention;
FIG. 2 is a top view of the automatic sealing butterfly valve of the present invention;
FIG. 3 is a schematic view of the connecting mechanism of the present invention;
fig. 4 is a schematic view of the valve body mechanism of the present invention.
In the figure: 1. a valve shaft; 2. a shaft sleeve; 3. sealing the rubber ring; 4. a butterfly plate; 5. withdrawing the pin; 6. a valve body; 7. a filler; 8. a valve cover; 9. connecting a bracket; 10. a turbine case; 11. An upper valve shaft; 12. a hand wheel; 13. a motor; 14. a connecting mechanism; 15. a lubricating sleeve; 16. Fastening screws; 17. a gland; 18. a turbine mechanism; 19. a valve body mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an including turbine mechanism 18 on butterfly valve with self-sealing, valve body mechanism 19, coupling mechanism 14, be equipped with turbine case 10 on the turbine mechanism 18 on the butterfly valve of self-sealing, the one end of turbine case 10 is equipped with the motor, the top of turbine case 10 is equipped with hand wheel 12, the inside central authorities of hand wheel 12 are equipped with the worm, one side of turbine case 10 is equipped with linking bridge 9, linking bridge 9 passes through screw fixed connection with turbine case 10 lateral wall, the inside of turbine case 10 is equipped with the turbine, the worm of the inside central authorities of hand wheel 12 and the inside mutual interlock of turbine case 10, one side of turbine case 10 is equipped with valve shaft connection port, it is equipped with linking bridge 9 to go up valve shaft connection port department, linking bridge 9 passes through screw and valve shaft connection port fixed connection.
A valve body 6 is arranged on the valve body mechanism 19, a valve cover 8 is arranged at one end of the valve body 6, a filler 7 is arranged between the valve cover 8 and the upper valve shaft 1, the valve cover 8 is mounted on the outer portion of the filler 7 through a fastening screw 16, an end cover is arranged at the other end of the valve body 6, the end cover is fixedly connected with the valve body 6, a cavity is arranged inside the valve body 6, a valve shaft 1 is arranged in the center inside the valve body 6, a shaft sleeve 2 is arranged outside one end of the valve shaft 1, a sealing rubber ring 3 is arranged between the shaft sleeve 2 and the valve body 6, a fixed end cover is arranged at one end of the valve shaft 1, the fixed end cover is fixedly connected with the valve body 6 through a screw, a butterfly plate 4 is arranged outside the valve shaft 1, a withdrawing pin 5 is arranged between the butterfly plate 4 and the valve shaft 1, an upper valve shaft 11 is arranged at one end of the upper valve shaft 11, a gear is arranged;
the valve body 6 is provided with a valve seat, the valve plate is connected with the valve seat, the valve seat is connected with a driving device through a valve rod, a tightening nut is installed at the joint of the upper valve shaft 11 and the driving device, the self-sealing device on the valve body 6 is arranged inside the valve, the upper portion of the upper valve shaft 11 is provided with a valve rod nut, and the lower end of the valve rod nut is provided with the valve plate.
The connecting mechanism 14 comprises a valve body 6, a gland 17, a butterfly plate 4 and a lubricating sleeve 15, wherein a sealing rubber ring 3 is arranged between the valve body 6 and the gland 17, the gland 17 is arranged above the butterfly plate 4, a fastening screw 16 is arranged between the gland 17 and the butterfly plate 4, the lubricating sleeve 15 is arranged at the bottom of the valve body 6, and the lubricating sleeve 15 and the butterfly plate 4 are arranged outside the valve shaft 1.
The installation method of the sealing butterfly valve comprises the following steps: before the valve is installed, the model of the used valve is carefully checked, whether the specification is consistent with the design or not is checked, whether the valve can be applied under the required condition or not is checked according to the model of the valve and the factory specifications, when the valve is hoisted, a rope is bound at the flange connection part of the valve body and the valve cover and is not tied on a hand wheel or a valve rod, sealing gaskets are added between the connection ports at two sides of the sealed butterfly valve and a connection pipeline, and the sealed butterfly valve is fixedly connected with the pipeline through fixing and fixing screws.
This valve simple structure, the practicality is strong, and high pressure resistant is sealed with the low pressure seal effect precision height, and the lip subsides of self sealss valve are sealed the precision height, and compressive capacity is strong, simple structure, online installation maintenance function, loading and unloading are simple, convenient to use, and maintainability is strong, durable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A butterfly valve with self-sealing, comprising a turbine mechanism (18), a valve body mechanism (19), a connection mechanism (14), characterized in that: the above-mentioned
The worm gear mechanism (18), a worm gear box (10) is arranged on the worm gear mechanism (18), a motor is arranged at one end of the worm gear box (10), a hand wheel (12) is arranged at the top of the worm gear box (10), a worm is arranged in the center of the interior of the hand wheel (12), a connecting support (9) is arranged on one side of the worm gear box (10), and the connecting support (9) is fixedly connected with the side wall of the worm gear box (10) through screws;
the valve body mechanism (19), a valve body (6) is arranged on the valve body mechanism (19), a cavity is arranged inside the valve body (6), a valve shaft (1) is arranged in the center inside the valve body (6), a butterfly plate (4) is arranged outside the valve shaft (1), a withdrawing pin (5) is arranged between the butterfly plate (4) and the valve shaft (1), an upper valve shaft (11) is arranged at one end of the valve shaft (1), and the upper valve shaft (11) and the valve shaft (1) are of an integral structure;
coupling mechanism (14), including valve body (6), gland (17), butterfly plate (4) on coupling mechanism (14), lubricated cover (15), draw together and be equipped with between valve body (6) and gland (17) sealing rubber circle (3), gland (17) set up in the top of butterfly plate (4), are equipped with fastening screw (16) between gland (17) and butterfly plate (4), lubricated cover (15) set up in the bottom of valve body (6), and lubricated cover (15) all set up the outside at valve shaft (1) with butterfly plate (4).
2. The butterfly valve with automatic sealing of claim 1, wherein: the inside of turbine case (10) is equipped with the turbine, the worm of the inside central authorities of hand wheel (12) and the inside mutual interlock of turbine case (10), one side of turbine case (10) is equipped with valve shaft connection port, goes up valve shaft connection port department and is equipped with linking bridge (9), linking bridge (9) are through screw and valve shaft connection port fixed connection.
3. The butterfly valve with automatic sealing of claim 1, wherein: the valve shaft is characterized in that a shaft sleeve (2) is arranged outside one end of the valve shaft (1), a sealing rubber ring (3) is arranged between the shaft sleeve (2) and the valve body (6), a fixed end cover is arranged at one end of the valve shaft (1), and the fixed end cover is fixedly connected with the valve body (6) through screws.
4. The butterfly valve with automatic sealing of claim 1, wherein: the valve is characterized in that a valve cover (8) is arranged at one end of the valve body (6), a filler (7) is arranged between the valve cover (8) and the upper valve shaft (1), the valve cover (8) is installed outside the filler (7) through a fastening screw (16), an end cover is arranged at the other end of the valve body (6), and the end cover is fixedly connected with the valve body (6).
5. The butterfly valve with automatic sealing of claim 1, wherein: one end of the upper valve shaft (11) is provided with a gear, and one end of the upper valve shaft (11) provided with the gear is meshed with a turbine in the turbine box (10).
6. The butterfly valve with automatic sealing of claim 1, wherein: be equipped with the disk seat on valve body (6), the upper portion of going up valve shaft (11) is provided with valve-stem nut, and valve-stem nut's lower extreme is provided with the valve plate, the valve plate is connected with the disk seat, and the disk seat passes through the valve rod to be connected with drive arrangement, it installs the nut that reduces to go up valve shaft (11) and drive arrangement junction, and self-sealing device on valve body (6) sets up inside the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394723.5U CN212055881U (en) | 2020-03-25 | 2020-03-25 | Butterfly valve with automatic sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394723.5U CN212055881U (en) | 2020-03-25 | 2020-03-25 | Butterfly valve with automatic sealing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055881U true CN212055881U (en) | 2020-12-01 |
Family
ID=73529963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020394723.5U Active CN212055881U (en) | 2020-03-25 | 2020-03-25 | Butterfly valve with automatic sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055881U (en) |
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2020
- 2020-03-25 CN CN202020394723.5U patent/CN212055881U/en active Active
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