CN215806355U - Novel fireproof and scouring-resistant multi-level butterfly valve - Google Patents
Novel fireproof and scouring-resistant multi-level butterfly valve Download PDFInfo
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- CN215806355U CN215806355U CN202120640968.6U CN202120640968U CN215806355U CN 215806355 U CN215806355 U CN 215806355U CN 202120640968 U CN202120640968 U CN 202120640968U CN 215806355 U CN215806355 U CN 215806355U
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Abstract
本实用新型提供一种新型防火耐冲刷多层次蝶阀，包括阀体、阀板和阀杆，其特征在于，所述阀体的顶部中间位置处设置有第一定位柱，其中第一定位柱和阀体之间贯穿，所述第一定位柱的内部呈中空状结构，其中第一定位柱的顶部设置有连接板，且连接板的顶部通过螺栓与第二定位柱的底部连接，所述第二定位柱的内部也有中空状结构，所述阀体的底部中间位置处设置有第三定位柱。本实用新型中，通过设置阀杆，阀杆可带动阀板转动，进而控制蝶阀的开启和关闭，同时在阀杆的外侧设置轴承，可减小阀杆与阀体之间的摩擦力，延长其使用寿命，同时还设置密封垫圈，减小阀板与阀体之间的摩擦。
The utility model provides a novel fire-resistant and erosion-resistant multi-level butterfly valve, which comprises a valve body, a valve plate and a valve stem. Passing through between the valve bodies, the interior of the first positioning column is a hollow structure, wherein the top of the first positioning column is provided with a connecting plate, and the top of the connecting plate is connected with the bottom of the second positioning column by bolts, and the first positioning column is connected with the bottom of the second positioning column. The inside of the two positioning columns also has a hollow structure, and a third positioning column is arranged at the middle position of the bottom of the valve body. In the utility model, by setting the valve stem, the valve stem can drive the valve plate to rotate, thereby controlling the opening and closing of the butterfly valve, and at the same time, the bearing is arranged on the outside of the valve stem, which can reduce the friction force between the valve stem and the valve body, prolong the It has a long service life and is also provided with a sealing gasket to reduce the friction between the valve plate and the valve body.
Description
Technical Field
The utility model relates to the field of butterfly valves, in particular to a novel fireproof and scouring-resistant multilayer butterfly valve.
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.
But because the flexible graphite of sealing washer is processed to form for the vast majority of butterfly valves in China at present, rely on extrusion flexible graphite to realize sealed, because graphite is not able to bear away and is easy to scatter, so this product life is short under the ultralow temperature and high temperature operating mode, and easy pollution pipeline medium, sealing performance is unstable, often takes place to leak.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel fireproof and scouring-resistant multi-layer butterfly valve to solve the technical problem.
In order to solve the technical problems, the utility model adopts the following technical scheme: a novel fireproof and scouring-resistant multi-layer butterfly valve comprises a valve body, a valve plate and a valve rod and is characterized in that a first positioning column is arranged in the middle of the top of the valve body, the first positioning column penetrates through the valve body, the interior of the first positioning column is of a hollow structure, a connecting plate is arranged on the top of the first positioning column, the top of the connecting plate is connected with the bottom of a second positioning column through a bolt, the interior of the second positioning column is also of a hollow structure, a third positioning column is arranged in the middle of the bottom of the valve body, the third positioning column penetrates through the valve body, and the interior of the third positioning column is of a hollow structure; the valve body is characterized in that a valve plate is arranged inside the valve body, two connecting sleeves are arranged on one side of the valve plate, a valve rod is arranged inside the two connecting sleeves, the top of the valve rod sequentially penetrates through the first positioning column and the second positioning column, the top of the first positioning column and the top of the second positioning column are connected with a rotating ring, and the bottom of the valve rod is movably connected to the inside of a third positioning column.
Preferably, a bearing is arranged inside the second positioning column and outside the valve rod, and a bearing is also arranged inside the valve body and outside the valve rod at a position where the inside of the valve body is connected with the valve rod.
Preferably, a sealing gasket is arranged on the inner surface wall of the valve body and positioned on the outer side of the valve plate, and the sealing gasket is in contact with the valve plate.
Preferably, the sealing washer is made of waterproof rubber.
Preferably, an inner fixing ring is arranged on the inner ring of the valve body and on one side of the valve plate, and the outer side of the inner fixing ring is connected with an outer fixing ring through a positioning pin shaft.
Preferably, the inner diameter of the outer fixing ring is smaller than the inner diameter of the through hole of the valve body.
Compared with the prior art, the novel fireproof and scouring-resistant multilayer butterfly valve provided by the utility model has the following beneficial effects:
the utility model provides a novel fireproof and scouring-resistant multi-layer butterfly valve, which is characterized in that firstly, a valve rod is arranged, the valve rod can drive a valve plate to rotate so as to control the butterfly valve to be opened and closed, meanwhile, a bearing is arranged on the outer side of the valve rod, so that the friction force between the valve rod and a valve body can be reduced, the service life of the butterfly valve is prolonged, and meanwhile, a sealing washer is also arranged so as to reduce the friction between the valve plate and the valve body; the detachable outer fixing ring and the detachable inner fixing ring are further arranged on one side of the valve body, when the valve works, fluid firstly passes through the outer fixing ring and then enters the valve body channel, and the inner diameter of the outer fixing ring is smaller than that of the valve body channel, so that the fluid passing through the outer fixing ring can be rapidly diffused and cannot be retained in the valve body channel, impurities and dust in the fluid can be prevented from falling into the valve body channel, and the valve is sealed, simple to assemble and reliable in sealing.
Drawings
FIG. 1 is a schematic perspective view of a novel fireproof and erosion-resistant multi-layer butterfly valve according to the present invention;
FIG. 2 is a side sectional view of a novel fire-proof erosion-resistant multi-layer butterfly valve of the present invention;
FIG. 3 is a schematic structural view of a valve plate and a valve stem according to the present invention;
reference numerals: 1. a valve body; 2. an outer fixing ring; 3. a valve plate; 4. positioning a pin shaft; 5. a first positioning post; 6. a connecting plate; 7. a second positioning column; 8. a rotating ring; 9. a bearing; 10. a valve stem; 11. a connecting sleeve; 12. an inner fixing ring; 13. a sealing gasket; 14. and a third positioning column.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
In the specific implementation process, as shown in fig. 1-3, a novel fireproof and scouring-resistant multilayer butterfly valve comprises a valve body 1, a valve plate 3 and a valve rod 10, and is characterized in that a first positioning column 5 is arranged in the middle of the top of the valve body 1, wherein the first positioning column 5 and the valve body 1 penetrate through each other, the first positioning column 5 is of a hollow structure, a connecting plate 6 is arranged at the top of the first positioning column 5, the top of the connecting plate 6 is connected with the bottom of a second positioning column 7 through a bolt, the second positioning column 7 is of a hollow structure, a third positioning column 14 is arranged in the middle of the bottom of the valve body 1, the third positioning column 14 penetrates through the valve body 1, and the third positioning column 14 is of a hollow structure; the valve plate 3 is arranged in the valve body 1, two connecting sleeves 11 are arranged on one side of the valve plate 3, the valve rod 10 is arranged in the two connecting sleeves 11, the top of the valve rod 10 sequentially penetrates through the first positioning column 5 and the top of the second positioning column 7 to be connected with the rotating ring 8, and the bottom of the valve rod 10 is movably connected to the inside of the third positioning column 14.
In the specific implementation process, as shown in fig. 1 to 3, a bearing 9 is disposed inside the second positioning column 7 and outside the valve rod 10, and the bearing 9 is also disposed inside the valve body 1 and at a position where the valve rod 10 is connected to the inside of the valve body 1 and outside the valve rod 10.
In the specific implementation process, as shown in fig. 1 to 3, a sealing gasket 13 is disposed on the inner surface wall of the valve body 1 and outside the valve plate 3, and the sealing gasket 13 is in contact with the valve plate 3.
In the specific implementation, as shown in fig. 1-3, the sealing washer 13 is made of waterproof rubber.
In the specific implementation process, as shown in fig. 1 to 3, an inner fixing ring 12 is disposed on the inner ring of the valve body 1 and on one side of the valve plate 3, and the outer side of the inner fixing ring 12 is connected to the outer fixing ring 2 through a positioning pin 4.
In the specific implementation process, as shown in fig. 1 to 3, the inner diameter of the outer fixing ring 2 is smaller than the inner diameter of the through hole of the valve body 1.
The working principle of the utility model is as follows: when the butterfly valve is used, the valve rod 10 can be driven to rotate in the valve body 1 by driving the rotating ring 8, the valve rod 10 further drives the valve plate 3 to rotate, and when the valve plate 3 rotates 90 degrees from an initial state (shown in figure 1), the valve plate is the maximum steering range for opening the butterfly valve at the moment; when the valve is used, the friction force between the valve rod 10 and the valve body 1 can be reduced by arranging the bearing 9, the sealing performance between the valve plate 3 and the valve body 1 is improved by arranging the sealing washer 13, and the sealing washer 13 is made of fireproof materials; the utility model effectively ensures zero leakage of the butterfly valve at normal temperature, and ensures the valve to be sealed, simple to assemble and reliable in sealing.
Compared with the prior art, the novel fireproof and scouring-resistant multilayer butterfly valve provided by the utility model has the following beneficial effects:
the utility model provides a novel fireproof and scouring-resistant multi-layer butterfly valve, which is characterized in that firstly, a valve rod is arranged, the valve rod can drive a valve plate to rotate so as to control the butterfly valve to be opened and closed, meanwhile, a bearing is arranged on the outer side of the valve rod, so that the friction force between the valve rod and a valve body can be reduced, the service life of the butterfly valve is prolonged, and meanwhile, a sealing washer is also arranged so as to reduce the friction between the valve plate and the valve body; the detachable outer fixing ring and the detachable inner fixing ring are further arranged on one side of the valve body, when the valve works, fluid firstly passes through the outer fixing ring and then enters the valve body channel, and the inner diameter of the outer fixing ring is smaller than that of the valve body channel, so that the fluid passing through the outer fixing ring can be rapidly diffused and cannot be retained in the valve body channel, impurities and dust in the fluid can be prevented from falling into the valve body channel, and the valve is sealed, simple to assemble and reliable in sealing.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The novel fireproof and scouring-resistant multilayer butterfly valve comprises a valve body (1), a valve plate (3) and a valve rod (10), and is characterized in that a first positioning column (5) is arranged in the middle of the top of the valve body (1), wherein the first positioning column (5) and the valve body (1) are communicated with each other, the first positioning column (5) is of a hollow structure, a connecting plate (6) is arranged at the top of the first positioning column (5), the top of the connecting plate (6) is connected with the bottom of a second positioning column (7) through a bolt, the second positioning column (7) is also of a hollow structure, a third positioning column (14) is arranged in the middle of the bottom of the valve body (1), the third positioning column (14) is communicated with the valve body (1), and the third positioning column (14) is of a hollow structure;
the valve body (1) is internally provided with a valve plate (3), one side of the valve plate (3) is provided with two connecting sleeves (11), valve rods (10) are arranged inside the two connecting sleeves (11), the tops of the valve rods (10) sequentially penetrate through a first positioning column (5) and a second positioning column (7), the tops of the valve rods (10) are connected with rotating rings (8), and the bottoms of the valve rods (10) are movably connected inside a third positioning column (14);
an inner fixing ring (12) is arranged on the inner ring of the valve body (1) and positioned on one side of the valve plate (3), and the outer side of the inner fixing ring (12) is connected with the outer fixing ring (2) through a positioning pin shaft (4);
the inner diameter of the outer fixing ring (2) is smaller than the inner diameter of the through hole of the valve body (1).
2. The novel fire-proof and scouring-resistant multi-layer butterfly valve as claimed in claim 1, wherein: the inside of second reference column (7) just is located the outside of valve rod (10) and is provided with bearing (9), the position department that the inside and valve rod (10) of valve body (1) are connected, and the outside that is located valve rod (10) also is provided with bearing (9).
3. The novel fire-proof and scouring-resistant multi-layer butterfly valve as claimed in claim 1, wherein: and a sealing gasket (13) is arranged on the inner surface wall of the valve body (1) and positioned on the outer side of the valve plate (3), and the sealing gasket (13) is in contact with the valve plate (3).
4. The novel fire-proof and scouring-resistant multi-layer butterfly valve as claimed in claim 3, wherein: the sealing washer (13) is made of waterproof rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120640968.6U CN215806355U (en) | 2021-03-30 | 2021-03-30 | Novel fireproof and scouring-resistant multi-level butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120640968.6U CN215806355U (en) | 2021-03-30 | 2021-03-30 | Novel fireproof and scouring-resistant multi-level butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806355U true CN215806355U (en) | 2022-02-11 |
Family
ID=80162587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120640968.6U Expired - Fee Related CN215806355U (en) | 2021-03-30 | 2021-03-30 | Novel fireproof and scouring-resistant multi-level butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806355U (en) |
-
2021
- 2021-03-30 CN CN202120640968.6U patent/CN215806355U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |