CN211901615U - Butterfly valve convenient to adjust velocity of flow - Google Patents
Butterfly valve convenient to adjust velocity of flow Download PDFInfo
- Publication number
- CN211901615U CN211901615U CN202020270355.3U CN202020270355U CN211901615U CN 211901615 U CN211901615 U CN 211901615U CN 202020270355 U CN202020270355 U CN 202020270355U CN 211901615 U CN211901615 U CN 211901615U
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- Prior art keywords
- handle
- valve plate
- rotation
- butterfly valve
- axis
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 14
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a butterfly valve convenient to adjust velocity of flow, which comprises a valve body, the up end of valve body runs through to rotate and pegs graft and has the axis of rotation, the lower extreme fixedly connected with of axis of rotation matches the main valve plate of valve body, the central point of main valve plate puts and is provided with the auxiliary valve plate, the inside through-hole that communicates each other that is provided with of main valve plate and axis of rotation is provided with the auxiliary shaft in this through-hole, and this auxiliary shaft bottom is connected with the top of auxiliary valve plate, the top of auxiliary shaft is stretched out through-hole and top and is provided with first handle, be provided with the second handle on the outer disc wall of axis of rotation, be provided. The flow velocity of the adjusting medium that main valve plate and auxiliary valve plate's cooperation design can be fine, and the auxiliary valve plate is less than the area of main valve plate, opens the main valve plate and can increase the flow velocity, opens auxiliary valve plate and can reduce the flow velocity.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a butterfly valve convenient to adjust the velocity of flow.
Background
A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and 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 member is a butterfly plate of disc, it is rotatory around its self axis in the valve body, thereby reach the purpose of opening and close or adjusting, butterfly valve among the prior art only relies on the velocity of flow of a control medium that a dish board can not be fine, be difficult to satisfy user's demand, in addition, easily wearing and tearing between valve body and the dish board, the condition such as leakage appears easily after long-time the use, need regularly do sealed processing to it, seal assembly among the prior art stability is relatively poor, the life-span is shorter.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a butterfly valve convenient to adjust the velocity of flow.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a butterfly valve convenient to adjust velocity of flow, includes the valve body, the up end of valve body runs through to rotate and pegs graft and has the axis of rotation, the lower extreme fixedly connected with of axis of rotation matches the main valve plate of valve body, the central point of main valve plate puts and is provided with supplementary valve plate, main valve plate and the inside through-hole that communicates each other that is provided with of axis of rotation are provided with the auxiliary shaft in this through-hole, and this auxiliary shaft bottom is connected with the top of supplementary valve plate, the top of auxiliary shaft is stretched out through-hole and top and is provided with first handle, be provided with the second handle on the outer circular wall of axis of rotation, be.
Preferably, the first handle and the second handle are respectively provided with a threaded hole corresponding to each other, and the first handle and the second handle are connected through a fastening bolt.
Preferably, the threaded holes are arranged in a plurality of numbers and are respectively arranged on the first handle or the second handle at equal intervals.
Preferably, a tetrafluoro sealing ring is arranged in the sealing ring.
Preferably, the tetrafluoro sealing ring is made of expanded polytetrafluoroethylene materials.
Preferably, the first handle, the second handle and the valve body are respectively provided with fastening holes corresponding to each other, and the fastening holes are respectively connected through fixing bolts.
Preferably, the first handle and the second handle are respectively provided with an anti-slip sleeve, and the anti-slip sleeve is provided with a plurality of anti-slip bulges.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the velocity of flow of regulation medium that main valve plate and auxiliary valve plate's cooperation design can be fine, and auxiliary valve plate is less than the area of main valve plate, opens main valve plate and can increase the velocity of flow, opens auxiliary valve plate and can reduce the velocity of flow, in addition, the use angle of regulation main valve plate and auxiliary valve plate that the cooperation design of a plurality of screw holes can be fine on first handle and the second handle.
2. The polytetrafluoroethylene sealing ring is arranged in the sealing ring, has strong chemical inertia, has stable main chain temperature and is not easy to be corroded, and the service life of the polytetrafluoroethylene sealing ring is prolonged; in addition, the anti-slip sleeve and the anti-slip bulge are designed so that a user can not slip when gripping the first handle and the second handle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the first handle of fig. 1 according to the present invention.
In the figure: 1. a valve body; 2. a rotating shaft; 3. a main valve plate; 4. an auxiliary valve plate; 5. an auxiliary shaft; 6. a first handle; 7. A second handle; 8. a seal ring; 9. a threaded hole; 10. a fastening hole.
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.
Examples
Referring to fig. 1-2, a butterfly valve convenient for adjusting a flow rate includes a valve body 1, a rotation shaft 2 is inserted into an upper end surface of the valve body 1 in a penetrating and rotating manner, a main valve plate 3 matched with the valve body 1 is fixedly connected to a lower end of the rotation shaft 2, an auxiliary valve plate 4 is disposed at a central position of the main valve plate 3, through holes communicated with each other are disposed inside the main valve plate 3 and the rotation shaft 2, an auxiliary shaft 5 is disposed in the through holes, a bottom end of the auxiliary shaft 5 is connected to a top end of the auxiliary valve plate 4, a top end of the auxiliary shaft 5 extends out of the through holes, a first handle 6 is disposed at a top end of the auxiliary shaft, a second handle 7 is disposed on an outer circumferential wall of the rotation shaft. The bottom end of the main valve plate 3 is connected with the valve body 1 through a rotating shaft.
In a further embodiment, the first handle 6 and the second handle 7 are respectively provided with a threaded hole 9 corresponding to each other, and the first handle 6 and the second handle 7 are connected by a fastening bolt.
The first handle 6 and the second handle 7 are connected through a bolt, so that the first handle 6 and the second handle 7 can be bound together when in use, and the bolt connection facilitates the connection and the disassembly of the first handle 6 and the second handle 7.
In a further embodiment, the threaded holes 9 are provided in plurality and are respectively provided on the first handle 6 or the second handle 7 at equal intervals.
The design of the plurality of threaded holes 9 can adjust the use angle of the first handle 6 and the second handle 7, so that the use angle of the main valve plate 3 and the auxiliary valve plate 4 can be adjusted, and the flow rate of a medium can be controlled.
In a further specific embodiment, a tetrafluoro sealing ring is arranged in the sealing ring 8, and the tetrafluoro sealing ring is made of expanded polytetrafluoroethylene.
The polytetrafluoroethylene has strong chemical inertia, the main chain is stable in temperature and not easy to corrode, and the service life of the sealing ring is prolonged.
In a further embodiment, the first handle 6, the second handle 7 and the valve body 1 are respectively provided with mutually corresponding fastening holes 10, which are respectively connected by fixing bolts.
The first handle 6 and the second handle 7 can be fixed by the matching design of the fastening holes and the fixing bolts, and the rotation of the handles is prevented when the handles are not used.
In a further embodiment, the first handle 6 and the second handle 7 are respectively provided with an anti-slip sleeve, and a plurality of anti-slip protrusions are arranged on the anti-slip sleeve.
The anti-slip sleeve and the anti-slip bulge are designed so that the user can not slip when gripping the first handle 6 and the second handle 7.
In summary, the butterfly valve convenient for adjusting the flow rate can be used by a user according to actual conditions to select the main valve plate 3 or the auxiliary valve plate 4, or the main valve plate 3 and the auxiliary valve plate 4 are used together, the second handle 7 is rotated, thereby adjusting the rotation shaft 2, and hence the main valve plate 3, and the first handle 6, and hence the auxiliary shaft 5, and hence the auxiliary valve plate 4, in addition, the first handle 6 and the second handle 7 are respectively provided with a plurality of screw holes 9 corresponding to each other, during adjustment, the first handle 6 and the second handle 7 can be rotated according to a required angle, the first handle 6 and the second handle 7 are fastened together through a fastening bolt after the rotation is finished, when the butterfly valve is not used, the first handle 6, the second handle 7 and the valve body 1 are connected together through the fixing bolt, and the first handle 6 and the second handle 7 are prevented from rotating.
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 (7)
1. The utility model provides a butterfly valve convenient to adjust velocity of flow, includes valve body (1), its characterized in that, the up end of valve body (1) is run through to rotate and is pegged graft and have axis of rotation (2), the main valve plate (3) of lower extreme fixedly connected with matching valve body (1) of axis of rotation (2), the central point of main valve plate (3) puts and is provided with supplementary valve plate (4), main valve plate (3) and axis of rotation (2) inside are provided with the through-hole of intercommunication each other, are provided with auxiliary shaft (5) in this through-hole, and this auxiliary shaft (5) bottom is connected with the top of supplementary valve plate (4), the top of auxiliary shaft (5) is stretched out the through-hole and the top is provided with first handle (6), be provided with second handle (7) on the outer circular wall of axis of rotation (2), be provided with sealing ring (8) between.
2. A butterfly valve for facilitating the adjustment of a flow rate as defined in claim 1, wherein: the handle is characterized in that the first handle (6) and the second handle (7) are respectively provided with a threaded hole (9) corresponding to each other, and the first handle (6) and the second handle (7) are connected through a fastening bolt.
3. A butterfly valve for facilitating the adjustment of a flow rate as defined in claim 2, wherein: the threaded holes (9) are arranged in a plurality and are respectively arranged on the first handle (6) or the second handle (7) at equal intervals.
4. A butterfly valve for facilitating the adjustment of a flow rate as defined in claim 1, wherein: and a tetrafluoro sealing ring is arranged in the sealing ring (8).
5. A butterfly valve for facilitating the regulation of a flow rate as claimed in claim 4, wherein: the tetrafluoro sealing ring is made of expanded polytetrafluoroethylene materials.
6. A butterfly valve for facilitating the adjustment of a flow rate as defined in claim 1, wherein: the first handle (6), the second handle (7) and the valve body (1) are respectively provided with fastening holes (10) which correspond to each other and are respectively connected through fixing bolts.
7. A butterfly valve for facilitating the adjustment of a flow rate as defined in claim 1, wherein: the first handle (6) and the second handle (7) are respectively provided with an anti-slip sleeve, and a plurality of anti-slip bulges are arranged on the anti-slip sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270355.3U CN211901615U (en) | 2020-03-07 | 2020-03-07 | Butterfly valve convenient to adjust velocity of flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270355.3U CN211901615U (en) | 2020-03-07 | 2020-03-07 | Butterfly valve convenient to adjust velocity of flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901615U true CN211901615U (en) | 2020-11-10 |
Family
ID=73301128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020270355.3U Expired - Fee Related CN211901615U (en) | 2020-03-07 | 2020-03-07 | Butterfly valve convenient to adjust velocity of flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483979A (en) * | 2022-01-06 | 2022-05-13 | 潍柴动力股份有限公司 | Throttle valve, control method thereof, power equipment and vehicle |
| CN114542727A (en) * | 2022-02-23 | 2022-05-27 | 李德贵 | An industrial butterfly valve |
-
2020
- 2020-03-07 CN CN202020270355.3U patent/CN211901615U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483979A (en) * | 2022-01-06 | 2022-05-13 | 潍柴动力股份有限公司 | Throttle valve, control method thereof, power equipment and vehicle |
| CN114542727A (en) * | 2022-02-23 | 2022-05-27 | 李德贵 | An industrial butterfly valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |