CN216200656U - Turbine butterfly valve - Google Patents
Turbine butterfly valve Download PDFInfo
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- CN216200656U CN216200656U CN202122758152.6U CN202122758152U CN216200656U CN 216200656 U CN216200656 U CN 216200656U CN 202122758152 U CN202122758152 U CN 202122758152U CN 216200656 U CN216200656 U CN 216200656U
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- filter screen
- valve
- valve body
- butterfly
- sliding groove
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Abstract
The utility model provides a turbine butterfly valve, includes valve body, valve rod, butterfly plate and turbine case, and in the valve rod stretched into the valve body by the valve body top, the valve rod lower extreme was fixed with butterfly plate rear end face, and the valve rod top is connected its characterized in that with the turbine case: the upper half part in the valve body is provided with an upper shaft sleeve, the upper shaft sleeve is sleeved on the upper half part of the valve rod, the upper end of the inner side edge of the liquid inlet of the valve body is provided with a filter screen mounting groove, a rolling screen type filter screen is mounted in the filter screen mounting groove, the side wall of the liquid inlet is provided with a filter screen sliding groove, two ends of the stretching end of the rolling screen type filter screen are embedded into the filter screen sliding groove and can slide up and down along the filter screen sliding groove, and the bottom end of the filter screen sliding groove is provided with a filter screen clamping groove; the outer edge of the front end face of the butterfly plate is provided with a pressing plate, a sealing ring is arranged between the pressing plate and the butterfly plate, and sealing is formed between the side wall of the sealing ring and the valve body.
Description
Technical Field
The utility model relates to the field of valves, in particular to a worm wheel butterfly valve.
Background
The butterfly valve is also called a flap valve, and is a regulating valve with a simple structure, the butterfly valve is one of indispensable objects in a pipeline, but after long-term use, impurities doped in the pipeline are easy to block the butterfly valve, and frequent opening and closing causes the edge of a butterfly plate of the butterfly valve to be damaged and sealing to fail, so that a butterfly valve capable of solving the problems is needed at present.
Disclosure of Invention
In order to solve the above problems, the present invention provides the following solutions:
a turbine butterfly valve comprises a valve body, a valve rod, a butterfly plate and a turbine box, wherein the valve rod extends into the valve body from the top end of the valve body, the lower end of the valve rod is fixed with the rear end face of the butterfly plate, the top end of the valve rod is connected with the turbine box, an upper shaft sleeve is arranged on the upper half part in the valve body, the upper shaft sleeve is arranged on the upper half part of the valve rod, a filter screen mounting groove is formed in the upper end of the inner side edge of a liquid inlet of the valve body, a roller shutter type filter screen is mounted in the filter screen mounting groove, a filter screen sliding groove is formed in the side wall of the liquid inlet, two ends of a stretching end of the roller shutter type filter screen are embedded into the filter screen sliding groove and can slide up and down along the filter screen sliding groove, and a filter screen clamping groove is formed in the bottom end of the filter screen sliding groove; the outer edge of the front end face of the butterfly plate is provided with a pressing plate, a sealing ring is arranged between the pressing plate and the butterfly plate, and sealing is formed between the side wall of the sealing ring and the valve body.
Furthermore, the outer side walls of the butterfly plate and the pressure plate are inclined planes with the outer diameters gradually increasing from front to back.
Furthermore, a sealing surface is inwards arranged on the inner wall of the liquid inlet of the valve body, the inner wall of the sealing surface is an inclined plane with the inner diameter gradually increasing from front to back, and the inclination of the inclined plane of the inner wall of the sealing surface is the same as that of the inclined plane of the butterfly plate and the outer side wall of the pressure plate.
Furthermore, the bottom surface of the stretching end of the filter screen of the roller shutter type filter screen is flush with the inner wall of the liquid inlet, and the side wall of the stretching end of the filter screen is sealed with the inner wall of the opening end of the filter screen clamping groove.
Furthermore, a packing groove is formed from the top end of the upper shaft sleeve to the upper end of the valve body, packing is arranged in the packing groove, and the packing is sealed by a packing gland.
The utility model has the beneficial effects that:
1. the roller shutter type filter screen is arranged, so that the filter screen can be pulled open or retracted according to the liquid passing condition, the butterfly valve is prevented from being blocked, and the service life of the butterfly valve is effectively prolonged;
2. the butterfly plate edge sets up the clamp plate and cooperates the sealing washer, effectively strengthens butterfly plate edge strength and strengthens sealed effect.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of portion A of FIG. 1;
fig. 3 is a schematic view of part B of fig. 1.
In the figure: 1. a valve body; 2. a valve stem; 3. a butterfly plate; 4. pressing a plate; 5. a seal ring; 6. a rolling screen type filter screen; 7. the filter screen is clamped with the groove; 8. a packing gland; 9. a filler; 10. a turbine box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. In the following description, certain specific details are set forth in order to provide a thorough understanding of the present invention. Rather, the utility model will be implemented without these specific details, i.e., those skilled in the art will more effectively describe the nature of their work to others skilled in the art using the description and presentation herein. Furthermore, it should be noted that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the scope of the actual protection. All the raw materials used in the following examples are commercially available products.
Example one
As shown in fig. 1-3, a turbine butterfly valve comprises a valve body 1, a valve rod 2, a butterfly plate 3 and a turbine box 10, wherein the valve rod 2 extends into the valve body 1 from the top end of the valve body 1, the lower end of the valve rod 2 is fixed with the rear end face of the butterfly plate 3, the top end of the valve rod 2 is connected with the turbine box 10, an upper shaft sleeve is arranged at the upper half part in the valve body 1 and sleeved on the upper half part of the valve rod 2, a packing groove is formed from the top end of the upper shaft sleeve to the upper end of the valve body 1, packing 9 is arranged in the packing groove, and the packing 9 is sealed by a packing gland 8; a filter screen mounting groove is formed in the upper end of the inner side edge of a liquid inlet of the valve body 1, a roller shutter type filter screen 6 is mounted in the filter screen mounting groove, a filter screen sliding groove is formed in the side wall of the liquid inlet, two ends of a stretching end of the roller shutter type filter screen 6 are embedded into the filter screen sliding groove and can slide up and down along the filter screen sliding groove, and a filter screen clamping groove 7 is formed in the bottom end of the filter screen sliding groove; the outer edge of the front end face of the butterfly plate 3 is provided with a pressing plate 4, a sealing ring 5 is arranged between the pressing plate 4 and the butterfly plate 3, and sealing is formed between the side wall of the sealing ring 5 and the valve body 1.
Further, the outer side walls of the butterfly plate 3 and the pressing plate 4 are inclined planes with the outer diameters gradually increasing from front to back.
Further, a sealing surface is inwards arranged on the inner wall of the liquid inlet of the valve body 1, the inner wall of the sealing surface is an inclined plane with the inner diameter gradually increasing from front to back, and the inclination of the inclined plane of the inner wall of the sealing surface is the same as that of the inclined planes of the butterfly plate 3 and the outer side wall of the pressure plate 4.
Furthermore, the bottom surface of the stretching end of the filter screen of the roller shutter type filter screen 6 is flush with the inner wall of the liquid inlet, and the side wall of the stretching end of the filter screen is provided with a seal with the inner wall of the opening end of the filter screen clamping groove.
Further, the side of the roller shutter type filter screen 6 is provided with a filter screen sealing block with the same width as the filter screen sliding groove, and when the filter screen is pulled open, the filter screen sealing block seals the filter screen sliding groove.
When in use, if the impurities in the liquid are less, the butterfly valve can be normally used; when impurity is more in the liquid, will roll up the tensile end of curtain formula filter screen 6 and draw down along the filter screen sliding tray, will roll up the tensile end embedding filter screen card of curtain formula filter screen 6 at last and establish the inslot, the filter screen covers butterfly valve feed liquor end this moment, and the filter screen filters the impurity of liquid in with the pipeline, prevents that large granule impurity from getting into in the butterfly valve, avoids the butterfly valve to block up. 3 outside edges of butterfly plate set up clamp plate 4, set up sealing washer 5 between clamp plate 4 and the butterfly plate 3, and sealing washer 5 forms sealedly with the interior sealed face of 1 feed inlet of valve body, effectively strengthens 3 marginal intensity of butterfly plate, strengthens sealed effect simultaneously, effectively prolongs butterfly valve life.
The rolling curtain type filter screen is arranged, so that the filter screen can be pulled open or retracted according to the liquid passing condition, the butterfly valve is prevented from being blocked, and the service life of the butterfly valve is effectively prolonged; the butterfly plate edge sets up the clamp plate and cooperates the sealing washer, effectively strengthens butterfly plate edge strength and strengthens sealed effect.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments above are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for those skilled in the art, there may be variations in the embodiments, specific implementations and application ranges according to the present invention, and in summary, the present disclosure should not be construed as limiting the present invention.
Claims (6)
1. The utility model provides a turbine butterfly valve, includes valve body, valve rod, butterfly plate and turbine case, and in the valve rod stretched into the valve body by the valve body top, the valve rod lower extreme was fixed with butterfly plate rear end face, and the valve rod top is connected its characterized in that with the turbine case: the upper half part in the valve body is provided with an upper shaft sleeve, the upper shaft sleeve is sleeved on the upper half part of the valve rod, the upper end of the inner side edge of the liquid inlet of the valve body is provided with a filter screen mounting groove, a rolling screen type filter screen is mounted in the filter screen mounting groove, the side wall of the liquid inlet is provided with a filter screen sliding groove, two ends of the stretching end of the rolling screen type filter screen are embedded into the filter screen sliding groove and can slide up and down along the filter screen sliding groove, and the bottom end of the filter screen sliding groove is provided with a filter screen clamping groove; the outer edge of the front end face of the butterfly plate is provided with a pressing plate, a sealing ring is arranged between the pressing plate and the butterfly plate, and sealing is formed between the side wall of the sealing ring and the valve body.
2. A turbine butterfly valve as claimed in claim 1, wherein: the outer side walls of the butterfly plate and the pressure plate are inclined planes with the outer diameters gradually increasing from front to back.
3. A turbine butterfly valve as claimed in claim 2, wherein: the inner wall of the liquid inlet of the valve body is inwards provided with a sealing surface, the inner wall of the sealing surface is an inclined plane with the inner diameter gradually increasing from front to back, and the inclination of the inclined plane of the inner wall of the sealing surface is the same as that of the inclined planes of the butterfly plate and the outer side wall of the pressure plate.
4. A turbine butterfly valve as claimed in claim 1, wherein: the bottom surface of the stretching end of the filter screen of the roller shutter type filter screen is flush with the inner wall of the liquid inlet, and the side wall of the stretching end of the filter screen is sealed with the inner wall of the opening end of the filter screen clamping groove.
5. A turbine butterfly valve as claimed in claim 1, wherein: the side of the roller shutter type filter screen is provided with a filter screen sealing block with the same width as the filter screen sliding groove, and when the filter screen is pulled open, the filter screen sealing block seals the filter screen sliding groove.
6. A turbine butterfly valve as claimed in claim 1, wherein: and a packing groove is formed from the top end of the upper shaft sleeve to the upper end of the valve body, packing is arranged in the packing groove, and the packing is sealed by a packing gland.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122758152.6U CN216200656U (en) | 2021-11-11 | 2021-11-11 | Turbine butterfly valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122758152.6U CN216200656U (en) | 2021-11-11 | 2021-11-11 | Turbine butterfly valve |
Publications (1)
Publication Number | Publication Date |
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CN216200656U true CN216200656U (en) | 2022-04-05 |
Family
ID=80909748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122758152.6U Active CN216200656U (en) | 2021-11-11 | 2021-11-11 | Turbine butterfly valve |
Country Status (1)
Country | Link |
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CN (1) | CN216200656U (en) |
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2021
- 2021-11-11 CN CN202122758152.6U patent/CN216200656U/en active Active
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