CN211852829U - Tri-eccentric butterfly valve with improved torque - Google Patents
Tri-eccentric butterfly valve with improved torque Download PDFInfo
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- CN211852829U CN211852829U CN201922309428.5U CN201922309428U CN211852829U CN 211852829 U CN211852829 U CN 211852829U CN 201922309428 U CN201922309428 U CN 201922309428U CN 211852829 U CN211852829 U CN 211852829U
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Abstract
The utility model provides a three eccentric butterfly valves that moment of torsion improved. The triple offset butterfly valve that moment of torsion improved, including the connector, the top fixedly connected with support of connector, the top of support is rotated and is connected with actuating mechanism, actuating mechanism's bottom fixedly connected with valve rod, the bottom cover on valve rod surface is equipped with two valve rod lugs, two fixedly connected with butterfly plate between the left side of valve rod lug, the right side fixedly connected with butterfly plate of butterfly plate is the back flow restraining head, the front flow guiding head of left side fixedly connected with butterfly plate of butterfly plate. The utility model provides a triple offset butterfly valve that moment of torsion was improved is provided with and presses down the flow head behind butterfly plate front flow head and the butterfly plate, and butterfly plate front flow head is used for guiding the medium flow, avoids the medium direct impact butterfly face, and presses down the main purpose of flow head behind the butterfly plate to prevent that the medium from torrent from appearing at the butterfly plate rear portion, and this device structure is streamlined better, and the medium flows more steadily, and the butterfly plate is more stable.
Description
Technical Field
The utility model relates to a moment of torsion valve field especially relates to a three eccentric butterfly valves that moment of torsion improved.
Background
The butterfly valve is a valve product widely used in chemical, medicine and metallurgy industries. Compared with other valves, the butterfly valve has the advantages of short structural length, light weight and dual functions of adjustment and cutting off, so that more and more butterfly valves are selected by customers in the current market, and the market potential is huge.
The stroke of the existing butterfly valve is 90 degrees in the working process, and when the butterfly valve is opened to the range of 60 degrees to 70 degrees, the torque has a very large peak value, and in the range, because of the difference of the flowing states of media on two sides of the butterfly plate, the butterfly plate shakes violently when working in the area.
Therefore, it is necessary to provide a triple offset butterfly valve with improved torque to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a three eccentric butterfly valves that moment of torsion improved has solved the problem of the violent shake of butterfly plate at the course of the work at current butterfly valve in the course of the work.
For solving the technical problem, the utility model provides a pair of triple offset butterfly valve that moment of torsion improved includes the connector, the top fixedly connected with support of connector, the top of support is rotated and is connected with actuating mechanism, actuating mechanism's bottom fixedly connected with valve rod, the bottom cover on valve rod surface is equipped with two valve rod lugs, two fixedly connected with butterfly plate between the left side of valve rod lug, flow restraining head behind the right side fixedly connected with butterfly plate of butterfly plate, flow restraining head before the left side fixedly connected with butterfly plate of butterfly plate.
Preferably, both sides of the actuating mechanism are fixedly connected with actuating bodies, and one sides of the two actuating bodies, which are away from each other, are in threaded connection with twisting bolts.
Preferably, the top of the actuating mechanism is fixedly connected with an actuating cover plate, the top of the connecting body is provided with a sealing element, and the bottom of the sealing element is provided with a sealing ring.
Preferably, the bottom of the connecting body is fixedly connected with a valve body, and a medium channel is arranged inside the valve body.
Preferably, the top on valve body right side is provided with colluding type sealing lamella, the bottom on valve body right side is provided with bottom layer sealing lamella.
Preferably, the bottom of the valve body is fixedly connected with a valve underframe, and the top of the valve underframe is provided with a groove body.
Preferably, the bottom of the valve rod is fixedly connected with a rolling ball.
Compared with the prior art, the utility model provides a three eccentric butterfly valves that moment of torsion improved have following beneficial effect:
the utility model provides a torque improved triple offset butterfly valve, the device is internally provided with a butterfly plate with a unique structure, an oval butterfly plate front flow-guiding head is added on the flow-facing surface of the butterfly plate, the radian of the butterfly plate front flow-guiding head is close to 60 degrees (60 degrees with the pipeline center and 30 degrees with the butterfly plate center), thereby when the valve is opened to 60 degrees, the butterfly plate front flow-guiding head can effectively guide the fluid to stably circulate to the sealing surface of the butterfly plate and a valve seat, the butterfly plate shake caused by the direct impact of the medium on the surface of the butterfly plate is avoided, the back surface of the butterfly plate is provided with an oval butterfly plate rear flow-restraining head with a bigger radian, the radian is slightly smaller than 45 degrees, thereby under the condition of not influencing the opening and closing of the valve, the circulation space of the valve is occupied as much as possible, the turbulence of the medium at the back of the butterfly plate is avoided, the shake of the butterfly plate is caused, the butterfly plate rear flow-restraining head behind the butterfly plate, the radian is, the butterfly plate front flow suppression device is used for guiding media to flow and avoiding direct impact of the media on the surface of a butterfly plate, the main working range of the butterfly plate front flow suppression head is 60-70 degrees, and the main purpose of the butterfly plate rear flow suppression head is to prevent turbulence of the media at the rear part of the butterfly plate, so that the butterfly plate front flow suppression head is more streamlined, and the butterfly plate rear flow suppression head occupies areas generating turbulence as much as possible on the premise of meeting rotation and processing of the butterfly plate, and balances unbalanced force of the media.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a triple offset butterfly valve with improved torque according to the present invention;
FIG. 2 is a cross-sectional view of the valve shown in FIG. 1;
FIG. 3 is a schematic view of the movement of the butterfly plate shown in FIG. 1;
FIG. 4 is a schematic structural view of the butterfly plate shown in FIG. 1;
FIG. 5 is a side view of the structure of the butterfly plate shown in FIG. 1.
Reference numbers in the figures: 1. a linker; 2. a support; 3. an actuator; 4. a valve stem; 5. a valve stem lug; 6. A father; 7. a butterfly plate rear flow suppression head; 8. a butterfly plate front guide head; 9. an execution body; 10. twisting the bolt; 11. executing a cover plate; 12. a seal member; 13. a seal ring; 14. a valve body; 15. a media channel; 16. a hook-shaped sealing flap; 17. a bottom layer seal flap; 18. a valve chassis; 19. a trough body; 20. the beads were rolled.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a triple offset butterfly valve with improved torque according to the present invention; FIG. 2 is a cross-sectional view of the valve shown in FIG. 1; FIG. 3 is a schematic view of the movement of the butterfly plate shown in FIG. 1; FIG. 4 is a schematic structural view of the butterfly plate shown in FIG. 1; FIG. 5 is a side view of the structure of the butterfly plate shown in FIG. 1. The torque-improved triple eccentric butterfly valve comprises a connecting body 1, wherein the top of the connecting body 1 is fixedly connected with a support 2, the top of the support 2 is rotatably connected with an actuating mechanism 3, the bottom of the actuating mechanism 3 is fixedly connected with a valve rod 4, the bottom of the surface of the valve rod 4 is sleeved with two valve rod lugs 5, a butterfly plate 6 is fixedly connected between the left sides of the two valve rod lugs 5, the right side of the butterfly plate 6 is fixedly connected with a rear butterfly plate flow-inhibiting head 7, the left side of the butterfly plate 6 is fixedly connected with a front butterfly plate flow-inhibiting head 8, the connecting body 1 is special in shape and plays a role in connecting the whole butterfly valve and forming the whole butterfly valve body, the left side of the connecting body can be connected with a valve body 14, the right side bottom of the connecting body is connected with a valve bottom frame 18, the valve body 14 is also connected with the valve, the support 2 plays a supporting role and is used for supporting a butterfly valve top device, the actuating mechanism 3 can rotate at the top of the support 2, two valve rod lugs 5 are arranged and are arranged at the bottom of the valve rod 4, the radian of the front flow-restraining head 8 of the butterfly plate is close to 60 degrees (60 degrees is formed by the radian of the front flow-restraining head and the center of the butterfly plate is 30 degrees), and the radian of the rear flow-restraining head 7 of the butterfly plate is slightly smaller than 45 degrees.
The two sides of the actuating mechanism 3 are fixedly connected with actuating bodies 9, one sides of the two actuating bodies 9, which are separated from each other, are in threaded connection with twisting bolts 10, the actuating mechanism 3 and the actuating bodies 9 jointly form a switch for controlling a butterfly valve, and the twisting bolts 10 are used for connecting the actuating mechanism 3 and the actuating bodies 9.
The top fixedly connected with of actuating mechanism 3 carries out apron 11, and the top of connector 1 is provided with sealing member 12, and the bottom of sealing member 12 is provided with sealing washer 13, and sealing member 12 and the cooperation of sealing washer 13 play sealed effect for valve rod 4 can not arouse the medium leakage at the rotation in-process.
The bottom of the connector 1 is fixedly connected with a valve body 14, a medium channel 15 is arranged inside the valve body 14, the valve body 14 can be used for connecting other equipment, an opening for medium to pass through is arranged at some time, and an opening is arranged at the horizontal position of the connector 1 and the valve body 14 channel and can enable the medium to pass through.
The top on valve body 14 right side is provided with colluding type sealing lamella 16, and the bottom on valve body 14 right side is provided with bottom layer sealing lamella 17, colludes type sealing lamella 16 and sets up on valve body 14, can play the sealing action, and bottom layer sealing lamella 17 sets up in valve body 14 the latter half, and is the same with colluding type sealing lamella 16 shape, plays the sealing action simultaneously.
The bottom of the valve body 14 is fixedly connected with a valve underframe 18, the top of the valve underframe 18 is provided with a groove body 19, the joint of the valve underframe 18, the valve body 14 and the connector 1 has a sealing effect, no medium leakage occurs, and meanwhile, the groove body 19 arranged at the top of the valve underframe 18 can enable the valve rod 4 to pass through and rotate in the groove body 19.
The bottom fixedly connected with of valve rod 4 rolls pearl 20, and the support 2 and connector 1 are run through in proper order to the bottom of valve rod 4, and can rotate in support 2, connector 1, valve body 14 and valve chassis 18, rolls pearl 20 smooth surfaces, the frictional force that produces when reducible rotation.
The utility model provides a three eccentric butterfly valves's that moment of torsion is improved theory of operation as follows:
the device is provided with a rotatable actuating mechanism 3, when a valve needs to be closed or the medium flow is reduced to enable a rotatable actuating body 9, the actuating mechanism 3 is rotationally connected with a support 2, the actuating mechanism 3 can be driven by the actuating body 9 to rotate, so that a valve rod 4 fixedly connected with the bottom of the actuating mechanism 3 rotates, two valve rod lugs 5 rotate by the rotation of the valve rod 4, a butterfly plate 6 is driven to rotate, a front flow restraining head 8 and a rear flow restraining head 7 of the butterfly plate rotate along with the butterfly plate 6, a medium flows through a medium channel 15, the flowing medium cannot directly impact on the butterfly plate due to the fact that the front flow restraining head 8 of the butterfly plate is in an oval shape, the main working range of the front flow restraining head 8 of the butterfly plate is 60-70 degrees, and the rear flow restraining head 7 of the butterfly plate can prevent the medium from generating turbulence at the rear part of the butterfly plate, so that violent shaking caused by the medium impacting the butterfly plate 6 is, the sealing member 12 that the connector 1 top set up is the annular, and the sealing washer 13 that the sealing member 12 bottom set up centers on whole valve rod 4 for valve rod 4 is sealed with the junction of connector 1, can not appear leaking the condition of medium, and when the butterfly plate 6 was rotatory when being close certain angle under the drive of valve rod 4, whole butterfly valve can block and block that the medium flows, thereby reaches and closes the effect.
Compared with the prior art, the utility model provides a three eccentric butterfly valves that moment of torsion improved have following beneficial effect:
the butterfly plate 6 with the unique structure is installed inside the device, an oval butterfly plate front flow guiding head 8 is added on the flow facing surface of the butterfly plate, the radian of the butterfly plate front flow guiding head 8 is close to 60 degrees (60 degrees is formed by the butterfly plate and the center of a pipeline), so that when the valve is opened to 60 degrees, the butterfly plate front flow guiding head 8 can effectively guide fluid to stably circulate towards the butterfly plate 6 and the sealing surface of a valve seat, the shaking of the butterfly plate 6 caused by the fact that the medium directly impacts the surface of the butterfly plate 6 is avoided, the flow restraining head 7 with the oval butterfly plate with the larger radian is designed on the back of the butterfly plate 6, the radian is slightly smaller than 45 degrees, and therefore under the condition that the opening and closing of the valve are not influenced, the flow space of the valve is occupied as much as possible, the turbulent flow of the medium behind the butterfly plate 6 is avoided, and the shaking of the butterfly plate 6 is. The radian of the rear butterfly plate flow suppression head 7 behind the butterfly plate 6 is higher than that of the front butterfly plate flow suppression head 8 in front of the butterfly plate 6, because the front butterfly plate flow suppression head 8 is used for guiding medium flow and avoiding direct impact of the medium on the surface of the butterfly plate, the main working range of the front butterfly plate flow suppression head 8 is 60-70 degrees, and the main purpose of the rear butterfly plate flow suppression head 7 is to prevent the medium from generating turbulence at the rear part of the butterfly plate 6, so the front butterfly plate flow suppression head 8 is more streamlined, and the rear butterfly plate flow suppression head 7 occupies areas generating turbulence as much as possible on the premise of meeting the rotation, machining and the like of the butterfly plate 6, so that the unbalanced force of the medium is balanced, the device has a better streamlined structure, the medium flows more stably, and the butterfly plate 6 is more stable.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A torque improved triple offset butterfly valve comprising a connection body (1), characterized in that: the top fixedly connected with support (2) of connector (1), the top of support (2) is rotated and is connected with actuating mechanism (3), the bottom fixedly connected with valve rod (4) of actuating mechanism (3), the bottom cover on valve rod (4) surface is equipped with two valve rod lugs (5), two fixedly connected with butterfly plate (6) between the left side of valve rod lug (5), flow restraining head (7) behind the right side fixedly connected with butterfly plate of butterfly plate (6), flow guiding head (8) are led to the left side fixedly connected with butterfly plate of butterfly plate (6).
2. The torque improved triple offset butterfly valve according to claim 1, characterized in that the actuator (3) is fixedly connected with an actuator (9) on both sides, and the two actuators (9) are screwed with a twist bolt (10) on the side away from each other.
3. The torque improved triple offset butterfly valve according to claim 1, characterized in that an actuator cover plate (11) is fixedly connected to the top of the actuator (3), a sealing member (12) is provided on the top of the connecting body (1), and a sealing ring (13) is provided on the bottom of the sealing member (12).
4. The torque improved triple offset butterfly valve according to claim 1, characterized in that a valve body (14) is fixedly connected to the bottom of the connecting body (1), and a medium passage (15) is provided inside the valve body (14).
5. The torque improved triple offset butterfly valve according to claim 4, characterized in that the top of the right side of the valve body (14) is provided with a hook-type sealing flap (16) and the bottom of the right side of the valve body (14) is provided with a bottom layer sealing flap (17).
6. The triple offset butterfly valve with improved torque according to claim 4, wherein the bottom of the valve body (14) is fixedly connected with a valve underframe (18), and the top of the valve underframe (18) is provided with a groove body (19).
7. The torque improved triple offset butterfly valve according to claim 1, characterized in that a rolling ball (20) is fixedly connected to the bottom of the valve stem (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309428.5U CN211852829U (en) | 2019-12-20 | 2019-12-20 | Tri-eccentric butterfly valve with improved torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309428.5U CN211852829U (en) | 2019-12-20 | 2019-12-20 | Tri-eccentric butterfly valve with improved torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211852829U true CN211852829U (en) | 2020-11-03 |
Family
ID=73216217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922309428.5U Active CN211852829U (en) | 2019-12-20 | 2019-12-20 | Tri-eccentric butterfly valve with improved torque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211852829U (en) |
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2019
- 2019-12-20 CN CN201922309428.5U patent/CN211852829U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220921 Address after: Room 399, No. 88, Xingda Road, Dachang Street, Jiangbei New District, Nanjing City, Jiangsu Province, 210044 Patentee after: Nanjing Deweier Fluid Equipment Co.,Ltd. Address before: No. 32, Bofu Road, Zhongshan Science and Technology Park, Jiangbei New District, Nanjing City, Jiangsu Province, 210048 Patentee before: Nanjing Saiman fluid equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |