CN219472753U - Double-valve-rod electric butterfly valve - Google Patents
Double-valve-rod electric butterfly valve Download PDFInfo
- Publication number
- CN219472753U CN219472753U CN202222638706.3U CN202222638706U CN219472753U CN 219472753 U CN219472753 U CN 219472753U CN 202222638706 U CN202222638706 U CN 202222638706U CN 219472753 U CN219472753 U CN 219472753U
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- valve
- side wall
- valve rod
- main
- seat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a double-valve-rod electric butterfly valve, which comprises a valve body, wherein a main valve seat is fixedly connected to the middle position of the upper side wall of the valve body, a main valve rod connecting seat is connected to the upper side wall of the main valve seat through bolts, a main connecting valve rod is connected to the middle position of the main valve rod connecting seat through threads, an external thread structure is arranged on the outer side wall of the main connecting valve rod, the main connecting valve rod is respectively connected with the main valve rod connecting seat and the main valve seat through the external thread structure, and a connecting valve plate is connected to the position, close to the lower end, of the outer side wall of the main connecting valve rod through threads. The standby valve rod is connected in the hole of the auxiliary valve plate of the connecting valve plate in a threaded manner, and the connecting valve plate can be controlled to rotate by rotating the standby valve rod.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a double-valve-rod electric butterfly valve.
Background
The butterfly valve has simple structure, small volume and light weight and is composed of only a few parts. And the valve can be opened and closed quickly by rotating by 90 degrees, is simple to operate, and has good fluid control characteristic. The butterfly plate of butterfly valve is installed in the diameter direction of pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, the rotation angle is between 0 and 90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state. When the flange butterfly valve is in the fully opened position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so that the pressure drop generated by the valve is small, and the valve has better flow control characteristics.
Through retrieving, chinese patent discloses a double valve rod butterfly valve (publication No. CN 206017765U), and this patent technique is equipped with upper valve rod and lower valve rod, and unable switch valve when avoiding single valve rod to drop, but upper valve rod and lower valve rod's work is not independent, and when upper valve rod is in use, lower valve rod also can together rotate, and long-term use gets down, and lower valve rod probably also can appear wearing and tearing and cause the fracture unable normal use.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a double-valve-rod electric butterfly valve, which is characterized in that a standby valve rod is arranged in a hole of a secondary valve plate of a connecting valve plate in a threaded manner, and the connecting valve plate can be controlled to rotate by rotating the standby valve rod.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a double valve rod electric butterfly valve, includes the valve body, the upper side wall intermediate position fixedly connected with main valve seat of valve body, the upper side wall bolted connection of main disk seat has main valve rod connecting seat, the intermediate position threaded connection of main valve rod connecting seat has main connecting valve rod, be provided with external screw thread structure on the lateral wall of main connecting valve rod, main connecting valve rod pass through external screw thread structure respectively with main valve rod connecting seat, main valve seat and valve body threaded connection, the lateral wall of main connecting valve rod is close to the position of lower extreme threaded connection has the connection valve plate, the main valve plate screw has been seted up to the upper side wall intermediate position of connection valve plate, main connecting valve rod bolted connection is in the main valve plate screw, the lateral wall threaded connection of connection valve plate is close to the position of upper end at the front side wall of connection valve plate and the position of main connecting valve rod front side wall, the lower side wall intermediate position of connection valve plate has seted up vice valve plate hole, the inside wall of vice valve plate hole has seted up interior threaded structure close to the position of upper end;
the auxiliary valve seat is fixedly connected to the middle position of the lower end face of the lower side wall of the valve body, the lower side wall of the auxiliary valve seat is connected with the auxiliary valve rod connecting seat through bolts, a standby valve rod is arranged in the auxiliary valve rod connecting seat and penetrates through the auxiliary valve rod connecting seat, the auxiliary valve seat and the middle position of the lower side wall of the valve body, an external thread structure is arranged on the outer side wall of the auxiliary valve rod connecting seat close to the upper end, and the position of the auxiliary valve rod connecting seat close to the upper end is arranged on the position of the auxiliary valve plate hole close to the lower end;
through above-mentioned technical scheme, utilize the helicitic texture to link up main connecting valve rod and valve body, main valve seat and main valve rod connecting seat, and use the valve plate connecting bolt can make the connection between main connecting valve rod and the connection valve plate more firm, can't fracture damage at main connecting valve rod, or when the unable circular telegram of valve rod motor, can unscrew the bolt on the sub valve rod connecting seat and take off the sub valve rod connecting seat, and with reserve valve rod threaded connection in the sub valve plate hole of connecting the valve plate, rotate reserve valve rod alright control connection valve plate and rotate, because when not using reserve valve rod, even if the valve plate rotates, reserve valve rod can not rotate, consequently main connecting valve rod and reserve valve rod mutually independent, mutual noninterfere, reserve valve rod can not damage because main connecting valve rod damages.
Further, valve plate sealing rings are fixedly connected to the two sides of the outer side wall of the connecting valve plate;
through above-mentioned technical scheme, valve plate sealing washer uses with fixed sealing washer cooperation.
Further, fixed sealing rings matched with the two valve plate sealing rings are fixedly connected to the two sides of the inner side wall of the valve body, and sealing ring movable grooves are respectively formed in the front side wall of the fixed sealing ring positioned at one side position and the rear side wall of the fixed sealing ring positioned at the other side position;
through above-mentioned technical scheme, when the butterfly valve is in under the off-state, fixed sealing washer and valve plate sealing washer can strengthen the holistic leakproofness of valve, and the sealing washer movable slot that sets up is offered according to the motion track of valve plate sealing washer, not only can laminate more at fixed sealing washer and valve plate sealing washer, can not cause the unable pivoted condition of valve plate sealing washer moreover.
Further, a feed port is formed at the position close to the front end of the front side wall of the connecting valve plate and the inner side wall of the valve body;
through the technical scheme, the medium is introduced into the valve body through the feed inlet.
Further, a feeding flange is fixedly connected to the position, close to the front end, of the outer side wall of the valve body;
through the technical scheme, the feeding flange is used for connecting feeding equipment.
Further, a discharge hole is formed at the position of the rear side wall of the connecting valve plate and the inner side wall of the valve body near the rear end;
through the technical scheme, the medium is led out of the valve body through the discharge hole.
Further, a discharging flange is fixedly connected to the position, close to the rear end, of the outer side wall of the valve body;
through above-mentioned technical scheme, utilize ejection of compact flange to be connected ejection of compact equipment with the valve body.
Further, the upper side wall of the main connecting valve rod is fixedly connected with a valve rod motor, and the movable end of the valve rod motor is fixedly connected with the valve rod motor;
through above-mentioned technical scheme, the valve rod motor drive main connection valve rod through setting up rotates.
The utility model has the following beneficial effects:
1. according to the utility model, the main connecting valve rod is driven to rotate by the valve rod motor, and the main connecting valve rod is used for connecting with the connecting valve plate so as to drive the connecting valve plate to rotate together, the valve plate sealing ring arranged on the connecting valve plate is matched with the fixed sealing ring to be used together, when the butterfly valve is in a cut-off state, the fixed sealing ring and the valve plate sealing ring can enhance the integral sealing performance of the valve, and the arranged sealing ring movable groove is formed according to the movement track of the valve plate sealing ring, so that the fixed sealing ring and the valve plate sealing ring can be attached together more, and the condition that the valve plate sealing ring cannot rotate is avoided.
2. In the utility model, when the main connecting valve rod cannot be broken or damaged or the valve rod motor cannot be electrified, the bolt on the auxiliary valve rod connecting seat can be unscrewed to take down the auxiliary valve rod connecting seat, the standby valve rod is connected in the auxiliary valve plate hole of the connecting valve plate in a threaded manner, and the rotation of the connecting valve plate can be controlled by rotating the standby valve rod.
3. In the utility model, when the spare valve rod is not used, even if the connecting valve plate rotates, the spare valve rod cannot rotate, so that the main connecting valve rod and the spare valve rod are mutually independent and are not affected, and the spare valve rod cannot be damaged due to the damage of the main connecting valve rod.
Drawings
FIG. 1 is a schematic diagram of a dual valve stem electric butterfly valve according to the present utility model;
FIG. 2 is a cross-sectional view of a dual valve stem electric butterfly valve in accordance with the present utility model;
FIG. 3 is a schematic diagram of a connecting valve plate of a double-valve-rod electric butterfly valve according to the present utility model;
fig. 4 is a schematic diagram of a fixed seal ring of a double-valve-rod electric butterfly valve according to the present utility model.
Legend description:
1. a valve body; 2. a feed inlet; 3. a discharge port; 4. a feed flange; 5. a discharge flange; 6. a main valve seat; 7. a main valve rod connecting seat; 8. a main connecting valve rod; 9. connecting a valve plate; 10. a valve plate connecting bolt; 11. a secondary valve plate orifice; 12. a sub-valve seat; 13. a secondary valve rod connecting seat; 14. a spare valve rod; 15. fixing a sealing ring; 16. a seal ring movable groove; 17. a valve plate seal ring; 18. a main valve plate screw hole; 19. a valve stem motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a double valve rod electric butterfly valve, including valve body 1, the last lateral wall intermediate position fixedly connected with main valve seat 6 of valve body 1, the last lateral wall bolted connection of main valve seat 6 has main valve rod connecting seat 7, the intermediate position threaded connection of main valve rod connecting seat 7 has main connecting valve rod 8, be provided with the external screw thread structure on the lateral wall of main connecting valve rod 8, main connecting valve rod 8 respectively with main valve rod connecting seat 7 through the external screw thread structure, main valve seat 6 and valve body 1 threaded connection, the lateral wall of main connecting valve rod 8 is close to the position threaded connection of lower extreme has connecting valve plate 9, main valve plate screw 18 has been seted up to the last lateral wall intermediate position of connecting valve plate 9, main connecting valve rod 8 bolted connection is in main valve plate screw 18, the position threaded connection of the preceding lateral wall of connecting valve plate 9 is close to the position of upper end at the preceding lateral wall of connecting valve plate 9 and the position of main connecting valve rod 8, vice valve plate hole 11 has been seted up to the lower lateral wall intermediate position of connecting valve plate 9 is close to the upper end, interior threaded structure has been seted up to the inside lateral wall of vice valve plate hole 11.
The lower side wall lower end face intermediate position fixedly connected with auxiliary valve seat 12 of valve body 1, the lower side wall bolted connection of auxiliary valve seat 12 has auxiliary valve rod connecting seat 13, and auxiliary valve rod 14 is installed to auxiliary valve rod connecting seat 13's internally mounted, and auxiliary valve rod 14 runs through auxiliary valve rod connecting seat 13, auxiliary valve seat 12 and the lower side wall intermediate position of valve body 1, and the lateral wall of auxiliary valve rod connecting seat 13 is provided with external screw thread structure near the position of upper end, and auxiliary valve rod connecting seat 13 is near the position of upper end setting near the lower extreme in auxiliary valve plate hole 11.
The valve plate sealing rings 17 are fixedly connected to the two sides of the outer side wall of the valve plate 9, the fixed sealing rings 15 matched with the two valve plate sealing rings 17 are fixedly connected to the two sides of the inner side wall of the valve body 1, the front side wall of the fixed sealing ring 15 positioned at one side and the rear side wall of the fixed sealing ring positioned at the other side are respectively provided with a sealing ring movable groove 16, and a feed inlet 2 is formed at the position, close to the front end, of the front side wall of the valve plate 9 and the inner side wall of the valve body 1.
The position of the outer side wall of the valve body 1 near the front end is fixedly connected with a feeding flange 4, a discharge hole 3 is formed at the position of the rear side wall of the connecting valve plate 9 and the inner side wall of the valve body 1 near the rear end, the position of the outer side wall of the valve body 1 near the rear end is fixedly connected with a discharge flange 5, the upper side wall of the main connecting valve rod 8 is fixedly connected with a valve rod motor 19, and the movable end of the valve rod motor 19 is fixedly connected with a valve rod motor 19.
Working principle: the main connecting valve rod 8 is driven to rotate through the arranged valve rod motor 19, the main connecting valve rod 8 is connected with the connecting valve plate 9, so that the connecting valve plate 9 is driven to rotate together, the valve plate sealing ring 17 arranged on the connecting valve plate 9 is matched with the fixed sealing ring 15 to be used together, when the butterfly valve is in a closed state, the fixed sealing ring 15 and the valve plate sealing ring 17 can strengthen the overall sealing performance of the valve, the arranged sealing ring movable groove 16 is formed according to the movement track of the valve plate sealing ring 17, the fixed sealing ring 15 and the valve plate sealing ring 17 can be attached to each other, the condition that the valve plate sealing ring 17 cannot rotate is avoided, the main connecting valve rod 8 cannot be broken and damaged, or the valve rod motor 19 cannot be electrified, the bolt on the auxiliary valve rod connecting seat 13 can be unscrewed to take off the auxiliary valve rod connecting seat 13, the auxiliary valve rod 14 is connected in the auxiliary valve plate hole 11 of the connecting valve plate 9 in a threaded mode, the rotation of the auxiliary valve rod 14 can control the connecting valve plate 9 to rotate, and the auxiliary valve rod 14 cannot rotate even if the connecting valve plate 9 rotates when the auxiliary valve rod 14 is not used, and the main connecting valve rod 8 and the auxiliary valve rod 14 cannot be mutually independent and mutually affected, and cannot be damaged because the auxiliary valve rod 8 cannot be damaged.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a double valve rod electric butterfly valve, includes valve body (1), its characterized in that: the middle position of the upper side wall of the valve body (1) is fixedly connected with a main valve seat (6), the middle position of the upper side wall of the main valve seat (6) is connected with a main valve rod connecting seat (7) through bolts, the middle position of the main valve rod connecting seat (7) is connected with a main connecting valve rod (8) through threads, the outer side wall of the main connecting valve rod (8) is respectively connected with the main valve rod connecting seat (7), the main valve seat (6) and the valve body (1) through threads, the position of the outer side wall of the main connecting valve rod (8) close to the lower end is connected with a connecting valve plate (9) through threads, a main valve plate screw hole (18) is formed in the middle position of the upper side wall of the connecting valve plate (9) through bolts, the position of the front side wall of the connecting valve plate (9) close to the upper end is connected with a valve plate connecting bolt (10) through threads, the position of the outer side wall of the connecting bolt (10) close to the upper end of the main valve rod is connected with the position of the front side wall of the main valve rod (8) close to the lower end through threads, and the position of the inner side wall of the main valve plate (8) close to the lower side wall of the main valve plate (8) is provided with a valve plate hole (11) close to the middle position of the inner side wall of the valve plate (11) is formed in the middle position of the connecting valve plate;
the valve is characterized in that a secondary valve seat (12) is fixedly connected to the middle position of the lower end face of the lower side wall of the valve body (1), a secondary valve rod connecting seat (13) is connected to the lower side wall of the secondary valve seat (12) through bolts, a standby valve rod (14) is mounted in the secondary valve rod connecting seat (13), the secondary valve seat (12) and the middle position of the lower side wall of the valve body (1) are penetrated through the standby valve rod (14), an external thread structure is arranged on the outer side wall of the secondary valve rod connecting seat (13) close to the upper end, and the position of the secondary valve rod connecting seat (13) close to the lower end of the secondary valve plate hole (11).
2. A dual valve stem electric butterfly valve according to claim 1, wherein: and valve plate sealing rings (17) are fixedly connected to the two sides of the outer side wall of the connecting valve plate (9).
3. A dual valve stem electric butterfly valve according to claim 2, wherein: fixed sealing rings (15) matched with the two valve plate sealing rings (17) are fixedly connected to the two sides of the inner side wall of the valve body (1), and sealing ring movable grooves (16) are respectively formed in the front side wall of the fixed sealing ring (15) located at one side position and the rear side wall of the fixed sealing ring located at the other side position.
4. A dual valve stem electric butterfly valve according to claim 1, wherein: the front side wall of the connecting valve plate (9) and the inner side wall of the valve body (1) are provided with a feed inlet (2) near the front end.
5. A dual valve stem electric butterfly valve according to claim 1, wherein: the feeding flange (4) is fixedly connected to the position, close to the front end, of the outer side wall of the valve body (1).
6. A dual valve stem electric butterfly valve according to claim 1, wherein: and a discharge hole (3) is formed at the position close to the rear end of the rear side wall of the connecting valve plate (9) and the inner side wall of the valve body (1).
7. A dual valve stem electric butterfly valve according to claim 1, wherein: the discharging flange (5) is fixedly connected to the position, close to the rear end, of the outer side wall of the valve body (1).
8. A dual valve stem electric butterfly valve according to claim 1, wherein: the upper side wall of the main connecting valve rod (8) is fixedly connected with a valve rod motor (19), and the movable end of the valve rod motor (19) is fixedly connected with the valve rod motor (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222638706.3U CN219472753U (en) | 2022-10-08 | 2022-10-08 | Double-valve-rod electric butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222638706.3U CN219472753U (en) | 2022-10-08 | 2022-10-08 | Double-valve-rod electric butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219472753U true CN219472753U (en) | 2023-08-04 |
Family
ID=87441472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222638706.3U Active CN219472753U (en) | 2022-10-08 | 2022-10-08 | Double-valve-rod electric butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219472753U (en) |
-
2022
- 2022-10-08 CN CN202222638706.3U patent/CN219472753U/en active Active
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