CN214999467U - Eccentric long-life butterfly valve that leakproofness is good - Google Patents
Eccentric long-life butterfly valve that leakproofness is good Download PDFInfo
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- CN214999467U CN214999467U CN202120797716.4U CN202120797716U CN214999467U CN 214999467 U CN214999467 U CN 214999467U CN 202120797716 U CN202120797716 U CN 202120797716U CN 214999467 U CN214999467 U CN 214999467U
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- butterfly valve
- fixedly connected
- sealing ring
- sealing performance
- valve plate
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Abstract
The utility model discloses an eccentric long-life butterfly valve with good sealing performance, which comprises a butterfly valve main body, wherein the inner side of the butterfly valve main body is clamped and connected with a valve plate, the joint of the butterfly valve main body and the valve plate is provided with a sealing ring, the outer side of the sealing ring is fixedly connected with two supporting plates, the joint of the butterfly valve main body and the sealing ring is provided with a mounting groove, and two sides of the mounting groove are provided with three through grooves respectively, the eccentric long-life butterfly valve with good sealing performance can reduce the abrasion of the sealing ring caused by rotating the valve plate by extruding and supporting the supporting plates under the elastic force of a telescopic spring by pulling a pull ring to ensure that the sealing ring is not tightly fixed with the valve plate any more so as to prolong the service life of the butterfly valve, and the supporting plates are extruded and supported by the top beads to ensure that the sealing ring is tightly contacted with the valve plate and reduce the gap between the sealing ring and the valve plate, the sealing performance of the butterfly valve is improved.
Description
Technical Field
The utility model relates to a butterfly valve field specifically is a good eccentric long-life butterfly valve of leakproofness.
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 butterfly valve mainly has the functions of cutting off and throttling on a pipeline, but in the process of using the butterfly valve, the sealing performance of the butterfly valve is poor and the service life of the butterfly valve is shortened due to the fact that a sealing ring is abraded when the butterfly valve is opened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an eccentric long-life butterfly valve that leakproofness is good to the leakproofness of the butterfly valve that provides in solving above-mentioned background art is not good and can cause the problem that the sealing washer wearing and tearing lead to butterfly valve life to shorten when opening the butterfly valve.
In order to achieve the above object, the utility model provides a following technical scheme: an eccentric long-life butterfly valve with good sealing performance comprises a butterfly valve body, wherein a valve plate is clamped and connected to the inner side of the butterfly valve body, a sealing ring is arranged at the joint of the butterfly valve body and the valve plate, two supporting plates are fixedly connected to the outer side of the sealing ring, a mounting groove is formed at the joint of the butterfly valve body and the sealing ring, three through grooves are formed in the two sides of the mounting groove, supporting devices are fixedly arranged at the bottoms of the six through grooves and correspond to the three supporting devices, supporting plates are arranged correspondingly, a mounting seat is fixedly connected to the top end of the butterfly valve body, supporting rods are fixedly connected to the two sides of the top end of the mounting seat, a control box is fixedly connected to the top ends of the two supporting rods, a through hole is formed in the middle of the control box, a connecting seat is rotatably connected to the middle of the through hole, and a valve rod is fixedly connected to the bottom end of the connecting seat, the one end of valve rod passes the top fixed connection of mount pad and butterfly valve main part and valve plate in proper order, the top fixedly connected with axostylus axostyle of connecting seat, the top fixedly connected with manual wheel of axostylus axostyle.
As an optimal technical scheme of the utility model, six strutting arrangement all includes a pearl and expanding spring, expanding spring's one end fixedly connected with pushes up the pearl.
As a preferred technical scheme of the utility model, the bottom fixedly connected with unable adjustment base of butterfly valve main part, two mounting holes have been seted up to one side of unable adjustment base.
As an optimized technical scheme of the utility model, one side fixedly connected with handle on manual wheel top.
As a preferred technical scheme of the utility model, two the equal fixedly connected with stay cord in one side of backup pad, two the equal fixedly connected with pull ring in one side of stay cord.
As a preferred technical scheme of the utility model, one side threaded connection of through-hole has stop screw, stop screw's one end fixedly connected with changes the handle.
As a preferred technical scheme of the utility model, the draw-in groove has been seted up to one side of connecting seat, the draw-in groove corresponds the setting with stop screw.
Compared with the prior art, the beneficial effects of the utility model are that: the device simple structure, high durability and convenient operation, through the pulling pull ring, make the backup pad drive the sealing washer and remove along the mounting groove, make between sealing washer and the valve plate no longer closely fixed, reduce the wearing and tearing of rotating the valve plate to the sealing washer, improve the life of butterfly valve, get off through the spring action of ball-ejecting and extrude the support to the backup pad, and then extrude the support to the sealing washer, make sealing washer and valve plate in close contact with, reduce the gap between the two, improve the leakproofness of butterfly valve, spacing block through stop screw and draw-in groove, come to fix the position of connecting seat, and then come to fix the position of valve plate, avoid in the use not hard up liquid leakage that leads to of valve plate.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a front sectional view of the present invention;
FIG. 3 is a side sectional view of a portion of the present invention;
fig. 4 is an enlarged view of a portion a of the present invention.
In the figure: 1. a butterfly valve body; 2. a valve plate; 3. a seal ring; 4. a mounting seat; 5. a strut; 6. a control box; 7. a shaft lever; 8. a handle; 9. a hand-operated wheel; 10. a limit screw; 11. turning a handle; 12. a support plate; 13. a valve stem; 14. a card slot; 15. a connecting seat; 16. a top bead; 17. a tension spring; 18. pulling a rope; 19. a pull ring; 20. and fixing the base.
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.
Referring to fig. 1-4, the utility model provides an eccentric long-life butterfly valve with good sealing performance, which comprises a butterfly valve main body 1, a valve plate 2 is clamped and connected at the inner side of the butterfly valve main body 1, a sealing ring 3 is arranged at the joint of the butterfly valve main body 1 and the valve plate 2, two supporting plates 12 are fixedly connected at the outer side of the sealing ring 3, a mounting groove is arranged at the joint of the butterfly valve main body 1 and the sealing ring 3, three through grooves are respectively arranged at the two sides of the mounting groove, supporting devices are respectively and fixedly arranged at the bottom ends of the six through grooves, the corresponding three supporting devices are respectively arranged corresponding to the supporting plates 12, a mounting seat 4 is fixedly connected at the top end of the butterfly valve main body 1, supporting rods 5 are respectively and fixedly connected at the two sides of the top end of the mounting seat 4, a control box 6 is respectively and fixedly connected at the top ends of the two supporting rods 5, a through hole is arranged at the middle part of the control box 6, a connecting seat 15 is rotatably connected at the middle part of the through hole, a valve rod 13 is fixedly connected at the bottom end of the connecting seat 15, the one end of valve rod 13 passes mount pad 4 and the top fixed connection of butterfly valve main part 1 and valve plate 2 in proper order, and the top fixedly connected with axostylus axostyle 7 of connecting seat 15, the top fixedly connected with manual wheel 9 of axostylus axostyle 7.
Preferably, six strutting arrangement all include a pearl 16 and expanding spring 17, and expanding spring 17's one end fixedly connected with pushes up pearl 16, pushes up the support plate 12 through pushing up pearl 16 and getting off at expanding spring 17's elasticity effect and support, and then pushes up the support to sealing washer 3, makes sealing washer 3 and valve plate 2 in close contact with, reduces the gap between the two, improves butterfly valve main part 1's leakproofness.
Preferably, the bottom end of the butterfly valve main body 1 is fixedly connected with the fixing base 20, two mounting holes are formed in one side of the fixing base 20, and the fixing base 20 is convenient to fixedly mount the butterfly valve main body 1.
Preferably, one side fixedly connected with handle 8 on hand wheel 9 top, the setting of handle 8 is convenient for operating personnel to close and open the operation butterfly valve main part 1.
Preferably, the equal fixedly connected with stay cord 18 in one side of two backup pads 12, the equal fixedly connected with pull ring 19 in one side of two stay cords 18, through pulling pull ring 19, make backup pad 12 drive sealing washer 3 and remove along the mounting groove, make between sealing washer 3 and the valve plate 2 no longer closely fixed, reduce the wearing and tearing of rotating valve plate 2 to sealing washer 3, improve butterfly valve main part 1's life.
Preferably, one side threaded connection of through-hole has stop screw 10, and stop screw 10's one end fixedly connected with changes 11, and the spacing block through stop screw 10 and draw-in groove 14 fixes the position of connecting seat 15, and then fixes the position of valve plate 2, avoids valve plate 2 not hard up in the use to lead to liquid leakage.
Preferably, draw-in groove 14 has been seted up to one side of connecting seat 15, and draw-in groove 14 corresponds the setting with stop screw 10, and the spacing block through stop screw 10 and draw-in groove 14 fixes the position of connecting seat 15, and then fixes the position of valve plate 2, avoids in the use that valve plate 2 is not hard up to lead to liquid to leak.
When the butterfly valve is in a closed state, the support plate 12 is extruded and supported by the elastic force of the expansion spring 17 through the top bead 16, the seal ring 3 is extruded and supported by the support plate 12, the seal ring 3 is in close contact with the valve plate 2, a gap between the seal ring 3 and the valve plate 2 is reduced, the sealing performance of the butterfly valve is improved, and the limit screw 10 and the clamping groove 14 are clamped, fix the position of connecting seat 15, and then fix the position of valve plate 2, avoid valve plate 2 not hard up liquid leakage that leads to in the use.
Although the present invention 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 or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a good eccentric long-life butterfly valve of leakproofness, includes butterfly valve main part (1), its characterized in that: the butterfly valve comprises a butterfly valve body (1), a valve plate (2) is connected with the butterfly valve body (1) in a clamped mode at the inner side of the butterfly valve body, a sealing ring (3) is arranged at the joint of the butterfly valve body (1) and the valve plate (2), two supporting plates (12) are fixedly connected to the outer side of the sealing ring (3), a mounting groove is formed in the joint of the butterfly valve body (1) and the sealing ring (3), three through grooves are formed in the two sides of the mounting groove, supporting devices are fixedly arranged at the bottoms of the six through grooves and correspond to the three supporting devices, a mounting seat (4) is fixedly connected to the top end of the butterfly valve body (1), supporting rods (5) are fixedly connected to the two sides of the top end of the mounting seat (4), a control box (6) is fixedly connected to the top ends of the two supporting rods (5), a through hole is formed in the middle of the control box (6), and a connecting seat (15) is rotatably connected to the middle of the through hole, the bottom fixedly connected with valve rod (13) of connecting seat (15), the top fixed connection of mount pad (4) and butterfly valve main part (1) and valve plate (2) is passed in proper order to the one end of valve rod (13), the top fixedly connected with axostylus axostyle (7) of connecting seat (15), the top fixedly connected with manual wheel (9) of axostylus axostyle (7).
2. The eccentric long life butterfly valve with good sealing performance as claimed in claim 1, wherein: six strutting arrangement all includes top pearl (16) and expanding spring (17), the one end fixedly connected with of expanding spring (17) pushes up pearl (16).
3. The eccentric long life butterfly valve with good sealing performance as claimed in claim 1, wherein: the bottom fixedly connected with unable adjustment base (20) of butterfly valve main part (1), two mounting holes have been seted up to one side of unable adjustment base (20).
4. The eccentric long life butterfly valve with good sealing performance as claimed in claim 1, wherein: one side of the top end of the manual wheel (9) is fixedly connected with a handle (8).
5. The eccentric long life butterfly valve with good sealing performance as claimed in claim 1, wherein: one side of each of the two support plates (12) is fixedly connected with a pull rope (18), and one side of each of the two pull ropes (18) is fixedly connected with a pull ring (19).
6. The eccentric long life butterfly valve with good sealing performance as claimed in claim 1, wherein: one side of the through hole is in threaded connection with a limit screw (10), and one end of the limit screw (10) is fixedly connected with a rotating handle (11).
7. The eccentric long life butterfly valve with good sealing performance as claimed in claim 1, wherein: a clamping groove (14) is formed in one side of the connecting seat (15), and the clamping groove (14) is arranged corresponding to the limiting screw rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797716.4U CN214999467U (en) | 2021-04-19 | 2021-04-19 | Eccentric long-life butterfly valve that leakproofness is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797716.4U CN214999467U (en) | 2021-04-19 | 2021-04-19 | Eccentric long-life butterfly valve that leakproofness is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214999467U true CN214999467U (en) | 2021-12-03 |
Family
ID=79093743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120797716.4U Active CN214999467U (en) | 2021-04-19 | 2021-04-19 | Eccentric long-life butterfly valve that leakproofness is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214999467U (en) |
-
2021
- 2021-04-19 CN CN202120797716.4U patent/CN214999467U/en active Active
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