CN218267277U

CN218267277U - Novel double-eccentric type sealing butterfly valve

Info

Publication number: CN218267277U
Application number: CN202222018885.0U
Authority: CN
Inventors: 林剑; 林友义
Original assignee: Zhejiang Huachi Valve Co ltd
Current assignee: Zhejiang Huachi Valve Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-01-10
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a novel sealed butterfly valve of two eccentric formulas, including valve body, ring flange, sealing washer and threaded rod, the outside of valve body is equipped with the ring flange, the sealing washer is inlayed to the inside of ring flange, the back fixed connection threaded rod of sealing washer, the jack is seted up to the inside of ring flange, the threaded rod runs through the jack, the back of ring flange is equipped with the packing ring, the threaded rod is located the inside of packing ring, the outside of threaded rod is through the threaded connection nut. This novel two eccentric seal butterfly valves has the sealing washer through the outside of ring flange is inlayed, when needs are changed the sealing washer, only need twist off the nut at the ring flange back, then use tool strikes the threaded rod, can strike out the sealing washer from the inside of ring flange, the sealing washer that updates after that can, very convenience when the maintenance is changed, overall structure is simple, and the practicality is stronger.

Description

Novel double-eccentric type sealing butterfly valve

Technical Field

The utility model relates to the technical field of valves, specifically a novel sealed butterfly valve of two eccentric formulas.

Background

Through the retrieval, chinese granted patent number is CN 211288784U's patent, discloses a novel two eccentric type sealed butterfly valve, including upper end cover, work cavity, lead screw and valve, the inside vertical lead screw of installing of work cavity, and the inside axle sleeve that is provided with of work cavity in the lead screw outside, and one side welded valve of axle sleeve, the winding of valve outside has the arc cover, and the work cavity inner wall of valve outside is provided with the second sealing washer, the work cavity top is provided with the upper end cover, and the inside of upper end cover is provided with the mounting panel, the inside second mounting groove that transversely is provided with the through mounting panel of upper end cover, the both ends of work cavity bottom all are provided with the connecting axle. The utility model discloses a valve outside winding arc cover and the cooperation of first sealing washer, when the valve takes place to rotate, oppress first sealing washer and take place to remove to make the second spring compression of first clamp plate one side, avoided the wearing and tearing between sealing washer and part, improved life.

The above patents have the following problems in use: butterfly valve in the above-mentioned patent is inconvenient to change the sealing washer structure at the in-process of using, in case the sealing washer appears wearing and tearing after having passed through long-time use, higher to its degree of difficulty of changing, it is not convenient enough during the operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a novel two eccentric seal butterfly valves has solved the problem that proposes in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel butterfly valve is sealed to two eccentric formulas, includes valve body, ring flange, sealing washer and threaded rod, the outside of valve body is equipped with the ring flange, the sealing washer is inlayed to the inside of ring flange, the back fixed connection threaded rod of sealing washer, the jack is seted up to the inside of ring flange, the threaded rod runs through the jack, the back of ring flange is equipped with the packing ring, the threaded rod is located the inside of packing ring, threaded connection nut is passed through in the outside of threaded rod.

Preferably, the top of the valve body is provided with a shaft seat, a shaft rod is mounted inside the shaft seat, a valve plate is arranged outside the shaft rod, and the valve plate is located inside the valve body.

Preferably, the top of the shaft rod is fixedly connected with a fixed block, and a rotating ring is mounted outside the fixed block.

Preferably, the surface of the flange plate is provided with an annular groove, and the sealing ring is embedded in the annular groove.

Preferably, a through hole is formed in the annular groove, a circular hole is formed in the surface of the sealing ring, and the circular hole covers the outside of the through hole.

Preferably, the number of the threaded rods is two, the threaded rods are symmetrically distributed, and the insertion holes and the gaskets correspond to each other.

(III) advantageous effects

The utility model provides a novel two eccentric seal butterfly valves. The method has the following beneficial effects:

this novel two eccentric seal butterfly valves, it has the sealing washer to inlay through the outside at the ring flange, and adopt the threaded rod to consolidate at the back of sealing washer, just so can utilize the sealing washer to reach excellent sealed effect at the in-process of using at first, then when needs are changed the sealing washer, only need twist off the nut at the ring flange back, then use tool strikes the threaded rod, can strike out the sealing washer from the inside of ring flange, then more renew the sealing washer can, very convenience when the maintenance is changed, overall structure is simple, therefore, the practicality is stronger.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the flange plate of the present invention;

fig. 3 is a side view of the valve body of the present invention;

fig. 4 is a schematic view of the sealing ring structure of the present invention.

In the figure, a valve body-1, a flange-2, a shaft seat-3, a shaft lever-4, a valve plate-5, a fixed block-6, a rotating ring-7, a perforation-8, a sealing ring-9, an annular groove-10, a round hole-11, an insertion hole-12, a threaded rod-13, a gasket-14 and a nut-15.

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, an embodiment of the present invention provides a technical solution: the utility model provides a novel sealed butterfly valve of two eccentric formulas, includes valve body 1, ring flange 2, sealing washer 9 and threaded rod 13, the outside of valve body 1 is equipped with ring flange 2, sealing washer 9 is inlayed to ring flange 2's inside, sealing washer 9's back fixed connection threaded rod 13, jack 12 is seted up to ring flange 2's inside, threaded rod 13 runs through jack 12, ring flange 2's the back is equipped with packing ring 14, threaded rod 13 is located packing ring 14's inside, threaded connection nut 15 is passed through to threaded rod 13's outside, connects through adopting threaded rod 13 before sealing washer 9 and ring flange 2, like this very convenience when needs are changed to the maintenance of sealing washer 9, labour saving and time saving during the operation.

The top of valve body 1 is equipped with axle bed 3, the internally mounted axostylus axostyle 4 of axle bed 3, the outside of axostylus axostyle 4 is equipped with valve plate 5, valve plate 5 is located the inside of valve body 1, owing to the axle bed 3 that is equipped with combines axostylus axostyle 4, can improve the smoothness nature of axostylus axostyle 4 when rotatory, avoids appearing the condition of blocking.

The top fixed connection fixed block 6 of axostylus axostyle 4, the externally mounted swivel becket 7 of fixed block 6 combines swivel becket 7 through the fixed block 6 that is equipped with, has improved the joint strength between axostylus axostyle 4 and the swivel becket 7.

The surface of the flange plate 2 is provided with an annular groove 10, the sealing ring 9 is embedded in the annular groove 10, the annular groove 10 is arranged on the surface of the flange plate 2 to be connected with the sealing ring 9, and the connection strength is high by adopting an embedding mode.

The inner part of the annular groove 10 is provided with a through hole 8, the surface of the sealing ring 9 is provided with a round hole 11, the round hole 11 covers the outer part of the through hole 8, and the through hole 8 and the round hole 11 can be used for penetrating a fastener to be installed on a pipeline, so that the functionality is strong.

The quantity of threaded rod 13 is equipped with two, threaded rod 13 is the symmetric distribution form, correspond each other between jack 12 and the packing ring 14, owing to the packing ring 14 structure that is equipped with, can improve intensity and stability of nut 15 when screwing up, played locking effect not hard up.

The working principle is as follows: when using this novel two eccentric seal butterfly valves, only need to install this butterfly valve and can put into use on the pipeline that corresponds, when needs block liquid, rotatory swivel becket 7 drives the axostylus axostyle 4 of bottom and rotates, make valve plate 5 horizontal can accomplish blocking liquid in the inside of valve body 1, and when needs make liquid flow pass through, reverse rotation swivel becket 7 drives axostylus axostyle 4 and the valve plate 5 of bottom rotatory, liquid can normally circulate from valve body 1 after valve plate 5 is opened, at last along with the increase of this butterfly valve live time, when wearing and tearing need be changed appear in the sealing washer 9 at its both ends, at first dismantle valve body 1, then connect through adopting threaded rod 13 and nut 15 between ring flange 2 and sealing washer 9, only need unscrew threaded rod 15 at the flange 2 back during the operation, then use tool strikes 13, can knock out sealing washer 9 from the inside of ring flange 2, it can to insert the inside of ring channel 10 after that more renew sealing washer 9, very convenience when the maintenance is changed.

The utility model discloses a valve body 1, ring flange 2, axle bed 3, axostylus axostyle 4, valve plate 5, fixed block 6, swivel ring 7, perforation 8, sealing washer 9, ring channel 10, round hole 11, jack 12, threaded rod 13, packing ring 14, nut 15, the part is the part that general standard spare or technical personnel in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel two eccentric seal butterfly valves which characterized in that: including valve body (1), ring flange (2), sealing washer (9) and threaded rod (13), the outside of valve body (1) is equipped with ring flange (2), sealing washer (9) are inlayed to the inside of ring flange (2), back fixed connection threaded rod (13) of sealing washer (9), jack (12) are seted up to the inside of ring flange (2), jack (12) are run through in threaded rod (13), the back of ring flange (2) is equipped with packing ring (14), threaded rod (13) are located the inside of packing ring (14), threaded connection nut (15) are passed through to the outside of threaded rod (13).

2. The novel double-eccentric sealing butterfly valve according to claim 1, characterized in that: the valve is characterized in that a shaft seat (3) is arranged at the top of the valve body (1), a shaft rod (4) is arranged inside the shaft seat (3), a valve plate (5) is arranged outside the shaft rod (4), and the valve plate (5) is located inside the valve body (1).

3. The novel double-eccentric sealing butterfly valve according to claim 2, characterized in that: the top of the shaft lever (4) is fixedly connected with a fixed block (6), and a rotating ring (7) is arranged outside the fixed block (6).

4. The novel double-eccentric sealing butterfly valve according to claim 1, characterized in that: an annular groove (10) is formed in the surface of the flange plate (2), and the sealing ring (9) is embedded in the annular groove (10).

5. The novel double-eccentric sealing butterfly valve according to claim 4, characterized in that: a through hole (8) is formed in the annular groove (10), a round hole (11) is formed in the surface of the sealing ring (9), and the round hole (11) covers the outer portion of the through hole (8).

6. The novel double-eccentric sealing butterfly valve according to claim 1, characterized in that: the number of the threaded rods (13) is two, the threaded rods (13) are symmetrically distributed, and the insertion holes (12) and the gaskets (14) correspond to each other.