CN211649091U

CN211649091U - Practice thrift U type marine flange butterfly valve in space

Info

Publication number: CN211649091U
Application number: CN202020065441.0U
Authority: CN
Inventors: 戴煜权
Original assignee: Jingjiang Fuyuan Ship Fittings Co ltd
Current assignee: Jingjiang Fuyuan Ship Fittings Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-09
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a space-saving U-shaped marine flange butterfly valve, which belongs to the technical field of flange butterfly valves and comprises a valve body, wherein a protective pipe is fixed at the top of the valve body, an oil inlet is arranged at the top of the protective pipe, a vertical shaft lever is arranged inside the protective pipe, a transverse gear is arranged at the top end of the vertical shaft lever, and a vertical gear is meshed and connected with the top of the transverse gear. The friction between the vertical gear and the transverse gear is reduced, and the use is convenient.

Description

Practice thrift U type marine flange butterfly valve in space

Technical Field

The utility model belongs to the technical field of the flange dish valve, concretely relates to practice thrift marine flange dish valve of U type in space.

Background

The butterfly valve is also called a flap valve and can be used for on-off control of pipeline media. A butterfly valve refers to a valve in which a closing member (a valve flap or a butterfly plate) rotates around a valve shaft to open and close, and mainly performs a cutting and throttling function on a pipeline. Its main structural style includes central line butterfly valve, eccentric butterfly valve, double eccentric butterfly valve, triple eccentric butterfly valve, etc., its advantages are small rotating moment, flexible operation, simple structure and convenient use. The butterfly valve is suitable for pipelines for conveying various corrosive and non-corrosive fluid media in engineering systems such as producer furnaces, coal gas, natural gas, liquefied petroleum gas, urban gas, cold and hot air, chemical smelting, power generation, environmental protection and the like, and is used for adjusting and cutting off the flow of the media, however, various butterfly valves on the market still have various problems.

Present flange butterfly valve, because the hand wheel is vertical setting, therefore, the engagement mode of two gears is connected for the right angle meshing, and after using the butterfly valve for a long time, frictional force grow between the gear, user's working strength has been increased, consequently, need add lubricating oil to the gear, current butterfly valve interpolation lubricating oil is convenient inadequately, and the connected mode between sealing ring and the butterfly valve is too simple, can make after the valve disc multitime rotation between sealing ring and the butterfly valve not hard up, it is stable inadequately, we propose a U type marine flange dish valve who practices thrift the space for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a practice thrift U type marine flange butterfly valve in space to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a U-shaped marine flange butterfly valve capable of saving space comprises a valve body, a protective pipe is fixed at the top of the valve body, the top of the protective pipe is provided with an oil inlet, a vertical shaft lever is arranged inside the protective pipe, a transverse gear is arranged at the top end of the vertical shaft lever, the top of the transverse gear is connected with a vertical gear in a meshing way, a transverse shaft lever is fixed on one side of the vertical gear, a hand wheel is fixed at the tail end of the transverse shaft lever, a sealing rubber ring is fixed in the middle of the interior of the valve body through a plurality of clamping beads, a plurality of grooves are arranged on the outer surface of the sealing rubber ring, a valve disc is fixed below the outer surface of the vertical shaft rod through an eccentric shaft, and the eccentric shaft vertically penetrates through the sealing rubber ring, one side of the valve body is provided with a threaded pipe, the outer surface of the threaded pipe is in threaded connection with a threaded sleeve, and a filter screen is arranged in the middle of the threaded sleeve.

Preferably, the clamping bead is provided with a plurality of clamping beads, the clamping beads are located inside the groove, and the clamping beads are matched with the groove.

Preferably, a plurality of the clamping beads are distributed on the inner surface of the valve body in an annular array shape, and the clamping beads are welded with the valve body.

Preferably, the inner diameter of the sealing rubber ring gradually increases from the central position to both sides.

Preferably, the filter screen is detached from the valve body through a threaded sleeve.

Preferably, two flanges are arranged on the outer surface of the valve body and are parallel to each other.

Preferably, the eccentric shaft is welded to the valve disc, and the outer surface of the valve disc is smooth.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this kind of practice thrift marine flange butterfly valve of U type in space, the oil inlet has been seted up in the top of protecting tube, and be provided with the stopper at the oil inlet, use the butterfly valve for a long time at the user, experience behind the rotatory required power increase of hand wheel, the user can extract the stopper, pour into lubricating oil into in the protecting tube by the oil inlet, because vertical gear is located the oil inlet under, lubricating oil can drip on vertical gear after getting into, then the user is at rotatory hand wheel, can make the even cover of lubricating oil on vertical gear and horizontal gear, the frictional force between vertical gear and the horizontal gear has been reduced, and convenient to use.

(2) This kind of practice thrift marine flange butterfly valve of U type in space, internal surface fixed at the valve body has a plurality of card pearls, the surface of sealing rubber ring is seted up flutedly, card pearl joint is in the recess, the internal diameter of sealing rubber ring is located by the intermediate position simultaneously and is progressively increased to both sides, therefore, when using this butterfly valve, when the valve disc is rotatory, can extrude the inboard of sealing rubber ring, under the effect of card pearl and recess, can closely fix sealing rubber ring, prevent it not hard up, the stability of sealing rubber ring has been improved, and convenient use.

(3) This kind of practice thrift marine flange butterfly valve of U type in space has the thread bush through screwed pipe connection in one side of valve body, puts the department at the central point of thread bush and installs the filter screen, can filter the fluid, has improved the life of butterfly valve, avoids the impurity adhesion in the butterfly valve, and the convenience is changed the filter screen simultaneously, is fit for promoting.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the valve body of the present invention;

FIG. 3 is a schematic side sectional view of the valve body of the present invention;

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

fig. 5 is an enlarged schematic structural diagram of the present invention a.

In the figure: 1. a valve body; 2. a flange; 3. a threaded pipe; 4. a threaded sleeve; 5. filtering with a screen; 6. a hand wheel; 7. a transverse shaft; 8. a vertical gear; 9. a vertical shaft lever; 10. a bearing; 11. sealing the rubber ring; 12. a valve disc; 13. an eccentric shaft; 14. an oil inlet; 15. a protective tube; 16. clamping the beads; 17. a groove; 18. a transverse gear.

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. 1-5, the utility model provides a space-saving U-shaped marine flange butterfly valve, which comprises a valve body 1, a protective tube 15 is fixed on the top of the valve body 1, an oil inlet 14 is arranged on the top of the protective tube 15, a vertical shaft rod 9 is arranged in the protective tube 15, a transverse gear 18 is arranged on the top end of the vertical shaft rod 9, the top of the transverse gear 18 is engaged with a vertical gear 8, a transverse shaft rod 7 is fixed on one side of the vertical gear 8, a hand wheel 6 is fixed on the end of the transverse shaft rod 7, a sealing rubber ring 11 is fixed in the middle of the valve body 1 through a plurality of clamping beads 16, a plurality of grooves 17 are arranged on the outer surface of the sealing rubber ring 11, a valve disc 12 is fixed on the lower part of the outer surface of the vertical shaft rod 9 through an eccentric shaft 13, the eccentric shaft 13 vertically penetrates through the sealing rubber ring 11, a threaded pipe 3 is arranged on one side of the valve body, a filter screen 5 is arranged in the middle of the threaded sleeve 4.

In order to improve the connection tightness between the sealing rubber ring 11 and the valve body 1, in the present embodiment, it is preferable that the plurality of clamping beads 16 are provided, and the plurality of clamping beads 16 are located inside the groove 17, and the clamping beads 16 are adapted to the groove 17.

In order to improve the stability of the sealing rubber ring 11 and prevent the sealing rubber ring 11 from loosening, in the present embodiment, preferably, a plurality of clamping beads 16 are distributed on the inner surface of the valve body 1 in an annular array, and the clamping beads 16 are welded to the valve body 1.

The sealing performance between the sealing rubber ring 11 and the valve disc 12 can be improved, and in this embodiment, it is preferable that the inner diameter of the sealing rubber ring 11 gradually increases from the center position to both sides.

Can filter the fluid, facilitate the use, in this embodiment, preferably, filter screen 5 is dismantled with valve body 1 through thread bush 4 and is set up.

In order to facilitate the installation of the valve body 1 and improve the simplicity of the installation of the valve body 1, in the embodiment, it is preferable that two flanges 2 are installed on the outer surface of the valve body 1, and the two flanges 2 are parallel to each other.

In order to improve the stability of the valve disc 12, in the present embodiment, it is preferable that the eccentric shaft 13 is welded to the valve disc 12 and the outer surface of the valve disc 12 is smooth.

The utility model discloses a theory of operation and use flow: the space-saving U-shaped marine flange butterfly valve has the advantages that after a user uses a butterfly valve for a long time and feels that the force required by the rotation of a hand wheel 6 is increased, the user can pull out a plug and inject lubricating oil into a protective pipe 15 from an oil inlet 14, the lubricating oil can drip on a vertical gear 8 after entering because the vertical gear 8 is positioned right below the oil inlet 14, then the user can uniformly cover the vertical gear 8 and a transverse gear 18 by rotating the hand wheel 6, so that the friction force between the vertical gear 8 and the transverse gear 18 is reduced, when the space-saving U-shaped marine flange butterfly valve is used, a valve disc 12 rotates and can extrude the inner side of a sealing rubber ring 11, the sealing rubber ring 11 can be tightly fixed under the action of a clamping bead 16 and a groove 17, one side of a valve body 1 is connected with a threaded sleeve 4 through a threaded pipe 3, a filter screen 5 is arranged at the center of the threaded sleeve 4, and fluid can be filtered, the service life of the butterfly valve is prolonged, impurities are prevented from being adhered to the butterfly valve, and the filter screen 5 is convenient to replace.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a practice thrift marine flange butterfly valve of U type in space, includes valve body (1), its characterized in that: a protective pipe (15) is fixed on the top of the valve body (1), an oil inlet (14) is formed in the top of the protective pipe (15), a vertical shaft rod (9) is installed inside the protective pipe (15), a transverse gear (18) is installed at the top end of the vertical shaft rod (9), a vertical gear (8) is connected to the top of the transverse gear (18) in a meshed mode, a transverse shaft rod (7) is fixed on one side of the vertical gear (8), a hand wheel (6) is fixed at the tail end of the transverse shaft rod (7), a sealing rubber ring (11) is fixed in the middle of the inside of the valve body (1) through a plurality of clamping beads (16), a plurality of grooves (17) are formed in the outer surface of the sealing rubber ring (11), a valve disc (12) is fixed below the outer surface of the vertical shaft rod (9) through an eccentric shaft (13), and the eccentric shaft (13) vertically penetrates through the sealing rubber ring (, one side of valve body (1) is provided with screwed pipe (3), the surface threaded connection of screwed pipe (3) has thread bush (4), filter screen (5) are installed to the intermediate position department of thread bush (4).

2. A space saving U-shaped marine flange butterfly valve according to claim 1, wherein: the clamping beads (16) are arranged in a plurality of positions, the clamping beads (16) are located in the grooves (17), and meanwhile the clamping beads (16) are matched with the grooves (17).

3. A space saving U-shaped marine flange butterfly valve according to claim 1, wherein: the clamping beads (16) are distributed on the inner surface of the valve body (1) in an annular array shape, and the clamping beads (16) are welded with the valve body (1).

4. A space saving U-shaped marine flange butterfly valve according to claim 1, wherein: the inner diameter of the sealing rubber ring (11) gradually increases from the center to two sides.

5. A space saving U-shaped marine flange butterfly valve according to claim 1, wherein: the filter screen (5) is detached from the valve body (1) through the threaded sleeve (4).

6. A space saving U-shaped marine flange butterfly valve according to claim 1, wherein: the outer surface of the valve body (1) is provided with two flanges (2), and the two flanges (2) are parallel to each other.

7. A space saving U-shaped marine flange butterfly valve according to claim 1, wherein: the eccentric shaft (13) is welded with the valve disc (12), and the outer surface of the valve disc (12) is smooth.