CN209839172U - Assembled two-way spot welding butterfly valve of many specifications - Google Patents

Abstract

The utility model discloses a two-way spot welding butterfly valve of assembled many specifications, its structure includes valve body, base, worm gear reducer, switch hand wheel, butterfly plate, flowmeter and valve rod, the downside fixed connection of valve body is equipped with the base, the upside of valve body is equipped with the worm gear reducer, the fixing bolt interconnect that worm gear reducer and valve body pass through being equipped with, the connection is equipped with the switch hand wheel on worm gear reducer's the side, the centre of valve body is equipped with the butterfly plate, the butterfly plate comprises preceding butterfly plate and back butterfly plate, all be equipped with semi-circular arc chamber on preceding butterfly plate and the back butterfly plate, the welding of semi-circular arc intracavity on the back butterfly plate has the sleeve, be equipped with the axle sleeve in the sleeve, the axle sleeve passes through threaded connection in the sleeve, the valve rod runs through the setting in the axle sleeve. The utility model discloses a simple structure is reasonable, and the butterfly plate of forming through the spot welding mode is easily operated, conveniently changes and maintains, is applicable to the valve rod of multiple different specifications, and use cost is low, and long service life is sealed effectual.

Description

Assembled two-way spot welding butterfly valve of many specifications

Technical Field

The utility model relates to a valve manufacturing technology field specifically is a two-way spot welding butterfly valve of many specifications assembled.

Background

The butterfly valve is also called a flap valve, is a regulating valve with simple structure, can be used for on-off control of low-pressure pipeline media, can control the flow of the media by changing the deflection angle of a valve plate of the butterfly valve, can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and has wide application in engineering systems such as a producer, gas, natural gas, liquefied petroleum gas, urban gas, cold and hot air, chemical smelting, power generation, environmental protection, building water supply and drainage and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The butterfly valve and the butterfly plate of the butterfly valve in the prior art are usually integrally cast by a casting process, and have a plurality of defects, such as the requirement of a large amount of coal consumption in the casting process, high cost and high pollution, and particularly for the environmental protection problem which is increasingly regarded by China, a large amount of sulfur is generated in the casting process, and the sulfur is discharged into the air to cause serious pollution to the environment. The butterfly valve is in the use, and to some special properties's material can produce the inflation inhomogeneous under the influence of service temperature, and the valve rod easily appears and the dead phenomenon of position sleeve or connecting piece card, and the frictional force of increase transmission shaft forces the transmission shaft easily to twist off, leads to the valve can not normally work for equipment parking causes great loss. In addition, in the use, the valve rod loss of the butterfly valve is large, and most of butterfly plates matched with the valve rod are replaced together during replacement and maintenance, so that waste is caused, and the maintenance and replacement cost is increased. And the sealing ring on the butterfly plate is easy to wear and affect the sealing effect after being used for a long time. Therefore, aiming at the defects in the prior art, a multi-specification assembled bidirectional spot welding butterfly valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way spot welding butterfly valve of many specifications assembled has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a two-way spot welding butterfly valve of assembled many specifications, its structure includes valve body, base, worm gear reducer, switch hand wheel, butterfly plate, flowmeter and valve rod, the downside fixed connection of valve body is equipped with the base, the upside of valve body is equipped with worm gear reducer, worm gear reducer and valve body are through the fixing bolt interconnect who is equipped with, the connection is equipped with the switch hand wheel on worm gear reducer's the side, the centre of valve body is equipped with the butterfly plate, the butterfly plate comprises preceding butterfly plate and back butterfly plate, all be equipped with the semicircle chamber on preceding butterfly plate and the back butterfly plate, the welding of semicircle intracavity on the back butterfly plate has the sleeve, be equipped with the axle sleeve in the sleeve, the axle sleeve passes through threaded connection in the sleeve, the valve rod runs through the setting in the axle sleeve.

As a preferred embodiment of the present invention, the valve body is cylindrical and the entire body is made of carbon steel.

As a preferred embodiment of the utility model, preceding butterfly plate and back butterfly plate form complete valve body through spot welding mode interconnect, the outside of valve body is equipped with the sealing washer, the sealing washer is the becket bridle.

As an optimal implementation mode of the utility model, the outside of back butterfly plate is equipped with the reinforcement frame, the reinforcement frame is hemisphere hollow out construction.

As a preferred embodiment of the present invention, a flowmeter is fixedly connected to the right side of the valve body.

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

1. this assembled two-way spot welding butterfly valve of many specifications passes through the mode of spot welding and welds into complete butterfly plate with preceding butterfly plate and back butterfly plate, again through welded sleeve and detachable axle sleeve in the sleeve, the axle sleeve is dismantled to the difference that can conveniently change according to the big small dimension of valve rod diameter in the use to satisfy the valve rod of different diameters size, can repetitious usage, convenient change and maintenance, avoided the dead phenomenon of card to appear in the use valve rod, effectively reduce use cost.

2. The assembled bidirectional spot welding butterfly valve with multiple specifications is provided with the worm gear reducer, so that the butterfly plate has self-locking capacity, the butterfly plate can stop at any position, and the operating performance of the valve is improved; the sealing ring with the metal ring is more resistant to high temperature and corrosion, and has long service life; the butterfly plate is firmer and not easy to damage by arranging the reinforcing frame; through be equipped with the flowmeter on the valve body, conveniently look over the flow condition in the pipeline, the butterfly valve is in time adjusted in convenient cooperation.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a multi-specification assembled bidirectional spot welding butterfly valve of the present invention;

FIG. 2 is a left side view of the multi-specification assembled bidirectional spot welding butterfly valve of the present invention;

fig. 3 is a top view of a butterfly plate of the multi-specification assembled bidirectional spot welding butterfly valve of the present invention;

in the figure, a valve body-1, a base-2, a worm gear reducer-3, a switching hand wheel-4, a butterfly plate-5, a flowmeter-6, a valve rod-7, a fixing bolt-8, a front butterfly plate-9, a rear butterfly plate-10, a semicircular cavity-11, a sleeve-12, a shaft sleeve-13, a reinforcing frame-14 and a sealing ring-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.

Please refer to fig. 1-3, the present invention provides a technical solution:

a multi-specification assembled bidirectional spot welding butterfly valve structurally comprises a valve body 1, a base 2, a worm reducer 3, a switching hand wheel 4, a butterfly plate 5, a flow meter 6 and a valve rod 7, the lower side of the valve body 1 is fixedly connected with a base 2, the upper side of the valve body 1 is provided with a worm reducer 3, the worm reducer 3 is connected with the valve body 1 through a fixing bolt 8, a switch hand wheel 4 is connected on the side edge of the worm reducer 3, a butterfly plate 5 is arranged in the middle of the valve body 1, the butterfly plate 5 is composed of a front butterfly plate 9 and a rear butterfly plate 10, the front butterfly plate 9 and the rear butterfly plate 10 are both provided with a semicircular arc cavity 11, a sleeve 12 is welded in the semicircular arc cavity 11 on the rear butterfly plate 10, the sleeve 12 is internally provided with a shaft sleeve 13, the shaft sleeve 13 is connected in the sleeve 12 through threads, and the valve rod 7 is arranged in the shaft sleeve 13 in a penetrating mode.

As an optimal technical scheme in this embodiment, valve body 1 is the cylinder, and the entire body adopts carbon steel material to make and forms, and is more firm, not fragile, preceding butterfly plate 9 and back butterfly plate 10 form complete valve body 1 through spot welding mode interconnect, the outside of valve body 1 is equipped with sealing washer 15, sealing washer 15 is the becket, through the sealing washer 15 that is equipped with the becket, and high temperature and corrosion resistant more, long service life, the outside of back butterfly plate 10 is equipped with reinforcement frame 14, reinforcement frame 14 is hemisphere hollow out construction, makes butterfly plate 5 more firm, and is not fragile, fixedly connected with flowmeter 6 on the right side of valve body 1, through be equipped with flowmeter 6 on valve body 1, conveniently look over the flow condition in the pipeline, the butterfly valve is in time adjusted in convenient cooperation.

It should be noted that, when the multi-specification assembled bidirectional spot welding butterfly valve of the present invention is used, firstly, there is a structural understanding for the whole multi-specification assembled bidirectional spot welding butterfly valve, and the butterfly valve can be used more quickly when in use, firstly, the front butterfly plate 9 and the rear butterfly plate 10 are pressed by using a mold with a semi-circular arc model, the sleeve 12 is welded in the semi-circular arc cavity 11 corresponding to the rear butterfly plate 10, then, the front butterfly plate 9 and the rear butterfly plate 10 are welded correspondingly around to form the complete butterfly plate 5 by using a spot welding method, then, the shaft sleeve 13 is installed in the sleeve 12 by a threaded connection method, the valve rod 7 is penetrated in the shaft sleeve 13, the traditional integral casting is not needed, energy saving and environmental protection are provided, and the shaft sleeve 13 can be replaced and detached according to the different diameter specifications of the valve rod 7 in the using process, thereby, the valve rod 7 with different diameters can meet the technical problem that the valve rod 7 is easy to be stuck when the butterfly valve body 1 is used, the butterfly plate 5 can be repeatedly used for many times, the use cost is effectively reduced, and the worm reducer 3 is arranged, so that the butterfly plate 5 has self-locking capacity, the butterfly plate 5 can be stopped at any position, and the operation performance of the valve is improved; the sealing ring 15 with the metal ring is more resistant to high temperature and corrosion and has long service life; the butterfly plate 5 is firmer and not easy to damage by arranging the reinforcing frame 14; through being equipped with flowmeter 6 on valve body 1, conveniently look over the flow condition in the pipeline, the butterfly valve is in time adjusted in convenient cooperation.

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 (5)

1. The utility model provides a two-way spot welding butterfly valve of many specifications assembled, its structure includes valve body (1), base (2), worm gear reducer (3), switch hand wheel (4), butterfly plate (5), flowmeter (6) and valve rod (7), its characterized in that: the downside fixed connection of valve body (1) is equipped with base (2), the upside of valve body (1) is equipped with worm gear reducer (3), fixing bolt (8) interconnect through being equipped with worm gear reducer (3) and valve body (1), connect on the side of worm gear reducer (3) and be equipped with switch hand wheel (4), the centre of valve body (1) is equipped with butterfly plate (5), butterfly plate (5) comprise preceding butterfly plate (9) and back butterfly plate (10), all be equipped with semicircle arc chamber (11) on preceding butterfly plate (9) and back butterfly plate (10), semicircle arc chamber (11) internal weld on back butterfly plate (10) has sleeve (12), be equipped with axle sleeve (13) in sleeve (12), axle sleeve (13) are through threaded connection in sleeve (12), valve rod (7) run through the setting in axle sleeve (13).

2. The multi-specification assembled bidirectional spot welding butterfly valve according to claim 1, characterized in that: the valve body (1) is cylindrical, and the whole body is made of carbon steel.

3. The multi-specification assembled bidirectional spot welding butterfly valve according to claim 1, characterized in that: preceding butterfly plate (9) and back butterfly plate (10) form complete valve body (1) through spot welding mode interconnect, the outside of valve body (1) is equipped with sealing washer (15), sealing washer (15) are the becket bridle.

4. The multi-specification assembled bidirectional spot welding butterfly valve according to claim 1, characterized in that: the outer side of the rear butterfly plate (10) is provided with a reinforcing frame (14), and the reinforcing frame (14) is of a hemispherical hollow structure.

5. The multi-specification assembled bidirectional spot welding butterfly valve according to claim 1, characterized in that: and a flowmeter (6) is fixedly connected to the right side of the valve body (1).