CN219796128U - Wear-resistant flange butterfly valve - Google Patents

Abstract

The utility model discloses a wear-resistant flange butterfly valve, which comprises a valve body, a valve neck, a valve rod, a first wear-resistant sleeve, an O-shaped ring, a third wear-resistant sleeve and a second wear-resistant sleeve, wherein the cross section of the valve body is a hollow circle, the valve rod vertically penetrates through the valve body, the valve neck is arranged above the valve body, the valve neck is connected with the upper surface of the valve rod, the wear-resistant flange butterfly valve further comprises the first wear-resistant sleeve, the O-shaped ring, the third wear-resistant sleeve and the second wear-resistant sleeve, the first wear-resistant sleeve, the third wear-resistant sleeve and the second wear-resistant sleeve are arranged between the valve body and the valve rod, the first wear-resistant sleeve is positioned at the top end of the valve body, the third wear-resistant sleeve is positioned at the bottom of the valve body, the second wear-resistant sleeve is arranged below the first wear-resistant sleeve, and the O-shaped ring is clamped at the center position of the first wear-resistant sleeve; the valve comprises a valve body, a valve rod, a valve plate, a rubber sleeve, a wear-resisting plate, a wear-resisting shell, a valve rod, a valve plate and a rubber sleeve, wherein the wear-resisting plate is arranged on the surface of the valve plate; the device has the advantages that under the condition of ensuring the tightness, the wear resistance is increased, and only part of damage parts need to be replaced during replacement, so that the cost is saved.

Description

Wear-resistant flange butterfly valve

Technical Field

The utility model relates to the field of butterfly valve bodies, in particular to a wear-resistant flange butterfly valve.

Background

The butterfly valve is generally composed of a valve body and a valve core, wherein a rotating shaft is arranged on the valve core, the rotating shaft of the valve core is arranged in a rotating shaft hole of a shaft column of the valve body, one end of the rotating shaft extends outwards from the rotating shaft hole of the valve body, and the valve core is controlled to rotate by a driving device, so that the valve body is controlled to be opened and closed.

The traditional butterfly valve needs a screw and a nut to connect the butterfly valve with a pipeline, and the mounting mode is complex and has low working efficiency. And the tightness of the valve body of the traditional butterfly valve has a certain problem, and the poor tightness leads to water leakage after long service time, thereby bringing trouble to customers and being unfavorable for long-term development.

In order to solve the technical problem, chinese patent application publication No. CN204239857U discloses a flange butterfly valve body, including the valve body and fixed upper valve neck that sets up in the upper end of valve body that has flange, upper valve neck that has flange becomes the i-shaped structure, the lower extreme of valve body still is equipped with down valve neck with upper valve neck symmetry, be equipped with the round muscle on the periphery of both ends about the valve body respectively, form the recess between two round muscle, both sides are equipped with the otic placode respectively in the recess of upper valve neck and lower valve neck and valve body junction, open there is the through-hole on the otic placode, still use the centre of a circle to be equipped with two fixed protrusions in the recess of valve body periphery as the centre of a circle symmetry, be equipped with the seal cover on the internal surface of valve body. The utility model has the advantages of simple structure, strong rigidity, easy installation, wear resistance, corrosion resistance and good sealing property. This structure has improved the leakproofness to a certain extent, but the valve body is wear-resisting inadequately, can only pull down the whole when wearing and tearing are serious and change, and life is not long enough, consequently, how to design a wearability good, and only need change the flange butterfly valve in wearing and tearing position when changing, is the technical problem that the present needs to be solved of the person of skill in the art.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme: the valve body is hollow, the valve rod vertically penetrates through the valve body, the valve neck is installed above the valve body, the valve neck is connected with the upper surface of the valve rod, the valve butterfly valve further comprises a first wear-resistant sleeve, an O-shaped ring, a third wear-resistant sleeve and a second wear-resistant sleeve, the first wear-resistant sleeve, the third wear-resistant sleeve and the second wear-resistant sleeve are installed between the valve body and the valve rod, the first wear-resistant sleeve is located at the top end of the valve body, the third wear-resistant sleeve is located at the bottom of the valve body, the second wear-resistant sleeve is installed below the first wear-resistant sleeve, and the O-shaped ring is clamped at the center of the first wear-resistant sleeve; still include wear strip, valve plate and gum cover, valve plate surface mounting has the antifriction plate, gum cover surface mounting has the antifriction shell, wear strip parcel is in the valve rod surface, the valve plate is installed the wear strip outside, the gum cover is installed the valve body internal surface.

Preferably, the valve neck structure further comprises a connecting plate and a manual handle, the size of the connecting plate is larger than that of the upper surface of the valve neck, the bottom of the connecting plate is welded on the upper surface of the valve neck, and the manual handle is installed on the upper surface of the connecting plate.

Preferably, the valve further comprises a plurality of taper pins, wherein the taper pins transversely penetrate through the valve rod, and two ends of the taper pins are connected with the valve plate.

Preferably, the valve body further comprises a plurality of mounting holes, and distances from the circle center of each mounting hole to the circle center of the valve body are consistent, and distances between every two mounting holes are consistent.

Preferably, the wear-resistant shell is tightly connected with the wear-resistant plate, and the thickness of the wear-resistant shell is consistent with that of the wear-resistant plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. by adding the wear-resistant shell and the wear-resistant plate, the wear resistance of the outer surface is greatly improved.

2. Through increasing first wear-resisting cover, wear strip, second wear-resisting cover and third wear-resisting cover, reduce the frictional force between the internal device, improve device life.

3. Through the cooperation of multilayer wear-resisting cover and adhesive tape, with liquid and the whole separation of gas outside, play the guard action, improve the leakproofness, prevent leaking.

4. When the device is worn and needs to be replaced, the whole butterfly valve does not need to be replaced, and only the wear-resistant sleeve, the adhesive tape, the wear-resistant strip, the wear-resistant shell and the wear-resistant plate need to be disassembled and replaced, so that the device can be used continuously, the service life of the device is prolonged, and the cost is saved.

Drawings

Fig. 1 is a perspective view of an embodiment of the present utility model.

Fig. 2 is a schematic view of a manual handle installation according to an embodiment of the present utility model.

Fig. 3 is a left side view of an embodiment of the present utility model.

FIG. 4 is a schematic view of a valve stem according to an embodiment of the present utility model.

FIG. 5 is a schematic view of an O-ring installation in accordance with an embodiment of the present utility model.

In the figure, the valve body 1, the valve neck 2, the connecting plate 3, the valve rod 4, the manual handle 5, the first wear-resistant sleeve 6, the 7.O ring 8, the wear-resistant plate 9, the taper pin 10, the valve plate 11, the wear-resistant shell 12, the third wear-resistant sleeve 13, the mounting hole 14, the rubber sleeve 15, the wear-resistant strip 16 and the second wear-resistant sleeve.

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.

1-5, a wear-resisting flange butterfly valve, including valve body 1, valve neck 2 and valve rod 4, valve body 1 cross section is hollow circle, and valve rod 4 vertically runs through valve body 1, and valve neck 2 installs in valve body 1 top, and valve neck 2 is connected with the upper surface of valve rod 4, its characterized in that: the novel valve further comprises a first wear-resistant sleeve 6, an O-shaped ring 7, a third wear-resistant sleeve 12 and a second wear-resistant sleeve 16, wherein the first wear-resistant sleeve 6, the third wear-resistant sleeve 12 and the second wear-resistant sleeve 16 are arranged between the valve body 1 and the valve rod 4, the first wear-resistant sleeve 6 is positioned at the top end of the valve body 1, the third wear-resistant sleeve 12 is positioned at the bottom of the valve body 1, the second wear-resistant sleeve 16 is arranged below the first wear-resistant sleeve 6, and the O-shaped ring 7 is clamped at the center of the first wear-resistant sleeve 6; the valve plate 10 is provided with a wear-resistant plate 8, the rubber sleeve 14 is provided with a wear-resistant shell 11, the wear-resistant strip 15 is wrapped on the outer surface of the valve rod 4, the valve plate 10 is arranged on the outer side of the wear-resistant strip 15, and the rubber sleeve 14 is arranged on the inner surface of the valve body 1; when the device is worn and needs to be replaced, the whole butterfly valve does not need to be replaced, and the wear-resistant sleeve, the adhesive tape, the wear-resistant strip, the wear-resistant shell and the wear-resistant plate only need to be disassembled and replaced, so that the device can be continuously used, the service life of the device is prolonged, and the cost is saved; through the cooperation of multilayer wear-resisting cover and adhesive tape, with liquid and the whole separation of gas outside, play the guard action, improve the leakproofness, prevent leaking.

1-5, the valve neck valve further comprises a connecting plate 3 and a manual handle 5, wherein the size of the connecting plate 3 is larger than that of the upper surface of the valve neck 2, the bottom of the connecting plate 3 is welded on the upper surface of the valve neck 2, and the manual handle 5 is arranged on the upper surface of the connecting plate 3; the rotation direction of the valve block on the valve rod can be controlled through the manual handle 5, so that the flow rate of liquid in the pipeline is controlled, and the pressure of the valve block is relieved for workers.

As shown in fig. 3-4, the valve rod further comprises a plurality of taper pins 9, wherein the taper pins 9 transversely penetrate through the valve rod 4, and two ends of the taper pins 9 are connected with a valve plate 10; the valve block can be disassembled through the taper pin, so that the abrasion degree of the internal device is observed, when the internal device is abraded, the butterfly valve can be continuously used only by disassembling and replacing the abrasion-resistant sleeve, a new valve is not required to be integrally replaced, and the cost is greatly reduced.

As shown in fig. 1-3, the valve body 1 further comprises a plurality of mounting holes 13, wherein the distance from the center of each mounting hole 13 to the center of the valve body 1 is consistent, and the distance between every two mounting holes 13 is consistent; through the installation of the consistent interval, the stress of each part is uniform in the working process, and the abrasion degree is consistent, so that the local abrasion is reduced, the integral replacement frequency caused by the local abrasion is prevented, and the service life of the device is prolonged.

As shown in fig. 3, the wear-resistant shell 11 and the wear-resistant plate 8 are tightly connected, and the thickness of the wear-resistant shell 11 is consistent with that of the wear-resistant plate 8; through tight connection, the wear resistance of the outer surface is greatly improved, and a first protection is provided for the device to block outside air and liquid.

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

Claims (5)

1. The utility model provides a wear-resisting flange butterfly valve, includes valve body (1), valve neck (2) and valve rod (4), valve body (1) cross section is hollow circle, valve rod (4) vertically runs through valve body (1), valve neck (2) are installed valve body (1) top, valve neck (2) with the upper surface of valve rod (4) is connected, its characterized in that: the novel valve comprises a valve body (1), and is characterized by further comprising a first wear-resistant sleeve (6), an O-shaped ring (7), a third wear-resistant sleeve (12) and a second wear-resistant sleeve (16), wherein the first wear-resistant sleeve (6), the third wear-resistant sleeve (12) and the second wear-resistant sleeve (16) are arranged between the valve body (1) and the valve rod (4), the first wear-resistant sleeve (6) is positioned at the top end of the valve body (1), the third wear-resistant sleeve (12) is positioned at the bottom of the valve body (1), the second wear-resistant sleeve (16) is arranged below the first wear-resistant sleeve (6), and the O-shaped ring (7) is clamped at the center of the first wear-resistant sleeve (6); still include wear strip (15), valve plate (10) and gum cover (14), valve plate (10) surface mounting has antifriction plate (8), gum cover (14) surface mounting has wear-resisting shell (11), wear strip (15) parcel is in valve rod (4) surface, valve plate (10) are installed wear strip (15) outside, gum cover (14) are installed valve body (1) internal surface.

2. The wear resistant flange butterfly valve of claim 1, wherein: still include connecting plate (3) and manual handle (5), the size of connecting plate (3) is greater than the size of valve neck (2) upper surface, connecting plate (3) bottom welding is in valve neck (2) upper surface, manual handle (5) are installed connecting plate (3) upper surface.

3. The wear resistant flange butterfly valve of claim 2, wherein: the valve rod is characterized by further comprising a plurality of taper pins (9), wherein the taper pins (9) transversely penetrate through the valve rod (4), and two ends of each taper pin (9) are connected with the valve plate (10).

4. A wear resistant flange butterfly valve according to claim 3, wherein: the valve body (1) further comprises a plurality of mounting holes (13), and the distances from the circle center of each mounting hole (13) to the circle center of the valve body (1) are consistent, and the distances between every two mounting holes (13) are consistent.

5. The wear resistant flange butterfly valve of claim 4, wherein: the wear-resistant shell (11) is tightly connected with the wear-resistant plate (8), and the thickness of the wear-resistant shell (11) is consistent with that of the wear-resistant plate (8).