CN210531638U - Butterfly valve is with sealing washer that resistance to wears - Google Patents

Abstract

The utility model discloses an anti-wear sealing ring for a butterfly valve, which comprises an annular round body, wherein a first positioning step and a second positioning step are integrally formed on the left side and the right side of the outer wall of the annular round body, the surfaces of the first positioning step and the second positioning step are sleeved with a wear-resistant rubber pad through adhesive glue, reinforcing ribs are welded on the surfaces of the first positioning step and the second positioning step which are mutually seen, the rubber pad is sleeved on the middle side of the outer wall of the annular round body, an anti-corrosion paint layer is uniformly coated on the surface of the annular round body, the reinforcing ribs are fixed with the outer wall of the annular round body through welding, the anti-wear sealing ring for the butterfly valve is not easy to have serious wear problems by arranging the wear-resistant rubber pad and the anti-corrosion paint layer on equipment, after the sealing ring is used for a long time, the sealing performance of the butterfly, the corrosion phenomenon is not easy to occur.

Description

Butterfly valve is with sealing washer that resistance to wears

Technical Field

The utility model relates to a butterfly valve sealing washer technical field specifically is a butterfly valve is with sealing washer that resistance to wears.

Background

The butterfly valve is also called a flap valve, and is a regulating valve with a simple structure, the 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 mainly plays a role in cutting off and throttling on a pipeline, 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 regulating purpose is achieved, the butterfly valve is widely applied in various fields such as petroleum, chemical engineering, metallurgy, water and electricity and the like as a part for realizing the on-off and the flow control of a pipeline system, and a sealing ring is required to be used for sealing and protecting the butterfly valve in the operation process.

But current sealing washer is after long-time the use, and the serious problem of wearing and tearing easily appears in the location step to influence the leakproofness of butterfly valve, and current sealing washer corrosion resistance is relatively poor, because current sealing washer adopts the metal material to make, after the long-time contact liquid of metal material, the phenomenon of corroding easily takes place, for this reason we have designed a neotype sealing washer that resistance to wears for the butterfly valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve is with sealing washer that resistance to wears to solve current technical defect and the technical requirement that can not reach.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a butterfly valve is with sealing washer of resistance to wear, includes the annular circle body, the first location step of annular circle body outer wall left and right sides integrated into one piece and second location step, wear-resisting rubber pad is cup jointed through adhesive to first location step and second location step surface, first location step and second location step looks one side welded mounting have the strengthening rib, the rubber pad is cup jointed to annular circle body outer wall medial side, anticorrosive lacquer bed of material is evenly paintd on annular circle body surface.

Preferably, the surface of the outer wall of the rubber pad is provided with a positioning hole, and the positioning hole penetrates through the annular round body.

Preferably, the coating anti-corrosion paint layer is ceramic anti-corrosion paint.

Preferably, the reinforcing rib is fixed with the outer wall of the annular round body through welding.

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

1. compare with traditional butterfly valve with the sealing washer of nai wearing, a butterfly valve after the improvement is with the sealing washer of nai wearing rubber pad on equipment, the used material of wear-resisting rubber pad is nitrile butadiene rubber NBR, nitrile butadiene rubber NBR has good wear resistance, be equipped with wear-resisting rubber pad and avoid the direct and butterfly valve contact of first location step and the second location step of sealing washer, play the effect of buffering, through above setting, the sealing washer is after long-time the use, the serious problem of wearing and tearing is difficult to appear in location step, can not influence the leakproofness of butterfly valve.

2. Compared with the traditional wear-resistant sealing ring for the butterfly valve, the improved wear-resistant sealing ring for the butterfly valve is provided with an anti-corrosion paint layer on equipment, paint used by the anti-corrosion paint layer is ceramic anti-corrosion paint, the model of the ceramic anti-corrosion paint is ZS-821, the ZS-821 ceramic anti-corrosion paint has strong corrosion resistance to liquid, the ZS-821 ceramic anti-corrosion paint is coated on the surface of an annular round body, the corrosion resistance of the sealing ring is improved, through the arrangement, the corrosion resistance of the sealing ring is strong, and after the sealing ring is in contact with the liquid for a long time, the corrosion phenomenon is not easy to.

Drawings

Fig. 1 is a schematic structural view of an anti-abrasion sealing ring for a butterfly valve according to the present invention;

FIG. 2 is a schematic structural view of the outer wall of the annular cup body of the anti-wear seal ring for the butterfly valve of the present invention;

fig. 3 is the utility model relates to a butterfly valve is with seal ring annular cup surface texture sketch map that resistance to wears.

In the figure: the anti-corrosion rubber gasket comprises a first positioning step-1, an annular round body-2, a rubber gasket-3, a positioning hole-4, a second positioning step-5, a wear-resistant rubber gasket-6, a reinforcing rib-7 and an anti-corrosion paint layer-8.

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. 1-3, the present invention provides a technical solution: the utility model provides a butterfly valve is with sealing washer of resistance to wear, includes annular circle body 2, 2 outer wall left and right sides integrated into one piece first location step 1 and second location step 5 of annular circle body, wear-resisting rubber pad 6 is cup jointed through adhesive to first location step 1 and second location step 5 surface, one side welded mounting is looked mutually to first location step 1 and second location step 5 has strengthening rib 7, 2 outer wall middle sides of annular circle body cup joint rubber pad 3, 2 surfaces of annular circle body evenly paint anticorrosive lacquer bed of material 8.

The outer wall surface of the rubber pad 3 is provided with a positioning hole 4, the positioning hole 4 penetrates through the annular round body 2, and a screw penetrates through the positioning hole 4, so that the sealing ring and the butterfly valve are fixedly installed.

The coating anti-corrosion paint layer 8 is ceramic anti-corrosion paint, and the model of the ceramic anti-corrosion paint is ZS-821 ceramic anti-corrosion paint which has strong corrosion resistance to liquid.

The strengthening rib 7 passes through welded fastening with 2 outer walls of annular circle body, and strengthening rib 7 and first location step 1, second location step 5 and 2 welded fastening of annular circle body have increased the steadiness of first location step 1 and second location step 5.

The working principle is as follows: when the wear-resistant sealing ring for the butterfly valve is used, the sealing ring is taken out, the first positioning step 1 and the second positioning step 5 of the sealing ring are butted with the positioning groove of the butterfly valve, then a screw is used for penetrating through the positioning hole 4, so that the sealing ring and the butterfly valve are fixedly installed, because the surface of the annular round body 2 of the sealing ring is coated with the anticorrosive paint layer 8 in advance, the paint used by the anticorrosive paint layer 8 is ceramic anticorrosive paint, the model of the ceramic anticorrosive paint is ZS-821, the ZS-821 ceramic anticorrosive paint has stronger corrosion resistance to liquid, the corrosion resistance of the sealing ring can be increased, meanwhile, the first positioning step 1 and the second positioning step 5 are sleeved and installed with the wear-resistant rubber pad 6 by using the adhesive glue, the material used by the wear-resistant rubber pad 6 is nitrile butadiene rubber NBR, the nitrile butadiene rubber NBR has excellent wear resistance, the wear-resistant rubber pad 6 is arranged to avoid the first positioning step 1 and, the buffer function is achieved, and the serious abrasion problem of the positioning step can not occur.

The utility model discloses a first location step 1, annular circle 2, rubber pad 3, locating hole 4, second location step 5, wear-resisting rubber pad 6, strengthening rib 7, anticorrosive paint bed 8, above-mentioned part is general standard component or the part that technical staff in the field known, its structure and principle all can be known through the technical manual or through conventional experimental method for this technical staff, the problem that the utility model solves is that, after the long-time use of current sealing washer, the location step is easy to appear the serious problem of wearing and tearing to influence the leakproofness of butterfly valve, and current sealing washer is relatively poor in corrosion resistance, because current sealing washer adopts the metal material to make, after the long-time contact liquid of metal material, the easy emergence corruption phenomenon of metal material, the utility model can realize through the inter-combination of above-mentioned parts, after the long-time use of sealing washer, the location step is difficult to appear the serious problem of wearing and tearing, the sealing performance of the butterfly valve cannot be influenced, the corrosion resistance of the sealing ring is high, and the sealing ring is not easy to corrode after contacting with liquid for a long time.

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 (4)

1. The utility model provides a butterfly valve is with sealing washer resistance to wears, includes annular circle body (2), its characterized in that: annular circle body (2) outer wall left and right sides integrated into one piece first location step (1) and second location step (5), wear-resisting rubber pad (6) is cup jointed through adhesive to first location step (1) and second location step (5) surface, one side welded mounting is looked mutually in first location step (1) and second location step (5) has strengthening rib (7), rubber pad (3) is cup jointed to the side in annular circle body (2) outer wall, anticorrosive lacquer bed of material (8) is evenly paintd on annular circle body (2) surface.

2. The wear-resistant seal ring for a butterfly valve according to claim 1, wherein: the rubber pad (3) outer wall surface is opened has locating hole (4), locating hole (4) run through to annular circle body (2).

3. The wear-resistant seal ring for a butterfly valve according to claim 1, wherein: the coating anti-corrosion paint layer (8) is ceramic anti-corrosion paint.

4. The wear-resistant seal ring for a butterfly valve according to claim 1, wherein: the reinforcing ribs (7) are fixed with the outer wall of the annular round body (2) through welding.

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