CN214197318U

CN214197318U - Clamp butterfly valve with rubber-coated valve plate

Info

Publication number: CN214197318U
Application number: CN202023063561.6U
Authority: CN
Inventors: 许秀舫; 郑景辉; 唐家伟; 李淑杰
Original assignee: Tieling Large Valve Group Co ltd
Current assignee: Tieling Large Valve Group Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-14
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a take clamp butterfly valve of rubber coating valve plate, which comprises a valve body, the top of valve body is provided with the valve handle, the bottom fixedly connected with valve plate of valve handle, the inner chamber of valve body is provided with the recess, the inner chamber fixedly connected with sealing washer of valve body, one side fixedly connected with spring of sealing washer. The utility model discloses a recess, the cooperation of sealing washer and spring, make this valve plate directly contact with the valve body through the sealing washer, moreover, the steam generator is simple in structure, the leakproofness is good, the life of clamp butterfly valve has been prolonged, through the effect of spring to the sealing washer, the compactness of sealing washer and valve plate contact is improved, through designing the wearing layer, polyurethane elastomer has good wear resistance, the life of sealing washer is improved, through designing corrosion-resistant layer, avoid acidic material to corrode the sealing washer, guarantee the holistic leakproofness of butterfly valve, thereby improve sealed effect, the problem that the sealed effect of current device is poor has been solved.

Description

Clamp butterfly valve with rubber-coated valve plate

Technical Field

The utility model relates to the technical field of valves, specifically be a clamp butterfly valve of area rubber coating valve plate.

Background

The clamp type pipeline connection is widely applied to fluid conveying projects such as water supply and drainage, fire control, ventilation and the like, the existing clamp butterfly valve is integral, that is, the valve body and the groove part are integrated, in fact, on the basis of the original flange type butterfly valve, the flange is changed into a groove type hoop to meet the requirement of the hoop type pipeline connection, the hoop type butterfly valve is generally composed of a valve body and a valve plate, the valve plate is provided with a rotating shaft which is arranged in a rotating shaft hole of the valve body valve post, one end of the rotating shaft extends out of the rotating shaft hole of the valve body and is controlled by a driving device to rotate, therefore, the opening and closing of the butterfly valve are controlled, the valve body of the butterfly valve is in contact with the valve seat of the valve plate, the valve operating torque is easy to be overlarge and the valve plate is easy to wear due to the fact that the valve seat is used for sealing, manpower and material resources are wasted, the low-pressure sealing effect can only be guaranteed, and inconvenience is brought to the use of the clamp butterfly valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take clamp butterfly valve of rubber coating valve plate possesses sealed effectual advantage, has solved the poor problem of current device seal effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a clamp butterfly valve of area rubber coating valve plate, includes the valve body, the top of valve body is provided with the valve handle, the bottom fixedly connected with valve plate of valve handle, the inner chamber of valve body is provided with the recess, the inner chamber fixedly connected with sealing washer of valve body, one side fixedly connected with spring of sealing washer, the inner chamber of sealing washer is provided with the inoxidizing coating, the inoxidizing coating includes wearing layer, corrosion-resistant layer, insulating layer and enhancement layer, the bottom of wearing layer is provided with corrosion-resistant layer, corrosion-resistant layer's bottom is provided with the insulating layer, the bottom of insulating layer is provided with the enhancement layer.

Preferably, the shape of the sealing ring is circular, and the shape of the cross section of the sealing ring is trapezoidal.

Preferably, the other end of the spring is fixedly connected with an inner cavity of the groove, and an air bag is arranged in the inner cavity of the groove.

Preferably, the corrosion-resistant layer is made of ethylene propylene diene monomer rubber, and the wear-resistant layer is made of polyurethane elastic rubber.

Preferably, the reinforcing layer is a mesh layer woven by carbon fibers, and the heat insulation layer is made of glass fibers.

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

1. the utility model discloses a recess, the cooperation of sealing washer and spring, make this valve plate directly contact with the valve body through the sealing washer, moreover, the steam generator is simple in structure, the leakproofness is good, the life of clamp butterfly valve has been prolonged, through the effect of spring to the sealing washer, the compactness of sealing washer and valve plate contact is improved, through designing the wearing layer, polyurethane elastomer has good wear resistance, the life of sealing washer is improved, through designing corrosion-resistant layer, avoid acidic material to corrode the sealing washer, guarantee the holistic leakproofness of butterfly valve, thereby improve sealed effect, the problem that the sealed effect of current device is poor has been solved.

2. The utility model discloses a design gasbag supports the buffering to the sealing washer, and through the design insulating layer, the material that coefficient of heat conductivity is low can completely cut off thermal transmission, avoids the sealing washer expend with heat and contract with cold, through the design enhancement layer, improves the structural strength of sealing washer.

Drawings

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

FIG. 2 is a right partial sectional view of the structure of the present invention;

fig. 3 is a front view and a cross-sectional view of the wear-resistant layer structure of the present invention.

In the figure: 1. a valve body; 2. a valve handle; 3. a valve plate; 4. a groove; 5. a seal ring; 6. a spring; 7. a protective layer; 71. a wear layer; 72. a corrosion-resistant layer; 73. a thermal insulation layer; 74. a reinforcing layer; 8. an air bag.

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, a hoop butterfly valve with a rubber-coated valve plate comprises a valve body 1, a valve handle 2 is arranged at the top of the valve body 1, a valve plate 3 is fixedly connected to the bottom of the valve handle 2, a groove 4 is formed in an inner cavity of the valve body 1, a sealing ring 5 is fixedly connected to the inner cavity of the valve body 1, the sealing ring 5 is circular, the cross section of the sealing ring 5 is trapezoidal, the sealing ring 5 is supported and buffered by designing an air bag 8, heat transfer can be isolated by designing a heat insulation layer 73 by using a material with a low heat conductivity coefficient, thermal expansion and cold contraction of the sealing ring 5 are avoided, the structural strength of the sealing ring 5 is improved by designing a reinforcing layer 74, a spring 6 is fixedly connected to one side of the sealing ring 5, the other end of the spring 6 is fixedly connected with the inner cavity of the groove 4, the inner cavity of the groove 4 is provided with the air bag 8, a protective layer 7 is arranged in the inner cavity of the sealing ring 5, and the protective layer 7 comprises a wear-resistant layer 71, The valve plate 3 can be directly contacted with the valve body 1 through the matching of the groove 4, the sealing ring 5 and the spring 6, the structure is simple, the sealing performance is good, the service life of the clamp butterfly valve is prolonged, the tightness of the contact of the sealing ring 5 and the valve plate 3 is improved through the action of the spring 6 on the sealing ring 5, the polyurethane elastic rubber has good wear resistance through the design of the wear-resistant layer 71, and the service life of the sealing ring 5 is prolonged, through the design corrosion-resistant layer 72, the acidic substance is prevented from corroding the sealing ring 5, and the overall sealing performance of the butterfly valve is ensured, so that the sealing effect is improved, and the problem of poor sealing effect of the conventional device is solved.

During the use, make this valve plate 3 can directly contact with valve body 1 through sealing washer 5, moreover, the steam generator is simple in structure, the leakproofness is good, the life of clamp butterfly valve has been prolonged, through the effect of spring 6 to sealing washer 5, improve the compactness of sealing washer 5 and valve plate 3 contact, through designing wearing layer 71, polyurethane elastic rubber has good wear resistance, improve the life of sealing washer 5, through designing corrosion-resistant layer 72, avoid acidic material to corrode sealing washer 5, through designing gasbag 8, support the buffering to sealing washer 5, through designing insulating layer 73, the material that the coefficient of heat conductivity is low can completely cut off thermal transmission, avoid sealing washer 5 expend with heat and contract with cold, through designing enhancement layer 74, improve the structural strength of sealing washer 5, guarantee the holistic leakproofness of butterfly valve, thereby improve sealed effect.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

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 clamp butterfly valve of area rubber coating valve plate, includes valve body (1), its characterized in that: the top of valve body (1) is provided with valve handle (2), bottom fixedly connected with valve plate (3) of valve handle (2), the inner chamber of valve body (1) is provided with recess (4), the inner chamber fixedly connected with sealing washer (5) of valve body (1), one side fixedly connected with spring (6) of sealing washer (5), the inner chamber of sealing washer (5) is provided with inoxidizing coating (7), inoxidizing coating (7) are including wearing layer (71), corrosion-resistant layer (72), insulating layer (73) and enhancement layer (74), the bottom of wearing layer (71) is provided with corrosion-resistant layer (72), the bottom of corrosion-resistant layer (72) is provided with insulating layer (73), the bottom of insulating layer (73) is provided with enhancement layer (74).

2. The band butterfly valve with encapsulated valve plate of claim 1, wherein: the shape of sealing washer (5) is circular, the shape of sealing washer (5) cross-section is trapezoidal.

3. The band butterfly valve with encapsulated valve plate of claim 1, wherein: the other end of the spring (6) is fixedly connected with the inner cavity of the groove (4), and an air bag (8) is arranged in the inner cavity of the groove (4).

4. The band butterfly valve with encapsulated valve plate of claim 1, wherein: the corrosion-resistant layer (72) is made of ethylene propylene diene monomer rubber, and the wear-resistant layer (71) is made of polyurethane elastic rubber.

5. The band butterfly valve with encapsulated valve plate of claim 1, wherein: the reinforcing layer (74) is a mesh layer woven by carbon fibers, and the heat insulation layer (73) is made of glass fibers.