CN217939379U

CN217939379U - Three-eccentric metal hard-touch hard butterfly valve

Info

Publication number: CN217939379U
Application number: CN202222294551.6U
Authority: CN
Inventors: 余张良
Original assignee: Wanji Valve Co ltd
Current assignee: Wanji Valve Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-02
Anticipated expiration: 2032-08-30

Abstract

The utility model belongs to the technical field of the butterfly valve, especially, relate to a three eccentric metals bump hard butterfly valve firmly, include: the valve body comprises a water inlet pipe and a water outlet pipe; the valve plate is arranged in the valve body; the valve shaft is fixedly connected with the valve plate; the filter device comprises a first filter screen, a second filter screen and a filter screen base; the valve plate and the valve shaft are arranged in the valve body, the valve plate is fixedly connected with the valve shaft, the filtering device is arranged at the water inlet pipe, the filter screen base is tightly attached to the outer wall of the water outlet pipe, and the first filter screen and the second filter screen are respectively and fixedly connected to the filter screen base and arranged inside the water outlet pipe; can dismantle the design of connection through filter equipment, can conveniently take out filter equipment and wash to avoid the filter screen to block up effectively, improve the work efficiency of butterfly valve.

Description

Three-eccentric metal hard-touch hard butterfly valve

Technical Field

The utility model belongs to the technical field of the butterfly valve, especially, relate to a three eccentric metals bump hard butterfly valve firmly.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

In prior art CN212745077U, be equipped with the detachable filter screen in the inlet tube of butterfly valve and outlet pipe department, the filter screen in this technique is still can be dismantled but need earlier to connect the disconnection with the ring flange when dismantling the filter screen and dismantle the filter screen again, and the troublesome poeration is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists, a three eccentric metals bump hard butterfly valve firmly is provided, has reached the convenient effect of dismantling of filtration blowdown and filter screen.

In view of this, the utility model provides a three eccentric metals bump hard butterfly valve firmly which characterized in that includes:

the valve body comprises a water inlet pipe and a water outlet pipe;

the valve plate is arranged in the valve body;

the valve shaft is fixedly connected with the valve plate;

a filter device comprising a screen base;

wherein, be equipped with the semicircular groove on the inlet tube wall, filter equipment locates inlet tube department, and the shape of filter screen base is the semicircular, and filter screen base shape and inlet tube fluting laminating adaptation, filter equipment detachable fixed connection in inlet tube fluting department.

In this technical scheme, be equipped with the handle on the filter screen base, filter screen base and the installation of inlet tube fluting adaptation laminating, filter screen base and inlet tube can be through bolt fixed connection, and be equipped with the sealing strip on filter screen base and inlet tube grooved contact surface and guarantee the installation leakproofness, after the butterfly valve is using a period, impurity dirt piles up easily and leads to the filter screen to block up the work that influences the butterfly valve on the filter screen, through the design that can dismantle the connection, can take out filter equipment and wash, thereby avoid the filter screen to block up effectively, the work efficiency of butterfly valve is improved.

In the above technical solution, the filter device is further characterized in that the filter device further comprises a first filter screen and a second filter screen;

wherein, first filter screen and second filter screen are fixed connection respectively in the filter screen base and locate the inside of outlet pipe.

In this technical scheme, set up first filter screen mainly used and filter rubble piece, grit and some metallic impurity, set up the second filter screen mainly used and filter tiny silt, can reduce the impurity in the fluid effectively through dual filter effect, avoid impurity to pile up the leakproofness that makes the valve plate in the valve body and reduce.

In the above technical solution, the device is further characterized by further comprising a sewage discharge barrel, wherein the sewage discharge barrel is detachably connected below the water outlet pipe of the valve body.

In the technical scheme, the sewage discharging barrel is provided with a threaded structure, a through hole is formed below the water inlet pipe, and an internal thread matched with the threaded structure of the sewage discharging barrel is arranged in the through hole, so that the sewage discharging barrel can be in threaded connection with the water outlet pipe; can fall into the blowdown bucket after garrulous stone, grit and some metallic impurity are filtered and collect in, then dismantle the blowdown bucket and clean, can reduce the impurity in the valve body effectively, avoid impurity to pile up in the valve body to influence the flow of valve and reduce the work efficiency of valve.

In the above technical solution, the blowdown bucket further comprises a powerful magnetic column fixed at the bottom of the blowdown bucket.

In this technical scheme, powerful magnetic column is fixed in the blowdown bottom of the drum portion, can adsorb the metallic impurity in the filtration impurity effectively to carry out recycle to useful metallic impurity, played resources are saved, the effect of environmental protection.

In the above technical solution, the filter screen assembly is further characterized in that the first filter screen and the second filter screen are both corrugated surfaces.

In the technical scheme, the first filter screen and the second filter screen are both of corrugated surfaces, and the contact area between the filter screens and fluid can be increased by the aid of the corrugated surfaces, so that the filtering effect of the filter screens is enhanced, and the working efficiency of the valve is effectively improved.

In the above technical solution, further, characterized in that the valve plate includes:

the butterfly plate is integrally in a boss shape and is fixedly connected with the valve shaft;

the sealing ring is made of metal;

pressing a ring;

the valve body also comprises an annular bulge, and the annular bulge is arranged on the inner wall of the valve body and is contacted with the valve plate;

wherein, the sealing washer overlaps on the butterfly plate, and the clamping ring compresses tightly sealing washer and butterfly plate, and clamping ring fixed connection is on the butterfly plate.

In this technical scheme, the sealing washer is the metal material, the both sides of sealing washer are hugged closely with butterfly plate and clamping ring respectively, be equipped with a plurality of through-holes on the clamping ring, be fixed in the butterfly plate with the clamping ring through bolted connection on, the clamping ring compresses tightly butterfly plate and sealing washer fixedly, the annular bulge in sealing washer and the valve body bumps hard and contacts when the butterfly valve is closed, play sealed effect, and the sealing washer surface is done the hardening process, make the butterfly valve frequently open still can keep higher leakproofness, the life of butterfly valve has been improved.

The utility model has the advantages that:

1. utilize filter equipment's first filter screen, second filter screen can reduce the impurity in the fluid effectively, avoid impurity to pile up in the valve body and make the leakproofness of valve plate reduce.

2. The filter equipment of butterfly valve is detachable structural connection in inlet tube department, thereby can dismantle filter equipment after the long-time use of filter equipment and take out and wash and avoid the filter screen to block up the work of causing the influence to the butterfly valve.

3. The inlet tube department below of butterfly valve is equipped with detachable blowdown bucket, and the blowdown bucket can be collected filterable impurity dirt, then washs through dismantling the blowdown bucket, can avoid impurity and dirt in the inlet tube to pile up effectively, improves the work efficiency of butterfly valve.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a side cross-sectional view of the filter device of the present invention;

FIG. 3 is a schematic view of the structure of the filtering device of the present invention;

FIG. 4 is a cross-sectional view of the filter assembly and valve body assembly of the present invention;

FIG. 5 is a schematic view of the sealing structure of the valve plate and the valve body of the present invention;

the labels in the figure are:

1. a valve body; 11. a water inlet pipe; 12. a water outlet pipe; 2. a valve plate; 21. a plate; 22. a seal ring; 23. pressing a ring; 24. an annular projection; 3. a valve shaft; 4. a filtration device; 41. a first filter screen; 42. a second filter screen; 43. a filter screen base; 5. a sewage draining barrel; 6. a strong magnetic column.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

the embodiment provides a hard butterfly valve of bumping firmly of three eccentric metals, includes:

the valve body 1 comprises a water inlet pipe 11 and a water outlet pipe 12;

the valve plate 2 is arranged in the valve body 1;

the valve shaft 3 is fixedly connected with the valve plate 2;

a filter device 4, said filter device 4 comprising a sieve base 43;

wherein, be equipped with the semicircular slot on the 11 walls of inlet tube, inlet tube 11 departments are located to filter equipment 4, and the shape of filter screen base 43 is the semicircular, and filter screen base 43 shape and the 11 fluting laminating adaptations of inlet tube, 4 detachable fixed connection of filter equipment are in the 11 fluting departments of inlet tube.

In this technical scheme, be equipped with the handle on the filter screen base 43, filter screen base 43 and the installation of the 11 fluting adaptations of inlet tube, filter screen base 43 and inlet tube 11 can be through bolt fixed connection, and be equipped with the sealing strip on filter screen base 43 and the 11 grooved contact surface of inlet tube and guarantee the installation leakproofness, after the butterfly valve is using a period, the work that leads to the filter screen to block up the influence butterfly valve on the filter screen is piled up easily to the impurity dirt, through the design of dismantling the connection, can take out filter equipment 4 and wash, thereby avoid the filter screen to block up effectively, the work efficiency of butterfly valve is improved.

Example 2:

the embodiment provides a three-eccentric metal hard-on-hard butterfly valve, which comprises the technical scheme of the embodiment and also has the following technical characteristics.

Further, the filter device 4 further includes a first filter 41 and a second filter 42.

The first filter 41 and the second filter 42 are respectively fixed to the filter base 43 and are disposed inside the water outlet pipe 12.

Set up first filter screen 41 mainly used and filter rubble piece, grit and some metallic impurity, set up second filter screen 42 mainly used and filter tiny silt, can reduce the impurity in the fluid effectively through dual filter effect, avoid impurity to pile up the leakproofness that makes valve plate 2 in valve body 1 and reduce.

Example 3:

the embodiment provides a three-eccentric metal hard-touch hard butterfly valve, which comprises the technical scheme of the embodiment and also has the following technical characteristics.

Further, the device also comprises a sewage draining barrel 5, wherein the sewage draining barrel 5 is detachably connected below the water outlet pipe 12 of the valve body 1.

In the technical scheme, a thread structure is arranged on the sewage discharge barrel 5, a through hole is arranged below the water outlet pipe 12, and an internal thread matched with the thread structure of the sewage discharge barrel 5 is arranged in the through hole, so that the sewage discharge barrel 5 can be in threaded connection with the water outlet pipe 12; can fall into the blowdown bucket 5 after garrulous stone, grit and some metallic impurity are filtered and collect, then dismantle the blowdown bucket 5 and get off and clean, can reduce the impurity in the valve body 1 effectively, avoid impurity to pile up in the valve body 1 to influence the flow of valve and reduce the work efficiency of valve.

Example 4:

Further, blowdown bucket 5 still includes powerful magnetic column 6, powerful magnetic column 6 is fixed in the bottom of blowdown bucket 5.

In this technical scheme, powerful magnetic column 6 is fixed in 5 bottoms on the blowdown bucket, wholly vertically locates in the valve body 1, can adsorb the metallic impurity in the filtration impurity effectively to carry out recycle to useful metallic impurity, played resources are saved, environmental protection's effect.

Example 5:

Further, the first filter screen 41 and the second filter screen 42 are corrugated surfaces.

In this technical scheme, first, two filters are the structure of ripple face, and the structure of ripple face can increase the area of contact of first filter screen 41, second filter screen 42 and fluid to strengthen first filter screen 41, second filter screen 42's filter effect, improved the work efficiency of valve effectively.

Example 6:

Further, the valve plate 2 includes:

the butterfly plate is integrally in a boss shape and is fixedly connected with the valve shaft 3;

the sealing ring 22 is made of metal;

a pressure ring 23;

the valve body 1 further comprises an annular bulge 24, and the annular bulge 24 is arranged on the inner wall of the valve body 1 and is in contact with the valve plate 2;

wherein, sealing washer 22 overlaps on the butterfly plate, and the clamping ring 23 compresses tightly sealing washer 22 and butterfly plate, and clamping ring 23 fixed connection is on the butterfly plate.

In this technical scheme, sealing washer 22 is the metal material, sealing washer 22's both sides are hugged closely with butterfly plate and clamping ring 23 respectively, be equipped with a plurality of through-holes on the clamping ring 23, be fixed in the clamping ring 23 on the butterfly plate through bolted connection, clamping ring 23 compresses tightly butterfly plate and sealing washer 22 fixedly, the annular bulge 24 mutual extrusion in sealing washer 22 and the valve body 1 bumps hard contact when the butterfly valve is closed, play sealing effect, and the hardening processing is done on sealing washer 22 surface, make the butterfly valve even frequently open can keep higher leakproofness, the life of butterfly valve has been improved.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims

1. The utility model provides a three eccentric metals are bumped hard butterfly valve firmly which characterized in that includes:

the valve body (1), the said valve body (1) includes the inlet pipe (11), discharging tube (12);

the valve plate (2), the said valve plate (2) locates in valve block (1);

the valve shaft (3), the valve shaft (3) is fixedly connected with the valve plate (2);

a filter device (4), said filter device (4) comprising a sieve base (43);

wherein, be equipped with the semicircular slot on inlet tube (11) wall, inlet tube (11) department is located in filter equipment (4), and the shape of filter screen base (43) is the semicircular, and filter screen base (43) shape and inlet tube (11) fluting laminating adaptation, filter equipment (4) detachable fixed connection in inlet tube (11) fluting department.

2. A triple offset metal hard stop butterfly valve according to claim 1, wherein said filter means (4) further comprises a first screen (41), a second screen (42);

wherein, the first filter screen (41) and the second filter screen (42) are respectively fixedly connected with the filter screen base (43) and arranged inside the water outlet pipe (12).

3. A triple offset metal hard tap butterfly valve according to claim 1, further comprising a drain bucket (5), wherein the drain bucket (5) is detachably connected below the water outlet pipe (12) of the valve body (1).

4. A triple offset metal hard-latching butterfly valve according to claim 3, wherein said drain tank (5) further comprises a strong magnetic column (6), said strong magnetic column (6) being fixed to the bottom of the drain tank (5).

5. A triple offset metal hard-on-hard butterfly valve according to claim 2, wherein the first (41) and second (42) screens are corrugated.

6. A triple offset metal hard stop butterfly valve according to claim 1, characterized in that said valve plate (2) comprises:

the butterfly plate is integrally in a boss shape and is fixedly connected with the valve shaft (3);

the sealing ring (22), the said sealing ring (22) is the metal material;

a pressure ring (23);

the valve body (1) further comprises an annular bulge (24), and the annular bulge (24) is arranged on the inner wall of the valve body (1) and is in contact with the valve plate (2);

the butterfly plate is sleeved with the sealing ring (22), the pressing ring (23) compresses the sealing ring (22) and the butterfly plate, and the pressing ring (23) is fixedly connected to the butterfly plate.