CN217951261U - Linear bidirectional hard sealing butterfly valve - Google Patents

Abstract

The utility model discloses a linear two-way butterfly valve sealed firmly, which comprises a valve body, the internally mounted of valve body has the valve shaft, and the valve plate is installed to the bottom of valve shaft one side, the valve gap is installed on the top of valve body, the inside one side of valve body is provided with filtration, the inside intermediate layer department of valve body is provided with additional strengthening, the top and the bottom of valve plate all are provided with wired sealing ring. The utility model discloses a be provided with floating seal ring, floating seal fastens on the sealing ring after the line seal processing, when the forward pressurized of valve plate, floating seal does not move, can seal, floating seal can be according to the effort of pressure and medium when reverse pressurized, can promote the sealed atress together of line sealing ring and valve plate, play absolute sealed effect, because floating seal and the sealing ring of sealed processing ring and valve plate of valve body all are whole floating, do not receive the influence of pressure and temperature, the direct problem that hard seal butterfly valve can not reverse pressurized has been solved.

Description

Linear bidirectional hard sealing butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field, in particular to linear two-way butterfly valve sealed firmly.

Background

The hard seal butterfly valve is widely applied in industries such as heat supply, chemical industry, mines and the like, the use amount is large, due to the fact that the hard seal butterfly valve is suitable for a plurality of working conditions, the hard seal butterfly valve is higher in temperature resistance, fatigue resistance and low temperature resistance than a rubber butterfly valve, and has problems in various industries.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a linear two-way butterfly valve sealed firmly for solve current valve and can not reverse pressurized, the defect of revealing always.

(II) contents of utility model

In order to solve the technical problem, the utility model provides a following technical scheme: linear two-way butterfly valve sealed firmly, including the valve body, the internally mounted of valve body has the valve shaft, and the bottom of valve shaft one side installs the valve plate, the valve gap is installed on the top of valve body, the inside one side of valve body is provided with filtration, the inside intermediate layer department of valve body is provided with additional strengthening, the inside one end of valve body is provided with floating seal ring, the top and the bottom of valve plate all are provided with wired sealing ring.

Preferably, the filtering structure comprises a filtering plate, the filtering plate is arranged on one side inside the valve body, the edge of the outside of the filtering plate is fixed with a limiting block, and the edge of one side inside the valve body is provided with a limiting groove.

Preferably, the outer diameter of the filter plate is smaller than the inner diameter of the valve body, and the filter plate and the valve body are matched.

Preferably, the limiting blocks are four in number and are distributed annularly outside the filter plate.

Preferably, the outer diameter of the limiting block is smaller than the inner diameter of the limiting groove, and the limiting block and the limiting groove are matched.

Preferably, the additional strengthening includes the enhancement layer, the enhancement layer sets up in the inside intermediate layer department of valve body, the inside of enhancement layer all is provided with the enhancement strip, be provided with the anticorrosive coating on the inside wall of valve body.

Preferably, the reinforcing strips are provided with a plurality of reinforcing strips which are uniformly distributed in the reinforcing layer.

(III) advantageous effects

The utility model provides a linear two-way butterfly valve sealed firmly, its advantage lies in: the floating seal ring is arranged and fastened on the seal ring after the line seal processing, when the valve plate is positively pressed, the floating seal does not act and can be sealed, when the valve plate is reversely pressed, the floating seal can push the line seal ring and the seal of the valve plate to bear force together according to the acting force of pressure and medium, and the absolute seal effect is achieved;

by arranging the filtering structure, the filtering plate is taken and placed on one side of the interior of the valve body, the limiting blocks are sequentially limited in the limiting grooves, then the butterfly valve is communicated with the pipeline, when a medium in the pipeline flows into the interior of the valve body, the filtering plate can filter the medium, and further the blocking condition of the interior of the valve body can be reduced;

through being provided with additional strengthening, the enhancement layer sets up in the inside intermediate layer department of valve body, plays the function of strengthening through the enhancement layer, evenly sets up inside the enhancement layer through strengthening the strip, strengthens the strip and can improve its structural strength, can not appear the fracture when using for a long time, can improve the corrosion resisting property of valve body inner wall through the anticorrosive coating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged schematic structural view of a partial section at a in fig. 1 according to the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the filtering structure of the present invention;

fig. 5 is a schematic side view of the reinforced structure of the present invention.

The reference numerals in the figures illustrate:

1. a valve body; 2. a filter structure; 201. filtering the plate; 202. a limiting groove; 203. a limiting block; 3. a reinforcing structure; 301. a reinforcing layer; 302. a reinforcing strip; 303. an anticorrosive layer; 4. a valve plate; 5. a valve shaft; 6. a valve cover; 7. a floating seal ring; 8. a wire seal ring.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: the linear bidirectional hard sealing butterfly valve comprises a valve body 1, wherein a valve shaft 5 is installed inside the valve body 1, a valve plate 4 is installed at the bottom end of one side of the valve shaft 5, a valve cover 6 is installed at the top end of the valve body 1, a filtering structure 2 is arranged at one side inside the valve body 1, a reinforcing structure 3 is arranged at an interlayer inside the valve body 1, a floating sealing ring 7 is arranged at one end inside the valve body 1, and wired sealing rings 8 are arranged at the top end and the bottom end of the valve plate 4;

specifically, as shown in fig. 2 and 3, when the structure is used, firstly, when the valve plate 4 is pressed in the forward direction, the floating seal does not act and can be sealed, and when the valve plate is pressed in the reverse direction, the floating seal can push the wire sealing ring 8 and the seal of the valve plate 4 to bear force together according to the acting force of pressure and medium, so that the absolute sealing effect is achieved, because the floating seal and the seal processing ring of the valve body 1 and the seal ring of the valve plate 4 are integrated and float without being influenced by pressure and temperature, the direct problem that the hard seal butterfly valve cannot be pressed in the reverse direction is solved;

the filtering structure 2 comprises a filtering plate 201, the filtering plate 201 is arranged on one side inside the valve body 1, limiting blocks 203 are fixed on the edges of the outside of the filtering plate 201, limiting grooves 202 are formed in the edges of one side inside the valve body 1, the outer diameter of the filtering plate 201 is smaller than the inner diameter of the valve body 1, the filtering plate 201 and the valve body 1 are matched, the four limiting blocks 203 are arranged, the four limiting blocks 203 are distributed annularly outside the filtering plate 201, the outer diameter of the limiting blocks 203 is smaller than the inner diameter of the limiting grooves 202, and the limiting blocks 203 and the limiting grooves 202 are matched to position the filtering plate 201;

specifically, as shown in fig. 1 and 4, when the structure is used, firstly, the filter plate 201 is taken, the filter plate 201 is placed on one side inside the valve body 1, the limiting blocks 203 are sequentially limited inside the limiting grooves 202, then the butterfly valve is communicated with the pipeline, when a medium in the pipeline flows into the valve body 1, the filter plate 201 can filter the medium, and further the blocking condition inside the valve body 1 can be reduced;

the reinforcing structure 3 comprises a reinforcing layer 301, the reinforcing layer 301 is arranged at an interlayer in the valve body 1, reinforcing strips 302 are arranged in the reinforcing layer 301, an anti-corrosion layer 303 is arranged on the inner side wall of the valve body 1, the reinforcing strips 302 are arranged in a plurality, the plurality of reinforcing strips 302 are uniformly distributed in the reinforcing layer 301, and the reinforcing strips 302 can improve the structural strength;

specifically, as shown in fig. 1 and 5, when using this structure, first, the reinforcing layer 301 is disposed at the interlayer inside the valve body 1, the reinforcing layer 301 performs a reinforcing function, the reinforcing strip 302 is uniformly disposed inside the reinforcing layer 301, and no fracture occurs during long-term use, and the corrosion resistance of the inner wall of the valve body 1 can be improved by the corrosion-resistant layer 303.

The working principle is as follows: during the use, at first, take filter plate 201, place the inside one side of valve body 1 with filter plate 201, spacing the inside at spacing groove 202 with stopper 203 in proper order, later with butterfly valve and pipeline switch-on, when the medium in the pipeline flows into the inside of valve body 1, filter plate 201 can filter the medium, secondly, when valve plate 4 forward pressurized, floating seal does not move, can seal, floating seal can be according to the effort of pressure and medium when reverse pressurized, can promote the sealed atress together of line sealing ring 8 and valve plate 4, play the effect of absolute seal, because the floating seal of valve body 1 and the sealing processing ring all are whole with the sealing ring of valve plate 4, float, do not receive the influence of pressure and temperature, the final use work of accomplishing this two-way butterfly valve that seals of linearity.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (7)

1. Linear two-way butterfly valve sealed firmly, including valve body (1), its characterized in that: the utility model discloses a valve, including valve body (1), valve plate (4), valve gap (6) are installed to the top of valve body (1), the inside one side of valve body (1) is provided with filtration (2), the inside intermediate layer department of valve body (1) is provided with additional strengthening (3), the inside one end of valve body (1) is provided with floating seal ring (7), the top and the bottom of valve plate (4) all are provided with wired sealing ring (8).

2. The linear, bi-directional, hard-seal butterfly valve of claim 1, wherein: filtration (2) are including filter plate (201), filter plate (201) set up in the inside one side of valve body (1), the edge of the outside of filter plate (201) all is fixed with stopper (203), the edge of the inside one side of valve body (1) all is provided with spacing groove (202).

3. The linear, bi-directional, hard-seal butterfly valve of claim 2, wherein: the outer diameter of the filter plate (201) is smaller than the inner diameter of the valve body (1), and the filter plate (201) and the valve body (1) are matched.

4. The linear, bi-directional, hard-sealed butterfly valve of claim 2, wherein: the limiting blocks (203) are four in number, and the limiting blocks (203) are distributed in an annular mode outside the filter plate (201).

5. The linear, bi-directional, hard-sealed butterfly valve of claim 2, wherein: the outer diameter of the limiting block (203) is smaller than the inner diameter of the limiting groove (202), and the limiting block (203) is matched with the limiting groove (202).

6. The linear, bi-directional, hard-seal butterfly valve of claim 1, wherein: the reinforced structure (3) comprises a reinforced layer (301), the reinforced layer (301) is arranged at the interlayer inside the valve body (1), reinforced strips (302) are arranged inside the reinforced layer (301), and an anticorrosive layer (303) is arranged on the inner side wall of the valve body (1).

7. The linear, bidirectional, hard-seal butterfly valve of claim 6, further comprising: the reinforcing strips (302) are arranged in a plurality, and the reinforcing strips (302) are uniformly distributed in the reinforcing layer (301).

Images