CN218063427U

CN218063427U - Strong liquid flow control of stability is with double-layered butterfly valve

Info

Publication number: CN218063427U
Application number: CN202221007830.3U
Authority: CN
Inventors: 穆文婷
Original assignee: Yaoxin Tianjin Fluid Control Equipment Co ltd
Current assignee: Yaoxin Tianjin Fluid Control Equipment Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-12-16
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to a butterfly valve technical field especially relates to a liquid flow control that stability is strong is with split collet butterfly valve. The technical scheme comprises the following steps: butterfly valve body, sealing washer, the sealed pad of cyclic annular trapezoidal and cyclic annular trapezoidal recess have been seted up respectively to the cavity both ends inboard of butterfly valve body, two the relative one side of sealing washer is laminated respectively and is fixed with the sealed pad of cyclic annular trapezoidal, two the sealed pad of cyclic annular trapezoidal injects the inboard annular trapezoidal recess internal fixation in butterfly valve body cavity both ends respectively, two the sealing washer is fixed at the cavity both ends of butterfly valve body. The utility model has the advantages of sealing washer and annular trapezoid are sealed the pad and are violently-roll over-perpendicular trend to the sealed department in cavity both ends of butterfly valve body, when the sealing washer back that ages, because violently-roll over-perpendicular structure trend can make sealed effect can not worsen, can also continue to use.

Description

Strong liquid flow control of stability is with double-layered butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a strong liquid flow control of stability is with split collet butterfly valve.

Background

The butterfly plate of the butt-clamping butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis at a rotation angle of 0-90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state. The valve is generally mounted horizontally. The opposite clamping butterfly valve has simple structure, small volume and light weight and only consists of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics.

Sealing rings are arranged at two ends of a cavity of the butt-clamping butterfly valve and play a role in sealing, sealing parts of the two ends of the cavity of the butt-clamping butterfly valve, which are sealed by common sealing rings, are positioned in the same plane, and the sealing effect is greatly reduced after the sealing rings are aged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid flow control that stability is strong is with pressing from both sides butterfly valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a strong liquid flow control of stability is with double-layered butterfly valve, includes butterfly valve body, sealing washer, the sealed pad of cyclic annular trapezoid and the trapezoidal recess of cyclic annular, the trapezoidal recess of cyclic annular has been seted up respectively to the cavity both ends inboard of butterfly valve body, two the relative one side of sealing washer is laminated respectively and is fixed with the sealed pad of cyclic annular trapezoid, two the sealed pad of cyclic annular trapezoid injects the inboard trapezoidal recess internal fixation in butterfly valve body cavity both ends respectively, two the cavity both ends at the butterfly valve body are fixed to the sealing washer.

Preferably, the outer sides of the two ends of the butterfly valve body are respectively sleeved with a connecting flange, and the connecting flange is provided with a connecting circular hole.

Preferably, a valve cover is fixed in the middle of the top of the butterfly valve body, a valve rod is installed in the valve cover in a rotating mode, a rotating wheel is fixedly extended from the valve cover at the top end of the valve rod, and the bottom end of the valve rod extends into a cavity of the butterfly valve body and is connected with the top end of a butterfly plate installed in the cavity of the butterfly valve body in a rotating mode.

Preferably, the inner side of the annular trapezoidal seal is aligned with the inner side of the seal ring.

Preferably, the annular trapezoidal groove is matched with the annular trapezoidal sealing gasket.

Preferably, the sealing ring and the annular trapezoidal sealing gasket are in a horizontal-folding-vertical direction relative to sealing positions at two ends of a cavity of the butterfly valve body.

Compared with the prior art, the beneficial effects of the utility model are that: the inboard laminating of sealing washer is fixed with annular trapezoid and seals the pad, annular trapezoid recess has been seted up respectively at the cavity both ends of butterfly valve body, the sealing washer is fixed behind the cavity both ends of butterfly valve body, annular trapezoid seals the pad can the embedding to be fixed in annular trapezoid recess, sealing washer and annular trapezoid seal the pad and be violently-roll over-perpendicular trend to the cavity both ends seal of butterfly valve body, after the sealing washer is ageing, because violently-roll over-perpendicular structure trend can make sealed effect can not the variation, can also continue to use one end time.

Drawings

Fig. 1 is a left side view structure diagram of the present invention;

FIG. 2 is a schematic view of the front cross-sectional connection structure of the present invention;

fig. 3 is an enlarged schematic view of the annular trapezoidal sealing gasket connection structure of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the annular trapezoidal groove structure of fig. 2 according to the present invention;

fig. 5 is a front sectional view of the connection structure of the annular trapezoidal gasket of the present invention.

In the figure: 1. a butterfly valve body; 2. a connecting flange; 3. a valve cover; 4. a rotating wheel; 5. a butterfly plate; 6. a seal ring; 7. a valve stem; 8. an annular trapezoidal seal pad; 9. an annular trapezoidal groove.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Example one

Referring to fig. 1 and fig. 2, the present invention provides an embodiment: the utility model provides a strong liquid flow control of stability is with double-layered butterfly valve, includes butterfly valve body 1, and the centre at 1 top of butterfly valve body is fixed with valve gap 3, and valve rod 7 is installed to the 3 internal rotations of valve gap, and the top of valve rod 7 stretches out from valve gap 3 to be fixed with runner 4, and the bottom of valve rod 7 is stretched into and is connected with the butterfly plate 5 tops of 1 cavity internal rotations installation of butterfly valve body in butterfly valve body 1's the cavity. The outer sides of the two ends of the butterfly valve body 1 are respectively sleeved with a connecting flange 2, and a connecting circular hole is formed in the connecting flange 2. The connecting flange 2 is butted with an external water pipe, the butterfly valve body 1 is fixed on the external water pipe, the rotating wheel 4 is rotated, the rotating wheel 4 drives the valve rod 7 to rotate to control the rotation of the butterfly plate 5, and therefore the water flow of the butterfly valve body 1 is controlled.

Example two

Referring to fig. 1 to 5, the present invention provides an embodiment: the utility model provides a strong liquid flow control of stability is with double-layered butterfly valve, includes butterfly valve body 1, sealing washer 6, the sealed pad 8 of cyclic annular trapezoidal and cyclic annular trapezoidal recess 9, and cyclic annular trapezoidal recess 9 has been seted up respectively to butterfly valve body 1's cavity both ends inboard, and two 6 relative one sides of sealing washer are laminated respectively and are fixed with the sealed pad 8 of cyclic annular trapezoidal, and the inboard that the sealed pad 8 of cyclic annular trapezoidal inboard aligns with sealing washer 6. Two annular trapezoid sealing gaskets 8 are respectively inserted into annular trapezoid grooves 9 on the inner sides of two ends of the cavity of the butterfly valve body 1 to be fixed, and the annular trapezoid grooves 9 are matched with the annular trapezoid sealing gaskets 8. Two sealing rings 6 are fixed at two ends of the cavity of the butterfly valve body 1, and the sealing rings 6 and the annular trapezoidal sealing gaskets 8 have a horizontal-folding-vertical trend to the sealing positions at the two ends of the cavity of the butterfly valve body 1. After the sealing ring 6 is aged, under the action of the annular trapezoidal sealing gasket 8, the sealing effect cannot be deteriorated due to the transverse-folding-vertical structure trend, and the sealing ring can be continuously used for a period of time.

The working principle is as follows: after the sealing rings 6 are fixed at two ends of the cavity of the butterfly valve body 1, the annular trapezoidal sealing gaskets 8 are embedded and fixed in the annular trapezoidal grooves 9. The connecting flange 2 is butted with an external water pipe, the butterfly valve body 1 is fixed on the external water pipe, the rotating wheel 4 is rotated, the rotating wheel 4 drives the valve rod 7 to rotate to control the rotation of the butterfly plate 5, and therefore the water flow of the butterfly valve body 1 is controlled. After the sealing ring 6 is aged, under the action of the annular trapezoidal sealing gasket 8, the sealing effect cannot be deteriorated due to the transverse-folding-vertical structure trend, and the sealing ring can be continuously used for a period of time.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a strong liquid flow control of stability is with double-layered butterfly valve, includes butterfly valve body (1), sealing washer (6), annular trapezoidal sealed pad (8) and annular trapezoidal recess (9), its characterized in that: annular trapezoid recess (9), two have been seted up respectively to the cavity both ends inboard of butterfly valve body (1) the relative one side in sealing washer (6) is laminated respectively and is fixed with the sealed pad (8) of annular trapezoid, two the sealed pad (8) of annular trapezoid injects butterfly valve body (1) inboard annular trapezoid recess (9) internal fixation in cavity both ends respectively, two sealing washer (6) are fixed at the cavity both ends of butterfly valve body (1).

2. The butt-clamping butterfly valve for controlling the flow of liquid with strong stability according to claim 1, wherein: the butterfly valve is characterized in that connecting flanges (2) are respectively sleeved on the outer sides of two ends of the butterfly valve body (1), and connecting circular holes are formed in the connecting flanges (2).

3. The butt-clamping butterfly valve for controlling the flow of liquid with strong stability according to claim 1, wherein: the middle of butterfly valve body (1) top is fixed with valve gap (3), and valve rod (7) are installed to valve gap (3) internal rotation, and the top of valve rod (7) is stretched out from valve gap (3) and is fixed with runner (4), and the bottom of valve rod (7) is stretched into in the cavity of butterfly valve body (1) and is connected with butterfly plate (5) top of butterfly valve body (1) cavity internal rotation installation.

4. The butt-clamping butterfly valve for controlling the flow of liquid with strong stability according to claim 1, wherein: the inner side of the annular trapezoidal sealing gasket (8) is aligned with the inner side of the sealing ring (6).

5. The butt-clamp butterfly valve for controlling the flow of liquid with strong stability of claim 1, wherein: the annular trapezoidal groove (9) is matched with the annular trapezoidal sealing gasket (8).

6. The butt-clamping butterfly valve for controlling the flow of liquid with strong stability according to claim 1, wherein: the sealing ring (6) and the annular trapezoidal sealing gasket (8) have a horizontal-folding-vertical trend to the sealing positions at two ends of the cavity of the butterfly valve body (1).