CN211117660U

CN211117660U - Metal hard seal butterfly valve with flange

Info

Publication number: CN211117660U
Application number: CN201922274331.5U
Authority: CN
Inventors: 孟令发
Original assignee: Dayu Valve Manufacturing Tianjin Co ltd
Current assignee: Dayu Valve Manufacturing Tianjin Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-28
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a flange metal butterfly valve sealed firmly, which comprises a valve body, set up flutedly between valve body both sides wall central point puts, first spacing groove has been seted up, two to wall central point puts the symmetry about the recess first spacing groove has been seted up the second spacing groove from one side lateral wall symmetry, the upside roof central point puts and has seted up first mounting groove in the second spacing groove, sliding connection has same valve rod in first mounting groove, two first spacing grooves, two second spacing grooves. The utility model discloses, adopting there is the setting of double seal circle, doing benefit to the cooperation butterfly plate and playing good sealed effect, simultaneously, being provided with the nimble smooth stop gear of rotation that is the longitudinal symmetry setting, this mechanism fixed mounting does benefit to the valve rod and rotates on the valve rod, and has strengthened the structure steadiness and the rotation smoothness nature of device body greatly, and the whole device practical application is worth highly.

Description

Metal hard seal butterfly valve with flange

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a flange metal butterfly valve sealed 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.

At present, the butterfly valve is used extensively, and present butterfly valve mostly is single sealing washer setting, and actual sealing performance is relatively poor, and the stop gear of rotatable parts is less, and actual structure steadiness is relatively poor, and mostly all rotate the smoothness nature also relatively low, and whole practical application is worth not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flange metal hard seal butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a flange metal butterfly valve that seals firmly, includes the valve body, set up flutedly between valve body both sides wall central point puts, first spacing groove has been seted up to both sides wall central point puts the symmetry about the recess, two first spacing groove has seted up the second spacing groove from a side wall symmetry, upside the first mounting groove has been seted up to second spacing inslot roof central point puts, sliding connection has same valve rod in first mounting groove, two first spacing grooves, two second spacing grooves, valve rod roof fixedly connected with mounting disc, the fixed cover of valve rod has connect butterfly plate and two spacing rings, two the spacing ring is the longitudinal symmetry and sets up and lies in both sides about the butterfly plate, two first sealing washers of recess inside wall fixedly connected with, the mounting hole has been seted up between four corners both sides wall of valve body.

As a further description of the above technical solution:

the mounting disc diapire central point puts fixedly connected with valve rod roof, the mounting disc is located directly over the valve body.

As a further description of the above technical solution:

the two limiting rings are connected in the second limiting groove on the side in a sliding mode, the limiting rings are annular metal rings with smooth surfaces, and the second limiting grooves are cylindrical grooves.

As a further description of the above technical solution:

the butterfly plate is located recess central point and puts, set up the second mounting groove between the wall central point puts about the butterfly plate, two opening part fixed mounting have the second sealing washer about the butterfly plate lateral wall is located the second mounting groove.

As a further description of the above technical solution:

the second mounting groove and the second sealing ring are fixedly connected with the side wall of the valve rod.

As a further description of the above technical solution:

four the mounting hole is the screw hole, two first sealing washer is the symmetry and sets up and be located 9 both sides of butterfly plate, first mounting groove and two first spacing grooves are cylindrical groove.

The utility model discloses following beneficial effect has:

compared with the prior art, the flange metal hard seal butterfly valve adopts the setting of double seal circle, does benefit to the cooperation butterfly plate and plays good sealed effect, simultaneously, is provided with the nimble smooth stop gear of rotation that is the longitudinal symmetry setting, and this mechanism fixed mounting does benefit to the valve rod and rotates on the valve rod, and has strengthened the structure steadiness and the rotation smoothness nature of device body greatly, and the whole device practical application is worth highly.

Drawings

Fig. 1 is a schematic front view of a metal hard seal butterfly valve with a flange according to the present invention;

fig. 2 is a side view of a metal hard seal butterfly valve with a flange according to the present invention;

fig. 3 is an enlarged view of a position a in fig. 1 of a flange metal hard seal butterfly valve according to the present invention.

Illustration of the drawings:

1. a valve body; 2. a groove; 3. a first limit groove; 4. a second limit groove; 5. a first mounting groove; 6. a valve stem; 7. a limiting ring; 8. a first seal ring; 9. a butterfly plate; 10. a second mounting groove; 11. a second seal ring; 12. mounting a disc; 13. and (7) installing holes.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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. 1-3, the present invention provides an embodiment: a metal hard sealing butterfly valve of a flange comprises a valve body 1, a groove 2 is arranged between the central positions of two side walls of the valve body 1, first limiting grooves 3 are symmetrically arranged at the central positions of the upper side wall and the lower side wall of the groove 2, two first limiting grooves 3 are symmetrically arranged at the central position of one side wall away from the other side wall, a second limiting groove 4 is symmetrically arranged at the central position of the top wall in the second limiting groove 4 at the upper side, a first mounting groove 5 is arranged at the central position of the top wall in the second limiting groove 4, the first mounting groove 5, the two first limiting grooves 3 and the two second limiting grooves 4 are connected with a same valve rod 6 in a sliding way, a mounting disc 12 is fixedly connected with the top wall of the valve rod 6, is beneficial to holding and rotating and further drives the valve rod 6 to rotate, the valve rod 6 is fixedly sleeved with a butterfly plate 9 and two limiting rings 7, the two limiting rings 7 are symmetrically arranged, the installation of the device body is facilitated.

The central position of the bottom wall of the mounting disc 12 is fixedly connected with the top wall of the valve rod 6, the mounting disc 12 is positioned right above the valve body 1, the two limiting rings 7 are connected in the second limiting groove 4 on the side in a sliding manner, the limiting rings 7 are annular metal rings with smooth surfaces, the second limiting groove 4 is a cylindrical groove, the limiting rings 7 are arranged on the valve rod 6, the valve rod 6 is facilitated to rotate, the limiting function on the valve rod 6 is achieved, the structural stability and the rotating fluency of the device body are greatly enhanced, the butterfly plate 9 is positioned at the central position of the groove 2, a second mounting groove 10 is formed between the central positions of the upper side wall and the lower side wall of the butterfly plate 9, second sealing rings 11 are fixedly arranged at the upper opening and the lower opening of the outer side wall of the butterfly plate 9, the protective effect on the valve rod 6 is achieved, the side wall of the valve rod 6 is fixedly connected in the, do benefit to the installation device body, two first sealing washers 8 are the symmetry and set up and are located 9 both sides of butterfly plate, do benefit to cooperation butterfly plate 9 and seal up recess 2, and first mounting groove 5 does benefit to valve rod 6 rotation for cylindrical groove with two first spacing grooves 3.

The working principle is as follows: when the device is used, the device body is fixedly installed through the four installation holes 13 of the device body, when the device is used, the valve rod 6 fixedly connected with the device body can be driven to rotate only by holding the installation disc 12 and rotating, the butterfly plate 9 is fixedly sleeved on the outer side wall of the valve rod 6, the butterfly plate 9 is driven to rotate by rotating the valve rod 6, the butterfly plate 9 rotates a quarter of a circumference, the butterfly plate 9 is separated from the first sealing rings 8 on the two sides of the groove 2 at the moment, the opening of the groove 2 is opened, the butterfly plate 9 rotates the quarter of the circumference again in the same way, the butterfly plate 9 is contacted with the first sealing rings 8 on the two sides of the groove 2 at the moment, the opening of the groove 2 is closed, the butterfly plate 9 and the two limiting rings 7 are fixedly sleeved on the valve rod 6, the two limiting rings 7 are arranged in a vertical symmetry manner and are positioned on the upper side and the lower side of the butterfly plate 9, the two limiting rings, second spacing groove 4 is cylindrical groove, and spacing collar 7 is installed on valve rod 6, does benefit to valve rod 6 and rotates, and has played limiting displacement to valve rod 6, has strengthened the structure steadiness and the rotation smoothness nature of device body greatly, and the integrated device practical application is worth highly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a flange metal butterfly valve that seals firmly, includes valve body (1), its characterized in that: a groove (2) is formed between the central positions of two side walls of the valve body (1), first limiting grooves (3) are symmetrically formed in the central positions of the upper side wall and the lower side wall of the groove (2), two first limiting grooves (3) are symmetrically formed in the side wall away from one side wall, a second limiting groove (4) is formed in the central position of the inner top wall of the second limiting groove (4) at the upper side, a first mounting groove (5) is formed in the central position of the inner top wall of the second limiting groove (4), the first mounting groove (5), the two first limiting grooves (3) and the two second limiting grooves (4) are connected with a same valve rod (6) in a sliding mode, a mounting disc (12) is fixedly connected to the top wall of the valve rod (6), a butterfly plate (9) and two limiting rings (7) are fixedly sleeved on the valve rod (6), the two limiting rings (7) are arranged in a vertically symmetrical mode and, mounting holes (13) are formed between two side walls at four corners of the valve body (1).

2. A flange metal hard seal butterfly valve according to claim 1, wherein: the valve is characterized in that the center of the bottom wall of the mounting disc (12) is fixedly connected with the top wall of the valve rod (6), and the mounting disc (12) is located right above the valve body (1).

3. A flange metal hard seal butterfly valve according to claim 1, wherein: two spacing collar (7) sliding connection is in second spacing groove (4) of this side, spacing collar (7) are the smooth annular metal circle of outward appearance, second spacing groove (4) are cylindrical groove.

4. A flange metal hard seal butterfly valve according to claim 1, wherein: butterfly plate (9) are located recess (2) central point and put, second mounting groove (10) have been seted up between the wall central point about butterfly plate (9) puts, two opening part fixed mounting have second sealing washer (11) about butterfly plate (9) lateral wall is located second mounting groove (10).

5. A flange metal hard seal butterfly valve according to claim 4, wherein: the side wall of the valve rod (6) is fixedly connected in the second mounting groove (10) and the second sealing ring (11).

6. A flange metal hard seal butterfly valve according to claim 1, wherein: four mounting holes (13) are threaded holes, two first sealing rings (8) are symmetrically arranged and located on two sides of the butterfly plate (9), and the first mounting groove (5) and the two first limiting grooves (3) are cylindrical grooves.