CN212804295U

CN212804295U - Packing sealing equipment for ultra-high temperature butterfly valve

Info

Publication number: CN212804295U
Application number: CN202021747725.4U
Authority: CN
Inventors: 殷爱斌
Original assignee: Jiangsu Longmai Environmental Protection Equipment Co ltd
Current assignee: Jiangsu Suda Valve Manufacturing Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-26
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses an ultra-temperature butterfly valve filler sealing equipment, the water-cooled double-layer pressure regulating valve comprises a valve body, the middle part of valve body is provided with the pivot, and the pivot is partial to one side of valve body, the middle part fixedly connected with connecting plate of pivot, one side of connecting plate is provided with the closing plate, one side threaded connection of closing plate has a plurality of groups of third hexagon socket head cap screw, the first baffle of valve body internal surface fixedly connected with, valve body internal surface fixedly connected with second baffle. The utility model discloses in, when fluid such as water passes through, can lead to the closing plate can only be rotatory to the assigned direction because the closing plate is different with pivot neutral line boundary both ends area, make the closing plate only can paste tight first baffle and second baffle at the circulation in-process, thereby realize sealed, rotate first hexagon socket head cap screw when packing consumption, make first hexagon socket head cap screw support the semicircle and support the board and then support the filler, make the filler continue to hug closely the pivot, prevented that packing consumption from leading to the leakproofness to reduce.

Description

Packing sealing equipment for ultra-high temperature butterfly valve

Technical Field

The utility model relates to a butterfly valve field especially relates to ultra-high temperature butterfly valve packing sealing equipment.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The packing of the existing packing sealing equipment for the butterfly valve is worn during use to cause the reduction of the sealing performance, and the sealing plate is not closed tightly to cause the larger the sealing plate is when the existing packing sealing equipment for the butterfly valve is closed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the ultra-high temperature butterfly valve packing sealing equipment who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: ultra-temperature butterfly valve packing sealing equipment, including the valve body, the middle part of valve body is provided with the pivot, and one side of pivot erroneous tendency valve body, the middle part fixedly connected with connecting plate of pivot, one side of connecting plate is provided with the closing plate, one side threaded connection of closing plate has a plurality of groups third hexagon socket head cap screw, and connecting plate and closing plate pass through third hexagon socket head cap screw fixed connection, the first baffle of valve body internal surface fixedly connected with, and first baffle is located one side of closing plate, valve body internal surface fixedly connected with second baffle, and the second baffle is located the closing plate opposite side, and first baffle and second baffle are located the different both sides of valve body internal surface respectively, the upper end fixedly connected with valve rod of valve body, the upper end fixedly connected with carriage of valve rod, the screw hole has been seted up to the both sides.

As a further description of the above technical solution:

and one side of the lower end of the valve body is in threaded connection with a second inner hexagonal bolt, and one end of the second inner hexagonal bolt is provided with a sealing element.

As a further description of the above technical solution:

the outer surface of the lower end cylinder of the rotating shaft is fixedly connected with a bearing, the bearing is located in the valve body, one side of the lower end of the bearing is provided with a connecting seat, and the connecting seat is located at the upper end of the sealing element.

As a further description of the above technical solution:

the inside of valve body is provided with the insulating layer, threaded hole screw thread internal surface threaded connection has first hexagon socket head cap screw, and the cylinder surface of pivot is all hugged closely to connecting frame and valve rod.

As a further description of the above technical solution:

the upper end fixedly connected with bull stick of pivot, a plurality of groups of through-holes have been seted up to the cylinder surface of valve body.

As a further description of the above technical solution:

the connecting frame is internally provided with a semicircular arc abutting plate, the semicircular arc abutting plate is positioned at one end of the first inner hexagonal bolt, and one end of the semicircular arc abutting plate is provided with a filler.

The utility model discloses following beneficial effect has:

1. when fluid such as water passes through, the sealing plate can only rotate towards the appointed direction because the two end areas of the sealing plate are different with the boundary of the neutral line of the rotating shaft, so that the sealing plate can only be tightly attached to the first baffle and the second baffle in the circulating process, and sealing is realized.

2. When the filler is consumed, the first inner hexagon bolt is rotated to abut against the semicircular arc abutting plate and further abut against the filler, so that the filler is continuously attached to the rotating shaft, and the reduction of the sealing performance caused by the consumption of the filler is prevented.

Drawings

Fig. 1 is a side sectional view of the ultra-high temperature butterfly valve packing sealing device provided by the present invention;

fig. 2 is an enlarged view of a part a in fig. 1 of the ultra-high temperature butterfly valve packing sealing device provided by the present invention;

fig. 3 is a top cross-sectional view of the connection frame of the ultra-high temperature butterfly valve packing sealing device provided by the present invention;

fig. 4 is a top cross-sectional view of the valve body of the ultra-high temperature butterfly valve packing sealing device provided by the present invention;

fig. 5 is a front view of the ultra-high temperature butterfly valve packing sealing device provided by the present invention;

fig. 6 is the utility model provides a back view of ultra-high temperature butterfly valve packing sealing device.

Illustration of the drawings:

1. a rotating rod; 2. a filler; 3. a connecting frame; 4. a valve stem; 5. a connecting plate; 6. a first baffle plate; 7. a sealing plate; 8. a thermal insulation layer; 9. a valve body; 10. a semicircular arc resisting plate; 11. a first hexagon socket head cap screw; 12. a rotating shaft; 13. a bearing; 14. a connecting seat; 15. a second hexagon socket screw; 16. a seal member; 17. a threaded hole; 18. a third hexagon socket screw; 19. a second baffle; 20. and a through hole.

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. 1-6, the present invention provides an embodiment: in order to achieve the above purpose, the utility model adopts the following technical scheme: the packing sealing device for the ultra-high-temperature butterfly valve comprises a valve body 9, wherein a rotating shaft 12 is arranged in the middle of the valve body 9, the rotating shaft 12 is deviated to one side of the valve body 9, a connecting plate 5 is fixedly connected to the middle of the rotating shaft 12, a sealing plate 7 is arranged on one side of the connecting plate 5, one side of the sealing plate 7 is in threaded connection with a plurality of groups of third hexagon socket head cap bolts 18, the connecting plate 5 and the sealing plate 7 are fixedly connected through the third hexagon socket head cap bolts 18, a first baffle 6 is fixedly connected to the inner surface of the valve body 9, the first baffle 6 is positioned on one side of the sealing plate 7, a second baffle 19 is fixedly connected to the inner surface of the valve body 9, the second baffle 19 is positioned on the other side of the sealing plate 7, the first baffle 6 and the second baffle 19 are respectively positioned on two different sides of the inner surface of, through the pivot 12 that sets up, connecting plate 5, closing plate 7, first baffle 6 and second baffle 19, can drive connecting plate 5 through pivot 12 and rotate, and then drive closing plate 7 and rotate along pivot 12, first baffle 6 and second baffle 19 can be blocked by closing plate 7 when rotating to a certain extent, restriction closing plate 7 rotates, seal simultaneously, when fluid such as water passes through, can be because closing plate 7 is different with pivot 12 neutral line demarcation both ends area, it can only be rotatory to the direction of designation to lead to closing plate 7, make closing plate 7 only can paste tight first baffle 6 and second baffle 19 at the circulation in-process, thereby realize sealing. Through the connecting frame 3, the semicircle that set up support board 10, first hexagon socket head cap screw 11 and pack 2, can rotate first hexagon socket head cap screw 11 when packing 2 consumes, can make first hexagon socket head cap screw 11 support semicircle and support board 10 and then support packing 2, make packing 2 continue to hug closely pivot 12, prevented that packing 2 from consuming and leading to the leakproofness to reduce.

A second inner hexagonal bolt 15 is connected to one side of the lower end of the valve body 9 through a thread, a sealing element 16 is arranged at one end of the second inner hexagonal bolt 15, the sealing element 16 can be fixed to the lower end of the second inner hexagonal bolt 15, a bearing 13 is fixedly connected to the outer surface of a lower end cylinder of the rotating shaft 12, the bearing 13 is located in the valve body 9, a connecting seat 14 is arranged at one side of the lower end of the bearing 13, the connecting seat 14 is located at the upper end of the sealing element 16 and can seal the bearing 13, a heat insulation layer 8 is arranged inside the valve body 9, a first inner hexagonal bolt 11 is connected to the inner surface of a thread of a threaded hole 17 through a thread, the connecting frame 3 and the valve rod 4 are tightly attached to the outer surface of the rotating shaft 12, the heat insulation layer 8 can insulate the valve body 9 from heat, a rotating rod 1 is fixedly connected to the, the semicircular arc resisting plate 10 is located at one end of the first inner hexagon bolt 11, the filler 2 is arranged at one end of the semicircular arc resisting plate 10, and the first inner hexagon bolt 11 can be rotated to enable the filler 2 to play a sealing role all the time.

The working principle is as follows: the rotating rod 1 is rotated to drive the rotating shaft 12 to rotate, the rotating shaft 12 drives the connecting plate 5 to rotate, and then the sealing plate 7 is driven to rotate along the rotating shaft 12, when the rotating rod rotates to a certain degree, the first baffle plate 6 and the second baffle plate 19 can be blocked by the sealing plate 7, the rotation of the sealing plate 7 is limited, and the sealing plate 7 is sealed simultaneously, when water and other fluids pass through, because the two end areas of the sealing plate 7 which is demarcated by the neutral line of the rotating shaft 12 are different, the sealing plate 7 can only rotate towards the appointed direction, the sealing plate 7 only can be tightly attached to the first baffle plate 6 and the second baffle plate 19 in the circulation process, so that the sealing is realized, the first inner hexagonal bolt 11 can be rotated when the filler 2 is consumed, the first inner hexagonal bolt 11 can be abutted to the semi-circular arc abutting plate 10 and further abutted to the filler 2, and the filler 2 is continuously tightly attached to the rotating shaft 12, the packing 2 is prevented from being consumed to cause deterioration of the sealing property.

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. Ultra-temperature butterfly valve packing sealing equipment, including valve body (9), its characterized in that: a rotating shaft (12) is arranged in the middle of the valve body (9), the rotating shaft (12) is deviated to one side of the valve body (9), a connecting plate (5) is fixedly connected to the middle of the rotating shaft (12), a sealing plate (7) is arranged on one side of the connecting plate (5), one side of the sealing plate (7) is in threaded connection with a plurality of groups of third inner hexagon bolts (18), the connecting plate (5) and the sealing plate (7) are fixedly connected through the third inner hexagon bolts (18), a first baffle plate (6) is fixedly connected to the inner surface of the valve body (9), the first baffle plate (6) is positioned on one side of the sealing plate (7), a second baffle plate (19) is fixedly connected to the inner surface of the valve body (9), the second baffle plate (19) is positioned on the other side of the sealing plate (7), and the first baffle plate (6) and the second baffle plate (19) are respectively positioned, the upper end fixedly connected with valve rod (4) of valve body (9), the upper end fixedly connected with connection frame (3) of valve rod (4), threaded hole (17) are seted up to the both sides of connection frame (3).

2. The ultra-high temperature butterfly valve packing sealing device according to claim 1, characterized in that: one side of the lower end of the valve body (9) is in threaded connection with a second inner hexagonal bolt (15), and one end of the second inner hexagonal bolt (15) is provided with a sealing piece (16).

3. The ultra-high temperature butterfly valve packing sealing device according to claim 1, characterized in that: the outer surface of a lower end cylinder of the rotating shaft (12) is fixedly connected with a bearing (13), the bearing (13) is located in the valve body (9), a connecting seat (14) is arranged on one side of the lower end of the bearing (13), and the connecting seat (14) is located at the upper end of a sealing piece (16).

4. The ultra-high temperature butterfly valve packing sealing device according to claim 1, characterized in that: the inside of valve body (9) is provided with insulating layer (8), threaded internal surface threaded connection of screw hole (17) has first hexagon socket head cap screw (11), and the cylinder surface of pivot (12) is all hugged closely in connecting frame (3) and valve rod (4).

5. The ultra-high temperature butterfly valve packing sealing device according to claim 1, characterized in that: the upper end fixedly connected with bull stick (1) of pivot (12), a plurality of groups through-hole (20) have been seted up to the cylinder surface of valve body (9).

6. The ultra-high temperature butterfly valve packing sealing device according to claim 1, characterized in that: the connecting frame (3) is internally provided with a semi-circular arc abutting plate (10), the semi-circular arc abutting plate (10) is positioned at one end of the first hexagon socket head cap screw (11), and one end of the semi-circular arc abutting plate (10) is provided with a filler (2).