CN210461853U

CN210461853U - Valve sealing connecting flange

Info

Publication number: CN210461853U
Application number: CN201921222594.5U
Authority: CN
Inventors: 孙慧慧
Original assignee: Xinjiang West Oil Gas Pipe Parts Manufacturing Co ltd
Current assignee: Xinjiang West Oil Gas Pipe Parts Manufacturing Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-05
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a valve seal flange relates to the valve field, including last valve body, bolt and nut, go up the first flange of lateral surface bottom fixedly connected with of valve body, the bottom threaded connection of first flange has first sealed the pad, the right side fixedly connected with second positioning flange of first flange, the bottom threaded connection of first sealed pad has the second flange, the valve body under the medial surface fixedly connected with of second flange. The utility model discloses an at the inside fixed connection square seal of locking ring, played the sealed effect of connecting between the valve to prevented the leakage phenomenon, through setting up the cylindrical roller in the rotating flange, realized down the valve body and rotated, thereby improved the flexibility of valve, through set up first gasket between first flange and second flange, can the wearing and tearing between effectual first flange of protection and the second flange, thereby played the effect of long-term use.

Description

Valve sealing connecting flange

Technical Field

The utility model relates to a valve field, in particular to valve seal flange.

Background

The flange is a part for connecting the shaft and is used for connecting pipe ends, the flange is also used on an inlet and an outlet of equipment and is used for connecting two pieces of equipment, such as a speed reducer flange, a flange connection or a flange joint, the flange and the flange joint are connected with each other to form a detachable connection of a combined sealing structure, and the valve is a device for controlling the direction, pressure and flow of fluid in a fluid system and is a device for enabling a medium in a pipe and the equipment to flow or stop and controlling the flow of the medium.

However, in the prior art, the valve sealing connecting flange is widely used in the pipeline industry, but in general pipeline connection, leakage is easy to occur, and most of the flanges have poor sealing performance and are not flexible enough to connect the valve, and meanwhile, the effect of long-term use cannot be brought.

Therefore, it is necessary to develop a valve sealing flange to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve seal flange 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: a valve sealing connecting flange comprises an upper valve body, bolts and nuts, wherein a first flange is fixedly connected to the bottom of the outer side surface of the upper valve body, a first sealing gasket is connected to the bottom of the first flange in a threaded manner, a second positioning flange is fixedly connected to the right side of the first flange, a second flange is connected to the bottom of the first sealing gasket in a threaded manner, a lower valve body is fixedly connected to the inner side surface of the second flange, a first positioning flange is fixedly connected to the right side of the second flange, transmission shafts are inserted into the upper valve body and the lower valve body, a valve core is fixedly connected to the bottom end of the transmission shaft, a valve port is formed in the lower valve body, third flange discs are fixedly connected to two sides of the lower valve body, a second gasket is movably connected to the left side of the bottom of the second flange, a rotating flange is fixedly connected to the bottom end of the upper valve body, and a cylindrical roller is movably, the improved structure of the valve is characterized in that a locking ring is fixedly connected to the bottom of the left side of the upper valve body and the top of the left side of the lower valve body, a square sealing ring is fixedly connected to the inside of the locking ring, the bottom of the left side of the upper valve body and the top of the left side of the lower valve body are fixedly connected with the right side of the square sealing ring, a V-shaped groove is formed in the bottom of the right side of the first flange and the top of the right side of the second flange, and the right side of the first sealing gasket is fixedly connected with the left side of the V.

Optionally, the bottom of the second positioning flange and the top of the first flange are both fixedly connected with a first gasket, and the top of the first positioning flange and the bottom of the second flange are both fixedly connected with the first gasket.

Optionally, the annular groove is formed in the right side of the first positioning flange and the right side of the second positioning flange, and the valve grooves are formed in the upper valve body and the lower valve body.

Optionally, the outer side surface of the valve core is attached to the inner side surface of the lower valve body, and a second sealing gasket is fixedly connected to the left side of the third flange plate.

Optionally, the bottom of the second gasket is movably connected with the top of the nut, and the inner side surface of the second gasket is in threaded connection with the bottom of the outer side surface of the bolt.

Optionally, the bolt penetrates through the first flange and the second flange and is in threaded connection with the nut, and a second groove is formed in the bottom of the rotating flange.

Optionally, the bottoms of the cylindrical roller and the rotating flange are movably connected with the top of the lower valve body, and a first groove is formed in the locking ring.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an at the inside fixed connection square seal of locking ring, played the sealed effect of connecting between the valve to prevented leakage phenomenon, through setting up the cylindrical roller in the rotating flange, realized that the lower valve body rotates, thereby improved the flexibility of valve.

2. The utility model discloses a set up first gasket between first flange and second flange, can the wearing and tearing between first flange of effectual protection and the second flange to long-term use's effect has been played.

Drawings

Fig. 1 is the front view of the utility model.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

Fig. 4 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1. an upper valve body; 2. a lower valve body; 3. a drive shaft; 4. a valve core; 5. a first gasket; 6. a first flange; 7. a second flange; 8. a first positioning flange; 9. a second positioning flange; 10. an annular groove; 11. a third flange plate; 12. a valve port; 13. a V-shaped groove; 14. a first groove; 15. a V-shaped sealing ring; 16. locking a ring; 17. a square seal ring; 18. a cylindrical roller; 19. a second groove; 20. a first gasket; 21. a second gasket; 22. a bolt; 23. a second gasket; 24. a nut; 25. a valve spool; 26. the flange is rotated.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a valve sealing connecting flange as shown in figures 1-4, which comprises an upper valve body 1, bolts 22 and nuts 24, wherein the bottom of the outer side surface of the upper valve body 1 is fixedly connected with a first flange 6, the bottom of the first flange 6 is in threaded connection with a first sealing gasket 20, the right side of the first flange 6 is fixedly connected with a second positioning flange 9, the bottom of the second positioning flange 9 and the top of the first flange 6 are both fixedly connected with a first gasket 5, the abrasion between the first flange 6 and the second positioning flange 9 can be effectively protected by arranging the first gasket 5 between the first flange 6 and the second positioning flange 9, thereby the effect of long-term use is achieved, the bottom of the first sealing gasket 20 is in threaded connection with a second flange 7, the inner side surface of the second flange 7 is fixedly connected with a lower valve body 2, and by arranging the threaded connection between the first flange 6 and the second flange 7, the fixing between the upper valve body 1 and the lower valve body 2 can be effectively enhanced, the right side of the second flange 7 is fixedly connected with a first positioning flange 8, the top of the first positioning flange 8 and the bottom of the second flange 7 are fixedly connected with a first gasket 5, the right sides of the first positioning flange 8 and the second positioning flange 9 are respectively provided with an annular groove 10, the annular grooves 10 arranged on the first positioning flange 8 and the second positioning flange 9 are matched with an external flange structure to achieve a positioning effect, the inner parts of the upper valve body 1 and the lower valve body 2 are respectively inserted with a transmission shaft 3, the inner parts of the upper valve body 1 and the lower valve body 2 are respectively provided with a valve groove 25, the first sealing gasket 20 is arranged between the first flange 6 and the second flange 7 to ensure the sealing performance between the flange connections, thereby degrading the corrosion to the transmission shaft 3, realizing the long-term use effect, the bottom end of the transmission shaft 3 is fixedly connected with a valve core 4, the outer side surface of the valve core 4 is attached to the inner side surface of the lower valve body 2, the valve ports 12 are arranged in the lower valve body 2, the two sides of the lower valve body 2 are fixedly connected with third flange discs 11, the left side of each third flange disc 11 is fixedly connected with a second sealing gasket 21, the sealing property of connection between the lower valve body and a pipeline is ensured by fixedly connecting the second sealing gasket 21 to the left side of each third flange disc 11, the left side of the bottom of each second flange 7 is movably connected with a second gasket 23, the bottom of each second gasket 23 is movably connected with the top of a nut 24, the inner side surface of each second gasket 23 is in threaded connection with the bottom of the outer side surface of a bolt 22, the bolt 22 penetrates through the first flange 6 and the second flange 7 and is in threaded connection with the nut 24, the bottom end of the upper valve body 1 is fixedly connected with a rotating flange 26, the bottom of the rotating flange 26 is provided with a, the bottom of the cylindrical roller 18 and the rotary flange 26 are movably connected with the top of the lower valve body 2, the rotation of the lower valve body 2 is realized by arranging the cylindrical roller 18 in the rotary flange 26, thereby improving the flexibility of the valve, the left bottom of the upper valve body 1 and the left top of the lower valve body 2 are fixedly connected with the locking ring 16, the locking ring 16 is internally provided with a first groove 14, the inside of the locking ring 16 is fixedly connected with the square sealing ring 17, the sealing effect of the connection between the valves is achieved by fixedly connecting the square sealing ring 17 in the locking ring 16, thereby preventing the leakage phenomenon, the left bottom of the upper valve body 1 and the left top of the lower valve body 2 are fixedly connected with the right side of the square sealing ring 17, the left side of the square sealing ring 17 is fixedly connected with the V-shaped sealing ring 15, the sealing performance of the connection between the upper valve body 1 and the lower valve body 2 is improved by arranging the V-shaped sealing ring, v type groove 13 has all been seted up to the right side bottom of first flange 6 and the right side top of second flange 7, the right side of first sealed pad 20 and the left side fixed connection of V type sealing washer 15.

This practical theory of operation:

when the device is installed, the second flange 7 is installed on the lower valve body 2, the first sealing gasket 20, the square sealing ring 17 and the V-shaped sealing ring 15 are correspondingly installed on the second flange 7 respectively, the first flange 6 and the rotary flange 26 are installed on the upper valve body 1 respectively, through connection between the upper valve body 1 and the lower valve body 2, the connection between the upper valve body 1 and the lower valve body 2 is fixed through bolts 22, the second gasket 23 and nuts 24, the second sealing gasket 21 is installed on the third flange plate 11, and meanwhile, the first positioning flange 8 and the second positioning flange 9 are installed finally, and positioning is carried out through matching of an external convex edge structure, so that the device can be used.

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 valve seal flange, includes valve body (1), bolt (22) and nut (24), its characterized in that: the bottom of the outer side surface of the upper valve body (1) is fixedly connected with a first flange (6), the bottom of the first flange (6) is in threaded connection with a first sealing gasket (20), the right side of the first flange (6) is fixedly connected with a second positioning flange (9), the bottom of the first sealing gasket (20) is in threaded connection with a second flange (7), the inner side surface of the second flange (7) is fixedly connected with a lower valve body (2), the right side of the second flange (7) is fixedly connected with a first positioning flange (8), transmission shafts (3) are respectively inserted into the upper valve body (1) and the lower valve body (2), the bottom end of each transmission shaft (3) is fixedly connected with a valve core (4), the inner part of the lower valve body (2) is respectively provided with a valve port (12), both sides of the lower valve body (2) are respectively and fixedly connected with a third flange plate (11), the left side of the bottom of the second flange (7) is movably connected with a second gasket, go up bottom fixedly connected with rotating flange (26) of valve body (1), the inside swing joint of rotating flange (26) has cylindrical roller (18), the left side bottom of going up valve body (1) and lower valve body (2) left side top equal fixedly connected with locking ring (16), the inside fixedly connected with square seal (17) of locking ring (16), the left side bottom of going up valve body (1) and lower valve body (2) left side top all with the right side fixed connection of square seal (17), the left side fixedly connected with V type sealing washer (15) of square seal (17), V type groove (13) have all been seted up at the right side bottom of first flange (6) and the right side top of second flange (7), the right side of first sealed pad (20) and the left side fixed connection of V type sealing washer (15).

2. A valve sealing coupling flange according to claim 1, wherein:

the bottom of second flange (9) and the equal fixedly connected with first gasket (5) in top of first flange (6), the top of first flange (8) and the bottom of second flange (7) all with first gasket (5) fixed connection.

3. A valve sealing coupling flange according to claim 1, wherein:

annular grooves (10) are formed in the right sides of the first positioning flange (8) and the second positioning flange (9), and valve grooves (25) are formed in the inner portions of the upper valve body (1) and the lower valve body (2).

4. A valve sealing coupling flange according to claim 1, wherein:

the outer side surface of the valve core (4) is attached to the inner side surface of the lower valve body (2), and a second sealing gasket (21) is fixedly connected to the left side of the third flange plate (11).

5. A valve sealing coupling flange according to claim 1, wherein:

the bottom of the second gasket (23) is movably connected with the top of the nut (24), and the inner side surface of the second gasket (23) is in threaded connection with the bottom of the outer side surface of the bolt (22).

6. A valve sealing coupling flange according to claim 1, wherein:

the bolt (22) penetrates through the first flange (6) and the second flange (7) and is in threaded connection with the nut (24), and a second groove (19) is formed in the bottom of the rotating flange (26).

7. A valve sealing coupling flange according to claim 1, wherein:

the bottom of the cylindrical roller (18) and the bottom of the rotating flange (26) are both movably connected with the top of the lower valve body (2), and a first groove (14) is formed in the locking ring (16).