CN215568009U

CN215568009U - Double-eccentric butterfly valve seat of seamless steel pipe

Info

Publication number: CN215568009U
Application number: CN202121177021.2U
Authority: CN
Inventors: 游昌民
Original assignee: Henan Yuda Valve Manufacturing Co ltd
Current assignee: Henan Yuda Valve Manufacturing Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-18
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a seamless steel pipe double-eccentric butterfly valve seat, which comprises a gear box and a valve body, wherein a connecting flange is fixedly arranged on the front surface of the valve body, bolt holes are distributed on the front surface of the connecting flange, a seamless steel pipe lining is sleeved on the inner side of the valve body, mounting seats are arranged at the upper end and the lower end of the valve body, a connecting plate is fixedly arranged at the top of the mounting seat, a gear box is fixedly arranged at the top of the connecting plate, a shaft lever is fixedly arranged at the bottom of the gear box, and the shaft lever extends to the mounting seat at the bottom of the valve body. The production cost of the device is reduced, and the using effect of the device is ensured.

Description

Double-eccentric butterfly valve seat of seamless steel pipe

Technical Field

The utility model relates to a valve seat, in particular to a seamless steel pipe double-eccentric butterfly valve seat, and belongs to the technical field of valves.

Background

The valve has a plurality of varieties, and the double-eccentric butterfly valve is one of the valves, is also called as a high-performance butterfly valve, is mainly suitable for drainage of systems of water plants, power plants and the like, is particularly suitable for water pipelines and is used as regulating and intercepting equipment. Wherein the mass of the valve seat will have an impact on the overall mass of the valve.

The existing valve seat is welded by adopting a cast part welding mode, but the whole shape of the butterfly valve is slightly asymmetric by adopting the mode, so that the problem that the disc excessively rubs the inner wall in the using process is caused, the service life is shortened, and the problem of liquid leakage of the valve is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a seamless steel pipe double-eccentric butterfly valve seat to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a seamless steel pipe double-eccentric butterfly valve disk seat, includes gear box and valve body, the positive fixed mounting of valve body has flange, flange's front distribution has the bolt hole, the inboard cover of valve body has seamless steel pipe inside lining, the mount pad is installed at the upper and lower both ends of valve body, the top fixed mounting of mount pad has the connecting plate, the top fixed mounting of connecting plate has the gear box, the bottom fixed mounting of gear box has the axostylus axostyle, and the axostylus axostyle extends to the mount pad of valve body bottom.

Preferably, the maintenance board is installed through the bolt in the top of gear box, one side fixed mounting of gear box has the pivot, the one end fixed mounting of pivot has the installation head.

Preferably, a sealing base plate is installed on the inner side of the connecting flange, a sealing ring is arranged on one side of the sealing base plate, and the sealing base plate is located at two ends of the seamless steel pipe lining.

Preferably, a shaft seat is arranged at the joint of the shaft lever and the seamless steel pipe lining, and two groups of mounting holes are formed in the front surface of the shaft lever.

Preferably, the outer side of the mounting seat is fixedly provided with a fixing sleeve, and the bottom of the fixing sleeve is fixedly connected with the valve body through a mounting plate.

Preferably, a waterproof bearing is fixedly mounted on the inner side of the mounting seat, a shaft connector sealing piece is fixedly mounted at the top of the waterproof bearing, and side sealing gaskets are fixedly mounted on two sides of the mounting seat.

Preferably, the top of the connecting plate is fixedly provided with a support frame, and the support frame is positioned on the outer side of the shaft rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the seamless steel pipe double-eccentric butterfly valve seat, the strength of the device can be effectively improved by adopting the seamless steel pipe lining, the sealing performance of the whole device can be effectively improved by adopting the seamless steel pipe as the lining, the problem of leakage caused by aging of a welding seam is avoided, the cost of the whole valve can be reduced, the valve seat does not need to be manufactured by cutting by using the seamless steel pipe, the production cost of the whole device is reduced, the use effect of the device is ensured, the seamless steel pipe as the lining can be replaced when being damaged, and the use cost of the device is reduced again.

2. According to the double-eccentric butterfly valve seat for the seamless steel pipe, the lining of the seamless steel pipe can be effectively fixed by adopting the matching use of the mounting plate and the sealing base plate, the problem that the position of the lining of the seamless steel pipe moves is avoided, the butterfly valve in the device can be driven to rotate by adopting the gear box, the use convenience of the device is improved, the waterproof bearing is arranged, the problem that the joint of water flow leaks at the same time can be prevented, and the safety of the device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic view of the valve body structure of the present invention;

fig. 4 is a schematic structural diagram of the mounting base of the present invention.

In the figure: 1. a gear case; 2. a connecting plate; 3. a connecting flange; 4. a shaft lever; 5. lining a seamless steel pipe; 6. mounting holes; 7. bolt holes; 8. a mounting seat; 9. maintaining the plate; 10. a rotating shaft; 11. a mounting head; 12. a support frame; 13. a shaft seat; 14. a valve body; 15. fixing a sleeve; 16. mounting a plate; 17. sealing the base plate; 18. a seal ring; 19. a shaft interface seal; 20. a side sealing gasket; 21. a waterproof bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a seamless steel pipe double eccentric butterfly valve seat, including a gear box 1 and a valve body 14, a connecting flange 3 is fixedly installed on the front surface of the valve body 14, the connecting flange 3 can improve the installation convenience of the device, the device is connected with other equipment, bolt holes 7 are distributed on the front surface of the connecting flange 3, the bolt holes 7 facilitate the installation of flange bolts on the device, the installation stability of the device is improved, a seamless steel pipe lining 5 is sleeved on the inner side of the valve body 14, the seamless steel pipe lining 5 can be installed on the inner side of the device, the sealing performance of the whole device can be effectively improved by adopting the seamless steel pipe lining 5, the leakage problem is prevented, installation seats 8 are installed on the upper and lower ends of the valve body 14, the installation seats 8 are used for fixedly installing a shaft lever 4, the shaft lever 4 is prevented from deviating in the rotating process, and the use stability of the device is improved, the top fixed mounting of mount pad 8 has connecting plate 2, connecting plate 2 is used for gear box 1 at fixed mounting top, improve the holistic stability of device, the top fixed mounting of connecting plate 2 has

gear box

1, 1 moment that can change the gear of gear box, thereby make things convenient for personnel to pass through manual mode switching valve, the convenience that the improvement device used, gear box 1's bottom fixed mounting has axostylus axostyle 4, axostylus axostyle 4 can drive the valve plate and rotate, open the device, and axostylus axostyle 4 extends to the mount pad 8 of 14 bottoms of valve body, mount pad 8 can fix axostylus axostyle 4, avoid axostylus axostyle 4 to take place the problem of rocking.

In the utility model: maintenance board 9 is installed through the bolt in gear box 1's top, and maintenance board 9 can be dismantled and maintain gear box 1, guarantees the normal use of device, and one side fixed mounting of gear box 1 has pivot 10, and pivot 10 drives 1 interior equipment of gear box and rotates, and the one end fixed mounting of pivot 10 has installation head 11, and installation head 11 conveniently installs this device and other equipment, increases the application range of device.

In the utility model: the inside of flange 3 is installed sealed backing plate 17, and sealed backing plate 17 can increase the holistic leakproofness of device, prevents to discover the problem of liquid leakage, and one side of sealed backing plate 17 is provided with sealing washer 18, and sealing washer 18 increases the leakproofness of device once more, and sealed backing plate 17 is located the both ends of seamless steel pipe inside lining 5.

In the utility model: the junction of axostylus axostyle 4 and seamless steel pipe inside lining 5 is provided with axle bed 13, and axle bed 13 is used for fixed mounting axostylus axostyle 4, when avoiding axostylus axostyle 4 to rock, improves the holistic leakproofness of device, and axostylus axostyle 4's front is provided with two sets of mounting holes 6, and mounting hole 6 can be the valve of easy to assemble butterfly valve.

In the utility model: the outside fixed mounting of mount pad 8 has fixed cover 15, and fixed cover 15 is used for fixed mounting seat 8, avoids mount pad 8 to rock at the process of using, also can take off mount pad 8 simultaneously and change seamless steel pipe inside lining 5, and mounting panel 16 and valve body 14 fixed connection are passed through to fixed cover 15's bottom.

In the utility model: the inboard fixed mounting of mount pad 8 has waterproof bearing 21, waterproof bearing 21 makes its this device can not take place the problem of leaking at the pivoted in-process, waterproof bearing 21's top fixed mounting has axle interface sealing member 19, axle interface sealing member 19 increases the leakproofness of device once more, the both sides fixed mounting of mount pad 8 has side seal gasket 20, side seal gasket 20 is used for improving the leakproofness between mount pad 8 and the equipment, avoid appearing from the problem that the mount pad 8 junction takes place to leak.

In the utility model: the top fixed mounting of connecting plate 2 has support frame 12, and support frame 12 can support the gear box 1 at fixed top, prevents that gear box 1 from taking place to rock the problem that drops, and support frame 12 is located the outside of axostylus axostyle 4.

During the specific use, install seamless steel pipe inside lining 5 at the inner wall of valve body 14 earlier, then with the sealed backing plate 17 fixed mounting of flange 3 inner wall, fix seamless steel pipe inside lining 5, simultaneously with the upper and lower both sides installation mount pad 8 of valve body 14, then run through mount pad 8 with axostylus axostyle 4, install gear box 1 at the top of support frame 12 again simultaneously, gear box 1 and axostylus axostyle 4 fixed connection, can accomplish the installation of device.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two eccentric butterfly valve disk seats of seamless steel pipe, includes gear box (1) and valve body (14), its characterized in that, the positive fixed mounting of valve body (14) has flange (3), flange (3) openly distribute there are bolt hole (7), the inboard cover of valve body (14) has seamless steel pipe inside lining (5), mount pad (8) are installed at the upper and lower both ends of valve body (14), the top fixed mounting of mount pad (8) has connecting plate (2), the top fixed mounting of connecting plate (2) has gear box (1), the bottom fixed mounting of gear box (1) has axostylus axostyle (4), and axostylus axostyle (4) extend to mount pad (8) of valve body (14) bottom.

2. The seamless steel tube double eccentric butterfly valve seat according to claim 1, characterized in that: maintenance board (9) are installed through the bolt in the top of gear box (1), one side fixed mounting of gear box (1) has pivot (10), the one end fixed mounting of pivot (10) has installation head (11).

3. The seamless steel tube double eccentric butterfly valve seat according to claim 1, characterized in that: a sealing base plate (17) is installed on the inner side of the connecting flange (3), a sealing ring (18) is arranged on one side of the sealing base plate (17), and the sealing base plate (17) is located at two ends of the seamless steel pipe lining (5).

4. The seamless steel tube double eccentric butterfly valve seat according to claim 1, characterized in that: and a shaft seat (13) is arranged at the joint of the shaft lever (4) and the seamless steel pipe lining (5), and two groups of mounting holes (6) are arranged on the front surface of the shaft lever (4).

5. The seamless steel tube double eccentric butterfly valve seat according to claim 1, characterized in that: the outer side of the mounting seat (8) is fixedly provided with a fixing sleeve (15), and the bottom of the fixing sleeve (15) is fixedly connected with the valve body (14) through a mounting plate (16).

6. The seamless steel tube double eccentric butterfly valve seat according to claim 1, characterized in that: the inner side of the mounting seat (8) is fixedly provided with a waterproof bearing (21), the top of the waterproof bearing (21) is fixedly provided with a shaft connector sealing piece (19), and two sides of the mounting seat (8) are fixedly provided with side sealing gaskets (20).

7. The seamless steel tube double eccentric butterfly valve seat according to claim 1, characterized in that: the top of connecting plate (2) is fixed mounting has support frame (12), and support frame (12) are located the outside of axostylus axostyle (4).