CN216715283U

CN216715283U - Air bag type ceramic semi-ball valve

Info

Publication number: CN216715283U
Application number: CN202123294613.5U
Authority: CN
Inventors: 仇锋凯
Original assignee: Xiamen Xigong Valve Co ltd
Current assignee: Xiamen Xigong Valve Co ltd
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2022-06-10
Anticipated expiration: 2031-12-26

Abstract

The utility model discloses an air bag type ceramic hemisphere valve, which comprises a base, an O-shaped ring, a lower valve shaft, a valve body, a first screw, an air bag valve seat, a first pressing ring, a valve core, a second screw, a second pressing ring and a valve seat sealing ring, wherein the valve seat sealing ring is made of spherical structural ceramic, is corrosion-resistant and wear-resistant and can not be adhered with tar impurities; the air bag valve seat adopts an air bag type structure, and by utilizing the principle of the air bag type structure, after the valve body is inflated to the air bag valve seat through the air inlet pipe after the valve core is closed, the spherical ceramic structure of the valve seat sealing ring is contacted with the air bag valve seat due to air pressure, and the interior of the valve body is sealed; when the valve is opened, the air pressure of the air bag valve seat is firstly released through the exhaust pipe, the air bag valve seat is separated from the spherical ceramic structure of the valve seat sealing ring, then the valve core is opened, the air bag valve seat does not generate friction with the valve seat sealing ring when the valve is opened, abrasion is prevented, friction sparks are eliminated, the valve is flexibly and smoothly opened, and the service life of the valve is prolonged.

Description

Air bag type ceramic semi-ball valve

Technical Field

The utility model relates to the field of valve correlation, in particular to an air bag type ceramic hemispherical valve.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be divided into a shut-off valve, a check valve, an adjusting valve and the like according to the functions of the valve; a semi-ball valve is usually arranged in a gas pipeline in the coke oven gas for control, but the viscosity of tar in a system in the coke oven gas is too high, so that a valve core can be stuck, and a valve switch is blocked and cannot be normally used; the sealing surface of the valve is made of metal, which is easy to adhere tar and scale, so that the valve is not tight in sealing and causes leakage; the opening and closing of the valve are easy to generate sparks due to metal friction, and can cause gas explosion, so that the potential safety hazard exists.

Disclosure of Invention

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a gas-bag type ceramic half ball valve.

The utility model is realized in such a way that an air bag type ceramic half ball valve is constructed, the device comprises a valve body, a base is fixedly connected to the inner side of the bottom of the valve body, the inner side of the valve body is rotatably connected with a lower valve shaft, an air bag valve seat is arranged at one end of a valve channel of the valve body, the air bag valve seat is embedded and connected to the inner side of a first pressing ring, an air inlet pipe and an air outlet pipe are respectively arranged at the upper side and the lower side of the air bag valve seat, the first pressing ring is locked and fixed at one end of the valve body through a first screw, the top side of the lower valve shaft is inserted into the bottom of a valve core and connected with the valve core, a ceramic valve seat sealing ring with a spherical structure is arranged at one end of the valve core, the valve seat sealing ring is arranged at the inner side of the air bag valve seat, a second pressing ring is tightly pressed at the outer side of the valve seat sealing ring, and the second pressing ring is locked and fixed with the valve core through a second screw.

Preferably, when the valve core is positioned at the leftmost side, the position of the air bag valve seat corresponds to that of the valve seat sealing ring.

Preferably, an O-shaped ring is arranged on the inner side of the joint of the bottom of the valve body and the base.

Preferably, a first ball valve is arranged at the bottom side of the exhaust pipe, and a second ball valve is arranged at the top side of the air inlet pipe.

Preferably, the inner side surface of the air bag valve seat is provided with a sawtooth-shaped protruding structure.

Preferably, the top end of the valve core is connected with a valve rod, the top end of the valve rod is inserted into the inner side of the turbine box and is rotationally connected with the turbine box, and the bottom of the turbine box is locked on the top side of the valve body through a bolt.

Preferably, a pressure plate is arranged on the top side inside the valve body, and the middle part of the inner side of the pressure plate is rotatably connected with the valve rod.

Preferably, the bottom side of the pressure plate is provided with a filler, and the filler is wrapped on the outer surface of the valve rod.

Preferably, the O-shaped ring and the air bag valve seat are both made of fluororubber materials.

Preferably, the material used for the filler is polytetrafluoroethylene.

The utility model has the following advantages: the utility model provides a gas bag type ceramic hemisphere valve through improvement, compared with the same type of equipment, the gas bag type ceramic hemisphere valve has the following improvements:

according to the air bag type ceramic semi-ball valve, the valve seat sealing ring is made of spherical ceramic, so that the valve seat sealing ring is corrosion-resistant and wear-resistant, and tar and sundries cannot be adhered; the air bag valve seat adopts an air bag type structure, and by utilizing the principle of the air bag type structure, after the valve body is inflated to the air bag valve seat through the air inlet pipe after the valve core is closed, the spherical ceramic structure of the valve seat sealing ring is contacted with the air bag valve seat due to air pressure, and the interior of the valve body is sealed; when the valve is opened, the air pressure of the air bag valve seat is firstly released through the exhaust pipe, the air bag valve seat is separated from the spherical ceramic structure of the valve seat sealing ring, then the valve core is opened, the air bag valve seat does not generate friction with the valve seat sealing ring when the valve is opened, abrasion is prevented, friction sparks are eliminated, the valve is flexibly and smoothly opened, and the service life of the valve is prolonged.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the air bag valve seat and the valve seat sealing ring of the present invention;

fig. 3 is an enlarged view of a portion of the structure of fig. 2.

Wherein: the air-bag valve comprises a base-1, an O-shaped ring-2, a lower valve shaft-3, a valve body-4, a first screw-5, an air-bag valve seat-6, a first pressing ring-7, a valve core-8, a second screw-9, a second pressing ring-10, a valve seat sealing ring-11, a valve rod-12, a filler-13, a pressing plate-14, a turbine box-15, an exhaust pipe-16, a first ball valve-17, an air inlet pipe-18 and a second ball valve-19.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

The utility model relates to an air bag type ceramic half ball valve, which comprises a base 1, an O-shaped ring 2, a lower valve shaft 3, a valve body 4, a first screw 5, an air bag valve seat 6, a first pressing ring 7, a valve core 8, a second screw 9, a second pressing ring 10, a valve seat sealing ring 11, a valve rod 12, a filler 13, a pressing plate 14, a turbine box 15, an exhaust pipe 16, a first ball valve 17, an air inlet pipe 18 and a second ball valve 19, wherein the base 1 is fixedly connected to the bottom of the valve body 4, the O-shaped ring 2 is arranged on the inner side of the connection part of the bottom of the valve body 4 and the base 1, the inner side of the valve body 4 is rotatably connected with the lower valve shaft 3, an air bag valve seat 6 is arranged at one end of a valve passage of the valve body 4, a zigzag convex structure is arranged on the inner side of the air bag valve seat 6, the air bag valve seat 6 is embedded and connected to the inner side of the first pressing ring 7, the air inlet pipe 18 and the exhaust pipe 16 are respectively arranged on the upper side and the lower side of the air bag valve seat 6, the exhaust pipe 16 is provided with the first ball valve 17, the top side of the air inlet pipe 18 is provided with a second ball valve 19, a first pressing ring 7 is locked and fixed at one end of a valve body 4 through a first screw 5, the top side of a lower valve shaft 3 is inserted into the bottom of a valve core 8 and connected with the bottom of the valve core, one end of the valve core 8 is provided with a valve seat sealing ring 11 made of spherical structural ceramics, the valve seat sealing ring 11 is corrosion-resistant, wear-resistant and free of tar impurities, the valve seat sealing ring 11 is arranged at the inner side of an air bag valve seat 6, the sealing and opening of a channel are realized through the matching between the valve seat sealing ring 11 and the air bag valve seat 6, the outer side of the valve seat sealing ring 11 is tightly pressed with a second pressing ring 10, the second pressing ring 10 is locked and fixed with the valve core 8 through a second screw 9, when the valve core 8 is positioned at the leftmost side, the positions of the air bag valve seat 6 and the valve seat sealing ring 11 are corresponding, the top end part of the valve core 8 is connected with a valve rod 12, the top part of the valve rod 12 is inserted into the inner side of a turbine box 15 and is rotationally connected with the top side of the turbine box through a bolt, the top side in the valve body 4 is provided with a pressure plate 14, the middle part of the inner side of the pressure plate 14 is rotatably connected with the valve rod 12 to play a role in limiting rotation, the bottom side of the pressure plate 14 is provided with a filler 13, and the filler 13 is wrapped on the outer surface of the valve rod 12.

The utility model provides an air bag type ceramic hemispherical valve through improvement, and the working principle is as follows;

firstly, the design is installed in a coke oven gas pipeline through a valve body 4, and the design is used;

secondly, when an internal channel of the valve body 4 is opened, a user opens the first ball valve 17 to enable gas in the air bag valve seat 6 to be discharged through the exhaust pipe 16, after air pressure in the air bag valve seat 6 is discharged, the air bag valve seat 6 is separated from contact with the valve seat sealing ring 11, then the valve rod 12 drives the valve core 8 to rotate on the lower valve shaft 3 through the turbine box 15, so that the valve seat sealing ring 11 is far away from the air bag valve seat 6, and the internal channel of the valve body 4 is opened to ensure the circulation of coke oven gas;

thirdly, when the internal passage of the valve body 4 is closed again, the user rotates the turbine box 15 to enable the valve rod 12 to drive the valve seat sealing ring 11 to rotate to the position corresponding to the air bag valve seat 6 through the valve core 8, then the user opens the second ball valve 19 to inflate the inner side of the air bag valve seat 6 through the air inlet pipe 18, and the inner side of the air bag valve seat 6 is in contact with the valve seat sealing ring 11 due to air pressure after the air bag valve seat 6 is inflated, so that the internal passage of the valve body 4 is sealed.

The utility model provides the air bag type ceramic semi-spherical valve through improvement, the valve seat sealing ring 11 is made of spherical ceramic, and is corrosion-resistant, wear-resistant and free of tar and sundries; the air bag valve seat 6 adopts an air bag type structure, and by utilizing the principle of the air bag type structure, after the valve body 4 is inflated to the air bag valve seat 6 through the air inlet pipe 18 after the valve core 8 is closed, the spherical ceramic structure of the valve seat sealing ring 11 is contacted with the air bag valve seat 6 due to air pressure, and the interior of the valve body 4 is sealed; when the valve is opened, the air pressure of the air bag valve seat 6 is firstly released through the exhaust pipe 16, the air bag valve seat 6 is separated from the spherical ceramic structure of the valve seat sealing ring 11, then the valve core 8 is opened, the air bag valve seat 6 does not generate friction with the valve seat sealing ring 11 when the valve is opened, abrasion is prevented, friction sparks are eliminated, the valve is flexibly and smoothly opened and closed, and the service life of the valve is prolonged.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a gasbag formula pottery hemisphere valve which characterized in that: the structure of the valve comprises a valve body (4), a base (1) is fixedly connected to the inner side of the bottom of the valve body (4), the inner side of the valve body (4) is rotatably connected with a lower valve shaft (3), an air bag valve seat (6) is arranged at one end of a valve channel of the valve body (4), the air bag valve seat (6) is embedded and connected to the inner side of a first pressing ring (7), an air inlet pipe (18) and an air outlet pipe (16) are respectively arranged at the upper side and the lower side of the air bag valve seat (6), the first pressing ring (7) is locked and fixed at one end of the valve body (4) through a first screw (5), the top side of the lower valve shaft (3) is inserted into the bottom of a valve core (8) to be connected with the valve core, a valve seat sealing ring (11) made of spherical structure ceramics is arranged at one end of the valve core (8), the valve seat sealing ring (11) is arranged at the inner side of the air bag valve seat (6), a second pressing ring (10) is tightly pressed on the outer side of the valve seat sealing ring (11), the second pressing ring (10) is locked and fixed with the valve core (8) through a second screw (9).

2. The airbag type ceramic hemispherical valve as claimed in claim 1, wherein: when the valve core (8) is positioned at the leftmost side, the position of the air bag valve seat (6) corresponds to that of the valve seat sealing ring (11).

3. The airbag type ceramic hemispherical valve as claimed in claim 1, wherein: an O-shaped ring (2) is arranged on the inner side of the joint of the bottom of the valve body (4) and the base (1).

4. The airbag type ceramic hemispherical valve as claimed in claim 1, wherein: the bottom side of the exhaust pipe (16) is provided with a first ball valve (17), and the top side of the air inlet pipe (18) is provided with a second ball valve (19).

5. The air bag type ceramic hemispherical valve according to claim 1, wherein: the inner side surface of the air bag valve seat (6) is provided with a sawtooth-shaped protruding structure.

6. The airbag type ceramic hemispherical valve as claimed in claim 1, wherein: the top end of the valve core (8) is connected with a valve rod (12), the top end of the valve rod (12) is inserted into the inner side of the turbine box (15) to be connected with the turbine box in a rotating mode, and the bottom of the turbine box (15) is locked to the top side of the valve body (4) through a bolt.

7. The air bag type ceramic hemispherical valve according to claim 6, wherein: the top side of the interior of the valve body (4) is provided with a pressure plate (14), and the middle of the inner side of the pressure plate (14) is rotatably connected with the valve rod (12).

8. The airbag type ceramic hemispherical valve as claimed in claim 7, wherein: the bottom side of the pressure plate (14) is provided with a filler (13), and the filler (13) is wrapped on the outer surface of the valve rod (12).