CN216715256U - Air bag type ceramic butterfly valve - Google Patents
Air bag type ceramic butterfly valve Download PDFInfo
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- CN216715256U CN216715256U CN202123148909.6U CN202123148909U CN216715256U CN 216715256 U CN216715256 U CN 216715256U CN 202123148909 U CN202123148909 U CN 202123148909U CN 216715256 U CN216715256 U CN 216715256U
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- air bag
- sealing ring
- valve seat
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Abstract
The utility model discloses an air bag type ceramic butterfly valve which comprises a base, an O-shaped ring, a lower valve shaft, a valve body, a ball, an air bag valve seat, a first pressing ring, a valve core, a pin, a second pressing ring, a valve seat sealing ring, a screw, a valve rod, a filler, a pressing plate, a worm gear box, an air bag sealing ring and an inflation hole, wherein the joint of the valve seat sealing ring adopts an air bag type structure; when the valve is opened, the air pressure of the air bag valve seat is firstly released, the air bag sealing ring is separated from the ceramic sealing surface of the valve seat sealing ring, and then the valve plate is opened, and the valve plate does not generate friction with the sealing ring when being opened, so that the abrasion is prevented, and the friction spark is eliminated; because the valve seat sealing ring is made of structural ceramics, the valve seat sealing ring is corrosion-resistant and wear-resistant, tar and sundries cannot be adhered, the valve is flexibly and smoothly opened and closed, and the service life of the valve is prolonged.
Description
Technical Field
The utility model relates to the field related to valves, in particular to an air bag type ceramic butterfly valve.
Background
Coke oven gas is a byproduct of the coking industry, and refers to a combustible gas produced when coke and tar products are produced after several kinds of bituminous coal are prepared into coal for coking and high-temperature dry distillation is carried out in a coke oven; the valve is generally used for controlling the transportation process of the coke oven gas; however, in the use process of the valve in the prior art, the valve plate can be stuck due to too large tar viscosity of the system, so that the valve switch is blocked and cannot be normally used; the sealing surface of the valve is made of metal, is easy to adhere tar and scale, and is leaked due to untight sealing of the valve; because metal friction easily produces sparks, gas explosion can be caused, and potential safety hazards exist.
Disclosure of Invention
Accordingly, in order to solve the above-mentioned disadvantages, the present invention provides an air bag type ceramic butterfly valve.
The utility model is realized by constructing an air bag type ceramic butterfly valve, and the device is used for conveying waste gas, coal tar and blast furnace gas under the conditions that PN is less than or equal to 10MPa and the temperature is 120 ℃; the butterfly valve includes:
the top side of the base is connected to the outer side of the bottom of the lower valve shaft through an O-shaped ring;
the bottom side in the valve body is connected with a lower valve shaft in a penetrating manner, and one side of the top of the valve body is provided with an air bag valve seat;
the bottom end part of the valve rod is connected with the lower valve shaft, the top side of the valve rod is connected with the valve core through a pin, a second pressing ring is fixedly locked on the top side of the outer part of the valve core through a bolt, and a valve seat sealing ring is clamped between the top side of the second pressing ring and the valve core;
the packing is filled on the top side of the interior between the valve rod and the valve body, the top side of the valve body is pressed with the packing through the pressing plate, and the top end of the valve rod is inserted into the inner side of the worm gear case to be connected with the worm gear case.
Preferably, the valve body is provided with balls on the upper and lower sides in the inner side, and the balls on the bottom side are in contact with the joint of the lower valve shaft and the valve rod.
Preferably, said valve body on the top side is in contact with the outer top side of the valve stem.
Preferably, the outer side of the air bag valve seat is wrapped with a first pressing ring, and the first pressing ring is locked and fixed with the valve body through a bolt.
Preferably, the top side of the air bag valve seat is connected with an air bag sealing ring, and the air bag sealing ring is arranged on the top side inside the valve body.
Preferably, the top side of the air bag sealing ring is provided with an inflation hole, and the inner side of the inflation hole is transversely provided with a screw in a penetrating mode.
Preferably, after the air bag valve seat is inflated, the air bag sealing ring is contacted with the valve seat sealing ring.
Preferably, the valve seat sealing ring is made of spherical structural ceramic.
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 an air bag type ceramic butterfly valve through improvement, which has the following improvement compared with the same type of equipment:
according to the air bag type ceramic butterfly valve, the joint of the valve seat sealing ring adopts an air bag type structure, after the valve plate is closed and the air bag valve seat is inflated, the air bag sealing ring is in contact with the valve seat sealing ring due to air pressure, and the valve is sealed; when the valve is opened, the air pressure of the air bag valve seat is firstly released, the air bag sealing ring is separated from the ceramic sealing surface of the valve seat sealing ring, and then the valve plate is opened, and the valve plate does not generate friction with the sealing ring when being opened, so that the abrasion is prevented, and the friction spark is eliminated; because the valve seat sealing ring is made of structural ceramics, the valve seat sealing ring is corrosion-resistant and wear-resistant, tar and sundries cannot be adhered, the valve is flexibly and smoothly opened and closed, 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 structure of the valve seat seal ring of the present invention;
FIG. 3 is a schematic view of the construction of the bladder valve seat of the present invention;
fig. 4 is an enlarged view of a portion of the structure of fig. 2.
Wherein: the valve comprises a base-1, an O-shaped ring-2, a lower valve shaft-3, a valve body-4, a ball-5, an air bag valve seat-6, a first pressing ring-7, a valve core-8, a pin-9, a second pressing ring-10, a valve seat sealing ring-11, a screw-12, a valve rod-13, a filler-14, a pressing plate-15, a worm gear case-16, an air bag sealing ring-17 and an inflation hole-18.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, 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 air bag type ceramic butterfly valve is used for conveying waste gas, coal tar and blast furnace gas under the conditions that PN is less than or equal to 10MPa and the temperature is 120 ℃; the butterfly valve includes: the top side of the base 1 is connected to the outer side of the bottom of the lower valve shaft 3 through an O-shaped ring 2; the lower valve shaft 3 is connected to the bottom side inside the valve body 4 in a penetrating manner, and an air bag valve seat 6 is arranged on one side of the top of the valve body 4; the bottom end part of the valve rod 13 is connected with the lower valve shaft 3, the top side of the valve rod 13 is connected with the valve core 8 through a pin 9, the top side of the outer part of the valve core 8 is fixedly locked with a second pressing ring 10 through a bolt, and a valve seat sealing ring 11 is clamped between the top side of the second pressing ring 10 and the valve core 8; the packing 14 is filled on the inner top side between the valve rod 13 and the valve body 4, the inner side of the top of the valve body 4 is pressed with the packing 14 through a pressing plate 15, the top end part of the valve rod 13 is inserted into the inner side of a worm gear case 16 to be connected with the inner side, the upper side and the lower side of the inner side of the valve body 4 are both provided with balls 5, the balls 5 on the bottom side are contacted with the joint of the lower valve shaft 3 and the valve rod 13, the valve body 4 on the top side is contacted with the outer top side of the valve rod 13, the outer side of the air bag valve seat 6 is wrapped with a first pressing ring 7, the first pressing ring 7 is locked and fixed with the valve body 4 through a bolt, the top side of the air bag valve seat 6 is connected with an air bag sealing ring 17, the air bag sealing ring 17 is arranged on the inner top side of the valve body 4, the top side of the air bag sealing ring 17 is provided with an inflation hole 18, the inner side of the inflation hole 18 is transversely penetrated with a screw 12, and after the air bag valve seat 6 is inflated, the air bag sealing ring 17 is contacted with the valve seat 11, when the valve seat sealing ring is opened, no friction is generated between the valve seat sealing ring and the sealing ring, so that abrasion is prevented, friction sparks are eliminated, the valve seat sealing ring 11 is made of spherical structural ceramics, corrosion resistance and abrasion resistance are achieved, tar and sundries cannot be adhered, the O-shaped ring 2 and the air bag valve seat 6 are made of fluororubber materials, and the filler 14 is made of polytetrafluoroethylene.
The utility model provides an air bag type ceramic butterfly valve through improvement, and the working principle is as follows;
firstly, the design is installed and fixed on a coke oven gas pipeline through a valve body 4, and a handle on a worm gear box 16 is rotated to rotate a valve core 8 so as to open a valve;
secondly, when the valve is opened, a user firstly releases the air pressure of the air bag valve seat 6 to enable the air bag sealing ring 17 to be separated from the ceramic sealing surface of the valve seat sealing ring 11 and then rotates the valve core 8 to open the valve plate, and the valve plate does not generate friction with the sealing ring when being opened, so that abrasion is prevented, and friction sparks are eliminated;
thirdly, after the valve plate is closed, a user inflates air to the air bag valve seat 6 through the air inflation hole 18, after the air inflation, the air bag sealing ring 17 is in contact with the valve seat sealing ring 11 due to air pressure, the valve is sealed, the opening and closing are flexible and smooth, 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 (8)
1. The utility model provides an gasbag formula ceramic butterfly valve which characterized in that: used for conveying waste gas, coal tar and blast furnace gas under the conditions that PN is less than or equal to 10MPa and the temperature is 120 ℃; the butterfly valve includes:
the top side of the base (1) is connected to the outer side of the bottom of the lower valve shaft (3) through an O-shaped ring (2);
the bottom side of the interior of the valve body (4) is connected with a lower valve shaft (3) in a penetrating manner, and one side of the top of the valve body (4) is provided with an air bag valve seat (6);
the bottom end of the valve rod (13) is connected with the lower valve shaft (3), the top side of the valve rod (13) is connected with the valve core (8) through a pin (9), the top side of the outer part of the valve core (8) is fixedly locked with a second pressing ring (10) through a bolt, and a valve seat sealing ring (11) is clamped between the top side of the second pressing ring (10) and the valve core (8);
the packing (14) is filled on the top side of the interior between the valve rod (13) and the valve body (4), the top side of the valve body (4) is pressed with the packing (14) through a pressing plate (15), and the top end of the valve rod (13) is inserted into the inner side of the worm gear box (16) to be connected with the packing.
2. The airbag type ceramic butterfly valve according to claim 1, characterized in that: the valve is characterized in that balls (5) are arranged on the upper side and the lower side of the inner side of the valve body (4), and the balls (5) on the bottom side are in contact with the joint of the lower valve shaft (3) and the valve rod (13).
3. The airbag type ceramic butterfly valve according to claim 2, characterized in that: the valve body (4) on the top side is in contact with the outer top side of the valve rod (13).
4. The airbag type ceramic butterfly valve according to claim 1, characterized in that: the outer side of the air bag valve seat (6) is wrapped with a first pressing ring (7), and the first pressing ring (7) is locked and fixed with the valve body (4) through a bolt.
5. The airbag type ceramic butterfly valve according to claim 1, characterized in that: gasbag disk seat (6) top side is connected with gasbag sealing washer (17) to gasbag sealing washer (17) set up in valve body (4) inside top side.
6. The airbag type ceramic butterfly valve according to claim 5, wherein: an inflation hole (18) is formed in the top side of the air bag sealing ring (17), and a screw (12) transversely penetrates through the inner side of the inflation hole (18).
7. The airbag type ceramic butterfly valve according to claim 5, wherein: after the air bag valve seat (6) is inflated, the air bag sealing ring (17) is contacted with the valve seat sealing ring (11).
8. The airbag type ceramic butterfly valve according to claim 1, characterized in that: the valve seat sealing ring (11) is made of spherical structural ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123148909.6U CN216715256U (en) | 2021-12-15 | 2021-12-15 | Air bag type ceramic butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123148909.6U CN216715256U (en) | 2021-12-15 | 2021-12-15 | Air bag type ceramic butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715256U true CN216715256U (en) | 2022-06-10 |
Family
ID=81884038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123148909.6U Active CN216715256U (en) | 2021-12-15 | 2021-12-15 | Air bag type ceramic butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715256U (en) |
-
2021
- 2021-12-15 CN CN202123148909.6U patent/CN216715256U/en active Active
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