CN215763798U - Sleeve structure for connecting butterfly valve - Google Patents
Sleeve structure for connecting butterfly valve Download PDFInfo
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- CN215763798U CN215763798U CN202121233325.6U CN202121233325U CN215763798U CN 215763798 U CN215763798 U CN 215763798U CN 202121233325 U CN202121233325 U CN 202121233325U CN 215763798 U CN215763798 U CN 215763798U
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Abstract
The utility model discloses a sleeve structure for connecting a butterfly valve, which comprises a valve body, an inlet sleeve and an outlet sleeve, wherein the valve body is provided with a valve body opening and a valve body opening; the inlet end of the inlet sleeve is connected to a water inlet pipeline, and the outlet end of the inlet sleeve is hermetically connected to the inlet end of the valve body through a flange structure; the outlet end of the valve body is hermetically connected with the inlet end of the outlet sleeve through a flange structure, and the outlet end of the outlet sleeve is connected with a water outlet pipeline; the flange structure comprises a valve body flange and a sleeve flange, the valve body flange is connected to the two ends of the inlet and the outlet of the valve body, and the sleeve flange is connected to the outlet end of the inlet sleeve and the inlet end of the outlet sleeve; the sealing surfaces of the valve body flange plate and the sleeve flange plate are correspondingly attached to each other, and the valve body flange plate and the sleeve flange plate are fixedly connected through bolts; the outer edge of one side, facing the sleeve flange, of the valve body flange is provided with a first concave station, and the outer edge of one side, facing the valve body flange, of the sleeve flange is provided with a second concave station.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a sleeve structure for connecting a butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. 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 pipeline needs to be connected in the installation process of the butterfly valve, however, the pipeline needs to be installed by welding sometimes due to more types of sizes of the pipeline, so that the butterfly valve needs to be replaced or maintained in the later period, and the butterfly valve is complex; and can result in reduced sealing when the tubing cannot be properly mated.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects in the prior art, the utility model provides a sleeve structure for connecting a butterfly valve, which can effectively improve the overall sealing property by connecting a pipeline and the butterfly valve through a sleeve.
The technical scheme is as follows: in order to achieve the purpose, the sleeve structure for connecting the butterfly valve comprises a valve body, an inlet sleeve and an outlet sleeve; the inlet end of the inlet sleeve is connected to a water inlet pipeline, and the outlet end of the inlet sleeve is hermetically connected to the inlet end of the valve body through a flange structure; the outlet end of the valve body is hermetically connected with the inlet end of the outlet sleeve through a flange structure, and the outlet end of the outlet sleeve is connected with a water outlet pipeline; the flange structure comprises a valve body flange and a sleeve flange, the valve body flange is connected to the two ends of the inlet and the outlet of the valve body, and the sleeve flange is connected to the outlet end of the inlet sleeve and the inlet end of the outlet sleeve; the sealing surfaces of the valve body flange plate and the sleeve flange plate are correspondingly attached to each other, and the valve body flange plate and the sleeve flange plate are fixedly connected through bolts; the outer edge of valve body ring flange towards sleeve ring flange one side is equipped with first concave station, the outer edge of sleeve ring flange towards valve body ring flange one side is equipped with the second concave station, first concave station forms the seal groove with the combination of second concave station.
Furthermore, a sleeve sealing ring is arranged on the inner ring of the sleeve flange, an embedding groove is annularly formed in one surface, facing the valve body flange, of the sleeve sealing ring, an outer sealing table is arranged on the outer ring of the embedding groove, and an inner sealing table is arranged on the inner ring of the embedding groove; the inner ring of the valve body flange plate is provided with a valve body sealing ring, one surface of the valve body sealing ring, facing the sleeve sealing ring, is annularly provided with an embedded ring, the embedded ring is embedded in the embedded groove correspondingly, an outer clamping ring is arranged on the outer ring of the embedded ring, an inner clamping ring is arranged on the inner ring of the embedded ring, the outer clamping ring corresponds to the outer sealing table, and the inner clamping ring corresponds to the inner sealing table.
Furthermore, the sleeve flange plate arranged on one side of the inlet sleeve also comprises a turbulent flow guide ring; the outer ring of the turbulence guide ring is attached to the inner wall of the inlet sleeve, a turbulence plate of the turbulence guide ring is arranged at an acute angle with the fluid flowing direction, a plurality of turbulence grooves are annularly arranged on the turbulence plate, the length direction of each turbulence groove is inclined to the fluid flowing direction, and inclined plates are arranged inside the turbulence grooves.
Has the advantages that: the sleeve structure for connecting the butterfly valve can effectively improve the whole sealing performance by connecting the pipeline with the butterfly valve through the sleeve, and comprises the following technical effects:
1) the sealing tape wound for multiple circles can be more compact through the first concave station and the second concave station on the two sides, and the sealing performance is improved;
2) the cross section of the embedding ring is semi-elliptical, so that the embedding ring can play a role in positioning in the process of being inserted into the embedding groove, and the sealing platform can be accurately and correspondingly attached to the clamping ring.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic view of a valve body flange and a sleeve flange according to the present invention;
FIG. 3 is a diagram of the construction of the sleeve seal ring and the valve body seal ring of the present invention;
FIG. 4 is a view showing the structure of the turbulent flow groove of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1-4: a sleeve structure for connecting a butterfly valve comprises a valve body 1, an inlet sleeve 2 and an outlet sleeve 3; the inlet end of the inlet sleeve 2 is connected to a water inlet pipeline, and the outlet end of the inlet sleeve 2 is hermetically connected to the inlet end of the valve body 1 through a flange structure; the outlet end of the valve body 1 is hermetically connected with the inlet end of the outlet sleeve 3 through a flange structure, and the outlet end of the outlet sleeve 3 is connected with a water outlet pipeline; the flange structure comprises a valve body flange 41 and a sleeve flange 42, the valve body flange 41 is connected to the two ends of the inlet and the outlet of the valve body 1, and the sleeve flange 42 is connected to the outlet end of the inlet sleeve 2 and the inlet end of the outlet sleeve 3; the sealing surfaces of the valve body flange 41 and the sleeve flange 42 are correspondingly attached, and the valve body flange 41 and the sleeve flange 42 are fixedly connected through bolts; the outer edge of one side, facing the sleeve flange 42, of the valve body flange 41 is provided with a first concave table 411, the outer edge of one side, facing the valve body flange 41, of the sleeve flange 42 is provided with a second concave table 421, and the first concave table 411 and the second concave table 421 are combined to form a sealing groove; after the valve body 1, the inlet sleeve 2 and the outlet sleeve 3 are installed, the valve body flange 41 and the sleeve flange 42 are mutually attached to achieve sealing; sealing tape can be wound around the sealing groove between the first concave station 411 and the second concave station 421, and the winding thickness can be raised through the first concave station 411 and the second concave station 421 on two sides, so that the sealing tape wound for multiple circles is more compact, and the sealing performance is improved.
A sleeve sealing ring 43 is arranged on the inner ring of the sleeve flange 42, an embedding groove 431 is annularly arranged on one surface, facing the valve body flange 41, of the sleeve sealing ring 43, an outer sealing table 432 is arranged on the outer ring of the embedding groove 431, and an inner sealing table 433 is arranged on the inner ring of the embedding groove 431; a valve body sealing ring 44 is arranged on the inner ring of the valve body flange 41, an embedding ring 441 is annularly arranged on one surface, facing the sleeve sealing ring 43, of the valve body sealing ring 44, the embedding ring 441 is correspondingly embedded in the embedding groove 431, an outer clamping ring 442 is arranged on the outer ring of the embedding ring 441, an inner clamping ring 443 is arranged on the inner ring of the embedding ring 441, the outer clamping ring 442 corresponds to the outer sealing table 432, and the inner clamping ring 443 corresponds to the inner sealing table 433; the inner and outer sealing tables correspond to the inner and outer clamping rings to perform multi-channel sealing, and meanwhile, the sealing area can be increased, so that the internal fluid is more difficult to leak; the cross section of the embedded ring 441 is semi-elliptical, and the embedded ring 441 can play a role in positioning in the process of being inserted into the embedded groove 431, so that the sealing table is accurately and correspondingly attached to the clamping ring.
The sleeve flange 42 arranged on one side of the inlet sleeve 2 also comprises a turbulent flow guide ring 21; the outer ring of the turbulence guide ring 21 is attached to the inner wall of the inlet sleeve 2, a turbulence plate 211 of the turbulence guide ring 21 is arranged at an acute angle with the fluid flowing direction, a plurality of turbulence grooves 212 are annularly arranged on the turbulence plate 211, the length direction of the turbulence grooves 212 is inclined to the fluid flowing direction, and inclined plates 213 are arranged in the turbulence grooves 212; before the fluid enters the valve body 1, the fluid is subjected to the resistance action of the turbulent plate 211, so that the pressure of the fluid is reduced, the pressure of the fluid at the joint of the inlet sleeve 2 and the valve body 1 is weakened, and the leakage risk can be reduced; the turbulence grooves 212 can guide the fluid obliquely, so that the flow velocity of the fluid is further reduced, and the sealing performance of the structure is effectively improved.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (3)
1. The utility model provides a sleeve structure for connecting butterfly valve which characterized in that: comprises a valve body (1), an inlet sleeve (2) and an outlet sleeve (3); the inlet end of the inlet sleeve (2) is connected to a water inlet pipeline, and the outlet end of the inlet sleeve (2) is hermetically connected to the inlet end of the valve body (1) through a flange structure; the outlet end of the valve body (1) is hermetically connected with the inlet end of the outlet sleeve (3) through a flange structure, and the outlet end of the outlet sleeve (3) is connected with a water outlet pipeline; the flange structure comprises a valve body flange plate (41) and a sleeve flange plate (42), the valve body flange plate (41) is connected to the inlet end and the outlet end of the valve body (1), and the sleeve flange plate (42) is connected to the outlet end of the inlet sleeve (2) and the inlet end of the outlet sleeve (3); the sealing surfaces of the valve body flange plate (41) and the sleeve flange plate (42) are correspondingly attached to each other, and the valve body flange plate (41) and the sleeve flange plate (42) are fixedly connected through bolts; the outer edge of valve body ring flange (41) one side towards sleeve ring flange (42) is equipped with first concave station (411), sleeve ring flange (42) are equipped with second concave station (421) towards the outer edge of valve body ring flange (41) one side, first concave station (411) and second concave station (421) combination form the seal groove.
2. A sleeve structure for connecting a butterfly valve according to claim 1, wherein: a sleeve sealing ring (43) is arranged on the inner ring of the sleeve flange (42), an embedding groove (431) is annularly arranged on one surface, facing the valve body flange (41), of the sleeve sealing ring (43), an outer sealing table (432) is arranged on the outer ring of the embedding groove (431), and an inner sealing table (433) is arranged on the inner ring of the embedding groove (431); the inner ring of the valve body flange plate (41) is provided with a valve body sealing ring (44), one face, facing the sleeve sealing ring (43), of the valve body sealing ring (44) is provided with an embedded ring (441) in the circumferential direction, the embedded ring (441) is correspondingly embedded into the embedded groove (431), an outer clamping ring (442) is arranged on the outer ring of the embedded ring (441), an inner clamping ring (443) is arranged on the inner ring of the embedded ring (441), the outer clamping ring (442) is corresponding to the outer sealing table (432), and the inner clamping ring (443) is corresponding to the inner sealing table (433).
3. A sleeve structure for connecting a butterfly valve according to claim 2, wherein: the sleeve flange (42) arranged on one side of the inlet sleeve (2) also comprises a turbulent flow guide ring (21); the outer ring of the turbulence guide ring (21) is attached to the inner wall of the inlet sleeve (2), a turbulence plate (211) of the turbulence guide ring (21) is arranged at an acute angle with the fluid flowing direction, a plurality of turbulence grooves (212) are annularly arranged on the turbulence plate (211), the length direction of each turbulence groove (212) is inclined to the fluid flowing direction, and inclined plates (213) are arranged inside each turbulence groove (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121233325.6U CN215763798U (en) | 2021-06-03 | 2021-06-03 | Sleeve structure for connecting butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121233325.6U CN215763798U (en) | 2021-06-03 | 2021-06-03 | Sleeve structure for connecting butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763798U true CN215763798U (en) | 2022-02-08 |
Family
ID=80099190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121233325.6U Active CN215763798U (en) | 2021-06-03 | 2021-06-03 | Sleeve structure for connecting butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763798U (en) |
-
2021
- 2021-06-03 CN CN202121233325.6U patent/CN215763798U/en active Active
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