CN219866434U - Take extraction check valve clack of water conservancy diversion structure - Google Patents
Take extraction check valve clack of water conservancy diversion structure Download PDFInfo
- Publication number
- CN219866434U CN219866434U CN202322502155.2U CN202322502155U CN219866434U CN 219866434 U CN219866434 U CN 219866434U CN 202322502155 U CN202322502155 U CN 202322502155U CN 219866434 U CN219866434 U CN 219866434U
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- China
- Prior art keywords
- valve clack
- valve
- check valve
- extraction check
- guide plate
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- 238000000605 extraction Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 4
- 238000007789 sealing Methods 0.000 claims description 20
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
A valve clack of a steam extraction check valve with a flow guiding structure belongs to the technical field of valve design. The utility model comprises a valve clack body, a rib plate and a guide plate, wherein the rib plate and the guide plate are arranged at the back of the valve clack body, the rib plates are arranged at the left side and the right side of the guide plate, the valve clack body is rotatably arranged in a steam extraction check valve through the rib plates, and an inclined angle alpha is formed between the top surface of the guide plate and the back surface of the valve clack body. The utility model aims to provide the valve clack of the steam extraction check valve with the flow guiding structure, so as to solve the problems of low opening height and large flow resistance of the valve clack of the existing steam extraction check valve.
Description
Technical Field
The utility model relates to a valve clack of a steam extraction check valve with a flow guiding structure, and belongs to the technical field of valve design.
Background
The check valve is a valve with a valve clack as an opening and closing part and can stop the medium from flowing backwards by the action of the self weight and the medium pressure. The valve clack of the steam extraction check valve is automatically opened under the pushing of a medium in the pipeline, and the opening moment of the medium to the valve clack is gradually reduced along with the opening of the valve clack, so that the valve clack of the steam extraction check valve can be opened to 45-55 degrees, the flow resistance of the valve is overlarge, the opening height of the valve clack of the steam extraction check valve is low, and the energy consumption loss is increased.
Therefore, a novel valve clack of an extraction check valve with a diversion structure is needed to solve the above technical problems.
Disclosure of Invention
The present utility model has been developed to provide a valve flap of a steam extraction check valve with a flow guiding structure to solve the problems of low opening height and large flow resistance of the valve flap of the existing steam extraction check valve, and a brief overview of the present utility model is given below to provide a basic understanding of some aspects of the present utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.
The technical scheme of the utility model is as follows:
the utility model provides a take steam extraction check valve clack of water conservancy diversion structure, includes valve clack body, gusset and guide plate are installed at valve clack body back, the gusset is arranged in the left and right sides of guide plate, and the valve clack body passes through the gusset and rotates to be installed in the steam extraction check valve, forms tilt angle alpha between guide plate top surface and the valve clack body back.
Preferably: the angle of the inclination angle alpha is 45 degrees to 65 degrees.
Preferably: the outer side wall of the valve clack body is provided with a circle of sealing bulges.
Preferably: the sealing bulge is connected with the inner wall of the steam extraction check valve through a sealing rubber ring.
Preferably: and a chamfer is processed at the edge of the front side of the valve clack body.
Preferably: the sealing bulge is arranged at the rear side of the chamfer, and the thickness of the sealing bulge is smaller than that of the valve clack body.
Preferably: the bottom surface of the guide plate is vertically arranged with the back surface of the valve clack body.
The utility model has the following beneficial effects:
1. the baffle can increase the opening moment of the valve clack by utilizing the weight of the baffle when the valve clack is opened;
2. the utility model uses the effect of the guide plate for changing the flow direction of the medium to increase the driving force of the medium to the opening of the valve clack, thereby enabling the valve clack to be opened at a larger angle and reducing the flow resistance of the steam extraction check valve;
3. the utility model can open the valve clack body to a larger height, and further reduce the flow resistance of the valve.
Drawings
FIG. 1 is a perspective view of a valve flap of an extraction check valve with a flow directing structure;
FIG. 2 is a mating installation view of a valve flap of an extraction check valve with a flow directing structure;
FIG. 3 is a view showing a state of use of a valve flap of the extraction check valve with a flow guiding structure;
in the figure: 1-valve clack body, 2-rib plate, 3-guide plate, 4-steam extraction check valve, 5-sealing bulge, 6-sealing rubber ring and 7-chamfer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
The connection mentioned in the utility model is divided into a fixed connection and a detachable connection, wherein the fixed connection is a conventional fixed connection mode such as a non-detachable connection including but not limited to a hemmed connection, a rivet connection, an adhesive connection, a welded connection and the like, the detachable connection is a conventional detachable mode such as a threaded connection, a snap connection, a pin connection, a hinge connection and the like, and when a specific connection mode is not limited explicitly, at least one connection mode can be found in the conventional connection mode by default, so that the function can be realized, and a person skilled in the art can select the device according to needs. For example: the fixed connection is welded connection, and the detachable connection is hinged connection.
Examples: the embodiment is described with reference to fig. 1-3, and the valve clack of the steam extraction check valve with the flow guiding structure of the embodiment comprises a valve clack body 1, rib plates 2 and a flow guiding plate 3, wherein the rib plates 2 and the flow guiding plate 3 are arranged at the back of the valve clack body 1, the flow guiding plate 3 is arranged at a position close to the top of the valve clack body 1, the rib plates 2 are arranged at the left side and the right side of the flow guiding plate 3, the valve clack body 1 is rotatably arranged in the steam extraction check valve 4 through the rib plates 2, a circle of sealing bulge 5 is processed on the outer side wall of the valve clack body 1, the sealing bulge 5 is connected with the inner wall of the steam extraction check valve 4 through a sealing rubber ring 6, an inclined angle alpha is formed between the top surface of the flow guiding plate 3 and the back of the valve clack body 1, the inclined angle alpha is 45-65 degrees, the inclined angle alpha well utilizes the characteristic of fluid, and when the valve clack is opened, the liquid has a trend of flowing upwards, the medium flow guiding plate 3 is utilized to change the medium flow direction of the valve clack body 1, so that the valve clack body 1 can be opened by a larger angle, the flow resistance is reduced, and the flow resistance of the flow guiding plate is changed.
When the valve clack body 1 is opened, the flow deflector 3 can increase the opening moment of the valve clack body 1 by using the weight of the flow deflector 3, and simultaneously, the flow direction of the medium is changed by using the flow deflector 3, so that the driving force of the medium to the opening of the valve clack body 1 is increased, the valve clack body 1 can be opened at a larger angle, the flow resistance of the steam extraction check valve is reduced, the opening angle of the valve clack of the steam extraction check valve can be increased to 75 degrees at maximum, the closing state of the valve clack body 1 is shown in fig. 2, and the opening state of the valve clack body 1 is shown in fig. 3.
The front edge of the valve clack body 1 is provided with a chamfer 7 to provide guiding function for flowing medium.
The sealing protrusion 5 is arranged at the rear side of the chamfer 7, and the thickness of the sealing protrusion 5 is smaller than that of the valve clack body 1, so as to reduce the resistance of the medium pushing the valve clack body 1.
The gusset 2 establishes the rotation through the inside wall of pivot and extraction check valve 4 and is connected, and the axis of rotation is located the top of valve clack body 1 all the time, and as shown in fig. 2, the pivot junction of gusset 2 is located the level of valve clack body 1 and is close to the top, and the purpose of so setting is to change the focus of rotational movement, makes the focus skew, better utilization valve clack's dead weight has also utilized the weight of guide plate 3 to increase the moment of opening of valve clack body 1.
The outer ring side wall of the sealing rubber ring 6 is fixedly connected with the inner wall of the steam extraction check valve 4, and the inner ring side wall of the sealing rubber ring 6 is tightly pressed and attached to the sealing bulge 5.
It should be noted that, in the above embodiments, as long as the technical solutions that are not contradictory can be arranged and combined, those skilled in the art can exhaust all the possibilities according to the mathematical knowledge of the arrangement and combination, so the present utility model does not describe the technical solutions after the arrangement and combination one by one, but should be understood that the technical solutions after the arrangement and combination have been disclosed by the present utility model.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a take steam extraction check valve clack of water conservancy diversion structure which characterized in that: including valve clack body (1), gusset (2) and guide plate (3) are installed at valve clack body (1) back, gusset (2) are arranged in the left and right sides of guide plate (3), and valve clack body (1) is installed in extraction check valve (4) through gusset (2) rotation, forms inclination angle alpha between guide plate (3) top surface and valve clack body (1) back.
2. The valve clack of an extraction check valve with a diversion structure as claimed in claim 1, wherein: the angle of the inclination angle alpha is 45 degrees to 65 degrees.
3. The valve clack of an extraction check valve with a diversion structure as claimed in claim 1, wherein: the outer side wall of the valve clack body (1) is provided with a circle of sealing bulges (5).
4. A valve flap of a steam extraction check valve with a flow guiding structure according to claim 3, wherein: the sealing bulge (5) is connected with the inner wall of the steam extraction check valve (4) through the sealing rubber ring (6).
5. The valve clack of the extraction check valve with the flow guiding structure as claimed in claim 4, wherein: a chamfer (7) is processed at the edge of the front side of the valve clack body (1).
6. The valve clack of the extraction check valve with the flow guiding structure as claimed in claim 5, wherein: the sealing bulge (5) is arranged at the rear side of the chamfer (7), and the thickness of the sealing bulge (5) is smaller than that of the valve clack body (1).
7. The valve clack of an extraction check valve with a diversion structure as claimed in claim 1, wherein: the bottom surface of the guide plate (3) is vertically arranged with the back surface of the valve clack body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322502155.2U CN219866434U (en) | 2023-09-15 | 2023-09-15 | Take extraction check valve clack of water conservancy diversion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322502155.2U CN219866434U (en) | 2023-09-15 | 2023-09-15 | Take extraction check valve clack of water conservancy diversion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866434U true CN219866434U (en) | 2023-10-20 |
Family
ID=88341548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322502155.2U Active CN219866434U (en) | 2023-09-15 | 2023-09-15 | Take extraction check valve clack of water conservancy diversion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866434U (en) |
-
2023
- 2023-09-15 CN CN202322502155.2U patent/CN219866434U/en active Active
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