CN215521986U - Intelligent stepless air regulating valve - Google Patents
Intelligent stepless air regulating valve Download PDFInfo
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- CN215521986U CN215521986U CN202121346688.0U CN202121346688U CN215521986U CN 215521986 U CN215521986 U CN 215521986U CN 202121346688 U CN202121346688 U CN 202121346688U CN 215521986 U CN215521986 U CN 215521986U
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Abstract
The utility model discloses an intelligent stepless air regulating valve, which comprises a valve body and a valve core; the inner cavity of the valve body is in a step tubular shape and comprises two sections of circular straight pipe structures with different inner diameters; the two sections of circular straight pipe structures are communicated through a streamline inner cavity with a bus as an arc line; at the connecting position of the streamline inner cavity and the circular straight pipe structure with smaller inner diameter, an included angle A between the tangent of the generatrix of the streamline inner cavity and the radius direction of the circular straight pipe structure with smaller inner diameter is 0-30 degrees; the valve core is a rotating body in shape; the valve core and the circular straight pipe structure with smaller inner diameter are sealed by a sealing ring. The utility model realizes that the fluid, including air, can pass through in a friction-free and low-separation state, and can realize accurate distribution and control of an aeration system in a sewage plant.
Description
Technical Field
The utility model relates to the technical field of adjusting valve manufacturing, in particular to an intelligent stepless air adjusting valve.
Background
In the prior art, the common fluid regulating valves are mainly butterfly valves, piston/needle valves and knife gate valves.
The flow cross section of the butterfly valve is a double-flow-port structure, and the flow port is irregularly changed when the valve is opened and closed, so that the regulation characteristic and the stepping precision are poor, linear regulation cannot be realized, and the butterfly valve is not suitable for precise control of fluid.
The structure form of the valve can be seen that the valve is adjusted by utilizing the rotation of the valve clack, and huge air turbulence is generated after the valve in the valve adjusting process (especially when the opening degree is low), so that unnecessary pressure loss is large.
The piston valve/needle valve can be seen from the structural form, the piston valve has a pressure relief function, unnecessary pressure loss is large for overflowing air, the valve is usually designed to be a piston crank adjusting mechanism, the valve adjusting stroke is small, the stroke from full opening to full closing is only about 45 degrees, and the valve adjusting precision is limited.
The outlet flow state of the air regulating valve is opposite to impact, and larger turbulent flow is generated.
The knife gate valve is similar to a 'Y' shape or a crescent shape in the structure form of the overflowing section, the flow passage port is irregularly and unequally retracted when the valve is opened and closed, the adjusting characteristic and the stepping precision are poor, linear adjustment cannot be realized, and the knife gate valve is not suitable for precise control of fluid.
It can be seen from the structural form that the valve clacks with 2 fixed bottom ends can generate certain blocking effect on overflowing gas in any state, and unnecessary pressure loss is large. The knife gate valve is mainly used for switching adjustment of liquid and gaseous media, and is poor in linearity and adjustment accuracy.
Therefore, how to realize a linear regulating valve of the regulating valve, which can be applied to such occasions as precise distribution and control of aeration, is a technical problem which needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention provides an intelligent stepless air regulating valve, which can realize linear regulation of fluid or gas by the regulating valve, so that the valve can be applied to such occasions as precise distribution and control of aeration, and the fluid or gas can pass through a valve body or a pipeline in a friction-free state with low separation degree, so that precise distribution and control of an aeration system in a sewage plant can be realized.
In order to achieve the purpose, the utility model discloses an intelligent stepless air regulating valve which comprises a valve body and a valve core arranged in the valve body.
The inner cavity of the valve body is in a stepped tubular shape and comprises two coaxial circular straight pipe structures with different inner diameters;
the two sections of circular straight pipe structures are communicated through a streamline inner cavity with a bus as an arc line;
the axis of the streamline inner cavity is coaxial with the axes of the two sections of circular straight pipe structures;
at the connecting position of the streamline inner cavity and the circular straight pipe structure with smaller inner diameter, an included angle A between a tangent line of a bus of the streamline inner cavity and the radius direction of the circular straight pipe structure with smaller inner diameter is 0-30 degrees;
at the connecting position of the streamline inner cavity and the circular straight pipe structure with larger inner diameter, an included angle B between a tangent of a bus of the streamline inner cavity and the radius direction of the circular straight pipe structure with larger inner diameter is 90 degrees;
the valve core is a rotating body in shape, and the axis of the valve core is coaxial with the axis of the inner cavity of the valve body;
the part of the valve core, corresponding to the connecting position of the streamline inner cavity and the circular straight pipe structure with smaller inner diameter, is of a stepped shaft structure and comprises a small end and a large end; the annular stepped shaft structure formed by the small end and the large end is provided with a sealing ring;
the outer diameter of the small end is smaller than the inner diameter of the circular straight pipe structure with smaller inner diameter;
the outer diameter of the large end is larger than the inner diameter of the circular straight pipe structure with smaller inner diameter;
and a driving part is arranged between the valve core and the valve body, is driven by the driving part and reciprocates along the axis of the inner cavity of the valve body.
Preferably, the driving part comprises two sleeves capable of relatively moving along the axis, and a driving screw rod and a driven screw rod sleeve which are arranged in the sleeves and matched with each other;
one end of one sleeve is connected with the valve core, and the driven screw rod sleeve is fixed inside the sleeve;
one end of the other sleeve is fixed relative to the valve body, and the driving screw rod is arranged in the other sleeve.
More preferably, the driving screw rod is connected with a gearbox and is driven to rotate by the gearbox.
More preferably, the gearbox is a gear gearbox and is connected with an external driving device through a transmission shaft.
More preferably, each of the sleeve, the driving screw rod and the driven screw rod sleeve is arranged in the circular straight pipe structure with a smaller inner diameter.
Preferably, the generatrix of the streamline inner cavity is an elliptic curve.
Preferably, a spherical detachable end cover is arranged on the large end of the valve core.
The utility model has the beneficial effects that:
the application of the utility model can more accurately realize the distribution and control of the aeration system in the sewage plant.
The utility model has more regularity, better regulation linearity and smaller pressure loss.
The utility model has the advantages of simple structure, convenient installation and use, good structural performance, high control precision, good sealing effect and long service life.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a schematic structural diagram of an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a valve element according to an embodiment of the present invention.
Fig. 3 shows a schematic structural diagram of a streamlined inner cavity in an embodiment of the present invention.
Fig. 4 is a schematic structural diagram illustrating a closed state of the valve element and the valve body according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1 to 4, the intelligent stepless air regulating valve comprises a valve body 1 and a valve core 2 installed in the valve body 1; the valve is characterized in that the inner cavity of the valve body 1 is in a stepped tubular shape and comprises two coaxial circular straight pipe structures 3 with different inner diameters;
the two sections of circular straight tube structures 3 are communicated through a streamline inner cavity 4 with a generatrix as an arc line;
the axis of the streamline inner cavity 4 is coaxial with the axes of the two sections of circular straight pipe structures 3;
at the connecting position of the streamline inner cavity 4 and the circular straight pipe structure 3 with smaller inner diameter, an included angle A between the tangent of the generatrix of the streamline inner cavity 4 and the radius direction of the circular straight pipe structure 3 with smaller inner diameter is 0-30 degrees;
at the connecting position of the streamline inner cavity 4 and the circular straight pipe structure 3 with larger inner diameter, an included angle B between the tangent of the generatrix of the streamline inner cavity 4 and the radius direction of the circular straight pipe structure 3 with larger inner diameter is 90 degrees;
the valve core 2 is a rotating body in shape, and the axis of the rotating body is coaxial with the axis of the inner cavity of the valve body 1;
the part of the valve core 2 corresponding to the connecting position of the streamline inner cavity 4 and the circular straight pipe structure 3 with smaller inner diameter is of a stepped shaft structure and comprises a small end 21 and a large end 22; a sealing ring 5 is arranged on an annular stepped shaft structure formed by the small end 21 and the large end 22;
the outer diameter of the small end 21 is smaller than the inner diameter of the circular straight pipe structure 3 with smaller inner diameter;
the outer diameter of the large end 22 is larger than the inner diameter of the circular straight pipe structure 3 with smaller inner diameter;
a driving part is arranged between the valve core 2 and the valve body 1, is driven by the driving part and reciprocates along the axis of the inner cavity of the valve body 1.
The principle of the utility model is as follows:
in practical application, the valve element 2 is driven by an electric actuator to move back and forth in the valve body 1; in the moving process, the size of the annular gap between the valve core 2 and the streamline inner cavity 4 is changed, so that the fluid (air) passes through the streamline inner cavity in a friction-free state with low separation degree, and the maximum 80% pressure drop at the narrowest section can be recovered in the area at the outlet.
The utility model not only can completely close, open and adjust the aeration flow in the pipeline or the pipe network, is suitable for the precise distribution and control system of the aeration system in the sewage plant, but also has the advantages of simple structure, convenient installation and use, good structural performance, high control precision, good sealing effect, long service life and the like.
In some embodiments, the driving part comprises two sleeves 6 capable of moving relatively along the axis, and a driving screw rod lead screw 7 and a driven screw rod sleeve 8 which are arranged in the sleeves 6 and matched with each other;
one end of one sleeve 6 is connected with the valve core 2, and a driven screw rod sleeve 8 is fixed inside the sleeve;
one end of the other sleeve 6 is fixed relative to the valve body 1, and a driving screw rod 7 is arranged in the other sleeve.
In some embodiments, the drive screw spindle 7 is connected to the gearbox 9 and is driven in rotation by the gearbox 9.
In some embodiments, the gearbox 9 is a gear gearbox, connected to an external drive via a drive shaft 11.
In certain embodiments, each of the sleeve 6, drive screw lead screw 7 and driven screw sleeve 8 is disposed within a circular straight tubular structure 3 having a smaller inner diameter.
In some embodiments, the generatrix of the streamlined interior cavity is an elliptical curve.
In some embodiments, the large end 22 of the cartridge 2 is provided with a spherical removable end cap 10.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. The intelligent stepless air regulating valve comprises a valve body (1) and a valve core (2) arranged in the valve body (1); the valve is characterized in that the inner cavity of the valve body (1) is in a stepped tubular shape and comprises two coaxial circular straight pipe structures (3) with different inner diameters;
the two sections of circular straight tube structures (3) are communicated through a streamline inner cavity (4) with a generatrix as an arc line;
the axis of the streamline inner cavity (4) is coaxial with the axes of the two sections of the circular straight pipe structures (3);
at the connecting position of the streamline inner cavity (4) and the round straight pipe structure (3) with smaller inner diameter, an included angle A between a tangent line of a bus of the streamline inner cavity (4) and the radius direction of the round straight pipe structure (3) with smaller inner diameter is 0-30 degrees;
at the connecting position of the streamline inner cavity (4) and the circular straight pipe structure (3) with larger inner diameter, an included angle B between a tangent of a bus of the streamline inner cavity (4) and the radius direction of the circular straight pipe structure (3) with larger inner diameter is 90 degrees;
the valve core (2) is a rotating body in shape, and the axis of the rotating body is coaxial with the axis of the inner cavity of the valve body (1);
the part of the valve core (2) corresponding to the connecting position of the streamline inner cavity (4) and the circular straight pipe structure (3) with smaller inner diameter is of a stepped shaft structure and comprises a small end (21) and a large end (22); a sealing ring (5) is arranged on the annular stepped shaft structure formed by the small end (21) and the large end (22);
the outer diameter of the small end (21) is smaller than the inner diameter of the circular straight pipe structure (3) with smaller inner diameter;
the outer diameter of the large end (22) is larger than the inner diameter of the circular straight pipe structure (3) with smaller inner diameter;
and a driving part is arranged between the valve core (2) and the valve body (1), and is driven by the driving part to reciprocate along the axis of the inner cavity of the valve body (1).
2. The intelligent stepless air regulating valve according to claim 1, characterized in that the driving component comprises two sleeves (6) capable of relatively moving along an axis, and a driving screw rod (7) and a driven screw rod sleeve (8) which are arranged in the sleeves (6) and matched with each other;
one end of one sleeve (6) is connected with the valve core (2), and the driven screw rod sleeve (8) is fixed inside the sleeve;
one end of the other sleeve (6) is fixed relative to the valve body (1), and the driving screw rod (7) is arranged in the other sleeve.
3. The intelligent stepless air regulating valve according to claim 2, wherein the drive screw lead screw (7) is connected with a gearbox (9) and is driven to rotate by the gearbox (9).
4. The intelligent stepless air regulating valve according to claim 3, wherein the gearbox (9) is a gear gearbox and is connected with an external driving device through a transmission shaft (11).
5. An intelligent stepless air regulating valve according to claim 2, characterized in that each of the sleeve (6), the driving screw lead screw (7) and the driven screw sleeve (8) is arranged in the circular straight pipe structure (3) with smaller inner diameter.
6. The intelligent stepless air regulating valve according to claim 1, wherein the generatrix of the streamlined inner cavity is an elliptic curve.
7. The intelligent stepless air regulating valve according to claim 1, characterized in that the big end (22) of the valve core (2) is provided with a spherical detachable end cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121346688.0U CN215521986U (en) | 2021-06-17 | 2021-06-17 | Intelligent stepless air regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121346688.0U CN215521986U (en) | 2021-06-17 | 2021-06-17 | Intelligent stepless air regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521986U true CN215521986U (en) | 2022-01-14 |
Family
ID=79808644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121346688.0U Active CN215521986U (en) | 2021-06-17 | 2021-06-17 | Intelligent stepless air regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521986U (en) |
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2021
- 2021-06-17 CN CN202121346688.0U patent/CN215521986U/en active Active
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