CN220727272U - Valve core with steady flow function and electromagnetic valve - Google Patents
Valve core with steady flow function and electromagnetic valve Download PDFInfo
- Publication number
- CN220727272U CN220727272U CN202322194149.5U CN202322194149U CN220727272U CN 220727272 U CN220727272 U CN 220727272U CN 202322194149 U CN202322194149 U CN 202322194149U CN 220727272 U CN220727272 U CN 220727272U
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- valve core
- transition section
- steady flow
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- 238000007789 sealing Methods 0.000 claims abstract description 50
- 230000007704 transition Effects 0.000 claims abstract description 43
- 230000000694 effects Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000012938 design process Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 238000004134 energy conservation Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003631 expected effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides a valve core with a steady flow effect and an electromagnetic valve, wherein the valve core with the steady flow effect comprises a valve core shaft, a first sealing part and a second sealing part which are arranged on the valve core shaft at intervals, an annular bulge which is arranged between the first sealing part and the second sealing part and protrudes outwards from the valve core shaft direction, and an arc transition section which is used for connecting the first sealing part and the annular bulge, wherein the diameter of the annular bulge is smaller than that of the first sealing part and the second sealing part along the shaft direction. According to the valve core with the steady flow effect and the electromagnetic valve, the annular bulge and the circular arc transition section are arranged, so that the influence of internal vortex and throttling phenomenon generated by backflow under high flow can be reduced, the flow control capacity in the whole valve design process is improved, the service life of the hydraulic end of the electromagnetic valve is prolonged, the friction force in the valve core movement process with the steady flow effect is reduced, and the flow loss is reduced.
Description
Technical Field
The utility model relates to a valve core with a steady flow function and an electromagnetic valve.
Background
In automotive gearboxes, solenoid valves are widely used to control the flow and pressure of internal fluids under various operating conditions. In certain application-specific conditions, it is desirable to enhance the flow capacity of the solenoid valve in order to better meet the automotive performance requirements. However, after increasing the internal flow, the flow of the internal fluid may change, resulting in a failure of the flow to meet the performance requirements.
Currently, the design of the valve core of the electromagnetic valve on the market is generally single, two ends are in a piston shape, the middle is a cylinder with smaller diameter, and the middle position of the cylinder valve rod is provided with an annular bulge for achieving the rectifying effect, so that the effect is limited under the requirement of large flow. Under the working conditions of large pressure difference and large flow, the internal hydraulic pressure generated by fluid flow is large, and is particularly obvious at the fluid outlet. The vortex flow generated by the fluid flow makes the fluid flow near the outlet be random, thus inevitably generating a throttling effect, and making the flow rate not reach the expected effect. Meanwhile, the generated vortex can generate irregular radial force on the valve core, so that the balance of the valve core is destroyed, and the friction force in the movement of the valve core is increased, thereby the clamping stagnation phenomenon of the valve core occurs. Because the fluid flow is larger, the flow resistance is also larger, and simultaneously, the larger energy loss is caused, which is unfavorable for the large trend of energy conservation and emission reduction of automobiles.
In view of this, there is a need for an improvement to the existing valve element with a steady flow function to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a valve core with a steady flow function, so as to solve the problems that the flow of the existing high-flow electromagnetic valve cannot achieve the expected effect, the clamping stagnation phenomenon of the valve core occurs and the energy loss is increased.
In order to achieve the above purpose, the utility model provides a valve core with a steady flow function, which comprises a valve core shaft, a first sealing part and a second sealing part which are arranged on the valve core shaft at intervals, an annular bulge which is arranged between the first sealing part and the second sealing part and protrudes outwards from the valve core shaft, and an arc transition section which connects the first sealing part and the annular bulge, wherein the diameter of the annular bulge is smaller than the diameter of the first sealing part and the second sealing part along the axial direction.
As a further development of the utility model, the diameter of the circular arc transition section gradually increases from the middle to the two sides.
As a further improvement of the utility model, the maximum diameter of both ends of the circular arc transition section is smaller than the diameters of the first sealing portion and the circular arc transition section.
As a further improvement of the utility model, the angle difference between the straight line from the edges of the two ends of the arc transition section to the minimum diameter of the arc transition section and the horizontal line is less than 5 degrees.
As a further improvement of the utility model, a common transition section is arranged between the annular bulge and the valve core shaft, the common transition section is positioned between the annular bulge and the second sealing part, and the minimum diameter of the common transition section is smaller than the diameter of the annular bulge.
As a further improvement of the present utility model, the first sealing portion is concavely formed with a sliding groove in a radial direction.
The utility model also provides an electromagnetic valve, which comprises a valve sleeve with a valve cavity and a valve core with a steady flow function, wherein the valve core is arranged in the valve cavity, a return opening and a flow inlet are axially arranged on the valve sleeve, a circle of annular groove is concavely formed on the inner wall of the valve sleeve around the return opening and the flow inlet to increase the flow inlet and outlet, and the first sealing part is arranged at one end close to the flow inlet and used for opening or closing the flow inlet.
As a further improvement of the utility model, the electromagnetic valve further comprises a valve body and an electromagnetic head for driving the valve core with the steady flow function to axially move, and the valve sleeve is arranged in the valve body.
As a further improvement of the utility model, the valve sleeve is also provided with a control port positioned between the return port and the inlet port.
As a further improvement of the utility model, a plurality of sealing rings are arranged between the valve body and the valve sleeve so as to separate the return port, the control port and the inflow port.
The beneficial effects of the utility model are as follows: according to the valve core with the steady flow effect and the electromagnetic valve, the annular bulge and the circular arc transition section are arranged, so that the influence of internal vortex and throttling phenomenon generated by backflow under high flow can be reduced, the flow control capacity in the whole valve design process is improved, the service life of a hydraulic end of the electromagnetic valve is prolonged, the friction force in the moving process of the valve core with the steady flow effect is reduced, the blocking valve and hysteresis phenomenon of the valve core with the steady flow effect are effectively solved, and the flow loss is reduced, so that the energy consumption requirement on the high flow is reduced, and the valve core with the steady flow effect is beneficial to energy conservation, emission reduction and environmental protection.
Drawings
FIG. 1 is a schematic cross-sectional view of a solenoid valve of the present utility model;
FIG. 2 is a schematic cross-sectional view of a solenoid valve of the present utility model without a valve core having a steady flow effect;
FIG. 3 is a schematic structural view of a valve core with steady flow function of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 3, the electromagnetic valve 100 of the present utility model comprises a valve housing 1 having a valve cavity 15, a valve core 2 having a steady flow function provided in the valve cavity 15, a valve body 3, an electromagnetic head 4 for driving the valve core to move in an axial direction, and a return spring 5 provided in the valve housing 1, wherein the valve housing 1 is provided in the valve body 3.
The valve sleeve 1 is provided with a backflow port 11, a flow inlet 12 and a control port 13 positioned between the backflow port 11 and the flow inlet 12 along the axial direction.
The inner wall of the valve sleeve 1 surrounds the backflow port 11 and the inflow port 12 to form a circle of annular grooves 14 in a concave manner so as to increase the inflow and outflow rate. Namely, after passing through the inlet 12, the liquid enters the annular groove 14, enters the valve cavity 15 and flows into the return 11, and before entering the return 11, the liquid enters the annular groove 14 of the return 11, enters the return 11, and the flow entering the return 11 can be increased. After the annular groove 14 is added, the flow rate can be improved by about 80 percent.
A plurality of sealing rings 31 are arranged between the valve body 3 and the valve sleeve 1 to separate the reflux port 11, the control port 13 and the inlet port 12.
The valve core 2 with the steady flow function comprises a valve core shaft 21, a first sealing part 22, a second sealing part 23, an annular protrusion 24, an arc transition section 25 and a common transition section 26, wherein the first sealing part 22 and the second sealing part 23 are arranged on the valve core shaft 21 at intervals, the annular protrusion 24 is arranged between the first sealing part 22 and the second sealing part 23 and protrudes outwards from the valve core shaft 21, the arc transition section 25 is used for connecting the first sealing part 22 and the annular protrusion 24, and the common transition section 26 is arranged between the annular protrusion 24 and the valve core shaft 21.
The valve core shaft 21 is inserted into the return spring 5 near one end of the first sealing portion 22, the return spring 5 abuts against the first sealing portion 22, a sliding groove 221 is concavely formed in the first sealing portion 22 along a radial direction, and the sliding groove 221 can improve the smoothness of the valve core in the valve cavity 15.
The other end of the valve core shaft 21 is abutted against the electromagnetic head 4 so that the battery head can squeeze and drive the valve core 2 with the steady flow effect to move along the axial direction.
The first sealing portion 22 is disposed near one end of the inlet 12 to open or close the inlet 12. The second sealing portion 23 is disposed near one end of the return port 11 to open or close the return port 11.
The diameter of the annular projection 24 in the axial direction is smaller than the diameters of the first seal portion 22 and the second seal portion 23. In this embodiment, the diameter of the annular protrusion 24 is 6.4mm.
The diameter of the arc transition section 25 gradually increases from the middle to the two sides. In this embodiment, the minimum diameter of the middle part of the arc transition section 25 is 3.8mm.
The maximum diameter of both ends of the circular arc transition section 25 is smaller than the diameters of the first sealing portion 22 and the circular arc transition section 25. In this embodiment, the radius of the end of the arc transition section 25 near the first sealing portion 22 is smaller than the radius of the first sealing portion 22 by 0.3mm. The radius of the end of the arc transition section 25 near the annular protrusion 24 is smaller than the radius of the annular protrusion 24 by 0.2mm.
The angle difference between the straight line from the two end edges of the arc transition section 25 to the minimum diameter of the arc transition section 25 and the horizontal line is less than 5 degrees. In this embodiment, the angle between the straight line of the circular arc transition section 25, which is near the edge of the first sealing portion 22 and the minimum diameter of the circular arc transition section 25, and the horizontal line is 19 °, and the angle between the straight line of the circular arc transition section 25, which is near the edge of the annular protrusion 24 and the minimum diameter of the circular arc transition section 25, and the horizontal line is 22 °.
After entering the valve cavity 15 from the inlet 12, the fluid passes through the arc transition section 25 and then flows to the return port 11 after passing through the annular protrusion 24, and the annular protrusion 24 can prevent vortex and return flow when flowing to the return port 11. At the same time, the backflow of the fluid flowing through the annular bulge 24 without flowing to the inlet 12 at the other end can be avoided, the flow handling capacity of the electromagnetic valve 100 is improved when the electromagnetic valve 100 is designed, and therefore the service life of the hydraulic end of the electromagnetic valve 100 is prolonged; in addition, under the condition of larger pressure difference and flow demand, the flow of the fluid is smoother, and meanwhile, the flow loss is reduced, so that the energy consumption demand on large flow is reduced, the energy conservation and emission reduction are facilitated, and the environment is protected; meanwhile, the lateral force generated by the valve core 2 with the steady flow effect due to overlarge internal hydrodynamic force is reduced, so that the valve core 2 with the steady flow effect is more stable in the moving process, the friction force in the moving process of the valve core 2 with the steady flow effect is reduced, and the clamping valve and hysteresis of the valve core 2 with the steady flow effect are effectively solved.
The common transition section 26 is located between the annular protrusion 24 and the second sealing portion 23, and the minimum diameter of the common transition section 26 is smaller than the diameter of the annular protrusion 24. The middle part of the common transition section 26 is columnar, and two ends of the common transition section are in a circular truncated cone shape and are respectively connected with the annular bulge 24 and the second sealing part 23.
According to the valve core 2 with the steady flow effect and the electromagnetic valve, the annular bulge 24 and the circular arc transition section 25 are arranged, so that the influence of internal vortex and throttling phenomenon generated by backflow under high flow can be reduced, the flow handling and controlling capacity of the whole valve in design is improved, the service life of a hydraulic end of the electromagnetic valve is prolonged, the friction force of the valve core 2 with the steady flow effect in the moving process is reduced, the blocking valve and hysteresis phenomenon of the valve core 2 with the steady flow effect are effectively solved, the flow loss is reduced, the energy consumption requirement on the high flow is reduced, and the valve core is beneficial to energy conservation, emission reduction and environmental protection.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a case with stationary flow effect which characterized in that: the valve core (2) with the steady flow effect comprises a valve core shaft (21), a first sealing part (22) and a second sealing part (23) which are arranged on the valve core shaft (21) at intervals, an annular bulge (24) which is arranged between the first sealing part (22) and the second sealing part (23) and protrudes outwards from the valve core shaft (21), and an arc transition section (25) which is connected with the first sealing part (22) and the annular bulge (24), wherein the diameter of the annular bulge (24) is smaller than the diameter of the first sealing part (22) and the diameter of the second sealing part (23) along the axial direction.
2. The valve cartridge with steady flow effect according to claim 1, characterized in that: the diameter of the arc transition section (25) gradually increases from the middle part to the two sides.
3. The valve cartridge with steady flow function according to claim 2, characterized in that: the maximum diameter of the two ends of the arc transition section (25) is smaller than the diameters of the first sealing part (22) and the arc transition section (25).
4. The valve cartridge with steady flow function according to claim 2, characterized in that: and the angle difference between the straight line from the two end edges of the arc transition section (25) to the minimum diameter of the arc transition section (25) and the horizontal line is smaller than 5 degrees.
5. The valve cartridge with steady flow effect according to claim 1, characterized in that: a common transition section (26) is arranged between the annular bulge (24) and the valve core shaft (21), the common transition section (26) is positioned between the annular bulge (24) and the second sealing part (23), and the minimum diameter of the common transition section (26) is smaller than the diameter of the annular bulge (24).
6. The valve cartridge with steady flow effect according to claim 1, characterized in that: the first sealing part (22) is concavely provided with a sliding groove (221) along the radial direction.
7. A solenoid valve, characterized in that: the electromagnetic valve (100) comprises a valve sleeve (1) with a valve cavity (15), and a valve core (2) with a steady flow function, which is arranged in the valve cavity (15) and is used for any one of claims 1-6, wherein a backflow port (11) and a flow inlet (12) are axially arranged on the valve sleeve (1), a circle of annular grooves (14) are concavely formed on the inner wall of the valve sleeve (1) around the backflow port (11) and the flow inlet (12) to increase the flow inlet and outlet, and the first sealing part (22) is arranged at one end close to the flow inlet (12) and is used for opening or closing the flow inlet (12).
8. The solenoid valve according to claim 7, wherein: the electromagnetic valve (100) further comprises a valve body (3) and an electromagnetic head (4) used for driving the valve core with the steady flow effect to move along the axial direction, and the valve sleeve (1) is arranged in the valve body (3).
9. The solenoid valve according to claim 8, wherein: the valve sleeve (1) is also provided with a control port (13) positioned between the backflow port (11) and the inflow port (12).
10. The solenoid valve according to claim 9, wherein: a plurality of sealing rings (31) are arranged between the valve body (3) and the valve sleeve (1) so as to separate the backflow port (11), the control port (13) and the inflow port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322194149.5U CN220727272U (en) | 2023-08-15 | 2023-08-15 | Valve core with steady flow function and electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322194149.5U CN220727272U (en) | 2023-08-15 | 2023-08-15 | Valve core with steady flow function and electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727272U true CN220727272U (en) | 2024-04-05 |
Family
ID=90494632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322194149.5U Active CN220727272U (en) | 2023-08-15 | 2023-08-15 | Valve core with steady flow function and electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727272U (en) |
-
2023
- 2023-08-15 CN CN202322194149.5U patent/CN220727272U/en active Active
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