CN108869761B - Mute improved control valve of oil pump - Google Patents
Mute improved control valve of oil pump Download PDFInfo
- Publication number
- CN108869761B CN108869761B CN201811079868.XA CN201811079868A CN108869761B CN 108869761 B CN108869761 B CN 108869761B CN 201811079868 A CN201811079868 A CN 201811079868A CN 108869761 B CN108869761 B CN 108869761B
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- CN
- China
- Prior art keywords
- valve
- oil pump
- seat
- control valve
- mute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 240000004307 Citrus medica Species 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 208000035389 Ring chromosome 6 syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to the technical field of oil pump pressure regulating valves, and discloses a mute improved control valve of an oil pump, which comprises a valve seat, a valve core, a sealing ball, a pushing seat, an elastic mechanism and a valve core, wherein the valve seat is provided with a valve cavity and a mixed guide hole communicated with the valve cavity; the control valve has the advantages of low noise and more compact structure.
Description
Technical Field
The invention relates to the technical field of oil pump control valves, in particular to a mute improved control valve of an oil pump.
Background
In the fuel engines of automobiles, motorcycles and the like, the electronic injection technology is increasingly adopted, and because the electronic injection technology adopts electronic induction to accurately control the injected oil quantity by a computer, the purpose of saving energy is achieved, and the control of the oil quantity of an oil pump needs a pressure regulating valve in an oil tank to control the oil quantity of a pipeline, and the existing control valve always has the problem of noise in the industry.
In order to reduce noise, there is a design of reducing the output aperture, but although the reduction of the output aperture can help to improve noise, the pumping pressure of the oil pump is certainly increased, and the load of the oil pump is increased, so that the inventor has made improvement in the aspect.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the mute improved control valve of the oil pump, which can obviously reduce working noise.
In order to achieve the purpose, the mute improved control valve of the oil pump comprises a valve seat, wherein the valve seat is provided with a valve cavity and a mixed guide hole communicated with the valve cavity, a plurality of oil distributing holes are uniformly distributed around the mixed guide hole, the mute improved control valve also comprises a valve core, a sealing ball and a pushing seat for pushing the sealing ball, an elastic mechanism is arranged in the valve cavity, the valve core is provided with a through oil duct, the inner end of the through oil duct is provided with an arc-surface flaring matched with the sealing ball, the pushing seat is provided with a guide post, the guide post extends to the outside of the mixed guide hole, the elastic mechanism is sleeved on the guide post and drives the pushing seat to move along the valve cavity, the pushing seat pushes the sealing ball to be matched with the arc-surface flaring for dynamic sealing, and the inner end of the valve core is embedded into the valve cavity and is in tight fit with the valve cavity.
Further, a sealing groove is formed in the periphery of the valve core, and a sealing ring is sleeved on the sealing groove.
Further, the sealing ball is a metal ball, and the diameter ratio value of the guide post to the mixed guide hole is 0.90-0.99.
Further, the elastic mechanism comprises a special-shaped spring, the bottom diameter of the special-shaped spring is larger than the top diameter of the special-shaped spring, and the top of the special-shaped spring is connected with the pushing seat.
Further, the pushing seat comprises an umbrella-shaped seat body and an annular peripheral citrate arranged at the top of the umbrella-shaped seat body.
Further, a spherical concave position corresponding to the sealing ball is arranged in the center of the pushing seat.
Further, the distance D1 between the elastic mechanism and the valve cavity wall is 2 times larger than the distance D2 between the guide post and the mixing guide hole.
Further, the mixing guide hole is provided with a guide convex ring extending into the valve cavity, and the guide column penetrates through the guide convex ring.
Preferably, the extension height of the guide convex ring is equal to or greater than 1mm, and the inner end of the guide convex ring is provided with an inner chamfer to form a horn shape.
Further, the valve cavity is provided with an inner step for limiting the swing of the elastic mechanism.
The invention has the beneficial effects that: the mute improved control valve of the oil pump comprises a valve seat, a valve core, a sealing ball, a pushing seat and an elastic mechanism, wherein the valve seat is provided with a valve cavity and a mixed guide hole communicated with the valve cavity, a plurality of oil distributing holes are uniformly distributed around the mixed guide hole, the valve cavity is internally provided with the elastic mechanism, the valve core is provided with a through oil duct, the inner end of the through oil duct is provided with an arc-surface flaring matched with the sealing ball, the pushing seat is provided with a guide post, the guide post extends to the outside of the mixed guide hole, the elastic mechanism is sleeved on the guide post and drives the pushing seat to move along the valve cavity, the pushing seat pushes the sealing ball to be matched with the arc-surface flaring for dynamic sealing, and the inner end of the valve core is embedded into the valve cavity and is tightly matched with the valve cavity; the control valve utilizes the pushing seat to connect the elastic mechanism, then under the cooperation of the guide post and the mixed guide hole, the movement of the elastic mechanism is limited, and meanwhile, the spacing limiting relation between the elastic mechanism and the valve cavity wall is combined, so that the elastic mechanism and the pushing seat are limited to keep a spacing with the inner wall of the valve cavity, and the polarization noise generated by the elastic mechanism and the pushing seat on the inner wall of the valve cavity is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a schematic view of the structure of the sealing ball of the present invention.
The reference numerals include:
the valve comprises a valve seat-1, a valve cavity-11, a mixing guide hole-12, an oil distributing hole-13, a valve core-2, a through oil duct-21, an arc-surface flaring-22, a sealing ring-23, a sealing ball-3, a pushing seat-4, a guide column-41, a spherical concave position-42, an elastic mechanism-5, a guide convex ring-6, an inner chamfer-61 and an inner step-7.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4.
Embodiment one.
Referring to fig. 1, 2 and 4, the mute improved control valve of the oil pump comprises a valve seat 1, wherein the valve seat 1 is provided with a valve cavity 11 and a mixed guide hole 12 communicated with the valve cavity 11, a plurality of oil distributing holes 13 are uniformly distributed around the mixed guide hole, the mute improved control valve also comprises a valve core 2, a sealing ball 3 and a pushing seat 4 for pushing the sealing ball 3, an elastic mechanism 5 is arranged in the valve cavity 11, the valve core 2 is provided with a through oil duct 21, the inner end of the through oil duct 21 is provided with an arc surface flaring 22 matched with the sealing ball 3, the pushing seat 4 is provided with a guide post 41, the guide post 41 extends to the outside of the mixed guide hole 12, the elastic mechanism 5 is sleeved on the guide post 41 and drives the pushing seat 4 to move along the valve cavity 11, the sealing ball 3 is pushed by the pushing seat 4 to be matched with the arc surface flaring 22 for dynamic sealing, the inner end of the valve core 2 is embedded into the valve cavity 11 and is tightly matched with the valve cavity 11, and the distance D1 between the elastic mechanism 5 and the wall of the valve cavity 11 is larger than 2 times of the distance D2 between the guide post 41 and the mixed guide hole 12; the control valve utilizes the pushing seat 4 to connect the elastic mechanism 5, then under the cooperation of the guide post 41 and the mixed guide hole 12, the movement of the elastic mechanism 5 is limited, and meanwhile, the distance D1 between the elastic mechanism 5 and the wall of the valve cavity 11 is larger than the distance D2 between the guide post 41 and the mixed guide hole 12, so that the elastic mechanism 5 and the pushing seat 4 are kept at intervals with the inner wall of the valve cavity 11, the polarization noise generated by the elastic mechanism 5 and the pushing seat 4 on the inner wall of the valve cavity 11 is reduced, according to practical tests, the noise of the existing control valve in operation is 50-60 dB, and by adopting the improved control valve, the noise in operation is 20-30 dB, and the noise is reduced by more than 50%.
In this technical scheme, the periphery of case 2 is provided with the seal groove, the seal groove has cup jointed sealing ring 23. When the control valve is installed, the sealing degree of the valve core 2 during external connection can be higher by utilizing the matching of the sealing ring 23 and the sealing groove.
In the technical scheme, the sealing ball 3 is a metal ball, and the diameter ratio value of the guide post to the mixed guide hole is 0.90-0.99. The metal ball can increase the resetting capability under the inclined or vertical state, and limit the diameter ratio between the guide post 41 and the mixed guide hole 12, so that the guide post can keep better axial movement, and meanwhile, the generation of radial resonance of the guide post is furthest limited, in the embodiment, the diameter of the guide post is set to be 1.94mm, the diameter of the mixed guide hole is set to be 2.0mm, and after the matching, the test shows that the noise can be greatly reduced to about 28 db, and meanwhile, the pressure of the sealing ball 3 is increased by 35%.
Further, the diameter of the guide post is set to be 1.90mm, the diameter of the mixed guide hole is set to be 2.05mm, and after the mixing, the test shows that the noise can be greatly reduced to about 27 db, and meanwhile, the pressure of the sealing ball 3 is not obviously increased.
The diameter of the guide post is set to be 1.94mm, the diameter of the mixed guide hole is set to be 2.05mm, and after the matching, the test shows that the noise can be greatly reduced to about 22 dB, and meanwhile, the pressure of the sealing ball 3 is not obviously increased. Therefore, it is preferable to control the ratio of the guide column to the mixed guide column to about 0.93.
In this technical scheme, the elastic mechanism 5 includes special-shaped spring, special-shaped spring's bottom diameter is greater than the top diameter, special-shaped spring's top is connected with pushing away seat 4. The special-shaped spring can be matched with the valve cavity 11 better, meanwhile, the compression stroke can be achieved to the greatest extent, and the volume of the valve cavity 11 is saved.
In order to make the accuracy of the pushing seat 4 in working better, the pushing seat 4 comprises an umbrella-shaped seat body and an annular Zhou Yuan arranged at the top of the umbrella-shaped seat body, and the center of the pushing seat 4 is provided with a spherical concave position 42 corresponding to the sealing ball 3, and the spherical concave position 42 is convenient for the sealing ball 3 to be always kept at the center of the pushing seat 4.
The mixing guide hole 12 of the present invention may pass a small amount of oil, and in order to further reduce noise generated by the oil passing, a plurality of oil distributing holes 13 are provided around the mixing guide hole 12, and generally, four optimal oil distributing holes having a smaller diameter than the mixing guide hole 12 are provided. The oil can be separated from the oil separating holes by the oil separating holes, so that the flow pressure of the mixed guide holes 12 is reduced, and the aim of reducing noise generated by partial oil pressure is fulfilled.
Embodiment two.
With reference to fig. 3, this embodiment is further improved and optimized on the basis of the first embodiment, since 50% of the noise of the entire control valve is generated by the elastic means (e.g. spring) under the resonance of the repeated movement of the sealing ball 3, so that the push seat 4 forms impact noise with the inner wall of the valve chamber 11, in order to make the push seat best guided by the guide post 41, the mixing guide hole is provided with a guide collar extending into the valve chamber, and the guide post passes through the guide collar 6.
And to the height of direction bulge loop 6, in this technical scheme, the extension height of direction bulge loop 6 is equal to or greater than 1mm, and the higher direction bulge loop can be set up according to the stroke that pushes away seat 4 is great to the person skilled in the art, the inner of direction bulge loop 6 is provided with interior chamfer 61 and forms loudspeaker form, and interior chamfer 61 can make the guide post have the effect of easier location and assembly when down running or assembling.
Since 40% of the noise of the whole control valve is generated in the elastic mechanism, which is typically a spring, the spring is radially displaced in the case of telescopic movement, so that the spring forms impact noise with the inner wall of the valve chamber 11, in this embodiment, the valve chamber 11 is provided with an inner step 7 for limiting the oscillation of the elastic mechanism. The lower part of the spring is preferably radially adapted to prevent a larger radial swinging gap, in this embodiment the diameter of the spring is 6.9-7mm and the inner diameter of the inner step 7 is 7.1-7.2mm.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (8)
1. The utility model provides a silence improvement control valve of oil pump, includes disk seat, its characterized in that: the valve seat is provided with a valve cavity and a mixed guide hole communicated with the valve cavity, a plurality of oil distributing holes are uniformly distributed around the mixed guide hole, the valve seat further comprises a valve core, a sealing ball and a pushing seat for pushing the sealing ball, an elastic mechanism is arranged in the valve cavity, the valve core is provided with a through oil duct, the inner end of the through oil duct is provided with an arc-surface flaring matched with the sealing ball, the pushing seat is provided with a guide post, the guide post extends to the outside of the mixed guide hole, the elastic mechanism is sleeved on the guide post and drives the pushing seat to move along the valve cavity, the pushing seat pushes the sealing ball to be matched with the arc-surface flaring for dynamic sealing, and the inner end of the valve core is embedded into the valve cavity and is tightly matched with the valve cavity;
the sealing ball is a metal ball, and the diameter ratio value of the guide post to the mixed guide hole is 0.90-0.99;
the distance D1 between the elastic mechanism and the valve cavity wall is 2 times larger than the distance D2 between the guide post and the mixing guide hole.
2. The mute improved control valve for oil pump according to claim 1, wherein: the periphery of case is provided with the seal groove, the seal groove has cup jointed the sealing ring.
3. The mute improved control valve for oil pump according to claim 1, wherein: the elastic mechanism comprises a special-shaped spring, the bottom diameter of the special-shaped spring is larger than the top diameter of the special-shaped spring, and the top of the special-shaped spring is connected with the pushing seat.
4. The mute improved control valve for oil pump according to claim 1, wherein: the pushing seat comprises an umbrella-shaped seat body and an annular peripheral citron arranged at the top of the umbrella-shaped seat body.
5. The mute improved control valve for oil pump according to claim 1, wherein: the center of the pushing seat is provided with a spherical concave position corresponding to the sealing ball.
6. The mute improved control valve for oil pump according to claim 1, wherein: the mixing guide hole is provided with a guide convex ring extending into the valve cavity, and the guide column penetrates through the guide convex ring.
7. The mute improved control valve for oil pump according to claim 6, wherein: the extension height of the guide convex ring is equal to or greater than 1mm, and the inner end of the guide convex ring is provided with an inner chamfer to form a horn shape.
8. The mute improved control valve for oil pump according to any one of claims 1 to 7, wherein: the valve cavity is provided with an inner step for limiting the swing of the elastic mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079868.XA CN108869761B (en) | 2018-09-17 | 2018-09-17 | Mute improved control valve of oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079868.XA CN108869761B (en) | 2018-09-17 | 2018-09-17 | Mute improved control valve of oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869761A CN108869761A (en) | 2018-11-23 |
| CN108869761B true CN108869761B (en) | 2024-03-15 |
Family
ID=64324019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811079868.XA Active CN108869761B (en) | 2018-09-17 | 2018-09-17 | Mute improved control valve of oil pump |
Country Status (1)
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| CN (1) | CN108869761B (en) |
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| CN105003686A (en) * | 2015-06-05 | 2015-10-28 | 徐州工业职业技术学院 | Low-noise flow regulating valve |
| CN104964050A (en) * | 2015-07-08 | 2015-10-07 | 航天长征化学工程股份有限公司 | Low-noise single-seat cage type regulating valve |
| CN107202008A (en) * | 2016-03-18 | 2017-09-26 | 日立汽车系统株式会社 | Pump installation |
| JP2017198387A (en) * | 2016-04-27 | 2017-11-02 | 株式会社不二工機 | Expansion valve |
| CN205722781U (en) * | 2016-04-28 | 2016-11-23 | 南安市品龙新材料科技有限公司 | A kind of household electrical appliance environmental protection noise reduction machine |
| CN106321916A (en) * | 2016-11-08 | 2017-01-11 | 玉环江林水暖管业有限公司 | Flow safety valve |
| CN206458595U (en) * | 2017-01-26 | 2017-09-01 | 东莞市奥垦汽车泵业有限公司 | A kind of boost pump of automobile |
| CN206456355U (en) * | 2017-02-17 | 2017-09-01 | 东莞市奥垦汽车泵业有限公司 | A kind of vavuum pump power brake assembly |
| CN206723044U (en) * | 2017-02-17 | 2017-12-08 | 东莞市奥垦汽车泵业有限公司 | A kind of reciprocating brake vacuum assist pump |
| CN206626241U (en) * | 2017-03-10 | 2017-11-10 | 伯特利阀门集团有限公司 | Built-in driving axial flow control valve |
| CN207278898U (en) * | 2017-10-23 | 2018-04-27 | 浙江三花智能控制股份有限公司 | Throttling stop valve and there is its air-conditioning system |
| CN207500547U (en) * | 2017-11-20 | 2018-06-15 | 东莞市奥垦汽车泵业有限公司 | A kind of high leakproofness one-way pressure regulating valve |
| CN208778708U (en) * | 2018-09-17 | 2019-04-23 | 东莞市奥垦汽车泵业有限公司 | A kind of mute improvement control valve of oil pump |
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| CN108869761A (en) | 2018-11-23 |
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Effective date of registration: 20240207 Address after: 523000, 1st floor, Building 5, Shikeng Road, Zhangkeng Industrial Park, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Applicant after: Dongguan Poliwei Power Technology Co.,Ltd. Country or region after: China Address before: 523000, Block C, Building 5, Shikeng Road, Zhangkeng Industrial Park, Xicheng District, Hengli Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN AOKEN AUTOMOTIVE PUMP CO.,LTD. Country or region before: China |
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