CN203626922U - Engine hydrocone type oil return device and engine - Google Patents
Engine hydrocone type oil return device and engine Download PDFInfo
- Publication number
- CN203626922U CN203626922U CN201320768763.1U CN201320768763U CN203626922U CN 203626922 U CN203626922 U CN 203626922U CN 201320768763 U CN201320768763 U CN 201320768763U CN 203626922 U CN203626922 U CN 203626922U
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- CN
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- Prior art keywords
- oil
- return
- motor
- fluid
- engine
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- LLPOLZWFYMWNKH-CMKMFDCUSA-N hydrocodone Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)CC(=O)[C@@H]1OC1=C2C3=CC=C1OC LLPOLZWFYMWNKH-CMKMFDCUSA-N 0.000 title claims abstract description 21
- 239000012530 fluid Substances 0.000 claims description 37
- 239000000945 filler Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000003292 diminished effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 82
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000010705 motor oil Substances 0.000 abstract description 3
- 239000010721 machine oil Substances 0.000 description 9
- 238000009423 ventilation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 simultaneously Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to an engine hydrocone type oil return device, which is arranged on a return oil duct between a cylinder cover of an engine and an oil pan and comprises a hydrocone oil return pipe which is communicated with the return oil duct; an oil guide and adjustment device which is used for stopping oil flowing to the hydrocone oil return pipe to change the flow direction of the oil is arranged in an oil inlet of the hydrocone oil return pipe in a connecting way. The utility model also relates to an engine with the hydrocone type oil return device. After the technical scheme is adopted, before the oil enters the return oil duct, air in the return oil duct is discharged, the oil return efficiency is improved, the ventilating system of a crankcase is optimized, the risk that engine oil participates in air cylinder combustion is reduced, and the stability, the safety and the discharge level of the engine are improved.
Description
Technical field
The utility model relates to a kind of drainback passage structure being arranged between engine cylinder cover and oil sump, relates in particular to a kind of motor hydrocone type oil return apparatus, and the utility model relates to a kind of motor with this hydrocone type oil return apparatus simultaneously.
Background technique
Along with domestic and international automobile market is to the improving constantly of automobile fuel consumption and emission request, engine thermal efficiency requires day by day to improve, and strengthening level also improves constantly, and therefore, the requirement of PCV system is also improved constantly.There is the not smooth problem of cylinder cap oil return at present large multiple-motor, causes machine oil to enter in cylinder and participate in burning, finally affects engine performance and complete machine discharge.The problems such as in addition, the oil return efficiency that strengthens motor is the effective way that solves crankcase ventilation problem, and current crankcase ventilation system ubiquity oil return efficiency is low.
Present stage, engine crankshaft ventilation system oil return is mainly the problem by solve engine oil return in the mode of gray iron casting back oil road.This circuit is gravity type oil return, is the mixture of machine oil and air in cylinder cap oil sump, is wave flow and stream of pulses state when flow of fluid, and in the process of oil return, air enters back oil road with machine oil whirlpool, seriously hinders that machine oil is smooth and easy to be got back in oil sump.Therefore,, if will improve the oil return efficiency of cylinder cap oil return, conventionally adopt increase cylinder cap, cylinder body oil return area to meet the oil return demand of motor.But due to factors such as complete machine layout, structural limitations, cylinder cap oil return area is added to the difficulties.
Model utility content
For solving the deficiencies in the prior art, the utility model provides a kind of can effectively prevent that gas from entering in back oil road to improve the motor hydrocone type oil return apparatus of oil return efficiency.
For achieving the above object, motor hydrocone type oil return apparatus of the present utility model, be arranged on the back oil road between cylinder cap and the oil sump of motor, comprise the siphon return tube being communicated with back oil road, the fluid being connected with at the filler opening place of siphon return tube flowing to siphon return tube stops to change the fluid guiding regulating device that fluid flows to.By setting up setting up of fluid guiding regulating device, fluid is realized and being stopped, so that air is separated with fluid, avoiding fluid to carry air enters in siphon return tube, improve oil return efficiency, optimize crankcase ventilation system, reduced the risk of machine oil participation cylinder combustion, improved stability, Security and the emission level of motor.
As the restriction to aforesaid way, described fluid guiding regulating device comprise be fixed on siphon return tube filler opening place, there is the cover plate of the through hole being communicated with siphon return tube, be on the cover board provided with the multiple arc plates that are radial setting by through hole to cover plate outward edge; Between adjacent two arc plates, form because of spacing for fluid and flow into the oil duct in through hole, described oil duct is diminished to through hole gradually by the edge of cover plate.By the design of multiple arc plate structures, make each fluid passage entirety form vortex shape, in use, can, by this overall vortex shape fluid passage and contrary setting of liquid whirlpool sense of rotation, improve the separating effect of fluid and air.
As the restriction to aforesaid way, described arc plate is upwards uniform in the week of cover plate.
As the improvement to aforesaid way, described arc plate is tangent setting in through hole.By the setting of this structure, the flow direction that enters the fluid before siphon return tube is guided, to adjust the state of fluid, fluid can be flow in siphon return tube fast.
As to restriction of the present utility model, described siphon return tube comprises the first straight tube of the vertical setting with filler opening, the second straight tube that vertically arranges and be communicated with back oil road, and be communicated with the first straight tube and the second straight tube and make the S-shaped middle bend pipe of siphon return tube.
In addition, the utility model provides a kind of motor simultaneously, comprise cylinder body, be arranged on cylinder body top cylinder cap, be arranged on the oil sump of cylinder base, between cylinder cap and oil sump, be provided with the fluid in cylinder cap is back to the back oil road in oil sump, between back oil road and cylinder cap, be provided with motor hydrocone type oil return apparatus as above.
In sum, adopt the technical solution of the utility model, make before fluid enters into back oil road, by the Bas Discharged in it, improve oil return efficiency, optimize crankcase ventilation system, reduce the risk that machine oil participates in cylinder combustion, improved stability, Security and the emission level of motor.
Brief description of the drawings
Below in conjunction with the drawings and the specific embodiments, the utility model is done further to describe in detail:
Fig. 1 is the utility model embodiment one structural representation;
Fig. 2 is the plan view of fluid guiding regulating device in Fig. 1;
Fig. 3 is the utility model embodiment two structural representation;
1, siphon return tube; 101, the first straight tube; 102, the second straight tube; 103, middle bend pipe; 2, fluid guiding regulating device; 201, cover plate; 202, through hole; 203, arc plate; 204, oil duct; 3, cylinder body; 4, cylinder cap; 5, oil sump; 6, cylinder head cover; 7, back oil road; 8, motor hydrocone type oil return apparatus.
Embodiment
embodiment one
The present embodiment relates to a kind of motor hydrocone type oil return apparatus, as shown in Figure 1, it comprises the siphon return tube 1 for being communicated with back oil road as described below, this siphon return tube 1 comprises the first straight tube 101 of the vertical setting with filler opening, the second straight tube 102 that vertically arranges and be communicated with back oil road, between the first straight tube 101 and the second straight tube 102, be connected with the middle bend pipe 103 of the two connection, by the connection of middle bend pipe 103, make siphon return tube 1 entirety S-shaped.
Innovative point of the present utility model is at the filler opening place of the first straight tube 101 of siphon return tube, and the fluid being connected with flowing to siphon return tube stops to change the fluid guiding regulating device 2 that fluid flows to.
By Fig. 1 in conjunction with shown in Fig. 2, fluid guiding regulating device 2 in the present embodiment comprises the cover plate 201 at the filler opening place that is fixed on siphon return tube 1, cover plate 201 has certain thickness H, be provided with at the middle part of cover plate 201 and connect the through hole 202 arranging, one end that the first straight tube 101 has filler opening is connected to through hole 202 places by interference mode, is communicated with by through hole 202 with the top of realizing cover plate 201 with the first straight tube 101.
Above cover plate 201, be fixed with four arc plates 203, on each arc plate 203, dash forward in the upper surface setting of cover plate 201, and each arc plate 203 is in the circumferential uniform setting of cover plate 201.Each arc plate 203 is radial by through hole 202 places to the outward edge of cover plate 201, and wherein one end of each arc plate 203 extends to through hole 202 places, and tangent with the circumferential edges of through hole 202.Between two adjacent arc plates 203, because the spacing of the two forms the oil duct 204 that flows into through hole 202 for fluid, as seen from Figure 2, each oil duct 204 is diminished to through hole 202 gradually by the edge of cover plate 201, and each oil duct 204 entirety form a vortex shape.
embodiment two
The present embodiment relates to a kind of motor, as shown in Figure 3, it comprises cylinder body 3, be arranged on the cylinder cap 4 at cylinder body 3 tops, be arranged on the oil sump 5 of cylinder body 3 bottoms, be buckled with cylinder head cover 6 at the main header casing of cylinder cap 4, between cylinder cap 4 and oil sump 5, be provided with the fluid in cylinder cap 4 is back to the back oil road 7 in oil sump 5, in order to realize oil return effect, between back oil road 7 and cylinder cap 4, be provided with the motor hydrocone type oil return apparatus 8 described in embodiment one.The description of structure in one in conjunction with the embodiments, specifically, the free end of the second straight tube 102 is communicated with setting with back oil road 7, cover plate 201 on the first straight tube 101 is connected with cylinder cap 4, and the upper surface of guaranteeing cover plate 201 is not higher than the bottom surface of cylinder cap 4 oil sumps, make like this fluid in cylinder cap 4 oil sumps to be flow in through hole 202 by the upper surface of cover plate 201, and then flow in siphon return tube 1, what deserves to be explained is, in order to ensure oil return, shown in Fig. 1 under state in the middle of the peak of bend pipe 103 should be not higher than the bottom surface of cylinder cap 4 oil sumps, in order to realize this object, in the present embodiment, can make cover plate 201 be not less than in the position, the end of thickness direction in the middle of the peak of bend pipe 103, by adjusting the thickness H of cover plate 201, to adapt to the height of engine cylinder cover oil sump inner engine oil liquid level.
In use, machine oil in cylinder cap oil sump is with the oil return of gravity mode, the pressure of this machine oil in cylinder head cover 6, self gravitation, under the actings in conjunction such as camshaft circumferentially stirs, machine oil can form funnelform vertical whirlpool before entering through hole through hole 202, this circinate fluid, be subject to stopping of arc plate 203, vortex can be retracted to very little degree, and then get rid of the gas in fluid, simultaneously, fluid is under arc plate guiding, with the arrow signal state shown in Fig. 2, flow into through hole 202 by oil duct 204, and enter in the first straight tube 101, in the first straight tube 101, cushioned and be stored, until the Height of oil in the first straight tube 101 is during higher than the peak of the second straight tube 102, fluid flows into the second straight tube 102 by middle bend pipe 103, and in back oil road 7 flows back to oil sump 5.
Claims (6)
1. a motor hydrocone type oil return apparatus, be arranged on the back oil road between cylinder cap and the oil sump of motor, comprise the siphon return tube being communicated with back oil road, it is characterized in that: the fluid being connected with at the filler opening place of siphon return tube flowing to siphon return tube stops to change the fluid guiding regulating device that fluid flows to.
2. motor hydrocone type oil return apparatus according to claim 1, it is characterized in that: described fluid guiding regulating device comprise be fixed on siphon return tube filler opening place, there is the cover plate of the through hole being communicated with siphon return tube, be on the cover board provided with the multiple arc plates that are radial setting by through hole to cover plate outward edge; Between adjacent two arc plates, form because of spacing for fluid and flow into the oil duct in through hole, described oil duct is diminished to through hole gradually by the edge of cover plate.
3. motor hydrocone type oil return apparatus according to claim 2, is characterized in that: described arc plate is upwards uniform in the week of cover plate.
4. motor hydrocone type oil return apparatus according to claim 2, is characterized in that: described arc plate is tangent setting in through hole.
5. motor hydrocone type oil return apparatus according to claim 1, it is characterized in that: described siphon return tube comprises the first straight tube of the vertical setting with filler opening, the second straight tube that vertically arranges and be communicated with back oil road, and be communicated with the first straight tube and the second straight tube and make the S-shaped middle bend pipe of siphon return tube.
6. a motor, comprise cylinder body, be arranged on cylinder body top cylinder cap, be arranged on the oil sump of cylinder base, between cylinder cap and oil sump, be provided with the fluid in cylinder cap is back to the back oil road in oil sump, it is characterized in that: between back oil road and cylinder cap, be provided with the motor hydrocone type oil return apparatus as described in any one in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768763.1U CN203626922U (en) | 2013-11-29 | 2013-11-29 | Engine hydrocone type oil return device and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768763.1U CN203626922U (en) | 2013-11-29 | 2013-11-29 | Engine hydrocone type oil return device and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203626922U true CN203626922U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320768763.1U Expired - Fee Related CN203626922U (en) | 2013-11-29 | 2013-11-29 | Engine hydrocone type oil return device and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203626922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023343A (en) * | 2016-01-29 | 2017-08-08 | 福特环球技术公司 | The oily supply loop of engine |
| CN108518257A (en) * | 2018-04-16 | 2018-09-11 | 浙江创格科技有限公司 | A kind of efficiently cooling machine oil oil return component |
-
2013
- 2013-11-29 CN CN201320768763.1U patent/CN203626922U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023343A (en) * | 2016-01-29 | 2017-08-08 | 福特环球技术公司 | The oily supply loop of engine |
| CN108518257A (en) * | 2018-04-16 | 2018-09-11 | 浙江创格科技有限公司 | A kind of efficiently cooling machine oil oil return component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |