CN202370616U - Crankcase ventilation device - Google Patents
Crankcase ventilation device Download PDFInfo
- Publication number
- CN202370616U CN202370616U CN2011205371315U CN201120537131U CN202370616U CN 202370616 U CN202370616 U CN 202370616U CN 2011205371315 U CN2011205371315 U CN 2011205371315U CN 201120537131 U CN201120537131 U CN 201120537131U CN 202370616 U CN202370616 U CN 202370616U
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- CN
- China
- Prior art keywords
- plate
- cavity
- baffle
- dividing plate
- crankcase
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a crankcase ventilation unit, by the bottom plate, the preceding curb plate, the posterior lateral plate, the cavity that left side board and right side board enclose and locate the multiunit baffle in the cavity, the multiunit baffle separates the cavity for a plurality of diffusion speed reduction chambeies, every group baffle includes baffle and the striking plate that sets gradually along the lengthwise direction of cavity, be equipped with air inlet and gas outlet on left side board and the preceding curb plate respectively, be equipped with the through-hole on the bottom of baffle and bottom plate fixed connection and the baffle, the air gap has between the rear end of striking plate and the posterior lateral plate, the front end and the rear end of baffle respectively with preceding curb plate and posterior lateral plate fixed connection, be equipped with the oil gallery on the bottom plate of every diffusion speed reduction intracavity. The utility model discloses a crankcase ventilation unit can not only effectively be with the mixed oil-gas separation in the crankcase, arranges in a flexible way moreover.
Description
Technical field
The utility model relates to the engine crankcase field, relates in particular to a kind of crankcase bleeder.
Background technique
During engine operation, understand some inflammable mixture and waste gas usually and scurry in the crankcase by cylinder through piston ring.When motor moved at low temperatures, during liquid fuel was bled crankcase in addition, these materials such as untimely removing will be quickened the rotten of machine oil and parts corroded or corrosion.In addition, because inflammable mixture and waste gas are scurried the pressure increase that can cause in the crankcase in the crankcase, when pressure was increased to a certain degree, machine oil can ooze out and runs off from crank shaft oil seal and crankcase liner.To this situation, the bent axle ventilation plant usually is set before the Waste gas outlet of crankcase the oil gas in the waste gas is separated and filters, directly discharge and befouling environment with waste gas to reduce a large amount of oil droplets.
Chinese patent 201010295567.8 discloses a kind of crankcase ventilation labyrinth on January 12nd, 2011.This crankcase ventilation labyrinth is a rectangular-shaped cavity that is surrounded by valve mechanism cover and coaming plate, is provided with many group dividing plates in the cavity, and cavity is divided into a plurality of pressure stabilizing cavities.Offer suction port on the coaming plate, offer the air outlet on the back side panel of valve mechanism cover.Every group of dividing plate comprises first dividing plate and the second partition that sets gradually along the longitudinal direction of cavity.Have first between the top of first dividing plate and the top board of valve mechanism cover and cross the gas gap; The bottom of first dividing plate is fixedly connected with the bottom of valve mechanism cover, the front-end and back-end of first dividing plate respectively and have between the front side plate of valve mechanism cover and the back side panel second cross the gas gap and first dividing plate the centre be provided with through hole.The front-end and back-end of second partition respectively and have the 3rd between the front side plate of valve mechanism cover and the back side panel and cross the gas gap; Have the 4th between the top of second partition and the top board of valve mechanism cover and cross the gas gap, the bottom of second partition is fixedly connected with the base plate of valve mechanism cover.
During ventilation; After oil gas gets into cavity from suction port; Cross the through hole of crossing on the gas gap and first dividing plate in gas gap, second through first and flow to second partition, and between first dividing plate and second partition bump repeatedly, the bump back is crossed gas gap and the 4th along the 3rd and is crossed the gas gap and flow to first pressure stabilizing cavity; Flow to a plurality of pressure stabilizing cavities then successively, flow out through the air outlet at last.The oil droplet of separating is crossed the bottom of crossing the gas gap in gas gap and the 3rd through second and is flowed back to the suction port place, finally flows back to oil sump.
Yet; Because the front-end and back-end of first dividing plate respectively and be formed with second between the front side plate of valve mechanism cover and the back side panel and cross the gas gap and first dividing plate is provided with through hole in the above-mentioned crankcase ventilation labyrinth; Thereby,, oil gas can directly flow to the gap between first dividing plate and the second partition after getting into cavity from suction port through two second through holes of crossing on the gas gap and first dividing plate at the first dividing plate two ends, thereby; Make to get in the gas in the gap between first dividing plate and the second partition and still contain a large amount of machine oil; So, still contain a large amount of machine oil in the gas of outflow air outlet, influenced the effect of Oil-gas Separation.
Therefore, be necessary to provide a kind of improved crankcase bleeder to overcome the problems referred to above.
The model utility content
The purpose of the utility model provides a kind of can not only effectively the mixed oil and gas in the crankcase separation, and the crankcase bleeder of flexible arrangement.
To achieve these goals; The utility model provides a kind of crankcase bleeder to comprise the cavity that is surrounded by base plate, front side plate, back side panel, left sideboard and right sideboard and has been located at the many groups dividing plate in the cavity; Many group dividing plates are divided into a plurality of diffusion velocity-reducing chambers with cavity; Every group of dividing plate comprises dividing plate and the crash panel that sets gradually along the longitudinal direction of cavity; Be respectively equipped with suction port and air outlet on left sideboard and the front side plate, the bottom of dividing plate is fixedly connected with base plate and dividing plate is provided with through hole, has the gas gap between the rear end of crash panel and the back side panel; The front-end and back-end of dividing plate are fixedly connected with back side panel with front side plate respectively, and the base plate in each diffusion velocity-reducing chamber is provided with spill port.
Preferably, the front end of crash panel is fixedly connected with base plate with front side plate respectively with the bottom.Like this; Oil gas between entering dividing plate and the crash panel only can be crossed the gas gap from one and flow into next diffusion velocity-reducing chamber, thereby, before getting into next diffusion velocity-reducing chamber; Crash panel can further stop the oil gas that gets between dividing plate and the crash panel, and oil gas is further separated.
Preferably, the ingress of spill port is provided with chamfering.The chamfering of spill port ingress plays leading role to the oil that separates.
Compared with prior art, on the one hand, because front end, rear end and the bottom of the crankcase bleeder central diaphragm of the utility model are fixedly connected with front side plate, back side panel and base plate respectively; Thereby; After oil gas gets into first order diffusion velocity-reducing chamber from suction port, impinge upon on the dividing plate, can impel oil gas fully to separate, thereby; Make the oil content that gets into the gas in the gap between dividing plate and the crash panel significantly reduce; And then, make that the oil content in the gas that flows out the air outlet significantly reduces, effectively the mixed oil and gas in the crankcase is separated.On the other hand,, and do not rely on valve mechanism cover because the crankcase bleeder of the utility model surrounds by external base plate, front side plate, back side panel and right sideboard, thereby, the flexible arrangement of the crankcase bleeder of the utility model.
Through following description and combine accompanying drawing, it is more clear that the utility model will become, and these accompanying drawings are used to explain the embodiment of the utility model.
Description of drawings
Fig. 1 is the stereogram of the crankcase bleeder of the utility model.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is installed in the schematic representation on the valve mechanism cover of crankcase for the crankcase bleeder of the utility model.
Embodiment
With reference now to accompanying drawing, describe the embodiment of the utility model, the similar elements label is represented similar elements in the accompanying drawing.
Shown in Fig. 1-3; The present embodiment crankcase bleeder comprises the cavity that is surrounded by base plate 10, front side plate 11, back side panel 12, left sideboard 13 and right sideboard 14 and is located at the many groups dividing plate 20 in the cavity, organizes dividing plate 20 more cavity is divided into a plurality of diffusion velocity-reducing chambers 30.Wherein, every group of dividing plate 20 comprises the dividing plate 21 and crash panel 22 that sets gradually along the longitudinal direction of cavity.
During ventilation, oil gas quickens the back through the suction port on the left sideboard 13 131 and gets into first diffusion velocity-reducing chamber 30, gets into first diffusion velocity-reducing chamber 30 rear spaces and becomes big, and the speed of oil gas reduces, and oil gas is by initial gross separation.The oil gas of initial gross separation impacts on the dividing plate 21 again, separates once more.The machine oil that separates flows back in the oil sump through spill port 301; Gas after the separation gets into the gap of dividing plate 21 and crash panel 22 through the through hole on the dividing plate 21 211 and between dividing plate 21 and crash panel 22, clashes into repeatedly, and the gas behind the bump gets into second diffusion velocity-reducing chamber 30 through the gas gap 221 of crossing between crash panel 22 and the back side panel 12.Then, flowing to a plurality of diffusion velocity-reducing chambers 30 backs successively flows out through air outlet 132.
More than combine most preferred embodiment that the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to the essence of the utility model.
Claims (3)
1. crankcase bleeder; Comprise the cavity that surrounds by base plate (10), front side plate (11), back side panel (12), left sideboard (13) and right sideboard (14) and be located at a plurality of block pieces (20) in the cavity; A plurality of block pieces (20) are divided into a plurality of diffusion velocity-reducing chambers (30) with cavity; Each block piece (20) comprises dividing plate (21) and the crash panel (22) that sets gradually along the longitudinal direction of cavity; Be respectively equipped with suction port (131) and air outlet (132) on left sideboard (13) and the front side plate (11); The bottom of dividing plate (21) is fixedly connected with base plate (10) and dividing plate (21) is provided with through hole (211), has gas gap (221) between the rear end of crash panel (22) and the back side panel (12), it is characterized in that; The front-end and back-end of dividing plate (21) are fixedly connected with back side panel (12) with front side plate (11) respectively, and the base plate (10) in each diffusion velocity-reducing chamber (30) is provided with spill port (301).
2. crankcase bleeder as claimed in claim 1 is characterized in that, the front end of crash panel (22) is fixedly connected with base plate (10) with front side plate (11) respectively with the bottom.
3. crankcase bleeder as claimed in claim 2 is characterized in that, the ingress of spill port (301) is provided with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205371315U CN202370616U (en) | 2011-12-19 | 2011-12-19 | Crankcase ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205371315U CN202370616U (en) | 2011-12-19 | 2011-12-19 | Crankcase ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202370616U true CN202370616U (en) | 2012-08-08 |
Family
ID=46594322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205371315U Expired - Lifetime CN202370616U (en) | 2011-12-19 | 2011-12-19 | Crankcase ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202370616U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422942A (en) * | 2013-08-29 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Oil-gas separator and motor cylinder protective shield |
| CN104088684A (en) * | 2014-07-02 | 2014-10-08 | 中国北方发动机研究所(天津) | Crankcase ventilation structure suitable for internal combustion engine |
| CN105443195A (en) * | 2014-09-24 | 2016-03-30 | 铃木株式会社 | Oil separator structure for an internal combustion engine |
| CN105443194A (en) * | 2014-09-24 | 2016-03-30 | 铃木株式会社 | Oil separator structure for an internal combustion engine |
-
2011
- 2011-12-19 CN CN2011205371315U patent/CN202370616U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422942A (en) * | 2013-08-29 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Oil-gas separator and motor cylinder protective shield |
| CN104088684A (en) * | 2014-07-02 | 2014-10-08 | 中国北方发动机研究所(天津) | Crankcase ventilation structure suitable for internal combustion engine |
| CN105443195A (en) * | 2014-09-24 | 2016-03-30 | 铃木株式会社 | Oil separator structure for an internal combustion engine |
| CN105443194A (en) * | 2014-09-24 | 2016-03-30 | 铃木株式会社 | Oil separator structure for an internal combustion engine |
| CN105443195B (en) * | 2014-09-24 | 2018-03-16 | 铃木株式会社 | The oil separating structure of internal combustion engine |
| CN105443194B (en) * | 2014-09-24 | 2019-04-05 | 铃木株式会社 | The oil separating structure of internal combustion engine |
| DE102015218201B4 (en) | 2014-09-24 | 2020-06-04 | Suzuki Motor Corporation | GAS OIL SEPARATOR FOR A COMBUSTION ENGINE |
| DE102015218011B4 (en) * | 2014-09-24 | 2021-02-04 | Suzuki Motor Corporation | Gas-oil separator for an internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130913 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130913 Address after: Shiyan City, Hubei province 442001 City Road 2 District zhangjiewan Patentee after: Dongfeng Commercial Vehicle Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic & Technological Development Zone, Hubei, Wuhan, China, No. 10 Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |