CN201843662U - Respirator oil-return device with non-return function - Google Patents
Respirator oil-return device with non-return function Download PDFInfo
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- CN201843662U CN201843662U CN2010205953932U CN201020595393U CN201843662U CN 201843662 U CN201843662 U CN 201843662U CN 2010205953932 U CN2010205953932 U CN 2010205953932U CN 201020595393 U CN201020595393 U CN 201020595393U CN 201843662 U CN201843662 U CN 201843662U
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- oil
- return
- oil return
- bent pipe
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Abstract
The utility model discloses a respirator oil-return device with a non-return function. The technical scheme with an oil-return non-return function is that the lower end of an oil collection groove is provided with a section of U-shaped oil-return bent pipe. The height t between the upper end face of an oil outlet of the oil-return bent pipe and the upper plane of a base plate is 8-30mm. The oil collection height h from the upper end face of the oil outlet of the oil-return bent pipe to the bottom of the oil-return bent pipe is 8-30mm. The gyroradius R of the oil-return bent pipe is 10-15mm. Because of the function of the oil collection height h, the resistance of secondary oil return is greatly larger than an air inlet pipe, so that inlet airflow can not enter an oil-return pipe, thus the non-return function is realized, and the inlet airflow is prevented from returning oil-return oil drops. Due to the adoption of the method that oil is returned by the bent pipe by the utility model, the phenomenon of secondary pollution caused by the impact of the inlet airflow on the oil-return oil drops is effectively avoided, and the separation effect of the respirator is fully ensured. The device has the advantages that the technical structure is simple, the work is reliable and the effect is very obvious.
Description
Technical field
The utility model belongs to engine component, is specifically related to a kind of device that can effectively prevent the oil return of motor resuscitation apparatus secondary.
Background technique
Resuscitation apparatus is the requisite important spare part of motor; its function is that engine crankcase is communicated with atmosphere; the crankcase internal air pressure is equated with atmospheric pressure; oil sealing with each position of protection motor; prevent leakage of oil, avoid the machine oil steam in the crankcase to enter atmosphere simultaneously again, cause the increase and the environmental pollution of oil consumption with the resuscitation apparatus passage; therefore the effect of resuscitation apparatus is to guarantee that crankcase communicates with atmosphere, prevents that again machine oil runs off.How resuscitation apparatus with after gas in the crankcase fully separates, is guaranteed machine oil steam and is made the machine oil that separates be back to oil sump smoothly, be the key of respirator design.At present the oil return of resuscitation apparatus and the shared passage of air inlet of resuscitation apparatus when oil return accumulates than larger oil droplet, are impacted by charge air flow easily, cause that secondary returns, the secondary pollution respirator interior, have reduced the effect of Oil-gas Separation thus.
The utility model proposes a kind of device that can effectively prevent the breather oil return, the device separating effect fully ensures respiration.
Summary of the invention
The purpose of this utility model is, the resuscitation apparatus oil return apparatus of different passages, band check function is adopted in the oil return that a kind of resuscitation apparatus is provided and the air inlet of resuscitation apparatus.
Below in conjunction with accompanying drawing know-why structure of the present utility model is described.The resuscitation apparatus oil return apparatus of band check function is formed (Fig. 1) by resuscitation apparatus base plate, oil trap, suction tude and oil return bend pipe.The principle of check function is to be provided with one section U-shaped oil return to bend in the lower end of oil trap, always accumulates a certain amount of machine oil in the oil return bend pipe, causes one section " oil sealing ", and the height h of oil sealing is directly proportional with gas shock power.The air inlet of the oil return of resuscitation apparatus and resuscitation apparatus still is a passage in form, but owing to be provided with the oil return bend pipe, causing the machine oil oil return that separates is different passages with the air inlet of resuscitation apparatus.
Characteristics of the present utility model and beneficial effect are, the mode of bend pipe oil return is adopted in the resuscitation apparatus oil return, make drainback passage have the check function, can only folk prescription to oil return, can not return air inlet along the drainback passage secondary, effectively avoided inlet stream that the oil return oil droplet is impacted, causes the phenomenon of secondary pollution, fully ensure respiration the device separating effect.Simple in structure, the reliable operation of this device technique, the effect highly significant.
Description of drawings
Fig. 1 is the utility model device perspective view.
Fig. 2 is the section principle and the structural representation of the utility model device.
Embodiment
Below in conjunction with accompanying drawing and by embodiment structural principle of the present utility model is described further.The resuscitation apparatus oil return apparatus of band check function comprises: resuscitation apparatus base plate 1, oil trap 2 and intake duct 3(Fig. 1).Technological scheme with oil return check function is to be provided with one section U-shaped oil return bend pipe 4 in the lower end of oil trap 2.The height t on the last plane of oil return bend pipe oil outlet upper-end surface and resuscitation apparatus base plate 1 is 8 ~ 30mm.Oil return bend pipe 2 oil outlet upper-end surfaces are 8 ~ 30mm apart from the oil-collecting height h of oil return bend pipe bottom.Oil return bend pipe turning radius R is 10 ~ 15mm(Fig. 2).Machine oil after black arrow is represented to separate among the figure flows to.
The oil trap that present embodiment designs on the resuscitation apparatus base plate is circle, diameter 24 mm, the degree of depth 17 mm; Oil trap bottom welding oil return bend pipe, the oil trap upper-end surface is concordant with the resuscitation apparatus base plate, is beneficial to machine oil and refluxes, the external diameter of oil return bend pipe is 6 mm, wall thickness 1 mm, the machine oil liquid level height h=12 mm that accumulates in the pipe, the oil outlet of oil return bend pipe is apart from last plane drop height t=27 mm of base plate.Last plane 22 mm of the outstanding resuscitation apparatus base plate in the last plane of suction tude, the machine oil of anti-backflow enters suction tude.After the machine oil that separates from air breather assembly is back on the resuscitation apparatus base plate, be pooled to oil trap and continue to flow into the oil return bend pipe, under the effect of gravity and drop, the outlet of machine oil from the oil return bend pipe extruded, realize the oil return function.Because the effect of oil-collecting height h, the resistance of secondary backspace oil so charge air flow can not enter return tube, is realized the check function much larger than suction tude thus, prevents from that the inlet stream secondary from returning to blow the oil return oil droplet.
Claims (1)
1. be with the resuscitation apparatus oil return apparatus of check function, comprise resuscitation apparatus base plate (1), oil trap (2) and intake duct (3), it is characterized in that being provided with one section U-shaped oil return bend pipe (4) in the lower end of oil trap (2), the height t on the last plane of oil return bend pipe oil outlet upper-end surface and resuscitation apparatus base plate (1) is 8 ~ 30mm, oil return bend pipe (2) oil outlet upper-end surface is 8 ~ 30mm apart from the oil-collecting height h of oil return bend pipe bottom, and oil return bend pipe turning radius R is 10 ~ 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205953932U CN201843662U (en) | 2010-11-08 | 2010-11-08 | Respirator oil-return device with non-return function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205953932U CN201843662U (en) | 2010-11-08 | 2010-11-08 | Respirator oil-return device with non-return function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201843662U true CN201843662U (en) | 2011-05-25 |
Family
ID=44038554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205953932U Expired - Lifetime CN201843662U (en) | 2010-11-08 | 2010-11-08 | Respirator oil-return device with non-return function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201843662U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165077A (en) * | 2014-07-21 | 2014-11-26 | 中国船舶重工集团公司第七一一研究所 | Grease backflow device of annular isolation-type respirator |
| CN105298588A (en) * | 2015-12-04 | 2016-02-03 | 广西玉柴机器股份有限公司 | Oil return device of engine breather |
| CN110529218A (en) * | 2019-09-10 | 2019-12-03 | 中船黄埔文冲船舶有限公司 | A kind of ventilative gas and oil separating plant of crankcase |
| CN116291800A (en) * | 2023-03-21 | 2023-06-23 | 重庆长安汽车股份有限公司 | Engine crankcase ventilation system, engine oil water content adjusting method and vehicle |
-
2010
- 2010-11-08 CN CN2010205953932U patent/CN201843662U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165077A (en) * | 2014-07-21 | 2014-11-26 | 中国船舶重工集团公司第七一一研究所 | Grease backflow device of annular isolation-type respirator |
| CN105298588A (en) * | 2015-12-04 | 2016-02-03 | 广西玉柴机器股份有限公司 | Oil return device of engine breather |
| CN110529218A (en) * | 2019-09-10 | 2019-12-03 | 中船黄埔文冲船舶有限公司 | A kind of ventilative gas and oil separating plant of crankcase |
| CN116291800A (en) * | 2023-03-21 | 2023-06-23 | 重庆长安汽车股份有限公司 | Engine crankcase ventilation system, engine oil water content adjusting method and vehicle |
| CN116291800B (en) * | 2023-03-21 | 2024-05-03 | 重庆长安汽车股份有限公司 | Engine crankcase ventilation system, engine oil water content adjusting method and vehicle |
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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 CHAOYANG DIESEL CO., LTD. Free format text: FORMER OWNER: DONGFENG CHAOYANG DIESEL ENGINE CO., LTD. Effective date: 20120423 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120423 Address after: 122000 the Yellow River Road, Liaoning, No. 3, No. 51, No. Patentee after: Dongfeng Chaoyang Chaochai Power Co., Ltd. Address before: 122000 the Yellow River Road, Liaoning, No. 3, No. 51, No. Patentee before: Dongfeng Chaoyang Diesel Engine Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Respirator oil-return device with non-return function Effective date of registration: 20190612 Granted publication date: 20110525 Pledgee: Lingyuan steel enterprise limited liability company Pledgor: Dongfeng Chaoyang Chaochai Power Co., Ltd. Registration number: 2019210000021 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |