CN203009005U - One-way valve applied to oil-gas separating functional oil return port - Google Patents
One-way valve applied to oil-gas separating functional oil return port Download PDFInfo
- Publication number
- CN203009005U CN203009005U CN 201320004964 CN201320004964U CN203009005U CN 203009005 U CN203009005 U CN 203009005U CN 201320004964 CN201320004964 CN 201320004964 CN 201320004964 U CN201320004964 U CN 201320004964U CN 203009005 U CN203009005 U CN 203009005U
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- oil
- way valve
- valve
- return port
- oil return
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- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 25
- 239000003921 oil Substances 0.000 description 14
- 101100226116 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) esa-1 gene Proteins 0.000 description 10
- 239000010721 machine oil Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
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- 229910052799 carbon Inorganic materials 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a one-way valve applied to an oil-gas separating functional oil return port. The one-way valve comprises a valve body and is characterized by further comprising a valve diaphragm which is made of elastic material; a support for fixing the center of the valve diaphragm is arranged in an outlet end of the valve body; at least one opening is formed in the support; and the end surface of the outlet end is pressed by the external edge of the valve diaphragm. Compared with the prior art, the one-way valve applied to the oil-gas separating functional oil return port, provided by the utility model, has the beneficial effects that the one-way valve which can be arranged on the oil return port is designed, and only the liquid oil can pass through the oil return port, the oil gas which cannot pass through the oil return port reversely flows into a cover cap, so that the oil return port is sealed in one way, and as a result, the shortcoming of the conventional through hole type oil return port is overcome. The one-way valve with the structure is simple and practical, and can be directly used for restructuring the conventional cover cap, so that the cost is greatly saved.
Description
Technical field
The utility model relates to technical field of engines, relates in particular to a kind of one-way valve for Oil-gas Separation function return opening.
Background technique
The camshaft cover cap is to be positioned to be used for the component of sealing air cylinder lid, valve cage and camshaft on crankcase, and simultaneously, cover cap also has the effect that reduces the noise that produces when valve mechanism runs up.When motor in the running, gas blowby will enter crankcase through the gap of piston and cylinder liner and the gap between valve guide bushing and pressurized machine bearing unavoidablely.These gases also contain the hydrocarbon that burning produces except containing a large amount of machine oil.Therefore, the camshaft cover cap not only has be used to the exhaust passageway of discharging above-mentioned oil-containing gases, and is provided for the gas and oil separating plant of Oil-gas Separation in this exhaust passageway.When engine operation, oil-containing gases is discharged from exhaust passageway, and enters the engine secondary burning by engine aspirating system; And got back in crankcase by return opening by the machine oil that gas and oil separating plant is separated.
in technical field of engines, very many for the research of gas and oil separating plant, the Oil-gas Separation form is varied, and mazy type, bumping type, vortex type etc. are arranged at present, and it is inadequate for the further investigation of return opening structure, the return opening form is a clear opening basically at present, there is following defective in the return opening of this clear opening form: return opening is not closed, oily cognition in crankcase is directly scurried out from this return opening, and be arranged on the rear portion of exhaust passageway due to return opening, therefore this part gas is not processed through Oil-gas Separation and will directly be entered engine aspirating system, cause the gas engine oil carrying quantity that enters engine aspirating system to increase, cause motor the burn oil phenomenon to occur, thereby cause associated components Carbon Deposit Phenomenon to occur, easily cause motor to break down.
Thus, obtain a kind ofly only can supply the unidirectional structure that flows back to crankcase of machine oil in the expectation of return opening place.In other technical field, this structure normally adopts one-way valve to realize, but general one-way valve only can be used for the fluid of same type, and for example the one-way valve two ends are liquid or are gas.Therefore a return opening side is that the gas opposite side is liquid, present one-way valve and be not suitable for return opening place in technical field of engines.
The model utility content
The utility model embodiment's purpose is for the structural shortcoming of prior art, proposes a kind of one-way valve for Oil-gas Separation function return opening, has solved oil gas and has entered the problem of cover cap inner cavity by return opening.
In order to reach above-mentioned model utility purpose, a kind of one-way valve for Oil-gas Separation function return opening that the utility model embodiment proposes is achieved through the following technical solutions:
A kind of one-way valve for Oil-gas Separation function return opening, comprise valve body, it is characterized in that: also comprise a valve film of being made by elastic material, be provided with a support of fixing the center of this valve film in the outlet end of described valve body, has at least one opening on described support, the end face of the described outlet end of outer rim compressing of described valve film.
Described valve film roughly is umbrella shape, by umbrella titled with and the umbrella handle that is fixed on this umbrella hat concave surface center consist of, the center of described support is provided with perforate, described umbrella handle fixedly is inserted in described perforate, the outer rim of described umbrella hat is oppressed the end face of described outlet end.
The quantity of described support upper shed is a plurality of, and those openings are around described carriage center Rotational Symmetry.
Compared with prior art, the beneficial effects of the utility model are: by designing a kind of one-way valve that is arranged on return opening, make return opening that liquid oil is passed through, and oil gas can not oppositely enter in cover cap by return opening, make thus return opening by unidirectional sealing, solved the deficiency of the return opening of existing clear opening form.The one-way valve of this structure is not only simple and practical, but also can be directly used in the transformation of existing cover cap, has greatly saved cost.
Description of drawings
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and easily understand.
Fig. 1 is the utility model embodiment one-way valve sectional view;
Fig. 2 is the utility model embodiment one-way valve supporting structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, so that technician's of the same trade understanding:
As shown in Fig. 1-2, label represents respectively:
Shown in Fig. 1-2, a kind of one-way valve for Oil-gas Separation function return opening is provided in the present embodiment 1, comprise that inside is formed with the valve body 1 of cylindrical cavity 2, cylindrical cavity 2 two ends are respectively outlet end and entry end.In addition, also comprise a valve film of being made by elastic material, this valve film is used for this cylindrical cavity 2 of unidirectional blocking, consists of thus an one-way valve.
For fixing this valve film, be provided with a support 6 in the outlet end of valve body 1.Described support 6 is fixed on the inwall of valve body 1, and the center offers for the perforate 8 that valve film is installed.In addition, go back around opening 8 on support 6 and be provided with three openings 3, these three openings 3 are used for making support 6 both sides connections, for oil return around described perforate 8 Rotational Symmetries.
And described valve film roughly is umbrella shape, is made of umbrella hat 4 and the umbrella handle 7 that is fixed on this umbrella hat 4 concave surface centers.The end of umbrella handle 7 is provided with mushroom head, and when umbrella handle 7 fixedly being inserted in the perforate 8 at support 6 centers, this valve film namely is fixed on support 6.By the length of control umbrella handle 7 and the position of this support 6, can make the outlet end end face 5 of the outer rim compressing valve body 1 of umbrella hat 4, and umbrella hat 4 is in elastically-deformable state, and umbrella hat 4 consists of the annular seal structure with outlet end end face 5 thus, and the outlet end of valve body 1 is closed.
By such structure, after machine oil flows into cylindrical cavity 2 by return opening, drop on umbrella hat 4 by the opening 3 on support 6, when the machine oil weight of cylindrical cavity 2 interior accumulative totals is enough to overcome when being in the elastic force that elastically-deformable umbrella hat 4 provides, 4 distortion of compressing umbrella hat make it and outlet end end face 5 between no longer fit, can be considered one-way valve this moment and open, machine oil flows in crankcase, and owing to having machine oil between the umbrella hat 4 of this moment and outlet end end face 5, the oil gas in crankcase can't pass through one-way valve.And after cylindrical cavity 2 inner engine oils were released certain amount, the suffered gravity of residue machine oil was less than umbrella hat 4 elastic force that provide, and 4 resiliences of umbrella hat can be considered closed check valve, and the interior oil gas of crankcase this moment also can't pass through one-way valve.
Compared with prior art, the beneficial effects of the utility model are: by designing a kind of one-way valve that is arranged on return opening, make return opening that liquid oil is passed through, and oil gas can not oppositely enter in cover cap by return opening, make thus return opening by unidirectional sealing, solved the deficiency of existing passing hole type return opening.The one-way valve of this structure is not only simple and practical, but also can be directly used in the transformation of existing cover cap, has greatly saved cost.
Abovely be elaborated for invention intention of the present utility model and mode of execution by embodiment; but the utility model one of ordinary skill in the art be appreciated that; the above embodiment of the utility model is only one of preferred embodiment of the present utility model; be the length restriction; here can not all mode of executions of particularize; any enforcement that can embody the utility model claim technological scheme is all in protection domain of the present utility model.
It should be noted that; above content is in conjunction with concrete mode of execution further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; under the guidance of above-described embodiment; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection domain of the present utility model.
Claims (3)
1. one-way valve that is used for Oil-gas Separation function return opening, comprise valve body, it is characterized in that: also comprise a valve film of being made by elastic material, be provided with a support of fixing the center of this valve film in the outlet end of described valve body, has at least one opening on described support, the end face of the described outlet end of outer rim compressing of described valve film.
2. a kind of one-way valve for Oil-gas Separation function return opening according to claim 1, it is characterized in that: described valve film roughly is umbrella shape, by umbrella titled with and the umbrella handle that is fixed on this umbrella hat concave surface center consist of, the center of described support is provided with perforate, described umbrella handle fixedly is inserted in described perforate, the end face of the described outlet end of outer rim compressing of described umbrella hat.
3. a kind of one-way valve for Oil-gas Separation function return opening according to claim 2, it is characterized in that: the quantity of described support upper shed is a plurality of, and those openings are around described carriage center Rotational Symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320004964 CN203009005U (en) | 2013-01-06 | 2013-01-06 | One-way valve applied to oil-gas separating functional oil return port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320004964 CN203009005U (en) | 2013-01-06 | 2013-01-06 | One-way valve applied to oil-gas separating functional oil return port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009005U true CN203009005U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320004964 Expired - Lifetime CN203009005U (en) | 2013-01-06 | 2013-01-06 | One-way valve applied to oil-gas separating functional oil return port |
Country Status (1)
| Country | Link |
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| CN (1) | CN203009005U (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218163A (en) * | 2017-07-25 | 2017-09-29 | 江苏奥力威传感高科股份有限公司 | A kind of gs-oil separator |
| CN107420155A (en) * | 2017-07-21 | 2017-12-01 | 浙江吉利控股集团有限公司 | A kind of gs-oil separator oil-returning structure |
| CN107816375A (en) * | 2017-11-02 | 2018-03-20 | 宁海县雄达模塑有限公司 | Engine side air inlet gs-oil separator |
| CN108952888A (en) * | 2018-09-06 | 2018-12-07 | 广西玉柴机器股份有限公司 | The oil-returning structure of oil and gas separating system built in diesel engine |
| CN109057915A (en) * | 2018-09-14 | 2018-12-21 | 广西玉柴机器股份有限公司 | A kind of tree-shaped plate gas drive formula oil-gas separating device of engine |
| CN109139187A (en) * | 2018-09-14 | 2019-01-04 | 广西玉柴机器股份有限公司 | A kind of partition oil drive formula oil-gas separating device of engine |
| CN109139186A (en) * | 2018-09-14 | 2019-01-04 | 广西玉柴机器股份有限公司 | A kind of strainer oil drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109184855A (en) * | 2018-09-14 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of partition oil drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109184854A (en) * | 2018-09-14 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of partition gas drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109209561A (en) * | 2018-09-14 | 2019-01-15 | 广西玉柴机器股份有限公司 | A kind of strainer oil drive formula oil-gas separating device of engine |
| CN109209560A (en) * | 2018-09-14 | 2019-01-15 | 广西玉柴机器股份有限公司 | A kind of strainer gas drive formula oil-gas separating device of engine |
| CN109209559A (en) * | 2018-09-14 | 2019-01-15 | 广西玉柴机器股份有限公司 | A kind of filter net type oil-gas separating device of engine |
| CN109236411A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of tree-shaped board-like oil-gas separating device of engine |
| CN109236414A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of tree-shaped leaf fat drive formula oil-gas separating device of engine |
| CN109236413A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of tree-shaped leaf fat drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109236418A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of iris type oil-gas separating device of engine |
| CN109236415A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of tree-shaped board-like voltage adaptive controlling oil-gas separating device of engine |
| CN109505679A (en) * | 2018-12-17 | 2019-03-22 | 广西玉柴机器股份有限公司 | A kind of natural gas engine with the adaptive ventilating system of iris type |
| CN109555574A (en) * | 2018-12-17 | 2019-04-02 | 广西玉柴机器股份有限公司 | A kind of natural gas engine with the adaptive ventilating system of filter net type |
| CN109595055A (en) * | 2018-12-17 | 2019-04-09 | 广西玉柴机器股份有限公司 | A kind of natural gas engine with tree-shaped board-like adaptive ventilating system |
-
2013
- 2013-01-06 CN CN 201320004964 patent/CN203009005U/en not_active Expired - Lifetime
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420155A (en) * | 2017-07-21 | 2017-12-01 | 浙江吉利控股集团有限公司 | A kind of gs-oil separator oil-returning structure |
| CN107420155B (en) * | 2017-07-21 | 2019-11-22 | 浙江吉利控股集团有限公司 | Oil return structure of an oil-gas separator |
| CN107218163A (en) * | 2017-07-25 | 2017-09-29 | 江苏奥力威传感高科股份有限公司 | A kind of gs-oil separator |
| CN107218163B (en) * | 2017-07-25 | 2023-05-02 | 江苏奥力威传感高科股份有限公司 | an oil-gas separator |
| CN107816375A (en) * | 2017-11-02 | 2018-03-20 | 宁海县雄达模塑有限公司 | Engine side air inlet gs-oil separator |
| CN107816375B (en) * | 2017-11-02 | 2023-09-22 | 宁海县雄达模塑有限公司 | Side air intake oil and gas separator for engine |
| CN108952888A (en) * | 2018-09-06 | 2018-12-07 | 广西玉柴机器股份有限公司 | The oil-returning structure of oil and gas separating system built in diesel engine |
| CN109209560A (en) * | 2018-09-14 | 2019-01-15 | 广西玉柴机器股份有限公司 | A kind of strainer gas drive formula oil-gas separating device of engine |
| CN109236413A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of tree-shaped leaf fat drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109209561A (en) * | 2018-09-14 | 2019-01-15 | 广西玉柴机器股份有限公司 | A kind of strainer oil drive formula oil-gas separating device of engine |
| CN109184855A (en) * | 2018-09-14 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of partition oil drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109209559A (en) * | 2018-09-14 | 2019-01-15 | 广西玉柴机器股份有限公司 | A kind of filter net type oil-gas separating device of engine |
| CN109236411A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of tree-shaped board-like oil-gas separating device of engine |
| CN109236414A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of tree-shaped leaf fat drive formula oil-gas separating device of engine |
| CN109184854A (en) * | 2018-09-14 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of partition gas drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109236418A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of iris type oil-gas separating device of engine |
| CN109236415A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of tree-shaped board-like voltage adaptive controlling oil-gas separating device of engine |
| CN109057915A (en) * | 2018-09-14 | 2018-12-21 | 广西玉柴机器股份有限公司 | A kind of tree-shaped plate gas drive formula oil-gas separating device of engine |
| CN109139187A (en) * | 2018-09-14 | 2019-01-04 | 广西玉柴机器股份有限公司 | A kind of partition oil drive formula oil-gas separating device of engine |
| CN109139186A (en) * | 2018-09-14 | 2019-01-04 | 广西玉柴机器股份有限公司 | A kind of strainer oil drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109595055A (en) * | 2018-12-17 | 2019-04-09 | 广西玉柴机器股份有限公司 | A kind of natural gas engine with tree-shaped board-like adaptive ventilating system |
| CN109555574A (en) * | 2018-12-17 | 2019-04-02 | 广西玉柴机器股份有限公司 | A kind of natural gas engine with the adaptive ventilating system of filter net type |
| CN109505679A (en) * | 2018-12-17 | 2019-03-22 | 广西玉柴机器股份有限公司 | A kind of natural gas engine with the adaptive ventilating system of iris type |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |