CN103591339A - Check vavle - Google Patents
Check vavle Download PDFInfo
- Publication number
- CN103591339A CN103591339A CN201210291467.7A CN201210291467A CN103591339A CN 103591339 A CN103591339 A CN 103591339A CN 201210291467 A CN201210291467 A CN 201210291467A CN 103591339 A CN103591339 A CN 103591339A
- Authority
- CN
- China
- Prior art keywords
- safety check
- valve element
- opening
- holding member
- housing
- 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.)
- Granted
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Classifications
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- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/031—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member the hinge being flexible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
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- 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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0488—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase
- F01M2013/0494—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase using check valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention relates to a check valve which is particularly suitable for being arranged in an oil backflow channel. The oil backflow channel is arranged between a crankcase and an oil chamber of an oil pan, and the check valve is provided with a casing (10). The inside of the casing (10) is provided with a plate-shaped stamped valve element (12). The valve element (12) is fixed via a holding element (14) connected with the casing particularly through locking element pairs (28, 30). The plastic casing is surrounded by a metal sleeve (16) preferably, and the metal sleeve can be pressed into the opening of the crankcase in an interference mode.
Description
Technical field
The present invention relates to a kind of safety check in Motor Vehicle that is particularly suitable for using.Described safety check is preferably configured to for being arranged on return flow line, and the oil conservator as oil sump is led to from motor component in described return flow line.
Background technique
In order to discharge oil or the mist of oil being present in crankcase, by means of oil separator, in crankcase, carry out oil separation.Separated oil is drawn and got back in oil conservator, especially draw and get back in oil sump.At this, must avoid extracting out secondary air.Be known that for this reason and be provided with safety check.Conventionally, safety check is directly integrated in oil separator or is integrated in cowl hood.This has following shortcoming: for opening safety check, essential oil column has extremely low height, makes it possible to cause problem in oil refluxes.This causes oil to gather more in oil separator, strongly damages thus the function of oil separator.For fear of extracting secondary air out, it is also known that, so design oily backflow, it is guided under oil level.This return flow line as syphon tube with oil sump acting in conjunction.At this, there is following problems: as long as for example there is very few oil in oil sump due to transverse acceleration, so just via oil drain out, extract secondary air out.
Summary of the invention
The object of the invention is, a kind of safety check is provided, described safety check is particularly suitable for being arranged in the return flow line between crankcase and oil cup, and described safety check has simple structure and can manufacture at low cost.Preferably, safety check is suitable for being arranged in the al member of Motor Vehicle motor, for example crankcase, camshaft case, cylinder head or crankcase pit top section parts.
According to the present invention, by a kind of safety check, realize the solution of this object, described safety check for from motor component, lead to the return flow line of oil conservator and there is the housing that is made of plastics, the valve element of the plate shape that is arranged on described housing and described valve element is fixed on to the holding member described housing.
Safety check according to the present invention has the housing being made of plastics.At this, relate in particular to for example by PA(polyamide) or fiber-reinforced plastic, plastic injection piece that particularly fibre strengthening PA makes.In plastic casing, be provided with the valve element of plate shape.Valve element is preferably the valve element that gone out by sheet stamping.By means of the holding member being made of plastics equally in preferred form of implementation, realize valve element is fixed in plastic casing.Preferably, holding member is configured to, and makes described holding member plane earth rest on valve element place, especially rests on the fringe region place of valve element.Thus, in the valve element especially forming to plate shape, realize accurate, around marginal layer.At this, holding member is equally preferably made for plastic injection piece and preferably by above-mentioned material, is made.Therefore, extremely simple according to the structure of safety check of the present invention.Thus, safety check can manufacture and only need low assembling to expend at low cost.
In especially preferred form of implementation, plastic casing by metal sleeve around or be arranged in metal sleeve.Feasible thus, safety check according to the present invention is pressed in the opening of motor component together with metal sleeve.At this, relate in particular to the opening being arranged in motor al member, especially the opening in crankcase, camshaft case, cylinder head or crankcase pit top section parts.In addition feasible, metal sleeve is provided with outside thread, and safety check can be screwed in the opening at motor place together with metal sleeve.Described opening can also be arranged on the corresponding member place of motor.
Especially, plastic casing preferably can be engaged and is connected by locking undercutting and metal sleeve shape.By be provided with surround plastic casing metal sleeve and feasible, safety check is directly arranged in crankcase.Especially, safety check can be pressed in the opening being provided with in crankcase.For this reason, be preferably provided with interference fit.By the metal sleeve of safety check or safety check is pressed into, in the opening of crankcase, realizes simple assembling and connection fixing and sealing is side by side provided due to interference.At this, be provided with the remarkable advantage that metal sleeve has and be: even if also keep guaranteeing the cooperation fixed in crankcase under the temperature and pressure occurring.On the other hand, there is plastic casing and the structure according to the present invention of the safety check of the holding member that is especially made of plastics has following advantage: it is possible manufacturing cheaply.Therefore, sleeve is preferably simple rotating component or is even simple pull and stretch sleeve if desired.This is set directly at valve element, and in metal shell, to compare be obviously that cost is lower, because metal shell must expend, is configured with a plurality of platforms and holding member, to guarantee, valve element is fixed in metal sleeve reliably.According to the present invention, within valve element is remained on to plastic casing.This can manufacture significantly at low cost because in being configured to the parts of plastic injection piece, can manufacture at low cost in requisition for bump, projection etc.
Preferably be configured to the stamped sheet metal especially made by elastic plate for member cheaply.At this, valve element preferably flatly forms and has a stamping part.By stamping part, form valve disc.Yet stamping part does not fully surround valve disc, make especially between valve disc and the valve yoke of encirclement valve disc, to retain connecting sheet or connecting element.Described connecting sheet or connecting element are according to flexible hinge part
type constitution be articulated elements, valve disc around described hinge to open.Preferably, stamping part spirally forms.Especially, be provided with two stamping part, wherein said stamping part is the spiral stamping part being engaged with each other.
Therefore, according to the present invention, valve element is being stamped to form by sheet member in preferred form of implementation, and wherein plate preferably has 0.15mm-0.06mm, the thickness of 0.08mm especially.Especially preferred at this, valve element forms circularly and preferably has the 25mm of being less than, and is especially less than the diameter of 20mm.Especially preferred, valve element has the diameter of 14mm-21mm.
For valve element is fixed in housing simply, housing preferably has surface of contact.For this reason, housing preferably has the opening forming cylindrically, and valve is inserted in described opening.In order to form surface of contact, the cross section of opening stepwise dwindles.Therefore, in columniform opening, realize dwindling of diameter.Thus, form the platform that forms surface of contact, valve element is placed in described surface of contact.At this, reservation, be preferably similarly columniform opening and be preferably slightly less than the area of valve disc, make valve disc be placed in hermetically the internal edge place of surface of contact.Outside ring or the framework of valve element, the especially preferred perforation of valve element are arranged between holding member and surface of contact, and therefore by holding member, press to surface of contact.Thus, in simple mode, valve element is clamped and remained in plastic casing.
Further preferably, holding member is connected with plastic casing by locking.For this reason, holding member and housing preferably have a plurality of locking members pair.For example, holding member can have locking hook, and described locking hook is locked in the opening at the place, inner side that is arranged on plastic casing.Preferably, locking hook is distributed in especially substantially the ring week place of the holding member forming circlewise regularly, or be provided with around locking recess.
The holding member that preferably especially ring ground forms preferably has the opening that is concentric with valve disc.
In especially preferred improved form of the present invention, surface of contact is configured to, described surface of contact is had be especially configured to annular, towards the unlimited groove of the direction of valve element.Due to this, be especially configured to annular groove, in the situation that valve is opened, the stream that goes out of oil is improved, because oil needn't flow through relatively wide, long and narrow gap, but directly arrives to groove.
Accompanying drawing explanation
Below, according to preferred form of implementation, by reference to accompanying drawing, illustrate in detail the present invention.
It illustrates:
Fig. 1 illustrates the three-dimensional exploded view of the first form of implementation of the present invention.
Fig. 2 illustrates the constructed profile map in assembling condition according to the first form of implementation of the present invention.
Fig. 3 illustrates the plan view of valve element.
Fig. 4 illustrates the signal sectional axonometric drawing of another form of implementation of the present invention.
Fig. 5 illustrates the sectional drawing that the signal in region of the valve element of form of implementation shown in Figure 4 is amplified.
Fig. 6 illustrates according to the constructed profile map of another form of implementation of safety check of the present invention.
Embodiment
In the first preferred form of implementation (Fig. 1 and 2), safety check has plastic casing 10, is provided with valve element 12 and fixing by means of holding member 14 in described housing.In described preferred form of implementation, housing 10 by metal sleeve 16 around.Metal sleeve 16 especially can be inserted in the opening in crankcase to interference.Sleeve 16 has portion's section 18, to sleeve 16 is pressed in opening to interference simply.
In the first installation step, valve element 12 is inserted into basic for fixing columniform housing and by means of fixed element 14 in Fig. 1 from bottom.
In order to ensure fixing reliably of valve element 12, housing 10 has columniform opening 20 in the illustrated embodiment, through described opening, introduces valve element 12.In addition, housing 10 has platform and reduced to the contraction flow region in columniform region 22.Thus, form surface of contact 24.Valve element 12 lies on described surface of contact 24.
Then, by being essentially annular holding member 14, carry out the fixing of valve element 12.In the illustrated embodiment, four locking hooks 28 are connected with the element 26 of ring.Locking hook 28 presses to the upside of valve element 12, makes valve element 12 be clamped between holding member and surface of contact 24, is clamped between the locking hook 28 and surface of contact 24 of holding member.Locking hook 28 is locked in four openings 30 that are arranged in housing 10.
The assembling of the valve element of therefore being made by metal sheet is extremely simple, because only valve element must be inserted in the opening 20 of housing 10 and then be pressed in holding member 14, until locking hook 28 is locked in opening 30.
In next step, in the illustrated embodiment, plastic casing 10 can be pressed in sleeve.In order to ensure housing is fixed in sleeve 18 reliably, housing 10 has the annular protrusion 32 of outside sensing in the illustrated embodiment.By bump, under the state of assembling, protrude from the upside in Fig. 1 of sleeve 16 and bump 32 and sleeve 18 are locked.At this, bump 32 is thinner than the wall of sleeve 16, and bump 32 by sleeve assembling or in being pressed into the opening of crankcase etc. time is not hindered.
In another preferred form of implementation (Figure 4 and 5), safety check does not have the metal sleeve of direct encirclement housing 10.On the contrary, housing 10 and plastic tube 44(Fig. 4) be connected single type.Metal sleeve 46 is spurted in the end of plastic tube 44, and it is possible wherein by metal sleeve 46, again interference safety check being connected with crankcase if desired.As an alternative, sleeve has outside thread, by described outside thread, pipe can be screwed in the opening of motor component.In the situation that outside thread is arranged on sleeve 46, described sleeve preferably has blocked part 49.In addition likely, replace being provided with metal sleeve 46 and plastic tube is directly ejected into the plastic member place as cowl hood.Place, the other end at plastic tube 44 arranges housing 10, wherein again valve element 12 is arranged in housing 10.Valve element 12 is arranged on again on surface of contact 24 and by holding member 14 and keeps, and wherein holding member 14 is fixed in housing 10 by ring-shaped clip 47 in the illustrated embodiment.As according to describing in the first form of implementation, can be fixed by locking member equally.
In the form of implementation shown in Figure 4 and 5, especially there is following advantage: the diameter of metal sleeve can be chosen as to the diameter of the housing 10 that is less than biased valve element 12.
In another preferred form of implementation (Fig. 6), safety check does not have the metal sleeve that surrounds plastic casing 10.On the contrary, plastic casing 10 is directly inserted in the opening 50 of motor unit 52.At this, plastic casing 10 is surrounded for sealing by O shape ring 54, and described O shape ring is arranged in the groove 56 of housing.
In addition, the main member of safety check self forms according to above-mentioned form of implementation.Especially, be provided with equally the valve element 12 of punching press, described valve element keeps by holding member 14.According to the form of implementation shown in Figure 4 and 5, holding member 14 have around locking protuberance 47.
Claims (11)
1. safety check, described safety check is for leading to the return flow line of oil conservator and have from motor component:
The housing being made of plastics (10);
Be arranged on the valve element (12) of the plate shape in described housing (10); With
Described valve element (12) is fixed on to the holding member (14) in described housing (10).
2. safety check according to claim 1, is characterized in that, described housing (10) is surrounded by metal sleeve (16,46), and wherein preferably, hull outside hermetically, especially thorough seal is placed in sleeve pipe inner side.
3. safety check according to claim 2, is characterized in that, described metal sleeve (16,46) is pressed in the opening of motor component, is especially pressed in the opening of aluminum motor component.
4. safety check according to claim 2, is characterized in that, described metal sleeve (16,46) is screwed in the opening of motor component, is especially screwed in the opening of aluminum motor component.
5. according to the safety check one of claim 1 to 4 Suo Shu, it is characterized in that, described valve element (12) is configured to the sheet metal of punching press, especially elastic plate.
6. according to the safety check one of claim 1 to 5 Suo Shu, it is characterized in that, described valve element (12) has valve disc (34), and described valve disc is made by the stamping part (37) in described valve element.
7. safety check according to claim 6, is characterized in that, is provided with a plurality of spiral, stamping part (37) of being engaged with each other.
8. according to the safety check one of claim 1 to 7 Suo Shu, it is characterized in that, described housing (10) has for making the surface of contact (24) of described valve element (12) setting, and described surface of contact preferably fully surrounds described valve disc (34).
9. safety check according to claim 8, is characterized in that, described holding member (14) presses to described junction surface (24) by described valve element (12).
10. according to the safety check one of claim 1 to 9 Suo Shu, it is characterized in that, described holding member (14) and described housing (10) have locking member (28,30), for described holding member (14) is fixed in described housing (10).
11. according to the safety check one of claim 1 to 10 Suo Shu, it is characterized in that, described holding member (14) is configured to annular, is especially configured to ring, and preferably has the opening (42) that is concentric with described valve disc (34) setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291467.7A CN103591339B (en) | 2012-08-15 | 2012-08-15 | Check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291467.7A CN103591339B (en) | 2012-08-15 | 2012-08-15 | Check-valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103591339A true CN103591339A (en) | 2014-02-19 |
| CN103591339B CN103591339B (en) | 2018-11-16 |
Family
ID=50081584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210291467.7A Active CN103591339B (en) | 2012-08-15 | 2012-08-15 | Check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103591339B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781676A (en) * | 2015-01-09 | 2016-07-20 | 曼·胡默尔有限公司 | Leakage gas pressure regulating valve used for internal combustion engine |
| CN106795789A (en) * | 2014-10-07 | 2017-05-31 | 布鲁斯密封系统有限公司 | For the Vent Module of internal combustion engine |
| CN111164340A (en) * | 2017-11-14 | 2020-05-15 | 奥迪股份公司 | Check valve element for a check valve assembly and corresponding check valve assembly |
| CN113137502A (en) * | 2020-01-16 | 2021-07-20 | 艾福迈精密部件公司 | Check valve and method for producing a check valve |
| WO2021185054A1 (en) * | 2020-03-20 | 2021-09-23 | 青岛未来移动医疗科技有限公司 | Mist storage tank for atomizer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1158337B (en) * | 1960-02-11 | 1963-11-28 | Erich Klawitter | Ventilation valve with a membrane clamped in the housing to close the flow openings |
| US4186768A (en) * | 1959-04-10 | 1980-02-05 | The United States Of America As Represented By The Secretary Of The Navy | Pressure sensitive hydraulic valve |
| US4907616A (en) * | 1988-08-15 | 1990-03-13 | G.T. Products, Inc. | Check valve assembly |
| US5727594A (en) * | 1995-02-09 | 1998-03-17 | Choksi; Pradip | Low actuation pressure unidirectional flow valve |
| EP1217134A2 (en) * | 2000-12-20 | 2002-06-26 | Sani Taps S.r.l. | Venting and one-way valve |
| CN2541693Y (en) * | 2002-04-29 | 2003-03-26 | 长飞光纤光缆有限公司 | Thin sheet check valve |
| CN2599350Y (en) * | 2003-01-24 | 2004-01-14 | 康华工业股份有限公司 | Flexible valve block |
| CN201747433U (en) * | 2010-08-17 | 2011-02-16 | 奇瑞汽车股份有限公司 | Oil return device of crankcase ventilation system |
-
2012
- 2012-08-15 CN CN201210291467.7A patent/CN103591339B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186768A (en) * | 1959-04-10 | 1980-02-05 | The United States Of America As Represented By The Secretary Of The Navy | Pressure sensitive hydraulic valve |
| DE1158337B (en) * | 1960-02-11 | 1963-11-28 | Erich Klawitter | Ventilation valve with a membrane clamped in the housing to close the flow openings |
| US4907616A (en) * | 1988-08-15 | 1990-03-13 | G.T. Products, Inc. | Check valve assembly |
| US5727594A (en) * | 1995-02-09 | 1998-03-17 | Choksi; Pradip | Low actuation pressure unidirectional flow valve |
| EP1217134A2 (en) * | 2000-12-20 | 2002-06-26 | Sani Taps S.r.l. | Venting and one-way valve |
| CN2541693Y (en) * | 2002-04-29 | 2003-03-26 | 长飞光纤光缆有限公司 | Thin sheet check valve |
| CN2599350Y (en) * | 2003-01-24 | 2004-01-14 | 康华工业股份有限公司 | Flexible valve block |
| CN201747433U (en) * | 2010-08-17 | 2011-02-16 | 奇瑞汽车股份有限公司 | Oil return device of crankcase ventilation system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106795789A (en) * | 2014-10-07 | 2017-05-31 | 布鲁斯密封系统有限公司 | For the Vent Module of internal combustion engine |
| CN105781676A (en) * | 2015-01-09 | 2016-07-20 | 曼·胡默尔有限公司 | Leakage gas pressure regulating valve used for internal combustion engine |
| CN111164340A (en) * | 2017-11-14 | 2020-05-15 | 奥迪股份公司 | Check valve element for a check valve assembly and corresponding check valve assembly |
| US11079029B2 (en) | 2017-11-14 | 2021-08-03 | Audi Ag | Check valve element for a check valve assembly and corresponding check valve assembly |
| CN111164340B (en) * | 2017-11-14 | 2022-05-24 | 奥迪股份公司 | Check valve element for a check valve assembly and corresponding check valve assembly |
| CN113137502A (en) * | 2020-01-16 | 2021-07-20 | 艾福迈精密部件公司 | Check valve and method for producing a check valve |
| WO2021185054A1 (en) * | 2020-03-20 | 2021-09-23 | 青岛未来移动医疗科技有限公司 | Mist storage tank for atomizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103591339B (en) | 2018-11-16 |
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