CN103982321B - Motor cylinder protective shield and engine assembly - Google Patents
Motor cylinder protective shield and engine assembly Download PDFInfo
- Publication number
- CN103982321B CN103982321B CN201410240488.5A CN201410240488A CN103982321B CN 103982321 B CN103982321 B CN 103982321B CN 201410240488 A CN201410240488 A CN 201410240488A CN 103982321 B CN103982321 B CN 103982321B
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- Prior art keywords
- protective shield
- oil
- motor cylinder
- return opening
- housing
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Abstract
The invention discloses a kind of motor cylinder protective shield, including housing (11), described housing has oil and gas import and oil return opening on (11), also including the counterflow-preventing mechanism being arranged at described oil return opening place, described counterflow-preventing mechanism includes top cover body (12) and at least one extending below in portion; Described top cover body (12) covers at the top of described oil return opening, there is in described top cover body (12) space being connected with described oil return opening, enclosed construction can be formed on the top of described top cover body (12), described housing (11) has and is positioned at cover body (12) side, described top and the oil-recovery tank communicated with described oil return opening; Described one end extending below portion is communicated in the lower section of described oil return opening, and the other end is oil outlet end, and the cross-sectional area of described oil outlet end is less than the cross-sectional area of described oil return opening. The problem that this motor cylinder protective shield can alleviate the excessive oil consumption of electromotor. The invention also discloses a kind of engine assembly.
Description
Technical field
The present invention relates to technical field of engines, particularly relate to a kind of motor cylinder protective shield. The invention still further relates to a kind of engine assembly.
Background technology
The effect of the motor cylinder protective shield of automobile is pressurized crankcase and the Repiration undertaking crankcase, along with the development of engine technology and the environmental consciousness of people are constantly strengthened, requirement for the engine oil carrying quantity of electromotor is also harsh all the more, and this is accomplished by the gas blowby in crankcase is easily separated.
In conventional art, motor cylinder protective shield is provided with oil gas entrance and oil return opening, integrated oil-gas separation device in motor cylinder protective shield, gas blowby in crankcase enters from oil gas entrance, after the effect of gas and oil separating plant, being separated with gas by fluid in gas blowby, isolated fluid is flowed back in crankcase by oil return opening.
But, owing to oil return opening is directly communicates with between the inner chamber of motor cylinder protective shield and the inner chamber of crankcase, cause that the gas blowby in crankcase is entered by oil return opening in the inner chamber of motor cylinder protective shield, cause the fluid entered in motor cylinder protective shield too much so that the excessive oil consumption of electromotor.
Therefore, this problem of excessive oil consumption of electromotor how is solved, it has also become the technical barrier that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
It is an object of the invention to provide a kind of motor cylinder protective shield, it can alleviate the problem of excessive oil consumption of electromotor. It is a further object of the present invention to provide a kind of engine assembly including above-mentioned motor cylinder protective shield.
To achieve these goals, the present invention provides following technical scheme:
A kind of motor cylinder protective shield, including housing, described housing has oil and gas import and oil return opening, also includes the counterflow-preventing mechanism being arranged at described oil return opening place, and described counterflow-preventing mechanism includes top cover body or top cover body and extends below portion;Described top cover body cover sets and the top of described oil return opening, there is in the cover body of described top the space being connected with described oil return opening, enclosed construction can be formed on the top of described top cover body, described housing has and is positioned at cover body side, described top and the oil-recovery tank communicated with described oil return opening; Described one end extending below portion is communicated in the lower section of described oil return opening, and the other end is oil outlet end, and the cross-sectional area of described oil outlet end is less than the cross-sectional area of described oil return opening.
Preferably, in above-mentioned motor cylinder protective shield, the described portion of extending below includes the first uiform section cylinder and the second uiform section cylinder being connected with described first uiform section cylinder, described first uiform section cylinder is connected with described housing, the lower end of described second uiform section cylinder forms described oil outlet end, and the cross-sectional area of described second uiform section cylinder is less than the cross-sectional area of described first uiform section cylinder.
Preferably, in above-mentioned motor cylinder protective shield, also including the baffle plate being arranged on described housing, described baffle plate is positioned at described oil and gas import place, and has the spaced parting bead of at least two on described baffle plate.
Preferably, in above-mentioned motor cylinder protective shield, described housing is provided with multiple separating plate with holes along airflow direction arrangement, described separating plate with holes has oil gas and passes through hole.
Preferably, in above-mentioned motor cylinder protective shield, described oil gas is arranged on described separating plate with holes near the side of top by hole.
Preferably, in above-mentioned motor cylinder protective shield, also include the band muscle separating plate being arranged on described housing, the described separation muscle with having on muscle separating plate along the arrangement of the described spaced surface with muscle separating plate, and described one end with muscle separating plate is free end, described band muscle separating plate is disposed adjacent with described separating plate with holes.
Preferably, in above-mentioned motor cylinder protective shield, also including the idetified separation plate being arranged on described housing, one end of described idetified separation plate is free end, and described idetified separation plate is individually fixed on relative two walls of described housing with muscle separating plate with described.
Preferably, in above-mentioned motor cylinder protective shield, the inwall of described housing is provided with a plurality of spaced cross reinforcing and a plurality of spaced waling, described cross reinforcing and described waling intersect.
Preferably, in above-mentioned motor cylinder protective shield, the inwall of described housing being provided with reinforcement plate, described reinforcement plate is all connected with the diapire of the sidewall of described housing and described housing.
A kind of engine assembly, including motor cylinder protective shield, described motor cylinder protective shield is the motor cylinder protective shield described in any of the above-described item.
In technique scheme, motor cylinder protective shield provided by the invention includes housing and counterflow-preventing mechanism, having oil and gas import and oil return opening on housing, counterflow-preventing mechanism is arranged at oil return opening place, and this counterflow-preventing mechanism includes top cover body or top cover body and extends below portion; Top cover body covers at the top of oil return opening, has the space being connected with oil return opening in the cover body of top, and enclosed construction can be formed on the top of top cover body, and housing has cover body side above and the oil-recovery tank communicated with oil return opening; The one end extending below portion is communicated in the lower section of oil return opening, and the other end is oil outlet end, and the cross-sectional area of oil outlet end is less than the cross-sectional area of oil return opening.
After adopting top cover body, if the gas blowby in crankcase enters the space in the cover body of top from oil return opening, owing to enclosed construction can be formed on the top of top cover body, this part oil gas will stay in the cover body of top, and cannot be introduced in the disengagement chamber of housing; After employing extends below portion, owing to the cross-sectional area of oil outlet end is less than the cross-sectional area of oil return opening, so the oil gas in crankcase is not easy to enter from oil outlet end to extend below in portion, also just it is not easily accessed in the disengagement chamber of housing. Obviously, compared to the content introduced in background technology, motor cylinder protective shield provided by the invention decreases and enters the oil and gas content in housing from oil return opening, thus the problem alleviating the excessive oil consumption of electromotor.
Owing to above-mentioned motor cylinder protective shield has above-mentioned technique effect, the electromotor comprising this motor cylinder protective shield also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the motor cylinder protective shield that Fig. 1 provides for the embodiment of the present invention;
A kind of structural representation of the top cover body that Fig. 2 provides for the embodiment of the present invention;
The another kind of structural representation of the top cover body that Fig. 3 provides for the embodiment of the present invention;
The structural representation in the portion that extends below that Fig. 4 provides for the embodiment of the present invention;
Baffle plate that Fig. 5 provides for the embodiment of the present invention and the structural representation of parting bead;
The separating plate with holes that Fig. 6 provides for the embodiment of the present invention, the structural representation with muscle separating plate and idetified separation plate.
Description of reference numerals:
11-housing, cover body above 12-, 13-the first uiform section cylinder, 14-the second uiform section cylinder, 15-baffle plate, 16-parting bead, 17-separating plate with holes, 18-band muscle separating plate, 19-idetified separation plate, 20-cross reinforcing, 21-waling.
Detailed description of the invention
The core of the present invention is to provide a kind of motor cylinder protective shield, and it can alleviate the problem of excessive oil consumption of electromotor. Another core of the present invention is to provide a kind of engine assembly including above-mentioned motor cylinder protective shield.
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with accompanying drawing, the present invention is further detailed.
As Figure 1-4, the embodiment of the present invention provides a kind of motor cylinder protective shield, and it includes housing 11 and counterflow-preventing mechanism, wherein:
Having oil and gas import and oil return opening on housing 11, the gas blowby in crankcase enters in the disengagement chamber in housing 11 by oil and gas import, flows back in crankcase through the fluid separated from oil return opening;
Counterflow-preventing mechanism is for preventing the gas blowby in crankcase in the disengagement chamber that oil return opening flows in housing 11, and it includes top cover body 12 and at least one extending below in portion; Top cover body 12 cover sets top with oil return opening, and (" top " herein refers to the top of oil gas flow direction, oil gas flow direction can be vertical direction), in the cover body 12 of top, there is the space being connected with oil return opening, enclosed construction can be formed on the top of top cover body 12, housing 11 has cover body side above and the oil-recovery tank communicated with oil return opening; The one end extending below portion is communicated in the lower section of oil return opening, and (" lower section " herein refers to fluid and enters after oil return opening, the downstream flowed under gravity), the other end is oil outlet end, and the cross-sectional area of this oil outlet end is less than the cross-sectional area of oil return opening. Specifically: the top of top cover body 12 can be enclosed construction, the top of top cover body 12 also can form enclosed construction with other parts after engine assembly has assembled; The portion of extending below can be pyramidal structure.
After adopting top cover body 12, flow into oil return opening through the fluid separated from oil-recovery tank, and then enter in crankcase; And if the gas blowby in crankcase enters the space in the cover body 12 of top from oil return opening, owing to enclosed construction can be formed on the top of top cover body 12, this part oil gas will stay in the cover body 12 of top, and cannot be introduced in the disengagement chamber of housing 11.
After employing extends below portion, extend below in portion from oil return opening inflow through the fluid separated, and flow back to crankcase by oil outlet end; And owing to the cross-sectional area of oil outlet end is less than the cross-sectional area of oil return opening, so the oil gas in crankcase is not easy to enter from oil outlet end to extend below in portion, be also just not easily accessed in the disengagement chamber of housing 11.Obviously, compared to the content introduced in background technology, motor cylinder protective shield provided by the invention decreases and enters the oil and gas content in housing 11 from oil return opening, thus the problem alleviating the excessive oil consumption of electromotor.
In specific embodiments, can only select top cover body 12 and the one extending below in portion as counterflow-preventing mechanism, it is possible to adopt top cover body 12 simultaneously and extend below portion as counterflow-preventing mechanism.
In further technical scheme, the portion of extending below includes the first uiform section cylinder 13 and the second uiform section cylinder 14 being connected with the first uiform section cylinder 13, first uiform section cylinder 13 is connected with housing 11, the lower end of the second uiform section cylinder 14 forms aforesaid oil outlet end, and the cross-sectional area of the second uiform section cylinder 14 is less than the cross-sectional area of the first uiform section cylinder 13. Cross section herein is the cross section formed along the direction being perpendicular to fluid flow direction, and the contour shape of each cross section of the first uiform section cylinder 13 is identical, and the area equation of each cross section, and the second uiform section cylinder 14 is in like manner. This scheme is by improving the structure in the portion that extends below, make through the fluid separated at the reduced velocity flow of oil outlet end, and then ensureing that oil outlet end is taken by fluid in a long time, the gas blowby that also just can be better protected from crankcase passes through from the oil outlet end extending below portion.
As shown in Figure 5 and Figure 6, in order to improve oil gas separation, embodiment of the present invention oil and gas import place on housing 11 arranges baffle plate 15, and this baffle plate 15 has the spaced parting bead 16 of at least two. Gas blowby in crankcase will contact with baffle plate 15 after flowing through oil and gas import, and the fluid in gas blowby will collide with baffle plate 15, and then be separated by the fluid in gas blowby, and the fluid after separation will directly drop back in crankcase; The setting of parting bead 16 not only expands the area that can collide with gas blowby, and also the oil droplet for splashing arranges greater area of stop so that the oil droplet of splashing is not easily accessible in the disengagement chamber of housing 11.
As shown in Figure 6, in order to realize entering the Oil-gas Separation of the gas blowby in the disengagement chamber of housing 11, multiple separating plate with holes 17 along airflow direction arrangement can be set in housing 11, this separating plate 17 with holes has oil gas and passes through hole. When gas blowby is through separating plate 17 with holes, the oil droplet in gas blowby and separating plate 17 with holes collide, it is achieved the separation of fluid. Further, above-mentioned oil gas may be disposed on separating plate 17 with holes the side near top (" top " herein refers to the top of oil gas flow direction, and oil gas flow direction can be vertical direction) by hole. Owing to gas blowby floats on top more, after therefore oil gas be arranged at the upper side of separating plate 17 with holes by hole, gas blowby collision rift, oil droplet falls rapidly, and gas then rises rapidly, and is flow through by hole from oil gas rapidly. Visible, this scheme is more beneficial for separating the fluid in gas blowby.
In preferred technical scheme, the motor cylinder protective shield that the embodiment of the present invention provides also includes the band muscle separating plate 18 being arranged on housing 11, this is with having the separation muscle arranged along the spaced surface with muscle separating plate 18 on muscle separating plate 18, and the one end with muscle separating plate 18 is free end, band muscle separating plate 18 is disposed adjacent with separating plate 17 with holes. So, gas blowby through separating plate 17 with holes continues to collide with band muscle separating plate 18, owing to band muscle separating plate 18 being provided with separation muscle, more violent collision will be there is in this separation muscle with gas blowby, and make the surface irregularity with muscle separating plate 18 owing to separating muscle, fluid is not easy to be taken out of band muscle separating plate 18 by gas blowby, and then improves the oil gas separation of motor cylinder protective shield largely.
More preferably, the motor cylinder protective shield that the embodiment of the present invention provides also includes the idetified separation plate 19 being arranged on housing 11, and one end of this idetified separation plate 19 is free end, and idetified separation plate 19 is individually fixed on relative two walls of housing 11 with muscle separating plate 18. Gas blowby flows through in the process with muscle separating plate 18 and idetified separation plate 19 from separating plate 17 with holes successively, the stream of bending will be formed, the collision that gas blowby occurs in this flow process will aggravate, simultaneously with certain turbulent phenomenon, little oil droplet in gas blowby is fallen so that oil gas separation is higher after constantly accumulating larger oil droplet.
Alternatively, above-mentioned baffle plate 15, separating plate with holes 17, jointly can be arranged in housing 11 with the gas and oil separating plant in existing housing 11 with at least one in muscle separating plate 18 and idetified separation plate 19, reach preferably oil gas separation. Certainly, it is possible to the gas and oil separating plant in existing housing 11 is replaced with aforesaid baffle plate 15, separating plate with holes 17, with at least one in muscle separating plate 18 and idetified separation plate 19.
As shown in Figure 1, large effect is there is in the intensity of housing 11 for the work of motor cylinder protective shield, therefore, the embodiment of the present invention is provided with a plurality of spaced cross reinforcing 20 and a plurality of spaced waling 21 on the inwall of housing 11, this cross reinforcing 20 and waling 21 intersect, make housing 11 that deformation and then the rigidity of raising motor cylinder protective shield be less likely to occur, reduce the noise radiation on motor cylinder protective shield surface. Further, can arranging reinforcement plate on the inwall of housing 11, this reinforcement plate is all connected with the sidewall of housing 11 and the diapire of housing 11. Strengthen plate to be connected with the inwall in the multiple directions of housing 11 so that housing 11 is more difficult deformation occurs.
Above-mentioned parting bead 16, separating plate with holes 17, with muscle separating plate 18, idetified separation plate 19, cross reinforcing 20, waling 21 with strengthen the particular number of plate and be referred to the factor such as concrete model and job requirement of electromotor and determine.
Certainly, under mutual reconcilable premise, above-mentioned each technical scheme can combination in any, the technical scheme obtained after combination is still within protection scope of the present invention.
The engine assembly that the embodiment of the present invention provides includes motor cylinder protective shield, and this motor cylinder protective shield is the motor cylinder protective shield described by any of the above-described scheme. Owing to above-mentioned motor cylinder protective shield has above-mentioned technique effect, the electromotor comprising this motor cylinder protective shield also should have corresponding technique effect, repeats no more herein.
Below some one exemplary embodiment of the present invention is only described by the mode of explanation, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, it is possible to by various different modes, described embodiment is modified. Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (10)
1. a motor cylinder protective shield, including housing (11), described housing has oil and gas import and oil return opening on (11), it is characterized in that, also including the counterflow-preventing mechanism being arranged at described oil return opening place, described counterflow-preventing mechanism includes top cover body (12) or top cover body (12) and extends below portion; Described top cover body (12) covers at the top of described oil return opening, there is in described top cover body (12) space being connected with described oil return opening, enclosed construction can be formed on the top of described top cover body (12), described housing (11) has and is positioned at cover body (12) side, described top and the oil-recovery tank communicated with described oil return opening;Described one end extending below portion is communicated in the lower section of described oil return opening, and the other end is oil outlet end, and the cross-sectional area of described oil outlet end is less than the cross-sectional area of described oil return opening.
2. motor cylinder protective shield according to claim 1, it is characterized in that, the described portion of extending below includes the first uiform section cylinder (13) and the second uiform section cylinder (14) being connected with described first uiform section cylinder (13), described first uiform section cylinder (13) is connected with described housing (11), the lower end of described second uiform section cylinder (14) forms described oil outlet end, and the cross-sectional area of described second uiform section cylinder (14) is less than the cross-sectional area of described first uiform section cylinder (13).
3. motor cylinder protective shield according to claim 1, it is characterized in that, also include the baffle plate (15) being arranged on described housing (11), described baffle plate (15) is positioned at described oil and gas import place, and has the spaced parting bead of at least two (16) on described baffle plate (15).
4. motor cylinder protective shield according to claim 1, it is characterised in that be provided with multiple separating plate with holes (17) along airflow direction arrangement on described housing, described separating plate with holes (17) have oil gas and passes through hole.
5. motor cylinder protective shield according to claim 4, it is characterised in that described oil gas is arranged at the upper side near top of described separating plate with holes (17) by hole.
6. motor cylinder protective shield according to claim 4, it is characterized in that, also include band muscle separating plate (18) being arranged on described housing (11), the described separation muscle with having on muscle separating plate (18) along the arrangement of the described spaced surface with muscle separating plate (18), and described one end with muscle separating plate (18) is free end, described band muscle separating plate (18) is disposed adjacent with described separating plate with holes (17).
7. motor cylinder protective shield according to claim 6, it is characterized in that, also include the idetified separation plate (19) being arranged on described housing (11), one end of described idetified separation plate (19) is free end, and described idetified separation plate (19) is individually fixed on relative two walls of described housing (11) with muscle separating plate (18) with described.
8. the motor cylinder protective shield according to any one of claim 1-7, it is characterized in that, the inwall of described housing (11) is provided with a plurality of spaced cross reinforcing (20) and a plurality of spaced waling (21), described cross reinforcing (20) and described waling (21) intersect.
9. the motor cylinder protective shield according to any one of claim 1-7, it is characterized in that, being provided with reinforcement plate on the inwall of described housing (11), described reinforcement plate is all connected with the sidewall of described housing (11) and the diapire of described housing (11).
10. an engine assembly, including motor cylinder protective shield, it is characterised in that described motor cylinder protective shield is the motor cylinder protective shield according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240488.5A CN103982321B (en) | 2014-05-30 | 2014-05-30 | Motor cylinder protective shield and engine assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240488.5A CN103982321B (en) | 2014-05-30 | 2014-05-30 | Motor cylinder protective shield and engine assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982321A CN103982321A (en) | 2014-08-13 |
| CN103982321B true CN103982321B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410240488.5A Expired - Fee Related CN103982321B (en) | 2014-05-30 | 2014-05-30 | Motor cylinder protective shield and engine assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN103982321B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412420A (en) * | 2001-10-12 | 2003-04-23 | 现代自动车株式会社 | Oil separator for air leakage |
| CN2565992Y (en) * | 2001-08-27 | 2003-08-13 | 本田技研工业株式会社 | Apparatus for lubricating valve controlled mechanism in engine |
| CN101137823A (en) * | 2005-03-07 | 2008-03-05 | 雷诺两合公司 | Oil circulating device for internal combustion engine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4344579B2 (en) * | 2003-10-15 | 2009-10-14 | 株式会社マーレ フィルターシステムズ | Cylinder head cover oil separator |
| JP2009293499A (en) * | 2008-06-04 | 2009-12-17 | Aichi Mach Ind Co Ltd | Oil return structure |
| JP2011074900A (en) * | 2009-10-02 | 2011-04-14 | Toyota Motor Corp | Oil separation device of engine |
| CN201818385U (en) * | 2010-10-29 | 2011-05-04 | 青岛华涛汽车模具有限公司 | Cylinder head cover cap |
| CN203394609U (en) * | 2013-07-03 | 2014-01-15 | 广西玉柴机器股份有限公司 | Crankcase ventilation device |
| CN203847270U (en) * | 2014-05-30 | 2014-09-24 | 安徽江淮汽车股份有限公司 | Engine cylinder head shield and engine assembly |
-
2014
- 2014-05-30 CN CN201410240488.5A patent/CN103982321B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2565992Y (en) * | 2001-08-27 | 2003-08-13 | 本田技研工业株式会社 | Apparatus for lubricating valve controlled mechanism in engine |
| CN1412420A (en) * | 2001-10-12 | 2003-04-23 | 现代自动车株式会社 | Oil separator for air leakage |
| CN101137823A (en) * | 2005-03-07 | 2008-03-05 | 雷诺两合公司 | Oil circulating device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103982321A (en) | 2014-08-13 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: ANHUI JIANGHUAI AUTOMOBILE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |