CN207297189U - Crankcase and crankcase end cover - Google Patents
Crankcase and crankcase end cover Download PDFInfo
- Publication number
- CN207297189U CN207297189U CN201721093110.2U CN201721093110U CN207297189U CN 207297189 U CN207297189 U CN 207297189U CN 201721093110 U CN201721093110 U CN 201721093110U CN 207297189 U CN207297189 U CN 207297189U
- Authority
- CN
- China
- Prior art keywords
- oil
- crankcase
- cooling
- cooling oil
- end cover
- 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.)
- Withdrawn - After Issue
Links
- 238000001816 cooling Methods 0.000 claims abstract description 127
- 239000000446 fuel Substances 0.000 claims description 18
- 239000003921 oil Substances 0.000 abstract description 199
- 239000010687 lubricating oil Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model provides a kind of crankcase end cover, including end cap body, cylinder head supporting part and Curved shaft support portion, and the cylinder head oil circuit of connection cylinder head supporting part is offered on end cap body, with the crankshaft oilway for connecting Curved shaft support portion；Further include and be arranged in end cap inner body wall, and connect the cooling oil path of cylinder head oil circuit and crankshaft oilway.Cooling oil path is set on the inner wall of end cap body, lubricating oil is input to cooling oil path, contact through end cap body with external environment condition cools down cooling oil path, it is delivered to cylinder head oil circuit and crankshaft oilway again afterwards, so that lubricating oil is before cylinder head and bent axle is entered, lubricating oil in cooling oil path is cooled down by end cap body, reduces the temperature of lubricating oil in input cylinder head oil circuit and crankshaft oilway, improves the cooling effect of crankcase.The utility model additionally provides a kind of crankcase with above-mentioned crankcase end cover structure.
Description
Technical field
Field of power equipment technology is the utility model is related to, more specifically to a kind of crankcase and crankcase end cover.
Background technology
The crankcase of motorcycle, for supporting and installing other parts of whole engine, bearing part, bear to start
Various impact forces and driving moment caused by machine work.Crankcase divides two-stroke engine crankcase and four-stroke engine bent
Axle box, free-standing crankcase and with transmission combination formula crankcase, unsplit crankcase and split type crankcase, without speed changer
Crankcase and crankcase with speed changer etc..Various crankcases are used with the symmetrical split type crankcase of cylinder axis,
Left and right babinet is connected with screw, and centre is equipped with gasket.
Existing crankcase right end cap, cylinder head supporting part and Curved shaft support portion are set on right end cap, are limited to the crankcase right side
The structure limitation of end cap, only offers the cylinder head oil circuit of connection cylinder head thereon, and cylinder head oil circuit separates connection Curved shaft support portion at the same time
Crankshaft oilway, cylinder head oil circuit and crankshaft oilway are only capable of cooling down cylinder head and Curved shaft support position, after working long hours, hold
The rise of bent axle the temperature inside the box is easily led to, the cooling effectiveness decline of cylinder head oil circuit and crankshaft oilway, causes crankcase thermic load to increase.
Therefore, the cooling effect of crankcase how is improved, is a problem to be solved by those skilled in the art.
Utility model content
In view of this, the utility model provides a kind of crankcase end cover, to improve the cooling effect of crankcase；This practicality
It is new to additionally provide a kind of crankcase.
In order to achieve the above object, the utility model provides following technical solution：
A kind of crankcase end cover, including end cap body, offer cylinder head supporting part and Curved shaft support on the end cap body
Portion, and the cylinder head oil circuit of the connection cylinder head supporting part, with the crankshaft oilway for connecting the Curved shaft support portion；Further include setting
In in the end cap inner body wall, and connect the cooling oil path of the cylinder head oil circuit and the crankshaft oilway.
Preferably, in above-mentioned crankcase end cover, the cooling oil path includes being opened on the inner wall of the end cap body
Cooling oil groove, and be covered on the cooling oil groove to the oil duct cover board that is sealed of cooling oil groove.
Preferably, in above-mentioned crankcase end cover, the end cap body includes the first lid dress portion being covered on clutch,
With positioned at the second lid dress portion of the cylinder cap body lower end；The cooling oil path includes being respectively arranged in the first lid dress portion
The first cooling oil path, and the second cooling oil path being arranged in the second lid dress portion, first cooling oil path and described
Second cooling oil path is interconnected.
Preferably, in above-mentioned crankcase end cover, the oil duct cover board includes being covered on first cooling oil path respectively
On the first oil duct cover board, and the second oil duct cover board being covered on second cooling oil path.
Preferably, in above-mentioned crankcase end cover, first cooling oil path includes connecting with second cooling oil path
Fuel feeding pass a bridge, and pass a bridge with the fuel feeding and to connect and the first annular oil circuit of circumferentially opposed stretching along the first lid dress portion
With the second annular oil circuit.
Preferably, in above-mentioned crankcase end cover, be provided with the end cap body it is a plurality of protrude from it is described second lid dress
The outer wall oil duct heat sink in portion, second cooling oil path include sinking to the oil duct heat dissipation by the inner wall in the second lid dress portion
The second cooling oil groove in piece.
Preferably, in above-mentioned crankcase end cover, the fuel feeding, which is passed a bridge, includes connecting second cooling oil path and described
The the first gap bridge oil inlet and the first gap bridge oil outlet of first annular oil circuit, with connecting second cooling oil path and described second
The the second gap bridge oil inlet and the second gap bridge oil outlet of annular oil circuit.
Preferably, in above-mentioned crankcase end cover, the first annular oil circuit and the second annular oil circuit are interconnected,
The fuel feeding, which is passed a bridge, to be included connecting the gap bridge oil inlet of the first annular oil circuit and second cooling oil path, described in connecting
The gap bridge oil outlet of second annular oil circuit and second cooling oil path.
Preferably, in above-mentioned crankcase end cover, the oil duct heat sink is the oil duct that cross section is semi-circular shape structure
Heat radiating fin structure.
A kind of crankcase, including crankcase bodies and the crankcase end cover for being arranged at described crankcase bodies one end, it is described
Crankcase end cover is the as above crankcase end cover described in any one.
Crankcase end cover provided by the utility model, including end cap body, offer on end cap body cylinder head supporting part and
Curved shaft support portion, and the cylinder head oil circuit of connection cylinder head supporting part, with the crankshaft oilway for connecting Curved shaft support portion；Further include setting
In in end cap inner body wall, and connect the cooling oil path of cylinder head oil circuit and crankshaft oilway.Crankcase on end cap body by opening up
Cylinder head oil circuit and crankshaft oilway, there is provided the lubricating oil that cylinder head and bent axle are cooled down and lubricated, meanwhile, in end cap body
After setting cooling oil path, lubricating oil to be input to cooling oil path on inner wall, the surface of end cap body and the contact of external environment condition so that
Lubricating oil is cooled down in its interior cooling oil path, continues on to cylinder head oil circuit and crankshaft oilway so that lubricating oil into
Before entering cylinder head and bent axle, by flowing through the cooling oil path of end cap body body, to the lubricating oil in cooling oil path into
Row cooling, lubricating oil after cooling cool down cylinder head oil circuit and crankshaft oilway, the cooling effect of the two are improved, so as to have
Effect reduces bent axle the temperature inside the box, improves the cooling effect of crankcase.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the front view of crankcase end cover provided by the utility model；
Fig. 2 is the rear structure schematic diagram of Fig. 1.
Embodiment
The utility model discloses a kind of crankcase end cover, the cooling effect of crankcase is improved；The utility model also carries
A kind of crankcase is supplied.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Embodiment based on the utility model, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, Fig. 1 is the front view of crankcase end cover provided by the utility model；Fig. 2 is the rear portion of Fig. 1
Structure diagram.
The utility model provides a kind of crankcase end cover, including end cap body 1, and cylinder head branch is offered on end cap body 1
Support part 2 and Curved shaft support portion 3, and the cylinder head oil circuit of connection cylinder head supporting part 2, with the crankshaft oilway for connecting Curved shaft support portion 3；
Further include and be arranged on 2 inner wall of end cap body, and connect the cooling oil path 4 of cylinder head oil circuit and crankshaft oilway.Crankcase passes through end
The cylinder head oil circuit and crankshaft oilway opened up on lid body 1, there is provided the lubricating oil that cylinder head and bent axle are cooled down and lubricated, together
When, cooling oil path 4 is set on the inner wall of end cap body 1, after lubricating oil is input to cooling oil path 4, due to end cap body 1 and outside
Portion's environment contact, external environment condition are brushed end cap body 1 so that lubricating oil after cooling, continues defeated in its interior cooling oil path 4
Send to cylinder head oil circuit and crankshaft oilway, so that lubricating oil is before cylinder head and bent axle is entered, first by end cap body 1 to cold
But the lubricating oil in oil circuit 4 is cooled down, and lubricating oil after cooling cools down cylinder head oil circuit and crankshaft oilway, improves two
The cooling effect of person, so as to effectively reduce bent axle the temperature inside the box, improves the cooling effect of crankcase.
In one specific embodiment of this case, cooling oil path 4 includes the cooling oil groove 5 being opened on the inner wall of end cap body 1,
Be covered on cooling oil groove 5 to the oil duct cover board that is sealed of cooling oil groove 5.Crankcase end cover is plate construction, will be cooled down
Oil circuit 4 is arranged to cooling oil groove 5, i.e., opens up in the inner wall of end cap body 1 and protrude from the rib of its inner wall, cooling is surrounded by rib
Oil groove 5, the affixed oil duct cover board on cooling oil groove 5, seals cooling oil groove 5 by oil duct cover board so that lubricating oil is cold
But circulate in the guiding of oil groove 5, realize the cooling to crankcase end cover surface.
Simultaneously as in the inner wall increasing oiling road cover board of end cap body 1, oil duct cover board is driven clutch in crankcase etc.
The deadening that structure plays, so that with oil duct cover board and cooling oil groove 5, plays the role of reducing noise, improves
The soundproof effect of motorcycle, there is provided driver comfort.
In one specific embodiment of this case, end cap body 1 includes the first lid dress portion 101 being covered on clutch, and position
In the second lid dress portion 102 of 1 lower end of cylinder cap body；Cooling oil path 4 includes being respectively arranged in the first lid dress portion 101 first cold
But oil circuit 41, and the second cooling oil path 42 being arranged in the second lid dress portion 102, the first cooling oil path 41 and the second cooling oil path
42 are interconnected.Second lid dress portion 102 is located at the lower section of cylinder head, is plane tabular structure, and the first lid dress portion 101 lid is loaded on clutch
The end of device, is arc-shaped end cover structure.The internal structure of end cap body 1 is adapted to, cooling oil path 4 is divided for the first cooling oil path
41 and second two parts on cooling oil path 42, the first cooling oil path 42 and the second cooling oil path 42 be interconnected, end cap body 1
When conveying lubricating oil, after being inputted by oil inlet, sequentially by the first cooling oil path and the second cooling oil path, cylinder is finally entered
Hair oil road and crankshaft oilway.
In one specific embodiment of this case, oil duct cover board includes the first oil duct lid being covered on respectively on the first cooling oil path
Plate, and the second oil duct cover board being covered on the second cooling oil path.First cooling oil path and the second cooling oil path include cooling
Oil groove and oil duct covering plate structure, oil duct cover board adapts to the position of the first cooling oil path and the second cooling oil path 42 and arrangement is tied
Structure, is arranged to Split type structure, is arranged at by the first oil duct cover board on the first cooling oil path 41, and the second oil duct cover plate lid is arranged on second
On cooling oil path 42, split design is individually fixed, improves the leakproofness of the first cooling oil path 41 and the second cooling oil path 42.
In one specific embodiment of this case, the fuel feeding that the first cooling oil path 41 includes connecting with the second cooling oil path 42 is passed a bridge
413, and pass a bridge and 413 connect and the first annular oil circuit 411 and second of circumferentially opposed stretching along the first lid dress portion 101 with fuel feeding
Annular oil circuit 412.42 Split type structure of first cooling oil path 41 and the second cooling oil path, therebetween by the inner wall of crankcase end cover
Plane to arc surface transition, set the fuel feeding individually arranged to pass a bridge 413 in the link position of the two, by fuel feeding pass a bridge 413 across
It is connected between two end faces.Fuel feeding gap bridge 413 could be provided as the gusset of both ends of the surface contact position, and oil was opened up in the middle part of gusset
Hole.First lid dress portion 101 end of the lid loaded on clutch configuration, the end of clutch is protected at the middle part of its arc structure
And support, avoid take arc structure central space, by the first cooling oil path 41 by fuel feeding pass a bridge 413 position branches, along circle
The circumferential stretching in the first lid dress portion 101 of arc structure, in semi-annular shape structure, two parts of stretching are respectively first annular oil circuit
411 and the second annular oil circuit 412, by fuel feeding pass a bridge 413 inputs lubricating oil through the annular oil circuit of first annular oil circuit 411 and second
After the circuit circulation cooling of 412 compositions, the second cooling oil path 42 is flow back into, is ultimately delivered to cylinder head oil circuit and crankshaft oilway.
In one specific embodiment of this case, a plurality of outer wall oil duct for protruding from the second lid dress portion is provided with end cap body 1
Heat sink 103, the second cooling oil path 42 include being sunk in oil duct heat sink 103 by the inner wall in the second lid dress portion 102 second cold
But oil groove.Further, to improve the cooling effect of end cap, due to inner wall surface circulation of the lubricating oil through end cap body 1, holding
Oil duct heat sink 103 is opened up on the outer wall of lid body 1, while air-cooled, raising heat dissipation effect is carried out to end cap body 1.Oil duct dissipates
Backing 103 protrudes from the outer wall of end cap body 1, and the inside of oil duct heat sink 103 set deep gouge, and the of the second cooling oil path 42
The position of two cooling oil grooves, overlaps, i.e. it is recessed that oil duct heat sink 103 is arranged to thin-walled with the deep gouge of oil duct heat sink 103
Slot structure, by circulating inside it to lubricating oil, by its exterior progress wind-cooling heat dissipating.
Preferably, oil duct heat sink 103 is the oil duct heat radiating fin structure that cross section is semi-circular shape structure.Semi-circular shape knot
The outer end face of structure oil duct heat sink protrudes from the outer wall of end cap body, and inner face is as the second cooling oil groove.
In one specific embodiment of this case, fuel feeding passes a bridge 413 including connecting the second cooling oil path 42 and first annular oil circuit
411 the first gap bridge oil inlet and the first gap bridge oil outlet, the with connecting the second cooling oil path 42 and the second annular oil circuit 412
Two gap bridge oil inlets and the second gap bridge oil outlet.The connection of first cooling oil path 41 and the second cooling oil path 42, by the second cooling
Oil circuit 42 divides to be connected for two parts, a part with oil inlet, and lubricating oil is sent to first annular through the second cooling oil path after being passed through
Oil circuit 411, first annular oil circuit 411 itself are circuit, the second cooling oil path 42 at the same time to first annular 411 fuel feeding of oil circuit, and
Receive the lubricating oil flowed back to；The lubricating oil flowed back to through first annular oil circuit 411 is sent to the second loop checking installation 412, the second annular
Oil circuit 412 is circuit, and lubricating oil is flowed into the second cooling oil path 42 through the second loop checking installation 412, is ultimately delivered to cylinder head.Second
Cooling oil path 42 is including three sections, the first segment respectively connected with the first gap bridge oil inlet, while connects the first gap bridge oil outlet
With the second segment of the second gap bridge oil inlet, and the 3rd section of the second gap bridge oil outlet of connection.Three-stage structure so that the second cooling
Oil circuit fully covers the second lid dress portion, ensures oil circuit without circulation dead angle.
In one specific embodiment of this case, the first annular annular oil circuit 412 of oil circuit 411 and second is interconnected, fuel feeding mistake
Bridge 413 includes the gap bridge oil inlet for connecting first annular 411 and second cooling oil path 42 of oil circuit, and connects the second annular oil circuit
412 and second cooling oil path 42 gap bridge oil outlet.First annular oil circuit 411 can connect at the same time with the second annular oil circuit 412, the
Two cooling oil paths 42 are fed through first annular oil circuit by gap bridge oil inlet, and lubricating oil circulation is through first annular oil circuit and the second annular
After oil circuit, then through gap bridge oil outlet flow back into the second cooling oil path.
Based on the crankcase end cover provided in above-described embodiment, the utility model additionally provides a kind of crankcase, including song
Axle box body and the crankcase end cover for being arranged at crankcase bodies one end, the crankcase end cover which is equipped with are upper
The crankcase end cover provided in embodiment is provided.
Since the crankcase employs the crankcase end cover of above-described embodiment, so the crankcase is brought by crankcase end cover
Beneficial effect refer to above-described embodiment.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
- A kind of 1. crankcase end cover, it is characterised in that including end cap body, offered on the end cap body cylinder head supporting part and Curved shaft support portion, and the cylinder head oil circuit of the connection cylinder head supporting part, with the crankshaft oilway for connecting the Curved shaft support portion；Also Including being arranged in the end cap inner body wall, and connect the cooling oil path of the cylinder head oil circuit and the crankshaft oilway.
- 2. crankcase end cover according to claim 1, it is characterised in that the cooling oil path includes being opened in the end cap Cooling oil groove on the inner wall of body, and it is covered on the oil duct lid sealed on the cooling oil groove to the cooling oil groove Plate.
- 3. crankcase end cover according to claim 2, it is characterised in that the end cap body includes being covered on clutch The first lid dress portion, and positioned at the second lid dress portion of the cylinder cap body lower end；The cooling oil path includes being respectively arranged at institute The first cooling oil path in the first lid dress portion is stated, and the second cooling oil path being arranged in the second lid dress portion, described first Cooling oil path and second cooling oil path are interconnected.
- 4. crankcase end cover according to claim 3, it is characterised in that the oil duct cover board includes being covered on respectively described The first oil duct cover board on first cooling oil path, and the second oil duct cover board being covered on second cooling oil path.
- 5. crankcase end cover according to claim 4, it is characterised in that first cooling oil path includes and described second The fuel feeding of cooling oil path connection is passed a bridge, and is passed a bridge with the fuel feeding and to be connected and along the circumferentially opposed stretching in the first lid dress portion First annular oil circuit and the second annular oil circuit.
- 6. crankcase end cover according to claim 5, it is characterised in that be provided with a plurality of protrude from the end cap body The outer wall oil duct heat sink in the second lid dress portion, second cooling oil path include being sunk to by the inner wall in the second lid dress portion The second cooling oil groove in the oil duct heat sink.
- 7. crankcase end cover according to claim 6, it is characterised in that it is cold that the fuel feeding gap bridge includes connection described second But the first gap bridge oil inlet and the first gap bridge oil outlet of oil circuit and the first annular oil circuit, with connecting second cooling oil Road and the second gap bridge oil inlet and the second gap bridge oil outlet of the second annular oil circuit.
- 8. crankcase end cover according to claim 6, it is characterised in that the first annular oil circuit and second annular Oil circuit is interconnected, and the fuel feeding, which is passed a bridge, to be included connecting the gap bridge oil inlet of the first annular oil circuit and second cooling oil path Mouthful, and the gap bridge oil outlet of the described second annular oil circuit of connection and second cooling oil path.
- 9. crankcase end cover according to claim 6, it is characterised in that the oil duct heat sink is that cross section is semicircular ring The oil duct heat radiating fin structure of shape structure.
- 10. a kind of crankcase, including crankcase bodies and the crankcase end cover for being arranged at described crankcase bodies one end, its feature It is, the crankcase end cover is the crankcase end cover as described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721093110.2U CN207297189U (en) | 2017-08-29 | 2017-08-29 | Crankcase and crankcase end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721093110.2U CN207297189U (en) | 2017-08-29 | 2017-08-29 | Crankcase and crankcase end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297189U true CN207297189U (en) | 2018-05-01 |
Family
ID=62438055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721093110.2U Withdrawn - After Issue CN207297189U (en) | 2017-08-29 | 2017-08-29 | Crankcase and crankcase end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559100A (en) * | 2017-08-29 | 2018-01-09 | 力帆实业(集团)股份有限公司 | Crankcase and crankcase end cover |
-
2017
- 2017-08-29 CN CN201721093110.2U patent/CN207297189U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559100A (en) * | 2017-08-29 | 2018-01-09 | 力帆实业(集团)股份有限公司 | Crankcase and crankcase end cover |
| CN107559100B (en) * | 2017-08-29 | 2024-01-16 | 力帆实业(集团)股份有限公司 | Crankcase and crankcase end cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180501 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180501 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |