CN216617695U - Right crankcase - Google Patents
Right crankcase Download PDFInfo
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- CN216617695U CN216617695U CN202121588390.0U CN202121588390U CN216617695U CN 216617695 U CN216617695 U CN 216617695U CN 202121588390 U CN202121588390 U CN 202121588390U CN 216617695 U CN216617695 U CN 216617695U
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- right crankcase
- mounting groove
- mounting
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a right crankcase, be provided with first oil circuit, first mounting groove, second oil circuit and mounting platform on the right crankcase, first mounting groove forms machine oil filter screen installing zone, and the notch of first mounting groove is towards the outside of right crankcase, mounting platform is oil pump mounting platform, and the machine oil case of engine passes through first oil circuit and first mounting groove intercommunication, and the delivery outlet setting of first oil circuit is in first mounting groove, and the second oil circuit setting is between first mounting groove and mounting platform, and the input port setting of second oil circuit is in first mounting groove, and the delivery outlet setting of second oil circuit is on mounting platform. By adopting the scheme, the notch of the first mounting groove for mounting the engine oil filter screen is arranged towards the outer side of the right crankcase, the engine oil filter screen can be conveniently dismounted from the outer side, and in addition, the oil way is specially optimized.
Description
Technical Field
The utility model relates to the technical field of motorcycle engine accessories, in particular to a right crankcase.
Background
Among the prior art, the machine oil filter mechanism on the right crankcase often sets up the inboard at right crankcase, when needs change the machine oil filter screen, needs tear the machine open to the crankcase of engine, wastes time and energy, and probably causes dust, impurity etc. to enter into inside the engine, causes the harm to the engine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a right crankcase, wherein a notch of a first mounting groove for mounting an engine oil filter screen is formed towards the outer side of the right crankcase, the engine oil filter screen can be conveniently dismounted from the outer side, and in addition, the oil way is specially optimized. In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a right crankcase, be provided with first oil circuit, first mounting groove, second oil circuit and mounting platform on the right crankcase, first mounting groove forms machine oil filter screen installing zone, the notch of first mounting groove is towards the outside of right crankcase, mounting platform is oil pump mounting platform, and the machine oil case of engine passes through first oil circuit and first mounting groove intercommunication, and the delivery outlet setting of first oil circuit is in first mounting groove, and the second oil circuit setting is between first mounting groove and mounting platform, and the input port setting of second oil circuit is in first mounting groove, and the delivery outlet setting of second oil circuit is on mounting platform.
Furthermore, a right crankcase cover mounting surface is arranged on the side surface of the right crankcase, a cylinder body mounting surface is arranged on the top of the right crankcase, a seventh oil path is arranged on the right crankcase cover mounting surface, an input port of the seventh oil path is arranged on the cylinder body mounting surface, and an output port of the seventh oil path is arranged on the cylinder body mounting surface.
Further, the first mounting groove is formed in the bottom of the right crankcase, and the first oil path is an oil passing groove formed in the bottom edge of the right crankcase.
Furthermore, the output port of the first oil path is arranged on the side wall of the first mounting groove, and the output port of the second oil path is arranged at the bottom of the first mounting groove.
Furthermore, an internal thread is arranged at the notch of the first mounting groove.
By adopting the technical scheme, the notch of the first mounting groove for mounting the engine oil filter screen is arranged towards the outer side of the right crankcase, so that the engine oil filter screen can be conveniently dismounted from the outer side, and the engine oil filter screen can be conveniently cleaned and replaced. In addition, the right crankcase is specially and optimally arranged for the oil path of the engine oil, the oil is fed into the first mounting groove from the oil tank through the first oil path for filtering, then the oil is discharged through the second oil path and is input into the engine oil pump on the mounting platform, and the engine oil pump outputs the engine oil to other parts of the engine.
Drawings
FIG. 1 is a schematic view of a portion of a crankcase of a motorcycle engine.
FIG. 2 is a side schematic view of a crankcase portion of a motorcycle engine.
Fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.
Fig. 4 is a schematic cross-sectional view taken along line B-B in fig. 2.
Fig. 5 is a schematic cross-sectional view taken at C-C in fig. 2.
Fig. 6 is an exploded schematic view of the second filter mechanism.
FIG. 7 is an inside view of the right crankcase cover.
Fig. 8 is a first schematic view of a right crankcase.
Fig. 9 is an exploded schematic view of the oil pump.
Fig. 10 is a second schematic view of the right crankcase.
Detailed Description
The utility model is described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2, 3, 6 and 8, a two-stage filtering device applied to a motorcycle engine includes a right crankcase 1, a right crankcase cover 2 and an oil pump 3, the two-stage filtering device includes a first filtering mechanism 4 and a second filtering mechanism 5, and the oil pump 3, the first filtering mechanism 4 and the second filtering mechanism 5 together form an oil pump structure.
As shown in fig. 9, a mounting platform 6 is disposed on the right crankcase 1, the inner and outer rotor type oil pump 3 includes a bottom plate 7, a pump cover 8 disposed on the bottom plate 7, an inner rotor 9 disposed in the pump cover 8, an outer rotor 10 disposed in the pump cover 8, a rotating shaft 11 passing through an inner hole of the inner rotor 9, and a gear 12 sleeved on the rotating shaft 11, the gear 12 is disposed at one end of the rotating shaft 11 extending out of the bottom plate 7, and the bottom plate 7 is fixed on the mounting platform 6.
As shown in fig. 1 and 3, the first filter mechanism 4 is disposed on the right crankcase 1, and the oil tank of the engine is communicated with the input end of the first filter mechanism 4 through a first oil path 13, and in order to facilitate observation of the oil amount in the oil tank, an observation window 14 is disposed at the oil tank of the engine on the right crankcase cover 2. The output end of the first filtering mechanism 4 is communicated with the input end of the oil pump 3 through a second oil path 15, the first oil path 13 and the second oil path 15 are both arranged on the right crankcase 1, the output port of the second oil path 15 is arranged on the mounting platform 6, the input end of the oil pump 3 is arranged on the bottom plate 7, the input end of the oil pump 3 is in butt joint with the output port of the second oil path 15, and the output end of the oil pump 3 is arranged on the pump cover 8.
As shown in fig. 4, the second filter mechanism 5 is disposed on the right crankcase cover 2, the oil pump 3 is disposed on the inner side of the second filter mechanism 5 and fixed to the right crankcase 1, the output end of the oil pump 3 is communicated with the input end of the second filter mechanism 5 through a third oil passage 16 disposed on the right crankcase cover 2, specifically, a butt-joint groove 17 is disposed on the inner side of the right crankcase cover 2, an input port of the third oil passage 16 is disposed in the butt-joint groove 17, the output end of the oil pump 3 abuts against the butt-joint groove 17 and is in butt-joint with the input port of the third oil passage 16, and a third O-ring 18 is disposed between the output end of the oil pump 3 and the end face of the butt-joint groove 17.
As shown in fig. 5, 7 and 8, the output end of the second filter mechanism 5 is output through a fourth oil path 19 arranged on the right crankcase cover 2, the output end of the fourth oil path 19 is respectively communicated with a fifth oil path 20 and a sixth oil path 21, the fifth oil path 20 and the sixth oil path 21 are both arranged on the right crankcase cover 2, the output end of the fifth oil path 20 is communicated with a crankshaft mounting area 22, the crankshaft mounting area 22 is arranged on the inner side of the right crankcase cover 2, the output end of the sixth oil path 21 is communicated with a seventh oil path 23 on the right crankcase 1, the output end of the seventh oil path 23 is communicated with a cylinder oil supply channel of the engine, a right crankcase cover mounting surface 24 is arranged on the side surface of the right crankcase 1, a right crankcase mounting surface 25 is formed on the inner side surface of the right crankcase cover 2, when the right crankcase cover mounting surface 24 and the right crankcase mounting surface 25 are mounted, the output port of the sixth oil path 21 is arranged on the right crankcase mounting surface 25, an input port of the seventh oil passage 23 is provided on the right crankcase cover attachment surface 24, a cylinder block attachment surface 26 is provided on the top of the right crankcase 1, and an output port of the seventh oil passage 23 is provided on the cylinder block attachment surface 26.
As shown in fig. 3 and 10, the first filtering mechanism 4 includes a filtering net cover 27, a first O-ring 28, a filtering net spring 29 and an engine oil filtering net 30, a first installation groove 31 is provided on the outer side of the right crankcase 1, the first installation groove 31 is provided at the bottom of the right crankcase 1, the notch of the first installation groove 31 faces downward, the inner side of the first installation groove 31 is provided with an output port of the first oil path 13 and an input port of the second oil path 15, the output port of the first oil path 13 is provided on the side wall of the first installation groove 31, the first oil path 13 is an oil passing groove provided along the bottom edge of the right crankcase 1, the output port of the second oil path 15 is provided on the top of the first installation groove 31, the engine oil filtering net 30 is provided in the first installation groove 31 and the engine oil filtering net 30 is covered at the input port of the second oil path 15, the output port of the first oil path 13 is located on the outer side of the engine oil filtering net 30, an internal thread is provided at the notch of the first installation groove 31, filter screen cover 27 threaded connection is in the notch department of first mounting groove 31, filter screen spring 29 sets up between filter screen cover 27 and oil filter screen 30 and puts oil filter screen 30 pressure in second oil circuit 15 input department, oil filter screen 30 includes filter screen funnel 32 and sets up the flange 33 that outwards bulges at filter screen funnel 32 opening part, filter screen spring 29's top is supported and is leaned on flange 33, filter screen spring 29's bottom is laminated with filter screen cover 27's inboard mutually, first O type circle 28 sets up between filter screen cover 27's inboard terminal surface and the outer terminal surface of first mounting groove 31, play sealed effect. By adopting the first filtering mechanism 4 with the structure, when the engine oil filter screen 30 needs to be cleaned or replaced, the engine oil filter screen 30 can be taken down by directly screwing down the filter screen cover 27 from the outer side of the engine, the process is simple and quick, and the engine is prevented from being disassembled.
As shown in fig. 6, the second filter mechanism 5 includes an oil filter 35, a filter spring 36, a second O-ring 37 and a filter cover 38, a second mounting groove 39 is provided on the right crankcase cover 2, a notch of the second mounting groove 39 faces outward, an output port of the third oil passage 16 and an input port of the fourth oil passage 19 are provided in the second mounting groove 39, an output port of the third oil passage 16 is provided on a side wall of the second mounting groove 39, an input port of the fourth oil passage 19 is provided at a bottom of the second mounting groove 39, the oil filter 35 is provided in the second mounting groove 39, the oil filter 35 is covered at an input port of the fourth oil passage 19, a limit boss 40 is provided at a bottom of the second mounting groove 39, an input port of the fourth oil passage 19 is provided on the limit boss 40, the limit boss 40 is engaged with a groove on the oil filter 35 to limit the oil filter 35, the outlet of the third oil path 16 is arranged at the outer side of the oil filter 35, the filter cover 38 is detachably mounted at the groove of the second mounting groove 39, specifically, the outlet is connected by bolts 41, a plurality of bolt fixing hole positions are arranged at the periphery of the second mounting groove 39 at the outer side of the right crankcase 1, the filter spring 36 is arranged between the filter cover 38 and the oil filter 35 and presses the oil filter 35 at the inlet of the fourth oil path 19, and the second O-ring 37 is arranged between the inner side end surface of the filter cover 38 and the outer end surface of the second mounting groove 39. Adopt the second filtering mechanism 5 of this kind of structure, when oil cleaner 35 need wash or change, oil cleaner 35 can be taken off to direct oil cleaner 35 lid of unscrewing from the outside of engine, and the process is simple and easy swift, has also avoided dismantling the machine to the engine.
Adopt above-mentioned technical scheme, through setting up first filter mechanism 4 and second filter mechanism 5, machine oil in the machine oil case carries out the first filtration through first filter mechanism 4, then through oil pump 3 and second filter mechanism 5, carry out the second filtration through second filter mechanism 5, further improve the filter effect, machine oil after the filtration divides two ways, get into the bent axle in bent axle installing zone 22 all the way and lubricate the bent axle, during the engine cylinder body fuel feeding passageway of top is got into through seventh oil circuit 23 on the other hand, lubricate parts such as piston in the cylinder body.
In addition, a special oil circuit system is optimized for the secondary filtration of the engine oil, the first filtering mechanism 4 is arranged on the right crankcase 1, the second filtering mechanism 5 is arranged on the right crankcase cover 2, the engine oil pump 3 is arranged on the inner side of the crankcase cover, and the space position is reasonable and compact.
Secondly, first filter mechanism 4 and second filter mechanism 5 all set up the outside at the engine, can not demolish the dismantlement of engine oil filter 35 or oil filter screen 30, have improved the washing or the change efficiency of oil filter 35 or oil filter screen 30.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications, combinations and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A right crankcase, characterized in that: the engine oil filter screen mounting structure is characterized in that a first oil way, a first mounting groove, a second oil way and a mounting platform are arranged on the right crankcase, the first mounting groove forms an engine oil filter screen mounting area, a notch of the first mounting groove faces the outer side of the right crankcase, the mounting platform is an engine oil pump mounting platform, an engine oil tank of an engine is communicated with the first mounting groove through the first oil way, an output port of the first oil way is arranged in the first mounting groove, the second oil way is arranged between the first mounting groove and the mounting platform, an input port of the second oil way is arranged in the first mounting groove, and an output port of the second oil way is arranged on the mounting platform.
2. The right crankcase of claim 1, wherein: the side surface of the right crankcase is provided with a right crankcase cover mounting surface, the top of the right crankcase is provided with a cylinder body mounting surface, the right crankcase is provided with a seventh oil path, an input port of the seventh oil path is arranged on the right crankcase cover mounting surface, and an output port of the seventh oil path is arranged on the cylinder body mounting surface.
3. The right crankcase of claim 1, wherein: the first mounting groove is arranged at the bottom of the right crankcase, and the first oil way is an oil passing groove arranged along the bottom edge of the right crankcase.
4. The right crankcase of claim 1, wherein: the output port of the first oil way is arranged on the side wall of the first mounting groove, and the output port of the second oil way is arranged at the bottom of the first mounting groove.
5. The right crankcase of claim 1, wherein: and an internal thread is arranged at the notch of the first mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121588390.0U CN216617695U (en) | 2021-07-13 | 2021-07-13 | Right crankcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121588390.0U CN216617695U (en) | 2021-07-13 | 2021-07-13 | Right crankcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216617695U true CN216617695U (en) | 2022-05-27 |
Family
ID=81680822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121588390.0U Active CN216617695U (en) | 2021-07-13 | 2021-07-13 | Right crankcase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216617695U (en) |
-
2021
- 2021-07-13 CN CN202121588390.0U patent/CN216617695U/en active Active
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