CN101280703B - Lubricant oil road structure of motorcycle engine - Google Patents
Lubricant oil road structure of motorcycle engine Download PDFInfo
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- CN101280703B CN101280703B CN2008100697212A CN200810069721A CN101280703B CN 101280703 B CN101280703 B CN 101280703B CN 2008100697212 A CN2008100697212 A CN 2008100697212A CN 200810069721 A CN200810069721 A CN 200810069721A CN 101280703 B CN101280703 B CN 101280703B
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- right crankcase
- cover
- capping
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a lubricating path structure of motorcycle engine. After the oil path connecting with the secondary oil filter in the secondary oil filter cover-wall is forked, one oil path is communicated with the counter bored hole of the support crankshaft of a right crankcase cover through the oil path in the cover-wall, and another oil path is communicated with the oil-pipe joint arranged at an oil-pipe case cover through the oil path of the cover-wall passing through the right crankcase cover; the oil-pipe joint is connected with the external-set oil pipe. Another oil path passing through the oil path in the cover-wall is communicated with the oil groove arranged at the face of the case cover. The right crankcase cover surface is provided with oil paths formed by the covering of the oil grooves and the right crankcase cover through the oil-inlet hole. The down-stream of the oil groove of the right crank case goes through the through-hole of covering surface of the case cover and meets the opening of the oil path of a left crank case and is communicated with the assembly holes of the bearings of the case gear-shifting mechanism. The lubricating path structure of the invention, by adopting the ingenious arrangement of combining the internal and external lubricating paths, not only ensures the compact structure of the crank case, and simplifies the difficulty in process, but also saves manufacture material of relevant parts and reduces production cost, decreases engine weight and guarantees the actual power of engine.
Description
Technical field
The present invention relates to a kind of motorcycle engine, particularly a kind of lubricant oil road structure of motorcycle engine.
Background technique
The oil leab of motorcycle engine in the past adopts copper pipe to be transported to each lubricant housings fully, thisly be exposed to outside the motor by the joining oil duct of copper pipe, and tie point is many, and in carrying or when using motor, oil pipe is bruised easily, causes oil leak.Subsequently, people are bruised for avoiding oil pipe, by wall internal drilling oil leab is set at the crankcase of motor, crankcase cover, cylinder block, cylinder head, solved the problem that oil pipe is bruised leakage of oil, yet internal structure complexity because of crankcase, crankcase cover, cylinder block, cylinder head, shape is special, process the oil duct of the formation bending that can be interconnected thereon by multi-angle, multi-direction boring, it is again complicated course of working, manufacturing procedure is many, difficulty of processing is big, and processing cost increases.And owing to will get out oil channel hole on the wall of crankcase, crankcase cover, cylinder block, these parts of cylinder head, just must leave the thickness that oil duct can be set, so just must increase crankcase, crankcase cover, cylinder block, the first-class wall thickness of cylinder, cause their volume and weight to increase thus, weaken the useful horsepower of motor, be unfavorable for the light-weighted development trend of motor; Simultaneously, increased cost of material because volume and weight increases to have, under the market situation that the metallic material price rapidly rises, causing manufacturing cost of production to strengthen can't reduce, and has increased enterprise and user's cost burden thus.
Summary of the invention
The objective of the invention is deficiency, a kind of lubricant oil road structure of motorcycle engine is provided at the prior art existence.It puts the ingenious layout that oil leab combines by inside and outside, has both guaranteed the crankcase body compact structure, has simplified the difficulty of processing and fabricating, can reduce the Manufacturing material and the cost of production of associated components again, reduces engine weight, guarantees the useful horsepower of motor.
The object of the present invention is achieved like this: the filter thin oil lid is installed in right crankcase and covers, behind the oil duct fork of the connection filter thin oil that is provided with in the filter thin oil tegmental wall, the oil duct of built-in oil circuit in this tegmental wall that is used for lubricated linkage mechanism is communicated with the counterbore of the support bent axle of right crankcase cover; The oil circuit that is used for lubricated distribution device is communicated with the oil connection that is provided with on this case lid by filter thin oil tegmental wall internal oil channel through right crankcase cover, and oil connection connects with the external oil pipe that is connected cylinder head, is external oil circuit; The built-in oil circuit that is used for lubricated gear is through filter thin oil tegmental wall internal oil channel, from being arranged on the oil inlet hole of right crankcase cover, the oil groove that is provided with on the capping that closes that is communicated with right crankcase cover, oil inlet hole is positioned at the upstream extremity that closes the capping finishing bathtray of right crankcase cover, closing of right crankcase is provided with oil groove on the capping, this oil groove and right crankcase cover the back and form oil duct, the downstream setting of the oil groove of right crankcase is through to the through hole of casing mould assembling face, the bearing mounting hole that oil duct is communicated in the gear on the casing is set in the left crankcase wall, the upstream orifice of oil duct is positioned at mould assembling face, and the through hole of butt joint right crankcase mould assembling face.
Owing to adopted such scheme, behind the oil duct fork of the connection filter thin oil that is provided with in the filter thin oil tegmental wall, the one tunnel is used for lubricated linkage mechanism, is built-in oil circuit, and the oil duct in this tegmental wall is communicated with the counterbore of the support bent axle of right crankcase cover.This route is short in the path that is located at the filter thin oil lid and be located in the right crankcase cover, is convenient to machining, so cover the employing machined holes at filter thin oil lid and right crankcase.One the tunnel is used for lubricated distribution device, and this route filter thin oil tegmental wall internal oil channel is communicated with the oil connection that is provided with on this case lid through right crankcase cover, and oil connection connects with the external oil pipe that is connected cylinder head, is external oil circuit.This road is short in the path on filter thin oil lid and right crankcase cover top, adopts machined holes equally.And this road is to the path length of cylinder head part, for avoiding on cylinder block and cylinder head wall, oil duct being set, so adopt external oil duct, carry lubricant oil by oil pipe, so both can avoid difficulty, can reduce the wall thickness of cylinder block and cylinder head again, reduce weight and volume at cylinder block and cylinder head processing oil duct, can also make lubricant oil not from the cylinder block and the cylinder head process of extreme temperatures, can keep suitable oil temperature.One the tunnel is used for lubricated gear, be built-in oil circuit, through filter thin oil tegmental wall internal oil channel, from being arranged on the oil inlet hole of right crankcase cover, be communicated with the oil groove that is provided with on the capping that closes of right crankcase cover, closing of right crankcase is provided with oil groove on the capping, and this oil groove and right crankcase cover the back and form oil duct, dock the oil duct that is provided with in the left crankcase wall by through hole then, be communicated in the bearing pilot hole of the gear on the casing.Because this road is more than length and bending part in the path of crankcase cover and casing, oil duct adopts the machined holes difficulty bigger, so adopt and oil groove be set on the capping closing of right crankcase cover and right crankcase, form oil duct by closing lid, so just can be when casting crankshaft case lid and crankcase, oil groove cast form is simultaneously being closed on the capping, both avoided adopting machining to make the manufacture difficulty of oil duct, can make oil groove along the wide curved arrangement of the rib of crankcase cover and crankcase again, can also reduce the Manufacturing material of crankcase cover and crankcase.In order to make oil groove more reasonable in the layout of closing on the capping of right crankcase cover and right crankcase, the oil groove that right crankcase is covered is designed to than the weak point of the oil groove on the right crankcase, the upstream portion of the oil groove on the corresponding right crankcase of the oil groove that right crankcase covers.At the vulnerable area of right crankcase cover oil groove is set with regard to having avoided like this, and need not increases the wall thickness of this part, realize the purpose of weight reduction, economical with materials; Such structure can also be used in the sectional area of the sectional area of the oil circuit upstream portion of lubricating gear greater than the downstream simultaneously, makes the lubricant oil of upstream portion fully saturated, is that enough oil masses are supplied with in the downstream.
The invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the partial structurtes schematic representation of right crankcase cover of the present invention;
Fig. 2 is the partial structurtes schematic representation of right crankcase of the present invention;
Fig. 3 be among Fig. 1 J-J to sectional drawing;
Fig. 4 is the partial structurtes schematic representation of left crankcase of the present invention.
In the accompanying drawing, 1 is the filter thin oil lid, and 1a is an oil duct, and 1b is an oil duct, 1c is an oil duct, and 2 is left crankcase, and 2a is a upstream orifice, and 2b is an oil duct, 2c is the main shaft bearing pilot hole, and 2d is the counter shaft bearing pilot hole, and 3 is filter thin oil, and 4 is right crankcase, 4a is a through hole, and 4b is an oil groove, and 5 is right crankcase cover, 5a is an oil inlet hole, and 5b is an oil groove, and 5c is for supporting the counterbore of bent axle, 5d is the filter thin oil installation room, and 6 is oil connection, and 7 is oil pipe.
Embodiment
Referring to Fig. 1 to Fig. 4, be a preferred embodiment of the present invention.Form filter thin oil installation room 5d on the right crankcase cover 5 of motorcycle engine, filter thin oil 3 is installed among the filter thin oil installation room 5d, and filter thin oil lid 1 is installed in by bolt and covers filter thin oil 3 on the right crankcase cover 5.Described filter thin oil covers and is provided with the oil duct 1c that connects filter thin oil in 1 wall, after connecting the oil duct 1c fork of filter thin oil, one the tunnel is used for lubricated linkage mechanism, this oil circuit that is used for lubricated linkage mechanism is made as built-in oil circuit, the oil duct 1b of this oil circuit in filter thin oil builds 1 wall is communicated with the counterbore 5c of the support bent axle of right crankcase cover 5, linked to each other by the oilhole that is communicated with linkage mechanism on this counterbore 5c that supports bent axle and the bent axle.After connecting the oil duct 1c fork of filter thin oil, cover the oil duct 1a that is provided with in 1 wall by filter thin oil and be communicated with the oil circuit that is used for lubricated distribution device and be communicated with the oil circuit that is used for lubricated gear.Be communicated with the oil circuit that is used for lubricated distribution device and cover 1 wall internal oil channel 1a by filter thin oil, the hole that is provided with in right crankcase cover 5 walls is communicated with the oil connection 6 that this case lid is provided with, this oil connection 6 can be that integrally casting is formed on the right crankcase cover 5, also can be that employing is threaded or interference fit is fastened on the right crankcase cover 5, oil connection 6 connects with the external oil pipe 7 that is connected cylinder head, oil pipe 7 is connected and fixed by screw-thread fit and oil connection 6, the other end of oil pipe 7 is connected by the oil duct that is provided with on screw-thread fit and the cylinder head, the position of oil pipe 7 is positioned at the horizontal projection scope of engine body, make near the parts of motor can not collide oil pipe 7, guarantee that oil pipe is injury-free.The external oil circuit of oil circuit that is used for lubricated distribution device is mainly by tubing transmission machine oil.Be communicated with the oil duct 1a that the built-in oil circuit be used for lubricated gear is provided with in filter thin oil builds 1 wall, by the hole that is provided with in right crankcase cover 5 walls, the oil groove 5b that capping is provided with that closes that is communicated with right crankcase cover 5 from the oil inlet hole 5a that is arranged on right crankcase cover 5, oil inlet hole 5a is positioned at the upstream extremity that closes capping finishing bathtray 5b of right crankcase cover 5, closing of right crankcase 4 is provided with oil groove 4b on the capping, this oil groove 4b and right crankcase cover 5 close the lid back and form oil duct, the downstream setting of the oil groove 4b of right crankcase 4 is through to the through hole 4a of casing mould assembling face, the bearing pilot hole that oil duct 2b is communicated in the gear on the casing is set in left crankcase 2 walls, the downstream of this oil duct 2b respectively be located at casing on gear main shaft bearing pilot hole 2c and counter shaft bearing pilot hole 2d be communicated with, the upstream orifice 2a of oil duct 2b is positioned at mould assembling face, and the through hole 4a of butt joint right crankcase 4 mould assembling faces.Described right crankcase cover 5 closes the oil groove 5b that is provided with on the capping and closes the oil groove 4b weak point that is provided with on the capping than right crankcase 4, be approximately right crankcase 4 and close 1/3～2/5 of oil groove 4b on the capping, the upstream portion of the oil groove 4b on the corresponding right crankcase 4 of the oil groove 5b on the right crankcase cover 5; Described right crankcase cover 5 closes oil groove 5b on the capping and right crankcase 4 and closes oil groove 4b on the capping and be along closing the wide crooked shape of capping rib, and right crankcase 4 closes capping finishing bathtray 4b and right crankcase cover 5, and to close one section the curved shape that capping finishing bathtray 5b closes up corresponding.The oil groove 5b that described right crankcase cover 5 closes on the capping is the groove that is shaped when casting right crankcase cover 5, the oil groove 4b that right crankcase 4 closes on the capping is the groove that is shaped when casting right crankcase 4, so both can save the material of making casing, case lid, can save the processing charges of machined holes on casing, case lid again, especially avoid the difficulty of processing on crankcase body, case lid machining slotted hole or crooked hole.
Adopt said structure, the relatively long big oil duct of machining difficulty to bending, employing is cast as the mode of groove shapes, be arranged in the closing on the capping of crankcase cover and crankcase, with crankcase cover and crankcase close lid after, groove just closes up the oil duct that forms encapsulation, can either avoid adopting the difficulty of machining drilling, again can economical with materials.To the oil duct that must pass from cylinder block and cylinder head in the past, adopt the mode of external oil pipe, be connected between crankcase cover and the cylinder head, can save the position of arranging oil duct on cylinder block and the cylinder head, make the structure of cylinder block and cylinder head compact more, weight saving, economical with materials cost.
During engine operation, the machine oil of lubricate enters filter thin oil by oil pump pressure, filter the oil duct that the back is provided with from the filter thin oil lid through filter thin oil, respectively input be used for lubricated linkage mechanism oil circuit, be used for lubricated distribution device oil circuit, be used for the oil circuit of lubricated gear, and be transported to each mechanism from these oil circuits and bear lubrication.
Claims (6)
1. the lubricant oil road structure of a motorcycle engine, the filter thin oil lid is installed in right crankcase and covers, behind the oil duct fork of the connection filter thin oil that is provided with in the filter thin oil tegmental wall, the oil duct of built-in oil circuit in this tegmental wall that is used for lubricated linkage mechanism is communicated with the counterbore of the support bent axle of right crankcase cover; It is characterized in that: the oil circuit that is used for lubricated distribution device is communicated with the oil connection that is provided with on this case lid by the oil duct in the filter thin oil tegmental wall through right crankcase cover, and oil connection connects with the external oil pipe that is connected cylinder head, is external oil circuit; The oil duct of built-in oil circuit in the filter thin oil tegmental wall that is used for lubricated gear, from being arranged on the oil inlet hole of right crankcase cover, the oil groove that is provided with on the capping that closes that is communicated with right crankcase cover, oil inlet hole is positioned at the upstream extremity that closes the capping finishing bathtray of right crankcase cover, closing of right crankcase is provided with oil groove on the capping, this oil groove and right crankcase cover the back and form oil duct, the downstream setting of closing the oil groove on the capping of right crankcase is through to the through hole of casing mould assembling face, the bearing pilot hole that oil duct is communicated in the gear on the casing is set in the left crankcase wall, the upstream orifice of the oil duct that is provided with in the left crankcase wall is positioned at the mould assembling face of left crankcase, and the through hole of butt joint right crankcase mould assembling face.
2. the lubricant oil road structure of motorcycle engine according to claim 1, it is characterized in that: described right crankcase covers the oil groove that is provided with on the capping and closes the oil groove weak point that is provided with on the capping than right crankcase, the upstream portion of the oil groove on the corresponding right crankcase of the oil groove that right crankcase covers.
3. the lubricant oil road structure of motorcycle engine according to claim 1 and 2 is characterized in that: described right crankcase cover oil groove on the capping be right crankcase close oil groove on the capping 1/3～2/5.
3. the lubricant oil road structure of motorcycle engine according to claim 1 and 2 is characterized in that: described right crankcase covers the oil groove that oil groove on the capping and right crankcase close on the capping and is curved shape.
4. the lubricant oil road structure of motorcycle engine according to claim 3 is characterized in that: described right crankcase closes capping finishing bathtray and right crankcase, and to cover one section the curved shape that the capping finishing bathtray closes up corresponding.
5. the lubricant oil road structure of motorcycle engine according to claim 1 and 2, it is characterized in that: the oil groove that described right crankcase covers on the capping is the groove that is shaped when casting right crankcase cover, and the oil groove that right crankcase closes on the capping is the groove that is shaped when casting right crankcase.
6. the lubricant oil road structure of motorcycle engine according to claim 1 is characterized in that: the oil duct downstream that is provided with in the described left crankcase wall is communicated in gear main shaft bearing pilot hole and the counter shaft bearing pilot hole on the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100697212A CN101280703B (en) | 2008-05-22 | 2008-05-22 | Lubricant oil road structure of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100697212A CN101280703B (en) | 2008-05-22 | 2008-05-22 | Lubricant oil road structure of motorcycle engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101280703A CN101280703A (en) | 2008-10-08 |
| CN101280703B true CN101280703B (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100697212A Active CN101280703B (en) | 2008-05-22 | 2008-05-22 | Lubricant oil road structure of motorcycle engine |
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| CN (1) | CN101280703B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509406B (en) * | 2009-03-25 | 2010-12-08 | 重庆隆鑫机车有限公司 | Full-filtration type external filter element oil path of motorcycle engine |
| CN101846172B (en) * | 2010-05-20 | 2012-12-26 | 沃德(天津)传动有限公司 | Upper end cover, lubrication system and vertical reducer |
| CN107165737A (en) * | 2017-07-13 | 2017-09-15 | 广西玉柴机器股份有限公司 | Gear lubrication oil circuit |
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2008
- 2008-05-22 CN CN2008100697212A patent/CN101280703B/en active Active
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| CN101280703A (en) | 2008-10-08 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING LONGXIN LOCOMOTIVE CO., LTD. Free format text: FORMER OWNER: LONGXIN INDUSTRIAL CO., LTD. Effective date: 20091002 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20091002 Address after: Chongqing Nanping City Economic and Technological Development Zone LONCIN Industrial Park Post encoding: 400060 Applicant after: Chongqing Longxin Engine Co., Ltd. Address before: LONCIN Industrial Park, Baihe Industrial Zone, Chongqing economic and Technological Development Zone, China: 400060 Applicant before: Loncin Industry Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing Longxin Engine Ltd. Assignor: Chongqing Longxin Engine Co., Ltd. Contract record no.: 2012500000045 Denomination of invention: Lubricant oil road structure of motorcycle engine Granted publication date: 20110706 License type: Exclusive License Open date: 20081008 Record date: 20120508 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20081008 Assignee: Chongqing Longxin Engine Ltd. Assignor: Chongqing Longxin Engine Co., Ltd. Contract record no.: 2012500000045 Denomination of invention: Lubricant oil road structure of motorcycle engine Granted publication date: 20110706 License type: Exclusive License Record date: 20120508 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |