Power lubricating system of hybrid motorcycle
By introducing an external oil circuit and oil filter into the lubrication system of hybrid motorcycles, the problem of complex lubrication circuit layout has been solved, resulting in reduced processing costs and a compact structure, thus promoting the miniaturization and weight reduction of motorcycles.
Patent Information
- Application Number
- CN202520504565.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The existing hybrid motorcycles have complex lubrication circuits, which are difficult to manufacture and costly, making them unsuitable for miniaturization and lightweight design.
It adopts an external oil circuit structure, using an external oil pipe to replace the long oil hole, combined with an oil filter and return oil circuit, to realize the recycling of oil and the filtration of impurities, simplifying the processing.
This reduces processing difficulty and cost, enabling a compact structure for the lubrication system and contributing to the miniaturization and weight reduction of hybrid motorcycles.
Smart Images

Figure CN223707741U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motorcycle lubrication technical field, concretely is a kind of power lubrication system of hybrid motorcycle. BACKGROUND
[0002] Motorcycle has the characteristics of miniaturization, light weight, flexibility and convenience, and has become an important choice for many people to travel. Due to the improvement of environmental awareness, the consideration of travel cost and other factors, the market share of hybrid motorcycles is increasing. When the motorcycle engine, gearbox and other components are working, the oil circuit needs to provide oil for lubrication, so as to reduce wear and heat, and ensure the normal operation of the motorcycle.
[0003] The existing lubricating oil circuit of hybrid motorcycle is generally arranged on the engine box and cylinder, and is molded together with the box and cylinder. This has the problems of complex oil circuit arrangement, more processing procedures, large size of castings, etc. When the oil circuit is long, the processing difficulty is high, the processing cost is high, and it is not conducive to the miniaturization and light weight design and development of the motorcycle. Therefore, the existing power lubrication system of hybrid motorcycle needs to be further improved. UTILITY MODEL CONTENTS
[0004] The utility model aims at making up for the above-mentioned deficiencies, and discloses a power lubrication system of hybrid motorcycle, which has reasonable structure, convenient processing and low processing cost.
[0005] The technical scheme of the utility model is realized as follows:
[0006] A power lubrication system of hybrid motorcycle, comprising a crankcase oil tank, the crankcase oil tank is connected with the main oil circuit through an oil pump, the main oil circuit is connected with a chain tensioner auxiliary oil circuit and a crankshaft auxiliary oil circuit, the chain tensioner auxiliary oil circuit comprises a tensioner oil circuit connected with the main oil circuit, and the tensioner oil circuit is connected with a guide rail oil groove opened on a chain guide rail; the crankshaft auxiliary oil circuit comprises a crankcase cover oil circuit arranged on a crankcase cover, and the crankcase cover oil circuit is connected with a crankshaft oil hole arranged on a crankshaft in the axial direction; the main oil circuit is connected with the crankcase cover oil circuit through an external oil circuit; and the external oil circuit comprises an external oil pipe.
[0007] Further optimization measures of the technical scheme are as follows:
[0008] As an improvement, the external oil pipe is provided with an oil pipe joint at both ends, and the oil pipe joint at one end is connected with the main oil circuit, and the oil pipe joint at the other end is connected with the crankcase cover oil circuit.
[0009] As an improvement, the oil pipe joint is provided with a bolt with a hole in the inside, and the hole is connected with the external oil pipe.
[0010] As improvement, the crankcase cover oil circuit is connected with a backflow oil circuit, and the backflow oil circuit is connected to the crankcase oil tank.
[0011] As improvement, the clutch is coaxially arranged on the crankshaft, and the radial oil hole is arranged on the crankshaft oil hole.
[0012] As improvement, the chain guide rail is arranged on both sides of the chain.
[0013] As improvement, the main oil circuit is provided with an oil filter screen.
[0014] The utility model discloses compared with prior art has the advantages of:
[0015] The utility model discloses a kind of power lubrication systems of hybrid motorcycle, reasonable structure, it is set by the setting of external oil circuit, utilizes external oil pipe structure to replace oil hole, avoids the processing of long oil hole, greatly reduces processing difficulty, can effectively reduce processing cost.Meanwhile, the structure of crankcase can be more compact, facilitate to realize the miniaturization, light weight of hybrid motorcycle. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structure schematic diagram of the utility model embodiment;
[0017] Figure 2 It is the structure schematic diagram of external oil circuit of the utility model embodiment;
[0018] Figure 3 It is the crankcase cover sectional structure of the utility model embodiment Figure 1 ;
[0019] Figure 4 It is Figure 3 A part enlarged view in;
[0020] Figure 5 It is the crankcase cover sectional structure of the utility model embodiment Figure 2 ;
[0021] Figure 6 It is Figure 5 B part enlarged view.
[0022] The name of each figure mark in the utility model drawings is:
[0023] Oil pump 1, main oil circuit 2, tensioner oil circuit 3, chain guide rail 4, guide rail oil groove 4a, chain 41, crankcase cover 5, crankcase cover oil circuit 5a, return oil circuit 5b, crankshaft 6, crankshaft oil hole 6a, radial oil hole 6b, external oil circuit 7, external oil pipe 71, oil pipe joint 72, clutch 8, oil filter screen 9. DETAILED DESCRIPTION
[0024] The utility model will be described in further detail below in combination with the drawings:
[0025] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be used in other implementation schemes, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.
[0026] Those skilled in the art should understand that in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of the simplified description of the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation on the utility model.
[0027] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.
[0028] As shown in Figures 1 to 6 A power lubrication system of a hybrid motorcycle, comprising a crankcase oil tank, the crankcase oil tank is communicated with a main oil circuit 2 through an oil pump 1, the main oil circuit 2 is connected with a chain tensioner auxiliary oil circuit and a crankshaft auxiliary oil circuit, the chain tensioner auxiliary oil circuit comprises a tensioner oil circuit 3 communicated with the main oil circuit 2, and the tensioner oil circuit 3 is communicated with a guide rail oil groove 4a arranged on a chain guide rail 4; the crankshaft auxiliary oil circuit comprises a crankcase cover oil circuit 5a arranged on a crankcase cover 5, and the crankcase cover oil circuit 5a is communicated with a crankshaft oil hole 6a arranged on a crankshaft 6 in the axial direction, the main oil circuit 2 is communicated with the crankcase cover oil circuit 5a through an external oil circuit 7, and the external oil circuit 7 comprises an external oil pipe 71.
[0029] The outer oil pipe 71 is provided with an oil pipe joint 72 at both ends, and the oil pipe joint 72 at one end is connected to the main oil way 2, and the oil pipe joint 72 at the other end is connected to the crankcase cover oil way 5a.
[0030] The oil pipe joint 72 is provided with a through hole in the inside, and the through hole is communicated with the outer oil pipe 71. The bolt is used as the oil pipe joint 72, and the connection is convenient and reliable. The through hole in the bolt is used as the oil flow channel, and the oil way is communicated with the outer oil pipe 71.
[0031] The crankcase cover oil way 5a is connected with a return oil way 5b, and the return oil way 5b is connected to the crankcase oil tank. The excess oil is returned to the crankcase oil tank under the action of gravity, so that the oil circulation is realized.
[0032] The clutch 8 is coaxially arranged on the crankshaft 6, and the radial oil hole 6b is arranged on the crankshaft oil hole 6a.
[0033] The chain guide rail 4 is arranged on both sides of the chain 41.
[0034] The main oil way 2 is provided with an oil filter screen 9. The impurities in the oil are filtered through the oil filter screen 9, so that the service life of the oil is prolonged.
[0035] The power lubricating system has the advantages of reasonable structure, the use of the outer oil way 7 and the outer oil pipe 71 structure to replace the oil hole, the avoidance of the machining of the long oil hole, the great reduction of the machining difficulty, the effective reduction of the machining cost, the compact structure of the crankcase, and the facilitation of the miniaturization and light weight of the hybrid motorcycle.
[0036] The power lubricating system mainly comprises the following parts:
[0037] Firstly, the oil in the crankcase oil tank lubricates the crankshaft 6.
[0038] Secondly, the oil in the crankcase oil tank flows into the chain tensioner auxiliary oil way through the main oil way 2 under the action of the oil pump 1, is sprayed into the guide rail oil groove 4a of the chain guide rail 4 through the tensioner nozzle, gradually lubricates the whole chain 41 along with the movement of the chain 41, and then drops back to the crankcase oil tank under the action of gravity.
[0039] Then, the oil in the crankcase oil tank flows into the crankshaft auxiliary oil way through the main oil way 2 under the action of the oil pump 1, lubricates the clutch 8 through the crankshaft oil hole 6a and the radial oil hole 6b, and then drops back to the crankcase oil tank under the action of gravity.
[0040] Finally, the excess oil in the crankcase cover oil way 5a flows back to the crankcase oil tank through the return oil way 5b.
[0041] The above merely describes preferred embodiments of the present application, and is not intended to limit the implementation and protection scope of the present application. For those skilled in the art, it should be understood that any equivalent substitutions and obvious changes made according to the content of the present application and drawings should be included in the protection scope of the present application.
Claims
1. A power lubrication system for a hybrid motorcycle, comprising a crankcase oil tank, said crankcase oil tank being connected to a main oil passage (2) via an oil pump (1), characterized in that: The main oil path (2) is connected with a chain tensioner auxiliary oil path and a crankshaft auxiliary oil path, the chain tensioner auxiliary oil path comprises a tensioner oil path (3) communicated with the main oil path (2), the tensioner oil path (3) is communicated with a guide rail oil groove (4a) opened on a chain guide rail (4); the crankshaft auxiliary oil path comprises a crankcase cover oil path (5a) arranged on a crankcase cover (5), the crankcase cover oil path (5a) is communicated with a crankshaft oil hole (6a) arranged axially on a crankshaft (6), the main oil path (2) is communicated with the crankcase cover oil path (5a) through an external oil path (7), and the external oil path (7) comprises an external oil pipe (71).
2. A hybrid motorcycle power lubrication system as claimed in claim 1, wherein: Both ends of the external oil pipe (71) are provided with oil pipe joints (72), one end of the oil pipe joint (72) is connected to the main oil path (2), and the other end of the oil pipe joint (72) is connected to the crankcase cover oil path (5a).
3. A hybrid motorcycle power lubrication system as claimed in claim 2, wherein: The oil pipe joint (72) is provided with a bolt with a through hole in the inside, and the through hole is communicated with the external oil pipe (71).
4. A hybrid motorcycle power lubrication system as claimed in claim 3, wherein: The crankcase cover oil path (5a) is connected with a return oil path (5b), and the return oil path (5b) is connected to a crankcase oil tank.
5. A hybrid motorcycle power lubrication system as claimed in claim 4, wherein: The crankshaft (6) is coaxially provided with a clutch (8), and the crankshaft oil hole (6a) is provided with a radial oil hole (6b).
6. A hybrid motorcycle power lubrication system as claimed in claim 5, wherein: The chain guide rail (4) is arranged on both sides of a chain (41).
7. A hybrid motorcycle power lubrication system as claimed in claim 6, wherein: The main oil path (2) is provided with an oil filter screen (9) in the inside.