CN218266059U

CN218266059U - Engine and motorcycle

Info

Publication number: CN218266059U
Application number: CN202222102248.1U
Authority: CN
Inventors: 韩超博; 张云周; 劳荣达
Original assignee: Jiangmen Dachangjiang Group Co Ltd
Current assignee: Jiangmen Dachangjiang Group Co Ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-01-10
Anticipated expiration: 2032-08-10

Abstract

The utility model relates to a motorcycle accessories technical field discloses an engine, it has the defeated oil pipe way that is used for transmitting machine oil, defeated oil pipe way is including locating the first oil duct on the crankcase and locating the second oil duct on the cylinder, and the oil inlet of first oil duct is linked together with the centre bore of bent axle bearing frame, and the oil-out of first oil duct is linked together with the oil inlet of second oil duct, and the second oil duct extends to the crankcase from the cylinder, and the oil-out of second oil duct is located the faying face of cylinder. The engine can convey engine oil from the crankcase to the cylinder through a short path without increasing machining processes and special elements, the arrangement of the first oil passage and the second oil passage is not influenced by relevant dimensions such as the cylinder diameter and the water jacket width, and the engine is simple and reliable in structure and excellent in using effect. The utility model also provides a motorcycle, the same advantage that has arranging of oil duct and not influenced by cylinder diameter, bent axle span, water jacket width etc. motorcycle compact structure, lightweight are effectual.

Description

Engine and motorcycle

Technical Field

The utility model relates to a motorcycle accessories field especially relates to an engine and including its motorcycle.

Background

The lubricating system is used as an important component of the motorcycle engine and has a significant influence on whether the motorcycle can be normally used or not. For a motorcycle engine, a cylinder head is a structure with densely arranged high-speed moving mechanisms, and lubricating and cooling are performed through engine oil, which is an important guarantee for ensuring the performance of the engine, so that the design of an oil passage of the cylinder head of the engine is an important content of the design of the motorcycle engine. However, in the design process, due to the limitation of the related dimensions such as the cylinder diameter and the water jacket width, the communication of the oil passage on the cylinder head often needs to form a plurality of angle-deflection oblique processing or increase an oil passage at the joint surface in production, so that the joint surface is widened, the design difficulty is increased, the size of the engine is increased, and the miniaturization and the light weight of the engine are not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing an engine that contains unique oil duct design, it has advantages such as structural design is ingenious, simple reliable, the oil delivery effect is outstanding.

Based on this, the utility model provides an engine, including oil pan, oil pump, oil cleaner and the defeated oil pipeline that is used for transmitting machine oil, defeated oil pipeline is including locating the first oil duct on the crankcase and locating the second oil duct on the cylinder, the oil inlet of first oil duct is linked together with the centre bore of bent axle bearing frame, the oil-out of first oil duct with the oil inlet of second oil duct is linked together, the second oil duct is followed the cylinder extends to the crankcase, the cylinder includes cylinder body and cylinder head, the oil-out of second oil duct is located the cylinder body with on the faying face of cylinder head.

In some embodiments of the present application, the first oil passage is located inside the crankcase, the second oil passage is located outside the cylinder, the first oil passage and the second oil passage are located in different planes, respectively, and an oil outlet of the first oil passage is communicated with an oil inlet of the second oil passage through a transition oil passage.

In some embodiments of this application, the transition oil duct is close to the one end of second oil duct extends outwards outside the crankcase, be equipped with on the crankcase with the diameter assorted fastening bolt of transition oil duct, fastening bolt wears to locate in the transition oil duct, be used for the shutoff the transition oil duct.

Some embodiments of the present application include a timing chain tensioner, the fastening bolt further for securing the timing chain tensioner.

In some embodiments of the present application, the oil pump center is located rearward and below the crankshaft center.

In some embodiments of the present application, an angle between a line connecting the oil pump center and the crankshaft center and a perpendicular line to a crankcase assembling surface is less than 30 °.

In some embodiments of the present application, the suction port and the discharge port of the oil pump are located on both sides of the crankshaft bearing assembling bolt.

In some embodiments of this application, be equipped with the water pump in the engine, oil cleaner locates the below of water pump.

In some embodiments of the present application, the oil filter is located between a right bearing seat and a middle bearing seat of the crankshaft.

Another object of the present application is to provide a motorcycle, characterized by comprising the engine described above.

The embodiment of the utility model provides an engine, compared with the prior art, its beneficial effect lies in:

the utility model provides an engine, it has the defeated oil pipe way that is used for transmitting machine oil, particularly, defeated oil pipe way includes along the first oil duct that the crankcase edge set up and along the second oil duct that the cylinder edge set up, and the oil inlet of first oil duct is linked together with the centre bore of crankshaft bearing seat, and the oil-out of first oil duct is linked together with the oil inlet of second oil duct, and the second oil duct extends to the crankcase from the cylinder, and the oil-out of second oil duct is located the faying face of cylinder. Based on the structure, the first oil duct and the second oil duct are directly machined along the edges of the crankcase and the cylinder, the influence of relevant sizes such as the cylinder diameter, the water jacket width and the like on the arrangement of the oil ducts in the conventional design can be effectively avoided, the first oil duct and the second oil duct can be designed into straight line pipelines which are inclined upwards relative to the horizontal plane, the straight line pipelines of the first oil duct and the second oil duct are designed to avoid multi-angle deflection oblique machining, the first oil duct and the second oil duct form a certain angle, an oil inlet of the first oil duct is communicated with a central hole of a crankshaft bearing seat, an oil outlet of the second oil duct is positioned on a joint surface of the cylinder, the first oil duct and the second oil duct can convey engine oil from the crankcase to the cylinder through a shorter path, machining procedures are not increased in the structural design, special elements are not increased in use, the structural compactness of the engine structure is guaranteed while the transmission of the engine oil is completed, and the miniaturization and the lightweight of the engine are facilitated.

In addition, the utility model also provides a motorcycle, because it has adopted foretell engine, consequently the same advantage that has the arrangement of oil duct and not influenced by cylinder diameter, bent axle span, water jacket width etc. does not increase processing technology and special component, and motorcycle compact structure, lightweight are effectual.

Drawings

Fig. 1 is a first structural schematic diagram of an oil pipeline according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of an oil pipeline according to an embodiment of the present invention;

FIG. 3 is a detail view at A in FIG. 2;

fig. 4 is a third schematic structural diagram of an oil pipeline according to an embodiment of the present invention.

In the figure, 1, crankcase; 2. a cylinder; 3. a first oil passage; 4. a second oil passage; 5. a transition oil passage; 6. fastening a bolt; 7. a timing chain tensioner.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

It should be understood that the present invention uses the terms "front", "back", etc. to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "front" information may also be referred to as "back" information, and "back" information may also be referred to as "front" information without departing from the scope of the present invention.

As shown in fig. 1 to 4, an embodiment of the present invention provides an engine with an integrated cylinder casing, which includes an oil pan, an oil pump, an oil filter and an oil pipeline for transferring oil. Specifically, the engine oil is sucked from the bottom of the oil pan through the engine oil pump and then pressurized, and is pumped to the oil filter through a guide passage (oil delivery pipeline) formed inside the crankcase, and flows to each part needing lubrication after being filtered by the oil filter, so that lubrication of each part is realized, and normal operation of the engine is ensured. The oil conveying pipeline comprises a first oil duct 3 arranged on the crankcase 1 and a second oil duct 4 arranged on the cylinder 2, an oil inlet of the first oil duct 3 is communicated with a center hole of a crankshaft bearing seat, an oil outlet of the first oil duct 3 is communicated with an oil inlet of the second oil duct 4, the second oil duct 4 extends to the crankcase 1 from the cylinder 2, the cylinder 2 comprises a cylinder body and a cylinder head, and an oil outlet of the second oil duct 4 is located on a combining surface of the cylinder body and the cylinder head.

Based on the structure, the first oil duct 3 and the second oil duct 4 are directly processed along the edges of the crankcase 1 and the cylinder 2, so that the influence of related dimensions such as the cylinder diameter, the water jacket width and the like on the arrangement of the oil ducts in the conventional design can be effectively avoided, just as the same is true, the first oil duct 3 and the second oil duct 4 can be set into straight-line pipelines which are inclined upwards relative to the horizontal plane, the straight-line pipelines of the first oil duct 3 and the second oil duct 4 are designed to avoid multi-angle deflection oblique processing, the first oil duct 3 and the second oil duct 4 form a certain angle, an oil inlet of the first oil duct 3 is communicated with a central hole of a crankshaft bearing seat, an oil outlet of the second oil duct 4 is positioned on a joint surface of the cylinder 2, the first oil duct 3 and the second oil duct 4 can convey engine oil from the crankcase 1 to the cylinder 2 through a shorter path, no processing procedure is added on the structural design, no special element is added on use, the transmission of the engine oil is completed, the compact structure of the engine is ensured, and the miniaturization and the light weight of the engine is facilitated. When the lubricating passage is not arranged in front of the oil pump, the length of the engine in the front-rear direction is not lengthened, the whole size and weight of the engine are not increased, and the engine is light in weight.

Furthermore, the end face of the lubricating passage is not higher than the sealing surface of the oil pump, the machining depth is deep, the difficulty of drilling machining is increased, the passage on the oil pump cover is smaller than the passage on the box body, and the function of the oil pump is not affected by avoiding a plug.

Furthermore, the taper angle left by the drilled hole is subjected to complementary processing at the intersection of the first oil passage and the second oil passage, so that the oil passages are communicated more smoothly, the generation of turbulence of engine oil is reduced, the temperature of oil pressure and flow speed is ensured, and the mechanical loss is reduced; the pressure regulating valve is arranged at the intersection of the oil passages, and has the functions of pressure stabilization and oil blocking. The design structure is simpler, and the cost is lower.

In addition, the pressure regulating valve is far away from the oil filter, so that the oil path of the pressure stabilizing section is longer, the oil pressure before the oil enters the oil filter is more stable, and the damage of oil pressure fluctuation to a paper filter screen of the oil filter is favorably reduced.

Furthermore, in order to improve the continuity of the second oil passage 4, the cylinder 2 and the crankcase 1 are integrated, and the design also further improves the structural compactness of the engine, thereby being beneficial to the miniaturization and the light weight of the engine.

Further, in some embodiments of the present application, the first oil passage 3 is located inside the crankcase 1, and the second oil passage 4 is located outside the cylinder 2, that is, the first oil passage 3 and the second oil passage 4 are located in different planes, at this time, in order to ensure that the first oil passage 3 and the second oil passage 4 are smoothly communicated with each other, a transition oil passage 5 is provided on the crankcase 1, and an oil outlet of the first oil passage 3 and an oil inlet of the second oil passage 4 are respectively communicated with the transition oil passage 5. The arrangement of the transition oil passage 5 further reduces the design requirements of the first oil passage 3 and the second oil passage 4, and the corresponding arrangement range of the first oil passage 3 and the second oil passage 4 is widened. Specifically, in the embodiment of the utility model provides an in, transition oil duct 5 level sets up and is perpendicular to first oil duct 3 and second oil duct 4 respectively, and the transition oil duct 5 that the level set up can freely adjust according to the setting position of first oil duct 3 and second oil duct 4 and set up length and set up the direction in order to guarantee the intercommunication of first oil duct 3 and second oil duct 4, and simple structure is reliable, the intercommunication effect is outstanding.

Further, as for the transition oil passage 5 of the present application, an end thereof near the second oil passage 4 extends outward to the outside of the crankcase 1 to form an opening. Based on above-mentioned structure, operating personnel accessible transition oil duct 5's opening is emitted the machine oil in the oil duct fast, or sets up maintenance equipment through the opening in to first oil duct 3 and the second oil duct 4, is convenient for subsequent maintenance and maintenance.

Meanwhile, it should be noted that in order to ensure normal use of the transition oil passage 5, a plug must be provided to plug the opening of the transition oil passage 5. Specifically, the embodiment of the utility model provides an in, be equipped with on the crankcase 1 with transition oil duct 5 assorted fastening bolt 6, fastening bolt 6 wears to locate and is used for shutoff transition oil duct 5 in transition oil duct 5. Furthermore, the fastening bolt 6 can adjust the diameter and the length of the stud according to actual conditions while ensuring the plugging effect on the transition oil duct 5. At this time, the space of the transition oil passage 5 is changed along with the adjustment of the diameter and the length of the stud, so that the flow rate of the engine oil in the pipeline is influenced, and the adjustment of the flow rate of the engine oil can be realized.

Further, in some embodiments of the present application, the engine further includes a timing chain tensioner 7, and the fastening bolt 6 for blocking the transition oil passage 5 can also be used as a fastening member for the timing chain tensioner 7, the timing chain tensioner 7 is fixed on the side of the crankcase 1, and the fastening bolt 6 fixes the timing chain tensioner 7.

Optionally, in some embodiments of the present application, the engine includes a crankshaft (not shown) and an oil pump (not shown), and the oil pump is centered behind and below the crankshaft; further, in some embodiments of the present application, an included angle between a connecting line of the oil pump center and the crankshaft center and a perpendicular line of a mold assembling surface of the crankcase 1 is less than 30 °, and a suction port and a discharge port of the oil pump are located on two sides of a mold assembling bolt of the crankshaft bearing. Based on the structure, the arrangement mode of the prior art is changed by adjusting the arrangement positions of the oil pump and the crankshaft, the structural compactness of the engine is further improved, the space can be saved for arrangement of other structures, and the light weight and miniaturization of the engine and the motorcycle are facilitated.

Optionally, in some embodiments of the present application, the engine further includes an oil filter (not shown), and the oil filter is disposed below the water pump based on design considerations of compactness, light weight and miniaturization of the engine, and further, in some embodiments of the present application, the oil filter is located between the right bearing seat and the middle bearing seat of the crankshaft. Further, for the oil filter of the present application, the oil filter is communicated with the oil pump through a connecting pipe, and can receive the oil transmitted in the oil pump, filter the oil and transmit the filtered oil to various parts in the engine.

To sum up, the utility model provides an engine, it has the defeated oil pipe way that is used for transmitting machine oil, and defeated oil pipe way includes along the first oil duct that the crankcase edge set up and along the second oil duct that the cylinder edge set up, and the oil inlet of first oil duct is linked together with the centre bore of bent axle bearing frame, and the oil-out of first oil duct is linked together with the oil inlet of second oil duct, and the second oil duct extends to the crankcase from the cylinder, and the oil-out of second oil duct is located the faying face of cylinder. Compared with the prior art, the engine can convey the engine oil from the crankcase to the cylinder through a shorter path without increasing machining processes and special elements, the arrangement of the first oil passage and the second oil passage is not influenced by relevant dimensions such as the cylinder diameter and the water jacket width, the structure is simple and reliable, and the using effect is excellent.

In addition, the utility model also provides a motorcycle, it has adopted foretell engine, consequently has the same advantage that the arrangement of oil duct is not influenced by cylinder diameter, bent axle span, water jacket width etc. does not increase processing technology, does not increase special component in the use, and motorcycle compact structure, lightweight are effectual.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The engine is characterized by comprising an oil conveying pipeline for transmitting engine oil, an oil pan, an oil pump and an oil filter, wherein the oil pan, the oil pump and the oil filter are sequentially connected through the oil conveying pipeline, the oil conveying pipeline comprises a first oil duct arranged on a crankcase and a second oil duct arranged on an air cylinder, an oil inlet of the first oil duct is communicated with a central hole of a crankshaft bearing seat, an oil outlet of the first oil duct is communicated with an oil inlet of the second oil duct, the second oil duct extends from the air cylinder to the crankcase, the air cylinder comprises a cylinder body and a cylinder head, and an oil outlet of the second oil duct is located on a joint surface of the cylinder body and the cylinder head.

2. The engine of claim 1, wherein the first oil passage is located on an inner side of the crankcase, the second oil passage is located on an outer side of the cylinder, the first oil passage and the second oil passage are respectively located on different planes, and an oil outlet of the first oil passage is communicated with an oil inlet of the second oil passage through a transition oil passage.

3. The engine according to claim 2, characterized in that one end of the transition oil passage close to the second oil passage extends outward to the outside of the crankcase, and the crankcase is provided with a fastening bolt matched with the diameter of the transition oil passage, and the fastening bolt is arranged in the transition oil passage in a penetrating manner and used for blocking the transition oil passage.

4. The engine of claim 3, including a timing chain tensioner, said fastening bolt further for securing said timing chain tensioner.

5. The engine of claim 1, further comprising a crankshaft, the oil pump center being located rearwardly and downwardly of the crankshaft center.

6. The engine of claim 5, wherein an included angle between a connecting line of the oil pump center and the crankshaft center and a vertical line of a crankcase assembling surface is less than 30 degrees.

7. The engine of claim 6, wherein the oil pump suction port and discharge port are located on opposite sides of a crankshaft bearing nest bolt.

8. The engine of claim 1, wherein a water pump is arranged in the engine, the oil filter is arranged below the water pump, and the oil filter is positioned between the right bearing seat and the middle bearing seat of the crankshaft.

9. The engine of claim 1, wherein the power transmission pair is centrally disposed on the right side of the engine, and the third tier of the engine is disposed with an oil pump drive gear pair, wherein the gears are located on the outside and the oil pump is located on the inside.

10. A motorcycle comprising an engine as claimed in claims 1 to 9.