CN218760066U

CN218760066U - Engine and motorcycle

Info

Publication number: CN218760066U
Application number: CN202222105069.3U
Authority: CN
Inventors: 叶正; 黎振中; 韩超博; 陆明显
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: 2023-03-28
Anticipated expiration: 2032-08-10

Abstract

An embodiment of the utility model provides an engine and motorcycle, the engine includes: an output shaft; a crankshaft located forward of the output shaft; a countershaft located above a line connecting a center of the crankshaft and a center of the output shaft; a countershaft bearing fitted on the countershaft; the oil pipe penetrates through the engine, an oil hole is formed in the oil pipe, and a bending baffle is arranged at one end of the oil pipe, which extends out of the engine; the bearing baffle is arranged on an upper box body of the engine through a baffle bolt and used for limiting the auxiliary shaft bearing and the bending baffle; wherein the center of the crankshaft, the center of the auxiliary shaft and the center of the output shaft are connected with each other to form a triangle. The oil pipe installation structure has the advantages that the technical problem that an oil pipe installation structure is complex in the prior art is effectively solved.

Description

Engine and motorcycle

Technical Field

The utility model relates to a technical field of motorcycle especially relates to an engine and motorcycle.

Background

The motorcycle is driven by electric power, fuel oil or hybrid power, is light and flexible, and can run quickly, so that it can be extensively used in the fields of patrol, passenger and goods transportation, etc. and also can be used as sports equipment.

The main and auxiliary shaft gears of the motorcycle engine are used as power transmission parts and are used under the working conditions of high rotating speed and high load for a long time, the lubrication of the tooth surface of the gear is very important, and in the prior art, the tooth surface of the gear is lubricated by splashing and oil dripping of a box body, and the lubrication tooth surface can be enhanced by adding an oil pipe structure. The traditional oil pipe structure is generally fixed on a box body through bolts, so that the arrangement structure of a bolt mounting column and a thread machining procedure are added on the box body, and a mounting bolt part is added, so that the cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides an engine for solving the technical problem of complex oil pipe installation structure existing in the prior art.

In order to solve the technical problem, the embodiment of the utility model adopts the following technical scheme:

an embodiment of the utility model provides an engine, engine includes:

an output shaft;

a crankshaft located forward of the output shaft;

a countershaft located above a line connecting a center of the crankshaft and a center of the output shaft;

a countershaft bearing fitted on the countershaft;

the oil pipe penetrates through the engine, an oil hole is formed in the oil pipe, and a bending baffle is arranged at one end of the oil pipe, which extends out of the engine;

the bearing baffle is arranged on an upper box body of the engine through a baffle bolt and used for limiting the auxiliary shaft bearing and the bending baffle;

wherein the center of the crankshaft, the center of the auxiliary shaft and the center of the output shaft are connected with each other to form a triangle.

In some embodiments of the present application, the engine further comprises:

the center of the oil pump is positioned at the rear lower part of the center of the crankshaft;

and the oil pump center and the crankshaft center are connected to form a first line segment, and an included angle a formed by the first line segment and a perpendicular line of the box-closing surface is less than 30 degrees.

In some embodiments of the present application, the engine further comprises:

the crankshaft and the oil pump are arranged on the lower box body;

the upper box body is connected with the lower box body to form a box closing body, wherein the connecting surface of the upper box body and the lower box body is the box closing surface.

In some embodiments of the present application, the engine further comprises:

the bearing block is arranged on the lower box body;

a bearing mounted on the bearing, the crankshaft being mounted on the bearing.

In some embodiments of the present application, the engine further comprises:

the lower box body and the upper box body are connected through the connecting pieces, one of the connecting pieces penetrates through the bearing seat, and the oil pump is close to the connecting piece penetrating through the bearing seat.

In some embodiments of the present application, the oil pump includes a suction port and a discharge port, wherein the suction port and the discharge port are located on both sides of the connection through the bearing housing.

In some embodiments of the present application, the bearing housing comprises:

the right seat is arranged on the lower box body;

the middle seat is arranged on the lower box body;

the bearing includes:

the first bearing is arranged on the right seat, and the crankshaft is arranged on the first bearing;

a second bearing mounted on the mid-mount, the crankshaft being mounted on the second bearing.

In some embodiments of the present application, the engine further comprises:

the filter is connected with the oil pump and used for filtering the engine oil;

wherein the filter is located between the right seat and the middle seat.

In some embodiments of the application, a main oil duct penetrating through the lower box body from left to right is arranged under the crankshaft, two ends of the main oil duct are provided with plugs, and the oil pump covers the plugs on the same side of the oil pump.

The utility model discloses an implementation still provides a motorcycle, the motorcycle includes like above-mentioned engine.

Compared with the prior art, the utility model discloses a beneficial effect of embodiment lies in:

an embodiment of the utility model provides an engine, the engine includes: an output shaft; a crankshaft located forward of the output shaft; a countershaft located above a line connecting a center of the crankshaft and a center of the output shaft; a countershaft bearing fitted on the countershaft; the oil pipe penetrates through the engine, an oil hole is formed in the oil pipe, and a bending baffle is arranged at one end of the oil pipe, which extends out of the engine; the bearing baffle is arranged on an upper box body of the engine through a baffle bolt and used for limiting the auxiliary shaft bearing and the bending baffle; wherein the center of the crankshaft, the center of the auxiliary shaft and the center of the output shaft are connected with each other to form a triangle. Oil pipe and the baffle combination of bending are as an organic whole, and oil pipe penetrates from the box right side during the assembly and arrives in the box left side bearing hole, and the baffle of bending then the card is gone into the box recess and is accomplished the location, and through baffle bolt fastening bearing baffle afterwards, the bellying on bearing baffle and the bearing baffle can carry out the axial spacing to the baffle of bending, prevents that oil pipe from deviating from the assembly position. Compared with the prior art, the limiting function of the auxiliary shaft bearing and the oil pipe is achieved through the bearing baffle plate, the arrangement is more compact, meanwhile, the oil pipe is limited through the bearing baffle plate, bolts are not required to be tightened, the arrangement structure and the thread machining process of the bolt mounting column on the box body are reduced, a mounting bolt part is not added, and the manufacturing cost is reduced.

The embodiment of the utility model provides a motorcycle is still provided, the motorcycle is through adopting as above the engine, can solve the technical problem that the oil pipe mounting structure is complicated that exists among the prior art effectively.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a first structure of an engine according to an embodiment of the present invention;

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

fig. 3 is a schematic diagram of a third structure of an engine according to an embodiment of the present invention;

fig. 4 is a fourth schematic structural diagram of an engine according to an embodiment of the present invention;

fig. 5 is a fifth structural schematic diagram of an engine according to an embodiment of the present invention;

fig. 6 is a sixth schematic structural diagram of an engine according to an embodiment of the present invention;

fig. 7 is a seventh schematic structural diagram of an engine according to an embodiment of the present invention.

Wherein:

100. an output shaft; 200. a crankshaft; 300. a counter shaft; 310. a counter shaft bearing; 400. a bearing baffle; 401. a boss portion; 402. a baffle bolt; 410. an oil pipe; 420. bending the baffle; 500. an oil pump; 600. a box closing surface; 700. a lower box body; 800. an upper box body; 900. a connecting member.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

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.

As shown in fig. 1 to 7, the present embodiment provides an engine including:

an output shaft 100;

a crankshaft 200, the crankshaft 200 and the output shaft 100 being disposed in front and rear; and

a counter shaft 300, the counter shaft 300 being located above a line connecting the center of the crankshaft 200 and the center of the output shaft 100;

a countershaft bearing 310 fitted on the countershaft 300;

the oil pipe 410 penetrates through the engine, an oil hole is formed in the oil pipe 410, and a bending baffle 420 is arranged at one end of the oil pipe 410 extending out of the engine;

the bearing baffle 400 is arranged on an upper box body of the engine through a baffle bolt 402, and the bearing baffle 400 is used for limiting the auxiliary shaft bearing 310 and the bending baffle 420;

wherein the center of the crankshaft 200, the center of the counter shaft 300, and the center of the output shaft 100 are connected to each other to form a triangle.

Oil pipe 410 in this application embodiment combines as an organic whole with baffle 420 of bending, and oil pipe 410 penetrates from the box right side during the assembly and arrives in the box left side bearing hole, and baffle 410 of bending then blocks into the box recess and accomplishes the location, through baffle bolt 402 fixed bearing baffle 400 afterwards, bearing baffle 400 can carry out axial spacing to baffle 420 of bending, prevents that oil pipe 410 from deviating from the assembly position. Compared with the prior art, the bearing baffle 400 simultaneously realizes the limiting function of the auxiliary shaft bearing 310 and the oil pipe, the whole arrangement is more compact, meanwhile, the oil pipe 410 is limited through the bearing baffle 400 and does not need to be tightened by bolts, the arrangement structure and the thread machining process of the bolt mounting column on the box body are reduced, a mounting bolt part is not added, and the manufacturing cost is reduced.

It should be noted that the structure of part of the bearing baffle 400 is not sufficient to limit the bent baffle 420, and at this time, in order to achieve the limiting effect of the bearing baffle 400 on the bent baffle 420, the bearing baffle 400 is provided with a protruding portion 401 for limiting the bent baffle 420 in the area close to the bent baffle 420.

In some embodiments, the box body is provided with a groove structure, the bending baffle 420 can be clamped into the groove structure during rotation, and the groove of the box body can position the assembly of the bending baffle, so as to ensure the effective assembly of the bending baffle.

In the engine of the embodiment, since the center of the secondary shaft 300 and the center of the output shaft 100 are connected with each other to form a triangle, that is, the center of the crankshaft 200, the center of the secondary shaft 300 and the center of the output shaft 100 are three vertexes of the triangle, the secondary shaft 300 is not on the same straight line of the crankshaft 200 and the output shaft 100, the distance between the crankshaft 200 and the output shaft 100 is effectively shortened, and thus the engine can reduce the width space for being on the same straight line, so that the engine is more compact and has a higher degree of weight reduction; furthermore, the crankshaft, the auxiliary shaft and the output shaft are arranged in a triangular mode, the gear shifting assembly is located below the auxiliary shaft and the output shaft, and the lower box body is provided with through holes to avoid the gear shifting arms during gear shifting, so that the arrangement area of the lower box body is reduced, the structure is compact, and the space is saved.

In the field of the existing motorcycle, functional improvement of the motorcycle is improved to a certain bottleneck, the motorcycle is light and flexible, and certain requirements are also made on the weight and the volume space of the motorcycle, so that the requirement for light weight and compactness of the motorcycle is derived, and the engine provided by the embodiment has the advantages that the center of the crankshaft 200, the center of the auxiliary shaft 300 and the center of the output shaft 100 are connected with each other to form a triangle, so that the compactness of the engine is better, the lightweight degree is higher, and the light weight and the compactness of the motorcycle are promoted.

The present embodiment provides an engine, further comprising:

an oil pump 500, the center of which is located behind and below the center of the crankshaft 200;

and a first line segment is formed by connecting the center of the oil pump 500 and the center of the crankshaft 200, and an included angle a formed by the first line segment and a vertical line of the box assembling surface 600 is less than 30 degrees.

The embodiment of the utility model provides an engine, bent axle 200 converts the seesaw into rotational motion under the effect of connecting rod and provides power for the countershaft output of engine, through bent axle 200 does the engine provides power, oil pump 500 absorbs machine oil from the oil absorption mouth of the bottom of oil pan, pressurizes the back and send to each position that needs the lubrication on the leading-in route that forms through the inside of bent axle 200 case, through in this embodiment the center of oil pump 500 is located the rear lower of the center of bent axle 200, and the contained angle a that first line segment and the perpendicular line of close case face 600 formed is less than 30, can supply machine oil to the structure of each friction pair high-efficiently, need not additionally to increase the profile of engine, guarantees simultaneously that the water pump can install on ideal position, has realized the miniaturization and the lightweight of engine to in having solved effectively the oil pump 500 arrangement mode of relevant art, oil pump 500 arranges in bent axle 200 front lower, can make the engine profile increase, leads to the not compact technical problem of engine.

In the field of the existing motorcycles, functional improvement on the motorcycles reaches a certain bottleneck, and the motorcycles are light and flexible and have certain requirements on weight and volume space, so that the requirements on light weight and compactness of the motorcycles are derived;

in the motorcycle of the related art, the oil pump 500 is arranged below the rear part of the crankshaft 200, if the connecting line of the center of the oil pump 500 and the center of the crankshaft 200 is an angle a between a first line segment and a perpendicular line of the box closing surface 600, the angle a is larger than 30 degrees, and the angle a is driven by the crankshaft 200 or an auxiliary shaft, the arrangement can lengthen the length of an introduction passage (oil passage), increase the time from the oil to each lubricating part, cause the engine to be incapable of lubricating effectively when starting, cause higher frictional resistance, and easily cause the abrasion of a friction pair; in this case, it is necessary to use the oil pump 500 having a larger specification in order to increase the oiling speed, but in this case, the size of the entire engine increases and the weight increases due to the size increase of the oil pump 500;

the oil pump is arranged in the front lower part of the crankshaft 200, so that the profile of an engine is increased, the space for arranging the water pump is occupied, and the position of the water pump is occupied; in the engine provided by the embodiment, based on the requirement, the center of the oil pump 500 in the embodiment is located behind and below the center of the crankshaft 200, and the included angle a formed by the first line segment and the perpendicular line of the box assembling surface 600 is smaller than 30 degrees, so that the length of the introduction passage is not increased, and the engine can be delivered to each lubricating part for lubrication when the engine is started without being replaced by a large-sized oil pump 500, thereby reducing the abrasion of a friction pair, simultaneously ensuring that the engine is more compact, achieving a higher light-weight degree, and promoting the light weight and compactness of a motorcycle; reserving the position of the front lower part of the crankshaft 200 to install a water supply pump, wherein the front part of the crankshaft 200 is used as an ideal arrangement position of an engine water pump; the distance between the cooling water jacket and the radiator is short, and the cooling water leading-in and leading-out channels are short, so that the miniaturization and the light weight of the engine are facilitated.

In some embodiments of the present application, the engine further comprises:

the lower box 700, the crankshaft 200 and the oil pump 500 are both arranged on the lower box 700;

the upper box body 800 is connected with the lower box body 700 to form a box combination, wherein the connection surface of the upper box body 800 and the lower box body 700 is the box combination surface 600.

The lower case body 700 and the upper case body 800 are connected to form a mold assembling of the crankshaft 200 case, so that the crankshaft 200 and other components can be protected in the mold assembling, and a joint surface between the upper case body 800 and the lower case body 700 is a mold assembling surface 600.

In some embodiments of the present application, the engine further comprises:

a bearing housing installed on the lower case 700;

a bearing mounted on the bearing, and the crankshaft 200 is mounted on the bearing.

The bearing seat is installed on the lower box body 700 in a manner of welding or bolting on the lower box body 700, the bearing seat is provided with an installation hole, an outer ring of the bearing is inserted into the installation hole, the crankshaft 200 is inserted into an inner ring of the bearing, so that the crankshaft 200 can rotate relative to the bearing seat, and the upper box body 800 covers the upper surface of the lower box body 700 to realize box closing; the bearing can be a roller bearing or a ball bearing;

in some embodiments of the present application, the bearing housing comprises:

a right seat installed on the lower case 700;

a middle seat installed on the lower case 700;

the bearing includes:

a first bearing mounted on the right seat, the crankshaft 200 being mounted on the first bearing;

a second bearing mounted on the intermediate seat, the crankshaft 200 being mounted on the second bearing.

The bearing seat may include at least a right seat and a middle seat, and may further include a left seat, so that the crankshaft 200 may be stably rotatably installed in the lower case 700, and in the process of forward and backward movement of the connecting rod, the crankshaft 200 is driven, and the crankshaft 200 may stably convert the forward and backward movement power into rotational power.

The right seat and the middle seat are both mounted on the lower box body 700 through bolts, the outer ring of the first bearing is mounted on the right seat, and the right end of the crankshaft 200 is inserted and mounted on the inner ring of the first bearing; the outer ring of the second bearing is mounted on the middle seat, and the middle of the crankshaft 200 is inserted and mounted on the inner ring of the second bearing.

In some embodiments of the present application, the engine further comprises:

and the connecting piece 900, the lower box body 700 and the upper box body 800 are connected through the connecting piece 900, and one of the connecting pieces 900 penetrates through the bearing seat.

The connecting member 900 is preferably a stud or a bolt, the lower case 700 and the upper case 800 are fixed together by a plurality of bolts, and can be detached by bolts when detaching, corresponding threaded holes may be pre-formed in the upper case 800 or the lower case 700, and the lower case 700 and the upper case 800 are assembled together by screwing the bolts into the threaded holes.

In some embodiments of the present application, the oil pump 500 is in close proximity to the connection 900 passing through the bearing housing.

The oil pump 500 is arranged at a position close to the connecting piece 900 penetrating through the bearing seat, so that the limited space of the engine can be reasonably utilized, and the compactness and the light weight of the engine are effectively improved.

In some embodiments of the present application, oil pump 500 includes a suction port and a discharge port, wherein the suction port and the discharge port are located on both sides of connector 900 passing through the bearing housing.

The suction inlet is communicated with the bottom of the oil pan, and is used for pumping lubricating oil in the oil pan into the oil pump 500 when the oil pump 500 is started, and discharging the lubricating oil from the discharge outlet to each part needing to be lubricated after the lubricating oil in the oil pump 500 is pressurized; the suction port and the discharge port are positioned on both sides of the connecting piece 900 penetrating through the bearing seat, so that the space of the engine can be reasonably utilized to avoid the connecting piece 900, the suction port can be close to the oil pan, and the discharge port is close to a part needing lubrication.

In some embodiments of the present application, the engine further comprises:

a filter connected to the oil pump 500 for filtering the engine oil;

wherein the filter is located between the right seat and the middle seat.

The engine oil pumped by the engine oil pump 500 is filtered by a filter and then discharged to each position needing lubrication through a discharge port, so that the lubrication effect is realized, the filter is arranged between the right seat and the middle seat, the vacancy between the right seat and the middle seat can be reasonably utilized, the compactness of the engine can be effectively improved, and the space of the engine is reasonable.

In some embodiments of the present disclosure, a main oil gallery penetrating through the lower box 700 from left to right is disposed right below the crankshaft 200, two ends of the main oil gallery are provided with plugs, and the oil pump 500 covers the plugs on the same side thereof.

Due to the fact that the plugs are arranged at the positions in the oil pump 500, the plugs can be effectively shielded by the oil pump 500, and even if the plugs leak oil, the oil only leaks into the oil pump 500, and a safe and tidy engine can still be kept.

The utility model discloses an implementation still provides a motorcycle, the motorcycle includes as above-mentioned engine, because the motorcycle is through adopting as above the engine, can solve the complicated technical problem of oil pipe mounting structure that exists effectively among the prior art.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An engine, characterized in that the engine comprises:

an output shaft;

a crankshaft located forward of the output shaft;

a countershaft bearing fitted on the countershaft;

2. The engine of claim 1, characterized in that the edge of the bearing baffle is provided with a boss for limiting the bent baffle.

3. The engine of claim 1, further comprising:

4. The engine of claim 3, further comprising:

the crankshaft and the oil pump are arranged on the lower box body;

the upper box body is connected with the lower box body to form a box closing surface, wherein the connecting surface of the upper box body and the lower box body is the box closing surface.

5. The engine of claim 4, further comprising:

the bearing block is arranged on the lower box body;

a bearing mounted on the bearing, the crankshaft being mounted on the bearing.

6. The engine of claim 5, further comprising:

7. The engine of claim 6, wherein the oil pump includes a suction port and a discharge port, wherein the suction port and the discharge port are located on opposite sides of the connection through the bearing housing.

8. The engine of claim 5, wherein the bearing housing comprises:

the right seat is arranged on the lower box body;

the middle seat is arranged on the lower box body;

the bearing includes:

9. The engine according to claim 4, characterized in that a main oil gallery penetrating the lower box body from left to right is arranged right below the crankshaft, two ends of the main oil gallery are provided with plugs, and an oil pump covers the plugs on the same side of the main oil gallery.

10. A motorcycle, characterized in that the motorcycle comprises:

an engine as claimed in any one of claims 1 to 9.