CN218563784U - Motorcycle engine starting system - Google Patents

Abstract

The utility model relates to a motorcycle engine starting system, comprising: a right crankshaft, a balance shaft, a crankshaft gear, a balance shaft gear, a large starting gear, a one-way clutch and a starting motor, and the crankshaft gear and the balance shaft gear are mutually meshed , and both the crankshaft gear and the balance shaft gear are respectively connected to the right crankshaft and the balance shaft, wherein the large starting gear is connected to the one-way clutch, and both the large starting gear and the one-way clutch are sleeved on the balance shaft, and the starting When the motor is started, the large starting gear is driven to rotate through the one-way clutch, so that the large starting gear first drives the balance shaft gear through the balance shaft, and then the balance shaft rotates through the crankshaft gear and the balance shaft gear. In this way, the large starting gear will Both the one-way clutch and the one-way clutch are coaxially arranged on the balance shaft to shorten the length of the right crankshaft, thereby shortening the length and volume of the right half of the engine.

Description

motorcycle engine starting system

technical field

The utility model relates to a motorcycle engine starting system capable of starting the motorcycle engine to run, in particular to a motorcycle engine starting system which can shorten the length and volume of the right half of the engine so that the exhaust pipe is positioned at the right side of the motorcycle. Avoid touching the ground when tilting sideways.

Background technique

A motorcycle is a two-wheeled and three-wheeled vehicle that can move through an engine, and the motorcycle can change the direction of movement through the steering handle. In this way, the motorcycle has the functions of easy operation, convenient parking and high mobility, making the motorcycle Car is currently the most popular means of transportation.

In order to start the engine of various styles of motorcycles to make the engine move, the motorcycle will be equipped with a motorcycle engine starting system. Please refer to Figures 1 and 2, which are common existing motorcycle engine starting systems 1. And the existing motorcycle engine starting system 1 mainly has a crank mechanism 10 , a balancing mechanism 11 and a starting mechanism 12 to form.

As shown in Figures 1 and 2, the crank mechanism 10 has a right crankcase 101 and a right crankshaft 102 pivotally connected to the right crankcase 101, the right crankshaft 102 is connected to a crank gear 103 located inside the right crankcase 101, and The balance mechanism 11 has a balance shaft 111 pivotally connected to the right crankcase 101 and a balance shaft gear 112 connected to the balance shaft 111, wherein the balance shaft gear 112 meshes with the crank gear 103. In addition, the starting mechanism 12 has a starter motor 121, an intermediate reduction gear 122, a start gear 123 and a one-way clutch 124 four parts, the starter motor 121 is located outside the right crankcase 101, and the starter motor 121 meshes with the intermediate reduction gear 122, and the intermediate reduction gear 122 It is pivotally connected to the right crankcase 101, so that the intermediate reduction gear 122 can rotate relative to the right crankcase 101, and the intermediate reduction gear 122 meshes with the starting bull gear 123, wherein the starting bull gear 123 and the one-way clutch 124 mutually connected, and both the large starter gear 123 and the one-way clutch 124 are sleeved on the right crankshaft 102, so that when the starter motor 121 generates rotational power, the starter motor 121 will drive the intermediate reduction gear 122 to rotate, making the intermediate deceleration The gear 122 drives the right crankshaft 102 to rotate through the start gear 123 and the one-way clutch 124, and then the right crankshaft 102 can drive the cylinder part of the engine to run. And it can drive the balance shaft 111 to rotate, so that the rotating balance shaft 111 can slow down the shaking of the engine.

As shown in FIG. 2, since the large starting gear 123 of the starting mechanism 12 and the one-way clutch 124 of the starting mechanism 12 are both sleeved on the right crankshaft 102 of the crankshaft mechanism 10, the right crankshaft 102 will be added to the X axis in the drawing. direction, and then the length of the right half of the engine in the X-axis direction will be lengthened, causing a right crankcase cover 104 installed on the right crankcase 101 to increase in length along the right crankshaft 102 axial direction, resulting in the right half of the engine. The length and volume will increase, and the relative exhaust pipe will touch the ground when the motorcycle is tilted to the right, which will affect the tilt angle and handling when riding.

Utility model content

The main purpose of this utility model is to provide a motorcycle engine starting system, which improves the configuration and installation of components in the motorcycle engine starting system, so that the length of the right crankshaft can be shortened, and the right crankcase cover can be moved along the axis of the right crankshaft If the direction is reduced, the length and volume of the right half of the engine can be shortened relatively, and the exhaust pipe can avoid touching the ground when the motorcycle is tilted to the right, thereby effectively improving the inclination angle and handling when riding.

In order to achieve the aforementioned purpose, the utility model provides a motorcycle engine starting system, comprising:

A crankshaft mechanism has a right crankshaft capable of rotation and a crankshaft gear connected to the right crankshaft;

A balance mechanism has a rotatable balance shaft and a balance shaft gear connected to the balance shaft, and the balance shaft gear meshes with the crankshaft gear;

A starting mechanism has a starting gear and a one-way clutch connected to the starting gear, and the starting gear is driven by a starting motor to rotate;

It is characterized in that: both the large starting gear and the one-way clutch are sleeved on the balance shaft, so that the large starting gear and the one-way clutch are coaxially arranged on the balance shaft, so that the large starting gear The gear, the one-way clutch and the balance shaft can rotate at the same time. When the large starting gear rotates through the starter motor, the balance shaft will drive the right crankshaft through the crankshaft gear and the balance shaft gear. Make a turn.

In a preferred embodiment, a mounting hole is formed in the central area of the large starting gear, and the entire one-way clutch is located inside the mounting hole to reduce the time required for assembling the large starting gear and the one-way clutch. The rendered landscape width.

The utility model is characterized in that both the large starting gear and the one-way clutch are connected to the balance shaft, so that both the large starting gear and the one-way clutch can be coaxially arranged on the balance shaft. In addition, it will not pass through the large starting gear and the one-way clutch, so that the length of the right crankshaft can be effectively shortened, and the right crankcase cover can be reduced along the axis of the right crankshaft, which can relatively shorten the length of the right half of the engine. The length and volume, relative to the exhaust pipe, can avoid touching the ground when the motorcycle is tilted to the right, thereby effectively improving the tilt angle and handling during riding.

Description of drawings

Fig. 1 is the schematic diagram of existing motorcycle engine starting system;

Fig. 2 is the sectional view of A-A section among Fig. 1;

Fig. 3 is the schematic diagram of the utility model motorcycle engine starting system;

Fig. 4 is a sectional view of section B-B in Fig. 3 .

Explanation of reference signs: 1-existing motorcycle engine starting system; 10-crankshaft mechanism; 101-right crankcase; 102-right crankshaft; 103-crankshaft gear 104-right crankcase cover; 11-balance mechanism; 111-balance Shaft; 112-balance shaft gear; 12-starting mechanism; 121-starting motor; 122-intermediate reduction gear; 123-starting gear; 124-one-way clutch; 2-motorcycle engine starting system; 20-crankshaft mechanism; 201 -right crankcase; 202-right crankcase cover; 203-right crankshaft space; 204-right crankshaft; 205-crankshaft gear; 21-balance mechanism; 211-balance shaft; 211a-counterweight; 212-balance shaft gear; 22-starting mechanism; 221-starting motor; 222-intermediate reduction gear; 223-starting gear; 223a-installation hole; 224-one-way clutch; 23-generator.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments and accompanying drawings, and the advantages and characteristics of the utility model will become clearer along with the description.

Please refer to Fig. 3 and shown in Fig. 4, the motorcycle engine starting system 2 of the present utility model is used for starting the cylinder part (not shown) of motorcycle engine, and described cylinder part can be operated, and motorcycle engine starting system 2 It is mainly composed of a crank mechanism 20, a balance mechanism 21 and a starting mechanism 22, wherein the crank mechanism 20 has a right crankcase 201 that is hollow and a right crankcase cover 202 that can be assembled in the right crankcase 201 , when the right crankcase cover 202 is assembled in the right crankcase 201, the inside of the right crankcase 201 and the inside of the right crankcase cover 202 together form a right crankshaft space 203, and the crankshaft mechanism 20 is set in the right crankshaft space 203 There is a right crankshaft 204 and a crankshaft gear 205, wherein the right crankshaft 204 is pivotally connected to the right crankcase 201, so that the right crankshaft 204 can rotate relative to the right crankcase 201, and the right crankshaft 204 is connected to a right crankcase cover 202 The internal generator 23 and the crank gear 205 are coaxially connected to the right crank shaft 204 , and the crank gear 205 can rotate synchronously with the right crank shaft 204 .

The balance mechanism 21 is arranged inside the right crankshaft space 203 of the crankshaft mechanism 20, and the balance mechanism 21 has a balance shaft 211 and a balance shaft gear 212, wherein the balance shaft 211 is arranged in parallel to the right crankshaft 204 of the crank mechanism 20 at intervals, and , the balance shaft 211 is pivotally connected to the right crankcase 201 of the crank mechanism 20, so that the balance shaft 211 can rotate relative to the right crankcase 201, and a counterweight 211a protrudes from the central position of the balance shaft 211. In addition, the balance shaft gear 212 meshes with the crankshaft gear 205, and the balance shaft gear 212 is coaxially connected to the balance shaft 211, so that the balance shaft gear 212 can rotate synchronously with the balance shaft 211.

The starting mechanism 22 has four parts: a starting motor 221, an intermediate reduction gear 222, a starting large gear 223 and a one-way clutch 224. The starting motor 221 is located outside the right crankshaft space 203 of the crank mechanism 20, and the starting motor 221 is installed on A left crankcase (not shown) that is connected to the right crankcase 201, and the intermediate reduction gear 222 is located in the inside of the right crankshaft space 203, and the intermediate reduction gear 222 is not only pivotally connected to the right crankcase 201, so that the intermediate reduction gear 222 Can rotate relative to the right crankcase 201, and the intermediate reduction gear 222 is also meshed with the starter motor 221 at the same time. In addition, the starter bull gear 223 and the one-way clutch 224 are both located inside the right crankshaft space 203, wherein the starter bull gear A mounting hole 223a is formed in the central area of 223, and the entire one-way clutch 224 is connected to the inside of the mounting hole 223a, so that the starting large gear 223 surrounds the periphery of the one-way clutch 224, so that the starting large gear 223 and the one-way clutch 224 are both The lateral width presented by mutual assembly can be reduced, and both the large starting gear 223 and the one-way clutch 224 are sleeved on the balance shaft 211 of the balance mechanism 21, so that both the large starting gear 223 and the one-way clutch 224 are coaxial Arranged on the balance shaft 211, and then the large starting gear 223 meshes with the intermediate reduction gear 222, so that the right crankshaft 204 of the crank mechanism 20 will not pass through the large starting gear except for the crank gear 205 which is passed through the crank mechanism 20. The gear 223 and the one-way clutch 224 make the length of the right crankshaft 204 in the X-axis direction in the drawing shorten, and then the right crankcase cover 202 of the crank mechanism 20 can shrink along the axis direction (X-axis direction) of the right crankshaft 204, Relatively, the length and volume of the right half of the engine can be shortened, and the relative exhaust pipe can avoid touching the ground when the motorcycle is tilted to the right, thereby effectively improving the tilt angle and handling when riding.

Please refer to shown in Figure 4, when the motorcycle engine starting system 2 will start the specific application of the motorcycle engine, the starter motor 221 of the starter mechanism 22 will rotate at a high speed after being energized and started, and the starter motor 221 will pass through the middle of the starter mechanism 22. The reduction gear 222 decelerates, so that the intermediate reduction gear 222 drives the right crankshaft 204 of the crank mechanism 20 to rotate through the large gear 223 and the one-way clutch 224, so that the right crankshaft 204 can drive the engine to run. The crank gear 205 of the mechanism 20 and the balance shaft gear 212 of the balance mechanism 21 drive the balance shaft 211 to rotate, so that the rotating counterweight 211a can reduce the vibration of the engine and reduce the noise. In this embodiment, once the engine passes through When the right crankshaft 204 rotates, the starter motor 221 will no longer be energized, and then the starter motor 211 and the starter motor 221 will not be running. Wherein, after the combustion chamber of the cylinder head of the engine is ignited successfully, the piston can pass through the chain. lever to make the speed of the right crankshaft 204 increase rapidly, and then when the speed of the right crankshaft 204 is greater than the speed of the starting gear 223, the one-way clutch 224 will break away from the synchronous rotation of the starting gear 223, so that the one-way clutch 224 It can prevent the power generated after the engine is started from being transmitted to the intermediate reduction gear 222 and the large start gear 223 , and then the power generated after the engine is started will not damage the structure of the one-way clutch 224 .

The above description is only illustrative of the utility model, rather than restrictive. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims. But all will fall within the protection scope of the present utility model.

Claims (2)

1. A motorcycle engine starting system, comprising:

the crankshaft mechanism is provided with a right crankshaft capable of rotating and a crankshaft gear connected with the right crankshaft;

a balance mechanism, which is provided with a balance shaft capable of rotating and a balance shaft gear connected with the balance shaft, wherein the balance shaft gear is meshed with the crankshaft gear;

the starting mechanism is provided with a starting gearwheel and a one-way clutch connected with the starting gearwheel, and the starting gearwheel is driven by a starting motor to rotate;

the method is characterized in that: the starting gearwheel and the one-way clutch are sleeved on the balance shaft, so that the starting gearwheel and the one-way clutch are coaxially arranged on the balance shaft, the starting gearwheel, the one-way clutch and the balance shaft can rotate simultaneously, and when the starting gearwheel rotates through the starting motor, the balance shaft can drive the right crankshaft to rotate through the crankshaft gear and the balance shaft gear.

2. A motorcycle engine starting system as set forth in claim 1, wherein: the central area of the starting gearwheel forms a mounting hole, and the whole one-way clutch is positioned in the mounting hole so as to reduce the transverse width of the mutually assembled starting gearwheel and one-way clutch.

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