JPS6053788B2 - Vehicle charging/starting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vehicle charging/starting device that integrates a generator and a starting motor mounted on the vehicle.

A vehicle is equipped with, as auxiliary devices, a generator that is driven by an engine and charges a battery for supplying electric power to an on-vehicle load, and a starter motor that starts the engine.

Generally, an alternating current generator is used as the generator, and a direct current motor is used as the starting motor. Since the former is driven by the engine and the latter is driven by the same engine, it is well known that both are attached in association with the engine.
Conventionally, the generator is driven by a pulley connected to one end of the engine's crankshaft, while the starter motor is configured to mesh with a ring gear fixed to a flywheel located on the opposite side. It had been.

For this reason, the generator and the starter motor were mounted separately and independently from each other on the engine-side mounting base. However, in such a conventional configuration, it is necessary to secure separate mounting spaces for the generator and starting motor in the engine room, and the individual mounting parts must be processed into the engine-side mounting base. Moreover, since individual mounting members are required, the structure becomes complicated and costs increase.

In addition, the rotation of the generator is regulated by the pulley ratio between the engine side pulley and the generator side pulley, and the diameter of the engine side pulley is
Because of this restriction due to the relationship with other rotating machines driven by the generator, it has been difficult to rotate the generator at a large speed increase ratio that is desirable for improving its output. In view of the above points, the present invention provides a device that integrates a generator and a starting motor, thereby reducing the overall size of the generator and starting motor and simplifying the installation on the engine side mounting base. It is intended for this purpose.

Another object of the present invention is to improve the output of the generator by allowing the engine to rotate the generator at a larger speed increase ratio. In FIGS. 1 and 2 showing an embodiment of the present invention, A indicates a charging/starting device of the present invention in which a generator 10 and a starting motor 20 are integrated.

The main body of the generator 10 is comprised of a front cover 11 and a rear cover 12, which are coupled together with a stator 13 in between, as is well known. On the other hand, the starting motor 20
The main body consists of a housing 21 and an inner cover 22, which are connected with a yoke 23 in between, as is well known. Here, the front cover 11 of the generator 10 and the housing 21 of the starter motor 20 are integrally formed, and the rear cover 12 of the generator 10 and the end cover 22 of the starter motor 20 are integrally formed. , the above-mentioned integrated charging/starting device A is constructed. Although not shown in detail, the generator 10 includes a rotating shaft 14 and a stator 13 coupled to the rotating shaft.
It is configured as a three-phase alternating current generator and includes a rectifier for full-wave rectification of the three-phase alternating current power.

Further, the starting motor 20 includes a pinion 24, and this pinion 2
4, and a direct current motor that drives the DC motor. It is equipped with a magnetic switch 25 that controls the power and moves the pinion 24. The generator 10 is driven by the engine 30 to generate electricity, and the starter motor 20 drives the engine 30 to start it.

- both are therefore in communication with the engine 30, in particular with its crankshaft 31; For this purpose, the crankshaft 31 is provided with a drive body to be connected to the rotating shaft 24 of the generator 20, and is also provided with a ring gear in which the pinion of the starter motor 20 engages. Here, a flywheel 32 already installed on the crankshaft 31 of the engine 30 is used as a fixing member for the driving body and the ring gear. That is,
Originally, the flywheel 32 used its inertia to drive the engine 30 (
It has the function of smoothing the rotation of the crankshaft 31), and a rolling surface 33 is formed on its outer periphery to communicate with the driven body of the generator, which will be described later, and a ring gear 34 is formed on the remaining part. Fixed. If the driving body for the generator and the ring gear mounting member for the starting motor are made common in this way, it is possible to easily bring the generator 10 and the starting motor 20 close to each other and integrate them as described above. It is. In addition, by specifically using this as the flywheel 32, the existing rotating body (flywheel) can be effectively utilized, and since the flywheel 32 originally has a large outer diameter7, the generator 10 can easily rotate at high speed. becomes. A driven body 15 is coupled to the rotating shaft 14 of the generator 10 .

The driven body 15 is constructed by attaching an elastic ring 17 made of rubber or the like to the outer periphery of a disc-shaped member 16. The driven body 15 is pressed against the rolling surface 33 of the flywheel 32 with an appropriate pressing force, and is configured to receive rotational force from the flywheel 32. The outer diameter of the driven body 15 is sufficiently smaller than the outer diameter of the flywheel rolling surface 33, so that the generator 10 is rotationally driven by the engine 30 at a large speed increase ratio. . A pinion 24 is provided in the housing 21 of the starter motor 20.
The mounting cylindrical part 2 concentric with the pinion 24 is placed around the pinion 24.
6 is formed.

Further, the housing 21 is formed with two arc-shaped mounting holes 27, 27 centered on the axis of the pinion 21. The cylindrical portion 26 and the mounting holes 27, 27 form the mounting portion of the charging/starting device A. Here, the device A is mounted on the engine 7 side mounting base 35, and the cylindrical portion 26 is attached to the hole 36 of the mounting base 35. After inserting into each of the above mounting holes 27
, 27 through bolts 28, 28. Since the mounting holes 27, 27 are arc-shaped,
By loosening the bolts 28, 28, the device A can be rotated around the cylindrical portion 26 (therefore, the axis of the pinion 24), and thus rotated against the flywheel rolling surface 33 of the driven body 15 of the generator 10. The position is adjustable. As a result, the pressing force on the rolling surface 33 of the driven body 15 can be adjusted, and after being properly adjusted, the device A is fixed to the mounting base 35 by tightening the bolts 28, 28. The operation of device A having the above configuration is basically the same as that of a conventional generator and starter motor.

However, as already mentioned, the generator 10 is connected to the flywheel 32 of the engine 30, and since the flywheel 32 has a large diameter, the generator 10 is rotated at high speed with a large speed increase ratio, thus increasing its output. . According to the above configuration, the generator 10 and the starting motor 20 are integrated,
Since the mounting part is attached to the engine side mounting base 35, the generator and starting motor are configured separately,
In addition, the overall size can be reduced as compared to a type that is attached, and the attachment structure is simple, making the installation work easier. Furthermore, since the position of the driven body of the generator can be adjusted with respect to the driving body on the engine side at the mounting part of the above-mentioned integrated device, it is possible to always drive the generator well by the engine. It is easily possible. In addition,
In the present invention, by housing the generator and the starter motor in a common case, similar effects can be obtained even if the generator and the starter motor are integrated into one structure.

Furthermore, it goes without saying that a belt may be used to drive the generator. As is clear from the above description, the present invention, which integrates a generator and a starter motor, has the advantage of being able to provide a charging/starting device that is small, inexpensive, and excellent when attached to an engine.

Further, since the pinion of the starter motor and the elastic ring of the generator are placed side by side on the same side of the main body and connected to the flywheel, there is an effect that a compact and simple structure can be obtained. A further advantage is that the generator and starter motor can be mounted and their positions adjusted using one mounting part.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram showing an embodiment of the apparatus of the present invention, and FIG. 1 is a side view of FIG. 2. 10... Generator, 11, 12... Its main body, 14... Rotating shaft, 15... Driven body, 20...・Starting motor, 21, 22...
...The main body, 24...'' pinion, 26,
27...Mounting part, 30...Engine,
31...Crankshaft, 32...Flywheel forming a driving body, 34...Ring gear,
35...Engine side mounting base.

Claims (1)

[Claims] 1. A generator 10 driven by an engine and a starter motor 20 having a pinion 24 that meshes with a ring gear of a flywheel 32 of the engine to start the engine are connected to the main body parts 11, 12, 21, 2
2 are integrally formed or connected to form an integral structure, the main body portion is attached to the engine side mounting base at one mounting portion, and the generator is separated from the pinion 24. The rotary shaft 14 has an axis substantially parallel to the axis of the pinion 24 in position, and the rotary shaft 14 has an elastic ring 17 that slides on the flywheel 32 and drives the rotary shaft 14. , the elastic ring is placed side by side with the pinion on one side of the main body, and the size between the breakable ring 17 and the flywheel 32 is adjusted to the main body that rotates around the axis of the pinion 24. 11, 12, 21, and 22, which can be adjusted by rotating the mounting portions 11, 12, 21, and 22.
Starting device.