JPS5919723A - Multistage clutch - Google Patents

Abstract

PURPOSE:To miniaturize the titled clutch, to make it light in weight, to simplify the control system and to increase the rate of occurrence of accidents by a method wherein a plurality of follower rotary members are arranged on a main rotary member in coaxial relationship with the latter and the follower rotary members are selectively forced to come into contact with the main rotary member by a single electromagnetic coil. CONSTITUTION:A first armature 14 fixed to a part near the center of one end of a shaft 8 with a key 18 for stopping the rotation of the armature. A second armature 15 is rotatably fixed to the same end of the shaft 8 and a cooling fan 1 is fixed to the armature 15. To disconnect the whole of the two stage clutch, the value of an electric current flowing through the electromagnetic coil is made zero. When a weak current flowing through the electromagnetic coil 13 through a coil current adjuster, a contact 17 of the second armature 15 is not attracted to come into contact with a rotor 5 but a contact 16 of the first armature is attracted to come into contact with the rotor 5 so that a pump fan 9 is rotated through the key 18 and the shaft 8. To connect the whole of the two stage clutch, a large current is flowed through the electromagnetic coil 13 through the coil current adjuster.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a multi-stage clutch that selectively transmits the rotational force of a main rotating body to a plurality of rotating bodies, and particularly relates to a multi-stage clutch that selectively transmits the rotational force of a main rotating body to a plurality of rotating bodies, and particularly to This invention relates to a multi-stage clutch that can be operated entirely using a single electromagnetic coil.

[Technical background of the invention and its problems]

Multi-stage clutches that selectively bring all of a plurality of slave rotors into contact with a main rotor to transmit rotational force from the main rotor to the slave rotors are generally used in fields such as automobiles and various machine tools. Among these, in automobiles, the rotational power of Ennon has been traditionally used. Multi-stage coils are used to transmit information to engine auxiliary equipment such as the cooling fan and water pump. In other words, the auxiliary machinery of a conventional engine is mounted in front of the engine body, and is driven by the rotational force VC taken from the engine by a pulley or the like through a multi-stage reflash latch.

Incidentally, in response to the recent demand for lighter and heavier automobiles, etc., and the efficient use of space inside the vehicle, there is a wide demand for smaller and lighter multi-stage clutches. Therefore, we installed an electromagnetic coil for each auxiliary machine, and installed a multi-stage clutch motor S that was operated by the 7th return gear of each auxiliary machine. thought? #reactor.

However, since the above-mentioned multi-stage clutch VC is an electromagnetic coil (SaW) in which all of the auxiliary devices are operated, control of each electromagnetic coil is complicated, and the failure rate due to the electromagnetic coil is high. Furthermore, does the presence of electromagnetic coils make it more compact and lightweight? There is a problem that is blocking it.

[Purpose of the invention]

The present invention was created to effectively solve the problems of conventional multi-stage clutches.

The object of the present invention is to arrange a plurality of subordinate rotary bodies on the same axis, and to selectively bring them into suction contact with the main rotary body by means of the fly coils of the metal wheels of each slave rotary body, so as to reduce the size of the body.・Weight reduction, control/
Provided is a multi-stage clutch that can simplify Ii5 of the stem and reduce the failure rate.

[Embodiments of the invention]

Next, preferred embodiments of the present invention will be described in detail with reference to drawings.

The embodiment shown in FIG. 1 is a two-stage clutch used for auxiliary equipment and drive of Ennon. In this case, the auxiliary equipment serving as the slave rotor is a cooling fan 1 used for air cooling of the lanoator, and a water pump 2 used for circulating engine cooling water, and the main rotor is an ennon ( This corresponds to the rotor 5 which is rotated by the V-belt 3 and pulley 4 from K (not shown). The two-horn main body 6 of the water pump 2 serves as a frame that fully supports the rotor 5, cooling fan 1, etc., and is designed to be attached to the side wall of the engine via the mounting plate 1. A shaft 8 is rotatably inserted and supported in the middle upper part of the pump body 6, and a pump fan 9 fixed at one end thereof has a VC for rotationally driving the shaft. Due to the operation VC of the pump fan 9, engine cooling water flows into the pump chamber 10, port 11, etc., and the water pump 2 is operated. Is Noyaft 8 pivoted around the entire inner circumference of the center? The rotor 5 is rotatably mounted on the outer periphery of the protruding portion of the pump body 2, and the pulley 4 is fixed on the outer periphery of the rotor 5. A thick groove 12 is formed on one side of the rotor 5, and an electromagnetic coil 1 whose magnetic attraction force changes depending on the thick current.
3 can be stored without contact. Electromagnetic coil 1
3 is fixed to the pump body 2 VC, and is connected to a coil current controller (not shown) that can switch the magnitude of the current. In addition to the rotor 5, 111111211 is formed with a slit or the like so as to pass the line of magnetic force from the electromagnetic coil 13 (or the rotor 5'ff is made of a non-magnetic material or a magnetic material).
The first armature 14 for driving the gift 8 and the second armature 15 for driving the cooling fan 1 are located in the vicinity of the molded parts 16 and 16, and are arranged in a VC so as to be in magnetic attraction contact with each other through the insulators 16 and 17. . 1st armature 1
4fl'j: is attached to the center heel of the other end of the shaft 8 so as to be prevented from rotating by a key 18, and a spring 19 is actuated in order to pull the contactor 16 against the magnetic attraction force. 16 contacts are installed. ! ,Ta,
The second armature 15 is rotatably attached to the other end of the shaft 8, has a cooling fan fixed thereon, and has a contactor 17 attached so as to be pulled in a direction that opposes the magnetic attraction force. . The gap between the other side surface of the rotor 5 and each contactor 16, 17 is determined by the contact between the first armature 14 and the second armature 15 (hereinafter referred to as the first armature 14), which may be selectively activated. The gap with the contact 16 is made narrower than the gap with the other contact 1γ. However, regardless of the difference in the gap with each contactor 16, 17, by varying the number of spring legs of each spring 19, 20, similar selective actuation settings can be made. Therefore, when the current flowing through the electromagnetic coil 131/c is small, the first armature 14 of VC is connected to the rotor 5, and when the current is large, both are connected to the rotor 5.

Next, the operation of the present invention will be described.

VC, which completely disengages the two-stage clutch, makes the current flowing through the electromagnetic coil 13 completely zero. That is, the coil current controller is fully activated and the supply of current to the electromagnetic coil 13 is completely stopped. In this case, each contact 16, 17 does not come into contact with the rotor 5 because there is no electromagnetic attractive force for each contact 16, 1γ. Therefore, the rotational force of the rotor 5 is not transmitted to the first armature 14 and the second armature 15, and the water pump 2 and cooling fan 1Vi do not operate.

K disengages one section of the two-stage clutch and connects the other section, causing weak ionization to flow through the electromagnetic coil 13 using a coil current 161 rectifier. The electromagnetic attraction force of the electromagnetic coil 13 is 16°1”I for each contact.
However, since the current flowing through the electromagnetic coil 13 is small, the contact 1γ of the second armature 15 does not come into contact with the rotor 5, but the contact 16 of the first armature 14 comes into contact with the rotor 5. fJE, the second armature 15 is rotated by the rotor 5, the pump 9 is rotationally driven via the key 18 and the shaft 8, and the water pump 2 is operated to fully circulate the Ennon cooling water. All of it? To connect, electromagnetic coil 1
3. A strong current is applied by the coil current regulator.

In this case, since the current flowing through the electromagnetic coil 13 is large, not only the contact 16 of the first armature 14 but also the contact 1γ of the second armature 15 are attracted to the rotor 5VC. Therefore, the first armature 14 and the second armature 15 are rotated by the rotor 5, and the water pump 2
moves along the path described above, and the cooling fan 1 rotates around the circumference of the shaft 8.

From this state, only one cooling fan was made! IJlII
The VC that stops 1 is the coil current regulator VC, C (
) Switch the current to the magnetic coil 13 to a weak VC,
Connector 1tif of first armature 14? The force and 7''L that bring C into suction contact with the rotor 5V are good.At this time, the contact 17 of the second armature 15 is applied by the force VC of the spring 20, the force VC of the rotor 51R11, and the force of the second armature 15. The control is pulled and the state is maintained.'
! In addition, the VC that also stops the operation of the cooling fan 1,
The current flowing through the electromagnetic coil 13Vc is set by the coil current modifier. At this time, the force of the spring 19 causes the contactor 16 of the first armature 14 to move to the rotor 5 side J:! ll Return to the first armature 141JllllI and maintain that state.

By repeating the above operations nine times, the water pump 2 and the cooling fan 1 can be selectively connected to the rotor 5. In this case, since the water pump 2 and the cooling fan 1 are arranged coaxially with the rotor 5, compactness can be promoted. In addition, since the ring fan 1 and water bonder 2 are operated by a single 13 VC electromagnetic coil, it is possible to achieve a reduction in size, weight, and failure rate. The cooling fan 1 and water pump 2 are operated separately by switching back the strength of the seventh electromagnetic coil 13Vc flow. I feel angry. Also, the first
Armature 14, Anomushiko 16, 2nd armature 1
1llll VC permanent awn outside of the clitic element 17 of 5, the contact i]i] oyster can be made large').
Therefore, the cooling fan 1, which has a large drive torque and large torque fluctuations, can be reliably driven by the rotor 5.

In addition, the coil current adjustment distortion in the above embodiment is as follows:
It is possible to use a bJ transformer in/out, etc.

Furthermore, in the above implementation, the case where the water pump 2 and the cooling fan 1 are all used as supplementary equipment has been explained, but the present invention is not limited to this. History VC can also be applied to combinations such as a cooling fan and an oil pump, a generator and an oil pump, a water pump and a generator, etc.

Furthermore, in the above embodiment, the rotor 5 has 114111ml
/c armature 14.15 clitic i6. Although the case has been described in which the armatures 14 and 15 are brought into contact with each other, the present invention is not limited to this, and at least one of the armatures 14 and 15 may be brought into contact with the outer periphery of the rotor 5, as shown in FIG.

In addition, as shown in FIG. 3, the valley armature 14.15' is used as an intermediate idler, and a certain number of auxiliary machines 21.22 are driven at one location apart from each other. It may also be possible to control it.

In the figure, 23 is a crankshaft that rotates the rotor 5.

Incidentally, in the above embodiment, the case of a two-stage clutch was explained, but the invention can also be applied to a clutch with three or more stages, and its application can also be applied to Ennon's auxiliary equipment side 'JDJ V
It is not possible to beat C limit.

[Effects of the Invention] Since the present invention is configured as described above, it exhibits the following excellent effects.

(1) With a single coil, it is possible to selectively connect a number of slave rotor sounds to the main rotor CC, achieving smaller size and lighter weight without the need for additional power. .

(2) Since the electromagnetic coil is made of purple monochrome, the failure rate can be reduced.

(lJ)' By changing the magnitude of the current flowing through the electromagnetic coil, the clutch can be selectively connected.
becomes simple.

(4) Since it is arranged and driven on the same axis as the valley slave rotor and the valley slave rotor, it is possible to promote smaller size and quantity.

(5) The structure can be easily and inexpensively manufactured, so
Full of versatility.

[Brief explanation of the drawing]

Fig. 1 is a vertical cross-sectional view showing one embodiment of the multi-stage clutch according to the present invention, Fig. 2 is a longitudinal cross-sectional view of one main part showing another embodiment of the multi-stage clutch according to the present invention, and Fig. 3 The figure shows the history of the multi-stage clutch according to the present invention VCitg 7iii? 11 is a side view of other important parts. In the figure, 5 is the main rotating body, 133 electromagnetic coils, 14° Patent applicant: Ifso Automobile Co., Ltd.

Claims (1)

[Claims] VE by bringing all the slave rotors into selective VC contact with the main rotor
In a multi-stage clutch that transmits the rotational force from the main rotating body to the rotating body, is the slave rotating body mentioned above? Coaxial VC of the above main rotating body
a single electromagnetic coil tray for bringing the slave rotor into suction contact with the main rotor; and a coil for selectively bringing the electromagnetic coil into suction contact with the upper slave rotor. A multi-stage clutch featuring a current controller.