Power unit for vehicle
A power unit and vehicle technology, applied in vehicle parts, vehicle gearboxes, motorcycles, etc., can solve the problems of increasing assembly man-hours and the number of parts, and achieve the effect of improving the bonding force, improving the riding feeling, and reducing the number of parts.
Inactive Publication Date: 2010-02-17
HONDA MOTOR CO LTD
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Problems solved by technology
[0004] However, when the suspension is combined with the transmission, the work of assembling the power unit by combining the internal combustion engine and the transmission, and the work of combining the suspension with the assembled power unit have to be performed, so there is an increase in assembly man-hours and parts. The problem of the number of pieces (combined components)
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[0022] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. First, use figure 1 , a motor tricycle 1 equipped with a power unit for a vehicle (in the following description, simply referred to as a “power unit”) of the present invention will be described. The auto tricycle 1 having one front wheel 3 and two rear wheels 4L, 4R is constituted by: having a vehicle body frame 2 formed in a U-shape in side view, and at the front end of the vehicle body frame 2, via The steering mechanism 5 supports the front wheels 3, and at the rear of the vehicle body frame 2, a power unit 6 for driving the left and right rear wheels 4L, 4R is provided. In addition, a seat 14 is attached to an upper portion of the rear end portion of the vehicle body frame 2 , and the power unit 6 is covered with an engine case 15 .
[0023] The steering mechanism 5 is attached to the front portion of the vehicle body frame 2 and has a head pipe 7 extendin...
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The power unit for vehicle is equipped with an engine case 21 to emit a rotational driving force from a crank shaft 26 installed parallel with a rear wheel shaft 33 whereto rear wheels 4L and 4R are connected and a transmission case 22 accommodating the transmission device 37 to transmit the rotational driving force of the crank shaft 26 to the rear wheel shaft 33 through a counter-shaft 34 installed parallel with the rear wheel shaft 33, and power unit 6 mounted on a body frame 2 by a hanger member 12 is configured so that the engine case 21 and the transmission case 22 are installed detachably, the hanger member 12 is installed in the second 68 and the third mounting part 69 of the engine case 21 and the transmission case 22, and that the engine case 21, the transmission case 22, and thehanger member 12 are coupled together by the same coupling member 73 .
Description
technical field [0001] The present invention relates to a power unit for a vehicle, which has an internal combustion engine and a transmission, and is mounted on a small vehicle such as an auto tricycle. Background technique [0002] In small vehicles such as auto tricycles, a structure is known in which a power unit including an internal combustion engine and a transmission and provided with driving wheels is suspended from a vehicle body frame having running wheels (front wheels). In this case, the suspension portion that suspends the power unit on the vehicle body frame is connected to the transmission (transmission case) in the lower portion of the power unit (see, for example, Patent Document 1). [0003] [Patent Document 1] JP-A-2001-322440 [0004] However, when the suspension is combined with the transmission, the work of assembling the power unit by combining the internal combustion engine and the transmission, and the work of combining the suspension with the asse...
Claims
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IPC IPC(8): B62M7/06B62K11/10B62M7/08B62M9/04
Inventor 锅谷真白木胜彦石川秀男
Owner HONDA MOTOR CO LTD