JP2001315646A - Endless belt braking system for climbing stairs of wheeled motorcycles for carrying luggage - Google Patents

Abstract

(57) [Summary] [Problem] To brake an endless belt so that contact resistance between the endless belt and the stairs increases when the stairs are moved up and down. SOLUTION: A main frame 1 provided with a grip portion 2 at a rear end.
An article mounting table 3 is erected at the tip of the main frame 1. Further, a wheel 6 and a pair of pulleys 11, 11 'are rotatably supported on the main frame 1, and an endless belt 7 for ascending and descending stairs is stretched over the pulleys 11, 11'. Then, the regulating piece 12 having the receiving teeth 12a,... Arranged in a row at the periphery is integrally mounted on the pulley support shaft 10 coaxially with the pulley. Also, the receiving teeth 12a of the regulating piece 12
An operating device provided on the main frame 1 is provided with a locking piece 13 for engaging and disengaging the main frame 1, and an operating lever 17 of the operating device is provided at a rear end of the main frame 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a braking device for an endless belt for ascending and descending stairs of a two-wheeled motorcycle for carrying luggage.

[0002]

2. Description of the Related Art An article mounting table is erected on the front end of a main frame having a grip at its rear end. A hand-held motorcycle for carrying luggage, which supports a pulley and has an endless belt for ascending and descending a stair, is known without mentioning specific examples, and the motorcycle is rotatable toward the distal end side of the main frame. It is usually used for carrying luggage using a pair of supported wheels, but when going up and down stairs such as a station, hold the entire load with the gripping part while rotating the endless belt between the edges of the stairs. I go up and down the stairs.

[0003] Therefore, in the prior art, the weight of the hand-held motorcycle including luggage is loaded on the endless belt when going up and down the stairs, and the endless belt always tries to rotate in the direction of descending the stairs. When the ascent / descent operation is interrupted (due to fatigue, etc.), the weight of the motorcycle is unnecessarily loaded on the hand.

For example, paying attention to such a drawback of the conventional example,
The rotation of the endless belt (movement between the pulleys) is regulated so that the contact resistance between the endless belt and the stairs is increased during the ascending and descending of the stairs as described above, so that the falling along the stairs of the motorcycle is possible as much as possible. The present invention was devised for the purpose of prevention.

[0005]

At the front end of a main frame having a grip at the rear end, an article mounting table is erected on the main frame, and the wheels and a pair of pulleys are made rotatable. In a load-carrying hand-held motorcycle having a pulley on which an endless belt for ascending and descending stairs is stretched and supported on the main frame, a restricting piece having receiving teeth arranged on a peripheral edge thereof is coaxial with the pulley and supported by a pulley. An operating device provided integrally with the shaft and provided on the main frame with a locking piece for engaging and disengaging the receiving teeth of the regulating piece, and an operating lever of the operating device is provided on a rear end of the main frame. It is composed.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an embodiment of an endless belt braking device for climbing stairs of a hand-carrying motorcycle for carrying luggage according to the present invention,
1 is a front view, FIG. 2 is a side view of FIG. 1, FIG. 3 is a schematic explanatory view of an operating device, and FIG.

In the drawing, reference numeral 1 denotes a main frame, and the main frame 1 has a U-shaped central rod, which is formed by bending a metal pipe, disposed on the rear end side to form a grip portion 2, and a pair of side rods 1a, 1a, 1
The main body frame 1 is provided with an article mounting table 3 standing upright on the main body frame 1 at the end of the main body frame 1.

The article mounting table 3 is formed by disposing one piece in a direction perpendicular to the frame side rod 1a and the other piece of the metal plate bent in an L-shape and overlapped on the side rod 1a and welded. The luggage n placed on the article placing table is received by the placing table 3, and its weight is roughly loaded on the placing table 3 and the side rod 1a.

FIG. 4 shows that the article mounting table 3 is fixed to the side rod 1a via the other piece (by welding means).
An axle 5 is rotatably mounted between the wheel frames 4 and 4 on a wheel frame disposed on the front end side of the main frame 1, and wheels 6 are attached to both ends of the axle 5. Thus, the hand-held motorcycle A for transporting luggage of the embodiment is moved on a normal road.

The motorcycle A of the embodiment is provided with an endless belt 7 for ascending and descending stairs. A belt support frame 8 for mounting the endless belt 7 on the main frame 1 is shown in FIG. The frame 8 is formed of a U-shaped frame, and both ends are attached to another piece of the metal flat plate and a reinforcing piece 9 provided between the side rods 1a, 1a, and the frame 8 is provided relative to the main frame 1 via these. A pair of front and rear pulleys 11 and 11 ′ are respectively attached to the belt support frame 8 by a pair of front and rear pulley support shafts 10 and 10 ′ rotatably mounted on the support frame 8.
And the bandless belt 7 for ascending and descending stairs is stretched around the pair of pulleys 11 and 11 ′.

The belt 7 is provided with irregularities on its surface to increase the contact resistance with the steps, so that the steps can be moved up and down smoothly.

A restricting piece 12 is integrally mounted on the pulley support shaft 10 'of the rear pulley 11' on which the belt 7 is stretched so as to be coaxial with the pulley 11 '. By appropriately locking the lock 13, the rotation of the pulley 11 ′, that is, the movement of the beltless belt 7 is regulated.

The restricting piece 12 has a so-called gear shape, and is provided with receiving teeth 12a,.
By the locking of 3, the rotation is restricted in both forward and reverse (left and right) directions. The operating device B includes:
The main member is the locking piece 13 and the operating lever 17 provided indirectly on the main frame 1, and the piano wire 16 connecting these 13 and 17.

The locking piece 13 is tapered and has a front end provided with a locking claw 13a.
B is protruded, and the main body piece 13A is interposed between the side pieces 14a, 14a of the assembly frame 14 so that the side pieces 14a, 1
4a is pivotally attached to the support shaft 4a by a support shaft 15.

The mounting frame 14 is provided with the side pieces 14a, 14a.
And a support piece 23 erected between the support frames 8, 8 with a central piece 14c interposed between the side pieces 14a, 14a.
Are fixedly mounted on the base piece 14b.

The tip of the central piece 14c protruding from the side piece 14a of the assembly frame 14 and the connecting piece 13B of the locking piece 13 assembled to the side piece 14a are arranged so as to face each other. The rear end of the piano wire (connection line) 16 with the tip assembled to the connecting piece 13B is attached to an operation lever 17 pivotally connected to the main frame 1 in the vicinity of the grip portion 2 through a central piece 14c. is there.

The tip of the piano wire 16 is connected to the connecting piece 1
Movable element 1 movably assembled in guide hole 18 provided in 3B
9 and attached to the connecting piece 13B via the mover 19 as described above.

The movable element 19 has first and second locking pieces 19b and 19b 'attached to both ends of the cylindrical body 19a via the connecting piece 13B in the form of a flange with respect to the movable element 19. When the piano wire 16 is pulled by operating the operation lever 17, the cylindrical body portion 19a is
8 to move the first locking portion 19b into the connecting portion 1
3B is pressed to rotate the locking piece 13 to release the locking claw 13a from the receiving tooth 12a.
When the pulling operation of the piano wire 16 is stopped, the return spring 2 is interposed between the second locking piece 19b 'and the center piece 14c, and the piano wire 16 is conducted.
0, the second locking piece 19b 'is connected to the connecting piece 13
B is pressed to rotate the locking piece 13 to lock the locking claw 13a with the receiving tooth 12a.

In the moving element 19 of the embodiment, the cylindrical portion 19a has a screw cylindrical shape (a through hole is provided in a bolt formed by the second locking portion piece 19b 'and the cylindrical portion 19a). The first locking piece 19b is screwed into this, and the first locking piece 19b is
9a, and the separation distance (width) when the first locking piece 19b and the connecting piece 13B are separated (that is, when the locking claw 13a is locked to the receiving tooth 12a). ) Can be adjusted.

The operating lever 17 is pivotally connected to a support frame 21 attached to the main frame 1 in the vicinity of the grip portion 2 so as to be rotatable at an intermediate portion on the distal end side. ) Is attached.

The operation lever 17 is arranged near the grip portion 2 in order to smoothly operate the operation lever 17 so that the operation lever 17 may be attached to the grip portion 2 itself. The point is that the operation lever 17 may be arranged at a position where the operation lever 17 can be operated with the grip portion 2 in hand.

When the vehicle is traveling on a normal road, the wheels 6 roll and the cargo placed on the article mounting table 3 is smoothly transported. The piece 19b 'presses the connecting piece 13B, and the locking claw 13 of the locking piece 13 including the connecting piece 13B as a constituent material.
a engages between the receiving teeth 12 and 12 and presses against the locking piece 13, and even if the locking piece 13 is about to rotate, the locking claw 13 a is locked to the receiving tooth 12 and this rotation is performed. regulate.

When the operation lever 17 is rotated about the support shaft and the piano wire 16 is pulled at the time of ascending and descending the stairs, the second locking piece 19b 'presses the return spring 20 and the mounting frame 14 It moves in the direction of the center piece 14c, and at the same time, the first locking piece 19b also moves in the direction of the center piece 14c to press the connecting piece 13B of the locking piece 13, and as a result,
The locking piece 13 rotates about the support shaft 15, and with this rotation, the locking claw 13a is disengaged from the receiving tooth 12a, and the restriction piece 12, that is, the pulley 11, 11 'is released from its rotation restriction. The endless belt 7 can be freely rotated (moved), and the stairs can be smoothly moved up and down by the endless belt 7.

When the operator releases the operating lever 17 as necessary, the pressing state of the return spring 20 by the second locking portion 19b 'is released.
By pressing 0, the second locking piece 19b 'moves in the original position direction and presses the connecting piece 13B of the locking piece 13, and as a result, the locking piece 13 moves about the support shaft 15, Locking claw 1
3a is again locked to the receiving teeth 12a, and the rotation restricts the rotation of the pulley support shaft 10 ', that is, the pulleys 11, 11', and the beltless belt 7 is restricted in its rotation and is stopped. It is.

[0025]

The present invention has the configuration described above,
The endless belt for ascending and descending the stairs of the hand-held motorcycle for carrying luggage can be braked with a simple structure.

[Brief description of the drawings]

FIG. 1 is a front view.

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic explanatory view of an operating device.

FIG. 4 is a front view at the time of going up and down the stairs.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main frame 2 Grasping part 3 Article mounting table 6 Wheel 7 Endless belt 11, 11 'Pulley 12 Restriction piece 12a Receiving tooth 13 Locking piece 17 Operation lever

Claims (1)

[Claims] An article mounting table is erected at the front end of a main frame having a gripping portion at a rear end thereof, and a wheel and a pair of pulleys are rotatable so as to be attached to the main frame. In a load-carrying hand-held motorcycle in which an endless belt for ascending and descending a stair is stretched on the pulley, a restricting piece having receiving teeth arranged on the periphery is coaxial with the pulley and integrated with the pulley support shaft. A luggage carrier provided with an operating device provided on the main frame, and an operating lever of the operating device provided at a rear end of the main frame; Endless belt braking device for climbing stairs of hand-operated motorcycles.