JPH0653359U - Wheelbarrows and Wheelbarrows - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a trolley and a trolley for a trolley that can easily climb up and down not only on a flat ground but also on an inclined surface having a step like a stair. [Constitution] One side along the length direction of the elongated plate is parallel to the lower surface 2
The belt 4 is stretched by a plurality of tension rollers 6 provided between the pair of symmetrical base plates 3 so that the belt 4 can travel, and the belt 4 is made parallel by a large number of running guide rollers 5 provided along the parallel lower surface 2. A pair of trolleys 1a and 1b that can travel outside along the lower surface 2 is used, and a pair of trolleys 1a and 1b are used.
The carriage body 1 made of b can be moved by the wheels 12,
A loading platform 14 can be installed on the trolley body 1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention mainly relates to a trolley for carrying a small baggage and a handcart for a small baggage.

[0002]

[Prior art]

 Major shipping companies mainly use courier as a means to easily transport and deliver small packages. In this courier service, a driver who also serves as a delivery puts parcels in his delivery area on a large truck, and after arriving at the delivery area, moves each parcel from the truck to a small transport wheelbarrow. , Are to be delivered to individual delivery destinations. At each railway station, there is a shop on the platform to sell confectionery, weekly magazines, drinks, and other items, but these items are transported on a regular basis or as needed for small-scale transportation by hand. It is brought to the shop using a car. In addition, although it is not a commercial item, a shopping cart with wheels may be used for daily shopping, and there is a baby carriage that carries a baby.

[0003]

[Problems to be solved by the device]

 The various wheelbarrows in daily use described above are equipped with two or four wheels so that they are convenient to move by hand, so they are extremely useful for moving on flat ground with luggage or baby. It is convenient. However, for example, in an apartment without elevators and escalators, a company building, a station platform, and other buildings that require luggage to be transported using stairs, leave luggage or a baby on the stairs when you climb up or down. I had to go up and down the car at every step of the stairs. Alternatively, the entire car had to be lifted and carried up the stairs, which required a great deal of effort. In particular, drivers and luggage carriers of transport companies who carry their luggage on a daily basis often go up and down stairs, and it was hard work to carry a truck each time. Furthermore, carrying a carrier carrying luggage while climbing stairs imposes a heavy labor burden, and there is a great risk of falling out of the stairs when stepping on it. In many cases, mothers (women) handle baby carriages and shopping carts, and it is inconvenient for a woman to lift a baby carriage with a baby on it or to lift a heavy shopping basket with shopping. It was a very difficult task.

[0004]

[Means for Solving the Problems]

 The present invention has been made in view of the above-described various handcarts, and an object of the present invention is to provide a truck for a transport vehicle that can easily transport the vehicle not only on a flat ground but also on stairs. In order to achieve this object, the present invention provides a belt 4 by a plurality of tension rollers 6 provided between a pair of symmetrical base plates 3 with one side along the length direction of the elongated plate being a parallel lower surface 2. A pair of single carriages 1a and 1b are provided so that the belt 4 can travel outside along the parallel lower surface 2 by a plurality of travel guide rollers 5 provided along the parallel lower surface 2. The carriage main body 1 including a pair of carriages 1a and 1b can be moved by wheels 12. Further, a loading platform 14 on which luggage can be placed is installed on the trolley body 1, and the loading platform 14 is replaceable.

[0005]

【Example】

 An embodiment of the present invention will be described in detail below with reference to the drawings. 1 and 2 show the whole of a hand truck according to the present invention. In each drawing, a truck main body 1 is composed of a pair of single trucks 1a and 1b. As shown in FIG. 3, each single carriage 1a, 1b is provided between a pair of symmetrical base plates 3 whose parallel lower surface 2 is at least one side (lower side) along the length direction of the long plate. A belt 4 is stretched so that it can travel, and a large number of travel guide rollers 5 provided along the parallel lower surface 2 cause the belt 4 to travel outside the base plate 3.

More specifically, a plurality of (three in the drawing) tension rollers 6 are rotatably provided on a base plate 3 whose one side is a parallel lower surface 2, and a belt 4 is tensioned between the rollers 6. To do. The belt 4 runs along a large number of rollers 5 provided along the parallel lower surface 2 of the base body 3, but the belt 4 runs outside the base plate 3 along the parallel lower surface 2. The belt 4 has a trapezoidal shape in which the width of the inner side surface is narrower than that of the outer ground surface. For this reason, as shown in FIG. 4, the belt 4 is stretched and the belts 4 are clamped by the rollers 6 so that the running position of the belt 4 does not shift to the left and right. A large number of rollers 5 provided along the parallel lower surface 2 are for running the belt 4 in parallel, so that the inner surface of the belt 4 contacts the outer surface of the roller 5, as shown in FIG. It has become.

The pair of left and right base plates 3 are connected by the rotating shafts of the rollers 5 and 6, and further, a plurality of places are connected and fixed using bolts and nuts. For example, as shown in FIG. 2 and FIG. 3, a cylindrical space holder 8 is provided between the base plates 3 around the bolt insertion holes 7 formed at symmetrical positions of both base plates 3, and the base plates on one side are provided. It suffices that a bolt 9 inserted from the outside of 3 is passed through the bolt insertion hole 7 and the holder 8 to project from the bolt insertion hole 7 of the other base plate 3, and the nut 10 is fastened to the projected bolt 9.

As described above, the belt 4 is stretched between the symmetrical base plates 3 and the belt 4 is allowed to run outside the base plate 3 along the parallel lower surface 2 of the base plate 3 as a single truck 1 a. Numerals 1b are symmetrically arranged on the left and right with an appropriate interval to form one trolley body 1. In each of the carts 1a and 1b, the upper part is connected by a handle 11, and the lower part is connected by a rotating shaft 13 of a pair of wheels 12. Further, in order to increase the connection strength, bolts, nuts or the like may be used to connect the trucks 1a and 1b at appropriate places. The tension state of the belt 4 can be adjusted by making a certain roller 6 of the tension rollers 6 movable along the base plate 3.

The trolley according to the present invention has the above-mentioned configuration, and by providing the trolley to the trolley, it can be used as a luggage carrier. 6 and 7 show a state in which a luggage carrier 14 on which luggage can be stacked is attached to the carriage body 1. That is, the cargo bed 14 is installed between the pair of carriages 1a and 1b on the parallel surface 15 opposite to the running parallel lower surface 2 of the belt 4, and the luggage 16 is placed on the cargo bed 14. As shown in the figure, on a flat surface 17 such as a road or a corridor in a building, if the handle 11 is held by hand and the wheels 12 are moved along the flat surface 17, it can be used as an ordinary transport vehicle. You can

When reaching the stairs from the level ground 17, as shown in FIG. 8, if the carriage main body 1 is pulled up so that the belt 4 is in contact with the corner of the stairs 18, the belt 5 is passed through the rollers 5 and 6. 4 travels, and the belt 4 runs outside along the parallel lower surfaces 2 of the carriages 1a, 1b, so that the carriage body 1 carrying the luggage 16 can be moved along the inclined surface of the stairs. It should be noted that when the stairs 18 are descended, the belt 4 may run so as to face the corners of the stairs 18.

The above-described loading platform 14 is an example, and as shown in FIG. 9, the loading platform 14 is formed by being extended from the trolley body 1 and the wheels 19 are provided at the tip of the loading platform 14 so that both wheels 12 , 19, the flat ground 17 can be moved stably. The shape and size of the luggage carrier 14 can be arbitrarily selected. In addition, if the loading platform 14 can be replaced according to the load 16 to be transported, it can be used as a cargo transport vehicle in all directions. The handcart described above can carry babies and children by forming not only the luggage 16 but also the platform 14 like a baby carriage. Furthermore, by attaching a bag, a basket, etc. to the trolley body 1, a shopping cart can be provided. It can also be used as

[0012]

[Effect of device]

 According to the present invention described above, since the wheel 12 is provided on the carriage main body 1 including the pair of carriages 1a and 1b connected to each other, the flat surface 17 can be moved by the wheel 12. Further, the belt 4 stretched between the base plates 3 can be run along the outside of the parallel lower surface 2 by a large number of rollers 5 provided along the parallel lower surfaces 2 of the carriages 1a and 1b. By traveling in contact with the corners of the stairs, it is possible to easily go up and down along the slope of the stairs. By installing the loading platform 14 on the trolley body 1, it is possible to transport and deliver packages. Moreover, not only the level ground 17 but also the stairs can be lifted and lowered, so that the labor of the luggage carrier can be reduced and it is also useful for preventing a fall accident on the stairs. Furthermore, by making it possible to replace the luggage carrier 14 with respect to the carriage body 1, it is possible to adapt to the size and shape of the luggage, and it can be used as a hand truck in a wide range of fields.

[Brief description of drawings]

FIG. 1 is an explanatory view of a trolley body of the present invention seen from a side surface.

FIG. 2 is a front view of the trolley body of the present invention.

FIG. 3 is an explanatory view of a single dolly with one pedestal plate omitted, as viewed from the side.

FIG. 4 is an explanatory diagram showing a relationship between a tension roller and a belt.

FIG. 5 is an explanatory diagram showing a relationship between a traveling guide roller and a belt.

FIG. 6 is an explanatory view showing a state in which a load is placed on a loading platform and is moving on a flat surface as viewed from a side surface.

FIG. 7 is an explanatory view of a state in which a load is placed on a loading platform and is moving on a flat surface as viewed from the front.

FIG. 8 is an explanatory view showing a state where a luggage is put on a luggage carrier and the stairs are moved, viewed from the side.

FIG. 9 is an explanatory view of a trolley body to which a luggage carrier of another example is attached as seen from a side surface.

[Explanation of symbols]

 1 bogie main body 1a bogie 1b bogie 2 parallel lower surface 3 base plate 4 belt 5 running guide roller 6 tension roller 7 bolt insertion hole 8 spacing holder 9 bolt 10 nut 11 handle 12 wheel 13 wheel axle 14 loading platform 15 parallel surface 16 luggage 17 Flat ground 18 Stairs 19 Wheels

Claims (4)

[Scope of utility model registration request] 1. A belt 4 is stretched so as to run by a plurality of stretching rollers 6 provided between a pair of symmetrical base plates 3 having one side along the length direction of the elongated plate as a parallel lower surface 2. In addition, a trolley for a handcart comprising a pair of single trolleys 1a and 1b capable of traveling the belt 4 on the outer side along the parallel lower surface 2 by a number of traveling guide rollers 5 provided along the parallel lower surface 2. . 2. A belt 4 is stretched so as to be able to travel by a plurality of tension rollers 6 provided between a pair of symmetrical base plates 3 whose parallel lower surface 2 is one side along the length direction of the elongated plate. At the same time, a single carriage 1a, 1b, which allows the belt 4 to travel outside along the parallel lower surface 2 by means of a number of travel guide rollers 5 provided along the parallel lower surface 2, is arranged on the left and right at appropriate intervals. A cart for a hand truck, characterized in that the upper portions of the trucks 1a, 1b are connected by a handle 11 and the lower portions are connected by a rotating shaft 13 of a wheel 12. 3. A belt 4 is stretched so as to be able to travel by a plurality of stretching rollers 6 provided between a pair of symmetrical base plates 3 having one side along the length direction of the elongated plate as a parallel lower surface 2. At the same time, a single carriage 1a, 1b, which allows the belt 4 to travel outside along the parallel lower surface 2 by means of a number of travel guide rollers 5 provided along the parallel lower surface 2, is arranged on the left and right at appropriate intervals. The upper part of the dolly 1a, 1b is connected by the handle 11, and the lower part is connected by the rotating shaft 13 of the wheel 12,
A trolley in which a loading platform 14 capable of stacking loads is attached on a parallel surface 15 opposite to the parallel lower surface 2. 4. The wheelbarrow according to claim 3, wherein the luggage carrier 14 is replaceable.