JPH09249130A - Carriage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light-weight type carriage requiring no large space for storage by providing an arrangement so that wheels are positioned on one surface side of polygonal shape under the condition where frame members are arranged in the polygonal shape. SOLUTION: Wheels 10 are arranged on one surface of polygonal shape under the condition where three frame members 4 are arranged in the form of triangle. Under the condition where the three frame members 4 are arranged in a linear form, the wheels 10, 10 of the first frame member 4A and a third frame member 4B are positioned oppositely. Under the condition where the members 4 are arranged in the form of triangle, the surface on which the wheel 10 is mounted and the opposite surface thereto are positioned on the same plane which serves as a load placing surface 402. Accordingly it is possible to perform storage and attain light weight in the carriage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trolley used for carrying luggage.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 10 and 11, a dolly 70 used for carrying or moving luggage is provided with casters 72 on the lower surface of a flat pedestal 71, and the pedestal is A foldable handle 73 is attached to one side of 71. Then, the handle 73 is raised, the luggage 74 is placed on the pedestal 71, and the luggage 74 is transported or moved. At the time of storage, it is the current situation that the handle 73 is put on the floor as it is, or as shown in FIG. 11, the handle 73 is folded on a pedestal 71 and leaned in a proper place for storage or storage.

Further, as shown in FIGS. 12 and 13,
It is also provided that only the casters 77 are attached to the back surface of the circular pedestal 76 having a flat plate shape. This trolley 75 also carries the luggage 78 on the pedestal 76, and is carried on the floor as it is when it is stored or stored.
As shown in, it leans into place.

[0004]

As described above, although the conventional carts 70 and 75 have no problem in use, they have a problem in that they are taken out of space when they are stored and stored as they are on the floor.
In addition, a certain amount of depth is required when leaning against a wall or storing on a shelf or the like, and there is also a problem that space is taken up during storage and storage. In particular, there is a problem in that a dolly having a circular pedestal is unstable when it is leaned against and stored and stored.
Further, since the pedestals 71 and 76 have a peeled structure, there is a problem that they become heavy objects. The present invention has been devised in view of the above circumstances, and an object of the present invention is to provide a trolley that can be stored without taking up space and can be made lightweight.

[0005]

In order to achieve the above object, a trolley according to the present invention comprises at least three or more frame members having a predetermined length, connecting means for connecting the frame members, and The frame member is provided with engagement / disengagement means and wheels provided on the respective frame members, and the connection means has the frame members arranged in a straight line, and each frame member has its end portion apex. And arranged so as to be arranged in a polygonal shape.
The frame members are provided at the outer ends of the frame members located at both ends thereof in a state where they are arranged in a straight line, and the outer ends of the frame members located at the ends are arranged in a state where the frame members are arranged in a polygon. It is configured to be removably connected, and the wheel is provided on each frame member so as to be positioned on one surface side of the polygon in a state where the frame members are arranged in the polygon. Is characterized by.

Further, according to the present invention, the connecting means has an inclined surface formed at each end of the adjacent frame members so as to extend obliquely with respect to the longitudinal direction of the frame members, and both the adjacent frame members. Of the shaft provided over the inclined surface, the inclined surfaces are aligned with each other when one of the frame members is rotated 180 degrees about the axis so that both frame members are linear and further rotated by 180 degrees. It is characterized in that they are aligned with each other and connected in a bent shape when they are opened. Further, the present invention is characterized in that the three frame members are provided and the polygon is a triangle. Further, the present invention is characterized in that a permanent magnet is attached to a frame member location opposite to the side where the wheels are located in a state where the frame members are arranged in a polygonal shape. Further, the present invention is characterized in that the frame member is formed of a hollow member.

In the bogie of the present invention, the frame member has a polygonal shape by the connecting means and the engaging / disengaging means when in use, and has a linear shape when not in use. Therefore, the luggage can be carried by placing it on the frame member having a polygonal shape. When not in use, it can be stored and stored in a straight line so that it can be stored in a corner of the floor, leaned against a wall, stored on a shelf, etc. Further, the frame member can be configured by using a hollow member, for example, a tube made of an aluminum alloy, and the weight of the carriage can be reduced by using such a material.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a first embodiment of the present invention is shown in FIG.
It will be described with reference to FIG. 1 is a perspective view of a bogie, FIG. 2 is a plan view thereof, FIG. 3 is a plan view when linearly formed, and FIGS. 4 and 5 are cross-sectional views of a frame member in a connected state. The bogie 2 according to the first embodiment includes three frame members 4 and a connecting means 6 that connects the three frame members 4,
The frame member 4 is provided with engagement / disengagement means 8 and wheels 10 provided on each frame member 4.

As shown in FIG. 3, the three frame members 4 are located at the center with the first frame member 4A located at one end of the three frame members 4 arranged in a straight line. The second frame member 4B and the third frame member 4C located at the other end. As the frame member 4, in the embodiment, a hollow member made of an aluminum alloy and having a tubular cross section is used. As the frame member 4, besides, a hollow member made of an aluminum alloy and having a rectangular cross section, a wooden rod, a rod member made of synthetic resin, or the like can be used, and the weight of the frame is reduced.

The connecting means 6 is a second frame member 4B.
Of the first frame facing one end of the second frame member 4B
The second frame member 4 is provided between the end of the frame member 4A and the other end of the second frame member 4B.
It is provided between the other end of B and the end of the third frame member 4C. In the connecting means 6, as shown in FIG. 3, three frame members 4 are arranged in a straight line, and as shown in FIG. 2, the three frame members 4 are triangular with each end portion as an apex. Further, in the embodiment, they are arranged so as to be arranged in an equilateral triangle. The connecting means 6 includes one end of the second frame member 4B, an end of the first frame member 4A facing one end of the second frame member 4B, the other end of the second frame member 4B, and the second end of the second frame member 4B. At the end of the third frame member 4C facing the other end of the frame member 4B,
An inclined surface 602 extending obliquely with respect to the longitudinal direction of the frame member 4 and at an angle of 30 degrees in the embodiment,
The shaft 604 rotatably connects both of the adjacent inclined surfaces 602.

As shown in FIGS. 4 and 5, the shaft 604 is composed of bolts and nuts penetrating both inclined surfaces 602. One of the shafts 604 is centered around the shaft 604 in the triangular state shown in FIGS. When the frame member 4 is rotated by 180 degrees, the two inclined surfaces 602 are brought together to bring the frame member 4 into the linear state shown in FIGS. 3 and 5, and from the linear state shown in FIGS. Frame member 4
When further rotated by 180 degrees, both inclined surfaces 602 are brought together and the frame member 4 is in the state of an equilateral triangle shown in FIGS. 2 and 4.

The engaging / disengaging means 8 has the outer ends of the frame members 4 located at both ends of the three frame members 4 arranged in a straight line, that is, the first and third frame members 4 respectively.
The first and third frame members 4 are provided at the outer ends of A and 4C, and the three frame members 4 are arranged in a triangle.
The outer ends of A and 4C are configured to be detachably connected. In the embodiment, the first and third frame members 4A, 4
The engagement / disengagement means 8 is composed of a permanent magnet plate 802 which is attached to the outer end of C at an angle of 30 degrees in the longitudinal direction of the frame members 4A and 4C.

A caster wheel is used as the wheel 10 in the embodiment, and the wheel 10 is, as shown in FIGS. 1 and 2,
In a state where the three frame members 4 are arranged in a triangle, the polygon is arranged so that one surface of the polygon is positioned, and when the three frame members 4 are arranged in a straight line, as shown in FIG. First frame member 4A and third frame member 4C
Wheels 10 are located on the same side, whereas wheels 10 on the second frame member 4B are located on the opposite side. The three frame members 4 are arranged in a triangle and the wheel 10
The surface opposite to the side provided with is located on the same surface and serves as a luggage placement surface 402 on which luggage is loaded.

In this embodiment, when carrying a load, the first frame member 4A and the third frame member 4 are centered around the shaft 604.
C is rotated to form an equilateral triangle, and further, the first frame member 4A and the third frame member 4C are joined by the permanent magnet plate 802, and then the carriage 2 is assembled. Then, the luggage is placed on the luggage placement surface 402 and the carriage 2 is run to carry the luggage. In this case, in the embodiment, since the length of each frame member 4 is set to about 48 cm, a drum tube D having a diameter of about 60 cm can be placed as shown by an imaginary line in FIG. Further, when the dolly 2 is stored and stored, the joining by the permanent magnet plate 802 is released to remove the first frame member 4A and the third frame member 4C.
To separate the first frame member 4 around the shaft 604.
By rotating A and the third frame member 4C, the frame member 4
To make a straight line. Then lean against a wall.

Therefore, according to this embodiment, it is needless to say that luggage can be transported, and it can be leaned against a wall or the like without taking up a space when storing or storing. Further, since the carriage 2 can be linearly deformed, it can be easily stored on a shelf or the like, and when it is placed on the floor, it can be placed along the corner of the floor, taking up less space than before. In addition, it does not interfere with other work. Further, as the frame member 4, a hollow member made of an aluminum alloy as in the embodiment, a wooden rod, or a rod member made of a synthetic resin can be used to reduce the weight of the carriage 2.

Next, a second embodiment will be described. FIG.
FIG. 8 is a perspective view of a trolley according to the second embodiment, FIG. 7 is a plan view of the trolley, and FIG. 8 is a plan view in a straight state. In the second embodiment, the permanent magnet plate 20 is attached so as to face the luggage mounting surface 402 of each frame member 4, and the end portions of the first frame member 4A and the third frame member 4C are attached. This is different from the first embodiment in that a cylindrical safety cap 22 that covers the permanent magnet plate 802 for joining is detachably provided. Each frame member 4
By providing the permanent magnet plate 20 on the luggage mounting surface 402, the luggage does not move on the carriage 21 when the luggage made of a magnetic material such as a drum can is carried, and thus the luggage can be easily carried. In this case, when the frame member 4 is tubular as shown in FIG. 9 (A) or is circular and solid as shown in FIG. 9 (B), for example, the cross section of the permanent magnet plate 20 is circular. It is attached by being embedded in the surface of the frame member 4 in an arc shape. In addition, the safety cap 22 is used for the permanent magnet plate 80.
By covering 2 in particular, when storing and storing in a straight line, the acute-angled permanent magnet plates 802 at both ends are hidden, and there is no danger during storage and storage.

In the embodiment, the case where the connecting means 6 is constructed by using the shaft 604 and the inclined surface 602 has been described.
Connecting means 6 using various conventionally known structures such as universal joints
However, the use of the inclined surface 602 as in the embodiment is advantageous in maintaining a triangular shape or a linear shape by the engagement of the inclined surface 602. Also,
Although the embodiment has described the case where the engaging / disengaging means 8 is configured by using the permanent magnet plate 802, the engaging / disengaging means 8 may be configured by using various conventionally known structures such as hooks. Further, in the embodiment, the case where the carriage 2 is configured by using the three frame members 4 has been described, but the number of the frame members 4 may be three or more, and in that case, the polygonal carriage 2 is formed. Will be done.

[0018]

As is apparent from the above description, the trolley according to the present invention has at least three frame members having a predetermined length, connecting means for connecting the frame members, and the frame member. The connecting / disconnecting means is provided with wheels provided on the frame members, and the connecting means has a structure in which the frame members are arranged in a straight line and each frame member has its end portion as an apex. The engaging and disengaging means are provided at the outer ends of the frame members located at both ends of the frame members in a state where the frame members are linearly arranged, and the frame members are formed in a polygonal shape. Outer ends of the frame members located at the both ends in a lined state are configured to be detachably connected, and the wheels are
The frame members are provided on each frame member so as to be positioned on one side of the polygon in a state where the frame members are arranged in the polygonal shape. Therefore, it is of course possible to assemble a polygonal trolley by a frame member to carry luggage, and by making it linear when not in use, it can be stored and stored on the floor without taking up space. If a member having a rectangular shape is used, the weight of the carriage can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of a carriage according to a first embodiment.

FIG. 2 is a plan view of a carriage.

FIG. 3 is a plan view when the frame member is linear.

FIG. 4 is an explanatory view of a connecting means.

FIG. 5 is an explanatory view of a connecting means.

FIG. 6 is a perspective view of a truck according to a second embodiment.

FIG. 7 is a plan view of the carriage.

FIG. 8 is a plan view of a linear frame member.

FIG. 9 is an explanatory diagram of a mounted state of a permanent magnet plate.

FIG. 10 is an explanatory view of a conventional bogie.

FIG. 11 is an explanatory view of a conventional bogie.

FIG. 12 is an explanatory diagram of a conventional bogie.

FIG. 13 is an explanatory diagram of a conventional bogie.

[Explanation of symbols]

 2 dolly 4 frame member 6 connecting means 8 engaging / disengaging means 10 wheels 22 safety cap 602 inclined surface 604 axis

Claims (5)

[Claims] 1. At least three or more frame members having a predetermined length, connecting means for connecting the respective frame members, engagement / disengagement means provided on the frame members, and provided on each of the frame members. The connecting means is configured such that the frame members are arranged linearly, and the frame members are arranged in a polygon having each end as an apex. The frame members are provided at the outer ends of the frame members located at both ends thereof in a state where they are arranged in a straight line, and the outer ends of the frame members located at the ends are arranged in a state where the frame members are arranged in a polygon. The wheel is provided to each frame member so as to be located on one surface side of the polygon in a state where the frame members are arranged in a polygon. Truck and wherein the door. 2. The connecting means extends over both end surfaces of adjacent frame members and on both end surfaces of the adjacent frame members, and an inclined surface formed to extend obliquely with respect to the longitudinal direction of the frame members. The inclined surface is provided with one of the frame members about the axis.
2. The trolley according to claim 1, wherein when rotated by 180 degrees, both frame members are aligned with each other to form a linear shape, and when further rotated by 180 degrees, they are aligned with each other and connected in a bent shape. 3. The trolley according to claim 1, wherein three frame members are provided, and the polygon is a triangle. 4. The trolley according to claim 1, 2 or 3, wherein a permanent magnet is attached to a frame member opposite to the side where the wheels are located in a state where the frame members are arranged in a polygon. 5. The bogie according to claim 1, 2, 3 or 4, wherein the frame member is formed of a hollow member.