JPS6322765A - Handcart - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a hand cart for transporting articles on its neck, which is foldable when not in use.

(Prior art) As a conventional hand cart, for example, 1.
As described in Japanese Utility Model Publication No. 4365 and Japanese Utility Model Application Publication No. 59-102470, the supporting frame etc. can be folded when not in use, and as described in Japanese Utility Model Publication No. 61-15691, the supporting frame etc. can be folded. The frame and handle are foldable.

It is known that the wheels can be disassembled.

(Problem to be Solved by the Invention) However, in such conventional hand carts, the wheels are mainly formed using pipes and can only be folded with the wheels exposed to the outside. When the device is folded and carried after use, the dirt on the DI ring may stain clothes and other surrounding objects, which is inconvenient and also detracts from its aesthetic appearance.

(Means for Solving the Problems) The present invention was made for the purpose of solving the problems mentioned above.To achieve this purpose, the present invention has a rectangular shape and a height. a support frame that is extendable and retractable in the direction; a load support plate made of a plate material and having one end supported by the support frame; and wheels attached to the lower surface of the support frame or the load support plate, and the support frame is shortened. The cargo support plate is foldable in the space on the inner edge side of the vehicle, and the wheels are removable or foldable to be stored.

(Function) Therefore, in the handcart of the present invention, by employing the means as described in (a) above, when not in use, the support frame is in a shortened state, the luggage support plate is in a folded state, and,
By storing the wheels, the entire shape can be made into a flat rectangular parallelepiped without exposing the wheels.

(Example) Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

First, the structure of the first embodiment shown in FIGS. 1 to 11 will be explained.

The hand cart A of this embodiment includes a support frame 10, a luggage support plate 20, and a pair of left and right wheels 30.

As shown in FIG. 3, the support frame 1.10 is configured to be expandable and retractable by a rectangular first frame 11, a mouth-shaped 27th L/-m 12, a third frame 13, and an i4 frame 14. They are all made of hollow pipes with cross-sectional openings.

The left and right frame members of the second frame 12 are slidably inserted into the left and right frame members of the first frame 11, and the first frame 11 and the second frame 12
A fitting concave portion 111 and a fitting convex portion 122 that fit into each other as a stopper mechanism for regulating the position of the second fly 1.12 in the extended state are formed on the sliding surface thereof.

Similarly, the left and right frame members of the third frame 13 are slidably inserted into the left and right frame members of the second frame 12, and the sliding surface thereof has an IT fitting recess 121.
and a fitting protrusion 132 are formed.

Further, the left and right frame members of the fourth frame 14 are slidably inserted into the left and right frame members of the third frame 13, and a fitting recess 131 and a fitting protrusion 142 are provided on the sliding surfaces thereof. It is formed.

That is, the support frame 10 can be extended to a height approximately four times higher in the fully extended state than in the shortened state.

The cargo support plate 20 includes a cargo platform 21, a standing leg plate 22, and a reinforcing plate 23.
It is constructed so that it can be folded up and is made entirely of plate materials.

The loading platform 21 has a base end that folds 11 around a shaft 211 provided on the lower frame member of the first frame 11.
It is axially supported by a hinge, and its outer shape follows the inner edge of the first frame 11.

The standing leg plate 22 serves as a leg of the loading platform 21, and is axially supported so as to be foldable around a shaft 221 provided at the tip of the loading platform 21.

Furthermore, an arm 24 is provided between the left and right sides of the loading platform 21 and the standing leg plate 22 for regulating the opening angle of the standing leg plate 22 with respect to the loading platform 21 within a predetermined range. On the other hand, it is rotatably supported around a rotation shaft 241, and a slide pin 242 is provided at the other end.
It is supported by this slide pin 242 so as to be slidable along a slide hole 222 formed in the side surface of the standing leg plate 22.

The range of the opening angle of the leg plate 22 by the arm 24 is from a state in which the leg plate 22 is along the lower surface of the loading platform 21 to a state in which it is slightly opened from a right angle to the lower surface of the loading platform 21.

The reinforcing plate 23 has a proximal end that is axially supported by the lower frame member of the first frame 11 via a spring plate 231, and an IF protrusion 232 is formed on the distal end side. There is.

Further, this reinforcing plate 23 is biased by a spring plate 231 in a direction in which the engaging IL convex portion 232 comes into pressure contact with the lower surface of the loading platform 21. By engaging with the stepped portion 212, the loading platform 21 is maintained in a state substantially perpendicular to the support frame 10.

The wheel 30 has an insertion part 32 formed on the upper surface of the support bracket 31, and the insertion part 32 allows the first frame 1
It is attached to the lower ends of both the left and right frame members of No. 1.

Note that this wheel 30 can be easily removed by pulling out the insertion portion 32.

Next, the operation of the first embodiment will be explained.

(When not in use) When not in use, the support frame 10 is shortened and has a rectangular shape as a whole.

The cargo support plate 20 is folded into three parts at both ends of the loading platform 21 and is arranged in the inner edge side space of the support frame 10, and closes the back side of the inner edge side space with the loading platform 21. The standing leg plate 22 and the reinforcing plate 2 are arranged opposite to each other.
3 closes the front surface of the inner edge space.

Further, the pair of wheels 30 are stored in a closed space formed by the support frame 10 and the load support plate 20, with ring portions 33 and insertion portions 32 arranged alternately.

Therefore, the hand cart A of this embodiment has a support frame 1
0 is shortened, the load support plate 20 is folded, and the wheels 30 are retracted, so that the outer edge of the support frame 10 becomes the side surface, and the load surface 21, the standing leg plate 22, and the reinforcing plate 23 are aligned to the north. It has a military-like oblate rectangular shape.

Note that in consideration of the width of the loading platform 21, etc., it is possible to reduce the size to a flat rectangular parallelepiped shape in which the upper and lower cloths are B5 size rectangles.

(In Use) When in use, when assembling the flat rectangular parallelepiped-shaped hand cart A, first, the fourth frame 14 is extended and the luggage support plate 20 is opened.

When opening the cargo support plate 20, the cargo platform 21 is
11 as the center, the slide pin 242 of the arm 24 will move against the stand plate 22 as the loading platform 21 moves.
The stand plate 22 slides along the slide hole 222, and the stand plate 22 opens from the position along the loading platform 21 centering on the shaft 221 and stands up.

At the same time, the reinforcing plate 23 falls forward about the spring plate 231 with the locking protrusion 232 in contact with the lower surface of the loading platform 21.

Note that the wheels 30 are taken out from inside the closed space before the cargo support plate 20 is opened.

When the loading platform 21 is tilted forward to a state perpendicular to the support frame 10, the locking protrusion 232 of the reinforcing plate 23 is engaged with the locking stepped portion 212 of the loading platform 21, and the loading platform 21 is maintained in a substantially horizontal state. Ru.

Further, the standing leg plate 22 is connected to the slide pin 242 of the arm 24.
The position where the slide hole 222 reaches the end of the slide hole 222 is maintained, that is, the state is maintained in a state where the slide hole 222 is opened slightly more than perpendicular to the lower surface of the loading platform 21.

Next, the support frame 10 is extended to an arbitrary height, and the insertion portions 32 of the wheels 30 are inserted and attached from the lower ends of both the left and right frame members of the first frame 11, completing the assembly of the hand car A).

Here, when placing luggage in the handcar A, a luggage storage bag, a robe, etc. can also be used.

For example, as shown in FIG. 7, the baggage storage bag 41 is formed integrally with a case 40 into which the hand cart A of this embodiment is placed, and is stored in a pocket of the case 40.

When assembling and using the hand cart A, as shown in FIG.
0 may be placed on the loading platform 21 and attached to the support plate 10.

In addition, as shown in FIG. 9, the robe 51 is stored in a pocket of the case 50, and when in use, as shown in FIG.
You can also support the load by hooking it to a

At this time, if the case 50 is attached to the back side of the support frame 10, it will be convenient to carry it around.

After use, the hand cart A shortens the support frame 10, folds the luggage support plate 20, and pulls out and removes the 11j wheels 30 from the first frame 11, thereby forming a structure formed by the support frame 10 and the luggage support plate 20. It can be stored in a closed space, reducing the overall shape to a flat rectangular parallelepiped.

Note that if the hand cart A of this embodiment is attached to the back side of the hand bag 60 as shown in FIG. is supported by the support frame 10, and can be carried together with other cargo without having to be placed on a loading platform.

Next, a second embodiment shown in Fig. O1!13 will be described.

In describing the second embodiment, the same components as those in the first embodiment are given the same reference numerals, and the explanation thereof will be omitted. Furthermore, explanations of the same functions as in the first embodiment will be omitted.

This embodiment is an example in which a closed space formed by the support frame 10 and the luggage support plate 20 is provided with a spare space 70 for storing luggage storage bags and robes in addition to a space for wheels.

Note that the pair of wheels 30 are arranged opposite to each other.

The spare space 70 is formed between the insertion portions 32 of the wheels 30.

Hereinafter, the embodiments of the present invention have been described in detail with reference to the drawings.
The specific configuration is not limited to this embodiment, and any design changes or the like that do not depart from the gist of the present invention are included in the present invention.

In the embodiment, when the wheels are stored in the closed space formed by the support frame L and the platform support plate, the wheels are removed from the support frame and stored, but they may be folded and stored.

Furthermore, the arrangement of the wheels during storage is not limited to the embodiment.

Additionally, the wheels may be attached to the underside of the loading platform.

Alternatively, the standing leg plate and the reinforcing plate may be formed of rod-shaped members, and the cargo platform may be formed of a foldable and wider plate material.

(Effects of the Invention) As described above, the hand cart of the present invention can have an overall shape of a flat rectangular parallelepiped when not in use, and is therefore very compact and convenient to carry.

In addition, in the flat rectangular parallelepiped shape, the wheels are not exposed to the outside, so the appearance is neat and aesthetically pleasing, and there is no fear that the wheels will stain clothes or surrounding objects after use.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the hand cart according to the first embodiment of the present invention when it is not in use, FIG. 2 is a vertical sectional view taken along line II--II in FIG. 1, and FIG. 3 is a - 4 and 5 are vertical sectional views illustrating the assembly procedure of the hand cart of the first embodiment, and FIG. 6 is a perspective view showing the assembled state of the hand cart of the first embodiment, Figures 7 to 12
The figure is a perspective view showing an example of use of the hand cart of the first embodiment;
FIG. 13 is a perspective view showing the second embodiment in an unused state. 10...Support frame 20...Loggage support plate 21...Loading platform 22...Standing board 23...Reinforcement plate 30...Wheels (Figure 3, Figure 5, Factor 7, Figure 9) 51 Figure 10

Claims (1)

[Scope of Claims] 1) A support frame that has a rectangular shape and is expandable and retractable in the height direction, a cargo support plate made of a plate material with one end supported by the support frame, and a support frame or a cargo support plate that is made of a plate material. wheels attached to the lower surface, and the load support plate is foldable in the space on the inner edge side when the support frame is shortened, and the wheels can be stored by removing or folding. hand cart. 2) The handcart according to claim 1, wherein the luggage support plate is disposed in a folded state so as to close the front and back sides of the space on the inner edge side of the support frame.