JP3338945B2 - Transport trolley - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport trolley that takes into consideration nesting when no luggage is loaded.

[0002]

2. Description of the Related Art Heretofore, there has been proposed a transport vehicle which makes the nesting operation simple and quick, and which can be performed orderly even on a carrier (JP-A-6-298094). In this transport vehicle, the bottom frame has a substantially U-shape in plan view, the interval between opposing sides is sequentially widened toward the open end, and two sheets are provided rotatably about the side edge on the open end of the bottom frame. It is characterized by including a side panel and a bottom panel rotatably provided inside the base edge of one side panel.

[0003]

In the case of the above-mentioned conventional transport cart, there are two panels and the other two panels are open, and the load collapses depending on the method of use. There was a necessary problem. Also, when using an intermediate shelf, it is necessary to prepare an intermediate shelf separately,
In this case, there is a problem that the removed intermediate shelf cannot be accommodated.

[0004]

According to the present invention, a lower edge of one of the side panels is rotatably mounted on a bottom frame having a substantially U-shaped plane and an open end, and the column of the side panel is rotatably mounted. The first problem is solved by rotatably attaching the side edge of the door panel to the side panel so that the door panel can be accommodated in the side frame of the one side panel. In addition, an intermediate shelf is provided between both side panels, and the intermediate shelf is provided with a locking member capable of locking the intermediate shelf stacked on the side panel to the side panel, thereby solving the latter problem. did.

That is, according to the present invention, a substantially rectangular side panel having a side frame composed of two columns and a ceiling material is erected on a bottom frame and casters are attached to four corners of a lower surface. In the substantially box-shaped cart, the bottom frame is substantially U-shaped in a plane, and the interval between opposing sides is sequentially increased toward the open end,
The open end of the bottom frame, mounted respectively caster, the two
The lower edge of one of the columns on one side panel to the open end of the bottom frame
Mounted for each pivot, attached respectively casters on the lower edge of the other strut of the both sides panels, sides of the both
A door panel is arranged between opposing columns of the panel, and a support member on one side edge of the door panel is rotatably fitted to a column of the one side panel, and the other side of the door panel is mounted. Edge on the other side
Detachably mounted on the panel of the strut, the said door panels,
When rotated , the side panel is inserted into the side frame of the one side panel.
A transport trolley characterized in that it can be stored so as not to protrude from the flannel .

Further, in the above, an intermediate shelf is provided between both side panels, and is a locking member which can be locked to one of the side panels on the intermediate shelf. A transport trolley having a shape capable of supporting each of the vertical intermediate shelves and rotating the intermediate shelves while being locked to the one side panel.

Further, a bottom panel is placed on a bottom frame, and the bottom panel is formed so as to be rotatable around a side edge located at a lower end portion of the other side panel. This is a transport trolley provided with a locking portion that can be locked to the other side panel when it is overlapped with the side panel.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A bottom frame having a substantially U-shape in plan and having a space between opposing sides gradually increasing toward an open end is formed. Attach casters to the open ends of the bottom frame via caster plates. The side panels are arranged opposite to each other on the bottom frame, and the lower edge of one of the columns of the side panel is rotatably attached to the open end of the bottom frame. A caster is attached to the lower edge of the other support of the side panel via a caster plate. A side edge of the door panel is rotatably attached to a support of one side panel, and the door panel can be accommodated in a side frame of the one side panel. A locking member is provided on the intermediate shelf that can be installed between the side panels so as to lock the intermediate shelf, which is placed on the side panel, to the side panel. The bottom panel is placed on the bottom frame, and the bottom panel is formed to be rotatable around a side edge located at a lower end of the other side panel. Further, the bottom panel is provided with a locking portion which can be locked to the other side panel when it is overlapped with the other side panel. As described above, the transport trolley is configured.

[0009]

The bottom frame has a substantially U-shape in plan view, the distance between the opposing sides is gradually increased toward the open end, and the lower edge of one of the columns of the side panel is rotatably attached to the open end of the bottom frame. Therefore, the cart can be folded into a substantially C-shaped plane, so that a plurality of transport carts can be nested on each other. In this case, since the width of the transport cart does not increase as compared with the transport, the transport cart can be arranged within the same width as the width occupied during the transport. Further, since the door panel is rotatable and the door panel can be accommodated in the side frame of the side panel, the accommodated door panel does not protrude from the side panel. In addition, since the intermediate shelf is provided with a locking member capable of locking the intermediate shelf superimposed on the side panel to the side panel, the intermediate shelf can be accommodated on the side panel when the intermediate shelf is not used or during nesting. . In addition, since the bottom panel is formed to be rotatable and provided with a locking portion that can be locked to the side panel, it is possible to maintain a state in which the bottom panel is overlaid on the side panel during nesting.

[0010]

Embodiment 1 An embodiment of the present invention will be described with reference to the drawings.

A bottom frame 1 is formed by bending a predetermined square pipe so that sides 3 and 4 facing each other in a substantially U-shape in plan view are gradually widened toward the open side 2. On the bottom frame 1, reinforcing bars 5 are erected and fixed to sides 3 and 4. Each side 3, 4 of the bottom frame 1
Casters 6 and 6 are fixed to the lower surfaces of the open ends 3a and 4a, respectively, and fixed casters 7 are attached to the casters 6 (FIG. 1B).

A round frame is bent into a substantially inverted U-shape (portion), and a side frame 12 having a shape in which a top material 11 is continuously connected to upper ends of columns 9 and 10.
To form A bottom member 13 is erected and fixed to the lower ends of the columns 9 and 10, and the vertical members 14, 14 and the horizontal members 15, 15 are arranged and fixed in a grid in the side frame 12, so that the side panels 16A,
Form 16B.

One of the columns 9 of the side panels 16A and 16B is attached to the open ends 3a and 4a of the sides 3 and 4 of the bottom frame 1 so that the side panels 16A and 16B can rotate about the column 9 as an axis. And attach each one. Usually caster plate 6,
A rod is protruded upwardly from above 6 and is inserted into the lower end of the column (pipe) 9 to be rotatable. Also, the side panel 16
A and 16B are arranged so as to be substantially parallel to each other.

A caster plate 17 is fixed to the lower end of the other column 10 of the side panels 16A and 16B, and a free caster 19 is attached to the lower surface of the caster plate 17. The casters 7, 7, 19, 19 are arranged so as to be located at four corners of a plane when the side panels 16A, 16B are positioned in parallel. At this time, the end of the bottom frame 1 is placed on the corners 18 of the caster plates 17, 17. In this state, the caster plates 17, 17
Are fixed on the upper surface of the corner 18 of the bottom panel 1 so as to be hooked to the inner edge of the bottom frame 1.
6A and 16B are prevented from rotating so as to open outward from the position.

In the above, the floor frame 1 is configured such that the bending side 1a is slightly bent upward. Floor frame 1 and side panel 1
When assembling with the floor frames 1A and 16B, the side panels 16A and 16B must be rotated so that the locking pieces 20 located outside the floor frame 1 are positioned inside the floor frame 1. At this time, the side panels 16A and 16B can be rotated so that the bent side 1a of the floor frame 1 is bent upward to bend and the locking piece 20 passes below the bent side 1a of the floor frame 1. Accordingly, the floor frame 1 and the side panels 16A and 16B do not come off during use, and the maintenance work such as the assembling work, the disassembling work, and the replacement of the side panels can be efficiently performed.

Next, support members 25 having a cylindrical fitting portion are vertically connected to one side edge 23 of a door panel 22 formed by assembling a vertical member 26 and a horizontal member 27 in a lattice shape. The support member 25 is rotatably and vertically movablely fitted to the column 10 of the side panel 16A. The door panel 22 includes:
It is formed so as to be accommodated in the side frame 12 of the side panel 16A and not protrude from the side panel 16A on a plane when it is rotated around the column 10 and overlaps the side panel 16A. That is, on the opposing surfaces of both panels, the horizontal member 15 of the side panel 16A and the horizontal member 27 of the door panel 22 are located at the same position in the vertical direction, and are arranged so that their heights are shifted vertically and do not abut. (FIGS. 6A and 6B). Both panels 16
When A and 22 are overlapped, the horizontal members 15 and 27 overlap vertically, and the door panel 22 is accommodated in the side frame 12 of the side panel 16A (FIG. 6B).

In order to prevent the door panel 22 from dropping, the door panel 22 is supported by the side panel 16A in a floating state with a gap below the lower edge 22a.
The side panel 16A is provided with a stopper 30 projecting from the lower edge of the support member 25.

A bar-shaped projection 28 is provided on the other side edge 24 of the door panel 22 so as to face downward. When the door panel 22 is opened (when it is located between the columns 10 and 10 of the side panels 16A and 16B). ), A fitting tube 31 for receiving the rod-like projection 28 of the door panel 22 is fitted and fixed to the side panel 16B. Also,
The horizontal member 27 of the door panel 22 is provided with a downwardly directed locking projection 29 that locks to the horizontal member 15 of the side panel 16A when housed in the side panel.

An intermediate shelf 3 is provided between the side panels 16A and 16B.
3 is installed. The intermediate shelf 33 has a crosspiece 35 inside a frame 34,
35 are formed vertically and horizontally in a lattice shape, and an edge 36 on one side (side panel 16B side) of the frame 34 is attached to the cross member 1 of the side panel 16B.
An inverted U-shaped locking member 38 that locks to 5 is protruded.
An edge 37 on the other side (side panel 16A side) of the frame 34 has a locking projection 39 for locking to the cross member 15 of the side panel 16A.
Is protruding. The locking projection 39 has an inverted U-shape similar to the locking projection 38 so as to be rotatable around the cross member 15, and has an outer lower edge extended and bent to the other side. 4
0 is formed (FIGS. 5A and 5B).

Subsequently, a grid-like bottom panel 42 is placed on the bottom frame 1.
And one edge 4 of the bottom panel 42 on the side panel 16B side.
3 so as to be rotatable about the bottom panel 42.
Is rotatably attached to the caster plates 6, 6 (or the bottom member 13 of the side panel 16B) on which the side panel 19B is erected. A U-shaped engaging portion 45 is fixed to one edge 44 of the bottom panel 42 on the side panel 16A side.
When the floor panel 42 is rotated and overlapped on the side panel 16B,
The locking portion 45 is locked to a locking projection 46 (formed by bending the horizontal member 15) formed on the horizontal member 15 of the side panel 16B,
Hold the bottom panel 42.

The carriage 50 is constructed as described above (FIGS. 1 to 3).

Next, the use of the carriage 50 will be described.

When the load is placed and used for transportation, the side panels 16A and 16B are set in parallel, and the caster plates 17 and
The 17 locking pieces 20 are locked to the bottom frame 1 (FIG. 1B).
In addition, the rod-shaped projection 28 of the door panel 22 is inserted into the fitting tube 31 of the side panel 16B to close the support columns 10 and 10 of the side panels 16A and 16B. The floor panel 42 is placed on the floor frame 1. Loading and unloading of the luggage are performed from one side of the support columns 9 and 9 of the side panels 16A and 16B. When the intermediate shelf 33 is used, the locking members 38 and 39 are connected to the side panel 16 respectively.
B and 16A are locked to the cross member 15 (FIG. 5 (b), FIG.
(A)). Luggage is surrounded by panels on three sides,
It is transported without any risk of collapse.

When the luggage is to be taken out, the rod-like projections 28 are removed from the fitting cylinder 31 from the support columns 9 and 9 of the side panels 16A and 16B or the door panel 22 is lifted up. The rotation can be performed in the direction of the arrow 51 (outside), and the rotation can be performed from the support columns 10 and 10.

Further, the door panel 22 is previously set to the position indicated by the arrow 5 in FIG.
By turning in one direction, the door panel 22 is overlapped with the side panel 16A, and the locking projection 29 is locked to the horizontal member 15 so that the door panel 2
2 can be stored (FIG. 6 (b)) and used as a transport trolley with two open sides (not shown).

Next, when nesting the transport vehicle 50, the door panel 22 is turned in the direction of arrow 51 in FIG. 6 (a) so that the door panel 22 overlaps the outside of the side panel 16A.
The locking projection 29 is locked to the cross member 15 to house the door panel 22 (FIG. 6B). At this time, since the vertical members 14 of the side panel 16A and the vertical members 26 of the door panel 22 are located at the same position in the horizontal direction, and are arranged so as to be shifted laterally so as not to abut, the door panel 22 is The side panel 16A is accommodated in the side frame 12 and does not protrude from the side frame 21 (FIG. 6).
(B), FIG. 7 (a) chain line illustration 22).

Further, the locking of the locking member 38 of the intermediate shelf 33 is released (indicated by a dashed line 33 in FIG. 5C), and the intermediate shelf 33 is indicated by an arrow around the cross member 15 to which the locking member 39 is locked. 2 (a) and 5 (c), the intermediate shelf 33 is positioned vertically, and overlaps the inside of the side panel 16A (where the housed door panel 22 is housed) (see FIG. 2). FIG. 5 (c)).

The floor panel 42 is rotated about the axis of one edge 43 in the direction of arrow 53 in FIG.
5 is locked to the locking projection 46 of the side panel 16B, and the floor panel 42 is superimposed on the inside of the side panel 16B (FIG. 1 (a) chain line 42, FIG. 7 (a)).

Subsequently, the locking between the locking pieces 20 of the caster plates 17, 17 and the bottom frame 1 is released, and the side panels 16A, 1
6B is rotated around the column 9 in the direction indicated by the arrow 54 in FIG. 7A, and the side panels 16A and 16B are respectively superimposed on the sides 3 and 4 of the bottom frame 1 (FIG. 7A). The transport carts 50, 50 in this state are nested such that the side panels 16A and the side panels 16B overlap (FIG. 7).
(B)). At this time, the transport cart 50 nested,
Since the width W1 of the carriage 50 can be made substantially the same as the width W0 (FIG. 1 (b)) of the carriage 50 during transportation, nesting can be performed within the area occupied by the carriage during transportation of the load.

In the above embodiment, the door panel 22 is housed in the side panel 16A. However, the door panel 22 can be rotatably attached to the column 10 of the side panel 16B and housed in the side panel 16B (not shown). Further, the floor panel 42 is overlapped on the side panel 16B and the intermediate shelf 33 is overlapped on the side panel 16A.
3 can be superimposed on the side panel 16B, respectively (not shown).

In the above-described embodiment, the fixed casters 7 are attached to the caster plate 6 and the swivel casters 19 are attached to the caster plate 17, respectively, so that the work is generally easy. However, the fixed casters 7 and Any of the swivel casters 19 can be attached (not shown).

In the above embodiment, the floor frame 1 is formed of a square pipe and the side frame 12 is formed of a round pipe. However, the floor frame 1 and the side frame 12 are formed of a square pipe, a round pipe or another pipe, or A material having any cross-sectional shape such as a solid bar or a plate can be used.

[0033]

According to the present invention, the bottom frame has a substantially U-shape in plan view, the distance between the opposing sides is gradually increased toward the open end, and the lower edge of one of the columns of the side panel is rotatable at the open end of the bottom frame. Since the carriage is mounted on the carriage, the carriage can be folded in a substantially C-shape in a plane, so that the nesting operation can be performed easily and quickly, and there is an effect that the carriage can be neatly arranged within the area occupied by the carriage when carrying the load. In addition, because the door panel is provided rotatably,
As a three-panel panel, it is possible to prevent the collapse of luggage, and it is possible to load and unload luggage from two sides, which has the effect of increasing the efficiency of transportation work. Further, since the door panel can be accommodated in the side frame of the side panel, the door panel does not protrude from the side panel and does not affect the nesting, so that the advantage of the nesting can be maintained.

Further, when the side panel is provided with a locking member capable of supporting the intermediate shelf in a substantially horizontal state and a substantially vertical state superimposed on the side panel, the intermediate shelf can be accommodated in the side panel. There is an effect that the transportation operation can be made more efficient and the advantage in the nesting operation can be maintained.

When the door panel is housed in the side panel,
For example, it can be used as a transport trolley with two open sides.
Wear.

[Brief description of the drawings]

FIG. 1A is a right side view of an embodiment of the present invention.
(B) is sectional drawing in the AA line of (a).

2A is a front view, and FIG. 2B is a rear view.

FIG. 3 is a left side view of the same.

FIG. 4 is a plan view in which an intermediate shelf is omitted.

FIG. 5 is an intermediate shelf used in the embodiment, (a) is a plan view,
(B) is an enlarged front view, and (c) is an enlarged front view of a stored state.

FIGS. 6A and 6B are schematic cross-sectional views for explaining the superposition of the side panel and the door panel, wherein FIG.
Represents overlapping time.

FIGS. 7A and 7B are cross-sectional views taken along line AA of FIG. 1 for explaining a nesting state.

[Explanation of symbols]

 Reference Signs List 1 bottom frame 2 open end (bottom frame) 3, 4 side (bottom frame) 6 caster plate 7 fixed caster 9, 10 column (side panel) 11 ceiling material (side panel) 12 side frame (side panel) 14 vertical member ( 15 side material (side panel) 16A, 16B side panel 17 caster plate 19 free caster 20 locking piece 22 door panel 33 middle shelf 38, 39 locking member (middle shelf) 42 bottom panel 43 one side end (shaft) 45 locking part (floor panel) 46 locking projection (side panel) 50 bogie

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-298094 (JP, A) JP-A-7-246938 (JP, A) JP-A-9-58481 (JP, A) 164468 (JP, U) Japanese Utility Model 64-26239 (JP, U) Japanese Utility Model Application 6-13982 (JP, U) Japanese Utility Model Application 4-67171 (JP, U) Japanese Utility Model Utility Model 61-115775 (JP, U) Japanese Utility Model Showa 61-93365 (JP, U) Japanese Utility Model Showa 53-140261 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B62B 3/14 B62B 3/02

Claims (3)

(57) [Claims] A substantially rectangular side panel having a side frame composed of two pillars and a ceiling material is erected on a bottom frame, and casters are attached to four corners of a lower surface. In the box-shaped cart, the bottom frame is substantially U-shaped in plan, the interval between opposing sides is gradually increased toward the open end, and casters are attached to the open ends of the bottom frame, respectively, and the both side panels are mounted . Attach one lower edge of the strut of freely respectively pivoted to the open end of the bottom frame, fitted with respective casters on the lower edge of the other strut of the both sides panels, to the opposite of the both sides panels
The door panel is arranged between the struts that, fitted to the support member one side edge pivotally in the door panel to the post of the one side panel
The other side edge of the door panel is connected to a support of the other side panel.
Attached detachably, wherein said door panel, when pivoted,
Projecting from the side panel into the side frame of the one side panel
A transport trolley characterized in that it can be accommodated so as not to be disturbed. 2. An intermediate shelf is erected between both side panels,
A locking member that can be locked to one of the side panels on the intermediate shelf. The locking member can support a horizontal state and a substantially vertical state of the intermediate shelf superimposed on the side panel, and is locked to the one side panel. The transporting trolley according to claim 1, wherein the intermediate rack is shaped to be rotatable in the state. 3. A bottom panel is placed on a bottom frame, and the bottom panel is formed so as to be rotatable around a side edge located at a lower end portion of the other side panel. The transporting trolley according to claim 1, further comprising a locking portion that can be locked to the other side panel when the side panel overlaps with the other side panel.