JP3496202B2 - U-shaped floor frame transport cart - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a U in which a side panel is erected around a floor panel and the floor panel is provided so as to be capable of undulating.
The present invention relates to a carriage for carrying a character-shaped floor frame.

[0002]

2. Description of the Related Art A caster is attached to the lower surface of a U-shaped floor frame which is narrowly closed on the front side and widely opened on the rear side, and a rear panel is provided on the rear side of the floor frame and a side panel adjacent to the rear panel. Attach to each floor frame,
There has been used a carriage for transporting a floor panel placed on the floor frame so that it can be raised and lowered around a floor rotation axis on the rear panel side.

[0003] This trolley is used by placing a load on a floor panel during transportation, and when it is not transported, raises the floor frame and holds it over the rear panel, and folds or removes the side panel to stack the floor frames. It was a useful cart that could be nested.

[0004]

In the case of the conventional dolly, since the front side of the floor frame is formed so as to be narrowly closed, the side panel may tilt toward the front side during transportation.
Especially, it occurred when the intermediate shelf was used.

In addition, when the floor panel and the side panel are stacked on the rear panel when not in use, each panel is not fixed and there is a problem of fluttering. To solve this,
It was necessary to take measures such as bundling all panels together. Further, in this state, when nesting a plurality of carriages so that the floor frames overlap each other, the floor frames do not work together, so that the nesting state cannot be collectively moved by a forklift or the like.

Further, since the attachment of the face material to each panel is performed by the bolts and nuts, the attachment is troublesome, and the face material needs to be manufactured by assembling a plurality of members.
There is a problem that it is complicated and leads to high cost.

[0007]

However, according to the present invention, since the side surface panel is provided with the locking means for locking the floor panel and the locking mechanism, and the supporting metal fitting is projected, the transportation cart is constructed. Solved the problem.

That is, according to the present invention, a caster is attached to the lower surface of a U-shaped floor frame which is narrowly closed on the front side and widely opened on the rear side, and the rear panel is provided on the rear side of the floor frame and is adjacent to the rear panel. The side panels are attached to the floor frame, and the floor panels are mounted on the floor frame so that they can be raised and lowered around the floor rotation axis on the rear panel side. Is rotatably attached around the vertical axis of the side panel, and locking means capable of locking with a lock mechanism with the floor panel is attached to the front surface of the lower end portion of the side panel. Is a carriage for laterally projecting a support metal fitting that is locked to the upper side of the floor frame , the lock mechanism
On the front side of the floor panel in parallel with the floor rotation axis.
Attach the working rod so that it can move in the front-back direction, and move the operating rod to the rear.
The side surface panel.
The front side of the lower end of the
The locking projection is formed on the upper surface of the operation panel.
Forming a guide edge that contacts the rod and guides the movement of the operating rod
And is characterized in that a locking claw is formed on the rear surface side.
It is a carriage for U-shaped floor frame .

Further, the front narrow edges of the two side members arranged in a V shape are connected by a front member, and a front reinforcing plate is fixed to the lower front surface of the side member, and the front reinforcing plate is at least the outside of the side member. A carriage for a U-shaped floor frame, characterized in that the floor frame is formed by projecting in a lateral direction toward one side.

Further, between the vertical members on the front side of the both side panels,
A front panel is arranged, and on both sides of the front panel, attaching / detaching means that can be engaged with and disengaged from the vertical member on the front side of the side panel is provided, and when both side panels are stacked and folded on the rear panel,
For transporting a U-shaped floor frame, characterized in that the removed front panel is attached to a side panel located outside, and the attaching / detaching means of the front panel can be engaged / disengaged with any one of the stacked panels. It is a dolly.

In addition, a lattice-shaped frame is formed on at least one of the panels, and the face material is arranged in the frame, and the face material is attached to an end portion of the base material so as to be fitted into the frame. Sections are integrally connected, or the mounting section is formed as a separate member, and a mounting claw protruding from the mounting section and a locking hole for locking the mounting claw at the end of the base material are formed. A transporting trolley for a U-shaped floor frame according to claim 1, wherein the face material having the above structure is integrally molded with a resin material.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION A carriage 70 includes a floor panel 13 which is erected on a U-shaped floor frame 1, a rear panel 22 which is arranged on the open side of the floor frame 1, and a closed side. The front panel 48 is disposed, and the side panels 35 and 36 are disposed on the other facing surfaces of the floor frame 1.

The floor frame 1 is substantially U-shaped, and the closed front side is a narrow side 3 and the open rear side is a wide side 4. Front reinforcing plates 7 and 7 are fixed to both ends of the narrow side 3 of the floor frame 1, and rear reinforcing plates 9 and 9 are fixed to both ends of the wide side 4, respectively. The casters 11 and 11 are provided on the lower surfaces of the both reinforcing plates 7 and 9, respectively.
Is fixed. A mounting portion 8 for mounting the floor frame 1 of another truck is formed on the outer surface side of the front reinforcing plate 7, and a mounting portion 10 for mounting the floor frame 1 of another truck on the inner surface side of the rear reinforcing plate 9. Are formed.

A support metal fitting 42 is provided at the lower ends of the side panels 35 and 36 so as to project inward and can be placed on the floor frame.
To fix. Further, locking projections 43 that guide the movement of the operation rod (lock mechanism) 31 of the floor panel 13 are attached to the front surfaces of the lower end portions of the side panels 35 and 36 in an upward direction.

The front panel has an open state (transport state).
The side panels 35, 36 and / or the rear panel 22 in the closed state (the state in which the panels 13, 22, 35, 36 are overlapped with each other) are locked to the side panels 35, 36 of the carriage 70 of FIG.
An engagement / disengagement tool 56 that can be engaged with is formed.

[0016]

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

1. Structure of transport cart

The carriage 70 has a floor frame 1, a floor panel 13, a rear panel 22, and a side panel 3 as follows.
5, 36, a front panel 48 and an intermediate shelf 64 (FIGS. 1 and 2).

(1) Structure of floor frame 1 (FIG. 4)

The side members 2 and 2 made of a metal pipe are arranged in a V shape, and the narrow sides 3 and 3 of both side members 2 and 2 are connected by two front members 5 and 5 made of a metal pipe arranged in parallel. Thus, the substantially U-shaped floor frame base material 6 is formed (FIG. 4A).

The front reinforcing plates 7 are fixed to the lower surfaces of both ends of the floor frame base material 6 on the closed side (narrow side 3 of the side members 2 and 2). The front reinforcing plate 7 is fixed to the end portions of the side member 2 and the front members 5 and 5, and also has a mounting portion 8 protruding outside the side member 2.

Rear reinforcing plates 9 are fixed to the lower surface of both ends of the floor frame base material 6 on the open side (the wide side 4 of the side members 2 and 2). A mounting portion 10 is formed so as to protrude inside the side member 2 of the rear reinforcing plate 9. The distance between the outer edges 7b, 7b of the front reinforcing plate 7 is equal to the inner edge 7a between the rear reinforcing plates 9,
It is formed to be narrower than the distance between 7a.

Casters 11 are attached to the lower surfaces of both the reinforcing plates 7 and 9 (FIGS. 1 and 2). The floor frame 1 is configured as described above.

(2) Construction of the floor panel 13 (FIG. 3 (a))

The floor panel 13 is placed on the upper surface of the floor frame 1, a floor rotating shaft 16 is provided on the rear side 15, and both end portions 17 and 17 of the floor rotating shaft 16 are connected to the rear reinforcing plate of the floor frame 1. It is supported by the upper surface of 9, 9. Further, an operation rod 18 is attached to an end portion of the floor panel 13 on the front surface side 14 in parallel with the floor rotation shaft 16. The operation rod 18 is movable in the front-rear direction in parallel, and is a spring (not shown).
It is urged to 4. The operating rod 18 is the floor panel 13
It can be operated from the lower surface of the end portion of the front surface side 14. It can also be operated from the through hole 20 formed in the upper surface.

(3) Structure of the rear panel 22 (FIGS. 6 and 7)

A gate-shaped base material composed of vertical members 23 and 24 and an upper horizontal member 25. The lower end members of both vertical members 23 and 24 are connected by a lower horizontal member 26. The horizontal cross members 28, 28 are arranged and formed in a lattice shape to form the rear panel 22 (FIG. 6). The lower ends of the vertical members 23 and 24 are attached to the upper surfaces of the rear reinforcing plates 9 and 9 of the floor frame 1 (FIG. 6).

In front of the vertical member 23, at a distance L ₁ from each other,
The reinforcing vertical members 29 are arranged in parallel, and the reinforcing vertical members 29 are fixed to the vertical members 23. Further, the lower end of the reinforcing vertical member 29 is attached to the upper surface of the rear reinforcing plate 9 (FIG. 7A).

Similarly, on the front side of the vertical member 24 on the other side, the distance L
₂ (L ₂ is approximately twice as large as L ₁ ) are separated from each other, the reinforcing vertical members 30 are arranged in parallel, the reinforcing vertical members 30 are fixed to the vertical members 24, and the lower ends of the reinforcing vertical members 30 are rear reinforcing plates. Attached to the upper surface of the
(B)). Further, the side reinforcing plates 12 which are erected and fixed to the outer edges of the rear reinforcing plates 9 and 9 are located outside the lower end portions of the vertical members 23 and 24 and the reinforcing vertical members 29 and 20, respectively (FIG. 7). .

Further, hinges 33, 33 for connecting the side panels are attached to the reinforcing vertical members 29, 30.

The one hinge 33a of the reinforcing vertical member 29
On the front side of the distance L ₃ apart, short holding rod 31 for holding the front panel 48 are arranged in the vertical direction. Further, between the reinforcing vertical member 29 (30) and the vertical member 23 (24),
The receiving plates 32 having the recesses 32a for receiving the rotating rods 67 of the intermediate shelves 64 are fixed, respectively. The rear panel 22 is constructed as described above (FIGS. 6 and 7).

(4) Structure of the side panels 35, 36 (FIG. 5)

A gate-shaped base material composed of vertical members 37, 37 and an upper horizontal member 38. The lower end members of both vertical members 37, 37 are connected by a lower horizontal member 39, and a vertical cross member 40 is provided in the base member. Then, the horizontal crosspieces 41, 41 are arranged to form a grid pattern (FIG. 5C).

In the middle portion of the lower horizontal member 39, in the horizontal direction,
A plate-shaped support fitting 42 is provided so as to project. Also, the lower horizontal member 39
The locking projection 43 is fixed to the front side of the. The locking projections (locking means) 43 are formed by vertically arranging the end of a horizontal plate 43a protruding horizontally inward to form a vertical plate 43b. The horizontal plate 43a is fixed to the lower horizontal member 39. Has been done. Further, the locking projection 43 has a guide edge 44 that is directed downward toward the front side at the upper end of the vertical plate 43b, and below the guide edge 44,
Locking claw 45 capable of locking the operating rod 18 of the floor panel 13
Are formed (FIG. 11B). The side panels 35 and 36 are configured as described above (FIG. 5).

The one side panel 35 connects the rear vertical member 37 to the reinforcing vertical member 29 of the rear panel 22 via hinges 33, 33 so as to be rotatable around the vertical member 37. To do. Similarly, the rear side vertical member 37 is connected to the reinforcing vertical member 30 of the rear panel 22 via hinges 33, 33 so that the other side panel 36 is also rotatable around the vertical member 37 (FIG. 1 (a), FIG. 2 (a), FIG. 7).

(5) Structure of the front panel 48

Vertical members 49, 49, upper horizontal member 50, lower horizontal member 50
At a, a frame-shaped substrate is formed. Suspending members 51, 51 are provided on the upper cross member 50 so as to project upward so that they can be locked to lateral members. Further, a U-shaped frame member 52 is provided on the inner side of the vertical members 49, 49 so as to be housed in the plane. In the U-shaped frame member 52, a strip-shaped guide plate 53 arranged so as to face inward is installed. That is, the upper end 54 of the guide plate 53 is located outside and the lower end 55 is located inside (FIG. 9A). In addition, an engaging / disengaging tool 56 having a guide tube 57 that passes through the guide plate 53 is attached. The engaging / disengaging tool 56 is bent outward in a semicircular shape so as to be gripped by the holding rod 31 of the rear panel 22 and the vertical members 37, 37 of the side panels 35, 36, and a gripping portion 58 is formed on the outside. (FIG.9 (b)).

When the engaging / disengaging tool 56 moves up and down along the guide plate 53 and is in the lowered position (56A in FIG. 9), the vertical member 37 of the side panels 35 and 36 or the holding rod 31 of the rear panel 22 is used. The front panel 48 can be held by gripping (FIG. 9B). In addition, when the engaging / disengaging tool 56 is raised (56 in FIG. 9).
B), the grip portion 58 of the engagement / disengagement tool 56 further projects outward, and the grip is released (FIG. 9C).

The front panel 48 is a side panel 35,
The suspension members 51, 51 are locked to the side bars 60 provided on the upper ends of the vertical members 37, 37 on the front side of 36, and the grips 58 of the engaging / disengaging tools 56, 56 are fixed to the side panels 35, 36. The vertical member 37 is gripped and attached (FIG. 1 (b)). One end 61 of the side bar 60 is rotatably attached to a vertical member of one side panel 36, and the other end 62 is detachably locked to a vertical member 37 of the other side panel 35.

The front panel 48 is also provided in the base material.
The vertical rail members 59 and the horizontal rail members 59a, 59a are arranged and formed in a lattice shape.

(6) Structure of the intermediate shelf 64 (FIG. 3B)

In the intermediate shelf 64, front shelf pieces 65 and rear shelf pieces 66 are connected by hinges 69, 69, and rotation bars 67, 67 project laterally from the rear side edge of the rear shelf pieces 66. Rotating rod 6
7 is supported in the recess 32a of the receiving plate 32 of the rear panel 22. Further, a locking rod 68 that is projected and retracted in the lateral direction is attached to each of the shelf pieces 65 and 66. The locking rod 68 is locked to the receiving plate 46 (the horizontal crosspiece 41) of the side panels 35 and 36.

2. Use of the carriage 70

Next, the use of the carriage 70 of the present invention will be described.

(1) At the time of transportation, luggage is placed on the floor panel 13 and the intermediate shelf 64 and transported. At this time, the load on the side panels 35, 36 (including the load from the intermediate shelf 64)
Is transmitted to the operating rod 18 via the locking projections 43 or to the side members 2 and 2 via the support fittings 42, 42, and is directly transmitted to the floor frame 1, so that the load is placed on the intermediate shelf 64. Even if the carriage 70 does not tilt forward while the vehicle is traveling, stable traveling is possible.

When the intermediate shelf 64 is not used,
If the locking rods 68, 68 are operated to release the locking with the side panels 35, 36, the locking rods 68, 68 rotate around the rotating rod 67 and can be housed by being attached to the rear panel 22. Further, by removing the rotary rod 67 from the receiving plate 32 of the rear panel 22, the intermediate shelf 64 can be removed from the carriage 70.

When loading or unloading a load from the front side, the engaging / disengaging tool 56 is raised to release the engagement between the side panels 35 and 36 with the vertical member 37 (FIG. 9 (b)). When lifted up, the engagement with the side bar 60 can be released, and the side bar 60 can be removed from the carriage 70. Front panel 48 removed
Can be attached to each of the panels 22, 35, 36 by locking the suspension member 51 to the upper lateral members 38, 25 or the lateral cross members 41, 28 of the side panels 35, 36 or the rear panel 22 (not shown). Absent).

(2) When not used for transportation,
The front panel 48 is removed as described above, and the tip end 62 of the side bar 60 is unlocked. The removed front panel 48 is stacked on the outside of the side panel 36,
Attach the suspension members 51, 51 of the front panel 48 to the side panel 3
6 is attached to the side rail 36 and is attached to the side panel 36. At this time, the front panel 48 is attached so that the engaging / disengaging tool 56 is arranged at a predetermined position.

Subsequently, if the operation rod 18 is operated from the lower surface side of the floor panel 13 against the spring so as to pull it toward the front surface side (FIG. 11 (b) 18A), the operation rod 18 and the side panels 35, 3 are formed.
6 is released from the engagement with the engagement protrusions 43, 43, and the floor panel 13 is rotated around the floor rotation shaft 16 and raised to the rear panel 22 side. Can be attached. Then, the side panel 35 and the side panel 36
(The front panel 48 is attached) can be sequentially folded so as to overlap with the rear panel 22 side (folded floor panel 13 side).

Subsequently, engaging / disengaging tools 56, 5 of the front panel 48 are provided.
6 is lowered and one of the grip portions 58 is locked to the holding rod 31 of the rear panel 22, and the grip portion 58 of the other engaging / disengaging tool 56 is locked to the vertical member 37 of the side panel 36. The rear panel 22, the floor panel 13, the side panel 35, which are stacked,
36 and the front panel 48 are integrally held, and each panel 2
2, 13, 35, 36 and 48 do not vary (Fig. 10).

(3) As described above, each panel 22, 13,
If the front side of the carriage 70 in which 35, 36 and 48 are folded is inserted from the rear side of the other folded carriage 70A,
Floor frames 1 and 1A can overlap and nest (Fig. 1
0, FIG. 4 (a).

At this time, the side member 2 of the floor frame 1 of the rear carrier truck 70 is placed on the mounting portion 10 of the rear reinforcing plate 9 of the floor frame 1A of the front carrier truck 70A. The side member 2 of the floor frame 1A of the front carriage 70A is placed on the mounting portion 8 of the front reinforcing plate 7 of the floor frame 1 of the rear carriage 70, and the nesting carriage is stable. It can be held (Fig. 4 (a)). Therefore, even if a plurality of nesting transport carriages are collectively conveyed by inserting a fork of a forklift truck from the rear side as shown by the arrow 72 in a state where a plurality of transport carriages are nested, there is no possibility that each transport carriage shifts. (FIG. 4 (a)). Further, since the fork is engaged with the front members 5, 5 of the floor frames 1, 1A, the floor frames 1, 1A are not damaged.

(4) Pull out the respective carriages 70, 70A from the nesting state, and engage / disengage the fitting 5 of the front panel 48.
By pushing up 6, 56, the front panel 48 can be removed from the side panel 36. Then, each panel 2
The floor panel 13 can be placed on the floor frame 1 by opening 2, 13, 35 and 36 in order and rotating the floor panel 13. At this time, both ends 19, 19 of the operating rod 18 of the floor panel 13 are attached to the side panel 3
5 and 36 are brought into contact with the guide edge 44 of the locking metal fittings 43 of 5 and 36 and moved along the guide edge 44 (18B → 18C), and the both ends 19, 19 of the operation rod 18 are locked by the springs. 11 (a) and 11 (b)). Therefore, the floor panel 13 and the side panels 35 and 36 are held at predetermined positions, and the holding cannot be released unless the operating rod 16 is operated. Further, at this time, the locking protrusion 43 and the operating rod 18
Prior to the locking of the
Is adjusted so as to contact the side members 2 and 2, so that the side panels 35 and 36 can be aligned (not shown).

3. Other examples

(1) In the above embodiment, each panel 2
A face material 74 can be attached to 2, 13, 35, 36, 48 (FIGS. 12, 13). For example, the rear panel 22
A resin face material 74 is attached to a lattice 73 surrounded by the vertical members 23, the horizontal bars 28, 28, and the vertical bars 27 (FIG. 12A).
FIG. 13A).

In FIG. 13, the face member 74 is a grid 7
3 and a mounting portion 77 that can be fitted into the horizontal crosspiece 28 (FIG. 13A). At both ends 76, 76 of the substrate 75, the circular-shaped locking holes 75a, 7
5a, a rectangular locking hole 75 b, Ru 75b bored tare (Figure 13 (c) (d)) . Mounting piece 80 of the mounting portion 77
The mounting claw 81 and the circular locking hole 85 are formed in the base. Furthermore, the mounting piece 80a of the mounting portion 77, rectangular engagement hole 82 to be engaged with the engaging hooks 81, the engaging locking projection 84 which can be fitted into stop hole 85 is projected .

When mounting the face member 74, the mounting portion 77 of the face member 74 is fitted to the horizontal rail member 28 (FIG. 13C).
(D)), with overlapping mounting piece 80,80a to the substrate 75, interpolate fit the locking projection 84 inserted through the locking hole 75a of the base member 7 5 locking hole 85 (FIG. 13 (b) ). Also, the base material 7
5 , the mounting claw 81 inserted through the locking hole 75b of
Lock on. Further, here, the locking projection 84 and the locking hole 85
Since the locking claw 81 is provided, it is possible to guide the locking of the locking claw 81 with the locking hole 75 and the locking hole 81 and prevent the locking claw 81 from being unlocked.

(2) Further, in FIG. 12, the other face material 74 has both end portions 76, 76 of the base material 75 for covering the lattice 73.
On the other hand, one edge 78 of the cut tubular mounting portion 77 is integrally provided continuously, and the attachment piece 80 is integrally provided at the other edge 79 of the attaching portion 77 (FIG. 12B). An attachment claw 81 is provided on the base material 75 side of the attachment piece 80 so as to project from the end portion 7 of the base material 75.
An engaging hole 82 having an engaging edge 83 with which the attachment claw 81 is engaged is formed in the hole 6 (FIG. 12 (c)). The face member 74 having the above-described shape is integrally formed of resin.

When mounting the face member 74, the mounting portion 77 of the face member 74 is fitted on the horizontal rail member 28 (FIG. 12 (c)), and the mounting piece 80 is placed on the base material 75, so that the mounting claw is mounted. 81 is the locking hole 8
After being inserted into the second frame 2, the frame is locked by the locking edge 83 and held (FIG. 12 (d)).

(3) In the above embodiment, the side panel 3
The support fittings 42 of 5, 36 are attached to the middle portion of the lower cross member 39, but if the load of the side panels 35, 36 can be transmitted to the floor frame 1, the front side, or both the front side and the middle side, It can also be attached (not shown).

(4) The engaging / disengaging tool 56 of the front panel 48 is provided on the vertical member 37 of the side panel 36 and the holding rod 41 of the rear panel 22 when the panels 22, 13, 35 and 36 are folded. Locked but stacked panels 22, 13, 35, 36
The panels and members to be formed are arbitrary as long as they can be bundled (not shown).

(5) In the above embodiment, the floor frame 1
Although the mounting portions 8 and 10 are provided on both the front reinforcing plate 7 and the rear reinforcing plate 9, the function can be secured if the mounting portion 8 is formed by projecting at least to the outside of the front reinforcing plate 7 (illustrated in the figure). Not).

[0063]

The side panel is rotatably mounted around the longitudinal axis on the rear side, and the lower end of the side panel is provided with locking means for locking the locking mechanism with the floor panel on the front side. Therefore, there is an effect that the side panel cannot be opened accidentally and the vehicle can run safely and stably with the floor panel lying down. Also, if you unlock the lock mechanism and raise the floor panel, you can easily open and close the side panel, and if you place the side panel in place and turn down the floor panel, you can automatically open it without any special operation. The lock mechanism operates to hold the side panel and the floor panel.

Further, since the side panel is provided with the supporting metal fitting which is engaged with the upper side of the floor frame, the load of the side panel is directly transmitted to the floor frame, and even when the intermediate shelf is used, the carrier truck is used. There is an effect that the vehicle can run stably without inclining to the front side.

[0065] Also, in the underframe, be configured to secure the front reinforcement plate and the rear reinforcing plate, upon nested <br/> ring floor frame sleep heavy, reinforced side members of adjacent floor frame plate Since it is placed on the top, the nested carriages do not shake, and there is no risk of the nested carriages being exposed even when they are collectively lifted by a forklift or the like.

Further, on both sides of the front panel, detachable means which can be engaged with and disengaged from the side panel is provided, and the detachable means of the front panel is
When folded, it can be attached to and detached from the stacked panels, so there is an effect that the folded panels can be bundled together and run stably.

Further, since the face material is integrally molded with resin, it is easy to manufacture, and since the face material is attached by attaching the attachment claws to the engagement holes, tools are not required and the attachment and removal are easy. effective.

[Brief description of drawings]

FIG. 1 (a) is a left side view of a carrier truck of the present invention,
(B) is a front view.

2 (a) is a right side view and FIG. 2 (b) is a rear view.

3A is a sectional view taken along line AA of FIG. 1B, and FIG. 3B is a sectional view taken along line BB of FIG.

FIG. 4 is a floor frame used in the embodiment of the present invention,
(A) is an enlarged plan view, (b) is also an enlarged front view,
(C) is an enlarged right side view.

FIG. 5 is also a side panel, (a) is an enlarged plan view,
(B) is an enlarged left side view and (c) is an enlarged front view.

FIG. 6 is an enlarged front view of the rear panel of the same.

FIG. 7 is also a rear panel, (a) is an enlarged left side view,
(B) is an enlarged right side view.

FIG. 8 is also a front panel, (a) is an enlarged left side view,
(B) is an enlarged front view.

9A is a partially enlarged front view of the engagement / disengagement tool of the front panel, FIG. 9B is a cross-sectional view taken along line CC of FIG. 9A,
(C) shows the sectional view in the DD line of (a).

FIG. 10 is a right side view of the transportation cart according to the present invention with each panel folded.

FIG. 11A is an enlarged front view for explaining engagement and disengagement of the locking projection piece of the side panel and the operation rod of the floor panel, and FIG.
It is an expanded sectional view in the EE line of (a).

FIG. 12 (a) is an enlarged front view showing a state in which a face member is attached to a lattice, FIG. 12 (b) is an enlarged vertical sectional view of the same, and FIG.
In the enlarged view of the F portion of Fig. 3, before locking, (d) similarly shows after locking.

FIG. 13A is another enlarged lattice front view in the middle of mounting, FIG. 13B is an enlarged cross-sectional view taken along line GG of FIG.
(C) is an enlarged sectional view taken along the line H-H of (a), (d).
FIG. 7A is a sectional view taken along line I-I of FIG.

[Explanation of symbols]

1,1A floor frame 2 side member 3 Narrow side (side member) 4 Wide side (side member) 5 Front member 7 Front reinforcement plate 8 Placement section 9 Rear reinforcement plate 10 Placement section 11 casters 13 floor panels 16 floor rotation axis 18 Operation rod (lock mechanism) 22 Rear panel 35, 36 Side panel 42 Support bracket 43 Locking piece 44 Guide edge 45 locking claw 48 front panel 53 Information board 56 Engagement device 60 sidebar 64 Middle shelf 70, 70A transportation cart 74 Face material 75 Base material 77 Attachment 81 Mounting claw 82 Locking hole 84 Locking protrusion 85 Locking hole

Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B62B 3/00

Claims (4)

(57) [Claims] 1. A caster is attached to the lower surface of a U-shaped floor frame which is narrowly closed to the front side and widely opened to the rear side, and a rear panel is provided on the rear side of the floor frame, and a side panel is adjacent to the rear panel. Attach to each floor frame,
In a trolley in which a floor panel is mounted on the floor frame so as to be capable of undulating around a floor rotation axis on the rear panel side, the side panel is rotatably attached around a rear vertical axis. Attaching a locking means capable of locking with a lock mechanism for the floor panel to the lower end front surface of the side panel, and supporting the upper end of the floor frame to the middle or front end of the lower end of the side panel. Do not project the metal fittings in the horizontal direction.
And a lock mechanism, wherein the lock mechanism comprises a floor panel.
The operation rod in the front-back direction in parallel with the floor rotation axis on the front side of the
Movably attached to the back of the operating rod
Comprising, the locking means is the lower end front surface of the side panel
Side, inside the predetermined distance, project the locking protrusion upward
Comprising the locking projection, the upper surface of the locking projection is abutted against the operation rod.
Form a guide edge to guide the movement of the operating rod, and
U-shaped floor frame characterized by being formed by forming a pawl
Dolly carriage. 2. The front narrow edges of both side members arranged in a V shape are connected by a front member, and a front reinforcing plate is fixed to a front lower surface of the side member, the front reinforcing plate being at least the outside of the side member. The carriage for transporting a U-shaped floor frame according to claim 1, wherein the floor frame is formed so as to project in a lateral direction toward one side. 3. The front panel is arranged between the vertical members on the front side of both side panels, and the attaching / detaching means which can be engaged with and disengaged from the vertical members on the front side of the side panels is provided on both sides of the front panel. When both side panels are overlapped and folded on the panel, the removed front panel is attached to the outer side panel, and the attaching / detaching means of the front panel can be engaged / disengaged with any of the stacked panels. A carriage for transporting a U-shaped floor frame according to claim 1. 4. A face material that is formed in at least one of the panels and has a lattice-shaped frame, and the face material is disposed in the frame. The face material is attached to an end portion of a base material and can be fitted to the frame. Sections are integrally connected, or the mounting section is formed as a separate member, and a mounting claw protruding from the mounting section and a locking hole for locking the mounting claw at the end of the base material are formed. A carriage for transporting a U-shaped floor frame according to claim 1, wherein the face material having the above structure is integrally molded with a resin material.