JP2724665B2 - Stock 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 stock cart used for loading and transporting a load or loading and storing a load in a warehouse.

[0002]

2. Description of the Related Art A conventional stock cart includes a cart on which casters are mounted, a pair of shelf frames attached to a front portion and a rear portion of the cart, and a shelf having both ends supported by the pair of shelf frames. And a plate.

[0003]

[Problems to be solved by the present invention] Conventional stock car
The shelf uses a pair of shelves with shelves that support both ends, so both sides of the pair of shelves are open, and if luggage is not correctly loaded on the shelves or carts, There is a drawback that collapse easily occurs. It is also considered to attach a side frame to one side of a pair of shelf frames. However, there is a disadvantage that the number of parts increases and the cost increases.

The present invention has been made in view of the above-mentioned conventional drawbacks,
An object of the present invention is to provide a stock cart that can use a shelf member as a shelf plate without increasing the number of parts and can also be used as a side frame for preventing collapse of a load.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the scope of the present invention.

[0006]

In order to achieve the above object, the present invention provides a nestable cart, a movable shelf frame detachably attached to a leading end of the cart, and a rear end of the cart. A fixed shelf frame fixed to the shelf shelf support bar of the fixed shelf frame and the shelf support bar of the movable shelf frame, the locking pieces at both ends are locked or the outer frame of the fixed shelf frame. A stock cart is constituted by a shelf plate on which the locking pieces at both ends are locked to the outer frame of the movable shelf frame or a shelf plate member which can be used as a side frame for preventing collapse of the load.

[0007]

The stock cart constructed as described above uses the shelf member as a shelf plate by engaging the locking pieces at both ends of the shelf member with the shelf support bars of the pair of shelf frames. Can,
The shelf members can be used as side frames by engaging the locking pieces at both ends of the shelf member with the outer frames of the pair of shelf frames.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 13, reference numeral 1 denotes a nestable cart.
Is a trapezoidal frame 2 having an open rear portion having a tip end portion smaller in width dimension than a rear end portion, and free casters 3 and 3 attached to both sides of the tip end of the frame 2; -M2
Fixed conversion casters mounted on both sides of the rear end
4, 4 and a lower surface of a front end portion for covering the upper portion of the frame 2 are formed on an inclined surface 5, and a rear end portion of the pivot pin 6 is attached to a rear end portion of the frame 2 or a fixed shelf frame described later. A base plate 7 rotatably attached to the frame 2, and cylindrical movable shelf frame supporting portions 9, 9 having rubber bumpers 8, 8 fixed to tip portions attached to both end portions of the frame 2, respectively. Rubber bumpers 10 and 10 fixed to the rear end of the frame 2;
The front end portion is fixed to the rear end outer surface of the drum 2 by welding or the like so as to protrude outward, and is constituted by fixed shelf frame fixing members 12, 12 of the inclined surface 11.

The base plate 7 has a plurality of non-slip rubbers 13 fixed on the upper surface thereof, and through holes 14 formed at the end corresponding to the movable shelf support portions 9. I have.

Reference numeral 15 denotes a fixed shelf frame fixing member 1 of the carriage 1.
A fixed shelf frame whose inner end is larger than the width dimension of the base plate 7 whose lower end portions are fixed to the base plates 2 and 12 by welding or the like. The fixed shelf frame 15 is formed by bending a square pipe material into an inverted U shape. Outer frame 16, and a plurality of shelf support bars 17, 1 fixed to the outer frame 16 at predetermined intervals in the horizontal direction.
7, 17, 17 and the plurality of shelf support bars 17, 1;
7, 17 and 17 and load-prevention bars 18 and 18 fixed to the outer frame 16 at predetermined intervals in the vertical direction;
Bumpers 19, 19, 19, 19 attached to the upper and lower portions of both sides of the outer frame 16 and projecting upward at the portions near both ends of the uppermost shelf support bar 17. Pieces 20 and 20 as inverted U-shaped hanging tools fixed so as to be fixed to each other, and a positioning and dual-purpose device attached to the uppermost shelf support bar 17 to which the locking pieces 20 and 20 are fixed. , And stopper pins 22, 22 attached to the shelf board support bars 17, 17 at positions near both ends thereof so as to protrude upward.

Reference numeral 23 denotes through holes 14, 1 in the base plate 7 of the carriage 1.
4 and a movable shelf frame detachably attached to the movable shelf frame supporting portions 9 and 9. The movable shelf frame 23 has the same width dimension as the fixed shelf frame 15 and a short height dimension. An outer frame 24 formed in a rectangular frame shape,
A plurality of shelf support bars 25, 25, 25 fixed to the outer frame 24 at predetermined intervals in the horizontal direction; a plurality of shelf support bars 25, 25, 25 and the outer frame; Load collapse preventing bars 26, 26 fixed at predetermined intervals in the vertical direction to the frame 24, projecting downward from the lower end of the outer frame 24, and through holes 14, 14 of the base plate 7 and the movable shelf frame. Insertion bar 2 detachably inserted into support portions 9 and 9
Nesting hooks 28, 28, rotatably mounted on a portion supported on the inner surface of the fixed shelf frame 15 in a suspended state near the upper portion of the outer frame 24, and rotatably mounted on the both sides. A hook mounting bar 29 formed with
Stopper pins 30 and 3 attached to portions of the shelf support bars 25 and 25 near both ends so as to protrude upward.
0.

Reference numeral 31 denotes a shelf member which can also be used as a side frame. The shelf member 31 has a rectangular pipe formed in a rectangular shape so that it can be stored as a shelf between the fixed shelf frame 15 and the movable shelf frame 23. An outer frame 32 formed in the shape of a frame,
A grid-like support 33 fixed to the outer frame 32
The U-shaped member is bent into an L-shape so as to protrude outward at portions near both sides of both ends of the outer frame 32, and is engaged with the locking pieces 20, 20 of the fixed shelf frame 15. The hook-shaped locking pieces 34, 34, 34, 34 for stopping and locking to the outer frame 16 of the fixed shelf frame 15 and the outer frame 24 of the movable shelf frame 23; Each of the locking pieces 34, 34, 34, 34 includes an inverted U-shaped locking piece 35, 35, 35, 35 protruding outward from a central portion thereof.

As shown in FIG. 1, the stock cart 36 having the above-described structure is provided with hook-shaped locking pieces 34, 3 of the shelf board member 31.
4, 34, 34 are engaged with the outer frame 16 of the fixed shelf frame 15 and the outer frame 24 of the movable shelf frame 23, and the stoppers of the shelf board support bars 17, 17, 25, 25 are provided.
By being supported by the pins 22, 22, 30, 30
It can be attached and used so that the shelf board member 31 becomes a side frame in a fixed state.

As shown in FIG. 9, the shelf member 31 is connected to the shelf support bar 17 of the fixed shelf 15 and the shelf support bar 25 of the movable shelf 23 by hook-shaped engaging pieces 34, 34,. 34, 34
Can be used as a shelf board.

When not in use, the shelf board member 31 is removed, and hook-shaped locking pieces 34, 34 are engaged with the locking pieces 20, 20 of the fixed shelf frame 15 outside the fixed shelf frame 15, as shown in FIG. Stop and hang. When a plurality of the shelf board members 31 are used, as shown in FIG. 11, the shelf board members 31 to be suspended on the inverted U-shaped locking pieces z35, 35 of the suspended shelf board member 31. The hook-shaped locking pieces 34, 34 are locked and suspended sequentially.

Next, the movable shelf frame 23 is detached from the carriage 1, and is moved along the inner surface of the fixed shelf frame 15 as shown in FIG. Hook 2 on shelf support bar 17
8 and 28 are locked and suspended as shown in FIG.

In this state, the stock cart 36 to be stored is pushed into the nesting state as shown in FIG. 13 by pushing the front end of the stock cart 36 from the rear end thereof.

[0019]

Next, different embodiments of the present invention shown in FIGS. 14 to 19 will be described. In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and redundant description will be omitted.

In the second embodiment of the present invention shown in FIGS. 14 to 16, the main difference from the first embodiment of the present invention is that the height of the fixed shelf frame 15 is the same as that of the first embodiment of the present invention. In the point that the movable shelf frame 23A is formed so as to have a height, the movable shelf frame 23A thus formed is connected to the hook mounting bar 29.
In the lower position, the fixed shelf frame 15
The stock cart 36A can be attached and suspended from the inside.

The third embodiment of the present invention shown in FIGS. 17 to 19 is mainly different from the second embodiment of the present invention in that a locking piece is provided on a shelf support bar 25 of a movable shelf frame 23B. 20,
20, a movable shelf frame 23B outside the fixed shelf frame 15,
The stock cart 36B constructed as described above differs in that the shelf board member 31 can be suspended from the movable shelf frame 23B.
Even in this case, the same operation and effect as those of the first embodiment of the present invention can be obtained.

The fourth embodiment of the present invention shown in FIGS. 20 and 21 is different from the first embodiment of the present invention mainly in that a bogie having a base plate 7 fixed to a rectangular frame 2A. 1A
In addition, the stock cart 36C formed in this way is characterized in that a pair of shelf frames 23, 23 fixedly or detachably attached to both ends of the cart 1A are used. The same operation and effect as those of the embodiment can be obtained.

[0023]

As is apparent from the above description, the following effects can be obtained in the present invention.

(1) A trolley, a pair of shelves mounted to face the front end and the rear end of the trolley, and locking of both ends to a shelf support bar of the pair of shelves. A shelf plate or a shelf plate member which can be used as a side frame for preventing the collapse of a load. Because it is composed,
The shelf member can be used not only as a shelf but also as a side frame. Therefore, it can be used in a use state corresponding to the purpose of use without increasing the number of parts.

(2) According to (1), since the structure is simple, it can be manufactured at low cost.

(3) According to the above (1), the shelf board member can be used for the shelf board and the side frame, so that it is easy to handle and can be used easily.

(4) Claims 2 and 3 also have the above (1) to (3).
The same effect can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a front view showing the first embodiment of the present invention.

FIG. 3 is an explanatory view of a cart.

FIG. 4 is an explanatory view of a fixed shelf frame.

FIG. 5 is an explanatory view of a movable shelf frame.

FIG. 6 is an explanatory diagram of a mounting portion of a fixed shelf frame and a movable shelf frame.

FIG. 7 is an explanatory view of a shelf member.

FIG. 8 is an explanatory view of a state where the shelf board member is attached to a fixed shelf frame.

FIG. 9 is an explanatory diagram of a locking portion in a state where a movable shelf frame is suspended from a fixed shelf frame.

FIG. 10 is an explanatory view of a state where a shelf member is hung on a fixed shelf frame.

FIG. 11 is an explanatory diagram of a suspended state of a plurality of shelf board members.

FIG. 12 is an explanatory diagram of a state where a movable shelf frame is hung on a fixed shelf frame.

FIG. 13 is an explanatory diagram of a nesting state when not in use.

FIGS. 14 and 16 are explanatory diagrams showing a second embodiment of the present invention.

FIG. 17 to FIG. 19 are explanatory diagrams showing a third embodiment of the present invention.

FIG. 20 and FIG. 21 are explanatory diagrams showing a fourth embodiment of the present invention.

[Explanation of Signs] 1, 1A: trolley, 2, 2A: frame
, 3: Swivel caster, 4: Swivel fixed conversion caster, 5: Slope,
6: pivot pin, 7: base plate,
8: rubber bumper, 9: movable shelf frame support,
10: rubber bumper, 11: inclined surface,
12: fixed shelf frame fixing member, 13: non-slip rubber,
14: through-hole, 15: fixed shelf frame,
16: Outer frame, 17: Shelf support bar,
18: Load collapse prevention bar, 19: Bumper, 20: Locking piece, 21: Bumper for both positioning, 22: Stopper pin, 23, 2
3A, 23B: movable shelf frame, 24: outer frame, 2
5: shelf board support bar, 26: load collapse prevention bar, 27: insertion bar, 28: nesting hook, 29: hook mounting bar, 3
0: stopper pin, 31: shelf board member,
32: outer frame, 33: support,
34: hanging tool, 35: locking piece, 36, 36
A, 36B, 36C: Stock cart.

Claims (2)

(57) [Claims] 1. A nestable cart, a movable shelf frame detachably attached to a leading end of the cart, a fixed shelf frame fixed to a rear end of the cart, and a shelf board of the fixed shelf frame. The locking pieces at both ends are locked to the support bar and the shelf support bar of the movable shelf frame, or the locking pieces at both ends are fixed to the outer frame of the fixed shelf frame and the outer frame of the movable shelf frame. A stock cart comprising a shelf board to be locked or a shelf board member that can be used as a side frame for preventing collapse of a load. 2. A nestable frame having a front end portion having a smaller width than a rear end portion, casters attached to both side portions of the front end portion and rear end portion of the frame, and supported on the upper portion of the frame. A trolley comprising a base plate whose rotatable rear end is rotatably attached to the rear end of the frame, and the pedestal having a lower end fixed to the rear end or both sides of the rear end of the frame of the trolley. A fixed shelf frame having a shelf support bar having an inner width dimension larger than the width of the board; and a fixed shelf frame detachably attached to a movable shelf frame support portion formed at the tip of the frame of the cart. A movable shelf frame having a shelf support bar to be fixed, and locking pieces at both ends are locked to the shelf support bar of the movable shelf frame and the shelf support bar of the fixed shelf frame, or Outer frame and outer frame of the movable shelf frame And a shelf plate which can be used as a shelf plate or a side frame for preventing collapse of the load, on which the locking pieces at both ends are locked, and which is engaged with the locking piece at one end of the shelf plate member. A stock cart comprising: a shelf member suspended from the fixed shelf frame; and a locking piece formed on a shelf support bar of the fixed shelf frame.