JPH0572728U - Carrier - Google Patents

Abstract

(57) [Summary] [Purpose] To make it possible to easily and easily perform the height adjustment work of the shelf boards. [Structure] A guide groove 10 is formed on the inner side surfaces of the front columns 5A and 5B over substantially the entire length in the height direction, and one end of the guide groove 10 is formed.
A plurality of locking grooves 11 communicating with the guide groove 10 are formed at appropriate intervals in the longitudinal direction of the guide groove 10. Stoppers 17 are provided on the front surfaces of the rear columns 6A and 6B so as to correspond to the locking grooves 11. The stopper 17 is rotatable, and when the shelf plate 3 is held, it is switched to a use mode in which the tip ends project from the inner surfaces of the rear columns 6A and 6B to the inside of the carriage main body 2, and the shelf plate 3 is not supported. At this time, the mode is switched to the non-use mode in which the rear columns 6A and 6B are positioned outside the inner surfaces thereof. A guide pin that moves along the guide groove 10 and is locked in the locking groove 11 is provided on the front end side surface of the shelf plate 3.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a carrier truck used for carrying luggage in a warehouse or the like.

[0002]

[Prior Art]

 Conventionally, various types of trolleys for transporting luggage have been proposed, and as one example thereof, a "foldable container" disclosed in Japanese Utility Model Laid-Open No. 64-51032 is known. In this container, the left and right support plates are vertically divided into two parts to be folded and configured independently. In addition, the projecting bodies protruding from the rear end of the side surface of the multi-tiered shelf plates in the container are provided on both side plates. It is configured to be held slidably in the front-rear direction and rotatably in the up-down direction by a vertical hole provided in, and to support the lower surface of the front end of the shelf board by locking members provided on the front-rear end sides of both side plates. It was done.

[0003]

[Problems to be solved by the device]

 However, in the conventional container described above, it is necessary to pull out the shelf plate from the container body and insert it again when adjusting the height of the shelf plate, which is troublesome work, especially in a container having a large width and depth. There was a problem that it was difficult for one person to operate. Further, since the locking member is fixedly arranged so as to always lock the shelf plate so as to protrude inward from the contour shape of the shelf plate, the shelf plate is engaged when the shelf plate is taken in and out when the height of the shelf plate is adjusted. There is also a problem that the shelf plate or the locking member is damaged by hitting the stop member.

Therefore, the present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to make it possible to easily and easily adjust the height of a shelf board. The purpose of the present invention is to provide a carrier truck.

[0005]

Means for Solving the Problems In order to achieve the above object, the present invention provides a plurality of support columns which are arranged facing each other in the front-rear, left-right direction and have casters at their lower ends, and support columns which are opposed in the front-rear, left-right direction. Equipped with a trolley body that is formed in a box shape by connecting members that connect the upper and lower ends of each other, and multiple stages of shelf boards that are arranged in the trolley body so that the height can be adjusted. On one set of columns, a guide groove that continuously extends in the height direction and guides one end of the shelf plate slidably, and one end that is installed side by side with a proper gap in the height direction of the column. A plurality of locking grooves communicating with the guide groove for locking one end of the shelf board are formed, and a plurality of stoppers for supporting the other end of the shelf board are formed on the other pair of columns. The stopper is provided so as to correspond to the locking groove. And non-use mode you positioned in a square side, in which the tip portion is switched to the use mode for supporting the shelf plate protrudes carriage inwardly than the inner surface.

[0006]

[Action]

 In the present invention, the guide groove holds one end of the shelf plate so as to be vertically movable and guides it to an arbitrary locking groove. The locking groove changes the height of the shelf board. The stopper prevents the shelves from hitting by switching to the non-use mode when adjusting the height of the shelves, and supports the lower surface of the shelves by switching to the use mode after adjusting the height.

[0007]

【Example】

 Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. FIG. 1 is a partially cutaway external perspective view showing an embodiment of a carrier truck according to the present invention, FIG. 2 is a side sectional view of a main portion of the truck, FIG. 3 is a sectional view of a main portion of a shelf board, and FIG. 4 is a shelf board. FIG. 5 is a front view of the stopper that holds the rear end, and FIG. 5 is a perspective view of the connecting fitting. In these figures, a carrier truck indicated by reference numeral 1 as a whole is a carriage body 2, a height-adjustable shelf plate 3 arranged inside the carriage body 2 in a plurality of stages, for example, five stages, and a carriage body. It has a total of four casters 4 and the like arranged at the four corners of the lower surface of No. 2.

Next, the configuration and the like of each component will be described in detail. The trolley body 2 has a total of four columns, that is, a pair of front columns 5A, 5B and rear columns 6A, 6B facing each other on the left and right, front columns 5A, 5B, rear columns 6A, 6B, and front columns. 5A and 5B and the rear support columns 6A and 6B are connected to each other by a total of eight connection members 7A to 7H, and the connection brackets 8 and the like provided at the lower ends of the support columns 5A, 5B, 6A and 6B are box-shaped. The top, front, back, left, and right sides of the rack are formed so that luggage can be loaded and unloaded from the shelf 3, from the front, rear, and right. The bottom shelf plate 3 also serves as the bottom plate of the carriage main body 2.

The pair of front columns 5A, 5B are made of aluminum alloy hollow extrusion mold members having a rectangular cross-section, and the inner plates facing each other extend over substantially the entire length in the height direction. A straight guide groove 10 for guiding the front end of the shelf 3 and a plurality of locking grooves 11 having one end communicating with the guide groove 10 for holding the front end of the shelf board 3 are formed.

As shown in FIG. 2, a round hole 12 is continuously provided at the upper end of the guide groove 10. The round hole 12 is for extracting a guide pin, which will be described later, from the guide groove 10 when the shelf board 3 is removed from the trolley body 2.

The locking groove 11 is formed in the height direction of the front columns 5A and 5B at appropriate intervals as shown in FIG. By being formed into a shape, the front end includes a horizontal groove portion 11A communicating with the guide groove 10 and the upper end includes a vertical groove portion 11B communicating with the rear end of the horizontal groove portion 11A. However, the locking groove 11 'at the lowermost stage is a straight groove that extends horizontally rearward. Although the locking groove 11 is provided on the rear side of the guide groove 10 in this embodiment, it is needless to say that the locking groove 11 may be provided on the front side.

Similar to the front columns 5 A and 5 B, the shelf plate 3 is made of an aluminum alloy hollow extruded mold material, and has a plurality of shelf materials 13 juxtaposed in the front-rear direction of the carriage main body 2 and these. It is formed in a flat plate shape with a U-shaped form member 14 (see FIG. 1) that connects and holds both left and right ends of the shelf material 13 in common, and a hand is provided at the center of the upper surface to facilitate height adjustment work. A hanging groove 15 is provided. Further, the shelf plate 3 has a flanged guide pin 16 provided on both side surfaces of the front end portion, and the guide pin 16 is inserted into the guide groove 10 from the round holes 12 (FIG. 2) of the front columns 5A and 5B. It is inseparably connected to the front columns 5A and 5B, and the guide pin 16 is moved up and down along the guide groove 10 and dropped into the vertical groove portion 11B of the locking groove 11 having an appropriate height to adjust the height. To be done. Further, the shelf plate 3 is vertically rotatable by engagement of the guide pin 16 with the guide groove 10 or the locking groove 11, and the lower surface of both side edge portions on the rear end side corresponds to each locking groove 11. It is configured to be held horizontally by a stopper 17 attached to the rear columns 6A and 6B. When removing the shelf plate 3 from the trolley body 2, the shelf plate 3 may be lifted upward and the guide pin 16 may be pulled out from the round hole 12.

As shown in FIG. 4, the stopper 17 is rotatably supported in the vertical direction by a mounting bracket 18 provided on the front surface of the rear column 6B (6A) via a horizontal shaft 19 and has a tip end. A locking portion 20 for restricting the rearward movement of the shelf 3 is integrally provided on the upper surface of the portion. A locking piece 21 that supports the lower surface of the stopper 17 when the stopper 17 is used is bent and formed at a lower portion of the inner edge of the mounting bracket 18 so as to be orthogonal to the surface of the mounting bracket 18. At this time, the tip of the stopper 17 projects toward the inside of the carriage from the inner surface of the rear column 6B to support the lower surface of the rear end of the shelf board 3. When the stopper 17 is rotated clockwise in FIG. 4 when not in use, the stopper 17 is positioned outside the locking piece 20 as indicated by a chain double-dashed line. In other words, the stopper 17 supports the shelf board 3 in a non-use mode in which the stopper 17 is located on the outer side of the truck main body 2 than the inner side surface of the rear strut 6B, and the tip portion thereof protrudes to the inner side of the truck main body 2 than the inner side surface. The mode can be switched to the use mode, which can prevent the shelf 3 from hitting or being caught by the stopper 17 when adjusting the height of the shelf 3.

Of the connecting members 7A to 7H, the upper connecting member 7A for connecting the upper ends of the front columns 5A and 5B is formed of a round bar, is detachably attached to the front columns 5A and 5B, and is removed. This facilitates loading of luggage on the uppermost shelf 3. The rest of the sanitary members 7B to 7H are formed of aluminum alloy hollow extruded members, as in the case of the columns.

The connecting metal fittings 8 arranged at the four corners of the lower end of the carriage main body 2 are L-shaped in a plan view as shown in FIG. 5, and have outer wall plates 8a and 8b and inner wall plates 8c and 8d which are orthogonal to each other. And the partition plates 8e and 8f provided between the outer wall plates 8a and 8b and the inner wall plates 8c and 8d, respectively, thereby having three fitting portions 22A to 22C. The outer wall plates 8a and 8b are mounted on one corner of the upper surface so as to form substantially the same plane as the two side faces of the caster mounting plate 23 that are orthogonal to each other, and are fastened and fixed by bolts and nuts 24 (FIG. 2). .. The fitting portion 22A is configured by a part of the outer wall plates 8a and 8b, the partition plates 8e and 8f, and the inner wall plate 8c, and the lower end portion of the front support column 5A is fitted. The fitting portion 22B is configured by a part of the outer wall plate 8a and the inner wall plate 8c and the partition plate 8e, and the end portion of the connecting member 7F is fitted. The fitting portion 22C is composed of part of the outer wall plate 8a and the inner wall plate 8d and the partition plate 8f, and the end portion of the connecting member 7B is fitted therein. The outer wall plates 8a and 8b are substantially L-shaped when viewed from the front, and the corner side end portions thereof have a height approximately twice that of the inner wall plates 8c and 8d, and the anti-corner side end portions thereof are substantially the inner wall plates 8c and 8d. They have the same height. The connecting portion between the corner side end and the non-corner side end forms a slope 25 that is inclined at an appropriate angle. The distance between the outer wall plates 8a, 8b and the inner wall plates 8c, 8d is substantially equal to the width of the connecting members 7B, 7F, and the heights of the inner wall plates 8c, 8d and the partition plates 8e, 8f are the same as those of the connecting members 7B, 7F. Almost equal. Bolt mounting holes 26 are formed in the outer wall plate 8b and the partition plates 8e and 8f, respectively.

On the upper surface of the caster mounting plate 23, two fixing plates 27A and 27B which are orthogonal to each other are provided upright. When these connecting plates 8 are installed on the caster mounting plate 23, these fixing plates 27A and 27B come into close contact with the outer surfaces of the partition plates 8e and 8f, and the bolts and nuts 24 connect these partition plates and fixing plates. By fastening and fixing, the connecting fitting 8 is fixed on the caster mounting plate 23. The connecting members 7B and 7F are fastened and fixed to the upper surface of the caster mounting plate 23 by bolts (not shown), and the caster 4 is fixed to the back surface. The front column 5A is fastened and fixed to the outer wall plate 8b. Further, notches 28 are formed on the surface of the lower end of the front support column 5A facing the partition plates 8e and 8f to avoid the bolts and nuts 24 for fixing the partition plates 8e and 8f to the fixing plates 24A and 24B. ing.

In the above embodiment, the guide groove 10 and the locking groove 11 are formed on the front columns 5A and 5B, and the stoppers 17 are provided on the rear columns 6A and 6B, but the invention is not limited to this and the reverse is also possible. It is also possible to form the guide groove 10 and the locking groove 11 in the front support column 5A and the rear support column 6A, and to provide the stopper 17 in the front support column 5B and the rear support column 6B.

[0018]

[Effect of the device]

 As described above, according to the carrier truck according to the present invention, one end of the shelf plate is guided and held by the guide groove and the locking groove so as to be vertically movable, and the other end is held by the stopper. It is easy to adjust the height of the shelves without the work of pulling out and re-inserting the shelves from the trolley body when adjusting the height of the shelves.Especially for large trucks, it can be done by one operator. it can. Also, when adjusting the height of the shelves, if the stopper is switched to the non-use mode so that it is positioned outside the inner surface of the column, the shelves will not hit or stop the stopper and the height will be adjusted further. This has the effect of making the work easier.

[Brief description of drawings]

FIG. 1 is a partially cutaway external perspective view showing an embodiment of a carrier truck according to the present invention.

FIG. 2 is a side sectional view of a main part of the truck.

FIG. 3 is a sectional view of a main part of a shelf board.

FIG. 4 is a front view of a stopper that holds an end portion of a shelf board.

FIG. 5 is a perspective view of a connecting fitting.

[Explanation of symbols]

 1 Transport Cart 2 Cart Main Body 3 Shelf Board 4 Casters 5A, 5B Front Struts 6A, 6B Rear Struts 7A to 7H Connecting Member 8 Connecting Metal Fitting 10 Guide Groove 11 Locking Groove 16 Guide Pin 17 Stopper

Claims (1)

[Scope of utility model registration request] 1. A box-shaped structure comprising a plurality of columns, which are arranged to face each other in the front-rear, left-right direction, and each has a caster at a lower end, and a connecting member which connects upper and lower ends of the columns, which are opposed to each other in the front-rear, left-right direction. The trolley body and a plurality of shelves arranged in the trolley body so that the height can be adjusted freely. A guide groove that slidably guides one end of the shelf plate,
A plurality of locking grooves, which are arranged in parallel in the height direction of the support pillars at appropriate intervals to communicate with the guide groove and lock one end portion of the shelf board, are formed on another pair of support pillars. Is provided with a plurality of stoppers corresponding to the locking grooves for supporting the other end of the shelf board. The stoppers are rotatably arranged and are located on the outer side of the carriage with respect to the inner side surface of the support column. The carrier truck is characterized in that it is switched between a non-use mode in which it is used and a use mode in which the tip portion projects inward from the inner side surface to support the shelf plate.