Cargo placement base

Abstract

To improve workability at the time of leg opening work and storage work of a leg member by regulating a turning range of the leg member while securing high strength with a simple structure in a cargo placement base having the leg member foldable on a table body.SOLUTION: In a cargo placement base according to the present invention, a rotation allowance portion 51 of a retaining hole 5 which guides a key member 32 fixed to a leg member 3 is provided with: a first rotation range limiting portion 51a which abuts against the side face of the key member 32 to prevent the leg member 3 from rotating outward beyond the upright position; and a second rotation range limiting portion 51b which abuts against the side face of the key member 32 to prevent the leg member 3 from rotating in a direction closer to the table body 1 than the stored position.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a luggage carrier that divides the inside of a box-shaped loading platform of a truck or trailer or a container into upper and lower parts, thereby enabling efficient use of luggage storage space. [Background technology]

[0002] The applicants of the present application have previously developed this type of luggage platform and disclosed it in Japanese Patent Application Laid-Open No. 2007-118998 (Patent Document 1).

[0003] In this conventional luggage platform, a key member (31) having a long cross-sectional shape is fixed to the side of the upper end portion of the leg member (3), and in mass-produced products, it is fixed by welding. The key member (31) is formed so that its major axis direction is aligned with the length direction of the leg member (3).

[0004] The leg holder (2) is provided with a circular support hole (21) in which a key member (31) is rotatable. Furthermore, when the key member 31 is oriented with its longitudinal direction in a vertical position, i.e., when the leg member 3 is in a vertical upright position, a key groove (22) into which the key member (31) slidably engages is provided extending upward from the circular support hole (21). [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2007-118998 A Summary of the Invention [Problem to be solved by the invention]

[0006] In conventional luggage racks, the support holes (21) were circular, which could cause the leg members (3) to rotate outward from the normal standing position, or the position of the stowed position could be unstable, making it difficult to install the hook rings (7) for fixing the rack in the stowed position.

[0007] Furthermore, in order to attach the leg member (3) to the table body (1), the leg holder (2) before attachment to the table body (1) must be fitted into the key member (31) welded to the leg member (3), and while maintaining this state, the leg holder (2) must be fixed to the table body (1) with a bolt or the like. However, this work is very cumbersome and difficult for a single worker to perform, and improvements were requested from the distribution industry, which has a strong demand for further labor savings.

[0008] Also, in response to customer requests, there have been cases where a lobster hook (locking device) for fixing the leg member (3) in an upright position is attached to the leg member, and when the leg member (3) is in an upright position, the locking ring of the lobster hook is locked to a hook provided on the leg holder (2), thereby locking the leg member in an upright position. In this case, if the lobster hook is free when the leg member is in a stowed position, it may get in the way of various tasks, so the locking ring of the lobster hook is temporarily fixed to the hook provided on the leg holder even in the stowed position. However, when the leg member is in a stowed position, the entire load platform is at the worker's feet, and in order to stand up the leg member, the worker must first squat down and release the temporary lock on the lobster hook, which is cumbersome.

[0009] The present invention aims to solve these problems of conventional products. [Means for solving the problem]

[0010] The luggage loading platform of the present invention comprises a table body, a leg holder provided on the left and right sides of the table body, and a leg member attached to the leg holder, and the leg member is attached to the leg holder so that its position can be changed between an upright position and a stored position in which it is folded inward so as to fit along the underside of the table body.

[0011] The table body may be a flat rectangular plate in plan view, or may be a framework made up of a plurality of frames in the front-rear and left-right directions. The leg members are preferably provided on both the left and right sides of the table body. The leg members may be a frame structure that is rectangular in left and right side views as a whole and is long in the front-rear direction. Preferably, one leg member is attached to a plurality of leg holders arranged along the front-rear direction. An attachment portion corresponding to each leg holder is provided on the upper end of the leg member. Preferably, the attachment portion has a first attachment portion attached to a front side portion of the corresponding leg holder, and a second attachment portion attached to a rear side portion of the corresponding leg holder.

[0012] The leg member may include a key member extending in the front-rear direction and having an elongated cross-sectional shape. The leg holder may have a holding hole that guides and holds the key member to allow the change in position. The holding hole may have a rotation allowing portion and a rotation restricting portion consisting of a key groove extending upward from the rotation allowing portion. When the key member is located within the rotation allowing portion, rotation of the key member between an upright position and a stored position is permitted, and when the leg member is in the upright position, the key member fits within the rotation restricting portion to restrict rotation.

[0013] The rotation allowance portion of the retaining hole may have a first rotation range limiting portion that abuts against a side surface of the key member to prevent the leg member from rotating outward from the standing posture when the key member of the leg member in the standing posture is located within the rotation allowance portion, and a second rotation range limiting portion that abuts against a side surface of the key member to prevent the leg member from rotating in a direction closer to the table body than the stored posture when the key member of the leg member in the stored posture is located within the rotation allowance portion. This makes it possible to limit the rotation range of the leg member when the key member is in the rotation allowance portion between the standing posture and the stored posture, despite the simple structure.

[0014] Preferably, the first rotation range limiting portion is made up of a surface facing to the left or right, and the second rotation range limiting portion is made up of a surface facing to the up or down direction. By configuring each rotation range limiting portion with a surface in this manner, high rigidity can be obtained.

[0015] Preferably, the first rotation range limiting portion is flush with either the left or right inner surface of the key groove. This allows the key member, whose rotation is restricted by the first rotation range limiting portion, to be smoothly fitted into the key groove (rotation restricting portion).

[0016] The retaining holes may be provided across a number of holder plates fixed at intervals in the front-rear direction, whereby the overall hole depth of the retaining holes for guiding and holding the key members can be secured relatively large with a simple structure, and the stability of guiding and holding the leg members can be improved at low cost. Preferably, a locking device for locking the leg member in an upright position is attached to a side surface in the front-rear direction of the leg member. More preferably, the locking device locks the leg member in an upright position by preventing the key member of the leg member from moving toward the rotation permission portion when the key member is engaged with the rotation restriction portion. The locking device may include a locking member that engages with a hook provided on a side surface in the front-rear direction of the leg holder, and an operating lever for engaging and disengaging the locking member with the hook. This allows the leg member to be locked and unlocked in an upright position with a simple operation.

[0017] The locking device may be attached to the leg member so as to be upside down by rotating around an axis in the front-rear direction. Preferably, the leg member is provided with a storage hook with which the locking member can be engaged when the locking member is positioned on the opposite side to the leg holder. With this, the leg member can be changed between a stored position and an upright position with the locking member of the locking device engaged with the storage hook. Then, after the leg member is in the upright position, the leg member can be locked in the upright position by a simple operation at a relatively high operating position.

[0018] Preferably, the leg member is attached to the inner side of the leg holder (where the hook is provided) in the front-rear direction, the hook is attached to the outer side of the leg holder in the front-rear direction, and the locking device is attached to the side of the leg member via a U-shaped mounting frame. This allows the front-rear width of the leg holder to be effectively used as the mounting space for the locking device to the leg member, and by positioning the mounting frame below the leg holder (in the upright position) or on the inner left and right sides (in the stored position), the overall configuration can be made compact.

[0019] Preferably, a box member having a through hole for inserting and holding the key member is provided at the upper end of the leg member. This box member functions as a mounting part for mounting to the leg holder. Preferably, the movement of the key member in the front-rear direction relative to the box member is restricted by a fixing plate that is fixed to the key member inside the box after the key member is inserted and held in the through hole of the box member and the holding hole of the leg holder. This allows the leg member to be mounted efficiently on the leg holder of the table body.

[0020] Preferably, the front and rear end faces of the fixing plate abut against the inner side surface of the box member from the inside, thereby restricting the front-rear movement of the key member relative to the box member. This allows for a simple yet highly rigid and strong mounting structure.

[0021] Preferably, when the leg members are in an upright position, the box member is open in the left-right direction, and the fixing plate can be fitted into the box member from the left-right side. This makes it possible to easily fit the fixing plate into the box member.

[0022] Preferably, the fixing plates can be provided on both the front and rear sides of the key member, thereby further improving the mounting strength. Effect of the Invention

[0023] According to the luggage rack of the present invention, the leg member opening and installation work can be made more efficient. [Brief description of the drawings]

[0024] [Figure 1] FIG. 1 is an overall perspective view of a luggage platform according to one embodiment of the present invention. [Diagram 2] FIG. 2 is a perspective view of the bottom side of the table body. [Diagram 3] FIG. 3 is an enlarged perspective view of the leg holder portion of the table body. [Figure 4] FIG. 4 is a perspective view of the leg member. [Diagram 5] FIG. 5 is a perspective view showing a step of attaching the leg member. [Figure 6] FIG. 6 is an enlarged front view of the leg holder. [Figure 7] FIG. 7 is an enlarged perspective view showing a state in which the locking device (shrimp hook) is turned upside down. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0025] 1 to 7 show a luggage rack according to one embodiment of the present invention. The luggage rack comprises a table body 1 having a rectangular shape in a plan view, leg holders 2 fixed to the undersides of the left and right sides of the table body 1, and a pair of left and right leg members 3 attached to the leg holders 2 so as to be capable of changing its position between an upright position shown in Fig. 1 and a stored position in which the leg members are folded inward so as to fit along the underside of the table body 1 as disclosed in the above-mentioned prior art. The table body 1 and the leg members 3 are formed in a state in which the required strength is imparted by combining frames made of metal square pipes in a lattice pattern vertically and horizontally.

[0026] 2, the table body 1 has a plurality of leg holders 2 attached to the left and right sides, and is also provided with a nail receiving member 4. The structure and effect of this nail receiving member 4 are similar to those of the prior art described above, so a detailed description will be omitted.

[0027] As shown in Fig. 3, the leg holder 2 is fixed to the table body 1 by an appropriate fixing means such as a bolt. The leg holder 2 has a holding hole 5 that opens in the front-rear direction. The holding hole 5 is provided across a plurality of holder plates 6 that are fixed at intervals in the front-rear direction. The plurality of holder plates 6 are arranged at intervals in the front-rear direction within a substantially U-shaped holder frame 7 that is fixed to the table body 1, and are fixed to the holder frame 7 by an appropriate fixing means such as welding.

[0028] As shown in FIG. 6, the holding hole 5 guides and holds the key member 32 fixed to the leg member 3 so as to allow the key member 32 to change its position between the standing position (A-1) and the storage position (B). That is, the holding hole 5 has a rotation allowing portion 51 that holds the key member 32 so as to allow the key member 32 to rotate between the standing position (A-1) and the storage position (B), and a rotation restricting portion 52 consisting of a key groove extending upward from the rotation allowing portion 51. When the leg member 3 is in the standing position, the key member 32 fits into the rotation restricting portion 52 as shown by reference character A-2 in FIG. 6, and the rotation of the leg member 3 (and the key member 32) is restricted. When the leg member 3 is to be stored, the table body 1 is lifted by a forklift or the like, and the key member 32 is released from the rotation restricting portion 52 by the weight of the leg member 3, and becomes rotatable within the rotation allowing portion 51.

[0029] The rotation allowance portion 51 has a first rotation range limiting portion 51a that abuts against a side surface of the key member 32 to prevent the leg member 3 from rotating outward from the standing posture (A-1) when the key member 32 of the leg member 3 in the standing posture is located within the rotation allowance portion 51, and a second rotation range limiting portion 51b that abuts against a side surface of the key member 32 to prevent the leg member 3 in the stored posture (B) from rotating in a direction closer to the table body 1 than the stored posture. The first rotation range limiting portion 51a is made up of a surface facing the left and right sides, and the second rotation range limiting portion 51b is made up of a surface facing the up and down directions. The first rotation range limiting portion 51a is made up of a surface that abuts against one of the left and right side surfaces near the upper end of the key member 32 in the standing posture (A-1) and a surface that abuts against one of the left and right side surfaces near the lower end of the key member 32 in the standing posture (A-1). The second rotation range limiting portion 51b consists of a surface that abuts against one of the upper and lower side surfaces near the left end of the key member 32 in the stored position (B) and a surface that abuts against one of the upper and lower side surfaces near the right end of the key member 32 in the stored position (B).

[0030] The holding holes 5 of the frontmost and rearmost leg holders 2 are open inward in the front-rear direction. The holding holes 5 of the leg holder 2 on the inner side of the frontmost leg holder 2 and the leg holder 2 on the inner side of the rearmost leg holder 2 are open outward in the front-rear direction, thereby facing the holding holes 5 of the frontmost and rearmost leg holders.

[0031] The front and rear end leg holders 2 are provided on their outer surfaces in the front-rear direction with hooks 8 for engaging with the engaging members of a locking device.

[0032] 4, the leg member 3 has a plurality of (four in the illustrated example) vertical frames, and a box member 31 is fixed to the upper end of each vertical frame. The box member 31 is configured in a rectangular frame shape that opens in the left and right directions, and a through hole 33 for inserting and holding the key member 32 is provided in the front and rear walls of the box member 31. The through hole 33 is an elongated hole that extends in the up and down direction of the leg member 3 (the height direction in the upright position), and is formed in a shape and size that allows the key member 32 to just fit in it.

[0033] The key member 32 extends in the front-rear direction and has an elongated cross-sectional shape. As shown in Fig. 5, the key member 32 is fixed to the box member 31 by a fixing plate 34 which is fixed to the key member 32 inside the box member 31 after the key member 32 is inserted and held through the through hole 33 of the box member 31 and the holding hole 5 of the leg holder 2. The fixing plate 34 may be fixed to the key member 32 by any suitable method, but the illustrated example shows an example in which the fixing plate 34 is fixed using bolts and nuts. The front and rear end faces of the fixing plate 34 abut against the front and rear inner surfaces of the box member 31 from the inside, thereby restricting the movement of the key member 32 in the front-rear direction.

[0034] A locking device 10 for locking the leg member 3 in an upright position is attached to the side surface of the leg member 3 in the front-rear direction as shown in Figures 1 and 7. In the illustrated example, the locking device 10 is configured as a shrimp hook. The locking device 10 includes a locking member 11 that engages with a hook 8 provided on the side surface of the leg holder 2 in the front-rear direction, and an operating lever 12 for engaging and releasing the locking member 1 and the hook 8.

[0035] The locking device 10 is attached to the leg member 3 so that it can be turned upside down by rotating around an axis in the front-rear direction. The leg member 3 is provided with a storage hook 13 with which the locking member 11 can be engaged when the locking member 11 is positioned on the opposite side to the leg holder 2. When not in use, the storage hook 13 can be folded up along the side of the leg member 3 as shown in Fig. 1, and is configured so that it can be raised up as shown in Fig. 7 when the locking member 11 of the locking device 10 is engaged.

[0036] The leg member 3 is attached to the inner side in the front-rear direction of the leg holder 2 on which the hook 8 is provided. The U-shaped mounting frame 35 to which the locking device 10 is attached is attached to the front and rear side surfaces of the leg member 3 at a predetermined distance in the up-down direction from the box member 31. The hook 8 is provided on the outer surface in the front-rear direction of the leg holder 2. As a result, the hook 8 is disposed slightly away from the front and rear side surfaces of the leg member 3 in the front-rear direction, and the locking device 10 is rotatably attached to the leg member 3 via the U-shaped mounting frame 35 provided on the side surface of the leg member 3 by utilizing this space. When folding the leg member 3, the locking device 10 is turned upside down as shown in FIG. 7, and the locking member 11 is engaged with the storage hook 13. This allows the locking device 10 to be held in a state along the front and rear side surfaces of the leg member 3 without swinging each part constituting the locking device 10. The leg member 3 can be changed in position between an upright position and a stored position with the locking member 11 of the locking device 10 engaged with the storage hook 13.

[0037] The present invention is not limited to the above-described embodiment, and the design can be appropriately modified without departing from the scope of the claims. [Explanation of symbols]

[0038] 1 Table body 2 Leg holder 3 Leg members 32 Key member 31 Box member 32 Through hole 34 Fixing plate 5 retaining hole 51 Rotation tolerance section 51a First rotation range limiting portion 51b Second rotation range limiting portion 52 Rotation restriction part

Claims

1. a luggage rack comprising a table body, leg holders provided on left and right sides of the table body, and leg members attached to the leg holders, the leg members being attached to the leg holders so as to be capable of changing their position between an upright position and a stored position in which they are folded inwardly to fit along the underside of the table body, the leg members having key members extending in the front-rear direction and having an elongated cross-sectional shape, the leg holders having a retaining hole for guiding and holding the key members to allow the position change, the retaining hole having a rotation allowing portion and a rotation restricting portion consisting of a key groove extending upward from the rotation allowing portion, the key members being permitted to rotate between the upright position and the stored position when the key members are positioned within the rotation allowing portion, and the key members fitting into the rotation restricting portion restricts the rotation when the leg members are in the upright position; The luggage support platform has a rotation allowance portion of the retaining hole which has a first rotation range limiting portion which abuts against a side of the key member to prevent the leg member from rotating outward from the upright position when the key member of the leg member in the upright position is located within the rotation allowance portion, and a second rotation range limiting portion which abuts against a side of the key member to prevent the leg member from rotating in a direction closer to the table body than the stored position when the key member of the leg member in the stored position is located within the rotation allowance portion.

2. 2. The luggage carrier according to claim 1, The luggage platform, wherein the first rotation range limiting portion is made up of a surface facing left and right, and the second rotation range limiting portion is made up of a surface facing up and down.

3. The luggage rack according to claim 2, The first rotation range limiting portion is flush with either the left or right inner surface of the key groove.

4. The luggage rack according to any one of claims 1 to 3, The luggage rack, wherein the retaining holes are provided across a plurality of holder plates fixed at intervals in the front-rear direction.

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