JP2019156601A - Foldable storage rack - Google Patents

Abstract

To provide a foldable storage rack that can be carried by smoothly folding the storage rack comprising work-piece-loadable storage components from a development state and can be locked when folded and connected at an adjacent storage rack when developed.SOLUTION: A foldable storage rack includes storage components 1, 2 that are configured by a pair of left and right ones so that clamp-couplers 12, 22 having slide parts in respective inner ends of the left and right storage components 1, 2 are rotatably connected to a central coupling 3. Pipes 4 with wheels 5 having wheels 5 at lower ends are attached on undersides 11, 21 of the respective left and right components 1, 2 in an arrangement that the wheels 5 do not contact a floor 9 in a development state of the left and right storage components 1, 2 but the wheels 5 contact the floor 9 in a fold state of the storage components 1, 2. With respect to the coupling, the left and right storage components 1, 2 assume a flat surface for loading a work-piece S when developed and can be moved through the wheels 5 when folded.SELECTED DRAWING: Figure 3

Description

  The present invention belongs to the technical field of a foldable storage table on which a workpiece (a machine part or a semi-finished product) is placed and moved, and more specifically, when a plurality of storage tables are arranged to form a workpiece conveyance line. A foldable storage unit that is used in one unit, and when the line is not needed, the folding operation allows the wheel to reach the floor and be moved easily by the wheel to free up the line space, so that the space can be used effectively. The present invention relates to a possible storage base and a lock device provided on the storage base.

In the field of factories and the like, a line adapted to each process is required for each work, and the line is usually reconfigured for each process in a place that is not so wide and is effectively used.
In many cases, it is often necessary to create different work and different flow lines in the same work area during a day, mainly in a distribution warehouse. In such a field, it is not possible to install fixed equipment, and a function that can be stored and is easy to clean up is required for logistics equipment. Among such fixtures, things like carts and pallets are easy to move, but large shooters are difficult to handle and difficult to clean up. In addition, if the original size is large, it takes space even if it is stored in another site.
Under such circumstances, it is currently carried out on trolleys, forks, hand pallet trucks, etc., but there are many free flow lines, and there are dangers such as industrial accidents.
For this reason, there are many changes in the work area, and there is a need for a foldable storage base that is easy to use in the field (field) where the shooter should be installed.

  In relation to this, for example, in Patent Document 1 below, at the time of folding operation and opening operation of the pallet rack, the opening and closing operation is performed by narrowing or widening the struts together with the beam members in conjunction with the folding and opening operations of the sub beam. In addition, a pallet rack is described in which the struts are expanded and contracted by the wheels of the fall prevention member.

Japanese Patent No. 4951582

  The pallet rack disclosed in Patent Document 1 is a technique that can be folded and moved out of a wheel. However, in order to protrude the wheel, an operator pushes the free end of the base member with a foot or the like, rotates the base member, slightly lifts the support column from the floor, and lands the first and second wheels. One action is required (see paragraph number [0034] and the like in Patent Document 1). Since the wheel does not automatically reach the floor in accordance with the folding operation as described above, there is a problem in that it is not easy to use and cannot be moved quickly unless the wheel is taken out manually.

Accordingly, an object of the present invention has been made in view of the above-described problems, and a foldable storage that can be smoothly folded and moved from a deployed state by a storage base made of a pipe structure having a storage portion for loading a workpiece. Is to provide a stand.
A further object of the present invention is to provide a convenient foldable storage base that can be easily locked during folding and can be connected to a storage base adjacent to each other when unfolded.

As a means for solving the above-described problem, a foldable storage base according to the invention described in claim 1 includes:
In the storage table including the storage units 1 and 2 for loading the work S on the upper surfaces 10 and 20,
The storage portions 1 and 2 are configured as a pair of left and right, and the inner ends of the left and right storage portions 1 and 2 are rotatably connected to the central connection portion 3.
The pipe 4 with the wheel 5 having the wheel 5 at the lower end is not in contact with the floor 9 when the left and right storage units 1 and 2 are unfolded, and the wheel 5 is not folded when the left and right storage units 1 and 2 are folded. Are attached to the lower surfaces 11 and 21 of the left and right storage units 1 and 2,
The left and right storage portions 1 and 2 are unfolded with respect to the connecting portion 3 to form a flat surface on which the work S is loaded, and is configured to be movable when folded through the wheel 5 of the pipe 4 with the wheel 5. It is characterized by.

According to a second aspect of the present invention, in the foldable storage base according to the first aspect, the connecting portion 3 has the same base as the base portion 32 that is formed by the horizontal pipe 30 and the depth pipe 31 in a plan view. It consists of a leg portion 33 protruding downward from the portion 32,
The height H of the leg portion 33 is determined when the right and left storage portions 1 and 2 are unfolded and the wheel 5 of the pipe 4 with the wheel 5 does not contact the floor 9 and the left and right storage portions 1 and 2 are folded. The wheel 5 is set to a length that makes contact with the floor 9,
The inner dimension W of the horizontal pipe 30 is set such that the wheels 5 arranged in a straight line in the horizontal direction in the unfolded state of the left and right storage units 1 and 2 can be stored inward.

The invention described in claim 3 is the foldable storage base described in claim 1 or 2,
A guide pipe 6 and a vertical guide fixing pipe 7 that passes the guide pipe 6 in the depth direction are disposed at the outer ends of the left and right storage units 1 and 2, respectively.
The guide fixing pipe 7 has an intermediate portion connected to the storage portions 1 and 2, and the total lengths W2 and W3 protruding from the upper surfaces 10 and 20 of the storage portions 1 and 2 are the horizontal pipes of the connecting portion 3. The length H from the upper surfaces 10 and 20 of the storage portions 1 and 2 to the floor 9 in the guide fixing pipe 7 is substantially equal to the length of the leg portion 33 of the connecting portion 3. Are set to the same,
In the unfolded state of the left and right storage units 1 and 2, the guide fixing pipe 7 is grounded, and the storage units 1 and 2 are kept flat.
In the folded state of the left and right storage units 1 and 2, the guide fixing pipes 7 and 7 facing each other maintain the vertical posture without causing interference.

The invention described in claim 4 is the foldable storage table described in any one of claims 1 to 3,
A lock device 8 is provided at each outer end of the left and right storage units 1 and 2, and the left and right storage units 1 and 2 facing each other are locked by the lock device 8 when the storage units 1 and 2 are folded. The vertical posture is fixed.

According to a fifth aspect of the present invention, in the foldable storage base according to the fourth aspect, the lock device 8 is the same as the pivot shaft 80 protruding from the guide fixing pipe 7 in each of the left and right storage portions 1 and 2. The lock piece 81 is pivotally attached to the turning shaft 80, and the hook pin 83 protrudes from the lock piece 81. The lock piece 81 is provided with a fitting hole 82, and the guide pipe 6 is provided with a fitting hole 82. A notch recess 60 is provided,
In the folded state of the storage units 1 and 2, the hook pin 83 of one storage unit 1 (2) is hooked on the notch recess 60 of the other storage unit 2 (1) and can be locked.
The fitting hole 82 of the lock piece 81 is configured to fit and be connected to the protruding portion 89 of the adjacent accommodating parts 1 and 2 in the deployed state when the accommodating parts 1 and 2 are deployed. And

According to the foldable storage base according to the present invention, the wheel attached to the storage unit automatically reaches the floor in accordance with the rotation of folding the left and right storage units, so there is no need for an operation of taking out the wheels, The work efficiency of clearing the storage table is good. Also, when the storage part is opened, if the wheel automatically floats off the floor, the leg part touches the floor and the storage base stops moving, but if it is folded, the wheel arrives on the floor, so this time the storage base moves. It becomes possible easily.
In addition, a single locking device has a function of locking adjacent storage bases at the same time as a function of locking the storage part so that it does not open when folded, which is excellent in convenience.

It is the whole perspective view of the use condition which the foldable storage stand of the present invention developed. It is the perspective view which showed the state which folded the storage stand. A, B, and C are front views showing the unfolded state, the folding process state, and the folded state of the left and right storage units, respectively. It is the perspective view which showed the locked state at the time of folding of a storage stand. A and B are partially enlarged views showing a locking procedure. It is the perspective view which showed the connection state with the adjacent storage stand. A, B, and C are partial enlarged views showing a locking point at the time of connection in FIG.

Hereinafter, an embodiment of a foldable storage table according to the present invention will be described with reference to the drawings.
The foldable storage base according to the present embodiment is a storage base on which a work is loaded on the upper surface, and the left and right storage parts 1 and 2 that are unfolded to form one surface as shown in FIG. The workpiece S is placed on the rollers T provided in the left and right storage units 1 and 2 and the connecting unit 3 and moved. On the other hand, in order to clean up the storage base, as shown in FIG. 2, the left and right storage portions 1 and 2 in the unfolded state can be folded and pushed by wheels 5 to be described later and moved easily.

As shown in FIG. 1, a pair of left and right storage parts 1 and 2 that are symmetrical to each other includes horizontal pipes 14 and 24 that are formed by bonding and coating synthetic resin on the outer peripheral surface of a steel pipe, and depth pipes 15 and 25. Are formed in a flat rectangular frame connected by a clamping joint. And as the intermediate reinforcement, the horizontal pipes 14a, 24a are passed into the frame, and the outer ends of the pipes are formed in the vertical leg portions 14a, 24a.
Moreover, rail members 16 and 26 are installed in the depth direction on the upper surfaces 10 and 20 of the frame, and the rollers T are provided on the rail members 16 and 26, so that the workpiece S can be easily moved. Note that clamping joints 12 and 22 having sliding parts inside are disposed at the center positions described later at the inner ends of the horizontal pipes 14 and 24 of the left and right storage portions 1 and 2 of the horizontal pipes 14 and 24, respectively. It is rotatably connected to the depth pipe 31 of the connecting portion 3 (see FIGS. 1 and 3). A guide fixing pipe 7 is fixed to the outer ends of the horizontal pipes 14 and 24 in the vertical direction by sandwiching joints 13 and 23.
Then, in the vicinity of the horizontal pipes 14 and 24 of the lower surfaces 11 and 21 of the left and right storage units 1 and 2, at a position that is at least approximately one pipe lower than the horizontal pipes 14 and 24, on a straight line in the horizontal direction ( 1 and FIG. 3) The wheeled pipes 4 are attached so that the wheels 5 face each other side by side on the left and right sides.

The connecting portion 3 includes a base portion 32 and leg portions 33. The base portion 32 is formed in a square shape in plan view by the horizontal pipe 30 and the depth pipe 31, and the leg portion 33 is configured to protrude downward from the base portion 32 (see FIGS. 1 and 3). On the upper surface of the base portion 32, similarly to the storage portions 1 and 2, a rail member 34 is installed in the depth direction, and a roller T is provided on the rail member 34 to facilitate the movement of the workpiece S. Yes.
As shown in FIG. 3, the height H of the leg portion 33 is such that each wheel 5 of the pipe 4 with wheels 5 does not contact the floor 9 when the left and right storage portions 1 and 2 are unfolded (see FIG. 3A). 3) and the length of the wheels 5... In contact with the floor 9 in the folded state of the left and right storage units 1 and 2 as shown in FIG. 3C (H = 130.5 mm in the embodiment). At this time, it is designed so that a gap of 8 mm is provided from the floor 9 to the leg portion 33 in a floating state.
Further, as shown in FIG. 3A, the inner dimension W of the horizontal pipe 30 of the connecting portion 3 is such that the left and right wheels 5 are aligned in a straight line with the left and right storage portions 1 and 2 being deployed. It is set to a length (191.5 mm) that can be stored in the direction.

Next, the guide pipe 6 and the guide fixing pipe 7 will be described.
In order to guide the flow so as to smoothly flow when storing the workpiece S, the guide pipes 6 and 6 extending in the depth direction are arranged at the outer ends of the left and right storage units 1 and 2, respectively. Has been. The overall length of the guide pipe 6 is substantially the same as the depth pipes 31, 31 of the connecting portion 3. A vertical guide fixing pipe 7 that connects the guide pipe 6 in the depth direction is connected to each of the holding joints 13, 23 at the outer ends of the left and right storage units 1, 2, and the guide pipe 6 is connected to the guide fixing pipe 7. It is fixed (see FIG. 1). That is, the guide fixing pipe 7 is positioned at each corner (four corners) in the expanded state of the storage units 1 and 2.
Specifically, as shown in FIG. 3, the guide fixing pipe 7 has an intermediate portion connected to the storage portions 1 and 2 (see FIG. 3A). The total of the length W2 (87.5 mm) of the guide fixing pipe 7 protruding from the upper surface 10 of the storage unit 1 and the length W3 (103.5 mm) of protruding from the upper surface 20 of the storage unit 2 is illustrated in FIG. 3C. Thus, the inner dimension W (191.5 mm) of the horizontal pipe 30 of the connecting portion 3 is set to be equal to or less. In addition, the length H (130.5 mm) from the upper surfaces 10 and 20 of the storage portions 1 and 2 to the floor 9 in the guide fixing pipe 7 is set to be the same as the length of the leg portion 33 of the connecting portion 3. (See FIG. 3A).

  Therefore, in a state where the left and right storage units 1 and 2 in FIG. 3A are unfolded, the guide fixing pipe 7 can be grounded to the floor 9 and the storage units 1 and 2 can be kept level on a single plane. The width of the storage table at the time of development is 1414.5 mm. On the other hand, when folding, if the left and right storage parts 1 and 2 are lifted and turned inward, the wheel 5 contacts the floor 9 and can be folded smoothly (see FIG. 3B). Since the left and right storage parts 1 and 2 are completely folded, the total length of the guide fixing pipes 7 and 7 that face each other is less than the inner dimension of the horizontal pipe 30 of the connecting part 3. The right and left do not interfere with each other, and the storage units 1 and 2 can move without difficulty while maintaining a vertical posture. In addition, the width dimension (H + W2 + W3 + H) of the upper part of the storage stand at the time of the folding is 452 mm.

Next, the lock device 8 provided on the storage base will be described. This locking device 8 has two functions of firstly, a function of locking so that it does not open when the storage part is folded, and secondly, a function of connecting adjacent storage bases when deployed.
Locking devices 8 are respectively provided on the guide fixing pipes 7, 7 at the outer ends of the left and right storage portions 1, 2 (see FIG. 1).
As shown in FIG. 5 in an enlarged manner, the lock device 8 includes a pivot shaft 80, a lock piece 81, and a hook pin 83 as main components. That is, a turning shaft 80 projecting from the upper end of the guide fixing pipe 7 located at the outer end of the right storage portion 2, a horizontal lock piece 81 slidably attached to the turning shaft 80 in a loose state, and the lock The hooking pin 83 protrudes vertically from the piece 81. The lock piece 81 is provided with a fitting hole 82, and the hook pin 83 is provided with a retaining ring 84. On the other hand, a fixing bolt (protruding part) 89 is provided on the guide fixing pipe 7 of the left storage part 1 facing the pivot shaft 80.
A notch recess 60 cut out in a U-shape so that the hook pin 83 is hooked is provided in the vicinity of both ends of the guide pipe 6, and the outer diameter of the retaining ring 84 is the same as that of the notch recess 60. It is formed slightly larger than the inner diameter.

Since the lock piece 81 is pivotably attached to the pivot shaft 80 in a loose state, it can smoothly connect the storage base in the unfolded state. That is, as shown in FIGS. 7A to 7C, the locking piece 81 in the loose state is turned and the fitting hole 82 of the locking piece 81 is inserted into the fixing bolt (protruding portion) 89 protruding on the adjacent guide pipe 6. It can be fixed simply by dropping it, and adjacent storage bases can be easily connected in the unfolded state (see FIG. 6).
Further, when moving the storage base, after folding the storage portions 1 and 2, the hook pin 83 of one storage portion 1 (2) is moved to the position of the other storage portion 2 (1) facing each other. By simply hooking into the notch recess 60, the outer surface of the retaining ring 84 of the hook pin 83 can be firmly fixed to the notch recess 60 of the guide pipe 6 and easily fixed (FIGS. 4 and 5). .

Although not shown in the figure as a locking device, a magnet is provided at the tip protruding inward of the guide fixing pipes 7 and 7 so as to be locked with a magnetic force so that it is difficult to open carelessly when folded, and the guide fixing pipe 7 when expanded. It is also possible to make it difficult for the adjacent storage bases to move with the magnetic force of the magnets attached to the outer periphery of.
Although the embodiments have been described with reference to the drawings, the present invention is not limited to the illustrated examples and includes a range of design changes and application variations that are usually made by those skilled in the art without departing from the technical idea thereof. I will mention that just in case.

DESCRIPTION OF SYMBOLS 1, 2 Storage part 10, 20 Upper surface 11, 21 Lower surface 12, 22 Clamping joints 13 and 23 with sliding parts Clamping joints 14 and 24 Horizontal pipes 15 and 25 Depth pipes 16 and 26 Rail member S Work T Roller 3 Connection Part 30 Horizontal pipe 31 Depth pipe 32 Base part 33 Leg part H Length (height)
4 Wheeled pipe 5 Wheel 6 Guide pipe 60 Notch recess 7 Guide fixing pipe W Inner dimensions W2, W3 Length 8 Locking device 80 Rotating shaft 81 Locking piece 82 Fitting hole 83 Hook pin 84 Stop ring 89 Fixing bolt (protrusion) )
9 floors

Claims (5)

In a storage stand with a storage section for loading workpieces on the top surface,
The storage unit is configured by a pair of left and right, and the inner ends of the left and right storage units are rotatably connected to a central connection unit,
The pipes with wheels with wheels at the lower ends are arranged so that the wheels do not touch the floor in the deployed state of the left and right storage parts, and the wheels touch the floor in the folded state of the left and right storage parts. It is attached to the lower surface of the storage part,
The foldable structure is characterized in that the left and right storage portions are expanded with respect to the connecting portion to form a flat surface on which a work is loaded, and is configured to be movable when folded through the wheel of the wheeled pipe. Storage stand. The connecting portion is composed of a base portion having a rectangular shape in plan view composed of a horizontal pipe and a depth pipe, and a leg portion protruding downward from the base portion,
The height of the leg is set to the length that the wheel of the pipe with the wheel does not contact the floor in the deployed state of the left and right storage units, and the wheel contacts the floor in the folded state of the left and right storage units,
2. The foldable storage base according to claim 1, wherein an inner dimension of the horizontal pipe is set to a length that allows a wheel to be stored inward in a developed state of the left and right storage portions. At each outer end of the left and right storage parts, a guide guide and a vertical guide fixing pipe that passes the guide pipe in the depth direction are disposed,
The guide fixing pipe has an intermediate portion connected to the storage portion, and the total length protruding from the upper surfaces of the left and right storage portions is set to be equal to or less than the inner dimension of the horizontal pipe of the connecting portion, and The length from the upper surface of the storage portion to the floor in the guide fixing pipe is set to be substantially the same as the length of the leg portion of the connecting portion,
In the unfolded state of the left and right storage units, the guide fixing pipe is grounded and the storage unit is kept flat.
The foldable storage base according to claim 1 or 2, wherein the guide fixing pipes facing each other maintain the vertical posture without causing interference in the folded state of the left and right storage parts. .   A lock device is provided at each outer end of the left and right storage units, and the left and right storage units facing each other are locked by the lock device in a folded state of the storage unit, and the vertical posture is fixed. The foldable storage stand according to any one of claims 1 to 3. The lock device includes a pivot shaft that protrudes from the guide fixing pipe, a lock piece that is pivotably attached to the pivot shaft, and a hook pin that projects from the lock piece in each of the left and right storage units. Is formed with a fitting hole and a notch in the guide pipe,
In the folded state of the storage portion, the hook pin of one storage portion is hooked on the notch recess of the other storage portion and can be locked,
The fitting hole of the lock piece is configured to fit and be connected to a protruding portion of an adjacent storage part in a deployed state in a deployed state of the storage part. A foldable storage stand.

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