JP2937069B2 - Goods carrier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article carrier mainly used for storing and storing a large number of articles which are often handled in a store or the like, and loading and transporting the articles to a truck or the like as necessary. It is.

[0002]

2. Description of the Related Art A folding cart disclosed in Japanese Utility Model Laid-Open Publication No. 6-42663 is one example of this type of article transporting tool. That is, the folding trolley has a central side frame (back panel body) and two side frames (side panel bodies) facing each other at the front on both left and right sides of the side frame in a U-shape in plan view. A rectangular pallet (base panel body) is disposed between the lower portions of the three side frames, and the wheels are provided at the lower left and right ends at the lower end of the central side frame and at the front end at the lower ends of the both side frames. Is provided. The pallet is swingable upright along a central side frame via a screw portion. In addition, a lock mechanism for fixing the horizontal pallet to the side frame is provided on the lower surface side at the front of the pallet.

Here, the lock mechanism has a rod, and this rod is formed of an L-shaped steel bar having a distal end portion and a base side operation portion. The distal end is movable in a through hole provided in the lateral rib, and can be disengaged from the left and right side frames by projecting and retracting, and a coil spring that biases to the retracting side is provided. Have been. Further, the base side operation part is protruded to face a recess formed from the surface side of the pallet, and when the tip is protruded to penetrate and lock the latching piece on the side frame side, the base side side A latching piece to which the bent piece forming the operation unit is locked is formed in the recess.

[0004]

According to the above-mentioned conventional type, in any of the penetrating locking operation and the unlocking operation (locked state and unlocked state) due to the protrusion and retreat of the distal end portion,
Since the base-side operation portion of the rod is located in the recessed portion, it is not easy for the operator to confirm the locking movement and the unlocking movement, and therefore, it is necessary to place the load on a pallet that is not locked. When the pallet is transported, the pallet easily vibrates up and down due to the vibration during traveling, which may cause collapse of the load. Further, when the pallet is raised and locked, the operation cannot be performed easily because the recessed portion faces the central side wall.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an article transporter which can easily and accurately check whether a lock device is in a locked state or an unlocked state, and which can easily and accurately perform locking and disengaging operations from both sides. The point is to provide.

[0006]

According to a first aspect of the present invention, there is provided an article transporter comprising a back panel and two side panels arranged in a gate shape in plan view. At the lower part of the body, the base panel body is attached to the base panel body so that it can stand upright and sideways with its close end, and a lock device with an operating tool acting on the other panel body side is provided on the base panel body. When the panel body is in a horizontal sideways posture, it is arranged to be located below the mounting surface of the base panel body, and its operating tool is operable from the mounting surface side,
Further, the operating tool is configured to be positioned below the mounting surface when locked, and to at least partially protrude above the mounting surface when unlocked.

According to a second aspect of the present invention, in the article transporter of the first aspect, a left-right guide portion having an upper surface opened to a main body of the lock device, and a front-rear direction in which a part of a front end communicates with the guide portion. A penetrating part and a left-right penetrating part communicating the outer end with the front-rear penetrating part are formed, and an unlocking receiving part of the same level as the mounting surface is provided between the guide part and the penetrating part. At the same time, a low-level lock receiving portion with respect to the mounting surface is provided at a communicating portion between the guide portion and the front-rear direction through portion, and an operating tool is provided with an engaging / disengaging portion supported and guided by the guide portion, An abutted portion bent at 90 degrees from the inner end of the engagement / removal portion and received by the unlocking receiving portion or the locking receiving portion, and the engagement portion bent at 90 degrees from the free end of the abutted portion. It is formed by an operation part extending in the left and right direction on the opposite side to the removal part, The level of the lock receiving portion is set such that the operating tool does not protrude from the mounting surface when the contacted portion is received.

According to a third aspect of the present invention, in the article transporter according to the second aspect of the present invention, the operating tool has an engaging / disengaging portion supported and guided by the guide portion, and is bent at 90 degrees from an inner end of the engaging / disengaging portion. A contacted portion which is received by the unlocked receiving portion or the locked receiving portion, and a surface which is bent 90 degrees from the free end of the contacted portion and extends in the left-right direction on the opposite side to the engagement / disengagement portion. Side operation unit and 90 degrees downward from the free end of the front side operation unit.
It is formed by a back side operation unit which is folded in a degree and is exposed to the back side through each through portion.

[0009]

According to the configuration of the first aspect of the present invention, when the base panel body is in the horizontal horizontal posture, the operating tool is operated from the mounting surface side of the base panel body, so that the locking operation of the locking device can be performed. Can be unlocked. At this time, the operation from the unlocking to the locking can be performed by gripping a portion projecting upward with respect to the mounting surface. The loading of the load after the intended locking operation can be performed with all of the operating tools positioned below the mounting surface. In addition, when forgetting to lock when loading a load, the operator can visually check the operating tool projecting upward from the mounting surface, or the load placed on the mounting surface can get on or Or you can confirm. In some cases, the operation tool comes into contact with the load at the moment when the load is placed on the placement surface, so that it can be confirmed.

According to the configuration of the second aspect of the invention, when the base panel body is horizontally slid horizontally, the locking device pulls out the operation tool inward in the left-right direction, and the locking device is moved. The contact portion can be brought into contact with the receiving portion from above when unlocked. Then, in a state where the base panel body is swung horizontally, the operating portion protruding upward with respect to the mounting surface is gripped, and the operating tool is moved outward, so that the engaging / disengaging portion is guided. Can be moved outward and locked to the other panel body side by the guide of, and can be locked. Then, by bringing the contacted portion into contact with the receiving portion at the time of locking, all of the operation tools can be located below the mounting surface. Also, after raising the empty base panel body along the other panel body, grasp the operating part and move the operating tool outward again, and lock the engaging and disengaging part with the other panel body side. The operation panel can be unlocked by moving the operation tool inward by the reverse operation, so that the base panel body can be slid horizontally and horizontally.

According to the configuration of the third aspect of the present invention,
The locking operation and the unlocking operation after the empty base panel body is raised can be performed by grasping the back side operation part exposed on the back side of the base panel body through the through portion.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. As shown in FIGS. 3 and 4, the article transport device 1 includes one back panel body 10 and two side panel bodies opposed to each other in front of left and right sides of the back panel body 10.
20 are disposed in a gate shape in plan view, and the back panel body 10
A base panel body 30 is disposed between a lower part of the back panel body 20 and rear wheels 11 at left and right ends at a lower end of the back panel body 10, and a front end part at a lower end of both side panel bodies 20. Are provided with front wheels 21, respectively.

The rear end of the base panel body 30 is a hinge 2
The lower panel 10 is connected to the lower end of the back panel body 10 through the base member 10 so as to be swingable between a standing posture along the back panel body 10 and a horizontal sideways posture. The adjacent portions of the back panel body 10 and the two side panel bodies 20 are connected by the connector 3, and one of the right side panel bodies 20 is rotatable along the back panel body 10. ing. On both sides of the front end of the base panel body 30, a lock device 40 for fixing the base panel body 30 in a horizontal horizontal posture to the side panel body 20 is provided.

Next, the details of the main parts will be described. The back panel body 10 is a gate-shaped outer frame formed by bending a pipe or the like.
12, a lower frame 13 connecting the lower ends of the outer frame 12, a plurality of pipe-shaped vertical members 14 disposed between the ceiling rod portion 12a and the lower frame 13 of the outer frame 12, The outer frame 12 includes a plurality of channel-shaped cross members 15 disposed between the vertical rod portions 12b. At both ends of the lower frame 13, a front wheel 21 described later is provided.
Rear wheel 11 via a support bracket or turning part
Is attached.

3 to 5, the side panel body 20 is
A gate-shaped outer frame 22 formed by bending a pipe or the like, a lower frame 23 connecting the lower ends of the outer frame 22, and a lower frame 23 disposed between the ceiling rod portion 22 a of the outer frame 22 and the lower frame 23. It is composed of a plurality of pipe-shaped vertical members 24 and a plurality of channel-shaped cross members 25 disposed between the vertical rod portions 22b of the outer frame 22. On the lower surface at the front end of the lower frame 23, a front wheel mounting plate 26 is provided so as to protrude inward, and a locking plate 28 having a lock hole 27 is provided on the front wheel mounting plate 26 by welding or cutting. Provided. The front wheel 21 is mounted on the front wheel mounting plate 26 via a support bracket 29 having a turning part.

The frame body 31 of the base panel body 30 includes a window frame-shaped outer frame 32 and a pair of left and right front and rear frames 32 of the outer frame 32.
The left and right members 33 provided between the left and right members a, a pair of left and right frames 32b of the outer frame 32, a plurality of front and rear members 34 provided between the left and right members 33, and the like form a flat frame. Then, after the main body (described later) of the lock device 40 is integrated, the base panel body 30 is configured by being molded with the resin 36 in a state having a large number of through portions 35. The base panel body 30 lying down is received by the horizontal plate portions of the lower frames 13 and 23, and the mounting surface 37 is formed by the upper surface.

On both sides at the front of the base panel body 30,
The lock device 40 is provided which acts on the rear vertical rod portion 22b of the side panel body 20 when in the upright posture and acts on the locking plate 28 of the front wheel mounting plate 26 when in the sideways posture. That is, as shown in FIG. 1 and FIGS. 5 to 7, the main body 41 of the lock device 40 also serves as a corner portion of the outer frame body 32, and includes a side plate portion 42 and an upper plate portion 43 located inside thereof. It is formed in a flat box shape with an open bottom.

At a position near the front end of the upper plate portion 43, a guide portion 44 having a long hole shape in the left-right direction is formed.
A rectangular front-rear direction penetrating portion 45 that is long in the front-rear direction is formed in a state where a part of the front end near the left and right outer side is communicated, and is long in the left-right direction when the outer end is communicated with the front-rear penetrating portion 45. A rectangular left-right direction penetrating portion 46 is formed. An inclined unlocking receiving portion 47 is formed by the remaining portion of the upper plate portion 43 between the guide portion 44 and the left-right direction through portion 46.

On the lower surface side of the upper plate portion 43, the guide portion
A guide member 48 having a U-shaped cross section that covers the lower part of 44 is provided,
The guide member 48 extends to the front and rear frame 32a side, so that the upper plate portion 43
A guide hole 49 in the left-right direction is formed between them. A fitting portion 50 of the locking plate 28 is formed between the outside opening portion of the guide hole 49 and the front and rear frame 32a so as to have an open bottom surface.
The guide hole 49 is formed to be freely communicated with the lock hole 27 of the locking plate 28 located at 50. A through hole 38 is formed in the front and rear frame 32a so as to face the guide hole 49.
A lock receiving portion 51 having a level lower than the upper surface of the upper plate portion 43 by a predetermined height is provided horizontally in a communication portion between the guide portion 44 and the front-rear direction through portion 45.

The operating tool 55 is, for example, a bent product of a rod pin, and is provided with an engaging and disengaging portion 56 supported and guided by the guide hole 49, and is bent at 90 degrees from the inner end of the engaging and disengaging portion 56 to unlock the unlocking portion. Abutted portion 57 received by the hour receiving portion 47 or the locking receiving portion 51, and is bent 90 degrees from the free end of the abutted portion 57 and extends in the left-right direction on the opposite side to the engaging and disengaging portion 56. A front-side operation unit 58 and a back-side operation unit that is bent 90 degrees downward from the free end of the front-side operation unit 58 and is exposed to the rear surface through the front-rear penetration part 45 and the left-right penetration part 46.
59 and so on.

Here, the level of the lock receiving portion 51 is such that the operating tool 55 does not protrude from the upper surface (mounting surface) of the base panel body 30 when the abutted portion 57 is received by the lock receiving portion 51. It is set as follows. A fitting-type lid 52 is provided on the inner side of the guide portion 44, and a stopper surface 53 for unlocking movement is provided by an outer side surface of the lid 52 in the left-right direction.
Is formed, and the unlocking receiving portion 47 is located on the outer portion adjacent to the stopper surface 53.

A stay 4 is provided between the front ends of the two side panel bodies 20 for maintaining the interval and preventing collapse of the load. That is, for example, the first holding member 5 of the stay 4 is provided on the front vertical rod portion 22b of the left side panel body 20,
A second holding member 6 is provided on the front vertical rod portion 22b of the right side panel body 20 so that the free end of the stay 4 can be freely engaged and disengaged.

The operation of the above embodiment will be described below. The article conveying tool 1 assembled as described above opens the right side panel body 20 at right angles to the back panel body 10, and then opens the base panel body 30 via the hinge 2.
Is horizontally slid horizontally, and is placed on the lower frame 23 of the side panel body 20 and the locking device 40 is locked, so that a load can be loaded on the base panel body 30.

As described above, when the base panel body 30 is slid horizontally and horizontally, the lock device 40 is provided with the locking device 40 shown in FIGS.
As shown by the imaginary line in FIG. 7, the operating tool 55 is pulled out inward in the left-right direction, and the abutted portion 57 is brought into contact with the unlocking receiving portion 47 from above. Then, by swinging the base panel body 30 horizontally, the outer portion of the main body 41 is externally fitted to the locking plate 28 via the fitting portion 50, and is inserted into the lock hole 27 of the locking plate 28. The engaging / disengaging portion 56 of the operating tool 55 is opposed.

In this state, the front operation unit 58 is grasped from the mounting surface 37 side of the base panel body 30, and the operation tool 55 is moved outward in the left-right direction. At this time, the gripping of the front side operation unit 58 is such that the abutted portion 57 comes into contact with the unlocking receiving portion 47 from above, and the front side operation portion 58 projects upward with respect to the mounting surface 37. Can be easily and reliably performed.

By moving the operating tool 55 outward in the left-right direction, the engaging / disengaging portion 56 is moved outward by being guided by the guide portion 44 and the guide hole 49, and inserted into the lock hole 27 of the locking plate 28. Thereafter, it is inserted into the through hole 38, and thus can be locked as shown by the solid lines in FIGS. Thereafter, the contacted portion 57 is fitted into the lock receiving portion 51 to release the grip,
The intended locking movement can be performed, and at this time, by fitting the abutted portion 57 to the locking receiving portion 51, all of the operation tools 55 can be positioned below the mounting surface 37. Become.

As described above, the base panel body 30 is mounted on the lower frame 23 of the side panel body 20 and the locking device 40 is locked, so that the load is loaded on the mounting surface 37. However, if the operator forgets to perform the locking operation at that time, the worker who loads the load moves upward with respect to the mounting surface 37 as shown by phantom lines in FIGS. 1 and 5 to 7. By visually observing the protruding front side operation unit 58,
Alternatively, the load placed on the placement surface 37 climbs or gets caught on the front-side operation unit 58, and further, the moment the load is placed on the placement surface 37, the front-side operation unit 58 of the operation tool 55 By contacting the load, it can be easily confirmed that the player is in the unlocked state, that is, he has forgotten to perform the locking operation.
Thus, the locking operation is performed.

The article transporting tool 1 loaded with a load, transported as intended, and unloaded and unloaded is first placed on a stay 4.
Is removed from the second holder 6. As described above, the front side operation unit 58 is gripped from the mounting surface 37 side, the operation tool 55 is pulled out and moved, and the contacted part 57 is unlocked by the receiving part.
After the base panel 30 is brought into contact with the
Is turned upward (standing) through the back panel body 10.

Then, the back side operation portion 59 exposed on the back side of the base panel body 30 is gripped through the left-right direction penetration portion 46, and the operation tool 55 is moved outward again to move the engagement / disengagement portion 56 to the rear position. By protruding rearward of the vertical rod portion 22b, a lock operation can be performed. Next, the right side panel body 20 is rotated around the pin axis via the connecting member 3 and the like, and the back panel body 10 is rotated.
Along the side. Thereby, it can be folded and stored in an L shape in plan view. Note that the operation tool 55 can be unlocked by moving the operation tool 55 inward by the reverse operation, and thus the base panel body 30 can be horizontally and horizontally rocked as described above.

When the operating tool 55 is damaged, the operating tool 55 can be pulled out by removing the lid 52, so that the operating tool 55 can be repaired or replaced. As shown by the imaginary line in FIG. 7, if a colored portion 60 different from the surroundings is formed on at least one upper part of the contacted portion 57, the front side operation portion 58, and the back side operation portion 59, The unlocked state can be confirmed more clearly.

In the above embodiment, the base panel body 30 is attached to the lower part of the back panel body 10 so as to be capable of standing upright and sideways.
An embodiment in which the base panel body 30 is attached to the lower part of the vehicle so as to be able to stand upright and sideways is also possible.

In the above-described embodiment, as a constituent member of the base panel body 30, a resin-molded mesh type is shown, but this is an opaque base plate having no through portion 35, that is, an iron plate or a resin plate. A base plate formed by such a method may be used.

[0033]

According to the first aspect of the present invention, when the base panel body is in the horizontal and horizontal posture, the operating tool is operated from the mounting surface side of the base panel body, so that the locking device of the locking device is operated. Alternatively, an unlocking operation can be performed. At this time, the operation of the unlocking operation and the locking operation can be easily and reliably performed through the operation tool projecting upward with respect to the mounting surface. In the case of the locking operation, all of the operation tools are located below the mounting surface, so that the load can be easily loaded. If you have forgotten to lock when loading a load, you can visually check the operating tool that projects upward from the mounting surface, or if the load placed on the mounting surface It is easy to confirm that the device is in the unlocked state, that is, the lock operation has been forgotten, by being caught or by touching the load at the moment the load is placed on the loading surface. it can.

Further, according to the configuration of the second aspect of the present invention, in a state where the base panel body is swung horizontally, the operation portion projecting upward with respect to the mounting surface is mounted on the mounting surface of the base panel body. By grasping from the side and moving the operating tool to the outside,
The engagement / disengagement portion can be moved outward to be locked on another panel body side, and thus can be locked. Then, by bringing the contacted portion into contact with the receiving portion at the time of locking, all of the operation tools can be positioned below the mounting surface. In the state where the empty base panel body is erected and along the other panel bodies, the operating part is gripped and the operating tool is moved, so that the engaging / disengaging part is disengaged from the other panel body side and locked. Can move or unlock.

According to the configuration of the third aspect of the present invention,
Locking and unlocking after the empty base panel body is raised can be easily and accurately performed by grasping the back side operation part exposed on the back side of the base panel body through the penetrating part. it can.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention and showing an unlocking state of a lock device for an article conveying device.

FIG. 2 is a perspective view at the time of locking in the lock device of the article carrier.

FIG. 3 is a perspective view of the article carrier.

FIG. 4 is a plan view of the article carrier.

FIG. 5 is a vertical cross-sectional front view of the lock device of the article carrier.

FIG. 6 is a plan view of the lock device of the article carrier.

FIG. 7 is a vertical cross-sectional side view of the lock device of the article carrier.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Article conveyance tool 10 Back panel body 20 Side panel body 27 Lock hole 28 Locking plate 30 Base panel body 31 Frame body 32 Outer frame body 36 Resin 37 Placement surface 38 Through hole 40 Lock device 41 Main body 44 Guide part 45 Front and rear direction Penetrating part 46 Left-right penetrating part 47 Unlocking receiving part 49 Guide hole 50 Fitting part 51 Locking receiving part 52 Lid 55 Operating tool 56 Engagement / departure part 57 Contact part 58 Front side operation part 59 Back side operation part

Claims (3)

(57) [Claims] 1. A back panel body and two side panel bodies are arranged in a gate shape in plan view, and a lower part of one panel body is
The base panel body is mounted so that it can stand upright and sideways with its close end, and a lock device with an operating tool acting on the other panel body side is provided on the base panel body.
When the base panel body is in the horizontal horizontal posture, it is arranged to be located below the mounting surface of the base panel body, and its operating tools can be operated from the mounting surface side. An article transporting device which is configured to be positioned below a mounting surface at the time, and to at least partially protrude above the mounting surface when unlocked. 2. A main body of the locking device has a left-right guide portion with an open upper surface, a front-rear penetration portion communicating with a part of a front end of the guide portion, and an outer end communicating with the front-rear penetration portion. A left and right direction through portion is formed, and between the guide portion and the through portion, an unlocking receiving portion of the same level as the mounting surface is provided, and a communication portion between the guide portion and the front and rear direction through portion is provided. A lock receiving portion having a low level with respect to the mounting surface is provided, and the operating tool is provided with an engaging and disengaging portion supported and guided by the guide portion, and is bent at 90 degrees from an inner end of the engaging and disengaging portion to form the unlocking portion. A receiving portion received by the receiving portion at the time of locking or the receiving portion at the time of locking, and an operating portion which is bent at 90 degrees from the free end of the received portion and extends in the left-right direction on the opposite side to the engaging / disengaging portion. Forming, the level of the receiving part at the time of locking received the contacted part It came to the article conveying device of claim 1, wherein the set to the operating tool does not protrude from the mounting surface. 3. The operating tool is engaged and disengaged by the guide portion, and is bent at 90 degrees from the inner end of the engaging and disengaging portion to be received by the unlocking receiving portion and the locking receiving portion. A contacted portion, a front-side operation portion bent at 90 degrees from the free end of the contacted portion and extending in the left-right direction on the opposite side to the engagement / disengagement portion, and a lower portion from the free end of the front-side operation portion The article transporting tool according to claim 2, wherein the article transporting tool is formed by a back-side operation unit that is folded at 90 degrees to be exposed to the back side through each through portion.