JP2003325243A - Shelf equipment with movable shelf plate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide shelf equipment with a movable shelf plate which sufficiently copes with an unbalanced load when the movable shelf plate of an optional stage is projected and moved while being extended and moved. <P>SOLUTION: Movable shelf plates 40 capable of appearing and withdrawing forward and backward are provided to make a plurality of upper and lower stages. The movable shelf plates 40 are formed in a state of being movable freely extensibly forward and backward, and the distal part of it is formed to be a shelf plate part 51 for supporting a matter to be housed. Under a shelf frame 1, an overturn preventing body 60 formed in a state of being capable of appearing and withdrawing forward and backward is provided. By making the movable shelf plates 40 at an optional stage appear and withdraw while extending and contracting them, the overturn preventing body 60 is made to appear and withdraw via a linking means 70. By adopting the movable shelf plate easily to shelf equipment which as good housing efficiency provided to make a plurality of upper and lower stages and sufficiently taking the projecting length of an overturn prevention body, the equipment can efficiently cope with the unbalanced load when projecting and moving the movable shelf plate to make an always difficult-to-overturn state without regard to the load. When the movable shelf plate is projected and moved the shelf plate part can be positioned sufficiently anterior to the shelf frame, and loading and unloading of the matter to be the matter to be stored to a shelf plate part is quickly facilitated. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shelf facility with movable shelves provided with a movable shelf that is movable back and forth between a position protruding from a shelf frame and a position retracted into the shelf frame. .

[0002]

2. Description of the Related Art Conventionally, as this kind of shelf equipment, for example, a structure disclosed in Japanese Patent Application Laid-Open No. 4-30807 has been provided. That is, a pair of left and right guide rails is provided on the shelf frame, and a slide table that is supported and guided by these guide rails via guide rollers and is movable back and forth.

According to this conventional example, the slide table of the desired stage is moved forward with respect to the front surface of the shelf frame, so that the load can be taken in and out of the slide table that is moved in the forward direction. Become.

[0004]

However, according to the above-mentioned conventional structure, when a heavy load is placed on the slide table which is moved in a protruding manner, an unbalanced load is applied to the shelf with the slide table, As a result, it becomes unstable and easily falls. In particular, when the load is not stored in the slide table of the other stage that is retracted, the state becomes more unstable.

As a solution to this, it is conceivable to fix the lower part of the shelf frame to the floor side with anchor bolts, as seen in Japanese Utility Model Publication No. 60-38905, for example. There is a risk of construction mistakes when installing, and in some cases anchor bolts cannot be used in rental warehouses.

As another solution, for example, as disclosed in Japanese Utility Model Publication No. 3-37445, a grounding body protruding forward from the lower end of a front support column forming a shelf frame is provided. A configuration is provided, but in this case,
Even when the slide table group is retracted, the grounding body projects forward from the front of the shelf frame,
It cannot be projected to a sufficient length for effective use of the floor surface. Further, the retracting movement is of a telescopic type, and in this case, when the entire length of the slide table is projected from the shelf frame, an unbalanced load becomes large and becomes unstable.

Therefore, the invention according to claim 1 of the present invention provides shelf equipment with movable shelves capable of sufficiently responding to an unbalanced load when the movable shelves at arbitrary stages are extended and moved to project. This is the purpose.

[0008]

In order to achieve the above-mentioned object, the shelf equipment with movable shelves according to claim 1 of the present invention has a shelf frame, which is supported and guided by a guide device and extends in the front-rear direction. Retractable movable shelves are provided in a plurality of upper and lower stages, and these movable shelves are formed to be extendable and retractable in the front-rear direction, and the tip end portion thereof is formed on a shelf portion for supporting an object to be stored. At the bottom of the shelf frame is provided a fall prevention body that can move back and forth in the front-rear direction, and interlocking means for moving the fall prevention body in association with the movement of the movable shelf body at any stage is provided. It is characterized by that.

Therefore, according to the first aspect of the present invention, when the movable shelves at arbitrary stages are extended and moved forward by the support guide of the guide device, the fall prevention body is caused to project through the interlocking means. In addition, when the movable shelves at arbitrary stages are contracted and moved backward, the fall prevention body can be moved back and forth through the interlocking device. When the movable shelves are extended and moved, the shelves at the ends can be located sufficiently forward of the shelves.

According to a second aspect of the present invention, in the shelf equipment with movable shelves, in the structure according to the first aspect, when the movable shelves at arbitrary stages are retracted while retracting, The movable shelf is characterized by being locked by the locking means in the retracted retracted position.

Therefore, according to the second aspect of the present invention, when the movable shelves of arbitrary stages are retracted while retracting, the movable shelves of the remaining stages can be prevented from retracting by the locking means.

According to a third aspect of the present invention, in the shelf equipment with movable shelves according to the above-mentioned first or second aspect, the interlocking means is vertically guided by the shelf frame side and is movable in the front-rear direction. Direction has a connecting body, and the lower portion of the connecting body is connected to the overturn preventing body, and the stopper body on the movable shelf side is configured to be capable of abutting from the front side. An interlocking device that expands and contracts the movable shelves in stages is provided between them.

Therefore, according to the third aspect of the present invention, the movable shelves at arbitrary stages can be moved forward while being extended and extended stepwise via the engagement / disengagement device, and the movable shelves at arbitrary stages can be moved. , Can be retracted rearward while contracting gradually through an engaging / disengaging device. In addition, when the overturning preventive body and the connecting body try to retreat (retract) integrally due to vibration or external force with the shelf body part protruding, the side of the shelf body part protruding The connecting body comes into contact with the stopper body from above from the front to prevent the connecting body from retreating, that is, returning.

Further, in the shelf equipment with movable shelves according to a fourth aspect of the present invention, in the structure according to the above-mentioned third aspect, the engagement / disengagement device is a shaft body provided at a predetermined position of the coupling body, and the shaft body. A pair of front and rear cam plates that are individually swingably attached to each other, locking portions formed on opposite sides of these cam plates, cam rollers provided on both cam plates, and both cam rollers approach each other. A guide body that guides both cam rollers, and a horizontal cam regulating surface is formed in the front-rear direction. By guiding the cam rollers to the cam restricting surface, both cam plates are swung against the urging force of the urging body,
Both locking parts are located in front of and behind the locking body on the movable shelf side, and when either cam roller is disengaged from the front and rear ends of the cam regulating surface, either cam plate is shaken by the biasing force of the biasing body. It is characterized in that the locking portion is moved so as to escape from the front and rear of the locking body.

Therefore, according to the fourth aspect of the present invention, by operating each part of the engagement / disengagement device as the movable shelf side moves in and out, the stepwise expansion / contraction movement of the movable shelf body is automatically and reliably performed. You can do it.

Further, in the shelf equipment with movable shelves according to a fifth aspect of the present invention, in the structure according to the above-mentioned fourth aspect, the locking means for locking the contracted movable shelves at the retracted position is provided at each stage. The locking means is composed of a lifting prevention body having a downward lifting prevention surface formed thereon and a locking body provided at the front end portion of the lifting prevention body so as to be vertically swingable. In the downward swing limit posture, the lower end is in a tilted posture, and the locking rack on the movable shelf side and the shaft of the engagement / disengagement device are brought into contact with the front surface of the lock body, and the rear surface On the other hand, it is characterized in that the locking body is configured to abut.

Therefore, according to the fifth aspect of the present invention, by operating each part of the locking means in association with the withdrawal and retraction of the movable shelf side, the switching between the locked posture and the unlocked posture with respect to the movable shelf side is automatically performed. And surely.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.
It will be described with reference to the drawings. 1 and 2, the shelf frame 1
Is a pair of left and right front struts 2 and a pair of left and right rear struts 3
And a lattice 4 that connects the front and rear of each of the columns 2 and 3, a brace 5 that connects between the rear columns 3 and a flat frame top plate frame that connects between the upper portions of each of the columns 2 and 3 (the topmost stage). An example is formed by the fixed table 6 and the lower support 7 located between the lower portions. Then, the shelf frame 1 is fixed at a predetermined position on the floor surface B by the anchor bolts 8 acting on the lower side of each of the columns 2 and 3, for example.

The shelf frame 1 is provided with upper and lower three-stage (single or multiple stages) guide devices 10. That is, the guide device 10 has a pair of left and right guide rails 11 as shown in FIG. 1, FIG. 3, FIG. 5 to FIG. 7, and FIG. Are arranged in the front-rear direction with the open parts of the two facing each other, and the support surface 11a is formed by the upward surface thereof,
The guide surface 11b is formed by the inward surface.

The guide rail 11 has mounting brackets 12 and 13 connected to the outer surfaces of both ends thereof. At this time, the mounting is performed by locking the locking portions formed on the brackets 12 and 13 from the front and back to the locked portions formed on the columns 2 and 3. An intermediate stopper body 14 and a rear stopper body 15 are provided inside the guide rail 11, and an idle guide body (bearing or the like) 17 is provided at a front end portion via a vertical pin 16. .

The guide rail 11 is a bracket 1
2, 13 are connected at an upper position in the vertical direction, and a receiving roller 19 is rotatably provided at a lower position of the guide rail 11 by a front bracket 12 via a horizontal shaft 18. . The front bracket 12 on the one side (left side) is provided with a rotary shaft 21 in the left-right direction via a support member 20, and a rotary operation part 22 is provided at the outer end of the rotary shaft 21. An anti-back body 23 is provided at the end. An example of the guide device 10 is configured by the above 11 to 23 and the like.

A support rail 30 is connected between the lower ends of the brackets 12 and 13 of the lowermost guide device 10 of the guide device 10. These support rails 3
Reference numeral 0 denotes a U-shape, which is disposed in the front-rear direction with its laterally-facing open portions facing each other, and its upper surface forms a support surface 30a and its inward surface forms a guide surface 30b. Is formed. Here the support rail 30
Is a length that is projected slightly forward with respect to the front strut 2, and by providing the landing member 31 on the lower surface side,
It is possible to land on the floor B.

Between the pair of left and right guide rails 11 in each stage of the guide device 10, there is provided a movable shelf 40 which is supported and guided by the guide device 10 and is movable back and forth in the front-rear direction.
The movable shelf 40 is formed so as to be able to extend and contract in the front-back direction. That is, as shown in FIG. 4 to FIG. 6, FIG. 12, and FIG. 13, the movable shelf body 40 is a shelf body for supporting an object to be stored which forms one (or a plurality of) intermediate movable portion 41 and a tip portion. The portion 51 and the portion 51 are configured in a multi-stage telescopic form.

The intermediate movable part (secondary table)
Reference numeral 41 is a flat frame shape, and supported surfaces 41a are formed by lower surfaces of both side portions thereof, so that the intermediate movable portion 41 is located between both guide rails 11 and the receiving surface 41a is supported via the supported surfaces 41a. It is placed on the roller 19.

An idle wheel 43 is provided on the rear side of the intermediate movable portion 41 on both outer sides via lateral pins 42. Here, the idle wheel 43 is the guide rail 11
Between the stopper bodies 14 and 15 provided on the guide rail 11, it is configured to be rollable on the support surface 11a of the guide rail 11. Further, a free rotation guide body 45 is provided near both sides of the intermediate movable portion 41 near the free rotation wheel body 43 via vertical pins 44. Here, the idling guide body 45 is
The guide surface 11b of the guide rail 11 is abuttable.

Further, a support ring 47 is provided rotatably inward on both sides of the front of the intermediate movable part 41 via a lateral pin 46, and the intermediate movable part 41 is provided near the support ring 47. On both sides inwardly, a free rotation guide body 49 is provided via a vertical pin 48. A guide body 50 composed of a pair of upper and lower plates is provided inside both sides of the intermediate movable portion 41 from the intermediate portion to the rear portion.

The shelf body (primary table) 51
Has a flat frame shape, and the supported surfaces 51a are formed by the lower surfaces of both side portions thereof, so that the shelf body portion 51 has both guide rails 1
1 and is placed on the support wheel body 47 via the supported surface 51a.

At the rear of the shelf 51, on both sides outward,
An idle wheel 53 is provided via a pin 52 in the left-right direction. Here, the idle wheel 53 is configured to fit between the front and rear stopper bodies 50a and 50b provided on the guide body 50 so that the idle wheel body 53 can be rolled by fitting to the guide body 50. Further, a free rotation guide body 55 is provided outside both sides of the shelf body 51 near the free rotation wheel body 53 via vertical pins 54. Here, the idling guide body 55 is the guide body 50.
The guide surface 50c formed by the inwardly facing surface is freely contactable.

One side (left side) of the shelf 51
A locking strip 56 is provided on the upper surface of the
Has a front end formed on a protrusion preventing locking portion 56a capable of locking the rearward-facing anti-back body 23, and a rear end of the backward-moving retractable locking portion 56a capable of locking the forward-facing anti-back body 23. It is formed on the blocking engagement portion 56b. And
At the rear end portion on the other side (right side) of the shelf body 51 and above the idle guide body 55, the pin-shaped locking body 5 is provided.
7 is provided so as to project outward in the lateral direction. 41 to above
The movable shelves 4 provided in a plurality of upper and lower stages by 57 or the like.
An example of 0 is configured.

Below the lowermost movable shelf 40, between the pair of left and right support rails 30, there is provided an overturning preventive body 60 which can freely move back and forth. That is, as shown in FIG. 5, FIG. 6 and FIG.
The pair of left and right frontward and rearward direction members 61a and the left and right sideward members 61b connecting between the rear ends and the middle portions of the frontward and rearward direction members 61a and the like form a recess 61 that is open to the front at the front.
In the state where d is formed, it has a flat frame shape.

Both front and rear direction members 61a are U-shaped,
The open portion is arranged so as to face downward, and an idle wheel 63 is provided at a rear end portion of the inside through a lateral pin 62. Here, the idle wheel 63 is configured to be rollable on the support surface 30 a of the support rail 30. Further, a free rotation guide body 65 is provided on the outer side surface of the front-rear direction member 61a near the free rotation wheel body 63 via a vertical pin 64. Here, the idling guide body 65 is configured to come into contact with the guide surface 30b of the support rail 30.

A landing body 66 is provided at the front end inside the front-rear direction member 61a, the vertical position of which can be adjusted by a bolt-nut type. Landing body 66 here
Are adjusted to be positioned above the support surface 30a with a gap. An example of the fall prevention body 60 is configured by the above 61 to 66 and the like.

At the front end portion of the support rail 30, a support guide means 33 for the fall prevention body 60 is provided.
That is, the L-shaped bracket 34 is mounted on the support surface 30 a of the support rail 30.
A support wheel body 36 is rotatably mounted on the shaft via a lateral pin 35. Here, the support wheel body 36 is located in the front-rear direction member 61a, and is configured to be capable of supporting the downward surface 61e of the front-rear direction member 61a.

The vertical pin 3 is provided near the support ring 36.
A free rotation guide body 38 is provided via 7 or the like. Here, the idling guide body 38 is also located in the front-rear direction member 61a, and is configured to come into contact with the inward surface 61f of the front-rear direction member 61a. An example of the support guide means 33 is configured by the above 34 to 38 and the like.

As shown in FIGS. 1, 5 and 10, interlocking means 70 is provided for moving the fall prevention body 60 in and out in association with the movable shelf 40 in and out. At this time, the overturning preventive body 60 is configured to be retracted / retracted in the front-rear direction in association with the retractable / retractable movement of the movable shelf 40 at an arbitrary stage while expanding and contracting.

That is, the two columns 2 and 3 on the other side (right side)
In between and inside the lattice 4, a C-shaped rail-shaped connecting body 7
1 is arranged in the vertical direction. The lower end of the connecting body 71 is connected to the fall prevention body 60 via a bracket 72 and a connecting tool (bolts, nuts, etc.) 73. At that time, the connection is performed on the outer surface of the front-rear direction member 61a and at a position near the rear portion. Further, at the upper end of the connecting body 71,
A guide roller 75 is provided via a vertical pin 74, and this guide roller 75 is engaged from below with a guide rail 76 in the front-rear direction provided between the upper ends of the columns 2 and 3.

As a result, the interlocking means 70 has a vertical connecting body 71 which is guided to the shelf frame 1 side and is movable in the front-rear direction. The lower portion of the connecting body 71 is connected to the overturn preventing body 60. It By the above 71 to 76, the interlocking means 7
An example of 0 is configured. A stopper body 58 laterally outwardly projected from the rear lower surface side of the intermediate movable portion 41 of the movable shelf body 40 is configured to be engageable (abutable) from the rear side with respect to the rear surface 71a of the connecting body 71. ing.

As shown in FIGS. 1, 5, 6, and 14,
An engagement / disengagement device 80 is provided between the shelf frame 1 side and the interlocking device 70 side to expand / contract the movable shelf body 40 in stages. That is, a shaft 81 protruding outward in the lateral direction is provided at a predetermined position of the connecting body 71, and a front cam plate 82 and a rear cam plate 85 are individually rocked up and down on the shaft 81. It is attached freely. These cam plates 82, 85
On the lower surface side of the locking portions 82a,
85a is formed, and the horizontal pin 8 is formed at the free end portion.
Cam rollers 84 and 87 are provided so as to be freely rotatable through 3,86.

The shaft 8 is provided between the cam plates 82 and 85.
A winding spring (an example of an urging body) 88 is externally fitted to the coil spring 1. The free end of the winding spring 88 is distributed to and locked by the cam plates 82 and 85, so that the cam rollers 84 and 87 are locked. Both cam plates 82 and 85 are urged to swing upward in a direction in which they approach each other. When the cam rollers 84 and 87 are closest to each other, the angle formed by the line connecting the shaft center of the shaft body 81 and the shaft centers of the lateral pins 83 and 86 is set to approximately 100 degrees. Both cam plates 82 and 85 are wound with a spring 88.
By being swung downward against the urging force of the locking member 82a, 85a, the locking members 82a, 85a are locked by the locking member 57 in the shelf 51.
It is configured to be located in front of and behind.

On the guide rail 11 side of the guide device 10, a guide body 90 for guiding both cam rollers 84, 87.
Is provided. That is, the guide body 90 has a guide rail shape, and the front end portion thereof is connected to the front end portion of the guide rail 11 via the bracket 91 and the like, and the rear end portion thereof is connected to the floating prevention body (described later) side. ing. A horizontal cam restricting surface 90a is formed in the front-rear direction on the lower surface side of the guide body 90, and an upward standing front end cam surface 90b is formed at the front end portion.
A rear end cam surface 90c is formed on the rear end portion in an upright shape.

By guiding the cam rollers 84 and 87 to the cam restricting surface 90a, the cam plates 82 and 85 are swung downward against the urging force of the coil spring 88, and their locking portions are engaged. 82a and 85a are the locking bodies 57 on the movable shelf 40 side.
It is configured so as to face each other from the front and rear. Further, when the front cam roller 84 comes out to the front of the front end cam surface 90b, the front cam plate 82 is swung upward by the urging force of the winding spring 88, and the locking portion 82a is forward of the locking body 57. It is configured to escape from above. Similarly, when the rear cam roller 87 comes out of the rear end cam surface 90c, the rear cam plate 85 is swung upward by the urging force of the winding spring 88, and the locking portion 85a is locked by the locking body 57.
It is configured to escape upward from the front of. An example of the engagement / disengagement device 80 is configured by the above 81 to 91.

In each stage, when the movable shelves 40 in any stage of the group of movable shelves 40 are expanded and retracted, the remaining movable shelves 40 are retracted to the retracted position. The lock means 95 is configured to be locked.

That is, a floating prevention member 97 is provided on the upper surface side of the rear end portion of the guide rail 11 via a bracket 96 and the like. The lifting prevention body 97 is formed with a downward lifting prevention surface 97a, and the locking body 57 of the shelf 51 is opposed to the lifting prevention surface 97a from below.
A lock body 99 is provided at the front end portion of the lifting prevention body 97 so as to be vertically swingable via a lateral pin 98.

Here, the lock body 99 has its lower end in contact with the guide rail 11 in the downward swing limit posture,
It is configured to have an inclined posture with the lower end being rearward. In the tilted state, the front side is the swing guide surface 99.
The lock surface 99b is formed on the rear side of the lock surface 99b. At that time, the locking body 57 on the movable shelf 40 side and the shaft body 81 of the engagement / disengagement device 80 are brought into contact with the swing guide surface 99a, and the locking body 99b is engaged with the locking body 99b. 57 is abutted. The rear portion of the guide body 90 is connected to the upper portion of the lifting prevention body 97 as described above. More than 96-99
An example of the lock means 95 is configured by the above.

The operation of the above-described embodiment will be described below. 1, FIG. 2, and FIG. 5 show a state in which the movable shelves 40 and the fall-preventing body 60 at all the stages are moved in and out. That is, the intermediate movable portion 41 of the movable shelf body 40 is in a state in which the front portion thereof is supported by the receiving roller 19 via the supported surface 41 a and the rear portion thereof is supported by the supporting surface 11 a via the idle wheel 43. So, it is in the retreat position. The front of the shelf 51 of the movable shelf 40 is the supported surface 5
In a state where it is supported by the support wheel body 47 through 1a, and the rear portion is supported by the guide body 50 through the idle wheel body 53,
It is in the retreat position. Further, the fall-prevention body 60 is in the retracted position with its front portion supported by the support wheel body 36 via the downward surface 41e and its rear portion supported by the support surface 30a via the idle wheel body 63. It is said that.

The rearward-facing anti-back body 23 can be engaged with the protrusion preventing engagement portion 56a of the engagement strip 56, so that the unexpected protrusion movement of the shelf portion 51 is prevented. Further, in the interlocking device 70, the connecting body 71 is in the retracted limit, and at this time, the shaft body 81 of the engagement / disengagement device 80 abuts on the swing guide surface 99a to swing the lock body 99 rearward and upward. .

Further, in the engagement / disengagement device 80, the rear cam roller 87 projects rearward of the rear end cam surface 90c, and the rear cam plate 85 is swung upward by the urging force of the winding spring 88.
The locking portion 85a escapes upward from the rear of the locking body 57. The cam roller 84 on the front side is provided with the cam regulating surface 90a.
The front cam plate 82 is swung downward against the urging force of the coil spring 88, and the locking portion 82a is opposed to the locking body 57 on the movable shelf 40 side from the front. ing.
Further, the locking body 57 passes through the portion of the lock body 99 and faces the floating prevention surface 97a of the floating prevention body 97 from below, thereby preventing the movable shelf 40 from being accidentally lifted.

In such a retracted state, for example, in order to cause the lowermost movable rack body 40 to project, the anti-back body 23 is first rotated forward through the rotation operation portion 22 to lock the projection preventing lock. The engageable posture with respect to the portion 56a is released. Next, the shelf 51 is put on a hand to exert a pulling force. As a result, only the shelf body portion 51 is pulled out, and the locking body 57 on the shelf body portion 51 side passes under the floating prevention surface 97a, the rear cam plate 85, and the lock body 99.

Then, when such a withdrawal is carried out for a while, the locking body 57 that has passed below the locking body 99.
However, the engaging portion 82 of the front cam plate 82 in the engagement / disengagement device 80
The connector 71 is engaged with a from the rear, and thus the connecting body 71 is integrally pulled out and moved via the shaft body 81 of the engagement / disengagement device 80. During this movement, the cam roller 87 of the rear cam plate 85 is guided by the cam restricting surface 90a, whereby the rear cam plate 85 is moved.
Is swung downward against the urging force of the winding spring 88, and the locking portion 85a faces the locking body 57 from the rear. As a result, as shown in FIG. 14, the shelf body 51 and the connecting body 71 are
And the fall prevention body 60 is integrally projected.

At this time, the protruding movement of the shelf 51 causes the supported surface 51a thereof to be supported by the support wheel 47, the side surface 51b to be guided by the idle guide body 49, and the rear idle wheel. While 53 is supported by the guide body 50 and the idle guide body 55 is guided by the guide surface 50c, stable and smooth operation is performed. Further, the projecting movement of the connecting body 71 via the engagement / disengagement device 80 is stably and smoothly performed while the upper guide roller 75 is guided by the guide rail 76.

Further, in the projecting movement of the fall prevention body 60, the downward surface 61e thereof is supported by the support wheel body 36, the inward surface 41f is guided by the idle guide body 38, and the rear idle wheel body 63 is moved. While being supported by the support surface 30a,
With the idle guide body 65 being guided by the guide surface 30b, stable and smooth operation can be performed. At this time, the recess 61d is formed in the fall prevention body 60, so that the fall prevention body 60 can be prevented from coming into contact with the operator's foot or the like.

When the above-mentioned shelf 51, the connecting body 71 and the overturning preventive body 60 are integrally projected by a certain amount,
The free rotation guide body 55 is brought into contact with the stopper body 50a, whereby the intermediate movable portion 41 is integrally projected. Then, the integrally protruding movement of the shelf 51 and the intermediate movable portion 41 is performed by a predetermined amount, and the cam roller 84 of the front cam plate 82 causes the front end cam surface 9 to move.
0, the front cam plate 82 is swung upward by the urging force of the winding spring 88, and the locking portion 82a escapes from the front of the locking body 57 upward as shown in FIG. It will be.

Therefore, the subsequent projecting movement is performed by the interlocking means 70.
With the above remaining, the shelf body portion 51 and the intermediate movable portion 41 are integrated, and the intermediate movable portion 41 is moved with respect to the guide device 10. At this time, the supported surface 41a of the intermediate movable portion 41 is moved by the receiving roller 19 when the intermediate movable portion 41 projects.
And the side surface 41b is supported by the idle guide body 17
To the support surface 11a.
Supported by the guide surface 1
It is stably and smoothly performed while being guided by 1b.

The projecting movement of the intermediate movable portion 41 is restricted by the idling guide body 45 contacting the intermediate portion stopper body 14. As a result, as shown in FIG. 16, the movable rack body 40 can be caused to project and move while being extended with respect to the intermediate movable portion 41, and at that time, the anti-back body 23 that has been rotated forward is moved in and out by the retracting prevention member. The movable rack 40 is automatically engaged with the stopper 56b, thereby preventing an unexpected backward movement of the movable shelf 40.

In this way, the lowermost movable shelving body 40 is caused to project while being extended, and then the work of placing the object A to be stored on the shelving body portion 51 at the tip portion thereof, or on the shelving body portion 51. It is possible to take out the contained object A from the work.
At this time, when the shelf equipment tries to fall forward due to an unbalanced load or the like, the landing body 66 of the overturn preventing body 60 is brought into contact with the floor surface B, so that the forward fall can be prevented. It should be noted that, during the above-described work, for example, the stored object can be temporarily placed on the intermediate movable portion 41 having a flat frame shape.

As described above, the lowermost movable shelf 40 is caused to project while being extended, whereby the fall prevention body 60 is integrally projected via the interlocking means 70. At that time, Along with the projecting movement of the interlocking means 70, the engagement / disengagement device 80 in the remaining stages is also integrally moved. That is, the engagement / disengagement device 80 in the remaining stage is moved in the protruding direction together with the connecting body 71 via the shaft 81, and the shaft 8
By the movement of 1, the lock body 99 is swung downward around the lateral pin 98, and the lower end thereof is guided by the guide rail 11
Abut on the upper surface of.

At this time, since the movable shelf 40 is not projected and moved, the locking body 57 is located at a position facing the uplift prevention surface 97a of the uplift prevention body 97 from below as shown in the upper stage of FIG. Therefore, the lock surface 99b of the lock body 99 faces the locking body 57 from the front. Therefore, the shelf portion 51 in the remaining steps
When it tries to move unexpectedly, its locking body 57
Is brought into contact with the lock surface 99b to prevent the protruding movement, and thus the lock means 95 can automatically prevent double withdrawal.

As described above, the shelves 51 that have been moved in the protruding direction.
When various operations are performed on the shelf body, the fall prevention body 60 and the connecting body 71 are projecting when the fall prevention body 60 and the connecting body 71 try to retreat (retract) integrally. The rear surface 71a of the connecting body 71 comes into contact with the stopper body 58 on the side of the portion 51 from the front side, whereby the connecting body 7
It is possible to prevent the retreat movement on one side, that is, the return movement.

As described above, the shelves 51 that have been moved to project.
After performing various operations on the movable shelving body 40, the anti-back body 23 is first rotated rearward through the rotation operation portion 22 to move the movable shelving body 40 back and forth.
The engageable posture with respect to is released. Next, shelf unit 5
Put your hand on 1 and apply pushing force. This allows
First, only the shelf 51 is pushed in, and then the idle wheel 5
3 is brought into contact with the stopper body 50b, the intermediate movable portion 4
1 is pushed in integrally.

Before and after such an integral pushing operation, the locking body 57 on the shelf body 51 side is engaged and disengaged by the engaging / disengaging device 8.
The engaging portion 85a of the rear cam plate 85 at 0 is engaged from the front, and the connecting body 71 is integrally pushed and moved via the engaging / disengaging device 80. That is, the fall prevention body 60 is integrally pushed and moved via the connecting body 71.

When the pushing is near the end, the locking body 57 first contacts the swing guide surface 99a of the lock body 99 to swing the lock body 99 upward.
As a result, the locking body 57 passes through the lock body 99 and is moved to a position facing the floating prevention surface 97a of the lifting prevention body 97 from below. Then the engagement / disengagement device
The shaft body 81 comes into contact with the swing guide surface 99a of the lock body 99 to swing the lock body 99 upward. In the engagement / disengagement device 80, the rear cam roller 87 has the rear end cam surface 90c.
The locking portion 85a escapes from the rear of the locking body 57 to the upper side by moving to the rear of the locking body 57a. As a result, FIG. 1, FIG.
As shown in FIG. 5, the movable shelves 40 and the fall-prevention body 60 in all the first stages are returned to the retracted state.

In the above embodiment, the intermediate movable portion 41
Although the movable shelves 40 that can be expanded and contracted by the rack and the shelves 51 are shown, the movable shelves 40 may be a multi-stage telescopic type configured by incorporating two or more intermediate movable parts.

In the above-mentioned embodiment, the movable shelving body 40 is moved back and forth while being extended and retracted by manual pulling and pushing. However, this is done by using an electric motor or the like. It may be in a form of moving in and out while physically moving.

In the above-described embodiment, the fall prevention body 60
As an example, a landing body 66 whose upper and lower positions are adjustable is provided at the front end portion of the main body 61, but this is the case in which idle wheels are provided at the front end portion of the main body 61. Good.

In the above-described embodiment, the anchor bolt 8 is applied to the lower side of each of the columns 2 and 3 so that the shelf frame 1
However, even if the anchor bolt 8 is omitted, it is possible to maintain stable movement in and out. In this case, the work for disposing the anchor bolts becomes unnecessary, and the installation position of the shelving device with movable shelves can be easily changed.

In the above-described embodiment, the interlocking means 70 uses the connecting body 71, but it may be interlocking with a cord-shaped body such as a wire or a chain.

In the above-described embodiment, when the movable shelves 40 at arbitrary stages are extended and retracted, the remaining movable shelves 40 are locked by the locking means 95 at the retracted position. However, this may be a form in which the locking means 95 is omitted.

In the above-described embodiment, the locking body 57 on the movable shelf 40 side that is moved in the projecting manner can be engaged with the connecting body 71 of the interlocking means 70 via the engaging / disengaging device 80. Although the format is shown, various formats can be adopted as the interlocking means 70.

In the above-mentioned embodiment, the guide body 90 is arranged at the upper level of the movable shelf 40, but the guide body 90 is reversed at the lower level of the movable shelf 40. It may be in a form arranged in.

[0070]

According to the first aspect of the present invention described above, when the movable shelves of arbitrary steps are extended and moved forward by the support guide of the guide device, the fall prevention body is interlocked with the interlocking means. When the movable shelves at arbitrary stages are retracted and retracted rearward, the fall prevention body can be retracted through the interlocking means. Therefore, while the movable shelves can be easily adopted in a shelf facility having a plurality of upper and lower stages and having a high storage efficiency, the movable shelves are caused to move in a protruding manner by sufficiently setting the projecting length of the overturn preventing body. It is possible to sufficiently cope with an unbalanced load at that time, so that regardless of the load to be placed, it can always be in a stable state that is hard to fall down. This stable state can be maintained regardless of the presence or absence of the anchor bolts, and the fall prevention body can be retracted to allow effective use of the floor surface. In addition, when the movable shelf is extended and moved, the shelf at the tip of the movable shelf can be positioned sufficiently forward of the shelf frame, which makes it easy and quick to load and unload items to be stored in the shelf. Can be done.

According to claim 2 of the present invention described above,
When retracting / moving movable shelves at any level,
It is possible to prevent the remaining movable shelves from moving back and forth by the locking means, so that double withdrawal (moving back and forth) can be automatically prevented.

According to claim 3 of the present invention described above, the movable shelves of arbitrary stages can be moved forward while being extended and expanded stepwise through the engaging / disengaging device, and the movable shelves of arbitrary stages can be moved. The body can be retracted rearward while being gradually contracted by the engagement / disengagement device, so that the movable shelves can be expanded and contracted regularly. In addition, when the overturning preventive body and the connecting body try to retreat (retract) integrally due to vibration or external force with the shelf body part protruding, the side of the shelf body part protruding The connecting body comes into contact with the stopper body from above from the front, so that the receding movement on the connecting body side, that is, the returning movement can be prevented.

Further, according to the fourth aspect of the present invention described above, by operating each part of the engagement / disengagement device as the movable shelf side moves in and out, the stepwise expansion / contraction movement of the movable shelf body is automatically performed. And it can be done reliably.

Further, according to the fifth aspect of the present invention described above, by operating each part of the locking means along with the withdrawal and retraction of the movable shelf side, switching between the locking posture and the unlocking posture with respect to the movable shelf side is performed. It can be done automatically and reliably.

[Brief description of drawings]

FIG. 1 is a side view of shelf equipment with movable shelves, showing an example of an embodiment of the present invention.

FIG. 2 is a front view of the shelf equipment with the movable shelf body.

FIG. 3 is a perspective view of a guide device portion in the shelf facility with the movable shelf body.

FIG. 4 is an exploded perspective view of a movable shelf body in the shelf equipment with the movable shelf body.

FIG. 5 is a partially cutaway side view of a main part of the shelf equipment with a movable shelf body.

FIG. 6 is a partially cutaway front view of a main part of the shelf equipment with movable shelves.

FIG. 7 is a vertical cross-sectional front view of a main part of the shelf equipment with a movable shelf body.

FIG. 8 is a partially cutaway front view of an intermediate stage portion of the shelf facility with the movable shelves.

FIG. 9 is a partially cutaway plan view of a support rail portion in the same shelf equipment with movable shelves.

FIG. 10 is a partially cutaway plan view of a fall-preventing body portion in the shelf facility with the movable shelf body.

FIG. 11 is a partially cutaway plan view of a guide device portion in the same shelf equipment with movable shelves.

FIG. 12 is a partially cutaway plan view of an intermediate movable portion in the shelf equipment with movable shelves.

FIG. 13 is a partially cutaway plan view of a shelf body portion in the same shelf equipment with movable shelves.

FIG. 14 is a partially cutaway side view showing the operation of the movable shelves in the same shelf equipment with the movable shelves when the shelves are slightly protruding.

FIG. 15 is a partially cutaway side view showing the operation of the movable shelves in the shelf equipment with the movable shelves, when the intermediate movable portion slightly moves.

FIG. 16 shows an operation in the shelf equipment with the movable shelf body,
It is a partially cutaway side view when the movable shelf body and the fall prevention body move in a protruding manner.

[Explanation of symbols]

1 shelf frame 2 front columns 3 rear columns 6 Top plate frame 8 anchor bolts 10 Guide device 11 Guide rail 17 Idling guide body 19 Receiver roller 22 Rotation operation part 23 Anti-back body 30 support rails 33 Support guide means 36 Support wheel 38 Idling guide body 40 movable shelves 41 Intermediate moving part 43 idle wheel 45 Idling guide body 47 support wheel 49 Idling guide body 50 guide body 51 shelves 53 idle wheel 55 Idling guide body 56 locking strip 57 locking body 58 Stopper body 60 Fall prevention body 61 body 61d recess 63 idle wheel 65 Idling guide body 70 Interlocking means 71 connected body 71a rear surface 75 Guide roller 76 Guide rail 80 Engagement device 81 axis 82 Front cam plate 82a locking part 84 Cam roller 85 Rear cam plate 85a locking part 87 Cam roller 88 Winding spring (biasing body) 90 guide 90a Cam restriction surface 95 Locking means 97 Lifting prevention body 97a Lifting prevention surface 99 rock body 99a Swing guide surface (front) 99b Lock surface (rear surface) A containment B floor

Claims (5)

[Claims] 1. A shelf frame is provided with a plurality of vertically movable shelves supported and guided by a guide device so that the shelves can be retracted and retracted in the front-rear direction. At the same time, the tip of the shelf is formed on a shelf for supporting the stored object, and a fall prevention member is provided at the lower part of the shelf frame so as to be able to move forward and backward. Shelving equipment with movable shelves, which is provided with interlocking means for moving the fall-prevention body in and out in association with the movement of. 2. When the movable shelves at arbitrary stages are retracted while retracting, the remaining movable shelves are locked by the locking means in the retracted retracted position. Shelving equipment with movable shelves according to 1. 3. The interlocking means has an up-down connecting body which is guided to the shelf frame side and is movable in the front-rear direction. The connecting body has a lower portion connected to the overturn preventing body and a movable shelf. It is configured to be able to contact the stopper body on the body side from the front,
3. A shelving facility with movable shelves according to claim 1, wherein an engaging / disengaging device for expanding and contracting the movable shelves is provided between the shelf frame side and the interlocking means side. . 4. The engagement / disengagement device includes a shaft body provided at a predetermined position of the coupling body, a pair of front and rear cam plates individually swingably attached to the shaft body, and the cam plates face each other. On the side, a cam roller provided on both cam plates, an urging body that urges both cam plates to oscillate in a direction in which both cam rollers approach each other, and a guide that guides both cam rollers. The guide body has a horizontal cam restricting surface formed in the front-rear direction, and both cam rollers are guided by the cam restricting surface, so that both cam plates resist the biasing force of the biasing body. Then, both locking parts are positioned in front of and behind the locking body on the movable shelf side, and either cam roller is disengaged from the front and rear ends of the cam restricting surface. It is configured so that it is swung by the urging force of the urging body so that the locking part escapes from the front and rear of the locking body. The shelving equipment with movable shelves according to claim 3, wherein 5. Each stage is provided with a lock means for locking the contracted movable shelf body at the retracted position, and the lock means includes a floating prevention body having a downward floating prevention surface, and the floating body. A lock body is provided at the front end portion of the preventive body so as to be capable of swinging up and down. Is configured such that the locking body on the movable shelf side and the shaft body of the engagement / disengagement device abut, and the locking body abuts on the rear surface. Shelving equipment with movable shelves according to item 4.