JP2500891Y2 - Underfloor storage - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to an underfloor storage, and more particularly to a technique for accurately taking out any of a plurality of storages from an opening on the floor. is there.

[Prior Art] Conventionally, a movable frame 2 is movably supported in a substantially horizontal direction on a fixed rail 1 installed under the floor, and a plurality of storage units 3 are held in the movable frame 2 so as to be vertically movable. The underfloor storage which lifts the storage part 3 moved to a specific position with the movement of 2 and opens the lid 8 of the opening 4 formed on the floor surface to project the storage part 3 from the opening 4 is shown in FIG. 13
As shown in Japanese Laid-Open Patent Publication No. 55-32873, the movable frame 2 is driven to move and the storage unit 3 moved to a specific position is lifted by raising the pantograph 9, and the lid 8 of the opening 4 on the floor is pushed up to store the storage unit 3 therein. To project from the floor.

[Problems to be Solved by the Invention] However, in order to drive and move the movable frame 2 and extend the pantograph 9 to lift the container 3 at a specific position, the movable frame 2 moves the container 3 to a specific position. If the storage body 3 and the pantograph 9 cannot be aligned unless the control for bringing the storage body 3 into the container is accurately performed, there arises a problem that the storage body 3 collides with the edge portion of the opening 4, so that a limit switch or the like for positioning is provided there. The control system becomes complicated, and problems are likely to occur in terms of cost and maintenance.

The present invention has been made in view of such a problem, and its object is to make a simple improvement so that even when the movable frame is slightly displaced, the lifting plate of the lifting means and the bottom of the storage body are not separated from each other. An object of the present invention is to provide an underfloor storage that can perform accurate alignment, carry out a storage body from a predetermined opening, simplify a control system, and reduce costs.

[Means for Solving the Problems] In the underfloor storage of the present invention, a movable frame 2 is supported by a fixed rail 1 installed under the floor so as to be movable in a substantially horizontal direction,
A plurality of storage bodies 3 are held in the movable frame 2 so as to be able to move up and down, and the storage body 3 moved to a specific position as the movable frame 2 moves is lifted to open a lid 8 of an opening 4 formed on the floor surface. Opening 4
It is an underfloor storage that projects the storage body 3 from above, and is provided with elevating means E that is elevated and lowered at the specific position to elevate and lower the storage body 3 at the specific position. Positioning recess 31 having a tapered surface T for correcting the positional deviation between the positioning recesses 31
On the other side, a positioning protrusion 30 that slides in contact with the tapered surface T and is inserted into a predetermined position is formed on the other side, and the movable surface 2 has tapered surfaces Y at two diagonal positions of each divided area of the storage body 3. A positioning recess 27 is formed, and the bottom corner portion of the storage body 3 to be fitted into the positioning recess 27 has a positioning portion 28.
It is characterized by being.

[Operation] As described above, the elevating means E for elevating and lowering the housing 3 at a specific position is provided, and one of the bottom portion of the housing 3 and the elevating plate 20 of the elevating means E is provided with a mutual position. Positioning recess 31 having a tapered surface T for correcting the displacement
By forming a positioning protrusion 30 that is slidably contacted with the tapered surface T and is inserted into a predetermined position on the other side, a slight amount is required to move an arbitrary storage body 3 to a specific position by moving the movable frame 2. Even if the position shift occurs, it is not necessary to correct this position shift within the range of the tapered surface T, insert the positioning protrusion 30 into the positioning recess 31, and perform high-precision control when moving the movable frame 2. A positioning recess 27 having a tapered surface Y is formed at two diagonal positions of each partitioned area of the housing 3 in the movable frame 2 so as to be advantageous in cost and maintenance. The bottom corner portion of the storage body 3 to be inserted into is a positioning portion 28, the movable frame 2 is stopped at a predetermined position, and the elevating means E is operated to move the storage portion 3 held by the movable frame 2. Risen Then, the storage part 3 is lifted to open the lid 8 of the opening formed on the floor surface to project the storage body 3 from the opening, and the article stored in the storage body 3 can be taken out or stored on the floor surface. After that, the elevating means E is lowered to lower the storage body 3 below the floor surface, and the storage body 3 is mounted on the movable frame 2. A positioning recess 27 having a tapered surface Y is formed at a diagonal position, and two bottom corner portions of the storage unit 3 at the diagonal position are satisfactorily inserted into the positioning recess 27 to be stored in the movable frame 2. The body 3 can be mounted at a predetermined position.

Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.

The inner surface of a long outer shell case 12 with an opening at the top is interiorized with a wood veneer such as paulownia, and the flange 13 at the peripheral portion of this outer shell case 12 supports the floor board 10. The spacer 14 such as mortar is interposed between the bottom surface of the outer shell case 12 and the ground below the floor, and the outer shell case 12 is supported with a horizontal level and is mounted in the outer shell case 12. It is easy to obtain the levelness of the various equipment described later, and the workability is improved.

A frame-shaped body 15 is attached to the inner bottom of the outer shell case 12 along the inner circumference of the outer shell case 12, and the long frame portions facing each other in the frame body 15 serve as the fixed rail 1. Such a frame
The mounting of 15 is carried out by using a nut embedded in the outer shell case 12, and if the outer shell case 12 is leveled, the fixed rail 1 can also be leveled. Movable frame 2
Is assembled in a frame shape, and a roller 16 is attached to the lower surface of the opposing frame body 2a of the movable frame 2. The roller 16 is rotatably mounted on the fixed rail 1 and movable with respect to the fixed rail 1. The frame 2 is movably mounted. Then, as shown in FIG. 11, an L-shaped bracket 41 extends from the frame of the movable frame 2 on one side of the rollers 16 facing each other among the rollers 16 facing each other, and a roller 42 is provided around the vertical axis 43 on the bracket 41. Is rotatably mounted, and the roller 42 is inserted into the channel-shaped fixed rail 1 to prevent the movable frame 2 from swinging left and right with respect to the fixed rail 1, and the movable frame 2 is lifted from the fixed rail 1. Is prevented.

A hydraulic cylinder 5a is provided between one side of the movable frame 2 and one side of the frame body 15 in a substantially horizontal direction, and the movable frame 2 can be driven and moved by expanding and contracting the hydraulic cylinder 5a. In the embodiment, the movable frame 2 has a plane shape of the frame body 15 of about 2 /.
With the size of 3, the horizontal movement amount of the movable frame 2 is about 1/3 of the length of the frame body 15.

At the center of the bottom of the outer shell case 12, a substrate 18 having a lifter 17 is attached by a bolt 19a at a predetermined seat 19, and the lifter 17 is fixed at a substantially central portion of a long frame-shaped body 15. It is possible to move up and down with a stroke from a position below 1 to an opening 4 formed on the floor. Specifically, the substrate 18 of the lifter 17 and the lift plate 20 of the lifter 17
A pantograph 9 as an elevating means E that bends and extends is interposed, and a hydraulic cylinder 6a is attached between the horizontal axis of the substrate 18 and the pantograph 9, and the pantograph 9 is extended and contracted by expanding and contracting the hydraulic cylinder 6a to raise and lower the elevation plate 20. It can be raised and lowered.

The movable frame 2 is provided with a partition frame 22 that divides the movable frame 2 into two equal parts in its length direction, and a rectangular storage body is movably mounted and held in each partition region. The housing 3 is composed of an elevating pedestal 23 and a container body 24. The elevating pedestal 23 has three standing pieces 25 excluding one side edge out of the four circumferences. Has casters 26 attached. Then, the container body 24 is stored on the lift receiving table 23 via the casters 26, and the container body 24 is held by the three rising pieces 25 of the lift receiving table 23.
Can be positioned. In such a case, the positioning may be performed using a magnetic catch.

The four corners of the lower surface of the lift receiving table 23 that houses the container body 24 are positioning portions 28. Positioning recesses 27 having a tapered surface Y are formed at two diagonal positions of the two partitioned areas of the housing 3 in the movable frame 2.
Positioning projections 30 are formed at the four corners of the lift plate 20 of the lifter 17, and positioning recesses 31 having a tapered surface T are formed on the lower surface of the lift receiving table 23. Therefore, the positioning portions 28 at the four corners of the lower surface of the lift receiving table 23 engage with the positioning recesses 27 having the tapered surface Y of the movable frame 2 and are stored in the two compartments of the movable frame 2 via the lifting receiving table 23. The body 3 is placed and held.

According to the above configuration, the hydraulic cylinder 5a is extended to move the movable frame 2 to one side, and then the hydraulic cylinder 6a on the pantograph 9 side is extended to expand the pantograph 9.
When the elevating plate 20 is lifted up by elevating, the positioning protrusions 30 of the elevating plate 20 are engaged with the positioning recesses 31 having the tapered surface T of the elevating pedestal 23, absorbing some positional deviation, and elevating the pedestal 23. The container body 24 is lifted via the.

An opening 4 having a shape substantially equal to the planar shape of the container body 24 is formed on the floor surface. The opening 4 has a lid 8 that opens like a double door.
Is provided, and the lid 8 is pushed by the top plate of the container main body 24 which is raised to open left and right. A roller 33 is rotatably held on the back surface of the lid 8 via a lever 32, and the roller 33 is pushed by the top plate of the container body 24 and pushed out. By contacting the side plate of the main body 24, the open state of the lid 8 can be maintained. A step is formed on the side plate of the container body 24 on the side where the roller 33 contacts.
37 is formed, and the upright piece 25 of the lift receiving base 23 is inserted in the stepped portion 37, the side plate and the upright piece 25 are flush with each other, and the roller 33 rolls smoothly to open the lid 8 smoothly. I am doing it.

In such a case, the horizontal pin 34 for connecting the pivotal support of the pantograph 9
In the clearance between the shaft hole and the shaft hole, or in the clearance between the shaft and the shaft hole at the pivotal connection points on the cylinder bottom side and the cylinder rod side of the hydraulic cylinder 5a, the pantograph 9 easily shakes, and such shaking causes the container body to move. A guide roller 35 is attached to the edge portion of the opening 4 in order to prevent the sliding contact of the edge portion 24 with the edge portion of the opening 4. The guide roller 35 is provided on the long side of the opening 4. Then, with the expansion of the pantograph 9, the pantograph 9
Even if the container body 24 tries to shake, the container body 24 is guided by the opposing guide rollers 35 in the shaking area, and the container body 24 is stably raised and lowered.

The drive of the hydraulic cylinder 6a of the pantograph 9 is stopped when the container body 24 is at the maximum raised position, and in this stopped state, the level of the floor surface and the level of the lift receiving table 23 are substantially matched.

A small piece-shaped bridge 36 is rotatably provided at the edge of the elevating pedestal 23 where there is no standing piece 25, and after the elevating pedestal 23 is raised to a predetermined level, the bridge 36 is laid down to bridge 36. Over the edge of the opening 4 to cover the gap between the lifting pedestal 23 and the opening 4 on the floor, and casters on the bridge 36.
The container body 24 can be taken out to the floor by running 26. The container body 24 brought out on the floor is opened or the like to store or take out articles, and the container body 24 is used as, for example, a table or the like. That is, the auxiliary top plate 44 is rotatably attached to the top plate of the container body 24, and the auxiliary leg 45 is also attached to the container body.
The auxiliary top plate 44 is mounted on the auxiliary legs 45 which are rotatably attached to the side plates of the 24 and are rotated and carried out at right angles to the side plates.

The lid 8 is pulled by a pulling spring 39 via a link 38, the lid 8 is urged in the closing direction, and the rollers 33 are always brought into contact with the left and right upright pieces 25 of the lifted pedestal 23. The open state can be maintained. Then, the container body 24 taken out on the floor is caster 26 on the bridge 36 again.
Is passed through and is stored in the up-and-down receiving table 23, and the hydraulic cylinder 6a is contracted to lower the pantograph 9 to guide the container body 24 to the underfloor by the guide roller 35. Then, the roller 33 on the lid 8 side which is closed and biased by the pulling spring 39
As the container body 24 descends, it rolls from the upright piece 25 of the lift receiving table 23 to the side plate of the container body 24, and finally contacts the top plate of the container body 24 and the lid 8 automatically It will be closed.

Then, at the maximum lowered position of the pantograph 9, the positioning portions 28 at the four corners of the lift receiving base 23 engage with the positioning recesses 27 of the movable frame 2 by utilizing the taper surface Y thereof, and the lift plate 20 on the pantograph 9 side. Is further lowered, and the positioning projection 30 of the lifting plate 20 is released from the positioning recess 31 of the lifting support 23. In this stored state, the hydraulic cylinder 5a is contracted to draw the movable frame 2 to one side of the outer shell case 12,
The other container body 24 is moved onto the pantograph 9, and if necessary, the pantograph 9 is raised and the other container body 24 is raised and taken out on the floor as in the above-described operation.

In the embodiment, the movable frame 2 is divided into two sections, and the storage bodies 3 are provided in each section, but the section of the movable frame 2 and the number of the container bodies 24 can be changed.

[Advantages of the Invention] In summary, the present invention is provided with an elevating means for elevating and lowering to raise and lower the storage body at a specific position. Since a positioning recess having a tapered surface is formed and the other side is formed with a positioning projection that is slidably contacted with the tapered surface and inserted into a predetermined position, any movable body can be moved to a specific position by moving the movable frame. Even if a slight displacement occurs when transferring, the displacement can be corrected in the range of the tapered surface and the positioning protrusion can be inserted into the positioning recess to accurately take out the storage body from the opening. It is not necessary to perform highly precise control when shifting the frame,
This can be advantageous in cost and maintenance, and moreover, positioning recesses having tapered surfaces are formed at two diagonal positions of each partitioned area of the housing in the movable frame,
Since the bottom corner portion of the storage body inserted into the positioning recess serves as the positioning portion, the movable frame is stopped at a predetermined position and the elevating means is operated to raise the storage portion held by the movable frame. Then, lift the storage part and open the lid of the opening formed on the floor surface to project the storage body from the opening, take out the article stored in the storage body on the floor surface, store the article, and then move up and down. When the storage unit is lowered below the floor and the storage unit is mounted on the movable frame, the positioning recess having a tapered surface at the diagonal position of each mounting area for mounting the storage unit on the movable frame is used. There is an advantage that the storage frame can be held in a predetermined position by properly inserting two corners of the bottom of the storage portion at diagonal positions of the storage portion into the positioning recess. .

[Brief description of drawings]

FIG. 1 is a partially broken perspective view of an embodiment of the present invention, and FIG.
Figures (a), (b) and (c) are plan sectional views showing the relationship between the outer shell case, the movable frame and the fixed rail, and a schematic side cross section along the length of the outer shell case in a raised state of the pantograph. FIG. 4, a side sectional view of the pantograph in a raised state along the short direction of the outer shell case, and FIG. 3 is a detailed plan view showing the relationship between the outer shell case, the fixed rail, and the movable frame. ) (B) is a partially cutaway side view of the same as above, a perspective view of the positioning recess, FIG. 5 is a partially cutaway side sectional view of the pantograph in the ascended state, and FIG. 6 (a) (b) ( c)
Is a sectional side view, a rear view, and a sectional side view showing the container body and the lifting / lowering pedestal of the same, and FIG. 7 is a sectional side view showing the relationship between the lid and the container body of the same, FIG. 8 (a) ( b) is a front sectional view showing the opened state of the lid, a side sectional view thereof, FIG. 9 is a side sectional view showing the guide roller of the same, and FIGS. 10 (a), (b) and (c) are guide rollers of the same. Plan view, front view and side view of No. 11
The figure is a schematic cross-sectional view showing the relationship between the fixed rail and the rollers of the movable frame, and FIG. 12 is a partially broken front view of the conventional example.
FIG. 13 is a partial perspective view of the same as above, where 1 is a fixed rail, 2 is a movable frame, 3 is a storage part, 4 is an opening, 8 is a lid, 30 is a positioning protrusion, 31 is a positioning recess, E is an elevating means, T is a tapered surface, Y is a tapered surface, 27 is a positioning recess, and 28 is a positioning portion.

Claims (1)

(57) [Scope of utility model registration request] 1. A movable frame is supported by a fixed rail installed under the floor so as to be movable in a substantially horizontal direction, and a plurality of storage bodies are held in the movable frame so as to be able to move up and down, and specified along with the movement of the movable frame. An underfloor storage that lifts the storage body that has been moved to the position and opens the lid of the opening formed on the floor surface to project the storage body from the opening, which is driven up and down at the specific position to raise and lower the storage body at the specific position. Elevating means is provided to
Either one of the bottom of the storage body and the lifting plate of the lifting means,
A positioning recess having a tapered surface that corrects the mutual positional deviation is formed, and a positioning protrusion that slides into the tapered surface and is inserted into a predetermined position is formed on the other side, and the diagonal position of each partitioned area of the storage body in the movable frame is formed. An underfloor storage, characterized in that a positioning recess having a tapered surface is formed at two positions, and the bottom corner portion of the storage body inserted into the positioning recess serves as the positioning part.