JP5118014B2 - Plate material support mechanism, luggage rack and step board using the same - Google Patents

Description

  The present invention relates to a plate material support mechanism configured to rotatably support a plate material such as a shelf plate or a tread plate so that the plate material can be easily installed and folded, and a luggage shelf and a step board to which this mechanism is applied.

When delivering parcels by vehicle, the luggage is sorted and loaded in advance in the luggage room by area or type (for example, cold baggage), delivered to the area, and delivered to the destination in the area. We are trying to deliver sequentially.
In this case, even if the baggage is properly sorted in advance, the small baggage may be hidden between the large baggage, and it may be necessary to search for the baggage to be delivered in the luggage room during the delivery work.
In order to eliminate the trouble of searching for such small luggage, a luggage rack on which small luggage is placed is installed in the luggage room so that small luggage can be loaded separately from large luggage, and the loading position is changed depending on the size of the luggage. (See, for example, Patent Document 1).

JP-A-8-230556

If you install a luggage rack in the luggage compartment and divide the loading position according to the size of the luggage, the small luggage will not be mixed between the loaded luggage, but the shelf of the luggage rack was always overhanging in the room When a large number of large loads need to be loaded, the number of loads is limited, and the installation space in the luggage room is narrowed.
It is possible to rotate the shelf of the luggage shelf from the horizontal position where the luggage is placed to the upper vertical position, and to place the luggage by tilting the shelf horizontally only when necessary. In the embodiment, a stopper is required for fixing the shelf board that has been rotated to the upper vertical position while the vehicle is running so as not to fall down, and its mechanism and operation become complicated. Moreover, since it is necessary to provide the shelf board rotated to the upper vertical position so as not to contact the ceiling of the luggage compartment, the width of the shelf board to be installed must be shortened.

  In view of the above-described problems of the prior art, the present invention configures a plate material support mechanism so that installation and storage of a shelf board can be performed with a simple operation. An object of the present invention is to form an installation space and fold the shelf downward to make effective use of the surrounding space when unnecessary.

In order to solve the above-mentioned problems, the plate material support mechanism of the present invention is a plate mounted on the opposite inner side surfaces of the columns arranged in parallel, and the shaft portions projecting from the outer surfaces of the rear ends of the plate material are rotatably mounted. In the plate material support mechanism that supports the shaft in a tiltable manner, the bearing is composed of a bearing plate having a shaft hole into which a shaft portion of the plate material is engaged and a rear plate fixed in the vertical direction behind the bearing plate. In addition, the shaft hole of the bearing plate is formed so as to be inclined downward from the upper front side of the bearing plate to the rear lower side, and the shaft portion of the plate member engaged with the shaft hole of the bearing plate is the lowermost end in the shaft hole. The plate material is characterized in that it is supported so that its front end projects forward and its rear end surface is in contact with the rear plate of the bearing plate in a state of being positioned at the portion.
According to this, the plate member is rotatably supported with its shaft portion engaged in the shaft hole of the bearing, and the plate member has its tip at the position of the support column at a position where the rear end surface of the plate member is joined to the rear plate of the bearing. It protrudes forward and is fixed. Further, if the shaft portion is moved forward along the shaft hole and the tip end side of the plate material is slightly lifted upward, the plate material rear end surface is detached from the rear plate, and if the tip end of the plate material is rotated downward as it is, The plate member is folded in parallel with the support column with its tip vertically downward.

The luggage rack of the present invention to which the plate material support mechanism is applied is a bearing attached to the opposite inner side surface of the support columns arranged in parallel, and rotatably supports the shaft portion protruding from the outer side surfaces of the rear ends of the shelf plate. In the luggage shelf in which the shelf plate is attached to the support column, the bearing is composed of a bearing plate having a shaft hole into which the shaft portion of the shelf plate is engaged and a rear plate fixed in the vertical direction behind the bearing plate. An inclined surface in which the shaft hole of the bearing plate is formed by obliquely notching from the front end edge of the bearing plate to the lower rear and forming the rear end surface of the shelf plate rearward from the upper edge. It has the structure provided in the shape.
In this configuration, instead of the shaft hole formed by obliquely notching from the front edge of the bearing plate to the lower back, the shaft hole of the bearing plate is formed by obliquely notching from the front upper end edge of the bearing plate to the lower rear. May be.
According to this, the shelf plate is rotatably supported with its shaft portion engaged in the shaft hole of the bearing, and the rear end surface provided in the shape of the inclined surface of the shelf plate is joined to the rear plate of the bearing. The shelf board is fixed substantially horizontally with its tip projecting forward of the support column, and it becomes possible to place a load on the upper surface of the shelf board. Further, if the shaft is moved forward along the shaft hole and the tip of the shelf is slightly lifted upward, the rear end of the shelf will be detached from the rear plate, and the shelf will be able to rotate. , The shelf plate can be folded in parallel with the column with its tip directed vertically downward and stored in the gap between the columns.

In the above-described configuration, the upper part of the rear plate of the bearing is bent forward, and a protrusion projecting downward is provided on the lower surface of the bent portion, and a long hole portion is provided on the upper surface of the rear end of both sides of the shelf plate. It is preferable that the projection is engaged with the elongated hole portion in a state where the rear end surface of the shelf plate in which the shaft portion is engaged is joined to the rear surface plate of the bearing.
According to this, with the rear end surface joined to the rear plate of the bearing and the shelf plate supported substantially horizontally in front of the support column, the projection of the bent portion of the rear plate is engaged with the elongated hole portion of the shelf plate from above. Therefore, the rear end of the shelf does not come off from the bearing even if a force pulling the shelf forward or a force to rotate it is applied, and the shelf is securely attached to the bearing. be able to. Unless both the force for moving the shaft portion of the shelf plate along the shaft hole and the force for rotating the shelf plate with the shaft portion as a fulcrum are simultaneously applied, the shelf plate does not come off the bearing.
In addition, a protrusion projecting forward is provided on the rear plate of the bearing, an engagement hole is provided in the rear end surface of both side portions of the shelf plate, and the rear end surface of the shelf plate in which the shaft portion is engaged in the shaft hole is provided behind the bearing. If the projection is engaged with the engagement hole in a state where it is joined to the face plate, the shelf plate that is erected in the horizontal state and supported by the bearing can be more securely attached.

Further, in the above-described configuration, the engaging pieces are provided on the lower surfaces of the rear portions of both sides of the shelf, the tip of the shelf is rotated downward with the shaft portion engaged in the shaft hole as a fulcrum, and the shelf falls down in parallel with the column. It is preferable that the engaging piece is engaged with the protrusion in the state where the protrusion is engaged.
According to this, the shelf board accommodated in the gap between the support columns can be fixed to the folded storage position so as not to swing without fluttering.

The said structure WHEREIN: It is preferable that the thin protrusion of appropriate length is provided along the front end and right-and-left side edge of the frame part upper surface of a shelf board.
If a protrusion is provided along the periphery of the upper surface of the frame portion, the protrusion can serve as a stopper, and the load placed on the upper surface of the shelf can be prevented from falling off the shelf.

  Further, in the above configuration, instead of the support columns arranged in parallel, a bearing is attached to the inner surface facing the gap of the housing having a gap of a width in which the shelf can be inserted, and the shelf board is supported by both bearings. You may comprise. If the shelf board can be rotatably supported by the bearing, an appropriate housing such as furniture, a support tool, a base, a frame body, or the like can be used as the support column.

  The luggage rack of the present invention is suitable for a usage form installed in a luggage compartment of a vehicle for carrying goods, but the place and part where the luggage rack is installed are not limited to the vehicle, and are indoor and outdoor fixed objects such as furniture and cabinets. It can be applied to any form of installing a moving object and other luggage racks.

Further, instead of the plate material of the plate material support mechanism or instead of the shelf plate of the luggage shelf, the tread plate is made to be able to stand up and lie down by being rotatably supported by the shaft portion of the bearing attached to the support column. A springboard is constructed.
The plate material support mechanism of the present invention is not limited to a luggage shelf or a platform, but can be used by tilting the plate material in the vertical direction when not in use, and jumping up the plate material to support it horizontally when in use. It is possible to apply to forms of articles.

Preferred embodiments of the present invention will be described with reference to the drawings.
FIGS. 1-12 has shown the luggage shelf of one Embodiment to which the board | plate material support mechanism of this invention is applied.
The luggage rack 1 in this form is used by being installed in a luggage compartment of a luggage transport vehicle. As shown in the side appearance of the luggage rack in FIG. 1, struts 21 and 21 having appropriate heights. Pedestal 2 for fixing the floor to the floor of the luggage compartment, the shelf 3 supported on both sides by the columns 21, 21, and the rear ends of both sides of the shelf 3 attached to the opposing inner surfaces of the columns 21, 21 And a bearing 4 that is rotatably supported. When used, the shelf board 3 is projected almost horizontally to the front of the support column 21 so as to be able to load a load. When not in use, the shelf board 3 is tilted between the supports 21, 21. It is configured so that it can be stored.

As shown in FIG. 2, the base 2 has legs 22, 22 having a substantially L shape integrally connected by a lower connecting rod 23, and the upper ends thereof are integrally connected to the legs 22, 22 by an upper connecting rod 24. The connected struts 21 and 21 are erected so that the struts 21 and 21 are supported in parallel in a vertical direction. The pedestal 2 is formed firmly so that it does not fall down even if a heavy load is placed on the shelf board 3 supported by the columns 21 and 21 by welding a steel pipe having a square cross section. Further, bearings 4 and 4 which will be described later are integrally attached to the opposed positions of the upper inner side surfaces of the columns 21 and 21.
Further, as shown in FIG. 3, the column 21 has its lower end fitted into the upper end of the leg portion 22 from above and is fixed by a fixing tool 5 such as a bolt. It is possible to set the height of the shelf 3 appropriately by preparing a plurality of columns 21 and 21 having different heights and selectively mounting and fixing these to the legs 22 and 22. It is like that.

As shown in FIG. 3, the shelf board 3 is formed by receiving steel plates in a lattice shape on the upper part of a frame portion 31 formed by fixing connection rods 312 to opposite side surfaces of an outer frame 311 bent in a substantially U shape. The portion 32 is fixed by welding, and is formed so that a load can be placed on the receiving portion 32 and supported.
More specifically, as shown in FIG. 5 and FIG. 6, the shelf board 3 has a shaft portion 33 having a flange 33 a at the tip inserted into a through hole 311 a formed on both side rear side surfaces of the frame portion 31. In addition, the flange 33a is integrally fixed to the outside of the frame portion 31 by welding at a position protruding horizontally by an appropriate width.
Further, the shelf plate 3 is formed by providing the rear end surfaces 31a of both ends of the frame portion 31 in an inclined surface shape in which the lower edge of the rear end surface protrudes backward from the upper edge, and the rear end surface 31a is continuous. A narrow slot 31b is provided in the center of the upper surface of the rear end of the frame 31. Further, an engagement piece 31c having a through hole 31d in the center is protruded downward on the lower surface of the rear of both ends of the frame 31. Both the long hole portion 31b and the engagement piece 31c are portions where a projection 43 of the bearing 4 described later is engaged.
Further, as shown in FIG. 4, thin protrusions 31 e having appropriate lengths are provided along the front end and the left and right side ends of the upper surface of the frame portion 31. The protrusion 31e functions as a stopper that prevents the load placed on the receiving portion 32 from dropping off.

The bearings 4 are respectively attached to the opposed inner side surfaces of the columns 21 and 21, and as shown in FIG. 7, a bearing plate 42 having a shaft hole 42a is fixed in a frame surface 41a bent in a U-shape. The support body 41 is fixed to the rear plate of the support column 21, and the bearing plate 42 is arranged in parallel with the side surface of the support column 21 with an appropriate interval.
More specifically, the shaft hole 42a of the bearing plate 42 has a width that allows the shaft portion 33 of the shelf plate 3 to be substantially fully engaged, and is formed by obliquely notching from the upper part of the front end edge of the bearing plate 42 to the lower rear. The shaft portion 33 engaged with the shaft hole 42a is rotatably supported and is slidable along the shaft hole 42a. Note that the bearing plate 42 has a width in front and back that is substantially the same as the width of the column 21.
In addition, a rear plate 41b extending in the vertical direction of the support 41 is fixed to the rear of the bearing plate 42, and a bent portion 41c bent forward is formed on the upper portion of the rear plate 41b. The protrusion 43 that protrudes downward is integrally provided on the lower surface of the bent portion 41c.

The luggage shelf 1 of this embodiment configured in this manner has the shelf 3 placed horizontally in front of the bearings 4, 4 of the columns 21, 21, and the shaft portions 33, 33 on both sides of the shelf 3 are connected to the bearing plate 42. 42, the shelf board 3 is attached to the inner side surfaces of the columns 21, 21 by being pushed into the shaft holes 42a, 42a.
The shelf 3 attached to the support columns 21 and 21 is supported so that the shaft portion 33 can be rotated up and down with the shaft portion 33 as a fulcrum while the shaft portion 33 is engaged in the shaft holes 42a and 42a. Is done. As shown in FIG. 8, the flange 33a of the shaft portion 33 is inserted into the gap between the side surface of the support column 21 and the bearing plate 42 with the shaft portion 33 engaged with the shaft hole 42a. Even if a force in a direction along the shaft portion 33 is applied to the plate 3, the shaft portion 33 does not come off the bearing plate 42.

When the luggage is placed on the shelf board 3, if the front end side of the shelf board 3 is pushed up to a position where the shelf board 3 becomes substantially horizontal, as shown in FIG. 9, the shaft portion 33 is caused by the weight of the shelf board 3 itself. Slides downward along the shaft hole 42a and is positioned at the lowermost end of the shaft hole 42a, and the rear end portion of the shelf board 3 is fixed by the bearing 4 so as not to swing at this position.
That is, as shown in FIGS. 8 and 10, the inclined rear end surface 31 a of the shelf plate 3 is closely joined to the vertical rear surface plate 41 b of the bearing 4, so that it faces downward or upward toward the front end side of the shelf plate 3. The shelf plate 3 does not rotate even when the force is applied, and the projection 43 provided on the rear plate 41b engages with the elongated hole portion 31b of the shelf plate 3, so that the force pulling the shelf plate 3 forward is applied. The shelf plate 3 does not come off from the bearing plate 42 even if is applied, and the shelf plate 3 is fixed substantially horizontally with its tip projecting forward of the column 21. At such a fixed position, the shelf board 3 is supported so that the tip side is slightly above the horizontal plane (see angle α in FIG. 1), and a load can be placed on the receiving portion 32 of the shelf board 3.

Further, when there is no luggage to be placed on the shelf board 3 and the shelf board 3 is unnecessary, as shown in FIG. 11, the shelf board 3 is moved while moving the shaft portion 33 forward along the shaft hole 42a from the fixed position. If the front end of the shelf plate is slightly lifted upward, the rear end surface 31a of the shelf plate 3 is detached from the rear plate 41c, and the front end of the shelf plate 3 is now rotated downward while sliding the shaft portion 33 forward in the shaft hole 42a. In this case, the shelf plate 3 can be folded in parallel with the support column 21 with the tip thereof directed vertically downward and stored in the gap between the support columns 21 and 21.
In this state, as shown in FIG. 12, the protrusion 43 provided on the rear plate 41 c of the bearing 4 engages with the engagement piece 31 c of the shelf plate 3, and the shelf plate 3 is stored between the support columns 21 and 21. It is fixed so that it cannot swing at the position. When the shelf board 3 is used again, if the shelf board 3 is rotated forward, the engagement between the projection 43 and the engagement piece 31c is released, and the shelf board 3 is supported substantially horizontally as described above. Can do.

13 to 18 show a luggage rack according to another embodiment of the present invention.
FIG. 13 shows a mode in which the luggage rack 1 of the present embodiment is installed in the luggage compartment BR of the luggage transport vehicle T. As shown in the figure, the luggage shelf 1 extends along the left and right inner walls of the luggage compartment BR. The rear end of both sides of the shelf board 3 is rotatably mounted between the upright support columns 21 and 21, and the shelf board 3 can be projected substantially horizontally in front of the support column 21 during use so that luggage can be loaded. The shelf board 3 is sometimes tilted and stored between the columns 21 and 21.

  More specifically, as shown in FIG. 13, a total of five support columns 21 are erected from the floor surface to the ceiling on the left and right inner wall surfaces of the luggage compartment BR at predetermined intervals. A plurality of bearings 4 shown in FIG. 16, which will be described later, are attached to the side surfaces of the respective columns 21 in a plurality of upper and lower stages at predetermined intervals, and by appropriately selecting the bearings 4 that support the shelf board 3, a shelf board is selected. 3 is provided so that the support position can be set to a desired height.

As shown in FIG. 14, the shelf board 3 is configured in the same manner as the above-described form, and is attached to the upper portion of the frame portion 31 formed by fixing the connecting rod 312 to the opposite side surface of the outer frame 311 bent in a substantially U shape. A receiving portion 32 formed by assembling steel materials in a lattice shape is welded and fixed, and is formed so that a load can be placed on the receiving portion 32 and supported, and formed on the side surfaces of both ends of the frame portion 31. A shaft portion 33 having a flange 33a at the tip is inserted into the through hole 311a, and the flange 33a is integrally fixed to the outside of the frame portion 31 by welding at a position where it protrudes horizontally by an appropriate width.
As shown in FIG. 15, the shelf board 3 is formed by providing the rear end surfaces 31 a of both ends of the frame portion 31 in an inclined surface shape in which the lower edge of the rear end surface protrudes rearward from the upper edge. In addition, a thin long hole portion 31b is provided at the center of the rear end upper surface of the frame portion 31 to which the rear end surface 31a is continuous, and an engagement hole portion 31e is provided in both rear end surfaces of the frame portion 31. Further, cylindrical protrusions 34 and 34 are integrally provided on both sides of the frame portion 31.

  In the same manner as in the above-described embodiment, the bearing 4 has a support 41, to which a bearing plate 42 having a shaft hole 42a fixed in a frame surface 41a, is fixed to the rear plate of the column 21, and is spaced from the side surface of the column 21 at an appropriate interval. As shown in FIG. 14, the shaft hole 42a of the bearing plate 42 is formed by obliquely notching from the front upper edge of the bearing plate 42 to the lower rear. The shaft portion 33 engaged with the shaft hole 42a is rotatably supported, and is slidable along the shaft hole 42a. In addition, a protrusion 43 protruding downward is integrally provided on the lower surface of the upper bent portion 41c of the rear plate 41b provided behind the bearing plate 42, and a protrusion 44 protruding forward is also provided in the surface of the rear plate 41b. is there.

  Further, elastic stoppers 21 a that hold the projections 34 on both sides of the shelf board 3 are attached to the side surfaces of the support column 21. The stopper 21a is for holding the shelf board 3 in the position where the shelf board 3 is pushed down when the projection 34 is press-fitted when the front end side of the shelf board 3 is tilted vertically downward.

The luggage shelf 1 of this embodiment configured in this manner has the shelf 3 placed horizontally in front of the bearings 4, 4 of the columns 21, 21, and the shaft portions 33, 33 on both sides of the shelf 3 are connected to the bearing plate 42. 42, the shelf board 3 is attached to the inner surface of the columns 21, 21, and the shelf board 3 engages the shaft portion 33 in the shaft holes 42a, 42a. While being inserted, the tip end side is supported so as to be able to rotate up and down with the shaft portion 33 as a fulcrum.
When placing a load on the shelf board 3, if the front end side of the shelf board 3 is pushed up to a position where the shelf board 3 is substantially horizontal, the shaft portion 33 of the shelf board 3 slides downward along the shaft hole 42a. As shown in FIG. 18, the rear end surface 31a of the inclined surface of the shelf plate 3 abuts on the rear plate 41b of the bearing 4 and is provided on the rear plate 41b. The projections 43 and 44 are engaged with the long hole portion 31b and the engagement hole portion 31e of the shelf plate 3, respectively, so that the shelf plate 3 is not detached from the bearing plate 42, and its tip is placed in front of the column 21. It is made to protrude and is fixed substantially horizontally.
Further, when the shelf 3 is not used, the rear end surface 31a of the shelf 3 can be obtained by slightly lifting the tip of the shelf 3 upward while moving the shaft 33 forward along the shaft hole 42a from the fixed position. Is removed from the rear plate 41b, and if the tip of the shelf 3 is rotated downward while the shaft 33 is slid to the front side in the shaft hole 42a, the shelf 3 is directed to the column 21 with the tip directed vertically downward. Folded in parallel and stored in the gap between the two columns 21, 21. At this time, the protrusions 34, 34 provided on both sides of the shelf board 3 are press-fitted into the stoppers 21 a provided on the support column 21 (see broken line arrows in FIG. 18), and the shelf board 3 is stored between the support columns 21, 21. The position can be fixed so that it cannot swing.

19 to 26 show a step board according to an embodiment to which the plate material support mechanism of the present invention is applied.
As shown in FIG. 19, the platform 6 of this embodiment includes columns 71, 71 that are supported at appropriate heights, a platform 7 that is supported in the vertical direction, platforms 8 </ b> A, 8 </ b> B that are supported on both sides by the columns 71, 71, 71, 71, and a bearing 9 that rotatably supports the rear ends of both side portions of the tread plates 8A, 8B. The tread plates 8A, 8B project horizontally when in use, and the tread plate 8A when not in use. , 8B can be tilted and stored between the columns 71, 71.

  As shown in FIGS. 19 and 22, the pedestal 7 is integrally formed with legs 72 and 72 on both sides of a base portion 71a made of an L-shaped angle member protruding left and right of support columns 71 and 71 having appropriate heights. Concatenated. A support rod 73 is integrally connected between the support columns 71 and 71 and the leg portions 72 and 72. Further, both leg portions 72, 72 are pivotally supported by a long hole 71b formed in the base portion 71a of the column 71, and are provided so as to be folded in parallel with the column 71 by rotating the connecting portion about the axis (FIG. 25). reference). The pedestal 7 is made of a steel pipe having a rectangular cross section and is formed so as not to fall down even if an operator is placed on the treads 8A and 8B supported by the columns 71 and 71. Further, bearings 9 to be described later are integrally attached to opposite positions of the intermediate portion and the upper end portion of the inner side surfaces of the columns 71 and 71, respectively.

As shown in FIG. 20, the tread plate 8 </ b> A has the connection rod 82 fixed to the opposite end portion of the outer frame 81 bent in a substantially U shape, and the intermediate portion between the outer frame 81 and the connection rod 82 is fixed by the connection rod 83. Thus, the legs can be placed on the outer frame 81 and the connecting rod 83.
More specifically, as shown in FIG. 21 and FIG. 21, the tread plate 8A has a through hole 81a formed at the rear end of both sides of the outer frame 81, and a shaft portion having a flange 84a at the front end of the through hole 81a. 84 is provided so that it can be inserted and fixed together. A narrow slot 81b is provided in the center of the rear end upper surface of the outer frame 81 of the tread plate 8A, and an engagement hole 81d is also provided in the rear end surface 81c of the outer frame 81 (see FIG. 24). The footboard 8B is formed in the same manner as described above, although the formation size is different from that of the footboard 8A.

The bearings 9 are respectively attached to the opposed inner side surfaces of the intermediate portion and upper end portion of the support columns 71, 71. As shown in FIGS. 22 and 23, a shaft hole 92a is formed in a frame surface 91a bent in an L shape. A support 91 having a bearing plate 92 fixed thereto is fixed to the side of the column 71, and the bearing plate 92 is disposed in parallel with the side surface of the column 71 with an appropriate interval. The bearing 9 fixed to the intermediate portion supports the tread plate 8A, and the bearing 9 fixed to the upper end portion supports the tread plate 8B.
More specifically, the shaft hole 92a of the bearing plate 92 has a width that allows the shaft portion shaft portion 84 of the tread plates 8A and 8B to be substantially fully engaged, and extends from the front upper portion to the rear lower portion in the bearing plate 92. Is formed in such a manner that the shaft portion 84 engaged with the shaft hole 92a is rotatably supported and can be slid along the shaft hole 92a.
Further, a rear surface plate 91b extending in the vertical direction of the support 91 is fixed to the side of the bearing plate 92, and a bent portion 91c bent forward is provided on the upper portion of the rear surface plate 91b. A protrusion 93 protruding downward is integrally provided on the lower surface of the bent portion 91c, and a protrusion 94 protruding forward is also provided integrally on the rear surface plate 91b.

The step 6 of this embodiment made of these members has a rear end portion of the step plates 8A and 8B placed between the bearings 9 and 9 attached to the columns 71 and 71, and the shaft portion 84 is connected to the shaft hole 92a of the bearing plate 92. Is inserted into the through-hole 81a of the outer frame 81, and is welded and integrated with the outer frame 81, and the tread plates 8A and 8B are attached to the bearings 9 and 9.
The tread 6 of this embodiment configured in this way is rotated up and down with the treads 8A and 8B having the shaft 84 engaged in the shaft holes 92a and 92a, with the shaft 83 serving as a fulcrum. If the front ends of the footboards 8A and 8B are pushed up to a substantially horizontal position, the shaft portion 84 slides downward along the shaft hole 92a and is positioned at the lowermost end portion of the shaft hole 92a. Then, as shown in FIG. 24, the rear end surfaces 81c of the tread plates 8A and 8B abut against the rear surface plate 91b of the bearing 9 at such positions, and the projections 93 and 94 provided on the rear surface plate 91b are formed on the tread plates 8A and 8B. In order to engage with the long hole portion 81b and the engaging hole portion 81d, the tread plates 8A and 8B are fixed horizontally with their tips protruding to the side of the column 71.
Further, if the tips of the footboards 8A and 8B are slightly lifted upward while moving the shaft portion 84 forward from the fixed position along the shaft hole 92a, the rear end surface 81c of the footboards 8A and 8B is detached from the rear surface plate 91b. If the tips of the footboards 8A and 8B are rotated downward while sliding the shaft portion 84 to the front side in the shaft hole 92a, the footboards 8A and 8B are folded in parallel with the column 71 with their tips vertically downward, It can be accommodated between the two columns 71, 71.
Furthermore, by rotating the legs 72, 72 of the base 7 around the support 71, the step 6 can be stored compactly as shown in FIG. At this time, as shown in FIG. 26, the step 6 is folded by engaging the protrusions 71 c provided on the side surface of the support column 71 with the holes 73 a having different widths formed on the surface of the leg 73. It is possible to keep it in

  The illustrated plate material support mechanism and the form of the luggage rack and the platform using the same are merely examples, and the present invention is not limited to the illustrated form, and may be configured in other appropriate forms. The luggage rack of the present invention can be used by being installed in an appropriate place indoors or outdoors, in addition to being installed in a luggage compartment of a luggage transport vehicle.

It is a side part appearance figure of a luggage shelf of one embodiment of the present invention. It is sectional drawing in alignment with the II-II line in the front view and the same figure of a base. It is a figure for demonstrating the attachment or detachment structure of the leg part of a base of FIG. 2, and a support | pillar. It is the top view, front view, and side view of a shelf board. It is an expanded sectional view of the both-sides rear end part of the shelf board of FIG. It is sectional drawing along the CC line in the rear-end part enlarged side view (A) of the shelf board of FIG. 4, the part partial fracture | rupture top view (B), and a figure (A). It is the top view of the bearing attached to the support | pillar, a front view, and a side view. It is a principal part fracture | rupture enlarged plan view of the state which engaged the axial part of the shelf in the bearing of the support | pillar. It is the figure which showed the state in which the axial part was located in the rear-end part of the axial hole. It is the figure which showed the state which supported the shelf board substantially horizontally with the bearing from the side surface of the bearing. It is the figure which showed the state which falls a shelf board below from the side surface of the bearing. It is the figure which showed the state which accommodated the shelf board between the support | pillars from the side surface of the bearing. It is the side internal structure figure and back internal structure figure of the state which installed the luggage shelf of other embodiment of this invention in the luggage compartment of the luggage carrier vehicle. It is the top view, front view, and side view of the shelf board of FIG. It is a rear-end part enlarged side view of FIG. It is a side view of the bearing of FIG. It is the figure which showed the structure of the stopper attached to a support | pillar. It is an enlarged view for demonstrating operation | movement of the shelf board of FIG. It is the front view and side view of a step in other embodiment of this invention. It is the top view of a tread board, a front view, and a side view. It is sectional drawing along the BB line in the rear-end part enlarged plan view (A) and figure (A) of the footboard of FIG. It is the cross-sectional external view seen from the inner side of the support | pillar which comprises a step. It is the top view and side view of the bearing attached to the support | pillar. It is the principal part fracture | rupture expansion of the state which engaged the shaft part of the tread board in the bearing of the support | pillar, and was fixed horizontally. It is a side view of the state which folded the tread board and leg part of the step stool. It is a figure for demonstrating the structure which fixes a leg part to a support | pillar.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Luggage shelf, 2 base, 21 support | pillar, 22 leg part, 3 shelf board, 31 frame part, 31a rear end surface, 31b long hole part, 31c engagement piece, 31e protrusion, 32 receiving part, 33 shaft part, 33a flange 4 bearings, 41 support, 41a frame surface, 41b rear plate, 41c bent portion, 42 bearing plate, 42a shaft hole, 43 protrusion, 5 fixing tool, 6 step platform, 7 base, 71 strut, 72 leg, 8A, 8B Footboard, 9 bearings

Claims (9)

In the plate material support mechanism that rotatably supports the shaft portion protruded from the outer side surfaces of the rear end of the plate material and supports the plate material so that the plate material can be tilted up and down with the bearings attached to the opposite inner side surfaces of the columns arranged in parallel.
The bearing is composed of a bearing plate having a shaft hole into which a shaft portion of the plate material is engaged, and a rear plate fixed in a vertical direction behind the bearing plate, and the shaft hole of the bearing plate is formed on the bearing plate. Inclined from the front upper part to the rear lower part,
With the shaft portion of the plate member engaged with the shaft hole of the bearing plate positioned at the lowermost end portion in the shaft hole, the plate material projects forward at its front end and the rear end surface contacts the rear plate of the bearing plate. A plate material support mechanism configured to be in contact with and supported. In a luggage shelf that is mounted on the opposite inner side surfaces of the support columns arranged in parallel and supports the shaft portions that are protruded from the outer surfaces of the rear ends of the shelf plates, and the shelf plates are attached to the support columns.
The bearing includes a bearing plate having a shaft hole into which a shaft portion of the shelf plate is engaged, and a rear plate fixed in a vertical direction at the rear of the bearing plate, and the bearing hole of the bearing plate is the bearing. Formed by cutting diagonally from the front edge of the plate to the lower rear,
The rear end surface of the shelf plate is provided in an inclined surface shape whose lower edge protrudes rearward from the upper edge,
And, the upper part of the rear plate of the bearing is bent forward, a protrusion protruding downward is provided on the lower surface of the bent portion, and a long hole portion is provided on the upper surface of the rear end of both sides of the shelf plate,
A luggage shelf characterized in that the projection is engaged with the elongated hole portion in a state where the rear end surface of the shelf plate in which the shaft portion is engaged in the shaft hole is joined to the rear surface plate of the bearing. .   Instead of a shaft hole formed by obliquely notching from the front edge of the bearing plate to the lower rear, a shaft hole of the bearing plate is formed by obliquely notching from the front upper end edge of the bearing plate to the lower rear. Item 2. A luggage shelf according to item 2. Protrusions projecting forward are provided on the rear plate of the bearing, engaging holes are provided in the rear end surfaces of both side portions of the shelf plate, and the rear end surface of the shelf plate in which the shaft portion is engaged in the shaft hole is used as the rear plate of the bearing. The luggage shelf according to claim 2 or 3 , wherein the protrusion is configured to engage with the engagement hole in a joined state . The protrusions are provided in the state that the engaging pieces are provided on the rear lower surfaces of the both sides of the shelf, the tip of the shelf is rotated downward with the shaft portion engaged in the shaft hole as a fulcrum, and the shelf is tilted in parallel with the column. The luggage shelf according to any one of claims 2 to 4 , wherein the engagement piece is configured to be engaged with the luggage shelf. The luggage shelf according to any one of claims 2 to 5, wherein a thin protrusion having an appropriate length is provided along the front end and the left and right side ends of the upper surface of the frame portion of the shelf board . 7. The bearing according to claim 2, wherein a bearing is attached to an opposite inner surface of the housing having a gap of a width in which a shelf can be inserted instead of the support columns arranged in parallel, and the shelf is supported by both bearings. Luggage shelf described in Crab. The luggage shelf according to any one of claims 2 to 7, which is installed in a luggage compartment of a luggage transport vehicle . Instead of the plate material of the plate material support mechanism according to claim 1, a step stool configured to rotatably support a tread plate by a shaft portion of a bearing attached to a support column.

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