JP5804754B2 - Wheelbarrow with storage container - Google Patents

Description

  The present invention relates to a handcart such as a stroller in which a box-shaped storage container is provided below a loading portion of a vehicle body.

  As a kind of wheelbarrow, a seat part as a loading part is installed in a frame-structured car body, and a box-shaped storage container for a user to store luggage such as personal belongings is arranged in the space below the seat part A baby stroller is known (for example, see Patent Document 1). There is also known a baby stroller provided with a car support mechanism for placing a shopping basket below the seat portion (see, for example, Patent Document 2).

JP 2007-210533 A JP 2005-162047 A

  A conventional storage container for a stroller has a box-like structure in which the periphery of the bottom is surrounded by a front wall, a pair of side walls, and a rear wall. Therefore, it is difficult to put a bulky article such as a shopping basket into and out of the storage container through a limited gap between the seat portion and the upper edge of the storage container. On the other hand, in an example in which a shopping cart support mechanism is provided, an article cannot be stored under the seat portion without a storage container such as a shopping cart.

  Therefore, the present invention is able to hold a relatively bulky article such as a shopping basket under the loading section while ensuring the original function of storing the article in the storage container below the loading section. The purpose is to provide a car.

The present invention provides a storage container (11, 11A to 11H) in which the periphery of the bottom (12) is surrounded by a front wall (13), a pair of side walls (14) and a rear wall (15) and opens upward. A handcart provided below a loading portion of a vehicle body, and at least a part of the wheelbarrow can be folded along the height direction from the upper edge of the rear wall so as to reduce the height of the rear wall. The rear wall is foldable so as to overlap the bottom with the lower edge of the boundary with the bottom as a fold line (15c) .

According to the present invention, when the rear wall is not folded, the bottom can be surrounded by the front wall, the side wall, and the rear wall, the depth of the storage container can be secured, and the article can be securely stored therein. On the other hand, by folding at least part of the rear wall and reducing its height, the opening of the storage container when viewed from the rear of the vehicle body is expanded, and the original state, that is, the state where the entire rear wall is erected Thus, even a relatively bulky article that is difficult to put in and out can be easily mounted on the storage container. In addition, the rear wall can be folded over its entire height to open the storage container so that it is convenient to put in and take out articles. By superimposing the rear wall on the bottom, the rear wall itself can function substantially as a part of the bottom of the storage container, and an article can be mounted thereon.

  Step-reducing means (20; 30; 33; 38; 39, 39) that fills at least part of the step generated between the upper edge of the rear wall and the bottom when the rear wall is folded to overlap the bottom. 40; 41; 42) may be provided at the bottom. By providing the level difference reducing means, it is possible to reduce the risk of the article being caught on the level difference between the folded rear wall and the bottom, thereby enabling the article to be taken out smoothly.

  A bottom belt (20) is attached to a region (A1) of the bottom that does not overlap the rear wall, and a folded portion (20b) is formed downward at the rear end of the bottom belt, The folded portion may be fixed to the bottom portion so as to be continuous with the upper edge portion of the folded rear wall so as to function as the step reducing means. In this case, by taking out the article along the bottom side belt, it is possible to reduce the possibility of the article being caught by the step.

  The front end portion (20a) of the bottom belt may be fixed to the front wall in a state of being folded along the front wall. According to this, since the front end portion of the bottom side belt is located above the bottom portion, it is possible to reduce the possibility that articles are caught on the front end portion.

  A rear wall belt (21) is attached to the outer surface side of the rear wall, and an end portion (21a) of the rear wall side belt extends around the upper edge of the rear wall and extends to the inner surface side of the rear wall. The rear wall side belt may be arranged such that the end of the rear wall side belt is continuous with the folded portion of the bottom side belt when the rear wall is folded. According to this, since the folding | returning part of a bottom side belt and the upper end part of a rear wall side belt are made continuous, articles | goods can be smoothly taken in / out along those belts.

  In the case where the rear wall can be folded until it overlaps with the bottom, rear wall restraining means (20, 21; 31A, 31B; 33; 34, 36, 37) that restrains the rear wall in a folded state until it overlaps with the bottom. 38) may be further provided. According to this, when taking out the article, it is possible to remove the article smoothly by eliminating the possibility that the article is caught on the upper edge of the rear wall and the rear wall is lifted.

  Further, each of the pair of side walls is flexible so as to be continuous with the rear wall and deformable so as to be folded along a predetermined folding line (L) inside the storage container when the rear wall is folded. A sex wall (14c) may be provided. According to this, when the rear wall is folded, the flexible wall portion is folded back inside the storage container along the folding line. In the state where the rear wall is raised, the rear wall and the side wall are continuous, and the integrity and continuity as the wall surface can be ensured.

  In the case where the vehicle body is provided with a rear leg (4) and the storage container is attached to the vehicle body with the rear wall protruding rearward beyond the rear leg of the vehicle body, the flexibility The upper end position (P) of the fold line of the wall portion may be substantially matched with the rear leg when the vehicle body is viewed from the side. According to this, when the rear wall is folded, substantially the entire portion protruding rearward from the rear leg of the storage container is retracted into the storage container, thereby obtaining a large opening. On the other hand, when the rear wall is erected, a sufficient opening is formed upward behind the rear leg, which is advantageous for putting in and out the article.

  In one form of the invention, the handcart may be a stroller. In this case, the stacking portion may be a seat portion (9) attached to the vehicle body, and the storage container may be provided so as to be suspended below the seat portion. According to this, the effect of the present invention can be exhibited with respect to the stroller storage container, and the usability of the stroller can be enhanced.

  In addition, in the above description, in order to make an understanding of this invention easy, the reference sign of the accompanying drawing was attached in parenthesis, but this invention is not limited to the form of illustration by it.

  As described above, according to the present invention, at least a part of the region can be folded along the height direction from the upper edge of the rear wall of the storage container so that the height of the rear wall is reduced. Therefore, in a state where the rear wall is not folded, the depth of the storage container can be secured and the article can be securely stored therein. On the other hand, by folding at least a part of the rear wall to reduce its height, a bulky article that is difficult to put in and out in the original state can be mounted on the storage container. Thereby, the usability of the storage container can be improved.

The side view of the stroller which concerns on one form of this invention. The perspective view in the time of normal use of the box provided under the sheet | seat part. The vertical sectional view along the front-back direction of a box. The perspective view which shows the state folded until the rear wall of the box overlapped with the baseplate. The vertical sectional view along the front-back direction of the box when the rear wall is folded. The perspective view which shows the state which mounted | wore the shopping cart in the box. The perspective view which shows the form which added the flap to the rear wall of the box. The vertical sectional view along the front-back direction at the time of normal use of the box of FIG. The vertical sectional view which shows a mode that the rear wall was folded from the state of FIG. The perspective view which shows the form which added the connection tool to the rear wall and bottom plate of the box. FIG. 11 is a vertical sectional view along the front-rear direction during normal use of the box of FIG. 10. The vertical sectional view which shows a mode that the rear wall was folded from the state of FIG. The perspective view which shows the form which added the collar part to the rear wall of the box, and added the flap to the baseplate. FIG. 14 is a vertical cross-sectional view along the front-rear direction during normal use of the box of FIG. 13. The vertical sectional view which shows a mode that the rear wall was folded from the state of FIG. The perspective view which shows the form which added the code | cord | chord etc. for falling down a box. FIG. 17 is a vertical cross-sectional view along the front-rear direction during normal use of the box of FIG. 16. The vertical sectional view which shows a mode that the rear wall was folded from the state of FIG. The perspective view which shows the form which added the detachable flooring board on the bottom board of a box. The vertical sectional view along the front-back direction at the time of normal use of the box of FIG. The vertical sectional view which shows a mode that the rear wall was folded from the state of FIG. The perspective view which shows the form which added the core material on the baseplate of a box. FIG. 23 is a vertical cross-sectional view along the front-rear direction during normal use of the box of FIG. FIG. 24 is a vertical sectional view showing a state in which the rear wall is folded from the state of FIG. 23. The perspective view which shows the form which provided the thick part in a part on the baseplate of a box. FIG. 26 is a vertical cross-sectional view along the front-rear direction during normal use of the box of FIG. 25. FIG. 27 is a vertical sectional view showing a state in which the rear wall is folded from the state of FIG. The perspective view which shows the form which provided the slope in the upper edge part of the rear wall of a box. FIG. 29 is a vertical cross-sectional view along the front-rear direction when the box of FIG. 28 is in normal use. The vertical sectional view which shows a mode that the rear wall was folded from the state of FIG.

  FIG. 1 shows the overall configuration of a stroller as a kind of handcart according to one embodiment of the present invention. The stroller 1 has a vehicle body 2 having a frame structure. The vehicle body 2 includes a pair of left and right front legs 3 and a pair of left and right rear legs 4. The front leg 3 and the rear leg 4 on one side of the vehicle body 2 are joined to the armrest 5 at their upper ends. Wheels 6 are attached to lower ends of the front legs 3 and the rear legs 4. The vehicle body 2 is further provided with a hand frame 7. The hand frame 7 is rotatably connected to each of the front leg 3, the rear leg 4 and the armrest 5. The upper end of the hand push frame 7 protrudes obliquely rearward of the vehicle body 2, and a handle portion 7 a for hand push by the user is provided there. A guard frame 8 is attached to the front end of the armrest 5. A seat portion (stacking portion) 9 for mounting an infant is attached to the vehicle body 2. The seat portion 9 has a configuration in which an interior material such as urethane is covered with a cover made of cloth or the like. A shade portion 10 is provided above the seat portion 9. On the other hand, a box 11 as a storage container is attached below the seat portion 9. In addition, although the vehicle body 2 has a foldable structure, the description will be continued on the premise of the state in use.

  FIG. 2 is a diagram showing a state in which the box 11 is viewed obliquely from above, and FIG. 3 is a vertical sectional view of the box 11 along the front-rear direction of the stroller 1. As apparent from these drawings, the box 11 is a basket in which the periphery of a substantially rectangular bottom plate (bottom) 12 is surrounded by a front wall 13, a pair of side walls 14 and a rear wall 15 and opens upward. It has a shape-like structure. The bottom plate 12 has a configuration in which a core 12a for maintaining a flat shape is covered with a sheet 12b using a flexible material such as a resin film. The flexible material only needs to be a material that can be bent, and includes a mesh sheet in addition to the resin film. The same applies to the following.

  The front wall 13 has a core material omitted, and is formed in a sheet shape using a flexible material such as a resin film. A reinforcing portion 13a is provided on the upper edge portion of the front wall 13 over its entire length. The reinforcing portion 13a may be formed by inserting a core material such as a frame into the sheet, or may be formed by folding and sewing a material sheet of the front wall 13 together. The front wall 13 may be integrally formed with the sheet 12 b of the bottom plate 12 and a single flexible material, or may be joined to the front edge portion of the bottom plate 12. As a joining method, various methods such as adhesion, welding, and stitching may be appropriately employed. The front wall 13 only needs to have at least an rigidity at the upper edge so that the opening shape of the box 11 can be maintained in a state where the front wall 13 is suspended from the vehicle body 2. The reinforcing portion 13a is provided to ensure the rigidity thereof, but a core member may be provided inside the front wall 13 so that the entire front wall 13 has the rigidity necessary for shape retention. In this case, it is not necessary to provide the reinforcing portion 13 a so as to overlap the upper edge portion of the front wall 13.

  As with the front wall 13, the side wall 14 has a core material omitted, and is formed in a sheet shape using a flexible material such as a resin film. Each side wall 14 is joined to the sheet 12 b and the front wall 13 of the bottom plate 12. As a joining method, various methods such as adhesion, welding, and stitching are appropriately employed. A reinforcing portion 14 a is also provided at the upper edge portion of the side wall 14. The front end portion of the reinforcing portion 14 a is integrally joined with the left and right end portions of the reinforcing portion 13 a of the front wall 13. On the other hand, the rear end portion of the reinforcing portion 14a is set at a position P that substantially overlaps the rear leg 4 when the vehicle body 2 is viewed from the side. In other words, the rear end portion of the reinforcing portion 14 a is located at a position somewhat further forward of the vehicle body 2 than the rear end portion of the side wall 14. The reinforcement part 14a is connected with the hand pushing frame 7 of the vehicle body 2 via the connection band 16 (refer FIG. 1). Accordingly, the box 11 is attached to the vehicle body 2 so as to be suspended below the seat portion 9. As is apparent from FIG. 2, when the box 11 is suspended from the vehicle body 2, the bottom plate 12 is substantially at the same height as the connecting rod 17 connecting the lower ends of the rear legs 4 or higher than the connecting rod 17. is there. At the rear of the rear end portion of the reinforcing portion 14a, another reinforcing portion may be formed on the upper edge portion of the side wall 14, or may not be formed. In the case where another reinforcing portion is provided, the rigidity of the reinforcing portion is limited to the extent that it can be folded inside the box 11 with respect to the reinforcing portion 14a with the position P as a boundary.

  Since the reinforcing portion 14a is not extended to the rear wall 15 and is interrupted at the position P, the side wall 14 has a position P in the middle of its upper edge and a corner on the rear side of the box 11 (the lower edge of the rear wall 15). Can be divided into a first wall portion 14b and a second wall portion 14c with a virtual fold line L (see FIG. 2) as a boundary. The 2nd wall part 14c has the flexibility which can be folded inside the box 11, or a softness | flexibility, and is equivalent to the flexible wall part of this invention. However, mild rigidity may be imparted to at least the upper edge portion of the second wall portion 14c as long as the flexibility required for the second wall portion 14c is not impaired. As shown in FIG. 4, the position of the folding line L is set so that the rear wall 15 can be folded (in other words, collapsed) until it overlaps the bottom plate 12. The first wall portion 14b only needs to have a structure at least at the upper edge so as to maintain the opening shape of the box 11 in cooperation with the front wall 13 in a state where the first wall portion 14b is suspended from the vehicle body 2. The reinforcing portion 14a is provided to ensure its rigidity. However, a core material is provided inside the first wall portion 14b, so that the entire first wall portion 14b has the rigidity necessary for maintaining the shape. Also good. In this case, it is not necessary to provide the reinforcing portion 14a so as to overlap the upper edge portion of the first wall portion 14b. The sheet constituting the side wall 14 may be formed of one flexible material over the entire side wall 14, or may be formed by joining two flexible materials at the fold line L. Good.

  The rear wall 15 has a configuration in which a core material 15a for maintaining a flat plate shape is covered with a sheet 15b using a flexible material such as a resin film. The core material 15 a of the rear wall 15 is a separate member from the core material 12 a of the bottom plate 12. The sheet 15b may be integrally formed with the sheet 12b of the bottom plate 12 and a single flexible material, or may be joined to the rear edge of the bottom plate 12. The sheet 15b of the rear wall 15 is integrated with the rear end portion of the side wall 14 at both ends in the left-right direction. The sheet 15 b of the rear wall 15 may be integrally formed with at least the second wall portion 14 c of the side wall 14 and a single flexible material, or may be joined to the side wall 14.

  As described above, the sheet 12b of the bottom plate 12 and the sheet 15b of the rear wall 15 are both made of a flexible material, the core members 12a and 15a are separated from each other, and the side wall 14 is folded back. Flexibility is imparted to the second wall portion 14c in the rear region with L as a boundary. Therefore, as shown by the arrow F in FIG. 2, the rear wall 15 can be folded inside the box 11 with respect to the bottom plate 12 with the lower edge portion being a folding line 15c.

  As shown in FIGS. 4 and 5, the rear wall 15 can be folded inside the box 11 until it overlaps the bottom plate 12. The bottom plate 12 is divided into a region A1 that does not overlap the rear wall 15 and a region A2 that overlaps (see FIG. 3). A step corresponding to the thickness of the rear wall 15 occurs between the regions A1 and A2. Therefore, a plurality of (three in the figure) belts 20 extending in the front-rear direction of the vehicle body 2 are attached to the upper surface of the bottom plate 12 at appropriate intervals in the left-right direction of the vehicle body 2. Corresponding to these belts 20, the same number of belts 21 are attached to the outer surface of the rear wall 15 (the outer surface in the standing state in FIG. 2). The belt 20 corresponds to a bottom side belt, and the belt 21 corresponds to a rear wall side belt. When the rear wall 15 is overlapped with the bottom plate 12, the belt 21 is positioned and fixed to the rear wall 15 so as to be continuous with the belt 20 of the bottom plate 12 in the front-rear direction (see FIG. 4). Each of the belts 20 and 21 is made of cloth or the like and has a certain thickness. Various fixing methods such as adhesion, stitching, and the like may be used for fixing the belts 20 and 21.

  The belt 20 of the bottom plate 12 is provided only in a region A1 that does not overlap the rear wall 15 of the bottom plate 12. The front end portion 20 a of each belt 20 is folded upward along the front wall 13 and fixed to the front wall 13. A folded portion 20b is formed at the rear end portion of each belt 20 downward. The folded portion 20b is positioned so as to substantially contact the upper end of the rear wall 15 when the rear wall 15 is tilted. On the other hand, the belt 21 is attached to the rear wall 15 so as to go around the upper end portion of the rear wall 15 and to expose a part thereof on the inner surface side of the rear wall 15. Therefore, as is clear from FIG. 5, when the rear wall 15 is overlapped with the bottom plate 12, the upper end portion 21 a of the belt 21 is hidden behind the rear wall 15 and the step between the rear wall 15 and the bottom plate 12. Is filled with the folded portion 20b.

  According to the stroller 1 described above, the box 11 is formed in a box shape in which the periphery of the bottom plate 12 is surrounded by the walls 13 to 15 by raising the rear wall 15 as shown in FIGS. The personal belongings of the user can be stored inside the box 11. On the other hand, by folding the rear wall 15 until it overlaps the bottom plate 12, the height of the rear wall 15 can be reduced to the maximum. As a result, a relatively large opening is generated in the box 11 when viewed from the rear of the vehicle body 2, and it is relatively difficult to put in and out through the opening in the original state (that is, with the rear wall 15 upright). Even bulky articles can be easily put in and out. For example, as shown in FIG. 6, a resin shopping basket SB used in a shopping center or the like can be mounted in the box 11. In that case, the folded rear wall 15 substantially functions as a part of the bottom plate 12 and does not interfere with the storage of the shopping basket SB.

  The front end 20a of the belt 20 is folded upward along the front wall 13, and a part of the step between the bottom plate 12 and the rear wall 15 when the rear wall 15 is tilted is filled with the folded portion 20b of the belt 20. In addition, the upper end portion 21a of the belt 21 of the rear wall 15 is wound and hidden under the rear wall 15. Therefore, even when the shopping basket SB is mounted, there is no possibility that the shopping basket SB is caught on the edge portions such as the end portions of the belt 20, the belt 21, and the upper end portion of the rear wall 15, and the shopping basket SB can be smoothly put in and out. . In particular, when the folded portion 20b of the belt 20 and the upper end portion 21a of the belt 21 are continuous, the shopping basket SB is taken out along the belt 20 so that the level of the shopping basket SB is increased between the rear wall 15 and the bottom plate 12. The possibility of being caught is reduced, and the shopping basket SB can be taken out smoothly. Thereby, the belt 20, more specifically, the folded portion 20b functions as a step reducing means.

  By bringing the folded portion 20b of the belt 20 and the belt 21 into contact with each other while the rear wall 15 is tilted, a frictional resistance can be generated between them. In that case, the rear wall 15 can be prevented from being lifted from the bottom plate 12. That is, the belts 20 and 21 function as rear wall restraining means that restrains the rear wall 15 in a state of overlapping the bottom plate 12. Thereby, when taking out an article | item, the possibility that the article | item will be hooked on the upper end part of the rear wall 15 and floating up can be reduced, and an article | item can be taken out smoothly. By appropriately increasing the friction coefficient of the surfaces of the belts 20 and 21, it is possible to prevent the articles from falling off when the rear wall 15 is folded.

  Since the upper end position P of the folding line L of the side wall 14 is set to a position that substantially coincides with the rear leg 4 when viewed from the side of the vehicle body 2, when the rear wall 15 is tilted toward the bottom plate 12, the box 11 Nearly the entire portion protruding rearward from the rear leg 4 is retracted into the box 11, thereby obtaining a large opening. On the other hand, in the state where the rear wall 15 is erected, the box 11 is sufficiently opened upward from the rear leg 4 so that the convenience of taking in and out the article can be improved.

  The present invention is not limited to the above-described embodiment, and appropriate modifications are possible. Hereinafter, another embodiment will be briefly described with reference to FIGS. In the following description, the structure for folding the rear wall of the storage container (box) will be mainly described, and the same reference numerals are used for portions corresponding to the components shown in FIGS. Moreover, the configuration of each embodiment will be described with reference to a perspective view of the box, a sectional view in a state where the rear wall is raised, and a sectional view in a state where the rear wall is tilted.

  In the box 11 </ b> A of FIGS. 7 to 9, a flap 30 that can be bent around the upper end of the rear wall 15 is added. The flap 30 is overlapped on the outside with the upper end of the rear wall 15 as a fold when the rear wall 15 is erected. When the rear wall 15 is tilted onto the bottom plate 12, the flap 30 is spread on the bottom plate 12 as shown by the arrow R in FIG. 9, so that the upper surface of the bottom plate 12 is almost entirely covered with the rear wall 15 and the flap 30; Thereby, the bottom surface of the box 11A when the rear wall 15 is tilted can be configured as a substantially flat surface. In the box 11A, the flap 30 functions as a step reducing means. The belts 20 and 21 described above are not necessary.

  In the box 11B of FIGS. 10-12, the upper end part of the inner surface side of the rear wall 15 and the bottom plate 12 are provided with a predetermined number of sets (two sets in the figure) of connecting tools 31A and 31B. ing. For the coupling tools 31A and 31B, known coupling tools such as hook-and-loop fasteners and snaps may be used as appropriate. According to this embodiment, as shown in FIG. 12, when the rear wall 15 is tilted, the connectors 31 </ b> A and 31 </ b> B can be connected to each other to prevent the rear wall 15 from being lifted from the bottom plate 12. Therefore, when an article such as the shopping basket SB is taken out from the box 11B, the possibility that the upper end portion of the rear wall 15 is caught by the article and floats can be reduced, and the article can be taken out smoothly. In this box 11B, the couplers 31A and 31B function as rear wall restraining means. In the box 11B, the belts 20 and 21 described above may be used in combination.

  In the box 11 </ b> C of FIGS. 13 to 15, a flange portion 32 having an increased thickness is provided at the upper end portion of the rear wall 15, and a flap 33 is provided on the bottom plate 12 correspondingly. The flap 33 is fixed to the bottom plate 12 in a state where it can be bent with its front edge 33a as an axis. According to this embodiment, when the rear wall 15 is tilted as shown in FIG. 15, the flange 32 at the upper end is inserted into the lower side of the flap 33, thereby preventing the rear wall 15 from being lifted from the bottom plate 12. can do. Since the flap 33 into which the collar portion 32 is inserted is inclined toward the front edge portion 33a so as to draw a downward slope, the discontinuous step between the rear wall 15 and the bottom plate 12 is eliminated, and the shopping basket SB etc. The catch of articles can be suppressed. In this box 11C, the flap 33 functions as a step reducing means and a rear wall restraining means. The belts 20 and 21 described above are not necessary.

  In the box 11D shown in FIGS. 16 to 18, the cord 34 is fixed at an appropriate position (left and right ends in the illustrated example) at the upper end of the rear wall 15. The cords 34 pass through the through holes 35 formed in the bottom plate 12, are routed to the back side of the bottom plate 12, and further pass through the bundle 36 at the rear end of the bottom plate 12 and are pulled out behind the rear wall 15. It is. A cord stopper 37 is attached to the portion pulled out from the bundling tool 36. According to this embodiment, as shown in FIG. 17, the rear wall 15 is lifted by releasing the lock of the cord 34 by the cord stopper 37 and pulling the cord 34 in the direction of the arrow T from the state where the rear wall 15 is erected. It can be pushed down to the bottom plate 12 side. If the cord stopper 37 prevents the cord 34 from loosening while the rear wall 15 overlaps the bottom plate 12, the cord stopper 37 abuts against the bundling tool 36 and the rear wall 15 is prevented from lifting. Thereby, like the box 11B of FIGS. 10-12, goods can be taken out smoothly. In the box 11D, the cord 34, the bundling tool 36, and the cord stopper 37 function as a rear wall restraining means. In the box 11D, the belts 20 and 21 described above may be used in combination.

  In the box 11E of FIGS. 19 to 21, a floor plate 38 that covers almost the entire surface of the bottom plate 12 is prepared. The floor plate 38 is separate from the bottom plate 12 and can be appropriately attached to and detached from the bottom plate 12. In this embodiment, as shown in FIG. 20, when the rear wall 15 is erected, the floor plate 38 can be placed on the bottom plate 12 and stored. As shown in FIG. 21, when the rear wall 15 is tilted, the floor plate 38 is previously removed from the bottom plate 12, and after the rear wall 15 is tilted, the floor plate 38 is covered from above. As a result, all the steps between the rear wall 15 and the bottom plate 12 when the rear wall 15 is tilted are covered and constrained so that the rear wall 15 overlaps the bottom plate 12, and the bottom surface of the box 11E is substantially flat. Can be configured. Therefore, articles such as the shopping basket SB can be smoothly taken in and out. In the box 11E, the floor plate 38 functions as a step reducing means and a rear wall restraining means. The belts 20 and 21 described above are not necessary. In this example, since the bottom plate 38 provides the bottom surface of the box 11E, it is sufficient that the bottom plate 12 functions as a support means for the bottom plate 38. Therefore, an appropriate punching hole is provided on the bottom plate 12 to reduce the weight, or instead of the bottom plate 12, for example, a bottom structure of a skeleton structure is adopted, and the bottom portion may be configured by the bottom structure and the floor plate 38. .

  22 to 24, a round bar-shaped core material 39 is disposed on the bottom plate 12, a cover 40 is covered on the core material 39, and the cover 40 is joined to the bottom plate 12. The core member 39 extends over substantially the entire length of the bottom plate 12 in the left-right direction. The diameter of the core member 39 is set so that the highest part of the cover 40 covering the core member 39 has substantially the same height as the outer surface of the rear wall 15 when the rear wall 15 is tilted. Further, the attachment position of the core member 39 is set so that the cover 40 covering the core member 39 is connected to the upper edge portion of the rear wall 15 which is tilted on the bottom plate 12 with almost no gap. According to this box 11F, the discontinuous step between the rear wall 15 and the bottom plate 12 can be eliminated by the core member 39 and the cover 40, and the catch of articles such as the shopping basket SB can be suppressed. In the box 11F, the core member 39 and the cover 40 function as a step reducing means. The belts 20 and 21 described above are not necessary. The core material 39 may have a semicircular cross section. When the core member 39 can be directly joined to the bottom plate 12, the cover 40 may be omitted. The core material 39 may be mounted between the sheet 12b of the bottom plate 12 and the core material 12a.

  In the box 11 </ b> G of FIGS. 25 to 27, the entire area A <b> 1 that does not overlap the rear wall 15 of the bottom plate 12 is configured as a thick portion 41 that is thicker than the area A <b> 2 that overlaps the rear wall 15. The thickness of the thick portion 41 is adjusted so as to protrude to the extent that it is approximately equal to the thickness of the rear wall 15 as compared with the region A2 of the bottom plate 12. According to this, when the rear wall 15 is tilted as shown in FIG. 27, the thick part 41 and the rear wall 15 are connected substantially flat. Therefore, the discontinuous level difference between the rear wall 15 and the bottom plate 12 can be eliminated, and catching of articles such as the shopping basket SB can be suppressed. In this box 11G, the thick part 41 functions as a step reducing means. The belts 20 and 21 described above are not necessary. The thick portion 41 may be provided by being limited to a part of the range in the left-right direction (width direction) of the bottom plate 12, for example, similarly to the belt 20.

  In the box 11H of FIGS. 28 to 30, a slope 42 is provided on the upper edge of the rear wall 15. As shown in FIG. 30, the slope 42 is formed so as to draw a downward slope toward the upper edge of the rear wall 15 in a state where the rear wall 15 is tilted. For example, what is necessary is just to shape | mold the core material 15a so that such a slope 542 may arise. According to this example, when the rear wall 15 is tilted, the height between the bottom plate 12 and the rear wall 15 is smoothly changed by the slope 42, and a discontinuous step does not occur or even if it occurs. A simple step is enough. Therefore, the catch at the time of taking out articles, such as shopping basket SB, can be suppressed. In the box 11H, the slope 42 functions as a step reducing means. The belts 20 and 21 described above are not necessary.

  In the box 11 shown in FIGS. 1 to 6, the side wall 14 and the sheet 15b of the rear wall 15 are made continuous, and the second wall portion 14c of the side wall 14 is configured as a flexible wall portion. When folded, the second wall portion 14 c of the side wall 14 can be folded inward along the folding line L. As a result, the rear wall 15 and the side wall 14 continuously surround the bottom plate 12 in a state in which the rear wall 15 is erected, thereby ensuring the integrity and continuity as the wall surface. Such a structure of the side wall 14 can also be applied to the boxes 11A to 11H described above. However, the present invention is not limited to the form having the side wall having such a configuration. For example, the side wall 14 and the rear wall 15 may be separable, and only the rear wall 15 may be folded back toward the bottom plate 12 alone. In this case, when the rear wall 15 is erected, the rear wall 15 and the side wall 14 may be connected to each other using a hook-and-loop fastener, a snap, or other connecting means.

  In the above embodiment, the rear wall 15 can be folded to the bottom plate 12 over the entire height direction, but the present invention is not limited to such a form. For example, by making it possible to fold the region from the upper edge of the rear wall 15 to the middle along the height direction, the height of the rear wall 15 is set to a height that does not interfere with the taking in and out of the target article such as the shopping basket SB. You may make it reduce to this. In this case, since a part of the area is left standing from the lower edge of the rear wall 15, the remaining part can be used as a retaining stopper for articles such as the shopping basket SB. Further, the rear wall 15 may be configured such that a part of the rear wall 15 can be folded to the outer surface side of the rear wall 15 along the height direction from the upper edge portion. Even in the left-right direction (width direction) of the vehicle body 2, the entire width direction of the rear wall 15 does not necessarily need to be foldable as long as the rear wall 15 can be folded in a range equal to or larger than the width of the target article to be taken in and out of the box 11. .

  The present invention is not limited to strollers, and can be used as a shopping cart, a transport cart, and the like as long as the user can push it from the rear side of the vehicle body and the storage container is disposed below the loading portion of the vehicle body. It can be applied to wheelbarrows. In addition, various types of baby strollers can be used. For example, it is possible to cope with a stroller of a type in which the direction of the handle can be switched back and forth. In the present invention, the storage container only needs to have a shape in which the periphery of the bottom portion is surrounded by the front wall, the pair of side walls, and the rear wall and opens upward. The upward opening may be further detachable or storable.

1 Stroller (wheelbarrow)
2 Car body 9 Seat part (stacking part)
11, 11A, 11B, 11C, 11D, 11E, 11F, 11G, 11H Box (storage container)
12 Bottom plate (bottom)
13 Front wall 14 Side wall 14b 1st wall part 14c 2nd wall part (flexible wall part)
15 Rear wall 15c Folding line of rear wall 20 Bottom plate belt (bottom side belt, step reduction means, rear wall restraint means)
20a Front end portion of belt 20b Folded portion of belt (step reduction means)
21 Rear wall belt (rear wall side belt, rear wall restraining means)
21a Upper end of belt 30 flap (step reduction means)
31A, 31B connector (rear wall restraining means)
33 flaps (step reduction means, rear wall restraint means)
34 code (rear wall restraint)
36 Bundling tool (rear wall restraining means)
38 Cord stopper (rear wall restraining means)
38 Cover plate (step reduction means, rear wall restraint means)
39 Core material (step reduction means)
40 Cover (step reduction means)
41 Thick part (step reduction means)
42 slope (step reduction means)
A1 Area that does not overlap the rear wall of the bottom plate L Side wall fold line P Top end position of fold line SB Shopping basket

Claims (9)

A wheelbarrow having a storage container surrounded by a front wall, a pair of side walls and a rear wall and having an opening facing upward at a lower portion of the loading portion of the vehicle body, and from the upper edge of the rear wall At least a portion of the region along the height direction is foldable to reduce the height of the rear wall ;
A handcart that can be folded so that the rear wall overlaps the bottom with the lower edge of the boundary with the bottom as a fold line . Claim unevenness reducing unit that fills at least a portion of the step generated between the upper edge portion and the bottom portion of the rear wall when folded the rear wall to overlap with the bottom portion is provided on the bottom 1 Wheelbarrow as described in A bottom belt is attached to a region of the bottom portion that does not overlap the rear wall, and a folded portion is formed downward at the rear end portion of the bottom belt, and the folded portion serves as the step reducing means. The wheelbarrow according to claim 2 , wherein the wheelbarrow is fixed to the bottom portion so as to be continuous with an upper edge portion of the folded rear wall so as to function. The handcart according to claim 3 , wherein a front end portion of the bottom side belt is fixed to the front wall in a state of being folded along the front wall. A rear wall side belt is attached to the outer surface side of the rear wall, and an end portion of the rear wall side belt wraps around the upper edge of the rear wall and extends to the inner surface side of the rear wall. 5. The handcart according to claim 3 , wherein the rear wall side belt is arranged so that the end portion of the rear wall side belt is continuous with the folded portion of the bottom side belt when folded. The handcart according to any one of claims 1 to 5 , further comprising rear wall restraining means for restraining the rear wall in a folded state until it overlaps the bottom portion. Each of the pair of side walls is provided with a flexible wall portion that is continuous with the rear wall and is deformable so as to be folded along a predetermined folding line inside the storage container when the rear wall is folded. The handcart as described in any one of Claims 1-6 . The vehicle body is provided with a rear leg, and the storage container is attached to the vehicle body so that the rear wall protrudes rearward beyond the rear leg, and the upper end position of the folding line of the flexible wall portion The wheelbarrow according to claim 7 , which substantially coincides with the rear leg when the vehicle body is viewed from the side. Wherein a buggy stroller, the loading unit is a seat attached to the vehicle body, the receiving container is one of claims 1-8, which is provided so as to be suspended below the seat portion The wheelbarrow according to one item.

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