JP3047959U - Folding cart - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To facilitate handling of a handle during use and storage, and to improve usability. A box unit (1) having wheels (18) on one side of a bottom plate (15) and having side walls (16, 17) configured to be foldable.
2 and a handle 13 provided on the other side of the bottom plate 15, the box portion 12 is inclined and supported by the wheels 18 by grasping and lifting the handle 31, and the box portion 12 can be pulled out as it is to pull the box portion 12 lightly. This is a folding cart 11. A handle support portion 19 for rotatably supporting the handle 13 with respect to the bottom plate 15, and a use handle fixing portion 20 for automatically fixing the handle 13 when the handle 13 is rotated to an angle for normal use. A handle-holding portion 21 for storing the handle 13 together with the handle support portion 19 by rotating the handle 13 for storage along the bottom plate 15 is provided.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 TECHNICAL FIELD The present invention relates to a folding cart that can be lightly pulled by being entirely supported by provided wheels by grasping and lifting a handle, and more particularly to a folding cart that facilitates handling of a handle during use and storage.

[0002]

[Prior art]

 In general, a folding cart includes a box 1 and a handle 2, as shown in FIG. The box part 1 mainly comprises a square bottom plate 3, four side walls 4 around the bottom plate, and wheels 5 provided on the bottom plate 3, and the four side walls 4 can be folded. I have.

[0005] The handle 2 includes a handle 2A held by the user and a pipe 2B to which the handle 2A is attached at a tip end. The proximal end of the pipe 2B is bent into a V-shape so as to fit into a handle fixing portion 6 described later. Further, a fixing projection 2D is provided at the base end of the pipe 2B so as to be able to protrude and retract by a U-shaped spring 2C.

[0004] A handle fixing portion 6 is provided below the box portion 1. The handle fixing portion 6 is formed of a cylinder having an inner diameter substantially equal to the outer diameter of the pipe 2B of the handle 2. The lower portion of the handle fixing portion 6 is provided with a fixing hole 6A for fixing the handle 2 to the box portion 1 by fitting the fixing protrusion 2D of the handle 2 thereto.

[0005]

[Problems to be solved by the invention]

 However, in the folding cart having the above-described configuration, it is necessary to push the fixing projection 2D of the handle 2 into the inside and pull out the handle 2 from the handle fixing portion 6 at the time of storage. The handle 2 is separated from the box portion 1 by being pulled out from the handle fixing portion 6. For this reason, care must be taken in storage.

Further, in use, it is necessary to insert the removed handle 2 into the handle fixing portion 6 so that the fixing projection 2D and the fixing hole 6A are aligned.

As described above, there is a problem that the processing of the handle 2 is complicated between use and storage.

The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a folding cart that facilitates handling of a handle during use and storage.

[0009]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the folding cart according to the first invention is provided with a box portion having wheels on one side of a bottom plate and an extension provided from the other side of the bottom plate, and lifting up a tip portion. A handle that is tilted and supported by the wheels and that can be pulled out as it is to pull the box lightly around, and a folding cart in which the handle is folded during storage, provided on the other side of the bottom plate; A handle support for rotatably supporting the handle with respect to the bottom plate; and a handle provided integrally with the handle support, wherein the handle is automatically fixed when the handle is turned to an angle in a normal use. And a handle fixing portion for use.

According to the above configuration, when the folding cart is not used, it is folded and stored. In this case, the handle supported by the handle support is rotated to a position along the bottom plate. Thereby, it is compactly stored as a whole.

When using a folding cart, the handle is turned to the angle at which it is normally used. The handle is automatically fixed by the handle fixing portion at the time of use when the handle is rotated to the angle at the time of normal use.

[0012] In the folding cart according to the second invention, the handle is folded, and the handle and the end of the box are provided with a foot, respectively, and the feet are stably used when stored upright. It is supported, and the handle is pivotally biased toward the box by the foot provided on the handle.

According to the above configuration, when the handle is folded upright, the whole is stably supported by the feet. Further, since the feet provided on the handle act to bias the handle toward the box, the handle is stable without fixing the handle at the time of storage.

A folding cart according to a third aspect of the present invention is a folding cart, wherein the handle is rotated at the time of storage so that the handle is fixedly supported along the bottom plate together with the handle support portion. It is characterized by being provided in.

[0015] According to the above configuration, the handle is fixedly supported by the handle at the time of storage, so that the handle is securely supported regardless of whether the handle is placed or carried for storage.

A folding cart according to a fourth invention is characterized in that the box is configured to be foldable.

[0017] With this configuration, the entire folding cart can be stored compactly by folding the handle and also folding the box.

In the folding cart according to a fifth aspect of the present invention, the use-time handle fixing portion is provided at a base end portion of a rotatably supported handle, and the handle is normally used. And an abutment fixing portion that abuts on the abutment support portion and fixes the handle when turned at an angle of time.

According to the above configuration, when the handle is rotated to an angle at the time of normal use, the contact support portion and the contact fixing portion contact each other to fix the handle.

A folding cart according to a sixth aspect of the present invention is the folding cart, wherein the use-time handle fixing portion is provided at a base end portion of the rotatably supported handle or at a handle support portion so as to be able to protrude and retract, A biasing means for biasing the locking piece in a protruding direction, and a handle supporting portion or a base end portion of the handle, wherein the handle is rotated at an angle for normal use by the biasing means. And a fitting hole in which the biased locking piece is fitted to fix the handle.

According to the above configuration, when the handle is rotated to an angle at the time of normal use, the locking piece and the fitting hole are aligned, and the locking piece urged by the urging means projects to the fitting hole. Fit. This fixes the handle.

In the folding cart according to a seventh aspect of the present invention, the storage handle fixing portion is provided by extending two locking pieces so as to sandwich the circular shaft portion of the handle from both sides thereof. The proximal end between the two locking pieces has an inner diameter that matches the outer diameter of the handle's circular shaft, and the distance between the tips of each locking piece extends to a position that is slightly smaller than the outer diameter of the handle's circular shaft. It is provided so as to be protruded, and is fitted and fixed inside by pushing the circular shaft portion of the handle between the locking pieces.

According to the above configuration, when the folding cart is stored, when the handle is pushed into the handle fixing portion at the time of storage, the circular shaft portion pushes the distal end portions of the two locking pieces and fits inside. Thereby, the handle is fitted to each other by the inner diameter matching the outer diameter of the circular shaft portion, and the handle is supported by the handle fixing portion during storage.

[0024]

[Embodiment of the invention]

 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

The folding cart 11 according to the present embodiment mainly includes a box portion 12 and a handle 13 as shown in FIGS. 1 and 3 to 7.

The box portion 12 includes a square bottom plate 15 and four side walls 16 A, 16 B, 17 A, and 17 B provided so as to rise upward around the bottom plate 15. The front and rear side walls 16A and 16B are set so that the upper and lower sides are folded in two at the center in the vertical direction. The upper ends of the left and right side walls 17A, 17B are rotatably supported by the front and rear side walls 16A, 16B. As a result, the left and right side walls 17A, 17B are pivoted inward and flipped up, and the front and rear side walls 16A, 16B are pivoted inward and folded in two, so that they can be folded small. (See FIG. 10). Reference numeral 14 in the drawing denotes a buckle for fixing the bottom plate 15 and the side walls 16 and 17.

The bottom plate 15 of the box 12 is provided with wheels 18, a handle support 19, a handle fixing part 20 for use, and a handle fixing part 21 for storage.

The wheel 18 is attached to one side (the left side in FIG. 1) of the bottom plate 15 so that the box portion 12 lifted up on the other side can be routed with a light force.

The handle support 19 is provided on the other side of the bottom plate 15. The handle support portion 19 is composed of two support trapezoidal plates 19A and 19B provided so as to face each other with the base end of the handle 13 interposed therebetween. Bolt holes 19C are provided in the support trapezoidal plates 19A and 19B, and the handle 13 is rotatably supported by through bolts 23 passed through the bolt holes 19C. When the box portion 12 is placed horizontally, the handle support portion 19 also functions as a foot portion that supports the other side while one side of the box portion 12 is supported by the wheels 18. For this reason, the lower end position of the handle support portion 19 and the lower end position of the wheel 18 are set at the same height, so that the box portion 12 is kept horizontal without the handle 13. ing.

When the handle 13 is used, the handle 13 is automatically turned when the handle 13 is turned to an angle at the time of normal use (for example, about 30 degrees from a horizontal plane with the box 12 placed horizontally). It is a device to fix. As shown in FIGS. 8 and 9, the handle fixing portion 20 includes a contact supporting portion 25 provided on a base rotating portion 33 of the handle 13 described later and a contact supporting portion provided on the handle supporting portion 19. And a contact fixing portion 26.

The contact support portion 25 is formed so as to protrude from the base end rotation portion 33 of the handle 13, and one side surface (the upper side surface in FIG. 9) of the handle 13 directly contacts the contact fixing portion 26 to handle the handle 13. 13 is a contact support surface 25A that supports and fixes the support 13.

The contact fixing part 26 is slidably attached to the base (the upper part in FIG. 9) of the handle support 19. A spring 27 is attached to one side (the right side in FIG. 9) of the contact fixing part 26, and urges the contact fixing part 26 to one side. FIG. 9 shows a state in which the abutment fixing portion 26 is pulled by the spring 27 and is located at the farthest side.

The contact fixing portion 26 includes a contact fixing surface 26A and a protrusion 26B for pulling out. The contact fixing surface 26A directly contacts the contact supporting surface 25A of the contact supporting portion 25 so as to support the contact supporting portion 25, that is, the clockwise rotation of the contact supporting portion 25 in FIG. Is to be suppressed. This clockwise rotation is a rotation in the direction in which the handle 13 is stored (see FIG. 10C).

The pull-out protrusion 26 B is a portion for the user to put his / her finger and pull the contact fixing portion 26 itself against the spring 27. By pulling the pullout projection 26B to the state of the imaginary line in FIG. 9, the handle 13 is unlocked and rotated, and can be stored on the back surface of the bottom plate 15 (see FIG. 10C). ). When the handle 13 is rotated from the stowed state to the angle at the time of normal use, first, when the contact support portion 25 contacts the contact fixing portion 26, the contact support portion 25 causes the contact fixing portion 26 to move as shown in FIG. When the handle is at the angle for normal use (the state shown by the solid line in FIG. 9) while being pushed away to the position of the imaginary line in FIG. (A position), the contact support surface 25A and the contact fixing surface 26A come into contact with each other, so that the rotation of the handle 13 in the reverse direction is suppressed. At this time, since the handle 13 has a support piece abutment surface 34A, which will be described later, abuts on the handle support piece 29 during use, forward rotation is also suppressed and the handle 13 is completely fixed.

At the base of the handle support 19, a handle support piece 29 for use is provided together with the contact fixing part 26. In use, the handle support piece 29 is formed by projecting a part of the bottom plate 15 downward. The lower handle support surface 29A at the time of use of the handle support piece 29 is brought into contact with a support piece abutment surface 34A of the handle 13 to be described later to maintain the handle 13 at an angle during normal use, and at the same time the box portion. The handle 13 is firmly supported so that the box portion 12 can be reliably supported even when a heavy object is put in the inside. Further, the handle support piece 29 at the time of use is a substrate that supports the other end of the spring 27 whose one end is supported by the contact fixing part 26. In use, the handle support piece 29 is formed at a position that does not hinder the rotation of the contact support portion 25 that rotates together with the handle 13. In use, a notch may be provided in the handle support piece 29 at a position where the contact support portion 25 rotates.

The storage handle fixing portion 21 is for folding and supporting the handle 13 when the folding cart 11 is stored and is fixed along the bottom plate 15, and is provided on one side of the bottom plate 15. As shown in FIGS. 1 and 7, the handle fixing portion 21 at the time of storage is composed of two locking pieces 21A and 21B from which the bottom plate 15 is extended. Each of the locking pieces 21A and 21B is formed so as to sandwich a pipe 32 which is a circular shaft portion of the handle 13 from both sides thereof. The base end sides of the two locking pieces 21A and 21B are formed in a circular shape, and the inner diameter is set to a size matching the outer diameter of the pipe 32. The interval between the tips of the locking pieces 21A and 21B is provided so as to extend to a position slightly smaller than the outer diameter of the pipe 32, and the pipe 32 pushes the tip of each of the locking pieces 21A and 21B to disengage each engaging piece. It fits between the stoppers 21A and 21B and is fixed.

As shown in FIGS. 1, 2 and 9, the handle 13 includes a handle 31 held by the user, a pipe 32 as a circular shaft with the handle 31 attached to the tip, and a handle 31. And a base rotation part 33 attached to the base of the pipe 32.

The base rotating portion 33 is formed in a substantially thick disk shape at the end, and has a bolt hole 33 A at the center thereof. The base rotating portion 33 is inserted between the support trapezoidal plates 19A and 19B of the handle supporting portion 19, and is inserted into the bolt hole 19C of the handle supporting portion 19 and the bolt hole 33A of the base rotating portion 33. It is rotatably supported by a through bolt 23 passed therethrough.

The base rotation part 33 is provided with a contact support part 25 above the front end side (left side in FIG. 9) and a load receiving part 34 above the base end side. ing. The load receiving portion 34 comes into contact with the handle support piece 29 at the time of use, so that even when a heavy object is put in the box portion 12, the handle 13 is securely supported by the box portion 12. I have. The upper surface of the load receiving portion 34 is a support piece contact surface 34A that directly contacts the handle support surface 29A of the handle support piece 29 during use.

Thus, the load receiving portion 34 abuts on the handle support piece 29 at the time of use in a state where the proximal rotation portion 33 of the handle 13 is supported via the through bolt 23 of the handle support portion 19. Thus, the handle 13 is firmly supported on the box portion 12 and the contact support portion 25 is in contact with the contact fixing portion 26, whereby the handle 13 is maintained at an angle with respect to the box portion 12 during normal use. It has become.

[Operation] The folding cart 11 configured as described above is used as follows.

When the folding cart is not used, it is folded and stored. This folding operation is performed as shown in FIG. First, as shown in FIG. 10A, the left and right side walls 17A and 17B are turned inward and flipped up, and the front and back side walls 16A and 16B are turned inward and folded in two. Fold it down as shown in B). Next, as shown in FIG. 10C, the box portion 12 is turned over. The fixing of the handle 13 is released by pulling the protrusion 26B of the contact fixing portion 26 toward the user, and the handle 13 is rotated as shown by the arrow in the figure. The handle 13 is rotated to a state along the bottom plate 15, and is pushed into the handle fixing portion 21 during storage to be fixed. Thereby, as shown in FIG. 11, it is folded compactly.

Next, when the folding cart 11 is used, the above operation is performed in reverse. That is, the handle 13 is detached from the handle fixing portion 21 at the time of storage, and is rotated to the normal use angle. When the handle 13 rotates to the normal use angle, the contact support portion 25 pushes the contact fixing portion 26 to fit, and the load receiving portion 34 contacts the handle support piece 29 during use. As a result, the handle 13 is automatically fixed to the box portion 12 and firmly supported.

Next, the box portion 12 is assembled by lifting the side walls 16A, 16B, 17A, 17B. Thereby, the assembly of the folding cart 11 is completed.

The assembled folding cart 11 is placed so that the box portion 12 is kept horizontal by the wheels 18 and the handle support portion 19. Then, various objects are put in the box portion 12. When carrying, the user grips the handle 31 of the handle 13 and lifts it upward. As a result, the handle support portion 19 is lifted, and the box portion 12 is maintained obliquely while being supported by the wheels 18 only.

In this state, by moving the handle 31 while holding it, the folding cart 11 can be pulled around with a small force.

[Effects] As described above, in use, the handle 13 can be easily used by simply rotating the handle 13 to the normal use angle. Further, at the time of storage, the handle 13 can be folded to the rear surface of the bottom plate 15 by simply pulling the contact fixing portion 26 of the handle fixing portion 20 at the time of use.

As a result, the handling of the handle 13 is extremely easy when the folding cart 11 is used and when it is stored, and the usability of the folding cart 11 is greatly improved.

[Modifications] (1) In the above-described embodiment, the handle fixing portion 20 during use is constituted by the contact support portion 25 and the contact fixing portion 26. However, as shown in FIG. A locking piece 41 is provided so as to be able to protrude and retract, a spring 42 as a biasing means for biasing the locking piece 41 in a protruding direction, and a handle provided on the base end rotating portion 33 of the handle 13. When the handle 13 is rotated to the normal use angle, it is aligned with the locking piece 41, and the locking piece 41 urged by the spring 42 is fitted into the fitting hole 43 for fixing the handle 13. May be. A knob (not shown) extends outward from the locking piece 41 via the support shaft 41A. By moving the knob upward in FIG. 12, the locking piece 41 can be pulled inward against the spring 42. By pulling the locking piece 41 inward, the handle 13 is unlocked and can be folded. Further, when the folded handle 13 is rotated to the angle at the time of normal use, the locking piece 41 is automatically fitted into the fitting hole 43 and the handle 13 is fixed.

According to this, the same effect as the above embodiment can be obtained.

(2) In the above-described embodiment, the handlebar 13 is folded when the folding cart 11 is housed, and the handlebar-fixing portion 21 is provided so as to be fixedly supported along the bottom plate 15. The hour handle fixing portion 21 may not be provided. In this case, as shown in FIG. 13, a foot portion 51 is provided at each of the base rotation portion 33 of the handle 13 and the end of the box portion 12. The feet 51 are provided at two places on the box part 12 and one place on the base rotating part 33 side, and are stably supported at three points. Further, the foot portion 51 provided on the base rotating portion 33 is provided so as to be located outside the through bolt 23. Thus, the box portion 12 acts so as to lean against the handle 13 by the foot portion 51 on the box portion 12 side. In addition, the handle 13 acts so as to rotate toward the box 12 around the through bolt 23 by the foot portion 51 on the base rotation portion 33 side. As a result, even if the handlebar fixing portion 21 is not provided at the time of storage, the handle 13 can be stably stored only by bending the handle 13 toward the box portion 12 and standing upright. This also makes it extremely easy to handle the handle 13 when the folding cart 11 is used and when it is stored, and the usability of the folding cart 11 is greatly improved.

[0052]

[Effect of the invention]

 As described in detail above, according to the present invention, when the folding cart is used, the handle is fixed when the handle is rotated to the normal use angle and the handle is automatically fixed when the handle is rotated. By simply turning the handle to the normal use angle, the handle can be easily used. In addition, the handle is fixed when the folding cart is stored and the handle is fixed along the bottom plate together with the handle support. The handle can be folded to the back of the bottom plate simply by pulling the part forward.

As a result, the handling of the handle becomes extremely easy when the folding cart is used and when it is stored, and the usability of the folding cart is greatly improved.

[Brief description of the drawings]

FIG. 1 is a front sectional view showing a folding cart according to the present invention.

FIG. 2 is a front sectional view showing a conventional folding cart.

FIG. 3 is a front view showing the folding cart according to the present invention.

FIG. 4 is a plan view showing the folding cart according to the present invention.

FIG. 5 is a bottom view showing the folding cart according to the present invention.

FIG. 6 is a right side view showing the folding cart according to the present invention.

FIG. 7 is a sectional view of the folding cart shown in FIG.

FIG. 8 is a perspective view of a main part of the folding cart according to the present invention, showing a handle support portion and a handle fixing portion during use.

FIG. 9 is an enlarged view of a main part of the folding cart according to the present invention, showing a handle support portion and a handle fixing portion during use.

FIG. 10 is a process diagram showing how to fold the folding cart according to the present invention.

FIG. 11 is a front view showing a state where the folding cart according to the present invention is folded.

FIG. 12 is an enlarged view of a main part showing a first modification of the folding cart according to the present invention.

FIG. 13 is a front view showing a second modification of the folding cart according to the present invention.

[Explanation of symbols]

11: Folding cart, 12: Box, 13: Handle, 15: Bottom plate, 16A, 16B, 17A, 17B: Side wall, 18: Wheel, 19: Handle support, 20: Handle fixed at use, 21: Storage Handle fixing part, 25:
Abutment support portion, 26: abutment fixing portion, 29: handle support piece in use, 31: handle, 32: pipe, 33: base end rotating portion, 34: load receiving portion.

Claims (7)

[Utility model registration claims] 1. A box portion having a wheel on one side of a bottom plate, and provided extending from the other side of the bottom plate, and the box portion is inclined and supported by the wheels by lifting a tip portion, and is pulled as it is. A handle which is provided on the other side of the bottom plate and which rotatably supports the handle with respect to the bottom plate. A folding handle which is provided integrally with the handle support portion and which fixes the handle automatically when the handle is rotated to an angle for normal use. . 2. The folding cart according to claim 1, wherein when the handle is folded, a foot is provided on each of the handle and the end of the box, and the handle is stable with the foot when stored upright. A folding cart, wherein the handle is pivotally biased toward the box by a foot provided on the handle. 3. The folding cart according to claim 1 or 2, wherein the storage handle fixing portion for rotating the handle during storage to fix and support the handle along the bottom plate together with the handle support portion is provided on the bottom plate. A folding cart provided on one side of a folding cart. 4. The folding cart according to claim 1, wherein the box portion is configured to be foldable. 5. The folding cart according to claim 1, wherein the use handle fixing portion is provided at a base end portion of a rotatably supported handle, and a contact support portion provided at a base end portion of the handle. A folding cart, comprising: a contact fixing portion for fixing the handle by contacting the contact support portion when the handle is rotated to an angle at the time of normal use. 6. The folding cart according to claim 1, wherein the use-time handle fixing portion is provided so as to be able to protrude and retract from a base end portion of the rotatably supported handle or a handle support portion. A locking piece, a biasing means for biasing the locking piece in a protruding direction, provided at a handle support portion or at a base end of the handle, where the handle is rotated to an angle for normal use. A folding cart, comprising: a fitting hole into which a locking piece urged by the urging means is fitted to fix a handle. 7. The folding cart according to claim 3, wherein the storage handle fixing portion extends two locking pieces so as to sandwich the circular shaft portion of the handle from both sides thereof. The proximal end between the two locking pieces has an inner diameter that matches the outer diameter of the circular shaft of the handle, and the distance between the distal ends of the locking pieces is smaller than the outer diameter of the circular shaft of the handle. The folding cart is provided so as to extend to a position where the handle becomes smaller, and is fitted and fixed inside by pushing a circular shaft portion of the handle between the locking pieces.