KR102166097B1 - Folding Shopping cart with removable basket - Google Patents

Abstract

The present invention relates to a foldable shopping cart which can separate a basket from a vehicle wheel frame. The shopping cart includes: a basket in which articles can be put; and a vehicle wheel frame supporting the basket and provided with casters at the lower part thereof to be able to move, wherein the basket has a rectangular floor surface and four side surfaces vertically arranged on the floor surface, and the side surface can be horizontally unfolded on the floor surface or separated to be usable as a table. Moreover, the vehicle wheel frame includes: vertical frames arranged to face each other; lower frames each of which has front wheel casters and rear wheel casters at both side end portions thereof and is arranged at the lower part of the vehicle wheel frame; support frames arranged at the upper part of the vertical frames to face the lower frames and supporting the basket; and a folding device provided between the vertical frames arranged to face each other.

Description

Folding Shopping cart with removable basket}

The present invention relates to a folding shopping cart in which the basket is detachable.

Specifically, it relates to a folding shopping cart that can be loaded or unloaded in the trunk of a vehicle by separating the basket of the cart.

In addition, it relates to a folding shopping cart that can be used as a table by deforming the side of the basket.

As vehicles become more common, it has become possible to move not only people, but also objects, luggage, and equipment easily through vehicles. However, there were difficulties in moving heavy or large objects, luggage, equipment, etc. from a specific place into a vehicle or from a vehicle to a specific place.

A shopping cart to solve this difficulty is one of a transport device that can move by loading a large amount of goods when purchasing goods at a large discount store. When purchasing a large amount of various types of goods, it helps to make shopping convenient.

Shopping carts are mainly provided in large discount stores, and a user moves around the inside of a large discount store while pushing a handle, selects an item to purchase, loads the selected item into a loading box, and pays at a cash register.

However, in the conventional shopping cart, after the settlement is completed, the calculated product is put back into the shopping cart, then the shopping cart is moved to the place where the vehicle is parked, and the product is removed from the cart and loaded into the vehicle, and the final product is driven. After moving to the vicinity of the destination, after removing the object from the vehicle again, there was an inconvenience of lifting and moving the luggage directly without a cart or moving to the final destination using a loading means such as a separate cart.

In order to solve this inconvenience, a personal folding cart has been developed and used, but the personal folding cart has a problem that it is bulky to load and place in a vehicle. In addition, when the volume is small and small, there is a problem that a lot of luggage or large items cannot be loaded.

Accordingly, there is a need for a folding shopping cart including a configuration capable of separating the basket from the wheel frame under the basket and reducing the volume of the wheel frame.

The present invention was conceived to solve the above-described problems in the related art, and the basket in which the object is loaded can be separated from the wheel frame and loaded onto the trunk of the vehicle, and the wheel frame with the basket separated can be folded laterally. Its purpose is to provide a folding shopping cart that is available.

The shopping cart of the present invention for achieving the above-described technical problem is a shopping cart including a basket that can hold objects, and a wheel frame that supports the basket and is movable by providing a caster at the bottom, wherein the basket is a square shape Has a bottom surface of and four side surfaces arranged perpendicular to the floor surface, and the four side surfaces are connected to the floor surface in a hinged or detachable manner and can be horizontally unfolded, folded, or removed from the floor surface. It is characterized in that it is usable, and the wheel frame includes: vertical frames disposed to face each other; A lower frame having front wheel casters and rear wheel casters at both ends, respectively, and disposed below the wheel frame; A support frame disposed above the vertical frame to face the lower frame and supporting the basket; A handle portion bent inwardly connected to one side of the vertical frame in a hinged manner; And a folding device provided between the opposed vertical frames to allow the wheel frame to be folded left and right.

In addition, the folding device is characterized in that two straight folding frames intersect in an X-shape, and the intersection point is hingedly coupled.

In addition, the shopping cart of the present invention is a shopping cart that includes a basket for storing items, and a simple frame that supports the basket and is movable by providing a caster, wherein the basket is a square-shaped bottom surface and perpendicular to the floor surface. It has four side surfaces arranged in such a way that the four side surfaces are hinged or detachably connected to the floor surface, and can be horizontally spread, folded or removed on the floor surface, and thus can be used as a table. The simple frame is a cross frame in which two folding frames cross in an X-shape, and an intersection point is hinge-coupled; and a folding frame provided to limit the angle at which the folding frame is spread above or below the intersection of the cross frame guide; A lower frame having casters at both end portions and disposed below the cross frame; And a support frame disposed on the vertical frame to face the lower frame and supporting the basket.

The present invention has the advantage that the basket in the state in which the object is loaded can be loaded in the trunk of the vehicle while separating the basket from the wheel frame, so that the user can easily load the basket in the trunk.

In addition, the present invention has the advantage of simplifying the volume because the wheel frame can be folded laterally.

In addition, the present invention has the advantage of using a shopping cart as a table by modifying the basket.

1 is a perspective view showing a shopping card according to a first embodiment of the present invention.
2 is a perspective view of a wheel frame of the shopping cart in a folded state according to the first embodiment of the present invention.
3 is a side view of the wheel frame of FIG. 2.
4 is a view showing a process in which a basket of a shopping cart according to the present invention is loaded onto a vehicle.
5 is a perspective view showing a shopping cart according to a second embodiment of the present invention.
6 is a front view of a wheel frame of a shopping cart in a folded state according to a second embodiment of the present invention.
7 is a view showing a state in which the wheel frame of the shopping cart is folded in a different manner according to the second embodiment of the present invention.
8 is a perspective view showing a shopping cart according to a third embodiment of the present invention.
9 is a front view of a shopping cart according to a third embodiment of the present invention.
10 is a perspective view showing a shopping cart according to a third embodiment of the present invention from the rear.
11 is a view showing a state in which the side of a basket of a shopping cart is modified and used as a table according to the present invention.
12 is a view showing a state in which the magnetic side of the basket of the shopping cart according to the present invention is attached to the floor.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, if it is determined that the subject matter of the present invention may be unclear, a detailed description thereof will be omitted. In addition, embodiments of the present invention will be described below, but the technical idea of the present invention is not limited thereto or is not limited thereto, and may be implemented by a person skilled in the art.

1 is a perspective view showing a shopping card according to a first embodiment of the present invention, FIG. 2 is a perspective view of a wheel frame of a shopping cart according to the first embodiment of the present invention in a folded state, and FIG. It is a side view of the wheel frame. In addition, FIG. 4 is a view showing a process in which a basket of a shopping cart according to the present invention is loaded into a vehicle, FIG. 5 is a perspective view showing a shopping cart according to a second embodiment of the present invention, and FIG. It is a front view of the folded state of the wheel frame of the shopping cart according to the second embodiment. In addition, FIG. 7 is a view showing a state in which the wheel frame of the shopping cart according to the second embodiment of the present invention is folded in a different manner. In addition, Figure 8 is a perspective view showing a shopping cart according to a third embodiment of the present invention, Figure 9 is a front view of a shopping cart according to the third embodiment of the present invention, Figure 10 is a third embodiment of the present invention Is a perspective view showing a shopping cart according to the rear, and FIG. 11 is a view showing a state that the side of the basket of the shopping cart according to the present invention is modified and used as a table, and FIG. 12 is a view of the basket of the shopping cart according to the present invention. It is a diagram showing the appearance of attaching the magnetic side to the floor.

Hereinafter, a preferred embodiment of the present invention will be described with reference to FIGS. 1 to 10.

1 to 3, a shopping cart 10 according to a first embodiment of the present invention is shown, the front part provided with the front casters 122, and the part provided with the rear casters 124 rearward. This will be explained.

Referring to FIG. 1, a shopping cart 10 according to a first embodiment of the present invention includes a wheel frame 100 and a basket 200.

Specifically, the basket 200 is a form having an open upper surface and a space therein so as to store objects, and the wheel frame 100 supports the basket 200 and supports the front casters 122 and the rear casters 124. It is configured to be provided and move.

The wheel frame 100 includes a vertical frame 110, a lower frame 120, a support frame 130, a folding device 140, and a handle 150.

Referring to FIG. 3, a wheel frame including a vertical frame 110, a lower frame 120 provided under the vertical frame 110, and a support frame 130 provided on the vertical frame 110 ( 100) is a c-shaped when viewed from the side. That is, the vertical frame 110 is provided perpendicular to each other at a position close to the rear of the lower frame 120 and the support frame 130. This is to put a part of the basket in the trunk of the vehicle when approaching the vehicle to load the basket into the vehicle. Specifically, a substantial portion of the lower frame 120 and the support frame 130 may be moved under the vehicle body and along the trunk floor until the vertical frame 110 contacts the bumper.

In addition, the shape of the wheel frame 100 is configured to correspond to the size of the basket 200. That is, when the shopping cart 10 is separated and loaded in the trunk of the vehicle, the wheel frame 100 can be placed so as to surround the rectangular basket 200 in a U shape.

Further, referring to FIGS. 1 and 2, a pair of vertical frames 110 made of two are disposed opposite to both sides.

A support frame 130 and a lower frame 120 are provided at the upper and lower ends of the vertical frames 110 on both sides, respectively. The support frame 130 supports the basket 200 from the upper side of the wheel frame 100, and the lower frame 120 has front wheel casters 122 and rear casters 124 at both ends to rotate the casters 122 and 124. This enables the wheel frame 100 to move.

In this case, the vertical frame 110 may include first and second connecting members 121 and 131 to be connected to the lower frame 120 and the support frame 130.

In addition, at the top of the vertical frame 110 is provided with a handle portion 150 in the form bent inward, which is provided in a hinged manner, and when the wheel frame 100 is folded, the handle portion 150 is lowered to the vertical frame. It can be stored in a horizontal direction with (110), and when in use, the handle part 150 can be raised upward and used.

In addition, a folding device 140 is provided between the two vertical frames 110 so that the wheel frame 100 can be folded left and right, and the folding device 140 includes an upper horizontal frame 142 and a lower horizontal frame 143 , And a connection frame 144.

Specifically, the horizontal frames 142 and 143 of the folding device 140 are configured such that two linear members of the same length are combined by the main hinge 145 to be foldable. And both ends of the horizontal frames 142 and 143 are connected to both vertical frames 110, respectively.

At this time, both vertical frames 110 may include first and third connecting members 121 and 141 to be connected to the horizontal frames 142 and 143.

In addition, it has two main hinges 145 at the center of the upper horizontal frame 142 and the lower horizontal frame 143, that is, a connection frame 144 connecting the upper main hinge and the lower main hinge. When the wheel frame is unfolded, the connection frame is provided perpendicular to the horizontal frame at the center between the upper horizontal frame 142 and the lower horizontal frame 143. The connection frame 144 always maintains a constant spacing between the main hinges 145 of the horizontal frames 142 and 143 so that the upper and lower horizontal frames 142 and 143 behave in the same shape when the wheel frame is unfolded or folded. do. At this time, the connection frame may be connected to the lower main hinge and the upper main hinge to move up and down.

In addition, the folding device 140 may include a folding member 146 made of two members. Specifically, the first folding member of the folding member 146 is hinged to the slot of the connection frame 144 and the other end is hinged to the upper horizontal frame 142. The second folding member is hingedly connected to the slot of the connection frame 144 and the other end is hingedly connected to the lower horizontal frame 143. Of course, in some cases, unlike the above, only the first folding member corresponding to the upper horizontal frame 142 may exist, and the second folding member may not exist.

The two foldable members 146 are arranged to be symmetrical left and right around the connection frame 144 and form a triangular shape toward the lower or upper direction. That is, the first folding member connected to the upper horizontal frame 142 may form a pointed triangular shape toward the bottom, and the second folding member connected to the lower horizontal frame 143 may form a pointed triangular shape toward the upper side.

For reference, the folding member 146 prevents distortion of the folding device when the wheel frame is unfolded or folded. In addition, depending on the setting, the member included in the folding member 146 may be formed of a spring member or a fixing member having an elastic force.

In addition, although not shown, the folding device 140 may include folding straps connected to both members of the upper horizontal frame 142, which is intended to facilitate folding by pulling the folding strap upward.

Meanwhile, referring to FIG. 2, the support frame 130 provided on the upper end of the vertical frame 110 may include a basket fixing member 132 inside. For example, the basket fixing member 132 may be provided with an arm rail concave inward.

Outside of the bottom surface of the basket 200, a wheel or caster in a shape conforming to the basket fixing member 132 may be provided as a basket fixing protrusion 232 (not shown).

Accordingly, by coupling the basket fixing protrusion 232 to the basket fixing member 132, the basket 200 is seated on the wheel frame 100. At this time, the shopping cart 10 is provided with a fixing device (not shown) for fixing the basket fixing groove 132 and the basket fixing protrusion 232 (not shown), so that the basket 200 is wheeled while using the shopping cart 10 Do not separate from the frame 100.

Meanwhile, the vertical frame 110 may be configured to allow height adjustment. For example, referring to Figs. 1 to 3, the vertical frame 110 has an exterior 112 having a space therein and an inner tube 114 inserted into the interior space of the exterior, so that the inner tube 114 is raised and fixed. It is possible to adjust the height in a way to make it.

Referring to FIG. 4, it is shown that the basket 200 is loaded in the trunk of a vehicle using the shopping cart 10 according to the present invention.

The user may adjust the height of the vertical frame 110 so that the support frame 130 is slightly higher than the bottom surface of the trunk, thereby pushing the basket 200 in a sliding manner when loading.

Specifically, the process of loading the basket 200 of the shopping cart 10 in the trunk of the vehicle is as follows.

First, the shopping cart 10 loaded with goods is moved toward the trunk of a vehicle with an open door. After that, the shopping cart 10 is pushed into the trunk and the vertical frame 110 of the shopping cart 10 and the bumper of the trunk are in close contact. At this time, since the basket 200 has a height slightly higher than that of the trunk, the basket 200 is transferred into the trunk until the vertical frame 110 contacts the bumper.

When the vertical frame 110 and the vehicle bumper come into contact with each other, a part of the front portion of the basket 200 fixed to the support frame 130 is transferred into the trunk.

At this time, the fixing device (not shown) fixing the basket 200 and the support frame 130 is released.

When the basket 200 from which the fixing device is released is pushed from the rear to the front, the basket 200 slides along the basket fixing groove 132 of the support frame 130 and is separated from the wheel frame 100 and contacts the trunk floor. After that, it slides on the floor of the trunk and is loaded onto the trunk of the vehicle.

Another basket loading method moves the shopping cart 10 toward the trunk of a vehicle with an open door. At this time, the shopping cart 10 can be located outside the rear of the trunk without being pushed into the trunk. At this time, the fixing device (not shown) may be released to separate the basket 200 from the wheel frame 100 while lifting the basket 200 upward, and the basket 200 may be directly moved to the bottom of the trunk.

Thereafter, the wheel frame 100 separated from the basket 200 is folded by rotating the handle unit 150 downward, and the folding device 140 is folded to fold the unfolded wheel frame 100 left and right.

The wheel frame 100 is folded in such a manner that the upper horizontal frame 142 is bent upward with respect to the main hinge 145 when the folding strap connected to the upper horizontal frame 142 is pulled upward. The main hinges of the upper horizontal frame 142 and the lower horizontal frame 143 are connected by a connection frame 144, so that the upper horizontal frame 142 is bent upward and the lower horizontal frame 143 is also bent upward. And folded.

That is, when the main hinge is divided into a first lower horizontal frame (143-1) and a second lower horizontal frame (143-2), the first lower horizontal frame (143-1) and the second lower The horizontal frame 143-2 may form a convex upward shape by folding the center main hinge as the center. This is the same for the first upper horizontal frame 142-1 and the second upper horizontal frame 142-2 centered on another main hinge.

At this time, the folding member 146 attached to the upper horizontal frame 142 is folded to be pointed downward, and is opposite to the folding direction of the upper horizontal frame 142. Further, the folding member 146 attached to the lower horizontal frame 143 is folded to be pointed upward, and is the same as the folding direction of the lower horizontal frame 143.

Thereafter, the folded wheel frame 100 is loaded onto the side of the basket 200 together. The separated wheel frame 100 has a U shape, and may be disposed while including the basket 200 in the U shape. That is, the inner size of the wheel frame 100 and the size of the basket 200 may be the same/similar to each other when the wheel frame 100 is folded in a “U” shape.

In addition, referring to FIG. 11, in the present invention, the shopping cart 10 can be used as a table by releasing the outer wall locking device (not shown) to open the sides of the basket 200, fold it inward, or remove unnecessary side portions. .

Specifically, the basket 200 is provided with a basket fixing protrusion 232 on the lower surface as described above, and the lower surface is preferably a rectangular shape. The lower surface and the side (4) are connected to each other by hinged or detachable. Accordingly, the side of the basket 200 may be in a state perpendicular to the lower surface, may be unfolded in a parallel state, or may be folded inward. In addition, the side surface may be detachably coupled to the lower surface.

In addition, the basket 200 includes an outer wall locking device (not shown) so that adjacent sides are connected to each other. That is, in a state in which the side surfaces are provided to be perpendicular to the bottom surface, the adjacent side surfaces are fixed to each other by the outer wall locking device.

Accordingly, as shown in FIG. 11, two sides of the basket 200 facing each other are unfolded and the other two sides are removed, so that the shopping cart can be used as a table. In addition, a magnet or an iron plate may be attached to the two sides removed as shown in FIG. 12, and a magnet or an iron plate may be attached to the bottom of the basket. This makes it possible to attach the two removed side surfaces to the bottom surface of the basket 200 using magnetism. That is, when the shopping cart is used as a table, the two sides removed can be attached to the bottom of the basket for storage. Also, if necessary, all four sides can be unfolded or folded inward to transform into a table. A shopping cart 10' according to a second embodiment of the present invention will now be described with reference to FIGS. 5 and 6.

Like the first embodiment, the shopping cart 10' includes a wheel frame 100' and a basket 200, and the wheel frame 100' is a vertical frame 110' and a lower portion of the vertical frame 110'. The lower frame 120 ′ provided in the, and the support frame 130 ′ provided on the upper part of the vertical frame 110 ′ are arranged in a shape of a U, and a handle part 150 ′ on one side of the upper end of the vertical frame 110 ′ Is provided in a hinged manner.

Specifically, the vertical frame 110 ′ may be provided to be adjustable in height, and an arm rail or the like may be provided as a basket fixing member 132 ′ on the inside of the support frame 130 ′.

As shown in FIG. 5, two vertical frames 110 ′ are provided opposite to each other and a folding device 160 is provided between them.

The vertical frame 110 ′ includes a first connection member 121 ′ to be connected to the lower frame 120 ′, a second connection member 131 ′ to be connected to the support frame 130 ′, and a folding device 160. ) Is provided with a third connection member (141') for limiting the movement downward.

Specifically, the folding device 160 may include a guide rod 163, a folding frame 162, and a guide connection part 165.

The guide rod 163 is provided inside the vertical frame 110 ′ in parallel with the vertical frame 110 ′. The guide rod 163 may be provided with two guide rods 163 on one side, respectively, as a pair (a first guide rod and a second guide rod).

The two straight folding frames 162 intersect in an X-shape, and a main hinge 161 is provided at the intersection point, and the two folding frames 162 may include a first folding frame and a second folding frame. .

Here, one side of the first folding frame may be hingedly connected to a lower end of the first guide rod, and the other side of the first folding frame may be hingedly coupled with a second guide connecting portion positioned on the second guide rod. In addition, one side of the second folding frame may be hingedly connected to a lower end of the second guide rod, and the other side of the second folding frame may be hingedly coupled with a first guide connection portion positioned on the first guide rod.

The guide connection part 165 is fixed to the upper end of the folding frame 162 in a hinged manner, and has a through hole through which the guide rod 163 can pass. Thereby, the guide connection part 165 moves up and down along the guide rod 163.

In addition, the third connecting member 141 ′ is provided with a stopper 167 protruding inward to prevent the upper end of the folding frame 162 from moving downward after the shopping cart 10 ′ is unfolded.

Accordingly, in the wheel frame 100 ′, the guide connecting portion 165 of the folding frame 162 moves upward along the guide rod 163 to be folded left and right, and at this time, in the vertical direction by the fixed main hinge 161 It becomes a long X-shape.

Meanwhile, according to another embodiment, the folding device 160 may also include a guide bar 168 as shown in FIG. 7. For reference, there may be two guide bars 168 as a folding member capable of replacing the guide rod 163 and the guide connection part 165.

For the sake of explanation, it may be assumed that a guide bar hinged on one side to the first vertical frame (left) is a first guide bar, and a guide bar hinged on one side to the second vertical frame (right) is a second guide bar. In addition, it may be assumed that one side of the first folding frame is connected to the lower end of the first vertical frame, and one side of the second folding frame is connected to the lower end of the second vertical frame.

At this time, the other side of the second guide bar connected to the second vertical frame is hinged to the upper end of the first folding frame to induce the movement of the first folding frame, and the other side of the first guide bar connected to the first vertical frame is a second It is hinged to the upper end of the folding frame to induce movement of the second folding frame.

Specifically, one side of the guide bar 168 is hinged to the vertical frame 110 ′ and the third connection member 141 ′, and the other side is at the middle between the upper end of the folding frame 162 and the main hinge 161. Can be hinged. At this time, the two guide bars 168 rotate, respectively, and may guide the movement of the folding frame 162.

When the wheel frame 100' is unfolded, the upper end of the folding frame 162 moves to the third connecting member 141' and is fixed by the starter 147, and the guide bar 168 rotates downward and folds. It may overlap with the frame 162.

In addition, when the wheel frame 100' is folded, the guide bar 168 rotates upward and rotates the upper end of the folding frame 162 upward, and the folding frame 162 is folded left and right, and is in a long state. It becomes an X-shaped. For reference, the folding method in the form of the guide bar 168 is similar to the folding method of a wheelchair.

The configuration and loading method of the basket 200 are the same as those described above in the first embodiment, so a description thereof will be omitted.

Accordingly, the shopping cart according to the second embodiment can also be used as a table.

A shopping cart 10 ″ according to a third embodiment of the present invention will now be described with reference to FIGS. 8 to 10.

The shopping cart 10'' is made of a simple frame 170 and a basket 200.

In the simple frame 170, two straight folding frames 173 are intersected in an X-shape, and connected to each other by a main hinge 171 at an intersection point of the folding frame 173 to form one crossing frame. 8 and 10, it is preferable that two cross frames are provided for a sense of stability in the shopping cart 10 ″ and withstand the load of the basket 200.

In addition, one set of the two intersecting frames may limit the lateral spreading angle by connecting the folding frame 173 of the upper or lower portion of the position where the main hinge 171 is provided with the folding guide 175.

It is preferable that the shopping cart (10'') is also made in the form of c when viewed from the side.

That is, a support frame 130'' for supporting the basket 200 is provided on both sides of the upper end of the folding frame 173, and a lower frame 120'' having casters at both ends is provided on both sides at the bottom. do.

At this time, the support frame 130 ″ may be provided with a basket fixing member, as in the first and second embodiments, or the basket 200 may be placed on the upper side of the support frame 130 ″ without the basket fixing member.

The configuration of the basket 200 may be provided with a basket fixing protrusion corresponding to the basket fixing member in the same manner as in the first embodiment when a basket fixing member is provided in the support frame 130 ″. Therefore, when loading the basket 200 in the trunk of the vehicle, the shopping cart 10 ″ can be loaded in a sliding manner as in the first and second embodiments.

In addition, the basket 200 may be hinged or detachably connected to the bottom surface and the side surface, and may be provided with an outer wall locking device for fixing adjacent sides. Accordingly, the shopping cart according to the third embodiment is also a table It is possible to use as

As described above, the shopping carts 10, 10 ′, 10 ″ according to the present invention are very convenient because the user can easily load the basket in the trunk of the vehicle in a sliding manner.

In addition, the wheel frame 100 from which the basket 200 is separated is configured to be foldable, thereby reducing the volume and increasing space utilization when stored in a trunk.

In addition, since the basket 200 can be unfolded and used as a table, it has a variety of uses.

In the above, preferred embodiments of the present invention have been described in detail, but the technical scope of the present invention is not limited to the above-described embodiments and should be interpreted by the claims. At this time, those skilled in the art will have to consider that many modifications and variations are possible without departing from the scope of the present invention.

10,10',10'': shopping cart 100: wheel frame
110: vertical frame 112: vertical frame appearance
114: vertical frame inner tube 120: lower frame
121: first connecting member 122: front wheel caster
124: rear wheel caster 130: support frame
131: second connecting member 132: basket fixing member
140: folding device 141: third connecting member
150: handle portion 200: basket
232: basket fixing protrusion

Claims (13)

As a shopping cart comprising a basket for storing things, and a wheel frame that supports the basket and is movable by having a caster at the bottom thereof,
The basket has a square-shaped bottom surface and four side surfaces arranged perpendicularly to the floor surface, and the four side surfaces are hinged or detachably connected to the floor surface to be transformed and used.
The wheel frame,
Vertical frames disposed to face each other;
A lower frame having front wheel casters and rear wheel casters at both ends, respectively, and disposed below the wheel frame;
A support frame disposed above the vertical frame to face the lower frame and supporting the basket;
A folding device provided between the opposed vertical frames to allow the wheel frame to be folded left and right;
And,
A shopping cart, characterized in that the basket is transformable into a table when the outer wall locking device fixing the four sides is released and some of the four sides are flat with respect to the floor surface. .
The method of claim 1,
The folding device
A lower horizontal frame having both ends fixed to the lower end of the vertical frame;
An upper horizontal frame disposed to be spaced upward from the lower horizontal frame and having both ends fixed to the vertical frame; And
Both ends have a connection frame connected perpendicularly to the lower and upper horizontal frames,
The lower and upper horizontal frames are formed in a straight line and have a main hinge in the center to be folded upward.
The method of claim 2,
The lower horizontal frame is divided into a first lower horizontal frame and a second lower horizontal frame with a center lower main hinge, and the upper horizontal frame is a first upper horizontal frame and a second upper with a center upper main hinge. In the state divided into horizontal frames,
When the wheel frame is folded left and right,
The first lower horizontal frame and the second lower horizontal frame are folded around the lower main hinge at the center to form a convex upward shape, and the first upper horizontal frame and the second upper horizontal frame are the upper main hinge at the center. A shopping cart, which is folded around and is convex upward, and the connection frame is connected to the lower main hinge and the upper main hinge and moves up and down.
The method of claim 1,
The support frame includes a basket fixing member on the inside, a wheel or caster formed to match the basket fixing member on the bottom surface of the basket, and a fixing device for fixing the basket and the support frame to each other,
The above shopping cart
The vertical frame is transferred into the trunk of the open vehicle until it contacts the bumper of the trunk, and the basket is located inside the trunk,
Releasing the fixing device,
A step in which the basket from which the fixing device is released is pushed into the trunk and separated from the wheel frame while being loaded on the trunk floor in a sliding manner,
After the separated wheel frame is folded using the folding device, the shopping cart is loaded onto the vehicle through the step of being disposed inside the trunk.
The method of claim 4,
In a state in which the wheel frame folded using the folding device forms a U shape, when it is assumed that the basket and the wheel frame are loaded onto the vehicle,
Shopping cart, characterized in that the wheel frame is arranged to surround the basket.
A shopping cart comprising a basket capable of storing objects, and a wheel frame that is movable by supporting the basket and having a caster,
The basket has a square-shaped bottom surface and four side surfaces arranged perpendicular to the bottom surface, and the four side surfaces are hinged or detachably connected to the floor surface and can be used by deformation,
The wheel frame,
Vertical frames disposed to face each other;
A lower frame having front wheel casters and rear wheel casters at both ends, respectively, and disposed below the wheel frame;
A support frame disposed above the vertical frame to face the lower frame and supporting the basket;
A folding device provided between the opposed vertical frames to allow the wheel frame to be folded left and right;
And,
In the folding device, two straight folding frames intersect in an X-shape and the intersection point is hingedly coupled,
A shopping cart, characterized in that the basket is transformable into a table when the outer wall locking device fixing the four sides is released and some of the four sides are flat with respect to the floor surface. .
The method of claim 6,
When a first folding frame and a second folding frame are present as the two straight folding frames, there are two guide rods positioned parallel to the vertical frame, and these are referred to as a first guide rod and a second guide rod. ,
i) One side of the first folding frame is connected to the lower end of the first guide rod, and the other side of the first folding frame is hinged with a second guide connecting portion having a through hole so as to move up and down in the second guide rod, , ii) One side of the second folding frame is connected to the lower end of the second guide rod, and the other side of the second folding frame is hinged with a first guide connecting portion having a through hole so as to move up and down in the first guide rod. A shopping cart, characterized in that.
The method of claim 6,
The support frame includes a basket fixing member on the inside, a wheel or caster formed to match the basket fixing member on the bottom surface of the basket, and a fixing device for fixing the basket and the support frame to each other,
The above shopping cart
The vertical frame is transferred into the trunk of the open vehicle until it contacts the bumper of the trunk, and the basket is located inside the trunk,
Releasing the fixing device,
A step in which the basket from which the fixing device is released is pushed into the trunk and separated from the wheel frame while being loaded on the trunk floor in a sliding manner,
After the separated wheel frame is folded using the folding device, the shopping cart is loaded onto the vehicle through the step of being disposed inside the trunk.
The method of claim 8,
In a state in which the wheel frame folded using the folding device forms a U shape, when it is assumed that the basket and the wheel frame are loaded onto the vehicle,
Shopping cart, characterized in that the wheel frame is arranged to surround the basket.
The method of claim 6,
In a state in which a first folding frame and a second folding frame exist as the two straight folding frames,
One side of the first folding frame is connected to the lower end of the first vertical frame, one side of the second folding frame is connected to the lower end of the second vertical frame, and a first guide bar hinged on one side to the first vertical frame And when there is a second guide bar hinged on one side to the second vertical frame,
i) the other side of the second guide bar connected to the second vertical frame is hinged to the upper end of the first folding frame to induce the movement of the first folding frame, and ii) the second guide bar connected to the first vertical frame 1 The other side of the guide bar is hinged with the upper end of the second folding frame to induce movement of the second folding frame.
As a shopping cart comprising a basket for storing things, and a simple frame that supports the basket and is movable with casters,
The basket has a square-shaped bottom surface and four side surfaces arranged perpendicularly to the floor surface, and the four side surfaces are hinged or detachably connected to the floor surface to be transformed and used.
The simple frame,
An intersecting frame in which two folding frames intersect in an X-shape, and an intersection point is hinged;
A folding guide provided to limit an angle at which the folding frame is unfolded above or below the intersection of the cross frame;
A lower frame having casters at both end portions and disposed below the cross frame; And
It includes a support frame disposed opposite the lower frame on the simple frame and supported by the basket,
A shopping cart, characterized in that the basket is transformable into a table when the outer wall locking device fixing the four sides is released and some of the four sides are flat with respect to the floor surface. .
The method of claim 11,
The support frame includes a basket fixing member on the inside, a wheel or caster formed to match the basket fixing member on the bottom surface of the basket, and a fixing device for fixing the basket and the support frame to each other,
The above shopping cart
The simple frame is transferred into the trunk of the open vehicle until it contacts the bumper of the trunk, and the basket is located inside the trunk,
Releasing the fixing device,
A step in which the basket from which the fixing device is released is pushed into the trunk and separated from the simple frame while loading on the trunk floor in a sliding manner,
After the separated simple frame is folded using the folding frame, the shopping cart is loaded onto the vehicle through the step of being disposed inside the trunk.
The method of claim 11,
When it is assumed that the basket and the simple frame are loaded onto a vehicle in a state in which the simple frame folded using the folding frame forms a U shape,
A shopping cart, characterized in that the simple frame is arranged to surround the basket.

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