KR101916807B1 - Smart cart available as carrier - Google Patents

Abstract

The present invention relates to a cart which can be folded and used as a carrier, is portable, and can be used to move articles by being detachably installed with a bag. The present invention comprises: a main body frame of the cart composed of a base frame, an operation frame, and a subsidiary frame; a bag installing means for attaching and detaching the bag; a wheel; and a rotation portion crossed with each of the frames so as to be foldable, thereby capable of installing a plurality of bags by unfolding all the frames. In addition, the smart cart can be easily folded with a simple composition such that the smart carrier can be changed in a carrier shape for use, or has improved portability by reducing the volume, thereby being useful for various purposes.

Description

Smart cart available as carrier "

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cart for use in a home, shopping mall, or outdoor, and more particularly, to a smart cart that can be used as a carrier that can be used as a carrier,

The contents described in this section merely provide background information on the embodiment of the present invention and do not constitute the prior art.

Generally, a cart is widely used in our daily life. It means a cart made to load and carry objects, and the structure and size vary depending on the application.

Typical examples are shopping carts used in shopping malls such as mart or department store, carts used outdoors to transport necessary items for leisure activities, and carts used for carrying items at work or at home.

Such carts are generally constructed in such a manner that a storage unit for storing a frame and an object is integrally formed or a product is fixed to a cart by using a separately formed elastic wire instead of a separate storage unit in order to improve portability . However, such a structure is not portable due to the volume of the storage portion, is portable and can be folded, but has a problem in that it is inconvenient to use various and many objects because it is inappropriate. In addition, there has been a problem in that it is necessary to transfer the objects to a shopping cart which can be carried from the storage unit to the home by being provided integrally with the storage unit capable of storing the cart.

The following Patent Document 1 proposes a method of making a frame of a cart possible to be foldable and portable, and a bag to be combined with a cart.

However, according to the following Patent Document 1, the object can be transported only by the pulling method, so that it can not be operated in both directions depending on the situation, the shape of the bag for holding the object is limited, It is impossible to classify them at the time of loading, and the problem that many objects can not be loaded remains.

KR 10-2012-0079641 A

It is an object of the present invention to provide a cart which can be easily accommodated and carried and can be used for various purposes.

More particularly, the present invention provides a cart which can be folded or folded and which can be easily transported by providing a foldable cart frame with a simple operation, It has its purpose.

In addition, it is possible to selectively attach and detach a variety of bags, so that the type and size of a bag suitable for the purpose of the cart can be selectively used. Therefore, the bag can be used for various purposes, And a cart which can be moved in a bag.

The technical object of the present invention is not limited to the above-mentioned technical objects and other technical objects which are not mentioned can be clearly understood by those skilled in the art from the following description will be.

In order to achieve the above-mentioned object,

Bag mounting means provided on the cart body frame so that the cart body frame and a plurality of bags can be detachably attached to the cart body frame, respectively, and a plurality of wheels provided below the cart body frame.

In this case, the cart body frame may include a base frame, a movable frame connected to the base frame so as to be foldable so as to be foldable, and a turning part, so that the cart may be carried or modified by a carrier. At this time, in order to easily use the carrier as a carrier, the length of the bottom of the movable shaft of the movable frame may be longer than the length of the bottom of the base frame.

In addition, it may include one or more auxiliary frames, one end of which is connected to the pivotal portion so as to be foldable so as to intersect with the base frame or the movable frame, and each frame rotates within a set range centered on one pivotal axis, The widths of the respective frames may be different from each other so as not to be influenced by other frames, and each frame may be provided so as to be selectively rotatable according to the use.

In addition, a handle may be provided on the base frame, and the handle may be provided on the base frame so as to be adjustable in length in order to improve convenience according to the use and the user's body condition.

The bag mounting means may include a cross bar formed in the width direction of each frame and a protrusion formed on the cross bar or a fixing part detachably coupled to the cross bar as a separate component, Lt; / RTI >

A variety of bags may be coupled to the smart carts available as carriers, depending on the application, and brakes may be installed on any one or more of the wheels.

The smart cart which can be used as a carrier according to the present invention as described above,

And it is an object of the present invention to provide a cart which can be folded into a cart or a carrier according to the amount and taste of the article to be loaded, and is foldable for easy portability.

Further, it is possible to selectively attach and detach a plurality of various bags, so that the type and size of bags suitable for the purpose of the cart can be selectively used, so that it is possible to separately load articles, It can be used for various purposes such as collection.

Therefore, it is possible to carry a cart or change its shape to a carrier by a simple operation, and it is possible to operate in a bidirectional manner by pushing in the case of using a cart and pulling when using it in a carrier, the bag can be moved at a time, and when a plurality of bags are used, the cart can be separated from the cart and divided into a plurality of persons.

1 is a side view showing one embodiment of a basic configuration of the present invention,
Fig. 2 is a perspective view showing an embodiment of a cart to which an auxiliary frame is added, Fig.
Figure 3 is a side view of Figure 2,
4 is a side view showing a state in which only the movable frame of the present invention is folded and used in a carrier form,
5 is a side view showing a state in which all the frames are folded and easily carried,
6 is a side view showing a state in which the rotation range of the auxiliary frame is changed,
7 is a sectional view showing an operating portion for folding the movable frame,
Fig. 8A is an enlarged cross-sectional view of Fig. 7 (x)
FIG. 8B is an enlarged cross-sectional view of FIG. 7 (y)
Fig. 9 is a sectional view showing an operating portion for folding the auxiliary frame,
Fig. 10A is an enlarged cross-sectional view of Fig. 9 (z) showing a state of (a)
Fig. 10B is an enlarged cross-sectional view of Fig. 9 (z), showing the state of (b)
Fig. 10C is an enlarged cross-sectional view of Fig. 9 (z) showing the state of (c)
Fig. 10D is an enlarged cross-sectional view of Fig. 9 (z) showing the state of (d). Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience. In addition, terms specifically defined in consideration of the constitution and operation of the present invention are only for explaining the embodiments of the present invention, and do not limit the scope of the present invention.

It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

FIG. 3 is a side view of FIG. 2; FIG. 4 is a side view of the movable frame of the present invention; FIG. 5 is a side view of the movable frame of FIG. FIG. 5 is a side view showing a state in which all the frames are folded and easy to carry, and FIG.

Fig. 6 is a side view showing a state in which the rotation range of the subframe is changed; Fig. 7 is a sectional view showing the operation part for folding the movable frame; Fig. 9 is an enlarged cross-sectional view showing an operating portion for folding the auxiliary frame, and Figs. 10A to 10D are enlarged sectional views of a portion (z) for folding the auxiliary frame.

1, a cart which can be used as a carrier of the present invention includes a base frame 100, a movable frame 200, and a bag 50 on which goods can be loaded, A base frame 100 and a movable frame 200 provided on the upper part of the movable frame 200 so as to be detachably mountable on the upper part of the movable frame 200, And a plurality of wheels provided at a lower portion thereof.

The bag 50 may include any bag 50 in the form of a basket, a shopping cart, a plastic bag, a bag, a paper bag, a pet bag, a bag, .

The frame of the cart may be composed of a base frame 100 and a movable frame 200 which is connected to the base frame 100 so as to intersect with the base frame 100. The base frame 100 and the movable frame 200, The rotary part 400 may be provided at an intersection of the movable frame 100 and the movable frame 200.

2, the cart frame further includes one or more auxiliary frames 300 connected to the rotary unit 400 so as to be foldable so as to intersect with the base frame 100 or the movable frame 200 can do. In addition, the base frame 100, the movable frame 200, and the auxiliary frame 300 are rotated within a predetermined range centered on one pivotal axis 410 of the pivotal portion 400, The widths of the respective frames may be formed differently so as not to be influenced.

When the width of the base frame 100 is larger than the width of the movable frame 200 and the auxiliary frame 300, the size of the base frame 100 when all the frames are folded is improved, . On the contrary, when the width of the movable frame 200 and the width of the auxiliary frame 300 is larger than the width of the base frame 100, a space for mounting the bag 50 is secured, The retractability of the cart can be improved.

The opening and closing of the bag is independent of whether the frame is folded or unfolded. However, in terms of structure, the bag 50 is mounted on the upper part of each frame. When the frame is unfolded with the bag 50 mounted, When the frame is opened and the frame is folded, the opening of the bag is closed, and the opening degree may vary depending on the degree of folding.

The bag 50 is attachable and detachable by means of a bag 50 mounted on the upper portion of each frame. One side of a bag 50 is attached to a bag 50 mounted on a base frame 100 and a bag 50 is attached to a mounting means provided on the movable frame 200. [ Can be mounted by hanging.

The part of the bag 50 which is caught in the bag 50 mounting means can be part of the handle 110, part of the mesh.

As another embodiment, one side of a bag 50 is attached to a bag 50 mounting means provided on a base frame 100 and a bag 50 is attached to a mounting means provided on the auxiliary frame 300. [ Can be mounted by hanging.

4 to 6, the base frame 100, the movable frame 200, and the auxiliary frame 300 may be selectively rotatable.

When all the frames are unfolded (FIG. 3), more than two bags 50 can be mounted, which makes it suitable for sorting and transporting a wide variety of objects. In addition, the bag 50 is separated from the cart and is easy to be divided and transported by several persons. Only one of the frames may be folded and used as a carrier (Fig. 4) or a single large bag 50 may be mounted (Fig. 6 (d)). When folded all together, the volume of the cart frame is minimized, making portability easy (Fig. 5). The user can use various forms according to convenience and preference.

As a method of folding the base frame 100 and the movable frame 200, a lever 130 and a latch gear may be used, or manually folded by using a groove and a projection 311, or by using a stopper or the like supported by a spring So that it can be folded and fixed.

As shown in FIGS. 7, 8A, and 8B, when the lever 130 is provided on the base frame 100 and the fixing groove 431 for fixing the movable frame 200 is formed, A connecting bar 150 for connecting the lever 130 and the first fixing member 430 is provided on the rotary part 400 and the fixing groove 430 of the first fixing member 430 The first connecting part 400 is formed on the movable frame 200 so as to be coupled to the fixing groove 431. The connecting bar 150 is fixed to the first fixing part 400 when the lever 130 is operated, The base frame 100 and the movable frame 200 are rotated together with the movable frame 200 at a predetermined angle so as to be able to be coupled to the first fixing member 430 in a space formed in the one- It can be folded.

In order to stably operate the lever 130 and the first fixing member 430, an elastic body (not shown) such as a spring is further included in the operating direction of the lever 130 or the moving direction of the first fixing member 430 can do.

As a method of folding the auxiliary frame 300 with another frame, a method of folding the base frame 100 and the movable frame 200 can be used.

9 and 10A to 10D, a second fixing member 450 having a plurality of fixing grooves 451 formed along the radial direction about the pivotal axis 410 is formed on the auxiliary frame 300, Protrusions 311 corresponding to the fixing grooves 451 of the second fixing member 450 are formed and long holes 312 are formed in the longitudinal direction of the auxiliary frame 300 The second rotating member 310 is integrally formed at one end of the auxiliary frame 300 and the rotating shaft 410 is coupled to the rotating shaft 410 while being positioned to penetrate the long hole 312, The auxiliary frame 300 can be folded with another frame by rotating the main frame 311 in a direction away from the fixing groove 451 and turning it and inserting it into another fixing groove 451.

The fixing groove 451 into which the projection 311 of the second rotary member 310 is inserted is preferably fixed in the vertical downward direction (the auxiliary frame 300 is fixed upright between the base frame 100 and the movable frame 200) (Inserted in the groove 'b' in FIG. 10 (b)) and in the lower direction (fixed by folding the auxiliary frame 300 to the base frame 100) ). Further, in order to adjust the size of the space in which the bag 50, which is divided due to the auxiliary frame 300, between the base frame 100 and the movable frame 200 can be adjusted, Alternatively, a fixing groove 451 may be additionally formed on the right side (Fig. 10A, (a ') insertion into the groove). In order to completely remove the auxiliary frame 300 on the frame to be used when the auxiliary frame 300 is not in use, the movable frame 200 is arranged in parallel with the movable frame 200 so as to be foldable on the lower frame of the movable shaft 200, The frame 300 may be fixed to the lower portion of the movable frame 200 so that the frame 300 is folded), the fixing groove 451 may be additionally formed (Fig. 10D, (d ')).

At this time, the releasing range of the protrusion 311 is rotated in a state limited to the long axis length of the slot 312, so that stable operation is possible. More preferably, the uniaxial inner length of the elongated hole 312 may correspond to the diameter of the rotary shaft 410 for stable fixing and use.

When the second rotary member 310 is inserted into the second fixing member 450, the rotary shaft located in the slot 312 is fixed at a predetermined position to thereby stably support the auxiliary frame 300 integrally connected thereto As an alternative, one or more elastic bodies 330 may be further provided inside the slots 312.

The elastic body 330 may be a plastic or a spring, or a combination thereof, and may be installed in the direction of the rotation axis on the inner wall of both long shafts or the short axis of the long hole 312.

A handle 110 may be formed on the base frame 100 or the movable frame 200. Further, the handle 110 may be provided on the base frame 100 to adjust the length thereof according to the user's environment such as the height of the user, the width of the cart usable space, and the like. For example, the handle 110 may be formed to slide on the frame, and may be coupled with a groove and a projection, or may be fixed with a bolt. This makes it easier to transport objects in the form of carts that are available as carriers, as well as in a manner that folds and shuts the frame in the form of a carrier.

The length of the lower portion of the movable frame 410 may be longer than the length of the lower portion of the rotating shaft 410 of the base frame 100. In this case, when the frame is expanded and used as a cart, the bottom of the carrier is wide even at the same height, so that it can be used stably. When the frame is folded and used as a carrier, the base frame 100 does not touch the ground, but the carrier 110 is rotated with the wheel provided at the lower part of the movable frame 200 as the center axis, The turning radius for moving the center of gravity of the wheel is increased.

As the bag 50 mounting means, they may be formed in the form of protrusions on each frame or may be retaining hooks detachably coupled to the respective frames. Also, the frame and bag 50 of the cart may be secured using a hook and loop fastener.

As a preferred embodiment, a cross bar formed in the width direction of each frame is provided, and protrusions are formed on the cross bar, or a fixing hook is formed so as to penetrate the cross bar. Alternatively, The fixing hooks can be coupled with each other in a detachable manner.

The protrusions and the fixing hooks can be formed or coupled in the upper direction of the crossbars provided in each frame or each frame, or in the inward direction of the cart, which is a space for mounting the bag (50).

When the plurality of fixing hooks are provided, the width of the fixing hooks can be adjusted. The fixing hooks penetrating the crosspiece are fixed with bolts, and the position can be adjusted by releasing the bolt connection. The fixing hooks which can be detachably attached can be adjusted in the width of the fixing hooks by selecting the position to which the fixing hooks are coupled.

One or more bags 50 may be coupled to the bag 50 mounting means. The bag 50 includes all of the bags 50 in the form of a basket, a shopping cart, a plastic bag, a bag, a paper bag, a pet bag, a bag, .

Further, the brake may be provided on any one or more of the plurality of wheels provided at the lower portion of the cart which can be used as a carrier.

The cart which can be used as the carrier is foldable and can be used at a shopping site, outdoors, at home, at work, or in various other urethra by taking advantage of the fact that the bag 50 can be detached and attached separately.

As an example, in a shopping mall such as a large-sized shopping mall, conventionally, a large number of items loaded on a cart in a post-shopping calculation are loaded on the respective checkout boxes, and then transferred to a cart and packed in a shopping cart or a recycling box for transportation There was an inconvenience. The cart which can be used as a carrier of the present invention is a removable type bag, so that it is not necessary to transfer a large number of articles each time, and the bag 50 can be carried as it is to a home, .

As another example, in a shopping center such as a traditional market, a personal cart can be held in a mart or a market. When the vehicle is moved to the vehicle, the entire frame can be folded and mounted on the trunk. Since the bag 50 is detachable, it is easy to carry the purchased object.

As another example, it may be used at home for toys and household goods, for collection and storage purposes, or for garbage collection. Household goods or garbage can be separated and loaded at home, and the brakes can be used to prevent the wheels from rotating. In order to discharge the garbage, the brake can be released, the cart can be pushed as it is, and the garbage can be discharged by moving to the garbage field. At this time, it is possible to more easily discharge the garbage when the bag (50) is used as the envelope.

As another example, it can be used to camp in a campsite, or to carry camping goods, food, and travel goods when using a pension or a condo. Camping goods, food, travel goods, and the like are stored in a bag 50, the cart frame is folded and mounted on a vehicle, the frame is extended from a parking lot such as a camping site, and a bag 50 is mounted It is easy to move to the destination. After the movement, the bag 50 can be replaced and the cart can be used for collecting garbage collected during camping.

As another example, it is commercially available to a company or government office. Since the sorting and transporting of articles can be simplified, courier, fixtures and other departmental deliverables can be separately carried by division, and can be delivered in bag (50).

In the case of using a cart which can be used as a carrier in the same manner as the above example, or in other ways, it can be selectively used in the form of a cart or a carrier depending on the preference of the user, have.

When a large number of objects or a large number of objects are required to be mounted separately, it is possible to use the carts by pushing the carts by extending all the frames and mounting a plurality of bags (50). Alternatively, when there are few objects to be transported or the space is narrow, it can be used in the form of folding in the form of a carrier.

In addition, the fact that in Korea, where the dog population exceeds 10 million people, a bag (50) containing a pet basket, a bag, and necessary supplies is mounted on the cart and can be easily moved. It is easy.

50: back 100: base frame
110: handle 130: lever
150: connecting bar 200: movable frame
210: first rotating member 300: auxiliary frame
310: second rotating member 311: projection of the second rotating member
312: elongated hole 330 of the second rotating member 330:
400: turning part 410:
430: first fixing member 431: fixing groove of the first fixing member
450: second fixing member 451: fixing groove of the second fixing member
500: bag mounting means

Claims (10)

A base frame having a wheel at a lower portion thereof;
A movable frame having a wheel at a lower portion thereof and rotatably connected to the base frame so as to intersect with the base frame;
A rotation unit provided at an intersection so that the base frame and the movable frame can be rotated so as to intersect with each other; And
And a bag mounting means provided on the base frame and the movable frame so that one side of the bag capable of loading the object is detachable on the upper portion of the base frame and the other side is detachable on the upper portion of the movable frame,
At least one auxiliary frame having one end coupled to the turning portion so as to be foldable with the base frame and the movable frame;
Wherein the base frame, the movable frame, and the subframe are pivoted within a predetermined range about a pivot axis of the pivot portion, a plurality of fixing grooves are formed along the pivot axis about the pivot axis, A second fixing member coupled to the pivot shaft to which the second fixing member is connected; And
Wherein a protrusion corresponding to the fixing groove of the second fixing member is formed integrally with one end of the auxiliary frame and a long hole is formed in the longitudinal direction of the auxiliary frame, A second rotary member coupled to the rotary shaft and rotatable in a state in which the displacement range of the projection is limited to within a long axial length of the elongated hole,
More smart carts included. The method according to claim 1,
A lever provided on the base frame,
A first fixing member having a fixing groove for fixing the movable frame,
A connecting bar connecting the lever and the first holding member and moving in one direction together with the first holding member when the lever is operated,
And a second fixed member which is provided on the movable frame and rotates in a space integrally formed with the movable frame at an angle set as a unit with the fixed member, Further comprising: a first rotatable member that can be recombined with the first fixing member. delete 3. The method of claim 2,
Wherein the widths of the frames are different so that the movable frame and the auxiliary frame are not influenced by other frames within the pivot range. delete The method according to claim 1,
Further comprising at least one elastic body inside the slot so as to fix the rotary shaft in the slot to the predetermined position when the second rotary member is inserted into the second fixing member. The method according to claim 1,
A handle is formed on the upper end of the base frame or the movable frame,
A smart cart capable of adjusting the length of a handle on a frame on which the handle is formed. The method according to claim 1,
Wherein the base frame and the movable frame have different lengths under the rotation axis. The method according to claim 1,
The bag mounting means includes a base frame, a movable frame, a cross bar formed in the width direction of each frame at the top of the sub frame,
And a protrusion formed on the cross bar, or a fixing hook penetrating the cross bar or detachably coupled to the cross bar. 10. The method of claim 9,
Wherein the width of the fixing hook is adjustable.

Images