KR101490847B1 - Shopping cart - Google Patents

Abstract

A shopping cart usable in a shopping mall or the like is started. The entire shopping cart including the storage box can be configured to be foldable, and the area occupied when folded can be minimized.

Description

Shopping Cart {SHOPPING CART}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shopping cart, and more particularly, to a shopping cart having a foldable structure for a shopping cart provided with a storage box to improve portability and storage.

Recently, consumers are purchasing goods at large discount stores, and store operators have a shopping cart in the store to make it convenient for consumers to carry goods. In particular, the store operator uses various types of shopping carts to facilitate shopping for customers. For example, Korean Patent Laid-Open Publication No. 2013-24447 discloses that a backrest for a child seat is prevented from being bent excessively, Shopping carts were also developed to prevent infant injuries.

Meanwhile, in recent years, various policies have been implemented to prevent the monopoly of large discount stores and to revitalize traditional markets. However, it is difficult to use shopping carts used in conventional large discount stores in areas where shopping malls such as traditional markets are concentrated. That is, due to the characteristics of the conventional market, it is difficult to store conventional shopping carts having a large volume, and it is difficult for consumers to carry shopping carts.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a folding type shopping cart capable of folding the entire shopping cart including a storage box and reducing the area occupied by the folding shopping cart to a minimum, .

The shopping cart according to the present invention can be configured to include a first cart frame, a second cart frame, four folding legs, a plurality of cover members and a wheel member.

Here, the first cart frame includes: a first main post; A first upper post and a first lower post each extending from the first main post; And a first auxiliary post connecting one end of each of the first upper post and the first lower post to each other.

The second cart frame further includes: a second main post; A second upper post and a second lower post each extending from the second main post; And a second auxiliary post connecting one end of each of the second upper post and the second lower post to each other.

The four folding transverse frames are connected to four corners of the right storage face and the left storage face formed in the first cart frame and the second cart frame, respectively, and both ends of each of the four folding frames are connected to the right storage face and the left storage face, And an angle range of 90 degrees or less, and each center portion can be formed to be rotatable in an angular range of 0 degrees or more and 180 degrees or less.

The plurality of cover members may include: a right cover attached to the right receiving surface; A left cover attached to the left receiving surface; A rear cover attached to a rear receiving surface of the first main post, the second main post, and two adjacent folding lines disposed rearward of the folding line; A front cover attached to a front receiving surface made up of two adjacent folding lines disposed in front of the first auxiliary post, the second auxiliary post, and the folding line; And a lower cover attached to a lower receiving surface composed of two adjacent folding lines arranged at a lower portion of the first lower post, the second lower post and the folding line, each being formed of a fabric material A storage box can be constructed.

Further, the shopping cart according to the present invention may include a pair of rear wheel members respectively provided to the first main post and the second main post.

Particularly, each of the four folding transverses includes a first folding bar and a second folding bar that are pivotally coupled to the first cart frame and the second cart frame, can do. One end of each of the first folding rods and the second folding rods coupled to the first cart frame and the second cart frame has a connecting portion extending from each of the first cart frame and the second cart frame, And can be rotatably fastened through the coaxial shaft. Each of the first folding rods and the second folding rods may include: a pivoting piece having a circular cross section; And a stopper for preventing the first folding bar and the second folding bar from being rotated by more than 90 degrees with respect to the connecting portion corresponding to the first folding bar and the second folding bar. Each of the first folding rods and the second folding rods includes a pivoting pivotably coupled through a pivoting shaft; And a stopper which is connected to the first folding bar and the second folding bar to limit the rotation angle of the first folding bar and the second folding bar.

In addition, the shopping cart according to the present invention may further include a pair of handle members rotatably coupled to upper ends of the first main post and the second main post, respectively. Here, a binding groove may be formed at one end of one of the pair of handle members, and a binding hole may be formed at the other end of the pair of handle members so as to be inserted into or detached from the binding groove.

Further, in the shopping cart according to the present invention, each of the first upper posts and the second upper posts may have a plurality of inwardly projecting portions.

The shopping cart according to the present invention is constructed by folding all the components including the storage box, so that it is easy for the consumer to carry the goods or the like without using a separate basket. In addition, since the space occupied by folding is small, it can be stored and used more effectively in the traditional market as well as in large stores. Furthermore, since the storage box is constructed using the cover made of the fabric material, the weight of the shopping cart as a whole can be drastically reduced, and a sense of beauty can be provided to the user by configuring the storage box of various colors.

1 is a perspective view showing a use state of a shopping cart according to the present invention.
2 is a perspective view showing a shopping cart folded according to the present invention.
3 is a perspective view illustrating a folding structure of a folding lap in a shopping cart according to the present invention.
4 and 5 are exemplary cross-sectional views illustrating a folded structure of a folding lap in a shopping cart according to the present invention.
6 and 7 are illustrations for explaining the operation of a handle member attached to a shopping cart according to the present invention.
FIGS. 8 and 9 are views illustrating a usage state in which a basket is stored in a shopping cart according to the present invention, or a shopping bag is stored.
10 is an exemplary view showing a state in which a plurality of shopping carts according to the present invention are provided.

Hereinafter, preferred embodiments of a shopping cart according to the present invention will be described in detail with reference to the accompanying drawings.

First, referring to FIG. 1, a shopping cart according to the present invention may be constituted by a first cart frame, a second cart frame, and a plurality of folding lines interconnecting them. More specifically, the first cart frame includes a first main post 101, a first upper post 102 and a first lower post 103 respectively extending from the first main post 101, And a first auxiliary post 104 connecting one end of each of the posts 102 and the first lower posts 103 to each other. The second cart frame further includes a second main post 201 and a second upper post 202 and a second lower post 203 respectively extended from the second main post 201 and a second upper post 202 202 and a second auxiliary post 204 connecting one end of each of the second lower posts 203 to each other. Here, the plurality of posts (101 to 104) constituting the first cart frame each constitute four sides to form the right storage face, and the plurality of posts (201 to 204) constituting the second cart frame So that the left side storage surface is formed.

The plurality of folding casings 301, 302, 303, and 304 are mutually coupled to the right and left edges of the first and second cart frames, respectively. For example, the first folding stitching 301 may be formed in the vicinity of the corner where the first main post 101 and the first upper post 102 meet and the corner where the second main post 201 and the second upper post 202 meet . Likewise, the second folding cross-over 302 is located in the vicinity of the corner where the first upper post 102 and the first auxiliary post 104 meet and the edge where the second upper post 202 and the second auxiliary post 204 meet And the third folding line 303 is connected to the edge where the first auxiliary post 104 and the first lower post 103 meet and the edge near the corner where the second auxiliary post 204 and the second lower post 203 meet And the fourth folding line 304 is connected to the corner where the first main post 101 and the first lower post 103 meet and the corner where the second main post 201 and the second lower post 203 meet, Respectively. Here, each of the plurality of folding legs 301 to 304 is rotatably coupled at its both ends in an angular range of 0 degrees or more and 90 degrees or less from the right and left side storage surfaces, And an angle range of 180 degrees or less, and the detailed configuration thereof will be described later in detail.

On the other hand, the first cart frame, the second cart frame, and the plurality of folding lines form a total of six imaginary surfaces. The five imaginary surfaces including the right storage surface and the left storage surface, And a plurality of cover members which are formed and constitute the housing can be attached. That is, the right cover 401 is attached to the right storage surface, and the left cover 402 is attached to the left storage surface. The rear cover 403 is provided on the rear housing surface made up of the first main post 101, the second main post 201 and two adjacent folding casings 301 and 304 disposed rearwardly of the folding side widths Respectively. A front cover 404 is attached to the front receiving surface made up of the first auxiliary post 104, the second auxiliary post 204, and two adjacent folding placards 302 and 303 disposed forward of the folding lines. Respectively. Further, a lower cover 405 is provided on the lower receiving surface composed of two adjacent lower folding posts 303 and 304 disposed below the first lower posts 103, the second lower posts 203 and the folding lines Respectively. The plurality of covers 401 to 405 are formed of a flexible fabric material, and are attached to a housing made of these covers 401 to 405 so as to be firmly supported when the articles and the like are received.

A pair of rear wheel members 501 and 502 may be installed on each of the first and second main posts 101 and 201 and the first and second lower posts 103 and 203 A pair of front wheel members 511 and 512 may be installed. A first extension bar 511a and a second extension bar 512a are laid on the first lower posts 103 and the third lower posts 203 as needed and the first and second extension bars 511a and 512a are provided, It is also possible to provide a pair of front wheel members 511, It is preferable to include the function of the rear wheel members 501, 502 of the shopping cart, and optionally the front wheel members 511, 512 can be provided.

The shopping cart having the above-described configuration can be folded as shown in Fig. 2 when carrying or storing. That is, the plurality of folding casings 301 to 304 are configured to be folded inwardly of the housing consisting of the plurality of covers 401 to 405, through which they can be deformed to a minimum volume. 3 is an explanatory view for explaining the folding operation of the folding lines 301 to 304, and shows a state before a plurality of covers 401 to 405 are attached for the sake of convenience. As shown in Fig. 3, each of the four folding legs 301 to 304 includes a first folding rod, one end of which is rotatably coupled to the first cart frame and the second cart frame, And a second folding rod. For example, the second folding line 302 may include a first folding bar 302a and a second folding bar 302b.

Particularly, one end of each of the first folding rods 302a and the second folding rods 302b coupled to the first cart frame and the second cart frame in the second folding line 302 is connected to the first cart frame and the second cart frame, And is rotatably coupled through the connecting portions 120 and 220 extending from the respective cart frames through the rotating shaft 350. 4 (a), each of the first folding rods 302a and the second folding rods 302b includes a pivoting piece 310 having a one-fourth circular cross section; And a stopper 320 for preventing the first folding rods 302a and the second folding rods 302b from being rotated by more than 90 degrees with respect to the connecting portions 120 and 220 corresponding to the first folding rods 302a and the second folding rods 302b. 4 (b), when the first and second folding rods 302a and 302b are folded, the pivotal piece 330 having a circular cross section and formed in the connecting portion 220 has a circular stopper And the rotating piece 310 formed on the folding rods 302a and 302b is caught by the stopper 340 formed on the connecting portion 220. [ With this structure, the second folding transverse 302 can be rotated in an angular range of 0 degrees or more and 90 degrees or less from the right storage side (i.e., the first cart frame) and the left storage side Lt; / RTI > Here, the stoppers 320 and 340 may have a stepped structure formed so as to be stepped from the folding rods or the connecting portions so that the respective turning pieces 310 and 330 are in contact with each other.

5 (a), each of the first folding rods 302a and the second folding rods 302b includes a pair of pivots 312a and 312b pivotally connected through a pivot 360, And stoppers 370 and 380 which are connected to each other to limit a rotation angle of the first folding rods 302a and the second folding rods 302b. When the first and second folding rods 302a and 302b are unfolded, the stopper 370 and the stopper 380 are connected to each other at a maximum of 180 degrees. On the contrary, in the folded state as shown in Fig. 312b, and the rotating shaft 360, respectively.

4 and 5 illustrate the structure of the second folding type transversal 302 as an example, the remaining folding type lateral folds 301, 303, and 304 are different from each other only in forming position and dimensions, Is omitted. In addition, the reason why the folding lid is composed of the first and second folding rods, and the angle at which each folding rod is pivoted relative to the first and second cart frames is limited is that the housing The structure in which the shopping cart is unfolded due to the load of the articles or the like housed when the goods and the like are housed is firmly supported. Particularly, the plurality of folding lugs are configured to be folded inside the housing, and are configured not to be folded outwardly through a pivoting piece or a connecting piece provided in the folding lumbar region and a stopper structure connected thereto. Thus, even if the article is stored in the storage box, the unfolded structure of the shopping cart can be firmly maintained.

6, the shopping cart according to the present invention includes a pair of handle members 110 and 210 rotatably coupled to the upper ends of the first main post 101 and the second main post 201, respectively, can do. 7, a coupling groove 111 is formed at an end of one of the pair of handle members 110 and 210 and a coupling groove 111 is formed at an end of the other coupling member 210 or 110. [ A binding hole 211 may be formed to be inserted into or detached from the substrate 111. When the shopping cart is unfolded, the user rotates the handle members 110 and 210 so as to face each other. At this time, the binding hole 211 and the binding groove 111 formed at the ends abutting each other can be made into a handle bar structure , The user can move the shopping cart more conveniently. A fixing protrusion 212 is formed on the outer circumferential surface of the coupling hole 211 and a coupling protrusion 212 is formed at a position corresponding to the fixing protrusion 212. Further, in order to further strengthen the fastened state of the pair of handle members 110, 210, It is preferable that the fixing protrusion 212 is fastened to the fixing groove 112 by forming the fixing groove 112 on the inner circumferential surface of the groove 111. [

Furthermore, a plurality of inwardly projecting portions 102a and 202a may be formed in the first upper post 102 and the second upper post 202, respectively. The inwardly projecting portions 102a and 202a provide convenience for the user to hang an item or the like carried by the user. 8 and 9, the user may place a separate basket B inside a storage box formed when the shopping cart is opened, or may use a handle such as a shopping bag P by hanging it. Particularly, since the handle of the shopping bag is caught by the inward protrusions 102a, 202a inside the upper posts 102, 202, even if several people interfere with each other as the shopping cart is operated in a narrow space, So that the convenience of the user can be increased.

The shopping cart according to the present invention can be manufactured with a light weight, and as shown in Fig. 10, the area occupied by the folded cart is reduced to a minimum. Therefore, it can be more useful when a shopping mall operator such as a traditional market provides a small space for storing a shopping cart provided to a consumer. In addition, the shopping cart according to the present invention has an advantage that a plurality of covers constituting a storage box can be formed of various color fabric materials, and thus can be used not only in a traditional market but also in a shopping mall such as a department store or a large discount store.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is therefore to be understood that the embodiments of the invention described herein are to be considered in all respects as illustrative and not restrictive, and the scope of the invention is indicated by the appended claims rather than by the foregoing description, Should be interpreted as being included in.

Claims (6)

A first main post 101; A first upper post 102 and a first lower post 103 each extending from the first main post 101; And a first auxiliary post (104) connecting one end of each of the first upper post (102) and the first lower post (103) to each other, and a first cart frame constituting a right receiving surface,
A second main post 201; A second upper post 202 and a second lower post 203 respectively extending from the second main post 201; And a second auxiliary post (204) connecting one end of each of the second upper post (202) and the second lower post (203) to each other, and a second cart frame
And both ends of each of which is rotatably coupled to the right and left storage surfaces in an angular range of 0 degrees or more and 90 degrees or less from the right storage surface and the left storage surface, 302, 303, 304 formed rotatably in an angular range of 0 degrees or more and 180 degrees or less,
A right cover 401 attached to the right receiving surface; A left cover 402 attached to the left receiving surface; A rear cover 403 attached to a rear receiving surface made up of two adjacent folding casings 301 and 304 disposed rearwardly of the first main post 101, the second main post 201, ); A front cover 404 attached to a front receiving surface made up of the first auxiliary post 104, the second auxiliary post 204 and two adjacent folding transverses 302, 303 disposed in front of the folding transverse, ); And a lower cover attached to a lower receiving surface made up of the first lower posts (103), the second lower posts (203), and two adjacent folding transverses (303, 304) 405), a plurality of cover members each formed of a fabric material and constituting a housing,
And a pair of rear wheel members (501, 502) provided respectively in the first main post (101) and the second main post (201)
Each of the four folding casings 301, 302, 303, and 304 is provided with a first folding bar 301 and a second folding bar 302 that are pivotably coupled to the first cart frame and the second cart frame, And a second folding bar,
One end of each of the first folding bar and the second folding bar is rotatably coupled through a connecting portion (120, 220) and a rotating shaft (350) extending from each of the first cart frame and the second cart frame (310, 330) having a one-quarter circular cross section; And stoppers (320, 340) for preventing the first folding rods and the second folding rods from being rotated by more than 90 degrees with respect to the connecting portions corresponding to the first folding rods and the second folding rods,
The other end of each of the first folding bar and the second folding bar may include a pair of guide pieces (312a, 312b) rotatably coupled via a pivoting shaft (360); And stoppers (370, 380) connected to each other to limit a rotation angle of the first folding rods and the second folding rods.
delete delete delete The method according to claim 1,
And a pair of handle members rotatably coupled to upper ends of the first main post and the second main post, respectively,
Wherein a binding groove is formed at one end of one of the pair of handle members and a binding hole is formed at the other end of the binding member so as to be inserted into or detached from the binding groove.
The method according to claim 1,
Wherein each of the first upper posts and the second upper posts has a plurality of inwardly projecting portions formed therein.

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