SHOPPING CART

Description

[0001] The utility model relates to commercial equipment devices intended for transporting goods in the sales areas of retail enterprises.

[0002] Shopping carts [1] are known, made of metal, of two types: cart type A, consisting of a basket for transporting goods and a frame, equipped with wheel supports and a handle, and type B, which differs from type A by the presence of a folding wall with a supporting surface installed inside the basket.

[0003] The disadvantage of these carts is that they are material-intensive and prone to corrosion, which can cause rust to spread to food items. These carts also change shape when deformed and are noisier than plastic carts.

[0004] A shopping trolley for supermarkets and their analogues is known [2], consisting of a basket or container with mesh side panels, with a folding back wall for coupling trolleys into a single system for minimal spatial occupancy, with lower frames that perform the function of legs with wheels for movement, characterized in that the folding back wall is removable and has cylindrical bodies at the ends of its upper edge and through holes in the function of guides for fastening the ends corresponding to the horizontal handle or handle of the trolley, wherein the said bodies are facing the corresponding cylindrical blocks that make up part of the side surface of the trolley basket, through the through holes of the blocks fastening bolts axially pass into the corresponding nuts provided inside the handle, allowing the back wall to be folded relative to the sides of the basket.In accordance with the vertical and rear edges of the lateral sides of the trolley basket, corresponding tubes are provided, located on the tubular sections and performing the functions of guides, and upper heads related to the basket, wherein the said guides include a semi-body element with a locking wedge in an opening installed in the said tubes, characterized in that the frames forming the front legs are reinforced with a crossbar relative to the lower end of the said legs, while in relation to the upper part, the aforementioned frames are connected to the rear frames by means of corresponding diagonal struts, in accordance with the frames or front legs of the trolley, an orthogonal dihedral grid is located, defining an additional lower cargo platform.

[0005] The disadvantage of this supermarket shopping cart and similar products is the complexity of its design, as well as its assembly and disassembly. Furthermore, its construction uses different types of materials, which makes it difficult to recycle.

[0006] A shopping and advertising cart [3] is known, made of polymeric materials and containing panels for displaying advertising information. The cart has a basket with solid side walls without openings, with the side walls being designed to be offset inward, and panels for displaying advertising information are attached to them. The shopping and advertising cart is equipped with an electronic tag capable of using NFC wireless technology.

[0007] The disadvantage of this shopping and advertising cart is that it is prone to dirt accumulation on the bottom and sides of the basket.

[0008] A shopping cart with a folding seat [4] is known, made of polymer materials, having a main push handle, a chassis with four wheels, a basket. The basket has three additional handles, one of which is located on the opposite side from the main push handle, two other additional handles are located on the sides of the basket, the chassis has a wide platform for attaching to the basket, the design of all wheel units and the attachment points to the chassis are additionally reinforced, each of the four wheels has two sealed bearings, the bearing installation locations are additionally protected by a protective bearing plug, the chassis mount is reinforced with an additional plug above the wheel, the folding seat for a child has a seat back, which, together with the rear side of the cart, is devoid of protruding parts at the top.

[0009] The disadvantage of this cart is the inconvenience of coupling it into a single system at the parking lot for storage due to the presence of a child seat and dismantling.

[0010] This utility model is aimed at achieving a technical result consisting in increasing the strength of a shopping cart.

[0011] The technical result is achieved in that a shopping trolley made of polymeric materials consists of a frame with wheel supports and a basket with a push handle, containing a bottom, rear, side and front walls, characterized in that the basket, the trapezoidal bottom of which is provided at the back with a base reinforced with stiffening ribs with square-section bushings, is installed with a console at a small angle to the horizontal inside a reinforced similar platform of a spatial frame with wheel supports and is secured by means of spacers with beveled heads, the reinforced frame has four support legs with cylindrical brackets for installing wheel supports with wheels in them, the front of which are fastened together by a crossbar, and the rear ones are connected from above by a base reinforced with stiffening ribs with bushings with square holes turning into round ones.

[0012] Fig. 1 is a side view of the assembled shopping trolley; Fig. 2 is a front view; Fig. 3 is a side view of the assembled basket with a pushing handle and a rear hinged wall; Fig. 4 is a top view; Fig. 5 is the basket frame from the side; Fig. 6 is a bottom view; Fig. 7 is a front view of the hinged rear wall; Fig. 8 is a side view; Fig. 9 is a top view of the pushing handle of the trolley; Fig. 10 is a side view; Fig. 11 is a side view of the assembled spatial frame; Fig. 12 is a top view; Fig. 13 is a top view of the cylindrical frame brackets; Fig. 14 is a bottom view; Fig. 15 is an assembled self-orienting wheel support; Fig. 16 - side view of the protective cap of the fork bearing; Fig. 17 - the same, bottom view; Fig. 18 - top view of the axle for attaching the wheel support to the frame bracket.

[0013] The shopping trolley for transporting goods is made of polymeric materials and consists of a spatial frame 1 reinforced with stiffeners with four self-orienting wheel supports 2 and a perforated cast mesh basket 3 mounted on it in a cantilever manner at a slight angle to the horizontal, consisting of a trapezoidal bottom 4, two side walls 5, 6, a front 7 and a folding rear wall 8, as well as a reinforced handle 9 for pushing, equipped with a protective screen 10 for an advertising insert installed with its sidewalls 11 with longitudinal holes 12 on the protrusions 13 of the upper part of the side walls 5, 6 of the basket 3, and secured by means of a socket connection (“female-male”) with clamps 14. The front 7 and side 5, 6 walls of the basket 3 are equipped in the upper part with three additional handles 15. One of One of them is located at the top in the middle of the front wall 7 of the basket 3, and the other two are on the side walls 5, 6.The trapezoidal bottom 4 and the walls 5, 6, 7 of the basket are additionally reinforced along the contour. The trapezoidal bottom 4 of the shopping trolley is provided at the rear with a trapezoidal base 16, reinforced internally with stiffening ribs 17, 18 with square-section bushings 19 embedded therein. The inclined side walls 20 of the base 16, the bottom of which is made in a horizontal plane, ensure that the bottom 4 of the basket 3 is positioned at a slight angle. Moreover, the front wall 21 is made flush with the bottom 4, and the rear wall 22 protrudes slightly above it.

[0014] The rear hinged wall 8, which is hingedly fixed to the side walls 5, 6 of the basket 3 and perforated with square holes 23, is reinforced along the perimeter and in the middle with stiffening ribs. At the bottom, the hinged rear wall 8 is equipped with at least two stops 24 in the rear wall 22 of the base 16 of the bottom 4, and the upper reinforced rotary semicircular part is provided with a hook 25 for bags and cylindrical stops 26 with axes of rotation 27, provided with ears 28 at the ends. The axes of rotation 27 with ears 28 are inserted from the inside of the basket 3 into the holes with rectangular grooves 29 of the upper part of the side walls 5, 6 of the basket 3 and are protected from the outside by bushings 30. The angle of inclination of the rectangular grooves 29 is about 45° relative to the horizon.

[0015] The spatial frame 1 is provided with additionally reinforced two front 31 and two rear legs 32 with cylindrical brackets 33 for installing self-orienting wheel supports 2 in them. The front legs 31 are fastened together by a crossbar 34 and converge in the direction of movement of the trolley, and the rear legs are separated from each other at a significant distance and are connected from above by a trapezoidal platform 35 for structural interconnection with the trapezoidal base 16 of the bottom 4 of the basket 3. The front part of the short side walls 36 of the platform 35 protrudes above the long wall 37 forward in the direction of movement of the trolley to position the basket 3 at a certain angle to the horizontal. The wall 37 is made with the rear wall 38 in the same horizontal plane. Inside, platform 35 is equipped with a frame with long 39 and short 40 stiffening ribs with eight bushings 41 mounted in them with square holes turning into round ones.The lower part of the frame is made flush with the lower part of the platform 35, and the upper part is recessed into it to allow installation of a mating trapezoidal base 16 of the bottom 4 of the basket 3. The base 16 of the bottom 4 of the basket 3 is fastened with self-tapping screws to the platform 35 of the spatial frame 1 by means of plastic spacers with beveled heads, bushings 19 of the base 16 of the bottom 4 and bushings 41 of the platform 35 of the frame 1.

[0016] Each cylindrical bracket 33 of the reinforced frame 1 for fastening each self-orienting wheel support 2 with an axle 42, equipped with, for example, a hexagonal head 43, is equipped inside with a cylindrical sleeve 44 with a hexagonal end 45 at the bottom and is equipped in the upper part with a shaped hole 46 for the head 43 of the axle 42.

[0017] Each self-orienting wheel support 2 consists of a fork 47 with a bearing, a protective cap 48 with a bushing 49 inside and a hexagonal head 50 outside, as well as a plastic wheel 51 with side - left and right - plugs 52, 53. The fastening of each wheel 51 assembled with plugs 52, 53 to the fork 47 is carried out by an axle 54.

[0018] The hexagonal end 45 of the sleeve 44 of each bracket 33 of the frame 1 is an element that prevents the rotation of the protective cap 48 of the bearing of each fork 47, equipped with a hexagonal head 50, and the shaped hole 46 is the head 43 of the axle 42.

[0019] The self-orientation of each wheel support is achieved by shifting the rotation axis 54 of each wheel 51 from the rotation axis 42 of the wheel support in the horizontal plane; it should be at least 20 mm, maximum 70 mm.

[0020] The proposed plastic shopping cart is corrosion-resistant, lightweight, compact, durable, and highly robust. This is achieved by the basket, with its reinforced trapezoidal base, cantilevering at a slight angle to the horizontal within a similarly reinforced platform of a reinforced spatial frame equipped with four legs with casters and secured with spacers with beveled heads. The proposed combination of features increases the shopping cart's service life and performance. The developed utility model is industrially applicable.

[0021] SOURCES OF INFORMATION

[0022] 1. GOST 5 8174-2018. Shopping trolleys. Technical conditions. - M.: FSUE "Standartinform", 2018. - 27 p.

[0023] 2. Patent 2705467 RU, IPC B62B 3 / 02; B62B 3 / 18. Shopping trolley for supermarkets and their analogues / MILLAN FERNANDEZ Javier (ES). - 2017138084; declared 21.04.2016; published 07.11.2019, B.I. No. 31.

[0024] 3. Patent 138432 RU, IPC V62 VZ / 14. Trolley for shopping and advertising / Antonenko R.V. (RU), Nesterov K.B. (RU). - 2013142071 / 11; declared 09 / 13 / 2013; published 03 / 20 / 2014, B.I. No. 8.

[0025] 4. Patent 213026 RU, MPK V63V 5 / 24. Shopping trolley with a folding child seat / Bakhtiarov V.V. (RU), Ponomarev M.V. (RU), Ostrovsky F.V. (RU), Volkov A.S. (RU), Zharkova A.V. (RU), Bakhtiarova T.A. (RU). - 2022117490; declared 06 / 28 / 2022; published 08 / 19 / 2022, B.I. No. 23.

Claims

A shopping trolley made of polymeric materials, consisting of a frame with wheel supports and a basket with a push handle, containing a bottom, rear, side and front walls, characterized in that the basket, the trapezoidal bottom of which is provided at the back with a base reinforced with stiffening ribs with square-section bushings, is mounted with a console at a small angle to the horizontal inside a reinforced similar platform of the spatial frame with wheel supports and is secured by means of spacers with beveled heads, the reinforced frame has four support legs with cylindrical brackets for installing wheel supports with wheels in them, the front of which are fastened together by a crossbar, and the rear ones are connected from above by a base reinforced with stiffening ribs with bushings with square holes turning into round ones.

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