CN210882265U - Shopping cart - Google Patents

Abstract

The utility model provides a can alleviate the shopping cart that promotes the power when a plurality of nested shopping carts. The shopping cart (1) in front and the shopping cart (1) in rear can be nested by accommodating the front part (8) in the recess (9), the shopping cart is provided with a lifting mechanism (12), the lifting mechanism (12) keeps the state that the rear wheel (11b) is lifted from the ground (5) in linkage with the nesting action of accommodating the front part (8) in the recess (9), and the lifting mechanism (12) enables the rear wheel (11b) to land on the ground (5) in linkage with the nesting releasing action of separating the front part (8) from the recess (9).

Description

Shopping cart

Technical Field

The utility model relates to a shopping cart that can be nested.

Background

Conventionally, in supermarkets and the like, in order to save space at a cart placement point, a plurality of shopping carts are arranged in a nested manner in front and rear. For the shopping cart returned to the desired position by the customer, the worker carries a plurality of shopping carts to the specified position in a nested state. Patent documents 1 to 4 propose shopping carts arranged in an insertion manner so that a plurality of shopping carts can be nested one behind the other.

Documents of the prior art

Patent document

Patent document 1: japanese laid-open patent publication No. 2009 and 051410

Patent document 2: japanese patent laid-open publication No. 2016-210223

Patent document 3: japanese patent laid-open publication No. 2016-517822

Patent document 4: japanese patent laid-open publication No. 2017-124727

However, when the shopping carts described in patent documents 1 to 4 are transported in a plurality of nested states, since each shopping cart is transported in a state where 4 wheels in total, i.e., the front wheels and the rear wheels, are in contact with the floor surface, the contact resistance with the floor surface as a whole becomes large, and a large force is required to push the plurality of nested shopping carts.

SUMMERY OF THE UTILITY MODEL

Problem to be solved by utility model

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a shopping cart that can reduce the force for pushing a plurality of nested shopping carts.

Means for solving the problems

In order to achieve the above object, a typical structure of a shopping cart according to the present invention is a shopping cart in which a recess opened rearward is formed by left and right side plates of a body portion and a front portion connecting the side plates to each other in a front direction, and the front portion of a shopping cart in a rear direction is inserted into the recess of the shopping cart in the front direction so as to be able to be nested therein, the shopping cart including: front and rear wheels provided at the bottom of the vehicle body portion; and a lifting unit of the rear wheel, which maintains the state of lifting the rear wheel from the ground in linkage with the nesting action of accommodating the front part in the concave part, and lands the rear wheel on the ground in linkage with the nesting release action of separating the front part from the concave part.

Effect of the utility model

According to the utility model discloses, can alleviate the power when promoting a plurality of nested shopping cart.

Drawings

Fig. 1(a) is a perspective view showing a structure of a first embodiment of a shopping cart according to the present invention. Fig. 1(b) is a perspective view showing the structure of the engaged portion of the first embodiment.

Fig. 2(a) is a bottom view showing the structure of the shopping cart of the first embodiment. Fig. 2(b) is a perspective view showing a shopping cart according to the first embodiment in which a shopping basket is placed on a basket placing portion.

Fig. 3(a) is a side view showing a state immediately before two shopping carts are nested in the first embodiment. Fig. 3(b) is a side view showing a state in which the engaging portion abuts against the inclined surface of the engaged portion in the middle of the two shopping carts nested in the first embodiment.

Fig. 4(a) is a side view showing a state where two shopping carts are nested and the engaging portion abuts against the holding portion of the engaged portion to hold the rear wheel lifted from the floor surface in the first embodiment. Fig. 4(b) is a side view showing a state in which 4 shopping carts are nested and transported in the first embodiment.

Fig. 5(a) is a perspective view showing a first shaft member and a second shaft member of the second embodiment. Fig. 5(b) is a bottom view showing the structure of the shopping cart of the second embodiment.

Fig. 6(a) is a side view showing a state immediately before two shopping carts are nested in the second embodiment. Fig. 6(b) is a side view showing a state in which two shopping carts are nested and the inclined shaft of the second shaft member abuts on the horizontal shaft of the first shaft member to hold the rear wheel lifted from the floor surface in the second embodiment.

Fig. 7(a) is a perspective view showing a plate-like member and a shaft member of the third embodiment. Fig. 7(b) is a side view showing a state immediately before two shopping carts are nested in the third embodiment. Fig. 7(c) is a side view showing a state in which two shopping carts are nested and the lateral axis of the shaft member abuts against the inclined plate of the plate-shaped member to hold the rear wheel lifted from the floor surface in the third embodiment.

Fig. 8(a) and (b) are perspective views showing the structure of a shopping cart according to the fourth embodiment.

Fig. 9(a) and (b) are side views showing the structure of the shopping cart according to the fourth embodiment.

Fig. 10(a) and (b) are perspective views showing the structure of the shopping cart according to the fifth embodiment.

Fig. 11(a) and (b) are side views showing the structure of the shopping cart according to the fifth embodiment.

Description of reference numerals:

w1 … width between the longitudinal frames 3;

w2 … width of front portion 8;

1 … shopping cart;

2 … left and right side plates;

2a … support portion;

2b … bottom surface;

2c … outer side;

2d … medial side;

3 … longitudinal frame;

3a … second grip;

4 … transverse frame;

4a … first grip (handle for children);

5 … ground;

6 … side guard;

7 … front guard;

8 … front part;

8a … bumper;

8b … front handle;

9 … recess;

10 … shopping baskets;

10a … upper end;

11a … front wheel;

11b … rear wheel;

12 … lifting mechanism (lifting unit);

13 … engagement portion (contact portion);

14 … is clamped;

15 … inclined plane;

16 … holding part;

21 … a first shaft member;

21a, 21b … a pair of longitudinal axes;

21c … transverse axis (abutment);

22 … a second shaft member;

22a … first longitudinal axis;

22b … second longitudinal axis;

22c … inclined axis (slope);

22d, 22e … fixed axles;

31 … plate-like member;

31a … longitudinal plates;

31b … inclined plate (inclined surface);

31c … securing the plate;

a 32 … shaft member;

32a, 32b … longitudinal axis;

32c … transverse axis (abutment);

41 … seats for children;

41a … seat surface;

41b … backrest;

41c … seat belt;

41a1, 41b1 … pad;

42 … rotating the shaft;

43 … toys for children;

43a … round steering wheel;

43b … switching lever;

43c … dial;

44 … hook portion;

45 … rotating the shaft;

46 ….

Detailed Description

An embodiment of the shopping cart of the present invention will be specifically described with reference to the accompanying drawings.

[ first embodiment ]

First, the structure of a first embodiment of a shopping cart 1 according to the present invention will be described with reference to fig. 1 to 4. The shopping cart 1 shown in fig. 1 to 4 is an example of a shopping cart 1 that can be used by both parents and children to enjoy shopping by pushing the same shopping cart 1. As shown in fig. 2(b), the shopping cart 1 includes: substantially V-shaped side plates 2 which constitute left and right side plates 2 of the vehicle body portion and on which shopping baskets 10 can be placed; and a pair of left and right vertical frames 3 supported by a pair of support portions 2a provided on both sides of the rear portion of the side plate 2.

At the bottom of the side plate 2, 4 (plural) wheels constituting two (plural) front wheels 11a and two (plural) rear wheels 11b are provided. Two rear wheels 11b of the 4 wheels are disposed on an extension line of the lower end portion of each vertical frame 3. The front wheel 11a can rotate 360 ° in the traveling direction about a vertical axis, not shown. On the other hand, the traveling direction of the rear wheel 11b is fixed only in the front-rear direction. The pair of left and right vertical frames 3 are disposed behind the side plates 2. A horizontal frame 4 is provided at a position higher than an upper end portion 10a of the shopping basket 10 placed on the side plate 2 at a middle portion in the vertical direction of each vertical frame 3, and the horizontal frame 4 connects the pair of vertical frames 3 in the horizontal direction.

The lateral frame 4 is provided with a first grip 4a that is about 3 years old and can be gripped by an infant. The first grip 4a is configured as a handle for a child. Second grips 3a that can be gripped by an adult are provided at positions higher than the first grips 4a of the vertical frames 3. Each vertical frame 3 is provided with a pair of side guards 6, and the pair of side guards 6 extend forward from the vertical frame 3 to prevent the shopping basket 10 placed on the side plate 2 from coming off.

A front guard 7 is provided in front of the side plate 2, and the front guard 7 prevents the shopping basket 10 placed on the side plate 2 from coming off. A front portion 8 is provided in front of the side panel 2, and the front portion 8 has a width W2 narrower than a width W1 between the pair of left and right vertical frames 3 shown in fig. 2. The front portion 8 is provided with a bumper 8a for cushioning an impact at the time of collision. A recess 9 opened rearward is provided between each vertical frame 3 and the side plate 2 so as to be able to insert and accommodate the front portion 8.

The front shopping cart 1 and the rear shopping cart 1 are nested in each other by inserting and housing the front portion 8 of the rear shopping cart 1 into the recess 9 of the front shopping cart 1. Note that Nesting refers to an insertion structure. This enables a plurality of shopping carts 1 to be stored in a narrow space, and shopping carts 1 returned to a desired position by a customer can be transported to a predetermined position in a nested state.

< lifting mechanism >

As shown in fig. 4(a) and (b), an elevating mechanism 12 as elevating means is provided, and the elevating mechanism 12 keeps the rear wheel 11b lifted from the floor 5 in conjunction with the nesting operation of accommodating the front portion 8 in the recess 9, and the elevating mechanism 12 lands the rear wheel 11b on the floor 5 in conjunction with the nesting release operation of releasing the front portion 8 from the recess 9.

As shown in fig. 1(a), the lifting mechanism 12 of the present embodiment includes: an engaging portion 13 that protrudes from an outer surface 2c near the bottom surface 2b of the side plate 2 toward the outside of the shopping cart 1 at an intermediate portion between the front wheel 11a and the rear wheel 11b to form a pair of left and right contact portions; and a pair of left and right engaged portions 14 in which groove portions cut from the bottom surface 2b to the inner surface 2d of the side plate 2 are formed in the vicinity of the rear wheel 11b, and the pair of left and right engaging portions 13 are inserted and removed. The pair of left and right engaging portions 13 are formed by flat plate-shaped flange portions protruding from the outer side surface 2c toward the outside of the shopping cart 1, the flat plate-shaped flange portions being provided along the outer side surface 2c near the bottom surface 2b of the side plate 2 and extending in the front-rear direction.

As shown in fig. 1Cb), the pair of left and right engaged portions 14 includes inclined surfaces 15 inclined forward and downward, respectively, on which the pair of left and right engaging portions 13 can slide, and holding portions 16 continuous to the inclined surfaces 15 at the front side, respectively, and in contact with the pair of left and right engaging portions 13. Each holding portion 16 is formed of a flat surface substantially parallel to the floor surface 5. The bottom surface 2b of the side plate 2 is also formed of a plane substantially parallel to the floor 5.

As shown in fig. 3(a), the front portion 8 of the shopping cart 1 at the rear is nested so as to be accommodated in the recess 9 (recess) of the shopping cart 1 at the front. When the front portion 8 of the shopping cart 1 behind is accommodated in the recess 9 of the shopping cart 1 in front to some extent, as shown in fig. 3(b), the engaging portion 13 of the shopping cart 1 behind (one side) as an abutting portion abuts against the inclined surfaces 15 of the pair of left and right engaged portions 14 of the shopping cart 1 in front (the other side) and slides, and the rear wheels 11b of the shopping cart 1 in front are lifted from the floor 5 as shown in fig. 4 (a). Thereafter, the engaging portion 13 of the shopping cart 1 in the rear is held by the pair of holding portions 16 of the left and right engaged portions 14 of the shopping cart 1 in the front, and the state in which the rear wheels 11b of the shopping cart 1 in the front are lifted from the floor 5 can be maintained.

In this way, in conjunction with the nesting operation of accommodating the front portion 8 of the rear shopping cart 1 in the recess 9 of the front shopping cart 1, the pair of left and right engaging portions 13 of the rear shopping cart 1 slide on the inclined surfaces 15 of the pair of left and right engaged portions 14 of the front shopping cart 1 to lift the pair of left and right rear wheels 11b of the front shopping cart 1 from the floor 5, and thereafter, the pair of left and right engaging portions 13 of the rear shopping cart 1 are held by the holding portions 16 of the pair of left and right engaged portions 14 of the front shopping cart 1, so that the state in which the pair of left and right rear wheels 11b of the front shopping cart 1 are lifted from the floor 5 can be maintained. As a result, as shown in fig. 4(b), among the plurality of nested shopping carts 1, the pair of left and right rear wheels 11b of the rearmost shopping cart 1 are landed on the floor 5, but the pair of left and right rear wheels 11b of all shopping carts 1 located forward of the rearmost shopping cart 1 are held at positions spaced apart from the floor 5, so that the force when the plurality of nested shopping carts 1 are pushed and transported can be reduced.

Further, when the rearmost shopping cart 1 is drawn out from the plurality of nested shopping carts 1, when the front portion 8 of the rear shopping cart 1 is drawn out and disengaged from the recess 9 of the front shopping cart 1, as shown in fig. 4(a), the pair of left and right engaging portions 13 of the rear shopping cart 1, which are in contact with the holding portions 16 of the pair of left and right engaged portions 14 of the front shopping cart 1, slide on the continuous inclined surface 15 of the holding portion 16, as shown in fig. 3(b), and the pair of left and right engaging portions 13 of the rear shopping cart 1 are disengaged from the pair of left and right engaged portions 14 of the front shopping cart 1, thereby releasing the nesting.

< others >

In the present embodiment, an example of the shopping cart 1 in which the shopping basket 10 is placed on the left and right side plates 2 of the vehicle body portion is described, but the present invention can be similarly applied to the following types of shopping carts 1: a seat for an infant is attached to the front of the vehicle body, and a side guard 6 provided rearward supports a shopping basket 10 at a position of a recess 9 of the vehicle body provided rearward of the vertical frame 3.

[ second embodiment ]

Next, the structure of a second embodiment of the shopping cart of the present invention will be described with reference to fig. 5 and 6. Note that the same members configured in the same manner as those in the first embodiment are given the same reference numerals and are not described, or the same member names are given to the members having different reference numerals and are not described.

< lifting mechanism >

As shown in fig. 5(a), (b) and fig. 6(a), the lifting mechanism 12 of the present embodiment includes: コ -shaped right and left first shaft members 21 projecting downward from the bottom surface 2b of the side plate 2 at intermediate portions of the front wheels 11a and the rear wheels 11 b; and a pair of left and right axle members 22 shaped like コ protruding downward from the bottom surface 2b of the side plate 2 in the vicinity of the rear wheel 11 b. The first shaft member 21 has: a pair of vertical shafts 21a, 21b hanging downward from the bottom surface 2b of the side plate 2; and a horizontal shaft 21c connected to the pair of vertical shafts 21a, 21b, and having a central portion bent outward of the shopping cart 1 to form an abutting portion. The transverse axis 21c is arranged substantially parallel to the ground 5. The vertical shafts 21a and 21b are fixed to a frame member, not shown, provided on the bottom of the side plate 2.

The pair of left and right second shaft members 22 includes: a first vertical axis 22a which is downwardly suspended from the bottom surface 2b of the side plate 2; a second vertical axis 22b which hangs downward from the bottom surface 2b of the side plate 2 forward of the first vertical axis 22a and is longer than the first vertical axis 22 a; and an inclined shaft 22c connected to the first vertical shaft 22a and the second vertical shaft 22b and serving as an inclined portion that can be inclined forward and downward and that can slide on the bent horizontal shaft 21c of the first shaft member 21. The tilting shaft 22c is configured to tilt with respect to the ground 5. Fixed shafts 22d and 22e are orthogonally connected to the first longitudinal shaft 22a and the second longitudinal shaft 22b, respectively. The fixed shafts 22d and 22e are fixed to frame members, not shown, provided on the inner surfaces of the side plates 2.

As shown in fig. 6(a) and (b), in conjunction with the nesting operation of accommodating the front portion 8 of the rear shopping cart 1 in the recess 9 of the front shopping cart 1, the inclined shafts 22c, which are inclined portions, of the pair of left and right second shaft members 22 of the front shopping cart 1 slide on the lateral shafts 21c (contact portions) of the pair of left and right first shaft members 21 of the rear shopping cart 1 to lift the pair of left and right rear wheels 11b of the front shopping cart 1 from the floor 5, and thereafter, the inclined shafts 22c contact the lateral shafts 21c, thereby maintaining the state in which the rear wheels 11b are lifted from the floor 5. When viewed from above the shopping cart 1, the inclined shaft 22c can stably abut against the lateral shaft 21c bent in the shape of "く" and slide on the lateral shaft 21 c. The other structure is the same as that of the first embodiment, and the same effects can be obtained.

[ third embodiment ]

Next, a structure of a third embodiment of the shopping cart of the present invention will be described with reference to fig. 7. Note that the same members configured in the same manner as those in the above embodiments are given the same reference numerals and are not described, or the same member names are given to the members having different reference numerals and are not described.

< lifting mechanism >

As shown in fig. 7(a) and (b), the lifting mechanism 12 of the present embodiment includes: a pair of left and right plate-like members 31 projecting downward from the bottom surface 2b of the side plate 2 at intermediate portions of the front wheels 11a and the rear wheels 11 b; and a pair of left and right shaft members 32 in the shape of コ that project downward from the bottom surface 2b of the side plate 2 in the vicinity of the rear wheel 11 b. The plate-like member 31 has: a vertical plate 31a hanging downward from the bottom surface 2b of the side plate 2; and an inclined plate 31b connected to the vertical plate 31a and bent in the width direction toward the outside of the shopping cart 1, the inclined plate 31b having an inclined surface inclined forward and downward. A fixing plate 31c is perpendicularly connected to the vertical plate 31a, and the fixing plate 31c is fixed to a frame member, not shown, provided at the bottom of the side plate 2.

The pair of left and right shaft members 32 has: a pair of vertical axes 32a, 32b inclined obliquely downward from the bottom surface 2b of the side plate 2; and a horizontal axis 32c that is connected to the pair of vertical axes 32a, 32b and constitutes an abutment portion. The transverse axis 32c is arranged substantially parallel to the ground 5. The vertical shafts 32a and 32b are fixed to a frame member, not shown, provided on the bottom of the side plate 2. The vertical shafts 32a and 32b can also be applied to a member hanging downward from the bottom surface 2b of the side plate 2.

As shown in fig. 7(b) and (c), in conjunction with the nesting operation of accommodating the front portion 8 of the rear shopping cart 1 in the recess 9 of the front shopping cart 1, the lateral shafts 32c of the pair of left and right shaft members 32 of the front shopping cart 1 as contact portions slide on the inclined plates 31b of the pair of left and right plate-shaped members 31 of the rear shopping cart 1 (the other side) to lift the pair of left and right rear wheels 11b of the front shopping cart 1 from the floor 5, and thereafter, the lateral shafts 32c contact the inclined plates 31b, thereby maintaining the state in which the respective rear wheels 11b are lifted from the floor 5. Since the inclined plate 31b is plate-shaped, the lateral shaft 32c can stably come into contact with the inclined plate 31b and slide on the inclined plate 31 b. The other structures are the same as those of the above embodiments, and the same effects can be obtained.

< modification example >

In the third embodiment, as an example of the structure in which the lateral shaft 32c of the shaft member 32 slides on the inclined plate 31b of the plate-shaped member 31, the following configuration may be adopted: a pair of left and right second plate-like portions that protrude downward from the bottom surfaces 2b of the left and right side plates 2 of the vehicle body portion and have abutting portions are provided in place of the shaft members 32, and the abutting portions of the pair of left and right second plate-like portions of the front (one) shopping cart 1 slide on (on) the inclined plates 31b of the pair of left and right plate-like members 31 of the rear (the other) shopping cart 1 to lift the pair of left and right rear wheels 11b of the front shopping cart 1 from the floor 5 in conjunction with the fitting operation of housing the front portion 8 in the recess 9 of the front shopping cart 1, and then the abutting portions abut on the inclined plates 31b, so that the state in which the respective rear wheels 11b are lifted from the floor 5 can be maintained.

[ fourth embodiment ]

Next, a structure of a shopping cart according to a fourth embodiment of the present invention will be described with reference to fig. 8 and 9. Note that the same members configured in the same manner as those in the above embodiments are given the same reference numerals and are not described, or the same member names are given to the members having different reference numerals and are not described.

The shopping cart 1 of the present embodiment is provided with a seat 41 for a child. The seat 41 is provided with a seat surface 41a and a backrest 41 b. As shown in fig. 9(b), in conjunction with the nesting operation of accommodating the front portion 8 of the shopping cart 1 behind in the recess 9 of the shopping cart 1 in front, the backrest 41b is pressed by the front handle 8b, and the upper portion of the backrest 41b and the seat surface 41a are tilted forward around the rotation shaft 42 provided at the lower portion of the backrest 41b integrally. The seat surface 41a and the backrest 41b are provided with gaskets 41a1 and 41b1, respectively. A toy 43 for children is provided in front of the seat 41. The toy 43 for children includes a circular steering wheel 43a imitating a driver's seat, a switching lever 43b, a dial 43c, and the like. In addition, decorations such as characters are applied to the front portion 8, the surfaces of the left and right side plates 2, and the like. The vertical frame 3 is provided with a hook 44 for hooking an article such as a shopping bag. Reference numeral 46 is a support portion made of a cantilever for supporting a shopping basket. Note that, since the lifting means for the rear wheel 11b that holds the state in which the rear wheel 11b is lifted from the floor surface 5 in conjunction with the nesting operation and lands the rear wheel 11b on the floor surface 5 in conjunction with the nesting release operation is the same as that of the second embodiment, a redundant description will be omitted.

In the present embodiment, the shopping cart 1 is provided with decorations such as a child seat 41, a child toy 43, and a character applied to the front portion 8, the surfaces of the left and right side plates 2, and the like, and thus the weight of the shopping cart 1 is further increased. Therefore, when the shopping cart 1 having a large weight is pushed and transported while being nested in a plurality of cases, the rear wheels 11b can be transported in a state of being lifted from the floor surface 5, and the force during transportation is reduced, which is more effective. The other structures are the same as those of the above embodiments, and the same effects can be obtained.

[ fifth embodiment ]

Next, a structure of a fifth embodiment of the shopping cart of the present invention will be described with reference to fig. 10 and 11. Note that the same members configured in the same manner as those in the above embodiments are given the same reference numerals and are not described, or the same member names are given to the members having different reference numerals and are not described.

The shopping cart 1 of the present embodiment is provided with a seat 41 for a child. The seat 41 is provided with a seat surface 41a, a backrest 41b, and a seat belt 41 c. As shown in fig. 11(b), in conjunction with the nesting operation of accommodating the front portion 8 of the shopping cart 1 behind in the recess 9 of the shopping cart 1 in front, the backrest 41b is pressed by the front handle 8b, and the lower portion of the backrest 41b is sprung forward around the rotation shaft 45 provided at the upper portion of the backrest 41 b. The upper edge of the shopping basket can be hooked to and supported by the inner upper end portions of the left and right side plates 2 of the vehicle body portion. Note that, since the lifting means for the rear wheel 11b that holds the state of lifting the rear wheel 11b from the floor surface 5 in conjunction with the nesting operation and lands the rear wheel 11b on the floor surface 5 in conjunction with the nesting release operation is the same as the third embodiment, the overlapping description will be omitted. The other structures are the same as those of the above embodiments, and the same effects can be obtained.

Industrial applicability

As the utility model discloses a use case can be applied to the shopping cart that can nest in supermarket etc..

Claims (15)

1. A shopping cart in which a recess opened rearward is formed by left and right side plates of a body portion and a front portion connecting the side plates to each other in the front direction, and the front portion of a shopping cart in the rear direction is inserted into the recess of a shopping cart in the front direction so as to be able to be nested,

the shopping cart is characterized in that:

front and rear wheels provided at the bottom of the vehicle body portion; and

and a lifting unit of the rear wheel, which maintains a state of lifting the rear wheel from a ground surface in linkage with a nesting action of accommodating the front part in the recess, and lands the rear wheel on the ground surface in linkage with a nesting release action of disengaging the front part from the recess.

2. The shopping cart of claim 1,

the lifting unit is provided with:

a pair of left and right contact portions protruding from outer surfaces of the left and right side plates; and

an engaged portion formed from a bottom surface to an inner side surface of the vehicle body portion, into which the pair of left and right abutting portions are inserted and removed, the engaged portion having an inclined surface on which the pair of left and right abutting portions are slidable, the inclined surface being inclined downward in the front direction,

the contact portion of one of the shopping carts slides on the inclined surface of the other shopping cart in conjunction with a nesting action of housing the front portion in the recess, thereby lifting the rear wheel from the floor surface.

3. The shopping cart of claim 2,

the shopping cart further includes a holding portion that is continuous with the inclined surface on a front side of the inclined surface and holds the abutting portion,

the contact portion of one shopping cart is held by the holding portion of the other shopping cart, and the rear wheel is maintained in a state of being lifted from the floor surface.

4. The shopping cart of claim 1,

the lifting unit is provided with:

a pair of left and right first shaft members having an コ -shape protruding downward from the bottom surface of the vehicle body portion and having contact portions; and

a pair of left and right second shaft members having an コ -shape protruding downward from the bottom surface of the vehicle body portion and having inclined portions,

in conjunction with the nesting operation of housing the front portion in the recess, the inclined portion of one of the shopping carts slides on the abutting portion of the other shopping cart to lift the rear wheel from the floor surface, and thereafter, the rear wheel is kept in a state of being lifted from the floor surface.

5. The shopping cart of claim 1,

the lifting unit is provided with:

a pair of left and right plate-like portions protruding downward from the bottom surface of the body portion and having inclined plates bent toward the outside of the shopping cart; and

a pair of left and right contact portions protruding downward from the bottom surface of the vehicle body portion, having a horizontal axis and formed in an コ -shape,

in conjunction with the nesting operation of housing the front portion in the recess, the contact portion of one of the shopping carts slides on the inclined plate of the other shopping cart to lift the rear wheel from the floor surface, and then the lateral shaft contacts the inclined plate to maintain the rear wheel lifted from the floor surface.

6. The shopping cart of claim 1,

the lifting unit is provided with:

a pair of left and right first plate-like portions protruding downward from the bottom surface of the body portion and having inclined plates bent toward the outside of the shopping cart; and

a pair of left and right second plate-like portions projecting downward from the bottom surface of the vehicle body portion and having contact portions,

in association with the nesting operation of housing the front portion in the recess, the abutting portion of one of the shopping carts slides on the inclined plate of the other shopping cart to lift the rear wheel from the floor surface, and thereafter, the abutting portion abuts against the inclined plate to maintain the state in which the rear wheel is lifted from the floor surface.

7. The shopping cart of claim 1,

the shopping cart is provided with a seat for children.

8. The shopping cart of claim 7,

the seat is provided with a backrest and a backrest,

the upper portion of the backrest tilts forward about a rotation axis provided at a lower portion of the backrest in conjunction with a nesting operation of accommodating the front portion in the recess.

9. The shopping cart of claim 7,

the seat is provided with a backrest and a backrest,

the lower portion of the backrest is sprung forward about a pivot shaft provided at an upper portion of the backrest in conjunction with a nesting operation of accommodating the front portion in the recess.

10. The shopping cart of claim 7,

the seat has a harness.

11. The shopping cart of claim 7,

the seat has a cushion.

12. The shopping cart of claim 1,

the shopping cart is provided with a toy for children.

13. The shopping cart of claim 1,

the shopping cart is provided with a hand push handle for children.

14. The shopping cart of claim 1,

the shopping cart is provided with a bumper at the front portion.

15. The shopping cart of claim 1,

the shopping cart is provided with a hook part for hooking articles.

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