CN210363922U

CN210363922U - Portable and convenient-to-use foldable shopping cart

Info

Publication number: CN210363922U
Application number: CN201921106204.8U
Authority: CN
Inventors: 张钦培
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-21
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a foldable shopping cart convenient for carrying and use, which comprises a shopping bag, a flat car for loading the shopping bag and a pull rod for pulling the flat car to move, wherein an upright rod seat is hinged at the rear side of the flat car through a lock control hinge, and the rod seat can rotate 90 degrees to turn over on the top surface of the flat car; a pull rod with a shell seat fixed at the top is telescopically arranged on the rod seat, a lock control at the front part of the shell seat is pivotally connected with a hanging rod for hanging the opening edge of the shopping bag, a lock control at the rear part of the shell seat is pivotally connected with a handrail, and the hanging rod and the handrail can be folded by turning down for 90 degrees; the rod seat is turned upwards by 90 degrees and unfolded and locked, the pull rod is pulled to lift the shell seat, the hanging rod and the handrail, and the shell seat, the hanging rod and the handrail are all turned upwards by 90 degrees and unfolded and locked, so that the shopping bag is unfolded and the bag opening is pulled to be lifted, and the use is convenient; the pull rod pushes down and reduces the shell seat, and peg and handrail all turn over 90 folding locks down, fold the shopping bag between peg and pole seat, turn over 90 folding locks down on the flatbed again the pole seat for utility model folding back volume reduces and be convenient for accomodate or carry.

Description

Portable and convenient-to-use foldable shopping cart

Technical Field

The utility model relates to a domestic shopping cart for carrying purchased goods, in particular to a foldable shopping cart which is convenient to carry and use.

Background

The shopping cart used in the existing household life is basically composed of a cloth shopping bag and a trolley for bearing the shopping bag, for example, a household dual-purpose shopping cart disclosed in the Chinese utility model (CN208344291U) comprises a common cloth bag trolley, a storage bag 2 of the common cloth bag trolley is arranged at the front side of a main frame 1, and a main wheel 3 is arranged at the lower part of the main frame 1; the rear side of a main frame 1 is provided with a swing connection device which is composed of an auxiliary frame 4, a positioning connecting rod 5, a connecting rod 6 and a wheel mounting frame 7 provided with an auxiliary wheel 8, one end of the positioning connecting rod 5 is hinged on the main frame 1, the other end of the positioning connecting rod 5 is hinged with a positioning sleeve 9 which is sleeved on the connecting rod 6 in a sliding manner, the included angle between the auxiliary frame 4 and the main frame 1 is adjusted by adjusting the positioning sleeve 9 and locking the position on the connecting rod 6, and the stability of the cloth bag trolley is improved; when the home-use shopping cart is not used, although the sub-frame 4 and the main frame 1 can be folded to reduce the housing space, the problems still exist, such as: the main frame 1 and the storage bag 2 of the common cloth bag pull rod car can not be folded, and the pull rod of the main frame 1 can not stretch out and draw back and can not be folded, so that the household dual-purpose shopping car can occupy a large space when being stored and stored, and can not be plugged into a trunk of the common car at times or even, and inconvenience in carrying and using is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model aims to provide a carry with convenient to use's collapsible shopping cart, it expandes to use, folding accomodates or carries all very conveniently to it is folding back small and makes to accomodate and carry more easily.

In order to achieve the above object, the utility model provides a carry and convenient to use's collapsible shopping cart, including a shopping bag, a flatbed that loads the shopping bag and a pull rod that pulls the flatbed and remove, its characterized in that: an upright rod seat is hinged at the rear side of the flat car through a lock control hinge, and the rod seat can rotate forwards by 90 degrees, fall over and be folded on the top surface of the flat car; the pull rod is telescopically arranged on the rod seat, and a shell seat which can be lifted along with the extension of the pull rod is fixed at the top of the pull rod; the front lock of the shell seat is pivotally connected with a hanging rod for hanging the opening edge of the shopping bag, the rear lock of the shell seat is pivotally connected with a handrail for pushing and pulling by a hand, and the hanging rod and the handrail can be turned over and folded by rotating 90 degrees downwards from the horizontal direction in opposite directions.

The utility model discloses a respectively be equipped with a directive wheel about the front portion of flatbed bottom surface, respectively be equipped with an universal wheel about the rear portion, the roof that sets up on the flatbed is used for bearing shopping bag bottom.

The pull rod of the utility model comprises two first sleeves and a U-shaped rod which is sleeved with the two first sleeves in a sliding way, and the shell seat is fixedly connected with the upper part of the U-shaped rod; the rod seat comprises two second sleeves for inserting the first sleeves to be slidably sleeved to be matched with the first sleeves in a telescopic mode, the upper transverse pipe and the lower transverse pipe are fixedly connected with the top end and the bottom end of the second sleeves respectively, and the square pipe at the bottom of the rod seat is connected with the lock control hinge.

The lock-control hinge of the utility model comprises a first hinge piece fixed at the rear side of the flat car and a second hinge piece fixed at the bottom surface of the square tube at the bottom of the rod seat, wherein the first hinge piece and the second hinge piece are hinged through a hinge shaft; the lock control hinge also comprises a lock pin which can movably insert the first hinge plate and the second hinge plate so as to prevent the first hinge plate and the second hinge plate from rotating relatively, and a bolt which can lock the second hinge plate on the back of the flat car.

The first hinge plate above the hinge shaft of the utility model is provided with a reference hole, and the second hinge plate is provided with a first locking hole and a second locking hole at intervals in the rotating direction; when the rod seat is upright, the first lock position hole is aligned with the reference hole so as to be used for serially connecting and locking the lock pin, and a screw rod of the bolt can be in threaded connection with a nut fixedly connected with the rear of the flat car; the rod seat rotates forwards by 90 degrees, falls down and is folded on the top surface of the flat car, and when the bolt is separated from the flat car, the second locking hole is aligned with the reference hole so as to be used for serially connecting and locking the locking pin.

The head end of the lock pin of the utility model is provided with a tying hole, and the tail end of the lock pin is connected with a marble; one end of a tie is fixed on the tie hole and the other end is fixed on the outer end of the hinge shaft.

The utility model discloses a shell seat bottom still connects dress has two bullet pins to peg, handrail rotation portion locking or unblock respectively, and the peg revolves to the interval upward and is equipped with can expand position hole and a peg folding position hole with a peg of bullet pin complex, and the handrail revolves to the interval upward and is equipped with can expand position hole and a handrail folding position hole with a bullet pin complex handrail.

The utility model discloses an bullet round pin includes one and connects fixed swivel nut and one by the location end of bullet round pin actuating with shell seat bottom screw dress, but location end business turn over peg expansion position hole, peg folding position hole, handrail expansion position hole or handrail folding position hole.

The front part of the hanging rod of the utility model is provided with a gap which can be used for opening the shopping bag mouth and is sleeved and fixed on the hanging rod; the back part of the handrail is sleeved with an anti-skid sleeve which can be grasped by hands.

The utility model has the advantages as follows:

① the rod seat is turned up by 90 degrees to be unfolded and locked, the pull rod is pulled to lift the shell seat, the hanging rod and the handrail are all turned up by 90 degrees to be unfolded and locked, so that the utility model can be unfolded, and simultaneously, the shopping bag is unfolded and the bag mouth is pulled to be lifted, thereby being very convenient to use;

② draw bar pushes down and reduces the shell seat, and peg and handrail all turn over 90 folding locks down, fold the shopping bag between peg and rod seat, turn over 90 folding locks down on the flatbed again the rod seat for utility model's volume after folding reduces greatly, accomodates or carries more conveniently.

Drawings

Fig. 1 is an exploded schematic view of the three-dimensional structure of the assembly of the shopping bag and the frame in the unfolded state of the utility model.

Fig. 2 is a schematic view of the front perspective structure of the present invention in the unfolded state.

Fig. 3 is a schematic view of the rear-view three-dimensional structure of the utility model in the unfolded state.

Fig. 4 is a schematic view of the bottom perspective structure of the present invention in the unfolded state.

Fig. 5 is an exploded view of the three-dimensional assembly structure of the shell seat, the hanging rod, the armrest and the spring pin of the present invention.

Fig. 6 is a perspective view of the structure of the hanging rod and the handrail of the present invention spreading on the shell seat.

Fig. 7 is a schematic view of the unlocked three-dimensional structure of the present invention in the folded state.

Fig. 8 is a schematic view of the locked three-dimensional structure in the folded state of the present invention.

Fig. 9 is a schematic view of the three-dimensional structure of the present invention in which the bolt and the nut are separated from each other in the folded state.

Fig. 10 is a comparative effect diagram of the switching between the folded state and the unfolded state of the present invention.

The figures in the drawings are identified as: 10. shopping bags; 11. a mouth edge; 20. flatbed vehicle; 21. a directional wheel; 22. a universal wheel; 23. a top plate; 24. a nut; 30. a pull rod; 31. a first sleeve; a U-shaped bar; 40. a rod seat; 41. a second sleeve; 42. a transverse tube; 43. a square tube; 50. a lock control hinge; 51. a first hinge piece; 511. a reference hole; 52. a second hinge plate; 521. a first capture aperture; 522. a second capture aperture; 53. a hinge shaft; 54. a lock pin; 540. a tie strap; 541. tying a hole; 542. a marble; 55. a bolt; 551. a screw; 60. a housing base; 601. a screw hole; 61. a hanging rod; 611. a notch; a pole deployed position hole; 61B, hanging rod folding position holes; 62. a handrail; 621. an anti-slip sleeve; 62a handrail deployment position aperture; 62B, handrail folding position holes; 63. a spring pin; 630. a threaded sleeve; 6301. an outer coil; 631. and (6) positioning the end.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

A foldable shopping cart for carrying and using convenience as shown in fig. 1 to 4, comprising a shopping bag 10, a flatbed 20 for loading the shopping bag 10, and a drawbar 30 for pulling the movement of the flatbed 20, an upright pole socket 40 is hinged to the rear side of the flatbed 20 by a lock hinge 50, the pole socket 40 can be turned forward by 90 ° to be turned down and folded on the top surface of the flatbed 20; the pull rod 30 is telescopically arranged on the rod seat 40, and the top of the pull rod 30 is fixed with a shell seat 60 which can be lifted along with the extension of the pull rod; a hanging rod 61 for hanging the opening edge 11 of the shopping bag 10 is pivotally connected with a lock at the front part of the shell base 60, a handrail 62 for pushing and pulling by a hand is pivotally connected with a lock at the rear part of the shell base 60, a notch 611 is arranged at the front part of the hanging rod 61, the notch 611 can be used for the opening edge 11 of the shopping bag 10 to be propped open and is sleeved and fixed on the hanging rod 61, and an anti-skid sleeve 621 which can be used for being grasped by the hand is sleeved and connected at the rear part of the handrail 62; the hanging rod 61 and the handrail 62 can be turned over and folded by rotating 90 degrees downwards from the horizontal direction oppositely.

As shown in fig. 1-4, the flat car 20 of the present invention has a directional wheel 21 on the left and right of the front part and a universal wheel 22 on the left and right of the rear part, the top plate 23 on the flat car 20 is used for supporting the bottom of the shopping bag 10, and the universal wheel 22 can be a wheel with a foot brake.

The following introduces the folding structure and functions of the utility model:

as shown in fig. 1 to 4 and fig. 6 to 10, the pull rod 30 of the present invention comprises two first sleeves 31 and a U-shaped rod 32 slidably sleeved with the two first sleeves 31, wherein the rod seat 40 comprises two second sleeves 41 for the first sleeves 31 to be inserted into and slidably sleeved to be telescopically engaged, and two upper and lower horizontal tubes 42 are respectively fixedly connected to the top and bottom ends of the second sleeves 41; the shell base 60 is fixedly connected to the upper part of the U-shaped rod 32; the square tube 43 at the bottom of the lever base 40 is connected to the lock hinge 50. The pull rod 30 can be lifted on the rod seat 40 to lift the shell seat 60, so that the hanging rod 61 and the handrail 62 can be lifted or lowered together with the shell seat 60, the heights of the hanging rod 61 and the handrail 62 can be adjusted, and the opening edge 11 and the handrail 62 of the shopping bag 10 can be adjusted to be proper heights together, so that the utility model is suitable for shoppers with different heights to use; after peg 61, handrail 62 overturn rotatory 90 folding from top to bottom at shell seat 60, reduce shell seat 60 height through compression under pull rod 30, make shopping bag 10 folded between before peg 61 and rod seat 40 back, then turn down 90 folding on flatbed 20 of falling through lock control hinge 50 to rod seat 40, can the utility model discloses a folding, with the significantly reduced the utility model discloses a volume makes the utility model discloses folding back is convenient for the shopper to carry and accomodate. When the utility model is required to be unfolded for use, the operation is reversed according to the above description.

The following introduces the folding and unfolding lock control structure and function of the utility model:

as shown in fig. 1, 3, 4 and 7-9, the lock-control hinge 50 of the present invention includes a first hinge plate 51 fixed to the rear side of the flat car 20 and a second hinge plate 52 fixed to the bottom surface of the square tube 43 at the bottom of the rod seat 40, wherein the first hinge plate 51 and the second hinge plate 52 are hinged by a hinge shaft 53; the lock-control hinge 50 further includes a locking pin 54 for movably inserting the first hinge piece 51 and the second hinge piece 52 so that they cannot rotate relative to each other, and a bolt 55 for locking the second hinge piece 52 to the rear surface of the flat car 20.

The method comprises the following steps: a reference hole 511 is arranged on the first hinge plate 51 above the hinge shaft 53, and a first locking hole 521 and a second locking hole 522 are arranged on the second hinge plate 52 at intervals in the rotating direction; when the rod seat 40 is unfolded and erected on the flat car 20, the lock pin 54 is inserted into the first locking hole 521 aligned in series and locked with the reference hole 511, and the screw 551 of the bolt 55 is in threaded connection and locked with the nut 24 fixedly connected with the rear surface of the flat car 20, so that the rod seat 40 can be vertically locked and fixed on the flat car 20; as shown in fig. 4 and 9, after the screw 551 of the bolt 55 and the nut 24 at the rear of the flat car 20 are reversely rotated and unlocked, the bolt 55 is disengaged from the flat car 20, the rod base 40 is rotated forward by 90 ° and folded on the top surface of the flat car 20, the second locking hole 522 is aligned with the reference hole 511, and the locking pin 54 is connected in series with the second locking hole 522 and the reference hole 511, so that the rod base 40 folded on the flat car 20 can be locked.

As shown in fig. 1, 7 and 8, the head end of the lock pin 54 of the lock-control hinge 50 of the present invention is provided with a fastening hole 541, the tail end of the lock pin 54 is attached with a ball 542, one end of a fastening band 540 is fixed on the fastening hole 541 and the other end is fixed on the outer end of the hinge shaft 53; the locking pin 54 is relatively fixedly arranged at the outer end of the hinge shaft 53 through the lace 540, so that the locking pin 54 can be ensured not to be lost, the marble 542 can be compressed into the diameter surface of the locking pin 54 by the wall of the hole when the locking pin 54 is punched, after the locking pin 54 is punched by the hole, the marble 542 can pop out of the diameter surface of the locking pin 54 to clamp the outer wall of the reference hole 511 for temporary axial limiting, and certain force is required to be applied when the locking pin 54 is inserted into or withdrawn from the reference hole 511, the first locking hole 521 and the second locking hole 522 so as to prevent the locking pin 54 from being loosened from the reference hole and the locking hole in the using.

As shown in fig. 1 to 3, 5 and 6, the bottom of the shell base 60 of the present invention is further connected with two elastic pins 63 for locking or unlocking the rotating parts of the hanging rod 61 and the armrest 62, the hanging rod 61 is provided with a hanging rod unfolding position hole 61A and a hanging rod folding position hole 61 at an interval in the upward direction, the hanging rod can be matched with the elastic pins 63, the armrest 62 is provided with an armrest unfolding position hole 62A and an armrest folding position hole 62B at an interval in the upward direction, the armrest can be matched with the elastic pins 63; the spring pin 63 includes a fixed threaded sleeve 630 attached to a threaded hole 601 in the bottom of the housing base 60 and a locating end 631 actuated by the spring pin 63, the locating end 631 being accessible from the hanger extended position hole 61A, the hanger folded position hole 61B, the armrest extended position hole 62A or the armrest folded position hole 62B.

As shown in fig. 5 and 6, after the hanging rod 61 is turned up by 90 °, the corresponding elastic pin 63 is released to allow the positioning end 631 to be inserted into the hanging rod unfolding position hole 61A and locked; pulling the elastic pin 63 makes the positioning end 631 exit the hanging bar unfolding position hole 61A, the hanging bar 61 is turned over downwards by 90 degrees to align the hanging bar folding position hole 61B with the positioning end 631, and the positioning end 631 is automatically inserted into the hanging bar folding position hole 61B to be locked under the elastic force of the elastic pin 63, so that the hanging bar 61 is locked in the unfolding or folding position state.

As shown in fig. 5 and 6, after the armrest 62 is turned up by 90 °, the corresponding elastic pin 63 is released to allow the positioning end 631 to be inserted into the armrest extended position hole 62A and locked; the elastic pin 63 is pulled to enable the positioning end 631 to exit the armrest unfolding position hole 62A, the armrest 62 is turned downwards by 90 degrees, the armrest folding position hole 62B and the positioning end 631 can be aligned, and the positioning end 631 is automatically inserted into the armrest folding position hole 62B to be locked under the elastic force action of the elastic pin 63, so that the state locking of the armrest 62 in the unfolding or folding position is realized.

The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and are defined by the claims.

Claims

1. A foldable shopping cart for carrying and using, comprising a shopping bag (10), a cart (20) for loading the shopping bag (10), and a drawbar (30) for pulling the cart (20) to move, characterized in that:

an upright pole base (40) is hinged at the rear side of the flat car (20) through a lock control hinge (50), and the pole base (40) can be turned forwards by 90 degrees and folded on the top surface of the flat car (20);

the pull rod (30) is telescopically arranged on the rod seat (40), and a shell seat (60) which can be lifted along with the telescopic action of the pull rod (30) is fixed at the top of the pull rod (30);

the front part of the shell seat (60) is locked and pivotally connected with a hanging rod (61) used for hanging the opening edge (11) of the shopping bag (10), the rear part of the shell seat (60) is locked and pivotally connected with a handrail (62) used for being pushed and pulled by a hand, and the hanging rod (61) and the handrail (62) can be turned over and folded by rotating 90 degrees downwards from the horizontal direction in opposite directions.

2. A portable and user friendly collapsible shopping cart as claimed in claim 1, wherein: the left and the right of the front part of the bottom surface of the flat car (20) are respectively provided with a directional wheel (21), the left and the right of the rear part are respectively provided with a universal wheel (22), and a top plate (23) arranged on the flat car (20) is used for supporting the bottom of the shopping bag (10).

3. A portable and user friendly collapsible shopping cart as claimed in claim 1, wherein:

the pull rod (30) comprises two first sleeves (31) and a U-shaped rod (32) which is in sliding sleeve joint with the two first sleeves (31) in a telescopic matching way, and the shell seat (60) is fixedly connected to the upper part of the U-shaped rod (32);

the rod seat (40) comprises two second sleeves (41) which are used for inserting the first sleeves (31) into, sliding and sleeving to be matched with each other in a telescopic mode, the upper transverse tube (42) and the lower transverse tube (42) are fixedly connected with the top end and the bottom end of the second sleeves (41) respectively, and the square tube (43) at the bottom of the rod seat (40) is connected with the lock control hinge (50).

4. A portable and user friendly collapsible shopping cart as claimed in claim 3, wherein: the lock-control hinge (50) comprises a first hinge piece (51) fixed at the rear side of the flat car (20) and a second hinge piece (52) fixed at the bottom surface of the bottom square tube (43) of the rod seat (40), and the first hinge piece (51) and the second hinge piece (52) are hinged through a hinge shaft (53); the lock control hinge (50) further comprises a lock pin (54) which can movably insert the first hinge piece (51) and the second hinge piece (52) so as to prevent the first hinge piece and the second hinge piece from rotating relatively, and a bolt (55) which can lock the second hinge piece (52) on the rear surface of the flat car (20).

5. A portable and user-friendly collapsible shopping cart as recited in claim 4, further comprising: a reference hole (511) is arranged on the first hinge piece (51) above the hinge shaft (53), and a first locking hole (521) and a second locking hole (522) are arranged on the second hinge piece (52) at intervals in the rotating direction; when the rod seat (40) is erected, the first locking hole (521) is aligned with the reference hole (511) to enable the locking pin (54) to be connected in series and locked, and a screw rod (551) of the bolt (55) can be in threaded connection with a nut (24) fixedly connected with the rear surface of the flat car (20); the rod seat (40) rotates forwards by 90 degrees, falls down and is folded on the top surface of the flat car (20), and when the bolt (55) is separated from the flat car (20), the second locking hole (522) is aligned with the reference hole (511) so as to allow the lock pin (54) to be connected in series and locked.

6. A portable and user-friendly collapsible shopping cart as recited in claim 5, further comprising: the head end of the lock pin (54) is provided with a tying hole (541), and the tail end of the lock pin (54) is provided with a marble (542); a lace (540) is fixed at one end to the lacing hole (541) and at the other end to the outer end of the hinge shaft (53).

7. A portable and user friendly collapsible shopping cart as claimed in claim 3, wherein: the bottom of the shell seat (60) is also provided with two elastic pins (63) which are respectively used for locking or unlocking the hanging rod (61) and the rotating part of the handrail (62), the hanging rod (61) is provided with a hanging rod unfolding position hole (61A) and a hanging rod folding position hole (61B) which can be matched with the elastic pins (63) at intervals in the rotating direction, and the handrail (62) is provided with a handrail unfolding position hole (62A) and a handrail folding position hole (62B) which can be matched with the elastic pins (63) at intervals in the rotating direction.

8. A portable and user-friendly collapsible shopping cart as recited in claim 7, further comprising: the spring pin (63) comprises a fixed threaded sleeve (630) which is connected with a threaded hole (601) at the bottom of the shell seat (60) and a positioning end (631) actuated by the spring pin (63), and the positioning end (631) can enter and exit the hanging bar unfolding position hole (61A), the hanging bar folding position hole (61B), the handrail unfolding position hole (62A) or the handrail folding position hole (62B).

9. A portable and user friendly collapsible shopping cart as claimed in claim 1, wherein: the front part of the hanging rod (61) is provided with a gap (611), and the gap (611) can be used for the opening edge (11) of the shopping bag (10) to be spread and is sleeved and fixed on the hanging rod (61); the back part of the handrail (62) is sleeved with an anti-slip sleeve (621) which can be grasped by human hands.