CN210454849U

CN210454849U - Foldable shopping cart

Info

Publication number: CN210454849U
Application number: CN201920231015.7U
Authority: CN
Inventors: 陈昌; 刘海鹏; 刘青春
Original assignee: Zhejiang A&F University ZAFU
Current assignee: Zhejiang A&F University ZAFU
Priority date: 2019-02-24
Filing date: 2019-02-24
Publication date: 2020-05-05
Anticipated expiration: 2029-02-24

Abstract

The utility model belongs to mechanical machinery art field relates to a collapsible shopping cart. The shopping cart solves the technical problem that the shopping cart in the prior art is difficult to fold when not in use. The shopping cart bag comprises a pull rod assembly and a shopping cart bag arranged on the pull rod assembly, wherein the bottom of the pull rod assembly is rotatably connected with a base assembly, the upper end and the lower end of the shopping cart bag are detachably connected to the pull rod assembly and the base assembly respectively, and the shopping cart bag can be turned and folded along with the base assembly towards one side of the pull rod assembly, which is far away from the shopping cart bag, so that the base assembly is used as a support to wrap the base assembly to form a folded state. Compared with the prior art, the utility model has the advantages of the folding parcel of usable shopping bag is through the folding frame of shrink before using or after using, reduces and accomodates the volume, conveniently carries.

Description

Foldable shopping cart

Technical Field

The invention belongs to the technical field of machinery, and particularly relates to a foldable shopping cart.

Background

With the enhancement of people's consciousness to environmental protection, when going out shopping, the consumer usually takes shopping device certainly, for example shopping cart, shopping bag to it is practical to reduce disposable shopping device, reduces pressure for ecological environment, reduces the wasting of resources. For example, the Chinese patent document discloses a portable multifunctional trolley [ CN109017888A ], which comprises a trolley frame, wherein the trolley frame comprises a main frame and a subframe, the main frame consists of two groups of straight pipes I and two groups of straight pipes II, the straight pipes I and the straight pipes II are connected through a two-way bent pipe, and two sides of each straight pipe are provided with stress rod pushing grooves.

In the scheme, the shopping cart function can be basically realized. In the scheme, the shopping cart bag needs to be folded simultaneously in the folding process of the shopping cart, otherwise, the shopping cart bag is folded disorderly after the shopping cart is folded, so that the folding volume and the neatness are affected, and the shopping cart is not easy to store and carry.

Disclosure of Invention

The invention aims to solve the problems and provide a foldable shopping cart.

In order to achieve the purpose, the invention adopts the following technical scheme: a foldable shopping cart comprises a pull rod assembly and a shopping cart bag arranged on the pull rod assembly, wherein the bottom of the pull rod assembly is rotatably connected with a base assembly, the upper end and the lower end of the shopping cart bag are detachably connected to the pull rod assembly and the base assembly respectively, and the shopping cart bag can be overturned and folded along with the base assembly towards one side of the pull rod assembly, which is far away from the shopping cart bag, so that the base assembly is used as a support to wrap the base assembly to form a folded state.

In the above foldable shopping cart, the pull rod assembly is rotatably connected with the support frame assembly, and the support frame assembly is tilted upwards or downwards and the support base assembly and the pull rod assembly are obliquely arranged to be kept unfolded or tilted upwards and folded with the pull rod assembly.

In the foldable shopping cart, the support frame component comprises a U-shaped support body, a base passing groove which passes through along with the rotation of the base component is formed in the support body, a support rod is arranged in the base passing groove, and the base component and the pull rod component are unfolded and lean against the support rod to be unfolded.

In the foldable shopping cart, the base assembly is provided with a connecting clamping groove corresponding to the supporting rod, and when the base assembly and the pull rod assembly are unfolded, the supporting rod is clamped with the connecting clamping groove to enable the pull rod assembly, the base assembly and the support frame assembly to form fixed connection.

In the foldable shopping cart, the base assembly comprises a base body and a base connecting part, the pull rod assembly comprises a pull rod body and a pull rod connecting part, one end of the base body is rotatably connected with one end of the bottom of the pull rod body, and two ends of the shopping cart bag are respectively connected with the pull rod connecting part and the base connecting part.

In the foldable shopping cart, the pull rod body is U-shaped, two ends of the U-shaped opening of the pull rod body are respectively connected with a telescopic rod in a sliding manner, a support rod is arranged between the telescopic rods, and cart wheels are respectively arranged at two ends of the support rod.

In the foldable shopping cart, the telescopic rods are hollow pipes, two ends of the pull rod body are respectively connected in the telescopic rods in a sliding manner, and one ends of the two telescopic rods are connected at equal height through the supporting rods.

In the foldable shopping cart, the two ends of the support body and the two telescopic rods are provided with the hinged seats, the hinged seats are slidably connected to the telescopic rods, and the support body is hinged to the hinged seats.

In the foldable shopping cart, the support frame is arranged in the U-shaped groove of the base body, the two ends of the base body are provided with the bending parts which are folded in the same direction, and the bending parts are hinged on the telescopic rod through the supporting rods.

In foretell collapsible shopping cart, both ends are provided with the connection piece respectively about the shopping cart bag, the connection piece on be provided with connection structure, the connection piece walk around pull rod connecting portion and base connecting portion after can dismantle through connection structure and pull rod connecting portion and base connecting portion and be connected, the connection piece on still be provided with folding joint spare.

Compared with the prior art, the utility model has the advantages of: when the foldable shopping cart is needed to be used, the base assembly is rotated to one side, close to the shopping cart, of the pull rod assembly, the base assembly and the pull rod assembly are unfolded, meanwhile, the shopping cart bag is released to enable the shopping cart bag to be unfolded three-dimensionally to have the function of containing articles along with the rotation of the base assembly, and the base assembly and the pull rod assembly can be folded before or after the use, so that the foldable shopping cart is convenient to carry and store.

Drawings

Fig. 1 is a cross-sectional view of a pipe joint provided by the present invention.

Fig. 2 is a schematic view of the inner expanding type movable sleeve provided by the invention.

Fig. 3 is a schematic view of a pipe joint provided by the present invention.

In the figure, a pull rod assembly 1, a shopping cart bag 2, a base assembly 3, a support frame assembly 4, a support body 5, a base passing groove 6, a support rod 7, a connecting clamping groove 8, a base body 9, a base connecting part 10, a pull rod body 11, a pull rod connecting part 12, a telescopic rod 14, a cart wheel 15, a hinged seat 16, a support frame 17, a bent part 18 and a connecting piece 19.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the foldable shopping cart comprises a pull rod assembly 1 and a shopping cart bag 2 arranged on the pull rod assembly 1, and is characterized in that the bottom of the pull rod assembly 1 is rotatably connected with a base assembly 3, the upper end and the lower end of the shopping cart bag 2 are detachably connected to the pull rod assembly 1 and the base assembly 3 respectively, and the shopping cart bag 2 can be turned and folded along with the base assembly 3 towards one side of the pull rod assembly 1 far away from the shopping cart bag 2 and is wrapped on the base assembly 3 by the base assembly 3 to form a folded state.

When the foldable shopping cart needs to be used, the base component 3 is rotated towards one side of the pull rod component 1 close to the shopping cart bag 2, so that the base component 3 and the pull rod component 1 are unfolded, and simultaneously, the shopping cart bag 2 is released along with the rotation of the base component 3, so that the shopping cart belt 2 is unfolded three-dimensionally to have the function of containing articles.

When not splendid attire article, base subassembly 3 is kept away from shopping cart bag 2 direction to pull rod assembly and is rotated, when base subassembly 3 rotated to be parallel with pull rod assembly 1, and shopping cart bag 2 is pulled to the flat extreme position of exhibition by base subassembly 3, and the shopping cart area of automatic arrangement avoids the manual process of arranging folding shopping cart area 2 of user, simplifies folding process, improves user and accomodates efficiency and user experience. As the base assembly 3 continues to rotate, the middle of the cart bag 2 is blocked by the bottom of the base assembly 3, and the flattened cart bag 2 bends around wrapping around the base assembly 3 and begins to fold.

Preferably, connecting pieces 19 are respectively arranged at the upper end and the lower end of the shopping cart bag 2, a connecting structure is arranged on each connecting piece 19, the connecting pieces 19 can be detachably connected with the pull rod connecting parts 12 and the base connecting parts 10 through the connecting structures after bypassing the pull rod connecting parts 12 and the base connecting parts 10, and folding connecting pieces are further arranged on the connecting pieces 19. The shopping cart bag 3 after folding is connected through the folding connecting piece that sets up on two connection pieces 19, and the folding state of unable adjustment base subassembly 3 and pull rod assembly 1 is conveniently accomodate. As shown in the figure, a user can lift the folding shopping cart through the pull rod assembly 1, and the folding shopping cart is convenient to carry. In the present embodiment, the connection structure and the folding connection structure are implemented by hook and loop fasteners, and those skilled in the art should be able to derive the technical teaching that the connection structure and the folding connection structure can also be connection structures such as button assembly, zipper assembly, etc.

When the shopping cart bag needs to be replaced and washed, a user can detach the shopping cart bag 2 in a mode that the connecting sheet 19 is separated from the pull rod connecting part 12 and the base connecting part 10 through the separation connecting structure, so that the shopping cart bag 2 is convenient to disassemble and assemble.

Furthermore, the pull rod assembly 1 is rotatably connected with a support frame assembly 4, the support frame assembly 4 is tilted upwards or downwards and the pull rod assembly 1 is obliquely arranged to support the base assembly 3 and the pull rod assembly 1 to be unfolded, or the support frame assembly 4 is tilted upwards and can be folded with the pull rod assembly 1. When the pull rod assembly 1 and the base assembly 3 are unfolded, the support frame assembly 4 rotates to enable the base assembly 3 to lean against the support frame assembly 4, the base assembly 3 and the pull rod assembly 1 form a stable triangle, and the support base assembly 3 and the pull rod assembly 1 are kept in a stable structure when being unfolded.

Preferably, the supporting frame assembly 4 comprises a U-shaped supporting body 5, the supporting body 5 is provided with a base through groove 6 which passes through along with the rotation of the base assembly 3, a supporting rod 7 is arranged in the base through groove 6, and the base assembly 3 and the pull rod assembly 1 are arranged to lean against the supporting rod 7 to be unfolded when being unfolded. The supporting rod 7 heightens the base assembly 3 to prevent a user from excessively bending, and to improve the removal degree of articles in the shopping cart.

Further, a connecting clamping groove 8 corresponding to the supporting rod 7 is formed in the base assembly 3, and when the base assembly 3 and the pull rod assembly 1 are unfolded, the supporting rod 7 and the connecting clamping groove 8 are connected in a clamped mode to enable the pull rod assembly 1, the base assembly 3 and the support frame assembly 4 to be fixedly connected. The base assembly 3 and the support frame assembly 4 are lowered away from the support rods 7 under the weight of the items in the shopping cart bag 2 and other external forces.

Preferably, the base assembly 3 comprises a base body 9 and a base connecting portion 10, the pull rod assembly 1 comprises a pull rod body 11 and a pull rod connecting portion 12, one end of the base body 9 is rotatably connected with one end of the bottom of the pull rod body 11, and two ends of the shopping cart bag 2 are respectively connected with the pull rod connecting portion 12 and the base connecting portion 10. In this embodiment, the base connecting portion 10 is disposed on the base body 9, the pull rod connecting portion 12 is a connecting rod separately disposed and fixedly connected to the pull rod body 13, and the two connecting pieces 19 are respectively wrapped on the base connecting portion 10 and the pull rod connecting portion 12.

Preferably, the pull rod body 11 is U-shaped, the two ends of the U-shaped opening of the pull rod body 11 are respectively slidably connected with a telescopic rod 14, a support rod 7 is arranged between the telescopic rods 14, and cart wheels 15 are respectively arranged at the two ends of the support rod 7. The telescopic rods 14 are hollow tubes, two ends of the pull rod body 11 are respectively connected in the telescopic rods 14 in a sliding mode, and one ends of the two telescopic rods 14 are connected in an equal-height mode through the supporting rods 7. In the folding process, the pull rod body 11 slides towards the end, far away from the pull rod body 11, of the telescopic rod 14, the length of the pull rod assembly 1 is reduced, the size of the foldable shopping cart is further reduced, meanwhile, the folding size of the shopping cart bag 2 is reduced, and the shopping cart is more convenient to store and carry. It should be clear to a person skilled in the art that the same technical purpose can be achieved when the drawbar body 11 is a hollow tube and the telescopic rod 14 is inserted in the drawbar body 1.

Preferably, a hinge base 16 is arranged between the two ends of the support body 5 and the two telescopic rods 14, the hinge base 16 is slidably connected to the telescopic rods 14, and the support body 5 is hinged to the hinge base 16. In the folding process, the two hinged seats slide towards the pull rod body 11 simultaneously, and the support body 5 is turned over to be close to the pull rod assembly 1, in this embodiment, the pull rod body 5 needs to support the high base assembly 3, and protrudes from the pull rod assembly 1 after being folded directly. The relative position relation is changed by sliding the hinged seat 16, the supporting body 5 is reversely turned, the defect that the supporting body 5 protrudes out of the pull rod assembly 1 after being folded is eliminated, and the folded volume of the foldable shopping cart is further reduced.

Preferably, a supporting frame 17 is arranged in the U-shaped groove of the base body 9, two ends of the base body 9 are provided with bending parts 18 which are folded in the same direction, and the bending parts 18 are hinged on the telescopic rod 14 through the supporting rod 7. The bending portion 18 heightens the base body 9 after the base body 9 and the pull rod assembly 1 are unfolded, so as to heighten the bottom of the shopping cart bag, reduce the stooping size of a user, and further facilitate the user to store and take articles.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the pull rod assembly 1, the shopping cart bag 2, the base assembly 3, the support frame assembly 4, the support body 5, the base through groove 6, the support rod 7, the connection clamping groove 8, the base body 9, the base connection portion 10, the pull rod body 11, the pull rod connection portion 12, the telescopic rod 14, the cart wheel 15, the hinge seat 16, the support frame 17, the bent portion 18, the connecting piece 19, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a collapsible shopping cart, includes pull rod assembly (1) and shopping cart bag (2) of setting on pull rod assembly (1), its characterized in that, pull rod assembly (1) bottom rotatable coupling have base subassembly (3), shopping cart bag (2) about both ends can dismantle respectively and connect on pull rod assembly (1) and base subassembly (3), shopping cart bag (2) can be kept away from shopping cart bag (2) one side upset to pull rod assembly (1) along with base subassembly (3) and draw in and use base subassembly (3) to form fold condition for supporting cladding base subassembly (3).

2. The foldable shopping cart according to claim 1, wherein the handle assembly (1) is rotatably connected with a support frame assembly (4), and the support frame assembly (4) is tilted upwards or downwards and the handle assembly (1) is tilted to support the base assembly (3) and the handle assembly (1) to be unfolded or tilted upwards and folded away from the handle assembly (1).

3. The foldable shopping cart according to claim 2, wherein the supporting frame assembly (4) comprises a U-shaped supporting body (5), the supporting body (5) is provided with a base through groove (6) which rotates and passes along with the base assembly (3), a supporting rod (7) is arranged in the base through groove (6), and the base assembly (3) and the pull rod assembly (1) are unfolded and abut against the supporting rod (7) to keep unfolded.

4. The foldable shopping cart according to claim 3, wherein the base assembly (3) is provided with a connecting slot (8) corresponding to the support rod (7), and when the base assembly (3) and the pull rod assembly (1) are unfolded, the support rod (7) is connected with the connecting slot (8) in a clamping manner, so that the pull rod assembly (1), the base assembly (3) and the support frame assembly (4) form a fixed connection.

5. The foldable shopping cart according to claim 4, wherein the base assembly (3) comprises a base body (9) and a base connecting portion (10), the pull rod assembly (1) comprises a pull rod body (11) and a pull rod connecting portion (12), one end of the base body (9) is rotatably connected with one end of the bottom of the pull rod body (11), and two ends of the shopping cart bag (2) are respectively connected with the pull rod connecting portion (12) and the base connecting portion (10).

6. The foldable shopping cart according to claim 5, wherein the pull rod body (11) is U-shaped, two ends of the U-shaped opening of the pull rod body (11) are slidably connected with telescopic rods (14) respectively, a support rod (7) is arranged between the telescopic rods (14), and two ends of the support rod (7) are provided with cart wheels (15) respectively.

7. The foldable shopping cart according to claim 6, wherein the retractable rod (14) is a hollow tube, two ends of the retractable rod body (11) are slidably connected to the retractable rod (14), and one ends of the two retractable rods (14) are connected to each other at the same height through the supporting rod (7).

8. The foldable shopping cart according to claim 7, wherein a hinge base (16) is provided between each end of the support body (5) and each of the two telescopic rods (14), the hinge base (16) is slidably connected to each of the telescopic rods (14), and the support body (5) is hinged to the hinge base (16).

9. The foldable shopping cart according to claim 8, wherein the U-shaped groove of the base body (9) is provided with a support frame (17), two ends of the base body (9) are provided with bending parts (18) folded in the same direction, and the bending parts (18) are hinged on the telescopic rod (14) through the support rod (7).

10. The foldable shopping cart according to claim 9, wherein the upper and lower ends of the shopping cart bag (2) are respectively provided with a connecting piece (19), the connecting piece (19) is provided with a connecting structure, the connecting piece (19) can be detachably connected with the pull rod connecting part (12) and the base connecting part (10) through the connecting structure after bypassing the pull rod connecting part (12) and the base connecting part (10), and the connecting piece (19) is further provided with a foldable connecting piece.