CN219668250U - Foldable shopping cart - Google Patents

Abstract

The utility model discloses a foldable shopping cart which comprises wheels, a bottom frame, a supporting frame connected with the bottom frame, a handrail frame arranged on the supporting frame, an upper frame and a flexible upper object pocket, wherein the supporting frame is provided with an upper cross rod, the upper frame is hinged on the supporting frame and is provided with a telescopic clamping seat mechanism, when the upper frame is unfolded, the upper object pocket is clamped and fixed on the upper cross rod through the clamping seat mechanism, the upper object pocket is detachably assembled on the upper frame, the upper frame is fixed on the upper cross rod through the clamping seat mechanism, the upper frame is used for supporting the upper object pocket, the upper frame is retracted through the stress of the clamping seat mechanism, the clamping connection between the upper frame and the upper cross rod is released, and the upper frame and the supporting frame are folded through the hinged relation of the upper frame and the supporting frame, and are folded and placed after being parallel to the supporting frame, so that the occupied space is reduced, and the upper frame is convenient to place.

Description

Foldable shopping cart

Technical Field

The utility model relates to the technical field of trolleys, in particular to a foldable shopping cart.

Background

The spontaneous requirements of the masses on ecological environment protection are that consumers usually take shopping devices such as shopping carts and environment-friendly shopping bags when going out for shopping, so that the use of shopping plastic bags is reduced, the resource waste is reduced, and the environment sustainability is maintained.

Chinese patent No. 215361428U discloses a foldable and stowable household double-layered shopping cart provided with a double-layered shopping basket, wherein the upper basket is mounted and fixed on a front support bar of the shopping cart by a basket hanging pin, so that the upper basket of the shopping cart cannot be rotated and folded, and needs to be detached every time when being folded, and consumers cannot conveniently detach the upper basket, thus causing inconvenience to daily use of the consumers.

Disclosure of Invention

Therefore, the utility model aims to solve the problems, and provides a foldable shopping cart, wherein a consumer can rotate and fold an upper frame and an upper object pocket, and the upper object pocket is not required to be disassembled when the shopping cart is folded.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a folding shopping cart, includes wheel, underframe, connects underframe's support frame and sets up the handrail frame on the support frame, still includes frame and flexible last thing pocket, the support frame is provided with the horizontal pole, it articulates to go up the frame on the support frame, it is provided with telescopic cassette mechanism to go up the frame, works as go up the frame and expand the time, fix through cassette mechanism joint on the horizontal pole, go up the detachable assembly of thing pocket on the frame.

Further, the clamping seat mechanism comprises a clamping seat and a telescopic rebound rod, one end of the rebound rod is sleeved and fixed in the upper frame, and the other end of the rebound rod is fixed on the clamping seat.

Further, a clamping groove and a first inclined guide surface are formed in the tail end of the clamping seat, and when the upper frame is unfolded, the upper cross rod is clamped and fixed with the clamping groove.

Furthermore, the clamping seat is also provided with a supporting arm in a protruding mode.

Further, a limiting pin is fixed on the upper frame, a limiting slot hole is formed in the clamping seat, and the limiting pin is located in the limiting slot hole.

Further, the upper frame is a U-shaped frame, and two port positions of the U-shaped frame are provided with the clamping seat mechanism.

Further, the support frame still includes upper supporting frame, lower carriage and preceding support frame, upper supporting frame folding articulates on the preceding support frame, preceding support frame articulates on the underframe, the one end of lower carriage articulates on the underframe, the other end is fixed with a fixing base, the fixing base articulates on the upper supporting frame, the upper supporting frame is provided with telescopic link subassembly to fix through telescopic link subassembly joint under the expansion state on the fixing base.

Further, the telescopic rod assembly comprises a clamping sleeve, a connecting rod and a spring, wherein the connecting rod is movably assembled in the upper supporting frame, the clamping sleeve is slidably assembled on the outer peripheral surface of the upper supporting frame and fixedly connected with the connecting rod, and the spring is arranged in the upper supporting frame and applies downward elastic force to the connecting rod.

Further, the armrest frame is assembled on the support frame through a rotatable armrest joint.

Further, the shopping cart further comprises a flexible lower object pocket and a movable underframe, the movable underframe is hinged to the bottom frame, the support frame is further provided with a group of limiting columns, the movable underframe is abutted to the limiting columns, and the lower object pocket is detachably assembled on the movable underframe and the bottom frame.

The technical scheme provided by the utility model has the following beneficial effects:

before the consumer uses the shopping cart, the upper frame is rotated and unfolded, the upper cross rod of the support frame is clamped and fixed through the telescopic clamping seat mechanism, at this moment, the upper frame is fixed on the support frame, the upper frame is used for supporting the upper object pocket, when the shopping cart needs to be folded, the consumer pushes the clamping seat mechanism, the clamping seat mechanism is enabled to retract under the stress, the clamping connection with the upper cross rod is released, at this moment, the upper frame and the upper object pocket can be restored to a rotating state and are stacked after being parallel to the support frame, folding placement of the upper frame and the upper object pocket is achieved, occupied space is reduced, the shopping cart is conveniently placed by the consumer, and the upper object pocket does not need to be detached in the folding process.

Drawings

FIG. 1 is a schematic view of a shopping cart in an expanded configuration in an exemplary embodiment;

FIG. 2 is a rear view of a schematic diagram illustrating an expanded state of a shopping cart in an embodiment;

FIG. 3 is a schematic diagram of a shopping cart in a collapsed configuration, according to an embodiment;

fig. 4 is an enlarged schematic view of the area a in fig. 2.

Detailed Description

For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.

The utility model will now be further described with reference to the drawings and detailed description.

Referring to fig. 1 to 4, in this embodiment, a foldable shopping cart includes wheels 10, a bottom frame 3, a support frame 2 connected to the bottom frame 3, a handrail frame 1 disposed on the support frame 2, an upper frame 6 and a flexible upper pocket 4, the support frame 2 is provided with an upper cross bar 24, the upper frame 6 is hinged on the support frame 2, the upper frame 6 is provided with a telescopic clamping mechanism 61, and when the upper frame 6 is unfolded, the upper frame is fastened on the upper cross bar 24 through the clamping mechanism 61, and the upper pocket 4 is detachably assembled on the upper frame 6.

Before a consumer uses the shopping cart, the upper frame 6 is rotated and unfolded, the upper cross rod 24 of the support frame 2 is clamped and fixed through the telescopic clamping seat mechanism 61, at this time, the upper frame 6 is fixed on the support frame 2, the upper frame 6 is used for supporting the upper object pocket 4, when the shopping cart needs to be folded, the consumer pushes the clamping seat mechanism 61 first, the clamping seat mechanism 61 is stressed to retract, the clamping connection relationship with the upper cross rod 24 is relieved, at this time, the upper frame 6 and the upper object pocket 4 can be restored to a rotating state and stacked after being parallel to the support frame 2, the upper frame 6 and the upper object pocket 4 are folded and placed, occupied space is reduced, the shopping cart is conveniently placed by the consumer, and the upper object pocket 4 does not need to be disassembled in the folding process.

In another preferred embodiment, the clamping seat mechanism 61 comprises a clamping seat 611 and a telescopic rebound rod 612, one end of the rebound rod 612 is sleeved and fixed in the upper frame 6, and the other end of the rebound rod 612 is fixed on the clamping seat 611.

Of course, in other embodiments, the structure of the clamping seat mechanism 61 is not limited to this, and for example, the upper rail 24 is clamped by an elastic clamping hand, so that the upper frame 6 can be clamped on the upper rail 24.

More specifically, a clamping groove 6121 and a first inclined guiding surface 6122 are disposed at the end of the clamping seat 611, and when the upper frame 6 is unfolded, the upper cross bar 24 is clamped and fixed with the clamping groove 6121.

When the upper frame 6 is unfolded, the upper cross rod 24 slides into the first inclined guide surface 6122 of the clamping seat 611, the clamping seat 611 pushes the rebound rod 612 to rebound and deform, and at the moment, the clamping groove 6121 of the clamping seat 611 clamps the upper cross rod 24, so that the upper cross rod 24 is fixed on the support frame 2, and the structure is simple and the operation is convenient.

More specifically, the clamping seat 611 further extends with a supporting arm 6111 in a protruding manner, when the upper frame 6 is folded, the supporting arm 6111 of the clamping seat 611 is pressed, the clamping seat 611 is pushed forward, the clamping seat 611 pushes the rebound rod 612 to rebound and shrink, at this time, the clamping relation between the clamping groove 6121 of the clamping seat 611 and the upper cross rod 24 is removed, and the upper cross rod 24 is restored to a rotatable state.

Of course, in other embodiments, the structure of the arm 6111 of the clamping seat 611 is not limited to this, and the outer circumferential surface of the clamping seat 611 is provided with an anti-slip rubber layer, so that the clamping seat 611 can be gripped and pushed without the arm 6111.

In detail, the upper frame 6 is fixed with a limiting pin 62, the clamping seat 611 is provided with a limiting slot 6112, the limiting pin 62 is positioned in the limiting slot 6112, the limiting pin 62 limits the clamping seat 611 to slide in the limiting slot 6112 of the supporting frame 2, and the structure is simple and durable.

Of course, in other embodiments, the structure of the limiting pin 62 and the limiting slot 6112 of the upper frame 6 is not limited thereto, and the limiting guide rail is disposed on the inner wall of the upper frame, so that the card seat is limited to slide in the limiting guide rail, and thus, the limiting sliding of the card seat can be realized without the limiting pin 62 and the limiting slot 611.

More specifically, the upper frame 6 is a U-shaped frame, two port positions of the U-shaped frame are both provided with the clamping seat mechanisms 61, when the upper object pocket 4 is installed, the U-shaped frame plays a supporting role on the upper object pocket 4, and when the upper frame 6 is unfolded, the clamping seat mechanisms 61 which are symmetrically distributed are more stable in clamping connection and fixation of the upper frame 6, and the structure is simple and durable.

Of course, in other embodiments, the structure of the upper frame 6 is not limited thereto, and will not be described in detail herein.

In another preferred embodiment, the support frame 2 further includes an upper support frame 21, a lower support frame 22 and a front support frame 23, where the upper support frame 21 is hinged to the front support frame 23 in a foldable manner, the front support frame 23 is hinged to the bottom frame 3, one end of the lower support frame 22 is hinged to the bottom frame 3, a fixing seat 221 is fixed to the other end of the lower support frame 22, the fixing seat 221 is hinged to the upper support frame 21, the upper support frame 21 is provided with a telescopic rod assembly 210, and is fastened to the fixing seat 221 through the telescopic rod assembly 210 in a unfolded state, a first hinge point 91 is formed between the upper support frame 21 and the front support frame 23, a second hinge point 92 is formed between one end of the lower support frame 22 and the bottom frame 3, a third hinge point 93 is formed between the fixing seat 221 at the other end of the lower support frame 22 and the upper support frame 21, and a fourth hinge point 94 is formed between the front support frame 23 and the bottom frame 3.

Of course, in other embodiments, the structure of the lower support frame 22 is not limited to this, and the other end of the lower support frame 22 is provided with a semi-closed clamping limit slot corresponding to the end of the telescopic rod assembly 210 and hinged on the upper support frame 21, so that the clamping relationship between the lower support frame 22 and the upper support frame 21 in the unfolded state can be realized without a fixing seat.

Still more particularly, the telescopic rod assembly 210 includes a clamping sleeve 2101, a connecting rod 2102 and a spring (not shown), the connecting rod 2102 is movably assembled in the upper supporting frame 21, the clamping sleeve 2101 is slidably assembled on the outer circumferential surface of the upper supporting frame 21 and fixedly connected with the connecting rod 2102, and the spring is disposed in the upper supporting frame 21 and applies a downward elastic force to the connecting rod 2102.

More specifically, the fixing base 221 is further provided with a stop collar (not shown) with one end extending, the stop collar is provided with a clamping space (not shown) capable of accommodating the connecting rod 2102, and when the supporting frame 2 is unfolded, the connecting rod 2102 is clamped and fixed in the clamping space.

More specifically, the exposed end of the link 2102 is provided with a second inclined guide surface 2103.

When the support frame 2 and the bottom frame 3 are unfolded through the first hinge point 91, the second hinge point 92, the third hinge point 93 and the fourth hinge point 94, the second inclined guide surface 2103 of the connecting rod 2102 in the telescopic rod assembly 210 slides into the clamping space of the fixed seat 221, the connecting rod 2102 pushes the spring to retract, so that the connecting rod 2102 completely enters the fixed seat 221, the upper support frame 21 is fixedly clamped in the fixed seat 221 of the lower support frame 22 under the resilience force of the spring, when the support frame 2 and the bottom frame 3 are folded, the clamping sleeve 2101 is pulled upwards by force, the clamping sleeve 2101 drives the connecting rod 2102 in the telescopic rod assembly 210 to retract with the spring, the clamping relation between the connecting rod 2102 and the clamping space of the fixed seat 221 is released, the upper support frame 21 is rotated forwards again, the connecting rod 2102 is completely separated from the clamping space of the fixed seat 221, and at the moment, the upper frame 6, the upper support frame 21, the lower support frame 22, the front support frame 23 and the base frame 3 are in a rotatable folding state, and the upper frame 6, the upper object 4, the upper support frame 21, the lower support frame 22 and the front support frame 23 are folded and placed in parallel to the bottom frame 3.

More specifically, the upper support frame 21 further includes a lower cross bar 25, the lower cross bar 25 is fixedly assembled on the upper support frame 21, so that the lower cross bar 25 is supported and fixed on the upper support frame 21, and the structure is simple and durable.

Of course, in other embodiments, the cross bar structure of the support frame 2 is not limited thereto, and the cross bar structure of the cross bar structure is also used for supporting and fixing the support frame 2, which is not described in detail herein.

In another preferred embodiment, the armrest frame 1 is assembled on the support frame 2 through a rotatable armrest joint 11, the armrest joint 11 is unlocked by pressing a switch of the armrest joint 11, the armrest frame 1 is rotated on the support frame 2, and when the switch of the armrest joint 11 is released, the armrest joint 11 is restored to be locked on the support frame 2.

Of course, in other embodiments, the connection structure between the armrest frame 1 and the support frame 2 is not limited thereto, and will not be described in detail herein.

In another preferred embodiment, the shopping cart further comprises a lower pocket 5 and a movable bottom frame 31, the movable bottom frame 31 is hinged on the bottom frame 3, the support frame 2 is further provided with a set of limit posts 26, the movable bottom frame 31 is abutted on the limit posts 26, and the lower pocket 5 is detachably assembled on the movable bottom frame 31 and the bottom frame 3.

Of course, in other embodiments, the structure of the limiting post 26 of the support frame 2 is not limited thereto, for example, the movable chassis 31 is fixedly mounted on the support frame 2, so that the supporting of the movable chassis 31 can be achieved without the limiting post 26, which is not described in detail herein.

More specifically, the upper object pocket 4 and the lower object pocket 5 are flexible, the material of the upper object pocket 4 and the lower object pocket 5 is cloth bags or net bags, the peripheries of the upper object pocket 4 and the lower object pocket 5 are provided with flexible connecting pieces 41, the connecting pieces 41 are provided with buttons, and when the connecting pieces 41 surround a cross bar bag Rao Shi of the shopping cart, the wrapping and fixing of the cross bar by the object pockets are completed through the locking of the buttons.

When the upper object pocket 4 is installed, the connecting pieces 41 of the upper object pocket 4 respectively wrap the upper frame 6 and the upper cross rod 24 and lock buttons, the upper object pocket 4 is fixed on the upper frame 6 and the upper cross rod 24, when the lower object pocket 5 is installed, the connecting pieces 41 of the lower object pocket 5 respectively wrap the bottom frame 3 and the movable bottom frame 31 and lock buttons, the movable bottom frame 31 is abutted to the limit posts 26 of the support frame 2, the rotation range of the movable bottom frame 31 is limited, at the moment, the lower object pocket 5 is fixed on the bottom frame 3 and the movable bottom frame 31, when the locking relation of the buttons is released, the upper object pocket 4 and the lower object pocket 5 can be detached, and further, a consumer can detach the upper object pocket 4 and the lower object pocket 5 to be placed or cleaned respectively when the shopping cart is not used.

More specifically, the shopping cart is provided with wheels 10, the wheels 10 comprise front wheels 8 and rear wheels 7, the front wheels 8 are assembled and fixed on the support frame 2, the rear wheels 7 are assembled and fixed on the bottom frame 3, the front wheels 8 are universal wheels, the rear wheels 7 are further provided with foot brake pads 71, when the shopping cart is pushed, the universal wheels of the front wheels 8 rotate and advance according to the thrust direction, when the shopping cart is stopped, the rear wheels 7 are braked by stepping on the foot brake pads 71, and at the moment, the shopping cart cannot move.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a folding shopping cart, includes wheel, underframe, connects underframe's support frame and sets up the handrail frame on the support frame, its characterized in that: the device also comprises an upper frame and a flexible upper object pocket; the support frame is provided with an upper cross rod, the upper frame is hinged to the support frame, the upper frame is provided with a telescopic clamping seat mechanism, and when the upper frame is unfolded, the upper frame is clamped and fixed on the upper cross rod through the clamping seat mechanism; the upper object pocket is detachably assembled on the upper frame.

2. The collapsible shopping cart of claim 1, wherein: the clamping seat mechanism comprises a clamping seat and a telescopic rebound rod, one end of the rebound rod is sleeved and fixed in the upper frame, and the other end of the rebound rod is fixed on the clamping seat.

3. The collapsible shopping cart of claim 2, wherein: the tail end of the clamping seat is provided with a clamping groove and a first inclined guide surface, and when the upper frame is unfolded, the upper cross rod is clamped and fixed with the clamping groove.

4. The collapsible shopping cart of claim 2, wherein: the clamping seat is also provided with a supporting arm in a protruding mode.

5. The collapsible shopping cart of claim 2, wherein: the upper frame is fixedly provided with a limiting pin, the clamping seat is provided with a limiting slot hole, and the limiting pin is positioned in the limiting slot hole.

6. The collapsible shopping cart of claim 1, wherein: the upper frame is a U-shaped frame, and two port positions of the U-shaped frame are provided with the clamping seat mechanism.

7. The collapsible shopping cart of claim 1, wherein: the support frame still includes upper supporting frame, lower carriage and preceding support frame, upper supporting frame folding articulates on the preceding support frame, preceding support frame articulates on the underframe, the one end of lower carriage articulates on the underframe, the other end is fixed with a fixing base, the fixing base articulates on the upper supporting frame, the upper supporting frame is provided with telescopic link subassembly to fix through telescopic link subassembly joint under the expansion state on the fixing base.

8. The collapsible shopping cart of claim 7, wherein: the telescopic rod assembly comprises a clamping sleeve, a connecting rod and a spring, wherein the connecting rod is movably assembled in the upper supporting frame, the clamping sleeve is slidably assembled on the outer circumferential surface of the upper supporting frame and fixedly connected with the connecting rod, and the spring is arranged in the upper supporting frame and applies downward elastic force to the connecting rod.

9. The collapsible shopping cart of claim 1, wherein: the armrest frame is assembled on the support frame through a rotatable armrest joint.

10. The collapsible shopping cart of claim 1, wherein: the shopping cart further comprises a flexible lower object pocket and a movable underframe, the movable underframe is hinged to the bottom frame, the support frame is further provided with a group of limiting columns, the movable underframe is abutted to the limiting columns, and the lower object pocket is detachably assembled on the movable underframe and the bottom frame.