Expandable hand-pulled shopping cart

Abstract

The utility model relates to the technical field of article transportation, and particularly discloses an expandable hand-pulled shopping cart which comprises a push-pull frame, a handle is connected to the upper end of the push-pull frame, trundles are arranged at the lower end of the push-pull frame, a basket is connected to the side wall of the push-pull frame and comprises an upper stop lever, a lower stop lever, an upper supporting sleeve and a lower supporting sleeve, and the upper supporting sleeve and the lower supporting sleeve are connected with the push-pull frame. A supporting pipe connected with the push-pull frame is arranged between the upper supporting sleeve and the lower supporting sleeve, the two ends of the upper blocking rod are matched with the upper supporting sleeve in an inserted mode through upper inserting rods, second locking bolts for fixing the upper inserting rods are arranged on the side wall of the upper supporting sleeve, and the two ends of the lower blocking rod are matched with the lower supporting sleeve in an inserted mode through lower inserting rods. A front protection rod is connected between the upper stop rod and the lower stop rod, the two ends of the front protection rod are connected with the supporting pipes in an inserted mode through side protection rods, a length-adjustable bottom support is arranged below the lower supporting sleeve, one end of the bottom support is connected with the push-pull frame, and the other end of the bottom support is connected with the lower stop rod.

Description

Technical Field

[0001] The utility model relates to the technical field of article transportation, in particular to an expandable hand-pull shopping cart. Background Art

[0002] The shopping cart is a daily commonly used tool. It is convenient to put the purchased items on the shopping cart, which is convenient and labor-saving. It helps people to carry items conveniently and brings great convenience to travel shopping.

[0003] The structure of the hand-pulled shopping carts currently on the market is basically fixed, such as the double-handle folding shopping cart disclosed in patent CN211869433U. The basket 11 determines the storage volume of the shopping cart, and the volume of the basket 11 is fixed. When there are many items to be purchased, the basket cannot hold all the items. The user needs to use an additional handbag to transport the purchased items, which increases the burden on the user and is not convenient to use. Therefore, a shopping cart with adjustable storage volume is needed to meet the use needs. Utility Model Content

[0004] The utility model aims at the above-mentioned deficiencies in the prior art and provides an expandable hand-pull shopping cart. The volume of the basket can be adjusted accordingly according to usage requirements, thereby increasing the storage volume of the basket. Since the volume can be adjusted, the use is more flexible, which is conducive to saving storage space and improving the convenience of use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The sled is provided with a plurality of wheels, and the two wheels are connected to the upper and lower ends of the wheels respectively.

[0007] Preferably, the upper support sleeve, support tube, lower support sleeve and bottom bracket are all connected to the push-pull frame via a rotating shaft, and the outer sides of the upper baffle rod, front protective rod and lower baffle rod are all sleeved with connecting rings, and adjacent connecting rings are connected via connecting rods.

[0008] Preferably, a support frame for supporting the bottom support is provided on the side wall of the push-pull frame.

[0009] Preferably, the base includes a second base plate connected to the push-pull frame via a rotating shaft, the first base plate is inserted into the second base plate, the upper end of the first base plate is connected to the lower stop rod via a pull ring, and the lower end of the first base plate is provided with a second supporting leg.

[0010] Preferably, the lower end of the first base plate is connected to a threaded rod via a support block, the lower end of the second base plate is provided with a nut seat matched with the threaded rod, and one end of the threaded rod is provided with a knob.

[0011] Preferably, both ends of the handle are plugged into the push-pull frame via a pull rod, and a first locking bolt for fixing the pull rod is provided on the side wall of the push-pull frame.

[0012] Preferably, the push-pull frame is connected to a seat frame via a rotating shaft on one side away from the basket, an ear plate is provided below the seat frame, the ear plate is connected to the first support leg via the rotating shaft, a limiting plate for fixing the first support leg is connected to the side wall of the ear plate, and a magnet for attracting the first support leg is provided at the bottom of the seat frame.

[0013] Preferably, the side wall of the push-pull frame is connected to a baffle of the fixed seat frame via a rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The volume of the basket of the utility model can be adjusted accordingly according to the use requirements, thereby increasing the storage volume of the basket. Since the volume can be adjusted, the use is more flexible, which is conducive to saving storage space and improving the convenience of use.

[0016] 2. The utility model is provided with a storable seat frame on one side of the push-pull frame, which can facilitate the user to rest, and is convenient to store and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is a left view of the utility model;

[0020] Figure 4 It is a bottom view of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure after the seat frame is stored;

[0022] In the figure: 1-handle; 101-pull rod; 2-push-pull frame; 201-first locking bolt; 202-support frame; 203-baffle; 3-basket; 301-upper baffle; 302-front protective rod; 303-connecting rod; 304-connecting ring; 305-lower baffle; 306-upper support sleeve; 307-second locking bolt; 308-support tube; 309-lower support sleeve; 310-side protective rod; 311-upper plug rod; 312-lower plug rod; 4-seat frame; 401-limiting plate; 402-ear plate; 403-first supporting leg; 404-magnet; 5-bottom bracket; 501-pull ring; 502-first bottom plate; 503-second supporting leg; 504-second bottom plate; 505-knob; 506-support block; 507-threaded rod; 508-nut seat; 6-castor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1 As shown, an expandable hand-pull shopping cart includes a push-pull frame 2, which is a frame structure. The upper end of the push-pull frame 2 is connected to a handle 1, and both ends of the handle 1 are plugged into the push-pull frame 2 through a pull rod 101. A first locking bolt 201 for fixing the pull rod 101 is provided on the side wall of the push-pull frame 2. The height of the handle 1 can be adjusted according to the body height to increase the comfort of use. The lower end of the push-pull frame 2 is provided with a caster 6.

[0025] like Figure 2-3As shown, a basket 3 with adjustable volume is connected to the side wall of the push-pull frame 2, and the basket 3 includes an upper stop rod 301, a lower stop rod 305, and an upper support sleeve 306 and a lower support sleeve 309 connected to the push-pull frame 2. A support tube 308 connected to the push-pull frame 2 is provided between the upper support sleeve 306 and the lower support sleeve 309. The diameters of the upper support sleeve 306 and the lower support sleeve 309 are larger than those of the support tube 308, and they play a main supporting role. The support tube 308 plays a role in blocking objects. The two ends of the upper baffle rod 301 are plugged into the upper support sleeve 306 through the upper plug rod 311, and the side wall of the upper support sleeve 306 is provided with a second locking bolt 307 for fixing the upper plug rod 311. The two ends of the lower baffle rod 305 are plugged into the lower support sleeve 309 through the lower plug rod 312. A front protective rod 302 connected to the upper baffle rod 301 and the lower baffle rod 305 is provided, and the two ends of the front protective rod 302 are plugged into the support tube 308 through the side protective rod 310. A length-adjustable bottom bracket 5 is provided under the lower support sleeve 309, one end of the bottom bracket 5 is connected to the push-pull frame 2, and the other end of the bottom bracket 5 is connected to the lower baffle rod 305. After the basket 3 is adjusted, the upper end is fixed by the second locking bolt 307, and the lower end is fixed by the bottom bracket 5.

[0026] In order to achieve the storage of the basket 3, the upper support sleeve 306, the support tube 308, the lower support sleeve 309 and the bottom bracket 5 are all connected to the push-pull frame 2 through a rotating shaft, and the outer sides of the upper block rod 301, the front protective rod 302 and the lower block rod 305 are all sleeved with connecting rings 304, and adjacent connecting rings 304 are connected by a connecting rod 303. The entire basket 3 can be rotated and folded upward for storage, saving storage space. After folding, it is mainly fixed by the damping set between the rotating shaft and the push-pull frame 2.

[0027] A support frame 202 for supporting the bottom bracket 5 is provided on the side wall of the push-pull frame 2. The bottom bracket 5 is placed on the upper end of the support frame to keep the base level.

[0028] like Figure 4 As shown, the base 5 includes a second base plate 504 connected to the push-pull frame 2 via a rotating shaft, the first base plate 502 is inserted into the second base plate 504, the upper end of the first base plate 502 is connected to the lower stop rod 305 via a pull ring 501, and the lower end of the first base plate 502 is provided with a second supporting leg 503.

[0029] In order to achieve the adjustment and fixation of the first base plate 502, a threaded rod 507 is connected to the lower end of the first base plate 502 through a support block 506, and the threaded rod 507 and the support block 506 are rotatably matched. The lower end of the second base plate 504 is provided with a nut seat 508 that cooperates with the threaded rod 507, and one end of the threaded rod 507 is provided with a knob 505, which is used to drive the threaded rod 507 to rotate. The threaded rod 507 and the nut seat 508 are threadedly matched, and the first base plate 502 can be pulled to slide through the threaded rod 507.

[0030] When adjusting the volume of the basket 3, open the second locking bolt 307, push (reduce the volume) or pull (increase the volume) the front protective rod 302, and turn the knob 505 accordingly to adjust the length of the first bottom plate 502. After the adjustment is completed, tighten the second locking bolt 307.

[0031] like Figure 3 , Figure 5 As shown, a seat frame 4 is connected to the side of the push-pull frame 2 away from the basket 3 through a rotating shaft, providing a temporary rest seat for the user, and an ear plate 402 is provided below the seat frame 4, and the ear plate 402 is connected to the first support leg 403 through a rotating shaft, and a limit plate 401 for fixing the first support leg 403 is connected to the side wall of the ear plate 402, and the limit plate 401 limits the opening angle of the first support leg 403, so that the first support leg 403 is perpendicular to the seat frame 4 after opening. When storing, the seat frame 4 is rotated upward, and the side wall of the push-pull frame 2 is connected to the baffle 203 for fixing the seat frame 4 through a rotating shaft, and the rotating baffle 203 can fix the seat frame 4, and a magnet 404 for sucking the first support leg 403 is provided at the bottom of the seat frame 4, so that the seat frame 4 is stored to one side of the push-pull frame 2.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An expandable hand-pull shopping cart, comprising a push-pull frame, a handle connected to the upper end of the push-pull frame, casters provided at the lower end of the push-pull frame, and a basket connected to the side wall of the push-pull frame, characterized in that: The basket comprises an upper block rod, a lower block rod, and an upper support sleeve and a lower support sleeve connected to the push-pull frame, a support tube connected to the push-pull frame is provided between the upper support sleeve and the lower support sleeve, two ends of the upper block rod are plugged into the upper support sleeve through an upper plug rod, a second locking bolt for fixing the upper plug rod is provided on the side wall of the upper support sleeve, two ends of the lower block rod are plugged into the lower support sleeve through a lower plug rod, a front protective rod connected to the upper block rod is provided between the upper block rod and the lower block rod, two ends of the front protective rod are plugged into the support tube through side protective rods, a length-adjustable bottom bracket is provided under the lower support sleeve, one end of the bottom bracket is connected to the push-pull frame, and the other end of the bottom bracket is connected to the lower block rod.

2. The expandable hand-pull shopping cart according to claim 1, characterized in that: The upper support sleeve, support tube, lower support sleeve and bottom bracket are all connected to the push-pull frame through a rotating shaft, and the outer sides of the upper baffle rod, front protection rod and lower baffle rod are all sleeved with connecting rings, and adjacent connecting rings are connected by connecting rods.

3. The expandable hand-pull shopping cart according to claim 2, characterized in that: A support frame for supporting the bottom support is arranged on the side wall of the push-pull frame.

4. The expandable hand-pull shopping cart according to claim 1, characterized in that: The base includes a second base plate connected to the push-pull frame via a rotating shaft, the first base plate is inserted into the second base plate, the upper end of the first base plate is connected to the lower stop rod via a pull ring, and the lower end of the first base plate is provided with a second supporting leg.

5. The expandable hand-pull shopping cart according to claim 4, characterized in that: The lower end of the first bottom plate is connected with a threaded rod through a support block, the lower end of the second bottom plate is provided with a nut seat matched with the threaded rod, and one end of the threaded rod is provided with a knob.

6. The expandable hand-pull shopping cart according to claim 1, characterized in that: The two ends of the handle are plugged into the push-pull frame through a pull rod, and a first locking bolt for fixing the pull rod is arranged on the side wall of the push-pull frame.

7. The expandable hand-pull shopping cart according to claim 1, characterized in that: The push-pull frame is connected to a seat frame via a rotating shaft on one side away from the basket, an ear plate is provided below the seat frame, the ear plate is connected to a first supporting leg via a rotating shaft, a limiting plate for fixing the first supporting leg is connected to the side wall of the ear plate, and a magnet for attracting the first supporting leg is provided at the bottom of the seat frame.

8. The expandable hand-pull shopping cart according to claim 7, characterized in that: The side wall of the push-pull frame is connected with a baffle of a fixed seat frame via a rotating shaft.

Images