A high load-bearing capacity folding shopping cart

Abstract

This utility model discloses a high-load-bearing folding shopping cart, relating to the field of shopping cart technology. It includes a base plate. The device utilizes a knob, connecting plate, connecting rod, slider, groove, spring, insert rod, and the interplay of a insertion hole and a circular hole. The user simply opens the side panel and enclosure, then pulls and rotates the knob. This causes the connecting rod to slide the slider within the groove, compressing the spring and simultaneously disengaging the insert rod from the insertion hole. Rotating the knob aligns the insert rod with the top of the circular hole, and the spring's resetting action pushes the insert rod into the hole, thus quickly unlocking the structure. The side panel and enclosure are then folded, and the enclosure is secured by female and male buckles. The overall operation is simple and reliable, effectively achieving rapid folding and stable storage of the shopping cart, significantly improving folding efficiency and ease of use. Furthermore, the compact structure and high load-bearing capacity make it suitable for daily shopping and transportation purposes.

Description

Technical Field

[0001] This utility model belongs to the field of shopping cart technology, and specifically relates to a high load-bearing capacity folding shopping cart. Background Technology

[0002] Shopping carts are common carrying tools in modern life, widely used in shopping, logistics and transportation scenarios. When selecting goods in a store, you can easily push it to hold the selected items, avoiding the burden of carrying too many goods. It is an indispensable tool in the offline shopping experience.

[0003] Traditional shopping carts, while structurally robust, are not foldable, take up a lot of space, and are inconvenient to store and carry. Some existing foldable shopping carts have problems such as unreliable locking and limited load-bearing capacity. To solve these problems, we provide a high-load-bearing capacity foldable shopping cart. Utility Model Content

[0004] The purpose of this utility model is to provide a high load-bearing capacity folding shopping cart to solve the problems mentioned in the background art. Although traditional shopping carts have a stable structure, they are not foldable, occupy a lot of space, and are not conducive to storage and carrying. Some existing foldable shopping carts have problems such as unreliable locking and limited load-bearing capacity.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a high load-bearing capacity folding shopping cart includes a base plate, side plates are hinged to both sides of the top of the base plate, two surrounding plates are hinged to the top of the base plate, and sliding grooves are provided at both ends of the side plates. A slider is slidably connected inside the sliding groove, and a connecting rod is rotatably connected to the top of the slider. The surface of the connecting rod is slidably connected to the side plate, and a spring is sleeved on the surface of the connecting rod. A connecting plate is fixedly connected to the top of the connecting rod, and an insertion rod is fixedly connected to the bottom of the connecting plate. Insertion holes adapted to the insertion rod are provided on both sides of the surrounding plates.

[0006] Preferably, the top of the side plate has a round hole that matches the insertion rod, and the top of the connecting plate is fixedly connected with a knob.

[0007] Preferably, female buckles are fixedly connected to both sides of the front of the other panel, and female buckles that are compatible with the female buckles are fixedly connected to both sides of the back of the other panel.

[0008] Preferably, a tie rod is hinged to one side of the base plate, and a slot adapted to the tie rod is provided at the bottom of the base plate.

[0009] Preferably, casters are installed on both sides of the bottom of the base plate, and a handle is bolted to the front of the base plate.

[0010] This utility model has the following beneficial effects: This device, through the interaction of a knob, connecting plate, connecting rod, slider, groove, spring, insertion rod, and insertion hole with a round hole, allows the user to simply open the enclosure and side panels, then pull and turn the knob. This causes the connecting rod to slide the slider within the groove, compressing the spring and simultaneously disengaging the insertion rod from the insertion hole. Turning the knob aligns the insertion rod with the top of the round hole, and the spring's resetting action pushes the insertion rod into the round hole, thus quickly unlocking the structure. The side and enclosure panels can then be folded and secured with female and male buckles. The overall operation is simple and reliable, effectively enabling the shopping cart to fold quickly and stably, significantly improving folding efficiency and ease of use. Furthermore, its compact structure and high load-bearing capacity make it suitable for everyday shopping and transportation purposes. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a three-dimensional structural schematic diagram of the present invention; Figure 3 This is a utility model Figure 1 A magnified view of a section at point A in the middle; Figure 4 This is a schematic diagram of the folding structure of this utility model.

[0012] Reference numerals: 1. Base plate; 2. Side plate; 3. Enclosure plate; 4. Slide groove; 5. Slider; 6. Connecting rod; 7. Spring; 8. Connecting plate; 9. Insert rod; 10. Round hole; 11. Knob; 12. Female buckle; 13. Female buckle; 14. Pull rod; 15. Slot; 16. Caster wheel; 17. Handle. Detailed Implementation

[0013] The present invention will be further described in detail below with reference to the accompanying drawings.

[0014] Example 1:

[0015] refer to Figure 1-4 A high load-bearing capacity folding shopping cart includes a base plate 1, side plates 2 hinged to both sides of the top of the base plate 1, two surrounding plates 3 hinged to the top of the base plate 1, grooves 4 at both ends of the side plates 2, sliders 5 slidably connected inside the grooves 4, connecting rods 6 rotatably connected to the top of the sliders 5, the surface of the connecting rods 6 slidably connected to the side plates 2, springs 7 sleeved on the surface of the connecting rods 6, connecting plate 8 fixedly connected to the top of the connecting rods 6, insert rods 9 fixedly connected to the bottom of the connecting plate 8, and insertion holes adapted to the insert rods 9 on both sides of the surrounding plates 3.

[0016] Specifically, the device utilizes a combination of a knob 11, a connecting plate 8, a connecting rod 6, a slider 5, a slide groove 4, a spring 7, an insertion rod 9, and a socket and a round hole 10. Users simply open the enclosure 3 and side plate 2, then pull and rotate the knob 11. This causes the connecting rod 6 to slide the slider 5 within the slide groove 4, compressing the spring 7. Simultaneously, the insertion rod 9 disengages from the socket. Rotating the knob 11 aligns the insertion rod 9 with the top of the round hole 10, and the spring 7's resetting action pushes the insertion rod 9 into the round hole 10, thus quickly unlocking the structure. Afterwards, the side plate 2 and enclosure 3 are folded, and the enclosure 3 is secured by the female buckle 12 and the male buckle 13. The overall operation is simple and reliable, effectively enabling the shopping cart to fold quickly and stably, significantly improving folding efficiency and ease of use. Furthermore, the compact structure and high load-bearing capacity make it suitable for daily shopping and transportation purposes.

[0017] refer to Figure 3 The top of the side plate 2 is provided with a round hole 10 that matches the insertion rod 9. By providing the round hole 10, the insertion rod 9 can be stored in the fold. The top of the connecting plate 8 is fixedly connected with a knob 11. By providing the knob 11, the connecting plate 8 can be rotated easily.

[0018] refer to Figure 4 Both sides of the front of the enclosure 3 are fixedly connected with female buckles 12, and both sides of the back of the other enclosure 3 are fixedly connected with female buckles 13 that are compatible with the female buckles 12. By setting the female buckles 12 and the female buckles 13, it is easy to limit the enclosure 3.

[0019] refer to Figure 2 A pull rod 14 is hinged to one side of the base plate 1. A slot 15 adapted to the pull rod 14 is provided at the bottom of the base plate 1. By setting the slot 15, the pull rod 14 can be easily hidden and stored.

[0020] refer to Figure 1 The bottom of the base plate 1 is equipped with casters 16 on both sides, and a handle 17 is bolted to the front of the base plate 1. The handle 17 makes it easy to lift the device.

[0021] Brief description of usage: The user pulls the knob 11, which drives the connecting rod 6 to slide inside the side plate 2 via the connecting plate 8. At the same time, the connecting rod 6 drives the slider 5 to slide inside the slide groove 4, causing the slider 5 to compress the spring 7. Simultaneously, the insertion rod 9 disengages from the insertion hole. Then, the knob 11 is rotated to make the insertion rod 9 rotate to the top of the round hole 10. Then, the spring 7 returns to its original position, causing the insertion rod 9 to be inserted into the round hole 10. After that, the side plate 2 and the surrounding plate 3 are folded. The surrounding plate 3 is then limited by the female buckle 12 and the male buckle 13, which effectively facilitates the folding and storage of the device.

[0022] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A high-load-bearing folding shopping cart, comprising a base plate (1), characterized in that: The bottom plate (1) has two side plates (2) hinged to both sides of the top. The bottom plate (1) has two surrounding plates (3) hinged to the top. The two ends of the side plates (2) are provided with sliding grooves (4). The sliding grooves (4) are slidably connected to the inside of the sliding grooves (4). The top of the sliding grooves (5) is rotatably connected to the connecting rods (6). The surface of the connecting rods (6) is slidably connected to the side plates (2). The surface of the connecting rods (6) is fitted with springs (7). The top of the connecting rods (6) is fixedly connected to the connecting plate (8). The bottom of the connecting plate (8) is fixedly connected to the insert rods (9). The two sides of the surrounding plates (3) are provided with insertion holes that are compatible with the insert rods (9).

2. The high load-bearing capacity folding shopping cart according to claim 1, characterized in that: The top of the side plate (2) is provided with a round hole (10) that is compatible with the insertion rod (9), and the top of the connecting plate (8) is fixedly connected with a knob (11).

3. A high-load-bearing capacity folding shopping cart according to claim 1, characterized in that: Both sides of the front of the enclosure (3) are fixedly connected with female buckles (12), and both sides of the back of the other enclosure (3) are fixedly connected with female buckles (13) that are compatible with the female buckles (12).

4. A high-load-bearing folding shopping cart according to claim 1, characterized in that: A pull rod (14) is hinged to one side of the base plate (1), and a slot (15) adapted to the pull rod (14) is provided at the bottom of the base plate (1).

5. A high-load-bearing capacity folding shopping cart according to claim 1, characterized in that: The bottom of the base plate (1) is equipped with casters (16) on both sides, and a handle (17) is bolted to the front of the base plate (1).

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