Easily foldable shopping cart

Abstract

Easily foldable shopping trolley comprising a mobile frame (1), a folding and stacking arrangement (2) and a locking arrangement (3), characterized by the fact that the mobile frame (1) is equipped with a folding and stacking arrangement (2) for folding and folding and a locking arrangement (3) for combined insertion, wherein the folding and stacking arrangement (2) comprises a folding arrangement (21) and a limiting arrangement (22), wherein the folding arrangement (21) is mounted on a support rod (12), and wherein the limiting arrangement (22) is connected to the folding arrangement (21).

Description

Area of ​​the present utility model

[0001] The present utility model relates to the technical field of foldable shopping carts, in particular to an easily foldable shopping cart. State of the art

[0002] The shopping cart is a tool frequently used by people when shopping in brick-and-mortar stores. People's shopping needs are increasing. During the holidays, you see many people in the supermarket buying large and small bags of items and filling their shopping carts. Moving items from the shopping center to the car and then from the car to home also requires a moving tool, in which case a foldable shopping cart is necessary.

[0003] Chinese patent CN114715247B discloses a foldable shopping cart that, after unlocking the locking device, can be moved from an unfolded position to a folded position, comprising a support frame and a frame connected to the support frame and forming a receiving space with the support frame, wherein the frame comprises an upper connecting rod rotatably connected to the upper end of the support frame about the first axis A, and a lower connecting rod rotatably connected to the lower end of the support frame about the second axis B, wherein the upper connecting rod is connected to a movable frame that can slide relative to it to change the size of the receiving space, wherein the movable frame comprises a movable rod slidably connected to the upper connecting rod, the movable rod being rotatably connected to a connecting piece about the third axis C.wherein several front wheel assemblies are connected to the lower connecting rod so as to rotate about the fourth axis D, wherein a connecting component is arranged between each front wheel assembly, the connecting piece and the support frame, the support frame also being connected to a pulley assembly. However, the device also has the following problems: Standard folding shopping carts are typically folded sideways to reduce their volume. While this does reduce the volume, it also compromises their portability. Furthermore, if multiple carts need to be placed together in a shopping cart, stacking and storing them after folding becomes difficult.

[0004] Based on this, the present utility model design describes an easily foldable shopping cart to solve the problems mentioned above. Purpose of the present utility model

[0005] In view of the aforementioned shortcomings of the prior art, the present utility model provides an easily foldable shopping cart. To achieve the aforementioned purposes, the present utility model is implemented through the following technical solutions: Easily foldable shopping trolley comprising a mobile frame, a folding and stacking arrangement and a locking arrangement, wherein the mobile frame is equipped with a folding and stacking arrangement for folding and folding and a locking arrangement for combined insertion, wherein the folding and stacking arrangement comprises a folding arrangement and a limiting arrangement, wherein the folding arrangement is mounted on a support rod, and wherein the limiting arrangement is connected to the folding arrangement.

[0006] Furthermore, it is provided that the mobile frame includes a support frame, a universal wheel and a support pole, with several universal wheels and support poles each being firmly mounted to the four corners of the base of the support frame.

[0007] Furthermore, the folding arrangement is provided to include a rotary rod, a mounting block and a pivot block, wherein several mounting blocks are fixedly attached to the support rod, wherein the mounting blocks are each rotatably connected to pivot blocks via a pivot shaft, wherein rotary rods are each fixedly attached to the pivot blocks, and wherein the rotary rods are connected on the left and right sides via a locking arrangement.

[0008] Furthermore, it is provided that the limiting arrangement comprises a rotary hole and a limiting pin, wherein rotary holes are arranged on the fastening blocks to cooperate with the rotation of the locking arrangement, wherein a limiting pin is fixedly mounted on the support rod, wherein a pin hole is arranged on the rotary rod to cooperate with the insertion of the limiting pin, and wherein a pin hole is also arranged on the underside of the support rod to cooperate with the insertion of the limiting pin.

[0009] Furthermore, the locking arrangement comprises a fixed railing net, a removable railing net, a boundary crossbar, a support frame, and a boundary bar, wherein the fixed railing net is rigidly connected to two sets of swivel bars on the left and right sides, wherein the two sets of removable railing nets are arranged symmetrically to each other and are rotatably connected to the mounting blocks by means of swivel holes, wherein the removable railing net rests against the swivel bar, wherein the tail of the boundary crossbar is rigidly connected to the removable railing net, wherein boundary holes and several sets of receiving holes are each arranged on the swivel bar, wherein the receiving hole is used to receive the removable railing net, and wherein the boundary hole cooperates with the boundary crossbar to achieve a locking connection for boundary purposes.wherein several sets of boundary bars are firmly mounted on the support frame, the support frame being locked to the fixed railing net via a boundary bar.

[0010] Furthermore, it is provided that several sets of plug-in rods are permanently mounted on the removable railing net for insertion with the receiving hole and the limiting hole.

[0011] Furthermore, it is planned that the boundary crossbar will consist of a crossbar and an elbow.

[0012] Furthermore, it is intended that the support frame and the boundary bar will work together to engage at multiple positions on the fixed railing network.

[0013] Compared to the prior art, the present utility model has the following advantageous effects: 1. In the present utility model, the front and rear removable guardrail nets can be disassembled via the locking mechanism and rotated onto the mobile frame. At this point, the boundaries of the left and right sides of the front and rear removable guardrail nets disappear, so that the rotation of the fixed guardrail nets is driven by the rotary rods on the left and right sides to place them sequentially onto the support frame, ultimately achieving the folding effect. When stacking and storage is required, the limit pin of one support bar of the shopping cart is inserted into the stacking pin hole of the other support bar of the shopping cart to achieve the left and right boundaries and to enable stacking and storage of the shopping cart.When the shopping cart is unfolded, the boundary is defined by the interaction of the limiting pin with the pivot pin hole on the swivel rod. The limiting frame locks into place with the fixed railing nets of the two shopping carts, thus connecting the two carts as a single unit.

[0014] 2. When the shopping cart in this utility model needs to be folded, one side of the support frame is first rotated to detach one end of the limit bar from the fixed railing net, and then the other side of the support frame is lifted to detach the other end of the limit bar from the fixed railing net. This detaches the support frame from the fixed railing net, and the detached support frame is placed on the mobile frame from the ground. In its initial state, the limit bar crossbar and the connecting rod are located in the limit hole. The elbow and the limit hole form a boundary. The crossbar and the connecting rod on one side of the front removable railing net are then clamped by hand to detach the elbow from the limit hole, thereby pulling the elbow and connecting rod out of the limit hole.The removable guardrail net is guided out of the mounting hole so that the removable side of the net is offset from the swivel rod. The steps described above are repeated to move the crossbar and the connecting rod out on the other side of the front removable guardrail net, thus removing the limit of the front removable guardrail net. The front removable guardrail net is placed on the mobile frame, rotating it. The steps described above are repeated so that the rear removable guardrail net is also removed and placed on top of the front removable guardrail net, rotating it. Simultaneously, as the removable guardrail nets rotate, both ends of the removable guardrail net are no longer resting against the swivel rod, allowing the swivel rod to rotate through the mounting block and the swivel block in conjunction with the pivot shaft.This drives the rotation of the fixed railing nets on both sides, allowing them to be placed one after the other onto the removable railing nets, thus forming a platform on which large items can be placed and transported. Simultaneously, for multiple shopping carts, the limit pin of one support bar of the shopping cart can be inserted into the stacking pin hole of the other support bar of the shopping cart to perform stacking.

[0015] The present utility model discloses an easily foldable shopping cart and relates to the technical field of foldable shopping carts, preferably comprising a mobile frame, a folding and stacking arrangement, and a locking arrangement, wherein the mobile frame is equipped with a folding and stacking arrangement for folding and unfolding and a locking arrangement for combined insertion, wherein the folding and stacking arrangement comprises a folding mechanism and a limiting arrangement, the folding mechanism being mounted on a support rod, and the limiting arrangement being connected to the folding mechanism. The aforementioned method ultimately enables the stacking and storage of the shopping carts, and the two unfolded shopping carts can be connected as a single unit via a connecting frame. Brief description of the drawings

[0016] To more clearly explain the embodiments of the present utility model or the technical solutions in the prior art, the drawings that must be used in describing the embodiments or the prior art are briefly presented below. Of course, the drawings in the following description are merely some embodiments of the present utility model. A person skilled in the art can derive other drawings from these without any creative effort. Fig. Figure 1 is a perspective view I of an easily foldable shopping cart according to the present utility model; Fig. Figure 2 is a front view of an easily foldable shopping cart according to the present utility model; Fig. Figure 3 is a right-hand view of an easily foldable shopping cart according to the present utility model; Fig. 4 is an enlarged view at A in Fig. 1; Fig. 5 is an enlarged view at B in Fig. 1; Fig. 6 is an enlarged view at C in Fig. 1; Fig. 7 is a section along the CC direction of Fig. 3; Fig. 8 is an enlarged view at D in Fig. 7; Fig. Figure 9 is a schematic representation of the structure of part of a grid arrangement. Description of preferred embodiments

[0017] To clarify the purpose, technical solutions, and advantages of the embodiments of this utility model, the technical solutions in these embodiments are described clearly and completely below in conjunction with the drawings. It is obvious that the described embodiments represent some, and not all, of the embodiments of this utility model. All other embodiments that could be obtained by a person skilled in the art from the embodiments of this utility model without creative effort fall within the scope of protection of this utility model. The terms left, right, front, rear, top, and bottom used in the following description refer to the viewing angle of the front view. Example 1: In some embodiments, the following applies: Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 to Fig. Reference is made to drawing 9 of the description. Easily foldable shopping cart comprising a mobile frame 1, a folding and stacking arrangement 2, and a locking arrangement 3. wherein the mobile frame 1 is equipped with a folding and stacking arrangement 2 for folding and folding and a locking arrangement 3 for combined insertion, wherein the mobile frame 1 comprises a support frame 10, a universal wheel 11 and a support rod 12, wherein several universal wheels 11 and support rods 12 are each fixedly mounted to the four corners of the base of the support frame 10, wherein the folding and stacking arrangement 2 comprises a folding arrangement 21 and a limiting arrangement 22, wherein the folding arrangement 21 is mounted on a support rod 12, wherein the limiting arrangement 22 is connected to the folding arrangement 21, wherein the folding arrangement 21 comprises a rotary rod 211, a mounting block 212 and a pivot block 213, wherein several mounting blocks 212 are fixedly mounted on the support rod 12, wherein the mounting blocks 212 are each rotatably connected to pivot blocks 213 via a pivot shaft, wherein rotary rods 211 are each fixedly mounted on the pivot blocks 213, wherein the rotary rods 211 are each connected on the left and right sides via a detent arrangement 3, wherein the limiting arrangement 22 comprises a pivot hole 221 and a limiting pin 222, wherein pivot holes 221 are arranged on each of the fastening blocks 212 to cooperate with the rotation of the detent arrangement 3, wherein a limiting pin 222 is fixedly mounted on the support rod 12, wherein a pin hole 223 is arranged on the pivot rod 211 to cooperate with the insertion of the limiting pin 222, wherein a stacking pin hole 225 is also arranged on the underside of the support rod 12 to cooperate with the insertion of the limiting pin 222.

[0018] In this embodiment, the boundary frame 224 of the unfolded shopping cart can be locked into the fixed railing nets 31 of the two shopping carts, thereby connecting the two shopping carts as a whole.

[0019] In the present utility model, the front and rear removable guardrail nets 32 can be detached via the locking mechanism 3 and rotated onto the mobile frame 1. At this point, the boundaries of the left and right sides of the front and rear removable guardrail nets 32 disappear, so that the rotation of the fixed guardrail nets 31 is driven by the rotary rods 211 on the left and right sides to place them successively onto the support frame 10, thus ultimately achieving the folding effect. When stacking and storage is required, the limit pin 222 of one support rod 12 of the shopping cart is inserted into the stacking pin hole 225 of the other support rod 12 of the shopping cart to achieve the left and right boundaries and to enable the shopping cart to be stacked and stored.When the shopping cart is unfolded, the boundary is defined by the interaction of the limiting pin 222 with the pivot pin hole 223 on the rotating rod 211. The limiting frame 224 is locked to the fixed railing nets 31 of the two shopping carts, thus connecting the two shopping carts as a whole.

[0020] Furthermore, the locking arrangement 3 comprises a fixed railing net 31, a removable railing net 32, a limiting crossbar 35, a support frame 36, and a limiting bar 37, wherein the fixed railing net 31 is fixedly connected to two sets of swivel rods 211 on the left and right sides, wherein the two sets of removable railing nets 32 are arranged symmetrically to each other and are rotatably connected to the fastening blocks 212 by means of swivel holes 221, wherein the removable railing net 32 ​​rests against the swivel rod 211, wherein the tail of the limiting crossbar 35 is fixedly connected to the removable railing net 32, wherein limiting holes 34 and several sets of receiving holes 33 are each arranged on the swivel rod 211, wherein the receiving hole 33 is used to receive the removable railing net 32, and wherein the limiting hole 34 cooperates with the limiting crossbar 35.to achieve a locking connection for the boundary, wherein several sets of boundary bars 37 are firmly mounted on the support frame 36, wherein the support frame 36 is locked to the fixed railing net 31 via a boundary bar 37.

[0021] In the present embodiment, it is provided that several sets of plug-in rods 321 are firmly mounted on the removable railing net 32 ​​for insertion with the receiving hole 33 and the limiting hole 34.

[0022] In the present embodiment, the limiting crossbar 35 is provided to consist of a crossbar 351 and an elbow 352.

[0023] In the present embodiment, the support frame 36 and the limiting bar 37 are provided to work together to engage with several positions on the fixed railing net 31, thereby adjusting the capacity of the shopping cart.

[0024] In the present embodiment, it is provided that the elbow 352 is separated from the limiting hole 34 by clamping the crossbar 351 near the elbow 352.

[0025] In the present embodiment, the fixed railing net 31, the removable railing net 32, the boundary crossbar 35 and the support frame 36 are each made of metal wire.

[0026] When the shopping cart needs to be folded in the present utility model, one side of the support frame 36 is first rotated to separate one end of the limit bar 37 from the fixed railing net 31, and then the other side of the support frame 36 is lifted to separate the other end of the limit bar 37 from the fixed railing net 31. This separates the support frame 36 from the fixed railing net 31, and the separated support frame 36 is placed on the mobile frame 1 from the ground. In the initial state, the limit crossbar 35 and the plug-in rod 321 are located in the limit hole 34. The elbow 352 and the limit hole 34 form a boundary. The crossbar 351 and the plug-in rod 321 on one side of the front removable railing net 32 ​​are then clamped by hand to separate the elbow 352 from the limiting hole 34, thereby pulling the elbow 352 and the plug-in rod 321 out of the limiting hole 34.The removable guardrail net 32 ​​is led out of the receiving hole 33 so that the removable side of the removable guardrail net 32 ​​is offset from the rotating rod 211. The steps described above are repeated to move the crossbar 351 and the connecting rod 321 out on the other side of the front removable guardrail net 32, thereby removing the limit of the front removable guardrail net 32. The front removable guardrail net 32 ​​is placed rotating on the mobile frame 1. The steps described above are repeated so that the rear removable guardrail net 32 ​​is also removed and placed rotating on top of the front removable guardrail net 32.Simultaneously, as the removable railing nets 32 rotate, they no longer rest against the rotating rod 211 at both ends, allowing the rotating rod 211 to rotate through the mounting block 212 and the rotating block 213 in conjunction with the rotating shaft. This drives the rotation of the fixed railing nets 31 on both sides, enabling them to be placed successively onto the removable railing nets 32, thus forming a platform on which large objects can be placed and transported. At the same time, for multiple shopping carts, the limit pin 222 of one support rod 12 of the shopping cart can be inserted into the stacking pin hole 225 of the other support rod 12 of the shopping cart to perform stacking.

[0027] The above-mentioned embodiments serve only to illustrate the technical solutions of the present utility model, but not to limit them. Although the present utility model has been described in detail with reference to the preceding embodiments, the person skilled in the art understands that the technical solutions described in the preceding embodiments may still be modified or some of the technical features may be replaced with equivalent ones. These modifications or replacements do not result in the essence of the corresponding technical solutions differing from the spirit and scope of the technical solutions of each embodiment of the present utility model. Reference symbol list

[0028] 1. Mobile frame; 10. Support frame; 11. Universal wheel; 12. Support bar; 2. Folding and stacking assembly; 21. Folding assembly; 211. Swivel bar; 212. Mounting block; 213. Swivel block; 22. Limiting assembly; 221. Swivel hole; 222. Limiting pin; 223. Pin hole; 224. Limiting frame; 225. Stacking pin hole; 3. Snap-in assembly; 31. Fixed guardrail net; 32. Removable guardrail net; 321. Plug-in bar; 33. Receptacle hole; 34. Limiting hole; 35. Limiting crossbar; 351. Crossbar; 352. Elbow; 36. Support frame; 37. Limiting bar. QUOTES INCLUDED IN THE DESCRIPTION

[0000] This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature

[0000] CN 114715247B

[0003]

Claims

Easily foldable shopping cart comprising a mobile frame (1), a folding and stacking arrangement (2) and a locking arrangement (3), characterized in that the mobile frame (1) is equipped with a folding and stacking arrangement (2) for folding and folding and a locking arrangement (3) for combined insertion, wherein the folding and stacking arrangement (2) comprises a folding arrangement (21) and a limiting arrangement (22), wherein the folding arrangement (21) is mounted on a support rod (12), wherein the limiting arrangement (22) is connected to the folding arrangement (21). Easily foldable shopping cart according to claim 1, characterized in that the mobile frame (1) comprises a support frame (10), a universal wheel (11) and a support rod (12), wherein several universal wheels (11) and support rods (12) are each fixedly mounted on the four corners of the base of the support frame (10). Easily foldable shopping cart according to claim 2, characterized in that the folding arrangement (21) comprises a rotary rod (211), a fastening block (212) and a pivot block (213), wherein several fastening blocks (212) are fixedly mounted on the support rod (12), wherein the fastening blocks (212) are each rotatably connected to pivot blocks (213) via a rotary shaft, wherein rotary rods (211) are each fixedly mounted on the pivot blocks (213), wherein the rotary rods (211) are each connected on the left and right sides via a locking arrangement (3). Easily foldable shopping cart according to claim 3, characterized in that the limiting arrangement (22) comprises a pivot hole (221) and a limiting pin (222), wherein pivot holes (221) are arranged on the fastening blocks (212) to cooperate with the rotation of the locking arrangement (3), wherein a limiting pin (222) is fixedly mounted on the support rod (12), wherein a pin hole (223) is arranged on the pivot rod (211) to cooperate with the insertion of the limiting pin (222), wherein a pin hole (223) is also arranged on the underside of the support rod (12) to cooperate with the insertion of the limiting pin (222). A lightweight, foldable shopping cart according to claim 4, characterized in that the locking arrangement (3) comprises a fixed railing net (31), a removable railing net (32), a limiting crossbar (35), a support frame (36), and a limiting bar (37), wherein the fixed railing net (31) is fixedly connected to two sets of swivel bars (211) on the left and right sides, wherein the two sets of removable railing nets (32) are arranged symmetrically to each other and are rotatably connected to the mounting blocks (212) via swivel holes (221), wherein the removable railing net (32) rests against the swivel bar (211), wherein the tail of the limiting crossbar (35) is fixedly connected to the removable railing net (32), wherein limiting holes (34) and several sets of receiving holes (33) are each arranged on the swivel bar (211), wherein the receiving hole (33) is for receiving the removable railing net (32) is used,wherein the limiting hole (34) cooperates with the limiting crossbar (35) to achieve a snap connection for limiting, wherein several sets of limiting bars (37) are fixedly mounted on the support frame (36), wherein the support frame (36) is snapped into the fixed railing net (31) via a limiting bar (37). Easily foldable shopping trolley according to claim 5, characterized in that several sets of plug-in rods (321) are firmly mounted on the removable railing net (32) for insertion with the receiving hole (33) and the limiting hole (34). Easily foldable shopping cart according to claim 5, characterized in that the limiting crossbar (35) consists of a crossbar (351) and an elbow (352). Easily foldable shopping cart according to claim 5, characterized in that the support frame (36) and the limiting bar (37) cooperate to engage with multiple positions on the fixed railing net (31).

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