Folding basket

Abstract

The utility model belongs to the technical field of logistics transportation containers, and particularly provides a folding basket which comprises a side baffle and a base, the side baffle is rotationally connected to the base, a first limiting part is arranged at the bottom of the base, and the first limiting part is matched with an opening. The first limiting part and the opening are mutually limited; or a second limiting part matched with the first limiting part is arranged on the outer surface of the side baffle; when the two folding baskets are overlapped and the lower folding basket is in a folded state, the first limiting part of the upper folding basket and the second limiting part of the lower folding basket are mutually limited; according to the folding basket, the first limiting part is arranged on the base and is matched with the second limiting part arranged on the side baffle and other structures, so that the bearing capacity and the overall strength of the folding basket are improved, the upper folding basket and the lower folding basket can be mutually limited when the folding basket is stacked, sliding is avoided when the folding basket is stacked, and the safety of the folding basket in use is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of logistics transportation containers, and specifically provides a folding basket. Background Art

[0002] Turnover baskets are generally used in industrial assembly line transfer, warehousing stacking, or for agricultural loading of fruits, vegetables, etc. To save space, foldable turnover baskets (referred to as folding baskets for short) have gradually become popular. When the folding basket is folded, the side baffle rotates and is as parallel as possible to the bottom surface of the folding basket; when the folding basket is unfolded, each baffle rotates and is as perpendicular as possible to the bottom surface of the folding basket. When the existing folding baskets are stacked, whether in the folded or unfolded state, the baskets are generally positioned by the friction force of the contact surface. Therefore, there are certain safety hazards when the folding baskets are stacked too high, and problems such as slipping are likely to occur. There is an urgent need to provide a folding basket that is safer to use. Summary of the Utility Model

[0003] The utility model provides a folding basket to solve the problem that the folding basket is prone to sliding and falling when stacked.

[0004] The technical solution of the utility model is as follows:

[0005] A folding basket includes side baffles and a base. The side baffles are rotatably connected to the base. The folding basket includes a folded state and an unfolded state. When the folding basket is in the folded state, the side baffles are folded on the base; when the folding basket is in the unfolded state, the tops of the side baffles enclose to form an open mouth. A first limiting portion is provided at the bottom of the base, and the first limiting portion is adapted to the open mouth. When two folding baskets are overlapped and placed, and the lower folding basket is in the unfolded state, the first limiting portion and the open mouth are mutually limited; or, a second limiting portion adapted to the first limiting portion is provided on the outer surface of the side baffle; when two folding baskets are overlapped and placed, and the lower folding basket is in the folded state, the first limiting portion of the upper folding basket and the second limiting portion of the lower folding basket are mutually limited.

[0006] In this solution, after the folding basket is folded and stored, the lower surface of the folding basket is the first limiting portion, and the upper surface is the side baffle. The second limiting portion provided on the outer surface of the side baffle is adapted to and limited by the first limiting portion after folding. At the same time, the second limiting portion can also form a positioning, so that the placement position of the upper folding basket is fixed when the folding baskets are stacked and stored, and they can be stored more neatly; at the same time, when the lower folding basket is unfolded to form an open mouth, the open mouth of the lower folding basket limits the first limiting portion of the upper folding basket, thereby avoiding the sliding displacement of the upper folding basket.

[0007] Preferably, the first limiting portion is a limiting protrusion.

[0008] In this solution, the first limiting part is arranged below the base, and can be mutually limited with the second limiting part below during stacking. When the folding basket is placed alone on the ground, it can also play a certain role in supporting and preventing friction.

[0009] Preferably, the size of the first limiting part is adapted to the size of the opening after the folding basket is unfolded.

[0010] In this solution, a first limiting part is arranged below the base of the folding basket. When stacking during storage after unfolding, the first limiting part of the upper folding basket can just be placed at the opening of the lower folding basket. The first limiting part protrudes to form a step, and the side baffle of the lower folding basket surrounds the first limiting part of the upper folding basket, supporting the upper folding basket and restricting the sliding of the upper folding basket.

[0011] It should be noted that the side baffle is rotatably connected and its rotation angle is between 0 and 90°. When the side baffle rotates to 90°, that is, perpendicular to the bottom surface of the folding basket, due to the rotation limit, the side baffle will not continue to flip outwards. Therefore, when the side baffle is stressed, the situation of connection and separation between the side baffles generally only occurs when the side baffle flips inwards. Preferably, the opening is larger than the first limiting part. Since the first limiting part is arranged at the opening position, it hinders the inward rotation of the side baffle. Therefore, for the stacked folding basket, the first limiting part above can also provide an anti-separation effect on the side baffle below.

[0012] Preferably, the second limiting part is a limiting protrusion; or the second limiting part is a limiting groove.

[0013] In this solution, when the second limiting part is a protrusion, when the folding baskets overlap, the second limiting part and the first limiting part can mutually limit and support the upper folding basket at the same time.

[0014] Preferably, the second limiting part includes a limiting plate arranged on the outer surface of the side baffle. After the side baffle is folded, the limiting plates enclose the shape of the first limiting part.

[0015] In this solution, the limiting plates are perpendicular to each other. Since the size of the opening formed by the unfolded folding basket is certain, and the outer shape of the first limiting part is adapted to the size of the opening, the outer shape of the first limiting part is determined, and the outer shape size enclosed by the second limiting part should also be determined. The short side plates are in the same plane after folding, so the short side plates are generally folded last. Arranging the limiting plates on the outer surface of the short side plates can reduce the setting difficulty of the second limiting part.

[0016] Preferably, a side wall is arranged on the base, the side baffle is rotatably connected to the side wall, a convex platform protruding upwards is arranged on the side wall, and a strengthening structure is arranged on the side wall at the position of the convex platform.

[0017] When the folding basket is unfolded for storage and stacked, the side baffle supports the upper folding basket and is the main stress-bearing part. Since the side baffle is rotatably connected to the base, the connection part is easily damaged due to long-term stress. Therefore, in this solution, a boss is provided on the base so that when the folding basket is unfolded and stacked, the force of the side baffle is transmitted to the boss first. At the same time, the side wall is not only convenient for the rotational connection between the side baffle and the base, but also provides a layout space for the setting of the strengthening structure. The strengthening structure improves the bearing capacity and strength of the boss, thereby improving the overall strength and service life of the folding basket.

[0018] Preferably, the side wall includes a high side wall and a low side wall, the side baffle includes a short side plate and a long side plate, the long side plate is rotatably connected to the low side wall, the short side plate is rotatably connected to the high side wall, and the rotating shaft of the long side plate rotatably connected to the side wall can slide vertically in the low side wall.

[0019] By setting side walls with different heights, the side baffles rotatably connected thereto will not interfere during folding. At the same time, the height of the short side plate is generally not greater than one-half of the length of the bottom surface of the folding basket. Therefore, when the short side plate is folded, the oppositely arranged short side plates will not interfere and can be folded without order. While the height of the long side plate is generally greater than one-half of the width of the bottom surface of the folding basket. Therefore, when folding the long side plate in the existing folding basket, it is always in order. In this solution, after any long side plate at one end is folded, during the folding process of the long side plate at the other end, its rotating shaft will automatically move upward, so that the upper long side plate can be folded to 0° and fit with the lower long side plate without tilting.

[0020] Preferably, the height of the limiting plate is less than the thickness of the first limiting part.

[0021] In this solution, when the folding baskets are folded and stacked, the first limiting part of the upper folding basket can abut against the outer surface of the side baffle of the lower folding basket to play a supporting role. However, when the height of the limiting plate is greater than the thickness of the first limiting part, during stacking, the lower limiting plate will play a supporting role, and the second limiting part is easily damaged due to excessive force.

[0022] Preferably, connecting parts perpendicular to the surface of the short side plate are provided at both ends of the short side plate, and the connecting parts are connected to the ends of the long side plate when the side baffle is unfolded.

[0023] In this solution, through the connecting parts at both ends of the short side plate, the connecting parts serve as the corners where the short side plate extends. When folding, the short side plate is folded last, which can block the rotating part of the long side plate during folding, preventing foreign objects and dust from entering the rotating part of the long side plate, or even the vertical sliding groove.

[0024] Preferably, when the side baffle is unfolded, the boss abuts against the lower surface of the connecting part.

[0025] In this solution, the connecting part of the short side plate is connected to the long side plate, and the entire side baffle supports the folding basket above when it is unfolded and stacked. At this time, the boss abuts against the lower surface of the connecting part, and the forces on the long side plate and the end side plate can be transmitted to the boss, thereby avoiding damage to the joint where the side baffle is rotatably connected to the side wall of the base.

[0026] Preferably, the side baffle and the first limiting part are provided with staggered reinforcing skeletons on their surfaces.

[0027] In this solution, a reinforcing skeleton is provided on the surface of the side baffle. While improving the support strength, it can also reduce the gap between the side baffles during folding, making the upper surface of the folded folding basket flat. At the same time, the skeleton between the side baffles can also play a certain supporting role; and a reinforcing skeleton is provided on the first limiting part, which improves the strength of the bottom surface of the folding basket and also makes the first limiting part more wear-resistant, improving the service life of the folding basket.

[0028] Preferably, the side baffles are connected by dovetail grooves. By connecting the side baffles with dovetail grooves, the side baffles can only move in one direction. But when all the side baffles are connected by dovetail grooves, the self-friction of the dovetail groove connection and the four side baffles form an interlock, effectively ensuring that the side baffles will not easily separate when the storage is subjected to an outward force from the inside, and the unfolding and installation are fast. At the same time, the folding and storage are also relatively simple, and a certain force needs to be applied to the side baffles along the direction of the dovetail groove connection to release the dovetail groove connection.

[0029] Advantages of the present utility model:

[0030] The present utility model provides a first limiting part on the base, which cooperates with the second limiting part and other strengthening structures provided on the side baffle. While improving the bearing capacity and overall strength of the folding basket, it enables the upper and lower folding baskets to be mutually limited when the folding baskets are stacked, avoiding sliding during stacking and improving the safety of the folding basket during use. Description of the Drawings

[0031] In order to more clearly illustrate the technical solution of the present invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0032] Figure 1 It is a three-dimensional view of the unfolded folding basket of the present utility model;

[0033] Figure 2 It is a three-dimensional view of the folded folding basket of the present utility model;

[0034] Figure 3 It is a bottom-up three-dimensional view of the folded folding basket of the present utility model;

[0035] Figure 4 This is the disassembly diagram of the unfolded folding basket of the present utility model;

[0036] Figure 5 This is the schematic diagram of the overlap when the folding basket of the present utility model is unfolded;

[0037] Figure 6 This is the schematic diagram of the overlap when the folding basket of the present utility model is folded;

[0038] Figure 7 For the present utility model Figure 6 The enlarged view of part A in

[0039] In the above-mentioned drawings, the corresponding reference numerals are shown as follows:

[0040] 1 - Base, 11 - First limiting part, 12 - Side wall, 121 - High side wall, 122 - Low side wall, 13 - Boss, 14 - Reinforcing structure, 2 - Side baffle, 21 - Second limiting part, 211 - Limiting plate, 22 - Short side plate, 221 - Connecting part, 23 - Long side plate, 24 - Reinforcing skeleton, 3 - Dovetail groove, 31 - Dovetail connecting block. Detailed implementation manners

[0041] Combined with the drawings, through the specific implementation manners of the embodiments of the present invention, the technical solutions of the present invention are clearly and completely described.

[0042] Embodiment 1:

[0043] As Figure 1 And Figure 2 shown, a folding basket includes a side baffle 2 and a base 1. The side baffle 2 is rotatably connected to the base 1. It is characterized in that: a first limiting part 11 is arranged at the bottom of the base 1, and a second limiting part 21 is arranged on the outer surface of the side baffle 2. When the side baffle 2 is folded, the outer shape formed by the second limiting part 21 is adapted to the outer shape of the first limiting part 11, so as to limit the sliding displacement of the stacked base 1.

[0044] It should be noted that the first limiting part includes, but is not limited to, single or multiple protrusions, grooves, cuboid steps and other shapes. At the same time, the corresponding second limiting part 21 includes, but is not limited to, single or multiple protrusions and grooves corresponding to the first limiting part 11. And when the folding baskets are stacked, no matter what state the upper and lower folding baskets are in, the first limiting part 11 of the upper folding basket will be limited by the open mouth formed by the unfolding of the lower folding basket or the second limiting part 21 exposed by folding. A preferred first limiting part is a protruding part in the shape of a square frame, and the size of the square frame is adapted to the size of the open mouth after the folding basket is unfolded.

[0045] In this embodiment, as Figure 5 AndFigure 6 As shown, the second limiting part 21 needs to be arranged on the side baffle 2 which is located at the topmost layer after folding. A first limiting part 11 is arranged below the folding basket base 1. When stacking during storage expansion, the first limiting part 11 of the upper folding basket can just be placed at the open mouth of the lower folding basket. The protrusion of the first limiting part 11 forms a step, and the side baffle 2 of the lower folding basket surrounds the first limiting part 11 of the upper folding basket, supporting the upper folding basket and restricting the sliding of the upper folding basket.

[0046] The side baffle 2 is rotatably connected, and its rotation angle is between 0 and 90°. When the side baffle 2 rotates to 90°, that is, perpendicular to the bottom surface of the folding basket, the rotation is restricted, and the side baffle 2 will not continue to flip outward. Therefore, when the side baffle 2 is stressed, the situation of connection separation between the side baffles 2 generally only occurs when the side baffle 2 flips inward. When the open mouth is larger than the first limiting part 11, since the first limiting part 11 is arranged at the open mouth position, it hinders the inward rotation of the side baffle 2. Therefore, for the stacked folding baskets, the first limiting part 11 above can also provide an anti-separation effect on the side baffle 2 below.

[0047] After the folding basket is folded and stored, the lower surface of the folding basket is the first limiting part 11, and the upper surface is the side baffle 2. The second limiting part 21 arranged on the outer surface of the side baffle 2 is adapted to the first limiting part 11 after folding. Among them, the second limiting part 21 is preferably a plurality of limiting plates 211 arranged on the outer surface of the side baffle 2. The limiting plates 211 are the same as the open mouth formed by the side baffle 2 during expansion, which can limit the first limiting part 11. At the same time, the positioning formed by the second limiting part 21 can also make the folding baskets stacked and stored more neatly.

[0048] Embodiment 2:

[0049] On the basis of Embodiment 1, to ensure that the folding baskets can also be stacked during storage, the folding baskets need to have a certain strength and load-bearing capacity. At the same time, due to the injection molding process problems and the consideration of weight reduction and cost reduction, the folding baskets are generally of a hollow structure. Therefore, on the basis of Embodiment 1, as Figures 2 to 3 shown, a side wall 12 is arranged on the base 1, the side baffle 2 is rotatably connected to the side wall 12, a convex platform 13 protruding upward is arranged on the side wall 12, and a strengthening structure 14 is arranged on the side wall 12 at the position of the convex platform 13.

[0050] When the folding baskets are stacked and placed during storage in the unfolded state, the side baffle 2 supports the upper folding basket and is the main force-bearing part. Since the side baffle 2 is rotatably connected to the base 1, the connection part is easily damaged due to long-term stress. Therefore, in this embodiment, a boss 13 is provided on the base 1 so that when the folding baskets are unfolded and stacked, the force of the side baffle 2 is transmitted to the boss 13 first. At the same time, the side wall 12 is provided not only to facilitate the rotational connection between the side baffle 2 and the base 1, but also to provide a layout space for the strengthening structure 14. The strengthening structure 14 improves the bearing capacity and strength of the boss 13, thereby enhancing the overall strength and service life of the folding basket.

[0051] It should be noted that since the side baffle 2 needs to transmit the force to the boss 13, the surface in contact with the boss 13 needs to be set flat to ensure that the force direction is perpendicular to the contact surface. However, at this time, in the first embodiment, the size of the opening formed by the unfolded folding basket is fixed, and the outer shape of the first limiting portion 11 is adapted to the size of the opening, so the outer shape of the first limiting portion 11 is determined, and the outer shape size enclosed by the second limiting portion 21 should also be determined.

[0052] Therefore, the second limiting portion 21 cannot be entirely provided on the side baffle 2. If a limiting plate 211 is provided at the rotation axis of the side baffle 2, after the side baffle 2 is folded, the outer shape formed by the second limiting portion 21 will be smaller than the first limiting portion 11 and cannot be adapted to the first limiting portion 11. Therefore, as Figure 7 shown, part of the limiting plate 211 can be provided on the side wall 12 of the base 1.

[0053] Furthermore, the boss 13 is provided at the junction between the side walls 12. The junction of the side walls 12 is the four corners of the base 1 to improve the stability of the entire folding basket when the boss 13 is supporting.

[0054] It should be noted that the height of the limiting plate 211 is less than the thickness of the first limiting portion 11. When the folding baskets are folded and stacked, the first limiting portion 11 of the upper folding basket can abut against the outer surface of the side baffle 2 of the lower folding basket to play a supporting role. However, when the height of the limiting plate 211 is greater than the thickness of the first limiting portion 11, during stacking, the lower limiting plate 211 will play a supporting role, and the second limiting portion 21 is easily damaged due to excessive force.

[0055] Even further, staggered strengthening skeletons 24 are provided on the surfaces of the side baffle 2 and the first limiting portion 11.

[0056] Specifically, a reinforcing frame 24 is provided on the surface of the side baffle 2, preferably an X-shaped cross frame, which can improve the supporting strength and reduce the gap between the side baffles 2 when folded, so that the upper surface of the folding basket is flat after folding. At the same time, the frame between the side baffles 2 can also play a certain supporting role; and the first limiting portion 11 is provided with a reinforcing frame 24, which can improve the strength of the bottom surface of the folding basket and make the first limiting portion 11 more wear-resistant, thereby increasing the service life of the folding basket.

[0057] Embodiment three:

[0058] On the basis of the first and second embodiments, a structure is provided which is quicker and more convenient to fold or install, such as Figures 1 to 4 As shown, the side wall 12 includes a high side wall 121 and a low side wall 122, and the side baffle plate 2 includes a short side plate 22 and a long side plate 23. The long side plate 23 is rotatably connected to the low side wall 122, and the short side plate 22 is rotatably connected to the high side wall 121. The rotating shaft of the long side plate 23 rotatably connected to the side wall 12 can slide in the low side wall 12 along the vertical direction.

[0059] Specifically, by setting the side walls 12 of different heights, the side baffles 2 that are rotatably connected will not interfere with each other when folding. At the same time, the height of the short side panels 22 is generally not greater than half of the length of the bottom surface of the folding basket, so when the short side panels 22 are folded, the short side panels 22 arranged opposite to them will not interfere with each other and can be folded in no particular order. The height of the long side panels 23 is generally greater than half of the width of the bottom surface of the folding basket, so the existing folding baskets will fold the long side panels 23 in a certain order. In this embodiment, after the long side panel 23 at any end is folded, the long side panel 23 at the other end will automatically move upward during the folding process, so that the upper long side panel 23 can be folded to 0° and fit with the lower long side panel 23 without warping.

[0060] In this embodiment, the long side panels 23 are rotatably connected to the low side walls 122, so when folding, the long side panels 23 are turned over and folded first, and because the rotation axes of the long side panels 23 can slide on the low side walls 122, the turning of the long side panels 23 can be done in any order, and then the short side panels 22 on the high side walls 121 are turned over. Due to the height of the short side panels 22, the symmetrically arranged end side panels will not interfere with each other after turning over and folding, but can be on the same plane, ensuring the flatness of the upper surface of the folding basket after folding.

[0061] Further, in this embodiment, the limiting plate 211 in Embodiment 1 can be directly arranged on the outer surface of the short side plate 22, ensuring that the limiting plate 211 is always on the upper surface of the folding basket after folding and will not be covered by other side baffles 2. Moreover, the limiting plate 211 on the side wall 12 can also be directly arranged on the high side wall 121. Compared with being arranged on the low side wall 122, the limiting plate 211 arranged on the high side wall 121 has a lower height, better strength, and is simpler to install and prepare. After the side baffle 2 is folded, the shape enclosed by the limiting plate 211 just fits the shape of the first limiting portion 11.

[0062] Furthermore, connecting portions 221 perpendicular to the surface of the short side plate 22 are provided at both ends of the short side plate 22. When the side baffle 2 is unfolded, the connecting portions 221 are connected to the ends of the long side plate 23.

[0063] Specifically, through the connecting portions 221 at both ends of the short side plate 22, the connecting portions 221 serve as the corners where the short side plate 22 extends. When folding, the short side plate 22 is folded last, and it can block the rotating part of the long side plate 23 during folding, preventing foreign objects and dust from entering the rotating part of the long side plate 23, or even the vertical sliding grooves.

[0064] It should be noted that when the side baffle 2 is unfolded, the convex platform 13 abuts against the lower surface of the connecting portion 221. The connecting portion 221 of the short side plate 22 is connected to the long side plate 23, and the entire side baffle 2 bears the force to support the upper folding basket when unfolded and stacked. At this time, the convex platform 13 abuts against the lower surface of the connecting portion 221, and the forces on the long side plate 23 and the end side plate can be transmitted to the convex platform 13, thereby preventing the joints where the side baffle 2 is rotatably connected to the side wall 12 of the base 1 from being damaged due to stress.

[0065] Embodiment 4:

[0066] On the basis of the above embodiments, as Figure 4 shown, the side baffles 2 are connected by dovetail grooves 3. By connecting the side baffles 2 with dovetail grooves 3, the side baffles 2 can only move in one direction. However, when all the side baffles 2 are connected by dovetail grooves 3, the self-friction of the dovetail grooves 3 and the interlocking formed by the four side baffles 2 effectively ensure that the side baffles 2 will not easily separate when the storage is subjected to an outward force from the inside, and the unfolding and installation are fast. At the same time, the folding and storage are also relatively simple, and a certain force needs to be applied to the side baffles 2 along the direction of the connection of the dovetail grooves 3 to release the connection of the dovetail grooves 3.

[0067] Specifically, the dovetail groove 3 structure is generally a dovetail connection block 31 inserted into the dovetail groove 3 for connection, and it is necessary to ensure that the groove depth direction of the dovetail groove 3 is parallel to the installation direction of the dovetail connection block 31, so that the dovetail groove 3 can be connected and installed more easily. The side baffles 2 of the folding basket can be turned around the side wall 12, so when the side baffles 2 are unfolded and connected, the stability of the baffles 2 on both sides needs to be ensured. Generally, a person needs to hold one side baffle 2 with both hands for installation. In the third embodiment, a connection part 221 is introduced on the short side plate 22. The connection part 221, as the corner extending the short side plate 22, can "stand" on the connection part 221 after being unfolded to 90 degrees. At the same time, a dovetail groove 3 is provided on the connection part 221, and dovetail connection blocks 31 adapted to the dovetail groove 3 are provided at both ends of the long side plate 23. The dovetail groove 3 can be docked and installed during the unfolding and flipping of the long side plate 23. At the same time, the force direction of the dovetail groove 3 on the connection part 221 is perpendicular to the rotation direction of the short side plate 22, so there is no need to worry about the short side plate 22 falling down during the connection, and thus one-handed installation can be achieved. While ensuring the firmness of the connection, the unfolding and installation of the folding basket can be carried out more conveniently.

[0068] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of protection claimed by the utility model.

Claims

1. A folding basket, comprising side baffles (2) and a base (1), wherein the side baffles (2) are rotatably connected to the base (1), and the folding basket has a folded state and an unfolded state. When the folding basket is in the folded state, the side baffles are folded on the base; when the folding basket is in the unfolded state, the tops of the side baffles (2) enclose to form an opening, and the characteristics are as follows: A first limiting portion (11) is provided at the bottom of the base (1), and the first limiting portion (11) is adapted to the open mouth. When two folding baskets are overlapped and the lower folding basket is in the unfolded state, the first limiting portion (11) and the open mouth are limited to each other; or, a second limiting portion (21) adapted to the first limiting portion (11) is provided on the outer surface of the side baffle (2); when two folding baskets are overlapped and the lower folding basket is in the folded state, the first limiting portion (11) of the upper folding basket and the second limiting portion (21) of the lower folding basket are limited to each other.

2. The folding basket according to claim 1, wherein: The first limiting portion (11) is a limiting protrusion.

3. The folding basket according to claim 2, wherein: The limiting protrusion is arranged in a square shape.

4. The folding basket according to claim 3, characterized in that: The size of the first limiting portion (11) is adapted to the size of the open mouth after the folding basket is unfolded.

5. A folding basket according to claim 1, characterized in that: The second limiting portion (21) is a limiting protrusion; or the second limiting portion (21) is a limiting groove.

6. The folding basket according to claim 5, wherein: The second limiting portion (21) includes a limiting plate (211) provided on the outer surface of the side baffle (2). After the side baffle (2) is folded, the limiting plate (211) encloses the shape of the first limiting portion (11).

7. A folding basket according to claim 6, characterized in that: A side wall (12) is provided on the base (1), the side baffle (2) is rotatably connected to the side wall (12), a convex platform (13) protruding upward is provided on the side wall (12), and a strengthening structure (14) is provided on the side wall (12) at the position of the convex platform (13).

8. The folding basket according to claim 7, wherein: The side wall (12) includes a high side wall (121) and a low side wall (122), the side baffle (2) includes a short side plate (22) and a long side plate (23), the long side plate (23) is rotatably connected to the low side wall (122), the short side plate (22) is rotatably connected to the high side wall (121), and the rotating shaft of the long side plate (23) rotatably connected to the side wall (12) can slide vertically in the low side wall (122).

9. A folding basket according to claim 8, characterized in that: The height of the limiting plate (211) is less than the thickness of the first limiting portion (11).

10. A folding basket according to claim 9, wherein: Connection portions (221) perpendicular to the surface of the short side plate (22) are provided at both ends of the short side plate (22). When the side baffle (2) is unfolded, the connection portions (221) are connected to the ends of the long side plate (23). When the side baffle (2) is unfolded, the convex platform (13) abuts against the lower surface of the connection portion (221). Interleaved strengthening skeletons (24) are provided on the surfaces of the side baffle (2) and the first limiting portion (11). The side baffles (2) are connected by a dovetail groove (3).

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