Foldable cart

Abstract

The utility model discloses a foldable cart which comprises a foldable basket and a foldable cart frame, the basket is detachably assembled on the cart frame, and the basket has a first folding state relative to the cart frame and a second folding state independent of the cart frame. The frame has a third folding state relative to the frame and a fourth folding state independent of the basket, through detachable design and multi-mode folding matching of the foldable basket and the frame, the space compression efficiency is achieved while the structural stability is ensured, the basket can be in linkage with the frame to be synchronously folded to form a compact storage state, and the basket can be in linkage with the frame to be folded to form a compact storage state. And the folding device can also be independently folded after being detached or flexibly and independently used according to use scenes, consumers can select corresponding folding modes or use states according to own requirements, and different use requirements of users are effectively met through multiple selections and use modes.

Description

Technical Field

[0001] This utility model relates to the field of children's products technology, and in particular to a foldable stroller. Background Technology

[0002] Existing foldable trolleys generally suffer from insufficient folding flexibility. Although the frame can be folded, the accompanying basket (or storage basket, container) is usually a rigid, non-foldable structure or has only limited folding capability. This results in the trolley still being quite large when folded, making it inconvenient to store and carry. Even if some designs allow the basket to be separated from the frame, the separated basket often cannot be folded effectively on its own and still requires a lot of independent storage space. Furthermore, the basket and frame lack a coordinated folding mechanism when connected, making it impossible to flexibly choose from various efficient storage methods such as folding only the frame, folding the basket and frame together, or folding them independently after separation, depending on the usage scenario (such as a narrow trunk or the need to use the basket alone). This limits the practicality and convenience of the product. Summary of the Invention

[0003] The main purpose of this utility model is to propose a foldable trolley, which aims to solve the problem that existing trolleys cannot select the corresponding folding method according to consumer needs.

[0004] To achieve the above objectives, this utility model proposes a foldable trolley, comprising a foldable basket and a foldable frame, wherein the basket is detachably mounted to the frame.

[0005] The basket has a first folded state relative to the frame and a second folded state independent of the frame, and the frame has a third folded state relative to the frame and a fourth folded state independent of the basket.

[0006] The first folding state and the third folding state can be selectively linked or independently folded. The second folding state is achieved by independently folding the basket after it is separated from the frame. The fourth folding state is achieved by independently folding the frame whether the basket is separated or not.

[0007] Preferably, the basket includes an upper frame, a lower frame, a handle, and a locking mechanism;

[0008] The upper frame and the lower frame are movably connected, and the upper frame can move relative to the lower frame between positions close to and far from the lower frame to achieve folding or unfolding actions;

[0009] The locking mechanism is used to lock the upper frame and the lower frame;

[0010] The handle is hinged to the upper frame and can swing relative to the upper frame between positions that are against and away from the upper frame.

[0011] Preferably, the upper frame and the lower frame are movably connected by an X-shaped connector. The two upper ends of the connector are movably connected to the upper frame and can move relative to the upper frame between positions that are close to each other and positions that are far apart. The two lower ends of the connector are movably connected to the lower frame and can move relative to the lower frame between positions that are close to each other and positions that are far apart.

[0012] Wherein, the two upper ends are separated while the two lower ends are separated, and the two upper ends are close while the two lower ends are close;

[0013] When the two upper ends are separated, the upper frame moves toward the lower frame; when the two upper ends are close together, the upper frame moves away from the lower frame.

[0014] Preferably, the upper end and the lower end are respectively pivotally provided with a first sliding sleeve and a second sliding sleeve, the first sliding sleeve being movably fitted on the upper frame and the second sliding sleeve being movably fitted on the lower frame.

[0015] Preferably, the locking mechanism includes a locking member and a top spring. The locking member is hinged to the basket. The upper and / or lower ends of the connecting member are provided with lock holes. The locking member can move relative to the basket between a position where one end is engaged in the lock hole and a position where it is disengaged. The other end of the locking member elastically abuts against one end of the top spring, and the other end of the top spring elastically abuts against the basket, so that the top spring applies a spring force to the locking member in the direction where one end is engaged in the lock hole.

[0016] Preferably, the handle end is pivotally provided with a plug, and the upper frame is provided with a socket adapted to the plug. The handle can be pivotally mounted on the upper frame through the plug and socket insertion and cooperation.

[0017] Preferably, the frame includes a support member for supporting the basket, the support member is provided with a first positioning member, the bottom of the basket is provided with a positioning hole, and the basket is positioned and assembled to the support member by inserting the first positioning member into the positioning hole.

[0018] Preferably, the support member is frame-shaped, and the bottom of the basket is provided with a plurality of second positioning members, which are located inside the support member.

[0019] Preferably, the frame is also provided with a cup sleeve.

[0020] Preferably, the frame includes a wheel assembly, a front support, a rear support, and handlebars;

[0021] The lower end of the front support is pivotally connected to the wheel assembly and can swing between positions where the upper end of the front support is close to and away from the rear wheel of the wheel assembly.

[0022] The lower end of the rear support is pivotally connected to the wheel assembly and can swing between positions where the upper end of the rear support is close to and away from the rear wheel of the wheel assembly.

[0023] The handle is provided with a joint mechanism having a swing end, the upper end of the front support is fixedly connected to the swing end, and the upper end of the front support is pivotally connected to the handle.

[0024] This utility model's technical solution achieves efficient space compression while ensuring structural stability through a detachable design of the foldable basket and frame, and a multi-mode folding mechanism. The basket can be folded synchronously with the frame to form a compact storage shape, or it can be detached and folded independently, or used flexibly alone depending on the usage scenario. Consumers can choose the appropriate folding method or usage state according to their own needs. For example, the frame and basket can be used together, with the frame and basket folding together to reduce the space occupied; or the basket can be used alone, with the frame folded independently to reduce the space occupied when the frame is not in use. These multiple options and usage methods effectively meet the different needs of users. Attached Figure Description

[0025] Figure 1 This is a perspective view of the present utility model;

[0026] Figure 2 A schematic diagram of the handlebars, basket, and frame;

[0027] Figure 3 This is a schematic diagram of the fourth folding state;

[0028] Figure 4 This is a schematic diagram of the second folded state;

[0029] Figure 5 This is a schematic diagram illustrating the linked folding process between the first and third folding states.

[0030] Figure 6 The final effect of the linked folding process between the first and third folding states is shown in the diagram.

[0031] Figure 7 This is a schematic diagram showing the first positioning component hinged to the front support component. Detailed Implementation

[0032] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0033] It should be noted that if any directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.) is involved in the embodiments of this utility model, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0034] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0035] This utility model proposes a foldable trolley.

[0036] In this embodiment of the utility model, such as Figures 1 to 6 As shown, the foldable trolley includes a foldable basket and a foldable frame, the basket being detachably mounted to the frame.

[0037] The basket has a first folded state relative to the frame and a second folded state independent of the frame, and the frame has a third folded state relative to the frame and a fourth folded state independent of the basket.

[0038] The first folding state and the third folding state can be selectively linked or independently folded. The second folding state is achieved by independently folding the basket after it is separated from the frame. The fourth folding state is achieved by independently folding the frame whether the basket is separated or not.

[0039] Specifically, the basket includes an upper frame 11, a lower frame 12, a handle 13, and a locking mechanism;

[0040] The upper frame 11 and the lower frame 12 are movably connected, and the upper frame 11 can move relative to the lower frame 12 between positions close to and far from the lower frame 12 to achieve folding or unfolding actions;

[0041] The locking mechanism is used to lock the upper frame 11 and the lower frame 12;

[0042] The handle 13 is hinged to the upper frame 11 and can swing relative to the upper frame 11 between positions that are against and away from the upper frame 11.

[0043] Specifically, the upper frame 11 and the lower frame 12 are movably connected by an X-shaped connector 100. The two upper ends of the connector 100 are movably connected to the upper frame 11 and can move relative to the upper frame 11 between positions that are close to each other and positions that are far apart. The two lower ends of the connector 100 are movably connected to the lower frame 12 and can move relative to the lower frame 12 between positions that are close to each other and positions that are far apart.

[0044] Wherein, the two upper ends are separated while the two lower ends are separated, and the two upper ends are close while the two lower ends are close;

[0045] When the two upper ends are separated, the upper frame 11 moves toward the lower frame 12; when the two upper ends are close together, the upper frame 11 moves away from the lower frame 12.

[0046] Specifically, the connector 100 is formed by two shaped components hinged together at the middle.

[0047] Specifically, the upper and lower ends are respectively pivotally provided with a first sliding sleeve 14 and a second sliding sleeve 15, the first sliding sleeve 14 being movably fitted on the upper frame 11, and the second sliding sleeve 15 being movably fitted on the lower frame 12.

[0048] Specifically, the locking mechanism includes a locking member 2 and a top spring. The locking member 2 is hinged to the basket. The upper and / or lower ends of the connecting member 100 are provided with lock holes. The locking member 2 can move between a position where it is engaged in the lock hole and a position where it is disengaged relative to the basket. The other end of the locking member 2 elastically abuts against one end of the top spring, and the other end of the top spring elastically abuts against the basket, so that the top spring applies a spring force to the locking member 2 in the direction where it is engaged in the lock hole.

[0049] Specifically, the number of connectors 100 and locking mechanisms is one pair.

[0050] Specifically, the lock hole is located on the first sliding sleeve 14 or the second sliding sleeve 15.

[0051] Specifically, the handle 13 has a pivotally mounted plug 16 at its end, and the upper frame 11 has a socket 17 adapted to the plug 16. The handle 13 can be pivotally mounted on the upper frame 11 through the plug 16 and the socket 17.

[0052] Specifically, the plug-in 16 and the socket 17 are fixed together by a snap-fit ​​structure, interference fit or overfit. In this embodiment, the socket 17 is provided with a slot, and the plug-in 16 is provided with a buckle that can be displaced by external force. After the plug-in 16 is inserted into the socket 17, it is fixed by the buckle being snapped into the slot. To release the fixation, external force, such as hand pressure, is required to make the buckle come out of the slot.

[0053] Specifically, the number of handles 13 is at least one, and when there are two or more, the same end of the multiple handles 13 can be pivotally mounted with the plug-in 16, and a detachable connection structure 18 is also provided. When the handle 13 swings to abut against the upper frame 11, there is a local position between the handle 13 and the upper frame 11 through the detachable connection structure 18 to achieve a detachable connection.

[0054] Specifically, the detachable connection structure 18 can be referred to the prior art, and its specific principle and structure will not be described in detail here.

[0055] Specifically, the handle 13 is U-shaped, with the plug-in 16 at both ends.

[0056] Specifically, the basket also includes a first software.

[0057] Specifically, the frame includes a support member 31 for supporting the basket. The support member 31 is provided with a first positioning member 32. The bottom of the basket is provided with a positioning hole. The basket is positioned and assembled on the support member 31 by inserting the first positioning member 32 into the positioning hole.

[0058] Specifically, one of the second sliding sleeves 15 is provided with the positioning hole.

[0059] Specifically, the lock hole and the positioning hole can be the same hole or two different holes. When they are the same hole, after the first positioning member 32 is inserted into the positioning hole, it can push the end of the locking member 2 inside the hole out of the positioning hole, thereby replacing the locking function of the locking member 2.

[0060] Specifically, the first positioning member 32 is a pair, linearly spaced on the support member 31.

[0061] The first positioning member 32 is fixedly or movably sleeved on the support member 31, and the first positioning member 32 is partially inserted into the positioning hole.

[0062] Specifically, the support member 31 is frame-shaped, and the bottom of the basket is provided with a plurality of second positioning members 19, which are located inside the support member 31.

[0063] Specifically, a support rod 33 is also provided, and the two ends of the support rod 33 are respectively connected to the first positioning member 32.

[0064] Specifically, the bottom of the lower frame 12 is also provided with a plate-shaped component 10.

[0065] Specifically, a plurality of the second positioning elements 19 are disposed on the bottom wall of the plate-shaped member 10.

[0066] Specifically, a movable member 101 is movably disposed at the bottom of the plate-shaped member 10, corresponding to the inner side of the support member 31. The movable member 101 can move relative to the support member 31, between positions that are vertically opposite and offset from the bottom of the support member 31. A spring applies a spring force to the movable member 101 in a direction that is vertically opposite to the bottom of the support member 31, thereby preventing the basket from detaching from the support member 31 by means of the movable member 101 being vertically opposite to the bottom of the support member 31. Of course, other methods can also be used to prevent the basket from detaching from the support member 31.

[0067] Specifically, there are at least two movable parts 101, and the two movable parts 101 are arranged at a mirror interval at the bottom of the plate-shaped member 10.

[0068] Specifically, the plate-shaped member is provided with a clearance position to facilitate the movement of the first sliding sleeve.

[0069] Specifically, the frame is also equipped with a cup sleeve 4.

[0070] Specifically, the frame includes a wheel assembly 51, a front support 52, a rear support 53, and a handlebar assembly 54.

[0071] The lower end of the front support 52 is pivotally connected to the wheel assembly 51 and can swing between positions where the upper end of the front support 52 is close to and away from the rear wheel of the wheel assembly 51.

[0072] The lower end of the rear support 53 is pivotally connected to the wheel assembly 51 and can swing between a position where the upper end of the rear support 53 is close to the rear wheel of the wheel assembly 51 and a position away from it.

[0073] The handle 54 is provided with a joint mechanism 55 having a swing end 56. The upper end of the front support 52 is fixedly connected to the swing end 56, and the upper end of the front support is pivotally connected to the handle 54.

[0074] The first positioning member 32 is also hinged to the rear support member 53 or the front support member 52.

[0075] Specifically, when the first positioning member 32 is movably sleeved on the support member 31, and the locking hole and the positioning hole are the same hole, although the first positioning member 32 is movable, it can only be moved after the locking state of the swing end 56 of the joint mechanism 55 is released. Therefore, the problem of the first positioning member 32 being unable to lock the upper frame 11 and the lower frame 12 when inserted into the positioning hole will not occur.

[0076] Specifically, the middle portions of the front support 52 and the rear support 53 are pivotally connected to the support 31, as shown below. Figures 1 to 6As shown, the middle part of the rear support 53 is specifically hinged to the first positioning member 32 provided on the support member 31, thereby realizing the pivotal connection between the rear support 53 and the support member 31.

[0077] In another embodiment, such as Figure 7 As shown, the middle part of the front support 52 is specifically hinged to the first positioning member 32 provided on the support member 31, thereby realizing the pivotal connection between the front support 52 and the support member 31.

[0078] Understandably, the connection between the front support 52 and the support 31, and the connection between the rear support 53 and the support 31, provide sufficient support to the support 31 through these two connection points, so that the basket mounted on it will not easily shake.

[0079] Furthermore, regardless of whether the first positioning member 32 is hinged to the front support member 52 or the rear support member 53, it can drive the basket during the folding process of the frame, realizing the linkage function between the frame and the basket.

[0080] Specifically, the handle 54 is U-shaped, and the joint mechanism 55 is provided at both ends of the handle 54. The number of the front support 52 and the rear support 53 are both a pair, which are respectively connected to the two ends of the handle 54.

[0081] Specifically, the handle 54 is also equipped with a braking mechanism, which can be referred to in the prior art. Its specific structure will not be described in detail here.

[0082] Specifically, the wheel assembly 51 and the joint structure can be directly referred to the existing technology, and their specific structural principles will not be elaborated here.

[0083] The swing end 56 of the joint mechanism 55 can be locked or unlocked through the joint mechanism 55. When the frame needs to be folded, such as Figure 3 , Figure 5 and Figure 6 As shown, first release the locking of the joint mechanism 55 to the swing end 56, and then drive the front support 52 and the rear support 53 to swing by swinging the handle 54 until the upper ends of the front support 52 and the rear support 53 are as close as possible to the rear wheel of the wheel assembly 51, and the folding action of the frame is completed.

[0084] When the basket is mounted on the frame and folded independently, i.e. the basket is folded while the frame is not folded, this is the first folded state.

[0085] When the basket is folded after separating from the frame, it is in the second folded state.

[0086] When the frame and basket are assembled and folded independently, i.e. the frame is folded but the basket is not folded, this is the third folding state.

[0087] When the frame is separated from the basket and then folded, it is in the fourth folding state.

[0088] When the first positioning member 32 is fixedly installed on the support member 31, the basket and the frame are independent of each other and have no linkage relationship. That is, the basket and the frame need to be folded independently to complete the overall folding action of the trolley, forming an independent folding state for the first folding state and the third folding state.

[0089] When the first positioning member 32 is movably sleeved on the support member 31, and the first positioning member 32 is partially inserted into the positioning hole of the second sliding sleeve 15, and the middle part of the rear support member 53 is pivotally connected to the first positioning member 32, when the frame is folded, the first positioning member 32 can move linearly relative to the support member 31 by the swing of the rear support member 53, thereby driving the second sliding sleeve 15 to slide, thereby realizing the two lower ends of the connecting member 100 to move away from each other, and finally realizing the folding action of the basket, that is, the basket and the frame are linked to achieve simultaneous folding, forming a linked folding for the first folding state and the third folding state.

[0090] Specifically, the frame also includes a second software.

[0091] It should be noted that this utility model is applicable to a wide range of users, including but not limited to infants and pets.

[0092] This utility model's technical solution achieves efficient space compression while ensuring structural stability through a detachable design of the foldable basket and frame, and a multi-mode folding mechanism. The basket can be folded synchronously with the frame to form a compact storage shape, or it can be detached and folded independently, or used flexibly alone depending on the usage scenario. Consumers can choose the appropriate folding method or usage state according to their own needs. For example, the frame and basket can be used together, with the frame and basket folding together to reduce the space occupied; or the basket can be used alone, with the frame folded independently to reduce the space occupied when the frame is not in use. These multiple options and usage methods effectively meet the different needs of users.

[0093] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A foldable trolley, comprising a foldable basket and a foldable frame, wherein the basket is detachably mounted to the frame, characterized in that: The basket has a first folded state relative to the frame and a second folded state independent of the frame, and the frame has a third folded state relative to the frame and a fourth folded state independent of the basket. The first folding state and the third folding state can be selectively linked or independently folded. The second folding state is achieved by independently folding the basket after it is separated from the frame. The fourth folding state is achieved by independently folding the frame whether the basket is separated or not.

2. The foldable trolley as described in claim 1, characterized in that: The basket includes an upper frame (11), a lower frame (12), a handle (13), and a locking mechanism; The upper frame (11) and the lower frame (12) are movably connected, and the upper frame (11) can move relative to the lower frame (12) between positions close to and far from the lower frame (12) to achieve folding or unfolding actions; The locking mechanism is used to lock the upper frame (11) and the lower frame (12); The handle (13) is hinged to the upper frame (11) and can swing relative to the upper frame (11) between positions that are against and away from the upper frame (11).

3. The foldable trolley as described in claim 2, characterized in that: The upper frame (11) and the lower frame (12) are movably connected by an X-shaped connector (100). The two upper ends of the connector (100) are movably connected to the upper frame (11) and can move relative to the upper frame (11) between positions that are close to each other and positions that are far apart. The two lower ends of the connector (100) are movably connected to the lower frame (12) and can move relative to the lower frame (12) between positions that are close to each other and positions that are far apart. Wherein, the two upper ends are separated while the two lower ends are separated, and the two upper ends are close while the two lower ends are close; When the two upper ends are separated, the upper frame (11) moves toward the lower frame (12); when the two upper ends are close, the upper frame (11) moves away from the lower frame (12).

4. The foldable trolley as described in claim 3, characterized in that: The upper and lower ends are respectively provided with a first sliding sleeve (14) and a second sliding sleeve (15), the first sliding sleeve (14) is movably sleeved on the upper frame (11), and the second sliding sleeve (15) is movably sleeved on the lower frame (12).

5. The foldable trolley as described in claim 3, characterized in that: The locking mechanism includes a locking member (2) and a top spring. The locking member (2) is hinged to the basket. The upper and / or lower ends of the connecting member (100) are provided with lock holes. The locking member (2) can move between a position where it is engaged in the lock hole and a position where it is disengaged relative to the basket. The other end of the locking member (2) elastically abuts against one end of the top spring, and the other end of the top spring elastically abuts against the basket, so that the top spring applies a spring force to the locking member (2) in the direction where it is engaged in the lock hole.

6. The foldable trolley as described in claim 2, characterized in that: The handle (13) is pivotally provided with a plug (16) at its end, and the upper frame (11) is provided with a socket (17) adapted to the plug (16). The handle (13) can be pivotally installed on the upper frame (11) through the plug (16) and the socket (17).

7. The foldable trolley as described in claim 1, characterized in that: The frame includes a support member (31) for supporting the basket. The support member (31) is provided with a first positioning member (32). The bottom of the basket is provided with a positioning hole. The basket is positioned and assembled on the support member (31) by inserting the first positioning member (32) into the positioning hole.

8. The foldable trolley as described in claim 7, characterized in that: The support member (31) is frame-shaped, and the bottom of the basket is provided with several second positioning members (19), which are located inside the support member (31).

9. The foldable trolley as described in claim 1, characterized in that: The frame is also equipped with a cup sleeve (4).

10. The foldable trolley as described in claim 7, characterized in that: The frame includes a wheel assembly (51), a front support (52), a rear support (53), and a handlebar assembly (54). The lower end of the front support (52) is pivotally connected to the wheel assembly (51) and can swing between positions where the upper end of the front support (52) is close to and away from the rear wheel of the wheel assembly (51). The lower end of the rear support (53) is pivotally connected to the wheel assembly (51) and can swing between positions where the upper end of the rear support (53) is close to and away from the rear wheel of the wheel assembly (51). The handle (54) is provided with a joint mechanism (55) having a swing end (56), the upper end of the front support (52) is fixedly connected to the swing end (56), and the upper end of the front support is pivotally connected to the handle (54). The first positioning member (32) is also hinged to the rear support member (53) or the front support member (52).

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