A sleeping basket and a stroller with smooth folding

Abstract

This utility model discloses a smoothly folding and unfolding bassinet and stroller, including a frame assembly, a base frame assembly, a front linkage assembly, a rear linkage assembly, a frame joint, and a frame unlocking mechanism; the upper end of the front linkage is rotatably connected to the front frame, and the lower end of the front linkage is relatively fixedly connected to the transition base frame; the upper end of the first linkage rod is directly or indirectly rotatably connected to the front end of the rear frame, the middle part of the first linkage rod is rotatably and slidably connected to the middle part of the front linkage rod, the lower end of the first linkage rod is movably connected to the upper part of the second linkage rod, and the lower end of the second linkage rod is rotatably connected to the front base frame, so that while achieving the folding and unfolding function, it simplifies the number of rods and reduces the overall weight and manufacturing cost.

Description

[Technical Field]

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

[0002] Baby bassinets are essential tools for daily infant care and travel. Currently, foldable baby bassinets have become mainstream in the market. Their core strength lies in their rational structural design, allowing key components such as the frame and base to be folded down to reduce storage volume. Folding methods include folding the upper frame relative to the base vertically, and folding the front and rear frames forward and backward. For vertical folding, the upper frame and base cannot be folded further, resulting in a relatively large overall size after folding, affecting storage and portability. For forward and backward folding, the folded volume is smaller, and this design is widely favored by designers, manufacturers, and consumers.

[0003] However, many current baby bassinets with front and back folding designs use multiple rods to link the perimeter and the base. Due to the large number of rods, not only is the weight of the bassinet increased, but the complexity of its structure and manufacturing cost are also increased.

[0004] Therefore, this utility model was developed to address the aforementioned problems. [Utility Model Content]

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a sleeping basket that can be smoothly folded up and down. This basket is made possible by a rotatable and slidable connection between the middle part of the first linkage rod and the middle part of the front linkage rod, and a movable connection between the end of the first linkage rod and the upper part of the second linkage rod. While achieving the folding and unfolding function, this invention simplifies the number of rods and reduces the overall weight and manufacturing cost.

[0006] This utility model also provides a children's stroller that, through the integration of an innovative bassinet structure, can effectively reduce the overall weight and manufacturing cost.

[0007] To solve the above-mentioned technical problems, this utility model provides a sleeping basket that can be easily unfolded and retracted, comprising:

[0008] Frame assembly 1, the frame assembly 1 includes a front frame 11 and a rear frame 12 that can be folded in opposite directions or unfolded in opposite directions, the front frame 11 and the rear frame 12 being rotatably connected.

[0009] The underframe assembly 2 includes a front underframe 21, a transition underframe 22 and a rear underframe 23. The front side of the transition underframe 22 is rotatably connected to the rear side of the front underframe 21, and the rear side of the transition underframe 22 is rotatably connected to the front side of the rear underframe 23.

[0010] The front linkage assembly 3 includes a front connecting rod 31, a first linkage rod 32, and a second linkage rod 33. The upper end of the front connecting rod 31 is rotatably connected to the front frame 11, and the lower end of the front connecting rod 31 is relatively fixedly connected to the transition base frame 22. The upper end of the first linkage rod 32 is rotatably connected to the front part of the rear frame 12 or the rear part of the front frame 11. The middle part of the first linkage rod 32 is rotatably and slidably connected to the middle part of the front connecting rod 31. The lower end of the first linkage rod 32 is movably connected to the upper part of the second linkage rod 33, and the lower end of the second linkage rod 33 is rotatably connected to the front base frame 21.

[0011] The rear linkage component 4 is connected to the rear frame 12 and the rear base frame 23 respectively; or the rear linkage component 4 is connected to the rear frame 12, the transition base frame 22 and the rear base frame 23 respectively.

[0012] Frame joint 5, which is located between the front frame 11 and the rear frame 12, is used to lock the front frame 11 relative to the rear frame 12.

[0013] The frame unlocking mechanism 6 is located on the front frame 11 or the rear frame 12 and is linked to the frame joint 5 so as to unlock the locking state of the front frame 11 relative to the rear frame 12.

[0014] As described above, in a sleeping basket that can be easily unfolded and retracted, the upper end of the first linkage rod 32 is rotatably connected to the front part of the rear frame 12, the middle part of the first linkage rod 32 is rotatably and slidably connected to the middle part of the front connecting rod 31, and the lower end of the first linkage rod 32 is rotatably and slidably connected to the upper part of the second linkage rod 33.

[0015] As described above, in a sleeping basket that can be easily unfolded and retracted, the upper end of the first linkage rod 32 is rotatably connected to the rear of the front frame 11, the middle part of the first linkage rod 32 is rotatably and slidably connected to the middle part of the front connecting rod 31, and the lower end of the first linkage rod 32 is rotatably connected to the upper end of the second linkage rod 33.

[0016] As described above, in a sleeping basket that can be easily retracted and extended, the first linkage rod 32 has a first elongated hole 321 in the middle, and a first rotating shaft 322 is rotatably and slidably inserted in the first elongated hole 321. The corresponding end of the first rotating shaft 322 is located on the middle of the front connecting rod 31.

[0017] As described above, in a sleeping basket that can be easily unfolded and retracted, the upper part of the second linkage rod 33 is provided with a second elongated hole 331, and a second rotating shaft 332 is rotatably and slidably inserted in the second elongated hole 331. The corresponding end of the second rotating shaft 332 is provided on the lower end of the first linkage rod 32.

[0018] As described above, in a sleeping basket that can be easily retracted and extended, the rear linkage assembly 4 includes a middle connecting rod 41 and a rear connecting rod 42; the upper end of the middle connecting rod 41 is rotatably connected to the front part of the rear frame 12, and the lower end of the middle connecting rod 41 is rotatably connected to the rotatable connection between the rear side of the transition base frame 22 and the front side of the rear base frame 23; the upper end of the rear connecting rod 42 is rotatably connected to the middle or rear part of the rear frame 12, and the lower end of the rear connecting rod 42 is rotatably connected to the middle or rear part of the rear base frame 23.

[0019] As described above, in a folding and unfolding bassinet, the frame joint 5 includes a front joint block 51 and a rear joint block 52 that are pivotally connected to each other. The front joint block 51 is connected to the front frame 11, and the rear joint block 52 is connected to the rear frame 12.

[0020] As described above, in a folding and unfolding bassinet, the frame joint 5 further includes a joint locking component 53 disposed between the front joint block 51 and the rear joint block 52 for locking the front joint block 51 relative to the rear joint block 52. The frame unlocking mechanism 6 is used to trigger the unlocking action of the joint locking component 53 to release the locking state of the front joint block 51 relative to the rear joint block 52.

[0021] As described above, in a folding and unfolding bassinet, the joint locking assembly 53 includes a joint locking part 531 disposed on the front joint block 51 and a joint locking member 532 movably disposed on the rear joint block 52 for locking and engaging with the joint locking part 531. A joint locking elastic member 533 is provided between the joint locking member 532 and the rear joint block 52 for driving the joint locking member 532 to elastically reset. The frame unlocking mechanism 6 is used to link the unlocking action of the joint locking member 532 to release the locking state of the front joint block 51 relative to the rear joint block 52.

[0022] As described above, in a sleeping basket that can be easily unfolded and retracted, the frame unlocking mechanism 6 is movably provided on the frame unlocking handle 61 on the rear frame 12, and the frame unlocking handle 61 is connected to the joint locking member 532 by the frame unlocking pull rope 62.

[0023] As described above, in a folding and unfolding bassinet, a drive portion 521 extending forward of the front frame 11 is formed on the rear joint block 52, and the upper end of the first linkage rod 32 is rotatably connected to the end of the drive portion 521.

[0024] As described above, in a sleeping basket that can be easily retracted and extended, the upper end of the first linkage rod 32 is hinged to the end of the drive unit 521 via pivot A, the front joint block 51 and the rear joint block 52 are hinged to each other via pivot B, and the upper end of the front connecting rod 31 is hinged to the front frame 11 via pivot C. Pivot A is located between pivot B and pivot C.

[0025] This utility model also provides a children's stroller, including a frame body 100 that can be switched between an unfolded state and a folded state, and a bassinet connected to the frame body 100 as described above that can be smoothly unfolded and folded.

[0026] As described above, in a stroller, the frame body 100 is provided with a frame connector, and the transition base 22 is provided with a bassinet connector for detachable connection with the frame connector.

[0027] Compared with the prior art, the present invention has the following advantages:

[0028] 1. This utility model achieves the goal of simplifying the number of rods and reducing the overall weight and manufacturing cost by rotatably and slidably connecting the middle part of the first linkage rod to the middle part of the front linkage rod and movably connecting the end of the first linkage rod to the upper part of the second linkage rod while realizing the retraction and extension function.

[0029] 2. The frame assembly works in conjunction with the base frame assembly through the front linkage assembly and the rear linkage assembly. That is, during the folding process of the front frame and the rear frame facing each other, the front frame will be pulled by the front linkage assembly to fold the front base frame closer to the front frame, and the rear frame will be pulled by the rear linkage assembly to fold the rear base frame closer to the rear frame. This ensures that the folding actions of the frame assembly and the base frame assembly are completely synchronized, which can effectively ensure that the movement trajectory of each part is determined during the folding process of the bassinet, improve the folding efficiency and reduce the overall storage volume, making it convenient for users to carry and store. [Attached Image Description]

[0030] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0031] Figure 1 This is a perspective view of the sleeping basket in Embodiment 1 of this utility model.

[0032] Figure 2 This is a side view of the sleeping basket in Embodiment 1 of this utility model.

[0033] Figure 3 This is one of the side views of the folding process of the sleeping basket in Embodiment 1 of this utility model.

[0034] Figure 4 This is the second side view of the folding process of the sleeping basket in Embodiment 1 of this utility model.

[0035] Figure 5 This is an exploded view of the frame joint in Embodiment 1 of this utility model.

[0036] Figure 6 This is one of the side views of Embodiment 1 of this utility model when the sleeping basket is connected to the main body of the vehicle frame.

[0037] Figure 7This is a second side view of Embodiment 1 of this utility model when the sleeping basket is connected to the main body of the vehicle frame.

[0038] Figure 8 This is a perspective view of the sleeping basket in Embodiment 2 of this utility model.

[0039] Figure 9 This is a side view of the sleeping basket in Embodiment 2 of this utility model.

[0040] Figure 10 This is one of the side views of the folding process of the sleeping basket in Embodiment 2 of this utility model.

[0041] Figure 11 This is the second side view of the folding process of the sleeping basket in Embodiment 2 of this utility model.

Detailed Implementation Methods

[0042] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0043] like Figure 1-11As shown, this utility model discloses a smoothly folding and unfolding sleeping basket, comprising a frame assembly 1, a base frame assembly 2, a front linkage assembly 3, a rear linkage assembly 4, a frame joint 5, and a frame unlocking mechanism 6. The frame assembly 1 includes a front frame 11 and a rear frame 12 that can be folded in opposite directions or unfolded in opposite directions, and the front frame 11 and rear frame 12 are rotatably connected. The base frame assembly 2 includes a front base frame 21, a transition base frame 22, and a rear base frame 23. The front side of the transition base frame 22 is rotatably connected to the rear side of the front base frame 21, and the rear side of the transition base frame 22 is rotatably connected to the front side of the rear base frame 23. The front linkage assembly 3 includes a front connecting rod 31, a first linkage rod 32, and a second linkage rod 33. The upper end of the front connecting rod 31 is rotatably connected to the front frame 11, and the lower end of the front connecting rod 31 is relatively fixedly connected to the transition base frame 22. The upper end of the first linkage rod 32 is rotatably connected to the front of the rear frame 12 or the rear of the front frame 11. The first linkage rod 32 is rotatably and slidably connected to the middle of the front connecting rod 31. The lower end of the first linkage rod 32 is movably connected to the upper part of the second linkage rod 33, and the lower end of the second linkage rod 33 is rotatably connected to the front base frame 21. The rear linkage assembly 4 is rotatably connected to the rear frame 12 and the rear base frame 23 respectively; or the rear linkage assembly 4 is rotatably connected to the rear frame 12, the transition base frame 22, and the rear base frame 23 respectively. The frame joint 5 is located between the front frame 11 and the rear frame 12 and is used to lock the front frame 11 relative to the rear frame 12. The frame unlocking mechanism 6 is provided on the front frame 11 or the rear frame 12 and is linked with the frame joint 5 to unlock the locked state of the front frame 11 relative to the rear frame 12. By rotatably and slidably connecting the middle of the first linkage rod to the middle of the front connecting rod and movably connecting the end of the first linkage rod to the upper part of the second linkage rod, the number of rods is simplified, and the overall weight and manufacturing cost are reduced while achieving the retraction and extension function.

[0044] In this invention, the frame assembly works in conjunction with the base frame assembly through a front linkage assembly and a rear linkage assembly. Specifically, during the folding process of the front and rear frames facing each other, the front frame is simultaneously pulled by the front linkage assembly to fold the front base frame closer to the front frame, and the rear frame is simultaneously pulled by the rear linkage assembly to fold the rear base frame closer to the rear frame. This ensures that the folding actions of the frame assembly and the base frame assembly are completely synchronized, effectively ensuring that the movement trajectory of each component is determined during the folding process of the bassinet, improving the folding efficiency and reducing the overall storage volume, making it convenient for users to carry and store.

[0045] like Figure 1-7 As shown, in order to ensure smooth retraction and extension, the upper end of the first linkage rod 32 is rotatably connected to the front part of the rear frame 12, the middle part of the first linkage rod 32 is rotatably and slidably connected to the middle part of the front connecting rod 31, and the lower end of the first linkage rod 32 is rotatably and slidably connected to the upper part of the second linkage rod 33.

[0046] like Figure 8-11 As shown, in order to ensure smooth retraction and extension, the upper end of the first linkage rod 32 is rotatably connected to the rear of the front frame 11, the middle part of the first linkage rod 32 is rotatably and slidably connected to the middle part of the front connecting rod 31, and the lower end of the first linkage rod 32 is rotatably connected to the upper end of the second linkage rod 33.

[0047] like Figure 1-11 As shown, the first linkage rod 32 has a first elongated hole 321 extending along its length in the middle. A first rotating shaft 322 is rotatably and slidably inserted through the first elongated hole 321. The corresponding end of the first rotating shaft 322 is located on the middle of the front connecting rod 31. Through the cooperation between the first elongated hole 321 and the first rotating shaft 322, the first linkage rod 32 is allowed to simultaneously undergo a combined sliding (along the length of the elongated hole) and rotation (around the axis of the rotating shaft) motion with the front connecting rod 31. This design can flexibly adapt to the differentiated displacement requirements of the front frame 11, the transition base frame 22, and the front base frame 21 during the extension and retraction process. In addition, the first pivot 322 can slide within the first strip hole 321, which is equivalent to providing dynamic adjustment space for the connection between the first linkage rod 32 and the front linkage 31: when a component is slightly offset due to external factors, the first pivot 322 can compensate for the position deviation by sliding, ensuring that the first linkage rod 32 always maintains the correct direction of movement, avoiding deviation of the folding and unfolding action from the design trajectory due to position misalignment (such as the frame and the base frame not being able to be fully aligned for folding), thereby ensuring the accuracy of the folding and unfolding action.

[0048] In some embodiments, the first elongated hole 321 is provided on the front connecting rod 31, and the first rotating shaft 322 is provided on the first linkage rod 32.

[0049] like Figure 1-4 As shown, the upper part of the second linkage rod 33 is provided with a second elongated hole 331 extending along its length direction. A second rotating shaft 332 is rotatably and slidably inserted into the second elongated hole 331. The corresponding end of the second rotating shaft 332 is located on the lower end of the first linkage rod 32. In this embodiment, the usage of the second elongated hole 331 and the second rotating shaft 332 is the same as that of the first elongated hole 321 and the first rotating shaft 322, and will not be described again here.

[0050] In some embodiments, the second elongated hole 331 is provided on the first linkage rod 32, and the second rotating shaft 332 is provided on the second linkage rod 33.

[0051] like Figure 1-11As shown, the rear linkage assembly 4 includes a middle connecting rod 41 and a rear connecting rod 42. The upper end of the middle connecting rod 41 is rotatably connected to the front of the rear frame 12, and the lower end of the middle connecting rod 41 is rotatably connected to the rotational connection between the rear side of the transition base frame 22 and the front side of the rear base frame 23. This design allows the middle connecting rod to directly transmit the movement of the front of the rear frame and the rotational connection between the rear side of the transition base frame 22 and the front side of the rear base frame 23, ensuring that when the rear frame folds forward, the connection area between the transition base frame and the rear base frame can fold inward synchronously, avoiding "misalignment" between the frame and the base frame caused by the lag in the movement of the middle part of the base frame. The upper end of the rear connecting rod 42 is rotatably connected to the middle or rear of the rear frame 12, and the lower end of the rear connecting rod 42 is rotatably connected to the middle or rear of the rear base frame 23. That is, the rear connecting rod can guide the rear base frame 23 to follow the movement trajectory of the rear of the rear frame, ensuring that the rear base frame maintains a synchronous folding angle with the rear of the rear frame when folding, avoiding the rear base frame from twisting and deforming due to independent force, realizing multi-dimensional coordinated movement of the rear frame and the base frame, and improving the synchronization of folding and unfolding.

[0052] like Figure 1-11 As shown, for reliable connection, the frame joint 5 includes a front joint block 51 and a rear joint block 52 that are pivotally connected to each other. The front joint block 51 is connected to the front frame 11, and the rear joint block 52 is connected to the rear frame 12.

[0053] like Figure 1-11 As shown, in order to ensure reliable locking and convenient unlocking, the frame joint 5 also includes a joint locking component 53 disposed between the front joint block 51 and the rear joint block 52 for locking the front joint block 51 relative to the rear joint block 52. The frame unlocking mechanism 6 is used to link the unlocking action of the joint locking component 53 to release the locking state of the front joint block 51 relative to the rear joint block 52.

[0054] like Figure 1-11 As shown, for reliable locking, the joint locking assembly 53 includes a joint locking part 531 disposed on the front joint block 51 and a joint locking member 532 movably disposed on the rear joint block 52 for locking and engaging with the joint locking part 531. A joint locking elastic member 533 is provided between the joint locking member 532 and the rear joint block 52 for driving the joint locking member 532 to elastically reset. The frame unlocking mechanism 6 is used to link the unlocking action of the joint locking member 532 to release the locking state of the front joint block 51 relative to the rear joint block 52.

[0055] like Figure 1-11As shown, for easy unlocking, the frame unlocking mechanism 6 is movably mounted on the rear frame 12 with a frame unlocking handle 61. The frame unlocking handle 61 is connected to the joint locking member 532 via a frame unlocking pull rope 62. During unlocking, operating the frame unlocking handle 61 relative to the rear frame 12 causes the joint locking member 532 to move (e.g., slide) relative to the rear joint block 52 via the frame unlocking pull rope 62, thereby separating the joint locking member 532 from the joint locking part 531 and releasing the locking state of the front joint block 51 relative to the rear joint block 52.

[0056] like Figure 1-4 As shown, a drive portion 521 extending forward of the front frame 11 is formed on the rear joint block 52. The upper end of the first linkage rod 32 is rotatably connected to the end of the drive portion 521. As an extension structure of the rear joint block 52, the drive portion 521 is directly connected to the upper end of the front linkage rod 32. Its movement trajectory is determined by the rotation of the rear joint block (it moves in an arc around the pivot B of the front joint block 51 and the front joint block 52). The movement of the front linkage rod 32 is directly related to the movement of the front connecting rod 31 and the base frame assembly. This design creates a direct "drive-transmission" coupling relationship between the rotation of the frame joint and the movement of the front linkage assembly: when the user pushes the rear frame 12 to fold, the rear joint block 52 rotates around the pivot B, and the drive portion 521 transmits this movement to the front connecting rod 31 through the first linkage rod 32, guiding the front base frame 21 and the transition base frame 22 to fold synchronously; when unfolding, the rear joint block 52 rotates in the opposite direction, and the drive portion 521 pulls the front connecting rod 31 through the first linkage rod 32, pushing the base frame assembly to unfold.

[0057] like Figure 2 As shown, in order to facilitate smooth retraction and extension, shorten the force transmission path, and reduce user operating resistance, the upper end of the first linkage rod 32 is hinged to the end of the drive unit 521 via pivot A, the front joint block 51 and the rear joint block 52 are hinged via pivot B, and the upper end of the front connecting rod 31 is hinged to the front frame 11 via pivot C. Pivot A is located between pivot B and pivot C.

[0058] like Figure 1-11 As shown, this utility model discloses a children's stroller, including a frame body 100 that can be switched between an unfolded and folded state, and a foldable bassinet connected to the frame body 100 as described above. By integrating an innovative bassinet structure, the overall weight and manufacturing cost can be effectively reduced.

[0059] For easy assembly and disassembly and reliable connection, the frame body 100 is provided with a frame connector, and the transition base 22 is provided with a bassinet connector for detachable connection with the frame connector.

Claims

1. A sleeping basket that unfolds and retracts smoothly, characterized in that... include: A frame assembly (1) comprising a front frame (11) and a rear frame (12) that can be folded in opposite directions or unfolded in opposite directions, the front frame (11) and the rear frame (12) being rotatably connected. The underframe assembly (2) includes a front underframe (21), a transition underframe (22) and a rear underframe (23). The front side of the transition underframe (22) is rotatably connected to the rear side of the front underframe (21), and the rear side of the transition underframe (22) is rotatably connected to the front side of the rear underframe (23). The front linkage assembly (3) includes a front connecting rod (31), a first linkage rod (32), and a second linkage rod (33). The upper end of the front connecting rod (31) is rotatably connected to the front frame (11), and the lower end of the front connecting rod (31) is relatively fixedly connected to the transition base frame (22). The upper end of the first linkage rod (32) is rotatably connected to the front part of the rear frame (12) or the rear part of the front frame (11). The middle part of the first linkage rod (32) is rotatably and slidably connected to the middle part of the front connecting rod (31). The lower end of the first linkage rod (32) is movably connected to the upper part of the second linkage rod (33), and the lower end of the second linkage rod (33) is rotatably connected to the front base frame (21). The rear linkage assembly (4) is connected to the rear frame (12) and the rear base frame (23) respectively; or the rear linkage assembly (4) is connected to the rear frame (12), the transition base frame (22) and the rear base frame (23) respectively. A frame joint (5) is located between the front frame (11) and the rear frame (12) for locking the front frame (11) relative to the rear frame (12). The frame unlocking mechanism (6) is located on the front frame (11) or the rear frame (12) and is linked to the frame joint (5) so as to unlock the locking state of the front frame (11) relative to the rear frame (12) by linking the frame joint (5).

2. The folding and unfolding sleeping basket according to claim 1, characterized in that... The upper end of the first linkage rod (32) is rotatably connected to the front part of the rear frame (12), the middle part of the first linkage rod (32) is rotatably and slidably connected to the middle part of the front connecting rod (31), and the lower end of the first linkage rod (32) is rotatably and slidably connected to the upper part of the second linkage rod (33).

3. The folding and unfolding bassinet according to claim 1, characterized in that... The upper end of the first linkage rod (32) is rotatably connected to the rear of the front frame (11), the middle part of the first linkage rod (32) is rotatably and slidably connected to the middle part of the front connecting rod (31), and the lower end of the first linkage rod (32) is rotatably connected to the upper end of the second linkage rod (33).

4. The folding and unfolding sleeping basket according to claim 1, characterized in that... The first linkage rod (32) has a first elongated hole (321) in the middle, and a first rotating shaft (322) is rotatably and slidably inserted in the first elongated hole (321). The corresponding end of the first rotating shaft (322) is located on the middle of the front connecting rod (31).

5. The folding and unfolding sleeping basket according to claim 2, characterized in that... The second linkage rod (33) has a second elongated hole (331) at its upper part. A second rotating shaft (332) is rotatably and slidably inserted in the second elongated hole (331). The corresponding end of the second rotating shaft (332) is located on the lower end of the first linkage rod (32).

6. The folding and unfolding sleeping basket according to claim 1, characterized in that... The rear linkage assembly (4) includes a middle link (41) and a rear link (42); the upper end of the middle link (41) is rotatably connected to the front of the rear frame (12), and the lower end of the middle link (41) is rotatably connected to the rotational connection between the rear side of the transition base frame (22) and the front side of the rear base frame (23); the upper end of the rear link (42) is rotatably connected to the middle or rear of the rear frame (12), and the lower end of the rear link (42) is rotatably connected to the middle or rear of the rear base frame (23).

7. A folding and unfolding bassinet according to any one of claims 1-6, characterized in that... The frame joint (5) includes a front joint block (51) and a rear joint block (52) pivotally connected to each other. The front joint block (51) is connected to the front frame (11), and the rear joint block (52) is connected to the rear frame (12). The frame joint (5) also includes a joint locking component (53) disposed between the front joint block (51) and the rear joint block (52) for locking the front joint block (51) relative to the rear joint block (52). The frame unlocking mechanism (6) is used to release the locking state of the front joint block (51) relative to the rear joint block (52) by triggering the unlocking action of the joint locking component (53).

8. A sleeping basket that unfolds and retracts smoothly according to claim 7, characterized in that... The joint locking assembly (53) includes a joint locking part (531) disposed on the front joint block (51) and a joint locking member (532) movably disposed on the rear joint block (52) for locking with the joint locking part (531). A joint locking elastic member (533) for driving the joint locking member (532) to elastically reset is provided between the joint locking member (532) and the rear joint block (52). The frame unlocking mechanism (6) is used to link the unlocking action of the joint locking member (532) to release the locking state of the front joint block (51) relative to the rear joint block (52).

9. A sleeping basket that unfolds and retracts smoothly according to claim 7, characterized in that... A drive portion (521) extending forward of the front frame (11) is formed on the rear joint block (52), and the upper end of the first linkage rod (32) is rotatably connected to the end of the drive portion (521).

10. A sleeping basket that unfolds and retracts smoothly according to claim 9, characterized in that... The upper end of the first linkage rod (32) is hinged to the end of the drive unit (521) via pivot A. The front joint block (51) and the rear joint block (52) are hinged to each other via pivot B. The upper end of the front connecting rod (31) is hinged to the front frame (11) via pivot C. Pivot A is located between pivot B and pivot C.

11. A child stroller, characterized in that... Includes a frame body (100) that can be switched between an unfolded state and a folded state, and a foldable sleeping basket as described in any one of claims 1-10 connected to the frame body (100).

12. A child stroller according to claim 11, characterized in that... The frame body (100) is provided with a frame connector, and the transition base frame (22) is provided with a bassinet connector for detachably connecting to the frame connector.

Images