Foldable baby carriage

By incorporating a component and unlocking mechanism at the bottom of the bassinet that connects to the support rod, a stable connection and quick disassembly of the bassinet during stroller folding are achieved. This solves the inconvenience of having to remove the bassinet first in existing technologies, and improves the convenience and stability of folding.

CN223631626UActive Publication Date: 2025-12-05ZHONGSHAN TECHKIDS BABY PROD CO LTD
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Patent Information

Application Number
CN202422733587.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-07-04
Filing Date
2024-11-08
Publication Date
2025-12-05
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing strollers with bassinets require the bassinets to be removed from the frame before folding, which is inconvenient.

Method used

Design a foldable stroller with a first connecting component connected to a first support rod and a second connecting component connected to a second support rod at the bottom of the bassinet. The second connecting component can move with the second support rod and achieves a stable connection of the bassinet through a guide rail and a sliding seat. Combined with an elastic element and an unlocking mechanism, the bassinet can be quickly disassembled and folded.

Benefits of technology

The bassinet can be removed without folding the frame, making it easy to operate. The elastic components reduce the gap in the sliding seat, ensuring a stable connection, and the unlocking mechanism simplifies the removal process of the bassinet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a foldable baby carriage which comprises a foldable carriage frame and a foldable sleeping basket, and the carriage frame comprises a first supporting rod and a second supporting rod; the sleeping basket is connected between the first supporting rod and the second supporting rod, a first connecting assembly is arranged at the bottom of the sleeping basket, and a second connecting assembly is arranged at the bottom of the sleeping basket; according to the baby carriage, a first connecting assembly connected with a first supporting rod is arranged at the bottom of a sleeping basket, a second connecting assembly connected with a second supporting rod is arranged at the bottom of the sleeping basket, and when a frame is folded or unfolded, the second connecting assembly can move along with the second supporting rod; no matter how the distance between the first supporting rod and the second supporting rod changes, it can be ensured that the sleeping basket is connected with the first supporting rod through the first connecting assembly and connected with the second supporting rod through the second connecting assembly, and when the frame needs to be folded, the sleeping basket does not need to be detached from the position between the first supporting rod and the second supporting rod; and the operation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a baby carriage technical field, and specifically is a foldable baby carriage. BACKGROUND

[0002] The sleeping basket is usually suitable for the baby from birth to 15 months or so, and for the baby carriage with the sleeping basket, the sleeping basket is usually positioned on the two support rods of the baby carriage frame, in order to ensure the stability of the sleeping basket, the two support rods must have a certain interval, therefore the two support rods are installed on the different components of the frame, which will cause the distance between the two support rods to change with the folding of the frame, which brings difficulty to the connection mode between the sleeping basket and the frame; when the baby carriage needs to be folded, the sleeping basket is usually taken off from the frame, and then the frame is folded, which brings inconvenience to the folding. SUMMARY

[0003] In view of the technical problem that the baby carriage with the sleeping basket in the prior art needs to be taken off from the frame before folding, and then the frame is folded, the utility model solves the technical problem by adopting the technical scheme of a foldable baby carriage, which comprises a foldable frame and a foldable sleeping basket, the frame comprises a first support rod and a second support rod, the first support rod and the second support rod are parallel to each other, the sleeping basket is connected between the first support rod and the second support rod, the bottom of the sleeping basket is provided with a first connecting assembly connected with the first support rod, the bottom of the sleeping basket is provided with a second connecting assembly connected with the second support rod, and when the frame is folded or unfolded, the second connecting assembly can move with the second support rod.

[0004] The foldable baby carriage comprises a first support rod and a second support rod, the first support rod and the second support rod are parallel to each other, the sleeping basket is connected between the first support rod and the second support rod, the bottom of the sleeping basket is provided with a first connecting assembly connected with the first support rod, the bottom of the sleeping basket is provided with a second connecting assembly connected with the second support rod, and when the frame is folded or unfolded, the second connecting assembly can move with the second support rod.

[0005] The foldable baby carriage comprises a first support rod and a second support rod, the first support rod and the second support rod are parallel to each other, the sleeping basket is connected between the first support rod and the second support rod, the bottom of the sleeping basket is provided with a first connecting assembly connected with the first support rod, the bottom of the sleeping basket is provided with a second connecting assembly connected with the second support rod, and when the frame is folded or unfolded, the second connecting assembly can move with the second support rod.

[0006] The foldable baby carriage comprises a first support rod and a second support rod, the first support rod and the second support rod are parallel to each other, the sleeping basket is connected between the first support rod and the second support rod, the bottom of the sleeping basket is provided with a first connecting assembly connected with the first support rod, the bottom of the sleeping basket is provided with a second connecting assembly connected with the second support rod, and when the frame is folded or unfolded, the second connecting assembly can move with the second support rod.

[0007] A foldable baby carriage as described above, the first connecting assembly comprises: a first connecting seat, a first clamping hook and a first torsion spring, the first connecting seat is provided with a first groove for positioning the first supporting rod, the middle part of the first clamping hook is pivotally connected to the first connecting seat, and the first torsion spring is arranged on the first connecting seat to drive the first clamping hook to lock the first supporting rod in the first groove; the sliding seat is provided with a second groove for positioning the second supporting rod, the sliding seat is provided with a second clamping hook and a second torsion spring, the middle part of the second clamping hook is pivotally connected to the sliding seat, and the second torsion spring is arranged on the sliding seat to drive the second clamping hook to lock the second supporting rod in the second groove, and the bottom of the sleeping basket is provided with a first unlocking mechanism for simultaneously driving the first clamping hook and the second clamping hook to be unlocked.

[0008] A foldable baby carriage as described above, the first unlocking mechanism comprises: a first unlocking seat, a first unlocking block, a first unlocking pull wire and a second unlocking pull wire, the first unlocking seat is arranged at the bottom of the sleeping basket, and the first unlocking block is slidingly connected to the first unlocking seat; one end of the outer tube of the first unlocking pull wire is connected to the first unlocking seat, the other end of the outer tube of the first unlocking pull wire is connected to the first connecting seat, one end of the inner core of the first unlocking pull wire is connected to the first unlocking block, and the other end of the inner core of the first unlocking pull wire is connected to the first clamping hook; one end of the outer tube of the second unlocking pull wire is connected to the first unlocking seat, the other end of the outer tube of the second unlocking pull wire is connected to the sliding seat, one end of the inner core of the second unlocking pull wire is connected to the first unlocking block, and the other end of the inner core of the second unlocking pull wire is connected to the second clamping hook; so that when the first unlocking block is driven, the first clamping hook and the second clamping hook can be simultaneously unlocked.

[0009] A foldable baby carriage as described above, the sleeping basket comprises: a base, a fence, a first folding rod and a second folding rod, the bottom of the fence is provided with a first sliding groove, the base is provided with a second sliding groove, the upper end of the first folding rod is pivotally connected to the bottom of the fence, the lower part of the first folding rod is slidingly connected to the second sliding groove, the upper end of the second folding rod is slidingly connected in the first sliding groove, and the lower part of the second folding rod is pivotally connected to the base, the middle part of the first folding rod and the middle part of the second folding rod are hingedly connected to each other, the base is provided with a locking mechanism for locking the lower part of the first folding rod after the sleeping basket is unfolded, and the base is further provided with a second unlocking mechanism for driving the locking mechanism to be unlocked so that the sleeping basket can be folded.

[0010] A foldable baby carriage as described above, the locking mechanism comprises: a locking seat, a locking tongue and a locking spring, the locking seat is arranged at the bottom of the base, the locking tongue is slidingly connected to the locking seat, and the locking spring is arranged on the locking seat to drive the locking tongue to extend and lock the lower part of the first folding rod.

[0011] A foldable baby carriage as described above, the second unlocking mechanism comprises a second unlocking seat, a second unlocking block and a third unlocking pull wire, the second unlocking seat is arranged on the base, the second unlocking block is slidingly connected to the second unlocking seat, one end of the outer tube of the third unlocking pull wire is connected to the second unlocking seat, the other end of the outer tube of the third unlocking pull wire is connected to the locking seat, one end of the inner core of the third unlocking pull wire is connected to the second unlocking block, and the other end of the inner core of the third unlocking pull wire is connected to the locking tongue.

[0012] A foldable baby carriage as described above, the frame comprises a front leg, a front wheel assembly, a rear leg, a rear wheel assembly, a middle connecting rod, a hand pushing rod, a first linkage rod and a second linkage rod, the front wheel assembly is arranged at the lower end of the front leg, the rear wheel assembly is arranged at the lower end of the rear leg, one end of the front leg is pivotally connected to the rear leg, one end of the middle connecting rod is pivotally connected to the rear leg, the lower end of the hand pushing rod is pivotally connected to the other end of the middle connecting rod, one end of the first linkage rod is hingedly connected to the front leg, the other end of the first linkage rod is hingedly connected to the lower end of the second linkage rod, the lower part of the second linkage rod is hingedly connected to the rear leg, and the upper end of the second linkage rod is hingedly connected to the hand pushing rod, so that when the hand pushing rod is driven to fold relative to the middle connecting rod, the middle connecting rod and the front leg can be driven to rotate relative to the rear leg to achieve folding, the first support rod is arranged on the middle connecting rod, the second support rod is arranged on the second linkage rod, and the frame locking assembly for locking the relative position between the middle connecting rod and the hand pushing rod after the frame is unfolded is arranged between the middle connecting rod and the hand pushing rod.

[0013] The foldable baby carriage comprises an upper locking joint, a lower locking joint, a locking switch block, a reset member, a rotating unlocking block, a fourth unlocking pull wire and an unlocking switch, the upper locking joint is connected to the lower end of the hand pushing rod, the lower locking joint is connected to the upper end of the middle connecting rod, the upper locking joint and the lower locking joint are rotationally connected, the upper locking joint is provided with a first accommodating cavity, the lower locking joint is provided with a second accommodating cavity, the locking switch block can slide along the axial direction between the first accommodating cavity and the second accommodating cavity, the locking switch block is provided with a locking convex rib, the first accommodating cavity is provided with a first locking groove matched with the locking convex rib, the second accommodating cavity is provided with a second locking groove matched with the locking convex rib, the reset member is arranged in the second accommodating cavity and used for enabling the locking convex rib on the locking switch block to be simultaneously clamped into the first locking groove and the second locking groove, the rotating unlocking block rotates in the second accommodating cavity, a guide inclined surface is arranged between the rotating unlocking block and the second accommodating cavity, and when the rotating unlocking block is rotated, the locking convex rib on the locking switch block can be pushed to be separated from the first locking groove to be unlocked, one end of the inner core of the fourth unlocking pull wire is connected to the rotating unlocking block, and the other end of the inner core of the fourth unlocking pull wire is connected to the unlocking switch.

[0014] The utility model discloses the beneficial effect is:

[0015] 1、the first connecting assembly that is connected with the first support rod is arranged on the bottom of the sleeping basket of the baby carriage, the second connecting assembly that is connected with the second support rod is arranged on the bottom of the sleeping basket, and when the frame is folded or unfolded, the second connecting assembly can move with the second support rod, by adopting the connecting mode, no matter how the interval between the first support rod and the second support rod changes, the sleeping basket can be connected with the first support rod through the first connecting assembly and connected with the second support rod through the second connecting assembly, when the frame needs to be folded, the sleeping basket does not need to be disassembled from the first support rod and the second support rod, and the operation is convenient.

[0016] 2、the elastic member that drives the reset of the sliding seat is arranged on the bottom of the sleeping basket, the interval between the bottom of the sleeping basket and the sliding seat can be reduced through the elastic force of the elastic member, and the frame can be driven to reset when being folded.

[0017] 3、when the first unlocking block on the sleeping basket drives the action, the inner core of the first unlocking pull wire and the second unlocking pull wire can be simultaneously driven to act, and then the first clamping hook and the second clamping hook are unlocked, and the sleeping basket can be quickly taken off from the frame, one end of the outer tube of the first unlocking pull wire is connected to the first unlocking seat, the other end of the outer tube of the second unlocking pull wire is connected to the sliding seat, by adopting the design, the first connecting assembly and the second connecting assembly do not interfere with each other, and the sliding seat can also be unlocked when moving with the second support rod.

[0018] 4. The locking mechanism of the sleeping basket locks the lower part of the first folding rod in the second sliding groove, and when the second unlocking mechanism drives the locking mechanism to be unlocked, the lower part of the first folding rod moves left along the second sliding groove to realize the folding of the sleeping basket, thus having the advantage of convenient operation.

[0019] 5. When the sleeping basket needs to be unlocked, the second unlocking block is only driven to move, and the second unlocking block drives the inner core of the third unlocking pull wire to drive the second unlocking block to retract into the second unlocking seat to realize the unlocking, thus having the advantage of convenient operation.

[0020] 6. When the frame is folded, the frame locking assembly is first disengaged from the locking relationship between the intermediate connecting rod and the hand pushing rod, then the hand pushing rod is driven to fold relative to the intermediate connecting rod, the front leg is driven to fold relative to the rear leg, and the intermediate connecting rod is driven to fold relative to the rear leg, so that the folding is completed, thus having the advantage of convenient operation; the first linkage rod and the second linkage rod have two functions, one of which is to improve the stability and reliability of the whole frame, and the other of which is to make the intermediate connecting rod, the hand pushing rod and the rear leg link during folding, so that the folding is more convenient.

[0021] The utility model will be further described in connection with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Fig. 1 is a structural schematic view of the child bicycle of the utility model;

[0023] Figure 2 Fig. 2 is another structural schematic view of the child bicycle of the utility model;

[0024] Figure 3 Fig. 3 is a structural schematic view of the sleeping basket in the child bicycle of the utility model;

[0025] Figure 4 Fig. 4 is another structural schematic view of the sleeping basket in the child bicycle of the utility model;

[0026] Figure 5 Fig. 5 is an exploded schematic view of the first connecting assembly and the second connecting assembly of the sleeping basket in the utility model;

[0027] Figure 6 Fig. 6 is another exploded schematic view of the first connecting assembly and the second connecting assembly of the sleeping basket in the utility model;

[0028] Figure 7 Fig. 7 is an exploded schematic view of the sleeping basket base, the locking mechanism and the second unlocking mechanism in the utility model;

[0029] Figure 8 Fig. 8 is a side structural schematic view of the frame in the child bicycle of the utility model;

[0030] Figure 9This is an exploded view of the frame of the stroller of this utility model;

[0031] Figure 10 This is one of the exploded schematic diagrams of the frame locking assembly of the vehicle frame in this utility model;

[0032] Figure 11 This is the second exploded view of the frame locking assembly of the vehicle frame in this utility model;

[0033] Figure 12 This is a structural diagram of the stroller in the folded state of this utility model;

[0034] Figure 13 This is a structural diagram of the frame of the children's stroller in this utility model after it has been folded. Detailed Implementation

[0035] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0036] like Figures 1 to 13 As shown, a foldable stroller according to this embodiment includes: a foldable frame 1 and a foldable bassinet 2. The frame 1 includes: a first support rod 101 and a second support rod 102, the first support rod 101 and the second support rod 102 being parallel to each other; the bassinet 2 is connected between the first support rod 101 and the second support rod 102, the bottom of the bassinet 2 is provided with a first connecting component 21 connected to the first support rod 101, the bottom of the bassinet 2 is provided with a second connecting component 22 connected to the second support rod 102, and when the frame 1 is folded or unfolded, the second connecting component 22 can move with the second support rod 102. This invention relates to a stroller with a first connecting component at the bottom of the bassinet that connects to a first support rod, and a second connecting component at the bottom of the bassinet that connects to a second support rod. When the frame is folded or unfolded, the second connecting component moves with the second support rod. This connection method ensures that the bassinet remains connected to the first support rod via the first connecting component and to the second support rod via the second connecting component, regardless of changes in the distance between the first and second support rods. When the frame needs to be folded, there is no need to disassemble the bassinet from between the first and second support rods, offering the advantage of convenient operation.

[0037] In order to realize that the second connecting assembly 22 can move with the second support rod 102, in the embodiment, the second connecting assembly 22 comprises a guide rail 221 and a sliding seat 222, the guide rail 221 is arranged on the bottom of the sleeping basket 2, the sliding seat 222 is slidingly connected on the guide rail 221, and the sliding seat 222 is connected with the second support rod 102. The second support rod 102 is connected with the sliding seat 222 which is slidingly connected on the guide rail 221, and can realize reliable connection when the interval between the first support rod 101 and the second support rod 102 changes.

[0038] In the embodiment, the bottom of the sleeping basket 2 is provided with an elastic member 223 for driving the sliding seat 222 to reset; the elastic member 223 can be a spring, and the elastic force of the elastic member 223 can reduce the gap between the bottom of the sleeping basket 2 and the sliding seat 222, and in addition, the vehicle frame can be driven to reset when the vehicle frame is folded.

[0039] In the embodiment, the first connecting assembly 21 is detachably connected with the first support rod 101, and the second connecting assembly 22 is detachably connected with the second support rod 102, so that the sleeping basket 2 can be detached from the vehicle frame 1, and the sleeping basket is convenient to clean or replace with a seat.

[0040] As Figure 4 , Figure 5 , Figure 6As shown, in the embodiment, the first connecting assembly 21 comprises a first connecting seat 211, a first clamping hook 212 and a first torsion spring 213. The first connecting seat 211 is provided with a first recess 2110 for positioning the first support rod 101. The middle part of the first clamping hook 212 is pivotally connected to the first connecting seat 211. The first torsion spring 213 is arranged on the first connecting seat 211 to drive the first clamping hook 212 to lock the first support rod 101 in the first recess 2110. The bottom of the first recess 2110 is arc-shaped, which facilitates the relative rotation of the frame when folding or unfolding. The sliding seat 222 is provided with a second recess 2220 for positioning the second support rod 102. The sliding seat 222 is provided with a second clamping hook 224 and a second torsion spring 225. The middle part of the second clamping hook 224 is pivotally connected to the sliding seat 222. The second torsion spring 225 is arranged on the sliding seat 222 to drive the second clamping hook 224 to lock the second support rod 102 in the second recess 2220. The bottom of the second recess 2220 is arc-shaped, which facilitates the relative rotation of the frame when folding or unfolding. The bottom of the sleeping basket 2 is provided with a first unlocking mechanism 230 for simultaneously driving the first clamping hook 212 and the second clamping hook 224 to be unlocked. The first support rod 101 is locked in the first recess 2110 by the first clamping hook 212. The second support rod 102 is locked in the second recess 2220 by the second clamping hook 224. The first clamping hook 212 and the second clamping hook 224 are simultaneously driven by the first unlocking mechanism 230 to be unlocked.

[0041] In the embodiment, the first unlocking mechanism 230 comprises a first unlocking seat 231, a first unlocking block 232, a first unlocking pull wire 233 and a second unlocking pull wire 234. The first unlocking seat 231 is arranged on the bottom of the sleeping basket 2, and the first unlocking block 232 is slidingly connected to the first unlocking seat 231. One end of the outer tube of the first unlocking pull wire 233 is connected to the first unlocking seat 231, and the other end of the outer tube of the first unlocking pull wire 233 is connected to the first connecting seat 211. One end of the inner core of the first unlocking pull wire 233 is connected to the first unlocking block 232, and the other end of the inner core of the first unlocking pull wire 233 is connected to the first clamping hook 212. One end of the outer tube of the second unlocking pull wire 234 is connected to the first unlocking seat 231, and the other end of the outer tube of the second unlocking pull wire 234 is connected to the sliding seat 222. One end of the inner core of the second unlocking pull wire 234 is connected to the first unlocking block 232, and the other end of the inner core of the second unlocking pull wire 234 is connected to the second clamping hook 224. When the first unlocking block 232 is driven, the first clamping hook 212 and the second clamping hook 224 can be simultaneously unlocked. When the first unlocking block 232 is driven to move, the inner cores of the first unlocking pull wire 233 and the second unlocking pull wire 234 are simultaneously driven to move, thereby unlocking the first clamping hook 212 and the second clamping hook 224. Moreover, one end of the outer tube of the first unlocking pull wire 233 is connected to the first unlocking seat 231, and the other end of the outer tube of the second unlocking pull wire 234 is connected to the sliding seat 222. In this way, the first connecting assembly and the second connecting assembly do not interfere with each other, and the sliding seat 222 can be unlocked when the second supporting rod moves.

[0042] As shown in Figure 3 , Figure 4 and Figure 7 , the sleeping basket 2 comprises a base 27, an enclosure 28, a first folding rod 23 and a second folding rod 24. The bottom of the enclosure 28 is provided with a first sliding groove 201, and the base 27 is provided with a second sliding groove 203. The upper end of the first folding rod 23 is pivotally connected to the bottom of the enclosure 28, and the lower part of the first folding rod 23 is slidingly connected to the second sliding groove 203. The upper end of the second folding rod 24 is slidingly connected in the first sliding groove 201, and the lower part of the second folding rod 24 is pivotally connected to the base 27. The middle part of the first folding rod 23 and the middle part of the second folding rod 24 are hingedly connected to each other. The base 27 is provided with a locking mechanism 25 for locking the lower part of the first folding rod 23 when the sleeping basket 2 is unfolded, and the base 27 is further provided with a second unlocking mechanism 26 for driving the locking mechanism 25 to be unlocked so that the sleeping basket 2 can be folded. Figure 3The sleep basket is shown in the unfolded state, and the locking mechanism 25 locks the lower part of the first folding rod 23 in the second sliding groove 203. When the second unlocking mechanism 26 drives the locking mechanism 25 to unlock, the lower part of the first folding rod 23 moves left along the second sliding groove 203 (with the Figure 3 reference) to achieve folding, which is convenient to operate.

[0043] In this embodiment, the locking mechanism 25 includes a locking seat 251, a locking tongue 252, and a locking spring 253. The locking seat 251 is arranged at the bottom of the base 27, the locking tongue 252 is slidingly connected to the locking seat 251, and the locking spring 253 is arranged on the locking seat 251 to drive the locking tongue 252 to extend and lock the lower part of the first folding rod 23. The locking tongue 252 extends into the second sliding groove 203 under the action of the locking spring 253, and can lock the lower part of the first folding rod 23 in the second sliding groove 203 to maintain the unfolded state.

[0044] The second unlocking mechanism 26 includes a second unlocking seat 261, a second unlocking block 262, and a third unlocking pull wire 263. The second unlocking seat 261 is arranged on the base 27, the second unlocking block 262 is slidingly connected to the second unlocking seat 261, one end of the outer tube of the third unlocking pull wire 263 is connected to the second unlocking seat 261, the other end of the outer tube of the third unlocking pull wire 263 is connected to the locking seat 251, one end of the inner core of the third unlocking pull wire 263 is connected to the second unlocking block 262, and the other end of the inner core of the third unlocking pull wire 263 is connected to the locking tongue 252. When unlocking is needed, only the second unlocking block 262 needs to be driven to move, and the second unlocking block 262 can drive the inner core of the third unlocking pull wire 263 to drive the second unlocking block 262 to retract into the second unlocking seat 261 to achieve unlocking, which is convenient to operate.

[0045] As Figures 9 to 13As shown, in the embodiment, the frame 1 comprises a front leg 11, a front wheel assembly 111, a rear leg 12, a rear wheel assembly 121, an intermediate connecting rod 13, a hand pushing rod 14, a first linkage rod 15 and a second linkage rod 16, the front wheel assembly 111 is arranged at the lower end of the front leg 11, the rear wheel assembly 121 is arranged at the lower end of the rear leg 12, one end of the front leg 11 is pivoted on the rear leg 12, one end of the intermediate connecting rod 13 is pivoted on the rear leg 12, the lower end of the hand pushing rod 14 is pivoted with the other end of the intermediate connecting rod 13, one end of the first linkage rod 15 is hinged with the front leg 11, the other end of the first linkage rod 15 is hinged with the lower end of the second linkage rod 16, the lower part of the second linkage rod 16 is hinged with the rear leg 12, the upper end of the second linkage rod 16 is hinged with the hand pushing rod 14, so that when the hand pushing rod 14 is driven to fold relative to the intermediate connecting rod 13, the intermediate connecting rod 13 and the front leg 11 can be driven to rotate relative to the rear leg 12 to realize folding, the first supporting rod 101 is arranged on the intermediate connecting rod 13, the second supporting rod 102 is arranged on the second linkage rod 16, and the frame locking assembly 17 for locking the relative position between the intermediate connecting rod 13 and the hand pushing rod 14 after the frame 1 is unfolded is arranged between the intermediate connecting rod 13 and the hand pushing rod 14. When the frame of the utility model is folded, the frame locking assembly 17 is first released from the locking relationship between the intermediate connecting rod 13 and the hand pushing rod 14, then the hand pushing rod 14 is driven to fold relative to the intermediate connecting rod 13, the front leg is driven to fold relative to the rear leg, and the intermediate connecting rod 13 is driven to fold relative to the rear leg, so that folding can be completed. The first linkage rod 15 and the second linkage rod 16 have two functions, one is to improve the stability and reliability of the whole frame, and the other is to link the intermediate connecting rod, the hand pushing rod and the rear leg during folding, so that folding is more convenient.

[0046] In this embodiment, the frame locking assembly 17 is used to lock the intermediate link 13 and the hand bar 14 after they are unfolded. The frame locking assembly 17 comprises an upper locking joint 171, a lower locking joint 172, a locking switch block 173, a reset member 174 (which can be a spring), a rotating unlocking block 175, a fourth unlocking pull wire 176, and an unlocking switch 178. The upper locking joint 171 is connected to the lower end of the hand bar 14, the lower locking joint 172 is connected to the upper end of the intermediate link 13, and the upper locking joint 171 and the lower locking joint 172 are rotationally connected. The upper locking joint 171 is provided with a first accommodating cavity 17101, the lower locking joint 172 is provided with a second accommodating cavity 17201, the locking switch block 173 can slide axially between the first accommodating cavity 17101 and the second accommodating cavity 17201, the locking switch block 173 is provided with a locking protrusion 1731, the first accommodating cavity 17101 is provided with a first locking groove 17102 which cooperates with the locking protrusion 1731, the second accommodating cavity 17201 is provided with a second locking groove 17202 which cooperates with the locking protrusion 1731, the reset member 174 is arranged in the second accommodating cavity 17201 to make the locking protrusion 1731 on the locking switch block 173 simultaneously enter the first locking groove 17102 and the second locking groove 17202, the rotating unlocking block 175 rotates in the second accommodating cavity 17201, a guide inclined surface 1750 is arranged between the rotating unlocking block 175 and the second accommodating cavity 17201, and when the rotating unlocking block 175 rotates, the locking protrusion 1731 on the locking switch block 173 can be pushed away from the first locking groove 17102 to be unlocked, one end of the inner core of the fourth unlocking pull wire 176 is connected to the rotating unlocking block 175, and the other end of the inner core of the fourth unlocking pull wire 176 is connected to the unlocking switch 178. When locking, the reset member 174 makes the locking protrusion 1731 on the locking switch block 173 simultaneously enter the first locking groove 17102 and the second locking groove 17202, so that the upper locking joint 171 cannot rotate relative to the lower locking joint 172. When unlocking, the unlocking switch 178 is pressed, the unlocking switch 178 drives the inner core of the fourth unlocking pull wire 176 to drive the rotating unlocking block 175 to rotate. When the rotating unlocking block 175 rotates, under the action of the guide inclined surface 1750, the locking protrusion 1731 on the locking switch block 173 can be pushed away from the first locking groove 17102, so that the upper locking joint 171 can rotate relative to the lower locking joint 172. After the force on the unlocking switch 178 is released, the locking switch block 173 is reset under the action of the reset member 174, and the locking is re-implemented. The frame locking assembly 17 has the advantage of convenient unlocking.

[0047] The above only further illustrates the technical content of the utility model with examples, so that the reader can more easily understand, but does not represent that the embodiment of the utility model is limited to this, and any technical extension or re-creation made according to the utility model is protected by the utility model. The protection scope of the utility model is subject to the patent claim.

Claims

1. A foldable stroller, characterized by, include: A foldable frame (1) comprising: a first support rod (101) and a second support rod (102), wherein the first support rod (101) and the second support rod (102) are parallel to each other; A foldable sleeping basket (2) is connected between a first support rod (101) and a second support rod (102). The bottom of the sleeping basket (2) is provided with a first connecting component (21) connected to the first support rod (101) and a second connecting component (22) connected to the second support rod (102). When the frame (1) is folded or unfolded, the second connecting component (22) can move with the second support rod (102).

2. A stroller according to claim 1, wherein, The second connecting component (22) includes a guide rail (221) and a sliding seat (222). The guide rail (221) is disposed at the bottom of the bassinet (2). The sliding seat (222) is slidably connected to the guide rail (221) and is connected to the second support rod (102).

3. A stroller according to claim 2, wherein, The bottom of the sleeping basket (2) is provided with an elastic element (223) that drives the sliding seat (222) to reset.

4. A foldable stroller according to claim 2 or 3, wherein, The first connecting component (21) is detachably connected to the first support rod (101), and the second connecting component (22) is detachably connected to the second support rod (102).

5. A foldable stroller according to claim 4, wherein, The first connecting assembly (21) includes: a first connecting seat (211), a first latch (212), and a first torsion spring (213). The first connecting seat (211) is provided with a first groove (2110) for positioning the first support rod (101). The first latch (212) is pivotally connected to the first connecting seat (211) at its center. The first torsion spring (213) is disposed on the first connecting seat (211) to drive the first latch (212) to lock the first support rod (101) in the first groove (2110). The sliding seat (222) is provided with a first groove (2110) for positioning the first support rod (101). The second groove (2220) is used to position the second support rod (102). The sliding seat (222) is provided with a second hook (224) and a second torsion spring (225). The middle part of the second hook (224) is pivotally connected to the sliding seat (222). The second torsion spring (225) is provided on the sliding seat (222) to drive the second hook (224) to lock the second support rod (102) in the second groove (2220). The bottom of the sleeping basket (2) is provided with a first unlocking mechanism (230) that simultaneously drives the first hook (212) and the second hook (224) to unlock.

6. A foldable stroller according to claim 5, wherein, The first unlocking mechanism (230) comprises a first unlocking seat (231), a first unlocking block (232), a first unlocking pull wire (233) and a second unlocking pull wire (234). The first unlocking seat (231) is arranged at the bottom of the sleeping basket (2), and the first unlocking block (232) is slidably connected to the first unlocking seat (231). One end of the outer tube of the first unlocking pull wire (233) is connected to the first unlocking seat (231), the other end of the outer tube of the first unlocking pull wire (233) is connected to the first connecting seat (211), one end of the inner core of the first unlocking pull wire (233) is connected to the first unlocking block (232), and the other end of the inner core of the first unlocking pull wire (233) is connected to the first clamping hook (212). One end of the outer tube of the second unlocking pull wire (234) is connected to the first unlocking seat (231), the other end of the outer tube of the second unlocking pull wire (234) is connected to the sliding seat (222), one end of the inner core of the second unlocking pull wire (234) is connected to the first unlocking block (232), and the other end of the inner core of the second unlocking pull wire (234) is connected to the second clamping hook (224). When the first unlocking block (232) is driven, the first clamping hook (212) and the second clamping hook (224) can be simultaneously unlocked.

7. The stroller of claim 1, wherein, The sleeping basket (2) comprises a base (27), a fence (28), a first folding rod (23) and a second folding rod (24). The bottom of the fence (28) is provided with a first sliding groove (201), the base (27) is provided with a second sliding groove (203), the upper end of the first folding rod (23) is pivotally connected to the bottom of the fence (28), the lower part of the first folding rod (23) is slidably connected to the second sliding groove (203), the upper end of the second folding rod (24) is slidably connected in the first sliding groove (201), the lower part of the second folding rod (24) is pivotally connected to the base (27), the middle part of the first folding rod (23) and the middle part of the second folding rod (24) are hingedly connected to each other, the base (27) is provided with a locking mechanism (25) for locking the lower part of the first folding rod (23) after the sleeping basket (2) is unfolded, and the base (27) is further provided with a second unlocking mechanism (26) for driving the locking mechanism (25) to be unlocked so that the sleeping basket (2) can be folded.

8. A stroller according to claim 7, wherein, The locking mechanism (25) comprises a locking seat (251), a locking tongue (252) and a locking spring (253). The locking seat (251) is arranged at the bottom of the base (27), the locking tongue (252) is slidably connected to the locking seat (251), and the locking spring (253) is arranged on the locking seat (251) to drive the locking tongue (252) to extend and lock the lower part of the first folding rod (23).

9. A foldable stroller according to claim 8, wherein, The second unlocking mechanism (26) comprises a second unlocking seat (261), a second unlocking block (262) and a third unlocking pull wire (263), the second unlocking seat (261) is arranged on the base (27), the second unlocking block (262) is slidably connected on the second unlocking seat (261), one end of the outer tube of the third unlocking pull wire (263) is connected on the second unlocking seat (261), the other end of the outer tube of the third unlocking pull wire (263) is connected on the locking seat (251), one end of the inner core of the third unlocking pull wire (263) is connected with the second unlocking block (262), and the other end of the inner core of the third unlocking pull wire (263) is connected with the lock tongue (252).

10. The foldable stroller of claim 1, wherein, The frame (1) comprises a front leg (11), a front wheel assembly (111), a rear leg (12), a rear wheel assembly (121), a middle connecting rod (13), a hand pushing rod (14), a first linkage rod (15) and a second linkage rod (16), the front wheel assembly (111) is arranged at the lower end of the front leg (11), the rear wheel assembly (121) is arranged at the lower end of the rear leg (12), one end of the front leg (11) is pivotally connected on the rear leg (12), one end of the middle connecting rod (13) is pivotally connected on the rear leg (12), the lower end of the hand pushing rod (14) is pivotally connected with the other end of the middle connecting rod (13), one end of the first linkage rod (15) is hingedly connected with the front leg (11), the other end of the first linkage rod (15) is hingedly connected with the lower end of the second linkage rod (16), the lower part of the second linkage rod (16) is hingedly connected with the rear leg (12), and the upper end of the second linkage rod (16) is hingedly connected with the hand pushing rod (14), so that when the hand pushing rod (14) is driven to be folded relative to the middle connecting rod (13), the middle connecting rod (13) and the front leg (11) can be driven to rotate relative to the rear leg (12) to realize folding, the first supporting rod (101) is arranged on the middle connecting rod (13), the second supporting rod (102) is arranged on the second linkage rod (16), and the relative position between the middle connecting rod (13) and the hand pushing rod (14) is locked after the frame (1) is unfolded by the frame locking assembly (17) arranged between the middle connecting rod (13) and the hand pushing rod (14).