Baby stroller

Abstract

The utility model discloses a child stroller which comprises front legs, front wheels are arranged at the lower ends of the front legs, first connecting seats are arranged at the upper ends of the front legs, rear legs are rotatably connected to the first connecting seats around a first axis, rear wheels are arranged at the lower ends of the rear legs, and the first connecting seats are connected with the rear wheels. A second connecting seat is further rotatably connected to the first connecting seat around a second axis, a push rod assembly is fixedly arranged on the second connecting seat, and a supporting rod crossed with the front leg is rotatably connected to the front leg; a first transmission part capable of pushing the supporting rod to rotate and fold relative to the front leg when the push rod assembly rotates and folds relative to the front leg is arranged between the supporting rod and the second connecting base, and a second transmission part capable of pulling the rear leg to rotate and draw close to the front leg when the supporting rod rotates and folds relative to the front leg is arranged between the rear end of the supporting rod and the rear leg. And the supporting rod is also connected with a seat. The folding chair is simple in structure and convenient to fold.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of children's pushchairs. BACKGROUND

[0002] Children's pushchairs are common products in the growth process of infants and young children. The children's pushchairs on the market can generally be folded to facilitate carrying or storage. However, the linkage mechanism of the frame of many current children's pushchairs is relatively complex, and the folding operation is not convenient, which affects the user experience.

[0003] Therefore, the utility model provides a new structure of children's pushchair frame. CONTENT OF UTILITY MODEL

[0004] The utility model aims at overcoming the defects of prior art, and provides a children's pushchair with simple structure and convenient folding.

[0005] The utility model is realized by the following technical solutions:

[0006] A children's pushchair can be moved from an unfolded position to a folded position after the locking device is unlocked, comprising a front leg 1, wherein the lower end of the front leg 1 is provided with a front wheel 1a, the upper end of the front leg 1 is provided with a first connecting seat 2, the first connecting seat 2 is rotatably connected with a rear leg 3 around a first axis A, the lower end of the rear leg 3 is provided with a rear wheel 3a, the first connecting seat 2 is further rotatably connected with a second connecting seat 4 around a second axis B, the second connecting seat 4 is fixedly provided with a push rod assembly 5, the front leg 1 is rotatably connected with a support rod 6 which intersects the front leg 1, a first transmission member 7 is arranged between the support rod 6 and the second connecting seat 4, which can push the support rod 6 to rotate and fold relative to the front leg 1 when the push rod assembly 5 rotates and folds relative to the front leg 1, a second transmission member 8 is arranged between the rear end of the support rod 6 and the rear leg 3, which can pull the rear leg 3 to rotate and close to the front leg 1 when the support rod 6 rotates and folds relative to the front leg 1, and a seat 9 is further connected to the support rod 6.

[0007] The support rod 6 is rotatably connected with the front leg 1 around a third axis C, the support rod 6 is provided with a protruding part 61 which protrudes to one side of the support rod 6, the first transmission member 7 comprises a first transmission piece 71, one end of the first transmission piece 71 is hinged to the protruding part 61, and the other end of the first transmission piece 71 is hinged to the second connecting seat 4 and deviates from the position of the second axis B.

[0008] The second transmission member 8 comprises a second transmission piece 81, one end of the second transmission piece 81 is hinged to the rear end of the support rod 6, and the other end of the second transmission piece 81 is hinged to the rear leg 3.

[0009] In the unfolded state of the children's pushchair, the space surrounded by the front leg 1, the support rod 6, the second transmission member 8, the rear leg 3 and the first connecting seat 2 is in a triangular structure.

[0010] The front leg 1 includes a front rod 11, the lower end of the front rod 11 is connected to a horizontal bracket 12, the front wheel 1a is arranged at both ends of the bracket 12, there are two first connecting seats 2 and connected to the upper end of the front rod 11, the second connecting seat 4 is connected between the two first connecting seats 2, the hind legs 3 have two and are in an eight-shaped shape, and there are two support rods 6 and connected to both sides of the front rod 11.

[0011] The push rod assembly 5 includes a lower push rod 51 fixedly connected to the second connecting seat 4. The lower push rod 51 is provided with an upper push rod 52 that can be telescopic therein. The upper push rod 52 is provided with a handle 53 extending forward thereof.

[0012] The seat 9 includes a flexible and foldable seat pocket 91, the front end of which is fixedly connected to the front end of the support rod 6, the rear side of which is hooked to the hook 41 on the second connecting seat 4, and the upper end of which is connected to the handle 53 via a pull rope.

[0013] A lifting ring 21 capable of lifting the child stroller is hingedly connected to the first connecting seat 2 at a position offset from the first axis A and the second axis B.

[0014] The locking device includes a sliding pin 101 that can slide horizontally in the first connecting seat 2, and a locking groove 102 that can engage with or disengage with the sliding pin 101 is horizontally provided in the second connecting seat 4. The lower end of the upper push rod 52 is provided with a pushing portion 103 that can push the sliding pin 101 out of the locking groove 102 when it slides in the downward push rod 51. A return spring 104 is also provided between the first connecting seat 2 and the sliding pin 101 to push the sliding pin 101 to slide back.

[0015] The pushing portion 103 includes a pushing block 1031 fixed to the lower end of the upper push rod 52 . Both sides of the pushing block 1031 are provided with inclined surfaces 1032 that can push the sliding pin 101 to move laterally.

[0016] Compared with the prior art, the present invention has the following advantages: When folding the stroller, the push rod assembly is pushed forward, and the push rod assembly rotates relative to the first connecting seat together with the second connecting seat. During the rotation of the second connecting seat, the support rod is pushed by the first transmission member to rotate and fold relative to the front leg. During the rotation, the rear end of the support rod tilts upward, and the rear end of the support rod pulls the rear leg relative to the first connecting seat through the second transmission member to rotate toward the front leg. Ultimately, the push rod assembly, support rod, and rear leg are all brought together with the front leg, and the stroller is folded. The entire stroller has a simple and compact structure, is easy to fold, and is flexible to collapse, making it suitable for widespread application.

Brief Description of the Drawings

[0017] Figure 1 is a perspective view of the frame of the child's stroller of the present utility model;

[0018] Figure 2 is Figure 1 an enlarged view of D in the middle;

[0019] Figure 3 is a side view of the child's stroller of the present utility model;

[0020] Figure 4 is Figure 3 an enlarged view of E in the middle;

[0021] Figure 5 is a schematic view of the frame of the child's stroller of the present utility model in the folding process;

[0022] Figure 6 is Figure 5 an enlarged view of F in the middle;

[0023] Figure 7 is an exploded view of the components of the child's stroller of the present utility model.

CONCRETE EMBODIMENT

[0024] The present utility model will be further described in conjunction with the accompanying drawings:

[0025] As Figures 1 to 7 shown, a child's stroller is capable of moving from an unfolded position to a folded position, in the unfolded position for a child to ride, and in the folded position for easy carrying or storage.

[0026] As Figures 1 to 7As shown, the utility model child's shallow includes front leg 1, front leg 1 lower end is equipped with front wheel 1a, front leg 1 upper end is equipped with first connecting seat 2, first connecting seat 2 is rotatably connected with rear leg 3 around first axis A, rear leg 3 lower end is equipped with rear wheel 3a, first connecting seat 2 is rotatably connected with second connecting seat 4 around second axis B still, second connecting seat 4 is fixed with the push rod assembly 5 for pushing child's shallow on, front leg 1 is rotatably connected with the support bar 6 that crosses it, the support bar 6 and second connecting seat 4 between being equipped with the first transmission 7 that can push the support bar 6 relative front leg 1 folding when push rod assembly 5 is relative front leg 1 folding, the support bar 6 rear end and rear leg 3 between being equipped with the second transmission 8 that can pull rear leg 3 to front leg 1 rotation and close when the support bar 6 is relative front leg 1 folding, the support bar 6 is connected with the seat 9 for child's riding still on. When folding, push forward push rod assembly 5, and then push rod assembly 5 with second connecting seat 4 together relative first connecting seat 2 rotation, and second connecting seat 4 in the rotation process just through first transmission 7 push the support bar 6 relative front leg 1 folding, and the support bar 6 rear end is upturned in the rotation process, and the support bar 6 rear end just through second transmission 8 pull rear leg 3 relative first connecting seat 2 rotation and close to front leg 1, and finally realize push rod assembly 5, support bar 6 and rear leg 32 all close to front leg 1, realize child's shallow folding. The whole child's shallow structure is simple and compact, and folding operation is convenient, and folding is flexible.

[0027] As Figure 3 And Figure 4 As shown, in the present embodiment, in the child's shallow unfolding state, the space surrounded by front leg 1, support bar 6, second transmission 8, rear leg 3 and first connecting seat 2 is triangular structure, thereby ensuring that the child's shallow has stable structure in the unfolded state, firm and reliable.

[0028] As Figures 1 to 7As shown, the support rod 6 is rotatably connected with the front leg 1 around the third axis C, and the support rod 6 is provided with a protruding part 61 protruding to one side thereof, the first transmission part 7 comprises a first transmission plate 71, one end of the first transmission plate 71 is hingedly connected with the protruding part 61, and the other end of the first transmission plate 71 is hingedly connected with the second connecting seat 4 and deviates from the second axis B, the second transmission part 8 comprises a second transmission plate 81, one end of the second transmission plate 81 is hingedly connected with the rear end of the support rod 6, and the other end of the second transmission plate 81 is hingedly connected with the rear leg 3. When the push rod assembly 5 is pushed to rotate forward, the second connecting seat 4 pushes the upper end of the first transmission plate 71 and rotates relative to the first transmission plate 71, the first transmission plate 71 rotates relative to the protruding part 61 of the support rod 6 and pushes the protruding part 61, so that the support rod 6 rotates and folds relative to the front leg 1, and in the process of rotating, the front end of the support rod 6 approaches the lower end of the front leg 1, and the rear end of the support rod 6 is raised upward and in the process of raising, the second transmission plate 81 pulls the rear leg 3 to rotate relative to the first connecting seat 2, and the rear leg 3 rotates and approaches the front leg 1, so that the push rod assembly 5, the support rod 6 and the rear leg 3 all approach the front leg 1, the child stroller is folded, and the folding process is flexible.

[0029] As shown in Figure 1 and Figure 7 , the front leg 1 comprises a front rod 11, the lower end of the front rod 11 is connected with a transverse support 12, the front wheel 1a is arranged at both ends of the support 12, the first connecting seat 2 has two and is connected at the upper end of the front rod 11, the second connecting seat 4 is connected between the two first connecting seats 2, the rear leg 3 has two and is in the shape of a split, and the support rod 6 has two and is connected at both sides of the front rod 11.

[0030] As shown in Figure 1 and Figure 3 , the push rod assembly 5 comprises a lower push rod 51 fixedly connected with the second connecting seat 4, the lower push rod 51 is internally provided with an upper push rod 52 capable of being extended and retracted therein, and the upper push rod 52 is provided with a handle 53 extending forwardly therefrom. In the unfolded state of the child stroller, the upper push rod 52 is in the state of extending outwardly, so as to facilitate gripping the handle 53 to push the child stroller.

[0031] As shown in Figure 2 , the seat 9 comprises a flexible foldable seat pocket 91, the seat pocket 91 can be sewn from cloth, and a child sits in the seat pocket 91 when riding, and the seat pocket 91 can be flexibly folded when the child stroller is folded. The front end of the seat pocket 91 is fixedly connected with the front end of the support rod 6, the rear side of the seat pocket 91 is hung on the hook 41 of the second connecting seat 4, and the upper end of the seat pocket 91 is connected with the handle 53 through a pull rope.

[0032] As shown in Figure 4 and Figure 7As shown, the first connecting seat 2 is hinged with a lifting ring 21 capable of lifting the child stroller, which is deviated from the first axis A and the second axis B. When folding the child stroller, only need to push the push rod assembly 5 forward, and then lift the lifting ring 21 upward, the push rod assembly 5 can rotate forward under the action of its gravity, so as to push the support rod 6 to rotate through the first transmission sheet 71, and the support rod 6 and the rear leg 3 also provide auxiliary force by their own gravity, so that the child stroller is folded more smoothly.

[0033] In the embodiment, the locking device of the child stroller comprises a sliding pin 101 capable of sliding transversely in the first connecting seat 2, the second connecting seat 4 is transversely provided with a locking groove 102 capable of engaging or disengaging with the sliding pin 101, the lower end of the upper push rod 52 is provided with a pushing part 103 capable of pushing the sliding pin 101 out of the locking groove 102 when sliding into the push rod 51 downward, the first connecting seat 2 and the sliding pin 101 are further provided with a reset spring 104 capable of slidingly resetting the sliding pin 101, the pushing part 103 comprises a pushing block 1031 fixed at the lower end of the upper push rod 52, and the two sides of the pushing block 1031 are provided with inclined surfaces 1032 capable of pushing the sliding pin 101 to move transversely. When the child stroller needs to be folded, only need to push the upper push rod 52 downward, the inclined surfaces 1032 at the lower end of the upper push rod 52 push the sliding pin 101 to disengage from the locking groove 102, at this time the second connecting seat 4 is unlocked with the first connecting seat 2, and the push rod assembly 5 can rotate forward. Therefore, when the child stroller needs to be folded, only need to push the upper push rod 52 downward, then push the push rod assembly 5 forward, and finally lift the lifting ring 21, which is very convenient and fast.

[0034] The above embodiment is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A stroller capable of moving from an unfolded position to a folded position after a locking device is unlocked, characterized in that: The utility model provides a kind of folding stroller, including front leg (1), the lower end of the front leg (1) is equipped with front wheel (1a), the upper end of the front leg (1) is equipped with first connecting seat (2), the rear leg (3) is rotatably connected on the first connecting seat (2) around first axis (A), the lower end of the rear leg (3) is equipped with rear wheel (3a), the first connecting seat (2) is further rotatably connected with second connecting seat (4) around second axis (B), the second connecting seat (4) is fixed with push rod assembly (5) on it, the front leg (1) is rotatably connected with the support bar (6) that is crossed with it, first transmission member (7) is equipped between the support bar (6) and second connecting seat (4), when push rod assembly (5) is folded relative to front leg (1), first transmission member (7) can push support bar (6) and be folded relative to front leg (1), the rear end of the support bar (6) and the rear leg (3) between are equipped with second transmission member (8), when support bar (6) is folded relative to front leg (1), second transmission member (8) can pull rear leg (3) and be folded relative to front leg (1), the support bar (6) is further connected with seat (9) on it.

2. The stroller of claim 1, wherein: The support bar (6) is rotatably connected with the front leg (1) around third axis (C), the support bar (6) is equipped with protruding part (61) protruding to its one side, the first transmission member (7) includes first transmission piece (71), one end of the first transmission piece (71) is hinged with the protruding part (61), the other end of the first transmission piece (71) is hinged on the second connecting seat (4) and deviates from the position of second axis (B).

3. The stroller of claim 1 or 2, wherein: The second transmission member (8) includes second transmission piece (81), one end of the second transmission piece (81) is hinged with the rear end of the support bar (6), and the other end is hinged with the rear leg (3).

4. The stroller of claim 3, wherein: In the unfolded state of the stroller, the space surrounded by the front leg (1), the support bar (6), the second transmission member (8), the rear leg (3) and the first connecting seat (2) is in a triangular structure.

5. The stroller of claim 1, wherein: The front leg (1) includes a front rod (11), the lower end of the front rod (11) is connected with a horizontal support (12), the front wheels (1a) are arranged at the two ends of the support (12), the first connecting seats (2) are connected at the upper end of the front rod (11), the second connecting seat (4) is connected between the two first connecting seats (2), the rear legs (3) are in a figure-eight shape, and the support bars (6) are connected on both sides of the front rod (11).

6. The stroller of claim 1, wherein: The push rod assembly (5) includes a lower push rod (51) fixedly connected with the second connecting seat (4), the lower push rod (51) is provided with an upper push rod (52) capable of being telescoped therein, and the upper push rod (52) is provided with a handle (53) extending forward therefrom.

7. The stroller of claim 6, wherein: The seat (9) includes a flexible and foldable seat pocket (91), the front end of the seat pocket (91) is fixedly connected with the front end of the support bar (6), the rear side of the seat pocket (91) is hung on the hook (41) of the second connecting seat (4), and the upper end of the seat pocket (91) is connected to the handle (53) by a pull rope.

8. The stroller of claim 1, wherein: The first connecting seat (2) is hingedly connected with a lifting ring (21) capable of lifting the child stroller.

9. The stroller of claim 6, wherein: The locking device comprises a sliding pin (101) capable of sliding transversely in the first connecting seat (2), the second connecting seat (4) is transversely provided with a locking groove (102) capable of engaging or disengaging with the sliding pin (101), the lower end of the upward pushing rod (52) is provided with a pushing part (103) capable of pushing the sliding pin (101) out of the locking groove (102) when the pushing part (103) slides into the downward pushing rod (51), and the first connecting seat (2) and the sliding pin (101) are further provided with a reset spring (104) capable of slidingly resetting the sliding pin (101).

10. The stroller of claim 9, wherein: The pushing part (103) comprises a pushing block (1031) fixed at the lower end of the upward pushing rod (52), and the pushing block (1031) is provided with inclined surfaces (1032) capable of pushing the sliding pin (101) to move transversely on both sides.

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