CN214985602U

CN214985602U - Baby handcart

Info

Publication number: CN214985602U
Application number: CN202121123210.1U
Authority: CN
Inventors: 廖整辉
Original assignee: Zhongshan Xingshang Baby Product Co ltd
Current assignee: Zhongshan Xingshang Baby Product Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-03
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a baby stroller, including folding bottom frame and folding upper portion support, the bottom frame include around first axis A rotate the front leg and the back leg of connection, front leg and back leg lower extreme all be connected with the wheel, the upper portion support including rotate the vaulting pole of connecting on the back leg, upper portion support and bottom frame between be equipped with and to drive the relative back leg of front leg and rotate the link gear who draws close when the upper portion support rotates folding to the back leg, the back leg on rotate around second axis B and be connected with the seat frame, just seat frame, bottom frame and upper portion support between still be equipped with and to drive the relative back leg of seat frame and rotate the drive mechanism who draws close when the upper portion support rotates folding to the back leg. The utility model aims at overcoming the defects of the prior art, and providing the baby trolley which has simple structure, convenient operation, low cost and small volume after being folded.

Description

Baby handcart

[ technical field ] A method for producing a semiconductor device

The utility model relates to a baby's handcart.

[ background of the invention ]

Baby strollers have become an indispensable product in the growth process of infants. Conventional strollers are generally unfolded or folded to allow an infant to sit while unfolded and to be stored and carried while folded. However, the conventional baby is complex in structure, inconvenient to fold and operate, high in cost, and the volume of the baby after folding is still a space which can be further reduced.

The utility model discloses it is just based on above not enough and produce.

[ Utility model ] content

The utility model aims at overcoming the defects of the prior art, and providing the baby trolley which has simple structure, convenient operation, low cost and small volume after being folded.

The utility model discloses a realize through following technical scheme:

a stroller, characterized in that: including folding bottom frame 1 and folding upper portion support 2, bottom frame 1 including rotating preceding leg 11 and the back leg 12 of connecting around first axis A, preceding leg 11 and back leg 12 lower extreme all be connected with wheel 13, upper portion support 2 including rotating brace 21 of connecting on back leg 12, upper portion support 2 and bottom frame 1 between be equipped with and to drive the link gear 3 that preceding leg 11 rotates the rear leg 12 relatively and draw close when upper portion support 2 rotates folding to back leg 12, back leg 12 on rotate around second axis B and be connected with seat frame 4, just seat frame 4, bottom frame 1 and upper portion support 2 between still be equipped with and to drive seat frame 4 and rotate the drive mechanism 5 that draws close to back leg 12 relatively when upper portion support 2 rotates folding to back leg 12.

The baby stroller as described above, characterized in that: the linkage mechanism 3 comprises a connecting rod 31 connected to the front leg 11 in a rotating mode around a third axis C, the rear leg 12 is connected with a linkage rod 32 in a rotating mode around a fourth axis D, the linkage rod 32 and the connecting rod 31 are connected in a rotating mode around a fifth axis E, and a jacking rod 33 capable of being connected with the linkage rod 21 and the linkage rod 32 in a rotating mode is arranged between the bracing rod 21 and the linkage rod 32.

The baby stroller as described above, characterized in that: the lower end of the top pressure rod 33 is rotatably connected to the linkage rod 32 around a fifth axis E, and the upper end of the top pressure rod 33 is rotatably connected to the support rod 21 around a sixth axis F.

The baby stroller as described above, characterized in that: the traction mechanism 5 comprises a sliding part 51 which is slidably connected to the front leg 11, a first traction rod 52 which is rotatably connected with the sliding part 51 and the seat frame 4 is arranged between the sliding part 51 and the support rod 21, and a second traction rod 53 which is rotatably connected with the sliding part 51 and the support rod 21 and can pull the sliding part 51 to slide when the support rod 21 rotates relative to the rear leg 12 is arranged between the sliding part 51 and the support rod 21.

The baby stroller as described above, characterized in that: the upper end of the first traction rod 52 is rotatably connected to the seat frame 4 around a seventh axis G, the lower end of the first traction rod 52 is rotatably connected to the sliding member 51 around an eighth axis H, the lower end of the second traction rod 53 is rotatably connected to the sliding member 51 around an eighth axis H, and the upper end of the second traction rod 53 is connected to the stay bar 21 around a ninth axis I.

The baby stroller as described above, characterized in that: a locking mechanism 7 which can keep the baby stroller in a unfolding state is arranged between the front legs 11 and the brace 21.

The baby stroller as described above, characterized in that: the locking mechanism 7 comprises a locking piece 71 arranged on the front leg 11, the stay bar 21 is rotatably connected with a locking piece 72 around a tenth axis J, the locking piece 72 is provided with a locking position 721 capable of being separated from the locking piece 71 when rotating, an elastic piece 73 capable of enabling the locking position 721 on the locking piece 72 to keep a locking state is arranged between the locking piece 72 and the stay bar 21, and the upper bracket 2 is further provided with a driving piece capable of driving the locking position 721 to rotate to unlock.

The baby stroller as described above, characterized in that: the upper bracket 2 further comprises a hand push rod 22 slidably connected to the support rod 21, and the driving member is disposed at the lower end of the hand push rod 22.

The baby stroller as described above, characterized in that: the seat frame 4 is also connected with a foldable seat assembly 6.

The baby stroller as described above, characterized in that: the lower end of the stay bar 21 is rotatably connected to the rear leg 12 around a first axis a.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model discloses baby's handcart is when using, at first promote the vaulting pole downwards, promote the relative back leg of vaulting pole and rotate and draw close foldingly to the back leg, and drive link gear and drive the drive mechanism activity when promoting the relative back leg of vaulting pole and rotate foldingly, link gear drives the front leg and rotates to draw close to the back leg when the link gear activity, drive mechanism drives the seat frame and rotates to draw close to the back leg when the drive mechanism activity, and then realize folding of whole baby's handcart, whole folding process is simple swift, link gear sets up between bottom frame and upper portion support, drive mechanism sets up frame and upper portion support in seat frame bottom, occupation space is little, baby's handcart simple structure is compact.

2. When the supporting rod rotates downwards relative to the rear leg, the supporting rod pushes the upper end of the jacking rod to rotate relative to the supporting rod and move downwards, the lower end of the jacking rod simultaneously jacks the rear end of the connecting rod and the front end of the linkage rod to move downwards, when the rear end of the connecting rod and the front end of the linkage rod move downwards, the front end of the connecting rod rotates relative to the front leg, and meanwhile, the rear end of the linkage rod rotates relative to the rear leg to pull the front leg to be close to the rear leg for folding.

3. When the supporting rod rotates downwards relative to the rear leg, the supporting rod rotates relative to the rear leg and moves upwards to tilt, the upper end of the second traction rod rotates around the supporting rod and moves upwards along with the supporting rod, the lower end of the second traction rod pulls the sliding piece to slide upwards along the front leg, the lower end of the first traction rod rotates relative to the sliding piece and moves upwards under the driving of the sliding piece in the process that the sliding piece slides upwards along the front leg, the upper end of the first traction rod rotates relative to the seat frame and pulls the front end of the seat frame to move downwards, and when the front end of the seat frame moves, the rear end of the seat frame rotates relative to the rear leg to close to the rear leg and finally abuts against the front leg.

[ description of the drawings ]

FIG. 1 is a perspective view of the stroller of the present invention;

fig. 2 is a second perspective view of the stroller of the present invention;

FIG. 3 is a side view of the stroller of the present invention;

FIG. 4 is a view showing a state of the stroller of the present invention when folded;

fig. 5 is a second state view of the stroller of the present invention when folded;

FIG. 6 is a cross-sectional view of the locking mechanism of the stroller of the present invention when locked;

fig. 7 is a cross-sectional view of the locking mechanism of the stroller of the present invention when unlocked.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 7, the present invention provides a baby carriage, which comprises a foldable bottom frame 1 and a foldable upper support 2, the base frame 1 comprises a front leg 11 and a rear leg 12 pivotally connected about a first axis a, the lower ends of the front legs 11 and the rear legs 12 are both connected with wheels 13, the upper bracket 2 comprises a brace 21 which is rotatably connected with the rear legs 12, a linkage mechanism 3 which can drive the front leg 11 to rotate and draw close relative to the rear leg 12 when the upper support 2 rotates and folds towards the rear leg 12 is arranged between the upper support 2 and the bottom frame 1, the rear leg 12 is rotatably connected with a seat frame 4 around a second axis B, and a traction mechanism 5 which can drive the seat frame 4 to rotate and approach relative to the rear legs 12 when the upper support 2 rotates and folds towards the rear legs 12 is also arranged among the seat frame 4, the bottom frame 1 and the upper support 2.

The utility model discloses baby's handcart is when using, at first promote vaulting pole 21 downwards, promote vaulting pole 21 relative back leg 12 and rotate and draw close folding to back leg 12, and drive link gear 3 and drive the 5 activities of drive mechanism when promoting vaulting pole 21 relative back leg 12 to rotate folding, it draws close to drive front leg 11 to rotate back leg 12 when link gear 3 activities, drive seat frame 4 when drive link gear 5 activities and rotate to draw close to back leg 12, and then realize folding of whole baby's handcart, whole folding process is simple swift, link gear 3 sets up between bottom frame 1 and upper portion support 2, drive mechanism 5 sets up frame 1 and upper portion support 2 in seat frame 4 bottom, occupation space is little, baby's handcart simple structure is compact. The front legs 11 and the seat frame 4 are simultaneously folded towards the rear legs 12 through the matching of the support rods 21, the linkage mechanisms 3 and the traction mechanisms 5.

As shown in fig. 3, the linkage mechanism 3 includes a connecting rod 31 rotatably connected to the front leg 11 around a third axis C, the rear leg 12 is rotatably connected to a linkage rod 32 around a fourth axis D, the linkage rod 32 and the connecting rod 31 are rotatably connected around a fifth axis E, and a top pressure rod 33 rotatably connected to the support rod 21 and the linkage rod 32 is disposed between the support rod and the linkage rod.

As shown in fig. 3, the lower end of the pressing rod 33 is rotatably connected to the linkage rod 32 around a fifth axis E, and the upper end of the pressing rod 33 is rotatably connected to the stay bar 21 around a sixth axis F. When the stay bar 21 rotates downwards relative to the rear leg 12, the stay bar 21 pushes the upper end of the jacking rod 33 to rotate relative to the stay bar 21 and move downwards, the lower end of the jacking rod 33 simultaneously jacks the rear end of the connecting rod 31 and the front end of the linkage rod 32 to move downwards, and when the rear end of the connecting rod 31 and the front end of the linkage rod 32 move downwards, the front end of the connecting rod 31 rotates relative to the front leg 11, and simultaneously the rear end of the linkage rod 32 rotates relative to the rear leg 12 to pull the front leg 11 to fold towards the rear leg.

As shown in fig. 3 to 4, the traction mechanism 5 includes a sliding member 51 slidably connected to the front leg 11, a first traction rod 52 rotatably connected to the sliding member 51 and the seat frame 4 is disposed between the sliding member 51 and the stay 21, and a second traction rod 53 rotatably connected to the sliding member 51 and capable of pulling the sliding member 51 to slide when the stay 21 rotates relative to the rear leg 12 is disposed between the sliding member 51 and the stay 21.

As shown in fig. 3 to 4, the upper end of the first traction rod 52 is rotatably connected to the seat frame 4 around a seventh axis G, the lower end of the first traction rod 52 is rotatably connected to the sliding member 51 around an eighth axis H, the lower end of the second traction rod 53 is rotatably connected to the sliding member 51 around the eighth axis H, and the upper end of the second traction rod 53 is connected to the stay 21 around a ninth axis I.

When the stay 21 rotates downwards relative to the rear leg 12, the lower end of the stay 21 rotates relative to the rear leg 12 and moves upwards to tilt, the upper end of the second traction rod 53 rotates around the stay 21 and moves upwards along with the stay 21, the lower end of the second traction rod pulls the sliding piece 51 to slide upwards along the front leg 11, the lower end of the first traction rod 52 rotates relative to the sliding piece 51 and moves upwards under the driving of the sliding piece 51 in the process that the sliding piece 51 slides upwards along the front leg 11, the upper end of the first traction rod 52 rotates relative to the seat frame 4 and pulls the front end of the seat frame 4 to move downwards, and when the front end of the seat frame 4 moves, the rear end of the seat frame 4 rotates relative to the rear leg 12 to close to finally abut against the front leg 11.

As shown in fig. 6 to 7, a locking mechanism 7 for maintaining the stroller in the unfolded state is provided between the front legs 11 and the stay 21.

As shown in fig. 6 to 7, the locking mechanism 7 includes a locking member 71 disposed on the front leg 11, the strut 21 is rotatably connected to a locking member 72 around a tenth axis J, the locking member 72 is provided with a locking position 721 capable of disengaging from the locking member 71 when rotating, an elastic member 73 capable of keeping the locking position 721 on the locking member 72 in a locking state is disposed between the locking member 72 and the strut 21, and the upper bracket 2 is further provided with a driving member capable of driving the locking position 721 to rotate to unlock. The locking member 71 may be a positioning pin, a positioning post, or the like, and the elastic member 73 may be a spring. When the stroller is to be folded, the locking member 72 is first rotated by the driving member, and the locking member 72 compresses the elastic member 73 when rotated, so that the locking member 72 rotates relative to the front leg 11 and the locking position 721 is separated from the locking member 71, and at this time, the locking mechanism 7 is unlocked, and the front leg 11 and the stay 21 can be rotated relative to the rear leg 12, respectively.

As shown in fig. 6 to 7, the upper bracket 2 further includes a handle bar 22 slidably connected to the support bar 21, and the driving member is provided at a lower end of the handle bar 22. The push rod 22 is pushed to slide the push rod 22 in the stay bar 21, and the locking mechanism 7 can be unlocked when the driving piece at the lower end of the push rod 22 pushes the locking piece 72, so that the operation is very convenient.

As shown in fig. 1, the seat frame 4 is further connected with a foldable seat assembly 6. The seat assembly 6 is able to follow the fold when the seat frame 4 is folded.

As shown in fig. 3, the lower end of the stay 21 is pivotally connected to the rear leg 12 about a first axis a.

Claims

1. A stroller, characterized in that: including folding bottom frame (1) and folding upper portion support (2), bottom frame (1) including around first axis (A) rotate preceding leg (11) and back leg (12) of connecting, preceding leg (11) and back leg (12) lower extreme all be connected with wheel (13), upper portion support (2) including rotate brace rod (21) of connecting on back leg (12), upper portion support (2) and bottom frame (1) between be equipped with and to drive linkage mechanism (3) that preceding leg (11) rotated back leg (12) relatively and drawn close when upper portion support (2) rotated folding, back leg (12) on rotate around second axis (B) and be connected with seat frame (4), just seat frame (4), bottom frame (1) and upper portion support (2) between still be equipped with and to drive seat frame (4) relatively and rotate drawing close traction that seat frame (12) rotated when upper portion support (2) rotated folding back leg (12) relatively A guiding mechanism (5).

2. A stroller according to claim 1, wherein: the linkage mechanism (3) comprises a connecting rod (31) which is rotatably connected to the front leg (11) around a third axis (C), the rear leg (12) is rotatably connected with a linkage rod (32) around a fourth axis (D), the linkage rod (32) and the connecting rod (31) are rotatably connected around a fifth axis (E), and a jacking rod (33) which can be rotatably connected with the support rod (21) and the linkage rod (32) is arranged between the support rod (21) and the linkage rod (32).

3. A stroller according to claim 2, wherein: the lower end of the top pressure rod (33) is rotatably connected to the linkage rod (32) around a fifth axis (E), and the upper end of the top pressure rod (33) is rotatably connected to the stay bar (21) around a sixth axis (F).

4. A baby carriage as claimed in any one of claims 1 to 3, characterized in that: the traction mechanism (5) comprises a sliding part (51) which is connected to the front leg (11) in a sliding mode, a first traction rod (52) which is connected with the sliding part (51) and the seat frame (4) in a rotating mode is arranged between the sliding part (51) and the support rod (21), and a second traction rod (53) which is connected with the sliding part (51) in a rotating mode and can pull the sliding part (51) to slide when the support rod (21) rotates relative to the rear leg (12) is arranged between the sliding part (51) and the support rod (21).

5. A stroller according to claim 4, wherein: the upper end of the first traction rod (52) is rotatably connected to the seat frame (4) around a seventh axis (G), the lower end of the first traction rod (52) is rotatably connected to the sliding piece (51) around an eighth axis (H), the lower end of the second traction rod (53) is rotatably connected to the sliding piece (51) around the eighth axis (H), and the upper end of the second traction rod (53) is connected to the support rod (21) around a ninth axis (I).

6. A stroller according to claim 1, wherein: a locking mechanism (7) which can keep the baby stroller in an unfolded state is arranged between the front legs (11) and the support rods (21).

7. A stroller according to claim 6, wherein: locking mechanical system (7) including locating locking piece (71) on preceding leg (11), vaulting pole (21) on rotate around tenth axis (J) and be connected with latch fitting (72), latch fitting (72) on be equipped with the latch fitting (721) that can break away from with locking piece (71) when it rotates, latch fitting (72) and vaulting pole (21) between be equipped with elastic component (73) that can make latch fitting (72) on latch fitting (721) keep the kayser state, upper portion support (2) on still be equipped with and drive the driving piece that can drive latch fitting (721) and rotate and the unblock.

8. A stroller according to claim 7, wherein: the upper support (2) further comprises a hand push rod (22) connected to the support rod (21) in a sliding mode, and the driving piece is arranged at the lower end of the hand push rod (22).

9. A stroller according to any of claims 1 to 3 and 6 to 8, wherein: the seat frame (4) is also connected with a foldable seat assembly (6).

10. A stroller according to claim 1, wherein: the lower end of the stay bar (21) is rotatably connected to the rear leg (12) around a first axis (A).