CN220594997U - Child's bike - Google Patents

Abstract

The utility model discloses a baby carrier which comprises a front leg and a rear leg which is rotationally connected to the front leg around a first axis A, wherein a supporting rod which can rotate relative to the rear leg is rotationally connected to the rear leg around a second axis B, a first locking component is arranged between the rear leg and the front leg, a second locking component is arranged between the front leg, the rear leg and the supporting rod, an unlocking piece which can unlock the second locking component when sliding relative to the front leg, a hand push rod which can slide relative to the supporting rod after unlocking and push the unlocking piece is also connected to the supporting rod, an unlocking part which can unlock the first locking component when the supporting rod rotates to a preset position towards the rear leg is also arranged on the supporting rod, a front wheel is connected to the lower end of the front leg, and a rear wheel is connected to the lower end of the rear leg. The utility model aims to overcome the defects of the prior art and provides a baby carrier with a simple structure. The child car adopting the transmission mechanism has the advantages of simple unlocking operation, smooth folding and unfolding process, small volume after folding and convenient carrying and storage.

Description

Child's bike

[ field of technology ]

The present utility model relates to a child's vehicle.

[ background Art ]

Child carts are a common product of the growth of infants. The existing child cart can be unfolded or folded generally, when in an unfolded state, the child cart is locked in the unfolded state through the locking device, when the child cart needs to be folded, the locking device is unlocked, and then the child cart is moved to a folded state so as to be convenient to store or carry, but the unlocking of the existing child cart is troublesome, and the unlocking operation is complex. Therefore, the utility model provides the baby stroller which has a simple structure and a small volume after being folded.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provides a baby carrier with a simple structure. The child car adopting the transmission mechanism has the advantages of simple unlocking operation, smooth folding and unfolding process, small volume after folding and convenient carrying and storage.

The utility model is realized by the following technical scheme:

the utility model provides a child's bike, includes preceding leg 11 and rotates around first axis A and connect the back leg 12 on preceding leg 11, back leg 12 on rotate around second axis B and be connected with the vaulting pole 13 that can rotate relative to it, back leg 12 and preceding leg 11 between be equipped with the first locking subassembly 2 that can lock the two, preceding leg 11, back leg 12 and vaulting pole 13 between be equipped with the second locking subassembly 3 that can lock the two, vaulting pole 13 on be connected with the release member 14 that can make the second locking subassembly 3 unblock when sliding relative to it, vaulting pole 13 on still be connected with and can slide and push away the push rod 15 of release member 14 relative to it after the unblock, vaulting pole 13 on still be equipped with the unblock portion 130 that can make the unblock of first locking subassembly 2 when vaulting pole 13 rotates to the back leg 12 to the default position, preceding leg 11 lower extreme be connected with front wheel 111, back leg 12 lower extreme be connected with rear wheel 121.

The front leg 11 is also connected with a seat assembly 4, and a driving assembly 5 which can enable the seat assembly 4 to be close to the front leg 11 when the front leg 11 is close to the rear leg 12 in a rotating way is arranged among the front leg 11, the seat assembly 4 and the rear leg 12.

The seat assembly 4 comprises a seat connecting seat 41 with the rear end rotatably connected to the front leg 11 around a third axis C, a linkage rod 42 capable of rotating relative to the seat connecting seat 41 is arranged between the seat connecting seat 41 and the driving assembly 5, the upper end of the linkage rod 42 is rotatably connected to the front end of the seat connecting seat 41 around a fourth axis D, the driving assembly 5 comprises a gear part 51 arranged on the rear leg 12, the driving assembly 5 further comprises a driving gear 52 rotatably connected to the front leg 11 around a fifth axis E and meshed with the gear part 51, the lower end of the linkage rod 42 is rotatably connected to the driving gear 52 around a sixth axis F, and the sixth axis F is deviated from the fifth axis E, so that the linkage rod 42 can drive the seat connecting seat 41 to rotate towards the front leg 11 when the driving gear 52 rotates.

And when the baby carrier is folded, the stay bar 13 can be unfolded in a rotating way to be used as a handle.

The front leg 11 on fixedly be equipped with first connecting seat 112, the rear leg 12 on fixedly be equipped with second connecting seat 122, vaulting pole 13 on fixedly be equipped with third connecting seat 131, first connecting seat 112, second connecting seat 122 and third connecting seat 131 rotatable coupling each other and make front leg 11, rear leg 12 and vaulting pole 13 can rotate to expand or rotate to fold.

The first connecting seat 112 includes a first left connecting seat 1121 and a first right connecting seat 1122 disposed on the left and right sides of the third connecting seat 131, the second connecting seat 122 includes a second left connecting seat 1221 and a second right connecting seat 1222 disposed on the outer sides of the first left connecting seat 1121 and the first right connecting seat 1122, a connecting shaft 123 passing through the first left connecting seat 1121, the third connecting seat 131 and the first right connecting seat 1122 in sequence is connected between the second left connecting seat 1221 and the second right connecting seat 1222, and the connecting shaft 123 is disposed between the third connecting seat 131 and the first right connecting seat 1122 and is connected with the mounting sleeve 124.

The first locking component 2 is arranged between the first right connecting seat 1122 and the second right connecting seat 1222, the first locking component 2 comprises a first clamping groove 21 arranged on the first right connecting seat 1122 along the circumferential direction, a second clamping groove 22 is arranged on the second right connecting seat 1222 and on one side opposite to the first right connecting seat 1122 along the circumferential direction, a first spline 23 capable of transversely moving and simultaneously clamping with the first clamping groove 21 and the second clamping groove 22 is arranged between the first right connecting seat 1122 and the second right connecting seat 1222, a first pushing piece 24 capable of pushing the first spline 23 to separate from the first clamping groove 21 on the first right connecting seat 1122 when being pushed by the unlocking part 130 is arranged between the first spline 23 and the first right connecting seat 1122, and a first elastic piece 25 capable of pushing the first spline 23 to reset is arranged between the first spline 23 and the second right connecting seat 1222.

The second locking component 3 is arranged between the second left connecting seat 1221, the first left connecting seat 1121 and the third connecting seat 131, the second locking component 3 comprises a third clamping and locking groove 31 arranged on the second left connecting seat 1221 along the circumferential direction, a fourth clamping and locking groove 32 is arranged on one side, opposite to the second left connecting seat 1221, of the third connecting seat 131, a second spline 33 capable of transversely moving and simultaneously clamping with the third clamping and locking groove 31 and the fourth clamping and locking groove 32 is arranged between the second left connecting seat 1221 and the third connecting seat 131, a second pushing piece 34 capable of pushing the second spline 33 to be separated from the fourth clamping and locking groove 32 on the third connecting seat 131 when the unlocking piece 14 pushes is arranged between the second spline 33 and the second left connecting seat 1221, a second elastic piece 35 capable of resetting the second spline 33 is arranged between the second spline 33 and the third connecting seat 1221, a second spline portion 331 is arranged on the second left protruding portion capable of correspondingly pushing the second spline 33, and the second spline portion 331 can be connected with the second left connecting seat 331 in a sliding mode, and the second spline portion 331 can be supplied to the second left connecting seat 331, and the second spline portion can be supplied to the second connecting seat 331.

The unlocking piece 14 comprises an unlocking block 141 which is connected in the supporting rod 13 in a sliding way, a pushing block 151 which can push the unlocking block 141 to slide is arranged on the hand pushing rod 15, and an elastic element 142 which can push the unlocking block 141 to reset is arranged between the unlocking block 141 and the supporting rod 13.

The first pushing element 24 is provided with a first pushing part 241 which can extend into the third connecting seat 131 and can be pushed by the unlocking part 130 to enable the first spline 23 to slide when the supporting rod 13 rotates to a preset position, the second pushing element 34 is provided with a second pushing part 341 which can extend into the third connecting seat 131, the third connecting seat 131 is provided with a yielding groove 1311 which can yield the first pushing part 241, the unlocking block 141 is provided with a pushing surface 1411 which can push the second pushing part 341, the unlocking block 141 is provided with a yielding groove 1412 which can yield the first pushing part 241, the third connecting seat 131 is provided with a first arc groove 1312 which can enable the second pushing part 341 to slide inwards, the first right connecting seat 1122 is provided with a second arc groove 11221 which can enable the first pushing part 241 to slide inwards, the unlocking part 130 comprises a first inclined pushing surface 1301 which is arranged on the third connecting seat 131 and can respectively provided with a first inclined pushing surface 1301 at the two ends of the first pushing part 1301 when the supporting rod 13 rotates to the preset position; the first right connecting seat 1122 is provided with a first bulge 1123, the first pushing piece 24 is provided with a first accommodating groove 242 capable of accommodating the first bulge 1123, the first pushing piece 24 is also provided with a first driving surface 243 capable of propping against the first bulge 1123 mutually when the first pushing piece rotates so that the first pushing piece 24 pushes the first spline 23 to slide transversely, the third connecting seat 131 is provided with a second bulge 1313, the second pushing piece 34 is provided with a second accommodating groove 342 capable of accommodating the second bulge 1313, and the second pushing piece 34 is also provided with a second driving surface 343 capable of propping against the second bulge 1313 mutually when the second pushing piece rotates so that the second pushing piece 34 pushes the second spline 33 to slide transversely.

Compared with the prior art, the utility model has the following advantages:

1. according to the folding baby carriage, the push rod is pushed to slide along the supporting rod when the folding baby carriage is folded, the unlocking piece is pushed to slide along the supporting rod when the push rod slides along the supporting rod, the second locking component is unlocked when the unlocking piece slides, at the moment, the supporting rod and the front leg are unlocked, the supporting rod can rotate around the second axis B relative to the rear leg to be close to the rear leg, the unlocking part unlocks the first locking component when the supporting rod rotates to a preset position, at the moment, the front leg and the rear leg are unlocked, the front leg can rotate around the first axis A to be close to the rear leg, and the unlocking of the whole baby carriage is very convenient only by pushing the push rod to slide to push the unlocking piece.

2. When the front leg is folded relative to the rear leg around the first axis A, the driving gear is matched with the gear part to enable the front leg and the rear leg to be folded more smoothly, when the driving gear rotates, the driving gear drives the linkage rod to move inwards in the front leg, the linkage rod rotates relative to the driving gear and the front end of the seat connecting seat when moving, the front end of the seat connecting seat is driven to be folded towards the front leg, at the moment, the rear end of the seat connecting seat rotates and folds relative to the front leg around the third axis C, when the seat connecting seat is folded towards the front leg, folding of the whole baby carrier is completed, folding operation is simple, and when the front leg rotates towards the rear leg to be folded, the seat connecting seat rotates towards the front leg to be folded.

[ description of the drawings ]

FIG. 1 is one of the perspective views of a child's vehicle of the present utility model;

FIG. 2 is a second perspective view of the child's vehicle of the present utility model;

FIG. 3 is a side view of the child's vehicle of the present utility model;

FIG. 4 is a perspective view of the drive assembly of the child car of the present utility model;

FIG. 5 is a state diagram of the drive assembly of the child car of the present utility model when folded;

FIG. 6 is a cross-sectional view of the drive assembly of the child car of the present utility model;

FIG. 7 is a side view of the drive assembly of the child car of the present utility model when folded;

FIG. 8 is a third perspective view of the child car of the present utility model;

FIG. 9 is one of the exploded views of the child's vehicle of the present utility model;

FIG. 10 is a second exploded view of the child's vehicle of the present utility model;

FIG. 11 is a third exploded view of the child car of the present utility model;

FIG. 12 is a fourth exploded view of the child's vehicle of the present utility model;

FIG. 13 is a fifth exploded view of the child's vehicle of the present utility model;

FIG. 14 is a perspective view of the push rod of the child's vehicle of the present utility model;

FIG. 15 is one of the exploded views of the stay and the second pusher of the child car of the present utility model;

FIG. 16 is a second exploded view of the stay and the second pusher of the child car of the present utility model;

FIG. 17 is one of the exploded views of the front leg and the first urging member of the child's vehicle of the present utility model;

FIG. 18 is a second exploded view of the front leg and the second pusher of the child car of the present utility model;

FIG. 19 is one of the state diagrams of the drive assembly of the child car of the present utility model when folded;

FIG. 20 is a state diagram of the child car of the present utility model when the seat is folded;

FIG. 21 is a second state diagram of the drive assembly of the child car of the present utility model when folded;

FIG. 22 is one of the perspective views of the child's vehicle of the present utility model when the folding is completed;

FIG. 23 is a second perspective view of the child car of the present utility model when folded;

FIG. 24 is a perspective view of another use condition of the child car of the present utility model;

FIG. 25 is a perspective view of the front leg of the child's vehicle of the present utility model;

fig. 26 is a perspective view of a stay for the child's vehicle of the present utility model.

[ detailed description ] of the utility model

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 24, a stroller comprises a front leg 11 and a rear leg 12 rotatably connected to the front leg 11 around a first axis a, a stay bar 13 capable of rotating relative to the rear leg 12 is rotatably connected to the rear leg 12 around a second axis B, a first locking component 2 capable of locking the front leg 11 and the rear leg 12 is arranged between the rear leg 12 and the front leg 11, a second locking component 3 capable of locking the front leg 11, the rear leg 12 and the stay bar 13 is arranged between the front leg 11 and the stay bar 13, an unlocking piece 14 capable of unlocking the second locking component 3 when sliding relative to the stay bar 13 is connected to the stay bar 13, a push rod 15 capable of sliding relative to the stay bar 13 after unlocking is connected to the stay bar 13, an unlocking part 130 capable of unlocking the first locking component 2 when the stay bar 13 rotates to a preset position towards the rear leg 12 is arranged on the stay bar 13, a front wheel 111 is connected to the lower end of the front leg 11, and a rear wheel 121 is connected to the lower end of the rear leg 12.

According to the utility model, when the folding push rod 15 is pushed to slide along the supporting rod 13, the push rod 15 pushes the unlocking piece 14 to slide along the supporting rod 13 when sliding along the supporting rod 13, the unlocking piece 14 enables the second locking component 3 to be unlocked when sliding, at the moment, the supporting rod 13 is unlocked with the front leg 11 and the rear leg 12, the supporting rod 13 can rotate around the second axis B relative to the rear leg 12 to be close to the rear leg 12, when the supporting rod 13 rotates to a preset position, the unlocking part 130 unlocks the first locking component 2, at the moment, the front leg 11 and the rear leg 12 are unlocked, the front leg 11 can rotate around the first axis A to be close to the rear leg 12, and the unlocking of the whole baby carriage is very convenient only by pushing the push rod 15 to slide to push the unlocking piece 14.

As shown in fig. 4 to 7, the front leg 11 is further connected with a seat assembly 4, and a driving assembly 5 capable of enabling the seat assembly 4 to be close to the front leg 11 when the front leg 11 is close to the rear leg 12 in a rotating manner is arranged among the front leg 11, the seat assembly 4 and the rear leg 12. The drive assembly 5 is arranged to rotate the seat assembly 4 toward the front leg 11 as the front leg 11 rotates toward the rear leg 12.

As shown in fig. 4 to 7, the seat assembly 4 includes a seat connecting seat 41 whose rear end is rotatably connected to the front leg 11 about a third axis C, a link lever 42 capable of rotating relative to the seat connecting seat 41 is disposed between the seat connecting seat 41 and the driving assembly 5, the upper end of the link lever 42 is rotatably connected to the front end of the seat connecting seat 41 about a fourth axis D, the driving assembly 5 includes a gear portion 51 disposed on the rear leg 12, the driving assembly 5 further includes a driving gear 52 rotatably connected to the front leg 11 about a fifth axis E and meshed with the gear portion 51, the lower end of the link lever 42 is rotatably connected to the driving gear 52 about a sixth axis F, and the sixth axis F is offset from the fifth axis E, so that the link lever 42 can drive the seat connecting seat 41 to rotate toward the front leg 11 when the driving gear 52 rotates. When the front leg 11 is folded in rotation about the first axis a relative to the rear leg 12, the drive gear 52 cooperates with the gear portion 51 to allow smoother folding of the front and rear legs 11, 12. When the driving gear 52 rotates, the driving gear 52 drives the linkage rod 42 to move towards the inside of the front leg 11, the linkage rod 42 rotates relative to the driving gear 52 and the front end of the seat connecting seat 41 simultaneously when moving, the front end of the seat connecting seat 41 is driven by the linkage rod 42 to be close to the front leg 11, at this time, the rear end of the seat connecting seat 41 rotates and folds relative to the front leg 11 around the third axis C, when the seat connecting seat 41 is close to the front leg 11, the folding operation of the whole baby carrier is completed, the folding operation is simple, and in the process that the front leg 11 rotates towards the rear leg 12, the seat connecting seat 41 rotates towards the front leg 11.

As shown in fig. 24, and when the stroller is folded, the stay 13 can be rotated and unfolded to serve as a handle. When the baby carrier is folded, the stay bar 13 is rotated, and the stay bar 13 is unfolded in a rotating way relative to the rear legs 12, so that the baby carrier can be used as a handle, and the whole baby carrier is just like a suitcase, so that the baby carrier is convenient to use and is lifted by adults.

As shown in fig. 9 to 11, the front leg 11 is fixedly provided with a first connecting seat 112, the rear leg 12 is fixedly provided with a second connecting seat 122, the supporting rod 13 is fixedly provided with a third connecting seat 131, the first connecting seat 112, the second connecting seat 122 and the third connecting seat 131 are rotatably connected with each other, so that the front leg 11, the rear leg 12 and the supporting rod 13 can be rotatably unfolded or rotatably folded in the process that the front leg 11 is folded towards the rear leg 12, the driving gear 52 and the gear part 51 synchronously move, when the upper end of the rear leg 12 is lifted, the front leg 11 and the supporting rod 13 can be automatically folded towards the rear leg 12 under the action of gravity, the whole folding process is smooth, and the operation is simpler.

As shown in fig. 9 to 11, the first connecting seat 112 includes a first left connecting seat 1121 and a first right connecting seat 1122 disposed on the left and right sides of the third connecting seat 131, the second connecting seat 122 includes a second left connecting seat 1221 and a second right connecting seat 1222 disposed on the outer sides of the first left connecting seat 1121 and the first right connecting seat 1122, a connecting shaft 123 passing through the first left connecting seat 1121, the third connecting seat 131 and the first right connecting seat 1122 in sequence is connected between the second left connecting seat 1221 and the second right connecting seat 1222, and an installation sleeve 124 is connected between the third connecting seat 131 and the first right connecting seat 1122 on the connecting shaft 123. The first connecting seat 112, the second connecting seat 122 and the third connecting seat 131 are rotatably connected around the same axis through the connecting shaft 123, so that the folding and unfolding are flexible, and the structure is simple and compact.

As shown in fig. 12 to 13, the first locking assembly 2 is disposed between the first right connecting seat 1122 and the second right connecting seat 1222, the first locking assembly 2 includes a first locking groove 21 disposed on the first right connecting seat 1122 along a circumferential direction, a second locking groove 22 disposed on the second right connecting seat 1222 and opposite to the first right connecting seat 1122 along a circumferential direction, a first spline 23 capable of moving laterally and simultaneously locking with the first locking groove 21 and the second locking groove 22 is disposed between the first right connecting seat 1122 and the second right connecting seat 1222, a first pushing member 24 capable of pushing the first spline 23 to disengage from the first locking groove 21 on the first right connecting seat 1122 when pushed by the unlocking portion 130 is disposed between the first spline 23 and the first right connecting seat 1122, and a first elastic member 25 capable of resetting the first spline 23 is disposed between the first spline 23 and the second right connecting seat 1222. When the unlocking piece 14 is pushed by the push rod 15 to slide, the second locking assembly 3 is unlocked firstly, at this time, the supporting rod 13 can rotate relative to the rear leg 12 and close to the rear leg 12, when the supporting rod 13 rotates to a preset position, the unlocking part 130 on the supporting rod 13 pushes the first pushing piece 24, after the first pushing piece 24 is pushed, the first pushing piece 24 slides relative to the first right connecting seat 1122 and the second right connecting seat 1222, and when the first pushing piece 24 slides, the first spline 23 is pushed to be separated from the first locking groove 21 on the first right connecting seat 1122, so that the first spline 23 completely enters the second right connecting seat 1222, and at this time, the front leg 11 and the rear leg 12 are unlocked.

As shown in fig. 12 to 13, the second locking component 3 is disposed between the second left connecting seat 1221, the first left connecting seat 1121 and the third connecting seat 131, the second locking component 3 includes a third locking groove 31 disposed on the second left connecting seat 1221 along the circumferential direction, a fourth locking groove 32 disposed on the third connecting seat 131 and opposite to the second left connecting seat 1221 along the circumferential direction, a second spline 33 capable of moving transversely and simultaneously engaging with the third locking groove 31 and the fourth locking groove 32 is disposed between the second left connecting seat 1221 and the third connecting seat 131, a second pushing member 34 capable of pushing the second spline 33 to disengage from the fourth locking groove 32 on the third connecting seat 131 when pushed by the unlocking member 14 is disposed between the second spline 33 and the third connecting seat 131, a second elastic member 35 capable of resetting the second spline 33 is disposed between the second left connecting seat 1221, and a second spline portion 331 capable of feeding into the second spline portion 1121 is disposed on the second left connecting seat 331 and is disposed on the second left connecting seat 331, and the second spline portion is capable of feeding into the second spline portion 331. And the latch 331 is generally located in the first recess 36 and the other half is located in the second recess 37 when the stroller is in the locked condition. When the unlocking piece 14 is pushed by the push rod 15 to slide, the second pushing piece 34 is pushed by the unlocking piece 14 to slide relative to the second left connecting seat 1221 and the third connecting seat 131, the second pushing piece 34 pushes the second spline 33 to be separated from the fourth locking groove 32 on the third connecting seat 131 when sliding, so that the second spline 33 completely enters the second left connecting seat 1221, and when the second spline 33 slides, the locking part 331 on the second spline 33 is separated from the first groove 36 and completely enters the second groove 37, at this time, the stay rod 13 is unlocked from the front leg 11 and the rear leg 12, and when the first locking assembly 2 and the second locking assembly 3 are unlocked, the whole baby carrier can be folded.

As shown in fig. 12 to 13, the unlocking member 14 includes an unlocking block 141 slidably connected to the stay bar 13, the push rod 15 is provided with a pushing block 151 capable of pushing the unlocking block 141 to slide, and an elastic element 142 capable of pushing the unlocking block 141 to reset is disposed between the unlocking block 141 and the stay bar 13.

As shown in fig. 12 to 13, the first pushing element 24 is provided with a first pushing portion 241 capable of extending into the third connecting seat 131 and being pushed by the unlocking portion 130 when the supporting rod 13 rotates to a preset position so as to enable the first spline 23 to slide, the second pushing element 34 is provided with a second pushing portion 341 capable of extending into the third connecting seat 131, the third connecting seat 131 is provided with a yielding groove 1311 capable of yielding the first pushing portion 241, the unlocking block 141 is provided with a pushing surface 1411 capable of pushing the second pushing portion 341, the unlocking block 141 is provided with a yielding groove 1412 capable of yielding the first pushing portion 241, the third connecting seat 131 is provided with a first arc groove 1312 for the second pushing portion 341 to slide inside, the first right connecting seat 1122 is provided with a second arc groove 11221 capable of enabling the first pushing portion 241 to slide inside, the unlocking portion 130 comprises a first pushing boss 1301 and a second pushing boss 1301 which are respectively arranged on the third connecting seat 131 and can be inclined to the front of the first pushing surface 1301 when the supporting rod 13 rotates to the preset position. The first pushing portion 241 is a protruding post, so that it is convenient to be pushed by the pushing protrusion 1301 and the first inclined sliding surface 1302. The second pushing portion 341 is a protruding post, so that it is convenient to be pushed by the pushing surface 1411 on the unlocking block 141. The abdication groove 1311 on the stay bar 13 is used for abdicating the first pushing portion 241, so as to avoid the clamping of the baby carrier when the baby carrier is folded. When the pushing surface 1411 on the unlocking block 141 contacts with the second pushing portion 341 on the second pushing member 34 and pushes the second pushing portion 341, the first pushing portion 241 is located in the yielding groove 1412 and is not pushed by the pushing surface 1411, when the unlocking block 141 slides, the second pushing portion 341 is pushed to slide to unlock the second locking assembly 3 first, then the supporting rod 13 is rotated, the first inclined sliding surface 1302 on the supporting rod 13 contacts with the first pushing portion 241 first and gradually pushes the first pushing portion 241 to slide transversely until the distance of transverse-moving of the first pushing portion 241 reaches the maximum when the first pushing portion 241 is attached to the top surface of the pushing protrusion 1301, and the first spline 23 is ejected. At this time, the first pushing portion 241 and the second pushing portion 341 slide in the second arc-shaped slot 11221 and the first arc-shaped slot 1312 respectively, so that the first pushing member 24 and the second pushing portion 341 move.

As shown in fig. 12 to 13, the first right connecting seat 1122 is provided with a first protrusion 1123, the first pushing member 24 is provided with a first accommodating groove 242 capable of accommodating the first protrusion 1123, the first pushing member 24 is further provided with a first driving surface 243 capable of propping against the first protrusion 1123 to enable the first pushing member 24 to push the first spline 23 to slide laterally when rotating, the third connecting seat 131 is provided with a second protrusion 1313, the second pushing member 34 is provided with a second accommodating groove 342 capable of accommodating the second protrusion 1313, and the second pushing member 34 is further provided with a second driving surface 343 capable of propping against the second protrusion 1313 to enable the second pushing member 34 to push the second spline 33 to slide laterally when rotating. When the first pushing member 24 rotates, the first driving surface 243 on the first pushing member 24 gradually contacts the first protrusion 1123 on the first right connecting seat 1122, the first pushing member 24 is pushed to slide laterally, and the first spline 23 is pushed to disengage from the first locking groove 21 on the first right connecting seat 1122 when the first pushing member 24 slides laterally. When the second pushing member 34 rotates, the second driving surface 343 of the second pushing member 34 gradually contacts the second protrusion 1313 of the third connecting seat 131, the second pushing member 34 is pushed to slide laterally, and the second spline 33 is pushed to disengage from the fourth locking groove 32 of the third connecting seat 131 when the second pushing member 34 slides laterally.

As shown in fig. 12 to 13, the first left connecting seat 1121 is provided with a first guide block 11211, the second left connecting seat 1221 is provided with a first guide groove 12211 matched with the first guide block 11211, the first right connecting seat 1122 is provided with a second guide block 11222, and the second right connecting seat 1222 is provided with a second guide groove 12221 matched with the second guide block 11222. During the rotational folding of the front leg 11 and the rear leg 12, the first guide block 11211 is engaged with the first guide groove 12211, while the second guide block 11222 is engaged with the second guide groove 12221 for guiding the position where the front leg 11 and the rear leg 12 are unfolded and folded, so that the folding and unfolding are smoother.

As shown in fig. 20 to 23, the seat 6 is detachably connected to the seat connecting base 41. The seat 6 can be folded and can be detached from the seat connecting seat 41, so that the folded volume of the whole baby carrier is smaller, and the baby carrier is convenient to carry. The seat connecting seat 41 is also provided with a handle 411. When the child car is folded, the seat 6 is folded first, then the hand push rod 15 is pushed to slide relative to the supporting rod 13, at the moment, the hand push rod 15 pushes the unlocking piece 14 to unlock the second locking assembly 3, then the supporting rod 13 is rotated to close the rear leg 12, when the supporting rod 13 rotates to a preset position relative to the rear leg 12, the unlocking part 130 on the supporting rod 13 unlocks the first locking assembly 2, then the handle 411 is lifted upwards, the front leg 11 and the rear leg 12 are close to each other under the action of dead weight, and meanwhile, the connecting seat 41 and the seat 6 are close to the front leg 11 through the assistance of the driving assembly 5, so that the child car is folded automatically.

As shown in fig. 25 to 26, the first right connecting seat 1122 is provided with a positioning protrusion 11223 protruding inward and extending into the stay 13, and the stay 13 is provided with a supporting surface 1314 capable of supporting the positioning protrusion 11223 when the stroller is unfolded. The positioning protrusion 11223 and the abutment surface 1314 abut against each other when the stroller is unfolded, and the abutment surface 1314 cooperates with the positioning protrusion 11223 for positioning the stay 13 in the unfolded position.

Claims (10)

1. A child's vehicle, characterized by: including preceding leg (11) and around first axis (A) rotate rear leg (12) of being connected on preceding leg (11), rear leg (12) on rotate around second axis (B) and be connected with can relative its pivoted vaulting pole (13), rear leg (12) and preceding leg (11) between be equipped with first locking component (2) that can lock the two, preceding leg (11), rear leg (12) and vaulting pole (13) between be equipped with second locking component (3) that can lock the two, vaulting pole (13) on be connected with and can make unlatching piece (14) of second locking component (3) unblock when sliding relative it, vaulting pole (13) on still be connected with on can relative it after the unblock push unlatching piece (14) vaulting pole (13) on still be equipped with can make when vaulting pole (13) to the rotation of rear leg (12) to predetermineeing the position unlocking part (2), front end (11) of being connected with front end (121) of front wheel (12) have front end (121).

2. A child vehicle according to claim 1, wherein: the seat is characterized in that the front legs (11) are also connected with the seat assembly (4), and a driving assembly (5) which can enable the seat assembly (4) to be close to the front legs (11) when the front legs (11) are close to the rear legs (12) in a rotating way is arranged among the front legs (11), the seat assembly (4) and the rear legs (12).

3. A child vehicle according to claim 2, wherein: the seat assembly (4) include that the rear end is connected seat connecting seat (41) on preceding leg (11) around third axis (C) rotation, seat connecting seat (41) and drive assembly (5) between be equipped with can relative two pivoted gangbar (42), gangbar (42) upper end around fourth axis (D) rotation connect in seat connecting seat (41) front end, drive assembly (5) including locating gear portion (51) on rear leg (12), drive assembly (5) still include around fifth axis (E) rotation connect in preceding leg (11) and with gear portion (51) meshing drive gear (52), gangbar (42) lower extreme around sixth axis (F) rotation connect in drive gear (52), sixth axis (F) skew fifth axis (E) set up for when drive gear (52) rotate that seat connecting seat (41) can drive to draw close to preceding leg (11) rotation.

4. A child vehicle according to claim 1, wherein: and when the baby carrier is folded, the stay bar (13) can be unfolded in a rotating way to be used as a handle.

5. A child vehicle according to claim 1, wherein: the utility model provides a front leg (11) on fixed be equipped with first connecting seat (112), rear leg (12) on fixed be equipped with second connecting seat (122), vaulting pole (13) on fixed be equipped with third connecting seat (131), first connecting seat (112), second connecting seat (122) and third connecting seat (131) rotatable coupling each other and make front leg (11), rear leg (12) and vaulting pole (13) can rotate and expand or rotate folding.

6. A child's vehicle according to claim 5, wherein: the first connecting seat (112) including locating first left connecting seat (1121) and first right connecting seat (1122) of third connecting seat (131) left and right sides, second connecting seat (122) including locating second left connecting seat (1221) and second right connecting seat (1222) in first left connecting seat (1121) and first right connecting seat (1122) outside respectively, second left connecting seat (1221) and second right connecting seat (1222) between be connected with connecting axle (123) of wearing in proper order first left connecting seat (1121), third connecting seat (131) and first right connecting seat (1122), connecting axle (123) on and be located and be connected with installation sleeve (124) between third connecting seat (131) and first right connecting seat (1122).

7. A child car according to claim 6, wherein: the first locking component (2) locate between first right connecting seat (1122) and second right connecting seat (1222), first locking component (2) including establish first card locking groove (21) on first right connecting seat (1122) along the circumferencial direction, second right connecting seat (1222) on and be equipped with second card locking groove (22) along circumferencial direction with first right connecting seat (1122) opposite side, first right connecting seat (1122) and second right connecting seat (1222) between be equipped with can lateral shifting and can simultaneously with first card locking groove (21) and second card locking groove (22) block first spline (23), first spline (23) and first right connecting seat (1122) between be equipped with and can promote first spline (23) from first card locking groove (21) on first right connecting seat (1122) first pushing piece (24) that breaks away from when receiving unblock portion (130), first spline (23) and second right connecting seat (1222) between be equipped with first spline (25) that can reset.

8. A child vehicle according to claim 7, wherein: the second locking component (3) is arranged between the second left connecting seat (1221), the first left connecting seat (1121) and the third connecting seat (131), the second locking component (3) comprises a third clamping groove (31) which is arranged on the second left connecting seat (1221) along the circumferential direction, a fourth clamping groove (32) is arranged on one side opposite to the second left connecting seat (1221) along the circumferential direction, a second spline (33) which can transversely move and can be clamped with the third clamping groove (31) and the fourth clamping groove (32) is arranged between the second left connecting seat (1221) and the third connecting seat (131), a second piece (34) which can push the second spline (33) to be separated from the fourth clamping groove (32) on the third connecting seat (131) when being pushed by the unlocking piece (14) is arranged between the second spline (33) and the third connecting seat (131), a convex spline (33) which can be clamped with the second spline (33) on the second left connecting seat (331) is arranged on the second left connecting seat (1221) is arranged, a convex spline (33) which can be clamped with the second spline (33) on the second connecting seat (331) is arranged on the left connecting seat (1), the second left connecting seat (1221) is provided with a second groove (37) which can be used for the clamping and locking part (331) to be clamped in and can be used for the clamping and locking part (331) to completely enter when the second spline (33) slides.

9. A child vehicle according to claim 8, wherein: the unlocking piece (14) comprises an unlocking piece (141) which is connected in the supporting rod (13) in a sliding mode, a pushing piece (151) which can push the unlocking piece (141) to slide is arranged on the hand push rod (15), and an elastic element (142) which can push the unlocking piece (141) to reset is arranged between the unlocking piece (141) and the supporting rod (13).

10. A child vehicle according to claim 9, wherein: the first pushing part (24) is provided with a first pushing part (241) which can extend into the third connecting seat (131) and can be pushed by the unlocking part (130) to slide the first spline (23) when the stay bar (13) rotates to a preset position, the second pushing piece (34) is provided with a second pushing part (341) which can extend into the third connecting seat (131), the third connecting seat (131) is provided with a yielding groove (1311) which can yield for the first pushing part (241), the unlocking block (141) is provided with a pushing surface (1411) which can push the second pushing part (341), the unlocking block (141) is provided with a yielding groove (1412) which can yield for the first pushing part (241), the third connecting seat (131) is provided with a first arc-shaped groove (1312) for the second pushing part (341) to slide in, the first right connecting seat (1122) is provided with a second arc-shaped groove (11221) which can be used for the first pushing part (241) to slide inside, the unlocking part (130) comprises a pushing protrusion (1301) which is arranged on the third connecting seat (131) and can push the first pushing part (241) when the stay bar (13) rotates to a preset position, the front end and the rear end of the pushing bulge (1301) are respectively provided with a first inclined sliding surface (1302) and a second inclined sliding surface (1303); the first right connecting seat (1122) on be equipped with first arch (1123), first top piece (24) on be equipped with first holding tank (242) that can hold first arch (1123), first top piece (24) on still be equipped with can push up first drive face (243) that makes first top piece (24) top first spline (23) transversely slide with first arch (1123) each other when it rotates, third connecting seat (131) on be equipped with second arch (1313), second top piece (34) on be equipped with second holding tank (342) that can hold second arch (1313), second top piece (34) on still be equipped with can push up second drive face (343) that makes second top piece (34) second spline (33) transversely slide with second arch (1313) each other when it rotates.