CN213008317U - Baby carriage - Google Patents

Abstract

The utility model discloses a baby carriage can remove to folding position, its characterized in that from the expansion position after locking device unblock: the method comprises the following steps: the lower ends of the front legs are connected with front wheel assemblies capable of rotating relative to the front legs; the upper ends of the rear legs are connected to the front legs in a sliding manner, and the lower ends of the rear legs are also connected with rear wheel assemblies; the front end of the connecting rod is rotatably connected with the front legs, and the rear end of the connecting rod is rotatably connected with the rear legs; the lower end of the hand push rod is rotatably connected with the upper ends of the front legs. The utility model discloses only need promote to press the handspike and just can accomplish folding up of whole perambulator, operate simple and convenient swift very, whole perambulator simple structure moreover, low cost is folding back small, very portable.

Description

Baby carriage

[ technical field ] A method for producing a semiconductor device

The utility model relates to a baby carriage.

[ background of the invention ]

At present, the baby carriage becomes an indispensable article for the growth process of children. The baby carriage on the market can be folded or unfolded generally, but the structure of the existing baby carriage is complex, so that the baby carriage is heavy, large in size after being folded and inconvenient to carry.

Therefore, the present invention is based on the above disadvantages.

[ Utility model ] content

The utility model aims at overcoming the defects of the prior art and providing a baby carriage which is simple, convenient and foldable and has small volume after being folded.

The utility model discloses a realize through following technical scheme:

a stroller movable from an unfolded position to a folded position after a locking device is unlocked, characterized in that: the method comprises the following steps: the lower end of the front leg 11 is connected with a front wheel assembly 111 which can rotate relative to the front leg 11; the upper ends of the rear legs 12 are slidably connected to the front legs 11, and the lower ends of the rear legs 12 are also connected with rear wheel assemblies 121; the front end of the connecting rod 13 is rotatably connected with the front leg 11, and the rear end of the connecting rod 13 is rotatably connected with the rear leg 12; and the lower end of the hand push rod 14 is rotatably connected with the upper end of the front leg 11.

The stroller as described above, characterized in that: the locking device comprises a first locking mechanism arranged between the hand push rod 14 and the front leg 11 and a second locking mechanism arranged between the front leg 11 and the rear leg 12 and linked with the first locking mechanism, and when the first locking mechanism is unlocked, the first locking mechanism drives the second locking mechanism to unlock.

The stroller as described above, characterized in that: still be equipped with seat pocket 4 on the perambulator, seat pocket 4 can dismantle with the left articulated shell 22 of establishing on preceding leg 11 or handspike 14 and be connected, seat pocket 4 with it will still to be equipped with between the articulated shell 22 of a left side seat pocket 4 with the fixed kayser device of articulated shell 22 joint of a left side.

The stroller as described above, characterized in that: the locking device comprises a locking plate 222 arranged on the left hinge shell 22, a connecting piece 41 is arranged on the seat pocket 4, a locking groove 411 clamped with the locking plate 222 is arranged in the connecting piece 41, a locking groove 223 is also arranged on the left hinge shell 22, a locking tongue 412 which can extend out or retract relative to the connecting piece 41 and can be inserted into or separated from the locking groove 223 so as to enable the connecting piece 41 and the left hinge shell 22 to be fixed or unlocked in a clamping way is arranged on the connecting piece 41, and a key 413 which can press the locking tongue 412 so as to enable the locking tongue 412 to be separated from the locking groove 223 is also arranged on the peripheral side of the connecting piece 41;

the locking tongue 412 is further provided with a clamping groove 4121 through which the key 413 can penetrate, the clamping groove 4121 is internally provided with a first pressing inclined surface 41211, the key 413 is provided with a second pressing inclined surface 4131 which is pressed against the first pressing inclined surface 41211 after being pressed to separate the locking tongue 412 from the locking groove 223, and a third return spring 44 which can return the locking tongue 412 is further arranged between the locking tongue 412 and the connecting piece 41.

The stroller as described above, characterized in that: the stroller is further provided with a seat pocket 4, the seat pocket 4 comprises a surrounding frame 40 and a connecting piece 41 capable of rotating relative to the surrounding frame 40, the connecting piece 41 is connected with the front leg 11 or the hand push rod 14, a third locking mechanism capable of locking the connecting piece 41 and the surrounding frame 40 mutually is arranged between the connecting piece 41 and the surrounding frame 40, the surrounding frame 40 comprises a front rod 42 and a rear rod 43, the third locking mechanism comprises a right shell 51 arranged on the front rod 42 and rotatably connected with the connecting piece 41, an accommodating cavity 52 is enclosed between the right shell 51 and the connecting piece 41, a positioning spline 53 is arranged in the accommodating cavity 52, positioning spline grooves 54 are arranged on the inner walls of the right shell 51 and the connecting piece 41, a jacking block 55 capable of pushing the positioning spline 53 to transversely slide to be separated from the positioning spline groove 54 on the connecting piece 41 is arranged between the positioning spline 53 and the connecting piece 41, and a jacking block 53 capable of jacking the positioning spline 53 to enable the positioning spline 53 to be jacked and positioned when the stroller is in an unfolded state is arranged between the The spline 53, the right shell 51 and the positioning spline groove 54 on the connecting piece 41 are simultaneously clamped by a fourth return spring 56, the connecting piece 41 is provided with a pressing top pressing block 55, so that the top pressing block 55 presses the positioning spline 53 to be separated from a pressing unlocking key 57 of the connecting piece 41, and a fifth return spring 58 capable of enabling the pressing unlocking key 57 to return is further arranged between the pressing unlocking key 57 and the connecting piece 41.

The stroller as described above, characterized in that: the pressing block 55 is provided with a third pressing inclined surface 551, and the pressing unlocking key 57 is provided with a fourth pressing inclined surface 571 which is mutually pressed against the third pressing inclined surface 551 and can enable the positioning spline 53 to transversely slide and be separated from the positioning spline groove 54 on the connecting piece 41.

The stroller as described above, characterized in that: the baby carriage is further provided with a seat bag 4, the seat bag 4 comprises a front rod 42 and a rear rod 43 rotatably connected with the front rod 42, a connecting piece 41 connected with the front leg 11 is arranged on the front rod 42 or the rear rod 43, and a fourth locking mechanism capable of locking the front rod 42 and the rear rod 43 is arranged between the front rod 42 and the rear rod 43.

The stroller as described above, characterized in that: the fourth locking mechanism comprises a left shell 61 arranged on the rear rod 43, and a right shell 51 arranged on the front rod 42 and rotationally connected with the left shell 61, a cavity 62 is enclosed between the left shell 61 and the right shell 51, a slide block 63 which can slide relative to the cavity 62 is arranged in the cavity 62, the right housing 51 is provided with a locking protrusion 511, the slider 63 is provided with a locking groove 631 which can be locked with or separated from the locking protrusion 511 when the slider 63 moves, the slider 63 is further provided with a third cable 64 which can make the engaging groove 631 disengage from the engaging protrusion 511 when the slider 63 is pulled to move, a sixth return spring 65 is disposed between the left housing 61 and the slider 63 and is capable of pressing the slider 63 when the seat bag 4 is in the unfolded state to engage the engaging groove 631 with the engaging protrusion 511, and the rear lever 43 is further provided with an operation key 66 for pulling the third cable 64 after operation.

The stroller as described above, characterized in that: still rotate on the seat pocket 4 and be connected with handle frame 7, handle frame 7 lower extreme is equipped with connecting shell 8, be equipped with on the back pole 43 with connecting shell 8 rotate the left casing 61 of being connected, be equipped with location arch 84 in the connecting shell 8, be equipped with in the left side casing 61 and supply including location arch 84 to slide and make handle frame 7 draw close to the arc wall 612 to the front rod 42, still be equipped with first dog 611 on the week side of left side casing 61, still be equipped with on the connecting shell 8 and prevent handle frame 7 back pole 43 pivoted second dog 85 at seat pocket expansion state and first dog 611 cooperation.

The stroller as described above, characterized in that: the arc-shaped groove 612 comprises a first rib 6121 for positioning a folding position and a second rib 6122 for positioning an unfolding position, when the rear rod rotates and folds relative to the front rod, the first rib 6121 touches the positioning protrusion 84 and pushes the positioning protrusion 84 to enable the handle frame 7 to rotate and approach to the front rod 42, when the rear rod 43 rotates and unfolds relative to the front rod 42, the second rib 6122 touches the positioning protrusion 84 and pushes the positioning protrusion 84 to enable the handle frame 7 to rotate and unfold relative to the front rod 42, and when the seat is unfolded, the first stop 611 and the second stop 85 abut against each other to enable the handle frame 7 to unfold and fix relative to the seat pocket 4.

Compared with the prior art, the utility model discloses there is following advantage: the utility model discloses when folding, at first with the locking device unblock, then promote the handspike and rotate to draw close and folding towards the front leg, when the handspike draws close towards the front leg, the front leg moves down and makes the relative front leg in back leg upper end slide and draw close towards the front wheel subassembly, the connecting rod front end follows the front leg when the front leg rotates downwards and rotates and fold up, until the handspike, when front leg and back leg push up each other and lean on, the perambulator is folded up and is accomplished, only need promote to press and fold up of whole perambulator just can be accomplished to the handspike, operate simple and convenient swift very, and whole perambulator simple structure, therefore, the carrier is low in cost, after folding small, and very portable.

[ description of the drawings ]

Fig. 1 is one of perspective views 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 one of exploded views of the stroller of the present invention;

FIG. 5 is an enlarged view of area A of FIG. 4;

fig. 6 is a second exploded view of the stroller of the present invention;

FIG. 7 is an enlarged view of area B of FIG. 6;

fig. 8 is a third exploded view of the stroller of the present invention;

FIG. 9 is an enlarged view of area C of FIG. 8;

fig. 10 is a right side sectional view of the stroller of the present invention;

FIG. 11 is an enlarged view of area D of FIG. 10;

fig. 12 is a fourth exploded view of the stroller of the present invention;

fig. 13 is a cross-sectional view of the connector and left hinge housing of the stroller of the present invention;

FIG. 14 is an enlarged view of area E of FIG. 13;

FIG. 15 is a perspective view of the seat pocket of the stroller of the present invention rotated relative to the front legs;

FIG. 16 is an exploded view of a seat pocket in the stroller of the present invention;

FIG. 17 is an enlarged view of area F of FIG. 16;

fig. 18 is a second exploded view of the seat pocket of the stroller of the present invention;

FIG. 19 is an enlarged view of region G of FIG. 18;

FIG. 20 is a third exploded view of the seat pocket of the stroller of the present invention;

FIG. 21 is an enlarged view of region H of FIG. 20;

FIG. 22 is a fourth exploded view of the seat pocket of the stroller of the present invention;

FIG. 23 is an enlarged view of area I of FIG. 22;

fig. 24 is one of the side views of the stroller of the present invention during folding;

fig. 25 is a second side view of the stroller of the present invention during folding;

fig. 26 is a third side view of the stroller of the present invention during folding;

fig. 27 is a fourth side view of the stroller of the present invention during folding;

fig. 28 is a fifth side view of the stroller of the present invention during folding;

fig. 29 is a sixth side view of the stroller of the present invention in the folding process.

[ detailed description ] embodiments

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

as shown in fig. 1 to 29, the present invention provides a stroller which can be moved from an unfolded position to a folded position after a locking device is unlocked, including:

the lower ends of the front legs 11 are connected with front wheel assemblies 111 capable of rotating relative to the front legs 11;

the upper ends of the rear legs 12 are slidably connected to the front legs 11, and the lower ends of the rear legs 12 are also connected with rear wheel assemblies 121;

the front end of the connecting rod 13 is rotatably connected with the front leg 11, and the rear end of the connecting rod 13 is rotatably connected with the rear leg 12;

and the lower end of the hand push rod 14 is rotatably connected with the upper end of the front leg 11.

When the baby carriage is folded, the locking device is unlocked firstly, then the hand push rod 14 is pushed to rotate towards the front leg 11 to be close and folded, when the hand push rod 14 is close towards the front leg 11, the front leg 11 moves downwards to enable the upper end of the rear leg 12 to slide relative to the front leg 11 and close towards the front wheel component 111, the front end of the connecting rod 13 rotates along with the front leg 11 to be folded when the front leg 11 rotates downwards, until the hand push rod 14 and the front leg 11 and the rear leg 12 mutually abut against each other, the folding of the baby carriage is completed, the folding of the whole baby carriage can be completed only by pushing the hand push rod 14, the operation is very simple, convenient and quick, the whole baby carriage is simple in structure, low cost, small in size after being folded and very convenient to carry.

As shown in fig. 4 to 9, the locking device includes a first locking mechanism disposed between the handle bar 14 and the front leg 11 and a second locking mechanism disposed between the front leg 11 and the rear leg 12 and linked with the first locking mechanism, and when the first locking mechanism is unlocked, the first locking mechanism drives the second locking mechanism to unlock. The first locking mechanism and the second locking mechanism are linked, so that unlocking is more convenient and faster.

As shown in fig. 4 to 7, the first locking mechanism includes a right hinge housing 21 disposed at a lower end of the handle 14 and a left hinge housing 22 disposed on the front leg 11 and rotatably connected to the right hinge housing 21, the left hinge housing 22 and the right hinge housing 21 define an accommodating cavity 23, spline grooves 24 are respectively disposed on inner walls of the left hinge housing 22 and the right hinge housing 21, a spline 25 is disposed in the accommodating cavity 23, a pressing member 26 capable of pushing the spline 25 to slide transversely and disengage from the spline groove 24 on the right hinge housing 21 is disposed between the spline 25 and the right hinge housing 21, a first pressing spring 27 capable of pressing the spline 25 when the stroller is in an unfolded state to simultaneously engage the spline 25 with the spline grooves 24 on the left hinge housing 22 and the right hinge housing 21 is disposed between the spline 25 and the left hinge housing 22, and a first pressing cable 28 for pulling the hinge member 26 to disengage the spline 25 from the right hinge housing 21, the push rod 14 is provided with an unlock key 141 which can pull the first cable 28 to move and push the push piece 26 against the spline 25.

As shown in fig. 4 to 7, a pressing protrusion 211 is disposed on the right hinge housing 21, a first inclined surface 2111 is disposed on the pressing protrusion 211, a groove 261 capable of accommodating the pressing protrusion 211 is disposed on the pressing member 26, and a second inclined surface 2611 is disposed on the groove 261, which pushes the pressing member 26 to move laterally to press the spline 25 when abutting against the first inclined surface 2111, so that the spline 25 is disengaged from the spline groove 24 on the right hinge housing 21.

As shown in fig. 24 to 29, when the stroller needs to be folded, the first locking mechanism needs to be unlocked, the unlocking key 141 is pressed, the unlocking key 141 pulls the first cable 28, the first cable 28 pulls the pressing member 26, the pressing member 26 rotates relative to the right hinged shell 21, during the rotation of the pressing member 26, the second inclined surface 2611 in the groove 261 of the pressing member 26 and the first inclined surface 2111 abut against each other to make the pressing member 26 move transversely, the pressing member 26 presses the spline 25 to move transversely and make the spline 25 separate from the spline groove 24 on the right hinged shell 21 to make the first locking mechanism unlocked, and at this time, the push rod 14 is pushed to approach the front leg 11.

As shown in fig. 8 to 9, the second locking mechanism includes a sliding seat 31 having one end disposed at the upper end of the rear leg 12 and the other end sleeved on the front leg 11 and capable of sliding relative to the front leg 11, and a locking seat 32 disposed in the front leg 11, a longitudinal sliding block 33 capable of sliding up and down relative to the locking seat 32 is disposed in the locking seat 32, an inclined strip-shaped hole 331 is disposed on the longitudinal sliding block 33, a latch 34 transversely penetrates through the locking seat 32 and the longitudinal sliding block 33, a fixing pin 35 inserted into the inclined strip-shaped hole 331 and capable of sliding transversely with the latch 34 by matching with a hole wall of the inclined strip-shaped hole 331 when the longitudinal sliding block 33 slides, a locking hole 311 capable of engaging with the latch 34 is disposed in the sliding seat 31, a second cable 36 connected to the left hinge housing 22 and capable of separating the latch 34 from the sliding seat 31 when the longitudinal sliding block 33 is pulled to move upwards is disposed on the longitudinal sliding block 33, a second return spring 37 capable of keeping the bayonet lock 34 in the locking hole 311 when the stroller is in the unfolded state is further disposed between the front leg 11 and the longitudinal sliding block 33, a linkage member 38 connected to the second cable 36 is further disposed in the left hinge shell 22, a sliding groove 221 for sliding the linkage member 38 is further disposed in the left hinge shell 22, and a top block 212 capable of pushing the linkage member 38 to slide and pulling the second cable 36 during the rotation process is disposed in the right hinge shell 21.

As shown in fig. 24 to 29, when the stroller needs to be folded, the second locking mechanism needs to be unlocked, the second cable 36 is pulled, the second cable 36 pulls the longitudinal sliding block 33 to slide upwards in the locking seat 32, the hole wall of the inclined strip-shaped hole 331 on the longitudinal sliding block 33 pushes the fixed pin 35, so that the bayonet pin 34 is pushed to slide transversely to disengage the bayonet pin 34 from the locking hole 311 in the sliding seat 31, so as to unlock the rear leg 12 and the front leg 11, and the pulling end of the second cable 36 is arranged in the link 38 of the left hinge shell 22, so that when the right hinge shell 21 rotates relative to the left hinge shell 22, the top block 212 in the right hinge shell 21 touches and pushes the link 38 to slide in the sliding groove 221 to pull the second cable 36 to unlock the second locking mechanism, so that the rear leg 12 and the front leg 11 can be folded.

As shown in fig. 1 to 23, the stroller is further provided with a seat bag 4, the seat bag 4 is detachably connected to a left hinge shell 22 provided on the front leg 11 or the push rod 14, and a locking device for locking and fixing the seat bag 4 and the left hinge shell 22 is further provided between the seat bag 4 and the left hinge shell 22. The seat bag 4 is fixedly connected with the left hinged shell 22 in a clamped mode, so that the seat bag 4 can be detached from the front leg 11 or the hand push rod 14, the structure is simple, and the installation is convenient.

As shown in fig. 12, the locking device includes a locking plate 222 disposed on the left hinge shell 22, a connector 41 is disposed on the seat pocket 4, a locking groove 411 engaged with the locking plate 222 is disposed in the connector 41, a locking groove 223 is further disposed on the left hinge shell 22, a locking tongue 412 capable of extending or retracting relative to the connector 41 and being inserted into or disengaged from the locking groove 223 to fix or unlock the connector 41 in the locked state with the left hinge shell 22 is disposed on the connector 41, and a button 413 capable of pressing the locking tongue 412 to disengage the locking groove 223 is further disposed on the peripheral side of the connector 41;

as shown in fig. 13 to 14, a locking groove 4121 through which the key 413 can pass is further disposed on the latch 412, a first pressing inclined surface 41211 is disposed in the locking groove 4121, a second pressing inclined surface 4131 which presses against the first pressing inclined surface 41211 after being pressed to separate the latch 412 from the latch groove 223 is disposed on the key 413, and a third return spring 44 which can return the latch 412 is further disposed between the latch 412 and the connecting member 41.

When the seat pocket 4 needs to be detached from the front leg 11, the key 413 is pressed upwards, the second pressing inclined surface 4131 moves upwards to press the first pressing inclined surface 41211 in the process that the key 413 moves upwards, the key 413 presses the clamping tongue 412 to retract into the connecting piece 41, so that the clamping tongue 412 is separated from the clamping groove 223, and at the moment, the seat pocket 4 moves upwards to detach the seat pocket 4 from the front leg 11; when the seat pocket 4 needs to be installed on the front leg 11, the latch slot 411 of the connecting member 41 is aligned with the latch plate 222 of the left hinge shell 22, then the connecting member 41 is pressed, when the connecting member 41 moves downwards relative to the left hinge shell 22, the latch tongue 412 abuts against the left hinge shell 22 until the latch tongue 412 is aligned with the latch slot 223, the third return spring 44 pushes the latch tongue 412 to extend out of the connecting member 41 and latch into the latch slot 223, so that the seat pocket 4 is fixed with the front leg 11 in a latch manner, and at this time, the seat pocket 4 cannot be removed from the front leg 11. Of course, the left hinge housing 22 can also be provided on the handle 14.

As shown in fig. 1 to 23, the stroller is further provided with a seat bag 4, the seat bag 4 includes a surrounding frame 40 and a connecting member 41 capable of rotating relative to the surrounding frame 40, the connecting member 41 is connected to the front leg 11 or the push rod 14, a third locking mechanism capable of locking the connecting member 41 and the surrounding frame 40 with each other is provided between the connecting member 41 and the surrounding frame 40, the surrounding frame 40 includes a front rod 42 and a rear rod 43, the third locking mechanism includes a right housing 51 provided on the rear rod 43 and rotatably connected to the connecting member 41, an accommodating cavity 52 is defined between the right housing 51 and the connecting member 41, a positioning spline 53 is provided in the accommodating cavity 52, positioning spline grooves 54 are provided on inner walls of the right housing 51 and the connecting member 41, a pressing block 55 capable of pushing the positioning spline 53 to slide transversely to be disengaged from the positioning spline groove 54 on the connecting member 41 is provided between the positioning spline 53 and the connecting member 41, a fourth return spring 56 is arranged between the positioning spline 53 and the right housing 51, and can press the positioning spline 53 when the stroller is in an unfolded state, so that the positioning spline 53 is engaged with the positioning spline grooves 54 on the right housing 51 and the connecting member 41 at the same time, a pressing unlocking key 57 is arranged on the connecting member 41, which presses the pressing block 55, so that the pressing block 55 presses the positioning spline 53 to separate from the connecting member 41, and a fifth return spring 58 is arranged between the pressing unlocking key 57 and the connecting member 41, so that the pressing unlocking key 57 can be reset.

As shown in fig. 16 to 17, the pressing block 55 is provided with a third pressing slope 551, and the press unlocking key 57 is provided with a fourth pressing slope 571 which presses against the third pressing slope 551 and enables the positioning spline 53 to slide transversely to be disengaged from the positioning spline groove 54 on the connecting member 41.

When the seat bag 4 needs to rotate relative to the front leg 11 for adjusting the angle, firstly, the unlocking key 57 is pressed downwards, the fourth jacking inclined surface 571 on the unlocking key 57 is pressed downwards to abut against the third jacking inclined surface 551, so that the unlocking key 57 pushes the jacking pressing block 55 to transversely slide, the jacking pressing block 55 pushes the positioning spline 53 to transversely slide and separate from the positioning spline groove 54 on the connecting piece 41 when sliding, so that the third locking mechanism can be unlocked, then the enclosure 40 is pulled, so that the seat bag 4 rotates relative to the front leg 11, when rotating to the set position, the unlocking key 57 is released, at the moment, the fourth return spring 56 in the right shell 51 pushes the positioning spline 53 and the jacking pressing block 55 to transversely move and reset, the jacking pressing block 55 and the fifth return spring 58 push the unlocking key 57 to longitudinally move and reset, when the positioning spline 533 is simultaneously engaged with the positioning spline groove 54 on the right shell 51 and the connecting piece 41, the third locking mechanism is unlocked and in the locked state, the seat pocket 4 cannot rotate with respect to the front leg 11. Of course, the left hinge housing 22 can also be provided on the handle 14.

As shown in fig. 18 to 19, the stroller is further provided with a seat pocket 4, the seat pocket 4 includes a front rod 42 and a rear rod 43 rotatably connected to the front rod 42, the front rod 42 or the rear rod 43 is provided with a connecting member 41 connected to the front leg 11, and a fourth locking mechanism is provided between the front rod 42 and the rear rod 43 for locking the two.

As shown in fig. 18 to 19, the fourth locking mechanism includes a left housing 61 provided on the rear lever 43, and a right housing 51 provided on the front bar 42 and rotatably connected to the left housing 61, a cavity 62 is enclosed between the left shell 61 and the right shell 51, a slide block 63 which can slide relative to the cavity 62 is arranged in the cavity 62, the right housing 51 is provided with a locking protrusion 511, the slider 63 is provided with a locking groove 631 which can be locked with or separated from the locking protrusion 511 when the slider 63 moves, the slider 63 is further provided with a third cable 64 which can make the engaging groove 631 disengage from the engaging protrusion 511 when the slider 63 is pulled to move, a sixth return spring 65 is disposed between the left housing 61 and the slider 63 and is capable of pressing the slider 63 when the seat bag 4 is in the unfolded state to engage the engaging groove 631 with the engaging protrusion 511, and the rear lever 43 is further provided with an operation key 66 for pulling the third cable 64 after operation.

When the stroller needs to be folded, the seat pocket 4 needs to be folded synchronously, when the seat pocket 4 is folded, the fourth locking mechanism needs to be unlocked, when the fourth locking mechanism is unlocked, the operation key 66 operates, the operation key 66 pulls the third cable 64 to move, the third cable 64 pulls the slider 63 to move, the clamping groove 631 is separated from the clamping protrusion 511, and at the moment, the rear rod 43 can be pushed to rotate and approach relative to the front rod 42, so that the seat pocket 4 is folded. Of course, the connecting element 41 can also be provided on the handle 14.

As shown in fig. 20 to 23, the seat pocket 4 is further rotatably connected with a handle frame 7, the lower end of the handle frame 7 is provided with a connecting shell 8, the rear rod 43 is provided with a left shell 61 rotatably connected with the connecting shell 8, the connecting shell 8 is provided with a positioning protrusion 84 therein, the left shell 61 is provided with an arc-shaped groove 612 capable of allowing the positioning protrusion 84 to slide therein to enable the handle frame 7 to be drawn close to the front rod 42, the peripheral side of the left shell 61 is further provided with a first stopper 611, and the connecting shell 8 is further provided with a second stopper 85 which is matched with the first stopper 611 in a seat pocket unfolding state to prevent the handle frame 7 from rotating towards the rear rod 43.

As shown in fig. 20 to 23, the arc-shaped slot 612 includes a first rib 6121 for positioning a folding position and a second rib 6122 for positioning an unfolding position, when the rear rod rotates and folds relative to the front rod, the first rib 6121 touches the positioning protrusion 84 and pushes the positioning protrusion 84 to make the handle frame 7 rotate and approach the front rod 42, when the rear rod 43 rotates and unfolds relative to the front rod 42, the second rib 6122 touches the positioning protrusion 84 and pushes the positioning protrusion 84 to make the handle frame 7 rotate and unfold relative to the front rod 42, and in the pocket unfolding position, the first stopper 611 and the second stopper 85 abut against each other to make the handle frame 7 unfold and fix relative to the seat pocket 4.

When the handle frame 7 is arranged on the seat pocket 4, the seat pocket 4 is convenient to carry, when the baby carriage needs to be folded, the seat pocket 4 and the handle frame 7 need to be folded, and in the process that the rear rod 43 rotates and approaches relative to the front rod 42, the first blocking edge 6121 in the arc-shaped groove 612 touches the positioning bulge 84 and pushes the positioning bulge 84 to enable the handle frame 7 to rotate and approach the front rod 42, and the whole seat pocket 4 can be folded only by rotating the rear rod 43;

when the seat pocket 4 needs to be unfolded, the rear rod 43 is pushed to rotate backwards relative to the front rod 42, the second stop edge 6122 touches the positioning protrusion 84 and pushes the positioning protrusion 84 to enable the handle frame 7 to rotate and unfold relative to the front rod 42 in the rotating and unfolding process of the rear rod 43 relative to the front rod 42, and in the unfolded seat pocket position, the first stop 611 and the second stop 85 abut against each other to enable the handle frame 7 to be unfolded and fixed relative to the seat pocket 4. The rear bar 43 can be pushed to fold only by unlocking the button. As shown in fig. 15, when the seat pocket 4 is rotated with respect to the front legs 11 and the carrier 7 is disposed toward the front, the carrier 7 can also be used as a front armrest of the stroller, and a baby can hold the carrier 7 while sitting in the seat pocket 4, thereby making it safer for the baby to sit.

As shown in fig. 20 to 23, a seat pocket 4 is further provided on the stroller, a handle frame 7 is further detachably connected to the seat pocket 4, and a fifth locking mechanism is further provided between the handle frame 7 and the seat pocket 4.

As shown in fig. 20 to 23, the fifth locking mechanism includes a left housing 61 disposed on the seat pocket 4 and a connecting housing 8 connected to the left housing 61, a cavity 81 is disposed between the left housing 61 and the connecting housing 8, a clamping block 71 inserted into the cavity 81 is connected to the handle frame 7, an unlocking button 82 capable of moving left and right relative to the connecting housing 8 is disposed on the connecting housing 8, a clamping portion 821 clamped or separated from the clamping block 71 when the unlocking button 82 moves left and right is disposed on the unlocking button 82, and a seventh restoring spring 83 capable of restoring the unlocking button 82 is further disposed between the unlocking button 82 and the connecting housing 8; the engaging block 71 is provided with an engaging groove 711 adapted to the engaging portion 821.

The handle frame 7 can be detached from the connecting shell 8, when the handle frame needs to be detached, the unlocking button 82 is pressed, the unlocking button 82 moves rightwards to enable the clamping part 821 to be separated from the clamping groove 711 in the clamping block 71, and the handle frame 7 can be pulled out of the cavity 81 by pulling the clamping block 71 upwards;

when the handle frame 7 needs to be installed on the connecting shell 8, the clamping block 71 is inserted into the cavity 81, the handle frame 7 is pressed downwards, the clamping block 71 presses the unlocking button 82 to move, and when the clamping portion 821 is aligned with the clamping groove 711, the seventh return spring 83 pushes the unlocking button 82 to move in the direction opposite to the previous direction, so that the clamping portion 821 is clamped with the clamping groove 711, and the handle frame 7 is fixed in the connecting shell 8.

In this embodiment, when the stroller is folded, the rear rod 43 is rotated with respect to the front rod 42 to fold the seat pocket 4, and then the first locking mechanism and the second locking mechanism are unlocked to fold the entire stroller. In this embodiment, the stroller has the seat pocket as described above, but a flexible seat cover may be directly attached to the front leg without providing the seat pocket having the above structure.

Claims (10)

1. A stroller movable from an unfolded position to a folded position after a locking device is unlocked, characterized in that: the method comprises the following steps:

the lower ends of the front legs (11) are connected with front wheel assemblies (111) which can rotate relative to the front legs (11);

the upper ends of the rear legs (12) are slidably connected to the front legs (11), and the lower ends of the rear legs (12) are also connected with rear wheel assemblies (121);

the front end of the connecting rod (13) is rotatably connected with the front leg (11), and the rear end of the connecting rod (13) is rotatably connected with the rear leg (12);

the lower end of the hand push rod (14) is rotatably connected with the upper ends of the front legs (11).

2. The stroller of claim 1, wherein: the locking device comprises a first locking mechanism arranged between the hand push rod (14) and the front leg (11) and a second locking mechanism arranged between the front leg (11) and the rear leg (12) and linked with the first locking mechanism, and when the first locking mechanism is unlocked, the first locking mechanism drives the second locking mechanism to unlock.

3. The stroller of claim 1, wherein: still be equipped with seat pocket (4) on the perambulator, seat pocket (4) can be dismantled with left hinge shell (22) of establishing on preceding leg (11) or handspike (14) and be connected, seat pocket (4) with still be equipped with between left hinge shell (22) with seat pocket (4) with the fixed kayser device of left hinge shell (22) joint.

4. The stroller of claim 3, wherein: the locking device comprises a clamping plate (222) arranged on the left hinged shell (22), a connecting piece (41) is arranged on the seat pocket (4), a clamping groove (411) clamped with the clamping plate (222) is formed in the connecting piece (41), a clamping locking groove (223) is further formed in the left hinged shell (22), a clamping tongue (412) capable of extending out or retracting relative to the connecting piece (41) and being inserted into or separated from the clamping locking groove (223) so that the connecting piece (41) and the left hinged shell (22) can be clamped and fixed or unlocked is further arranged on the connecting piece (41), and a key (413) capable of pressing the clamping tongue (412) to enable the clamping tongue (412) to be separated from the clamping locking groove (223) is further arranged on the peripheral side of the connecting piece (41);

the locking device is characterized in that a clamping groove (4121) through which a key (413) can penetrate is further formed in the clamping tongue (412), a first jacking inclined surface (41211) is arranged in the clamping groove (4121), a second jacking inclined surface (4131) which is pressed against the first jacking inclined surface (41211) after the key (413) is pressed to enable the clamping tongue (412) to be separated from the locking groove (223) is arranged on the key, and a third reset spring (44) which can enable the clamping tongue (412) to reset is further arranged between the clamping tongue (412) and the connecting piece (41).

5. The stroller of claim 1, wherein: still be equipped with seat pocket (4) on the perambulator, seat pocket (4) including enclose frame (40) and can with enclose frame (40) relative pivoted connecting piece (41), connecting piece (41) be connected with preceding leg (11) or handspike (14), be equipped with between connecting piece (41) and the enclosing frame (40) and enable the third locking mechanical system of the two mutual locking, enclose frame (40) including preceding pole (42) and back pole (43), third locking mechanical system including locate preceding pole (42) on and with connecting piece (41) rotate the right casing (51) of being connected, enclose between right casing (51) and connecting piece (41) and become to accept chamber (52), be equipped with location spline (53) in accepting chamber (52), be equipped with on the inner wall of right casing (51) and connecting piece (41) location spline groove (54), be equipped with between location spline (53) and connecting piece (41) and can push away location spline (53) and transversely slide and with connecting piece (41) A pressing block (55) which can press the positioning spline (53) to enable the positioning spline (53), the positioning spline groove (54) on the right shell (51) and the connecting piece (41) to be simultaneously clamped is arranged between the positioning spline (53) and the right shell (51), a fourth reset spring (56) which can press the positioning spline (53) to enable the positioning spline (53), the right shell (51) and the connecting piece (41) to be simultaneously clamped is arranged on the baby carriage in an unfolded state, a pressing unlocking key (57) which presses the pressing block (55) to enable the pressing block (55) to press the positioning spline (53) to be separated from the connecting piece (41) is arranged on the connecting piece (41), and a fifth reset spring (58) which can enable the pressing unlocking key (57) to be reset is further arranged between the pressing unlocking key (57) and the connecting piece (41.

6. The stroller of claim 5, wherein: the pressing block (55) is provided with a third pressing inclined surface (551), and the pressing unlocking key (57) is provided with a fourth pressing inclined surface (571) which is mutually pressed against the third pressing inclined surface (551) and can enable the positioning spline (53) to transversely slide and be separated from the positioning spline groove (54) on the connecting piece (41).

7. The stroller of claim 1, wherein: still be equipped with seat pocket (4) on the perambulator, seat pocket (4) including preceding pole (42) and with preceding pole (42) rotate back pole (43) of being connected, be equipped with on preceding pole (42) or back pole (43) with connecting piece (41) that preceding leg (11) are connected, be equipped with between preceding pole (42) and back pole (43) and enable the fourth locking mechanical system of the mutual locking of the two.

8. The stroller of claim 7, wherein: the fourth locking mechanism comprises a left shell (61) arranged on a rear rod (43) and a right shell (51) arranged on a front rod (42) and rotationally connected with the left shell (61), a cavity (62) is enclosed between the left shell (61) and the right shell (51), a sliding block (63) capable of sliding relative to the cavity (62) is arranged in the cavity (62), a clamping protrusion (511) is arranged in the right shell (51), a clamping groove (631) capable of being clamped or separated from the clamping protrusion (511) when the sliding block (63) moves is arranged on the sliding block (63), a third inhaul cable (64) capable of pulling the sliding block (63) to separate the clamping groove (631) from the clamping protrusion (511) when the sliding block (63) moves is further arranged on the sliding block (63), and a sixth reset spring (631) capable of jacking the sliding block (63) to clamp and fix the clamping groove (631) and the clamping protrusion (511) when the seat pocket (4) is in an unfolded state is arranged between the left shell (61) and the sliding block (63) 65) And the rear rod (43) is also provided with an operation key (66) for pulling the third cable (64) after operation.

9. The stroller of claim 7, wherein: still rotate on seat pocket (4) and be connected with handle frame (7), handle frame (7) lower extreme is equipped with connecting shell (8), be equipped with on back pole (43) and rotate left casing (61) of being connected with connecting shell (8), be equipped with location arch (84) in connecting shell (8), be equipped with arc wall (612) including can supplying location arch (84) to slide and make handle frame (7) draw close to front rod (42) in left side casing (61), still be equipped with first dog (611) on the week side of left side casing (61), still be equipped with on connecting shell (8) and prevent handle frame (7) to back pole (43) pivoted second dog (85) at seat pocket expansion state and first dog (611) cooperation.

10. The stroller of claim 9, wherein: the arc-shaped groove (612) comprises a first rib (6121) for positioning a folding position and a second rib (6122) for positioning an unfolding position, when the rear rod rotates relative to the front rod and is folded, the first rib (6121) touches the positioning protrusion (84) and pushes the positioning protrusion (84) to enable the handle frame (7) to move close to the front rod (42) in a rotating mode, when the rear rod (43) rotates relative to the front rod (42) and is unfolded, the second rib (6122) touches the positioning protrusion (84) and pushes the positioning protrusion (84) to enable the handle frame (7) to rotate relative to the front rod (42) and be unfolded, and when the seat pocket is unfolded, the first stop block (611) and the second stop block (85) mutually prop against each other to enable the handle frame (7) to be unfolded and fixed relative to the seat pocket (4).

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