CN212828632U

CN212828632U - Foldable baby carriage

Info

Publication number: CN212828632U
Application number: CN202021820855.6U
Authority: CN
Inventors: 唐启佑
Original assignee: Zhongshan Yuyu Baby Products Co ltd
Current assignee: Zhongshan Yuyu Baby Products Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-03-30
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a collapsible perambulator can remove to folding position from the expansion position after the locking device unblock, include: the lower ends of the front legs are connected with front wheel assemblies; the lower ends of the rear legs are connected with rear wheel assemblies, and the rear legs are rotatably connected with the front legs; the lower end of the front support rod is rotatably connected with the upper end of the front leg or the upper end of the rear leg; the first connecting rod is rotatably connected with the front support rod; the upper end of the second connecting rod is rotatably connected with the lower end of the first connecting rod, and the middle part of the second connecting rod is rotatably connected with the position on the rear leg and close to the upper end of the rear leg; the front end of the third connecting rod is rotatably connected with the front leg, and the rear end of the third connecting rod is rotatably connected with the lower end of the second connecting rod. The utility model aims at overcoming the defects of the prior art and providing a foldable baby carriage which has simple structure and is simple, convenient and easy to fold.

Description

Foldable baby carriage

[ technical field ] A method for producing a semiconductor device

The utility model relates to a collapsible perambulator.

[ background of the invention ]

Strollers have become an impossible or missing product for infants during their growth. Current strollers are generally collapsible for portability. But the volume of the traditional baby carriage is still larger after being folded, and the folding operation of the whole baby carriage is inconvenient, the structure is more complex and the cost is higher.

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 foldable baby carriage which has simple structure and is simple, convenient and easy to fold.

The utility model discloses a realize through following technical scheme:

a foldable 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;

a rear leg 12, a rear wheel assembly 121 connected to the lower end of the rear leg 12, and the rear leg 12 rotatably connected to the front leg 11;

the lower end of the front stay bar 13 is rotatably connected with the upper end of the front leg 11 or the upper end of the rear leg 12;

the first connecting rod 14 is rotatably connected with the front support rod 13;

the upper end of the second connecting rod 15 is rotatably connected with the lower end of the first connecting rod 14, and the middle part of the second connecting rod 15 is rotatably connected with the rear leg 12 and close to the upper end of the rear leg 12;

and the front end of the third connecting rod 16 is rotatably connected with the front leg 11, and the rear end of the third connecting rod 16 is rotatably connected with the lower end of the second connecting rod 15.

The foldable stroller as described above, characterized in that: the baby carriage also comprises a seat part 2, the seat part 2 comprises a connecting seat 21 which is rotatably connected to the upper end of the front leg 11, a seat rod 22 which can slide back and forth along the connecting seat 21 is arranged in the connecting seat 21, and the rear side of the seat rod 22 is rotatably connected with the first connecting rod 14.

The foldable stroller as described above, characterized in that: the baby carriage also comprises a seat part 2, the seat part 2 comprises a connecting seat 21 which is rotatably connected to the front supporting rod 13 or the rear leg 12, a seat rod 22 which can slide back and forth along the connecting seat 21 is arranged in the connecting seat 21, and the rear side of the seat rod 22 is rotatably connected with the first connecting rod 14.

The foldable stroller as described above, characterized in that: the front stay 13, the front leg 11 and the rear leg 12 are coaxially arranged around the first axis a and are deviated from the first axis a from the rotation axis B of the coupling seat 21.

The foldable stroller as described above, characterized in that: the foldable stroller further comprises a handle frame 17 rotatably coupled to the front stay 13 and fixedly coupled to the first connecting bar 14.

The foldable stroller as described above, characterized in that: the locking device is arranged between the front leg 11 and the front stay 13, the locking device comprises a left hinge shell 31 arranged at the lower end of the front stay 13 and a right hinge shell 32 arranged on the front leg 11 and rotationally connected with the left hinge shell 31, the left hinge shell 31 and the right hinge shell 32 enclose to form an accommodating cavity 33, spline grooves 34 are respectively arranged on the inner walls of the left hinge shell 31 and the right hinge shell 32, a spline 35 is arranged in the accommodating cavity 33, a jacking piece 36 capable of pushing the spline 35 to transversely slide and separate from the spline groove 34 on the right hinge shell 32 is arranged between the spline 35 and the right hinge shell 32, a spring 37 is arranged between the spline 35 and the left hinge shell 31 and can press the spline 35 to enable the spline 35 to be simultaneously clamped with the spline grooves 34 on the left hinge shell 31 and the right hinge shell 32 when the baby carriage is in an unfolded state, the pressing piece 36 is provided with a first pulling cable 38 which is used for pulling the pressing piece 36 to move so as to enable the pressing piece 36 to press the spline 35 to be separated from the right hinged shell 32.

The foldable stroller as described above, characterized in that: the spline 35 is provided with a groove 351 for allowing the pressing member to slide in the inner radial direction, the groove 351 is internally provided with a first inclined surface 352, and the pressing member 36 is provided with a second inclined surface 361 which can slide in cooperation with the first inclined surface 352 and press the spline 35 to move transversely.

The foldable stroller as described above, characterized in that: preceding vaulting pole 13 upper end is rotated and is connected with handspike 18, handspike 18 and preceding vaulting pole 13 between be equipped with kayser mechanism, kayser mechanism is including locating interior lock sleeve 41 on the preceding vaulting pole 13, be equipped with on the handspike 18 and rotationally set up the outer lock sleeve 42 outside interior lock sleeve 41, outer lock sleeve 42 on rotate and be connected with the card latch member 421 of ability and interior lock sleeve 41 block, card latch member 421 on be connected with and can stimulate its relative outer lock sleeve 42 and rotate and with the second cable 43 that interior lock sleeve 41 breaks away from, be equipped with on the handspike 18 and be connected with second cable 43 and can stimulate the unblock key 181 that second cable 43 removed.

The foldable stroller as described above, characterized in that: the utility model discloses a locking device, including preceding vaulting pole 13, locking piece, first cable 38, preceding vaulting pole 13 upper end is rotated and is connected with handspike 18, handspike 18 and preceding vaulting pole 13 between be equipped with kayser mechanism, kayser mechanism is including locating interior lock sleeve 41 on the preceding vaulting pole 13, be equipped with the outer lock sleeve 42 that rotationally sets up outside interior lock sleeve 41 on the handspike 18, outer lock sleeve 42 on rotate and be connected with the card latch member 421 of ability with interior lock sleeve 41 block, card latch member 421 on be connected with and stimulate its relative outer lock sleeve 42 and rotate and with the second cable 43 that interior lock sleeve 41 breaks away from, be equipped with on the handspike 18 and be connected with second cable 43 and can stimulate the unblock key 181 that second cable 43 removed, first cable 38 is connected on the outer lock sleeve 42, and can stimulate first cable 38 when outer lock sleeve 42 rotates and then make locking device unblock.

The foldable stroller as described above, characterized in that: be equipped with trip portion 4211 on the latch member 421, be equipped with on the interior lock sleeve 41 and supply trip portion 4211 card to go into and make preceding vaulting pole 13 fixed draw-in groove 411 when relative handspike 18 expandes, still be equipped with the reset spring 422 that enables latch member 421 and reset in the outer lock sleeve 42.

Compared with the prior art, the utility model discloses there is following advantage: the utility model discloses when folding, at first unblock locking device, then promote preceding vaulting pole downwardly rotating and be close to the back leg, the upper end downwardly rotating of roof pressure second connecting rod under the effect of preceding vaulting pole of the first connecting rod of connecting in the front, when the upper end of second connecting rod moves down, the relative back leg in middle part of second connecting rod rotates, and makes the lower extreme of second connecting rod upwards rotate, second connecting rod upward movement is followed to third connecting rod rear end, make third connecting rod front end drive front leg draw close to the back leg, it is folding with the perambulator. The folding of whole perambulator need not just can realize pressing foreleg and preceding vaulting pole with the hand among the whole folding process, operates very simple and convenient swift, whole perambulator simple structure moreover, low cost is small after folding, very portable.

[ description of the drawings ]

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

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

FIG. 3 is one of the plan views of the foldable stroller of the present invention;

fig. 4 is a second plan view of the foldable stroller of the present invention;

fig. 5 is one of the plan views of the foldable stroller of the present invention in a folded state;

fig. 6 is a second plan view of the foldable stroller of the present invention in a folded state;

FIG. 7 is one of the exploded views of the foldable stroller of the present invention;

FIG. 8 is an enlarged view of area C of FIG. 7;

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

figure 10 is one of the cross-sectional views of the foldable stroller of the present invention;

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

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

FIG. 13 is an enlarged view of area F of FIG. 12;

fig. 14 is a second cross-sectional view of the foldable stroller of the present invention;

fig. 15 is an enlarged view of the region G in fig. 14.

[ detailed description ] embodiments

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

as shown in fig. 1 to 15, a foldable stroller, which can be moved from an unfolded position to a folded position after a locking device is unlocked, comprises:

When the baby carriage is folded, the locking device is unlocked firstly, then the front supporting rod 13 is pushed to rotate downwards to be close to the rear leg 12, the first connecting rod 14 connected to the front supporting rod 13 pushes the upper end of the second connecting rod 15 to rotate downwards under the action of the gravity of the front supporting rod 13, when the upper end of the second connecting rod 15 moves downwards, the middle part of the second connecting rod 15 rotates relative to the rear leg, the lower end of the second connecting rod 15 rotates upwards, the rear end of the third connecting rod 16 moves upwards along with the second connecting rod 15, the front end of the third connecting rod 16 drives the front leg to approach to the rear leg, and the baby carriage is folded. The folding of whole perambulator need not just can realize pressing foreleg and preceding vaulting pole with the hand among the whole folding process, operates very simple and convenient swift, whole perambulator simple structure moreover, low cost is small after folding, very portable.

As shown in fig. 1 to 6, the stroller further comprises a seat member 2, the seat member 2 comprises a connecting base 21 rotatably connected to the upper end of the front leg 11, a seat rod 22 capable of sliding back and forth along the connecting base 21 is arranged in the connecting base, and the rear side of the seat rod 22 is rotatably connected to the first connecting rod 14. When folded, the first connecting rod 14 rotates relative to the front stay 13, the first connecting rod 13 pulls the rear side of the seat rod 22 backward, the seat rod 22 slides backward in the connecting seat 21, and the connecting seat 21 rotates relative to the front leg 11, so that the seat member 2 can be folded. Of course, the connecting seat may also be provided on the front stay 13 or the rear leg 12.

As shown in fig. 1, the front stay 13, the front leg 11 and the rear leg 12 are coaxially disposed about the first axis a and are offset from the rotation axis B of the connecting seat 21. When the front support rod 13, the front leg 11 and the rear leg 12 are coaxially arranged around the first axis A, connecting points and rotating points are reduced, so that the structure of the baby carriage is more compact, the folding is more flexible, and when the rotating axis B of the connecting seat 21 deviates from the first axis A, the connecting seat 21 can be conveniently rotated and folded.

As shown in fig. 1 to 3, the foldable stroller further includes a handle frame 17 rotatably coupled to the front stay 13 and fixedly coupled to the first connecting bar 14. And when the rear end of the first connecting rod 14 rotates downward, the first connecting rod 14 drives the armrest frame 17 to rotate, so that the armrest frame 17 rotates upward and is folded close to the rear leg 12.

As shown in fig. 7 to 11, the locking device is disposed between the front leg 11 and the front stay 13, the locking device includes a left hinge shell 31 disposed at a lower end of the front stay 13 and a right hinge shell 32 disposed on the front leg 11 and rotatably connected to the left hinge shell 31, an accommodating cavity 33 is defined between the left hinge shell 31 and the right hinge shell 32, spline grooves 34 are respectively disposed on inner walls of the left hinge shell 31 and the right hinge shell 32, a spline 35 is disposed in the accommodating cavity 33, a pressing member 36 capable of pushing the spline 35 to slide transversely to be disengaged from the spline groove 34 on the right hinge shell 32 is disposed between the spline 35 and the right hinge shell 32, a pulling cable 37 capable of pressing the spline 35 to simultaneously engage the spline 35 with the spline grooves 34 on the left hinge shell 31 and the right hinge shell 32 when the stroller is in an unfolded state is disposed between the spline 35 and the left hinge shell 31, and a first pulling cable 38 capable of pulling the movement of pulling the spline 36 to press the pressing member 35 to be disengaged from the right hinge shell 32.

As shown in fig. 9, a groove 351 for allowing the pressing member to slide in the inner radial direction is formed on the spline 35, a first inclined surface 352 is formed in the groove 351, and a second inclined surface 361 which can slide in cooperation with the first inclined surface 352 and presses the spline 35 to move transversely is formed on the pressing member 36.

As shown in fig. 4 to 6, when the stroller is folded, the locking device needs to be unlocked, when the locking device is unlocked, only the first cable 38 needs to be pulled, the pressing member 36 is driven to slide radially in the groove 351 of the spline 35 during the pulling process of the first cable 38, the second inclined surface 361 presses the first inclined surface 352 to enable the spline 35 to slide transversely and disengage from the spline groove 34 on the right hinge shell 32, when the spline 35 disengages from the spline groove 34 on the right hinge shell 32, the front leg 11 and the front stay 13 are unlocked, and at this time, the front stay 13 and the front leg 11 can be folded close to the rear leg 12.

As shown in fig. 12 to 15, a hand push rod 18 is rotatably connected to the upper end of the front support rod 13, a locking mechanism is disposed between the hand push rod 18 and the front support rod 13, the locking mechanism includes an inner lock sleeve 41 disposed on the front support rod 13, an outer lock sleeve 42 rotatably disposed outside the inner lock sleeve 41 is disposed on the hand push rod 18, a locking member 421 capable of being engaged with the inner lock sleeve 41 is rotatably connected to the outer lock sleeve 42, a second cable 43 capable of pulling the locking member to rotate relative to the outer lock sleeve 42 and to be separated from the inner lock sleeve 41 is connected to the locking member 421, an unlocking key 181 connected to the second cable 43 and capable of pulling the second cable 43 to move is disposed on the hand push rod 18, and the first cable 38 is connected to the outer lock sleeve 42 and pulls the first cable 38 when the outer lock sleeve 42 rotates to unlock the locking device. Be equipped with trip portion 4211 on the latch member 421, be equipped with on the interior lock sleeve 41 and supply trip portion 4211 card to go into and make preceding vaulting pole 13 fixed draw-in groove 411 when relative handspike 18 expandes, still be equipped with the reset spring 422 that enables latch member 421 and reset in the outer lock sleeve 42.

As shown in fig. 12 to 15, when folding is required, pressing the unlocking key 181, the unlocking key 181 pulls the second cable 43, the second cable 43 pulls the locking piece 421 to rotate relative to the outer lock sleeve 42, so that the hook portion 4211 is disengaged from the slot 411 of the inner lock sleeve 41, so that the front support rod 13 and the hand push rod 18 are unlocked, at this time, the hand push rod 18 can be rotated and folded relative to the front support rod, the outer lock sleeve 42 rotates relative to the inner lock sleeve 41, so that the first cable 38 is pulled to rotate along with the outer lock sleeve 42, the first cable 38 drives the pressing piece 36 to slide radially in the groove 351 of the spline 35 during pulling, the second inclined surface 361 presses the first inclined surface 352 to make the spline 35 slide transversely to disengage from the spline groove 34 on the right hinge housing 32, when the spline 35 disengages from the spline groove 34 on the right hinge housing 32, the front leg 11 and the front support rod 13 are unlocked, the first connecting rod 14 connected to the front support rod 13 presses the upper end of the second connecting rod 15 downward under the action of the gravity of the front support rod 13, when the upper end of the second connecting rod 15 moves downwards, the middle part of the second connecting rod 15 rotates relative to the rear leg, the lower end of the second connecting rod 15 rotates upwards, the rear end of the third connecting rod 16 moves upwards along with the second connecting rod 15, the front end of the third connecting rod 16 drives the front leg 11 to be close to the rear leg 12, and when the front leg 11, the front support rod 13 and the hand push rod 18 are close to the rear leg 12, the folding of the whole baby carriage is completed. The folding of whole perambulator need not just can realize pressing foreleg and preceding vaulting pole with the hand among the whole folding process, operates very simple and convenient swift, whole perambulator simple structure, low cost, folding back is small, very portable. Moreover, the automatic folding of the vehicle can be realized only by pressing the unlocking key 181 and slightly pushing the hand push rod 18 forwards, so that the vehicle is time-saving, labor-saving and convenient to operate.

As shown in fig. 1 to 3, the inner lock sleeve 41 is further provided with a rotating seat 6 capable of rotating relative to the inner lock sleeve, and the rotating seat 6 is provided with a fixing rod 61 capable of mounting a sunshade; the rear legs 12 are also provided with a pedal type brake component 5 which can be used for stopping the foldable baby carriage to move; the seat part 2 is further provided with a leg support bar 23 which can rotate relative to the seat bar 22 and is used for supporting the legs of the baby.

Claims

1. A foldable 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);

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

the lower end of the front support rod (13) is rotatably connected with the upper end of the front leg (11) or the upper end of the rear leg (12);

the first connecting rod (14), the first connecting rod (14) is rotatably connected with the front support rod (13);

the upper end of the second connecting rod (15) is rotatably connected with the lower end of the first connecting rod (14), and the middle part of the second connecting rod (15) is rotatably connected with the rear leg (12) and is close to the upper end of the rear leg (12);

the front end of the third connecting rod (16) is rotatably connected with the front leg (11), and the rear end of the third connecting rod (16) is rotatably connected with the lower end of the second connecting rod (15).

2. The foldable stroller of claim 1, wherein: the baby carriage further comprises a seat part (2), the seat part (2) comprises a connecting seat (21) which is rotatably connected to the upper end of the front leg (11), a seat rod (22) capable of sliding back and forth along the connecting seat (21) is arranged in the connecting seat (21), and the rear side of the seat rod (22) is rotatably connected with the first connecting rod (14).

3. The foldable stroller of claim 1, wherein: the baby carriage further comprises a seat part (2), the seat part (2) comprises a connecting seat (21) which is rotatably connected to the front supporting rod (13) or the rear leg (12), a seat rod (22) capable of sliding back and forth along the connecting seat (21) is arranged in the connecting seat (21), and the rear side of the seat rod (22) is rotatably connected with the first connecting rod (14).

4. The foldable stroller of claim 2 or 3, characterized in that: the front support rod (13), the front leg (11) and the rear leg (12) are coaxially arranged around a first axis (A) and deviate from the first axis (A) with a rotating axis (B) of the connecting seat (21).

5. The foldable stroller of claim 1, wherein: the foldable baby carriage also comprises an armrest frame (17) which is rotatably connected to the front support rod (13) and is fixedly connected with the first connecting rod (14).

6. The foldable stroller of claim 1, wherein: the locking device is arranged between a front leg (11) and a front support rod (13), the locking device comprises a left hinged shell (31) arranged at the lower end of the front support rod (13) and a right hinged shell (32) arranged on the front leg (11) and rotationally connected with the left hinged shell (31), an accommodating cavity (33) is formed by enclosing the left hinged shell (31) and the right hinged shell (32), spline grooves (34) are respectively arranged on the inner walls of the left hinged shell (31) and the right hinged shell (32), splines (35) are arranged in the accommodating cavity (33), a jacking piece (36) capable of pushing the splines (35) to transversely slide and separate from the spline grooves (34) on the right hinged shell (32) is arranged between the splines (35) and the left hinged shell (31), and when the baby carriage is in an unfolded state, the splines can be jacked by the splines (35) to enable the splines (35) to be simultaneously hinged to the spline grooves (34) on the left hinged shell (31) and the right hinged shell (32) and the spline grooves (35) and the right hinged shell (32) And the pressing piece (36) is provided with a first inhaul cable (38) which is used for pulling the pressing piece (36) to move so as to enable the pressing piece (36) to press the spline (35) to be separated from the right hinged shell (32).

7. The foldable stroller of claim 6, wherein: the spline (35) is provided with a groove (351) which can allow the jacking member to slide in the inner radial direction, a first inclined plane (352) is arranged in the groove (351), and the jacking member (36) is provided with a second inclined plane (361) which can slide in a matching manner with the first inclined plane (352) and can jack the spline (35) to move transversely.

8. The foldable stroller of claim 1, wherein: preceding vaulting pole (13) upper end is rotated and is connected with handspike (18), handspike (18) and preceding vaulting pole (13) between be equipped with kayser mechanism, kayser mechanism is including locating interior lock sleeve (41) on preceding vaulting pole (13), be equipped with on handspike (18) and rotationally set up outer lock sleeve (42) outside interior lock sleeve (41), outer lock sleeve (42) on rotate and be connected with card latch fitting (421) that can with interior lock sleeve (41) block, card latch fitting (421) on be connected with and stimulate its relative outer lock sleeve (42) and rotate and with interior lock sleeve (41) second cable (43) that break away from, be equipped with on handspike (18) and be connected with second cable (43) and can stimulate unlocking key (181) that second cable (43) removed.

9. The foldable stroller of claim 6, wherein: the upper end of the front stay bar (13) is rotationally connected with a hand push bar (18), a locking mechanism is arranged between the hand push bar (18) and the front stay bar (13), the locking mechanism comprises an inner lock sleeve (41) arranged on the front support rod (13), the hand push rod (18) is provided with an outer lock sleeve (42) which is rotatably arranged outside the inner lock sleeve (41), the outer lock sleeve (42) is rotatably connected with a locking piece (421) which can be clamped with the inner lock sleeve (41), the locking piece (421) is connected with a second inhaul cable (43) which can pull the locking piece to rotate relative to the outer lock sleeve (42) and separate from the inner lock sleeve (41), the hand push rod (18) is provided with an unlocking key (181) which is connected with the second inhaul cable (43) and can pull the second inhaul cable (43) to move, the first inhaul cable (38) is connected with the outer lock sleeve (42), and when the outer lock sleeve (42) rotates, the first pull cable (38) can be pulled to move so as to unlock the locking device.

10. The foldable stroller of claim 8 or 9, characterized in that: be equipped with trip portion (4211) on latch fitting (421), be equipped with on interior lock sleeve (41) and supply trip portion (4211) card to go into and make preceding vaulting pole (13) fixed draw-in groove (411) when relative handspike (18) expand, still be equipped with in outer lock sleeve (42) and enable reset spring (422) that latch fitting (421) reset.