CN109080689B - Baby carriage - Google Patents

Baby carriage Download PDF

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Publication number
CN109080689B
CN109080689B CN201810970362.1A CN201810970362A CN109080689B CN 109080689 B CN109080689 B CN 109080689B CN 201810970362 A CN201810970362 A CN 201810970362A CN 109080689 B CN109080689 B CN 109080689B
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China
Prior art keywords
rod
leg
seat
rotationally connected
legs
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CN201810970362.1A
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CN109080689A (en
Inventor
刘萍
夏林杰
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Shanghai Beiyu Information Technology Co ltd
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Shanghai Beiyu Information Technology Co ltd
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Priority to CN201810970362.1A priority Critical patent/CN109080689B/en
Publication of CN109080689A publication Critical patent/CN109080689A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/20Handle bars; Handles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

The invention discloses a baby carriage, wherein the upper ends of rear legs (2) are rotatably connected with front legs (1); the lower end of the front stay bar (3) is rotationally connected with the upper end of the front leg (1); the lower end of the linkage rod (4) is rotationally connected with the rear leg (2), the upper end of the linkage rod (4) is rotationally connected with the front supporting rod (3), and the linkage rod (4), the front supporting rod (3), the front leg (1) and the rear leg (2) form a four-bar linkage mechanism; the front part of the seat frame (5) is rotationally connected with the front legs (1), a transmission rod (6) rotationally connected with the rear part of the seat frame (5) and the rear legs (2) is arranged between the seat frame and the rear legs, and the seat frame (5), the front legs (1), the transmission rod (6) and the rear legs (2) form a four-bar linkage. The folding type folding device is simple in structure, convenient to operate, small in size after folding and convenient to carry.

Description

Baby carriage
[ Field of technology ]
The present invention relates to a stroller.
[ Background Art ]
At present, the baby carriage is an indispensable article for the growth process of children. The baby carriage in 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, has large volume after being folded, and is inconvenient to carry.
The present invention has been made in view of the above drawbacks.
[ Invention ]
The invention aims to overcome the defects of the prior art and provides the baby carriage which is simple in structure, convenient to operate, small in size after being folded and convenient to carry.
The invention is realized by the following technical scheme:
a stroller movable from an extended position to a collapsed position after a locking device is unlocked, characterized in that: comprising the following steps:
the front leg 1, the lower end of the front leg 1 is connected with a front wheel 1a;
the lower end of the rear leg 2 is connected with a rear wheel 2a, and the upper end of the rear leg 2 is rotatably connected with the front leg 1;
the lower end of the front stay bar 3 is rotationally connected with the upper end of the front leg 1;
The lower end of the linkage rod 4 is rotationally connected with the rear leg 2, the upper end of the linkage rod 4 is rotationally connected with the front supporting rod 3, and the linkage rod 4, the front supporting rod 3, the front leg 1 and the rear leg 2 form a four-bar linkage mechanism;
the seat frame 5, the front part of the seat frame 5 is rotationally connected with the front leg 1, a transmission rod 6 rotationally connected with the rear leg 2 is arranged between the rear part of the seat frame 5 and the rear leg 2, and the seat frame 5, the front leg 1, the transmission rod 6 and the rear leg 2 form a four-bar linkage mechanism.
The stroller as described above, wherein: the seat frame 5 comprises a connecting seat 51, the lower end of the connecting seat 51 is rotationally connected with the front leg 1, a seat rod 52 extending in the front-rear direction is further arranged on the connecting seat 51, one end of the transmission rod 6 is hinged with the seat rod 52 or the rear end of the connecting seat 51, and the other end of the transmission rod is hinged with the rear leg 2.
The stroller as described above, wherein: the baby stroller further comprises a front handrail 8, the front handrail 8 comprises a rotating seat 81 which is rotationally connected with the upper ends of the front legs 1 or the lower ends of the front supporting rods 3, a handrail rod 82 can be detachably connected on the rotating seat 81, and a traction rod 9 which is hinged with the rotating seat 81 and the rear legs 2 and can traction the rotating seat 81 to rotate when the baby stroller is folded is arranged between the rotating seat 81 and the rear legs 2.
The stroller as described above, wherein: the traction rod 9, the rear leg 2 and the transmission rod 6 are coaxially and rotatably connected.
The stroller as described above, wherein: the rotating seat 81, the front leg 1 and the front stay bar 3 are coaxially and rotatably connected.
The stroller as described above, wherein: the traction rod 9 is a curved arc-shaped rod.
The stroller as described above, wherein: the traction rod 9 is inserted into the rear leg 2 from top to bottom and can move relative to the rear leg 2.
The stroller as described above, wherein: the front stay bar 3 on be equipped with the push rod 10 that can slide relative it, the push rod 10 on be connected with slide bar 11, the front stay bar 3 on be equipped with can supply slide bar 11 to slide in the spout 12 of sliding when push rod 10 slides relative it, slide bar 11 lower extreme be equipped with can follow the roof seat 13 that slides when it slides in spout 12, roof seat 13 on be equipped with roof support 14.
The stroller as described above, wherein: the front supporting rod is also connected with a hand push rod 10, and when the baby stroller is in a folded state, the hand push rod 10 and the rear wheels 2a are supported on the ground so that the baby stroller is kept standing.
Compared with the prior art, the invention has the following advantages:
1. The linkage rod, the front stay rod, the front leg and the rear leg form a four-bar mechanism, and the seat frame, the front leg, the transmission rod and the rear leg form the four-bar mechanism. When the baby stroller is folded, the upper ends of the front supporting rods are close to the lower ends of the rear legs, the lower ends of the front legs are close to the lower ends of the rear legs, in the process, the rear legs push the transmission rods to rotate, the transmission rods push the seat frame, the seat frame rotates around the connection position of the transmission rods and the front legs, and finally the seat frame is stored along the direction of the front legs, so that the whole baby stroller is folded. Convenient operation, small volume after folding and convenient carrying.
2. The front handrail comprises a rotating seat which is rotationally connected with the upper ends of front legs or the lower ends of front supporting rods, a handrail rod can be detachably connected to the rotating seat, and a traction rod which is hinged with the rotating seat and the rear legs and can traction the rotating seat to rotate when the baby stroller is folded is arranged between the rotating seat and the rear legs. Therefore, when the baby stroller is folded, the traction rod pulls the rotating seat to rotate, the rotating seat drives the grab rail to rotate when rotating, and when the baby stroller is in a folded state, the grab rail reaches a position for dragging or carrying, so that a user can conveniently carry the folded baby stroller. In addition, the rear wheels and the hand push rods are supported on the ground together, so that the baby stroller can be kept standing in a folded state, and a user can park the baby stroller in the folded state conveniently.
3. The folding type folding seat is simple in structure, small in size after folding, convenient to carry and suitable for popularization and application.
[ Description of the drawings ]
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the components of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a partial cross-sectional view of the present invention;
FIG. 6 is a side view of the invention in an expanded state;
FIG. 7 is one of the side views of the present invention during folding;
FIG. 8 is a second side view of the present invention during folding;
FIG. 9 is a side view of the present invention in a folded state;
FIG. 10 is one of the perspective views of the components of the present invention;
FIG. 11 is a second perspective view of the component of the present invention
FIG. 12 is one of the schematic diagrams of the present invention;
FIG. 13 is a second schematic diagram of the present invention;
FIG. 14 is a third schematic diagram of the present invention;
FIG. 15 is a fourth schematic of the present invention.
[ Detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 9, a stroller movable from an unfolded position to a folded position after a locking device is unlocked, comprising:
the front leg 1, the lower end of the front leg 1 is connected with a front wheel 1a;
The lower end of the rear leg 2 is connected with a rear wheel 2a, and the upper end of the rear leg 2 is rotatably connected with the front leg 1 around an axis B;
The lower end of the front stay bar 3 is rotationally connected with the upper end of the front leg 1 around the axis C;
the lower end of the linkage rod 4 is rotationally connected with the rear leg 2 around the axis D, the upper end of the linkage rod 4 is rotationally connected with the front supporting rod 3 around the axis E, and the linkage rod 4, the front supporting rod 3, the front leg 1 and the rear leg 2 form a four-bar linkage mechanism;
the seat frame 5, seat frame 5 the front portion with the front leg 1 rotate around axis F to be connected, seat frame 5 the rear portion with be equipped with between the rear leg 2 with the drive rod 6 of two rotation connections, drive rod 6 and seat frame 5 rotate around axis G to be connected, drive rod 6 and rear leg 2 rotate around axis H to be connected, seat frame 5, front leg 1, drive rod 6 and rear leg 2 constitute four-bar linkage.
As shown in fig. 3, 6 to 9, the link lever 4, the front stay 3, the front leg 1, and the rear leg 2 constitute a four-bar mechanism, and the seat frame 5, the front leg 1, the transmission lever 6, and the rear leg 2 constitute a four-bar mechanism. When the baby stroller is folded, the upper ends of the front supporting rods 3 are close to the lower ends of the rear legs 2, the lower ends of the front legs 1 are close to the lower ends of the rear legs 2, in the process, the rear legs 2 push the transmission rods 6 to rotate, the transmission rods 6 push the seat frame 5, the seat frame 5 rotates around the connection position of the seat frame 5 and the front legs 1, and finally the seat frame 5 is stored along the direction of the front legs 1, so that the whole baby stroller is folded. Convenient operation, small volume after folding and convenient carrying.
As shown in fig. 3, 5 and 6, the seat frame 5 includes a connecting seat 51, the lower end of the connecting seat 51 is rotatably connected with the front leg 1 around an axis F, the connecting seat 51 is further provided with a seat rod 52 extending in the front-rear direction, one end of the driving rod 6 is hinged with the seat rod 52 around an axis G, and the other end is hinged with the rear leg 2 around an axis H. Of course, one end of the transmission rod 6 may be hinged to the connection seat 51. Therefore, the connecting seat 51 extends downward of the seat bar 52, so that the stroller is compact and flexible to fold.
As shown in fig. 1,3, 4 and 5, the stroller further comprises a front handrail 8, the front handrail 8 comprises a rotating seat 81 rotatably connected with the upper ends of the front legs 1 or the lower ends of the front supporting rods 3, the rotating seat 81 can be detachably connected with a handrail rod 82, and a traction rod 9 hinged with the rotating seat 81 and the rear legs 2 and capable of traction the rotating seat 81 to rotate when the stroller is folded is arranged between the rotating seat 81 and the rear legs 2. In this embodiment, the rotating seat 81, the front leg 1 and the front stay 3 are coaxially and rotatably connected about the axis C, the traction rod 9, the rear leg 2 and the transmission rod 6 are coaxially and rotatably connected about the axis H, and the traction rod 9 is rotatably connected with the rotating seat 81 about the axis I. The front armrest 8 is used for infants to grasp, so that safety is ensured. When the stroller is folded, the traction rod 9 pulls the rotating seat 81 to rotate, the rotating seat 81 drives the grab rail 82 to rotate when rotating, and when the stroller is folded, as shown in fig. 9, the grab rail 82 rotates to a position for a user to drag or carry, so that the user can conveniently carry the folded stroller.
As shown in fig. 5, 7 and 8, the traction rod 9 is a curved arc rod, and the traction rod 9 is inserted into the rear leg 2 from top to bottom and can move relative to the rear leg 2. Therefore, the whole baby carriage has compact structure and flexible folding.
As shown in fig. 1, 10 and 11, the front supporting rod 3 is provided with a push rod 10 capable of sliding relative to the push rod, the push rod 10 is connected with a slide rod 11, the front supporting rod 3 is provided with a slide groove 12 capable of allowing the slide rod 11 to slide inwards when the push rod 10 slides relative to the push rod, the lower end of the slide rod 11 is provided with a roof seat 13 capable of following sliding when the slide rod slides in the slide groove 12, and the roof seat 13 is provided with a roof support 14. When the baby carriage is folded, the hand push rod 10 is pushed downwards, when the hand push rod 10 slides downwards relative to the front support rod 3, the canopy seat 13 is pushed to slide downwards through the slide rod 11 connected to the hand push rod 10, and when the canopy seat 13 slides in place, the canopy support 14 is rotated, so that the linkage of the canopy support 14 is realized when the baby carriage is folded, and the operation is simpler and faster.
As shown in fig. 9, in the folded state of the stroller, the push rod 10 and the rear wheel 2a are supported on the ground, so that the stroller can stand, and a user can park the stroller in the folded state.

Claims (4)

1. A stroller movable from an extended position to a collapsed position after a locking device is unlocked, comprising:
The front leg (1), the lower end of the front leg (1) is connected with a front wheel (1 a);
The rear leg (2), the lower end of the rear leg (2) is connected with a rear wheel (2 a), and the upper end of the rear leg (2) is rotationally connected with the front leg (1);
The lower end of the front stay bar (3) is rotationally connected with the upper end of the front leg (1);
The lower end of the linkage rod (4) is rotationally connected with the rear leg (2), the upper end of the linkage rod (4) is rotationally connected with the front supporting rod (3), and the linkage rod (4), the front supporting rod (3), the front leg (1) and the rear leg (2) form a four-bar linkage mechanism;
the seat frame (5), the front part of the seat frame (5) is rotationally connected with the front legs (1), a transmission rod (6) rotationally connected with the rear part of the seat frame (5) and the rear legs (2) is arranged between the rear part of the seat frame (5) and the rear legs (2), and the seat frame (5), the front legs (1), the transmission rod (6) and the rear legs (2) form a four-bar mechanism;
The seat frame (5) comprises a connecting seat (51), the lower end of the connecting seat (51) is rotationally connected with the front leg (1), a seat rod (52) extending in the front-rear direction is further arranged on the connecting seat (51), one end of the transmission rod (6) is hinged with the seat rod (52) or the rear end of the connecting seat (51), and the other end of the transmission rod is hinged with the rear leg (2);
The baby carriage also comprises a front handrail (8), the front handrail (8) comprises a rotating seat (81) which is rotationally connected with the upper end of the front leg (1) or the lower end of the front supporting rod (3), the rotating seat (81) can be detachably connected with a handrail rod (82), and a traction rod (9) which is hinged with the rotating seat (81) and the rear leg (2) and can pull the rotating seat (81) to rotate when the baby carriage is folded is arranged between the rotating seat (81) and the rear leg (2);
The traction rod (9), the rear leg (2) and the transmission rod (6) are coaxially and rotatably connected;
the rotating seat (81), the front leg (1) and the front stay bar (3) are coaxially and rotatably connected;
The traction rod (9) is inserted into the rear leg (2) from top to bottom and can move relative to the rear leg (2).
2. A stroller according to claim 1, wherein: the traction rod (9) is a curved arc-shaped rod.
3. A stroller according to claim 1, wherein: the utility model provides a push rod (10) that can slide relatively on preceding vaulting pole (3), push rod (10) on be connected with slide bar (11), preceding vaulting pole (3) on be equipped with can supply slide bar (11) to slide spout (12) including when push rod (10) slide relatively, slide bar (11) lower extreme be equipped with roof seat (13) that can follow the slip when it slides in spout (12), roof seat (13) on be equipped with roof support (14).
4. A stroller according to claim 1, wherein: the front supporting rod (3) is also connected with a hand push rod (10), and when the baby carriage is in a folded state, the hand push rod (10) and the rear wheel (2 a) are supported on the ground so as to keep the baby carriage standing.
CN201810970362.1A 2018-08-24 2018-08-24 Baby carriage Active CN109080689B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810970362.1A CN109080689B (en) 2018-08-24 2018-08-24 Baby carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810970362.1A CN109080689B (en) 2018-08-24 2018-08-24 Baby carriage

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CN109080689A CN109080689A (en) 2018-12-25
CN109080689B true CN109080689B (en) 2024-07-05

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110920732A (en) * 2019-10-30 2020-03-27 卢清哲 a baby carriage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204713176U (en) * 2015-04-16 2015-10-21 好孩子儿童用品有限公司 A kind of children trolley
CN107985382A (en) * 2017-12-14 2018-05-04 梁水瑛 A kind of baby-carrier framework
CN209112239U (en) * 2018-08-24 2019-07-16 刘萍 Baby carriage framework

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9416522D0 (en) * 1994-08-16 1994-10-12 Crisp David J Improvements relating to pushchairs
JP2002012155A (en) * 2000-06-30 2002-01-15 Combi Corp stroller
CN2782506Y (en) * 2005-04-29 2006-05-24 中山市隆成日用制品有限公司 One-handed folding structure of baby stroller
CN202593594U (en) * 2011-11-30 2012-12-12 好孩子儿童用品有限公司 Folding joint and stroller
JP6494979B2 (en) * 2014-11-04 2019-04-03 コンビ株式会社 baby carriage
CN106314516B (en) * 2016-09-23 2018-07-27 中山市宝蓓悠日用制品有限公司 Baby carriage frame
CN106672048A (en) * 2016-12-10 2017-05-17 柯全德 Children's folding bicycle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204713176U (en) * 2015-04-16 2015-10-21 好孩子儿童用品有限公司 A kind of children trolley
CN107985382A (en) * 2017-12-14 2018-05-04 梁水瑛 A kind of baby-carrier framework
CN209112239U (en) * 2018-08-24 2019-07-16 刘萍 Baby carriage framework

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Effective date of registration: 20240430

Address after: Room G1650, 4th Floor, Building 1, Phase III, International Enterprise Center, No. 1 Guanggu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430205

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Effective date of registration: 20240612

Address after: Room 901-2427, Building 4, No. 2377 Shenkun Road, Minhang District, Shanghai, 2011

Applicant after: Shanghai Beiyu Information Technology Co.,Ltd.

Country or region after: China

Address before: Room G1650, 4th Floor, Building 1, Phase III, International Enterprise Center, No. 1 Guanggu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430205

Applicant before: Hubei Yueyan Technology Co.,Ltd.

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