WO2020029751A1 - Poussette de bébé - Google Patents

Poussette de bébé Download PDF

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Publication number
WO2020029751A1
WO2020029751A1 PCT/CN2019/095937 CN2019095937W WO2020029751A1 WO 2020029751 A1 WO2020029751 A1 WO 2020029751A1 CN 2019095937 W CN2019095937 W CN 2019095937W WO 2020029751 A1 WO2020029751 A1 WO 2020029751A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel bracket
rod
rear wheel
rotatably connected
bracket
Prior art date
Application number
PCT/CN2019/095937
Other languages
English (en)
Chinese (zh)
Inventor
刘建华
唐启佑
Original Assignee
杭州智聪网络科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杭州智聪网络科技有限公司 filed Critical 杭州智聪网络科技有限公司
Publication of WO2020029751A1 publication Critical patent/WO2020029751A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/12—Perambulator bodies; Equipment therefor involving parts that are adjustable, attachable or detachable

Definitions

  • the invention relates to a baby stroller.
  • Strollers are an indispensable product for infants and young children.
  • the folded volume and the height of the seat when unfolded are important indicators of the stroller.
  • the small volume after folding and the high seat height when unfolding are the pursuit goals of many stroller manufacturers at present, because the small folding volume can be easily carried, and the high seat can provide a wider field of vision for infants and young children riding in the stroller.
  • the baby strollers currently on the market are not the best of both worlds, that is, the seats on the market with small folded seats are relatively short, because only in this way can the baby strollers be folded easily.
  • the volume is small after being folded, and the stroller with a higher seat on the market is larger after being folded, which is not convenient to carry.
  • the present invention is based on the above-mentioned disadvantages.
  • the purpose of the present invention is to overcome the shortcomings of the prior art and provide a baby stroller with a simple structure, a small volume after being folded, and a high landscape field of vision.
  • a baby stroller which can be moved from an unfolded position to a folded position after being unlocked by a locking device, is characterized in that it comprises a front longitudinal rod 1 and a rear longitudinal rod 2, the front longitudinal rod 1 and the rear longitudinal rod 2 crossing each other and At the cross position, it is rotationally connected.
  • the upper part of the front longitudinal bar 1 is rotationally connected to the rear stay 3.
  • the upper part of the rear longitudinal bar 2 is rotationally connected to the front stay 4.
  • the rear stay 3 and the front stay 4 are connected.
  • Rotating connection, the lower part of the front longitudinal rod 1 is rotatably connected with a front wheel bracket 5, the front wheel bracket 5 is connected with a front wheel 5a, and the rear longitudinal rod 2 is rotatably connected with a rear wheel bracket 6.
  • the rear wheel bracket 6 is connected to the rear wheel bracket 6, and the front wheel bracket 5 and the rear wheel bracket 6 are provided between the front wheel bracket 5 and the rear wheel bracket 6.
  • the folding traction mechanism 7 is rotated forward and the bracket 6 is folded.
  • the baby stroller as described above is characterized in that: when the baby stroller is folded, the front wheel 5a and the rear wheel 6a reach the opposite positions.
  • the baby stroller as described above is characterized in that the folding traction mechanism 7 includes a rotating rod 72 rotatably connected to the rear wheel bracket 6, and the rotating rod 72 and the front wheel bracket 5 are provided with the two
  • the traction lever 73 is rotatably connected and can pull the front wheel bracket 5 to rotate backward when the rotation lever 72 rotates.
  • the baby stroller described above is characterized in that: the front wheel bracket 5 is provided with an extension 71, and the traction rod 73 is rotatably connected to the extension 71.
  • the baby stroller described above is characterized in that the rear wheel bracket 6 includes a bracket rod 61 and a fixing block 62 on which the bracket rod 61 is provided, and the rotating rod 72 is provided with a rotation mechanism when it is stepped on.
  • a stepping portion 76 of the lever 72 rotates, a first spring 74 is provided between the fixing block 62 and the stepping portion 76, and the rear wheel 6 a is connected to the bracket rod 61.
  • the baby stroller as described above is characterized in that the rotating rod 72 is provided with a downwardly extending protrusion 75, and the locking device includes a sliding mechanism capable of sliding relative to the rear wheel bracket 6 and being capable of being extended when the baby stroller is deployed.
  • a locking block 91 which abuts against the protrusion 75 and prevents the rotation lever 72 from rotating.
  • the rear wheel bracket 6 is provided with a cable 92 connected to the locking block 91 and capable of pulling the locking block 91 to slide.
  • a second spring 93 capable of resetting the locking block 91 is also provided in 6.
  • the stroller as described above is characterized in that it further comprises a seat frame 10 including a seat bar 101, the rear part of the seat rod 101 and the upper part of the front longitudinal bar 1 or the rear stay 3
  • the lower part is rotationally connected, and a link rod 102 is rotatably connected between the front part of the seat rod 101 and the front stay 4.
  • the baby stroller as described above is characterized in that: a protruding block 12 is provided on the front wheel bracket 5, and a bottom stay 13 is provided between the protruding block 12 and the rear wheel bracket 6; One end of the bottom brace 13 is rotatably connected to the protruding block 12, and the other end is rotatably connected to the rear wheel bracket 6.
  • the baby stroller as described above is characterized in that the upper end of the front stay 4 is rotatably connected with a hand push bar 14, and the cable 92 passes through the rear wheel bracket 6, the rear longitudinal bar 2 and the rear of the front stay 4 It is connected with the lower part of the hand push rod 14, so that when the hand push rod 14 rotates, the cable 92 can be pulled and the lock block 91 can be unlocked by sliding.
  • the baby stroller as described above is characterized in that a backrest 15 is rotatably connected to the upper part of the front longitudinal bar 1 or the lower part of the rear stay 3, and a leg support bar 16 is rotatably connected to the front end of the seat bar 101.
  • the present invention has the following advantages:
  • the front wheel bracket When the baby stroller of the present invention is folded, when the locking device is unlocked, the front wheel bracket is rotated backward and the rear wheel bracket is rotated forward by the folding traction mechanism, and a certain downward pressure is applied to the front stay in this process.
  • the front longitudinal bar, the rear longitudinal bar, the front stay bar and the rear stay bar are relatively rotated and move downward in the vertical direction to approach the front wheel bracket and the rear wheel bracket.
  • the entire folding operation is simple and fast.
  • the front wheel bracket When the stroller is in the unfolded state, the front wheel bracket extends the length of the front longitudinal rod, and the rear wheel bracket extends the length of the rear longitudinal rod. Therefore, the entire stroller is higher, so that the seat of the stroller can be set at a relatively high level.
  • the high height ensures that the stroller has a high field of vision, and also allows the user to be close to the infants and toddlers in the stroller when walking with the stroller, and can only interact with the infants by bending down slightly, which can be taken care of Infants and toddlers are more humane; when the stroller is folded, the front wheel bracket rotates backward and the rear wheel bracket rotates forward, which makes the stroller small and easy to carry.
  • the front wheel and the rear wheel reach the opposite positions. Therefore, when the baby stroller is in a folded state where the front stay is substantially parallel to the ground, the front wheel and the rear wheel are not in a vertical overlapping state, which reduces the thickness of the folded state of the baby stroller and makes the baby stroller folded.
  • the rear volume is small and more convenient to carry.
  • the turning lever is rotated by stepping on the stepping portion on the turning lever during folding.
  • the front wheel bracket is pulled backward by the traction lever, and when the stepping portion is stepped, it is pressed by the first spring
  • the rear wheel bracket's fixing block applies forward force to the rear wheel bracket, so that the rear wheel bracket is rotated forward and the front wheel bracket is rotated backward simultaneously. The entire operation is very convenient and fast.
  • the seat frame of the present invention includes a seat bar.
  • the rear part of the seat bar is rotatably connected with the upper part of the front longitudinal bar or the lower part of the rear stay bar.
  • the front part of the seat bar and the front stay bar are rotatably connected with the two. Linkage. Therefore, when the stroller is folded, the seat rod and the linkage rod also rotate at the positions where they are rotationally connected, so that the seat frame is folded together, and the operation is convenient and the folding is smooth.
  • the invention has a simple structure, can maintain a high height of the seat, and has a small volume after being folded, which is convenient to carry and achieves the best of both worlds. It is suitable for promotion and application.
  • Embodiment 1 is a side view of a deployed state of Embodiment 1 of the present invention.
  • FIG. 2 is one of the side views during the folding process of Embodiment 1 of the present invention.
  • Embodiment 3 is a second side view of the folding process in Embodiment 1 of the present invention.
  • FIG. 4 is a side view of a folded state according to Embodiment 1 of the present invention.
  • Embodiment 1 of the present invention is a perspective view of Embodiment 1 of the present invention.
  • FIG. 6 is a perspective view of a component of Embodiment 1 of the present invention.
  • FIG. 7 is an enlarged view at A in FIG. 6;
  • Embodiment 8 is an exploded view of components of Embodiment 1 of the present invention.
  • Embodiment 9 is a side view of a deployed state of Embodiment 2 of the present invention.
  • FIG. 10 is a side view of the folding process in Embodiment 2 of the present invention.
  • Embodiment 2 of the present invention is a perspective view of Embodiment 2 of the present invention.
  • Embodiment 12 is a side view of a developed state of Embodiment 3 of the present invention.
  • FIG. 13 is a side view of the folding process according to Embodiment 3 of the present invention.
  • FIG. 14 is a perspective view of components of Embodiment 3 of the present invention.
  • FIG. 15 is a side view of a developed state of Embodiment 4 of the present invention.
  • a baby stroller can be moved from an unfolded position to a folded position after the locking device is unlocked, and includes a front longitudinal rod 1 and a rear longitudinal rod 2.
  • the rods 2 cross each other and are rotatably connected about the axis B at the crossing position.
  • the upper part of the front longitudinal rod 1 is rotatably connected to the rear support rod 3 about the axis C.
  • the upper part of the rear longitudinal rod 2 is rotatably connected to the front support rod about the axis D 4.
  • the rear stay 3 and the front stay 4 are rotatably connected about the axis E, and the front longitudinal bar 1 is rotatably connected to the front wheel bracket 5 about the axis F.
  • the front wheel bracket 5 is connected to the front wheel bracket 5.
  • Wheel 5a the lower part of the rear longitudinal rod 2 is rotatably connected to the rear wheel bracket 6 about the axis H, the rear wheel bracket 6 is connected to the rear wheel 6a, and the front wheel bracket 5 and the rear wheel bracket 6
  • a folding traction mechanism 7 capable of turning the front wheel bracket 5 backward and turning the rear wheel bracket 6 forward.
  • FIGS. 1 to 4 when the baby stroller is folded, the front wheel bracket 5 is rotated backward and the rear wheel bracket 6 is rotated forward by the folding traction mechanism 7 after the locking device is unlocked.
  • the strut 4 exerts a certain downward pressure.
  • the front longitudinal rod 1, the rear longitudinal rod 2, the front strut 4, and the rear strut 3 are relatively rotated and move downward in the vertical direction, and are close to the front wheel bracket 5 and the rear wheel. Bracket 6, the whole folding operation is simple and fast.
  • the front wheel bracket 5 extends the length of the front longitudinal rod 1
  • the rear wheel bracket 6 extends the length of the rear longitudinal rod 2. Therefore, the entire stroller is higher and the stroller seat It can be set at a high height to ensure that the stroller has a high field of vision, and also allows users to be close to the infants and toddlers in the stroller when walking with the stroller, and only need to bend down to interact with the infants.
  • the seat of the stroller can be directly attached to the stroller by using a flexible seat pocket.
  • the front wheels 5 a and the rear wheels 6 a reach the opposite positions. Therefore, when the stroller is in a folded state where the front stay 4 is substantially parallel to the ground, the front wheel 5a and the rear wheel 6a are not superimposed or staggered in the vertical direction, reducing the thickness of the folded state of the stroller.
  • the baby stroller is small in size and convenient to carry.
  • the folding traction mechanism 7 includes a rotation lever 72 rotatably connected to the rear wheel bracket 6 about the axis I, and the rotation lever 72 and the front wheel bracket 5 are provided with the two The traction rod 73 which is rotationally connected and can pull the front wheel bracket 5 backward when the rotation rod 72 rotates.
  • the front portion of the traction rod 73 is rotatably connected with the front wheel bracket 5 about the axis J.
  • the rear portion of the traction rod 73 It is rotatably connected with the rotation rod 72 about the axis K.
  • the front wheel bracket 5 is provided with an extension portion 71, and the traction rod 73 is rotatably connected to the extension portion 71, so that the baby stroller can be folded more smoothly and flexibly.
  • the rear wheel bracket 6 includes a bracket rod 61 and a fixing block 62 on one side of the bracket rod 61.
  • the rotating rod 72 is provided with a rotating rod 72 capable of rotating when stepped on
  • the stepping portion 76 is provided with a first spring 74 between the fixing block 62 and the stepping portion 76, and the rear wheel 6 a is connected to the bracket rod 61.
  • the rotation lever 72 is rotated by stepping on the stepping portion 76 on the rotation lever 72.
  • the first spring 74 presses the fixing block 62 of the rear wheel bracket 6 to apply a forward force to the rear wheel bracket 6 so that the rear wheel bracket 6 rotates forward and the front wheel bracket 5 rotates simultaneously.
  • the entire operation is very Convenient and fast, and the first return spring 74 also plays a role of resetting the rotation lever 72.
  • the rotating rod 72 is provided with a downwardly extending protruding portion 75
  • the locking device includes a sliding portion relative to the rear wheel bracket 6 and abutting against the protruding portion 75 when the stroller is deployed.
  • a locking block 91 that prevents the rotation of the rotating lever 72 is provided with a cable 92 connected to the locking block 91 and capable of pulling the locking block 91 to slide in the rear wheel bracket 6.
  • the second spring 93 resets the lock block 91.
  • the locking block 91 is slid by pulling the cable 92.
  • the protruding portion 75 on the rotation lever 72 is released, so that the stepping portion 76 can be understood downward to make the rotation lever. 72 turns.
  • the locking device can also adopt other conventional locking structures, such as a locking structure of a hook and a latch between two links having a rotational relationship, and the latch is unlocked when the hook and the latch are disengaged. The hook is locked when it engages with the latch.
  • the upper end of the front stay 4 is rotatably connected with a hand push rod 14 about an axis G, and the cable 92 passes through the rear wheel bracket 6, the rear longitudinal bar 2 and the front stay 4. It is connected to the lower part of the hand push rod 14, so that when the hand push rod 14 rotates, the pull cable 92 can be pulled to slide the lock block 91 to unlock.
  • the setting of the hand push rod 14 extends the length of the front stay 4 upward, which is more convenient for a user to push the stroller to walk. Moreover, when the baby stroller is folded, turning the hand push rod 14 can pull the cable 92 to unlock the locking device, and the operation is very convenient and quick.
  • the locking of the hand push rod 14 and the front stay 4 may adopt a conventional locking structure in the art, and details are not described herein again.
  • the baby stroller further includes a seat frame 10 including a seat rod 101, and the seat rod 101, the rear stay 3, and the front longitudinal rod 1 are about an axis. C is coaxially connected.
  • the rear portion of the seat rod 101 may also be rotationally connected to only the upper portion of the front longitudinal rod 1, or the rear portion of the seat rod 101 is rotationally connected to only the lower portion of the rear stay 3
  • a link rod 102 is rotatably connected between the front portion of the seat rod 101 and the front support rod 4, and the upper portion of the link rod 102 is rotatably connected with the front support rod 4 about the axis M, so
  • the lower part of the interlocking lever 102 and the seat lever 101 are rotatably connected about the axis N. Therefore, when the baby stroller is folded, the seat rod 101 and the linkage rod 102 also rotate at positions where they are rotationally connected, so that the seat frame is folded together, and the operation is convenient and the folding is smooth.
  • a detachable front armrest 11 is further provided at the upper end of the rear stay 3.
  • the front wheel bracket 5 is provided with a protruding block 12, and a bottom support bar 13 is provided between the protruding block 12 and the rear wheel support 6, and the bottom support
  • One end of the rod 13 is rotatably connected to the protruding block 12 about the axis Q, and the other end is rotatably connected to the rear wheel bracket 6 about the axis P.
  • the arrangement of the bottom stay 13 can make the stroller more stable in the unfolded state.
  • connection position of the bottom support 13 and the front wheel bracket 5 deviates from the connection position of the traction lever 73 and the front wheel bracket 5, and the connection position of the bottom support 13 and the rear wheel bracket 6 deviates from the connection position of the rotation lever 72 and the rear wheel bracket 6, Therefore, there is no interference jam when the stroller is folded, ensuring that the stroller can be flexibly folded.
  • the front end of the seat rod 101 is rotatably connected to the leg support rod 16 about the axis R.
  • Embodiment 4 The difference between Embodiment 4 and Embodiment 3 is that:
  • a backrest 15 is rotatably connected to the lower portion of the rear stay 3 about an axis S.
  • the backrest 15 can also be rotatably connected to the upper part of the front longitudinal bar 1.

Abstract

L'invention concerne une poussette de bébé, laquelle poussette comprend une tige longitudinale avant (1), une tige longitudinale arrière (2), une tige de support arrière (3), une tige de support avant (4), un support de roue avant (5), un support de roue arrière (6), une roue avant (5a), une roue arrière (6a) et un mécanisme de traction pliable (7). Le mécanisme de traction pliable (7) est disposé entre le support de roue avant (5) et le support de roue arrière (6). Quand la poussette doit être pliée, le support de roue avant (5) peut être tourné vers l'arrière et le support de roue arrière (6) peut être tourné vers l'avant.
PCT/CN2019/095937 2018-08-09 2019-07-15 Poussette de bébé WO2020029751A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810904269.0A CN108715184B (zh) 2018-08-09 2018-08-09 一种婴儿推车
CN201810904269.0 2018-08-09

Publications (1)

Publication Number Publication Date
WO2020029751A1 true WO2020029751A1 (fr) 2020-02-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/095937 WO2020029751A1 (fr) 2018-08-09 2019-07-15 Poussette de bébé

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CN (1) CN108715184B (fr)
WO (1) WO2020029751A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108715184B (zh) * 2018-08-09 2024-03-26 杭州智聪网络科技有限公司 一种婴儿推车
CN208630684U (zh) * 2018-08-09 2019-03-22 杭州智聪网络科技有限公司 一种婴儿推车

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CN203996359U (zh) * 2014-07-01 2014-12-10 好孩子儿童用品有限公司 折叠推车
CN204161426U (zh) * 2014-11-04 2015-02-18 昆山小小恐龙儿童用品有限公司 折叠式推车
CN206615257U (zh) * 2017-02-09 2017-11-07 好孩子儿童用品有限公司 儿童推车
CN108715184A (zh) * 2018-08-09 2018-10-30 中山市宝蓓悠日用制品有限公司 一种婴儿推车

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CN207029267U (zh) * 2017-06-23 2018-02-23 杭州智聪网络科技有限公司 一种折叠式儿童推车
CN107839745A (zh) * 2017-12-06 2018-03-27 中山市赛歌日用制品有限公司 一种婴儿车
CN207631318U (zh) * 2017-12-06 2018-07-20 中山市赛歌日用制品有限公司 一种婴儿车
CN207579927U (zh) * 2017-12-12 2018-07-06 唐灼曙 一种婴儿手推车
CN208630684U (zh) * 2018-08-09 2019-03-22 杭州智聪网络科技有限公司 一种婴儿推车

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN203996359U (zh) * 2014-07-01 2014-12-10 好孩子儿童用品有限公司 折叠推车
CN204161426U (zh) * 2014-11-04 2015-02-18 昆山小小恐龙儿童用品有限公司 折叠式推车
CN206615257U (zh) * 2017-02-09 2017-11-07 好孩子儿童用品有限公司 儿童推车
CN108715184A (zh) * 2018-08-09 2018-10-30 中山市宝蓓悠日用制品有限公司 一种婴儿推车

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