CN113184035A - Child stroller capable of being converted between single person and double persons - Google Patents

Child stroller capable of being converted between single person and double persons Download PDF

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Publication number
CN113184035A
CN113184035A CN202110398981.XA CN202110398981A CN113184035A CN 113184035 A CN113184035 A CN 113184035A CN 202110398981 A CN202110398981 A CN 202110398981A CN 113184035 A CN113184035 A CN 113184035A
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CN
China
Prior art keywords
seat
stroller
assembly
rod
use state
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Granted
Application number
CN202110398981.XA
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Chinese (zh)
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CN113184035B (en
Inventor
高翔
马福生
张兴荣
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN202110398981.XA priority Critical patent/CN113184035B/en
Publication of CN113184035A publication Critical patent/CN113184035A/en
Application granted granted Critical
Publication of CN113184035B publication Critical patent/CN113184035B/en
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    • 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
    • B62B7/12—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor convertible, e.g. into children's furniture or toy
    • 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
    • B62B7/008—Carriages for children; Perambulators, e.g. dolls' perambulators for two or more children
    • 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
    • B62B7/064—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg
    • 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
    • B62B7/083—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 the wheel axes being moved from each other during folding
    • 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
    • B62B7/086—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 becoming smaller in all three dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/12—Collapsible wheels

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

Abstract

The invention discloses a child stroller capable of converting between single person and double persons, which comprises a stroller frame, wherein the stroller frame comprises a front support, a rear support, a push rod assembly, side armrests and a rear connecting rod, two of the front support, the rear support and the side armrests are rotatably connected, the third one of the front support, the rear support and the side armrests is rotatably connected with any one of the two supports or is coaxially and rotatably connected with the three supports, the side armrests are rotatably connected with the push rod assembly, the rear connecting rod is respectively rotatably connected with the push rod assembly and the rear support, the child stroller also comprises a rear seat assembly and a front seat assembly which is rotatably connected with the front support and can stretch in the front-back direction, the child stroller has a single-person use state and a double-person use state, the front seat assembly is positioned in front of the rear seat assembly and relatively extends, the front seat assembly and the rear seat assembly respectively form a seating area for children to sit, and the front seat assembly is relatively shortened in the single-person use state, the front seat assembly forms a seating area for seating a child. The baby stroller is foldable and has a small volume after being folded.

Description

Child stroller capable of being converted between single person and double persons
Technical Field
The invention relates to the technical field of children products, in particular to a child stroller capable of being switched between single and double.
Background
Child cart carries less children to carry out outdoor activities for the adult and provides very big convenience, because the opening of two child policies, two children's family is more and more, carries two children simultaneously for the convenience and carries out outdoor activities, and child cart need have double user state, and when only carrying a children and carrying out outdoor activities, child cart can convert into single user state. In order to facilitate carrying and storage of the stroller, the stroller needs to be foldable. The child stroller capable of being converted by single person and double persons in the prior art is inconvenient to fold and operate due to complex structure, and the volume of the folded structure is still large.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the child stroller capable of being converted by one person or two persons, and the child stroller is convenient to fold and operate and small in structural size after being folded.
In order to achieve the purpose, the invention adopts the technical scheme that:
a child stroller capable of realizing conversion between single and double persons comprises a stroller frame, a front wheel assembly and a rear wheel assembly, wherein the stroller frame comprises a front support, a rear support, a push rod assembly, side armrests and a rear connecting rod, the front wheel assembly is arranged at the lower part of the front support, the rear wheel assembly is arranged at the lower part of the rear support, two of the three parts, namely the upper part of the front support, the upper part of the rear support and the front parts of the side armrests, are rotatably connected, the third part is rotatably connected with any one of the two parts, or the three parts are coaxially and rotatably connected, the rear parts of the side armrests are rotatably connected with the push rod assembly, one end part of the rear connecting rod is rotatably connected with the lower part of the push rod assembly, the other end part of the rear connecting rod is rotatably connected with the rear support, the stroller further comprises a rear seat assembly and a front seat assembly which is rotatably connected with the front support and can stretch in the front-back direction, the children's shallow has single user state and double user state, when children's shallow is in double user state preceding seat subassembly is located the place ahead of back seat subassembly and relative extension, preceding seat subassembly with back seat subassembly forms the region of taking that supplies children to take respectively, when children's shallow is in single user state, preceding seat subassembly shortens relatively, preceding seat subassembly forms the region of taking that supplies children to take.
Preferably, the front seat assembly includes a seat rod assembly capable of extending and retracting in a front-rear direction, a front portion of the seat rod assembly is rotatably connected to the front support, when the stroller is converted from a single use state to a double use state, the seat rod assembly extends to enable the front support to drive the front wheel assembly to be away from the rear wheel assembly, and when the stroller is converted from the double use state to the single use state, the seat rod assembly retracts to enable the front support to drive the front wheel assembly to be close to the rear wheel assembly.
Further, the seat post assembly comprises a rear seat post and a front seat post which extend in the front-rear direction, the front portion of the front seat post is rotatably connected with the front support, and the front seat post is slidably arranged on the rear seat post along the length extension direction of the rear seat post.
Furthermore, the front seat assembly further includes a front seat pocket or a front seat plate fixedly provided on the front seat bar, or the front seat pocket or the front seat plate is slidably provided on the front seat bar in a front-rear direction.
In a specific embodiment, the front seat pocket or the front seat plate is slidably disposed on the front seat rod in a front-rear direction, the front seat pocket or the front seat plate slides forward relative to the front seat rod when the stroller is converted from the single use state to the double use state, and the front seat pocket or the front seat plate slides backward relative to the front seat rod when the stroller is converted from the double use state to the single use state.
Further, the rear seat assembly comprises a rear seat board, two of the three components of the lower portion of the push rod assembly, the rear seat board and the rear seat rod are rotatably connected, the third component is rotatably connected with any one of the two components, or the three components are coaxially and rotatably connected, when the stroller is in a single-person use state, the rear seat board is accommodated below the seat rod assembly, and when the stroller is in a double-person use state, the rear seat board is located behind the seat rod assembly.
Furthermore, the rear connecting rod, the lower part of the push rod assembly, the rear seat plate and the rear part of the rear seat rod are coaxially and rotatably connected.
Preferably, the stroller further comprises a first linkage for urging the stroller between a double use position and a single use position, the first linkage being disposed between the front seat assembly and the rear seat assembly.
Further, the first link mechanism includes a switching link, one end of which is rotatably connected to the front seat assembly and the other end of which is rotatably connected to the rear seat assembly.
Preferably, the front wheel assembly includes a front wheel joint rotatably connected to the front frame and a front wheel rotatably disposed on the front wheel joint, the front wheel joint has a wheel shaft, when the stroller is in a single use state and a double use state, the wheel shaft is perpendicular to the ground, the stroller further includes a second link mechanism for driving the front wheel joint to rotate relative to the front frame when the stroller is switched between the single use state and the double use state, so that the wheel shaft is perpendicular to the ground, the second link mechanism includes a front link, one end of the front link is rotatably connected to the front seat assembly, the other end of the front link is rotatably connected to the front wheel joint, and the front seat assembly is rotatably connected to the front frame.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the child stroller capable of being converted between single and double has a single use state and a double use state, the child stroller can be folded in the single use state and the double use state, the folding operation is convenient, the folded structure is small in size, and the child stroller can stand on the ground and is convenient to carry and store.
Drawings
Fig. 1 is a schematic perspective view of the stroller capable of single-person and double-person conversion in the present embodiment in an unfolded state (a double-person use state, a front link on one side is removed, and a front wheel assembly on one side and a front bracket are in an exploded state);
fig. 2 is a schematic side view of the stroller capable of being converted between two persons according to the embodiment in a deployed state (a two-person use state);
fig. 3 is a schematic cross-sectional view of the stroller capable of being converted between two persons according to the embodiment in a deployed state (a two-person use state);
fig. 4 is a perspective view of the stroller capable of single-person and double-person conversion according to the embodiment in the unfolded state (during the single-person and double-person conversion process);
fig. 5 is a schematic side view of the stroller in the unfolded state (during the one-to-two conversion process);
fig. 6 is a schematic cross-sectional view of the stroller in the unfolded state (during the one-to-two conversion process);
fig. 7 is a perspective view (single-person using state) of the stroller capable of switching between two persons according to the embodiment in an unfolded state;
fig. 8 is a schematic side view of the stroller of the present embodiment in a deployed state (single-person or double-person usage state);
FIG. 9 is a side partially exploded view of the convertible stroller of this embodiment;
fig. 10 is an exploded perspective view of the stroller of the present embodiment;
FIG. 11 is a perspective view of the stroller of the present embodiment during folding (front seat assembly folded);
FIG. 12 is a schematic side view of the convertible stroller of this embodiment during folding (front seat assembly folded);
fig. 13 is a schematic perspective view of the stroller with single-person and double-person conversion according to the embodiment during the folding process (folding of the stroller frame);
FIG. 14 is a schematic side view of the convertible stroller of this embodiment during folding (stroller frame folding);
fig. 15 is a perspective view of the stroller of this embodiment in a folded state;
fig. 16 is a side view of the stroller in a collapsed position in accordance with the present embodiment.
Wherein: 11. a front bracket; 12. a rear bracket; 13. a push rod assembly; 131. a lower push rod; 132. a push rod is arranged; 14. a side arm rest; 15. a rear connecting rod; 21. a front seat pocket or a front seat plate; 211. grooving; 22. a rear seat post; 221. a chute; 23. a front seat post; 231. a first convex portion; 232. a second convex portion; 31. a rear seat plate; 32. an extension rod; 4. a conversion connecting rod; 51. a front wheel joint; 511. a wheel axle; 52. a front wheel; 61. a rear wheel joint; 62. a rear wheel; 71. a first shaft; 72. a second shaft; 73. a third axis; 74. a fourth axis; 75. a fifth shaft; 76. a sixth axis; 8. a front link.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
As shown in fig. 1-16, the convertible stroller of the present invention comprises a stroller frame having an unfolded and folded configuration, a front wheel assembly, a rear wheel assembly, a front seat assembly, and a rear seat assembly.
The stroller frame includes a front bracket 11, a rear bracket 12, a push rod assembly 13, side rails 14, and a rear link 15. The front wheel assembly is disposed at the lower part of the front bracket 11, the rear wheel assembly is disposed at the lower part of the rear bracket 12, two of the three parts of the upper part of the front bracket 11, the upper part of the rear bracket 12 and the front part of the side armrest 14 are rotatably connected, and the third part is rotatably connected with any one of the two parts, or the three parts are coaxially and rotatably connected, in the embodiment, the three parts of the upper part of the front bracket 11, the upper part of the rear bracket 12 and the front part of the side armrest 14 are coaxially and rotatably connected through the first shaft 71. The rear part of the side arm rest 14 is rotatably connected with the push rod assembly 13. One end of the rear link 15 is rotatably connected to a lower portion of the push rod assembly 13, and the other end of the rear link 15 is rotatably connected to the rear bracket 12. Thus, a four-bar linkage is formed between the side arm rests 14, the rear bracket 12, the rear link 15, and the push rod assembly 13.
In this embodiment, the push rod assembly 13 includes a lower push rod 131 and an upper push rod 132 slidably disposed on the lower push rod 131 in a length extending direction of the lower push rod 131. Specifically, the lower push rod 131 is provided with a lumen extending along the length direction thereof, and the upper push rod 132 is partially inserted into the lumen and slidably disposed along the length extending direction of the lumen. The rear portion of the side rail 14 is pivotally connected to the lower push rod 131, and one end portion of the rear link 15 is pivotally connected to a lower portion of the lower push rod 131.
The front wheel assembly includes a front wheel joint 51 and a front wheel 52, the front wheel joint 51 is provided at a lower portion of the front bracket 11, and the front wheel 52 is rotatably provided on the front wheel joint 51.
The rear wheel assembly includes a rear wheel joint 61 and a rear wheel 62, the rear wheel joint 61 is fixedly provided at a lower portion of the rear bracket 12, and the rear wheel 62 is rotatably provided at the rear wheel joint 61.
The front seat assembly and the rear seat assembly are movably arranged on the frame of the stroller, wherein the movement refers to rotation or sliding. Specifically, the front seat assembly includes a front seat pocket or seat plate 21, and the front seat pocket or seat plate 21 can slide in the front-rear direction when the stroller frame is in the unfolded state. The rear seat assembly includes a rear seat plate 31, and the rear seat plate 31 is rotatably disposed with respect to the push rod assembly 13.
The front seat assembly also includes a seat post assembly that is retractable in a fore-aft direction, i.e., the front seat assembly is retractable in a fore-aft direction. The specific seat post assembly includes a rear seat post 22 extending in the front-rear direction and a front seat post 23 slidably disposed on the rear seat post 22 in the lengthwise extension direction of the rear seat post 22, and a front seat pocket or front seat plate 21 is disposed on the front seat post 23. The relative sliding between the front seat rod 23 and the rear seat rod 22 can make the seat rod assembly extend and retract along the front-rear direction, and can drive the front seat pocket or the front seat plate 21 to slide along the front-rear direction relative to the stroller frame.
The front seat lever 23 is provided with a first protrusion 231, the rear seat lever 22 is provided with a slide groove 221 extending in the front-rear direction, and the first protrusion 231 is located in the slide groove 221 and engages with the slide groove 221. When the seat post assembly is extended and retracted in the front-rear direction, the first protrusion 231 is engaged with the sliding groove 221 to guide the extension and retraction direction of the seat post assembly, and the maximum length of the seat post assembly during extension and the minimum length of the seat post assembly during retraction are limited.
The front seat pocket or seat plate 21 may be fixedly provided on the front seat bar 23, or may be slidably provided on the front seat bar 23 in the front-rear direction. It is preferable that the front seat pocket or the front seat plate 21 is slidably provided on the front seat bar 23 in the front-rear direction, so that the stroke of sliding the front seat pocket or the front seat plate 21 in the front-rear direction can be increased.
The front seat bar 23 is further provided with a second convex part 232, the bottom of the front seat pocket or the front seat plate 21 is provided with a tube cavity extending along the front-back direction, the side wall of the tube cavity is provided with a slot 211 penetrating through the tube cavity and extending along the front-back direction, the front seat bar 23 partially extends into the tube cavity, and the second convex part 232 on the front seat bar 23 is positioned in the slot 211 and matched with the slot 211. When the front seat pocket or the front seat plate 21 slides in the front-rear direction with respect to the front seat bar 23, the sliding of the front seat pocket or the front seat plate 21 is guided by the engagement of the second protrusion 232 with the slot 211, and the sliding distance of the front seat pocket or the front seat plate 21 with respect to the front seat bar 23 is limited.
Two of the lower three components of the rear seat plate 31, the rear seat lever 22, and the lower push rod 131 are rotatably connected, and the third component is rotatably connected to either one of the two components, or the three components are coaxially rotatably connected. In the present embodiment, the rear seat plate 31, the rear seat lever 22, the lower portion of the lower push rod 131, and one end portion of the rear link 15 are coaxially and rotatably connected by the second shaft 72.
The stroller has a single use state and a double use state, and when the stroller is in the double use state, the rear seat plate 31 is located behind the seat rod assembly, and the front seat assembly and the rear seat assembly respectively form a seating area for seating a child, as shown in fig. 1 to 3.
When the stroller is in a single use position, the rear seat plate 31 is received beneath the seat bar assembly and the front seat assembly forms an area for seating a child, as shown in fig. 7 and 8.
When the baby stroller is switched between the single-person use state and the double-person use state, the seat rod assembly stretches, the front seat pocket or the front seat plate 21 slides relative to the front seat rod 23, and the rear seat plate 31 rotates relative to the push rod assembly 13. When the relative shallow frame action of one part in front seat pocket or front seat board 21 and the two parts of back seat board 31, the first link mechanism of accessible orders about the synchronous relative shallow frame action of another part to make this children's shallow change between double user state and single user state, make this children's shallow change convenience between single user state and double user state like this, make things convenient for the use of children's shallow.
The first link mechanism is provided between the front seat pocket or the front seat plate 21 and the rear seat plate 31. Specifically, the first link mechanism includes a conversion link 4, one end of the conversion link 4 is rotatably connected to the front seat pocket or the front seat plate 21, and the other end of the conversion link 4 is rotatably connected to the rear seat plate 31. In this embodiment, the rear seat assembly further includes an extension bar 32 extending outward from a connection between the rear seat plate 31 and a lower portion of the lower push rod 131 and the rear seat bar 22, and the other end of the switching link 4 is rotatably connected to the extension bar 32. When the rear seat plate 31 rotates relative to the push rod assembly 13, the conversion link 4 drives the front seat pocket or the front seat plate 21 to slide relative to the front seat rod 23, and when the second protrusion 232 abuts against one end of the slot 211, the rear seat plate 31 continues to rotate relative to the push rod assembly 13, the conversion link 4 can drive the front seat pocket or the front seat plate 21 to drive the front seat rod 23 to synchronously slide relative to the rear seat rod 22.
The front portion of the front seat lever 23 is rotatably connected to the front bracket 11 through a third shaft 73. Thus, when the stroller is switched between the single-use state and the double-use state, the front seat rod 23 slides in the front-back direction relative to the rear seat rod 22, so as to drive the front bracket 11 to rotate relative to the rear bracket 12, so that the included angle between the front bracket 11 and the rear bracket 12, i.e. the distance between the front wheel 51 and the rear wheel 61, changes. When the child stroller is in a double use state, a first distance is formed between the front wheel 51 and the rear wheel 61, and when the child stroller is in a single use state, a second distance is formed between the front wheel 51 and the rear wheel 61, wherein the first distance is larger than the second distance.
The front wheel joint 51 is provided with a wheel shaft 511, and the wheel shaft 511 is required to be vertical to the ground in order to reduce the resistance of the baby stroller in the single-person use state and the double-person use state.
The front wheel joint 51 is rotatably connected to the front frame 11 via a fourth shaft 74, the fourth shaft 74 being perpendicular to the wheel axis 511. The stroller further comprises a second link mechanism, when the stroller is switched between the single use state and the double use state, the second link mechanism can drive the front wheel connector 51 to rotate relative to the front support 11, so that the wheel shaft 511 is perpendicular to the ground in the single use state and the double use state.
Specifically, the second link mechanism includes a front link 8, one end of the front link 8 is rotatably connected to the front seat lever 23 via a fifth shaft 75, and the other end of the front link 8 is rotatably connected to the front wheel joint 51 via a sixth shaft 76. Thus, a four-bar linkage is formed between the front frame 11, the front seat rod 23, the front link 8 and the front wheel connector 51, and when the stroller is switched between the single-use state and the double-use state, and the front frame 11 is driven by the front seat rod 23 to rotate, the front wheel connector 51 can be pulled to rotate relative to the front frame 11 through the four-bar linkage.
The stroller has an unfolded state and a folded state, when the stroller is in the unfolded state and is in a double-use state, most of the upper push rod 132 extends out of the tube cavity of the lower push rod 131; the front seat rod 23 slides forward relative to the rear seat rod 22 to the maximum stroke position, that is, the first protrusion 231 abuts against the front end of the sliding slot 221; the front seat pocket or the front seat plate 21 slides to the maximum stroke position relative to the front seat rod 23, namely the second convex part 232 is abutted against the rear end part of the slot 211; the rear seat plate 31 is positioned behind the front seat pocket or the front seat plate 21; on the front seat post 23, the third shaft 73 is located forward of the fifth shaft 75; in the front wheel joint 51, the fourth shaft 74 is located forward of the sixth shaft 76, as shown in fig. 1 to 3.
When the stroller needs to be switched from the double-use state to the single-use state in the unfolded state, the rear seat plate 31 is rotated downward and forward around the second shaft 72, the front seat pocket or the front seat plate 21 is pulled by the switching link 4 to slide backward relative to the front seat rod 23, when the second protrusion 232 abuts against the front end of the slot 211 and the rear seat plate 31 continues to rotate around the second shaft 72, the front seat pocket or the front seat plate 21 is pulled by the switching link 4 to drive the front seat rod 23 to synchronously slide backward relative to the rear seat rod 22, as shown in fig. 4 to 6, until the first protrusion 231 abuts against the rear end of the sliding slot 221, the stroller is in the single-use state, and at this time, the rear seat plate 31 rotates to be located below the seat rod assembly, as shown in fig. 7 and 8.
When the stroller needs to be switched from a single use state to a double use state in the unfolded state, the rear seat plate 31 rotates backwards and upwards around the second shaft 72, the front seat pocket or the front seat plate 21 is pushed to slide forwards relative to the front seat rod 23 through the switching connecting rod 4, when the second convex part 232 abuts against the rear end part of the slot 211, the rear seat plate 31 continues to rotate around the second shaft 72, the front seat pocket or the front seat plate 21 can be pushed through the switching connecting rod 4 to drive the front seat rod 23 to synchronously slide forwards relative to the rear seat rod 22 until the stroller is in the double use state.
When the children stroller is folded, the children stroller is firstly converted into a single-person using state; folding the front seat pocket as shown in fig. 11 and 12; after the front seat pocket is folded, the stroller frame is folded, when the stroller frame is folded, the upper push rod 132 slides downwards and retracts into the tube cavity of the lower push rod 131, the push rod assembly 13 moves forwards and downwards to be close to the rear support 12, the front support 11 is pulled to rotate backwards to be close to the rear support 12 through the seat rod assembly, the front wheel joint 51 is driven to rotate relative to the front support 11 through a four-bar mechanism formed among the front support 11, the front seat rod 23, the front connecting rod 8 and the front wheel joint 51, the folding process of the stroller frame is shown in fig. 13 and 14 until all the rods forming the stroller frame and all the parts of the stroller are close together, and finally the stroller frame is folded as shown in fig. 15 and 16.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a but children's shallow of one-man and two-man conversion, includes shallow frame, front wheel subassembly and rear wheel subassembly, the shallow frame includes fore-stock, after-poppet, push rod subassembly, side handrail and back connecting rod, the front wheel subassembly sets up the lower part of fore-stock, the rear wheel subassembly sets up the lower part of after-poppet, its characterized in that: two of the three components of the upper part of the front support, the upper part of the rear support and the front part of the side armrest are rotatably connected, the third component is rotatably connected with any one of the two components, or the three components are coaxially and rotatably connected, the rear part of the side armrest is rotatably connected with the push rod assembly, one end part of the rear connecting rod is rotatably connected with the lower part of the push rod assembly, the other end part of the rear connecting rod is rotatably connected with the rear support, the stroller further comprises a rear seat assembly and a front seat assembly which is rotatably connected with the front support and can extend and retract along the front-rear direction, the stroller has a single-person use state and a double-person use state, when the stroller is in a double-person use state, the front seat assembly is positioned in front of the rear seat assembly and extends relatively, and the front seat assembly and the rear seat assembly respectively form a seating area for seating a child, when the stroller is in a single use position, the front seat assembly is relatively shortened, and the front seat assembly forms a seating area for seating a child.
2. The convertible stroller of claim 1, wherein: the front seat assembly comprises a seat rod assembly capable of stretching in the front-back direction, the front portion of the seat rod assembly is connected with the front support in a rotating mode, when the child stroller is converted from a single use state to a double use state, the seat rod assembly extends to enable the front support to drive the front wheel assembly to be away from the rear wheel assembly, and when the child stroller is converted from the double use state to the single use state, the seat rod assembly contracts to enable the front support to drive the front wheel assembly to be close to the rear wheel assembly.
3. The convertible stroller of claim 2, wherein: the seat rod assembly comprises a rear seat rod and a front seat rod, the rear seat rod and the front seat rod extend in the front-rear direction, the front portion of the front seat rod is rotatably connected with the front support, and the front seat rod can be arranged on the rear seat rod in a sliding mode along the length extending direction of the rear seat rod.
4. The convertible stroller of claim 3, wherein: the front seat assembly further comprises a front seat pocket or a front seat board, wherein the front seat pocket or the front seat board is fixedly arranged on the front seat rod, or the front seat pocket or the front seat board can be arranged on the front seat rod in a sliding mode along the front-back direction.
5. The convertible stroller of claim 4, wherein: the front seat pocket or the front seat board can be arranged on the front seat rod in a sliding mode along the front-back direction, when the child stroller is switched from a single use state to a double use state, the front seat pocket or the front seat board slides forwards relative to the front seat rod, and when the child stroller is switched from the double use state to the single use state, the front seat pocket or the front seat board slides backwards relative to the front seat rod.
6. The convertible stroller of claim 3, wherein: the rear seat component comprises a rear seat board, the lower portion of the push rod component, the rear seat board and two components of the three components of the rear seat rod are rotationally connected, the third component is rotationally connected with any one of the two components, or the three components are coaxially rotationally connected, when the stroller is in a single use state, the rear seat board is accommodated below the seat rod component, and when the stroller is in a double use state, the rear seat board is located behind the seat rod component.
7. The convertible stroller of claim 6, wherein: the rear connecting rod, the lower part of the push rod assembly, the rear seat plate and the rear part of the rear seat rod are coaxially and rotatably connected.
8. The convertible stroller of claim 1, wherein: the stroller further comprises a first linkage mechanism for driving the stroller to switch between a double use state and a single use state, the first linkage mechanism being disposed between the front seat assembly and the rear seat assembly.
9. The convertible stroller of claim 8, wherein: the first link mechanism comprises a conversion link, one end of the conversion link is rotatably connected with the front seat assembly, and the other end of the conversion link is rotatably connected with the rear seat assembly.
10. The convertible stroller of claim 1, wherein: the front wheel assembly comprises a front wheel connector and front wheels, the front wheel connector is rotatably connected with the front support, the front wheels can be rotatably arranged on the front wheel connector, the front wheel connector is provided with a wheel shaft, when the stroller is in a single use state and a double use state, the wheel shaft is perpendicular to the ground, the stroller further comprises a second connecting rod mechanism, when the stroller is mutually converted between the single use state and the double use state, the second connecting rod mechanism is used for driving the front wheel connector to rotate relative to the front support so that the wheel shaft is perpendicular to the ground, the second connecting rod mechanism comprises a front connecting rod, one end of the front connecting rod is rotatably connected with the front seat assembly, the other end of the front connecting rod is rotatably connected with the front wheel connector, and the front seat assembly is rotatably connected with the front support.
CN202110398981.XA 2021-04-14 2021-04-14 Child stroller capable of being converted between single person and double persons Active CN113184035B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6676140B1 (en) * 2002-04-19 2004-01-13 Darnell M. Gondobintoro Expandable stroller
US20060290107A1 (en) * 2004-07-30 2006-12-28 Powers Rebecca L Child-scalable stroller
CN202518304U (en) * 2012-03-09 2012-11-07 中山市隆成日用制品有限公司 Baby carriage framework with front-back-retractable positioning mechanism
WO2019168339A1 (en) * 2018-02-27 2019-09-06 주식회사 브랜뉴인터내셔널 Baby carriage having improved convenience of use
CN110758525A (en) * 2019-03-12 2020-02-07 好孩子儿童用品有限公司 Child stroller capable of being converted between single person and double persons
CN211617835U (en) * 2019-12-25 2020-10-02 好孩子儿童用品有限公司 Child stroller capable of being converted between single person and double persons
DE102013022343B3 (en) * 2012-04-10 2020-12-24 Wonderland Nurserygoods Co., Ltd. stroller

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6676140B1 (en) * 2002-04-19 2004-01-13 Darnell M. Gondobintoro Expandable stroller
US20060290107A1 (en) * 2004-07-30 2006-12-28 Powers Rebecca L Child-scalable stroller
CN202518304U (en) * 2012-03-09 2012-11-07 中山市隆成日用制品有限公司 Baby carriage framework with front-back-retractable positioning mechanism
DE102013022343B3 (en) * 2012-04-10 2020-12-24 Wonderland Nurserygoods Co., Ltd. stroller
WO2019168339A1 (en) * 2018-02-27 2019-09-06 주식회사 브랜뉴인터내셔널 Baby carriage having improved convenience of use
US20200406949A1 (en) * 2018-02-27 2020-12-31 Bran-New International Baby carriage having improved convenience of use
CN110758525A (en) * 2019-03-12 2020-02-07 好孩子儿童用品有限公司 Child stroller capable of being converted between single person and double persons
CN211617835U (en) * 2019-12-25 2020-10-02 好孩子儿童用品有限公司 Child stroller capable of being converted between single person and double persons

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