CN108407876B - Child cart - Google Patents

Child cart Download PDF

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Publication number
CN108407876B
CN108407876B CN201810487169.2A CN201810487169A CN108407876B CN 108407876 B CN108407876 B CN 108407876B CN 201810487169 A CN201810487169 A CN 201810487169A CN 108407876 B CN108407876 B CN 108407876B
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China
Prior art keywords
rod
sliding
bar
stroller
rotatably connected
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CN201810487169.2A
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Chinese (zh)
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CN108407876A (en
Inventor
董伟
顾小聪
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN201810487169.2A priority Critical patent/CN108407876B/en
Publication of CN108407876A publication Critical patent/CN108407876A/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
    • B62B7/10Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body
    • B62B7/105Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body with the wheels staying in a fixed relation to each other

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

Abstract

The invention provides a child stroller, which comprises a stroller frame and wheel assemblies, wherein the stroller frame comprises side brackets positioned at the left side and the right side and a connecting frame positioned between the side brackets, each side bracket comprises a bottom rod, a sliding piece, a sliding rod, a lower push rod, a front bracket, an upper bracket and an upper push rod, the sliding piece is movably arranged on the bottom rod along the length direction of the bottom rod, the sliding rod is rotationally connected with the sliding piece, the sliding rod is rotationally connected with the upper bracket, the upper bracket is rotationally connected with the upper push rod, the lower push rod is rotationally connected with the bottom rod, the sliding rod and the upper push rod respectively, and the front bracket is rotationally connected with the bottom rod and the sliding rod respectively; according to the child stroller, the front and back folding of the stroller frame is realized through the driving of the sliding piece arranged on the bottom rod, and the volume of the whole folded child stroller is smaller, so that the child stroller is convenient to transport and store.

Description

Child cart
Technical Field
The invention relates to the field of child carts, in particular to a child cart.
Background
The utility model provides a children's shallow among the prior art, is in including having folding state and the shallow frame of expansion state, setting are in the wheel subassembly of the lower part of shallow frame and be used for with the shallow frame lock is in the locking mechanical system of expansion state, the shallow frame includes right side support, left side support and is used for connecting right side support with the link that can transversely fold of left side support, some self-supporting of shallow frame after folding has been realized, but the volume of its shallow frame after folding is still very big, is inconvenient for transportation.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a child stroller, which has the following technical scheme:
the invention provides a children's barrow, which comprises a barrow frame with an unfolding state and a folding state and a wheel assembly arranged at the lower part of the barrow frame, wherein the barrow frame comprises side brackets positioned at the left side and the right side and a connecting frame positioned between the side brackets at the two sides, the connecting frame is respectively connected with the side brackets at the two sides,
the side brackets at each side comprise a bottom rod, a sliding piece, a sliding rod, a lower push rod, a front bracket, an upper bracket and an upper push rod,
the sliding piece is slidably arranged on the bottom rod along the length direction of the bottom rod; the lower end of the sliding rod is rotationally connected with the sliding piece, the upper end of the sliding rod is rotationally connected with the front end of the upper bracket, and the upper part of the upper bracket is rotationally connected with the upper push rod; the lower push rod is rotationally connected with the slide rod, the upper end of the lower push rod is rotationally connected with the lower end of the upper push rod, and the lower end of the lower push rod is rotationally connected with the bottom rod; the two ends of the front bracket are respectively connected with the front part of the bottom rod and the sliding rod in a rotating way;
the sliding rod, the lower push rod, the upper push rod and the upper support on each side form a four-bar linkage mechanism, the front support, the bottom rod, the sliding rod and the sliding piece on each side form a crank slide block mechanism, and the lower push rod, the bottom rod, the sliding rod and the sliding piece on each side form a crank slide block mechanism.
Preferably, when the cart frame is converted from the unfolded state to the folded state, the upper push rod, the upper bracket, the lower push rod, the front bracket and the slide rod are respectively closed towards the bottom rod, and the slide piece moves backwards along the length direction of the bottom rod.
The connecting frame has the primary function of connecting and supporting the side brackets at two sides, and preferably, the connecting frame can be transversely folded, and the folding of the connecting frame can be earlier than the folding of the side brackets in the front-rear direction, and can be simultaneously folded with the folding of the side brackets in the front-rear direction and later than the folding of the side brackets in the front-rear direction, so that the whole stroller can realize bidirectional folding.
Further preferably, the connecting frame comprises an upper connecting frame, the upper connecting frame comprises a first stay bar and a second stay bar which is intersected with the first stay bar and is rotationally connected at the intersection, one end of the first stay bar is rotationally connected with a right lower push rod in the lower push rods, the other end of the first stay bar is rotationally connected with a left lower push rod in the lower push rods, one end of the second stay bar is rotationally connected with a left lower push rod in the lower push rods, and the other end of the second stay bar is rotationally connected with a right lower rod in the lower push rods; when the cart frame is converted from the unfolded state to the folded state, the upper connecting frame is transversely folded.
Still preferably, the connecting frame further comprises a lower connecting frame, the lower connecting frame comprises a third stay bar and a fourth stay bar which is intersected with the third stay bar and is rotationally connected at the intersection, the rear end of the third stay bar is rotationally connected with a left sliding piece in the sliding pieces, and the front end of the third stay bar is rotationally connected with the front end of the right bottom bar; the rear end of the fourth stay bar is rotationally connected with a right sliding piece in the sliding pieces, and the front end of the fourth stay bar is rotationally connected with the left bottom bar;
when the cart frame is converted from the unfolded state to the folded state, the sliding piece drives the lower connecting frame to be transversely folded, and the side brackets at two sides are mutually closed.
Preferably, the bottom rod comprises a connecting piece and a bottom rod body, the connecting piece is fixedly arranged at the front end of the bottom rod body, and the front support is rotationally connected with the upper end of the connecting piece.
Further preferably, the front end of the bottom bar body is greater than the rear end of the bottom bar body is greater than the ground.
Further preferably, the wheel assembly includes a front wheel assembly connected to an outer side of the connecting member and a rear wheel assembly connected to an outer side of the bottom bar body.
Still preferably, the side bracket of each side further comprises a seat rod and a seat rod sliding sleeve slidably arranged along the length direction of the seat rod, the seat rod sliding sleeve is rotatably connected with the upper bracket, and the seat rod is rotatably connected with the lower push rod.
Further preferably, the longitudinal direction of the bottom rod, the longitudinal direction of the push-down rod, the longitudinal direction of the front bracket, the longitudinal direction of the upper bracket, and the longitudinal direction of the push-up rod on each side are respectively located in the same plane.
The technical scheme provided by the invention has the following beneficial effects:
according to the child stroller, the front and back folding of the stroller frame is realized through the driving of the sliding piece arranged on the bottom rod, and the volume of the whole folded child stroller is smaller, so that the child stroller is convenient to transport and store.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a child stroller provided by the present invention in an expanded state;
FIG. 2 is a side view of the child stroller provided by the present invention in an expanded state;
FIG. 3 is a perspective view of the child stroller provided by the present invention during folding;
FIG. 4 is a side view of the child stroller provided by the present invention during folding;
FIG. 5 is a perspective view of the child stroller provided by the present invention in a collapsed condition;
FIG. 6 is a side view of the child stroller provided by the present invention in a collapsed condition;
fig. 7 is a top view of the stroller provided by the present invention in a folded state.
Wherein, the reference numerals are as follows: 1-left side bracket; 11-left bottom bar; 12-left slider; 13-left slide bar; 14-left push rod; 15-left front support; 16-upper left rack; 17-left seat bar; 18-left seat rod sliding sleeve; 19-upper left push rod; 2-right side brackets; 21-right bottom bar; 22-right slider; 23-right slide bar; 24-right push rod; 25-right front support; 26-upper right rack; 27-right seat bar; 28-a right seat bar sliding sleeve; 29-upper right pushrod; 41-upper connection rack; 411-first stay; 412-a second brace; 42-lower connecting frame; 421-third struts; 422-fourth struts; 101-a connector; 102-a sill bar body; 61-a wheel assembly; 611-a front wheel assembly; 612-rear wheel assembly; 91-handle bar.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or device.
As shown in fig. 1 to 7, the present embodiment provides a stroller comprising a stroller frame having an unfolded state and a folded state, a wheel assembly 61 provided at a lower portion of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state, the stroller frame comprising side frames on left and right sides and a connecting frame between the side frames on both sides capable of being folded laterally, the side frames comprising a left side frame 1 and a right side frame 2, the connecting frame comprising an upper connecting frame 41 and a lower connecting frame 42 connected with the side frames on both sides respectively,
the side brackets on each side comprise a bottom rod, a sliding piece, a sliding rod, a lower push rod, a front bracket, an upper bracket, a seat rod bottom rod and an upper push rod, specifically, the left side bracket 1 comprises a left bottom rod 11, a left sliding piece 12, a left sliding rod 13, a left lower push rod 14, a left front bracket 15, a left upper bracket 16, a left seat rod 17, a left seat rod sliding sleeve 18 and a left upper push rod 19, the right side bracket 2 comprises a right bottom rod 21, a right sliding piece 22, a right sliding rod 23, a right lower push rod 24, a right front bracket 25, a right upper bracket 26, a right seat rod 27, a right seat rod sliding sleeve 28 and a right upper push rod 29, and the left side bracket 1 and the right side bracket 2 are symmetrically distributed relative to the central axis of the front-rear direction of the children's carriage.
For the left side bracket 1, the left bottom rod 11 comprises a connecting piece 101 and a bottom rod body 102, the middle upper part of the connecting piece 101 is fixedly connected with the front end of the bottom rod body 102, the connecting piece 101 is vertically arranged, the height from the ground of the front end of the bottom rod body 102 is greater than the height from the ground of the rear end of the bottom rod body 102, the wheel assembly 61 comprises a front wheel assembly 611 and a rear wheel assembly 612, the front wheel assembly 611 is arranged at the lower end of the connecting piece 101 along the left-right direction outer side, and the rear wheel assembly 612 is arranged at the rear end of the bottom rod body 102 along the left-rear direction outer side.
The upper end of the connecting member 101 is provided with a groove in the front-rear direction of the stroller for connecting the left front bracket 15. The front end of the left front bracket 15 is provided with a connecting ring which is matched with the groove, penetrates through the groove and is in rotary connection with the connecting piece 101 through a rotary shaft.
The left sliding piece 12 is a sliding sleeve movably arranged on the outer side wall of the left bottom rod 11 along the length direction of the left bottom rod 11, the lower end of the left sliding rod 13 is rotationally connected with a convex part of the upper side wall of the left sliding piece 12, the outer side wall of the upper end of the left sliding rod 13 is rotationally connected with the inner side wall of the front end of the left upper bracket 16 through a connecting sheet, and the outer side wall of the upper end of the left upper bracket 16 is rotationally connected with the outer side wall of the left upper push rod 19 through a connecting sheet; the inner side wall of the lower end of the left lower push rod 14 is rotationally connected with the inner side wall of the left bottom rod 11 around a first shaft through a connecting sheet, the inner side wall of the left lower push rod 14 is rotationally connected with the outer side wall of the left slide rod 13 around a second shaft, and the lower end of the left upper push rod 19 is rotationally connected with the upper end of the left lower push rod 14; the inside wall of the upper end of the left front bracket 15 is rotationally connected with the outside wall of the slide bar 13 around a third shaft, the third shaft is positioned above the second shaft, the left sliding piece 12 is arranged between the first shaft and the rear end of the bottom bar body 102, the left slide bar 13, the left lower push bar 14, the left upper bracket 16 and the left upper push bar 19 form a four-bar linkage, the left front bracket 15, the left bottom bar 11, the left sliding piece 12 and the left slide bar 13 form a crank sliding block mechanism, and the left lower push bar 14, the left slide bar 13, the left bottom bar 11 and the left sliding piece 12 form a crank sliding block mechanism. By the arrangement, the length direction of the left bottom rod 11, the length direction of the left lower push rod 14, the length direction of the left front bracket 15, the length direction of the left upper bracket 16 and the length direction of the left upper push rod 19 are positioned in the same plane, and vector lines of the front and rear directions of the baby stroller are also positioned in the plane; the left slide bar 13 is located on the side of the plane near the right side bracket 2.
The outer side wall of the rear end of the left seat bar 17 is rotatably connected with the inner side wall of the upper part of the left push rod 14 through a connecting sheet, the outer side wall of the left seat bar sliding sleeve 18 is rotatably connected with the inner side wall of the lower position of the middle part of the upper bracket 16, and the left seat bar 17 is slidably arranged in the left seat bar sliding sleeve 18 along the length direction.
The upper end of the upper left push rod 19 is provided with a handle 91, the handle 91 is positioned between the side brackets on two sides, the length direction of the handle 91 and the included angle of the front and rear directions of the cart frame form an acute angle, and the length direction of the handle 91 is perpendicular to the length direction of the upper left push rod 19.
For the right bracket 2, the components are arranged symmetrically with respect to the left bracket 1, so that the relative positions and connection relationships thereof correspond to those of the left bracket 1 at the corresponding positions, and will not be described herein.
The connecting frame between the two side brackets comprises an upper connecting frame 41 and a lower connecting frame 42, wherein the upper connecting frame 41 comprises a first stay bar 411 and a second stay bar 412 which is intersected with the first stay bar 411 and is rotationally connected at the intersection, one end of the first stay bar 411 is rotationally connected with the right lower push rod 24 around four-one shafts, the other end of the first stay bar 411 is rotationally connected with the left bottom rod 11 around four-two shafts, one end of the second stay bar 412 is rotationally connected with the left lower push rod 14 around four-one shafts, the other end of the second stay bar 412 is rotationally connected with the right bottom rod 21 around four-four shafts, and the axes of the four-one shafts, the axes of the four-two shafts and the axes of the four-four shafts extend along the left and right directions of the cart frame respectively; the four-one shaft and the four-one shaft are respectively coaxial with the rotating shaft between the seat rod and the lower push rod at the corresponding positions, and the four-two shaft and the four-one shaft are respectively coaxial with the rotating shaft between the front support and the bottom rod at the corresponding positions.
The lower connecting frame 42 comprises a third supporting rod 421 and a fourth supporting rod 422 which is intersected with the third supporting rod 421 and is rotationally connected at the intersection, the rear end of the third supporting rod 421 is rotationally connected with the inner side wall of the left sliding piece 12 around a four-two-one axis, and the front end of the third supporting rod 421 is rotationally connected with the right bottom rod 21 around a four-two axis; the rear end of the fourth stay bar 422 is rotationally connected with the inner side wall of the right sliding piece 22 around four two three axes, the front end of the fourth stay bar 422 is rotationally connected with the left bottom bar 11 around four two four axes, and the axis of the four two axes, the axis of the four two three axes and the axis of the four two four axes extend along the left-right direction of the cart frame respectively; wherein the four-two-shaft and the four-two-four-shaft are respectively positioned below the four-one-four-shaft and the four-two-shaft at the corresponding positions, and the lower connecting piece 42 and the bottom rods 11 and 12 are positioned in the same plane.
When the trolley frame is in the unfolded state, the slide members 12,22 are positioned close to the front of the bottom bars 11,21, the lower push bars 14,24 are positioned on the same line as the upper push bars 19,29, and the angle between the seat bars 17,27 and the lower push bars 14,24 is approximately 90 deg., as shown in fig. 1-2.
As shown in fig. 3-4, when the frame of the cart is converted from the unfolded state to the folded state, the upper push rods 19,29 are folded forward and downward to drive the upper brackets 16,26, the lower push rods 14,24 and the front brackets 15,25 to be folded backward and downward, and the slide rods 13,23 are simultaneously folded forward and downward to enable the upper push rods 19,29, the upper brackets 16,26, the slide rods 13,23, the lower push rods 14,24 and the front brackets 15,25 to be respectively closed to the bottom rods 11, 21; the upper connecting frame 41 is folded transversely; the sliding parts 12 and 22 move backwards along the length direction of the bottom rods 11 and 21, the connecting frame 42 is driven by the sliding parts 12 and 22 to be folded transversely, and the side brackets 1 and 2 on the two sides are mutually closed.
As shown in fig. 5-7, when the stroller frame is in a folded state, the side brackets 1,2 on both sides are close together and the distance between the two side brackets is closest, the upper push rods 19,29, the upper brackets 16,26, the front brackets 15,25 and the lower push rods 14,24 are sequentially stacked above the bottom rods 11,21 from top to bottom, the projection of the lower connecting frame 42 on the horizontal plane is mostly overlapped with the projection of the upper connecting frame 41 on the horizontal plane, the length direction of the seat rods 17,27 is parallel to the length direction of the upper brackets 16,26, the handle 91 is buckled in front of the connecting piece 101, and the whole stroller still depends on the wheel assembly to realize self-standing.
Further, the above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention, so any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A children's barrow, comprising a barrow frame with an unfolding state and a folding state and a wheel assembly (61) arranged at the lower part of the barrow frame, characterized in that the barrow frame comprises side brackets (1, 2) positioned at the left side and the right side and a connecting frame positioned between the side brackets (1, 2) at the two sides, the connecting frame is respectively connected with the side brackets (1, 2) at the two sides,
the side brackets on each side comprise a bottom bar (11, 21), a sliding piece (12, 22), a sliding bar (13, 23), a lower push bar (14, 24), a front bracket (15, 25), an upper bracket (16, 26) and an upper push bar (19, 29),
the slider (12, 22) is slidably provided on the bottom bar (11, 21) in a length direction of the bottom bar (11, 21); the lower end of the sliding rod (13, 23) is rotatably connected with the sliding piece (12, 22), the upper end of the sliding rod (13, 23) is rotatably connected with the front end of the upper bracket (16, 26), and the upper part of the upper bracket (16, 26) is rotatably connected with the upper push rod (19, 29); the lower push rod (14, 24) is rotatably connected with the slide rod (13, 23), the upper end of the lower push rod is rotatably connected with the lower end of the upper push rod (19, 29), and the lower end of the lower push rod is rotatably connected with the bottom rod (11, 21); both ends of the front bracket (15, 25) are respectively connected with the front part of the bottom rod (11, 21) and the sliding rod (13, 23) in a rotating way;
the slide bars (13, 23), the lower push bars (14, 24), the upper push bars (19, 29) and the upper brackets (16, 26) on each side form a four-bar linkage, the front brackets (15, 25), the bottom bars (11, 21), the slide bars (13, 23) and the sliding pieces (12, 22) on each side form a crank block mechanism, and the lower push bars (14, 24), the bottom bars (11, 21), the slide bars (13, 23) and the sliding pieces (12, 22) on each side form a crank block mechanism.
2. The stroller of claim 1, wherein: when the cart frame is converted from the unfolded state to the folded state, the upper push rods (19, 29), the upper brackets (16, 26), the lower push rods (14, 24), the front brackets (15, 25) and the slide rods (13, 23) are respectively close to the bottom rods (11, 21), and the sliding pieces (12, 22) move backwards along the length direction of the bottom rods (11, 21).
3. The stroller of claim 1, wherein: the connecting frame can be transversely folded.
4. A stroller according to claim 3, wherein: the connecting frame comprises an upper connecting frame (41), the upper connecting frame (41) comprises a first supporting rod (411) and a second supporting rod (412) which is intersected with the first supporting rod (411) and is rotatably connected at the intersection, one end of the first supporting rod (411) is rotatably connected with a right lower pushing rod (24) in the lower pushing rods (14, 24), the other end of the first supporting rod (411) is rotatably connected with a left lower pushing rod (11) in the bottom rods (11, 21), one end of the second supporting rod (412) is rotatably connected with a left lower pushing rod (14) in the lower pushing rods (14, 24), and the other end of the second supporting rod (412) is rotatably connected with a right bottom rod (21) in the bottom rods (11, 21); the upper link (41) is folded laterally when the stroller frame is transitioned from the unfolded state to the folded state.
5. The stroller of claim 4, wherein: the connecting frame further comprises a lower connecting frame (42), the lower connecting frame (42) comprises a third supporting rod (421) and a fourth supporting rod (422) which is intersected with the third supporting rod (421) and is rotationally connected at the intersection, the rear end of the third supporting rod (421) is rotationally connected with the left sliding piece (12) in the sliding pieces (12, 22), and the front end of the third supporting rod (421) is rotationally connected with the front end of the right bottom rod (21); the rear end of the fourth supporting rod (422) is rotationally connected with the right sliding part (22) in the sliding parts (12, 22), and the front end of the fourth supporting rod (422) is rotationally connected with the left bottom rod (11); when the cart frame is switched from the unfolded state to the folded state, the sliding parts (12, 22) drive the lower connecting frame (42) to be transversely folded, and the side brackets (1, 2) on the two sides are mutually closed.
6. The stroller of claim 1, wherein: the bottom rod (11, 21) comprises a connecting piece (101) and a bottom rod body (102), the connecting piece (101) is fixedly arranged at the front end of the bottom rod body (102), and the front brackets (15, 25) are rotatably connected with the upper end of the connecting piece (101).
7. The stroller of claim 6, wherein: the height of the front end of the bottom rod body (102) from the ground is larger than the height of the rear end of the bottom rod body (102) from the ground.
8. The stroller of claim 6, wherein: the wheel assembly (61) comprises a front wheel assembly (611) and a rear wheel assembly (612), the front wheel assembly (611) is connected with the outer side of the connecting piece (101), and the rear wheel assembly (612) is connected with the outer side of the bottom rod body (102).
9. The stroller of claim 1, wherein: the side brackets (1, 2) on each side further comprise seat bars (17, 27) and seat bar sliding sleeves (18, 28) which are slidably arranged along the length direction of the seat bars (17, 27), the seat bar sliding sleeves (18, 28) are rotatably connected with the upper brackets (16, 26), and the seat bars (17, 27) are rotatably connected with the lower push rods (14, 24).
10. The stroller of claim 1, wherein: the longitudinal direction of the bottom bar (11, 21), the longitudinal direction of the lower push bar (14, 24), the longitudinal direction of the front bracket (15, 25), the longitudinal direction of the upper bracket (16, 26) and the longitudinal direction of the upper push bar (19, 29) on each side are respectively located in the same plane.
CN201810487169.2A 2018-05-21 2018-05-21 Child cart Active CN108407876B (en)

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CN109733455B (en) * 2019-01-11 2024-05-10 好孩子儿童用品有限公司 Child cart

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