CN107985378B - Child cart - Google Patents
Child cart Download PDFInfo
- Publication number
- CN107985378B CN107985378B CN201711210258.4A CN201711210258A CN107985378B CN 107985378 B CN107985378 B CN 107985378B CN 201711210258 A CN201711210258 A CN 201711210258A CN 107985378 B CN107985378 B CN 107985378B
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- Prior art keywords
- stroller
- support
- wheel assembly
- push rod
- assembly
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- 230000007246 mechanism Effects 0.000 claims description 52
- 230000007306 turnover Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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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
- B62B7/06—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
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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
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
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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 discloses a baby stroller, which comprises a stroller frame with unfolding and folding states, wherein the stroller frame comprises a front bracket, a rear bracket, a push rod assembly, a stay bar and a connecting piece, wherein the connecting piece is fixedly connected with one of the front bracket, the rear bracket and the push rod assembly and is rotationally connected with the other two components, the stay bar is respectively rotationally connected with the push rod assembly and the rear bracket, and when the baby stroller is in the folding state, the front bracket, the rear bracket and the push rod assembly are positioned in the same plane; or two parts of the front bracket, the rear bracket and the push rod assembly are positioned in the same plane, and the plane of the third part is parallel to the plane of two parts of the three parts. The child stroller is simple in structure, convenient to unfold and fold, and convenient to carry and store, and the folded child stroller is flat and compact in structure and small in size.
Description
Technical Field
The invention relates to the technical field of children products, in particular to a child trolley.
Background
The child stroller in the prior art comprises a stroller frame with an unfolding position and a folding position, a front wheel assembly and a rear wheel assembly arranged at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolding state. The existing children's carts are various in variety, the number of cart frame members is different, and the connection positions among the members are different, so that the folding principle, the folding mode and the folding effect are different.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an improved child stroller.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The baby stroller comprises a stroller frame with an unfolding state and a folding state, a front wheel assembly arranged at the front bottom part of the stroller frame, a rear wheel assembly arranged at the rear bottom part of the stroller frame and a locking mechanism for locking the stroller frame in the unfolding state, wherein the stroller frame comprises a front bracket, a rear bracket, a push rod assembly, a support rod and a connecting piece, the front bracket is used for mounting the front wheel assembly, the rear bracket is used for mounting the rear wheel assembly, the connecting piece is fixedly connected with one of the three components of the front bracket, the rear bracket and the push rod assembly, and is rotationally connected with the other two components, the support rod is respectively rotationally connected with the push rod assembly and the rear bracket, and when the baby stroller is in the folding state, the three components of the front bracket, the rear bracket and the push rod assembly are positioned in the same plane; or two parts of the front bracket, the rear bracket and the push rod assembly are positioned in the same plane, and the plane of the third part is parallel to the plane of two parts of the three parts.
Preferably, the front bracket comprises a first cross bar connected with the connecting piece, the rear bracket comprises a second cross bar connected with the connecting piece, the push rod assembly comprises a third cross bar connected with the connecting piece, and the first cross bar, the second cross bar and the third cross bar are arranged in parallel.
Preferably, when the stroller is in a folded state, the front bracket is accommodated inside the rear bracket, the front bracket and the rear bracket are positioned in the same plane, and the plane of the push rod assembly is parallel to the planes of the front bracket and the rear bracket; or the front support is accommodated in the inner side of the rear support, the rear support is accommodated in the inner side of the push rod assembly, and the front support, the rear support and the push rod assembly are positioned in the same plane.
Preferably, the front wheel assembly is rotatably arranged at the bottom of the front bracket, the rear wheel assembly is rotatably arranged at the bottom of the rear bracket, the child stroller further comprises a driving mechanism, the driving mechanism is respectively arranged between the front bracket and the front wheel assembly and between the rear bracket and the rear wheel assembly, and when the stroller frame is folded, a rod piece forming the stroller frame is overturned to drive the front wheel assembly and the rear wheel assembly to rotate towards the inner side of the stroller frame respectively.
Further, the front wheel assembly includes a front wheel joint rotatably disposed at a bottom of the front bracket and a front wheel rotatably disposed at the front wheel joint through a front wheel shaft, and the rear wheel assembly includes a rear wheel joint rotatably disposed at a bottom of the rear bracket and a rear wheel rotatably disposed at the rear wheel joint through a rear wheel shaft, and when the stroller is in an unfolded state, the axial lines of the front wheel shaft and the rear wheel shaft all extend in a left-right direction, and when the stroller is in a folded state, the axial lines of the front wheel shaft and the rear wheel shaft all extend in a front-rear direction.
Further, the driving mechanism comprises a connecting shaft which can be respectively and rotatably arranged on the front support and the rear support, a sliding piece which can be slidably arranged on the connecting shaft, and a traction rope, wherein the front wheel assembly is fixedly connected with the connecting shaft, the sliding piece is matched with the connecting shaft, one end part of the traction rope is fixedly connected with the sliding piece, the other end part of the traction rope is respectively and fixedly connected with a part which is rotationally connected with the front support/the rear support, when the trolley frame is folded, the traction rope is tensioned, the traction rope pulls the sliding piece to slide, and the connecting shaft is respectively driven to rotate relative to the front support and the rear support through the cooperation of the sliding piece and the connecting shaft, so that the front wheel assembly and the rear wheel assembly are respectively overturned towards the inner side of the trolley frame.
Further, the driving mechanism comprises universal flexible shafts which can be respectively and rotatably arranged in the front support and the rear support, one end parts of the universal flexible shafts are respectively and fixedly connected with the front wheel assembly and the rear wheel assembly, the other end parts of the universal flexible shafts are respectively and fixedly connected with parts which are rotatably connected with the front support/the rear support, and when the cart frame is folded, the universal flexible shafts are driven to respectively rotate relative to the front support and the rear support so as to drive the front wheel assembly and the rear wheel assembly to respectively overturn towards the inner side of the cart frame.
Preferably, the cart frame further comprises a seat rod and a swinging member, wherein the swinging member is rotatably arranged on the push rod assembly, and the seat rod is respectively and rotatably connected with the swinging member and the supporting rod.
Preferably, the child stroller further comprises an unlocking mechanism for unlocking the locking mechanism, a handle is arranged on the connecting piece and connected with the unlocking mechanism, and when the handle is lifted upwards, the unlocking mechanism is used for driving the locking mechanism to unlock, and the child stroller can be folded.
Preferably, the connecting piece is fixedly connected with the front bracket.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the child stroller disclosed by the invention is simple in structure, convenient to unfold and fold, compact in structure, small in size and convenient to carry and store, and the folded child stroller is flat.
Drawings
FIG. 1 is a perspective view of a stroller of the present invention in an expanded state;
FIG. 2 is a side view of the stroller of the present invention in an expanded state;
FIG. 3 is a schematic view of the driving mechanism at the front wheel assembly of the present invention (embodiment 1);
FIG. 4 is a schematic view of the drive mechanism at the rear wheel assembly of the present invention (embodiment 1);
FIG. 5 is a schematic view of the driving mechanism at the front wheel assembly of the present invention (embodiment 2);
FIG. 6 is a schematic structural view of the driving mechanism at the rear wheel assembly of the present invention (embodiment 2);
FIG. 7 is a perspective view of the child stroller of the present invention during folding;
FIG. 8 is a perspective view of the child stroller of the present invention in a collapsed condition;
fig. 9 is a side view of the stroller of the present invention in a collapsed condition.
Wherein: 1. a cart frame; 11. a front bracket; 111. a front strut; 112. a first cross bar; 12. a rear bracket; 121. a rear strut; 122. a second cross bar; 13. a push rod assembly; 131. a push rod is downwards pushed; 131a, lower push rod struts; 131b, a third cross bar; 132. an upper push rod; 132a, upper push rod strut; 132b, a fourth cross bar; 14. a brace rod; 15. a connecting piece; 16. a seat rod; 17. a swinging member; 21. a front wheel joint; 22. a front wheel; 23. a front axle; 31. a rear wheel joint; 32. a rear wheel; 33. a rear axle; 41. A connecting shaft; 411. a guide groove; 42. a slider; 421. a guide post; 43. a traction cable; 51. universal flexible shaft.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
As shown in fig. 1,2, and 7 to 9, the child stroller of the present invention includes a stroller frame 1 having an unfolded and folded state, a front wheel assembly provided at a bottom front portion of the stroller frame 1, a rear wheel assembly provided at a bottom rear portion of the stroller frame 1, and a locking mechanism for locking the stroller frame 1 in the unfolded state.
The trolley frame 1 comprises a front support 11, a rear support 12, a push rod assembly 13, a stay bar 14 and a connecting piece 15, wherein the front wheel assembly is arranged at the bottom of the front support 11, the rear wheel assembly is arranged at the bottom of the rear support 12, the connecting piece 15 is fixedly connected with one of the three components of the front support 11, the rear support 12 and the push rod assembly 13, and is rotationally connected with the other two components, and the stay bar 14 is respectively rotationally connected with the push rod assembly 13 and the rear support 12. When the cart frame 1 is in a folded state, the three components of the front bracket 11, the rear bracket 12 and the push rod assembly 13 are positioned in the same plane; or two parts of the front support 11, the rear support 12 and the push rod assembly 13 are positioned in the same plane, and the plane of the third part is parallel to the plane of two parts of the three parts, so that the baby stroller is flat after being folded, and has a compact structure and a small volume. In this embodiment, the connecting member 15 is fixedly connected to the front bracket 11, and the connecting member 15 is rotatably connected to the rear bracket 12 and the push rod assembly 13, respectively.
The trolley frame also comprises a seat bar 16 and a swinging member 17, wherein the swinging member 17 is rotatably arranged on the push rod assembly 13, and the seat bar 16 is respectively and rotatably connected with the swinging member 17 and the stay bar 14. The children can sit and stand by arranging the cloth cover on the seat rod 16; of course, the child stroller may be provided with a socket for mounting the child seat pocket on the stroller frame 1 without providing the seat rod 16 and the swinging member 17, so that the child seat pocket may be connected to the stroller frame 1 through the socket for sitting and standing of the child.
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 along a length extension direction of the lower push rod 131, and a lower portion of the lower push rod 131 is rotatably coupled with an upper portion of the front bracket 11. Thus, when the stroller is folded, the upper push rod 132 can slide downwards relative to the lower push rod 131 to be folded with the lower push rod 131, so that the volume of the folded stroller is smaller.
The front bracket 11 comprises front struts 111 respectively located on the left side and the right side of the cart frame 1, and first cross bars 112 with two ends fixedly connected with the front struts 111 on the left side and the right side respectively, and the first cross bars 112 are connected with the front struts 111 on the two sides to form a U-shaped structure with an opening facing forward and facing downward. The rear bracket 12 comprises rear struts 121 respectively positioned at the left side and the right side of the cart frame 1, and second cross bars 122 respectively fixedly connected with the rear struts 121 at the left side and the right side at the two ends, and the second cross bars 122 are connected with the rear struts 121 at the two sides to form a U-shaped structure with an opening facing backwards and downwards. The lower push rod 131 comprises lower push rod struts 131a respectively positioned at the left side and the right side of the cart frame 1 and a third cross rod 131b with two ends fixedly connected with the lower push rod struts 131a at the left side and the right side respectively, and the third cross rod 131b is connected with the lower push rod struts 131a at the two sides to form a U-shaped structure with an upward opening and a backward opening. The upper push rod 132 comprises upper push rod supporting rods 132a respectively positioned at the left side and the right side of the cart frame 1 and a fourth cross rod 132b with two ends fixedly connected with the upper push rod supporting rods 132a at the left side and the right side respectively, and the fourth cross rod 132b is connected with the upper push rod supporting rods 132a at the two sides to form a U-shaped structure with an opening facing downwards and frontward. The U-shaped structure of the lower push rod 131 is connected with the U-shaped structure of the upper push rod 132 to form the push rod assembly 13 into a closed frame-shaped structure. The swinging member 17 is rotatably sleeved on the third cross bar 131b, and the stay bar 14 is rotatably connected with the lower push rod support bar 131 a.
The first rail 112, the second rail 122, and the third rail 131b are disposed in parallel, and the first rail 112, the second rail 122, and the third rail 131b are connected to the connecting member 15, respectively. Specifically, in this embodiment, the connecting member 15 is provided with a first shaft hole, a second shaft hole and a third shaft hole, when the stroller is in the unfolded state, the second shaft hole is located above the first shaft hole, the third shaft hole is located at the rear of the second shaft hole, the first cross rod 112 is inserted into the first shaft hole, the first cross rod 112 is relatively fixed to the connecting member 15, the second cross rod 122 can be rotatably inserted into the second shaft hole, and the third cross rod 131b can be rotatably inserted into the third shaft hole.
The front wheel assembly includes a front wheel joint 21 and a front wheel 22, the front wheel joint 21 being rotatably provided at the bottom of the front bracket 11, the front wheel 22 being rotatably provided on the front wheel joint 21 through a front wheel shaft 23. The rear wheel assembly includes a rear wheel joint 31 and a rear wheel 32, the rear wheel joint 31 being rotatably provided at the bottom of the rear bracket 12, the rear wheel 32 being rotatably provided on the rear wheel joint 31 through a rear wheel shaft 33.
The baby stroller further comprises a driving mechanism which is respectively arranged between the front support 11 and the front wheel assembly and between the rear support 12 and the rear wheel assembly, and when the stroller frame 1 is folded, the front wheel assembly and the rear wheel assembly can be driven to turn over towards the inner side of the stroller frame 1 through the driving mechanism, so that the folded baby stroller is flat, compact in structure and small in size.
Two specific examples of drive mechanisms are given below:
Example 1
As shown in fig. 3 and 4, the driving mechanism includes a connecting shaft 41 rotatably provided on the front bracket 11 and the rear bracket 12, a slider 42 slidably provided on the connecting shaft 41, and a traction cable 43, the connecting shaft 41 being fixedly connected with the front wheel joint 21 and the rear wheel joint 31, respectively, the connecting shaft 41 being fitted with the slider 42, one end portion of the traction cable 43 being fixedly connected to the slider 42, and the other end portion of the traction cable 43 being fixedly connected to a member rotatably connected to the front bracket 11/the rear bracket 12, respectively. When the cart frame 1 is folded, the traction rope 43 is tensioned, the traction rope 43 pulls the sliding piece 42 to slide on the connecting shaft 41, the connecting shaft 41 rotates through the cooperation of the connecting shaft 41 and the sliding piece 42, and accordingly the front wheel assembly and the rear wheel assembly are driven to synchronously rotate along with the connecting shaft 41 and turn over to the inner side of the cart frame 1.
In this embodiment, the front bracket 11, the rear bracket 12 and the connecting shaft 41 have lumens, the connecting shaft 41 is respectively located in the lumens of the front bracket 11 and the rear bracket 12, the sliding member 42 is located in the lumen of the connecting shaft 41, and the inner profile of the connecting shaft 41 is matched with the sliding member 42 through spiral inclined surfaces. The other end of the traction cable 43 in the front bracket 11 is fixedly connected to the rear bracket 12, and the other end of the traction cable 43 in the rear bracket 12 is fixedly connected to the front bracket 11.
The rotary drive mechanism in this embodiment further includes a guide structure for providing guidance when the slider 42 slides relative to the connecting shaft 41. Specifically, the guide structure includes a guide slot 411 disposed on one of the two parts of the connection shaft 41 or the slider 42, and a guide post 421 engaged with the guide slot is disposed on the other of the two parts of the connection shaft 41 or the slider 42, and the guide post 421 is disposed in the guide slot 411 in a penetrating manner and is slidably disposed along a length extending direction of the guide slot 411.
The drive mechanism further includes an elastic member (not shown) for urging the slider 42 to slide in a reverse direction when the stroller is unfolded, thereby reversely rotating the connecting shaft 41 so that the front wheel assembly and the rear wheel assembly are reversely rotated to a use state. In this embodiment, the elastic member is a tension spring, one end of which is fixedly disposed on the slider 42, and the other end of which is fixedly disposed on the front wheel joint 21 and the rear wheel joint 31, respectively.
Example 2
As shown in fig. 5 and 6, the driving mechanism includes a universal-joint flexible shaft 51 rotatably provided on the front bracket 11 and the rear bracket 12, respectively, one end portion of the universal-joint flexible shaft 51 is fixedly connected to the front wheel joint 21 and the rear wheel joint 31, respectively, and the other end portion of the universal-joint flexible shaft 51 is fixedly connected to the member rotatably connected to the front bracket 11/the rear bracket 12, respectively. When the universal flexible shaft 51 is rotated when the cart frame 1 is folded, the front wheel assembly and the rear wheel assembly are rotated synchronously along with the universal flexible shaft 51 to turn over to the inner side of the cart frame 1.
In this embodiment, when the stroller is unfolded, the components rotatably connected to the front support 11/rear support 12 rotate in opposite directions, so as to drive the universal flexible shaft 51 to rotate in opposite directions, and thus the front wheel assembly and the rear wheel assembly rotate synchronously with the universal flexible shaft 51 to be in a use state.
In this embodiment, the front bracket 11 and the rear bracket 12 each have a lumen, the flexible shaft 51 is respectively located in the lumens of the front bracket 11 and the rear bracket 12, the other end of the flexible shaft 51 located in the front bracket 11 is fixedly connected to the rear bracket 12, and the other end of the flexible shaft 51 located in the rear bracket 12 is fixedly connected to the front bracket 11.
The locking mechanism comprises a first locking mechanism for locking the relative positions of the upper push rod 132 and the lower push rod 131, and a second locking mechanism for locking the positions of two parts which are connected in any rotation in the front bracket 11, the rear bracket 12, the lower push rod 131, the stay rod 14, the connecting piece 15, the seat rod 16 and the swinging piece 17, the baby stroller further comprises a first unlocking mechanism for unlocking the first locking mechanism and a second unlocking mechanism for unlocking the second locking mechanism, a handle is arranged on the connecting piece 15, the handle is connected with the second unlocking mechanism, and when the handle is lifted upwards, the second locking mechanism is unlocked, and the stroller frame 1 can be folded, so that the baby stroller frame can be folded once lifted. The specific structures of the first locking mechanism, the second locking mechanism, the first unlocking mechanism and the second unlocking mechanism are not the technical points to be protected in the patent, and all the structures in the prior art can be adopted.
When the stroller is in the unfolded state, the first locking mechanism and the second locking mechanism are both in the locked state, and the axial lines of the front axle 23 and the rear axle 33 are both extended in the left-right direction, as shown in fig. 1 and 2.
When the child stroller is folded, the first unlocking mechanism is operated to unlock the first locking mechanism, so that the upper push rod 132 slides downwards to retract into the cavity of the lower push rod 131; then lifting the handle upwards to unlock the second locking mechanism, the push rod assembly 13 downwards overturns under the action of self gravity, the support rod 14 drives the rear support 12 to forwards overturne and close to the front support 11, and the front support 11 backwards overturns and closes to the rear support 12 until the front support 11 is accommodated in the rear support 12, the front support 11 and the rear support 12 are positioned in the same plane, and the plane of the push rod assembly 13 is parallel to the planes of the front support 11 and the rear support 12; when the front bracket 11 and the rear bracket 12 are overturned and close, the connecting shaft 41 or the universal flexible shaft 51 positioned in the front bracket 11 and the rear bracket 12 is driven by the driving mechanism to rotate, so that the front wheel assembly and the rear wheel assembly synchronously rotate along with the connecting shaft 41 or the universal flexible shaft 51 respectively, and the front wheel assembly and the rear wheel assembly are overturned towards the inner side of the trolley frame 1, as shown in fig. 7, and finally folded as shown in fig. 8 and 9. When the stroller is in a folded condition, the axes of the front axle 23 and the rear axle 33 both extend in a front-to-rear direction, and the front wheels 22 are located above the rear wheels 32. The folded baby stroller is flat, compact in structure, small in size and convenient to carry and store.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (9)
1. A child stroller comprising a stroller frame having an unfolded and folded configuration, a front wheel assembly disposed at a bottom front portion of the stroller frame, a rear wheel assembly disposed at a bottom rear portion of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded configuration, characterized in that: the trolley frame comprises a front support, a rear support, a push rod assembly, a supporting rod and a connecting piece, wherein the front support is used for installing the front wheel assembly, the rear support is used for installing the rear wheel assembly, the connecting piece is fixedly connected with the front support, the rear support and the push rod assembly are respectively and rotatably connected with the connecting piece, the supporting rod is respectively and rotatably connected with the push rod assembly and the rear support, and when the trolley is in a folded state, the front support, the rear support and the push rod assembly are in the same plane; or two parts of the front bracket, the rear bracket and the push rod assembly are positioned in the same plane, and the plane of the third part is parallel to the plane of two parts of the three parts.
2. The stroller of claim 1, wherein: the front support comprises a first cross rod connected with the connecting piece, the rear support comprises a second cross rod connected with the connecting piece, the push rod assembly comprises a third cross rod connected with the connecting piece, and the first cross rod, the second cross rod and the third cross rod are arranged in parallel.
3. The stroller of claim 1, wherein: when the child stroller is in a folded state, the front support is accommodated inside the rear support, the front support and the rear support are located in the same plane, and the plane of the push rod assembly is parallel to the planes of the front support and the rear support; or the front support is accommodated in the inner side of the rear support, the rear support is accommodated in the inner side of the push rod assembly, and the front support, the rear support and the push rod assembly are positioned in the same plane.
4. A stroller according to any one of claims 1-3, wherein: the front wheel assembly can be rotationally arranged at the bottom of the front support, the rear wheel assembly can be rotationally arranged at the bottom of the rear support, the baby stroller further comprises a driving mechanism, the driving mechanism is respectively arranged between the front support and the front wheel assembly and between the rear support and the rear wheel assembly, when the stroller frame is folded, a rod piece forming the stroller frame is turned over, and the front wheel assembly and the rear wheel assembly are driven to respectively rotate towards the inner side of the stroller frame.
5. The stroller of claim 4, wherein: the front wheel assembly comprises a front wheel joint rotationally arranged at the bottom of the front support and a front wheel rotationally arranged on the front wheel joint through a front wheel shaft, the rear wheel assembly comprises a rear wheel joint rotationally arranged at the bottom of the rear support and a rear wheel rotationally arranged on the rear wheel joint through a rear wheel shaft, when the stroller is in an unfolded state, the axial leads of the front wheel shaft and the rear wheel shaft extend along the left-right direction, and when the stroller is in a folded state, the axial leads of the front wheel shaft and the rear wheel shaft extend along the front-rear direction.
6. The stroller of claim 4, wherein: the driving mechanism comprises a connecting shaft, a sliding part and a traction rope, wherein the connecting shaft can be respectively arranged on the front support and the rear support in a rotating mode, the sliding part and the traction rope can be arranged on the connecting shaft in a sliding mode, the front wheel assembly is fixedly connected with the connecting shaft, the sliding part is matched with the connecting shaft, one end portion of the traction rope is fixedly connected with the sliding part, the other end portion of the traction rope is respectively and fixedly connected with a part which is rotationally connected with the front support/the rear support, when the cart frame is folded, the traction rope is tensioned, the sliding part is pulled to slide, and the connecting shaft is driven to rotate relative to the front support and the rear support through the cooperation of the sliding part and the connecting shaft, so that the front wheel assembly and the rear wheel assembly are driven to overturn towards the inner side of the cart frame respectively.
7. The stroller of claim 4, wherein: the driving mechanism comprises a universal flexible shaft which can be respectively and rotatably arranged in the front support and the rear support, one end of the universal flexible shaft is respectively and fixedly connected with the front wheel assembly and the rear wheel assembly, the other end of the universal flexible shaft is respectively and fixedly connected with a part which is rotationally connected with the front support/the rear support, and when the cart frame is folded, the universal flexible shaft is driven to respectively rotate relative to the front support and the rear support so as to drive the front wheel assembly and the rear wheel assembly to respectively overturn towards the inner side of the cart frame.
8. The stroller of claim 1, wherein: the trolley frame also comprises a seat rod and a swinging piece, wherein the swinging piece can be rotatably arranged on the push rod assembly, and the seat rod is respectively connected with the swinging piece and the supporting rod in a rotating way.
9. The stroller of claim 1, wherein: the child stroller further comprises an unlocking mechanism for unlocking the locking mechanism, a handle is arranged on the connecting piece and connected with the unlocking mechanism, when the handle is lifted upwards, the unlocking mechanism is used for driving the locking mechanism to unlock, and the child stroller can be folded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210258.4A CN107985378B (en) | 2017-11-28 | 2017-11-28 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210258.4A CN107985378B (en) | 2017-11-28 | 2017-11-28 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107985378A CN107985378A (en) | 2018-05-04 |
| CN107985378B true CN107985378B (en) | 2024-05-10 |
Family
ID=62033558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711210258.4A Active CN107985378B (en) | 2017-11-28 | 2017-11-28 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107985378B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109178077A (en) | 2018-09-29 | 2019-01-11 | 好孩子儿童用品有限公司 | Folding baby cart |
| CN109532995B (en) * | 2018-12-04 | 2023-10-27 | 广东工业大学 | Multi-functional children's shallow |
| CN113511250B (en) * | 2021-07-16 | 2023-01-31 | 好孩子儿童用品有限公司 | Children's barrow |
| CN114454949A (en) * | 2022-02-18 | 2022-05-10 | 昆山爱儿佳儿童用品有限公司 | Folding children's cycle |
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| CN207565660U (en) * | 2017-11-28 | 2018-07-03 | 好孩子儿童用品有限公司 | Children trolley |
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| GB0724513D0 (en) * | 2007-12-17 | 2008-01-23 | Mamas & Papas Holdings Ltd | improvements in pushchairs |
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| CN104590352A (en) * | 2015-01-12 | 2015-05-06 | 好孩子儿童用品有限公司 | Baby stroller |
| CN205186244U (en) * | 2015-12-02 | 2016-04-27 | 昆山威凯儿童用品有限公司 | Foldable baby stroller |
| CN206623874U (en) * | 2017-03-21 | 2017-11-10 | 上海宝糖科技有限公司 | A kind of folding stand of children trolley or perambulator |
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