CN109625067B - Baby handcart - Google Patents
Baby handcart Download PDFInfo
- Publication number
- CN109625067B CN109625067B CN201811443343.XA CN201811443343A CN109625067B CN 109625067 B CN109625067 B CN 109625067B CN 201811443343 A CN201811443343 A CN 201811443343A CN 109625067 B CN109625067 B CN 109625067B
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- leg
- supporting rod
- frame
- front leg
- rotationally connected
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- 210000001364 upper extremity Anatomy 0.000 claims abstract description 94
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement 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
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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
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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 foldable frame, wherein the frame comprises a foldable bottom frame and a foldable upper frame, the bottom frame comprises front legs and rear legs which are rotatably connected with the front legs, wheels are arranged at the lower ends of the front legs and the rear legs, the upper frame comprises lower supporting rods, the lower parts of the lower supporting rods are rotatably connected with the front legs, upper supporting rods are rotatably connected with the upper parts of the lower supporting rods, rear supporting rods which are connected with the upper supporting rods are arranged between the upper supporting rods and the bottom frame, the upper parts of the rear supporting rods are rotatably connected with the upper supporting rods, the lower parts of the rear supporting rods are rotatably connected with the front legs or the rear legs, and a traction mechanism which can drive the front legs and the rear legs to rotate relatively when the upper frame is folded is further arranged between the upper frame and the bottom frame, so that the bottom frame is folded. The folding device is simple in structure, convenient to operate and small in size after folding.
Description
[ field of technology ]
The present invention relates to a stroller.
[ background Art ]
Infant pushchairs have become an integral product in the growth of infants. Infant pushchairs in the market today are generally foldable for portability. However, the frame of the baby pushchairs in the market at present is complex, the operation is inconvenient when folded, and the volume is still larger after folding. Thus, there is still room for improvement in the frame structure of the existing pushchairs.
The present invention has been made in view of the above drawbacks.
[ invention ]
The invention aims to overcome the defects of the prior art and provide the baby handcart which has the advantages of simple structure, convenient operation and small volume after being folded.
The invention is realized by the following technical scheme:
a stroller comprising a collapsible frame, characterized in that: the frame include folding bottom frame 1 and folding upper portion frame 2, bottom frame 1 include preceding leg 11 and with preceding leg 11 rotation connection's back leg 12, preceding leg 11 and back leg 12 lower extreme all be equipped with wheel 13, upper portion frame 2 include lower vaulting pole 21, lower vaulting pole 21 lower part and preceding leg 11 rotation connection, lower vaulting pole 21 upper portion rotation be connected with upper stay 22, upper stay 22 and bottom frame 1 between be equipped with the back vaulting pole 23 of connecting the two, back vaulting pole 23 upper portion and upper stay 22 rotation connection, back vaulting pole 23 lower part and preceding leg 11 or back leg 12 rotation connection to, upper portion frame 2 and bottom frame 1 between still be equipped with the traction mechanism 3 that can drive preceding leg 11 and back leg 12 relative rotation and make bottom frame 1 folding when upper portion frame 2 is folded.
The stroller as described above, wherein: when the baby stroller is in the folded state, the upper stay 22 and the lower stay 21 are connected to each other and move to a position close to the lower end of the front leg 11, and the lower end of the rear leg 12 moves to a position close to the lower end of the front leg 11.
The stroller as described above, wherein: in the unfolded state of the baby stroller, the upper stay bar 22 and the lower stay bar 21 are connected to form a linear structure which is collinear with each other.
The stroller as described above, wherein: the front leg 11 comprises an inclined stay 111 and a connecting lug 112 which is arranged in the middle of the inclined stay 111 and protrudes out, the lower part of the lower stay 21 is rotatably connected to the connecting lug 112, and the upper part of the inclined stay 111 is rotatably connected with the rear leg 12.
The stroller as described above, wherein: the rear stay bar 23, the front leg 11 and the rear leg 12 are coaxially and rotatably connected.
The stroller as described above, wherein: the traction mechanism 3 comprises a front connecting rod 31 connected to the lower part of the lower stay bar 21 and protruding backwards, and a rear connecting rod 32 which is rotatably connected with the front connecting rod 31 and the rear leg 12 and can pull the rear leg 12 to approach the front leg 11 when the lower stay bar 21 rotates relative to the front leg 11 is arranged between the front connecting rod 31 and the rear leg 12.
The stroller as described above, wherein: the traction mechanism 3 comprises a sliding block 33 capable of sliding along the front leg 11, an upper push rod 34 which is rotationally connected with the sliding block 33 and the rear supporting rod 23 and can push the sliding block 33 to slide when the rear supporting rod 23 rotates is arranged between the sliding block 33 and the rear leg 12, and a lower pull rod 35 which is rotationally connected with the sliding block 33 and can pull the rear leg 12 to approach the front leg 11 when the sliding block 33 slides.
The stroller as described above, wherein: the traction mechanism 3 comprises a traction rod 36 which is connected between the lower stay bar 21 and the rear leg 12 and can pull the rear leg 12 to approach the front leg 11 when the lower stay bar 21 rotates relative to the front leg 11, one end of the traction rod 36 is rotatably connected with the rear leg 12, and the other end is rotatably connected with the middle part of the lower stay bar 21.
The stroller as described above, wherein: the baby stroller further comprises a seat support 4, the seat support 4 comprises a front stay 41 and a seat frame 42, the lower end of the front stay 41 is rotatably connected with the front leg 11, the upper end of the front stay 41 is rotatably connected with the seat frame 42, the rear part of the seat frame 42 is rotatably connected with the rear stay 23, the seat frame 42 comprises a seat rod 421 and an extension rod 422 which is arranged at the rear part of the seat rod 421 and extends downwards or upwards, the front stay 41 is rotatably connected with the seat rod 421, and the lower end of the extension rod 422 is rotatably connected with the rear stay 23.
The stroller as described above, wherein: the diagonal brace 111 comprises a lower diagonal brace 111b and an upper diagonal brace 111a fixedly connected with the lower diagonal brace 111b, the upper diagonal brace 111a is located on the inner side of the lower diagonal brace 111b, the upper end of the upper diagonal brace 111a is rotatably connected with the rear leg 12, the wheels 13 are arranged at the lower end of the lower diagonal brace 111b, and the connecting lugs 112 are arranged at the connecting positions of the upper diagonal brace 111a and the lower diagonal brace 111 b.
The stroller as described above, wherein: when the baby stroller is in the unfolded state, the joint position of the rear stay bar 23 and the upper stay bar 22 is positioned above the joint position of the lower stay bar 21 and the upper stay bar 22, the joint position of the lower stay bar 21 and the front leg 11 is positioned below the joint position of the front leg 11 and the rear leg 12, and the joint position of the front leg 11 and the rear leg 12 is positioned below the joint position of the lower stay bar 21 and the upper stay bar 22.
Compared with the prior art, the invention has the following advantages:
1. when the baby stroller is folded, the upper end of the upper stay bar is pressed downwards and a certain thrust force is applied forwards, so that the lower stay bar rotates relative to the front leg and the upper stay bar, the rear stay bar also rotates relative to the front leg and the upper stay bar, and finally the upper stay bar, the lower stay bar and the rear stay bar are folded and closed onto the front leg. When the folding operation is carried out, only one press is needed and the front push is needed, and the whole folding operation process is very simple and quick and is finished at one time. And the whole frame has simple and compact structure, small volume after folding and convenient carrying.
2. When the baby stroller is in a folded state, the connection position of the upper stay bar and the lower stay bar is moved to a position close to the lower end of the front leg, and the lower end of the rear leg is moved to a position close to the lower end of the front leg. Therefore, the baby carriage is ensured to occupy small space in a folded state, can be placed in an automobile trunk or carried on an airplane, and is very convenient to carry.
3. When the baby stroller is in an unfolding state, the upper stay bar and the lower stay bar are connected to form a linear structure which is collinear with each other, so that the baby stroller is compact in the unfolding state, simple and elegant in structure, and smooth in folding movement.
4. The folding type folding device is simple in structure, convenient and quick to fold, small in occupied space after folding, convenient to carry and suitable for popularization and application.
[ description of the drawings ]
FIG. 1 is a perspective view of embodiment 1 of the present invention;
FIG. 2 is a side view of embodiment 1 of the present invention in an expanded state;
FIG. 3 is one of the side views of embodiment 1 of the present invention during folding;
FIG. 4 is a second side view of embodiment 1 of the present invention during folding;
FIG. 5 is a side view showing a folded state of embodiment 1 of the present invention;
FIG. 6 is a side view of embodiment 2 of the present invention in an expanded state;
FIG. 7 is a side view showing the developed state of embodiment 3 of the present invention;
FIG. 8 is a side view showing a folded state of embodiment 3 of the present invention;
FIG. 9 is a side view showing the expanded state of embodiment 4 of the present invention;
fig. 10 is a side view showing a folded state of embodiment 4 of the present invention.
[ detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1 to 5, a stroller comprises a foldable frame, the frame comprises a foldable bottom frame 1 and a foldable upper frame 2, the bottom frame 1 comprises a front leg 11 and a rear leg 12 rotatably connected with the front leg 11, wheels 13 are respectively arranged at the lower ends of the front leg 11 and the rear leg 12, the upper frame 2 comprises a lower stay bar 21, the lower part of the lower stay bar 21 is rotatably connected with the front leg 11, an upper stay bar 22 is rotatably connected at the upper part of the lower stay bar 21, a rear stay bar 23 for connecting the upper stay bar 22 and the bottom frame 1 is arranged between the upper stay bar 22 and the foldable bottom frame, the upper part of the rear stay bar 23 is rotatably connected with the upper stay bar 22, and the lower part of the rear stay bar 23 is rotatably connected with the front leg 11 or the rear leg 12. A traction mechanism 3 is provided between the upper frame 2 and the bottom frame 1, which is capable of driving the front leg 11 and the rear leg 12 to rotate relative to each other when the upper frame 2 is folded, so as to fold the bottom frame 1. As shown in fig. 2 to 5, when the stroller is folded, the upper end of the upper stay 22 is pressed downward and a certain pushing force is applied forward, so that the lower stay 21 rotates relative to the front leg 11 and the upper stay 22, the rear stay 23 also rotates relative to the front leg 11 and the upper stay 22, and finally the upper stay 22, the lower stay 21 and the rear stay 23 are folded close to the front leg 11, and in the process, the traction mechanism 3 between the upper frame 2 and the bottom frame 1 drives the rear leg 12 to rotate relative to the front leg 11, so that the front leg 11 and the rear leg 12 are close to realize the folding of the bottom frame 1, thereby realizing the folding of the whole stroller frame. When the folding operation is carried out, only one press is needed and the front push is needed, and the whole folding operation process is very simple and quick and is finished at one time. And the whole frame has simple and compact structure, small volume after folding and convenient carrying.
As shown in fig. 2, when the stroller is in the unfolded state, the connection position of the rear stay bar 23 and the upper stay bar 22 is located above the connection position of the lower stay bar 21 and the upper stay bar 22, the connection position of the lower stay bar 21 and the front leg 11 is located below the connection position of the front leg 11 and the rear leg 12, and the connection position of the front leg 11 and the rear leg 12 is located below the connection position of the lower stay bar 21 and the upper stay bar 22, so that the whole stroller is simple and compact in structure, flexible to fold, small in size after folding, and convenient to carry.
As shown in fig. 5, when the stroller is in a folded state, the upper stay 22 and the lower stay 21 are connected to move to a position close to the lower end of the front leg 11, and the lower end of the rear leg 12 is moved to a position close to the lower end of the front leg 11, so that the occupied space of the stroller in the folded state is small, and the stroller can be placed in a trunk or carried on an airplane, thereby being very convenient to carry.
As shown in fig. 2, in the unfolded state of the stroller, the upper stay bar 22 and the lower stay bar 21 are connected in a linear structure which is collinear with each other, so that the unfolded state of the stroller is compact, simple and elegant, and the stroller can be folded to move smoothly.
As shown in fig. 1 and 4, the front leg 11 includes an inclined strut 111 and a connecting lug 112 disposed in the middle of the inclined strut 111 and protruding, the lower portion of the lower strut 21 is rotatably connected to the connecting lug 112, and the upper portion of the inclined strut 111 is rotatably connected to the rear leg 12. When the baby stroller is folded, the lower part of the lower stay bar 21 rotates relative to the connecting lugs 112, so that the whole folding movement is smooth, and the folding is flexible.
As shown in fig. 1 to 4, the traction mechanism 3 includes a front link 31 connected to the lower portion of the lower stay 21 and protruding rearward, and a rear link 32 rotatably connected to the front link 31 and the rear leg 12 and capable of pulling the rear leg 12 toward the front leg 11 when the lower stay 21 rotates relative to the front leg 11 is provided between the front link 31 and the rear leg 12. When the baby stroller is folded, the lower part of the lower stay bar 21 rotates relative to the front leg 11, at the moment, one end of the front connecting rod 31 connected with the rear connecting rod 32 is tilted upwards, and the rear connecting rod 32 is pulled in the tilting process, so that the rear leg 12 is pulled towards the front leg 11 by the rear connecting rod 32 to realize the folding of the bottom frame 1. Thus, the folding of the bottom frame 1 is completed while the upper frame 2 is folded, so that the whole frame is folded very simply and smoothly.
As shown in fig. 1 to 4, the stroller further includes a seat support 4, the seat support 4 includes a front support 41 and a seat frame 42, the lower end of the front support 41 is rotatably connected to the front leg 11, the upper end of the front support 41 is rotatably connected to the seat frame 42, the rear portion of the seat frame 42 is rotatably connected to the rear support 23, the seat frame 42 includes a seat bar 421 and an extension bar 422 (of course, the extension bar 422 may also extend up and down from the rear portion of the seat bar 421), the front support 41 is rotatably connected to the seat bar 421, and the lower end of the extension bar 422 is rotatably connected to the rear support 23. When the baby stroller is folded, the rear stay 23 pushes the seat bar 421 rearward as the rear stay 23 rotates relative to the front legs 11, so that the front stay 41 rotates relative to the front legs 11 and the seat bar 421, and eventually both the seat bar 421 and the front stay 41 come close to the front legs 11. The seat support 4 can be used for taking an infant, and when the baby trolley is folded, the seat support 4 is folded together, so that the operation is very simple, convenient and smooth. Of course, instead of the seat support, a flexible seat pocket may be hung on the upper frame 2, and the infant may sit in the seat pocket.
As shown in fig. 1 to 4, the rear stay 23 includes an upper rod 231 and a lower rod 232 fixedly connected to the upper rod 231 and forming an obtuse angle, the upper end of the upper rod 231 is rotatably connected to the upper stay 22, the lower end of the lower rod 232 is rotatably connected to the front leg 11 or the rear leg 12, and in this embodiment, the lower end of the lower rod 2332, the front leg 11 and the rear leg 12 are coaxially rotatably connected. Of course, the rear stay 23 may be an integral stay formed by bending integrally. The rear stay bar 23 is a bending bar, so that the whole structure of the baby handcart is simple and compact, and the baby handcart can be flexibly folded when being folded.
As shown in fig. 1 and 2, the diagonal brace 111 includes a lower diagonal brace 111b and an upper diagonal brace 111a fixedly connected to the lower diagonal brace 111b, the upper diagonal brace 111a is located at the inner side of the lower diagonal brace 111b, so that the frame of the baby stroller is simple and compact in structure and flexible to fold, the upper end of the upper diagonal brace 111a is rotatably connected to the rear leg 12, the wheels 13 are disposed at the lower end of the lower diagonal brace 111b, and the connecting lugs 112 are disposed at the connecting positions of the upper diagonal brace 111a and the lower diagonal brace 111 b. Of course, the diagonal brace 111 may be an integrally formed integral brace.
As shown in fig. 1 and 2, the upper stay 22 is further connected to a slide bar 24 that slides relative thereto. The sliding rod 24 can extend upwards to enable the upper supporting rod 22 to be convenient for a user to push the baby trolley to walk, and when the baby trolley needs to be folded, the sliding rod 24 is retracted into the upper supporting rod 22, and then the upper frame 2 and the bottom frame 1 are folded. Of course, a rotating rod may be rotatably connected to the upper end of the upper stay 22, and when the stroller needs to be folded, the rotating rod is rotated first to fold the rotating rod onto the upper stay 22, and then the upper frame 2 and the bottom frame 1 are folded. Of course, the sliding lever 24 or the rotating lever may not be provided, so that the user may push the upper end of the upper stay 22 directly to push the stroller for walking.
Example 2:
as shown in fig. 6, embodiment 2 differs from embodiment 1 in that:
the upper stay bar is detachably connected with a front armrest 25, and the front end of the seat frame 42 is connected with a support plate 26 for supporting legs. The front armrest 25 is used for the infant seated in the stroller to grasp and secure. The support bar 26 may be used to support the legs of an infant to make the infant more comfortable to sit on.
Example 3:
as shown in fig. 7 and 8, a stroller comprises a foldable frame, the frame comprises a foldable bottom frame 1 and a foldable upper frame 2, the bottom frame 1 comprises a front leg 11 and a rear leg 12 rotatably connected with the front leg 11, wheels 13 are respectively arranged at the lower ends of the front leg 11 and the rear leg 12, the upper frame 2 comprises a lower stay bar 21, the lower part of the lower stay bar 21 is rotatably connected with the front leg 11, an upper stay bar 22 is rotatably connected at the upper part of the lower stay bar 21, a rear stay bar 23 for connecting the upper stay bar 22 and the bottom frame 1 is arranged between the upper stay bar 22 and the foldable bottom frame, the upper part of the rear stay bar 23 is rotatably connected with the upper stay bar 22, and the lower part of the rear stay bar 23 is rotatably connected with the front leg 11 or the rear leg 12. A traction mechanism 3 is provided between the upper frame 2 and the bottom frame 1, which is capable of driving the front leg 11 and the rear leg 12 to rotate relative to each other when the upper frame 2 is folded, so as to fold the bottom frame 1. The traction mechanism 3 comprises a sliding block 33 capable of sliding along the front leg 11, an upper push rod 34 which is rotationally connected with the sliding block 33 and the rear supporting rod 23 and can push the sliding block 33 to slide when the rear supporting rod 23 rotates is arranged between the sliding block 33 and the rear leg 12, and a lower pull rod 35 which is rotationally connected with the sliding block 33 and can pull the rear leg 12 to approach the front leg 11 when the sliding block 33 slides. When the baby stroller is folded, only the upper end of the upper supporting rod 22 is pressed downwards and a certain pushing force is applied forwards, the lower supporting rod 21 rotates relative to the front leg 11 and the upper supporting rod 22, the rear supporting rod 23 also rotates relative to the front leg 11 and the upper supporting rod 22, finally the upper supporting rod 22, the lower supporting rod 21 and the rear supporting rod 23 are folded and close to the front leg 11, the position where the upper supporting rod 22 is connected with the lower supporting rod 21 is moved to a position close to the lower end of the front leg 11, in the process, the rotating rear supporting rod 23 pushes the upper pushing rod 34 to enable the sliding block 33 to slide downwards along the front leg 11, and the sliding block 33 pulls the rear leg 22 to close to the front leg 11 through the lower pulling rod 35, so that the lower end of the rear leg 12 is moved to a position close to the lower end of the front leg 11. Therefore, the whole frame is folded, and the whole folding action is flexible and reliable without clamping stagnation. After being folded, the utility model occupies small space, can be placed in an automobile trunk or carried on an airplane, and is very convenient to carry.
As shown in fig. 7, in the unfolded state of the stroller, the connection position of the rear stay bar 23 and the upper stay bar 22 is located above the connection position of the lower stay bar 21 and the upper stay bar 22, the connection position of the lower stay bar 21 and the front leg 11 is located below the connection position of the front leg 11 and the rear leg 12, and the connection position of the front leg 11 and the rear leg 12 is located below the connection position of the lower stay bar 21 and the upper stay bar 22, so that the whole stroller is simple and compact in structure, flexible to fold, small in size after folding, and convenient to carry.
Example 4:
as shown in fig. 9 and 10, embodiment 4 differs from embodiment 3 in that:
the traction mechanism 3 comprises a traction rod 36 which is connected between the lower stay bar 21 and the rear leg 12 and can pull the rear leg 12 to approach the front leg 11 when the lower stay bar 21 rotates relative to the front leg 11, one end of the traction rod 36 is rotatably connected with the rear leg 12, and the other end is rotatably connected with the middle part of the lower stay bar 21. When the upper frame 2 is folded, the lower stay bar 21 rotates relative to the front leg 11, the lower stay bar 21 pulls the rear leg 12 to the front leg 11 through the traction rod 36 in the rotating process relative to the front leg 11, so that the bottom frame 1 is folded, the whole folding process is flexible and smooth, and the baby stroller after folding occupies small space and is convenient to carry.
Claims (7)
1. A stroller comprising a collapsible frame, characterized in that: the frame comprises a foldable bottom frame (1) and a foldable upper frame (2), the bottom frame (1) comprises a front leg (11) and a rear leg (12) rotationally connected with the front leg (11), wheels (13) are arranged at the lower ends of the front leg (11) and the rear leg (12), the upper frame (2) comprises a lower supporting rod (21), the lower part of the lower supporting rod (21) is rotationally connected with the front leg (11), the upper part of the lower supporting rod (21) is rotationally connected with an upper supporting rod (22), a rear supporting rod (23) for connecting the upper supporting rod (22) with the bottom frame (1) is arranged between the upper supporting rod (22) and the upper part of the rear supporting rod (23) is rotationally connected with the front leg (11) or the rear leg (12), a diagonal member (112) which is arranged between the upper frame (2) and the bottom frame (1) and can rotate when the upper frame (2) is folded and the front leg (11) and the lower leg (12) is rotationally connected with the lower supporting rod (112) and comprises a diagonal member (111) which is rotationally connected with the upper supporting rod (111) and the lower supporting rod (11), the upper part of the diagonal brace (111) is rotationally connected with the rear leg (12), the baby stroller further comprises a seat support (4), the seat support (4) comprises a front brace (41) and a seat frame (42), the lower end of the front brace (41) is rotationally connected with the front leg (11), the upper end of the front brace (41) is rotationally connected with the seat frame (42), the rear part of the seat frame (42) is rotationally connected with the rear brace (23), the seat frame (42) comprises a seat bar (421) and an extension bar (422) which is arranged at the rear part of the seat bar (421) and extends downwards, the lower end of the extension bar (422) is rotationally connected with the rear brace (23), the diagonal brace (111) comprises a lower diagonal brace (111 b) and an upper diagonal brace (111 a) which is fixedly connected with the lower diagonal brace (111 b), the upper diagonal brace (111 a) is arranged at the inner side of the upper end (111 b) of the upper leg (111 b) and the lower diagonal brace (111 b) which is arranged at the upper end (111 b) of the upper leg (111) of the baby stroller (13) when the upper leg (111 b) is rotatably connected with the lower diagonal brace (111 b), the upper stay bar (22) and the lower stay bar (21) are connected to move to a position close to the lower end of the front leg (11), and the lower end of the rear leg (12) moves to a position close to the lower end of the front leg (11).
2. The stroller of claim 1, wherein: when the baby handcart is in an unfolding state, the upper supporting rod (22) and the lower supporting rod (21) are connected to form a linear structure which is collinear with each other.
3. The stroller of claim 1, wherein: the rear stay bar (23), the front leg (11) and the rear leg (12) are coaxially and rotatably connected.
4. A stroller according to any one of claims 1 to 3, wherein: the traction mechanism (3) comprises a front connecting rod (31) which is connected to the lower part of the lower stay bar (21) and protrudes backwards, and a rear connecting rod (32) which is rotationally connected with the front connecting rod (31) and the rear leg (12) and can pull the rear leg (12) to be close to the front leg (11) when the lower stay bar (21) rotates relative to the front leg (11) is arranged between the front connecting rod (31) and the rear leg.
5. A stroller according to any one of claims 1 to 3, wherein: the traction mechanism (3) comprises a sliding block (33) capable of sliding along the front leg (11), an upper push rod (34) which is rotationally connected with the sliding block (33) and can push the sliding block (33) to slide when the rear supporting rod (23) rotates is arranged between the sliding block (33) and the rear leg (12), and a lower pull rod (35) which is rotationally connected with the sliding block (33) and can pull the rear leg (12) to be close to the front leg (11) when the sliding block (33) slides is also arranged between the sliding block and the rear leg (12).
6. A stroller according to any one of claims 1 to 3, wherein: the traction mechanism (3) comprises a traction rod (36) which is connected between the lower stay bar (21) and the rear leg (12) and can pull the rear leg (12) to be close to the front leg (11) when the lower stay bar (21) rotates relative to the front leg (11), one end of the traction rod (36) is rotationally connected with the rear leg (12), and the other end of the traction rod is rotationally connected with the middle part of the lower stay bar (21).
7. The stroller of claim 1, wherein: when the baby stroller is in an unfolded state, the connecting position of the rear supporting rod (23) and the upper supporting rod (22) is located above the connecting position of the lower supporting rod (21) and the upper supporting rod (22), the connecting position of the lower supporting rod (21) and the front leg (11) is located below the connecting position of the front leg (11) and the rear leg (12), and the connecting position of the front leg (11) and the rear leg (12) is located below the connecting position of the lower supporting rod (21) and the upper supporting rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443343.XA CN109625067B (en) | 2018-11-29 | 2018-11-29 | Baby handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443343.XA CN109625067B (en) | 2018-11-29 | 2018-11-29 | Baby handcart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109625067A CN109625067A (en) | 2019-04-16 |
| CN109625067B true CN109625067B (en) | 2024-03-05 |
Family
ID=66069815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811443343.XA Active CN109625067B (en) | 2018-11-29 | 2018-11-29 | Baby handcart |
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| CN (1) | CN109625067B (en) |
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| CN207902521U (en) * | 2018-01-08 | 2018-09-25 | 苏州威凯儿童用品有限公司 | Stroller capable of reversing |
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| US8408580B2 (en) * | 2011-01-26 | 2013-04-02 | Unique Product & Design Co., Ltd. | Baby stroller folding device |
| CN205273564U (en) * | 2015-11-10 | 2016-06-01 | 好孩子儿童用品有限公司 | Child stroller |
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| CN104057992A (en) * | 2014-06-23 | 2014-09-24 | 好孩子儿童用品有限公司 | Stroller |
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| CN207902511U (en) * | 2018-01-08 | 2018-09-25 | 苏州威凯儿童用品有限公司 | A kind of stroller capable of reversing |
| CN207902521U (en) * | 2018-01-08 | 2018-09-25 | 苏州威凯儿童用品有限公司 | Stroller capable of reversing |
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| CN109625067A (en) | 2019-04-16 |
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