CN117087742A - An infant stroller - Google Patents
An infant stroller Download PDFInfo
- Publication number
- CN117087742A CN117087742A CN202311037120.4A CN202311037120A CN117087742A CN 117087742 A CN117087742 A CN 117087742A CN 202311037120 A CN202311037120 A CN 202311037120A CN 117087742 A CN117087742 A CN 117087742A
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- Prior art keywords
- piece
- sliding
- locking
- leg
- seat
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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
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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 an infant handcart, which is characterized in that a rear leg capable of rotating relative to the front leg is connected to the front leg, a connecting seat is rotatably connected to the rear leg, a supporting rod assembly is connected to the connecting seat, a linkage piece is arranged between the front leg and the supporting rod assembly, the front leg and the rear leg can be mutually rotated and closed when the linkage piece rotates relative to the front leg, a sliding seat is connected to the supporting rod assembly, a supporting rod is connected to the sliding seat, a seat pocket is arranged between the supporting rod, the front leg and the rear leg, a first locking assembly comprises a first locking position arranged on the rear supporting rod, a first locking piece capable of being locked or unlocked from the first locking position is connected to the sliding seat, a first operating piece capable of rotating relative to the first locking piece is connected to the sliding seat, a pushing bulge capable of pushing against the first locking piece to keep the first locking piece locked when the sliding piece moves from an unlocking position to a locking position is arranged on the first operating piece, and a first elastic element is arranged between the first locking piece and the sliding seat. The folding device is simple in structure and small in size after folding.
Description
[ field of technology ]
The invention relates to an infant stroller.
[ background Art ]
At present, infant pushchairs have become an indispensable item for children in the growing process. Infant pushchairs in the market can be folded or unfolded generally, but the existing infant pushchairs are complex in transmission structure, more in connecting rods and larger in volume after folding. Therefore, people are very desirous of a baby stroller which is convenient to fold and unfold, has a simple structure and is small in size after folding. The invention further provides a novel embodiment.
[ invention ]
The invention aims to overcome the defects of the prior art and provide the baby trolley which is convenient to fold and unfold, simple in folding structure and small in volume after folding.
The invention is realized by the following technical scheme:
an infant stroller capable of moving from an unfolding position to a folding position after unlocking a locking device comprises a front leg 11, wherein the lower end of the front leg 11 is connected with a front wheel 111, the front leg 11 is connected with a rear leg 12 capable of rotating around a first axis A relative to the front leg 11, the rear leg 12 is connected with a rear wheel 121, the rear leg 12 is rotatably connected with a connecting seat 13 around a second axis B, the connecting seat 13 is also connected with a supporting rod assembly 14, a linkage piece 15 capable of rotating relative to the front leg 11 and the supporting rod assembly 14 is arranged between the front leg 11 and the supporting rod assembly 14, one end of the linkage piece 15 is rotatably connected with the front leg 11 around a third axis C, the other end of the linkage piece 15 is rotatably connected with the supporting rod assembly 14 around a fourth axis D, and when the linkage piece 15 rotates around the third axis C relative to the front leg 11, the front leg 11 and the rear leg 12 can be mutually rotated to be close, the stay bar assembly 14 is connected with a sliding seat 16 which can slide relatively to the stay bar assembly 14, the sliding seat 16 is connected with a supporting rod 17, a seat pocket 2 which can be unfolded along with the infant stroller when the infant stroller is unfolded is arranged among the supporting rod 17, the front leg 11 and the rear leg 12, the stay bar assembly 14 comprises a front stay bar 141 connected with the connecting seat 13 and a rear stay bar 143 positioned at the rear side of the front stay bar 141, the locking device comprises a first locking assembly 41 arranged between the sliding seat 16 and the rear stay bar 143, the first locking assembly 41 comprises a first locking position 411 arranged on the rear stay bar 143, the sliding seat 16 is connected with a first locking part 412 which can slide relatively to be locked into or separated from the first locking position 411, the sliding seat 16 is connected with a first operating part 413 which can rotate relatively to move in a locking position and an unlocking position, the first operating member 413 is provided with a pushing protrusion 4131 that can push against the first locking member 412 when moving from the unlocking position to the locking position, so that the first locking member 412 remains locked, and a first elastic element 414 that can push the first locking member 412 to return is provided between the first locking member 412 and the sliding seat 16.
The front leg 11 and the rear leg 12 are arranged in an X-shape when the infant stroller is unfolded.
The supporting rod assembly 14 comprises a front supporting rod 141 connected to the connecting seat 13, a mounting seat 142 is further arranged on the front supporting rod 141, one end of the linkage member 15 is rotatably connected to the mounting seat 142 around a fourth axis D, and the other end of the linkage member 15 is rotatably connected to the front leg 11 around a third axis C.
A torsion spring 3 is also arranged between the mounting seat 142 and the linkage 15.
The stay bar assembly 14 further comprises a rear stay bar 143 disposed on the connecting seat 13 and located at the rear side of the front stay bar 141, and a push rod 144 capable of sliding relative to the rear stay bar 143 is connected to the rear stay bar 143.
The rear leg 12 comprises a rear leg frame 122 which is rotationally connected to the front leg 11 around a first axis A, the lower end of the rear leg frame 122 is rotationally connected to the connecting seat 13 around a second axis B, the rear wheel 121 is connected to the lower end of the rear leg frame 122, the rear leg 12 is further provided with a transverse supporting rod 123 which is transversely connected, and the middle part of the transverse supporting rod 123 is provided with a abdicating part 1231 which can abduct the hand pushing rod 144 when the baby stroller is folded.
The sliding seat 16 and the front supporting rod 141 are provided with two locking assemblies 5, each two locking assemblies 5 comprises a locking position 51 arranged on the front supporting rod 141, a rotating piece 52 capable of rotating relative to the sliding seat 16 is connected in the sliding seat, the front end of the rotating piece 52 is provided with a clamping hook portion 521 capable of being clamped with the locking position 51, the rear end of the rotating piece 52 is provided with a propping portion 522, the hand pushing rod 144 is provided with an unlocking portion 1441 capable of pushing the propping portion 144 to enable the clamping hook portion 521 to be separated from the locking position 51 when the hand pushing rod 144 slides and folds relative to the rear supporting rod 143, and an elastic reset piece 53 capable of resetting the pushing rotating piece 52 is arranged between the rotating piece 52 and the sliding seat 16.
The push rod 144 is internally provided with a sliding block 423 capable of driving the second locking piece 422 to slide and separate from the second locking piece 421 when being pulled, the push rod 144 is provided with a second operating piece 424 capable of rotating relative to the push rod 144, a guy cable 425 capable of driving the sliding piece 423 to slide when the second operating piece 424 rotates is arranged between the second operating piece 424 and the sliding piece 423, a second elastic piece 426 capable of resetting the second operating piece 424 is arranged between the second operating piece 424 and the push rod 144, a third elastic piece 427 capable of resetting the second locking piece 423 is arranged between the sliding piece 423 and the push rod 144, and a fourth elastic piece 427 capable of resetting the second locking piece 422 is arranged between the second locking piece 422 and the push rod 144.
The novel push rod comprises a linkage piece 15 and a support rod assembly 14, wherein a third locking assembly 43 capable of locking the linkage piece 15 and the support rod assembly 14 is arranged between the linkage piece 15 and the support rod assembly 14, the third locking assembly 43 comprises a clamping pin 431 arranged on a front leg 11, a sliding piece 432 capable of sliding relative to the linkage piece 15 is arranged on the linkage piece 15, a third locking position 4321 capable of being clamped with or separated from the clamping pin 431 when the linkage piece 15 slides relative to the linkage piece 432 is arranged on the sliding piece 432, a sliding unlocking piece 433 capable of sliding relative to the front support rod 141 to push the sliding piece 432 is arranged in the front support rod 141, a sliding connecting piece 434 capable of sliding relative to the front support rod 141 is also connected in the front support rod 141, a sliding unlocking piece 435 capable of sliding relative to the sliding connecting piece 434 is connected in the connecting seat 13, a slope 436 capable of sliding relative to the sliding unlocking piece 435 is arranged on the pushing rod 144, a first elastic element capable of resetting the sliding piece 432 is arranged between the sliding piece 432 and the front support rod 141, and a second elastic pushing element capable of resetting the sliding 434 is arranged between the sliding connecting piece 434 and the pushing piece 141.
The front leg 11 comprises a front leg frame 112, a connecting part 113 is connected to the front leg frame 112, a front wheel frame 114 is connected to the lower end of the front leg frame 112, the front wheel 111 can rotate at 114360 degrees relative to the front wheel frame on a horizontal plane, a rotating seat 115 is connected to the upper end of the front leg frame 112, and the front end of the linkage 15 is rotatably connected to the rotating seat 115 around a third axis C.
Compared with the prior art, the invention has the following advantages: when the baby stroller needs to be folded, the first locking component is unlocked firstly, the first operating piece is shifted to rotate upwards, the pushing protrusion on the first operating piece is gradually separated from the first locking piece, when the pushing protrusion is separated from the first locking piece, the first elastic element pushes the first locking piece to slide backwards relative to the sliding seat, the first locking piece is gradually separated from the first locking piece, the sliding seat can slide downwards along the supporting rod component, the sliding seat moves downwards along the supporting rod, the seat pocket is folded, then the connecting part of the linkage piece and the front leg rotates, the front end of the linkage piece rotates around the third axis C relative to the front leg, the rear end of the linkage piece rotates around the fourth axis D relative to the supporting rod component, the linkage piece and the front leg are mutually close, the lower end of the rear leg rotates around the second axis B relative to the connecting seat, the rear leg is simultaneously rotated around the first axis A relative to the front leg, the rear leg is close to the front leg, the folding structure is simple, and the folding operation is convenient.
[ description of the drawings ]
FIG. 1 is one of the perspective views of the infant stroller of the present invention;
FIG. 2 is a second perspective view of the stroller of the present invention;
FIG. 3 is a side view of the infant stroller of the present invention;
FIG. 4 is a perspective view of the infant stroller of the present invention folded;
FIG. 5 is a side view of the infant stroller of the present invention folded;
FIG. 6 is a cross-sectional view of the infant stroller of the present invention;
FIG. 7 is an enlarged view of area E of FIG. 6;
FIG. 8 is an enlarged view of area F of FIG. 6;
FIG. 9 is an exploded view of the infant stroller of the present invention;
FIG. 10 is a perspective view of a slider in the stroller of the present invention;
FIG. 11 is an exploded view of the second latch and slider of the stroller of the present invention;
fig. 12 is an exploded view of the sliding connector and the sliding connector of the stroller of the present invention.
[ detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 12, the present invention provides a stroller, which can move from an unfolded position to a folded position after unlocking a locking device, comprising a front leg 11, wherein the lower end of the front leg 11 is connected with a front wheel 111, the front leg 11 is connected with a rear leg 12 capable of rotating around a first axis a relative to the front leg, the rear leg 12 is connected with a rear wheel 121, the rear leg 12 is rotatably connected with a connecting seat 13 around a second axis B, the connecting seat 13 is further connected with a brace assembly 14, a linkage 15 capable of rotating relative to the front leg 11 and the brace assembly 14 is arranged between the front leg 11 and the brace assembly 14, one end of the linkage 15 is rotatably connected with the front leg 11 around a third axis C, the other end of the linkage 15 is rotatably connected with the brace assembly 14 around a fourth axis D, and the front leg 11 and the rear leg 12 can be mutually rotated close when the linkage 15 rotates around the third axis C relative to the front leg 11, the stay bar assembly 14 is connected with a sliding seat 16 which can slide relatively to the stay bar assembly, the sliding seat 16 is connected with a supporting rod 17, a seat pocket 2 which can be unfolded along with the infant stroller when the infant stroller is unfolded is arranged among the supporting rod 17, the front leg 11 and the rear leg 12, the stay bar assembly 14 comprises a front stay bar 141 connected with the connecting seat 13 and a rear stay bar 143 positioned at the rear side of the front stay bar 141, a first locking assembly 41 is arranged between the sliding seat 16 and the rear stay bar 143, the first locking assembly 41 comprises a first locking position 411 arranged on the rear stay bar 143, the sliding seat 16 is connected with a first locking part 412 which can slide relatively to be locked into or separated from the first locking position 411, the sliding seat 16 is connected with a first operating part 413 which can rotate relatively to move in a locking position and an unlocking position, the first operating member 413 is provided with a pushing protrusion 4131 that can push against the first locking member 412 when moving from the unlocking position to the locking position, so that the first locking member 412 remains locked, and a first elastic element 414 that can push the first locking member 412 to return is provided between the first locking member 412 and the sliding seat 16. The seat 2 is convenient for the infant to sit. The seat pocket 2 can be unfolded along with the unfolding of the infant stroller when the infant stroller is unfolded or folded, and can be folded along with the folding of the infant stroller, so that the infant stroller occupies a small volume when being folded.
When the baby stroller needs to be folded, the first locking component 41 is unlocked firstly, the first operating piece 413 is shifted to rotate upwards, at the moment, the pushing protrusion 4131 on the first operating piece 413 is gradually separated from the first locking piece 412, when the pushing protrusion 4131 is separated from the first locking piece 412, the first elastic element 414 pushes the first locking piece 412 to slide backwards relative to the sliding seat 16, the first locking piece 412 is gradually separated from the first locking piece 411, at the moment, the sliding seat 16 can slide downwards along the supporting rod component 14, the sliding seat moves downwards along the supporting rod, the seat pocket can be folded, then the connecting part of the linkage piece and the front leg rotates, at the moment, the front end of the linkage piece rotates around the third axis C relative to the front leg, the rear end of the linkage piece 15 rotates around the fourth axis D relative to the supporting rod component 14, at the moment, the lower end of the rear leg 12 rotates around the second axis B relative to the connecting seat 13 under the driving of the approaching piece 15, at the same time, the rear leg 12 rotates around the first axis A relative to the front leg 11, the rear leg 11 is folded together, and the operation is simple. The front leg 11 and the rear leg 12 are arranged in an X-shaped mode when the infant stroller is unfolded, so that the infant stroller is more stable and safer to support.
The front stay 141 is further provided with a mounting seat 142, one end of the linkage member 15 is rotatably connected to the mounting seat 142 around the fourth axis D, and the other end of the linkage member 15 is rotatably connected to the front leg 11 around the third axis C. When the connecting part of the linkage piece 15 and the front leg 11 rotates relatively, the front end of the linkage piece 15 rotates around the third axis C relative to the front leg 11, at this time, the rear end of the linkage piece 15 rotates around the fourth axis D relative to the mounting seat 142, the linkage piece 15 and the front leg 11 are mutually close, and meanwhile, the linkage piece 15 and the front stay bar 141 are gradually mutually close, so that the occupied volume of the baby stroller is minimized when the baby stroller is folded.
The mounting seat 142 is provided with a first supporting surface 1421, and the linkage member 15 is provided with a second supporting surface 151 capable of propping against the first supporting surface 1421 when the infant stroller is unfolded. When the stroller is unfolded, the second supporting surface 151 on the linkage 15 and the first supporting surface 1421 on the mounting seat 142 are propped against each other, so that the stroller is more stable and safer to support when being unfolded.
The rear stay 143 is disposed on the connecting seat 13 and located at the rear side of the front stay 141, and a push rod 144 capable of sliding relative to the rear stay 143 is connected to the rear stay 143. The front stay bar 141 and the rear stay bar 143 are also provided with a fixing seat 145 which can be connected with the tops of the front stay bar 141 and the rear stay bar 143 and fix the tops of the front stay bar and the rear stay bar, so that the front stay bar 141 and the rear stay bar 143 are connected more firmly and do not shake relative to the connecting seat 13.
The front leg 11 comprises a front leg frame 112, a connecting part 113 is connected to the front leg frame 112, a front wheel frame 114 is connected to the lower end of the front leg frame 112, the front wheel 111 can rotate 360 degrees relative to the front wheel frame 114 on a horizontal plane, a rotating seat 115 is connected to the upper end of the front leg frame 112, and the front end of the linkage 15 is connected to the rotating seat 115 in a rotating manner around a third axis C. The front wheels 111 can be rotated 90 ° from a forward setting to a parallel, closed rear leg 12 setting when folded.
The rear leg 12 comprises a rear leg frame 122 which is rotationally connected to the front leg 11 around a first axis A, the lower end of the rear leg frame 122 is rotationally connected to the connecting seat 13 around a second axis B, the rear wheel 121 is connected to the lower end of the rear leg frame 122, the rear leg 12 is further provided with a transverse supporting rod 123 which is transversely connected, and the middle part of the transverse supporting rod 123 is provided with a abdicating part 1231 which can abduct the hand pushing rod 144 when the baby stroller is folded. When the rear leg frame 122 rotates relative to the front leg 11 and the connecting seat 13 and is close to the supporting rod assembly 14, in order to avoid the push rod 144 from pushing against the transverse supporting rod 123 when sliding and folding downwards, the transverse supporting rod 123 is provided with a yielding part 1231, the yielding part 1231 is an arc-shaped groove, so that the push rod 144 can be yielding, and the push rod 144 is prevented from being blocked.
A torsion spring 3 is also arranged between the mounting seat 142 and the linkage 15. The torsion spring 3 can apply elastic force when the linkage member 15 rotates and folds relative to the mounting seat 142, so that the linkage member 15 rotates and folds relative to the mounting seat 142 more smoothly.
The sliding seat 16 and the front supporting rod 141 are also provided with two locking assemblies 5, each two locking assemblies 5 comprises a locking position 51 arranged on the front supporting rod 141, a rotating piece 52 capable of rotating relative to the sliding seat 16 is connected in the sliding seat 16, the front end of the rotating piece 52 is provided with a clamping hook portion 521 capable of being clamped with the locking position 51, the rear end of the rotating piece 52 is provided with a propping portion 522, the hand pushing rod 144 is provided with an unlocking portion 1441 capable of pushing the propping portion 144 to separate the clamping hook portion 521 from the locking position 51 when the hand pushing rod is slid and folded relative to the rear supporting rod 143, and an elastic reset piece 53 capable of pushing the rotating piece 52 to reset is arranged between the rotating piece 52 and the sliding seat 16. The elastic restoring member 53 is a torsion spring. The provision of the secondary locking assembly 5 makes the locking of the sliding seat 16 with the rear stay 143 more stable. When the sliding seat 16, the supporting rod 17 and the seat pocket 2 need to be folded, the first locking assembly 41 is unlocked firstly, then the hand push rod 144 is pushed to slide downwards relative to the rear supporting rod 143, the unlocking part 1441 on the rear supporting rod 143 gradually contacts with the propping part 522 on the rotating member 52 in the process of sliding downwards, when the propping part 522 is pushed, the propping part 522 drives the whole rotating member 52 to rotate, the rotating member 52 drives the hook part 521 at the front end of the rotating member to rotate, and at the moment, the hook part 521 is separated from the locking position 51 on the front supporting rod 141 and fully enters the sliding seat 16, and the sliding seat 16 can slide downwards relative to the rear supporting rod 143 to be folded.
The push rod 144 is internally provided with a sliding block 423 capable of driving the second locking piece 422 to slide and separate from the second locking piece 421 when being pulled, the push rod 144 is provided with a second operating piece 424 capable of rotating relative to the push rod 144, a guy cable 425 capable of driving the sliding piece 423 to slide when the second operating piece 424 rotates is arranged between the second operating piece 424 and the sliding piece 423, a second elastic piece 426 capable of resetting the second operating piece 424 is arranged between the second operating piece 424 and the push rod 144, a third elastic piece 427 capable of resetting the second locking piece 423 is arranged between the sliding piece 423 and the push rod 144, and a fourth elastic piece 427 capable of resetting the second locking piece 422 is arranged between the second locking piece 422 and the push rod 144.
When the push rod 144 needs to slide and fold relative to the rear supporting rod 143, the lower end of the second operating member 424 is pressed, the upper end of the second operating member 424 drives the pull cable 425 to move, the pull cable 425 moves upwards to drive the sliding block 423 to move upwards, and the sliding block 423 moves to drive the second locking piece 422 to slide relative to the push rod 144 and separate from the second locking piece 421, so that the push rod 144 can slide and fold relative to the rear supporting rod 143 downwards.
The second locking member 422 is provided with a first inclined sliding surface 4221, and the sliding block 423 is provided with a second inclined sliding surface 4231 which can push the first inclined sliding surface 4221 to enable the second locking member 422 to slide transversely relative to the push rod 144 when the sliding block 423 slides vertically relative to the push rod 144. The cooperation of the second inclined sliding surface 4231 and the first inclined sliding surface 4221 enables the sliding block 423 to vertically slide relative to the push rod 144, so as to push the second locking member 422 to slide laterally relative to the push rod 144 and disengage from the second locking position 421.
The third locking assembly 43 capable of locking the linkage member 15 and the stay bar assembly 14 is arranged between the linkage member 15 and the stay bar assembly 14, the third locking assembly 43 comprises a clamping pin 431 arranged on the front leg 11, a sliding member 432 capable of sliding relative to the linkage member 15 is arranged on the linkage member 15, a third locking position 4321 capable of being clamped or separated from the clamping pin 431 when the linkage member 15 slides relative to the linkage member 432 is arranged on the sliding member 432, a sliding unlocking member 433 capable of sliding relative to the front stay bar 141 to push the sliding block 423 is arranged in the front stay bar 141, a sliding connecting piece 434 capable of sliding relative to the front stay bar 141 is also connected in the front stay bar 141, a sliding unlocking member 435 capable of sliding relative to the sliding connecting piece 434 is connected in the connecting seat 13, a slope 436 capable of sliding relative to the sliding unlocking member 435 is arranged on the pushing rod 144, a first elastic element capable of resetting the sliding member 432 is arranged between the sliding member 432 and the front stay bar 141, and a second pushing elastic element capable of resetting the sliding member 434 is arranged between the sliding connecting piece 434 and the front stay bar 141. The third locking position 4321 is a clamping groove. The sliding unlocking member 435 is partially positioned in the rear stay 143 and can be pushed by the pushing inclined surface 436, and the sliding unlocking member 435 is also partially positioned in the front stay 141 and used for pushing the sliding connecting member 434. When the linkage 15, the front leg 11 and the rear leg 12 need to be folded, the third locking assembly 43 needs to be unlocked first, the push rod 144 is pushed to slide downwards relative to the rear supporting rod 143, the pushing inclined surface 436 on the push rod 144 is pushed to contact with the sliding unlocking member 435 first when the push rod 144 slides downwards, and gradually pushes against the sliding unlocking member 435 to slide transversely relative to the connecting seat 12, the front end of the sliding unlocking member 435 pushes the sliding connecting member 434 to slide downwards relative to the front supporting rod 141, the sliding unlocking member 433 is driven to slide downwards when the sliding connecting member 434 slides downwards, the inclined surface on the sliding unlocking member 433 pushes the inclined surface on the sliding member 432, at this moment, the sliding member 432 slides transversely relative to the linkage 15, the third locking position 4321 on the sliding member 432 is separated from the clamping pin 431 when the sliding member 432, and at this moment, the front leg 11 can rotate and fold with the linkage 15.
The sliding connector 434 is provided with a third inclined sliding surface 4341, and the sliding unlocking member 435 is provided with a fourth inclined sliding surface 4351 which can push the third inclined sliding surface 4341 to drive the sliding connector 434 to slide when the sliding unlocking member 435 slides.
The cooperation of the third ramp 4341 and the fourth ramp 4351 enables the sliding connection 434 to slide vertically relative to the front strut 141 as the sliding release 435 slides laterally relative to the connection block 12, the front strut 141 and the rear strut 143.
The sliding member 432 is provided with a plurality of bar-shaped holes 4322, and the linkage member 15 is provided with a shaft pin 152 which transversely penetrates through the bar-shaped holes 15. The bar-shaped hole 4322 and the shaft pin 152 are engaged to guide the sliding block 423 to slide, and the size of the bar-shaped hole 4322 also limits the sliding range of the sliding piece 432.
Claims (10)
1. An infant stroller movable from an unfolded position to a folded position after unlocking a locking device, characterized in that: including front leg (11), front leg (11) lower extreme be connected with front wheel (111), front leg (11) on be connected with relative its back leg (12) of rotating around first axis (A), back leg (12) on be connected with rear wheel (121), back leg (12) on rotate around second axis (B) and be connected with connecting seat (13), connecting seat (13) on still be connected with vaulting pole subassembly (14), front leg (11) and vaulting pole subassembly (14) between be equipped with can relative two pivoted linkage piece (15), linkage piece (15) one end rotate around third axis (C) and be connected on front leg (11), the other end rotates around fourth axis (D) and be connected on vaulting pole subassembly (14), and when back leg (12) rotate around third axis (C) relative front leg (11) can make front leg (11) and back leg (12) rotate each other, on connecting rod (13) and be equipped with on the back leg (16) can expansion of baby seat (16) when being equipped with on the baby carrier (17) and expansion of baby carrier (17, the stay bar assembly (14) comprises a front stay bar (141) connected to the connecting seat (13) and a rear stay bar (143) positioned at the rear side of the front stay bar (141), the locking device comprises a first locking assembly (41) arranged between the sliding seat (16) and the rear stay bar (143), the first locking assembly (41) comprises a first locking position (411) arranged on the rear stay bar (143), the sliding seat (16) is connected with a first locking piece (412) which can slide relatively to the sliding seat to be blocked in or separated from the first locking position (411), the sliding seat (16) is connected with a first operating piece (413) which can rotate relatively to be moved between a locking position and an unlocking position, the first operating piece (413) is provided with a pushing protrusion (4131) which can push against the first locking piece (412) when the sliding seat is moved from the unlocking position to the locking position, so that the first locking piece (412) keeps locking, and the sliding seat (16) is provided with a first pushing element (414) which can reset relatively.
2. The stroller of claim 1, wherein: the front legs (11) and the rear legs (12) are arranged in an X-shaped manner when the infant stroller is unfolded.
3. The infant stroller of claim 1 or 2, wherein: the front stay bar (141) is also provided with a mounting seat (142), one end of the linkage piece (15) is rotationally connected to the mounting seat (142) around a fourth axis (D), and the other end of the linkage piece (15) is rotationally connected to the front leg (11) around a third axis (C).
4. A stroller according to claim 3, characterized in that: and a torsion spring (3) is arranged between the mounting seat (142) and the linkage piece (15).
5. The stroller of claim 4, wherein: the rear stay bar (143) is arranged on the connecting seat (13) and is positioned at the rear side of the front stay bar (141), and a hand push rod (144) which can slide relative to the rear stay bar (143) is connected in the rear stay bar.
6. The stroller of claim 5, wherein: the rear leg (12) include around first axis (A) rotate rear leg frame (122) of being connected on preceding leg (11), rear leg frame (122) lower extreme around second axis (B) rotate and connect on connecting seat (13), rear wheel (121) connect in rear leg frame (122) lower extreme, rear leg (12) on still be equipped with transverse connection's horizontal stay (123), the middle part of horizontal stay (123) be equipped with can give way portion (1231) for hand push pole (144) when the infant shallow is folded.
7. The stroller of claim 5, wherein: the sliding seat (16) and the front supporting rod (141) between be equipped with two locking assembly (5), two locking assembly (5) including locating locking position (51) on front supporting rod (141), sliding seat (16) in-connection have can relative its pivoted rotating member (52), rotating member (52) front end be equipped with can with locking position (51) joint trip portion (521), rotating member (52) rear end be equipped with pushing up by portion (522), push rod (144) on be equipped with can push up pushing up by portion (144) and make trip portion (521) and locking position (51) release unlocking portion (1441) that break away from when its relative back supporting rod (143) slides, rotating member (52) and sliding seat (16) between be equipped with elastic reset piece (53) that can push up to reset of rotating member (52).
8. The stroller of claim 5, wherein: the push rod (144) in still be equipped with in the push rod (144) and can drive sliding block (423) that second locking piece (422) slided and break away from second locking position (421) when being pulled, push rod (144) on be equipped with second operating piece (424) that can rotate relative to it, second operating piece (424) and sliding block (423) between be equipped with and can drive sliding block (425) that sliding block (424) was gone into or break away from second locking position (421) sliding block (423) that sliding piece (144) was gone into in second operating rod (144), second operating piece (424) and sliding block (423) between be equipped with and can drive sliding block (424) gliding cable (425) when second operating piece (423) rotated, second operating piece (424) and pushing piece (144) between be equipped with second pushing piece (422) that second operating piece (422) can reset, pushing piece (423) and pushing piece (427) that sliding piece (423) can be equipped with between second pushing piece (422) and fourth pushing piece (427).
9. The stroller of claim 5, wherein: the novel sliding device is characterized in that a third locking assembly (43) capable of locking the linkage piece (15) and the stay rod assembly (14) is arranged between the linkage piece (15) and the stay rod assembly (14), the third locking assembly (43) comprises a clamping pin (431) arranged on a front leg (11), a sliding piece (432) capable of sliding relative to the linkage piece (15) is arranged on the linkage piece (15), a third locking position (4321) capable of being clamped with or separated from the clamping pin (431) when the linkage piece (15) slides relative to the linkage piece is arranged on the sliding piece (432), a sliding unlocking piece (433) capable of sliding relative to the front stay rod (141) to push the sliding piece (432) is arranged in the front stay rod (141), a sliding connecting piece (434) capable of sliding relative to the front stay rod (141) is also connected in the front stay rod (141), a sliding unlocking piece (435) capable of sliding relative to the sliding piece (434) is connected in the connecting seat (13), an inclined plane (436) capable of pushing the sliding piece (435) which can slide relative to the clamping pin (431), and an elastic pushing piece (437) is arranged between the sliding piece (432) and a reset piece (141).
10. The stroller of claim 1, wherein: the front leg (11) comprises a front leg frame (112), a connecting part (113) is connected to the front leg frame (112), a front wheel frame (114) is connected to the lower end of the front leg frame (112), the front wheel (111) can rotate 360 degrees relative to the front wheel frame (114) on a horizontal plane, a rotating seat (115) is connected to the upper end of the front leg frame (112), and the front end of a linkage piece (15) is connected to the rotating seat (115) in a rotating mode around a third axis (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311037120.4A CN117087742A (en) | 2023-08-16 | 2023-08-16 | An infant stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311037120.4A CN117087742A (en) | 2023-08-16 | 2023-08-16 | An infant stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117087742A true CN117087742A (en) | 2023-11-21 |
Family
ID=88774462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311037120.4A Pending CN117087742A (en) | 2023-08-16 | 2023-08-16 | An infant stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117087742A (en) |
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| US3847406A (en) * | 1973-03-27 | 1974-11-12 | Thayer Inc | Folding stroller |
| US20090033065A1 (en) * | 2007-07-31 | 2009-02-05 | Kenzou Kassai | Canopied foldable baby carriage |
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| CN214296094U (en) * | 2020-11-25 | 2021-09-28 | 好孩子儿童用品有限公司 | stroller |
| CN217074490U (en) * | 2022-03-05 | 2022-07-29 | 中山市威雅科技有限公司 | Children's shallow frame |
| CN116513293A (en) * | 2023-06-14 | 2023-08-01 | 昆山爱思贝儿童用品有限公司 | Child cart |
| CN220682463U (en) * | 2023-08-16 | 2024-03-29 | 中山市星尚婴儿用品有限公司 | Infant handcart |
-
2023
- 2023-08-16 CN CN202311037120.4A patent/CN117087742A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3847406A (en) * | 1973-03-27 | 1974-11-12 | Thayer Inc | Folding stroller |
| US20090033065A1 (en) * | 2007-07-31 | 2009-02-05 | Kenzou Kassai | Canopied foldable baby carriage |
| CN205345000U (en) * | 2015-12-10 | 2016-06-29 | 刘月玲 | Novel foldable baby's shallow |
| CN214296094U (en) * | 2020-11-25 | 2021-09-28 | 好孩子儿童用品有限公司 | stroller |
| CN217074490U (en) * | 2022-03-05 | 2022-07-29 | 中山市威雅科技有限公司 | Children's shallow frame |
| CN116513293A (en) * | 2023-06-14 | 2023-08-01 | 昆山爱思贝儿童用品有限公司 | Child cart |
| CN220682463U (en) * | 2023-08-16 | 2024-03-29 | 中山市星尚婴儿用品有限公司 | Infant handcart |
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Country or region after: China Address after: 528400Guangdong ProvinceZhongshan CityDachong TownNanwen VillageKui Lang RoadLangfeng Street No.3Third Floor Applicant after: ZHONGSHAN XINGSHANG BABY PRODUCT Co.,Ltd. Address before: 528400, No. 28, Second and Third Floors, Lane 1, Xiangsheng Road, Shenglong Village, Xiaolan Town, Zhongshan City, Guangdong Province Applicant before: ZHONGSHAN XINGSHANG BABY PRODUCT Co.,Ltd. Country or region before: China |
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