WO2024098646A1 - 儿童载具 - Google Patents

儿童载具 Download PDF

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Publication number
WO2024098646A1
WO2024098646A1 PCT/CN2023/085986 CN2023085986W WO2024098646A1 WO 2024098646 A1 WO2024098646 A1 WO 2024098646A1 CN 2023085986 W CN2023085986 W CN 2023085986W WO 2024098646 A1 WO2024098646 A1 WO 2024098646A1
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WO
WIPO (PCT)
Prior art keywords
assembly
locking mechanism
rear joint
groove
locking
Prior art date
Application number
PCT/CN2023/085986
Other languages
English (en)
French (fr)
Inventor
刘修平
Original Assignee
珠海阳光儿童用品有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海阳光儿童用品有限公司 filed Critical 珠海阳光儿童用品有限公司
Publication of WO2024098646A1 publication Critical patent/WO2024098646A1/zh

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Definitions

  • the present disclosure relates to the field of children's safety travel products, and in particular to child safety seats or child carriers such as baby carriages and strollers.
  • the inventor has discovered through research that the switching process of the child carrier in the related art between different usage states requires relatively complicated operation steps, which is not convenient for operations such as rapid folding and storage and rapid switching and pushing.
  • an embodiment of the present disclosure provides a child carrier, which can improve the convenience of switching between different usage states of the child carrier and meet usage requirements such as easy to carry, easy to fold and unfold, easy to push, and easy to store.
  • a child carrier comprising:
  • a carrier body comprising a back panel assembly and a seat panel rotatably connected to the back panel assembly, wherein the carrier body can be unfolded or folded by relative rotation of the seat panel and the back panel assembly;
  • a walking mechanism connected to the carrier body and capable of being unfolded or folded relative to the carrier body;
  • the child carrier is in a first use state, a second use state or a third use state through the unfolding or folding of the carrier body and/or the running mechanism.
  • the carrier body is configured to be unfolded in the first use state and the second use state, and folded in the third use state.
  • the running mechanism is configured to be unfolded in the second use state, and folded in the first use state and the third use state.
  • At least one switching process among the first use state, the second use state and the third use state is achieved by applying force to the operating part arranged on the carrier body.
  • the carrier body further includes a slideway assembly disposed on the back plate assembly, and the walking mechanism includes:
  • a rear joint assembly is slidably connected to the slide assembly
  • a front foot assembly wherein one end of the front foot assembly away from the ground is rotatably connected to the seat plate;
  • a connecting rod assembly one end of which is connected to the front foot assembly, the other end of which is connected to the rear joint assembly, and the length of which is adjustable;
  • a rear foot assembly connected to the rear joint assembly and rotatable relative to the connecting rod assembly;
  • the rear joint assembly when the walking mechanism is unfolded relative to the vehicle body, the rear joint assembly is located at one end of the slideway assembly close to the ground, the front foot assembly and the rear foot assembly are configured to support the ground after connecting the wheel assembly, and the seat plate, the front foot assembly and the connecting rod assembly form a triangle;
  • the rear joint assembly When the walking mechanism is folded relative to the vehicle body, the rear joint assembly is located at the end of the slide assembly away from the ground, the front foot assembly is against the seat plate, the rear foot assembly is against the back plate assembly, and the seat plate, back plate assembly and connecting rod assembly form a triangle.
  • the child carrier in the first use state is a child safety seat, so as to be installed on a car seat, or to be used by snapping with an independent base, or to be used as an infant carrier;
  • the child carrier in the second position of use is a baby carriage so as to be pushed on the ground;
  • the third usage state of the child carrier is the minimum folded state.
  • the operating unit includes:
  • a first unlocking member disposed on the rear surface of the back panel assembly
  • the switching process from the first use state to the second use state is achieved by applying force to the first unlocking member.
  • the front foot assembly includes: two front foot rods hinged on both sides of the vehicle body and a first cross bar connected between the two front foot rods; the bottom of the seat plate has a second groove; the rear joint assembly has a locking member and a rear joint cover, the locking member is axially slidably arranged in the rear joint cover, and the rear foot assembly is connected to the rear joint cover; the back plate assembly has a sliding high point installation groove arranged adjacent to the end of the slide groove assembly away from the ground;
  • the child carrier further comprises: a second locking mechanism arranged on the groove wall of the second groove and a fifth locking mechanism movably connected to the sliding high point mounting groove, the second locking mechanism being configured to restrict the first cross bar within the second groove in a locked state, and the fifth locking mechanism being configured to restrict the rear joint cover and/or the locking member from sliding along the slide groove assembly toward an end close to the ground in a locked state;
  • the first unlocking member is connected to the second locking mechanism and the fifth locking mechanism through the second rope and the fifth rope respectively, and is configured to simultaneously unlock the second locking mechanism and the fifth locking mechanism so that the first cross bar can be disengaged from the second groove, and the rear
  • the joint cover and/or the locking member can slide along the slideway assembly.
  • the operating unit includes:
  • a first unlocking member disposed on the rear surface of the back panel assembly
  • the switching process from the third use state to the first use state is achieved by applying force to the first unlocking member.
  • the side of the back panel assembly has a side panel, the lower side of the side panel is provided with a folding slot, the side of the seat panel has a folding locking pin, and the folding locking pin is configured to be buckled in the folding slot in a locked state to limit the relative rotation of the seat panel and the back panel assembly;
  • the first unlocking member is connected to the folding locking pin through the sixth rope, and is configured to unlock the folding locking pin so that the folding locking pin is disengaged from the folding slot, thereby releasing the restriction on the relative movement of the seat plate and the back plate assembly.
  • the front foot assembly includes: two front foot rods hinged on both sides of the carrier body respectively and a first cross bar connected between the two front foot rods;
  • the bottom of the seat plate has a second groove;
  • the child carrier also includes: a second locking mechanism arranged on the groove wall of the second groove, configured to restrict the first cross bar in the second groove in a locked state;
  • the side of the back plate assembly has a side plate, the lower side of the side plate is provided with a folding groove, the side of the seat plate has a folding locking pin, and the folding locking pin is configured to be buckled in the folding groove in a locked state to restrict the relative rotation of the seat plate and the back plate assembly;
  • the first unlocking member is connected to the second locking mechanism through the second rope and is fixedly connected to the folding locking pin.
  • the first unlocking member is configured to simultaneously unlock the second locking mechanism and the folding locking pin so that the first cross bar can be disengaged from the second groove and the folding locking pin can be disengaged from the folding slot, thereby releasing the restriction on the relative movement of the seat plate and the back plate assembly.
  • the operating unit includes:
  • a first unlocking member disposed on the rear surface of the back panel assembly
  • the switching process from the third use state to the second use state is achieved by applying force to the first unlocking member.
  • the front foot assembly includes: two front foot rods respectively hinged on both sides of the vehicle body and a first cross bar connected between the two front foot rods, and the bottom of the seat plate has a second groove;
  • the rear joint assembly has a locking piece and a rear joint cover, the locking piece is slidably arranged in the rear joint cover along the axial direction, and the rear foot assembly is connected to the rear joint cover;
  • the back plate assembly has a sliding high point installation groove arranged adjacent to the end of the slide groove assembly away from the ground;
  • the side of the back plate assembly has a side plate, the lower side of the side plate is provided with a folding groove, and the side of the seat plate has a folding locking pin;
  • the child carrier further includes: a second locking mechanism disposed on the groove wall of the second groove and a second locking mechanism disposed on the sliding high point.
  • the fifth locking mechanism is configured to be movably connected to the groove, the second locking mechanism is configured to restrict the first cross bar in the second groove in the locked state, and the fifth locking mechanism is configured to restrict the rear joint cover and/or the locking member from sliding along the slide groove assembly toward the end close to the ground in the locked state;
  • the folding locking pin is configured to be buckled in the folding slot in the locked state to restrict the relative rotation of the seat plate and the back plate assembly;
  • the first unlocking member is connected to the second locking mechanism, the fifth locking mechanism and the folding locking pin through the second rope, the fifth rope and the sixth rope respectively, and is configured to simultaneously unlock the second locking mechanism, the fifth locking mechanism and the folding locking pin so that the first cross bar can be disengaged from the second groove, the rear joint cover and/or the locking member can slide along the slide slot assembly, and the folding locking pin can be disengaged from the folding slot, thereby releasing the restriction on the relative movement of the seat plate and the back plate assembly.
  • the front foot assembly includes: two front foot rods hinged on both sides of the vehicle body and a first cross bar connected between the two front foot rods, and the bottom of the seat plate has a second groove;
  • the rear joint assembly has a locking piece and a rear joint cover, the locking piece is slidably arranged in the rear joint cover along the axial direction, and the rear foot assembly is connected to the rear joint cover;
  • the back plate assembly has a sliding high point installation groove arranged adjacent to the end of the slide groove assembly away from the ground;
  • the side of the back plate assembly has a side plate, the lower side of the side plate is provided with a folding groove, and the side of the seat plate has a folding locking pin;
  • the child carrier further comprises: a second locking mechanism arranged on the groove wall of the second groove and a fifth locking mechanism movably connected to the sliding high point mounting groove, the second locking mechanism being configured to restrict the first cross bar in the second groove in a locked state, and the fifth locking mechanism being configured to restrict the rear joint cover and/or the locking member from sliding along the slide groove assembly toward one end close to the ground in a locked state; the folding locking latch being configured to be buckled in the folding latch groove in a locked state to restrict the relative rotation of the seat plate and the back plate assembly;
  • the first unlocking member is connected to the second locking mechanism, the fifth locking mechanism and the folding locking pin through the second rope, the fifth rope and the sixth rope respectively.
  • the second rope and the fifth rope are longer than the sixth rope.
  • the first unlocking member is configured to unlock the folding locking pin in the first stroke so that the folding locking pin disengages from the folding slot, thereby releasing the restriction on the relative movement of the seat plate and the back plate assembly, and then unlock the second locking mechanism and the fifth locking mechanism in the second stroke so that the first cross bar can disengage from the second groove, and the rear joint cover and/or the locking member can slide along the slide slot assembly.
  • the operating unit includes:
  • a connecting belt respectively connecting an unlocking handle arranged on the upper surface of the seat plate and a second unlocking member arranged on the front surface of the back plate assembly;
  • the switching process from the second use state to the third use state is achieved by applying force to the connecting belt.
  • the connecting rod assembly comprises a first connecting rod and a second connecting rod, the second connecting rod is sleeved in the first connecting rod and can slide relative to the first connecting rod;
  • the rear joint assembly comprises a locking member and a rear joint cover, the locking member is axially slidably arranged in the rear joint cover, and the rear foot assembly is connected to the rear joint cover;
  • the back plate assembly comprises a sliding low point mounting groove, The adjacent chute assembly is arranged at one end close to the ground; the back plate assembly has a first cavity, and the seat plate has a second cavity;
  • the child carrier further comprises: a fourth locking mechanism arranged on the connecting rod assembly, a first locking mechanism connected to the locking member, and a third locking mechanism slidably arranged in the first cavity and the second cavity, the fourth locking mechanism being configured to limit the relative movement of the first connecting rod and the second connecting rod in a locked state, the first locking mechanism being configured to make the locking member limit the rotation and sliding of the rear joint cover relative to the carrier body in a locked state, and the third locking mechanism being configured to be inserted into the first cavity and the second cavity that are docked with the cavity opening in a locked state to limit the relative rotation of the back plate assembly and the seat plate;
  • the unlocking handle is connected to the fourth locking mechanism and the third locking mechanism through the fourth rope and the third rope respectively
  • the second unlocking piece is connected to the first locking mechanism through the first rope
  • the connecting belt is configured to simultaneously unlock the fourth locking mechanism, the third locking mechanism and the first locking mechanism by driving the unlocking handle and the second unlocking piece, so that the first connecting rod and the second connecting rod can be relatively retracted, and the locking piece is pushed out of the sliding low point mounting groove and retracted into the rear joint cover, so that the rear joint cover can rotate and/or slide relative to the carrier body, and the cavity opening of the first cavity and the cavity opening of the second cavity can be separated, so that the back plate assembly can rotate relative to the seat plate.
  • the operating unit includes:
  • a handle assembly is slidably inserted into the back plate assembly
  • the switching process from the second use state to the first use state is achieved by applying force to the handle assembly.
  • the rear joint assembly has a locking member and a rear joint cover, the locking member is slidably disposed in the rear joint cover along the axial direction, and the rear foot assembly is connected to the rear joint cover;
  • the back plate assembly has a sliding low point mounting groove, which is disposed adjacent to an end of the slide groove assembly close to the ground;
  • the child carrier further comprises: a first locking mechanism connected to the locking member, the first locking mechanism being configured to cause the locking member to restrict the rotation and sliding of the rear joint cover relative to the carrier body in a locked state;
  • the handle assembly is opposite to the first locking mechanism and is configured to press the first locking mechanism to unlock, so as to push the locking member out of the sliding low point installation slot and retract into the rear joint cover, thereby allowing the rear joint cover to rotate and/or slide relative to the carrier body.
  • the rear joint assembly has a locking member and a rear joint cover, the locking member is slidably disposed in the rear joint cover along the axial direction, and the rear foot assembly is connected to the rear joint cover;
  • the back plate assembly has a sliding low point mounting groove, which is disposed adjacent to an end of the slide groove assembly close to the ground;
  • the child carrier further comprises: a first locking mechanism connected to the locking member and a headrest assembly fixedly connected to the handle assembly, wherein the first locking mechanism is configured to cause the locking member to restrict the rear joint cover from moving relative to the carrier body in a locked state. Rotation and sliding of bodies;
  • the handle assembly is opposite to the first locking mechanism and is configured to press the first locking mechanism to unlock, so as to push the locking member out of the sliding low point installation slot and retract into the rear joint cover, thereby allowing the rear joint cover to rotate and/or slide relative to the carrier body.
  • the operating unit includes:
  • a second unlocking member disposed on the front surface of the back panel assembly
  • the switching process from the second use state to the first use state is achieved by applying force to the second unlocking member.
  • the rear joint assembly has a locking member and a rear joint cover, the locking member is slidably disposed in the rear joint cover along the axial direction, and the rear foot assembly is connected to the rear joint cover;
  • the back plate assembly has a sliding low point mounting groove, which is disposed adjacent to an end of the slide groove assembly close to the ground;
  • the child carrier further comprises: a first locking mechanism connected to the locking member, the first locking mechanism being configured to cause the locking member to restrict the rotation and sliding of the rear joint cover relative to the carrier body in a locked state;
  • the second unlocking member is connected to the first locking mechanism via a first rope and is configured to unlock the first locking mechanism to push the locking member out of the sliding low point mounting slot and retract into the rear joint cover, thereby enabling the rear joint cover to rotate and/or slide relative to the carrier body.
  • the operating unit includes:
  • An unlocking handle is arranged on the upper surface of the seat plate
  • the switching process from the first use state to the third use state is achieved by applying force to the unlocking handle.
  • the connecting rod assembly has a first connecting rod and a second connecting rod, the second connecting rod is sleeved in the first connecting rod and can slide relative to the first connecting rod;
  • the back plate assembly has a first cavity, and the seat plate has a second cavity;
  • the child carrier further comprises: a fourth locking mechanism disposed on the connecting rod assembly and a third locking mechanism slidably disposed in the first cavity and the second cavity, the fourth locking mechanism being configured to limit the relative movement of the first connecting rod and the second connecting rod in a locked state, and the third locking mechanism being configured to be inserted into the first cavity and the second cavity whose cavities are docked in a locked state to limit the relative rotation of the back plate assembly and the seat plate;
  • the unlocking handle is connected to the fourth locking mechanism and the third locking mechanism through the fourth rope and the third rope respectively, and is configured to unlock the fourth locking mechanism and the third locking mechanism at the same time, so that the first connecting rod and the second connecting rod can be relatively extended and retracted, and the cavity opening of the first cavity and the cavity opening of the second cavity can be separated, so that the back panel assembly can be rotatable relative to the seat panel.
  • it further comprises: a handle sleeve disposed in the back plate assembly and a handle rod movably connected to the handle sleeve;
  • the child carrier also includes: an eighth locking mechanism arranged on the handlebar rod and a handle unlocking member connected to the eighth locking mechanism through an eighth rope, the eighth locking mechanism is configured to limit the extension and retraction of the handlebar rod relative to the handlebar sleeve in a locked state, and the handle unlocking member is configured to unlock the eighth locking mechanism so that the handlebar rod can be extended and retracted relative to the handlebar sleeve.
  • it further comprises: a handlebar lower tube connected to the rear joint assembly and a handlebar upper tube movably connected to the handlebar lower tube;
  • the child carrier also includes: a ninth locking mechanism arranged on the handlebar upper tube and a handlebar unlocking member connected to the ninth locking mechanism through a ninth rope, the ninth locking mechanism being configured to limit the extension and retraction of the handlebar upper tube relative to the handlebar lower tube in a locked state, and the handlebar unlocking member being configured to unlock the ninth locking mechanism so that the handlebar upper tube can be extended and retracted relative to the handlebar lower tube.
  • the rear joint assembly has a locking member and a rear joint cover, the locking member is axially slidably disposed in the rear joint cover, and the rear foot assembly is connected to the rear joint cover;
  • the handlebar lower tube has a handlebar joint cover, and is connected to the rear joint assembly through the handlebar joint cover;
  • the child carrier further comprises: a tenth locking mechanism movably connected to the handle joint cover, configured to be clamped between the rear joint assembly and the handle joint cover in a locked state to limit the relative rotation of the handle lower tube and the rear joint assembly;
  • the handlebar upper tube is opposite to the tenth locking mechanism and is configured to press the tenth locking mechanism to unlock, so as to push the locking piece out of the rear joint assembly and retract into the handlebar joint cover so that the handlebar joint cover can rotate relative to the rear joint assembly.
  • the backboard assembly includes: an adjustable backrest rotatably connected to the seat plate and two side structures respectively arranged on both sides of the adjustable backrest; the angle of the adjustable backrest relative to the side structures is adjustable;
  • the side structure has a plurality of backrest adjustment fixing grooves on one side close to the adjustable backrest, and the plurality of backrest adjustment fixing grooves correspond to different angles of the adjustable backrest;
  • the adjustable backrest includes a backrest adjustment pin and a first unlocking member connected to the backrest adjustment pin through a seventh rope, the backrest adjustment pin being configured to be inserted into one of a plurality of backrest adjustment fixing slots in a locked state so that the adjustable backrest and the seat plate are locked at different opening and closing angles, and the first unlocking member being configured to disengage the backrest adjustment pin from the backrest adjustment fixing slot so that the adjustable backrest can rotate relative to the seat plate.
  • it further includes: a headrest, a headrest sleeve and a headrest telescopic tube disposed in the adjustable backrest, the headrest telescopic tube being movably connected to the headrest sleeve and having one end connected to the headrest;
  • the child carrier also includes: an eleventh locking mechanism arranged on the telescopic tube of the headrest and a headrest adjustment key arranged on the headrest and connected to the eleventh locking mechanism through an eleventh rope, and the eleventh locking mechanism is configured to limit the telescopic tube of the headrest from telescoping within the headrest sleeve when in a locked state; the headrest adjustment key is configured to unlock the eleventh locking mechanism so that the telescopic tube of the headrest can be telescoping relative to the headrest sleeve.
  • it also includes:
  • a second unlocking member disposed on the front surface of the back panel assembly
  • the headrest automatically slides down the top block, which is arranged adjacent to the headrest telescopic tube and the headrest sleeve;
  • the automatic sliding pull block of the headrest abuts against the groove of the automatic sliding top block of the headrest through a wedge-shaped surface, and is connected to the second unlocking member through a twelfth rope;
  • the automatic sliding pull block of the headrest is configured to drive the automatic sliding top block of the headrest to push the headrest adjustment pin into the headrest telescopic tube as the second unlocking piece is operated, so that the headrest telescopic tube moves downward in the headrest sleeve to be folded in the headrest sleeve.
  • the rear joint assembly has a locking member and a rear joint cover, the locking member is slidably arranged in the rear joint cover along the axial direction, and the rear foot assembly is connected to the rear joint cover;
  • the back plate assembly has a sliding low point installation groove, which is arranged adjacent to the end of the slide groove assembly close to the ground;
  • the back plate assembly includes an adjustable backrest rotatably connected to the seat plate and two side structures respectively arranged on both sides of the adjustable backrest; the angle of the adjustable backrest relative to the side structure is adjustable;
  • the slide groove assembly has a first slide groove, the rear joint assembly has a rear joint cover, and the rear joint cover has a first protrusion penetrating the first slide groove;
  • the left and right sides of the adjustable backrest are provided with a first control groove and a second control groove connected to the first control groove and forming an angle;
  • the child carrier further comprises: a first locking mechanism connected to the locking member, the first locking mechanism being configured to cause the locking member to restrict the rotation and sliding of the rear joint cover relative to the carrier body in a locked state;
  • the first control groove is parallel to the first slide groove when the adjustable backrest is at a steam seat setting angle relative to the seat plate, and the first protrusion is configured to pass through the first control groove when the adjustable backrest is at a steam seat setting angle relative to the seat plate, so as to be slidable along the first control groove and the first slide groove, and only after the rear joint assembly slides to the sliding low point mounting groove and is locked by the first locking mechanism, when the adjustable backrest is adjusted relative to the side structure, the first protrusion slides along the second control groove.
  • a groove is provided on the side wall of the unlocking handle
  • the child carrier further includes: a handle locking mechanism
  • the handle locking mechanism includes: a handle buckle and a first buckle reset element
  • the handle buckle has a protrusion
  • the protrusion of the handle buckle is movably connected to the groove of the unlocking handle
  • the first buckle reset element abuts against a side of the handle buckle away from the unlocking handle.
  • a groove is provided on the side wall of the second unlocking member
  • the child carrier further includes: a secondary locking mechanism
  • the secondary locking mechanism includes: a buckle and a second buckle reset element
  • the buckle has a protrusion
  • the protrusion of the buckle is movably connected to the groove of the second unlocking member
  • the second buckle reset element abuts against a side of the buckle away from the second unlocking member.
  • At least one switching process between the three usage states can be completed by applying force to the operating part on the carrier body, which allows the user to complete the switching operation even with one hand, making it convenient for the user to hold the baby while operating or carrying the child carrier, and quickly switch between pushing and quick folding and storage operations, thereby meeting the usage requirements of easy carrying, easy folding and unfolding, easy pushing and easy storage, thereby providing multiple usage functions while having extremely high operational convenience.
  • FIG. 1 is a schematic diagram of an exploded structure of some embodiments of a child carrier according to the present disclosure
  • FIG. 2 is a schematic diagram of different usage states of some embodiments of the child carrier according to the present disclosure
  • FIG3 is a schematic diagram of the exploded structure of other embodiments of the child carrier according to the present disclosure.
  • FIG4 is a schematic diagram of a second use state of other embodiments of the child carrier according to the present disclosure.
  • FIG5 is a schematic diagram of a first use state of other embodiments of the child carrier according to the present disclosure.
  • FIG6 is a schematic diagram of a third use state of other embodiments of the child carrier according to the present disclosure.
  • FIG. 7 is a schematic diagram of a back panel assembly according to some embodiments of the child carrier of the present disclosure.
  • FIG8 is a cross-sectional view of a seat panel according to some embodiments of the child carrier of the present disclosure.
  • FIG. 9 (a) and (b) are cross-sectional views of the child carrier body according to some embodiments of the present disclosure.
  • FIG. 10 (a) and (b) are cross-sectional views of the child carrier body according to other embodiments of the child carrier of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a first locking mechanism according to some embodiments of the child carrier of the present disclosure.
  • FIG. 12 (a) and (b) are schematic structural diagrams of handlebar assemblies according to some embodiments of the child carrier of the present disclosure.
  • FIG. 13 (a) and (b) are schematic structural diagrams of handlebar assemblies according to other embodiments of the child carrier of the present disclosure.
  • FIG. 14 is a partial cross-sectional view of other embodiments of a child carrier according to the present disclosure.
  • FIG. 15 (a) and (b) are schematic structural diagrams of headrest assemblies according to some embodiments of the child carrier of the present disclosure.
  • FIG. 16 is a cross-sectional view of a back panel assembly according to some embodiments of the child carrier of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a connecting rod assembly according to some embodiments of the child carrier of the present disclosure.
  • FIG. 18 is a schematic structural diagram of a rear foot assembly according to some embodiments of the child carrier of the present disclosure.
  • FIG. 19 is a schematic structural diagram of a secondary locking mechanism according to some embodiments of the child carrier of the present disclosure.
  • the reference numerals represent: 1. Back plate assembly; 2. Rear foot assembly; 3. Front foot assembly; 4. Seat plate; 5. Connecting rod assembly; 7. Adjustable backrest; 8. Headrest assembly; 9. Handlebar assembly; 103. Sliding low point mounting slot; 104. Sliding high point mounting slot; 105. Folding slot; 112. Top block; 113. Pull block; 115. High point latch; 121. Handlebar sleeve; 123. First cavity; 124. Second cavity; 201. First protrusion; 202. Second protrusion; 211. Rear joint cover; 212. Locking piece; 301.
  • First Crossbar 401, seat group pivot point; 412-1, unlock handle pivot point; 411, back panel locking pin; 412, unlock handle; 414, unlock top block; 415, crossbar locking pin; 416, folding locking pin; 417, third rope; 419, power block; 420, handle buckle; 421, first buckle reset element; 422, connecting belt; 423, torsion spring; 423, buckle; 424, second buckle reset element; 501, through hole on first connecting rod; 502, through hole on second connecting rod; 511, first First connecting rod; 512, second connecting rod; 513, support bar; 514, connecting rod latch; 515, fourth reset element; 516, fixed seat; 701, first control slot; 702, second control slot; 711, first unlocking member; 712, second unlocking member; 713, backrest adjustment latch; 714, headrest sleeve; 715, headrest automatic sliding pull block; 716, headrest automatic sliding top block; 717, twelfth rope; 717-1, seventh rope; 717-2,
  • a specific device when a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.
  • the specific device When a specific device is described as being connected to other devices, the specific device may be directly connected to the other device without an intermediate device, or may not be directly connected to the other device but have an intermediate device.
  • Figure 1 is a schematic diagram of the structural decomposition of some embodiments of the child carrier according to the present disclosure
  • Figure 2 is a schematic diagram of different usage states of some embodiments of the child carrier according to the present disclosure
  • Figure 3 is a schematic diagram of the structural decomposition of other embodiments of the child carrier according to the present disclosure
  • Figure 4 is a schematic diagram of the second usage state of other embodiments of the child carrier according to the present disclosure
  • Figure 5 is a schematic diagram of the first usage state of other embodiments of the child carrier according to the present disclosure
  • Figure 6 is a schematic diagram of the third usage state of other embodiments of the child carrier according to the present disclosure.
  • the child carrier includes: a carrier body and a running mechanism.
  • the carrier body has a back panel assembly 1 and a seat panel 4 rotatably connected to the back panel assembly 1, and the carrier body can be unfolded or folded by relative rotation of the seat panel 4 and the back panel assembly 1.
  • the running mechanism is connected to the carrier body and can be unfolded or folded relative to the carrier body.
  • the child carrier presents a first use state, a second use state or a third use state through the unfolding or folding of the carrier body and/or the running mechanism.
  • the carrier body is configured to unfold in the first use state and the second use state, and fold in the third use state.
  • the running mechanism is configured to unfold in the second use state, and fold in the first use state and the third use state. At least one switching process of switching between the first use state, the second use state and the third use state is realized by applying a force to an operating part provided on the carrier body.
  • the switching between the three use states can be completed by applying force to the operating part on the carrier body.
  • One less switching process allows users to complete the switching operation even with one hand, making it convenient for users to hold the baby while operating or carrying the child carrier, and quickly switch between pushing and folding operations to meet the needs of easy carrying, easy folding, easy pushing and easy storage, thereby providing a variety of usage functions while having extremely high operational convenience.
  • the vehicle body further comprises a slideway assembly disposed on the back plate assembly 1, and the walking mechanism comprises: a rear joint assembly, a front foot assembly 3, a connecting rod assembly 5 and a rear foot assembly 2.
  • the rear joint assembly is slidably connected to the slideway assembly, one end of the front foot assembly 3 away from the ground is rotatably connected to the seat plate 4, one end of the connecting rod assembly 5 is connected to the front foot assembly 3, and the other end of the connecting rod assembly 5 is connected to the rear joint assembly, and the length of the connecting rod assembly 5 is adjustable.
  • the rear foot assembly 2 is connected to the rear joint assembly and is rotatable relative to the connecting rod assembly 5.
  • the rear joint assembly When the walking mechanism is unfolded relative to the vehicle body, the rear joint assembly is located at the end of the chute assembly close to the ground, the front foot assembly 3 and the rear foot assembly 2 are configured to support the ground after connecting the wheel group, the seat plate 4, the front foot assembly 3 and the connecting rod assembly 5 form a triangle, and the seat plate 4, the front foot assembly 3 and the connecting rod assembly 5 form a triangular support structure.
  • the rear joint assembly When the walking mechanism is folded relative to the vehicle body, the rear joint assembly is located at the end of the chute assembly away from the ground, the front foot assembly 3 is abutted against the seat plate 4, the rear foot assembly 2 is abutted against the back plate assembly 1, the seat plate 4, the back plate assembly 1 and the connecting rod assembly 5 form a triangle, and the seat plate 4, the back plate assembly 1 and the connecting rod assembly 5 form a triangular support structure.
  • the front surface of the back plate assembly 1 is opposite to the upper surface of the seat plate 4, and is at an acute angle or parallel, the front foot assembly 3 is abutted against the seat plate 4, and the rear foot assembly 2 is abutted against the back plate assembly 1.
  • a triangular support structure is formed by the seat plate 4, the front leg assembly 3 and the connecting rod assembly 5, and in the first and third use states, a triangular support structure is formed by the seat plate 4, the back plate assembly 1 and the connecting rod assembly 5.
  • a stable force-bearing structure can be formed in each use state, thereby improving the safety of use and helping to meet the lightweight requirements of the child carrier.
  • the child carrier in the first use state is a child safety seat, which is convenient for installation on a car seat, or for use by snapping with an independent base, or for use as an infant carrier.
  • the child carrier in the second use state is a baby carriage, which is convenient for pushing on the ground.
  • the third use state is the minimum folded state of the child carrier.
  • the child carrier can be installed in combination with the vehicle seat in the motor vehicle, or can be pushed and used independently outside the motor vehicle or used as a cradle. It can also be folded to the smallest storage state for easy carrying and storage. It is light, easy to fold and carry, and can significantly improve the safety and convenience of traveling with children.
  • FIG. 7 is a schematic diagram of a back panel assembly according to some embodiments of the child carrier of the present disclosure.
  • the operating portion includes a first unlocking member 711 disposed on the rear surface of the back panel assembly 1 .
  • the switching process from the first state to the second use state is achieved by applying force to the first unlocking member 711.
  • the child carrier by pressing or pulling the first unlocking member 711, the child carrier can be switched from the first usage state to the second usage state.
  • the user only needs to operate the first unlocking member 711 with one hand to complete the conversion from the car seat or basket state to the stroller state, which can greatly improve the operational convenience.
  • Figure 8 is a cross-sectional view of a seat plate according to some embodiments of the child carrier of the present disclosure
  • Figures (a) and (b) of Figure 9 are cross-sectional views of a back plate assembly according to some embodiments of the child carrier of the present disclosure.
  • a front foot assembly 3 includes: two front foot rods respectively hinged on both sides of the carrier body and a first cross bar 301 connected between the two front foot rods; the bottom of the seat plate 4 has a second groove; the rear joint assembly has a locking member 212 and a rear joint cover 211, the locking member 212 is axially slidably arranged in the rear joint cover 211, and the rear foot assembly 2 is connected to the rear joint cover 211; the back plate assembly 1 has a sliding high point mounting groove 104 arranged at an end of the adjacent slide groove assembly away from the ground.
  • the child carrier also includes: a second locking mechanism arranged on the groove wall of the second groove and a fifth locking mechanism movably connected to the sliding high point mounting groove 104, the second locking mechanism is configured to restrict the first cross bar 301 within the second groove in a locked state, and the fifth locking mechanism is configured to restrict the rear joint cover 211 and/or the locking member 212 from sliding along the slide groove assembly toward one end close to the ground in a locked state.
  • the second locking mechanism In the locked state of the first cross bar 301, the second locking mechanism is configured to restrict the first cross bar 301 in the second groove; in the unlocked state of the first cross bar 301, the first cross bar 301 can be disengaged from the second groove.
  • a booster block 419 can also be provided in the second groove to assist the first cross bar 301 to pop out therefrom.
  • the second locking mechanism may include a cross bar locking bayonet 415 and a second reset element.
  • the second reset element keeps the cross bar locking bayonet 415 in a state of extending relative to the groove wall of the second groove to restrict the first cross bar 301 from moving out of the second groove; the cross bar locking bayonet 415 is configured to retract into the groove wall of the second groove as the first unlocking member 711 is operated, so that the first cross bar 301 is unlocked and can be disengaged from the second groove.
  • the fifth locking mechanism is movably connected to the sliding high point installation groove 104 so that the rear joint cover 211 can switch between the high point locking state and the high point unlocking state.
  • the fifth locking mechanism restricts the rear joint cover 211 and/or the locking member 212 from sliding along the slideway assembly toward one end close to the ground.
  • the rear joint cover 211 and/or the locking member 212 can slide along the slideway assembly.
  • the fifth locking mechanism may include: a high point bayonet 115 pull block and a high point bayonet 115.
  • the high point bayonet 115 pull block is slidably connected to the second unlocking member 712 along the oblique groove of the second unlocking member 712.
  • the high point bayonet 115 abuts against the high point bayonet 115 pull block.
  • the high-point latch 115 extends relative to the sliding high-point installation slot 104 to limit the rear joint cover 211 and/or the locking member 212 from sliding in a direction close to the ground.
  • the high-point latch 115 pull block is configured to move along the slide slot with the operation of the second unlocking member 712 to pull the high-point latch 115 back into the sliding high-point installation slot 104. so that the rear joint cover 211 and/or the locking member 212 can slide along the slide groove assembly.
  • the first unlocking member 711 is connected to the second locking mechanism and the fifth locking mechanism through the second rope 717-2 and the fifth rope 717-4 respectively, and is configured to unlock the second locking mechanism and the fifth locking mechanism at the same time so that the first cross bar 301 can be disengaged from the second groove, and the rear joint cover 211 and/or the locking member 212 can slide along the slide groove assembly.
  • the second locking mechanism and the fifth locking mechanism are unlocked at the same time.
  • the rear joint assembly slides and rotates along the slide assembly toward the low point of the slide assembly, and the first cross bar 301 pops out from the second groove, so that the front foot assembly 3 and the rear foot assembly 2 are both unfolded relative to the carrier body, and converted into a baby stroller that can be pushed on the ground.
  • the operating portion includes a first unlocking member 711 disposed on the rear surface of the back panel assembly 1 .
  • the switching process from the third use state to the first use state is achieved by applying force to the first unlocking member 711 .
  • the child carrier by pressing or pulling the first unlocking member 711, the child carrier can be switched from the third usage state to the first usage state.
  • the user only needs to operate the first unlocking member 711 with one hand to complete the expansion from the minimum folded state to the car seat or basket state, which can greatly improve the operational convenience.
  • the side of the back panel assembly 1 has a side panel
  • the lower side of the side panel is provided with a folding slot 105
  • the side of the seat panel 4 has a folding locking pin 416, which is configured to be snapped into the folding slot 105 in a locked state to limit the relative rotation of the seat panel 4 and the back panel assembly 1.
  • the folding locking pin 416 When the back panel assembly 1 is in the folded locked state, the folding locking pin 416 is engaged in the folding slot 105 to limit the relative movement of the seat panel 4 and the back panel assembly 1. When the back panel assembly 1 is in the folded unlocked state, the folding locking pin 416 is disengaged from the folding slot 105.
  • the first unlocking member 711 is connected to the folding locking pin 416 via the sixth rope 717 - 3 and is configured to unlock the folding locking pin 416 so that the folding locking pin 416 is disengaged from the folding slot 105 , thereby releasing the restriction on the relative movement of the seat plate 4 and the back plate assembly 1 .
  • the folding locking pin 416 is driven to move by the first unlocking member 711, so that the back panel assembly 1 and the seat panel 4 can be unlocked in the minimum folded state.
  • the user only needs to operate and pull the back panel assembly 1 to unfold the carrier body.
  • the front foot assembly 3 includes: two front foot rods respectively hinged on both sides of the carrier body and a first cross bar 301 connected between the two front foot rods;
  • the child carrier further includes: a second locking mechanism disposed on the groove wall of the second groove, configured to restrict the first cross bar 301 in the second groove in a locked state;
  • the side of the back plate assembly has a side plate, the lower side of the side plate is provided with a folding slot, and the side of the seat plate has a A folding locking latch 416 is provided, and the folding locking latch 416 is configured to be engaged in the folding slot 105 in a locked state to limit the relative rotation of the seat plate and the back plate assembly;
  • the first unlocking member 711 is connected to the second locking mechanism through the second rope 717-2 and is fixedly connected to the folding locking pin 416.
  • the first unlocking member 711 is configured to simultaneously unlock the second locking mechanism and the folding locking pin 416 so that the first cross bar 301 can be disengaged from the second groove and the folding locking pin 416 can be disengaged from the folding slot 105, thereby releasing the restriction on the relative movement of the seat plate and the back plate assembly.
  • the folding locking pin 416 can also be fixedly connected to the first unlocking member 711 linked to the second locking mechanism, and the folding locking pin 416 and the second locking mechanism can be synchronously unlocked by simply pulling the first unlocking member 711.
  • the operating portion includes a first unlocking member 711 disposed on the rear surface of the back panel assembly 1 .
  • the switching process from the third use state to the second use state is achieved by applying force to the first unlocking member 711 .
  • the back panel assembly 1 when the user operates the first unlocking member 711, the back panel assembly 1 can be rotated and unfolded to a preset angle relative to the seat panel 4, and the front leg assembly 3 and the rear leg assembly 2 can be extended relative to the carrier body, thereby achieving an effortless and easy switching of the child carrier from the minimum folded state to the stroller pushing state.
  • the front foot assembly 3 includes: two front foot rods hinged on both sides of the vehicle body and a first cross bar 301 connected between the two front foot rods, and the bottom of the seat plate 4 has a second groove;
  • the rear joint assembly has a locking piece 212 and a rear joint cover 211, the locking piece 212 is axially slidably arranged in the rear joint cover 211, and the rear foot assembly 2 is connected to the rear joint cover 211;
  • the back plate assembly 1 has a sliding high point installation groove 104 arranged at one end of the adjacent slide groove assembly away from the ground;
  • the side of the back plate assembly 1 has a side panel, and the lower side of the side panel is provided with a folding slot 105, and the side of the seat plate 4 has a folding locking pin 416.
  • the child carrier also includes: a second locking mechanism arranged on the groove wall of the second groove and a fifth locking mechanism movably connected to the sliding high point mounting groove 104, the second locking mechanism is configured to limit the first cross bar 301 in the second groove in a locked state, and the fifth locking mechanism is configured to limit the rear joint cover 211 and/or the locking member 212 from sliding along the slide groove assembly toward the end close to the ground in a locked state; the folding locking pin 416 is configured to be snapped into the folding groove 105 in a locked state to limit the relative rotation of the seat plate 4 and the back plate assembly 1.
  • the first unlocking member 711 is connected to the second locking mechanism, the fifth locking mechanism and the folding locking pin 416 through the second rope 717-2, the fifth rope 717-4 and the sixth rope 717-3 respectively, and is configured to simultaneously unlock the second locking mechanism, the fifth locking mechanism and the folding locking pin 416 so that the first cross bar 301 can be disengaged from the second groove, the rear joint cover 211 and/or the locking member 212 can slide along the slide groove assembly, and the folding locking pin 416 can be disengaged from the folding groove 105, thereby releasing the restriction on the relative movement of the seat plate 4 and the back plate assembly 1.
  • the user can simultaneously unlock the second locking mechanism, the fifth locking mechanism and the folding locking pin 416 by pulling the first unlocking member 711, so that the previously locked structures of the child carrier can be quickly unfolded under the action of gravity, including the unfolding of the seat plate relative to the back plate assembly, the extension of the connecting rod assembly, the unfolding of the front leg group and the downward sliding and unfolding of the rear leg group, etc., so as to quickly switch from the minimum folded state to the stroller state for ground use, so that the user can unfold the child carrier more safely and conveniently while holding the baby.
  • the front foot assembly 3 includes: two front foot rods hinged on both sides of the vehicle body and a first cross bar 301 connected between the two front foot rods, and the bottom of the seat plate 4 has a second groove;
  • the rear joint assembly has a locking piece 212 and a rear joint cover 211, the locking piece 212 is axially slidably arranged in the rear joint cover 211, and the rear foot assembly 2 is connected to the rear joint cover 211;
  • the back plate assembly 1 has a sliding high point installation groove 104 arranged at one end of the adjacent slide groove assembly away from the ground;
  • the side of the back plate assembly 1 has a side panel, and the lower side of the side panel is provided with a folding slot 105, and the side of the seat plate 4 has a folding locking pin 416.
  • the child carrier also includes: a second locking mechanism arranged on the groove wall of the second groove and a fifth locking mechanism movably connected to the sliding high point mounting groove 104, the second locking mechanism is configured to limit the first cross bar 301 in the second groove in a locked state, and the fifth locking mechanism is configured to limit the rear joint cover 211 and/or the locking member 212 from sliding along the slide groove assembly toward the end close to the ground in a locked state; the folding locking pin 416 is configured to be snapped into the folding groove 105 in a locked state to limit the relative rotation of the seat plate 4 and the back plate assembly 1.
  • the first unlocking member 711 is connected to the second locking mechanism, the fifth locking mechanism and the folding locking pin 416 through the second rope 717-2, the fifth rope 717-4 and the sixth rope 717-3 respectively.
  • the second rope 717-2 and the fifth rope 717-4 are both longer than the sixth rope 717-3.
  • the first unlocking member 711 is configured to unlock the folding locking pin 416 in the first stroke so that the folding locking pin 416 disengages from the folding slot 105, thereby releasing the restriction on the relative movement of the seat plate and the back plate assembly, and then unlock the second locking mechanism and the fifth locking mechanism in the second stroke so that the first cross bar 301 can disengage from the second groove, and the rear joint cover 211 and/or the locking member 212 can slide along the slide slot assembly.
  • a graded unlocking function can be provided for the first unlocking member 711.
  • the folding locking latch 416 is first unlocked to open the back panel assembly at the first stroke of the first unlocking member 711, and the second locking mechanism and the fifth locking mechanism are still in a locked state. Then the first unlocking member 711 is operated continuously, and the second locking mechanism and the fifth locking mechanism can be unlocked at the second stroke of the first unlocking member 711.
  • FIG. 10 (a) and (b) are cross-sectional views of the child carrier body according to other embodiments of the child carrier disclosed herein.
  • the operating portion includes a connecting belt 422, which respectively connects the unlocking handle 412 disposed on the upper surface of the seat plate 4 and the second unlocking member 712 disposed on the front surface of the back plate assembly 1.
  • the switching process from the second use state to the third use state is achieved by applying force to the connecting belt 422 .
  • Figure 11 is a schematic diagram of the structure of the first locking mechanism according to some embodiments of the child carrier of the present disclosure
  • Figure 17 is a schematic diagram of the structure of the connecting rod assembly according to some embodiments of the child carrier of the present disclosure
  • Figure 18 is a schematic diagram of the structure of the rear foot assembly according to some embodiments of the child carrier of the present disclosure.
  • the connecting rod assembly 5 has a first connecting rod 511 and a second connecting rod 512, and the second connecting rod 512 is sleeved in the first connecting rod 511 and can slide relative to the first connecting rod 511;
  • the rear joint assembly has a locking piece 212 and a rear joint cover 211, and the locking piece 212 is axially slidably arranged in the rear joint cover 211, and the rear foot assembly 2 is connected to the rear joint cover 211;
  • the back plate assembly 1 has a sliding low point mounting groove 103, which is arranged adjacent to the end of the slide groove assembly close to the ground;
  • the back plate assembly 1 has a first cavity, and the seat plate 4 has a second cavity.
  • the child carrier also includes: a fourth locking mechanism arranged on the connecting rod assembly 5, a first locking mechanism connected to the locking member 212, and a third locking mechanism slidably arranged in the first cavity 123 and the second cavity 124, the fourth locking mechanism is configured to limit the relative movement of the first connecting rod 511 and the second connecting rod 512 in a locked state, the first locking mechanism is configured to enable the locking member 212 to limit the rotation and sliding of the rear joint cover 211 relative to the carrier body in a locked state, and the third locking mechanism is configured to be inserted into the first cavity 123 and the second cavity 124 that are docked with the cavity in a locked state to limit the relative rotation of the back panel assembly 1 and the seat panel 4.
  • the first locking mechanism may include: a top block 112, a pulling block 113 and a first resetting element.
  • the top block 112 has an oblique groove and abuts against the locking member 212.
  • the pulling block 113 has a groove that matches the oblique groove of the top block 112, is slidably connected to the top block 112 along the oblique groove of the top block 112, and is connected to the first unlocking member 711 through a first rope.
  • the first resetting element is arranged between the end of the rope and the pulling block 113.
  • the first resetting element keeps the locking member 212 axially located between the sliding low point mounting groove 103 and the rear joint cover 211, and the locking member 212 and the rear joint cover 211 cannot rotate relative to each other.
  • the pulling block 113 is configured to move with the operation of the first unlocking member 711.
  • the first rope is driven to pull the pulling block 113 to move along the length direction of the slide groove on the locking member 212, thereby driving the top block 112 to move toward the locking member 212 and push the locking member 212 to axially disengage from the sliding low point installation groove 103, so that the locking member 212 is retracted into the rear joint cover 211 to unlock the rear joint cover 211.
  • the rear joint cover 211 and the locking member 212 can rotate relative to each other.
  • the third locking mechanism may include a back panel locking pin 411 and a third reset element.
  • the back panel locking pin 411 is connected to the unlocking handle 412 via a third rope 417, and the third reset element is connected between the first end of the back panel locking pin 411 and the first end of the second cavity 124 away from the cavity opening.
  • the third reset element may be configured to keep the opening and closing angle of the back panel assembly 1 and the seat panel 4 assembly at a set angle of the car seat, for example, 98°.
  • the fourth locking mechanism may include: a fixing seat 516, a connecting rod bayonet 514 and a fourth reset element 515.
  • the fixing seat 516 includes a support bar 513, the first end of the support bar 513 has a long sliding groove, the second end has a receiving groove, the first end of the support bar 513 is provided with a first sleeve section, the first sleeve section is communicated with the long sliding groove, the second end of the support bar 513 is provided with a second sleeve section, the second sleeve section is communicated with the receiving groove, and the first sleeve section and the second sleeve section are both sleeved on the first connecting rod 511.
  • the connecting rod bayonet 514 is arranged in the receiving groove, and the fourth reset element 515 is arranged between the receiving groove and the connecting rod bayonet 514; wherein, in the locked state of the connecting rod assembly 5, the fourth reset element 515 is configured to keep the connecting rod bayonet 514 in the locked position of the through hole 501 penetrating the first connecting rod and the through hole 502 penetrating the second connecting rod.
  • the unlocking handle 412 is connected to the fourth locking mechanism and the third locking mechanism through the fourth rope and the third rope 417 respectively, the second unlocking piece 712 is connected to the first locking mechanism through the first rope, and the connecting belt 422 is configured to simultaneously unlock the fourth locking mechanism, the third locking mechanism and the first locking mechanism by driving the unlocking handle 412 and the second unlocking piece 712, so that the first connecting rod 511 and the second connecting rod 512 can be relatively retracted, and push the locking piece 212 to disengage from the sliding low point mounting groove 103 and retract into the rear joint cover 211, so that the rear joint cover 211 can rotate and/or slide relative to the carrier body, and the cavity opening of the first cavity 123 and the cavity opening of the second cavity 124 can be separated, so that the back plate assembly 1 can rotate relative to the seat plate 4.
  • the unlocking handle 412 is linked with the fourth locking mechanism and the third locking mechanism
  • the second unlocking member 712 is linked with the first locking mechanism
  • the unlocking handle 412 is connected with the second unlocking member 712 through the connecting belt 422.
  • the folding operation of the child carrier is mainly concentrated on the operation of the unlocking parts around the seat plate 4.
  • the operation room related to the unfolding operation is integrated on the rear back side of the back panel assembly 1, and the unlocking parts for the unfolding and folding operations are separated, which can prevent babies or parents from accidentally touching them during use, effectively improving the safety of operation.
  • FIG. 12 (a) and (b) are schematic diagrams of the structure of the handle assembly according to some embodiments of the child carrier of the present disclosure.
  • the operating portion includes a handle assembly 9, which is slidably inserted into the back plate assembly 1. The switching process from the second use state to the first use state is achieved by applying force to the handle assembly 9.
  • the user can push the handle assembly 9 to switch from the baby stroller state to the car seat state.
  • the conversion can be completed by pushing the hand handle assembly 9, and the user does not need to operate buttons in other parts, making the operation process more labor-saving and simple.
  • the rear joint assembly has a locking member 212 and a rear joint cover 211, the locking member 212 is axially slidably arranged in the rear joint cover 211, and the rear foot assembly 2 is connected to the rear joint cover 211; the back plate assembly 1 has a sliding low point mounting groove 103, which is arranged adjacent to the end of the slide groove assembly close to the ground.
  • the child carrier further includes a first locking mechanism connected to the locking member 212 , wherein the first locking mechanism is configured to enable the locking member 212 to restrict the rotation and sliding of the rear joint cover 211 relative to the carrier body in a locked state.
  • the handle assembly 9 is opposite to the first locking mechanism and is configured to press the first locking mechanism to unlock it, so as to push the locking member 212 out of the sliding low point installation groove 103 and retract it into the rear joint cover 211, so that the rear joint cover 211 can rotate and/or slide relative to the carrier body.
  • the first locking mechanism may include: a top block 112, a pulling block 113 and a first resetting element.
  • the top block 112 has an oblique groove and abuts against the locking member 212.
  • the pulling block 113 has a groove that matches the oblique groove of the top block 112, and is slidably connected to the top block 112 along the oblique groove of the top block 112.
  • the first resetting element is arranged between the end of the rope and the pulling block 113. In the locked state of the rear joint cover 211, the first resetting element keeps the locking member 212 axially located between the sliding low point mounting groove 103 and the rear joint cover 211, and at this time, the locking member 212 and the rear joint cover 211 cannot rotate relative to each other.
  • the pulling block 113 is configured to move with the operation of the first unlocking member 711.
  • the handle assembly 9 presses the top block 112
  • it drives the top block 112 to move toward the locking member 212 and pushes the locking member 212 axially out of the sliding low point mounting groove 103, so that the locking member 212 retracts into the rear joint cover 211 to unlock the rear joint cover 211.
  • the rear joint cover 211 and the locking member 212 can rotate relative to each other.
  • the user can complete the switch from the second usage state to the first usage state by operating the constant pressure handle assembly 9.
  • the front foot assembly 3 and the rear foot assembly 2 are retracted in the direction of the force applied toward the direction of the carrier body.
  • the rear joint assembly has a locking member 212 and a rear joint cover 211, the locking member 212 is slidably disposed in the rear joint cover 211 along the axial direction, and the rear foot assembly 2 is connected to the rear joint cover 211;
  • the back plate assembly has a sliding low point mounting groove 103, which is disposed adjacent to an end of the slide groove assembly close to the ground;
  • the child carrier further comprises: a first locking mechanism connected to the locking member 212 and a headrest assembly 8 fixedly connected to the handle assembly 9, wherein the first locking mechanism is configured to restrict the locking member 212 from closing when in a locked state.
  • the joint cover 211 rotates and slides relative to the carrier body;
  • the handle assembly 9 is opposite to the first locking mechanism and is configured to press the first locking mechanism to unlock, so as to push the locking member 212 out of the sliding low point mounting groove and retract 103 into the rear joint cover 211, so that the rear joint cover 211 can rotate and/or slide relative to the carrier body.
  • Unlocking buttons for locking the up and down sliding movement can be respectively provided on the left and right rods of the handle assembly 9 to prevent the user from accidentally operating the handle assembly 9 with one hand and lowering it to the lowest position, thereby triggering the first locking mechanism to unlock the folding walking mechanism.
  • the handle assembly 9 and the headrest assembly 8 can also be fixedly connected so that the headrest assembly 8 moves with the lifting and lowering of the handle assembly 9.
  • the first locking mechanism is pressed to unlock the rotation and/or sliding of the rear joint cover.
  • the operating portion includes a second unlocking member 712 disposed on the front surface of the back panel assembly 1 .
  • the switching process from the second use state to the first use state is achieved by applying force to the second unlocking member 712 .
  • the user can switch from the stroller state to the car seat state by operating the second unlocking member 712.
  • the user pushes the second unlocking member 712 to unlock, the user can apply force to the front leg assembly 3 and the rear axle assembly toward the carrier body, making the operation process more labor-saving and smooth.
  • the rear joint assembly has a locking member 212 and a rear joint cover 211, the locking member 212 is axially slidably arranged in the rear joint cover 211, and the rear foot assembly 2 is connected to the rear joint cover 211; the back plate assembly 1 has a sliding low point mounting groove 103, which is arranged adjacent to the end of the slide groove assembly close to the ground.
  • the child carrier further includes: a first locking mechanism connected to the locking member 212, the first locking mechanism being configured to allow the locking member 212 to restrict the rotation and sliding of the rear joint cover 211 relative to the carrier body in a locked state.
  • a second unlocking member 712 is connected to the first locking mechanism via a first rope, and is configured to unlock the first locking mechanism to push the locking member 212 out of the sliding low point installation slot 103 and retract into the rear joint cover 211, thereby enabling the rear joint cover 211 to rotate and/or slide relative to the carrier body.
  • the user can operate the second unlocking member 712 to unlock the low point lock of the slide groove, while providing the rear joint assembly with a tendency to move toward a higher position along the slide groove assembly, thereby easily and conveniently folding the front foot assembly 3 and the rear foot assembly 2.
  • the operating portion includes an unlocking handle 412 disposed on the upper surface of the seat plate 4.
  • the switching process from the first use state to the third use state is performed by unlocking the unlocking handle 412.
  • the force application action is realized.
  • the user can operate the unlocking handle 412 to switch the car seat state to the minimum folded state.
  • the user pulls the unlocking handle 412, the user can apply force to the back panel assembly 1 to press against the seat panel 4, making the operation process more labor-saving and smooth.
  • the connecting rod assembly 5 has a first connecting rod 511 and a second connecting rod 512, the second connecting rod 512 is sleeved in the first connecting rod 511 and can slide relative to the first connecting rod 511; the back panel assembly 1 has a first cavity 123, and the seat panel 4 has a second cavity 124.
  • the child carrier also includes: a fourth locking mechanism arranged on the connecting rod assembly 5 and a third locking mechanism slidably arranged in the first cavity 123 and the second cavity 124, the fourth locking mechanism is configured to limit the relative movement of the first connecting rod 511 and the second connecting rod 512 in a locked state, and the third locking mechanism is configured to be inserted into the first cavity 123 and the second cavity 124 that are docked with the cavity in a locked state to limit the relative rotation of the back panel assembly 1 and the seat panel 4.
  • the unlocking handle 412 is connected to the fourth locking mechanism and the third locking mechanism through the fourth rope and the third rope 417 respectively, and is configured to unlock the fourth locking mechanism and the third locking mechanism at the same time, so that the first connecting rod 511 and the second connecting rod 512 can be relatively extended and retracted, and the cavity opening of the first cavity 123 and the cavity opening of the second cavity 124 can be separated, so that the back panel assembly 1 can rotate relative to the seat panel 4.
  • the user can simultaneously unlock the third locking mechanism and the fourth locking mechanism by operating the unlocking handle 412, thereby realizing a quick switch from the car seat use state to the minimum folded state.
  • the child carrier further comprises: a handle sleeve 121 disposed in the back panel assembly 1 and a handle bar 910 movably connected to the handle sleeve 121.
  • the child carrier further comprises: an eighth locking mechanism disposed on the handle bar 910 and a handle unlocking member 911 connected to the eighth locking mechanism via an eighth rope 912, wherein the eighth locking mechanism is configured to restrict the extension and retraction of the handle bar 910 relative to the handle sleeve 121 in a locked state, and the handle unlocking member 911 is configured to unlock the eighth locking mechanism so that the handle bar 910 can be extended and retracted relative to the handle sleeve 121.
  • the eighth locking mechanism may include a first handle latch 913 and an eighth reset element 914.
  • the first handle latch 913 is connected to the handle unlocking member 911 through an eighth rope 912.
  • the eighth reset element 914 is disposed between the first handle latch 913 and the eighth rope 912.
  • the first handle latch 913 is clamped between the handle sleeve 121 and the handle bar 910 to restrict their relative movement.
  • the first handle latch 913 is driven by the eighth rope 912 to disengage from the handle sleeve 121 and retract into the handle bar 910, and the handle bar 910 can telescopically move relative to the handle sleeve 121.
  • the user can control the extension and retraction state of the handle assembly 9 by operating the handle unlocking member 911.
  • the handle bar 910 can be operated to lock it or adjust its relative extension length relative to the handle sleeve 121, so as to smoothly connect with the hand-held pushing action.
  • the child carrier further includes: a handlebar lower tube 916 connected to the rear joint assembly and a handlebar upper tube 915 movably connected to the handlebar lower tube 916.
  • the child carrier also includes: a ninth locking mechanism arranged on the handlebar upper tube 915 and a handlebar unlocking member 911 connected to the ninth locking mechanism via a ninth rope 919, wherein the ninth locking mechanism is configured to limit the extension and retraction of the handlebar upper tube 915 relative to the handlebar lower tube 916 in a locked state, and the handlebar unlocking member 911 is configured to unlock the ninth locking mechanism so that the handlebar upper tube 915 can be extended and retracted relative to the handlebar lower tube 916.
  • the ninth locking mechanism may include a second handlebar latch 917 and a ninth reset element 918.
  • the second handlebar latch 917 is connected to the handlebar unlocking member 911 through a ninth rope 919.
  • the ninth reset element 918 is disposed between the second handlebar latch 917 and the ninth rope 919.
  • the second handlebar latch 917 is clamped between the handlebar lower tube 916 and the handlebar upper tube 915 to restrict their relative movement.
  • the second handlebar latch 917 is driven by the ninth rope 919 to disengage from the handlebar lower tube 916 and retract into the handlebar upper tube 915, and the handlebar upper tube 915 can telescopically move relative to the handlebar lower tube 916.
  • the user can control the telescopic state of the handle assembly 9 by operating the handle unlocking member 911, and can lock the handle upper tube 915 or adjust its relative extension length relative to the handle lower tube 916 by operating it with one hand, so as to smoothly connect with the hand-held pushing action.
  • FIG 14 is a partial cross-sectional view of other embodiments of the child carrier according to the present disclosure.
  • the rear joint assembly has a locking piece 212 and a rear joint cover 211, the locking piece 212 is axially slidably arranged in the rear joint cover 211, and the rear foot assembly 2 is connected to the rear joint cover 211;
  • the handlebar lower tube 916 has a handlebar joint cover, which is connected to the rear joint assembly through the handlebar joint cover.
  • the child carrier also includes: a tenth locking mechanism movably connected to the handle joint cover, which is configured to be clamped between the rear joint assembly and the handle joint cover in a locked state to limit the relative rotation of the handle lower tube 916 and the rear joint assembly.
  • the tenth locking mechanism may include a positioning bayonet and a tenth resetting element 920.
  • the positioning bayonet is engaged between the rear joint assembly and the handle joint cover to limit the relative rotation of the handle joint cover and the rear joint assembly.
  • the handle upper tube 915 is opposite to the tenth locking mechanism.
  • the handle upper tube 915 is configured to press the tenth locking mechanism to unlock, so as to push the locking member 212 out of the rear joint assembly and retract into the handle joint cover so that the handle joint cover can rotate relative to the rear joint assembly.
  • the handle assembly 9 is connected to the rear joint assembly.
  • the angle of the handle assembly 9 needs to be adjusted, it is only necessary to push the handle upper tube 915 so that the handle assembly 9 can be rotated in different directions according to different needs of the user and different application scenarios, providing sufficient support for the user's use.
  • the connection between the handle upper tube 915 and the tenth locking mechanism is released to limit the rotation of the handle assembly 9 to keep it at a certain angle to prevent it from falling and causing safety hazards.
  • a preset rotation angle can be set in the handle joint cover, and the handle assembly 9 is limited when it is rotated to a certain angle.
  • the backboard assembly 1 includes: an adjustable backrest 7 rotatably connected to the seat plate 4 and two side structures respectively arranged on both sides of the adjustable backrest 7; the angle of the adjustable backrest 7 relative to the side structure is adjustable.
  • the side of the side structure close to the adjustable backrest 7 has a plurality of backrest adjustment fixing grooves, and the plurality of backrest adjustment fixing grooves correspond to different angles of the adjustable backrest 7;
  • the adjustable backrest 7 includes a backrest adjustment pin 713 and a first unlocking member 711 connected to the backrest adjustment pin 713 through a seventh rope 717-1.
  • the backrest adjustment pin 713 is configured to be inserted into one of a plurality of backrest adjustment fixing grooves in a locked state so that the adjustable backrest 7 and the seat plate 4 are locked at different opening and closing angles.
  • the first unlocking member 711 is configured to disengage the backrest adjustment pin 713 from the backrest adjustment fixing groove so that the adjustable backrest 7 can rotate relative to the seat plate 4.
  • the adjustable backrest 7 and the side structure can rotate relative to the same axis on the seat plate 4, and the adjustable backrest 7 can further adjust the relative opening and closing angle relative to the side structure.
  • the child carrier can be placed in a completely lying state, a semi-lying state, and a sitting state, providing users with more operation and use options.
  • the backboard assembly includes: an adjustable backrest rotatably connected to the seat plate and two side structures respectively arranged on both sides of the adjustable backrest; the angle of the adjustable backrest relative to the side structures is adjustable; the child carrier also includes a headrest, and the handle assembly includes: a headrest sleeve and a headrest telescopic tube arranged in the adjustable backrest, the headrest telescopic tube is movably connected to the headrest sleeve, and one end of the headrest telescopic tube is connected to the headrest;
  • the child carrier further includes: an eleventh locking mechanism disposed on the telescopic tube of the headrest and a headrest adjustment key disposed on the pillow and connected to the eleventh locking mechanism through an eleventh rope, wherein the eleventh locking mechanism is configured to limit the telescopic tube of the headrest in the headrest sleeve when in a locked state; the headrest adjustment key is configured to unlock the eleventh locking mechanism so that the telescopic tube of the headrest can be telescoped relative to the telescopic sleeve of the headrest.
  • the headrest assembly can also be connected to the handle assembly 9, and the telescopic headrest and the handle assembly 9 can be unlocked through the headrest sleeve and the telescopic tube of the headrest assembly.
  • FIG. 15 (a) and (b) are schematic diagrams of the structure of the headrest assembly according to some embodiments of the child carrier of the present disclosure.
  • the child carrier further includes: a headrest assembly 8, a headrest assembly 8 It comprises a headrest 811 , a headrest sleeve 714 and a headrest telescopic tube 812 arranged in the adjustable backrest 7 .
  • the headrest telescopic tube 812 is movably connected to the headrest sleeve 714 , and one end of the headrest telescopic tube 812 is connected to the headrest 811 .
  • the child carrier also includes: an eleventh locking mechanism 814 arranged on the headrest telescopic tube 812 and a headrest adjustment key 813 arranged on the headrest 811 and connected to the eleventh locking mechanism 814 through an eleventh rope 815, and the eleventh locking mechanism 814 is configured to limit the telescopic tube 812 from telescoping within the headrest sleeve when in a locked state; the headrest adjustment key 813 is configured to unlock the eleventh locking mechanism 814 so that the telescopic tube 812 can telescope relative to the headrest sleeve.
  • the user can operate the headrest adjustment key 813 and apply force to the headrest 811 to drive the headrest 811 to extend or retract relative to the headrest sleeve 714 to adapt to children of different heights and different sitting or lying postures.
  • Releasing the headrest adjustment key 813 can lock the headrest assembly 8 at the current angle, providing safe and stable support for the child in the sitting or lying state.
  • FIG16 is a cross-sectional view of a backboard assembly according to some embodiments of the child carrier of the present disclosure.
  • the child carrier further includes: a second unlocking member 712, a headrest automatic sliding top block 716, a headrest automatic sliding pull block 715, and a headrest restoring element 718.
  • the headrest restoring element is disposed on one side of the headrest automatic sliding top block 716.
  • the second unlocking member 712 is arranged on the front surface of the back plate assembly 1, the headrest automatic sliding top block 716 is arranged adjacent to the headrest telescopic tube 812 and the headrest sleeve 714, the headrest automatic sliding pull block 715 abuts against the groove of the headrest automatic sliding top block 716 through a wedge surface, and is connected to the second unlocking member 712 through a twelfth rope 717.
  • the headrest automatic sliding pull block 715 is configured to drive the headrest automatic sliding top block 716 to push the headrest adjustment pin into the headrest telescopic tube 812 as the second unlocking member 712 is operated, so that the headrest telescopic tube 812 moves downward in the headrest sleeve 714 to be folded in the headrest sleeve 714.
  • the user can operate the second unlocking member 712 to make the headrest assembly 8 automatically slide down from any height to the lowest position, so that the user can fold the child carrier conveniently.
  • a plurality of protrusions corresponding to different sliding heights can be provided on the headrest automatic sliding top block 716, so that the headrest 811 can achieve different sliding heights when the second unlocking member 712 is operated.
  • the backboard assembly 1 includes an adjustable backrest 7 rotatably connected to the seat plate 4 and two side structures respectively arranged on both sides of the adjustable backrest 7; the angle of the adjustable backrest 7 relative to the side structure is adjustable; the slide groove assembly has a first slide groove, the rear joint assembly has a rear joint cover 211, and the rear joint cover 211 has a first protrusion 201 that passes through the first slide groove; the left and right sides of the adjustable backrest 7 are provided with a first control groove 701 and a second control groove 702 that is connected to the first control groove 701 and forms an angle with it.
  • the first control groove 701 is parallel to the first slide groove when the adjustable backrest 7 is at a car seat setting angle relative to the seat plate 4, and the first protrusion 201 is configured to pass through the first control groove 701 when the adjustable backrest 7 is at a car seat setting angle relative to the seat plate 4, so as to be slidable along the first control groove 701 and the first slide groove, and only after the rear joint assembly slides to the sliding low point mounting groove 103 and is locked by the first locking mechanism, when the adjustable backrest 7 is adjusted relative to the side mechanism, the first protrusion 201 slides along the second control groove 702.
  • the user can rotate the adjustable backrest 7 only in the second usage state.
  • the rotation of the adjustable backrest 7 is restricted to prevent the adjustable backrest 7 from being separated from the side structure when in the car or in the storage state, thereby improving the safety and reliability of use.
  • the side wall of the unlocking handle 412 is provided with a groove
  • the child carrier also includes: a handle locking mechanism
  • the handle locking mechanism includes: a handle buckle 420 and a first buckle reset element 421
  • the handle buckle 420 has a protrusion
  • the protrusion of the handle buckle 420 is movably connected to the groove of the unlocking handle 412
  • the first buckle reset element 421 abuts against the side of the handle buckle 420 away from the unlocking handle 412.
  • the first buckle reset element 421 abuts against the lower side of the unlocking handle 412, and an inclined groove is provided on one side of the unlocking handle 412 to cooperate with the wedge-shaped protrusion on the handle buckle 420.
  • the wedge-shaped protrusion on the handle buckle 420 is engaged in the inclined groove of the unlocking handle 412 to limit the rotation of the unlocking handle 412.
  • the unlocking handle 412 can be unlocked, and at this time, one end of the unlocking handle 412 can pop out of the four sides of the base plate under the action of the first buckle reset element 421, which is convenient for the user to grasp and operate.
  • a handle locking mechanism can be provided for the unlocking handle 412.
  • the handle locking mechanism 56 needs to be unlocked first before the unlocking handle 412 can be used to switch the use status, thereby preventing a young child from accidentally touching the unlocking handle 412 while sitting on the seat, thereby effectively improving the safety of the child carrier.
  • Figure 19 is a schematic diagram of the structure of the secondary locking mechanism according to some embodiments of the child carrier of the present disclosure.
  • the side wall of the second unlocking member 712 is provided with a groove
  • the child carrier also includes: a secondary locking mechanism
  • the secondary locking mechanism includes: a buckle 423 and a second buckle reset element 424
  • the buckle 423 has a protrusion
  • the protrusion of the buckle 423 is movably connected to the groove of the second unlocking member 712
  • the second buckle reset element 424 abuts against the side of the buckle away from the second unlocking member 712.
  • a secondary locking mechanism can be set for the second unlocking member 712.
  • the second rope 717-2, the third rope 417, the fifth rope 717-4, the sixth rope 717-3, the seventh rope 717-1, the eighth rope 912, the ninth rope 919, the eleventh rope 815 and the twelfth rope 717 may preferably be steel ropes, or other ropes may be used. Material rope.

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  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

一种儿童载具，包括：载具本体，具有背板组件(1)和与背板组件(1)可转动连接的座板(4)，载具本体能够通过座板(4)与背板组件(1)的相对转动展开或收折；和行走机构，与载具本体连接，且能够相对于载具本体展开或收折；其中，儿童载具通过载具本体和/或行走机构的展开或收折呈现为第一使用状态、第二使用状态或第三使用状态，载具本体被配置为在第一使用状态和第二使用状态下展开，并在第三使用状态下收折，行走机构被配置为在第二使用状态展开，并在第一使用状态和第三使用状态下收折；第一使用状态、第二使用状态和第三使用状态之间相互切换的至少一个切换过程通过对设置在载具本体上的操作部的施力动作实现。

Description

儿童载具
相关申请的交叉引用
本申请是以申请号为202211402195.3，申请日为2022年11月09日的中国专利申请为基础，并主张其优先权，该中国专利申请的公开内容在此作为整体引入本申请中。
技术领域
本公开涉及儿童安全出行用品领域，尤其涉及儿童安全座椅或婴儿车、溜娃车等儿童载具。
背景技术
为了方便儿童安全座椅(尤其提篮)携带婴童外出旅行，相关技术的儿童安全座椅多数在车外场景下使用时、将座椅本体与车架组装形成婴儿车，以在地面推行使用；当需要在汽车内使用时，将座椅本体从车架上拆卸，安装在汽车座椅上使用。
发明内容
发明人经研究发现，相关技术中的儿童载具在不同使用状态下的切换过程需要较为繁琐的操作步骤，不便于快速折叠收纳和快速切换推行等操作。
有鉴于此，本公开实施例提供一种儿童载具，可以提高儿童载具不同使用状态切换的便利性，满足诸如易提行、易收展、易推行、易收纳的使用需求。
在本公开的一个方面，提供一种儿童载具，包括：
载具本体，具有背板组件和与背板组件可转动连接的座板，载具本体能够通过座板与背板组件的相对转动展开或收折；和
行走机构，与载具本体连接，且能够相对于载具本体展开或收折；
其中，儿童载具通过载具本体和/或行走机构的展开或收折呈现为第一使用状态、第二使用状态或第三使用状态，载具本体被配置为在第一使用状态和第二使用状态下展开，并在第三使用状态下收折，行走机构被配置为在第二使用状态展开，并在第一使用状态和第三使用状态下收折；
第一使用状态、第二使用状态和第三使用状态之间相互切换的至少一个切换过程通过对设置在载具本体上的操作部的施力动作实现。
在一些实施例中，载具本体还包括设置在背板组件上的滑槽组件，行走机构包括：
后关节组件，与滑槽组件滑动连接；
前脚组件，前脚组件远离地面的一端与座板可转动地连接；
连杆组件，连杆组件的一端与前脚组件连接，连杆组件的另一端与后关节组件连接，连杆组件的长度可调；和
后脚组件，与后关节组件连接，相对于连杆组件可转动；
其中，在行走机构相对于载具本体展开的状态下，后关节组件位于滑槽组件靠近地面的一端，前脚组件和后脚组件被配置为连接轮组后支撑地面，座板、前脚组件和连杆组件围成三角形；
在行走机构相对于载具本体收折的状态下，后关节组件位于滑槽组件远离地面的一端，前脚组件贴靠于座板，后脚组件贴靠于背板组件，座板、背板组件和连杆组件围成三角形。
在一些实施例中，处于第一使用状态下的儿童载具为儿童安全座椅，以便安装于汽车座椅、或与独立底座卡接使用、或作为婴儿提篮使用；
处于第二使用状态的儿童载具为婴儿车，以便在地面推行；
儿童载具的第三使用状态为最小收合状态。
在一些实施例中，操作部包括：
第一解锁件，设置在背板组件的后表面；
其中，第一使用状态到第二使用状态的切换过程通过对第一解锁件的施力动作实现。
在一些实施例中，前脚组件包括：分别铰接在载具本体的两侧的两个前脚杆和连接在两个前脚杆之间的第一横杆；座板的底部具有第二凹槽；后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；背板组件具有邻近滑槽组件远离地面的一端设置的滑动高点安装槽；
其中，儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构和与滑动高点安装槽活动连接的第五锁定机构，第二锁定机构被配置为在锁定状态下将第一横杆限制在第二凹槽内，第五锁定机构被配置为在锁定状态下限制后关节盖和/或锁定件沿滑槽组件向靠近地面的一端滑动；
第一解锁件分别通过第二绳和第五绳与第二锁定机构和第五锁定机构连接，被配置为同时解锁第二锁定机构和第五锁定机构，以使第一横杆能够脱离第二凹槽，且后 关节盖和/或锁定件能够沿滑槽组件滑动。
在一些实施例中，操作部包括：
第一解锁件，设置在背板组件的后表面；
其中，第三使用状态到第一使用状态的切换过程通过对第一解锁件的施力动作实现。
在一些实施例中，背板组件的侧面具有侧板，侧板的下侧设有具有折叠卡槽，座板的侧面具有折叠锁定卡销，折叠锁定卡销被配置为在锁定状态下扣合在折叠卡槽内，以限制座板和背板组件的相对转动；
其中，第一解锁件通过第六绳连接折叠锁定卡销，被配置为解锁折叠锁定卡销，以使折叠锁定卡销脱离折叠卡槽，从而解除对座板和背板组件的相对运动的限制。
在一些实施例中，前脚组件包括：分别铰接在载具本体的两侧的两个前脚杆和连接在两个前脚杆之间的第一横杆；座板的底部具有第二凹槽；儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构，被配置为在锁定状态下将第一横杆限制在第二凹槽内；背板组件的侧面具有侧板，侧板的下侧设有具有折叠卡槽，座板的侧面具有折叠锁定卡销，折叠锁定卡销被配置为在锁定状态下扣合在折叠卡槽内，以限制座板和背板组件的相对转动；
其中，第一解锁件通过第二绳与第二锁定机构连接，并与折叠锁定卡销固定连接，第一解锁件被配置为同时解锁第二锁定机构和折叠锁定卡销，以使第一横杆能够脱离第二凹槽，且折叠锁定卡销脱离折叠卡槽，从而解除对座板和背板组件的相对运动的限制。
在一些实施例中，操作部包括：
第一解锁件，设置在背板组件的后表面；
其中，第三使用状态到第二使用状态的切换过程通过对第一解锁件的施力动作实现。
在一些实施例中，前脚组件包括：分别铰接在载具本体的两侧的两个前脚杆和连接在两个前脚杆之间的第一横杆，座板的底部具有第二凹槽；后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；背板组件具有邻近滑槽组件远离地面的一端设置的滑动高点安装槽；背板组件的侧面具有侧板，侧板的下侧设有具有折叠卡槽，座板的侧面具有折叠锁定卡销；
其中，儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构和与滑动高点安 装槽活动连接的第五锁定机构，第二锁定机构被配置为在锁定状态下将第一横杆限制在第二凹槽内，第五锁定机构被配置为在锁定状态下限制后关节盖和/或锁定件沿滑槽组件向靠近地面的一端滑动；折叠锁定卡销被配置为在锁定状态下扣合在折叠卡槽内，以限制座板和背板组件的相对转动；
第一解锁件分别通过第二绳、第五绳和第六绳与第二锁定机构、第五锁定机构和折叠锁定卡销连接，被配置为同时解锁第二锁定机构、第五锁定机构和折叠锁定卡销，以使第一横杆能够脱离第二凹槽，后关节盖和/或锁定件能够沿滑槽组件滑动，以及折叠锁定卡销脱离折叠卡槽，从而解除对座板和背板组件的相对运动的限制。
在一些实施例中，前脚组件包括：分别铰接在载具本体的两侧的两个前脚杆和连接在两个前脚杆之间的第一横杆，座板的底部具有第二凹槽；后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；背板组件具有邻近滑槽组件远离地面的一端设置的滑动高点安装槽；背板组件的侧面具有侧板，侧板的下侧设有具有折叠卡槽，座板的侧面具有折叠锁定卡销；
其中，儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构和与滑动高点安装槽活动连接的第五锁定机构，第二锁定机构被配置为在锁定状态下将第一横杆限制在第二凹槽内，第五锁定机构被配置为在锁定状态下限制后关节盖和/或锁定件沿滑槽组件向靠近地面的一端滑动；折叠锁定卡销被配置为在锁定状态下扣合在折叠卡槽内，以限制座板和背板组件的相对转动；
第一解锁件分别通过第二绳、第五绳和第六绳与第二锁定机构、第五锁定机构和折叠锁定卡销连接，第二绳和第五绳均长于第六绳，第一解锁件被配置为在第一行程下解锁折叠锁定卡销，以使折叠锁定卡销脱离折叠卡槽，从而解除对座板和背板组件的相对运动的限制，然后在第二行程下解锁第二锁定机构和第五锁定机构，以使第一横杆能够脱离第二凹槽，且后关节盖和/或锁定件能够沿滑槽组件滑动。
在一些实施例中，操作部包括：
连接带，分别连接设置在座板的上表面的解锁提手和设置在背板组件的前表面的第二解锁件；
其中，第二使用状态到第三使用状态的切换过程通过对连接带的施力动作实现。
在一些实施例中，连杆组件具有第一连杆和第二连杆，第二连杆套接在第一连杆内，并可相对于第一连杆滑动；后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；背板组件具有滑动低点安装槽， 邻近滑槽组件靠近地面的一端设置；背板组件具有第一腔体，座板具有第二腔体；
其中，儿童载具还包括：设置在连杆组件上的第四锁定机构、与锁定件连接的第一锁定机构和可滑动地设置在第一腔体和第二腔体内的第三锁定机构，第四锁定机构被配置为在锁定状态下限制第一连杆和第二连杆的相对移动，第一锁定机构被配置为在锁定状态下使锁定件限制后关节盖相对于载具本体的转动和滑动，第三锁定机构被配置为在锁定状态下插入腔口对接的第一腔体和第二腔体，以限制背板组件与座板的相对转动；
解锁提手分别通过第四绳和第三绳与第四锁定机构和第三锁定机构连接，第二解锁件通过第一绳与第一锁定机构连接，连接带被配置为通过带动解锁提手和第二解锁件同时解锁第四锁定机构、第三锁定机构和第一锁定机构，以使第一连杆和第二连杆能够相对伸缩，且推动锁定件脱离滑动低点安装槽并缩回至后关节盖内，从而使后关节盖能够相对于载具本体转动和/或滑动，以及第一腔体的腔口和第二腔体的腔口能够分离，从而使背板组件相对于座板可转动。
在一些实施例中，操作部包括：
手把组件，可滑动地插接在背板组件内；
其中，第二使用状态到第一使用状态的切换过程通过对手把组件的施力动作实现。
在一些实施例中，后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；背板组件具有滑动低点安装槽，邻近滑槽组件靠近地面的一端设置；
其中，儿童载具还包括：与锁定件连接的第一锁定机构，第一锁定机构被配置为在锁定状态下使锁定件限制后关节盖相对于载具本体的转动和滑动；
手把组件与第一锁定机构相对，被配置为顶压第一锁定机构解锁，以推动锁定件脱离滑动低点安装槽并缩回至后关节盖内，从而使后关节盖能够相对于载具本体转动和/或滑动。
在一些实施例中，后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；背板组件具有滑动低点安装槽，邻近滑槽组件靠近地面的一端设置；
其中，儿童载具还包括：与锁定件连接的第一锁定机构和与手把组件固定连接的头靠组件，第一锁定机构被配置为在锁定状态下使锁定件限制后关节盖相对于载具本 体的转动和滑动；
手把组件与第一锁定机构相对，被配置为顶压第一锁定机构解锁，以推动锁定件脱离滑动低点安装槽并缩回至后关节盖内，从而使后关节盖能够相对于载具本体转动和/或滑动。
在一些实施例中，操作部包括：
第二解锁件，设置在背板组件的前表面；
其中，第二使用状态到第一使用状态的切换过程通过对第二解锁件的施力动作实现。
在一些实施例中，后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；背板组件具有滑动低点安装槽，邻近滑槽组件靠近地面的一端设置；
其中，儿童载具还包括：与锁定件连接的第一锁定机构，第一锁定机构被配置为在锁定状态下使锁定件限制后关节盖相对于载具本体的转动和滑动；
第二解锁件通过第一绳与第一锁定机构连接，被配置为解锁第一锁定机构，以推动锁定件脱离滑动低点安装槽并缩回至后关节盖内，从而使后关节盖能够相对于载具本体转动和/或滑动。
在一些实施例中，操作部包括：
解锁提手，设置在座板的上表面；
其中，第一使用状态到第三使用状态的切换过程通过对解锁提手的施力动作实现。
在一些实施例中，连杆组件具有第一连杆和第二连杆，第二连杆套接在第一连杆内，并可相对于第一连杆滑动；背板组件具有第一腔体，座板具有第二腔体；
其中，儿童载具还包括：设置在连杆组件上的第四锁定机构和可滑动地设置在第一腔体和第二腔体内的第三锁定机构，第四锁定机构被配置为在锁定状态下限制第一连杆和第二连杆的相对移动，第三锁定机构被配置为在锁定状态下插入腔口对接的第一腔体和第二腔体，以限制背板组件与座板的相对转动；
解锁提手分别通过第四绳和第三绳与第四锁定机构和第三锁定机构连接，被配置为同时解锁第四锁定机构和第三锁定机构，以使第一连杆和第二连杆能够相对伸缩，以及第一腔体的腔口和第二腔体的腔口能够分离，从而使背板组件相对于座板可转动。
在一些实施例中，还包括：设置在背板组件内的手把套管和与手把套管活动连接的手把杆；
其中，儿童载具还包括：设置在手把杆上的第八锁定机构和通过第八绳与第八锁定机构连接的手把解锁件，第八锁定机构被配置为在锁定状态下限制手把杆相对于手把套管伸缩，手把解锁件被配置为解锁第八锁定机构，以使手把杆相对于手把套管可伸缩。
在一些实施例中，还包括：与后关节组件连接的手把下管和与手把下管活动连接的手把上管；
其中，儿童载具还包括：设置在手把上管上的第九锁定机构和通过第九绳与第九锁定机构连接的手把解锁件，第九锁定机构被配置为在锁定状态下限制手把上管相对于手把下管伸缩，手把解锁件被配置为解锁第九锁定机构，以使手把上管相对于手把下管可伸缩。
在一些实施例中，后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；手把下管具有手把关节盖，通过手把关节盖与后关节组件连接；
其中，儿童载具还包括：与手把关节盖活动连接的第十锁定机构，被配置为在锁定状态下，卡接在后关节组件和手把关节盖之间，以限制手把下管和后关节组件的相对转动；
手把上管与第十锁定机构相对，被配置为顶压第十锁定机构解锁，以推动锁定件脱离后关节组件，并缩回至手把关节盖内，以使手把关节盖相对于后关节组件可转动。
在一些实施例中，背板组件包括：与座板可转动地连接的可调节靠背和分别设置在可调节靠背的两侧的两个侧边结构；可调节靠背相对于侧边结构的角度可调；
侧边结构靠近可调节靠背的一侧具有多个靠背调节固定槽，多个靠背调节固定槽对应于可调节靠背的不同角度；
可调节靠背包括靠背调节卡销和通过第七绳与靠背调节卡销连接的第一解锁件，靠背调节卡销被配置为在锁定状态下插入多个靠背调节固定槽中的一个，以使可调节靠背与座板锁定在不同的开合角度，第一解锁件被配置为使靠背调节卡销脱离靠背调节固定槽，以使可调节靠背相对于座板可转动。
在一些实施例中，还包括：头枕、设置在可调节靠背内的头靠套管和头靠伸缩管，头靠伸缩管与头靠套管活动连接，且一端与头枕连接；
其中，儿童载具还包括：设置在头靠伸缩管上的第十一锁定机构和设置在头枕上并通过第十一绳连接第十一锁定机构的头靠调节键，被配置为在锁定状态下第十一锁定机构被配置为限制头靠伸缩管在头靠套管内伸缩；头靠调节键被配置为解锁第十一锁定机构，以使头靠伸缩管能够相对在头靠套管伸缩。
在一些实施例中，还包括：
第二解锁件，设置在背板组件的前表面；
头靠自动滑落顶块，邻近头靠伸缩管和头靠套管设置；
头靠自动滑落拉块，与头靠自动滑落顶块的凹槽通过楔形面抵接，并与第二解锁件通过第十二绳连接；
头靠自动滑落拉块被配置为随第二解锁件的操作带动头靠自动滑落顶块将头靠调节卡销推入头靠伸缩管内，使头靠伸缩管在头靠套管内向下移动，以收合在头靠套管内。
在一些实施例中，后关节组件具有锁定件和后关节盖，锁定件沿轴向可滑动地设置在后关节盖内，后脚组件与后关节盖连接；背板组件具有滑动低点安装槽，邻近滑槽组件靠近地面的一端设置；背板组件包括与座板可转动地连接的可调节靠背和分别设置在可调节靠背的两侧的两个侧边结构；可调节靠背相对于侧边结构的角度可调；滑槽组件具有第一滑槽，后关节组件具有后关节盖，后关节盖具有穿设第一滑槽的第一凸起；可调节靠背的左右两侧设有第一控制槽和与第一控制槽连通且呈夹角的第二控制槽；
其中，儿童载具还包括：与锁定件连接的第一锁定机构，第一锁定机构被配置为在锁定状态下使锁定件限制后关节盖相对于载具本体的转动和滑动；
其中，第一控制槽在可调节靠背相对于座板呈汽座设定角度时与第一滑槽平行，第一凸起被配置为在可调节靠背相对于座板呈汽座设定角度时穿过第一控制槽，以便沿第一控制槽和第一滑槽可滑动，并且仅在后关节组件滑动至滑动低点安装槽，且被第一锁定机构锁定后，可调节靠背相对于侧边结构调节角度时，第一凸起沿第二控制槽滑动。
在一些实施例中，解锁提手的侧壁设有凹槽，儿童载具还包括：提把锁定机构，提把锁定机构包括：提把卡扣和第一卡扣复位元件，提把卡扣具有凸起，提把卡扣的凸起与解锁提手的凹槽活动连接，第一卡扣复位元件抵接在提把卡扣远离解锁提手的一侧。
在一些实施例中，第二解锁件的侧壁设有凹槽，儿童载具还包括：次级锁定机构，次级锁定机构包括：卡扣和第二卡扣复位元件，卡扣具有凸起，卡扣的凸起与第二解锁件的凹槽活动连接，第二卡扣复位元件抵接在卡扣远离第二解锁件的一侧。
因此，根据本公开实施例，通过对载具本体上的操作部的施力即可完成三种使用状态之间的至少一个切换过程，这可使用户即便单手也能完成切换操作，方便用户在操作或携带儿童载具的同时能够抱住婴儿，快速切换推行和快速折叠收纳等操作，满足易提行、易收展、易推行和易收纳等使用需求，从而在提供多种使用功能的同时兼具极高的操作便利性。
附图说明
构成说明书的一部分的附图描述了本公开的实施例，并且连同说明书一起用于解释本公开的原理。
参照附图，根据下面的详细描述，可以更加清楚地理解本公开，其中：
图1是根据本公开儿童载具的一些实施例的结构分解示意图；
图2是根据本公开儿童载具的一些实施例的不同使用状态示意图；
图3是根据本公开儿童载具的另一些实施例的结构分解示意图；
图4是根据本公开儿童载具的另一些实施例的第二使用状态的示意图；
图5是根据本公开儿童载具的另一些实施例的第一使用状态的示意图；
图6是根据本公开儿童载具的另一些实施例的第三使用状态的示意图；
图7是根据本公开儿童载具的一些实施例的背板组件示意图；
图8是根据本公开儿童载具的一些实施例的座板剖视图；
图9的(a)和(b)是根据本公开儿童载具的一些实施例的载具本体剖视图；
图10的(a)和(b)是根据本公开儿童载具的另一些实施例的载具本体剖视图；
图11是根据本公开儿童载具的一些实施例的第一锁定机构的结构示意图；
图12的(a)和(b)是根据本公开儿童载具的一些实施例的手把组件的结构示意图；
图13的(a)和(b)是根据本公开儿童载具的另一些实施例的手把组件的结构示意图；
图14是根据本公开儿童载具的另一些实施例的局部剖视图；
图15的(a)和(b)是根据本公开儿童载具的一些实施例的头靠组件的结构示意图；
图16是根据本公开儿童载具的一些实施例的背板组件剖视图；
图17是根据本公开儿童载具的一些实施例的连杆组件的结构示意图；
图18是根据本公开儿童载具的一些实施例的后脚组件的结构示意图；
图19是根据本公开儿童载具的一些实施例的次级锁定机构的结构示意图。
各附图标记分别代表：
1、背板组件；2、后脚组件；3、前脚组件；4、座板；5、连杆组件；7、可调节
靠背；8、头靠组件；9、手把组件；103、滑动低点安装槽；104、滑动高点安装槽；105、折叠卡槽；112、顶块；113、拉动块；115、高点卡销；121、手把套管；123、第一腔体；124、第二腔体；201、第一凸起；202、第二凸起；211、后关节盖；212、锁定件；301、第一横杆；401、座位组转点；412-1、解锁提手转点；411、背板锁定卡销；412、解锁提手；414、解锁顶块；415、横杆锁定卡销；416、折叠锁定卡销；417、第三绳；419、助力块；420、提把卡扣；421、第一卡扣复位元件；422、连接带；423、扭簧；423、卡扣；424、第二卡扣复位元件；501、第一连杆上的通孔；502、第二连杆上的通孔；511、第一连杆；512、第二连杆；513、支撑条；514、连杆卡销；515、第四复位元件；516、固定座；701、第一控制槽；702、第二控制槽；711、第一解锁件；712、第二解锁件；713、靠背调节卡销；714、头靠套管；715、头靠自动滑落拉块；716、头靠自动滑落顶块；717、第十二绳；717-1、第七绳；717-2、第二绳；717-3、第六绳；717-4、第五绳；718、头靠复位元件；911、手把解锁件；811、头枕；812、头靠伸缩管；813、头靠调节键；814、第十一锁定机构；815、第十一绳；816、第十一复位元件；912、第八绳；913、第一手把卡销；914、第八复位元件；910、手把杆；915、手把上管；916、手把下管；917、第二手把卡销；918、第九复位元件；919、第九绳；920、第十复位元件。
应当明白，附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。此外，相同或类似的参考标号表示相同或类似的构件。
具体实施方式
现在将参照附图来详细描述本公开的各种示例性实施例。对示例性实施例的描述仅仅是说明性的，决不作为对本公开及其应用或使用的任何限制。本公开可以以许多不同的形式实现，不限于这里所述的实施例。提供这些实施例是为了使本公开透彻且完整，并且向本领域技术人员充分表达本公开的范围。应注意到：除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、材料的组分、数字表达式和数值 应被解释为仅仅是示例性的，而不是作为限制。
本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的部分。“包括”或者“包含”等类似的词语意指在该词前的要素涵盖在该词后列举的要素，并不排除也涵盖其他要素的可能。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
在本公开中，当描述到特定器件位于第一器件和第二器件之间时，在该特定器件与第一器件或第二器件之间可以存在居间器件，也可以不存在居间器件。当描述到特定器件连接其它器件时，该特定器件可以与所述其它器件直接连接而不具有居间器件，也可以不与所述其它器件直接连接而具有居间器件。
本公开使用的所有术语(包括技术术语或者科学术语)与本公开所属领域的普通技术人员理解的含义相同，除非另外特别定义。还应当理解，在诸如通用字典中定义的术语应当被解释为具有与它们在相关技术的上下文中的含义相一致的含义，而不应用理想化或极度形式化的意义来解释，除非这里明确地这样定义。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。
图1是根据本公开儿童载具的一些实施例的结构分解示意图，图2是根据本公开儿童载具的一些实施例的不同使用状态示意图，图3是根据本公开儿童载具的另一些实施例的结构分解示意图，图4是根据本公开儿童载具的另一些实施例的第二使用状态的示意图，图5是根据本公开儿童载具的另一些实施例的第一使用状态的示意图，图6是根据本公开儿童载具的另一些实施例的第三使用状态的示意图。
参考图1～图6，儿童载具包括：载具本体和行走机构。载具本体具有背板组件1和与背板组件1可转动连接的座板4，载具本体能够通过座板4与背板组件1的相对转动展开或收折。行走机构与载具本体连接，且能够相对于载具本体展开或收折。
儿童载具通过载具本体和/或行走机构的展开或收折呈现为第一使用状态、第二使用状态或第三使用状态，载具本体被配置为在第一使用状态和第二使用状态下展开，并在第三使用状态下收折，行走机构被配置为在第二使用状态展开，并在第一使用状态和第三使用状态下收折。第一使用状态、第二使用状态和第三使用状态之间相互切换的至少一个切换过程通过对设置在载具本体上的操作部的施力动作实现。
本实施例中，通过对载具本体上的操作部的施力即可完成三种使用状态之间的至 少一个切换过程，这可使用户即便单手也能完成切换操作，方便用户在操作或携带儿童载具的同时能够抱住婴儿，快速切换推行和快速折叠收纳等操作，满足易提行、易收展、易推行和易收纳等使用需求，从而在提供多种使用功能的同时兼具极高的操作便利性。
参考图1～图6，在一些实施例中，载具本体还包括设置在背板组件1上的滑槽组件，行走机构包括：后关节组件、前脚组件3、连杆组件5和后脚组件2。后关节组件与滑槽组件滑动连接，前脚组件3远离地面的一端与座板4可转动地连接，连杆组件5的一端与前脚组件3连接，连杆组件5的另一端与后关节组件连接，连杆组件5的长度可调。后脚组件2与后关节组件连接，相对于连杆组件5可转动。
在行走机构相对于载具本体展开的状态下，后关节组件位于滑槽组件靠近地面的一端，前脚组件3和后脚组件2被配置为连接轮组后支撑地面，座板4、前脚组件3和连杆组件5围成三角形，座板4、前脚组件3和连杆组件5形成三角形的支撑结构。在行走机构相对于载具本体收折的状态下，后关节组件位于滑槽组件远离地面的一端，前脚组件3贴靠于座板4，后脚组件2贴靠于背板组件1，座板4、背板组件1和连杆组件5围成三角形，座板4、背板组件1和连杆组件5形成三角形的支撑结构。在第三使用状态下，背板组件1的前表面与座板4的上表面相对，且呈锐角或平行，前脚组件3贴靠于座板4，后脚组件2贴靠于背板组件1。
本实施例中，在第二使用状态下通过座板4、前脚组件3和连杆组件5形成三角支撑结构，在第一和第三使用状态下通过座板4、背板组件1和连杆组件5形成三角支撑结构，可在各个使用状态下均形成稳定的受力结构，提高使用的安全性，并且有助于满足儿童载具的轻量化要求。
参考图1～图6，在一些实施例中，第一使用状态下的儿童载具为儿童安全座椅，便于安装于汽车座椅、或与独立底座卡接使用、或作为婴儿提篮使用。第二使用状态下的儿童载具为婴儿车，便于在地面推行。第三使用状态下为儿童载具的最小收合状态。
本实施例中，儿童载具既可在机动车内与车内座椅组合安装使用，也可在机动车外独立推行使用或作为摇篮使用，还能收合至最小收纳状态便于携带和储藏，轻便易折易提行，可以显著提高携带儿童旅行的安全性和使用方便性。
图7是根据本公开儿童载具的一些实施例的背板组件示意图，参考图1～图7，在一些实施例中，操作部包括第一解锁件711，设置在背板组件1的后表面。第一使用 状态到第二使用状态的切换过程通过对第一解锁件711的施力动作实现。
本实施例中，通过按压或提拉第一解锁件711，可使儿童载具从第一使用状态切换至第二使用状态，用户只需单手操作第一解锁件711，即可完成从汽座或提篮状态到婴儿推车状态的转换，能够极大地提高操作便利性。
图8是根据本公开儿童载具的一些实施例的座板剖视图，图9的(a)和(b)是根据本公开儿童载具的一些实施例的背板组件剖视图，参考图1～图9，在一些实施例中，前脚组件3包括：分别铰接在载具本体的两侧的两个前脚杆和连接在两个前脚杆之间的第一横杆301；座板4的底部具有第二凹槽后关节组件具有锁定件212和后关节盖211，锁定件212沿轴向可滑动地设置在后关节盖211内，后脚组件2与后关节盖211连接；背板组件1具有邻近滑槽组件远离地面的一端设置的滑动高点安装槽104。
儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构和与滑动高点安装槽104活动连接的第五锁定机构，第二锁定机构被配置为在锁定状态下将第一横杆301限制在第二凹槽内，第五锁定机构被配置为在锁定状态下限制后关节盖211和/或锁定件212沿滑槽组件向靠近地面的一端滑动。
在第一横杆301的锁定状态下，第二锁定机构被配置为将第一横杆301限制在第二凹槽内；在第一横杆301的解锁状态下，第一横杆301能够脱离第二凹槽。还可以在第二凹槽中设置助力块419，辅助第一横杆301从中弹出。第二锁定机构可包括横杆锁定卡销415和第二复位元件。在第一横杆301的锁定状态下，第二复位元件使横杆锁定卡销415保持相对于第二凹槽的槽壁伸出的状态，以限制第一横杆301向第二凹槽外运动；横杆锁定卡销415被配置为随第一解锁件711的操作而缩回至第二凹槽的槽壁内，以使第一横杆301解锁，能够从第二凹槽内脱出。
第五锁定机构与滑动高点安装槽104活动连接，以使后关节盖211在高点锁定状态和高点解锁状态之间切换。在后关节盖211的高点锁定状态下，第五锁定机构限制后关节盖211和/或锁定件212沿滑槽组件向靠近地面的一端滑动，在后关节盖211的高点解锁状态下，后关节盖211和/或锁定件212能够沿滑槽组件滑动。第五锁定机构可包括：高点卡销115拉块、高点卡销115，高点卡销115拉块沿第二解锁件712的斜槽与第二解锁件712可滑动地连接。高点卡销115与高点卡销115拉块抵接。在后关节盖211的高点锁定状态下，高点卡销115相对于滑动高点安装槽104伸出，以限制后关节盖211和/或锁定件212向靠近地面的方向滑动，高点卡销115拉块被配置为随第二解锁件712的操作而沿滑槽运动以拉动高点卡销115缩回滑动高点安装槽104 内，以使后关节盖211和/或锁定件212能够沿滑槽组件滑动。
第一解锁件711分别通过第二绳717-2和第五绳717-4与第二锁定机构和第五锁定机构连接，被配置为同时解锁第二锁定机构和第五锁定机构，以使第一横杆301能够脱离第二凹槽，且后关节盖211和/或锁定件212能够沿滑槽组件滑动。
本实施例中，用户通过向上扳起第一解锁件711时，使第二锁定机构和第五锁定机构同时解锁，在重力的作用下，后关节组件沿滑槽组件向滑槽组件的低点滑动和转动，第一横杆301从第二凹槽内弹出，从而使前脚组件3和后脚组件2均相对于载具本体展开，而转换成可在地面推行的婴儿车。
参考图1～图7，在一些实施例中，操作部包括第一解锁件711，设置在背板组件1的后表面。第三使用状态到第一使用状态的切换过程通过对第一解锁件711的施力动作实现。
本实施例中，通过按压或提拉第一解锁件711，可使儿童载具从第三使用状态切换至第一使用状态，用户只需单手操作第一解锁件711，即可完成从最小收合状态展开至汽座或提篮状态使用，能够极大地提高操作便利性。
参考图1～图7，在一些实施例中，背板组件1的侧面具有侧板，侧板的下侧设有具有折叠卡槽105，座板4的侧面具有折叠锁定卡销416，折叠锁定卡销416被配置为在锁定状态下扣合在折叠卡槽105内，以限制座板4和背板组件1的相对转动。
在背板组件1的折叠锁定状态下，折叠锁定卡销416扣合在折叠卡槽105内，以限制座板4和背板组件1的相对运动，在背板组件1的折叠解锁状态下，折叠锁定卡销416脱离折叠卡槽105。
第一解锁件711通过第六绳717-3连接折叠锁定卡销416，被配置为解锁折叠锁定卡销416，以使折叠锁定卡销416脱离折叠卡槽105，从而解除对座板4和背板组件1的相对运动的限制。
本实施例中，通过第一解锁件711带动折叠锁定卡销416运动，即能完成最小收合状态下背板组件1和座板4扣合的解锁，用户仅需对背板组件1进行操作和提拉，即能将载具本体展开。
参考图1～图7，在一些实施例中，前脚组件3包括：分别铰接在载具本体的两侧的两个前脚杆和连接在两个前脚杆之间的第一横杆301；儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构，被配置为在锁定状态下将所述第一横杆301限制在第二凹槽内；背板组件的侧面具有侧板，侧板的下侧设有具有折叠卡槽，座板的侧面具 有折叠锁定卡销416，折叠锁定卡销416被配置为在锁定状态下扣合在折叠卡槽105内，以限制座板和背板组件的相对转动；
第一解锁件711通过第二绳717-2与第二锁定机构连接，并与折叠锁定卡销416固定连接，第一解锁件711被配置为同时解锁所述第二锁定机构和折叠锁定卡销416，以使第一横杆301能够脱离第二凹槽，且折叠锁定卡销416脱离折叠卡槽105，从而解除对座板和背板组件的相对运动的限制。
本实施例中，还可将折叠锁定卡销416与和第二锁定机构联动的第一解锁件711固定连接，仅拉动第一解锁件711即可同步解锁折叠锁定卡销416与第二锁定机构。
参考图1～图9，在一些实施例中，操作部包括第一解锁件711，设置在背板组件1的后表面。第三使用状态到第二使用状态的切换过程通过对第一解锁件711的施力动作实现。
本实施例中，用户在操作第一解锁件711时即能使背板组件1相对于座板4转动展开至预设角度，并使前脚组件3和后脚组件2相对于载具本体伸出，实现省力轻松地将儿童载具从最小收合状态切换至儿童车推行状态。
参考图1～图9，在一些实施例中，前脚组件3包括：分别铰接在载具本体的两侧的两个前脚杆和连接在两个前脚杆之间的第一横杆301，座板4的底部具有第二凹槽；后关节组件具有锁定件212和后关节盖211，锁定件212沿轴向可滑动地设置在后关节盖211内，后脚组件2与后关节盖211连接；背板组件1具有邻近滑槽组件远离地面的一端设置的滑动高点安装槽104；背板组件1的侧面具有侧板，侧板的下侧设有具有折叠卡槽105，座板4的侧面具有折叠锁定卡销416。
儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构和与滑动高点安装槽104活动连接的第五锁定机构，第二锁定机构被配置为在锁定状态下将第一横杆301限制在第二凹槽内，第五锁定机构被配置为在锁定状态下限制后关节盖211和/或锁定件212沿滑槽组件向靠近地面的一端滑动；折叠锁定卡销416被配置为在锁定状态下扣合在折叠卡槽105内，以限制座板4和背板组件1的相对转动。
第一解锁件711分别通过第二绳717-2、第五绳717-4和第六绳717-3与第二锁定机构、第五锁定机构和折叠锁定卡销416连接，被配置为同时解锁第二锁定机构、第五锁定机构和折叠锁定卡销416，以使第一横杆301能够脱离第二凹槽，后关节盖211和/或锁定件212能够沿滑槽组件滑动，以及折叠锁定卡销416脱离折叠卡槽105，从而解除对座板4和背板组件1的相对运动的限制。
本实施例中，用户可通过对第一解锁件711的扳动，同步解锁第二锁定机构、第五锁定机构和折叠锁定卡销416，使得儿童载具之前多处被锁定的结构在重力的作用下快速展开，这包括了座板相对于背板组件的展开、连杆组件的伸长、前脚组的展开和后脚组向下滑动并展开等，从而快速地从最小收合状态切换至婴儿推车状态进行地面使用，方便用户在抱娃的同时更安全方便地展开儿童载具。
参考图1～图9，在一些实施例中，前脚组件3包括：分别铰接在载具本体的两侧的两个前脚杆和连接在两个前脚杆之间的第一横杆301，座板4的底部具有第二凹槽；后关节组件具有锁定件212和后关节盖211，锁定件212沿轴向可滑动地设置在后关节盖211内，后脚组件2与后关节盖211连接；背板组件1具有邻近滑槽组件远离地面的一端设置的滑动高点安装槽104；背板组件1的侧面具有侧板，侧板的下侧设有具有折叠卡槽105，座板4的侧面具有折叠锁定卡销416。
儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构和与滑动高点安装槽104活动连接的第五锁定机构，第二锁定机构被配置为在锁定状态下将第一横杆301限制在第二凹槽内，第五锁定机构被配置为在锁定状态下限制后关节盖211和/或锁定件212沿滑槽组件向靠近地面的一端滑动；折叠锁定卡销416被配置为在锁定状态下扣合在折叠卡槽105内，以限制座板4和背板组件1的相对转动。
第一解锁件711分别通过第二绳717-2、第五绳717-4和第六绳717-3与第二锁定机构、第五锁定机构和折叠锁定卡销416连接，第二绳717-2和第五绳717-4均长于第六绳717-3，第一解锁件711被配置为在第一行程下解锁折叠锁定卡销416，以使折叠锁定卡销416脱离折叠卡槽105，从而解除对座板和背板组件的相对运动的限制，然后在第二行程下解锁所述第二锁定机构和第五锁定机构，以使第一横杆301能够脱离第二凹槽，且后关节盖211和/或锁定件212能够沿滑槽组件滑动。
本实施例中，通过将第六绳717-3的长度设置为小于第二绳717-2和第五绳717-4的长度，可为第一解锁件711提供分级解锁功能，在第一解锁件711的第一行程下先解锁折叠锁定卡销416打开背板组件，此时第二锁定机构和第五锁定机构还处于锁定状态。再继续操作第一解锁件711，在第一解锁件711的第二行程下即可将第二锁定机构和第五锁定机构解锁。
图10的(a)和(b)是根据本公开儿童载具的另一些实施例的载具本体剖视图，参考图3～图6和图9～图10，在一些实施例中，操作部包括连接带422，分别连接设置在座板4的上表面的解锁提手412和设置在背板组件1的前表面的第二解锁件712。第 二使用状态到第三使用状态的切换过程通过对连接带422的施力动作实现。
本实施例中，通过拉动连接带422以带动第二解锁件712和解锁提手412进行解锁动作的同时，还向背板组件1和座板4施力使其相对转动至收合状态并使后关节组件具有沿滑槽组件向高点移动的趋势。因此仅需用户拉动连接带422一个动作，即能同时将前脚组件3和后脚区间收合至与载具本体贴合，并使背板组件1和座板4靠拢，从而将儿童载具从婴儿车推行转台切换至最小收合状态，极大地提高了操作的便利性，高效省力。
图11是根据本公开儿童载具的一些实施例的第一锁定机构的结构示意图，图17是根据本公开儿童载具的一些实施例的连杆组件的结构示意图，图18是根据本公开儿童载具的一些实施例的后脚组件的结构示意图，参考图1～图6、图10～图11和图17～图18，在一些实施例中，连杆组件5具有第一连杆511和第二连杆512，第二连杆512套接在第一连杆511内，并可相对于第一连杆511滑动；后关节组件具有锁定件212和后关节盖211，锁定件212沿轴向可滑动地设置在后关节盖211内，后脚组件2与后关节盖211连接；背板组件1具有滑动低点安装槽103，邻近滑槽组件靠近地面的一端设置；背板组件1具有第一腔体，座板4具有第二腔体。
儿童载具还包括：设置在连杆组件5上的第四锁定机构、与锁定件212连接的第一锁定机构和可滑动地设置在第一腔体123和第二腔体124内的第三锁定机构，第四锁定机构被配置为在锁定状态下限制第一连杆511和第二连杆512的相对移动，第一锁定机构被配置为在锁定状态下使锁定件212限制后关节盖211相对于载具本体的转动和滑动，第三锁定机构被配置为在锁定状态下插入腔口对接的第一腔体123和第二腔体124，以限制背板组件1与座板4的相对转动。
第一锁定机构可包括：顶块112、拉动块113和第一复位元件。顶块112具有斜槽，并与锁定件212抵接。拉动块113具有与顶块112的斜槽配合的凹槽，沿顶块112的斜槽与顶块112滑动连接，并与第一解锁件711通过第一绳连接。第一复位元件设置在绳的端部和拉动块113之间。在后关节盖211的锁定状态下，第一复位元件将锁定件212保持在沿轴向位于滑动低点安装槽103和后关节盖211之间，此时锁定件212和后关节盖211无法相对转动。拉动块113被配置为随第一解锁件711的操作而移动，当第一解锁件711被用户向上按动，带动第一绳拽动拉动块113沿锁定件212上的滑槽的长度方向移动，从而带动顶块112朝向锁定件212移动并推动锁定件212沿轴向脱离滑动低点安装槽103，使锁定件212缩回至后关节盖211内，以解锁后关节盖211， 此时后关节盖211和锁定件212可以相对转动。
第三锁定机构可包括背板锁定卡销411、第三复位元件。背板锁定卡销411通过第三绳417与解锁提手412连接，第三复位元件连接在背板锁定卡销411的第一端与第二腔体124远离腔口的第一端之间。第三复位元件可被配置使背板组件1与座板4组件的开合角度保持汽座设定角度，例如98°。
第四锁定机构可包括：固定座516、连杆卡销514和第四复位元件515。固定座516包括支撑条513，支撑条513的第一端具有滑动长槽，第二端具有容纳槽，支撑条513的第一端设有第一套筒段，第一套筒段与滑动长槽相通，支撑条513的第二端设有第二套筒段，第二套筒段与容纳槽相通，第一套筒段和第二套筒段均套在第一连杆511上。连杆卡销514设置在容纳槽内，第四复位元件515设置在容纳槽和连杆卡销514之间；其中，在连杆组件5的锁定状态，第四复位元件515被配置为使连杆卡销514保持在穿设于第一连杆上的通孔501和第二连杆上的通孔502的锁定位置。
解锁提手412分别通过第四绳和第三绳417与第四锁定机构和第三锁定机构连接，第二解锁件712通过第一绳与第一锁定机构连接，连接带422被配置为通过带动解锁提手412和第二解锁件712同时解锁第四锁定机构、第三锁定机构和第一锁定机构，以使第一连杆511和第二连杆512能够相对伸缩，且推动锁定件212脱离滑动低点安装槽103并缩回至后关节盖211内，从而使后关节盖211能够相对于载具本体转动和/或滑动，以及第一腔体123的腔口和第二腔体124的腔口能够分离，从而使背板组件1相对于座板4可转动。
本实施例中，通过设置解锁提手412与第四锁定机构和第三锁定机构联动、第二解锁件712与第一锁定机构联动，并使解锁提手412与第二解锁件712通过连接带422连接，用户仅需操作连接带422，即可将儿童载具从婴儿推车状态快速切换至最小收合状态，使用状态的切换简便易操作。
此外，儿童载具的收合操作主要集中在对座板4周围的解锁件的操作，而在需要展开儿童载具时，将展开操作相关的操作间集成在背板组件1的后背面，将展开和收合操作的解锁件分离，能防止使用过程中婴儿或家长误触，有效提高操作的安全性。
图12的(a)和(b)是根据本公开儿童载具的一些实施例的手把组件的结构示意图，参考图1～图6、图9～图12和图18，在一些实施例中，操作部包括手把组件9，可滑动地插接在背板组件1内。其中，第二使用状态到第一使用状态的切换过程通过对手把组件9的施力动作实现。
本实施例中，可通过用户推动手把组件9来实现婴儿推车状态到汽座状态的切换，在手扶手把组的推行动作下即可完成转换，无需用户操作其他部位的按键，使操作过程更省力简洁。
参考图1～图6、图9～图12和图18，在一些实施例中，后关节组件具有锁定件212和后关节盖211，锁定件212沿轴向可滑动地设置在后关节盖211内，后脚组件2与后关节盖211连接；背板组件1具有滑动低点安装槽103，邻近滑槽组件靠近地面的一端设置。
儿童载具还包括：与锁定件212连接的第一锁定机构，第一锁定机构被配置为在锁定状态下使锁定件212限制后关节盖211相对于载具本体的转动和滑动。
手把组件9与第一锁定机构相对，被配置为顶压第一锁定机构解锁，以推动锁定件212脱离滑动低点安装槽103并缩回至后关节盖211内，从而使后关节盖211能够相对于载具本体转动和/或滑动。
第一锁定机构可包括：顶块112、拉动块113和第一复位元件。顶块112具有斜槽，并与锁定件212抵接。拉动块113具有与顶块112的斜槽配合的凹槽，沿顶块112的斜槽与顶块112滑动连接。第一复位元件设置在绳的端部和拉动块113之间。在后关节盖211的锁定状态下，第一复位元件将锁定件212保持在沿轴向位于滑动低点安装槽103和后关节盖211之间，此时锁定件212和后关节盖211无法相对转动。拉动块113被配置为随第一解锁件711的操作而移动，当手把组件9顶压顶块112时，带动顶块112朝向锁定件212移动并推动锁定件212沿轴向脱离滑动低点安装槽103，使锁定件212缩回至后关节盖211内，以解锁后关节盖211，此时后关节盖211和锁定件212可以相对转动。
本实施例中，通将手把组件9的端部与第一锁定机构抵接设置，可使用户通过定压手把组件9的操作完成从第二使用状态到第一使用状态的切换，在用户向下施力的过程中，前脚组件3和后脚组件2随施力方向向贴靠载具本体的方向收合。
参考图1～图6、图9～图12和图18，在一些实施例中，后关节组件具有锁定件212和后关节盖211，锁定件212沿轴向可滑动地设置在后关节盖211内，后脚组件2与后关节盖211连接；背板组件具有滑动低点安装槽103，邻近滑槽组件靠近地面的一端设置；
其中，所述儿童载具还包括：与锁定件212连接的第一锁定机构和与手把组件9固定连接的头靠组件8，第一锁定机构被配置为在锁定状态下使锁定件212限制后关 节盖211相对于载具本体的转动和滑动；
手把组件9与第一锁定机构相对，被配置为顶压第一锁定机构解锁，以推动锁定件212脱离滑动低点安装槽并103缩回至后关节盖211内，从而使后关节盖211能够相对于载具本体转动和/或滑动。
手把组件9的左右两根杆件上可分别设置用于锁定上下滑动的解锁按钮，防止用户单手误操作手把组件9时将其降到最低位置，导致触发第一锁定机构解锁收折行走机构。
本实施例中，还可以将手把组件9和头靠组件8固定连接，使头靠组件8随手把组件9的升降而移动，在手把组件9滑动到最低点时顶压第一锁定机构解锁后关节盖的转动和/或滑动。
参考图1～图6、图9～图12和图18在一些实施例中，操作部包括第二解锁件712，设置在背板组件1的前表面。其中，第二使用状态到第一使用状态的切换过程通过对第二解锁件712的施力动作实现。
本实施例中，可通过用户操作第二解锁件712来实现婴儿推车状态到汽座状态的切换，用户在推动第二解锁件712解锁时可顺势给前脚组件3和后桥组件向载具本体方向贴靠的力，使操作过程更省力流畅。
参考图1～图6、图9～图12和图18，在一些实施例中，后关节组件具有锁定件212和后关节盖211，锁定件212沿轴向可滑动地设置在后关节盖211内，后脚组件2与后关节盖211连接；背板组件1具有滑动低点安装槽103，邻近滑槽组件靠近地面的一端设置。
儿童载具还包括：与锁定件212连接的第一锁定机构，第一锁定机构被配置为在锁定状态下使锁定件212限制后关节盖211相对于载具本体的转动和滑动。第二解锁件712通过第一绳与第一锁定机构连接，被配置为解锁第一锁定机构，以推动锁定件212脱离滑动低点安装槽103并缩回至后关节盖211内，从而使后关节盖211能够相对于载具本体转动和/或滑动。
本实施例中，通过在背板组件1的前表面设置第二解锁件712，可使用户在操作第二解锁件712解锁滑槽低点锁定的同时，方便为后关节组件提供沿滑槽组件向高位移动的趋势，从而轻松简便地将前脚组件3和后脚组件2收合起来。
参考图1～图6、图9～图10和图17，在一些实施例中，操作部包括解锁提手412，设置在座板4的上表面。第一使用状态到第三使用状态的切换过程通过对解锁提手412 的施力动作实现。
本实施例中，可通过用户操作解锁提手412来实现汽座状态到最小收合状态的切换，用户在提拉解锁提手412时可顺势给背板组件1向座板4方向贴靠的力，使操作过程更省力流畅。
参考图1～图6、图9～图10和图17，在一些实施例中，连杆组件5具有第一连杆511和第二连杆512，第二连杆512套接在第一连杆511内，并可相对于第一连杆511滑动；背板组件1具有第一腔体123，座板4具有第二腔体124。
儿童载具还包括：设置在连杆组件5上的第四锁定机构和可滑动地设置在第一腔体123和第二腔体124内的第三锁定机构，第四锁定机构被配置为在锁定状态下限制第一连杆511和第二连杆512的相对移动，第三锁定机构被配置为在锁定状态下插入腔口对接的第一腔体123和第二腔体124，以限制背板组件1与座板4的相对转动。
解锁提手412分别通过第四绳和第三绳417与第四锁定机构和第三锁定机构连接，被配置为同时解锁第四锁定机构和第三锁定机构，以使第一连杆511和第二连杆512能够相对伸缩，以及第一腔体123的腔口和第二腔体124的腔口能够分离，从而使背板组件1相对于座板4可转动。
本实施例中，用户通过操作解锁提手412一个动作即可同时解锁第三锁定机构和第四锁定机构，从而实现汽座使用状态到最小收合状态的快速切换。
参考图1、图2和图12，在一些实施例中，儿童载具还包括：设置在背板组件1内的手把套管121和与手把套管121活动连接的手把杆910。儿童载具还包括：设置在手把杆910上的第八锁定机构和通过第八绳912与第八锁定机构连接的手把解锁件911，第八锁定机构被配置为在锁定状态下限制手把杆910相对于手把套管121伸缩，手把解锁件911被配置为解锁第八锁定机构，以使手把杆910相对于手把套管121可伸缩。
第八锁定机构可包括第一手把卡销913和第八复位元件914，第一手把卡销913与手把解锁件911通过第八绳912连接，第八复位元件914设置在第一手把卡销913与第八绳912之间。在手把杆910的伸缩锁定状态下，第一手把卡销913卡接在手把套管121和手把杆910之间，限制其相对运动。在手把杆910的解锁状态下，第一手把卡销913随第八绳912的带动脱离手把套管121，缩回至手把杆910内，手把杆910可相对于手把套管121伸缩运动。
本实施例中，用户通过操作手把解锁件911可控制手把组件9的伸缩状态，单手 操作手把杆910即可将其锁定或调整其相对手把套管121的相对伸出长度，与手扶推行动作流畅衔接。
图13的(a)和(b)是根据本公开儿童载具的另一些实施例的手把组件的结构示意图，参考图3～图6和图13，在一些实施例中，儿童载具还包括：与后关节组件连接的手把下管916和与手把下管916活动连接的手把上管915。
儿童载具还包括：设置在手把上管915上的第九锁定机构和通过第九绳919与第九锁定机构连接的手把解锁件911，第九锁定机构被配置为在锁定状态下限制手把上管915相对于手把下管916伸缩，手把解锁件911被配置为解锁第九锁定机构，以使手把上管915相对于手把下管916可伸缩。
第九锁定机构可包括第二手把卡销917和第九复位元件918，第二手把卡销917与手把解锁件911通过第九绳919连接，第九复位元件918设置在第二手把卡销917与第九绳919之间。在手把上管915的伸缩锁定状态下，第二手把卡销917卡接在手把下管916和手把上管915之间，限制其相对运动。在手把上管915的解锁状态下，第二手把卡销917随第九绳919的带动脱离手把下管916，缩回至手把上管915内，手把上管915可相对于手把下管916伸缩运动。
本实施例中，用户通过操作手把解锁件911可控制手把组件9的伸缩状态，单手操作手把上管915即可将其锁定或调整其相对手把下管916的相对伸出长度，与手扶推行动作流畅衔接。
图14是根据本公开儿童载具的另一些实施例的局部剖视图，参考图3～图6、图13～图14和图18，在一些实施例中，后关节组件具有锁定件212和后关节盖211，锁定件212沿轴向可滑动地设置在后关节盖211内，后脚组件2与后关节盖211连接；手把下管916具有手把关节盖，通过手把关节盖与后关节组件连接。
儿童载具还包括：与手把关节盖活动连接的第十锁定机构，被配置为在锁定状态下，卡接在后关节组件和手把关节盖之间，以限制手把下管916和后关节组件的相对转动。
第十锁定机构可包括定位卡销和第十复位元件920，在手把关节盖的锁定状态下，定位卡销卡接在后关节组件和手把关节盖之间，限制手把关节盖和后关节组件的相对转动。手把上管915与第十锁定机构相对，在手把关节盖的解锁状态下，手把上管915被配置为顶压第十锁定机构解锁，以推动锁定件212脱离后关节组件，并缩回至手把关节盖内，以使手把关节盖相对于后关节组件可转动。
本实施例中，将手把组件9与后关节组件连接，在需要调整手把组件9的角度时，仅需推动手把上管915，使手把组件9能够根据用户的不同需求和不同运用场景向不同方向转动，为用户的使用提供足够的支撑。当需要定位手把组件9时，松开手把上管915与第十锁定机构的连接，即可限制手把组件9的转动使其保持在一定角度，防止掉落造成安全隐患。此外，还可在手把关节盖中设置预设的转动角度，当手把组件9转动到一定角度后将其限位。
参考图1～图7，在一些实施例中，背板组件1包括：与座板4可转动地连接的可调节靠背7和分别设置在可调节靠背7的两侧的两个侧边结构；可调节靠背7相对于侧边结构的角度可调。侧边结构靠近可调节靠背7的一侧具有多个靠背调节固定槽，多个靠背调节固定槽对应于可调节靠背7的不同角度；
可调节靠背7包括靠背调节卡销713和通过第七绳717-1与靠背调节卡销713连接的第一解锁件711，靠背调节卡销713被配置为在锁定状态下插入多个靠背调节固定槽中的一个，以使可调节靠背7与座板4锁定在不同的开合角度，第一解锁件711被配置为使靠背调节卡销713脱离靠背调节固定槽，以使可调节靠背7相对于座板4可转动。
本实施例中，可调节靠背7和侧边结构可以相对于座板4上的同一轴转动，且可调节靠背7进一步地还能相对于侧边结构调节相对开合角度。从而能够使儿童载具实现完全平躺状态、半平躺状态和坐起状态，为用户提高更多的操作和使用选择。
在一些实施例中，背板组件包括：与座板可转动地连接的可调节靠背和分别设置在可调节靠背的两侧的两个侧边结构；可调节靠背相对于侧边结构的角度可调；儿童载具还包括头枕，手把组件包括：设置在可调节靠背内的头靠套管和头靠伸缩管，头靠伸缩管与所述头靠套管活动连接，且一端与所述头枕连接；
其中，儿童载具还包括：设置在头靠伸缩管上的第十一锁定机构和设置在枕上并通过第十一绳连接第十一锁定机构的头靠调节键，被配置为在锁定状态下第十一锁定机构被配置为限制所述头靠伸缩管在头靠套管内伸缩；头靠调节键被配置为解锁第十一锁定机构，以使头靠伸缩管能够相对在头靠伸缩套管伸缩。本实施例中，还可以将头靠组件与手把组件9连接，通过头靠组件的头靠套管和头靠伸缩管解锁头枕和手把组件9的伸缩。
图15的(a)和(b)是根据本公开儿童载具的一些实施例的头靠组件的结构示意图，参考图1～图6和图15，在一些实施例中，儿童载具还包括：头靠组件8，头靠组件8 包括头枕811、设置在可调节靠背7内的头靠套管714和头靠伸缩管812，头靠伸缩管812与头靠套管714活动连接，且一端与头枕811连接。
儿童载具还包括：设置在头靠伸缩管812上的第十一锁定机构814和设置在头枕811上并通过第十一绳815连接第十一锁定机构814的头靠调节键813，被配置为在锁定状态下第十一锁定机构814被配置为限制头靠伸缩管812在头靠套管内伸缩；头靠调节键813被配置为解锁第十一锁定机构814，以使头靠伸缩管812能够相对在头靠套管伸缩。
本实施例中，用户通过操作头靠调节键813并向头枕811施力可带动头枕811相对于头靠套管714伸出或缩回，以适应不同身高的儿童以及不同的坐姿或卧姿。松开头靠调节键813即可将头靠组件8锁定在当前的角度，为儿童的坐卧状态提供安全稳定的支撑。
图16是根据本公开儿童载具的一些实施例的背板组件剖视图，参考图7和图16，在一些实施例中，儿童载具还包括：第二解锁件712、头靠自动滑落顶块716、头靠自动滑落拉块715、头靠复位元件718。头靠复位设置在头靠自动滑落顶块716的一侧。
第二解锁件712设置在背板组件1的前表面，头靠自动滑落顶块716邻近头靠伸缩管812和头靠套管714设置，头靠自动滑落拉块715与头靠自动滑落顶块716的凹槽通过楔形面抵接，并与第二解锁件712通过第十二绳717连接。头靠自动滑落拉块715被配置为随第二解锁件712的操作带动头靠自动滑落顶块716将头靠调节卡销推入头靠伸缩管812内，使头靠伸缩管812在头靠套管714内向下移动，以收合在头靠套管714内。
本实施例中，用户通过操作第二解锁件712，可使头靠组件8从任意高度自动滑落至最低位置，方便用户收合儿童载具。此外，还可在头靠自动滑落顶块716上设置与不同的滑落高度对应的多个凸起，在操作第二解锁件712时使头枕811实现不同挡位的滑落高度。
参考图7，在一些实施例中，背板组件1包括与座板4可转动地连接的可调节靠背7和分别设置在可调节靠背7的两侧的两个侧边结构；可调节靠背7相对于侧边结构的角度可调；滑槽组件具有第一滑槽，后关节组件具有后关节盖211，后关节盖211具有穿设第一滑槽的第一凸起201；可调节靠背7的左右两侧设有第一控制槽701和与第一控制槽701连通且呈夹角的第二控制槽702。
第一控制槽701在可调节靠背7相对于座板4呈汽座设定角度时与第一滑槽平行，第一凸起201被配置为在可调节靠背7相对于座板4呈汽座设定角度时穿过第一控制槽701，以便沿第一控制槽701和第一滑槽可滑动，并且仅在后关节组件滑动至滑动低点安装槽103且被第一锁定机构锁定后，可调节靠背7相对于侧边机构调节角度时，第一凸起201沿第二控制槽702滑动。
本实施例中，用户只在第二使用状态下才可使可调节靠背7转动，而在第一使用状态和第三使用状态下，限制可调节靠背7的转动，防止在汽车内或收纳状态时可调节靠背7与侧边结构分离，提高使用的安全性和可靠性。
参考图9，在一些实施例中，解锁提手412的侧壁设有凹槽，儿童载具还包括：提把锁定机构，提把锁定机构包括：提把卡扣420和第一卡扣复位元件421，提把卡扣420具有凸起，提把卡扣420的凸起与解锁提手412的凹槽活动连接，第一卡扣复位元件421抵接在提把卡扣420远离解锁提手412的一侧。
第一卡扣复位元件421抵接在解锁提手412的下方，解锁提手412的一侧设置斜槽与提把卡扣420上的楔形凸起配合，当解锁提手412处于锁定状态下，提把卡扣420上的楔形凸起卡接在解锁提手412的斜槽内，限制解锁提手412的转动。当用户将第一卡扣向远离解锁提手412的一侧移动时，可将解锁提手412解锁，此时解锁提手412的一端可在第一卡扣复位元件421的作用下弹出座板4面，方便用户抓握操作。
本实施例中，可为解锁提手412设置提把锁定机构，在使用时需要先解锁提手锁定机构56才能使用解锁提手412实现使用状态的切换，从而防止幼儿在座位上将解锁提手412误触，有效提升儿童载具的安全性。
图19是根据本公开儿童载具的一些实施例的次级锁定机构的结构示意图，参考图19，在一些实施例中，第二解锁件712的侧壁设有凹槽，儿童载具还包括：次级锁定机构，次级锁定机构包括：卡扣423和第二卡扣复位元件424，卡扣423具有凸起，卡扣423的凸起与第二解锁件712的凹槽活动连接，第二卡扣复位元件424抵接在卡扣远离第二解锁件712的一侧。
本实施例中，可为第二解锁件712设置次级锁定机构，在使用时需要先解锁次级锁定机构才能使用第二解锁件712实现使用状态的解锁切换，从而防止幼儿在乘坐时将误触第二解锁件712，有效提升儿童载具的安全性。
上述第二绳717-2、第三绳417、第五绳717-4、第六绳717-3、第七绳717-1、第八绳912、第九绳919、第十一绳815和第十二绳717可优选采用钢绳，也可采用其他 材质的绳。
至此，已经详细描述了本公开的各实施例。为了避免遮蔽本公开的构思，没有描述本领域所公知的一些细节。本领域技术人员根据上面的描述，完全可以明白如何实施这里公开的技术方案。
虽然已经通过示例对本公开的一些特定实施例进行了详细说明，但是本领域的技术人员应该理解，以上示例仅是为了进行说明，而不是为了限制本公开的范围。本领域的技术人员应该理解，可在不脱离本公开的范围和精神的情况下，对以上实施例进行修改或者对部分技术特征进行等同替换。本公开的范围由所附权利要求来限定。

Claims (29)

  1. 一种儿童载具，包括：
    载具本体，具有背板组件(1)和与所述背板组件(1)可转动连接的座板(4)，所述载具本体能够通过所述座板(4)与所述背板组件(1)的相对转动展开或收折；和
    行走机构，与所述载具本体连接，且能够相对于所述载具本体展开或收折；
    其中，所述儿童载具通过所述载具本体和/或所述行走机构的展开或收折呈现为第一使用状态、第二使用状态或第三使用状态，所述载具本体被配置为在所述第一使用状态和所述第二使用状态下展开，并在所述第三使用状态下收折，所述行走机构被配置为在所述第二使用状态展开，并在所述第一使用状态和所述第三使用状态下收折；
    所述第一使用状态、第二使用状态和第三使用状态之间相互切换的至少一个切换过程通过对设置在所述载具本体上的操作部的施力动作实现。
  2. 如权利要求1所述的儿童载具，其中处于第一使用状态下的所述儿童载具为儿童安全座椅，以便安装于汽车座椅、或与独立底座卡接使用、或作为婴儿提篮使用；
    处于第二使用状态下的所述儿童载具的为婴儿车，以便在地面推行；
    所述儿童载具的第三使用状态为最小收合状态。
  3. 如权利要求1或2所述的儿童载具，其中所述载具本体还包括设置在所述背板组件(1)上的滑槽组件，所述行走机构包括：
    后关节组件，与所述滑槽组件滑动连接；
    前脚组件(3)，所述前脚组件(3)远离地面的一端与所述座板(4)可转动地连接；
    连杆组件(5)，所述连杆组件(5)的一端与所述前脚组件(3)连接，所述连杆组件(5)的另一端与所述后关节组件连接，所述连杆组件(5)的长度可调；和
    后脚组件(2)，与所述后关节组件连接，相对于所述连杆组件(5)可转动；
    其中，在所述行走机构相对于所述载具本体展开的状态下，所述后关节组件位于所述滑槽组件靠近地面的一端，所述前脚组件(3)和所述后脚组件(2)被配置为连接轮组后支撑地面，所述座板(4)、所述前脚组件(3)和所述连杆组件(5)围成三角形；
    在所述行走机构相对于所述载具本体收折的状态下，所述后关节组件位于所述滑 槽组件远离地面的一端，所述前脚组件(3)贴靠于所述座板(4)，所述后脚组件(2)贴靠于所述背板组件(1)，所述座板(4)、所述背板组件(1)和所述连杆组件(5)围成三角形。
  4. 如权利要求3所述的儿童载具，其中所述操作部包括：
    第一解锁件(711)，设置在所述背板组件(1)的后表面；
    其中，所述第一使用状态到第二使用状态的切换过程通过对所述第一解锁件(711)的施力动作实现。
  5. 如权利要求4所述的儿童载具，其中所述前脚组件(3)包括：分别铰接在所述载具本体的两侧的两个前脚杆和连接在所述两个前脚杆之间的第一横杆(301)；所述座板(4)的底部具有第二凹槽；所述后关节组件具有锁定件(212)和后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述背板组件(1)具有邻近所述滑槽组件远离地面的一端设置的滑动高点安装槽(104)；
    其中，所述儿童载具还包括：设置在所述第二凹槽的槽壁的第二锁定机构和与所述滑动高点安装槽(104)活动连接的第五锁定机构，所述第二锁定机构被配置为在锁定状态下将所述第一横杆(301)限制在所述第二凹槽内，所述第五锁定机构被配置为在锁定状态下限制所述后关节盖(211)和/或所述锁定件(212)沿所述滑槽组件向靠近地面的一端滑动；
    所述第一解锁件(711)分别通过第二绳(717-2)和第五绳(717-4)与所述第二锁定机构和所述第五锁定机构连接，被配置为同时解锁所述第二锁定机构和所述第五锁定机构，以使所述第一横杆(301)能够脱离所述第二凹槽，且所述后关节盖(211)和/或所述锁定件(212)能够沿所述滑槽组件滑动。
  6. 如权利要求3至5任一所述的儿童载具，其中所述操作部包括：
    第一解锁件(711)，设置在所述背板组件(1)的后表面；
    其中，所述第三使用状态到所述第一使用状态的切换过程通过对所述第一解锁件(711)的施力动作实现。
  7. 如权利要求6所述的儿童载具，其中所述背板组件(1)的侧面具有侧板，侧板的下侧设有具有折叠卡槽(105)，所述座板(4)的侧面具有折叠锁定卡销(416)，所述折叠锁定卡销(416)被配置为在锁定状态下扣合在所述折叠卡槽(105)内，以限制所述座板(4)和所述背板组件(1)的相对转动；
    其中，所述第一解锁件(711)通过第六绳(717-3)连接所述折叠锁定卡销(416)，被配置为解锁所述折叠锁定卡销(416)，以使所述折叠锁定卡销(416)脱离所述折叠卡槽(105)，从而解除对所述座板(4)和所述背板组件(1)的相对运动的限制。
  8. 如权利要求6或7所述的儿童载具，其中所述前脚组件(3)包括：分别铰接在所述载具本体的两侧的两个前脚杆和连接在所述两个前脚杆之间的第一横杆(301)；所述座板(4)的底部具有第二凹槽；所述儿童载具还包括：设置在第二凹槽的槽壁的第二锁定机构，被配置为在锁定状态下将所述第一横杆(301)限制在所述第二凹槽内；所述背板组件(1)的侧面具有侧板，侧板的下侧设有具有折叠卡槽(105)，所述座板(4)的侧面具有折叠锁定卡销(416)，所述折叠锁定卡销(416)被配置为在锁定状态下扣合在所述折叠卡槽(105)内，以限制所述座板(4)和所述背板组件(1)的相对转动；
    其中，所述第一解锁件(711)通过第二绳(717-2)与所述第二锁定机构连接，并与所述折叠锁定卡销(416)固定连接，所述第一解锁件(711)被配置为同时解锁所述第二锁定机构和所述折叠锁定卡销(416)，以使所述第一横杆(301)能够脱离所述第二凹槽，且所述折叠锁定卡销(416)脱离所述折叠卡槽(105)，从而解除对所述座板(4)和所述背板组件(1)的相对运动的限制。
  9. 如权利要求3至8任一所述的儿童载具，其中所述操作部包括：
    第一解锁件(711)，设置在所述背板组件(1)的后表面；
    其中，所述第三使用状态到所述第二使用状态的切换过程通过对所述第一解锁件(711)的施力动作实现。
  10. 如权利要求9所述的儿童载具，其中所述前脚组件(3)包括：分别铰接在所述载具本体的两侧的两个前脚杆和连接在所述两个前脚杆之间的第一横杆(301)，所述座板(4)的底部具有第二凹槽；所述后关节组件具有锁定件(212)和后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述背板组件(1)具有邻近所述滑槽组件远离地面的一端设置的滑动高点安装槽(104)；所述背板组件(1)的侧面具有侧板，侧板的下侧设有具有折叠卡槽(105)，所述座板(4)的侧面具有折叠锁定卡销(416)；
    其中，所述儿童载具还包括：设置在所述第二凹槽的槽壁的第二锁定机构和与所述滑动高点安装槽(104)活动连接的第五锁定机构，所述第二锁定机构被配置为在 锁定状态下将所述第一横杆(301)限制在所述第二凹槽内，所述第五锁定机构被配置为在锁定状态下限制所述后关节盖(211)和/或所述锁定件(212)沿所述滑槽组件向靠近地面的一端滑动；所述折叠锁定卡销(416)被配置为在锁定状态下扣合在所述折叠卡槽(105)内，以限制所述座板(4)和所述背板组件(1)的相对转动；
    所述第一解锁件(711)分别通过第二绳(717-2)、第五绳(717-4)和第六绳(717-3)与所述第二锁定机构、所述第五锁定机构和所述折叠锁定卡销(416)连接，被配置为同时解锁所述第二锁定机构、所述第五锁定机构和所述折叠锁定卡销(416)，以使所述第一横杆(301)能够脱离所述第二凹槽，所述后关节盖(211)和/或所述锁定件(212)能够沿所述滑槽组件滑动，以及所述折叠锁定卡销(416)脱离所述折叠卡槽(105)，从而解除对所述座板(4)和所述背板组件(1)的相对运动的限制。
  11. 如权利要求9或10所述的儿童载具，其中所述前脚组件(3)包括：分别铰接在所述载具本体的两侧的两个前脚杆和连接在所述两个前脚杆之间的第一横杆(301)，所述座板(4)的底部具有第二凹槽；所述后关节组件具有锁定件(212)和后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述背板组件(1)具有邻近所述滑槽组件远离地面的一端设置的滑动高点安装槽(104)；所述背板组件(1)的侧面具有侧板，侧板的下侧设有具有折叠卡槽(105)，所述座板(4)的侧面具有折叠锁定卡销(416)；
    其中，所述儿童载具还包括：设置在所述第二凹槽的槽壁的第二锁定机构和与所述滑动高点安装槽(104)活动连接的第五锁定机构，所述第二锁定机构被配置为在锁定状态下将所述第一横杆(301)限制在所述第二凹槽内，所述第五锁定机构被配置为在锁定状态下限制所述后关节盖(211)和/或所述锁定件(212)沿所述滑槽组件向靠近地面的一端滑动；所述折叠锁定卡销(416)被配置为在锁定状态下扣合在所述折叠卡槽(105)内，以限制所述座板(4)和所述背板组件(1)的相对转动；
    所述第一解锁件(711)分别通过第二绳(717-2)、第五绳(717-4)和第六绳(717-3)与所述第二锁定机构、所述第五锁定机构和所述折叠锁定卡销(416)连接，所述第二绳(717-2)和所述第五绳(717-4)均长于所述第六绳(717-3)，所述第一解锁件(711)被配置为在第一行程下解锁所述折叠锁定卡销(416)，以使所述折叠锁定卡销(416)脱离所述折叠卡槽(105)，从而解除对所述座板(4)和所述背板组件(1)的相对运动的限制，然后在第二行程下解锁所述第二锁定机构和所述第五锁定机构， 以使所述第一横杆(301)能够脱离所述第二凹槽，且所述后关节盖(211)和/或所述锁定件(212)能够沿所述滑槽组件滑动。
  12. 如权利要求3至11任一所述的儿童载具，其中所述操作部包括：
    连接带(422)，分别连接设置在所述座板(4)的上表面的解锁提手(412)和设置在所述背板组件(1)的前表面的第二解锁件(712)；
    其中，所述第二使用状态到所述第三使用状态的切换过程通过对所述连接带(422)的施力动作实现。
  13. 如权利要求12所述的儿童载具，其中所述连杆组件(5)具有第一连杆(511)和第二连杆(512)，所述第二连杆(512)套接在所述第一连杆(511)内，并可相对于所述第一连杆(511)滑动；所述后关节组件具有锁定件(212)和后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述背板组件(1)具有滑动低点安装槽(103)，邻近所述滑槽组件靠近地面的一端设置；所述背板组件(1)具有第一腔体(123)，所述座板(4)具有第二腔体(124)；
    其中，所述儿童载具还包括：设置在所述连杆组件(5)上的第四锁定机构、与所述锁定件(212)连接的第一锁定机构和可滑动地设置在所述第一腔体(123)和所述第二腔体(124)内的第三锁定机构，所述第四锁定机构被配置为在锁定状态下限制所述第一连杆(511)和所述第二连杆(512)的相对移动，所述第一锁定机构被配置为在锁定状态下使所述锁定件(212)限制所述后关节盖(211)相对于所述载具本体的转动和滑动，所述第三锁定机构被配置为在锁定状态下插入腔口对接的所述第一腔体(123)和所述第二腔体(124)，以限制所述背板组件(1)与所述座板(4)的相对转动；
    所述解锁提手(412)分别通过第四绳和第三绳(417)与所述第四锁定机构和所述第三锁定机构连接，所述第二解锁件(712)通过第一绳与所述第一锁定机构连接，所述连接带(422)被配置为通过带动所述解锁提手(412)和所述第二解锁件(712)同时解锁所述第四锁定机构、所述第三锁定机构和所述第一锁定机构，以使所述第一连杆(511)和所述第二连杆(512)能够相对伸缩，且推动所述锁定件(212)脱离所述滑动低点安装槽(103)并缩回至所述后关节盖(211)内，从而使所述后关节盖(211)能够相对于所述载具本体转动和/或滑动，以及所述第一腔体(123)的腔口和所述第二腔体(124)的腔口能够分离，从而使所述背板组件(1)相对于所述座板(4) 可转动。
  14. 如权利要求3至13任一所述的儿童载具，其中所述操作部包括：
    手把组件(9)，可滑动地插接在所述背板组件(1)内；
    其中，所述第二使用状态到所述第一使用状态的切换过程通过对所述手把组件(9)的施力动作实现。
  15. 如权利要求14所述的儿童载具，其中所述后关节组件具有锁定件(212)和后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述背板组件(1)具有滑动低点安装槽(103)，邻近所述滑槽组件靠近地面的一端设置；
    其中，所述儿童载具还包括：与所述锁定件(212)连接的第一锁定机构，所述第一锁定机构被配置为在锁定状态下使所述锁定件(212)限制所述后关节盖(211)相对于所述载具本体的转动和滑动；
    所述手把组件(9)与所述第一锁定机构相对，被配置为顶压所述第一锁定机构解锁，以推动所述锁定件(212)脱离所述滑动低点安装槽(103)并缩回至所述后关节盖(211)内，从而使所述后关节盖(211)能够相对于所述载具本体转动和/或滑动。
  16. 如权利要求14或15所述的儿童载具，其中所述后关节组件具有锁定件(212)和后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述背板组件(1)具有滑动低点安装槽(103)，邻近所述滑槽组件靠近地面的一端设置；
    其中，所述儿童载具还包括：与所述锁定件(212)连接的第一锁定机构和与所述手把组件(9)固定连接的头靠组件(8)，所述第一锁定机构被配置为在锁定状态下使所述锁定件(212)限制所述后关节盖(211)相对于所述载具本体的转动和滑动；
    所述手把组件(9)与所述第一锁定机构相对，被配置为顶压所述第一锁定机构解锁，以推动所述锁定件(212)脱离所述滑动低点安装槽(103)并缩回至所述后关节盖(211)内，从而使所述后关节盖(211)能够相对于所述载具本体转动和/或滑动。
  17. 如权利要求3至16任一所述的儿童载具，其中所述操作部包括：
    第二解锁件(712)，设置在所述背板组件(1)的前表面；
    其中，所述第二使用状态到所述第一使用状态的切换过程通过对所述第二解锁件(712)的施力动作实现。
  18. 如权利要求17所述的儿童载具，其中所述后关节组件具有锁定件(212)和 后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述背板组件(1)具有滑动低点安装槽(103)，邻近所述滑槽组件靠近地面的一端设置；
    其中，所述儿童载具还包括：与所述锁定件(212)连接的第一锁定机构，所述第一锁定机构被配置为在锁定状态下使所述锁定件(212)限制所述后关节盖(211)相对于所述载具本体的转动和滑动；
    所述第二解锁件(712)通过第一绳与所述第一锁定机构连接，被配置为解锁所述第一锁定机构，以推动所述锁定件(212)脱离所述滑动低点安装槽(103)并缩回至所述后关节盖(211)内，从而使所述后关节盖(211)能够相对于所述载具本体转动和/或滑动。
  19. 如权利要求3至18任一所述的儿童载具，其中所述操作部包括：
    解锁提手(412)，设置在所述座板(4)的上表面；
    其中，所述第一使用状态到所述第三使用状态的切换过程通过对所述解锁提手(412)的施力动作实现。
  20. 如权利要求19所述的儿童载具，其中所述连杆组件(5)具有第一连杆(511)和第二连杆(512)，所述第二连杆(512)套接在所述第一连杆(511)内，并可相对于所述第一连杆(511)滑动；所述背板组件(1)具有第一腔体(123)，所述座板(4)具有第二腔体(124)；
    其中，所述儿童载具还包括：设置在所述连杆组件(5)上的第四锁定机构和可滑动地设置在所述第一腔体(123)和所述第二腔体(124)内的第三锁定机构，所述第四锁定机构被配置为在锁定状态下限制所述第一连杆(511)和所述第二连杆(512)的相对移动，所述第三锁定机构被配置为在锁定状态下插入腔口对接的所述第一腔体(123)和所述第二腔体(124)，以限制所述背板组件(1)与所述座板(4)的相对转动；
    所述解锁提手(412)分别通过第四绳和第三绳(417)与所述第四锁定机构和所述第三锁定机构连接，被配置为同时解锁所述第四锁定机构和所述第三锁定机构，以使所述第一连杆(511)和所述第二连杆(512)能够相对伸缩，以及所述第一腔体(123)的腔口和所述第二腔体(124)的腔口能够分离，从而使所述背板组件(1)相对于所述座板(4)可转动。
  21. 如权利要求14至20任一所述的儿童载具，还包括：
    设置在所述背板组件(1)内的手把套管(121)和与所述手把套管(121)活动连接的手把杆(910)；
    其中，所述儿童载具还包括：设置在手把杆(910)上的第八锁定机构和通过第八绳(912)与所述第八锁定机构连接的手把解锁件(911)，所述第八锁定机构被配置为在锁定状态下限制所述手把杆(910)相对于所述手把套管(121)伸缩，所述手把解锁件(911)被配置为解锁所述第八锁定机构，以使所述手把杆(910)相对于所述手把套管(121)可伸缩。
  22. 如权利要求14至21任一所述的儿童载具，还包括：
    与所述后关节组件连接的手把下管(916)和与所述手把下管(916)活动连接的手把上管(915)；
    其中，所述儿童载具还包括：设置在所述手把上管(915)上的第九锁定机构和通过第九绳(919)与所述第九锁定机构连接的手把解锁件(911)，所述第九锁定机构被配置为在锁定状态下限制所述手把上管(915)相对于所述手把下管(916)伸缩，所述手把解锁件(911)被配置为解锁所述第九锁定机构，以使所述手把上管(915)相对于所述手把下管(916)可伸缩。
  23. 如权利要求22所述的儿童载具，其中所述后关节组件具有锁定件(212)和后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述手把下管(916)具有手把关节盖，通过所述手把关节盖与所述后关节组件连接；
    其中，所述儿童载具还包括：与所述手把关节盖活动连接的第十锁定机构，被配置为在锁定状态下，卡接在所述后关节组件和所述手把关节盖之间，以限制所述手把下管(916)和所述后关节组件的相对转动；
    所述手把上管(915)与所述第十锁定机构相对，被配置为顶压所述第十锁定机构解锁，以推动所述锁定件(212)脱离所述后关节组件，并缩回至所述手把关节盖内，以使所述手把关节盖相对于所述后关节组件可转动。
  24. 如权利要求3至23任一所述的儿童载具，其中所述背板组件(1)包括：与所述座板(4)可转动地连接的可调节靠背(7)和分别设置在所述可调节靠背(7)的两侧的两个侧边结构；所述可调节靠背(7)相对于所述侧边结构的角度可调；
    所述侧边结构靠近所述可调节靠背(7)的一侧具有多个靠背调节固定槽，所述多个靠背调节固定槽对应于所述可调节靠背(7)的不同角度；
    所述可调节靠背(7)包括靠背调节卡销(713)和通过第七绳与所述靠背调节卡销(713)连接的第一解锁件(711)，所述靠背调节卡销(713)被配置为在锁定状态下插入所述多个靠背调节固定槽中的一个，以使所述可调节靠背(7)与所述座板(4)锁定在不同的开合角度，所述第一解锁件(711)被配置为使所述靠背调节卡销(713)脱离所述靠背调节固定槽，以使所述可调节靠背(7)相对于所述座板(4)可转动。
  25. 如权利要求24所述的儿童载具，还包括：
    头枕(811)、设置在可调节靠背(7)内的头靠套管(714)和头靠伸缩管(812)，所述头靠伸缩管(812)与所述头靠套管(714)活动连接，且一端与所述头枕(811)连接；
    其中，所述儿童载具还包括：设置在所述头靠伸缩管(812)上的第十一锁定机构(814)和设置在所述头枕(811)上并通过第十一绳(815)连接所述第十一锁定机构(814)的头靠调节键(813)，在锁定状态下所述第十一锁定机构(814)被配置为限制所述头靠伸缩管(812)在所述头靠套管(714)内伸缩；所述头靠调节键(813)被配置为解锁所述第十一锁定机构(814)，以使所述头靠伸缩管(812)能够相对所述头靠套管(714)伸缩。
  26. 如权利要求25所述的儿童载具，还包括：
    第二解锁件(712)，设置在所述背板组件(1)的前表面；
    头靠自动滑落顶块(716)，邻近所述头靠伸缩管(812)和所述头靠套管(714)设置；
    头靠自动滑落拉块(715)，与所述头靠自动滑落顶块(716)的凹槽通过楔形面抵接，并与所述第二解锁件(712)通过第十二绳(717)连接；
    所述头靠自动滑落拉块(715)被配置为随所述第二解锁件(712)的操作带动所述头靠自动滑落顶块(716)将所述第十一锁定机构(814)推入所述头靠伸缩管(812)内，使所述头靠伸缩管(812)在所述头靠套管(714)内向下移动，以收合在所述头靠套管(714)内。
  27. 如权利要求3至26任一所述的儿童载具，其中所述后关节组件具有锁定件(212)和后关节盖(211)，所述锁定件(212)沿轴向可滑动地设置在所述后关节盖(211)内，所述后脚组件(2)与所述后关节盖(211)连接；所述背板组件(1)具有滑动低点安装槽(103)，邻近所述滑槽组件靠近地面的一端设置；所述背板组 件(1)包括与所述座板(4)可转动地连接的可调节靠背(7)和分别设置在所述可调节靠背(7)的两侧的两个侧边结构；所述可调节靠背(7)相对于所述侧边结构的角度可调；所述滑槽组件具有第一滑槽，所述后关节组件具有后关节盖(211)，所述后关节盖(211)具有穿设所述第一滑槽的第一凸起(201)；所述可调节靠背(7)的左右两侧设有第一控制槽(701)和与所述第一控制槽(701)连通且呈夹角的第二控制槽(702)；
    其中，所述儿童载具还包括：与所述锁定件(212)连接的第一锁定机构，所述第一锁定机构被配置为在锁定状态下使所述锁定件(212)限制所述后关节盖(211)相对于所述载具本体的转动和滑动；
    其中，所述第一控制槽(701)在所述可调节靠背(7)相对于所述座板(4)呈汽座设定角度时与所述第一滑槽平行，所述第一凸起(201)被配置为在所述可调节靠背(7)相对于所述座板(4)呈汽座设定角度时穿过所述第一控制槽(701)，以便沿所述第一控制槽(701)和所述第一滑槽可滑动，并且仅在所述后关节组件滑动至所述滑动低点安装槽(103)，且被所述第一锁定机构锁定后，所述可调节靠背(7)相对于所述侧边结构调节角度时，所述第一凸起(201)沿所述第二控制槽(702)滑动。
  28. 如权利要求12、13、19或3所述的儿童载具，其中所述解锁提手(412)的侧壁设有凹槽，所述儿童载具还包括：提把锁定机构，所述提把锁定机构包括：提把卡扣(423)(420)和第一卡扣(423)复位元件(421)，所述提把卡扣(423)(420)具有凸起，所述提把卡扣(423)(420)的凸起与所述解锁提手(412)的凹槽活动连接，所述第一卡扣(423)复位元件(421)抵接在所述提把卡扣(423)(420)远离所述解锁提手(412)的一侧。
  29. 如权利要求12、13、17、18或26所述的儿童载具，其中所述第二解锁件(712)的侧壁设有凹槽，所述儿童载具还包括：次级锁定机构，所述次级锁定机构包括：卡扣(423)和第二卡扣复位元件(424)，所述卡扣(423)具有凸起，所述卡扣(423)的凸起与所述第二解锁件(712)的凹槽活动连接，所述第二卡扣复位元件(424)抵接在所述卡扣(423)远离所述第二解锁件(712)的一侧。
PCT/CN2023/085986 2022-11-09 2023-04-03 儿童载具 WO2024098646A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990064763A (ko) * 1999-05-07 1999-08-05 김두현 유아용 카시트를 이용한 유모차
GB2491552A (en) * 2011-02-28 2012-12-12 Phillip Pain Multi-purpose apparatus
CN104057849A (zh) * 2013-03-21 2014-09-24 双馀实业有限公司 儿童两用安全载具
CN205498679U (zh) * 2016-04-13 2016-08-24 李鸣晓 多功能汽车儿童安全座椅
CN218505944U (zh) * 2022-11-02 2023-02-21 珠海阳光儿童用品有限公司 一种儿童载具

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990064763A (ko) * 1999-05-07 1999-08-05 김두현 유아용 카시트를 이용한 유모차
GB2491552A (en) * 2011-02-28 2012-12-12 Phillip Pain Multi-purpose apparatus
CN104057849A (zh) * 2013-03-21 2014-09-24 双馀实业有限公司 儿童两用安全载具
CN205498679U (zh) * 2016-04-13 2016-08-24 李鸣晓 多功能汽车儿童安全座椅
CN218505944U (zh) * 2022-11-02 2023-02-21 珠海阳光儿童用品有限公司 一种儿童载具

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