Bracket connecting structure and child carrier

Abstract

The present application relates to a bracket connecting structure and a child carrier. The bracket connecting structure includes a bracket connecting assembly. The bracket connecting assembly includes: a connecting base, at least one turning arm, and a locking member. The at least one turning arm is pivotally connected to the connecting base. The locking member is movably arranged on the connecting base to limit or allow rotation of the at least one turning arm relative to the connecting base.

Description

BRACKET CONNECTING STRUCTURE AND CHILD CARRIER CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application claims priority to Chinese patent application No. 2023115616284, filed on November 21, 2023, and Chinese patent application No. 2023110488754, filed on August 18, 2023, the content of which are incorporated herein by reference in their entireties.TECHNICAL FIELD

[0002] The present application relates to the field of child carrier technologies, and in particular, to a bracket connecting structure and a child carrier with the bracket connecting structure.BACKGROUND

[0003] Cribs are practical tools for supporting babies and young children. In order to meet customers’ requirements for foldability and easy storage, cribs with foldable armrests have emerged. The foldable cribs have advantages of easy disassembling, folding, and storage. However, structures and folding methods of existing cribs are relatively complicated, which, on the one hand, makes a manufacturing cost higher, and on the other hand, requires a lot of time and effort during disassembling and folding of the cribs.SUMMARY

[0004] According to various embodiments of the present application, the present application provides a bracket connecting assembly, a bracket connecting structure, and a child carrier.

[0005] According to an aspect of the present application, a bracket connecting structure is provided. The bracket connecting structure includes a bracket connecting assembly. The bracket connecting assembly includes: a connecting base, at least one turning arm, and a locking member. The at least one turning arm is pivotally connected to the connecting base. The locking member is movably arranged on the connecting base to limit or allow rotation of the at least one turning arm relative to the connecting base.

[0006] In an embodiment, the bracket connecting assembly includes a moving connecting assembly. The moving connecting assembly includes: a pivot base, at least one set of pivot arms, and at least one moving locking member. The pivot base serves as the connecting base. The at least one set of pivot arms serves as the at least one turning arm. Each set of pivot arms includes a first pivot arm and a second pivot arm that are pivotally connected to a same side of the pivot base. The first pivot arm and the second pivot arm are spaced apart from each other. The at least one moving lockingmember is movably arranged on the pivot base and is switchable between a moving unlocked position and a moving locked position. When the moving locking member is in the moving locked position, the moving locking member simultaneously stops the first pivot arm and the second pivot arm to limit rotation of the first pivot arm and rotation of the second pivot arm; and when the moving locking member is in the moving unlocked position, the first pivot arm and the second pivot arm are rotatable relative to the pivot base.

[0007] In an embodiment, the moving locking member includes a first surface and a second surface that are opposite to each other. When the moving locking member is in the moving locked position, the first pivot arm is stopped by the first surface, and the second pivot arm is stopped by the second surface; and when the moving locking member is in the moving unlocked position, the first pivot arm is staggered from the first surface, and the second pivot arm is staggered from the second surface.

[0008] In an embodiment, one of the moving locking member and the pivot base is provided with a sliding groove, and another of the moving locking member and the pivot base is provided with a connecting protrusion or a connecting pin. The connecting protrusion or the connecting pin is in insertion fit with the sliding groove and is movable along the sliding groove.

[0009] In an embodiment, the moving locking member is provided with a guide surface adapted to guide at least one of the first pivot arm and the second pivot arm to pivot.

[0010] In an embodiment, two sets of pivot arms are provided. The two sets of pivot arms are arranged on two opposite sides of the pivot base respectively. Two moving locking members are provided. The two moving locking members respectively cooperate with the two sets of pivot arms to limit or allow rotation of the two sets of pivot arms relative to the pivot base.

[0011] In an embodiment, the moving connecting assembly further includes a moving reset member arranged between the two moving locking members. The moving reset member is adapted to bias the two moving locking members to cause the two moving locking members to tend to move towards the moving locked position.

[0012] In an embodiment, at least one of the two moving locking members is provided with a receiving groove adapted to at least partially accommodate the moving reset member.

[0013] In an embodiment, the moving connecting assembly further includes a connecting member. The connecting member is movably arranged on the pivot base. One of the connecting member andthe moving locking member is provided with a driving groove, an extending direction of the driving groove being at an angle to a moving direction of the moving locking member and at an angle to a moving direction of the connecting member, and another of the connecting member and the moving locking member is provided with a driving member. The driving member is in sliding fit with the driving groove to drive the moving locking member to switch between the moving locked position and the moving unlocked position.

[0014] In an embodiment, one connecting member is provided, and two moving locking members are provided. The two moving locking members are connected to the connecting member in a driven manner. The connecting member is provided with an avoidance groove. The connecting member is further provided with a spacing portion. The spacing portion divides the avoidance groove into a first avoidance groove and a second avoidance groove. When the two moving locking members are in the moving unlocked position, the first avoidance groove at least partially accommodating one of the two moving locking members, and the second avoidance groove at least partially accommodating another of the two moving locking members.

[0015] In an embodiment, the bracket connecting structure includes two moving connecting assemblies. The moving locking member of one of the two moving connecting assemblies is connected to the moving locking member of another of the two moving connecting assemblies through a linking member, so that when the one of the two moving connecting assemblies is operated, the other of the two moving connecting assemblies is driven to switch between a locked state and an unlocked state.

[0016] In an embodiment, each of the moving connecting assemblies includes two moving locking members that are opposite to each other. The two moving locking members include a first moving locking member and a second moving locking member. The two moving connecting assemblies include a first moving assembly and a second moving assembly. The second moving assembly includes the first moving locking member relatively close to the first moving assembly and the second moving locking member relatively far away from the first moving assembly. The first moving assembly includes the first moving locking member relatively far away from the second moving assembly and the second moving locking member relatively close to the second moving assembly. An end of the linking member is connected to the second moving locking member of the first moving assembly, and another end of the linking member is connected to the second movinglocking member of the second moving assembly.

[0017] In an embodiment, the linking member includes a pulling rope and a first latch end and a second latch end respectively arranged at two ends of the pulling rope. Each of the moving locking members has an engaging hole adapted to allow passage of the pulling rope. The first latch end and the second latch end are each engaged with the corresponding engaging hole.

[0018] In an embodiment, each of the moving connecting assemblies includes two moving locking members. The two moving locking members include a first moving locking member and a second moving locking member. The two moving connecting assemblies include a first moving assembly and a second moving assembly. The first latch end is engaged with the engaging hole of the second moving locking member of the first moving assembly, and the second latch end is engaged with the engaging hole of the second moving locking member of the second moving assembly.

[0019] In an embodiment, each engaging hole is provided with an abutting portion. The first latch end and the second latch end are each adapted to abut against the abutting portions in the corresponding engaging hole.

[0020] In an embodiment, the moving locking member of the one of the two moving connecting assemblies is further provided with a mounting through hole through which the first latch end extends, the moving locking member of the other of the two moving connecting assemblies is further provided with a mounting through hole through which the second latch end extends. Each mounting through hole is in communication with the respective engaging hole to allow the pulling rope to move between the mounting through hole and the engaging hole.

[0021] In an embodiment, the linking member further includes a sheath sleeved outside the pulling rope. An end of the sheath is provided with a first connecting end adapted to allow passage of the pulling rope, and another end of the sheath is provided with a second connecting end adapted to allow passage of the pulling rope. The two moving connecting assemblies include a first moving assembly and a second moving assembly. The first connecting end is limited by the pivot base of the first moving assembly, and the second connecting end is limited by the pivot base of the second moving assembly.

[0022] In an embodiment, the two moving connecting assemblies include a first moving assembly and a second moving assembly. The connecting member of the first moving assembly is provided with an operable operating portion.

[0023] In an embodiment, the bracket connecting assembly further includes a rotating connecting assembly and a linking member. The rotating connecting assembly includes: a rotating base, at least one first rotating arm, and at least one rotating locking member. The rotating base serves as the connecting base. The at least one first rotating arm serves as the turning arm. The at least one first rotating arm is pivotally connected to the rotating base. The at least one rotating locking member is rotatably arranged on the rotating base and is switchable between a rotating unlocked position and a rotating locked position. When the rotating locking member is in the rotating unlocked position, the first rotating arm is rotatable relative to the rotating base, and when the rotating locking member is in the rotating locked position, the first rotating arm is limited from rotating relative to the rotating base. The moving connecting assembly is capable of driving, through the linking member, the rotating connecting assembly to switch from a locked state to an unlocked state; or the rotating connecting assembly is capable of driving, through the linking member, the moving connecting assembly to switch from a locked state to an unlocked state.

[0024] In an embodiment, one of the first rotating arm and the rotating locking member is provided with an engaging recess, and another of the first rotating arm and the rotating locking member is provided with an engaging protrusion. When the rotating locking member is in the rotating locked position, the engaging protrusion is engaged with the engaging recess, and when the rotating locking member is in the rotating unlocked position, the engaging protrusion is disengaged from the engaging recess.

[0025] In an embodiment, an engaging protrusion is formed on an end of the first rotating arm, and the rotating locking member is provided with an engaging recess facing the first rotating arm.

[0026] In an embodiment, two first rotating arms are provided. Ends of the two first rotating arms facing each other are pivotally connected to the rotating base. Two rotating locking members are provided. The two rotating locking members are capable of being engaged with the respective first rotating arms. The two rotating locking members are meshed with each other to allow the two rotating locking members to synchronously switch between the rotating locked position and the rotating unlocked position.

[0027] In an embodiment, the rotating connecting assembly further includes a rotating reset member. The rotating reset member biases the rotating locking member to cause the rotating locking member to tend to rotate towards the rotating locked position.

[0028] In an embodiment, an end of the linking member is connected to the moving locking member of the moving connecting assembly, and another end of the linking member is connected to the rotating locking member. When the moving locking member moves from the moving locked position to the moving unlocked position, the rotating locking member is driven, by the linking member, to switch from the rotating locked position to the rotating unlocked position.

[0029] In an embodiment, the rotating connecting assembly includes two rotating locking members meshed with each other. The two rotating locking members include a first rotating locking member relatively close to the moving connecting assembly and a second rotating locking member relatively far away from the moving connecting assembly. The moving connecting assembly includes two moving locking members. The two moving locking members include a first moving locking member relatively far away from the rotating connecting assembly and a second moving locking member relatively close to the rotating connecting assembly. An end of the linking member is connected to the first rotating locking member, and another end of the linking member is connected to the second moving locking member.

[0030] In an embodiment, the linking member includes a pulling rope and a first latch end and a second latch end connected to two ends of the pulling rope. The second moving locking member is provided with an engaging hole, and the first rotating locking member is provided with an engaging groove. The first latch end is engaged with the engaging hole of the second moving locking member, and the second latch end is engaged with the engaging groove of the first rotating locking member.

[0031] In an embodiment, the engaging groove includes a first groove portion adapted to be engaged with the second latch end and a second groove portion adapted to allow passage of the pulling rope. The first groove portion is in communication with the second groove portion. An extending direction of the first groove portion is at an angle to an extending direction of the second groove portion.

[0032] In an embodiment, the linking member further includes a sheath sleeved outside the pulling rope. An end of the sheath is provided with a first connecting end adapted to allow passage of the pulling rope, and another end of the sheath is provided with a second connecting end adapted to allow passage of the pulling rope. The first connecting end is limited by the rotating base, and the second connecting end is limited by the pivot base.

[0033] In an embodiment, the rotating base is provided with a connecting frame. The firstconnecting end is connected to the connecting frame. The pivot base is provided with a fixed frame, and the second connecting end is connected to the fixed frame.

[0034] In an embodiment, the bracket connecting assembly includes a rotating connecting assembly. The rotating connecting assembly includes: a rotating base, at least one first rotating arm, and at least one rotating locking member. The rotating base serves as the connecting base. The at least one first rotating arm serves as the turning arm. The at least one first rotating arm is pivotally connected to the rotating base. The at least one rotating locking member is rotatably arranged on the rotating base and is switchable between a rotating unlocked position and a rotating locked position. When the rotating locking member is in the rotating unlocked position, the first rotating arm is rotatable relative to the rotating base, and when the rotating locking member is in the rotating locked position, the first rotating arm is limited from rotating relative to the rotating base.

[0035] In an embodiment, one of the first rotating arm and the rotating locking member is provided with an engaging recess, and another of the first rotating arm and the rotating locking member is provided with an engaging protrusion. When the rotating locking member is in the rotating locked position, the engaging protrusion is engaged with the engaging recess, and when the rotating locking member is in the rotating unlocked position, the engaging protrusion is disengaged from the engaging recess.

[0036] In an embodiment, an engaging protrusion is formed on an end of the first rotating arm, and the rotating locking member is provided with an engaging recess facing the first rotating arm.

[0037] In an embodiment, the rotating connecting assembly is provided with two first rotating arms. Ends of the two first rotating arms facing each other are pivotally connected to the rotating base.

[0038] In an embodiment, two rotating locking members are provided. The two rotating locking members are capable of being engaged with the respective first rotating arms. The two rotating locking members are meshed with each other to allow the two rotating locking members to synchronously switch between the rotating locked position and the rotating unlocked position.

[0039] In an embodiment, the rotating connecting assembly further includes a rotating reset member. The rotating reset member biases the rotating locking member to cause the rotating locking member to tend to rotate towards the rotating locked position.

[0040] In an embodiment, the rotating connecting assembly further includes at least one second rotating arm. The at least one second rotating arm is pivotably connected to the rotating base.

[0041] In an embodiment, the rotating connecting assembly further includes an operating member. The rotating base of the rotating connecting assembly has an accommodating groove, the rotating locking member is at least partially accommodated in the accommodating groove. A sidewall of the accommodating groove is provided with a through hole. The operating member is connected to the rotating locking member via the through hole to drive the rotating locking member to switch between the rotating locked position and the rotating unlocked position.

[0042] In an embodiment, the rotating locking member is provided with a pivoting protrusion. The pivoting protrusion is provided with a concave portion. The operating member is provided with a pivoting recess adapted to accommodate the pivoting protrusion. The pivoting recess is provided with a convex portion adapted to be engaged with the concave portion.

[0043] In an embodiment, two rotating connecting assemblies are provided. The two rotating connecting assemblies are connected in a driven manner through a linking member. When one of the rotating connecting assemblies is operated, another of the rotating connecting assemblies is driven by the linking member to switch between a locked state and an unlocked state.

[0044] In an embodiment, each of the rotating connecting assemblies includes two rotating locking members. The two rotating locking members include a first rotating locking member and a second rotating locking member. The two rotating connecting assemblies include a first rotating assembly and a second rotating assembly. The t second rotating assembly includes the first rotating locking member relatively close to the first rotating assembly and the second rotating locking member relatively far away from the first rotating assembly. The first rotating assembly includes the first rotating locking member relatively far away from the second rotating assembly and the second rotating locking member relatively close to the second rotating assembly. An end of the linking member is connected to the first rotating locking member of the first rotating assembly, and another end of the linking member is connected to the first rotating locking member of the second rotating assembly.

[0045] In an embodiment, each of the rotating connecting assemblies includes two rotating locking members. The two rotating locking members include a first rotating locking member and a second rotating locking member. At least the first rotating locking member is provided with an engaging groove. The two rotating connecting assemblies include a first rotating assembly and a second rotating assembly. The linking member includes a pulling rope and a first latch end and asecond latch end respectively arranged at two ends of the pulling rope. The first latch end is engaged with the engaging groove of the first rotating locking member of the first rotating assembly, and the second latch end is engaged with the engaging groove of the first rotating locking member of the second rotating assembly.

[0046] In an embodiment, the engaging groove includes a first groove portion and a second groove portion adapted to allow passage of the pulling rope. The first groove portion is in communication with the second groove portion. An extending direction of the first groove portion is at an angle to an extending direction of the second groove portion. The first latch end or the second latch end is adapted to be engaged with the first groove portion.

[0047] In an embodiment, the second rotating locking member of the first rotating assembly is provided with a holding groove, and two ends of the holding groove are open ends to allow passage of the pulling rope.

[0048] In an embodiment, the linking member further includes a sheath sleeved outside the pulling rope. An end of the sheath is provided with a first connecting end adapted to allow passage of the pulling rope and capable of abutting against the first latch end, and another end of the sheath is provided with a second connecting end adapted to allow passage of the pulling rope and capable of abutting against the second latch end. The first connecting end is limited by the rotating base of the first rotating assembly, and the second connecting end is limited by the rotating base of the second rotating assembly.

[0049] In an embodiment, the two rotating bases are each provided with a connecting frame, and the first connecting end and the second connecting end are respectively limited by the corresponding connecting frames.

[0050] In an embodiment, the two rotating connecting assemblies include a first rotating assembly and a second rotating assembly. The first rotating assembly further includes an operating member connected to the rotating locking member in a driven manner. The operating member is configured to drive the rotating locking member of the first rotating assembly to rotate to cause the rotating locking member of the first rotating assembly to switch between the rotating locked position and the rotating unlocked position.

[0051] In an embodiment, the rotating base of the first rotating assembly has an accommodatinggroove. The rotating locking member of the first rotating assembly is at least partially accommodated in the accommodating groove. A side-wall of the accommodating groove is provided with a through hole, and the operating member is connected to the rotating locking member via the through hole.

[0052] In an embodiment, the rotating locking member of the first rotating assembly is provided with a pivoting protrusion. The pivoting protrusion is provided with a concave portion. The operating member is provided with a pivoting recess adapted to accommodate the pivoting protrusion. The pivoting recess is provided with a convex portion adapted to be engaged with the concave portion.

[0053] In an embodiment, the rotating locking member includes a first rotating locking member and a second rotating locking member. The operating member is connected to the first rotating locking member of the first rotating assembly in a driven manner.

[0054] In an embodiment, the bracket connecting structure is provided with a plurality of bracket connecting assemblies, and the bracket connecting structure further includes: a corner connecting member, a support leg, and a plurality of connecting rods. The plurality of bracket connecting assemblies are connected to the corner connecting member. The support leg is connected to the comer connecting member, and the support leg is provided with a sliding structure. The sliding structure includes a sliding member slidably arranged on the support leg. The at least one turning arm of each of the bracket connecting assemblies is connected to the sliding structure through the corresponding connecting rod, so that when the at least one turning arm of one of the bracket connecting assemblies rotates, the at least one turning arm of another of the bracket connecting assemblies is driven through the connecting rod and the sliding structure to rotate.

[0055] In an embodiment, the first rotating arm includes a body rod and an engaging rod. The engaging rod is connected to an end of the body rod adjacent to the rotating locking member and is movable between an extended position and a retracted position relative to the body rod. The first rotating arm has an unfolded position and a folded position. During switching of the first rotating arm from the folded position to the unfolded position, the rotating locking member pushes against the engaging rod so that the engaging rod moves from the extended position to the retracted position.

[0056] In an embodiment, the rotating locking member is provided with an engaging recess, and an end of the engaging rod away from the body rod serves as an engaging protrusion. When the first rotating arm is in the folded position, the engaging protrusion is separated from the engaging recess and the engaging rod is in the extended position; and when the first rotating arm switches from thefolded position to the unfolded position, the engaging protrusion faces the engaging recess, and the engaging rod moves from the retracted position to the extended position, so that the engaging protrusion is engaged with the engaging recess.

[0057] In an embodiment, one of the body rod and the engaging rod is provided with insertion cavity, and another of the body rod and the engaging rod is inserted into and at least partially limited into the insertion cavity.

[0058] In an embodiment, the body rod is provided with an insertion cavity and is pivotally connected to the rotating base through a pin shaft. The engaging rod is inserted into the insertion cavity and is provided with a guide groove, an extending direction of the guide groove is parallel to an extending direction of the insertion cavity. The pin shaft extends through the guide groove and limits the engaging rod from being separated from the body rod.

[0059] In an embodiment, an end of the engaging rod away from the engaging protrusion is provided with a first insertion end and a second insertion end. The first insertion end and the second insertion end enclose an introduction opening in communication with the guide groove. At least one of the first insertion end and the second insertion end is provided with a limiting protrusion. The engaging rod allows the pin shaft to extend into the guide groove through the introduction opening and limits the guide groove from being separated from the pin shaft by abutting the limiting protrusion against the pin shaft.

[0060] In an embodiment, the first rotating arm is further provided with a telescopic reset member. An end of the telescopic reset member abuts against the pin shaft, another end of the telescopic reset member abuts against the engaging rod. The telescopic reset member biases the engaging rod to move towards the extended position.

[0061] In an embodiment, the engaging rod is provided with an accommodating cavity, and the telescopic reset member is accommodated in the accommodating cavity and abuts against a bottom wall of the accommodating cavity.

[0062] In an embodiment, the at least one turning arm includes a first turning arm. The first turning arm is pivotally connected to the connecting base through a pin shaft and is switchable between an unfolded position and a folded position. The bracket connecting assembly is further provided with an auxiliary reset member. An end of the auxiliary reset member is connected to the connecting base, another end of the auxiliary reset member abuts against the first turning arm. Theauxiliary reset member biases the first turning arm to rotate towards the unfolded position.

[0063] In an embodiment, the auxiliary reset member includes two spring body portions, two first end portions, and a second end portion connected to the two spring body portions. The first turning arm is pivotally connected to the connecting base through the pin shaft. The two spring body portions are sleeved on the pin shaft and respectively located at two opposite sides of the first turning arm. The two first end portions abut against the connecting base, and the second end portion abuts against the first turning arm and is located between the first turning arm and a second turning arm.

[0064] According to another aspect of the present application, a bracket connecting assembly is provided. The bracket connecting assembly includes: a pivot base, at least one set of pivot arms, and at least one moving locking member. Each set of pivot arms includes a first pivot arm and a second pivot arm pivotally connected to a same side of the pivot base. The first pivot arm and the second pivot arm are spaced apart from each other. The at least one moving locking member is arranged on the pivot base and is switchable between a moving unlocked position and a moving locked position. When the moving locking member is in the moving locked position, the moving locking member simultaneously stops the first pivot arm and the second pivot arm to limit rotation of the first pivot arm and rotation of the second pivot arm; and when the moving locking member is in the moving unlocked position, the first pivot arm and the second pivot arm are rotatable relative to the pivot base.

[0065] According to yet another aspect of the present application, a bracket connecting assembly is provided. The bracket connecting assembly includes a rotating base, at least one first rotating arm, and at least one rotating locking member. The at least one first rotating arm is pivotally connected to the rotating base. The at least one rotating locking member is rotatably arranged on the rotating base and is switchable between a rotating unlocked position and a rotating locked position. When the rotating locking member is in the rotating unlocked position, the first rotating arm is rotatable relative to the rotating base, and when the rotating locking member is in the rotating locked position, the first rotating arm is limited from rotating relative to the rotating base.

[0066] According to still another aspect of the present application, a child carrier is provided. The child carrier includes the bracket connecting structure in any one of the above embodiments.

[0067] According to a further aspect of the present application, a child carrier is provided. The child carrier includes the bracket connecting assembly in any one of the above embodiments.BRIEF DESCRIPTION OF THE DRAWINGS

[0068] FIG. l is a cross-sectional view of a bracket connecting assembly of a bracket connecting structure according to a first embodiment of the present application.

[0069] FIG. 2 is an exploded view of the bracket connecting assembly of the bracket connecting structure according to the first embodiment of the present application.

[0070] FIG. 3 is a schematic view of a moving locking member of the bracket connecting structure according to the first embodiment of the present application.

[0071] FIG. 4 is a schematic view of a bed frame of a child carrier according to the first embodiment of the present application, with the child carrier in an unfolded state.

[0072] FIG. 5 is another schematic view of the bed frame of the child carrier according to the first embodiment of the present application, with the child carrier in a semi-folded state.

[0073] FIG. 6 is another schematic view of the bed frame of the child carrier according to the first embodiment of the present application, with the child carrier is in a folded state.;

[0074] FIG. 7 is a cross-sectional view of a bracket connecting structure according to a second embodiment of the present application, with two moving connecting assemblies of the bracket connecting structure in a locked state.

[0075] FIG. 8 is another cross-sectional view of the bracket connecting structure according to the second embodiment of the present application, with the two moving connecting assemblies of the bracket connecting structure in an unlocked state and pivot arms in an unfolded state.

[0076] FIG. 9 is another cross-sectional view of the bracket connecting structure according to the second embodiment of the present application, with the two moving connecting assemblies of the bracket connecting structure in the unlocked state and the pivot arms in a folded state.

[0077] FIG. 10 is a cross-sectional view of a connecting member of a first moving connecting assembly according to the second embodiment of the present application.

[0078] FIG. 11 is a cross-sectional view of a connecting member of a second moving connecting assembly according to the second embodiment of the present application.

[0079] FIG. 12 is a schematic view of a moving locking member according to the second embodiment of the present application.

[0080] FIG. 13 is a schematic view of the moving locking member according to the second embodiment of the present application from another perspective.

[0081] FIG. 14 is a schematic view of a linking member according to the second embodiment of the present application.

[0082] FIG. 15 is a schematic view of a bed frame of a child carrier according to the second embodiment of the present application.

[0083] FIG. 16 is a schematic view of a bracket connecting assembly of a bracket connecting structure according to a third embodiment of the present application.

[0084] FIG. 17 is a cross-sectional view of the bracket connecting assembly of the bracket connecting structure according to the third embodiment of the present application, with a rotating connecting assembly in a locked state.

[0085] FIG. 18 is another cross-sectional view of the bracket connecting assembly of the bracket connecting structure according to the third embodiment of the present application, with the rotating connecting assembly in an unlocked state and a first rotating arm and a second rotating arm in an unfolded state.

[0086] FIG. 19 is another cross-sectional view of the bracket connecting assembly of the bracket connecting structure according to the third embodiment of the present application, with a rotating locking member in a rotating unlocked position and the first rotating arm and the second rotating arm in a folded state.

[0087] FIG. 20 is a schematic view of the bracket connecting assembly of the bracket connecting structure according to the third embodiment of the present application, with an operating member omitted.

[0088] FIG. 21 is a schematic view of the operating member of the bracket connecting assembly according to the third embodiment of the present application.

[0089] FIG. 22 is a schematic view of a bed frame of a child carrier according to the third embodiment of the present application.

[0090] FIG. 23 is a cross-sectional view of a bracket connecting structure according to a fourth embodiment of the present application.

[0091] FIG. 24 is a schematic view of a first rotating assembly of the bracket connecting structure according to the fourth embodiment of the present application, with a first rotating assembly in a locked state and a sidewall of a rotating base omitted.

[0092] FIG. 25 is another schematic view of the first rotating assembly of the bracket connectingstructure according to the fourth embodiment of the present application, with the first rotating assembly in an unlocked state and a sidewall of the rotating base omitted.

[0093] FIG. 26 is a schematic view of the first rotating assembly according to the fourth embodiment of the present application, with an operating member omitted.

[0094] FIG. 27 is a cross-sectional view of a second rotating assembly of the bracket connecting structure according to the fourth embodiment of the present application.

[0095] FIG. 28 is a cross-sectional view of the second rotating assembly of the bracket connecting structure according to the fourth embodiment of the present application from another perspective, with the second rotating assembly in an unlocked state.

[0096] FIG. 29 is a schematic view of a linking member of the bracket connecting structure according to the fourth embodiment of the present application.

[0097] FIG. 30 is a schematic view of a rotating locking member of the bracket connecting structure according to the fourth embodiment of the present application.

[0098] FIG. 31 is a schematic view of a bed frame of a child carrier according to the fourth embodiment of the present application.

[0099] FIG. 32 is a schematic view of a rotating connecting assembly of a bracket connecting structure according to the fifth embodiment of the present application, with the rotating connecting assembly in a locked state.

[0100] FIG. 33 is another schematic view of a moving connecting assembly of the bracket connecting structure according to the fifth embodiment of the present application, with the moving connecting assembly in an unlocked state.

[0101] FIG. 34 is a cross-sectional view of the rotating connecting assembly of the bracket connecting structure according to the fifth embodiment of the present application, with the rotating connecting assembly in an unlocked state and a first rotating arm and a second rotating arm in an unfolded state.

[0102] FIG. 35 is a cross-sectional view of the moving connecting assembly of the bracket connecting structure according to the fifth embodiment of the present application, with the moving connecting assembly in the unlocked state and a first pivot arm and a second pivot arm in an unfolded state.

[0103] FIG. 36 is another cross-sectional view of the rotating connecting assembly of the bracketconnecting structure according to the fifth embodiment of the present application, with the rotating connecting assembly in the locked state and the first rotating arm and the second rotating arm are in a folded state.

[0104] FIG. 37 is another sectional view of the moving connecting assembly of the bracket connecting structure according to the fifth embodiment of the present application, with the moving connecting assembly in the unlocked state and the first pivot arm and the second pivot arm in the folded state.

[0105] FIG. 38 is a schematic view of a linking member of the bracket connecting structure according to the fifth embodiment of the present application.

[0106] FIG. 39 is a schematic view of a moving locking member according to the fifth embodiment of the present application.

[0107] FIG. 40 is a schematic view of a bed frame of a child carrier according to the fifth embodiment of the present application.

[0108] FIG. 41 is a schematic view of a bed frame of a child carrier according to a seventh embodiment of the present application.

[0109] FIG. 42 is a schematic view of a bracket connecting assembly according to the seventh embodiment of the present application.

[0110] FIG. 43 is a schematic view of the bracket connecting assembly shown in FIG. 42, with a body rod omitted.[OHl] FIG. 44 is a cross-sectional view of the bracket connecting assembly of the child carrier taken along a line Ul-Ul in FIG. 41.

[0112] FIG. 45 is a schematic view of an engaging rod of the bracket connecting assembly shown in FIG. 43.

[0113] FIG. 46 is a schematic view of an auxiliary reset member of the child carrier shown in FIG. 41.DETAILED DESCRIPTION

[0114] In order to make the above objects, features and advantages of the present application more obvious and understandable, specific implementations of the present application are described in detail below with reference to the accompanying drawings. In the following description, many specific details are set forth in order to fully understand the present application. However, the presentapplication can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by specific embodiments disclosed below.

[0115] In the description of the present application, it is to be understood that the orientation or position relationships indicated by the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like are based on the orientation or position relationships shown in the accompanying drawings and are intended to facilitate the description of the present application and simplify the description only, rather than indicating or implying that the apparatus or element indicated must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be interpreted as limiting the present application.

[0116] In addition, the terms "first" and "second" are used for descriptive purposes only, which cannot be construed as indicating or implying a relative importance, or implicitly specifying the number of the indicated technical features. Therefore, the features defined by "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present application, the term "a plurality of means at least two, such as two or three, unless otherwise defined explicitly and specifically.

[0117] In the present application, unless otherwise specified and defined explicitly, the terms "mounting", "connecting", "coupling", and "fixation" should be understood in a broad sense, which may be, for example, a fixed connection, a detachable connection, or an integral connection; or a mechanical connection or an electrical connection; or a direct connection, or an indirect connection via an intermediate medium, or an internal connection between two elements, or interaction between two elements. Those of ordinary skill in the art can understand specific meanings of these terms in the present application according to specific situations.

[0118] In the present application, unless otherwise explicitly specified and defined, the expression a first feature being "on" or "under" a second feature may be the case that the first feature is in direct contact with the second feature, or the first feature is in indirect contact with the second feature via an intermediate medium. Furthermore, the expression the first feature being "over","above" and "on top of the second feature may be the case that the first feature is directly above or obliquely above the second feature, or only means that the first feature is higher in level than the second feature. The expression the first feature being "below", "underneath" or "under" the second feature may be the case that the first feature is directly underneath or obliquely underneath the second feature, or only means that the first feature is lower in level than the second feature.

[0119] It is to be noted that when one element is referred to as being "fixed to" or "arranged on" another element, it may be directly disposed on the other element or an intermediate element may exist. When one element is considered to be "connected to" another element, it may be directly connected to the another element or an intermediate element may exist at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar expressions used herein are for illustrative purposes only and do not represent unique implementations.

[0120] According to a first embodiment of the present application, a bracket connecting assembly 10, a bracket connecting structure 1 including the bracket connecting assembly 10, and a child carrier including the bracket connecting structure 1 are provided.

[0121] FIGS. 1 to 4 are schematic views of the bracket connecting assembly 10 of the bracket connecting structure 1 according to the first embodiment of the present application. The bracket connecting assembly 10 includes a moving connecting assembly 11. The moving connecting assembly 11 has a locked state and an unlocked state. The moving connecting assembly 11 includes a pivot base 111, at least one set of pivot arms 112, and at least one moving locking member 113. The moving locking member 113 serves as a locking member of the bracket connecting assembly 10. The pivot arm 112 and the moving locking member 113 are mounted on the pivot base 111. The bracket connecting structure 1 is applicable to, for example, a child carrier, but is not limited to the child carrier. The child carrier may be, for example, a crib (including a baby hammock, a baby play yard and other types of cribs), a baby stroller, or the like, so as to enable rod members of the child carrier provided with the bracket connecting structure 1 to be unfolded and folded, thereby being switchable between a use state and a folded state and meeting different usage requirements of a user.

[0122] As shown in FIGS. 1 to 2, each set of pivot arms 112 includes a first pivot arm 112a and a second pivot arm 112b pivotally connected to the same side of the pivot base 111. The first pivot arm 112a and the second pivot arm 112b are spaced apart. A pivot axis about which the first pivot arm 112a rotates relative to a pivot base 111 is Xl-Xl. Apivot axis about which the second pivot arm112b rotates relative to the pivot base 111 is X2-X2. The pivot axes Xl-Xl and X2-X2 are substantially parallel to each other. A moving direction MD1 of the moving locking member 113 relative to the pivot base 111 is substantially perpendicular to the pivot axis Xl-Xl. The moving locking member 113 is movably arranged on the pivot base 111 and is switchable between a moving unlocked position and a moving locked position. When the moving locking member 113 is in the moving locked position, the moving connecting assembly 11 is in a locked state, the moving locking member 113 abuts against the first pivot arm 112a and the second pivot arm 112b to limit the first pivot arm 112a and the second pivot arm 112b from pivoting, and the locking member 113 locks the first pivot arm 112a and the second pivot arm 112b in an unfolded position. When the moving locking member 113 is in the moving unlocked position, the moving connecting assembly 11 is in an unlocked state, the first pivot arm 112a and the second pivot arm 112b can rotate relative to the pivot base 111, and the moving locking member 113 allows the first pivot arm 112a and the second pivot arm 112b to pivot between the unfolded position and a folded position.

[0123] As shown in FIGS. 1 to 2, the moving connecting assembly 11 may be provided with two sets of pivot arms 112. The two sets of pivot arms 112 are arranged on two opposite sides of the pivot base 111 respectively. In some embodiments, the moving connecting assembly 11 may be provided with two moving locking members 113, which are a first moving locking member 113a and a second moving locking member 113b respectively. The two moving locking members 113 act on different sets of pivot arms 112 respectively. That is, the first moving locking member 113a is configured to limit or allow the pivoting of both the first pivot arm 112a and the second pivot arm 112b that are located on the same side as the first moving locking member 113a. The second moving locking member 113b is configured to limit or allow the pivoting of both the first pivot arm 112a and the second pivot arm 112b that are located on the same side as the second moving locking member 113b. It may be understood that in other embodiments, the moving connecting assembly 11 may be provided with a set of pivot arms 112 and a moving locking member 113. In some other embodiments, the moving connecting assembly may be provided with two sets of pivot arms 112 and a moving locking member 113; and the moving locking member 113 acts on the two sets of pivot arms 112. Other configurations are also possible, and which is not limited hereto.

[0124] As shown in FIGS. 1 to 2, the pivot base 111 includes an accommodating groove 1113 adapted to accommodate the moving locking member 113. The accommodating groove 1113 isdefined by a top wall 1114 and a pair of sidewalls 1115 connected to two opposite sides of the top wall 1114. An end of the pivot arm 112 is accommodated in the accommodating groove 1113, and is pivotally connected to the pair of sidewalls 1115 of the pivot base 111 through a pin shaft (not shown) which may be, for example, a rivet, a screw, a bolt, or the like. The second pivot arm 112b is closer to the top wall 1114 of the pivot base 111 than the first pivot arm 112a. When the second pivot arm 112b is in an unfolded state, an end of the second pivot arm 112b accommodated in the accommodating groove 1113 can abut against the top wall 1114 of the pivot base 111 to prevent excessive pivoting.

[0125] In an embodiment, the pivot base Ill is provided with a sliding groove 1111. Specifically, the sidewall 1115 of the pivot base 111 is provided with the sliding groove 1111. The sliding groove 111 is elongated and extends in a direction parallel to the moving direction MD1 of the moving locking member 113. Referring to FIG. 3, the moving locking member 113 is provided with a connecting protrusion 1133. The connecting protrusion 1133 is inserted into the sliding groove 1111 and is movable along the sliding groove 1111. The moving locking member 113 is movably connected to the pivot base 111 by inserting the connecting protrusion 1133 into the sliding groove 1111. It may be understood that in some other embodiments, the moving locking member 113may be provided with the sliding groove 111, and the pivot base 111 may be provided with the connecting protrusion 1133, and which is not limited hereto.

[0126] As shown in FIGS. 1 to 3, the pivot base Ill is provided with a plurality of sliding grooves 1111, for example, four sliding grooves. The moving locking member 113 is correspondingly provided with a plurality of connecting protrusions 1133. For example, each moving locking member 113 is provided with two connecting protrusions, so that the moving locking member 113 can move along the direction MD1 more smoothly. In order to enable the moving locking members 113 to be firmly connected and to move smoothly, each moving locking member 113 may be provided with four connecting protrusions 1133, and the pivot base 111 is provided with eight sliding grooves to cooperate with the two moving locking members 113.

[0127] FIG. 3 is a schematic view of the moving locking member 113 of the bracket connecting structure 1 according to the first embodiment of the present application. The moving locking member 113 generally has a trapezoidal block structure. The moving locking member 113 includes a first surface 1131 and a second surface 1132 arranged opposite to each other, and a first side surface 11304and a second side surface 11305 respectively adjacent to the first surface 1131 and the second surface 1132. When the moving locking member 113 is in the moving locked position, the first pivot arm 112a is stopped by the first surface 1131, and the second pivot arm 112b is stopped by the second surface 1132, so that the first pivot arm 112a and the second pivot arm 112b are limited from rotating relative to the pivot base 111. When the moving locking member 113 is in the moving unlocked position, the first pivot arm 112a is staggered from the first surface 1131, and the second pivot arm 112b is staggered from the second surface 1132, to allow the first pivot arm 112a and the second pivot arm 112b to rotate relative to the pivot base 111. In this embodiment, when the moving locking member 113 is in the moving locked position, the first pivot arm 112a abuts against the first surface 1131, and the second pivot arm 112b abuts against the second surface 1132. When the moving locking member 113 is in the moving unlocked position, the first pivot arm 112a is separated from the first surface 1131, and the second pivot arm 112b is separated from the second surface 1132. The first pivot arm 112a abuts against the first surface 1131, and the second pivot arm 112b abuts against the second surface 1132, so that the bracket connecting structure 1 is more stable. In some embodiments, the moving locking member 113 is further provided with a guide surface 1135 adapted to guide at least one of the first pivot arm 112a and the second pivot arm 112b to pivot. In this embodiment, the guide surface 1135 is an arc-shaped surface arranged at a junction between the second side surface 11305 and the second surface 1132. The arrangement of the guide surface 1135 can guide the second pivot arm 112b to pivot along the guide surface 1135, to avoid the moving locking member 113 obstructing pivoting of the second pivot arm 112b.

[0128] As shown in FIGS. 1 to 2, the moving connecting assembly 11 further includes a connecting member 115. The connecting member 115 is connected to the two moving locking members 113 in a driven manner, so that the two moving locking members 113 synchronously switch between the moving locked position and the moving unlocked position. The connecting member 115 is movably arranged on the pivot base 111. The connecting member 115 is at least partially accommodated in an accommodating groove of the pivot base 111 and can move along a direction perpendicular to the pivot axis XI -XI. A moving direction MD2 of the connecting member 115 is at an angle to the moving direction MD1 of the moving locking member 113. The connecting member 115 is provided with an avoidance groove 1151. When the moving locking member 113 is in the moving unlocked position, the moving locking member 113 is at least partially accommodated in theavoidance groove 1151. The avoidance groove 1151 has a bottom wall 1156 and a pair of sidewalls 1157 connected to two opposite sides of the bottom wall 1156. The bottom wall 1156 faces the top wall 1114 of the pivot base 111. The connecting member 115 is further provided with a spacing portion 1152. The spacing portion 1152 divides the avoidance groove 1151 into a first avoidance groove 1151a and a second avoidance groove 1151b. The two moving locking members 113 are accommodated in the first avoidance groove 1151a and the second avoidance groove 1151b respectively. That is, the first moving locking member 113a is adapted to be at least partially accommodated in the first avoidance groove 1151a, and the second moving locking member 113b is adapted to be at least partially accommodated in the second avoidance groove 1151b. In this embodiment, when the moving locking member 113 is in the moving unlocked position, the first side surface 11304 of the moving locking member 113 can abut against the spacing portion 1152.

[0129] The connecting member 115 is further provided with an operable operating portion 1153. The bottom wall 1156 of the avoidance groove 1151 forms the operating portion 1153. When the moving locking assembly 11 is in a locked state, the operating portion 1153 at least partially extends out of the accommodating groove 1113 of the pivot base 111 to allow the operating portion 1153 to be operated, thereby driving the two moving locking members 113 to move. In some embodiments (see FIG. 10), the operating portion 1153 is further provided with a reinforcing rib 1154, thereby enhancing strength of the operating portion 1153.

[0130] In an embodiment, as shown in FIGS. 1 to 3, the pivot base 111 is provided with a guide hole 1116. For example, the two sidewalls 1115 of the pivot base 111 are each provided with the guide hole 1116. The guide hole 1116 is, for example, a strip hole. An extending direction of the guide hole 1116 is substantially parallel to the moving direction MD2 of the connecting member 115. Each moving locking member 113 is provided with a driving groove 116. The driving groove 116 is in a shape of a strip. An extending direction of the driving groove 116 is at an angle to both the moving direction MD1 of the moving locking member 113 and the moving direction MD2 of the connecting member 115. The connecting member 115 is connected with a driving member. The driving member is in sliding fit with the driving groove 116 to drive the moving locking member 113 to switch between the moving locked position and the moving unlocked position. Specifically, the connecting member 115 is provided with a connecting through hole 1155. The connecting through hole 1155 extends through the pair of sidewalls of the avoidance groove 1151. The connecting member 115 is connectedto the two moving locking members 113 in a driven manner through a driving pin 118 extending through the guide hole 1116, the connecting through hole 1155, and the driving groove 116, and is movably connected to the pivot base 111. The driving pin 118 may be, for example, a rivet, a screw, a bolt, or the like. In this embodiment, the driving pin 118 is formed as the driving member. In other embodiments, the driving member and the connecting member 115 may be integrally formed.

[0131] It may be understood that in some other illustrated embodiments, the driving groove 116 may be arranged on the connecting member 115. The driving member is connected to the moving locking member 113. The driving member and the moving locking member 113 may be separately formed or integrally formed. For example, the moving locking member 113 is provided with the connecting through hole 1155, and the pivot base 111 is provided with the guide hole 1116. The guide hole 1116 is a strip hole extending substantially parallel to the moving direction MD1 of the moving locking member 113. For example, the guide hole 1116 may be in communication with the sliding groove 1111 or be formed as the sliding groove 1111. The connecting member 115 is connected to the two moving locking members 113 in a driven manner through the driving pin 118 extending through the guide hole 1116, the driving groove 116, and the connecting through hole 1155. The driving pin 118 is formed as the driving member.

[0132] In some embodiments, as shown in FIGS. 1 to 2, the moving connecting assembly 11 further includes a moving reset member 114 arranged between the two moving locking members 113. The moving reset member 114 is adapted to bias the two moving locking members 113 and move the two moving locking members 113 towards the moving locked position. The moving reset member 114 is, for example, a compression spring. Referring to FIG. 3, the two moving locking members 113 are each provided with a receiving groove 1136 adapted to at least partially accommodate the moving reset member 114, which can allow two ends of the moving reset member 114 to be respectively accommodated in the receiving grooves 1136, thereby preventing deflection of the moving reset member 114 during biasing the moving locking members 113. In some other embodiments, one of the two moving locking members 113 is provided with the receiving groove 1136, and an end of the moving reset member 114 is accommodated in the receiving groove 1136.

[0133] According to the bracket connecting structure 1 in the first embodiment of the present application, the moving locking member 113 can be switched between the moving locked position and the moving unlocked position by translating the moving locking member 113, to limit or allowthe pivot arm 112 to pivot, thereby achieving the bracket connecting structure 1 that is simple in structure and easily switches between the states.

[0134] FIGS. 4 to 6 are schematic views of a child carrier switching from an unfolded state to a folded state according to the first embodiment of the present application. The child carrier adopts the bracket connecting assembly 10 in the first embodiment.

[0135] As shown in FIGS. 4 to 6, the child carrier is, for example, a crib, a child play yard, or the like. The child carrier may include a bed frame 1000 and an enclosure not shown. The enclosure may be made of fabric. The enclosure is connected to the bed frame 1000 to define an accommodating space for the child carrier, and a child may sleep or play in the accommodating space. The bed frame 1000 includes an armrest frame 100 and a plurality of support legs 200 configured to support the armrest frame 100. The armrest frame 100 includes a pair of first armrest frames 110 and a pair of second armrest frames 120 adjacent to the first armrest frames 110. Adjacent first armrest frames 110 and the second armrest frames 120 are respectively connected to one another through comer connecting members 130. An end of each support leg 200 is connected to the armrest frame 100 through the corner connecting member 130, and another end of each support leg 200 is provided with a roller to facilitate movement of the child carrier.

[0136] In an embodiment, as shown in FIGS. 4 to 6, each first armrest frame 110 includes two sets of turning arms 102a and 102b. Each set of turning arms 102a and 102b includes a first turning arm 102a and a second turning arm 102b. First ends of the two first turning arms 102a facing each other are pivotally connected to the connecting base 101, and second ends of the two first turning arms 102a facing away from each other are connected to the respective comer connecting members 130. First ends of the two second turning arms 102b of the first armrest frame 110 facing each other are pivotally connected to the connecting base 101, and second ends of the two second turning arms 102b of the first armrest frame 110 facing away from each other are connected to the respective corner connecting members 130. The second turning arm 102b is located above the first turning arm 102a.

[0137] The two first turning arms 102a of the first armrest frame 110 are each connected to the respective adjacent support leg 200 through a connecting rod 140, to allow the two support legs 200 adjacent to each first armrest frame 110 to approach each other when the bed frame 1000 is folded. Specifically, the support leg 200 is provided with a sliding member 400. The sliding member 400 is slidably sleeved on the support leg 200. A first end of the connecting rod 140 is rotatably connectedto the sliding member 400, and a second end of the connecting rod 140 is rotatably connected to the adjacent first turning arm 102a to allow the two support legs 200 adjacent to each first armrest frame 110 to approach each other in a first direction DI when the bed frame 1000 is folded. The first turning arm 102a of the first armrest frame 110 is provided with a concave surface 104. The concave surface 104 may prevent excessive protrusion of the connecting rod 140 from the first turning arm 102a after the armrest frame 100 is folded.

[0138] Correspondingly, each second armrest frame 120 includes two sets of turning arms 102a and 102b. Each set of turning arms 102a and 102b include a first turning arm 102a and a second turning arm 102b. First ends of the two first turning arms 102a of the second armrest frame 120 facing each other are pivotally connected to the connecting base 101, and first ends of the two second turning arms 102b of the second armrest frame 120 facing each other are pivotally connected to the connecting base 101. The two first turning arms 102a of the second armrest frame 120 are each connected to the respective adjacent support leg 200 through the connecting rod 140, to allow the two support legs 200 adjacent to each second armrest frame 120 to approach each other when the bed frame 1000 is folded. Specifically, the first end of the connecting rod 140 is rotatably connected to the sliding member 400, and the second end of the connecting rod 140 is rotatably connected to the first turning arm 102a. Two adjacent first turning arms 102a connected to the same corner connecting member 130 are respectively connected to the same sliding member 400 through different connecting rods 140, so that when the bed frame 1000 is folded, by folding the armrest frame 100 in one direction (the first direction DI or the second direction D2), the plurality of support legs 200 can be driven to approach each other in the first direction DI and the second direction D2 at the same time. The first turning arm 102a of the second armrest frame 120 is provided with a concave surface 104. The concave surface 104 may prevent excessive protrusion of the connecting rod from the first turning arm 102a after the armrest frame 100 is folded.

[0139] According to the child carrier in the embodiments of the present application, the child carrier can be switched between the folded state and the unfolded state by arranging the foldable first armrest frame 110 and the foldable second armrest frame 120. In an embodiment, the first armrest frame 110 and the second armrest frame 120 are further respectively connected to respective adjacent support legs 200 through the connecting rods 140, so that when the child carrier is unfolded or folded, the plurality of support legs 200 of the child carrier can be moved away from each other orapproaching each other, thereby rapidly unfolding or folding the child carrier, which is convenient for the user to operate.

[0140] As shown in FIG. 4, the bed frame 1000 is provided with a plurality of bracket connecting assemblies 10 as described above. The bracket connecting assembly 10 includes a plurality of moving connecting assemblies 11. The plurality of moving connecting assemblies 11 respectively serve as first armrest frames 110 and second armrest frames 120. Specifically, two sets of first turning arms 102a and two sets of second turning arms 102b of each first armrest frame 110 correspond to two sets of pivot arms 112 (i.e., the first pivot arm 112a and the second pivot arm 112b) of the moving connecting assembly 11, and the connecting base 101 of each first armrest frame 110 corresponds to the pivot base 111 of the moving connecting assembly 11. Similarly, two sets of first turning arms 102a and two sets of second turning arms 102b of each second armrest frame 120 correspond to two sets of pivot arms 112 (i.e., the first pivot arm 112a and the second pivot arm 112b) of the moving connecting assembly 11, and the connecting base 101 of each second armrest frame 120 corresponds to the pivot base 111 of the moving connecting assembly 11.

[0141] According to the first embodiment of the present application, a bracket connecting structure 1 is further provided. The bracket connecting structure 1 includes a plurality of bracket connecting assemblies 10, comer connecting members 130, support legs 200, and a plurality of connecting rods 140. The plurality of bracket connecting assemblies 10 are connected to the corner connecting member 130. The support leg 200 is connected to the comer connecting member 130. The at least one turning arm 102a / 102b of each bracket connecting assembly 10 is connected to a sliding structure through the connecting rod 104, so that when the at least one turning arm of one of the bracket connecting assemblies 10 rotates, the at least one turning arm of another of bracket connecting assembly 10 is driven through the connecting rod 140 and the sliding structure to rotate. In this embodiment, the plurality of bracket connecting assemblies 10 each include the first armrest frame 110 and the second armrest frame 120. The sliding structure includes the sliding member 400 slidably arranged on the support leg 200. The first armrest frame 110 and the second armrest frame 120 are connected to the same sliding member 400 through the connecting rods 140. In other illustrated embodiments, the sliding structure may include, for example, a sliding groove and a sliding pin shaft extending through the sliding groove; and the first armrest frame 110 and the second armrest frame 120 are respectively connected to the same sliding pin 400 through the connecting rods 140, andwhich is not limited hereto in the present application.

[0142] As shown in FIGS. 4 to 6, when it is required to fold the crib (the child carrier), referring to FIG. 4, the connecting member 115 of the moving connecting assembly 11 arranged at one pair of first armrest frames 110 (or one pair of the second armrest frames 120) is pressed in the direction MD2, and through driving connections between the connecting member 115 and the two moving locking members 113, the two moving locking members 113 can be driven to move from the moving locked position to the moving unlocked position, to enable the two first turning arms 102a and the two second turning arms 102b of the first armrest frames 110 to pivot. In this case, the moving connecting assembly 11 arranged at the second armrest frame 120 (or the first armrest frame 110) is still in the locked state, and the sliding member 400 cannot move downwards (i.e., in a direction away from the corner connecting member 130) or can only move by a very small distance. Therefore, the two first turning arms 102a and the two second turning arms 102b of the first armrest frame 110 (or the second armrest frame 120) can only be slightly folded so that the two moving locking members 113 of the moving connecting assembly 11 arranged on the first armrest frame 110 (or the second armrest frame 120) are limited to the moving unlocked position. Then, the connecting member 115 of the moving connecting assembly 11 arranged at the pair of second armrest frames 120 (or the first armrest frames 110) is pressed in the direction MD2, and through the driving connections between the connecting member 115 and the two moving locking members 113, the two moving locking members 113 can be driven to move from the moving locked position to the moving unlocked position, to enable the two first turning arms 102a and the two second turning arms 102b of the second armrest frames 120 to pivot. In this case, referring to FIG. 5, when the user further folds one of the first armrest frame 110 and the second armrest frame 120, one connecting rod 140 drives the sliding member 400 to move downwards, and the downward movement of the sliding member 400 can drive another connecting rod 140 to move downwards, thereby driving another of the first armrest frame 110 and the second armrest frame 120 to be folded, so that the plurality of support legs 200 approach each other in the direction DI and in the direction D2 at the same time, and the first armrest frame 110 and the second armrest frame 120 can be folded at the same time, thereby realizing rapid folding of the child carrier (see FIG. 6). It may be understood that the child carrier in this embodiment includes a pair of first armrest frames 110 and a pair of second armrest frames 120. When the moving connecting assemblies 11 of the pair of first armrest frames 110 and the pair of second armrest frames120 are both in the unlocked state, through a linkage relationship among the first turning arms 102a, the plurality of connecting rods 140, and the four sliding members 400, any first armrest frame 110 or any second armrest frame 120 is continuously folded, and then the pair of first armrest frames 110 and the pair of second armrest frames 120 can be folded simultaneously.

[0143] When it is required to unfold the crib, referring to FIG. 6, the two first turning arms 102a and the two second turning arms 102b of one of the first armrest frames 110 (or one of the second armrest frames 120) may be pivoted to rotate from the folded position to the unfolded position. The connecting rod 140 drives the sliding member 400 to move upwards (i.e., in a direction approaching the corner connecting member 130), and whereby, another connecting rod 140 connected to this sliding member 400 drives the two first turning arms 102a and the two second turning arms 102b of the corresponding second armrest frame 120 (or the corresponding first armrest frame 110) to unfold, such that the two first armrest frames 110 and the two second armrest frames 120 are synchronously unfolded, and thus the child carrier is unfolded(see FIG. 4).

[0144] It may be understood that when the crib is in the folded state (see FIG. 6), the two sets of turning arms 102a and 102b of the first armrest frame 110 may rotate to extend substantially vertically (that is, rotate to be substantially perpendicular to the moving direction MD1 of the two locking members 113), and are each located on the respective one of two opposite sides of the two moving locking members 113, which may push the two moving locking members 113 to approach each other and compress the moving reset member 114, to prevent the two moving locking members 113 from sliding towards two opposite sides to the moving locked position. When the crib is gradually unfolded to the unfolded state, the two sets of turning arms 102a and 102b of the first armrest frame may gradually rotate to extend substantially horizontally (that is, rotate to be substantially parallel to the moving direction MD1 of the two locking members 113), during which limiting forces of the two sets of turning arms 102a and 102b of the first armrest frame 110 on the two moving locking members 113 may be weakened, and the two moving locking members 113 automatically move from the moving unlocked position to the moving locked position under an elastic restoring force of the moving reset member 114, thereby locking the crib in the unfolded state. The second armrest frame 120 also has a similar process, which is not repeatedly described in detail herein. It may be understood that as the second turning arm 102b (or the second pivot arm 112b) gradually rotates to extend horizontally, the limiting force of the second turning arm 102b (or the second pivot arm 112b) on themoving locking member 113 are gradually weakened, and under the elastic restoring force of the moving reset member 114, the second turning arm 102b (or the second pivot arm 112b) may rotate and slide while abutting against the guide surface 1135. The guide surface 1135 is arc-shaped.

[0145] According to the child carrier in the first embodiment of the present application, through the arrangement of the bracket connecting structure, the child carrier can be quickly folded or unfolded, which is simple in structure and easy to operate.

[0146] FIGS. 7 to 9 are schematic views of a bracket connecting structure 1 according to a second embodiment of the present application. The bracket connecting structure 1 is provided with two bracket connecting assemblies 10. The two bracket connecting assemblies 10 are both formed as moving connecting assemblies 11, which are a first moving assembly I la and a second moving assembly 11b respectively. The two moving connecting assemblies 11 are connected to each other in a driven manner through a linking member 20, so that when one of the moving connecting assemblies 11 is operated, another of the moving connecting assemblies 11 can be driven synchronously to switch between the locked state and the unlocked state, so that the two moving connecting assemblies 11 linked to each other can switch between states synchronously.

[0147] As shown in FIGS. 7 to 9, each moving connecting assembly 11 includes the pivot base 111, at least one set of pivot arms 112, at least one moving locking member 113, and the moving reset member 114 adapted to bias the moving locking member 113 to move towards the moving locked position. In this embodiment, each moving connecting assembly 11 is provided with two sets of pivot arms 112 and two moving locking members 113. The two moving locking members 113 act on different sets of pivot arms 112 respectively to limit or allow rotation of the respective pivot arms 112 relative to the pivot base 111. The moving reset member 114 is connected to the two moving locking members 113, to bias the two moving locking members 113 to move towards the moving locked position respectively. Referring to FIGS. 7 to 9, each moving connecting assembly 11 is further provided with a connecting member 115. The connecting member 115 is connected to the two moving locking members 113 in a driven manner.

[0148] In an embodiment, each set of pivot arms 112 includes the first pivot arm 112a and the second pivot arm 112b that are pivotally connected to the same side of the pivot base 111. The first pivot arm 112a and the second pivot arm 112b are spaced apart from each other. In this embodiment, the first pivot arm 112a is located below the second pivot arm 112b. When the moving lockingmember 113 is in the moving locked position, the moving locking member 113 abuts against the first pivot arm 112a and the second pivot arm 112b, to limit the first pivot arm 112a and the second pivot arm 112b from pivoting; and when the moving locking member 113 is in the moving unlocked position, the first pivot arm 112a and the second pivot arm 112b is rotatable relative to the pivot base 111.

[0149] In this embodiment, the bracket connecting structure 1 has at least the following configurations different from the bracket connecting structure 1 in the first embodiment.

[0150] FIGS. 10 to 11 are schematic views of a connecting member 115a of the first moving assembly Ila and a connecting member 115b of the second moving assembly 11b respectively. The connecting member 115a of the first moving assembly Ila is provided with an operable operating portion 1153. The connecting member 115b of the second moving assembly 11b is not provided with the operating portion 1153, so that the user can only operate the connecting member 115a of the first moving assembly Ila to drive the two moving connecting assemblies 11 to synchronously switch from the locked state to the unlocked state. In some embodiments, referring to FIG. 10, the operating portion 1153 of the connecting member 115a is further provided with a reinforcing rib 1154, which can enhance the strength of the operating portion 1153. The reinforcing rib 1154 is connected to the bottom wall 1156 of the avoidance groove 1151 and is substantially parallel to a pair of sidewalls of the avoidance groove 1151.

[0151] Referring to FIGS. 7 to 9, the connecting member 115 is provided with a driving groove 116. The driving groove 116 is in a shape of a strip. An extending direction of the driving groove 116 is at an angle to both the moving direction MD1 of the moving locking member 113 and the moving direction MD2 of the connecting member 115. Two driving grooves 116 are provided. The two driving grooves 116 are arranged on the sidewall 1157 of the first avoidance groove 1151a and the side wall of the second avoidance groove 1151b respectively, and arranged symmetrically. The connecting member 115 is connected with a driving member. The driving member is in sliding fit with the driving groove 116 to drive the moving locking member 113 to switch between the moving locked position and the moving unlocked position. Specifically, each moving locking member 113 is provided with a driving convex portion 117. The driving convex portion 117 and the moving locking member 113 are integrally formed. In this embodiment, the driving convex portion 117 is formed as the driving member. Each driving convex portion 117 is in insertion fit with the corresponding driving groove116 to realize a driving connection between the moving locking member 113 and the connecting member 115. It may be understood that alternatively, the moving locking member 113 is provided with the driving groove 116, the connecting member 115 is provided with the driving convex portion 117, and the driving convex portion 117 is in insertion fit with the driving groove 116 to realize the driving connection between the moving locking member 113 and the connecting member 115.

[0152] In some other embodiments, each moving locking member 113 may be provided with the driving groove 116, the connecting member 115 is correspondingly provided with two connecting through holes 1155. The connecting through holes 1155 extend through the pair of sidewalls of the avoidance groove 1151. The pivot base 111 is provided with a guide hole 1116. The guide hole 1116 is, for example, a strip hole. An extending direction of the guide hole 1116 is substantially parallel to the moving direction MD2 of the connecting member 115. The connecting member 115 is connected to the two moving locking members 113 in a driven manner through the driving pin 118 extending through the guide hole 1116, the connecting through hole 1155, and the driving groove 116, and is movably connected to the pivot base 111. The driving pin 118 may be, for example, a rivet, a screw, a bolt, or the like. In some other illustrated embodiments, the connecting member 115 may be provided with the driving groove 116, the moving locking member 113 may be provided with the connecting through hole 1155, and the pivot base 111 is provided with the guide hole 1116. The guide hole 1116 is a strip hole extending substantially parallel to the moving direction of the moving locking member 113. For example, the guide hole 1116 may be in communication with the sliding groove 1111 or be the sliding groove 1111. The connecting member 115 is connected to the two moving locking members 113 in a driven manner through the driving pin 118 extending through the guide hole 1116, the driving groove 116, and the connecting through hole 1155.

[0153] FIGS. 12 to 13 are schematic views of a moving locking member 113 according to the second embodiment of the present application. The moving locking member 113 generally has an L- shaped block structure. The moving locking member 113 includes a first part 11301 and a second part 11302 arranged on the first part 11301. The first part 11301 forms a first surface 1131 adapted to abut against the first pivot arm 112a, and the second part 11302 forms a second surface 1132 adapted to abut against the second pivot arm 112b. The first surface 1131 is substantially parallel to the second surface 1132.When the moving locking member 113 is in the moving locked position, the first pivot arm 112a is stopped by the first surface 1131, and the second pivot arm 112b is stopped by the secondsurface 1132, so that the first pivot arm 112a and the second pivot arm 112b are limited from rotating relative to the pivot base 111. When the moving locking member 113 is in the moving unlocked position, the first pivot arm 112a is staggered from the first surface 1131, and the second pivot arm 112b is staggered from the second surface 1132, to allow the first pivot arm 112a and the second pivot arm 112b to rotate relative to the pivot base 111. In this embodiment, when the moving locking member 113 is in the moving locked position, the first pivot arm 112a abuts against the first surface 1131, and the second pivot arm 112b abuts against the second surface 1132. When the moving locking member 113 is in the moving unlocked position, the first pivot arm 112a is separated from the first surface 1131, and the second pivot arm 112b is separated from the second surface 1132. The first pivot arm 112a abuts against the first surface 1131, and the second pivot arm 112b abuts against the second surface 1132, so that the bracket connecting structure 1 is more stable. An avoiding concave portion 11303 is formed between the first part 11301 and the second part 11302 so that when the moving locking member 113 is in the moving unlocked position, the second surface 1132 is staggered from the second pivot arm 112b, and the second pivot arm 112b is rotatable relative to the pivot base 111. Compared with the first embodiment, in this embodiment, the moving locking member 113 may not be provided with the guide surface 1135, and an arc-shaped chamfer may be arranged at an edge of the second surface 1132 adjacent to the second pivot arm 112b.

[0154] As shown in FIGS. 7 to 9, two ends of the linking member 20 are respectively connected to the moving locking members 113 of the two moving connecting assemblies 11, so that the moving locking members 113 of the two moving connecting assemblies 11 can synchronously switch between the moving locked position and the moving unlocked position. An end of the linking member 20 is connected to the second moving locking member 113b of the first moving assembly Ila, and another end of the linking member 20 is connected to the second moving locking member 113b of the second moving assembly 11b.

[0155] FIG. 14 is a schematic view of a linking member 20 according to the second embodiment of the present application. The linking member 20 includes: a pulling rope 21; a first latch end 22a and a second latch end 22b respectively arranged at two ends of the pulling rope 21; and a sheath 23 sleeved outside the pulling rope 21. The first latch end 22a and the second latch end 22b have the same structure. The sheath 23 is arranged outside the pulling rope 21. At least part of the pulling rope 21, the first latch end 22a, and the second latch end 22b all extend out of the sheath 23. An end of thesheath 23 is provided with a first connecting end 24a adapted to allow passage of the pulling rope 21, and another end of the sheath 23 is provided with a second connecting end 24b adapted to allow passage of the pulling rope 21. Referring to FIGS. 7 to 9, the first connecting end 24a is limited by the pivot base 111 of the first moving assembly Ila, and the second connecting end 24b is limited by the pivot base 111 of the second moving assembly 24a.

[0156] Referring to FIGS. 7 to 9, FIGS. 12 and 13, the moving locking member 113 is provided with an engaging hole 1137 adapted to allow passage of the pulling rope 21. The first latch end 22a, and the second latch end 22b are engaged with the respective engaging holes 1137. Specifically, the first moving locking member 113a and the second moving locking member 113b of each moving connecting assembly 11 are each provided with the engaging hole 1137. The first latch end 22a is engaged with the engaging hole 1137 of the second moving locking member 113b of the first moving assembly Ila, and the second latch end 22b is engaged with the engaging hole 1137 of the second moving locking member 113b of the second moving assembly 11b. The pulling rope 21 sequentially extends through the engaging hole 1137 of the second moving locking member 113b of the first moving assembly I la, the engaging hole 1137 of the first moving locking member 113a of the second moving assembly 11b, the moving reset member 114, and the engaging hole 1137 of the second moving locking member 113b of the second moving assembly 11b. The pulling rope 21 may be, for example, a steel rope, a carbon fiber rope, or the like. It may be understood that in some other unillustrated embodiments, the first moving locking member 113a of the first moving assembly Ila may not be provided with the engaging hole 1137, and the first moving locking member 113a of the second moving assembly 11b may not be provided with the engaging hole 1137 either, which is not limited hereto in the present application.

[0157] As shown in FIGS. 12 to 13, the engaging hole 1137 is provided in the second part 11302 of the moving locking member 113. An end of the engaging hole 1137 is in communication with the receiving groove 1136 of the moving locking member 113. In some embodiments, the engaging hole 1137 is provided with an abutting portion 1138. Referring to FIG. 7, the first latch end 22a and the second latch end 22b are adapted to abut against the abutting portions 1138 in the corresponding engaging holes 1137 respectively, so that the first latch end 22a and the second latch end 22b can be engaged with the respective engaging holes 1137. In this embodiment, the abutting portion 1138 is located at another end of the engaging hole 1137 away from the receiving groove 1136. In thisembodiment, the abutting portion 1138 is arranged at an edge of the corresponding second moving locking member 113b away from the receiving groove 1136. The first latch end 22a is at least partially accommodated in the engaging hole 1137 of the second moving locking member 113b of the first moving assembly I la and abuts against the abutting portion 1138 of the second moving locking member 113b of the first moving assembly Ila. The second latch end 22b is located outside the engaging hole 1137 of the second moving locking member 113b of the second moving assembly 11b and abuts against the abutting portion 1138 of the second moving locking member 113b of the second moving assembly 11b. In other embodiments, a position of the abutting portion 1138 on the second moving locking member 113b may be changed, thereby adjusting relative positions between the first latch end 22a, the second latch end 22b, and the respective second moving locking members 113b, the abutting portion 1138 is not necessarily limited to be disposed the edge of the second moving locking member 113b away from the receiving groove 1136.

[0158] As shown in FIGS. 12 and 13, in some embodiments, the moving locking member 113 is further provided with a mounting through hole 1139 through which the first latch end 22a or the second latch end 22b can extend. For example, the second moving locking member 113b of the second moving assembly 11b is further provided with the mounting through hole 1139 through which the second latch end 22b extends, and the second moving locking member 113b of the first moving assembly Ila is further provided with the mounting through hole 1139 through which the first latch end 22a extends, as shown in FIG. 7. The mounting through hole 1139 is provided in the second part 11302. An end of the mounting through hole 1139 is in communication with the receiving groove 1136. The mounting through hole 1139 is in communication with the engaging hole 1137 to allow the pulling rope 21 to move between the mounting through hole 1139 and the engaging hole 1137. When it is required to mount the linking member 20, the first latch end 22a and the second latch end 22b may extend through the respective mounting through holes 1139, then the pulling rope 21 is moved into the engaging hole 1137, and the first latch end 22a and the second latch end 22b are engaged with the respective abutting portions 1138. When it is required to remove the linking member 20, the first latch end 22a, the second latch end 22b, and the pulling rope 21 may be first moved from the engaging holes 1137 to the mounting through holes 1139, and then the first latch end 22a and the second latch end 22b extend through and extend out of the corresponding mounting through holes 1139. Through the arrangement of the mounting through hole 1139 in communication with theengaging hole 1137, the linking member 20 can be easily mounted and removed.

[0159] In an embodiment, as shown in FIGS. 7 to 9, the pivot base 111 of the moving connecting assembly 11 is provided with a fixed frame 119. The pulling rope 21 of the linking member 20 can extend through the fixed frame 119. The fixed frame 119 is located in the accommodating groove 1113 of the pivot base 111. The fixed frame 119 is formed by tearing part of the sidewall 1115 of the pivot base 111 and bending this part inwards (that is, towards the accommodating groove 1113). The fixed frame 119 and the pivot base 111 are integrally formed, thereby improving strength of connection between the fixed frame 119 and the pivot base 111 and reducing a manufacturing cost. It may be understood that in other embodiments, the fixed frame 119 may be a component fixed to the sidewall 1115 of the pivot base 111 by, for example, welding, riveting, bonding, or the like, which is not limited in the present application.

[0160] Still referring to FIGS. 7 to 9, the pivot base Ill is provided with the fixed frame 119. The fixed frame 119 is formed by tearing part of one of the sidewalls 1115 of the pivot base 111 and bending this part inwards. In the first moving assembly Ila, the fixed frame 119 is arranged adjacent to the second moving locking member 113b and is located at the avoiding concave portion 11303 of the second moving locking member 113b. In the second moving assembly 11b, the fixed frame 119 is arranged adjacent to the first moving locking member 113a and is located at the avoiding concave portion 11303 of the first moving locking member 113a. The first connecting end 24a is limited by the fixed frame 119 of the first connecting assembly, and the second connecting end 24b is limited by the fixed frame 119 of the second connecting assembly. Specifically, the first connecting end 24a abuts against the fixed frame 119 of the first connecting assembly, and the second connecting end 24b abuts against the fixed frame 119 of the second connecting assembly. The first latch end 22a and the first connecting end 24a are each located on the respective one of two opposite sides of the fixed frame 119. The second latch end 22b and the second connecting end 24b are each located on the respective one of the two opposite sides of the fixed frame 119. In other embodiments, the fixed frame 119 may be formed by respectively tearing parts of two sidewalls 1115 of the pivot base 111 and bending such parts inwards. The pivot base 111 may be provided with a plurality of fixed frames 119, for example, two fixed frames 119. The two fixed frames 119 are a first fixed frame 119a arranged adjacent to the first moving locking member 113a and a second fixed frame 119a arranged adjacent to the second moving locking member 113b. The first connecting end 24a of the linking member 20abuts against the second fixed frame 119b of the first moving assembly Ila, and the second connecting end 24b of the linking member 20 abuts against the first fixed frame 119a of the second moving assembly 11b. It may be understood that in some other unillustrated embodiments, the pivot base 111 of one of the first moving assembly Ila and the second moving assembly 11b may be provided with one fixed frame 119, and another of the first moving assembly Ila and the second moving assembly 11b is provided with two fixed frames 119, which is not limited in the present application.

[0161] According to the bracket connecting structure 1 in the second embodiment of the present application, the operating portion 1153 of the first moving assembly Ila is operated to move the first moving locking member 113a and the second moving locking member 113b of the first moving assembly Ila from the locked position to the unlocked position, and the second moving locking member 113b of the second moving assembly 11b is driven by the linking member 20 to synchronously move from the locked position to the unlocked position. The movement of the second moving locking member 113b of the second moving assembly 1 lb may drive the connecting member 115b of the second moving assembly 11b to move, thereby driving the first moving locking member 113a of the second moving assembly 11b to move from the locked position to the unlocked position, so that the pivot arms 112 of the two moving connecting assemblies 11 can pivot relative to the pivot base 111. The bracket connecting structure 1 in this embodiment is simple in structure and easy to operate.

[0162] FIG. 15 is a schematic view of a child carrier according to the second embodiment of the present application. The child carrier may include a bed frame 1000 and an enclosure not shown. The enclosure may be made of fabric. The enclosure is connected to the bed frame 1000 to define an accommodating space for the child carrier, and a child may sleep or play in the accommodating space. The bed frame 1000 includes a plurality of armrest frames 100 and a plurality of support legs 200 configured to support the armrest frames 100. The armrest frames 100 include a pair of first armrest frames 110 and a pair of second armrest frames 120 adjacent to the first armrest frames 110. The child carrier in this embodiment has at least the following configurations different from the child carrier in the first embodiment.

[0163] As shown in FIG. 15, the bed frame 1000 is provided with the bracket connecting assembly 10 of the bracket connecting structure 1 of the second embodiment. The bracket connectingassembly 10 includes a first moving assembly Ila and a second moving assembly 11b. The first moving assembly I la serves as the first armrest frame 110, and the second moving assembly 11b serves as the second armrest frame 120. Specifically, two sets of first turning arms 102a and two sets of second turning arms 102b of each first armrest frame 110 correspond to two sets of pivot arms 112 (i.e., the first pivot arms 112a and the second pivot arms 112b) of the first moving assembly Ila respectively. The connecting base 101 of each first armrest frame 110 corresponds to the pivot base 111 of the first moving assembly I la. Two sets of first turning arms 102a and two sets of second turning arms 102b of each second armrest frame 120 correspond to two sets of pivot arms 112 (i.e., the first pivot arms 112a and the second pivot arms 112b) of the second moving assembly 11b respectively. The connecting base 101 of each second armrest frame 120 corresponds to the pivot base 111 of the second moving assembly 11b.

[0164] In this embodiment, the bracket connecting structure 1 further includes the corner connecting members 130, the support legs 200, and the connecting rods 140. The first armrest frame 110 and the second armrest frame 120 are connected to the corner connecting member 130. The support leg 200 is connected to the corner connecting member 130. The support leg 200 is provided with the slidable sliding member 400. The first armrest frame 110 and the second armrest frame 120 are connected to the same sliding member 400 through the respective connecting rods 140. The first armrest frame 110 and the second armrest frame 120 are connected in a driven manner through the linking member 20.

[0165] When it is required to fold the child carrier, referring to FIG. 7, the connecting member 115a of the first moving assembly 1 la is pressed in the direction MD2 to drive the two moving locking members 113 of the first moving assembly Ila to move from the moving locked position shown in FIG. 7 to the moving unlocked position shown in FIG. 8. At the same time, the second moving locking member 113b of the first moving assembly I la drives the second moving locking member 113b of the second moving assembly 11b to move to the moving unlocked position through the linking member 20, and the connecting member 115b is connected to the two moving locking members 113 in a driven manner to drive the first moving locking member 113a of the second moving assembly 1 lb to move to the moving unlocked position. That is, the connecting member 115a of the first moving assembly Ila is operated to synchronously switch the two moving connecting assemblies 11 to the unlocked state. Therefore, when it is required to fold the child carrier, the two first armrest frames110 and the two second armrest frames 120 can be unlocked by only operating the two operating portions on the two first armrest frames 110, and the connecting members 115a on the two first armrest frames 110 is continuously pressed to maintain the two moving connecting assemblies 11 in the unlocked state. In this case, a downward force in the direction MD2 is applied to the pivot base111 of any first armrest frame 110, and driven by the sliding member 400, the two first armrest frames 110 and the two second armrest frames 120 can be synchronously folded, thereby realizing folding of the child carrier. There is no need to operate the four pivot bases 111 one by one.

[0166] The unfolding process of the child carrier in this embodiment is basically the same as that in the first embodiment, in which the moving locking members 113 gradually move to the moving locked position when two sets of turning arms 102a and 102b of each of the two first armrest frames 110 and two sets of turning arms of 102a and 102b each of the two second armrest frames 120 gradually rotate to a horizontal state. Details thereof are not repeatedly described herein.

[0167] According to a third embodiment of the present application, a bracket connecting structure 1 and a child carrier including the bracket connecting structure 1 are provided.

[0168] FIGS. 16 to 20 are schematic views of the bracket connecting assembly 10 of the bracket connecting structure 1 according to the third embodiment of the present application. The bracket connecting assembly 10 includes a rotating connecting assembly 12. The rotating connecting assembly 12 includes a rotating base 121, a first rotating arm 122a, a second rotating arm 122b, and a rotating locking member 123. The rotating locking member 123 serves as a locking member of the bracket connecting assembly 10. The first rotating arm 122a is pivotably connected to the rotating base 121. The second rotating arm 122b is pivotably connected to the rotating base 121. The first rotating arm 122a and the second rotating arm 122b each have an unfolded position (see FIG. 18) and a folded position (see FIG. 19). When the rotating locking member 123 is in a rotating unlocked position, the rotating connecting assembly 12 is in an unlocked state, the first rotating arm 122a is rotatable relative to the rotating base 121, and the second rotating arm 122b is rotatable relative to the rotating base 121. When the rotating locking member 123 is in a rotating locked position, the rotating connecting assembly 12 is in a locked state, and the first rotating arm 122a is limited from rotating relative to the rotating base 121. In some unillustrated embodiments, the rotating connecting assembly 12 may not be provided with the second rotating arm 122b, which is not limited in the present application.

[0169] As shown in FIGS. 16 to 17, the rotating base 121 includes an accommodating groove 1212 adapted to accommodate the rotating locking member 123. The accommodating groove 1212 is defined by a top wall 1214 and a pair of sidewalls 1213 respectively connected to two opposite sides of the top wall 1214. An end of the rotating arm 122 is accommodated in the accommodating groove 1212, and is pivotally connected to the pair of sidewalls 1213 of the rotating base 121 through a pin shaft (not shown) which may be, for example, a rivet, a screw, a bolt, or the like. The second rotating arm 122b is closer to the top wall 1214 of the pivot base 111 than the first rotating arm 122a. That is, the second rotating arm 122b is located above the first rotating arm 122a.

[0170] In an embodiment, referring to FIG. 20, the first rotating arm 122a and the second rotating arm 122b are each pivotally connected to the sidewall 1213 of the rotating base 121 through the pin shaft (which may be, for example, a rivet, a screw, a bolt, or the like). A rotation axis about which the first rotating arm 122a rotates relative to the rotating base 121 is Yl-Yl, a rotation axis about which the second rotating arm 122b rotates relative to the rotating base 121 is Y2-Y2. The rotation axes Yl- Yl and Y2-Y2 are substantially parallel to each other, and the rotation axis Y2-Y2 is located above the rotation axis Yl-Yl. The rotating locking member 123 is rotatably arranged on the rotating base 121 and is switchable between the rotating unlocked position and the rotating locked position.

[0171] As shown in FIGS. 17 and 20, the rotating locking member 123 is provided with a pivoting hole 1234. A pivoting shaft (not shown) extends through the pivoting hole 1234 and is connected to the pair of sidewalls 1213 of the rotating base 121. The pivoting shaft may be a protrusion arranged on the sidewall of the rotating base 121, or may be a pin connected to the sidewall of the rotating base 121, or the like. A pivot axis about which the rotating locking member 123 pivots relative to the rotating base 121 is R-R. The pivot axis R-R is substantially parallel to the rotation axis Yl-Yl or the rotation axis Y2-Y2. The rotating locking member 123 is provided with a hook portion 1238. The hook portion 1238 forms an engaging recess 1231. The first rotating arm 122a is provided with an engaging protrusion 1221. When the rotating locking member 123 is in the rotating locked position, the engaging protrusion 1221 is engaged with the engaging recess 1231. When the rotating locking member 123 is in the rotating unlocked position, the engaging protrusion 1221 is disengaged from the engaging recess 1231. In some embodiments, the rotating locking member 123 is provided with the engaging recess 1231 at a side facing the first rotating arm 122a. The engaging protrusion 1221 is formed on the end of the first rotating arm 122a. The first rotating arm 122a is further providedwith an engaging surface 1222. When the rotating locking member 123 is in the rotating locked position, the end of the first rotating arm 122a is accommodated in the engaging recess 1231, and the engaging surface 1222 can abut against a sidewall of the engaging recess 1231. Through the arrangement of the engaging surface 1222, an area of contact between the first rotating arm 122a and the engaging recess 1231 is increased, so that the first rotating arm 122a and the rotating locking member 123 can be more firmly engaged with each other. As shown in FIGS. 17 to 19, the engaging surface 1222 includes a concave surface formed by recessing a side surface of the end of the first rotating arm 122a. In some embodiments, the hook portion 1238 of the rotating locking member 123 is further provided with a wedge-shaped surface 1239. When the rotating connecting assembly 12 switches from the unlocked state shown in FIG. 19 to the locked state shown in FIG. 17, the end of the first rotating arm 122a pushes against the wedge-shaped surface 1239 to rotate the rotating locking member 123, to allow the end of the first rotating arm 122a to be engaged into the engaging recess 1231. According to the bracket connecting assembly 10 in the third embodiment of the present application, the rotating locking member 123 is pivotably arranged on the rotating base 121 to switch the rotating locking member 123 between the rotating locked position and the rotating unlocked position, which can limit or allow rotation of the first rotating arm 122a relative to the rotating base 121.

[0172] In some embodiments, as shown in FIG. 17, the rotating connecting assembly 12 is provided with two first rotating arms 122a, two second rotating arms 122b, and two rotating locking members 123. The two first rotating arms 122a are pivotally connected to the rotating base 121 at respective portions near their ends facing each other. The two rotating locking members 123 are adapted to be engaged with the respective first rotating arms 122a, to limit or allow rotation of the first rotating arms 122a. The two rotating locking members 123 are connected to each other in a driven manner. Specifically, the two rotating locking members 123 are each provided with a plurality of meshing teeth 1232 that can be meshed with each other. The meshing teeth 1232 are meshed with each other, so that when one of the rotating locking members 123 rotates, another of the rotating locking members 123 can be driven to synchronously rotate, and the two rotating locking members 123 can synchronously switch between the rotating locked position and the rotating unlocked position.

[0173] As shown in FIGS. 17 to 19, the rotating connecting assembly 12 further includes a rotating reset member 124. The rotating reset member 124 biases one of the rotating locking members123 to rotate towards the rotating locked position, and drives, through the meshing teeth 1232, another of the rotating locking members 123 to also rotate towards the rotating locked position. The rotating reset member 124 is, for example, a torsion spring. The rotating reset member 124 is sleeved on the pivoting shaft of one of the rotating locking members 123. Moreover, an end of the rotating reset member 124 abuts against the rotating locking member 123, and another end of the rotating reset member 124 abuts against the pin shaft (not shown) of the first rotating arm 122a. It is to be noted that in this embodiment, only one of the rotating locking members 123 is provided with the rotating reset member 124, and in other embodiments, two rotating locking members 123 may be each provided with the rotating reset member 124, which is not limited in the present application.

[0174] Refer to FIG.S 16, 20, and 21, an operating member 125 according to the third embodiment of the present application is schematically shown. The rotating connecting assembly 12 is provided with the operating member 125. The operating member 125 is rotatably arranged on the rotating base 121 and is connected to the rotating locking member 123 in a driven manner to drive the rotating locking member 123 to switch between the rotating locked position and the rotating unlocked position. In this embodiment, one operating member 125 is provided. The operating member 125 is connected to one of the rotating locking members 123 in a driven manner, to allow this rotating locking member 123 to be driven to rotate and another of the rotating locking members 123 to be driven to synchronously rotate through the meshing between the meshing teeth 1232 of the two rotating locking members 123 when the operating member 125 is operated to rotate, thereby realizing synchronous switching of the two rotating locking members 123 between the rotating locked position and the rotating unlocked position.

[0175] In an embodiment, as shown in FIGS. 20 and 21, one of the rotating locking members 123 is provided with a pivoting protrusion 1235. The pivoting protrusion 1235 is provided with a concave portion 1236. The operating member 125 is provided with a connecting post 1251. The connecting post 1251 is formed with a pivoting recess 1252 adapted to accommodate the pivoting protrusion 1235. The pivoting recess 1252 is provided with a convex portion 1253 adapted to be engaged with the concave portion 1236. The convex portion 1253 extends inwardly from a sidewall of the pivoting recess 1252. A plurality of convex portions 1253 are provided. The plurality of convex portions 1253 are evenly distributed on the sidewall of the pivoting recess 1252. A plurality of concave portions 1236 are provided. A number of the concave portions 1236 is greater than or equal to that of theconvex portions 1253. The sidewall of the rotating base 121 is provided with a through hole 1215. The pivoting protrusion 1235 can extend through the through hole 1215 and be connected to the operating member 125. In other embodiments, the connecting post 1251 may extend through the through hole 1215 and be connected to the rotating locking member 123. As shown in FIGS. 20 and 21, the pivoting protrusion 1235 is at least partially accommodated in the pivoting recess 1252. The convex portion 1253 is engaged with the concave portion 1236 to allow the operating member 125 to drive the rotating locking member 123 to rotate when the operating member 125 rotates. In order to prevent the operating member 125 from being separated from the rotating locking member 123, the rotating locking member 123 and the operating member 125 are further connected to each other through a fastener (not shown). The fastener may extend through central holes of both the pivoting protrusion 1235 and the pivoting recess 1252. The fastener may be a screw, a rivet, or the like.

[0176] According to the bracket connecting structure 1 in this embodiment, the operating member 125 is operated to drive one of the rotating locking members 123 to rotate, and drive another of the rotating locking members 123 to rotate through meshing between the meshing teeth 1232, thereby realizing synchronous switching of the two rotating locking members 123 between the rotating unlocked position and the rotating locked position. Therefore, the bracket connecting structure 1 that is simple in structure and easy to operate is provided.

[0177] FIG. 22 is a schematic view of a child carrier according to the third embodiment of the present application. The child carrier includes a bed frame 1000 and an enclosure (not shown). The enclosure may be made of fabric. The enclosure is connected to the bed frame 1000 to define an accommodating space for the child carrier, and a child may sleep or play in the accommodating space. The bed frame 1000 includes the armrest frame 100 and the plurality of support legs 200 configured to support the armrest frame 100. The armrest frame 100 includes a pair of first armrest frames 110 and a pair of second armrest frames 120 adjacent to the first armrest frames 110. The child carrier in this embodiment has at least the following configurations different from the child carriers in the first embodiment and the second embodiment.

[0178] As shown in FIG. 22, the bed frame 1000 is provided with the bracket connecting assembly 10. The bracket connecting assembly 10 includes a plurality of rotating connecting assemblies 12. The plurality of rotating connecting assemblies 12 respectively serve as first armrest frames 110 and second armrest frames 120. Specifically, the two first turning arms 102a and the twosecond turning arms 102b of each first armrest frame 110 correspond to the two first rotating arms 122a and the two second rotating arms 122b of the rotating connecting assembly 12 respectively. The connecting base 101 of each first armrest frame 110 corresponds to the rotating base 121 of the rotating connecting assembly 12. Since the first rotating arm 122a and the second rotating arm 122b on the same side of the rotating base 121 are both connected to the same corner connecting member 130 of the armrest frame 100, when the rotating connecting assembly 12 is in the locked state, the first rotating arm 122a is limited from rotating relative to the rotating base 121, and thus the second rotating arm 122b is limited from rotating relative to the rotating base 121. Two sets of first turning arms 102a and second turning arms 102b of each second armrest frame 120 correspond to two sets of rotating arms 122 (i.e., the first rotating arms 122a and the second rotating arms 122b) of the rotating connecting assembly 12. The connecting base 101 of each second armrest frame 120 serves as the rotating base 121 of the rotating connecting assembly 12. According to the third embodiment of the present application, a bracket connecting structure 1 is further provided. The bracket connecting structure 1 includes a plurality of bracket connecting assemblies 10, corner connecting members 130, support legs 200, and a plurality of connecting rods 140. The plurality of bracket connecting assemblies 10 are connected to the corner connecting member 130. The support leg 200 is connected to the corner connecting member 130. The at least one turning arm 102a / 102b of each bracket connecting assembly 10 is connected to a sliding structure through the connecting rod 104, so that when the at least one turning arm of one of the bracket connecting assemblies 10 rotates, the at least one turning arm of another bracket connecting assembly 10 is driven by the connecting rod 140 and a sliding structure to rotate. In this embodiment, the plurality of bracket connecting assemblies 10 are respectively adjacent first armrest frames 110 and second armrest frames 120. The sliding structure includes the sliding member 400 slidably arranged on the support leg 200. The first armrest frame 110 and the second armrest frame 120 are connected to the same sliding member 400 through the respective connecting rods 140. In other unillustrated embodiments, the sliding structure may include, for example, a sliding groove and a sliding pin extending through the sliding groove. The first armrest frame 110 and the second armrest frame 120 are connected to the same sliding pin 400 through the respective connecting rods 140, which is not limited in the present application.

[0179] When it is required to fold the child carrier, the rotating operating member 125 is required to be rotated. Since the two rotating locking members 123 are not locked or unlocked along the samerotating direction, the user’s operation on the operating member 125 is determined by the rotating locking member 123 connected to the operating member 125. In this embodiment, referring to FIGS. 16 and 20, an example in which the operating member 125 is connected to the rotating locking member 123 on the left side of FIG. 16 is given, a force in a counterclockwise direction is applied to the operating member 125 of the rotating connecting assembly 12 located on the pair of first armrest frames 110 (or second armrest frames 120) to cause this operating member 125 to rotate in the counterclockwise direction, and drive one of the rotating locking members 123 to rotate in the counterclockwise direction, and further, another of the rotating locking members 123 is driven to rotate in the clockwise direction through meshing of the meshing teeth 1232 of the two rotating locking members 123, so that the engaging recesses 1231 of the two rotating locking members 123 each rotate in a directions away from the respective first rotating arm 122a. The operating member 125 is continuously rotated to cause the engaging recesses 1231 of the two rotating locking members 123 to be completely separated from the respective ends of the first rotating arms 122a, that is, the two rotating locking members 123 are both in the rotating unlocked position. In this case, the rotating connecting assembly 12 arranged on the second armrest frame 120 (or the first armrest frame 110) is still in the locked state, and the sliding member 400 cannot move downwards (i.e., in a direction away from the corner connecting member 130) or can only move by a very small distance. Therefore, the two first turning arms 102a and the two second turning arms 102b of the first armrest frame 110 (or the second armrest frame 120) can only be slightly folded, so that the ends of the first rotating arms 122a arranged on the first armrest frame 110 (or the second armrest frame 120) can respectively limit the two rotating locking members 123 to the rotating unlocked position. Then, similarly, the operating member 125 of the rotating connecting assembly 12 arranged on the other pair of second armrest frames 120 (or first armrest frames 110) is rotated, causing the two rotating locking members 123 of the rotating connecting assembly 12 to rotate to the rotating unlocked position. In this case, the first armrest frame 110 and the second armrest frame 120 can be folded at the same time, and the connecting rod 140 drives the sliding member 400 to move downwards, so that the plurality of support legs 200 can approach each other along the direction D 1 and the direction D2 at the same time, thereby realizing folding of the child carrier.

[0180] In this embodiment, since the first rotating arm 122a does not interfere with the rotating locking member 123 after being folded, when the child carrier is in the folded state, the rotatinglocking member 123 rotates from the rotating unlocked position to the rotating locked position under an elastic restoring force of the rotating reset member 124.

[0181] When it is required to unfold the child carrier, the two first rotating arms 122a and the two second rotating arms 122b of one of the first armrest frame 110 (or the second armrest frame 120) are rotated from the folded position shown in FIG. 19 to the unfolded position shown in FIG. 17, and the sliding member 400 is driven, by the connecting rod, to move upwards (i.e., in a direction approaching the corner connecting member 130), so that another connecting rod 140 connected to such sliding member 400 can drive the two first rotating arms 122a and the two second rotating arms 122b of the second armrest frame 120 (or the first armrest frame 110) to rotate from the folded position to the unfolded position, as such, the two first armrest frames 110 and the two second armrest frames 120 of the armrest frame 100 of the child carrier can be synchronously switched from the folded state to the unfolded state. As the two first rotating arms 122a and the two second rotating arms 122b rotate from the folded position shown in FIG. 19 to the unfolded position shown in FIG. 17, the ends of the two first rotating arms 122a push against the respective wedge-shaped surfaces 1239 of the rotating locking members 123, causing the two rotating locking members 123 to rotate from the rotating locked position to the rotating unlocked position respectively. When the two first rotating arms 122a and the two second turning arms 122b respectively rotate to the unfolded position shown in FIG. 18, the end of the first rotating arm 122a is just separated from the wedge-shaped surface 1239 of the rotating locking member 123. In this case, the rotating locking member 123 is in the rotating unlocked position. Under the elastic restoring force of the rotating reset member 124, the rotating locking member 123 is rotated from the rotating unlocked position shown in FIG. 18 to the rotating locked position shown in FIG. 17, so that the end of each first rotating arm 122a is engaged with the engaging recess 1231 of the corresponding rotating locking member 123. In this way, the child carrier is unfolded.

[0182] According to a fourth embodiment of the present application, a bracket connecting structure 1 and a child carrier including the bracket connecting structure are provided.

[0183] FIGS. 23 to 28 are schematic views of the bracket connecting structure 1 according to the fourth embodiment of the present application. The bracket connecting structure 1 includes two bracket connecting assemblies 10 and the linking member 20 connected to the two bracket connecting assemblies 10 in a driven manner. The two bracket connecting assemblies 10 are both rotatingconnecting assemblies 12. The two rotating connecting assemblies 12 are a first rotating assembly 12a and a second rotating assembly 12b respectively.

[0184] Each rotating connecting assembly 12 includes the rotating base 121, at least one first rotating arm 122a, at least one second rotating arm 122b, at least one rotating locking member 123, and the rotating reset member 124 adapted to bias the rotating locking member 123 to rotate towards the rotating locked position. In this embodiment, each rotating connecting assembly 12 is provided with two first rotating arms 122a, two second rotating arms 122b, and two rotating locking members 123. The two first rotating arms 122a act on different rotating locking members 123. Each rotating locking member 123 is provided with the engaging recess 1231. The engaging protrusions 1221 are respectively formed on the ends of the two first rotating arms 122a facing each other. When the rotating locking member 123 is in the rotating locked position, the rotating connecting assembly 12 is in the locked state, the engaging protrusions 1221 of the two first rotating arms 122a are engaged with the respective engaging recesses 1231 of the rotating locking members 123, and thus the two first rotating arms 122a are limited from rotating relative to the rotating base 121. When the rotating locking member 123 is in the rotating unlocked position, the rotating connecting assembly 12 is in the unlocked state, the two first rotating arm 122a are rotatable relative to the rotating base 121, and the two second rotating arms 122b are rotatable relative to the rotating base 121.

[0185] In an embodiment, as shown in FIG. 23, the two rotating locking members 123 are respectively a first rotating locking member 123a on the right side and a second rotating locking member 123b on the left side. The two rotating locking members 123 are connected to each other in a driven manner. Specifically, the two rotating locking members 123 are each provided with meshing teeth 1232. The two rotating locking members 123 are meshed with each other through the meshing teeth 1232, to allow that the rotation of one of the rotating locking member 123 can drive another of the rotating locking members 123 to synchronously rotate, so that the two rotating locking members 123 can synchronously switch between the rotating locked position and the rotating unlocked position. The rotating reset member 124 is, for example, a torsion spring. One rotating reset member 124 is provided. The rotating reset member 124 abuts against one of the rotating locking members 123, for example, the first rotating locking member 123a.

[0186] The bracket connecting structure 1 in this embodiment has at least the following configurations different from the bracket connecting structure 1 in the third embodiment.

[0187] As shown in FIGS. 23 to 24, the first rotating assembly 12a is provided with the operating member 125, while the second rotating assembly 12b is not provided with the operating member 125. The operating member 125 is rotatably arranged on the rotating base 121 of the first rotating assembly 12a and is connected to the rotating locking member 123 in a driven manner to drive the rotating locking member 123 to switch between the rotating locked position and the rotating unlocked position. The operating member 125 is connected to one of the rotating locking members 123 of the first rotating assembly 12a in a driven manner, to allow this rotating locking member 123 to be driven to rotate and another of the rotating locking members 123 to driven to synchronously rotate through the meshing between the meshing teeth 1232 of the two rotating locking members 123 when the operating member 125 is operated to rotate, thereby realizing synchronous switching of the two rotating locking members 123 between the rotating locked position and the rotating unlocked position. It is to be understood that in some other unillustrated embodiments, the rotating connecting assembly 12 may be provided with only one rotating locking member 123, which is not limited in the present application.

[0188] As shown in FIG. 23, two ends of the linking member 20 are respectively connected to the rotating locking members 123 of the two rotating connecting assemblies 12, to allow the rotating locking member 123 of the first rotating assembly 12a to be driven to rotate and the rotating locking member 123 of the second rotating assembly 12b to be driven to rotate by the linking member 20 when the operating member 125 is operated to rotate, so that the rotating locking members 123 of the two rotating connecting assemblies 12 synchronously rotate, thereby realizing synchronous switching of the rotating locking members 123 of the two rotating connecting assemblies 12 between the rotating locked position and the rotating unlocked position.

[0189] FIG. 29 is a schematic view of the linking member 20 according to the fourth embodiment of the present application. The linking member 20 includes: the pulling rope 21; the first latch end 22a and the second latch end 22b respectively arranged at two ends of the pulling rope 21; and a sheath 23 sleeving outside the pulling rope 21. The first latch end 22a and the second latch end 22b basically have the same structure. The first latch end 22a and the second latch end 22b are substantially in a shape of a cylinder. Two ends of the pulling rope 21 are connected to a side surface of the first latch end 22a and a side surface of the second latch end 22b respectively. The sheath 23 is arranged outside the pulling rope 21. At least part of the pulling rope 21, the first latch end 22a, andthe second latch end 22b all extend out of the sheath 23. An end of the sheath 23 is provided with the first connecting end 24a adapted to allow passage of the pulling rope 2 Id, and another end of the sheath 23 is provided with the second connecting end 24b adapted to allow passage of the pulling rope 21. The first connecting end 24a is limited by the rotating base 121 of the first rotating assembly 12a, and the second connecting end 24b is limited by the rotating base 121 of the second rotating assembly 12b, to fixedly connect the two ends of the sheath 23 to the rotating bases 121 of the two rotating connecting assemblies 12 respectively. In this way, on the one hand, the linking member 20 can be supported, on the other hand, the ends of the sheath 23 can be fixed, thereby preventing the movement of the sheath 23 from impeding the rotation of the rotating locking member 123.

[0190] In an embodiment, as shown in FIGS. 21, 27, and 28, the rotating base 121 of the rotating connecting assembly 12 is provided with a connecting frame 129. The pulling rope 21 of the linking member 20 can extend through the connecting frame 129. The connecting frame 129 is located in the accommodating groove 1212 of the rotating base 121. The connecting frame 129 is formed by tearing part of the sidewall 1213 of the pivot base 121 and bending this part inwards (that is, towards the accommodating groove). The connecting frame 129 and the rotating base 121 are integrally formed, thereby improving strength of connection between the connecting frame 129 and the rotating base 121 and reducing a manufacturing cost. It may be understood that in other embodiments, the connecting frame 129 may be a component fixed to the sidewall 1213 of the rotating base 121 by, for example, welding, riveting, bonding, or the like, which is not limited in the present application. Still referring to FIGS. 23 and 27, the rotating base 121 is provided with two connecting frames 129, which are a first connecting frame 129a arranged adjacent to the first rotating locking member 123a and a second connecting frame 129b arranged adjacent to the second rotating locking member 123b respectively. The two connecting frames 129 are adjacent to a side of the rotating locking member 123 away from the engaging recess 1231. The first connecting end 24a of the linking member 20 is engaged with the second connecting frame 129b of the first rotating assembly 12a, and the second connecting end 24b of the linking member 20 is engaged with the first connecting frame 129a of the second rotating assembly 12b. It may be understood that in some other embodiments, the first rotating assembly 12a may be provided with only one connecting frame 129, that is, only the second connecting frame 129b. The second rotating assembly 12b may also be provided with only one connecting frame 129, that is, only the first connecting frame 129a. Referring to FIGS. 23 and 27, inthis embodiment, the rotating reset member 124 is sleeved on a pivoting shaft of the first rotating locking member 123 a; an end of the rotating reset member 124 abuts against the first rotating locking member 123a, and another end of the rotating reset member 124 is engaged with the first connecting frame 129a. Alternatively, the rotating reset member 124 may be sleeved on a pivoting shaft of the second rotating locking member 123b; an end of the rotating reset member 124 abuts against the second rotating locking member 123b, and another end of the rotating reset member 124 is engaged with the second connecting frame 129b. It is to be noted that a terminal end of the connecting frame 129 in this embodiment is open. In order to prevent the end of the rotating reset member 124 from sliding out of and fall off the terminal end of the connecting frame 129, the connecting frames 129 on the two sidewalls 1213 of the rotating base 121 can be arranged to face each other, so that the ends of the rotating reset member 124 can be limited between the two connecting frames 129 (as shown in FIGS. 27 and 28). In other embodiments, the two connecting frames 129 may not be used to limit the ends of the rotating reset member 124, and further, a stopping structure (e.g., a hook-shaped stopping structure) may be arranged at the terminal end of the connecting frame 129 to prevent the end of the rotating reset member 124 from sliding out of the connecting frame 129. In addition, in other embodiments (see FIG. 17), alternatively, an end of the rotating reset member 124 abuts against the first rotating locking member 123a, and another end of the rotating reset member 124 abuts against the pin shaft (not shown) of the first rotating arm 122a.

[0191] FIG. 30 is a schematic view of the first rotating locking member 123a of the rotating connecting assembly 12 according to the fourth embodiment of the present application. Referring to FIGS. 23 and 29, the first rotating locking members 123a of the two rotating connecting assemblies 12 are each provided with an engaging groove 1233. The first latch end 22a and the second latch end 22b are engaged with the respective engaging grooves 1233. Specifically, the engaging groove 1233 is arranged on a side of the rotating locking member 123 away from the engaging recess 1231. The first rotating locking member 123a of the first rotating assembly 12a is provided with the engaging groove 1233, and the first rotating locking member 123a of the second rotating assembly 12b is provided with the engaging groove 123. The first latch end 22a is engaged with the engaging groove 1233 of the first rotating locking member 123 a of the first rotating assembly 12a, and the second latch end 22b is engaged with the engaging groove 1233 of the first rotating locking member 123a of the second rotating assembly 12b. The first latch end 22a and the second latch end 22b have the samestructure. The engaging groove 1233 includes a first groove portion 12331, and a second groove portion 12332 through which the pulling rope 21 extends. The first groove portion 12331 is in communication with the second groove portion 12332. An extending direction of the first groove portion 12331 is at an angle to an extending direction of the second groove portion 12332. The first latch end 22a or the second latch end 22b is adapted to be engaged with the first groove portion 12331. In this embodiment, the second rotating locking members 123b of the two rotating connecting assemblies 12 are each not provided with the engaging groove 1233. In some embodiments, the second rotating locking member 123b of the first rotating assembly 12a is provided with a holding groove 1237. Two ends of the holding groove 1237 are open ends to allow passage of the pulling rope 21. When the first latch end 22a or the second latch end 22b are engaged with the respective rotating locking members 123, the pulling rope 21 sequentially extends through the engaging groove 1233 of the first rotating locking member 123 a of the first rotating assembly 12a, the holding groove 1237 of the second rotating locking member 123b of the first rotating assembly 12a, and the engaging groove 1233 of the first rotating locking member 123a of the second rotating assembly 12b. The operating member 125 is connected to the second rotating locking member 123b of the first rotating assembly 12a in a driven manner. The second rotating locking member 123b of the first rotating assembly 12a is driven by the operating member 125 to rotate, the rotating locking member 123a of the first rotating assembly 12a is driven by the meshing between the two rotating locking members 123 of the first rotating assembly 12a, and further, the first rotating locking member 123a of the second rotating assembly 12b is driven by the linking member 20, thereby driving the second rotating locking member 123b of the second rotating assembly 12b to rotate by the meshing between the two rotating locking members 123 of the second rotating assembly 12b, so that the rotating locking members 123 of the two rotating connecting assemblies 12 can synchronously rotate, and the rotating locking members 123 of the two rotating connecting assemblies 12 can synchronously switch between the rotating locked position and the rotating unlocked position.

[0192] According to the bracket connecting structure 1 in this embodiment, the two rotating connecting assemblies 12 are driven by the linking member 20 to synchronously switch between the locked state and the unlocked state, which is simple in structure and easy to operate.

[0193] FIG. 31 is a schematic view of a child carrier according to the fourth embodiment of the present application. The child carrier includes a bed frame 1000 and an enclosure (not shown). Theenclosure may be made of fabric. The enclosure is connected to the bed frame 1000 to define an accommodating space for the child carrier, and a child may sleep or play in the accommodating space. The bed frame 1000 includes a plurality of armrest frames 100 and a plurality of support legs 200 configured to support the armrest frames 100. The plurality of armrest frames 100 include a pair of first armrest frames 110 and a pair of second armrest frames 120 adjacent to the first armrest frames 110. The child carrier in this embodiment has at least the following configurations different from the child carriers in the first embodiment, the second embodiment, and the third embodiment.

[0194] As shown in FIG. 31, the bed frame 1000 is provided with the bracket connecting assembly 10 of the bracket connecting structure 1 in the fourth embodiment. The bracket connecting assembly 10 includes the first rotating assembly 12a and the second rotating assembly 12b. The first rotating assembly 12a serves as the first armrest frame 110, and the second rotating assembly 12b serves as the second armrest frame 120. Specifically, two sets of first turning arms 102a and second turning arms 102b of the first armrest frame 110 correspond to two sets of rotating arms 122 (i.e., the first rotating arms 122a and the second rotating arms 122b) of the first rotating assembly 12a respectively. The connecting base 101 of each first armrest frame 110 corresponds to the rotating base 121 of the first rotating assembly 12a. Two sets of first turning arms 102a and second turning arms 102b of the second armrest frame 120 correspond to two sets of rotating arms 122 (i.e., the first rotating arms 122a and the second rotating arms 122b) of the second rotating assembly 12b respectively. The connecting base 101 of each second armrest frame 120 corresponds to the rotating base 121 of the second rotating assembly 12b. In this embodiment, the bracket connecting structure 11 further includes the corner connecting members 130, the support legs 200, and connecting rods 140. The first armrest frame 110 and the second armrest frame 120 are connected to the corner connecting member 130. The support leg 200 is connected to the comer connecting member 130. The support leg 200 is provided with the slidable sliding member 400. The first armrest frame 110 and the second armrest frame 120 are connected to the same sliding member 400 through the respective connecting rods 140. The first armrest frame 110 and the second armrest frame 120 are connected to each other in a driven manner through the linking member 20.

[0195] Compared with the third embodiment, when the child carrier in this embodiment is required to be folded, only the operating member 125 of the first rotating assembly 12a arranged on the first armrest frame 110 is required to be operated, and then the two rotating locking members 123of the first rotating assembly 12a and the two rotating locking members 123 of the second rotating assembly 12b may be synchronously rotated from the rotating locked position to the rotating unlocked position through the linking member 20, thereby realizing folding of the child carrier.

[0196] In the fourth embodiment, the unfolding process of the child carrier is basically the same as that in the third embodiment, and details thereof are not repeatedly described herein.

[0197] According to a fifth embodiment of the present application, a bracket connecting structureI and a child carrier including the bracket connecting structure 1 are provided.

[0198] FIGS. 32 to 37 are schematic views of the bracket connecting structure 1 according to the fifth embodiment of the present application. The bracket connecting structure 1 includes two bracket connecting assemblies 10 and the linking member 20 connected between the two bracket connecting assemblies 10. The two bracket connecting assemblies 10 include the moving connecting assemblyII and the rotating connecting assembly 12. The moving connecting assembly 11 has basically the same configuration as that of the first moving assembly Ila in the second embodiment. The rotating connecting assembly 12 has the same configuration as that of the second rotating assembly 12b in the fourth embodiment.

[0199] As shown in FIGS. 33, 35, and 37, the moving locking member 11 includes: the pivot base 111; two moving locking members 113 mounted on the pivot base 111; and two sets of first pivot arms 112a and two sets of second pivot arms 112b pivotally connected to the pivot base 111. The pivot base 111 is provided with the sliding groove 1111. The moving locking member 113 is in insertion fit with the sliding groove 1111 through a connecting pin (not shown). The connecting pin is, for example, a rivet, a screw, a bolt, or the like. Specifically, the moving locking member 113 is provided with a plurality of connecting holes 1134. The connecting pin extends through the sliding groove 1111 and the connecting hole 1134, to movably connect the moving locking member 113 and the pivot base 111. The pivot base 111 and the moving locking member 113 are connected to each other through the connecting pin, so that the connection between pivot base 111 and the moving locking member 113 is more firm and reliable, which is easy to disassemble and assemble. It may be understood that in some other unillustrated embodiments, the locking member 103 may be provided with the sliding groove 1111, the pivot base 111 is correspondingly provided with the connecting protrusion 1133 (similar to the connecting protrusion 1133 in FIG. 13) or the connecting pin, and the connecting protrusion 1133 or the connecting pin is in insertion fit with the sliding groove 1111 andcan move along the sliding groove 1111, which is not limited in the present application.

[0200] As shown in FIGS. 32 to 33, an end of the linking member 20 is connected to the second moving locking member 113b of the moving connecting assembly 11, and another end of the linking member 20 is connected to the first rotating locking member 123a of the rotating connecting assembly 12. When the second moving locking member 113b moves from the moving locked position to the moving unlocked position, the first rotating locking member 123a is driven by the linking member 20 to rotate to the rotating unlocked position, and the second rotating locking member 123b is further driven to rotate to the rotating unlocked position by the meshing of the meshing teeth 1232 between the two rotating locking members 123, thereby realizing synchronous switching of the moving connecting assembly 11 and the rotating connecting assembly 12 from the locked state to the unlocked state.

[0201] Referring to FIG. 32, the rotating reset member 124 is sleeved on the pivoting shaft of the first rotating locking member 123a. An end of the rotating reset member 124 abuts against the first rotating locking member 123a, and another end of the rotating reset member 124 abuts against the pin shaft (not shown) of the first rotating arm 122a. In other embodiments (see FIG. 27), alternatively, an end of the rotating reset member 124 may abut against the first rotating locking member 123 a, and another end of the rotating reset member 124 any be engaged with the first connecting frame 129a.

[0202] FIG. 38 is a schematic view of the linking member 20 according to the fifth embodiment of the present application. The linking member 20 includes: the pulling rope 21; the sheath 23 sleeved outside the pulling rope 21 ; the first latch end 22a and the second latch end 22b respectively connected to two ends of the pulling rope 21; and the first connecting end 24a and the second connecting end 24b respectively arranged at two ends of the sheath 23. In this embodiment, the first latch end 22a is substantially in a shape of a post, and the pulling rope 21 is connected to an end surface of the first latch end 22a. The second latch end 22b is substantially in a shape of a post, and the pulling rope 21 is connected to a side surface of the second latch end 22b.

[0203] In an embodiment, as shown in FIGS. 32 to 33, the pivot base 111 of the moving connecting assembly 11 is provided with two fixed frames 119, which are the first fixed frame 119a and the second fixed frame 119b respectively. Each fixed frame 119 is formed by tearing a part of respective one of two sidewalls 1115 of the pivot base 111 and bending this part inwards. The rotating base 121 of the rotating connecting assembly 12 is provided with two connecting frames 129, whichare the first connecting frame 129a and the second connecting frame 129b respectively. The first latch end 22a is engaged with the second connecting frame 129b, and the second latch end 22b is engaged with the first connecting frame 129a.

[0204] As shown in FIGS. 32 to 39, the second moving locking member 113b of the moving connecting assembly 11 is provided with the engaging hole 1137. The engaging hole 1137 is provided with an abutting portion 1138 therein. The first latch end 22a is engaged with the abutting portion 1138 of the engaging hole 1137. The first rotating locking member 123a of the rotating connecting assembly 12 is provided with the engaging groove 1233. The second latch end 22b is engaged with the engaging groove 1233.

[0205] FIG. 40 is a schematic view of the child carrier according to the fifth embodiment of the present application. The child carrier includes a bed frame 1000 and an enclosure (not shown). The enclosure may be made of fabric. The enclosure is connected to the bed frame 1000 to define an accommodating space for the child carrier, and a child may sleep or play in the accommodating space. The bed frame 1000 includes an armrest frame 100 and a plurality of support legs 200 configured to support the armrest frame 100. The armrest frame 100 includes a pair of first armrest frames 110 and a pair of second armrest frames 120 adjacent to the first armrest frames 110. The child carrier in this embodiment has at least the following configurations different from the child carriers in the first embodiment, the second embodiment, the third embodiment, and the fourth embodiment.

[0206] As shown in FIG. 40, the bed frame 1000 is provided with the bracket connecting assembly 10 of the bracket connecting structure 1 in the fifth embodiment. The bracket connecting assembly 10 includes the moving connecting assembly 11 and the rotating connecting assembly 12. The moving connecting assembly 11 serves as the first armrest frame 110, and the rotating connecting assembly 12 serves as the second armrest frame 120. Specifically, two sets of first turning arms 102a and two sets of second turning arms 102b of each first armrest frame 110 correspond to two sets of pivot arms 112 (i.e., the first pivot arms 112a and the second pivot arms 112b) of the moving connecting assembly 11 respectively. The connecting base 101 of the first armrest frame 110 corresponds to the rotating base 111 of the moving connecting assembly 11. Two sets of first turning arms 102a and two sets of second turning arms 102b of the second armrest frame 120 correspond to two sets of rotating arms 122 (i.e., the first rotating arms 122a and the second rotating arms 122b) of the second rotating assembly 12b respectively. The connecting base 101 of each second armrest frame120 corresponds to the rotating base 121 of the rotating connecting assembly 12. In this embodiment, the bracket connecting structure 1 further includes comer connecting members 130, support legs 200, and connecting rods 140. The first armrest frame 110 and the second armrest frame 120 are connected to the comer connecting member 130. The support leg 200 is connected to the corner connecting member 130. The support leg 200 is provided with the slidable sliding member 400. The first armrest frame 110 and the second armrest frame 120 are connected to the same sliding member 400 through the respective connecting rods 140. The first armrest frame 110 and the second armrest frame 120 are connected to each other in a driven manner through the linking member 20.

[0207] In the fifth embodiment, the folding process and the unfolding process of the child carrier are similarly to the folding process and the unfolding process of the child carrier in the second embodiment, which are not repeatedly described in detail herein.

[0208] According to a sixth embodiment of the present application, a bracket connecting structure 1 and a child carrier including the bracket connecting structure 1 are provided. The bracket connecting structure 1 includes two bracket connecting assemblies 10 and the linking member 20 connected between the two bracket connecting assemblies 10. The two bracket connecting assemblies 10 include the moving connecting assembly 11 and the rotating connecting assembly 12. A configuration of the rotating connecting assembly 12 may be the same as that of the first rotating assembly 12a in the fourth embodiment, and a configuration of the moving connecting assembly 11 may be the same as that of the second moving assembly 11b in the second embodiment. Details there are not repeatedly described herein.

[0209] The child carrier according to the sixth embodiment of the present application has at least the following configurations different from the child carrier in the fifth embodiment. In this embodiment, the moving connecting assembly 11 is not provided with the operating portion 1153. The moving connecting assembly 11 is arranged on the second armrest frame 120 of the child carrier. The rotating connecting assembly 12 is provided with the operating member 125. The rotating connecting assembly 12 is arranged on the first armrest frame 110 of the child carrier.

[0210] In the sixth embodiment, the folding process and the unfolding process of the child carrier are similarly to the folding process and the unfolding process of the child carrier in the fourth embodiment, which are not repeatedly described in detail herein.

[0211] It is to be noted that the moving connecting assembly 11 in the above embodimenttranslates between the moving unlocked position and the moving locked position along a straight line, specifically moves along a horizontal straight line. In other embodiments, the moving connecting assembly 11 may translate along an inclined straight line. In other embodiments, the moving connecting assembly 11 may move between the moving unlocked position and the moving locked position along an arc or a line of other shape, which is not limited herein.

[0212] According to a seventh embodiment of the present application, a bracket connecting structure 1 and a child carrier including the bracket connecting structure 1 are provided.

[0213] FIG. 41 is a schematic view of the child carrier according to the seventh embodiment of the present application. FIGS. 42 to 44 are schematic view of the bracket connecting structure 10 according to the seventh embodiment of the present application. This embodiment mainly has at least the following configurations different from the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, and the sixth embodiment.

[0214] As shown in FIG. 41, the child carrier includes a bed frame 1000. The bed frame 1000 is provided with the bracket connecting structure 1. The bracket connecting structure 1 includes at least one bracket connecting assembly 10. In this embodiment, the bracket connecting assembly 10 includes the first rotating assembly 12a and the second rotating assembly 12b. The first rotating assembly 12a is connected to the second rotating assembly 12b in a driven manner through the linking member 20. The first rotating assembly 12a serves as the first armrest frame 110, and the second rotating assembly 11b serves as the second armrest frame 120. In some other unillustrated embodiments, the bracket connecting structure 1 may also include the rotating connecting assembly 12, and which is not limited in the present application. For the convenience of description, one rotating connecting assembly 12 (the second rotating assembly 12b) is taken as an example for description below.

[0215] As shown in FIGS. 41 and 42, the rotating connecting assembly 12 includes the rotating base 121, the first rotating arm 122a, the second rotating arm 122b, and the rotating locking member 123. The rotating locking member 123 serves as a locking member of the bracket connecting assembly 10. The rotating locking member 123 is provided with the engaging recess 1231. The first rotating arm 122a is pivotably connected to the rotating base 121 through a pin shaft 128a (which may be, for example, a rivet, a screw, a bolt, or the like). The second rotating arm 122b is pivotably connected to the rotating base 121 through a pin shaft 128b. The first rotating arm 122a and the second rotatingarm 122b each have an unfolded position and a folded position. When the rotating locking member 123 is in the rotating unlocked position, the rotating connecting assembly 12 is in the unlocked state, the first rotating arm 122a is rotatable relative to the rotating base 121, and the second rotating arm 122b is rotatable relative to the rotating base 121. When the rotating locking member 123 is in the rotating locked position, the rotating connecting assembly 12 is in the locked state, and the first rotating arm 122a is limited from rotating relative to the rotating base 121.

[0216] As shown in FIGS. 43 to 45, the first rotating arm 122a includes a body rod 1224, an engaging rod 1225, and a telescopic reset member 1226. The body rod 1224 is pivotally connected to the rotating base 121 through the pin shaft 128a. One of the body rod 1224 and the engaging rod 1225 is provided with an insertion cavity 12241, another of the body rod 1224 and the engaging rod 1225 is inserted into and at least partially limited into the insertion cavity 12241. The engaging rod 1225 may move relative to the body rod 1224 and have an extended position and a retracted position. An end of the engaging rod 1225 away from the body rod 1224 serves as the engaging protrusion 1221. In this embodiment, the body rod 1224 is provided with the insertion cavity 12241, and another end of the engaging rod 1225 away from the engaging protrusion 1221 is inserted into the insertion cavity 12241. When the first rotating arm 122a is in the folded position, the engaging protrusion 1221 is separated from the engaging recess 1231, and the engaging rod 1225 is in the extended position. During switching of the first rotating arm 122a from the folded position to the unfolded position, the rotating locking member 123 pushes against the engaging protrusion 1221, so that the engaging rod 1225 moves from the extended position to the retracted position. When the first rotating arm 122a switches to the unfolded position, the engaging protrusion 1221 faces the engaging recess 1231, and the engaging rod 1225 moves from the retracted position to the extended position, so that the engaging protrusion 1221 is engaged with the engaging recess 1231. When the engaging rod 1225 is in the extended position, a total length of the first rotating arm 122a (i.e., a sum of a length of the body rod 1224 and a length of part of the engaging rod 1225 extending out of the body rod 1224) is maximum. When the engaging rod 1225 is in the retracted position, the total length of the first rotating arm 122a is minimum.

[0217] As shown in FIGS. 44 to 45, the engaging rod 1225 is provided with a guide groove 12252. An extending direction of the guide groove 12252 is parallel to an extending direction of the insertion cavity 12241. The pin shaft 128a extends through guide groove 12252, and is limited into the guidegroove 12252. That is, both the engaging rod 1225 and the body rod 1224 are pivotally connected to the rotating base 121 through the pin shaft 128a, and the engaging rod 1225 is movably inserted into the insertion cavity 12241. In this way, the engaging rod 1225 can rotate relative to the rotating base 121 along with the body rod 1224, and can also move between the extended position and the retracted position relative to the body rod 1224. In other unillustrated embodiments, the body rod 1224 may be pivotally connected to the rotating base 121 through the pin shaft 128a, the engaging rod 1225 is not pivotally connected to the rotating base 121, and the engaging rod 1225 is movably inserted into the insertion cavity 12241 and is at least partially limited into the insertion cavity 12241 by another limiting structure, and which is not limited in the present application.

[0218] As shown in FIG. 45, a plurality of convex ribs 12257 are formed on an outer side surface of the engaging rod 1225. The convex ribs 12257 can slide along the insertion cavity 12241. The convex ribs 12257 are in contact with an inner wall of the body rod 1224. Therefore, compared with the entire outer side surface of the engaging rod 1225 being in contact with the inner wall of the body rod 1224, in this embodiment, the convex ribs 12257 are in contact with the inner wall of the body rod 1224, which can reduce friction between the engaging rod 1225 and the body rod 1224, making the sliding smoother.

[0219] As shown in FIG. 45, the end of the engaging rod 1225 away from the engaging protrusion 1221 is provided with a first insertion end 12253a and a second insertion end 12253b. The first insertion end 12253a is located above the second insertion end 12253b. The first insertion end 12253a and the second insertion end 12253b enclose an introduction opening 12254 in communication with the guide groove 12252. An extending direction of the introduction opening 12254 is substantially parallel to the extending direction of the guide groove 12252. In this way, the pin shaft 128a can be easily inserted into the guide groove 12252. At least one of the first insertion end 12253a and the second insertion end 12253b is provided with a limiting protrusion 12255. The engaging rod 1225 allows the pin shaft 128a to extend into the guide groove 12252 through the introduction opening 12254, and the limiting protrusion 12255 can abut against the pin shaft 128a to limit separation of the guide groove 12252 from the pin shaft 128a, thereby at least partially limiting the engaging rod 1225 into the insertion cavity 12241 and further preventing separation of the engaging rod 1225 from the body rod 1224. Through the cooperation between the introduction opening 12254 and the limiting protrusion 12255, the pin shaft 128a can be easily engaged with the guide groove 12252 of theengaging rod 1225, so that the engaging rod 1225 can be rapidly mounted.

[0220] In this embodiment, the first insertion end 12253a and the second insertion end 12253b are each provided with the limiting protrusion 12255. The two limiting protrusions 12255 are rotationally symmetrical, and have the same structure. For the convenience of description, the structure of one of the limiting protrusions 12255 is taken as an example for illustration below.

[0221] The limiting protrusion 12255 includes an introduction portion 12255a and a limiting hook portion 12255b. The limiting hook portion 12255b is connected to the introduction portion 12255a and is closer to the guide groove 12252 than the introduction portion 12255a. The limiting hook portion 12255b is adapted to abut against the pin shaft 128a, thereby preventing the guide groove 12252 from being separated from the pin shaft 128a. The introduction portion 12255a is gradually enlarged from an end away from the limiting hook portion 12255b to an end adjacent to the limiting hook portion 12255b, and has an inclined surface. In this way, the pin shaft 128a and the guide groove 12252 can be more smoothly engaged via the introduction opening 12254, thereby facilitating assembly of the engaging rod 1225. Specifically, the process of engaging the engaging rod 1225 with the pin shaft 128a is as follows: a surface of the introduction portion 12255a of the limiting protrusion 12255 pushes against the pin shaft 128a, causing the first insertion end 12253a and the second insertion end 12253b to be elastically deformed, so that the engaging rod 1225 can move into the insertion cavity 12241 in a direction parallel to the body rod 1224. When the engaging rod 1225 moves to cause the limiting hook portion 12255b to abut against the pin shaft 128a, the first insertion end 12253a, the second insertion end 12253b, and the two limiting hook portions 12255b are elastically deformed under pressing of the pin shaft 128a. The engaging rod 1225 is continuously moved into the insertion cavity 12241 in the direction parallel to the body rod 1224, and the limiting hook portion 12255b passes over the pin shaft 128a and is located on a side of the pin shaft 128a away from the engaging protrusion 1221. As such, the pin shaft 128a is engaged with the guide groove 12252.

[0222] As shown in FIGS. 43 to 45, a first end of the telescopic reset member 1226 abuts against the pin shaft 128a, a second end of the telescopic reset member 1226 abuts against the engaging rod 1225. The telescopic reset member 1226 biases the engaging rod 1225 to move to the extended position, so that when the engaging rod 1225 is not blocked by an external force, the engaging rod 1225 is held in the extended position under an elastic restoring force of the telescopic reset member1226. As a result, when the first rotating arm 122a rotates to the unfolded position, the engaging rod 1225 can automatically return to the extended position and be engaged with the engaging recess 1231 of the rotating locking member 123. The telescopic reset member 1226 includes, for example, a compression spring. The engaging rod 1225 is provided with an accommodating cavity 12256. The telescopic reset member 1226 is accommodated in the accommodating cavity 12256. The second end of the telescopic reset member 1226 abuts against a bottom wall of the accommodating cavity 12256, and the first end of the telescopic reset member 1226 abuts against the pin shaft 128a.

[0223] In this embodiment, through the arrangement of the engaging rod 1225 movable relative to the body rod 1224, the first rotating arm 122a can be engaged with the rotating locking member 123 more smoothly, so that the first rotating arm 122a can switch from the folded position to the unfolded position more smoothly. Specifically, during the switching of the first rotating arm 122a from the folded position to the unfolded position, the engaging protrusion 1221 of the engaging rod 1225 is pushed by the rotating locking member 123, and then the engaging rod 1225 retracts into the body rod 1224 (i.e., moves towards the retracted position), so that the first rotating arm 122a can rotate relative to the rotating base 121 more smoothly. When the first rotating arm 122a switches to the unfolded position, the engaging protrusion 1221 faces the engaging recess 1231, the engaging rod 1225 is not stopped by the rotating locking member 123, and the engaging rod 1225 moves from the retracted position to the extended position, so that the engaging protrusion 1221 is engaged with the engaging recess 1231, thereby holding the first rotating arm 122a in the unfolded position.

[0224] As shown in FIGS. 41 to 43, the bracket connecting assembly 10 is further provided with an auxiliary reset member 105. An end of the auxiliary reset member 105 is connected to the connecting base 101, another end of the auxiliary reset member 105 abuts against the first turning arm 102a (i.e., the first rotating arm 122a). The auxiliary reset member 105 biases the first turning arm 102a to rotate towards the unfolded position. The auxiliary reset member 105 can provide an auxiliary force to rotate the first turning arm 102a towards the unfolded position during the unfolding of the bed frame 1000. That is, the first turning arm 102a and the second turning arm 102b (i.e., the second rotating arm 122b) are more easily rotated towards the unfolded position. In this way, the bed frame 1000 can be unfolded more conveniently and with less effort. When the bed frame 1000 is in the folded state, the bed frame 1000 tends to be unfolded under an elastic restoring force of the auxiliary reset member 105. Therefore, the support legs 200 of the bed frame 1000 can be tied togetherwith a rope, a strap, a tie, or the like to completely limit the bed frame 1000 to the folded state, so as to facilitate storage of the bed frame 1000. In this embodiment, the auxiliary reset member 105 may be arranged on the first turning arm 102a of the first armrest frame 110, or arranged on the first turning arm 102a of the second armrest frame 120, or arranged on the first turning arm 102a of the first armrest frame 110 and the first turning arm 102a of the second armrest frame 120.

[0225] Referring to FIG. 46, the auxiliary reset member 105 includes, for example, a torsion spring. The auxiliary reset member 105 includes two spring body portions 1053, two first end portions 1051, and a second end portion 1052 connected to the two spring body portions 1053. The first turning arm 102a (i.e., the first rotating arm 122a) is pivotally connected to the connecting base 101 through the pin shaft 128a, and the two spring body portions 1053 are sleeved on the pin shaft and are each located on the respective one of two opposite sides of the first turning arm 102a. The two first end portions 1051 abut against the connecting base 101 (i.e., the rotating base 121). Specifically, the two sidewalls 1213 of the rotating base 121 are each provided with an abutting hole 1216. The first end portions 1051 are inserted into the respective abutting holes 1216 and abut against respective hole walls of the abutting holes 1216. The second end portion 1052 abuts against the first turning arm 102a and is located between the first turning arm 102a and the second turning arm 102b.

[0226] In this embodiment, as shown in FIGS. 42 and 46, the second end portion 1052 is substantially U-shaped. The auxiliary reset member 105 may be mounted in the following two manners.

[0227] In the first manner, after the first turning arm 102a is extended to be below the second end portion 1052, the two spring body portions 1053 are respectively mounted on two opposite sides of the first turning arm 102a and are sleeved on the pin shaft 128a, and finally, the two first end portions 1051 are inserted into the respective abutting holes 1216 and abut against the respective hole walls of the abutting holes 1216.

[0228] In the second manner, the two first end portions 1051 are inserted into the respective abutting holes 1216 and abut against the respective hole walls of the abutting holes 1216; the first turning arm 102a is extended to be below the second end portion 1052, and the two spring body portions 1053 are mounted on two opposite sides of the first turning arm 102a and are sleeved on the pin shaft 128a.

[0229] When the first turning arm 102a is in the folded position, the auxiliary reset member 105is in an elastic energy storage state, and the elastic restoring force of the auxiliary reset member 105 causes the first turning arm 102a to slightly rotate towards the unfolded position or the first turning arm 102a to have a tendency to rotate towards the unfolded position, thereby enabling the bed frame 1000 to be unfolded more easily.

[0230] As shown in FIG. 41, in this embodiment, the bracket connecting structure 11 further includes the comer connecting members 130, support legs 200, and connecting rods 140. The first armrest frame 110 and the second armrest frame 120 are connected to the corner connecting member 130. The support leg 200 is connected to the comer connecting member 130. The support leg 200 is provided with the slidable sliding member 400. The first armrest frame 110 and the second armrest frame 120 are connected to the same sliding member 400 through the respective connecting rods 140. The first armrest frame 110 and the second armrest frame 120 are connected to each other in a driven manner through the linking member 20.

[0231] Compared with the first embodiment to the sixth embodiment, in the seventh embodiment, during the switching of the child carrier from the folded state to the unfolded state, the elastic restoring force of the auxiliary reset member 105 causes the first turning arm 102a (i.e., the first rotating arm 122a) to rotate towards the unfolded position, so that the child carrier (i.e., the bed frame 1000) is unfolded more easily. In addition, during the switching of the bed frame 1000 from the folded state to the unfolded state, the engaging rod 1225 of the first rotating arm 122a is pushed by the rotating locking member 123 and retracts. When the first rotating arm 122a is rotated in place (that is, rotated to the unfolded position), the engaging rod 1225 extends out of the insertion cavity 12241 of the body rod 1224 and is engaged with the engaging recess 1231 of the rotating locking member 123.

[0232] In the seventh embodiment, for the folding process of the child carrier (i.e., the process from the unfolded state to the folded state), reference may be made to the folding processes in the fourth embodiment and the fifth embodiment, and details thereof are not repeatedly described herein.

[0233] In other embodiments, the bracket connecting assemblies 10 in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, and the sixth embodiment may be provided with the auxiliary reset member 105 to assist in unfolding the bed frame 1000, and which is not limited in the present application.

[0234] According to the child carrier, the bracket connecting structure, and the bracket connecting assembly in the embodiments of the present application, pivoting of the pivot arm is prevented orallowed through the arrangement of the movable locking member, thereby providing the child carrier, the bracket connecting structure, and the bracket connecting assembly with a simple structure and an easily changeable state.

[0235] The technical features of the above embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features are described in the embodiments. However, as long as there is no contradiction in the combination of these technical features, the combinations should be considered as in the scope of the specification.

[0236] The above embodiments illustrate only several implementations of the present application, and the descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present application. It should be understood by those of ordinary skill in the art that various variants and improvements can be made without departing from the concept of the present application, and all fall within the protection scope of the present application. Therefore, the patent protection of the present application shall be subjected to the appended claims.

Claims

CLAIMS1. A bracket connecting structure, comprising a bracket connecting assembly, the bracket connecting assembly comprising: a connecting base; at least one turning arm pivotally connected to the connecting base; and a locking member movably arranged on the connecting base to limit or allow rotation of the at least one turning arm relative to the connecting base.

2. The bracket connecting structure according to claim 1, wherein the bracket connecting assembly comprises a moving connecting assembly, wherein the moving connecting assembly comprises: a pivot base serving as the connecting base; at least one set of pivot arms serving as the at least one turning arm, each set of pivot arms comprising a first pivot arm and a second pivot arm that are pivotally connected to a same side of the pivot base, the first pivot arm and the second pivot arm being spaced apart from each other; and at least one moving locking member movably arranged on the pivot base and switchable between a moving unlocked position and a moving locked position; wherein when the moving locking member is in the moving locked position, the moving locking member simultaneously stops the first pivot arm and the second pivot arm to limit rotation of the first pivot arm and rotation of the second pivot arm; and when the moving locking member is in the moving unlocked position, the first pivot arm and the second pivot arm are rotatable relative to the pivot base.

3. The bracket connecting structure according to claim 2, wherein the moving locking member comprises a first surface and a second surface that are opposite to each other; wherein when the moving locking member is in the moving locked position, the first pivot arm is stopped by the first surface, and the second pivot arm is stopped by the second surface; and when the moving locking member is in the moving unlocked position, the first pivot arm is staggered from the first surface, and the second pivot arm is staggered from the second surface.

4. The bracket connecting structure according to any one of claims 2 to 3, wherein two sets of pivot arms are provided, and the two sets of pivot arms are arranged on two opposite sides of the pivot base respectively; and two moving locking members are provided, and the two moving locking members respectively cooperate with the two sets of pivot arms, to limit or allow rotation of the two sets of pivot arms relative to the pivot base.

5. The bracket connecting structure according to claim 4, wherein the moving connecting assembly further comprises a moving reset member arranged between the two moving locking members, and wherein the moving reset member is adapted to bias the two moving locking members to cause the two moving locking members to tend to move towards the moving locked position.

6. The bracket connecting structure according to any one of claims 2 to 5, wherein the moving connecting assembly further comprises a connecting member movably arranged on the pivot base, and wherein one of the connecting member and the moving locking member is provided with a driving groove, an extending direction of the driving groove being at an angle to a moving direction of the moving locking member and at an angle to a moving direction of the connecting member, and another of the connecting member and the moving locking member is provided with a driving member, the driving member being in sliding fit with the driving groove to drive the moving locking member to switch between the moving locked position and the moving unlocked position.

7. The bracket connecting structure according to claim 6, wherein the bracket connecting structure comprises two moving connecting assemblies, and wherein the moving locking member of one of the two moving connecting assemblies is connected to the moving locking member of another of the two moving connecting assemblies through a linking member, so that when the one of the two moving connecting assemblies is operated, the other of the two moving connecting assemblies is driven to switch between a locked state and an unlocked state.

8. The bracket connecting structure according to claim 7, wherein the two moving connecting assemblies comprise a first moving assembly and a second moving assembly, and wherein the connecting member of the first moving assembly is provided with an operable operating portion.

9. The bracket connecting structure according to any one of claims 2 to 8, wherein the bracket connecting assembly further comprises a rotating connecting assembly and a linking member, the rotating connecting assembly comprising: a rotating base serving as the connecting base; at least one first rotating arm serving as the turning arm, the at least one first rotating arm being pivotally connected to the rotating base; and at least one rotating locking member rotatably arranged on the rotating base and switchable between a rotating unlocked position and a rotating locked position, wherein when the rotating locking member is in the rotating unlocked position, the first rotating arm is rotatable relative to the rotating base, and when the rotating locking member is in the rotating locked position, the first rotating arm is limited from rotating relative to the rotating base; and wherein the moving connecting assembly is capable of driving, through the linking member, the rotating connecting assembly to switch from a locked state to an unlocked state; or the rotating connecting assembly is capable of driving, through the linking member, the moving connecting assembly to switch from a locked state to an unlocked state.

10. The bracket connecting structure according to claim 9, wherein one of the first rotating arm and the rotating locking member is provided with an engaging recess, and another of the first rotating arm and the rotating locking member is provided with an engaging protrusion, wherein when the rotating locking member is in the rotating locked position, the engaging protrusion is engaged with the engaging recess, and when the rotating locking member is in the rotating unlocked position, the engaging protrusion is disengaged from the engaging recess.

11. The bracket connecting structure according to any one of claims 1 to 10, wherein the bracket connecting assembly comprises a rotating connecting assembly, the rotating connecting assemblycomprising: a rotating base serving as the connecting base; at least one first rotating arm serving as the turning arm, the at least one first rotating arm being pivotally connected to the rotating base; and at least one rotating locking member rotatably arranged on the rotating base and switchable between a rotating unlocked position and a rotating locked position; wherein when the rotating locking member is in the rotating unlocked position, the first rotating arm is rotatable relative to the rotating base, and when the rotating locking member is in the rotating locked position, the first rotating arm is limited from rotating relative to the rotating base.

12. The bracket connecting structure according to claim 11, wherein the rotating connecting assembly is provided with two first rotating arms, wherein ends of the two first rotating arms facing each other are pivotally connected to the rotating base, wherein two rotating locking members are provided, the two rotating locking members are capable of being engaged with the respective first rotating arms, and wherein the two rotating locking members are meshed with each other to allow the two rotating locking members to synchronously switch between the rotating locked position and the rotating unlocked position.

13. The bracket connecting structure according to any one of claims 11 or 12, wherein the rotating connecting assembly further comprises a rotating reset member, and wherein the rotating reset member biases the rotating locking member to cause the rotating locking member to tend to rotate towards the rotating locked position.

14. The bracket connecting structure according to any one of claims 11 to 13, wherein the rotating connecting assembly further comprises an operating member, the rotating base of the rotating connecting assembly has an accommodating groove, wherein the rotating locking member is at least partially accommodated in the accommodatinggroove, wherein a sidewall of the accommodating groove is provided with a through hole, and wherein the operating member is connected to the rotating locking member via the through hole to drive the rotating locking member to switch between the rotating locked position and the rotating unlocked position.

15. The bracket connecting structure according to claim 14, wherein the rotating locking member is provided with a pivoting protrusion having a concave portion, and wherein the operating member is provided with a pivoting recess adapted to accommodate the pivoting protrusion, the pivoting recess being provided with a convex portion adapted to be engaged with the concave portion.

16. The bracket connecting structure according to any one of claims 11 to 15, wherein two rotating connecting assemblies are provided, the two rotating connecting assemblies are connected to each other in a driven manner through a linking member, and wherein when one of the rotating connecting assemblies is operated, another of the rotating connecting assemblies is driven by the linking member to switch between a locked state and an unlocked state.

17. The bracket connecting structure according to any one of claims 11 to 16, wherein the first rotating arm comprises a body rod and an engaging rod, wherein the engaging rod is connected to an end of the body rod adjacent to the rotating locking member and is movable between an extended position and a retracted position relative to the body rod; and wherein the first rotating arm has an unfolded position and a folded position, and during switching of the first rotating arm from the folded position to the unfolded position, the rotating locking member pushes against the engaging rod so that the engaging rod moves from the extended position to the retracted position.

18. The bracket connecting structure according to claim 17, wherein the rotating locking memberis provided with an engaging recess, and an end of the engaging rod away from the body rod serves as an engaging protrusion, and wherein when the first rotating arm is in the folded position, the engaging protrusion is separated from the engaging recess and the engaging rod is in the extended position; and when the first rotating arm switches from the folded position to the unfolded position, the engaging protrusion faces the engaging recess, and the engaging rod moves from the retracted position to the extended position, so that the engaging protrusion is engaged with the engaging recess.

19. The bracket connecting structure according to any one of claims 17 or 18, wherein one of the body rod and the engaging rod is provided with insertion cavity, and another of the body rod and the engaging rod is inserted into and at least partially limited into the insertion cavity.

20. The bracket connecting structure according to any one of claims 17 to 19, wherein the body rod is provided with an insertion cavity and is pivotally connected to the rotating base through a pin shaft, wherein the engaging rod is inserted into the insertion cavity and is provided with a guide groove, an extending direction of the guide groove being parallel to an extending direction of the insertion cavity, and wherein the pin shaft extends through the guide groove and limits the engaging rod from being separated from the body rod.

21. The bracket connecting structure according to claim 20, wherein an end of the engaging rod away from the engaging protrusion is provided with a first insertion end and a second insertion end, wherein the first insertion end and the second insertion end enclose an introduction opening in communication with the guide groove; and at least one of the first insertion end and the second insertion end is provided with a limiting protrusion, and wherein the engaging rod allows the pin shaft to extend into the guide groove through the introduction opening, and limits the guide groove from being separated from the pin shaft by abutting the limiting protrusion against the pin shaft.

22. The bracket connecting structure according to any one of claims 20 or 21, wherein the first rotating arm is further provided with a telescopic reset member, and wherein an end of the telescopic reset member abuts against the pin shaft, another end of the telescopic reset member abuts against the engaging rod, and the telescopic reset member biases the engaging rod to move towards the extended position.

23. The bracket connecting structure according to claim 22, wherein the engaging rod is provided with an accommodating cavity, and the telescopic reset member is accommodated in the accommodating cavity and abuts against a bottom wall of the accommodating cavity.

24. The bracket connecting structure according to any one of claims 1 to 23, wherein the at least one turning arm comprises a first turning arm, the first turning arm being pivotally connected to the connecting base through a pin shaft and being switchable between an unfolded position and a folded position, and wherein the bracket connecting assembly is further provided with an auxiliary reset member, an end of the auxiliary reset member being connected to the connecting base, another end of the auxiliary reset member abutting against the first turning arm, and the auxiliary reset member biasing the first turning arm to rotate towards the unfolded position.

25. The bracket connecting structure according to claim 24, wherein the auxiliary reset member comprises: two spring body portions; two first end portions; and a second end portion connected to the two spring body portions, wherein the first turning arm is pivotally connected to the connecting base through the pin shaft, the two spring body portions are sleeved on the pin shaft and respectively located at two opposite sides of the first turning arm, and wherein the two first end portions abut against the connecting base, and the second end portion abuts against the first turning arm and is located between the first turning arm and a second turning arm.

26. A child carrier, comprising the bracket connecting structure according to any one of claims1 to 25.

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