Connecting device for child carrier and child carrier and child crib

Abstract

A connecting device for a child carrier, a child carrier and a child crib are provided. The child carrier includes a carrier body and an accessory, the carrier body including at least one first rod, the accessory including at least one second rod. The connecting device is configured to connect the accessory to the carrier body and includes: a fixing base connected to the second rod and configured to accommodate the first rod; an operating member slidably connected to the fixing base; and an engaging member connected to the operating member. The sliding of the operating member along the fixing base is capable of driving the engaging member to be switched between a locking position and an unlocking position.

What is claimed is: 
     
         1 . A connecting device for a child carrier, comprising:
 a carrier body and an accessory for being mounted on the carrier body, the carrier body comprising at least one first rod, the accessory comprising at least one second rod;   wherein the connecting device is configured to connect the accessory to the carrier body, the connecting device comprises:   a fixing base connected to the second rod and configured to accommodate the first rod;   an operating member slidably connected to the fixing base; and   an engaging member connected to the operating member,   wherein sliding of the operating member along the fixing base is capable of driving the engaging member to be switched between a locking position and an unlocking position, in the locking position, the engaging member is capable of being engaged with the first rod to prevent the first rod separating from the fixing base; in the unlocking position, the engaging member is disengaged from the first rod, such that the first rod is capable of being separated from the fixing base.   
     
     
         2 . The connecting device according to  claim 1 , wherein the connecting device comprises a driving member, one end of the driving member is pivotally connected to the operating member, and the other end of the driving member is pivotally connected to the engaging member, the sliding of the operating member along the fixing base drives the driving member to pivot relative to the operating member and the engaging member, so as to drive the engaging member to be switched between the locking position and the unlocking position. 
     
     
         3 . The connecting device according to  claim 2 , wherein the driving member comprises a driving member body, ends of the driving member body are provided with connecting protrusions on both sides respectively, and
 the operating member and/or the engaging member are/is provided with mounting grooves and connecting holes perpendicular to the mounting grooves, wherein,   when the driving member is connected to the operating member, the ends of the driving member body are inserted into the operating member and/or the engaging member along the mounting groove, such that the connecting protrusion is fitted into the connecting hole, and the driving member is pivotably connected to the operating member and/or the engaging member.   
     
     
         4 . The connecting device according to  claim 3 , wherein each of the ends of the driving member body is provided with a deformation space, the deformation space is provided between the connecting protrusions at the ends of the driving member body, such that the protrusions are capable of being fitted into the connecting holes by sliding in the mounting grooves. 
     
     
         5 . The connecting device according to  claim 4 , wherein each of the ends of the driving member body is provided with an elastic branching part, the elastic branching parts are provided opposite to each other and are spaced apart to form the deformation space, and with an aid of the deformation space, the elastic branching parts are movable close to each other under an action of an external force. 
     
     
         6 . The connecting device according to  claim 1 , wherein the engaging member is provided with a pivoting shaft, the engaging member is pivotally connected to the operating member through the pivoting shaft, and the pivoting shaft is pivotable in the guiding part of the operating member, such that the engaging member is switched between the locking position and the unlocking position. 
     
     
         7 . The connecting device according to  claim 6 , wherein the engaging member is further provided with a limiting protrusion, the limiting protrusion is located on a side of the engaging member opposite to the pivoting shaft, and when the engaging member is in the locking position and the unlocking position, the limiting protrusion respectively abuts against a limiting wall of the operating member to limit a rotation stroke of the engaging member. 
     
     
         8 . The connecting device according to  claim 1 , wherein one of the fixing base and the operating member is provided with a sliding rail, and the other of the fixing base and the operating member is provided with a sliding groove, the sliding rail and the sliding groove are mated with each other to achieve the sliding of the operating member in the fixing base. 
     
     
         9 . The connecting device according to  claim 1 , wherein the first rod is provided with an engaging part, and the operating member is provided with an engaging rib, the engaging part is configured to mate with the engaging rib to position the accessory on the carrier body. 
     
     
         10 . A child carrier, comprising the connecting device according to  claim 1 . 
     
     
         11 . A child crib, comprising:
 upright posts;   top corner members fixedly connected to the upright posts; and   handrail assemblies connected between the top corner members, the handrail assemblies comprising handrail tubes and handrail seats, the handrail seats being located between the adjacent top corner members, inner ends of the handrail tubes being pivotally connected to the handrail seats, and outer ends of the handrail tubes being pivotally connected to the adjacent top corner members, respectively;   side wall seat cloths including side fence parts surrounding the upright posts; and   an upper sheath part covering the top corner members and the handrail assemblies and comprising an inner side portion and an outer side portion connected to each other, a lower edge of the inner side portion being fixedly connected to the side fence part, a lower edge of the outer side portion being connected to the side fence part through two connecting structures and forming a first opening with the side fence part, the two connecting structures being located on both sides of the handrail seat in an extension direction of the handrail assembly,   wherein the child crib comprises an unfolded state and a folded state and is capable of being converted between the unfolded state and the folded state, and in a process of converting the child crib from the unfolded state to the folded state, the first opening allows the handrail seat to move downward relative to the upper sheath part.   
     
     
         12 . The child crib according to  claim 11 , wherein the lower edge of the inner side portion of the upper sheath part is located below a lower edge of the handrail seat, and the child crib further comprises a guiding element, the guiding element is provided between the handrail seat and the inner side portion of the upper sheath part. 
     
     
         13 . The child crib according to  claim 12 , wherein the guiding element is connected to the inner side portion of the upper sheath part at both ends of the handrail assembly in the extension direction, and the guiding element is elastic, and in the process of the child crib being switched from the unfolded state to the folded state, the guiding element undergoes bending deformation. 
     
     
         14 . The child crib according to  claim 12 , wherein the guiding element is fixedly connected to the handrail seat or integrally formed with the handrail seat, and a lower edge of the guiding element is located below the lower edge of the inner side portion of the upper sheath part. 
     
     
         15 . The child crib according to  claim 11 , wherein the inner side portion of the upper sheath part is provided with an engaging member to attach an accessory device to the child crib. 
     
     
         16 . The child crib according to  claim 11 , further comprising an encasing element, wherein the encasing element is fitted over an inner end of the handrail tube and at least partially encases the handrail seat, in the process of the child crib being switched from the unfolded state to the folded state, the handrail seat encased by the encasing element is exposed from the first opening. 
     
     
         17 . The child crib according to  claim 11 , wherein the encasing element has a sleeve structure that is larger in the middle and smaller at both ends, and the encasing element is provided with connecting structures at both ends to stably fit the encasing element over the inner end of the handrail tube. 
     
     
         18 . The child crib according to  claim 11 , wherein a second opening is formed between the upper sheath part and a side fence part and at a position corresponding to the top corner member, the second opening is configured to mount the upright posts and the handrail assembly into the upper sheath part. 
     
     
         19 . The child crib according to  claim 18 , wherein a portion of the upper sheath part corresponding to the second opening is provided with a connecting member connected to the top corner member, to prevent the upper sheath part from disengaging from the top corner member at the second opening. 
     
     
         20 . The child crib according to  claim 18 , wherein a portion of the upper sheath part corresponding to the second opening is provided with a shielding plate, a lower edge and two side edges of the shielding plate are fixedly connected to the seat cloth, and an opening through which the upright post passes is formed between the shielding plate and the seat cloth.