CN219447100U - Folding convenient baby carrier - Google Patents

Abstract

The utility model discloses a convenient-to-fold baby carrier, which comprises a frame component and a seat component, wherein the seat component comprises a seat supporting seat, a seat part, a backrest part and a seat unlocking mechanism, the seat component is connected with the frame component through the seat supporting seat, a seat locking mechanism is arranged between the seat part and the seat supporting seat, a backrest adjusting control mechanism is arranged between the backrest part and the seat part, when the baby carrier is folded, the backrest adjusting control mechanism is firstly operated to unlock and fold the backrest part relative to the seat part, then the seat unlocking mechanism is operated to link the seat locking mechanism to unlock the seat part relative to the seat supporting seat so as to enable the seat part to fold relative to the frame component, and when the seat part is unlocked, the frame component is linked to unlock and fold the baby carrier.

Description

Folding convenient baby carrier

[ field of technology ]

The utility model relates to the field of children's carriages, in particular to a folding convenient children's carriage.

[ background Art ]

For many strollers, the seat frame and the frame are relatively fixedly connected, that is, the seat frame and the frame cannot be separated for use, and for the type of strollers, the seat frame and the frame cannot be separated for replacement, so that for many users, the use of the strollers means that after a period of time, the strollers cannot be used continuously along with the growth of infants of the users, and other functional components such as the sleeping basket cannot be replaced for infants, so that the practicability and the applicability of the type of strollers are reduced.

The present utility model has been made in view of the above problems.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provide the convenient and fast folding baby carriage, after the backrest part is unlocked and folded relative to the seat part by firstly operating the backrest adjusting control mechanism, the seat unlocking mechanism is operated to link the seat locking mechanism to release the locking state of the seat part relative to the seat supporting seat so as to enable the seat part to be folded relative to the frame assembly, and when the seat part is unlocked, the frame assembly is linked to unlock and fold.

In order to solve the technical problems, the utility model provides a convenient-to-fold baby carriage, which comprises: the seat assembly comprises a seat supporting seat, a seat part and a backrest part, wherein the seat supporting seat is used for being connected with the frame assembly, the seat part is rotatably connected with the seat supporting seat, the backrest part is rotatably connected with the seat part, a seat locking mechanism used for locking the seat part relative to the seat supporting seat is arranged between the seat part and the seat supporting seat, a backrest adjusting control mechanism used for locking or releasing locking adjustment of the backrest part relative to the seat part is arranged between the backrest part and the seat part, and the seat assembly further comprises a seat unlocking mechanism used for linking the seat locking mechanism to release the locking state of the seat part relative to the seat supporting seat after the backrest part is folded relative to the seat part so that the seat part is folded relative to the frame assembly.

The convenient and fast folding baby carrier is characterized in that the seat assembly further comprises the armrest assembly rotatably connected with the seat part, and the armrest assembly can be unlocked by the backrest part in a linkage manner to fold the backrest part relative to the seat part.

The convenient-to-fold baby carrier is characterized in that the armrest locking mechanism for locking the armrest assembly relative to the seat part is arranged between the armrest assembly and the seat part, and the armrest locking mechanism is unlocked in a linkage manner when the backrest part is folded to a preset angle.

The convenient-to-fold baby carrier comprises the armrest connecting seat, wherein the armrest connecting seat is rotatably connected with the seat joint seat of the seat part, and the backrest part comprises a backrest rod and backrest connecting seats relatively fixedly arranged at two ends of the backrest rod; the armrest locking mechanism comprises an armrest connecting through hole arranged on the armrest connecting seat and an armrest locking piece which can elastically slide along the axial direction relative to the armrest connecting through hole and is used for locking the armrest connecting seat on the seat joint seat; the armrest locking mechanism further comprises an armrest unlocking driving inclined surface which is arranged on the backrest connecting seat and used for pushing the armrest locking piece to unlock the armrest connecting seat relative to the seat joint seat when the backrest connecting seat rotates to a preset angle relative to the seat joint seat.

The baby carriage convenient to fold is characterized in that the inner side wall of the handrail connecting through hole is provided with the handrail seat clamping groove, the handrail locking piece is provided with the handrail locking pin which can be clamped into the handrail seat clamping groove in a sliding mode, the seat joint seat is provided with the handrail guiding hole for the handrail locking pin to pass through for guiding, and one side, far away from the handrail connecting seat, of the handrail locking piece is provided with the handrail locking elastic piece for elastically pushing the handrail locking piece so that the handrail locking pin can be clamped into the handrail seat clamping groove.

The backrest adjusting control mechanism comprises a plurality of backrest locking notches arranged on the seat part at intervals along the circumference and backrest locking clamping tongues slidably arranged on the backrest part for being inserted into the backrest locking notches, and backrest locking elastic pieces capable of enabling the backrest locking clamping tongues to be elastically inserted into the backrest locking notches are arranged between the backrest locking clamping tongues and the backrest part.

The baby carrier convenient to fold is characterized in that the backrest adjusting control mechanism further comprises a backrest unlocking handle rotatably arranged on the backrest and a backrest unlocking cable which is arranged on the backrest and is used for connecting the backrest unlocking handle and the backrest locking clamping tongue.

The convenient-to-fold baby carrier comprises the seat joint seat arranged on the seat part, the opposite sides of the seat joint seat and the seat support seat are respectively provided with a seat locking tooth socket, a seat locking gear which can be simultaneously clamped into the seat locking tooth socket on the seat joint seat and the seat support seat is arranged between the seat joint seat and the seat support seat, and a seat locking elastic piece which is used for elastically pressing the seat locking gear to enable the seat locking gear to be simultaneously clamped into the seat locking tooth socket on the seat joint seat and the seat support seat is arranged between the seat support seat and the seat locking gear; the seat unlocking mechanism comprises a seat unlocking block and a seat unlocking rotary plate, the seat unlocking block is axially slidably arranged on the seat joint seat and used for pushing the seat locking gear to be separated from a seat locking tooth slot of the seat joint seat, the seat unlocking rotary plate is rotatably arranged on the seat part, and the seat unlocking rotary plate and the seat unlocking block are respectively provided with a seat unlocking driving inclined surface which can drive the seat unlocking block to axially slide when the seat unlocking rotary plate rotates.

The baby carrier convenient to fold is characterized in that the seat unlocking through hole is formed in the middle of the seat joint seat, seat limiting convex strips are arranged on the side wall of the seat unlocking through hole in parallel to the axial direction, seat guide grooves used for being in sliding fit with the seat limiting convex strips are formed in the side face of the seat unlocking block, and one end of the seat unlocking block penetrates through the seat unlocking through hole and is in butt fit with the seat unlocking rotary table through the seat unlocking driving inclined plane.

The convenient-to-fold baby carrier is characterized in that the seat unlocking turntable is eccentrically connected with the seat unlocking pull belt for driving the seat unlocking turntable to rotate.

A stroller for facilitating folding as described above, the seat assembly further comprises a seat safety latch mechanism for preventing the seat latch mechanism from releasing the lock of the seat latch mechanism.

A folding and easy child car as described above, the seat assembly including a armrest assembly rotatably coupled to the seat portion, the seat safety latch mechanism being configured to prevent the seat release mechanism from releasing the seat latch mechanism when the armrest assembly is in the extended state.

The convenient-to-fold baby carrier comprises the handrail connecting seat, wherein the seat unlocking mechanism comprises a seat unlocking turntable rotatably arranged on a seat part and a seat unlocking block which is axially and slidably arranged on the seat part and used for unlocking the seat locking mechanism; the seat safety locking mechanism includes a seat blocking block eccentrically disposed on the seat unlocking dial and a armrest blocking block disposed on the armrest coupling seat for abutting against the seat blocking block to block rotation of the seat unlocking dial when the armrest assembly is in the deployed state.

The convenient baby carrier is folded, the frame assembly comprises the front foot rod, the rear foot rod and the hand push rod which can be connected in a mutually rotating mode, a frame locking mechanism for locking the front foot rod, the rear foot rod and the hand push rod is arranged among the front foot rod, the rear foot rod and the hand push rod, and the frame locking mechanism is configured to be unlocked in a linkage mode through the seat unlocking mechanism.

The baby carrier convenient to fold is characterized in that the frame assembly is independently provided with the frame unlocking mechanism for unlocking the frame locking mechanism.

The convenient folding baby carrier is characterized in that the upper end of the front foot rod is provided with the front joint seat, the upper end of the rear foot rod is provided with the rear joint seat, the lower end of the hand push rod is provided with the push rod joint seat positioned between the front joint seat and the rear joint seat, and the push rod joint seat is provided with the push rod joint through hole; the frame locking mechanism comprises frame locking tooth grooves arranged on the inner walls of the through holes of the front joint seat, the rear joint seat and the push rod joint, frame locking gears capable of being clamped into the frame locking tooth grooves on the front joint seat, the push rod joint seat and the rear joint seat simultaneously are arranged between the front joint seat and the rear joint seat, and frame locking elastic pieces for elastically pushing the frame locking gears are arranged between the frame locking gears and the front joint seat so that the frame locking gears are clamped into the frame locking tooth grooves on the front joint seat, the push rod joint seat and the rear joint seat simultaneously; the rear joint seat can axially slide and is provided with a frame unlocking block for pushing the frame locking gear to be separated from the frame locking tooth grooves on the rear joint seat and the push rod joint seat, and the frame unlocking block is configured to be unlocked in a linkage way by the seat unlocking mechanism.

The convenient-to-fold baby carrier comprises a seat unlocking block and a seat unlocking rotary table, wherein the seat unlocking block is axially slidably arranged on the seat part and is used for unlocking a seat locking mechanism, the seat unlocking rotary table is rotatably arranged on the seat part, and the seat unlocking rotary table and the seat unlocking block are respectively provided with a seat unlocking driving inclined plane which can drive the seat unlocking block to axially slide when the seat unlocking rotary table rotates; the seat unlocking mechanism further comprises a frame pushing block which can slide along the axial direction and is positioned between the seat unlocking block and the seat supporting seat, a frame pushing boss is arranged on the frame pushing block, and the outer end of the frame pushing boss can penetrate through the seat supporting seat to be in butt fit with the frame unlocking block.

The convenient folding baby carrier is characterized in that the upper end of the front foot rod is provided with the front joint seat, the upper end of the rear foot rod is provided with the rear joint seat, the lower end of the hand push rod is provided with the push rod joint seat positioned between the front joint seat and the rear joint seat, and the push rod joint seat is provided with the push rod joint through hole; the frame locking mechanism comprises frame locking tooth grooves arranged on the inner walls of the through holes of the front joint seat, the rear joint seat and the push rod joint, frame locking gears capable of being clamped into the frame locking tooth grooves on the front joint seat, the push rod joint seat and the rear joint seat simultaneously are arranged between the front joint seat and the rear joint seat, and frame locking elastic pieces for elastically pushing the frame locking gears are arranged between the frame locking gears and the front joint seat so that the frame locking gears are clamped into the frame locking tooth grooves on the front joint seat, the push rod joint seat and the rear joint seat simultaneously; the rear joint seat can axially slide and is provided with a frame unlocking block for pushing the frame locking gear to be separated from the frame locking tooth grooves on the rear joint seat and the push rod joint seat, and the frame unlocking mechanism is used for driving the frame unlocking block to axially slide.

The baby carrier convenient to fold is characterized in that the frame unlocking mechanism is a frame unlocking pulling block, the middle of the frame unlocking pulling block is rotatably connected with the inner side of the rear joint seat, a pulling block jacking part for jacking the frame unlocking block to slide along the axial direction is formed at the upper end of the frame unlocking block, and a pulling block operating part is formed at the lower end of the frame unlocking block.

Compared with the prior art, the utility model has the following advantages:

1. when the folding seat assembly is unlocked, the backrest adjusting control mechanism is firstly operated to unlock the backrest relative to the seat part, at the moment, the backrest can be operated to rotate towards the front side of the seat part until the backrest and the seat part are closed and folded, then the seat unlocking mechanism is operated to unlock the seat locking mechanism, and the locking state of the seat part relative to the seat supporting seat is further released, at the moment, the seat part can be operated to drive the backrest to rotate towards the front side of the frame assembly until the seat part and the frame assembly are closed and folded, and the folding work of the seat assembly and the frame assembly is completed.

2. The seat assembly further comprises a seat safety locking mechanism for preventing the seat unlocking mechanism from unlocking the seat locking mechanism, the seat unlocking mechanism and the seat safety locking mechanism realize the two-lock structure function, and a user can be prevented from misoperation of the seat unlocking mechanism to unlock and fold the seat locking mechanism, so that the safety and the reliability of the child car in the use process are further ensured.

3. The seat safety locking mechanism is configured to prevent the seat unlocking mechanism from unlocking the seat locking mechanism when the armrest assembly is in an unfolded state, and the seat safety locking mechanism is used for preventing the seat unlocking mechanism from being unlocked when the armrest assembly is folded or after the armrest assembly is folded, namely, the seat safety locking mechanism can be unlocked without the need of a user to operate the seat safety locking mechanism, so that the seat safety locking mechanism has the characteristics of convenience in unlocking and reasonable and scientific design.

4. When the seat assembly is connected to the frame assembly, the frame unlocking mechanism is hidden by the seat assembly, so that a user can be prevented from misoperation of the frame unlocking mechanism to unlock the frame locking mechanism, and the frame unlocking mechanism is safe, reliable and reasonable in design.

[ description of the drawings ]

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

fig. 1 is a perspective view of the present utility model.

Fig. 2 is a side view of the frame assembly and seat assembly of the present utility model in an expanded condition.

FIG. 3 is a side view of the present utility model with the back portion in a collapsed position relative to the seat portion and the seat portion in an expanded position relative to the frame assembly.

Fig. 4 is a side view of the frame assembly and seat assembly of the present utility model in a collapsed condition.

FIG. 5 is a schematic view of the frame assembly and the seat assembly according to the present utility model.

Fig. 6 is an exploded view of one of the frame locking mechanisms of the present utility model.

FIG. 7 is a second exploded view of the locking mechanism of the vehicle frame of the present utility model.

FIG. 8 is a schematic view of a part of a frame assembly according to the present utility model.

Fig. 9 is an exploded view of one of the seat assemblies of the present utility model.

Fig. 10 is a second exploded view of the seat assembly of the present utility model.

Fig. 11 is a schematic structural view of a seat unlocking dial in the present utility model.

Fig. 12 is a schematic structural view of a backrest connecting seat in the present utility model.

Fig. 13 is a schematic structural view of the armrest connecting seat in the present utility model.

Fig. 14 is a schematic structural view of the handrail locking device according to the present utility model.

Fig. 15 is a schematic view of the structure of the seat unlocking block in the present utility model.

Fig. 16 is a schematic view of the structure of a seat part in the present utility model.

[ detailed description ] of the utility model

Embodiments of the present utility model are described in detail below with reference to fig. 1-16.

As shown in fig. 1-4, 9 and 10, the baby carriage convenient to fold comprises: the seat assembly 2 comprises a seat support 21 connected with the frame assembly 1, a seat part 22 rotatably connected with the seat support 21 and a backrest part 23 rotatably connected with the seat part 22, a seat locking mechanism 3 used for locking the seat part 22 relative to the seat support 21 is arranged between the seat part 22 and the seat support 21, a backrest adjusting control mechanism 4 used for locking or releasing locking adjustment of the backrest part 23 relative to the seat part 22 is arranged between the backrest part 23 and the seat part 22, and the seat assembly 2 further comprises a seat unlocking mechanism 5 used for linking the seat locking mechanism 3 to release the locking state of the seat part 22 relative to the seat support 21 after the backrest part 23 is folded relative to the seat part 22 so as to enable the seat part 22 to be folded relative to the frame assembly 1. When the folding seat assembly is unlocked, the backrest adjusting control mechanism is firstly operated to unlock the backrest relative to the seat part, at the moment, the backrest part can be operated to rotate towards the front side of the seat part until the backrest part and the seat part are close to each other for folding, then the seat unlocking mechanism is operated to unlock the seat locking mechanism, and the locking state of the seat part relative to the seat supporting seat is further released, at the moment, the seat part can be operated to drive the backrest part to rotate towards the front side of the frame assembly until the seat part and the frame assembly are close to each other for folding, and the folding work of the seat assembly and the frame assembly is completed. The utility model adopts a step-by-step unlocking mode, can conveniently control the unlocking of the backrest part and the unlocking of the seat part, finally, the unlocking of the linkage frame assembly is performed, and the utility model has the characteristics of safe and reliable operation, and correspondingly provides a scheme of replacing the seat assembly for a user, thereby bringing better use experience for the user.

As shown in fig. 1-4, 9, 10 and 13, for easy unlocking and folding, the seat assembly 2 further includes a armrest assembly 24 rotatably connected to the seat portion 22, and the armrest assembly 24 can be unlocked and folded by the backrest portion 23 in a linkage manner during folding of the backrest portion 23 relative to the seat portion 22. A armrest locking mechanism 6 for locking the armrest assembly 24 relative to the seat 22 is arranged between the armrest assembly 24 and the seat 22, and the armrest locking mechanism 6 is unlocked in a linkage manner when the backrest 23 is folded to a preset angle.

As shown in fig. 9, 10 and 13, the armrest assembly 24 includes an armrest connecting seat 241, the armrest connecting seat 241 is rotatably connected with the seat joint seat 221 of the seat portion 22, and the backrest portion 23 includes a backrest bar 231 and backrest connecting seats 232 relatively fixedly disposed at both ends of the backrest bar 231; the armrest locking mechanism 6 includes an armrest connecting through hole 61 provided on the armrest connecting seat 241 and an armrest locking piece 62 elastically slidable in the axial direction with respect to the armrest connecting through hole 61 for locking the armrest connecting seat 241 to the seat joint seat 221; the armrest locking mechanism 6 further includes an armrest unlocking driving inclined plane 63 disposed on the backrest connecting seat 232 and configured to push the armrest locking member 62 to unlock the armrest connecting seat 241 with respect to the seat joint seat 221 when the backrest connecting seat 232 rotates to a predetermined angle with respect to the seat joint seat 221. The inner side wall of the armrest connecting hole 61 is provided with an armrest seat clamping groove 611, the armrest locking piece 62 is provided with an armrest locking pin 621 which can be clamped into the armrest seat clamping groove 611 in a sliding manner, the seat joint seat 221 is provided with an armrest guiding hole 2211 for the armrest locking pin 621 to pass through for guiding, and one side of the armrest locking piece 62 far away from the armrest connecting seat 241 is provided with an armrest locking elastic piece 64 for elastically pressing the armrest locking piece 62 so that the armrest locking pin 621 is clamped into the armrest seat clamping groove 611. After the backrest portion 23 is unlocked relative to the seat portion 22 by the backrest adjusting control mechanism 4, the backrest portion 23 is rotated toward the front side of the seat portion 22, and during the rotation of the backrest portion 23, the armrest unlocking driving inclined surface 63 of the backrest connecting seat 232 cooperates with the armrest unlocking driving inclined surface 63 of the armrest locking member 62 to drive the pushing armrest locking member 62 to slide in the axial direction, i.e., the armrest lock pin 621 of the pushing armrest locking member 62 is withdrawn from the armrest seat clamping groove 611, thereby unlocking the armrest connecting seat 241 relative to the seat joint seat 221, and the backrest portion 23 is continuously rotated toward the front side of the seat portion 22, as shown in fig. 3.

As shown in fig. 9, 10 and 16, the backrest adjustment control mechanism 4 includes a plurality of backrest locking notches 41 provided at circumferentially spaced intervals on the seat portion 22 and backrest locking tabs 42 slidably provided on the backrest portion 23 for insertion into the backrest locking notches 41, and backrest locking elastic members 43 capable of maintaining the backrest locking tabs 42 elastically inserted into the backrest locking notches 41 are provided between the backrest locking tabs 42 and the backrest portion 23. The backrest adjustment control mechanism 4 further includes a backrest unlocking handle 45 rotatably provided on the backrest portion 23, and a backrest unlocking cable 44 provided on the backrest portion 23 for connecting the backrest unlocking handle 45 with the backrest locking latch 42. During unlocking, the backrest unlocking handle 45 is operated to rotate relative to the backrest 23, namely, the backrest unlocking handle 45 pulls the backrest locking clamp tongue 42 to slide upwards relative to the backrest 23 through the backrest unlocking cable 44, so that the locking end of the backrest locking clamp tongue 42 exits the backrest locking notch 41, and unlocking of the backrest 23 relative to the seat 22 is completed. When the angle between the backrest portion 23 and the seat portion 22 is required to be adjusted to adjust the inclination of the backrest portion 23, a user only needs to control and operate the backrest unlocking handle 45, so that the backrest locking clamping tongues 42 are inserted into the corresponding backrest locking notches 41, and the backrest locking clamping tongues have the characteristic of convenient adjustment.

As shown in fig. 9-11, 15 and 16, the seat locking mechanism 3 comprises a seat joint seat 221 arranged on the seat portion 22, seat locking tooth slots 31 are arranged on opposite sides of the seat joint seat 221 and the seat support seat 21, a seat locking gear 32 capable of being simultaneously clamped into the seat locking tooth slots 31 on the seat joint seat 221 and the seat support seat 21 is arranged between the seat joint seat 221 and the seat support seat 21, and a seat locking elastic piece 33 for elastically pressing the seat locking gear 32 is arranged between the seat support seat 21 and the seat locking gear 32 so that the seat locking gear 32 is simultaneously clamped into the seat locking tooth slots 31 on the seat joint seat 221 and the seat support seat 21; the seat unlocking mechanism 5 comprises a seat unlocking block 51 which is arranged on the seat joint seat 221 in a sliding way along the axial direction and is used for pushing the seat locking gear 32 to be separated from the seat locking tooth groove 31 of the seat joint seat 221, and a seat unlocking rotary table 52 which is rotatably arranged on the seat part 22, wherein the seat unlocking rotary table 52 and the seat unlocking block 51 are respectively provided with a seat unlocking driving inclined plane 53 which can drive the seat unlocking block 51 to slide along the axial direction when the seat unlocking rotary table 52 rotates. For convenience of use, the seat unlocking dial 52 is eccentrically connected with a seat unlocking pull strap 55 for driving the seat unlocking dial 52 to rotate. During unlocking, the user operates the seat unlocking pull strap 55 to drive the seat unlocking turntable 52 to rotate, and during the rotation of the seat unlocking turntable 52, the seat unlocking driving inclined surface 53 pushes the seat unlocking block 51 to slide axially, and the seat unlocking block 51 further pushes the seat locking gear 32 to disengage from the seat locking slot 31 of the seat joint seat 221, so that the locking state of the seat portion 22 relative to the seat support 21 is released.

As shown in fig. 9, 10, 15, and 16, in order to ensure that the seat unlocking block 51 slides stably and smoothly along the axial direction, a seat unlocking through hole 2212 is provided in the middle of the seat joint seat 221, a seat limiting protruding strip 2213 is provided on a side wall of the seat unlocking through hole 2212 parallel to the axial direction, a seat guiding groove 511 for sliding fit with the seat limiting protruding strip 2213 is provided on a side surface of the seat unlocking block 51, and one end of the seat unlocking block 51 passes through the seat unlocking through hole 2212 and is in butt fit with the seat unlocking turntable 52 through a seat unlocking driving inclined plane 53.

As shown in fig. 9, 10, 11 and 13, the seat assembly 2 further includes a seat safety locking mechanism 7 for preventing the seat unlocking mechanism 5 from unlocking the seat locking mechanism 3, and the seat safety locking mechanism 7 can avoid a user from misoperation of the seat unlocking mechanism to unlock and fold the seat locking mechanism, so that the safety and reliability characteristics of the child car in use are further ensured.

As shown in fig. 9, 10, 11, 13, the seat assembly 2 includes a armrest assembly 24 rotatably coupled to the seat portion 22, and the seat safety latch mechanism 7 is configured to prevent the seat latch mechanism 3 from being unlocked by the seat latch mechanism 5 when the armrest assembly 24 is in the extended state, and to allow the armrest assembly 24 to be unlocked and folded back relative to the unlocked and folded back portion, i.e., to allow stepwise unlocking. Specifically, when the armrest assembly is folded or after being folded, the seat safety locking mechanism withdraws the blocking of the seat unlocking mechanism, and a user does not need to operate the seat safety locking mechanism again to unlock the seat locking mechanism, so that the armrest assembly is convenient to unlock and reasonable in design.

As shown in fig. 9, 10, 11, 13, the armrest assembly 24 includes an armrest connecting seat 241, and the seat unlocking mechanism 5 includes a seat unlocking dial 52 rotatably provided on the seat portion 22 and a seat unlocking block 51 axially slidably provided on the seat portion 22 for unlocking the seat locking mechanism 3; the seat safety latch mechanism 7 includes a seat blocking block 71 eccentrically disposed on the seat release dial 52 and a armrest blocking block 72 disposed on the armrest coupling seat 241 for abutting the seat blocking block 71 to block rotation of the seat release dial 52 when the armrest assembly 24 is in the deployed state. When the locked state of the armrest assembly 24 is released, the armrest assembly 24 is operated to rotate and fold toward the front side of the seat portion 22, and the armrest stopper 72 is separated from the seat stopper 71 during the rotation of the armrest assembly 24, thereby releasing the seat lock mechanism 3 by operating the seat lock mechanism.

As shown in fig. 1 to 10, in order to facilitate the corresponding unlocking and folding of the frame assembly after the seat assembly is folded, the frame assembly 1 includes a front foot bar 11, a rear foot bar 12 and a hand push bar 13 which are rotatably connected with each other, a frame locking mechanism 8 for locking the front foot bar 11, the rear foot bar 12 and the hand push bar 13 is disposed between the front foot bar 11, the rear foot bar 12 and the hand push bar 13, and the frame locking mechanism 8 is configured to be capable of being unlocked by the seat unlocking mechanism 5 in a linkage manner.

As shown in fig. 5-10, the upper end of the front foot rod 11 is provided with a front joint seat 111, the upper end of the rear foot rod 12 is provided with a rear joint seat 121, the lower end of the hand push rod 13 is provided with a push rod joint seat 131 positioned between the front joint seat 111 and the rear joint seat 121, and the push rod joint seat 131 is provided with a push rod joint through hole 1311; the frame locking mechanism 8 comprises frame locking tooth slots 81 arranged on the inner walls of the front joint seat 111, the rear joint seat 121 and the push rod joint through hole 1311, a frame locking gear 82 capable of being simultaneously clamped into the frame locking tooth slots 81 on the front joint seat 111, the push rod joint seat 131 and the rear joint seat 121 is arranged between the front joint seat 111 and the rear joint seat 121, a frame locking elastic piece 83 is arranged between the frame locking gear 82 and the front joint seat 111, and the frame locking elastic piece 83 is used for elastically pushing the frame locking gear 82 so that the frame locking gear 82 is simultaneously clamped into the frame locking tooth slots 81 on the front joint seat 111, the push rod joint seat 131 and the rear joint seat 121; the rear joint seat 121 is provided with a frame unlocking block 84 for pushing the frame locking gear 82 to be separated from the frame locking tooth groove 81 on the rear joint seat 121 and the push rod joint seat 131 in an axially sliding manner, and the frame unlocking block 84 is configured to be unlocked in a linkage manner by the seat unlocking mechanism 5.

The seat unlocking mechanism 5 comprises a seat unlocking block 51 which is arranged on the seat part 22 in a sliding way along the axial direction and used for unlocking the seat locking mechanism 3, and a seat unlocking rotary table 52 which is rotatably arranged on the seat part 22, wherein the seat unlocking rotary table 52 and the seat unlocking block 51 are respectively provided with a seat unlocking driving inclined plane 53 which can drive the seat unlocking block 51 to slide along the axial direction when the seat unlocking rotary table 52 rotates; the seat unlocking mechanism 5 further comprises a frame pushing block 54 which can slide along the axial direction and is positioned between the seat unlocking block 51 and the seat supporting seat 21, the frame pushing block 54 is provided with a frame pushing boss 541, and the outer end of the frame pushing boss 541 can penetrate through the seat supporting seat 21 to be in butt fit with the frame unlocking block 84. During unlocking, a user operates the seat unlocking turntable 52 to rotate, in the process of rotating the seat unlocking turntable 52, the seat unlocking driving inclined surface 53 pushes the seat unlocking block 51 to axially slide, the seat unlocking block 51 pushes the frame pushing block 54 to axially slide, the frame pushing boss 541 pushes the frame unlocking block 84 to axially slide, then the frame unlocking block 84 pushes the frame locking gear 82 to separate from the frame locking tooth grooves 81 on the rear joint seat 121 and the push rod joint seat 131, so that unlocking of the frame assembly 1 is completed, and the frame assembly 1 can be correspondingly folded.

As shown in fig. 4, when the seat assembly 2 and the frame assembly 1 are in a folded state to be vertically placed, the seat unlocking pull strap 55 is located at an upper position, and a user can lift the seat unlocking pull strap 55 to lift the child car without bending down, thereby facilitating use.

As shown in fig. 6-8, the frame assembly 1 is independently provided with a frame unlocking mechanism 9 for unlocking the frame locking mechanism 8. In the present utility model, the seat assembly 2 is detachably connected to the frame assembly 1. When the seat assembly 2 is connected to the frame assembly 1, the frame locking mechanism 8 can be unlocked through the linkage of the seat unlocking mechanism 5 or through the frame unlocking mechanism 9, and the frame unlocking mechanism 9 is used for driving the frame unlocking block 84 to slide along the axial direction. When the seat assembly 2 is detached from the frame assembly 1, the frame locking mechanism 8 can be unlocked by the frame unlocking mechanism 9, so that a user can unlock the frame assembly 1 for folding. In the present utility model, the frame unlocking mechanism 9 may be constituted by a frame unlocking block 84. When unlocking, a user only needs to operate the frame unlocking block 84 to slide along the axial direction to push the frame locking gear 82 to separate from the frame locking tooth grooves 81 on the rear joint seat 121 and the push rod joint seat 131, so that unlocking of the frame assembly 1 is completed.

In this embodiment, when the seat assembly 2 is connected to the frame assembly 1, the frame unlocking mechanism 9 is hidden by being shielded by the seat assembly 2, so that the user can be prevented from operating the frame unlocking mechanism 9 by mistake to unlock the frame locking mechanism 8, and if the frame locking mechanism 8 needs to be unlocked, the seat unlocking mechanism 5 can be used for unlocking in a linkage manner.

As shown in fig. 6-8, for the convenience of unlocking operation, the frame unlocking mechanism 9 is a frame unlocking plate, the middle part of the frame unlocking plate is rotatably connected with the inner side of the rear joint seat 121, the upper end of the frame unlocking plate is provided with a plate pushing part for pushing the frame unlocking block 84 to slide along the axial direction, and the lower end of the frame unlocking plate is provided with a plate operation part. When unlocking, a user operates the pulling block operating part to rotate outwards relative to the rear joint seat 121, so that the pulling block jacking part rotates inwards relative to the rear joint seat 121 to jack the frame unlocking block 84 to slide along the axial direction, and further pushes the frame locking gear 82 to separate from the frame locking tooth grooves 81 on the rear joint seat 121 and the push rod joint seat 131, thereby unlocking the frame assembly 1 is completed.

As shown in fig. 6 to 10, a support seat connection mechanism for detachably connecting the seat support 21 to the rear leg bar 12 is provided between the seat support 21 and the rear leg bar 12. Preferably, the support base connection mechanism 210 includes an insertion groove 2101 provided on the rear joint base 121 and an insertion projection 2102 provided on the seat support base 21 and used for being in insertion fit with the insertion groove 2101, the rear joint base 121 is provided with a support base locking hole 2103, the seat support base 21 is axially slidably provided with a support base locking block 2104 for being inserted into the support base locking hole 2103 to prevent the separation of the insertion projection 2102 from the insertion groove 2101, the seat support base 21 is vertically slidably provided with a support base driving block 2105 for driving the support base locking block 2104 to slide along an axial direction to be inserted into the support base locking hole 2103, and the support base driving block 2105 and the support base locking block 2104 are respectively provided with a support base driving inclined surface 2106 capable of driving the support base locking block 2104 to slide laterally relative to the seat support base 21 when the support base 2105 slides downward relative to the seat support base 21, so that unlocking is convenient. In this embodiment, the support locking block 2104 is elastically connected to the seat bracket 21 so that the support locking block 2104 is inserted into the support locking hole 2103, and the connection structure of the seat assembly and the frame assembly is ensured to be stable. When the seat assembly needs to be detached from the frame assembly, the user presses the supporting seat driving block 2105 to slide downwards relative to the seat support seat 21, and then the supporting seat driving inclined surface 2106 of the supporting seat driving block 2105 is matched with the supporting seat driving inclined surface 2106 of the supporting seat locking block 2104 to drive the supporting seat locking block 2104 to slide transversely relative to the seat support seat 21, so that the locking end of the supporting seat locking block 2104 is withdrawn from the supporting seat locking hole 2103, and at the moment, the seat support seat 21 of the seat assembly 2 is operated to move upwards relative to the rear leg rod 12, so that the inserting projection 2102 is withdrawn from the upper opening of the inserting groove 2101, and the disassembly work of the seat assembly 2 is completed.

When folding is performed, as shown in fig. 2-4, the backrest unlocking handle 45 is operated to rotate relative to the backrest 23, that is, the backrest unlocking handle 45 pulls the backrest locking clamping tongue 42 to slide upwards relative to the backrest 23 through the backrest unlocking cable 44, so that the locking end of the backrest locking clamping tongue 42 exits the backrest locking notch 41, and unlocking of the backrest 23 relative to the seat 22 is completed;

during the rotation of the backrest connecting seat 232, the armrest unlocking driving inclined plane 63 abuts against the armrest unlocking driving inclined plane 63 to drive the pushing armrest locking member 62 to slide axially, so that the armrest locking pin 621 exits the armrest seat clamping groove 611, thereby releasing the locking state of the armrest connecting seat 241 relative to the seat joint seat 221, and then the backrest portion 23 is operated to rotate towards the front side of the seat portion 22.

During the rotation of the armrest connecting base 241, the armrest blocking piece 72 is separated from the seat blocking piece 71 to cancel the blocking of the seat unlocking mechanism, and the seat unlocking dial 52 can rotate relative to the seat joint base 221; then, the user operates the seat unlocking pull belt 55 to drive the seat unlocking turntable 52 to rotate, the seat unlocking driving inclined surface 53 pushes the seat unlocking block 51 to axially slide, the seat unlocking block 51 pushes the seat locking gear 32 to separate from the seat locking tooth slot 31 of the seat joint seat 221, so that the locking state of the seat part 22 relative to the seat supporting seat 21 is released, at the moment, the seat part 22 can be operated to drive the armrest assembly 24 and the backrest part 23 to rotate and fold towards the frame assembly 1, and at the same time, the pushing seat unlocking block 51 pushes the frame pushing block 54 to axially slide, so that the frame pushing boss 541 pushes the frame unlocking block 84 to axially slide, and then the frame unlocking block 84 pushes the frame locking gear 82 to separate from the frame locking tooth slot 81 on the rear joint seat 121 and the push rod joint seat 131, and at the moment, the front foot rod 11 and the push rod 13 can be operated to rotate and fold towards the rear foot rod 12, so that the whole folding work of the seat assembly and the frame assembly of the baby carrier is completed.

Claims (19)

1. A child's vehicle that is convenient to fold up, characterized by comprising:

a frame assembly (1);

the seat assembly (2), seat assembly (2) including be used for with frame assembly (1) be connected seat supporting seat (21), with seat supporting seat (21) rotatable connection's seat portion (22) and rotatable connection's of seat portion (22 back portion (23), be equipped with between seat portion (22) and seat supporting seat (21) be used for with seat portion (22) relative seat supporting seat (21) locking mechanism (3), be equipped with between back portion (23) and seat portion (22) be used for with back portion (23) relative seat portion (22) locking or carry out the back adjustment control mechanism (4) of releasing the locking adjustment, seat assembly (2) still include be used for linking seat locking mechanism (3) again and release seat portion (22) relative seat supporting seat (21) locking state so that seat portion (22) are folding seat unlocking mechanism (5) relative frame assembly (1) after back portion (23) are folded.

2. A convenient and fast folding child car according to claim 1, characterized in that the seat assembly (2) further comprises a handle assembly (24) rotatably connected to the seat portion (22), the handle assembly (24) being capable of being unlocked and folded by the backrest portion (23) in a linkage manner during folding of the backrest portion (23) relative to the seat portion (22).

3. A convenient and fast folding child car according to claim 2, characterized in that a armrest locking mechanism (6) for locking the armrest assembly (24) relative to the seat part (22) is arranged between the armrest assembly (24) and the seat part (22), and the armrest locking mechanism (6) is unlocked in a linkage manner when the backrest part (23) is folded to a preset angle.

4. A folding and easy child car according to claim 3, characterized in that the armrest assembly (24) comprises an armrest connection base (241), the armrest connection base (241) being rotatably connected with the seat joint base (221) of the seat part (22), the backrest part (23) comprising a backrest rod (231) and backrest connection bases (232) arranged relatively fixedly at both ends of the backrest rod (231);

the armrest locking mechanism (6) comprises an armrest connecting through hole (61) arranged on the armrest connecting seat (241) and an armrest locking piece (62) which can elastically slide along the axial direction relative to the armrest connecting through hole (61) and is used for locking the armrest connecting seat (241) on the seat joint seat (221);

the armrest locking mechanism (6) further comprises an armrest unlocking driving inclined plane (63) which is arranged on the backrest connecting seat (232) and is used for pushing the armrest locking piece (62) to unlock the armrest connecting seat (241) relative to the seat joint seat (221) when the backrest connecting seat (232) rotates to a preset angle relative to the seat joint seat (221).

5. The convenient and fast folding baby carrier according to claim 4, characterized in that the inner side wall of the armrest connecting through hole (61) is provided with an armrest seat clamping groove (611), the armrest locking piece (62) is provided with an armrest locking pin (621) which can be slidably clamped into the armrest seat clamping groove (611), the seat joint seat (221) is provided with an armrest guiding hole (2211) for the armrest locking pin (621) to pass through for guiding, and one side of the armrest locking piece (62) far away from the armrest connecting seat (241) is provided with an armrest locking elastic piece (64) for elastically pressing the armrest locking piece (62) so that the armrest locking pin (621) is clamped into the armrest seat clamping groove (611).

6. The convenient-to-fold child car as claimed in claim 1, wherein the backrest adjustment control mechanism (4) includes a plurality of backrest locking notches (41) provided on the seat portion (22) at intervals along a circumference and backrest locking tabs (42) slidably provided on the backrest portion (23) for insertion into the backrest locking notches (41), backrest locking elastic members (43) capable of keeping the backrest locking tabs (42) elastically inserted into the backrest locking notches (41) being provided between the backrest locking tabs (42) and the backrest portion (23).

7. The convenient-to-fold child car as claimed in claim 6, wherein the backrest adjustment control mechanism (4) further comprises a backrest unlocking handle (45) rotatably provided on the backrest portion (23) and a backrest unlocking cable (44) provided on the backrest portion (23) and connecting the backrest unlocking handle (45) with the backrest locking latch (42).

8. A convenient and fast folding child car according to claim 1, characterized in that the seat locking mechanism (3) comprises a seat joint seat (221) arranged on the seat part (22), seat locking tooth grooves (31) are arranged on opposite sides of the seat joint seat (221) and the seat supporting seat (21), a seat locking gear (32) capable of being simultaneously clamped into the seat locking tooth grooves (31) on the seat joint seat (221) and the seat supporting seat (21) is arranged between the seat joint seat (221) and the seat supporting seat (21), and a seat locking elastic piece (33) for elastically pressing the seat locking gear (32) to enable the seat locking gear (32) to be simultaneously clamped into the seat locking tooth grooves (31) on the seat joint seat (221) and the seat supporting seat (21) is arranged between the seat supporting seat (21) and the seat locking gear (32);

the seat unlocking mechanism (5) comprises a seat unlocking block (51) which is arranged on the seat joint seat (221) in a sliding way along the axial direction and is used for pushing the seat locking gear (32) to be separated from a seat locking tooth groove (31) of the seat joint seat (221), and a seat unlocking rotary table (52) which is rotatably arranged on the seat part (22), wherein the seat unlocking rotary table (52) and the seat unlocking block (51) are respectively provided with a seat unlocking driving inclined plane (53) which can drive the seat unlocking block (51) to slide along the axial direction when the seat unlocking rotary table (52) rotates.

9. The convenient and fast folding baby carrier of claim 8, wherein a seat unlocking through hole (2212) is formed in the middle of the seat joint seat (221), a seat limiting raised line (2213) is arranged on the side wall of the seat unlocking through hole (2212) in parallel to the axial direction, a seat guide groove (511) used for being in sliding fit with the seat limiting raised line (2213) is formed in the side face of the seat unlocking block (51), and one end of the seat unlocking block (51) penetrates through the seat unlocking through hole (2212) to be in butt fit with the seat unlocking turntable (52) through a seat unlocking driving inclined plane (53).

10. A conveniently foldable buggy according to claim 8 or 9, characterized in that the seat unlocking dial (52) is eccentrically connected with a seat unlocking pull strap (55) for driving the seat unlocking dial (52) to rotate.

11. A folding portable buggy according to claim 1, characterized in that the seat assembly (2) further comprises a seat safety locking mechanism (7) for preventing the seat unlocking mechanism (5) from unlocking the seat locking mechanism (3).

12. A folding portable buggy according to claim 11, characterized in that the seat assembly (2) comprises a armrest assembly (24) rotatably connected to the seat part (22), the seat safety locking mechanism (7) being configured for preventing the seat unlocking mechanism (5) from unlocking the seat locking mechanism (3) when the armrest assembly (24) is in the unfolded state.

13. A folding portable buggy according to claim 12, characterized in that the armrest assembly (24) comprises an armrest connection seat (241), the seat unlocking mechanism (5) comprising a seat unlocking dial (52) rotatably provided on the seat part (22) and a seat unlocking block (51) axially slidably provided on the seat part (22) for unlocking the seat locking mechanism (3);

the seat safety locking mechanism (7) comprises a seat blocking block (71) eccentrically arranged on the seat unlocking turntable (52) and a handrail blocking block (72) arranged on the handrail connecting seat (241) and used for abutting against the seat blocking block (71) to prevent the seat unlocking turntable (52) from rotating when the handrail assembly (24) is in a unfolded state.

14. The convenient and fast folding baby carrier according to claim 1, characterized in that the frame assembly (1) comprises a front foot rod (11), a rear foot rod (12) and a hand push rod (13) which are rotatably connected with each other, a frame locking mechanism (8) for locking the front foot rod (11), the rear foot rod (12) and the hand push rod (13) with each other is arranged between the front foot rod (11), the rear foot rod (12) and the hand push rod (13), and the frame locking mechanism (8) is configured to be capable of being unlocked in linkage by a seat unlocking mechanism (5).

15. The convenient-to-fold child car as claimed in claim 14, wherein the frame assembly (1) is independently provided with a frame unlocking mechanism (9) for unlocking the frame locking mechanism (8).

16. The convenient-to-fold baby carrier as claimed in claim 14, wherein a front joint seat (111) is arranged at the upper end of the front foot bar (11), a rear joint seat (121) is arranged at the upper end of the rear foot bar (12), a push rod joint seat (131) positioned between the front joint seat (111) and the rear joint seat (121) is arranged at the lower end of the push rod (13), and a push rod joint through hole (1311) is arranged on the push rod joint seat (131);

the frame locking mechanism (8) comprises frame locking tooth grooves (81) arranged on the inner walls of the front joint seat (111), the rear joint seat (121) and the push rod joint through hole (1311), frame locking gears (82) which can be simultaneously clamped into the frame locking tooth grooves (81) on the front joint seat (111), the push rod joint seat (131) and the rear joint seat (121) are arranged between the front joint seat (121) and the front joint seat (111), and frame locking elastic pieces (83) which are used for elastically pushing the frame locking gears (82) to enable the frame locking gears (82) to be simultaneously clamped into the frame locking tooth grooves (81) on the front joint seat (111), the push rod joint seat (131) and the rear joint seat (121) are arranged between the frame locking gears (82) and the front joint seat (111);

The rear joint seat (121) is provided with a frame unlocking block (84) which is used for pushing the frame locking gear (82) to be separated from the frame locking tooth groove (81) on the rear joint seat (121) and the push rod joint seat (131) in an axial sliding manner, and the frame unlocking block (84) is configured to be unlocked in a linkage manner by the seat unlocking mechanism (5).

17. The convenient-to-fold perambulator according to claim 16, characterized in that the seat unlocking mechanism (5) comprises a seat unlocking block (51) which is axially slidably arranged on the seat part (22) and is used for unlocking the seat locking mechanism (3), and a seat unlocking rotary table (52) which is rotatably arranged on the seat part (22), wherein the seat unlocking rotary table (52) and the seat unlocking block (51) are respectively provided with a seat unlocking driving inclined plane (53) which can drive the seat unlocking block (51) to axially slide when the seat unlocking rotary table (52) rotates; the seat unlocking mechanism (5) further comprises a frame pushing block (54) which can slide along the axial direction and is positioned between the seat unlocking block (51) and the seat supporting seat (21), a frame pushing boss (541) is arranged on the frame pushing block (54), and the outer end of the frame pushing boss (541) can penetrate through the seat supporting seat (21) to be in butt fit with the frame unlocking block (84).

18. The convenient-to-fold baby carrier as claimed in claim 15, wherein a front joint seat (111) is arranged at the upper end of the front foot bar (11), a rear joint seat (121) is arranged at the upper end of the rear foot bar (12), a push rod joint seat (131) positioned between the front joint seat (111) and the rear joint seat (121) is arranged at the lower end of the push rod (13), and a push rod joint through hole (1311) is arranged on the push rod joint seat (131);

the frame locking mechanism (8) comprises frame locking tooth grooves (81) arranged on the inner walls of the front joint seat (111), the rear joint seat (121) and the push rod joint through hole (1311), frame locking gears (82) which can be simultaneously clamped into the frame locking tooth grooves (81) on the front joint seat (111), the push rod joint seat (131) and the rear joint seat (121) are arranged between the front joint seat (121) and the front joint seat (111), and frame locking elastic pieces (83) which are used for elastically pushing the frame locking gears (82) to enable the frame locking gears (82) to be simultaneously clamped into the frame locking tooth grooves (81) on the front joint seat (111), the push rod joint seat (131) and the rear joint seat (121) are arranged between the frame locking gears (82) and the front joint seat (111);

the rear joint seat (121) is provided with a frame unlocking block (84) which is used for pushing the frame locking gear (82) to be separated from the frame locking tooth groove (81) on the rear joint seat (121) and the push rod joint seat (131) in an axial sliding manner, and the frame unlocking mechanism (9) is used for driving the frame unlocking block (84) to slide in the axial direction.

19. The convenient-to-fold perambulator of claim 18, characterized in that the frame unlocking mechanism (9) is a frame unlocking spanner block, the middle part of the frame unlocking spanner block is rotatably connected with the inner side of the rear joint seat (121), the upper end of the frame unlocking plate block is provided with a spanner block jacking part for jacking the frame unlocking block (84) to slide along the axial direction, and the lower end of the frame unlocking plate block is provided with a spanner block operating part.