CN220332763U - Folding structure for baby carriage - Google Patents

Abstract

The utility model discloses a folding structure of a baby carrier, which comprises a foldable frame, a seat component, a seat frame locking mechanism and an unlocking mechanism, wherein the frame is provided with an unfolding use state and a folding state, the seat frame is provided with a mounting position, the seat component is detachably mounted at the mounting position of the seat frame through a dismounting structure, and the seat frame can be movably connected to the frame; the seat frame locking mechanism is arranged between the seat frame and the frame and can lock the relative positions of the seat frame and the frame; the unlocking mechanism can unlock the seat frame locking mechanism and unlock the frame so that the frame can be unfolded or folded.

Description

Folding structure for baby carriage

Technical Field

The utility model relates to the field of baby carriages, in particular to a folding structure of a baby carriage.

Background

In the existing baby carrier, the sitting position is generally formed by combining a plurality of rods connected to the frame of the baby carrier, namely, the sitting position is also an integral part of the frame, and the sitting position can be folded or unfolded along with the folding or unfolding of the frame.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the folding structure of the baby carrier provided by the utility model can meet the detachable installation of the seat assembly and the folding requirement of the frame.

According to the folding structure of the baby carrier, the baby carrier comprises a foldable frame, a seat assembly, a seat frame locking mechanism and an unlocking mechanism, wherein the frame is provided with an unfolding using state and a folding state, the seat frame is provided with a mounting position, the seat assembly is detachably mounted at the mounting position of the seat frame through a dismounting structure, and the seat frame can be movably connected to the frame; the seat frame locking mechanism is arranged between the seat frame and the frame and can lock the relative positions of the seat frame and the frame; the unlocking mechanism can unlock the seat frame locking mechanism and unlock the frame so that the frame can be unfolded or folded.

The folding structure of the baby carrier has at least the following beneficial effects: through the structure, the detachable function of the seat assembly can be met, and the folding of the frame is not influenced.

According to some embodiments of the utility model, the frame comprises a front wheel frame, a rear wheel frame, a handle frame and a joint assembly, the joint assembly comprises a handle joint, a front wheel frame joint, a rear wheel frame joint and a joint locking mechanism, the front wheel frame, the rear wheel frame, the handle frame are connected with the front wheel frame joint, the rear wheel frame joint and the handle joint correspondingly, the handle joint, the front wheel frame joint and the rear wheel frame joint are rotatably connected, the seat frame comprises a seat frame joint which is rotatably connected with the joint assembly, the seat frame locking mechanism can lock the relative positions of the seat frame joint and the joint assembly, the joint locking mechanism can lock the relative positions of the handle joint, the front wheel frame joint and the rear wheel frame joint, and the unlocking mechanism can unlock the seat frame locking mechanism and can unlock the joint locking mechanism.

According to some embodiments of the utility model, the seat frame locking mechanism comprises a seat frame positioning slider slidably arranged on the seat frame joint, the handle joint, the front wheel frame joint and/or the rear wheel frame joint are/is provided with a seat frame clamping position corresponding to the seat frame positioning slider, and the seat frame positioning slider can be clamped into the seat frame clamping position to lock the relative position of the seat frame and the frame.

According to some embodiments of the utility model, the unlocking mechanism comprises a first connecting piece and a control assembly, the control assembly is arranged on the frame or the seat frame, the first connecting piece is connected with the control assembly and the seat frame positioning sliding block, and the control assembly can pull the seat frame positioning sliding block to be separated from the seat frame clamping position through the first connecting piece.

According to some embodiments of the utility model, the joint locking mechanism comprises a locking component movably arranged on the joint component, the locking component is provided with at least one positioning column, the handle joint, the front wheel frame joint and the rear wheel frame joint are respectively provided with a positioning hole into which the positioning column can be inserted, and when the locking component is in a locking position, the positioning column is respectively inserted into the positioning holes of the handle joint, the front wheel frame joint and the rear wheel frame joint.

According to some embodiments of the utility model, the unlocking mechanism comprises a second connecting piece and a control assembly, the control assembly is arranged on the frame or the seat frame, the second connecting piece is connected with the control assembly and the locking assembly, the control assembly pulls the locking assembly from a locking position to an unlocking position through the second connecting piece, and when the locking assembly is in the unlocking position, the positioning column is separated from the positioning holes of any two or all of the handle joint, the front wheel frame joint and the rear wheel frame joint.

According to some embodiments of the utility model, the handle frame comprises a handle part and a connecting rod part connected to the handle joint, the handle part is rotatably connected with the connecting rod part, a handle locking mechanism is arranged between the handle part and the connecting rod part, and the unlocking mechanism can unlock the handle locking mechanism in a linkage way by unlocking the joint locking mechanism.

According to some embodiments of the present utility model, the handle frame 330 includes a handle portion 331 and a connecting rod portion 332 connected to the handle joint 410, the handle portion 331 is rotatably connected to the connecting rod portion 332, a handle locking mechanism is disposed between the handle portion 331 and the connecting rod portion 332, the handle locking mechanism can be unlocked in a linkage manner when the unlocking mechanism unlocks the joint locking mechanism, the handle locking mechanism includes a limiting member slidably disposed on the connecting rod portion, the handle portion is provided with a handle detent corresponding to the limiting member, an end portion of the limiting member can be inserted into the handle detent to limit the handle portion and the connecting rod portion from rotating relatively, the limiting member is connected to the locking assembly through a third connecting member, and when the locking assembly is driven to move by the unlocking mechanism, the limiting member can be driven to move to a position separated from the handle detent through the third connecting member.

According to some embodiments of the utility model, the handle frame comprises a handle part and a connecting rod part connected to the handle joint, the handle part is rotatably connected with the connecting rod part, the connecting rod part is movably provided with a driving component capable of driving the handle part to rotate relative to the connecting rod part, the driving component is connected to the front wheel frame joint or the rear wheel frame joint through a fourth connecting piece, and when the front wheel frame joint or the rear wheel frame joint rotates relative to the handle joint, the driving component can be driven to move through the fourth connecting piece, so that the handle part is driven to rotate relative to the connecting rod part to fold or unfold.

According to some embodiments of the utility model, the mount is of concave configuration to form a downwardly concave mounting location.

According to some embodiments of the utility model, the mounting joints are respectively arranged at two ends of the mounting, the dismounting structure comprises a plug-in slot and a plug-in part capable of being plugged and combined with the plug-in slot, one of the plug-in slot and the plug-in part is arranged at the mounting joint, and the other is arranged at the seat component.

According to some embodiments of the utility model, one of the seat frame joint and the seat assembly is movably provided with a locking member, and the other is provided with a locking groove corresponding to the locking member, and the plug-in groove can be restricted from being separated from the plug-in portion by cooperation of the locking member and the locking groove.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a frame and seat assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a frame and seat assembly according to an embodiment of the present utility model when disassembled;

FIG. 3 is a schematic view of a seat assembly according to an embodiment of the present utility model;

FIG. 4 is an exploded view of the mounting location of the seat assembly of an embodiment of the present utility model;

FIG. 5 is a schematic view of a frame according to an embodiment of the present utility model;

FIG. 6 is an exploded view of a frame according to an embodiment of the present utility model;

FIG. 7 is one of the exploded views of the joint assembly of the present utility model;

FIG. 8 is a second exploded view of a joint assembly according to an embodiment of the present utility model;

FIG. 9 is a schematic cross-sectional view of a joint assembly according to an embodiment of the present utility model;

FIG. 10 is a schematic view of the connection of the third cable and the fourth cable (schematic view of the joint assembly with the rear truck joint hidden) according to an embodiment of the present utility model;

FIG. 11 is a schematic view of the structure of a handle frame according to an embodiment of the present utility model;

fig. 12 is a schematic view showing an internal structure of a handle frame according to an embodiment of the present utility model.

Reference numerals:

a seat assembly 100;

mount 200, mount joint 210, mount positioning slider 211, mount catch 212;

front wheel frame 310, rear wheel frame 320, handle frame 330, handle portion 331, connecting rod portion 332, stopper 333, handle lock 334, roller 336, pushing assembly 337;

the joint assembly 400, the handle joint 410, the front wheel frame joint 420, the rear wheel frame joint 430, the locking assembly 441, the concave position 441a, the convex structure 441b, the positioning column 442, the positioning hole 443;

the first connector 510, the first clamping position 511, the second connector 520, the second clamping position 521, the driving member 522, the third connector 530, the third clamping position 531, the fourth connector 540 and the control component 550;

the insertion groove 610, the insertion portion 620, the locking piece 630, and the locking groove 640.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the related art, the seat of the stroller is generally formed by combining a plurality of rods connected to the frame of the stroller, that is, the seat is also an integral part of the frame, and the seat is folded or unfolded when the frame is folded or unfolded, but the seat of the stroller with the structure is generally only a fixed structure or a shape, and cannot be changed according to the growth of the child, that is, different strollers need to be replaced according to the growth of the child, and the seat cannot be removed for other purposes (for example, the seat is used as a basket or directly transferred to other positions without moving the child), and if the seat in the traditional stroller is removed, the original frame structure of the stroller can be affected.

A child car folding structure according to an embodiment of the present utility model is described below with reference to fig. 1 to 12.

As shown in fig. 1 to 5, the folding structure of the baby carrier according to the embodiment of the utility model comprises a foldable frame, a seat assembly 100, a seat frame 200, a seat frame locking mechanism and an unlocking mechanism, wherein the frame has an unfolding use state and a folding state, the seat frame 200 is provided with a mounting position, the seat assembly 100 is detachably mounted at the mounting position of the seat frame 200 through a dismounting structure, and the seat frame 200 can be movably connected to the frame; the seat frame locking mechanism is arranged between the seat frame 200 and the frame, and can lock the relative positions of the seat frame 200 and the frame; the unlocking mechanism can unlock the seat frame locking mechanism and unlock the frame so that the frame can be unfolded or folded.

With the above structure, the detachable function of the seat assembly 100 can be satisfied, and the folding of the frame is not affected.

Specifically, by configuring the seat frame 200 to be detachably matched with the seat assembly 100, the detachable function of the seat assembly 100 is realized, and the seat frame 200 can be folded relative to the frame, so that the seat frame 200 or the seat frame 200 provided with the seat assembly 100 can be folded along with the frame, and the seat frame 200 and the frame share an unlocking structure, so that the seat frame 200 and the frame can be synchronously unlocked and folded, and the operation is convenient.

As shown in fig. 2-5, in some embodiments of the present utility model, the seat frame 200 is a concave structure to form a downwardly concave mounting location to lower the center of gravity of the seat assembly 100 and improve safety.

Specifically, the seat frame 200 is integrally in a concave structure, and the seat frame joints 210 are respectively disposed at two ends, so that when the seat assembly 100 is assembled, the center of gravity of the seat assembly 100 can be lowered, and the height position of the seat assembly can approximately correspond to that of a conventional baby carrier seat, thereby maintaining a good riding height.

As shown in fig. 5 to 12, in some embodiments of the present utility model, the frame includes a front wheel frame 310, a rear wheel frame 320, a handle frame 330 and a joint assembly 400, the joint assembly 400 includes a handle joint 410, a front wheel frame joint 420, a rear wheel frame joint 430 and a joint locking mechanism, the front wheel frame 310, the rear wheel frame 320, the handle frame 330 are connected with the front wheel frame joint 420, the rear wheel frame joint 430, the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430 in correspondence, the seat frame 200 includes a seat frame joint 210, the seat frame joint 210 is rotatably connected with the joint assembly 400, the seat frame locking mechanism can lock the relative positions of the seat frame joint 210 and the joint assembly 400, the joint locking mechanism can unlock the seat frame locking mechanism and can unlock the joint locking mechanism, thereby realizing the rotational control of the seat frame joint 210, the handle frame joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430, and the overall folding control of the seat frame 200, the front wheel frame 310, the rear wheel frame 320 and the handle frame 330.

Specifically, the seat frame joint 210, the handlebar joint 410, the front wheel frame joint 420, and the rear wheel frame joint 430 are coaxially disposed, however, the seat frame joint 210 may be disposed offset from the joint assembly 400 during the implementation, and will not be described in detail herein.

It is contemplated that in some embodiments of the present utility model, the seat frame 200 may be movably disposed on the frame through a multi-bar mechanism, and may also satisfy the folding function of the seat frame 200.

As shown in fig. 7 to 10, in some embodiments of the present utility model, the seat frame locking mechanism includes a seat frame positioning slider 211 slidably disposed on the seat frame joint 210, and the handle joint 410, the front wheel frame joint 420 and/or the rear wheel frame joint 430 are provided with seat frame clamping positions 212 corresponding to the seat frame positioning slider 211, and the seat frame positioning slider 211 can be clamped into the seat frame clamping positions 212 to lock the relative positions of the seat frame 200 and the frame, thereby realizing rotation limitation of the seat frame joint 210 and the joint assembly 400.

Specifically, the seat frame clip 212 is disposed on the handle joint 410, and in the specific implementation, it may be disposed on the front wheel frame joint 420 or the rear wheel frame joint 430, or the seat frame clip 212 is disposed on each of the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430.

It is contemplated that in some embodiments of the present utility model, the seat frame locking mechanism may also be a latch positioning mechanism, such as a latch provided at the handle joint 410 and a corresponding hole provided at the seat frame joint 210.

As shown in fig. 7, 8 and 9, in some embodiments of the present utility model, the unlocking mechanism includes a first connecting member 510 and a control component 550, the control component 550 is disposed on the vehicle frame or the vehicle seat frame 200, the first connecting member 510 connects the control component 550 and the vehicle seat frame positioning slider 211, and the control component 550 can pull the vehicle seat frame positioning slider 211 to disengage from the vehicle seat frame clamping position 212 through the first connecting member 510, so as to unlock the vehicle seat frame locking mechanism.

Specifically, the first connecting piece 510 is a first cable, the seat frame positioning slider 211 is provided with a first clamping position 511 for clamping the head of the first cable, the control assembly 550 is a control handle arranged on the seat frame 200, and the control handle pulls the first cable through a knob or a key, so as to drive the seat frame positioning slider 211 to move.

It is contemplated that in some embodiments of the present utility model, the first connector 510 may also be a tie rod or such a linkage, or the like.

As shown in fig. 7, 8 and 9, in some embodiments of the present utility model, the joint locking mechanism includes a locking assembly 441 movably disposed on the joint assembly 400, the locking assembly 441 is provided with at least one positioning post 442, the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430 are respectively provided with a positioning hole 443 into which the positioning post 442 can be inserted, and when the locking assembly 441 is in the locked position, the positioning post 442 is respectively inserted into the positioning holes 443 of the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430, thereby locking the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430.

It is conceivable that in some embodiments of the present utility model, the joint locking mechanism may also be a gear positioning structure, where axially movable gears are provided, and the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430 are respectively provided with corresponding gears, so that locking and unlocking of the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430 can be achieved by the positions of the movable gears.

As shown in fig. 7, 8 and 9, in some embodiments of the present utility model, the unlocking mechanism includes a second connector 520 and a control component 550, the control component 550 is disposed on the frame or the seat frame 200, the second connector 520 connects the control component 550 and the locking component 441, the control component 550 pulls the locking component 441 from the locking position to the unlocking position through the second connector 520, and when the locking component 441 is in the unlocking position, the positioning post 442 is separated from the positioning hole 443 of any two of the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430 or all the positioning holes 443 of the three, so as to unlock the joint locking mechanism.

Specifically, the second connecting member 520 is a second cable, the control assembly 550 is a control handle disposed on the seat frame 200, the control handle pulls the second cable through a knob or a key, the locking assembly 441 is configured with a driving member 522, the driving member 522 is provided with a second clamping position 521 for clamping a head of the second cable, the second cable pulls the driving member 522 to move, and the driving member 522 drives the locking assembly 441 to move.

It is contemplated that in some embodiments of the present utility model, the second connector 520 may also be a tie rod, a linkage, or the like, not described in detail herein.

It is contemplated that in some embodiments of the present utility model, the positioning post 442 is disengaged from the positioning holes 443 of the front wheel frame joint 420 and the rear wheel frame joint 430 to unlock the joint assembly 400, thereby achieving the folding and unfolding requirements of the vehicle frame.

As shown in fig. 8, in some embodiments of the present utility model, the outer contour of the locking assembly 441 is in a circular structure, and a plurality of concave portions 441a are annularly disposed, the handle joint 410 is provided with a concave cavity corresponding to the locking assembly 441, the inner wall of the concave cavity is provided with a convex structure 441b corresponding to the concave portion 441a, the concave portion 441a and the convex structure 441b cooperate to form a sliding guiding structure, and limit the locking assembly 441 to rotate relative to the handle joint 410, when the locking assembly 441 is implemented, the locking assembly 441 can slide along the rotation axis of the handle joint 410, the positioning post 442 can be inserted into the positioning holes 443 of the front wheel frame joint 420 and the rear wheel frame joint 430 to lock the joint assembly 400, and the positioning post 442 is withdrawn from the positioning holes 443 of the front wheel frame joint 420 and the rear wheel frame joint 430 to unlock the joint assembly 400.

It is contemplated that in some embodiments of the present utility model, the locking and unlocking functions of the vehicle frame may be satisfied by the engagement of the female portion 441a with the male portion 441b to limit the rotation of the locking assembly 441 relative to the handlebar joint 410 without the positioning hole 443 at the handlebar joint 410.

As shown in fig. 11 and 12, in some embodiments of the present utility model, the handle frame 330 includes a handle 331 and a connecting rod 332 connected to a handle joint 410, the handle 331 is rotatably connected to the connecting rod 332, a handle locking mechanism is disposed between the handle 331 and the connecting rod 332, and an unlocking mechanism unlocks the joint locking mechanism to interlock and unlock the handle locking mechanism, so as to realize folding of the handle frame 330, and reduce a folding volume of the frame.

As shown in fig. 10, 11 and 12, in some embodiments of the present utility model, the handle locking mechanism includes a limiting member 333 slidably disposed on the connecting rod portion 332, the handle portion 331 is provided with a handle clamping position 334 corresponding to the limiting member 333, an end portion of the limiting member 333 can be inserted into the handle clamping position 334 to limit the relative rotation between the handle portion 331 and the connecting rod portion 332, the limiting member 333 is connected with the locking assembly 441 through a third connecting member 530, and when the locking assembly 441 is driven to move by the unlocking mechanism, the limiting member 333 can be driven to move to a position separated from the handle clamping position 334 through the third connecting member 530, so that the handle portion 331 and the connecting rod portion 332 can be folded and unfolded for locking by rotation.

Specifically, the third connecting member 530 is a third cable, the control assembly 550 is a control handle disposed on the seat frame 200, the control handle pulls the third cable through a knob or a key, and the locking assembly 441 is provided with a third clamping position 531 for clamping a head of the third cable, and when the locking assembly 441 is driven, the third cable pulls the limiting member 333 to move away from the handle clamping position 334, so as to unlock the handle portion 331 and the connecting rod portion 332.

It is contemplated that in some embodiments of the present utility model, the third connector 520 may also be a tie rod, a linkage, or the like, not described in detail herein.

It will be appreciated that in some embodiments of the utility model, the handle lock mechanism may also be configured to be directly coupled to the control assembly 550, such as by a cable directly coupled to the control assembly 550, such that unlocking the articulation lock mechanism by the control assembly 550 can interlock with unlocking the handle lock mechanism.

It is contemplated that in some embodiments of the present utility model, the handle locking mechanism may also be a tooth positioning structure, such as a tooth block rotatably disposed on the connecting rod portion 332, and the handle portion 331 disposed with a corresponding tooth slot, and the third connecting member 530 may be capable of pulling the tooth block to rotate into and out of the tooth slot, thereby achieving rotational positioning of the handle portion 331 and the connecting rod portion 332.

As shown in fig. 10, 11 and 12, in some embodiments of the present utility model, the handle frame 330 includes a handle 331 and a connecting rod 332 connected to the handle joint 410, the handle 331 is rotatably connected to the connecting rod 332, the connecting rod 332 is movably provided with a driving component capable of driving the handle 331 to rotate relative to the connecting rod 332, the driving component is connected to the front wheel frame joint 420 or the rear wheel frame joint 430 through a fourth connecting member 540, and when the front wheel frame joint 420 or the rear wheel frame joint 430 rotates relative to the handle joint 410, the driving component can be driven to move through the fourth connecting member 540, so as to drive the handle 331 to fold or unfold rotationally relative to the connecting rod 332.

Specifically, the fourth connection member 540 is a fourth cable, the control assembly 550 is a control handle disposed on the seat frame 200, the control handle pulls the fourth cable through a knob or a button, and the head of the fourth cable is connected to the front wheel frame joint 420, and when the front wheel frame joint 420 rotates, the driving assembly is pulled through the fourth cable.

It is contemplated that in some embodiments of the present utility model, the fourth connection 540 may also be a tie rod, a linkage, etc., not described in detail herein.

As shown in fig. 12, in some embodiments of the present utility model, the driving assembly includes a roller 336 and a pushing assembly 337, the roller 336 is rotatably disposed at the connecting rod portion 332, the pushing assembly 337 is slidably disposed at the connecting rod portion 332, an end of the pushing assembly 337 is hinged to the handle portion 331, one end of the fourth cable is connected to the front wheel frame joint 420, the other end of the fourth cable extends in a direction away from the front wheel frame joint 420, bypasses the roller 336, extends in a direction close to the front wheel frame joint 420, and finally is connected to the pushing assembly 337, when the front wheel frame joint 420 rotates relative to the connecting rod portion 332, the fourth cable is pulled, and since the roller 336 is disposed at the connecting rod portion 332 and does not move, a head of the fourth cable pulls the pushing assembly 337 to move in a direction away from the front wheel frame joint 420, thereby pushing the handle portion 331 to rotate and fold toward the connecting rod portion 332, thereby realizing folding of the handle frame 330.

Specifically, the pushing assembly 337 is formed by combining a plurality of link members to realize the rotational driving of the handle 331.

As shown in fig. 12, in some embodiments of the present utility model, a plurality of sliding bar sets are provided within the pushing assembly 337 and are configured with compression springs to avoid forming a rigid connection and reduce the difficulty of driving.

As shown in fig. 12, in some embodiments of the present utility model, the handle portion 331 is provided with an extension structure offset from the rotational connection point of the handle portion 331 with the stem portion 332, to which the pushing assembly 337 is hinged, forming a lever structure to enable the handle portion 331 to be driven to rotate relative to the stem portion 332 when the pushing assembly 337 is axially slid.

It is contemplated that in some embodiments of the present utility model, the push assembly 337 is configured with a return spring to facilitate deployment and return of the handle portion 331.

As shown in fig. 3, 4 and 5, in some embodiments of the present utility model, the two ends of the seat frame 200 are respectively provided with the seat frame joint 210, the dismounting structure includes a plug-in slot 610 and a plug-in portion 620 capable of being plugged and combined with the plug-in slot 610, one of the plug-in slot 610 and the plug-in portion 620 is provided on the seat frame joint 210, and the other is provided on the seat assembly 100, so that the seat assembly 100 can be detachably mounted to the seat frame 200 through the cooperation of the plug-in slot 610 and the plug-in portion 620.

Specifically, the plug-in portion 620 is disposed on the seat frame joint 210 and the plug-in slot 610 is disposed on the seat assembly 100.

Of course, in the specific implementation, the seat assembly 100 and the seat frame 200 may be detachably assembled by a fastening mechanism or the like.

As shown in fig. 3, 4 and 5, in some embodiments of the present utility model, one of the seat frame joint 210 and the seat assembly 100 is movably provided with a locking member 630, and the other is provided with a locking groove 640 corresponding to the locking member 630, and the insertion groove 610 and the insertion part 620 can be restricted from being separated by the cooperation of the locking member 630 and the locking groove 640, so that the assembled state of the seat assembly 100 and the seat frame 200 can be maintained, and when the disassembly is required, the locking member 630 can be pushed or pressed out of the locking groove 640.

Specifically, the locking member 630 is slidably disposed in the seat assembly 100, the locking portion of the locking member 630 can extend out of the insertion groove 610, the locking groove 640 is disposed on the side portion of the insertion portion 620 of the seat frame joint 210, and when the insertion groove 610 and the insertion portion 620 are assembled in place, the locking portion of the locking member 630 is locked into the locking groove 640, thereby limiting the separation of the insertion structure.

As shown in fig. 3, in some embodiments of the present utility model, the end of the locking member 630 extends to the outside of the bottom shell of the seat assembly 100, that is, an exposed structure is formed, and the locking portion of the locking member 630 can be disengaged from the locking groove 640 by pressing the locking member 630, and at this time, the seat assembly 100 is lifted upwards, so that the seat assembly 100 can be detached from the frame.

It will be appreciated that in some embodiments of the present utility model, the locking member 630 is configured with a return spring having one end abutting the bottom shell of the seat assembly 100 and the other end abutting the locking member 630, such that the locking member 630 can be returned to the engaged position by the return spring, and the engaged portion of the locking member 630 can be automatically engaged into the locking groove 640 when the seat assembly 100 is installed in the vehicle frame.

Preferably, in some embodiments of the present utility model, an oblique structure is provided at the detent portion of the locking member 630, so that the locking member 630 can be pushed out of the insertion groove 610 by the insertion portion 620 when the seat assembly 100 is installed in the vehicle frame, and the locking member 630 can be automatically snapped into the locking groove 640 due to the force of the return spring when the seat assembly 100 is installed in place.

It is contemplated that in some embodiments of the present utility model, a latch mechanism may be provided between the insertion slot 610 and the insertion portion 620 to limit separation of the two, and not described in detail herein.

It is contemplated that in some embodiments of the present utility model, the sides of the plug-in portion 620 of the seat frame joint 210 may be provided with a plurality of locking slots 640 along its height position, with the locking member 630 cooperating with different locking slots 640 to effect adjustment of the height position of the seat assembly 100.

When the folding is required, the control component 550 is controlled (pressing, rotating or pulling, etc.), the control component 550 pulls the first connecting piece 510 (the first cable) and the second connecting piece 520 (the second cable), the first connecting piece 510 (the first cable) pulls the seat frame positioning sliding block 211 to be separated from the clamping position 212, the seat frame 200 is unlocked, the seat frame 200 is folded relative to the seat frame in a rotating way, the second connecting piece 520 (the second cable) pulls the locking component 441 to move, the locking component 441 positioning column 442 is separated from the positioning holes 443 of the front wheel frame joint 420 and the rear wheel frame joint 430, the handle joint 410, the front wheel frame joint 420 and the rear wheel frame joint 430 can rotate relatively, the front wheel frame 310, the rear wheel frame 320 and the handle frame 330 can rotate relatively, the locking component 441 moves, the third connecting piece 530 (the third cable) pulls the limiting piece 333 to move to be separated from the handle clamping position 334, the handle 331 and the connecting rod 332 are unlocked, when the front wheel frame 310, the rear wheel frame 320 and the handle frame 330 rotate relatively, the fourth connecting piece 540 is pulled by the front wheel frame 420 (when the whole body is folded), the handle 550 rotates, the handle 550 is pulled relatively, the whole connecting piece 540 can be folded, and the whole operation of the handle 330 can be completed conveniently, and the whole folding process can be controlled.

The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, which are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (12)

1. A folding structure for a child's vehicle, comprising:

the foldable frame is provided with an unfolding using state and a folding state;

a seat assembly (100);

the seat assembly comprises a seat frame (200), wherein the seat frame (200) is provided with a mounting position, the seat assembly (100) is detachably mounted on the mounting position of the seat frame (200) through a dismounting structure, and the seat frame (200) can be movably connected to the frame;

the seat frame locking mechanism is arranged between the seat frame (200) and the frame and can lock the relative positions of the seat frame (200) and the frame;

the unlocking mechanism can unlock the seat frame locking mechanism and unlock the frame so that the frame can be unfolded or folded.

2. The folding structure of a stroller as defined in claim 1, wherein,

the frame comprises a front wheel frame (310), a rear wheel frame (320), a handle frame (330) and a joint assembly (400), the joint assembly (400) comprises a handle joint (410), a front wheel frame joint (420), a rear wheel frame joint (430) and a joint locking mechanism, the front wheel frame (310), the rear wheel frame (320) and the handle frame (330) are corresponding to the front wheel frame joint (420), the rear wheel frame joint (430) and the handle joint (410) are connected, the handle joint (410), the front wheel frame joint (420) and the rear wheel frame joint (430) are rotatably connected, the seat frame (200) comprises a seat frame joint (210), the seat frame joint (210) is rotatably connected with the joint assembly (400), the seat frame locking mechanism can lock the relative positions of the handle joint (410), the front wheel frame joint (420) and the rear wheel frame joint (430), and the seat frame locking mechanism can lock the relative positions of the seat frame joint (210) and the joint assembly (400).

3. The folding structure of a stroller as defined in claim 2, wherein,

the seat frame locking mechanism comprises a seat frame positioning sliding block (211) which is slidably arranged on the seat frame joint (210), the handle joint (410), the front wheel frame joint (420) and/or the rear wheel frame joint (430) are/is provided with a seat frame clamping position (212) corresponding to the seat frame positioning sliding block (211), and the seat frame positioning sliding block (211) can be clamped into the seat frame clamping position (212) to lock the relative positions of the seat frame (200) and the frame.

4. A folding structure of a baby carrier according to claim 3, wherein,

the unlocking mechanism comprises a first connecting piece (510) and a control assembly (550), the control assembly (550) is arranged on the frame or the seat frame (200), the first connecting piece (510) is connected with the control assembly (550) and the seat frame positioning sliding block (211), and the control assembly (550) can pull the seat frame positioning sliding block (211) to be separated from the seat frame clamping position (212) through the first connecting piece (510).

5. The folding structure of a stroller as defined in claim 2, wherein,

the joint locking mechanism comprises a locking assembly (441) which is movably arranged on the joint assembly (400), the locking assembly (441) is provided with at least one positioning column (442), the handle joint (410), the front wheel frame joint (420) and the rear wheel frame joint (430) are respectively provided with positioning holes (443) which can be used for the positioning column (442) to be inserted, and when the locking assembly (441) is in a locking position, the positioning columns (442) are respectively inserted into the handle joint (410), the front wheel frame joint (420) and the positioning holes (443) of the rear wheel frame joint (430).

6. The folding structure of a stroller as defined in claim 5, wherein,

the unlocking mechanism comprises a second connecting piece (520) and a control component (550), wherein the control component (550) is arranged on the frame or the seat frame (200), the second connecting piece (520) is connected with the control component (550) and a locking component (441), the control component (550) pulls the locking component (441) from a locking position to an unlocking position through the second connecting piece (520), and when the locking component (441) is in the unlocking position, the positioning column (442) is separated from the positioning hole (443) of any two of the handle joint (410), the front wheel frame joint (420) and the rear wheel frame joint (430) or all the positioning holes (443) of the three.

7. The folding structure of a stroller according to claim 2 or 5, characterized in that the handle frame (330) comprises a handle portion (331) and a connecting rod portion (332) connected to the handle joint (410), the handle portion (331) is rotatably connected to the connecting rod portion (332), a handle locking mechanism is provided between the handle portion (331) and the connecting rod portion (332), and the unlocking mechanism can interlock to unlock the handle locking mechanism when unlocking the joint locking mechanism.

8. The folding structure of a stroller as defined in claim 5, wherein,

the handle frame (330) comprises a handle portion (331) and a connecting rod portion (332) connected to a handle joint (410), the handle portion (331) is rotatably connected with the connecting rod portion (332), a handle locking mechanism is arranged between the handle portion (331) and the connecting rod portion (332), the unlocking mechanism can be linked to unlock the handle locking mechanism when unlocking the joint locking mechanism, the handle locking mechanism comprises a limiting piece (333) slidably arranged on the connecting rod portion (332), the handle portion (331) is provided with a handle clamping position (334) corresponding to the limiting piece (333), the end portion of the limiting piece (333) can be inserted into the handle clamping position (334) to limit the handle portion (331) to rotate relative to the connecting rod portion (332), and the limiting piece (333) is connected with the locking assembly (441) through a third connecting piece (530), so that when the locking assembly (441) is driven to move by the unlocking mechanism, the limiting piece (333) can be driven by the third connecting piece (530) to move to the limiting piece (334).

9. The folding structure of a stroller as defined in claim 2, wherein,

the handle frame (330) comprises a handle portion (331) and a connecting rod portion (332) connected to the handle joint (410), the handle portion (331) is rotatably connected with the connecting rod portion (332), the connecting rod portion (332) is movably provided with a driving component capable of driving the handle portion (331) to rotate relative to the connecting rod portion (332), the driving component is connected to the front wheel frame joint (420) or the rear wheel frame joint (430) through a fourth connecting piece (540), and when the front wheel frame joint (420) or the rear wheel frame joint (430) rotates relative to the handle joint (410), the driving component can be driven to move through the fourth connecting piece (540), so that the handle portion (331) is driven to rotate or fold up relative to the connecting rod portion (332).

10. The folding structure of the stroller of claim 1, wherein the seat frame (200) is a concave structure to form a downwardly concave mounting location.

11. The folding structure of a stroller according to claim 1 or 10, wherein the seat frame (200) is provided with seat frame joints (210) at both ends thereof, the detachable structure comprises a plug-in slot (610) and a plug-in portion (620) capable of being plugged into the plug-in slot (610), one of the plug-in slot (610) and the plug-in portion (620) is provided at the seat frame joint (210), and the other is provided at the seat assembly (100).

12. The folding structure of a stroller of claim 11, wherein,

one of the seat frame joint (210) and the seat assembly (100) is movably provided with a locking piece (630), the other is provided with a locking groove (640) corresponding to the locking piece (630), and the separation of the inserting groove (610) from the inserting part (620) can be limited by the cooperation of the locking piece (630) and the locking groove (640).