CN117818732A - Multifunctional baby carrier - Google Patents

Abstract

The invention relates to the technical field of baby carriages, and discloses a multifunctional baby carriage which is provided with a cart mode and a walker mode, wherein the baby carriage comprises: the frame comprises a front wheel set, a rear wheel set and a push handle set arranged close to the rear wheel set; the seat module and the seat module can be arranged on the frame, and when the seat module and the seat module are arranged on the frame, the seat module is positioned above the seat module; when the baby carrier is switched to a cart mode, the seat stump module is arranged on the frame, and a child can sit on the seat stump module; the seat module can be arranged on the frame or can be taken off from the frame; when the baby carrier is switched to the walker mode, the seat module is taken down from the frame, the seat module is arranged on the frame, and a child can sit on the seat module. The baby carrier has the advantages that the baby carrier has multiple modes, can be switched, can realize one-vehicle multi-purpose, is suitable for children of different age groups, and is simple to switch among the multiple modes.

Description

Multifunctional baby carrier

Technical Field

The invention relates to the technical field of strollers, in particular to a multifunctional stroller.

Background

The existing baby carrier has single function, cannot be suitable for children of different ages, cannot switch modes of the baby carrier according to actual needs, and needs to be replaced according to the growth of the ages of the children.

When the child is not walking, the child is typically pushed through a child stroller. When a child grows to a stage of learning to walk, the child is generally learned to walk gradually by means of a walker. The conventional stroller cannot meet the demands in this case, so that a plurality of strollers have to be provided.

Disclosure of Invention

Aiming at the defects existing in the prior art, the technical problems to be solved by the invention are as follows: a multifunctional baby carrier with multiple use modes and convenient use is provided.

The invention solves the technical problems by adopting the technical scheme that the invention provides a multifunctional baby carrier which is provided with a cart mode and a walker mode, and the baby carrier comprises:

the frame comprises a front wheel set, a rear wheel set and a push handle set arranged close to the rear wheel set;

the seat module and the seat module can be arranged on the frame, and when the seat module and the seat module are arranged on the frame, the seat module is positioned above the seat module;

when the baby carrier is switched to the cart mode, the seat stump module is arranged on the frame, and a child can sit on the seat stump module; the seat module can be arranged on the frame or can be removed from the frame;

when the baby carrier is switched to the walker mode, the seat module is taken off from the frame, the seat module is arranged on the frame, and a child can sit on the seat module.

Further, the seat module comprises a seat, a lock seat and a quick-release locking piece, one end of the seat is rotatably arranged on the frame, and the other end of the seat is movably propped against the frame; one end of the lock seat is rotatably connected with the seat plate, and the other end of the lock seat is detachably connected with the frame; the quick-release locking piece is movably arranged on the lock seat, and the quick-release locking piece can lock the lock seat on the frame.

Further, a seat plate locking sliding block is arranged on the frame, and one end of the seat plate is movably connected with the seat plate locking sliding block; the seat plate is provided with a quick-release button, and the seat plate locking sliding block can be driven to be separated from the seat plate by pressing the quick-release button so as to unlock the seat plate;

when the quick-release locking piece is unlocked, and the quick-release button drives the seat plate locking sliding block to be separated from the seat plate, the seat plate module can be taken down from the frame.

Further, a front fixing pin is arranged on the frame, a clamping groove with a downward opening is formed in the lock seat, the front fixing pin can be clamped into the clamping groove along the opening, and the front fixing pin can be separated from the clamping groove;

the quick-release locking piece can extend to the clamping groove to lock the lock seat on the front fixing pin, one end, away from the clamping groove, of the quick-release locking piece is provided with a tensioning spring, and two ends of the tensioning spring are respectively abutted to the quick-release locking piece and the lock seat.

Further, the front fixing pin is arranged on the rear wheel group, the push handle group is provided with a rear fixing pin, and one end of the seat plate is rotatably arranged at the position of the rear fixing pin.

Further, the front wheel set, the rear wheel set and the pushing handle set can be mutually closed to fold the frame, and the seat module can be folded together with the frame;

the seat pocket module comprises flexible seat cloth and an awning arranged on the flexible seat cloth, and the flexible seat cloth and the awning can be folded together with the frame.

Further, the front wheel set is rotatably connected with the rear wheel set, and the push handle set is rotatably connected with the rear wheel set;

two sides of the rear wheel set, which are close to the upper direction of the front wheel set, are respectively extended with a mounting arm, and the seat stump module is detachably connected with the mounting arms; when the baby carrier is switched to the walker mode, the two mounting arms can be respectively held by the hands of the child.

Further, the stroller further comprises a set of armrests, and the stroller further has a scooter and scooter mode;

the frame is provided with a mounting seat, when the baby carriage is switched into a scooter mode and a walk-sliding mode, the armrest group is inserted into the mounting seat and is positioned above the mounting arm, and the armrest group can be held by two hands of a child.

Further, the armrest group comprises an armrest and an angle adjusting button arranged on the armrest, after the angle adjusting button is pressed, the angle of the armrest relative to the frame can be adjusted, and after the angle adjusting button is released, the angle of the armrest on the frame is fixed.

Further, a rotary locking piece is arranged between the push handle group and the rear wheel group, and the rotary locking piece can limit the rotation freedom degree of the push handle group relative to the rear wheel group;

the push handle group comprises an upward push handle and a downward push handle, the upward push handle is inserted in the downward push handle in a telescopic and adjustable mode, the upward push handle can move downwards to drive the rotary locking piece to be separated from the position between the push handle group and the rear wheel group, and therefore the push handle group can be rotated and folded relative to the rear wheel group.

Compared with the prior art, the invention has at least the following beneficial effects:

in the invention, after the seat stump module is arranged on the frame, the baby carrier can be switched into a cart mode, a child can sit on the seat stump module, and the use of the cart mode is not influenced when the seat plate module is arranged on the frame, and the seat plate module can be taken down from the frame; when the seat module is taken down from the frame and the seat module is arranged on the frame, the baby carriage can be switched into a walker mode. The seat pocket module and the seat plate module can be quickly assembled on the frame, and can be quickly disassembled from the frame, so that the seat pocket module is convenient to use. Further, the mounting seat of the frame can be provided with the armrest group, the armrest group is positioned above the mounting arm on the frame, and the children can hold the armrests by both hands, so that the baby carriage can be switched into a scooter mode and a scooter mode. The multifunctional baby carrier of the scheme can realize multiple purposes, is suitable for children of different age groups, and reduces the cost of purchasing the car.

In the invention, the front wheel set, the rear wheel set and the push handle set can be mutually closed to fold the frame, and when the seat module and the seat module are both arranged on the frame, the seat module and the seat module can be folded along with the folding of the frame, the folding is convenient, and the space occupied by the folding is small.

Drawings

FIG. 1 is a schematic view of the stroller in a stroller mode (unseated seat module) according to the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the stroller in a stroller mode (mount seat module);

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a schematic view of a folding process of the stroller;

FIG. 6 is a schematic view of the stroller in a walker mode;

FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;

FIG. 8 is a schematic view of the stroller in a scooter and scooter mode;

FIG. 9 is an exploded view of the armrest and frame of FIG. 8;

FIG. 10 is a schematic view of a seating module;

FIG. 11 is a schematic view of the structure of FIG. 10 from another perspective;

FIG. 12 is a schematic view in semi-section of the stroller in a walker mode;

FIG. 13 is a schematic view of the quick release latch of FIG. 12 after unlocking;

FIG. 14 is a schematic view of the lock base of FIG. 13 disengaged from the front retaining pin;

FIG. 15 is a schematic view of the seat module unlocking process at the rear securing pin;

FIG. 16 is a cross-sectional view of the stroller with the push handle not retracted;

FIG. 17 is a schematic view of the push-up handle of FIG. 16 retracted downwardly;

FIG. 18 is a cross-sectional view taken along line A-A of FIG. 17;

FIG. 19 is a schematic view of the push-up handle of FIG. 17 continuing to retract downwardly to unlock the rotary lock;

FIG. 20 is a cross-sectional view taken along B-B of FIG. 19;

FIG. 21 is a schematic view of the push-up handle of FIG. 19 after continued retraction of the push-up handle to unlock the rotary lock;

FIG. 22 is a cross-sectional view taken along line C-C of FIG. 21;

fig. 23 is a schematic view of the push-up handle of fig. 21 after it has been fully retracted.

In the figure:

1. a frame; 11. a front wheel set; 12. a rear wheel set; 13. a push handle group; 14. a rotary lock; 15. an unlocking member; 120. a seat locking slide block; 121. a front fixing pin; 122. a mounting arm; 123. a mounting base; 124. a fixing hole; 125. a spring; 130. a rear fixing pin; 131. a push-up handle; 132. pushing down the handle; 133. a push handle locking member; 134. an end plug; 135. an unlock button; 136. a second lock button;

2. a seating module; 20. a seat plate; 21. a lock base; 22. quick release locking piece; 23. tensioning a spring; 201. a quick release button; 210. a clamping groove;

3. a seat stump module; 30. a seat cloth; 31. awning; 32. a fixing rope is arranged on the upper part; 33. a fixing member; 34. a lower fixing rope; 35. stretch cloth;

4. a handrail group; 40. an armrest; 41. an angle adjusting button; 42. quick release elastic buckle.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

As shown in fig. 1 to 9, the multi-functional stroller of the present embodiment mainly includes: frame 1, seat module 2, seat stump module 3 and handrail group 4, wherein, frame 1 mainly includes: a front wheel set 11, a rear wheel set 12 and a push handle set 13; the seat module 2 mainly includes: seat 20, lock seat 21, quick release locking member 22 and tensioning spring 23; the seat stump module 3 mainly comprises: a seat cloth 30, a sunshade 31, an upper fixing rope 32, a fixing piece 33, a lower fixing rope 34 and an extension cloth 35; the armrest group 4 mainly includes: an armrest 40, an angle adjustment button 41 and a quick release latch 42.

As shown in fig. 1 to 4 and fig. 6 to 9, the multi-functional stroller of the present embodiment has a stroller mode and a walker mode, and the stroller further has a scooter and a scooter mode.

As shown in fig. 1-4, when the stroller is switched to the stroller mode, the seat module 3 is disposed on the frame 1, and a child can sit on the seat module 3. The seat module 2 may be disposed on the frame 1, or the seat module 2 may be removed from the frame 1. That is, the seat module 2 is not affected by the use of the cart mode, whether it is mounted on the frame 1 or removed from the frame 1. When the seat module 2 is not removed from the frame 1, the seat module 3 is positioned above the seat module 2, a child can sit on the seat module 3, and the seat module 3 blocks the seat module 2. The seat pocket module comprises a flexible seat cloth 30 and an awning 31 arranged on the flexible seat cloth 30, wherein the flexible seat cloth 30 and the awning 31 can be folded together with the frame 1, an extending cloth 35 is arranged between the awning 31 and the flexible seat cloth 30, and when the awning 31 is connected, only a certain extending angle of the awning 31 is ensured. Specifically, the seat pocket module is detachably mounted on the frame 1 through an upper fixing rope 32, a fixing piece 33 and a lower fixing rope 34, and the upper fixing rope 32 is connected between the awning 31 and the push handle group 13; the lower fixing rope 34 is connected between the flexible seat cloth 30 and the push handle group 13; the fastener 33 secures the flexible seat cloth 30 to the mounting arm 122 of the rear wheelset 12. The awning 31 is also made of cloth, namely the flexible material of the seat stump module 3 is convenient to fold along with the frame 1. Optimally, the armrest group 4 can be arranged on the frame 1, and when a child sits on the seat stump module 3, two feet respectively penetrate out from two sides of the armrest group 4 and can step on foot pads on the front wheel group 11.

As shown in fig. 6 to 7, when the stroller is switched to the walker mode, the seat module 3 is removed from the frame 1, and the seat module 2 is disposed on the frame 1, so that a child can sit on the seat module 2. In this mode, the seat module 3 must be removed from the frame 1 and the seat module 2 must be mounted on the frame 1 so that a child can sit on the seat 20. Since the seat module 3 is removed, the two mounting arms 122 of the rear wheelset 12 are exposed, and the child's hands can be held on the two mounting arms 122, i.e. the two mounting arms 122 serve as armrests in walker mode.

As shown in fig. 8-9, the stroller further comprises a set of armrests 4, and the stroller further has a scooter and scooter mode. The frame 1 is provided with a mounting seat 123, when the baby carriage is switched into a scooter mode and a walk-through mode, the armrest set 4 is inserted into the mounting seat 123, the armrest set 4 is positioned above the mounting arm 122, and the armrest set 4 can be held by two hands of a child. In this mode, the armrest set 4 is disposed above the two mounting arms 122, the hands of the child can be held on the armrests 40, the armrests 40 provide a higher holding position than the holding on the mounting arms 122, so that the back of the child is not too curved, and in this mode, the caretaker can push the child, and the comfort of the child can be improved. Wherein, have a quick detach bullet knot 42 at the tip of handrail group 4, be equipped with a socket and with the fixed orifices 124 of socket intercommunication on mount pad 123, when the one end of handrail group 4 inserts mount pad 123 along the socket, quick detach bullet knot 42 card is gone into in the fixed orifices 124 for handrail group 4 and mount pad 123 fixed connection guarantee structural stability. When the armrest set 4 needs to be disassembled, the quick-release elastic buckle 42 is pressed to be separated from the fixing hole 124, so that the armrest set 4 can be disassembled from the mounting seat 123, and the armrest set 4 is easy to disassemble and assemble.

Specifically, the armrest group 4 includes an armrest 40 and an angle adjustment button 41 provided on the armrest 40, and after the angle adjustment button 41 is pressed, the angle of the armrest 40 with respect to the vehicle frame 1 can be adjusted, and after the angle adjustment button 41 is released, the angle of the armrest 40 on the vehicle frame 1 is fixed. In the use process, the angle of the armrest 40 is adjustable, so that the comfort of the child can be improved, and the back inclination angle of the child can be adjusted, so that the armrest 40 stays at a more comfortable angle. The angle of the armrests 40 is adjustable to provide greater comfort in the stroller mode and in the scooter and scooter modes.

In the actual use process, after the seat stump module 3 is mounted on the frame 1, the baby carrier can be switched into a cart mode, a child can sit on the seat stump module 3, and the use of the cart mode can not be influenced by the mounting of the seat plate module 2 on the frame 1 at the moment, and the seat plate module 2 can be removed from the frame 1. When the seat module 3 is removed from the frame 1 and the seat module 2 is mounted on the frame 1, the stroller can be switched to the walker mode. The seat pocket module 3 and the seat plate module 2 can be quickly assembled on the frame 1, and can be quickly disassembled from the frame 1, so that the seat pocket is convenient to use. Further, the armrest set 4 may be mounted on the mounting seat 123 of the frame 1, the armrest set 4 is located above the mounting arm 122 on the frame 1, and the hands of the child may be held on the armrest 40, so that the stroller may be switched into a scooter and a scooter mode. The multifunctional baby carrier of the scheme can realize multiple purposes, is suitable for children of different age groups, and reduces the cost of purchasing the car.

As shown in fig. 3 to 5, the frame 1 of the present embodiment includes a front wheel group 11, a rear wheel group 12, and a push handle group 13 disposed near the rear wheel group 12, the front wheel group 11 is rotatably connected with the rear wheel group 12, and the push handle group 13 is rotatably connected with the rear wheel group 12. The front wheel set 11, the rear wheel set 12 and the push handle set 13 can be mutually closed to fold the frame 1, and the seat module 3 and the seat module 2 can be folded together with the frame 1. The two sides of the rear wheel set 12, which are close to the front wheel set 11, extend respectively to form a mounting arm 122, and the seat pocket module 3 is detachably connected with the mounting arm 122; when the baby carriage is switched to the walker mode, the two mounting arms 122 can be held by both hands of the child.

As shown in fig. 16 to 23, a rotation lock member 14 is provided between the push handle group 13 and the rear wheel group 12 in the present embodiment, and an unlocking member 15 is provided so as to be movable against the push handle 131 and the rotation lock member 14. The rotational lock 14 limits the rotational freedom of the push handle set 13 relative to the rear wheel set 12. Namely, when the rotary locking piece 14 is positioned between the push handle group 13 and the rear wheel group 12, the push handle group 13 cannot rotate relative to the rear wheel group 12, and is in a locking state at the moment, when the push handle 131 moves downwards to drive the unlocking piece 15 to press the rotary locking piece 14, the rotary locking piece 14 is separated from the position between the push handle group 13 and the rear wheel group 12, the push handle group 13 is unlocked, and the push handle group 13 can rotate relative to the rear wheel group 12, so that the folding can be performed. Alternatively, the front wheel set 11 and the rear wheel set 12 may also be provided with such locking and unlocking structures, which may be unlocked by pushing the handle set 13 in order to collapse the frame 1. Specifically, the push handle group 13 includes an up push handle 131 and a down push handle 132, the up push handle 131 is inserted in the down push handle 132 in a telescopic manner, and the up push handle 131 can move downward to drive the rotation locking member 14 to disengage from between the push handle group 13 and the rear wheel group 12, so that the push handle group 13 can be rotated and folded relative to the rear wheel group 12. Wherein, the unlocking piece 15 is provided with an inclined plane, the two rotary locking pieces 14 are provided with two, a spring is arranged between the two rotary locking pieces 14 to tension the two rotary locking pieces 14, the rotary locking pieces 14 are optimally locking gears, the rotary locking pieces 14 are also provided with an inclined plane, the unlocking piece 15 and the rotary locking pieces 14 are extruded through the inclined plane and the inclined plane, so that the rotary locking pieces 14 are separated from the push handle group 13 and the rear wheel group 12 and are in contact with rotary locking. An end plug 134 is arranged at the end of the push-up handle 131, the end plug 134 can push the unlocking piece 15, a push-up handle locking piece 133 is arranged on the end plug 134, a plurality of locking grooves are arranged on the push-down handle 132 along the axial direction of the push-up handle, and when the push-up handle locking piece 133 is locked into different locking grooves, the position of the push-up handle 131 relative to the push-down handle 132 can be changed, so that the telescopic adjustment of the push-up handle 131 can be locked. An unlocking button 135 and a two-way lock button 136 are arranged on the push-up handle 131, and the two-way lock can be simultaneously pressed to unlock, so that the frame 1 can be folded, and the situation that the frame 1 is folded by mistake is avoided.

In the actual use process, the front wheel set 11, the rear wheel set 12 and the push handle set 13 in the embodiment can be mutually closed to fold the frame 1, and when the seat stump module 3 and the seat plate module 2 are both arranged on the frame 1, the seat stump module 3 and the seat plate module 2 can be folded along with the folding of the frame 1, the folding is convenient, and the space occupied by the folding is small.

In this embodiment, the seat module 2 and the seat module 3 can be both disposed on the frame 1, and when the seat module 2 and the seat module 3 are both disposed on the frame 1, the seat module 3 is located above the seat module 2.

As shown in fig. 10 to 15, the seat module 2 of the present embodiment includes a seat 20, a lock seat 21 and a quick release lock member 22, one end of the seat 20 is rotatably mounted on the frame 1, and the other end of the seat 20 is movably abutted against the frame 1; one end of the lock seat 21 is rotatably connected with the seat 20, and the other end of the lock seat 21 is detachably connected with the frame 1; the quick release locking piece 22 is movably arranged on the lock seat 21, and the quick release locking piece 22 can lock the lock seat 21 on the frame 1. The seat plate module 2 is arranged on the frame 1 to form a four-bar mechanism, so that the seat plate module 2 can be conveniently folded along with the frame 1. Specifically, the frame 1 is provided with a front fixing pin 121, the lock base 21 has a clamping groove 210 with a downward opening, the front fixing pin 121 can be clamped into the clamping groove 210 along the opening to realize fixed connection, and the front fixing pin 121 can be separated from the clamping groove 210, so that the lock base 21 can be conveniently detached from the front fixing pin 121. The quick release locking piece 22 can extend to the clamping groove 210 to lock the lock seat 21 on the front fixing pin 121, one end of the quick release locking piece 22, which is far away from the clamping groove 210, is provided with a tensioning spring 23, and two ends of the tensioning spring 23 are respectively propped against the quick release locking piece 22 and the lock seat 21.

In the use process, after the current fixing pin 121 is clamped into the clamping groove 210 on the lock seat 21, the quick-release locking piece 22 stretches into the clamping groove 210 under the action of the tensioning spring 23, the front fixing pin 121 is limited to be separated from the clamping groove 210, and the tensioning spring 23 can ensure reliable locking. The quick release locking piece 22 is provided with an inclined plane, and the front fixing pin 121 can be pressed to press the quick release locking piece 22 and compress the tension spring 23 by pressing the quick release locking piece 22, so that the front fixing pin 121 can be conveniently clamped into the clamping groove 210, and the installation is convenient. When the seat 20 needs to be removed, the operator pushes the quick release locking member 22 to withdraw from the locking groove 210, so that the lock base 21 is separated from the front fixing pin 121, and the front fixing pin 121 is separated from the locking groove 210.

Further specifically, the frame 1 of the present embodiment is provided with a seat locking slide 120, one end of the seat 20 is movably connected with the seat locking slide 120, and the seat locking slide 120 is provided with a spring 125 for tensioning the seat locking slide 120. The seat 20 is provided with a quick-release button 201, and pressing the quick-release button 201 can drive the seat locking slider 120 to disengage from the seat 20 so as to unlock the seat 20. After the quick release latch 22 is unlocked and the quick release button 201 actuates the seat lock slide 120 to disengage from the seat 20, the seat module 2 can be removed from the frame 1. The front fixing pin 121 of the present embodiment is disposed on the rear wheel set 12, the push handle set 13 is provided with a rear fixing pin 130, and one end of the seat 20 is rotatably mounted at the rear fixing pin 130, that is, the seat locking slider 120 is movably disposed at the rear fixing pin 130.

In this scheme, this bassinet has multiple mode and can switch, can realize that one is multi-purpose, is suitable for the children of different age bracket, and switches simply between multiple mode.

Claims (10)

1. A multi-functional stroller having a stroller mode and a walker mode, the stroller comprising:

the frame comprises a front wheel set, a rear wheel set and a push handle set arranged close to the rear wheel set;

the seat module and the seat module can be arranged on the frame, and when the seat module and the seat module are arranged on the frame, the seat module is positioned above the seat module;

when the baby carrier is switched to the cart mode, the seat stump module is arranged on the frame, and a child can sit on the seat stump module; the seat module can be arranged on the frame or can be removed from the frame;

when the baby carrier is switched to the walker mode, the seat module is taken off from the frame, the seat module is arranged on the frame, and a child can sit on the seat module.

2. A multi-functional stroller according to claim 1, wherein the seat module comprises a seat, a lock seat and a quick release locking member, one end of the seat is rotatably mounted on the frame, and the other end of the seat is movably abutted against the frame; one end of the lock seat is rotatably connected with the seat plate, and the other end of the lock seat is detachably connected with the frame; the quick-release locking piece is movably arranged on the lock seat, and the quick-release locking piece can lock the lock seat on the frame.

3. A multi-functional child car according to claim 2, wherein a seat locking slide block is arranged on the frame, and one end of the seat is movably connected with the seat locking slide block; the seat plate is provided with a quick-release button, and the seat plate locking sliding block can be driven to be separated from the seat plate by pressing the quick-release button so as to unlock the seat plate;

when the quick-release locking piece is unlocked, and the quick-release button drives the seat plate locking sliding block to be separated from the seat plate, the seat plate module can be taken down from the frame.

4. A multi-functional stroller according to claim 2, wherein the frame is provided with a front fixing pin, the lock base is provided with a clamping groove with a downward opening, the front fixing pin can be clamped into the clamping groove along the opening, and the front fixing pin can be separated from the clamping groove;

the quick-release locking piece can extend to the clamping groove to lock the lock seat on the front fixing pin, one end, away from the clamping groove, of the quick-release locking piece is provided with a tensioning spring, and two ends of the tensioning spring are respectively abutted to the quick-release locking piece and the lock seat.

5. A multi-purpose vehicle as recited in claim 4, wherein the front anchor pin is disposed on the rear wheel assembly, the push handle assembly is provided with a rear anchor pin, and one end of the seat is rotatably mounted to the rear anchor pin.

6. A multi-functional stroller according to any one of claims 1-5, wherein the front wheel set, the rear wheel set and the push handle set are movable towards each other to collapse the frame, and wherein the seat module and the seat module are both collapsible with the frame;

the seat pocket module comprises flexible seat cloth and an awning arranged on the flexible seat cloth, and the flexible seat cloth and the awning can be folded together with the frame.

7. A multi-function stroller according to claim 1, wherein the front wheel set is rotatably connected to the rear wheel set, and the push handle set is rotatably connected to the rear wheel set;

two sides of the rear wheel set, which are close to the upper direction of the front wheel set, are respectively extended with a mounting arm, and the seat stump module is detachably connected with the mounting arms; when the baby carrier is switched to the walker mode, the two mounting arms can be respectively held by the hands of the child.

8. A multi-purpose vehicle as recited in claim 7, further comprising a set of armrests, and wherein the vehicle further has a scooter and scooter mode;

the frame is provided with a mounting seat, when the baby carriage is switched into a scooter mode and a walk-sliding mode, the armrest group is inserted into the mounting seat and is positioned above the mounting arm, and the armrest group can be held by two hands of a child.

9. A multi-purpose vehicle according to claim 8, wherein the arm rest assembly comprises an arm rest and an angle adjustment button provided on the arm rest, wherein the angle of the arm rest relative to the vehicle frame is adjustable upon pressing the angle adjustment button, and wherein the angle of the arm rest on the vehicle frame is fixed upon releasing the angle adjustment button.

10. A multi-function stroller according to claim 1, wherein a rotational lock is provided between the push handle assembly and the rear wheel assembly, the rotational lock limiting rotational freedom of the push handle assembly relative to the rear wheel assembly;

the push handle group comprises an upward push handle and a downward push handle, the upward push handle is inserted in the downward push handle in a telescopic and adjustable mode, the upward push handle can move downwards to drive the rotary locking piece to be separated from the position between the push handle group and the rear wheel group, and therefore the push handle group can be rotated and folded relative to the rear wheel group.