CN216374841U - Multifunctional baby carriage - Google Patents

Abstract

The utility model provides a multifunctional baby carriage which comprises a transverse frame, a handlebar, two front wheels, two supporting plates, a seat and two rear wheels. The baby carriage provided by the utility model has four functions and a folding shape, can be used as a walker, a scooter, a sliding vehicle or a trojan horse, solves the defect of single function of the traditional baby carriage, can also be transformed into the folding shape, occupies a small space, has a simple structure, realizes the state switching of four parts through four hinged structures and four corresponding groups of locking mechanisms, is simple to operate, and avoids the problem of part loss caused by the deformation of the baby carriage form in a splicing mode.

Description

Multifunctional baby carriage

Technical Field

The utility model relates to a multifunctional baby carriage.

Background

The baby carriage is a toy liked by most children, and at present, various baby carriages such as a sliding carriage, a baby walker, a scooter, a trojan horse and the like are available on the market, but the existing baby carriage is fixed in structure and cannot be transformed, namely one baby carriage is only one type of baby carriage and cannot be transformed into another baby carriage, if a child wants to play another type of baby carriage, the child needs to buy the baby carriage separately, so that the living cost of a family is increased, the field is occupied, and the existing baby carriage needs to be further improved.

Disclosure of Invention

The utility model provides a multifunctional baby carrier for solving the technical problems, which comprises a transverse frame, a handle, two front wheels, two supporting plates, a seat and two rear wheels.

The handlebar comprises a handlebar frame and handles at two ends of the top of the handlebar frame. The front surface of the handle frame is arched door-shaped, and the side surface is arc-shaped. The two ends of the bottom of the handle frame are hinged to the two ends of the transverse frame, and a first locking structure is arranged at the hinged position. Because the handlebar can rotate relative to the transverse frame, the handlebar can be limited to be in a standing state or a falling state through the first locking structure, wherein the standing state is used as the handlebar of the baby walker, and the falling state is used as the arc-shaped base of the hobbyhorse.

The two front wheels are symmetrically arranged at two ends of the transverse frame.

The front ends of the two supporting plates are respectively obliquely and crossly hinged with the two sides of the transverse frame, and the hinge shaft is vertical to the axial direction of the transverse frame. And a second locking structure which limits the two supporting plates to be in an opening state or a close state is arranged at the hinged position. Because the backup pad is articulated with horizontal frame slope cross, when rotating the articulated position, two backup pads can be close to each other or leave each other, open promptly, when opening, can steadily support whole bassinet, satisfy the demand of walker.

The seat comprises a first cushion, a second cushion, a supporting rod and a movable backrest.

The second cushion and the supporting rod are vertically arranged at the bottom of the first cushion. The other end of bracing piece is articulated to be installed at the middle part of horizontal frame, and the articulated shaft is parallel the axial of horizontal frame, articulated position are equipped with third locking structure, can with the seat restriction is in the state of closing with the handlebar laminating or with the user state of handlebar at horizontal frame homonymy or with the user state of handlebar at horizontal frame different sides.

The movable backrest is hinged to the rear end of the first seat cushion, a fourth locking structure is arranged at the hinged position, and the movable backrest can be limited to be in the position of the backrest of the first seat cushion or the position of the backrest of the second seat cushion.

The two rear wheels are respectively arranged at the rear ends of the two supporting plates and become wheels of the walker together with the two front wheels.

It can be seen that there are five aspects to the stroller, including:

the form of the sliding vehicle is as follows: the seat is in a use state with the handlebar on the same side of the transverse frame, the first cushion serves as a chair for sliding the vehicle, and the movable backrest is limited to a position of becoming a backrest of the first cushion;

the scooter shape: the handlebar is in a vertical state, the two supporting plates are in a close state, and the seat is in a folding state;

the form of the walker: the handlebar is in a standing state, the two supporting plates are in an opening state, and the seat is in a folding state;

the form of the wooden horse is as follows: the handlebar hand is for the state of falling down, the seat is walked around open two backup pads and is restricted at the user state. The two supporting plates are switched to be in a close state;

folding and unfolding: the handlebar is in a laid-down state, the two supporting plates are in an open state, and the seat is in a folded state.

Preferably, the first locking structure, the second locking structure, the third locking structure, or the fourth locking structure includes two limiting grooves disposed in one of the two hinge members and a limiting member disposed in the other movable hinge member, the limiting member is limited in one of the limiting grooves, the limiting member is withdrawn, the hinge members are rotated, the limiting member is released, and the limiting member is limited in the other limiting groove, so as to realize switching and locking of states of the hinge members.

Preferably, the first locking structure comprises a butt-joint block and a first limiting member.

The butt joint block is arranged in an inner cavity at the bottom end of the handle frame and is fixedly connected with the transverse frame through an extension shaft, namely, the butt joint block and the transverse frame are relatively fixed. Two first limiting grooves are formed in the periphery of the butt joint block. The first limiting groove is strip-shaped, is parallel to the axis of the transverse frame and penetrates through two ends of the butt joint block.

The first limiting part comprises an installation plate, a pressing plate, two rib plates and a limiting rod. The mounting plate is hinged in the inner cavity, one end, close to the axis of the transverse frame, of the mounting plate is connected with the pressing plate, and a button extending out from an opening in the wall surface of the inner cavity is arranged at the top of the other end of the pressing plate. The two ribbed plates are arranged at the bottom of the pressing plate at intervals in parallel and are perpendicular to the axis of the transverse frame. The limiting rod is arranged between the two rib plates and is parallel to the first limiting groove. Be equipped with the first spring of pretension between the other end of mounting panel and the handle frame, through the elasticity of first spring, the button stretches out the opening, and the gag lever post card goes into two one in the first spacing groove, when will switching over, only need press the button, first locating part is overcome first spring and is rotated to drive the gag lever post and withdraw from current first spacing groove, can rotate the handlebar hand this moment, when going to another state, because the button has been loosened, under the elastic force effect of first spring, the gag lever post is automatic to be gone into another spacing groove, thereby locks the handlebar hand once more.

Preferably, the support plate includes a connection section and an extension section. One end of the connecting section is hinged to the transverse frame, the other end of the connecting section extends in a crossed mode with the axial direction of the transverse frame in an inclined mode and is connected with one end of the extending section, the other end of the extending section is a free end and is perpendicular to the transverse frame in an extending mode.

Preferably, the end part of the connecting section is provided with a T-shaped cylindrical limiting lug perpendicular to the transverse frame. The transverse frame is provided with a T-shaped limiting hole, and the connecting section is hinged to the transverse frame through a T-shaped cylindrical limiting lug and the T-shaped limiting hole to realize hinged connection of the supporting plate and the transverse frame.

Preferably, the second locking structure includes two second limiting grooves and a second limiting member.

The two second limiting grooves are symmetrically arranged on two sides of the T-shaped limiting hole.

The second limiting part is a movable elastic lug arranged on one side of the T-shaped cylindrical limiting lug, and the movable elastic lug is provided with a push block extending out of the side part of the connecting section. The movable elastic lug is clamped into one of the two second limiting grooves to push the push block, the movable elastic lug exits from the push block, the connecting section is turned over, the push block is loosened, and the movable elastic lug is clamped into the other of the two second limiting grooves, so that state switching and locking of the supporting plate are achieved.

Preferably, when the two supporting plates are in a close state, the extending sections of the two supporting plates are combined, and the front end of the first cushion or the front end of the second cushion is supported on the two extending sections, so that the seat is prevented from being pressed downwards under stress.

And a combined interlocking structure is arranged between the two extension sections to ensure that the two extension sections can be stably combined, so that the seat is supported. The combined interlocking structure comprises lugs and a connecting piece which are respectively arranged on the two extension sections. The two lugs are provided with coaxial screw holes, one end of the connecting piece is provided with threads, the other end of the connecting piece is provided with a twisting head, and the connecting piece is sequentially screwed into the screw holes of the two lugs.

Preferably, the bottom end of the supporting rod is provided with a horizontal hinge hole. The position that is close to horizontal hinge hole is equipped with the mounting groove, the preceding lateral wall of mounting groove is equipped with the connecting hole of the horizontal hinge hole of UNICOM. The support rod is hinged on the transverse frame through a horizontal hinge hole.

The third locking structure comprises two third limiting grooves, a third limiting piece and a third spring.

The two third limiting grooves are arranged on the periphery of the transverse frame and are positioned on the same cross section with the connecting holes.

The front end of third locating part is equipped with spacing protrusion, and the top is equipped with dials the piece, the third locating part is installed in the mounting groove, third spring compression sets up between the rear end of third locating part and the rear side wall of mounting groove, spacing protrusion stretches out to horizontal hinge hole through the connecting hole to the card goes into two one of third spacing groove promotes dial the piece, the third spring further compresses, spacing protrusion withdraws from the third spacing groove to realize the switching and the locking of seat position.

Preferably, the rear end of the first cushion is provided with a pair of symmetrical mounting lugs, and the mounting lugs are provided with horizontal through holes;

mounting cavities are arranged on two side parts of the bottom end of the movable backrest, circular abdicating holes which are butted with horizontal through holes of the mounting lugs are formed in the side parts of the bottom end of the movable backrest, and two fourth limiting grooves are formed in the peripheries of the abdicating holes;

the fourth locking structure further comprises a step-shaped cylindrical block, a fourth spring and a pressing block; the stepped cylindrical block is provided with a limiting convex column on a step, the stepped cylindrical block is arranged in the mounting cavity, and a small cylinder at the top end extends out of the abdicating hole and into a horizontal through hole of the mounting lug; the fourth spring is arranged between the bottom end of the stepped cylindrical block and the mounting cavity in a compressed mode and pushes the stepped cylindrical block, and the limiting convex column is limited in one of the two fourth limiting grooves; according to pressing block movable mounting in the horizontal through-hole of installation ear, the small circle post on step shape cylinder piece top is withstood to one end, and the other end extends from the outside of installation ear, presses down according to the pressing block, the fourth spring further compresses, spacing projection withdraws from two fourth spacing grooves, can rotate the activity back this moment, when rotating another state, spacing projection card is gone into in another fourth spacing groove, locks the activity back.

Preferably, telescopic handles are arranged on two sides of the top end of the movable backrest; inserting holes are formed in two sides of the top end of the movable backrest, and pressing holes communicated with the inserting holes are formed in the front end and the rear end of the movable backrest; a pair of limiting blocks is arranged in the telescopic handle, and a pre-tightened fifth spring is arranged between the two limiting holes; an opening is formed in the position, butted with the limiting block, in the telescopic handle, and a limiting head is arranged on the limiting block corresponding to the opening; the telescopic handle is inserted into the insertion hole, and the limiting head extends out of the opening of the telescopic handle and is clamped at the pressing hole of the movable backrest; the face of the limiting head, which faces the outer side of the telescopic handle and contacts with the side wall of the pressing hole, is provided with an inclined face or an arc face. The end part of the telescopic handle is pressed, the telescopic handle has an inward shrinkage trend, the side wall of the pressing hole extrudes the inclined plane or the arc surface of the limiting head, the limiting head overcomes the inward shrinkage of the fifth spring, and the shrinkage of the telescopic handle is realized.

As is apparent from the above description of the present invention, the present invention has the following advantageous effects:

1. the baby carriage has four functions and a folding shape, can be used as a walker, a scooter or a trojan, solves the defect of single function of the traditional baby carriage, and can also be deformed into the folding shape to occupy small space;

2. simple structure through four hinge structure and four corresponding locking mechanical system of group, realizes the state switching at four positions, easy operation avoids other with concatenation mode deformation bassinet forms, leads to spare part to lose the problem.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

Wherein:

FIG. 1 is an isometric view of a utility stroller; (wooden horse shape)

FIG. 2 is a second isometric view of a utility stroller; (wooden horse shape)

FIG. 3 is a top view of a multi-function stroller; (wooden horse shape)

FIG. 4 is a side elevational view of a multi-function stroller, generally designated three; (go-carts shape)

FIG. 5 is a side elevational view of a multi-function stroller four; (swift vehicle shape)

FIG. 6 is an isometric view of a utility stroller five; (scooter shape)

FIG. 7 is an isometric view six of a multi-function stroller; (collapsed configuration)

FIG. 8 is a first cross-sectional view of a multi-function stroller; (wooden horse shape)

FIG. 9 is a second cross-sectional view of a multi-function stroller; (wooden horse shape)

FIG. 10 is a third cross-sectional view of a multi-function stroller; (wooden horse shape)

FIG. 11 is a fourth cross-sectional view of a multi-function stroller;

FIG. 12 is a cross-sectional view five of a multi-function stroller;

fig. 13 is an exploded view of a multi-function stroller.

The labels in fig. 1 to 13 are: the transverse frame 1, the T-shaped limiting hole 11, the second limiting groove 12, the third limiting groove 13, the handlebar 2, the handlebar frame 21, the handle 22, the butt joint block 23, the first limiting groove 231, the first limiting member 24, the mounting plate 241, the pressing plate 242, the two ribs 243, the limiting rod 244, the button 245, the front wheel 3, the two support plates 4, the connecting section 41, the extending section 42, the T-shaped cylindrical limiting lug 411, the second limiting member 412, the pushing block 413, the combined interlocking structure 421, the seat 5, the support rod 51, the horizontal hinge hole 511, the mounting groove 512, the third limiting member 52, the shifting block 53, the first cushion 54, the mounting ear 541, the second cushion 55, the movable backrest 56, the mounting cavity 561, the fourth limiting groove 562, the stepped cylindrical block 563, the pressing block 564, the limiting convex column 565, the telescopic handle 566, the pressing hole 567, the limiting block 568 and the rear wheel 6.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

A multifunctional baby carriage comprises a transverse frame 1, a handlebar 2, two front wheels 3, two supporting plates 4, a seat 5 and two rear wheels 6. The configuration can be changed to the hobbyhorse shown in fig. 1 to fig. 3, the walker shown in fig. 4, the scooter shown in fig. 5, the scooter shown in fig. 6, and the storage configuration shown in fig. 7.

Referring to fig. 1 to 13, the handlebar 2 includes a handlebar frame 21 and grips 22 at both ends of the top of the handlebar frame 21. The front surface of the handle frame 21 is arched, and the side surface is arc-shaped. The two ends of the bottom of the handle frame 21 are hinged to the two ends of the transverse frame 1, and a first locking structure is arranged at the hinged position. Since the handlebar 2 can be relatively rotated with respect to the transversal frame 1, the handlebar 2 can be restricted to the erected state serving as the handlebar 2 of the walker or the laid-down state serving as the arc-shaped base of the hobbyhorse by the first locking structure.

Referring to fig. 8, in the present embodiment, the first locking structure includes a butt-joint block 23 and a first limiting member 24.

The butt-joint block 23 is arranged in the inner cavity at the bottom end of the handle frame 21 and is fixedly connected with the transverse frame 1 through an extension shaft, namely, the butt-joint block 23 is relatively fixed with the transverse frame 1. Two first limiting grooves 231 are formed on the periphery of the butt joint block 23. The first limiting groove 231 is strip-shaped, is parallel to the axis of the transverse frame 1, and penetrates through two ends of the butt-joint block 23.

The first limiting member 24 includes an installation plate 241, a pressing plate 242, two ribs 243 and a limiting rod 244. The mounting plate 241 is hinged in the inner cavity, one end of the mounting plate close to the axis of the transverse frame 1 is connected with the pressing plate 242, and the top of the other end of the pressing plate 242 is provided with a button 245 extending out from an opening on the wall surface of the inner cavity. The two ribs 245 are arranged at the bottom of the pressing plate 242 in parallel at intervals and are perpendicular to the axis of the transverse frame 1. The limiting rod 244 is installed between the two ribs 243 and is parallel to the first limiting groove 231. Be equipped with the first spring of pretension between the other end of mounting panel 241 and handle frame 21, through the elasticity of first spring, button 245 stretches out the opening, and gag lever post 244 blocks into two one in the first spacing groove 231, when will switching over, only need press button 245, first locating part 24 overcomes first spring and rotates to drive gag lever post 244 and withdraw from current first spacing groove 231, can rotate handlebar hand 2 this moment, when going to another state, because button 245 has been loosened, under the elastic force effect of first spring, gag lever post 244 is automatic to be blocked into another spacing groove, thereby locks handlebar hand 2 once more.

The two front wheels 3 are symmetrically arranged at two ends of the transverse frame 1.

The front ends of the two supporting plates 4 are respectively and crosswise hinged with the two sides of the transverse frame 1 in an inclined mode, and the hinge shaft is perpendicular to the axial direction of the transverse frame 1. And the hinged position is provided with a second locking structure which limits the two supporting plates 4 to be in an open state or a close state. Because the supporting plates 4 are obliquely and crossly hinged with the transverse frame 1, when the hinged position is rotated, the two supporting plates 4 can be close to each other or separate from each other, namely, the two supporting plates are opened, and when the two supporting plates are opened, the whole baby carriage can be stably supported, so that the requirements of a baby walker are met.

In this embodiment, the support plate 4 includes a connecting section 41 and an extending section 42. One end of the connecting section 41 is hinged to the transverse frame 1, the other end of the connecting section extends obliquely and crosswise with the axial direction of the transverse frame 1 and is connected with one end of the extending section 42, and the other end of the extending section 42 is a free end and extends perpendicular to the transverse frame 1.

The end of the connecting section 41 is provided with a T-shaped cylindrical limit projection 411 perpendicular to the transverse frame 1. The transverse frame 1 is provided with a T-shaped limiting hole 11, and the connecting section 41 is hinged to the transverse frame 1 through a T-shaped cylindrical limiting lug 411 and the T-shaped limiting hole 11 to realize the hinged connection of the support plate 4 and the transverse frame 1.

Referring to fig. 9, the second locking structure includes two second limiting grooves 12 and a second limiting member 412.

The two second limiting grooves 12 are symmetrically arranged on two sides of the T-shaped limiting hole 11.

The second limiting member 412 is a movable elastic bump disposed on one side of the T-shaped cylindrical limiting bump 411, and the movable elastic bump is provided with a pushing block 413 extending from the side of the connecting section 41. The movable elastic lug is clamped into one of the two second limiting grooves 12 to push the push block 413 to withdraw from the movable elastic lug, the connecting section 41 is turned over, the push block 413 is loosened, and the movable elastic lug is clamped into the other of the two second limiting grooves 12, so that the state switching and locking of the support plate 4 are realized.

The seat 51 comprises a support rod 51, a first cushion 54, a second cushion 55 and a movable backrest 56.

The second cushion 55 and the support bar 51 are vertically mounted on the bottom of the first cushion 54. The other end of the support rod 51 is hinged and installed in the middle of the transverse frame 1, the hinged shaft is parallel to the axial direction of the transverse frame 1, and a third locking structure which limits the seat 5 to a folding state attached to the handlebar 2 or a using state of the handlebar 2 on different sides of the transverse frame 1 is arranged at the hinged position. Because the seat 5 can rotate relative to the transverse frame 1, the seat can rotate to be attached to the erected vehicle handle 2 to form a folding state, or when the vehicle handle 2 is laid down to be attached to the supporting plate 4, the seat 5 rotates to the other side of the supporting plate 4 through a abdicating opening formed by the two opened supporting plates 4 and is erected, the whole baby carriage is turned upside down, the vehicle handle 2 becomes an arc-shaped base to become a hobbyhorse, the seat 5 is the seat 5 of the hobbyhorse, and the armrest at the end part of the seat becomes the handle of the hobbyhorse.

In this embodiment, the bottom end of the support rod 51 is provided with a horizontal hinge hole 511. A mounting groove 512 is arranged at a position close to the horizontal hinge hole 511, and a connecting hole communicated with the horizontal hinge hole 511 is arranged on the front side wall of the mounting groove 512. The support bar 51 is hinged to the transversal frame 1 by means of horizontal hinge holes 511.

Referring to fig. 10, the third locking structure includes two third limiting grooves 13, a third limiting member 52 and a third spring.

The two third limiting grooves 13 are arranged on the periphery of the transverse frame 1 and are positioned on the same cross section with the connecting holes.

The front end of third locating part 52 is equipped with spacing protrusion, and the top is equipped with dials piece 53, third locating part 52 is installed in mounting groove 512, the compression setting of third spring is between the rear end of third locating part 52 and the back lateral wall of mounting groove 512, spacing protrusion stretches out to horizontal hinge hole 511 through the connecting hole to the card is gone into two one of third spacing groove 13 promotes dial piece 53, the third spring further compresses, spacing protrusion withdraws from third spacing groove 13, thereby realizes the switching and the locking of seat 5 position.

The movable backrest 56 is hingedly attached to the rear end of the first seat cushion 54, and a fourth lock structure is provided at the hinged position to restrict the movable backrest 56 to a position corresponding to the backrest of the first seat cushion 54 or the backrest of the second seat cushion 55.

In this embodiment, a pair of symmetrical mounting ears 541 are disposed at the rear end of the first seat cushion 54, and the mounting ears 541 are provided with horizontal through holes.

Referring to fig. 11, two side portions of the bottom end of the movable backrest 56 are provided with mounting cavities 561, and the mounting cavities 561 are provided with circular abdicating holes abutting against the horizontal through holes of the mounting lugs 541 at the side portions of the bottom end of the movable backrest 56, and the circumference portions of the abdicating holes are provided with two fourth limiting grooves 56.

The fourth locking structure further comprises a stepped cylindrical block 563, a fourth spring and a pressing block 564; the stepped cylindrical block 563 is provided with a limiting convex column 565 on a step, the stepped cylindrical block 563 is installed in the installation cavity 561, and a small cylinder at the top end extends out of the abdicating hole and extends into a horizontal through hole of the installation lug 541; the fourth spring is arranged between the bottom end of the stepped cylindrical block 563 and the mounting cavity 561 in a compressed mode and pushes the stepped cylindrical block 563, and the limiting convex column 565 is limited in one of the two fourth limiting grooves 562; the pressing block 564 is movably mounted in the horizontal through hole of the mounting lug 541, one end of the pressing block is pressed against the small cylinder at the top end of the stepped cylindrical block 563, the other end of the pressing block extends out of the outer side of the mounting lug 541, the pressing block 564 is pressed, the fourth spring is further compressed, the limiting convex column 565 is withdrawn from the two fourth limiting grooves 562, the movable backrest 56 can be rotated at the moment, and when the movable backrest rotates to another state, the limiting convex column 565 is clamped into the other fourth limiting groove 562 to lock the movable backrest 56.

Referring to fig. 12, in order to improve the safety of the hobbyhorse in use, the two sides of the top end of the movable backrest 56 are provided with retractable handles 566; insertion holes are formed in two sides of the top end of the movable backrest 56, and pressing holes 567 communicated with the insertion holes are formed in the front end and the rear end of the movable backrest 56; a pair of limiting blocks 568 is arranged in the telescopic handle 566, and a pre-tightened fifth spring is arranged between the two limiting holes; an opening is formed in the position, which is butted with the limiting block 568, in the telescopic handle 566, and a limiting head is arranged at the position, which corresponds to the opening, of the limiting block 568; the telescopic handle 566 is inserted into the insertion hole, and the limiting head extends out of the opening of the telescopic handle 566 and is clamped at the pressing hole 567 of the movable backrest 56; the surface of the limiting head facing the outer side of the telescopic handle 566 and contacting the side wall of the pressing hole 567 is provided with a slope or a cambered surface. The end of the retractable handle 566 is pressed, the retractable handle 566 has an inward retraction trend, the side wall of the pressing hole 567 extrudes the inclined surface or the arc surface of the limiting head, the limiting head overcomes the inward retraction of the fifth spring, and the retraction of the retractable handle 566 is realized.

In order to further improve the stability of the seat 5 during use, when the two support plates 4 are in a close state, the extension sections 42 of the two support plates 4 are combined, the front end of the first cushion 54 or the front end of the second cushion 55 are supported on the two extension sections 42, so that the seat 5 is not forced to be pressed down, and meanwhile, a combined interlocking structure 421 is arranged between the two extension sections 42 to ensure that the two extension sections 42 can be stably combined, so that the support is provided for the seat 5. The method specifically comprises the following steps: the combination interlocking structure 421 includes an opposite ear and a connecting piece respectively disposed at the two extension sections 42. The two lugs are provided with coaxial screw holes, one end of the connecting piece is provided with threads, the other end of the connecting piece is provided with a twisting head, and the connecting piece is sequentially screwed into the screw holes of the two lugs.

The two rear wheels 6 are respectively arranged at the rear ends of the two supporting plates 4 and become wheels of the walker together with the two front wheels 3.

It can be seen that there are five configurations of the stroller, including,

the form of the sliding vehicle is as follows: the handlebar 2 is in the upright state, the two support plates 4 are in the close state, the seat 5 is in the use state on the same side of the transverse frame as the handlebar, the first cushion 54 serves as a chair for rolling the vehicle, and the movable backrest 56 is limited to a position as the backrest of the first cushion 54;

the scooter shape: the handlebar 2 is in an upright state, the two support plates 4 are in a close state, and the seat 5 is in a folding state;

the form of the walker: the handlebar 2 is in a vertical state, the two supporting plates 4 are in an open state, and the seat 5 is in a folding state;

the form of the wooden horse is as follows: handlebar 2 is for the state of falling down, open two backup pads 4 restriction are walked around to seat 5 at the user state. The two support plates 4 are switched to the close state;

folding and unfolding: the handlebar 2 is laid down, the two supporting plates 4 are opened, and the seat 5 is folded.

The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims (10)

1. A multi-function stroller, comprising:

a transverse frame;

the handlebar comprises a handlebar frame and handles at two ends of the top of the handlebar frame; the front surface of the handle frame is arched, and the side surface of the handle frame is arc-shaped; the two ends of the bottom of the handlebar frame are hinged with the two ends of the transverse frame, and a first locking structure for limiting the handlebar in a standing state or a laying state is arranged at the hinged position;

two front wheels symmetrically arranged at two ends of the transverse frame;

the front ends of the two supporting plates are obliquely and crossly hinged with the two sides of the transverse frame respectively, and the hinged shaft is vertical to the axial direction of the transverse frame; a second locking structure which limits the two supporting plates to be in an opening state or a close state is arranged at the hinged position;

the chair comprises a first cushion, a second cushion, a supporting rod and a movable backrest; the second cushion and the supporting rod are vertically arranged at the bottom of the first cushion; the other end of the supporting rod is hinged and installed in the middle of the transverse frame, the hinged shaft is parallel to the axial direction of the transverse frame, and a third locking structure which limits the seat to a folding state which is attached to the handlebar, or a using state which is at the same side of the transverse frame as the handlebar, or a using state which is at different sides of the transverse frame as the handlebar is arranged at the hinged position;

the movable backrest is hinged to the rear end of the first seat cushion, and a fourth locking structure which limits the movable backrest to be in the position of the backrest of the first seat cushion or in the position of the backrest of the second seat cushion is arranged at the hinged position;

two rear wheels respectively arranged at the rear ends of the two supporting plates;

the baby carriage has five forms including, for example,

the form of the sliding vehicle is as follows: the seat is in a use state with the handlebar on the same side of the transverse frame, the first cushion serves as a chair for sliding the vehicle, and the movable backrest is limited to a position of becoming a backrest of the first cushion;

the scooter shape: the handlebar is in a vertical state, the two supporting plates are in a close state, and the seat is in a folding state;

the form of the walker: the handlebar is in a standing state, the two supporting plates are in an opening state, and the seat is in a folding state;

the form of the wooden horse is as follows: the handlebar is in a laid-down state, and the seat is limited in a use state by bypassing the two opened supporting plates; the two supporting plates are switched to be in a close state;

folding and unfolding: the handlebar is in a laid-down state, the two supporting plates are in an open state, and the seat is in a folded state.

2. A multi-function stroller according to claim 1, wherein the first, second, third or fourth locking structure comprises two position-limiting grooves formed in one of the two hinge members and a position-limiting member formed in the other of the two movable hinge members, the position-limiting member being limited in one of the position-limiting grooves.

3. A multi-function stroller according to claim 1, wherein said first locking structure comprises a docking block and a first stop;

the butt joint block is arranged in an inner cavity at the bottom end of the handle frame and is fixedly connected with the transverse frame through an extension shaft; two first limiting grooves are formed in the periphery of the butt joint block; the first limiting groove is in a strip shape, is parallel to the axis of the transverse frame and penetrates through two ends of the butt joint block;

the first limiting part comprises an installation plate, a pressing plate, two rib plates and a limiting rod; the mounting plate is hinged in the inner cavity, one end of the mounting plate close to the axis of the transverse frame is connected with the pressing plate, and the top of the other end of the pressing plate is provided with a button extending out from an opening on the wall surface of the inner cavity; the two rib plates are arranged at the bottom of the pressing plate in parallel at intervals and are vertical to the axis of the transverse frame; the limiting rod is arranged between the two rib plates and is parallel to the first limiting groove; the utility model discloses a portable electronic device, including mounting panel, button, gag lever post, first spring, the setting of mounting panel is equipped with the pretension between the other end of mounting panel and the handle frame, through the elasticity of first spring, the button stretches out the opening, and the gag lever post card is gone into two one in the first spacing groove.

4. A multi-function stroller according to claim 1, wherein said support plate comprises a connecting section and an extending section; one end of the connecting section is hinged to the transverse frame, the other end of the connecting section extends in a crossed mode with the axial direction of the transverse frame in an inclined mode and is connected with one end of the extending section, the other end of the extending section is a free end and is perpendicular to the transverse frame in an extending mode.

5. A multi-function stroller according to claim 4, wherein the end of the connecting section is provided with a T-shaped cylindrical limit projection perpendicular to the transverse frame; the transverse frame is provided with a T-shaped limiting hole, and the connecting section is hinged to the transverse frame through a T-shaped cylindrical limiting lug and the T-shaped limiting hole.

6. A multi-function stroller according to claim 5, wherein said second locking structure comprises two second stopper grooves and a second stopper;

the two second limiting grooves are symmetrically arranged on two sides of the T-shaped limiting hole;

the second limiting part is a movable elastic lug arranged on one side of the T-shaped cylindrical limiting lug, and the movable elastic lug is provided with a push block extending out of the side part of the connecting section; the movable elastic lug is clamped into one of the two second limiting grooves to push the push block, the movable elastic lug is withdrawn, the connecting section is turned over, the push block is loosened, and the movable elastic lug is clamped into the other of the two second limiting grooves.

7. A multi-function stroller according to claim 4, wherein the extension portions of the two support plates are combined when the two support plates are in the close state; a combined interlocking structure is arranged between the two extension sections; the combined interlocking structure comprises lugs and a connecting piece which are respectively arranged on the two extension sections; the two lugs are provided with coaxial screw holes, one end of the connecting piece is provided with threads, the other end of the connecting piece is provided with a twisting head, and the connecting piece is sequentially screwed into the screw holes of the two lugs.

8. A multi-function stroller according to claim 1, wherein the bottom end of the supporting rod is provided with a horizontal hinge hole; a mounting groove is arranged at a position close to the horizontal hinge hole, and a connecting hole communicated with the horizontal hinge hole is formed in the front side wall of the mounting groove; the supporting rod is hinged on the transverse frame through a horizontal hinge hole;

the third locking structure comprises two third limiting grooves, a third limiting piece and a third spring;

the two third limiting grooves are arranged on the periphery of the transverse frame and are positioned on the same cross section with the connecting holes;

the front end of third locating part is equipped with spacing protrusion, and the top is equipped with dials the piece, the third locating part is installed in the mounting groove, third spring compression sets up between the rear end of third locating part and the rear side wall of mounting groove, spacing protrusion stretches out to horizontal hinge hole through the connecting hole to the card goes into two one of third spacing groove promotes dial the piece, the third spring further compresses, spacing protrusion withdraws from the third spacing groove.

9. A multi-function stroller according to claim 1, wherein a pair of symmetrical mounting ears are provided at the rear end of the first seat cushion, and the mounting ears are provided with horizontal through holes;

mounting cavities are arranged on two side parts of the bottom end of the movable backrest, circular abdicating holes which are butted with horizontal through holes of the mounting lugs are formed in the side parts of the bottom end of the movable backrest, and two fourth limiting grooves are formed in the peripheries of the abdicating holes;

the fourth locking structure further comprises a step-shaped cylindrical block, a fourth spring and a pressing block; the stepped cylindrical block is provided with a limiting convex column on a step, the stepped cylindrical block is arranged in the mounting cavity, and a small cylinder at the top end extends out of the abdicating hole and into a horizontal through hole of the mounting lug; the fourth spring is arranged between the bottom end of the stepped cylindrical block and the mounting cavity in a compressed mode and pushes the stepped cylindrical block, and the limiting convex column is limited in one of the two fourth limiting grooves; the pressing block is movably arranged in the horizontal through hole of the mounting lug, one end of the pressing block abuts against the small cylinder at the top end of the stepped cylindrical block, the other end of the pressing block extends out of the outer side of the mounting lug, the fourth spring is further compressed when the pressing block is pressed, and the limiting convex columns are withdrawn from the two fourth limiting grooves.

10. A multi-function stroller according to claim 1, wherein the movable backrest is provided with telescopic handles at both sides of the top end thereof; inserting holes are formed in two sides of the top end of the movable backrest, and pressing holes communicated with the inserting holes are formed in the front end and the rear end of the movable backrest; a pair of limiting blocks is arranged in the telescopic handle, and a pre-tightened fifth spring is arranged between the two limiting holes; an opening is formed in the position, butted with the limiting block, in the telescopic handle, and a limiting head is arranged on the limiting block corresponding to the opening; the telescopic handle is inserted into the insertion hole, and the limiting head extends out of the opening of the telescopic handle and is clamped at the pressing hole of the movable backrest; the face of the limiting head, which faces the outer side of the telescopic handle and contacts with the side wall of the pressing hole, is provided with an inclined face or an arc face.

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