CN201769858U

CN201769858U - Baby carriage

Info

Publication number: CN201769858U
Application number: CN2010202521316U
Authority: CN
Inventors: 马福生
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2010-06-30
Filing date: 2010-06-30
Publication date: 2011-03-23
Anticipated expiration: 2020-06-30

Abstract

Disclosed is a baby carriage. Each side support comprises an underframe, a front stand, a rear stand and a connecting rod, wherein the length of the underframe extends along the front and back direction, the lower end of the front stand is rotationally connected with the underframe, the lower end of the rear stand is rotationally connected with the underframe, the front end of the connecting rod is rotationally connected with the upper end of the front stand, the connecting rod is rotationally connected with the upper end of the rear stand, the front of the underframe can be provided with a front wheel component in an overturning mode, the rear of the underframe can be provided with a rear wheel component in an overturning mode, the lower surface of the underframe is provided with an arc-shaped track, wherein the length of the arc-shaped track extends along the front and back direction, the middle of the arc-shaped track is arched downwards, and the front stand, the rear stand, the connecting rod and the underframe form a quadrangle. The baby carriage is provided with a cart position and a rocking chair position, wherein the baby carriage can be pushed when at the cart position and can be rocked when at the rocking chair position. A cart frame is simple in structure, and after the frame is folded and the front wheel component and the rear wheel component are overturned, the volume of the baby carriage is smaller. When the cart frame is unfolded and after the front wheel component and the rear wheel component are overturned, the baby carriage can be utilized as a rocking chair, thereby increasing enjoyment for children during usage.

Description

Perambulator

Technical field

The utility model relates to a kind of infant of confession to be taken, and the adult can be at the perambulator of back implementation.

Background technology

In the prior art, be called pull-shake type perambulator as the open name of State Intellectual Property Office, publication number is shown in 1463877.A kind of perambulator, at least comprise front-wheel support, the upper end of leading section and the front-wheel support bonded assembly side handrail that rotates, the upper end of upper end and the described side handrail bonded assembly rear wheel support that rotates, the rearward end of bottom and the side handrail bonded assembly pushing hands bar that rotates, can be rotatably connected on the connecting rod between pushing hands bar and the rear wheel support, can be rotatably connected on the seat post between pushing hands bar and the front-wheel support, arc frame, the rear portion of arc frame is connected with the rear wheel support phase pivot, the front portion of arc frame can be provided with mutually with front-wheel support with dismantling, under the effect of front wheel carrier and rear wheel frame, front-wheel and trailing wheel can overturn respectively.Thereby make perambulator have the go-cart position with can before and after push away the position of shaking.

The utility model content

The technical problems to be solved in the utility model provides a kind of can carrying out, also can be as the perambulator of rocking chair use.

In order to solve the problems of the technologies described above, a kind of technical scheme that the utility model adopts is: a kind of perambulator, comprise go-cart vehicle frame with expanded position and folding position, front component, wheel assembly, seat mechanism, described go-cart vehicle frame is locked in car load lockout mechanism under the expanded position, described go-cart vehicle frame comprises side stand in the left and right sides, be connected many cross bars between the described side stand of both sides, described seat mechanism is arranged between the described side stand of both sides, and the described side stand of every side comprises

Underframe, the length of described underframe is extended along fore-and-aft direction, the front portion of described underframe can be provided with described front component turningly, the rear portion of described underframe can be provided with described wheel assembly turningly, and the lower surface of described underframe has length along fore-and-aft direction extends and arch upward in the middle part arching trajectory downwards;

Front frame, the bottom of described front frame is connected by first rotating shaft rotatedly with described underframe;

After poppet, the bottom of described after poppet is connected by second rotating shaft rotatedly with described underframe;

Connecting rod, the leading section of described connecting rod is connected by the 3rd rotating shaft rotatedly with the upper end of described front frame, and described connecting rod is connected by the 4th rotating shaft rotatedly with the upper end of described after poppet,

Described first rotating shaft is positioned at the place ahead of described second rotating shaft, and described the 3rd rotating shaft is positioned at the place ahead of described the 4th rotating shaft, and described front frame, described after poppet, described connecting rod, described underframe constitute quadrangle,

Described perambulator has the go-cart position that can carry out and the rocking chair position that can wave, when described perambulator is under the go-cart position, the lowest part of the lowest part of the described front component of both sides and the described wheel assembly of both sides is lower than the lowest part of the described underframe of both sides respectively, the described front component of both sides and the described wheel assembly of both sides can form described go-cart vehicle frame and support, when described perambulator is under the rocking chair position, the lowest part of the described underframe of both sides is lower than the lowest part of the described wheel assembly of the lowest part of described front component of both sides and both sides respectively, and the described underframe of both sides can form described go-cart vehicle frame and support.

In some embodiments, the described front component of every side comprises the front-wheel joint, can be arranged on the front-wheel on the described front-wheel joint rotationally, the described wheel assembly of every side comprises the trailing wheel joint, trailing wheel on the described trailing wheel joint in ground can be set rotationally, be permanently connected by adapter shaft between described trailing wheel joint and the described front-wheel joint, the described adapter shaft of every side is connected rotatedly with the described underframe of respective side, and the length direction of described adapter shaft extends along fore-and-aft direction, and described perambulator also comprises the synchronizing controls of the described relatively go-cart vehicle frame upset of the described wheel assembly that is used for the synchro control both sides between the described trailing wheel joint of both sides.Easy to operate.

In some further embodiment, described synchronizing controls comprises control lever, two anterior component of described control lever are not connected rotatedly with the described underframe of respective side, and the rotational axis line of described control lever extends along the left and right directions of go-cart vehicle frame

When described perambulator is under the go-cart position, the relative respectively ground of the described front-wheel of both sides and the trailing wheel of both sides is holded up and can be rolled on the ground, the rear portion support of described control lever is located between the described trailing wheel joint of both sides, when described perambulator is under the rocking chair position, the described trailing wheel relative ground overturning of the described front-wheel of both sides and both sides and be positioned at described go-cart vehicle frame under

Be provided with between the described underframe of the described trailing wheel joint of every side or described front-wheel joint or adapter shaft and respective side when described perambulator is in and limit the stop gear that the relative described underframe of described trailing wheel joint flips to the outside go-cart the position under,

Be provided with between described control lever and the described go-cart vehicle frame and be used for described perambulator is locked in lockover mechanism under the go-cart position.

In some further again embodiment, be provided with braking mechanism between the described trailing wheel joint of every side and the described trailing wheel, the rear portion, both sides of described control lever have respectively can with the inconsistent control part of described trailing wheel joint of respective side, described braking mechanism comprises along same direction and is slidingly arranged in brake pin and control knob on the described trailing wheel joint, be opened in a plurality of brake grooves on the described wheel, the sliding trace line of described brake pin parallels with the rotational axis line of described trailing wheel, the center of rotation that described brake groove is distributed in described trailing wheel is on the circumferencial direction in the center of circle

When described perambulator is under the go-cart position, the described braking mechanism of every side has normal danger and un-brake position, when described braking mechanism is positioned under the normal danger, described control part and described control knob are inconsistent, described control knob and described brake pin are inconsistent, described brake pin is inserted in the described brake groove, when described braking mechanism is positioned under the un-brake position, described brake pin and all described brake groove all are separated, be provided with between described control knob and the described brake pin and be used to make that described control knob has the control knob elastic component away from described brake pin trend, described brake pin and described take turns to be provided with between the joint be used to make that described brake pin has the brake pin elastic component away from the described trailing wheel trend of respective side.

Continue in the further embodiment at some, have guiding surface on described control knob or the described control part.

In the further embodiment of some another continuation, described lockover mechanism comprise along fore-and-aft direction be arranged at the tapered end on the leading section of described control lever slidably, the described tapered end of confession that is opened on the described go-cart vehicle frame inserts and can allow first locked groove of described tapered end in the above-below direction slip, when described perambulator is under the go-cart position, described tapered end can be inserted in described first locked groove slidably along above-below direction, and described lockover mechanism also comprises described tapered end stably is inserted in elastic component in described first locked groove.

Continue in the further embodiment at some, described lockover mechanism is arranged between described control lever and the corresponding described underframe again.

In some another further again embodiment, described control lever comprises at the side lever of left and right sides portion, is connected the cross bar of controlling between the rear portion of described side lever of both sides, and the front portion of the side lever of every side is connected rotatedly with the described underframe of respective side.

In some embodiments, the described connecting rod of every side form pulling handle rod backward from described the 4th rotating shaft place, described seat mechanism is arranged between the described connecting rod of both sides or is arranged between the described pulling handle rod of both sides.

Scope of the present utility model is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.Disclosed technical scheme that forms but technical characterictic that be not limited to have similar functions is replaced mutually etc. among for example above-mentioned feature and the application.

Because technique scheme utilization, the utility model compared with prior art has following advantage: the utility model provides the technical scheme of another kind of design concept, described front frame, described after poppet, described connecting rod, described underframe constitute quadrangle, realize the folding of car load by tetragonal distortion, structure is simpler, behind the vehicle frame folding, and after front component and the wheel assembly upset, the perambulator volume is less.When the go-cart vehicle frame is under the expanded position, and after front component and the wheel assembly upset, perambulator can be made rocking chair and use, and has increased the interest that children use.

Description of drawings

Accompanying drawing 1 is front view of the present utility model (perambulator is under the go-cart position, and the go-cart vehicle frame is positioned under the expanded position);

Accompanying drawing 2 is front view of the present utility model (perambulator is under the go-cart position, and the go-cart vehicle frame is arranged in the switching process of expanded position and folding position);

Accompanying drawing 3 is front view of the present utility model (perambulator is under the go-cart position, and the go-cart vehicle frame is positioned under the folding position);

Accompanying drawing 4 is front view of the present utility model (perambulator is under the rocking chair position, and the go-cart vehicle frame is positioned under the expanded position);

Accompanying drawing 5 is front view of the present utility model (perambulator is under the rocking chair position, and the go-cart vehicle frame is arranged in the switching process of expanded position and folding position);

Accompanying drawing 6 is front view of the present utility model (perambulator is under the rocking chair position, and the go-cart vehicle frame is positioned under the folding position);

Accompanying drawing 7 is block diagram of the present utility model (perambulator is under the go-cart position, and the go-cart vehicle frame is positioned under the expanded position);

Accompanying drawing 8 is block diagram of the present utility model (perambulator is under the rocking chair position, and the go-cart vehicle frame is positioned under the expanded position);

Accompanying drawing 9 is right elevation of the present utility model (perambulator is under the go-cart position, and the go-cart vehicle frame is positioned under the expanded position);

Accompanying drawing 10 is the A-A place cutaway view of accompanying drawing 9;

Accompanying drawing 11 is the B-B place cutaway view of accompanying drawing 1;

Accompanying drawing 12 is the C-C place cutaway view of accompanying drawing 7;

Wherein: 1, go-cart vehicle frame; 2, front component; 3, wheel assembly; 4, seat mechanism; 5, underframe; 6, front frame; 7, after poppet; 8, connecting rod; 9, adapter shaft; 10, second rotating shaft; 11, the 3rd rotating shaft; 12, the 4th rotating shaft; 13, front-wheel joint; 14, front-wheel; 15, trailing wheel joint; 16, trailing wheel; 17, control lever; 18, brake pin; 19, control knob; 20, brake groove; 21, control knob elastic component; 22, brake pin elastic component; 23, tapered end; 24, first locked groove.

The specific embodiment

Shown in accompanying drawing 1-accompanying drawing 9, a kind of perambulator, comprise go-cart vehicle frame 1 with expanded position and folding position, front component 2, wheel assembly 3, seat mechanism 4, described go-cart vehicle frame 1 is locked in car load lockout mechanism under the expanded position, described go-cart vehicle frame 1 comprises side stand in the left and right sides, be connected many cross bars between the described side stand of both sides, and perambulator laterally can not fold gathering.

Described seat mechanism 4 is arranged between the described side stand of both sides, and the described side stand of every side comprises

Underframe 5, the length of described underframe 5 is extended along fore-and-aft direction, the front portion of described underframe 5 can be provided with described front component 2 turningly, the rear portion of described underframe 5 can be provided with described wheel assembly 3 turningly, and the lower surface of described underframe 5 has length along fore-and-aft direction extends and arch upward in the middle part arching trajectory downwards;

Front frame 6, the bottom of described front frame 6 is connected by first rotating shaft rotatedly with described underframe 5;

After poppet 7, the bottom of described after poppet 7 is connected by second rotating shaft 10 rotatedly with described underframe 5;

Connecting rod 8, the leading section of described connecting rod 8 is connected by the 3rd rotating shaft 11 rotatedly with the upper end of described front frame 6, and described connecting rod 8 is connected by the 4th rotating shaft 12 rotatedly with the upper end of described after poppet 7,

Described first rotating shaft is positioned at the place ahead of described second rotating shaft 10, described the 3rd rotating shaft 11 is positioned at the place ahead of described the 4th rotating shaft 12, described front frame 6, described after poppet 7, described connecting rod 8, described underframe 5 constitute quadrangle, the car load lockout mechanism is not the utility model emphasis, usually the lockout mechanism that locks between two rotatable parts can both can be used at this, as being arranged at the 4th rotating shaft 12 places.

Described perambulator has the go-cart position that can carry out and the rocking chair position that can wave, as accompanying drawing 1-accompanying drawing 3, shown in the accompanying drawing 7, when described perambulator is under the go-cart position, the lowest part of the lowest part of the described front component 2 of both sides and the described wheel assembly 3 of both sides is lower than the lowest part of the described underframe 5 of both sides respectively, the described front component 2 of both sides can form described go-cart vehicle frame 1 with the described wheel assembly 3 of both sides and support, as accompanying drawing 4-accompanying drawing 6, shown in the accompanying drawing 8, when described perambulator is under the rocking chair position, the lowest part of the described underframe 5 of both sides is lower than the lowest part of the described wheel assembly 3 of the lowest part of described front component 2 of both sides and both sides respectively, and the described underframe 5 of both sides can form described go-cart vehicle frame 1 and support.

Shown in accompanying drawing 1-accompanying drawing 9, the formation pulling handle rod that extends back from described the 4th rotating shaft 12 places of the described connecting rod 8 of every side, can be integrally formed between described connecting rod 8 and the described pulling handle rod, also can be the formation that is fixedly connected, described seat mechanism can be described as between the described connecting rod 8 that is arranged at both sides or also can be described as between the described pulling handle rod that is arranged at both sides.

As shown in Figure 12, the described front component 2 of every side comprises front-wheel joint 13, can be arranged on the front-wheel 14 on the described front-wheel joint 13 rotationally, the described wheel assembly 3 of every side comprises trailing wheel joint 15, trailing wheel 16 on the described trailing wheel joint 15 in ground can be set rotationally, be permanently connected by adapter shaft 9 between described trailing wheel joint 15 and the described front-wheel joint 13, the described adapter shaft 9 of every side is connected rotatedly with the described underframe 5 of respective side, and the length direction of described adapter shaft 9 extends along fore-and-aft direction, shown in accompanying drawing 8-accompanying drawing 10, described perambulator also comprises the synchronizing controls of described relatively go-cart vehicle frame 1 upset of the described wheel assembly 3 that is used for the synchro control both sides between the described trailing wheel joint 15 of both sides.

Shown in accompanying drawing 8-accompanying drawing 10, the described synchronizing controls of control lever of upset comprises control lever 17 synchronously, two anterior component of described control lever 17 are not connected rotatedly with the described underframe 5 of respective side, the rotational axis line of described control lever 17 extends along the left and right directions of go-cart vehicle frame 1, as accompanying drawing 1-accompanying drawing 3, shown in the accompanying drawing 7, when described perambulator is under the go-cart position, the relative respectively ground of the described front-wheel 14 of both sides and the trailing wheel 16 of both sides is holded up and can be rolled on the ground, the rotational axis line of described front-wheel 14 parallels with the rotational axis line of described trailing wheel 16, the rear portion support of described control lever 17 is located between the described trailing wheel joint 15 of both sides, as accompanying drawing 4-accompanying drawing 6, shown in the accompanying drawing 8, when described perambulator is under the rocking chair position, the described front-wheel 14 of both sides and the 16 relative ground overturnings of the described trailing wheel of both sides and be positioned at described go-cart vehicle frame 1 under, be provided with between the described underframe 5 of the described trailing wheel joint 15 of every side or described front-wheel joint 13 or adapter shaft 9 and respective side when described perambulator is in and limit the stop gear that described trailing wheel joint 15 relative described underframe 5 flip to the outside go-cart the position under, (stop gear can be to adopt two lug bosses mutually spacing, as first lug boss is arranged on front-wheel joint 13, on underframe 5, has second lug boss, when perambulator is under the go-cart position, first lug boss and second projection are inconsistent, and then both can not rotate), be provided with between described control lever 17 and the described go-cart vehicle frame 1 and be used for described perambulator is locked in lockover mechanism under the go-cart position.Described control lever 17 comprises side lever in left and right sides portion, be connected the cross bar of controlling between the rear portion of described side lever of both sides, and the front portion of the side lever of every side is connected rotatedly with the described underframe 5 of respective side.

If be not provided for the synchronizing controls of described relatively go-cart vehicle frame 1 upset of the described wheel assembly 3 of synchro control both sides between the described trailing wheel joint 15 of both sides, promptly can only return upset separately separately, between the described trailing wheel joint 15 of every side and the corresponding described underframe 5 independent wheel lock mechanism can be set, concrete wheel lock mechanism is not limit, as long as the wheel lock mechanism that locks between can the parts with two rotation relations can be suitable for.

Based on above-described control lever 17, as shown in Figure 11, be provided with braking mechanism between the described trailing wheel joint 15 of every side and the described trailing wheel 16, the rear portion, both sides of described control lever 17 have respectively can be inconsistent with the described trailing wheel joint 15 of respective side control part, this control part is positioned on the side lever of a side of control lever 17, described braking mechanism comprises along same direction and is slidingly arranged in brake pin 18 and control knob 19 on the described trailing wheel joint 15, be opened in a plurality of brake grooves 20 on the described wheel, the sliding trace line of described brake pin 18 parallels with the rotational axis line of described trailing wheel 16, the center of rotation that described brake groove 20 is distributed in described trailing wheel 16 is on the circumferencial direction in the center of circle, when described perambulator is under the go-cart position, the described braking mechanism of every side has normal danger and un-brake position, when described braking mechanism is positioned under the normal danger, described control part and described control knob 19 are inconsistent, it is 18 inconsistent that described control knob 19 and described brake are sold, described brake pin 18 is inserted in the described brake groove 20, as shown in Figure 11, when described braking mechanism is positioned under the un-brake position, described control part does not act on mutually with described control knob 19, (be that described control part and described control knob 19 can be separated, also can be that both are not separated fully, but described control part is inoperative to described control knob 19), described brake pin 18 all is separated with all described brake groove 20, be provided with between described control knob 19 and the described brake pin 18 and be used to make that described control knob 19 has the control knob elastic component 21 of 18 trend of selling away from described brake, described brake pin 18 and described take turns to be provided with between the joint be used to make that described brake pin 18 has the brake pin elastic component 22 away from described trailing wheel 16 trend of respective side.Has guiding surface on the described control knob 19.Rotate described control lever 17 and then make described control part conflict on described guiding surface, make described control knob 19 obtain displacement, thereby make described brake pin 18 enter in the described brake groove 20.

Described control lever 17 is directly trampled in operating process, brake operation, pin downwards, and described control part compresses on the described control knob 19, thereby braking mechanism makes carriage for children brake.

The un-brake operation, upwards hook described control lever 17, make described control part and described control knob 19 not act on, thereby make corresponding braking mechanism return to the un-brake position under the effect that elastic component 22 is sold in the control knob elastic component 21 and the brake of every side, carriage for children is a un-brake.

In brake and un-brake process, the slewing area of described control lever 17 will be subjected to the restriction of first locked groove 24 of the following stated.

As shown in Figure 10, described lockover mechanism comprise along fore-and-aft direction be arranged at the tapered end 23 on the leading section of described control lever 17 slidably, the described tapered end 23 of confession that is opened on the described underframe 5 inserts and can allow first locked groove 24 of described tapered end 23 in the above-below direction slip, when described perambulator is under the go-cart position, described tapered end 23 can be inserted in described first locked groove 24 slidably along above-below direction, and described lockover mechanism also comprises described tapered end 23 stably is inserted in elastic component in described first locked groove 24.Described lockover mechanism also comprises second locked groove that is opened on the described go-cart vehicle frame 1, described first locked groove 24 is positioned at the top of described second locked groove, when described perambulator is under the rocking chair position, described tapered end 23 is inserted in described second locked groove.When described braking mechanism in the switching process of normal danger and un-brake position, the rotation of described control lever 17 will be subjected to the restriction of described first locked groove 24.Described lockover mechanism is arranged between described control lever 17 and the corresponding described underframe 5.

After described tapered end 13 transferred in first locked groove 24, just control lever 17 upwards can be lifted, even it breaks away between the described trailing wheel joint 15 of both sides, the front component 2 of both sides and the wheel assembly 3 of both sides can both overturn and turn over to described go-cart vehicle frame 1.At this moment, again tapered end 13 is inserted described second locked groove, the position of control lever 17 is just locked.

As mentioned above, we are illustrated according to aim of the present utility model fully, but the utility model is not limited to the foregoing description and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought permission of the present utility model.

Claims

1. A stroller, comprising a stroller frame (1), a front wheel assembly (2), a rear wheel assembly (3), a seat mechanism (4) with an unfolded position and a folded position, and the described stroller frame (1) The vehicle locking mechanism locked in the unfolded position, the cart frame (1) includes side brackets located on the left and right sides, and a plurality of cross bars connected between the side brackets on both sides , the seat mechanism (4) is arranged between the side brackets on both sides, characterized in that: the side brackets on each side include

Underframe (5), the length of the underframe (5) extends along the front-to-rear direction, and the front part of the underframe (5) is reversibly provided with the front wheel assembly (2), the The rear part of the underframe (5) can be turned over and provided with the rear wheel assembly (3), and the lower surface of the underframe (5) has an arc extending along the front-to-back direction and the middle part is arched downward. shaped track;

A front bracket (6), the lower end of the front bracket (6) is rotatably connected to the underframe (5) through a first rotating shaft;

a rear bracket (7), the lower end of the rear bracket (7) is rotationally connected to the underframe (5) through a second rotating shaft (10);

A connecting rod (8), the front end of the connecting rod (8) is rotatably connected to the upper end of the front bracket (6) through a third rotating shaft (11), and the connecting rod (8) is connected to the The upper end of the rear bracket (7) is rotatably connected through the fourth rotating shaft (12),

The first rotating shaft is located in front of the second rotating shaft (10), the third rotating shaft (11) is located in front of the fourth rotating shaft (12), and the front bracket (6), Described rear bracket (7), described connecting rod (8), described underframe (5) form quadrilateral,

The baby stroller has a pushing cart position and a swingable rocking chair position. When the baby carriage is in the pushing cart position, the lowest points of the front wheel assemblies (2) on both sides and the front wheel assemblies (2) on both sides The lowest points of the rear wheel assembly (3) are respectively lower than the lowest points of the chassis (5) on both sides, the front wheel assembly (2) on both sides and the rear wheel assembly on both sides (3) It can support the stroller frame (1). When the stroller is in the rocking chair position, the lowest points of the bottom frames (5) on both sides are respectively lower than the bottom frames on both sides. The lowest point of the front wheel assembly (2) and the lowest point of the rear wheel assembly (3) on both sides, the bottom frame (5) on both sides can support the cart frame (1) form a support.

2. The stroller according to claim 1, characterized in that: said front wheel assembly (2) on each side includes a front wheel joint (13), which is rotatably arranged on said front wheel joint (13) the front wheel (14), the rear wheel assembly (3) on each side includes a rear wheel joint (15), and a rear wheel (16) on the rear wheel joint (15) that can be rotatably arranged, so The rear wheel joint (15) and the front wheel joint (13) are fixedly connected by a connecting shaft (9), and the connecting shaft (9) on each side is connected to the bottom of the corresponding side. The frame (5) is connected in a rotatable manner, and the length direction of the connecting shaft (9) extends along the front and rear directions, and the baby carriage also includes a joint between the rear wheel joints (15) on both sides A synchronous control mechanism for synchronously controlling the turning of the rear wheel assembly (3) on both sides relative to the cart frame (1).

3. The stroller according to claim 2, characterized in that: the synchronous control mechanism includes a joystick (17), and the front parts on both sides of the joystick (17) are respectively connected to the bottom of the corresponding side. The frames (5) are rotatably connected, and the axis of rotation of the control lever (17) extends along the left and right directions of the cart frame (1),

When the stroller is in the stroller position, the front wheels (14) on both sides and the rear wheels (16) on both sides stand up respectively relative to the ground and can roll on the ground, and the control lever (17 ) is braced between the rear wheel joints (15) on both sides. When the stroller is in the rocking chair position, the front wheels (14) on both sides and the The rear wheel (16) overturns relative to the ground and is positioned directly below the cart frame (1),

Between the described rear wheel joint (15) of each side or the described front wheel joint (13) or connecting shaft (9) and the described underframe (5) of the corresponding side, be provided with when the baby carriage is in A limiting mechanism that limits the turning of the rear wheel joint (15) to the outside relative to the chassis (5) at the position of the trolley,

A turn-over locking mechanism for locking the stroller in the stroller position is arranged between the control lever (17) and the stroller frame (1).

4. The stroller according to claim 3, characterized in that: a brake mechanism is set between the rear wheel joint (15) on each side and the rear wheel (16), and the control lever (17) The rear parts on both sides of ) respectively have a control part that can interfere with the said rear wheel joint (15) on the corresponding side, and the brake mechanism includes a ) on the brake pin (18) and the control button (19), a plurality of brake grooves (20) opened on the wheel, the sliding trajectory of the brake pin (18) and the rear wheel ( 16) are parallel to the axis of rotation, and the brake grooves (20) are distributed in the circumferential direction with the axis of rotation of the rear wheel (16) as the center of the circle,

When the stroller is in the pusher position, the brake mechanism on each side has a brake position and a brake release position, and when the brake mechanism is in the brake position, the control part and the control button ( 19), the control button (19) is in conflict with the brake pin (18), and the brake pin (18) is inserted in one of the brake grooves (20), when the The brake mechanism is located at the brake release position, the brake pin (18) is disengaged from all the brake grooves (20), and between the control button (19) and the brake pin (18) A control button elastic member (21) for making the control button (19) have a tendency to move away from the brake pin (18) is provided, and a useful The brake pin elastic member (22) is used to cause said brake pin (18) to have a tendency away from said rear wheel (16) on the corresponding side.

5. A stroller according to claim 4, characterized in that: said control button (19) or said control part has a guiding slope.

6. A stroller according to claim 4, characterized in that: the overturn locking mechanism comprises a lock head (23) which is slidably arranged on the front end of the control lever (17) along the front-rear direction , the first lock groove (24) that is provided on the cart frame (1) for the insertion of the lock head (23) and can allow the lock head (23) to slide in the up and down direction, when When the stroller is in the stroller position, the lock head (23) can be slidably inserted in the first lock slot (24) along the up and down direction, and the overturn locking mechanism also includes the The lock head (23) is stably inserted into the elastic member in the first lock groove (24).

7. A stroller according to claim 6, characterized in that: the flip locking mechanism is arranged between the control lever (17) and the corresponding chassis (5).

8. A stroller according to claim 3, characterized in that: the control lever (17) includes side bars located on the left and right sides, and connected between the rear parts of the side bars on both sides The front part of the side bar on each side is rotationally connected with the said underframe (5) on the corresponding side.

9. A baby carriage according to claim 1, characterized in that: said connecting rod (8) on each side extends backward from said fourth rotating shaft (12) to form a push handle bar, said The seat mechanism is arranged between the connecting rods (8) on both sides or between the push handle bars on both sides.