CN217753869U

CN217753869U - Walk baby car

Info

Publication number: CN217753869U
Application number: CN202221528026.XU
Authority: CN
Inventors: 洪余剑
Original assignee: Yongkang Xincan Industrial Product Design Co ltd
Current assignee: Yongkang Xincan Industrial Product Design Co ltd
Priority date: 2022-06-18
Filing date: 2022-06-18
Publication date: 2022-11-08
Anticipated expiration: 2032-06-18

Abstract

The utility model belongs to the technical field of baby carriages, in particular to a baby strolling vehicle, which comprises a frame, wherein a seat is arranged on the frame, the frame comprises a front wheel carrier and a rear wheel carrier which are rotationally connected, a handle bar is also rotationally arranged on the front wheel carrier, a first connecting bar is arranged between the handle bar and the rear wheel carrier, the front wheel carrier, the rear wheel carrier, the first connecting bar and the handle bar form a four-bar mechanism, and a locking piece for controlling the handle bar and the front wheel carrier to be relatively fixed is movably arranged on the handle bar; the utility model provides a convenient quick folding baby car of sauntering, including preceding wheel carrier, back wheel carrier and seat, the front wheel carrier is last to slide and is provided with first slide, is provided with the second connecting rod between back wheel carrier and the first slide, and the second connecting rod rotates with first slide and back wheel carrier respectively to be connected, rotates on the preceding wheel carrier to be provided with the third connecting rod, and the third connecting rod rotates with the seat to be connected, still slides on the preceding wheel carrier and is provided with the second slide, and the seat rotates with the second slide to be connected, is provided with the connecting rod of being connected with first slide on the second slide, an object of the utility model is to provide a convenient quick folding baby car of sauntering.

Description

Walk baby car

Technical Field

The utility model belongs to the technical field of the bassinet, in particular to car of sauntering.

Background

The baby car of sauntering also calls the baby's shallow, a common baby vehicle, make things convenient for the head of a family to take the baby to go outdoor activities, for the storage and the transportation of the baby car of conveniently sauntering, common baby car of sauntering in the market can fold mostly, can fold the baby car of sauntering when not using, as the chinese utility model discloses a baby car of sauntering disclosed in CN202021514883.5, it includes folding frame, it is provided with the seat subassembly to rotate on the frame, at first fold the frame during folding, then fold frame and seat subassembly relatively, be favorable to the abundant folding of the baby car of sauntering, reduce folding back volume, but each beta mutual independence in this structure, need solitary control to control, folding in-process need control in proper order, inconvenient user is folding fast, and more inconvenient assembly production of control and easy unexpected damage.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a convenient quick folding baby strolling vehicle.

The purpose of the utility model is realized like this:

a walking baby carriage comprises a carriage, wherein a seat is arranged on the carriage, the carriage comprises a front wheel carrier and a rear wheel carrier which are connected in a rotating manner, wheels are arranged on the front wheel carrier and the rear wheel carrier respectively, a handle rod is further arranged on the front wheel carrier in a rotating manner, a first connecting rod is arranged between the handle rod and the rear wheel carrier, the first connecting rod is respectively connected with the handle rod and the rear wheel carrier in a rotating manner, the front wheel carrier, the rear wheel carrier, the first connecting rod and the handle rod form a four-bar mechanism, and a locking piece for controlling the handle rod and the front wheel carrier to be fixed relatively is movably arranged on the handle rod;

the seat is connected with the second sliding seat in a rotating mode, a connecting rod connected with the first sliding seat is arranged on the second sliding seat, when the handle bar and the front wheel frame are controlled to rotate relatively, the handle bar drives the rear wheel frame to fold and draw close to the front wheel frame through the first connecting rod, and drives the first sliding seat to slide relatively along the front wheel frame through the second connecting rod, and the first sliding seat drives the second sliding seat to move through the connecting rod, so that the seat is folded and drawn close to the front wheel frame forward.

After adopting above-mentioned structure, first connecting rod, the setting up of second connecting rod and first slide makes the handle bar, preceding wheel carrier links with the back wheel carrier, can drive back wheel carrier and preceding wheel carrier folding relatively when handle bar and preceding wheel carrier relative rotation, and third connecting rod does benefit to through first slide drive seat wheel carrier draw close forward with being provided with of connecting rod, the quick folding of baby's car of sauntering of being convenient for, the person of facilitating the use uses, and only can realize the stable expansion of baby's car of sauntering through locking piece control handle bar and preceding wheel carrier relatively fixed in this structure, locking simple structure, convenient production and assembly.

The utility model discloses further set up to: the seat is characterized in that the second sliding seat is provided with a connecting rod, the first sliding seat is connected with the connecting rod in a sliding mode, a limiting portion is arranged on the connecting rod, the first sliding seat can pull the second sliding seat to slide through the limiting portion, so that the seat can be folded towards the front wheel frame, a limiting wall is arranged on the front wheel frame, the first sliding seat enables the second sliding seat to be tightly abutted to the limiting wall, and the second sliding seat and the front wheel frame are fixed relatively.

After adopting above-mentioned structure, first slide and second slide can relative motion in the folding process, avoid because the motion stroke of first slide and second slide is inequality influences the normal folding of car of strolling, and make second slide and preceding wheel carrier relatively fixed through first slide in this structure, do not need extra spare part, simple structure, convenient production equipment, and the quick folding of car of strolling of being convenient for.

The utility model discloses further set up to: the front wheel carrier is provided with a sliding groove, the locking piece is arranged in the sliding groove in a sliding mode, the handle rod is provided with a positioning groove matched with the locking piece, the front wheel carrier is provided with a first elastic piece, and the first elastic piece drives the locking piece to reset and enables the locking piece to be matched with the positioning groove.

After adopting above-mentioned structure, make handle bar and front wheel carrier relatively fixed through locking piece and constant head tank, simple structure makes things convenient for production and processing, and the setting up of spout is convenient for lead the motion of locking piece, is favorable to the steady motion of locking piece.

The utility model discloses further set up to: the handle bar comprises an outer bar and an inner bar, the outer bar is rotatably connected with the front wheel carrier, the inner bar is slidably arranged in the outer bar, an installation hole for installing the inner bar is formed in the outer bar, a limiting part for controlling the inner bar to be relatively fixed with the outer bar is arranged on the inner bar, the positioning groove is communicated with the positioning hole, and the inner bar can contract towards the outer bar and drives the locking part to be separated from the positioning groove.

The utility model discloses further set up to: the outer rod is provided with a first driving piece in a sliding mode, the first driving piece slides to one side of the positioning groove or penetrates into the positioning groove and drives the locking piece to break away from the positioning groove, the outer rod is provided with a limiting rod, the first driving piece is provided with a limiting groove matched with the limiting rod, the limiting rod penetrates through the limiting groove, a second elastic piece is arranged on the outer rod and drives the first driving piece to reset, and the first driving piece is made to break away from one side of the positioning groove or the positioning groove.

After adopting above-mentioned structure, the interior pole that slides and set up adjusts handle pole length with outer pole convenient to use person as required in a flexible way, convenient to use person uses, and folding in-process control handle pole shrink can control locking piece and constant head tank and break away from, moreover, the steam generator is simple in structure, convenient to use person folds the baby carriage of sauntering fast, first driving piece does benefit to the motion to interior pole with being provided with of second elastic component and cushions, be favorable to reducing the flexible in-process pole of handle pole, the wearing and tearing of outer pole and locking piece, the motion range of limiting first driving piece is convenient for to limit in setting up of gag lever post and spacing groove, and be favorable to the stable slip of first driving piece.

The utility model discloses further set up to: the handle rod is provided with a guide surface, and when the handle rod and the rear wheel carrier are relatively unfolded, the guide surface drives the locking piece to slide in the positioning groove and enables the locking piece to enter the positioning groove.

The utility model discloses further set up to: the front wheel carrier is provided with a limiting wall for limiting the rotation angle of the handle rod, and the handle rod is abutted against the limiting wall to enable the positioning groove to move to one side of the sliding groove, so that the positioning groove can be matched with the locking piece.

After adopting above-mentioned structure, the setting of spigot surface and spacing wall all is favorable to sauntering baby's car fast to expand, conveniently is provided with the use.

The utility model discloses further set up to: the seat includes the base and rotates the back that sets up on the base, and the base rotates with third connecting rod and second slide respectively to be connected, and the slip is provided with joint spare on the back, be provided with on the base with joint spare complex draw-in groove, and be provided with on the back and drive joint spare and draw-in groove complex fifth elastic component, be provided with the driving piece on the base, the messenger back that driving piece drive joint spare and draw-in groove break away from can be to the base upset folding.

After adopting above-mentioned structure, the back and the base that rotate the setting are favorable to strolling the further folding of baby car, reduce the volume after strolling the baby car is folding, are convenient for strolling the storage transportation of baby car.

The utility model discloses further set up to: the base is provided with a second driving piece in a rotating mode, the backrest is provided with a traction rope and a handle, the traction rope is used for controlling the second driving piece to rotate, the second driving piece is provided with a driving face, the handle and the traction rope are used for controlling the second driving piece to rotate and break away from the clamping groove through the driving face, a third elastic piece matched with the clamping groove is arranged on the backrest, the third elastic piece drives the clamping piece to abut against the driving face and drive the second driving piece to reset.

The utility model discloses further set up to: the circumference evenly is provided with at least three bellying on the driving piece, all is provided with the drive face on the bellying, is provided with on the joint spare with bellying complex recess.

After adopting above-mentioned structure, through the motion of driving face drive joint spare, be favorable to increasing the area of contact of second driving piece and joint spare, reduce the wearing and tearing of second driving piece and joint spare in the use, be favorable to prolonging the life of car of strolling, and the at least three bellying that evenly sets up in the circumference is favorable to the even atress of joint spare in this structure, avoids joint spare incline to influence the drive of second driving piece to the joint spare, and the person of facilitating the use uses.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the present invention in a folded state;

fig. 3 is an exploded view of the present invention;

fig. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is a partial cross-sectional view of a handlebar of the present invention;

FIG. 6 is a second partial cross-sectional view of the handlebar of the present invention;

fig. 7 is a schematic view of the installation structure of the first slide, the second slide and the third link according to the present invention;

fig. 8 is a schematic structural view of a second slide carriage according to the present invention;

fig. 9 is a cross-sectional view of a first slide according to the present invention;

FIG. 10 is an exploded view of the seat of the present invention;

fig. 11 is a schematic structural view of a second driving member of the present invention;

fig. 12 is a schematic structural diagram of the fastening member of the present invention.

The reference numbers in the figures mean: 1-a handle bar; 11-an outer rod; 12-an inner rod; 13-mounting holes; 14-snap button; 15-a fourth elastic member; 16-a clamping hole; 17-a limiting rod; 18-a first drive member; 131-a positioning groove; 132-a guide surface; 181-a limit groove; 182-a second elastic member; 2-front wheel frame; 21-cover plate; 22-a wheel; 23-a lock; 24-a slide bar; 25-a first elastic member; 26-a guide groove; 27-a chute; 28-a retaining wall; 3-rear wheel carrier; 4-a first link; 5-a second link; 6-a third connecting rod; 7-a second slide; 71-a connecting rod; 72-a limiting part; 73-a sliding part; 74-a hinge; 8-a first slide; 81-connecting hole; 82-a placement groove; 83-a sleeve portion; 9-a seat; 91-a base; 911-card slot; 92-a backrest; 921-collecting the wire groove; 922-a receiving groove; 923-a decorative cover; 93-a gland; 94-a clip; 941-guide projection; 942-grooves;

943-third elastic member; 95-a second drive member; 951-a boss; 952-a drive face; 953-a winding; 954-connecting grooves; 96-a pull cord; 97-a support bar; 98-arm-rest; 99-a handle; 991-fifth elastic member.

Detailed Description

The invention will be further described in the following by way of specific embodiments with reference to the accompanying drawings:

referring to fig. 1 to 12, a strolling baby car includes a frame, a seat 9 is disposed on the frame, the frame includes a front wheel frame 2 and a rear wheel frame 3 which are rotatably connected, wheels 22 are disposed on the front wheel frame 2 and the rear wheel frame 3, a handle bar 1 is further rotatably disposed on the front wheel frame 2, a first connecting rod 4 is disposed between the handle bar 1 and the rear wheel frame 3, the first connecting rod 4 is respectively rotatably connected with the handle bar 1 and the rear wheel frame 3, the front wheel frame 2, the rear wheel frame 3, the first connecting rod 4 and the handle bar 1 form a four-bar mechanism, and a locking member 23 for controlling the handle bar 1 and the front wheel frame 2 to be relatively fixed is movably disposed on the handle bar 1;

the front wheel frame 2 is provided with a first sliding seat 8 in a sliding manner, a second connecting rod 5 is arranged between the rear wheel frame 3 and the first sliding seat 8, the second connecting rod 5 is respectively connected with the first sliding seat 8 and the rear wheel frame 3 in a rotating manner, the front wheel frame 2 is provided with a third connecting rod 6 in a rotating manner, the third connecting rod 6 is connected with a seat 9 in a rotating manner, the front wheel frame 2 is also provided with a second sliding seat 7 in a sliding manner, the seat 9 is connected with the second sliding seat 7 in a rotating manner, the second sliding seat 7 is provided with a connecting rod 71 connected with the first sliding seat 8, when the handle bar 1 and the front wheel frame 2 are controlled to rotate relatively, the handle bar 1 drives the rear wheel frame 3 to fold and draw close to the front wheel frame 2 through the first connecting rod 4, and drives the first sliding seat 8 to relatively slide along the front wheel frame 2 through the second connecting rod 5, first slide 8 passes through connecting rod 71 drive second slide 7 motion, and make seat 9 fold to draw close to front wheel carrier 2, first connecting rod 4 in this structure, setting up of second connecting rod 5 and first slide 8 makes handle pole 1, front wheel carrier 2 links with back wheel carrier 3, can drive back wheel carrier 3 and front wheel carrier 2 and carry out folding relatively when handle pole 1 rotates with front wheel carrier 2 relatively, and third connecting rod 6 is provided with connecting rod 71 and is favorable to driving seat 9 to draw close to front wheel carrier 2 through first slide 8, the quick folding of baby car of strolling of being convenient for, convenience of customers uses, and only can realize the stable expansion of baby car of strolling through locking piece 23 control handle pole 1 and front wheel carrier 2 relatively fixed in this structure, the locking simple structure, the convenience of production equipment.

The utility model discloses in be provided with connecting rod 71 on the second slide 7, first slide 8 and connecting rod 71 sliding connection, and be provided with spacing portion 72 on the connecting rod 71, first slide 8 accessible spacing portion 72 pulls second slide 7 and slides, thereby make seat 9 folding to preceding wheel carrier 2, be provided with spacing wall 28 on the preceding wheel carrier 2, first slide 8 supports second slide 7 tightly on spacing wall 28, and make second slide 7 and preceding wheel carrier 2 relatively fixed, first slide 8 and second slide 7 can relative motion among the folding process, avoid because the motion stroke of first slide 8 and second slide 7 is inequality to influence the normal folding of child car of sauntering, and make second slide 7 and preceding wheel carrier 2 relatively fixed through first slide 8 in this structure, do not need extra spare part, moreover, the steam generator is simple in structure, the convenience of production equipment, and the quick folding of the car of sauntering of being convenient for.

In this embodiment, the front wheel frame 2 is detachably provided with a cover plate 211, the cover plate 21 is arranged between the front wheel frame 2 and the seat 9, the second slide 7 is provided with a hinge portion 74 connected with the seat 9, the front wheel frame 2 includes a slide rod 24, the first slide 8 is provided with a sleeve portion 83 matched with the slide rod 24, the sleeve portion 83 is sleeved on the slide rod 24 and is slidably connected with the slide rod 24, the front wheel frame 2 is provided with a guide groove 26, the second slide 7 is provided with a slide portion 73 matched with the guide groove 26, preferably, the guide groove 26 and the slide portion 73 are both T-shaped in cross section, the first slide 8 is provided with a connecting hole 81 matched with the connecting rod 71 and a placement groove 82 communicated with the connecting hole 81, the limiting portion 72 is slidably arranged in the placement groove 82, and when the limiting portion 72 abuts against the bottom of the placement groove 82, the first slide 8 can pull the second slide 7 to slide on the slide rod 24.

The front wheel frame 2 is provided with a sliding groove 27, the locking member 23 is slidably disposed in the sliding groove 27, the handle rod 1 is provided with a positioning groove 131 matched with the locking member 23, the front wheel frame 2 is provided with a first elastic member 25, the first elastic member 25 drives the locking member 23 to reset and enables the locking member 23 to be matched with the positioning groove 131, in the structure, the handle rod 1 and the front wheel frame 2 are relatively fixed through the locking member 23 and the positioning groove 131, the structure is simple, the production and the processing are convenient, the sliding groove 27 is convenient for guiding the movement of the locking member 23, and the stable movement of the locking member 23 is facilitated, in this embodiment, the locking member 23 is rod-shaped, and two ends of the telescopic member are both connected with the first elastic member 25.

The utility model discloses in handle bar 1 includes outer pole 11 and the slip setting interior pole 12 in outer pole 11 of being connected with 2 rotations of front wheel carrier, be provided with the mounting hole 13 of pole 12 in the installation in outer pole 11, and be provided with the locating part of pole 12 and outer pole 11 relatively fixed in the control on interior pole 12, constant head tank 131 and locating hole intercommunication, interior pole 12 can shrink and drive locking piece 23 and break away from constant head tank 131 in 11 outside poles, slide interior pole 12 and the outer pole 11 convenient to use person who sets up and adjust handle bar 1 length as required in a flexible way, the person of facilitating the use uses, and folding in-process control handle bar 1 shrink can control locking piece 23 and break away from with constant head tank 131, moreover, the steam generator is simple in structure, the person of facilitating the use folds baby car fast.

In this embodiment, the limiting member includes a clamping button 14 and a fourth elastic member 15 for driving the clamping button 14 to reset, a plurality of clamping holes 16 adapted to the clamping button 14 are formed in the outer rod 11, and the handle rod 1 is different in length when the clamping button 14 is matched with different clamping holes 16.

The utility model discloses a handle bar, including outer pole 11, first driving piece 18, limiting rod 182, first driving piece 18 slides and is provided with first driving piece 18 in to constant head tank 131 one side or penetrates in constant head tank 131 and drive locking piece 23 breaks away from constant head tank 131, be provided with gag lever post 17 on the outer pole 11, be provided with on the first driving piece 18 with gag lever post 17 complex spacing groove 181, gag lever post 17 wears to establish in spacing groove 181, and be provided with second elastic component 182 on the outer pole 11, second elastic component 182 drives first driving piece 18 resets, and make first driving piece 18 break away from in constant head tank 131 one side or constant head tank 131, first driving piece 18 does benefit to the motion to interior pole 12 and cushions with being provided with of second elastic component 182, be favorable to reducing the flexible in-process interior pole 12 of handle bar 1, the wearing and tearing of outer pole 11 and locking piece 23, the setting up of gag lever post 17 and spacing groove 181 is convenient for restricting the motion range of first driving piece 18, and is favorable to the stable slip of first driving piece 18.

Preferably be provided with spigot surface 132 on the handle pole 1, when handle pole 1 and back wheel carrier 3 expand relatively, spigot surface 132 drive locking piece 23 slides in constant head tank 131 and makes locking piece 23 get into constant head tank 131, and being provided with of spigot surface 132 does benefit to locking piece 23 and constant head tank 131 automatic coordination when handle pole 1 and preceding wheel carrier 2 expand, is favorable to the quick expansion of the baby carriage of sauntering, and the person of facilitating the use uses.

In this embodiment, the front wheel frame 2 is provided with the limiting wall 28 for limiting the rotation angle of the handle rod 1, the handle rod 1 abuts against the limiting wall 28 to enable the positioning groove 131 to move to one side of the sliding groove 27, so that the positioning groove 131 can be matched with the locking piece 23, the limiting wall 28 is arranged to facilitate the positioning of the handle rod 1 and the front wheel frame 2, the baby strolling vehicle can be unfolded quickly, and the use is convenient.

The utility model discloses in seat 9 includes base 91 and rotates the back 92 that sets up on base 91, base 91 rotates with third connecting rod 6 and second slide 7 respectively to be connected, and it is provided with joint piece 94 to slide on the back 92, be provided with on the base 91 with joint piece 94 complex draw-in groove 911, and be provided with on the back 92 and drive joint piece 94 and draw-in groove 911 complex fifth elastic component 991, and be provided with second driving piece 95 on the base 91, second driving piece 95 drives joint piece 94 and draw-in groove 911 break away from makes back 92 can be folded to the base 91 upset, it is favorable to sauntering the further folding of baby's car to rotate back 92 and the base 91 that set up, reduce the volume after the car folding, be convenient for the transportation of storage baby's car.

In this embodiment, the backrest 92 is rotatably disposed at the rear of the base 91, the front of the backrest is rotatably disposed with the support rod 97, the armrests 98 are disposed between the two sides of the support rod 97 and the backrest 92, the armrests 98 are rotatably connected with the support rod 97 and the backrest 92, and the base 91, the backrest 92, the armrests 98 and the support rod 97 form a four-bar mechanism.

The base 91 is provided with a second driving piece 95 in a rotating manner, a backrest 92 is provided with a traction rope 96 and a handle 99 for controlling the rotation of the second driving piece 95, the second driving piece 95 is provided with a driving surface 952, the handle 99 and the traction rope 96 control the second driving piece 95 to rotate and drive the clamping piece 94 to be separated from the clamping groove 911 through the driving surface 952, the backrest 92 is provided with a third elastic piece 943 for driving the clamping piece 94 to be matched with the clamping groove 911, the third elastic piece 943 drives the clamping piece 94 to be tightly abutted to the driving surface 952 and drive the second driving piece 95 to reset, the clamping piece 94 is driven to move through the driving surface 952, the contact area between the second driving piece 95 and the clamping piece 94 is increased, the abrasion between the second driving piece 95 and the clamping piece 94 in the using process is reduced, the service life of the walking vehicle is prolonged, the backrest 92 is provided with a wire collecting groove 921 for installing the traction rope 96, the backrest 92 is provided with a detachable pressing cover 93, and the traction rope 96 is hidden in the wire collecting groove 921 by the pressing cover 93.

In this embodiment be provided with the groove 922 of accomodating joint spare 94 on the back 92, the driving surface 952 drive second driving piece 95 breaks away from and gets into completely with draw-in groove 911 during accomodating the groove 922, third elastic component 943 one end supports and leans on the joint spare 94 to go up the other end setting in accomodating the groove 922, and back 92 both sides are provided with dress trim cover 923, and preferred joint spare 94 periphery is provided with a plurality of direction archs 941, direction archs 941 and draw-in groove 911 and the motion of accomodating groove 922 adaptation and to joint spare 94 are led, the winding portion 953 of winding haulage rope 96 and the connecting groove 954 that is used for fixed haulage rope 96 tip on the second driving piece 95.

The circumference evenly is provided with at least three bellying 951 on the second driving piece 95, all is provided with drive face 952 on the bellying 951, be provided with on the joint piece 94 with bellying 951 complex recess 942, the even at least three bellying 951 that sets up of circumference is favorable to the even atress of joint piece 94, avoids joint piece 94 skew to influence the drive of second driving piece 95 to joint piece 94, and convenience of customers uses, in this embodiment be provided with four bellying 951 on the second driving piece 95.

The above embodiment is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited in this way, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a car of sauntering child, includes the frame, is provided with seat (9) on the frame, its characterized in that: the frame comprises a front wheel frame (2) and a rear wheel frame (3) which are rotationally connected, wheels (22) are arranged on the front wheel frame (2) and the rear wheel frame (3), a handle bar (1) is further rotationally arranged on the front wheel frame (2), a first connecting rod (4) is arranged between the handle bar (1) and the rear wheel frame (3), the first connecting rod (4) is respectively rotationally connected with the handle bar (1) and the rear wheel frame (3), the front wheel frame (2), the rear wheel frame (3), the first connecting rod (4) and the handle bar (1) form a four-bar mechanism, and a locking piece (23) for controlling the handle bar (1) and the front wheel frame (2) to be relatively fixed is movably arranged on the handle bar (1);

the folding chair is characterized in that a first sliding seat (8) is arranged on the front wheel frame (2) in a sliding mode, a second connecting rod (5) is arranged between the rear wheel frame (3) and the first sliding seat (8), the second connecting rod (5) is respectively connected with the first sliding seat (8) and the rear wheel frame (3) in a rotating mode, a third connecting rod (6) is arranged on the front wheel frame (2) in a rotating mode, the third connecting rod (6) is connected with a chair (9) in a rotating mode, a second sliding seat (7) is further arranged on the front wheel frame (2) in a sliding mode, the chair (9) is connected with the second sliding seat (7) in a rotating mode, a connecting rod (71) connected with the first sliding seat (8) is arranged on the second sliding seat (7), when the handle rod (1) and the front wheel frame (2) are controlled to rotate relatively, the handle rod (1) drives the rear wheel frame (3) to be folded and drawn close to the front wheel frame (2) through the first connecting rod (4), and drives the first sliding seat (8) to be folded and drawn close to the front wheel frame (2) through the second connecting rod (5), and the chair (9) is driven to move forwards.

2. A walking baby vehicle as claimed in claim 1, wherein: the seat is characterized in that a connecting rod (71) is arranged on the second sliding seat (7), the first sliding seat (8) is in sliding connection with the connecting rod (71), a limiting part (72) is arranged on the connecting rod (71), the first sliding seat (8) can pull the second sliding seat (7) to slide through the limiting part (72), so that the seat (9) can be folded towards the front wheel frame (2), a limiting wall (28) is arranged on the front wheel frame (2), the second sliding seat (7) is tightly abutted against the limiting wall (28) by the first sliding seat (8), and the second sliding seat (7) and the front wheel frame (2) are relatively fixed.

3. A strolling baby carriage as claimed in claim 1 or 2 wherein: the front wheel carrier (2) is provided with a sliding groove (27), the locking piece (23) is arranged in the sliding groove (27) in a sliding mode, the handle rod (1) is provided with a positioning groove (131) matched with the locking piece (23), the front wheel carrier (2) is provided with a first elastic piece (25), and the first elastic piece (25) drives the locking piece (23) to reset and enables the locking piece (23) to be matched with the positioning groove (131).

4. A walking baby carriage as claimed in claim 3 wherein: handle bar (1) include with preceding wheel carrier (2) rotate outer pole (11) of being connected and slide and set up interior pole (12) in outer pole (11), be provided with mounting hole (13) of pole (12) in the installation in outer pole (11), and be provided with on interior pole (12) and control interior pole (12) and outer pole (11) relatively fixed's locating part, constant head tank (131) and locating hole intercommunication, interior pole (12) can be to shrink and drive locking piece (23) and break away from in constant head tank (131) in outer pole (11).

5. A strolling baby car as claimed in claim 4, wherein: the outer rod (11) is internally provided with a first driving piece (18) in a sliding manner, the first driving piece (18) slides to one side of the positioning groove (131) or penetrates into the positioning groove (131) to drive the locking piece (23) to break away from the positioning groove (131), the outer rod (11) is provided with a limiting rod (17), the first driving piece (18) is provided with a limiting groove (181) matched with the limiting rod (17), the limiting rod (17) penetrates through the limiting groove (181), the outer rod (11) is provided with a second elastic piece (182), the second elastic piece (182) drives the first driving piece (18) to reset, and the first driving piece (18) is made to break away from one side of the positioning groove (131) or the positioning groove (131).

6. A stroller according to claim 1, 2, 4 or 5, wherein: the handle rod (1) is provided with a guide surface (132), and when the handle rod (1) and the rear wheel carrier (3) are relatively unfolded, the guide surface (132) drives the locking piece (23) to slide in the positioning groove (131) and enables the locking piece (23) to enter the positioning groove (131).

7. A strolling baby car as claimed in claim 6, wherein: the front wheel carrier (2) is provided with a limiting wall (28) for limiting the rotation angle of the handle rod (1), the handle rod (1) is abutted against the limiting wall (28) to enable the positioning groove (131) to move to one side of the sliding groove (27), and the positioning groove (131) can be matched with the locking piece (23).

8. A stroller according to claim 1, 2, 4, 5 or 7, wherein: seat (9) include base (91) and rotate back (92) of setting on base (91), base (91) rotate with third connecting rod (6) and second slide (7) respectively and are connected, it is provided with joint spare (94) to slide on back (92), be provided with on base (91) with joint spare (94) complex draw-in groove (911), and be provided with on back (92) drive joint spare (94) and draw-in groove (911) complex fifth elastic component (991), be provided with on base (91) second driving piece (95), what second driving piece (95) drive joint spare (94) and draw-in groove (911) broke away from makes back (92) can be to base (91) upset folding.

9. A walking baby vehicle as claimed in claim 8, wherein: rotate on base (91) and be provided with second driving piece (95), be provided with control second driving piece (95) pivoted haulage rope (96) and handle (99) on back (92), be provided with drive face (952) on second driving piece (95), handle (99) and haulage rope (96) control second driving piece (95) rotate and break away from with draw-in groove (911) through drive face (952) drive fastener (94), and be provided with drive fastener (94) and draw-in groove (911) complex third elastic component (943) on back (92), third elastic component (943) drive fastener (94) support tightly on drive face (952) and drive second driving piece (95) reset.

10. A stroller according to claim 9, characterized in that: the circumference evenly is provided with at least three bellying (951) on second driving piece (95), all is provided with drive face (952) on bellying (951), is provided with recess (942) with bellying (951) complex on joint spare (94).