CN219339540U - Baby walking vehicle - Google Patents

Abstract

The utility model discloses a child walking vehicle, which aims to solve the problem that the angle of a backrest frame on a seat frame is not adjustable in the prior art.

Description

Baby walking vehicle

Technical Field

The utility model belongs to a trolley, in particular to a walking trolley.

Background

A baby carriage, also known as a child stroller, requires a person to assist in pushing or pulling the carriage to travel. The existing baby carriage generally comprises a sunshade, a cushion, a sleeping basket and an anti-fog cover, and children can sleep, eat, play and the like on the baby carriage.

The utility model application patent of the prior application number of CN202010881207.X discloses a child cart, which comprises a frame, wherein a seat frame is detachably arranged on the frame, a backrest frame is hinged on the seat frame, the backrest frame can be folded or unfolded on the seat frame, an angle adjusting mechanism is arranged between the backrest frame and the seat frame, and the backrest frame can be positioned on the seat frame by the angle adjusting mechanism, so that the backrest frame can be positioned on a plurality of angle positions of the seat frame.

However, the prior art is not perfect, and the angle of the backrest frame on the seat frame is not adjustable, so that the user cannot sit on the seat frame and lean against the backrest frame in different postures.

Summary of the utility model

In order to overcome the defects and the existing problems in the prior art, the utility model provides the walking baby car.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a child car of walking, includes the frame, is provided with the seat on the frame, and the seat includes cushion and articulates the back on the cushion, articulates on the cushion has the back, still includes the support frame, and the support frame includes connecting piece and bracing piece, and the bracing piece articulates on the seat, is provided with connecting portion on the back, and the connecting piece can be dismantled and connect on connecting portion, and cushion, back and bracing piece can constitute triangle bearing structure, and connecting portion is two at least, if the connecting piece is connected on different connecting portion, and the angle of contained angle also differs between back and the cushion.

Preferably, the support frame comprises a first sliding block hinged on the support rod, the first sliding block is arranged on the backrest in a sliding manner, and more than two connecting parts are arranged on the sliding path of the first sliding block on the backrest.

Preferably, the backrest is provided with a first bar-shaped hole, the first sliding block is provided with a protrusion, the protrusion penetrates through the first bar-shaped hole, the protrusion is fixedly provided with a second sliding block, and the first sliding block and the second sliding block are respectively arranged on two sides of the first bar-shaped hole.

Preferably, the backrest is provided with a first sliding groove, and the first sliding block is arranged in the first sliding groove.

Preferably, the connecting piece is slidably arranged on the first sliding block, and if the connecting piece slides on the first sliding block, the connecting piece can be connected to or disconnected from the connecting part.

Preferably, the connecting piece is provided with a first button, and a user can drive the connecting piece to slide on the first sliding block through the first button.

Preferably, the connecting piece is a bolt, the connecting part is a slot arranged on the backrest, and the connecting piece can be inserted into the connecting part.

Preferably, the connector further comprises a first elastic member which forces the connector to remain connected to the connector.

Preferably, the first elastic member is disposed between the first slider and the first button.

Preferably, the front surface of the backrest is used for supporting the back of a human body, and the connecting part is arranged on the back surface of the backrest.

Preferably, the upper surface of the cushion is used for supporting buttocks of a human body, and the hinged position of the support rod on the frame is arranged below the cushion.

Preferably, the whole structure of the supporting rod is an arc-shaped rod body.

Preferably, the pedal is used for the user to tread.

Preferably, the pedals are fixedly arranged on the cushion.

Preferably, the pedal comprises a first connecting rod, a second connecting rod and a pedal plate, wherein the first connecting rod is fixedly arranged on the seat cushion, the second connecting rod is hinged to the first connecting rod, the pedal plate is arranged on the second connecting rod, a ratchet mechanism is arranged between the first connecting rod and the second connecting rod, and the ratchet mechanism is used for unidirectionally locking the second connecting rod on the first connecting rod.

Preferably, the ratchet mechanism comprises a first ratchet wheel, a second ratchet wheel and a second elastic piece, the ratchet mechanism locks the second connecting rod on the first connecting rod in a unidirectional mode if the first ratchet wheel is meshed with the second ratchet wheel, the second connecting rod can rotate freely on the first connecting rod if the first ratchet wheel is separated from the second ratchet wheel, and the second elastic piece is used for forcing the first ratchet wheel to keep meshed with the second ratchet wheel.

Preferably, the first ratchet wheel is slidably arranged on the first connecting rod, and the second ratchet wheel is fixedly arranged on the second connecting rod.

Preferably, the second elastic member is disposed between the first ratchet and the first link.

Preferably, a second chute is formed between the first connecting rod and the second connecting rod, and the first ratchet wheel is slidably arranged in the second chute.

Preferably, the second ratchet and the second elastic member are respectively disposed in the second chute.

Preferably, the ratchet mechanism further comprises a second button, and the user can drive the first ratchet to be separated from the second ratchet through the second button.

Preferably, the second connecting rod is provided with an opening, the opening is communicated with the second sliding groove, and the second button is provided with an elastic buckle, and the elastic buckle penetrates through the opening.

Preferably, the mounting position of the foot pedal on the second link is adjustable.

Preferably, the pedal plate is provided with a third chute, the second connecting rod is arranged in the third chute in a sliding way, and if the pedal plate slides on the second connecting rod, the pedal plate can be close to or far away from the seat cushion.

Preferably, the pedal plate further comprises a first lock pin, the pedal plate is fixedly arranged on the second connecting rod if the first lock pin is connected to the second connecting rod and the pedal plate, and the pedal plate can freely slide on the second connecting rod if the first lock pin is separated from the second connecting rod or the pedal plate.

Preferably, the pedal plate is provided with a first pin hole, the second connecting rod is provided with a second pin hole, and the first lock pin can penetrate through the first pin hole and the second pin hole.

Preferably, the number of the first pin holes is at least two, and more than two first pin holes are sequentially arranged in the length direction of the third sliding groove.

Preferably, the first pin further comprises a third elastic member for forcing the first pin to be held through the first pin hole and the second pin hole.

Preferably, the second connecting rod is a hollow pipe body, and the third elastic piece is arranged in the second connecting rod.

Preferably, the cushion is provided with a mounting groove, the first connecting rod is inserted into the mounting groove, the cushion further comprises a second lock pin, the second lock pin fixedly sets the first connecting rod on the second connecting rod if the second lock pin is connected to the cushion and the first connecting rod, and the first connecting rod can be separated from the mounting groove if the second lock pin is separated from the cushion or the first connecting rod.

Preferably, the first connecting rod is provided with a third pin hole, the cushion is provided with a fourth pin hole, and the second lock pin can penetrate through the third pin hole and the fourth pin hole.

Preferably, a fourth elastic member is further included, the fourth elastic member forcing the second locking pin to remain penetrating the third pin hole and the fourth pin hole.

Preferably, the first connecting rod is a hollow pipe body, and the fourth elastic piece is arranged in the first connecting rod.

Preferably, the frame comprises a first support, a front frame, a rear frame, a first limiting rod, a second limiting rod and a sliding part, the cushion is arranged on the first support, the rear frame is hinged on the first support, the front frame is hinged on the rear frame, the first limiting rod is hinged on the front frame, the first limiting rod and the second limiting rod are respectively hinged on the sliding part, the sliding part is slidably arranged on the rear frame, the first support, the front frame, the rear frame, the first limiting rod, the second limiting rod and the sliding part form a plane connecting rod mechanism, the first support comprises a handle rod, the front frame comprises a front frame rod, the rear frame comprises a rear frame rod, and the handle rod, the first limiting rod, the second limiting rod, the front frame rod and the rear frame rod are foldable together.

Preferably, the rear frame comprises a rear saddle and a pair of rear rods, the sliding piece comprises a sliding seat, a pair of sliding sleeves and a pair of third limiting rods, the first bracket, the front frame and the pair of rear rods are respectively hinged to the rear saddle, the first limiting rods, the second limiting rods and the pair of third limiting rods are respectively hinged to the sliding seat, one third limiting rod is further hinged to one sliding sleeve, the other third limiting rod is further hinged to the other sliding sleeve, one sliding sleeve is slidably arranged on one rear rod, the other sliding sleeve is slidably arranged on the other rear rod, the sliding seat, the pair of third limiting rods, the pair of rear rods, the pair of sliding sleeves and the rear saddle form a plane connecting rod mechanism, and the handle rod, the first limiting rods, the second limiting rods, the pair of third limiting rods, the front rods and the pair of rear rods are foldable together.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

(1) In the utility model, the cushion, the backrest and the supporting frame can form a triangular supporting structure, the supporting frame can firmly position the backrest on the cushion, when the adjusting connecting piece is connected to different connecting parts, the angle of the included angle between the backrest and the cushion can be adjusted, and a user can sit, lie obliquely or lie flat on the cushion and the backrest in actual use, so that the walking baby carriage has the advantages of adjustable angle, simple and convenient operation and firm positioning.

(2) In the utility model, the distance between the pedal and the cushion can be adjusted according to the physique of a user, so the walking baby car has the advantage of wide application range.

(3) In the utility model, when carrying and storing the child walking vehicle, the handle rod, the first limiting rod, the second limiting rod, the pair of third limiting rods, the front vehicle rod and the pair of rear vehicle rods can be folded together, so that the occupied space of the child walking vehicle is reduced, and the child walking vehicle is convenient to store and carry; when the child walking vehicle is used, the handle rod, the first limiting rod, the second limiting rod, the pair of third limiting rods, the front vehicle rod and the pair of rear vehicle rods are mutually unfolded.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a second three-dimensional structure according to the present utility model;

FIG. 3 is a schematic diagram of an explosive structure created by the present utility model;

FIG. 4 is a schematic cross-sectional view of a seat according to the present utility model;

FIG. 5 is a schematic cross-sectional view of the foot pedal and ratchet mechanism of the present utility model;

FIG. 6 is a schematic view of an exploded construction of the frame of the present utility model;

FIG. 7 is a schematic view of an exploded construction of the seat of the present utility model;

FIG. 8 is a second schematic view of an exploded construction of the seat of the present utility model;

FIG. 9 is a schematic view of an exploded construction of the foot pedal and ratchet mechanism of the present utility model;

FIG. 10 is a schematic view of the structure of the seat cushion of the present utility model;

FIG. 11 is a schematic view of a first connecting rod according to the present utility model;

in the figure: 1-frame, 2-seat cushion, 3-backrest, 4-support frame, 5-foothold, 6-ratchet mechanism, 7-front wheel, 8-rear wheel, 11-first bracket, 12-front frame, 13-rear seat, 14-rear vehicle lever, 15-slide seat, 16-first check lever, 17-second check lever, 18-third check lever, 19-slide bushing, 21-mounting slot, 22-fourth pin hole, 31-connection portion, 32-first bar-shaped hole, 33-first slide slot, 41-connection member, 42-support bar, 43-first slide block, 44-second slide block, 45-first button, 46-first elastic member, 51-first link, 52-second link, 53-foot pedal, 54-first lock pin, 55-third elastic member, 56-second lock pin, 57-fourth elastic member, 58-second slide slot, 61-first ratchet, 62-second ratchet, 63-second elastic member, 64-second button, 111-handle bar, 121-front vehicle lever, 44-second slide bar, 45-first button, 46-first elastic member, 46-first lock pin, 55-third elastic member, 56-second lock pin, 57-fourth elastic member, 57-fourth slide slot, 61-first ratchet, 62-second ratchet, 63-second elastic member, 64-second elastic member, 111-second bar, 121-second bar, first bar-shaped pin hole, 521-shaped hole, 521-first bar-shaped hole, 521-third bar-shaped hole, 521-shaped elastic member.

Detailed Description

The present utility model will be further described with reference to the drawings and specific examples for the purpose of facilitating understanding by those skilled in the art.

As shown in fig. 1 to 11, a child walking vehicle comprises a frame 1, a seat is arranged on the frame 1, the seat comprises a seat cushion 2 and a backrest 3 hinged on the seat cushion 2, the child walking vehicle further comprises a support frame 4, the support frame 4 comprises a connecting piece 41 and a support rod 42, the support rod 42 is hinged on the seat, the backrest 3 is provided with a connecting part 31, the connecting piece 41 is detachably connected on the connecting part 31, the seat cushion 2, the backrest 3 and the support rod 42 can form a triangular support structure, at least two connecting parts 31 are arranged, and if the connecting piece 41 is connected on different connecting parts 31, the angles of included angles between the backrest 3 and the seat cushion 2 are different.

The frame 1 refers to a structural member for connecting and supporting other components. The frame 1 may also be provided with rotatable wheels. If the walking baby car is pushed on the ground, the wheels can roll on the ground. The seat cushion 2 refers to a seating furniture on which a user can sit on the seat cushion 2. The backrest 3 refers to a member against which a user can lean when riding on the seat cushion 2, and the user can ride on the seat cushion 2 and lean against the backrest 3. If the backrest 3 rotates on the seat cushion 2, the angle between the backrest 3 and the seat cushion 2 can be increased or decreased. If the angle between the backrest 3 and the seat cushion 2 becomes large, the backrest 3 can be unfolded on the seat cushion 2. If the backrest 3 is unfolded on the seat cushion 2, the user can sit comfortably on the seat cushion 2 and lean against the backrest 3. If the angle between the backrest 3 and the seat cushion 2 becomes smaller, the backrest 3 can be folded over the seat cushion 2. If the backrest 3 is folded on the cushion 2, the overall occupied space of the backrest 3 and the cushion 2 is small, so that the backrest is convenient to store and carry. The triangular support structure means that the triangle has stability, and if the connecting piece 41 is connected to the connecting portion 31, the support frame 4 fixedly sets the backrest 3 on the seat cushion 2, so that the triangular support structure has the advantages of stability, firmness and strong bearing capacity. If the connecting member 41 is disengaged from the connecting portion 31, the backrest 3 can freely rotate on the seat cushion 2, thereby facilitating adjustment of the angle between the backrest 3 and the seat cushion 2. The angle of the angle between the backrest 3 and the seat cushion 2 refers to the angle of the angle between the front surface of the backrest 3 and the upper surface of the seat cushion 2. If the user sits on the seat cushion 2 and leans against the backrest 3, the user's buttocks are seated on the upper surface of the seat cushion 2 and the user's back leans against the front surface of the backrest 3. If the connecting member 41 is connected to a different connecting portion 31, the angle between the seatback 3 and the seat cushion 2 is also different. The angle of the back 3 and the seat cushion 2 is a when the connecting portion 31 is connected to the connecting portion 31. The angle of the angle between the backrest 3 and the seat cushion 2 is b when the connecting portion 31 is connected to the other connecting portion 31. a is not equal to b. The above design has the significance that the backrest 3 can be positioned at different angular positions, and a user can sit, lie obliquely or lie flat on the cushion 2 and the backrest 3 in actual use.

In the utility model, the cushion 2, the backrest 3 and the support frame 4 can form a triangular support structure, the support frame 4 can firmly position the backrest 3 on the cushion 2, and when the adjusting connecting piece 41 is connected to different connecting parts 31, the angle of the included angle between the backrest 3 and the cushion 2 can be adjusted, and a user can sit, lie obliquely or lie on the cushion 2 and the backrest 3 in actual use, so the walking baby car has the advantages of adjustable angle, simple and convenient operation and firm positioning.

The support frame 4 comprises a first slider 43, the first slider 43 is hinged on the support rod 42, the first slider 43 is slidably arranged on the backrest 3, and more than two connecting parts 31 are arranged on the sliding path of the first slider 43 on the backrest 3.

Wherein the seat cushion 2, the support rod 42, the first slider 43 and the backrest 3 constitute a planar link mechanism. If the backrest 3 rotates on the seat cushion 2, the first sliding block 43 can slide on the backrest 3, and the supporting rod 42 can rotate on the seat cushion 2, so that the linkage effect is achieved, a user only needs to drive any one of the seat cushion 2, the supporting rod 42, the first sliding block 43 and the backrest 3, and other parts can move along with the movement, so that the operation is further facilitated. If the first slider 43 slides on the backrest 3, the connecting member 41 can be driven to pass through more than two connecting portions 31, so that the connecting member 41 can be conveniently switched between different connecting portions 31, and the angle of the backrest 3 on the seat cushion 2 can be adjusted.

The backrest 3 is provided with a first bar-shaped hole 32, the first slider 43 is provided with a protrusion 431, the protrusion 431 is penetrated through the first bar-shaped hole 32, the protrusion 431 is fixedly provided with a second slider 44, and the first slider 43 and the second slider 44 are respectively arranged on two sides of the first bar-shaped hole 32.

The protrusion 431 is disposed through the first bar hole 32, the protrusion 431 is slidably disposed in the first bar hole 32, and the first bar hole 32 defines a sliding stroke of the first slider 43. The first sliding block 43 and the second sliding block 44 are respectively arranged on two sides of the first strip-shaped hole 32, the second sliding block 44 is used for limiting the first sliding block 43 on the backrest 3, and the assembly structure is reasonable in design.

The backrest 3 is provided with a first sliding groove 33, and the first sliding block 43 is arranged in the first sliding groove 33, so that the compactness of the structure is improved.

The connecting piece 41 is slidably disposed on the first slider 43, and if the connecting piece 41 slides on the first slider 43, the connecting piece 41 can be connected to the connecting portion 31 or disconnected from the connecting portion 31.

In actual use, the user pushes the connecting piece 41 to slide on the first slider 43, so that the connecting piece 41 can be connected or disconnected on the connecting portion 31, and the operation is further facilitated.

Specifically, the connecting member 41 has a rod-like overall structure, the first slider 43 is provided with a second bar-shaped hole 432, the connecting member 41 is disposed through the second bar-shaped hole 432, and the connecting member 41 is slidable in the length direction of the second bar-shaped hole 432.

The connecting piece 41 is provided with a first button 45, and a user can drive the connecting piece 41 to slide on the first sliding block 43 through the first button 45. The user can push the connecting piece 41 to slide on the first sliding through the first button 45, so that the use safety is improved. Specifically, the connector 41 is plugged onto the first button 45.

The connecting piece 41 is a plug pin, the connecting portion 31 is a slot formed on the backrest 3, and the connecting piece 41 can be inserted into the connecting portion 31. More than two connecting portions 31 are uniformly arranged in the first slide groove 33.

Also included is a first resilient member 46, the first resilient member 46 forcing the connector 41 to remain connected to the connector 31. The first elastic member 46 refers to an elastically deformable member. The connection member 41 remains connected to the connection portion 31 by the elastic force of the first elastic member 46.

The first elastic member 46 is disposed between the first slider 43 and the first button 45.

Specifically, the first elastic member 46 is a coil spring. The first button 45 is hollow, the first elastic member 46 is disposed in the first button 45, one end of the first elastic member 46 abuts against the first button 45, and the other end of the first elastic member 46 abuts against the first slider 43.

The front surface of the backrest 3 is used for supporting the back of a human body, and the connecting part 31 is arranged on the back surface of the backrest 3.

In actual use, the user leans against the backrest 3, and the back of the user and the connecting portion 31 are disposed at different positions of the backrest 3, independently of each other and without interfering with each other.

The upper surface of the cushion 2 is used for supporting the buttocks of a human body, and the hinged position of the supporting rod 42 on the frame 1 is arranged below the cushion 2.

In actual use, a user sits on the seat cushion 2, and the connection positions of the buttocks and the support rods 42 of the user on the frame 1 are respectively arranged at different positions of the seat cushion 2, and are mutually independent and do not interfere with each other.

The overall structure of the support rod 42 is an arc rod body, which improves the compactness of the structure.

The utility model also comprises a pedal 5, wherein the pedal 5 is used for a user to tread, and the pedal 5 is fixedly arranged on the cushion 2. In actual use, if a user sits on the seat cushion 2, he or she can step on the pedals 5.

The pedal 5 comprises a first connecting rod 51, a second connecting rod 52 and a pedal 53, wherein the first connecting rod 51 is fixedly arranged on the seat cushion 2, the second connecting rod 52 is hinged on the first connecting rod 51, the pedal 53 is arranged on the second connecting rod 52, a ratchet mechanism 6 is arranged between the first connecting rod 51 and the second connecting rod 52, and the ratchet mechanism 6 is used for unidirectional locking of the second connecting rod 52 on the first connecting rod 51.

Wherein the second link 52 is vertically rotatable on the first link 51. The foot pedal 53 is used for the person to pedal 5. The unidirectional locking of the second link 52 on the first link 51 means that the second link 52 is freely rotatable in the forward direction of the first link 51 and is locked in the reverse direction of the first link 51. For example, in actual use, the second link 52 is pushed upward to drive the second link 52 to rotate upward on the first link 51, so that the foot pedal 53 is lifted upward, and when the second link 52 is pushed downward, the second link 52 cannot be driven to rotate downward on the first link 51, so that the walking vehicle has the advantages of adjustable elevation angle of the foot pedal 53 and convenient adjustment.

The ratchet mechanism 6 includes a first ratchet 61, a second ratchet 62, and a second elastic member 63, where the ratchet mechanism 6 locks the second link 52 on the first link 51 in a unidirectional manner if the first ratchet 61 is engaged with the second ratchet 62, and where the second link 52 is free to rotate on the first link 51 if the first ratchet 61 is disengaged from the second ratchet 62, the second elastic member 63 is used to force the first ratchet 61 to remain engaged with the second ratchet 62.

Wherein the first ratchet 61 and the second ratchet 62 refer to gears having tooth surfaces on outer edges thereof. If the first ratchet 61 is engaged with the second ratchet 62, the second link 52 can only rotate forward on the first link 51, but cannot rotate backward on the first link 51. When the first ratchet 61 is disengaged from the second ratchet 62, the second link 52 may be rotated not only forward on the first link 51 but also backward on the first link 51.

The first ratchet wheel 61 is slidably disposed on the first link 51, and the second ratchet wheel 62 is fixedly disposed on the second link 52.

Wherein the second link 52 is rotatable about the rotational axis of the first link 51. The first ratchet 61 is slidable in the axial direction of the rotation shaft, and the first ratchet 61 is fixed circumferentially on the rotation shaft. The second ratchet 62 may be integrally formed on the second link 52.

The second elastic member 63 is disposed between the first ratchet 61 and the first link 51.

Specifically, the second elastic member 63 is a coil spring. One end of the second elastic member 63 abuts against the first ratchet 61, and the other end of the second elastic member 63 abuts against the first link 51. The first ratchet 61 is kept engaged with the second ratchet 62 by the elastic force of the second elastic member 63.

A second sliding groove 58 is formed between the first connecting rod 51 and the second connecting rod 52, and a first ratchet 61 is slidably disposed in the second sliding groove 58. The second ratchet 62 and the second elastic member 63 are respectively disposed in the second slide groove 58. The first ratchet wheel 61, the second ratchet wheel 62 and the second elastic member 63 are hermetically arranged in the second chute 58, and the first connecting rod 51 and the second connecting rod 52 play a role in sealing and protecting the first ratchet wheel 61, the second ratchet wheel 62 and the second elastic member 63.

The ratchet mechanism 6 further comprises a second button 64, and a user can drive the first ratchet 61 to disengage from the second ratchet 62 through the second button 64.

Wherein, the second button 64 is exposed outside the second chute 58, so that the user can drive the first ratchet 61 to slide in the second chute 58 through the second button 64.

The second connecting rod 52 is provided with an opening 521, the opening 521 is communicated with the second chute 58, the second button 64 is provided with an elastic buckle 641, and the elastic buckle 641 is arranged through the opening 521.

Specifically, at least two openings 521 are provided, and two or more openings 521 are uniformly provided in the circumferential direction of the rotation shaft (not shown in the drawings). At least two elastic buckles 641 are provided, and more than two elastic buckles 641 are circumferentially arranged on the second button 64, and the elastic buckles 641 penetrate through the corresponding openings 521. In actual use, the second button 64 is pressed, and the elastic buckle 641 abuts against the first ratchet 61, so that the first ratchet 61 can be pushed to be separated from the second ratchet 62.

The mounting position of the foothold 53 on the second link 52 is adjustable. If the position of the foot pedal 53 on the second link 52 is changed, the foot pedal 53 may be moved closer to or further away from the seat cushion 2, thereby adapting to users of different sizes to take the child car.

The footrest 53 is provided with a third chute 531, and the second link 52 is slidably disposed in the third chute 531, so that the footrest 53 can be close to or far from the seat cushion 2 when the footrest 53 slides on the second link 52. Wherein the second link 52 is slidable in the sliding direction of the third slide groove 531. The notch of the third chute 531 faces the seat cushion 2.

The pedal plate 53 is fixedly arranged on the second connecting rod 52 by the first lock pin 54 when the first lock pin 54 is connected to the second connecting rod 52 and the pedal plate 53, and the pedal plate 53 can freely slide on the second connecting rod 52 when the first lock pin 54 is separated from the second connecting rod 52 or the pedal plate 53.

Specifically, the first lock pin 54 may disengage the foot pedal 53. If the first lock pin 54 is disengaged from the foot pedal 53, the foot pedal 53 can slide freely on the second link 52. If the first lock pin 54 is connected to the second link 52 and is also connected to the footboard 53, the footboard 53 is fixedly provided to the second link 52 so that the first lock pin 54 plays a role in positioning the footboard 53.

The first lock pin 54 and the foot pedal 53 are connected together by way of a socket, and the first lock pin 54 and the second link 52 are also connected together by way of a socket. The foot pedal 53 is provided with a first pin hole 532, the second connecting rod 52 is provided with a second pin hole 522, and the first lock pin 54 can be arranged through the first pin hole 532 and the second pin hole 522, so that the foot pedal 53 is fixedly arranged on the second connecting rod 52.

At least two first pin holes 532 are provided, and more than two first pin holes 532 are sequentially provided in the length direction of the third slide groove 531. If the first lock pin 54 is inserted through a different first pin hole 532, the position of the foot pedal 53 on the second link 52 can be changed. For example, if the first lock pin 54 is inserted into a first pin hole 532, the distance between the foot pedal 53 and the seat cushion 2 is c; if the first lock pin 54 is inserted into the other first pin hole 532, the distance between the footrest 53 and the seat cushion 2 is d, and c is not equal to d.

A third spring 55 is also included, the third spring 55 acting to urge the first locking pin 54 to remain disposed through the first and second pin bores 532, 522.

The third elastic member 55 is a coil spring, one end of the third elastic member 55 abuts against the first lock pin 54, and the other end of the third elastic member 55 abuts against the second link 52.

The second connecting rod 52 is a hollow pipe body, and the third elastic member 55 is disposed in the second connecting rod 52. Wherein the second link 52 protects the third elastic member 55.

The seat cushion 2 is provided with a mounting groove 21, the first connecting rod 51 is inserted into the mounting groove 21, the seat cushion further comprises a second lock pin 56, the second lock pin 56 fixedly sets the first connecting rod 51 on the second connecting rod 52 when the second lock pin 56 is connected to the seat cushion 2 and the first connecting rod 51, and the first connecting rod 51 can be separated from the mounting groove 21 when the second lock pin 56 is separated from the seat cushion 2 or the first connecting rod 51.

Specifically, the second lock pin 56 may disengage from the seat cushion 2. When the second lock pin 56 is disengaged from the seat cushion 2, the first link 51 can be disengaged from the mounting groove 21. If the second lock pin 56 is connected to the seat cushion 2 and is also connected to the first link 51, the first link 51 is fixedly disposed on the seat cushion 2.

The second lock pin 56 and the first link 51 are connected together by way of a plug, and the second lock pin 56 and the seat cushion 2 are also connected together by way of a plug. The first connecting rod 51 is provided with a third pin hole 511, the cushion 2 is provided with a fourth pin hole 22, and the second lock pin 56 can be arranged through the third pin hole 511 and the fourth pin hole 22, so that the first connecting rod 51 and the cushion 2 are fixedly arranged together.

And a fourth elastic member 57, the fourth elastic member 57 forces the second locking pin 56 to remain penetrating the third pin hole 511 and the fourth pin hole 22. Specifically, the fourth elastic member 57 is a coil spring, one end of the fourth elastic member 57 abuts against the second lock pin 56, and the other end of the fourth elastic member 57 abuts against the first link 51. The second locking pin 56 is held to be penetrated through the third pin hole 511 and the fourth pin hole 22 by the elastic force of the fourth elastic member 57.

The first connecting rod 51 is a hollow pipe body, the fourth elastic member 57 is disposed in the first connecting rod 51, the third pin hole 511 is communicated with the first connecting rod 51, and the first connecting rod 51 protects the fourth elastic member 57.

The frame 1 comprises a first bracket 11, a front frame 12, a rear frame, a first limiting rod 16, a second limiting rod 17 and a sliding piece, the cushion 2 is arranged on the first bracket 11, the rear frame is hinged on the first bracket 11, the front frame 12 is hinged on the rear frame, the first limiting rod 16 is hinged on the front frame 12, the second limiting rod 17 is hinged on the first bracket 11, the first limiting rod 16 and the second limiting rod 17 are respectively hinged on the sliding piece, the sliding piece is arranged on the rear frame in a sliding way, the first bracket 11, the front frame 12, the rear frame, the first limiting rod 16, the second limiting rod 17 and the sliding piece form a plane connecting rod mechanism, the first bracket 11 comprises a handle rod 111, the front frame 12 comprises a front frame 121, the rear frame comprises a rear frame 14, and the handle rod 111, the first limiting rod 16, the second limiting rod 17, the front frame 121 and the rear frame 14 are foldable together.

In this child car of walking, first support 11, preceding frame 12, back frame, first gag lever post 16, second gag lever post 17 and slider constitute plane link mechanism, if the back frame rotates on preceding frame 12, can drive preceding frame 12 and rotate on the back frame, still can drive first gag lever post 16 and rotate on preceding frame 12, still can drive second gag lever post 17 and rotate on first support 11, still can drive first gag lever post 16 and second gag lever post 17 and rotate on the slider, still can drive the slider and slide on the back frame to reach the effect of linkage. In actual use, the handle bar 111, the first stopper bar 16, the second stopper bar 17, the front vehicle bar 121 and the rear vehicle bar 14 are conveniently folded together or unfolded from each other. If the handle bar 111, the first stop bar 16, the second stop bar 17, the front bar 121 and the rear bar 14 are folded together, the space occupied by the walking baby car is reduced, and the walking baby car is convenient to store and carry. If the handle bar 111, the first stop bar 16, the second stop bar 17, the front vehicle bar 121 and the rear vehicle bar 14 are unfolded, the walking vehicle can be normally used, and the unfolded walking vehicle has the advantage of large floor support area, so that the carrying capacity of the walking vehicle is improved.

Specifically, the wheels include a front wheel 7 and a rear wheel 8. The front wheel 7 is rotatably provided on the front axle 121 and the rear wheel 8 is rotatably provided on the rear axle 14.

The rear frame comprises a rear saddle 13 and a pair of rear bars 14, the sliding piece comprises a sliding seat 15, a pair of sliding sleeves 19 and a pair of third limiting bars 18, the first bracket 11, the front frame 12 and the pair of rear bars 14 are respectively hinged on the rear saddle 13, the first limiting bars 16, the second limiting bars 17 and the pair of third limiting bars 18 are respectively hinged on the sliding seat 15, one third limiting bar 18 is also hinged on one sliding sleeve 19, the other third limiting bar 18 is also hinged on the other sliding sleeve 19, one sliding sleeve 19 is slidably arranged on one rear bar 14, the other sliding sleeve 19 is slidably arranged on the other rear bar 14, the sliding seat 15, the pair of third limiting bars 18, the pair of rear bars 14, the pair of sliding sleeves 19 and the rear saddle 13 form a plane connecting rod mechanism, and the handle bars 111, the first limiting bars 16, the second limiting bars 17, the pair of third limiting bars 18, the front car bars 121 and the pair of rear bars 14 can be folded together.

The slide seat 15, the pair of third check bars 18, the pair of rear vehicle levers 14, the pair of sliding sleeves 19 and the rear seat 13 also constitute a planar link mechanism, and constitute a spatial link mechanism with the first bracket 11, the front frame 12, the rear frame, the first check bar 16, the second check bar 17 and the slide. If the rear frame rotates on the front frame 12, the first stop lever 16, the second stop lever 17 and the pair of third stop levers 18 respectively rotate on the sliding seats 15, the third stop levers 18 rotate on the corresponding sliding sleeves 19, and the sliding sleeves 19 slide on the corresponding rear vehicle levers 14, so that the effect that the handle levers 111, the first stop levers 16, the second stop levers 17, the pair of third stop levers 18, the front vehicle levers 121 and the pair of rear vehicle levers 14 can be folded together is achieved. If the handle bar 111, the first stop bar 16, the second stop bar 17, the pair of third stop bars 18, the front vehicle bar 121 and the pair of rear vehicle bars 14 are folded together, the space occupied by the child walking vehicle is further reduced. If the handle bar 111, the first stop bar 16, the second stop bar 17, the pair of third stop bars 18, the front vehicle bar 121 and the pair of rear vehicle bars 14 are unfolded, the floor support area of the walking vehicle is further increased.

The above embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in any way, therefore: all equivalent changes of structure, shape and principle of the utility model are covered in the protection scope of the utility model.

Claims (10)

1. The utility model provides a child car of walking, including frame (1), be provided with the seat on frame (1), the seat includes cushion (2) and articulates back (3) on cushion (2), a serial communication port, still include support frame (4), support frame (4) are including connecting piece (41) and bracing piece (42), bracing piece (42) articulate on the seat, be provided with connecting portion (31) on back (3), connecting piece (41) can dismantle and connect on connecting portion (31), cushion (2), back (3) and support frame (4) can constitute triangle bearing structure, connecting portion (31) are two at least, if connecting piece (41) connect on connecting portion (31) of difference, the angle of contained angle also differs between back (3) and cushion (2).

2. A walker as claimed in claim 1, wherein the support frame (4) comprises a first slider (43), the first slider (43) being hinged to the support bar (42), the first slider (43) being slidably arranged on the backrest (3), and more than two connecting portions (31) being arranged on the sliding path of the first slider (43) on the backrest (3).

3. A walker as claimed in claim 2, wherein the connector (41) is slidably mounted on the first slider (43), the connector (41) being attachable to and detachable from the connector (31) if the connector (41) is slid over the first slider (43).

4. A walking vehicle according to claim 1, 2 or 3, characterized in that the connecting piece (41) is a plug, the connecting part (31) is a slot formed in the backrest (3), and the connecting piece (41) can be inserted into the connecting part (31).

5. A walking vehicle according to claim 1, characterized in that the front side of the backrest (3) is used for supporting the back of the human body, and the connection part (31) is arranged on the back side of the backrest (3).

6. The walking vehicle according to claim 1, further comprising a pedal (5), wherein the pedal (5) is fixedly arranged on the seat cushion (2), the pedal (5) comprises a first connecting rod (51), a second connecting rod (52) and a foot pedal (53), the first connecting rod (51) is fixedly arranged on the seat cushion (2), the second connecting rod (52) is hinged on the first connecting rod (51), the foot pedal (53) is arranged on the second connecting rod (52), a ratchet mechanism (6) is arranged between the first connecting rod (51) and the second connecting rod (52), and the ratchet mechanism (6) is used for unidirectional locking of the second connecting rod (52) on the first connecting rod (51).

7. The walker as claimed in claim 6 wherein the ratchet mechanism (6) comprises a first ratchet (61), a second ratchet (62) and a second resilient member (63), the first ratchet (61) being slidably disposed on the first link (51), the second ratchet (62) being fixedly disposed on the second link (52), the second resilient member (63) being disposed between the first ratchet (61) and the first link (51), the second resilient member (63) forcing the first ratchet (61) to remain engaged on the second ratchet (62), the first ratchet (61) being disengageable from the second ratchet (62) if the first ratchet (61) slides on the first link (51).

8. The walking vehicle of claim 6 or 7, wherein the pedal plate (53) is provided with a third chute (531), the second connecting rod (52) is arranged in the third chute (531), and the walking vehicle further comprises a first lock pin (54), and the first lock pin (54) fixedly arranges the pedal plate (53) on the second connecting rod (52) if the first lock pin (54) is connected to the second connecting rod (52) and the pedal plate (53); when the first lock pin (54) is separated from the second connecting rod (52) or the pedal plate (53), the pedal plate (53) can freely slide on the second connecting rod (52).

9. The walker as claimed in claim 1 wherein the frame (1) comprises a first bracket (11), a front frame (12), a rear frame, a first stop lever (16), a second stop lever (17) and a slider, the seat cushion (2) is disposed on the first bracket (11), the rear frame is hinged on the first bracket (11), the front frame (12) is hinged on the rear frame, the first stop lever (16) is hinged on the front frame (12), the second stop lever (17) is hinged on the first bracket (11), the first stop lever (16) and the second stop lever (17) are hinged on the slider respectively, the slider is slidably disposed on the rear frame, the first bracket (11), the front frame (12), the rear frame, the first stop lever (16), the second stop lever (17) and the slider form a planar link mechanism, the first bracket (11) comprises a handle bar (111), the front frame (12) comprises a front frame (121), the rear frame comprises a rear frame (14), the handle bar (111), the first stop lever (16) and the second stop lever (17) can be folded together.

10. The walker as claimed in claim 9 wherein the rear frame includes a rear seat (13) and a pair of rear levers (14), the slide includes a slide seat (15) and a pair of third levers (18), the first bracket (11), the front frame (12) and the pair of rear levers (14) are hinged to the rear seat (13) respectively, the first levers (16), the second levers (17) and the pair of third levers (18) are hinged to the slide seat (15) respectively, the third levers (18) are hinged to a slide sleeve (19) respectively, the other third levers (18) are hinged to another slide sleeve (19), the slide sleeve (19) is slidably disposed on the rear levers (14), the other slide sleeve (19) is slidably disposed on the other rear levers (14), the slide seat (15), the pair of third levers (18) and the pair of rear levers (14) are hinged to the slide seat (13) respectively, the first levers (19) and the rear levers (13) form a planar link mechanism, the handle bar (111), the first levers (16) and the second levers (17) are hinged to the first levers (121) and the second levers (14) are hinged to the second levers (121).

Images