CN200957825Y

CN200957825Y - Foldable pushchair

Info

Publication number: CN200957825Y
Application number: CN 200620063867
Authority: CN
Inventors: 马石机
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-30
Filing date: 2006-08-30
Publication date: 2007-10-10
Anticipated expiration: 2016-08-30

Abstract

The utility model discloses a three dimension foldaway four trolley baby stroller which comprises the frame of the trolley, two front wheels, two rear wheels and cloth; wherein, the frame includes: two support pipes whose lower end are hinged on the axis of the front wheel through a connecting piece of the two front wheels respectively; two support pipes of the rear wheels whose lower ends are hinged on the axis of the rear wheel through a connecting piece respectively and whose upper ends are hinged on the upper ends of the two front wheel support pipe through a connecting piece; two handle pipes whose lower ends are connected with the upper end of the support pipes of the front wheel respectively through a connecting piece; two support pipes whose upper ends are hinged on the handle pipes respectively through a connecting piece and whose lower ends are hinged on the support pipes of the rear wheels through a connecting piece respectively; two horizontal support pipes whose frond ends are hinged on the middle part of the support pipe of the front wheels and whose lower ends are hinged on the middle part of the support pipe of the rear wheel through a connecting piece; a rear wheel connecting pipe whose two ends are hinged at the lower ends of the support pipe of the rear wheel; a cross connecting pipe which contains two S shaped connecting pipe that are hinged at the middle cross parts.

Description

A kind of three dimensional fold four-wheel doll carriage

Technical field

The utility model relates to the hand propelled doll carriage, and particularly a kind of most supports all draw the three dimensional fold four-wheel doll carriage that can realize three-dimensional telescopic folding to the inside in.

Background technology

Folding doll carriage of the prior art, generally comprise the go-cart vehicle frame, be arranged on the front-wheel of the front portion, the end of described go-cart vehicle frame, be arranged on the trailing wheel at the rear portion, the end of described go-cart vehicle frame, described go-cart vehicle frame comprises the side stand that is positioned at both sides, described side stand comprises front-wheel support, the upper end of bottom and the described front-wheel support bonded assembly handle that rotates, upper end and the described handle bonded assembly rear wheel support that rotates, usually the go-cart vehicle frame comprises a connecting rod etc., the leading section of described seat connecting rod rotates with described front-wheel support and is connected, the rearward end of described seat connecting rod rotates with described rear wheel support and is connected, when described Folding trolley is folding, the relative rear wheel support of front-wheel support is folding, and thereby the seat connecting rod has limited the folding position of the relative rear wheel support of front-wheel support and can not make less in folding after contraction of front-wheel support relative rear wheel support, and the body frame structure for automotive complexity is assembled loaded down with trivial details; Existing Folding trolley, also can't shrink simultaneously in overall width and overall height direction folding, thereby the Folding trolley complex structure of prior art, the volume after folding is still bigger, make and traffic cost higher, use also inconvenient.

The utility model content

The utility model purpose provides and a kind ofly can realize three dimensional fold, simple in structure, easy to use, three dimensional fold four-wheel doll carriage that volume after folding is littler.

The utility model realizes that the technical scheme that above-mentioned purpose adopted is: a kind of three dimensional fold four-wheel doll carriage, and comprise a go-cart vehicle frame and be connected two front-wheels on the described vehicle frame, two trailing wheels, cloth etc., it is characterized in that described go-cart vehicle frame comprises:

Two front-wheel arms, its lower end is hinged on the front wheel spindle by a connection piece respectively, and its body stretches out to described front-wheel back upper place;

Two trailing wheel arms, its lower end are hinged on the described hind axle by a connection piece respectively, and its body stretches out to described trailing wheel front upper place.Its upper end is hinged by the upper end of a connection piece and described front-wheel arm respectively;

Two handle pipe, its lower end are connected with described front-wheel arm upper end by a connection piece respectively, and its body stretches out to described front-wheel arm back upper place;

Two handgrips, its lower end is socketed in the upper end of described handle pipe respectively;

Two support tubes, its upper end is hinged on the described handle pipe by a connection piece respectively, and its lower end is hinged on the described trailing wheel arm by a connection piece respectively;

Two horizontal branch pipees, its front end are hinged on respectively on the stage casing of described front-wheel arm, and its rear end is hinged on the stage casing of trailing wheel arm by a connection piece respectively

One trailing wheel connection pipe, its two ends are hinged on the lower end of described trailing wheel arm respectively, and it is hinged at the middle part by two sections isometric short tubes and forms;

One crossbinding is taken over, and comprises that profile is S-shaped, its cross one another two adapting pipes in middle part, and the two ends of this S shape adapting pipe are hinged on described trailing wheel arm stage casing respectively, and its infall is hinged.

Aforesaid three dimensional fold four-wheel doll carriage is characterized in that: the hinged place, two sections isometric short tube middle parts of described trailing wheel connection pipe also is provided with a screens member.

Aforesaid three dimensional fold four-wheel doll carriage is characterized in that: described two horizontal branch pipe inboards, also be provided with a microscler seat plate, and these seat plate both sides are two connection quarter butts by be arrangeding in parallel respectively, are connected on described two horizontal branch pipees; One end of this each connection quarter butt is hinged on the described horizontal branch pipe, and the other end is hinged on the described seat plate.

Aforesaid three dimensional fold four-wheel doll carriage, it is characterized in that: the rear end of described two horizontal branch pipees, also be hinged with two spinal support arms respectively, the lower end of this spinal support arm is hinged on the rear end of described horizontal branch pipe, and its body can this jointed shaft be the center swing.

Aforesaid three dimensional fold four-wheel doll carriage is characterized in that: described handgrip is a L shaped bend pipe; Its lower end also is provided with a safe locking mechanism.

Aforesaid three dimensional fold four-wheel doll carriage is characterized in that: between the described two front-wheel arms, also be provided with a stretcher.

Aforesaid three dimensional fold four-wheel doll carriage is characterized in that: described each arm, its profile is straight shape or arc, is one of tubulose or rod component.

The utility model when folding, with two safe locking mechanisms of described handgrip lower end along handgrip axially, to the back upper place pulling, the light downwards then handgrip of pressing; With pin the trailing wheel connection pipe is upwards boosted again.At this moment, handle pipe promotes support tube by its attaching parts, thereby attaching parts is propped up tube's axis slid underneath backward along trailing wheel, and simultaneously, described attaching parts drives horizontal branch pipe, and horizontal branch pipe drives the front-wheel arm, draws close to the trailing wheel arm; Being located at the middle crossbinding of go-cart takes over, when above-mentioned motion is carried out, crossbinding takes over that distance becomes big between two end points of upper and lower, thereby crossbinding is taken over and driven the go-cart two sides and draw close to its center, the three dimensional fold of realization car load that can be easily and fast; Reverse operating then during expansion.

The utility model has not only reduced the volume of Folding trolley after folding, has reduced traffic cost, and simple operation such as simple in structure, folding, expansion, and is very easy to use.

Description of drawings

Fig. 1 launches the running condition perspective view for the utility model embodiment;

Fig. 2 is the back view of Fig. 1;

Fig. 3 is the left view of Fig. 1.

Fig. 4 is the birds-eye view of Fig. 1;

Fig. 5 is the upward view of Fig. 1;

Fig. 6 is the utility model embodiment folded state perspective view.

Below in conjunction with drawings and Examples the utility model is further specified.

The specific embodiment

Embodiment: adopt technical solutions of the utility model, constructing a corrosion-resistant steel tubulose member is a kind of three dimensional fold four-wheel doll carriage of main body of vehicle frame.

Referring to Fig. 1～Fig. 5, a kind of three dimensional fold four-wheel doll carriage, a kind of three dimensional fold four-wheel doll carriage comprises a go-cart vehicle frame and is connected two front-wheels 1 on the described vehicle frame, two trailing wheels 2, cloth etc., described go-cart vehicle frame comprises:

Two front-wheel arms 3, its lower end are hinged on 1 on the front-wheel by a connection piece respectively, and its body stretches out to described front-wheel 1 back upper place;

Two trailing wheel arms 4, its lower end are hinged on 2 of the described trailing wheels by a connection piece respectively, and its body stretches out to described trailing wheel 2 front upper places, and its upper end is hinged with the upper end of described front-wheel arm 3 by a connection piece 5 respectively;

Two handle pipe 6, its lower end are connected with described front-wheel arm upper end by a connection piece respectively, and its body stretches out to described front-wheel arm back upper place;

Two handgrips 7, its lower end is socketed in the upper end in described handle pipe 6 respectively;

Two support tubes 8, its upper end is hinged on the described handle pipe 6 by a connection piece respectively, and its lower end is hinged on the described trailing wheel arm 4 by attaching parts respectively;

Two horizontal branch pipees 9, its front end are hinged on respectively on the stage casing of described front-wheel arm 3, and its rear end is hinged on the stage casing of described trailing wheel arm 4 by a connection piece respectively;

One trailing wheel connection pipe 10, its two ends are hinged on the lower end of described trailing wheel arm 4 respectively, and it is hinged at the middle part by two sections isometric

short tube

10a, 10b and forms;

One crossbinding takes over 11, comprises that profile is S-shaped, its middle part cross one another two adapting

pipe

11a, 11b, and the two ends of this S

shape adapting pipe

11a, 11b are hinged on described trailing wheel arm 4 stage casings respectively, and its infall is hinged.

The hinged place, middle part of two sections isometric

short tube

10a, 10b of described trailing wheel connection pipe 4 also is provided with a screens member 10c.

Described two horizontal branch pipees 9 inboards also are provided with a microscler seat plate 12, and these seat plate 12 both sides are two connection quarter butts 13 by be arrangeding in parallel respectively, are connected on described two horizontal branch pipees 9; One end of this each connection quarter butt 13 is hinged on the horizontal branch pipe 9, and the other end is hinged on the described seat plate 12.

The rear end of described two horizontal branch pipees 9 also is hinged with two spinal support arms 14 respectively, and the lower end of this spinal support arm 14 is hinged on the rear end of described horizontal branch pipe 9, and its body can this jointed shaft be the center swing.

Described handgrip 7 is L shaped bend pipes; Its lower end also is provided with a safe locking mechanism.

Between the described two front-wheel arms 3, also be provided with a stretcher 15.

In the described

arm

3,4,6,8,9,14 is the tubular member of straight shape or arc for profile in the present embodiment, and 10,11,13,15 in the described arm is rod components.

Referring to Fig. 6, the utility model when folding, with two safe locking mechanisms of described handgrip 7 lower ends along handgrip 7 axially, to the back upper place pulling, the light downwards then handgrip 7 of pressing; With pin trailing wheel connection pipe 10 is upwards boosted again.At this moment, handle pipe 6 promotes support tube 8 by its attaching parts, thus with attaching parts along trailing wheel arm 4 axis slid underneath backward, simultaneously, described attaching parts drives horizontal branch pipe 9, horizontal branch pipe 9 drives front-wheel arms 3, draws close to trailing wheel arm 4; The crossbinding that is located in the middle of the go-cart takes over 11, and when above-mentioned motion was carried out, crossbinding took over that distance becomes big between two end points of 11 upper and lowers, thus crossbinding take over 11 and drive go-cart vehicle frame two sides and draw close to its center, realize the three dimensional fold of car load; Reverse operating then during expansion.

Adopt the described same or analogous structure of the utility model the foregoing description, resulting other three dimensional fold four-wheel doll carriages are all within the utility model protection domain.

Claims

1, a kind of three dimensional fold four-wheel doll carriage comprises a go-cart vehicle frame and is connected two front-wheels on the described vehicle frame, two trailing wheels, cloth etc., it is characterized in that described go-cart vehicle frame comprises:

Two trailing wheel arms, its lower end are hinged on the described hind axle by a connection piece respectively, and its body stretches out to described trailing wheel front upper place. and its upper end is hinged by the upper end of a connection piece and described front-wheel arm respectively;

2, three dimensional fold four-wheel doll carriage according to claim 1 is characterized in that: the hinged place, two sections isometric short tube middle parts of described trailing wheel connection pipe also is provided with a screens member.

3, three dimensional fold four-wheel doll carriage according to claim 1 and 2, it is characterized in that: described two horizontal branch pipe inboards, also be provided with a microscler seat plate, these seat plate both sides are two connection quarter butts by be arrangeding in parallel respectively, are connected on described two horizontal branch pipees; One end of this each connection quarter butt is hinged on the described horizontal branch pipe, and the other end is hinged on the described seat plate.

4, three dimensional fold four-wheel doll carriage according to claim 1 and 2, it is characterized in that: the rear end of described two horizontal branch pipees, also be hinged with two spinal support arms respectively, the lower end of this spinal support arm is hinged on the rear end of described horizontal branch pipe, and its body can this jointed shaft be the center swing.

5, three dimensional fold four-wheel doll carriage according to claim 1 and 2 is characterized in that: described handgrip is a L shaped bend pipe; Its lower end also is provided with a safe locking mechanism.

6, three dimensional fold four-wheel doll carriage according to claim 1 and 2 is characterized in that: between the described two front-wheel arms, also be provided with a stretcher.

7, three dimensional fold four-wheel doll carriage according to claim 1 and 2 is characterized in that: described each arm, its profile is straight shape or arc, is one of tubulose or rod component.