CN205661504U - A baby stroller with a small foldable volume - Google Patents

Abstract

The utility model discloses a baby stroller with a small folded volume, comprising a frame, the frame comprising a fixed seat, a front leg, a rear leg, a rider, a first connecting rod, and a second connecting rod, the rider comprising an upper rider and a lower rider, the upper end of the lower rider being pivotally connected to the rider through a first pivot, and the lower part being pivotally connected to the top of the fixed seat, the upper end of the rear leg being fixed to the fixed seat, the rear end of the front leg being pivotally connected to the fixed seat, the upper end of the first connecting rod being pivotally connected to the lower end of the lower rider, and the lower end being pivotally connected to the rear end of the front leg, the upper end of the second connecting rod being pivotally connected to the lower end of the rider through a second pivot, and the lower end being pivotally connected to the rear leg, the first pivot being located above the second pivot, when the frame is folded, the rider is pressed downward, and the various components are rotated and approached in linkage, after folding, the upper rider and the lower rider are folded and brought together, thereby the overall length of the rider is greatly shortened, making the folded volume of the entire baby stroller greatly reduced; and the folding and rotation of the upper rider and the lower rider are completed simultaneously with the folding of the frame, thereby making the operation more convenient.

Description

A baby stroller with a small foldable volume

technical field

The utility model relates to infant products, in particular to a stroller.

Background technique

The stroller is used to carry infants and young children to reduce the burden of parents holding the baby. The stroller generally includes a foldable frame, so that when the stroller is not in use, the stroller can be folded, which is convenient to carry and can reduce the The collection volume takes up less space. The frame generally includes a rider for the operator to push the stroller. In order to facilitate the stroller, the rider of the baby stroller must be designed to a certain length, so that there is a certain height when the frame is unfolded, so as to avoid the operator having to push the stroller. bend over. However, this kind of long driver has certain disadvantages, that is, after the frame is folded, the length of the folded frame will be relatively long, resulting in a large folded volume.

Utility model content

The purpose of the utility model is to provide a baby carriage with a small folded volume.

In order to achieve the above object, the technical solution adopted in the utility model is:

A baby stroller with a small folded volume, comprising a vehicle frame in an unfolded state and a folded state, a front wheel arranged at the bottom front of the frame, a rear wheel arranged at the rear of the bottom of the frame, and the frame is locked The vehicle frame locking mechanism in the unfolded state, the vehicle frame includes interconnected left and right side brackets, and each side bracket includes a fixed seat, a front foot, a rear foot, a driver, a first connecting rod, and a second connecting rod. The driver includes an upper part of the driver and a lower part of the driver. The upper end of the lower part of the driver is pivotally connected to the upper part of the driver through a first pivot, the lower part is pivotally connected to the top of the fixed seat, and the upper end of the rear foot is fixedly connected to the rear and lower part of the fixed seat. The rear part of the front foot is pivotally connected to the front and lower part of the fixed seat, the upper end of the first connecting rod is pivotally connected to the lower end of the driver's lower end, and the lower end is pivotally connected to the rear end of the front foot, and the upper end of the second connecting rod is pivotally connected to the driver through a second pivot On the lower end, the lower end of the second connecting rod is pivotally connected to the rear foot through the third pivot, and the first pivot is located above the second pivot.

Each side bracket also includes a first connecting piece and a second connecting piece, the upper end of the first connecting piece is fixedly connected to the lower end of the driver, the middle part is pivotally connected to the fixing seat, and the lower end is pivotally connected to the upper end of the first connecting rod. The front end of the second connecting piece is fixedly connected to the rear end of the front foot, the middle part is pivotally connected to the fixing seat, and the rear end is pivotally connected to the lower end of the first connecting rod.

The fixing base includes two fixing plates fixed together left and right, an inner cavity is formed between the two fixing plates, and the lower end of the first connecting piece, the rear end of the second connecting piece and the first connecting rod are located in the inner cavity Inside.

Each side bracket also includes a first rotating base and a second rotating base pivotally connected to each other, the first rotating base and the second rotating base are pivotally connected through a first pivot, and the upper and lower ends of the driver are fixedly connected to the second rotating base. The upper end of a rotating base, the lower upper end of the rider is fixedly connected to the lower end of the second rotating base, and the upper end of the second connecting rod is pivotally connected to the lower end of the first rotating base through a second pivot.

The vehicle frame locking mechanism is arranged between the top of the driver and the bottom of the driver.

Each side bracket also includes a seat tube and a side armrest, the rear side of the seat tube is pivotally connected to the second link through a fourth pivot, and the front side is pivotally connected to the side armrest through a fifth pivot. The lower end of the side armrest is pivotally connected to the inner side of the fixing seat, and the fourth pivot is located between the second pivot and the third pivot.

The vehicle frame also includes a rod, the left and right ends of the rod are respectively fixedly connected to the fixing seats of the brackets on both sides, the lower ends of the side armrests of each side bracket are provided with sleeves, and the lower ends of the armrests on both sides pass through the fixed seats of the brackets on both sides. The sleeve is rotatably sleeved on the left and right ends of the pole.

Each side bracket includes a seat tube, the rear end of the seat tube is pivotally connected to the second connecting rod through a sixth pivot, and the sixth pivot is located between the second pivot and the third pivot, so The front portion of the seat tube is relatively slidingly connected with the driver's lower part.

Each side bracket also includes a sleeve, and a connecting portion extends from one side of the sleeve, and the connecting portion is fixedly connected to the underside of the rider, and the seat tube passes through the sleeve, so that the seat tube and the underside of the rider slide relatively Each side bracket further includes a side armrest, the rear end of the side armrest is fixedly connected to the seat tube, and the connection point between the side armrest and the seat tube is located between the sleeve and the sixth pivot.

The upper ends of the riders on the two sides of the bracket are respectively connected to the left and right of a first cross bar, the lower ends of the front feet of the two sides of the support are respectively connected to the left and right ends of a second cross bar, and the seats of the two sides of the bracket The front ends of the tube are respectively pivotally connected to the left and right ends of a U-shaped shank.

The beneficial effects of the utility model are: the driver of the utility model adopts the upper driver and the lower driver pivotally connected to each other, so that after being folded, the upper driver and the lower driver are in a state of being rotated and folded close together, so that the overall length of the driver Greatly shortened, so that the folded volume of the whole stroller is greatly reduced; and when folded, the folding and rotating of the upper and lower riders and the folding of the frame are completed at the same time, so that the operation is simpler and more convenient.

Description of drawings

Fig. 1 is a schematic plan view of the expanded state of the first embodiment of the baby stroller of the utility model with a small folding volume;

Fig. 2 is a schematic plan view during the folding process of the first embodiment of the baby stroller with small folding volume according to the present invention;

Fig. 3 is a schematic plan view of the folded first embodiment of the baby carriage with small folded volume of the present invention;

Fig. 4 is an enlarged schematic diagram of the connection of the front foot, the rear foot, and the driver's lower part of the first embodiment of the baby carriage with a small folding volume of the present invention in the unfolded state;

Fig. 5 is an enlarged schematic diagram of the connection between the front foot, the rear foot and the driver's lower part of the first embodiment of the baby carriage with small folding volume of the present invention during the folding process;

Fig. 6 is an enlarged schematic diagram of the connection of the front foot, the rear foot, and the lower part of the driver in the folded state of the first embodiment of the baby carriage with a small foldable volume of the present invention;

Fig. 7 is a three-dimensional schematic diagram of the first embodiment of the baby carriage with a small folded volume of the present invention in an unfolded state;

Fig. 8 is a three-dimensional schematic diagram during the folding process of the first embodiment of the baby stroller with small folding volume according to the present invention;

Fig. 9 is a schematic plan view of the expanded state of the second embodiment of the baby stroller with small foldable volume of the present invention;

Fig. 10 is a three-dimensional schematic diagram of the expanded state of the second embodiment of the baby stroller with small foldable volume of the present invention;

Fig. 11 is a three-dimensional schematic diagram during the folding process of the second embodiment of the baby stroller with small folding volume according to the present invention;

Fig. 12 is a schematic plan view of the folded second embodiment of the baby stroller with small foldable volume of the present invention;

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

first embodiment

As shown in Figures 1, 2, 3, 4, 5, 6, 7, and 8, in this embodiment, the baby carriage with a small folded volume of the utility model includes a vehicle frame 1 with an unfolded state and a folded state. The front wheel 2 at the bottom front of the vehicle frame 1, the rear wheel 3 arranged at the bottom rear of the vehicle frame 1, and the vehicle frame locking mechanism (not shown) that lock the vehicle frame 1 in the unfolded state, the vehicle Frame 1 comprises mutually connected left and right sides support 100, and each side support 100 all comprises fixed base 11, front foot 12, rear foot 13, rider 14, first connecting rod 15, second connecting rod 16, and described rider 14 comprises rider The upper part 141 and the driver's lower part 142, the upper end of the driver's lower part 142 is pivotally connected to the driver's upper part 141 through the first pivot 4, the lower part is pivotally connected to the top of the fixed seat 11, and the upper end of the rear foot 13 is fixedly connected to the rear of the fixed seat 11 Below, the rear part of the front foot 12 is pivotally connected to the front and lower part of the fixed seat 11, the upper end of the first connecting rod 15 is pivotally connected to the lower end of the driver's bottom 142, and the lower end is pivotally connected to the rear end of the front foot 12. The second connecting rod 16 The upper end is pivotally connected to the lower end of the rider upper 141 through the second pivot 5 , the lower end of the second link 16 is pivotally connected to the rear foot 13 through the third pivot 6 , and the first pivot 4 is located above the second pivot 5 .

Preferably, each side bracket 100 also includes a first connecting piece 17 and a second connecting piece 18, the upper end of the first connecting piece 17 is fixedly connected to the lower end of the driver’s bottom 142, and the middle part is pivotally connected to the fixed seat 11, The lower end is pivotally connected to the upper end of the first connecting rod 15, the front end of the second connecting piece 18 is fixedly connected to the rear end of the front foot 12, the middle part is pivotally connected to the fixed seat 11, and the rear end is pivotally connected to the lower end of the first connecting rod 15, thereby passing The two connecting iron sheets connect the driver's lower 142, the front foot 12 with the fixed seat 11.

Preferably, the fixed seat 11 includes two fixed plates 110 fixed together left and right, an inner cavity (not shown) is formed between the two fixed plates 110, the lower end of the first connecting piece 17, the second connecting piece The rear end of the sheet 18 and the first connecting rod 15 are located in the inner cavity, so that the whole structure can be made more compact and the appearance looks neater.

In this embodiment, preferably, the frame locking mechanism is arranged between the upper 141 of the driver and the lower 142 of the driver, because the frame locking mechanism is not the main point of the present utility model, so it will not be described in detail here, and it can be known Any technology, as long as it is a locking mechanism capable of locking two relatively rotating parts, can be used here. In other embodiments, the frame locking mechanism may also be arranged between any two above-mentioned pivoted components.

After the frame locking mechanism is released, the rider upper 141 is pressed down, driving the rider lower 142 and the upper end of the second connecting rod 16 to rotate in the direction of the rear foot 13 at the rear and lower, so that the lower end of the rider lower 142 rotates forward and upward, thereby linking The first connecting rod 15 drives the front foot 12 to rotate towards the rear foot 13, until finally the driver goes up 141, the driver goes down 142, the front foot 12, the rear foot 13, the first connecting rod 15, and the second connecting rod 16 rotate and move closer together, and the vehicle frame is completely retracted. combine. Because after being folded, the upper 141 of the driver and the lower 142 of the driver are in the state of being rotated and folded close together, so that the length is greatly shortened, so that the folded volume of the whole stroller is greatly reduced. And when folding, the folding rotation of the driver's upper 141 and the driver's lower 142 is completed simultaneously with the folding of the vehicle frame 1, so that the operation is simpler and more convenient.

Each side bracket 100 also includes a first swivel base 191 and a second swivel base 192 that are pivotally connected to each other. The first swivel base 191 and the second swivel base 192 are pivotally connected through the first pivot 4. The rider The lower end of the upper 141 is fixedly connected to the upper end of the first swivel base 191, the upper end of the lower rider 142 is fixedly connected to the lower end of the second swivel base 192, and the upper end of the second connecting rod 16 is pivotally connected to the first swivel base through the second pivot 5 191 lower end.

Each side bracket 100 also includes a seat tube 10 and a side armrest 20, the rear side of the seat tube 10 is pivotally connected to the second link 16 through the fourth pivot 7, and the front side is connected to the second link 16 through the fifth pivot 70. The side armrest 20 is pivotally connected, the lower end of the side armrest 20 is pivotally connected to the inner side of the fixing seat 11 , and the fourth pivot 7 is located between the second pivot 5 and the third pivot 6 . When the frame is folded, the second connecting rod 16 rotates backwards and downwards to pull the seat tube 10 backwards, so that the linkage side armrests 20 also rotates backwards and downwards, until finally the seat tube 10, side armrests 20 and other components of the frame are close together Together, that is to say, the seat tube 10 and the side armrest 20 can be folded together, so that the folding operation becomes easier, and the volume of the folded frame becomes smaller.

In this embodiment, preferably, the vehicle frame further includes a pole 200, the left and right ends of the pole 200 are respectively fixedly connected to the fixing seats 11 of the brackets 100 on both sides, and each side bracket 100 The lower ends of the side armrests 20 are provided with sleeves 201 , and the lower ends of the armrests 20 on both sides are rotatably sleeved on the left and right ends of the pole 200 through the sleeves 201 , so that the side armrests 20 are pivotally connected to the inner side of the fixing seat 11 . When the frame is folded, the side armrest 20 rotates around the pole 200 and at the same time rotates relative to the seat tube 10 with the fifth pivot 70 as the rotation axis.

The upper ends of the rider's top 141 of the two side brackets 100 are respectively connected to the left and right sides of a first cross bar 143 , preferably, the rider's top 141 of the two side brackets 100 is integrally formed with the first cross bar 143 .

The lower ends of the front legs 12 of the two side supports 100 are respectively connected to the left and right ends of a second cross bar 121 . Preferably, the front legs 12 of the two side supports 100 and the second cross bar 121 are integrally formed.

The front ends of the seat tubes 10 of the two side brackets 100 are respectively pivotally connected to the left and right ends of a U-shaped calf 101, and the rear ends of the seat tubes 10 of the two side brackets 100 are respectively connected to the ends of a third cross bar 102. At the left and right ends, preferably, the seat tube 10 of the two side brackets 100 is integrally formed with the third cross bar 102 .

Front ends of the side armrests 20 of the two side brackets 100 are respectively connected to two ends of a front armrest 202 .

The struts 200 are connected to the brackets 100 on the left and right sides with each cross bar, so that the whole vehicle frame is more stable.

In this embodiment, preferably, the stroller further includes a release operation mechanism 8 for releasing the frame locking mechanism, the release operation mechanism 8 is arranged in the middle of the first cross bar 143, Therefore, when the vehicle frame is folded, only one hand is required to operate from unlocking to folding, that is to say, one-handed folding of the vehicle frame can be realized. The release operation mechanism 8 can be any feasible known technology, and it is not the key point of the present invention, so it will not be repeated here.

In this embodiment, the stroller is provided with two front wheels 2 and two rear wheels 3, and the two front wheels 2 are respectively arranged on the front feet 12 of the brackets 100 on both sides or the lower end of the second cross bar 121, The two rear wheels 3 are respectively arranged at the lower ends of the rear feet 13 of the two side supports 100 . Preferably, the distance between the two front wheels 2 is smaller than the distance between the two rear wheels 3, so that after the vehicle frame is folded, the two front wheels 2 are located between the two rear wheels 3, so that the volume is smaller after the collapse. Small.

In other embodiments, only one front wheel 2 may be provided, and the one front wheel 2 is arranged at the middle lower end of the second cross bar 121 .

second embodiment

As shown in Figures 9, 10, 11, and 12, in this embodiment, each side bracket 100 includes a seat tube 10', and the rear end of the seat tube 10' is pivotally connected to The second connecting rod 16 , the sixth pivot 7 ′ is located between the second pivot 5 and the third pivot 6 , and the front part of the seat tube 10 is relatively slidably connected to the driver's lower 142 . In this embodiment, preferably, each side bracket 100 further includes a sleeve 103', and a connecting portion 104' extends from one side of the sleeve 103', and the connecting portion 104' is fixedly connected to the driver Lower 142 , the seat tube 10 ′ passes through the sleeve 103 ′, so that the seat tube 10 ′ is relatively slidingly connected with the driver’s lower 142 . Therefore, when the frame is folded, the second connecting rod 16 rotates backward and downward to pull the seat tube 10 ′ to move backward guided by the sleeve 103 ′, until the seat tube 10 ′ is close to the rear foot 13 when the frame is finally folded.

Each side bracket 100 also includes a side armrest 20', the rear end of which is fixedly connected to the seat tube 10', and the connection point between the side armrest 20' and the seat tube 10' is located between the sleeve 103 and the sixth between the pivots 7'. Therefore, when the seat tube 10' moves backward and downward, the side armrest 20' also rotates backward and downward, and finally moves closer to other components of the vehicle frame.

In this embodiment, the support rods 200 are not provided before the fixing seats 11 of the brackets 100 on both sides; A cross bar 131 is connected between the lower parts.

Other technical features of this embodiment are the same as those of the first embodiment, so details will not be repeated here.

In the above-mentioned orientation description, where the front wheel 2 is located is the front, where the rear wheel 3 is located is the rear, where the rider 14 is located is the upper, where the front and rear wheels are located is the lower, and where the vehicle frames on both sides are located is the left and right.

Claims (10)

1. fold the stroller that the volume of timber is little, including have deployed condition and collapse state vehicle frame, be arranged at the bottom of vehicle frame before The front-wheel in portion, being arranged at the trailing wheel at rear portion at the bottom of vehicle frame, described vehicle frame is locked in the frame locking mechanism under deployed condition, it is special Levying and be: described vehicle frame includes interconnective left and right sides support, each side stand all includes fixing seat, the forward foot in a step, the rear foot, car Hands, first connecting rod, second connecting rod, described driver includes driver, and above and under driver, the first pivot is passed through in the upper end under described driver Being articulated on driver, lower par pivots is above described fixing seat, and described rear foot upper end is fixedly connected on the fixing seat back lower place, described Forward foot in a step rear portion is articulated in fixing seat front lower place, and described first connecting rod upper end is articulated in the lower end under driver, and lower end is articulated in the forward foot in a step Rear end, the lower end that described second connecting rod upper end is articulated on driver by the second pivot, the 3rd pivot is passed through in second connecting rod lower end Being articulated in the rear foot, described first pivot is positioned at above the second pivot.

The most according to claim 1 fold the stroller that the volume of timber is little, it is characterised in that: described each side stand also includes A connecting piece, the second connection sheet, described a connecting piece upper end is fixedly connected on lower end under driver, and mid portion is articulated in fixing Seat, lower end is articulated in first connecting rod upper end, and described second connects sheet front end is fixedly connected on forward foot in a step rear end, and mid portion is articulated in Fixing seat, rear end is articulated in first connecting rod lower end.

The most according to claim 2 fold the stroller that the volume of timber is little, it is characterised in that: described fixing seat includes that left and right is fixing Two fixed plates together, are formed with inner chamber, described a connecting piece lower end, the second connection sheet rear end between described two fixed plates And first connecting rod is positioned at described intracavity.

The most according to claim 3 fold the stroller that the volume of timber is little, it is characterised in that: described each side stand also includes phase First rotating seat and the second rotating seat, described first rotating seat and second rotating seat of pivot joint passes through the first pivot pivot joint, institute mutually Stating driver's upper and lower side and be fixedly connected on the first rotating seat upper end, under driver, upper end is fixedly connected on the second rotating seat lower end, described Second connecting rod upper end is articulated in described first rotating seat lower end by the second pivot.

The most according to claim 4 fold the stroller that the volume of timber is little, it is characterised in that: described frame locking mechanism is arranged at Driver is upper and under driver between.

6. according to folding, described in claim 1 or 2 or 3 or 4 or 5, the stroller that the volume of timber is little, it is characterised in that: described every side Support also includes seat pipe and side handrail, is articulated in second connecting rod by the 4th pivot on rear side of described seat pipe, and front side passes through the 5th Pivot and described side handrail pivot joint, described side handrail lower end is articulated in inside fixing seat, and described 4th pivot is positioned at the second pivot And between the 3rd pivot.

The most according to claim 6 fold the stroller that the volume of timber is little, it is characterised in that: described vehicle frame also includes a pole, Two ends, described pole left and right are respectively fixedly connected with the fixing seat in two side stands, and the side handrail lower end of described each side stand is all provided with Being equipped with sleeve, two side handrail lower ends are rotatably sheathed on two ends, pole left and right by described sleeve.

8. according to folding, described in claim 1 or 2 or 3 or 4 or 5, the stroller that the volume of timber is little, it is characterised in that: described every side Support all includes seat pipe, and described seat pipe rear end is articulated in second connecting rod by the 6th pivot, and described 6th pivot is positioned at the second pivot Between axle and the 3rd pivot, described seat pipe front portion is relative with under driver to be slidably connected.

The most according to claim 8 fold the stroller that the volume of timber is little, it is characterised in that: described each side stand also includes set Cylinder, described sleeve is extended with connecting portion from side, and described connecting portion is fixedly connected under driver, and described seat pipe passes sleeve, from And seat pipe is relative with under driver is slidably connected, described each side stand also includes side handrail, and described side handrail rear end is fixing to be connected In seat pipe, and the junction point of side handrail and seat pipe is between sleeve and the 6th pivot.

10. according to folding, described in claim 1 or 2 or 3 or 4 or 5 or 7 or 9, the stroller that the volume of timber is little, it is characterised in that: institute Stating the upper end on the driver of two side stands and be connected to the left and right of one first cross bar, the forward foot in a step lower end of described two side stands is respectively Being connected to the two ends, left and right of one second cross bar, the front end of the seat pipe of described two side stands is articulated in a left side for a U-shaped shank backrest respectively Right two ends.