CN111591381B

CN111591381B - Baby carrier

Info

Publication number: CN111591381B
Application number: CN202010411066.5A
Authority: CN
Inventors: 蔡辉; 朱铁文
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2024-11-29
Anticipated expiration: 2040-05-15
Also published as: CN111591381A

Abstract

The invention discloses a baby carriage, comprising a frame with unfolding and folding states, a plurality of front wheels, a plurality of rear wheel assemblies, and a seat arranged on the frame, wherein the frame comprises a front bracket assembly and a main frame, wherein the front bracket assembly comprises a steering rod, a handlebar rod fixedly connected to the upper end of the steering rod, a front wheel assembly fixedly connected to the lower end of the steering rod, a crank assembly, and a pedal mounted on the crank assembly, wherein the left and right ends of the crank assembly are respectively connected to the lower end of the front wheel assembly, and the lower end of the front wheel assembly is provided with a front wheel driven to rotate by the crank assembly; the main frame comprises a front connecting member rotatably sleeved on the steering rod, a first connecting rod, a second connecting rod, and a rear connecting member, wherein the front end of the first connecting rod and the front end of the second connecting rod are respectively rotatably connected to the front connecting member, and the rear end of the first connecting rod and the rear end of the second connecting rod are respectively rotatably connected to the rear connecting member, the seat is arranged on the first connecting rod, and the rear wheel assembly is arranged below the rear connecting member.

Description

Baby carrier

Technical Field

The invention relates to the field of children supplies, in particular to a baby carrier.

Background

The bassinet in the prior art is various, and the member number is different, and the hookup location is different between each member to lead to bringing riding experience also different, but many bassinets can not fold, lead to its be difficult to carry and deposit.

Disclosure of Invention

The object of the present invention is to overcome the drawbacks of the prior art by providing an improved foldable stroller.

The technical scheme includes that the baby carrier comprises a frame with an unfolding state and a folding state, a plurality of front wheels arranged at the front part of the frame bottom, a plurality of rear wheel assemblies arranged at the rear part of the frame bottom, a saddle arranged on the frame, and a locking device for locking the frame in the unfolding state, wherein the frame comprises a front bracket assembly and a main frame, the front bracket assembly comprises a direction rod, a handlebar rod fixedly connected with the upper end part of the direction rod, a front wheel assembly fixedly connected with the lower end part of the direction rod, a crank assembly extending in the left-right direction in the unfolding state of the frame, pedals arranged on the crank assembly, the left end and the right end of the crank assembly are respectively connected with the lower end parts of the front wheel assemblies, the lower end parts of the front wheel assemblies are provided with front wheels driven to rotate by the crank assembly, the main frame comprises a front connecting piece rotationally sleeved on the direction rod, a first connecting piece and a second connecting piece respectively extending in the front-rear direction in the unfolding state of the frame, a second connecting piece respectively connected with the front end part and the rear end part of the frame, the first connecting piece and the rear connecting piece are respectively connected with the front end part of the first connecting piece and the rear connecting piece, and the second connecting piece are respectively arranged at the front end part and the rear end part of the first connecting piece respectively.

Further, the first link is located above the second link in the unfolded state of the frame.

Further, the crank assembly comprises a crank and one-way bearings arranged at the left end and the right end of the crank, and the lower end of the front wheel assembly is fixedly connected with the one-way bearings.

Further, the front wheel assembly comprises a supporting rod fixedly connected with the lower end part of the steering rod and a U-shaped rod fixedly connected with the supporting rod, and two open end parts of the U-shaped rod are respectively fixedly connected with the unidirectional bearing.

Further, the rear wheel assembly is a universal wheel, and comprises a rear wheel joint, a rear wheel rotationally connected with the rear wheel joint, and a rear wheel joint rotationally connected with the rear connecting piece.

Further, in the unfolded state of the frame, the rear wheel joint is obliquely arranged relative to the ground with respect to the axis of rotation of the rear connecting piece.

Further, in the unfolded state of the frame, the steering rod is obliquely arranged relative to the ground.

Further, the first link includes the first link body and with the stopper of the rear end fixed connection of first link body, the front end of first link body with preceding connecting piece rotates to be connected, the rear end of first link body with back connecting piece rotates to be connected, the stopper with saddle fixed connection, when the frame is in the expansion state, the stopper with thereby back connecting piece offsets to restrict back connecting piece is relative the further anticlockwise rotation of first link body upwards.

Further, when the frame is converted from the unfolded state to the folded state, the first connecting rod and the second connecting rod respectively rotate upwards and anticlockwise relative to the front connecting piece, and the rear connecting piece rotates downwards and clockwise relative to the first connecting rod and the second connecting rod to drive the rear wheel assembly to be folded above the rear of the front wheel.

Further, the number of the front wheels is two, and the number of the rear wheel assemblies is also two.

Due to the application of the technical scheme, compared with the prior art, the baby carrier has the advantages that the left end and the right end of the crank component of the baby carrier are respectively connected with the lower end of the front wheel component, the main frame is of a foldable four-bar structure, and the whole baby carrier can be folded while riding for children, so that storage and accommodation are facilitated.

Drawings

FIG. 1 is a perspective view of a stroller in accordance with the present invention in a frame-extended condition;

FIG. 2 is a side view of the stroller of the present invention in a frame-extended condition;

FIG. 3 is an exploded view of the front frame and front wheel portion of the stroller of the present invention;

FIG. 4 is an exploded view of the main frame and rear wheel assembly portions of the stroller of the present invention;

FIG. 5 is a top view of the stroller of the present invention in a frame expanded condition;

FIG. 6 is a schematic view of the stroller of the present invention in a frame unfolded state to a folded state;

Fig. 7 is a side view of the stroller of the present invention in a folded frame condition.

The reference numerals in the figures are:

1. Front wheel, rear wheel, 2a, rear wheel joint, 3, saddle, 4a, steering rod, 4b, handle bar, 4c, strut, 4d, U-shaped bar, 5a, crank, 5b, unidirectional bearing, 5c, pedal, 6a, front connector, 6b, first connecting rod body, 6c, second connecting rod, 6d, rear connector, 6e, limited block.

Detailed Description

The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.

As shown in fig. 1 to 7, the stroller in this embodiment includes a frame having an unfolded and folded state, a plurality of front wheels 1 provided at the front of the bottom of the frame, a plurality of rear wheel assemblies provided at the rear of the bottom of the frame, a seat 3 provided on the frame, and a locking device (not shown in the drawings) locking the frame in the unfolded state.

In this embodiment, there are two front wheels 1 and two rear wheel assemblies, specifically, the rear wheel assemblies are universal wheels, and the rear wheel assemblies include a rear wheel joint 2a and a rear wheel 2 rotatably connected with the rear wheel joint 2a.

The frame includes front bracket assembly and main frame.

The front bracket component comprises a steering rod 4a, a handlebar rod 4b fixedly connected with the upper end part of the steering rod 4a, a front wheel component fixedly connected with the lower end part of the steering rod 4a, a crank component extending in the left-right direction in the unfolded state of the frame, and pedals 5c arranged on the crank component, wherein the front wheel component specifically comprises a supporting rod 4c fixedly connected with the lower end part of the steering rod 4a and a U-shaped rod 4d fixedly connected with the supporting rod 4 c.

The crank assembly comprises a crank 5a and one-way bearings 5b arranged at the left end and the right end of the crank 5a, the two ends of the U-shaped rod 4d which are opened are respectively fixedly connected with the one-way bearings 5b, the lower end of the front wheel assembly is provided with a front wheel 1 driven by the crank assembly to rotate, due to the arrangement of the one-way bearings 5b, the front wheel 1 at the inner side of a turn and the front wheel 1 at the outer side of the turn have a differential speed, the rear wheel 2 at the outer side of the turn is tilted outwards and upwards due to the action of centrifugal force during the turn, so that the height difference is generated by the rear wheels 2 at the left side and the right side of the turn, the effect of bassinet drifting is formed, and the driving experience of the bassinet is enriched.

The main frame comprises a front connecting piece 6a rotatably sleeved on a steering rod, a first connecting piece 6b, a second connecting piece 6c, a rear connecting piece 6d and a limiting block 6e fixedly arranged on the rear end part of the first connecting piece 6b, wherein the first connecting piece 6b and the second connecting piece 6c are respectively extended in the front-rear direction under the unfolding state of the frame, the front end part of the first connecting piece 6b and the front end part of the second connecting piece 6c are respectively rotatably connected with the front connecting piece 6a, the rear end part of the first connecting piece 6b and the rear end part of the second connecting piece 6c are respectively rotatably connected with the rear connecting piece 6d under the unfolding state of the frame, the first connecting piece 6b, the front connecting piece 6a, the second connecting piece 6c and the rear connecting piece 6d are sequentially rotatably connected to form a four-connecting-rod structure, the saddle 3 and the limiting block 6e are fixedly connected, and when the frame is in the unfolding state, the limiting block 6e abuts against the rear connecting piece 6d, so that the rear connecting piece 6d is limited to rotate further anticlockwise relative to the first connecting piece 6b, the rear connecting piece 6b is arranged above the second connecting piece 6c, the rear connecting piece 6b, the rear connecting piece is arranged below the rear connecting piece 6c, and the rear connecting piece is rotatably connected with the rear wheel assembly 2.

In this embodiment, in the unfolded state of the frame, the steering rod 4a is inclined with respect to the ground, the rear wheel joint 2a is inclined with respect to the ground with respect to the rotational axis of the rear connecting member 6d, both are inclined with respect to the ground, the main frame rotates with respect to the steering rod 4a and can be automatically aligned in the turning process, and the rear wheel 2 can also be automatically aligned with respect to the main frame, so that the stroller can be automatically aligned with the main frame and the rear wheel assembly after turning, thereby being consistent with the traveling direction of the front wheel 1.

Folding principle:

As shown in fig. 1-2 and 5, when the stroller in the unfolded state is converted from the unfolded state to the folded state, as shown in fig. 6, the locking device is first unlocked, in this embodiment, the locking device may be configured to lock the front connecting piece 6a and the first connecting rod body 6b relatively, lock the front connecting piece 6a and the second connecting rod 6c relatively, lock the rear connecting piece 6d and the first connecting rod body 6b relatively, lock the rear connecting piece 6d and the second connecting rod 6c relatively, then rotate the first connecting rod body 6b and the second connecting rod 6c upwards and anticlockwise respectively relative to the front connecting piece 6a, rotate the rear connecting piece 6d downwards and clockwise relative to the first connecting rod body 6b and the second connecting rod 6c, so as to drive the rear wheel assembly to fold over the front wheel 1, finally, as shown in fig. 7, support the front wheel 1 on the ground, and fold the main frame between the front wheel 1 and the rear wheel 2 in the unfolded state of the stroller.

The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. A baby carriage, comprising a frame having an unfolded and folded state, a plurality of front wheels arranged at the front bottom of the frame, a plurality of rear wheel assemblies arranged at the rear bottom of the frame, a seat arranged on the frame, and a locking device for locking the frame in the unfolded state, the frame comprising a front support assembly and a main frame, characterized in that:

The front frame assembly includes a steering rod, a handlebar rod fixedly connected to the upper end of the steering rod, a front wheel assembly fixedly connected to the lower end of the steering rod, a crank assembly extending in the left and right directions when the frame is unfolded, and pedals installed on the crank assembly, the left and right ends of the crank assembly are respectively connected to the lower end of the front wheel assembly, and the lower end of the front wheel assembly is provided with a front wheel driven to rotate by the crank assembly;

The main frame includes a front connecting member rotatably sleeved on the direction rod, a first connecting rod and a second connecting rod respectively extending in the front-to-back direction in the unfolded state of the frame, and a rear connecting member, the front end of the first connecting rod and the front end of the second connecting rod are respectively rotatably connected to the front connecting member, the rear end of the first connecting rod and the rear end of the second connecting rod are respectively rotatably connected to the rear connecting member, the seat is arranged on the first connecting rod, and the rear wheel assembly is arranged below the rear connecting member;

The first link comprises a first link body and a limit block fixedly connected to the rear end of the first link body, the front end of the first link body is rotatably connected to the front connecting member, the rear end of the first link body is rotatably connected to the rear connecting member, the limit block is fixedly connected to the vehicle seat, and when the vehicle frame is in the unfolded state, the limit block abuts against the rear connecting member to limit the rear connecting member from further rotating upward counterclockwise relative to the first link body;

When the frame is converted from the unfolded state to the folded state, the first connecting rod and the second connecting rod respectively rotate counterclockwise upward relative to the front connecting member, and the rear connecting member rotates clockwise downward relative to the first connecting rod and the second connecting rod, driving the rear wheel assembly to be folded above and behind the front wheel.

2 . The baby carriage according to claim 1 , wherein the first connecting rod is located above the second connecting rod when the frame is in the unfolded state. 3 .

3. The baby carriage according to claim 1, characterized in that: the crank assembly comprises a crank and a one-way bearing arranged at the left and right ends of the crank, and the lower end of the front wheel assembly is fixedly connected to the one-way bearing.

4. The baby carriage according to claim 3 is characterized in that: the front wheel assembly includes a support rod fixedly connected to the lower end of the direction rod, a U-shaped rod fixedly connected to the support rod, and the two open ends of the U-shaped rod are respectively fixedly connected to the one-way bearing.

5. The baby carriage according to claim 1, characterized in that: the rear wheel assembly is a universal wheel, the rear wheel assembly comprises a rear wheel joint, a rear wheel rotatably connected to the rear wheel joint, and the rear wheel joint is rotatably connected to the rear connecting member.

6. The baby carriage according to claim 5, characterized in that: when the frame is in the unfolded state, the rotation axis of the rear wheel joint relative to the rear connecting member is arranged to be inclined relative to the ground.

7. The baby carriage according to claim 1, characterized in that when the frame is in the unfolded state, the direction rod is inclined relative to the ground.

8. The baby carriage according to claim 1, characterized in that: the number of the front wheels is two, and the number of the rear wheel assemblies is also two.