CN212828854U

CN212828854U - Baby carriage

Info

Publication number: CN212828854U
Application number: CN202020807240.3U
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: 2021-03-30
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a baby carriage, which comprises a frame with unfolding and folding states, a plurality of front wheels, a plurality of rear wheel components and a saddle arranged on the frame, wherein the frame comprises a front support component and a main frame, the front support component comprises a steering rod, a handlebar rod fixedly connected with the upper end part of the steering rod, a front wheel component fixedly connected with the lower end part of the steering rod, a crank component and a pedal arranged on the crank component, the left end and the right end of the crank component are respectively connected with the lower end part of the front wheel component, and the lower end of the front wheel component is provided with a front wheel driven to rotate by the crank component; the main frame comprises a front connecting piece, a first connecting rod, a second connecting rod and a rear connecting piece, wherein the front connecting piece, the first connecting rod, the second connecting rod and the rear connecting piece are rotatably sleeved on the steering column, the front end part of the first connecting rod and the front end part of the second connecting rod are rotatably connected with the front connecting piece respectively, the rear end part of the first connecting rod and the rear end part of the second connecting rod are rotatably connected with the rear connecting piece respectively, the saddle is arranged on the first connecting rod, and the rear wheel assembly is arranged below the rear.

Description

Baby carriage

Technical Field

The utility model relates to a children's articles for use field, concretely relates to bassinet.

Background

The baby carriage in the prior art is various in types, different in the number of the rod pieces and different in the connecting positions among the rod pieces, so that the riding experience brought by the baby carriage is different, but a lot of baby carriages cannot be folded, and the baby carriage is not easy to carry and store.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art and providing an improved foldable baby carrier.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a baby carrier comprises a frame with unfolding and folding states, a plurality of front wheels arranged at the front part of the bottom of the frame, a plurality of rear wheel assemblies arranged at the rear part of the bottom of the frame, a saddle arranged on the frame and a locking device for locking the frame in the unfolding states, wherein the frame comprises a front support assembly and a main frame, the front support 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 states of the frame and pedals arranged on the crank assembly, the left end and the right end of the crank assembly are respectively connected with the lower end part of the front wheel assembly, and the lower end of the front wheel assembly is provided with front wheels driven by the crank assembly to rotate; the main frame is established including rotating the cover first connecting rod and second connecting rod, the back connecting piece that extend along the fore-and-aft direction respectively under the expansion state of frame, the preceding tip of first connecting rod with the preceding tip of second connecting rod respectively with preceding connecting piece rotates and is connected, the back tip of first connecting rod with the back tip of second connecting rod respectively with back connecting piece rotates and is connected, the saddle sets up on the first connecting rod, the rear wheel subassembly sets up the below of back connecting piece.

Further, the first link is positioned above the second link in the deployed state of the frame.

Furthermore, 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 part of the front wheel assembly is fixedly connected with the one-way bearings.

Furthermore, the front wheel assembly comprises a supporting rod fixedly connected with the lower end part of the direction rod and a U-shaped rod fixedly connected with the supporting rod, and two open end parts of the U-shaped rod are respectively and fixedly connected with the one-way bearing.

Furthermore, 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 the rear wheel joint is rotationally connected with the rear connecting piece.

Furthermore, the rotating axis of the rear wheel joint rotating relative to the rear connecting piece is inclined relative to the ground in the unfolding state of the frame.

Further, in the deployed state of the frame, the steering column is disposed obliquely with respect to the ground.

Furthermore, the first connecting rod comprises a first connecting rod body and a limiting block fixedly connected with the rear end part of the first connecting rod body, the front end part of the first connecting rod body is rotatably connected with the front connecting piece, the rear end part of the first connecting rod body is rotatably connected with the rear connecting piece, the limiting block is fixedly connected with the saddle, and when the frame is in the unfolding state, the limiting block abuts against the rear connecting piece to limit the rear connecting piece to further rotate upwards and anticlockwise relative to the first connecting rod body.

Further, when the frame is converted from the unfolding state to the folding 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 and behind the front wheel.

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

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a both ends are connected with the front wheel subassembly lower extreme respectively about the crank assembly of bassinet, and set up the main frame into folding four-bar linkage structure, and whole bassinet can also fold when satisfying children and ride, has made things convenient for the storage and has accomodate.

Drawings

FIG. 1 is a schematic perspective view of the stroller of the present invention in an unfolded state;

FIG. 2 is a side view of the stroller of the present invention in an unfolded state;

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

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

FIG. 5 is a top view of the stroller of the present invention in an unfolded state;

FIG. 6 is a schematic view of the stroller of the present invention during the transition from the unfolded state to the folded state;

fig. 7 is a side view of the stroller of the present invention in a folded configuration.

The reference numbers in the figures are:

1. a front wheel; 2. rear wheel, 2a, rear wheel joint; 3. a vehicle seat; 4a, a direction lever; 4b, a handlebar; 4c, a strut; 4d, a U-shaped rod; 5a, a crank; 5b, a one-way bearing; 5c, pedaling; 6a, a front connecting piece; 6b, a first link body; 6c, a second connecting rod; 6d, a rear connecting piece; 6e and a limiting block.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

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

In this embodiment, the number of the front wheels 1 is two, and the number of the rear wheel assemblies is two, specifically, the rear wheel assemblies are universal wheels, and each rear wheel assembly includes a rear wheel joint 2a and a rear wheel 2 rotatably connected to the rear wheel joint 2 a.

The frame comprises a front bracket component and a main frame.

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

Crank assembly includes crank 5a and sets up the one-way bearing 5b at both ends about crank 5a, the open both ends of U-shaped pole 4d respectively with one-way bearing 5b fixed connection, the lower extreme of front wheel subassembly is provided with and drives pivoted front wheel 1 by crank assembly, because one-way bearing 5 b's setting, make the front wheel 1 of turn inboard when turning have a differential with the front wheel 1 in the outside, the rear wheel 2 in the turn outside is because the effect of centrifugal force is outside and the perk that makes progress when turning, make the rear wheel 2 of the left and right sides produce the difference in height, thereby form the effect of bassinet drift, the driving experience of this bassinet has been enriched.

The main frame comprises a front connecting piece 6a which is rotatably sleeved on the direction rod, a first connecting rod body 6b and a second connecting rod 6c which respectively extend along the front and back directions in the unfolding state of the frame, a back connecting piece 6d and a limiting block 6e which is fixedly arranged on the back end part of the first connecting rod body 6b, the front end part of the first connecting rod body 6b and the front end part of the second connecting rod 6c are respectively and rotatably connected with the front connecting piece 6a, the first connecting rod body 6b is positioned above the second connecting rod 6c in the unfolding state of the frame, the back end part of the first connecting rod body 6b and the back end part of the second connecting rod 6c are respectively and rotatably connected with the back connecting piece 6d, the first connecting rod body 6b, the front connecting piece 6a, the second connecting rod 6c and the back connecting piece 6d are sequentially and rotatably connected to form a four-bar structure, the saddle 3 is fixedly connected with the limiting block 6e, when the, the stopper 6e offsets with the rear connector 6d to thereby restrict the rear connector 6d from further rotating counterclockwise upward relative to the first link body 6b, and the rear wheel assembly is disposed below the rear connector 6d, specifically, the rear wheel joint 2a in the rear wheel assembly is rotatably connected with the rear connector 6 d.

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

Folding principle:

as shown in fig. 1-2 and 5, to illustrate the stroller in the unfolded state in this embodiment, as shown in fig. 6, when the frame is converted from the unfolded state to the folded state, the locking device is first unlocked, in this embodiment, the locking device may be configured to lock the front connecting member 6a and the first link body 6b relatively, or lock the front connecting member 6a and the second link 6c relatively, or lock the rear connecting member 6d and the first link body 6b relatively, or lock the rear connecting member 6d and the second link body 6c relatively, then rotate the first link body 6b and the second link 6c counterclockwise upward relative to the front connecting member 6a, respectively, and the rear connecting member 6d rotates clockwise relative to the first link body 6b and the second link body 6c, so as to drive the rear wheel assembly to be located above and behind the front wheel 1, as shown in fig. 7 finally, in the unfolded state of the frame, the front wheel 1 is supported on the ground, and the main frame is folded between the front wheel 1 and the rear wheel 2.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A stroller comprising a frame having an expanded state and a collapsed state, a plurality of front wheels disposed at a front portion of the frame bottom, a plurality of rear wheel assemblies disposed at a rear portion of the frame bottom, a seat disposed on the frame, and a locking device for locking the frame in the expanded state, the frame comprising a front frame assembly, a main frame, characterized in that:

the front support assembly comprises a steering rod, a handlebar rod fixedly connected with the upper end of the steering rod, a front wheel assembly fixedly connected with the lower end of the steering rod, a crank assembly extending in the left-right direction in the unfolded state of the frame, and pedals arranged on the crank assembly, wherein the left end and the right end of the crank assembly are respectively connected with the lower end of the front wheel assembly, and the lower end of the front wheel assembly is provided with a front wheel driven by the crank assembly to rotate;

the main frame is established including rotating the cover first connecting rod and second connecting rod, the back connecting piece that extend along the fore-and-aft direction respectively under the expansion state of frame, the preceding tip of first connecting rod with the preceding tip of second connecting rod respectively with preceding connecting piece rotates and is connected, the back tip of first connecting rod with the back tip of second connecting rod respectively with back connecting piece rotates and is connected, the saddle sets up on the first connecting rod, the rear wheel subassembly sets up the below of back connecting piece.

2. A stroller according to claim 1, wherein: the first link is positioned above the second link in the deployed state of the frame.

3. A stroller according to claim 1, wherein: 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 part of the front wheel assembly is fixedly connected with the one-way bearings.

4. A stroller according to claim 3, wherein: the front wheel assembly comprises a supporting rod fixedly connected with the lower end part of the direction rod and a U-shaped rod fixedly connected with the supporting rod, and two open end parts of the U-shaped rod are fixedly connected with the one-way bearing respectively.

5. A stroller according to claim 1, wherein: 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 the rear wheel joint is rotationally connected with the rear connecting piece.

6. A stroller according to claim 5, wherein: and the rotating axis of the rear wheel joint rotating relative to the rear connecting piece is obliquely arranged relative to the ground in the unfolded state of the frame.

7. A stroller according to claim 1, wherein: in the unfolded state of the frame, the steering column is arranged obliquely relative to the ground.

8. A stroller according to claim 1, wherein: the first connecting rod comprises a first connecting rod body and a limiting block fixedly connected with the rear end part of the first connecting rod body, the front end part of the first connecting rod body is rotatably connected with the front connecting piece, the rear end part of the first connecting rod body is rotatably connected with the rear connecting piece, the limiting block is fixedly connected with the saddle, and when the frame is in the unfolding state, the limiting block abuts against the rear connecting piece to limit the rear connecting piece to further rotate upwards and anticlockwise relative to the first connecting rod body.

9. A stroller according to claim 1, wherein: when the frame by the expansion state to fold condition conversion, first connecting rod with the second connecting rod is relative respectively preceding connecting piece anticlockwise rotates that makes progress, the back connecting piece is relative first connecting rod with the second connecting rod clockwise rotates downwards, drives the rear wheel subassembly is drawn in the back upper place of front wheel.

10. A stroller according to claim 1, wherein: the number of the front wheels is two, and the number of the rear wheel assemblies is also two.