CN211391560U

CN211391560U - Wheel assembly of baby carriage and baby carriage

Info

Publication number: CN211391560U
Application number: CN201921969765.0U
Authority: CN
Inventors: 蔡辉; 刘鹏; 丁连雷
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-01
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a wheel subassembly and buggy of buggy, the wheel subassembly includes the front fork that can set up with rotating around the axial lead and sets up the runner on the front fork with rotating through the pivot, the axial lead extends along upper and lower direction, the pivot extends along left right direction, the runner can set up with sliding relatively the front fork, the runner has first user state and second user state, when the runner is in first user state, the central axis of axial lead or its extension line and pivot is crossing, when the runner is in the second user state, non-intersect between the central axis of axial lead and extension line and pivot, the interval sets up between the two. The runner of this wheel subassembly has directional wheel and universal wheel user state, and when the runner turned to at the perambulator under the universal wheel user state, this perambulator was marchd and when needing to turn to through the adult, the runner can freely be rotated left or right to it is more laborsaving to make this perambulator turn to, turns to more easily, makes the use of perambulator more convenient.

Description

Wheel assembly of baby carriage and baby carriage

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to wheel components and perambulator of perambulator.

Background

A child vehicle, such as a child tricycle, generally includes a frame, a wheel assembly disposed at the bottom of the frame, a driving mechanism and a steering mechanism, the child tricycle drives the wheel assembly to rotate through the driving mechanism so as to enable the child tricycle to move forward or backward, the steering mechanism controls the child tricycle to turn left or right, and the steering mechanism includes a direction control lever rotatably disposed on the frame. In the prior art, the wheel assembly of the child tricycle only has the use state of the directional wheel generally, and when the child tricycle is pushed by an adult to turn at the rear, the use of the child tricycle is inconvenient due to the fact that the child tricycle is hard.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a modified wheel subassembly of perambulator.

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

the utility model provides a wheel subassembly of perambulator, includes the front fork that can set up with rotating around the axial lead and sets up with rotating through the pivot runner on the front fork, the axial lead extends along upper and lower direction, the pivot extends along left right direction, the runner can be relative the front fork sets up with sliding, the runner has first user state and second user state, works as when the runner is in first user state, axial lead or its extension line with the central axis of pivot is crossing, works as when the runner is in the second user state, axial lead and extension line with all intersect between the central axis of pivot, the interval sets up between the two.

Preferably, the front fork includes a connecting rod and a fixed wheel fixedly arranged on the connecting rod, the central axis of the fixed wheel intersects with the axis or the extension line thereof, the rotating wheel is rotatably and slidably arranged on the fixed wheel, when the rotating wheel is in a first use state, the central axis of the fixed wheel is collinear with the central axis of the rotating shaft, and when the rotating wheel is in a second use state, the central axis of the fixed wheel and the central axis of the rotating shaft are arranged at intervals.

Preferably, the front fork is provided with a long groove, the rotating wheel is provided with a cylinder matched with the long groove, the long groove extends along the front and rear direction of the baby carriage, and the cylinder is rotatably arranged in the long groove and can be slidably arranged along the length extending direction of the long groove.

Preferably, the wheel assembly further includes a fixing structure for fixing the rotating wheel in the first and second use states, the fixing structure includes a fixing member cooperating with the rotating wheel to define a position of the rotating wheel, the fixing member is slidably disposed on the front fork, the fixing structure further includes an elastic member for driving the fixing member to cooperate with the rotating wheel, one end of the elastic member abuts against the fixing member, and the other end of the elastic member abuts against the front fork.

Furthermore, an elongated slot is formed in the front fork, a cylinder matched with the elongated slot is arranged on the rotating wheel, the cylinder can be rotatably and slidably arranged in the elongated slot, the fixing part partially extends into the elongated slot, and the extending part abuts against the cylinder.

Furthermore, the fixing piece is provided with a matching part with two opposite sides, when the rotating wheel is in a first use state, one side of the matching part is abutted against the rotating wheel, and when the rotating wheel is in a second use state, the other side of the matching part is abutted against the rotating wheel.

Furthermore, both sides of the matching part are inclined planes, and the two inclined planes are symmetrically arranged.

Preferably, the rotating wheels comprise a first rotating wheel and a second rotating wheel fixedly connected with the first rotating wheel, the first rotating wheel and the second rotating wheel are coaxially arranged and have the same diameter, and the first rotating wheel and the second rotating wheel are respectively located on two opposite sides of the front fork.

The utility model also provides a child's bike, child's bike have as above-mentioned arbitrary wheel assembly.

Preferably, the child's vehicle is a child's tricycle, and the wheel assemblies further comprise footrest assemblies rotatably disposed on opposite sides of the wheel, the footrest assemblies having open and collapsed states.

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 wheel subassembly of perambulator simple structure, runner can relative front fork rotate and slide to make the runner have directional wheel user state and universal wheel user state, under the universal wheel user state, this perambulator is marchd and when needing to turn to through the adult, the runner can freely rotate left or right, thereby more laborsaving when making this perambulator turn to, turn to more easily, make the use of perambulator more convenient.

Drawings

FIG. 1 is a schematic structural view of a wheel assembly of a child's vehicle according to the present invention;

FIG. 2 is one of the cross-sectional views of the wheel assembly of the child's vehicle of the present invention;

FIG. 3 is a second cross-sectional view of the wheel assembly of the child's vehicle of the present invention;

FIG. 4 is a schematic structural view of the front fork of the present invention;

FIG. 5 is a schematic structural diagram of a first runner of the present invention;

FIG. 6 is a schematic structural view of a second runner of the present invention;

FIG. 7 is a schematic structural view (enlarged view) of the slider of the present invention;

FIG. 8 is a front elevational view of the child's vehicle of the present invention (with the runner in a first use condition);

FIG. 9 is a top view of the child's vehicle of the present invention (with the runner in a first use position);

FIG. 10 is a side view of the child's vehicle of the present invention (with the wheels in a second use position);

fig. 11 is a side view of the child's vehicle of the present invention (with the wheels in a second use configuration, with the second wheel and the foot pedal assembly attached thereto removed).

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 figures 1-3, the wheel assembly of the child's bike of the present invention includes a front fork 1 and a wheel. The front fork 1 is rotatably provided around an axis 31, and the wheel is rotatably provided on the front fork 1 via a shaft 32, and the wheel is also slidable relative to the front fork 1. The shaft axis 31 extends in the vertical direction, and the rotation shaft 32 extends in the horizontal direction.

As shown in fig. 4, the front fork 1 includes a connecting rod 11 and a fixed wheel 12, the connecting rod 11 extends in the up-down direction, the central axis of the connecting rod 11 is collinear with the axis 31, the fixed wheel 12 is disc-shaped and is fixedly disposed at the lower end of the connecting rod 11, the diameter of the fixed wheel 12 is smaller than that of the runner, and the central axis of the fixed wheel 12 intersects with the axis 31 or the extension line thereof.

The fixed wheel 12 is provided with a long groove 121, the rotating wheel is provided with a cylinder 211 matched with the long groove 121, the long groove 121 extends along the front-back direction of the baby carriage, and the cylinder 211 can be rotatably arranged in the long groove 121 and can be arranged in a sliding manner along the length extending direction of the long groove 121.

The rotating wheels are rotatably connected with the fixed wheel 12 through a rotating shaft 32, specifically, as shown in fig. 1, fig. 2, fig. 5 and fig. 6, the rotating wheels include a first rotating wheel 21 and a second rotating wheel 22 which are fixedly connected, the first rotating wheel 21 and the second rotating wheel 22 are coaxially arranged and have the same diameter, the central axes of the first rotating wheel 21 and the second rotating wheel 22 are the central axes of the rotating shaft 32, and the first rotating wheel 21 and the second rotating wheel 22 are respectively located at two opposite sides of the fixed wheel 12.

The cylinder 211 is provided on the first rotor 21, and a protrusion 22a is provided on one of the two parts of the cylinder 211 and the second rotor 22, and a recess 211a is provided on the other part to match with the protrusion 22a, and the protrusion 22a is engaged in the recess 211a, so that the first rotor 21 and the second rotor 22 are fixedly connected together without relative movement.

The runner has a first use state and a second use state through the sliding of the runner relative to the fixed wheel 12, when the runner is in the first use state, the central axis of the runner, namely the central axis of the rotating shaft 32, is collinear with the central axis of the fixed wheel 12, namely the axis 31 or the extension line thereof intersects with the central axis of the rotating shaft 32. In this state, the turning wheel is in the use state of the directional wheel. When the rotating wheel slides a set distance relative to the fixed wheel 12 in the first use state, the rotating wheel is in the second use state, and in the second use state, the central axis of the rotating wheel, i.e., the central axis of the rotating shaft 32, is not collinear with the central axis of the fixed wheel 12, and the central axis of the rotating wheel and the central axis of the rotating shaft 32 are arranged at a distance, i.e., the central axis 31 and the extension line thereof are not intersected with each other, and the central axis of the rotating shaft 32 and the central axis thereof are arranged at. In this state, the turning wheel is in a universal wheel use state.

In this embodiment, when the wheel is in the first use state and the second use state, the cylinder 211 is respectively located at two ends of the long groove 121 in the long groove 121.

The wheel assembly further comprises a fixing structure for fixing the rotating wheel in the first and second use states, as shown in fig. 2 and 3, the fixing structure comprises a fixing member 41 cooperating with the rotating wheel to define the position of the rotating wheel, the fixing member 41 is slidably disposed on the fixed wheel 12, the fixing structure further comprises an elastic member 42 for driving the fixing member 41 to be in the cooperating state with the rotating wheel, one end of the elastic member 42 abuts against the fixing member 41, and the other end of the elastic member 42 abuts against the fixed wheel 12. In this embodiment, the elastic member 42 is a spring.

Specifically, the fixed wheel 12 is provided with an accommodating cavity 122 for accommodating the fixing member 41, the accommodating cavity 122 is communicated with the long groove 121, the fixing member 41 is located in the accommodating cavity 122 and partially extends into the long groove 121, and the part of the fixing member 41 extending into the long groove 121 abuts against the cylinder 211 to limit the cylinder 211 between one end of the long groove 121 and the fixing member 41, so that the rotating wheel is fixed in the first use state and the second use state. In this embodiment, the fixing structures are symmetrically disposed on two opposite sides of the long slot 121 in the width direction.

In this embodiment, as shown in fig. 7, the fixing member 41 is provided with an engaging portion 411 having two opposite sides, when the wheel is in the first use state, one side of the engaging portion 411 abuts against the column 211, and when the wheel is in the second use state, the other side of the engaging portion 411 abuts against the column 211. Both sides of the fitting portion 411 are inclined planes, and the two inclined planes are symmetrically arranged.

The wheel assembly can be arranged on a child vehicle such as a child tricycle, and comprises a frame 101 and a direction control rod 102 which can be rotatably arranged on the frame 101 around the axis of the direction control rod 102, wherein the axis of the direction control rod 102 is the axis 31, and the connecting rod 11 is fixedly connected with the direction control rod 102.

When the child stroller is a child tricycle, the wheel assembly is a front wheel assembly of the child tricycle, and the wheel assembly further comprises a pedal assembly for being stepped on by the foot of the child, and the pedal assembly is respectively arranged on the first rotating wheel 21 and the second rotating wheel 22. The pedal assembly includes a connecting shaft 51 connected to the first/second rotating wheels 21/22 and a pedal 52 rotatably disposed on the connecting shaft 51, and the connecting shaft 51 is also rotatable with respect to the first/second rotating wheels 21/22, so that the pedal assembly can be opened or folded to be close to the first/second rotating wheels 21/22. When the pedal assembly is opened, the connecting shaft 51 extends in the horizontal direction, and when the pedal assembly is folded, the connecting shaft 51 extends in the vertical direction.

When the wheel of the tricycle is limited to travel in the first use state, one side of the matching part 411 is abutted against the column 211, and the column 211 is abutted against the rear end part of the long groove 121 at the same time, as shown in fig. 3, 8 and 9. At this time, the child can control the traveling direction of the child tricycle by himself/herself through the direction control lever 102. When the first pulley 21 and the second pulley 22 are pushed forward, the first pulley 21 and the second pulley 22 slide forward relative to the fixed pulley 12 after overcoming the elastic force of the elastic member 42 until the cylinder 211 abuts against the front end of the elongated slot 121, and after canceling the external force action on the first pulley 21 and the second pulley 22, the fixed member 41 slides relative to the fixed pulley 12 under the elastic force action of the elastic member 42, so that the other side of the matching portion 411 abuts against the cylinder 211, thereby fixing the pulleys in the second use state, as shown in fig. 10 and 11. In this state, the turning wheel is in a universal wheel use state. At this moment, this children's tricycle can advance through adult's propulsion, when needs turn to, because the runner is in the universal wheel user state, first runner 21 and second runner 22 can freely rotate left or right to it is more laborsaving to make this children's tricycle turn to the time, turns to more easily, makes children's tricycle's use more convenient.

The wheel assembly can be used on a child tricycle and a child stroller, and when the direction of the child stroller needs to be changed in the pushing process, the rotating wheel can be switched between the first using state and the second using state, so that the child stroller is convenient to push.

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. The utility model provides a wheel subassembly of perambulator, includes can set up around the axial lead with rotating through the pivot with rotating the ground the runner on the front fork, the axial lead extends along upper and lower direction, the pivot extends its characterized in that along left right direction: the rotating wheel can be arranged in a sliding mode relative to the front fork, the rotating wheel has a first using state and a second using state, when the rotating wheel is in the first using state, the axis or the extension line of the axis is intersected with the central axis of the rotating shaft, when the rotating wheel is in the second using state, the axis and the extension line of the axis are not intersected with the central axis of the rotating shaft, and the axis and the extension line of the axis are arranged at intervals.

2. The wheel assembly for a child's vehicle of claim 1, wherein: the front fork includes the connecting rod and fixes the setting and is in tight pulley on the connecting rod, the central axis of tight pulley with axis or its extension line are crossing, the runner can rotate and set up with sliding on the tight pulley, works as when the runner is in first user state, the central axis of tight pulley with the central axis collineation of pivot, works as when the runner is in the second user state, the central axis of tight pulley with the interval sets up between the central axis of pivot.

3. The wheel assembly for a child's vehicle of claim 1, wherein: the baby carriage comprises a front fork, a rotating wheel and a baby carriage body, wherein the front fork is provided with a long groove, the rotating wheel is provided with a cylinder matched with the long groove, the long groove extends along the front and rear direction of the baby carriage, and the cylinder can be rotatably arranged in the long groove and can be arranged in a sliding manner along the length extending direction of the long groove.

4. The wheel assembly for a child's vehicle of claim 1, wherein: the wheel subassembly still includes and is used for with the runner is fixed the fixed knot under first user state and the second user state constructs, fixed knot constructs including with the runner cooperatees in order to inject the mounting in the position of runner, the mounting can set up with sliding on the front fork, fixed knot constructs still including being used for ordering about the mounting with runner matched with elastic component, one end butt of elastic component is established on the mounting, another tip butt of elastic component is established on the front fork.

5. The wheel assembly for a child's vehicle of claim 4, wherein: the front fork is provided with a long groove, the rotating wheel is provided with a cylinder matched with the long groove, the cylinder can be rotatably and slidably arranged in the long groove, the fixing part partially extends into the long groove, and the extending part is abutted to the cylinder.

6. The wheel assembly for a child's vehicle of claim 4, wherein: the fixing piece is provided with a matching part with two opposite sides, when the rotating wheel is in a first use state, one side of the matching part is abutted to the rotating wheel, and when the rotating wheel is in a second use state, the other side of the matching part is abutted to the rotating wheel.

7. The wheel assembly for a child's vehicle of claim 6, wherein: both sides of the matching part are inclined planes, and the two inclined planes are symmetrically arranged.

8. The wheel assembly for a child's vehicle of claim 1, wherein: the rotating wheels comprise a first rotating wheel and a second rotating wheel fixedly connected with the first rotating wheel, the first rotating wheel and the second rotating wheel are coaxially arranged and have the same diameter, and the first rotating wheel and the second rotating wheel are respectively positioned on two opposite sides of the front fork.

9. A child's vehicle, characterized in that: a wheel assembly as claimed in any one of claims 1 to 8.

10. The child's vehicle of claim 9, wherein: the child's tricycle is characterized in that the child's tricycle is adopted as the child's tricycle, the wheel assemblies further comprise pedal assemblies which can be rotatably arranged on two opposite sides of the rotating wheel, and the pedal assemblies are in an opening state and a folding state.