CN215944675U

CN215944675U - Backrest adjusting mechanism of baby tricycle

Info

Publication number: CN215944675U
Application number: CN202122271044.6U
Authority: CN
Inventors: 赵龙; 陈进文
Original assignee: Fujian Bestway Baby Products Co ltd
Current assignee: Fujian Bestway Baby Products Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-04
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to a backrest adjusting mechanism of a baby tricycle, which comprises a tricycle body and a rotatable seat arranged on the tricycle body, wherein one end of the rotatable seat is provided with a backrest rod, the rear side of the backrest rod is provided with a backrest with the lower end vertically hinged with the rotatable seat, a swinging driving assembly is arranged between the upper end of the backrest and the backrest rod and comprises two adjusting belts arranged on the left side and the right side of the backrest, the front ends of the two adjusting belts are respectively fixedly connected with the backrest rod, and the rear ends of the two adjusting belts are wound on the rear side of the backrest and connected with an adjusting buckle. When the backrest is used, the length of the adjusting belt extending to the back side of the backrest is adjusted through the adjusting buckle, the adjusting buckle can be abutted against the back side face of the backrest, the distance between the upper end of the backrest and the backrest rod is adjusted, the backrest rotates up and down around the rotatable seat at the moment, the angle of the backrest of the seat can be quickly adjusted, when the angle of the backrest is small, the backrest can be horizontally laid, and the backrest is convenient to use.

Description

Backrest adjusting mechanism of baby tricycle

The technical field is as follows:

the utility model relates to a backrest adjusting mechanism of a baby tricycle.

Background art:

in order to grasp the movement of the baby at any time, the seat of the infant tricycle is usually designed to be rotatable, and the front-back direction of the seat can be adjusted according to the needs of the baby. However, in the existing infant tricycle, the angle of the seat back is inconvenient to adjust, so that the infant tricycle does not have the function of lying down, and the infant is inconvenient to lie down.

The utility model has the following contents:

the utility model aims at solving the problems in the prior art, namely, the utility model provides a baby tricycle backrest adjusting mechanism which is reasonable in design and convenient to lie down.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an infant tricycle back adjustment mechanism, includes automobile body, installs the rotatable seat on the automobile body, the one end of rotatable seat is provided with the back pole, the rear side of back pole is equipped with the back that lower extreme and rotatable seat are articulated mutually, be equipped with between the upper end of back and the back pole and be used for driving the back swing the swing drive assembly who changes.

Furthermore, the swinging driving assembly comprises two adjusting belts arranged on the left side and the right side of the backrest, the front ends of the two adjusting belts are respectively fixedly connected with the backrest rod, and the rear ends of the two adjusting belts are wound on the rear side of the backrest and are connected with an adjusting buckle.

Furthermore, elastic protective enclosures are connected between the left end and the right end of the backrest and the backrest rod.

Furthermore, the upper end of the elastic guard is provided with a connecting through hole which is beneficial to the penetration of the adjusting belt positioned at the same side of the elastic guard.

Furthermore, the backrest rod is in an inverted U shape, and a sunshade is installed at the upper end of the backrest rod.

Furthermore, a handlebar capable of being folded downwards is arranged at the front end of the vehicle body.

Furthermore, the lower end of the middle part of the vehicle body is provided with a pair of turnover foot rests which are distributed left and right.

Compared with the prior art, the utility model has the following effects: the adjustable backrest is reasonable in structural design, the angle of the backrest of the seat can be quickly adjusted by adjusting the length of the adjusting belt through the adjusting buckle, so that the backrest can lie flat, and the adjustable backrest is convenient to use.

Description of the drawings:

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic view of the chair of FIG. 1 adjusted to a rearward orientation;

FIG. 3 is a schematic perspective view showing the structure of the embodiment of the present invention (in a state where the backrest is not swung downward)

FIG. 4 is a schematic front view of a swing drive assembly according to an embodiment of the present invention;

FIG. 5 is a schematic top view of a swing drive assembly in accordance with an embodiment of the present invention;

FIG. 6 is a schematic diagram of a right-side view of a swing drive assembly according to an embodiment of the present invention;

fig. 7 is a schematic view of the backrest of fig. 4 after swinging downward.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 6, the utility model relates to a backrest adjusting mechanism for a baby tricycle, which comprises a tricycle body 1 and a rotatable seat 2 mounted on the tricycle body 1, wherein a backrest rod 3 is arranged at the rear end of the rotatable seat 2, a backrest 4 with the lower end vertically hinged to the rotatable seat 2 is arranged at the rear side of the backrest rod 3, a swing driving assembly 5 is arranged between the upper end of the backrest 4 and the backrest rod 3, the swing driving assembly 5 comprises two adjusting belts 6 arranged at the left side and the right side of the backrest 4, the front ends of the two adjusting belts 6 are respectively fixedly connected with the backrest rod 3, and the rear ends of the two adjusting belts 6 are wound to the rear side of the backrest 4 and connected with an adjusting buckle 7. During the use, adjust the length that the regulation band 6 extends to back 4 rear side through adjusting the knot 7, adjust the knot 7 can butt on the trailing flank of back 4 to this distance between adjustment back 4 upper end and the back pole 3, back 4 swings about rotatable seat 2 from top to bottom this moment, can the angle of quick adjustment seat back, when the angle of back is less, can realize the tie and lie convenient to use.

In this embodiment, in order to improve the protection effect, elastic enclosure 8 is connected between the left end and the right end of the backrest 4 and the backrest rod 3, so as to prevent a baby from sliding down from a gap between the backrest and the backrest rod, thereby causing a safety accident. The elastic enclosure can be made of elastic cloth, and the elastic enclosure can adapt to the angle adjustment of the backrest by utilizing the elasticity of the elastic enclosure.

In this embodiment, the upper end of the elastic enclosure 8 is provided with a connecting through hole 9, and the adjusting belt 6 on the same side of the elastic enclosure passes through the connecting through hole 9.

In this embodiment, the back rest lever 3 is in an inverted U shape, and a sunshade 10 is installed on the upper end of the back rest lever 3.

It should be noted that the adjusting buckle is also called a spring buckle, and is an existing mature product, and is widely applied to the existing clothing field, and the detailed description of the specific structure is not repeated here.

In this embodiment, a handlebar 11 that can be folded downward is provided at the front end of the vehicle body 1. When the rotatable seat is adjusted to face backwards, when the backrest needs to be placed downwards to be flat, the backrest and the handlebar are prevented from interfering to influence the lying comfort of a baby by folding the handlebar downwards. It should be noted that the foldable handlebar in the downward direction is a prior art (for example, the safety foldable handlebar disclosed in chinese patent No. CN 202021247895.6), and the detailed description thereof is not repeated here.

In this embodiment, a pair of reversible foot rests 12 distributed left and right is disposed at the lower end of the middle part of the vehicle body 1.

It should be noted that the rotatable seat is a prior art, such as a stroller disclosed in chinese patent No. CN202021252967.6, and the detailed description of the specific rotating structure thereof is not repeated here.

If the utility model discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.

Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. The utility model provides an infant tricycle back adjustment mechanism, includes the automobile body, installs the rotatable seat on the automobile body, its characterized in that: the backrest is characterized in that a backrest rod is arranged at one end of the rotatable seat, a backrest with the lower end hinged to the rotatable seat is arranged on the rear side of the backrest rod, and a swinging driving assembly used for driving the backrest to swing is arranged between the upper end of the backrest and the backrest rod.

2. The mechanism of claim 1, wherein: the swing driving assembly comprises two adjusting belts arranged on the left side and the right side of the backrest, the front ends of the two adjusting belts are respectively fixedly connected with the backrest rod, and the rear ends of the two adjusting belts are wound on the rear side of the backrest and are connected with an adjusting buckle.

3. The mechanism of claim 2, wherein: elastic fenders are connected between the left end and the right end of the backrest and the backrest rod.

4. The mechanism of claim 3, wherein: the upper end of the elastic guard is provided with a connecting through hole which is beneficial to the penetration of the adjusting belt positioned at the same side of the elastic guard.

5. The back adjustment mechanism of an infant tricycle of claim 1, wherein: the backrest rod is in an inverted U shape, and the upper end of the backrest rod is provided with a sunshade.

6. The mechanism of claim 1, wherein: the front end of the vehicle body is provided with a handlebar capable of being folded downwards.

7. The mechanism of claim 1, wherein: the lower end of the middle part of the car body is provided with a pair of turnover foot rests which are distributed left and right.