CN218907503U

CN218907503U - Wheelbarrow

Info

Publication number: CN218907503U
Application number: CN202223154854.4U
Authority: CN
Inventors: 林鸿贵; 周威; 游锦旭; 李亚寿; 林培瑜; 杨昊鸣; 李嘉训
Original assignee: Dongguan Begode Intelligent Technology Co Ltd
Current assignee: Dongguan Begode Intelligent Technology Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-25
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a wheelbarrow which comprises a movable frame, a first cantilever, an adjusting component and a pedal, wherein one end of the adjusting component is hinged with the movable frame, the other end of the adjusting component is hinged with the first cantilever, the pedal is fixedly connected with the movable frame, the advancing direction of the wheelbarrow is defined as the front, when a user uses the wheelbarrow to perform actions such as climbing or jumping, the user steps on the pedal, the movable frame compresses the adjusting component, the pedal and the user stepping on the pedal automatically adjust positions according to the gradient in the front-back direction of the axle center of a wheel, the movable frame integrally rotates relative to the first cantilever so as to automatically realize the gravity center change of the wheelbarrow and the user integrally, the human body does not need to perform actions such as greatly forward tilting to realize manual adjustment, the driving experience of the user is optimized, and the full shock absorption and buffering effects can be achieved in the climbing or jumping process.

Description

Wheelbarrow

Technical Field

The utility model relates to the technical field of electric wheelbarrows, in particular to a wheelbarrow.

Background

The electric wheelbarrow is a walking tool controlled by means of electric drive and self-balancing capability, has the remarkable advantages of energy conservation, environmental protection, portability and the like, a user puts feet on pedals on two sides of wheels respectively, gently tilts forward a body forwards, tilts backward to reduce speed, tilts left and right to turn, and the electric wheelbarrow commonly used in the market at present generally comprises a movable frame which can perform relative movement in the vertical direction relative to wheels so as to realize the functions of buffering and shock absorption.

However, the conventional electric wheelbarrow frame cannot generally realize relative movement in a horizontal direction, and when a user uses the wheelbarrow to perform actions such as climbing or jumping, the user needs to lean forward to adjust the overall gravity center of the body and the wheelbarrow, so that the driving experience of the user is affected.

Disclosure of Invention

In order to overcome at least one of the drawbacks of the prior art described above, the present utility model provides a wheelbarrow with a changeable center of gravity.

The utility model adopts the technical proposal for solving the problems that:

a wheelbarrow comprising:

the movable frame is used for bearing a user;

the first cantilever is fixedly connected to the wheel axle of the wheel, and the movable frame is hinged with the first cantilever; and

one end of the adjusting component is hinged with the movable frame, and the other end of the adjusting component is hinged with the first cantilever;

defining the advancing direction of the wheel as the front, and under the action of the adjusting component, the movable frame swings relative to the first cantilever so as to change the gravity center of the movable frame in the front-back direction of the axle center of the wheel.

Through the arrangement, when a user needs to increase power output such as climbing, riding at a high speed and the like by using the wheelbarrow, the movable frame rotates relative to the first cantilever through active adjustment or passive adjustment of the adjusting component, and the pedal and the user trampling on the pedal adjust positions in the front-back direction of the axle center of the wheel according to the power output, so that the integral gravity center change of the wheelbarrow and the user is realized, the human body does not need to perform actions such as greatly leaning forward and the like to realize manual adjustment, and the driving experience of the user is optimized.

According to a preferred embodiment, the bicycle further comprises a pedal, the movable frame comprises a bearing arm and a second cantilever, the bearing arm is fixedly connected with the second cantilever, and the pedal is fixedly connected with the bearing arm.

According to a preferred embodiment, the load-bearing arm is located outside the first cantilever with a gap between the load-bearing arm and the first cantilever.

Through the arrangement, when a user uses the wheelbarrow disclosed by the utility model to perform actions such as climbing or jumping, the bearing arm swings relative to the first cantilever to compress the adjusting assembly, and the first cantilever cannot interfere with the bearing arm, so that the stability of the motion of the wheelbarrow is ensured.

According to a preferred embodiment, the second cantilevers are arranged in pairs, and the two second cantilevers are oppositely arranged at two sides of the wheel; the first cantilevers are also arranged in pairs, and the two first cantilevers are oppositely arranged at two sides of the wheel.

According to a preferred embodiment, the load-bearing arm and the second cantilever arm are configured as one-piece.

According to a preferred embodiment, one end of the adjusting assembly is hinged to the second cantilever and the other end is hinged to the first cantilever.

According to a preferred embodiment, the adjusting component is one or more of a shock absorber, an electric push rod, a screw telescopic structure and a slide bar telescopic structure.

According to a preferred embodiment, the adjustment assembly is located in front of the hinge point of the second boom and the first boom.

According to a preferred embodiment, the adjustment assembly is located behind the hinge point of the second boom and the first boom.

In summary, the wheelbarrow provided by the utility model has at least the following technical effects:

when a user uses the wheelbarrow of the utility model to perform actions such as climbing or jumping, the movable frame compresses the adjusting component, the pedal and the user trampling on the pedal automatically adjust the position according to the gradient in the front-back direction of the wheel axle center, the second cantilever rotates relative to the first cantilever, namely the movable frame integrally rotates relative to the first cantilever, so that the gravity center change of the wheelbarrow and the user integrally is automatically realized, the human body does not need to perform actions such as greatly forward tilting and the like to realize manual adjustment, the driving experience of the user is optimized, and the full shock absorption and buffering effects can be realized in the climbing or jumping process.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a plan view of the direction A of FIG. 1;

FIG. 3 is a plan view of the direction B of FIG. 1;

FIG. 4 is a schematic diagram of the embodiment of FIG. 1;

FIG. 5 is a schematic view of yet another embodiment different from FIG. 4;

FIG. 6 is a form of adjustment assembly in accordance with an embodiment of the present utility model;

FIG. 7 is yet another form of adjustment assembly in accordance with an embodiment of the present utility model;

fig. 8 is another version of an adjustment assembly in an embodiment of the utility model.

Wherein the reference numerals have the following meanings:

1-a movable frame; 11-a load-bearing arm; 12-a second cantilever; 13-a saddle; 2-a first cantilever; 3-locating pins; 4-an adjustment assembly; 5-a first connecting shaft; 6-a second connecting shaft; 7-wheels; 8-pedal.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are referred to, the positional relationship is based on the positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" refers to two or more than two; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, references to "the/the" object or "an" object are likewise intended to mean one of a possible plurality of such objects.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

Further, in the description of the present utility model, it should be understood that the terms "upper", "lower", "inner", "outer", and the like are described with reference to the angle shown in the drawings, and should not be construed as limiting the specific embodiments. It will also be understood that in the context of an element or feature being connected to another element(s) "upper," "lower," or "inner," "outer," it can be directly connected to the other element(s) "upper," "lower," or "inner," "outer," or indirectly connected to the other element(s) "upper," "lower," or "inner," "outer" via intervening elements.

Referring to fig. 1, the utility model discloses a wheelbarrow comprising: the bicycle comprises a movable bicycle frame 1, a first cantilever 2, an adjusting assembly 4, wheels 7 and pedals 8, wherein the movable bicycle frame 1 is hinged with the first cantilever 2 through a locating pin 3; one end of the adjusting component 4 is hinged with the movable frame 1, and the other end is hinged with the first cantilever 2; the bearing arm 11 is positioned on the outer side of the first cantilever 2, and a gap exists between the bearing arm 11 and the first cantilever 2; it can be understood that the second cantilevers 12 are arranged in pairs in this embodiment, and the two second cantilevers 12 are oppositely arranged at both sides of the wheel 7; the first cantilever 2 and the pedal 8 are also arranged in pairs and are oppositely arranged at two sides of the wheel 7, and as the two sides of the wheel 7 move consistently, the related structure is described in detail by taking a single side as an example, and the structure and the movement mode of the other side are not described in detail.

Referring to fig. 2 and 3 together, the movable frame 1 includes a load-bearing arm 11, a second cantilever 12, and a saddle 13, where the saddle 13 is fixedly connected to the load-bearing arm 11 to uniformly distribute the weight of the user to the load-bearing arms 11 on both sides, and as a preferred embodiment, the load-bearing arm 11 and the second cantilever 12 in this embodiment are configured as an integral unit, one end of the adjusting component 4 is hinged to the second cantilever 12 through a first connecting shaft 5, and the other end is hinged to the first cantilever 2 through a second connecting shaft 6; the bearing arm 11 is far away from one end of the saddle 13 and fixedly connected with the pedal 8, the bearing arm 11 is not directly connected with the wheel shaft of the wheel 7, namely, a gap exists between the bearing arm 11 and the wheel 7, relative motion can be carried out, the advancing direction of the wheel 7 is defined as the front, when a user performs climbing or jumping actions on the wheelbarrow in the embodiment of the utility model, the body of the user performs small-amplitude forward tilting, namely, the movable frame 1 performs relative motion forwards relative to the first cantilever 2, the second cantilever 12 rotates relative to the first cantilever 2, the adjusting assembly 4 is compressed, the pedal 8 and the user trampling on the pedal are automatically adjusted according to the gradient in the front-rear direction of the axle center of the wheel 7, so that the gravity center change of the wheelbarrow and the whole user is automatically realized, the human body is not required to perform large-amplitude forward tilting actions to realize manual adjustment, driving experience of the user is optimized, and the full shock absorption and buffering effects can be achieved in the climbing or jumping process of the wheelbarrow, and the stability of the wheelbarrow motion is ensured because the gap exists between the bearing arm 11 and the first cantilever 2.

As an alternative implementation mode, one end of the adjusting component 4 can be hinged with the saddle 13, and the other end of the adjusting component is hinged with the first cantilever 2, so that the movable frame 1 can still rotate relative to the first cantilever 2, the integral gravity center change of the wheelbarrow and a user is automatically realized, and the driving experience of the user is optimized.

It will be appreciated that the position and arrangement of the adjusting assembly 4 are not specifically described in this embodiment, as shown in fig. 4, where the adjusting assembly 4 is configured in a vertical manner, which is consistent with the effect achieved by the arrangement in fig. 2, i.e. the adjusting assembly 4 may be arranged vertically or in an inclined manner; similarly, referring to fig. 5, fig. 5 is another arrangement manner of the adjusting assembly 4 different from fig. 4, one end of the adjusting assembly 4 is hinged to the second cantilever 12 through the first connecting shaft 5, the other end is hinged to the first cantilever 2 through the second connecting shaft 6, the second cantilever 12 is hinged to the first cantilever 2 through the positioning pin 3, the positioning pin 3 is a hinge point of the second cantilever 12 and the first cantilever 2, at this time, the first connecting shaft 5 is located below the second connecting shaft 6, the adjusting assembly 4 is located behind a hinge point of the second cantilever 12 and the first cantilever 2, and in fig. 2 or fig. 4, the adjusting assembly 4 is located in front of a hinge point of the second cantilever 12 and the first cantilever 2, that is, the adjusting assembly 4 is located in front of or behind a hinge point of the second cantilever 12 and the first cantilever 2.

Further, the connection structure relationship between the second cantilever 12 and the first cantilever 2 is not limited to the front-rear, triangle, cross and the like shown in fig. 4 and 5, as long as the second cantilever 12 and the first cantilever 2 can be hinged, one end of the adjusting component 4 is hinged to the second cantilever 12, and the other end is hinged to the first cantilever 2, which falls within the protection scope of the present embodiment.

Specifically, referring to fig. 6 to 8, the adjusting assembly 4 in the present embodiment may be a screw telescopic structure, a sliding rod telescopic structure or an electric push rod structure, which is not limited to the above three structural configurations, and the changing manner falls within the protection scope of the present utility model as long as the three structural configurations can be satisfied to achieve sufficient shock absorption and buffering.

In summary, when the wheelbarrow of the embodiment of the present utility model is used by a user to perform actions such as climbing or jumping, the movable frame 1 compresses the adjusting component 4, the pedal 8 and the user stepping on the pedal automatically adjust positions according to the gradient in the front-rear direction of the axle center of the wheel 7, the second cantilever 12 rotates relative to the first cantilever 2, that is, the movable frame 1 integrally rotates relative to the first cantilever 2, so as to automatically realize the gravity center change of the wheelbarrow and the user integrally, without the need of a human body to perform actions such as greatly forward tilting, so as to realize manual adjustment, optimize the driving experience of the user, and achieve sufficient shock absorption and buffering effects in the climbing or jumping process.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A wheelbarrow, comprising:

the movable vehicle frame (1), the said movable vehicle frame (1) is used for bearing users;

the first cantilever (2), the first cantilever (2) is fixedly connected to the wheel axle of the wheel (7), and the movable frame (1) is hinged with the first cantilever (2); and

the adjusting component (4), one end of the adjusting component (4) is hinged with the movable frame (1), and the other end of the adjusting component is hinged with the first cantilever (2);

defining the advancing direction of the wheel (7) as the front, and under the action of the adjusting assembly (4), the movable frame (1) swings relative to the first cantilever (2) so as to change the gravity center of the movable frame (1) in the front-back direction of the axle center of the wheel (7).

2. A wheelbarrow according to claim 1, wherein: the bicycle comprises a movable frame (1), and is characterized by further comprising a pedal (8), wherein the movable frame (1) comprises a bearing arm (11) and a second cantilever (12), the bearing arm (11) is fixedly connected with the second cantilever (12), and the pedal (8) is connected with the bearing arm (11).

3. A wheelbarrow according to claim 2, wherein: the bearing arm (11) is located on the outer side of the first cantilever (2), and a gap exists between the bearing arm (11) and the first cantilever (2).

4. A wheelbarrow according to claim 3, wherein: the second cantilevers (12) are arranged in pairs, and the two second cantilevers (12) are oppositely arranged at two sides of the wheel (7); the first cantilevers (2) are also arranged in pairs, and the two first cantilevers (2) are oppositely arranged at two sides of the wheel (7).

5. A wheelbarrow according to claim 2, wherein: the load-bearing arm (11) and the second cantilever (12) are configured as an integral formation.

6. A wheelbarrow according to claim 2, wherein: one end of the adjusting component (4) is hinged with the second cantilever (12), and the other end of the adjusting component is hinged with the first cantilever (2).

7. A wheelbarrow according to claim 6, wherein: the adjusting component (4) is one or a combination of a plurality of shock absorbers, electric push rods, screw telescopic structures and sliding rod telescopic structures.

8. A wheelbarrow according to claim 6, wherein: the adjusting assembly (4) is located in front of the hinge point of the second cantilever (12) and the first cantilever (2).

9. A wheelbarrow according to claim 6, wherein: the adjusting assembly (4) is located behind the hinge point of the second cantilever (12) and the first cantilever (2).