CN214057818U - Up-down stepping type power transmission device for rickshaw and rickshaw - Google Patents

Abstract

The power transmission device for up-down stepping rickshaw includes: the two sides of the wheel disc are respectively fixedly connected with a first rotating shaft and a second rotating shaft; the first swing frame is a quadrilateral frame, two opposite side frames of the first swing frame are parallel to each other, and the side frames are rotatably connected at four vertex positions; the two opposite side frames of the quadrilateral second swing frame are parallel to each other, and the side frames are rotatably connected at four vertex positions; the first pedal is fixedly connected with the swinging end of the first swinging frame; the second pedal is fixedly connected with the swinging end of the second swinging frame; one end of the first transmission component is connected with the first rotating shaft, and the other end of the first transmission component is connected with the swinging end of the first swinging frame; one end of the second transmission component is connected with the second rotating shaft, and the other end of the second transmission component is connected with the swinging end of the second swinging frame; the first pedal and the second pedal are acted by the up-down stepping step to drive the first swing frame and the second swing frame to swing up and down in a reciprocating mode, and the wheel disc is driven to rotate.

Description

Up-down stepping type power transmission device for rickshaw and rickshaw

Technical Field

The application belongs to the technical field of rickshaw, and concretely relates to up-down stepping type rickshaw power transmission device and rickshaw.

Background

The power of traditional manpower bicycle comes from people's pedal power, drives the rickshaw forward around the rim plate continuous rotation through riding passerby's pedal, and the distance that the running-board carries out circular motion is long, and is low to manpower utilization ratio, efficiency not high moreover. In particular, the gravity of the human body itself is not effectively utilized.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the technical problems existing in the prior art, especially to convert the gravity of the human body into the power for driving the bicycle to move forward, the embodiment of the application discloses a power transmission device of a step-up rickshaw, which comprises:

the wheel disc is arranged and installed on the frame body of the manpower vehicle, and a first rotating shaft and a second rotating shaft are fixedly connected to the two sides of the wheel disc respectively;

the first swing frame is a quadrilateral frame, two opposite side frames of the first swing frame are parallel to each other, and the side frames are rotatably connected at four vertex positions; the first swing frame is vertically arranged, one vertical frame of the first swing frame is fixedly connected to the frame body of the manpower vehicle, and the other vertical frame of the first swing frame is arranged to swing back and forth along the arrangement direction of the first swing frame under the action of external force;

the two opposite side frames of the quadrilateral second swing frame are parallel to each other, and the side frames are rotatably connected at four vertex positions; the second swing frame is vertically arranged, one vertical frame of the second swing frame is fixedly connected to the frame body of the manpower vehicle, and the other vertical frame of the second swing frame is arranged to swing back and forth along the arrangement direction of the second swing frame under the action of external force;

the first pedal is fixedly connected with the swinging end of the first swinging frame;

the second pedal is fixedly connected with the swinging end of the second swinging frame;

one end of the first transmission component is connected with the first rotating shaft, and the other end of the first transmission component is connected with the swinging end of the first swinging frame;

one end of the second transmission component is connected with the second rotating shaft, and the other end of the second transmission component is connected with the swinging end of the second swinging frame;

the first pedal and the second pedal are acted by the up-down stepping step to drive the first swing frame and the second swing frame to swing up and down in a reciprocating mode, and the wheel disc is driven to rotate.

Further, the power transmission device of the up-down stepping rickshaw disclosed by some embodiments is characterized in that the first pedal is fixedly connected with the vertical frame of the swing end of the first swing frame, and the second pedal is fixedly connected with the vertical frame of the swing end of the second swing frame.

Some embodiments disclose the power transmission device of the up-and-down stepping type rickshaw, wherein the first transmission part is arranged and connected with the upper transverse frame of the first swing frame, and the second transmission part is arranged and connected with the upper transverse frame of the second swing frame.

Some embodiments disclose the power transmission device of the up-and-down stepping type manpower vehicle, wherein the first transmission part is arranged and rotatably connected with the first swinging frame, and the second transmission part is arranged and rotatably connected with the second swinging frame.

Some embodiments disclose the power transmission device of the up-and-down stepping type human power vehicle, wherein the connection part of the first transmission component and the swing end of the first swing frame is adjustable, and the connection part of the second transmission component and the swing end of the second swing frame is adjustable.

Some embodiments disclose the power transmission device of the up-and-down stepping type rickshaw, the first transmission part is a transmission rod, a transmission chain or a transmission rope; the second transmission component is a transmission rod, a transmission chain or a transmission rope.

Some embodiments disclose the power transmission device of the up-and-down stepping rickshaw, the rotating shaft of the wheel disc is a crank shaft, a first crank and a second crank are fixedly connected to the crank shaft, the first rotating shaft is arranged at the end part of the first crank, and the second rotating shaft is arranged at the end part of the second crank.

Some embodiments disclose an up-down stepping rickshaw power transmission device, the both sides of rim plate are provided with respectively rather than coaxial setting and the first carousel and the second carousel that links firmly, first pivot setting links firmly on the outside periphery of first carousel, the second pivot setting links firmly on the outside periphery of second carousel, first pivot and second pivot two perpendicular projections on the rim plate are on same straight line with the center pin of rim plate.

Some embodiments disclose the power transmission device of the up-down stepping rickshaw, the end of the upper transverse frame of the first swing frame extends out of the parallelogram of the first swing frame, the first transmission part is arranged and connected with the end of the upper transverse frame; the end part of the upper transverse frame of the second swing frame extends out of the parallelogram of the second swing frame, and the second transmission part is arranged and connected with the end part of the upper transverse frame.

In another aspect, some embodiments disclose a human powered vehicle including an up-and-down step type human powered vehicle power transmission device.

The utility model provides an upper and lower formula of stepping on rickshaw power transmission device, simple structure, reasonable can mark time the action about the people and convert the continuous rotation of rim plate into, and then drive the rickshaw and move ahead, mark time the overall process running pedal and remain throughout and be close the horizontality, the cyclist of being convenient for marks time and ride, can use in the rickshaw such as tricycle rickshaw, two-wheeled manpower bicycle, can improve the efficiency of riding.

Drawings

FIG. 1 embodiment 1 is a schematic structural view of a power transmission device of a vertically stepping type human powered vehicle

FIG. 2 is a schematic view of an embodiment 2 of an up-and-down step type manual bicycle

FIG. 3 example 3 wheel disc set-up schematic

FIG. 4 embodiment 4 schematic wheel set-up

FIG. 5 is a schematic view of the structure of the first pedal of embodiment 5 for adjusting the horizontal direction

Reference numerals

1 first swing frame 2 second swing frame

3 first step 4 second step

5 first transmission part 6 second transmission part

7 wheel 8 second connecting piece

9 first connecting part 10 first position adjusting part

31 second position adjustment member 310 adjustment aperture

71 first wheel 72 second wheel

73 first crank 74 second crank

700 wheel spin axis 710 first spin axis

720 second shaft 100 rear wheel fork

101 inclined centre sill 102 front wheel

103 rear wheel 104 steering rod

105 handlebar 106 wheel support

Detailed Description

The word "embodiment" as used herein, is not necessarily to be construed as preferred or advantageous over other embodiments, including any embodiment illustrated as "exemplary". Performance index tests in the examples of this application, unless otherwise indicated, were performed using routine experimentation in the art. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

Unless defined otherwise, 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; other test methods and techniques not specifically mentioned in the present application are those commonly employed by those of ordinary skill in the art. The directions referred to herein are generally referred to as the directions of the human powered vehicle, for example, front generally refers to the direction in which the human powered vehicle is moving forward, the front wheels of the human powered vehicle are generally positioned in front of the rear wheels of the human powered vehicle, and above refers to being above with respect to the human powered vehicle; generally, the rotatable connection described herein may be achieved by bearings, and different types of bearings may be selected, corresponding to specific locations, component configurations, types, etc.; the use of ordinal numbers such as first and second, etc., herein for clarity in order to distinguish between different elements, is not intended to imply a sequence or order nor to limit the particular positions.

The terms "substantially" and "about" are used herein to describe small fluctuations. For example, they may mean less than or equal to ± 5%, such as less than or equal to ± 2%, such as less than or equal to ± 1%, such as less than or equal to ± 0.5%, such as less than or equal to ± 0.2%, such as less than or equal to ± 0.1%, such as less than or equal to ± 0.05%. Numerical data represented or presented herein in a range format is used merely for convenience and brevity and thus should be interpreted flexibly to include not only the numerical values explicitly recited as the limits of the range, but also to include all the individual numerical values or sub-ranges encompassed within that range as if each numerical value and sub-range is explicitly recited. For example, a numerical range of "1 to 5%" should be interpreted to include not only the explicitly recited values of 1% to 5%, but also include individual values and sub-ranges within the indicated range. Thus, included in this numerical range are individual values, such as 2%, 3.5%, and 4%, and sub-ranges, such as 1% to 3%, 2% to 4%, and 3% to 5%, etc. This principle applies equally to ranges reciting only one numerical value. Moreover, such an interpretation applies regardless of the breadth of the range or the characteristics being described. The frame of the swing frame mentioned herein generally refers to a rigid member with a certain length, which may be a square, a circle, or other member with a certain shape, and can be connected to each other to form a frame with a parallelogram structure as a whole, so as to realize the function of the swing frame disclosed herein.

In this document, including the claims, all conjunctions such as "comprising," including, "" carrying, "" having, "" containing, "" involving, "" containing, "and the like are to be understood as being open-ended, i.e., to mean" including but not limited to. Only the conjunctions "consisting of … …" and "consisting of … …" are closed conjunctions.

In the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In the examples, some methods, means, instruments, apparatuses, etc. known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

On the premise of no conflict, the technical features disclosed in the embodiments of the present application may be combined arbitrarily, and the obtained technical solution belongs to the content disclosed in the embodiments of the present application.

In some embodiments, the power transmission device of the up-down stepping type human powered vehicle includes:

the wheel disc is arranged and installed on the frame body of the manpower vehicle, and a first rotating shaft and a second rotating shaft are fixedly connected to the two sides of the wheel disc respectively; generally, the wheel disc is arranged behind the frame body and positioned on the right side of the wheel disc support, a first rotating shaft and a second rotating shaft are symmetrically arranged on two sides of the wheel disc, and the first rotating shaft and the second rotating shaft are respectively and vertically arranged on the side surface of the wheel disc, which is close to the edge of the wheel disc; external force from the first transmission component and the second transmission component acts on the first rotating shaft and the second rotating shaft respectively to drive the pulley disc to rotate. The wheel disc is connected with the rear wheel of the rickshaw through a chain, and the wheel disc drives the wheel to rotate in the rotating process so as to drive the rickshaw to move forwards;

the first swing frame is a quadrilateral frame, two opposite side frames of the first swing frame are parallel to each other, and the side frames are rotatably connected at four vertex positions; the first swing frame is vertically arranged, one vertical frame of the first swing frame is fixedly connected to the frame body of the manpower vehicle, and the other vertical frame of the first swing frame is arranged to swing back and forth along the arrangement direction of the first swing frame under the action of external force; usually, two transverse frames swing in a vertical plane by taking a connection point of the two transverse frames and a vertical frame fixed on a frame body of a rickshaw as a circle center, the two transverse frames are always kept parallel in the swinging process, and the other vertical frame is always kept parallel to the vertical frame fixed on the frame body of the rickshaw and swings in the vertical plane;

the two opposite side frames of the quadrilateral second swing frame are parallel to each other, and the side frames are rotatably connected at four vertex positions; the second swing frame is vertically arranged, one vertical frame of the second swing frame is fixedly connected to the frame body of the manpower vehicle, and the other vertical frame of the second swing frame is arranged to swing back and forth along the arrangement direction of the second swing frame under the action of external force; usually, two transverse frames swing in a vertical plane by taking a connection point of the two transverse frames and a vertical frame fixed on a frame body of a rickshaw as a circle center, the two transverse frames are always kept parallel in the swinging process, and the other vertical frame is always kept parallel to the vertical frame fixed on the frame body of the rickshaw and swings in the vertical plane;

the first pedal is fixedly connected with the swinging end of the first swinging frame and used for driving the first swinging frame to swing downwards; usually, the first pedal is fixedly connected with the swinging end of the first swinging frame, so that the first pedal is ensured to always keep the setting angle of the first pedal, a person can conveniently step, the first swinging frame is driven to move, and the swinging of the first swinging frame is realized; the arrangement position of the first pedal is usually ensured to have a nearly horizontal pedal surface, so that the first pedal is always horizontal in the riding process and is convenient for a rider to step; as an optional embodiment, the first pedal may be fixedly connected to the transverse frame of the first swing frame, or may be fixedly connected to the vertical frame of the first swing frame, and generally, in a preferred embodiment, the first pedal may be fixedly connected to the vertical frame of the first swing frame, so that a rider can conveniently step; as an optional implementation mode, the horizontal angle of the pedal plane of the first pedal has certain angle adjustability so as to have certain forward inclination gradient, adapt to the pedaling direction of the feet of a rider and improve the comfort;

the second pedal is fixedly connected with the swinging end of the second swinging frame; usually, the second pedal is fixedly connected with the swinging end of the second swinging frame, so that the second pedal is ensured to always keep the setting angle of the second pedal, and a person can conveniently step to drive the second swinging frame to swing; the second pedal is usually arranged at a position which ensures that the second pedal has a pedal plane close to the horizontal so as to be kept horizontal all the time during riding and be convenient for a rider to step; as an optional embodiment, the second pedal may be fixedly connected to the transverse frame of the second swing frame, or may be fixedly connected to the vertical frame of the second swing frame, and generally, in a preferred embodiment, the second pedal may be fixedly connected to the vertical frame of the second swing frame, so that a rider can conveniently step; as an optional implementation mode, the horizontal direction angle of the pedal surface of the second pedal has certain angle adjustability so as to have certain forward inclination slope, adapt to the pedaling direction of the feet of a rider and improve the comfort;

one end of the first transmission component is connected with the first rotating shaft, and the other end of the first transmission component is connected with the swinging end of the first swinging frame; usually, the first transmission part is a rigid connecting piece, and can completely transmit the movement of the first swinging frame to the first rotating shaft, and the first transmission part is rotatably connected with the first rotating shaft, transmits the swinging movement of the first swinging frame to the first rotating shaft and converts the swinging movement into the rotation of the wheel disc; generally, the connection position of the first transmission component and the first swing frame can be arranged at a proper position of the first swing frame, such as a transverse frame and a vertical frame, and further can be arranged at a proper position of the transverse frame and the vertical frame; as a more preferable embodiment, the first transmission member is disposed at a position where the swing amplitude of the first swing frame is maximum, such as a distal end of the horizontal frame, the vertical swing frame, or a first pedal fixedly connected to the first swing frame;

one end of the second transmission component is connected with the second rotating shaft, and the other end of the second transmission component is connected with the swinging end of the second swinging frame; the second transmission part is a rigid connecting part, can completely transmit the movement of the second swing frame to the second rotating shaft, can be rotatably connected with the second rotating shaft, and transmits the swing motion of the second swing frame to the second rotating shaft to be converted into the rotation of the wheel disc; generally, the connection position of the second transmission component and the second swing frame can be arranged at a suitable position of the second swing frame, such as the transverse frame and the vertical frame, and further can be arranged at a suitable position of the transverse frame and the vertical frame; as a more preferable embodiment, the second transmission member is disposed at a position where the swing amplitude of the second swing frame is maximum, such as a distal end of the transverse frame, the vertical swing frame, or a second pedal fixedly connected to the second swing frame;

the first transmission component and the second transmission component are generally equal in length and are the same;

the first pedal and the second pedal are acted by the up-down stepping step to drive the first swing frame and the second swing frame to swing up and down in a reciprocating mode, and the wheel disc is driven to rotate.

As an alternative embodiment, the first pedal is fixedly connected to the vertical frame of the swing end of the first swing frame, and the second pedal is fixedly connected to the vertical frame of the swing end of the second swing frame. Can design the vertical frame that has intensity and certain structural requirement and be connected with first footboard and second footboard usually, strengthen the stability of first footboard and second footboard structure, and ensure that its setting position keeps unchangeable, increase power transmission device's security and the travelling comfort of marking time.

As an alternative embodiment, the first transmission component is arranged and connected with the upper transverse frame of the first swing frame, and the second transmission component is arranged and connected with the upper transverse frame of the second swing frame.

As an alternative, the first transmission member is rotatably connected to the first swing frame, and the second transmission member is rotatably connected to the second swing frame.

As an alternative embodiment, the connection position of the first transmission component and the swing end of the first swing frame is adjustable, and the connection position of the second transmission component and the swing end of the second swing frame is adjustable.

As an alternative embodiment, the first transmission part is a transmission rod, a transmission chain or a transmission rope; the second transmission component is a transmission rod, a transmission chain or a transmission rope.

As an alternative embodiment, the rotating shaft of the wheel disc is a crank shaft, a first crank and a second crank are fixedly connected to the crank shaft, the first rotating shaft is arranged at the end part of the first crank and is perpendicular to the first crank, and the second rotating shaft is arranged at the end part of the second crank and is perpendicular to the second crank. The included angle between the first crank and the second crank is 180 degrees. For example, a conventional way of connecting two cranks on two sides of a wheel disc can be adopted, and the included angle between the first crank and the second crank is 180 degrees.

As an optional embodiment, a first rotating disc and a second rotating disc which are coaxially arranged with the wheel disc and fixedly connected with the wheel disc are respectively arranged on two sides of the wheel disc, a first rotating shaft is fixedly connected to the periphery of the first rotating disc, a second rotating shaft is fixedly connected to the periphery of the second rotating disc, and two vertical projections of the first rotating shaft and the second rotating shaft on the wheel disc are on the same straight line with the central shaft of the wheel disc.

As an alternative embodiment, the end of the upper transverse frame of the first swing frame extends out of the first swing frame, and the first transmission component is arranged and connected with the end of the upper transverse frame; the end part of the upper transverse frame of the second swing frame extends out of the second swing frame, and the second transmission part is connected with the end part of the upper transverse frame.

As an alternative embodiment, the swinging frame is arranged and installed on a vertical beam of a head of a rickshaw. Usually, the first swing frame and the second swing frame are installed on the same vertical beam of the vehicle head in a mirror symmetry mode, one vertical frame of the first swing frame and the second swing frame is fixedly connected with the vertical beam of the vehicle head and keeps parallel, and the other vertical frame is ensured to keep parallel with the vertical beam of the vehicle head and swings along the arrangement direction of the vertical beam of the vehicle head.

In some embodiments, the human powered vehicle includes a reciprocating step-on human powered vehicle power transmission. Generally, a human powered vehicle refers to a manually driven vehicle. The utility model provides an upper and lower step type rickshaw power device who discloses can set up and install on the rickshaw, as the power transmission device of rickshaw, through the action of marking time from top to bottom of personnel, acts on power transmission device, will mark time the action and turn into the rotary motion of rim plate, drives the wheel rotation of rickshaw, and the drive rickshaw moves ahead.

As an alternative embodiment, the rickshaw comprises a three-wheel rickshaw and a two-wheel rickshaw.

The technical details are further illustrated in the following examples.

Example 1

Fig. 1 is a schematic structural view of a power transmission device of an up-down step-type human powered vehicle disclosed in embodiment 1.

In embodiment 1, the power transmission device for a vertically-stepping human powered vehicle includes:

the two opposite frames of the quadrilateral first swing frame 1 are parallel to each other, the frames are rotatably connected at four vertex positions A, B, C, D, an upper transverse frame AD is parallel to a lower transverse frame BC, a left vertical frame AB is parallel to a right vertical frame CD, the end part of the transverse frame AD extends to the right rear part to the outside of the first swing frame 1, the vertical frames AB are fixedly connected to a human frame body, and the first pedal 3 is horizontally arranged and fixedly connected with the vertical frames CD; the first pedal 3 is driven by external force to move downwards, and the first swing frame 1 is driven to move downwards;

a quadrangular second swing frame 2 whose two opposite side frames are parallel to each other, the side frames of which are rotatably connected at four apex portions a1, B1, C1, D1; the upper transverse frame A1D1 is parallel to the lower transverse frame B1C1, the left vertical frame A1B1 is parallel to the right vertical frame C1D1, the end part of the transverse frame A1D1 extends to the right rear part to the outside of the second swing frame 2, the vertical frame A1B1 is used for being fixedly connected to a frame body of the human-powered vehicle, and the second pedal 4 is horizontally arranged and fixedly connected with the vertical frame C1D 1; the external force drives the second pedal 4 to move downwards to drive the second swing frame 2 to move downwards;

the wheel disc 7 is provided with a wheel disc rotating shaft 700 in the middle for being connected with a frame body of the rickshaw, and a first rotating shaft 710 and a second rotating shaft 720 are fixedly connected on two sides of the wheel disc 7 respectively;

a first transmission member 5 having one end connected to the first rotation shaft 710 and the other end connected to an end of the transverse frame AD of the first swing frame 1;

a second transmission member 6 having one end connected to the second rotating shaft 721 and the other end connected to an end of the transverse frame A1D1 of the second swing frame 2;

the end part of the transverse frame AD is provided with a first connecting piece 9, and the first transmission part 5 is connected with the transverse frame AD through the first connecting piece 9 so as to adjust the connecting position; for example, the end region of the lateral frame AD is provided with a plurality of connection holes, and the first transmission member 5 may be disposed on the plurality of connection holes so as to adjust the swing amplitude and the mounting angle of the first transmission member 5; a first position adjusting component 10 can be further arranged, the first position adjusting component 10 is an annular component, a plurality of connecting holes are formed in the annular component, and the first transmission component 5 can be connected to the plurality of connecting holes so as to adjust the installation angle and the swing amplitude of the first transmission component 5;

the end of the transverse frame A1D1 is provided with a second connecting piece 8, and the second transmission component 6 is connected with the transverse frame A1D1 through the second connecting piece 8 so as to adjust the connecting position; for example, the end region of the lateral frame A1D1 is provided with a plurality of attachment holes, and the second transmission member 6 may be disposed on the plurality of attachment holes so as to adjust the swing amplitude and the installation angle of the second transmission member 6; a first position adjusting component 10 can be further arranged, the first position adjusting component 10 is an annular component, a plurality of connecting holes are formed in the annular component, and the second transmission component 6 can be connected to the connecting holes so as to adjust the installation angle and the swing amplitude of the second transmission component 6;

the up-down stepping is acted on the first pedal 3 and the second pedal 4 to drive the first swing frame 1 and the second swing frame 2 to swing up and down in a reciprocating mode, and the wheel disc 7 is driven to rotate through the first transmission part 5 and the second transmission part 6.

Example 2

Fig. 2 is a schematic structural view of the up-down stepping type human-powered bicycle disclosed in embodiment 2.

In embodiment 2, the manual bicycle comprises a rear wheel fork 100 and an inclined center sill 101 fixedly connected with the rear wheel fork, wherein the inclined center sill 101 is arranged in the front and connected with a rotary sleeve of a steering rod 104, a front fork is arranged below the steering rod 104, a front wheel 102 is arranged and installed on the front fork, a wheel disc support 106 is arranged and installed on the rear wheel fork 100, and a rear wheel 103 is arranged and installed at the tail end of the rear wheel fork;

the front vertical frame of the first swing frame 1 is fixedly connected to the rotating sleeve of the steering rod 104, the tail end of the upper transverse frame at the swing end of the first swing frame 1 is connected with a first transmission component 5, and the vertical frame is fixedly connected with a first pedal 3 which is horizontally arranged;

the front vertical frame of the second swing rod frame 2 is fixedly connected with a steering rod 104, the tail end of the upper transverse frame at the swing end of the second swing frame 2 is fixedly connected with a second transmission part 6, and the vertical frame is fixedly connected with a second pedal 4 which is horizontally arranged; the first swing frame 1 and the second swing frame are respectively arranged on the left side and the right side of the inclined middle beam 101;

the wheel disc support 106 is provided with a wheel disc 7, a wheel disc rotating shaft of the wheel disc 7 is connected with the wheel disc support 106, and a first rotating shaft and a second rotating shaft are arranged at the edge parts of two sides of the wheel disc 7 and are respectively rotatably connected with the first transmission part 5 and the second transmission part 6; the wheel disc 7 is connected with a flywheel arranged on the rear wheel 103 through a chain;

the rider steps on the upper pedal and the lower pedal respectively to act on the first pedal 3 and the second pedal 4, the first pedal 3 and the second pedal 4 swing up and down in a reciprocating and crossed mode, and the first transmission part 5 and the second transmission part 6 drive the wheel disc 7 to rotate to drive the bicycle to move forwards.

Example 3

Fig. 3 is a schematic view of the wheel disc arrangement disclosed in embodiment 3.

In embodiment 3, the wheel disc 7 is a disc-shaped structure, gear teeth matched with a driving chain of the rickshaw are arranged on the outer circumference of the wheel disc 7, the wheel disc 7 is fixedly arranged on a wheel disc rotating shaft 700, and a first rotating disc 71 fixedly connected with the wheel disc rotating shaft 700 is arranged on the left side of the wheel disc 7; a second turntable 72 is arranged on the right side of the wheel disc 7 and fixedly connected with a wheel disc rotating shaft 700; the first rotating shaft 710 is fixedly connected to the outer side of the topmost position of the first rotating disc 71, the second rotating shaft 720 is fixedly connected to the outer side of the lowest end of the second rotating disc 72, namely, the arrangement position of the first rotating shaft 710 and the arrangement position of the second rotating shaft 720 are symmetrically distributed on two sides of the wheel disc rotating shaft 700, the first rotating shaft 710 and the second rotating shaft 720 are parallel to the wheel disc rotating shaft 700, and the first rotating disc 71 and the second rotating disc 72 are parallel to the wheel disc 7.

The first rotary disc 71 and the second rotary disc 72 are driven by the first rotary shaft 710 and the second rotary shaft 720 respectively to rotate, and the synchronous rotary disc 7 rotates.

The first rotating disc and the second rotating disc are usually disc-shaped, and the air resistance of the discs in the rotating process is relatively small, so that the labor and the energy are saved.

Example 4

Fig. 4 is a schematic view of the wheel disc arrangement disclosed in embodiment 4.

In embodiment 4, the wheel disc 7 is a disc-shaped structure and is fixedly mounted on the wheel disc rotating shaft 700, the left side of the wheel disc 7 is provided with a first crank 73 fixedly connected with the wheel disc rotating shaft 700, the right side of the wheel disc 7 is provided with a second crank 74 fixedly connected with the wheel disc rotating shaft 700, an included angle between the first crank 73 and the second crank 74 is 180 degrees, the first rotating shaft 710 is connected to the outer side of the end portion of the first crank 73, and the first rotating shaft 710 is provided with a rotating bearing; the second rotating shaft 720 is arranged and connected at the outer side of the end part of the second crank 74, and a rotating bearing is arranged on the second rotating shaft 720; that is, the installation position of the first rotating shaft 710 and the installation position of the second rotating shaft 720 are symmetrically distributed on both sides of the wheel disc rotating shaft 700, and the first rotating shaft 710, the second rotating shaft 720 and the wheel disc rotating shaft 700 are parallel to each other and perpendicular to the wheel disc.

The first crank 73 and the second crank 74 are driven by the first rotating shaft 710 and the second rotating shaft 720 respectively to rotate, and the synchronous movable wheel disc 7 rotates.

Example 5

Fig. 5 is a schematic view of a horizontal direction adjustment structure of the first pedal disclosed in embodiment 5.

In embodiment 5, the four vertices of the first swing frame 1 are A, B, C, D, the vertical frame CD is the swing end vertical frame of the first swing frame 1, and the second adjusting member 31 is of a fan-shaped structure as a whole. The bottom edge of the first swing frame is fixedly connected with the pedal, and the circle center of the first swing frame is superposed with the top point C of the first swing frame and is rotatably connected with the top point C. A plurality of adjusting holes 310 are formed on the arc-shaped outer edge of the second adjusting member 31, and the distance between each adjusting hole 310 and the vertex C is equal. The first pedal 3 is fixedly connected with the bottom edge of the second adjusting component 31 and is rotatably connected with the outer end of the first swinging frame BC rod.

Different adjusting holes 310 are set to connect with the vertex D of the first swing frame 1, so that the angle between the first pedal 3 and the horizontal direction can be adjusted.

Generally, the first pedal and the second pedal adopt the same horizontal direction adjustment structure, for example, both adopt the fan-shaped structure of the second adjustment member 31.

The reciprocating pedal type rickshaw power transmission device disclosed by the embodiment of the application has the advantages that the structure is simple and reasonable, the up-and-down stepping motion of personnel can be converted into continuous rotation of the wheel disc, the rickshaw is driven to move forwards, the pedals are always kept in a nearly horizontal state in the stepping process, a rider of convenience in stepping can ride the rickshaw conveniently, the reciprocating pedal type rickshaw power transmission device can be applied to rickshaws such as three-wheeled rickshaw and two-wheeled rickshaw, and the riding efficiency can be improved.

The technical solutions and the technical details disclosed in the embodiments of the present application are only examples to illustrate the inventive concept of the present application, and do not constitute a limitation on the technical solutions of the present application, and all the inventive changes, substitutions or combinations that do not create any inventive idea of the technical details disclosed in the present application are the same as the present application and are within the protection scope of the claims of the present application.

Claims (10)

1. Step on formula rickshaw power transmission device from top to bottom, its characterized in that, this power transmission device includes:

the wheel disc (7) is arranged and installed on a frame body of the manpower vehicle, and a first rotating shaft (710) and a second rotating shaft (720) are fixedly connected to two sides of the wheel disc (7) respectively;

the four-point swinging frame comprises a quadrilateral first swinging frame (1), two opposite side frames of which are parallel to each other and are rotatably connected at four vertex parts; the first swing frame (1) is vertically arranged, one vertical frame of the first swing frame is fixedly connected to the frame body of the manpower vehicle, and the other vertical frame of the first swing frame swings in a reciprocating manner along the arrangement direction of the first swing frame under the action of external force;

a quadrilateral second swing frame (2), two opposite side frames of which are parallel to each other and are rotatably connected at four vertex positions; the second swinging frame (2) is vertically arranged, one vertical frame of the second swinging frame is fixedly connected to the frame body of the manpower vehicle, and the other vertical frame of the second swinging frame is arranged to swing back and forth along the arrangement direction of the second swinging frame under the action of external force;

the first pedal (3) is fixedly connected with the swinging end of the first swinging frame (1);

the second pedal (4) is fixedly connected with the swinging end of the second swinging frame (2);

a first transmission member (5) having one end connected to the first rotating shaft (710) and the other end connected to the swing end of the first swing frame (1);

a second transmission component (6), one end of which is connected with the second rotating shaft (720), and the other end of which is connected with the swinging end of the second swinging frame (2);

the up-and-down stepping action is performed on the first pedal (3) and the second pedal (4) to drive the first swing frame (1) and the second swing frame (2) to swing up and down in a reciprocating manner, so that the wheel disc (7) is driven to rotate.

2. The power transmission device of an up-down stepping rickshaw according to claim 1, characterized in that the first pedal (3) is fixedly connected with the vertical frame of the swing end of the first swing frame (1), and the second pedal (4) is fixedly connected with the vertical frame of the swing end of the second swing frame (2).

3. The power transmission device of a step-up and step-down type human powered vehicle according to claim 1, wherein the first transmission member (5) is provided in connection with an upper lateral frame of the first swing frame (1), and the second transmission member (6) is provided in connection with an upper lateral frame of the second swing frame (2).

4. A power transmission device for a walk-up rickshaw according to claim 1, characterized in that said first transmission member (5) is provided rotatably connected to said first swing frame (1), and said second transmission member (6) is provided rotatably connected to said second swing frame (2).

5. A power transmission device for a walk-up rickshaw according to claim 1, wherein a connecting portion of the first transmission member and the swing end of the first swing frame is adjustable, and a connecting portion of the second transmission member and the swing end of the second swing frame is adjustable.

6. The power transmission device of a step-up and step-down human powered vehicle according to claim 1, wherein the first transmission member (5) is a transmission rod, a transmission chain or a transmission rope; the second transmission part (6) is a transmission rod, a transmission chain or a transmission rope.

7. The power transmission device of an up-down stepping rickshaw as claimed in claim 1, wherein the rotating shaft of the wheel disc is a crank shaft, the crank shaft is fixedly connected with a first crank and a second crank, the first rotating shaft is arranged at the end of the first crank, and the second rotating shaft is arranged at the end of the second crank.

8. An up-down stepping manpower vehicle power transmission device according to claim 1, wherein a first turntable and a second turntable are respectively disposed on two sides of the wheel disc and coaxially disposed and fixedly connected with the wheel disc, the first rotating shaft is fixedly connected to the outer periphery of the first turntable, the second rotating shaft is fixedly connected to the outer periphery of the second turntable, and two perpendicular projections of the first rotating shaft and the second rotating shaft on the wheel disc are aligned with the central axis of the wheel disc.

9. A power transmission device for a walk-up rickshaw according to claim 3, wherein an upper lateral frame end of said first swing frame is extended out of a parallelogram of the first swing frame, and said first transmission member is provided in connection with an end of said upper lateral frame; the end part of the upper transverse frame of the second swing frame extends out of the parallelogram of the second swing frame, and the second transmission part is arranged and connected with the end part of the upper transverse frame.

10. A rickshaw characterized by comprising the power transmission device of a step-up and step-down rickshaw according to any one of claims 1 to 9.

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