CN214216059U - Reciprocating pedal type manpower vehicle power transmission device and manpower vehicle - Google Patents
Reciprocating pedal type manpower vehicle power transmission device and manpower vehicle Download PDFInfo
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- CN214216059U CN214216059U CN202120026614.2U CN202120026614U CN214216059U CN 214216059 U CN214216059 U CN 214216059U CN 202120026614 U CN202120026614 U CN 202120026614U CN 214216059 U CN214216059 U CN 214216059U
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Abstract
A power transmission device for a reciprocating pedal-type human powered vehicle, comprising: the two sides of the wheel disc are respectively fixedly connected with a first rotating shaft and a second rotating shaft; the swing shaft is positioned in front of the wheel disc, a first swing rod and a second swing rod are respectively arranged at two ends of the swing shaft, the first swing rod is rotatably connected with the swing shaft and is set to swing by taking the swing shaft as a circle center, and the second swing rod is rotatably connected with the swing shaft and is set to swing by taking the swing shaft as a circle center; 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 rod; 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 rod; the first pedal is connected with the swinging end of the first swinging rod and drives the first swinging rod to swing forwards; the second pedal is connected with the swinging end of the second swinging rod and drives the second swinging rod to swing forwards; the two swinging rods respectively complete one-time swinging forward to drive the wheel disc to rotate forward for one circle.
Description
Technical Field
The application belongs to the technical field of rickshaw, and particularly relates to a reciprocating pedaling type rickshaw power transmission device and a rickshaw.
Background
The power of the manpower bicycle is from the pedal force of the person, the manpower bicycle is driven to move forwards by the continuous rotation of the pedal of the rider around the wheel disc, the distance of the circular motion of the pedal is long, and the manpower utilization rate is low and the efficiency is not high. Especially on a lying type bicycle, if the bicycle is continuously ridden along the circumference of the wheel disc of the traditional bicycle, the up-and-down movement of the two legs is not only more strenuous, but also the riding speed is slower.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above-mentioned technical problems of the prior art, an embodiment of the present application discloses a power transmission device for a reciprocating pedaling type human powered vehicle, the power transmission device comprising:
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 swing shaft is arranged and installed on the frame body of the manpower vehicle and positioned in front of the wheel disc, a first swing rod and a second swing rod are respectively arranged at two ends of the swing shaft, the lower end part of the first swing rod is rotatably connected with the swing shaft, the first swing rod is arranged to swing by taking the swing shaft as the circle center, the lower end part of the second swing rod is rotatably connected with the swing shaft, and the second swing rod is arranged to swing by taking the swing shaft as the circle center;
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 rod;
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 rod;
the first pedal is connected with the swinging end of the first swinging rod and used for driving the first swinging rod to swing forwards;
the second pedal is connected with the swinging end of the second swinging rod and used for driving the second swinging rod to swing forwards;
the first pedal and the second pedal are treaded in a reciprocating mode, the first swinging rod and the second swinging rod are driven to swing in a reciprocating mode, and the wheel disc is driven to rotate.
Some embodiments disclose the power transmission device of the reciprocating pedal type human power vehicle, wherein the swing range of the first swing lever is always located within the range of 90 degrees above the vertical plane of the swing shaft, and the swing range of the second swing lever is always located within the range of 90 degrees above the vertical plane of the swing shaft.
Some embodiments disclose a power transmission device for a reciprocating pedal-type human powered vehicle, wherein the first transmission member 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 a power transmission device for a reciprocating pedal-type rickshaw, wherein a rotating shaft of a 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.
In the reciprocating pedal type manpower vehicle power transmission device disclosed in some embodiments, the two sides of the wheel disc are respectively provided with a first rotating disc and a second rotating disc which are coaxially arranged and fixedly connected with the wheel disc, the first rotating shaft is fixedly connected to the periphery of the first rotating disc, and the second rotating shaft is fixedly connected to the periphery of the second rotating disc. 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.
Some embodiments disclose the reciprocating pedal type power transmission device for the rickshaw, wherein the included angle between the first swinging rod and the second swinging rod is not more than 90 degrees all the time in the swinging process.
In another aspect, some embodiments disclose a human powered vehicle including a reciprocating pedaling human powered vehicle power transmission apparatus as disclosed in embodiments of the present application.
Some embodiments disclose the rickshaw, including three-wheeled rickshaw, two-wheeled rickshaw.
The reciprocating pedal type manpower vehicle power transmission device disclosed by the embodiment of the application has the advantages that the structure is simple and reasonable, the reciprocating pedal action of a person can be converted into continuous rotation of the wheel disc, the manpower vehicle is driven to move forwards, the reciprocating pedal type manpower vehicle power transmission device can be applied to the manpower vehicles such as a three-wheel manpower vehicle and a two-wheel manpower vehicle, and the riding efficiency can be improved.
Drawings
FIG. 1 embodiment 1 is a schematic structural view of a power transmission device of a reciprocating pedal-type human powered vehicle
FIG. 2 embodiment 2 is a schematic view showing an operation state of a power transmission device of a reciprocating pedal type human powered vehicle
FIG. 3 example 3 wheel disc set-up schematic
FIG. 4 embodiment 4 schematic wheel set-up
FIG. 5 schematic view of embodiment 5 three-wheeled rickshaw
Reference numerals
1 oscillating axle 3 wheel disc
21 first swing lever 22 second swing lever
31 first 32 second turntable
33 first crank 34 second crank
41 first transmission member 42 second transmission member
51 first pedal 52 second pedal
320 wheel disc rotation shaft 311 first rotation shaft
321 middle beam of tricycle with second rotating shaft 100
101 tricycle rear wheel 102 tricycle front wheel
103 tricycle seats 104, 105 tricycle steering parts
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.
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 for a reciprocating-type human powered vehicle includes:
the wheel disc is arranged on a frame body of the manpower vehicle frame, the middle part of the frame body is close to the right side of the middle beam, and a first rotating shaft and a second rotating shaft are fixedly connected to the two sides of the wheel disc respectively. Generally, the first rotating shaft and the second rotating shaft are symmetrically arranged on two sides of the rotating shaft of the wheel disc, and the first rotating shaft and the second rotating shaft are respectively vertically arranged on the side surface of the wheel disc and are 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 swinging shaft is arranged at the foremost end of the manpower frame and positioned in front of the wheel disc; the two ends of the swinging shaft are respectively provided with a first swinging rod and a second swinging rod. The lower end part of the first swing rod is rotatably connected with the swing shaft, the first swing rod is arranged to swing by taking the swing shaft as a circle center, the lower end part of the second swing rod is rotatably connected with the swing shaft, and the second swing rod is arranged to swing by taking the swing shaft as a circle center; the first swinging rod and the second swinging rod are rigid components and are arranged on a swinging shaft to form a symmetrical structure; the first swinging rod is connected with the swinging shaft, one end of the first swinging rod is downward in the normal direction and can be called as a lower end part, the other end of the first swinging rod is upward in the normal direction and can be called as an upper end part, and meanwhile, the upper end part is in reciprocating swinging motion by taking the swinging shaft as the center of a circle, so the first swinging rod can also be called as a swinging end; one end of the second swinging rod connected with the swinging shaft is usually downward in direction and can be called as a lower end part, the other end of the second swinging rod is upward in direction and can be called as an upper end part, and meanwhile, the upper end part usually makes reciprocating swinging motion by taking the swinging shaft as a circle center, so the second swinging rod can also be called as a swinging end; usually, the swinging range of the first swinging rod or the second swinging rod is positioned in the front upper area of the swinging shaft and swings back and forth in the range of 90 degrees, thus being beneficial to reducing useless work and improving the pedaling efficiency. The first swing rod and the second swing rod are equal in length, opposite in moving direction in the reciprocating swing process, and same in swing amplitude and range;
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 rod; usually, the first transmission part is a rigid connecting piece, and can completely transmit the movement of the first swinging rod to the first rotating shaft, the first transmission part is rotatably connected with the first rotating shaft, and the first transmission part is rotatably connected with the first swinging rod, so that the swinging motion of the first swinging rod is transmitted to the first rotating shaft and converted into the rotation of the wheel disc;
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 rod; the second transmission part is a rigid connecting piece, can completely transmit the movement of the second swinging rod to the second rotating shaft, is rotatably connected with the second rotating shaft, and is rotatably connected with the second swinging rod, so that the swinging motion of the second swinging rod is transmitted to the second rotating shaft and is converted into the rotation of the wheel disc; typically the first transmission member is of equal length to the second transmission member.
The first pedal is connected with the swinging end of the first swinging rod and used for driving the first swinging rod to swing forwards; usually, the first pedal is rotatably connected with the swinging end of the first swinging rod, and the angle between the first pedal and the swinging end of the first swinging rod can be automatically adjusted at any time, so that a person can conveniently pedal the first pedal to drive the first swinging rod to move, and the first swinging rod can swing; as an optional embodiment, the distance between the first pedal and the swinging end is adjustable, the first pedal is connected with the swinging end by a length-adjustable component, and the distance between the first pedal and the swinging end is adjusted so as to adjust the stroke distance of the first pedal, so that the requirements of different persons are met, for example, the height of the first pedal can be adjusted by persons with different leg lengths according to the self condition, and the riding comfort is improved;
the second pedal is connected with the swinging end of the second swinging rod and used for driving the second swinging rod to swing forwards; usually, the second pedal is rotatably connected with the swinging end of the second swinging rod, and the angle between the second pedal and the swinging end of the second swinging rod can be adjusted at any time, so that a person can conveniently pedal the second pedal to drive the second swinging rod to move, and the swinging of the second swinging rod is realized; as an optional embodiment, the distance between the second pedal and the swinging end is set to be properly adjustable, the second pedal is connected with the swinging end by a length-adjustable component, and the distance between the second pedal and the swinging end is adjusted so as to adjust the stroke distance of the second pedal, so that the requirements of different persons are met, for example, the height of the second pedal can be adjusted by persons with different leg lengths according to the self condition, and the riding comfort is improved;
the first pedal and the second pedal are stepped on in a reciprocating mode, the first swing rod and the second swing rod are driven to swing in a reciprocating mode, swing motion is converted into rotation of the wheel disc through the first connecting component and the second connecting component, the wheel disc is driven to rotate, and finally the rickshaw is driven to move forwards.
As an alternative embodiment, the swing range of the first swing rod is always positioned within the range of 90 degrees above the front of the vertical plane of the swing shaft, and the swing range of the second swing rod is always positioned within the range of 90 degrees above the front of the vertical plane of the swing shaft.
Usually, the included angle between the first swinging rod and the second swinging rod does not exceed 90 degrees. Such as 45 degrees, 60 degrees, 70 degrees, 80 degrees, etc.
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 and fixedly connected in parallel are respectively arranged on two sides of the wheel disc. The first rotating shaft is fixedly connected to the periphery of the first rotating disc and is vertically and fixedly connected with the first rotating disc; the second rotating shaft is fixedly connected on the periphery of the second rotating disc and is vertically and fixedly connected with the second rotating disc.
As an alternative embodiment, the swing shaft is arranged and installed on a middle beam of the manpower tricycle. Usually, the front and rear wheels of the manual tricycle are connected and fixed with each other through a middle beam, the middle beam is a core framework component of a frame body of the manual tricycle, and the swinging shaft can be arranged and fixed at the foremost part of the middle beam.
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 reciprocating pedaling type rickshaw power device disclosed by the embodiment of the application can be arranged and installed on a rickshaw to serve as a power transmission device of the rickshaw, and the reciprocating pedaling action of personnel drives the rickshaw to move forwards.
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 for a reciprocating pedal-type human powered vehicle disclosed in embodiment 1.
In embodiment 1, a power transmission device for a reciprocating human powered vehicle, comprising:
the wheel disc 3, the central part of wheel disc 3 is provided with wheel disc pivot 320, and the both ends of wheel disc pivot 320 respectively set up and are connected with a crank. The outer ends of the two cranks are fixedly connected with the first rotating shaft 311 and the second rotating shaft 321 respectively.
The swing shaft 1 is located in front of the wheel disc 3, and a first swing lever 21 and a second swing lever 22 are respectively arranged at two ends of the swing shaft 1. The lower end part of the first swing rod 21 is rotatably connected with the swing shaft 1, the first swing rod 21 swings with the swing shaft 1 as the center of circle, the lower end part of the second swing rod 22 is rotatably connected with the swing shaft 1, and the second swing rod 22 swings with the swing shaft 1 as the center of circle;
a first transmission member 41 having one end connected to the first rotating shaft 311 and the other end connected to the swing end of the first swing lever 21, the end of the first swing lever 21 being connected to a first pedal 51; the forward pedaling of the first pedal 51 can drive the swinging end of the first swinging rod 21 to swing forward;
a second transmission member 42, one end of which is connected to the second rotating shaft 321, the other end of which is connected to the swing end of the second swing lever 22, and the end of the second swing lever 22 is connected to a second pedal 52; the second pedal 52 is pressed forward to drive the swinging end of the second swinging rod 22 to swing forward;
the first swing lever 21 and the second swing lever 22 drive the first transmission member 41 and the second transmission member 42 to continuously reciprocate back and forth during the alternate reciprocating swing process, and drive the pulley 3 to continuously rotate.
Example 2
Fig. 2 is a schematic view showing an operation state of the power transmission device of the reciprocating pedal-type human powered vehicle disclosed in embodiment 2.
The power transmission device for a reciprocating human powered vehicle disclosed in embodiment 2 includes:
the rotary table comprises a wheel disc 3, wherein a wheel disc rotating shaft 320 is arranged at the central part of the wheel disc 3, two cranks are respectively arranged and connected at two ends of the wheel disc rotating shaft 320, and a first rotating shaft 311 and a second rotating shaft 321 are respectively arranged at two sides of the wheel disc 3 and are respectively fixedly connected with the end parts of the two cranks;
the swing shaft 1 is positioned in front of the wheel disc 3, a first swing rod 21 and a second swing rod 22 are respectively arranged at two ends of the swing shaft 1, the first swing rod 21 is rotatably connected with the swing shaft 1 and is set to swing by taking the swing shaft 1 as a circle center, and the second swing rod 22 is rotatably connected with the swing shaft 1 and is set to swing by taking the swing shaft 1 as a circle center;
a first transmission member 41 having one end connected to the first rotating shaft 311 and the other end connected to the swing end of the first swing lever 21, the end of the first swing lever 21 being connected to a first pedal 51; the forward pedaling of the first pedal 51 can drive the swinging end of the first swinging rod 21 to swing forward;
a second transmission member 42, one end of which is connected to the second rotating shaft 321, the other end of which is connected to the swing end of the second swing lever 22, and the end of the second swing lever 22 is connected to a second pedal 52; the second pedal 52 is pressed forward to drive the swinging end of the second swinging rod 22 to swing forward;
wherein the axis of oscillation 1 is located at the horizontal plane L1L2The vertical plane of the inner swing shaft 1 is V1V2Plane, horizontal plane L1L2To the vertical plane V1V2Dividing the area in the graph into four parts, wherein the angle range of the area where each part is located is 90 degrees; with the swing shaft 1 as the center and the front upper region as V1OL1The rear upper region is V1OL2Front lower region is V2OL1Rear lower region is V2OL2；
The swinging area of the first and second swinging levers 51 and 52 is generally V1OL1(ii) a The first swinging lever 51 is at the highest position, and is in contact with the vertical plane V1V2The angle between the first swing lever 51 and the horizontal plane L is greater than 0 degree, and the first swing lever is at the lowest position1L2The included angle between the first swing rod 51 and the second swing rod is greater than 0 degree, and the included angle between the highest position and the lowest position of the first swing rod 51 is not greater than 90 degrees; the second swing lever 52 is at the uppermost position, and is located at the vertical plane V1V2The angle between the second swing lever 52 and the horizontal plane L is greater than 0 degree, and the second swing lever is at the lowest position1L2The included angle between the two swing rods is greater than 0 degree, and the included angle between the highest position and the lowest position of the second swing rod 52 is not greater than 90 degrees; the angle between the first swing lever 51 and the second swing lever 52 is typically α, which is between 0 and 90 degrees.
In the present embodiment 2, the turntable rotating shaft 320 is positioned on the horizontal plane L1L2Above; in general, the roulette rotation shaft 320 may be disposed at the horizontal plane L1L2Inside, or below.
The power transmission device operation process of embodiment 2 includes: the first pedal 51 is driven to drive the first swing rod 21 to swing forwards, meanwhile, the wheel disc 3 is driven to rotate through the first transmission component 41, and the second pedal 52 is driven to swing backwards through the second transmission component 42; when the first swing rod 21 swings forwards to the lowest position, the second swing rod 22 reaches the highest position, at this time, the second pedal 52 can be driven to drive the second swing rod 22 to swing forwards, meanwhile, the pulley disc 3 is driven to rotate through the second transmission component 42, and the first pedal 51 swings backwards under the driving of the first transmission component 41; in the process of the alternate reciprocating swing of the first transmission component 41 and the second transmission component 42, the first transmission component and the second transmission component are driven to continuously reciprocate back and forth, and the pulley disc 3 is driven to continuously rotate. The swinging directions of the first swinging lever 21 and the second swinging lever 22 are always opposite as shown by the broken line arrows in fig. 2.
Example 3
Fig. 3 is a schematic view of the wheel disc arrangement disclosed in embodiment 3.
In embodiment 3, rim plate 3 is discoid structure, is provided with the teeth of a cogwheel with rickshaw drive chain looks adaptation on its outer circumference, and rim plate 3 sets up the installation and fixes on rim plate pivot 320, is provided with a first carousel 31 and links firmly with rim plate pivot 320 in the left side of rim plate 3. The right side of the wheel disc 3 is provided with a second rotating disc 32 fixedly connected with a wheel disc rotating shaft 320. First pivot 311 sets up and links firmly in the topmost position outside of first carousel 31, and second pivot 321 sets up and links firmly in the lowest tip position outside of second carousel 32, promptly, the position of setting up of first pivot 311 and the position symmetric distribution that sets up of second pivot 321 are in the both sides of rim plate pivot, and first pivot 311, second pivot 321 and rim plate pivot 320 are parallel to each other, and first carousel 31, second carousel 32 are parallel to each other with rim plate 3.
The first rotary disc 31 and the second rotary disc 32 are driven by the first rotating shaft 311 and the second rotating shaft 321, respectively, to rotate, and the synchronous rotary disc 3 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 3 is a disc-shaped structure and is fixedly mounted on the wheel disc rotating shaft 320, the left side of the wheel disc 3 is provided with a first crank 33 fixedly connected with the wheel disc rotating shaft 320, the right side of the wheel disc 3 is provided with a second crank 34 fixedly connected with the wheel disc rotating shaft 320, an included angle between the first crank 33 and the second crank 34 is 180 degrees, the first rotating shaft 311 is connected to the outer side of the end portion of the first crank 33, and the first rotating shaft 311 is provided with a rotating bearing; the second rotating shaft 321 is connected to the outer side of the end of the second crank 34, and a rotating bearing is arranged on the second rotating shaft 321; that is, the installation position of the first rotating shaft 311 and the installation position of the second rotating shaft 321 are symmetrically distributed on both sides of the wheel disc rotating shaft 320, and the first rotating shaft 311, the second rotating shaft 321 and the wheel disc rotating shaft 320 are parallel to each other and perpendicular to the wheel disc.
The first crank 33 and the second crank 34 are driven by the first rotating shaft 311 and the second rotating shaft 321, respectively, to rotate, and synchronously drive the rotary disc 3 to rotate.
Example 5
Fig. 5 is a schematic view of a three-wheeled human powered vehicle disclosed in embodiment 5. Example of the
In embodiment 5, the three-wheeled rickshaw comprises two front tricycle wheels 102 arranged at the front and a rear tricycle wheel 101 arranged at the rear, wherein the front tricycle wheels 102 and the rear tricycle wheel 101 are both arranged and mounted on a tricycle frame; the tricycle frame comprises a tricycle middle beam 100 arranged at the central part;
the wheel disc 3 is connected to the right side of the middle beam 100 of the tricycle through the rotating shaft arrangement of the wheel disc. The center sill 100 of the tricycle extends forward and its front end is bent downward. The front end downward bending part of the tricycle middle beam 100 is provided with a swinging shaft 1 which is horizontally arranged and is vertical to the tricycle middle beam 100. Both ends of the swing shaft 1 are vertically and rotatably connected to the lower ends of the first swing lever 21 and the second swing lever 22, respectively, via bearings (not shown) connected to each other. The swinging ends of the first swinging rod 21 and the second swinging rod 22 are respectively provided with a first pedal 51 and a second pedal 52;
a tricycle seat 103 is arranged on the tricycle frame body and is positioned above the wheel disc 3; the frame body near the front wheel 102 of the tricycle is provided with tricycle steering components 104 and 105 which are respectively arranged at the left side and the right side and are used for being held by a person and controlling the direction.
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 reciprocating pedal action of personnel can be converted into continuous rotation of the wheel disc, the rickshaw is driven to move forwards, the reciprocating pedal type rickshaw power transmission device can be applied to rickshaws such as three-wheel rickshaws and two-wheel rickshaws, 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 (8)
1. A power transmission device for a reciprocating pedal-type human powered vehicle, comprising:
the wheel disc (3) is arranged and installed on the frame body of the manpower vehicle, and a first rotating shaft (311) and a second rotating shaft (321) are fixedly connected to the two sides of the wheel disc respectively;
the swing shaft (1) is arranged and mounted on a human-powered vehicle frame body and located in front of the wheel disc (3), a first swing rod (21) and a second swing rod (22) are arranged at two ends of the swing shaft (1) respectively, the lower end of the first swing rod (21) is rotatably connected with the swing shaft (1), the first swing rod (21) swings around the swing shaft (1), the lower end of the second swing rod (22) is rotatably connected with the swing shaft (1), and the second swing rod (22) swings around the swing shaft (1);
a first transmission member (41) having one end connected to the first rotating shaft (311) and the other end connected to the swing end of the first swing lever (21);
a second transmission component (42), one end of which is connected with the second rotating shaft (321), and the other end of which is connected with the swinging end of the second swinging rod (22);
the first pedal (51) is connected with the swinging end of the first swinging rod (21) and is used for driving the first swinging rod (21) to swing forwards;
the second pedal (52) is connected with the swinging end of the second swinging rod (22) and is used for driving the second swinging rod (22) to swing forwards;
the first pedal (51) and the second pedal (52) are stepped on in a reciprocating mode, the first swing rod (21) and the second swing rod (22) are driven to swing in a reciprocating mode, and the wheel disc (3) is driven to rotate.
2. A reciprocating pedaling human powered vehicle power transmission apparatus as defined in claim 1, wherein the swinging range of said first swinging lever (21) is always located within 90 degree angle range in front of and above the vertical plane of said swinging shaft (1), and the swinging range of said second swinging lever (22) is always located within 90 degree angle range in front of and above the vertical plane of said swinging shaft (1).
3. A reciprocating pedaling human powered vehicle power transmission apparatus as defined in claim 1, wherein said first transmission member (41) is a transmission rod, a transmission chain or a transmission rope; the second transmission component (42) is a transmission rod, a transmission chain or a transmission rope.
4. A reciprocating pedal-type rickshaw power transmission device as claimed in claim 1, wherein said rotary shaft of said wheel disc is a crank shaft, said crank shaft is fixedly connected with a first crank and a second crank, said first rotary shaft is arranged at an end of said first crank, said second rotary shaft is arranged at an end of said second crank.
5. A reciprocating pedal type manpower vehicle power transmission device as claimed in claim 1, wherein the two sides of the wheel disc are respectively provided with a first rotary disc and a second rotary disc coaxially arranged and fixedly connected with the wheel disc, the first rotary shaft is fixedly connected to the periphery of the first rotary disc, the second rotary shaft is fixedly connected to the periphery of the second rotary disc, and two perpendicular projections of the first rotary shaft and the second rotary shaft on the wheel disc are on the same straight line with the central shaft of the wheel disc.
6. A reciprocating pedal-type human powered vehicle power transmission device as claimed in claim 1, wherein the angle between the first and second swinging levers does not exceed 90 degrees throughout the swinging process.
7. A human-powered vehicle comprising the power transmission device of a reciprocating human-powered vehicle according to any one of claims 1 to 6.
8. The human powered vehicle of claim 7 wherein the human powered vehicle comprises a three wheeled human powered vehicle, a two wheeled human powered vehicle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120026614.2U CN214216059U (en) | 2021-01-07 | 2021-01-07 | Reciprocating pedal type manpower vehicle power transmission device and manpower vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120026614.2U CN214216059U (en) | 2021-01-07 | 2021-01-07 | Reciprocating pedal type manpower vehicle power transmission device and manpower vehicle |
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| CN214216059U true CN214216059U (en) | 2021-09-17 |
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| CN202120026614.2U Active CN214216059U (en) | 2021-01-07 | 2021-01-07 | Reciprocating pedal type manpower vehicle power transmission device and manpower vehicle |
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| CN (1) | CN214216059U (en) |
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