CN105179629A - Planet crankshaft transmission mechanism and bicycle - Google Patents
Planet crankshaft transmission mechanism and bicycle Download PDFInfo
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- CN105179629A CN105179629A CN201510444480.5A CN201510444480A CN105179629A CN 105179629 A CN105179629 A CN 105179629A CN 201510444480 A CN201510444480 A CN 201510444480A CN 105179629 A CN105179629 A CN 105179629A
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- gear
- center line
- described left
- crankshaft
- axle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M15/00—Transmissions characterised by use of crank shafts and coupling rods
Abstract
A planet crankshaft transmission mechanism comprises a machine body, a crankshaft, a left crankshaft gear, a left inner gear ring, a right crankshaft gear, a right inner gear ring, a piston, a left supporting arm, a right supporting arm, a left supporting shaft and a right supporting shaft; the crankshaft penetrates the left crankshaft gear and the right crankshaft gear and is fixedly mounted; the left crankshaft gear and the right crankshaft gear are meshed with the left inner gear ring and the right inner gear ring which are fixed to the machine body respectively; the crankshaft can be rotatably mounted on an eccentric hole of the left supporting arm and an eccentric hole of the right supporting arm; due to the distance between the eccentric hole axes of the left supporting arm and the right supporting arm and central axis holes of the left supporting arm and the right supporting arm, the eccentric holes and the central axis holes have the external divergence relation; the left supporting arm and the right supporting arm are rotatably mounted on the left supporting shaft and the right supporting shaft through the middle axes; the left supporting shaft and the right supporting shaft are mounted on the machine body; and the piston is rotatably mounted on a crank throw of the crankshaft. The planet crankshaft transmission saves energy, and is environment-friendly, durable, low in maintenance cost and quite suitable for the condition that the stroke of the piston is large.
Description
This application claims and submit on December 09th, 2014 preference that Patent Office of the People's Republic of China, application number are 201410749272.1, denomination of invention is the Chinese patent application of " planetary crankshaft driving mechanism and bicycle " to, its full content combines in this application by reference.
Technical field
The present invention relates to driving mechanism, especially planetary crankshaft driving mechanism; The present invention provides the bicycle using planetary crankshaft driving mechanism simultaneously.
Background technique
In traditional internal-combustion engine, be all the rotary motion by connecting rod, the to-and-fro motion of piston being converted to bent axle usually, and then by the corresponding moving element of this crank-driven, external outputting power.In traditional compressor, be also the to-and-fro motion by connecting rod, the rotary motion of bent axle being converted to piston, the air in countercylinder compresses.But, because this brace and connecting rod framework exists open defect: internal-combustion engine and compressor is bulky, heavy and balance quality is poor.Therefore, those skilled in the art instead of connecting rod with the circular rotating block with eccentric opening afterwards.This mechanism makes the conversion between to-and-fro motion and rotary motion be simplified, and adopt the internal-combustion engine of this switching mechanism and compressor to decline relative to traditional internal-combustion engine and compressor volume, weight saving, and balance is good.But find according to current application, also there is the open defect that cannot overcome in the mechanism adopting the circular rotating block with eccentric opening to replace connecting rod, show: the internal-combustion engine and the compressor that use this structure, stroke of piston can not be done too much, otherwise the circular rotating block radius with eccentric opening also can become larger accordingly, cause frictional work consumption larger, cause that internal combustion energy output rating is lower or compressor energy utilization rate is lower, and can cause bearing part badly damaged, reduce its working life.
Summary of the invention
For solving the serious limited piston length of stroke of the circular rotating block mechanism at present with eccentric opening, and in the larger situation of stroke of piston, existing not energy-conservation, not environmentally with the technical problem of fragile bearing part, the invention provides a kind of planetary crankshaft driving mechanism.
The technical solution used in the present invention is as follows:
The application provides a kind of planetary crankshaft driving mechanism, comprises body, bent axle, left crankshaft gear, left inside gear ring, right crankshaft gear, right inside gear ring, and piston also comprises left support arm, right support arm, left support axle and right support axle;
Described bent axle comprises left axle journal, right axle journal and crank throw, described left axle journal through described left crankshaft gear and with its fixed installation, described right axle journal through described right crankshaft gear and with its fixed installation; Described left crankshaft gear and described right crankshaft gear engage with the described left inside gear ring be fixed on body and described right inside gear ring respectively;
The part that described left axle journal passes from described left crankshaft gear, on the rotatable eccentric opening being installed on described left support arm; The part that described right axle journal passes from described right crankshaft gear, on the rotatable eccentric opening being installed on described right support arm; The eccentric opening axis of described left support arm and right support arm and the distance between described left support arm and the medial axis axis hole of right support arm, make described eccentric opening and medial axis axis hole for outer from relation;
Described left support arm and described right support arm are arranged on described left support axle and described right support axle so that its medial axis is rotatable; Described left support axle and described right support axle are installed on described body respectively; The crank throw that described piston is rotatably installed on described crank throw by the crankshaft hole of one end turns on neck.
Optionally, the distance that described left journal axis and described crank throw crank throw turn the distance of neck center line, described left journal axis and the distance of described left support shaft centre line, described right journal axis and described crank throw turn neck center line and described right journal axis all equal with the distance of described right support shaft centre line.
Optionally, described left crankshaft gear is identical with the number of teeth of described right crankshaft gear, and described left inside gear ring is identical with the number of teeth of described right inside gear ring, and the gear ratio of described left crankshaft gear and described left inside gear ring is 1:2.
Optionally, described left axle journal through described left crankshaft gear and with its fixed installation, and described right axle journal is through described right crankshaft gear in structure hard-wired with it, described hard-wired mode is the hot mounting type by positioning key mode or interference fit.
Optionally, described left support axle and/or described right support shaft portion stretch out outside described body, described extension forms the gear teeth, described left support axle is fixedly connected with described left support arm, and/or described right support axle is fixedly connected with described right support arm, described left support axle and/or described right support axle are connected by bearing with described body.
Optionally, described left support arm and/or described right support arm circumferential profile are circular, and form the gear teeth, and center line is all positioned on the center line of described left support axle or described right support axle.
Optionally, described left support arm and/or right support arm engage respectively with same rooted tooth wheel shaft.
Optionally, described left support arm and/or described right support arm are the rotor of generator or motor.
Optionally, described bent axle comprises counterweight structure.
Optionally, described left support arm and/or described right support arm comprise counterweight structure.
The application also provides a kind of planetary crankshaft driving mechanism, comprises left bent axle, Left Drive gear, left inside gear ring, left-handed pivoted arm, right bent axle, right driving gear, right inside gear ring, dextrorotation pivoted arm, main shaft and sprocket wheel;
Described left bent axle comprises left bent neck and left crank throw, described left bent neck is fixedly installed in described Left Drive gear hub, described Left Drive gear engages with described left inside gear ring, described left inside gear ring is fixedly installed on body, described left-handed pivoted arm one end and described Left Drive gear hub are rotatably connected, and the other end is fixedly installed on described main shaft left end;
Described right bent axle comprises right bent neck and right crank throw, described right bent neck is fixedly installed on described right driving gear wheel shaft, described right driving gear engages with described right inside gear ring, described right inside gear ring is fixedly installed on body, described dextrorotation pivoted arm one end and described right driving gear wheel shaft are rotatably connected, and the other end is fixedly installed on described main shaft right-hand member;
Described main shaft is rotatably installed on described vehicle frame;
Described sprocket wheel is connected with described main shaft, drives underdrive at described main shaft.
Optionally, described sprocket wheel is fixedly installed on described main shaft.
Optionally, described sprocket wheel is rotatable to be installed in described frame, and described main shaft is installed with the first tumbler gear, described sprocket wheel is coaxially fixedly connected with the second tumbler gear, described first tumbler gear and described second tumbler gear engagement.
Optionally, described Left Drive gear and described right driving gear are arranged relative to described main shaft center line Central Symmetry.
Optionally, the center line of described main shaft, the center line of described left inside gear ring overlap with center line three line of described right inside gear ring, the rotation axis of described left bent neck overlaps with the center line of described Left Drive gear, and the rotation axis of described right bent neck overlaps with the center line of described right driving gear.
Optionally, described left bent neck center line and left crank throw turn the distance of neck center line, the distance of described left bent neck center line and described main shaft center line, described right bent neck center line and right crank throw turn the distance of neck center line, and the distance of described right bent neck center line and described main shaft center line is all equal.
Optionally, described left bent neck center line and left crank throw turn the distance of neck center line, equal with the distance that described right bent neck center line and right crank throw turn neck center line, the distance of described left bent neck center line and described main shaft center line, equal with the distance of described right bent neck center line and described main shaft center line, the distance that described left bent neck center line and left crank throw turn neck center line is greater than the distance of described left bent neck center line and described main shaft center line.
Optionally, described Left Drive gear is identical with the number of teeth of described right driving gear, and described left inside gear ring is identical with the number of teeth of described right inside gear ring, and the gear ratio of described Left Drive gear and described left inside gear ring is 1:2.
Optionally, described left-handed pivoted arm connects described Left Drive gear one end and forms Left Drive gear pilot hole, be installed on described left bent neck by bearing, described dextrorotation pivoted arm connects described right driving gear one end and forms right driving gear pilot hole, is installed on described right bent neck by bearing.
The application also provides a kind of bicycle, the above-mentioned planetary crankshaft driving mechanism that described bicycle uses the application to provide.
Technique scheme of the present invention has the following advantages compared to existing technology:
1. planetary crankshaft driving mechanism provided by the invention, because crank mechanism is suspended on support arm completely, friction between crank mechanism and body is only limited to described support arm and described body attachment portion, therefore, no matter piston stroke causes support arm length needs much, and the friction between crank mechanism and body significant change can not occur, energy-conserving and environment-protective of the present invention, and durable in use, maintenance cost is low, is very suitable for stroke of piston and requires larger situation.
2. planetary crankshaft driving mechanism provided by the invention, owing to adopting support arm and axle assemble supporting, transmission can be carried out by the gear teeth that are shaped on back shaft, also transmission can be carried out by the gear teeth that are directly shaped on support arm, or the rotor directly support arm being made motor or generator carries out transmission, therefore, the present invention is widely applicable, can adjust flexibly according to different usage requirement.
3. planetary crankshaft driving mechanism provided by the invention, due to left journal axis and crank throw turn the distance of neck center line, left journal axis and the distance of left support shaft centre line, right journal axis and crank throw turn neck center line distance and right journal axis all equal with the distance of right support shaft centre line, therefore, the present invention can ensure that piston suffered lateral force in to-and-fro motion is zero.
4. planetary crankshaft driving mechanism provided by the invention, due to bent axle, left support arm and right support arm all contain counterweight part, and therefore, the present invention farthest can ensure whole body friction.
5. in two kinds of planetary crankshaft driving mechanisms provided by the invention, the second mechanism is the distortion of the first mechanism, and its core difference technical characteristics is consistent, thus has monotony.
Accompanying drawing explanation
In order to make the content of invention be more likely to be clearly understood, below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of planetary crankshaft driving mechanism of the present invention;
Fig. 2 be planetary crankshaft driving mechanism A-A of the present invention to sectional view;
Fig. 3 is the structural representation of planetary crankshaft driving mechanism embodiment one of the present invention;
Fig. 4 be planetary crankshaft driving mechanism embodiment one A-A of the present invention to sectional view;
Fig. 5 is the front view of support arm in planetary crankshaft driving mechanism embodiment one of the present invention;
Fig. 6 is the left view of support arm in planetary crankshaft driving mechanism embodiment one of the present invention;
Fig. 7 is the structural representation of planetary crankshaft driving mechanism embodiment two of the present invention;
Fig. 8 be planetary crankshaft driving mechanism embodiment two A-A of the present invention to sectional view;
Fig. 9 is the front view of support arm in planetary crankshaft driving mechanism embodiment two of the present invention;
Figure 10 is the left view of support arm in planetary crankshaft driving mechanism embodiment two of the present invention;
Figure 11 is the front view of driving mechanism embodiment four of the present invention;
Figure 12 is the left view of driving mechanism embodiment four of the present invention;
Figure 13 is the front view of driving mechanism embodiment five of the present invention;
Figure 14 is the left view of driving mechanism embodiment five of the present invention.
Be labeled as in figure: 1-body, 2-bent axle, the left crankshaft gear of 3-, the left inside gear ring of 4-, the right crankshaft gear of 5-, the right inside gear ring of 6-, 7-piston, 8-left support arm, 9-right support arm, 10-left support axle, 11-right support axle, 12-gear shaft, the left bent axle of 13-, 14-Left Drive gear, the left inside gear ring of 15-, the left-handed pivoted arm of 16-, the right bent axle of 17-, the right driving gear of 18-, the right inside gear ring of 19-, 20-dextrorotation pivoted arm, 21-main shaft, 22-sprocket wheel, 23-first reverse wheel, 24-second reverse wheel, the left axle journal of 201-, the right axle journal of 202-, 203-crank throw, the left bent neck of 1301-, the left crank throw of 1302-, the right bent neck of 1701-, the right crank throw of 1702-.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 and Fig. 2 is basic structure schematic diagram of the present invention.
Embodiment one
Fig. 3-6 is accompanying drawings of the present embodiment.
Described planetary crankshaft driving mechanism, comprises body 1, bent axle 2, left crankshaft gear 3, left inside gear ring 4, right crankshaft gear 5, right inside gear ring 6, and piston 7, also comprises left support arm 8, right support arm 9, left support axle 10 and right support axle 11; Described bent axle 2 comprises left axle journal 201, right axle journal 202 and crank throw 203, described left axle journal 201 through described left crankshaft gear 3 and with its fixed installation, described right axle journal 202 through described right crankshaft gear 5 and with its fixed installation; Described left crankshaft gear 3 and described right crankshaft gear 5 engage with the described left inside gear ring 4 be fixed on body 1 and described right inside gear ring 6 respectively; The part that described left axle journal 201 passes from described left crankshaft gear 3, on the rotatable eccentric opening being installed on described left support arm 8; The part that described right axle journal 202 passes from described right crankshaft gear 5, on the rotatable eccentric opening being installed on described right support arm 9; The eccentric opening axis of described left support arm 8 and right support arm 9 and the distance between described left support arm 8 and the medial axis axis hole of right support arm 9, make described eccentric opening and medial axis axis hole for outer from relation; Described left support arm 8 and described right support arm 9 are arranged on described left support axle 10 and described right support axle 11 so that its medial axis is rotatable; Described left support axle 10 and described right support axle 11 are installed on described body 1 respectively; The crank throw that described piston 7 is rotatably installed on described crank throw 203 by the crankshaft hole of one end turns on neck.
It should be noted that, described left axle journal 201 center line and described crank throw 203 crank throw turn the distance of neck center line, the distance of described left axle journal 201 center line and described left support axle 10 center line, described right axle journal 202 center line and described crank throw 203 crank throw turn the distance of neck center line, and described right axle journal 202 center line is all equal with the distance of described right support axle 11 center line, under this constraint conditio, described crank throw 203 linearly to-and-fro motion time, described left axle journal 201 and described right axle journal 202 can with the center line of described left support axle 10 for axle move in a circle, thus ensure that described bent axle 2 can with the center line of described left support axle 10 for axle revolution motion.
Consider that described piston 7 is when running to most proximal end and distalmost end, described bent axle 2 runs to dead center position, the revolution of described bent axle 2 may be caused confusing, therefore, in the present embodiment, described left crankshaft gear 3 coordinates with described left inside gear ring 4, described right crankshaft gear 5 coordinates with described right inside gear ring 6, its objective is and ensure that described bent axle 2 is unidirectional, do planetary motion in an orderly manner, for this reason, it must meet following constraint conditio: described left crankshaft gear 3 is identical with the number of teeth of described right crankshaft gear 5, described left inside gear ring 4 is identical with the number of teeth of described right inside gear ring 6, described left crankshaft gear 3 is 1:2 with the gear ratio of described left inside gear ring 4.
In the present embodiment; described left axle journal 201 through described left crankshaft gear 3 and with its fixed installation; and described right axle journal 202 is through described right crankshaft gear 5 and in structure hard-wired with it; described hard-wired mode can be fixed installation by positioning key; also can be fixed installation by the hot mounting type of interference fit; the above-mentioned routine fixed installation mode be in mechanical field; repeat no more herein; in addition; other forms of means of fixation in prior art, also within the protection domain of the application.
In the present embodiment, inputing or outputing of rotary motion can be realized by described left support axle 10 or described right support axle 11, carry out inputing or outputing for described left support axle 10, specific implementation method can be: described left support axle 10 part is stretched out outside described body 1, described extension forms the gear teeth, described left support axle 10 is fixedly connected with described left support arm 8, and described left support axle 10 is connected by bearing with described body 1.Inputing or outputing of rotary motion is realized consistent with above-mentioned mode of execution with described right support axle 11; repeat no more herein; it is easily understood that; in the present embodiment; also can be inputed or outputed by described left support axle 10 and described right support axle 11 simultaneously; this is effective change mode of execution of the present embodiment, repeats no more herein, and it is all within the protection domain of the application.
In above-described embodiment; undertaken exporting by the shaping gear teeth on the extension of described left support axle 10 or described right support axle 11; in addition; inputing or outputing of rotary motion can also be realized by fixedly mounting the drive mechanism of the prior art such as belt wheel, sprocket wheel on described extension; repeat no more, it is all within the protection domain of the application herein.
It is easily understood that in order to ensure described bent axle 2 smooth rotation, reduce it and rotate the vibrations caused complete machine, described bent axle 2 comprises counterweight structure.Based on identical consideration, described left support arm 8 and described right support arm 9 also all comprise counterweight structure.
The present embodiment working procedure is as follows:
When by described left support axle 10 to described piston 7 transmission time, described left support axle 10 drives described left support axle 10 to rotate by the gear teeth of external force on described extension, described left support axle 10 is fixedly connected with described left support arm 8, and then drive described left support arm 8 to rotate, under described left support arm 8 rotates, described left crankshaft gear 3 does planetary motion in described ring gear 4, described bent axle 2 is fixedly connected with by interference fit with described left crankshaft gear 3, the described left axle journal 201 of described bent axle 2 also does planetary motion, and then drive the whole axle journal of described bent axle 2 to do planetary motion, described piston 7 carries out straight reciprocating motion under the drive of described bent axle 2.
When by described piston 7 to 10 transmission of described left support axle time, described piston 7 drives the described crank throw 203 of described bent axle 2 to carry out straight reciprocating motion.The described left axle journal 201 of described bent axle 2 does planetary motion under the drive of described crank throw 203, described bent axle 2 is fixedly connected with by interference fit with described left crankshaft gear 3, described left crankshaft gear 3 also does planetary motion, under the drive of described left crankshaft gear 3, described left support arm 8 rotates, and described left support axle 10 is fixedly connected with described left support arm 8, therefore, described left support axle 10 also rotates, thus drives the external equipment connected by the described extension gear teeth to run.
Embodiment two
Fig. 7-10 is accompanying drawings of the present embodiment.
In the present embodiment, described planetary crankshaft driving mechanism is substantially identical with embodiment one, therefore the part that communicates please refer to the explanation of above-mentioned planetary crankshaft driving mechanism embodiment one, its difference is: described left support arm 8 and described right support arm 9 circumferential profile are for circular, and forming the gear teeth, center line is all positioned on the center line of described left support axle 10 or described right support axle 11.Described left support arm 8 and right support arm 9 engage respectively with same rooted tooth wheel shaft 12.
The present embodiment working procedure is substantially identical with the working procedure of embodiment one, difference is: described left support axle 9 and the no longer transmission of described right support axle 11, but be fixedly connected with described body 1, only play a supportive role, described left support arm 8 is connected with described left support axle 9 and described right support axle 11 respectively by bearing with described right support arm 10; Adopt same rooted tooth wheel shaft 12 to engage with described left support arm 8 and described right support arm 9 simultaneously, can synchronous effect be played, ensure described left support arm 8 and described right support arm 9 synchronous rotary, avoid described bent axle 2 unbalance stress and described body 1 to shake; Simultaneously can using described gear shaft 12 as the input shaft of this planetary crankshaft driving mechanism or output shaft; specific practice can be that described gear shaft 12 is stretched out described body; and on extension shaping or drive wheel such as fixed installation gear, belt wheel, sprocket wheel etc.; be more than mature technology means of the prior art; repeat no more, it is all within the protection domain of the application herein.
Compared to using described left support axle 10 or described right support axle 11 as input shaft or output shaft, the present embodiment two by described gear shaft 12 as input shaft or output shaft, now described left support arm 8 and described right support arm 9 do work simultaneously and bear load, can ensure that load born by engine body is balanced, load capacity is higher and stability is better.
Embodiment three
The present embodiment three is change mode of executions of above-mentioned planetary crankshaft driving mechanism embodiment one, therefore the part that communicates repeats no more, please refer to the explanation of above-mentioned planetary crankshaft driving mechanism embodiment one, the main change of the present embodiment three is: described left support arm 8 or described right support arm 9 are the rotor of generator or motor, or more the rotor of both generator or motor.For described left support arm 8 as the rotor of generator or motor, specific implementation method can be: be fixedly connected with described left support axle 10 by described left support arm 8 or one-body molded, and be rotatably connected with described body 1 by bearing, described left support axle 10 stretches out described body 1, and coil is set on extension, re-use stator sleeve residence and state extension.These are only that, using a kind of implementation methods of described left support arm 8 as motor or motor rotor, in addition, also have other numerous embodiments in prior art, repeat no more, it is all within the protection domain of the application herein.
The present embodiment working procedure is substantially identical with the working procedure of embodiment one, for described left support axle 8 as the rotor of generator or motor, difference is: after the rotary motion by the convert reciprocating motion of described piston 3 being described left support arm 8, and the coil that described left support arm 8 is arranged is by electromagnetic field effect generation current; Or described left support arm 8 produces rotation under outside electromagnetic field effect, be then the to-and-fro motion of described piston 3 by the convert rotational motion of described left support arm 8.It should be noted that, the present invention is not limited to the application of single cylinder, can arrange a piston head separately, the form that middle and described bent axle 2 is connected, utilize two piston heads to be connected with two cylinders by described piston 3 is designed to two ends; Two or more cylinder can also can be applied to by increase crank throw number and piston number; Any one planetary crankshaft driving mechanism that can also provide using the present embodiment as elementary cell, by the axis multiple formation multi-cylinder planetary crankshaft driving mechanism in upright arrangement along described bent axle 2; More than be effective change mode of execution of the present embodiment, it is all within the protection domain of the application.
Embodiment four
Figure 11 and Figure 12 is the accompanying drawing of the present embodiment.
Described planetary crankshaft driving mechanism, comprises left bent axle 13, Left Drive gear 14, left inside gear ring 15, left-handed pivoted arm 16, right bent axle 17, right driving gear 18, right inside gear ring 19, dextrorotation pivoted arm 20, main shaft 21 and sprocket wheel 22; Described left bent axle 13 comprises left bent neck 1301 and left crank throw 1302, described left bent neck 1301 is fixedly installed on described Left Drive gear 14 wheel shaft, described Left Drive gear 14 engages with described left inside gear ring 15, described left inside gear ring 15 is fixedly installed on body, described left-handed pivoted arm 16 one end and described Left Drive gear 14 wheel shaft are rotatably connected, and the other end is fixedly installed on described main shaft 21 left end; Described right bent axle 17 comprises right bent neck 1701 and right crank throw 1702, described right bent neck 1701 is fixedly installed on described right driving gear 18 wheel shaft, described right driving gear 18 engages with described right inside gear ring 19, described right inside gear ring 19 is fixedly installed on body, described dextrorotation pivoted arm 20 one end and described right driving gear 18 wheel shaft are rotatably connected, and the other end is fixedly installed on described main shaft 21 right-hand member; Described main shaft 21 is rotatably installed on described vehicle frame; Described sprocket wheel 22 is connected with described main shaft 21, drives underdrive at described main shaft 21.
When the present embodiment four runs, described left bent neck 1301 and described right bent neck 1701 is driven to rotate by external force, because described left bent neck 1301 is fixedly installed on described Left Drive gear 14 wheel shaft, described right bent neck 1701 is fixedly installed on described right driving gear 18 wheel shaft, therefore, described left bent axle 13, described Left Drive gear 14, described right bent axle 17 and described right driving gear 18 are also all driven and are synchronously rotated, again because described Left Drive gear 14 engages with described left inside gear ring 15, described right driving gear 18 engages with described right inside gear ring 19, therefore, described left bent axle 13, described Left Drive gear 14, described right bent axle 17 and described right driving gear 18 also can with the center line of described left inside gear ring 15 for axle revolve round the sun while rotation, form planetary motion, because one end of described Left Drive gear 14 wheel shaft and described left-handed pivoted arm 16 is rotatably connected, one end of described right driving gear 18 wheel shaft and described dextrorotation pivoted arm 20 is rotatably connected, and the other end of the other end of described left-handed pivoted arm 16 and described dextrorotation pivoted arm 20 is all fixedly installed on described main shaft 21, therefore, above-mentioned planetary motion drives described main shaft 21 to rotate further, described sprocket wheel 22 again by being connected with described main shaft 21 exports.More than be described using described sprocket wheel 22 as output shaft; during practical application; for meeting the different needs; described sprocket wheel 22 also can as input shaft; the planetary motion of described left crank throw 1302 and described right crank throw 1702 is converted to by described planetary crankshaft driving mechanism; its running is contrary to the above, repeats no more herein, and it is also within the protection domain of the application.
It is easily understood that in the present embodiment, described sprocket wheel 22 can be fixedly installed on described main shaft 21, and unilateral bearing also can be used rotatably to be installed on described main shaft 21, and it is all within the protection domain of the application.
In order to ensure stability and the balance of described planetary crankshaft driving mechanism, in the present embodiment, described Left Drive gear 15 and described right driving gear 20 are arranged relative to described main shaft 21 center line Central Symmetry.
It should be noted that, in order to ensure that described left bent axle 13, described Left Drive gear 14, described right bent axle 17 and described right driving gear 18 can both do planetary motion, in the present embodiment four, the center line of described main shaft 21, the center line of described left inside gear ring 15 overlap with center line three line of described right inside gear ring 19, the rotation axis of described left bent neck 13 overlaps with the center line of described Left Drive gear 14, and the rotation axis of described right bent neck 17 overlaps with the center line of described right driving gear 18.
In the present embodiment four, in order to ensure that described left bent axle 13, described Left Drive gear 14, described right bent axle 17 and described right driving gear 18 can both do planetary motion, also need to meet following constraint conditio: described left bent neck 1301 center line and left crank throw 1302 turn the distance of neck center line, the distance of described left bent neck 1301 center line and described main shaft 21 center line, described right bent neck 1701 center line and right crank throw 1702 turn the distance of neck center line, and the distance of described right bent neck 1701 center line and described main shaft 21 center line is all equal.
The preferred constraint conditio more than obtained after experimental verification for the embodiment of the present application four, in addition, following constraint conditio is also feasible: described left bent neck 1301 center line and left crank throw 1302 turn the distance of neck center line, equal with the distance that described right bent neck 1701 center line and right crank throw 1702 turn neck center line, the distance of described left bent neck 1301 center line and described main shaft 21 center line, equal with the distance of described right bent neck 1701 center line and described main shaft 21 center line, the distance that described left bent neck 1301 center line and left crank throw 1302 turn neck center line is greater than the distance of described left bent neck 1301 center line and described main shaft 21 center line.Above-mentioned constraint conditio is all within the protection domain of the application.
In the present embodiment four, described Left Drive gear 14 engages with described left inside gear ring 15, described right driving gear 18 engages with described right inside gear ring 19, its objective is ensure described left bent axle 13 and described right bent axle 17 unidirectional, do planetary motion in an orderly manner, for this reason, it must meet following constraint conditio: described Left Drive gear 14 is identical with the number of teeth of described right driving gear 18, described left inside gear ring 15 is identical with the number of teeth of described right inside gear ring 19, and the gear ratio of described Left Drive gear 14 and described left inside gear ring 15 is 1:2.
In the present embodiment four, described left-handed pivoted arm 16 one end and described Left Drive gear 14 wheel shaft are rotatably connected, described dextrorotation pivoted arm 20 one end and described right driving gear 18 wheel shaft are rotatably connected, its mode of execution can be by described left axle journal 1301 and bearing, and described right axle journal 1701 and bearing realize, embodiment is: described left-handed pivoted arm 16 connects described Left Drive gear 14 one end and forms Left Drive gear pilot hole, be installed on described left bent neck 1301 by bearing, described dextrorotation pivoted arm 20 connects described right driving gear 18 one end and forms right driving gear pilot hole, be installed on described right bent neck 1701 by bearing.Below only list a kind of mode of execution, also have numerous embodiments in prior art, repeat no longer one by one, it is all within the protection domain of the application herein.
It should be noted that; in the present embodiment four; described main shaft 21 fixedly mounts sprocket wheel 22 input or output; when practical application; also the common driving mechanism such as belt wheel or gear can be adopted to replace described sprocket wheel 22; this is conventional means of the prior art, repeats no more herein, and it is also within the protection domain of the application.
Embodiment five
Figure 13 and Figure 14 is the accompanying drawing of the present embodiment.
The present embodiment five is change mode of executions of above-mentioned planetary crankshaft driving mechanism embodiment four, therefore the part that communicates repeats no more, please refer to the explanation of above-mentioned planetary crankshaft driving mechanism embodiment four, the main change of the present embodiment five is: described sprocket wheel 22 is rotatable to be installed in described frame, described main shaft 21 is installed with the first tumbler gear 23, described sprocket wheel 22 is coaxially fixedly connected with the second tumbler gear 24, and described first tumbler gear 23 and described second tumbler gear 24 engage.
The present embodiment five is operationally substantially identical with the method for operation of above-described embodiment four, and difference is, after described main shaft 21 rotates, then drives described second tumbler gear 24 to rotate by described first tumbler gear 23, and then is exported by described sprocket wheel 22.
More than be described using described sprocket wheel 22 as output shaft; during practical application; for meeting the different needs; described sprocket wheel 22 also can as input shaft; the planetary motion of described left crank throw 1302 and described right crank throw 1702 is converted to by described planetary crankshaft driving mechanism; its running is contrary to the above, repeats no more herein, and it is also within the protection domain of the application.
It should be noted that; in the present embodiment five; described main shaft 21 inputs or outputs eventually through sprocket wheel 22; when practical application; also the common driving mechanism such as belt wheel or gear can be adopted to replace described sprocket wheel 22; this is conventional means of the prior art, repeats no more herein, and it is also within the protection domain of the application.
The present invention is of many uses, can be installed on bicycle and tricycle, and use as driving mechanism, embodiment can refer to the explanation of above-described embodiment four and embodiment five, repeats no more herein.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And thus the apparent change of extending out or variation be still among protection scope of the present invention.
Claims (20)
1. a planetary crankshaft driving mechanism, comprise body (1), bent axle (2), left crankshaft gear (3), left inside gear ring (4), right crankshaft gear (5), right inside gear ring (6), piston (7), is characterized in that: also comprise left support arm (8), right support arm (9), left support axle (10) and right support axle (11);
Described bent axle (2) comprises left axle journal (201), right axle journal (202) and crank throw (203), described left axle journal (201) through described left crankshaft gear (3) and with its fixed installation, described right axle journal (202) through described right crankshaft gear (5) and with its fixed installation; Described left crankshaft gear (3) and described right crankshaft gear (5) engage with the described left inside gear ring (4) be fixed on body (1) and described right inside gear ring (6) respectively;
The part that described left axle journal (201) passes from described left crankshaft gear (3), on the rotatable eccentric opening being installed on described left support arm (8); The part that described right axle journal (202) passes from described right crankshaft gear (5), on the rotatable eccentric opening being installed on described right support arm (9); Distance between the eccentric opening axis of described left support arm (8) and right support arm (9) and the medial axis axis hole of described left support arm (8) and right support arm (9), makes described eccentric opening and medial axis axis hole for outer from relation;
Described left support arm (8) and described right support arm (9) are arranged on described left support axle (10) and described right support axle (11) so that its medial axis is rotatable; Described left support axle (10) and described right support axle (11) are installed on described body (1) respectively;
The crank throw that described piston (7) is rotatably installed on described crank throw (203) by the crankshaft hole of one end turns on neck.
2. planetary crankshaft driving mechanism according to claim 1, is characterized in that: the distance that described left axle journal (201) center line and described crank throw (203) crank throw turn the distance of neck center line, the distance of described left axle journal (201) center line and described left support axle (10) center line, described right axle journal (202) center line and described crank throw (203) crank throw turn neck center line and described right axle journal (202) center line all equal with the distance of described right support axle (11) center line.
3. planetary crankshaft driving mechanism according to claim 1 and 2, it is characterized in that: described left crankshaft gear (3) is identical with the number of teeth of described right crankshaft gear (5), described left inside gear ring (4) is identical with the number of teeth of described right inside gear ring (6), and described left crankshaft gear (3) is 1:2 with the gear ratio of described left inside gear ring (4).
4. planetary crankshaft driving mechanism according to claim 1, it is characterized in that: described left axle journal (201) through described left crankshaft gear (3) and with its fixed installation, and described right axle journal (202) is through described right crankshaft gear (5) and in structure hard-wired with it, described hard-wired mode is the hot mounting type by positioning key mode or interference fit.
5. according to the arbitrary described planetary crankshaft driving mechanism of claim 1-4, it is characterized in that: described left support axle (10) and/or described right support axle (11) part stretch out described body (1) outward, described extension forms the gear teeth, described left support axle (10) is fixedly connected with described left support arm (8), and/or described right support axle (11) is fixedly connected with described right support arm (9), described left support axle (10) and/or described right support axle (11) are connected by bearing with described body (1).
6. according to the arbitrary described planetary crankshaft driving mechanism of claim 1-4, it is characterized in that: described left support arm (8) and/or described right support arm (9) circumferential profile are for circular, and forming the gear teeth, center line is all positioned on the center line of described left support axle (10) or described right support axle (11).
7. planetary crankshaft driving mechanism according to claim 6, is characterized in that: described left support arm (8) and/or right support arm (9) engage respectively with same rooted tooth wheel shaft (12).
8. according to the arbitrary described planetary crankshaft driving mechanism of claim 1-4, it is characterized in that: the rotor that described left support arm (8) and/or described right support arm (9) are generator or motor.
9., according to the arbitrary described planetary crankshaft driving mechanism of claim 1-8, it is characterized in that: described bent axle (2) comprises counterweight structure.
10., according to the arbitrary described planetary crankshaft driving mechanism of claim 1-9, it is characterized in that: left support arm (8) and/or described right support arm (9) comprise counterweight structure.
11. 1 kinds of planetary crankshaft driving mechanisms, it is characterized in that, described driving mechanism comprises left bent axle (13), Left Drive gear (14), left inside gear ring (15), left-handed pivoted arm (16), right bent axle (17), right driving gear (18), right inside gear ring (19), dextrorotation pivoted arm (20), main shaft (21) and sprocket wheel (22);
Described left bent axle (13) comprises left bent neck (1301) and left crank throw (1302), described left bent neck (1301) is fixedly installed on described Left Drive gear (14) wheel shaft, described Left Drive gear (14) is engaged with described left inside gear ring (15), described left inside gear ring (15) is fixedly installed on body, described left-handed pivoted arm (16) one end and described Left Drive gear (14) wheel shaft are rotatably connected, and the other end is fixedly installed on described main shaft (21) left end;
Described right bent axle (17) comprises right bent neck (1701) and right crank throw (1702), described right bent neck (1701) is fixedly installed on described right driving gear (18) wheel shaft, described right driving gear (18) is engaged with described right inside gear ring (19), described right inside gear ring (19) is fixedly installed on body, described dextrorotation pivoted arm (20) one end and described right driving gear (18) wheel shaft are rotatably connected, and the other end is fixedly installed on described main shaft (21) right-hand member;
Described main shaft (21) is rotatably installed on described vehicle frame;
Described sprocket wheel (22) is connected with described main shaft (21), drives underdrive at described main shaft (21).
12. planetary crankshaft driving mechanisms according to claim 11, is characterized in that: described sprocket wheel (22) is fixedly installed on described main shaft (21).
13. planetary crankshaft driving mechanisms according to claim 11, it is characterized in that: described sprocket wheel (22) is rotatable to be installed in described frame, described main shaft (21) is installed with the first tumbler gear (23), described sprocket wheel (22) is coaxially fixedly connected with the second tumbler gear (24), described first tumbler gear (23) and described second tumbler gear (24) engagement.
14., according to the arbitrary described planetary crankshaft driving mechanism of claim 11-13, is characterized in that: described Left Drive gear (15) and described right driving gear (20) are arranged relative to described main shaft (21) center line Central Symmetry.
15. according to the arbitrary described planetary crankshaft driving mechanism of claim 11-13, it is characterized in that: the center line of described main shaft (21), the center line of described left inside gear ring (15) overlap with center line three line of described right inside gear ring (19), the rotation axis of described left bent neck (13) overlaps with the center line of described Left Drive gear (14), and the rotation axis of described right bent neck (17) overlaps with the center line of described right driving gear (18).
16. according to the arbitrary described planetary crankshaft driving mechanism of claim 11-13, it is characterized in that: described left bent neck (1301) center line and left crank throw (1302) turn the distance of neck center line, the distance of described left bent neck (1301) center line and described main shaft (21) center line, described right bent neck (1701) center line and right crank throw (1702) turn the distance of neck center line, and the distance of described right bent neck (1701) center line and described main shaft (21) center line is all equal.
17. according to the arbitrary described planetary crankshaft driving mechanism of claim 11-13, it is characterized in that: described left bent neck (1301) center line and left crank throw (1302) turn the distance of neck center line, equal with the distance that described right bent neck (1701) center line and right crank throw (1702) turn neck center line, the distance of described left bent neck (1301) center line and described main shaft (21) center line, equal with the distance of described right bent neck (1701) center line and described main shaft (21) center line, the distance that described left bent neck (1301) center line and left crank throw (1302) turn neck center line is greater than the distance of described left bent neck (1301) center line and described main shaft (21) center line.
18. according to the arbitrary described planetary crankshaft driving mechanism of claim 11-13, it is characterized in that: described Left Drive gear (14) is identical with the number of teeth of described right driving gear (18), described left inside gear ring (15) is identical with the number of teeth of described right inside gear ring (19), and the gear ratio of described Left Drive gear (14) and described left inside gear ring (15) is 1:2.
19. according to the arbitrary described planetary crankshaft driving mechanism of claim 11-13, it is characterized in that: described left-handed pivoted arm (16) connects described Left Drive gear (14) one end and forms Left Drive gear pilot hole, be installed on described left bent neck (1301) by bearing, described dextrorotation pivoted arm (20) connects described right driving gear (18) one end and forms right driving gear pilot hole, is installed on described right bent neck (1701) by bearing.
20. 1 kinds of bicycles, is characterized in that, use the arbitrary described planetary crankshaft driving mechanism of claim 11-19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510444480.5A CN105179629B (en) | 2014-12-09 | 2015-07-24 | Planetary crankshaft transmission mechanism and bicycle |
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| CN2014107492721 | 2014-12-09 | ||
| CN201410749272 | 2014-12-09 | ||
| CN201510444480.5A CN105179629B (en) | 2014-12-09 | 2015-07-24 | Planetary crankshaft transmission mechanism and bicycle |
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| CN105179629A true CN105179629A (en) | 2015-12-23 |
| CN105179629B CN105179629B (en) | 2017-12-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017107090A1 (en) * | 2015-12-23 | 2017-06-29 | 刘卫军 | Planetary crankshaft transmission mechanism and bicycle |
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|---|---|
| CN105179629B (en) | 2017-12-26 |
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