CN2229411Y - Multi-function automatic stepless adjustable speed apparatus for bicycle - Google Patents
Multi-function automatic stepless adjustable speed apparatus for bicycle Download PDFInfo
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- CN2229411Y CN2229411Y CN 95201696 CN95201696U CN2229411Y CN 2229411 Y CN2229411 Y CN 2229411Y CN 95201696 CN95201696 CN 95201696 CN 95201696 U CN95201696 U CN 95201696U CN 2229411 Y CN2229411 Y CN 2229411Y
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Abstract
The utility model discloses a multi-function automatic stepless adjustable speed apparatus for bicycle, consisting of a tread turn, a central axle which is connected with the tread turn, a continuous belt and a shift chain device. The keys are a transmission disc family, a planetary gear train, an automatic constant regulating mechanism and a manual clutch mechanism. The planetary gear train is supported between the transmission discs through roller wheels. One portion of the automatic constant regulating mechanism is connected with the driven disc, the other portion of the automatic constant regulating mechanism is connected with the driving disc, and the two portions can do relative motion and the torque is adjustable. The manual clutch mechanism can connect and separate the driving disc and the driven disc. The multi-function automatic stepless adjustable speed apparatus for bicycle can change the diameter ratio automatically in a stepless mode according to the change of ride loading and magnitude of resistance to realize stepless speed regulation, and can also realize constant proportion and constant speed transmission by manual control.
Description
The utility model relates to a kind of multi-functional automatic speed governing device that is suitable for synchronizer gear, sprocket wheel and all the other various driving bands, particularly relates to a kind of multi-function automatic stepless speed regulator for bicycle.
The technology that the utility model was relevant in the past is that my name of in August, 1991 application is called: " bridge-type automatic stepless variable speed system " publication number CN91109559.4, this system is a kind of with load and resistance full automaticity continuously variable unit, range of use only limits to synchronous toothed and chain sprocket drive, when load and resistance increase to a certain degree, driving disc spacing pressing, clutch plate respectively have single track of one's own, can not form the heavy load balanced support, the not enough balance of structure stress influences the clutch engagement; In addition, because master and slave Moving plate track is circular-arc, array satellite gear assembly is in master and slave Moving plate track, synchronous or when amplifying radially, planetary wheel can be subjected to displacement rubbing, can occur interfering and jumping the position with the driving band engagement, produce abnorma1 noise, defectives such as idling and hysteresis are arranged when giving it the gun.
But the purpose of this utility model is to provide a kind of variation automatic or manual with load to change speed ratio, can need and freely select its speed change dynamics with people again, be suitable for the multi-function automatic stepless speed regulator for bicycle of synchronous toothed, sprocket wheel and all the other various strap drives.
The purpose of this utility model can realize by following technical measures.That is: this multi-function automatic stepless speed regulator for bicycle comprises stepping on and turns, and turns the axis that is connected with stepping on, driving band and dial the chain device, and its key is: a drive plate system, this dish system is made up of a driving disc spacing pressing and a clutch plate at least; A planet circular system, this train are made of three planet free-wheel clutchs at least, and by roller wheel bearing between driving disc spacing pressing and clutch plate/clutch plate and clutch plate/driving disc spacing pressing and driving disc spacing pressing; One one one links with driving disc spacing pressing, and one one is connected with clutch plate, can do synchronously/the automatic permanent accent devices of the adjustable moment of torsion of relative motion for two ones; A manual clutch mechanism that is connected and can orders about master and slave Moving plate combination or separate with spider.
The master and slave Moving plate that above-mentioned formation drive plate is is provided with and the angled rail groove of disk center's line, its shape is linearly/curve-like, its cross-sectional plane is straight parallel wire/middle concavity/middle convex/I-shaped shape/echelon form, and the rail groove angle direction of master and slave Moving plate is opposite;
The driving and driven plate wheel edge that appeal constitutes drive plate system is provided with ratchet;
The left and right hinge dish that the planet free-wheel clutch that appeal constitutes planet circular system connects as running-fit by satellite gear, with the step cutting pattern hole of its both ends of the surface, hinge joint is on left and right hinge dish and guarantee the pin that surmounts that satellite gear can only the unidirectional delivery moment of torsion, supporting surmounts the spring of pin, the flat axle that matches with left and right sides hinge dish inner chamber, be contained in the roller that is positioned at the left and right hinge dish outside and matches with master and slave Moving plate rail groove shape on the flat axle, the left and right waist shape of support driving disc spacing pressing roller is rolled piece and is contained in flat screw and antivibration spring in the centre hole and forms.
Told one one connect with driving disc spacing pressing, adjustable moment of torsion that one one connects with clutch plate automatic permanent transfer device by sleeve, be contained in its two ends bearing, be contained in the axis of its inner chamber, be contained in a left side on the axis successively from left to right and step on and turn, nut, packing ring, left backing ring, adjust spring perch, torsion spring, shaft block ring, backing ring, clutch plate spring perch, the anti-skidding awl seat of driving disc spacing pressing, anti-skidding awl circle, adjustment bung flange and the right side and step on to turn and form.
Told link with spider and can order about master and slave Moving plate in conjunction with or the manual clutch mechanism that separates be middle shaft transmission engaging and disengaging gear; by the middle shaft transmission that is fixed on the spider; the protection cover plate that connects with it by screw; dial circle with protection cover plate bonded assembly flute profile; be stuck in flute profile and dial flute profile roller in the ring recess; make it the cylindricality ratchet that combines as a whole with the flute profile roller by screw; be positioned at the anti-skidding sour jujube piece between right master and slave Moving plate, and the left and right mobile steel rope of shaft transmission along continuous straight runs is formed in driving.
Linking with spider of being told also can be ordered about the master, clutch plate in conjunction with or the manual clutch mechanism that separates be castellated manual clutch mechanism, by the anchor ear that is fixed on the spider, groove-shaped frame with the anchor ear Joint, be contained in the groove-shaped frame lower channel and pass through bearing pin, axle sleeve is with its end face gear wheel that is cascaded, a driving disc spacing pressing ratchet and a left side that is fixed in groove-shaped frame top, right back plate, be contained in a left side, between the right back plate, on it, in, the bottom respectively with fix shaft, torsion spring, torsion axis, dialling joining arm-tie of circle and two ends forms with torsion spring and the joining steel rope of handle respectively.
The described manual clutch mechanism that is connected with master and slave Moving plate with support respectively and can orders about master and slave Moving plate combination or separate, comprise two kinds of forms of manual axis transmission mechanism and castellated manual clutch mechanism, the combination that the mechanism of two kinds of forms all can realize master and slave Moving plate with separate, thereby guaranteeing that bicycle has on the function of automatic stepless speed-regulating, also can realize constant speed, surely than transmission.
Concrete structure of the present utility model and embodiment are provided by the following drawings:
Fig. 1 is this first and second embodiment scheme of installation on bicycle, showed this device both can with the bicycle adapted with common rear flywheel, again can with the bicycle adapted with various inside and outside change-speed boxs;
Fig. 2 is the scheme of installation of third and fourth embodiment of the utility model on bicycle, showed this device both can with the bicycle adapted with common rear flywheel, again can with the bicycle adapted with various inside and outside change-speed boxs;
Fig. 3 is a principle of work scheme drawing of the present utility model, and heavy line is represented greatest limit speed, and thin long and two-short dash line is represented minimum limit speed;
Fig. 4 is the structural representation of first embodiment of the present utility model;
Fig. 5 is Fig. 4 A-A section-drawing, and 15 is the satellite gear of planet free-wheel clutch among the figure, the position when heavy line is represented to be in maximum operating speed, and long and two-short dash line represents to be in the position of minimum work speed;
Fig. 6 is the structural representation of second embodiment of the present utility model;
Fig. 7 is the structural representation of the 3rd embodiment of the present utility model;
Fig. 8 is the structural representation of the 4th embodiment of the present utility model;
Fig. 9 is the right side view of Fig. 4, Fig. 6, Fig. 7, Fig. 8;
Figure 10 is Fig. 6 A-A section-drawing, the position the when satellite gear of 15 expression planet free-wheel clutchs among the figure, heavy line represent that satellite gear is in maximum operating speed, and long and two-short dash line represents to be in the position of minimum work speed;
Figure 11 is Fig. 4, Fig. 6 B portion enlarged drawing, and this figure has mainly expressed the local structure of the manual axis transmission mechanism that first, second embodiment adopted;
Figure 12 is the structural representation of planet free-wheel clutch among the utility model first and third, four embodiment;
Figure 12 is the right side view of Figure 12;
Figure 14 is Figure 12 A-A coincide sectional view;
Figure 15 is the structural representation of the planet free-wheel clutch of second embodiment of the present utility model;
Figure 16 is Figure 13 B-B section-drawing, and this figure has mainly expressed left and right waist shape and rolled assembly relation between piece and roller;
Figure 17 is the assembly drowing of right clutch plate of first, second, third and fourth embodiment general-duty of the utility model and right clutch plate spring perch;
Figure 18 is the left side view of Figure 17;
Figure 19 is the assembly drowing of right driving disc spacing pressing of first, second, third and fourth embodiment general-duty of the utility model and the anti-skidding awl seat of driving disc spacing pressing;
Figure 20 is the left side view of Figure 19;
Figure 21-22 has expressed that used satellite gear is a structure single-row, the multiple row sprocket wheel in the various embodiments of the present invention;
Figure 23-24 has expressed that used satellite gear is the narrow row of various profiles of tooth, the structure of wide row satellite gear among each embodiment of the utility model;
Figure 25-26 has expressed the structure that used satellite gear among each embodiment of the utility model is the satellite gear of single-row, multiple row R flute profile;
Figure 27-28 has expressed that used satellite gear is that driving face is the planetary gear structure of narrow row, the protruding R of wide row among each embodiment of the utility model;
It is planetary gear structure single-row, multiple row cone belt flute profile that Figure 29-30 has expressed the satellite gear that is adopted among each embodiment of the utility model;
It is the planetary gear structure of narrow row, wide row parallel band flute profile that Figure 31-32 has expressed the satellite gear that is adopted among each embodiment of the utility model;
Figure 33 is the concrete structure of castellated manual clutch mechanism for the manual clutch mechanism that is adopted among the utility model the 3rd, the 4th embodiment;
Figure 34 is Figure 33 A-A echelon sectional view.
Among the figure: 1 steps on for a left side and to turn, and 2 for turning pin, and 3 is axis; 4; 35; 74 is nut, and 5 is packing ring, and 6 is left backing ring; 7 is steel ball, and 8 is left shaft holder, 9; 16; 23; 27; 50; 58; 69; 70; 71; 72; 76; 95 is screw; 10 for adjusting spring abutment, and 11 is sleeve, and 12 is torsion spring; 13 is left decorative trim ring, and " be left clutch plate, 15 is satellite gear; 17 is terminal pad, and 18 is the right bearing seat, and 19 is steel ball; 20 is left hinge dish, and 21 is the clutch plate roller, and 22 is antivibration spring; 24 is flat axle, and 25 for surmounting pin, and 26 is right decorative trim ring; 28 is right clutch plate, and 29 is right driving disc spacing pressing, and 30 is backing ring; 31 is the clutch plate spring perch, and 32 is the anti-skidding awl seat of driving disc spacing pressing, and 33 is anti-skidding awl circle; 34 is shaft block ring, and 36 step on for the right side and to turn, and 37 roll piece for left waist shape; 38 roll piece for right waist shape; 39 is right hinge dish, and 40 is the driving disc spacing pressing roller, and 41 is right clutch plate packing ring; 42 is right clutch plate roller; 43 is stage clip, and 44 is left clutch plate packing ring, and 45 is left driving disc spacing pressing packing ring; 46 is left driving disc spacing pressing roller; 47 is interior backing ring, and 48 is the flute profile roller, and 49 dial circle for sheave; 51 is anti-skidding sour jujube piece; 52 is the column type ratchet, and 53 is fixing screw, and 54 is left clutch plate packing ring; 55 is steel rope; 56 is middle shaft transmission, and 57 is spider, and 59 is back plate; 60 are the protection cover plate; 61 for dialling chain device handle, and 62 is driving band, and 63 is reversed column; 64 for dialling the chain device; 65 is anti-skidding sour jujube piece, and 66 is connecting panel, and 7 is rivet; 68 is the driving disc spacing pressing connecting panel; 73 is anchor ear, and 75 is castellated manual clutch mechanism, and 77 is torsion axis; 78 is support; 79 is the left side gear, and 80 is the clutch plate ratchet, and 81 is right back plate; 82 is torsion spring; 83 is reversed column, and 84 is groove-shaped frame, and 85 for stirring ring; 86 is the driving disc spacing pressing ratchet; 87 is the right side gear wheel, and 88 is bearing pin, and 89 is axle sleeve; 90 is the collar; 91 is end face clutch gear wheel, and 92 is arm-tie, and 93 is fix shaft; 94 is left back plate, and 96 is arm-tie.
Below with reference to accompanying drawing embodiment of the present utility model is further described.
Mainly by Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 9, Figure 11, Figure 12-14, Figure 17-32 provides first embodiment of the present utility model.Referring to Fig. 1, Fig. 4, first embodiment of the present invention multi-function automatic stepless speed regulator for bicycle, step on about comprising and turn 1,36, turn 1,36 axis that are connected 3 with stepping on, driving band 62 and group chain device 64, its key is a drive plate system, and this dish system is made of left and right clutch plate 14,28 and right driving disc spacing pressing 29; A planet circular system, this train are made of three planet free-wheel clutchs at least, and are bearing between the left and right clutch plate 14,28 by roller 21,42,40; One one one is connected with right driving disc spacing pressing 29, one one links with clutch plate 14,28, can do synchronously or the automatic permanent devices of transferring of the adjustable moment of torsion of relative motion for two ones, one links with spider 57, and can order about master and slave Moving plate in conjunction with or separate in the shaft transmission engaging and disengaging gear.
In the present embodiment, described master and slave Moving plate 29,14,28 is provided with and disk center's line rail groove at angle, its shape linearly (not getting rid of deep-slotted chip breaker and archimedes spiral groove certainly), its cross-sectional plane is the straight parallel wire, and the angle direction of rail groove is opposite.
Referring to Figure 12-14, the planet free-wheel clutch of present embodiment is by satellite gear 15, a left side that connects as running-fit with the step cutting pattern hole of its both ends of the surface, right hinge dish 20,39, be hinged on a left side, on the right hinge dish and guarantee that satellite gear 15 can only the unidirectional delivery moment of torsion surmount pin 25, supporting surmounts the spring 43 of pin, with a left side, right hinge dish 20, the flat axle 24 that 39 inner chambers cooperate, be contained on the flat axle and be positioned at a left side, the right hinge dish outside and with the master, clump Moving plate 29,14, the roller 40 that 28 rail groove matches, 21,42, the waist shape of support driving disc spacing pressing roller 40 is rolled piece 37,38 and be contained in screw 23 in flat axle 24 center screws, antivibration spring 22 is formed.
Satellite gear is processed with some unidirectional ratchets on the 15 endoporus faces of cylinder.Left side hinge dish 20, right hinge dish 39 middle parts all are processed with round boss, are processed with in the boss and the identical shaped hole of flat axle.Two disk shape equidirectionals are opposite, and two dish junctions are processed with four holes, and spring is housed in the hole.Be processed with four holes on left side hinge dish 20, right hinge dish 39 relative positions, surmounting pin 25 two terminal circle ogive cylinder tables is inserted in two dishes respectively and forms hinge arrangement in the holes, during satellite gear free-wheel clutch right-hand revolution, satellite gear is subjected to force direction opposite, surmounting pin 25 snaps under the thrust of spring 43 in the unidirectional ratchet of satellite gear 25 endoporus, drive driving band and drive the rear flywheel running, on the contrary satellite gear 15 depress when surmounting pin 25 also dead spring 43, with surmount pin 25 and separate idle running.
Roll by screw 23 left clutch plate packing ring 54, left hinge dish 20, right hinge dish 39, left clutch plate packing ring 41, the left waist type on the flat axle 24 of being pressed on and also to compress damping spring 22 when piece 37, right waist type roll piece 38, loosening with after the damping spring 22 anti-runnings.Left side clutch plate packing ring 54, right clutch plate packing ring 41 are thicker than left clutch plate roller 21 and right clutch plate roller 42 approximately, so left clutch plate roller 21 and right clutch plate roller 41 can roll in the clutch plate track when speed change, can rotate around packing ring again.
Referring to Figure 11, in the present embodiment, left waist shape is rolled piece 37, and right waist shape is rolled piece 38 corresponding symmetrical cold punchings and is processed with cylindrical boss, and roller 40 rolls on boss.Symbol * expression spot welding place, also available screw connects.Left and right sides waist shape is rolled piece and is wider than driving disc spacing pressing 29 tracks, guarantees that roller 40 rolls in driving disc spacing pressing 29 tracks.
Referring to Fig. 4, the automatic permanent device of transferring of the adjustable moment of torsion of present embodiment, by sleeve 11, be contained in the bearing at its two ends, be contained in the axis 3 of its inner chamber, be contained in successively from left to right a left side on the axis 3 step on turn 1, nut 4, packing ring 5, left backing ring 6, adjust spring perch 10, torsion spring 12, shaft block ring 34, backing ring 30, clutch plate spring perch 31, the anti-skidding awl seat 32 of driving disc spacing pressing, anti-skidding awl circle 33, adjust bung flange 35, the right side is stepped on and is turned 36 compositions.Wherein: bearing is made up of left backing ring 6, steel ball 7, left shaft holder 8 and backing ring 30, steel ball 19, right bearing seat 18.
Right bearing seat 18 small stairs are fixed on spider 62 sleeves 11 right-hand member places, and left shaft holder 8 small stair places are fixed on sleeve 11 left end places.Shaft block ring 34 is equipped with at place, axis 3 upper inner platform rank, and step is held backing ring 30, outer step left side near backing ring 30 right sides in the shaft block ring 34, and it is some between backing ring 30 left sides and right bearing seat 18 trajectories steel ball 19 to be housed.Between left side backing ring 6 and left shaft holder 8 trajectories some steel balls 7 are housed.Nut 4, packing ring 5 is by the endplay of threaded adjustment device on the axis and sleeve 11.
Pedal crank 36 is close to axis 3 by turning pin 2, thereby is close to driving disc spacing pressing 29 with driving disc spacing pressing Anti-skid seat 32 by anti-skidding awl seat 33, adjustment bung flange 35 simultaneously.
In the present embodiment, the formation of drive plate system reaches with adjustable moment of torsion is permanent automatically and transfers the connecting relation of the relevant part of device to be:
In the present embodiment; can order about the master; the middle shaft transmission engaging and disengaging gear of clutch plate combination or separation is referring to Fig. 4; Fig. 9 and Figure 11; this mechanism is by the middle shaft transmission 56 that is fixed on the spider 57; by screw 58; the 59 protection cover plates 60 that are attached thereto; dial circle 49 with the flute profile that protection cover plate 60 connects; be stuck in flute profile and dial the flute profile roller 48 that encloses in 49 grooves; make it the cylindricality ratchet 52 that combines as a whole with flute profile roller 48 by screw 53; be positioned at driving disc spacing pressing; right clutch plate 29; 28 anti-skidding sour jujube piece 51; 65, and the steel rope 55 of shaft transmission 66 along continuous straight runs sway is formed in driving.Pulling steel rope 55, handle in shaft transmission horizontal axis sway drive protection cover plate 60, flute profile and dial circle 49, flute profile roller 48, cylindricality ratchet 52 left and right horizontal directions and move; when automatic speed changing is done to decide than transmission to a certain desired location; be moved to the left the ratchet engagement of cylindricality ratchet 52 and anti-skidding sour jujube piece 51,65; master and slave Moving plate is combined into one; clutch plate can only revolve round the sun with driving disc spacing pressing; can not be with the payload rotation, so lose the automatic speed regulation function.The cylindricality that moves right ratchet 52 separates and throws off with anti-skidding sour jujube piece 51,65, and at this moment clutch plate not only can revolve round the sun with driving disc spacing pressing, and can be according to the payload rotation, so recover the automatic speed regulation function.
Referring to Figure 21-32, the wheel rim of the satellite gear 15 of the utility model can be made different shape such as various profile of tooth, flat belt groove, cone belt flute profile, R flute profile, protruding R shape etc., to adapt to many-sided transmission requirement, when driving torque is with transmission with load greater than single group, can adopt the multi-group transmission, when use does not contain the driving band of profile of tooth, should take into full account the female surface of driving band and satellite gear outer rim, select wide row or multiple row satellite gear for use, bring the deficiency that overcomes transfer charge with broadening or the transmission of the many groups of increase.
According to the above-mentioned multi-function automatic stepless speed regulator for bicycle that assembles, its principle of work such as following:
1. step on and turn by turning pin and axis is close to, be close to by anti-skidding awl seat, adjustment bung flange and driving disc spacing pressing on anti-skidding awl circle, the driving disc spacing pressing simultaneously, so can drive driving disc spacing pressing by pedal, driving disc spacing pressing drives the planet free-wheel clutch and drives driving band, and driving band drives the trailing wheel running;
2. when clutch plate is with driving disc spacing pressing, axis revolution, also can do suitable, anticlockwise direction rotation around driving disc spacing pressing, axis with payload;
3. array planet free-wheel clutch forms balanced support simultaneously by roller in two above clutch plates or two above driving disc spacing pressing tracks;
4. when master and slave Moving plate was in released state, device was in the automatic speed changing state, and foot-operated power transmits in the load that taken place in the process of riding on the trailing wheel and the resistance process and has three kinds of situations to produce overcoming driving band:
A. when load during greater than the first operation torque of torsion spring 12 (speed change is dynamics just), and decorate snap ring and stage clip effect down and during the static friction force of right clutch plate generation, clutch plate drives many group planet free-wheel clutchs synchronously along driving disc spacing pressing track radial shrinkage, descending change footpath than, until being reduced to minimum position.
B. when load during less than the operation torque of torsion spring 12, clutch plate torsion spring under torsional interaction, drives the single-phase clutch synchronization of many group satellite gears along master and slave Moving plate orbital drive to by little amplification, the footpath with regard to increase, is a maximum diameter ratio until maximum position than also.
C. when load equaled torsion spring 12 a certain operation torques, clutch plate and array satellite gear free-wheel clutch rested on a certain position, surely than transmission synchronously.
5. master and slave Moving plate rail wheel profile is smooth connection line segment, and roller is stepless rolling when rolling;
6. can drive driving band during satellite gear free-wheel clutch clickwise and drive the rear flywheel running, during left-hand revolution, satellite gear with surmount pin and separate, dally, automatic compensation pitch difference, and avoid mutual self-locking.
7. be processed with some ratchets on the outer inclined-plane of the anti-skidding toothholder on the driving disc spacing pressing, be fixed on to step in the anti-skidding awl circle that turns and be processed with identical ratchet on the inclined-plane, lift and turn handle drive axis under adjusting shown in the bung flange scale, torsion spring is transferred to required operation torque, with adjusting the bung flange fixing and locking, with the oneself who the adapts to different physical type people selection of measuring one's own ability.
By middle shaft transmission from ordering about master and slave Moving plate combination and separate with mechanism, thereby realize fixed purpose than, constant speed transmission or automatic stepless speed-regulating.
Second embodiment of the present utility model compares with first embodiment, the structure that increases to two driving disc spacing pressings and left and right bearing seat by the driving disc spacing pressing of first embodiment except that drive plate system slightly change all the other structures and principle of work identical with first embodiment, below just referring to Fig. 6, Figure 10 with second embodiment in the briefly description of part work one of first embodiment.That is:
Left clutch plate 14, right clutch plate 28 are close to by screw with three connecting panels 66, tightly are riveted together with rivet 67 and clutch plate spring perch 31 in the connecting panel 66.Be close to left driving disc spacing pressing 73 and right driving disc spacing pressing 29 with three driving disc spacing pressing connecting panels 68 by screw 70, screw 72, can turn round certain angle between driving disc spacing pressing connecting panel 68 and the connecting panel 66.So left and right clutch plate and clutch plate spring perch 31 turn round in certain angle in left and right driving disc spacing pressing and driving disc spacing pressing Anti-skid seat 32 endoporus.Therefore left and right clutch plate also can be with the big or small rotation of load in the driving disc spacing pressing revolution.
The cylindrical of left shaft holder 8, right bearing seat 18 excessively cooperation is respectively charged in 11 liang of stomidiums of spider sleeve.Between interior backing ring 47 and right bearing seat 18 trajectories some steel balls are housed.In the stepped hole, the right side joins with shaft block ring 34 end faces that are fixed on the axis 3 in interior backing ring 47 right sides of backing ring 30 left sides insertion, adjusts endplays by nut 4, packing ring 5, left backing ring 6, axis 3, spider sleeve 11, left shaft holder 8.
The 3rd embodiment of the present utility model compares with first embodiment, except that drive plate system is kept to a clutch plate and will be driven master and slave Moving plate joint and the middle shaft transmission engaging and disengaging gear that separates and change into the castellated manual clutch mechanism by two clutch plates, all the other structures are constant, and principle of work is identical.Below just the 3rd embodiment is different from first embodiment referring to Fig. 7, Figure 33, Figure 34 part do one and briefly describe:
Referring to Fig. 7, Figure 33-34, at first, former terminal pad 17 and right clutch plate spring perch 31 are made one, and be close to by screw 16 and left clutch plate 14, then middle shaft transmission engaging and disengaging gear is changed into castellated manual clutch mechanism.Described castellated manual clutch mechanism 75 is by the anchor ear 73 that is fixed on the spider 57, groove-shaped frame 84 with the anchor ear Joint, be contained in the groove-shaped frame lower channel also by bearing pin 88, axle sleeve 89 is with its clutch plate ratchet 80 that is cascaded, left side gear 79, the collar 90, reversed column 83, stir ring 85, end face clutch gear wheel 91, right side gear wheel 87, a driving disc spacing pressing ratchet 86 and a left side that is fixed in 84 2 ones of groove-shaped frames, right back plate 94,81, be contained in a left side, between the right back plate on it, in, the bottom respectively with fix shaft 93, torsion spring 82, torsion axis 77, dialling circle 85 joining arm-ties 96 and two ends forms with torsion spring 82 and handle 61 joining steel ropes 55 respectively.
In the present embodiment, be processed with some ratchets on master and slave Moving plate 29,14 wheel rims, clutch plate ratchet 80 and the 79 tight rivetings of left side gear wheel, and can with the ratchet engagement transmission of clutch plate 14; Driving disc spacing pressing ratchet 86 and the 87 tight rivetings of right side gear wheel, can with the ratchet engagement transmission on the driving disc spacing pressing 29; Reversed column 83 is close to end face gear wheel 91, dials circle 85 and is close to arm-tie 96, and torsion axis 77, torsion spring 82, arm-tie 92 are contained in forms lever return structure on left back plate 94, the right back plate 81; Fix shaft 93 is riveted tightly on arm-tie 96, and by screw 76 steel rope 55 is transferred to the tram, by bar handle 61, pulling steel rope 55, drive arm-tie 96, torsion spring 82, rotate, stir ring 85, reversed column 83, end face clutch gear wheel 91 left and right horizontal simultaneously and move around torsion axis 77.Being moved to the left end face clutch gear wheel 91 is combined into one with left side gear wheel 79, when at this moment driving disc spacing pressing 29, clutch plate 14,28 are combined into one in a certain position, clutch plate 14, in driving disc spacing pressing 29 revolution, lose with the payload rotation function, device is done surely no longer to keep the automatic stepless speed-regulating function than, constant speed transmission; Moving right, left side gear wheel 79 separates disengagement on end face clutch gear wheel 91 and the clutch plate ratchet 80, and at this moment driving disc spacing pressing 29, clutch plate 14 compositions are from state, in driving disc spacing pressing 29 revolution, can be with the payload rotation, and device recovers the automatic stepless speed-regulating function.
The 4th embodiment emphasis of the present utility model is referring to Fig. 8, this embodiment compares with first embodiment, except the middle shaft transmission engaging and disengaging gear with first embodiment changes castellated manual clutch mechanism into, all the other structures, principle of work are all identical with first embodiment, because the castellated manual clutch mechanism of this castellated manual clutch mechanism and the 3rd embodiment is identical, so repeat no more.
Above-mentioned various embodiment can select, accept or reject part body respectively and form simple function and complex function structure, satisfies the multifunctional speed regulating device of various demands and various uses:
1. master and slave Moving plate manual clutch mechanism is saved, device is the automatic stepless speed change state;
2. save when automatic gear shifting structure partly being made up, the device speed change is manually artificial state of a control;
3. the diameter with torsion spring 12 reduces, and device is the S. A. speed change state;
4. the light hours device selects two dishes or three dish structures; Select three dishes or the above structure of four dishes during heavy load;
5. device is optional when needing big speed ratio uses multistage transmission.
Above-mentioned various embodiment are implemented one-tenth capable of being combined various most preferred embodiments of the present invention respectively.
The utility model has the following advantages compared with prior art:
1. at first and second, among four embodiment, be left and right sides clutch plate because a former clutch plate increased to, the satellite gear free-wheel clutch places between the left and right clutch plate.Change the waist type roll packer on the former clutch plate into left and right sides clutch plate two rollers, form the two-way support of two-orbit, when having overcome speed change, the meshing interference phenomenon that the oblique rubbing that clutch plate and driving disc spacing pressing produce because of unbalance stress causes.Make device stress balance when radial motion, move steadily.Preferably driving disc spacing pressing being increased to during heavy duty is more than two.
2. change the involute arc orbit on driving disc spacing pressing, the clutch plate into the skew lines track, not only make the change in torque and the two dish track gradients of torsion spring, stressing conditions when load and resistance increase or reduce fits like a glove, and makes device correspondence, smoothness, nature when scope speed change significantly or by a small margin.But also overcome waist shape roll packer in former driving disc spacing pressing arc orbit when mobile, because of track is circular-arc, drive holder tooth that satellite gear free-wheel clutch swing rotation causes, jump defective such as tooth.
3. two dish track cross-sectional planes can be processed into shapes such as parallel lines track, concave track, middle raised track, I shape track, triangle track, square type track, ladder type track, but the roller of adapted different structure shape.
4. torsion spring is placed the bicycle tripod bearing cartridge, make the right grow the defective that center of gravity lays particular stress on partially and eliminated, install moulded and the coordination of bicycle integral layout, reasonable, unification.
5. the waist type roll packer on the former driving disc spacing pressing is reduced to two cylinder rollers by four I-shaped rollers, is contained in two waist types and rolls on the middle boss of piece.Simple in structure, good manufacturability.
6. with the overdrive clutch part in the satellite gear free-wheel clutch, adopt hinge to separate the combination tray type structure: to solve the excessive difficulty of processing technology difficulty, prevented that the easily loosening shortcoming of two ends fixing screw from producing.
7. not only can be processed into synchronizer gear and sprocket wheel on the outside cylinder of satellite gear free-wheel clutch, and other can form the different shape of transmission can also to be processed into triangle, cylindrical, middle concave, camber etc.; And can increase to many driving band transmissions by former wall scroll transmission.
Since set up one can make master and slave Moving plate in conjunction with or the manual clutch mechanism that separates, make this device not only have the automatic stepless speed-regulating function, and have artificial control surely than the function of, constant speed transmission.
Need to prove that at last the present invention has entered the pilot scale stage through exploring repeatedly, the parts more than 80% can directly adopt cold punching technology to obtain, good manufacturability is particularly suitable for producing the stock utilization height in enormous quantities, about every materials 3.5kg, after the general assembly about every weight 1.5kg.
Claims (7)
1. a multi-function automatic stepless speed regulator for bicycle comprises stepping on and turns, and turns the axis that is connected with stepping on, and driving band and dial the chain device is characterized in that:
A. a drive plate is, this dish system is made of a driving disc spacing pressing and a clutch plate at least;
B. planet circular system, this train is made of three planet free-wheel clutchs at least, and by roller wheel bearing between driving disc spacing pressing and clutch plate/clutch plate and clutch plate/driving disc spacing pressing and driving disc spacing pressing;
C. one one one link with driving disc spacing pressing, one one link with clutch plate, can do synchronously/the automatic permanent devices of transferring of the adjustable moment of torsion of relative motion for two ones;
D. one link with spider and can order about master and slave Moving plate in conjunction with or the manual clutch mechanism that separates.
2. according to the described multi-function automatic stepless speed regulator for bicycle of claim 1, it is characterized in that: the master and slave Moving plate that constitutes drive plate system is provided with and the angled rail groove of disk center's line, its shape is linearly/curve-like, its cross-sectional plane is straight parallel wire/middle concavity/middle convex/I-shaped shape/echelon form, and the rail groove angle direction of master and slave Moving plate is opposite.
3. according to claim 1,2 described multi-function automatic stepless speed regulator for bicycle, it is characterized in that the driving and driven plate wheel edge that constitutes drive plate system is provided with ratchet.
4. according to the described multi-function automatic stepless speed regulator for bicycle of claim 1, it is characterized in that: the planet free-wheel clutch that constitutes planet circular system is by satellite gear, a left side that connects as running-fit with the step cutting pattern hole of its both ends of the surface, right hinge dish, hinge joint is on a left side, on the right hinge dish and guarantee the pin that surmounts that satellite gear can only the unidirectional delivery moment of torsion, supporting surmounts the spring of pin, the flat axle that matches with left and right sides hinge dish inner chamber, be contained on the flat axle and be positioned at a left side, the right hinge dish outside and with the master, the roller that clutch plate rail groove shape matches, the left side of support driving disc spacing pressing roller, right waist shape is rolled piece and is contained in flat screw and antivibration spring in the centre hole and forms.
5. according to the described multi-function automatic stepless speed regulator for bicycle of claim 1, it is characterized in that: one one connect with driving disc spacing pressing, adjustable moment of torsion that one one connects with clutch plate automatic permanent transfer device by sleeve, be contained in its two ends bearing, be contained in the axis of its inner chamber, be contained in a left side on the axis successively from left to right and step on and turn, nut, packing ring, left backing ring, adjust spring perch, torsion spring, shaft block ring, backing ring, clutch plate spring perch, the anti-skidding awl seat of driving disc spacing pressing, anti-skidding awl circle, adjustment bung flange and the right side and step on to turn and form.
6. according to the described multi-function automatic stepless speed regulator for bicycle of claim 1; it is characterized in that: link with spider and also can order about the master; clutch plate combination or the manual clutch mechanism that separates are middle shaft transmission engaging and disengaging gear; by the middle shaft transmission that is fixed on the spider; the protection cover plate that connects with it by screw; dial circle with protection cover plate bonded assembly flute profile; be stuck in flute profile and dial flute profile roller in the ring recess; make it the cylindricality ratchet that combines as a whole with the flute profile roller by screw; be positioned at right main; anti-skidding sour jujube piece between clutch plate, and a shaft transmission along continuous straight runs left side in driving; the steel rope that moves right is formed.
7. according to the described multi-function automatic stepless speed regulator for bicycle of claim 1, it is characterized in that: link with spider and also can order about the master, clutch plate in conjunction with or the manual clutch mechanism that separates be castellated manual clutch mechanism, by the anchor ear that is fixed on the spider, groove-shaped frame with the anchor ear Joint, be contained in the groove-shaped frame lower channel and pass through bearing pin, axle sleeve is with its clutch plate ratchet that is cascaded, the left side gear, the collar, reversed column, stir ring, end face clutch gear wheel, the right side gear wheel, a driving disc spacing pressing ratchet and a left side that is fixed in groove-shaped frame top, right back plate, be contained in a left side, between the right back plate, on it, in, the bottom respectively with fix shaft, torsion spring, torsion axis, dialling joining arm-tie of circle and two ends forms with torsion spring and the joining steel rope of handle respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95201696 CN2229411Y (en) | 1995-01-17 | 1995-01-17 | Multi-function automatic stepless adjustable speed apparatus for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95201696 CN2229411Y (en) | 1995-01-17 | 1995-01-17 | Multi-function automatic stepless adjustable speed apparatus for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2229411Y true CN2229411Y (en) | 1996-06-19 |
Family
ID=33855058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95201696 Expired - Fee Related CN2229411Y (en) | 1995-01-17 | 1995-01-17 | Multi-function automatic stepless adjustable speed apparatus for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2229411Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816781A (en) * | 2015-03-24 | 2015-08-05 | 李皓明 | Super variable-speed gear |
| CN108502094A (en) * | 2018-05-14 | 2018-09-07 | 赵宁 | Step-less speed changing planetary gear system |
-
1995
- 1995-01-17 CN CN 95201696 patent/CN2229411Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816781A (en) * | 2015-03-24 | 2015-08-05 | 李皓明 | Super variable-speed gear |
| CN108502094A (en) * | 2018-05-14 | 2018-09-07 | 赵宁 | Step-less speed changing planetary gear system |
| CN108502094B (en) * | 2018-05-14 | 2024-04-02 | 赵宁 | Planetary gear stepless speed change system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |