CN204403222U - Side control screw spring engaging and disengaging gear - Google Patents

Abstract

Side control screw spring engaging and disengaging gear, the passive arbor wheel comprising an externally threaded driven axle of band and be screwed on driven axle, the excircle central authorities overcoat of passive arbor wheel has a passive free wheel, the passive arbor wheel excircle of passive free wheel side is symmetrically installed with multiple clutch connecting lever wheel, left accessory whorl, left buffering wheel, left gear wheel and left spring is had on the left of passive arbor wheel, have right accessory whorl, right buffering wheel, right gear wheel and right spring on the right side of passive arbor wheel, passive free wheel is provided with one and half drum magnetic shoes away from driving wheel side; It is characterized in that: passive free wheel is arranged on the middle position of the excircle of passive arbor wheel, the side symmetry of passive free wheel has multiple passive free wheel sides groove, the side of passive free wheel side groove is symmetrically installed with multiple clutch connecting lever wheel, each clutch connecting lever one end is provided with a clutch connecting lever trundle axle and clutch connecting lever trundle, the other end has clutch connecting lever foot piece, a clutch connecting lever port tailplane is installed on the left of clutch connecting lever foot piece, a clutch connecting lever starboard tailplane is installed on the right side of clutch connecting lever foot piece.

Description

Side control screw spring engaging and disengaging gear

Technical field

The present invention relates to side control screw spring engaging and disengaging gear, be applicable to the clutch speed changer of all automobiles, belong to automotive transmission technical field.

Background technique

Since automobile is born, the paces of the clutch of human research's automobile were never interrupted, people develop many moneys automobile clutch miscellaneous, modern conventional clutch mainly contains friction clutch, fluid coupling clutch, magnetic clutch etc., but these clutches all cannot accomplish gear-driven efficient driving efficiency, the patent of invention " 201510001309.7 screw spring clutch " of Wei Baiqing designs ingenious, but it is larger by the impact of rotary centrifugal force, namely when the rotational speed of driven wheel is larger, likely there is the closed fortuitous event of clutch because centrifugal force is excessive in the little magnetic patch in the roulette wheel that driven wheel drives, the present invention strives and has carried out corresponding improvement to above-mentioned defect, on the basis of the patent of invention " 201510000063.1 screw spring synchronizer " of Wei Baiqing, utilize screw rod and spring to be combined dexterously and utilize magnetic principle engaging and disengaging gear to be arranged on the side of the roulette wheel that driven wheel drives, and magnetic block is adsorbed on the roulette wheel outer peripheral surface of driven wheel drive when engaging and disengaging gear is not closed, thus centrifugal force can not occur cross ambassador's magnetic block and be thrown out of and the state that engaging and disengaging gear surprisingly closes, thus formed contactless, utilize spring buffer, without obvious pause and transition in rhythm or melody sense, the clutch of efficient driving power as the gear-driven efficiency.

Summary of the invention

The object of this invention is to provide a kind of utilize screw rod and spring to combine dexterously and utilize magnetic principle formed engaging and disengaging gear roulette wheel side clutch, contactless, utilize spring buffer, without obvious pause and transition in rhythm or melody sense, screw spring engaging and disengaging gear is controlled in the side of efficient driving power as the gear-driven efficiency.

Side control screw spring engaging and disengaging gear, the passive arbor wheel comprising an externally threaded driven axle of band and be screwed on driven axle, the excircle central authorities overcoat of passive arbor wheel has a passive free wheel, the passive arbor wheel excircle of passive free wheel side is symmetrically installed with multiple clutch connecting lever wheel, left accessory whorl, left buffering wheel, left gear wheel and left spring is had on the left of passive arbor wheel, have right accessory whorl, right buffering wheel, right gear wheel and right spring on the right side of passive arbor wheel, passive free wheel is provided with one and half drum magnetic shoes away from driving wheel side; It is characterized in that:

1, internal thread is had in passive arbor wheel center hole, outside thread on the internal thread of passive arbor wheel and driven axle matches, namely passive arbor wheel can overlap to be screwed on driven axle and can to rotate forward like a cork to be moved to the left on driven axle and move right with counterrotating, left accessory whorl is had on the left of passive arbor wheel, left buffering wheel, left gear wheel and left spring, right accessory whorl is had on the right side of passive arbor wheel, right buffering wheel, right gear wheel and right spring, when passive arbor wheel rotates forward and is moved to the left, the force action and rotating being subject to the acting force of the spring of the right spring on left spring on the left of passive arbor wheel and right side is slowed down, when passive arbor wheel rotate forward be moved to the left to left buffering wheel time, the left surface of the left accessory whorl on the left of passive arbor wheel abuts in the right flank of the left buffering wheel on the left of passive arbor wheel and stops being moved to the left, now passive arbor wheel and driven axle synchronous rotary, when passive arbor wheel counterrotating moves right, the force action and rotating being subject to the acting force of the spring of the right spring on left spring on the left of passive arbor wheel and right side is slowed down, when passive arbor wheel counterrotating moves right to right buffering wheel, the right flank of the right accessory whorl on the right side of passive arbor wheel abuts in the left surface of the right buffering wheel on the right side of passive arbor wheel and stops moving right, now passive arbor wheel and driven axle synchronous rotary, passive free wheel is provided with one and half drum magnetic shoes away from driving wheel side, half drum magnetic shoe is strong magnetism magnetic shoe, the magnetic field polarity of half drum magnetic shoe is consistent and overlapping with half drum radial line direction of half drum magnetic shoe, the large D of half drum radius ratio passive free wheel external diameter radius of half drum magnetic shoe, 3mm≤D≤30 mm, half drum magnetic shoe can do and move perpendicular to driven axle wheel direction of axis line, namely half drum magnetic shoe can do and move close to passive arbor wheel direction and move away from passive arbor wheel direction above passive arbor wheel, when half drum magnetic shoe to move to half drum magnetic shoe lower limb away from passive arbor wheel direction is on the upside of passive free wheel, the magnetic block magnetic attraction of half drum magnetic shoe to passive arbor wheel excircle is minimum and cannot attracting magnetic suction block, when half drum magnetic shoe close to passive arbor wheel direction move to half drum magnetic shoe semicircle internal surface and passive free wheel outer round surface distance for D time, the magnetic attraction of half drum magnetic shoe attracts the magnetic block on the clutch connecting lever wheel of half on passive arbor wheel excircle, and make magnetic block away from passive arbor wheel external peripheral surface.

2, passive free wheel is arranged on the middle position of the excircle of passive arbor wheel, passive free wheel inner ring is provided with one group of bearing and is connected with passive arbor wheel, the side symmetry of passive free wheel has multiple passive free wheel sides groove, passive free wheel side groove is semi-circular shape, the center line of passive free wheel side groove 19 is overlapping with the radial line of passive free wheel, the side that the passive free wheel of passive arbor wheel excircle has multiple passive free wheel sides groove is symmetrically installed with multiple clutch connecting lever wheel, each clutch connecting lever wheel is a connecting lever shape, the angle that connecting lever turns round is Ф, 100 o≤Ф≤165o, connecting lever position of turning round has a rotating shaft to be clutch connecting lever running shaft, each clutch connecting lever running shaft is connected with the support be fixedly mounted on passive arbor wheel excircle, the clutch connecting lever that each clutch connecting lever is taken turns can rotate around clutch connecting lever running shaft, a clutch connecting lever running shaft spring is installed outside each clutch connecting lever running shaft, when there is no the magnetic attraction effect of half drum magnetic shoe, this clutch connecting lever running shaft spring makes clutch connecting lever take turns and is in a stable state of rest, now the magnetic block of clutch connecting lever wheel is adsorbed on passive arbor wheel excircle, when there being the magnetic attraction effect of half drum magnetic shoe, the magnetic attraction attracting magnetic suction block of half drum magnetic shoe also overcomes the spring-force driven dual of clutch connecting lever running shaft spring and makes magnetic block leave passive arbor wheel external peripheral surface, when the magnetic attraction of half drum magnetic shoe disappears, because of the spring-force driven dual of clutch connecting lever running shaft spring, magnetic block being returned to again is adsorbed on passive arbor wheel external peripheral surface, each clutch connecting lever is provided with a clutch connecting lever trundle axle near groove one end, passive free wheel side of passive free wheel one side, outside each clutch connecting lever trundle axle, a clutch connecting lever trundle is installed, the quantity of clutch connecting lever trundle and the passive free wheel side groove match of distribution and passive free wheel side, the passive free wheel side groove of semi-circular shape just holds half clutch connecting lever trundle, and all passive free wheel side grooves just hold all clutch connecting lever trundles simultaneously, when the central shaft of each clutch connecting lever trundle is parallel with the radial line of passive arbor wheel, the central shaft of each clutch connecting lever trundle is parallel with the side of passive free wheel, and the half of each clutch connecting lever trundle just embeds in corresponding passive free wheel side groove, it is now engaging and disengaging gear closed state, each clutch connecting lever is provided with one piece of magnetic block away from one end of passive free wheel side groove, magnetic block has a clutch connecting lever to extend the clutch connecting lever foot piece of coming away from the side of passive free wheel side groove, a clutch connecting lever port tailplane is installed on the left of clutch connecting lever foot piece, a clutch connecting lever starboard tailplane is installed on the right side of clutch connecting lever foot piece, the afterbody 1/3rd of all clutch connecting lever port tailplanes is pressed in afterbody 1/3rd place of adjacent clutch connecting lever starboard tailplane, thus, when the clutch connecting lever of half quantity magnetic block by the magnetic force of half drum magnetic shoe pick up leave passive arbor wheel excircle time, the clutch connecting lever starboard tailplane of these clutch connecting levers is driven by during the pull-up of magnetic block the clutch connecting lever port tailplane be pressed on the clutch connecting lever starboard tailplane of this clutch connecting lever that also pull-up is adjacent, the clutch connecting lever port tailplane be pulled up is risen together with the same clutch connecting lever starboard tailplane be arranged on a clutch connecting lever foot piece, and the clutch connecting lever starboard tailplane that this is pulled up drives the adjacent clutch connecting lever port tailplane be pressed on the clutch connecting lever starboard tailplane of this clutch connecting lever simultaneously, like this magnetic block by the magnetic force of half drum magnetic shoe pick up leave passive arbor wheel excircle time, by clutch connecting lever starboard tailplanes all for pull-up and clutch connecting lever port tailplane, thus drive all clutch connecting lever foot pieces and magnetic block, when clutch connecting lever foot piece and magnetic block are pulled up to several angle, the clutch connecting lever trundle be connected by clutch connecting lever with magnetic block has on the side of groove side, passive free wheel side by abutting in passive free wheel, and clutch connecting lever trundle is scratched rotation on passive free wheel side, when clutch connecting lever trundle be scratched rotate to passive free wheel side groove time, magnetic force due to half drum magnetic shoe is inhaled the half magnetic block that hauls passive arbor wheel excircle always and clutch connecting lever trundle is rotated snap in the groove of passive free wheel side, thus make passive free wheel and passive arbor wheel mesh together rotation, because the driving wheel of the outer gear teeth of the passive free wheel of passive free wheel and the driving wheel on driving shaft outward gear teeth meshing makes passive free wheel and driving wheel rotate with linear velocity, passive arbor wheel is then rotated with angular velocity with the spring force drive of right spring by left spring together with driven axle, the rotation of passive arbor wheel has certain non-rigid feature, so, when the magnetic force of half drum magnetic shoe is inhaled the half magnetic block that hauls passive arbor wheel excircle and is made clutch connecting lever trundle rotate to snap in the groove of passive free wheel side always, the rotational speed of passive free wheel and the rotational speed of passive arbor wheel different, but under difference is no more than the condition of 25%, clutch connecting lever trundle can be easily, snap in the groove of passive free wheel side rapidly, thus make the rotational speed of passive free wheel reach the same with the rotational speed of passive arbor wheel, realize the closure function in clutch, in passive arbor wheel and passive free wheel closing course, namely move closer in the rotational speed process of passive free wheel in the rotational speed of passive arbor wheel, and that make passive arbor wheel on driven axle do relative to the driven axle rotation different with driven axle rotational speed because speed changes of passive arbor wheel, and by the left spring on the left of force transmission to passive arbor wheel and the right spring on the right side of passive arbor wheel, the rotational speed of passive arbor wheel is made to move closer to the rotational speed of driven axle, rotational speed and the rotational speed of passive arbor wheel of passive free wheel reach the same after, passive arbor wheel overcomes making a concerted effort of the active force of the right spring on the right side of the active force of the left spring on the left of passive arbor wheel and passive arbor wheel, on the left buffering wheel right flank that left accessory whorl left surface on the left of passive arbor wheel is abutted on the left of passive arbor wheel, thus make passive arbor wheel relative with driven axle position fixing, and then realize passive arbor wheel and driven axle rotates with angular velocity, or on the right buffering wheel left surface that the right accessory whorl right flank on the right side of passive arbor wheel is abutted on the right side of passive arbor wheel, thus make passive arbor wheel relative with driven axle position fixing, and then realize passive arbor wheel and driven axle rotates with angular velocity, complete the closed synchronous overall process in clutch process thus, when the lower limb that half drum magnetic shoe moves apart passive arbor wheel to half drum magnetic shoe is on the upside of passive free wheel, half drum magnetic shoe disappears to the magnetic active force of magnetic block, thus make magnetic block because being arranged on the effect of the clutch connecting lever running shaft spring-return power on clutch connecting lever running shaft, to be returned on passive arbor wheel outer peripheral surface and to be adsorbed on passive arbor wheel outer peripheral surface, thus make clutch connecting lever trundle leave passive free wheel side groove, and then passive free wheel is only connected and each spinning by one group of bearing with passive arbor wheel, complete the separation process in clutch process.

3, screw spring synchronizer: passive arbor wheel left surface is installed with left accessory whorl, the diameter of left accessory whorl is less than the diameter of passive arbor wheel, the center-hole diameter of left accessory whorl is larger than the externally threaded external diameter of driven axle, there is left buffering wheel in the left side of left accessory whorl, the left surface of left buffering wheel is installed with left gear wheel, the diameter of left buffering wheel is less than the diameter of left gear wheel, the center-hole diameter of left buffering wheel is larger than the externally threaded external diameter of driven axle, a left spring is had between left accessory whorl and left buffering wheel, the spring ring internal diameter of left spring is larger than the external diameter of left accessory whorl, the spring ring internal diameter of left spring is larger than the external diameter of left buffering wheel, the left end of left spring is fixedly mounted on the right flank of left gear wheel, the right-hand member of left spring is fixedly mounted on the left surface of passive arbor wheel, left buffering wheel and left accessory whorl standoff distance are that L is left, left gear wheel is fixedly mounted on driven axle, passive arbor wheel right flank is installed with right accessory whorl, the diameter of right accessory whorl is less than the diameter of passive arbor wheel, the center-hole diameter of right accessory whorl is larger than the externally threaded external diameter of driven axle, there is right buffering wheel on the right side of right accessory whorl, the right flank of right buffering wheel is installed with right gear wheel, the diameter of right buffering wheel is less than the diameter of right gear wheel, the center-hole diameter of right buffering wheel is larger than the externally threaded external diameter of driven axle, a right spring is had between right accessory whorl and right buffering wheel, the spring ring internal diameter of right spring is larger than the external diameter of right accessory whorl, the spring ring internal diameter of right spring is larger than the external diameter of right buffering wheel, the right-hand member of right spring is fixedly mounted on the left surface of right gear wheel, the left end of right spring is fixedly mounted on the right flank of passive arbor wheel, right buffering wheel and right accessory whorl standoff distance are that L is right, right gear wheel is fixedly mounted on driven axle.

4, left spring is consistent with the spring steel bar Hand of spiral of right spring, when passive arbor wheel produces and rotates, can rotate forward on the screw thread of driven axle and to be moved to the left or counterrotating moves right, because the left spring left end on the left of passive arbor wheel is fixedly mounted on the right flank of left gear wheel, left spring right-hand member on the left of passive arbor wheel is fixedly mounted on the left surface of passive arbor wheel, left gear wheel is fixedly mounted on driven axle, relative driven axle is static non rotating, because the right spring right-hand member on the right side of passive arbor wheel is fixedly mounted on the left surface of right gear wheel, right spring left end on the right side of passive arbor wheel is fixedly mounted on the right flank of passive arbor wheel, right gear wheel is fixedly mounted on driven axle, relative driven axle is static non rotating, and passive arbor wheel can rotate on the screw thread of driven axle, so, the right-hand member that passive arbor wheel rotarily drives left spring on the screw thread of driven axle screws direction around driven axle to left spring and rotates, and produce the acting force of the spring that driven axle rotation is curled up in spring resistance, passive arbor wheel rotate on the screw thread of driven axle also drive the left end of right spring on the right side of passive arbor wheel around driven axle to the right spring unscrew direction and rotate, and produce spring resistance and curl up the acting force of the spring that driven axle unscrews, passive arbor wheel rotate forward on the screw thread of driven axle be moved to the left or counterrotating move right the right spring needing the acting force of the spring of the left spring simultaneously overcome on the left of passive arbor wheel and right side acting force of the spring make a concerted effort, when passive arbor wheel rotate forward be moved to the left time, passive arbor wheel rotates to the left buffering wheel the closer to left side, passive arbor wheel is subject to the larger with joint efforts of the acting force of the spring of the acting force of the spring of the left spring on the left of passive arbor wheel and the right spring on right side, when passive arbor wheel by External Force Acting rotate forward the left surface being moved to the left to left accessory whorl abut in the right flank of left buffering wheel time, passive arbor wheel is subject to the maximum with joint efforts of the acting force of the spring of the acting force of the spring of the left spring on the left of passive arbor wheel and the right spring on right side, now, passive arbor wheel makes passive arbor wheel and driven axle with the equidirectional rotation of speed because being subject to the stop of left gear wheel, namely the External Force Acting totally tansitive that now passive arbor wheel is subject to gives driven axle, the now rotation of driving wheel realizes synchronous with the rotation of driven axle, and the not consumed energy of having made a concerted effort into internal force of the acting force of the spring of the acting force of the spring of left spring on the left of passive arbor wheel and the right spring on right side, when passive arbor wheel counterrotating moves right, passive arbor wheel rotates to the right buffering wheel the closer to right side, passive arbor wheel be subject to the acting force of the spring of the acting force of the spring of right spring on the right side of passive arbor wheel and the left spring in left side make a concerted effort larger, when passive arbor wheel abuts in the left surface of right buffering wheel by the right flank that External Force Acting counterrotating moves right to right accessory whorl, passive arbor wheel is subject to the maximum with joint efforts of the acting force of the spring of the acting force of the spring of right spring on the right side of passive arbor wheel and the left spring in left side, now, passive arbor wheel makes passive arbor wheel and driven axle with the equidirectional rotation of speed because being subject to the stop of right gear wheel, namely the External Force Acting totally tansitive that now passive arbor wheel is subject to gives driven axle, the now rotation of driving wheel realizes synchronous with the rotation of driven axle, and the not consumed energy of having made a concerted effort into internal force of the acting force of the spring of the acting force of the spring of right spring on the right side of passive arbor wheel and the left spring in left side.

The present invention compared with prior art has the following advantages:

1. clutch process of the present invention is the contactless control of magnetic drives, and in passive arbor wheel and passive free wheel engagement process, because passive arbor wheel is mainly subject to the active force of left spring and right spring two springs, the effect of spring be have larger flexible, so passive arbor wheel can be more steady with passive free wheel engagement process.

2. the transmission after the present invention is synchronously direct-drive, and can not produce the reduction of any transmission efficiency.

3. the magnetic block of clutch connecting lever wheel is not when being subject to the effect of the external magnetic field power such as half drum magnetic shoe, is adsorbed on the excircle of passive arbor wheel, and can not affects by the rotary centrifugal force of passive arbor wheel.

Accompanying drawing explanation

Fig. 1 is the axial section structural representation of the embodiment of the present invention;

Fig. 2 is AA axial cross-sectional views embodiment illustrated in fig. 1;

Fig. 3 is AA radial section schematic diagram embodiment illustrated in fig. 1;

Fig. 4 is the P enlarged diagram of clutch connecting lever embodiment illustrated in fig. 2 wheel and passive free wheel separated state;

Fig. 5 is the P enlarged diagram of clutch connecting lever embodiment illustrated in fig. 2 wheel and passive free wheel closed state;

Fig. 6 is that driven axle wheel surface clutch arbor wheel embodiment illustrated in fig. 1 launches schematic diagram;

Fig. 7 is the Q enlarged diagram of closed state embodiment illustrated in fig. 6.

In Fig. 1-7: 1, driven axle 2, driving shaft 3, left gear wheel 4, left buffering wheel 5, left spring 6, left accessory whorl 7, driving wheel 8, passive arbor wheel 9, right accessory whorl 10, passive free wheel 11, clutch connecting lever wheel 12, right spring 13, right buffering wheel 14, right gear wheel 15, half drum magnetic shoe supporting is 16, half drum magnetic shoe 17, bearing 18, the outer gear teeth 19 of passive free wheel, passive free wheel side groove 20, clutch connecting lever trundle 21, clutch connecting lever trundle axle 22, clutch connecting lever 23, clutch connecting lever running shaft spring 24, clutch connecting lever running shaft 25, magnetic block 26, clutch connecting lever foot piece 27, clutch connecting lever port tailplane 28, clutch connecting lever starboard tailplane 29, the outer gear teeth of driving wheel.

Embodiment

In the embodiment shown in Fig. 1-7: side control screw spring engaging and disengaging gear, the passive arbor wheel 8 comprising an externally threaded driven axle 1 of band and be screwed on driven axle 1, the excircle central authorities overcoat of passive arbor wheel 8 has a passive free wheel 10, passive arbor wheel 8 excircle of passive free wheel 10 side is symmetrically installed with multiple clutch connecting lever wheel 11, left accessory whorl 6 is had on the left of passive arbor wheel 8, left buffering wheel 4, left gear wheel 3 and left spring 5, right accessory whorl 9 is had on the right side of passive arbor wheel 8, right buffering wheel 13, right gear wheel 14 and right spring 12, passive free wheel 10 is provided with one and half drum magnetic shoes 16 away from driving wheel 7 side, it is characterized in that: in passive arbor wheel 8 center hole, have internal thread, outside thread on the internal thread of passive arbor wheel 8 and driven axle 1 matches, namely passive arbor wheel 8 can overlap to be screwed on driven axle 1 and can to rotate forward to be moved to the left on driven axle 1 like a cork and move right with counterrotating, left accessory whorl 6 is had on the left of passive arbor wheel 8, left buffering wheel 4, left gear wheel 3 and left spring 5, right accessory whorl 9 is had on the right side of passive arbor wheel 8, right buffering wheel 13, right gear wheel 14 and right spring 12, when passive arbor wheel 8 rotates forward and is moved to the left, the force action and rotating being subject to the acting force of the spring of the right spring 12 on left spring 5 on the left of passive arbor wheel 8 and right side is slowed down, when passive arbor wheel 8 rotate forward be moved to the left to left buffering wheel 4 time, the left surface of the left accessory whorl 6 on the left of passive arbor wheel 8 abuts in the right flank of the left buffering wheel 4 on the left of passive arbor wheel 8 and stops being moved to the left, now passive arbor wheel 8 and driven axle 1 synchronous rotary, when the counterrotating of passive arbor wheel 8 moves right, the force action and rotating being subject to the acting force of the spring of the right spring 12 on left spring 5 on the left of passive arbor wheel 8 and right side is slowed down, when the counterrotating of passive arbor wheel 8 moves right to right buffering wheel 13, the right flank of the right accessory whorl 9 on the right side of passive arbor wheel 8 abuts in the left surface of the right buffering wheel 13 on the right side of passive arbor wheel 8 and stops moving right, now passive arbor wheel 8 and driven axle 1 synchronous rotary, passive free wheel 10 is provided with one and half drum magnetic shoes 16 away from above driving wheel 7 side, half drum magnetic shoe 16 is strong magnetism magnetic shoe, the magnetic field polarity of half drum magnetic shoe 16 is consistent and overlapping with half drum radial line direction of half drum magnetic shoe 16, the large D of half drum radius ratio passive free wheel 10 external diameter radius of half drum magnetic shoe 16,3mm≤D≤30 mm, half drum magnetic shoe 16 can do and move perpendicular to passive arbor wheel 8 direction of axis line, namely half drum magnetic shoe 16 can do and move close to passive arbor wheel 8 direction and move away from passive arbor wheel 8 direction above passive arbor wheel 8, when half drum magnetic shoe 16 to move to half drum magnetic shoe 16 lower limb away from passive arbor wheel 8 direction is on the upside of passive free wheel 10, magnetic block 25 magnetic attraction of half drum magnetic shoe 16 to passive arbor wheel 8 excircle diminishes and cannot attracting magnetic suction block 25, when half drum magnetic shoe 16 close to passive arbor wheel 8 direction move to half drum magnetic shoe 16 semicircle internal surface and passive free wheel 10 outer round surface distance for D time, the magnetic attraction of half drum magnetic shoe 16 attracts the magnetic block 25 on the clutch connecting lever wheel 11 of half on passive arbor wheel 8 excircle, and make magnetic block 25 away from passive arbor wheel 8 external peripheral surface.

Passive free wheel 10 is arranged on the middle position of the excircle of passive arbor wheel 8, passive free wheel 10 inner ring is provided with one group of bearing 17 and is connected with passive arbor wheel 8, the side symmetry of passive free wheel 10 has multiple passive free wheel sides groove 19, passive free wheel side groove 19 is semi-circular shape, the center line of passive free wheel side groove 19 is overlapping with the radial line of passive free wheel 10, the side that the passive free wheel 10 of passive arbor wheel 8 excircle has multiple passive free wheel sides groove 19 is symmetrically installed with multiple clutch connecting lever wheel 11, each clutch connecting lever wheel 11 is a connecting lever shape, the angle that connecting lever turns round is Ф, 100 o≤Ф≤165o, connecting lever position of turning round has a rotating shaft to be clutch connecting lever running shaft 24, each clutch connecting lever running shaft 24 is connected with the support be fixedly mounted on passive arbor wheel 8 excircle, the clutch connecting lever 22 making each clutch connecting lever take turns 11 can rotate around clutch connecting lever running shaft 24, a clutch connecting lever running shaft spring 23 is installed outside each clutch connecting lever running shaft 24, when there is no the magnetic attraction effect of half drum magnetic shoe 16, this clutch connecting lever running shaft spring 23 makes clutch connecting lever take turns 11 and is in a stable state of rest, now the magnetic block 25 of clutch connecting lever wheel 11 is adsorbed on passive arbor wheel 8 excircle, when there being the magnetic attraction effect of half drum magnetic shoe 16, the magnetic attraction attracting magnetic suction block 25 of half drum magnetic shoe 16 also overcomes the spring-force driven dual of clutch connecting lever running shaft spring 23 and makes magnetic block 25 leave passive arbor wheel 8 external peripheral surface, when the magnetic attraction of half drum magnetic shoe 16 disappears, because of the spring-force driven dual of clutch connecting lever running shaft spring 23, magnetic block 25 being returned to again is adsorbed on passive arbor wheel 8 external peripheral surface, each clutch connecting lever 22 is provided with a clutch connecting lever trundle axle 21 near groove 19 one end, passive free wheel side of passive free wheel 10 1 side, outside each clutch connecting lever trundle axle 21, a clutch connecting lever trundle 20 is installed, quantity and the distribution of clutch connecting lever trundle 20 match with the passive free wheel side groove 19 of passive free wheel 10 side, the passive free wheel side groove 19 of semi-circular shape just holds half clutch connecting lever trundle 20, and all passive free wheel side grooves 19 just hold all clutch connecting lever trundles 20 simultaneously, when the central shaft of each clutch connecting lever trundle 20 is parallel with the radial line of passive arbor wheel 8, the central shaft of each clutch connecting lever trundle 20 is parallel with the side of passive free wheel 10, and the half of each clutch connecting lever trundle 20 just embeds in corresponding passive free wheel side groove 19, it is now engaging and disengaging gear closed state, each clutch connecting lever 22 is provided with one piece of magnetic block 25 away from one end of passive free wheel side groove 19, the clutch connecting lever foot piece 26 that magnetic block 25 has clutch connecting lever 22 horizontal-extending to come away from the side of passive free wheel side groove 19, a clutch connecting lever port tailplane 27 is installed on the left of clutch connecting lever foot piece 26, a clutch connecting lever starboard tailplane 28 is installed on the right side of clutch connecting lever foot piece 26, the afterbody 1/3rd of all clutch connecting lever port tailplanes 27 is pressed in afterbody 1/3rd place of adjacent clutch connecting lever starboard tailplane 28, thus, magnetic block 25 on the clutch connecting lever 22 of half quantity by the magnetic force of half drum magnetic shoe 16 pick up leave passive arbor wheel 8 excircle time, the clutch connecting lever starboard tailplane 28 of these clutch connecting levers 22 is driven by during 25 pull-up of magnetic block the clutch connecting lever port tailplane 27 be pressed on the clutch connecting lever starboard tailplane 28 of these clutch connecting levers 22 that also pull-up is adjacent, the clutch connecting lever port tailplane 27 be pulled up is risen together with the same clutch connecting lever starboard tailplane 28 be arranged on a clutch connecting lever foot piece 26, and the clutch connecting lever starboard tailplane 28 that this is pulled up drives the adjacent clutch connecting lever port tailplane 27 be pressed on the clutch connecting lever starboard tailplane 28 of these clutch connecting levers 22 simultaneously, like this magnetic block 25 by the magnetic force of half drum magnetic shoe 16 pick up leave passive arbor wheel 8 excircle time, by clutch connecting lever starboard tailplanes 28 all for pull-up and clutch connecting lever port tailplane 27, thus drive all clutch connecting lever foot pieces 26 and magnetic block 25, when clutch connecting lever foot piece 26 and magnetic block 25 are pulled up to several angle, the clutch connecting lever trundle 20 be connected by clutch connecting lever 22 with magnetic block 25 has on the side of groove 19 side, passive free wheel side by abutting in passive free wheel 10, and clutch connecting lever trundle 20 is scratched rotation on passive free wheel 10 side, when clutch connecting lever trundle 20 be scratched rotate to passive free wheel side groove 19 time, magnetic force due to half drum magnetic shoe 16 is inhaled the half magnetic block 25 that hauls passive arbor wheel 8 excircle always and clutch connecting lever trundle 20 is rotated snap in passive free wheel side groove 19, thus make passive free wheel 10 mesh together rotation with passive arbor wheel 8, because the outer gear teeth 18 of the passive free wheel of passive free wheel 10 engage with the outer gear teeth 29 of the driving wheel of the driving wheel 7 on driving shaft 2, passive free wheel 10 is rotated with linear velocity with driving wheel 7, passive arbor wheel 8 is then rotated with angular velocity with the spring force drive of right spring 12 by left spring 5 together with driven axle 1, the rotation of passive arbor wheel 8 has certain non-rigid feature, so, when the magnetic force of half drum magnetic shoe 16 is inhaled the half magnetic block 25 that hauls passive arbor wheel 8 excircle and is made clutch connecting lever trundle 20 rotate to snap in passive free wheel side groove 19 always, the rotational speed of passive free wheel 10 and the rotational speed of passive arbor wheel 8 different, but under difference is no more than the condition of 25%, clutch connecting lever trundle 20 can snap in passive free wheel side groove 19 rapidly, thus make the rotational speed of passive free wheel 10 reach the same with the rotational speed of passive arbor wheel 8, realize the closure function in clutch, at passive arbor wheel 8 with passive free wheel 10 closing course, namely move closer in the rotational speed of passive arbor wheel 8 in the rotational speed process of passive free wheel 10, and that make passive arbor wheel 8 on driven axle 1 do relative to driven axle 1 rotation different with driven axle 1 rotational speed because speed changes of passive arbor wheel 8, and by the left spring 5 on the left of force transmission to passive arbor wheel 8 and the right spring 12 on the right side of passive arbor wheel 8, the rotational speed of passive arbor wheel 8 is made to move closer to the rotational speed of driven axle 1, rotational speed and the rotational speed of passive arbor wheel 8 of passive free wheel 10 reach the same after, passive arbor wheel 8 overcomes making a concerted effort of the active force of the right spring 12 on the right side of the active force of the left spring 5 on the left of passive arbor wheel 8 and passive arbor wheel 8, on left buffering wheel 4 right flank that left accessory whorl 6 left surface on the left of passive arbor wheel 8 is abutted on the left of passive arbor wheel 8, thus make passive arbor wheel 8 relative fixing with driven axle 1 position, and then realize passive arbor wheel 8 and rotate with angular velocity with driven axle 1, or on right buffering wheel 13 left surface that right accessory whorl 9 right flank on the right side of passive arbor wheel 8 is abutted on the right side of passive arbor wheel 8, thus make passive arbor wheel 8 relative fixing with driven axle 1 position, and then realize passive arbor wheel 8 and rotate with angular velocity with driven axle 1, complete the closed synchronous overall process in clutch process thus, when the lower limb that half drum magnetic shoe 16 moves apart passive arbor wheel 8 to half drum magnetic shoe 16 is on the upside of passive free wheel 10, the magnetic active force of half drum magnetic shoe, 16 pairs of magnetic blocks 25 disappears, thus make magnetic block 25 because being arranged on the effect of clutch connecting lever running shaft spring 23 restoring force on clutch connecting lever running shaft 24, to be returned on passive arbor wheel 8 outer peripheral surface and to make magnetic block 25 be adsorbed on passive arbor wheel 8 outer peripheral surface, thus make clutch connecting lever trundle 20 leave passive free wheel side groove 19, and then passive free wheel 10 is only connected and each spinning by one group of bearing 17 with passive arbor wheel 8, complete the separation process in clutch process.

Screw spring synchronizer, the passive arbor wheel 8 comprising a threaded driven axle 1 and be screwed on driven axle 1, there are left accessory whorl 6, left buffering wheel 4, left gear wheel 3 and left spring 5 on the left of passive arbor wheel 8, on the right side of passive arbor wheel 8, have right accessory whorl 9, right buffering wheel 13, right gear wheel 14 and right spring 12, it is characterized in that: in passive arbor wheel 8 center hole, have internal thread, outside thread on the internal thread of passive arbor wheel 8 and driven axle 1 matches, namely passive arbor wheel 8 can overlap to be screwed on driven axle 1 and can to rotate forward to be moved to the left on driven axle 1 like a cork and move right with counterrotating, passive arbor wheel 8 left surface is installed with left accessory whorl 6, the diameter of left accessory whorl 6 is less than the diameter of passive arbor wheel 8, the center-hole diameter of left accessory whorl 6 is larger than the externally threaded external diameter of driven axle 1, there is left buffering wheel 4 in the left side of left accessory whorl 6, the left surface of left buffering wheel 4 is installed with left gear wheel 3, the diameter of left buffering wheel 4 is less than the diameter of left gear wheel 3, the center-hole diameter of left buffering wheel 4 is larger than the externally threaded external diameter of driven axle 1, a left spring 5 is had between left accessory whorl 6 and left buffering wheel 4, the spring ring internal diameter of left spring 5 is larger than the external diameter of left accessory whorl 6, the spring ring internal diameter of left spring 5 is larger than the external diameter of left buffering wheel 4, the left end of left spring 5 is fixedly mounted on the right flank of left gear wheel 3, the right-hand member of left spring 5 is fixedly mounted on the left surface of passive arbor wheel 8, left buffering wheel 4 and left accessory whorl 6 standoff distance are that L is left, left gear wheel 3 is fixedly mounted on driven axle 1, passive arbor wheel 8 right flank is installed with right accessory whorl 9, the diameter of right accessory whorl 9 is less than the diameter of passive arbor wheel 8, the center-hole diameter of right accessory whorl 9 is larger than the externally threaded external diameter of driven axle 1, there is right buffering wheel 13 on the right side of right accessory whorl 9, the right flank of right buffering wheel 13 is installed with right gear wheel 14, the diameter of right buffering wheel 13 is less than the diameter of right gear wheel 14, the center-hole diameter of right buffering wheel 13 is larger than the externally threaded external diameter of driven axle 1, a right spring 12 is had between right accessory whorl 9 and right buffering wheel 13, the spring ring internal diameter of right spring 12 is larger than the external diameter of right accessory whorl 9, the spring ring internal diameter of right spring 12 is larger than the external diameter of right buffering wheel 13, the right-hand member of right spring 12 is fixedly mounted on the left surface of right gear wheel 14, the left end of right spring 12 is fixedly mounted on the right flank of passive arbor wheel 8, right buffering wheel 13 and right accessory whorl 9 standoff distance are that L is right, right gear wheel 14 is fixedly mounted on driven axle 1.

Left spring 5 is consistent with the spring steel bar Hand of spiral of right spring 12, when passive arbor wheel 8 produces and rotates, can rotate forward on the screw thread of driven axle 1 and to be moved to the left or counterrotating moves right, because left spring 5 left end on the left of passive arbor wheel 8 is fixedly mounted on the right flank of left gear wheel 3, left spring 5 right-hand member on the left of passive arbor wheel 8 is fixedly mounted on the left surface of passive arbor wheel 8, left gear wheel 3 is fixedly mounted on driven axle 1, relative driven axle 1 is static non rotating, because right spring 12 right-hand member on the right side of passive arbor wheel 8 is fixedly mounted on the left surface of right gear wheel 14, right spring 12 left end on the right side of passive arbor wheel 8 is fixedly mounted on the right flank of passive arbor wheel 8, right gear wheel 14 is fixedly mounted on driven axle 1, relative driven axle 1 is static non rotating, and passive arbor wheel 8 can rotate on the screw thread of driven axle 1, so, the right-hand member that passive arbor wheel 8 rotarily drives left spring 5 on the screw thread of driven axle 1 screws direction around driven axle 1 to left spring 5 and rotates, and produce the acting force of the spring that driven axle 1 rotation is curled up in spring resistance, passive arbor wheel 8 rotate on the screw thread of driven axle 1 also drive the left end of right spring 12 on the right side of passive arbor wheel 8 around driven axle 1 to the right spring 12 unscrew direction and rotate, and produce spring resistance and curl up the acting force of the spring that driven axle 1 unscrews, passive arbor wheel 8 rotates forward and to be moved to the left or counterrotating moves right making a concerted effort of the acting force of the spring that needs the acting force of the spring of the left spring 5 simultaneously overcome on the left of passive arbor wheel 8 and the right spring 12 on right side on the screw thread of driven axle 1, when passive arbor wheel 8 rotate forward be moved to the left time, passive arbor wheel 8 rotates to the left buffering wheel 4 the closer to left side, passive arbor wheel 8 is subject to the larger with joint efforts of the acting force of the spring of the acting force of the spring of the left spring 5 on the left of passive arbor wheel 8 and the right spring 12 on right side, when passive arbor wheel 8 by External Force Acting rotate forward the left surface being moved to the left to left accessory whorl 6 abut in the right flank of left buffering wheel 4 time, passive arbor wheel 8 is subject to the maximum with joint efforts of the acting force of the spring of the acting force of the spring of the left spring 5 on the left of passive arbor wheel 8 and the right spring 12 on right side, now, passive arbor wheel 8 makes passive arbor wheel 8 with driven axle 1 with the equidirectional rotation of speed because being subject to the stop of left gear wheel 3, namely the External Force Acting totally tansitive that now passive arbor wheel 8 is subject to gives driven axle 1, the now rotation of driving wheel 7 realizes synchronous with the rotation of driven axle 1, and the not consumed energy of having made a concerted effort into internal force of the acting force of the spring of the acting force of the spring of left spring 5 on the left of passive arbor wheel 8 and the right spring 12 on right side, when the counterrotating of passive arbor wheel 8 moves right, passive arbor wheel 8 rotates to the right buffering wheel 13 the closer to right side, passive arbor wheel 8 is subject to the larger with joint efforts of the acting force of the spring of the acting force of the spring of the right spring 12 on the right side of passive arbor wheel 8 and the left spring 5 in left side, when passive arbor wheel 8 abuts in the left surface of right buffering wheel 13 by the right flank that External Force Acting counterrotating moves right to right accessory whorl 9, passive arbor wheel 8 is subject to the maximum with joint efforts of the acting force of the spring of the acting force of the spring of the right spring 12 on the right side of passive arbor wheel 8 and the left spring 5 in left side, now, passive arbor wheel 8 makes passive arbor wheel 8 with driven axle 1 with the equidirectional rotation of speed because being subject to the stop of right gear wheel 14, namely the External Force Acting totally tansitive that now passive arbor wheel 8 is subject to gives driven axle 1, the now rotation of driving wheel 7 realizes synchronous with the rotation of driven axle 1, and the not consumed energy of having made a concerted effort into internal force of the acting force of the spring of the acting force of the spring of right spring 12 on the right side of passive arbor wheel 8 and the left spring 5 in left side.

Claims (1)

1. side control screw spring engaging and disengaging gear, the passive arbor wheel (8) comprising the externally threaded driven axle of a band (1) and be screwed on driven axle (1), the excircle central authorities overcoat of passive arbor wheel (8) has a passive free wheel (10), passive arbor wheel (8) excircle of passive free wheel (10) side is symmetrically installed with multiple clutch connecting lever wheel (11), there is left accessory whorl (6) in passive arbor wheel (8) left side, left buffering wheel (4), left gear wheel (3) and left spring (5), there is right accessory whorl (9) on passive arbor wheel (8) right side, right buffering wheel (13), right gear wheel (14) and right spring (12), passive free wheel (10) is provided with one and half drum magnetic shoes (16) away from driving wheel (7) side, it is characterized in that: in passive arbor wheel (8) center hole, have internal thread, outside thread on the internal thread of passive arbor wheel (8) and driven axle (1) matches, namely passive arbor wheel (8) can overlap to be screwed on driven axle (1) and can to rotate forward to be moved to the left like a cork on driven axle (1) and move right with counterrotating, there are left accessory whorl (6), left buffering wheel (4), left gear wheel (3) and left spring (5) in passive arbor wheel (8) left side, and there are right accessory whorl (9), right buffering wheel (13), right gear wheel (14) and right spring (12) in passive arbor wheel (8) right side, passive free wheel (10) is away from being provided with one and half drum magnetic shoes (16) above driving wheel (7) side, half drum magnetic shoe (16) is strong magnetism magnetic shoe, passive free wheel (10) is arranged on the middle position of the excircle of passive arbor wheel (8), passive free wheel (10) inner ring is provided with one group of bearing (17) and is connected with passive arbor wheel (8), the side symmetry of passive free wheel (10) has multiple passive free wheel side groove (19), the side that the passive free wheel (10) of passive arbor wheel (8) excircle has multiple passive free wheel side groove (19) is symmetrically installed with multiple clutch connecting lever wheel (11), each clutch connecting lever wheel (11) is a connecting lever shape, connecting lever position of turning round has a rotating shaft to be clutch connecting lever running shaft (24), each clutch connecting lever running shaft (24) is connected with the support be fixedly mounted on passive arbor wheel (8) excircle, the clutch connecting lever (22) making each clutch connecting lever take turns (11) can rotate around clutch connecting lever running shaft (24).