CN1279679C

CN1279679C - Outer rotation driving mechanism of offset motor

Info

Publication number: CN1279679C
Application number: CN 02118489
Authority: CN
Inventors: 杨泰和
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-27
Filing date: 2002-04-27
Publication date: 2006-10-11
Anticipated expiration: 2022-04-27
Also published as: CN1453923A

Abstract

The present invention relates to an external rotation driving mechanism of an offset motor, which mainly comprises an external rotation mechanism, an offset mechanism, a driving motor and a transmission device, wherein the external rotation mechanism is provided with a wheel hub structure; the center of the external rotation mechanism is provided with a fixing shaft which can make a wheel hub rotate along the fixing shaft; the fixing shaft in the wheel hub is provided with an offset mechanism which are not coaxial with the fixing shaft; the offset mechanism is provided with one or more than one driving motor which presents offset with the fixing shaft; the output shaft end of the driving motor is provided with an original motion gear or a friction wheel, which is used for forming the transmission device; a passive inner ring gear which is engaged with the original motion gear, or a passive inner ring friction wheel pressed and contacted with the original motion friction wheel is arranged in the wheel hub; the external rotation mechanism is driven by at least one driving motor through the transmission device; the shaft distance between the original motion gear or the friction wheel and the passive inner ring gear or the inner ring friction wheel is adjusted by the offset mechanism so as to determine speed ratio.

Description

The outer rotation driving mechanism of offset motor

Technical field

The present invention relates to the outer rotation driving mechanism of offset motor, especially refer to a kind of structural design of utilizing offset motor, the configuration driven motor can increase the outer rotation driving mechanism of the interior driving type offset motor of deceleration, increase driving torque, raising stability of transmission and efficient in outer slew gear.

Background technology

Existing reduction gearing mechanism, normally with outside driving belt or driving chain with transmission of power to load, therefore after transmitting through tossing about in bed, its driving torque and transmission efficiency will be had a greatly reduced quality, if CD-ROM drive motor is directly installed transmission mechanism, though can reduce the loss of transmission efficiency, be subject to the moment of torsion of CD-ROM drive motor own, can't produce than high pulling torque.

Summary of the invention

Main purpose of the present invention is: the outer rotation driving mechanism that a kind of offset motor is provided, mainly comprise: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device, should have wheel hub structure by outer slew gear, central authorities are provided with and make the fixed axis of wheel hub along its rotation, behind the fixed axis of selected wheel hub inside, be provided with and this fixed axis out-of-alignment biasing mechanism, and dispose the CD-ROM drive motor that one or more and this fixed axis is biasing at biasing mechanism; Be provided with former moving gear or the friction pulley that constitutes transmission device at CD-ROM drive motor output axle head, and in wheel hub, be provided with passive inner circular tooth wheel or interior ring friction pulley, this former moving gear is meshed with passive inner circular tooth wheel, or make former dynamic friction wheel with passive in the ring friction pulley press contacts that offsets, make the CD-ROM drive motor in its outer slew gear can drive outer slew gear gyration, output torque, owing to adopt the structural design of biasing, can adjust between former moving gear and passive inner circular tooth wheel easily or former dynamic friction wheel and the passive interior wheelbase that encircles between friction pulley, be very beneficial for the setting of speed ratio, and can select one or more CD-ROM drive motor according to need, to increase driving torque and transmission efficiency.

Secondary objective of the present invention, be to provide a kind of outer rotation driving mechanism of offset motor, its biasing mechanism can be designed to have can adjust elastic forepressure function, rotating cranking arm, dispose CD-ROM drive motor at this end of cranking arm, drive passive interior ring friction pulley to drive friction pulley, and then the outer slew gear gyroscopic output moment of torsion of driving, make outer slew gear can produce bigger output torque and obtain preferable efficient by interior ring friction train, and can freely adjust the interior elastic forepressure that encircles the friction train, to satisfy the needs of various user modes.

Another object of the present invention, be that a kind of outer rotation driving mechanism that exposes the offset motor of rotor will be provided, its friction pulley or ring that directly is covered with the friction material formation around motor rotor is established gear, cooperate the stator around it again and when producing gyration, can drive the interior ring friction pulley or the inner circular tooth wheel of outer slew gear, and then drive outer slew gear gyroscopic output moment of torsion.

Technical scheme of the present invention: a kind of outer rotation driving mechanism of offset motor, mainly comprise: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device, its China and foreign countries' slew gear has wheel hub structure, be provided with one in the central and can make the fixed axis of wheel hub along its rotation, the fixed axis of wheel hub inside is provided with and fixed axis out-of-alignment biasing mechanism, and dispose the CD-ROM drive motor that one or more and fixed axis are biasing at biasing mechanism, be provided with former moving gear or the friction pulley that constitutes transmission device at CD-ROM drive motor output axle head, and in wheel hub, be provided with the passive inner circular tooth wheel that is meshed with former moving gear or offset and encircle friction pulley in press contacts passive with former dynamic friction wheel, and by at least one CD-ROM drive motor slew gear outside actuator drives, adjust the wheelbase of former moving gear and passive inner circular tooth wheel or friction pulley and interior ring friction pulley by biasing mechanism, to determine speed ratio.Wherein:

Described biasing mechanism is formed with the structure of cranking arm, and has an adjustable elastic forepressure, at this structure end configuration driven motor of cranking arm, the outer slew gear of actuator drives that constitutes by friction pulley and interior ring friction pulley is to export higher moment of torsion and freely to adjust the precompression of outer slew gear.

The outer rotation driving mechanism of another offset motor provided by the invention, mainly comprise: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device, it is characterized in that: outer rotation driving mechanism is the outer rotation driving mechanism that a kind of biasing exposes rotor motor, should have wheel hub structure by outer slew gear, be provided with one in the central and can make the fixed axis of wheel hub along its rotation, the fixed axis of wheel hub inside is provided with and fixed axis out-of-alignment biasing mechanism, and dispose the CD-ROM drive motor that one or more and fixed axis are biasing at biasing mechanism, directly being covered with the friction pulley or the ring that are made of friction material at the motor rotor periphery establishes gear, in wheel hub, be provided with friction pulley or ring and establish interior ring friction pulley or the gear that gear is meshed, stator around cooperating by rotor and produce gyration, with the interior ring friction pulley that drives outer slew gear or gear to affect outer slew gear.

The outer rotation driving mechanism of another offset motor provided by the invention mainly comprises: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device; It is characterized in that:

One outer slew gear, be a kind of wheel hub with hollow housing structure kenel, can be that symmetry or the discoid shell dish of asymmetrical indent are corresponding to be formed or be made of two plate-like housings and cylindric hollow housing by two, be respectively equipped with an axis hole in each shell dish central authorities, and in each axis hole, be provided with bearing, one fixed axis wears and bridges between two bearings, makes the corresponding wheel hub of forming of two shell dishes do gyration along this fixed axis;

Biasing mechanism, the one end directly is fixed in fixed axis; Perhaps this biasing mechanism one end is provided with a pedestal, this pedestal has a socket join structure, and this socket join structure is arranged on the fixed axis, bias structure is fixed on the fixed axis of the outer slew gear of coaxial coupling by this pedestal, and on biasing mechanism, be provided with fixed structure for the CD-ROM drive motor setting, perhaps be provided with a pedestal in the centre of biasing mechanism, directly be fixed on the fixed axis by in the middle of the pedestal, perhaps, be provided with socket join structure in the middle of this pedestal, bias structure is fixed on the fixed axis by socket join structure again, and the fixed structure of fixed drive motor is set respectively at the structure end that the outside radiation of pedestal is extended, the fixed structure of aforementioned biasing mechanism outer end is constituted by one or more, for one or more biasing CD-ROM drive motor is set; One CD-ROM drive motor is a kind of rotary motive power mechanism by the converted electrical energy into rotary kinetic energy that rotor and stator component constituted, and this CD-ROM drive motor can be brush or brushless direct current or alternating current motor, can be synchronous, asynchronous or stepper drive motor;

One transmission device is made of with the passive inner circular tooth wheel that is meshed former moving gear, and wherein this inner circular tooth wheel is circular, but its internal ring wall is provided with the internal tooth that interlock is stirred, and makes inner circular tooth crop rotation deceleration gyration with gear driven;

Be somebody's turn to do outer slew gear, being arranged on wheel hub inside is on the fixed axis of coaxial coupling with wheel hub, can direct affixed biasing mechanism or utilize the affixed biasing mechanism of socket join structure, making biasing mechanism and this fixed axis be off normal is fixed in the wheel hub, pass through fixed structure configuration driven motor in this biasing mechanism outer end, be provided with the former moving gear of transmission device at CD-ROM drive motor output axle head, and directly make inner circular tooth wheel outside in the wheel hub of slew gear or, former moving gear is taken turns with inner circular tooth be meshed in conjunction with the inner circular tooth wheel of transmission device; In addition, CD-ROM drive motor can be biased in the wheel hub inner lower of outer slew gear, make center of gravity be positioned at downside, and can directly turn outer slew gear with transmission device; Secondly, also biasing mechanism directly can be incorporated into fixed axis, or be installed in the axle body of fixed axis with the socket join structure of pars intermedia, and at difference configuration driven motor in the fixed structure of external radiation extension, reach the former moving gear that is installed with transmission at CD-ROM drive motor output axle head, inner circular tooth is taken turns the selected side that is fixedly arranged in the wheel hub, former moving gear is meshed with the inner circular tooth wheel.

Outer slew gear, be a kind of wheel hub with hollow housing structure kenel, can be that symmetry or the discoid shell dish of asymmetrical indent are corresponding to be formed or be made of two plate-like housings and cylindric hollow housing by two, be respectively equipped with an axis hole in each shell dish central authorities, and in each axis hole, be provided with bearing, one fixed axis wears and bridges between two bearings, and the corresponding wheel hub of forming of two shell dishes can be done gyration along this fixed axis;

Biasing mechanism, the one end directly is fixed in fixed axis; Perhaps this biasing mechanism one end is provided with a pedestal, this pedestal has a socket join structure, and this socket join structure is arranged on the fixed axis, bias structure is fixed on the fixed axis of the outer slew gear of coaxial coupling by this pedestal, and on biasing mechanism, be provided with fixed structure for the CD-ROM drive motor setting, perhaps be provided with a pedestal in the centre of biasing mechanism, directly be fixed on the fixed axis by in the middle of the pedestal, perhaps, be provided with socket join structure in the middle of this pedestal, bias structure is fixed on the fixed axis by socket join structure again, and the fixed structure of fixed drive motor is set respectively at the structure end that the outside radiation of pedestal is extended, the fixed structure of aforementioned biasing mechanism outer end is constituted by one or more, for one or more biasing CD-ROM drive motor is set;

CD-ROM drive motor is a kind of rotary motive power mechanism by the converted electrical energy into rotary kinetic energy that rotor and stator component constituted, and this CD-ROM drive motor can be brush or brushless direct current or alternating current motor, can be synchronous, asynchronous or stepper drive motor; Described CD-ROM drive motor also can be the both-end output shaft CD-ROM drive motor that all there is output shaft at a kind of two ends, one or more both-end output shaft CD-ROM drive motor configuration can be fixedly arranged on biasing mechanism on the fixed structure that external radiation is extended, also can on the both-end output shaft, be installed with the friction pulley that constitutes transmission device respectively, and two shell dish inboards of slew gear wheel hub outside, the interior ring friction pulley that constitutes transmission device is set respectively, each friction pulley is compressed mutually with interior ring friction pulley to be contacted, be somebody's turn to do outer slew gear to drive, and can make both-end output shaft CD-ROM drive motor be offset to the downside of outer slew gear, make center of gravity be positioned at downside;

Transmission device, formed by friction pulley and interior ring friction pulley, and friction pulley is installed on the CD-ROM drive motor output axle head that biasing mechanism outer end fixed structure disposed, interior ring friction pulley is installed in the inner side of outer slew gear wheel hub, make friction pulley and the interior ring friction pulley inner face press contacts that offsets, the power that makes CD-ROM drive motor through friction pulley and in encircle friction pulley be passed to outside slew gear, turn round on the fixed axis and hub is coupling in; Biasing mechanism is to the fixed structure of external radiation extension in addition, configurable two or more CD-ROM drive motor, CD-ROM drive motor output axle head is equiped with friction pulley respectively, and interior ring friction pulley then is installed in the inner example of hub, make to compress in this friction pulley and the interior ring friction pulley and contact, and by the power of these several CD-ROM drive motor through friction pulley and in encircle friction pulley be delivered to outside slew gear, hub is turned round on fixed axis;

Be somebody's turn to do outer slew gear, being arranged on wheel hub inside is on the fixed axis of coaxial coupling with wheel hub, can direct affixed biasing mechanism or utilize the affixed biasing mechanism of socket join structure, making biasing mechanism and this fixed axis be off normal is fixed in the wheel hub, pass through fixed structure configuration driven motor in this biasing mechanism outer end, be provided with the former dynamic friction wheel of transmission device at CD-ROM drive motor output axle head, and ring friction pulley or in conjunction with the interior ring friction pulley of transmission device in directly making in the wheel hub of slew gear outside makes former dynamic friction wheel be meshed with interior ring friction pulley; In addition, CD-ROM drive motor can be biased in the wheel hub inner lower of outer slew gear, make center of gravity be positioned at downside, and can directly turn outer slew gear with transmission device; Secondly, also biasing mechanism directly can be incorporated into fixed axis, or be installed in the axle body of fixed axis with the socket join structure of pars intermedia, and at difference configuration driven motor in the fixed structure of external radiation extension, reach the former dynamic friction wheel that is installed with transmission at CD-ROM drive motor output axle head, interior ring friction pulley is fixedly arranged on selected side in the wheel hub, former dynamic friction wheel is meshed with interior ring friction pulley.

Biasing mechanism directly is fixed in fixed axis by the one end; Perhaps this biasing mechanism one end is provided with a pedestal, this pedestal has a socket join structure, and this socket join structure is arranged on the fixed axis, bias structure is fixed on the fixed axis of the outer slew gear of coaxial coupling by this pedestal, and on biasing mechanism, be provided with fixed structure for the CD-ROM drive motor setting, perhaps be provided with a pedestal in the centre of biasing mechanism, directly be fixed on the fixed axis by in the middle of the pedestal, perhaps, be provided with socket join structure in the middle of this pedestal, bias structure is fixed on the fixed axis by socket join structure again, and the fixed structure of fixed drive motor is set respectively at the structure end that the outside radiation of pedestal is extended, the fixed structure of aforementioned biasing mechanism outer end is constituted by one or more, for one or more biasing CD-ROM drive motor is set;

Transmission device is made of with the passive inner circular tooth wheel that is meshed former moving gear, and wherein this inner circular tooth wheel is circular, but its internal ring wall is provided with the internal tooth that interlock is stirred, and makes inner circular tooth crop rotation deceleration gyration with gear driven;

The one or more CD-ROM drive motor that institute's off normal is provided with in the described wheel hub, the both-end output shaft CD-ROM drive motor that all has output shaft for a kind of two ends, one or more both-end output shaft CD-ROM drive motor configuration is fixedly arranged on the fixed structure of biasing mechanism outer end, and be installed with the former moving gear that constitutes transmission device respectively at its output axle head, and two shell dish inboards of slew gear wheel hub are provided with the inner circular tooth wheel of transmission device respectively outside, this gear and inner circular tooth wheel is meshing with each other is somebody's turn to do outer slew gear to drive, and both-end output shaft CD-ROM drive motor can be offset to the downside of outer slew gear, make center of gravity be positioned at downside, in addition, more than one both-end output shaft CD-ROM drive motor slew gear outside the common driving of transmission device can be set;

According to such scheme, because the present invention is a kind of interior outer rotation driving mechanism that passes the typing offset motor, so have simple and compact for structure, the adjusting range of speed reducing ratio is big, help multiple choices and setting, select the quantity of CD-ROM drive motor, adjust elastic forepressure, output torque be can increase, stability of transmission and efficient improved.

Description of drawings

Fig. 1, be the main cutaway view of single CD-ROM drive motor of the present invention and monolateral transmission device embodiment.

Fig. 2, be the side partial cross-sectional of single CD-ROM drive motor of the present invention and monolateral transmission device embodiment.

Fig. 3, be the main cutaway view of the many CD-ROM drive motor of the present invention and monolateral transmission device embodiment.

Fig. 4, be the side partial cross-sectional of the many CD-ROM drive motor of the present invention and monolateral transmission device embodiment.

Fig. 5, be the main cutaway view of the bilateral transmission device of the present invention and twin shaft CD-ROM drive motor embodiment.

Fig. 6, for the monolateral gear drive of the present invention set up in the middle of the main cutaway view of idle pulley embodiment.

Fig. 7, for bilateral gear transmission device of the present invention set up in the middle of the main cutaway view of idle pulley embodiment.

Fig. 8, set up the main cutaway view of multistage reduction gearing embodiment for the present invention.

Fig. 9, for the main cutaway view of the monolateral friction drive embodiment of the present invention.

Figure 10, for the side partial cross-sectional of the monolateral friction drive embodiment of the present invention.

Figure 11, cut open schematic diagram for the monolateral friction drive of the present invention and number offset motor embodiment master.

Figure 12, cut open schematic diagram for the master of the bilateral friction drive embodiment of the present invention.

Figure 13, set up intermediate friction wheel embodiment master cutaway view for the monolateral friction drive of the present invention.

Figure 14, set up intermediate friction wheel embodiment master cutaway view for the bilateral friction drive of the present invention.

Figure 15, the master who sets up multistage deceleration friction pulley embodiment for the present invention cut open schematic diagram.

Figure 16, be the main cutaway view of the shape embodiment that cranks arm for bias unit of the present invention.

Figure 17, be the side partial cross-sectional of the shape embodiment that cranks arm for bias unit of the present invention.

Figure 18, directly drive the main cutaway view of embodiment for CD-ROM drive motor rotor of the present invention.

Figure 19, directly drive the sectional view of embodiment for CD-ROM drive motor rotor of the present invention.

Figure 20, directly drive the main cutaway view of embodiment for crank arm bias unit and rotor of the present invention.

Figure 21, directly drive the side partial cross-sectional of embodiment for crank arm bias unit and rotor of the present invention.

Figure 22, for CD-ROM drive motor both ends of the surface of the present invention directly in conjunction with the main cutaway view of fixed axis embodiment.

Figure 23, for CD-ROM drive motor both ends of the surface of the present invention directly in conjunction with the main cutaway view of fixed axis embodiment.

Embodiment

Referring to Fig. 1-4, a kind of outer rotation driving mechanism of offset motor mainly comprises: outer slew gear, biasing mechanism 2, CD-ROM drive motor 3 and transmission device 4; Wherein:

Outer slew gear (as shown in Figure 1), be a kind of wheel hub 11 with hollow housing structure kenel, can be that symmetry or the discoid shell dish of asymmetrical indent 111 are corresponding to be formed or be made of two plate-like housings and a cylindric hollow housing by two, be respectively equipped with an axis hole 112 in each shell dish 111 central authorities, and in each axis hole 112, be provided with bearing 113, in each bearing 113 inner ring, wear a fixed axis 12, be cross-placed between the two bearings 113, and install other mechanism at these fixed axis 12 two ends, so that two shell dishes, the 111 corresponding wheel hubs of forming 11 can be done gyration along fixed axis 12;

Biasing mechanism 2 (as shown in Figure 1, 2), an end are provided with the socket join structure 21 that is fixed in fixed axis 12, and the other end is provided with the fixed mechanism 22 of fixed drive motor 3; The one end can directly be fixed in fixed axis 12 or is fixed in the fixed axis 12 of the outer slew gear of coaxial coupling by the pedestal of set socket join structure 21; This socket join structure 21 is installed on fixed axis 12, and is provided with the fixed structure 22 of fixed drive motor 3 at biasing mechanism 2; Referring to Fig. 3,4, perhaps, can directly be fixed in fixed axis 12 in the middle of the pedestal of biasing mechanism 2, and, the fixed structure 22 of fixed drive motor 3 being set respectively at the structure end that extends to external radiation, the fixed structure 22 of these biasing mechanism 2 outer ends can be one or more, so that one or more biasing CD-ROM drive motor 3 is set, for example be provided with three or four, all belong to the embodiment that can be changed, can be selected as required in the specific implementation and establish;

CD-ROM drive motor 3, a kind ofly be made of elements such as rotor and stators, and can convert electrical energy into the rotary motive power mechanism of rotary kinetic energy, this CD-ROM drive motor can be brush or brushless direct current or alternating current motor, and can be synchronous, asynchronous or stepper drive motor, can optionally be selected for use;

Transmission device 4 (shown in Fig. 1-4), constitute with 42 on the passive inner circular tooth wheel that is meshed by former moving gear 41, wherein this inner circular tooth wheel 42 is circular ring gear, but is provided with the internal tooth that interlock is stirred at internal ring wall, drives inner circular tooth wheel 42 by gear 41 and does the deceleration gyration.

Referring to Fig. 1,2, be single CD-ROM drive motor of the present invention and monolateral transmission device embodiment, wherein, it is inner and be on the axle body of fixed axis 12 of coaxial coupling with wheel hub 11 that outer slew gear is arranged at wheel hub 11, can direct affixed biasing mechanism 2 or utilize socket join structure 21 affixed biasing mechanisms 2, making this biasing mechanism 2 be off normal with fixed axis 12 is fixed in the wheel hub 11, and in these biasing mechanism 2 outer ends, by fixed structure 22 configuration driven motors 3, the gear 41 of transmission device 4 is set at CD-ROM drive motor 3 output shafts 31 ends, and directly make inner circular tooth wheel 42 outside in the wheel hub 11 of slew gear, or the inner circular tooth of affixed transmission device 4 wheel 42, this gear 41 is meshed with inner circular tooth wheel 42; So the outer rotation driving mechanism of offset motor has the mode of two kinds of output torques: one, outer slew gear, biasing mechanism 2, CD-ROM drive motor 3 and transmission device 4 are along fixed axis 12 revolutions, by outer slew gear output torque, they are two years old, fixing outer slew gear, and biasing mechanism 2, CD-ROM drive motor 3, transmission device 4 and fixed axis 12 are along 42 revolutions of inner circular tooth wheel, by fixed axis 12 output torques; What the present invention adopted is outer slew gear output torque, can further select especially according to need, CD-ROM drive motor 3 is offset to wheel hub 11 inner lower of outer slew gear, makes center of gravity be maintained at downside promoting its stability, and can directly drive outer slew gear output torque with transmission device 4.

Referring to Fig. 3,4, be many CD-ROM drive motor of the present invention and monolateral transmission device embodiment, wherein, according to selected fixed axis 12, biasing mechanism 2 directly is incorporated into fixed axis 12, or be fixedly arranged on the axle body of fixed axis 12 with the pars intermedia of its socket join structure 21, and at difference configuration driven motor 3 in the fixed structure 22 of external radiation extension, set firmly the gear 41 of transmission device 4 at CD-ROM drive motor 3 output shafts 31 ends, inner circular tooth wheel 42 is fixedly arranged on selected side in the wheel hub 11, gear 41 is meshed with inner circular tooth wheel 42, and can selects to set up a plurality of CD-ROM drive motor 3 according to need, strengthen output torque.

Referring to Fig. 5, be bilateral transmission device of the present invention and twin shaft CD-ROM drive motor embodiment, wherein: set one or more CD-ROM drive motor 3 in the wheel hub 11, select to adopt a kind of two ends all to have the both-end output shaft CD-ROM drive motor 3 ' of output shaft 31 ', one or more both-end output shaft CD-ROM drive motor 3 ' configuration is fixedly arranged on the fixed structure 22 of biasing mechanism 2 outer ends, and set firmly the gear 41 of transmission device 4 respectively at its output shaft 31 ', and two shell dishes, 111 inboards of slew gear wheel hub 11 are provided with the inner circular tooth wheel 42 of transmission device 4 respectively outside, this gear 41 and inner circular tooth wheel 42 are meshing with each other, to drive outer slew gear output torque, and can select to make both-end output shaft CD-ROM drive motor 3 ' to be offset to the downside of outer slew gear according to need, so that center of gravity is maintained at downside and then promotes its stability, can select to dispose more than one both-end output shaft CD-ROM drive motor 3 ' in addition according to need, slew gear output torque outside transmission device 4 common drivings.

Referring to Fig. 6,7,8, be idle pulley embodiment in the middle of of the present invention the setting up, the bilateral gear transmission device is set up middle idle pulley embodiment and is set up multistage reduction gearing embodiment, wherein: structure separately is basic identical with monolateral gear drive or bilateral transmission device and twin shaft CD-ROM drive motor embodiment respectively, its difference is:

gear

41 and 42 on inner circular tooth wheel at transmission device 4 are set up middle idle pulley 43 or multistage reduction gearing 47 (stepped gear), concrete structure is to establish protruding axle 32 in addition in CD-ROM drive motor 3 or both-end output shaft CD-ROM drive motor 3 ' front end face eccentric part, 32 ', should in the middle of idle pulley 43 or multistage reduction gearing 47 be placed on this protruding axle 32,32 ' is meshed it respectively with gear 41 and inner circular tooth wheel 42, to increase speed reducing ratio, reach the effect of higher demultiplication speed transmission.In addition, can be chosen in biasing mechanism 2 according to needs more than one CD-ROM drive motor 3 or both-end output shaft CD-ROM drive motor 3 ' and middle idle pulley 43 or multistage reduction gearing 47 are set, slew gear output torque outside transmission device 4 common drivings.

Referring to Fig. 5, be bilateral transmission device of the present invention and twin shaft CD-ROM drive motor embodiment, wherein: be located at the transmission device 4 between outer slew gear and both-end output shaft CD-ROM drive motor 3 ' both sides output shafts 31 ', can adopt a kind of gear train of being formed by helical gear 41 ' and interior ring helical gear 42 ', be equipped with ring helical gear 42 ' in wheel hub 11 inner both sides, and helical gear 41 ' is fixedly arranged on both-end output shaft CD-ROM drive motor 3 ' both sides output shafts 31 ' end, helical gear 41 ' and interior ring helical gear 42 ' are meshing with each other, can offset the axial thrust load that is produced when the helical teeth train is rotated.

Referring to Fig. 9,10, the outer rotation driving mechanism of the above-mentioned offset motor of being formed by outer slew gear, biasing mechanism 2, CD-ROM drive motor 3 and transmission device 4, its transmission device 4 also can be made up of friction pulley 44 ' and 45 ' of interior ring friction pulley, to replace said gear 41 and inner circular tooth wheel 42 gear trains of being formed.

Referring to Fig. 9,10, be the monolateral friction drive embodiment of the present invention, wherein: transmission device 4 ' is made up of friction pulley 44 ' and 45 ' of interior ring friction pulley, friction pulley 44 ' is installed on CD-ROM drive motor 3 output shafts 31 ends that biasing mechanism 2 outer end fixed structures 22 are disposed, and interior ring friction pulley 45 ' is installed in outer slew gear wheel hub 11 inner sides, make friction pulley 44 ' and interior ring friction pulley 45 ' the inner face press contacts that offsets, so that the power of CD-ROM drive motor 3 slew gear outside friction pulley 44 ' and interior ring friction pulley 45 ' are delivered to makes wheel hub 11 along fixed axis 12 revolutions.

Referring to Figure 11, be monolateral friction drive of the present invention and number offset motor embodiment, wherein: biasing mechanism 2 is in the fixed structure 22 that external radiation is extended, dispose two or more CD-ROM drive motor 3, output shaft 31 ends of each CD-ROM drive motor 3 are installed friction pulley 44 ' respectively, and interior ring friction pulley 45 ' is fixedly arranged on wheel hub 11 inner sides, make friction pulley 44 ' and interior ring friction pulley 45 ' the inner face press contacts that offsets, can make wheel hub 11 along fixed axis 12 revolutions power slew gear outside friction pulley 44 ' and interior ring friction pulley 45 ' are delivered to of several CD-ROM drive motor 3.

Referring to Figure 12, be the bilateral friction drive embodiment of the present invention, what it adopted is the both-end output shaft CD-ROM drive motor 3 ' that all there is output shaft 31 ' at a kind of two ends, except that one or more both-end output shaft CD-ROM drive motor 3 ' configurations being fixedly arranged on biasing mechanism 2 to the fixed structure 22 that external radiation is extended, both-end output shaft CD-ROM drive motor 3 ' two ends output shafts 31 ' are respectively equipped with the friction pulley 44 ' that constitutes transmission device 4 ', and two shell dishes, 111 inboards of slew gear wheel hub 11 outside, the interior ring friction pulley 45 ' of transmission device 4 ' is set respectively, each friction pulley 44 ' is compressed mutually with interior ring friction pulley 45 ' to be contacted, to drive outer slew gear output torque, and select both-end output shaft CD-ROM drive motor 3 ' is offset to the downside of outer slew gear according to need, make its center of gravity be maintained at downside to promote stability.In addition, can be chosen in the CD-ROM drive motor 3 ' that biasing mechanism 2 is provided with more than one both-end output shaft according to needs, slew gear is with output torque outside transmission device 4 ' the common driving.

Referring to Figure 13,14,15, be the present invention's list, bilateral friction drive is set up intermediate friction wheel embodiment, set up multistage deceleration friction pulley embodiment, wherein: between the friction pulley 44 ' and interior ring friction pulley 45 ' of transmission device 4 ', set up intermediate friction wheel 46 ' or multistage deceleration friction pulley 48 ' according to need, to reach the high power speed changing effect of deceleration, the front end face eccentric part that its structure can be in single shaft CD-ROM drive motor 3 (as shown in figure 13) or both-end output shaft CD-ROM drive motor 3 ' (as shown in figure 14) is provided with protruding axle 32 in addition, 32 ', intermediate friction wheel 46 ' or multistage deceleration friction pulley 48 ' (as shown in figure 14) are placed on these protruding axles 32,32 ', it is compressed mutually with friction pulley 44 ' and interior ring friction pulley 45 ' respectively contact, reach the transmission effect that high power is slowed down.In addition, can be chosen in biasing mechanism 2 according to need more than one CD-ROM drive motor 3 or both-end output shaft CD-ROM drive motor 3 ' and intermediate friction wheel 46 ' or multistage deceleration friction pulley 48 ' are set, with slew gear gyroscopic output moment of torsion outside the common driving of transmission device.

Four embodiment shown in above-mentioned Fig. 9-12 all can adopt the technical measures of three embodiment shown in Figure 13-15, all can obtain identical technique effect.

Referring to Figure 16,17, for bias unit of the present invention is the shape embodiment that cranks arm, wherein: but biasing mechanism 2 ' has the structure kenel of cranking arm that can set precompression and elastic bending, it is made up of fixed arm 23 ', lever arm 24 ', elasticity of torsion element 25 ' and torsion adjustment dish 26 ' institute, this fixed arm 23 ' upper end is provided with the tubular socket join structure 21 ' that is placed on fixed axis 12, and its terminal both sides are set up lug 231 ' separately, and each lug 231 ' sidewall is provided with through hole 232 '; This lever arm 24 ' is provided with aforesaid fixed structure 22 ' at the bar end, and both sides are arranged with two lugs 241 ' in the top, each lug 241 ' is respectively equipped with through hole 242 ', its two lug 241 ' is socketed on two lugs 231 ' of fixed arm 23 ' end and is arranged in through hole 232 ', 242 ' with pivot pin 243 ', make lever arm 24 ' be articulated in fixed arm 23 '; This elasticity of torsion element 25 ' can be a kind of torsionspring, and two lugs, 241 ' the middle bearing pin 243 ' that is sheathed on lever arm 24 ' is located, and the one end can be fixed in lever arm 24 ', and the other end is snapped in torsion adjustment dish 26 '; This torsion adjustment dish 26 ' is in the form of annular discs, card is provided with radial several draw-in groove 261 ' in it, select blocking for the elasticity of torsion element 25 ' other end, give pressure torsion with what adjust elasticity of torsion element 25 ', and then the elastic forepressure of formation may command biasing mechanism 2 ' lever arm 24 ', but the above-mentioned precompression of setting reaches cranking arm of elastic bending, also can be constituted by the structure of other identical function, the above-mentioned structure of cranking arm of adjusting elastic forepressure, a group or more lever arm 24 ' can be set at biasing mechanism 2 ', and locate at its terminal fixed structure 22 ', dispose one or more CD-ROM drive motor 3 or both-end output shaft CD-ROM drive motor 3 ' relatively, at the output shaft 31 of CD-ROM drive motor out of the ordinary or the friction pulley 44 ' of 31 ' sheathed transmission device 4 ', and friction pulley 44 ' out of the ordinary compresses the interior ring friction pulley 45 ' that is contacted with these wheel hub 11 inboards by elastic forepressure, with the outer slew gear wheel hub 11 rotating functions of deceleration, so adjust the flexible member 25 ' of precompression and the clamped position between torsion adjustment dish 26 ', to adjust the contact pressure between friction pulley 44 ' and interior ring friction pulley 45 '.

Referring to Figure 18,19, for CD-ROM drive motor rotor of the present invention directly drives embodiment, wherein: at biasing mechanism 2 " to socket join structure 21 that external radiation is extended " in, one or more are set expose rotor drive motor 3 "; and in this CD-ROM drive motor 3 " shell 271 " and in both sides be respectively equipped with the magnetic field structure 33 of motor ", and at two magnetic field structures 33 " between rotor 34 is set ", to constitute CD-ROM drive motor 3 "; cylindric rotor 34 " stack shell protrude from magnetic field structure 33 ", and at this rotor 34 " periphery is covered with friction material 341 "; Ring friction pulley 45 ' in being provided with around the interior ring of the wheel hub 11 of its outer slew gear, establish friction material 341 by ring " expose rotor 34 " drive the set interior ring friction pulley 45 ' of wheel hub 11 of outer slew gear, to constitute direct speed reduction gearing, when rotor 34 " cooperate the stator 33 around it " when producing revolution, can directly drive the wheel hub 11 gyroscopic output moments of torsion of outer slew gear.

In addition, the outer rotation driving mechanism of the offset motor that CD-ROM drive motor rotor of the present invention directly drives, also can adopt the version of an embodiment (shown in Figure 16,17), but be provided with the structure of cranking arm that to set precompression and elastic bending, to promote the stability of its transmission efficiency and running.Referring to Figure 20,21, in the outer rotation driving mechanism of the offset motor that the CD-ROM drive motor rotor directly drives, be provided with lever arm 27 " but the precompression set and the structure of cranking arm of elastic bending; its structure is identical with a last embodiment (shown in Figure 16,17), or other identical version of employing function.

Referring to Figure 20,21, for crank arm bias unit and rotor of the present invention directly drives embodiment, wherein: the structure of cranking arm that can adjust elastic forepressure, at biasing mechanism 2 " a group or more lever arm 27 is set ", and at lever arm 27 " terminal fixed structure 22 ' locates; the one or more rotor drive motor 3 that exposes of corresponding configuration ", and in CD-ROM drive motor 3 " expose rotor 34 " periphery is covered with friction material 341 "; with motor rotor 34 " directly drive the interior ring friction pulley 45 ' of outer slew gear wheel hub 11 inboards, but the outer slew gear wheel hub 11 of deceleration, and can adjust relative clamped position between precompression flexible member 25 ' and torsion adjustment dish 26 ', to adjust motor rotor 34 " and interior ring friction pulley 45 ' between contact pressure.

Referring to Figure 22,23, for CD-ROM drive motor both ends of the surface of the present invention directly in conjunction with the embodiment of fixed axis, wherein: can be further the both ends of the surface eccentric part of CD-ROM drive motor 3 or both-end output shaft CD-ROM drive motor 3 ' be convexly equipped with a fixed axis 12 ' structure respectively, be about to aforesaid fixed axis 12 structures and be formed at CD-ROM drive motor 3 or both-end output shaft CD-ROM drive motor 3 ' both ends of the surface eccentric parts respectively, this fixed axis 12 " two axial ends still strides between bearing 113 inner rings of being located at outer slew gear wheel hub 11; to constitute the bias structure kenel of CD-ROM drive motor 3 or both-end output shaft CD-ROM drive motor 3 '; and at its one or both ends output shaft 31; 31 ' is provided with the inner circular tooth wheel 42 that gear 41 is meshed with driving; or ring friction pulley 44 ' in being provided with, compress the interior ring friction pulley 45 ' of contact with driving.In addition, referring to Figure 23, further in transmission device 4,4 ', idle pulley 43 or intermediate friction wheel 46 ' in the middle of setting up is to reach bias stabilization and to promote the purpose of running efficiency.

Claims

1, a kind of outer rotation driving mechanism of offset motor, mainly comprise: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device, it is characterized in that: outer slew gear has wheel hub structure, be provided with one in the central and can make the fixed axis of wheel hub along its rotation, the fixed axis of wheel hub inside is provided with and fixed axis out-of-alignment biasing mechanism, and dispose the CD-ROM drive motor that one or more and fixed axis are biasing at biasing mechanism, be provided with the former moving gear that constitutes transmission device at CD-ROM drive motor output axle head, and in wheel hub, be provided with the passive inner circular tooth wheel that is meshed with former moving gear, and by at least one CD-ROM drive motor slew gear outside actuator drives, adjust the wheelbase of former moving gear and passive inner circular tooth wheel by biasing mechanism, to determine speed ratio.

2, according to the outer rotation driving mechanism of the described offset motor of claim 1, it is characterized in that: the outer rotation driving mechanism of described offset motor, further CD-ROM drive motor end face eccentric part is convexly equipped with a fixed axle structure, be that aforementioned fixation axle construction is formed on CD-ROM drive motor end face eccentric part, be arranged on by this fixed axis in the wheel hub of outer slew gear, constitute the bias structure kenel of CD-ROM drive motor, and the inner circular tooth wheel that gear is meshed with driving is set at the output axle head.

3, a kind of outer rotation driving mechanism of offset motor, mainly comprise: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device, it is characterized in that: outer slew gear has wheel hub structure, be provided with one in the central and can make the fixed axis of wheel hub along its rotation, the fixed axis of wheel hub inside is provided with and fixed axis out-of-alignment biasing mechanism, and dispose the CD-ROM drive motor that one or more and fixed axis are biasing at biasing mechanism, be provided with the former dynamic friction wheel that constitutes transmission device at CD-ROM drive motor output axle head, and in wheel hub, be provided with to offset and encircle friction pulley in press contacts passive with former dynamic friction wheel, and by at least one CD-ROM drive motor slew gear outside actuator drives, adjust former dynamic friction wheel and the passive interior wheelbase that encircles friction pulley by biasing mechanism, to determine speed ratio.

4, according to the outer rotation driving mechanism of the described offset motor of claim 3, it is characterized in that: described biasing mechanism is formed with the structure of cranking arm, and has an adjustable elastic forepressure, end configuration driven motor in this structure of cranking arm, the outer slew gear of actuator drives that constitutes by friction pulley and interior ring friction pulley is to export higher moment of torsion and freely to adjust the precompression of outer slew gear.

5, according to the outer rotation driving mechanism of the described offset motor of claim 4, it is characterized in that: the described structure of cranking arm is made up of fixed arm, lever arm, elasticity of torsion element and torsion adjustment dish, this fixed arm upper end is provided with the tubular socket join structure that is placed on fixed axis, and set up lug separately in the terminal both sides of fixed arm, be provided with through hole at this lug sidewall; This lever arm end is provided with fixed structure, and is arranged with lug in the both sides, upper end of fixed structure, is respectively equipped with through hole at the lug sidewall, and this two lug is socketed on two lugs of fixed arm end, and is arranged in through hole with pivot pin, makes lever arm be articulated in fixed arm; This elasticity of torsion element is a kind of torsionspring, is sheathed on the middle bearing pin place of two lugs of lever arm, and the one end can be fixed in this lever arm, and the other end is snapped in torsion adjustment dish; This torsion adjustment dish is in the form of annular discs, and card is provided with radial several draw-in groove in it, for the blocking of the elasticity of torsion element other end, and with the precompressed torsion of adjustment torsion spring element, and then the elastic forepressure of formation may command biasing mechanism lever arm; But the above-mentioned structure of cranking arm of setting precompression and elastic bending, a group or more lever arm also can be set at biasing mechanism, and at its terminal fixed structure place, corresponding one or more CD-ROM drive motor of configuration or both-end output shaft CD-ROM drive motor, and be provided with the friction pulley of transmission device at the output sleeve of CD-ROM drive motor, and the elastic forepressure of friction pulley out of the ordinary compresses the interior ring friction pulley of contact in this wheel hub inboard, to drive outer slew gear hub, and, can adjust the contact pressure of friction pulley and interior ring friction pulley by the flexible member of adjustment precompression and the clamped position of torsion adjustment dish.

6, according to the outer rotation driving mechanism of the described offset motor of claim 3, it is characterized in that: the setting of described biasing mechanism and CD-ROM drive motor, can be in the socket join structure that external radiation is extended at biasing mechanism, one or more are set have the CD-ROM drive motor that exposes rotor, and both sides are respectively equipped with the magnetic field structure of motor in the CD-ROM drive motor shell, rotor is set to constitute CD-ROM drive motor between two magnetic field structures, the stack shell of cylindric rotor convexedly stretches in outside the magnetic field structure, and covers friction material in this rotor peripheries; And the internal ring wall of wheel hub that should outer slew gear be provided with in the ring friction pulley, by around be provided with friction material expose the rotor driven set interior ring friction pulley of wheel hub of slew gear outward, to constitute direct deceleration transmission; When rotor cooperates the stator around it and when producing revolution, can directly drive the wheel hub of outer slew gear.

7, according to the outer rotation driving mechanism of the described offset motor of claim 6, it is characterized in that: described biasing mechanism and expose the CD-ROM drive motor of rotor, directly with the hub of the outer slew gear of rotor driven, but and be provided with and can set the structure of cranking arm of giving pressure and elastic bending; The above-mentioned elasticity of adjusting is given the structure of cranking arm of pressure a group or more lever arm can be set at biasing mechanism, and in the one or more CD-ROM drive motor that exposes rotor of its terminal fixed structure place correspondence configuration, and be covered with friction material in the rotor peripheries of CD-ROM drive motor, and directly drive the interior ring friction pulley of outer slew gear wheel hub inboard with motor rotor, and can adjust the relative clamped position of precompression flexible member and torsion adjustment dish, to adjust the contact pressure of friction pulley and interior ring friction pulley.

8, according to the outer rotation driving mechanism of the described offset motor of claim 3, it is characterized in that: the outer rotation driving mechanism of described offset motor, further the end face eccentric part with CD-ROM drive motor is convexly equipped with a fixed axle structure, be that aforementioned fixation axle construction is formed on CD-ROM drive motor end face eccentric part, be arranged on by this fixed axis in the wheel hub of outer slew gear, constitute the bias structure kenel of CD-ROM drive motor, and at the output axle head of one end the interior ring friction pulley that friction pulley is coupled with driving is set, or in the middle of further being provided with tool idle pulley to constitute transmission device.

9, a kind of outer rotation driving mechanism of offset motor, mainly comprise: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device, it is characterized in that: outer rotation driving mechanism is the outer rotation driving mechanism that a kind of biasing exposes rotor motor, should have wheel hub structure by outer slew gear, be provided with one in the central and can make the fixed axis of wheel hub along its rotation, the fixed axis of wheel hub inside is provided with and fixed axis out-of-alignment biasing mechanism, and dispose the CD-ROM drive motor that one or more and fixed axis are biasing at biasing mechanism, directly being covered with the friction pulley or the ring that are made of friction material at the motor rotor periphery establishes gear, in wheel hub, be provided with friction pulley or ring and establish interior ring friction pulley or the gear that gear is meshed, stator around cooperating by rotor and produce gyration, with the interior ring friction pulley that drives outer slew gear or gear to affect outer slew gear.

10, a kind of outer rotation driving mechanism of offset motor mainly comprises: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device; It is characterized in that:

CD-ROM drive motor is a kind of rotary motive power mechanism by the converted electrical energy into rotary kinetic energy that rotor and stator component constituted, and this CD-ROM drive motor can be brush or brushless direct current or alternating current motor, can be synchronous, asynchronous or stepper drive motor;

11, according to the outer rotation driving mechanism of the described offset motor of claim 10, it is characterized in that: in the described outer slew gear, idle pulley or multistage reduction gearing in the middle of can setting up one between former moving gear that constitutes transmission device and passive inner circular tooth wheel, and be provided with protruding axle in addition at the CD-ROM drive motor front end face, should in the middle of idle pulley or multistage reduction gearing be placed on this protruding axle, this centre idle pulley or multistage reduction gearing are taken turns with gear and inner circular tooth respectively are meshed;

In addition, can more than one CD-ROM drive motor and middle idle pulley or multistage reduction gearing be set, slew gear outside the common driving of transmission device at biasing mechanism.

12, according to the outer rotation driving mechanism of the described offset motor of claim 10, it is characterized in that: the outer rotation driving mechanism of described offset motor, further the end face eccentric part with CD-ROM drive motor is convexly equipped with a fixed axle structure, it is the end face eccentric part that aforementioned fixation axle construction is formed on CD-ROM drive motor, be arranged on by this fixed axis in the wheel hub of outer slew gear, constitute the bias structure kenel of CD-ROM drive motor, and at the output axle head of one end the inner circular tooth wheel that gear is meshed with driving is set, or in the middle of further being provided with tool idle pulley to constitute transmission device.

13, a kind of outer rotation driving mechanism of offset motor mainly comprises: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device; It is characterized in that:

Transmission device, formed by friction pulley and interior ring friction pulley, and friction pulley is installed on the CD-ROM drive motor output axle head that biasing mechanism outer end fixed structure disposed, interior ring friction pulley is installed in the inner side of outer slew gear wheel hub, make friction pulley and the interior ring friction pulley inner face press contacts that offsets, the power that makes CD-ROM drive motor through friction pulley and in encircle friction pulley be passed to outside slew gear, turn round on the fixed axis and hub is coupling in; Biasing mechanism is to the fixed structure of external radiation extension in addition, configurable two or more CD-ROM drive motor, CD-ROM drive motor output axle head is equiped with friction pulley respectively, and interior ring friction pulley then is installed in the inner side of hub, make to compress in this friction pulley and the interior ring friction pulley and contact, and by the power of these several CD-ROM drive motor through friction pulley and in encircle friction pulley be delivered to outside slew gear, hub is turned round on fixed axis;

14, according to the outer rotation driving mechanism of the described offset motor of claim 13, it is characterized in that: between the friction pulley of described transmission device and the interior ring friction pulley, be provided with intermediate friction wheel or multistage deceleration friction pulley, its structure can be provided with protruding axle in addition at the front end face of single shaft CD-ROM drive motor or both-end output shaft CD-ROM drive motor, so that intermediate friction wheel or multistage deceleration friction pulley are placed on this protruding axle, it are compressed mutually with friction pulley and interior ring friction pulley contact; In addition, can more than one CD-ROM drive motor or both-end output shaft CD-ROM drive motor and intermediate friction wheel or multistage deceleration friction pulley be set at biasing mechanism, with slew gear outside the common driving of transmission device.

15, according to the outer rotation driving mechanism of the described offset motor of claim 13, it is characterized in that: but described biasing mechanism further is provided with the structure of cranking arm of setting precompression and elastic bending, it is made up of fixed arm, lever arm, elasticity of torsion element and torsion adjustment dish, this fixed arm upper end is provided with the tubular socket join structure that is placed on fixed axis, and set up lug separately in the terminal both sides of fixed arm, be provided with through hole at this lug sidewall; This lever arm end is provided with aforesaid fixed structure and is arranged with lug in the both sides, upper end of fixed structure, be respectively equipped with through hole at the lug sidewall, this two lug is socketed on two lugs of fixed arm end, and is arranged in through hole with pivot pin, makes lever arm be articulated in fixed arm; This elasticity of torsion element is a kind of torsionspring, is sheathed on the middle bearing pin place of two lugs of lever arm, and the one end can be fixed in this lever arm, and the other end is snapped in torsion adjustment dish; This torsion adjustment dish is in the form of annular discs, and card is provided with radial several draw-in groove in it, for the blocking of the elasticity of torsion element other end, and with the precompressed torsion of adjustment torsion spring element, and then the elastic forepressure of formation may command biasing mechanism lever arm; But the above-mentioned structure of cranking arm of setting precompression and elastic bending, a group or more lever arm also can be set at biasing mechanism, and at its terminal fixed structure place, corresponding one or more CD-ROM drive motor of configuration or both-end output shaft CD-ROM drive motor, and be provided with the friction pulley of transmission device at the output sleeve of CD-ROM drive motor, and the elastic forepressure of friction pulley out of the ordinary compresses the interior ring friction pulley of contact in this wheel hub inboard, to drive outer slew gear hub, and, can adjust the contact pressure of friction pulley and interior ring friction pulley by the flexible member of adjustment precompression and the clamped position of torsion adjustment dish.

16, according to the outer rotation driving mechanism of the described offset motor of claim 13, it is characterized in that: the setting of described biasing mechanism and CD-ROM drive motor, can be in the socket join structure that external radiation is extended at biasing mechanism, one or more are set have the CD-ROM drive motor that exposes rotor, and both sides are respectively equipped with the magnetic field structure of motor in the CD-ROM drive motor shell, rotor is set to constitute CD-ROM drive motor between two magnetic field structures, the stack shell of cylindric rotor convexedly stretches in outside the magnetic field structure, and covers friction material in this rotor peripheries; And the internal ring wall of wheel hub that should outer slew gear be provided with in the ring friction pulley, by around be provided with friction material expose the rotor driven set interior ring friction pulley of wheel hub of slew gear outward, to constitute direct deceleration transmission; When rotor cooperates the stator around it and when producing revolution, can directly drive the wheel hub of outer slew gear.

17, according to the outer rotation driving mechanism of the described offset motor of claim 16, it is characterized in that: described biasing mechanism and expose the CD-ROM drive motor of rotor, directly with the hub of the outer slew gear of rotor driven, but and be provided with the structure of cranking arm that can set precompression and elastic bending; The above-mentioned structure of cranking arm of adjusting elastic forepressure can be provided with a group or more lever arm at biasing mechanism, and in the one or more CD-ROM drive motor that exposes rotor of its terminal fixed structure place correspondence configuration, and be covered with friction material in the rotor peripheries of CD-ROM drive motor, and directly drive the interior ring friction pulley of outer slew gear wheel hub inboard with motor rotor, and can adjust the relative clamped position of precompression flexible member and torsion adjustment dish, to adjust the contact pressure of friction pulley and interior ring friction pulley.

18, outer rotation driving mechanism according to the described offset motor of claim 13, it is characterized in that: the outer rotation driving mechanism of described offset motor, further the both ends of the surface eccentric part with CD-ROM drive motor or both-end output shaft CD-ROM drive motor is convexly equipped with a fixed axle structure respectively, it is the both ends of the surface eccentric part that aforementioned fixation axle construction is respectively formed at CD-ROM drive motor or both-end output shaft CD-ROM drive motor, be arranged on by this fixed axis in the wheel hub of outer slew gear, constitute the bias structure kenel of CD-ROM drive motor or both-end output shaft CD-ROM drive motor, and the output axle head in its one or both ends is provided with the interior ring friction pulley that friction pulley is coupled with driving, or in the middle of further being provided with tool idle pulley to constitute transmission device.

19, a kind of outer rotation driving mechanism of offset motor mainly comprises: outer slew gear, biasing mechanism, CD-ROM drive motor and transmission device; It is characterized in that:

20, according to the outer rotation driving mechanism of the described offset motor of claim 19, it is characterized in that: in the described outer slew gear, idle pulley or multistage reduction gearing in the middle of can setting up one between former moving gear that constitutes transmission device and passive inner circular tooth wheel, and be provided with protruding axle in addition at the front end face of both-end output shaft CD-ROM drive motor, should in the middle of idle pulley or multistage reduction gearing be placed on this protruding axle, this centre idle pulley or multistage reduction gearing are taken turns with gear and inner circular tooth respectively are meshed;

In addition, by more than one both-end output shaft CD-ROM drive motor and middle idle pulley or multistage reduction gearing are set, slew gear outside the common driving of transmission device at biasing mechanism; The transmission device of the axle head of slew gear and both-end output shaft CD-ROM drive motor both sides output outside, formed by a kind of helical gear and interior ring helical gear, and be equipped with in the inner both sides of wheel hub and encircle helical gear one in, helical gear is fixedly arranged on the output axle head of both-end output shaft CD-ROM drive motor both sides, helical gear and interior ring helical gear are meshing with each other.

21, outer rotation driving mechanism according to the described offset motor of claim 19, it is characterized in that: the outer rotation driving mechanism of described offset motor, further the both ends of the surface eccentric part with both-end output shaft CD-ROM drive motor is convexly equipped with a fixed axle structure respectively, it is the both ends of the surface eccentric part that aforementioned fixation axle construction is respectively formed at both-end output shaft CD-ROM drive motor, be arranged on by this fixed axis in the wheel hub of outer slew gear, constitute the bias structure kenel of both-end output shaft CD-ROM drive motor, and the output axle head at its two ends is provided with the inner circular tooth wheel that gear is meshed with driving, or in the middle of further being provided with tool idle pulley to constitute transmission device.