CN103595182B

CN103595182B - Deceleration belt pulley

Info

Publication number: CN103595182B
Application number: CN201210453418.9A
Authority: CN
Inventors: 刘晓辉; 陈昌; 胡义明
Original assignee: Changzhou Master Machinery Co Ltd
Current assignee: Changzhou Sinya Electromotor Co Ltd
Priority date: 2012-08-14
Filing date: 2012-11-13
Publication date: 2016-12-21
Anticipated expiration: 2032-11-13
Also published as: CN202881700U; CN103595183A; CN202889102U; CN103595182A; CN202889101U; CN202883970U; CN203238459U

Abstract

The present invention relates to a kind of deceleration belt pulley, including: connect the belt of power source；Connect the rotary body of power source via described belt, be used for producing rotational kinetic energy under the driving of power source；It is arranged on the gear reduction on described rotary body, for obtaining rotational kinetic energy at rotary body eccentric position, and it is carried out deceleration process；Connect the output shaft of described gear reduction, be used for the rotational kinetic energy processed through deceleration to be supplied to external loading；Wherein, described rotary body is belt pulley.The present invention is by eliminating the output revolving shaft on rotor so that the deceleration belt pulley of the present invention has compact conformation, take up room little technique effect.

Description

Deceleration belt pulley

Technical field

The present invention relates to a kind of power source with mechanical reduction gear, a kind of subtracting with mechanical reduction gear Speed belt pulley.

Background technology

The multiple advantages such as the standby energy high conversion efficiency height of motor, energy-saving and environmental protection, thus in commercial production and life To being widely applied, in the equipment such as such as electric motor car, electro-tricycle, electric automobile, washing machine, motor is all must Few equipment.The rotating speed of common electric machine is higher, in order to obtain suitable output speed, in actual applications, needs to enter motor Row slows down, at present frequently with mode make motor be delivered to decelerator to slow down by one-level belt pulley, setting in decelerator One or more levels mechanical reduction gear completes the deceleration of a constant-speed ratio.This structure is the most complicated, and it is big to take up room.In order to Solving this technical problem, the most some are about removing belt pulley, are directly connected to decelerator by motor, due to its electricity Machine body and decelerator remain relatively independent, and motor body and decelerator need to take installing space respectively, and structure is not Enough compact, volume is the biggest.

In order to solve above-mentioned technical problem further, the Chinese invention patent application of Publication No. CN102142734A is open A kind of external rotor electric machine assembly, including motor body, drive shaft, actuating device, wherein: drive shaft is fixed on actuating device On, motor body directly drives drive shaft, and motor body has inner diameter volume, actuating device to be arranged on motor body inner diameter volume In.Although this structure further reduces to a certain extent and takes up room, and owing to its principle is for utilizing at external rotor electric machine Stator interior circuferential spacing on by installing component, actuating device is arranged in diameter of stator bore space, therefore cannot not have Applying on the inner rotor motor of inner space, have certain limitation, the direct drive shaft of its motor body, then leads to simultaneously Cross the actuating device being arranged in motor inner diameter volume drive shaft is slowed down, be therefore also only to decrease to a certain extent and account for With space, but structure is the compactest, further, by actuating device in order to need when obtaining more big speed ratio to increase body Time long-pending, the most necessarily make external rotor electric machine increase internal diameter volume and could realize this invention, it is clear that this does not solve the skill of essence Art problem.

Therefore, how to design a kind of compact conformation, take up room little deceleration belt pulley, is that those skilled in the art are current The technical issues that need to address.

Summary of the invention

It is an object of the invention to provide a kind of compact conformation, take up room little deceleration belt pulley.

The deceleration belt pulley realizing above-mentioned purpose provided by the present invention includes:

Connect the belt of power source；

Connect the rotary body of power source via described belt, be used for producing rotational kinetic energy under the driving of power source；

It is arranged on the gear reduction on described rotary body, for obtaining rotational kinetic energy at rotary body eccentric position, And it is carried out deceleration process；

Connect the output shaft of described gear reduction, be used for the rotational kinetic energy processed through deceleration to be supplied to outside bearing Carry；

Wherein, described rotary body is belt pulley.

Preferably, the gear reduction of the present invention includes:

Be arranged on the input gear axle of position, described rotary body disalignment, be used for along with rotary body rotation and around Revolving round the sun in its axle center, thus obtains its rotational kinetic energy；

Connect described input gear axle the input gear relative to described rotary body rotation；And

It is connected with the engagement of described input gear and the fixing output gear connecting described output shaft；

Preferably, the gear reduction of the present invention also includes: outside being positioned at described rotary body and with described input gear The idler drive gear that engagement connects, is used for making input gear carry out rotation relative to rotary body.

Preferably, the axis through-hole for installing described output shaft, described output shaft are offered at described rotary body axle center It is rotatably mounted in the described axis through-hole of rotary body.

In one embodiment of the invention, the position of described rotary body disalignment is provided with for installing described input The eccentric through-hole of gear shaft, described input gear axle is rotatably mounted in described eccentric through-hole.Now, described input gear Including: fixing the first input gear connecting described input gear axle one end；And fixing connect described input gear axle another Second input gear of end, this second input gear is connected with the engagement of described output gear.Further, described input gear axle one end The fixing position connected or be rotationally connected rotary body disalignment.

In another embodiment of the present invention, described input gear includes the first input gear being fixed together With the second input gear；Wherein, the axle center of described first input gear and the second input gear respectively with described input gear axle The other end is rotationally connected or fixing connection；Wherein, described second input gear is connected with the engagement of described output gear.Further, Described idler drive gear is one and is connected with described first input gear engagement and is sleeved on the center tooth on described output shaft Wheel, is used for making described first input gear carry out rotation by interacting with idler gear.

Preferably, the deceleration belt pulley of the present invention also includes engaging, with described idler gear, the arrangement of clutch being connected, described Arrangement of clutch is axially slidably sleeved on described output shaft, makes arrangement of clutch engaging rotary body or disengaging by sliding axially Engaging with rotary body.

Hinge structure, the substantial technological point of the present invention is to propose the rotary body of power source first, as motor turns Son or belt pulley are as the tooth rest of mechanical reduction gear, by the input gear on tooth rest and remaining mechanical reduction gear portion The connection of part coordinates, and is fixed with output shaft by the output gear of mechanical reduction gear and be connected that to realize the deceleration of output shaft defeated Go out, " use rotor to be integrated with output shaft fixed connection, the most again by arranging mechanical reduction gear up relative in existing Slowing down output shaft, structure is the compactest, and it is big to take up room, and is especially that axial dimension is bigger ", the present invention is by power source Rotary body simultaneously as one of the parts of mechanical reduction gear, be i.e. truly realized the one of motor and mechanical reduction gear collection Change, substantially increase whole driver part compact conformation degree, reduce take up room, be especially axial dimension, simultaneously because tie Structure is compact, it is to avoid the consumption of a large amount of connectors, thus reduce further production cost.

Also need to special instruction, for the field of each application motor, especially belong to the washing machine neck of household electrical appliances Territory, the compact conformation degree and the reduction that how to improve motor and deceleration device thereof take up room, and reduce the most again production cost one Straight those skilled in the art is devoted for years to solve the technical problem that always, and slowing down with gear that therefore present invention proposes fills The motor put or the belt pulley with mechanical reduction gear are applied to field of household appliances, after being applied to washing machine field, Be has the meaning that improves very much.

Additionally, propose the rotary body of power source according to the present invention, if rotor or belt pulley are as gear deceleration dress The tooth rest put, the present invention can be combined by those skilled in the art with the existing technology about double-power driving structure Obtain more compact structure, take up room less, be especially that the less novel double power washing machine of axial dimension drives structure.

Simultaneously for the present invention for not carrying out the dependency structure of explanatory note on each parts, such as reinforcing rib structure, company The structures etc. such as joint bearing, spacing, load-bearing believe the conventional selection being those skilled in the art, the newest after being combined with the present invention Newness and creativeness, state the most one by one at this.

Accompanying drawing explanation

Fig. 1 is the transmission signal of the first detailed description of the invention of motor with mechanical reduction gear provided by the present invention Figure；

Fig. 2 is the transmission signal of the motor the second detailed description of the invention with mechanical reduction gear provided by the present invention Figure；

Fig. 3 is the transmission signal of the third detailed description of the invention of motor with mechanical reduction gear provided by the present invention Figure；

Fig. 4 is the transmission signal of 4th kind of detailed description of the invention of the motor with mechanical reduction gear provided by the present invention Figure；

Fig. 5 is the transmission signal of 5th kind of detailed description of the invention of the motor with mechanical reduction gear provided by the present invention Figure；

Fig. 6 is the transmission signal of 6th kind of detailed description of the invention of the motor with mechanical reduction gear provided by the present invention Figure；

Fig. 7 is the transmission signal of 7th kind of detailed description of the invention of the motor with mechanical reduction gear provided by the present invention Figure；

Fig. 8 is the transmission signal of 8th kind of detailed description of the invention of the motor with mechanical reduction gear provided by the present invention Figure；

Fig. 9 is the transmission signal of 9th kind of detailed description of the invention of the motor with mechanical reduction gear provided by the present invention Figure；

Figure 10 is that 9th kind of detailed description of the invention of the motor with mechanical reduction gear provided by the present invention is applied to laundry Machine field is as the perspective view of washing machine driver；

Figure 11 is the sectional view of Figure 10；

Figure 12 is the body portion explosive view of Figure 10；

Figure 13 is the perspective view of the rotor 23 shown in Figure 10,11,12；

Figure 14 is the sectional view of Figure 13；

Figure 15 is the stereochemical structure explosive view of Figure 13.

Figure 16 is the three-dimensional knot of a kind of body embodiment of the belt pulley with mechanical reduction gear provided by the present invention Structure schematic diagram；

Figure 17 is the structure chart of the first detailed description of the invention of washing machine provided by the present invention；

Figure 18 is the structure chart of the second detailed description of the invention of washing machine provided by the present invention；

Figure 19 is the structure chart of the third detailed description of the invention of washing machine provided by the present invention；

Figure 20 is the structure chart of the 4th kind of detailed description of the invention of washing machine provided by the present invention.

Detailed description of the invention

The core of the present invention is to provide a kind of motor with mechanical reduction gear, and axial dimension is little, compact conformation, take Space is little.

In order to make those skilled in the art be more fully understood that the present invention program, the body embodiment of sum below in conjunction with the accompanying drawings The present invention is described in further detail.

It is pointed out that referred to herein upper and lower wait the noun of locality be with during in Fig. 1 to Figure 15, parts are positioned at figure and Parts position each other defines, and is intended merely to state the clear and convenient of technical scheme.Should be appreciated that institute herein The noun of locality used should not limit the scope that present specification is claimed.

The structure that it is pointed out that function in each embodiment of the present invention is identical or communicate or component are in the drawings with identical Labelling indicate.

Refer to Fig. 1 to Fig. 9, a kind of driver, including mechanical reduction gear 200, power source, wherein: described power The rotary body in source is connected with the power intake of mechanical reduction gear 200, the clutch end of described mechanical reduction gear 200 Being connected with subordinate load, other dependency structure can be found in the first of the motor with mechanical reduction gear hereinafter described to the Any one embodiment of nine kinds of detailed description of the invention.

Equally, refer to Fig. 1 to Fig. 9, a kind of deceleration belt pulley, including mechanical reduction gear 200, power source, wherein: institute The rotary body of the power source stated is connected with the power intake of mechanical reduction gear 200, moving of described mechanical reduction gear 200 Power outfan is fixed be connected with washing mechanism and the mechanism that is filled with water respectively, and the power intake of described mechanical reduction gear 200 is The input gear axle of mechanical reduction gear 200, is connected on the rotary body of power source described input gear eccentric shaft, other Dependency structure can be found in the first of the motor with mechanical reduction gear hereinafter described to the body embodiment of the 9th kind Any one embodiment, other dependency structure also can be found in 9th kind of the motor with mechanical reduction gear provided by the present invention Detailed description of the invention is applied to the embodiment description as washing machine driver of the washing machine field.

With reference to Fig. 1, described power source is motor 100, and the rotor 23 of motor 100 is carried as the rotary body of power source Having the motor of mechanical reduction gear, Fig. 1 shows the first the transmission of body embodiment of the motor with mechanical reduction gear Schematic diagram.In this kind of embodiment, should include motor 100 with the motor of mechanical reduction gear, described motor 100 is interior turn Sub-motor 100, specifically includes motor housing (scheming unmarked), motor stator 22 and rotor 23；Motor stator 22 is fixed on On motor housing, rotor 23 is coaxially installed on inside motor stator 22, and rotor 23 is provided with multiple axis hole, motor The two ends up and down of rotor 23 are additionally provided with upper end cover and bottom end cover；Can be by lock-screw by bottom end cover, motor stator 22 and Upper end cover is fixed；Installing plate also it is fixedly connected with above upper end cover, can be by with mechanical reduction gear by installing plate Motor be arranged on external equipment.

The described motor with mechanical reduction gear also includes that output shaft 11, output shaft 11 concentric are arranged at described motor The inside of rotor 23, can arrange oiliness bearing between output shaft 11 and rotor 23, the radially defined motor of output shaft 11 turns Son 23, and realize rotating against between output shaft 11 and rotor 23 by oiliness bearing.

The described motor with mechanical reduction gear also includes that mechanical reduction gear 200, described mechanical reduction gear 200 wrap Include input gear axle the 31, first gear the 321, second gear 322, idler gear 331 and output gear 332；Input gear axle 31 It is plugged in the axis hole of rotor 23, is provided with oiliness bearing between input gear axle 31 and rotor 23, passes through oil-containing Can realize rotating against between bearing input gear axle 31 and rotor 23；First gear 321 and the second gear 322 are fixedly mounted with Two ends at input gear axle 31；First gear 321 and idler gear 331 engage, and the second gear 322 and output gear 332 are nibbled Close.

Idler gear 331 is sleeved on output shaft 11, does not fixes with output shaft 11；Output gear 332 is solid with output shaft 11 Connect, can connect by straight pin is fixing；It is additionally provided with rolling bearing, it is possible to achieve defeated between output gear 332 and bottom end cover Go out rotating against between gear 332 and bottom end cover, and axially and radially moving with limit output gear 332.

Need exist for explanation, can in motor 100 rotor plug-in mounting multiple input gear axle and matched the One gear and the second gear；The axis hole number of motor 100 rotor is preferably 2～4, and the layout of multiple input gear axles can make The combination obtaining motor 100 and mechanical reduction gear 200 is the most stable；Can certainly be only on motor 100 rotor One gear shaft of plug-in mounting and matched gear.

During present embodiment work, after motor 100 energising, drive rotor 23 to rotate, simultaneously drive and rotor The 23 input gear axles 31 connected and the first gear 321 and the second gear 322 that are fixedly mounted with input gear axle 31 revolve round the sun, due in Between gear 331 engage with the first gear 321 and to there is tooth poor, input gear axle 31 rotation can be simultaneously driven, by the second gear 322 rotate with the driving output gear 332 that engages of output gear 332, finally drive the output shaft 11 affixed with output gear 332 Rotate；Due to first gear the 321, second gear 322, between idler gear 331 and output gear 332, there is tooth difference relation, institute So that speed discrepancy can be produced between output gear 332 and rotor 23, drive the output of output shaft 11 low speed.

Need exist for explanation, first gear the 321, second gear 322, between idler gear 331 and output gear 332 Tooth difference relation can according to actually required speed reducing ratio regulation determine.

In the body embodiment of this kind, idler gear 331 and output gear 332 are ring gear.

Embodiment shown in Fig. 2 to Figure 10 is when described power source is motor 100, and the rotor 23 of motor 100 is made The embodiment during motor obtaining with mechanical reduction gear for the rotary body of power source.

With reference to Fig. 2, in the body embodiment of the second, described mechanical reduction gear 200 includes duplicate gear 32, centre Gear 331 and output gear 332；Duplicate gear 32 is sleeved on input gear axle 31 ', idler gear 331 and output gear 332 Engage with first order gear 321 and the second level gear 322 of duplicate gear 32 respectively；Idler gear 331 is sleeved on output shaft 11 On, not fix with output shaft 11, output gear 332 is fixing with output shaft 11 to be connected；Wherein, idler gear 331 and output gear 332 are external gear.

In the body embodiment of the second, input gear axle 31 ' is fixing to be inserted on rotor 23, duplicate gear 32 And can rotate against between input gear axle 31 ', when driving rotor 23 to rotate, simultaneously drive duplicate gear 32 and revolve round the sun And rotation, between the first order gear 321 of root duplicate gear 32, second level gear 322 and idler gear 331, output gear 332 Tooth difference relation equally reach output shaft 11 low speed output purpose.

It is of course also possible to input gear axle 31 ' is rotationally connected with rotor 23, duplicate gear 32 and input gear axle 31 ' fixing connections, equally realize the output of output shaft 11 low speed.

In the second detailed description of the invention or the first body embodiment aforementioned, described idler gear 331 can be External gear, it is also possible to for ring gear, described output gear 332 can be external gear, it is also possible to for ring gear, so that described tooth Wheel deceleration device 200 can have following several different embodiment.

With reference to Fig. 3, in the third embodiment, input gear axle 31 rotates and is plugged in rotor 23, the first tooth Wheel 321 and the second gear 322 are packed in the two ends of input gear axle 31；Wherein, described idler gear 331 and described output gear 332 are external gear.

With reference to Fig. 4, in the 4th kind of embodiment, input gear axle 31 rotates and is plugged in rotor 23, the first tooth Wheel 321 and the second gear 322 are packed in the two ends of input gear axle 31；Wherein, described idler gear 331 is ring gear, described Output gear 332 is external gear.

With reference to Fig. 5, in the 5th kind of embodiment, input gear axle 31 rotates and is plugged in rotor 23, the first tooth Wheel 321 and the second gear 322 are packed in the two ends of input gear axle 31；Wherein, described idler gear 331 is external gear, described Output gear 332 is ring gear.

With reference to Fig. 6, in the 6th kind of embodiment, input gear axle 31 ' is fixing with rotor 23 to be connected, duplicate gear Can rotate against between 32 and input gear axle 31 ', idler gear 331 and output gear 332 respectively with duplicate gear 32 First order gear 321 and second level gear 322 engage；Wherein, described idler gear 331 is ring gear, described output gear 332 For external gear.

Owing to the number of teeth of duplicate gear 32 two-stage gear is different, so can also be by the first order gear of duplicate gear 32 321 ' engage with output gear 332, and second level gear 322 ' engages with idler gear 331, and wherein idler gear 331 is still internal tooth Circle, output gear 332 is still external gear, and this is the 7th kind of embodiment, as shown in Figure 7.

Above-mentioned several embodiments are identical, with the transmission principle of the body embodiment of the first the most in the course of the work Repeat again.

It is pointed out that described mechanical reduction gear 200 in addition to above-mentioned several body embodiment, the most all right There is other detailed description of the invention, as long as differential reducing can be realized, make output shaft and motor 100 rotor can produce speed discrepancy ?.

In actually used, some external equipment requires that under different operating modes output shaft has different rotating speeds, such as washing machine, Need output shaft low speed to export under washing operating mode, need the output shaft can be with speedy carding process under dehydration condition so that washings Can be the most dehydrated.In order to realize the demand of external equipment difference operating mode, can be to the above-mentioned electricity with mechanical reduction gear Further improvement made by machine.

Further, the described motor with mechanical reduction gear also includes clutch 4, and clutch 4 is arranged at tooth Between wheel deceleration device 200 and rotor 23, in order to realize low speed output and the conversion of speedy carding process.

Described clutch 4 can be electromagnetic clutch mechanism, it is also possible to for mechanical clutch mechanism.Below with electromagnetic clutch machine Illustrate as a example by structure.

Concrete electromagnetic clutch mechanism may refer to electromagnetic clutch mechanism disclosed in the earlier application of the applicant, application number For CN201210084877.4, electromagnetic clutch mechanism with the annexation of miscellaneous part can be simultaneously: electromagnetic clutch mechanism Clutch gear ring can engage with idler gear 331 and be in axial sliding connection, installing plate as upper meshing part, rotor as under nibble Close parts.

Needing exist for explanation, clutch gear ring and idler gear 331 are in engagement, and two under any operating mode Can not produce between person and rotate against.After electromagnetic clutch mechanism is energized, during clutch gear ring can overcome the elastic force of spring to pass through Between gear 331 slide axially upwards so that clutch gear ring and installing plate engaging, now motor 100 energising after, gear can be passed through Deceleration device 200 realizes the output of output shaft 11 low speed；When after electromagnetic clutch mechanism power-off, under the same multiple elastic force effect of spring, Clutch gear ring is axially downwardly slided by idler gear 331 so that clutch gear ring disengages with installing plate, simultaneously with rotor 23 Engaging, mechanical reduction gear 200 self-locking, after now motor 100 energising, output shaft 11 and the synchronized rotation of rotor 23, real Existing speedy carding process.

In the course of the work, when rotor 23 and output shaft 11 rotate, inevitably result from friction, in order to reduce Friction, can arrange plane bearing between rotor 23 and output shaft 11, with slow down rotor 23 and output shaft 11 it Between pivoting friction, extend working life.

The above-mentioned motor with mechanical reduction gear can also be made and further improving.

Further, the described motor with mechanical reduction gear also includes that output sleeve 12, described output sleeve 12 overlap It is contained on output shaft 11, oiliness bearing can be set between output sleeve 12 and output shaft 11, make output sleeve 12 and output shaft Can realize between 11 rotating against.

With reference to Fig. 8, Fig. 8 be the motor with mechanical reduction gear install output sleeve additional time transmission schematic diagram.This In eight kinds of embodiments, mechanical reduction gear 200 includes the input gear axle 31 being plugged in rotor 23, is packed in input First gear 321 and second gear 322 at gear shaft 31 two ends, the first gear 321 engages with idler gear 331, the second gear 322 engage with output gear 332；Output gear 332 is affixed with output shaft 11；In idler gear 331 and output gear 332 are Gear ring.

Idler gear 331 is fixing with in output sleeve 12 one end to be connected；Clutch 4 is arranged on output sleeve 12 and motor Between rotor 23, body ground, the clutch gear ring of clutch 4 can engage with idler gear 331 and be in axial sliding connection, it is possible to To engage by spline housing with output sleeve 12 and to be in axial sliding connection.It should be noted that clutch gear ring whether through in Between gear 331 or spline housing is connected with output sleeve 12, under any operating mode, all engage with idler gear 331 or spline housing And can not rotate against.Clutch energising or power-off effect under, described clutch gear ring can engage with rotor 23 or Disconnect.

When clutch gear ring engages with rotor 23, idler gear 331 is locked with rotor 23, makes gear slow down and fills Putting 200 self-lockings, output shaft 11, mechanical reduction gear 200, output sleeve 12 and rotor 23 export with rotating speed.

When clutch gear ring disconnects with rotor 23, the fixture of clutch tooth circle and motor 100 can be made, such as peace Dress board closes so that the output sleeve 12 being connected with clutch 4 is in stationary state, by mechanical reduction gear 200, output Axle 11 can realize low speed output；

At this time it is also possible to make the clutch gear ring fixture not with motor 100 engage, make clutch gear ring be in not and fix shape State, the output sleeve 12 being connected with clutch gear ring is also at not stationary state, while output shaft 11 low speed exports, output shaft Set 12 also with certain speed ratio low speed output, i.e. can realize composite power output.Need exist for explanation, when output shaft 11 Both can be low speed output in the same direction with output sleeve 12, it is also possible to be the output of reverse low speed.Output shaft 11 and output sleeve 12 Turn to identical or contrary, depend on the positive and negative values of mechanical reduction gear 200 tooth difference ratio, in actual applications, can be according to need The tooth difference relation of mechanical reduction gear 200 to be set.

There is also the need to explanation, this 8th kind of output sleeve described in embodiment with mechanical reduction gear The mechanical reduction gear 200 of motor equally have other as Fig. 1-7 arbitrarily shown in detailed description of the invention, specifically such as center tooth Wheel 331 and output gear 332 are equally ring gear, it is also possible to for external gear；First can also be replaced with duplicate gear Gear 321 and the second gear 322 realize identical function.

Further, the motor application with mechanical reduction gear is provided to lead in washing machine when this 8th kind of embodiment When territory is as washing machine driver, the output shaft 11 described in embodiment of above can be become the wash shaft of washing machine, output Axle sleeve 12 becomes the dehydrating shaft of washing machine, and realizes washing and the conversion of dehydration condition by clutch 4, particularly as follows:

When clutch gear ring disconnects with rotor 23, the fixture of clutch tooth circle and motor 100 can be made, such as peace Dress board closes, and the output sleeve 12 being connected with clutch gear ring is in stationary state, by mechanical reduction gear 200, output shaft 11 Low speed output can be realized, i.e. realize single type of drive of washing machine；Can make clutch tooth circle not with the fixture card of motor 100 Closing, make clutch gear ring be in not stationary state, the output sleeve 12 being connected with clutch gear ring is also at not stationary state, in output While the output of axle 11 low speed, output sleeve 12, also with certain speed ratio low speed output, i.e. can realize composite power output, i.e. Realize the even power drive mode of washing machine, it is achieved washing function.

When the clutch gear ring of clutch 4 engages with rotor 23, idler gear 331 is locked with rotor 23, Making mechanical reduction gear 200 self-locking, output shaft 11, mechanical reduction gear 200, output sleeve 12 and rotor 23 are defeated with rotating speed Go out, it is achieved dehydrating function.

Further, above-mentioned embodiment is the inner rotor motor 100 with mechanical reduction gear 200, and the present invention works as So can also include the embodiment of the external rotor electric machine 100 with mechanical reduction gear 200, seeing Fig. 9, Fig. 9 is the present invention The transmission schematic diagram of the body embodiment of the 9th kind of the motor with mechanical reduction gear is provided, in this kind of embodiment, Should include motor 100 body with the motor of mechanical reduction gear, described motor 100 body is external rotor electric machine 100, specifically wraps Including motor stator 22 and rotor 23, rotor 23 concentric is arranged at outside motor stator 22, and other dependency structure can See the 8th kind of embodiment, simultaneously its described mechanical reduction gear 200 also can with in the present invention the first in the 7th kind Any one embodiment.

Further, this 9th kind of detailed description of the invention and obtaining to the 8th kind of any described change according to the first Embodiment can also be applied to washing machine field equally as washing machine driver, be by described in detailed description of the invention equally Output shaft 11 become the wash shaft 51 of washing machine, output sleeve 12 becomes the dehydrating shaft 52 of washing machine；Equally with this 9th kind As a example by detailed description of the invention, specifically may refer to Figure 10,11,12, wherein Figure 10 is that provided by the present invention deceleration with gear fills The 9th kind of detailed description of the invention of the motor put is applied to the washing machine field perspective view as washing machine driver；Figure 11 is the sectional view of Figure 10；Figure 12 is the body portion explosive view (be parts and only carried out uncomplete explosion) of Figure 10, at this Planting in embodiment, should include motor 100 body with the motor of mechanical reduction gear, described motor 100 body is outer rotor Motor 100, body include motor stator 22 and rotor 23；Rotor 23 concentric is arranged at outside motor stator 22, Being provided with multiple axis hole on rotor 23, the top of motor stator 22 is fixing with installing plate 26 even by stator mounting disc 221 Connecing, the fixing mode connected can be that screw is fastenedly connected, naturally it is also possible to is other fixing connected modes, by installing plate 26 Motor with mechanical reduction gear can be arranged on washing machine, it is also possible to by motor stator 22, directly and installing plate 26 is solid Fixed connection, then by installing plate 26, above-mentioned driver is arranged on washing machine.

Rotor 23 can be found in Figure 13,14,15, body include: described rotor 23 is outer rotor, specifically includes Rotor case 231, yoke 232 and some permanent magnetic steels 233, wherein: described permanent magnetic steel 233 is evenly spaced apart to be fixedly installed On rotor case 231 lateral wall, described yoke 232 is positioned at outside permanent magnetic steel 233 and company fixing with rotor case 231 Connect；Described one end, rotor case 231 side includes that extension limit 231a, described extension limit 231a are easy to the stickup of permanent magnetic steel Process operations；Described rotor case 231 is integrated cast aluminum construction；Also it is integrally formed with on described rotor case 231 lateral wall Some permanent magnetic steel locating spacers 234, for the permanent magnetic steel 233 uniform intervals distribution on rotor case 231, described Permanent magnetic steel locating spacers 234 is integrally formed with rotor case by cast aluminium simultaneously；Described rotor case 231 be provided with The input gear axle 31 of mechanical reduction gear 200 carries out the axis hole 231c of plug-in mounting cooperation；The quantity of described axis hole 231c is 1- 10, preferably 25；Described permanent magnetic steel 233 radius of curvature in the middle part of rotor case 231 side is more than the song at two ends Rate radius, i.e. forms an arc-shaped convex at permanent magnetic steel 233 in the middle part of rotor case 231 side.Described in present embodiment The assembly method of rotor 23 may is that first permanent magnetic steel 233 is evenly spaced apart fixing being pasted onto outside rotor case 231 On sidewall；Then yoke 232 is covered outside permanent magnetic steel 233, be connected fixing with rotor case 231 for yoke 232 simultaneously. Rotor case 231 realizes both fixing with yoke 232 by chase mortise matching mechanism and is connected, naturally it is also possible to use other to fix Connected mode.

The wash shaft 51 of washing machine is coaxially installed in rotor 23, is provided with between wash shaft 51 and rotor 23 Rotor oiliness bearing (not shown), the radially defined rotor of wash shaft 51 23, and realize washing by rotor oiliness bearing Rotating against between axle 51 and rotor 23.

The dehydrating shaft 52 of washing machine is sleeved in wash shaft 51, is provided with washing between dehydrating shaft 52 and described wash shaft 51 Axle oiliness bearing 80, makes dehydrating shaft 52 and wash shaft 51 to rotate against, and the quantity of described wash shaft oiliness bearing 80 is permissible For multiple, it is arranged on diverse location so that rotating against of dehydrating shaft 52 and wash shaft 51 is more stable.

Described washing machine driver also includes that mechanical reduction gear 200, described mechanical reduction gear 200 include input gear Axle the 31, first gear the 321, second gear 322, idler gear 331 and output gear 332；Input gear axle 31 is plugged in motor In the axis hole of rotor 23, it is provided with oiliness bearing (not shown) between input gear axle 31 and rotor 23, passes through oil-containing Bearing makes can realize between input gear axle 31 and rotor 23 rotating against；First gear 321 and the second gear 322 It is packed in the two ends of input gear axle 31；First gear 321 and idler gear 331 engage, the second gear 322 and output gear 332 engagements, idler gear 331 and output gear 332 are ring gear.

Idler gear 331 is fixing with one end of described dehydrating shaft 52 to be connected, and fixing connected mode can be spline adapter sleeve Connect, it is also possible to be that screw is fastenedly connected, it is also possible to be other fixing connected modes；Output gear 332 is fixing with wash shaft 51 even Connect, it is preferable that output gear 332 is moulding, on adapter sleeve 90, specifically carry out injection obtain, adapter sleeve 90 again with wash shaft 51 by spline fastening socket, it is also possible to be that screw is fastenedly connected, it is also possible to be other fixing connected modes.

Needing exist for explanation, the axis hole of motor 100 rotor could be arranged to multiple, i.e. can be at motor 100 rotor Interior plug-in mounting multiple input gear axle and the first matched gear and the second gear；The layout of multiple input gear axles can make The combination obtaining motor 100 and mechanical reduction gear 200 is the most stable, extends working life.

Described washing machine driver also includes that clutch 4, described clutch 4 are arranged on dehydrating shaft 52 and rotor Between 23, in order to realize washing operating mode and the conversion of dehydration condition.

Described solenoid mechanism includes solenoid 42 and clutch gear ring 41, and solenoid 42 can be located at clutch gear ring Inner side, it is also possible to being positioned at outside it, described solenoid 42 can include coil, coil holder, coil retainer, clutch cover plate (figure body the most not illustrates and labelling), coil winding is on coil holder, and coil holder is positioned on coil retainer, and clutch cover plate is positioned at line Above circle retainer, clutch cover plate is fixed on after being connected with coil retainer in stator mounting disc 221, and clutch gear ring 41 is set with On idler gear 331, clutch gear ring 41 and idler gear 331 engage and are in axial sliding connection.Need exist for explanation, from The outside of the inner side and idler gear 331 of closing gear ring 41 is equipped with the tooth for being engaged between the two, clutch gear ring 41 He Idler gear 331 is in engagement under any operating mode, and can not produce between the two and rotate against.Described coil is protected Hold frame, clutch cover plate, clutch gear ring 41 all contain permeability magnetic material, form a closed magnetic circuit, i.e. constitute magnetic field between three. Further, when stator mounting disc 221 is permeability magnetic material, stator mounting disc 221 can become clutch cover plate simultaneously, when fixed When sub-mounting disc 221 is permeability magnetic material, clutch cover plate is fixedly connected in stator mounting disc 221.Preferably, at clutch gear ring 41 upper ends are fixing connects spring (not shown).

Producing magnetic field after electromagnetic clutch mechanism is energized, clutch gear ring 41 can overcome the elastic force of spring along idler gear 331 slide axially upwards so that clutch gear ring 41 disconnects with rotor 23, after now motor 100 energising, can pass through Mechanical reduction gear 200 realizes the output of wash shaft 51 low speed, it is achieved washing function.

It is pointed out that and can realize common output with composite power (also by the fixed form changing clutch 4 It is even power) output.

Specifically, when clutch gear ring 41 disconnects with rotor 23, clutch gear ring 41 and stator mounting disc can be made 221 engage, and the idler gear 331 and the dehydrating shaft 52 that are now connected with clutch gear ring 41 are in stationary state, thus washers Wash shaft 51 low speed is only had to be output as commonly washing output, also referred to as washing machine list type of drive during condition,；When clutch gear ring 41 with Rotor 23 disconnects and does not fixes, here unfixing refer to clutch gear ring 41 not with any portion being in stationary state Part engages, and the idler gear 331 and the dehydrating shaft 52 that are i.e. connected with clutch gear ring 41 are also at not stationary state, now in wash shaft While 51 low speed outputs, dehydrating shaft 52, also by certain speed ratio low speed output, i.e. can realize composite power output, also referred to as Washing machine even power drive mode, needs exist for explanation, and wash shaft 51 and dehydrating shaft 52 both same can turn to low speed to export, Can also reversely export.Turning to of wash shaft 51 and dehydrating shaft 52 is identical or contrary, depends on gear reduction tooth difference ratio Positive and negative values, in actual applications, the tooth difference relation of gear reduction can be set as required.

Further body ground, when clutch gear ring 41 is not fixed when washing operating mode, and when the washing machine of application is When impeller 400 formula or agitator type washing machine, described impeller 400 formula or agitator type washing machine include that (impeller 400 is for stirring for agitator Mix the one of device) and interior bucket 500, its mode of washing is: described agitator and interior bucket 500 respectively with mechanical reduction gear 200 Clutch end connect, washing machine carries out washing and the conversion of dehydration condition by clutch, when washing operating mode, agitator With interior bucket 500 bidirectional rotation, during dehydration condition, agitator and interior bucket 500 rotating Vortex；During washing operating mode, described interior bucket 500 Immediately determine rotating ratio according to Drag distribution relation at random with agitator, and carry out bidirectional rotation, described rotating speed at rotating ratio More transformable than being.

Further body ground, when clutch gear ring 41 is fixed when washing operating mode, and when the washing machine of application is ripple When taking turns 400 formulas or agitator type washing machine, described impeller 400 formula or agitator type washing machine include that (impeller 400 is stirring to agitator The one of device) and interior bucket 500, its mode of washing is: described agitator and interior bucket 500 respectively with mechanical reduction gear 200 Clutch end connects, and washing machine carries out the conversion of washing and dehydration condition by clutch 4, during washing operating mode, and interior bucket 500 Maintaining static, agitator rotates, during dehydration condition, and agitator and interior bucket 500 rotating Vortex.

As it has been described above, when the washing machine of application is tumbling-box washing machine, described tumbling-box washing machine includes cylinder 600 With interior bucket 500, its mode of washing is: described cylinder 600 and interior bucket 500 power with mechanical reduction gear 200 respectively exports End connects, and washing machine carries out the conversion of washing and dehydration condition by clutch, during washing operating mode, and cylinder 600 and interior bucket 500 Bidirectional rotation, during dehydration condition, cylinder 600 and interior bucket 500 rotating Vortex；During washing operating mode, described interior bucket 500 and cylinder 600 according to Drag distribution relation immediately determine rotating ratio at random, and carry out bidirectional rotation at rotating ratio, and described rotating ratio is can Change.

Similarly, as described above, when the washing machine of application is tumbling-box washing machine, described tumbling-box washing machine includes rolling Cylinder 600 and interior bucket 500, its mode of washing is: described cylinder 600 and interior bucket 500 respectively with the power of mechanical reduction gear 200 Outfan connects, and washing machine carries out the conversion of washing and dehydration condition by clutch, and during washing operating mode, interior bucket 500 is fixed Motionless, cylinder 600 rotates, during dehydration condition, and cylinder 600 and interior bucket 500 rotating Vortex.

When, after electromagnetic clutch mechanism power-off, magnetic field disappears, and under the elastic force effect of spring, clutch gear ring 41 is along idler gear 331 axially downwardly slide so that clutch gear ring 41 engages with rotor 23, due to clutch gear ring 41 and idler gear 331 it Between do not produce and rotate against, so now idler gear 331 and the dehydrating shaft 52 being connected with idler gear 331 and rotor 23 is locked, thus causes mechanical reduction gear 200 self-locking, and wash shaft 51, mechanical reduction gear 200, dehydrating shaft 52 and motor turn Son 23 same rotational speed, it is achieved dehydrating function.

The concrete structure explanation of described clutch gear ring 41 sees the earlier patent application of the applicant, Application No. About the related text explanation of clutch gear ring in CN201210084877.4.

The upper gear shaping with clutch gear ring 41 and lower gear shaping it is respectively equipped with in described stator mounting disc 221 and rotor 23 The upper slot parts (not shown) of fixing engaging and lower slot parts (231b).

There is also the need to explanation, motor stator 22 directly fixed with installing plate 26 when being connected, above-mentioned electromagnetism from The annexation closing mechanism and stator mounting disc 21 the most all replaces with the annexation of electromagnetic clutch mechanism and installing plate 26.

Simultaneously need to explanation, the structure such as stator mounting disc 221 of the present invention, installing plate 26 and upper slot May refer to the earlier patent application of the applicant too, the structure design of Application No. CN201210084877.4, equally Can be according to actual needs, it is also possible on installing plate 26, be fixedly installed bear box etc..

The present invention can also be according to mounting structure demand, and described clutch gear ring 41 can also (body be permissible by spline For spline housing) engage with dehydrating shaft 52 and be in axial sliding connection, itself and above-mentioned clutch gear ring 41 and the function of idler gear 331 The most identical with effect.

There is also the need to explanation be, it is also possible to clutch 4 is arranged on other driving members of mechanical reduction gear 200 With between rotor 23 or be set directly between the driving member of mechanical reduction gear 200 carry out engaging or disconnect real Now washing operating mode and the conversion of dehydration condition；As long as the setting of clutch 4 can realize washing of drum type washing machine operating mode and dehydration work The conversion of condition.

Owing to when dehydration condition, dehydrating shaft 52 to bear the weight of washing medicated clothing, in order to limit the axial of dehydrating shaft 52 Mobile, plane bearing, plain cushion and circlip (scheming the most not shown) can be set between dehydrating shaft 52 and idler gear 331 Limit the dehydrating shaft 52 movement at its axis direction, load-bearing jump ring can also be set on dehydrating shaft 52 diverse location or hold simultaneously Weight pad realizes the load-bearing effect to dehydrating shaft 52.

In order to enable wash shaft 51 and dehydrating shaft 52 more stably to rotate when dehydration condition, in dehydrating shaft 52 and installation It is provided with clutch shaft bearing 831 between plate 26, between dehydrating shaft 52 and stator mounting disc 221, is provided with the second bearing 832.

Further, between wash shaft 51 and dehydrating shaft 52, it is provided with the first water seal (not shown), also cries little water seal, Between dehydrating shaft 52 and installing plate 26, it is provided with the second water seal 60, also cries big water seal, be used for preventing in washing machine work process Washings enter washing machine internal drive.

Clutch 4 described in above detailed description of the invention is electromagnetic clutch mechanism, of course, it is also possible to be known often Mechanical clutch mechanism in knowledge, it is believed that those skilled in the art is on the basis of the present invention, it is not necessary to spend creative work ground Mechanical clutch mechanism is substituted electromagnetic clutch mechanism.

Due to described in above-mentioned embodiment for realizing the connection of each parts, load-bearing, the most spacing, sealing function The structures such as bearing, jump ring, pad, circlip, plane bearing, packing ring, sealing ring used belong to those skilled in the art's Conventional design means, embodiment of the present invention there may be and these structures have not been able to make full disclosure, but believes These are not possess novelty and creativeness, of course, concrete arrange can also directly see the applicant in first patent The word of application describes, Application No. CN201210084877.4.

Mechanical reduction gear 200 described in embodiment of above is NN type gear with small teeth difference deceleration device 200 simultaneously, this So that the present invention obtains bigger gear ratio, of course, mechanical reduction gear 200 described according to actual needs is all right For NGW mechanical reduction gear 200, it is specifically as follows: idler gear is ring gear, including the idler gear engaged successively, input Gear, output gear, described idler gear can be sleeved on described output shaft with the relative rotation, and input gear is external gear And be sleeved on output gear shaft.Remaining dependency structure of present embodiment may refer to remaining any one embodiment.

See Figure 16, when described power source is with the motor 100 of belt pulley 300 output, described belt pulley 300 conduct The rotary body of power source, obtains the belt pulley 300 with mechanical reduction gear 200, the input of described mechanical reduction gear 200 Gear can be carried out rotatably and be eccentrically mounted on belt pulley 300, described tooth by opposite pulleys 300 by input gear axle Output gear and the output shaft of wheel deceleration device 200 are fixed and are connected, and it is any that other dependency structure can be found in shown in Fig. 1 to Fig. 9 A kind of associated description of embodiment.

Drive as washing machine when the belt pulley 300 with mechanical reduction gear 200 shown in Figure 16 is applied to washing machine During device, body dependency structure may refer to the 9th kind of the motor with mechanical reduction gear provided by the present invention shown in Figure 10 tool Body embodiment is applied to the washing machine field related embodiment as washing machine driver.

The body that the specific embodiment party of mechanical reduction gear 200 of the present invention is permissible sees with mechanical reduction gear Each of motor embodiment, this is no longer going to repeat them.

Seeing Figure 17, a kind of washing machine, including interior bucket 500, impeller 400, mechanical reduction gear 200, power source and clutch Mechanism 4, wherein: described power source is motor 100, the output shaft of described mechanical reduction gear 200 is fixing with impeller 400 even Connecing, the output sleeve of described mechanical reduction gear 200 is fixing with interior bucket 500 to be connected, and the rotor of motor 100 is as power source Rotary body is connected with the power intake of mechanical reduction gear 200, and described clutch 4 is by realizing from the state switching of conjunction Power transmission between each parts of mechanical reduction gear 200 or locking, remaining associated components can be found in other any one real Execute mode.

Seeing Figure 18, a kind of washing machine, including interior bucket 500, impeller 400, mechanical reduction gear 200, power source and clutch Mechanism 4, wherein: described power source is with the motor 100 of belt pulley 300 output, the output of described mechanical reduction gear 200 Axle is fixing with impeller 400 to be connected, and the output sleeve of described mechanical reduction gear 200 is fixing with interior bucket 500 to be connected, with motor 100 belt pulleys 300 connected are connected with the power intake of mechanical reduction gear 200 as the rotary body of power source, described Clutch 4 passes through to realize the power transmission between each parts of mechanical reduction gear 200 or locking from the switching of conjunction state, its Remaining associated components can be found in other any one embodiments.

Seeing Figure 19, a kind of washing machine, including interior bucket 500, cylinder 600, mechanical reduction gear 200, power source and clutch Mechanism 4, wherein: described power source is motor 100, the output shaft of described mechanical reduction gear 200 is fixing with cylinder 600 even Connecing, the output sleeve of described mechanical reduction gear 200 is fixing with interior bucket 500 to be connected, and the rotor of motor 100 is as power source Rotary body is connected with the power intake of mechanical reduction gear 200, and described clutch 4 is by realizing from the state switching of conjunction Power transmission between each parts of mechanical reduction gear 200 or locking, remaining associated components can be found in other any one real Execute mode.

See Figure 20, a kind of washing machine, including interior bucket 500, agitator 700, mechanical reduction gear 200, power source and from Closing mechanism 4, wherein: described power source is motor 100, the output shaft of described mechanical reduction gear 200 is solid with agitator 700 Fixed connection, the output sleeve of described mechanical reduction gear 200 is fixing with interior bucket 500 to be connected, and the rotor of motor 100 is as power The rotary body in source is connected with the power intake of mechanical reduction gear 200, and described clutch 4 is by switching from the state of conjunction Realizing the power transmission between each parts of mechanical reduction gear 200 or locking, it is any one that remaining associated components can be found in other Plant embodiment.

In sum, the invention provides a kind of deceleration belt pulley, as shown in Fig. 1-12 and Figure 16, including: connect power The belt in source；Connect the rotary body 23 of power source via described belt, be used for producing rotational kinetic energy under the driving of power source；Peace It is contained in the gear reduction on described rotary body, for obtaining rotational kinetic energy at rotary body eccentric position, and it is carried out Deceleration processes；Connect the output shaft 11 of described gear reduction, outside being used for the rotational kinetic energy processed through deceleration to be supplied to Section load；Wherein, described rotary body is the belt pulley 300 shown in Figure 16.

The power source of the present invention is it may be that use the motor of electric energy, it is also possible to be to use wind energy, water energy or other energy The power set driven.

It should be noted that the present invention uses rotor 23 in Fig. 1-12 as the reason of belt pulley it is, both It it is the rotary body of miscellaneous part driving.Therefore when structure shown in Fig. 1-12 is applied to the deceleration belt pulley of Figure 16, can be by 1- Rotor shown in 12 is considered as belt pulley 300, is considered as connecting the skin of belt pulley 300 by electromagnetic action in the stator 22 of rotor Band.

As shown in figs. 1-12, the gear reduction of the present invention includes: be arranged on position, described rotor 23 disalignment Input gear axle 31, be used for revolving round the sun around its axle center along with the rotation of rotary body 23, thus obtain its rotational kinetic energy；Connect Described input gear axle the minor diameter input gear 31 relative to the rotation of described rotary body 23；Engage with described input gear even The major diameter output gear 332 connect；It is installed at described rotary body 23 axle center and the fixing output connecting described output gear 322 Axle 11.

As shown in figs. 1-12, the gear reduction of the present invention also includes: outside being positioned at described rotary body 23 and with described The idler drive gear 331 that input gear engagement connects, the axes sleeve of this idler drive gear 331 is contained in described output shaft 11 On, its function is, when the arrangement of clutch 4 engaging connection departs from rotary body 23, makes input gear relative to rotary body 23 Carry out rotation.It is to say, idler drive gear can carry out revolving round the sun along with input gear axle 31 at input gear and revolve round the sun Meanwhile, input gear is forced to carry out rotation relative to rotary body 23.

As shown in Figure 8 and Figure 9, the output shaft 11 of gear reduction can also be set with an output sleeve 12, at this In the case of, the output sleeve 12 connecting described output shaft 11 is fixed in the axle center of idler drive gear 331.Now, midway drive tooth Wheel 331 at least have two kinds of functions.One of function is: utilize the arrangement of clutch 4 the engaging connection engaging to rotary body 23 Effect, makes output sleeve 12 rotate by the rotary speed of rotary body 23；The two of function are: when the clutch engaging connection When device 4 departs from rotary body 23, input gear is made to carry out rotation relative to rotary body 23.It is to say, idler drive gear can While revolving round the sun along with input gear axle 31 at input gear and to revolve round the sun, input gear is forced to enter relative to rotary body 23 Row rotation.

Seeing Fig. 1-12, offer the axis through-hole for installing output shaft 11 at rotary body 23 axle center, output shaft 11 can It is rotatably mounted in the axis through-hole of rotary body 23.

Seeing the embodiment shown in Fig. 1, Fig. 3 and Fig. 4, Fig. 5, Fig. 8 and Fig. 9, the position of rotary body 23 disalignment sets Having the eccentric through-hole for installing input gear axle 31, input gear axle 31 is rotatably mounted in eccentric through-hole, and its Eccentric through-hole is stretched out at two ends respectively.In these embodiments, input gear includes: fixing connect the of input gear axle 31 one end One input gear 321；And fix the second input gear 322 connecting input gear axle 31 other end, this second input gear 322 are connected with output gear 332 engagement.

See the embodiment shown in Fig. 1, Fig. 3 and Fig. 4, Fig. 5, Fig. 8 and Fig. 9, idler drive gear be one defeated with first Enter the idler gear 331 of gear 321 engagement.Its function is, by sliding axially of arrangement of clutch 4, makes idler gear 331 be in It is not about the state of rotary body axle center revolution, so that the first input gear 321 around the revolution of rotary body axle center carries out rotation, And and then drive input gear axle 31 and the second input gear 322 to carry out rotation.

More specifically, owing to idler gear 331 does not revolves round the sun, and the first input gear 321 is at input gear axle 31 Revolve round the sun around rotary body axle center under driving, therefore produce between idler gear 331 and the first input gear 321 that engagement connects Interaction force, thus promote the first input gear 321 relative to rotary body rotation, and and then drive input gear axle 31 He Second input gear 322 carries out rotation.

Seeing the embodiment shown in Fig. 2, Fig. 6 and Fig. 7, connection rotation can also be fixed in input gear axle 31 one end of the present invention Turn the position of 23 disalignments.Now, input gear includes the first input gear (321) and being fixed together Two input gears (322), this first input gear (321) and the second input gear (322) can be duplicate gears.

Additionally, as shown in Fig. 2, Fig. 6 and Fig. 7, the axle center of the first input gear 321 and the second input gear 322 respectively with Input gear axle 31 other end is rotationally connected；Second input gear 322 is connected with output gear 332 engagement.

As shown in figs. 1-12, the gear reduction of the present invention also include with described idler gear 311 engagement be connected from Locking device 4, when arrangement of clutch 4 slides axially engaging rotary body 23, makes output sleeve 12 under idler gear 311 drives, presses The rotary speed of rotary body 23 rotates.

In the embodiment shown in Fig. 2, Fig. 6 and Fig. 7, the idler drive gear of the present invention is one and the first input gear The idler gear 331 that 321 engagements connect and are sleeved on output sleeve 12.

As it has been described above, sliding axially by arrangement of clutch 4, idler gear 331 can be made to be in and to be not about rotary body axle The state of heart revolution, so that the first input gear 321 around the revolution of rotary body axle center carries out rotation, and then drive second is defeated Enter gear 322 and carry out rotation.

On the other hand, in the embodiment shown in Fig. 2, Fig. 6 and Fig. 7, input gear axle 31 one end is rotationally connected rotary body The position of disalignment.Now, input gear include fixing with input gear axle 31 other end be connected there is the first input Gear 321 and the duplicate gear of the second input gear 322；And the second input gear 322 is connected with output gear 332 engagement. The idler gear 331 that first input gear 321 engagement connects and is sleeved on output sleeve 12, in order to the first input gear first Input gear 321 carries out rotation by interacting with idler gear.

As it has been described above, sliding axially by arrangement of clutch 4, make idler gear 331 be in and be not about rotary body axle center public affairs The state turned, so that the first input gear 321 around the revolution of rotary body axle center carries out rotation, and then drives the second input tooth Wheel 322 and input gear axle 31 carry out rotation.

In the present invention, idler gear 311 engagement connects arrangement of clutch 4, and arrangement of clutch 4 can be sleeved on axially slidably On output sleeve 12, arrangement of clutch 4 is made to engage rotary body 23 or depart from the engaging with rotary body 23 by sliding axially.

Specifically, the present invention can be by promoting the clutch gear ring of the arrangement of clutch 4 being connected with idler gear 311 engagement 41 positive directions slide axially, and make the clutch gear ring 41 of arrangement of clutch 4 depart from the engaging with rotary body 23, so that idler gear 331 enter the state being not about the revolution of rotary body axle center, in order to low speed output rotary body rotational kinetic energy.It is to say, work as clutch When the clutch gear ring 41 of device 4 departs from rotary body 23, idler gear 311 enters be not about rotary body 23 because departing from rotary body 23 The state of axle center revolution, causes the first input gear to be able to rotation, and then drives the second gear rotation, so that output shaft 11 is real Show the low speed output of rotary body rotational kinetic energy.

The present invention can also be connected clutch gear ring 41 opposite direction by promotion with idler gear 311 engagement and slide axially, and compels Arrangement of clutch 4 clutch gear ring 41 is made to engage rotary body 23, so that idler gear 331 enters the shape around the revolution of rotary body axle center State, in order to speedy carding process rotary body rotational kinetic energy.It is to say, when arrangement of clutch 4 engages rotary body 23, cause idler gear 311 combine with rotary body 23, force idler gear 311 to enter the state around the revolution of rotary body 23 axle center, make centre Gear 311 loses the active force that the first input gear 321 carries out rotation, causes the first output gear and the second input gear equal Stop rotation, so that output shaft 11 achieves the speedy carding process of rotary body rotational kinetic energy.

Above the present invention is described in detail.Body example used herein is to the principle of the present invention and embodiment party Formula is set forth, and the explanation of embodiment of above is only intended to help to understand method and the core concept thereof of the present invention.Should Point out, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to this Bright carrying out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.

Claims

1. a deceleration belt pulley, it is characterised in that including: connect the belt of power source；Power source is connected via described belt Rotary body, be used under the driving of power source produce rotational kinetic energy；It is arranged on the gear reduction on described rotary body, uses In obtaining rotational kinetic energy at rotary body eccentric position, and it is carried out deceleration process；Connect the defeated of described gear reduction Shaft, is used for the rotational kinetic energy processed through deceleration to be supplied to external loading；Wherein, described rotary body is belt pulley, institute State gear reduction to include: be arranged on the input gear axle of position, described rotary body disalignment, be used for along with rotary body Rotation and revolve round the sun around its axle center, thus obtain its rotational kinetic energy；Connect described input gear axle and relative to described rotation The input gear of body rotation；And be connected and the fixing output gear connecting described output shaft, institute with the engagement of described input gear The position stating rotary body disalignment is provided with the eccentric through-hole for installing described input gear axle, and described input gear axle can Being rotatably mounted in described eccentric through-hole, described input gear includes: the first of the described input gear axle one end of fixing connection Input gear；And the second input gear of the described input gear axle other end of fixing connection, this second input gear is with described Output gear engagement connects.

Deceleration belt pulley the most according to claim 1, it is characterised in that described gear reduction also includes: be positioned at institute Engage, outside stating rotary body and with described input gear, the idler drive gear being connected, be used for making input gear relative to rotary body Carry out rotation.

Deceleration belt pulley the most according to claim 1 and 2, it is characterised in that offer at described rotary body axle center for Installing the axis through-hole of described output shaft, described output shaft is rotatably mounted in the described axis through-hole of rotary body.

Deceleration belt pulley the most according to claim 1, it is characterised in that described input gear axle one end is fixing connect or It is rotatably connected on the position of rotary body disalignment.

Deceleration belt pulley the most according to claim 4, it is characterised in that described input gear includes being fixed together The first input gear and the second input gear；Wherein, the axle center of described first input gear and the second input gear respectively with The described input gear axle other end is rotationally connected or fixing connection；Wherein, described second input gear and described output gear Engagement connects.

Deceleration belt pulley the most according to claim 2, it is characterised in that described idler drive gear and described first input Gear engagement connects and is sleeved on described output shaft, is used for making described first input gear by mutual with idler drive gear Effect carries out rotation.

Deceleration belt pulley the most according to claim 6, it is characterised in that also include engaging with described idler drive gear even The arrangement of clutch connect, described arrangement of clutch is axially slidably sleeved on described output shaft, makes clutch fill by sliding axially Put engaging rotary body or depart from the engaging with rotary body.