CN102877267B - A kind of motor and speed-reducing clutch assembly - Google Patents

A kind of motor and speed-reducing clutch assembly Download PDF

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Publication number
CN102877267B
CN102877267B CN201210396213.1A CN201210396213A CN102877267B CN 102877267 B CN102877267 B CN 102877267B CN 201210396213 A CN201210396213 A CN 201210396213A CN 102877267 B CN102877267 B CN 102877267B
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motor
gear
clutch
gear reduction
speed
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CN102877267A (en
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刘晓辉
陈昌
胡义明
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Changzhou Sinya Motor Co., Ltd.
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CHANGZHOU MASTER MACHINERY Co Ltd
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Abstract

The present invention relates to a kind of motor and speed-reducing clutch assembly, described speed-reducing clutch comprises gear reduction 200, clutch 300 and holder housing 400, described gear reduction 200 carries out deceleration to described motor 100 and exports, described clutch 300 is connected optionally to realize described gear reduction 200 and carries out to described motor 100 function exported of slowing down with described gear reduction 200, and then realize described motor 100 in the conversion exported between non-deceleration output of slowing down, described motor and speed-reducing clutch assembly 3 realize self parts by described holder housing 400 and/or it is connected with the installation of other parts outside, wherein: the sun gear 210 of described gear reduction is directly fixedly installed on the rotor 110 of described motor, the present invention effectively drastically reduce the area taking of installation volume, reduce manufacturing cost, and it is applied widely.<!--1-->

Description

A kind of motor and speed-reducing clutch assembly
Technical field
The present invention relates to a kind of motor and speed-reducing clutch assembly, be especially applicable to being applied to washing machine field.
Background technology
As everyone knows, in washing machine field, be arranged on the driving function that the motor of washing machine internal and the speed-reducing clutch driving mechanism carrying out being connected as washing machine realizes washing machine.How under the prerequisite meeting performance, constantly reduce the installation volume of driving mechanism for washing machine or space hold and manufacturing cost thereof and become the two large technical problems that washing machine manufacturer in recent years endeavours to pursue.
In order to solve the problems of the technologies described above, domestic have more Patents technology open, but mostly still rest on optimization localized design, and these contributions for this area remain very little.The applicant and other applicant of being associated are in order to solve these technical problems, since 2010, propose tens patent applications, the above two large technical problems of solution are made and has contributed largely, comparatively typically have: the Chinese invention patent being CN102345219A as patent publication No. discloses a kind of speed reducing shaft clutch for washing machine, there is driving shaft and propeller shaft sleeve, driving shaft has the driving shaft and power transmission shaft that above-below direction coaxially arranges, driving shaft is connected with drive motors, its arranged outside planetary wheeling assembly, planetary wheeling assembly has planetary gear retainer, be arranged on planetary gear retainer, and the planetary gear be meshed with driving shaft and be arranged on planetary gear outer ring and the planetary gear external toothing be meshed with planetary gear, planetary gear external toothing is connected with power transmission shaft, profile of tooth clutch ring is socketed outside planetary gear external toothing, spline fitted between profile of tooth clutch ring and planetary gear external toothing and above-below direction are slidably connected, profile of tooth clutch ring lower end is provided with gear shaping, the slot dish be fixedly connected with driving shaft is provided with below profile of tooth clutch ring, slot dish is provided with the slot matched with profile of tooth clutch ring lower end gear shaping, solenoid is provided with above profile of tooth clutch ring.But its motor still needs to arrange two independently driving shaft and power transmission shafts, subsequent production more needs related fittings and installation procedure thus, while increasing cost load, is more the increase in taking of installation volume.
And for example patent publication No. is that the Chinese invention patent application of CN102677427A discloses a kind of washing machine driver, comprise motor, wash shaft, be sleeved on dehydration axle sleeve in described wash shaft and gear reduction, the rotor that described wash shaft is coaxially installed on described motor is inner and affixed with the output gear of described gear reduction, and the input gear axle of described gear reduction is plugged in the axis hole of described rotor.Due to the input gear axle of gear reduction is inserted in the axis hole of rotor, make rotor as the tooth rest of gear reduction, effectively gear reduction and motor are become one, thus reduce the axial dimension of washing machine driver, make the simple and compact for structure of this washing machine driver, take up room little.Although this structure decreases axial dimension, or because its operation principle is directly as input gear axle using rotor, be only suitable for applying and the gear with small teeth difference mechanism without sun gear, range of application is restricted, and the defect such as the transmission efficiency of few poor gear mechanism existence itself is low, therefore the proposition of this patent still can not meet the widespread demand in reality.
Under this technical background, along with the applicant gropes to seek taking up room and manufacturing cost of a kind of both effective low driving mechanism for washing machine in the constantly research of this area, and motor applied widely and speed-reducing clutch assembly are used as the driving mechanism of washing machine.
Summary of the invention
The object of this invention is to provide a kind of motor and speed-reducing clutch assembly, effectively drastically reduce the area the taking of installation volume, reduce manufacturing cost, and applied widely.
Because the planet gear reducing mechanism comprising sun gear etc. is used widely at washing machine transmission field, as by internal gear, sun gear, planetary gear, the NGW type planet circular system etc. of the parts compositions such as planet carrier, it is high that it has transmission effect, drive connection is stablized, low cost and other advantages, but it is as the deceleration output block of motor, its mounting structure with motor is all always: motor is fixedly connected with output shaft, output shaft directly or by belt pulley indirectly by power transmission to the sun gear of gear reduction, although the multinomial parts for gear reduction itself carry out improving to reduce taking of its installation volume in prior art, but improve constantly along with demand, prior art all can not practical requirement for the improvement of gear reduction in installation volume and thinking, we must seek new breakthrough or new approaches on gear reduction mounting structure.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of motor and speed-reducing clutch assembly, comprise motor and speed-reducing clutch, described speed-reducing clutch comprises gear reduction, clutch and holder housing, described gear reduction carries out deceleration to described motor and exports, described clutch is connected optionally to realize described gear reduction and carries out to described motor the function exported of slowing down with described gear reduction, and then realize described motor in the conversion exported between non-deceleration output of slowing down, described motor and speed-reducing clutch assembly realize self parts by described holder housing and/or it is connected with the installation of other parts outside, wherein: the sun gear of described gear reduction is directly fixedly installed on the rotor of described motor.
The core technology point of motor of the present invention and speed-reducing clutch assembly is: propose the sun gear of gear reduction to be directly fixedly installed on the rotor of motor first, namely realize directly transmitting power by the rotor of motor to sun gear, eliminate in prior art and transmitted by intermediate members such as " output shafts or output shaft and belt pulley ", farthest shorten power transfer path, the installation volume that the mounting structure that the present invention proposes greatly reduces motor and speed-reducing clutch assembly takies, again owing to eliminating multiple intermediate power transferring element, thus manufacturing cost is reduced, simultaneously because power transfer path is extremely short, and then improve the transmission efficiency of motor and speed-reducing clutch assembly.
Described sun gear can directly on the rotor of described motor one machine-shaping; Also directly can be fixed on the rotor of described motor by fixed connecting piece, fixed connecting piece, can be the connector of screw, rivet or other routine.
Preferably, described gear reduction comprises sun gear, internal gear, the planetary gear, planet carrier, the output shaft that engage between described sun gear with described internal gear and with described sun gear, internal gear simultaneously, described planetary gear can be arranged on described planet carrier by relatively described planet carrier by planet axis rotatably, and described planet carrier is fixedly connected with described output shaft.
Preferably, described clutch is electromagnetic clutch mechanism, when described decelerating through motor exports, the clutch gear ring of described electromagnetic clutch mechanism is subject to electromagnetic force or reset force makes described gear reduction be in non-locked state, described gear reduction carries out deceleration to described motor and exports, when the non-deceleration of described motor exports, described clutch gear ring is subject to reset force or electromagnetic force makes the sealed rigid unitary that becomes of described gear reduction no longer carry out deceleration output to described motor, and then realizes described motor in the conversion exported between non-deceleration output of slowing down.
The basic functional principle of electromagnetic clutch mechanism of the present invention is: the clutch gear ring of electromagnetic clutch mechanism makes gear reduction of the present invention change between " realizing exporting the deceleration of motor " and " the sealed rigid unitary that becomes no longer carries out deceleration output to motor " according to the combination of electromagnetic force and reset force, thus realizes motor in the conversion exported between non-deceleration output of slowing down.
The combination mode of electromagnetic force of the present invention and reset force can be selected according to real needs.
The invention allows for the electromagnetic clutch mechanism of the first preferred motor and speed-reducing clutch assembly, described speed-reducing clutch comprises gear reduction, electromagnetic clutch mechanism, holder housing, and the technical scheme of described electromagnetic clutch mechanism is:
Described electromagnetic clutch mechanism comprises electromagnetic coil assembly, clutch gear ring, meshing part, lower component, described electromagnetic coil assembly is positioned at described clutch gear ring side, engagement internal tooth is provided with inside described clutch gear ring, engagement external tooth is provided with outside described meshing part, described clutch gear ring is connected on outside described meshing part by described engagement internal tooth with the described engaging sleeve engaging external tooth, and described clutch gear ring can move up and down along described meshing part, the internal gear of described gear reduction is as described meshing part, the planet carrier of described gear reduction is as described lower component, can move up and down along described internal gear under the reset force effect that the electromagnetic force that described clutch gear ring produces at described electromagnetic coil assembly and other parts produce and to be separated with described planet carrier or secure fit carries out to described motor the function exported of slowing down optionally to realize described gear reduction, and then realize described motor in the conversion exported between non-deceleration output of slowing down, the clutch gear ring of described electromagnetic clutch mechanism can move up and down along internal gear and be separated or secure fit with planet carrier, avoid existing electromagnetic clutch mechanism and need lower component be set separately, and save relevant manufacturing procedure, thus reduce manufacturing cost, greatly reduce taking of the installation volume of electromagnetic clutch mechanism especially simultaneously.
Natch, electromagnetic clutch mechanism of the present invention also can adopt any one electromagnetic clutch mechanism in prior art, as adopted the applicant's electromagnetic clutch mechanism disclosed in first patent 201010242614.2.
Disclosed in prior art, electromagnetic clutch mechanism is: when gear reduction carries out deceleration output to motor, its solenoid is "on" position, and when gear reduction is sealed become rigid unitary no longer to motor carry out deceleration export time, its solenoid is off-position, and due in actual applications, " gear reduction carries out slowing down to motor and exports " is as conventional duty, namely require that solenoid need be in "on" position for a long time, therefore the energy consumption of the electromagnetic clutch mechanism of prior art is always higher, also be affected the service life of solenoid simultaneously, in this context, the invention allows for the electromagnetic clutch mechanism of the preferred motor of the second and speed-reducing clutch assembly, described speed-reducing clutch comprises gear reduction, electromagnetic clutch mechanism, holder housing, the technical scheme of described electromagnetic clutch mechanism is:
When solenoid power-off, the clutch gear ring of described gear reduction is subject to reset force and makes described gear reduction be in non-locked state, described gear reduction carries out deceleration to described motor and exports, when the solenoid is activated, described clutch gear ring is subject to electromagnetic force, and overcome reset force make described gear reduction sealed become rigid unitary no longer to described motor carry out deceleration export, and then realize described motor in the conversion exported between non-deceleration output of slowing down, achieve simply under the duty of routine, the solenoid of electromagnetic clutch mechanism is off-position, greatly reduce the energy consumption of electromagnetic clutch mechanism, improve the service life of electromagnetic clutch mechanism simultaneously.
Natch, the electromagnetic clutch mechanism of the first preferred motor described and speed-reducing clutch assembly and the electromagnetic clutch mechanism of the preferred motor of described the second and speed-reducing clutch assembly can also be incorporated into enforcement use, and technique effect is better.The invention allows for the multinomial optimal technical scheme of the electromagnetic clutch mechanism of motor and speed-reducing clutch assembly:
Preferably, when described gear reduction carries out deceleration output to described motor, described clutch gear ring is in the state of being fixed.Preferably, when described gear reduction carries out deceleration output to described motor, described clutch gear ring is in transitory state.When described clutch gear ring be in be fixed state time, make described gear reduction be single power deceleration output state, deceleration output block is the output shaft of described gear reduction; When described clutch gear ring is in transitory state, make described gear reduction be composite power deceleration output state, deceleration output block can be output shaft and the output sleeve of described gear reduction.
In order to ensure the stability of the secure fit between clutch gear ring of the present invention and planet carrier, preferably, described clutch gear ring lower end is provided with at least 2 projections, described planet carrier be provided with can with the slot of described projection secure fit; More preferably, described clutch gear ring lower end is provided with 4-6 projection.
In order to realize described clutch gear ring when being in released state with planet carrier, guarantee that clutch gear ring is in the state of being fixed, to realize the single power deceleration way of output of deceleration output block, preferably, also comprise component, described holder housing is as described upper component, can along described internal gear movement select one and optionally to realize described gear reduction, the function exported of slowing down is carried out to described motor with described holder housing and described planet carrier secure fit up and down under the electromagnetic force that described clutch gear ring produces at described electromagnetic coil assembly and the reset force effect that other parts produce, and then realize described motor in the conversion exported between non-deceleration output of slowing down.
In order to ensure the stability of the secure fit between clutch gear ring of the present invention and holder housing, preferably, described clutch gear ring upper end is provided with at least 2 double wedges, described holder housing or described electromagnetic coil assembly be provided with can with the groove of described double wedge secure fit; More be preferably, described clutch gear ring upper end is provided with 4-12 double wedge.It is of the present invention for can holder housing be arranged on the groove of double wedge secure fit, also can be set directly on the associated components of electromagnetic coil assembly, specifically can arrange according to actual installation, coordinate as long as realize direct or indirect being fixed with holder housing of clutch gear ring.
Preferably, described electromagnetic coil assembly comprises solenoid, coil holder, coil retainer, described solenoid winding is on described coil holder, described coil holder is positioned at described coil retainer, described coil retainer is fixed on described holder housing, forms closed magnetic circuit between described coil retainer, described clutch gear ring and/or described holder housing.
The coil retainer of the present invention fixed form be fixed on described holder housing can be riveted stamping connection, and described coil holder can be integrated moulding.In order to locate the lead-out wire of solenoid, prevent lead-out wire from described holder housing, carrying out displacement and sustain damage, more preferably, the lead-out wire of described solenoid is socketed with sleeve pipe, by the technique that is fixedly connected with between coil retainer with described holder housing, the sleeve pipe be socketed on the lead-out wire of solenoid is positioned in or beyond described holder housing, thus avoids the lead-out wire of solenoid to sustain damage.Further preferably, in order to avoid in the winding process of solenoid on coil holder, cause solenoid to sustain damage owing to there is constantly friction between the two, solenoid also can be arranged insulating tape, to avoid the generation of this situation.
When holder housing of the present invention be permeability magnetic material make time, described coil retainer, between described clutch gear ring and described holder housing, form closed magnetic circuit, and then when described solenoid energising, electromagnetic force produced to described clutch gear ring.
When the manufacturing cost in order to reduce described holder housing, described holder housing is adopted aluminum casting, be non-magnet material when making, between described coil retainer and described clutch gear ring, form closed magnetic circuit, and then when described solenoid energising, electromagnetic force is produced to described clutch gear ring; Concrete technical scheme can adopt: described coil retainer comprises the coil retainer upper cover and coil retainer lower cover that are connected to one, described coil retainer upper cover, forms closed magnetic circuit between described coil retainer lower cover and clutch gear ring.
Preferably, on described clutch gear ring, fixed cover is connected to spring, and described spring produces reset force to described clutch gear ring.Natch, other parts also can be adopted to produce reset force, and the gravity of described clutch gear ring itself also can be described as reset force.
Preferably, when solenoid power-off, described clutch gear ring is subject to reset force and makes described clutch gear ring and described planet carrier be in released state, described gear reduction carries out deceleration to described motor and exports, when the solenoid is activated, described clutch gear ring is subject to electromagnetic force, and overcome reset force and move down and described planet carrier secure fit along described internal gear, the sealed rigid unitary that becomes of described gear reduction no longer carries out deceleration output to described motor, and then realizes described motor in the conversion exported between non-deceleration output of slowing down.
Preferably, when solenoid power-off, described clutch gear ring be subject to reset force make described clutch gear ring and described planet carrier be in released state and with described holder housing secure fit, described gear reduction carries out deceleration to described motor and exports, when the solenoid is activated, described clutch gear ring is subject to electromagnetic force, and overcome reset force and move down and planet carrier secure fit along internal gear, the sealed rigid unitary that becomes of described gear reduction no longer carries out deceleration output to described motor, and then realize described motor in the conversion exported between non-deceleration output of slowing down.
When the first preferred electromagnetic clutch mechanism that the present invention is above-mentioned is applied to washing machine, can by the following technical solutions:
Comprise dehydration part, washing components, described dehydration part is fixedly connected with described internal gear by the output sleeve of described gear reduction, described washing components is fixedly connected with the output shaft of described gear reduction, during washing operating mode, described clutch gear ring and described planet carrier are in released state, described gear reduction carries out deceleration to described motor and exports, during dehydration condition, described clutch gear ring and described planet carrier secure fit, the sealed rigid unitary that becomes of described gear reduction no longer carries out deceleration output to described motor, described output sleeve and the common High Rotation Speed of output shaft, and then realize the conversion of washing machine between washing operating mode and dehydration condition.
When the preferred electromagnetic clutch mechanism of the second that the present invention is above-mentioned is applied to washing machine, can by the following technical solutions:
Comprise dehydration part, washing components, described dehydration part is fixedly connected with the internal gear of described gear reduction by the output sleeve of described gear reduction, described washing components is fixedly connected with the output shaft of described gear reduction, described electromagnetic clutch mechanism is connected optionally to realize described gear reduction and carries out to described motor the function exported of slowing down with described gear reduction, during washing operating mode, solenoid power-off, described clutch gear ring is subject to reset force and makes gear reduction be in non-locked state, described gear reduction carries out deceleration to described motor and exports, during dehydration condition, solenoid is energized, described clutch gear ring is subject to electromagnetic force, and overcome reset force make described gear reduction sealed become rigid unitary no longer to described motor carry out deceleration export, described output sleeve and the common High Rotation Speed of described output shaft, and then realize the conversion of washing machine between washing operating mode and dehydration condition.
Preferably, when washing operating mode, described clutch gear ring is in the state of being fixed, and described output shaft is as deceleration output block, and described gear reduction is single power deceleration output state.Preferably, when washing operating mode, described clutch gear ring is in transitory state, and described output sleeve and described output shaft are simultaneously as deceleration output block, and described gear reduction is composite power deceleration output state.
Export to realize composite power of the present invention, during as being applied to washing machine field, preferably, described gear reduction also comprises output sleeve, and described output sleeve is sleeved on described output shaft, and is fixedly connected with described internal gear.
Further, when demand is composite power deceleration output, when described clutch gear ring is socketed on the internal gear of gear reduction movably, described internal gear can be set to transitory state, thus the output shaft of gear reduction and output sleeve are simultaneously as deceleration output block, namely realize composite power and slow down and export.
Natch, described clutch also can adopt mechanical clutch mechanism, described mechanical clutch mechanism comprises the brake apparatus and arrangement of clutch that are controlled by external impetus, brake apparatus and arrangement of clutch realize the deceleration output function of gear reduction to motor by cooperation is selective, and then realize motor in output and the non-conversion between exporting of slowing down of slowing down.
When above-described motor and speed-reducing clutch component application are in washing machine field, namely obtain a kind of washing machine motor and speed-reducing clutch assembly, its technical scheme is:
A kind of washing machine motor and speed-reducing clutch assembly, comprise motor and speed-reducing clutch, described speed-reducing clutch comprises gear reduction, clutch and holder housing, described gear reduction carries out deceleration to described motor and exports, described gear reduction comprises output sleeve and output shaft, described output sleeve is fixedly connected with washing components with the dehydration part of washing machine respectively with described output shaft, described clutch is connected optionally to realize described gear reduction and carries out to described motor the function exported of slowing down with described gear reduction, and then realize the conversion of washing machine between washing operating mode and dehydration condition, described motor and speed-reducing clutch assembly realize self parts by described holder housing and/or it is connected with the installation of other parts of washing machine, wherein: the sun gear of described gear reduction is directly fixedly installed on the rotor of described motor.
The basic functional principle of washing machine motor of the present invention and speed-reducing clutch assembly is: when washing machine is when washing operating mode, described clutch makes gear reduction be in normal operating conditions, be deceleration output state, realize the washing function of washing machine, when washing machine is at dehydration condition, described clutch makes the sealed rigid unitary that becomes of gear reduction no longer carry out deceleration output to motor, output sleeve, output shaft and the common High Rotation Speed of motor three, because output sleeve is fixedly connected with the dehydration part of washing machine, thus realize the dehydrating function of washing machine.
The washing components of washing machine of the present invention can be impeller, agitator, cylinder, or other possesses the parts of washing function; The dehydration part of washing machine of the present invention refers to for being filled with water and the tubbiness parts of accommodating laundry, as interior bucket.
Preferably, described gear reduction comprises sun gear, internal gear, between described sun gear and described internal gear and with described sun gear, the planetary gear that internal gear engages simultaneously, planet carrier, output shaft, output sleeve, described planetary gear can be arranged on described planet carrier by relatively described planet carrier by planet axis rotatably, described planet carrier is fixedly connected with described output shaft one end, the described output shaft other end is fixedly connected with described washing components, described output sleeve is sleeved on described output shaft, its one end is fixedly connected with described internal gear, the other end is fixedly connected with described dehydration part.
Preferably, described clutch is electromagnetic clutch mechanism, during washing operating mode, the clutch gear ring of described electromagnetic clutch mechanism is subject to electromagnetic force or reset force makes described gear reduction be in non-locked state, described gear reduction carries out deceleration to described motor and exports, during dehydration condition, described clutch gear ring is subject to reset force or electromagnetic force makes the sealed rigid unitary that becomes of described gear reduction no longer carry out deceleration output to described motor, described output sleeve and the common High Rotation Speed of described output shaft, and then realize the conversion of washing machine between washing operating mode and dehydration condition.
Preferably, described electromagnetic clutch mechanism comprises electromagnetic coil assembly, clutch gear ring, meshing part, lower component, described electromagnetic coil assembly is positioned at described clutch gear ring side, engagement internal tooth is provided with inside described clutch gear ring, engagement external tooth is provided with outside described meshing part, described clutch gear ring is connected on outside described meshing part by described engagement internal tooth with the described engaging sleeve engaging external tooth, and described clutch gear ring can move up and down along described meshing part, the internal gear of described gear reduction is as described meshing part, the planet carrier of described gear reduction is as described lower component, can move up and down along described internal gear under the reset force effect that the electromagnetic force that described clutch gear ring produces at described electromagnetic coil assembly and other parts produce and to be separated with described planet carrier or secure fit carries out to described motor the function exported of slowing down optionally to realize described gear reduction, and then realize the conversion of washing machine between washing operating mode and dehydration condition.
Preferably, during washing operating mode, solenoid power-off, described clutch gear ring is subject to reset force and makes described gear reduction be in non-locked state, and described gear reduction carries out deceleration to described motor and exports; During dehydration condition, solenoid is energized, described clutch gear ring is subject to electromagnetic force, and overcome reset force make described gear reduction sealed become rigid unitary no longer to described motor carry out deceleration export, described output sleeve and the common High Rotation Speed of described output shaft, and then realize the conversion of washing machine between washing operating mode and dehydration condition.
Natch, described clutch also can adopt mechanical clutch mechanism, described mechanical clutch mechanism comprises the brake apparatus and arrangement of clutch that are controlled by external impetus, brake apparatus and arrangement of clutch realize the deceleration output function of gear reduction to motor by cooperation is selective, and then realize the conversion of washing machine between washing operating mode and dehydration condition.
Preferably, described gear reduction exports the deceleration of described motor and refers to that described gear reduction finally carries out deceleration with described output shaft/and described output sleeve and exports.When washing machine is single-power washing demand, output sleeve is in the state of being fixed, and only output shaft is as the deceleration output block of gear reduction; When washing machine is composite power washing demand, output sleeve is in transitory state, and output sleeve and output shaft, simultaneously as the deceleration output block of gear reduction, realize the composite power washing of washing machine.
On technique scheme basis, the present invention also comprises following technological selection scheme:
In order to improve the mounting structure compactness of gear reduction, reduce taking of its installation volume, preferably, described sun gear is provided with groove, the output shaft of described gear reduction also can be arranged in described groove coaxially with the relative rotation, and extends out from described groove.
In order to better realize the axial load-bearing of the output shaft to gear reduction, preferably, between described bottom portion of groove and described output shaft end, be provided with steel ball.Natch, the usual manner that other also can be adopted to belong to those skilled in the art realizes the load-bearing to described output shaft.
Motor of the present invention comprises stators and rotators, can be inner rotor motor, also can be external rotor electric machine, preferably, because external rotor electric machine has certain inner diameter volume, on the technique effect taken reducing installation volume, the present invention is applied to can be more outstanding on external rotor electric machine.
In order to simplify the assembly process of permanent magnetic steel, simultaneously in order to avoid the generation obscission of permanent magnetic steel, preferably, described motor comprises stators and rotators, described rotor is positioned at outside described stator, described rotor comprises rotor case, yoke and some permanent magnetic steels, described some permanent magnetic steels are fixedly installed on described rotor case sidewall by described yoke uniform intervals, be fixedly installed on described rotor case lateral wall described permanent magnetic steel uniform intervals, described yoke is positioned at described permanent magnetic steel outside and is fixedly connected with described rotor case, described stator is fixedly connected with described holder housing.
Be fixedly installed the epitrochanterian of motor for the ease of sun gear, preferably, described sun gear outer upper is provided with gear, and its underpart is fixedly connected with as the rotor of connecting portion with described motor; The described mode that is fixedly connected with can be that in prior art, any one is fixedly connected with mode, more preferably, can be fixedly connected with or rivet is fixedly connected with for screw.
When clutch is electromagnetic clutch mechanism, in order to the installation reducing electromagnetic clutch mechanism takies volume, improve the compact conformation degree of electromagnetic clutch mechanism, preferably, described internal gear comprises the inner gear portion and internal gear maintainance set that are connected to one, described internal gear maintainance set is positioned at the outside of described inner gear portion, described internal gear maintainance set is simultaneously as the meshing part of described electromagnetic clutch mechanism, its outer upper is provided with the engagement external tooth that can engage with the clutch gear ring of described electromagnetic clutch mechanism, wherein end surface is provided with the elongated hole that the clutch gear ring of described electromagnetic clutch mechanism can be allowed to run through.
When described gear reduction comprises output sleeve, described internal gear maintainance set can be fixedly connected with described output sleeve.
Preferably, described holder housing comprises the upper holder housing and lower holder housing that fixedly mount and be integrated, described gear reduction and described clutch are positioned at the space of described upper holder housing and described lower holder housing formation and the output shaft of described gear reduction extends this space, the stator retainer that described lower holder housing becomes described motor is fixedly connected with the stator of described motor, and described sun gear to be positioned at inside described lower holder housing and to be installed with described lower holder housing by clutch shaft bearing and is connected.Preferably, described lower holder housing side is also provided with one or more material reducing windows, for reducing material cost, simultaneously also can according to strength demand, holder housing and described lower holder housing are arranged on described reinforcement or the strengthening groove of various shape, believe that these routines belonging to those skilled in the art are selected, this is no longer going to repeat them.
For the associated components of motor of the present invention, as stator, rotor etc., the associated components of gear reduction, if the mounting structure of internal gear, planet carrier, planetary gear are at the mounting structure etc. on planet carrier, the associated components of clutch, as clutch gear ring etc. preferred structure all can see the applicant at first patent application 201210084877.4 and other Patents, carry out word no longer one by one at this and repeat.
Simultaneously, for the present invention for the dependency structure each parts not carrying out explanatory note, as reinforcing rib structure, the structures etc. such as connection bearing, spacing, load-bearing, waterproof sealing are installed believe that the routine being those skilled in the art is selected, do not possess any novelty and creativeness after being combined with the present invention, state no longer one by one at this.
Accompanying drawing explanation
Accompanying drawing 1 is the perspective view of a kind of embodiment of motor of the present invention and speed-reducing clutch assembly;
Accompanying drawing 2 is the sectional view in A-A direction in Fig. 1;
Accompanying drawing 3 is the detonation configuration figure of Fig. 1;
Accompanying drawing 4 is A place structure enlarged diagram in accompanying drawing 2;
Accompanying drawing 5 is the perspective view of a kind of embodiment of electromagnetic clutch mechanism core component of the present invention;
Accompanying drawing 6 is the sectional view in A-A direction in accompanying drawing 5;
Accompanying drawing 7 is the detonation configuration figure of accompanying drawing 5;
Accompanying drawing 8 is the stereo decomposing structural representation of a kind of embodiment of rotor of the present invention;
Accompanying drawing 9 is the structural representation applying a kind of washing machine of the present invention;
Accompanying drawing 10 is the structural representation applying another kind of washing machine of the present invention;
Accompanying drawing 11 is the structural representation applying another kind of washing machine more of the present invention;
Reference numeral: dehydration part 1, washing components 2, motor and speed-reducing clutch assembly 3, motor 100, rotor 110, rotor case 111, yoke 112, permanent magnetic steel 113, stator 120, gear reduction 200, sun gear 210, gear 210a, connecting portion 210b, groove 211, output shaft 220, internal gear 230, inner gear portion 230-1, internal gear maintainance set 230-2, planetary gear 240, planet carrier 250, slot 250-1, output sleeve 260, clutch 300, electromagnetic coil assembly 310, solenoid 311, coil holder 312, coil retainer 313, coil retainer upper cover 313b, coil retainer lower cover 313a, clutch gear ring 320, engagement internal tooth 320-1, projection 320-2, double wedge 320-3, meshing part 330, engagement external tooth 330-1, elongated hole 330-2, lower component 340, upper component 350, spring 360, holder housing 400, upper holder housing 410, lower holder housing 420, steel ball 500, clutch shaft bearing 600, second bearing 700.
Detailed description of the invention
It is pointed out that the upper and lower noun of locality that waits related to is arranged in figure with parts in Fig. 1 to Figure 11 and parts position each other defines herein, just in order to state the clear and convenient of technical scheme.Should be appreciated that the noun of locality that this patent adopts should not limit the scope of present patent application request protection.
See Fig. 1, Fig. 2, motor shown in Fig. 3 and Fig. 4 and speed-reducing clutch assembly, comprise motor 100 and speed-reducing clutch, described speed-reducing clutch comprises gear reduction 200, clutch 300 and holder housing 400, described gear reduction 200 carries out deceleration to described motor 100 and exports, described clutch 300 is connected optionally to realize described gear reduction 200 and carries out to described motor 100 function exported of slowing down with described gear reduction 200, and then realize described motor 100 in the conversion exported between non-deceleration output of slowing down, described motor and speed-reducing clutch assembly 3 realize self parts by described holder housing 400 and it is connected with the installation of other parts outside, wherein:
Described gear reduction 200 comprises sun gear 210, internal gear 230, between described sun gear 210 and described internal gear 230 and with described sun gear 210, the planetary gear 240 that internal gear 230 engages simultaneously, planet carrier 250, output shaft 220, output sleeve 260, described planetary gear 240 can be arranged on described planet carrier 250 by relatively described planet carrier 250 by planet axis (scheming unmarked) rotatably, described planet carrier 250 is fixedly connected with described output shaft 220, described output sleeve 260 is sleeved on described output shaft 220, and be fixedly connected with described internal gear 230,
Described sun gear 210 outer upper is provided with gear 210a, its underpart is fixedly connected with by screw (scheming unmarked) with the rotor 110 of described motor as connecting portion 210b, realizes described sun gear 210 being directly fixedly installed on the rotor 110 of described motor; Described sun gear 210 is provided with groove 211, and described output shaft 220 also can be arranged in described groove 211 coaxially with the relative rotation, and extends out from described groove 211; Steel ball 500 is provided with bottom described groove 211 and between described output shaft 220 end;
Described holder housing 400 comprises and fixedly mounts by screw the upper holder housing 410 and lower holder housing 420 that are integrated, described gear reduction 200 and described clutch 300 are positioned at the space of described upper holder housing 410 and described lower holder housing 420 formation and described output shaft 220 extends this space, the stator 120 of stator retainer and described motor that described lower holder housing 420 becomes described motor 100 is fixedly connected with, described sun gear 210 to be positioned at inside described lower holder housing 420 and to be installed with described lower holder housing 420 by clutch shaft bearing 600 and is connected, described output sleeve 260 is installed with described upper holder housing 410 by the second bearing 700 and is connected,
Described motor 100 comprises stator 120 and rotor 110, described rotor 110 is positioned at outside described stator 120, in conjunction with rotor 110 shown in Figure 8, comprise rotor case 111, yoke 112 and some permanent magnetic steels 113, described some permanent magnetic steels 113 are fixedly installed on described rotor case 111 sidewall by described yoke 112 uniform intervals, be fixedly installed on described rotor case 111 lateral wall described permanent magnetic steel 113 uniform intervals, described yoke 112 is positioned at described permanent magnetic steel 113 outside and is fixedly connected with described rotor case 111, described stator 120 is fixedly connected with described holder housing 400,
See Fig. 5, shown in Fig. 6 and Fig. 7, described clutch 300 is electromagnetic clutch mechanism, comprise electromagnetic coil assembly 310, clutch gear ring 320, meshing part 330, lower component 340, upper component 350, described electromagnetic coil assembly 310 is positioned at described clutch gear ring 320 side, engagement internal tooth 320-1 is provided with inside described clutch gear ring 320, engagement external tooth 330-1 is provided with outside described meshing part 330, described clutch gear ring 320 is connected on outside described meshing part 330 by described engagement internal tooth 320-1 with the described engaging sleeve engaging external tooth 330-1, and described clutch gear ring 320 can move up and down along described meshing part 330, the internal gear 230 of described gear reduction is as described meshing part 330, the planet carrier 250 of described gear reduction is as described lower component 340, described upper holder housing 410 is as described upper component 350,
Described electromagnetic coil assembly 310 comprises solenoid 311, coil holder 312, coil retainer 313, the winding of described solenoid 311 is on described coil holder 312, described coil holder 312 is positioned at described coil retainer 313, described coil retainer 313 is fixed on described upper holder housing 410, described upper holder housing 410 is aluminum casting, described coil retainer 313 comprises the coil retainer upper cover 313b and coil retainer lower cover 313a that are connected to one, described coil retainer upper cover 313b, closed magnetic circuit is formed between described coil retainer lower cover 313a and clutch gear ring 320, described clutch gear ring 320 lower end is provided with 4 projection 320-2, described planet carrier 250 be provided with can with 4 slot 250-1 of described projection 320-2 secure fit, on 4 projection 320-2 of described clutch gear ring 320, fixed cover is connected to spring 360 respectively, and described spring 360 produces reset force to described clutch gear ring 320, described clutch gear ring 320 upper end is provided with 8 double wedge 320-3, described coil retainer upper cover 313b be provided with can with the groove (scheming not shown) of described double wedge 320-3 secure fit,
When solenoid power-off, described clutch gear ring 320 is subject to the upwards reset force that spring 360 produces, and overcome self gravitation make described clutch gear ring 320 and described planet carrier 250 be in released state and with described upper holder housing 410 secure fit, clutch gear ring 320 is in the state of being fixed, described gear reduction 200 carries out deceleration to described motor 100 and exports, described output shaft 220 is as deceleration output block, when the solenoid is activated, described clutch gear ring 320 is subject to downward electromagnetic force, and the upwards reset force overcoming spring 360 generation moves down and planet carrier 250 secure fit along internal gear 230, the sealed rigid unitary that becomes of described gear reduction 200 no longer carries out deceleration output to described motor 100, and then realize described motor 100 in the conversion exported between non-deceleration output of slowing down,
Described internal gear 230 comprises the inner gear portion 230-1 and internal gear maintainance set 230-2 that are connected to one, described internal gear maintainance set 230-2 is positioned at the outside of described inner gear portion 230-1, described internal gear maintainance set 230-2 is simultaneously as described meshing part 330, its outer upper is provided with the engagement external tooth 330-1 that can engage with described clutch gear ring 320, and wherein end surface is provided with the elongated hole 330-2 that described clutch gear ring 320 can be allowed to run through;
Shown in Fig. 9, Figure 10 and Figure 11, after above-mentioned electromagnetic clutch mechanism is applied to washing machine, washing machine comprises dehydration part 2, washing components 1, described dehydration part 2 is fixedly connected with described internal gear 230 by described output sleeve 260, described washing components 1 is fixedly connected with described output shaft 220, described electromagnetic clutch mechanism is connected optionally to realize described gear reduction 200 and carries out to described motor 100 function exported of slowing down with described gear reduction 200, and then realizes the conversion of washing machine between washing operating mode and dehydration condition.
See Fig. 1-Fig. 4 and Fig. 9, shown in Figure 10 and Figure 11, motor shown in above-mentioned and speed-reducing clutch component application become washing machine motor and speed-reducing clutch assembly during in washing machine field, described output sleeve 260 is fixedly connected with washing components 1 with the dehydration part 2 of washing machine respectively with described output shaft 220, described clutch 300 is connected optionally to realize described gear reduction 200 and carries out to described motor 100 function exported of slowing down with described gear reduction 200, and then realize the conversion of washing machine between washing operating mode and dehydration condition, described motor and speed-reducing clutch assembly 3 realize self parts by described holder housing 400 and it is connected with the installation of other parts of washing machine, the concrete technical scheme of all the other dependency structures describes all with above-mentioned motor and speed-reducing clutch assembly text description in an embodiment.
Course of work when this patent embodiment is applied to washing machine field is: during washing operating mode, solenoid power-off, described clutch gear ring 320 receives the upwards reset force that spring 360 produces, and overcome self gravitation make described clutch gear ring 320 and described planet carrier 250 be in released state and with described upper holder housing 410 secure fit, clutch gear ring 320 is in the state of being fixed, described output shaft 220 slows down and exports, during dehydration condition, solenoid is energized, described clutch gear ring 320 is subject to downward electromagnetic force, and the upwards reset force overcoming spring 360 generation makes described clutch gear ring 320 and described planet carrier 250 secure fit, the sealed rigid unitary that becomes of described gear reduction 200 no longer carries out deceleration output to described motor 100, described output sleeve 260 High Rotation Speed common with described output shaft 220, and then realize the conversion of washing machine between washing operating mode and dehydration condition.
When in the above embodiments of the present invention in solenoid power-off time, described clutch gear ring 320 is in released state with described planet carrier 250, and when being in transitory state, described output shaft 220 and output sleeve 260 become deceleration output block simultaneously, namely form composite power deceleration to export, when being applied to washing machine field, namely washing operating mode is composite power washing mode.
Also it needs to be noted, for display in accompanying drawing of the present invention but the associated components structure of not carrying out explanatory note is all routine techniques means of those skilled in the art, as bearing pad, load-bearing jump ring, connection bearing and the large parts such as water seal and little water seal, all do not possess novelty and creativeness, therefore repeat no longer one by one.
Above the washing machine of motor provided by the present invention and speed-reducing clutch assembly and application thereof is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (11)

1. a motor and speed-reducing clutch assembly, comprise motor (100) and speed-reducing clutch, described speed-reducing clutch comprises gear reduction (200), clutch (300) and holder housing (400), described gear reduction (200) carries out deceleration to described motor (100) and exports, described clutch (300) is connected optionally to realize described gear reduction (200) and carries out to described motor (100) function exported of slowing down with described gear reduction (200), and then realize described motor (100) in the conversion exported between non-deceleration output of slowing down, described motor and speed-reducing clutch assembly (3) realize self parts by described holder housing (400) and/or it is connected with the installation of other parts outside, it is characterized in that: the sun gear (210) of described gear reduction is directly fixedly installed on the rotor (110) of described motor,
Described sun gear (210) is provided with groove (211), the output shaft (220) of described gear reduction also can be arranged in described groove (211) coaxially with the relative rotation, and extends out from described groove (211).
2. motor as claimed in claim 1 and speed-reducing clutch assembly, is characterized in that: be provided with steel ball (500) between described groove (211) bottom and described output shaft (220) end.
3. motor as claimed in claim 1 and speed-reducing clutch assembly, it is characterized in that: described motor (100) comprises stator (120) and rotor (110), described rotor (110) is positioned at described stator (120) outside, described rotor (110) comprises rotor case (111), yoke (112) and some permanent magnetic steels (113), described some permanent magnetic steels (113) are fixedly installed on described rotor case (111) sidewall by described yoke (112) uniform intervals, be fixedly installed on described rotor case (111) lateral wall described permanent magnetic steel (113) uniform intervals, described yoke (112) is positioned at described permanent magnetic steel (113) outside and is fixedly connected with described rotor case (111), described stator (120) is fixedly connected with described holder housing (400).
4. motor as claimed in claim 1 and speed-reducing clutch assembly, it is characterized in that: described sun gear (210) outer upper is provided with gear (210a), its underpart is fixedly connected with the rotor (110) of described motor as connecting portion (210b).
5. motor as claimed in claim 1 and speed-reducing clutch assembly, it is characterized in that: described gear reduction (200) comprises sun gear (210), internal gear (230), to be positioned between described sun gear (210) and described internal gear (230) and with described sun gear (210), the planetary gear (240) that internal gear (230) engages simultaneously, planet carrier (250), output shaft (220), described planetary gear (240) can relatively described planet carrier (250) be arranged on described planet carrier (250) by planet axis rotatably, described planet carrier (250) is fixedly connected with described output shaft (220).
6. motor as claimed in claim 1 and speed-reducing clutch assembly, it is characterized in that: described clutch (300) is electromagnetic clutch mechanism, when described motor (100) slows down output, the clutch gear ring (320) of described electromagnetic clutch mechanism is subject to electromagnetic force or reset force makes described gear reduction (200) be in non-locked state, described gear reduction (200) carries out deceleration to described motor (100) and exports, when the non-deceleration of described motor (100) exports, described clutch gear ring (320) is subject to reset force or electromagnetic force makes the sealed rigid unitary that becomes of described gear reduction (200) no longer carry out deceleration output to described motor (100), and then realize described motor (100) in the conversion exported between non-deceleration output of slowing down.
7. motor as claimed in claim 6 and speed-reducing clutch assembly, it is characterized in that: described electromagnetic clutch mechanism comprises electromagnetic coil assembly (310), clutch gear ring (320), meshing part (330), lower component (340), described electromagnetic coil assembly (310) is positioned at described clutch gear ring (320) side, described clutch gear ring (320) inner side is provided with engagement internal tooth (320-1), described meshing part (330) outside is provided with engagement external tooth (330-1), described clutch gear ring (320) is connected on described meshing part (330) outside by described engagement internal tooth (320-1) and the described engaging sleeve engaging external tooth (330-1), and described clutch gear ring (320) can move up and down along described meshing part (330), the internal gear (230) of described gear reduction is as described meshing part (330), the planet carrier (250) of described gear reduction is as described lower component (340), can move up and down along described internal gear (230) under the reset force effect that the electromagnetic force that described clutch gear ring (320) produces at described electromagnetic coil assembly (310) and other parts produce and to be separated with described planet carrier (250) or secure fit carries out to described motor (100) function exported of slowing down optionally to realize described gear reduction (200), and then realize described motor (100) in the conversion exported between non-deceleration output of slowing down.
8. motor as claimed in claim 6 and speed-reducing clutch assembly, it is characterized in that: when solenoid power-off, described clutch gear ring (320) is subject to reset force and makes described gear reduction (200) be in non-locked state, described gear reduction (200) carries out deceleration to described motor (100) and exports, when the solenoid is activated, described clutch gear ring (320) is subject to electromagnetic force, and overcome reset force make described gear reduction (200) sealed become rigid unitary no longer to described motor (100) carry out deceleration export, and then realize described motor (100) in the conversion exported between non-deceleration output of slowing down.
9. motor as claimed in claim 5 and speed-reducing clutch assembly, it is characterized in that: described gear reduction (200) also comprises output sleeve (260), described output sleeve (260) is sleeved on described output shaft (220), and is fixedly connected with described internal gear (230).
10. motor as claimed in claim 5 and speed-reducing clutch assembly, it is characterized in that: described clutch (300) is electromagnetic clutch mechanism, described internal gear (230) comprises the inner gear portion (230-1) and internal gear maintainance set (230-2) that are connected to one, described internal gear maintainance set (230-2) is positioned at the outside of described inner gear portion (230-1), described internal gear maintainance set (230-2) is simultaneously as the meshing part (330) of described electromagnetic clutch mechanism, its outer upper is provided with the engagement external tooth (330-1) that can engage with the clutch gear ring (320) of described electromagnetic clutch mechanism, wherein end surface is provided with the elongated hole (330-2) that described clutch gear ring (320) can be allowed to run through.
11. motor as claimed in claim 1 and speed-reducing clutch assemblies, it is characterized in that: described holder housing (400) comprises the upper holder housing (410) and lower holder housing (420) that fixedly mount and be integrated, described gear reduction (200) and described clutch (300) are positioned at space that described upper holder housing (410) and described lower holder housing (420) form and the output shaft (220) of described gear reduction extends this space, the stator (120) of stator retainer and described motor that described lower holder housing (420) becomes described motor (100) is fixedly connected with, described sun gear (210) is positioned at described lower holder housing (420) inner side and is installed with described lower holder housing (420) by clutch shaft bearing (600) and is connected.
CN201210396213.1A 2012-10-17 2012-10-17 A kind of motor and speed-reducing clutch assembly Active CN102877267B (en)

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CN105297345B (en) * 2014-07-31 2019-05-31 青岛海尔洗衣机有限公司 A kind of speed-reducing clutch and washing machine
CN105316903B (en) * 2014-07-31 2019-07-23 青岛海尔洗衣机有限公司 A kind of speed-reducing clutch and washing machine

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CN102191663A (en) * 2010-03-08 2011-09-21 常州至精精机有限公司 Linkage clutch of washing machine
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CN102628208A (en) * 2012-03-27 2012-08-08 常州至精精机有限公司 Clutch mechanism for single drive system of washing machine
CN202881699U (en) * 2012-10-17 2013-04-17 常州至精精机有限公司 Motor and component of reduction clutch

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KR20030075076A (en) * 2002-03-15 2003-09-22 엘지전자 주식회사 Deceleration gear assembly in clutch system for washer
KR101620440B1 (en) * 2009-07-30 2016-05-12 엘지전자 주식회사 Clutch of washing machine

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Publication number Priority date Publication date Assignee Title
CN2558678Y (en) * 2002-06-20 2003-07-02 江门市机床厂有限公司 Clutch for rubbing type washer
CN102191663A (en) * 2010-03-08 2011-09-21 常州至精精机有限公司 Linkage clutch of washing machine
CN102206914A (en) * 2011-05-18 2011-10-05 常州至精精机有限公司 Transmission device of washing machine
CN102628208A (en) * 2012-03-27 2012-08-08 常州至精精机有限公司 Clutch mechanism for single drive system of washing machine
CN202881699U (en) * 2012-10-17 2013-04-17 常州至精精机有限公司 Motor and component of reduction clutch

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