CN203429442U - Driving shaft mounting structure of washing machine transmission device - Google Patents
Driving shaft mounting structure of washing machine transmission device Download PDFInfo
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- CN203429442U CN203429442U CN201320486803.3U CN201320486803U CN203429442U CN 203429442 U CN203429442 U CN 203429442U CN 201320486803 U CN201320486803 U CN 201320486803U CN 203429442 U CN203429442 U CN 203429442U
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- driving shaft
- mounting structure
- transmission apparatus
- power transmission
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Abstract
The utility model discloses a driving shaft mounting structure of a washing machine transmission device. The structure comprises a driving shaft, and a planetary gear train connected with the driving shaft, wherein the driving shaft comprises an input shaft and an output shaft; the planetary gear train comprises a sun gear, a planetary gear and an inter gear ring which are meshed in sequence; the sun gear is fixedly arranged on the input shaft; the planetary gear is installed on a planetary rack through a planetary shaft; the planetary rack is fixedly connected with the output shaft; the structure also comprises an input shaft sleeve and an output shaft sleeve; the input shaft sleeve is sleeved on the exterior of the input shaft and rotationally connected with the input shaft; the output shaft is sleeved on the exterior of the output shaft and rotationally connected with the output shaft; a bearing is installed between the planetary rack and the input shaft sleeve. The driving shaft mounting structure avoids the radial wobble of the output shaft at the operating state, and greatly optimizes the transmission operation performance of the washing machine transmission device.
Description
Technical field
The utility model belongs to washing machine and manufactures field, is specifically related to a kind of driving shaft mounting structure of power transmission apparatus of washing machines.
Background technology
Manufacturing technology development along with washing machine field, requirement for the mechanism of washing machine internal is also more and more higher, and therefore the structure of power transmission apparatus of washing machines is being guaranteed under the prerequisite of good function at present, is also more and more tending towards compact, simple, for this reason, the applicant has formerly applied for multinomial patent.Yet the structure of power transmission apparatus of washing machines still exists the problems such as processing technology requirement is high, processing difficulties, manufacturing cost, finally causes power transmission apparatus of washing machines when large-scale production, product percent of pass is higher.
Therefore, be still necessary power transmission apparatus of washing machines further to optimize, with optimization processing technology and mounting structure, make processing simple, easy for installation, and effectively reduce manufacturing cost.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of driving shaft mounting structure of power transmission apparatus of washing machines, while effectively having avoided output shaft in working order, radially wobbles, and has greatly optimized the transmission service behaviour of power transmission apparatus of washing machines.
To achieve these goals, a large amount of professional knowledges of the several years of product development based in driving mechanism for washing machine field and accumulation, simultaneously through great many of experiments, analysis with again creatively propose after each structural member of power transmission apparatus of washing machines, the applicant has drawn optimisation technique scheme, specifically please see below.
The technical scheme that the utility model provides is as follows:
A driving shaft mounting structure, comprise driving shaft, the planet circular system being connected with driving shaft, described driving shaft comprises power shaft and output shaft;
Described planet circular system comprises intermeshing sun gear, planetary gear, ring gear successively, and described sun gear is fixedly installed on described power shaft, and described planetary gear is arranged on planet carrier by planet axis, and described planet carrier is fixedly connected with described output shaft;
Described driving shaft mounting structure also comprises input axle sleeve and output sleeve, and described input axle sleeve is socketed in described power shaft outside and is rotationally connected with it, and described output sleeve is socketed in described output shaft outside and is rotationally connected with it;
Wherein, between described planet carrier and described input axle sleeve, bearing is installed.
Preferably, described planet carrier comprises planet support body and the planet cover plate that is respectively equipped with counterbore, described planetary gear is set in the counterbore of planet support body and planet cover plate by planet axis, described planet cover plate and planet support body are connected to one, and described planet support body is fixedly connected with described output shaft.
Preferably, between described planet cover plate and described input axle sleeve, bearing is installed.
Preferably, described bearing is oiliness bearing, and described oiliness bearing is arranged between described power shaft and described input axle sleeve simultaneously.
Preferably, described bearing and described input axle sleeve and the described ring gear part that is formed in one.
Preferably, between described oiliness bearing and described sun gear, be provided with friction shim, described friction shim is fixedly installed on described power shaft.
Preferably, described planet support body and described planet cover plate are connected to one by riveted joint.
Preferably, described planet carrier is provided with some material reducing grooves or material reducing hole.
Preferably, described planet carrier and described output shaft carry out radially secure fit by spline, and carry out axial location cooperation by jump ring.
Preferably, described jump ring is fixedly installed on described output shaft, and is positioned at described planet carrier lower end.
The utility model compared with prior art has the following advantages:
1, the utility model proposes the input axle sleeve of power transmission apparatus of washing machines and ring gear to adopt one-body molded first, particularly, can adopt integrated injection molding, and be fixedly mounted with ring gear maintainance set in ring gear outside, particularly, ring gear maintainance set adopts metal material to make, by ring gear maintainance set and output sleeve, be connected, thereby the utility model is effectively being guaranteed under the prerequisite of structural strength, greatly simplified the processing technology of ring gear and input axle sleeve, avoid the installation procedure between ring gear and input axle sleeve, effectively reduce manufacturing cost;
2, on above-mentioned first basis, the utility model further optimally, on power shaft cover cover plate lower surface, annular shim is installed, particularly, annular shim adopts metal material to make, and annular shim periphery is fixedly connected with ring gear maintainance set bottom, has effectively guaranteed rigidity intensity when power shaft is enclosed within transmitting torque, and simple in structure, easy for installation;
3, because existing typical NGW planet circular system comprises intermeshing sun gear successively, planetary gear, ring gear, sun gear is fixedly installed on described power shaft, planetary gear is arranged on planet carrier by planet axis, planet carrier is fixedly connected with output shaft, there is the more serious problem radially wobbling in the output shaft of this planet circular system always, cause it to be applied to after washing machine, the noise that washing machine can occur and play, the applicant is after great many of experiments and analysis, find that existing output shaft relies on and bearing is installed between itself and output sleeve is realized supporting and install, because the output of output shaft and the execution unit of washing machine are fixedly connected with, when execution unit is subject to load force rotation, the input of output shaft is fixedly connected with planet carrier, and there is not the strong point planet carrier lower end, therefore this can be to cause output shaft that the more serious essence reason radially wobbling occurs, therefore on this basis, the utility model is provided with bearing between planet carrier and input axle sleeve, by bearing, to being fixed in the planet carrier of output shaft input end, support, thereby radially wobble while effectively having avoided output shaft in working order, greatly optimized the transmission service behaviour of the utility model power transmission apparatus of washing machines.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the sectional structure chart of the power transmission apparatus of washing machines under the utility model specific embodiment;
Fig. 2 is the three-dimensional structure diagram of Fig. 1;
Fig. 3 is the stereo decomposing structural representation of Fig. 1;
Fig. 4 is the structural representation of ring gear and power shaft grip assembly in Fig. 3;
Fig. 5 is the structural representation of ring gear and ring gear maintainance set assembly in Fig. 3;
Fig. 6 is the structural representation of planet carrier in Fig. 3.
The specific embodiment
The utility model embodiment discloses a kind of driving shaft mounting structure of power transmission apparatus of washing machines, comprises driving shaft, the planet circular system being connected with driving shaft, and driving shaft comprises power shaft and output shaft; Planet circular system comprises intermeshing sun gear, planetary gear, ring gear successively, and sun gear is fixedly installed on power shaft, and planetary gear is arranged on planet carrier by planet axis, and planet carrier is fixedly connected with output shaft; Driving shaft mounting structure also comprises input axle sleeve and output sleeve, and input axle sleeve is socketed in power shaft outside and is rotationally connected with it, and output sleeve is socketed in output shaft outside and is rotationally connected with it; Wherein, between planet carrier and input axle sleeve, bearing is installed.
Because existing typical NGW planet circular system comprises intermeshing sun gear successively, planetary gear, ring gear, sun gear is fixedly installed on described power shaft, planetary gear is arranged on planet carrier by planet axis, planet carrier is fixedly connected with output shaft, there is the more serious problem radially wobbling in the output shaft of this planet circular system always, cause it to be applied to after washing machine, the noise that washing machine can occur and play, the applicant is after great many of experiments and analysis, find that existing output shaft relies on and bearing is installed between itself and output sleeve is realized supporting and install, because the output of output shaft and the execution unit of washing machine are fixedly connected with, when execution unit is subject to load force rotation, the input of output shaft is fixedly connected with planet carrier, and there is not the strong point planet carrier lower end, therefore this can be to cause output shaft that the more serious essence reason radially wobbling occurs, therefore on this basis, the utility model embodiment is provided with bearing between planet carrier and input axle sleeve, by bearing, to being fixed in the planet carrier of output shaft input end, support, thereby radially wobble while effectively having avoided output shaft in working order, greatly optimized the transmission service behaviour of the utility model embodiment power transmission apparatus of washing machines.
In order to make those skilled in the art person understand better the technical scheme in the utility model, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of power transmission apparatus of washing machines, comprise planet circular system 100, driving shaft, be socketed in the propeller shaft sleeve that driving shaft is outside and be rotationally connected with it, wherein, propeller shaft sleeve comprises input axle sleeve 210 and output sleeve 220, planet circular system 100 comprises ring gear 110, with the ring gear maintainance set 120 that is positioned at ring gear 110 outsides and is fixedly connected with it, input axle sleeve 210 and ring gear 110 part that is formed in one, ring gear maintainance set 120 is fixedly connected with output sleeve 220.
Particularly, in the present embodiment, input axle sleeve 210 is realized integrated injection molding with ring gear 110 by Shooting Technique, ring gear maintainance set 120 adopts metal material to make, and more specifically, adopts the punch forming of steel part, and be fixedly connected with output sleeve 220 by welding procedure or draw-in groove technique for fixing, preferably, in the present embodiment, ring gear maintainance set 120 is fixedly connected with output sleeve 220 by welding procedure.
Ring gear that please be further shown in Figure 4 and power shaft grip assembly, comprise ring gear 110 and input axle sleeve 210, wherein, input axle sleeve 210 is integrated injection molding part with ring gear 110, particularly, input axle sleeve 210 comprises power shaft cover cover plate 211 and input axle sleeve body 212, and ring gear 110 overlaps cover plate 211 by power shaft and is connected with input axle sleeve body 212; Wherein, the rigidity intensity in order to ensure input axle sleeve 210 when the transmitting torque, preferably, power shaft cover cover plate 211 lower surfaces are also provided with some shaft orientation reinforcing ribs 213.
Ring gear that please be further shown in Figure 5 and gear ring maintainance set assembly, comprise ring gear 110 and ring gear maintainance set 120, ring gear maintainance set 120 is positioned at ring gear 110 outsides and is fixedly connected with it, particularly preferably, in the present embodiment, ring gear maintainance set 120 is socketed in ring gear 110 outsides by gap fiting mode, wherein, ring gear 110 upper ends are provided with some draw-in groove 111(Fig. 5 and are shown 6), ring gear maintainance set 120 upper ends have step 121, step 121 medial surfaces are provided with the some latches 122 that match with draw-in groove 111, particularly, in the present embodiment, latch 122 adopts in ring gear maintainance set 120 upper punch swagings.
Preferably, in the present embodiment, the rigidity intensity in order to ensure input axle sleeve 210 when the transmitting torque, power shaft cover is installed annular shim 214 on cover plate 211 lower surfaces, and particularly, annular shim 214 adopts metal material to make, more specifically, annular shim 214 is steel structure; Wherein, for the ease of installing and compact conformation, be provided with some gap 214a(Fig. 3 spaced apart and Fig. 5 interior week of annular shim 214 and be shown 8), power shaft cover cover plate 211 lower surfaces are provided with the reinforcement 215 with gap 214a engagement connection, particularly, reinforcement 215 is arranged and is umbellate form shape; Annular shim 214 peripheries are fixedly connected with ring gear maintainance set 120 bottoms, and specifically preferably, in the present embodiment, ring gear maintainance set 120 bottoms are fixedly connected with annular shim 214 peripheries by spinning riveting.
While being arranged on ring gear 110 outside due to ring gear maintainance set 120 with gap fiting mode socket, because the space between ring gear maintainance set 120 and ring gear 110 is little, may become vacuum state, cause between ring gear maintainance set 120 and ring gear 110 and produce vacuum adsorption force, be unfavorable for ring gear maintainance set 120 being in place on ring gear 110, and be unfavorable for dismounting maintenance, therefore preferably, in the present embodiment, contact-making surface between ring gear maintainance set 120 and ring gear 110 has air slot (scheming not shown), by air slot, avoid the vacuum state that may occur between ring gear maintainance set 120 and ring gear 110, thereby the socket being beneficial to is between the two installed and follow-up dismounting maintenance, in addition, equally because ring gear maintainance set 120 is arranged on ring gear 110 outsides with gap fiting mode socket, coaxial installation accuracy for both requires very high, be very easy to cause that ring gear maintainance set 120 is because coaxial precision cannot be press-fit into place not, therefore preferably, in the present embodiment, the contact-making surface between ring gear maintainance set 120 and ring gear 110 has dead slot 112, is conducive to press-fiting between the two.Particularly, air slot and dead slot 112 are all arranged on ring gear 110 outer walls, on integrated injection molding processing ring gear 110, together form, also can after finishing, Shooting Technique by relevant processing technology, process again, more specifically, for convenient processing, air slot is set to axial air slot, and dead slot 112 is set to ring-type dead slot.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, the planet circular system 100 that driving shaft mounting structure comprises driving shaft, is connected with driving shaft, wherein, driving shaft comprises power shaft 310 and output shaft 320, planet circular system 100 comprises intermeshing sun gear 130 successively, some planetary gear 140(Fig. 3 are shown 3), ring gear 110, sun gear 130 is fixedly installed on power shaft 310, planetary gear 140 is arranged on planet carrier 160 by planet axis 150, planet carrier 160 is fixedly connected with output shaft 320, wherein, input axle sleeve 210 is socketed in power shaft 310 outsides and is rotationally connected with it by oiliness bearing (scheming unmarked), output sleeve 220 is socketed in output shaft 320 outsides and is rotationally connected with it by oiliness bearing (scheming unmarked), sealing ring 500 is installed between the output of the output of output shaft 320 and output sleeve 220,
Please further shown in Figure 6, further preferably, in the present embodiment, planet carrier 160 comprise be respectively equipped with counterbore 163(Fig. 6 and be shown 3) planet support body 161 and planet cover plate 162, planetary gear 140 is set in the counterbore 163 of planet support body 161 and planet cover plate 162 by planet axis 150, planet cover plate 162 and planet support body 161 are connected to one, and planet support body 161 is fixedly connected with output shaft 320; Wherein, between planet cover plate 162 and input axle sleeve 210, bearing is installed, for the radial support of planet carrier 160.For effectively reducing manufacturing cost, particularly, bearing is oiliness bearing 400, natch, also can adopt ball bearing etc. or other to have the bearing of identical functions; Oiliness bearing 400 integral body are T-shaped shape, and oiliness bearing 400 is arranged between power shaft 310 and input axle sleeve 210 simultaneously, for being rotationally connected between power shaft 310 and input axle sleeve 210.
Wherein, oiliness bearing 400 and the ring gear 110 shown in Fig. 4 and the input axle sleeve 210 assemblies part that is formed in one, specifically adding man-hour, oiliness bearing 400 is as injection moulding inserts, in oiliness bearing 400 placements and injection moulding grinding tool, through Shooting Technique, obtain integrated oiliness bearing 400 and ring gear 110 and input axle sleeve 210 assemblies.
For fear of sun gear 130, when doing high speed rotary motion, oiliness bearing 400 is caused to wearing and tearing, preferably, in the present embodiment, between oiliness bearing 400 and sun gear 130, be provided with friction shim 410, friction shim 410 is fixedly installed on power shaft 310.
When concrete processing and installation planet carrier 160, planet support body 161 adopts casting zinc part, planet cover plate 162 adopts punching press steel part, natch, also can adopt other mode moulding, the present embodiment is not done concrete restriction, and the downside of planet support body 161 is provided with some riveted joint boss 161a(Fig. 3 and Fig. 6 is shown 3), and by riveted joint boss 161a, planet support body 161 and planet cover plate 162 are connected to one by riveted joint; Wherein, simultaneously in order to reduce the weight of planet carrier 160 and to cut down finished cost, planet carrier 161 is provided with some material reducing groove 161b(Fig. 6 and is shown 3) and some material reducings hole 161d(Fig. 6 be shown 6).Specifically preferably, for planet carrier 160 is firmly installed, in the present embodiment, planet support body 161 carries out radially secure fit with output shaft 320 by spline, particularly, at planet support body 161 inwalls, internal spline 161c is set, on output shaft 320 outer walls, external splines 320a is set; Planet support body 161 and carry out axial location cooperation by jump ring 420, jump ring 420 is fixedly installed on output shaft 320, and is positioned at planet support body 161 lower ends.
, comprising motor, transmission device and arrangement of clutch, motor comprises stator module and rotor assembly, and wherein, transmission device adopts power transmission apparatus of washing machines as above, and rotor assembly is connected with driving shaft input; Particularly, in the present embodiment, motor can adopt outer rotor motor or inner rotor motor, also can adopt the motor that directly drives motor and indirectly drive by belt pulley, also can adopt asynchronous motor or synchronous motor, the applicant believes these common practise that all belong to those skilled in the art and conventional selection, no longer specifically repeats.
A kind of washing machine, comprise driving mechanism for washing machine, the washing execution unit being connected respectively with driving mechanism for washing machine and dehydration execution unit, wherein, driving mechanism for washing machine adopts driving mechanism for washing machine as above, driving shaft output is fixedly connected with washing execution unit, and output sleeve is fixedly connected with dehydration execution unit; Particularly, washing execution unit is impeller or agitator, and dehydration execution unit is interior bucket.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, is therefore intended to include in the utility model dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. a driving shaft mounting structure for power transmission apparatus of washing machines, comprises driving shaft, the planet circular system being connected with driving shaft, it is characterized in that, described driving shaft comprises power shaft and output shaft;
Described planet circular system comprises intermeshing sun gear, planetary gear, ring gear successively, and described sun gear is fixedly installed on described power shaft, and described planetary gear is arranged on planet carrier by planet axis, and described planet carrier is fixedly connected with described output shaft;
Described driving shaft mounting structure also comprises input axle sleeve and output sleeve, and described input axle sleeve is socketed in described power shaft outside and is rotationally connected with it, and described output sleeve is socketed in described output shaft outside and is rotationally connected with it;
Wherein, between described planet carrier and described input axle sleeve, bearing is installed.
2. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 1, it is characterized in that, described planet carrier comprises planet support body and the planet cover plate that is respectively equipped with counterbore, described planetary gear is set in the counterbore of planet support body and planet cover plate by planet axis, described planet cover plate and planet support body are connected to one, and described planet support body is fixedly connected with described output shaft.
3. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 2, is characterized in that, between described planet cover plate and described input axle sleeve, bearing is installed.
4. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 3, is characterized in that, described bearing is oiliness bearing, and described oiliness bearing is arranged between described power shaft and described input axle sleeve simultaneously.
5. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 3, is characterized in that, described bearing and described input axle sleeve and the described ring gear part that is formed in one.
6. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 4, is characterized in that, between described oiliness bearing and described sun gear, is provided with friction shim, and described friction shim is fixedly installed on described power shaft.
7. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 2, is characterized in that, described planet support body and described planet cover plate are connected to one by riveted joint.
8. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 1, is characterized in that, described planet carrier is provided with some material reducing grooves or material reducing hole.
9. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 1, is characterized in that, described planet carrier and described output shaft carry out radially secure fit by spline, and carry out axial location cooperation by jump ring.
10. the driving shaft mounting structure of power transmission apparatus of washing machines as claimed in claim 9, is characterized in that, described jump ring is fixedly installed on described output shaft, and is positioned at described planet carrier lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320486803.3U CN203429442U (en) | 2013-08-10 | 2013-08-10 | Driving shaft mounting structure of washing machine transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320486803.3U CN203429442U (en) | 2013-08-10 | 2013-08-10 | Driving shaft mounting structure of washing machine transmission device |
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| Publication Number | Publication Date |
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| CN203429442U true CN203429442U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320486803.3U Expired - Lifetime CN203429442U (en) | 2013-08-10 | 2013-08-10 | Driving shaft mounting structure of washing machine transmission device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436175A (en) * | 2016-10-31 | 2017-02-22 | 宁波普尔机电制造有限公司 | Washing machine transmission device |
-
2013
- 2013-08-10 CN CN201320486803.3U patent/CN203429442U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436175A (en) * | 2016-10-31 | 2017-02-22 | 宁波普尔机电制造有限公司 | Washing machine transmission device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170815 Address after: East West Road Luoyang town Wujin District Jiangsu city of Changzhou province No. 118 213104 Patentee after: Changzhou Sinya Motor Co., Ltd. Address before: East West Road Luoyang town Wujin District Jiangsu city of Changzhou province No. 118 213104 Patentee before: Changzhou Master Machinery Co., Ltd. |