CN105024490A - Integrated motor with impeller - Google Patents
Integrated motor with impeller Download PDFInfo
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- CN105024490A CN105024490A CN201510516009.2A CN201510516009A CN105024490A CN 105024490 A CN105024490 A CN 105024490A CN 201510516009 A CN201510516009 A CN 201510516009A CN 105024490 A CN105024490 A CN 105024490A
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Abstract
The invention is applicable to the field of motors, and discloses an integrated motor with an impeller. The integrated motor comprises a motor body and an impeller assembly installed at one end of the motor body, and is characterized in that the motor body comprises a casing, a stator assembly installed in the casing, a rotating shaft installed in the casing in a penetrating mode, a bearing assembly installed between the rotating shaft and the casing, and a rotor installed on the rotating shaft, the casing comprises a shell and an installation bracket arranged in the casing, both the bearing assembly and the stator assembly are installed in the shell through the installation bracket, and the bearing assembly is located at the inner side of the installation bracket located between the stator assembly and the impeller assembly. According to the integrated motor with the impeller provided by the invention, the bearing assembly and the stator assembly are installed and fixed in the casing through the installation bracket, the structure is simple and compact, the size is small, the number of components is small, and the installation is convenient; and the installation balance of the impeller assembly and the stator assembly in the casing is facilitated to be ensured, thereby being conducive to ensuring the operation stability of the integrated motor.
Description
Technical field
The invention belongs to machine field, particularly relate to the integrated motor with impeller.
Background technology
The existing integrated motor with impeller, in order to meet high-revolving requirement, its structure generally all designs to obtain more complicated, and like this, the existing integrated motor with impeller is all existed mostly, and volume is large, parts are many, material usage is large, install inconvenient defect; And the existing radiating effect with the integrated motor of impeller is poor, has had a strong impact on the useful life of product.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide the integrated motor with impeller, which solve existing have in the integrated motor of impeller there is complex structure, volume is large, parts are many, material usage is large, install inconvenient technical problem.
For achieving the above object, the technical solution used in the present invention is: the integrated motor with impeller, comprise motor body and the impeller assembly being installed on described motor body one end, described motor body comprises casing, be installed on the stator module in described casing, wear the rotating shaft be installed in described casing, the rotor being installed on the bearing assembly between described rotating shaft and described casing and being installed in described rotating shaft, described casing comprises shell and is located at the mounting bracket in described shell, described bearing assembly and described stator module are all installed in described shell by described mounting bracket, and inside the described mounting bracket of described bearing assembly between described stator module and described impeller assembly.
Preferably, described mounting bracket comprises the rack body with hollow endoporus and several are formed at connection support body between described rack body and described shell, described bearing assembly is installed in described hollow endoporus, and described stator module is fastenedly connected with the described support body that is connected.
Preferably, described bearing assembly comprises fastening bearing holder (housing, cover) in described hollow endoporus and two intervals of being installed on and is installed on bearing in described bearing holder (housing, cover).
As a specific embodiments of bearing limit method in bearing holder (housing, cover), shoulder hole is provided with in described bearing holder (housing, cover), described shoulder hole comprises two apertures and mates with described bearing outside diameter and lay respectively at the first hole portion at described bearing holder (housing, cover) two ends and be less than the second hole portion in described first aperture, hole portion between the first hole portion and aperture described in two, and bearing described in two is installed in the first hole portion described in two respectively.
As another specific embodiments of bearing limit method in bearing holder (housing, cover), the through hole being provided with aperture and mating with described bearing outside diameter is run through in described bearing holder (housing, cover), bearing described in two is installed on the two ends of described through hole respectively, and described bearing assembly also comprises and to be installed in described through hole and every being located at the collar described in two between bearing.
Preferably, the spacing described in two between bearing is more than or equal to the thickness of described bearing.
Preferably, described bearing holder (housing, cover) is adhered in described hollow endoporus by glue.
Preferably, the lateral wall of described bearing holder (housing, cover) is provided with several the first grooves accumulated for described glue, and/or the madial wall of described hollow endoporus is provided with several the second grooves accumulated for described glue.
Preferably, described impeller assembly comprises and is installed on impeller in described rotating shaft and covers at described impeller outer and the fan housing be connected with described shell one end.
Preferably, the above-mentioned integrated motor with impeller also comprises the control assembly arranged near described stator module, and described control assembly comprises the circuit board that is connected with described stator module and is installed on described circuit board and the electric capacity that extends back to described stator module of external part.
The integrated motor with impeller provided by the invention, shell and mounting bracket two parts are comprised by being set to by casing, and realize bearing assembly especially by mounting bracket and the installation of stator module in casing is fixed, thus the mounting structure effectively simplified between impeller assembly and motor body, and make the structure comparison of integrated motor compact, and then reduce the volume of integrated motor, decrease material usage and the number of components of integrated motor, make the assembling of integrated motor more convenient.Meanwhile, bearing assembly is located between stator module and impeller assembly by it, is beneficial to the balance ensureing that the impeller assembly of mounting bracket both sides and stator module are installed on casing, thus is beneficial to the stationarity ensureing integrated motor running.
Accompanying drawing explanation
Fig. 1 is the entirety assembling schematic diagram with the integrated motor of impeller that the embodiment of the present invention one provides;
Fig. 2 is the decomposing schematic representation with the integrated motor of impeller that the embodiment of the present invention one provides;
Fig. 3 is the schematic diagram that fan housing is opened by the integrated motor with impeller that the embodiment of the present invention one provides;
Fig. 4 is that the entirety of the bearing assembly that provides of the embodiment of the present invention one and rotating shaft assembles schematic diagram;
Fig. 5 be the bearing assembly that provides of the embodiment of the present invention one and rotating shaft partly cut open assembling schematic diagram;
Fig. 6 is the decomposing schematic representation of the bearing assembly that provides of the embodiment of the present invention one and rotating shaft;
Fig. 7 is the generalized section of the bearing holder (housing, cover) that the embodiment of the present invention one provides;
Fig. 8 be the embodiment of the present invention one provide bearing assembly, rotating shaft and casing backsight assemble schematic diagram;
Fig. 9 be the embodiment of the present invention one provide bearing assembly, rotating shaft and casing forward sight assemble schematic diagram;
Figure 10 is the backsight structural representation of the casing that the embodiment of the present invention one provides;
Figure 11 is the forward sight structural representation of the casing that the embodiment of the present invention one provides;
Figure 12 is the structural representation that stator winding that the embodiment of the present invention one provides is set around on stator core;
Figure 13 be the bearing assembly that provides of the embodiment of the present invention two and rotating shaft partly cut open assembling schematic diagram;
Figure 14 is the decomposing schematic representation of the bearing assembly that provides of the embodiment of the present invention two and rotating shaft;
Figure 15 is that the entirety of the bearing assembly that provides of the embodiment of the present invention three and rotating shaft assembles schematic diagram;
Figure 16 be the embodiment of the present invention three provide bearing assembly, rotating shaft and casing forward sight assemble schematic diagram.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " connection " another element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in following examples, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
Embodiment one:
As shown in Fig. 1 ~ 12, the integrated motor of what the embodiment of the present invention one provided have impeller 21, comprise motor body 1 and the impeller assembly 2 being installed on motor body 1 one end, motor body 1 comprises casing 11, be installed on the stator module 12 in casing 11, wear the rotating shaft 13 of the center axial position being installed on casing 11, be installed on bearing assembly between rotating shaft 13 and casing 11 15 and be installed in rotating shaft 13 and the rotor 14 be positioned at inside stator module 12, the mounting bracket 112 that casing 11 comprises shell 111 and is located in shell 111, bearing assembly 15 and stator module 12 are all installed in shell 111 by mounting bracket 112, and inside the mounting bracket 112 of bearing assembly 15 between stator module 12 and impeller assembly 2.The integrated motor of what the present embodiment provided have impeller 21, shell 111 and mounting bracket 112 two parts are comprised by being set to by casing 11, and realize bearing assembly 15 especially by mounting bracket 112 and the installation of stator module 12 in casing 11 is fixed, thus the mounting structure effectively simplified between impeller assembly 2 and motor body 1, and make the structure comparison of integrated motor compact, and then reduce the volume of integrated motor, decrease material usage and the number of components of integrated motor, make the assembling of integrated motor more convenient.Meanwhile, bearing assembly 15 is located between stator module 12 and impeller assembly 2 by it, is beneficial to the balance ensureing that the impeller assembly 2 of mounting bracket 112 both sides and stator module 12 are installed on casing 11, thus is beneficial to the stationarity ensureing that integrated motor operates.
Preferably, in the lump with reference to shown in Fig. 2, Fig. 8, Fig. 9, Figure 10 and Figure 11, be formed with several between the madial wall of mounting bracket 112 and shell 111 and be communicated in air duct 101 between impeller assembly 2 and stator module 12.Herein, by the setting of air duct 101, the air blast produced when impeller assembly 2 can be made to operate is negotiable between air duct 101, the air blast that stator module 12 can directly be produced by impeller assembly 2 cools, heat radiation, reduce the temperature rise of stator module 12, improve the radiating effect of integrated motor, be finally beneficial to the useful life extending integrated motor, improve the combination property of the integrated motor with impeller 21 dramatically.
Preferably, in the lump with reference to shown in Fig. 2, Fig. 8, Fig. 9, Figure 10 and Figure 11, mounting bracket 112 comprises and is connected to connection support body 1122 between rack body 1121 and shell 111 near the rack body 1121 of central shaft of shell 111 and several, the center position of rack body 1121 runs through the hollow endoporus 11210 be provided with, bearing assembly 15 is installed in hollow endoporus 11210, stator module 12 be connected support body 1122 and be fastenedly connected.Arbitrary neighborhood two connects the air duct 101 all enclosed between the madial wall of support body 1122 and shell 111, rack body 1121 between formation connected domain impeller assembly 2 and stator module 12.Herein, by being optimized setting to the structure of mounting bracket 112, both having achieved mounting bracket 112 and the connection of stator module 12, shell 111, having achieved again the formation of air duct 101, and its structure simple, be easy to manufacture.
Preferably, in the lump with reference to shown in Fig. 2, Fig. 8, Fig. 9, Figure 10 and Figure 11, connect support body 1122 to comprise along the axial component 11221 of axis between stator module 12 and impeller assembly 2 of shell 111 and the radial limiting section 11222 of radial direction between stator module 12 and shell 111 madial wall along shell 111, the end face towards stator module 12 of axial component 11221 is provided with and extends towards stator module 12 the axial limiting portion supporting location for stator module 12., by axial limiting portion, axial limiting is carried out to stator module 12 herein, carry out radial direction by radial limiting section 11222 pairs of stator modules 12 spacing, be beneficial to and ensure that stator module 12 installs the solid and reliable property of locating casing 11 in.
Preferably, in the lump with reference to shown in Fig. 2, Fig. 8 and Figure 10, each axial limiting portion is respectively and extends towards stator module 12 positioning boss 11223 be convexly equipped on each axial component 11221, because positioning boss 11223 is just convexly equipped in the local surfaces in axial limiting portion 11221, therefore, it, under the prerequisite ensureing bonding strength between mounting bracket 112 and stator module 12, can reduce the material usage of mounting bracket 112, thus is beneficial to the material cost reducing mounting bracket 112; And the local projection of positioning boss 11223, the contact area reduced between mounting bracket 112 and stator module 12 can be beneficial to, thus be beneficial to the radiating effect improving stator module 12 further.
Preferably, in the lump with reference to shown in Fig. 2, Fig. 8, Figure 10 and Figure 12, stator module 12 is fastenedly connected mounting bracket 112 by securing member (not shown), and it is easy for installation, reliably fastening.Stator module 12 runs through and is provided with several wear connection the first connecting hole 1210 for securing member, positioning boss 11223 is provided with several wear connection the second connecting hole 11220 for securing member.Herein, securing member specifically can be screw or rivet etc.
Preferably, securing member is screw, has one to be light through hole, another is screwed hole in the first connecting hole 1210 and the second connecting hole 11220; Or securing member is the combination of screw and nut, be all light through hole in the first connecting hole 1210 and the second connecting hole 11220.Second connecting hole 11220 specifically can run through setting in the other end (axial limiting portion 11221 is back to the end face of stator module 12) along positioning boss 11223 towards axial limiting portion 11221; Of course, when the thickness of positioning boss 11223 is enough large and the second connecting hole 11220 is screwed hole, the second connecting hole 11220 also can only be located on positioning boss 11223 or the second connecting hole 11220 from positioning boss 11223 to extend in axial limiting portion 11221 but not through-shaft to limiting section 11221.
Preferably, in the lump with reference to shown in Fig. 2, Fig. 9 and Figure 11, each axial component 11221 on the end face of impeller assembly 2, be arranged with the wind-guiding groove 1120 being communicated in and being adjacent between two air ducts 101.The setting of wind-guiding groove 1120, can be beneficial to reduce air-flow flow between impeller assembly 2 and air duct 101 suffered by obstruction, thus be beneficial to the pressure loss compared with little airflow, and then be beneficial to the radiating effect of guarantee stator module 12.
Preferably, mounting bracket 112 manufactures and designs with shell 111 is one-body molded, like this, is beneficial to the number of components and installation procedure that reduce integrated motor.Of course, in embody rule, mounting bracket 112 and shell 111 also can adopt split to manufacture molding mode, then are installed in shell 111 by fastening for mounting bracket 112, this setup, can be beneficial to the manufacture difficulty reducing casing 11.
Preferably, in the lump with reference to shown in Fig. 2, Fig. 4, Fig. 5, Fig. 6, Fig. 8 and Fig. 9, bearing assembly 15 comprises fastening bearing holder (housing, cover) 151 in hollow endoporus 11210 and two intervals of being installed on and is installed on bearing 152 in bearing holder (housing, cover) 151.Bearing 152 is installed on mounting bracket 112 by bearing holder (housing, cover) 151, is beneficial to the installation difficulty reducing bearing 152; And two spaced bearings 152 are installed in hollow endoporus 11210 simultaneously, be beneficial to the stationarity ensureing that integrated motor operates in high speed, high power load situation.
Preferably, in the lump with reference to shown in Fig. 4, Fig. 5, Fig. 6 and Fig. 7, shoulder hole 1511 is provided with in bearing holder (housing, cover) 151, shoulder hole 1511 comprise two apertures mate with bearing 152 external diameter and lay respectively at bearing holder (housing, cover) 151 two ends the first hole portion 15111 and between two first hole portions 15111 and aperture is less than the second hole portion 15112 in the first aperture, hole portion 15111, form a ladder confined planes between each the first hole portion 15111 and second hole portion 15112, two bearings 152 is installed on respectively in two first hole portions 15111 and is also resisted against respectively on two ladder confined planes.The aperture in the second hole portion 15112 is greater than the diameter of axle of rotating shaft 13, to ensure that rotating shaft 13 can be installed through bearing holder (housing, cover) 151.Herein, the ladder confined planes formed in shoulder hole 1511 carries out axial limiting to bearing 152, ensure that the solid and reliable property that bearing 152 is installed bearing holder (housing, cover) 151 in, and its structure simply, be easy to manufacture.In addition, owing to only having the first hole portion 15111 to coordinate with bearing 152, therefore, in embody rule, only need ensure the accuracy of manufacture in the first hole portion 15111, and the accuracy of manufacture in the second hole portion 15112 be designed slightly lower, to reduce the manufacture difficulty of bearing holder (housing, cover) 151.
Preferably, the spacing 102 between two bearings 152 is more than or equal to the thickness of bearing 152, like this, is beneficial to the stationarity improving integrated motor and operate in high speed, high power load situation.Of course, in embody rule, at integrated motor rotating speed in lower or lower-powered situation, the spacing 102 between two bearings 152 also can be established be slightly less than the thickness of bearing 152.
Preferably, bearing holder (housing, cover) 151 is adhered in hollow endoporus 11210 by glue, like this, be beneficial to and ensure that bearing holder (housing, cover) 151 is installed on the solid and reliable property in hollow endoporus 11210, be beneficial to and prevent the motor lower bearing sleeve 151 that runs up from occurring from the phenomenon of slippage in hollow endoporus 11210, meanwhile, it is also beneficial to and makes bearing holder (housing, cover) 151 external diameter can arrange so not tight with coordinating of hollow endoporus 11210 aperture, is beneficial to reduce the installation difficulty of bearing holder (housing, cover) 151 at hollow endoporus 11210.Of course, in embody rule, bearing holder (housing, cover) 151 also can directly pass through tight fit (interference fit) and be fixed in hollow endoporus 11210, and like this, the installation difficulty of bearing holder (housing, cover) 151 can be slightly large.
Preferably, in the lump with reference to shown in Fig. 1 ~ 3, impeller assembly 2 comprises the impeller 21 that is installed in rotating shaft 13 and covers at impeller 21 and the fan housing 22 be connected with shell 111 one end outward, and the center axial position of fan housing 22 runs through and is provided with ventilation hole 221.Rotating shaft 13 has the installation shaft part 131 extended towards side, impeller assembly 2 place outside shell 111, and impeller 21 adapter sleeve is satisfied with to install on shaft part 131, and can rotate with the rotation of rotating shaft 13, thus can play the effect producing air blast.The setting of fan housing 22, be mainly used in protecting impeller 21, fan housing 22 is fastenedly connected shell 111, and when impeller 21 rotates, fan housing 22 does not rotate.
Preferably, the lateral wall of shaft part 131 is installed and is provided with flat tangent plane or knurling structure (being processed to form by annular knurl) or seamed edge or groove, like this, impeller 21 can be convenient on the one hand the installation on shaft part 131 is being installed, be beneficial on the other hand and improve impeller 21 and be installed on the solid and reliable property of installing on shaft part 131, effectively prevent impeller 21 and shaft part 131 is installed the relative phenomenon rotated occurs occurs.
Preferably, with reference to shown in Fig. 2, Fig. 3 and Fig. 9, impeller assembly 2 also comprises along the axial stator 23 be located between impeller 21 and mounting bracket 112 of shell 111, and when rotating shaft 13 is rotated, stator 23 does not rotate.The setting of stator 23, is mainly used in correcting the gas flow circulated between impeller 21 and air duct 101, to reduce the pressure loss in gas flow.
Preferably, stator 23 and mounting bracket 112 split manufacture molding mode, and stator 23 is installed on mounting bracket 112 by screw or tightening of rivet, like this, are beneficial to the manufacture difficulty reducing stator 23 and mounting bracket 112.Of course, in embody rule, stator 23 also can manufacture and design with mounting bracket 112 is one-body molded, this setup, is beneficial to the number of components and installation procedure that reduce integrated motor.
Preferably, in the lump with reference to shown in Fig. 1 ~ 3, the above-mentioned integrated motor with impeller 21 also comprises and is installed on the outer and control assembly 3 that is that arrange near stator module 12 of shell 111, and namely control assembly 3 and impeller assembly 2 are located at the two ends of motor body 1 respectively.Control assembly 3 is specifically for the operation of domination set accepted way of doing sth motor, herein, control assembly 3 is arranged near stator module 12, the electrical connection realizing stator winding 122 on control assembly 3 and stator module 12 can be convenient to, thus be beneficial to the conductor length reduced for connection control assembly 3 and stator module 12; And control assembly 3 is located at outside shell 111, be mainly convenient to the heat radiation of stator module 12 and control assembly 3.In the present embodiment, adopt the form be installed on by control assembly 3 outside shell 111; Of course, in embody rule, control assembly 3 also can be installed in shell 111.
Particularly, in the lump with reference to shown in Fig. 1 ~ 3, control assembly 3 comprise the circuit board 31 that is connected with stator module 12 be installed on circuit board 31 back to the electric capacity 32 on the end face of stator module 12, electric capacity 32 has the external part back to stator module 12., the axis of electric capacity 32 along shell 111 is stretched out backward herein, be beneficial to the radial installation dimension reducing integrated motor, and be beneficial to the heat radiation of electric capacity 32.
Preferably, in the lump with reference to shown in Fig. 1 ~ 3, there is between circuit board 31 and shell 111 axial spacing 102 and/or radial spacing (not shown), this axial spacing 102 and/or radial spacing can form the passage for air circulation, like this, the inner air and the extraneous air that are beneficial to shell 111 realize convection current by this axial spacing 102 and/or radial spacing, thus are beneficial to the radiating effect improving stator module 12 further, and then are beneficial to the useful life extending integrated motor.
Preferably, the external diameter of circuit board 31 is less than the internal diameter of shell 111, and like this, being beneficial to the air blast that impeller 21 is produced can dispel the heat to circuit board 31 better, thus is beneficial to the radiating effect improving integrated motor further.
Preferably, in the lump with reference to shown in Fig. 1, Fig. 2, Figure 10 and Figure 12, the insulating element 123 that stator module 12 comprises stator core 121, is set around the stator winding 122 on stator core 121 and is located between stator core 121 and stator winding 122, stator core 121 comprises stator yoke 1211 and several are located at stator tooth 1212 in stator yoke 1211, a winding slot 1213 is all formed between arbitrary neighborhood two stator tooth 1212, stator winding 122 is set around the periphery of stator yoke 1211, and stator winding 122 and each air duct 101 are oppositely arranged.Herein, stator winding 122 is set around in stator yoke 1211, stator winding 122 can be saved and be set around the space that stator tooth 1212 needs reserved confession bobbin winding head to wear, improve the groove area utilance of stator core 121, and stator winding 122 can be made can to use the enamelled wire larger than wire diameter in tooth winding mode, thus effectively reduce the resistance of stator winding 122, reduce the coil loss of stator winding 122.In addition, because stator winding 122 and air duct 101 are just oppositely arranged, therefore, its air blast that impeller assembly 2 can be utilized to produce directly cools stator winding 122, reduce the temperature rise of stator winding 122, like this, reduce the copper loss of stator winding 122 on the one hand, thus be beneficial to the efficiency improving integrated motor; The aging speed of insulation on stator winding 122 can be slowed down on the other hand, and then be beneficial to the useful life extending integrated motor.
Preferably, shown in seeing figures.1.and.2 in the lump, circuit board 31 is connected by screw or the connected mode such as rivet is fastenedly connected insulating element 123, insulating element 123 is convexly equipped with the erection column 1231 that several are fastenedly connected for circuit board 31, by the setting of erection column 1231, also can be beneficial to and make to be formed between circuit board 31 and shell 111 and for the axial spacing 102 of air circulation, and then the radiating effect improving stator module 12 and control assembly 3 can be beneficial to.
Particularly, in the lump with reference to shown in Fig. 2, Figure 10 and Figure 12, each stator tooth 1212 circumferentially interval is convexly equipped on the madial wall of stator yoke 1211, the lateral wall of stator yoke 1211 is convexly equipped with several and protrudes connecting portion 1214, each protrusion connecting portion 1214 all runs through and is provided with the first connecting hole 1210, stator core 121 is fastenedly connected each connection support body 1122 especially by protrusion connecting portion 1214., protrude the setting of connecting portion 1214 herein, be beneficial to the electromagnetic performance making the installation position on stator core 121 can not affect stator core 121 on the one hand; Be beneficial on the other hand and make all to enclose formation heat dissipation wind channel between any two adjacent protrusion connecting portions 1214 and stator yoke 1211 lateral wall, shell 111 madial wall, like this, stator winding 122 is set around after in stator yoke 1211 there is the part being arranged in heat dissipation wind channel, and one end of heat dissipation wind channel is communicated with air duct 101, the other end is communicated with the space outerpace of shell 111, thus be beneficial to the air blast produced by impeller assembly 2 and carry out cooling stator winding 122, effectively to improve the radiating effect of stator winding 122.
Preferably, the integrated motor of what the present embodiment provided have impeller 21 preferably has the high-speed small-size integrated motor (as rotating speed is greater than the micro-machine of 10000rpm) of impeller 2121, like this, structure and the installation procedure of high-speed small-size integrated motor can be simplified dramatically, and effectively improve efficiency and the radiating effect of high-speed small-size integrated motor.
The integrated motor of what the present embodiment provided have impeller 21, eliminate the design of electric motor end cap, and the air blast utilizing impeller 2121 to produce dispels the heat to stator module 1212, its structure is simple, compact conformation, volume is little, material usage is few, number of components is few, easy for installation, excellent in heat dissipation effect, electric efficiency is high, long service life, and be applied to dust catcher when it, air exhauster, exhaust blower, air cleaner, hand dryer, air pump, time in the equipment such as fan, efficiency and the useful life of these equipment can be improved dramatically, and the cost of these equipment can be reduced.
Embodiment two:
As shown in Figure 13 and Figure 14, from the main distinction of embodiment one, the integrated motor of what the present embodiment provided have impeller 21, is that the limit method of bearing 152 in bearing holder (housing, cover) 151 is different.Particularly, in the present embodiment, the through hole 1512 being provided with aperture and mating with bearing 152 external diameter is run through in bearing holder (housing, cover) 151, two bearings 152 is installed on the two ends of through hole 1512 respectively, bearing assembly 15 also comprises and to be installed in through hole 1512 and every the collar 153 be located between two bearings 152, two bearings 152 is resisted against in the both ends of the surface of the collar 153 respectively.In embodiment one, the endoporus that bearing holder (housing, cover) 151 is arranged is shoulder hole 1511, and bearing 152 realizes axial limiting by the ladder confined planes of shoulder hole 1511; And in the present embodiment, the endoporus that bearing holder (housing, cover) 151 is arranged is not shoulder hole 1511 but the consistent through hole 1512 in aperture, and bearing 152 realizes axial limiting by the collar 153 be installed in through hole 1512.Adopt the limit method of the present embodiment middle (center) bearing 152 in bearing holder (housing, cover) 151, also effectively ensure that the solid and reliable property that bearing 152 is installed in bearing holder (housing, cover) 151, thus also effectively ensure that the stationarity that integrated motor operates in high speed, high power load situation.
Except above-mentioned bearing 152 in bearing holder (housing, cover) 151 limit method arrange except difference, other vibrational power flow principle of integrated motor of what the present embodiment provided have impeller 21 is all identical with embodiment one, is not described in detail in this.
Embodiment three:
As shown in Figure 15 and Figure 16, the integrated motor of what the present embodiment provided have impeller 21, be that the set-up mode of bearing holder (housing, cover) 151 lateral wall and/or hollow endoporus 11210 madial wall is different from the main distinction of embodiment one, embodiment two, particularly, in the present embodiment, the lateral wall of bearing holder (housing, cover) 151 is also provided with several and circumferentially arranges the first groove 1512 accumulated for glue in interval, the madial wall of hollow endoporus 11210 is also provided with several and circumferentially arranges the second groove 11211 accumulated for glue in interval.The setting of the first groove 1512 and the second groove 11211, be beneficial to and accumulate more glue between bearing holder (housing, cover) 151 and rack body 1121, thus be beneficial to the lasting bonding force strengthening glue between bearing holder (housing, cover) 151 and rack body 1121, and then improve bearing holder (housing, cover) 151 dramatically and be installed on solid and reliable property in rack body 1121.Herein, the first groove 1512 is set on the lateral wall of bearing holder (housing, cover) 151 and the second groove 11211 is set at the madial wall of hollow endoporus 11210 simultaneously; Of course, in embody rule, also only the first groove 1512 can be set on the lateral wall of bearing holder (housing, cover) 151, or, only the second groove 11211 is set at the madial wall of hollow endoporus 11210.
Except the set-up mode difference of above-mentioned bearing holder (housing, cover) 151 lateral wall and/or hollow endoporus 11210 madial wall, other vibrational power flow principle of integrated motor of what the present embodiment provided have impeller 21 is all identical with embodiment one or embodiment two, and (limit method of the present embodiment middle (center) bearing 152 in bearing holder (housing, cover) 151 can adopt the set-up mode in embodiment one, also the set-up mode in embodiment two can be adopted), be not described in detail in this.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. there is the integrated motor of impeller, it is characterized in that: comprise motor body and the impeller assembly being installed on described motor body one end, described motor body comprises casing, be installed on the stator module in described casing, wear the rotating shaft be installed in described casing, the rotor being installed on the bearing assembly between described rotating shaft and described casing and being installed in described rotating shaft, described casing comprises shell and is located at the mounting bracket in described shell, described bearing assembly and described stator module are all installed in described shell by described mounting bracket, and inside the described mounting bracket of described bearing assembly between described stator module and described impeller assembly.
2. there is the integrated motor of impeller as claimed in claim 1, it is characterized in that: described mounting bracket comprises the rack body with hollow endoporus and several are formed at connection support body between described rack body and described shell, described bearing assembly is installed in described hollow endoporus, and described stator module is fastenedly connected with the described support body that is connected.
3. there is the integrated motor of impeller as claimed in claim 2, it is characterized in that: described bearing assembly comprises fastening bearing holder (housing, cover) in described hollow endoporus and two intervals of being installed on and is installed on bearing in described bearing holder (housing, cover).
4. there is the integrated motor of impeller as claimed in claim 3, it is characterized in that: in described bearing holder (housing, cover), be provided with shoulder hole, described shoulder hole comprises two apertures and mates with described bearing outside diameter and lay respectively at the first hole portion at described bearing holder (housing, cover) two ends and be less than the second hole portion in described first aperture, hole portion between the first hole portion and aperture described in two, and bearing described in two is installed in the first hole portion described in two respectively.
5. there is the integrated motor of impeller as claimed in claim 3, it is characterized in that: in described bearing holder (housing, cover), run through the through hole being provided with aperture and mating with described bearing outside diameter, bearing described in two is installed on the two ends of described through hole respectively, and described bearing assembly also comprises and to be installed in described through hole and every being located at the collar described in two between bearing.
6. the integrated motor with impeller as described in any one of claim 3 to 5, is characterized in that: the spacing described in two between bearing is more than or equal to the thickness of described bearing.
7. the integrated motor with impeller as described in any one of claim 3 to 5, is characterized in that: described bearing holder (housing, cover) is adhered in described hollow endoporus by glue.
8. there is the integrated motor of impeller as claimed in claim 7, it is characterized in that: the lateral wall of described bearing holder (housing, cover) is provided with several the first grooves accumulated for described glue, and/or the madial wall of described hollow endoporus is provided with several the second grooves accumulated for described glue.
9. the integrated motor with impeller as described in any one of claim 1 to 5, is characterized in that: described impeller assembly comprises and is installed on impeller in described rotating shaft and covers at described impeller outer and the fan housing be connected with described shell one end.
10. the integrated motor with impeller as described in any one of claim 1 to 5, it is characterized in that: also comprise the control assembly arranged near described stator module, described control assembly comprise the circuit board that is connected with described stator module and to be installed on described circuit board and external part back to the electric capacity of described stator module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516009.2A CN105024490B (en) | 2015-08-20 | 2015-08-20 | integrated motor with impeller |
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| CN107231065A (en) * | 2016-03-26 | 2017-10-03 | 阿美德格工业技术（上海）有限公司 | Motor of dust collector and motor |
| WO2020228174A1 (en) * | 2019-05-15 | 2020-11-19 | 广东威灵电机制造有限公司 | Bearing assembly, rotor assembly and fan |
| EP3808987A1 (en) * | 2019-10-14 | 2021-04-21 | Miele & Cie. KG | Turbo machine and household or kitchen appliance with same |
| CN112815013A (en) * | 2020-12-30 | 2021-05-18 | 东莞市鸿盈电子科技有限公司 | Novel well tubular construction of installation ball bearing |
| US11353035B2 (en) | 2019-05-15 | 2022-06-07 | Guangdong Welling Motor Manufacturing Co., Ltd. | Bearing assembly, rotor assembly and draught fan |
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| CN107231065A (en) * | 2016-03-26 | 2017-10-03 | 阿美德格工业技术（上海）有限公司 | Motor of dust collector and motor |
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| US11353035B2 (en) | 2019-05-15 | 2022-06-07 | Guangdong Welling Motor Manufacturing Co., Ltd. | Bearing assembly, rotor assembly and draught fan |
| EP3808987A1 (en) * | 2019-10-14 | 2021-04-21 | Miele & Cie. KG | Turbo machine and household or kitchen appliance with same |
| CN112815013A (en) * | 2020-12-30 | 2021-05-18 | 东莞市鸿盈电子科技有限公司 | Novel well tubular construction of installation ball bearing |
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|---|---|
| CN105024490B (en) | 2018-04-17 |
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