CN103795174A - Motor - Google Patents
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- CN103795174A CN103795174A CN201410026274.8A CN201410026274A CN103795174A CN 103795174 A CN103795174 A CN 103795174A CN 201410026274 A CN201410026274 A CN 201410026274A CN 103795174 A CN103795174 A CN 103795174A
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- wall
- connecting portion
- bearing
- stator
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 38
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention discloses a motor which comprises a mounting base. The mounting base comprises a support part and a bearing base connected with the support part. The support part and the bearing base are arranged in a split mode. The support part and the bearing base of the mounting base are arranged in the split mode, manufacturing is convenient, and cost is low.
Description
[technical field]
The present invention relates to aircraft field of power equipment technology, relate in particular to a kind of motor.
[background technology]
Along with the development of permanent magnetism new material, microelectric technique, automatic control technology and power electronic technology, motor obtains significant progress.Motor utilizes electronic commutation to replace traditional mechanical commutation, its rely on dependable performance, forever without wearing and tearing, failure rate is low, the little and efficiency advantages of higher of volume,, by initial military field, develops rapidly to aerospace field gradually.
The abilities such as aircraft can vertical takeoff and landing (VTOL), steadily hovering and autonomous cruise, aerial mobile monitor is in real time realized in police service monitoring, news photography, scene of a fire commander, traffic administration, Geological Hazards Investigation and the pipeline field such as cruise that is applicable to.The power of aircraft drives the form of screw to realize with motor at present.Both, on motor, carried screw, thereby the rotation of the rotor of motor had been converted into thrust or the lift to screw.
The motor of correlation technique, it comprises mount pad, is fixed on stator, the rotation axis being rotatedly connected with mount pad and the rotor being connected with rotation axis on mount pad.As shown in figure 13, described mount pad 1 ' comprises the bearing pedestal 3 ' that extend to the direction away from cradle portion 2 ' at cradle portion 2 ' and the middle part from cradle portion 2 '.Described cradle portion 2 ' is one-body molded with bearing pedestal 3 '.Bearing pedestal 3 ' comprises the connecting portion 31 ' that is connected with cradle portion 2 ' and the upper end 32 ' of extending to the direction away from cradle portion 2 ' from described connecting portion 31 ', run through to connecting portion 31 ' from upper end 32 ' for accommodating the resettlement section 33 ' of described rotation axis and being housed in upper end 32 ' and being set in the bearing (not shown) outside rotation axis.Described stator comprises main part and runs through main part and be sheathed on the through hole of the outer surface of bearing pedestal 3 '.
When the assembling of above-mentioned motor, because described cradle portion and described bearing pedestal are one-body molded, be not easy to manufacture and cost high.And, the through hole of described stator can only be from the upper end of bearing pedestal the sheathed bearing pedestal that enters.Like this, the size of described upper end must and the internal diameter coupling of through hole.
For meeting the miniaturization of motor, the internal diameter of described through hole can not arbitrarily expand, and causes being housed in described bearing in bearing pedestal and the size of described rotation axis and is also subject to corresponding restriction.Therefore cannot realize bearing and the rotation axis of large-size, cause the size of upper end, bearing pedestal and rotation axis less, a little less than impact resistant capability.
Therefore, be necessary to provide a kind of new motor to overcome above-mentioned shortcoming.
[summary of the invention]
The object of the present invention is to provide the motor that a kind of convenience is manufactured, overall impact resistant capability is stronger.
The object of the present invention is achieved like this: a kind of motor, and it comprises mount pad, and described mount pad comprises cradle portion and the bearing pedestal being connected with described cradle portion, and wherein, described cradle portion and described bearing pedestal split arrange.
Preferably, described bearing pedestal comprises that connecting portion is connected with described connecting portion and away from the upper end of described cradle portion, the receiving space that described connecting portion comprises connecting wall and enclosed by described connecting wall, described upper end comprises and is provided with accepting groove, the inner surface of described connecting wall drops in described upper accepting groove to the projection of described upper end direction from described connecting portion, and the outer surface of described connecting portion drops in the outer surface of described upper end to the projection of described upper end direction from described connecting portion.
Preferably, described upper end also comprise the wall extension that extends to direction away from described receiving space from described connecting wall and from described wall extension to the upper wall extending away from described connecting wall bending, described upper accepting groove is jointly enclosed and forms by described wall extension and described upper wall.
Preferably, described motor also comprises the rotation axis being rotatedly connected with described mount pad, described rotation axis comprises upper axial region in the described upper accepting groove that is inserted in described upper end and is inserted in the lower shaft portion in the described receiving space of described connecting portion, and the external diameter of described upper axial region is greater than the external diameter of described lower shaft portion.
Preferably, described cradle portion is provided with accepting hole, and described bearing pedestal also comprises the bottom that is connected with described connecting wall and is inserted in described accepting hole.
Preferably, described bottom is provided with lower accepting groove, and described motor also comprises the upper bearing (metal) that is housed in described upper accepting groove and be housed in the lower bearing in described lower accepting groove, and the external diameter of described upper bearing (metal) is greater than the external diameter of described lower bearing.
Preferably, from one end to close described connecting portion away from described connecting portion one end, the internal diameter of described accepting hole dwindles gradually.
Preferably; described motor also comprises the stator that is fixed on described mount pad and the rotor of relative and described stator rotation; described stator comprises at least one pair of coil lead; described motor also comprises and is positioned at described rotor below and is fixed on the protection structure on described mount pad and/or described stator, and described protection structure directly contacts with described coil lead in order to prevent described rotor.
Preferably, described stator comprises the resettlement section of hollow, and the internal diameter of described resettlement section is less than the external diameter of described upper end.
Compare with correlation technique, motor of the present invention, the cradle portion of described mount pad and described bearing pedestal split arrange, and are convenient to manufacture and cost low, and have effectively improved on the whole the impact resistant capability of motor, and security performance is good and useful life is longer.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of motor of the present invention, has wherein omitted the coil of stator.
Fig. 2 is the stereogram of motor of the present invention.
Fig. 3 is the stereogram of the mount pad of motor of the present invention.
Fig. 4 is the mount pad three-dimensional exploded view of motor of the present invention.
Fig. 5 is the three-dimensional exploded view that motor of the present invention has omitted rotor, has wherein omitted the coil lead of stator.
Fig. 6 is the three-dimensional exploded view that motor of the present invention has omitted another visual angle of rotor, has wherein omitted the coil lead of stator.
Fig. 7 is the stator of motor of the present invention and the stereogram of mount pad, has wherein omitted the coil of stator.
Fig. 8 is the cutaway view of motor of the present invention.
Fig. 9 is the stereogram of the stator of motor of the present invention.
Figure 10 is the three-dimensional exploded view of the rotor of motor of the present invention.
Figure 11 is the assembling schematic diagram of the protection structure of motor of the present invention and the lead wire set of stator.
Figure 12 is the schematic cross-section of the lead wire set of the protection encapsulated by structures stator of motor of the present invention.
Figure 13 is the three-dimensional exploded view of the mount pad of motor related to the present invention.
[embodiment]
Below in conjunction with accompanying drawing, motor 100 of the present invention is elaborated.
Described motor 100 can be for driving the screw of aircraft.As depicted in figs. 1 and 2, described motor 100 comprises mount pad 1, is fixed on stator 2, the rotor 4 rotating with respect to described stator 2 and the rotation axis 3 being connected with described rotor 4 on described mount pad 1.
As shown in Figure 3 to Figure 4, described mount pad 1 comprises cradle portion 5 and the bearing pedestal 6 being connected with described cradle portion 5.Manufacture and cost for ease of described mount pad 1 are low, described cradle portion 5 and the 6 split settings of described bearing pedestal.
Described cradle portion 5 is provided with rack body 51, be positioned on described rack body 51 for accommodating the accepting hole 52 of described bearing pedestal 6 and being positioned at the some losss of weight portion 53 arranging on described rack body 51 and around described accepting hole 52.Described accepting hole 52 is positioned at the middle part of described rack body 51, for coordinating and be connected with described bearing pedestal 6.Described accepting hole 52 can be blind hole, can be also through hole, as long as play the effect of accommodating described bearing pedestal 6.In present embodiment, described accepting hole 52 is through hole.Described loss of weight portion 53 can be blind hole, through hole or breach, as long as can reduce the weight of described cradle portion 5.
As shown in Figures 3 to 8, described bearing pedestal 6, is open column shape, and it comprises bottom 61 in the described accepting hole 52 that is housed in described cradle portion 5, upper end 62 and the connecting portion 63 that is connected described bottom 61 and described upper end 62 away from described cradle portion 5.
Described connecting portion 63 comprises connecting wall 631 and is enclosed the receiving space 632 forming by described connecting wall 631.
Described upper end 62 comprises the wall extension 621 that extends to direction away from described receiving space 632 from described connecting wall 631, from described wall extension 621 to the upper wall 622 extending away from described connecting wall 631 bendings, and jointly enclose by described wall extension 621 and described upper wall 622 the upper accepting groove 623 forming.Preferably, described wall extension 621 can omit, and described upper wall 622 is radiated entends from described connecting wall 631.
Described bottom 61 comprises the contacting wall 611 of extending to the direction near described receiving space 632 away from one end of described upper end 62 from described connecting wall 63, from described contacting wall 611 to the assembly wall 612 extending away from 62 bendings of described upper end and jointly enclose by described contacting wall 611 and described assembly wall 612 the lower accepting groove 613 forming.The bearing of trend of described wall extension 621 is contrary with the bearing of trend of described contacting wall 611; The bearing of trend of described upper wall 622 is also contrary with the bearing of trend of described assembly wall 612.
Described upper accepting groove 623, described receiving space 632 and described lower accepting groove 613 communicate respectively successively, for guaranteeing that described rotation axis 3 inserts wherein.The internal diameter of described upper accepting groove 623 is greater than respectively the internal diameter of described receiving space 632 and described lower accepting groove 613; The internal diameter of described receiving space 632 is greater than the internal diameter of described lower accepting groove 613.In other words: along the axial projection of described rotation axis 3, the inner surface of described connecting wall 631 drops in described upper accepting groove 623; The inner surface of described lower accepting groove 613 drops in described receiving space 632; The outer surface of the connecting wall 631 of described connecting portion 63 drops in the outer surface of described upper end 62 to the projection of described upper end 62 directions from described connecting portion 63, and the external diameter of described connecting portion 63 is less than the external diameter of described upper end 62.
In present embodiment, the described contacting wall 611 of described bottom 61 is extended to the described receiving space 632 near described connecting portion 63, and like this, described contacting wall 611 is connected on described rack body 51; The inner surface interference engagement of the described accepting hole 52 of the outer surface of described assembly wall 612 and described cradle portion 5, thus the stability that described bearing pedestal 6 is connected with described cradle portion 5 improved.In other words, the internal diameter of the external diameter of described assembly wall 612 and described accepting hole 52 is suitable with tight or interference fit, the external diameter of described connecting wall 631 is greater than the internal diameter of (or being slightly larger than) described accepting hole 52, and described contacting wall 611 is connected on described rack body 51, realize the effect of location, prevent that connecting portion 63 is through described accepting hole 52.
Described motor 100 also comprises the upper bearing (metal) 71 being housed in described upper accepting groove 623 and is housed in the lower bearing 72 in described lower accepting groove 613.The internal diameter of described upper accepting groove 623 is greater than respectively the internal diameter of described receiving space 632 and described lower accepting groove 613, therefore the external diameter of described upper bearing (metal) 71 is also greater than the external diameter of described lower bearing 72.The structure of selecting described upper bearing (metal) 71 and described lower bearing 72 to coordinate in present embodiment makes described rotation axis 3 be rotatedly connected with described mount pad 1.In other selectable execution modes, can use separately described upper bearing (metal) 71 to realize the fixing of rotation axis 3, or described upper bearing (metal) 71 and described lower bearing 72 can omit, described rotation axis 3 is directly rotatably assorted with described bearing pedestal 6.
In other selectable execution modes, described contacting wall 611 can be omitted, and directly utilizes described assembly wall 612 and the inner surface of described accepting hole 52 to interfere.Like this, the internal diameter of described receiving space 632 is identical with the internal diameter of described lower accepting groove 613, thereby increases the size that is housed in the lower bearing 72 in lower accepting groove 613, improves the stability of described motor 100.In other words, described bottom 61 can be omitted, and described connecting portion 63 is directly inserted in the described accepting hole 52 of described cradle portion 5; Or connecting portion 63 is directly connected with described rack body 51, be not inserted in described accepting hole 52, for example welding or adhesion etc.
Described rotation axis 3 is rotatedly connected with described mount pad 1, it comprise be housed in the described upper end 62 of described bearing pedestal 6 and be inserted in upper axial region 31 in described upper bearing (metal) 71, the connecting axle 33 of the through hole 415 through described rotor 4 that is inserted in respectively the lower shaft portion 32 in described receiving space 632 and described lower bearing 72 and extends from the other end of described upper axial region 31 that extends from one end of described upper axial region 31.The external diameter of described upper axial region 31 is greater than the external diameter of described lower shaft portion 32; Described connecting axle 33 is for being fixedly connected with the screw of described aircraft.
Please further consult shown in Fig. 9, described stator 2 comprises that coil rack 21(is shown in Fig. 6) and the some coil 22(that are wrapped on described coil rack 21 see Fig. 6), specifically, described coil rack 21 comprises the resettlement section 211 of the hollow for accommodating described bearing pedestal 6, extends to the direction scattering away from described resettlement section 211 from described resettlement section 211 some support portions 212 and the outer part 213 being connected with the end of each described support portion 212.Wherein, a pair of coil lead (not shown) that any described coil 22 is provided with body 220 and draws respectively from the two ends of described body 220.A pair of coil lead described in present embodiment comprises a head end coil lead (not shown) and an end coil lead-in wire (not shown).When assembling, described coil 22 is wrapped in respectively on the described support portion 212 of described coil rack 21, and relies on the described resettlement section 211 of described coil rack 21 and described outer part 213 to realize it to be connected with the firm of described coil rack 21.In present embodiment, described stator 2 is provided with 12 support portions 212, and correspondingly, each described support portion 212 is provided with a described coil 22, is provided with 12 described coils 22.Any described coil 22 is provided with a head end coil lead and an end coil lead-in wire, therefore the stator 2 of present embodiment is provided with 12 head end coil leads and 12 end coil lead-in wires.These head end coil leads and end coil lead-in wire form 3 groups of lead wire set 26 of composition by triangle or star connection.In selectable execution mode, for forming 3 groups of lead wire set 26, described stator 2 at least comprises three described coils 22, thus three pairs of described coil leads of composition.
Please further consult shown in Figure 10, described rotor 4 comprises upper cover 41, is fixed on the outer cover 42 of described upper cover 41 and at least one magnet steel 43 being connected with described upper cover 41.Sidewall 412 that described upper cover 41 comprises cover plate 411, extend from 411 bendings of described cover plate, be positioned on described sidewall 412 for some support slots 413 of fixing described magnet steel 43 and be positioned at the some ventilation holes 414 on described cover plate 411 and/or described sidewall 412.Described cover plate 411 be provided with run through on it for accommodating the through hole 415 of described rotation axis 3.In present embodiment, described rotor 4 is provided with some magnet steel 43, and all magnet steel 43 are all fixed on described upper cover 41 and are connected in described outer cover 42.In fact, described magnet steel 43 is not limited to be connected with described upper cover 41.When assembling, the inner surface of described outer cover 42 is fixed on the outer surface of described sidewall 412; Some described magnet steel 43 are separately fixed on corresponding described support slot 413 and are connected on the inner surface of outer cover 42.
Described magnet steel 43, is block or watt shape, and its material can be Nd-Fe-B rare earth permanent magnetic material, but is not limited to this permanent magnetic material.The number of magnetic poles of magnet steel 43 described in present embodiment is 28 utmost points, and its N, S interpolar are bonded in the inner side of described outer cover 42 every setting.Described outer cover 42 is made up of permeability magnetic material.In other selectable execution modes, described outer cover can omit, and the electromagnetic field that directly utilizes the described coil of the described stator of described magnet steel and energising to form is realized the rotation of described rotor; Or described support slot 413 also can omit, it is also feasible that described magnet steel is directly sticked at the inner surface of the described sidewall of described upper cover.
It should be noted that, in a preferred embodiment, described motor 100 also comprises the protection structure 8 that is positioned at described rotor 4 belows (rotor 4 closes on the position of mount pad 1).Described protection structure 8 directly contacts with the coil lead (not indicating) of described stator 2 or the lead wire set 26 being made up of coil lead in order to prevent described rotor 4, thus protection coil lead or described lead wire set 26.In present embodiment, described protection structure 8 comprises protection body 81, run through the fairlead 83 that the insert port 82 of described protection body 81 and at least one run through described protection body 81.Described protection structure 8 is by insulating and/or wear-resisting material is made.Described high-abrasive material, can prevent that described coil lead or described lead wire set 26 from wearing and tearing; Described insulating material can prevent the phenomenon being short-circuited after described coil lead or described lead wire set 26 are worn and torn by described rotor 4.Described insert port 82 communicates with the described accepting hole 52 of described cradle portion 5, for accommodating the described lower shaft portion 32 of described bearing pedestal 6 and described rotation axis 3 of described mount pad 1.Described fairlead 83 is less than the internal diameter of described rotor 4 to the distance at described insert port 82 centers, for guaranteeing that described rotor 4 does not directly contact with coil lead or described lead wire set 26; Preferably, described fairlead 83 is to the center of described rotation axis 3(that is insert port 82 centers or described rotor 4) the distance of axis be less than the internal diameter of outer part 213, further to prevent sharp corners or the wearing and tearing of seamed edge to described lead wire set 26 of outer part 213.Specifically, as shown in Fig. 6, Fig. 8 and Figure 11, in present embodiment, described lead wire set 26 or described coil lead comprise the lead division 261 of the close described rotation axis 3 of drawing from described body 220 and from described lead division 261 to away from described rotation axis 3 insertion section being electrically connected with external power source 262 that extend.When assembling, described lead division 261 is positioned at the below of stator 2 and the top of protection body 81; And described fairlead 83 is less than the internal diameter of described rotor 4 to the distance of the axis of described rotation axis 3, described like this lead division 261 is avoided contacting with the inner surface of magnet steel 43 or the outer part 213 etc. of described rotor 4 by the position-limiting action of fairlead 83; Direction from described stator 2 to described cradle portion 5, described insertion section 262 is inserted into the below of protection body 81 from the top of protection body 81 from described fairlead 83.Understandable, by blocking of described protection body 81, described insertion section 262 also can not contact with described rotor 4.In addition, after assembling, the described lead division 261 of described lead wire set 26, between described stator 2 and described protection body 81, takes full advantage of described stator 2 and the protection existing space of body 81, guarantees the miniaturization of described motor 100.The described lead wire set 26 of present embodiment, by adopting this cabling mode, can be protected described lead wire set 26 effectively, indirectly guarantees the stability of motor 100.
In the selectable execution mode of another kind; described fairlead 83 can omit; described lead wire set 26 is between described protection body 81 and described rack body 51; for example described lead wire set 26 is directly carried out cabling via insert port 82; by blocking of described protection body 81; described lead wire set 26 can directly not contact with described rotor 4, thereby protects described lead wire set 26.
Described in present embodiment, protect structure 8 to be connected with described stator 2 with mount pad 1 respectively.In fact, described protection structure 8 can only be connected with one of described mount pad 1 or described stator 2.In the time that described protection structure 8 is only connected with described stator 2; described protection structure 8 can directly overlay the outer surface of described lead wire set 26 or directly overlay the outer surface of each coil lead, then or described protection structure 8 be fixed on the described coil rack 21 of described stator 2 and cover described coil lead or described lead wire set 26.In addition, described protection structure 8 can also be one-body molded with described mount pad 1 or described stator 2.
In addition, each lead wire set 26 that described protection structure 8 also can directly be wrapped up each coil lead or be made up of coil lead.As shown in figure 12, described protection structure 8 ' is directly wrapped up any described lead wire set 26.
Described motor 100 also comprises that the described lower shaft portion 32 that is connected to respectively described rotation axis 3 is away from the jump ring 91 on described upper end 62 and the copper sheathing 92 between described jump ring 91 and described lower bearing 72.Described lower bearing 33, described copper sheathing 92 and described jump ring 91 coordinate jointly, realize described rotation axis 3 fixing with respect to described mount pad 1 time, also can realize the rotation of described rotation axis 31 with respect to described mount pad 1.
The assembling process of described stator 2, described upper bearing (metal) 71, described lower bearing 72 and described mount pad 1 is:
First, direction along the described connecting portion 63 of described bearing pedestal 6 to described upper end 62, the described resettlement section 211 of described stator 2 is sheathed on the described connecting portion 63 of described bearing pedestal 6 from the described bottom 61 of described bearing pedestal 6, makes the resettlement section 211 of described stator 2 be connected to respectively the outer surface of the outer surface of described connecting portion 63 and the described wall extension 621 of described upper end 62.
Secondly, the described bearing pedestal 6 that is equipped with described stator 2 is connected with described cradle portion 5, the described contacting wall 611 of the described bottom 61 of described bearing pedestal 6 is connected on described rack body 51; The outer surface of described assembly wall 612 is connected to the inner surface of the described accepting hole 52 of described cradle portion 5.
Again, use tool to knock the described assembly wall 612 of described bottom 61.Be specially: use tool to knock the inner surface of described assembly wall 612 towards described lower accepting groove 613, emphasis knocks the inner surface away from described connecting portion 63 on described assembly wall 612, force the stressed expansion of described assembly wall 611 to extend out distortion, make the internal diameter of described lower accepting groove 613 become large, the most described assembly wall 612 is fixedly connected with described accepting hole 52 interference fit.The described bottom 61 of described like this bearing pedestal 6 is clamped in the described accepting hole 52 of described cradle portion 5, can not become flexible.Wherein, described tool is any instrument that can beat described bottom 61.Preferably, from the one end away from the described connecting portion 63 of described bearing pedestal 6, to the one end near described connecting portion 63, the internal diameter of described accepting hole 52 dwindles gradually, thereby described assembly wall 612 is clamped in described accepting hole 52.Particularly, the tapered setting of the inner surface of described accepting hole 52.
Then, described upper bearing (metal) 71 is pressed in the described upper accepting groove 623 of described upper end 62; Described lower bearing 72 is pressed in the described lower accepting groove 613 of described bottom 61.Certainly, understandable, the present invention also comprises the steps such as described rotation axis 3 is installed, and within the art personnel hold intelligible scope, does not carefully state.
It should be noted that, in other embodiments, can first described lower bearing 72 be pressed in the described lower accepting groove 613 of described bottom 61, and then knock the described assembly wall 612 of described bottom 61 with tool.Here, the outer surface of the inner surface of described assembly wall 612 and described lower bearing 72 at intervals,, the outer surface of the inner surface of described lower accepting groove 613 and described lower bearing 72 at intervals, knocks described assembly wall 612 so that tool stretches in described lower accepting groove 613.The part that described lower bearing 72 can rely on described rotation axis 3, do not knocked at the interior glue coating of described lower accepting groove 613 or described assembly wall 612 realizes and being fixedly connected with of described rotation axis 3 or described mount pad 1.For convenience of dismounting, be difficult for using the part of being knocked on described assembly wall 612 to locate described lower bearing 72.In addition, the step that described upper bearing (metal) 71 is pressed into described upper end 62 does not have special sequence requirement.
Motor of the present invention, the described cradle portion of described mount pad and described bearing pedestal split arrange, and described stator can be sheathed on described bearing pedestal from described bottom.The inner surface of described connecting wall drops in described upper accepting groove to the projection of described upper end direction from described connecting portion, the outer surface of described connecting portion drops in the outer surface of described upper end to the projection of described upper end direction from described connecting portion, under the prerequisite of thickness of described upper wall that guarantees described upper end, described upper end is not limited by the internal diameter of the described resettlement section of described stator can, now, the internal diameter of described resettlement section can be less than the external diameter of described upper end.Than existing design, the internal diameter of described upper accepting groove can be arranged to large scale, and then corresponding described upper bearing (metal) and/or the described upper axial region of described rotation axis also can adopt large scale.Thereby improve the overall impact resistant capability of described motor.And described motor of the present invention is convenient to install and is significantly cost-saving, 7 of a prior art yuan cost can be dropped to 2 yuan of left and right.Motor described in embodiments of the present invention, described in it, rotor is the described magnet steel of outside; Described stator is the described coil of the inside, and described coil and described mount pad are fixedly linked.In other selectable execution modes, described rotor can be that described coil, the described stator of the inside is the described magnet steel of outside, and described coil and described mount pad are rotatedly connected; Or described coil is outside as described rotor, and described magnet steel is also feasible in the interior structure as described stator; Or described coil is outside as described stator, and described magnet steel is also feasible in the interior structure as described rotor.
The foregoing is only preferred embodiments of the present invention; protection scope of the present invention is not limited with above-mentioned execution mode; in every case the equivalence that those of ordinary skills do according to disclosed content is modified or is changed, and all should include in the protection range of recording in claims.
Claims (9)
1. a motor, it comprises mount pad, described mount pad comprises cradle portion and the bearing pedestal being connected with described cradle portion, it is characterized in that: described cradle portion and described bearing pedestal split arrange.
2. motor as claimed in claim 1, it is characterized in that: described bearing pedestal comprises that connecting portion is connected with described connecting portion and away from the upper end of described cradle portion, the receiving space that described connecting portion comprises connecting wall and enclosed by described connecting wall, described upper end comprises and is provided with accepting groove, the inner surface of described connecting wall drops in described upper accepting groove to the projection of described upper end direction from described connecting portion, and the outer surface of described connecting portion drops in the outer surface of described upper end to the projection of described upper end direction from described connecting portion.
3. motor as claimed in claim 2, it is characterized in that: described upper end also comprise the wall extension that extends to direction away from described receiving space from described connecting wall and from described wall extension to the upper wall extending away from described connecting wall bending, described upper accepting groove is jointly enclosed and forms by described wall extension and described upper wall.
4. motor as claimed in claim 2, it is characterized in that: described motor also comprises the rotation axis being rotatedly connected with described mount pad, described rotation axis comprises upper axial region in the described upper accepting groove that is inserted in described upper end and is inserted in the lower shaft portion in the described receiving space of described connecting portion, and the external diameter of described upper axial region is greater than the external diameter of described lower shaft portion.
5. motor as claimed in claim 2, is characterized in that: described cradle portion is provided with accepting hole, and described bearing pedestal also comprises the bottom that is connected with described connecting wall and is inserted in described accepting hole.
6. motor as claimed in claim 5, it is characterized in that: described bottom is provided with lower accepting groove, described motor also comprises the upper bearing (metal) that is housed in described upper accepting groove and is housed in the lower bearing in described lower accepting groove, and the external diameter of described upper bearing (metal) is greater than the external diameter of described lower bearing.
7. motor as claimed in claim 5, is characterized in that: from one end to close described connecting portion away from described connecting portion one end, the internal diameter of described accepting hole dwindles gradually.
8. the motor as described in claim 2-7 any one; it is characterized in that: described motor also comprises the stator that is fixed on described mount pad and the rotor of relative and described stator rotation; described stator comprises at least one pair of coil lead; described motor also comprises and is positioned at described rotor below and is fixed on the protection structure on described mount pad and/or described stator, and described protection structure directly contacts with described coil lead in order to prevent described rotor.
9. motor as claimed in claim 8, is characterized in that: described stator comprises the resettlement section of hollow, and the internal diameter of described resettlement section is less than the external diameter of described upper end.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200991.3A CN106787389B (en) | 2014-01-21 | 2014-01-21 | Motor and aircraft |
| CN201410026274.8A CN103795174B (en) | 2014-01-21 | 2014-01-21 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026274.8A CN103795174B (en) | 2014-01-21 | 2014-01-21 | Motor |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611200991.3A Division CN106787389B (en) | 2014-01-21 | 2014-01-21 | Motor and aircraft |
Publications (2)
| Publication Number | Publication Date |
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| CN103795174A true CN103795174A (en) | 2014-05-14 |
| CN103795174B CN103795174B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410026274.8A Expired - Fee Related CN103795174B (en) | 2014-01-21 | 2014-01-21 | Motor |
| CN201611200991.3A Expired - Fee Related CN106787389B (en) | 2014-01-21 | 2014-01-21 | Motor and aircraft |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611200991.3A Expired - Fee Related CN106787389B (en) | 2014-01-21 | 2014-01-21 | Motor and aircraft |
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| Country | Link |
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| CN (2) | CN103795174B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115244830A (en) * | 2020-08-26 | 2022-10-25 | 三菱电机株式会社 | Rotating electrical machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207339480U (en) * | 2017-08-31 | 2018-05-08 | 深圳市大疆创新科技有限公司 | The stator and motor and aircraft of motor |
| CN108834430B (en) * | 2017-11-30 | 2021-06-22 | 深圳市大疆创新科技有限公司 | Be applied to unmanned vehicles's motor structure, power component and unmanned vehicles |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6300695B1 (en) * | 1999-07-29 | 2001-10-09 | Encap Motor Corporation | High speed spindle motor with hydrodynamic bearings |
| CN1441530A (en) * | 2002-02-26 | 2003-09-10 | 东京零件工业股份有限公司 | Fluid bearing mechanism and brushless motor with said fluid bearing mechanism |
| CN200994089Y (en) * | 2006-12-13 | 2007-12-19 | 建凖电机工业股份有限公司 | Motor rotating shaft limiting structure |
| CN101714795A (en) * | 2008-10-06 | 2010-05-26 | 建准电机工业股份有限公司 | Motor |
| CN103227528A (en) * | 2012-01-27 | 2013-07-31 | 哈米尔顿森德斯特兰德公司 | Generator ball bearing support |
| CN203800730U (en) * | 2014-01-21 | 2014-08-27 | 深圳市大疆创新科技有限公司 | Motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3155363B2 (en) * | 1992-07-14 | 2001-04-09 | 日本電産株式会社 | Spindle motor |
| US5850318A (en) * | 1995-06-06 | 1998-12-15 | Seagate Technology, Inc. | Slotless spindle motor for disc drive |
| KR100986684B1 (en) * | 2007-11-12 | 2010-10-11 | 엘지이노텍 주식회사 | Spindle motor |
| KR101153519B1 (en) * | 2010-11-22 | 2012-06-11 | 삼성전기주식회사 | Base assembly for motor and motor including the same |
| KR101801822B1 (en) * | 2011-12-23 | 2017-11-27 | 주식회사 히타치엘지 데이터 스토리지 코리아 | Spindle motor |
-
2014
- 2014-01-21 CN CN201410026274.8A patent/CN103795174B/en not_active Expired - Fee Related
- 2014-01-21 CN CN201611200991.3A patent/CN106787389B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6300695B1 (en) * | 1999-07-29 | 2001-10-09 | Encap Motor Corporation | High speed spindle motor with hydrodynamic bearings |
| CN1441530A (en) * | 2002-02-26 | 2003-09-10 | 东京零件工业股份有限公司 | Fluid bearing mechanism and brushless motor with said fluid bearing mechanism |
| CN200994089Y (en) * | 2006-12-13 | 2007-12-19 | 建凖电机工业股份有限公司 | Motor rotating shaft limiting structure |
| CN101714795A (en) * | 2008-10-06 | 2010-05-26 | 建准电机工业股份有限公司 | Motor |
| CN103227528A (en) * | 2012-01-27 | 2013-07-31 | 哈米尔顿森德斯特兰德公司 | Generator ball bearing support |
| CN203800730U (en) * | 2014-01-21 | 2014-08-27 | 深圳市大疆创新科技有限公司 | Motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115244830A (en) * | 2020-08-26 | 2022-10-25 | 三菱电机株式会社 | Rotating electrical machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106787389B (en) | 2019-10-01 |
| CN103795174B (en) | 2017-02-15 |
| CN106787389A (en) | 2017-05-31 |
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