CN208904811U

CN208904811U - Motor

Info

Publication number: CN208904811U
Application number: CN201821305341.XU
Authority: CN
Inventors: 钟艳礼; 苏文兵; 陶师正; 万小康
Original assignee: Dongguan Billion Intelligent Technology Co Ltd
Current assignee: Guangdong ePropulsion Technology Co Ltd
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2019-05-24
Anticipated expiration: 2028-08-13

Abstract

The utility model provides a kind of motor, it includes stator and the rotor for being assemblied in stator, and stator includes stator base, the axle sleeve extended to form by stator base, the bearing being embedded in axle sleeve, the stator winding for being arranged the stator core and wound stator core that are fixed on axle sleeve；Rotor includes the rotor case being in the form of a column for being assemblied in stator base, from the axially extending armature spindle of rotor case and is attached to the rotor magnet of rotor case inner wall；Rotor case is sheathed on stator core and rotor magnet and stator core relative spacing is arranged, armature spindle is inserted in axle sleeve and assembles with bearing, motor further includes the sand prevention part made of elastic material, and sand prevention part is formed to be interference fitted and to be formed between stator base and rotor case with stator base and rotor case simultaneously and be sealed.Compared with the relevant technologies, the anti-dust performance of motor waterproof of the utility model is good, environmental suitability is strong.

Description

Motor

[technical field]

The utility model relates to technical field of motors more particularly to a kind of anti-dust motors of waterproof.

[background technique]

In recent years, more and more underwater products enter the visual field of the public, and motor is even more as a kind of driving device It is widely deployed in all kinds of underwater products.There are mainly two types of submersible machines: inner rotor motor and external rotor electric machine.It is underwater at present The anti-dust technics comparing of inner rotor motor waterproof is mature, and use is most wide；And external rotor electric machine is substantially without preferable protectiving scheme, Or do not make protective treatment, cause impurities in water intrusion motor to seriously affect the normal use of motor and shorten motor Service life.

Though suitable environment ability is strong however, inner rotor motor has preferable leakproofness, and the performances such as waterproof is anti-dust are excellent More, but structure is complicated, at high cost, and volume is big, is unfavorable for practical selection；In comparison outer rotor motor structure is simple, heat dissipation Property it is good, at low cost, but the anti-dust performance of waterproof is insufficient, environmental suitability is weak.

Therefore, it is really necessary to provide a kind of motor of new underwater outer-rotor structure to solve above-mentioned technical problem.

[utility model content]

The anti-dust and strong environmental suitability motor the purpose of this utility model is to provide a kind of waterproof.

In order to achieve the above objectives, the utility model provides a kind of motor comprising stator and turn for being assemblied in the stator Son, the stator include stator base, the axle sleeve extended to form by the stator base, the bearing being embedded in the axle sleeve, It is arranged the stator core for being fixed on the axle sleeve and winds the stator winding of the stator core；The rotor includes being assemblied in institute It states the rotor case of stator base being in the form of a column, from the axially extending armature spindle of the rotor case and be attached to the rotor case The rotor magnet of inner wall；The rotor case is sheathed on the stator core and keeps the rotor magnet opposite with the stator core Interval setting, the armature spindle are inserted in the axle sleeve and assemble with the bearing, and the motor further includes by elastic material Manufactured sand prevention part, the sand prevention part formed simultaneously with the stator base and the rotor case be interference fitted and make it is described fixed Sealing is formed between sub- pedestal and the rotor case.

Preferably, the sand prevention part be fixed on the stator base and with the relative rotation of rotor.

Preferably, the sand prevention part is fixed on the rotor case and relatively rotates with the stator.

Preferably, the interference fit face of the stator base and the rotor case and the sand prevention part is respectively the stator Pedestal along the end face of motor axial direction and the end face along motor axial direction of the rotor case.

Preferably, the interference fit face of the stator base and the rotor case and the sand prevention part is respectively the stator Pedestal along the end face of motor radial direction and the end face along motor radial direction of the rotor case.

Preferably, the sand prevention part includes multiple, and multiple sand prevention parts are folded set side by side.

Preferably, the sand prevention part is annular, and cross section is T-shaped or bending-type.

Preferably, the rotor case includes rounded bottom wall and extends from the bending of the edge of the bottom wall annular in shape Side wall, the armature spindle are arranged in the center of the bottom wall and extend along the axial direction of the motor, the rotor magnetic Iron is sticked on the inner surface of the side wall.

Preferably, the rotor magnet includes multiple, multiple rotor magnet equidistantly distributeds.

Preferably, the stator and the rotor pass through the formation water seal of infusion epoxy resin forming seal layer.

Compared with the relevant technologies, the motor of the utility model increases a sand prevention part at rotor case between stator, The sand prevention part structure is simple, and manufacturing cost is low, and production and assembly are convenient.The sand prevention part has certain elasticity, due to elastomer There are biggish compression surplus and compatibility, the assembly precision requirement of part can be substantially reduced, to simplify the production work of motor Skill reduces cost；The sand prevention part and stator and rotor take interference fit simultaneously, this kind of fit system make stator and rotor it Between form closed loop, to improve the leakproofness of motor；The stator and the rotor are formed by infusion epoxy resin simultaneously Sealant forms water seal, and the waterproof sealing layer formed under this kind of structure is not easy to wear, and good waterproof performance, good corrosion resistance finally makes The anti-dust performance of the waterproof of the motor is good and environmental suitability is strong.

[Detailed description of the invention]

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is the stereochemical structure exploded view of the embodiment 1 of the utility model motor；

Fig. 2 is the rotor schematic perspective view of the utility model motor；

Fig. 3 is the stator schematic perspective view of the utility model motor；

Fig. 4 be the utility model motor embodiment 1, embodiment 2 along rotor bottom wall front view；

Fig. 5 be the utility model motor embodiment 1 along the sectional view of A-A；

Fig. 6 is the stereochemical structure exploded view of the embodiment 2 of the utility model motor；

Fig. 7 be the utility model motor embodiment 2 along the sectional view of A-A；

Fig. 8 is front view of the embodiment 3 along rotor bottom wall of the utility model motor；

Fig. 9 be the utility model motor embodiment 3 along the sectional view of A-A.

[specific embodiment]

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Please join shown in Fig. 1-3 simultaneously, the utility model provides a kind of motor 100, including rotor 1, stator 2 and sand prevention part 3。

The rotor 1 include the rotor case 11 being in the form of a column, from the axially extending armature spindle 12 of the rotor case 11 and It is attached to the rotor magnet 13 of 11 inner wall of rotor case.

Specifically, the rotor case 11 is including rounded bottom wall 111 and from the edge of the bottom wall 111 to the stator The side wall 112 annular in shape that 2 direction bending extends；The rotor magnet 13 is including multiple, and equidistantly distributed is described respectively The side of side wall 112, the outer surface of the rotor magnet 13 are the globoidal structure to fit with the inner surface of the side wall 112, So that the rotor magnet 13 is closely attached on the inner surface of the side wall 112.

The stator 2 include stator base 21, the axle sleeve (not shown) extended from the stator base 21, be embedded at it is described Bearing 22 in axle sleeve, the stator winding for being arranged the stator core 24 for being fixed on the axle sleeve and the winding stator core 24 23。

Specifically, the stator core 24 is corresponded with the rotor ferromagnetic 13,23 radioactivity of stator winding point Cloth is in the side of the bearing 22.The stator core 24 is strip laminated structure, the long axis direction of the stator core 24 Along the axial direction of the motor 100.

The sand prevention part 3 is made of elastic material, can be with since elastic material has very big compression surplus and compatibility The assembly precision requirement of part is greatly reduced, to simplify the production technology of the external rotor electric machine 100, reduces its production Cost.

The sand prevention part 3 is annular, and sand prevention part 3 described in embodiment as described below is one.Certainly, the sand prevention Part 3 also may include it is multiple, multiple sand prevention parts 3 side by side fold sets, to promote the sand prevention performance of the motor 100.

The sand prevention part 3 is formed with the rotor 1 and the stator 2 simultaneously to be interference fitted, this kind of fit system makes described Closed loop is formed between stator 2 and the rotor 1, to improve the leakproofness of motor, finally makes the underwater external rotor electric Machine 100 has excellent anti-dust performance, while environmental suitability is strong.

Specifically, the sand prevention part 3 is fixed on the stator base 21 and relatively rotates with the rotor 1.Certainly, unlimited In this, the sand prevention part 3 is also securable to the rotor case 11 and relatively rotates with the stator 2.

Embodiment 1

In present embodiment, the sand prevention part 3 is fixed on the stator base 21 and relatively rotates with the rotor 1.Please Join shown in Fig. 1,4 and 5 simultaneously, when the sand prevention part 3 is with the rotor 1 and 2 elastic conjunction of stator, 3 sets of the sand prevention part If being fixed on the stator base 21, then it is interference fitted with the inner surface of the rotor 1, at this time the stator base 21 and institute The interference fit face for stating rotor case 11 and the sand prevention part 3 is respectively the end face radial along motor 100 of the stator base 21 And the end face radial along motor 100 of the rotor case 11, cross section are in bending-type, and radially compressed.The rotor The bearing 22 is inserted into 12 one end of axis, and the other end is inserted into the axle sleeve that the stator base 21 extends to form, the stator base 21 It is formed and is sealed with the rotor case 11, the sand prevention part 3 is contained in the gap of the stator base 21 and the rotor case 11.

Embodiment 2

In present embodiment, the sand prevention part 3 is fixed on the stator base 21 and relatively rotates with the rotor 1.Please Join shown in Fig. 4,6 and 7 simultaneously, when the sand prevention part 3 is with the rotor 1 and 2 elastic conjunction of stator, 3 sets of the sand prevention part If being fixed on the stator base 21, while end face interference fit also opposite with the stator 2 and the rotor 1, at this time institute The interference fit face for stating stator base 21 and the rotor case 11 and the sand prevention part 3 is respectively the stator base 21 along electricity The axial end face of machine 100 and the end face axial along motor 100 of the rotor case 11, cross section are in bending-type.Such as it can With bending funnel and rotor engagement, and in axial compression, therefore can be with sand prevention.The axis is inserted into described 12 one end of armature spindle Hold 22, the other end is inserted into the axle sleeve that the stator base 21 extends to form, the sand prevention part 3 and the stator base 21 and described Rotor case 11 forms sealing.

Embodiment 3

In present embodiment, the sand prevention part 3 is fixed on the rotor 1 and relatively rotates with the stator base 21.Please Join shown in Fig. 8 and 9 simultaneously, when the sand prevention part 3 is with the rotor 1 and 2 elastic conjunction of stator, the sand prevention part 3 is arranged It is fixed on the rotor case 11, while end face interference fit also opposite with the stator 2 and the rotor 1, it is described at this time fixed The interference fit face of sub- pedestal 21 and the rotor case 11 and the sand prevention part 3 is respectively the stator base 21 along motor 100 radial end faces and the end face radial along motor 100 of the rotor case 11, cross section are T-shaped.Sand prevention part can at this time To be designed as funnel-form and rotor engagement, and in radially compressed, realization sand prevention.The bearing is inserted into described 12 one end of armature spindle 22, the other end is inserted into the axle sleeve that the stator base 21 extends to form, the sand prevention part 3 and the stator base 21 and described turn Sub- shell 11 forms sealing.

In galvanization, the stator winding 23 generates electric current, so that the stator core 24 is generated magnetic by magnetic field effect , have magnetic field force between the stator core 24 and the rotor magnet 13, drive the rotor 1 with the armature spindle 12 be turn Axis is rotated around the stator 2.The motor 100 is in operation due to the sand prevention part 3 and the rotor case 11 and described Stator base 21 is interference fitted, and will not influence the leakproofness of motor, while the sand prevention part 3 is also equipped with certain elasticity, also The part that sand prevention part itself is contacted with it with the stator 2 and the rotor 1 will not be worn.

The stator 2 forms water seal by infusion epoxy resin forming seal layer with the rotor 1, is formed under this kind of structure Waterproof sealing layer it is not easy to wear, good waterproof performance, good corrosion resistance, securely and reliably, and use infusion epoxy resin forming seal Layer, cost is relatively low, is convenient for mechanization production.

Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical Novel protection scope.

Claims

1. a kind of motor comprising stator and the rotor for being assemblied in the stator, the stator includes stator base, by described fixed Axle sleeve that sub- pedestal extends to form, is arranged the stator core for being fixed on the axle sleeve and twines the bearing being embedded in the axle sleeve Around the stator winding of the stator core；The rotor includes the rotor case being in the form of a column for being assemblied in the stator base, from institute It states the axially extending armature spindle of rotor case and is attached to the rotor magnet of the rotor case inner wall；The rotor case is sheathed on The rotor magnet and the stator core relative spacing simultaneously is arranged in the stator core, and the armature spindle is inserted in the axis It is assembled in set and with the bearing, which is characterized in that the motor further includes the sand prevention part made of elastic material, the sand prevention Part formed simultaneously with the stator base and the rotor case be interference fitted and make the stator base and the rotor case it Between formed sealing.

2. motor according to claim 1, which is characterized in that the sand prevention part be fixed on the stator base and with it is described Relative rotation of rotor.

3. motor according to claim 1, which is characterized in that the sand prevention part be fixed on the rotor case and with it is described fixed Son relatively rotates.

4. motor according to claim 1, which is characterized in that the stator base and the rotor case and the sand prevention part Interference fit face be respectively the stator base along motor axial direction end face and the rotor case it is axial along motor End face.

5. motor according to claim 1, which is characterized in that the stator base and the rotor case and the sand prevention part Interference fit face be respectively the stator base along motor radial direction end face and the rotor case it is radial along motor End face.

6. motor according to claim 1, which is characterized in that the sand prevention part include it is multiple, multiple sand prevention parts are simultaneously Row is folded to be set.

7. motor according to claim 1, which is characterized in that the sand prevention part is annular, and cross section is T-shaped or bending Type.

8. motor according to claim 1, which is characterized in that the rotor case includes rounded bottom wall and from the bottom The side wall annular in shape that the edge bending of wall extends, the armature spindle are arranged in the center of the bottom wall and along the motors Axial direction extend, the rotor magnet is sticked on the inner surface of the side wall.

9. motor according to claim 8, which is characterized in that the rotor magnet includes multiple, multiple rotor magnetic Iron equidistantly distributed.

10. motor according to claim 1, which is characterized in that the stator and the rotor pass through infusion epoxy resin Forming seal layer forms water seal.