CN207819578U - A kind of motor shaft, rotor and motor - Google Patents

Abstract

The utility model discloses a kind of motor shafts, rotor and motor, solve the problems, such as that it is poor to be unevenly distributed the effect that is adhesively fixed for adhesive phase between existing rotor or the motor shaft and magnet steel of motor, its key points of the technical solution are that a kind of motor shaft, including output end, upper rotational segment, set section, support section, it is socketed section and lower rotational segment, output end, upper rotational segment, set section, the diameter for supporting section and socket section becomes larger successively, the outside of socket section can be abutted with the inside of magnet steel assembly, it is socketed on the side of section with the equally distributed bar-shaped trough of axial direction around motor shaft, adhesive is smeared evenly between having reached on the inside of socket section side and magnet steel assembly, fixed stronger effect.

Description

A kind of motor shaft, rotor and motor

Technical field

The utility model is related to a kind of micro-machine, more particularly to a kind of motor shaft, rotor and motor.

Background technology

Instantly automation driving is to become a kind of widely applied technology, as shown in Fig. 6, existing micro-machine, packet Include cylinder 1, the stator being accommodated in cylinder 12 and rotor 3.Rotor 3 includes shell 31, magnet steel assembly 33 and electricity Arbor 32,33 global approximation of magnet steel assembly are annular, are the prior art, non-practicality of concrete shape structure of magnet steel assembly 33 Novel new wound point, is simply indicated with hollow cylinder herein.Motor shaft 32 runs through magnet steel assembly 33 comprising socket section 325, Socket section 325 and the inside of magnet steel assembly 33 are affixed and are coated with adhesive phase therebetween.

Disadvantage is that socket section 325 is to prevent motor shaft 32 from play occurs with magnet steel assembly 33, between the two Gap is smaller, and adhesive is not easy to penetrate between the two, causes adhesive phase to be unevenly distributed the effect that is adhesively fixed poor, needs to be changed Into.

Utility model content

First purpose of the utility model is in view of the deficiencies of the prior art, to provide a kind of motor shaft.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of motor shaft, which is characterized in that including output end, upper rotational segment, set section, support section, socket section and lower turn Dynamic section, the output end, set section, support section and socket section diameter becomes larger successively at upper rotational segment, and the socket section outside can be with The inside of magnet steel assembly abuts, and is carried on the side of the socket section and surrounds motor shaft axially equally distributed bar-shaped trough.

By using above-mentioned technical proposal, when being socketed section and being mounted in magnet steel assembly to filling adhesive between the two, Adhesive is flowed by gravity in bar-shaped trough, and rotary electric machine axis drives bar-shaped trough to hang coating adhesive, makes socket section side and magnet steel Adhesive is smeared evenly between on the inside of assembly.

Preferably, the output end can be socketed rotating member, and the rotating member is socketed towards one end of lower rotational segment It is provided with jack on the end of upper rotational segment, the upper rotational segment, the mounting hole being aligned with jack is carried on the rotating member.

By using above-mentioned technical proposal, rotating member can be prevented in electricity by a bolt through fixing in jack and mounting hole Loosening is deflected because of vibration during machine use.

Preferably, it is equipped between the upper rotational segment and set section, socket section and lower rotational segment coaxial with motor shaft Annular groove, card has a snap ring in the annular groove, the set section towards upper rotational segment one side and socket section towards lower rotational segment Abutment ring and lower abutment ring are stamped on one side respectively, the interior edge insertion snap ring and annular groove of the upper abutment ring and lower abutment ring Between cell wall, outer is clipped in respectively between magnet steel assembly both ends and shell.

By using above-mentioned technical proposal, upper abutment ring and lower abutment ring are fixed on the both ends of magnet steel assembly, the two it is interior Along being fixed with motor shaft, outer is fixed with magnet steel assembly, prevents motor shaft from deviating from from magnet steel assembly.

Preferably, the anchor ring of the lower abutment ring is stepped, it is described socket section towards lower rotational segment anchor ring with The interior edge of lower abutment ring is affixed, and the outer of the lower abutment ring and the end face of magnet steel assembly are affixed.

By using above-mentioned technical proposal, motor shaft with respect to magnet steel assembly towards lower rotational segment direction play when, be socketed section The interior edge that lower abutment ring is compressed towards the anchor ring of lower rotational segment makes its inclination and distortion and lower abutting ring are affixed with magnet steel assembly The sidewalls flex deformation of conjunction generates elastic force, hinders motor shaft play, reduces its play trend.

Preferably, the upper abutment ring includes deformation annular groove, and it is total with magnet steel that the deformation annular groove is accommodated in set section At between inside, two cell walls of the deformation annular groove offset on the inside of set section side and magnet steel assembly.

By using above-mentioned technical proposal, when circumferential vibrations occur for motor shaft, outside and the magnet steel assembly of set section Inside compress deformation annular groove, deformation annular groove deformation converts the kinetic energy of motor shaft to elastic potential energy, slows down motor shaft and circumferentially shakes It is dynamic.

Preferably, the one side and the section bottom of deformation annular groove for supporting section towards upper rotational segment offsets.

By using above-mentioned technical proposal, motor shaft with respect to magnet steel assembly towards upper rotational segment direction play when, support section The section bottom for compressing deformation annular groove makes Shape-changeable ring trench bottom inclination and distortion and deforms the side that annular groove fits with magnet steel assembly Wall flexural deformation hinders motor shaft play, reduces to which upper abutment ring is generated to motor shaft towards the elastic force in lower rotational segment direction Its play trend.

Second purpose of the utility model is to provide a kind of rotor, and motor shaft is not easy to the abjection of magnet steel assembly.

The third purpose of the utility model is to provide a kind of motor, and motor shaft is not easy to the abjection of magnet steel assembly.

The above-mentioned technical purpose of the utility model technical scheme is that：

Band bar-shaped trough in the socket section of motor shaft, bar-shaped trough is convenient for adhesive flow and extension coating adhesive so that adhesive is solid The adhesive layer being socketed between section and magnet steel assembly after change is evenly distributed, between magnet steel assembly and motor shaft by annular groove and snap ring, The compressing of shell and magnet steel assembly end be fixed with compress ring and under compress ring, above compress ring and compress ring under and connect motor shaft With magnet steel assembly and support motor shaft, hinder motor shaft play, reduce its play trend.

In conclusion the utility model has the advantages that：

1. adhesive is flowed by gravity in bar-shaped trough, rotary electric machine axis drives bar-shaped trough to hang coating adhesive, makes socket section Adhesive is smeared evenly between on the inside of side and magnet steel assembly；

2, ring compressed on compress ring under and connect motor shaft and magnet steel assembly and support motor shaft, hinder motor shaft play, Reduce its play trend；

3. deforming on the inside of the two side fitting set section side and magnet steel assembly of annular groove, when circumferential vibrations occur for motor shaft When, deformation annular groove deformation converts the kinetic energy of motor shaft to elastic potential energy, slows down motor shaft and circumferentially shakes；

4. can be fixed by a bolt or bolt-through in jack and mounting hole, prevent rotating member during motor use because It vibrates and deflects and loosen.

Description of the drawings

Fig. 1 is the structural schematic diagram of motor；

Fig. 2 is the structural schematic diagram of rotor；

Fig. 3 is the structural schematic diagram of motor shaft；

Fig. 4 is the sectional view of rotor；

Fig. 5 is the explosive view of motor；

Fig. 6 is the sectional view of existing motor.

Description of the drawings：1, cylinder；2, stator；3, rotor；31, shell；32, motor shaft；321, output end；322, on Rotational segment；3221, jack；323, set section；324, section is supported；325, it is socketed section；3251, bar-shaped trough；326, lower rotational segment； 327, annular groove；33, magnet steel assembly；34, upper abutment ring；35, lower abutment ring；36, snap ring；4, rotating member；41, mounting hole；5, it inserts Pin.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1 and Figure 2, a kind of motor, including cylinder 1, the stator 2 that is accommodated in cylinder 1 and motor turn Son 3, rotor 3 include shell 31, the motor shaft 32 through shell 31 and the magnet steel assembly 33 that is accommodated in shell 31.Magnetic Steel assembly 33 is approximately annular, is the prior art, the new wound point of non-the utility model of concrete shape structure of magnet steel assembly 33, This sentences hollow cylinder and outlines.The inner peripheral surface of hollow cylinder can be bonded with the side of rotor 3, hollow cylinder Peripheral surface be bonded with the inside of shell 31, while shell 31 wraps up outside and the both ends of the surface of magnet steel assembly 33.

As shown in attached drawing 3 and attached drawing 4, motor shaft 32 includes output end 321, upper rotational segment 322, set section 323, supports section 324, it is socketed section 325 and lower rotational segment 326, output end 321, set section 323, supports section 324 and socket section at upper rotational segment 322 325 diameters become larger successively.Socket section 325 and the inner peripheral surface of magnet steel assembly 33 offset, and are socketed on the side of section 325 with around electricity The axial equally distributed bar-shaped trough of arbor 32 3251.When being socketed section 325 and being mounted in magnet steel assembly 33 to filling between the two Adhesive, adhesive are flowed by gravity in bar-shaped trough 3251, and rotary electric machine axis 32 drives bar-shaped trough 3251 to hang coating adhesive, makes Adhesive is smeared evenly between being socketed 33 inside of 325 side of section and magnet steel assembly.

Abutment ring 34 and lower abutment ring 35 are also stamped in the both ends of magnet steel assembly 33, wherein interior edge and appearance in upper abutment ring 34 The one side for setting section 323 towards upper rotational segment 322 is bonded, and outer is clipped between magnet steel assembly 33 and shell 31.Upper abutment ring 34 Including deforming annular groove 327, deformation annular groove 327 is accommodated between 33 inside of set section 323 and magnet steel assembly, deforms 327 bottom of annular groove Portion with support the offseting on one side towards upper rotational segment 322 of section 324, deform two cell walls of annular groove 327 respectively at 323 side of set section It offsets with 33 inside of magnet steel assembly.When circumferential vibrations occur for motor shaft 32, outside and the magnet steel assembly 33 of set section 323 Inside compresses deformation annular groove 327, and the deformation deformation of annular groove 327 converts the kinetic energy of motor shaft 32 to elastic potential energy, slows down motor shaft 32 circumferential vibrations.

The anchor ring of lower abutment ring 35 is stepped, interior to be bonded along with the one side of socket section 325 towards lower rotational segment 326, Its outer is clipped between magnet steel assembly 33 and shell 31.

Support between the side of section 324 and the inside of magnet steel assembly 33 there are annular cavity, while upper rotational segment 322 with It is equipped with the annular groove 327 coaxial with motor shaft 32 between set section 323, socket section 325 and lower rotational segment 326, blocks in annular groove 327 There is snap ring 36.The interior edge of upper abutment ring 34 and lower abutment ring 35 is inserted into along annular groove 327, and the cell wall of snap ring 36 and annular groove 327 compresses The interior edge of abutment ring 34 and lower abutment ring 35 in clamping.There are axial float trend, motor shafts with magnet steel assembly 33 for motor shaft 32 When 32 opposite magnet steel assemblies 33 are towards 322 direction play of upper rotational segment, the section bottom that section 324 compresses deformation annular groove 327 is supported, Make the sidewalls flex deformation that 327 bottom angled of deformation annular groove deforms and deformation annular groove 327 fits with magnet steel assembly 33, to Upper abutment ring 34 is generated to motor shaft 32 towards the elastic force in 326 direction of lower rotational segment, is hindered 32 play of motor shaft, is reduced its play Trend；Similarly motor shaft 32 with respect to magnet steel assembly 33 towards 326 direction play of lower rotational segment when, socket section 325 is towards rotating down The anchor ring of section 326 compresses the interior edge of lower abutment ring 35, its inclination and distortion and lower abutment ring 35 is made to be affixed with magnet steel assembly 33 The sidewalls flex deformation of conjunction generates elastic force, hinders 32 play of motor shaft, reduces its play trend.

As shown in Fig. 5, output end 321 is pierced by outside shell, is carried external screw thread thereon and is threadedly coupled with rotating member 4, is turned Moving part 4 is the part of appliance that rotation is driven by motor shaft 32, can be impeller, shaft joint, belt depending on actual conditions Wheel etc., is herein impeller.One end of rotating member 4 towards lower rotational segment 326 is socketed in the end of upper rotational segment 322, upper rotational segment Jack 3221 is provided on 322, with the mounting hole 41 being aligned with jack 3221 on rotating member 4, in jack 3221 and mounting hole 41 It can be fixed by a bolt 5 or bolt-through, prevent rotating member 4 from deflecting loosening because of vibration during motor use.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of motor shaft, which is characterized in that including output end（321）, upper rotational segment（322）, set section（323）, support section （324）, socket section（325）With lower rotational segment（326）, the output end（321）, upper rotational segment（322）, set section（323）, support Push up section（324）With socket section（325）Diameter becomes larger successively, the socket section（325）It outside can be with magnet steel assembly（33）Inside It abuts, the socket section（325）Side on surround motor shaft（32）Axial equally distributed bar-shaped trough（3251）.

2. a kind of motor shaft according to claim 1, which is characterized in that the output end（321）Rotating member can be socketed （4）, the rotating member（4）Towards lower rotational segment（326）One end be socketed in rotational segment（322）End, the upper rotation Section（322）On be provided with jack（3221）, the rotating member（4）On carry and jack（3221）The mounting hole of alignment（41）, described Jack（3221）And mounting hole（41）It is interior can be by a bolt（5）Or bolt-through is fixed.

3. a kind of motor shaft according to claim 1, which is characterized in that the upper rotational segment（322）With set section （323）, socket section（325）With lower rotational segment（326）Between be equipped with and motor shaft（32）Coaxial annular groove（327）, the annular groove （327）Interior card has snap ring（36）, the set section（323）Towards upper rotational segment（322）One side and socket section（325）Under Rotational segment（326）One side on be stamped abutment ring respectively（34）With lower abutment ring（35）, the upper abutment ring（34）It is supported under Connect ring（35）It is interior along be inserted into snap ring（36）With annular groove（327）Cell wall between, outer is clipped in magnet steel assembly respectively（33）Two End and shell（31）Between.

4. a kind of motor shaft according to claim 3, which is characterized in that the lower abutment ring（35）Anchor ring be in ladder Shape, the socket section（325）Towards lower rotational segment（326）Anchor ring and lower abutment ring（35）Interior edge be affixed, the lower abutting Ring（35）Outer and magnet steel assembly（33）End face be affixed.

5. a kind of motor shaft according to claim 3, which is characterized in that the upper abutment ring（34）Including deforming annular groove （327）, the deformation annular groove（327）It is accommodated in set section（323）With magnet steel assembly（33）Between inside, the deformation annular groove （327）Two cell walls respectively at set section（323）Side and magnet steel assembly（33）Inside offsets.

6. a kind of motor shaft according to claim 5, which is characterized in that described to support section（324）Towards upper rotational segment （322）One side and deformation annular groove（327）Section bottom offset.

7. a kind of rotor, which is characterized in that including motor shaft as claimed in any one of claims 1 to 6（32）.

8. a kind of motor, which is characterized in that including rotor as claimed in claim 7（3）.