CN206820566U - A kind of motor rotor Motor rotor structure - Google Patents
A kind of motor rotor Motor rotor structure Download PDFInfo
- Publication number
- CN206820566U CN206820566U CN201720697239.8U CN201720697239U CN206820566U CN 206820566 U CN206820566 U CN 206820566U CN 201720697239 U CN201720697239 U CN 201720697239U CN 206820566 U CN206820566 U CN 206820566U
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- CN
- China
- Prior art keywords
- magnet ring
- motor rotor
- axle sleeve
- main shaft
- convex tendon
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of motor rotor Motor rotor structure, it is related to electricity field.The structure includes：Main shaft, axle sleeve, magnet ring set and magnet ring；The axle sleeve includes the first axle sleeve and the second axle sleeve；The magnet ring includes the first magnet ring and the second magnet ring；First axle sleeve, magnet ring set and second axle sleeve sequentially sequentially pass through the main shaft, and first axle sleeve and second axle sleeve are embedded in the magnet ring set, and the main shaft is interference fitted with magnet ring set；Convex tendon is set on the outer wall of the magnet ring set, the cross section of the convex tendon is vertical with the main shaft, and first magnet ring and second magnet ring are each passed through the both sides that the convex tendon is arranged on after the magnet ring covers, and two magnet rings are radially arranged with the magnet ring set.Motor rotor Motor rotor structure described in the utility model is simple, manufacture easily, avoid pollution to environment.
Description
Technical field
It the utility model is related to electricity field, more particularly to a kind of motor rotor Motor rotor structure.
Background technology
Rotor is the significant components of motor, and it mainly includes main shaft, magnet ring core retainer plate, magnet ring, UV glue, pad composition.But
Problems be present in existing rotor：
1st, existing rotor assembly is that main shaft is pressed into magnet ring core retainer plate in advance, then two magnet rings are loaded into magnet ring core retainer plate respectively
Both ends, to ensure that magnet ring and magnetic ring core set fasten, in magnet ring and magnetic ring core inner room coating UV glue, then by UV stoves 120-
Make UV adhesive curing bonding formings after 160 degree of furnace temperature and the baking of 2 minutes, due to existing magnet ring core retainer plate be aluminium through Vehicle Processing into
Type, served as UV baking ovens it is roasting when, magnet ring core retainer plate is heated to produce thermal expansion and spalling magnet ring, though the essence through furnace temperature size and heat time
Really adjustment still can not control magnet ring spalling.
2nd, simultaneously as spalling magnet ring is crackle shape the defects of presentation, it need to amplify through CCD and sort, cause existing motor
The problem of production process technology of rotor is complicated, efficiency is low, fraction defective is high and cost is high.
3rd, the adhesive fastness of UV glue and aging influence the product quality and reliability of motor rotor.Meanwhile UV glue high temperature is consolidated
Change, cause environmental pollution and influence operator's health.
Utility model content
The purpose of this utility model is to provide a kind of motor rotor Motor rotor structure, foregoing present in prior art so as to solve
Problem.
To achieve these goals, motor rotor Motor rotor structure described in the utility model, the structure include：Main shaft, axle sleeve, magnetic
Ring set and magnet ring；The axle sleeve includes the first axle sleeve and the second axle sleeve；The magnet ring includes the first magnet ring and the second magnet ring；It is described
First axle sleeve, magnet ring set and second axle sleeve sequentially sequentially pass through the main shaft, first axle sleeve and described second
Axle sleeve is embedded in the magnet ring set, and the main shaft is interference fitted with magnet ring set；Set on the outer wall of the magnet ring set convex
Muscle, the cross section of the convex tendon is vertical with the main shaft, and first magnet ring and second magnet ring are each passed through the magnet ring
The both sides of the convex tendon are arranged on after set, and two magnet rings are radially arranged with the magnet ring set；If the convex tendon, described first
The length of the structure formed after magnet ring and second magnet ring combination is a, if the length of magnet ring set is b, b is more than a.
Preferably, the agent structure of the magnet ring set is cross rod structure, the crosspiece of the cross rod structure and the master
Axle is parallel, and the crosspiece sets the through hole matched with the main shaft, and the both ends of the crosspiece set identical open slot, described
Open slot matches with the axle sleeve；The vertical section of the cross rod structure is vertical with the main shaft, and the vertical section includes pedestal and convex
Muscle, the convex tendon are arranged on the outer surface of the pedestal, and the pedestal is vertical with the crosspiece.
It is highly preferred that the inner side of the magnet ring sets groove, the groove matches with the outline of the pedestal.
It is highly preferred that the open slot is shaped as circular platform type, the open slot is straight close to the bottom surface of the vertical section
Footpath is less than the diameter of upper bottom surface of the open slot away from the vertical section.
It is highly preferred that the first magnet ring lateral surface is passed through close to the termination of the crosspiece of first magnet ring, close to described
The termination of the crosspiece of second magnet ring passes through the second magnet ring lateral surface.
Preferably, the axle sleeve is interference fitted with the main shaft.
The beneficial effects of the utility model are：
Motor rotor Motor rotor structure described in the utility model is simple, it is easy to manufacture, and is embodied in：The motor rotor knot
Structure makes magnet ring set and magnet ring closely paste using the magnet ring set with tapered axle sleeve and with open slot by expanding outwardly expansion
Close, substitute UV glue bonds, when solving traditional structure UV glue bonds and UV glue hot settings the thermal expansion of magnet ring core retainer plate cause
The product rejection and correlation merit of magnet ring spalling are abnormal.The utility model improves production efficiency, improves product quality, reduces production
Cost, meanwhile, avoid using UV glue, therefore production and product are more environmentally friendly, reduce the pollution to environment and the health to operator is hindered
Evil.By the lengthening at magnet ring both ends, the pad at the both ends in traditional structure is instead of, reduces part and assembly process, enters one
Step reduces cost.
Brief description of the drawings
Fig. 1 is the structural representation of motor rotor Motor rotor structure；
Fig. 2 is the structural representation of Fig. 1 middle magnetic rings set；
Fig. 3 is Fig. 2 left view schematic diagram.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.It should be appreciated that embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
Embodiment
Motor rotor Motor rotor structure described in the present embodiment, the structure include：Main shaft 1, axle sleeve, magnet ring set 4 and magnet ring；The axle
Set includes the first axle sleeve 2 and the second axle sleeve 6；The magnet ring includes the first magnet ring 3 and the second magnet ring 5；First axle sleeve 2, institute
State magnet ring set 4 and second axle sleeve 6 sequentially sequentially passes through the main shaft 1, first axle sleeve 2 and second axle sleeve 6 are equal
In the embedded magnet ring set 4, the main shaft 1 and the interference fit of magnet ring set 4；Convex tendon is set on the outer wall of the magnet ring set 4
4-1, main shaft 1 described in the cross section of the convex tendon 4-1 is vertical, and first magnet ring 3 and the ring of the second magnetic 5 are each passed through magnet ring
The both sides of the convex tendon 4-1 are arranged on after set 4, and are radially arranged with magnet ring set 4；If the convex tendon 4-1, first magnetic
The length of the structure formed after ring 3 and second magnet ring 5 combination is a, if the length of magnet ring set 4 is b, b is more than a.It is main
Axle 1 is installed in magnet ring set 4, and forms interference fit, can not mutually be rotated.
Explanation, which is explained in more detail, is：
(1) agent structure of magnet ring set 4 be cross rod structure, the crosspiece and the main shaft of the cross rod structure
Parallel, the crosspiece sets the through hole matched with the main shaft, and the both ends of the crosspiece set identical open slot, described to open
Mouth groove matches with the axle sleeve；The vertical section of the cross rod structure is vertical with the main shaft, and the vertical section includes pedestal 4-2 and convex
Muscle 4-1, the convex tendon 4-1 are arranged on the outer surface of the pedestal 4-2, and the pedestal 4-2 is vertical with the crosspiece.
The inner side of first magnet ring 3 and second magnet ring 5 is respectively provided with groove, and the groove is with the pedestal 4-2's
Outline matches.The groove and the convex tendon 4-1 set on magnet ring, it ensure that the radial direction in magnet ring set 4 blocks magnet ring.
(2) open slot is shaped as circular platform type, and diameter of the open slot close to the side of the vertical section be less than institute
State the diameter of side of the open slot away from the vertical section.The open slot can cover 4 radial outward dilations along magnet ring, in the present embodiment
In, completion is pre-machined in magnet ring set.
The axle sleeve matched with circular platform type open slot press-in is installed in the open slot of magnet ring set, in taper when axle sleeve is pressed into
In the presence of make the magnet ring of setting open slot cover both ends and expand outwardly expansion in radial direction to press magnet ring, form magnet ring set and magnetic
Ring is brought into close contact, and can not mutually be rotated.
(3) lateral surface of the first magnet ring 3 is passed through close to the termination of the crosspiece of first magnet ring 3, close to described second
The termination of the crosspiece of magnet ring 5 passes through the lateral surface of the second magnet ring 5.The crosspiece termination of protrusion magnet ring lateral surface instead of conventional junction
The pad at the both ends in structure, plays a part of pad.
(4) first axle sleeve 2 and second axle sleeve 6 are interference fitted with the main shaft 1, first axle sleeve 2 and institute
The second axle sleeve 6 is stated in axially complete self-locking, can not slide to relatively rotate.
By using above-mentioned technical proposal disclosed in the utility model, following beneficial effect has been obtained：
Motor rotor Motor rotor structure described in the utility model is simple, it is easy to manufacture, and is embodied in：The motor rotor knot
Structure makes magnet ring set and magnet ring closely paste using the magnet ring set with tapered axle sleeve and with open slot by expanding outwardly expansion
Close, substitute UV glue bonds, when solving traditional structure UV glue bonds and UV glue hot settings the thermal expansion of magnet ring core retainer plate cause
The product rejection and correlation merit of magnet ring spalling are abnormal.The utility model improves production efficiency, improves product quality, reduces production
Cost, meanwhile, avoid using UV glue, therefore production and product are more environmentally friendly, reduce the pollution to environment and the health to operator is hindered
Evil.By the lengthening at magnet ring both ends, the pad at the both ends in traditional structure is instead of, reduces part and assembly process, enters one
Step reduces cost.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching should also regard the scope of protection of the utility model.
Claims (6)
1. a kind of motor rotor Motor rotor structure, it is characterised in that the structure includes：Main shaft, axle sleeve, magnet ring set and magnet ring；The axle
Set includes the first axle sleeve and the second axle sleeve；The magnet ring includes the first magnet ring and the second magnet ring；
First axle sleeve, magnet ring set and second axle sleeve sequentially sequentially pass through the main shaft, first axle sleeve and
Second axle sleeve is embedded in the magnet ring set, and the main shaft is interference fitted with magnet ring set；
Convex tendon is set on the outer wall of magnet ring set, the cross section of the convex tendon is vertical with the main shaft, first magnet ring with
Second magnet ring is each passed through the both sides that the convex tendon is arranged on after magnet ring set, and two magnet rings with the magnet ring set
It is radially arranged；
If the length of the structure formed after the convex tendon, first magnet ring and second magnet ring combination is a, if the magnet ring
The length of set is b, and b is more than a.
2. according to motor rotor Motor rotor structure described in the claim 1, it is characterised in that the agent structure of the magnet ring set is cross
Rod structure, crosspiece and the main axis parallel of the cross rod structure, the crosspiece set the through hole matched with the main shaft,
The both ends of the crosspiece set identical open slot, and the open slot matches with the axle sleeve；
The vertical section of the cross rod structure is vertical with the main shaft, and the vertical section includes pedestal and convex tendon, and the convex tendon is arranged on
The outer surface of the pedestal, the pedestal are vertical with the crosspiece.
3. according to motor rotor Motor rotor structure described in the claim 2, it is characterised in that the inner side of the magnet ring sets groove, institute
The outline that groove is stated with the pedestal matches.
4. according to motor rotor Motor rotor structure described in the claim 2, it is characterised in that the open slot is shaped as circular platform type,
The open slot is less than the diameter of upper bottom surface of the open slot away from the vertical section close to the diameter of the bottom surface of the vertical section.
5. according to motor rotor Motor rotor structure described in the claim 2, it is characterised in that close to the end of the crosspiece of first magnet ring
Head passes through the first magnet ring lateral surface, and the second magnet ring lateral surface is passed through close to the termination of the crosspiece of second magnet ring.
6. according to motor rotor Motor rotor structure described in the claim 1, it is characterised in that the axle sleeve is matched somebody with somebody with the main shaft interference
Close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697239.8U CN206820566U (en) | 2017-06-15 | 2017-06-15 | A kind of motor rotor Motor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697239.8U CN206820566U (en) | 2017-06-15 | 2017-06-15 | A kind of motor rotor Motor rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206820566U true CN206820566U (en) | 2017-12-29 |
Family
ID=60759910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720697239.8U Active CN206820566U (en) | 2017-06-15 | 2017-06-15 | A kind of motor rotor Motor rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206820566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571959A (en) * | 2019-09-24 | 2019-12-13 | 哈尔滨工业大学 | High-speed high-power permanent magnet synchronous motor rotor |
-
2017
- 2017-06-15 CN CN201720697239.8U patent/CN206820566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571959A (en) * | 2019-09-24 | 2019-12-13 | 哈尔滨工业大学 | High-speed high-power permanent magnet synchronous motor rotor |
| CN110571959B (en) * | 2019-09-24 | 2022-03-01 | 哈尔滨工业大学 | High-speed high-power permanent magnet synchronous motor rotor |
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