CN207801597U - A kind of rotor convenient for press fitting - Google Patents
A kind of rotor convenient for press fitting Download PDFInfo
- Publication number
- CN207801597U CN207801597U CN201721514801.5U CN201721514801U CN207801597U CN 207801597 U CN207801597 U CN 207801597U CN 201721514801 U CN201721514801 U CN 201721514801U CN 207801597 U CN207801597 U CN 207801597U
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- CN
- China
- Prior art keywords
- tabletting
- iron core
- armature spindle
- press fitting
- shell
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- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of rotors convenient for press fitting, include the shell of armature spindle, iron core and secured core, iron core is formed by stacking by more than two round tablets, it is evenly equipped with arc groove in the inner headed face of the centre bore of tabletting, centre bore is set to form flower-shape hole, the flower-shape hole of tabletting after superposition is interference fitted with armature spindle, and interference volume is less than the depth of arc groove.Convenient for press fitting between armature spindle and iron core in the utility model, while ensureing that the two is non-slip, armature spindle squeezes the stress generated and can uniformly be undertaken at structure on iron core hole, to prevent the other positions of iron core from generating unnecessary deformation.
Description
Technical field
The utility model is related to motor mounting technology field, especially a kind of rotors convenient for press fitting.
Background technology
Rotor is the rotary part in motor.Motor is made of rotor and stator two parts, it is for realizing electricity
It can be with the conversion equipment of mechanical energy and mechanical energy and electric energy.Rotor is divided into motor rotor and generator amature.
For micro-machine, internal rotor rotating manner is generally used.Internal rotor rotating manner is that the core among motor is
Rotary body rotor, output torque or income energy.Internal rotor composition includes armature spindle and iron core, and iron core is by multi-layer rotor pressure
Piece layer stackup is pressed.The internal rotor of micro-machine needs to limit iron core radial cunning with axial direction on armature spindle in assembly
It is dynamic, since rotor shaft diameter is small, it is not easy to open up the structures such as keyway on surface, assembly relation generally use between armature spindle and iron core
Interference fit makes to keep being fastenedly connected between armature spindle and iron core.In armature spindle and iron core assembly, motor makes in order to prevent
With the sub- axis of process transfer the problem of sliding opposite with iron core, axis is pressed into the central cylindrical of iron core by way of interference fit
In hole.Since iron core is formed by stacking by multi-layer rotor tabletting, for the axis of internal structure densification, what press fitting generated in the process
Stress is easier that rotor tabletting is made to generate deformation, while generating a large amount of metal fragment in cooperation position friction, influences motor
Quality.
In existing technology, to solve the above-mentioned problems, in New-type electric machine rotor core（Patent No. CN
204721122 U）In mention, spline is set on the centre bore of rotor tabletting, and multiple splines make rotor core and rotary shaft
Between cooperation it is close, slipping phenomenon can be reduced.In a kind of motor rotor for pump（205319811 U of Patent No. CN）In,
By agreeing with block cooperation between armature spindle and rotor tabletting, skidding rotation of the armature spindle in rotor tabletting can be effectively prevented
Turn, can to carry out efficient conversion between electric energy and mechanical energy.In the above-described techniques, between armature spindle and iron core hole not
It can guarantee and uniformly undertake, but iron core generates assymmetrical deformation.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of rotors convenient for press fitting, in the rotor
Convenient for press fitting between armature spindle and iron core, while ensureing that the two is non-slip, armature spindle squeezes the stress generated can be in iron core
It is uniformly undertaken at structure on hole, to prevent the other positions of iron core from generating unnecessary deformation.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of motor convenient for press fitting turns
Son, it is characterised in that include the shell of armature spindle, iron core and secured core, the iron core is folded by more than two round tablets
Add, arc groove is evenly equipped in the inner headed face of the centre bore of tabletting, centre bore is made to form flower-shape hole, the flower-shape of tabletting after superposition
Hole is interference fitted with armature spindle, and interference volume is less than the depth of arc groove.
Said program is further qualified, the T-type tooth being stamped and formed out, the T at interval is distributed in the outer ring of the tabletting
Type tooth one side is equipped with protrusion, and pit is equipped in T-type tooth another side, position corresponding with protrusion, convex in the tabletting after superposition
It rises and coordinates with pit.
Said program is further qualified, more than two mounting holes are distributed with around centre bore in the wafer surface,
Mounting hole alignment in tabletting after superposition.
Said program is further qualified, the shell includes protecgulum and shell, and locating shaft is distributed on shell, fixed
Position axis coordinates with mounting hole, and tabletting is made to be pressed to shell.
Said program is further qualified, the armature spindle is ladder eccentric shaft, armature spindle and iron core fitted shaft segment table
EDS maps have 4 beadings, the boss of beading to be in arc groove.
Said program is further qualified, the flower-shape hole is about the linear structure in a center of symmetry of centre hole axis.
It is using advantageous effect caused by above-mentioned technical proposal：
（1）Rotor in the utility model has original axis hole interference to match on the surface of armature spindle and iron core cooperation
It closes, it is flower-shape symmetrical structure to be improved to core center hole, and this structure is the structure and assembly method according to tabletting in iron core, is made
Partial face contact between the flower-shape hole of formation and armature spindle, and ensure that contact surface is interference fit, original full surface contact is compared,
The CONTACT WITH FRICTION area of iron core and axis is reduced, metal is broken when being convenient for the assembly of armature spindle and iron core, while also reducing assembly
The generation quantity of bits；
（2）Iron core is to be pressed into shell and formed after being superimposed by tabletting in the utility model, in tabletting superposition, for the ease of
Positioning between multiple tablettings is equipped with protrusion and pit in wafer surface, and mounting hole is passed to locating shaft, facilitates tabletting folded
Installation is matched, and it is an entirety to also allow for entire iron core, avoids center unstable vibration in the process of running；
（3）Core center hole is flower-shape hole in the utility model, since there are symmetrical gap, press fittings in flower-shape pore structure
When, squeezing the stress generated from axis can uniformly undertake at flower structure, need not to prevent the other positions of iron core from generating
The deformation wanted ensures the quality of rotor.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of armature spindle in the utility model；
Fig. 3 is tabletting structure schematic diagram in the utility model；
Fig. 4 is shell mechanism schematic diagram in the utility model；
In figure：1, armature spindle, 2, shell, 3, iron core, 11, beading, 21, protecgulum, 22, shell, 23, locating shaft, 31, center
Hole, 32, T-type tooth, 33, protrusion, 34, mounting hole, 35, arc groove, 36, tabletting.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and 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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model is specially a kind of rotor, mainly solves to assemble between armature spindle 1 and iron core 3 in rotor
There are the problem of, while ensure iron core 3 on armature spindle stablize fix, therefore form it is a kind of convenient for press fitting rotor,
As shown in Fig. 1, which specifically includes the shell 2 of armature spindle 1, iron core 3 and secured core 3, iron core 3 be by two with
On round tablet 36 be formed by stacking, be evenly equipped with arc groove 35 in the inner headed face of the centre bore 31 of tabletting 36, make 31 shape of centre bore
At flower-shape hole, flower-shape hole is to form centrosymmetric structure about 31 axis of centre bore.Tabletting 36 is pressed into shell 2 successively, is formed
The iron core 3 that tabletting 36 is superimposed, the flower-shape hole of tabletting 36 requires to be interference fitted with armature spindle 1 wherein in iron core 3, and interference volume is less than
The depth of arc groove 35.It can guarantee and be fastenedly connected between armature spindle 1 and iron core 3 in this way, since the two contact surface is non-disc,
Due to the shape in flower-shape hole and the setting of interference volume, desultory contact surface is formed, which is original entire circle
Face about 2/3, it is ensured that the stiction between armature spindle 1 and iron core 3 reaches requirement, while also allowing for being pressed.In addition, by
In in assembly, 36 structure of tabletting is thin slice, deformation is easy tod produce during press fitting, while the two contact also will produce metal
Clast.By reducing contact surface, the generation quantity of metal fragment is on the one hand reduced, on the other hand also reduces deflection.
In the present invention, the structure of tabletting 36 is as shown in Fig. 3, and tabletting 36 is sheet metal, and thickness generally exists
Within the scope of 0.5-0.8mm, the T-type tooth 32 being stamped and formed out is distributed in the outer ring of tabletting 36, in order to facilitate between tabletting 36 superposition and
Positioning, 32 one side of T-type tooth at interval are equipped with protrusion 33, are equipped in 32 another side of T-type tooth, with raised 33 corresponding positions
Pit, in the tabletting 36 after superposition, protrusion 33 coordinates with pit, forms the tabletting 36 after superposition, and 36 surface of tabletting surrounds center
6 mounting holes 34 are distributed in hole 31, and the mounting hole 34 in the tabletting 36 after superposition is aligned.
The shell 2 coordinated with tabletting 36, effect are mainly the tabletting group after fixed overlay, and structure is as shown in Fig. 4, outside
Shell 2 is insulation shell, and shape is matched according to the shape of tabletting 36.For the ease of assembly, shell 2 is divided into two parts, respectively before
Lid 21 and shell 22, protecgulum 21 and shell 22 form a cavity, and 6 locating shafts, 23,6 locating shafts are distributed on shell 22
23 coordinate with the mounting hole 34 in tabletting 36, make in the press fitting to shell 22 of tabletting 36, are compressed finally by protecgulum 21, form iron core
3。
In addition, in the utility model, the armature spindle 1 coordinated with iron core 3, structure is staged eccentric shaft, such as 2 institute of attached drawing
Show, the diameter of axle is less than normal, and 4 beadings 11 are distributed with 3 fitted shaft section surface of iron core in armature spindle 1, and the boss of beading 11 is in
In arc groove 35, rib structure is to utilize special press machine, in the raised beading that 1 surface of armature spindle is formed.
Many details are elaborated in the above description in order to fully understand the utility model, but this practicality is new
Type can also be implemented using other different from other manner described here, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of novel intension, therefore the utility model is not limited by particular embodiments disclosed above.
Claims (6)
1. a kind of rotor convenient for press fitting, it is characterised in that including armature spindle（1）, iron core（3）And secured core（3）It is outer
Shell（2）, the iron core（3）It is by more than two round tablets（36）It is formed by stacking, in tabletting（36）Centre bore（31）'s
Inner headed face is evenly equipped with arc groove（35）, make centre bore（31）Form flower-shape hole, tabletting after superposition（36）Flower-shape hole and armature spindle
（1）Interference fit, interference volume are less than arc groove（35）Depth.
2. a kind of rotor convenient for press fitting according to claim 1, it is characterised in that the tabletting（36）Outer ring
The T-type tooth being stamped and formed out is distributed with（32）, the T-type tooth at interval（32）One side is equipped with protrusion（33）, in T-type tooth（32）It is another
Side and protrusion（33）Corresponding position is equipped with pit, the tabletting after superposition（36）In, protrusion（33）Coordinate with pit.
3. a kind of rotor convenient for press fitting according to claim 1 or 2, it is characterised in that the tabletting（36）Table
Face surrounds centre bore（31）More than two mounting holes are distributed with（34）, the tabletting after superposition（36）On mounting hole（34）It is right
Together.
4. a kind of rotor convenient for press fitting according to claim 3, it is characterised in that the shell（2）Including protecgulum
（21）And shell（22）, in shell（22）On locating shaft is distributed with（23）, locating shaft（23）With mounting hole（34）Cooperation, makes tabletting
（36）It is pressed to shell（22）It is interior.
5. a kind of rotor convenient for press fitting according to claim 1, it is characterised in that the armature spindle（1）For ladder
Eccentric shaft, armature spindle（1）With iron core（3）4 beadings are distributed in fitted shaft section surface（11）, beading（11）Boss be in
Arc groove（35）It is interior.
6. a kind of rotor convenient for press fitting according to claim 1, it is characterised in that the flower-shape hole is about in
Heart hole（31）Axis forms centrosymmetric structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721514801.5U CN207801597U (en) | 2017-11-14 | 2017-11-14 | A kind of rotor convenient for press fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721514801.5U CN207801597U (en) | 2017-11-14 | 2017-11-14 | A kind of rotor convenient for press fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801597U true CN207801597U (en) | 2018-08-31 |
Family
ID=63284646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721514801.5U Active CN207801597U (en) | 2017-11-14 | 2017-11-14 | A kind of rotor convenient for press fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207801597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969735A (en) * | 2020-08-26 | 2020-11-20 | 六安华科电机有限公司 | Three-phase motor stator structure and motor |
| CN114351989A (en) * | 2021-12-31 | 2022-04-15 | 亳州学院 | Ceramic tile seam beautifying belt |
-
2017
- 2017-11-14 CN CN201721514801.5U patent/CN207801597U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969735A (en) * | 2020-08-26 | 2020-11-20 | 六安华科电机有限公司 | Three-phase motor stator structure and motor |
| CN114351989A (en) * | 2021-12-31 | 2022-04-15 | 亳州学院 | Ceramic tile seam beautifying belt |
| CN114351989B (en) * | 2021-12-31 | 2024-05-07 | 亳州学院 | Ceramic tile seam beautifying belt |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190816 Address after: 065001 South Changxiang South Road and East Baiqiang Road, Guangyang Economic Development Zone, Langfang City, Hebei Province Patentee after: Langfang Jinrun Otton Intelligent Equipment Co., Ltd. Address before: 301700 Tianjin city Wuqing District Keihin Industrial Park Patentee before: Tianjin Maisite Motorcycle Parts Co. Ltd. |