CN208015478U - A kind of brushless DC motor rotor securely assembled - Google Patents
A kind of brushless DC motor rotor securely assembled Download PDFInfo
- Publication number
- CN208015478U CN208015478U CN201820374431.8U CN201820374431U CN208015478U CN 208015478 U CN208015478 U CN 208015478U CN 201820374431 U CN201820374431 U CN 201820374431U CN 208015478 U CN208015478 U CN 208015478U
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- CN
- China
- Prior art keywords
- magnetic shoe
- upper casing
- shoe ring
- magnetic
- locating support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of brushless DC motor rotors securely assembled,Including circular integral type upper casing,Several magnetic shoes,Locating support,Lower casing,The inside length of side of the magnetic shoe is less than the outside length of side and several magnetic shoes can abut and surround magnetic shoe ring,The upper casing is connect with lower casing to form the inner cavity that can house magnetic shoe ring and locating support,The stepped part of annular is provided on the madial wall of upper casing,One end of magnetic shoe ring is arranged in the lower face of stepped part,The madial wall of upper casing is enclosed on the lateral wall of magnetic shoe ring,The locating support is connected to the other end of magnetic shoe ring to fix the position of magnetic shoe ring,The design passes through stepped part,Upper casing,Locating support positions magnetic shoe ring,Even if this structure glue aging,Magnetic shoe ring can also be fixed,Improve the durability of rotor,Machine assembly is also simpler,Production efficiency greatly improves,Adjacent magnetic shoe abuts,Improve the magnetic force of rotor.
Description
Technical field
The utility model is related to the assembling structures of rotor field, especially rotor.
Background technology
Existing rotor, magnetic shoe use ferrite sintered body or sintered NdFeB class permanent magnet, magnetic shoe are fixed on electricity
Following two modes are generally in machine rotor shell：One, magnetic shoe is only in the yoke that glue is pasted onto rotor shell；Two,
Injection molding forms motor rotor casing after magnetic shoe is positioned.This two kinds of structures have obvious defect：Glue is easy aging, magnetic shoe
It being easy to fall off, product mechanical structure force is not strong, short life, meanwhile, upper casing is split structure, and rotor shell is generally under
Holder is constituted with support arm, and magnetic shoe one end is placed on lower bracket and periphery is surrounded by support arm, then is consolidated by glue
Calmly, it is put into yoke by machine assembling motor rotor case and by magnetic shoe or the technique of injection molding is all cumbersome, production
Inefficiency is led to must have larger gap, the magnetic force of entire rotor to decline between adjacent magnetic shoe with upper type, influences motor
Rotor performance.
Utility model content
It is positioned in order to solve the above technical problems, the purpose of this utility model is to provide a kind of abutted by locating support to reach
To the rotor securely assembled.
The technical solution adopted in the utility model is：
A kind of brushless DC motor rotor securely assembled, including circular integral type upper casing, several magnetic shoes, positioning branch
Frame, lower casing, the inside length of side of the magnetic shoe is less than the outside length of side and several magnetic shoes can abut and surround magnetic shoe ring, it is described on
Shell is connect with lower casing to form the inner cavity that can house magnetic shoe ring and locating support, and annular is provided on the madial wall of upper casing
One end of stepped part, magnetic shoe ring is arranged in the lower face of stepped part, and the madial wall of upper casing is enclosed on the lateral wall of magnetic shoe ring, institute
It states locating support and is connected to the other end of magnetic shoe ring to fix the position of magnetic shoe ring.
The locating support is connect with upper casing to be connected to the other end of magnetic shoe ring.
By screw, either buckle or back-off connect the locating support with upper casing.
The locating support is arranged on lower casing, and lower casing is connect with upper casing so that locating support is connected to the another of magnetic shoe ring
End.
Further include structural adhesive layer, which is arranged between upper casing and magnetic shoe ring so that the two bonds.
The magnetic shoe is in cambered class trapezoidal shape.
By screw, either buckle or back-off connect the upper casing with lower casing.
The beneficial effects of the utility model：
The rank of annular is arranged using integral type upper casing in the utility model brushless DC motor rotor on the madial wall of upper casing
Terraced portion, and the inside length of side of each magnetic shoe is less than the outside length of side, in assembly, several magnetic shoes is abutted and surround magnetic shoe ring,
And magnetic shoe ring is placed on the lower face of stepped part, then locating support is connected to the other end of magnetic shoe ring so that positioning
Holder forms the groove that can be positioned to magnetic shoe with upper casing, stepped part three, and several magnetic shoes of the design abut and surround magnetic shoe ring, magnetic
Watt the inside length of side be less than the shape of the outside length of side and the madial wall of upper casing is enclosed on the lateral wall of magnetic shoe ring so that magnetic shoe
Radial direction will not loosen, meanwhile, locating support respectively abuts the both ends of magnetic shoe ring with stepped part, so that magnetic shoe annulate shaft is to will not
It loosens, even if can be fixed if this structure glue aging magnetic shoe ring, improves the durability of rotor, machine assembles also more
Add simply, production efficiency greatly improves, and adjacent magnetic shoe abuts, and improves the magnetic force of rotor.
Description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the axial sectional view of the utility model brushless DC motor rotor.
Fig. 2 is the radial schematic diagram of the utility model magnetic shoe ring.
Fig. 3 is the explosive view of the utility model brushless DC motor rotor.
Specific implementation mode
As shown in Figure 1-Figure 3, the utility model brushless DC motor rotor, including circular integral type upper casing 1, several
The inside length of side of magnetic shoe 2, locating support 3, lower casing 4, magnetic shoe 2 is less than the outside length of side and several magnetic shoes 2 can be abutted and be surrounded
Magnetic shoe ring 5, upper casing 1 are connect with lower casing 4 to form the inner cavity 6 that can house magnetic shoe ring 5 and locating support 3, the inside of upper casing 1
The stepped part 7 of annular is provided on wall, one end of magnetic shoe ring 5 is arranged in the lower face of stepped part 7, and the madial wall of upper casing 1 surrounds
On the lateral wall of magnetic shoe ring 5, locating support 3 is connected to the other end of magnetic shoe ring 5 to fix the position of magnetic shoe ring 5, wherein closing
Attached drawing is please referred in the word for being related to orientation such as left and right, upper and lower to understand, further, magnetic shoe 2 is in trapezoidal with cambered class
Shape, by screw, either buckle or back-off connect upper casing 1 with lower casing 4.
The design uses integral type upper casing 1, and the stepped part 7 of annular, and each magnetic shoe 2 are arranged on the madial wall of upper casing 1
The inside length of side be less than the outside length of side, in assembly, by several magnetic shoes 2 against surrounding magnetic shoe ring 5, and magnetic shoe ring 5 is put
It sets on the lower face of stepped part 7, then locating support 3 is connected to the other end of magnetic shoe ring 5 so that locating support 3 and upper casing
1,7 three of stepped part forms the groove that can be positioned to magnetic shoe 2, and several magnetic shoes 2 abut and surround magnetic shoe ring 5, the inner side edge of magnetic shoe 2
It is long to be enclosed on the lateral wall of magnetic shoe ring 5 less than the shape of the outside length of side and the madial wall of upper casing 1 so that magnetic shoe 2 is radial not
It can loosen, meanwhile, locating support 3 respectively abuts the both ends of magnetic shoe ring 5 with stepped part 7, will not pine so that magnetic shoe ring 5 is axial
It is de-, even if can be fixed if this structure glue aging magnetic shoe ring 5, the durability of rotor is improved, machine assembles also more
Simply, production efficiency greatly improves, and adjacent magnetic shoe abuts, and improves the magnetic force of rotor.
It is that locating support 3 is connect with upper casing 1 that the specific location that the design locating support 3 is arranged, which has multiple embodiments, one,
To be connected to the other end of magnetic shoe ring 5, then lower casing 4 connect with upper casing 1, herein locating support 3 and upper casing 1 by screw or
Buckle or back-off connection.
Secondly being, locating support 3 is arranged on lower casing 4, and lower casing 4 is connect with upper casing 1 so that locating support 3 is connected to magnetic shoe
The other end of ring 5, wherein locating support 3 can or locating support 3 integrally formed with lower casing 4 and lower casing 4 by screw or
Person buckles or back-off connection.
Meanwhile further include structural adhesive layer 8, the structural adhesive layer 8 be arranged between upper casing 1 and magnetic shoe ring 5 so that the two bond,
Magnetic shoe ring 5 is arranged behind 7 lower face of stepped part, injecting structure glue-line 8, being mounted directly locating support 3 can be solid to magnetic shoe ring 5
It is fixed, it is dried without waiting for structural adhesive layer 8.
The foregoing is merely the preferred embodiments of the utility model, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the technical solution of the utility model aim belong to the scope of protection of the utility model it
It is interior.
Claims (7)
1. a kind of brushless DC motor rotor securely assembled, it is characterised in that：Including circular integral type upper casing, several magnetic
Watt, locating support, lower casing, the inside length of side of the magnetic shoe is less than the outside length of side and several magnetic shoes can abut and surround magnetic shoe
Ring, the upper casing connect to form the inner cavity that can house magnetic shoe ring and locating support with lower casing, are set on the madial wall of upper casing
It is equipped with the stepped part of annular, one end of magnetic shoe ring is arranged in the lower face of stepped part, and the madial wall of upper casing is enclosed in magnetic shoe ring
On lateral wall, the locating support is connected to the other end of magnetic shoe ring to fix the position of magnetic shoe ring.
2. a kind of brushless DC motor rotor securely assembled according to claim 1, it is characterised in that：The positioning branch
Frame is connect with upper casing to be connected to the other end of magnetic shoe ring.
3. a kind of brushless DC motor rotor securely assembled according to claim 2, it is characterised in that：The positioning branch
By screw, either buckle or back-off connect frame with upper casing.
4. a kind of brushless DC motor rotor securely assembled according to claim 1, it is characterised in that：The positioning branch
Frame is arranged on lower casing, and lower casing is connect with upper casing so that locating support is connected to the other end of magnetic shoe ring.
5. a kind of brushless DC motor rotor securely assembled according to claim 1, it is characterised in that：It further include structure
Glue-line, which is arranged between upper casing and magnetic shoe ring so that the two bonds.
6. a kind of brushless DC motor rotor securely assembled according to claim 1, it is characterised in that：The magnetic shoe is in
With cambered class trapezoidal shape.
7. a kind of brushless DC motor rotor securely assembled according to claim 1, it is characterised in that：The upper casing with
By screw, either buckle or back-off connect lower casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374431.8U CN208015478U (en) | 2018-03-19 | 2018-03-19 | A kind of brushless DC motor rotor securely assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374431.8U CN208015478U (en) | 2018-03-19 | 2018-03-19 | A kind of brushless DC motor rotor securely assembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208015478U true CN208015478U (en) | 2018-10-26 |
Family
ID=63889698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820374431.8U Active CN208015478U (en) | 2018-03-19 | 2018-03-19 | A kind of brushless DC motor rotor securely assembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208015478U (en) |
-
2018
- 2018-03-19 CN CN201820374431.8U patent/CN208015478U/en active Active
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