CN208272779U - A kind of core motor shaft of high-intensitive big torque die forming - Google Patents
A kind of core motor shaft of high-intensitive big torque die forming Download PDFInfo
- Publication number
- CN208272779U CN208272779U CN201820582370.4U CN201820582370U CN208272779U CN 208272779 U CN208272779 U CN 208272779U CN 201820582370 U CN201820582370 U CN 201820582370U CN 208272779 U CN208272779 U CN 208272779U
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- shaft body
- hollow shaft
- construction section
- rotor
- die forming
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of core motor shafts of high-intensitive big torque die forming, including hollow shaft body, the left side outer wall of hollow shaft body to be formed with position limiting convex ring, and the left end of hollow shaft body has extended to form internal keyway inwardly；The inner end of internal keyway is formed with resigning groove in place of being connected with the inner hole of hollow shaft body；The middle part of hollow shaft body is equipped with the flat key slot being connected with rotor core；The external thread section matched with locking nut is formed on the right side of the hollow shaft body；The right side of the hollow shaft body is equipped with the bearing construction section of installation bearing；The right side of the hollow shaft body is equipped with the rotation change rotor construction section for becoming rotor for installing rotation；The right side of the hollow shaft body is electric motor end cap construction section.The utility model structure is simple, and convenient for operation, using die forging mode, blanking presses 1.23 times of blankings of finished product, carries out die forging with finish forge mould, there was only 2.22Kg using die forging material, stock utilization reaches 81.1%.
Description
Technical field
The utility model relates to technical field of motors more particularly to a kind of hollow electricity of high-intensitive big torque die forming
Machine shaft.
Background technique
Conventional motors shaft is solid shafting steel, weighs about 6.04Kg, actually there was only 1.8Kg after smart car, generate 4.24Kg waste material,
Stock utilization only has 29.8%, wastes material, and enterprise's production cost is high.
Utility model content
It is simple that a kind of structure is provided the purpose of the utility model is to overcome above-mentioned shortcoming in the prior art, is saved
About cost, the core motor shaft of the big torque die forming of practical high intensity.
The utility model is realized in the following way:
A kind of core motor shaft of high-intensitive big torque die forming, it is characterised in that: described including hollow shaft body
The left side outer wall of hollow shaft body is formed with position limiting convex ring, and the left end of the hollow shaft body has extended to form inwardly and the sun
The internal keyway that wheel shaft matches；The inner end of the internal keyway is formed with resigning in place of being connected with the inner hole of hollow shaft body recessed
Slot；The middle part of the hollow shaft body is equipped with the flat key slot being connected with rotor core；The right side of the hollow shaft body is formed
There is the external thread section matched with locking nut；The right side of the hollow shaft body is equipped with the bearing construction section of installation bearing, institute
State the right side that bearing construction section is located at external thread section；The right side of the hollow shaft body is equipped with the rotation change for becoming rotor for installing rotation
Rotor construction section, the rotation become the right side that rotor construction section is located at bearing construction section；The right side of the hollow shaft body is motor
End cap construction section, the electric motor end cap construction section are located at the right side that rotation becomes rotor construction section.
Further, the resigning groove is located at the inside of position limiting convex ring.
Further, the quantity of the internal keyway is eight.
Further, the hollow shaft body is equipped with escape, and the escape is located at the two sides of external thread section.
Further, the rotation, which becomes on rotor construction section, offers rotation change rotor keyway.
Further, the rotation, which becomes between rotor construction section and electric motor end cap construction section, is formed with lead-over groove.
It further, is circular sliding slopes between the both ends of the position limiting convex ring and the outer wall of hollow shaft body.
The utility model has the beneficial effects that: structure is simple, convenient for operation, using die forging mode, blanking is by finished product
1.23 times of blankings, carry out die forging with finish forge mould, there was only 2.22Kg using die forging material, stock utilization reaches 81.1%.
Detailed description of the invention
Fig. 1 the utility model structure diagram；
Fig. 2 the utility model the structure left view；
Fig. 3 is P-P cross-sectional view in Fig. 1；
The hollow shaft body of Fig. 4 the utility model expects the structural schematic diagram after die forging from down；
Fig. 5 the utility model usage state diagram.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.It should be appreciated that the embodiments of the present invention is not limited by the following examples, the utility model is done any
Formal accommodation and/or change falls within scope of protection of the utility model.
Embodiment:
A kind of core motor shaft of high-intensitive big torque die forming, as shown in Figure 1, Figure 2, Figure 3 shows, including hollow shaft sheet
Body 1, the left side outer wall of hollow shaft body 1 are formed with position limiting convex ring 11, the left end of hollow shaft body 1 extended to form inwardly with
The internal keyway 12 that sun wheel shaft matches；The inner end of internal keyway 12 is formed in place of being connected with the inner hole of hollow shaft body 1 and allows
Position groove 13；The middle part of hollow shaft body 1 is equipped with the flat key slot 14 being connected with rotor core；The right side shape of hollow shaft body 1
The external thread section 15 that Cheng Youyu locking nut matches；The right side of the hollow shaft body 1 is equipped with the bearing installation of installation bearing
Section 17, the bearing construction section 17 is located at the right side of external thread section 15；The right side of hollow shaft body 1 is equipped with to be turned for installing rotation change
The rotation of son becomes rotor construction section 18, and rotation becomes the right side that rotor construction section 18 is located at bearing construction section 17；The right side of hollow shaft body 1
For electric motor end cap construction section 20, electric motor end cap construction section 20 is located at the right side that rotation becomes rotor construction section 18.
In the present embodiment, resigning groove 13 is located at the inside of position limiting convex ring 11.
In the present embodiment, the quantity of internal keyway 12 is eight.
In the present embodiment, hollow shaft body 1 is equipped with escape 16, and the escape 16 is located at the two of external thread section 15
Side.
In the present embodiment, rotation, which becomes on rotor construction section 18, offers rotation change rotor keyway 19, facilitates installation.
In the present embodiment, rotation, which becomes between rotor construction section 18 and electric motor end cap construction section 20, is formed with lead-over groove 21.
It is circular sliding slopes between the both ends of position limiting convex ring 11 and the outer wall of hollow shaft body 1 in the present embodiment.
In the present embodiment, as shown in figure 4, using die forging mode, 1.23 times of blankings of finished product are pressed in blanking, with finish forge mould into
Row die forging is at structure shown in Fig. 4, then carries out the processing of other stations, there was only 2.22Kg using die forging material, stock utilization reaches
To 81.1%.
In use, retarder 2 is connected on the left of hollow shaft as shown in figure 5, the correlated parts of hollow axis connection motor,
Retarder 2 is connected with differential mechanism 3.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of core motor shaft of high-intensitive big torque die forming, it is characterised in that: including hollow shaft body (1), institute
The left side outer wall for stating hollow shaft body (1) is formed with position limiting convex ring (11), and the left end of the hollow shaft body (1) extends inwardly
It is formed with the internal keyway (12) matched with sun wheel shaft；The inner end of the internal keyway (12) and the inner hole of hollow shaft body (1)
The place that is connected is formed with resigning groove (13)；The middle part of the hollow shaft body (1) is flat equipped with what is be connected with rotor core
Keyway (14)；The external thread section (15) matched with locking nut is formed on the right side of the hollow shaft body (1)；It is described hollow
The right side of shaft body (1) is equipped with the bearing construction section (17) of installation bearing, and the bearing construction section (17) is located at external thread section
(15) right side；The right side of the hollow shaft body (1) is equipped with rotation change rotor construction section (18) for becoming rotor for installing rotation, institute
It states rotation and becomes the right side that rotor construction section (18) are located at bearing construction section (17)；The right side of the hollow shaft body (1) is motor side
Lid construction section (20), the electric motor end cap construction section (20) are located at the right side that rotation becomes rotor construction section (18).
2. a kind of core motor shaft of high-intensitive big torque die forming according to claim 1, it is characterised in that: institute
State the inside that resigning groove (13) is located at position limiting convex ring (11).
3. a kind of core motor shaft of high-intensitive big torque die forming according to claim 1, it is characterised in that: institute
The quantity for stating internal keyway (12) is eight.
4. a kind of core motor shaft of high-intensitive big torque die forming according to claim 1, it is characterised in that: institute
Hollow shaft body (1) is stated equipped with escape (16), the escape (16) is located at the two sides of external thread section (15).
5. a kind of core motor shaft of high-intensitive big torque die forming according to claim 1, it is characterised in that: institute
It states and offers rotation change rotor keyway (19) in rotation change rotor construction section (18).
6. a kind of core motor shaft of high-intensitive big torque die forming according to claim 1, it is characterised in that: institute
It states and is formed with lead-over groove (21) between rotation change rotor construction section (18) and electric motor end cap construction section (20).
7. a kind of core motor shaft of high-intensitive big torque die forming according to claim 1, it is characterised in that: institute
It states between the both ends of position limiting convex ring (11) and the outer wall of hollow shaft body (1) as circular sliding slopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820582370.4U CN208272779U (en) | 2018-04-23 | 2018-04-23 | A kind of core motor shaft of high-intensitive big torque die forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820582370.4U CN208272779U (en) | 2018-04-23 | 2018-04-23 | A kind of core motor shaft of high-intensitive big torque die forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208272779U true CN208272779U (en) | 2018-12-21 |
Family
ID=64680605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820582370.4U Active CN208272779U (en) | 2018-04-23 | 2018-04-23 | A kind of core motor shaft of high-intensitive big torque die forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208272779U (en) |
-
2018
- 2018-04-23 CN CN201820582370.4U patent/CN208272779U/en active Active
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