CN209072246U - A kind of motor shaft structure - Google Patents
A kind of motor shaft structure Download PDFInfo
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- CN209072246U CN209072246U CN201821944038.4U CN201821944038U CN209072246U CN 209072246 U CN209072246 U CN 209072246U CN 201821944038 U CN201821944038 U CN 201821944038U CN 209072246 U CN209072246 U CN 209072246U
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- hole
- motor shaft
- axis body
- section
- internal spline
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Abstract
The utility model discloses a kind of motor shaft structures, including the whole motor shaft body in cylindrical structure, are equipped with threaded connection hole in one end end face of motor shaft body, are equipped with internal spline away from one end of the threaded connection hole in motor shaft body；It is characterized in that, the motor shaft body includes axis body section, through-hole is provided with to form Lightened structure along its own axis in axis body section, the internal spline is equipped on the internal perisporium of described through-hole one end, one end in the through-hole away from the internal spline is fixedly connected with the whole axis body linkage section in cylindrical structure, and the threaded connection hole is equipped on the outer end end face of axis body linkage section.The utility model, which has, can be improved processing efficiency, reduce processing cost, the more preferable advantage of weight loss effect.
Description
Technical field
The utility model belongs to motor shaft technical field, in particular to a kind of motor shaft structure.
Background technique
Axis is the cylindrical object being through among bearing or among wheel or among gear, but also having is partially square
's.Axis be support rotary part and turn round therewith with passing movement,TorqueOr the machine components of moment of flexure.Generally round metal
Rod-shaped, each section can have different diameters.The part for making rotary motion in machine is just mounted on axis.
Motor shaft is for coaxial being set to inside motor stator and be fixedly installed with motor stator, and for will be electric
The component of machine torque output.
A kind of existing motor shaft is used to connect with external component as shown in Figure 1, one end of axis is equipped with connection screw thread hole
It connects, the other end of axis is blind hole structure, and is equipped in blind hole internal spline structure for being connect with ex-ternal transmission with by motor
Power transmission is gone out.One end that above-mentioned motor shaft is equipped with internal spline is blind hole structure, and internal spline is added using gear shaping process
Work, the processing method of gear shaping makes it, and processing efficiency is low, and processing cost is very high.
Therefore, how can provide one kind can be improved processing efficiency, reduce processing cost, and weight loss effect is preferably electric
Arbor structure, becoming those skilled in the art has technical problem to be solved.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of energy
Processing efficiency is enough improved, processing cost, the better motor shaft structure of weight loss effect are reduced.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of motor shaft structure, including the whole motor shaft body in cylindrical structure, at one end end of motor shaft body
Face is equipped with threaded connection hole, is equipped with internal spline away from one end of the threaded connection hole in motor shaft body；It is characterized in that,
The motor shaft body includes axis body section, is provided with through-hole to form Lightened structure, in institute along its own axis in axis body section
The internal perisporium for stating through-hole one end is equipped with the internal spline, and one end in the through-hole away from the internal spline is fixedly connected with
Whole is in the axis body linkage section of cylindrical structure, and the threaded connection hole is equipped on the outer end end face of axis body linkage section.
In this way, two sections can be respective by setting end to end axis body section and axis body linkage section for motor shaft body
It is reconnected together after being processed respectively, processing can be facilitated.Axis body section is provided with through-hole, can facilitate using broaching
Mode processes internal spline, and the motor shaft relative to original structure can be improved processing efficiency by the way of slotting, drop
Low processing cost.And through-hole is provided with to form Lightened structure along its own axis in axis body section, can preferably be reduced
The quality of above-mentioned motor shaft.And because being provided that a through-hole in axis body section, additionally it is possible to it is more convenient that it is quenched, so that
Quenching effect is more preferable, more uniform.
As optimization, the inner end of the axis body linkage section is plugged and fixed in the through-hole in axis body section.
In this way, axis body linkage section and the connection structure of axis body section are more simple, can more convenient axis body linkage section with
The connection of axis body section.
As optimization, the inner end of the axis body linkage section and the through-hole in axis body section are interference fit.
In this way, making the connection between axis body linkage section and axis body section relatively reliable, the reliability of work is improved.
As optimization, the inner end of the axis body linkage section and through-hole are H6/s6 cooperation.
In this way, interference fit is more reasonable using H6/s6, enable to more reliable after connecting.
As optimization, the through-hole shoulder hole structure small in the big right end diameter of left end diameter, and the internal spline is corresponding
Be arranged on the reduced diameter section of through-hole.
In such manner, it is possible to the wire pulling method of more convenient pair of internal spline, and when carrying out wire pulling method to internal spline, so that logical
The enlarged diameter section in hole can be good at stepping down to broaching tool, to facilitate wire pulling method.
As optimization, in the reduced diameter section of the through-hole and the inner end of interval internal spline is equipped with whole structure cylindrical
Sprue, the periphery wall of the sprue and the internal perisporium of through-hole reduced diameter section are affixed with merging so that corresponding through-hole in axis body section
Reduced diameter section is in blind hole structure.
In this way, entire motor shaft is in use, air-flow is enabled to not carry out axial direction because of the rotation of motor shaft
Play reduces idle work when motor shaft rotation, improves transmission efficiency.
As optimization, one end away from the internal spline on sprue is equipped with threaded hole.
In this way, protruded by a threaded rod from the enlarged diameter section of through-hole, and after being connected and fixed with threaded hole, can facilitate
Sprue is pulled out.
As optimization, 15mm is divided between sprue and internal spline inner end.
In this way, the spacing of design is more reasonable, the effect of the lubrication in internal spline can be improved, the protection to internal spline
Effect is more preferable.
As optimization, the outer end of the reduced diameter section of through-hole is equipped with rounding corner structure.
In such manner, it is possible to which more convenient be driven cooperation with it with being inserted partially into internal spline for internal spline butt transmission.
As optimization, it is equipped with the shaft shoulder away from one end of internal spline in axis body section, and on the outer peripheral surface of axis body section uniformly
Set there are four along axis body segment length direction setting mounting groove, and the mounting groove run through axis body section whole length direction.
In such manner, it is possible to which convenient install motor stator on motor shaft, preferably keep between motor shaft and rotor
It is connected and fixed.
As optimization, the material of the axis body section is 20Cr.
In this way, the selection of axis body section is more reasonable, torque can be preferably transmitted.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of motor shaft in the prior art.
Fig. 2 is the structural schematic diagram of motor shaft in specific embodiment of the present invention.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
When specific implementation: as shown in Fig. 2, a kind of motor shaft structure, is in the motor shaft body of cylindrical structure including entirety,
It is equipped with threaded connection hole in one end end face of motor shaft body, one end in motor shaft body away from the threaded connection hole is set
There is internal spline；It is characterized in that, the motor shaft body includes axis body section 1, it is provided in axis body section along its own axis logical
Hole is equipped with the internal spline 2 to form Lightened structure on the internal perisporium of described through-hole one end, away from described in the through-hole
One end of internal spline is fixedly connected with the whole axis body linkage section 3 in cylindrical structure, and in the outer end end face of axis body linkage section
It is equipped with the threaded connection hole 4.
In this way, two sections can be respective by setting end to end axis body section and axis body linkage section for motor shaft body
It is reconnected together after being processed respectively, processing can be facilitated.Axis body section is provided with through-hole, can facilitate using broaching
Mode processes internal spline, and the motor shaft relative to original structure can be improved processing efficiency by the way of slotting, drop
Low processing cost.And through-hole is provided with to form Lightened structure along its own axis in axis body section, can preferably be reduced
The quality of above-mentioned motor shaft.And because being provided that a through-hole in axis body section, additionally it is possible to it is more convenient that it is quenched, so that
Quenching effect is more preferable, more uniform.
In present embodiment, the inner end of the axis body linkage section 3 is plugged and fixed in the through-hole in axis body section.
In this way, axis body linkage section and the connection structure of axis body section are more simple, can more convenient axis body linkage section with
The connection of axis body section.
In present embodiment, the inner end of the axis body linkage section 3 and the through-hole in axis body section are interference fit.
In this way, making the connection between axis body linkage section and axis body section relatively reliable, the reliability of work is improved.
In present embodiment, the inner end of the axis body linkage section 3 and through-hole are H6/s6 cooperation.
In this way, interference fit is more reasonable using H6/s6, enable to more reliable after connecting.
In present embodiment, the through-hole shoulder hole structure small in the big right end diameter of left end diameter, and it is described interior
Spline 2 is corresponding to be arranged on the reduced diameter section of through-hole.
In such manner, it is possible to the wire pulling method of more convenient pair of internal spline, and when carrying out wire pulling method to internal spline, so that logical
The enlarged diameter section in hole can be good at stepping down to broaching tool, to facilitate wire pulling method.
In present embodiment, in the reduced diameter section of the through-hole and the inner end of interval internal spline is equipped with integrally in cylinder
The sprue 5 of shape structure, the periphery wall of the sprue, which is affixed to match with the internal perisporium of through-hole reduced diameter section, to be merged so that axis body section on pair
The reduced diameter section for the through-hole answered is in blind hole structure.
In this way, entire motor shaft is in use, air-flow is enabled to not carry out axial direction because of the rotation of motor shaft
Play reduces idle work when motor shaft rotation, improves transmission efficiency.
In present embodiment, one end away from the internal spline on sprue 5 is equipped with threaded hole.
In this way, protruded by a threaded rod from the enlarged diameter section of through-hole, and after being connected and fixed with threaded hole, can facilitate
Sprue is pulled out.
In present embodiment, sprue 5 and internal spline are divided into 15mm between 2 inner end.
In this way, the spacing of design is more reasonable, the effect of the lubrication in internal spline can be improved, the protection to internal spline
Effect is more preferable.
In present embodiment, the outer end of the reduced diameter section of through-hole is equipped with rounding corner structure.
In such manner, it is possible to which more convenient be driven cooperation with it with being inserted partially into internal spline for internal spline butt transmission.
In present embodiment, it is equipped with the shaft shoulder away from one end of internal spline in axis body section 1, and in the periphery of axis body section
Along the mounting groove of axis body segment length direction setting there are four uniformly setting on face, and the mounting groove runs through the entire length of axis body section
Spend direction.
In such manner, it is possible to which convenient install motor stator on motor shaft, preferably keep between motor shaft and rotor
It is connected and fixed.
In present embodiment, the material of the axis body section 1 is 20Cr.
In this way, the selection of axis body section is more reasonable, torque can be preferably transmitted.
Claims (8)
1. a kind of motor shaft structure, including the whole motor shaft body in cylindrical structure, in one end end face of motor shaft body
Equipped with threaded connection hole, internal spline is equipped with away from one end of the threaded connection hole in motor shaft body；It is characterized in that, institute
Stating motor shaft body includes axis body section (1), is provided with through-hole to form Lightened structure, in institute along its own axis in axis body section
The internal perisporium for stating through-hole one end is equipped with the internal spline (2), and away from one end of the internal spline, connection is solid in the through-hole
Surely there is the whole axis body linkage section (3) in cylindrical structure, and be equipped with the screw thread on the outer end end face of axis body linkage section and connect
Connect hole (4)；The through-hole shoulder hole structure small in the big right end diameter of left end diameter, and the corresponding setting of the internal spline (2)
On the reduced diameter section of through-hole；In the reduced diameter section of the through-hole and the inner end of interval internal spline is equipped with whole structure cylindrical
Sprue (5), the periphery wall of the sprue and the internal perisporium of through-hole reduced diameter section be affixed with merge so that in axis body section it is corresponding
The reduced diameter section of through-hole is in blind hole structure.
2. a kind of motor shaft structure as described in claim 1, which is characterized in that the inner end grafting of the axis body linkage section (3)
It is fixed in the through-hole in axis body section.
3. a kind of motor shaft structure as claimed in claim 2, which is characterized in that the inner end of the axis body linkage section (3) and axis
Through-hole in body section is interference fit.
4. a kind of motor shaft structure as claimed in claim 3, which is characterized in that the inner end of the axis body linkage section (3) and logical
Hole is H6/s6 cooperation.
5. a kind of motor shaft structure as described in claim 1, which is characterized in that deviate from the internal spline on sprue (5)
One end be equipped with threaded hole (6).
6. a kind of motor shaft structure as described in claim 1, which is characterized in that the interval of sprue (5) and internal spline (2) inner end
For 15mm.
7. a kind of motor shaft structure as described in claim 1, which is characterized in that the outer end of the reduced diameter section of through-hole is equipped with rounding
Corner structure.
8. a kind of motor shaft structure as described in claim 1, which is characterized in that deviate from the one of internal spline on axis body section (1)
End is equipped with the shaft shoulder, and uniformly sets on the outer peripheral surface of axis body section that there are four the mounting grooves along the setting of axis body segment length direction, and
The mounting groove runs through the whole length direction of axis body section；
The material of the axis body section (1) is 20Cr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821944038.4U CN209072246U (en) | 2018-11-23 | 2018-11-23 | A kind of motor shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821944038.4U CN209072246U (en) | 2018-11-23 | 2018-11-23 | A kind of motor shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209072246U true CN209072246U (en) | 2019-07-05 |
Family
ID=67100249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821944038.4U Active CN209072246U (en) | 2018-11-23 | 2018-11-23 | A kind of motor shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209072246U (en) |
-
2018
- 2018-11-23 CN CN201821944038.4U patent/CN209072246U/en active Active
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