CN207459900U - For the hollow rotating shaft of the V belt translation key of motor - Google Patents
For the hollow rotating shaft of the V belt translation key of motor Download PDFInfo
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- CN207459900U CN207459900U CN201721687868.9U CN201721687868U CN207459900U CN 207459900 U CN207459900 U CN 207459900U CN 201721687868 U CN201721687868 U CN 201721687868U CN 207459900 U CN207459900 U CN 207459900U
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Abstract
The utility model provides a kind of hollow rotating shaft of the V belt translation key for motor, is related to machine shaft technical field, the machine shaft for solving V belt translation spline in the prior art there is technical issues that weight.The device includes rotational support section, hollow body section and power output section, wherein, hollow body section is the structure of inner hollow, rotational support section and power output section are connected respectively with the both ends on hollow body section axial direction, rotational support section, power output Duan Junyu electric machine casings are rotatablely connected, and driving key is provided in power output section；Power output section can be exported the rotational power of motor by driving key；Both rotational support section and hollow body section are an integral structure, alternatively, both hollow body section and power output section are an integral structure, alternatively, rotational support section, hollow body section and power output section three are independent component and are fixed together.The utility model is for reducing machine shaft weight, raising torque output efficiency.
Description
Technical field
The utility model is related to machine shaft technical field, more particularly, to a kind of the hollow of V belt translation key for motor
Shaft.
Background technology
Traditional motor includes casing, shaft, rotor assembly and stator module, wherein, shaft is generally solid shafting, shaft
Through rotor assembly, one end of shaft is engaged by bearing with the end cap on casing, and the other end of bearing is power output end.
Existing most of motors are solid spindle, and solid spindle weight is big, constrain hugeization of motor and the output effect of torque
Rate, and the cost of solid spindle is higher.
Applicants have discovered that at least there are following technical problems for the prior art：
The machine shaft of existing V belt translation spline there is technical issues that weight is big, torque output efficiency.
Utility model content
The purpose of this utility model is to provide the hollow rotating shaft of the V belt translation key for motor, to solve in the prior art
The machine shaft of existing V belt translation spline there is technical issues that weight.In many technical solutions provided by the utility model
The many technique effects elaboration as detailed below that can be generated of optimal technical scheme.
To achieve the above object, the utility model provides following technical scheme：
The hollow rotating shaft of a kind of V belt translation key for motor provided by the utility model, including rotational support section, hollow
Main paragraph and power output section, wherein,
The hollow body section is the structure of inner hollow, the rotational support section and the power output section respectively with institute
The both ends stated on hollow body section axial direction are connected, the rotational support section, the power output Duan Junyu electric machine casings
It is rotatablely connected, driving key is provided in the power output section；The power output section can be by the driving key by motor
Rotational power exports；
Both the rotational support section and described hollow body section are an integral structure, alternatively, the hollow body section with
Both described power output sections are an integral structure, alternatively, the rotational support section, the hollow body section and the power are defeated
Go out a section three and be independent component to be fixed together.
Preferably, the rotational support section, the hollow body section and the power output section three are independent component,
And hollow body section described in the rotational support section and the power output Duan Junyu is welded to connect.
Preferably, the rotational support section offers cavity close to one end of the hollow body section；Alternatively, the rotation
Supporting section is hollow structure inside；Alternatively, the rotational support section is solid construction.
Preferably, the rotational support section includes supporting section main part and the supporting section being connected with the supporting section main part
Connecting portion, in the hollow body section, the supporting section main part is engaged the supporting section connecting portion with motor bearings.
Preferably, the driving key is external splines；The power output section is opened up close to one end of the hollow body section
There is cavity；Alternatively, the power output section is hollow structure inside；Alternatively, the power output section is solid construction.
Preferably, the power output section includes the first transmission main part, lug boss, the first drive connection portion, and described the
One transmission main part, the lug boss and the first drive connection portion are sequentially connected, and the first drive connection portion is located at institute
It states in hollow body section, the outer surface of the first transmission main part is provided with the driving key, and the diameter of the lug boss is big
It is engaged in the outer diameter of the hollow body section and the lug boss with rotor core laminations.
Preferably, the driving key is internal spline；The power output section is cavity body structure；Alternatively, the power output
Section is hollow structure inside.
Preferably, the power output section includes the second transmission main part and be connected with the described second transmission main part the
Two drive connection portions, the second transmission main body section is in the hollow body section and inside of the second transmission main part
The driving key is provided with, the diameter in the second drive connection portion is more than the outer diameter of the hollow body section.
Preferably, the hollow body section is provided with and the matched screw thread of lantern ring close to described rotational support section one end.
Preferably, the rotational support section is punch forming part；The power output section is cold-heading molding part；The transmission
Key is machining；The hollow rotating shaft of the V belt translation key is Surface heat-treatent and thermo-chemical treatment part.
The utility model provides the hollow rotating shaft of the V belt translation key for motor, is passed with solving band in the prior art
The machine shaft of dynamic spline there is technical issues that weight, and hollow body section is the structure of inner hollow, reduces V belt translation
The weight of key shaft improves torque output efficiency, solves the problems, such as that solid spindle restricts hugeization of motor；Rotational support
Section, hollow body section and power output section three are independent component and are fixed together, realize V belt translation key hollow turn
Axle module metaplasia is produced, and improves the efficiency of the hollow rotating shaft of manufacture V belt translation key, and commercial yields metaplasia production easy to implement reduces dimension
Accomplish this；The inside of rotational support section and power output section is cavity body structure or inside is hollow structure, is further reduced
The weight of V belt translation key shaft.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the hollow rotating shaft of the V belt translation key for motor；
Fig. 2 is the sectional view of the hollow rotating shaft of another V belt translation key for motor；
Fig. 3 is equipped with the internal structure schematic diagram of the motor of the hollow rotating shaft of V belt translation key.
1- rotational supports section in figure；11- supporting section main parts；12- supporting section connecting portions；2- hollow body sections；3- power
Deferent segment；31- first is driven main part；The first drive connections of 32- portion；33- second is driven main part；34- second is sequentially connected
Portion；35- lug bosses；4- driving keys；5- rotor core laminations；6- lantern rings；7- screw threads.
Specific embodiment
It, below will be to the technology of the utility model to make the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Obtained all other embodiment is put, belongs to the scope that the utility model is protected.
Referring to Fig. 1-Fig. 3, the utility model provides a kind of hollow rotating shaft of the V belt translation key for motor, including rotating
Supporting section 1, hollow body section 2 and power output section 3, wherein, hollow body section 2 be inner hollow structure, rotational support section 1
It is connected respectively with the both ends on 2 axial direction of hollow body section with power output section 3, rotational support section 1, power output section 3
It is rotatablely connected with electric machine casing, driving key 4 is provided in power output section 3；Power output section 3 can be by driving key 4 by electricity
The rotational power output of machine；Both rotational support section 1 and hollow body sections 2 are an integral structure, alternatively, hollow body section 2 with
Both power output sections 3 are an integral structure, alternatively, rotational support section 1, hollow body section 2 and 3 three of power output section are only
Vertical component is fixed together.Hollow body section 2 is the structure of inner hollow, according to Analysis of materials mechanics, is passed in shaft
During torque delivery, in terms of radial section, the effect that effective torque is transferred in outer place is bigger, needs to transfer larger torque in shaft
When, it is necessary to the thicker diameter of axle, the hollow rotating shaft of V belt translation key provided by the utility model reduce the weight of V belt translation key shaft
Amount, improves torque output efficiency, solves the problems, such as that solid spindle restricts hugeization of motor；Rotational support section 1, hollow master
Body section 2 and 3 three of power output section are independent component and are fixed together, and by each several part modularized production, improve system
Make the efficiency of the hollow rotating shaft of V belt translation key, commercial yields metaplasia production easy to implement, after the hollow rotating shaft damage of V belt translation key
Damage section is only needed to change, reduces maintenance cost.
Optionally embodiment, rotational support section 1, hollow body section 2 and 3 three of power output section are independent portion
Part, and rotational support section 1 and power output section 3 are welded to connect with hollow body section 2.
Optionally embodiment, rotational support section 1 can be solid construction；Turn to further reduce V belt translation key
The weight of axis, rotational support section 1 can offer cavity close to one end of hollow body section 2；Alternatively, rotational support section 1 can be with
For hollow structure inside, the rotational support section 1 that the rotational support section 1 of cavity is hollow structure compared to inside is offered, it can be to prevent
Only sundries enters at rotational support section 1.
Optionally embodiment, rotational support section 1 include supporting section main part 11 and connect with supporting section main part 11
The supporting section connecting portion 12 connect, supporting section connecting portion 12 are located in hollow body section 2, supporting section main part 11 and motor bearings phase
Cooperation.
Optionally embodiment, when driving key 4 is external splines, power output section 3 can be solid construction；In order to
The weight of V belt translation key shaft is further reduced, power output section 3 can offer cavity close to one end of hollow body section 2；
Alternatively, power output section 3 can be hollow structure inside；It is hollow structure that the power output section 3 of cavity, which is offered, compared to inside
Power output section 3, can prevent sundries from entering at rotational support section 1.
When the inside of the inside of rotational support section 1 and power output section 3 is hollow structure, V belt translation key shaft is
Hollow structure inside, shaft it is light-weight, be readily cleaned, and the shaft of hollow structure can be examined to the demand of different operating modes
The problem of considering transmission intensity, when driving key 4 is external splines, power output section 3 is preferably solid construction or is cavity knot
Structure, when power output section 3 is cavity body structure, the depth of cavity does not extend the interior of 4 corresponding power output end 3 of driving key preferably
Portion region, the inside of rotational support section 1 can be hollow structure, at this time from the at one end of rotational support section 1 also band easy to clean
Driving key shaft, the inside of rotational support section 1 or cavity structure or solid construction are at this time inside V belt translation key shaft
Sealing structure prevents foreign matter from entering inside shaft.
Optionally embodiment, power output section 3 includes the first transmission main part 31, lug boss 35, first is driven
Connecting portion 32, the first transmission main part 31,35 and first drive connection portion 32 of lug boss are sequentially connected, the first drive connection position
In in hollow body section 2, the outer surface of the first transmission main part 31 is provided with driving key 4, and the diameter of lug boss 35 is more than hollow
The outer diameter and lug boss 35 of main paragraph 2 are engaged with rotor core laminations 5；The side rotor core laminations 5 of lug boss 35 match
It closes, lug boss 35 is coordinating the lantern ring 6 in hollow body section 2 that rotor core laminations 5 are fixed on to hollow turn of V belt translation key
On axis.
Optionally embodiment, according to the difference of the kind of drive, driving key 4 or internal spline；Rotational support
Section 1 is cavity body structure；Alternatively, rotational support section 1 is hollow structure inside.
Optionally embodiment, power output section 3 include the second transmission main part 33 and are driven main part with second
Second drive connection portion 34 of 33 connections, the second transmission main part 33 is located in hollow body section 2 and the second transmission main part 33
Be internally provided with driving key 4, the diameter in the second drive connection portion 34 is more than the outer diameter of hollow body section 2；Because the second transmission
The diameter of connecting portion 34 is more than the outer diameter of hollow body section 2, and the side rotor core laminations 5 in the second drive connection portion 34 match
It closes, the second drive connection portion 34 is coordinating the lantern ring 6 in hollow body section 2 that rotor core laminations 5 are fixed on V belt translation key
Hollow rotating shaft on.
When driving key 4 be internal spline when, power output section 3 can be cavity body structure or hollow structure inside, this
When, the inside of rotational support section 1 can be hollow structure, or cavity structure can also be solid construction；When rotation branch
When the inside of support section 1 and power output section 3 is hollow structure, V belt translation key shaft is hollow structure inside, the weight of shaft
Amount is light, is readily cleaned, and the shaft of hollow structure can be to the demand of different operating modes；When rotational support section 1 and power output
The inside of section 3 wherein there are one when being hollow structure, i.e., is cavity body structure inside V belt translation key shaft, can realize from shaft
Shaft is cleaned in one end；3 inside of power output section is cavity body structure, and the inside of rotational support section 1 is hollow structure or is solid
Structure, V belt translation key rotating shaft sealing effect are good.
A kind of processing method of the hollow rotating shaft of V belt translation key for motor, comprises the following steps：
S1, prepare workpiece to be added, be processed into rotational support section 1, hollow body section 2 and power output section 3 respectively；
Step S1 comprises the following steps：
S11, the workpiece punching press to be added by rotational support section or cold pier form rotational support section 1；
S12, suitable steel pipe is chosen after processing as hollow body section accessory to be installed, it is to be assembled in hollow body section
Part forms hollow body section 2 close to 1 one end tap out 7 of rotational support section；
The workpiece cold-heading to be added of S13, the section that outputs power simultaneously forms power output section 3 in its surface machining driving key 4；
S2, the both ends that rotational support section 1 and power output section 3 are welded on to hollow body section 2；
Step S2 is further comprising the steps of：
S21, cleaning rotational support section 1, hollow body section 2 and power output section 3；
S22, the both ends formation V belt translation that rotational support section 1 and institute's power output end 3 are welded to hollow body section 2
The hollow rotating shaft part to be formed of key carries out overall surface heat treatment and chemical heat to the hollow rotating shaft of V belt translation key part to be formed
Processing forms the hollow rotating shaft of V belt translation key.
It is in order to which belt passes that Surface heat-treatent and thermo-chemical treatment are carried out to the hollow rotating shaft of V belt translation key part to be formed
Intensity, hardness and other anticorrosions requirement of the hollow rotating shaft of dynamic key.
For step S12, to suitable steel pipe by working process, ensure required essence when hollow body section 2 works
Degree；Screw thread 7 is to be engaged with lantern ring 6, and lantern ring is screwed into hollow body section 2 to coordinate the lug boss of power output section 3
35 are fixed on rotor core laminations 5 on the hollow rotating shaft of V belt translation key.
It is an integral structure in addition, working as both rotational support section 1 and hollow body section 2, rotational support section 1 can be gone out with hot forging
With hollow body section 2, then hot forging is machined out and reaches the required accuracy, then by the hot forging processed with processing
Power output end 3 weld together；When both hollow body section 2 and power output section 3 are an integral structure, work is processed
Skill with it is similar.
The utility model provides the hollow rotating shaft of the V belt translation key for motor, reduces the weight of V belt translation key shaft,
Torque output efficiency is improved, solves the problems, such as that solid spindle restricts hugeization of motor；Realize V belt translation key hollow turn
Axle module metaplasia is produced, and improves the efficiency of the hollow rotating shaft of manufacture V belt translation key, and commercial yields metaplasia production easy to implement reduces dimension
Accomplish this.
The above is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain of profit requirement.
Claims (10)
1. the hollow rotating shaft of a kind of V belt translation key for motor, which is characterized in that including rotational support section (1), hollow body
Section (2) and power output section (3), wherein,
The hollow body section (2) is the structure of inner hollow, the rotational support section (1) and the power output section (3) point
It is not connected with the both ends on hollow body section (2) axial direction, the rotational support section (1), the power output section
(3) it is rotatablely connected with electric machine casing, driving key (4) is provided on the power output section (3)；The power output section (3)
The rotational power of motor can be exported by the driving key (4)；
The rotational support section (1) is an integral structure with the hollow body section (2) the two, alternatively, the hollow body section
(2) it is an integral structure with the power output section (3) the two, alternatively, the rotational support section (1), the hollow body section
(2) it is independent component with the power output section (3) three and is fixed together.
2. the hollow rotating shaft of the V belt translation key according to claim 1 for motor, which is characterized in that the rotational support
Section (1), the hollow body section (2) and the power output section (3) three are independent component, and the rotational support section
(1) it is welded to connect with the power output section (3) with the hollow body section (2).
3. the hollow rotating shaft of the V belt translation key according to claim 2 for motor, which is characterized in that the rotational support
Section (1) offers cavity close to one end of the hollow body section (2)；Alternatively, the rotational support section (1) is inner hollow knot
Structure；Alternatively, the rotational support section (1) is solid construction.
4. the hollow rotating shaft of the V belt translation key according to claim 3 for motor, which is characterized in that the rotational support
Section (1) includes supporting section main part (11) and the supporting section connecting portion (12) being connected with the supporting section main part (11), described
Supporting section connecting portion (12) is located in the hollow body section (2), and the supporting section main part (11) is engaged with motor bearings.
5. the hollow rotating shaft of the V belt translation key according to claim 3 for motor, which is characterized in that the driving key
(4) it is external splines；The power output section (3) offers cavity close to one end of the hollow body section (2)；It is alternatively, described
Power output section (3) is hollow structure inside；Alternatively, the power output section (3) is solid construction.
6. the hollow rotating shaft of the V belt translation key according to claim 5 for motor, which is characterized in that the power output
Section (3) includes the first transmission main part (31), lug boss (35), the first drive connection portion (32), the first transmission main part
(31), the lug boss (35) and the first drive connection portion (32) are sequentially connected, the first drive connection portion (32) position
In the hollow body section (2), the outer surface of the first transmission main part (31) is provided with the driving key (4), described
The diameter of lug boss (35) is more than the outer diameter and the lug boss (35) and rotor core laminations (5) of the hollow body section (2)
It is engaged.
7. the hollow rotating shaft of the V belt translation key according to claim 3 for motor, which is characterized in that the driving key
(4) it is internal spline；The power output section (3) is cavity body structure；Alternatively, the rotational support section (1) is hollow structure inside.
8. the hollow rotating shaft of the V belt translation key according to claim 7 for motor, which is characterized in that the power output
Section (3) includes the second transmission main part (33) and the second drive connection portion being connected with the described second transmission main part (33)
(34), the second transmission main part (33) is located in the hollow body section (2) and described second is driven main part (33)
The driving key (4) is internally provided with, the diameter of the second drive connection portion (34) is more than the outer of the hollow body section (2)
Footpath.
9. the hollow rotating shaft of the V belt translation key for motor according to claim 6 or 8, which is characterized in that described hollow
Main paragraph (2) is provided with and lantern ring (6) matched screw thread (7) close to described rotational support section (1) one end.
10. the hollow rotating shaft of the V belt translation key according to claim 1 for motor, which is characterized in that described to rotate branch
It is punch forming part to support section (1)；The power output section (3) is cold-heading molding part；The driving key is machining for (4)；
The hollow rotating shaft of the V belt translation key is Surface heat-treatent and thermo-chemical treatment part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687868.9U CN207459900U (en) | 2017-12-06 | 2017-12-06 | For the hollow rotating shaft of the V belt translation key of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687868.9U CN207459900U (en) | 2017-12-06 | 2017-12-06 | For the hollow rotating shaft of the V belt translation key of motor |
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| Publication Number | Publication Date |
|---|---|
| CN207459900U true CN207459900U (en) | 2018-06-05 |
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ID=62276559
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721687868.9U Active CN207459900U (en) | 2017-12-06 | 2017-12-06 | For the hollow rotating shaft of the V belt translation key of motor |
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| CN (1) | CN207459900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786029A (en) * | 2017-12-06 | 2018-03-09 | 李彦召 | Hollow rotating shaft and processing method for the V belt translation key of motor |
-
2017
- 2017-12-06 CN CN201721687868.9U patent/CN207459900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786029A (en) * | 2017-12-06 | 2018-03-09 | 李彦召 | Hollow rotating shaft and processing method for the V belt translation key of motor |
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