CN209046392U - Increase journey alternator shaft mounting structure - Google Patents
Increase journey alternator shaft mounting structure Download PDFInfo
- Publication number
- CN209046392U CN209046392U CN201821665724.8U CN201821665724U CN209046392U CN 209046392 U CN209046392 U CN 209046392U CN 201821665724 U CN201821665724 U CN 201821665724U CN 209046392 U CN209046392 U CN 209046392U
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- shaft
- location hole
- rotor
- segment
- mounting structure
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Abstract
The utility model provides a kind of increasing journey alternator shaft mounting structure, including shaft and rotor, the rotor are fixed on shaft, further include locking piece, locating part；It is provided with location hole in the shaft, and is formed with wall in location hole periphery；The shaft includes first segment and second segment；The rotor is fixed on first segment；The location hole is opened in first segment；Limiting slot is provided on the rotor；The locating part is fixed on shaft, and is located in limiting slot；The part of the locking piece is arranged in positioning hole, and locking piece is all connected with shaft and rotor.Rotor is preferably fixed in shaft by locating part and locking piece, prevents rotor from loosening with respect to shaft and generates noise or cisco unity malfunction.
Description
Technical field
The utility model relates to technical field of generators, and in particular to a kind of increasing journey alternator shaft mounting structure.
Background technique
New-energy automobile includes pure electric automobile, stroke-increasing electric automobile, hybrid vehicle, fuel battery electric vapour
Vehicle, hydrogen engine automobile, other new-energy automobiles etc..Electric vehicle (BEV) refers to using vehicle power supply as power, uses motor driven
Wheels travel meets the vehicle of road traffic, security legislation requirements.Since effect on environment is smaller with respect to orthodox car,
Its prospects are considered optimistic wildly.
Due to pure electric vehicle absolutely not any pollutant emission in motion, but current electricity memory technology can't
Ensure the enough power reserves of enough vehicles itself, therefore it is exactly fatal weakness that course continuation mileage is short.In order to make up this weakness,
More lasting power supply is provided for electric car, it is common practice to extended-range generator be set in electric vehicle, increase journey
Formula generator can refer to such as Publication No.: a kind of Che Zengcheng disclosed in CN204476555U is generator.Increasing journey generator includes
Electric machine casing, shaft, rotor assembly and field frame assembly；The shaft is installed in shell, and rotor assembly is fixed on shaft, stator
It is fixed in shell；The rotor rotates together with shaft.Rotor is fixed on the mode of shaft in the prior art while being
It is interspersed in shaft by rotor and is fixed by nut, such fixed form is if nut occurs loosening or installing inaccuracy
Noise may be generated or the phenomenon that generator cisco unity malfunction occur.
Utility model content
In order to improve the stability of rotor, the utility model provides a kind of increasing journey alternator shaft mounting structure, including turns
Axis and rotor, the rotor are fixed on shaft, further include locking piece, locating part；Location hole is provided in the shaft, and fixed
Position hole periphery is formed with wall；The shaft includes first segment and second segment；The rotor is fixed on first segment；The location hole is opened
Set on first segment；Limiting slot is provided on the rotor；The locating part is fixed on shaft, and is located in limiting slot；The lock
The part for determining part is arranged in positioning hole, and locking piece is all connected with shaft and rotor.
Preferably, the wall for being formed in location hole periphery offers at least one gap, which runs through the wall, so that fixed
Position hole is connected to by the gap with the space except shaft.
Preferably, the wall for being formed in location hole periphery has elasticity, and some or all of outer surface of the wall offers
Screw thread.
Preferably, the locking piece includes locking pin and nut；The locking pin is interspersed in positioning hole, and locking pin
Outer diameter and the ratio between the internal diameter of location hole be 1.06:1~1.3:1；The nut and the screw thread of wall outer surface are spirally connected.
Preferably, handler is fixed on the nut.
Preferably, the location hole is provided with internal screw thread；The locking pin is provided with external screw thread；The locking pin is bolted in
Positioning hole.
Preferably, the location hole runs through the end face of first segment, and the internal diameter of the location hole is along first segment to second segment
Direction is sequentially increased, and the ratio between maximum inner diameter and minimum diameter are 1:1.2~1:1.5.
The utility model has the beneficial effects that
Compared with prior art, increasing journey alternator shaft mounting structure described in the utility model, including shaft and rotor,
The rotor is fixed on shaft, location hole is provided in the shaft, and be formed with wall in location hole periphery；The shaft includes
First segment and second segment；The rotor is fixed on first segment；The location hole is opened in first segment；It is arranged on the rotor limited
Position slot；The locating part is fixed on shaft, and is located in limiting slot；The part of the locking piece is arranged in positioning hole, and
Locking piece is all connected with shaft and rotor.Rotor is preferably fixed in shaft by locating part and locking piece, prevents rotor
Opposite shaft, which loosens, generates noise or cisco unity malfunction.
Detailed description of the invention
Fig. 1 is a kind of increasing journey alternator shaft mounting structure cross-sectional view in the embodiments of the present invention；
Fig. 2 is a kind of shaft schematic diagram in the embodiments of the present invention
Specific embodiment
In the following, being described further in conjunction with attached drawing 1-2 and specific embodiment to the utility model:
The present embodiment provides a kind of increasing journey alternator shaft mounting structures, including shaft 1, rotor 2, locking piece 3 and limit
Part 4.The rotor 2 is fixed on shaft 1.The locating part 4 is fixed on shaft 2.The locking piece 3 connects with shaft 1 and rotor 2
It connects.
It is provided with location hole 10 in the shaft 1, and is formed with wall 11 in 10 periphery of location hole.The portion of the locking piece 3
Divide or is all arranged in location hole 10.Preferably, some or all of outer surface of the wall 11 offers spiral shell
Line.The wall 11 for being formed in location hole periphery has elasticity.It, can be by the wall when so locking piece 3 being interspersed in location hole 10
11 past surrounding struts a little or the outer diameter of corresponding 1 part of shaft of the wall 11 will increase.The rotor 2 is fixed on
When in shaft 1, due to corresponding 1 part of shaft of the wall 11 outer diameter increase from make rotor 2 contact in 11 outer surface of wall
Frictional force increases, so that the installation of rotor 2 is more stable.
It further, can be by the wall 11 for being formed in 10 periphery of location hole in order to reduce production cost and production difficulty
At least one gap 12 is offered, which runs through the wall 11, so that except location hole 10 is by the gap 12 and shaft 1
Space connection.Or some or all of of the wall 11 is divided at least two parts, when locking piece 3 is interspersed in
When in location hole 10, the gap 12 be will increase, to reach the feelings for increasing the outer diameter of corresponding 1 part of shaft of the wall 11
Condition.The location hole 10 can be provided with internal screw thread, to increase the frictional force between locking piece 3 and location hole 10, mode turns
The case where being loosened after son installation.Facilitate the installation locking piece 3 can be in all or part of setting of the outer surface of wall
External screw thread.
The shaft 1 includes first segment 13 and second segment 14.The rotor 2 is fixed on first segment 13.The location hole 10
It is opened in first segment 13.
Limiting slot 21 is provided on the rotor 2.The locating part 4 is fixed in limiting slot 21.Locking piece 3 can be passed through
And rotor 2 is fixed in shaft 1 by locating part 4.
In order to which preferably rotor 2 is fixed, the location hole 10 runs through the end face of first segment 13, the location hole 10
Internal diameter is sequentially increased or reduces along the direction of first segment 13 to second segment 14.10 maximum inner diameter of location hole and minimum diameter
The ratio between be 1:1.2~1:1.5.
Preferably, the locking piece 3 includes locking pin 31 and nut 32.The locking pin 31 is interspersed in location hole
It is interior.In order to preferably strut the wall 11, the present embodiment can pass through the internal diameter by the outer diameter of locking pin 31 slightly larger than location hole 10.
Such as the ratio between the outer diameter of the locking pin 31 and the internal diameter of location hole 10 are 1.06:1~1.3:1.The nut 32 and wall 11
The screw thread of outer surface is spirally connected.In order to preferably position the locking pin 31.Can with locking pin 31 outer surface be arranged screw thread, will
The locking pin 31 is bolted in location hole 10.In order to preferably install nut 32, be fixed on the nut 32 handler or
Person's location indentations (not shown).
The increasing journey alternator shaft mounting structure of the utility model is being determined by being provided with location hole 10 in shaft 1
Position 10 periphery of hole is formed with wall 11.Limiting slot 21 is provided on the rotor 2.Locating part 4 is fixed on shaft 1, and is located at
In limiting slot 21, realize that rotor 2 is limited by locating part 4 during installation, and then realize and rotor 2 is installed on predetermined position
Place.The part of the locking piece 3 is arranged in location hole 10, and locking piece 3 is all connected with shaft 1 and rotor 2.Utilize limit
Rotor 2 is preferably fixed in shaft 1 by part 4 and locking piece 3, prevents the loosening of shaft 1 relatively of rotor 2 from generating noise or cannot
It works normally.To improve the service life for increasing journey alternator shaft mounting structure.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
It should be understood that embodiment described above is only the utility model a part of the embodiment, rather than all
Embodiment.Embodiment and the "an" of singular used in the attached claims, " described " and "the" are also intended to
Including most forms, unless the context clearly indicates other meaning.
Claims (7)
1. a kind of increasing journey alternator shaft mounting structure, including shaft and rotor, the rotor are fixed on shaft, feature exists
In: it further include locking piece, locating part；It is provided with location hole in the shaft, and is formed with wall in location hole periphery；The shaft
Including first segment and second segment；The rotor is fixed on first segment；The location hole is opened in first segment；It is arranged on the rotor
There is limiting slot；The locating part is fixed on shaft, and is located in limiting slot；The part of the locking piece is arranged in positioning hole,
And locking piece is all connected with shaft and rotor.
2. increasing journey alternator shaft mounting structure according to claim 1, it is characterised in that: be formed in location hole periphery
Wall offers at least one gap, which runs through the wall, so that location hole is connected by the space except the gap and shaft
It is logical.
3. increasing journey alternator shaft mounting structure according to claim 1 or 2, it is characterised in that: be formed in outside location hole
The wall in week has elasticity, and some or all of outer surface of the wall offers screw thread.
4. increasing journey alternator shaft mounting structure according to claim 3, it is characterised in that: the locking piece includes locking
Pin and nut；It is 1.06:1 that the locking pin, which is interspersed in the ratio between positioning hole, and internal diameter of the outer diameter of locking pin and location hole,
~1.3:1；The nut and the screw thread of wall outer surface are spirally connected.
5. increasing journey alternator shaft mounting structure according to claim 4, it is characterised in that: be fixed with and turn on the nut
Dynamic handle.
6. increasing journey alternator shaft mounting structure according to claim 5, it is characterised in that: in the location hole is provided with
Screw thread；The locking pin is provided with external screw thread；The locking pin is bolted in positioning hole.
7. increasing journey alternator shaft mounting structure according to claim 1 or 2, it is characterised in that: the location hole runs through
The internal diameter of the end face of first segment, the location hole is sequentially increased along the direction of first segment to second segment, in maximum inner diameter and minimum
The ratio between diameter is 1:1.2~1:1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821665724.8U CN209046392U (en) | 2018-10-15 | 2018-10-15 | Increase journey alternator shaft mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821665724.8U CN209046392U (en) | 2018-10-15 | 2018-10-15 | Increase journey alternator shaft mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209046392U true CN209046392U (en) | 2019-06-28 |
Family
ID=67035932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821665724.8U Active CN209046392U (en) | 2018-10-15 | 2018-10-15 | Increase journey alternator shaft mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209046392U (en) |
-
2018
- 2018-10-15 CN CN201821665724.8U patent/CN209046392U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |