CN208479331U - A kind of motor of electric motor car flywheel anti-loosing device and electric bicycle motor end cover - Google Patents
A kind of motor of electric motor car flywheel anti-loosing device and electric bicycle motor end cover Download PDFInfo
- Publication number
- CN208479331U CN208479331U CN201820803323.8U CN201820803323U CN208479331U CN 208479331 U CN208479331 U CN 208479331U CN 201820803323 U CN201820803323 U CN 201820803323U CN 208479331 U CN208479331 U CN 208479331U
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- Prior art keywords
- electric motor
- end cap
- motor
- retaining ring
- flywheel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a kind of motor of electric motor car flywheel anti-loosing device and electric bicycle motor end covers, the motor of electric motor car flywheel anti-loosing device it is characterized in that, the thread head tip male thread face proximal end of the end cap of flywheel is installed, equipped with toroidal cavity, stop retaining ring is placed in the groove, the stop retaining ring is caught in the groove and forms axial limit structure, and the flywheel is by screw threads for fastening between the stop retaining ring and the flywheel end cap step.Under the premise of not changing electric vehicle motor overall structure, it can effectively prevent electric vehicle motor flywheel because of the axial movement that occurs under the influence of by factors such as external force, it is ensured that the safety and firmness of motor flywheels, and then ensure the security and stability of electric vehicle entirety.
Description
Technical field
The utility model relates to vehicle technology field, in particular to a kind of motor of electric motor car flywheel anti-loosing device and
Electric bicycle motor end cover.
Background technique
China is the big country that electric vehicle is produced and used.The vehicles of the electric vehicle as the new era have inexpensively, just
Prompt, environmentally friendly, easy to operate etc. are many a little.Since in recent years, the main walking-replacing tool that electric vehicle is gone on a journey as people's short distance is given
People's lives and work bring great convenience.
Demand with the continuous development and society of vehicle technology to electric vehicle constantly changes, and electric vehicle type also becomes
In varied, wherein just there is a kind of electric vehicle with flywheel.With installation flywheel on such electric vehicle motor flywheel end cap
Thread head, flywheel is then fixed on the thread head of motor flywheels end cap, is attached by chain and sprocket wheel.
Existing electric vehicle flywheel directly passes through helicitic texture and the thread head of electric vehicle motor flywheel end cap carries out fastening company
It connects, the structure for not preventing flywheel from loosening.In flywheel installation process torque of wrenches is insufficient or it is artificial etc. it is other due to
Cause to install not in place, flywheel cannot be preferably fastened on the thread head of motor flywheels end cap.At this time if electric vehicle chain
Other external factor such as tension or electric vehicle flywheel and sprocket coaxiality degree are poor, will lead to electric vehicle flywheel in use
Generating to be axially moved causes to circle round, and finally loosens, to influence electric vehicle service life, makes to the personal safety as well as the property safety of consumer
At harm.
Therefore, those skilled in the art is dedicated to developing a kind of novel electric vehicle motor flywheel anti-loosing device, really
Protect the safety and reliability of electric vehicle in use.
Utility model content
In view of the drawbacks described above of the prior art, technical problem to be solved in the utility model is electric vehicle flywheel and electricity
Machine flywheel end cap is fastenedly connected by helicitic texture, to ensure while being fastenedly connected flywheel will not because by external force or its
Its factor influences and generating to be axially moved causes convolution to loosen, to increase the stability of flywheel connection.
To achieve the above object, the utility model provides a kind of motor of electric motor car flywheel anti-loosing device, is set to
On the outside of electric motor end cap, which is characterized in that respectively include end cap step, screw thread from inside to outside along the electric motor end cap axial direction
Head, stop retaining ring, the thread head are equipped with toroidal cavity, and the toroidal cavity is located at the thread head far from the motor
End cover side top area, the toroidal cavity is for placing the stop retaining ring；The flywheel is set to the end cap step
Between the stop retaining ring, the step, thread head, flywheel, toroidal cavity, stop retaining ring are same with the electric motor end cap
Axis.
Further, the outer diameter of the step is greater than the outer diameter of the thread head.
Further, the toroidal cavity is located at thread head tip male thread face proximal end.
Further, the stop retaining ring is circular ring shape；
Further, the internal diameter of the stop retaining ring is slightly less than the outer diameter of the thread head；The outer diameter of the stop retaining ring
Less than the outer diameter of the flywheel.
Further, the stop retaining ring is C-shaped, i.e., the described stop retaining ring is not complete annulus, the stop retaining ring
It is provided with a notch.The aperture of the notch is slightly less than the diameter of the thread head.
Further, the aperture of the notch is slightly less than the diameter of the toroidal cavity slot bottom.
Further, lateral surface of the end cap step far from the electric motor end cap and the stop retaining ring are close to the electricity
The distance between medial surface of generator terminal lid is equal to or slightly greater than the thickness of the flywheel.
Further, the end cap step and the electric motor end cap are integrally casting formings.
Further, the thread head, end cap step and the electric motor end cap are integrally formed.
Further, the cross sectional shape of the toroidal cavity be round, oval, rectangular, triangle, it is trapezoidal in one
Kind.
Further, the depth of the toroidal cavity is 0.5~5mm, and toroidal cavity width is 0.5~5mm,
Further, the annular width of the stop retaining ring is 3~25mm, and the annular width of the stop retaining ring is stop
The outer radii of retaining ring and the difference of inner radii.
Further, the inner radii of the stop retaining ring is 24~29.5mm.
Further, the toroidal cavity is close to the face of electric motor end cap and the end cap step far from the electric motor end cap
The distance between lateral surface be 14~30mm.
The utility model additionally provides a kind of for installing the electric bicycle motor end cover of flywheel, which is characterized in that further includes
Motor of electric motor car flywheel anti-loosing device as described above.
Compared with the routinely electric motor end cap of installation flywheel, it is locking that the utility model provides a kind of motor of electric motor car flywheel
De- device, installs the thread head tip male thread face proximal end of the end cap of flywheel, is equipped with toroidal cavity, places in the groove
Stop retaining ring, the stop retaining ring are caught in the groove and form axial limit structure, and the flywheel is located at institute by screw threads for fastening
It states between stop retaining ring and the flywheel end cap step.It, can be effective under the premise of not changing electric vehicle motor overall structure
Prevention electric vehicle motor flywheel because of the axial movement that occurs under the influence of by factors such as external force, it is ensured that the safety and firmness of motor flywheels
Property, and then ensure the security and stability of electric vehicle entirety.
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the motor of electric motor car flywheel anti-loosing device assembling schematic diagram of the utility model；
Fig. 2 is the motor of electric motor car flywheel anti-loosing device decomposition diagram of the utility model；
Fig. 3 is the motor of electric motor car flywheel anti-loosing device stereoscopic schematic diagram of the utility model.
In figure, 1 is electric bicycle motor end cover, and 2 be flywheel, and 3 be stop retaining ring, and 1a is thread head, and 1b is end cap step, 1c
For toroidal cavity.
Specific embodiment
The preferred embodiment that the utility model is introduced below with reference to Figure of description, keeps its technology contents more clear and just
In understanding.The utility model can be emerged from by many various forms of embodiments, the protection scope of the utility model
It is not limited only to the embodiment mentioned in text.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and the utility model is not
Limit the size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
Specific embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 shows, the thread head 1a with installation flywheel 2 on electric vehicle motor flywheel end cap 1, flywheel 2
It is fixed on the thread head 1a of motor flywheels end cap 1, is attached by chain and sprocket wheel.In the prior art, electric vehicle
Flywheel 2 is directly fastenedly connected by the thread head 1a of helicitic texture and electric vehicle motor flywheel end cap 1, and flywheel is not prevented
The structure loosened.In flywheel installation process torque of wrenches is insufficient or it is artificial etc. it is other due to cause to install it is not in place,
Flywheel 2 cannot be preferably fastened on the thread head 1a of motor flywheels end cap.At this time if electric vehicle chain tension or electronic
Other external factor such as vehicle flywheel and sprocket coaxiality degree are poor, will lead to electric vehicle, flywheel generates axial movement in use
Cause to circle round, finally loosen, to influence electric vehicle service life, causes damages to the personal safety as well as the property safety of consumer.
The utility model proposes a kind of motor of electric motor car flywheel anti-loosing devices, in this implementation in, be installed on electricity
1 outside of motor-car electric motor end cap, has set gradually end cap step 1b, thread head 1a, stop retaining ring 3 along the axial direction of end cap,
It is provided with toroidal cavity 1c far from the side top area of electric motor end cap 1 in thread head 1a, is particularly located at the thread head 1a
Tip male thread face proximal end.Stop retaining ring 3 is placed in toroidal cavity 1c, stop retaining ring 3 is caught in toroidal cavity and forms axis
To position limiting structure.The internal diameter of stop retaining ring 3 is slightly less than the outer diameter of the thread head 1a；The outer diameter of stop retaining ring 3 is less than flywheel 2
Outer diameter.
End cap step 1b abuts the lateral surface of electric motor end cap 1, and the outer diameter of end cap step 1b is greater than the outer diameter of thread head 1a.Fly
Wheel 2 is mounted on the region thread head 1a against the side of end cap step 1b, and after installing flywheel 2, stop retaining ring 3 is placed in
In toroidal cavity 1c, it is preferable that stop retaining ring 3 is circular ring shape；Stop retaining ring 3 is caught in toroidal cavity 1c and forms axial limiting
Structure.Flywheel 2 is threadedly secured between end cap step 1b and stop retaining ring 3.Avoid flywheel 2 in use because
The reasons such as convolution and cause to loosen, ensure that the firm operation that effectively works of flywheel 2.
To ensure the firm of flywheel 2, the distance between the side of end cap step 1b and stop retaining ring 3 are equal to or slightly greater than
The thickness of flywheel 2.Preferably, toroidal cavity 1c is close to the face of electric motor end cap 1 and the distance between the side of end cap step 1b
For 14~30mm.
In the preferred embodiment, end cap step 1b and electric motor end cap 1 are integrally casting formings, it is preferable that thread head 1a,
End cap step 1b and electric motor end cap 1 are integrally formed.
The cross sectional shape of toroidal cavity 1c can be one of round, oval, rectangular, triangle, trapezoidal.Annulus
The depth and width of connected in star 1c and the size of stop retaining ring 3 match, it is preferable that and the depth 0.5 of toroidal cavity 1c~
5mm, toroidal cavity 1c width are 0.5~5mm.
Preferably, the annular width of stop retaining ring 3 is 3~25mm, and the annular width of stop retaining ring 3 is stop retaining ring 3
The difference of outer radii and inner radii.The inner radii of stop retaining ring 3 is 24~29.5mm.
Specific embodiment 2:
Other content is same as Example 1.In the present embodiment, stop retaining ring 3 is C-shaped, i.e. stop retaining ring 3 is not complete
Annulus, stop retaining ring 3 is provided with a notch, and the aperture of notch is slightly less than the diameter of the thread head 1a, it is preferable that notch
Aperture be slightly less than the diameter of toroidal cavity 1c slot bottom.Using the notch, it can be convenient the installation and removal of stop retaining ring 3.
During the installation process, by the position of the notch alignment toroidal cavity 1c of stop retaining ring 3, the axial direction of normal thread head 1a,
Toroidal cavity 1c can be caught in for stop retaining ring 3 by slightly applying external force.It is when disassembly, then just opposite.In use, only
The when axial power of flywheel 2 that dynamic retaining ring 3 is subject to, not will receive radial power and causes to loosen.The notch of stop retaining ring 3 designs energy
Enough under the premise of ensuring the effect of stop, it is easily installed and dismantles, and part raw material can be saved.
Specific embodiment 3:
As shown in Figure 1-Figure 3, a kind of electric bicycle motor end cover, including motor of electric motor car flywheel described in embodiment 1 are anti-
Release.
Several preferred embodiments of the utility model are described in detail above, in wider application, each correlation
Component can have a different alternative solutions, or carry out improvement further pair.It should be appreciated that the ordinary skill of this field is not necessarily to
Creative work, which according to the present utility model can be conceived, makes many modifications and variations.Therefore, all skills in the art
Art personnel pass through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology can be with
Obtained technical solution, all should be within the scope of protection determined by the claims.
Although electric bicycle motor end cover 1, flywheel 2, stop retaining ring 3, thread head 1a, end cap step is used more herein
The terms such as 1b, toroidal cavity 1c, but it does not exclude the possibility of using other terms.The use of these items is only for more
Easily describe and explain the essence of the utility model；It is practical new with this for being construed as any additional limitation all
Type spirit is disagreed.
Claims (14)
1. a kind of motor of electric motor car flywheel anti-loosing device is set on the outside of electric motor end cap, which is characterized in that along the electricity
Generator terminal lid axial direction respectively includes end cap step, thread head, stop retaining ring from inside to outside, and it is recessed that the thread head is equipped with circular ring shape
Slot, the toroidal cavity are located at the thread head far from electric motor end cap lateral roof region, and the toroidal cavity is used for
Place the stop retaining ring；The flywheel is set between the end cap step and the stop retaining ring, the end cap step, spiral shell
Line head, flywheel, toroidal cavity, stop retaining ring are coaxial with the electric motor end cap.
2. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that outside the end cap step
Diameter is greater than the outer diameter of the thread head.
3. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the toroidal cavity position
In thread head tip male thread face proximal end.
4. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the stop retaining ring is circle
Annular；The internal diameter of the stop retaining ring is slightly less than the outer diameter of the thread head；The outer diameter of the stop retaining ring is less than the flywheel
Outer diameter.
5. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the end cap step is separate
The lateral surface of the electric motor end cap and the stop retaining ring be equal to close to the distance between the medial surface of the electric motor end cap or
Slightly larger than the thickness of the flywheel.
6. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the end cap step and institute
Stating electric motor end cap is integrally casting forming.
7. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the thread head, end cap
Step and the electric motor end cap are integrally formed.
8. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the toroidal cavity
Cross sectional shape is one of round, oval, rectangular, triangle, trapezoidal.
9. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the toroidal cavity
Depth is 0.5~5mm, and toroidal cavity width is 0.5~5mm.
10. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the stop retaining ring
Annular width is 3~25mm, and the annular width of the stop retaining ring is the outer radii of stop retaining ring and the difference of inner radii.
11. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the toroidal cavity
It is 14~30mm close to the distance between the face of electric motor end cap and lateral surface of the end cap step far from the electric motor end cap.
12. motor of electric motor car flywheel anti-loosing device as described in claim 1, which is characterized in that the stop retaining ring is C
Shape, i.e., the described stop retaining ring is not complete annulus, and the stop retaining ring is provided with a notch；The aperture of the notch is smaller
In the diameter of the thread head.
13. motor of electric motor car flywheel anti-loosing device as claimed in claim 12, which is characterized in that the aperture of the notch
It is slightly less than the diameter of the toroidal cavity slot bottom.
14. a kind of for installing the electric bicycle motor end cover of flywheel, which is characterized in that including any one of such as claim 1-13 institute
The motor of electric motor car flywheel anti-loosing device stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803323.8U CN208479331U (en) | 2018-05-28 | 2018-05-28 | A kind of motor of electric motor car flywheel anti-loosing device and electric bicycle motor end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803323.8U CN208479331U (en) | 2018-05-28 | 2018-05-28 | A kind of motor of electric motor car flywheel anti-loosing device and electric bicycle motor end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208479331U true CN208479331U (en) | 2019-02-05 |
Family
ID=65219105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820803323.8U Active CN208479331U (en) | 2018-05-28 | 2018-05-28 | A kind of motor of electric motor car flywheel anti-loosing device and electric bicycle motor end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208479331U (en) |
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2018
- 2018-05-28 CN CN201820803323.8U patent/CN208479331U/en active Active
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