CN211167268U - Profile-connected electric bicycle flywheel - Google Patents
Profile-connected electric bicycle flywheel Download PDFInfo
- Publication number
- CN211167268U CN211167268U CN201922128284.3U CN201922128284U CN211167268U CN 211167268 U CN211167268 U CN 211167268U CN 201922128284 U CN201922128284 U CN 201922128284U CN 211167268 U CN211167268 U CN 211167268U
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- flywheel
- profile
- connecting seat
- end cover
- electric bicycle
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Abstract
The utility model discloses an electric bicycle flywheel of profile connection, including motor end cover, flywheel, still include spacing portion, be equipped with the connecting seat on the motor end cover, the flywheel inner circle is equipped with connecting portion, connecting portion with the connecting seat cooperatees, connecting portion with the connecting seat is connected for the profile, spacing portion is connected on the connecting seat and with one side that the motor end cover was kept away from to the flywheel is inconsistent. Set up connecting seat and connecting portion, connecting portion are connected with the connecting seat profile, and the effectual easy not hard up defect of traditional threaded connection structure of having solved adopts spacing portion and flywheel conflict simultaneously, and the restriction flywheel breaks away from, has solved the problem that the flywheel breaks away from other parts of damage better, has promoted the stability that flywheel and motor end cover are connected.
Description
Technical Field
The utility model relates to an electric bicycle flywheel especially relates to an electric bicycle flywheel that section bar is connected.
Background
After the new national standard is implemented, the electric bicycle has a pedal riding function and becomes a necessary index which the electric bicycle needs to reach. In order to realize that the electric bicycle can be ridden by foot, a bicycle chain wheel, a chain and a flywheel structure are required to be adopted. In the existing market, the electric bicycles capable of realizing the pedal riding condition all adopt a threaded connection mode to connect the flywheel on the motor end cover in a threaded manner. The structure fastens the threaded connection between the flywheel and the motor end cover in a mode that a user treads pedals of the electric bicycle. Because the pedal of the electric bicycle is not high in use frequency, and the threaded connection is easy to loosen in the rotation process of the motor of the electric bicycle, the electric bicycle adopting the threaded connection structure can cause the flywheel to fall off due to the fact that the flywheel is not fastened in place, other parts are damaged, and use is affected.
Disclosure of Invention
The utility model discloses to the easy not hard up defect of threaded connection between the flywheel that exists among the prior art and the motor end cover, provide a new electric bicycle flywheel of profile connection.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides an electric bicycle flywheel of profile connection, includes motor end cover, flywheel, still includes spacing portion, be equipped with the connecting seat on the motor end cover, the flywheel inner circle is equipped with connecting portion, connecting portion with the connecting seat cooperatees, connecting portion with the connecting seat is the profile connection, spacing portion is connected on the connecting seat and with one side inconsistent that the motor end cover was kept away from to the flywheel.
Set up connecting seat and connecting portion, connecting portion are connected with the connecting seat profile, and the effectual easy not hard up defect of traditional threaded connection structure of having solved adopts spacing portion and flywheel conflict simultaneously, and the restriction flywheel breaks away from, has solved the problem that the flywheel breaks away from other parts of damage better, has promoted the stability that flywheel and motor end cover are connected.
Preferably, the electric bicycle flywheel is connected to the profile, the connecting seat is provided with a first profile, the connecting part is provided with a second profile, and the first profile is matched with the second profile.
The first molded surface and the second molded surface are matched to limit relative rotation between the flywheel and the motor end cover, and the defect that a traditional threaded connection structure is easy to loosen is better overcome.
Preferably, the number of the first and second profiles is at least 1.
The first profile is matched with the second profile, and the relative rotation between the flywheel and the motor end cover is limited with the increase of the number.
Preferably, the above-mentioned electric bicycle flywheel of a profile connection, spacing portion is the jump ring, be equipped with the draw-in groove on the connecting seat, the jump ring joint is in the draw-in groove and with one side inconsistent that the motor end cover was kept away from to the flywheel.
The form that adopts jump ring and draw-in groove cooperation can restrict the relative position of flywheel and motor end cover and keep unchangeable, and jump ring itself has the installation and changes simple advantage, can reduction in production cost again simultaneously.
Preferably, the surface-connected electric bicycle flywheel further comprises a first gasket, the first gasket is located between the clamp spring and the flywheel, and the first gasket is a wave-shaped elastic sheet or a flat pad.
The first gasket can better strengthen the connection between the flywheel and the motor end cover, and effectively reduces the abrasion between the clamp spring and the flywheel due to mutual extrusion.
Preferably, the above profile-connected electric bicycle flywheel has the structure that the limiting portion is a nut, the connecting seat is provided with threads, the nut is connected to the connecting seat through the threads, and the nut is abutted to one side, away from the motor end cover, of the flywheel.
The nut and the thread are matched, so that the relative position of the flywheel and the motor end cover can be limited to be kept unchanged, the nut has the advantages of simplicity in installation and replacement, and meanwhile, the production cost can be reduced.
Preferably, the profile-connected electric bicycle flywheel further comprises a second gasket, the second gasket is located between the nut and the flywheel, and the second gasket is a wave-shaped elastic sheet or a flat pad.
The second gasket can better strengthen the connection between the flywheel and the motor end cover, and effectively reduce the abrasion between the nut and the flywheel caused by mutual extrusion.
Preferably, in the above one-sided-connection electric bicycle flywheel, the thread is a left-hand thread.
The left-handed threads can enable the connection between the nut and the threads to be more tight when the motor rotates, and the flywheel can be better fixed on the motor end cover.
Drawings
FIG. 1 is an exploded view of the present invention with the position-limiting part being a clamp spring;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic structural view of the present invention when the position-limiting portion is a clamp spring;
fig. 4 is an exploded view of the present invention in which the position-limiting portion is a nut;
FIG. 5 is a partial enlarged view of portion B of FIG. 4;
fig. 6 is a schematic structural view of the present invention when the limiting portion is a nut;
fig. 7 is a schematic structural diagram of the flywheel of the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings 1-7 and the detailed description, which are not intended to limit the invention:
example 1
As shown in fig. 1-7, a profile-connected electric bicycle flywheel includes a motor end cover 1, a flywheel 3, and a limiting portion 5, wherein the motor end cover 1 is provided with a connecting seat 2, an inner ring of the flywheel 3 is provided with a connecting portion 32, the connecting portion 32 is matched with the connecting seat 2, the connecting portion 32 is profile-connected with the connecting seat 2, and the limiting portion 5 is connected to the connecting seat 2 and is abutted to one side of the flywheel 3 away from the motor end cover 1.
During the equipment, adjust connecting portion 32 on the flywheel 3 to suitable angle and be connected with connecting seat 2, make the profile that sets up on the two mutually support, after connecting portion 32 is connected with connecting seat 2 completion profile, be connected to on connecting seat 2 spacing portion 5, compress tightly flywheel 3 simultaneously, make flywheel 3 and motor end cover 1 in close contact with, promote the stability that flywheel 3 and motor end cover 1 are connected, prevent that flywheel 3 from breaking away from motor end cover 1.
Preferably, the connecting seat 2 is provided with a first molded surface 21, the connecting portion 32 is provided with a second molded surface 31, and the first molded surface 21 is matched with the second molded surface 31.
Preferably, the number of the first and second profiles 21, 31 is at least 1.
Preferably, the limiting portion 5 is a clamp spring, a clamping groove 22 is formed in the connecting seat 2, and the clamp spring is clamped in the clamping groove 22 and is abutted to one side, away from the motor end cover 1, of the flywheel 3.
Preferably, the flywheel further comprises a first gasket 4, the first gasket 4 is located between the clamp spring and the flywheel 3, and the first gasket 4 is a wave-shaped elastic sheet or a flat gasket.
Preferably, the limiting part 5 is a nut, a thread 23 is arranged on the connecting seat 2, the nut is connected to the connecting seat 2 through the thread 23, and the nut is abutted to one side, away from the motor end cover 1, of the flywheel 3.
Preferably, the flywheel further comprises a second gasket 6, the second gasket 6 is located between the nut and the flywheel 3, and the second gasket 6 is a wave-shaped elastic sheet or a flat cushion.
Preferably, the thread 23 is a left-hand thread.
When the equipment adopts the jump ring as spacing portion 5's structure, adjust connecting portion 32 on the flywheel 3 to suitable angle and be connected with connecting seat 2, make the profile that sets up on the two mutually support, after connecting portion 32 is connected with connecting seat 2 completion profile, connect first gasket 4 in one side that motor end cover 1 was kept away from to flywheel 3, open the jump ring simultaneously and block with draw-in groove 22, compress tightly flywheel 3, prevent that flywheel 3 from breaking away from motor end cover 1.
When the structure that adopts the nut as spacing portion 5 in the equipment, adjust connecting portion 32 on the flywheel 3 to suitable angle and be connected with connecting seat 2, make the profile that sets up on the two mutually support, after connecting portion 32 is connected with connecting seat 2 completion profile, connect second gasket 6 in one side that motor end cover 1 was kept away from to flywheel 3, rotate the nut simultaneously and make nut and screw 23 interlock, compress tightly flywheel 3, prevent that flywheel 3 from breaking away from motor end cover 1.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.
Claims (8)
1. The utility model provides an electric bicycle flywheel of profile connection, includes motor end cover (1), flywheel (3), its characterized in that: still include spacing portion (5), be equipped with connecting seat (2) on motor end cover (1), flywheel (3) inner circle is equipped with connecting portion (32), connecting portion (32) with connecting seat (2) cooperate, connecting portion (32) with connecting seat (2) are the profile and connect, spacing portion (5) are connected on connecting seat (2) and with one side inconsistent that motor end cover (1) was kept away from in flywheel (3).
2. The profile-linked electric bicycle flywheel of claim 1, wherein: be equipped with first profile (21) on connecting seat (2), be equipped with second profile (31) on connecting portion (32), first profile (21) with second profile (31) cooperate.
3. The profile-linked flywheel for electric bicycle according to claim 2, wherein: the number of the first and second profiles (21, 31) is at least 1.
4. The profile-linked electric bicycle flywheel of claim 1, wherein: spacing portion (5) are the jump ring, be equipped with draw-in groove (22) on connecting seat (2), the jump ring joint is in draw-in groove (22) and with flywheel (3) keep away from one side inconsistent of motor end cover (1).
5. The profile-linked electric bicycle flywheel of claim 4, wherein: the flywheel further comprises a first gasket (4), the first gasket (4) is located between the clamp spring and the flywheel (3), and the first gasket (4) is a wave-shaped elastic sheet or a flat gasket.
6. The profile-linked electric bicycle flywheel of claim 1, wherein: the limiting portion (5) is a nut, threads (23) are arranged on the connecting seat (2), the nut is connected to the connecting seat (2) through the threads (23), and the nut is abutted to one side, away from the motor end cover (1), of the flywheel (3).
7. The profile-linked flywheel for an electric bicycle of claim 6, wherein: the flywheel structure is characterized by further comprising a second gasket (6), wherein the second gasket (6) is located between the nut and the flywheel (3), and the second gasket (6) is a wave-shaped elastic sheet or a flat gasket.
8. The profile-linked flywheel for an electric bicycle of claim 6, wherein: the thread (23) is a left-hand thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922128284.3U CN211167268U (en) | 2019-12-03 | 2019-12-03 | Profile-connected electric bicycle flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922128284.3U CN211167268U (en) | 2019-12-03 | 2019-12-03 | Profile-connected electric bicycle flywheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211167268U true CN211167268U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922128284.3U Active CN211167268U (en) | 2019-12-03 | 2019-12-03 | Profile-connected electric bicycle flywheel |
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| Country | Link |
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| CN (1) | CN211167268U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644627A (en) * | 2020-12-31 | 2021-04-13 | 盐城市大丰永和车业有限公司 | Electric motor car flywheel mounting structure |
| CN112918612A (en) * | 2020-11-10 | 2021-06-08 | 天津爱玛车业科技有限公司 | Electric bicycle transmission device and electric bicycle |
| CN113217580A (en) * | 2021-05-29 | 2021-08-06 | 江苏新伟动力科技有限公司 | Retaining gasket capable of preventing motor flywheel of electric bicycle from falling off |
-
2019
- 2019-12-03 CN CN201922128284.3U patent/CN211167268U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918612A (en) * | 2020-11-10 | 2021-06-08 | 天津爱玛车业科技有限公司 | Electric bicycle transmission device and electric bicycle |
| CN112644627A (en) * | 2020-12-31 | 2021-04-13 | 盐城市大丰永和车业有限公司 | Electric motor car flywheel mounting structure |
| CN113217580A (en) * | 2021-05-29 | 2021-08-06 | 江苏新伟动力科技有限公司 | Retaining gasket capable of preventing motor flywheel of electric bicycle from falling off |
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