CN208392986U - Flower-drum and bicycle drive - Google Patents
Flower-drum and bicycle drive Download PDFInfo
- Publication number
- CN208392986U CN208392986U CN201820427802.4U CN201820427802U CN208392986U CN 208392986 U CN208392986 U CN 208392986U CN 201820427802 U CN201820427802 U CN 201820427802U CN 208392986 U CN208392986 U CN 208392986U
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- CN
- China
- Prior art keywords
- transmission body
- mandrel
- bicycle
- drum
- flower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of flower-drum and bicycle drive include mandrel, transmission body, wheel hub and unilateral bearing, and central shaft is set on bicycle, and transmission body is then sheathed in mandrel.Transmission body can connect the flywheel of bicycle, and by the driving of flywheel in rotating in mandrel, in addition, forming a space between transmission body and mandrel.Wheel hub can be sheathed in mandrel and transmission body, and unilateral bearing is then set between wheel hub and transmission body.By unilateral bearing, wheel hub can uni-directionally be transmitted body and drive and rotate, and then drive the vehicle wheel rotation of bicycle.Space is formed by between transmission body and mandrel can reduce the weight of flower-drum, to reach the light-weighted effect of bicycle.
Description
Technical field
The utility model is related with flower-drum and bicycle drive；Particularly relate to light-weighted flower-drum and voluntarily
Vehicle transmission device.
Background technique
The transmission of bicycle is carried out with fluted disc and chain transmission system, and foot pedals are big to drive when rider rides
Fluted disc rotation, then rotates by chain drive flywheel, and flywheel will drive the rear-wheel of bicycle and rotate together, thus drive oneself
Driving is advanced.Flower-drum is equipped at the rear axis of bicycle, flywheel connectable simultaneously can connect wheel rim, the function of flower-drum by spoke
It is that the rotational force of flywheel is reached to outer rim causes entire rear-wheel to rotate, and then entire bicycle is driven to advance.Therefore, flower
Drum is also an important component indispensable in bicycle drive.
Fig. 1 is please referred to, Fig. 1 is the diagrammatic cross-section of the flower-drum 1 of the prior art.As shown in Figure 1, flower-drum 1 include mandrel 10,
Transmission body 12, wheel hub 14 and unilateral bearing 16, wherein transmission body 12 and wheel hub 14 are all sheathed in mandrel 10, and transmission body
12 can be driven by flywheel and be rotated in mandrel 10, and selectively band runner hub 14 rotates together by unilateral bearing 16.
Wheel hub 14 is used to connect the spoke of bicycle rear, therefore when the rotation of wheel hub 14, bicycle rear can also rotate together.However, by
Fig. 1 can be seen that the flower-drum 1 of the prior art, since transmission body 12 is adjacent to mandrel 10, is likely to result in transmission body 12 when operating
It rubs with mandrel 10 and increases resistance.Other than increasing car resistance, the heat for the generation that rubs may cause adverse effect to flower-drum,
For example, expanding with heat and contract with cold squeezes the component in flower-drum mutually；Furthermore friction can also accelerate the loss rate of flower-drum, shorten flower-drum
Service life.
On the other hand, bicycle is other than serving as the vehicles of common people's daily life, due to that must depend on people when riding
Power is trampled, and the one of the tool of movement or contest is also regarded as.The bicycle of movement or contest is according to the place or contest used
Project it is different and may have different kenels, and no matter lighter bicycle rides in speed or can greatly improve apart from aspect
The performance and achievement for the person of multiplying.Therefore, modern bicycle is more than the improvement of structure and firmness degree, lightweight for movement or
It is also the emphasis of development for racing bicycles.And realize the light-weighted means of bicycle, in addition to research and development have it is same or compared with
High-intensitive but lighter in weight vehicle frame conduct is instead outer, can also mitigate other parts under the situation for not influencing structural strength
Weight.Flower-drum also needs further to reduce weight, to meet the light-weighted demand of bicycle.
Therefore, it is necessary to research and develop a kind of new-type flower-drum, to solve the above problems, and it may achieve light-weighted purpose.
Utility model content
In view of this, the prior art can be solved the purpose of this utility model is to provide a kind of flower-drum for bicycle
The problem of, and reach light-weighted effect.
For edge to reach above-mentioned purpose, flower-drum provided by the utility model has mandrel, transmission body, wheel hub and one-way shaft
It holds, wherein transmission body and wheel hub are sheathed in mandrel and wheel hub is sheathed in transmission body.Transmission body can be by the flywheel of bicycle
Driving and in being rotated in mandrel.Unilateral bearing is equipped between wheel hub and transmission body, by unilateral bearing, wheel hub can uni-directionally with
Transmission body rotation.There is a space between transmission body and mandrel, up to lightweight and reduce the function of rubbing.
Wherein, flower-drum further includes a bearing, is set between mandrel and transmission body.
Wherein, flower-drum further includes a bearing, is set between transmission body and wheel hub.
Wherein, flower-drum further includes a bearing, is set between mandrel and wheel hub.
Wherein, above-mentioned bearing is ball bearing.
The another object of the utility model is to provide one kind for bicycle drive, can solve asking for the prior art
Topic, and reach light-weighted effect.
To reach above-mentioned purpose, bicycle drive provided by the utility model has flywheel and connects the flower of flywheel edge
Drum.Flower-drum has mandrel, transmission body, wheel hub and unilateral bearing, and wherein transmission body and wheel hub are sheathed in mandrel and take turns hub sleeve
In transmission body.Transmission body flywheel connectable, and by the driving of flywheel and can be in being rotated in mandrel.Between wheel hub and transmission body
Equipped with unilateral bearing, by unilateral bearing, wheel hub can uni-directionally be rotated with transmission body.Have between transmission body and mandrel
Between, up to lightweight and reduce the function of rubbing.
Wherein, bicycle drive further includes a bearing, is set between mandrel and transmission body.
Wherein, bicycle drive further includes a bearing, is set between transmission body and wheel hub.
Wherein, bicycle drive further includes a bearing, is set between mandrel and wheel hub.
Wherein, above-mentioned bearing is ball bearing.
The flower-drum of the utility model and bicycle drive can reach lightweight while reducing flower-drum loss as a result,
Effect.
Detailed description of the invention
For that can be illustrated more clearly that the utility model, in conjunction with the preferred embodiment and cooperates attached drawing detailed description is as follows,
Wherein:
Fig. 1 is the diagrammatic cross-section of the flower-drum of the prior art.
Fig. 2 is the schematic diagram of the flower-drum of a specific embodiment of the utility model.
Fig. 3 is the exploded view of the flower-drum of Fig. 2.
Fig. 4 is the diagrammatic cross-section of the flower-drum of Fig. 2.
Specific embodiment
Referring to figure 2., Fig. 2 is the schematic diagram of the flower-drum 2 of a specific embodiment of the utility model, wherein flower-drum 2 can be used
At the axis wheel of a bicycle and connect the flywheel F of bicycle.In practice, flywheel F and flower-drum 2 can pass for bicycle
A part of dynamic device, rider can pushes pedals to drive the chain drum of bicycle to rotate, chain drum then passes through chain-driving flywheel F
It rotates together.Flywheel F optionally drives flower-drum 2 to rotate together when rotating, and in detail, when rider tramples forward, flies
Wheel F can drive flower-drum 2 to rotate together, and when rider tramples or do not tread on backward, flywheel F is not interlocked with flower-drum 2 then, flower
Drum 2 will maintain previous motion state.Flower-drum 2, which can connect wheel rim and the tire on wheel rim by spoke, makes itself and flower-drum
2 rotate together, and bicycle drive can drive bicycle to advance as a result,.
It is the exploded view of the flower-drum 2 of Fig. 2 please with reference to Fig. 3 and Fig. 4, Fig. 3, Fig. 4 is the section signal of the flower-drum 2 of Fig. 2
Figure.As shown in Figures 3 and 4, flower-drum 2 includes mandrel 20, transmission body 22, wheel hub 24 and unilateral bearing 26.Mandrel 20 is settable
In on bicycle, in detail, mandrel 20 can be used as the axle center of wheel, and is arranged in and is used to connect wheel in bicycle body
Part.It note that mandrel 20 can be arranged mutually by axle center 200, axle center 202, axle center sleeve 204 and axle center sleeve 206.
Transmission body 22 can be sheathed in mandrel 20, and its outside can connect the flywheel F of bicycle, make transmission body 22 can be by flywheel F's
It drives and is rotated in mandrel 20.Wheel hub 24 can equally be sheathed on mandrel 20, and part is sheathed in transmission body 22.In practice
In, wheel hub 24 can be directly connected to one end of multiple spokes, and further connect wheel rim and the wheel on wheel rim by spoke
Tire, in other words, the rotation of wheel hub 24 will directly be rotated with motor car wheel, and further bicycle be pushed to advance.
Settable unilateral bearing 26 between wheel hub 24 and transmission body 22, unilateral bearing 26 can make wheel hub 24 uni-directionally by
Transmission body 22 drives and rotates.For example, when transmission body 22 rotates forward, unilateral bearing 26 makes wheel hub 24 and transmission body 22
Interlock and together along equidirectional rotation, on the contrary, unilateral bearing 26 then makes wheel hub when 22 back rotation of transmission body or when not rotating
24 can independently move with transmission body 22, therefore wheel hub 24 is not rotated with transmission body 22.Pass through unilateral bearing 26, rider
Bicycle can be pushed to advance when pushes pedals forward, and rider's pushes pedals or when not treading on backward, cycle wheel will
The preceding motion state that can be maintained.
In this specific embodiment, transmission body 22 makes transmission body 22 in this sky in forming a space 220 close at mandrel 20
Between do not contact mandrel 20 at 220, and then its contact area between mandrel 20 can be reduced, therefore, when rider rides bicycle
When pushes pedals, transmission body 22 can lower the probability to rub with mandrel 20 when being driven and rotating, therefore can avoid generating
Additional resistance tramples efficiency to improve, and reduces loss caused by the heat and friction that flower-drum 2 generates.Simultaneously as
Space 220 is formd in transmission body 22, relatively reduces the volume and weight of transmission body 22 and wheel hub 24, therefore can reach
The light-weighted effect of entire flower-drum 2.
Referring again to Fig. 4, as shown in figure 4, flower-drum 2 further includes first bearing 280, second in this specific embodiment
Bearing 282 and 3rd bearing 284.First bearing 280 may be disposed between transmission body 22 and mandrel 20, so that transmission body 22 can
It is rotated relative to mandrel 20.Second bearing 282 may be disposed between transmission body 22 and wheel hub 24, make wheel hub 24 can be relative to
Transmission body 22 is rotated.3rd bearing 284 may be disposed between wheel hub 24 and mandrel 20, make wheel hub 24 can be relative to mandrel
20 are rotated.In this specific embodiment, the quantity of first bearing 280 and 3rd bearing 284 is 1, and second bearing 282
Quantity be 2, however, not limiting the quantity of three in practice, user or designer are contemplated that its demand and voluntarily set
Set the first bearing 280, second bearing 282 and 3rd bearing 284 of different number.In addition, first bearing 280, second bearing 282
And 3rd bearing 284 is ball bearing in this specific embodiment, and mandrel 20, transmission body 22 are reduced using roll structure
And frictional force when being rotated between wheel hub 24, but be not limited in practice with ball bearing, any friction that can reduce rotation
The first bearing 280, second bearing 282 and 3rd bearing 284 as this specific embodiment can be used in the bearing of power.
In conclusion the bicycle drive of this flower-drum of the flower-drum and application of the utility model, by being arranged
Between between transmission body and mandrel, can reduce flower-drum rotation when friction with reduce car resistance, friction generate thermal energy and damage
Consumption is beneficial to the lightweight of bicycle in addition, also reducing the overall weight of flower-drum simultaneously.
The foregoing is merely the preferable possible embodiments of the utility model, all application the utility model specifications and Shen
Please equivalence changes carried out by the scope of the patents, ought to be included in the scope of the claims of the utility model.
Claims (10)
1. a kind of flower-drum is used for a bicycle, which is characterized in that the flower-drum includes:
One mandrel, to be set on the bicycle；
One transmission body is sheathed on the mandrel and connects a flywheel of the bicycle, includes a space between the transmission body and the mandrel,
And the transmission physical efficiency by the flywheel driving and rotated in the mandrel；And
One wheel hub is sheathed in the mandrel and the transmission body, to connect a wheel of the bicycle；And
One unilateral bearing is set between the transmission body and the wheel hub, uni-directionally to drive the wheel hub with the transmission body
Rotation.
2. flower-drum as described in claim 1, which is characterized in that further include a bearing, be set to the mandrel and the biography
Between kinetoplast.
3. flower-drum as described in claim 1, which is characterized in that further include a bearing, be set to the transmission body and wheel hub
Between.
4. flower-drum as described in claim 1, which is characterized in that further include a bearing, be set to the mandrel and the wheel
Between hub.
5. such as the described in any item flower-drum of claim 2-4, which is characterized in that wherein the bearing is ball bearing.
6. a kind of bicycle drive is used for a bicycle, which is characterized in that the bicycle drive includes:
One flywheel；And
One flower-drum connects the flywheel, which includes:
One mandrel, to be set on the bicycle；
One transmission body is sheathed on the mandrel and connects the flywheel, includes a space, and the transmission body between the transmission body and the mandrel
Can by the flywheel driving and rotated in the mandrel；And
One wheel hub is sheathed in the mandrel and the transmission body, to connect a wheel of the bicycle；And
One unilateral bearing is set between the transmission body and the wheel hub, uni-directionally to drive the wheel hub with the transmission body
Rotation.
7. bicycle drive as claimed in claim 6, which is characterized in that further include a bearing, be set to the heart
Between axis and the transmission body.
8. bicycle drive as claimed in claim 6, which is characterized in that further include a bearing, be set to the biography
Between kinetoplast and wheel hub.
9. bicycle drive as claimed in claim 6, which is characterized in that further include a bearing, be set to the heart
Between axis and the wheel hub.
10. such as the described in any item bicycle drives of claim 7-9, which is characterized in that wherein the bearing is ball axis
It holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427802.4U CN208392986U (en) | 2018-03-28 | 2018-03-28 | Flower-drum and bicycle drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427802.4U CN208392986U (en) | 2018-03-28 | 2018-03-28 | Flower-drum and bicycle drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208392986U true CN208392986U (en) | 2019-01-18 |
Family
ID=65064455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820427802.4U Expired - Fee Related CN208392986U (en) | 2018-03-28 | 2018-03-28 | Flower-drum and bicycle drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208392986U (en) |
-
2018
- 2018-03-28 CN CN201820427802.4U patent/CN208392986U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |