CN206231544U - The axle assembly of two wheeler, tricycle and its wheel - Google Patents
The axle assembly of two wheeler, tricycle and its wheel Download PDFInfo
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- CN206231544U CN206231544U CN201621085719.0U CN201621085719U CN206231544U CN 206231544 U CN206231544 U CN 206231544U CN 201621085719 U CN201621085719 U CN 201621085719U CN 206231544 U CN206231544 U CN 206231544U
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- wheel
- bearing
- axle assembly
- fork
- wheel shaft
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Abstract
The utility model provides a kind of axle assembly of wheel, including：One end when in use fixing assembling in the wheel shaft of wheel fork；It is sleeved on clutch shaft bearing, bushing, second bearing on the wheel shaft successively from the other end of wheel shaft；And it is erected at the flower-drum on the outer ring of clutch shaft bearing and second bearing.Bushing is used to make clutch shaft bearing and second bearing separate predetermined distance in the axial direction.Flower-drum is sleeve-shaped, its one end enlarged outside diameter for being set up in clutch shaft bearing and be formed as flange portion, for fixedly mounting wheel.
Description
Technical field
The utility model is related to two wheeler, tricycle and its vehicle wheel component, more particularly to the single-wheel of two wheeler, tricycle to pitch
The axle assembly of wheel.
Background technology
China is bicycle production and the big country for using.For a long time, bicycle is all short in same city as people always
The main walking-replacing tool of distance trip.For example it is new in the practicality to Patent Office of the People's Republic of China's submission on the 29th of September in 2015 in the applicant
(Application No. 201510634705.3 calls the back of the body in the following text for the application for a patent for invention of type entitled " chain-less bicycle and its wheel fork, vehicle frame "
Scape technology) in, it is proposed that a kind of bicycle with single-wheel fork construction, its moulding unique and beautiful, rugged construction is compact.
Utility model content
In the utility model, applicant pitches wheel fork, the axle set of bicycle to the single-wheel mentioned in above-mentioned background technology
The aspect such as part construction and assembling has carried out new design, good to provide a kind of simple structure, easy processing, easily assembling, durability
Wheel fork, the construction of wheel group component.Herein it should be noted that above advantage is directed to preferred forms of the present utility model
For, do not require that the feature that the utility model claim is limited can be while realize all advantages.
A scheme of the present utility model is a kind of axle assembly of wheel, it is characterised in that including：One end is using
When fixing assembling in the wheel shaft of wheel fork；It is sleeved on clutch shaft bearing, bushing, second on the wheel shaft successively from the other end of wheel shaft
Bearing；And it is erected at the flower-drum on the outer ring of clutch shaft bearing and second bearing.Bushing is used to make clutch shaft bearing and second bearing
Predetermined distance is separated in the axial direction.Flower-drum is sleeve-shaped, its one end enlarged outside diameter for being set up in clutch shaft bearing and be formed as
Flange portion, for fixedly mounting wheel.
By such scheme, the number of components of axle assembly can be more simplified, assembly technology is become simple, and wheel can be made
Axle more stress equalization.
Another scheme of the present utility model is a kind of two wheeler or tricycle, and it is equipped with axle assembly as described above.
Additionally, any combination of above inscape, the form of expression of the present utility model are needed according to reality processing
The implementation method after suitably change is carried out, is also effective as scheme of the present utility model.
Brief description of the drawings
In order to more fully understand the purpose of this utility model, feature, advantage and function, may be referred to excellent shown in accompanying drawing
Select embodiment.Identical reference refers to identical part in accompanying drawing.It should be appreciated by those skilled in the art that accompanying drawing is intended to show
Each embodiment of the present utility model is illustrated to meaning property, all parts are not necessarily drawn to scale in figure.
Fig. 1 is the figure of the unitary construction of the bicycle for schematically showing the utility model implementation method.
Fig. 2 is the schematic diagram for illustrating the construction of the wheel fork of background technology, and (A) of wherein Fig. 2 is the front view of wheel fork,
(B) of Fig. 2 is the left view of wheel fork, and (C) of Fig. 2 is the stereogram of wheel fork.
Fig. 3 is the sectional view of the axle assembly of background technology.
(A) and (B) of Fig. 4 is the schematic diagram for illustrating the construction of the wheel fork of the utility model implementation method.
(A) and (B) of Fig. 5 is assembly relation of the wheel fork with wheel shaft for schematically showing the utility model implementation method
Figure.
Fig. 6 is the sectional view for illustrating the axle assembly of the non-driving wheel of the utility model implementation method.
Fig. 7 is the figure of the structure of the wheel hub of the wheel for representing the utility model implementation method, and (A) is the front view of wheel hub,
(B) it is the A-A' directions sectional view in (A).
Specific embodiment
Describe the construction and its parts of the chain-less bicycle of the utility model implementation method in detail below with reference to the accompanying drawings,
In the description of the drawings, it is appropriate sometimes to omit part weight to essentially identical configuration or parts mark identical label
Multiple explanation and part known in those skilled in the art or structure.Although in addition, with reference to specific embodiment to this practicality
It is new to be described, it will be appreciated that, the description is not intended as the utility model being limited to described embodiment.Phase
Instead, the description is intended to cover may include replacing in the spirit and scope of the present utility model being defined by the appended claims
Change, improve and equivalent.It should be appreciated by those skilled in the art realizing that the utility model is not required for all these portion
Part, and type and arrangement that can be to these parts under without departing from spirit and scope of the present utility model make any changing
Become.Additionally, involved in this specification the utility model items technical characteristic and its effect be only it is exemplary enumerate, not
It is required that the utility model is provided simultaneously with all these features and effect, as needed, can only have one therein or several.
(definition in direction)
In the following description, bicycle state, the i.e. bicycle shown in Fig. 1 stands on the state on ground as base vertically
Standard, the direction of court of headstock institute is defined as " front " sometimes, the direction of court of tailstock institute be defined as " rear ", to headstock front see when
Vehicle right of vehicle left when being defined as " left ", being seen to headstock front be defined as " right ", direction straight up and determine
Plane definition where justice is " top ", vertically downward direction is defined as the wheel rim center of " lower section ", wheel is wheel rim center
Face, the direction and position residing for bicycle Each part are illustrated with this.
(bicycle overall structure)
Fig. 1 is the figure of the unitary construction of the bicycle for schematically showing the utility model implementation method.As shown in figure 1,
The bicycle main of the utility model implementation method will include vehicle frame 100, axle assembly 200a, Middle shaft assembly 300, rear axle assemblies
400th, wheel 500 and the handlebar of diagram, vehicle seat, crank and foot-operated are eliminated.Vehicle frame 100 include wheel fork 110a, head tube 120,
Down tube 130, integrated underframe 140, seat pipe 150.Wheel fork 110a can be connected to head tube 120 around the axial rotation of head tube 120
One end；The other end of head tube 120 is used to install handlebar (not shown)；One end phase of the head tube 120 in middle part and down tube 130
To being fixedly connected；The other end of down tube 130 is connected to the down tube connecting portion of integrated underframe 140 with being relatively fixed；Seat
One end of pipe 150 is connected to the seat pipe connecting portion of integrated underframe 140 with being relatively fixed；The other end of seat pipe 150 is used to install car
Seat (not shown).Additionally, integrated underframe 140 is the integration component for having five logical, Chain stays and rear axle installation portion function concurrently, and thereafter
Lower fork exists only in the one side of trailing wheel, as single tine structure.Likewise, wheel fork 110a is also single tine structure, i.e., only in wheel
Unilateral presence.To be described in detail for the front fork and its axle assembly that constitute the utility model feature below.
(wheel fork and its axle assembly of background technology)
Before wheel fork of the present utility model and its axle assembly is described in detail, first briefly introduce background technology wheel fork and
The structure of its axle assembly.
Fig. 2 is the schematic diagram for illustrating the construction of the front fork of background technology, and (A) of wherein Fig. 2 is the front view of front fork,
(B) of Fig. 2 is the left view of front fork, and (C) of Fig. 2 is the stereogram of front fork.Wherein, in wheel shaft side one end of front fork main body 111,
The wheel shaft installation portion 113 for extending certain distance along wheel direction of principal axis is provided with, for assembling axle assembly.By the wheel shaft installation portion
113 structure, can ensure that axial space when axle assembly 200 is assembled in the wheel shaft installation portion, it is ensured that in the axial direction
Two bearings 203,205 of two dot point wheel shafts 201 have enough separation distances.
Fig. 3 is the sectional view of the axle assembly 200 of background technology.As shown in figure 3, axle assembly 200 includes wheel shaft 201,
And by one end from the place side of wheel fork 110 to the other end order along the axial arranging of wheel shaft 201 jump ring 202, bearing
203rd, the shaft shoulder 204, bearing 205, spacer 206, ring flange 700 and location nut 208.Additionally, to prevent wheel shaft 201 and method
Rotating against between blue disk 700, is additionally provided with keyway-flat key construction 209 between.
(wheel fork of the utility model implementation method)
(A) and (B) of Fig. 4 is the schematic diagram for illustrating the construction of the wheel fork 110a of the utility model implementation method.
As shown in figure 4, wheel fork 110a of the present utility model is only to be provided with the so-called single-wheel fork of the wheel fork in the side of wheel,
Overall is in " L " shape, i.e. by the wheel fork main body 111a of the edge direction extension parallel with wheel rim median plane, in wheel fork main body 111a
One end along the head tube connecting portion 112a that extends perpendicular to the direction of wheel rim median plane and in the another of wheel fork main body 111a
End is made of one piece along this three part of wheel shaft installation portion 113a that its direction is formed with postponing.Herein it should be noted that with
The wheel shaft installation portion 113 of the front fork of background technology is different, and wheel shaft installation portion of the present utility model does not have substantially along wheel shaft
Certain distance is extended in direction, and the thickness that the thickness of its wheel shaft installation portion is overall with wheel fork main body 111a is roughly the same.On such as
The reasons why this sets wheel shaft installation portion 113a, will describe in detail later.
Additionally, being provided with the connecting hole for being connected with head tube 120 in head tube connecting portion 112a, head tube 120 is plugged in the company
Connect in hole and be relatively fixed with wheel fork 110a by the mode such as welding or riveting.It is of course also possible to the connecting hole is not provided with, directly
The head tube connecting portion 112a of wheel fork 110a is fixed on by head tube 120 by the mode such as welding or riveting.
In wheel shaft installation portion 113a, along wheel shaft mounting hole 115a is provided with perpendicular to the direction of wheel rim median plane, for assembling
Wheel shaft 201a described later.
In addition, the intensity to strengthen wheel fork 110a, shown in (A) of such as Fig. 4, can be at least wheel fork main body of wheel fork 110a
The sections inner side of 111a is provided with reinforcement.
(A) and (B) of Fig. 5 is the dress of the wheel fork 110a and wheel shaft 201a that schematically show the utility model implementation method
Figure with relation.As shown in (A) of Fig. 5, wheel shaft 201a generally cylindrical structurals are provided with for engaging in described later at one end
The end cap portion 207a of the shoulder hole of wheel shaft mounting hole.
In addition, as shown in (A) of Fig. 5, in the wheel shaft installation portion 113a of wheel fork 110a, along perpendicular to the side of wheel rim median plane
To the wheel shaft mounting hole 115a being provided with for making wheel shaft 201a pass through and fix.As shown in (B) of Fig. 5, wheel shaft mounting hole 115a
It is shoulder hole, the end difference (also referred to as end cap engaging portion below) of shoulder hole is locking with the end cap portion 207a set by wheel shaft one end, from
And wheel shaft is positioned in the axial direction.
In the utility model, wheel shaft 201a is relatively fixed with wheel fork 110a, will not rotate against.As for preventing
The structure that only it is rotated against, can make the relatively-stationary mode of two components using any of, for example can be such as (A) of Fig. 5
As shown in make the end cap portion 207a of wheel shaft 201a for anon-normal toroidal, such as Long Circle, while making the end cap of wheel shaft mounting hole
Engaging portion turns into the shape being engaged with the end cap portion, is rotated against between thus preventing the two.Alternatively, it is also possible to install wheel shaft
The section of the arbitrary portion being inserted in wheel shaft mounting hole of hole and wheel shaft is anon-normal toroidal.Further, it is also possible to make wheel fork with
Wheel shaft is relatively fixed by keyway-flat key structure, or is directly integrally formed the two.
(axle assembly of the utility model implementation method)
Fig. 6 is the sectional view for illustrating the axle assembly 200a of the utility model implementation method.As shown in fig. 6, wheel shaft
Component includes wheel shaft 201a, is sleeved on successively on the wheel shaft from the wheel installation end (being provided with the opposite end in end cap portion) of wheel shaft
Bearing 203a, bushing 206a, bearing 205a, and it is set up in the flower-drum 204a on two outer rings of bearing 203a and 205a.
The assembling of explanation axle assembly 200a below.Wheel shaft 201a is being inserted from the outside of wheel fork 110a as described above
Wheel shaft mounting hole 115a and it is locking after, from the wheel installation end of wheel shaft 201a be inserted in successively brake (not shown), bearing 205a,
Bushing 206a, flower-drum 204a, bearing 203a.In the utility model, brake preferably uses roller brake.Bearing 205a with
The mode of outer ring rotating is not influenceed to be connected to brake, opposite side is abutted by bushing 206a, so as in the axial direction of wheel shaft 201a
It is positioned.Then flower-drum 204a is inserted in, flower-drum 204a is sleeve-shaped, and one end of its roller fork side is coated at the outer of bearing 205a
Circle, it leans on one end of wheel side to be coated at the outer ring of bearing 203a, so as to be set up in the outer ring of bearing 205a and 203a, can
Rotated together with the outer ring of bearing.In addition, the enlarged outside diameter of the wheel installation end of flower-drum 204a and be formed as flange portion, in the method
Blue portion is circumferentially arranged with the screw for installing wheel (not shown).When wheel is installed on into the flange portion, one of wheel
Divide and abutted with bearing 203a in the way of not influenceing bearing 203a to rotate, so that bearing 203a is positioned in the axial direction.When
So, it is also possible to be separately arranged the keepers such as location nut by wheel side in bearing 203a to make bearing 203a fixed in the axial direction
Position.
In addition, as shown in fig. 6, the flower-drum 204a of present embodiment employs advance die casting when bearing 205a is set up in
In the insert 202a of flower-drum body, bearing 205a is coated at using insert 202a.Also, insert 202a's is exposed to
The periphery of the part outside flower-drum body is formed gear-like, and the gear is played as the inner ring fluted disc of roller brake to be made
With.By the way that the insert of the gear-like is fabricated separately, and flower-drum body is embedded in modes such as die casting, manufacturing cost can be saved.
It is of course also possible to not make the insert separately, but corresponding shape is directly processed into the end that the roller of flower-drum pitches side.
Thus, when by roller brake assembling between bearing 205a and wheel fork 110a, the gear-like of flower-drum 204a is partially inserted into
The center of roller brake, plays a role as its central gear such that it is able to make the assembling of each part on wheel shaft compacter,
Save wheel shaft installing space.
Roller brake modes are employed in the present embodiment, but it is also possible to using disc type, drum-type, embrace other centers such as formula
Mode of braking.
By the setting of above axle assembly, two bearings are enabled to be supported in the flower-drum as individual components, from
And can more ensure the spacing between two bearings, so that the load of axletree more equalization stable, and component count can be reduced
Amount.
Interference fit can be used between wheel shaft and the wheel shaft mounting hole of wheel fork so that rolling will not be produced between the two
It is dynamic.In addition, two bearings and bushing use slide fit mode with wheel between centers, similarly, flower-drum (insert) is and bearing between
Using slide fit mode, therefore the assembling of axle assembly can be made to become simple.
The construction of wheel fork of the present utility model, but wheel of the present utility model are illustrated by taking the front fork of bicycle use as an example above
Fork is applicable not only to the bicycle of two-wheeled, moreover it is possible to suitable for electric bicycle, motorcycle, tricycle, motor tricycle etc.,
That is, as long as the wheel fork of non-driving wheel, can be applicable wheel fork of the present utility model.In addition, illustrating in the present embodiment
Wheel fork is pitched for single-wheel, but can certainly be provided for supporting the supporting arm of wheel in the opposite side of wheel.
(wheel hub)
Fig. 7 is the figure of the structure of the wheel hub of the wheel 500 for representing the utility model implementation method, and (A) is the main view of wheel hub
Figure, (B) is A-A' directions (diameter) sectional view of the wheel hub in (A).
As shown in (A) of Fig. 7, the wheel hub of the wheel 500 of the utility model implementation method is by the wheel rim for installing tire
501, positioned at the centre of wheel hub, the wheel disc (mounting disc) for being installed to the wheel hub on axletree (foregoing wheel shaft 201a)
503, and be connected between wheel rim 501 and wheel disc 503, constituted for supporting the spoke 502 of wheel rim 501.Spoke 502 can be
Between wheel rim 501 and wheel disc 503, or and wheel rim is fixedly connected on by modes such as welding as single part
501st, wheel disc 503 is integrally formed.
Be provided with multiple bolts hole 504 along the peripheral part of wheel disc 503, its position respectively with the flange portion of foregoing flower-drum 204a
Multiple mounting holes it is corresponding, be bolted by wheel 500 be arranged on wheel shaft 201a wheel installation end.
As shown in (B) of Fig. 7, the wheel hub of the utility model implementation method is eccentric wheel, and the bearing of trend of spoke 502 is relative
It is that α is inclined at an angle in axial direction, α extends less than 90 degree, i.e. spoke not along perpendicular to the direction of wheel shaft.By
This so that wheel rim median plane (i.e. hub centre) and the mounting surface of wheel disc 503 between exist on the occasion of offset distance d so that wheel rim
Median plane overlaps with bicycle median plane.
By designing the tilt angle alpha of spoke 502, the size of offset distance d can be adjusted, while designing on wheel shaft 201a
Liner sleeve length etc. so that wheel rim median plane as close to the position of axle center, such that it is able to mitigate the negative of axletree and bearing
Lotus, can extend the service life of axletree and bearing, or reduce the requirement to axletree and the intensity of bearing.
Additionally, it is preferred that the offset distance d be set so that for example roller brake be in wheel rim median plane or its near, this
When, the braking ability of brake can be made more preferably.
It is explained above the embodiment that wheel fork of the present utility model, axle assembly, wheel hub are applied to bicycle, but these
The structure and its annexation of part are readily adaptable for use in the non-driven of the two wheelers such as electric bicycle, motorcycle or tricycle
Wheel.
Illustrate the utility model above by reference to the respective embodiments described above, but the utility model be not limited to it is above-mentioned each
Implementation method, the scheme constituted after appropriately combined or displacement of each implementation method is also contained in the range of the utility model.Separately
Outward, combination and processing sequence that the knowledge of those skilled in the art is suitably recombinated in each implementation method are also based on, or it is right
Each implementation method applies the deformation such as various design alterations, and the implementation method for being applied in such deformation is likely to be included in this reality
With in new scope.
Although the utility model has described each conception of species in detail, it will be appreciated by a person skilled in the art that for those
Be can be achieved under the spirit that the various modifications and substitutions of concept are integrally instructed disclosed in the utility model.Art technology
Personnel can just realize this illustrated in detail in the claims practicality with ordinary skill in the case of without undue experimentation
It is new.It is understood that disclosed specific concept is merely illustrative, model of the present utility model is not intended to limit
Enclose, scope of the present utility model is determined by the four corner of appended claims and its equivalent.
Claims (9)
1. a kind of axle assembly of wheel, it is characterised in that including：
One end when in use fixing assembling in the wheel shaft of wheel fork,
It is sleeved on clutch shaft bearing, bushing, second bearing on the wheel shaft successively from the other end of the wheel shaft, and
It is erected at the flower-drum on the outer ring of the clutch shaft bearing and the second bearing；
The bushing is used to make the clutch shaft bearing and the second bearing separate predetermined distance in the axial direction；
The flower-drum is sleeve-shaped, and its one end enlarged outside diameter for being set up in the clutch shaft bearing is formed as flange portion, for solid
Dingan County's wheel-mounted.
2. axle assembly as claimed in claim 1, it is characterised in that
In the axial direction of the wheel shaft, it is provided between the second bearing and the wheel fork for installation center mode of braking
The space of brake.
3. axle assembly as claimed in claim 2, it is characterised in that
In the brake of the space mounting roller brake modes；
The periphery of one end for being set up in the second bearing of the flower-drum is processed to gear-like, used as the roller brake side
The inner ring fluted disc of the brake of formula plays a role.
4. axle assembly as claimed in claim 3, it is characterised in that
One end that the periphery of the flower-drum is processed to gear-like is the independent insert for making for using, and the insert is embedded into
It is fixed on the flower-drum body of the flower-drum.
5. axle assembly as claimed in claim 1, it is characterised in that
The wheel shaft at least a portion for being securely fitted in wheel fork, its cross sectional shape perpendicular to axial direction is processed to
Anon-normal toroidal.
6. the axle assembly as described in claim 1 or 5, it is characterised in that
The end cap portion of enlarged outside diameter is formed with for fixing assembling in one end of wheel fork so that be assemblied in wheel in the wheel shaft
It is locking with engaging portion set by the wheel shaft mounting hole of wheel fork during fork.
7. axle assembly as claimed in claim 6, it is characterised in that
The cross sectional shape perpendicular to axial direction in the end cap portion of the wheel shaft is non-circular, in the institute engaging in the wheel fork
When stating engaging portion, prevent the wheel shaft from being rotated against with the wheel fork.
8. axle assembly as claimed in claim 1, it is characterised in that
Also include in the axial direction clipping the clutch shaft bearing with the bushing and not influenceing the outer ring rotating of the clutch shaft bearing
The keeper that mode is installed.
9. a kind of two wheeler or tricycle, it is characterised in that
Equipped with the axle assembly as described in any one such as claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621085719.0U CN206231544U (en) | 2016-09-27 | 2016-09-27 | The axle assembly of two wheeler, tricycle and its wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621085719.0U CN206231544U (en) | 2016-09-27 | 2016-09-27 | The axle assembly of two wheeler, tricycle and its wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206231544U true CN206231544U (en) | 2017-06-09 |
Family
ID=58983354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621085719.0U Active CN206231544U (en) | 2016-09-27 | 2016-09-27 | The axle assembly of two wheeler, tricycle and its wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206231544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018059055A1 (en) * | 2016-09-27 | 2018-04-05 | 北京摩拜科技有限公司 | Mounting structure for wheel shaft assembly and wheel fork, frame and vehicle |
| JP2021091286A (en) * | 2019-12-10 | 2021-06-17 | 株式会社アルミス | Power-assisted bicycle |
-
2016
- 2016-09-27 CN CN201621085719.0U patent/CN206231544U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018059055A1 (en) * | 2016-09-27 | 2018-04-05 | 北京摩拜科技有限公司 | Mounting structure for wheel shaft assembly and wheel fork, frame and vehicle |
| JP2021091286A (en) * | 2019-12-10 | 2021-06-17 | 株式会社アルミス | Power-assisted bicycle |
| JP7486773B2 (en) | 2019-12-10 | 2024-05-20 | 株式会社アルミス | Electrically assisted bicycles |
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Effective date of registration: 20201214 Address after: Room 168, building 6, 741 Hangzhou Road, Yangpu District, Shanghai 200090 Patentee after: HANHAI INFORMATION TECHNOLOGY SHANGHAI Co.,Ltd. Address before: Room B-3042, 2 bungalows, No. 5 Xueqing Road, Haidian District, Beijing, 100193 Patentee before: BEIJING MOBIKE TECHNOLOGY Co.,Ltd. |