CN206107440U - Two wheeler, tricycle and fork that frame, wheel were used thereof - Google Patents
Two wheeler, tricycle and fork that frame, wheel were used thereof Download PDFInfo
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- CN206107440U CN206107440U CN201621085966.0U CN201621085966U CN206107440U CN 206107440 U CN206107440 U CN 206107440U CN 201621085966 U CN201621085966 U CN 201621085966U CN 206107440 U CN206107440 U CN 206107440U
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Abstract
The utility model provides a two wheeler, tricycle and fork that frame, wheel were used thereof. The fork includes: the fork main part, one end in the fork main part is " L " word form ground connected to the frame portion that form, that be used for being connected to the frame with the fork main part, and at the other end of fork main part, along the direction integrated into one piece of the rim central plane of perpendicular to wheel or fixed connection's shaft.
Description
Technical field
This utility model is related to the wheel fork of two wheeler, tricycle and its vehicle frame, wheel, more particularly to ties with single-wheel fork
The two wheeler of structure, tricycle and its vehicle frame, the wheel fork 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 in the applicant in the invention name to Patent Office of the People's Republic of China's submission on the 29th of September in 2015
Referred to as (Application No. 201510634705.3 calls background skill in the following text for the application for a patent for invention of " chain-less bicycle and its wheel fork, vehicle frame "
Art) in, it is proposed that a kind of bicycle that construction is pitched with single-wheel, its moulding unique and beautiful, rugged construction is compact.
The content of the invention
In this 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 providing a kind of simple structure, easy processing, easily assembling, ruggedness
Wheel fork, the construction of wheel group component.Here is it should be noted that above advantage is for preferred forms of the present utility model
For, do not require that the feature that this utility model claim is limited can be while realize all advantages.
A scheme of the present utility model is a kind of wheel fork of wheel, including：Wheel fork main body；In one end of wheel fork main body
Vehicle frame connecting portion formed in " L " shape ground with wheel fork main body, for being connected to vehicle frame；And in the another of wheel fork main body
End, along the wheel shaft that the direction of the wheel rim median plane perpendicular to wheel is integrally formed or is fixedly connected.
Another scheme of the present utility model is also a kind of wheel fork of wheel, including：Wheel fork main body；In wheel fork main body
Vehicle frame connecting portion that one end is formed with wheel fork main body in " L " shape ground, for being connected to vehicle frame；And in the another of wheel fork main body
The wheel shaft installation portion that one end is formed with postponing.Wherein, in wheel shaft installation portion, the direction along the wheel rim median plane perpendicular to wheel is opened
There is the wheel shaft installing hole for being fixedly connected wheel shaft so that when wheel shaft is fixed in wheel shaft installing hole, will not relative rotation between the two
Turn.
Another program of the present utility model is the vehicle frame of a kind of two wheeler or tricycle, including for installing the head of handlebar
Pipe, and foregoing wheel fork, its vehicle frame connecting portion is connected to head tube.
Another scheme of the present utility model is a kind of two wheeler or tricycle, it uses foregoing wheel fork.
Additionally, the combination in any of above element, the form of expression of the present utility model are needed according to reality processing
The embodiment after suitably change is carried out, is also effective as scheme of the present utility model.
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
Meaning property each embodiment of the present utility model is illustrated, 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 this utility model embodiment.
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 axonometric chart 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 this utility model embodiment.
(A) and (B) of Fig. 5 is assembly relation of the wheel fork with wheel shaft for schematically showing this utility model embodiment
Figure.
Fig. 6 is the sectional view for illustrating the axle assembly of the non-driving wheel of this utility model embodiment.
Fig. 7 is the figure of the structure of the wheel hub of the wheel for representing this utility model embodiment, (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 this utility model embodiment 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 this 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, realize that this utility model is not required for all these portion
Part, and any changing can be made to the type and arrangement of these parts under without departing from spirit and scope of the present utility model
Become.Additionally, involved in this specification this utility model items technical characteristic and its effect be only it is exemplary enumerate, not
It is required that this 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, the state on ground is vertically stood on as base with bicycle state, the i.e. bicycle shown in Fig. 1
Standard, sometimes the direction of court of headstock institute is defined as into " front ", the direction of court of tailstock institute be defined as " rear ", to headstock front see when
Vehicle left be defined as " left ", to headstock front see when vehicle right be defined as " right ", direction straight up and determine
Justice is " top ", the plane definition that vertically downward direction is defined as " lower section ", the wheel rim center of wheel is located is wheel rim center
Face, the direction and position residing for bicycle Each part is illustrated with this.
(bicycle overall structure)
Fig. 1 is the figure of the unitary construction of the bicycle for schematically showing this utility model embodiment.As shown in figure 1,
The bicycle main of this utility model embodiment 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 this 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 axonometric chart 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 the one end to the other end from the place side of wheel fork 110 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 between keyway-flat key construction 209.
(wheel fork of this utility model embodiment)
(A) and (B) of Fig. 4 is the schematic diagram for illustrating the construction of the wheel fork 110a of this utility model embodiment.
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 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.Here 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.With regard to such as
The reasons why this arranges 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 installing 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 this utility model embodiment
Figure with relation.As shown in (A) of Fig. 5, wheel shaft 201a generally cylindrical structurals are provided with one end for engaging in described later
The end cap portion 207a of the shoulder hole of wheel shaft installing 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 installing hole 115a being provided with for making wheel shaft 201a pass through and fix.As shown in (B) of Fig. 5, wheel shaft installing hole 115a
For 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 this 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 wheel shaft 201a end cap portion 207a be anon-normal toroidal, such as Long Circle, while making the end cap of wheel shaft installing hole
Engaging portion becomes the shape being engaged with the end cap portion, thus prevents from being rotated against between the two.Alternatively, it is also possible to install wheel shaft
The section of the arbitrary portion being inserted in wheel shaft installing 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 this utility model embodiment)
Fig. 6 is the sectional view for illustrating the axle assembly 200a of this utility model embodiment.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 the flower-drum 204a being set up on the outer ring of two bearings 203a and 205a.
The assembling of axle assembly 200a is illustrated below.Wheel shaft 201a inserted from the outside of wheel fork 110a as described above
Wheel shaft installing 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 this utility model, brake preferably adopts roller brake.Bearing 205a with
The mode for not affecting outer ring rotating is connected to brake, and 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, 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
Rotate 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 affecting 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, using the insert 202a bearing 205a is coated at.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 gear of roller brake to be made
With.By the insert that the gear-like is fabricated separately, and with the embedded flower-drum body of the modes such as die casting, manufacturing cost can be saved.
It is of course also possible to separately not make the insert, but corresponding shape is directly processed into in 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.
By the setting of above axle assembly, enable to two bearings and be supported in the flower-drum as individual components, from
And can more guarantee 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 adopted between wheel shaft and the wheel shaft installing hole of wheel fork so that rolling will not be produced between the two
It is dynamic.In addition, two bearings and bushing adopt 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.
Illustrate the construction of wheel fork of the present utility model, but wheel of the present utility model 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 suitable for wheel fork of the present utility model.In addition, illustrating in the present embodiment
Wheel fork is single-wheel fork, 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 this utility model embodiment, (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 this utility model embodiment is by the wheel rim for mounting tyre
501, positioned at the centre of wheel hub, the wheel disc (mounting disc) for being installed to the wheel hub on axletree (aforesaid wheel shaft 201a)
503, and be connected to the spoke 502 between wheel rim 501 and wheel disc 503, for supporting wheel rim 501 and constitute.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 aforesaid flower-drum 204a
Multiple installing 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 this utility model embodiment is eccentric, and the bearing of trend of spoke 502 is relative
It is that at an angle α is inclined in axial direction, α extends less than 90 degree, i.e. spoke not along the direction perpendicular to wheel shaft.By
This so that wheel rim median plane (i.e. hub centre) exist and the mounting surface of wheel disc 503 between on the occasion of offset distance d so that wheel rim
Median plane overlaps with bicycle median plane.
By the tilt angle alpha for designing spoke 502, the size of offset distance d can be adjusted, while designing the lining on wheel shaft 201a
Set length etc. so that wheel rim median plane as close to the position of axle center, such that it is able to mitigate the load of axletree and bearing,
The service life of axletree and bearing can be extended, 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 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 this utility model above by reference to the respective embodiments described above, but this utility model be not limited to it is above-mentioned each
Embodiment, the scheme constituted after appropriately combined or displacement of each embodiment is also contained in the range of this utility model.Separately
Outward, combination and processing sequence that the knowledge of those skilled in the art is suitably recombinated in each embodiment are also based on, or it is right
Each embodiment applies the deformation such as various design alterations, and the embodiment for being applied in such deformation is likely to be included in this reality
With in new scope.
Although this utility model has described each conception of species in detail, it will be appreciated by a person skilled in the art that for those
Can be achieved under the spirit that the various modifications and substitutions of concept are integrally instructed disclosed in this utility model.Art technology
Personnel just can realize this illustrated in detail in the claims practicality with ordinary skill in the case of without the need for 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 (10)
1. a kind of wheel fork of wheel, it is characterised in that include：
Wheel fork main body,
Vehicle frame formed in " L " shape ground with the wheel fork main body in one end of the wheel fork main body, for being connected to vehicle frame
Connecting portion, and
In the other end of the wheel fork main body, it is integrally formed along the direction of the wheel rim median plane perpendicular to the wheel or fixed company
The wheel shaft for connecing.
2. a kind of wheel fork of wheel, it is characterised in that include：
Wheel fork main body,
Vehicle frame formed in " L " shape ground with the wheel fork main body in one end of the wheel fork main body, for being connected to vehicle frame
Connecting portion, and
In the wheel shaft installation portion that the other end of the wheel fork main body is formed with postponing along its direction；
Wherein, in the wheel shaft installation portion, the direction along the wheel rim median plane perpendicular to the wheel is provided with for being fixedly connected
The wheel shaft installing hole of wheel shaft so that when the wheel shaft is fixed in the wheel shaft installing hole, will not rotate against between the two.
3. wheel fork as claimed in claim 2, it is characterised in that
At least one of cross sectional shape of the wheel shaft installing hole is non-circular.
4. wheel fork as claimed in claim 2 or claim 3, it is characterised in that
The wheel shaft installing hole is shoulder hole, and the end difference of shoulder hole is used for end cap that is corresponding with one end of the wheel shaft and setting
Portion is locking.
5. wheel fork as claimed in claim 4, it is characterised in that
The cross sectional shape parallel to the wheel rim median plane of the large-diameter portion of the wheel shaft installing hole is anon-normal toroidal.
6. wheel fork as claimed in claim 2, it is characterised in that
The size of the wheel shaft installing hole is set and makes it possible to and the wheel shaft interference fit.
7. wheel fork as claimed in claim 1 or 2, it is characterised in that
The wheel fork main body is integrally formed with the vehicle frame connecting portion.
8. wheel fork as claimed in claim 1 or 2, it is characterised in that
At least it is formed with a plurality of reinforcement in the wheel fork main body.
9. the vehicle frame of a kind of two wheeler or tricycle, it is characterised in that include：
For installing the head tube of handlebar, and
Wheel fork described in claim 1 or 2, its vehicle frame connecting portion is connected to the head tube.
10. a kind of two wheeler or tricycle, it is characterised in that
Wheel fork as claimed in claim 1 or 2 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621085966.0U CN206107440U (en) | 2016-09-27 | 2016-09-27 | Two wheeler, tricycle and fork that frame, wheel were used thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621085966.0U CN206107440U (en) | 2016-09-27 | 2016-09-27 | Two wheeler, tricycle and fork that frame, wheel were used thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206107440U true CN206107440U (en) | 2017-04-19 |
Family
ID=58521880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621085966.0U Active CN206107440U (en) | 2016-09-27 | 2016-09-27 | Two wheeler, tricycle and fork that frame, wheel were used thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206107440U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061652A (en) * | 2017-04-21 | 2017-08-18 | 大连理工大学 | Stepless speed change device |
| CN107244373A (en) * | 2017-06-22 | 2017-10-13 | 重庆银钢科技（集团）有限公司 | A kind of two wheeler |
| CN107867356A (en) * | 2016-09-27 | 2018-04-03 | 北京摩拜科技有限公司 | The wheel fork of two wheeler, tricycle and its vehicle frame, wheel |
| 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 |
-
2016
- 2016-09-27 CN CN201621085966.0U patent/CN206107440U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867356A (en) * | 2016-09-27 | 2018-04-03 | 北京摩拜科技有限公司 | The wheel fork of two wheeler, tricycle and its vehicle frame, wheel |
| 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 |
| CN107061652A (en) * | 2017-04-21 | 2017-08-18 | 大连理工大学 | Stepless speed change device |
| CN107244373A (en) * | 2017-06-22 | 2017-10-13 | 重庆银钢科技（集团）有限公司 | A kind of two wheeler |
| CN107244373B (en) * | 2017-06-22 | 2023-08-22 | 重庆银钢科技（集团）有限公司 | Two-wheeled vehicle |
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Effective date of registration: 20201216 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. |