CN208947519U - Motorcycle bottom fork assembly and its motorcycle - Google Patents
Motorcycle bottom fork assembly and its motorcycle Download PDFInfo
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- CN208947519U CN208947519U CN201821215405.7U CN201821215405U CN208947519U CN 208947519 U CN208947519 U CN 208947519U CN 201821215405 U CN201821215405 U CN 201821215405U CN 208947519 U CN208947519 U CN 208947519U
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- bottom fork
- bushing
- axle pipe
- vehicle frame
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Abstract
The utility model discloses a kind of motorcycle bottom fork assembly and its motorcycles, wherein motorcycle bottom fork assembly includes left axle pipe, right axle pipe and the interior bottom fork axis for being placed on left axle pipe and right axle pipe, left axle pipe and right axle pipe be respectively in the engine two sides of motorcycle and bottom fork axis through motorcycle engine, left axle pipe is by left bushing and right axle pipe is coated at the extensible member being provided between bottom fork axis, left bushing or/and right bushing and the vehicle frame axial direction of motorcycle for filling control gap by right bushing；By the way that extensible member is arranged between bushing and vehicle frame, conducive to the width between vehicle frame to be arranged wider, width is installed larger when motorcycle bottom fork being facilitated to install, simultaneously, larger deformation occurs after avoiding vehicle frame from locking, guarantee the safety and stability of Finished Motorcycle of motorcycle, extends the service life of chain stay installation assembly.
Description
Technical field
The utility model relates to motorcycle fields, and in particular to a kind of motorcycle bottom fork assembly and its motorcycle.
Background technique
Chain stay is motorcycle important component, belongs to suspension arrangement.Chain stay includes two leg pipes, and two leg pipe front ends are fixed respectively to be connected
It is connected to central siphon, rear-wheel axis hole is arranged in rear end, for installing rear-wheel.Bottom fork axis pipe sleeve cooperates on motorcycle bottom fork axis with it,
To guarantee to have certain relative rotation and guaranteeing the damping effect of rear-wheel, needs to rotate between chain stay central siphon and axis and match
It closes, and there is reasonable gap.In the prior art, there are two types of structures for the installation of chain stay, and one is chain stays to be directly mounted at vehicle frame
On, using one central siphon, and during installation by strain at effect make vehicle frame mounting plate deform by chain stay be clipped in the middle with
Eliminate biggish axial gap；It is inconsistent when being deformed due to vehicle frame or so, and due to will lead to using techniques such as welding
Tolerance is larger, keeps engine and vehicle frame center inconsistent, influences the stability and driving safety of vehicle；Another chain stay setting
Split type central siphon is simultaneously respectively in engine two sides and is installed by bottom fork axis, directly assembles the related engine of chain stay together
On vehicle frame, by the rubber deformation between chain stay cushion collar inner sleeve and housing, chain stay is made more closely to be installed on vehicle frame or start
Machine；Since the fit tolerance between cushion collar housing and chain stay central siphon is difficult to control, tight press fitting is difficult, and Song Liaohui makes cushion collar
In chain stay transverse tube axis direction play, the play that entire rear-wheel ties up to chain stay transverse tube axis direction is increased；Two kinds of mounting structures
It must be difficult to assemble there are gap, if gap is too small between chain stay and engine or vehicle frame, if gap is excessive, must make
Vehicle frame increases deflection, and the stress at vehicle frame chain stay mounting hole can in this way increased and shortens the working life, to influence vehicle
Safety in utilization.
Therefore, in order to solve the above problem, a kind of motorcycle bottom fork assembly and its motorcycle are needed, is conducive to motorcycle bottom fork and pacifies
Dress is convenient, and vehicle frame is avoided to generate larger deformation, guarantees the safety and stability of Finished Motorcycle of motorcycle, extends chain stay installation assembly
Service life.
Utility model content
In view of this, the purpose of the utility model is to overcome defect in the prior art, provide motorcycle bottom fork assembly and
Its motorcycle, it is easy for installation to be conducive to motorcycle bottom fork, and vehicle frame is avoided to generate larger deformation, guarantee Finished Motorcycle of motorcycle safety and
Stability extends the service life of chain stay installation assembly.
The motorcycle bottom fork assembly of the utility model, including left axle pipe, right axle pipe and interior left axle pipe and the right axle pipe of being placed on
Bottom fork axis, the left axle pipe and right axle pipe are respectively in the engine two sides of motorcycle and bottom fork axis starts through motorcycle
Machine, the left axle pipe by left bushing and right axle pipe by right bushing be coated at bottom fork axis, the left bushing or/and right bushing with
The extensible member for filling control gap is provided between the vehicle frame axial direction of motorcycle.
Further, the extensible member is set to the vehicle frame of motorcycle in such a way that axial position is adjustable, which passes through
Lateral position adjusts axial restraint when realizing corresponding bushing installation.
Further, the vehicle frame of the extensible member and motorcycle is threadedly engaged, and the axis of extensible member is realized by rotary extension part
It is adjusted to position.
Further, the extensible member is thread bush, and the screw thread external threading inner sleeve is in the chain stay that frame of motorcycle is arranged in
In shaft mounting hole, bottom fork axis slide axially in be placed on the thread bush.
Further, the axial outer end anchor ring of the thread bush is recessed to form driver slot, the driver slot and external drive bar
Circumferential driving cooperation realizes that thread bush is circumferentially rotated by driving, and the axial inner ends anchor ring of thread bush presses on the outer of corresponding bushing
End face.
Further, only one end is provided with extensible member to the bottom fork axis.
Further, the right end that the bottom fork axis is located at motorcycle right vehicle frame forms right hold-doun nut, and bottom fork axis left end passes through
The left vehicle frame of motorcycle is simultaneously fixed by left fastening nut, and right hold-doun nut is under the action of left fastening nut tight against motorcycle right
The outer end face of vehicle frame.
Further, the left bushing and right bushing are T-shaped structure of the major part close to engine longitudinal central face side.
Further, it is rotatably assorted between the left excircle of bushing and left axle pipe by the dynamic bearing that rolls left；Outside the right bushing
It is rotatably assorted between round and right axle pipe by right rolling bearing；The left and right rolling bearing is correspondingly arranged on oil sealing knot respectively
Structure.
The utility model discloses a kind of motorcycle, the motorcycle is provided with motorcycle bottom fork assembly, the motorcycle
Bottom fork assembly is the motorcycle bottom fork assembly of above structure.
The beneficial effects of the utility model are: a kind of motorcycle bottom fork assembly disclosed by the utility model and its motorcycle,
By the way that extensible member is arranged between bushing and vehicle frame, conducive to the width between vehicle frame to be arranged wider, facilitate motorcycle bottom fork
When installation install width it is larger, then, extend extensible member so that vehicle frame and bushing between gap be filled, guarantee bushing
Axially position, be overlapped conducive to the transverse center of engine of motorcycle with the transverse center of vehicle frame, meanwhile, avoid vehicle frame from locking
After larger deformation occurs, guarantee the safety and stability of Finished Motorcycle of motorcycle, extend the service life of chain stay installation assembly.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Fig. 1 is the structural schematic diagram of the utility model, as shown, the motorcycle bottom fork assembly in the present embodiment, including
Left axle pipe 1, right axle pipe 2 and the interior bottom fork axis 3 for being placed on left axle pipe 1 and right axle pipe 2, the left axle pipe 1 and right axle pipe 2 are respectively in and rub
The engine two sides of motorcycle and bottom fork axis 3 is through the engine 14 of motorcycle, certainly, the left axle pipe and right axle pipe of chain stay are corresponding
The left leg pipe and right leg pipe being arranged do not indicate in figure；The left axle pipe is passed through outside right bushing 5 by left bushing 4 and right axle pipe 2
It is placed on bottom fork axis 3, is provided between the left bushing 4 or/and right bushing 5 and the vehicle frame axial direction of motorcycle for filling control room
The extensible member 6 of gap；By the way that extensible member 6 is arranged between bushing and vehicle frame, conducive to the width between vehicle frame to be arranged wider, side
Just motorcycle bottom fork install when installation width it is larger, then, extend extensible member 6 so that vehicle frame and bushing between gap quilt
Filling, guarantees the axially position of bushing, is overlapped conducive to the transverse center of engine of motorcycle with the transverse center of vehicle frame, together
When, larger deformation occurs after avoiding vehicle frame from locking, guarantees the safety and stability of Finished Motorcycle of motorcycle, extends chain stay installation assembly
Service life；The axial axial direction for indicating bottom fork axis 3, before laterally indicating that the left and right directions of motorcycle, longitudinal direction indicate motorcycle
Rear direction.
In the present embodiment, the extensible member 6 is set to the vehicle frame of motorcycle in such a way that axial position is adjustable, the extensible member
6 adjust axial restraint when realizing corresponding bushing installation by lateral position；The extensible member 6 with it is existing can with axial position
The mode of tune is installed on vehicle frame, and extensible member 6 is installed on vehicle frame, and the installation conducive to extensible member 6 is stable and operation is stretched certainly
Part 6 is also mountable on corresponding bushing, and details are not described herein.
In the present embodiment, the vehicle frame of the extensible member 6 and motorcycle is threadedly engaged, and is realized by rotary extension part 6 flexible
The axial position of part 6 is adjusted；The extensible member 6 can be telescopic rod or telescopic, pass through Screw assembly extensible member 6, axial position
It is easy to adjust, and the self-locking for passing through screw thread after adjusting carries out axial locking, locking stability is high.
In the present embodiment, the extensible member 6 is thread bush, and the screw thread external threading inner sleeve is in being arranged in frame of motorcycle
In chain stay shaft mounting hole 7, bottom fork axis 3 slide axially in be placed on the thread bush；As shown, simple and compact for structure, installation and
It is easy to assembly.
In the present embodiment, the axial outer end anchor ring of the thread bush is recessed to form driver slot, the driver slot and external drive
Circumferentially driving cooperation realizes that thread bush is circumferentially rotated by driving to lever, and the axial inner ends anchor ring of thread bush presses on corresponding bushing
Outer end face；The lateral outer ends of the thread bush are located in chain stay shaft mounting hole 7, after bushing positioning is placed, pass through external drive
Thread bush is driven to rotate for bar and abutting bushing, the circumferential drive for crossing external drive bar and thread bush are realized in movement laterally inward
The structure of dynamic cooperation can be all driving structures for being able to achieve the utility model aim in the prior art, for example, end face tooth engagement
Or end face cotter way cooperation etc., details are not described herein.
In the present embodiment, only one end is provided with extensible member 6 to the bottom fork axis 3；As shown, the utility model is only with left end
It is provided with thread bush, for the inner face of motorcycle right vehicle frame as bushing positioning reference plane, structure is simple, easy to assembly, assembly essence
Degree is high.
In the present embodiment, the right end that the bottom fork axis 3 is located at motorcycle right vehicle frame 9 forms right hold-doun nut 10, bottom fork axis 3
Left end passes through the left vehicle frame 8 of motorcycle and fixes 11 by left fastening nut, effect of the right hold-doun nut 10 in left fastening nut
Under tight against motorcycle right vehicle frame 9 outer end face；So that entire chain stay installation assembly is linked to be the entirety of fastening, improve installation globality and
Safety.
In the present embodiment, the left bushing 4 and right bushing 5 are T shape of the major part close to engine longitudinal central face side
Structure；It can guarantee not occurring between the left vehicle frame 8 of left axle pipe and right axle pipe 2 and motorcycle and the right vehicle frame 9 of motorcycle directly
Friction, and end face axial pressure bearing intensity is high, guarantees the overall stability of vehicle frame, to guarantee the safety of vehicle.
In the present embodiment, it is rotatably assorted between left 4 outer circle of bushing and left axle pipe by the dynamic bearing 12 that rolls left；The right side
It is rotatably assorted between 5 outer circle of bushing and right axle pipe 2 by right rolling bearing 13；The left and right rolling bearing, which respectively corresponds, to be set
It is equipped with oil enveloping structure；As shown, globality and stability in order to guarantee this structure, roll left dynamic bearing 12 and right rolling bearing
It respectively two groups, is set side by side along axial direction, and is provided with oil enveloping structure and carries out oil sealing.
The utility model discloses a kind of motorcycle, the motorcycle is provided with motorcycle bottom fork assembly, the motorcycle
Bottom fork assembly is the motorcycle bottom fork assembly of above structure；The motorcycle is easy to assembly, chain stay long service life.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of motorcycle bottom fork assembly, it is characterised in that: including left axle pipe, right axle pipe and interior left axle pipe and the right axle pipe of being placed on
Bottom fork axis, the left axle pipe and right axle pipe are respectively in the engine two sides of motorcycle and bottom fork axis starts through motorcycle
Machine, the left axle pipe by left bushing and right axle pipe by right bushing be coated at bottom fork axis, the left bushing or/and right bushing with
The extensible member for filling control gap is provided between the vehicle frame axial direction of motorcycle.
2. motorcycle bottom fork assembly according to claim 1, it is characterised in that；The extensible member is adjustable with axial position
Mode is set to the vehicle frame of motorcycle, which adjusts the axial restraint realized when corresponding bushing is installed by lateral position.
3. motorcycle bottom fork assembly according to claim 2, it is characterised in that: the vehicle frame spiral shell of the extensible member and motorcycle
Line cooperation realizes that the axial position of extensible member is adjusted by rotary extension part.
4. motorcycle bottom fork assembly according to claim 3, it is characterised in that: the extensible member is thread bush, the spiral shell
Be placed in line external threading in the chain stay shaft mounting hole that frame of motorcycle is set, bottom fork axis slide axially in be placed on the screw thread
Set.
5. motorcycle bottom fork assembly according to claim 4, it is characterised in that: the axial outer end anchor ring of the thread bush is recessed
It falls into and forms driver slot, circumferentially driving cooperation realizes that thread bush is circumferentially rotated by driving for the driver slot and external drive bar, spiral shell
The axial inner ends anchor ring of line set presses on the outer end face of corresponding bushing.
6. motorcycle bottom fork assembly according to claim 1, it is characterised in that: the bottom fork axis only one end be provided with it is flexible
Part.
7. motorcycle bottom fork assembly according to claim 1, it is characterised in that: the bottom fork axis is located at motorcycle right vehicle frame
Right end form right hold-doun nut, bottom fork axis left end passes through the left vehicle frame of motorcycle and is fixed by left fastening nut, right fixation
Nut is under the action of left fastening nut tight against the outer end face of motorcycle right vehicle frame.
8. motorcycle bottom fork assembly according to claim 1, it is characterised in that: the left bushing and right bushing are major part
T-shaped structure close to engine longitudinal central face side.
9. motorcycle bottom fork assembly according to claim 1, it is characterised in that: between the left excircle of bushing and left axle pipe
By rolling left, dynamic bearing is rotatably assorted；It is rotatably assorted between the right excircle of bushing and right axle pipe by right rolling bearing；It is described
Left and right rolling bearing is correspondingly arranged on oil enveloping structure respectively.
10. a kind of motorcycle, the motorcycle is provided with motorcycle bottom fork assembly, it is characterised in that: the motorcycle bottom fork is total
As motorcycle bottom fork assembly described in claim 1-9 any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215405.7U CN208947519U (en) | 2018-07-28 | 2018-07-28 | Motorcycle bottom fork assembly and its motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215405.7U CN208947519U (en) | 2018-07-28 | 2018-07-28 | Motorcycle bottom fork assembly and its motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208947519U true CN208947519U (en) | 2019-06-07 |
Family
ID=66732625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821215405.7U Active CN208947519U (en) | 2018-07-28 | 2018-07-28 | Motorcycle bottom fork assembly and its motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208947519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050769A (en) * | 2018-07-28 | 2018-12-21 | 重庆隆鑫机车有限公司 | Motorcycle bottom fork assembly and its motorcycle |
| CN111038637A (en) * | 2019-12-13 | 2020-04-21 | 重庆宗申创新技术研究院有限公司 | Anti-shifting bottom fork connecting structure of motorcycle |
-
2018
- 2018-07-28 CN CN201821215405.7U patent/CN208947519U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050769A (en) * | 2018-07-28 | 2018-12-21 | 重庆隆鑫机车有限公司 | Motorcycle bottom fork assembly and its motorcycle |
| CN111038637A (en) * | 2019-12-13 | 2020-04-21 | 重庆宗申创新技术研究院有限公司 | Anti-shifting bottom fork connecting structure of motorcycle |
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| GR01 | Patent grant |