CN201923267U - Bottom fork structure and motorcycle with same - Google Patents
Bottom fork structure and motorcycle with same Download PDFInfo
- Publication number
- CN201923267U CN201923267U CN2010206531798U CN201020653179U CN201923267U CN 201923267 U CN201923267 U CN 201923267U CN 2010206531798 U CN2010206531798 U CN 2010206531798U CN 201020653179 U CN201020653179 U CN 201020653179U CN 201923267 U CN201923267 U CN 201923267U
- Authority
- CN
- China
- Prior art keywords
- central siphon
- lining
- motor bike
- chain stay
- bottom fork
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model discloses a bottom fork structure and a motorcycle with the same. A bottom fork mounting assembly comprises a left axle pipe, a right axle pipe and a bottom fork axle, the left axle pipe and the right axle pipe are respectively arranged on two sides of an engine of the motorcycle while the bottom fork axle penetrates through the engine of the motorcycle, the left axle pipe passes through a left bushing to be sleeved outside the bottom fork axle while the right axle pipe passes through a right bushing to be sleeved outside the bottom fork axle, and the left bushing adopts a right end surface of a left frame of the motorcycle as a reference surface while two axial ends of the left bushing are tightly abutted between the engine and the left frame of the motorcycle, so that a longitudinal center surface between the left frame of the motorcycle and a right frame of the motorcycle is coincident to a longitudinal center surface of the engine of the motorcycle. The longitudinal center surface between the left frame of the motorcycle and the right frame of the motorcycle is coincident with the longitudinal center surface of the engine of the motorcycle, alignment can be realized during assembly, and safety and stability of the total motorcycle are guaranteed. Deformation force is not required to be exerted on a frame of the motorcycle during installation, thereby prolonging service lives of the frame and the bottom fork mounting assembly.
Description
Technical field
The utility model relates to a kind of motorcycle part and motor bike thereof, and particularly a kind of motor bike is used to install the component assembly and the motor bike thereof of trailing wheel.
Background technology
Chain stay is the motor bike vitals, belongs to suspension gear.Chain stay comprises two leg pipes, and two leg pipe leading sections are fixedly connected with central siphon respectively, and the rear end is provided with the trailing wheel axis hole, is used to install trailing wheel.The bottom fork axis pipe box is mated on the motorcycle bottom fork axle, for guaranteeing certain relative rotation and guaranteeing the damping effect of trailing wheel, needs normal-running fit between chain stay central siphon and the axis, and has rational gap.In the prior art, chain stay two kinds of structures are installed, a kind of be the chain stay direct mount on vehicle frame, adopt the central siphon of one, and rely on the effect of straining at that the vehicle frame adapter plate is deformed when mounted chain stay is clipped in the middle to eliminate bigger endplay; Since inconsistent about when vehicle frame deforms, and, make driving engine and vehicle frame center inconsistent because technologies such as employing welding can cause tolerance bigger, influence the stability and the driving safety of car load; Another kind of chain stay is provided with split type central siphon and is respectively in the driving engine both sides to be installed by bottom fork axis, directly be assemblied in the related driving engine of chain stay on the vehicle frame together, rely on the rubber deformation between interior cover of chain stay cushion collar and the overcoat, make chain stay be installed on vehicle frame or driving engine more closely; Because the tolerance on fit between cushion collar overcoat and the chain stay central siphon are restive, tight press-fit difficulty, loose can make cushion collar at chain stay transverse tube axis direction play, increased the play that whole trailing wheel ties up to chain stay transverse tube axis direction; Must leave the gap between two kinds of mounting structure chain stays and driving engine or the vehicle frame, if the gap is too small, then be difficult to assembling, if excessive clearance, then must make vehicle frame or cushion collar increase deflection, the stress increasing or the cushion collar rubber deformation at vehicle frame chain stay mounting hole place are strengthened and reduction of service life, thereby influence the safety in utilization of car load.
Therefore, need transform the chain stay structure, can avoid installing in the prior art chain stay must make the vehicle frame distortion be difficult to guarantee the problem that the longitudinal center of the driving engine of motor bike overlaps with the longitudinal center of vehicle frame, make the longitudinal center of the driving engine of motor bike in fitting process converges, guarantee to overlap with the longitudinal center of vehicle frame, thereby guarantee the safety and the stability of Finished Motorcycle of motorcycle, prolong the service life of chain stay installation assembly.
The utility model content
In view of this, the utility model provides a kind of chain stay structure, can avoid installing in the prior art chain stay must make the vehicle frame distortion be difficult to guarantee the problem that the longitudinal center of the driving engine of motor bike overlaps with the longitudinal center of vehicle frame, make the longitudinal center of the driving engine of motor bike in fitting process converges, guarantee to overlap with the longitudinal center of vehicle frame, thereby guarantee the safety and the stability of Finished Motorcycle of motorcycle, prolong the service life of chain stay installation assembly.
Chain stay structure of the present utility model, comprise left central siphon, in reaching, right central siphon is placed in the bottom fork axis of left central siphon and right central siphon, described left central siphon and right central siphon are respectively in the driving engine both sides of motor bike and the bottom fork axis driving engine through motor bike, described left central siphon is coated at bottom fork axis by left lining and right central siphon by right lining, left side lining is that reference plane and the axial two ends of left lining are closely against between the left vehicle frame of driving engine and motor bike with the left vehicle frame right side of motor bike, and the longitudinal center's face between the right vehicle frame of the left vehicle frame of motor bike and motor bike is overlapped with the driving engine longitudinal center face of motor bike.
Further, the right-hand member that described bottom fork axis is positioned at right lining forms the shaft shoulder, the bottom fork axis left end passes the left vehicle frame of motor bike and fixes by left clamp nut, the shaft shoulder is tight against the right side of right lining under the effect of left clamp nut, can make chain stay, the left vehicle frame of driving engine and motor bike is firm connects into a single-piece system, compare with prior art constructions, the utility model directly pushes against total system by bottom fork axis, can effectively eliminate the axial assembly clearance of bottom fork axis and can not make the vehicle frame distortion, avoided traditional tension structure to make the drawback of vehicle frame distortion, guarantee the safety and the stability of car load, and this mounting structure can make the right vehicle frame of motor bike and the gap between the chain stay bigger, thereby have good assembling again, be beneficial to and increase work efficiency.
Further, between described left lining cylindrical and the left central siphon by the needle bearing normal-running fit that rolls left; Pass through right needle bearing normal-running fit between described right lining cylindrical and the right central siphon; Owing to adopt above-mentioned mount scheme, do not need compensate for clearance and too much elimination vibration, therefore cancel the rubber bush structure of prior art, adopt the lower needle bearing of friction coefficient, needle bearing has less nominal diameter, is applicable to that chain stay uses, the chain stay of this structure is in up and down reciprocatingly rotating, compare the power of can well reducing friction with prior art constructions, diameter clearance is less, makes car load more comfortable.
Further, the axial two ends of described left central siphon all are provided with the left central siphon packing ring that is coated at left lining and is used to adjust left central siphon endplay, and as shown in the figure, left central siphon packing ring is two; Guarantee chain stay in the gap of bottom fork axis axis direction by left central siphon packing ring, such as, nominal clearance can be controlled in 0.3mm, so chain stay is small in bottom fork axis axial direction shifting amount, guarantees the stability and the safety of car load.
Further, described left lining and right lining are the T shape structure of major part near driving engine longitudinal center face one side, can guarantee between the right vehicle frame of the left vehicle frame of left central siphon and right central siphon and motor bike and motor bike direct friction not to take place, guarantee the resistance to overturning of vehicle frame, thereby guarantee the safety of car load.
Further, the axial two ends of described left central siphon all are provided with deep gouge, described left central siphon packing ring is positioned at deep gouge and its axial width greater than the deep gouge degree of depth, two left central siphon packing rings are positioned at cooresponding deep gouge, be beneficial to the radial deformation of the left central siphon packing ring of constraint, thereby be beneficial to the adjusting play, prolong the service life of left central siphon packing ring simultaneously.
Further, axial both sides of the described needle bearing that rolls left and the axial both sides of right needle bearing are provided with seal ring respectively; The central siphon outside, a left side and the right central siphon outside are provided with the cover of dust that is coated at bottom fork axis respectively, and described cover of dust cylindrical forms disk-like structure to the face side bending of driving engine longitudinal center; Cover of dust and seal ring play dustproof effect preferably jointly, can guarantee the cleanliness level of needle bearing, reduce friction drag, increase the service life.
Further, described right central siphon left side is provided with the right central siphon packing ring that is coated at right lining, can reduce the friction force between right lining major part right side and the right central siphon left side, is beneficial to the service life that increases the two.
Further, the right vehicle frame that described bottom fork axis right-hand member passes motor bike is fastening by right clamp nut, makes whole chain stay installation assembly be linked to be fastening integral body, improves globality and safety are installed.
The invention also discloses a kind of motor bike of using the utility model chain stay structure.
The beneficial effects of the utility model: chain stay structure of the present utility model, adopting the left vehicle frame right side of motor bike is reference plane and the positioning action of utilizing left lining, reduce the endplay of chain stay peace, avoid the end float misalignment in the use, guarantee the stability of chain stay, longitudinal center's face between the right vehicle frame of the left vehicle frame of motor bike and motor bike is overlapped with the driving engine longitudinal center face of motor bike, and in fitting process, can realize centering, avoided installing in the prior art chain stay and must make the vehicle frame distortion be difficult to guarantee the problem that the longitudinal center of the driving engine of motor bike overlaps with the longitudinal center of vehicle frame, thus the safety and the stability of assurance Finished Motorcycle of motorcycle; Owing to do not need in the installation process vehicle frame is implemented deformation force, prolong the service life of vehicle frame and chain stay installation assembly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is Fig. 1 A place enlarged drawing.
The specific embodiment
Fig. 1 is a structural representation of the present invention, Fig. 2 is Fig. 1 A place enlarged drawing, as shown in the figure: the chain stay structure of present embodiment, comprise left central siphon 6, right central siphon 6a and in be placed in the bottom fork axis 11 of left central siphon 6 and right central siphon 6a, certainly, corresponding left leg pipe and the right leg pipe that is provided with of the left central siphon 6 of chain stay and right central siphon 6a, not expression among the figure; Described left central siphon 6 and right central siphon 6a are respectively in driving engine 12 both sides of motor bike and bottom fork axis 11 driving engine 12 through motor bike, described left central siphon 6 is coated at bottom fork axis 11 by left lining 7 and right central siphon 6a by right lining 7a, left side lining 7 is that reference plane and left lining 7 axial two ends are closely against between the left vehicle frame 1 of driving engine 12 and motor bike with left vehicle frame 1 right side of motor bike, and the longitudinal center's face between the right vehicle frame 1a of the left vehicle frame 1 of motor bike and motor bike is overlapped with driving engine 12 longitudinal center's faces of motor bike; About refer to the orientation relative with the right side with the left side of motor bike; Certainly, also can be opposite with this programme, such as: right lining 7a is that reference plane and right lining 7a two ends are closely against between the right vehicle frame 1a of driving engine 12 and motor bike with the right vehicle frame 1a left side of motor bike, longitudinal center's face between the right vehicle frame 1a of the left vehicle frame 1 of motor bike and motor bike is overlapped with driving engine 12 longitudinal center's faces of motor bike, reach identical technique effect, belong to the scheme that is equal to replacement with this programme.
In the present embodiment, the right-hand member that described bottom fork axis 11 is positioned at right lining 7a forms the shaft shoulder 13, and bottom fork axis 11 left ends pass the left vehicle frame 1 of motor bike and fix by left clamp nut 2, and the shaft shoulder 13 is tight against the right side of right lining 7a under the effect of left clamp nut 2.
In the present embodiment, between described left lining 7 cylindricals and the left central siphon 6 by needle bearing 8 normal-running fiies that roll left; Pass through right needle bearing 8a normal-running fit between described right lining 7a cylindrical and the right central siphon 6a; As shown in the figure, for globality and the stability that guarantees this structure, roll left needle bearing 8 and right needle bearing 8a are respectively two groups, are set up in parallel vertically.
In the present embodiment, described left central siphon 6 axial two ends all are provided with the left central siphon packing ring that is coated at left lining 7 and is used to adjust left central siphon 6 endplays, and as shown in the figure, left central siphon packing ring is two, is respectively left central siphon packing ring 4 and left central siphon packing ring 10; Guarantee the gap of chain stay by left central siphon packing ring 4 and left central siphon packing ring 10 at the bottom fork axis axis direction.
In the present embodiment, described left lining 7 and right lining 7a are the T shape structure of major part near driving engine longitudinal center face one side, can guarantee between the right vehicle frame 1a of the left vehicle frame 1 of left central siphon 6 and right central siphon 6a and motor bike and motor bike direct friction not to take place, guarantee the resistance to overturning of vehicle frame, thereby guarantee the safety of car load.
In the present embodiment, described left central siphon 6 axial two ends all are provided with deep gouge, described left central siphon packing ring is positioned at deep gouge and its axial width greater than the deep gouge degree of depth, as shown in the figure, left side central siphon packing ring 4 and left central siphon packing ring 10 are positioned at cooresponding deep gouge, be beneficial to the radial deformation of left central siphon packing ring 4 of constraint and left central siphon packing ring 10, thereby be beneficial to the adjusting play, prolong the service life of left central siphon packing ring simultaneously.
In the present embodiment, described needle bearing 8 axial both sides and the axial both sides of right needle bearing 8a of rolling left are provided with seal ring respectively, as shown in the figure, the axial both sides of the needle bearing 8 that rolls left are provided with seal ring 5 and seal ring 9 respectively, and the axial both sides of right needle bearing 8a are provided with seal ring 5a and seal ring 9a respectively; Left side central siphon 6 arranged outside cover of dusts 3, right central siphon 6a arranged outside cover of dust 3a, the outside is meant for the driving engine longitudinal center face of motor bike; As shown in the figure, left central siphon 6 outsides and the right central siphon 6a outside are provided with the cover of dust that is coated at bottom fork axis respectively, and described cover of dust 3 and cover of dust 3a cylindrical form disk-like structure to the face side bending of driving engine longitudinal center; Cover of dust and seal ring play dustproof effect preferably jointly, can guarantee the cleanliness level of needle bearing, reduce friction drag, increase the service life.
In the present embodiment, described right central siphon 6a left side is provided with the right central siphon packing ring 10a that is coated at right lining 7a, as shown in the figure, right central siphon 6a left side is provided with deep gouge, described right central siphon packing ring 10a is positioned at deep gouge, can reduce the friction force between right lining 7a major part right side and the right central siphon 6a left side, be beneficial to the service life that increases the two.
In the present embodiment, the right vehicle frame 1a that described bottom fork axis 11 right-hand members pass motor bike is fastening by right clamp nut 14, and just bottom fork axis 11 right-hand members are provided with outside thread, and right clamp nut 14 is spun on the outside thread it is fastening; Make whole chain stay installation assembly be linked to be fastening integral body, improve globality and safety are installed.
The invention also discloses a kind of motor bike of using the utility model chain stay structure, the chain stay structure of present embodiment is installed on the motor bike of prior art, increases safety, the stability of motor bike, and can prolong the service life of associated components.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. chain stay structure, comprise left central siphon, in reaching, right central siphon is placed in the bottom fork axis of left central siphon and right central siphon, described left central siphon and right central siphon are respectively in the driving engine both sides of motor bike and the bottom fork axis driving engine through motor bike, it is characterized in that: described left central siphon is coated at bottom fork axis by left lining and right central siphon by right lining, left side lining is that reference plane and the axial two ends of left lining are closely against between the left vehicle frame of driving engine and motor bike with the left vehicle frame right side of motor bike, and the longitudinal center's face between the right vehicle frame of the left vehicle frame of motor bike and motor bike is overlapped with the driving engine longitudinal center face of motor bike.
2. chain stay structure according to claim 1, it is characterized in that: the right-hand member that described bottom fork axis is positioned at right lining forms the shaft shoulder, the bottom fork axis left end passes the left vehicle frame of motor bike and fixes by left clamp nut, and the shaft shoulder is tight against the right side of right lining under the effect of left clamp nut.
3. chain stay structure according to claim 2 is characterized in that: between described left lining cylindrical and the left central siphon by the needle bearing normal-running fit that rolls left; Pass through right needle bearing normal-running fit between described right lining cylindrical and the right central siphon.
4. chain stay structure according to claim 3 is characterized in that: the axial two ends of described left central siphon all are provided with the left central siphon packing ring that is coated at left lining and is used to adjust left central siphon endplay.
5. chain stay structure according to claim 4 is characterized in that: described left lining and right lining are the T shape structure of major part near driving engine longitudinal center face one side.
6. chain stay structure according to claim 5 is characterized in that: the axial two ends of described left central siphon all are provided with deep gouge, and described left central siphon packing ring is positioned at deep gouge and its axial width greater than the deep gouge degree of depth.
7. chain stay structure according to claim 6 is characterized in that: axial both sides of the described needle bearing that rolls left and the axial both sides of right needle bearing are provided with seal ring respectively; The central siphon outside, a left side and the right central siphon outside are provided with the cover of dust that is coated at bottom fork axis respectively, and described cover of dust cylindrical forms disk-like structure to the face side bending of driving engine longitudinal center.
8. chain stay structure according to claim 7 is characterized in that: described right central siphon left side is provided with the right central siphon packing ring that is coated at right lining.
9. chain stay structure according to claim 8 is characterized in that: the right vehicle frame that described bottom fork axis right-hand member passes motor bike is fastening by right clamp nut.
10. an application rights requires the motor bike of the described chain stay structure of 1 to 7 arbitrary claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206531798U CN201923267U (en) | 2010-12-10 | 2010-12-10 | Bottom fork structure and motorcycle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206531798U CN201923267U (en) | 2010-12-10 | 2010-12-10 | Bottom fork structure and motorcycle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201923267U true CN201923267U (en) | 2011-08-10 |
Family
ID=44427133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206531798U Expired - Lifetime CN201923267U (en) | 2010-12-10 | 2010-12-10 | Bottom fork structure and motorcycle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201923267U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019990A (en) * | 2010-12-10 | 2011-04-20 | 重庆隆鑫机车有限公司 | Motorcycle bottom fork mounting assembly and motorcycle thereof |
| CN112324789A (en) * | 2020-11-02 | 2021-02-05 | 浙江春风动力股份有限公司 | Rear axle structure and mounting method |
-
2010
- 2010-12-10 CN CN2010206531798U patent/CN201923267U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019990A (en) * | 2010-12-10 | 2011-04-20 | 重庆隆鑫机车有限公司 | Motorcycle bottom fork mounting assembly and motorcycle thereof |
| CN102019990B (en) * | 2010-12-10 | 2013-05-15 | 重庆隆鑫机车有限公司 | Motorcycle bottom fork mounting assembly and motorcycle thereof |
| CN112324789A (en) * | 2020-11-02 | 2021-02-05 | 浙江春风动力股份有限公司 | Rear axle structure and mounting method |
| CN112324789B (en) * | 2020-11-02 | 2022-02-18 | 浙江春风动力股份有限公司 | Rear axle structure and mounting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102019990B (en) | Motorcycle bottom fork mounting assembly and motorcycle thereof | |
| CN201923267U (en) | Bottom fork structure and motorcycle with same | |
| CN106364617B (en) | Bottom fork structure of motorcycle | |
| CN104608821A (en) | Auxiliary-frame installation assembly | |
| CN203157648U (en) | Balanced suspension system using cone-shaped rubber bearings | |
| CN203418950U (en) | Automobile stabilizer bar assembly with self-fixing linings | |
| CN205619527U (en) | Air conditioner and connection structure of drive shaft and aviation baffle thereof | |
| CN101423096B (en) | Vehicle automatic correction brake co-axial combined bottom fork | |
| CN209650039U (en) | Vehicle and its driving-shaft assembly | |
| CN202557692U (en) | Rear fork of electric vehicle | |
| CN203528243U (en) | End part connecting structure of transverse stabilizer bar of car | |
| CN203211038U (en) | Car cantilever of high-strength rubber bushing | |
| CN202144179U (en) | Wheel set device | |
| WO2020012915A1 (en) | Shock absorber support device and suspension device | |
| CN201703212U (en) | Walking tractor transformed transport unit intermediate connecting structure | |
| CN113386548B (en) | Engine supporting beam assembly | |
| CN204399282U (en) | A kind of subframe installation assembly | |
| CN203623773U (en) | Forklift steering axle mounting support seat | |
| CN220996633U (en) | Bottom fork assembly with wheel locking structure | |
| CN205706001U (en) | Semifloating axle shaft and driven cylindrical gear portal drive axle wheel limit structure integrally | |
| CN210063108U (en) | Knuckle assembly with blind hole at one end | |
| CN204623150U (en) | A kind of bracing or strutting arrangement of propeller-shaft | |
| CN204222830U (en) | Automobile and plate disc brake Automobile drive back axle assembly thereof | |
| CN207208321U (en) | Bottom fork structure afterwards | |
| CN202163271U (en) | Disconnected balance shaft suspension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20130515 |
|
| RGAV | Abandon patent right to avoid regrant |