CN104843135A - Motorcycle engine front suspension structure - Google Patents
Motorcycle engine front suspension structure Download PDFInfo
- Publication number
- CN104843135A CN104843135A CN201510236909.1A CN201510236909A CN104843135A CN 104843135 A CN104843135 A CN 104843135A CN 201510236909 A CN201510236909 A CN 201510236909A CN 104843135 A CN104843135 A CN 104843135A
- Authority
- CN
- China
- Prior art keywords
- suspension plate
- inner covering
- external bushing
- plate
- motorcycle engine
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The invention discloses a motorcycle engine front suspension structure which comprises a lower suspension tube arranged at the front portion of a frame. The lower portion of the lower suspension tube is connected with a front suspension plate, the front suspension plate is fixedly connected with an engine and is provided with an outer lining, an inner lining capable of rotating relative to the outer lining is assembled in the outer lining, a moving member capable of moving with respect to the inner lining is arranged between the outer lining and the inner lining, and the inner lining is fixed to the lower suspension tube through a first bolt. Due to the fact that the outer lining and the inner lining can rotate relatively, namely the outer lining and the inner lining form clearance fit, vibration transferred from the outer lining to the inner lining can be effectively eliminated, accordingly frame vibration is reduced, and vibration noise is reduced. In addition, the moving member arranged between the outer lining and the inner lining transfers the vibration of the outer lining to the inner lining, plays a rigid supporting role, can absorb the vibration and convert the vibration into energy moving with respect to the inner lining and further reduce vibration transferred to the frame.
Description
Technical field
The present invention relates to the design and optimization of motorcycle part, specifically to the improvement of the engine front overhang hanging hang structure of riding-type motorcycle.
Background technology
The installation of current riding type motorcycle engine adopts front and back end all rigidly connected structures with vehicle frame, referring to figs. 1 through Fig. 3, the rear end of driving engine 2 ' is rigidly connected with vehicle frame by two the first bolts 41 ', front end is installed on the drop-pipe 1 ' of vehicle frame by front overhang link plate 3 ', front overhang link plate 3 ' is stamping forming U-board part, the front end of front overhang link plate 3 ' is rigidly connected with drop-pipe 1 ' by two the second bolts 42 ', and rear end is rigidly connected with driving engine 2 ' by two the 3rd bolts 43 '.Because driving engine 2 ' produces moment when doing work by the crank motion of piston, although driving engine 2 ' has configured crankshaft balance weight to balance, but cannot avoid producing due to the unequal reason of crankshaft counterbalance during volume production and vibrate and pass to vehicle frame, produce noise simultaneously, bring discomfort to rider.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of front suspending structure of motorcycle engine, it effectively can alleviate the vibration of vehicle frame, and effectively reduces vibrating noise.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of front suspending structure of motorcycle engine, comprise the drop-pipe being located at vehicle frame front portion, drop-pipe bottom is connected with front overhang link plate, front overhang link plate is fixedly connected with driving engine, described front overhang link plate is provided with external bushing, be assembled with the inner covering that can rotate to it in external bushing, described external bushing is be provided with between inner covering can the movable part of relative inner covering activity, and described inner covering is fixed by the first bolt and drop-pipe.
As the improvement of technique scheme, between described external bushing and inner covering, be respectively equipped with inboard oil sealing and outer side seal at movable part along the both sides on inner covering axis direction.
As the further improvement of technique scheme, described inner covering extends to form to external bushing near one end of drop-pipe and carries out protecting and spacing outer convex edge to inboard oil sealing.
Further, described outer side seal peripheral hardware has and carries out protecting and spacing dust boot to it, and the position that described dust boot is corresponding with inner covering endoporus offers the axis hole that confession the first bolt passes.
Further, all sides of described dust boot have extended to form extension along the axial liner outer wall outwardly of external bushing, are provided with cover body oil sealing between described extension and external bushing.
Further, thrust washer is provided with between described dust boot and inner covering.
Further, described movable part is the slide bushing of movable set on inner covering.
As a kind of embodiment, described front overhang link plate comprises left suspension plate, right suspension plate and connecting rod, left suspension plate and right suspension plate are equipped with slotted eye, the two ends of described connecting rod to be inserted respectively in slotted eye and are welded and fixed, described left suspension plate and right suspension plate are provided with described external bushing in corresponding position, and described drop-pipe is provided with the body shaft sleeve between left suspension plate and right suspension plate.
As another kind of embodiment, described front overhang link plate is the U-shaped component of integral type, the intermediate plate comprising left suspension plate, right suspension plate and be located between left suspension plate and right suspension plate, described left suspension plate and right suspension plate are provided with described external bushing in corresponding position, and described drop-pipe is provided with the body shaft sleeve between left suspension plate and right suspension plate.
Further, described front overhang link plate is provided with link plate axle sleeve, and described link plate axle sleeve is fixedly connected with driving engine by the second bolt.
The invention has the beneficial effects as follows: the present invention by arranging external bushing on front overhang link plate, the inner covering that can rotate to it is assembled in external bushing, inner covering is fixed by the first bolt and drop-pipe, when the engine is running, the vibration passing that motor body produces is to the external bushing of front overhang link plate, owing to can relatively rotate between external bushing and inner covering, namely free-running fit is formed between the two, effectively can eliminate the vibration that external bushing passes to inner covering, thus alleviate the vibration of vehicle frame, and reduce vibrating noise; Be provided with movable part between external bushing and inner covering simultaneously, movable part by the vibration passing of external bushing to inner covering, play rigid support effect, and Absorbable rod vibration is converted into self energy relative to inner covering activity, further mitigate the vibration passing to vehicle frame, and effectively cushioned the shock between external bushing and inner covering, extend service life of the present invention.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the suspended structure of existing motor cycle engine;
Fig. 2 is the cutaway view omitting section A-A place after driving engine in Fig. 1;
Fig. 3 is the cutaway view at B-B place, Fig. 1 middle section;
Fig. 4 is the schematic perspective view of the embodiment of the present invention 1 mounting structure;
Fig. 5 is the schematic perspective view of the front overhang link plate in the embodiment of the present invention 1;
Fig. 6 is the front view of the embodiment of the present invention 1 mounting structure;
Fig. 7 is the cutaway view at C-C place, Fig. 6 middle section;
Fig. 8 is the partial enlarged drawing of A in Fig. 7;
Fig. 9 is the cutaway view at D-D place, Fig. 6 middle section;
Figure 10 is the decomposing state schematic diagram of the embodiment of the present invention 1 mounting structure;
Figure 11 is the schematic perspective view of the embodiment of the present invention 2 mounting structure;
Figure 12 is the schematic perspective view of the front overhang link plate in the embodiment of the present invention 2.
Detailed description of the invention
With reference to Fig. 4 to Figure 12, a kind of front suspending structure of motorcycle engine of the present invention, it is located at the drop-pipe 1 of vehicle frame front portion, drop-pipe 1 bottom is connected with front overhang link plate 3, front overhang link plate 3 is fixedly connected with driving engine 2, and described front overhang link plate 3 is provided with external bushing 33, is assembled with the inner covering 41 that can rotate to it in external bushing 33, described external bushing 33 is be provided with between inner covering 41 can the movable part 42 of relative inner covering 41 activity, and described inner covering 41 is fixed by the first bolt 61 and drop-pipe 1.The present invention can rotate relative to inner covering 41 due to external bushing 33, namely forms free-running fit between the two, effectively can eliminate the vibration that external bushing 33 passes to inner covering 41, thus effectively alleviates the vibration that driving engine 2 passes to vehicle frame, and reduces vibrating noise; Be provided with movable part 42 between external bushing 33 and inner covering 41 simultaneously, movable part 42 by the vibration passing of external bushing 33 to inner covering 41, play rigid support effect, and Absorbable rod vibration is converted into self energy relative to inner covering 41 activity, further mitigate the vibration passing to vehicle frame, and the shock effectively cushioned between external bushing 33 and inner covering 41, extend service life of the present invention.
Embodiment 1
With reference to Fig. 4 to Figure 10, described front overhang link plate 3 comprises left suspension plate 31a, right suspension plate 31b and connecting rod 32, and left suspension plate 31a and right suspension plate 31b is equipped with slotted eye 310, and the two ends of described connecting rod 32 to be inserted respectively in slotted eye 310 and are welded and fixed.Preferably, described slotted eye 310 has opening, and facilitate connecting rod 32 to insert in slotted eye 310 and weld, fabrication properties is good, slotted eye 310 can be laid in the edge of left suspension plate 31a or right suspension plate 31b simultaneously, is conducive to the volume reducing front overhang link plate 3.Described left suspension plate 31a and right suspension plate 31b is provided with described external bushing 33 in corresponding position, described drop-pipe 1 is provided with the body shaft sleeve 11 between left suspension plate 31a and right suspension plate 31b.At this, described body shaft sleeve 11 directly can be welded on drop-pipe 1 tail end, or welds with drop-pipe 1 through the perforation on drop-pipe 1 again.In said structure, left suspension plate 31a and right suspension plate 31b is assembled in the both sides of body shaft sleeve 11 respectively by external bushing 33 and inner covering 41, improve the Joint strenght between front overhang link plate 3 and drop-pipe 1, better support is formed to driving engine 2, be welded and fixed by connecting rod 32 between left suspension plate 31a and right suspension plate 31b simultaneously, greatly strengthen the strength and stiffness of front overhang link plate 3.
With reference to Fig. 8, between described external bushing 33 and inner covering 41, be respectively equipped with inboard oil sealing 43 and outer side seal 44 at movable part 42 along the both sides on inner covering 41 axis direction.Wherein inboard oil sealing 43 refers to the oil sealing near drop-pipe 1, and outer side seal 44 refers to the oil sealing away from drop-pipe 1.Movable part 42 is sealed between external bushing 33 and inner covering 41 by described inboard oil sealing 43 and outer side seal 44, convenient on the contact surface of movable part 42 and external bushing 33 and inner covering 41, apply lubricating oil, prevent oil leakage from volatilizing, reduce the wearing and tearing between movable part 42 and external bushing 33, inner covering 41, by the buffering of oil film, alleviate the vibration passing to vehicle frame further.
Further, described inner covering 41 extends to form to external bushing 33 near one end of drop-pipe 1 and carries out protecting and spacing outer convex edge 411 to inboard oil sealing 43.This structure utilizes the structure of inner covering 41 self to carry out spacing to inboard oil sealing 43, inner covering 41 is in use deviate to prevent inboard oil sealing 43, and protection and dust-proof is carried out to inboard oil sealing 43, between external bushing 33 and inner covering 41, the component protecting inboard oil sealing 43 is installed additional without the need to other, structure is simple, easy for installation.
In order to external side seal 44 carries out spacing, dust-proof and protection, dust boot 51 is provided with outside described outer side seal 44, the position that described dust boot 51 is corresponding with inner covering 41 endoporus offers the axis hole passed for the first bolt 61, first bolt 61, through dust boot 51, inner covering 41 and drop-pipe 1, is fixed by jam nut 62.In order to prevent jam nut 62 from damaging dust boot 51, between described jam nut 62 and dust boot 51, be provided with flat gasket 63.In order to prevent inner covering 41 from axially channeling bit, between described dust boot 51 and inner covering 41, be provided with thrust washer 52.In order to external side seal 44 forms better protection effect, described dust boot 51 weeks sides have axially extended to form extension 511 towards external bushing 33 outer wall along external bushing 33, cover body oil sealing 53 is provided with between described extension 511 and external bushing 33, cover body oil sealing 53 effectively can absorb the vibration of external bushing 33, prevents the vibration of external bushing 33 from passing to drop-pipe 1 by dust boot 51, first bolt 61.
Further, described movable part 42 is the slide bushing of movable set on inner covering 41, its productive costs is low, durable in use, slide bushing material preferably has some strength and rigidity, under various solvent and chemical reagent effect, and the material that under large load and long-time cycling stresses, retention is constant, as POM (polyformaldehyde).Certainly, above-mentioned just preferred embodiment, described movable part 42 also can be activity and is inlaid in ball on inner covering 41 outer wall or needle roller.
With reference to Fig. 4 to Fig. 6, described front overhang link plate 3 is provided with link plate axle sleeve 34, and described link plate axle sleeve 34 is fixedly connected with driving engine 2 by the second bolt 71.Front overhang link plate 3 is connected with driving engine 2 and adopts axle sleeve structure to connect, and the structure that in relative conventional art, bolt is directly fixed, substantially increases the strength and stiffness of front overhang link plate 3, and end face of shaft bush precision more easily controls, convenient for production.In order to strengthen the strength and stiffness of front overhang link plate 3 further, between described link plate axle sleeve 34 and front overhang link plate 3, be provided with reinforced rib 35.
Embodiment 2
With reference to Figure 11 and Figure 12, the difference of itself and embodiment 1 is: described front overhang link plate 3 is the U-shaped component of integral type, the intermediate plate 30 comprising left suspension plate 31a, right suspension plate 31b and be located between left suspension plate 31a and right suspension plate 31b, described left suspension plate 31a and right suspension plate 31b is provided with described external bushing 33 in corresponding position, described drop-pipe 1 is provided with the body shaft sleeve 11 between left suspension plate 31a and right suspension plate 31b.This structure, relative to embodiment 1, simplifies the structure and production process.
Certainly, the present invention, except above-mentioned embodiment, can also have other structural distortion, and these equivalent technical solutions also should within its protection domain.
Claims (10)
1. a front suspending structure of motorcycle engine, comprise the drop-pipe being located at vehicle frame front portion, drop-pipe bottom is connected with front overhang link plate, front overhang link plate is fixedly connected with driving engine, it is characterized in that: described front overhang link plate is provided with external bushing, be assembled with the inner covering that can rotate to it in external bushing, described external bushing is be provided with between inner covering can the movable part of relative inner covering activity, and described inner covering is fixed by the first bolt and drop-pipe.
2. a kind of front suspending structure of motorcycle engine according to claim 1, is characterized in that: between described external bushing and inner covering, is respectively equipped with inboard oil sealing and outer side seal at movable part along the both sides on inner covering axis direction.
3. a kind of front suspending structure of motorcycle engine according to claim 2, is characterized in that: described inner covering extends to form to external bushing near one end of drop-pipe and carries out protecting and spacing outer convex edge to inboard oil sealing.
4. a kind of front suspending structure of motorcycle engine according to Claims 2 or 3, it is characterized in that: described outer side seal peripheral hardware has and carries out protecting and spacing dust boot to it, and the position that described dust boot is corresponding with inner covering endoporus offers the axis hole that confession the first bolt passes.
5. a kind of front suspending structure of motorcycle engine according to claim 4, is characterized in that: all sides of described dust boot have extended to form extension along the axial liner outer wall outwardly of external bushing, are provided with cover body oil sealing between described extension and external bushing.
6. a kind of front suspending structure of motorcycle engine according to claim 4, is characterized in that: be provided with thrust washer between described dust boot and inner covering.
7. a kind of front suspending structure of motorcycle engine according to claim 1, is characterized in that: described movable part is the slide bushing of movable set on inner covering.
8. a kind of front suspending structure of motorcycle engine according to claim 1, it is characterized in that: described front overhang link plate comprises left suspension plate, right suspension plate and connecting rod, left suspension plate and right suspension plate are equipped with slotted eye, the two ends of described connecting rod to be inserted respectively in slotted eye and are welded and fixed, described left suspension plate and right suspension plate are provided with described external bushing in corresponding position, and described drop-pipe is provided with the body shaft sleeve between left suspension plate and right suspension plate.
9. a kind of front suspending structure of motorcycle engine according to claim 1, it is characterized in that: described front overhang link plate is the U-shaped component of integral type, the intermediate plate comprising left suspension plate, right suspension plate and be located between left suspension plate and right suspension plate, described left suspension plate and right suspension plate are provided with described external bushing in corresponding position, and described drop-pipe is provided with the body shaft sleeve between left suspension plate and right suspension plate.
10. a kind of front suspending structure of motorcycle engine according to claim 1, is characterized in that: described front overhang link plate is provided with link plate axle sleeve, and described link plate axle sleeve is fixedly connected with driving engine by the second bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236909.1A CN104843135A (en) | 2015-05-11 | 2015-05-11 | Motorcycle engine front suspension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236909.1A CN104843135A (en) | 2015-05-11 | 2015-05-11 | Motorcycle engine front suspension structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104843135A true CN104843135A (en) | 2015-08-19 |
Family
ID=53843218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510236909.1A Pending CN104843135A (en) | 2015-05-11 | 2015-05-11 | Motorcycle engine front suspension structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104843135A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828746A (en) * | 2017-01-22 | 2017-06-13 | 力帆实业(集团)股份有限公司 | Motorcycle separated vehicle frame |
| CN110329411A (en) * | 2019-08-15 | 2019-10-15 | 浙江春风动力股份有限公司 | A kind of damper mounting base and a kind of motorcycle |
| US11242103B2 (en) * | 2020-05-06 | 2022-02-08 | Lindby Custom, Inc | Foot rest assembly for motorcycles |
| WO2023087178A1 (en) * | 2021-11-17 | 2023-05-25 | 浙江春风动力股份有限公司 | Motorcycle |
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| JPS5715015A (en) * | 1980-06-27 | 1982-01-26 | Yamaha Motor Co Ltd | Suspension structure of engine |
| CN2685653Y (en) * | 2004-03-02 | 2005-03-16 | 重庆力帆实业（集团）有限公司 | Motorcycle engine buffer connecting apparatus |
| CN2858461Y (en) * | 2005-12-21 | 2007-01-17 | 重庆力帆实业（集团）有限公司 | Rear installation frame of motorcycle engine |
| CN2923493Y (en) * | 2006-07-18 | 2007-07-18 | 南京金城机械有限公司 | Rocking-arm type suspension shook-absorbing device of motorcycle engine |
| CN102514472A (en) * | 2011-12-15 | 2012-06-27 | 江门市大长江集团有限公司 | Suspension structure of motorcycle engine |
| CN204659948U (en) * | 2015-05-11 | 2015-09-23 | 江门市大长江集团有限公司 | A kind of front suspending structure of motorcycle engine |
-
2015
- 2015-05-11 CN CN201510236909.1A patent/CN104843135A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5715015A (en) * | 1980-06-27 | 1982-01-26 | Yamaha Motor Co Ltd | Suspension structure of engine |
| CN2685653Y (en) * | 2004-03-02 | 2005-03-16 | 重庆力帆实业（集团）有限公司 | Motorcycle engine buffer connecting apparatus |
| CN2858461Y (en) * | 2005-12-21 | 2007-01-17 | 重庆力帆实业（集团）有限公司 | Rear installation frame of motorcycle engine |
| CN2923493Y (en) * | 2006-07-18 | 2007-07-18 | 南京金城机械有限公司 | Rocking-arm type suspension shook-absorbing device of motorcycle engine |
| CN102514472A (en) * | 2011-12-15 | 2012-06-27 | 江门市大长江集团有限公司 | Suspension structure of motorcycle engine |
| CN204659948U (en) * | 2015-05-11 | 2015-09-23 | 江门市大长江集团有限公司 | A kind of front suspending structure of motorcycle engine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828746A (en) * | 2017-01-22 | 2017-06-13 | 力帆实业(集团)股份有限公司 | Motorcycle separated vehicle frame |
| CN110329411A (en) * | 2019-08-15 | 2019-10-15 | 浙江春风动力股份有限公司 | A kind of damper mounting base and a kind of motorcycle |
| CN110329411B (en) * | 2019-08-15 | 2024-04-12 | 浙江春风动力股份有限公司 | Shock absorber mounting seat and motorcycle |
| US11242103B2 (en) * | 2020-05-06 | 2022-02-08 | Lindby Custom, Inc | Foot rest assembly for motorcycles |
| WO2023087178A1 (en) * | 2021-11-17 | 2023-05-25 | 浙江春风动力股份有限公司 | Motorcycle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |
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| RJ01 | Rejection of invention patent application after publication |