CN203347866U - Motorcycle engine - Google Patents
Motorcycle engine Download PDFInfo
- Publication number
- CN203347866U CN203347866U CN 201320356468 CN201320356468U CN203347866U CN 203347866 U CN203347866 U CN 203347866U CN 201320356468 CN201320356468 CN 201320356468 CN 201320356468 U CN201320356468 U CN 201320356468U CN 203347866 U CN203347866 U CN 203347866U
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- China
- Prior art keywords
- bent axle
- balance
- crankcase
- camshaft
- 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.)
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Abstract
The utility model discloses a motorcycle engine which comprises a crankcase, a crank shaft and connecting rod assembly, a balance shaft assembly, a cam shaft, air valve rocker shafts and a transmission device. The cam shaft is arranged on a seat body above a cylinder body, a rocker cam is arranged on the cam shaft, the axis of the cam shaft is parallel to the rotation axis of the crank shaft, the air valve rocker shafts are arranged on the two sides of the cam shaft, each air valve rocker shaft is connected with an air valve rocker in a sleeved mode, each air valve rocker is provided with an idler wheel, the idler wheels are in matched rotation with the rocker cam, and the transmission device is connected to the crank shaft and the air valve rocker shafts. The motorcycle engine has the advantages of being compact in structure, stable in transmission, good in heat radiating performance and low in noise, saving energy and reducing emission, and is a product which is excellent in technical character.
Description
[technical field]
The utility model relates to a kind of motorcycle engine.
[background technique]
According to investigations, existing because motorcycle engine is roughly divided two large classes, its characteristics are respectively:
1, push rod machine: advantage: price is lower.Shortcoming: vibration is large, and noise is large, and exhaust contaminant
High.
2, chain making machine: advantage: vibrate littlely, noise is lower.Shortcoming: price is higher, exhaust pollution
Thing is higher.
In order to overcome above-mentioned defect, we have developed a kind of motorcycle engine again.
[model utility content]
In order to overcome the deficiency of background technique, the purpose of this utility model is to provide a kind of motorcycle engine, and it can solve the problems such as vibration is large, noise is large, exhaust contaminant is high effectively; It has compact structure, and transmission is stable, perfect heat-dissipating, and noise is little, and energy-saving and emission-reduction and moderate characteristics, be a kind of technical superior product.
The utility model will solve the technological scheme that its technical problem adopts: a kind of motorcycle engine, and it comprises:
Crankcase, it comprises left crankcase and right crankcase, after described left crankcase and right crankcase assembling, forms cavity;
The crankshaft-and-connecting-rod assembly, described bent axle is socketed on connecting rod, and described bent axle is arranged in described cavity;
Balance shaft module, the side that it is positioned at described cavity and is located at described bent axle, and with described bent axle interoperation;
Cylinder body, the built-in piston body of described cylinder body, it is reciprocating to drive described bent axle in described cylinder body that described piston body connects described connecting rod;
Camshaft, be arranged on the pedestal of top of described cylinder body, and described camshaft is provided with rocker cam, and the axis parallel of described camshaft is in described bent axle center of rotation;
Valve lever pin, be arranged at described camshaft both sides, and described valve lever pin is socketed with valve rocker, and described valve rocker is provided with roller, and described roller coordinates rotation with described rocker cam, with air inlet or the exhaust that realizes air valve;
Transmission device, be connected in described bent axle and described camshaft, and described bent axle offers described camshaft by means of described transmission device transferring power and after changing rotating speed.
As preferred version of the present utility model, the described transmission device that turns comprises the timing drive sprocket that is arranged on described bent axle, is arranged at the timing driven sprocket on described camshaft, is wound on the drive chain of described timing drive sprocket and timing driven sprocket; Be provided with chain slide and chain tension plate in the outside of described drive chain.
As preferred version of the present utility model, it is characterized in that: described balance shaft module comprises the balance axis body, the dismantled and assembled balance driven gear that is assembled in described balance axis body, be socketed with bearing on the axle journal of the two ends of described balance axis body, described bearing is individually fixed on left crankcase and right crankcase; Be provided with the balance driving gear on described bent axle, described balance driving gear and the engagement of described balance driven gear, so that described bent axle drives described balance axis body rotation.
As preferred version of the present utility model, described balance axis body is provided with equilibrium block, and described equilibrium block and described balance driven gear are spaced;
The shape of cross section semicircular in shape of described equilibrium block, the first crank arm and the second crank arm that the gap, middle part of described bent axle arranges;
During described balance axis body running, described equilibrium block is between described the first crank arm and the second crank arm.
As preferred version of the present utility model, described left crankcase and right crankcase, independently be cast as integrative-structure by the aluminum or aluminum alloy material separately.
As preferred version of the present utility model, on described right crankcase, be provided with oil-spraying cooling device; Described oil-spraying cooling device comprises is located at jet inboard on described right crankcase, and the through hole that is extended to the described right crankcase outside by described jet, is located at sweeping Oil Guide road, the described right crankcase outside.
As preferred version of the present utility model, a side of described bent axle connects the flywheel body, and described wheel body is provided with lug boss.
As preferred version of the present utility model, described pedestal is fixed on described crankcase by screw bolt and nut.
As preferred version of the present utility model, the velocity ratio 2:1 of described timing drive sprocket and described timing driven sprocket.
The utility model is compared produced beneficial effect with background technique:
The utility model has adopted above-mentioned technological scheme, and it can solve the problems such as vibration is large, noise is large, exhaust contaminant is high effectively; It has compact structure, and transmission is stable, perfect heat-dissipating, and noise is little, and energy-saving and emission-reduction and moderate characteristics, be a kind of technical superior product.
[accompanying drawing explanation]
The perspective view of the motorcycle engine that Fig. 1 is the utility model embodiment;
Perspective view under another visual angle of the motorcycle engine that Fig. 2 is the utility model embodiment;
The perspective view of the motorcycle engine inside that Fig. 3 is the utility model embodiment;
The A place enlarged view that Fig. 4 is Fig. 3;
The structural representation at another visual angle that Fig. 5 is Fig. 3;
Fig. 6 is C place enlarged view in Fig. 5;
The structural representation at another visual angle that Fig. 7 is Fig. 3;
Fig. 8 is D place enlarged view in Fig. 7;
The composite structure schematic diagram of the bent axle that Fig. 9 is the utility model embodiment and trunnion shaft;
The structural representation of the outer side surface of the left bent axle that Figure 10 is the utility model embodiment;
The structural representation of the interior outer side surface of the left bent axle that Figure 11 is the utility model embodiment;
The structural representation of the outer side surface of the left bent axle that Figure 12 is the utility model embodiment;
The structural representation of the inner side surface of the left bent axle that Figure 13 is the utility model embodiment;
The B place enlarged view that Figure 14 is Figure 13.
[embodiment]
In specification, the explanation of all direction, as the noun of locality such as upper and lower, inside and outside, left and right; Narrated and helped reader understanding's the utility model for more convenient, rather than restriction the utility model, the restriction that particularly can not apply the utility model position, orientation, because if narration conversely, position, orientation also will be contrary.
In specification, the making material of left and right crankcases is not done special restriction, but, for cost-saving, raising yield rate, preferably adopts the aluminum or aluminum alloy material to form by die casting.
In specification, the size of each parts is not done special restriction, can carry out according to actual needs suitable adjustment.
Below in conjunction with accompanying drawing, by embodiment of the present utility model is further described, make the technical solution of the utility model and beneficial effect thereof clearer, clear and definite.
Refer to shown in Fig. 1-14, preferred embodiment provided by the utility model is a kind of motorcycle engine 100, and it comprises:
Crankcase 1, it comprises left crankcase 11 and right crankcase 12, after described left crankcase 11 and left crankcase 12 assemblings, forms cavity 13;
Crankshaft-and-connecting-rod assembly 2, bent axle 21 is socketed on connecting rod 22, and described bent axle 21 is arranged in described cavity 13;
Camshaft 5, be arranged on the pedestal 6 of top of described cylinder body 4, and described camshaft 5 is provided with rocker cam 51, and the axis parallel of described camshaft 5 is in described bent axle 21 center of rotation;
Valve lever pin 7, be arranged at described camshaft 5 both sides, described valve lever pin 7 is socketed with valve rocker 8, and described valve rocker 8 is provided with roller 81 and air valve 82, described roller 81 coordinates rotation with described rocker cam 51, with air inlet or the exhaust that realizes air valve 82;
Transmission device 9, be connected in described bent axle 21 and described valve pendulum rocker axle 7, and described bent axle offers described camshaft 5 by means of described after turning transmission device 9 transferring power and changing rotating speed.
Preferably, as shown in Fig. 3-8, slewing gear 9 comprises the timing drive sprocket 91 be arranged on described bent axle 21, is arranged at the timing driven sprocket 92 on described camshaft 5, is wound on the drive chain 93 of described timing drive sprocket 91 and timing driven sprocket 92; Be provided with chain slide 94 and chain tension plate 95 in the outside of described drive chain 93.
Preferably, as shown in Figure 3 and Figure 9, balance shaft module 3 comprises balance axis body 31, the dismantled and assembled balance driven gear 32 that is assembled in described balance axis body 31, be socketed with bearing 33 on the axle journal of the two ends of described balance axis body 31, described bearing 33 is individually fixed on left crankcase 11 bodies and right crankcase 12; Be provided with balance driving wheel 23 on described bent axle 21, described balance driving wheel 23 and described balance driven gear 32 engagements, so that described bent axle 21 drives described balance axis body 31 rotations.Described balance axis body 31 is provided with equilibrium block 33, and described equilibrium block 33 is spaced with described balance driven gear 32; The shape of cross section semicircular in shape of described equilibrium block 33; The first crank arm 24 and the second crank arm 25 that the gap, middle part of described bent axle 21 arranges; During described trunnion shaft 31 body running, described equilibrium block 33 is between described the first crank arm and 24 second crank arms 25.
Preferably, as shown in Figure 10-14, left crankcase 11 and right crankcase 12, independently be cast as integrative-structure by the aluminum or aluminum alloy material separately.Described left crankcase 11 is provided with for supporting the left machining crankshaft bearing borehole 111 of described bent axle 21, described left machining crankshaft bearing borehole 111 1 sides for placing the left bearing hole 112 of equalizer bearing, described right crankcase 12, corresponding described left crankcase 11 is provided with right machining crankshaft bearing borehole 121, right bearing hole 125.Be provided with oil-spraying cooling device 120 on described right crankcase 12; Described oil-spraying cooling device 120 comprise be located on described right crankcase 12 in jet 122, and the through hole 123 that is extended to described right crankcase 12 outsides by described jet 122, be located at described right crankcase 12 sweeping Oil Guide roads, the outside 124.
Preferably, as shown in Fig. 3 to Fig. 7, a side of bent axle 21 connects flywheel body 10, and described wheel body is provided with lug boss 101.
Preferably, as shown in Fig. 3 to Fig. 7, described pedestal 6 is fixed on described crankcase 1 by screwing tight of bolt 61 and nut 62.
Preferably, as shown in Fig. 3 to Fig. 7, the gear ratio of the number of teeth of described timing drive sprocket 91 and described timing driven sprocket 92 is: 1:2.
Comprehensive foregoing and working procedure and the principle of starting being described in further detail in conjunction with institute's drawings attached:
During work, piston body 41 is in cylinder body 4 to-and-fro motion, drivening rod 22 and bent axle 21, described bent axle 21 timings are rotated, assembling balance driving gear 23 on bent axle 21, the balance driven gear 32 of balance axis body 31 is socketed with bearing 33 on the axle journal of the two ends of described balance axis body 31, and described bearing 33 is individually fixed on left crankcase 11 bodies and right crankcase 12; Be provided with balance driving gear 23 on described bent axle 21, described balance driving gear 23 and described balance driven gear 32 engagements, so that described bent axle 21 drives described balance axis body 31 rotations; Like this, in balance shaft module 3 and bent axle 21 timing rotation processes, during reciprocal inertia force that the rotating inertia force produced when bent axle 21 and piston reciprocating power produce, the rotatory inertia that balance shaft module 3 produces in contrast.
Solve further the beat noise that push rod when running produces, be provided with timing drive sprocket 91 on bent axle 21, the timing driven sprocket 92 on described camshaft 7, be wound on the drive chain 93 of described timing drive sprocket 91 and timing driven sprocket 92; The outside of drive chain 93 is provided with chain slide 94 and chain tension plate 95.The chain driving belt pitman arm shaft 7 of taking offence like this, valve lever pin 7 is fixed on pedestal 6, and pedestal 6 is fixed on described crankcase 1 by screwing tight of bolt 61 and nut 62, and means of fixation makes pedestal 6 more firm like this, is not easy to occur vibration.And valve lever pin 7 is arranged at described camshaft 5 both sides, described valve lever pin 7 is socketed with valve rocker 8, and described valve rocker 8 is provided with roller 81 and air valve 82, and described roller 81 coordinates rotation with described rocker cam 51.In whole transmission process, bent axle 21 spreads out of power to drive camshaft 5 by transmission device 9, then by the rotation of rocker cam 51, the air inlet or the exhaust that coordinate to realize air valve 82 with roller 81 activities, supported due to rocker cam 51.The transmission of the effective solution of such kind of drive original stock top cam structure is unstable, the problem that noise is large, and bring the transmission high efficiency, and good stability, noise has also reduced, and has also effectively saved the loss of energy.
More further solving the problem of engine cooling, produce heat during engine operation, is mainly that piston body 41 passes to cylinder body 4 and reaches the heat radiation purpose, now piston body 41 head temperature extra-high-speeds.For addressing this problem, the utility model is on existing technical foundation, carry out necessary improvement: by left crankcase 11 and right crankcase 12, independently by the aluminum or aluminum alloy material, be cast as integrative-structure separately, the aluminium material good heat-transfer, intensity is high, during manufacture, can adopt die casting to form, cost is low, and yield rate is high, technique is also comparatively simple, effectively solves material cost and process costs are arranged.The concrete global design that coordinates motor, left crankcase 11 is provided with the left axis hole 111 of song for supporting described bent axle 21, left axis hole 111 1 sides of described song for placing the left receiving hole 112 of equalizer bearing, described right crankcase 12, corresponding described left crankcase 11 is provided with right axis hole 121, right bearing hole 125, is provided with oil-spraying cooling device 120 on right crankcase 12, described oil-spraying cooling device 120 comprises is located at jet 122 inboard on described right crankcase 12, and the through hole 123 that is extended to described right crankcase 12 outsides by described jet 122, be located at described right crankcase 12 sweeping Oil Guide roads, the outside 124, Oil Guide road 124 is located on right crankcase 12, cold oil is through jet 122 inboard on right crankcase 12, to piston body 41 and cylinder body 4 spray cold oils, cold oil absorbs heat makes piston body 41 and the frictional force of the wall of cylinder body 4 diminish simultaneously, reduce heat generation, like this, thermal source produces and reduces, the heat absorption approach increases, effectively reduce the temperature in body, ensure normal working of engine.
Further solve the anti-reverse induction problem of motor, at a side connection flywheel body 10 of bent axle 21, described wheel body is provided with lug boss 101.Owing to increasing, there is lug boss 101 to make the induction installation (not shown), the rotation information of easier induction wheel body 10.The appearance of moving with the reversion that more effectively prevents motor.
Description by said structure; the person of ordinary skill in the field is to be understood that; the utility model is not limited to above-mentioned embodiment; adopt the improvement of techniques well known and substitute on the utility model basis and all drop on protection domain of the present utility model, should be limited by each claim.
Claims (9)
1. a motorcycle engine, is characterized in that, it comprises:
Crankcase, it comprises left crankcase and right crankcase, after described left crankcase and right crankcase assembling, forms cavity;
The crankshaft-and-connecting-rod assembly, described bent axle is socketed on connecting rod, and described bent axle is arranged in described cavity;
Balance shaft module, the side that it is positioned at described cavity and is located at described bent axle, and with described bent axle interoperation;
Cylinder body, the built-in piston body of described cylinder body, it is reciprocating to drive described bent axle in described cylinder body that described piston body connects described connecting rod;
Camshaft, be arranged on the pedestal of top of described cylinder body, and described camshaft is provided with rocker cam, and the axis parallel of described camshaft is in described bent axle center of rotation;
Valve lever pin, be arranged at described camshaft both sides, and described valve lever pin is socketed with valve rocker, and described valve rocker is provided with roller, and described roller coordinates rotation with described rocker cam, with air inlet or the exhaust that realizes air valve;
Transmission device, be connected in described bent axle and described camshaft, and described bent axle offers described camshaft by means of described transmission device transferring power and after changing rotating speed.
2. motorcycle engine according to claim 1, it is characterized in that: described transmission device comprises the timing drive sprocket that is arranged on described bent axle, is arranged at the timing driven sprocket on described camshaft, is wound on the drive chain of described timing drive sprocket and timing driven sprocket; Be provided with chain slide and chain tension plate in the outside of described drive chain.
3. motorcycle engine according to claim 1 and 2, it is characterized in that: described balance shaft module comprises the balance axis body, the dismantled and assembled balance driven gear that is assembled in described balance axis body, be socketed with bearing on the axle journal of the two ends of described balance axis body, described bearing is individually fixed on left crankcase and right crankcase; Be provided with the balance driving wheel on described bent axle, described balance driving wheel and the engagement of described balance driven gear, so that described bent axle drives described balance axis body rotation.
4. motorcycle engine according to claim 3, it is characterized in that: described balance axis body is provided with equilibrium block, and described equilibrium block and described balance driven gear are spaced;
The shape of cross section semicircular in shape of described equilibrium block, the first crank arm and the second crank arm that the gap, middle part of described bent axle arranges;
During described balance axis body running, described equilibrium block is between described the first crank arm and the second crank arm.
5. according to claim 1 or 2 or 4 described motorcycle engines, it is characterized in that: described left crankcase and right crankcase independently are cast as integrative-structure by the aluminum or aluminum alloy material separately.
6. motorcycle engine according to claim 5, is characterized in that: on described right crankcase, be provided with oil-spraying cooling device; Described oil-spraying cooling device comprises is located at jet inboard on described right crankcase, and the through hole that is extended to the described right crankcase outside by described jet, is located at sweeping Oil Guide road, the described right crankcase outside.
7. according to claim 1 or 2 or 4 or 6 described motorcycle engines, it is characterized in that: a side of described bent axle connects the flywheel body, and described wheel body is provided with lug boss.
8. motorcycle engine according to claim 7 is characterized in that: described pedestal by screw bolt and nut screw tight be fixed on described crankcase.
9. motorcycle engine according to claim 2, it is characterized in that: the velocity ratio of described timing drive sprocket and described timing driven sprocket is 2: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320356468 CN203347866U (en) | 2013-06-19 | 2013-06-19 | Motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320356468 CN203347866U (en) | 2013-06-19 | 2013-06-19 | Motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347866U true CN203347866U (en) | 2013-12-18 |
Family
ID=49747776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320356468 Expired - Lifetime CN203347866U (en) | 2013-06-19 | 2013-06-19 | Motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203347866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352757A (en) * | 2013-06-19 | 2013-10-16 | 简兆华 | Motorcycle engine |
-
2013
- 2013-06-19 CN CN 201320356468 patent/CN203347866U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352757A (en) * | 2013-06-19 | 2013-10-16 | 简兆华 | Motorcycle engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151104 Address after: 519000 Guangdong city of Zhuhai province Jinwan District Shuanglin area north venture Hong Kong joint Lin Industrial Zone No. 1 Patentee after: ZHUHAI ZHUJIANG VEHICLE CO.,LTD. Address before: 502 room 3, building 1008, 519000 Renmin West Road, Xiangzhou District, Guangdong, Zhuhai Patentee before: Jian Zhaohua |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |