CN2532252Y

CN2532252Y - Integrated engine for tricycle

Info

Publication number: CN2532252Y
Application number: CN 02216225
Authority: CN
Inventors: 胡济荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-19
Filing date: 2002-03-19
Publication date: 2003-01-22
Anticipated expiration: 2012-03-19

Abstract

The utility model discloses an integrated motor tricycle engine which comprises a box body assembly, a piston connecting bar and crankshaft assembly (1), a cylinder body (2), a cylinder head (3), a cam shaft (4), a cylinder head cover (5), a timing chain (32), a start-ignition device and a shift gear. A fan is arranged on the main shaft of the piston connecting bar and crankshaft assembly (1). Two air guide sleeves (9A, 9B) are arranged on the casing of the power part of the box body assembly. An air inlet is arranged on the air guide sleeve (9A) corresponding to the fan (8). Escape holes are arranged on the bottoms of the air guide sleeves (9A, 9B). A reverse gear structure and a differential transmission mechanism in fit with the reverse gear structure are arranged on a shift countershaft (11) of the shift gear. With the adoption of the structure, the utility model has the advantages of good cooling effect, high heating efficiency, all advanced performance indexes, accurate, stable and reliable gear shift, forming circulation gear shifting, flexible and convenient operation, solving the two technical difficulties that the current motor tricycle can not be backed and the back wheels can not achieve differential transmission.

Description

Integrated engine for motorcycle

One, technical field

The utility model relates to a kind of motorcycle engine, particularly a kind of single cylinder, four-stroke engine for motorcycle.

Two, background technique

The existing employed power plant of motor tricycle generally all use the engine modification of two-wheeled motorcycle to form, mainly based on two-stroke or four-stroke nature air swept type motor.But existing two-stroke or four-stroke natural air cooled motor use and mainly contain following disadvantage on the motor tricycle: the one, cooling effect is poor, efficient is low, the body superheat limit performance of its performance; The 2nd, there is not the reverse gear changement, the use of restriction motor tricycle, volume is bigger again for relatively large motor tricycle list dress reverse gear complexity, and influence is installed; The 3rd, there is not differential gear, generally use chain transmission mode, noise is big, the life-span is short, and motor tricycle is turned or Uneven road easily causes overturn accident; The 4th, the requirement of the miniature totally-enclosed luxurious motorcycle of incompatibility and development.

Three, summary of the invention

In order to overcome the disadvantage that existing engine for motorcycle cooling effect is poor, efficient is low, reversing is difficult, easily overturn, the utility model provides a kind of single cylinder, four-stroke, forced air cooling, overhead camshaft, reciprocating piston type, four-speed gear shift and has reverse gear and the integrated engine for motorcycle of differential gear.The invention solves the technological scheme that its technical problem adopts and comprises casing assembly, piston rod crankshaft assembly, cylinder block, cylinder head, camshaft, cowl hood, timing chain, starting ignition device, gear, the line shaft of piston rod crankshaft assembly is provided with fan, on the shell of casing assembly power, be provided with air guide sleeve, be provided with suction port on the air guide sleeve of fan correspondence, the bottom of air guide sleeve is provided with exhaust port.Gear comprises main shaft and top speed change gear, clutch, counter shaft and top speed change gear, shifting cam drum, shift fork and shift transmission shaft group, gear engagement on clutch and the piston rod crankshaft assembly main shaft, shift fork cooperates with speed change gear on main shaft and the counter shaft.Counter shaft is provided with the reverse gear structure, the reverse gear structure comprises countershaft output gear, reverse idler gear, reverse speed fork and reverse gear arm, the countershaft output gear is arranged on the counter shaft and with reverse idler gear and meshes, and the reverse gear arm is connected by reverse speed fork and countershaft output gear.Be provided with differential gear in the casing assembly with the reverse gear respective outer side edges, differential gear comprises right output sleeve, planetary pinion, right bevel gear, left angular wheel, differential cage, gear shaft and left output sleeve, differential gear is connected with reverse idler gear, planetary pinion and left angular wheel are formed the differential structure, differential gear and differential structure engages, left and right bevel gear are connected with left output sleeve, right output sleeve respectively.

After adopting said structure, the effect of generation is obvious, mainly contains: after motor adopts forced air cooling, and good cooling results, heat power efficiency height, every performance index advanced person; Adopt the organic speed changing structure of mechanical gear formula, shift is accurate, stable, reliable, form the circulation gear, flexible and convenient operation, the CTV infinitely variable speed structure that has solved import GY6 h type engine h skids, the phenomenon of shake, belt fracture failure, driven clutch explosion; Solved the technical barrier that existing motor tricycle can not be moveed backward, motor tricycle can freely be advanced or move backward; Solved the technical barrier that the chain of existing motor tricycle back wheels of vehicle transmission or belt can not differentials, it is more steady, more reliable, more accurate to make it transmission.

Four, description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a speed changing structure schematic representation of the present utility model.

Fig. 3 is a starting structure schematic representation of the present utility model.

Fig. 4 is ignition principle figure of the present utility model.

Fig. 5 is a reverse gear structural representation of the present utility model.

Five, embodiment

Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, specific embodiments for the integrated engine for motorcycle of the utility model, it comprises the casing assembly, piston rod crankshaft assembly 1, cylinder block 2, cylinder head 3, camshaft 4, cowl hood 5, timing chain 32, the starting ignition device, gear, hot merit is partly rotated two circle piston reciprocal twice design in cylinder block 2 by the bent axle of four stroke engine Piston and rod assembly 1, finish air inlet, compression, expand, burning promotes the 1 rotation work done of piston rod crankshaft assembly, the working in reciprocating mode of exhaust circulates continuously, make the burning of gasoline combustion gas produce heat energy, by promoting piston, connecting rod, crankshaft rotating produces mechanical work, sees Fig. 1; Carry out accurate high-energy ignition through the ignition mechanism that breakerless magneto 7, electronics C.D.I igniter 27, high pressure packet 28 and spark plug are formed, as shown in Figure 4; Constant-vacuum carburetter (the starting upgraded mechanism of charged hot type) is supplied with reasonable combustion gas, and timing chain 32 drives camshaft 4 reasonable port timings, and efficient expansion working is finished four stroke cycle acting work.Piston rod crankshaft assembly 1 line shaft is provided with fan 8, is provided with

air guide sleeve

9A, 9B on the shell of casing assembly power, is provided with suction port on the air guide sleeve 9A of fan 8 correspondences, and the bottom of

air guide sleeve

9A, 9B is provided with exhaust port; Fan 8 is with the line shaft rotation of Piston and rod assembly 1, provide cooling air quantity with change in rotational speed, inner chamber through

air guide sleeve

9A, 9B composition, cooling blast takes up heat to the outside heat sink cooling of cylinder block 2, cylinder head 3, outlet by

air guide sleeve

9A, 9B bottom is delivered in the atmosphere, guarantees that the hot merit portion temperature is in certain scope.

Gear is fourth gear organic gear that circulates, see Fig. 1 and Fig. 2, comprise main shaft 10 and top four speed change gears, clutch 22, counter shaft 11 and top four speed change gears, shifting cam drum 13, shift fork 12 and shift transmission shaft group 33, gear engagement on clutch 22 and piston rod crankshaft assembly 1 line shaft, shift fork 12 cooperates with speed change gear on main shaft 10 and the counter shaft 11; It is 4.056,2.769,1.722,1.273 scope that the engagement that changes major and minor speed change gear according to gear reaches with velocity ratio, and forward gears final stage velocity ratio is 66/26=2538.

Counter shaft 11 is provided with the reverse gear structure, see Fig. 1 and Fig. 5, the reverse gear structure comprises countershaft output gear 35, reverse idler gear 14, reverse speed fork 34 and reverse gear arm 36, countershaft output gear 35 is arranged on the counter shaft 11 and with reverse idler gear 14 and meshes, and reverse gear arm 36 is connected by reverse speed fork 34 and countershaft output gear 35; Countershaft output gear 35 reaches the final stage reverse gear ratio with the reverse idler gear engagement and is (21/36) * (66/16)=3.332.

Be provided with differential gear in the casing assembly with the reverse gear respective outer side edges, see Fig. 1, differential gear comprises right output sleeve 15, planetary pinion 16, right bevel gear 17, left angular wheel 18, differential cage 19, gear shaft 20 and left output sleeve 21, differential gear 37 is connected with reverse idler gear 14, planetary pinion 16 is formed the differential structure with left angular wheel 18, differential gear 37 and differential structure engages, drive

planetary pinion

16 and 18,17 rotations of left and right bevel gear, left and

right bevel gear

18,17 is connected with left output sleeve 21, right output sleeve 15 respectively.The casing assembly is made up of left box body 23, right case 24, left case lid 25 and right case lid 26.The starting ignition device is made up of actuating motor 29, starting gear 30, free wheel device 31 and magnetogenerator 7, igniter 27, high pressure packet 28, spark plug 6, free wheel device 31 is arranged on the main shaft of piston rod crankshaft assembly 1, and the gear shaft on the actuating motor 29 is through starting gear 30 and free wheel device 31 engagements; By the engagement of the front gear on the reverse idler gear 14 differential gear 17, final stage forward gears velocity ratio is 2.538 when advancing.

The casing assembly is made up of left box body 23, right case 24, left case lid 25 and right case lid 26.The starting ignition device is made up of actuating motor 29, starting gear 30, free wheel device 31 and magnetogenerator 7, igniter 27, high pressure packet 28, spark plug 6, free wheel device 31 is arranged on the line shaft of piston rod crankshaft assembly 1, and the gear shaft on the actuating motor 29 is through starting gear 30 and free wheel device 31 engagements.

Introduce working procedure of the present utility model below, at first by actuating motor 29 starting rotating band movable gear shafts, gear shaft engagement starting gear 30, idle gear engagement free wheel device gear rotates on it, free wheel device 31 drives the line shaft rotation of piston rod crankshaft assembly 1, makes connecting rod, piston reciprocates.Line shaft drives magnetogenerator 7 and rotates the control electrical signal that produces to electronics C.D.I igniter 27, and the output current of control high pressure packet 28, boosts through secondary winding, makes spark plug 6 inter-stages form spark ignition; Fuel oil is supplied with in oil supply system Carburetor work simultaneously.Along with line shaft drives timing chain 32, make the phase place of camshaft rotating cam lift control timing inlet and outlet, expand and burn in the firing chamber of combustion gas in cylinder head 3, promoting the piston rod crankshaft assembly rotates continuously, after reaching working speed, free wheel device 31 is thrown off automatically, and hot merit partly enters continuous periodic duty.Line shaft drives cooling fan 8 and produces air quantity, enters working state through

air guide sleeve

9A, 9B cooling system.Gear on the gear engagement clutch 22 on the line shaft, drive clutch 22 rotations, whether clutch lever 40, detaching cam 39 and clutch push rod 38 solenoidoperated cluthes 22 drive main shaft 10 rotations, handle clutch lever 40 and make clutch 22 transmitting torques give main shaft 10, main shaft 10 is rotated.The major and

minor axle

10,11 of speed change is provided with 1,2,3,4 four gears, transforming gear is by shift transmission shaft group 33, drum cam 13 and shift fork 12 controls, after clutch separation, according to required gear, rotating cam drum 13 is to required gear, fillet groove on the drum cam 13 promotes shift fork 12 to required gear, two shift forks of shift fork 12 are pushed into required gear with the speed change gear on the major and minor axle of

speed change

10,11, and the speed change gear on the major and

minor axle

10,11 of speed change is meshing with each other, and the moment of torsion of main shaft 10 is delivered on the counter shaft 11; By countershaft output gear 35 and reverse idler gear 14 engagements, gear on the reverse idler gear 14 and differential gear 37 engagements, driving left and

right bevel gear

18,17 rotates, two planet wheels 16 are formed the differential structure with left angular wheel, left and

right bevel gear

18,17 drives left output sleeve 21 respectively and right output sleeve 15 rotates, left side output sleeve 21 and right output sleeve 15 drive the motor tricycle rear-wheel spindle and rotate, thereby make the car load operation.

When the needs reverse gear is moved, at first gear is manipulated to zero-span, handle reverse gear mechanism again, by rotating reverse gear arm 36, make reverse speed fork 34 stir countershaft output gear 35, and with the engagement of the backgear of reverse idler gear 14, backgear and differential gear 37 engagements are transmitting torque and rotating speeds also, thereby make it turn to the purpose that reaches reverse gear.

Claims

1, a kind of integrated engine for motorcycle, comprise casing assembly, piston rod crankshaft assembly (1), cylinder block (2), cylinder head (3), camshaft (4), cowl hood (5), timing chain (32), starting ignition device, gear, it is characterized in that: described piston rod crankshaft assembly (1) line shaft is provided with fan (8), on the shell of casing assembly power, be provided with air guide sleeve (9A, 9B), be provided with suction port on the corresponding air guide sleeve (9A) of fan (8), the bottom of air guide sleeve (9A, 9B) is provided with exhaust port.

2, integrated engine for motorcycle according to claim 1, it is characterized in that: described gear comprises main shaft (10) and top speed change gear, clutch (22), counter shaft (11) and top speed change gear, shifting cam drum (13), shift fork (12) and shift transmission shaft group (33), gear engagement on clutch (22) and piston rod crankshaft assembly (1) line shaft, shift fork (12) cooperates with speed change gear on main shaft (10) and the counter shaft (11).

3, integrated engine for motorcycle according to claim 1 and 2, it is characterized in that: described counter shaft (11) is provided with the reverse gear structure, the reverse gear structure comprises countershaft output gear (35), reverse idler gear (14), reverse speed fork (34) and reverse gear arm (36), countershaft output gear (35) is arranged on counter shaft (11) and upward and with reverse idler gear (14) meshes, and reverse gear arm (36) is connected by reverse speed fork (34) and countershaft output gear (35).

4, integrated engine for motorcycle according to claim 3, it is characterized in that: be provided with differential gear in the described casing assembly with the reverse gear respective outer side edges, differential gear comprises right output sleeve (15), planetary pinion (16), right bevel gear (17), left angular wheel (18), differential cage (19), gear shaft (20) and left output sleeve (21), differential gear (37) is connected with reverse idler gear (14), planetary pinion (16) is formed the differential structure with left angular wheel (18), differential gear (37) and differential structure engages, a left side, right bevel gear (18,17) respectively with left output sleeve (21), right output sleeve (15) connects.

5, integrated engine for motorcycle according to claim 1 is characterized in that: described casing assembly is made up of left box body (23), right case (24), left case lid (25) and right case lid (26).

6, integrated engine for motorcycle according to claim 3, it is characterized in that: described starting ignition device is made up of actuating motor (29), starting gear (30), free wheel device (31) and magnetogenerator (7), igniter (27), high pressure packet (28), spark plug (6), free wheel device (31) is arranged on the line shaft of piston rod crankshaft assembly (1), and the gear shaft on the actuating motor (29) is through starting gear (30) and free wheel device (31) engagement.