CN2597691Y

CN2597691Y - Single cylinder diesel engine starter

Info

Publication number: CN2597691Y
Application number: CNU032197896U
Authority: CN
Inventors: 凌锦文
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-30
Filing date: 2003-01-30
Publication date: 2004-01-07
Anticipated expiration: 2013-01-30

Abstract

The utility model relates to a starter of a single cylinder diesel. The main shaft of the starter is provided with an energy storage spring, an overrun clutch and a ratchet wheel; one end of the main shaft is provided with a swinging arm which can move around the main shaft in circumferential direction and axial direction; the outside wall of the overrun clutch is provided with a tooth which is engaged with a transition gear; the transition gear has a cam which is contacted with an arched swinging arm; the body shell of the starter also is rotationally provided with a pallet separator; and one end of the arched swinging arm is provided with a pallet linked with the pallet separator; the cam is contacted with the pallet separator, the arched swinging arm and the ratchet wheel stopper; the wobble end of the balanced lever which can move corresponding to the starter shell is arranged to oppose the free end of the arched swinging arm; and the balanced lever is connected with the external end of a coil spring. The utility model is entirely stabilized at the rear face of the gear box of the single cylinder diesel; and the utility model has compact rotating route and simple structure, and can greatly match with the diesel motor; the utility model also has the advantages of beautiful appearance, rapid starting ability, security, reliability and easy operation and so on.

Description

The single cylinder diesel starter

Technical field:

The utility model relates to engine starting gear, particularly 8-25 horsepower single cylinder diesel starting arrangement.

Background technique:

General single cylinder diesel majority is to adopt the manpower starting, and the operator needs stronger muscle power, cold weather, and priming speed is not enough, often can not the one push start success, also " reversing " can appear, the operating crank dangerous phenomenon such as hurt sb.'s feelings that flies out sometimes.The patent No. is 95218306.4 Chinese patent disclosed " a kind of diesel engine starting device ", comprise housing, connecting sleeve, axis, energy storage spring, free wheel device, automatic energy storage mechanism and control starting mechanism automatically, it is characterized in that: energy storage mechanism is by the synergy of eccentric wheel, rocking arm and stretched spring automatically, the rotational energy that is transformed into gearwheel by free wheel device is stored in the energy storage spring, and control starting mechanism automatically is the combination that adopts finger dish and cam, makes its control diesel engine starting automatically.The patented product is installed in the side of the gear chamber cover of diesel engine, has influenced the structural behaviour of diesel engine, and is inharmonious with the Diesel Engine Complete Machine coupling, influences the diesel engine beautiful shape, with the supporting comparatively difficulty of other facility.

Summary of the invention:

The purpose of this utility model is to provide a kind of compact structure, the single cylinder diesel starter good with the diesel engine matching performance.

Solution of the present utility model is: comprise housing, main shaft, energy storage spring, free wheel device, main shaft and housing flexibly connect, one end of main shaft is equipped with and can does the swing arm that circumferential and axial move and link to each other with the backguy of diesel engine decompressor flexible axle around main shaft, swing arm is provided with and the contacted block of driving lever, energy storage spring is housed respectively on the main shaft, free wheel device and ratchet, the outer hub of free wheel device is provided with tooth, and be meshed with transition gear, transition gear is provided with cam, cam contacts with arc rocking arm, arc rocking arm and housing flexibly connect, the ratchet separating arm is equipped with in the activity of going back on the housing, one end of arc rocking arm be equipped with can with the ratchet of ratchet separating arm interlock, handle cam respectively with the ratchet separating arm, arc rocking arm, the ratchet backstopping device contacts, the other end of ratchet backstopping device is against on the ratchet of ratchet, and the swinging end of balanced lever that can relative swing with housing and the free end of arc rocking arm are oppositely arranged, and balanced lever links to each other with the wind spring outer end.

Main shaft stretches out an end and the swing arm screw-thread fit of housing, the end of swing arm links to each other with the backguy of diesel engine decompressor flexible axle, swing arm middle part be provided with dashboard on the contacted block of driving lever, dashboard is fixed on the camshaft, the outer periphery of dashboard is provided with ball-and-socket, and the housing relative with ball-and-socket is provided with elasticity and bumps pearl.

Handle cam and housing and be movably connected, be fixed with dashboard on the camshaft of manipulation cam, handle cam and be provided with three convex bodys controlling arc rocking arm, ratchet separating arm and ratchet backstopping device respectively.

The ratchet separating arm is movably connected on the fulcrum of arc rocking arm, and the fulcrum of arc rocking arm is fixed on the housing.

Be provided with push rod between ratchet and the ratchet separating arm.

The Zhi Duanyu housing of balanced lever flexibly connects, the balanced lever middle part is connected with the pin that can do relative movement with housing, and pin is fixed on the wind spring cuff, and the wind spring cuff cooperates with the housing inner chamber is movable, the wind spring outer end is fixed on the wind spring cuff, and wind spring the inner is fixed on the main shaft.

The utility model overall fixed on single cylinder diesel gear chamber cover ear end face, the drive path compactness, simple in structure, good with the diesel engine matching performance, beautiful shape also has starting rapidly, and is safe and reliable, characteristics such as handiness.

Description of drawings:

Accompanying drawing has provided an embodiment of the present utility model.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.

Fig. 1 is the utility model embodiment's a structural representation;

Fig. 2 is the utility model embodiment's an A-A sectional view;

Fig. 3 is the utility model embodiment's an external structure schematic representation;

Fig. 4 is that the utility model embodiment's B is to view;

Fig. 5 is the utility model embodiment's a wind spring modular construction schematic representation.

Embodiment:

Comprise housing 31, main shaft 24, energy storage spring 40, free wheel device, main shaft 24 and housing 31 are connected by rolling bearing, one end of main shaft 24 stretches out outside the housing 31, and with swing arm 45 screw-thread fit, the end 49 of swing arm 45 links to each other with diesel engine decompressor flexible axle backguy 48, the middle part of swing arm 45 is provided with block 46, block 46 contacts with driving lever 47 on the dashboard 37, dashboard 37 is fixed on the camshaft 14 of handling cam 13, the corresponding station in the outer periphery of dashboard 37 is provided with two ball-and-sockets, respectively corresponding " starting " of the present utility model and " energy storage " two working staties, the housing 31 relative with ball-and-socket is provided with positioning block 56, positioning block 56 is provided with blind hole, be placed with elasticity in the blind hole and bump pearl 52, elasticity is bumped pearl 52 and is had spring 53, the camshaft 14 of handling cam 13 is movably connected with housing 31, manipulation cam 13 is provided with controls arc rocking arm 3 respectively, three convex bodys 12 of ratchet separating arm 6 and

ratchet backstopping device

19,15,18, the axle head of handling the camshaft 14 of cam 13 is provided with the flat position 36 that matches with operating grip; Ratchet 25 is housed respectively on the main shaft 24, free wheel device and energy storage spring 40, the interior hub 41 of free wheel device is fixed on the main shaft 24, the outer hub 44 of free wheel device flexibly connects by rolling bearing 42 with main shaft 24, the outer periphery of outer hub 44 is provided with gear ring 43, and be meshed with transition gear 1, transition gear 1 is flexibly connected by rolling bearing with gear shaft 33, gear shaft 33 is fixed on the housing 31, transition gear 1 is provided with cam 34, cam 34 is made one with transition gear 1, cam 34 contacts with roller 2 on the arc rocking arm 3, be provided with needle roller between roller 2 and the Roller Shaft 32, Roller Shaft 32 is fixed on the arc rocking arm 3, arc rocking arm 3 cooperates with the fulcrum 4 on being fixed on housing 31 is movable, be connected with ratchet separating arm 6 on the fulcrum 4, ratchet separating arm 6 is provided with contact 22, contact 22 contacts with convex body 15 on handling cam 13, ratchet 29 is equipped with in the lower end activity of arc rocking arm 3, the other end of the Returnning spring 30 on the ratchet 29 is fixed on the housing 31, be provided with push rod 26 between ratchet separating arm 6 and the ratchet 29, push rod 26 and 2 push rod bearings 5 that are located on the arc rocking arm 3,28 movable cooperations, be provided with Returnning spring 27 between push rod 26 and the push rod bearing 28; Handle on the cam 13 convex body 12,18 respectively with the free end 7 of arc rocking arm 3 on contact 8 and the contact 17 on the ratchet backstopping device 19 contact, the other end of ratchet backstopping device 19 is against on the ratchet 23 of ratchet 25, ratchet backstopping device 19 flexibly connects with fulcrum 20, fulcrum 20 is fixed on the housing 31, and reduction torsion spring 21 also is housed on the ratchet backstopping device 19; The free end 7 of arc rocking arm 3 is provided with contact 9, contact 10 on contact 9 and the balanced lever 11 is oppositely arranged, the end that balanced lever 11 is provided with contact 10 is equipped with spring 16, the other end of spring 16 is fixed on the housing 31, the Zhi Duanyu housing 31 of balanced lever 11 flexibly connects, pin 38 is equipped with at balanced lever 11 middle parts, having slotted eye 51 on the housing 31 with on the pin 38 corresponding positions, pin 38 is fixed on the energy storage spring cuff 39, energy storage spring cuff 39 cooperates with housing 31 inner chambers are movable, the outer end 54 of energy storage spring 40 is fixed on the energy storage spring cuff 39, and the inner 55 of energy storage spring 40 is fixed on the main shaft 24.

The utility model overall fixed makes transition gear 1 of the present utility model be meshed with the starting gear 35 of diesel engine on Gear Cavity Cover of Diesel Engine ear end face 50.

Joystick is counterclockwise pulled the flat position 36 on the camshaft 14, manipulation cam 13 rotation counterclockwise thereupon that is fixed on the dashboard 37 on the camshaft 14 and is connected as a single entity with camshaft 14, dashboard 37 is in " starting " station, driving lever 47 on the dashboard 37 is stirred the block 46 at the middle part of swing arm 45, swing arm 45 is rotated around main shaft 24, decompressor is opened in the end 49 pulling diesel engine decompressor flexible axle backguys 48 of swing arm 45; When manipulation cam 13 counterclockwise rotates, handle three convex bodys 12 on the

cam

13,15,18 back down the free end 7 of the arc rocking arm 3 of control respectively, the contact 8 of ratchet separating arm 6 and ratchet backstopping device 19,22,17, after the free end 7 of arc rocking arm 3 is backed down, arc rocking arm 3 rotates around fulcrum 4, roller 2 on the arc rocking arm 3 is disengaged with cam 34 on the transition gear 1, after ratchet separating arm 6 is backed down, back down ratchet 29 by the push rod 26 between ratchet separating arm 6 and the ratchet 29, ratchet 29 and ratchet 25 are disengaged, after ratchet backstopping device 19 is backed down, ratchet backstopping device 19 disengages with the ratchet 23 of ratchet 25, the ratchet 25 of this moment is in free state, being fixed on the energy storage spring 40 that giving on the main shaft 24 contain energy earlier releases energy, drive main spindle 24 clockwise directions rotate, because swing arm 45 is with being threaded with main shaft 24, main shaft 24 clockwise directions rotate, swing arm 45 is also outwards moved vertically, after main shaft 24 rotates the 1-2 circle, block 46 in the swing arm 45 disengages with the driving lever 47 on the dashboard 37, the backguy 48 of diesel engine decompressor flexible axle resets under the effect of Returnning spring, swing arm 45 counterclockwise is turned back to initial position, decompressor is closed, the diesel engine compression, ignition start; Main shaft 24 clockwise directions rotate, and the gear ring 43 on the outer hub 44 of drive free wheel device rotates, and gear ring 43 rotates through the starting gear 35 that transition gear 1 drives diesel engine, finishes the start-up function of diesel engine; After the diesel engine proper functioning, clockwise direction is pulled Joystick, make dashboard 37 be in " energy storage " station, handle three convex bodys 12 on the

cam

13,15,18 are in off-position, the free end 7 of arc rocking arm 3, ratchet separating arm 6 and ratchet backstopping device 19 contact with the basal plane of handling cam 13 respectively, at spring 30,27 and the effect of reduction torsion spring 21 under, the free end 7 of arc rocking arm 3, ratchet separating arm 6 and ratchet backstopping device 19 reset, cam 34 on the transition gear 1 contacts with roller 2 on the arc rocking arm 3, ratchet 29 props up the ratchet 23 on the ratchet 25, crown on the ratchet backstopping device 19 is stuck on the ratchet 23 of ratchet 25, ratchet 25 can only be rotated in unidirectional gap, transition gear 1 whenever turns around, cam 34 on the transition gear 1 just promotes arc rocking arm 3 swings once by the roller on the arc rocking arm 32, ratchet 23 on 29 promotion ratchets 25 of ratchet on the arc rocking arm 3 tooth pitch that advances, the rotation that does not stop of the cam 34 on the transition gear 1, driving main shaft 24 counterclockwise rotates, swing arm 45 also moves inward vertically, after main shaft 24 counterclockwise rotates the 1-2 circle, block 46 in the swing arm 45 resumes contacts with the driving lever 47 on the dashboard 37, simultaneously, energy storage spring 40 tightens up, energy storage; Along with the tightening force of energy storage spring 40 progressively strengthens, being fixed on the outer end 54 drive energy storage spring cuffs 39 of energy storage spring 40 on the energy storage spring cuff 39 and the pin 38 that is fixed on the energy storage spring cuff 39 moves along circumferential, pin 38 drives balanced lever 11 relative housings 31 and swings, the end that balanced lever 11 is provided with contact 10 overcomes the pulling force of spring 16, contact with the contact 8 on the free end 7 of arc rocking arm 3, along with the continuation of the tightening force of energy storage spring 40 strengthens, promoting arc rocking arm 3 rotates around fulcrum 4, Roller Shaft 32 strengthens gradually with the spacing of gear shaft 33, along with reducing of the oscillating stroke of arc rocking arm 3, the shift motion of ratchet 29 is also corresponding to be reduced, when the shift motion of ratchet 29 during less than the tooth pitch of ratchet 23, just can't promote ratchet 25 and rotate, energy storage spring 40 energy storage finish.

Claims

1, the single cylinder diesel starter, comprise housing, main shaft, energy storage spring, free wheel device, main shaft and housing flexibly connect, the end of main shaft that is characterised in that of the present utility model is equipped with and can does the swing arm that circumferential and axial move and link to each other with the backguy of diesel engine decompressor flexible axle around main shaft, swing arm is provided with and the contacted block of driving lever, energy storage spring is housed respectively on the main shaft, free wheel device and ratchet, the outer hub of free wheel device is provided with tooth, and be meshed with transition gear, transition gear is provided with cam, cam contacts with arc rocking arm, arc rocking arm and housing flexibly connect, the ratchet separating arm is equipped with in the activity of going back on the housing, one end of arc rocking arm be equipped with can with the ratchet of ratchet separating arm interlock, handle cam respectively with the ratchet separating arm, arc rocking arm, the ratchet backstopping device contacts, and the other end of ratchet backstopping device is against on the ratchet of ratchet, the swinging end of balanced lever that can relative swing with housing and the free end of arc rocking arm are oppositely arranged, and balanced lever links to each other with the wind spring outer end.

2, single cylinder diesel starter according to claim 1, the main shaft that is characterised in that of the present utility model stretches out an end and the swing arm screw-thread fit of housing, the end of swing arm links to each other with the backguy of diesel engine decompressor flexible axle, swing arm middle part be provided with dashboard on the contacted block of driving lever, dashboard is fixed on the camshaft, the outer periphery of dashboard is provided with ball-and-socket, and the housing relative with ball-and-socket is provided with elasticity and bumps pearl.

3, single cylinder diesel starter according to claim 2, manipulation cam and the housing of being characterised in that of the present utility model is movably connected, be fixed with dashboard on the camshaft of manipulation cam, handle cam and be provided with three convex bodys controlling arc rocking arm, ratchet separating arm and ratchet backstopping device respectively.

4, single cylinder diesel starter according to claim 3, the ratchet separating arm that is characterised in that of the present utility model is movably connected on the fulcrum of arc rocking arm, and the fulcrum of arc rocking arm is fixed on the housing.

5, single cylinder diesel starter according to claim 1, of the present utility model being characterised in that between ratchet and the ratchet separating arm is provided with push rod.

6, single cylinder diesel starter according to claim 1, the Zhi Duanyu housing of balanced lever that is characterised in that of the present utility model flexibly connects, the balanced lever middle part is connected with the pin that can do relative movement with housing, pin is fixed on the wind spring cuff, the wind spring cuff cooperates with the housing inner chamber is movable, the wind spring outer end is fixed on the wind spring cuff, and wind spring the inner is fixed on the main shaft.