CN203081637U - Shock-free starter of combustion motor rolling spring - Google Patents

Abstract

The utility model discloses a shock-free starter of a combustion motor rolling spring. The shock-free starter comprises a rocking handle, a rocking handle socket, a shell, a small gear, a large gear, a friction disk, a rolling spring disk, a rolling spring, a disk cover, a main shaft, a claw disk, a claw disk cover, a claw cover, a brake block, friction blocks and small springs, and the key is that a shaft of the small gear passes through a shell body to be connected with the rocking handle socket through a key; one end of the main shaft is inserted into a bearing hole in a shell, and the other end of the main shaft is successively provided with the large gear, the friction disk, the rolling spring disk, the rolling spring, the disk cover, the claw disk and the claw disk cover; the edge of the friction disk is symmetrically provided with two removable wedge-shaped clutch blocks fitted with the friction disk, one of two arc surfaces of the friction disk is clung to the friction disk, and the other surface of the friction disk is clung to the friction blocks arranged on the shell of a starter shell; the rear ends of the front and rear end surfaces of the friction blocks are connected with the small springs fixed on the shell, and the front ends of the front and rear end surfaces of the friction blocks are connected with the brake block; and teeth of the brake block are meshed with the large gear, and the large gear is meshed with the small gear. The shock-free starter provided by the utility model has the advantages that the rotating speed of the rolling spring is controlled when the energy is released, a combustion motor can start under the shock-free condition, damage caused by strong instant impact force of the releasing energy is reduced, and the reliability of the starter is improved.

Description

A kind of internal-combustion engine wind spring no surge start device

Technical field

The utility model relates to a kind of starting arrangement of internal-combustion engine.

Background technique

Along with the propelling of Chinese Urbanization, a large amount of rural migrant workers go down town, the anxious scarce labour force in rural area, and realizing the mechanization of farm work becomes problem demanding prompt solution.Internal-combustion engine especially diesel engine is widely used a kind of dynamic power machine, is mainly used on the agricultural equipments such as agricultural transportation vehicle, irrigation, harvesting, agricultural byproducts processing, and is very big in the rural market.

Internal-combustion engine must just can enter operating condition by a cover starting mechanism before work, common start mode has electricity starting and machinery starting.The electricity start mode utilizes the motor drives engine starting; save time, laborsaving; easy to use, safe; but because agricultural equipment work has seasonal characteristics, make its operating time short, standby time is long; if in time charge in batteries is not safeguarded; cause when using battery feed not enough or other faults occur easily, how to be ignorant of maintenance free cell, usually can delay farming for the general user who does not have professional knowledge.The internal-combustion engine of present most of agricultural equipment all uses mechanical start mode, wherein mainly contains shaking type and hand-pulling type.The hand starting mode is that rocking handle is combined with bent axle, the rocking-turn rocking handle of exerting oneself, and internal-combustion engine can start when making speed of crankshaft reach enough high.It is similar to pull the start mode principle, replaces rocking handle with stay cord, and it mainly uses on compact internal combustion engine.Hand and pull start mode and all need than great strength, particularly in winter, diesel engine under cryogenic conditions than hard-to-start, need enough power, so all be not easy to allow diesel engine successfully start regardless of the hand start mode that still pulls in winter, especially now the most of strong young man in rural area goes out to do manual work, and only stays some the old,weak,sick and disabled persons at home, remembers that for them moving internal-combustion engine is unable to do what one wishes.

Many wind spring energy storing starters have appearred now on the market for addressing the above problem, be exactly to use less strength rocking-turn rocking handle earlier, the moving wind spring of one circle, one astragal rotates, when wind spring slowly after the rolling-in, when needing cranking internal combustion engine, allow the wind spring energy stored discharge quickly and be converted into the rotation of mechanical energy drive bent axle, its rotating speed is very big, enough satisfy the required starting speed of engine starting, internal-combustion engine is reliably started, even also out of question in winter, the crowd as the old,weak,sick and disabled's one class muscle power weakness also can operate like this.Though Recoil starter is laborsaving, easily rocking-turn energy storage, exist wind spring release can the time instant impact big problem, some starters are comprised component on the internal-combustion engine, huge impact power can influence its life-span and reliability.

The model utility content

The purpose of this utility model provide a kind of safety, life-span long, conveniently control, can control wind spring release can the time the internal-combustion engine wind spring no surge start device of rotating speed.

To achieve these goals, by the following technical solutions: a kind of internal-combustion engine wind spring no surge start device, comprise rocking handle, rocking handle socket, shell, small gear, gearwheel, friction disk, wind spring dish, wind spring, disk cover, main shaft, pawl dish, pawl disk cover, pawl cover, brake slipper, brake pad, little spring, it is characterized in that: the axle of small gear passes case body, is connected with key with the rocking handle socket; Main shaft one end is inserted in the bearing hole on the shell, from then on holds to the other end and places gearwheel, friction disk, wind spring dish, wind spring, disk cover, pawl dish, pawl disk cover successively; The friction disk edge is symmetrical arranged two movably wedge shape brake pad and friction disk applyings, and two arc surfaces of brake pad simultaneously paste friction disk, brake pad on the shell on the another side subsides starter shell; The rear end of brake pad rear and front end face is connected with the little spring on being fixed on shell, and front end is connected with stay cord with brake slipper; The tooth of brake slipper and gearwheel engagement, gearwheel and pinion.

Wherein brake pad all is a wedge shape on brake pad and the shell, and the big rear end of brake pad front end is little, and the little rear end of brake pad front end is big on the shell.

Concrete, above internal-combustion engine wind spring no surge start device comprises that shell, energy storage, control speed, pawl connect four major parts.Rocking handle socket, small gear are arranged on the shell; Energy storage section comprises main shaft, gearwheel, wind spring dish, wind spring, disk cover; Control speed part comprises friction disk, brake pad, little spring, brake slipper, stay cord; Pawl connects and comprises pawl dish, pawl disk cover, pawl cover.

The above-mentioned parts structure is as follows: the axle of small gear passes case body, be connected with key with the rocking handle socket, and rocking handle socket bezel designs, rocking handle inserts the rocking handle socket, is just changeing to drive the small gear commentaries on classics, and rocking handle withdraws from automatically during counter-rotating, guarantees personal security.Main shaft one end is inserted in the bearing hole on the shell, and the hole rotates easily axle with oil lubrication.Place gearwheel, friction disk, wind spring dish, wind spring, disk cover, pawl dish, pawl disk cover from this end of main shaft successively to the other end.Gearwheel is connected with key with main shaft, and friction disk is welded on the gearwheel end face and is connected as a single entity.Wind spring is in the wind spring dish, and the first head of two of wind spring is inserted on the main shaft, and the other end is fixed on the post that shell stretches.Wind spring covers with disk cover, prevents to eject, and the disk cover center hole has bearing, makes axle rotate easily disk cover edge and shell screw fixings.

The brake pad of control speed part is designed to wedge shape, and the big rear end of front end is little, about two arc surfaces, there is individual groove the centre.Groove is inserted on the directional post on the shell, and the mobile of brake pad play the guiding role.Face of two arc surfaces can be fitted fully with the friction disk edge, another face can be fitted with the face of brake pad on the shell on the shell, and brake pad also is a wedge-shaped design on the shell, but shape is opposite with removable brake pad, the little rear end of front end is big, and such design can be fitted both arc surfaces fully.On former and later two end faces that vary in size of brake pad a ring is arranged respectively, ring on the back small end face is connected with a little spring, on the fixing post in the enclosure of the little spring the other end, little spring is used to strain the applying of brake pad arc surface on brake pad and friction disk and the shell, increases frictional force; Ring on the preceding large end face is connected with stay cord, the pulling stay cord, the arc surface of fitting separately, frictional force reduces, the active force of little spring makes the arc surface applying increase friction again when putting rope, especially the wedge-shaped design of brake pad can be put when rope releasing on brake pad and the shell, brake pad can along friction disk turn to automatically and on the shell brake pad paste tightlyer, produce bigger frictional force and make spindle speed reduce even not change.Brake slipper is light while weighing, and there is a tooth to mesh with gearwheel, the position of installing is not being shaken or wind spring is released can turn to when rotating and meshed with gearwheel automatically brake slipper under the gravity unbalance effect, main shaft is not changeed, this automatically stuck effect can allow the people that swaggers handle tire out to have a rest midway to continue to shake, and is lighter laborsaving.Draw back the engagement of brake slipper and gearwheel when releasing energy earlier, the drawing friction piece moves forward and backward again, and the applying degree of control rubbing surface is promptly controlled the size of frictional force, thus the rotating speed of control main shaft.

Pawl attachment portion pawl dish is installed in the main shaft end, covers the pawl disk cover and fixes with nut, and the pawl cover is fixed on the starting shaft of internal-combustion engine.Control main shaft rotating speed at the beginning by brake pad when releasing energy, allow main shaft begin to rotate with a lower rotating speed, be with the pawl dish to change the starting dog ejection is connected with the pawl cover, because rotating speed is low, impact force is very little, can not damage starting dog and pawl cover, be fully withdrawn the applying of arc surface between brake pad on brake pad and friction disk and the shell subsequently, the rotating speed of main shaft increases immediately, effectively drive engine starting, behind engine starting, the wind spring energy has discharged, and spindle speed reduces, the pawl dish rotating speed also reduce, the rotating speed of internal-combustion engine dewclaw cover is then very high, and starting dog will be taken in automatically and break away from the pawl cover in the pawl dish this moment, and starter is finished the starting task.

The utility model can be controlled its rotating speed when wind spring is released energy, internal-combustion engine is started under shock-free condition, reduces to release the harm that the energy instant impact brings greatly, improves the reliability of starter.

Description of drawings

Fig. 1 is a general structure schematic representation of the present utility model;

Fig. 2 is the shell schematic representation;

Fig. 3 is the brake pad schematic representation;

Fig. 4 is the brake slipper schematic representation;

Fig. 5 is the work schematic representation of rocking handle and rocking handle socket;

Fig. 6 is the schematic representation of cooperating between shell, small gear, gearwheel, brake pad, brake slipper, friction disk, the stay cord.

Among the figure, 1 is rocking handle, and 2 is the rocking handle socket, 3 is shell, and 4 is small gear, and 5 is gearwheel, 6 is friction disk, and 7 is the wind spring dish, and 8 is wind spring, 9 is the pawl cover, and 10 is the pawl disk cover, and 11 is the pawl dish, 12 is disk cover, and 13 is main shaft, and 14 is brake slipper, 15 is brake pad, and 16 is little spring, and 17 is the little spring post, 18 is the wind spring post, and 19 is brake pad on the shell, and 20 is the brake pad directional post, 21 is the brake slipper axis hole, and 22 is the small gear axis hole, and 23 is the main shaft bearing hole, encircle on the 24-1 brake pad ear end face, 24-2 encircles on the brake pad front-end face, and 25 is guiding groove, and 26 is stay cord, 27 is the brake slipper rotating shaft, and 28 are the post of restricting on the brake slipper, and 29 is the rocking handle cover.

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described further.

As depicted in figs. 1 and 2, a kind of internal-combustion engine wind spring no surge start device, it comprises rocking handle 1, rocking handle socket 2, shell 3, small gear 4, gearwheel 5, friction disk 6, wind spring dish 7, wind spring 8, pawl cover 9, pawl disk cover 10, pawl dish 11, disk cover 12, main shaft 13, brake slipper 14, brake pad 15, little spring 16.

The fixedly little spring post 17 of little spring 16 is arranged on the shell 3, the fixing wind spring post 18 of wind spring 8, brake pad 19 is welded on the shell 3 on the shell of two symmetries, in addition brake pad 15 is moved the directional post 20 that play the guiding role, place the brake slipper axis hole 21 of brake slipper 14, place the small gear axis hole 22 of small gear 4, place the bearing hole 23 of main shaft 13.The axle of small gear 4 passes small gear axis hole 22 and is connected with rocking handle socket 2 usefulness keys.Main shaft 13 1 ends are inserted in the bearing hole 23 on the shell 3, and the hole rotates easily main shaft 13 with oil lubrication.Place gearwheel 5, friction disk 6, wind spring dish 7, wind spring 8, disk cover 12, pawl dish 11, pawl disk cover 10 from main shaft 13 these ends successively to the other end.Gearwheel 5 is connected with main shaft 13 usefulness keys, and friction disk 6 is welded on the end face of gearwheel 5 and is connected as a single entity.Wind spring 8 is in wind spring dish 7, and two first heads of wind spring 8 are inserted on the main shaft 13, and the other end is fixed on the wind spring post 18.Wind spring 8 usefulness disk covers 12 cover, and prevent to eject, and disk cover 12 edges and shell 3 are screwed.

As shown in Figure 3, brake pad 15 wedgewises, the big rear end of front end is little, and ring is all arranged above, and the ring 24-1 of rear end is connected with little spring 16, and the ring 24-2 of front end is connected with stay cord 26.About 15 two arc surfaces of brake pad, an arc surface can be fitted fully with the edge face of friction disk 6, and another arc surface can be fitted fully with the face of brake pad on the shell 19, also wedgewise of brake pad 19 on the shell, the little rear end of front end is big.Guiding groove 25 is arranged on the brake pad 15, be inserted in and guide moving of brake pad 15 on the directional post 20 on the shell.The tension of the shape of wedge shape and little spring 16 can allow brake pad 15 arc surface when releasing not stay cord fit closelyr, and frictional force is bigger.

As shown in Figure 4, brake slipper 14 is that an end weighs the light unbalanced design of an end, have above a tooth can with gearwheel 5 engagement, gravity unbalance is not shaking or wind spring 8 is released and can be turned to when rotating automatically and gearwheel 5 engagements brake slipper 14, controls main shaft 13 and does not change.Brake slipper rotating shaft 27 is inserted in brake slipper axis hole 21 interior rotations the on the shell 3.Stay cord 26 is fastened on rope post 28.

As shown in Figure 5, rocking handle socket 2 bezel designs, rocking handle 1 inserts rocking handle socket 2, is just changeing to drive small gear 4 commentaries on classics, and rocking handle 1 withdraws from automatically during counter-rotating, guarantees personal security.It is lighter when the rocking handle cover 29 on the rocking handle 1 makes personnel shake starter.

As shown in Figure 6, in shell 3, small gear 4 can mesh with gearwheel 5 with gearwheel 5 engagements, the tooth on the brake slipper 14.About 15 two arc surface one sides of two brake pads of symmetry are fitted with friction disk 6, brake pad 19 is fitted on another side and the shell, brake pad 19 is the opposite wedge shapes of shape on brake pad 15 and the shell, can fit fully, can put when rope when releasing, brake pad 15 can along the sense of rotation of friction disk 6 automatically with shell on brake pad 19 fit closelyr, produces bigger frictional force obstruction main shaft 13 rotations.The ring 24-1 of brake pad 15 rear ends is connected with little spring 16, and the ring 24-2 of front end is connected with stay cord 26, and stay cord 26 is also connecting brake slipper 14 simultaneously, and guiding groove 25 is inserted on the directional post 20.

Rocking handle 1 rocking-turn small gear 4 drives gearwheel 5 and the tight accumulation of energy of coaxial wind spring 8 commentaries on classics during work.Draw back the engagement of brake slipper 14 and gearwheel 5 when releasing energy earlier; the drawing friction piece 15 again; can control the frictional force of promptly controlling between the arc surface that contacts of 19 faces of brake pad on brake pad 15 and friction disk 6 and the shell by the power that pulls rope; thereby the rotating speed of control main shaft 13; make main shaft 13 begin to rotate with a lower rotating speed; along with ejecting with pawl cover 9, the starting dog on the rotary pawl dish 11 of main shaft 13 is connected; because rotating speed is lower; impact force was very little when starting dog was connected with pawl cover 9, had protected starting dog and pawl cover 9.After this pull on kinetic friction piece 15, the arc surface of brake pad 19 on brake pad 15 and friction disk 6 and the shell is no longer fitted, and the rotating speed of main shaft 13 increases immediately, is enough to drive engine starting, behind engine starting, the energy of wind spring 8 has discharged, and main shaft 13 rotating speeds reduce, and the rotating speed of pawl dish 11 also reduces, the rotating speed height of the rotating ratio pawl dish 11 of pawl cover 9, in the starting dog automatic drawing back pawl dish 11, break away from pawl cover 9, starter is finished the starting task.Utilize stay cord 26 can the realization personnel stand in the wind spring 8 of controlling starter in the outer suitable position of certain distance release can, more convenient.

The advantage that internal-combustion engine wind spring no surge start utensil of the present utility model has is safe, laborsaving, conveniently control, the life-span is long, be applied to effective starting that can guarantee agricultural equipment on the agricultural equipment, prolong starter and service life of engine, can also allow the little crowd of more strength also can shake this starter cranking internal combustion engine, applicable surface is extensive.

Claims (2)

1. internal-combustion engine wind spring no surge start device, comprise rocking handle, rocking handle socket, shell, small gear, gearwheel, friction disk, wind spring dish, wind spring, disk cover, main shaft, pawl dish, pawl disk cover, pawl cover, brake slipper, brake pad, little spring, it is characterized in that: the axle of small gear passes case body, is connected with key with the rocking handle socket; Main shaft one end is inserted in the bearing hole on the shell, from then on holds to the other end and places gearwheel, friction disk, wind spring dish, wind spring, disk cover, pawl dish, pawl disk cover successively; The friction disk edge is symmetrical arranged two movably wedge shape brake pad and friction disk applyings, and two arc surfaces of brake pad simultaneously paste friction disk, brake pad on the shell on the another side subsides starter shell; The rear end of brake pad rear and front end face is connected with the little spring on being fixed on shell, and front end is connected with stay cord with brake slipper; The tooth of brake slipper and gearwheel engagement, gearwheel and pinion.

2. internal-combustion engine wind spring no surge start device as claimed in claim 1, it is characterized in that: brake pad all is a wedge shape on brake pad and the shell, and the big rear end of brake pad front end is little, the little rear end of brake pad front end is big on the shell.

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