CN1493784A

CN1493784A - Kick starter for engine

Info

Publication number: CN1493784A
Application number: CNA031585965A
Authority: CN
Inventors: 白石安则; 林田大; 小林则章; ֮; 木本清治; 津田裕之
Original assignee: Kubota Corp
Current assignee: Kubota Corp
Priority date: 2002-09-30
Filing date: 2003-09-19
Publication date: 2004-05-05
Anticipated expiration: 2023-09-19
Also published as: JP3749886B2; KR20040028514A; CN100513769C; JP2004116501A

Abstract

A recoil starter of an engine is provided to simply correct discrepancy of a counted value of an elastic body winding frequency-measuring unit and the real frequency of winding a power accumulating elastic body. In a recoil starter of an engine, a starting rope(34) is wound around a recoil reel(1). An input-side one-way rotating motor unit, an input wheel, a power accumulating elastic body, an output wheel(5), an output-side one-way rotating motor unit(6) are successively interposed in the recoil reel, to interlock a starting shaft of the engine. The recoil starter comprises a reverse rotation-preventing unit preventing reverse rotation of the input wheel; a lock mechanism(10) restricting rotation of the output wheel; an elastic body winding frequency-measuring unit measuring the winding frequency of the power accumulating elastic body; and a lock release unit(12) releasing the lock mechanism if the winding frequency of the power accumulating elastic body reaches the desired winding frequency. The recoil starter has a measuring reset unit(70) resetting the elastic body winding frequency-measuring unit, and a manual release lever manually releasing the lock mechanism.

Description

The Recoil starter of motor

Technical field

The present invention relates to a kind of Recoil starter of motor.

Background technique

Past, as the Recoil starter of motor, the Recoil starter that has patent documentation 1 to be put down in writing.It is configured as follows.

Twining the bent axle that is connecting motor on the recoil spool stand of starting rope successively by the unidirectional rotary actuator of input side, wheel for inputting, power savings with disc spring, output wheel, the unidirectional rotary actuator of outlet side linkedly.

Above-mentioned wheel for inputting is bearing on the fixing part by pivot, prevents its reverse by Kickback preventing device simultaneously.

And, on this Recoil starter, be provided with locking framework, spring batches number of times measuring apparatus, latch-release device, above-mentioned locking framework is used to stop the rotation of above-mentioned output wheel, above-mentioned spring batches the number of times measuring apparatus and is used to measure the batch number of times of power savings with disc spring, when above-mentioned latch-release device has reached target and batches number of times with the curling number of times of disc spring at power savings, remove above-mentioned locking framework.

In the prior art of this patent documentation 1 record, in order to discharge the savings power of power savings with disc spring, do not need the special manually-operable of the switching etc. of bar, and when power savings has reached target and batches number of times with the curling number of times of disc spring, automatically discharge savings power, therefore raising user's advantages such as convenience are arranged.

[patent documentation 1]

The real openly 7-17810 communique of Japan.

But, in the prior art of this patent documentation 1 record,, spring batches the suitable position of number of times if batching the number of times miss the mark that batches of number of times measuring apparatus, and then do not remove locking framework, thereby produced following problem.

Promptly, because action is bad etc., when making power savings that spring batches number of times measuring apparatus metering, in above-mentioned prior art, do not correct so inconsistent preparation easily with batching power and put aside number of times with disc spring deviation is arranged in the count value of batching number of times of disc spring and the reality.

When in such variable in inconsistent, that spring batches the number of times measuring apparatus shows than reality, batching the value that the power savings lacks with the number of times of disc spring, as mentioned above, because above-mentioned disc spring must be batched spring batches the number of times measuring apparatus and reaches target and batch till the suitable position of number of times in order to unlock mechanism, therefore, disc spring is batched the limit sometimes.When the power savings had been batched the limit with disc spring, the pulling process of starting rope can not further carry out, and when operating by force, causes the accident of fault or breakage etc.

In addition, when in the variable that spring batches the number of times measuring apparatus shows than reality, batching the power savings with often the value of disc spring, even spring batches the variable of number of times measuring apparatus and has reached target and batch number of times, in reality, do not have to form the savings power that is equivalent to it yet, have owing to the not enough danger that causes the engine start failure of savings power.

Summary of the invention

The objective of the invention is to solve problem as described above, the Recoil starter of the motor of first technological scheme of the present invention,

Go up coiling starting rope (34) at recoil spool stand (1),

The starting shaft (7) that on this recoil spool stand (1), is sequentially connecting motor with elastomer (4), output wheel (5), the unidirectional rotary transfer apparatus of outlet side (6) linkedly by the unidirectional rotary actuator of input side (2), wheel for inputting (3), power savings

Be provided with: prevent the Kickback preventing device (8) that above-mentioned wheel for inputting (3) reverses;

The locking framework (10) that stops the rotation of above-mentioned output wheel (5);

Measure above-mentioned power savings and batch number of times measuring apparatus (11) with the elastomer that batches number of times of elastomer (4);

The number of times of putting aside with elastomer (4) at above-mentioned power that batches has reached the latch-release device (12) of removing above-mentioned locking framework (10) when target is batched number of times,

It is characterized in that,

Be provided with the metering resetting means (70) that the above-mentioned elastomer that resets batches number of times measuring apparatus (11), and be provided with manual relieving rod (90) by the above-mentioned locking framework of manual releasing (10).

In first technological scheme of the invention described above, owing to reaching outside the latch-release mechanism (12) of the mechanism (10) that automatically unlocks when target is batched number of times at the number of times that batches of power savings with elastomer (4), also be provided with manual relieving rod (90) with the mechanism (10) that manually unlocks, therefore, even also can be under in addition the situation during with the batching number of times and reached that target is batched number of times of elastomer (4) by the mechanism that manually unlocks (10) at power savings.Therefore, for example the power savings that batches number of times measuring apparatus metering by elastomer shows when having batched power in the reality and put aside the value that the number of times with elastomer (4) lacks with the variable that batches number of times of elastomer (4), even the power savings is batched near the limit with elastomer (4), if with manual relieving rod (90) with the mechanism that manually unlocks (10), then can discharge the savings power of power savings, can avoid the state of affairs of further pull-up running rope (30) with elastomer (4).In addition, in first technological scheme of the present invention, owing to be provided with and make elastomer batch the metering resetting means (70) that the number of times measuring apparatus resets, therefore, if the count value that makes elastomer batch the number of times measuring apparatus by this metering resetting means (70) resets, then above-mentioned elastomer can be batched number of times measuring apparatus (11) and return original state.The scale (count value) that can make elastomer batch number of times measuring apparatus (11) like this uses the number of times of elastomer (4) consistent with the power savings that batched in the reality.

The feature of second technological scheme of the present invention is, promptly, in first technological scheme of the invention described above, above-mentioned metering resetting means (70) constitutes and the rotation of the rollback of the spool stand that recoils (1) rollback starting rope (34) makes above-mentioned elastomer batch number of times measuring apparatus (11) to reset linkedly.

In second technological scheme of the invention described above, owing to making above-mentioned elastomer batch number of times measuring apparatus (11) linkedly, the rollback rotation with recoil spool stand (1) rollback starting rope (34) resets, reset and do not need rollback starting rope (34) special operation in addition in order to make above-mentioned elastomer batch number of times measuring apparatus (11), improved user's convenience.

The 3rd technological scheme of the present invention, it is characterized in that in above-mentioned first technological scheme or second technological scheme, consubstantiality ground does not constitute above-mentioned manual relieving rod (90) and locking framework (10), simultaneously available at least manual manual relieving rod (90) is switched to removed position (R) and non-releasing position (D), when above-mentioned manual relieving rod (90) is in releasing position (R), remove above-mentioned locking framework (10), when above-mentioned manual relieving rod (90) is in non-releasing position (D), does not constitute and interfere with the action of above-mentioned locking framework (10).

In the 3rd technological scheme of the present invention, because consubstantiality ground does not constitute manual relieving rod (90) and locking framework (10), and when manually relieving rod (90) is in non-releasing position (D), do not interfere with the action of locking framework (10), therefore, if when common start-up function, make manual relieving rod (90) become non-releasing position (D) in advance, then can cut off from the transmission of power of locking framework (10), can prevent that the manual relieving rod (90) and the action interlock of locking framework (10) from moving to manual relieving rod (90).

The 4th technological scheme of the present invention is characterized in that, in the 3rd technological scheme of the invention described above, suppresses above-mentioned manual relieving rod (90) by spring (93) to non-releasing position (D).

In the 4th technological scheme of the present invention, owing to suppress above-mentioned manual relieving rod (90) to non-releasing position (D) by spring (93), the state of affairs that can avoid manual relieving rod (90) unexpectedly to be switched to removing position (R) and remove the locking of output wheel (5).

The 5th technological scheme of the present invention is characterized in that, is constituted as follows.

That is, above-mentioned the 3rd technological scheme or the described Recoil starter of the 4th technological scheme are accommodated in the starter housing (33),

Freely constitute this starter housing (33) with respect to engine body (30) with loading and unloading,

When above-mentioned manual relieving rod (90) is in non-releasing position (D) at least, above-mentioned starter housing (33) can not be unloaded from engine body (30).

Formed in elastomer (4) under the constant situation of the state of the power of putting aside at power savings, when engine body (30) unloads starter housing (33) if because which knock-on makes and decides mechanism (10) and be disengaged, therefore then output wheel (5) rotation is suddenly noted for its action need.

But, if as the 5th technological scheme of the present invention, constitute, then when manually relieving rod (90) is in non-releasing position (D), owing to above-mentioned starter housing (33) can not be unloaded from engine body (30), therefore, in power is put aside with elastomer (4), formed and put aside under the constant situation of power state, starter housing (33) can not have been taken off from engine body (30).Therefore, the safety in the time of can guaranteeing to keep in repair etc.

The 5th technological scheme of the invention described above as the 6th technological scheme is put down in writing, when manual relieving rod (90) being switched to releasing position (R), preferably makes above-mentioned starter housing (33) unload from engine body (30).

In addition, preferably, as the 7th technological scheme of the present invention is put down in writing, above-mentioned manual relieving rod (90) is attached to starter housing (33) side, be provided with in above-mentioned engine body (30) side simultaneously and unload limitation part (94), when above-mentioned manual relieving rod (90) is in non-releasing position (D) under the state that above-mentioned starter housing (33) has been installed on the engine body (30), by the above-mentioned disengaging of unloading limitation part (94) limit manual relieving rod (90), above-mentioned starter housing (33) can not be unloaded from engine body (30).

Description of drawings

Fig. 1 is the vertical profile front view of embodiments of the invention.

Among Fig. 2, Fig. 2 (A) is the II-II line sectional drawing of Fig. 1, and Fig. 2 (B) is the B-B line sectional drawing among Fig. 2 (A).

Fig. 3 is the III-III line sectional drawing of Fig. 1, and the expression spring batches the state that the number of times measuring apparatus is positioned at initial position.

Fig. 4 is the figure that has removed locking device 21 from Fig. 3.

Fig. 5 is the figure that has removed second ratchet 52 from Fig. 4.

Fig. 6 is the figure that will measure the state of using a pawl amount of ratchet 15 feedings pitch from the state pull-up running rope 34 of Fig. 3.

Fig. 7 is the figure that the manual relieving rod 90 of expression is in the state when removing position R.

Fig. 8 is the VIII-VIII line sectional drawing among Fig. 3.

Fig. 9 is the IX-IX line sectional drawing among Fig. 3.

Figure 10 is that the X-X alignment among Fig. 3 is looked enlarged view.

Figure 11 is used for explanation with the figure of starter housing 33 from the motion of the manual relieving rod 90 of supporting mass 36 (engine body) when unloading.

Among Figure 12, Figure 12 (A) is the front view of wheel for inputting 3, and Figure 12 (B) is the B-B line sectional drawing among Figure 12 (A).

Among Figure 13, Figure 13 (A) is from starting pusher side to watch spring to batch the figure (but having omitted the locking framework 21 and first ratchet 51) of number of times measuring apparatus 11.Figure 13 (B) represents the portion that wants of Figure 13 (A), and is the figure of the motion of expression feeding pawl 14.

Embodiment

Below, with reference to accompanying drawing embodiments of the invention are described.Fig. 1 is the vertical profile front view of embodiments of the invention, Fig. 2 (A) is the II-II line sectional drawing of Fig. 1, Fig. 2 (B) is the B-B line sectional drawing among Fig. 2 (A), Fig. 3 is the III-III line sectional drawing of Fig. 1, the expression spring batches the state that the number of times measuring apparatus is positioned at initial position, Fig. 4 is the figure that has removed locking device 21 from Fig. 3, Fig. 5 is the figure that has removed second ratchet 52 from Fig. 4, Fig. 6 is the figure that will measure the state of using a pawl amount of ratchet 15 feedings pitch from the state pull-up running rope 34 of Fig. 3, Fig. 7 is the figure that the manual relieving rod 90 of expression is in the state when removing position R, Fig. 8 is the VIII-VIII line sectional drawing among Fig. 3, Fig. 9 is the IX-IX line sectional drawing among Fig. 3, Figure 10 is that the X-X alignment among Fig. 3 is looked enlarged view, Figure 11 is used for explanation with the figure of starter housing 33 from the motion of the manual relieving rod 90 of supporting mass 36 (engine body) when unloading, among Figure 12, Figure 12 (A) is the front view of wheel for inputting 3, Figure 12 (B) is the B-B line sectional drawing among Figure 12 (A), among Figure 13, Figure 13 (A) is from starting pusher side to watch spring to batch the figure (but having omitted the locking framework 21 and first ratchet 51) of number of times measuring apparatus 11.Figure 13 (B) represents the portion that wants of Figure 13 (A), and is the figure of the motion of expression feeding pawl 14.In this manual, the paper in the face of Fig. 1 with the right-hand the place ahead that is decided to be, is decided to be the rear with left.

In Fig. 1, reference character 7 is bent axles of forced air-cooled four-stroke gasoline engine, and reference character 33 is flywheel fans.Flywheel fan 31 is incorporated in the blower-casting 30 of a part that constitutes engine body.

End at this bent axle 7 is provided with starter motor belt pulley 32.This starter motor belt pulley 32 is fixed on the bent axle 7, is rotated integratedly with bent axle 7.

The Recoil starter of embodiments of the invention has a distolateral starter housing 33 that is located at above-mentioned bent axle 7.This starter housing 33 can be assembled on the supporting mass 36 of ring-type by bolt 37 with freely loading and unloading, and this annular support body 36 is fixed on the blower-casting 30.Has fixing part 9 with above-mentioned bent axle 7 arranged coaxial in these starter housing 33 inside.

On this fixing part 9, sequentially rotate freely extraterrestrial embedding respectively and recoil winding part 1 and wheel for inputting 3 and output wheel 5 from the place ahead.Wherein, on recoil winding part 1, twining starting rope 34.And, between recoil winding part 1 and starting housing 33, be provided with the winding part rollback with disc spring 35, when pull-up running rope 34, return with under the recuperability effect of disc spring 35 at this winding part, starting rope 34 is rapped around on the recoil winding part 1.In this manual, as shown in Figure 2, the direction X that will be rotated for the pulling process recoil winding part 1 that helps starting rope 34 is as the positive veer of recoil winding part 1, will be owing to just changeing of this winding part 1 transmitted, wheel for inputting 3 has direction X (with reference to Fig. 3) that output wheel 5 is rotated again respectively as the positive veer of wheel for inputting 3 or output wheel 5.

Folder is being established the unidirectional rotary transfer apparatus 2 of input side as illustrated in fig. 2 between recoil winding part 1 and wheel for inputting 3.The unidirectional rotary transfer apparatus 2 of this input side has pawl 38 and butt joint edge 39, and this pawl 38 is located on the ear end face (end faces of wheel for inputting 3 sides) of recoil winding part 1, and this butt joint edge 39 is located on the periphery of front-end face (end face of winding part 1 side that recoils) of wheel for inputting 3.This pawl 38 is suppressed to foreign side by not shown spring, when pull-up running rope 34, this pawl 38 with dock edge 39 butt joint, the rotation of recoil winding part 1 is passed to wheel for inputting 3, but, when the rollback action of carrying out starting rope 34, above-mentioned pawl 38 is disengaged with the butt joint of docking edge 39, and the rotation of recoil winding part 1 is not passed to wheel for inputting 3.

Above-mentioned wheel for inputting 3 is prevented to reverse by the Kickback preventing device 8 that is interrupted convolution as shown in Figure 2, and this interruptions convolution Kickback preventing device 8 has the reverse that is located at fixing part 9 sides to be prevented to prevent usefulness pawl 25 with ratchet 24, the reverse that is located at wheel for inputting 3 sides.Above-mentioned reverse prevents from not to be embedded on the fixing part 9 with ratchet 24 is outer revolvably, extends 4 reverses outward from its central part simultaneously and prevents with connecting part 41.Each reverses to prevent to be set across 90 intervals of spending roughly with connecting part 41 and is crosswise.Each reverses and to prevent the cross section that has general triangular with connecting part 41 shown in Fig. 2 (B), have the face of the dodging 41a and the junction plane 41b that have inclination, the face of the dodging 40a (when directions X rotates) when wheel for inputting 3 is just changeing that has inclination is used to dodge reverse prevents that with pawl 25 (when the Y direction is rotated) prevented to combine with pawl 25 with reverse when above-mentioned junction plane 41b reversed at wheel for inputting 3.Reverse prevents to be housed in the space between the front-end face of recoil ear end face of winding part 1 and wheel for inputting 3 with ratchet 24.In addition, reverse prevents from can freely to haunt from the front-end face of wheel for inputting 3 with pawl 25, is rotated with wheel for inputting 3.In the present embodiment, being provided with 2 reverses prevents with pawl 25.Each reverses to prevent to be set to the rotating center with wheel for inputting 3 is clipped in pawl 25 quilts and is roughly point-symmetric position therebetween.

The result of such formation, reverse prevents to desire when directions X just changes at wheel for inputting 3 with pawl 25, recede in the wheel for inputting 3 by the above-mentioned face 41a that dodges, therefore, can carry out the just commentaries on classics of wheel for inputting 3, but, to desire when the Y direction reverses at wheel for inputting 3, the outstanding state of maintenance is constant to be prevented to combine the reverse that stops wheel for inputting 3 with the junction plane 41b of connecting part 41 with reverse.But, because reversing, each prevents from be configured with the interval of connecting part 41 across 90 degree, and owing to reverse prevents to be configured on the roughly point-symmetric position with the rotating center of pawl 25 with respect to wheel for inputting 3, therefore, prevent with pawl 25 that in reverse with before junction plane 41b combine, wheel for inputting 3 maximums can reverse about 90 and spend.

This first embodiment's power savings is made of disc spring with elastomer 4.This power savings is housed in the space between wheel for inputting 3 and the output wheel 5 with disc spring 4, and its outer end is fixed on the output wheel 3, and its inner end is fixed on the output wheel 5.

Folder is being established the unidirectional rotary transfer apparatus 6 of outlet side between output wheel 5 and bent axle 7.The unidirectional rotary transfer apparatus 6 of this outlet side is that the rotation with output wheel 5 is delivered to bent axle 7, and as shown in figures 1 and 3, mechanism constitutes by centrifugal clutching.That is, with the starter motor belt pulley 32 of above-mentioned bent axle 7 one rotation on pivot supporting by the inside centrifugal pawls 44 that suppress of side of spring 43, in addition, on the ear end face of output wheel 5, be provided with the pawl receiving portion 45 that can combine with this centrifugal pawl 44.And, till the rotational speed of bent axle 7 arrives fixing speed, centrifugal pawl 44 is accepted 45 with pawl and is in bonding state, but when being rotated into of bent axle 7 for fixing speed when above, centrifugal pawl 44 shakes to foreign side under the action of centrifugal force that the rotation by bent axle 7 produces, and centrifugal pawl 44 is disengaged with combining of pawl receiving portion 45.

On the Recoil starter of present embodiment, be provided with the locking framework 10 of the rotation that is used to stop output wheel 5.This locking framework 10 has sticking department 20 that is located on the output wheel 5 and the locking device 21 that freely loads and unloads with respect to this sticking department 20.Above-mentioned sticking department 20 constitutes the recess on the ear end face that is located at output wheel 5.On the periphery of this recess with the ear end face that uniformly-spaced is located at output wheel 5.Shown in Fig. 3～5, in the present embodiment, be provided with 4 such recesses, wherein, in 2 recesses of the position that is in the rotating center point symmetry that clips output wheel 5, install/unload freely obstruction component 26 by bolt stifled above-mentioned recess.What therefore, play sticking department 20 effect is two positions on stifled by this obstruction component 26 not.The rotating center that the recess that plays 20 effects of this sticking department also clips output wheel 5 is in point-symmetric position.In the present embodiment, by above-mentioned recess, can rotate near 180 with output wheel 5 before sticking department 20 combines at locking device 21 and to spend (about half-turn) by obstruction component 26 is suitably stifled.

In addition, locking device 21 is freely shaken pivot and is bearing on the first pivot supporting axle 47, and this first pivot supporting axle 47 is fixed on starter housing 33.Locking device 21 constitutes changeable be locked position and latch-release position, when above-mentioned locking device 21 is in locked position, combine the rotation that stops output wheel 5 with sticking department 21, and when above-mentioned locking device 21 is in the latch-release position, discharge sticking department 20, can make the rotation of output wheel 5 become freedom.The first pivot supporting axle 47 is being set up along its fore-and-aft direction in starter housing 33.

Above-mentioned locking device 21 suppresses device 48 by locked position and suppresses to the locked position direction.Locked position in the present embodiment is suppressed device 48 and is made of extension spring, combined starter housing 33 sides that are fixed on of these extension spring 48 one ends, and its other end is combined to be fixed on the locking device 21.

This locking device 21 has arm 21a.This arm 21a stretches out towards pivot supporting axle 57 described later, when locking device 21 is switched to locked position, is suspended on the second pivot supporting axle 57.This arm 21a limits locking device 21 shaking more than locked position direction certain by being suspended on the second pivot supporting axle 57.

On this locking device 21, be provided with first effector 22 and second effector 23.Wherein, first effector 22 hangs down towards the below from the middle part of the arm 21a of locking device 21 and is establishing.In addition, second operand 23 is located at the front end of locking device 21.Locking device 21 contacts with latch-release device 12 described later in this first effector 22 or second effector 23, accepts its driving.

This Recoil starter has metering power savings and batches number of times measuring apparatus 11 with the spring that batches number of times of disc spring 4, this spring batch number of times measuring apparatus 11 have the feeding pawl 14 that is located on the wheel for inputting 3, by the metering of these feeding pawl 14 pitch feedings (quarter, body sent り) with ratchet 15, will measure with ratchet 15 and put the ratchet mechanism of staying on each counting position 49.This ratchet mechanism 49 have with above-mentioned metering with ratchet 15 one rotations residual put with ratchet 50, with this residual first ratchet 51 and second ratchet 52 that combines with ratchet 50 of putting.

Wherein, the feeding pawl 14 that is located on the wheel for inputting 3 constitutes as follows.That is, as Figure 12 and shown in Figure 13, this feeding pawl 14 is housed in the recess on the outer circumferential face of establishing wheel for inputting 3, rises and falls and is freely being supported by pivot, is suppressed towards the radial direction foreign side of wheel for inputting 3 by torsion spring 55 simultaneously.And, wheel for inputting 3 with power savings with disc spring 4 when the direction X of the savings power rotation (, during the just commentaries on classics of wheel for inputting 3), this feeding pawl 14 erects, pitch feeding metering described later ratchet 15, and at wheel for inputting 3 during to its contrary direction Y rotation, this feeding pawl 14 is owing to lodge with measuring to contact with ratchet 15.

Above-mentioned metering is rotated freely the ground pivot with ratchet 50 and is bearing on the second pivot supporting axle 57 with ratchet 15 and residual putting, and is rotated integratedly, and this second pivot supporting axle 57 is fixed on the starter housing 33.This second pivot supporting axle 57 is set up along its fore-and-aft direction in starter housing 33, with the above-mentioned first pivot supporting axle, 47 almost parallels.

In the present embodiment, as shown in Figure 2, because two feeding pawls 14 are located on the outer circumferential face of wheel for inputting 3, owing to turning around of wheel for inputting 3, metering uses ratchet 15 by two pawl amount pitch feedings.

Residually be provided with latch-release device 12 on putting with ratchet 50 above-mentioned.This latch-release device 12 during with the batching number of times and reached target and batch number of times of disc spring 4, is removed above-mentioned locking framework 10 at power savings, and in addition, when spring batched number of times measuring apparatus 11 and is in initial position, mechanism 10 unlocked.

Specifically, above-mentioned latch-release device 12 rotates integratedly with residual putting with ratchet 50 (and metering ratchet 15), metering is fed pawl 14 pitch feedings with ratchet 15, when having arrived target and batched number of times, contact and drive this first effector 22 with first effector 22 on being located at above-mentioned locking device 21, locking device 21 is switched to the latch-release position from locked position.In addition, when being made metering reset to initial position with ratchet 15 by metering resetting means 70 described later, above-mentioned latch-release device 12 drives above-mentioned second effector 23 and locking device 21 is switched to the latch-release position from locked position.And, in the present embodiment, the pulling process by starting rope 34 make wheel for inputting 3 rotation, metering with ratchet 15 from initial position by the pitch feeding during one pawl amount, locking device 21 can combine (with reference to Fig. 6) with sticking department 20.

In the present embodiment, this latch-release device 12 is constituted one with residual putting with ratchet 50, be integral but also can constitute respectively.In addition, on measuring, also latch-release device 12 can be set with ratchet 15.

First ratchet 51 and second ratchet 52 are bearing on the above-mentioned first pivot supporting axle 47 by pivot, sequentially arrange from the place ahead of Recoil starter first ratchet 51, second ratchet 52, locking device 21 are being set.Wherein, first ratchet 51 is given elastic force by extension spring 61 to being locked in above-mentioned residual putting with the direction on the ratchet 50.These extension spring 61 one ends are combined to be fixed on first ratchet 51, combined starter housing 33 sides that are fixed on of its other end.

In addition, second ratchet 52 is applied elastic force by extension spring 62 towards being locked in residual putting with the direction on the ratchet 50.These extension spring 62 one ends are combined to be fixed on second ratchet 52, and its other end is combined to be fixed on (with reference to Fig. 3, Fig. 4) on the above-mentioned locking device 21.Also be provided with input part 52a on this second ratchet 52, this input part 52a by be located at locking device 21 on notch part 21c combine and shaking of locking device 21 be delivered to second ratchet 52.Promptly, first effector 22 of above-mentioned latch-release device 12 and locking device 21 or second effector 23 contact and push they with locking device 21 when locking device switches to the latch-release device, shaking by above-mentioned notch part 21c of this locking device 21 is passed to second ratchet 52 with combining of input part 52a.Remove second ratchet 52 and put combining by second ratchet 52 being shaken erect with ratchet 50 with residual.In addition, when locking device 21 is in the latch-release position.Second ratchet 52 is also safeguarded with combining of notch part 21c by input part 52a and is removed and residual fastening releasing posture of putting with the fastening of ratchet 50.In addition, when the latch-release position was switched to locked position, second ratchet 52 was also put with on the ratchet 51 residual by input part 52a and its interlock, combined fastening at locking device 21.

On the Recoil starter of present embodiment, be provided with metering resetting means 70, this metering resetting means 70 rotates rollback starting rope 34 according to recoil winding part 1 to the rollback direction, the count value of batching number of times that the power that makes elastomer batch 11 meterings of number of times measuring apparatus is put aside with elastomer 4 resets.This metering resetting means 70 has above-mentioned metering is suppressed device 71, is located at recoil resetting with initiative part 72, be located at the resetting usefulness follower 73 on above-mentioned first ratchet 51 on the winding part 1 to the initial position that initial position suppresses with ratchet 15.

Wherein initial position suppresses device 71 as Fig. 1 with shown in Figure 8 first torsion spring constitutes on the second pivot supporting axle 57 by being wound on, and an end of this first torsion spring 71 is fixed on starter housing 33 sides, and its other end is fixed on metering with on the ratchet 15.When this initial position suppresses device 71 and has been disengaged with residual fastening of putting with ratchet 50 in above-mentioned first ratchet 51 and 52 liang of sides of above-mentioned second ratchet, make metering reset to initial position with ratchet 15 rotations.As Fig. 3～shown in Figure 5, suppress metering that device 71 causes by above-mentioned initial position and reset with certain above rotation of ratchet 15 by being located at carriage 76 restriction on the starter housing 33, this carriage 76 and metering are decided to be with ratchet 15 position contacting measures the initial position of using ratchet 15 (with reference to Fig. 3～Fig. 5).

Above-mentioned resetting constitutes equally spaced protuberance on the periphery of the outstanding ear end face that is arranged on recoil winding part 1 with initiative part 72.In addition, resetting constitutes in conjunction with the other end that is stopped at second torsion spring 78 on first ratchet 51 with follower 73 one ends, and this other end becomes the liberation end.This second torsion spring 78 extends downwards working its liberation end that resets with follower 73 effect after being wound on the above-mentioned pivot supporting axle 47, when 1 rotation of recoil winding part, contacts and accepts its driving with initiative part 72 with resetting.Thus, the rotation of recoil winding part 1 is passed to first ratchet 51 with initiative part 72 with the contacting of follower 73 that reset by resetting.But, X when recoil winding part 1 is just changeing, drive this and reset with resetting to contact with initiative part 72 even reset with follower 73 with follower 73, since this driving force by second torsion spring 78 to making first ratchet 51 in conjunction with being stopped at residual putting with the directive effect on the ratchet 50, therefore, first ratchet 51 is kept with residual putting with the stop that combines of ratchet 50, but Y when recoil winding part 1 reverses (when the rollback of recoil winding part 1 rollback starting rope 34 rotates), reset with follower 73 with initiative part 72 drivings by resetting, erect and first ratchet 51 is shaken, first ratchet 51 is disengaged with the residual stop that combines of putting with ratchet 50.

On the Recoil starter of present embodiment,, be provided with manual relieving rod 90 by the above-mentioned locking framework 10 of manual releasing as Fig. 3, Fig. 6, Fig. 7, shown in Figure 8.This manual relieving rod 90 is configured with respect to locking framework 21 with being integral in addition, as Fig. 9 and shown in Figure 10, freedom is joltily being supported by pivot on the pivot supporting axle 92 on the carriage 91 interting, and this carriage 91 is fixed (spot welding in the present embodiment) on the inner face of starter housing 33.The handle 91a of this manual relieving rod 90 passes the 33a of window portion of starting housing 33 and is exposed to outside the starter housing 33.

This manual relieving rod 90 is the parts that are used for by manually above-mentioned locking device 21 being switched to the latch-release position, switch to releasing position R shown in Figure 7 and Fig. 3 or non-releasing position D shown in Figure 6, when this manual relieving rod 90 is in releasing position R, promote above-mentioned locking device 21 and this is switched to the latch-release position, in addition, when above-mentioned manual relieving rod 90 is in non-releasing position D, escape to and above-mentioned locking device 21 discontiguous positions.That is, when above-mentioned manual relieving rod 90 is in non-releasing position D, it is not interfered with the action of locking device 21.This manual relieving rod 90 is suppressed to non-releasing position D by torsion spring 93.

In addition, on the supporting mass 36 of engine body 30 sides that starter housing 33 is installed, as shown in Figure 10 and Figure 11, be provided with notch 94, when manually relieving rod 90 is in non-releasing position D, enter this notch 94, when manually relieving rod 90 is in releasing position R, goes out and liberated from this notch 94.This notch 94 is when being used under the state that starter housing 33 is installed on the supporting mass 36 that manually relieving rod 90 is in non-releasing position D, starter housing 33 is unloaded from supporting mass 36.In the present embodiment, when manually relieving rod 90 is in non-releasing position D, owing to enter the disengaging that notch 94 comes limit manual relieving rod 90, even take down bolt 37, starter housing 33 can not unload from supporting mass 36, has only manual relieving rod 90 switched to and just can unload starter housing 33 (with reference to Figure 11) after removing position R.In the present embodiment, this notch 94 play a part limit manual relieving rod 90 when unloading starter housing 33 disengaging unload limitation part.

The Recoil starter of present embodiment is following to move like that.At first common starting action is described.When carrying out common start-up function, do not need to use manual relieving rod 90 in principle.

Now, suppose that motor is stopping, the situation that from then on makes engine start is (with reference to Fig. 3～Fig. 5).Starting rope 34 is by on recoil winding part 1.Metering is in initial position with ratchet 15.First ratchet 51 is stopped at residual putting with on the ratchet 50 combined under the effect of the elastic force of extension spring 60.

At this moment, locking device 21 is promoted second effector 23 and is maintained at the latch-release position by latch-release device 12 as shown in Figure 3.Therefore, the locking of output wheel 5 is in the state that is disengaged, and does not form any savings power on power is put aside with disc spring 4.In addition, second ratchet 52 is releasing and the residual posture that combines stop of putting with ratchet 50 by the be combined into of notch part 21c and input part 52a.

At this, the centrifugal pawl 44 of the unidirectional rotary actuator 6 of outlet side does not combine with pawl receiving portion 45.At this moment, when pull-up running rope 34, recoil winding part 1 rotates to positive veer X, and the rotation of this recoil winding part 1 is delivered to output wheel 5 by the unidirectional rotary actuator 2 of input side, wheel for inputting 3, power savings with disc spring 4, and output wheel 5 is rotated to directions X.Its result, the pawl receiving portion 45 that is located on the output wheel 5 is also rotated, the possibility that is combined into of centrifugal pawl 44 and pawl receiving portion 45.

Like this, in the present embodiment, even the centrifugal pawl of the unidirectional rotary actuator 6 of outlet side 44 did not become bonding state originally with pawl receiving portion 45, pulling process by starting rope 34 also can make both combinations, therefore, both collision in the time of can avoiding the power savings to be released with the savings power of disc spring 4 by the locking of removing output wheel 5 can be eliminated breakage and noise.

In addition, when the pulling process by starting rope 34 made metering with ratchet 15 pitch feedings one pawl amount, locking device 21 was switched to locked position (with reference to Fig. 6).Thus, power savings becomes the state of the power of can putting aside with disc spring 4, as long as rotated by the pulling process wheel for inputting 3 of thereafter starting rope 34, then above-mentioned power is put aside and batched with spring 4.When the metering with ratchet 15 by pitch feeding one pawl amount, when locking device 21 is switched to locked position, with its interlock, second pawl 52 also in conjunction be stopped at residual put usefulness ratchet 50 on (with reference to Fig. 6).

The rotation of such wheel for inputting 3 is delivered to metering ratchet 15 by feeding pawl 14, again spacing feeding metering ratchet 15.And when power savings during with the batching number of times and reach target and batch number of times of disc spring 4, first effector 22 of latch-release device 12 promotion locking devices 21 switches to the latch-release position with locking device 21 from locked position.Thus, the locking of output wheel 5 is disengaged, and savings is released with the savings power on the disc spring 4 at the power savings, and wheel for inputting 5 is rotated.

The rotation of this output wheel 5 is delivered to bent axle 7 by the unidirectional rotary actuator 6 of outlet side.As mentioned above, because centrifugal pawl 44 has been in bonding state with pawl receiving portion 45, can with the savings power release of spring 4 both be collided or uncomfortable noise is made us in generation owing to the power savings.Like this, the rotation of output wheel 5 successfully is delivered to starter motor belt pulley 32 by pawl receiving portion 45 and centrifugal pawl 44, and makes bent axle 7 rotations, makes engine start.

Like this, in the present embodiment, with the pulling process interlock of starting rope 34 when above-mentioned elastomer batches number of times measuring apparatus 11 and arrived assigned position when one pawl amount (in feeding), above-mentioned locking framework 10 actions and locking output wheel 5.Therefore, the latch-release of the output wheel 5 when not only power savings batches number of times and reaches with the target of elastomer 4 is carried out but also is locked adding also being carried out automatically automatically, has improved user's convenience.

When the rotational speed of engine start, bent axle 7 becomes fixing speed when above, the centrifugal pawl 44 that is located on the starter motor belt pulley 32 that rotates with bent axle 7 one shakes to foreign side under action of centrifugal force, be disengaged with combining of pawl receiving portion 45, cut off getting in touch of bent axle 7 and output wheel 5 thus.

In addition, power savings with spring 4 batch number of times arrival target batch number of times, when locking device 21 has been switched to the latch-release position from locked position, interlock therewith, second ratchet 52 shakes and erects, and second ratchet 52 is disengaged with the residual stop that combines of putting with ratchet 50.

In the state that the rollback by the starting rope 34 that carries out of recoil winding part 1 does not begin, owing to be in latch-release device 12 is pushed to locking device 21 by first effector 22 state, locking device 21 is maintained at the latch-release position, in addition, second ratchet 52 continue to take to have removed with residual put with ratchet 50 combine stop in conjunction with the stop posture.

From this state, then begin the rollback action of starting rope 34.That is, recoil winding part 1 begins to carry out the direction inner rotary to starting rope 34 wraparounds under the effect of winding part rollback with disc spring 35.By the reverse of this recoil winding part 1, resetting resets with follower 73 with initiative part 72 drivings, and this driving force is delivered to first ratchet 51 by second torsion spring 78, it is shaken erect, and removes first ratchet 51 and the residual stop that combines of putting with ratchet 50.

Its result, metering suppresses at initial position with ratchet 15 that rotation resets to initial position under the effect of elastic force pressure of device 71.Interlock therewith, latch-release device 12 also rotate and leave from first effector 22 of locking device 21.Its result, lost from the locking device 21 of the supporting of below and be switched to locked position for the moment by the elastic force (deadweight) of the extension spring 48 of suppressing device as locked position, but when metering turns back to initial position with ratchet 15, latch-release device 12 promotes second effector 23, and locking device 21 is switched to the latch-release position once more.

As Fig. 3～Fig. 5 and shown in Figure 8, the 3rd torsion spring 80 of on the second pivot supporting axle 57, reeling.One end of the 3rd torsion spring 80 is in conjunction with being fixed on residual putting with on the ratchet 50, and its other end becomes free end, and this free end is contacted with locking device 21 along with metering is risen by the spacing feeding with the just commentaries on classics that ratchet 15 is driven in wheel for inputting 3 from the below.And, when metering is in target and batches the suitable position of number of times with ratchet 15, from lower support locking device 21.

The 3rd torsion spring 80 and metering with ratchet 15 to the interlock that resets of initial position, locking device 21 by from the latch-release position when locked position is switched, be used to make this switch motion to have the action hysteresis.Promptly, because the rollback action of recoil winding part 1, first ratchet 51 shakes and erects, thus, metering is rotated with ratchet 15 and is reset to initial position, but when locking device 21 and this rotation interlock are switched to locked position at once, in the state that the rotation of output wheel 5 does not fully stop, also can produce the situation that locking device 21 is switched to locked position.Its result, locking device 21 collides with sticking department 20, causes noise and breakage.Therefore, by the 3rd torsion spring 80 is set, make locking device 21 have time lag from the latch-release position to the switching of locked position, in the rotation of output wheel 5, locking device 21 is not switched to locked position.In Fig. 6, too complicated for fear of drawing, omitted the 3rd torsion spring 80.

Different with the start-up function of above explanation, produce following such situation.

Now, because certain bad phenomenon of the bad grade of action, the count value that spring batches number of times measuring apparatus 11 has shown than batching in the reality value that the power savings lacks with the number of times of spring 4, is done power put aside by the pulling of starting rope 34 and batches the limit with disc spring 4.When power savings is batched the limit with disc spring 4 quilts, further pull-up running rope 34.

Under these circumstances, when by manual manual relieving rod 9 being switched to when removing position R, as shown in Figure 7, locking device 21 is switched to the latch-release position, and near the power savings that is batched the limit is released with the savings power of disc spring.With the switching interlock of this locking device 21 to the latch-release position, second ratchet 52 shakes and erects, and has removed and the residual stop that combines of putting with ratchet 50.

When rollback starting rope 34 under this state, with the rollback rotation interlock of recoil winding part 1, first ratchet 51 also shakes and erects, separate divided by residual put with ratchet 50 in conjunction with stop.Therefore, become first ratchet 51 and second ratchet 52 and all be not combined in residual putting with the state on the ratchet 50.Metering is suppressed at initial position with ratchet 15 under the effect of elastic force pressure of device 71 and is reset to initial position.

Like this, savings is released with the savings power on the disc spring 4 at the power savings, and in addition, spring batches 11 rotations of number of times measuring apparatus and resets to initial position.Its result can make that to have batched the power savings in scale (counter value) that spring batches number of times measuring apparatus 11 and the reality consistent with the number of times of disc spring 4.

In the present embodiment, because consubstantiality ground does not constitute manual relieving rod 90 and locking device 21 respectively, and when manually relieving rod 90 is in non-releasing position D, do not interfere with the action of locking device 21, when common start-up function if make manual relieving rod 90 be in non-releasing position D in advance, then can cut off from the transmission of power of locking device 21, can avoid and the action interlock of locking device 21, the state of affairs of manual relieving rod 90 motions to manual relieving rod 90.

In addition, owing to manual relieving rod 90 is suppressed non-releasing position D, can prevent that manual relieving rod 90 from unexpectedly being switched to the state of affairs of removing position R and having removed the locking of output wheel 5 by torsion spring 93.

In addition, in the present embodiment, because even bolt 37 is taken down when manually relieving rod 90 is in non-releasing position D, can not unload starting housing 33 from supporting mass 36, when manually relieving rod 90 has switched to releasing position R, can take off starter housing 33 from supporting mass 36, therefore, before unloading starter housing 33, must discharge savings power.Therefore, the safety in the time of can guaranteeing to safeguard etc.

In the present embodiment, as mentioned above, because reversing, each of Kickback preventing device 8 prevent from be configured with the interval of connecting part 41 across 90 degree, reverse prevents to be configured to position with respect to the rotating center point symmetry of wheel for inputting 3 with pawl 25, therefore, before reverse prevented to use pawl 25 and junction plane 41b combines, wheel for inputting 3 maximums can contrary turn 90 degrees (with reference to Fig. 2).Therefore, when the pulling process of driver's Halfway Stopping starting rope 34, the situation of the above-mentioned angle of wheel for inputting 3 maximal reversal can be arranged also.But the feeding pawl 14 of present embodiment constitutes at wheel for inputting 3 and lodges owing to contacting with ratchet 15 with metering when reverse direction Y rotates, and therefore, can prevent that impact load from affacting feeding pawl 14 or metering is used on the ratchet 15.

More than embodiments of the invention are illustrated, but the present invention do not limit by the foregoing description, can suitably change in the scope of the main idea of invention and implement.For example, the Kickback preventing device 8 of wheel for inputting 3 is not limited to above-mentioned formation, also can constitute with the ratchet mechanism or the mono-directional overrun clutch of other structure.In the above-described embodiments, be that the situation of disc spring is illustrated to power savings with elastomer 4, but so long as can put aside the elastomer of power and get final product, for example also can torsion spring.The unidirectional rotary actuator 6 of outlet side is centrifugal clutches in the foregoing description, but is not limited to this, also can be dog-clutch and other device.In the above-described embodiments, rising and falling has freely constituted feeding pawl 14, but also can not be movable member but be fixed on the wheel for inputting 3.Metering resetting means 70 in the foregoing description is that the rollback rotation according to recoil winding part 1 rollback starting rope 34 makes above-mentioned elastomer batch the structure that number of times measuring apparatus 11 turns back to initial position, but also be not limited to such structure, in above-mentioned enforcement, on output wheel 5, be provided with 4 recesses, but also be not limited to 4, and the position with obstruction component 26 on stifled or its number are not limited to the record among the embodiment.In the foregoing description, in metering with ratchet 15 from initial position during by pitch feeding one pawl amount, output wheel 5 is locked, but also can constitute metering with ratchet 15 by 2 pawls of pitch feeding when above output wheel 5 locked, and, also can be to omit second effector 23 from the formation of locking device 21, when metering was in initial position with ratchet 15, locking device be in the structure of locked position.In addition, in the above-described embodiments, drive first effectors 22 or second effector 23 makes locking device 21 switch to the latch-release position from locked position by single latch-release device 12, but also can constitute first effector 22 and second effector 23 by dividing other member drives.The ratchet mechanism 49 of the foregoing description has first ratchet 51 and second ratchet 52, but also can only have first ratchet 51.In the above-described embodiments, manually relieving rod 90 does not constitute one with locking device 21, but can constitute one with locking device 21 yet.In addition, in the above-described embodiments, manually relieving rod 90 directly contacts with locking device 21 and drives it, presss from both sides the member of establishing other between the two at it and comes indirectly locking device 21 to be switched to the latch-release position but can constitute.In the above-described embodiments, manually the switching position of relieving rod 90 is to remove position R and these two positions of non-releasing position D, but also can be switched between the position more than 3 or 3.

Claims

1. the Recoil starter of a motor,

Go up coiling starting rope (34) at recoil spool stand (1),

The number of times of putting aside with elastomer (4) at above-mentioned power that batches has reached the latch-release device (12) of removing above-mentioned locking framework (10) when target is batched number of times, it is characterized in that,

Be provided with and make above-mentioned elastomer batch the metering resetting means (70) that number of times measuring apparatus (11) resets, and be provided with manual relieving rod (90) by the above-mentioned locking framework of manual releasing (10).

2. the Recoil starter of motor as claimed in claim 1, it is characterized in that, above-mentioned metering resetting means (70) constitutes, and makes above-mentioned elastomer batch number of times measuring apparatus (11) linkedly with the rollback rotation of recoil spool stand (1) rollback starting rope (34) and resets.

3. the Recoil starter of motor as claimed in claim 1 or 2, it is characterized in that, consubstantiality ground does not constitute above-mentioned manual relieving rod (90) and locking framework (10), available manual manual relieving rod (90) is switched to removed position (R) and non-releasing position (D) at least simultaneously, when above-mentioned manual relieving rod (90) is in releasing position (R), remove above-mentioned locking framework (10), when above-mentioned manual relieving rod (90) is in non-releasing position (D), does not constitute and interfere with the action of above-mentioned locking framework (10).

4. the Recoil starter of motor as claimed in claim 3 is characterized in that, by spring (93) above-mentioned manual relieving rod (90) is suppressed non-releasing position (D).

5. the Recoil starter of a motor is characterized in that, requires 3 or 4 described Recoil starters to be accommodated in the starter housing (33) aforesaid right,

Constitute this starter housing (33) with respect to engine body (30) automatic loading and unloading ground,

6. the Recoil starter of motor as claimed in claim 5 is characterized in that, when above-mentioned manual relieving rod (90) being switched to releasing position (R), above-mentioned starter housing (33) can be taken off from engine body (30).

7. as the Recoil starter of claim 5 or 6 described motors, it is characterized in that, above-mentioned manual relieving rod (90) is attached to starter housing (33) side, be provided with in above-mentioned engine body (30) side simultaneously and unload limitation part (94), when above-mentioned manual relieving rod (90) is in non-releasing position (D) under the state that above-mentioned starter housing (33) has been installed on the engine body (30), by the above-mentioned disengaging of unloading limitation part (94) limit manual relieving rod (90), above-mentioned starter housing (33) can not be unloaded from engine body (30).