CN1263949C

CN1263949C - Locked power accumulating starter

Info

Publication number: CN1263949C
Application number: CN 03102085
Authority: CN
Inventors: 纲川勲; 村上真之; 山下贵志
Original assignee: Showa Machine Ind Co Ltd
Current assignee: Showa Machine Ind Co Ltd
Priority date: 2002-08-02
Filing date: 2003-01-29
Publication date: 2006-07-12
Anticipated expiration: 2023-01-29
Also published as: CN1472436A; JP2004068639A

Abstract

To provide a new lock-type power accumulation starter for starting an internal combustion engine by accumulating the rotational driving power on a power accumulation spring by pulling a recoil rope by a drawing handle, and then releasing the accumulated power at once through a start pulley. This lock-type power accumulation starter device wherein the power accumulation amount of the power accumulation spring is added up by every drawing-out operation of the recoil rope, and the accumulated power of the power accumulation spring is released at once through the start pulley at a time when the torque necessary for starting the engine is accumulated on the power accumulation spring during addition, to start the rotation of an engine, comprises a power accumulation adding-up mechanism part for adding up the accumulated power of the power accumulation spring by repeating the drawing-out operation of the recoil rope, an accumulated power releasing mechanism part for releasing the power accumulation spring at an instant when the accumulated power by addition becomes more than the torque necessary for starting the engine, and a returning mechanism part for returning to a condition before the start of the addition just after the releasing of the accumulated power of the power accumulation spring. (C)2004,JPO.

Description

Locked type holds the power starter device

Invention field

Even the present invention relates to the type that the weak user of strength also can easily make the explosive motor starting, have the locked type that holds the power spring and hold the power starter device.Specifically, relate to and in holding the power spring, store rotary driving force by tow handle pulling resilience rope and hold power and the improvement that makes the locked type of the type of explosive motor starting hold the power starter device after discharge this at one stroke by driving wheel.

Background technique

In the past, as holding the power starter device, the type person who holds power by the compressive force stop of motor in holding the power spring is known.This one utilizes the occasion of the power of holding starter device of the compressive force of motor, spurs the resilience rope fast then the strength of holding of spring increases if exist, if slowly spur rope then do not hold the such problem of tendency of power.

Though for the locked type that has addressed this is that time holds the power starter device also is known, it is pulling resilience rope and hold power that but this locked type holds the power starter device, the operation of armrest handle etc. and discharge the type of the power of holding, therefore, be necessary to spur the action of resilience rope respectively and remove the action of holding power, exist the problem of using difficulty such.

Summary of the invention

The object of the present invention is to provide a kind of brand-new locked type that solves aforementioned all problems to hold the power starter device.

In order to realize aforementioned purpose, locked type according to the present invention holds the power starter device, relate to whenever the operation of pulling out of carrying out the resilience rope all adds up and holds the strength of holding of power spring, one hold to have stored in the power spring to moment of the required torque of will piloting engine at this in adding up and discharge this power of holding of holding the power spring at one stroke via driving wheel and make the locked type of the type of engine revolution starting hold the power starter device at this, be to possess by the repetition of pulling out operation of resilience rope portion of mechanism and the power of holding of holding strength of holding the power spring of adding up adds up, become the portion of the power of holding releasing mechanism portion that allows to hold the release of power spring greater than moment in this strength of holding that produces that adds up, and just discharged the person of forming of portion of portion of recovery mechanism of the state before recovering the aforementioned beginning that adds up immediately after having held power holding the power spring for the required torque of will piloting engine.

Description of drawings

Fig. 1 is expression the 1st an embodiment's of the present invention plan view.

Fig. 2 is the sectional view along the A-A line of Fig. 1.

Fig. 3 is the perspective view of major component.

Fig. 4 is the perspective exploded view of this major component.

Fig. 5 is the sectional view along the B-B line of Fig. 2 that illustrates under the jointing state of ratchet.

Fig. 6 is the sectional view along the B-B line of Fig. 2 that illustrates under the disengaged condition of ratchet.

Fig. 7 is the sectional view along the C-C line of Fig. 2.

Fig. 8 is the sectional view along the D-D line of Fig. 2 that illustrates under the jointing state of starting dog.

Fig. 9 is the sectional view along the D-D line of Fig. 2 that illustrates under the disengaged condition of starting dog.

Figure 10 is expression the 2nd an embodiment's of the present invention sectional view.

Figure 11 is the sectional view along the E-E line of Figure 10 that illustrates under the jointing state of ratchet.

Figure 12 is the sectional view along the E-E line of Figure 10 that illustrates under the disengaged condition of ratchet.

The explanation of label

1 rebound spring

2 resilience ropes

3 spools

4 drive portions

5 hold power spring mechanism portion

6 driving side clutch mechanism portions

7 followers

8 slave end clutch mechanism portions

9 counter mechanism portions

10 releasing mechanism portions

11 starter housings

12 central shafts

13 center auxiliary axiss

14 shaft sleeve part

15 depressed parts

16 resilience rope grooves

17 spring housing

20

21 axis holes

22 bearing portions

23 clutch chamber

24 overrunning clutchs

26 capacity eccentric bearings

27 hold the power spring

29 caps

30 cylindrical part

31 transmission copulational protuberances

32 ratchets

33 central screws

35 brake springs

36 baffle plates

38 ratchets

39 oscillation center axles

40 ring parts

41 ratchet tying projections

42 ratchets stretch out uses guide grab

43 ratchets are drawn in and are used guide grab

44 movable ranges restriction pawl

45 supports

46 nut portions

47 driving wheels

48 starting dogs

50 locking levers

51 supporters

52 fulcrums

53 1 square end portions

54 copulational protuberances

55 the opposing party ends

56 shaft components

57 A push rods

58 B push rods

59 downside lowers

60 upside lowers

61 downside eminences

62 upside eminences

63 plane of inclination

64 cams upwards

65 cams upwards

67 pressing spring

68 driving side counter gears

69 slave end counter gears

70 clutches ratchet mechanism portion

71 cylindrical part

72 umbrella shape heads

73 baffle plates prop up axial region

74 peripheries

75 spring housing

76 friction springs

78 ratchets

79 baffle plates

80 oscillation center axles

81 ring parts

82 driving wheels

83 ratchet tying driven protuberances

84 ratchets stretch out uses guide grab

85 ratchets are drawn in and are used guide grab

86 movable ranges restriction pawl

Embodiment

The 1st embodiment who describes in detail below and the 2nd embodiment are that locked type holds the power starter device, main points are whenever the operation of pulling out of carrying out resilience rope 2 all adds up and holds the strength of holding of power spring 27, one hold strength at this in adding up and become moment greater than the load of motor and discharge this at one stroke via driving wheel and hold the holding power of power spring 27 and make the engine revolution starting at this, be to possess by the repetition of pulling out operation of resilience rope 2 portion of mechanism and the power of holding of holding strength of holding power spring 27 of adding up adds up, become the power of the holding releasing mechanism portion that moment greater than the load of motor allows to hold the release of power spring 27 in this strength of holding that produces that adds up, and just discharged the person of forming of portion of recovery mechanism of the state before recovering the aforementioned beginning that adds up immediately after having held power holding power spring 27.

That is to say, the 1st embodiment shown in Fig. 1～Fig. 9, be that the driving spool 3 that has by the pullout forces rotation of the resilience rope 2 of rebound spring 1 rollback is drive source drives portion 4, by driving the power of the holding spring mechanism portion 5 of holding the power of holding in the power spring 27 that is rotated in of spool 3, as these drive portions 4, the power-transmission system that holds power spring mechanism portion 5 is jointing state in the occasion of pulling out action of resilience rope 2, be the driving side clutch mechanism portion 6 that the state of removing this joint is used in the occasion of the return action of resilience rope 2, be subjected to holding the release force of power spring mechanism portion 5 and driven follower 7, and hold power spring mechanism portion 5 as these, the power-transmission system of follower 7 is jointing state in the occasion of pulling out action of resilience rope 2, the power accumulating starter device that is the slave end clutch mechanism portion 8 that the state of removing this joint uses in the occasion of the return action of resilience rope 2, it is the counter mechanism portion 9 that possesses the number of times of pulling out operation of counting resilience rope 2, with the release that power spring 27 is held in prevention before this number of times of operation reaches the number of times of regulation, when reaching, allow 10 persons of forming of releasing mechanism portion of this release.

Drive portion 4 is erect in starter housing 11 central shaft 12 is set, the front end of this central shaft 12 be provided with than the thin slightly center auxiliary axis 13 of this central shaft and on central shaft 12 rotation supporting freely drive spool 3, on the inner side surface of this driving spool 3, the depressed part 15 that drives the shaft sleeve part 14 of spool 3 around this is set, resilience rope groove 16 towards periphery direction opening is set on the periphery wall of this external this depressed part 15, coiling resilience the rope 2 and front end of this resilience rope 2 is pulled out freely outside starter housing 11 via pulling out mouthful (not shown) on this resilience rope groove 16, integrally being provided with on the outer lateral side of this external driving spool 3 with central shaft 12 is the spring housing 17 at center, the state of giving rollback power for aforementioned resilience rope 2 with this rebound spring 1 in this spring housing 17 rebound spring 1 of packing into.

Hold the seat 20 of power spring mechanism portion 5 formations to the dish of motor one side opening, offer axis hole 21 at the center of this underside wall of one 20 and tubular bearing portion 22 integrally is set in the outside, cut edge of this axis hole 21, these tubular bearing portion 22 rotations are enclosed within on the aforementioned center auxiliary axis 13 freely, rotate supporting base 20 freely whereby, the clutch chamber 23 of tubular is set with the state that surrounds axis hole 21 on the inner face of this underside wall of 20, built-in seat 20 and the center auxiliary axis 13 of making becomes the overrunning clutch 24 of jointing state or disengaged condition in this clutch chamber 23, and this overrunning clutch 24 is jointing state and is disengaged condition during at rollback and that is to say the state that seat 20 only can unidirectional rotation that is taken as when the pulling out of aforementioned resilience rope 2.

And then, rotation is inlayed freely to insert in capacity eccentric bearing 26 and present 20 and is held power spring 27 on the periphery of clutch chamber 23, this holds power spring 27 becomes to hold the force direction state and become overrunning clutch 24 when overrunning clutch 24 engages be present in state in this inner diameter volume of holding power spring 27 on the sustained height position, and the outer circumferential face that this inner of holding power spring 27 is fastened in capacity eccentric bearing 26 is fastened in the outer end inner peripheral surface of seat 20 simultaneously.

In addition, the cap 29 of state of the opening of sealing seat 20 integrally is set at the motor side of capacity eccentric bearing 26, the pairing left and right transmission is set with copulational protuberance 31 in the outside of the central authorities of this cap 29 via cylindrical part 30, form ratchet 32 whereby, can not extract and support this ratchet 32 revolvably by 33 pairs of center auxiliary axiss 13 of central screw.

Driving side clutch mechanism portion 6 is formed by the joint/disengaging portion of overrunning clutch 24 and the joint/disengaging portion of baffle plate 36 grades that the following describes.

Joint/disengaging portion that these baffle plate 36 grades form, package brake spring 35 around aforementioned 20 bearing portion 22, the forward shaft sleeve part of stating spool 34 around this brake spring 35 and in this bearing portion 22 between brake spring 35 and 20 bottom surface supporting baffle 36, this baffle plate 36 is that the center can rotate and becomes the state of being braked all the time by the elasticity of brake spring 35 with bearing portion 22, and then between baffle plate 36 and spool 3 configuration ratchet 38, the oscillation center axle 39 of this ratchet 38 is rotatably freely supported on spool 3, integrally be provided with on the outside, present 20 bottom surface around the ring part 40 of the mobile space of this ratchet 38 in addition, a plurality of ratchet tyings projection 41 is set in the inner peripheral surface surrounding of this ring part 40.

Said baffle 36 comprises that ratchet stretches out the movable range of drawing in guide grab 43 and this baffle plate 36 with guide grab 42 and ratchet and limits with pawl 44, when the pulling out of resilience rope 2, ratchet stretches out with guide grab 42 and outwards guides ratchet 38 and be the state of ratchet tying with projection 41 that be engaged in, ratchet is drawn in the inside guiding ratchets 38 and removing and the jointing states of ratchet tying with projection 41 of guide grab 43 during the batching of this external resilience rope 2, so the restriction of the movable range of baffle plate 36 when being engaged in the perisporium of support (not shown) with pawl 44 ratchet draw in guide grab 43 and limit the outside swing of ratchet 38.

In addition, slave end clutch mechanism portion 8, make and comprise that driving wheel 47 and the aforementioned ratchet 32 of nut portions 46 that screw thread is fixed in the bent axle (not shown) of explosive motor becomes the state of subtend, use on the copulational protuberance 31 corresponding positions with aforementioned transmission in this external driving wheel 47, starting dog 48 set for respectively at this driving wheel 47 when predetermined rotational speed is following, be the state that engages with copulational protuberance 31 with transmission, when above, be the state of disengagement.

And then, in starter housing 11, dispose the locking lever 50 of lever form on ratchet 32 next doors, by supporter 51 and fulcrum 52 this locking lever 50 very moving be supported on freely starter housing 11 and as when these locking lever 50 transverse state and a square end portion 53 corresponding outsides that are configured in the outer periphery portion of ratchet 32 of this locking lever 50 copulational protuberance 54 is set, in a square end portion 53 of locking lever 50 is in the motion track of this copulational protuberance 54 and these square end portion 53 tyings in the occasion of copulational protuberance 54, stop the rotation of ratchet 32, when throwing off, remove this rotation stopping.

Moreover, in this 1st embodiment, though, do not illustrate among the figure as having installed bung flange spring (not shown) to the restoring mechanism of the state of rotation stopping from the recovering state of throwing off locking lever 50.

Below the opposing party end 55 of aforementioned locking lever 50, erect a shaft component 56 is set, can not rotate A axle sleeve 57 and can not be fixed in movingly up and down this shaft component 56 around and can rotate around the position on the A axle sleeve 57 in this shaft component 56 and can cooperate B axle sleeve 58 movingly up and down, and then on the upper-end surface of A axle sleeve 57 setting by downside lower 59 and upside lower 60 and downside eminence 61 and upside eminence 62 with make these formed pairing left and right of a plurality of plane of inclination 63... that become coupled condition everywhere cam 64 that makes progress, 65 and aforementioned upwards cam 64 is set on the lower end surface of

B axle sleeve

58,65 supporting surface (not shown).Moreover, the pressing spring that number in the figure 67 expressions push B axle sleeve 58 downwards.

And then, in the outer circumferential face surrounding of B axle sleeve 58 slave end counter gear 69 is set respectively as intermeshing state all the time, outer circumferential face surrounding at aforementioned seat 20 is provided with driving side counter gear 68, and a square end portion 53 of aforementioned locking lever 50 broke away from outside the motion track of copulational protuberance 54 when B axle sleeve 58 reached level at the moment (also can be another level) away from the position of A axle sleeve 57 under the relation of the engaging position of these counter gears 68,69.

That is to say, aforementioned the 1st embodiment is under the state that ratchet 32 stops by locking lever 50, pull out operation if apply to resilience rope 2, then spool 3 rotation and rolling-in rebound spring 1 and stretch out the jointing state of guaranteeing ratchet 38 and ratchet tying usefulness projection 41 with guide grab 42 along with this ratchet that drives the butterfly 36 of spool 3, overrunning clutch 24 is guaranteed the seat 20 and the jointing state of center auxiliary axis 13 in addition, thus rotation integrally drive spool 3 with seat 20 beginning hold power to holding power spring 27.

Along with this at the beginning slave end counter gear 69 rotate via being located at the driving side counter gear 68 on seat 20 the side, this slave end counter gear 69 rises along the

upwards cam

64,65 that is located on the A axle sleeve 57.

Present 20 reach the revolution of regulation and slave end counter gear 69 pushes away locking lever 50 on this slave end counter gear 69 when being positioned at the upside eminence 62 of

cam

64,65 upwards, remove the stop of ratchet 32.

Along with the releasing of the stop of this ratchet 32, discharged by the power of the holding spring 27 of rolling-in and make ratchet 32 rotations, make engine start.

After the engine start, if spool 3 and seat 20 rotations by traction resilience rope 2, then driving side counter gear 68 and slave end counter gear 69 rotations, B axle sleeve 58 drop near the position of A axle sleeve 57, engage with ratchet 32 once more along with this decline locking lever 50 resets.

The moment that has so stored in holding power spring 27 to the required torque of will piloting engine discharges the power of holding that this holds power spring 27 at one stroke via driving wheel, and this release force makes the engine revolution starting via bent axle.

And, if engine start, then by with the joint of copulational protuberance 31 driving wheel 47 being rotated via starting dog 48 and transmission from the driving force of aforementioned bent axle one side, when this rotation surpasses the rotating speed of regulation starting dog 48 by centrifugal force outwards swing and automatically remove with aforementioned transmission with the engaging of copulational protuberance 31, continue the stable rotation of aforementioned motor.

In addition, if retract resilience rope 2, then drive spool 3 and begin to reverse by rebound spring 1, the ratchet of baffle plate 36 is drawn in guide grab 43 releasing ratchets 38 and is made ratchet 38 become the state of drawing in the ratchet tying with engaging of projection 41 and along with the reverse of aforementioned driving spool 3 is batched resilience rope 2 on this driving spool 3.

Next the 2nd embodiment shown in Figure 10～Figure 12 is described.Moreover, give same label to the position identical with aforementioned the 1st embodiment.

That is to say, be that having with the spool 3 by the pullout forces rotation of the resilience rope 2 of rebound spring 1 rollback is drive source drives portion 4, the power of the holding spring mechanism portion 5 of holding the power of holding in the power spring 27 that is rotated in by spool 3, be subjected to holding the release force of power spring mechanism portion 5 and driven follower 7, and as these drive portions 4, the power-transmission system of follower 7 is jointing state in the occasion of pulling out action of resilience rope 2, be clutch that the state of removing this joint uses locked type power accumulating starter device in the occasion of the return action of resilience rope 2 with ratchet mechanism portion 70, it is the counter mechanism portion 9 that possesses the number of times of pulling out operation of counting resilience rope 2, with the release that the power spring is held in prevention before this number of times of operation reaches the number of times of regulation, when reaching, allow 10 persons of forming of releasing mechanism portion of this release.

The central position of aforementioned drive portion 4 in starter housing 11 erect central shaft 12 is set, on this central shaft 12, rotate supporting shaft 3 freely, on the inner side surface of this spool 3, be provided with around the depressed part 15 of the shaft sleeve part 14 of this spool 3, be provided with on the periphery wall of this external this depressed part 15 towards the rope groove 16 of periphery direction opening, coiling resilience the rope 2 and front end of this resilience rope 2 is pulled out freely outside starter housing 11 via pulling out mouthful (not shown) on this rope groove 16, integrally being provided with on the outer lateral side of this external spool 3 with central shaft 12 is the spring housing 17 of central circular, the state of giving rollback power for resilience rope 2 with this rebound spring 1 in this spring housing 17 rebound spring 1 of packing into.

And then, with these dividually, constitute the cap 29 of the opening of blocking aforementioned depressed part 15, can not extract by central screw 33 but revolvably this cap 29 is supported on the front end of central shaft 12 and on the inner face side of the central position of aforementioned cap 29 cylindrical part 71 is set, these cylindrical part 71 rotations are entrenched on the periphery of aforementioned shaft sleeve part 14 freely.

In addition, hold power spring mechanism portion 5 and be contained in the aforementioned depressed part 15, this inside and outside end that holds power spring 27 is fastened in the peripheral part of the cylindrical part 71 of aforementioned cap 29 and depressed part 15 holding power spring 27.Moreover the coiling direction that holds power spring 27 is taken as and makes that when traction resilience rope this being held power spring 27 stores rotary driving force.

And then, the baffle plate that band umbrella shape head 72 is set on the head of aforementioned central screw 33 prop up axial region 73 and on the outer side surface of cap 29, be provided with around this baffle plate prop up axial region 73 tubular periphery 74 and form spring housing 75, package friction spring 76 and prop up the baffle plate 79 that the state support of doing state that can rotate and the elasticity of leaning on friction spring 76 to be braked all the time between the front end umbrella shape head 72 of axial region 73 clutch function of bringing into play ratchet 78 described later at this friction spring 76 and baffle plate this spring housing 75 in.

In addition, configuration is as the ratchet 78 of driving claw performance function between baffle plate 79 and cap 29, the oscillation center axle 80 of this ratchet 78 is rotatably freely supported on cap 29, this is external have integrally be provided with on the inner side surface of the driving wheel 82 of the ring part 81 of the mobile space of this ratchet 78 and on the first-class arranged spaced of the inner peripheral surface of this ring part 81 ground around a plurality of ratchet tying usefulness driven protuberances 83 as driven protuberance performance function are set.

Said baffle 79 comprises that ratchet stretches out the movable range of drawing in guide grab 85 and this baffle plate 79 with guide grab 84 and ratchet and limits with pawl 86, ratchet stretches out with the outside guiding ratchets 78 and be the state of a ratchet tying with driven protuberance 83 that be engaged in of guide grab 84 when pulling out resilience rope 2, and this is external when batching resilience rope 2, and ratchet draws in the inside guiding ratchets 78 and removing and the jointing states of ratchet tying with driven protuberance 83 of guide grab 85.

In addition, follower 7 is to comprise that screw thread is fixed in the driving wheel 47 of nut portions 46 of the bent axle (not shown) of internal-combustion engine, when starter housing 11 is installed on the blower-casting of motor one side (starting pusher side), becomes the state with aforementioned cap 29 subtends.

And then, in starter housing 11, dispose the locking lever 50 of lever form on cap 29 (being equivalent to ratchet 32) next door, with aforementioned the 1st embodiment similarly by supporter and fulcrum very moving support freely this locking lever 50 and as when these locking lever 50 transverse state and a square end portion 53 corresponding outsides that are configured in the outer periphery portion of cap 29 (ratchet 32) of this locking lever 50 copulational protuberance 54 is set, in a square end portion 53 of locking lever 50 is in the motion track of this copulational protuberance 54 and these square end portion 53 tyings in the occasion of copulational protuberance 54, stop the rotation of cap 29 (ratchet 32), when throwing off, remove this rotation stopping.

Below the opposing party end 55 of aforementioned locking lever 50, erect a shaft component 56 is set, can not rotate A axle sleeve 57 and can not be fixed in movingly up and down this shaft component 56 around and can rotate around the position on the A axle sleeve 57 in this shaft component 56 and can cooperate B axle sleeve 58 movingly up and down, and then on the upper-end surface of A axle sleeve 57 setting by the downside lower, the upside lower, the downside eminence, the upside eminence with make these formed pairing left and right in a plurality of plane of inclination that become coupled condition everywhere make progress cam (so these since with aforementioned the 1st embodiment be the same diagram of having omitted) and aforementioned upwards cam 64 is set on the lower end surface of

B axle sleeve

58,65 supporting surface (not shown).

Aforementioned the 2nd embodiment is under the state that cap 29 (ratchet 32) stops by locking lever 50, pull out operation if apply to resilience rope 2, then spool 3 rotation and rolling-in rebound spring 1 and guarantee ratchet 78 and the jointing state of ratchet tying, spinning reel 3 and begin to hold power integrally thus to holding power spring 27 with projection 85 along with the ratchet of the rotation hook baffle plate 79 of this spool 3 stretches out with guide grab 84.

Along with this at the beginning, via the rotation of driving side counter gear 68 slave end counter gears 69, this slave end counter gear 69 rises along the

upwards cam

64,65 that is located on the A axle sleeve 57.

Reach the revolution of regulation and slave end counter gear 69 pushes away locking lever 50 on this slave end counter gear 69 when being positioned at the upside eminence 62 of

cam

64,65 upwards at spool 3, remove the stop of cap 29 (ratchet 32).

Along with the releasing of the stop of this cap (ratchet 32), discharged by the power of the holding spring 27 of rolling-in and make cap (ratchet 32) rotation, make engine start.

After the engine start, if by 3 rotations of traction resilience rope 2 and spool, then driving

side counter gear

68 and 69 rotations of slave end counter gear, B axle sleeve 58 drops to the position near A axle sleeve 57.

Along with resetting, this decline locking lever 50 engages with cap 29 (ratchet 32) once more.

The moment that has so stored in holding power spring 27 to the required torque of will piloting engine discharges the power of holding that this holds power spring 27 at one stroke, and this release force makes the engine revolution starting via bent axle.

And, if engine start, then by with the joint of driven protuberance 83 follower (driving wheel 7) being rotated via ratchet 78 and ratchet tying from the driving force of aforementioned bent axle one side, when this rotation surpasses the rotating speed of regulation ratchet 78 automatically remove with aforementioned ratchet tying with the engaging of driven protuberance 83, continue the stable rotation of aforementioned motor.

In addition, if retract resilience rope 2, then spool 3 begins to reverse by rebound spring 1, and the ratchet of hook baffle plate 79 is drawn in guide grab 85 releasing ratchets 78 and made ratchet 78 become the state of drawing in the ratchet tying with engaging of driven protuberance 83 and along with the reverse of aforementioned spool 3 is batched resilience rope 2 on this spool 3.

The present invention is aforementioned such formation, receives all effects as described below.

Although 1. former known invention makes spring energy storage by the compression stress of engine, the present invention leans on Locking lever automatically makes to the transmission mechanism locking of starting pusher side, whereby can the cumulative power of holding in piecewise.

2. aforementioned always routine such, utilize the type of the compression stress of engine, if quick traction is returned Play rope then the power of holding of spring increase, if drag rope then exist the tendency of the power do not held at leisure, But irrespectively can according to locked power accumulating starter of the present invention and the speed of traction resilience rope With the strength of holding that obtains determining, can under stable state, pilot engine.

3. the aforementioned locked type of example always holds the power starter and exists releases such as must distinguishing the operation of drawing the resilience rope and holding power and armrest handle and hold the such use difficulty of state of the operation of power, and still locked type according to the present invention holds the power starter device and has and can then draw the operation that the resilience rope holds power and hold the facility of the release of power.

4. locking framework is the simple bar that automatically moves, and the mechanism that removes this bar only depends on the gear rising just can automatically carry out, and is simple in structure, can realize reducing cost, reducing part number, improve assembling performance.

Though 5. always adjust and hold strength by the change spring, the selected of spring will think over, but only depend on change counter spool just can adjust to hold strength in the present invention and hold power speed (, can change the revolution of spring seat=hold strength) by the segments of counter spool.

Claims

1. a locked type holds the power starter device, possesses:

Drive portion, the driving spool of the pullout forces rotation of resilience rope that will be by the rebound spring rollback is as driving source;

Hold power spring mechanism portion, hold in the power spring by being rotated in of above-mentioned driving spool and hold power;

Driving side clutch mechanism portion, as above-mentioned drive portion and hold the power-transmission system of power spring mechanism portion, be jointing state in the occasion of pulling out action of carrying out above-mentioned resilience rope, be the state of removing this joint in the occasion of the return action that carries out above-mentioned resilience rope;

Follower is subjected to the release force of the above-mentioned power of holding spring mechanism portion and driven; And

Slave end clutch mechanism portion as the power-transmission system of the above-mentioned power of holding spring mechanism portion and follower, is jointing state in the occasion of pulling out action of resilience rope, is the state of removing this joint in the occasion of the return action of resilience rope,

It is characterized in that, comprising:

Counter mechanism portion counts the number of times of pulling out operation of above-mentioned resilience rope; With releasing mechanism portion, before the number of times of operation of above-mentioned resilience rope reaches the number of times of regulation, stop the release of the above-mentioned power of holding spring, and when the number of times of operation of above-mentioned resilience rope reaches the number of times of regulation, allow the release of the above-mentioned power of holding spring.

2. locked type as claimed in claim 1 holds the power starter device, it is characterized in that,

Above-mentioned counter mechanism portion comprises that first axle sleeve has cam; With second axle sleeve, with above-mentioned cam engagement, and have and constitute the slave end counter gear of the driving side counter gear engagement that is provided with on the outer circumferential face of seat of the above-mentioned power of holding spring mechanism portion,

Above-mentioned releasing mechanism portion has, and an end contacts with above-mentioned second axle sleeve, and the locking lever that engages with the joining portion of the ratchet that constitutes above-mentioned slave end clutch mechanism portion of the other end.