CN203515913U

CN203515913U - Pull-free starter

Info

Publication number: CN203515913U
Application number: CN201320613924.XU
Authority: CN
Inventors: 罗开华
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-24
Filing date: 2013-09-24
Publication date: 2014-04-02
Anticipated expiration: 2023-09-24

Abstract

The utility model discloses a pull-free starter. The pull-free starter comprises a machine shell formed by a base plate and an outer shell. A spline shaft penetrates through the opposite sides of the base plate and the outer shell, wherein one end of the spline shaft is provided with clutch hook teeth. The portion, between the base plate and the outer shell, of the spline shaft is sleeved with a roller. A fixed shaft ratchet wheel is fixedly arranged in an inner hole of the end, close to the clutch hook teeth, of the roller, wherein the spline shaft is sleeved with the fixed shaft ratchet wheel in a rotating mode. A movable shaft ratchet wheel is arranged on the inner hole of the roller, wherein the movable shaft ratchet wheel is in key joint with the spline shaft and can be meshed with the fixed shaft ratchet wheel. A compression spring is arranged in the roller to locate the movable shaft ratchet wheel. The direction of teeth of the movable shaft ratchet wheel and the direction of the clutch hook teeth are identical. A coil spring is wound around the roller. The two ends of the coil spring are located to the machine shell and the roller respectively. One end of the roller is fixedly sleeved with a first gear. A second gear meshed with the first gear is located in the outer shell. A pawl which can lock the first gear is elastically arranged in the outer shell. The pull-free starter is simple in structure, convenient to use, capable of saving effort in use, low in cost, capable of being separated automatically after starting, safe and reliable.

Description

Exempt to draw starter

Technical field

The utility model relates to a kind of starter, is specifically related to a kind of starter of exempting to draw.

Background technique

In the prior art at present, the Starting mode of domestic all kinds of small air-cooled diesel engine, petrol engine etc. is commonly stay cord starter startup or electric notor starts, wherein, it is by pulling the stay cord of starter that stay cord starter starts, the rotating speed of motor is reached start to realize and starting after rotating speed, and electric notor to start be to utilize storage battery, motor, gear etc. that motor is realized to start.

Yet stay cord starter in use, exists spring yielding, stay cord is easily broken, pulling plate rapid wear, and the impact of climate is very large, and startup is more difficult in the winter time, is even difficult for starting, meanwhile, when pulling force is inadequate, turn up less than, be also not easy to realize the problems such as startup; And the cost that electric notor starts is high, fragile, working life is short.

Summary of the invention

For above-mentioned deficiency of the prior art, the utility model aims to provide a kind of labour-saving simple in structure, easy to use and exempts to draw starter, and cost is low, can be automatically separated, safe and reliable after startup.

In order to achieve the above object, the technical solution of the utility model: a kind ofly exempt to draw starter, comprise the casing being formed by chassis and shell, on the opposite side of described chassis and shell, be penetrated with the splined shaft that one end is provided with clutch ratchet, on the splined shaft between this chassis and shell, cover has reel, in being adjacent to the endoporus of clutch ratchet end, described reel is installed with the stationary axle ratchet being rotatably placed on described splined shaft, on reel endoporus, be provided with the movable axis ratchet being connected with this spline axle key and can be meshed with described stationary axle ratchet simultaneously, and in reel, establish stage clip and locate this movable axis ratchet, described movable axis ratchet is consistent with the teeth directional direction of described clutch ratchet, on described reel, be wound with wind spring, locate on casing the termination, outside of this wind spring, its termination, inner side is positioned on reel, in described reel one end, admittedly overlap the first gear, and in described shell, be positioned with the second gear being meshed with this first gear, in this shell, elasticity is provided with the ratchet that can lock described the first gear simultaneously.

Further, at described reel two ends, set firmly clutch shaft bearing, the second bearing correspondence is positioned on described shell, chassis, and install heavy stand in described shell, chassis corresponding positions.

Further, at described reel outer side wall, be provided with breach, the termination, inner side of described wind spring is positioned in this breach by bearing pin.

Further, the chassis end of described clutch ratchet on splined shaft, is provided with handwheel at the splined shaft the other end, establishes plum blossom-shaped deep trench on this handwheel.

Further, on described shell, be positioned with corresponding support described the second gear, ratchet initially around axle, start axle.

Further, be provided with the land that can pass through for clutch ratchet on described casing, this land removably connects by erection column and chassis, is provided with number row and along its radial direction, disperses respectively the mounting hole of arrangement on this land.

The beneficial effects of the utility model: simple in structure, easy to use laborsaving, with low cost, can be automatically separated, safe and reliable after startup.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is sectional structure schematic diagram of the present utility model;

Fig. 2 be in Fig. 1 wind spring schematic diagram is set;

Fig. 3 be in Fig. 1 stationary axle ratchet and splined shaft schematic diagram is set;

Fig. 4 be in Fig. 1 movable axis ratchet and splined shaft schematic diagram is set;

Fig. 5 is the connection diagram of casing and land in the utility model;

Fig. 6 is the front view of land in Fig. 5.

Embodiment

Below in conjunction with specific embodiment and accompanying drawing, further describe the utility model.

A kind of as Figure 1-4 exempt to draw starter, comprise the casing being formed by chassis 1 and shell 2, on the opposite side of described chassis 1 and shell 2, be penetrated with the splined shaft 10 that one end is provided with clutch ratchet 18, on the splined shaft 10 between this chassis 1 and shell 2, cover has reel 15, in being adjacent to the endoporus of clutch ratchet 18 ends, described reel 15 is installed with the stationary axle ratchet 17 being rotatably placed on described splined shaft 10, on reel 15 endoporus, be provided with the movable axis ratchet 16 being connected with this splined shaft 10 keys and can be meshed with described stationary axle ratchet 17 simultaneously, and in reel 15, establish stage clip 8 and locate these movable axis ratchets 16, described movable axis ratchet 16 is consistent with the teeth directional direction of described clutch ratchet 18, on described reel 15, be wound with wind spring 3, locate on casing the termination, outside 31 of this wind spring 3, its termination 32, inner side is positioned on reel 15, in described reel 15 one end, admittedly overlap the first gear 6, and in described shell 2, be positioned with the second gear 13 being meshed with this first gear 6, in the interior elasticity of this shell 2, be provided with the ratchet 5 that can lock described the first gear 6 simultaneously.

The utility model is work like this, first, rotates the second gear 13 and drives the first gear 6, makes wind spring 3 rotate energy storage, after wind spring 3 takes up, by ratchet 5, carries out locking and positioning, and now energy storage completes, then promote the passive clutch gear engagement of clutch ratchet 18 that splined shaft 10 makes its end and diesel engine to be started or petrol engine etc., under diesel engine state of rest, splined shaft 10 remains binding site under the effect of stage clip 8, now that ratchet 5 is separated with the first gear 6, under the reaction of wind spring 3, drive splined shaft 10 reversions, and then the startup of drive diesel engine or petrol engine etc., after diesel engine or petrol engine normal operation, after the kinetic energy of the energy storage of wind spring 3 lower than diesel engine or petrol engine normal operation, the kinetic energy that diesel engine or petrol engine run well reacts on clutch ratchet 18, itself and passive clutch gear are separated.

At described reel 15 two ends, set firmly clutch shaft bearing 7, the second bearing 14 correspondences are positioned on described shell 2, chassis 1, and install heavy stand in described shell 2, chassis 1 corresponding positions, described clutch shaft bearing 7, the second bearing 14 are for subduing described reel 15 in described shell 2, the One On The Chassis wearing and tearing, improve the working life of parts, also play certain supporting effect simultaneously.In this example, this clutch shaft bearing 7, the second bearing 14 are directly welded in described reel 15 two ends.

For the setting of wind spring 3, as Fig. 1,2, at described reel 15 outer side walls, be provided with breach, the termination, inner side 32 of described wind spring 3 is directly positioned, in this breach, to be difficult for slippage by bearing pin, and quick and easy for installation, easily maintenance; The termination, outside 31 of wind spring 3 is by pin axle 11 stationary positioned on described chassis 1 and shell 2, and the rotation that reply the first gear 7 or the second gear 13 are set of this pin axle 11 does not produce interference.

On the whole, chassis 1 end of described clutch ratchet 18 on splined shaft 10, is provided with handwheel 9 at splined shaft 10 the other ends, establishes plum blossom-shaped deep trench, the laborsaving operation of easy-to-operat personnel on this handwheel 9.

And on described shell 2, be positioned with corresponding support described the second gear 13, ratchet 5 initially around axle 12, start axle 20, wherein, initially around axle 12, can on shell 2, rotate, and described startup axle 20 is except rotatable, also can short distance carry out axial motion, to facilitate separated between ratchet 5 and the first gear 6.

Finally, on described casing, be provided with the land 19 that can pass through for clutch ratchet 18, this land 19 removably connects by erection column 191 and chassis 1, on this land 19, be provided with number row and along its radial direction, disperse respectively the mounting hole 192 of arrangement, as Fig. 5,6 visual, by a plurality of mounting holes 192 are set, make the utility model to be connected and fixed and to realize start-up performance with diesel engine or the petrol engine of Multiple Type, improve its Applicable scope.

The technological scheme above the utility model embodiment being provided is described in detail, applied specific case herein the utility model embodiment's principle and mode of execution are set forth, above embodiment's explanation is only applicable to help to understand the utility model embodiment's principle; , for one of ordinary skill in the art, according to the utility model embodiment, in embodiment and application area, all will change, in sum, this description should not be construed as restriction of the present utility model meanwhile.

Claims

1. exempt to draw starter for one kind, comprise the casing being formed by chassis (1) and shell (2), it is characterized in that: on the opposite side of described chassis (1) and shell (2), be penetrated with the splined shaft (10) that one end is provided with clutch ratchet (18), at the upper cover of the splined shaft (10) between this chassis (1) and shell (2), there is reel (15), in being adjacent to the endoporus of clutch ratchet (18) end, described reel (15) is installed with the stationary axle ratchet (17) being rotatably placed on described splined shaft (10), on reel (15) endoporus, be provided with the movable axis ratchet (16) being connected with this splined shaft (10) key and can be meshed with described stationary axle ratchet (17) simultaneously, and in reel (15), establish stage clip (8) and locate this movable axis ratchet (16), described movable axis ratchet (16) is consistent with the teeth directional direction of described clutch ratchet (18), on described reel (15), be wound with wind spring (3), locate on casing the termination, outside (31) of this wind spring (3), its termination, inner side (32) is positioned on reel (15), in described reel (15) one end, admittedly overlap the first gear (6), and in described shell (2), be positioned with the second gear (13) being meshed with this first gear (6), in this shell (2), elasticity is provided with the ratchet (5) that can lock described the first gear (6) simultaneously.

2. according to claim 1ly exempt to draw starter, it is characterized in that: at described reel (15) two ends, set firmly that clutch shaft bearing (7), the second bearing (14) correspondence are positioned described shell (2), chassis (1) is upper, and install heavy stand in described shell (2), chassis (1) corresponding positions.

3. according to claim 1ly exempt to draw starter, it is characterized in that: at described reel (15) outer side wall, be provided with breach, the termination, inner side (32) of described wind spring (3) is positioned in this breach by bearing pin.

4. according to claim 1ly exempt to draw starter, it is characterized in that: chassis (1) end of described clutch ratchet (18) on splined shaft (10), at splined shaft (10) the other end, be provided with handwheel (9), this handwheel is established plum blossom-shaped deep trench on (9).

5. according to claim 4ly exempt to draw starter, it is characterized in that: on described shell (2), be positioned with corresponding support described the second gear (13), ratchet (5) initially around axle (12), start axle (20).

6. according to claim 4ly exempt to draw starter, it is characterized in that: on described casing, be provided with the land (19) that can pass through for clutch ratchet (18), this land (19) removably connects by erection column (191) and chassis (1), is provided with number row and along its radial direction, disperses respectively the mounting hole (192) of arrangement on this land (19).