CN1526942A - Engine starting device - Google Patents
Engine starting device Download PDFInfo
- Publication number
- CN1526942A CN1526942A CNA031095178A CN03109517A CN1526942A CN 1526942 A CN1526942 A CN 1526942A CN A031095178 A CNA031095178 A CN A031095178A CN 03109517 A CN03109517 A CN 03109517A CN 1526942 A CN1526942 A CN 1526942A
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- CN
- China
- Prior art keywords
- mentioned
- engine
- rope
- clockwork spring
- engine starting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Springs (AREA)
- Pulleys (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
An engine starter includes a reel to be rotated by a rope wound around the reel, first and second springs, both of which being wound up by the rotation of the reel, an engine starting pulley to be rotated by the second spring for driving a crank shaft of an engine, and a centrifugal clutch inserted between the engine starting pulley and the crank shaft of the engine.
Description
Technical field
The present invention relates to a kind of engine starting arrangement, especially, when relating to rolling back action and being over, the engine starting arrangement that the crankshaft drives that can make engine makes zero with the power of holding of clockwork spring (ゼ Application マ イ).
Background technique
Traditional backrush formula starting arrangement has the backrush of utilization rope and makes rope pulley revolution, and will turn round the crankshaft that directly is communicated to engine by centrifugal clutch, and this is general starting method.This backrush formula starting is in order to require rope is pulled at a heat the strength of needed rotating speed, so to the little people of strength is to be difficult to operation, therefore use the medium-sized engine of backrush formula starter such as machine outside generator, in fact the embarrassed shape that can't start can take place, in addition, because the air pressure at the internal combustion engine cylinder internal can produce change, so the traditional backrush formula starter that directly links with crankshaft has the shortcoming that is difficult to easily, satisfactorily the backrush rope is stretched according to the degree of this load.
Also have, starter is by following form: adopt the automatic type motor or adopt overrunning clutch and the spring of employing and with manually back and forth rolling back action make employing the power of the holding increase of spring and starting of each backrush.
The former automatic type motor starter is high price and complicated structure, in addition, charging mechanism must be arranged,, consider under undercharge, other out of use situations and be to be used as other approach of urgent usefulness and to install backrush formula starter at machine outside though starting is easily.
In addition, the installing latter's overrunning clutch, and low increase working the power of holding of employing spring with rolling back action repeatedly, and possess the starter that makes the engine start-up function, it is characterized by: when rolling back action rope rollback and process end, working the residual power of holding on the spring employ, allowing till the degree of engine starting though produce certainly not reach as yet, but preserve big strength state always.
On the other hand, the revolution torsion of internal combustion engine can be irregular, and the internal combustion engine piston rises and the air firing chamber in when being compressed, and gives birth to air leakage and pressure reduces, the load of minimizing engine crankshaft by the associative ring seal around the piston.Under this kind state just because of holding the big above-mentioned power of holding and the minimizing overlaid of load, so have the worry of the engine starting that generation can't expect.
In addition, winding number has according to flow fuel increase and decrease and changes, and improves the probability of the above-mentioned starting that can't expect.This result causes starting to take place, the worry that also makes the working machine of installing cutter or dangerous goods work the mischief and increase.
The present invention develops and finishes because solve above-mentioned shortcoming.
Summary of the invention
A first aspect of the present invention is the engine starting arrangement, it is characterized in that: this engine starting arrangement comprises: the rope drum that is rotated by the fly rope, the 2nd clockwork spring that the 1st clockwork spring that a pair of rotation because of this rope drum that is arranged at this rope drum is used by the backrush of scrolling and the crankshaft drives of engine are used, the engine starter pulley that is driven by the 2nd clockwork spring, and the centrifugal clutch of insertion between this engine starter pulley and above-mentioned crankshaft, and be made into when the performed rollback rope release of above-mentioned the 1st clockwork spring, the spring of above-mentioned the 2nd clockwork spring holds power and makes zero.
A second aspect of the present invention is the engine starting arrangement at first aspect, wherein, having can be with above-mentioned starter pulley and the direct device that links of above-mentioned rope drum, and the tensile force and the rotating speed that can be used as with rope are used the backrush formula starting arrangement of engine starting.
A third aspect of the present invention is that wherein, the fixed cover that will be positioned at the above-mentioned starter pulley side of above-mentioned the 2nd clockwork spring is installed on the above-mentioned rope drum at first or the engine starting arrangement of second aspect.
Description of drawings
Fig. 1 is the sectional drawing of engine starting arrangement of the present invention.
Fig. 2 is the sectional drawing that the action specification of the shown engine starting arrangement of Fig. 1 is used.
Embodiment
By means of the explanation embodiments of the invention.
Fig. 1 shows engine starting arrangement of the present invention, the 1st, the rope that is manually actuated, the 2nd, the rope drum that is rotated by this rope 1, the 3rd, by the backrush of the one side side of same 2 scrollings of this rope drum with the 1st clockwork spring, the 4th, the 2nd clockwork spring that the crankshaft drives of the engine of same another side side is used, the 5th, the starter pulley of being rotated by the 2nd clockwork spring 4, the 6th, insert the centrifugal clutch between the crankshaft of this starter pulley 5 and engine, the 7th, surround the fixing starting arrangement body of engine starting arrangement of the present invention, the 8th, because support the pivot of above-mentioned rope drum 2 and starter pulley 5 freely to rotate, so pivot that utilizes above-mentioned starting arrangement body 7 to be situated between and to support freely to rotate by the bearing 9 of oil-impregnated sintered metal etc., 10 are formed in the center of this pivot 8 towards axial nut, the 11st, be screwed on the joint bolt of this nut 10, the 12nd, combined bolt 11 is pushed and is used for making the combination member of plate-shaped springs that above-mentioned rope drum 2 and starter pulley 5 directly link etc., the 13rd, engage and be formed on the groove or the projection of the axial region inner peripheral surface of above-mentioned rope drum 2 with this combination member 12, the 14th, be formed on the groove or the projection of the cylindrical part 5a end face of starter pulley 5 equally, the 15th, be used for above-mentioned combination member 12 is attached at the buffer arm of above-mentioned pivot 8, the 16th, the fixing bolt of this buffer arm, the 17th, the fixed cover that is positioned at above-mentioned starter pulley 5 sides of above-mentioned the 2nd clockwork spring 4 is installed on the above-mentioned rope drum 2.
Because engine starting arrangement of the present invention is as above-mentioned formation, so starting during internal combustion engine, is to stretch above-mentioned rope 1 and rope drum 2 is turned round with pulling.By the 1st clockwork spring 3 scrollings that the revolution of this rope drum 2 had both allowed backrush use, the 2nd clockwork spring 4 scrollings that side by side also allow the crankshaft drives of above-mentioned engine use again.
In the present invention, be designed to stretched operation with once above-mentioned rope 1, the torsion that utilization is accumulated the 2nd clockwork spring 4 arrives the crankshaft of rotary internal combustion engine positively greatly, when being made into the above-mentioned rope 1 with the effect institute rollback of above-mentioned the 1st clockwork spring 3, also rollback the 2nd clockwork spring 4 side by side, and the power of holding that is made into the 2nd clockwork spring 4 makes zero.
Because engine starting arrangement of the present invention is as above-mentioned formation, so rolling back action one finishes, side by side the 2nd clockwork spring 4 just makes zero, and then internal combustion engine inadvertently can be started that is the solution of above-mentioned previous shortcoming.
In addition, though the 2nd clockwork spring 4 in conventional apparatus is not only when breakage but also afunction, internal combustion engine is impossible start, but this moment is if be combined in screw thread the words that the joint bolt of the axial region of above-mentioned pivot 8 is locked, the front end of this joint bolt 11 is pushed to the combination member 12 of plate-shaped springs etc. as shown in Figure 2, be sticked in the groove of rope drum 2 or the groove or the projection 14 of projection 13 and starter pulley 5, its result is as allowing the axial region and the starter pulley 5 of rope drum 2 directly link, can make it be used as traditional backrush formula starter function by the stretched operation of above-mentioned rope 1, under as safe as a house and become high reliability.
Claims (3)
1. engine starting arrangement, it is characterized in that: this engine starting arrangement comprises:
By the rope drum that rope rotated, the 2nd clockwork spring that the 1st clockwork spring that a pair of rotation because of this rope drum that is arranged at this rope drum is used by the backrush of scrolling and the crankshaft drives of engine are used, the engine starter pulley that is driven by the 2nd clockwork spring and insert centrifugal clutch between this engine starter pulley and above-mentioned crankshaft, and be made into when the performed rollback rope release of above-mentioned the 1st clockwork spring, the spring of above-mentioned the 2nd clockwork spring holds power and makes zero.
2. engine starting arrangement as claimed in claim 1 is characterized in that:
Having can be with above-mentioned starter pulley and the direct device that links of above-mentioned rope drum, and the tensile force and the rotating speed that can be used as with rope are used the backrush formula starting arrangement of engine starting.
3. engine starting arrangement as claimed in claim 1 or 2 is characterized in that:
The fixed cover that will be positioned at the above-mentioned starter pulley side of above-mentioned the 2nd clockwork spring is installed on the above-mentioned rope drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/782,540 US6959681B2 (en) | 2003-02-19 | 2004-02-19 | Engine starter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57325/2003 | 2003-03-04 | ||
| JP2003057325A JP4169335B2 (en) | 2003-03-04 | 2003-03-04 | Engine starter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1526942A true CN1526942A (en) | 2004-09-08 |
Family
ID=33120782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031095178A Pending CN1526942A (en) | 2003-02-19 | 2003-04-08 | Engine starting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4169335B2 (en) |
| CN (1) | CN1526942A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806269A (en) * | 2009-02-17 | 2010-08-18 | 星天具工业株式会社 | Recoil starter |
| CN1854508B (en) * | 2005-04-27 | 2011-06-15 | 伊莱克斯家用产品有限公司 | Dynamic effortless pull starting |
-
2003
- 2003-03-04 JP JP2003057325A patent/JP4169335B2/en not_active Expired - Lifetime
- 2003-04-08 CN CNA031095178A patent/CN1526942A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854508B (en) * | 2005-04-27 | 2011-06-15 | 伊莱克斯家用产品有限公司 | Dynamic effortless pull starting |
| CN101806269A (en) * | 2009-02-17 | 2010-08-18 | 星天具工业株式会社 | Recoil starter |
| US8297250B2 (en) | 2009-02-17 | 2012-10-30 | Starting Industrial Co., Ltd. | Recoil starter |
| CN101806269B (en) * | 2009-02-17 | 2013-04-24 | 星天具工业株式会社 | Recoil starter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4169335B2 (en) | 2008-10-22 |
| JP2004263674A (en) | 2004-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |