CN2246717Y - Spring starter for internal combustion engine - Google Patents
Spring starter for internal combustion engine Download PDFInfo
- Publication number
- CN2246717Y CN2246717Y CN 94244636 CN94244636U CN2246717Y CN 2246717 Y CN2246717 Y CN 2246717Y CN 94244636 CN94244636 CN 94244636 CN 94244636 U CN94244636 U CN 94244636U CN 2246717 Y CN2246717 Y CN 2246717Y
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- CN
- China
- Prior art keywords
- spring
- combustion engine
- starting
- lever
- internal
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a spring starter for internal combustion engines, comprising an energy storage mechanism, a winding up mechanism and a starting control mechanism. A hollow shaft drives a small gear wheel and a large gear wheel to rotate, and a plane worm-rolling spring is tightly wound up to store energy. The utility model is started through a starting control mechanism, the plane worm-rolling spring releases the stored energy, a big gear wheel is reversely rotated, and an overrun clutch A and a driving shaft start the internal combustion engine. The utility model has the advantages of automatic winding up, compact structure, stable starting, reliable performance, simple operation, time saving, labor saving, long service life, etc. The utility model replaces the bulky hand starting, and is widely suitable for starting the small internal combustion engine devices of transportation, engineering, agricultural machinery, etc.
Description
The utility model belongs to the starting arrangement of internal-combustion engine, is specifically related to a kind of mechanical type string spring starter motor.
At present, the equipment of many use compact internal combustion engines, particularly starting such as tractor with small four wheels, motor tricycle the time all need manually hand, and not only required great effort gas but also inconvenience also the contingency that crank is hurted sb.'s feelings may take place when larry sometimes.In order to solve the problem of this respect, the starting arrangement that adopts the automatic energy storage of mechanical type is arranged, utilization machinery and hydraulic control control plane volute spring store and release energy, with cranking internal combustion engine.Disclosing a kind of internal-combustion engine clockwork spring starter as Chinese patent 93241081.2, is power with the clockwork spring, adopts the hydraulic pressure remontoir, though can realize winding up automatically, replaces traditional hand starting, and its volume is big, complex structure, and the cost height is difficult for applying.
The purpose of this utility model is that a kind of compact structure is provided in order to solve the deficiencies in the prior art, and starting performance is reliable, mechanical type internal-combustion engine string spring starter motor easy to install.
The purpose of this utility model is achieved through the following technical solutions, this internal-combustion engine string spring starter motor comprises stored energy mechanism, remontoir and starting control mechanism, stored energy mechanism is by the transmission shaft that is arranged on the upper and lower casing center, is positioned at the free wheel device A on the transmission shaft, and forms by clutch gearwheel that is connected with transmission shaft and the plane scroll spring that is arranged on the gearwheel both sides.Plane scroll spring is inner to be connected with gearwheel, and the outer end is connected with the bolt of housing inboard.Remontoir comprises the hollow shaft parallel with transmission shaft, is sleeved on the small gear that meshes with gearwheel on the hollow shaft, and pass through dial sleeve, the unidirectional cover that free wheel device B is connected with hollow shaft, the driving lever end of dial sleeve extends to the eccentric wheel outer rim that is positioned on the transmission shaft.Also be provided with the automatic spacing device of control plane volute spring energy storage on lower shell body, this device is made up of lever and the upper and lower push rod that is positioned at the lever two ends.Upper ejector pin leans in the plane scroll spring outer rim, and lower push rod leans in the driving lever outside, and pressure spring all is housed under the push rod.The starting control mechanism is made up of the starting lever, Returnning spring and the spring abutment that are contained in the hollow shaft, is processed with the concave surface annular groove on the starting lever, and small gear axis hole inwall is processed with half slot, is processed with radial direction through hole on the hollow shaft, is provided with locking ball between hole and the groove.
When using first, adopt and manually wind up, rotate hollow shaft, drive pinion rotation by hollow shaft by manual wrench.This moment, locking ball was arranged in small gear half slot and hollow shaft radial direction through hole, and small gear and hollow shaft rotate synchronously.Drive gearwheel by small gear and rotate, energy storage is finished in the plane scroll spring rolling-in.In this process, free wheel device A, B all do not work.Because the unidirectional cover on the clutch B is fixedly mounted in the lower shell body, clutch B can be with the hollow shaft monodirectional locking, makes it can not backward rotation.
During starting, promote starting lever to spring abutment, locking ball enters in the starting lever concave surface annular groove, throws off the locking to small gear.Plane scroll spring discharges energy storage and drives the gearwheel backward rotation, by free wheel device A and transmission shaft cranking internal combustion engine.Behind the engine starting, transmission shaft turns round with internal-combustion engine, and free wheel device A is in and surmounts state, and transmission shaft and gearwheel are thrown off.
After the starting, starting lever pushes the small gear half slot with locking ball under the effect of Returnning spring, small gear and hollow shaft locking.When transmission shaft rotates synchronously with internal-combustion engine, driving lever reciprocally swinging under the effect of transmission shaft eccentric wheel and lower push rod, the dial sleeve of driving lever drives hollow shaft, small gear, gearwheel rotation by free wheel device B, automatically with the plane scroll spring rolling-in.Along with the continuous rolling-in of plane scroll spring, the upper and lower push rod of energy storage automatic spacing device is constantly adjusted the position under stage clip and leverage.When being tightened to a certain degree on the plane scroll spring, upper and lower push rod spring is in relaxed state, and lower push rod can not make driving lever reset to the eccentric wheel direction, driving lever stops swinging, eccentric wheel idle running, the process of winding up is automatically promptly ended, and the plane scroll spring stored energy can use when next time starting.
The utility model compared with prior art have compact structure, starting steadily, characteristics such as reliable performance, simple to operate, time saving and energy saving, long service life, heavy hand starting can be substituted, the starting of compact internal combustion engine equipment such as transportation, engineering, agricultural machinery can be widely used in.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is the utility model internal structure schematic representation.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is that Fig. 2 K is to schematic representation.
Wherein: 1, unidirectional cover 2, hollow shaft 3, spring abutment 4, dial sleeve 5, Returnning spring 6, steel ball 7, starting lever 8, driving lever 9, transmission shaft 10, eccentric wheel 11, plane scroll spring 12, lower shell body 13, bolt 14, bolt 15, upper shell 16, plane scroll spring 17, bearing 18, gearwheel 19, small gear 20, lever chamber 21, lever 22, stage clip 23, lower push rod 24, lever shaft 25, fixing bolt 26, manual wrench 27, upper ejector pin 28, clutch A29, clutch B
With reference to accompanying drawing, internal-combustion engine string spring starter motor shell is by last, and lower shell body 15,12 is formed, and is linked together by fixing bolt 25.Transmission shaft 9 is bearing in the upper and lower casing center by bearing 17, and its external part is connected with internal-combustion engine.Gearwheel 18 is connected with transmission shaft 9 by free wheel device A28, and eccentric wheel 10 is fixed on the transmission shaft of gearwheel one side.A plane scroll spring 11,16 respectively is housed in the gearwheel both sides, and this spring is inner to be fixed with the gearwheel wheel hub, the outer end be arranged on, the bolt 13,14 of lower shell body one side connects.
At hollow shaft 2 inner chambers starting lever 7, Returnning spring 5 and spring abutment 3 are housed, locking ball 6 is positioned at hollow shaft radial direction through hole and starting lever concave surface annular groove or hollow shaft radial direction through hole and small gear half slot, its position to be controlled by starting lever, to play disengagement or the lock function to small gear.
Also be provided with energy storage automatic spacing device in upper and lower casing one side, this device is by lever 21, stage clip 22 and upper and lower push rod 27,23 formed.Lever 21 is installed in the lever chamber 20 by lever shaft 24, and upper and lower push rod 27,23 is parallel to place the lever two ends, and upper ejector pin 27 leans in plane scroll spring 11 outer rims one side, and lower push rod 23 leans in driving lever 8 one sides, and stage clip 22 all is housed under the push rod.Under the effect of plane scroll spring elastic force, upper and lower push rod is constantly adjusted the position by separately stage clip and lever, to realize plane scroll spring energy storage automatic spacing.
Claims (5)
1, a kind of internal-combustion engine string spring starter motor, comprise stored energy mechanism, remontoir and starting control mechanism, the stored energy mechanism that is characterised in that of the present utility model is by the transmission shaft that is arranged on the upper and lower casing center, is positioned at the free wheel device A on the transmission shaft, and by clutch gearwheel that is connected with transmission shaft and the plane scroll spring composition that is arranged on the gearwheel both sides, plane scroll spring is inner to be connected with gearwheel, and the outer end is connected with the bolt of housing inboard;
Remontoir comprises the hollow shaft parallel with transmission shaft, is sleeved on the small gear that meshes with gearwheel on the hollow shaft, and the dial sleeve, the unidirectional cover that are connected with hollow shaft by free wheel device B, the driving lever end of dial sleeve extends to the eccentric wheel outer rim that is positioned on the transmission shaft, on lower shell body, also be provided with the automatic spacing device of control plane volute spring energy storage, this device is made up of lever and the upper and lower push rod that is positioned at the lever two ends, upper ejector pin leans in the plane scroll spring outer rim, lower push rod leans in the driving lever outside, and pressure spring all is housed under the push rod;
The starting control mechanism is made up of the starting lever, Returnning spring and the spring abutment that are contained in the hollow shaft, is processed with the concave surface annular groove on the starting lever, and small gear axis hole inwall is processed with half slot, is processed with radial direction through hole on the hollow shaft, is provided with locking ball between hole and the groove.
2, internal-combustion engine string spring starter motor according to claim 1 is characterized in that transmission shaft is bearing in the upper and lower casing center by bearing, and its external part is connected with internal-combustion engine.
3, internal-combustion engine string spring starter motor according to claim 1 is characterized in that the external diameter and the lower shell body secure fit of above-mentioned unidirectional cover.
4, internal-combustion engine string spring starter motor according to claim 1 is characterized in that hollow axle end is equipped with manual wrench.
5, internal-combustion engine string spring starter motor according to claim 1 is characterized in that above-mentioned clutch A, and B is the needle-type free wheel device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244636 CN2246717Y (en) | 1994-11-14 | 1994-11-14 | Spring starter for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244636 CN2246717Y (en) | 1994-11-14 | 1994-11-14 | Spring starter for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2246717Y true CN2246717Y (en) | 1997-02-05 |
Family
ID=33850658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94244636 Expired - Fee Related CN2246717Y (en) | 1994-11-14 | 1994-11-14 | Spring starter for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2246717Y (en) |
-
1994
- 1994-11-14 CN CN 94244636 patent/CN2246717Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |