CN2286812Y - Single-way speed-reducing clutch - Google Patents
Single-way speed-reducing clutch Download PDFInfo
- Publication number
- CN2286812Y CN2286812Y CN 96247756 CN96247756U CN2286812Y CN 2286812 Y CN2286812 Y CN 2286812Y CN 96247756 CN96247756 CN 96247756 CN 96247756 U CN96247756 U CN 96247756U CN 2286812 Y CN2286812 Y CN 2286812Y
- Authority
- CN
- China
- Prior art keywords
- spring
- axle sleeve
- clutch
- speed
- reducing
- 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.)
- Expired - Lifetime
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a starting auxiliary device for the combustion engine, particularly a driving device which is arranged between the starter and the started engine. The single-way speed-reducing clutch is composed of a clutch shaft, a positioning ring, a driving gear wheel, a spring, a spring seat, a shaft sleeve and a reset spring. The exterior of the shaft sleeve is provided with a speed-reducing gear wheel. The interior of the speed-reducing gear wheel is provided with a rolling column and a flat spring. The utility model has the advantages of small starting resistance moment and impact force, large transfer torque, simple structure, low cost, strong applicability, etc. The utility model can be used for the starting devices of the large, the medium and the small engines of automobiles, tractors, ships and engineering machinery.
Description
The utility model relates to the starting aid of combustion engine, especially starter motor and by the transmission device between the starter motor.
The overrunning clutch that existing automobile, tractor, boats and ships and engineering machinery starter motor are used mostly is the positively engaging formula, when connecting the starting button switch, the starter relay closure, magnetic switch is connected, and actuation gear and flywheel ring gear positively engaging drive motor.This overrunning clutch is the across-the-line starting formula, and starting resistance square and impact force are bigger, and the moment of torsion that is transmitted is less.Therefore for more powerful starter motor, adopt the complicated engagement type overrunning clutch of two-step action of structure.
The unidirectional speed-reducing clutch that moment of torsion is bigger, simple in structure, cost is lower, adaptability is stronger that the purpose of the utility model is to provide a kind of starting resistance square and impact force is less, transmit.
Unidirectional speed-reducing clutch reaches positioning ring, actuation gear, spring and the spring seat of fixing successively on it by clutch shaft, and with the axle sleeve of clutch shaft engagement, the Returnning spring that is contained between clutch shaft and the axle sleeve is formed.Reduction gear is equipped with in the outside of axle sleeve, and roller and flat spring are housed in the reduction gear.
Below in conjunction with embodiment shown in the drawings, the utility model is explained in detail.
Accompanying drawing 1 is the utility model plan view.
As shown in Figure 1, the unidirectional speed-reducing clutch that automobile, tractor, boats and ships and engineering machinery starter motor are used, reach positioning ring 1, actuation gear 3, spring 4 and the spring seat of fixing successively on it 5 by clutch shaft 15, with the axle sleeve 13 of clutch shaft 15 engagements, the Returnning spring 6 that is contained between clutch shaft 15 and the axle sleeve 13 is formed.Positioning ring 1 usefulness catch spring 2 is fixed on the clutch shaft 15.Reduction gear 11 is equipped with in the outside of axle sleeve 13, and roller 10 and flat spring 9 are housed in the reduction gear 11.The standard pitch diameter of conversion reduction gear 11 can obtain different reduction speed ratio.Roller 10 and flat spring 9 are parts of clutch single effect.
As shown in Figure 1, between reduction gear 11 and the axle sleeve 13 bearing 12 is housed.Rolling bearing 14 also is equipped with in the outside of axle sleeve 13.
As shown in Figure 1, packing ring 8 and protective housing 7 also are housed between reduction gear 11 and the axle sleeve 13.
When connecting the starting button switch, the starter relay closure, magnetic switch is connected, and clutch shaft 15 is released, and makes actuation gear 3 and flywheel ring gear engagement; Simultaneously, actuating motor gets electric, because gear on the motor shaft and reduction gear 11 mesh together all the time, so the rotating speed of actuating motor passes to actuation gear 3 again after reduction gear 11 is slowed down, actuation gear 3 drives flywheel ring gear again, drives motor.
Because unidirectional speed-reducing clutch is changed into indirect starting with existing overrunning clutch across-the-line starting, therefore, it is less to have starting resistance square and impact force, the moment of torsion that transmits is bigger, and simple in structure, advantage such as cost is lower, adaptability is stronger, can be widely used in the starting arrangement of large, medium and small type internal-combustion engines such as automobile, tractor, boats and ships, engineering machinery.
In the embodiment shown in the figures, the boundary dimension of unidirectional speed-reducing clutch is φ 73 * 124, and reduction speed ratio is 1: 0.4.
Claims (3)
1, the unidirectional speed-reducing clutch used of a kind of automobile, tractor, boats and ships and engineering machinery starter motor, reach positioning ring (1), actuation gear (3), spring (4) and the spring seat of fixing successively on it (5) by clutch shaft (15), axle sleeve (13) with clutch shaft (15) engagement, the Returnning spring (6) that is contained between clutch shaft (15) and the axle sleeve (13) is formed, reduction gear (11) is equipped with in the outside that it is characterized in that axle sleeve (13), and roller (10) and flat spring (9) are housed in the reduction gear (11).
2, by the described unidirectional speed-reducing clutch of claim 1, it is characterized in that between reduction gear (11) and the axle sleeve (13) bearing (12) being housed the outer rolling bearing (14) that also is equipped with of axle sleeve (13).
3, by claim 1 or 2 described unidirectional speed-reducing clutchs, it is characterized in that also being equipped with between reduction gear (11) and the axle sleeve (13) packing ring (8) and protective housing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96247756 CN2286812Y (en) | 1996-12-09 | 1996-12-09 | Single-way speed-reducing clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96247756 CN2286812Y (en) | 1996-12-09 | 1996-12-09 | Single-way speed-reducing clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2286812Y true CN2286812Y (en) | 1998-07-29 |
Family
ID=33919810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96247756 Expired - Lifetime CN2286812Y (en) | 1996-12-09 | 1996-12-09 | Single-way speed-reducing clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2286812Y (en) |
-
1996
- 1996-12-09 CN CN 96247756 patent/CN2286812Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |