CN101705898A - Automatic decompression starter - Google Patents
Automatic decompression starter Download PDFInfo
- Publication number
- CN101705898A CN101705898A CN200910221357A CN200910221357A CN101705898A CN 101705898 A CN101705898 A CN 101705898A CN 200910221357 A CN200910221357 A CN 200910221357A CN 200910221357 A CN200910221357 A CN 200910221357A CN 101705898 A CN101705898 A CN 101705898A
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- China
- Prior art keywords
- starter
- electromagnet
- power
- combustion engine
- switch
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- Valve Device For Special Equipments (AREA)
Abstract
The invention provides an automatic decompression starter, which relates to the field of electric starting technology of an internal-combustion engine and mainly comprises a power switch, an electromagnet and a starter. The automatic decompression starter is characterized in that: the power switch consists of a moving contact and two static contacts; an iron core of the electromagnet is in clearance fit with a shifting fork and is fixedly connected with a pulling wire lined with an internal-combustion engine decompression mechanism; both two static contacts of the power switch are connected with the electromagnet and a power connection of the starter respectively; and both switch-on and switch-off of a power supply of the starter are later than those of the electromagnet. The starter works in the state of decompression so that the starting failures are greatly reduced and the service life is prolonged.
Description
Technical field
Automatic decompression starter of the present invention relates to the dynamo-electric starting technique of internal combustion field, and international classification number is F02N11/08.
Background technique
The starter motor that existing internal-combustion engine adopts is made up of magnetic switch, starter motor, and step is a hand switch conducting magnetic switch power supply, and---iron core on the magnetic switch is stirred shift fork and is made starter gear and internal combustion engine flywheel engagement---magnetic switch conducting starter power---cranking internal combustion engine.Such shortcoming is: starting resistance is big, and starting current is big, starting failure is many, storage battery, electrical machinery life short, for overcoming these shortcomings, people are provided with decompressor on internal-combustion engine, make internal-combustion engine be in cranking internal combustion engine under the state of opening at valve, this method has a shortcoming, bimanualness, matching coordinative, otherwise also be prone to fault, in addition, the operator that have follow the line of least resistance, inoperation decompressor and across-the-line starting, the fault that causes like this is more.The technological scheme of Chinese patent application 200810184272.6 has overcome above technical disadvantages, reach automatic decompression starting, but still have deficiency, it is to close starter power earlier when closing starter power, closes electromagnet power supply again, after that is to say that starter power is closed, valve is just closed, and like this, has reduced the reliability of starting.
Summary of the invention
For overcoming the deficiencies in the prior art, can make starter motor cranking internal combustion engine under the decompression situation, reduce starting resistance, reduce starting current, starting failure, prolong storage battery, motor working life, can ensure the reliability of starting again, the present invention proposes a kind of automatic decompression starter, mainly by power switch, electromagnet, starter motor is formed, it is characterized in that: power switch is by a moving contact, two fixed contacts are formed, the iron core of electromagnet cooperates with shift fork is movable, the backguy that connects with the internal-combustion engine mechanism of decompressor is fixedly connected, two fixed contacts of power switch respectively with electromagnet, the starter power joint connects, and opening and closing of starter power all is later than opening and closing of electromagnet.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Embodiment
Among the figure, the moving contact 9 that power supply 7 connects on the power switch 8, fixed contact 10 is connected with starter motor 1 power connection, fixed contact 11 is connected with the power connection of electromagnet 2, shift fork 4 two ends respectively with iron core 3, starting gear 5 is movable to be cooperated, the backguy 6 that iron core 3 is connected with the internal-combustion engine decompressor is fixedly connected.
When cranking internal combustion engine, moving contact on the power switch 7 at first is connected with fixed contact 11, conducting electromagnet 2 circuit, backguy 6 fixing on the iron core 3 makes the work of the internal-combustion engine mechanism of decompressor, open valve, iron core 3 is stirred shift fork 4, makes starting gear 5 and internal combustion engine flywheel engagement, rotation with moving contact 9, be connected with fixed contact 10, the circuit of starter motor 1 is connected, cranking internal combustion engine, after internal combustion engine flywheel reaches starting speed, with the rotation of moving contact 9, electromagnet 2 circuit at first disconnect, and engine valve is closed, starter power still is in on-state, is rotated further moving contact 9, close starter power.
In the starter circuit capable of the present invention delay switch can be installed.
Claims (2)
1. automatic decompression starter, mainly form by power switch, electromagnet, starter motor, it is characterized in that: power switch is by a moving contact, two fixed contacts are formed, the iron core of electromagnet cooperates with shift fork is movable, the backguy that connects with the internal-combustion engine mechanism of decompressor is fixedly connected, and two fixed contacts of power switch are connected with electromagnet, starter power joint respectively, and opening and closing of starter power all is later than opening and closing of electromagnet.
2. a kind of automatic decompression starter according to claim 1 is characterized in that: in the starter circuit capable delay switch can be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221357A CN101705898A (en) | 2009-11-05 | 2009-11-05 | Automatic decompression starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221357A CN101705898A (en) | 2009-11-05 | 2009-11-05 | Automatic decompression starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101705898A true CN101705898A (en) | 2010-05-12 |
Family
ID=42376144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910221357A Pending CN101705898A (en) | 2009-11-05 | 2009-11-05 | Automatic decompression starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101705898A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244233A (en) * | 2012-11-06 | 2013-08-14 | 牛刚学 | Internal combustion engine decompressor with inserted cushion |
-
2009
- 2009-11-05 CN CN200910221357A patent/CN101705898A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244233A (en) * | 2012-11-06 | 2013-08-14 | 牛刚学 | Internal combustion engine decompressor with inserted cushion |
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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 |
Application publication date: 20100512 |