CN110905705B - Automobile starter - Google Patents
Automobile starter Download PDFInfo
- Publication number
- CN110905705B CN110905705B CN201911212156.5A CN201911212156A CN110905705B CN 110905705 B CN110905705 B CN 110905705B CN 201911212156 A CN201911212156 A CN 201911212156A CN 110905705 B CN110905705 B CN 110905705B
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- CN
- China
- Prior art keywords
- output shaft
- shell
- driving wheel
- wheel
- rotating body
- 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.)
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- 239000007858 starting material Substances 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
- F02N15/062—Starter drives
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a starter, which comprises a shell, wherein a starting motor is arranged in the shell, a rotor of the starting motor is provided with a power wheel, the starter also comprises a first driving wheel and an output shaft which can slide up and down relative to the shell, the upper end of the output shaft is provided with an output gear, and the middle part of the output shaft is provided with a second driving wheel; the first driving wheel is meshed between the power wheel and the second driving wheel; the invention has the beneficial effects that: 1. the clutch device of the starter adopts the design of a rotating body matched with a connecting fork with double spiral grooves to replace the original lever type clutch device, and an output shaft is in pure lifting motion in the starting process, so that the original radial force in the clutch process is prevented, and the service life of the engine is prolonged.
Description
Technical Field
The invention relates to an automobile starter.
Background
The starter is a main component for assisting the engine, can convert the electric energy of a battery into mechanical energy and drive an engine flywheel to start the engine, mainly comprises a starter main body, an output shaft arranged in the starter main body, a transmission gear connected to the output shaft, an engine component connected to the output shaft, a clutch and an electromagnetic switch which enable the engine component to be meshed with or separated from the output shaft, and is used for driving the clutch to be clutched.
During starting, the clutch couples the engine assembly to the output shaft, and the drive gear on the output shaft may jam a flywheel in the engine, thereby driving the flywheel to rotate and start the engine. When the engine is started, the clutch disengages the engine assembly from the output shaft, thereby disengaging the output gear from the engine flywheel.
The clutch of the traditional starter adopts a link mechanism to pull an output shaft to engage engine components, but the link mechanism is adopted to pull the output shaft, and the link mechanism can generate arc-like displacement more or less when rotating, so that a lateral force is exerted on the output shaft, and the service life of the engine is influenced.
Disclosure of Invention
The invention provides an automobile starter driven by threads, aiming at overcoming the defect that the engine is easily abraded by adopting a lever type clutch output shaft of the existing automobile starter.
The technical scheme for solving the technical problem is as follows: a starter comprises a shell, a starting motor, a first transmission wheel and an output shaft, wherein the starting motor is arranged in the shell, a power wheel is arranged on a rotor of the starting motor, the first transmission wheel and the output shaft can slide up and down relative to the shell, an output gear is arranged at the upper end of the output shaft, and a second transmission wheel is arranged in the middle of the output shaft; the first driving wheel is meshed between the power wheel and the second driving wheel; the clutch device comprises a clutch motor and a rotating body arranged on an output shaft of the motor, and a double-spiral wire groove is formed in the rotating body; the lower end of the output shaft is provided with a connecting fork, the inner sides of two fork rods of the connecting fork are provided with connecting convex blocks, the two fork rods hold the rotating body, and the connecting convex blocks of the fork rods are inserted into the double spiral wire grooves, so that the rotating body rotates to lift the fork rods.
In order to facilitate the rotation of the output shaft, a rotatable shaft sleeve is arranged on the lower side of the output shaft, and the tail end of the connecting fork is fixed on the shaft sleeve. The rotation of being further convenient for, the axle sleeve is equipped with the ball group in both ends from top to bottom, lie in the axle sleeve on the output shaft downside and be equipped with upper limit ring and lower limit ring, the ball group supports upper limit ring or lower limit ring. In order to facilitate the rotation of the power wheel, a first bearing is arranged at the fixed position of the upper end of the power wheel and the shell, a second bearing is arranged at the fixed position of the first driving wheel and the shell, and a third bearing is arranged at the lower side of the output shaft, which is positioned at the second driving wheel.
When the clutch motor is used, the rotation of the rotating body can be caused, when the rotating double spiral line groove rotates, the connecting fork can be lifted by the rotating body, so that the whole output shaft can be lifted, the uppermost output gear is meshed and connected with an engine component, so that the engine is started, after the starting is finished, the clutch motor rotates reversely, the output shaft descends, and the output shaft and the engine component are separated from each other and reset.
The invention has the beneficial effects that: 1. the clutch device of the starter adopts the design of a rotating body matched with a connecting fork with double spiral grooves to replace the original lever type clutch device, and an output shaft is in pure lifting motion in the starting process, so that the original radial force in the clutch process is prevented, and the service life of the engine is prolonged. 2. The connecting fork is connected with the output shaft through a shaft sleeve, the upper end and the lower end of the shaft sleeve are provided with ball assemblies, and the connecting fork and the output shaft are connected smoothly.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention.
Fig. 2 is a schematic perspective view of one embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view of one embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example 1
With reference to fig. 1 to 3, the starter comprises a housing 1, a starter motor 2 is arranged in the housing 1, a power wheel 4 is arranged on a rotor 3 of the starter motor 2, the starter further comprises a first driving wheel 5 and an output shaft 6 which can slide up and down relative to the housing 1, an output gear 7 is arranged at the upper end of the output shaft 6, and a second driving wheel 8 is arranged in the middle of the output shaft; the first driving wheel 5 is meshed between the power wheel 4 and the second driving wheel 8; the clutch device comprises a clutch motor 9 and a rotating body 10 arranged on an output shaft of the motor, wherein a double spiral slot 11 is formed in the rotating body 10; the lower end of the output shaft 6 is provided with a connecting fork 12, the inner sides of two fork rods 13 of the connecting fork 12 are provided with connecting convex blocks, the two fork rods 13 embrace the rotating body 10, and the connecting convex blocks of the fork rods 13 are inserted into the double spiral wire grooves 11, so that the rotating body 10 can lift the fork rods 13.
The starter motor 2 includes a stator 14 and a rotor 3.
In order to facilitate the rotation of the output shaft 6, a rotatable shaft sleeve 15 is arranged on the lower side of the output shaft 6, and the tail end of the connecting fork 12 is fixed on the shaft sleeve 15. The rotation is further facilitated, the upper end and the lower end of the shaft sleeve 15 are provided with ball groups 16, the upper side and the lower side of the shaft sleeve 15 on the output shaft 6 are provided with an upper limiting ring 17 and a lower limiting ring 18, and the ball groups 16 abut against the upper limiting ring 17 or the lower limiting ring 18. In order to facilitate the rotation of the power wheel 4, a first bearing 19 is arranged at the fixing position of the upper end of the power wheel 4 and the shell 1, a second bearing 20 is arranged at the fixing position of the first driving wheel 5 and the shell 1, and a third bearing 21 is arranged at the lower side of the output shaft 6, which is positioned at the second driving wheel 8.
When the clutch motor 9 rotates, the rotating body 10 rotates, the connecting fork 12 is lifted by the rotating body 10 when the rotating double spiral line groove 11 rotates, so that the whole output shaft 6 is lifted, the uppermost output gear 7 is meshed with an engine component, so that the engine is started, after the engine is started, the clutch motor 9 rotates reversely, the output shaft 6 descends, and the output shaft 6 and the engine component are separated from each other and reset.
The invention has the beneficial effects that: 1. the clutch device of the starter adopts the design of a rotating body matched with a connecting fork with double spiral grooves to replace the original lever type clutch device, and an output shaft is in pure lifting motion in the starting process, so that the original radial force in the clutch process is prevented, and the service life of the engine is prolonged. 2. The connecting fork is connected with the output shaft through a shaft sleeve, the upper end and the lower end of the shaft sleeve are provided with ball assemblies, and the connecting fork and the output shaft are connected smoothly.
Claims (2)
1. A starter comprises a shell, a starting motor, a first transmission wheel and an output shaft, wherein the starting motor is arranged in the shell, a power wheel is arranged on a rotor of the starting motor, the first transmission wheel and the output shaft can slide up and down relative to the shell, an output gear is arranged at the upper end of the output shaft, and a second transmission wheel is arranged in the middle of the output shaft; the first driving wheel is meshed between the power wheel and the second driving wheel; still include a clutch, its characterized in that: the clutch device comprises a clutch motor and a rotating body arranged on an output shaft of the motor, and a double-spiral wire groove is formed in the rotating body; the lower end of the output shaft is provided with a connecting fork, the inner sides of two fork rods of the connecting fork are provided with connecting convex blocks, the two fork rods hold the rotating body, and the connecting convex blocks of the fork rods are inserted into the double spiral wire grooves, so that the rotating body rotates to lift the fork rods.
2. The starter according to claim 1, wherein: the lower side of the output shaft is provided with a rotatable shaft sleeve, and the tail end of the connecting fork is fixed on the shaft sleeve; the upper end and the lower end of the shaft sleeve are provided with ball groups, the output shaft is provided with an upper limiting ring and a lower limiting ring at the lower side of the shaft sleeve, and the ball groups prop against the upper limiting ring or the lower limiting ring; the power wheel is characterized in that a first bearing is arranged at the fixed position of the upper end of the power wheel and the shell, a second bearing is arranged at the fixed position of the first driving wheel and the shell, and a third bearing is arranged at the lower side of the output shaft, which is positioned at the second driving wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911212156.5A CN110905705B (en) | 2019-12-02 | 2019-12-02 | Automobile starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911212156.5A CN110905705B (en) | 2019-12-02 | 2019-12-02 | Automobile starter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110905705A CN110905705A (en) | 2020-03-24 |
| CN110905705B true CN110905705B (en) | 2021-06-11 |
Family
ID=69821165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911212156.5A Active CN110905705B (en) | 2019-12-02 | 2019-12-02 | Automobile starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110905705B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3885535T2 (en) * | 1987-08-07 | 1994-04-28 | Mitsubishi Electric Corp | Electric starter motor. |
| JP4073285B2 (en) * | 2002-10-04 | 2008-04-09 | 本田技研工業株式会社 | Starter motor mounting structure |
| JP4020209B2 (en) * | 2005-01-14 | 2007-12-12 | 三菱電機株式会社 | Starter motor with intermediate gear |
| JP4532451B2 (en) * | 2006-10-02 | 2010-08-25 | Ｎｔｎ株式会社 | Engine starter |
| KR100957151B1 (en) * | 2008-03-17 | 2010-05-11 | 현대자동차주식회사 | Clutch actuator |
| CN103089992B (en) * | 2013-01-18 | 2015-06-03 | 浙江吉利汽车研究院有限公司杭州分公司 | Automatic transmission clutch actuating mechanism |
| KR101389237B1 (en) * | 2013-04-12 | 2014-05-19 | 현대위아 주식회사 | Disconnector-type clutch for rear wheel-driving device in four-wheel driving electric vehicle |
| CN203189178U (en) * | 2013-04-20 | 2013-09-11 | 重庆润通动力有限公司 | Electric starting device of engine |
| CN108368894B (en) * | 2015-11-25 | 2020-11-10 | 敏思工业公司 | Electromechanical device for use with a controllable connection assembly, and connection and electromechanical control assembly |
| CN208651549U (en) * | 2018-07-13 | 2019-03-26 | 苏州鼎恒粉末冶金有限公司 | A kind of adjustable double-speed gear |
-
2019
- 2019-12-02 CN CN201911212156.5A patent/CN110905705B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110905705A (en) | 2020-03-24 |
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