CN103109077A - Starter for an internal combustion engine - Google Patents

Starter for an internal combustion engine Download PDF

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Publication number
CN103109077A
CN103109077A CN2011800432480A CN201180043248A CN103109077A CN 103109077 A CN103109077 A CN 103109077A CN 2011800432480 A CN2011800432480 A CN 2011800432480A CN 201180043248 A CN201180043248 A CN 201180043248A CN 103109077 A CN103109077 A CN 103109077A
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CN
China
Prior art keywords
pinion
starter
axle
pinion shaft
starter motor
Prior art date
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Granted
Application number
CN2011800432480A
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Chinese (zh)
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CN103109077B (en
Inventor
P·哈拉斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEG Automotive Germany GmbH
Original Assignee
Robert Bosch GmbH
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Publication date
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Publication of CN103109077A publication Critical patent/CN103109077A/en
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Publication of CN103109077B publication Critical patent/CN103109077B/en
Expired - Fee Related legal-status Critical Current
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/062Starter drives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00Starting of engines by means of electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00Starting of engines by means of electric motors
    • F02N11/08Circuits or control means specially adapted for starting of engines
    • F02N11/0851Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/022Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
    • F02N15/023Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the overrunning type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/022Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
    • F02N15/025Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the friction type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/022Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
    • F02N15/026Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the centrifugal type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/043Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
    • F02N15/046Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/062Starter drives
    • F02N15/063Starter drives with resilient shock absorbers

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  • 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 for an internal combustion engine, comprising a start pinion and a pinion shaft which is embodied as a separate component and is placed on a collar of the starter pinion. The invention also relates to a holding arbor which is placed on the drive shaft and is rotationally fixed to the pinion shaft.

Description

The starter motor that is used for internal-combustion engine
Technical field
The present invention relates to a kind of starter motor for internal-combustion engine as described in the preamble according to claim 1.
Background technique
Known a kind of electrically-energized starter motor for internal-combustion engine from document DE 102 58 908 A1, it comprises the starter pinion in the gear ring that is engaged to internal-combustion engine in order to start.This starter pinion and pinion shaft can not link with relatively rotating, however can be held with respect to the mode that pinion shaft is axially adjusted, wherein, starter pinion with respect to pinion shaft by combined spring by axially support.This combined spring is implemented as helical spring, and it is arranged in the inside of pinion shaft of sleeve shape.
In order to assemble, starter pinion must be passed pinion shaft, until collide in the radially outstanding convex shoulder at starter pinion place the pinion shaft place radially aduncate, be positioned at distolateral flange.Pinion shaft exceeds the end face of starter pinion in the axial direction, and is driven by the drivening piece of roller in rolling flange place's rolling of pinion shaft.
It is relatively large that starter motor is configured to structure in the axial direction.Because starter pinion must be passed pinion shaft when assembling, the diameter of pinion shaft can not be less than the minimum dimension that limits.
Summary of the invention
Purpose of the present invention is to utilize simple structural measure to implement to be used for the starter motor of internal-combustion engine with compact structure.According to an aspect of the present invention, pinion shaft with the zone that is connected of drivening piece in diameter can freely select within wide scope.
According to the present invention, this purpose realizes by feature claimed in claim 1.Dependent claims has provided suitable improvement project.
Starter motor for internal-combustion engine according to the present invention comprises the starter pinion that can support movably with respect to live axle starter pinion in other words, and it can not link with the pinion shaft that is implemented as individual components with relatively rotating.This pinion shaft is installed on the flange of starter pinion, wherein, the minimum diameter of pinion shaft is equivalent to the outer diameter of the flange of starter pinion at least, thereby pinion shaft is installed on starter pinion outside the inner space that holds live axle of starter pinion diametrically.
In addition, be provided with and hold axle, it is for the constituent element of starter motor and be engaged on live axle.Holding axle can not be connected with pinion shaft with relatively rotating.
Utilize this three part-structures (starter pinion, pinion shaft and hold axle) can realize component system modular, that can use neatly.Starter pinion and pinion shaft form can preassembled subassembly, and this subassembly can be used for different application in the same manner.By holding the different design proposal of axle, at axial total length and be positioned at and realize that carrying out personalization according to vehicle mates aspect the rolling lip diameter that holds on axle.With to hold axle irrelevant, there be not principle restriction at the diametrically that holds axle due to the assembling of starter pinion and pinion shaft.Also feasiblely thus be, hold that the axle place arranges may be less than the rolling lip diameter of the internal diameter of starter pinion.
According to a favourable embodiment, pinion shaft does not exceed the end face of the flange of starter pinion in the state that has assembled, thereby is determined the axial length of the subassembly that formed by starter pinion and pinion shaft by starter pinion.
Aptly, starter pinion in the axial direction can be with respect to the pinion shaft adjustment, and wherein, the spring element that is used for applying axle spring power is arranged in the convex shoulder of pinion shaft or end face and between the convex shoulder at starter pinion place.Spring element is configured to annular and for example is implemented as wavy spring, and is engaged in as pinion shaft on the flange of starter pinion equally, thereby spring element also has compared with the larger internal diameter of starter pinion.For starter pinion tooth when pinion shaft moves forward vertically to tooth bump against situation on the gear ring of internal-combustion engine, spring element plays the function that weakens momentum.By spring element and the axial relative adjustment possibility between starter pinion and pinion shaft, reduced the collision momentum, spring element is pressed onto starter pinion in its final engaging position simultaneously, in this engaging position, the engagement of the tooth section of the tooth section of starter pinion and gear ring.
Due to the axial relative adjustment possibility between pinion shaft and starter pinion, suitable is that pinion shaft is axially fixed on the flange of starter pinion by safety element.This safety element is embodied as guard ring, for example locking ring, its be contained in the starter pinion place flange the cylinder place around circular groove in.The embodiment suitable according to another held axle and hidden diametrically safety element and by this way safety element be fixed in axial position on the flange of starter pinion.This holds axle and prevents, safety element is radially expanded and broken away from from the flange of starter pinion when the limit speed of over insurance element.
The embodiment regulation suitable according to another, the spring element between starter pinion and pinion shaft is hidden by cover piece, and this cover piece particularly is configured to annular and has L shaped shape of cross section.By this cover piece, the protection spring element is not subjected to externalities, particularly pollutes.
The starter pinion that is implemented as hollow body and form equally hollow body hold axle in can be embedded with respectively be used to the little lining that holds live axle.
Not relatively turnable connection between the pinion shaft that holds axle and preferably simultaneously also be configured to fix in the axial direction can be implemented in various different ways.According to a favourable embodiment, hold the axle material and for example be connected with pinion shaft by welding ordinatedly.But, also can consider in frictional fit or the connection (for example being pressed on pinion shaft by holding axle) of power transmission or the connection (for example by spinning) of common form fit held between axle and pinion shaft.In the situation that being connected, material also can consider soldering and bonding.
Description of drawings
Obtain other advantage and suitable embodiment from other claim, accompanying drawing description and accompanying drawing.In the accompanying drawings:
Fig. 1 shows starter motor for internal-combustion engine with longitudinal sectional view,
Fig. 2 shows with starter pinion, pinion shaft, spring element and the various constituent element that holds the starter motor of axle with exploded view,
Fig. 3 shows starter pinion and the pinion shaft in the state that has assembled, and comprises the spring element that is hidden by cover plate,
Fig. 4 shows device according to Fig. 3 with longitudinal sectional view,
Fig. 5 show starter pinion, the pinion shaft in the state that has assembled and be connected with pinion shaft hold axle,
Fig. 6 shows device according to Fig. 5 with longitudinal sectional view,
Fig. 7 shows on the height of spring element or cover piece the sectional view transverse to longitudinal axis.
Identical parts have identical reference character in the accompanying drawings.
Embodiment
Fig. 1 shows starting arrangement 10 with longitudinal section.This starting arrangement 10 for example has starting motor 13 and engage relay 16.Described starting motor 13 and engage relay 16 are fixed on a common drive end bearing lid 19.Described starting motor 13 is being used on function when starter pinion when starter pinion 22 is engaged to the gear ring 25 of unshowned internal-combustion engine here in other words, and the driving starter pinion is starter pinion 22 in other words.
Starting motor 13 has the utmost point pipe 28 as housing, and described utmost point pipe is a plurality of pole shoes 31 of all upper supports within it, and these pole shoes are wound around by an exciting winding 34 respectively.Pole shoe 31 surrounds again armature 37, and this armature has the armature core 43 that is made of thin slice 40 and the armature winding 49 that is arranged in a plurality of grooves 48.Armature core 43 is pressed on armature shaft 44.In addition, armature shaft 13 away from the end of starter pinion 22 on commutator 52 also is installed, described commutator 52 especially is made of a plurality of single commutator thin slices 55.Commutator thin slice 55 is electrically connected to armature winding 49 by known methods, makes and produce armature 37 rotatablely moving in utmost point pipe 28 when switching on to commutator thin slice 55 by carbon brush 58.Be arranged on current feed 61 between engage relay 16 and starting motor 13 when on-state not only for carbon brush 58 but also be exciting winding 34 power supplies.Armature shaft 44 is in commutator one side is supported on sliding bearing 67 by axle journal 64, and this sliding bearing 67 position again remains in commutator bearing lid 70 regularly.Described commutator head 70 is fixed in drive end bearing lid 19 by means of pull bar 73 again, and described pull bar 73 is distributed on the periphery of utmost point pipe 28 (as screw, for example two, three or four).At this, utmost point pipe 28 is supported on drive end bearing lid 19, and commutator bearing lid 70 is supported on utmost point pipe 28.
Along driving direction, connected so-called sun gear 80 on armature 37, this sun gear is the part of planetary type gear transmission unit 83.Sun gear 80 is surrounded by a plurality of planetary pinions 86, normally is supported on three planetary pinions 86 on axle journal 92 by means of rolling bearing 89.Planetary pinion 86 rolls in ring gear 95, and beyond described ring gear 95, side bearing is in utmost point pipe 28.Towards the direction of outlet side, what join with planetary pinion 86 is planet carrier 98, and axle journal 92 is contained in described planet carrier.Planet carrier 98 is bearing in again intermediate support body 101 and is arranged in sliding bearing 104 in this intermediate support body 101.Intermediate support body 101 is designed to basin shape, so that hold therein planet carrier 98 and planetary pinion 86.In addition, also be provided with ring gear 95 in the intermediate support body 101 of basin shape, this ring gear is at last by covering 107 with respect to armature 37 sealings.Intermediate support body 101 also is supported on the inboard of utmost point pipe 28 by its outer periphery.Armature 37 has another axle journal 110 in being contained in equally sliding bearing 113 on the end away from commutator 52 of armature shaft 13.Described sliding bearing 113 is contained in again in the central hole of planet carrier 98.Planet carrier 98 is connected integratedly with live axle 116.This live axle 116 is bearing in another bearing 122 by its end 119 away from intermediate support body 101, and this another bearing is fixed in drive end bearing lid 19.Live axle 116 is divided into different sections: what be connected on section back in the sliding bearing 104 that is arranged on intermediate support body 101 is section with so-called straight-tooth 125 (internal tooth), this straight-tooth is the part of so-called connecting structure of shaft hub, and wherein alternatively helical teeth is also feasible.This connecting structure of shaft hub 128 makes drivening piece 131 linear slide vertically become possibility in this case.This drivening piece 131 is protuberances of sleeve-shaped, the basin shape outer ring 132 integral types connections that this protuberance is connected with freewheel.This freewheel 137 (directed break) comprises the inner ring 140 that is disposed radially within outer ring 132 in addition.Be provided with clamping body 138 between inner ring 140 and outer ring 132.These clamping bodies 138 and inner ring 140 and outer ring 132 actings in conjunction prevent relatively rotating towards second direction between outer ring 132 and inner ring 140.In other words, freewheel 137 can be realized a relative movement towards a direction between inner ring 140 and outer ring 132.
In this embodiment, inner ring 140 forms the axle of holding that is implemented as individual components, this holds axle and can not be connected with pinion shaft 300 with relatively rotating, yet this pinion shaft 300 can not be engaged on the flange of starter pinion 22 with relatively rotating with having axial adjustment possibility.Starter pinion 22 with helical teeth 143 (outer helical teeth) is supported on pinion shaft 300 places by spring element 301 vertically.Alternatively, starter pinion 22 also is embodied as the small gear with straight-tooth.Except the pole shoe 31 with excitation winding 34 of electromagnetic excitation, also can use the utmost point of permanent-magnet-field.
The below will discuss engaging mechanism in detail.Engage relay 16 has wiring terminal 150, and this wiring terminal is electrical contact and is connected on the positive pole of starter motor battery (not shown here).This wiring terminal 150 passes relay cover 153.These relay cover 153 sealings are fixed on the casing of relay 156 at drive end bearing lid 19 places by means of a plurality of fixed elements 159 (bolt).In addition, attraction winding 162 and so-called maintenance winding 165 are set in engage relay 16.This attraction winding 162 and keep winding 165 both produce in the state of connecting respectively and flow through casing of relay 156 (being made by the electromagnetism conductive of material), the armature 168 of motion linearly and the electromagnetic field of armature yoke 171.Armature 168 is supported on the push rod 174 that moves to the direction of shut off valve 177 when attracting armature 168 linearly.Utilize push rod 174 to make the direction motion to two contacts 180 and 181 from its position of rest of this shut off valve 177 to the motion of shut off valve 177, thereby the contact bridge 184 towards the end of contact 180 and 181 that is arranged on shut off valve 177 is electrically connected to two contacts 180 and 181 mutually.Thus, electric power is directed into current feed 61 and and then is directed into carbon brush 58 through contact bridges 184 from wiring terminal 150.At this, be starting motor 13 energisings.
In addition, engage relay 16 or or rather armature 168 task of having be to utilize to pull element 187 to make can to cover 19 lever motions of layout with respect to drive end bearing with rotatablely moving.This lever 190 that usually is implemented as wishbone lever utilizes two to bite described two discs at this unshowned pointed tooth on the periphery of two discs 193 and 194, in order to make the resistance that overcomes spring 200 with rotating ring 197 that is clipped between two discs to freewheel 137 motions and starter pinion 22 is engaged in gear ring 25.
The parts that Fig. 2 shows starter pinion and is connected with this starter pinion.This starter pinion 22 is provided with external tooth, this external tooth in the state of engagement with the engagement of the gear ring of internal-combustion engine.22 places are configured with outstanding vertically flange 22a integratedly at starter pinion, and this flange has external tooth, and pinion shaft 300 can be installed on this external tooth.Pinion shaft 300 be configured to annular and within it the side place have can with the engagement type tooth section that engages of tooth section at flange 22a place.Thus, in the state that has assembled, starter pinion 22 and pinion shaft 300 can not link with relatively rotating, realize simultaneously the relatively moving vertically between pinion shaft and starter pinion.
In order vertically pinion shaft 300 to be fixed on starter pinion 22, flange 22a place's contiguous end face ground freely introducing around circular groove 22b, guard ring 303 can be inserted in this circular groove 22b.Guard ring 303 prevents, pinion shaft 300 can be vertically breaks away from from the flange 22a of starter pinion 22.
Pinion shaft 300 has the annular shoulder 300a with the external diameter that reduces, the spring element 301 of annular is engaged on this pinion shaft 300, and this spring element 301 is configured to wavy spring and transmits spring force in the axial direction between pinion shaft 300 and starter pinion 22.Spring element 301 has the function of combined spring and in the situation that occurs weakening impact on the starter pinion tooth collides internal-combustion engine to tooth gear ring.
In the state that has assembled, spring element 301 is covered by the cover piece 302 of annular, and it is upper and be supported on the end of the tooth section of starter pinion that this cover piece 302 can be installed into the flange 22a of starter pinion 22 equally.Cover piece 302 has L shaped cross section.
In addition, be provided with and hold axle 140, this holds axle with the rolling flange 140a that is fixedly connected with pinion shaft 300 in the state that has assembled.This holds axle 140 and is configured to the parts of sleeve shape and has to make to be set in treating the section that is connected with pinion shaft 300 become possible internal diameter on pinion shaft 300.In the zone of rolling flange 140a, reduced to hold the external diameter of axle 140, wherein, the external diameter of rolling flange 140a only passes through internal diameter and determines by minimum wall thickness (MINI W.).So design the size of this internal diameter, making to be set to becomes possibility on live axle.
As also can be as seen from Figure 2, the little lining 304 and 305 that can be used for holding live axle be inserted into respectively starter pinion 22 and hold axle 140.
In Fig. 3 and 4, show starter pinion 22 and pinion shaft 300 in the state that has assembled, comprise spring element 301 and cover piece 302 in the middle of being positioned at.These parts form the preassembled parts that can be used for the different application situation.Realize personalized coupling (Fig. 5) by having the heteroid axle 140 of holding that is connected with pinion shaft 300.
As can be from finding out the sectional view according to Fig. 4 and 6, the flange 22a at starter pinion 22 places has the axial length larger than pinion shaft 300.In the state that has assembled, pinion shaft 300 is pushed onto on flange 22a fully, thereby the end face freely of pinion shaft 300 has spacing with the end face freely of flange 22a vertically.Pinion shaft 300 is fixed in its position of having assembled on flange 22a vertically by the guard ring 303 in the groove that is accommodated in flange 22a place.
As can be as seen from Figure 6, hold axle 140 and only be connected with pinion shaft 300.Preferably, material ordinatedly, particularly by melting welding, soldering or bondingly realize this connection.
The internal diameter that be connected with pinion shaft 300, annular or the section of sleeve shape that holds axle 140 is greater than the external diameter at the flange 22a at starter pinion 22 places, thereby at the cylinder of the end face of adjacent flange 22a with hold between the inboard of axle 140 and form annular space.This annular space is realized, will be held axle 140 and be set on guard ring 303.Simultaneously, diametrically small-sized of this annular space is to prevent that guard ring 303 is expanded and breaks away from when the limit speed of over insurance ring.

Claims (11)

1. starter motor that is used for internal-combustion engine, it has the starter pinion (22) that can support movably with respect to the live axle (116) of described starter motor, this small gear can not link with the pinion shaft (300) that is configured to individual components with relatively rotating, it is characterized in that, during described starter pinion (22) and described pinion shaft (300) can insert each other, wherein, described pinion shaft (300) is being installed into outside the inner space that holds described live axle (116) on the flange (22a) of described starter pinion (22) diametrically, and be provided with and hold axle (140), this holds axle and is engaged in described live axle (116) upward and can not be connected with described pinion shaft (300) with relatively rotating.
2. according to starter motor claimed in claim 1, it is characterized in that, described pinion shaft (300) does not exceed the end face of the flange (22a) of described starter pinion (22) in the state that has assembled.
3. according to the described starter motor of claim 1 or 2, it is characterized in that, described starter pinion (22) can be adjusted with respect to described pinion shaft (300) in the axial direction, and is provided for applying the spring element (301) of axle spring power between starter pinion (22) and pinion shaft (300).
4. according to starter motor claimed in claim 3, it is characterized in that, described spring element (301) is wavy spring.
5. according to the described starter motor of claim 3 or 4, it is characterized in that, described spring element (301) is hidden by cover piece (302).
6. according to the described starter motor of any one in claim 1 to 5, it is characterized in that, described pinion shaft (300) is fixed on the flange (22a) of described starter pinion (22) vertically by safety element.
7. according to starter motor claimed in claim 6, it is characterized in that, described safety element is guard ring (303), this guard ring be contained in that the flange (22a) of described starter pinion (22) locates around groove (22b) in.
8. according to the described starter motor of claim 6 or 7, it is characterized in that, the described axle (140) of holding hides diametrically described safety element and makes described safety element upper in position at the flange (22a) of described starter pinion (22).
9. according to the described starter motor of any one in claim 1 to 8, it is characterized in that, described axle (140) material that holds is connected with described pinion shaft (300) ordinatedly, particularly welds.
10. according to the described starter motor of any one in claim 1 to 9, it is characterized in that, the described axle (140) of holding has rolling flange (140a) for free wheel device.
11. according to the described starter motor of any one in claim 1 to 10, it is characterized in that, at described starter pinion (22) with describedly be embedded with respectively be used to the little lining that holds described live axle (44) (304,305) in holding axle (140).
CN201180043248.0A 2010-09-09 2011-08-16 Starter for internal combustion engine Expired - Fee Related CN103109077B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010040527.2A DE102010040527B4 (en) 2010-09-09 2010-09-09 Starter for an internal combustion engine
DE102010040527.2 2010-09-09
PCT/EP2011/064052 WO2012031856A1 (en) 2010-09-09 2011-08-16 Starter for an internal combustion engine

Publications (2)

Publication Number Publication Date
CN103109077A true CN103109077A (en) 2013-05-15
CN103109077B CN103109077B (en) 2016-12-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6237432B1 (en) * 1997-12-17 2001-05-29 Valeo Equipement Electriques Moteur Motor vehicle starter incorporating improved overrunning clutch
US20020047269A1 (en) * 2000-10-20 2002-04-25 Mituhiro Murata Starter having pinion movement restricting member
EP1306549A2 (en) * 2001-10-27 2003-05-02 Robert Bosch Gmbh Push-screw driven starter for starting an internal combustion engine
CN1580543A (en) * 2003-08-15 2005-02-16 瓦莱奥万都电子系统(韩国)株式会社 Internal gear structure for start motor
WO2009121434A1 (en) * 2008-03-31 2009-10-08 Robert Bosch Gmbh Starting device
DE102008054979A1 (en) * 2008-12-19 2010-06-24 Robert Bosch Gmbh Method and device for start-stop systems of internal combustion engines in motor vehicles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6237432B1 (en) * 1997-12-17 2001-05-29 Valeo Equipement Electriques Moteur Motor vehicle starter incorporating improved overrunning clutch
US20020047269A1 (en) * 2000-10-20 2002-04-25 Mituhiro Murata Starter having pinion movement restricting member
EP1306549A2 (en) * 2001-10-27 2003-05-02 Robert Bosch Gmbh Push-screw driven starter for starting an internal combustion engine
CN1580543A (en) * 2003-08-15 2005-02-16 瓦莱奥万都电子系统(韩国)株式会社 Internal gear structure for start motor
WO2009121434A1 (en) * 2008-03-31 2009-10-08 Robert Bosch Gmbh Starting device
DE102008054979A1 (en) * 2008-12-19 2010-06-24 Robert Bosch Gmbh Method and device for start-stop systems of internal combustion engines in motor vehicles

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