CN103339372B - Launcher for internal combustion engine - Google Patents
Launcher for internal combustion engine Download PDFInfo
- Publication number
- CN103339372B CN103339372B CN201280006550.3A CN201280006550A CN103339372B CN 103339372 B CN103339372 B CN 103339372B CN 201280006550 A CN201280006550 A CN 201280006550A CN 103339372 B CN103339372 B CN 103339372B
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- Prior art keywords
- lever
- spring
- launcher
- section
- starter pinion
- Prior art date
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 25
- 239000007858 starting material Substances 0.000 claims abstract description 58
- 238000005304 joining Methods 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 230000000284 resting effect Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 210000000515 tooth Anatomy 0.000 description 29
- 238000004804 winding Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 19
- 230000033001 locomotion Effects 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 10
- 230000005611 electricity Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
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- 238000012546 transfer Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- 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
- F02N15/067—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 the starter comprising an electro-magnetically actuated lever
-
- 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
-
- 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
- F02N15/006—Assembling or mounting of starting devices
-
- 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
- F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
- F02N15/046—Gearing 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
-
- 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)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The present invention relates to a kind of launcher for internal combustion engine (10), it includes engagement actuator (16).Described engagement actuator (16) actuating linkage (190), makes starter pinion (22) be joined in the gear ring (25) of described internal combustion engine or therefrom disengage by described lever.At lever (190；202,204) pretension element (212) is accommodated on.Described pretension element (212) is handled by described engagement actuator (16).By a lever section (202,204) of lever (190), the spring force (228,234) acted in the direction of joining is acted on described starter pinion (22,143).
Description
Technical field
The present invention relates to the launcher for internal combustion engine.
Background technology
Document DE 1 268 433 relates to a kind of for the internal combustion with screw propulsion actuating device
The starting motor of machine.In order to make this screw propulsion actuating device move, application rigidly by
The lever that sheet material punching becomes, this lever partly includes bearing bolt by the centre portion of bending
And can arrange in the way of the swing of this bearing bolt.The cylinder being inserted in the recess of housing
This lever is pressed against on this bearing bolt by the compression spring of shape.The pull bar of magnetic switch acts on
On one end of lever, and the other end of lever is configured to fork-shaped.
The content of document DE 29 15 062 A1 is the starter for internal combustion engine.In order to ensure
In the tooth of the gear ring that the pinion gear teeth of little gear abuts in internal combustion engine, apply spring element.Should
Spring element includes the parts of the centre of two helical configuration, and it is reciprocally wound around also
And be connected with each other by means of middle lasso.In the parts of the centre of two helical configuration
Each is respectively provided with the extension of the form with straight arm, wherein, the spiral type structure of spring
The parts of the centre made are provided with support member.The straight-arm c of the parts of the centre of two helical configuration
Ensure return effect, and the lasso of centre be given for drive division control lever flexibly
The strong point that construct, that recall.
Document DE 33 17 071 A1 relates to the fork-shaped of the starter of a kind of electricity for internal combustion engine
Part.The forks arm of Y-piece and side can move and be bearing on common bolt each other.This
That are flexibly mutual by spring for the forks arm of two parts, that is Y-piece and side
Connect.Axle at the iron core of the switch that the upper part of forks arm and side is included in starter.
This Y-piece can be made and achieve by the material of plastics or metal according to document DE 33 17
The shorter embodiment of the launcher of 071 A1 and simplify its structure.
Document DE 10 2,007 061 106 A1 relate to a kind of starter for internal combustion engine and
A kind of method for assembling this starter.This starter includes being started motor-driven
Output shaft, this output shaft is loaded with the geared assembly that can move along the axial direction of this output shaft.
It is provided with and can implement by means of the both arms that cranking-motor relay swings to start internal combustion engine
Engagement, levers, this engagement, levers has the first and second lever arms, wherein, the first lever arm
Form fit connects ground and the tune of the cranking-motor relay of the axial-movement that can be parallel to output shaft
Complete machine structure engages and the second lever arm engages with the drivening piece of geared assembly.First lever arm
Can be introduced in the recess of the first lever arm by a part for guiding mechanism and by immediately
Guiding mechanism and engagement, levers and connect transverse to the relative motion form fit of the axis of output shaft
Ground connection engages with guiding mechanism.
Preferably, this guiding mechanism is made up of plastic material.
Document DE 697 04 094 T2 relates to the driving of a kind of improvement with starter pinion
Device and the starter of returning device.This starter includes the starter motor of electricity, by means of this
The output shaft that starter motor is driven by one-way clutch, this one-way clutch is arranged to again use
In transmitting rotation in only one direction.Additionally, this starter also includes movably fixing
On output shaft and can be little with what the ring gear of the planetary transmission of internal combustion engine engaged
Gear movement element, this starter also includes electromagnetic switch and little gear propulsion plant in addition,
It has at end and the coefficient lever of described electromagnetic switch.This little gear movement unit
Part can move relative to one-way clutch in the axial direction.Ball bearing is set, for borrowing
Help electromagnetic switch carried out axially towards planet tooth by lever actuated little gear movement element
The ring gear of wheel transmission device and travelling forward and returning movement away from this ring gear, wherein,
This ball bearing has and is in the internal ring of joint with little gear movement element and is in joint with lever
Outer shroud and the bearing ball that is arranged between two rings for only making internal ring and little gear
Motor element rotates jointly.
Make every effort to when development a new generation is for the starter of internal combustion engine by launcher unidirectional from
Close function to transfer in rotating driving device, particularly planetary transmission.This development
Direction is also seen as the one-way clutch mechanism fixed into position.Thus, can reduce by pre-engagement
Actuator, such as made its quality moved, thus at this by the magnet that engages engaging relay
The situation of kind can smaller design engagement actuator.Generate the problem that the most again, no longer
Can be by one-way clutch mechanism protection engagement spring to prevent excessive speeds, and in rotating speed mistake
The centrifugal force being likely to be due to occur at this time high destroys this engagement spring.For this reason,
The pressuring action being applied on starter pinion realized by this engagement spring should be transferred to
On other position within launcher.
One is related to little for starting known to from document DE 697 04 094 T2
In the solution of the driving of the improvement of gear and the starter of returning device, wishbone is provided with
The Double helix torque spring being made up of spring wire, for thus by wishbone and engagement spring
Function be integrated in a component.According to this solution, it is impossible to ensure without difficulty
The pretension that should be produced by wishbone.Being made up of spring wire in applying in this solution
Double helix torque spring tensioning time there is problems of, the interior diameter of gantry pillars diminishes also
And when wishbone is accurately bearing on this position by means of pin or axle, this bearing diameter
Reduce the function hampering Double helix torque spring.Additionally, due to the height of starter pinion turns
Speed, spring wire occur abrasion the highest, thus cannot ensure this launcher according to setting
Service life needed for meter charter.
In a new generation in the launcher of internal combustion engine, one-way clutch mechanism undertakes so far
Function is transferred in rotating driving device, particularly planetary transmission.With regard to this
Speech, is directed to the one-way clutch mechanism that position is fixing.Thus, engagement actuator it is made
The quality of motion can reduce, thus on the whole engagement actuator can set more compact conformation
Meter.But, being generated the problem that by this version, the engagement spring applied so far is worked as
No longer protected by one-way clutch actuating device and by described above during starter hypervelocity
Centrifugal force destroys.For this reason, it is carried out as follows and remedies, i.e. engagement spring function quilt
Transfer on other position.
Summary of the invention
It is proposed, according to the invention, that be used for handling starter pinion, that is starting little tooth
The lever handling starter pinion when wheel is engaged in the gear ring of internal combustion engine is provided with integrated pretension
Spring element, wherein, at least one side of this pretension element is by engagement actuator
Element is pulled directly to be handled.
In an advantageous embodiment modification of the solution proposed according to the present invention,
This preloading spring element is particularly configured to Double helix torque spring.The pretension bullet being constructed so as to
Spring element includes directly by the first spring side pulling member motion of engagement actuator
At least another the second spring side, this second spring side self loads preferably made note
The inner side of the lever of plastic, especially along connecing in starter pinion to the gear ring of internal combustion engine
Close direction this lever of pretension.Particularly it is configured to the preloading spring element of Double helix torque spring
Being installed in spring and accommodate in space, spring is accommodated space and is on the one hand moulded by preferably made
The sidewall of the lever of material moulding, on the other hand by the guide portion of lever and with at lever
The recess in bearing body that projection on outside complementally constructs accommodates.
Include that the first of multiple spring wrap portion is wound around respectively owing to Double helix torque spring has
Section and second is wound around the situation of section, and this Double helix torque spring is in spring accommodates space
Can be bearing on sidewall, the most in this place on the retaining element of spray to cast or kayser lug.By
This, can be avoided in an advantageous manner, and axle or bearing etc. are threaded through the bullet of spring wrap section
The inner chamber that spring wound portion limits.This is conducive to again the function of Double helix torque spring, because
Each wound portion being wound around section when loading this Double helix torque spring is compressed, and because of
It is fitted without part, it is ensured that not being subject to of preloading spring element for being wound around the inner chamber of section
That limit or uncrossed function.By propose according to the present invention with integrated, excellent
Selection of land is configured to the solution of the lever of the pretension element of Double helix torque spring, on the one hand
The function of lever can be realized, and this at least one winding section will not be due to this pressure when compression
Contracting causes following situations, it may be assumed that at least one is wound around section owing to being particularly configured to Double helix
The preloading spring element of torque spring is manipulated by and experiences diameter and reduce and owing to this diameter subtracts
Little it is stuck in through this at least one bearing being wound around section or through on the axle of this winding section.
Especially, the lever with integrated pretension element proposed according to the present invention passes through spray
The casting projection being conducive to oscillating motion on the outside of lever ensures.This is formed with collection
Become preloading spring element according to the present invention propose wishbone rotary shaft projection so that
The besieged mode of small part is bearing in recess, and this recessed configuration is at thick stick faced by bearing body
The spring of bar accommodates on the side in space.
Can balance by the solution proposed according to the present invention simply and bear for difference
Lever positions, the tolerance of particularly wishbone position.For handling, that is in order to
The lever according to present invention proposition making starter pinion be engaged in the gear ring of internal combustion engine has
First lever section, this first lever section includes guide portion, the first spring of pretension element
Side is directed in this guide portion.Additionally, according to the present invention propose, particularly make
The lever of plastic injection piece has the second lever section.On the one hand this second lever section is used as
For be preferably configured to the preloading spring element of Double helix torque spring at least one second
The bearing-surface of spring side.This make the lever of plastic injection piece this second lever section it
Inside it is configured to wishbone.Lever arm in two fork-shapeds ground molding of this second lever section
There is the kayser lug in the groove being joined to cincture on inner side, the groove structure of this cincture starts
On one side of little gear.Guaranteed by this advantageous embodiment modification, start little tooth
Wheel is connected, the most just with lever, the second lever section of being particularly configured to wishbone all the time
It is to say, guarantees that starter pinion is due at kayser lug and ring when handling engagement actuator
Persistently engaging and carrying out axially-movable between groove.
Accompanying drawing explanation
Fig. 1 shows the longitudinal sectional view of launcher,
Fig. 2 shows wishbone support on bearing body,
Fig. 3 shows lever, pretension element and the view of bearing body cut open,
Fig. 4 shows the lever with integrated spring element being particularly configured to wishbone
Top perspective view,
Fig. 5 shows the sectional view of the axonometric chart according to Fig. 4,
Fig. 6 shows the solid of the wishbone according to view in the diagram removing bearing body
Figure and the diagram of mounted preloading spring element,
Fig. 7 shows the lever being particularly configured to wishbone in resting position,
Fig. 8 shows the lever being particularly configured to wishbone in pre-engagement position,
Fig. 9 shows at tooth lever being particularly configured to wishbone in position on tooth,
Figure 10 shows the axonometric chart of the lever being particularly configured to wishbone,
Figure 11 show remove preloading spring element according to Figure 10 be particularly configured to fork
The diagram of the lever of shape bar,
Figure 12 shows lever and the section view of bearing body of the view with spring receiving space
Figure,
Figure 13 shows the first embodiment modification in lever supporting portion, and
Figure 14 shows another embodiment modification in lever supporting portion.
Detailed description of the invention
From according to the longitudinal section view that can obtain the launcher for internal combustion engine the diagram of Fig. 1
Figure.
This launcher 10 such as has starting motor 13 and engagement actuator 16, should
Engagement actuator is such as configured to relay, particularly starter relay.This starting is electronic
The engagement actuator 16 of machine 13 and electricity is fixed on a common drive end bearing lid 19.
Described starting motor 13 is functionally for being engaged in FIG when starter pinion 22
Time in the gear ring 25 of unshowned internal combustion engine, drive starter pinion 22.
This starting motor 13 has the pole pipe 28 as housing, and described pole is managed within it on week
Supporting multiple pole shoe 31, these pole shoes are wound around by an Exciting Windings for Transverse Differential Protection 34 respectively.Pole shoe 31
Surrounding again armature 37, this armature has the armature core being made up of thin slice 40 43 He
One armature winding 49 being arranged in multiple groove 46.Armature core 43 is pressed on drive shaft
On 44.Additionally, there is also mounted on the end away from starter pinion 22 of drive shaft 13
Diverter 52, described diverter 52 is especially made up of multiple single diverter thin slices 55.
Diverter thin slice 55 is electrically connected with armature winding 49 by known method so that passing through
Brush 58 produces the armature 37 rotation fortune in pole pipe 28 to diverter thin slice 55 when being energized
Dynamic.It is arranged on engagement actuator 16 and the current feed 61 started between motor 13 exists
It is not only brush 58 under on-state and powers for Exciting Windings for Transverse Differential Protection 34.Drive shaft 44 is being changed
It is supported in sliding bearing 67 by axle journal 64 to device side, this sliding bearing 67 position again
It is securely maintained in diverter bearing cap 70.Described diverter bearing cap 70 again by means of
Pull bar 73 is fixed in drive end bearing lid 19, and described pull bar 73 is distributed in pole pipe 28
(such as screw, such as two, three or four) on periphery.Here, pole pipe 28 supports
On drive end bearing lid 19, and diverter bearing cap 70 is supported on pole pipe 28.
Along driving direction, being connected to a sun gear 80 on armature 37, this sun gear is rotation
Turn a part for drive mechanism, particularly planetary gears 83.Sun gear 80 is multiple
Planetary gear 86, three row being supported on axle journal 92 mostly by way of rolling bearing 89
Star gear 86 surrounds.Planetary gear 86 rolls in ring gear 95, described ring gear 95
Side bearing is in pole pipe 28 in addition.On the direction of outlet side, planet carrier 98 is connected to
On planetary gear 86, trunnion 92 is contained in described planet carrier.Planet carrier 98 is bearing in again
In intermediate support body 101 and the sliding bearing 104 that is arranged in this intermediate support body 101.
Intermediate support body 101 is designed to basin shape, in order to accommodate planet carrier 98 and row wherein
Star gear 86.Additionally, be also provided with ring gear 95 in the intermediate support body 101 of basin shape,
This ring gear is closed relative to armature 37 finally by lid 107.Intermediate support body 101 passes through
Its neighboring is supported on the inner side of pole pipe 28.Armature 37 in drive shaft 13 away from diverter
There is on the end of 52 another axle journal 110 being similarly accommodated in sliding bearing 113.Institute
State in the medium pore that sliding bearing 113 is contained in again planet carrier 98.Planet carrier 98 and output
Axle 116 is integrally connected.This output shaft 116 passes through it away from intermediate support body 101
End 119 is bearing in another bearing 122, and this another bearing is fixed on drive end bearing
In lid 19.
Output shaft 116 is divided into different sections: be connected on the cunning being arranged on intermediate support body 101
Section in dynamic bearing 104 below be the section with straight-tooth 125 (external tooth), this straight-tooth
It it is a part for connecting structure of shaft hub 128.In this case, this connecting structure of shaft hub
128 make drivening piece 131 linear slide vertically be possibly realized.This drivening piece 131 is sleeve
The protuberance of shape.This starter pinion 22 is the most alternatively implemented to the little gear of straight-tooth.
The pole shoe 31 with Exciting Windings for Transverse Differential Protection 34 except electromagnetic excitation, it is possible to application permanent-magnet-field
Pole.Additionally, the engagement actuator 16 of electricity or the armature 168 of more specifically linear movement
Also has a task, i.e. by pulling element 187 to make one to be rotatably arranged in driving
Lever motion in end bearing cover 19.This lever 190 being generally configured to wishbone lever leads to
Cross two " pointed tooths " being shown without here and encase two discs 193 and 194 on their outer circumference,
So that the transmission ring 197 being clipped between the two disc moves, and see in the direction of joining,
Starter pinion 22 is thus made to be engaged in the external tooth of gear ring 25 of internal combustion engine.
Will be discussed below meshing mechanism.The engagement actuator 16 of described electricity has binding post
150, this binding post is electrical contact and the starting being connected to electricity in the case of being arranged in vehicle
On the positive pole of machine battery (the most not shown).This binding post 150 is through cap 153.
Second binding post 152 is the connection part for starting motor 13, by current feed 61
(thick twisted wire) supplies this starting motor 13.Cap 153 closes the housing being formed from steel
156, this housing is fixed on drive end axle by means of multiple retaining elements 159 (such as screw)
Hold on lid 19.Electricity engagement actuator 16 in be also provided with pushing means 160 with
In pulling force being applied on wishbone 190 and switching device 161.This pushing means 160 is wrapped
Include winding 162 and this switching device 161 includes another winding 165.Described pushing means
The winding 162 of 160 and the winding 165 of switching device 161 produce one the most in an on state
Individual electromagnetic field, described electromagnetic field flows through different parts.Except having straight-tooth 125, described
Connecting structure of shaft hub 128 also can be provided with multi start thread tooth.Here, assembled scheme is also possible
, wherein
A) starter pinion 22 is helical teeth and connecting structure of shaft hub 128 has straight-tooth 125,
B) starter pinion 22 is helical teeth and connecting structure of shaft hub 128 has multi start thread tooth,
Or
C) starter pinion 22 is straight-tooth, and connecting structure of shaft hub 128 has multi start thread tooth.
Utilize reference 171 to represent the armature yoke of engagement actuator 16, its with can line
Property motion a side of armature 168 relative.Reference 174 represents push rod, accompanying drawing
Labelling 177 represents switch pin.Contact bridge 184 accommodates contact 180 and 181.
Fig. 2 shows the engagement actuator 16 being arranged in housing 156, and it has can be
On axial direction, motion pulls element 187.This pulls element 187 to include opening, particularly
First spring side 216 of the preloading spring element 212 being configured to Double helix torque spring connects
Close in this opening.The preloading spring element 212 partly illustrated is integrated into
Particularly make in the lever 190 of plastic member.This lever 190 includes the first lever section
(see position 202) and the second lever section 204 extended to the direction of starter pinion 22.
The card lock pin 238 being located on the lower end of the second lever section 204 is joined to start
In circumferential groove 236 on the side backward of little gear 22.This starter pinion 22 self
Axially displaceably it is arranged on output shaft 116 and includes helical teeth 143, according to Fig. 2
Diagram in it is particularly configured to outer helical teeth.
As can be not only surrounded and show the most in detail as according to the diagram of Fig. 2 obtains in addition
Go out start motor 13 pole pipe 28 and also engagement actuator 16 is all bearing in common
On drive end bearing lid 19.It is implemented as especially with integrated preloading spring element 212
The lever 190 of plastic injection piece is bearing on bearing body 206.On the outside of lever 190
Arranging and be integrally molded at the pin on lever 190, this pin is introduced in as rotary shaft 224
Bearing body 206 points in the recess 208 on the side of lever 190.
Fig. 3 shows the sectional view of the diagram according to Fig. 2.
Obtain from according to the diagram of Fig. 3, be especially structured to Double helix torque spring
Preloading spring element 212 has the first spring side 216, and it is contained in by engagement actuator
16 make what it moved to pull in the recess 214 in element 187.
In addition Fig. 3 illustrates, spring element 212 includes at least one interior diameter freely first
It is wound around section 220.This first winding section 220 is maintained at spring and accommodates in chamber, this spring
Accommodate chamber on the one hand by the semicircular recess 208 on a side of bearing body 206
Limit and on the other hand limited by the free space in lever 109.Especially from root
Drawing according in the diagram of Fig. 3, (from described first spring side 216) first is wound around district
The interior diameter of section 220 is fitted without part, does not particularly have bearing or an axle.Therefore ensure that,
During spring-compressed, (it makes to be wound around section 220 and is clamped on this in the reduction that diameter lumen occurs
On the bearing not actually existed maybe this axle not actually existed) it is not resulted in preloading spring element 212
Locked.
Draw from according to the three-dimensional cutaway view of Fig. 3, be particularly configured to Double helix torsion bullet
This at least one winding section 220 of the preloading spring element 212 of spring is arranged in bearing body 206
Recess 208 in and preferably made moulding lever 190 with described recess 208
Relative spring accommodates in space 244.The starting motor 13 of envelops itself launcher 10
Pole pipe 28 be positioned under this bearing body 206.
Combining Fig. 3 in fig. 2 can be seen that, ring gear 95 self utilizes body angle 96 somewhat
Stretch into spring to accommodate in space 244.This advantageously causes, and launcher 10 is embodied as more
Compact.Also illustrate this relation in fig. 14.
Fig. 4 shows assembly bearing body, preloading spring element and lever with axonometric chart.
Drawing from Fig. 4, lever 190 is by spray to cast pin on the outside of lever 190
There is the first lever section 202 and in this rotary shaft 224 above the rotary shaft 224 formed
Under there is the second lever section 204 substantially extending side by side being configured to Y-piece 210.
It is provided with card lock pin 238 on the bottom of the second lever section 204 extending side by side in the two,
It engages the circumferential groove on the side backward of starter pinion 22 shown in figure 2
In 236.Preferably, the guide portion being not yet shown specifically is prolonged inside the first lever section 202
Stretching, this guide portion guide engagement is to pulling in element 187 (diagram see according to Fig. 3)
One spring side 216.
Fig. 5 shows the lever with integrated preloading spring element that figure 4 illustrates
The sectional view of axonometric chart.
Fig. 5 illustrates, the recess 208 and particularly making at bearing body 206 is made of plastics
Moulding lever 190 cavity between formed spring accommodate space, not only preloading spring
The first of element 212 is wound around section 220 and the second winding section 222 accommodates at this spring
Space extends.First spring side 216 extends through this first lever section 202, and arrives
Another second side 218 few abuts in on the inner side of lever 190 of profile.Particularly structure
The spring receiving interior volume that is bearing in causing the lever 190 of wishbone 210 passes through bearing body
206 are installed on lever 190 realize.
Fig. 6 shows the axonometric chart of the lever with integrated preloading spring element, should at this
Preloading spring element is particularly configured to Double helix torque spring.
As Double helix torsion bullet can be configured to as according to the axonometric chart of Fig. 6 obtains
The preloading spring element 212 of spring is bearing in the rotary shaft 224 of wishbone 190 on inner side
In region.Especially, this is preferably configured to the preloading spring element of Double helix torque spring
212 so support so that laterally realize this supporting and guarantee to compress at spring element 212
Time interior diameter reduce in the clear.Fig. 6 illustrates, the first spring side 216 substantially edge
Vertical direction to upwardly extend, and two are wound around section 220 and 222 and are located side by side at rotation
In the plane of axle 224.At least one second spring side 218 relative to be wound around section 220,
222 extend obliquely downward along vertical direction.The fork formed by the second lever section 204
Shape part 210 has card lock pin 238 already mentioned above on inner side, and it is joined to show in fig. 2
In the circumferential groove 236 on the side backward of starter pinion 22 gone out.
Fig. 7 shows the lever with integrated preloading spring element in resting position.
The resting position of the lever 190 being particularly configured to wishbone that figure 7 illustrates is shown
Going out, the starter pinion 22 with external tooth 143 occupies its resting position on output shaft 116.
Card lock pin 238 on the inner side of the lower end being positioned at the second lever section 204 is joined to ring
In groove 236, thus starter pinion 22 handle engagement actuator 16 time (see root
Housing 156 according to Fig. 7) can move along output shaft 116 in the axial direction.From Fig. 7
In draw, not only engagement actuator 16 and also output shaft 116 is bearing in common drive end
In bearing cap 19.In addition Fig. 7 illustrates, resting position 226 shown in this figure and lever
In 190, the first spring side 216 be positioned at can axially move pull element 187
Opening 214 within.The lever 190 surrounding preloading spring element 212 is bearing in bearing body
On 206.Accommodate the pole pipe 28 starting motor 13 not being shown specifically in the figure 7 and be positioned at axle
Hold below body 206.
In the resting position 226 shown in the diagram according to Fig. 7 of lever 190, edge
The direction of engagement starter pinion 22 is seen, the first spring force 228 is acted on by this lever 190
On this starter pinion 22.
Fig. 8 shows the pre-engagement position of starter pinion 22 after handling engagement actuator
Put.
After handling engagement actuator 16, this engagement actuator 16 pulls unit
Part 187, thus it is passed through the first spring side pulling the recess 214 in element 187 to extend
216 move, and result makes lever 190 swing around rotary shaft 224 and the second lever section 204
Starter pinion 22 is made to move along output shaft 116 in the axial direction.It is desirable that
The external tooth 143 of this starter pinion 22 is engaged to the gear ring 25 of the internal combustion engine that figure 1 illustrates
External tooth in.In this case, the preloading spring element 212 being integrated in lever 190
Equally by the first spring force 228 (direction of engagement along starter pinion 22 is pointed to) effect
On this starter pinion 22.The pre-engagement position of the starter pinion 22 according to Fig. 8 leads to
Cross reference 230 represent and with illustrating according to reference position in the diagram of Fig. 7 226
Resting position different, for expression, there is the first lever section 202 and the second lever district
The lever 190 of section 204 rotates relative to the higher deflection of axle 224.
From according to the lever positions 232 of available " tooth is on tooth " the diagram of Fig. 9.From root
Draw according in the diagram of Fig. 9, (if external tooth 143 is not on any teeth groove of gear ring 25)
The end face of starter pinion 22 and the end face of gear ring 25 then contact with each other.Owing to " tooth is at tooth
On " position 232, starter pinion 22 is not engaged to wait to start with its external tooth 143
Internal combustion engine gear ring 25 external tooth in.In this case, due to the second lever section 204
Can not deflect (with reference in fig .9 around rotary shaft 224 when handling engagement actuator 16
Housing 156), produce by the second lever section 204 and circumferential groove 236 along joint side
To the second spring force 234 being applied on starter pinion 22.In this case, utilize
Starter pinion 22 is loaded until starting more than the second spring force 234 of the first spring force 228
Little gear 22 or or rather its external tooth 143 are engaged to outside the gear ring 25 of internal combustion engine
In tooth.
Figure 10 shows the wishbone being particularly configured with integrated preloading spring element
Lever.
As can draw from Figure 10, particularly it is configured to the pre-of Double helix torque spring
Tight spring element 212 is by its first winding section 220 and its second winding section 222 base
In the region of the rotary shaft being positioned at the lever 190 provided by pin 224 in basis.This is particularly
Make the lever of plastic injection piece include the first lever section 202 with guide portion 240 with
And it is configured to the second lever section 204 of Y-piece 210.It is substantially parallel to each other at two
In the second lever section 204 that fork-shaped ground extends, being joined to of the most repeatedly mentioning starts little
The clamping pin 238 in circumferential groove 236 on the side backward of gear 22 is positioned on inner side.
From according to the diagram of Figure 11 obtaining lever, particularly without the root of preloading spring element
Wishbone according to Figure 10.
Obtain from Figure 11, (see position in fig. 12 in spring accommodates the region in space
Put 244), kayser lug 242 is positioned at lever in the way of away from the pin of formation rotary shaft 224
On the inner side of the side of 190, this kayser lug only fixes preloading spring element 202 in side
The first winding section 220 and second be wound around section 222.Thus, two are wound around section 220
With 222 interior diameter keep being fitted without part, thus handling the first bullet around rotary shaft 224
During spring side 216, the interior diameter reduction being wound around section 220 and 222 is not resulted in blocking, also
That is preloading spring element 212 is locked.Additionally, after moulded springs side 216,
And thus after preloading spring element 212 being assembled to spring and accommodates in space 244
Reserve unappropriated, empty gap 245 between two the first wound portions, also see Fig. 6,10,
12.This gap 245 accommodates the part in space 244 for spring and achieves preloading spring
The element 212 assembling in spring accommodates space 244.If being not provided with this gap 245, in advance
The wound portion of tight spring element 212 can not be inserted into spring and accommodate in space 244, because that
This relative kayser lug 242 does not allow preloading spring element 212 unhinderedly to introduce spring
Accommodate in space 244.Corresponding first wound portion at least after spring side 216 at it
Inside is freely (free space 250), thus this corresponding first wound portion will not be revolved
Twist lock is dead.
Accommodating in space 244 to preloading spring element 212 be assembled to spring, providing two
Kind feasible scheme:
In the first feasible scheme, lay respectively at the two half-unit and two of spring side 216
Wound portion (" winding group ") between individual side 218 is moved to each other, in order to by these
Wound portion can be pushed through between kayser lug 242 simultaneously.Thus, preloading spring is passed through
The wound portion of the two half-unit of preloading spring element 212 (" is wound around by the release of element 212
Group ") shift onto on kayser lug 242.Afterwards, overall when wound portion (" winding group ")
Time less than the mutual distance of two kayser lugs 242, this preloading spring element 212 acts as
With.
In the second feasible scheme, it is positioned at the two half-unit of spring side 216 and two sides
It is convex that wound portion (" winding group ") between limit 218 one after the other and thus moves across kayser
Between ear 242 and respectively at the card being pulled to be correlated with respectively after kayser lug 242
On lock lug 242.Subsequently, when wound portion (" winding group ") is generally than two kaysers
When lug 242 distance to each other is wider, this is necessary.
Figure 12 shows the sectional view in lever supporting portion 200.
Obtain from according to the diagram of Figure 12, be particularly configured to the pre-of Double helix torque spring
The winding section 220 or 222 of tight spring element 212 is arranged in spring and accommodates in space 244,
Because limiting for laterally fixing by the kayser lug 242 that figure 11 illustrates in side
Preloading spring element 212, and on the other hand limited by the side of bearing body 206, particularly
The projection on the outside of lever 109 for accommodating formation rotary shaft 224 already mentioned above
Recessed 208 be positioned in this bearing body 206.
As can be obtained from Figure 12, the pin of the rotary shaft 224 forming lever 190 is special
It not to be accommodated in drive end bearing lid 19.The pin of this formation rotary shaft 224 is through structure
Recess 208 in bearing body 206 bears against on bearing cap 19, thus rotary shaft 224 exists
Bearing cap 19 occupies the position clearly limited.
Figure 13 shows the first embodiment modification in lever supporting portion.As shown in Figure 13
Like that, the pin of rotary shaft 224 is formed on the lever 190 be particularly configured to wishbone one
Aspect accommodates, on the other hand by constructing the supporting portion 252 in drive end bearing lid 19
Recess 208 same purpose in bearing body 206 is to the most unshowned lever 190
Formation rotary shaft 224 pin on.Bearing portion 252 example according to diagram in fig. 13
Such as the sheet material shaped with may be designed to U-shaped, its such as can be injected in bearing body 206 or
Person can be stuck at this or be otherwise affixed at this.
From another the operational feasibility side according to lever supporting portion available the diagram of Figure 14
Case.
This bearing body 106 includes recess 228 equally, the right rather than rotary shaft 224 of formation pin
But the profile of lever 190 itself abuts on this recess 228.With figure 13 illustrates
Differently, this bearing body 206 includes limiting recessed the first embodiment modification in lever supporting portion
The roll bearing arm 224 of mouth 256.The rotary shaft 224 of the lever 190 formed by bearing pin is supported
In this recess 256.From this lever supporting portion 200, particularly it is configured to wishbone
Lever 190 includes the first lever section 202, its from rotary shaft 224 along vertical direction
Upwardly extend, and be particularly configured to the second lever section 204 of wishbone from lever supporting
200, portion downwardly extends.
According in the diagram of Figure 14, reference 95 is utilized to be expressed as figure 1 illustrates
The outline of ring gear 95 of a part of rotating driving device 83.Here, at spring
The corresponding free space 250 being wound around in section 220,222 is twined by more than only one spring
Surround around portion.
Claims (12)
1. the launcher (10) for internal combustion engine, described launcher has manipulation
The engagement actuator (16) of lever (190), utilizes described lever to make starter pinion (22)
It is joined to disengage in the gear ring (25) of described internal combustion engine or from described gear ring, and described
Lever (190；202,204) preloading spring element (212) is accommodated on, wherein said
At least one spring side (216) of preloading spring element (212) is by described pre-engagement
The element (187) that pulls of actuator (16) is directly handled, wherein, described in pull element
(187) include that opening (214), the first spring side (216) are joined in this opening,
And by lever section (202,204) by act in the direction of joining spring force (228,
234) act on described starter pinion (22), and described pretension element (212)
There is at least one spring wrap section (220,222), it is characterised in that described spring
It is wound around section (220) and accommodates side in space (244) at the spring of described lever (190)
Be supported on that a kayser lug (242) is upper and another spring wrap section (222) exists
Spring receiving space (244) of described lever (190) is supported on and described card laterally
On another kayser lug (242) that lock lug (242) is put relatively.
Launcher the most according to claim 1 (10), it is characterised in that described
At least one spring wrap section (220,222) surrounds free space (250).
3. according to the launcher (10) according to any one of the claims, its feature
Being, described pretension element (212) has two spring wrap sections (220,222),
Gap (245) is there is between said two spring wrap section.
Launcher the most according to claim 1 and 2 (10), it is characterised in that
Ring gear (95) self utilizes body angle (96) to stretch into described spring receiving space (244)
In.
Launcher the most according to claim 1 and 2 (10), it is characterised in that
Described lever (190) is made of plastics and has the first lever section (202) and at least
One the second lever section (204).
Launcher the most according to claim 5 (10), it is characterised in that described
Lever (190) has for described pretension element (212) in the first lever section (202)
Guide portion (240), described second lever section (204) is Y-piece (210), connects
Close the card lock pin of the pre-engagement being used for described starter pinion (22) in circumferential groove (236)
(238) it is arranged on described Y-piece (210).
Launcher the most according to claim 1 and 2 (10), it is characterised in that
Described pretension element (212) is for having the double of the first and second spring sides (216,218)
Helix torsion spring.
Launcher the most according to claim 7 (10), it is characterised in that at least
After described spring side (216), corresponding first wound portion is freely in therein,
It is thus possible to make this corresponding first wound portion will not rotate locked.
Launcher the most according to claim 6 (10), it is characterised in that described
Spring accommodates space (244) at least one aspect by bearing body (206) and its recess (208)
And on the other hand by guide portion (240) and the kayser lug (242) of described lever (190)
Limit.
Launcher the most according to claim 1 and 2 (10), it is characterised in that
Resting position (226) in described lever (190) neutralizes described starter pinion (22)
Pre-engagement position (230) in load described starter pinion with the first spring force (228).
11. launchers according to claim 1 and 2 (10), it is characterised in that
With the second bullet in the lever positions (232) of " tooth is on the tooth " of described lever (190)
Spring force (234) loads described starter pinion (22) in the direction of joining, and described starting is little
When the end face of gear (22) and the end face of described gear ring (25) contact with each other, " tooth exists in formation
On tooth " position.
12. launchers according to claim 9 (10), it is characterised in that described
Lever (190) can be swung around the rotary shaft (224) limited by pin, wherein, described
Pin is bearing in the recess (208) of described bearing body (206).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011003200.2 | 2011-01-26 | ||
| DE102011003200.2A DE102011003200B4 (en) | 2011-01-26 | 2011-01-26 | Starting device for internal combustion engines |
| PCT/EP2012/051249 WO2012101223A2 (en) | 2011-01-26 | 2012-01-26 | Starter device for internal combustion engines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103339372A CN103339372A (en) | 2013-10-02 |
| CN103339372B true CN103339372B (en) | 2016-11-09 |
Family
ID=45566982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280006550.3A Active CN103339372B (en) | 2011-01-26 | 2012-01-26 | Launcher for internal combustion engine |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2668395B1 (en) |
| CN (1) | CN103339372B (en) |
| BR (1) | BR112013018162B1 (en) |
| DE (1) | DE102011003200B4 (en) |
| HU (1) | HUE048743T2 (en) |
| RU (1) | RU2607435C2 (en) |
| WO (1) | WO2012101223A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015225380A1 (en) * | 2015-12-16 | 2017-06-22 | Robert Bosch Gmbh | Starting device for internal combustion engines |
| DE102016226125A1 (en) | 2016-12-22 | 2018-06-28 | Seg Automotive Germany Gmbh | Starting device for internal combustion engines |
| CN109296489B (en) * | 2018-09-27 | 2024-02-09 | 浙江瑞申汽配有限公司 | Starter for automobile |
| DE102020131529A1 (en) | 2020-11-27 | 2022-06-02 | Seg Automotive Germany Gmbh | Starting device for an internal combustion engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2120272A1 (en) * | 1970-05-15 | 1971-12-02 | Fabbrica Italiana Magneti Marelli S.P.A., Mailand (Italien) | Device for engaging and disengaging the starter pinion for internal combustion engines, in particular for motor vehicles |
| US6202497B1 (en) * | 1999-04-13 | 2001-03-20 | Mitsubishi Denki Kabushiki Kaisha | Shift lever assembly for an electric starter motor |
| CN201705521U (en) * | 2010-05-11 | 2011-01-12 | 泉州市艺达车用电器有限公司 | Starter shifting fork pivot structure |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB913077A (en) * | 1959-12-24 | 1962-12-19 | Lucas Industries Ltd | Improvements in or relating to mechanism for starting internal combustion engines |
| US3283595A (en) * | 1964-08-11 | 1966-11-08 | Nippon Denso Co | Engine starter |
| DE1268433B (en) | 1966-01-15 | 1968-05-16 | Bosch Gmbh Robert | Starting motor for internal combustion engines with screw drive |
| ZA783651B (en) * | 1977-07-01 | 1979-06-27 | Lucas Industries Ltd | Starter motor |
| FR2423650A1 (en) | 1978-04-18 | 1979-11-16 | Paris & Du Rhone | Starter motor for IC engine - has single spring to return solenoid core and press home pinion engagement lever |
| SI8210989A8 (en) | 1982-05-10 | 1994-12-31 | Iskra Avtoelektrika Nova Goric | Fork of an electric starter for internal combustion motors |
| FR2635144B1 (en) * | 1988-08-06 | 1994-02-04 | Mitsubishi Denki Kk | GEAR MOVEMENT MECHANISM OF AN ENGINE STARTER |
| JPH0510781U (en) * | 1991-07-18 | 1993-02-12 | 株式会社三ツ葉電機製作所 | Pinion shift lever structure for starter |
| JP3603486B2 (en) | 1996-07-16 | 2004-12-22 | 株式会社デンソー | Starter |
| JP3740658B2 (en) * | 2000-04-18 | 2006-02-01 | 三菱電機株式会社 | Shift lever device for starter motor |
| DE102007061106A1 (en) | 2007-12-19 | 2009-06-25 | Robert Bosch Gmbh | Starter motor, for an internal combustion motor, has the end part of the relay actuator in a recess at the first lever arm of the engaging lever |
-
2011
- 2011-01-26 DE DE102011003200.2A patent/DE102011003200B4/en active Active
-
2012
- 2012-01-26 HU HUE12702780A patent/HUE048743T2/en unknown
- 2012-01-26 EP EP12702780.3A patent/EP2668395B1/en active Active
- 2012-01-26 BR BR112013018162-1A patent/BR112013018162B1/en active IP Right Grant
- 2012-01-26 RU RU2013139236A patent/RU2607435C2/en active
- 2012-01-26 WO PCT/EP2012/051249 patent/WO2012101223A2/en active Application Filing
- 2012-01-26 CN CN201280006550.3A patent/CN103339372B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2120272A1 (en) * | 1970-05-15 | 1971-12-02 | Fabbrica Italiana Magneti Marelli S.P.A., Mailand (Italien) | Device for engaging and disengaging the starter pinion for internal combustion engines, in particular for motor vehicles |
| US6202497B1 (en) * | 1999-04-13 | 2001-03-20 | Mitsubishi Denki Kabushiki Kaisha | Shift lever assembly for an electric starter motor |
| CN201705521U (en) * | 2010-05-11 | 2011-01-12 | 泉州市艺达车用电器有限公司 | Starter shifting fork pivot structure |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2668395A2 (en) | 2013-12-04 |
| CN103339372A (en) | 2013-10-02 |
| RU2607435C2 (en) | 2017-01-10 |
| BR112013018162A2 (en) | 2018-09-18 |
| WO2012101223A3 (en) | 2013-01-10 |
| HUE048743T2 (en) | 2020-08-28 |
| DE102011003200A1 (en) | 2012-07-26 |
| DE102011003200B4 (en) | 2020-06-18 |
| RU2013139236A (en) | 2015-08-10 |
| BR112013018162B1 (en) | 2021-05-04 |
| WO2012101223A2 (en) | 2012-08-02 |
| EP2668395B1 (en) | 2019-12-18 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180131 Address after: Stuttgart, Germany Patentee after: SEG Automotive Germany Co.,Ltd. Address before: Stuttgart, Germany Patentee before: Robert Bosch Ltd. |
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| TR01 | Transfer of patent right |