CN106640468B - The starter of internal combustion engine - Google Patents
The starter of internal combustion engine Download PDFInfo
- Publication number
- CN106640468B CN106640468B CN201610459150.8A CN201610459150A CN106640468B CN 106640468 B CN106640468 B CN 106640468B CN 201610459150 A CN201610459150 A CN 201610459150A CN 106640468 B CN106640468 B CN 106640468B
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- China
- Prior art keywords
- pinion
- axial
- pinion gear
- moving body
- force
- Prior art date
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Classifications
-
- 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
- F02N15/065—Starter drives with blocking means
-
- 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
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0851—Circuits 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
-
- 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
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
-
- 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
- F02N15/063—Starter drives with resilient shock absorbers
-
- 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
- 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
- F02N2015/061—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 said axial displacement being limited, e.g. by using a stopper
Abstract
The present invention provides a kind of starter of internal combustion engine, it can be inhibited for limiting the case where mobile limiting member that pinion gear is moved by elastic component to ring gear side is fallen off due to rotary centrifugal force, the assembly operation of mobile limiting member can be made to become easy, the increase of the number of components can be inhibited.Force pinion part has：Pinion member with pinion gear teeth portion and pinion gear extension；Intermediate coupling member with spline engaging portion and expansion inside diameter；The elastic component to exert a force towards axial first side to pinion member relative to intermediate coupling member；And embedded pinion gear extension, the mobile limiting member that scale face between spline engaging portion and expansion inside diameter abuts against, the axial length for expanding inside diameter are shorter than the removable amplitude of the pinion member in the state of solving force pinion part from moving body foundation.
Description
Technical field
The present invention relates to a kind of startup of internal combustion engine with the pinion gear moved in the axial direction (pinion gear) dresses
It sets.
Background technology
In the starter of internal combustion engine, pinion gear is mutually engaged with the ring gear of internal combustion engine, and the rotation of electro-motor is driven
Power is transferred to internal combustion engine, to start internal combustion engine.In the technology of patent document 1 and patent document 2, in the moving body of pinion gear
Elastomeric element is set, being engaged between pinion gear and ring gear is strengthened by the elastic force of elastomeric element.
Existing technical literature
Patent document
Patent document 1：Japanese Patent Laid-Open 2006-161590 bulletins
Patent document 2：Japanese Patent Laid 2013-515910 bulletins
Invention content
The technical problems to be solved by the invention
However, in the technology of patent document 1, moved to ring gear side due to elastic component for limiting pinion gear
Pinion gear stopper element 26 be embedded in the peripheral surface of the inner tube 23 integrally rotated with output shaft.Therefore, stopped according to pinion gear
Material, the difference of shape of dynamic component 26, the rotary centrifugal force of output shaft may be such that the diameter of pinion gear stopper element 26 expands
Greatly, and the combination less reliable of inner tube 23.
In the technology of patent document 2, the position moved to ring gear side by elastic component for limiting pinion gear
Set the installation site that fixing component 76 is inserted into the radially inner side of hollow shaft 34.Therefore, expand hollow shaft 34 and fix structure with position
The diametrical interval of installation site of part 76, to be easily inserted position fixing component 76.On the other hand, in patent document 2
Technology in, the diameter of position fixing component 76 expands because of the rotary centrifugal force of output shaft, in order to prevent position fixing component
76 fall off from installation site, the gap inlay busher component being configured between position fixing component 76 and hollow shaft 34.However,
In the technology of patent document 2, need that sleeve member in addition is arranged, to there are problems that manufacturing cost increase.
Therefore, it is intended that a kind of starter of internal combustion engine is obtained, in the starter of the internal combustion engine, for limiting pinion gear
The mobile limiting member moved to ring gear side due to elastic component falls off and can obtain caused by due to rotary centrifugal force
Installation operation to inhibition, and mobile limiting member is easy, and the increase of the number of components can be inhibited.
Solve technological means used by technical problem
The starter of internal combustion engine according to the present invention has：Electro-motor；The rotation for transmitting the electro-motor is driven
The output shaft of power；Pinion gear moving body portion, the pinion gear moving body portion have the shifting combined with the output shaft helical spline
Kinetoplast basic courses department and it is connected via one-way clutch and the moving body basic courses department, and using elastic component to pinion gear court
Axial side is the force pinion part of axial first side force；And electronic extrusion mechanism, the electronic extrusion mechanism and institute
It states moving body basic courses department to fasten, so that pinion gear moving body portion is moved towards the first side of the axial direction when being powered, non-through
Pinion gear moving body portion is set to be moved towards the axial the second side of the first side of the axial direction opposite side when electric, the force pinion gear
Portion includes：Pinion member, the pinion member are arranged in the cylindrical member of the radial outside of the output shaft, have and are formed
The pinion gear for having the pinion gear teeth portion of the external tooth of the pinion gear and extending from the pinion gear teeth portion to the axial the second side
Extension；Intermediate coupling member, the intermediate coupling member are arranged in the radial outside of the pinion member, and described in composition
The cylindrical member of the lubrication groove of one-way clutch, has：The spline engaging portion that is combined with the pinion gear extension spline, Yi Jicong
The spline engaging portion extends to the axial the second side, and internal diameter is more than the expansion inside diameter of the spline engaging portion；Relative to
The elastic component that the intermediate coupling member exerts a force to the pinion member towards the first side of the axial direction；And mobile limit
Component processed, the movement limiting member are the embedded recess portions for being formed in the pinion gear extension peripheral surface and extending in the circumferential
Annular component is configured at the spline engaging portion of internal diameter variation and the axial direction for expanding the scale face between inside diameter
The second side limits the pinion member relative to the intermediate coupling member to described by being abutted against with the scale face
The movement of axial first side, the axial length ratio for expanding inside diameter are basic from the moving body by the force pinion part
The pinion member can be moved relative to the intermediate coupling member to the axial the second side in the state that part solves out
Dynamic removable amplitude wants short.
Invention effect
According to the starter of internal combustion engine according to the present invention, that will exert a force, pinion part is decomposed from moving body basic courses department
In the state of out, elastic component is being shunk, is making pinion member can towards the movement of axial the second side relative to intermediate coupling member
In the case of mobile range, expand inside diameter be not configured at pinion gear extension peripheral surface be formed by recess portion diameter it is outside
Side.Therefore, it is possible to which cricoid mobile limiting member is embedded in recess portion from radial outside, so as to make the group of mobile limiting member
Dress operability becomes easy.
On the other hand, it is assembled to moving body basic courses department side in force pinion part, in the state of elastic component elongation, by
In expansion inside diameter of the radial outside configured with intermediate coupling member in mobile limiting member, therefore, it is possible to inhibit mobile limit
The diameter of component processed expands because of rotary centrifugal force, so as to inhibit mobile limiting member to fall off.In addition, expanding inside diameter is
The axial the second side of bearing elastic member and constitute one-way clutch lubrication groove intermediate coupling member a part, therefore can
Inhibit the increase of the number of components.
Description of the drawings
Fig. 1 is the partial sectional view of the starter of the internal combustion engine involved by embodiment 1.
Fig. 2 be involved by embodiment 1 will exert a force pinion part from moving body foundation solution come out in the state of
The sectional view of force pinion part when elastic component stretches.
Fig. 3 be involved by embodiment 1 will exert a force pinion part from moving body foundation solution come out in the state of
The sectional view of force pinion part when contraction elastic component.
Fig. 4 is force pinion part when unloading mobile limiting member in the state of Fig. 3 involved by embodiment 1
Sectional view.
Fig. 5 is the small tooth in the state that pinion part that will exert a force is assembled to moving body basic courses department involved by embodiment 1
Take turns the sectional view in moving body portion.
Specific implementation mode
Embodiment 1
The starter 1 (hereinafter referred to as starter 1) of the internal combustion engine involved by embodiment 1 is carried out with reference to attached drawing
Explanation.Fig. 1 is the partial sectional view of the starter 1 gone out with the plane cutting by the axis of rotation H of electro-motor 3.Each structure
The details of part will be described later, and Fig. 2 to Fig. 4 is decomposed from moving body basic courses department 25 in the pinion part 30 that will exert a force
The sectional view for the pinion part 30 that exerts a force in the state of after out.Fig. 5 is will to exert a force pinion part 30 via 31 groups of one-way clutch
It is filled to the sectional view in the pinion gear moving body portion 20 in the state of moving body basic courses department 25.
The direction for the axis of rotation H for being parallel to electro-motor 3 is defined as axial X, the side of axial X is defined as axial direction
The opposite side of the axial first side X1 of axial X is defined as axial the second side X2 (figures by the first side X1 (right side in Fig. 1 to Fig. 5)
Left side in 1 to Fig. 5).
Starter 1 has：Electro-motor 3；Transmit the output shaft 7 of the rotary driving force of electro-motor 3；With output shaft 7
Helical spline combines and has the pinion gear moving body portion 20 of pinion gear 21 and one-way clutch 31；And make pinion gear when being powered
To axial first side X1 movements, when no power, makes the electricity that pinion gear moving body portion 20 is moved to axial the second side X2 in moving body portion 20
Dynamic pressure goes out mechanism 4.Each component is described in detail below.
Electro-motor 3 is that have the stator 40 for the cylindrical shape for being fixed on 37 inner peripheral surface of motor shell and be configured at stator
40 radially inner sides and in a rotatable way by the motor of the cylindric rotor 41 of bearing bearing.It is used in electro-motor 3
Direct current series motor.Stator 40 has permanent magnet, and rotor 41 has winding and commutator.Motor field frame 37 is formed as in axis
The bottomed cylindrical being open to the first side X1.
The rotary driving force of electro-motor 3 is passed to output shaft 7.In present embodiment, the rotary shaft of rotor 41 turns
Sub- axis 42 is connected via retarder 50 and output shaft 7.Electro-motor 3, retarder 50 and output shaft 7 are configured at axis of rotation H
It is coaxial on, configure retarder 50 in the axial first side X1 of electro-motor 3, it is defeated in the axial first side X1 configurations of retarder 50
Shaft 7.Retarder 50 becomes the planetary gear mechanism of single pinion type, has：Support multiple planetary gears 52 wheel carrier 53, from
The sun gear 51 for the external tooth that radially inner side is engaged with 52 phase of planetary gear；And it is engaged from radial outside with 52 phase of planetary gear
Internal tooth ring gear 54.Sun gear 51 is formed on armature spindle 42, wheel carrier 53 is connected with output shaft 7, ring gear
54 are fixed on the inner peripheral surface of motor field frame 37.
Output shaft 7 is formed as extending to the cylindric of axial first side X1 from retarder 50 on axis of rotation H.Output shaft
The end of 7 axial the second side X2 is connected with wheel carrier 53, and the end of the axial first side X1 of output shaft 7 is via bearing can revolve
The mode turned is supported on front casing 38.Front casing 38 is by part (output shaft 7, the small tooth of the axial first side X1 of starter 1
Wheel moving body portion 20 and gear lever 66 etc.) it is contained in the plate part of inside.It is substantially in cylinder that output shaft 7 is supported from radially inner side
The pinion gear moving body portion 20 of shape.
The part of the axial first side X1 of wheel carrier linking part on output shaft 7 becomes columned output shaft spline engaging portion
45, which is formed with the Turbo Flora keyway combined for helical spline in peripheral surface.Turbo Flora keyway
Be formed as the multiple spiral helicine slots obliquely extended relative to axial X, multiple spiral helicine slots landform at equal intervals in the circumferential
At in complete cycle.
The part of the axial first side X1 of output shaft spline engaging portion 45 on output shaft 7 becomes aftermentioned from radially inner side
Support the moving body supporting part 47 of the force pinion part 30 in pinion gear moving body portion 20.Moving body supporting part 47 is formed as path length
Smaller than output shaft spline engaging portion 45 is cylindric.Force pinion part 30 moves along body supporting part 47 and is moved up in axial X
It is dynamic.The end of the axial first side X1 of moving body supporting part 47 is equipped with cylindric stopper element 8, for limiting pinion gear
It is moved to axial first side X1 in moving body portion 20 (pinion gear 21).
Electronic extrusion mechanism 4 is to make pinion gear moving body portion 20 towards axial first side X1 movements when being powered, non-energized
When make the electric actuator that pinion gear moving body portion 20 is moved towards axial the second side X2.In present embodiment, electronic extrusion mechanism 4
It is configured at the radial outside of electro-motor 3.Electronic extrusion mechanism 4 has：It can move on axial X and be made of magnetic substance
Plunger 62；The plunger spring 63 to exert a force towards axial first side X1 to plunger 62；Plunger 62 is inhaled to axial the second side X2 when energization
The electromagnetic coil 64 drawn；And movement of the plunger 62 on axial X is made to be inverted and be passed with the second side X2 in the first side X1
It is handed to the gear lever 66 in pinion gear moving body portion 20.Gear lever 66 is can be carried out centered on being set to intermediate fulcrum 65
The rod member for rotating and radially extending, end and the plunger 62 of double pointed forked radial outside fasten, double pointed
The end of forked radially inner side fastens with pinion gear moving body portion 20 (holding section 36 of moving body basic courses department 25).Example
Such as, if user is on switch, electromagnetic coil 64 is powered by DC power supplies such as batteries, becomes energized state, if
Starting switch is turned off, then stops being powered electromagnetic coil 64, becomes non-power status.In present embodiment, plunger 62 by
Magnetic substance is constituted, and is had：In the piston body portion 68 of the bottomed cylindrical of axial first side X1 openings；It is inserted into piston body portion 68
Radially inner side columned plunger pin 69；And relative to piston body portion 68 towards axial the second side X2 to plunger pin
The spring pin 61 of 69 forces.From piston body portion 68 to the axial first side X1 of axial first side X1 plunger pins 69 outstanding
End fasten with gear lever 66.
In present embodiment, electronic extrusion mechanism 4 has motor switch 67, for being switched on or switched off to electro-motor 3
Direct current supply.The make and break contact of motor switch 67 is configured at the axial the second side X2 of plunger 62, and is configured in column
In the case that 62 (piston body portions 68) of plug are preset energization amount of movement or more to the amount of movement of axial the second side X2, open
Coila is closed.
Pinion gear moving body portion 20 has：The moving body basic courses department 25 that is combined with 7 helical spline of output shaft and via list
It is connected to clutch 31 and moving body basic courses department 25, and is exerted a force to axial first side X1 to pinion gear 21 by elastic component 22
Force pinion part 30.Moving body basic courses department 25 has (the hereinafter referred to as moving body spline of engaging portion 35 that helical spline combines
Engaging portion 35) and the holding section 36 that engages with electronic extrusion mechanism 4.The pinion part 30 that exerts a force has pinion gear 21 and utilizes bullet
Property component 22 to pinion gear 21 towards the elastic force-applying mechanism of axial first side X1 forces.
If starter 1 is assembled in internal combustion engine, the ring gear 9 of internal combustion engine is configured in axial the of pinion gear 21
Side X1.Pinion gear 21 is external tooth gear.Ring gear 9 is formed at the external tooth of the peripheral surface of the flywheel of the crank axle of internal combustion engine
Gear.In the case where powering to electronic extrusion mechanism 4, electronic extrusion mechanism 4 makes pinion gear 21 be moved towards axial first side X1,
To be engaged with 9 phase of ring gear of internal combustion engine.On the other hand, in the case where not powering to electronic extrusion mechanism 4, electronic pressure
Going out mechanism 4 makes pinion gear 21 be moved towards axial the second side X2, to which being engaged between the ring gear 9 of internal combustion engine is released from.
Axial first side X1 is the side being engaged with 9 phase of ring gear as a result, and axial the second side X2 is not engaged with ring gear 9
Side.
However, the state of the mountain of 9 mutual gear of pinion gear 21 and ring gear and paddy according to the two relative rotation angle
And it is inconsistent.Therefore, making pinion gear 21, towards when axial first side X1 movements, pinion gear 21 is not stung with 9 phase of ring gear sometimes
It closes, the end face and the end face of the axial the second side X2 of ring gear 9 of the axial first side X1 of pinion gear 21 abut against.The situation
Under, in order to make the rotation of pinion gear 21 that it be made to be engaged with 9 phase of ring gear, the pin bullet of elastic force-applying mechanism and plunger 62 is set
Spring 61.Specifically, after the end face of the end face of pinion gear 21 and ring gear 9 abuts against, due to elastic component 22 and pin
Spring 61 shrinks and so that piston body portion 68 continues to move towards axial the second side X2 so that motor switch 67 is opened.Then,
It powers to electro-motor 3, electro-motor 3 starts to rotate, and becomes the phase that pinion gear 21 can be mutually engaged with ring gear 9.If phase
Position is consistent, then due to the elongation of elastic component 22 and spring pin 61 so that pinion gear 21 and pinion gear moving body portion 20 into
One step is towards axial first side X1 movements, to which pinion gear 21 is engaged with 9 phase of ring gear.
One-way clutch 31 is only to be communicated up in the side of the transmission rotary force of ring gear 9 from output shaft 7 to internal combustion engine
The clutch mechanism of rotary force becomes the overload preventing mechanism of starter 1.That is, one-way clutch 31 is in pinion gear
Into joining line in the case that 21 rotating speed is more than the rotating speed of the ring gear 9 of internal combustion engine, and starting burning etc. because of internal combustion engine
And in the case of making the rotating speed of the rotating ratio pinion gear 21 of ring gear 9 want height, release connection.In present embodiment, unidirectionally
Clutch 31 has：Foreign steamer 10, lubrication groove 11 and the multiple fastened components 12 being configured between foreign steamer 10 and lubrication groove 11.Engaging
Component 12 fastens in the case where the rotating speed of foreign steamer 10 is more than the rotating speed of lubrication groove 11 with foreign steamer 10 and lubrication groove 11, in foreign steamer 10
Rotating ratio lubrication groove 11 rotating speed want low in the case of, release the engaging between foreign steamer 10 and lubrication groove 11.In this example, use
The one-way clutch 31 of cam-type, fastened component 12 are had to each roller using cylindrical roller towards circumferential side force
Spring (not shown).
The moving body spline engaging portion 35 of moving body basic courses department 25 is configured at the output shaft spline engaging portion 45 of output shaft 7
Radial outside is formed as cylindric.The inner peripheral surface of moving body spline engaging portion 35 be formed with for the spiral shell that is formed in output shaft 7
The Turbo Flora keyway that japanese bearbind keyway is mutually engaged.Moving body basic courses department 25 has：Axial first from moving body spline engaging portion 35
The flange part 71 for the annulus plate that the end of side X1 extends to radial outside；And from the radial outside end of flange part 71 to axis
The cylindric basic cylindrical portion 72 extended to the first side X1.Basic cylindrical portion 72 becomes the foreign steamer 10 of one-way clutch 31,
The radially inner side of basic cylindrical portion 72 is configured with roller 12.In order to engage roller 12, the diameter of the inner peripheral surface of basic cylindrical portion 72 exists
Circumferential each section is different.
The chimeric connecting elements for being useful for connection force pinion part 30 (connecting plate 80) of the peripheral surface of basic cylindrical portion 72
74, to be engaged by clamping.Connecting elements 74 has：It is mutually chimeric with the peripheral surface of basic cylindrical portion 72, and be engaged by clamping
Cylindrical portion；And the annulus plate-like portion that the end of the axial first side X1 from cylindrical portion extends to radially inner side.It utilizes
The annulus plate-like portion of connecting elements 74 and basic cylindrical portion 72 clamp connecting plate 80 from axial both sides, are fixed.Passing through will
Connecting elements 74 is under the dismounting of basic cylindrical portion 72, and so as to as Fig. 2 to Fig. 4, the pinion part 30 that will exert a force is from movement
Body basic courses department 25 decomposes.On the contrary, as shown in Figures 1 to 5, by installing connecting elements 74 to basic cylindrical portion 72, so as to
It is enough that force pinion part 30 is assembled to moving body basic courses department 25.
The center portion of axial X at the peripheral surface of moving body spline engaging portion 35 forms the circle of oriented radially inner side recess
The recess portion of annular, the bar stopper element 73 of annulus plate are mutually chimeric with recess portion.Circle between bar stopper element 73 and flange part 71
Double pointed forked end of the space of tubular inserted with gear lever 66.That is, bar stopper element 73 and 71 shape of flange part
At the holding section 36 with electronic extrusion mechanism 4.
As shown in Figures 1 to 4, force pinion part 30 includes：Pinion member 29, intermediate coupling member 23, elastic structure
Part 22 and mobile limiting member 24.Pinion member 29 is arranged in the component of the tubular of the radial outside of output shaft 7, tool
Have：It is formed with the pinion gear teeth portion 28 of the external tooth of pinion gear 21 and extends from the pinion gear teeth portion 28 to axial the second side X2
Pinion gear extension 27.Intermediate coupling member 23 is arranged in the radial outside of pinion member 29, and constitutes one-way clutch
The component of the tubular of the lubrication groove 11 of device 31, has：The spline engaging portion 85 that is combined with 27 spline of pinion gear extension and from this
Spline engaging portion 85 extends to axial the second side X2, and internal diameter is more than the expansion inside diameter 32 of spline engaging portion 85.Elastic component
22 exert a force to pinion member 29 towards axial first side X1 relative to intermediate coupling member 23.Mobile limiting member 24 is embedded shape
At in 27 peripheral surface of pinion gear extension and the annular component of recess portion 33 that extends in the circumferential, it is configured at the spline of internal diameter variation
Engaging portion 85 and the axial the second side X2 for expanding the scale face 34 (hereinafter referred to as mobile to limit scale face 34) between inside diameter 32,
Pinion member 29 is limited relative to intermediate coupling member 23 to axial first by being abutted against with mobile limitation scale face 34
The movement of side X1.
According to the structure, as shown in Figures 1 and 2, in the state that elastic component 22 extends, in mobile limiting member 24
The expansion inside diameter 32 of coupling member 23 among radial outside configuration, inhibits the diameter of mobile limiting member 24 because of rotary centrifugal force
And expand, so as to inhibit mobile limiting member 24 to fall off.In addition, expanding the axial direction that inside diameter 32 is bearing elastic member 22
The second side X2 and constitute one-way clutch 31 lubrication groove 11 intermediate coupling member 23 a part, therefore number of components can be inhibited
The increase of amount.In addition, being engaged with 9 phase of ring gear in pinion gear 21, the rotating speed of electro-motor 3 rises, and rotary centrifugal force increases
In the state of, since elastic component 22 extends, reliably it is configured in expansion in the radial outside of mobile limiting member 24
Diameter portion 32.
The inner peripheral surface of pinion member 29 is formed as cylindric.The inner peripheral surface of pinion member 29 is chimeric, and there are two cylindric
Sleeve member 81, and fixed.The inner peripheral surface of pinion member 29 is via the slideably movement with output shaft 7 of bushing 81
The peripheral surface of body supporting part 47 abuts against.The part of the axial first side X1 of pinion member 29 becomes pinion gear teeth portion 28,
The peripheral part of pinion gear teeth portion 28 is formed with the external tooth of pinion gear 21.The outer diameter of pinion gear teeth portion 28 is than pinion gear extension 27
Outer diameter is big.Pinion gear teeth portion 28 than pinion gear extension 27 more to the axial the second side X2's of radial outside part outstanding
End is formed with the scale face 83 (hereinafter referred to as pinion gear scale face 83) of the circular planes shape towards axial the second side X2.Small tooth
Wheel scale face 83 becomes the bearing surface from axial first side X1 bearing elastic members 22.In addition, the diameter of pinion gear teeth portion 28 is outside
The external tooth of pinion gear 21 is not formed in the end of the axial the second side X2 of the protruding portion of side.
The part of the axial the second side X2 of pinion member 29 becomes cylindric pinion gear extension 27, prolongs in pinion gear
The spline 82 combined for spline that can be slided on axial X is formed on the peripheral surface of extending portion 27.Spline 82 is formed as
The multiple slots extended on axial X, multiple slots are equally spaced formed in complete cycle in the circumferential.In this example, spline 82 is saw
The slot of dentation.Spline 82 is formed always until the end face of the axial the second side X2 of pinion gear extension 27.
The peripheral surface of pinion gear extension 27 forms the recess portion 33 that oriented radially inner side is recessed and extends in the circumferential.Recess portion
33 are formed near the end of axial the second side X2 of pinion gear extension 27, and extend on entire perimeter.It is cut at recess portion 33
Go to the mountain portion of spline 82.Recess portion 33 is embedded with cricoid mobile limiting member 24.Mobile limiting member 24 becomes the card of C fonts
Ring is formed as the circular component that the part in circumferential direction is cut out.It is mobile when the insertion recess portion 33 of limiting member 24 will be moved
The enlarged-diameter of limiting member 24.
Intermediate coupling member 23 has cylindric spline engaging portion 85.The inner peripheral surface of spline engaging portion 85, which is formed with, to be used for
The spline 84 being engaged with 82 phase of spline for the peripheral surface for being formed in pinion gear extension 27.The spline of spline engaging portion 85
84 are formed as multiple slots that axially X extends.It is more outstanding to radially inner side that the ratio of spline engaging portion 85 expands inside diameter 32
The end of partial axial the second side X2 is formed with the mobile limitation scale face 34 of the circular planes shape towards axial the second side X2.
Mobile limitation scale face 34 is configured at the axial first side X1 of mobile limiting member 24, in mobile limiting member 24 because of elastic component
22 force and in the case of axial first side X1 movements, abutted against with mobile limiting member 24, to limit mobile limitation
Component 24 is moved to axial first side X1.The end face of the axial first side X1 of spline engaging portion 85 becomes from axial the second side X2 branch
Hold the bearing surface of elastic component 22.
The peripheral surface of spline engaging portion 85 forms oriented cylindrical shape radially inner side recess and circumferentially extended in complete cycle
Plate recess portion 86, the radially inner side end of the connecting plate 80 of above-mentioned annulus plate is embedded in the plate recess portion 86.Plate recess portion 86 with
It is equipped with gap between connecting plate 80, relative rotation can be carried out.
Expand inside diameter 32 to be formed as prolonging to axial the second side X2 from the end of the axial the second side X2 of spline engaging portion 85
It stretches, and the cylindrical shape that internal diameter is bigger than spline engaging portion 85.It is more leaned on axially than plate recess portion 86 on the peripheral surface of spline engaging portion 85
The part of the second side X2 and the peripheral surface for expanding inside diameter 32 are formed as the cylindrical shape of same diameter, constitute one-way clutch 31
Lubrication groove 11 peripheral surface.
Intermediate coupling member 23 has a cylindric spring cup plate portion 87, and the spring cup plate portion 87 is from spline engaging portion 85
Axial first side X1 end extend to radial outside after extend towards axial first side X1.Spring cup plate portion 87 becomes covering
The cover sheet of the radial outside of elastic component 22.The internal diameter of spring cup plate portion 87 is more slightly larger than the outer diameter of pinion gear teeth portion 28.Cause
This, as shown in figure 3, in the case where elastic component 22 is shunk, the diameter that spring cup plate portion 87 is configured at pinion gear teeth portion 28 is outside
Side is not abutted against with the pinion gear scale face 83 of pinion gear teeth portion 28.Therefore, as shown in Fig. 2, being elongated to most in elastic component 22
In the case of length, spring cup plate portion 87 can be extended to the pinion gear scale face 83 of pinion gear teeth portion 28 to axial first side X1
Axial position until, the radial outside of entire elastic component 22 can be covered, to be protected.
Elastic component 22 uses coil spring.Elastic component 22 is configured at the end of the axial first side X1 of spline engaging portion 85
Between face and the axial direction in the pinion gear scale face 83 of pinion gear teeth portion 28, more specifically, it is configured at pinion gear extension 27
In cylindric space between peripheral surface and the radial direction of the inner peripheral surface of spring cup plate portion 87.Elastic component 22 is relative to spline knot
The end face of the axial first side X1 in conjunction portion 85 exerts a force to the pinion gear scale face 83 of pinion gear teeth portion 28 towards axial first side X1.
As shown in Figures 1 and 2, the state that mobile limitation scale face 34 is abutted with mobile limiting member 24 is pinion member
29 relative to intermediate coupling member 23 to the axial first maximum state of side X1 amount of movements, and be that elastic component 22 is elongated to longest
Maximum elongation state.Under the maximum elongation state, since the radial outside of the recess portion 33 in pinion gear extension 27 is configured with
Expand inside diameter 32, therefore mobile limiting member 24 is not easy to fall off from radial outside from recess portion 33.
Therefore, in order to be easy to unload mobile limiting member 24, it is configured to as shown in Figures 3 and 4, in the pinion part that will exert a force
30 in the state that moving body basic courses department 25 decomposites, and shrinks elastic component 22, pinion member 29 is made to connect relative to centre
Structural member 23 is moved to towards axial the second side X2 under maximum minimum elongation state, and expansion inside diameter 32 is not configured at pinion gear and prolongs
The radial outside of the recess portion 33 of extending portion 27.
Specifically, as shown in figure 3, pinion part 30 will be exerted a force from shifting by expanding length B ratio of the inside diameter 32 on axial X
Pinion member 29 can be towards axial the second side relative to intermediate coupling member 23 in the state that kinetoplast basic courses department 25 decomposites
The removable amplitude D of X2 movements wants short.Removable amplitude D is equal to from the elastic component 22 under maximum elongation state shown in Fig. 2
Axial length A change to the elastic component 22 under minimum elongation state shown in Fig. 3 axial length C amplitude of variation (=
A-C).In present embodiment, the state that elastic component 22 is fully compressed is minimum elongation state.
On the other hand, it is configured to as shown in Figure 5, the shape of 25 side of moving body basic courses department is assembled in the pinion part 30 that will exert a force
Under state, mobile progress of the moving body basic courses department 25 to pinion member 29 relative to intermediate coupling member 23 to axial the second side X2
Limitation.That is, under the assembled state of force pinion part 30, in pinion member 29 towards the movement of axial the second side X2
Before amount reaches the removable amplitude D of the pinion member 29 under the decomposing state of force pinion part 30, pinion member 29
Movement limited by moving body basic courses department 25.As a result, under the assembled state of force pinion part 30, pinion member 29
The removable amplitude G ratios moved towards axial the second side X2 relative to intermediate coupling member 23 exert a force the decomposing state of pinion part 30
The removable amplitude D of lower pinion member 29 wants small.
Specifically, moving bodys of the axial the second side X2 configured with moving body basic courses department 25 in pinion gear extension 27 is spent
Key engaging portion 35, before elastic component 22 is fully compressed, the end face of the axial the second side X2 of pinion gear extension 27 and shifting
The end face of the axial first side X1 of kinetoplast spline engaging portion 35 abuts against, to limit the movement of pinion member 29.Such as Fig. 5 institutes
Show, under maximum elongation state, the axis of the end face and moving body spline engaging portion 35 of the axial the second side X2 of pinion gear extension 27
Become the pinion member 29 under the assembled state of force pinion part 30 to the axial amplitude G between the end face of the first side X1
Removable amplitude G.
In addition, expand length B ratio of the inside diameter 32 on axial X is assembled to moving body basic courses department by force pinion part 30
Pinion member 29 can be moved relative to intermediate coupling member 23 towards the axial the second side X2 of pinion member 29 in the state of 25
The dynamic removable amplitude G until movement of pinion member 29 is limited by moving body basic courses department 25 will be grown.According to the structure,
After the pinion part 30 that will exert a force is assembled to moving body basic courses department 25, even if being shunk in elastic component 22, pinion member 29
Towards axial the second side X2 movements in the case that movement is limited by moving body basic courses department 25, expands inside diameter 32 and still configure
In the radial outside of mobile limiting member 24.As a result, after assembling exerts a force pinion part 30, no matter whether elastic component 22 is stretched
Contracting can maintain the state for expanding the radial outside that inside diameter 32 is configured at mobile limiting member 24, and can pass through expansion
Inside diameter 32 inhibits the diameter of mobile limiting member 24 to expand because of rotary centrifugal force.In addition, moving body basic courses department can be utilized
25 limit movement of the pinion member 29 towards axial the second side X2, therefore it is mobile and increase number of components to be suppressed to limitation
Amount.
As shown in figure 3, expanding the axial direction of the recess portion 33 of the inner peripheral surface of inside diameter 32 and the peripheral surface of pinion gear extension 27
Diametrical gap E is smaller than 24 diametrical thickness F of mobile limiting member between the part of the second side X2.According to the knot
Structure, since the gap E ratios expanded between inside diameter 32 and pinion gear extension 27 at the axial the second side X2 of recess portion 33 move
The thickness F of limiting member 24 wants small, therefore, even if being pressed into axial the by mobile limitation scale face 34 in mobile limiting member 24
In the case of two side X2, remain to that mobile limiting member 24 is prevented to be detached from from recess portion 33 towards axial the second side X2.Gap E, which becomes, to be expanded
The radius of the inner peripheral surface of inside diameter 32 and be formed in pinion gear extension 27 peripheral surface spline 82 mountain portion radius it
Between semidiameter.
In addition, the present invention can freely be combined each embodiment in its invention scope, or to each embodiment party
Formula progress deformation appropriate, omission.
Industrial practicability
The present invention can be suitably used for the starter of the internal combustion engine with the pinion gear moved in the axial direction.
Label declaration
The starter of 1 internal combustion engine, 3 electro-motors, 4 electronic extrusion mechanisms, the annular of 7 output shafts, 9 internal combustion engines
The removable amplitude of pinion member when gear, H axis of rotation, B expand the axial length of inside diameter, D is decomposed, E expand
The removable amplitude of gap, G pinion member when assembled between large diameter portion and pinion gear extension, X axial directions, X1
Axial first side, X2 axial directions the second side, the lubrication groove of 11 one-way clutch, 20 pinion gear moving body portions, 21 pinion gears, 22
Elastic component, 23 intermediate coupling members, 24 movement limiting members, 25 moving body basic courses departments, 27 pinion gear extensions, 28
Pinion gear teeth portion, 29 pinion members, 30 force pinion parts, 31 one-way clutch, 32 expand inside diameters, 33 recess portions,
34 scale faces (mobile limitation scale face), 35 moving body spline engaging portions, the holding section of 36 moving body basic courses departments, 45 outputs
Axis spline engaging portion, 47 moving body supporting parts, 50 retarders (planetary gear mechanism), 74 connecting elements, 80 connecting plates, 82
Spline, 83 pinion gear scale faces, 85 spline engaging portions, 87 spring cup plate portions.
Claims (3)
1. a kind of starter of internal combustion engine, has：
Electro-motor；
Output shaft, the output shaft transmit the rotary driving force of the electro-motor；
Pinion gear moving body portion, the pinion gear moving body portion have the moving body basis combined with the output shaft helical spline
Portion and be connected via one-way clutch and the moving body basic courses department, and using elastic component to pinion gear towards axial
Side is the force pinion part of axial first side force；And
Electronic extrusion mechanism, the electronic extrusion mechanism and the moving body basic courses department fasten, and make the pinion gear when being powered
Moving body portion is moved towards the first side of the axial direction, makes pinion gear moving body portion towards the first side of the axial direction phase when non-energized
The axial the second side movement tossed about,
The starter of the internal combustion engine is characterized in that the force pinion part has：
Pinion member, the pinion member are arranged in the cylindrical member of the radial outside of the output shaft, have and are formed with
The pinion gear teeth portion of the external tooth of the pinion gear and the pinion gear extended from the pinion gear teeth portion to the axial the second side are prolonged
Extending portion；
Intermediate coupling member, which is arranged in the radial outside of the pinion member, and constitutes the list
To the cylindrical member of the lubrication groove of clutch, have：The spline engaging portion that is combined with the pinion gear extension spline and from this
Spline engaging portion extends to the axial the second side, and internal diameter is more than the expansion inside diameter of the spline engaging portion；
The elastic component to exert a force towards the first side of the axial direction to the pinion member relative to the intermediate coupling member；
And
Mobile limiting member, the movement limiting member are that insertion is formed in the pinion gear extension peripheral surface and prolongs in the circumferential
The annular component for the recess portion stretched is configured at the spline engaging portion of internal diameter variation and the scale face expanded between inside diameter
The axial the second side, intermediate linked relative to described to limit the pinion member by being abutted against with the scale face
Movement of the component to the first side of the axial direction,
The axial length for expanding inside diameter by described than exerting a force what pinion part came out from the moving body foundation solution
Under state the pinion member relative to the intermediate coupling member to the mobile removable width of the axial the second side institute
Degree wants short.
2. the starter of internal combustion engine as described in claim 1, which is characterized in that
The moving body basic courses department is right in the state that the force pinion part is assembled to the moving body basic courses department side
The pinion member is limited relative to the intermediate coupling member to the movement of the axial the second side,
State of the axial length for expanding inside diameter than the force pinion part to be assembled to the moving body basic courses department
Under the pinion member relative to the intermediate coupling member to the axial the second side movement until the pinion member
Movement limited by the moving body basic courses department until the mobile removable amplitude of institute to grow.
3. the starter of internal combustion engine as claimed in claim 1 or 2, which is characterized in that
The inner peripheral surface for expanding inside diameter, with the axial direction of the recess portion on the peripheral surface of the pinion gear extension the
Radial clearance between the part of two sides is smaller than the radial thickness of the mobile limiting member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015213713A JP6009641B1 (en) | 2015-10-30 | 2015-10-30 | Starter for internal combustion engine |
| JP2015-213713 | 2015-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640468A CN106640468A (en) | 2017-05-10 |
| CN106640468B true CN106640468B (en) | 2018-07-24 |
Family
ID=57140267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610459150.8A Active CN106640468B (en) | 2015-10-30 | 2016-06-22 | The starter of internal combustion engine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6009641B1 (en) |
| CN (1) | CN106640468B (en) |
| FR (1) | FR3043145B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6385544B1 (en) * | 2017-10-03 | 2018-09-05 | 三菱電機株式会社 | Electromagnetic switch device for starter and starter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161590A (en) * | 2004-12-03 | 2006-06-22 | Denso Corp | Starter |
| CN102444523A (en) * | 2010-09-30 | 2012-05-09 | 罗伯特·博世有限公司 | Starter for a combustion engine |
| CN102686872A (en) * | 2009-12-30 | 2012-09-19 | 罗伯特·博世有限公司 | Starting device for an internal combustion engine |
| CN103032238A (en) * | 2011-10-07 | 2013-04-10 | 株式会社电装 | Starter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635559U (en) * | 1979-08-27 | 1981-04-06 |
-
2015
- 2015-10-30 JP JP2015213713A patent/JP6009641B1/en active Active
-
2016
- 2016-02-26 FR FR1651585A patent/FR3043145B1/en not_active Expired - Fee Related
- 2016-06-22 CN CN201610459150.8A patent/CN106640468B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161590A (en) * | 2004-12-03 | 2006-06-22 | Denso Corp | Starter |
| CN102686872A (en) * | 2009-12-30 | 2012-09-19 | 罗伯特·博世有限公司 | Starting device for an internal combustion engine |
| CN102444523A (en) * | 2010-09-30 | 2012-05-09 | 罗伯特·博世有限公司 | Starter for a combustion engine |
| CN103032238A (en) * | 2011-10-07 | 2013-04-10 | 株式会社电装 | Starter |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3043145A1 (en) | 2017-05-05 |
| FR3043145B1 (en) | 2021-02-26 |
| CN106640468A (en) | 2017-05-10 |
| JP2017082720A (en) | 2017-05-18 |
| JP6009641B1 (en) | 2016-10-19 |
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