CN106640468A - Starting device of internal combustion engine - Google Patents
Starting device of internal combustion engine Download PDFInfo
- Publication number
- CN106640468A CN106640468A CN201610459150.8A CN201610459150A CN106640468A CN 106640468 A CN106640468 A CN 106640468A CN 201610459150 A CN201610459150 A CN 201610459150A CN 106640468 A CN106640468 A CN 106640468A
- Authority
- CN
- China
- Prior art keywords
- little gear
- pinion
- moving body
- force
- axial direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 29
- 230000004323 axial length Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 28
- 238000010168 coupling process Methods 0.000 claims description 28
- 238000005859 coupling reaction Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 20
- 239000007858 starting material Substances 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000005461 lubrication Methods 0.000 claims description 13
- 230000002035 prolonged effect Effects 0.000 claims 1
- 210000000515 tooth Anatomy 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 241000222712 Kinetoplastida Species 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 2
- 241000217446 Calystegia sepium Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
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)
- Gear Transmission (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention provides a starting device for an internal combustion engine for restricting the falling of a movement restricting member, for restricting the movement of a pinion gear to a ring gear side by an elastic member, due to the rotational centrifugal force, and enabling the assembly of the movement restricting member to be easy, and suppressing the increase in the number of members. The force-applying pinion gear portion includes a pinion gear member having a pinion tooth portion and a pinion extending portion; an intermediate connecting member having a spline engaging portion and an enlarged inner diameter portion; an elastic member for applying force to the pinion gear member toward the axial first side relative to the intermediate connecting member; and a movement restricting member embedded into the pinion extending portion and abutted against the step difference surface between the the spline engaging portion and the enlarged inner diameter portion. The axial length of the enlarged inner diameter portion is shorter than the movable range of the pinion gear member in a state where the force-applying pinion gear portion is decomposed from a moving body base portion.
Description
Technical field
The present invention relates to a kind of startup dress of internal combustion engine with the little gear for moving in the axial direction (pinion gear)
Put.
Background technology
In the starter of internal combustion engine, little 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, so as to start internal combustion engine.In the technology of patent document 1 and patent document 2, in the moving body of little gear
Elastomeric element is set, being engaged between little gear and ring gear is strengthened by the elastic force of elastomeric element.
Prior art literature
Patent document
Patent document 1：Japanese Patent Laid-Open 2006-161590 publication
Patent document 2：Japanese Patent Laid 2013-515910 publication
The content of the invention
Invent technical problem to be solved
However, in the technology of patent document 1, for limiting little gear because of elastic component to the side shifting of ring gear one
Little gear stopper element 26 be embedded in the outer peripheral face of the inner tube 23 integratedly rotated with output shaft.Therefore, stopped according to little gear
The material of dynamic component 26, the difference of shape, the rotary centrifugal force of output shaft expands may the diameter of little gear stopper element 26
Greatly, and inner tube 23 combination less reliable.
In the technology of patent document 2, for limiting little gear because of elastic component to the position of the side shifting of ring gear one
Put the installation site that fixing component 76 is inserted into the radially inner side of quill shaft 34.Therefore, expand quill shaft 34 and fix structure with position
The installation site of part 76 interval diametrically, so as 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 come off from installation site, the gap inlay busher component being configured between position fixing component 76 and quill shaft 34.However,
In the technology of patent document 2, need to arrange sleeve member in addition, so as to there is a problem of that manufacturing cost increases.
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 little gear
Come off and can obtain to what the mobile limiting member of the side shifting of ring gear one was caused due to rotary centrifugal force because of elastic component
To suppression, and the installation operation of mobile limiting member is easily, and the increase of the number of components can be inhibited.
Solve the technological means that technical problem is adopted
The starter of internal combustion engine involved in the present invention possesses：Electro-motor；The rotation for transmitting the electro-motor is driven
The output shaft of power；Little gear moving body portion, the little gear moving body portion has the shifting combined with the output shaft helical spline
Kinetoplast basic courses department and it is connected with the moving body basic courses department via one-way clutch, and using elastic component to little gear court
The side of axial direction is the force pinion part of axially the first side force；And electronic extrusion mechanism, the electronic extrusion mechanism and institute
State moving body basic courses department to fasten, the little gear moving body portion is made towards the side shifting of the axial direction first when being powered, non-through
The little gear moving body portion is made when electric towards axially second side shifting of the first side of axial direction opposition side, the force little gear
Portion includes：Pinion member, the pinion member is arranged in the cylindrical member of the radial outside of the output shaft, with formation
The little gear teeth portion for having the external tooth of the little gear and the little gear extended from the little gear teeth portion to the side of the axial direction second
Extension；Middle coupling member, the middle coupling member is arranged in the radial outside of the pinion member, and constitutes described
The cylindrical member of the lubrication groove of one-way clutch, has：Spline joint portion, the Yi Jicong combined with the little gear extension spline
The spline joint portion to the side of the axial direction second extends, and internal diameter is more than the expansion inside diameter of the spline joint portion；Relative to
The elastic component that the middle coupling member exerts a force to the pinion member towards the side of the axial direction first；And mobile limit
Component processed, the movement limiting member is to be embedded in be formed at the little gear extension outer peripheral face and the recess for extending in the circumferential
Annular component, the axial direction in the jump face being configured between the spline joint portion of internal diameter change and the expansion inside diameter
Second side, the pinion member is limited by abutting against with the jump face relative to the middle coupling member to described
The axially movement of the first side, the axial length ratio of the expansion inside diameter is basic from the moving body by the force pinion part
Part solution out in the state of the pinion member can move to the side of the axial direction second relative to the middle coupling member
Dynamic removable amplitude is short.
Invention effect
According to the starter of internal combustion engine involved in the present invention, force pinion part is being decomposed from moving body basic courses department
In the state of out, elastic component is being shunk, making pinion member relative to middle coupling member towards axially the second side shifting can
In the case of mobile range, the footpath that expansion inside diameter is not configured at the recess that the outer peripheral face of little gear extension is formed is outside
Side.Therefore, it is possible to the mobile limiting member of ring-type is embedded in into recess from radial outside such that it is able to make the group for moving limiting member
Dress operability becomes easy.
On the other hand, be assembled to moving body basic courses department side in force pinion part, in the state of elastic component elongation, due to
The radial outside of mobile limiting member is configured with the expansion inside diameter of middle coupling member, and therefore, it is possible to suppress mobile structure is limited
The diameter of part expands because of rotary centrifugal force such that it is able to suppress mobile limiting member to come off.In addition, it is supporting to expand inside diameter
Axial second side of elastic component and a part for the middle coupling member of the lubrication groove for constituting one-way clutch, therefore, it is possible to suppress
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 force pinion part from moving body foundation solution out in the state of elasticity
The sectional view of force pinion part during member extension.
Fig. 3 be involved by embodiment 1 will force pinion part from moving body foundation solution out in the state of shrink
The sectional view of force pinion part during elastic component.
Fig. 4 is the section view of the force pinion part when mobile limiting member is unloaded in the state of Fig. 3 involved by embodiment 1
Figure.
Fig. 5 is that the little gear in the state of force pinion part is assembled to into moving body basic courses department involved by embodiment 1 is moved
The sectional view in kinetoplast portion.
Specific embodiment
Embodiment 1
The starter 1 (hereinafter referred to as starter 1) of the internal combustion engine involved by embodiment 1 is said referring to the drawings
It is bright.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 component
Details will be described later, Fig. 2 to Fig. 4 be will force pinion part 30 decompositing from moving body basic courses department 25
The sectional view of the pinion part 30 that exerts a force in the state of after coming.Fig. 5 is to assemble force pinion part 30 via one-way clutch 31
The sectional view in the little gear moving body portion 20 to moving body basic courses department 25.
The direction of the axis of rotation H parallel to electro-motor 3 is defined as into axial X, the side of axial X is defined as into axial direction
First side X1 (right side in Fig. 1 to Fig. 5), by the opposition side of the axially first side X1 of axial X axially the second side X2 (figures are defined as
Left side in 1 to Fig. 5).
Starter 1 possesses：Electro-motor 3；The output shaft 7 of the rotary driving force of transmission electro-motor 3；With output shaft 7
Helical spline is combined and the little gear moving body portion 20 with little gear 21 and one-way clutch 31；And make little gear when being powered
Moving body portion 20 makes little gear moving body portion 20 to the electricity of axially the second side X2 movements to axially the first side X1 movements during no power
Dynamic pressure goes out mechanism 4.Each component is described in detail below.
Electro-motor 3 is that have the cylindric stator 40 for being fixed on the inner peripheral surface of motor shell 37 and be configured at stator
The motor of 40 radially inner sides and the cylindric rotor 41 for rotatably being supported by bearing.Used in electro-motor 3
Direct current series motor.Stator 40 possesses permanent magnet, and rotor 41 possesses winding and commutator.Motor field frame 37 is formed as in axle
To the bottomed cylindrical of the first side X1 openings.
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- axle 42 is connected via decelerator 50 with output shaft 7.Electro-motor 3, decelerator 50 and output shaft 7 are configured at axis of rotation H
It is coaxial on, it is defeated in axially the first side X1 configurations of decelerator 50 in axially the first side X1 configuration decelerators 50 of electro-motor 3
Shaft 7.Decelerator 50 becomes the planetary gears of single pinion type, has：Support multiple planetary gears 52 wheel carrier 53, from
The sun gear 51 of the external tooth that radially inner side is mutually engaged with planetary gear 52；And be mutually engaged with planetary gear 52 from radial outside
Internal tooth ring gear 54.Sun gear 51 is formed with armature spindle 42, wheel carrier 53 is connected with output shaft 7, ring gear
54 inner peripheral surfaces for being fixed on motor field frame 37.
Output shaft 7 is formed as extending to the cylindric of the first side X1 of axial direction from decelerator 50 on axis of rotation H.Output shaft
The end of 7 axially 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 for turning is supported on front casing 38.Front casing 38 is by part (output shaft 7, the little tooth of the axially first side X1 of starter 1
Wheel moving body portion 20 and gear lever 66 etc.) it is contained in the plate part of inner side.It is substantially in cylinder that output shaft 7 is supported from radially inner side
The little gear moving body portion 20 of shape.
The part of the axially first side X1 of the wheel carrier linking part on output shaft 7 becomes columned output shaft spline joint portion
45, the output shaft spline joint portion 45 is formed with the Turbo Flora keyway combined for helical spline in outer peripheral face.Turbo Flora keyway
Be formed as the multiple spiral helicine groove obliquely extended relative to axial X, multiple spiral helicine grooves landform at equal intervals in the circumferential
Into in complete cycle.
The part of the axially first side X1 of the output shaft spline joint portion 45 on output shaft 7 becomes described later from radially inner side
The moving body support 47 of the force pinion part 30 in supporting little gear moving body portion 20.Moving body support 47 is formed as path length
Less than output shaft spline joint portion 45 is cylindric.Force pinion part 30 moves along body support 47 and moves on axial X
It is dynamic.The end of the axially first side X1 of moving body support 47 is provided with the stopper element 8 of cylindrical shape, for limiting little gear
Moving body portion 20 (little gear 21) is to axially the first side X1 movements.
Electronic extrusion mechanism 4 is that little gear moving body portion 20 is made when being powered towards axially the first side X1 movements, non-energized
When make little gear moving body portion 20 towards the electric actuator of axially the second side X2 movements.In present embodiment, electronic extrusion mechanism 4
It is configured at the radial outside of electro-motor 3.Electronic extrusion mechanism 4 possesses：Can move on axial X and be made up of magnetic
Plunger 62；To plunger 62 towards the plunger spring 63 that axially the first side X1 exerts a force；Plunger 62 is inhaled to axially the second side X2 during energization
The solenoid 64 for drawing；And movement of the plunger 62 on axial X is inverted and is passed in the first side X1 and the second side X2
It is handed to the gear lever 66 in little gear moving body portion 20.Gear lever 66 be can by be arranged at centre fulcrum 65 centered on carry out
Rotation and the rod member for radially extending, end and the plunger 62 of its double pointed forked radial outside fasten, double pointed
The end of forked radially inner side fastens with little gear moving body portion 20 (holding section 36 of moving body basic courses department 25).Example
Such as, if user is on switch, solenoid 64 is powered by dc sources such as batteries, becomes "on" position, if
Shut-off activate switch, then stop being powered solenoid 64, becomes non-power status.In present embodiment, plunger 62 by
Magnetic is constituted, and is possessed：In the piston body portion 68 of the axially bottomed cylindrical of the first side X1 openings；Insertion piston body portion 68
Radially inner side columned plunger pin 69；And relative to piston body portion 68 towards axially the second side X2 to plunger pin
The spring pin 61 of 69 forces.From the axially first side X1 of the plunger pin 69 prominent to axially the first side X1 of piston body portion 68
End fasten with gear lever 66.
In present embodiment, electronic extrusion mechanism 4 possesses motor switch 67, for being switched on or switched off to electro-motor 3
Galvanic supply.The make and break contact of motor switch 67 is configured at the axially second side X2 of plunger 62, and is configured in post
62 (piston body portions 68) of plug to the amount of movement of axially the second side X2 be it is more than energization amount of movement set in advance in the case of, open
Coila is closed.
Little gear moving body portion 20 has：The moving body basic courses department 25 that combined with the helical spline of output shaft 7 and via list
It is connected with moving body basic courses department 25 to clutch 31, and little gear 21 is exerted a force to axially the first side X1 by elastic component 22
Force pinion part 30.Moving body basic courses department 25 has (the hereinafter referred to as moving body spline of joint portion 35 that helical spline is combined
Joint portion 35) and the holding section 36 that engages with electronic extrusion mechanism 4.Force pinion part 30 has little gear 21 and utilizes bullet
Property component 22 to little gear 21 towards axially the first side X1 forces elastic force-applying mechanism.
If starter 1 is assembled in into internal combustion engine, the ring gear 9 of internal combustion engine is configured in axially the of little gear 21
Side X1.Little gear 21 is external tooth gear.Ring gear 9 is formed at the external tooth of the outer peripheral face 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 little gear 21 towards axially the first side X1 movements,
So as to the ring gear 9 with internal combustion engine is mutually engaged.On the other hand, in the case where not powering to electronic extrusion mechanism 4, electronic pressure
Going out mechanism 4 makes little gear 21 towards axially the second side X2 movements, so as to the being engaged and ring gear 9 of internal combustion engine between is released from.
Thus, axially the first side X1 is the side being mutually engaged with ring gear 9, and axially the second side X2 is not engaged with ring gear 9
Side.
However, the mountain of little gear 21 and the mutual gear of ring gear 9 and paddy according to both relative rotation angles state
And it is inconsistent.Therefore, when making little gear 21 towards axially the first side X1 movements, sometimes little gear 21 is not mutually stung with ring gear 9
Close, the axially end face of the first side X1 of little gear 21 is abutted against with the end face of the axially second side X2 of ring gear 9.The situation
Under, in order that little gear 21 rotates to make it mutually be engaged with ring gear 9, the pin bullet of elastic force-applying mechanism and plunger 62 is set
Spring 61.Specifically, after the end face of little gear 21 and the end face of ring gear 9 are abutted against, due to elastic component 22 and pin
Spring 61 shrinks and piston body portion 68 is continued towards axially the second side X2 movements so that motor switch 67 is opened.Then,
Electro-motor 3 is powered, electro-motor 3 starts rotation, becomes the phase place that little gear 21 can mutually be 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 little gear 21 and little gear moving body portion 20 are entered
One step is moved towards axially the first side X1, so as to little gear 21 is mutually engaged with ring gear 9.
One-way clutch 31 is only to be communicated up in the side of the transmission revolving force of ring gear 9 from output shaft 7 to internal combustion engine
The clutch mechanism of revolving force, becomes the overload preventing mechanism of starter 1.That is, one-way clutch 31 is in little gear
21 rotating speed more than the rotating speed of the ring gear 9 of internal combustion engine in the case of enter joining line, and starting burning etc. because of internal combustion engine
And in the case of causing the rotating speed of the rotating ratio little gear 21 of ring gear 9 to want height, release and link.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 will it is 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 is possessed to each roller towards circumferential side force using cylindrical roller
Spring (not shown).
The moving body spline joint portion 35 of moving body basic courses department 25 is configured at the output shaft spline joint portion 45 of output shaft 7
Radial outside, is formed as cylindric.The inner peripheral surface of moving body spline joint portion 35 be formed with for the spiral shell for being formed at output shaft 7
The Turbo Flora keyway that japanese bearbind keyway is mutually engaged.Moving body basic courses department 25 possesses：From the axial direction first of moving body spline joint portion 35
The flange part 71 of the annulus tabular that the end of side X1 extends to radial outside；And from the radial outside end of flange part 71 to axle
To the cylindric basic cylindrical portion 72 that the first side X1 extends.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 roller 12 is engaged, the diameter of the inner peripheral surface of basic cylindrical portion 72 exists
Circumferential each several part is different.
The chimeric connecting elements having for connection force pinion part 30 (connecting plate 80) of the outer peripheral face of basic cylindrical portion 72
74, to be engaged by clamping.Connecting elements 74 has：It is mutually chimeric with the outer peripheral face of basic cylindrical portion 72, and be engaged by clamping
Cylindrical portion；And the annulus plate-like portion extended to radially inner side from the end of the axially first side X1 of cylindrical portion.Utilize
The annulus plate-like portion of connecting elements 74 and basic cylindrical portion 72 are fixed clamping connecting plate 80 from axial both sides.By inciting somebody to action
Connecting elements 74 is under the dismounting of basic cylindrical portion 72 such that it is able to as Fig. 2 to Fig. 4, by force pinion part 30 from movement
Body basic courses department 25 decomposes.Conversely, as shown in Figures 1 to 5, by the way that connecting elements 74 is attached to into basic cylindrical portion 72, so as to
It is enough that force pinion part 30 is assembled to into moving body basic courses department 25.
The middle body of the axial X at the outer peripheral face of moving body spline joint portion 35 forms the circle of oriented radially inner side depression
The recess of annular, the bar stopper element 73 of annulus tabular is mutually chimeric with recess.Circle between bar stopper element 73 and flange part 71
The space of tubular is inserted with double pointed forked end of gear lever 66.That is, bar stopper element 73 and the shape of flange part 71
Into the holding section 36 with electronic extrusion mechanism 4.
As shown in Figures 1 to 4, the pinion part 30 that exerts a force includes：Pinion member 29, middle 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 little gear teeth portion 28 of the external tooth of little gear 21 and extends to axially the second side X2 from the little gear teeth portion 28
Little gear extension 27.Middle 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 joint portion 85 that combined with the spline of little gear extension 27 and from this
Spline joint portion 85 to axially the second side X2 extends, and internal diameter is more than the expansion inside diameter 32 of spline joint portion 85.Elastic component
22 exert a force to pinion member 29 relative to middle coupling member 23 towards axially the first side X1.Mobile limiting member 24 is embedded shape
Into in the outer peripheral face of little gear extension 27 and the annular component of recess 33 that extends in the circumferential, the spline of internal diameter change is configured at
The axially second side X2 in the jump face 34 (hereinafter referred to as mobile to limit jump face 34) between joint portion 85 and expansion inside diameter 32,
By abutting against with mobile restriction jump face 34 pinion member 29 is limited relative to middle coupling member 23 to axial direction first
The movement of side X1.
According to the structure, as shown in Figures 1 and 2, in the state of elastic component 22 extends, in mobile limiting member 24
The expansion inside diameter 32 of coupling member 23 in the middle of radial outside configuration, suppresses the diameter of mobile limiting member 24 because of rotary centrifugal force
And expand such that it is able to suppress mobile limiting member 24 to come off.In addition, expanding the axial direction that inside diameter 32 is bearing elastic member 22
Second side X2 and constitute one-way clutch 31 lubrication groove 11 middle coupling member 23 a part, therefore, it is possible to suppress number of components
The increase of amount.Additionally, being mutually engaged with ring gear 9 in little gear 21, the rotating speed of electro-motor 3 rises, and rotary centrifugal force increases
In the state of, because elastic component 22 extends, therefore the radial outside in mobile limiting member 24 is reliably configured with expansion
Footpath portion 32.
The inner peripheral surface of pinion member 29 is formed as cylindric.The inner peripheral surface of pinion member 29 is chimeric two cylindrical shapes
Sleeve member 81, and fixed.The inner peripheral surface of pinion member 29 via bushing 81 slidably with the movement of output shaft 7
The outer peripheral face of body support 47 is abutted against.The part of the axially first side X1 of pinion member 29 becomes little gear teeth portion 28,
The peripheral part of little gear teeth portion 28 is formed with the external tooth of little gear 21.The external diameter of little gear teeth portion 28 is than little gear extension 27
External diameter is big.The axially second side X2's of the part more prominent to radial outside than little gear extension 27 of little gear teeth portion 28
End is formed with the jump face 83 (hereinafter referred to as little gear jump face 83) towards the axially circular planes shape of the second side X2.Little tooth
Wheel jump face 83 becomes the bearing-surface from axial first side X1 bearing elastic members 22.Additionally, the footpath of little gear teeth portion 28 is outside
The end of the axially second side X2 of the protuberance of side is formed without the external tooth of little gear 21.
The part of the axially second side X2 of pinion member 29 becomes cylindric little gear extension 27, prolongs in little gear
The spline 82 combined for spline that can be slided on axial X is formed with the outer peripheral face of extending portion 27.Spline 82 is formed as
The multiple grooves extended on axial X, multiple grooves are equally spaced formed in the circumferential complete cycle.In this example, spline 82 is saw
The groove of dentation.Spline 82 is formed always to the axially end face of the second side X2 of little gear extension 27.
The outer peripheral face of little gear extension 27 forms oriented radially inner side depression and the recess 33 for extending in the circumferential.Recess
33 are formed near the axially end of the second side X2 of little gear extension 27, and extend on whole girth.Cut at recess 33
Go to the mountain portion of spline 82.Recess 33 is embedded with the mobile limiting member 24 of ring-type.Mobile limiting member 24 becomes the card of C fonts
Ring, is formed as the circular component that the part in circumference is cut out.It is mobile when mobile limiting member 24 is embedded in into recess 33
The enlarged-diameter of limiting member 24.
Middle coupling member 23 possesses the spline joint portion 85 of cylindrical shape.The inner peripheral surface of spline joint portion 85 be formed with for
The spline 84 being mutually engaged with the spline 82 of the outer peripheral face for being formed at little gear extension 27.The spline of spline joint portion 85
84 are formed along multiple grooves that axial X extends.It is more prominent to radially inner side that the ratio of spline joint portion 85 expands inside diameter 32
The end of partial axially the second side X2 is formed with the mobile restriction jump face 34 towards the axially circular planes shape of the second side X2.
It is mobile to limit axially the first side X1 that jump face 34 is configured at mobile limiting member 24, in mobile limiting member 24 because of elastic component
22 force and in the case of moving to axially the first side X1, abut against with mobile limiting member 24, so as to limit mobile restriction
Component 24 is to axially the first side X1 movements.The end face of the axially first side X1 of spline joint portion 85 becomes from axially the second side X2
Hold the bearing-surface of elastic component 22.
The outer peripheral face of spline joint portion 85 forms oriented radially inner side depression and the cylindrical shape circumferentially extended in complete cycle
Plate recess 86, the radially inner side end of the connecting plate 80 of above-mentioned annulus tabular is embedded with the plate recess 86.Plate recess 86 with
Gap is provided between connecting plate 80, can be rotated against.
Expand inside diameter 32 to be formed as from the end of the axially second side X2 of spline joint portion 85 prolonging to axially the second side X2
Stretch, and the internal diameter cylindrical shape bigger than spline joint portion 85.Than plate recess 86 more by axially on the outer peripheral face of spline joint portion 85
The part of the second side X2 and the outer peripheral face of expansion inside diameter 32 are formed as the cylindrical shape of same diameter, constitute one-way clutch 31
Lubrication groove 11 outer peripheral face.
Middle coupling member 23 possesses the spring cup plate portion 87 of cylindrical shape, and the spring cup plate portion 87 is from spline joint portion 85
The end of axially the first side X1 extend towards axially the first side X1 to after radial outside extension.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 external diameter of little gear teeth portion 28.Cause
This, as shown in figure 3, in the case where elastic component 22 shrinks, the footpath that spring cup plate portion 87 is configured at little gear teeth portion 28 is outside
Side, does not abut against with the little gear jump face 83 of little 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 little gear jump face 83 of little gear teeth portion 28 to axially the first side X1
Axial location till, the radial outside of whole 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 axially first side X1 of spline joint portion 85
Between the axial direction in the little gear jump face 83 of face and little gear teeth portion 28, more specifically, little gear extension 27 is configured at
In cylindric space between the radial direction of the inner peripheral surface of outer peripheral face and spring cup plate portion 87.Elastic component 22 is tied relative to spline
The end face of the axially first side X1 in conjunction portion 85 is to the little gear jump face 83 of little gear teeth portion 28 towards axially the first side X1 forces.
As shown in Figures 1 and 2, the state that mobile restriction jump face 34 abuts with mobile limiting member 24 is pinion member
29 relative to middle coupling member 23 to the maximum state of axially the first side X1 amount of movements, and it is most long to be that elastic component 22 is elongated to
Maximum elongation state.Under the maximum elongation state, because the radial outside of the recess 33 in little gear extension 27 is configured with
Expand inside diameter 32, therefore mobile limiting member 24 is difficult from radial outside to be come off from recess 33.
Therefore, in order to easily 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
In the state of 30 decomposite from moving body basic courses department 25, elastic component 22 is shunk, pinion member 29 is connected relative to centre
Structural member 23 is moved under the minimum elongation state of maximum towards axially the second side X2, and expansion inside diameter 32 is not configured at little gear and prolongs
The radial outside of the recess 33 of extending portion 27.
Specifically, as shown in figure 3, expanding length B ratio of the inside diameter 32 on axial X will exert a force pinion part 30 from shifting
Kinetoplast basic courses department 25 decomposites pinion member 29 in the state of coming can be towards axially the second side relative to middle coupling member 23
Removable amplitude D of X2 movements is short.Removable amplitude D is equal to the elastic component 22 under the maximum elongation state shown in Fig. 2
Axial length A change to elastic component 22 under the 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, in the shape that force pinion part 30 is assembled to the side of moving body basic courses department 25
Under state, moving body basic courses department 25 is carried out relative to middle coupling member 23 to pinion member 29 to the movement of axially the second side X2
Limit.That is, under the assembled state of force pinion part 30, pinion member 29 towards axially the second side X2 movement
Amount is reached before 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.Thus, under the assembled state of force pinion part 30, pinion member 29
Relative to middle coupling member 23 towards axially the second side X2 movements removable amplitude G than the pinion part 30 that exerts a force decomposing state
Removable amplitude D of lower pinion member 29 is little.
Specifically, the second side X2 of axial direction in little gear extension 27 is configured with the moving body flower of moving body basic courses department 25
Key joint portion 35, before elastic component 22 is fully compressed, the axially end face of the second side X2 and the shifting of little gear extension 27
The end face of the axially first side X1 of kinetoplast spline joint portion 35 is abutted against, to limit the movement of pinion member 29.Such as Fig. 5 institutes
Show, under maximum elongation state, the axle of the axially end face of the second side X2 and the moving body spline joint portion 35 of little gear extension 27
Become the pinion member 29 under the assembled state of force pinion part 30 to 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 middle coupling member 23 towards the axially second side X2 of pinion member 29 in the state of 25
Dynamic removable amplitude G till the movement of pinion member 29 is limited by moving body basic courses department 25 will be grown.According to the structure,
After force pinion part 30 to be assembled to moving body basic courses department 25, even if shrinking in elastic component 22, pinion member 29
Towards axially the second side X2 movements in the case that movement is limited by moving body basic courses department 25, expand inside diameter 32 and still configure
In the radial outside of mobile limiting member 24.Thus, after assembling 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 be by expanding
Inside diameter 32 suppresses 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 limiting pinion member 29 towards the movement of axially the second side X2, limits mobile and increases number of components therefore, it is possible to be suppressed to
Amount.
As shown in figure 3, expanding the axial direction of the recess 33 of the inner peripheral surface of inside diameter 32 and the outer peripheral face of little gear extension 27
Thickness Fs of the gap E between the part of the second side X2 diametrically than mobile limiting member 24 diametrically is little.According to the knot
Structure, because the gap E expanded between inside diameter 32 and little gear extension 27 at the axially second side X2 of recess 33 is than movement
The thickness F of limiting member 24 is little, therefore, even if being pressed into axially the by the mobile jump face 34 that limits in mobile limiting member 24
In the case of two side X2, remain to prevent from moving limiting member 24 from recess 33 towards axially the second side X2 disengagings.Gap E becomes expansion
The radius in the radius of the inner peripheral surface of inside diameter 32 and the mountain portion of the spline 82 of the outer peripheral face for being formed at little gear extension 27 it
Between semidiameter.
In addition, the present invention can freely be combined in its invention scope to each embodiment, or to each embodiment party
Formula carries out appropriate deformation, omits.
Industrial practicality
The present invention can be suitably used for the starter of the internal combustion engine with the little gear for moving in the axial direction.
Label declaration
The starter of 1 internal combustion engine, 2 little gear moving body portions, 3 electro-motors, 4 electronic extrusion mechanisms, 7 output shafts, in 9
The ring gear of combustion engine, H axis of rotation, B expand the removable width of the pinion member when axial length of inside diameter, D decompose
Degree, E expand the removable amplitude of pinion member when gap between inside diameter and little gear extension, G assemble, X axis,
Axial axial the second sides, lubrication groove of 11 one-way clutch, 20 little gear moving body portions, 21 little gears, 22 elastic of the first side, X2 of X1
Component, 23 middle coupling members, 24 movement limiting members, 25 moving body basic courses departments, 27 little gear extensions, 28 pinion gear teeths
Portion, 29 pinion members, 30 force pinion parts, 31 one-way clutch, 32 expand inside diameter, 33 the recesses, (movement of 34 jump faces
Limit jump face), 35 moving body spline joint portions, the holding section of 36 moving body basic courses departments, 45 output shaft spline joint portions, 47 move
Kinetoplast support, 50 decelerators (planetary gears), 74 connecting elements, 80 connecting plates, 82 splines, 83 little gear jumps
Face, 85 spline joint portions, 87 spring cup plate portions.
Claims (3)
1. a kind of starter of internal combustion engine, possesses：
Electro-motor；
Output shaft, the output shaft transmits the rotary driving force of the electro-motor；
Little gear moving body portion, the little gear moving body portion has the moving body basis combined with the output shaft helical spline
Portion and be connected with the moving body basic courses department via one-way clutch, and using elastic component to little gear towards axial direction
Side is the force pinion part of axially the first side force；And
Electronic extrusion mechanism, the electronic extrusion mechanism and the moving body basic courses department fasten, and when being powered the little gear is made
Moving body portion makes the little gear moving body portion towards the first side of axial direction phase towards the side shifting of the axial direction first when non-energized
Axially the second side shifting tossed about,
The starter of the internal combustion engine is characterised by that the force pinion part possesses：
Pinion member, the pinion member is arranged in the cylindrical member of the radial outside of the output shaft, with being formed with
The little gear teeth portion of the external tooth of the little gear and the little gear extended from the little gear teeth portion to the side of the axial direction second are prolonged
Extending portion；
Middle coupling member, the middle coupling member 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 joint portion that combined with the little gear extension spline and from this
Spline joint portion to the side of the axial direction second extends, and internal diameter is more than the expansion inside diameter of the spline joint portion；
Relative to the elastic component that the middle coupling member exerts a force to the pinion member towards the side of the axial direction first；
And
Mobile limiting member, the movement limiting member is to be embedded in be formed at the little gear extension outer peripheral face and prolong in the circumferential
The annular component of the recess stretched, the jump face being configured between the spline joint portion of internal diameter change and the expansion inside diameter
The side of the axial direction second, the pinion member is limited by abutting against with the jump face and is linked relative in the middle of described
Movement from component to the side of the axial direction first,
The axial length for expanding inside diameter than by the force pinion part from the moving body foundation solution out
Under state the pinion member relative to the middle coupling member to the mobile removable width of the side of the axial direction second institute
Degree is short.
2. the starter of internal combustion engine as claimed in claim 1, it is characterised in that
The moving body basic courses department is right in the state of the force pinion part to be assembled to moving body basic courses department side
The pinion member is limited relative to the middle coupling member to the movement of the side of the axial direction second,
The axial length for expanding inside diameter by the force pinion part than being assembled to the state of the moving body basic courses department
Under the pinion member relative to the middle coupling member to the side shifting of the axial direction second until the pinion member
Movement limited by the moving body basic courses department till the mobile removable amplitude of institute to grow.
3. the starter of internal combustion engine as claimed in claim 1 or 2, it is characterised in that
The axial direction the of the recess on the outer peripheral face of the inner peripheral surface for expanding inside diameter and the little gear extension
Radial clearance between the part of two sides is less 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 true CN106640468A (en) | 2017-05-10 |
| CN106640468B CN106640468B (en) | 2018-07-24 |
Family
ID=57140267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610459150.8A Expired - Fee Related 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115853689A (en) * | 2022-12-09 | 2023-03-28 | 中国船舶集团有限公司第七一一研究所 | Turbine assembly and turbine starter |
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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635559U (en) * | 1979-08-27 | 1981-04-06 | ||
| JP2006161590A (en) * | 2004-12-03 | 2006-06-22 | Denso Corp | Starter |
| DE102009060957B4 (en) * | 2009-12-30 | 2018-07-19 | Seg Automotive Germany Gmbh | Starting device for an internal combustion engine |
| DE102010041727A1 (en) * | 2010-09-30 | 2012-04-05 | Robert Bosch Gmbh | Starter for an internal combustion engine |
| JP2013083176A (en) * | 2011-10-07 | 2013-05-09 | Denso Corp | Starter |
-
2015
- 2015-10-30 JP JP2015213713A patent/JP6009641B1/en not_active Expired - Fee Related
-
2016
- 2016-02-26 FR FR1651585A patent/FR3043145B1/en not_active Expired - Fee Related
- 2016-06-22 CN CN201610459150.8A patent/CN106640468B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115853689A (en) * | 2022-12-09 | 2023-03-28 | 中国船舶集团有限公司第七一一研究所 | Turbine assembly and turbine starter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640468B (en) | 2018-07-24 |
| JP6009641B1 (en) | 2016-10-19 |
| FR3043145B1 (en) | 2021-02-26 |
| FR3043145A1 (en) | 2017-05-05 |
| JP2017082720A (en) | 2017-05-18 |
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