WO2017102501A1 - Dispositif de démarrage pour moteurs a combustion interne - Google Patents

Dispositif de démarrage pour moteurs a combustion interne Download PDF

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Publication number
WO2017102501A1
WO2017102501A1 PCT/EP2016/080084 EP2016080084W WO2017102501A1 WO 2017102501 A1 WO2017102501 A1 WO 2017102501A1 EP 2016080084 W EP2016080084 W EP 2016080084W WO 2017102501 A1 WO2017102501 A1 WO 2017102501A1
Authority
WO
WIPO (PCT)
Prior art keywords
shield
lever
biasing spring
starting device
spring element
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.)
Ceased
Application number
PCT/EP2016/080084
Other languages
German (de)
English (en)
Inventor
Stephan Kaske
Javier Bores
Michael Froehlich-Schlapp
Susanne BENTZIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to CN201680073435.6A priority Critical patent/CN108474342B/zh
Publication of WO2017102501A1 publication Critical patent/WO2017102501A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F02N15/067—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

Definitions

  • the lever assembly has a lever part which engages with one end to an output shaft, and a biasing spring element which is coupled to the armature of a Vorspuraktuators.
  • the starting device for internal combustion engines with the features of claim 1 has the advantage that the arrangement of the biasing spring element between the lever member and a shield, which can no longer rub the biasing member directly on the bearing block. It is thereby possible, on the one hand, to produce the bearing block from an unchanged material and, on the other hand, to adjust the frictional situation between the preloading element and the point at which the preload element is bearing-bearing-side, by adapted friction parameters. In particular, it is thereby possible to select the material appropriately.
  • the shield is arranged between a housing part of the biasing spring element and the region of the biasing spring element. This preferably prevents a concern of the biasing spring element on the housing part of the biasing spring element.
  • the housing part of the biasing spring element can be designed, for example, as a so-called bearing block and can therefore represent a part of the bearing point on which the lever assembly is rotatably mounted.
  • a sliding friction coefficient between the material of the region of the biasing spring element and the housing part of the biasing spring element is greater than a sliding friction coefficient between the
  • Material of the area of the biasing spring element and the shield This would be, for example, given that the material of the region of the biasing spring element would be made of spring steel, the housing part of the biasing spring element of a polymeric plastic, such as polyamide or an elastomer and the shield of a steel material.
  • the shield is preferably attached to the lever part.
  • the shield is not attached to the lever part, but on the housing part of the biasing spring element. In the latter case, this sign can be practically a
  • the shield preferably has at least one retaining arm, particularly preferably two retaining arms, which engage in a holding contour, so that the shield can be held stationary.
  • a retaining contour may for example be a contour on the lever part.
  • Such a contour or holding contour is particularly preferred in the form of a latching nose or a retaining slot.
  • the lever part as a plastic molded part is preferably made of a polymeric plastic, such as polyamide. This lever part engages with one end to an output shaft.
  • the output shaft is preferably a drive pinion with an engagement contour for the lever assembly or for example a drive pinion with a freewheel with an engagement contour for the lever assembly.
  • the lever assembly preferably has the components that are involved in the implementation of an armature movement of the Vorspuraktuators in a sliding movement of the drive pinion.
  • the shield can be made not only of steel, but alternatively of aluminum, brass, bronze or particularly low-friction polymers.
  • FIG. 1 shows a sectional view of the drive device according to the invention
  • Figure 4 is an exploded view of the individual parts of the lever assembly of the lever part, biasing spring element and shield.
  • the illustration according to FIG. 1 shows a longitudinal section through a starting device 10 for an internal combustion engine.
  • the starting device 10 has, for example, a starter motor 13 and a Vorspuraktuator 16, which is formed in the example as a relay with a solenoid 17.
  • the starter motor 13 and the electric Vorspuraktuator 16 are attached to a common drive end plate 19.
  • the starter motor 13 functions to drive a starting pinion 22 when it is meshed with a ring gear 25 of an internal combustion engine not shown in FIG.
  • the starter motor 13 has the typical features:
  • a pole tube carries at its inner circumference stator poles 31 which surround an armature 37 (rotor).
  • a drive shaft 44 of the armature 37 carries at its end directed toward the starting pinion 22 a sun gear 80 which drives three planet gears 86.
  • the three planetary gears 86 are seated on stub axles 92 which are non-rotatably connected to a driver 94 of a freewheel 96.
  • the planet gears 86 roll on an inner circumference of a ring gear 99.
  • a roller collar 102 of the freewheel 96 is entrained by means of clamping body 105.
  • the roller collar is here in this embodiment part of an output shaft 108 which is coupled via a helical coupling 111 with the starter pinion 22.
  • a so-called intermediate bearing 114 is arranged, which centrally carries a bearing element 115 - here designed as a plain bearing.
  • the output shaft 108 is mounted in the intermediate bearing 114.
  • a support member 118 is connected.
  • This support member preferably has the task to supplement the opening in the drive end plate 19, which faces the Vorspuraktuator 16.
  • the opening 119 receives a stub 122 of the relay housing. A not here or only indirectly recognizable extended opening of the opening 119 in the direction of the pole tube 28 is at least partially closed by the support member 118.
  • a directed towards the terminals of Vorspuraktuators 19 end terminates in a same plane as a befindaji at the upper end of the drive end plate 19 area.
  • the support member 118 and the drive end plate 19 offer at this point the housing of the Vorspuraktuators 16 a flat, substantially round, opening and simultaneously supporting plane.
  • a lever assembly 125 which has on the one hand a lever part 128 and on the other hand, a biasing spring element 131.
  • the lever assembly 125 is here coupled to the lever member 128 at a location 134 directly to the starter pinion 22.
  • the biasing spring member 131 is rotatably coupled to the lever member 128.
  • the spring or biasing spring element 131 essentially comprises two legs 132, 133 (leg spring), with a first leg 132 extending between an axis of rotation of the lever assembly and a location 137 at which the lever assembly 125 is coupled to the armature 17.
  • the second leg 133 of the biasing spring element 131 extends between the axis of rotation 140 of the lever assembly and the point at which the lever member 128 engages the output shaft 108, Figure 2.
  • Figure 2 shows a side view of the bearing 140th
  • a spiral part 143 which consists of two oppositely wound spirals 144 and 145 of the bias spring member 131, Figure 3.
  • the two spirals 144 and 145 are clipped into a cavity of the lever member so that the biasing spring member 131 and the lever member 128th form a preassembled lever assembly 125.
  • a portion 148 of the bias spring member 131 is disposed between the lever member 128 and a shield 151.
  • a starting device 10 for internal combustion engines which has a Vorspuraktuator 16 which has an axially displaceable armature 17, and which has a starter pinion 22 which is axially displaceable. Furthermore, this starting device 10 has a lever assembly 125, which is coupled at a location 137 with the armature 17. At least one other point 134, the lever assembly is at least indirectly coupled to the starter pinion 22.
  • the starting device also has a bearing point 140, on which the lever assembly 125 is rotatably mounted.
  • a biasing spring member 131 is part of the lever assembly 125.
  • a biasing spring member which is part of the lever assembly 125 and to which the armature 17 is coupled, is also present.
  • the lever member 128 engages an output shaft 108 at one end.
  • a portion 148 of the bias spring member 131 is disposed between the lever member 128 and a shield 151.
  • the shield 151 is disposed between the support member 118 and the portion 148 of the bias spring member 131.
  • the support member 118 may preferably be designed as a bearing block, which indirectly or directly the lever assembly 125 rotatably supports. With regard to the material properties of the elements involved, it is provided that a coefficient of sliding friction between the material of the region 148 of the biasing spring element 131 and the support element 118 of the biasing spring element 131 is greater than a sliding friction coefficient between the material of the region 148 of the biasing spring element 131 and the shield 151.
  • FIG. 3 shows a cross section along the line III-III as shown in FIG. Good to see the two hooks 160, 161, over which the two support arms 168 and 170 overlap.
  • the shield 151 can be seen in cross section. From this shield 151 go at one end 163 and at the other end 166 depending on a support arm 168 and 170 from. These retaining arms 168 and 170 each have a hole on 173 and 176, which are pushed over the two hooks 160, 161. For simplified insertion or over the hooks 160, 161 push the two support arms 173 and 176 are provided with tapered ends 178 and 180.
  • the holding arms 168 and 170 receive between them the two spiral parts 144 and 145.
  • the area 148 is received between the two holding arms 168 and 170.
  • the shield 151 is thus attached to the lever part 128.
  • the shield 151 engages with the at least one holding arm 168, 170 in a holding contour 183 - represented by the two hooks 160, 161 - on the lever part 128.
  • FIG 4 is an exploded view showing the lever member 128, the biasing spring member 131 and the shield 151.
  • the shield 151 is made in one piece with the holding arms 168, 170.
  • This shield member 151 with the holding arms 168 and 170 is made of sheet metal.
  • the shield 151 has here substantially the profile of a half approximately annular or circular pipe, from the bevels 186 and 187 go out at the ends thereof. These chamfers serve to surround the spirals 144, 145 so that no edge rubs against the spirals.
  • the shield may alternatively be attached to the lever member 128 and the lever assembly 125 by additional parts such as screws or bolts. Furthermore, the shield 151 may also be secured by slot-like geometries in the lever portion 128, wherein rectangular portions, which with the shield part and shield 151 are connected, are inserted into these slot-like geometries.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un dispositif de démarrage (10) pour moteurs à combustion interne, muni d'un actionneur de pincement (16) qui présente un induit (17) déplaçable axialement, d'un pignon de démarrage (22) déplaçable axialement, d'un ensemble levier (125) qui est raccordé en un point (137) à l'induit (17) et en au moins un autre point au moins indirectement au pignon de démarrage (22), d'une zone d'appui (140) sur laquelle l'ensemble levier (125) est monté rotatif, d'un élément ressort de précontrainte (131) qui est partie intégrante de l'ensemble levier (125) et auquel l'induit (17) est raccordé, et d'un élément levier (128) qui vient en prise par une extrémité avec un arbre de sortie (108). Le dispositif est caractérisé en ce qu'une partie (148) de l'élément ressort de précontrainte (131) est agencée entre l'élément levier (128) et un écran (151).
PCT/EP2016/080084 2015-12-16 2016-12-07 Dispositif de démarrage pour moteurs a combustion interne Ceased WO2017102501A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201680073435.6A CN108474342B (zh) 2015-12-16 2016-12-07 用于内燃机的起动装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015225380.5 2015-12-16
DE102015225380.5A DE102015225380A1 (de) 2015-12-16 2015-12-16 Startvorrichtung für Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
WO2017102501A1 true WO2017102501A1 (fr) 2017-06-22

Family

ID=57530667

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/080084 Ceased WO2017102501A1 (fr) 2015-12-16 2016-12-07 Dispositif de démarrage pour moteurs a combustion interne

Country Status (3)

Country Link
CN (1) CN108474342B (fr)
DE (1) DE102015225380A1 (fr)
WO (1) WO2017102501A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915062A1 (de) * 1978-04-18 1979-10-25 Paris & Du Rhone Elektrischer anlasser fuer verbrennungsmaschinen
JPH0510781U (ja) * 1991-07-18 1993-02-12 株式会社三ツ葉電機製作所 スタータ用ピニオンシフトレバー構造
DE102011003200A1 (de) 2011-01-26 2012-07-26 Robert Bosch Gmbh Startvorrichtung für Verbrennungskraftmaschinen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB420519A (en) * 1932-03-30 1934-11-29 Eclipse Machine Co Improvements in engine starters
FR2398894A1 (fr) * 1977-07-25 1979-02-23 Paris & Du Rhone Dispositif perfectionne de maintien des des d'entrainement du lanceur d'un demarreur electrique
FR2403463A1 (fr) * 1977-09-15 1979-04-13 Paris & Du Rhone Demarreur pour moteur a combustion interne
JP3740658B2 (ja) * 2000-04-18 2006-02-01 三菱電機株式会社 始動電動機用シフトレバー装置
DE102011084098A1 (de) * 2011-10-06 2013-04-11 Robert Bosch Gmbh Andrehvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915062A1 (de) * 1978-04-18 1979-10-25 Paris & Du Rhone Elektrischer anlasser fuer verbrennungsmaschinen
JPH0510781U (ja) * 1991-07-18 1993-02-12 株式会社三ツ葉電機製作所 スタータ用ピニオンシフトレバー構造
DE102011003200A1 (de) 2011-01-26 2012-07-26 Robert Bosch Gmbh Startvorrichtung für Verbrennungskraftmaschinen

Also Published As

Publication number Publication date
DE102015225380A1 (de) 2017-06-22
CN108474342B (zh) 2020-05-12
CN108474342A (zh) 2018-08-31

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