WO2019200509A1 - Palier, mécanisme d'actionnement d'embrayage, et embrayage - Google Patents

Palier, mécanisme d'actionnement d'embrayage, et embrayage Download PDF

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Publication number
WO2019200509A1
WO2019200509A1 PCT/CN2018/083200 CN2018083200W WO2019200509A1 WO 2019200509 A1 WO2019200509 A1 WO 2019200509A1 CN 2018083200 W CN2018083200 W CN 2018083200W WO 2019200509 A1 WO2019200509 A1 WO 2019200509A1
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WO
WIPO (PCT)
Prior art keywords
bearing
inner ring
clutch
axial stop
spring
Prior art date
Application number
PCT/CN2018/083200
Other languages
English (en)
Chinese (zh)
Inventor
瓦勒瑞⋅科特加罗
郑飞翔
Original Assignee
舍弗勒技术股份两合公司
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 舍弗勒技术股份两合公司 filed Critical 舍弗勒技术股份两合公司
Priority to PCT/CN2018/083200 priority Critical patent/WO2019200509A1/fr
Publication of WO2019200509A1 publication Critical patent/WO2019200509A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F16D25/083—Actuators therefor

Definitions

  • This invention relates to the field of clutches and, in particular, to bearings for clutches, clutch operating mechanisms and clutches.
  • Clutches are widely used for the separation of internal combustion engines from transmissions.
  • the friction clutch includes an active portion, a driven portion, a pressing mechanism, and an operating mechanism, wherein the pressing mechanism is for ensuring that power is transmitted from the active portion to the driven portion when the clutch is in the engaged state, and the operating mechanism is used to enter the clutch Separated state.
  • the operating mechanism may include a separating bearing, a preloading spring and a cylinder, wherein the separating bearing is sleeved at one end of the cylinder and movable in the axial direction of the cylinder, and one end of the preloading spring is connected to the separating bearing and the other end is connected to On the housing of the cylinder, and the pretensioning spring is used to apply an axial force to the release bearing.
  • the operating mechanism may further include a dust cover disposed outside the cylinder, the dust cover having one end connected to the split bearing and the other end connected to the casing of the cylinder.
  • a bearing for a clutch includes an inner ring, an outer ring, and a rolling body disposed therebetween,
  • the inner circle comprises:
  • An annular abutting portion extending radially from the inner ring, and an annular end surface of the annular abutting portion is for abutting against the first end surface of the pretensioning spring, wherein the pretensioning spring is Applying an axial force to the bearing;
  • the inner ring further includes a dust cover engagement portion for mating with the dust cover.
  • the dust cover fitting portion includes a first axial stop portion and a second axial stop portion extending radially from the inner ring, the first axial stop portion And the second axial stop is spaced apart in the axial direction of the inner ring to form a gap for engaging one end of the dust cover.
  • the annular abutment extends radially outward from the inner ring.
  • the first axial stop and the second axial stop extend radially outward from the inner ring.
  • the first axial stop and the second axial stop do not overlap each other in the circumferential direction of the inner ring.
  • the first axial stop and the second axial stop are fan-shaped members.
  • the first axial stop, the second axial stop and the annular abutment are sequentially disposed at intervals in the axial direction of the inner ring.
  • the first axial stop is formed as the end of the inner ring.
  • the bearing comprises a plurality of the first axial stop and the second axial stop.
  • a clutch operating mechanism comprising the above bearing and a preloading spring, the bearing for bringing the clutch into a disengaged state, wherein the first end face of the pretensioning spring abuts The bearing and the second end face of the pretension spring abut against the housing of the clutch operating mechanism.
  • a clutch operating mechanism comprising the above bearing, a pretensioning spring and a dust cover, the bearing for causing a clutch to enter a disengaged state, wherein the first of the preloading springs An end surface abuts against the bearing and a second end surface of the pretension spring abuts against a housing of the clutch operating mechanism, and one end of the dust cover is engaged with the bearing and the dust cover The other end is connected to the housing.
  • a clutch comprising the above described clutch operating mechanism.
  • the bearing for the clutch according to the present invention can be directly connected to the pretension spring and the dust cover, additional members for connecting the pretension spring and the dust cover are no longer required, thereby reducing the number of parts and simplifying the mounting. Therefore, the clutch according to the present invention has an advantage that the number of parts is small and the installation is simple.
  • Figure 1 shows a schematic view of a clutch operating mechanism in accordance with the present invention.
  • Figure 2 shows a schematic view of a bearing for a clutch according to the invention.
  • FIG. 1 shows a schematic view of a clutch operating mechanism in accordance with the present invention.
  • a clutch operating mechanism according to the present invention will now be described with reference to FIG.
  • the clutch operating mechanism 10 includes a bearing 11, a pretension spring 12, and a housing 13.
  • the upper end of the pretension spring 12 abuts against the inner ring 110 of the bearing 11, and the lower end of the pretension spring 12 abuts against the housing 13.
  • the preload spring 12 is used to apply an axial force to the bearing 11 during the vertical movement of the bearing 11. Therefore, in the clutch according to the present invention, the pretensioning spring directly abuts against the inner ring of the bearing, and the inner ring of the bearing is provided with a structure for preventing the inner ring from rotating relative to the pretensioning spring, which will be referred to hereinafter.
  • Figure 2 is described in detail.
  • a dust cover 14 is provided, one end of which is engaged with the inner ring 110 of the bearing 11, and the other end of the dust cover 14 and the housing 13 Match. Accordingly, the inner ring 110 of the bearing 11 is provided with a dust cover fitting portion that cooperates with the dust cover 14, which will be described in detail below with reference to FIG. Therefore, in the clutch according to the present invention, the pretension spring is directly fitted to the inner ring of the bearing.
  • Figure 2 shows a schematic view of a bearing for a clutch according to the invention.
  • the bearing for a clutch of the present invention will be described below with reference to FIG.
  • the inner ring 110 includes an annular abutment 111 and a projection 112, wherein the annular abutment 111 extends radially outward from the inner ring 110.
  • the extended portion is formed into an annular structure which constitutes a ring shape of the annular abutting portion 111.
  • the end surface 1110, and the annular end surface 1110 of the annular abutting portion 111 is for abutting against the first end surface of the pretension spring 12, that is, as shown in FIG. 1, the annular end surface 1110 is for abutting against the pretension spring 12 Upper end face.
  • annular abutment 111 of the inner ring 110 is not limited to extend radially outward from the inner ring 110.
  • the annular abutment 111 may also The inner ring 110 extends radially inward as long as the annular abutment 111 can extend radially from the inner ring 110 a distance to form an annular end face for abutting against the first end face of the pretension spring 12.
  • the protruding portion 112 protrudes axially from the inner ring 110 such that the pretensioning spring 12 pretensions the end at the first end surface of the spring 12 when abutting against the annular end surface 1110 of the annular abutting portion 111 (ie, The end of the upper end surface of the pretension spring 12 in Fig. 1 abuts against the projection 112 to prevent relative rotation between the pretension spring 12 and the inner ring 110.
  • the protruding portion 112 can abut against the pretensioning spring 12 at the first end surface of the annular end surface 1110.
  • the end portion abuts, and the protruding portion 112 protrudes from the axial direction of the inner ring 110 to be close to the end of the pretension spring 12 at the first end face of the annular end surface 1110.
  • the protrusion 112 may extend axially from the annular end surface 1110 of the annular abutment 111, but the protrusion according to the present invention is not limited thereto, and the protrusion may be axially from other positions of the inner ring
  • the extension is as long as the protruding portion extends to abut against the end of the pretension spring 12 at the end face of the annular end surface 1110.
  • the inner ring 110 further includes a dust cover fitting portion for engaging with the dust cover 13.
  • the dust cover fitting portion includes a first axial stopper portion 113 and a second axial stopper portion 114 that extend radially outward from the inner ring 110, and the first axial stopper portion 113 and the second shaft portion
  • the stopper portion 114 is spaced apart from the axial direction of the inner ring 110 to form a gap 115 for engaging one end of the dust cover 13 (the upper end of the dust cover 13 in Fig. 1) to prevent When the dust cover 13 is fitted to one end of the bearing 11, it is tilted up and down with respect to the bearing.
  • FIG. 1 As shown in FIG.
  • the first axial stop portion 113 and the second axial stop portion 114 extend radially outward from the inner ring 110 to form a fan-shaped annular member, and the first axial stop
  • the movable portion 113 and the second axial stopper portion 114 do not overlap each other in the circumferential direction of the inner ring 110, so that the dust cover 13 can be smoothly engaged in the gap 115.
  • the inner ring 110 of the bearing includes three pairs of the first axial stop portion 113 and the second axial stop portion 114 to enable the dust cover 13 to be securely engaged in the gap 115.
  • first axial stop and the second axial stop according to the present invention are not limited to fan-shaped annular members that extend radially outward from the inner ring, for example, those skilled in the art.
  • the first axial stop portion and the second axial stop portion may be disposed to extend radially inward from the inner ring according to actual conditions, and the two retaining portions are shaped to be capable of engaging the dust cover.
  • any shape of one end for example, a rectangular shape or an irregular shape; moreover, the number of the first axial stopper and the second axial stopper according to the present invention is not limited to three pairs, for example, those skilled in the art may
  • the first axial stop and the second axial stop are arranged to be greater than 3 pairs or less than 3 pairs, and the first axial stop and the second axial stop can also be The number is set to be different from each other as long as the dust cover can be engaged with the inner ring.
  • the first axial stopper portion 113, the second axial stopper portion 114, and the annular abutting portion 111 are sequentially disposed at intervals in the axial direction of the inner ring 110, and
  • the first axial stopping portion 113 is formed as an end of the inner ring 110, and the second axial stopping portion 114 and the protruding portion 112 both extend axially from the annular end surface 1110 of the annular abutting portion 111, in order to It is convenient to observe whether the end at the first end surface of the pretension spring 12 abuts against the protruding portion 112 when the first end surface of the pretension spring 12 abuts against the annular end surface 1110, and the second shaft adjacent to the protruding portion 112 An opening is also provided between the stopper portion 114 and the protruding portion 112.
  • the above arrangement of the first axial stop, the second axial stop and the annular abutment is merely an example, for example, on the inner ring according to the present invention, the first axial direction
  • the stopper portion, the second axial stopper portion and the annular abutting portion are sequentially disposed at intervals in the axial direction of the inner ring, and the annular abutting portion is formed as the end of the inner ring, and those skilled in the art can also
  • the relative positions of the above components on the inner ring are set differently from the above examples depending on the actual situation.
  • the dust cover fitting portion provided on the bearing for the clutch according to the present invention is not limited to the above-described first axial stopper portion and second axial stopper portion, and those skilled in the art can
  • the dust cover fitting portion may be a screw, an adhesive or the like.
  • the bearing for the clutch according to the present invention can be directly connected to the preload spring and the dust cover, it is no longer necessary to connect the additional members of the pretension spring and the dust cover, thereby reducing the number of parts. And simplify the installation. Therefore, the clutch according to the present invention has an advantage that the number of parts is small and the installation is simple.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un palier pour un embrayage, un mécanisme d'actionnement d'embrayage, et un embrayage. Le palier (11) comprend une bague interne (110), une bague externe, et un corps de roulement disposé entre la bague interne et la bague externe, la bague interne (110) comprenant : une partie de butée annulaire (111), la partie de butée annulaire s'étendant radialement à partir de la bague interne (110), et une surface d'extrémité annulaire (1110) de la partie de butée annulaire (111) étant utilisée de façon à venir en butée contre une première surface d'extrémité d'un ressort pré-sollicité (12), le ressort pré-sollicité (12) étant utilisé de façon à appliquer une force axiale au palier (11) ; et une partie de saillie (112), la partie de saillie s'étendant axialement à partir de la bague interne (110), de telle sorte que, quand le ressort pré-sollicité (12) bute contre la surface d'extrémité annulaire (1110) de la partie de butée annulaire (111), l'extrémité de queue à la première surface d'extrémité du ressort pré-sollicité (12) bute contre la partie de saillie (112) de façon à empêcher une rotation relative entre le ressort pré-sollicité (12) et la bague interne (110). L'embrayage a pour caractéristiques d'avoir un petit nombre de composants et d'être facile à monter.
PCT/CN2018/083200 2018-04-16 2018-04-16 Palier, mécanisme d'actionnement d'embrayage, et embrayage WO2019200509A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/083200 WO2019200509A1 (fr) 2018-04-16 2018-04-16 Palier, mécanisme d'actionnement d'embrayage, et embrayage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/083200 WO2019200509A1 (fr) 2018-04-16 2018-04-16 Palier, mécanisme d'actionnement d'embrayage, et embrayage

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WO2019200509A1 true WO2019200509A1 (fr) 2019-10-24

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010021788A1 (de) * 2010-05-27 2011-12-01 Schaeffler Technologies Gmbh & Co. Kg Ausrücklageranordnung
CN103511501A (zh) * 2012-06-25 2014-01-15 Skf公司 离合器分离轴承装置
CN107532658A (zh) * 2015-04-20 2018-01-02 舍弗勒技术股份两合公司 操纵轴承

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010021788A1 (de) * 2010-05-27 2011-12-01 Schaeffler Technologies Gmbh & Co. Kg Ausrücklageranordnung
CN103511501A (zh) * 2012-06-25 2014-01-15 Skf公司 离合器分离轴承装置
CN107532658A (zh) * 2015-04-20 2018-01-02 舍弗勒技术股份两合公司 操纵轴承

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