CN108700046A - Eccentric device, in particular for a pump of an ABS system, and pump for an ABS system - Google Patents

Eccentric device, in particular for a pump of an ABS system, and pump for an ABS system Download PDF

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Publication number
CN108700046A
CN108700046A CN201780010613.5A CN201780010613A CN108700046A CN 108700046 A CN108700046 A CN 108700046A CN 201780010613 A CN201780010613 A CN 201780010613A CN 108700046 A CN108700046 A CN 108700046A
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CN
China
Prior art keywords
eccentric
rollaway nest
shaft section
support
supporting surface
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
Application number
CN201780010613.5A
Other languages
Chinese (zh)
Other versions
CN108700046B (en
Inventor
加藤慎吾
大泷良
大泷良一
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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
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Publication of CN108700046A publication Critical patent/CN108700046A/en
Application granted granted Critical
Publication of CN108700046B publication Critical patent/CN108700046B/en
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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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0413—Cams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • F16C21/005—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement the external zone of a bearing with rolling members, e.g. needles, being cup-shaped, with or without a separate thrust-bearing disc or ring, e.g. for universal joints
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/18—Eccentric-shafts
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/588—Races of sheet metal
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/42—Pumps with cylinders or pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Rolling Contact Bearings (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

Radial piston pumps are used in vehicles, for example in ABS systems. In the known design, the pump has a drive shaft with an eccentric section on which a roller bearing is placed, which rotates with its entirety eccentrically about the axis of rotation of the shaft. The object of the invention is to provide an eccentric device with high reliability during operation and a corresponding pump. For this purpose, an eccentric device (1) is proposed, having: a housing; an eccentric shaft section (4) for eccentric rotation about a main axis of rotation H, wherein the eccentric shaft section (4) provides or carries an inner raceway (9); a rolling bearing arrangement (7), wherein the rolling bearing arrangement (7) is arranged on the eccentric shaft section (4) and defines an eccentric axis E, wherein the rolling bearing arrangement (7) has a plurality of rolling bodies (12) and an outer raceway arrangement (8), wherein the outer raceway arrangement (8) provides an outer raceway (10) for the rolling bodies (12), and wherein the rolling bodies (12) roll in a rolling body space (11) on the inner raceway (9) and on the outer raceway (10); the supporting element (17) and the supporting surface (18) serve as supporting partners, wherein the supporting element (17) rests on the supporting surface (18) in a moving manner, wherein the supporting partners jointly form an axial support of the eccentric shaft section (4) on the housing (5), and wherein one of the supporting partners is arranged fixedly relative to the housing and the other supporting partner is supported on the eccentric shaft section (4), wherein the supporting surface (16) is arranged fixedly relative to the housing.

Description

Eccentric equipment particularly for the pump of ABS system and the pump for ABS system
Technical field
The present invention relates to a kind of eccentric equipments, have:Shell;Bias for prejudicially being rotated around main rotary shaft line Shaft segment, wherein eccentric shaft section provides or carrying interior rollaway nest;Rolling bearing system, wherein rolling bearing system is arranged in partially In mandrel section and limit eccentric axis, wherein rolling bearing system has multiple rolling elements and outer rollaway nest device, wherein outer Raceway device provides the outer rollaway nest for rolling element, and wherein, rolling element is in rolling element space in interior rollaway nest and outer rolling It is rolled on road;Support component and supporting surface are as support mating member, wherein support component is in supporting surface in a manner of moving On, wherein support mating member is collectively form axial support of the eccentric shaft section on shell, and wherein, supports mating member In an opposite shell be fixedly arranged, and another support mating member is supported in eccentric shaft section.The invention further relates to one Pump of the kind for ABS system, with this eccentric equipment.
Background technology
This pump is in the car for example using in ABS system and based on radial plunger principle.Pump is with known structure There is mode drive shaft, the drive shaft to have eccentric section, place rolling bearing in the bias section, the rolling bearing is with it The whole pivot center for prejudicially surrounding axis rotates.Pump the piston/cylinder equipment having for pumping fluid, wherein pistons end Rest on the circumferential surface of the outside of rolling bearing and by the circumferential surface of rolling bearing and by rolling bearing eccentric motion It is manipulated with mode of oscillation.
This pump discloses in 102 41 306 A1 of document DE, wherein the prior art that the document is closest to.In axis Eccentric section on place rolling bearing, rolling bearing is by needle roller sleeve shaped at multiple needle rollers arrangements in the needle roller sleeve In retainer.Needle roller sleeve is to be closed and formed with the end of the axial direction to be used for sphere on the end of an axial direction Contact surface, the sphere are securely arranged in the shell of pump so that needle roller sleeve can be supported on sphere in eccentric motion. On opposite axial end portion, needle roller sleeve terminates in edge, which is circumferentially arranged for the logical of eccentric section Hole.In radial directions, the pistons end of working piston is supported by needle roller sleeve.
Invention content
The task of the present invention is propose a kind of eccentric equipment with high reliability in operation and corresponding pump. The task is solved by the eccentric equipment of the feature with claim 1 and by the pump of the feature with claim 10 Certainly.The preferred or advantageous form of implementation of the present invention is obtained from dependent claims, description below and appended attached drawing It arrives.
Subject of the present invention is a kind of eccentric equipment, is preferably suitable for pumping and/or for pump construction.The pump is preferably adapted for In and/or be configured to generate hydraulic pressure in the ABS system of vehicle.
Eccentric equipment has eccentric shaft section, wherein eccentric shaft section is structurally configured so that the eccentric shaft section It is prejudicially rotated around main rotary shaft line.Preferably, eccentric shaft section is prejudicially arranged on the driving shaft, wherein drive shaft is logical It crosses its rotation and limits main rotary shaft line.Optionally, drive shaft forms a part for eccentric equipment.Eccentric shaft section provides interior rollaway nest Or component of the carrying with interior rollaway nest.It is particularly preferred that interior rollaway nest is arranged on the basic material of eccentric shaft section or passes through It is formed.
Eccentric equipment has rolling bearing system, wherein rolling bearing system is especially configured to radial antifriction bearing device. Rolling bearing system is arranged in eccentric shaft section and limits eccentric axis with its rotation axis.Eccentric axis and main rotary shaft Line dislocation ground arrangement parallel to each other, wherein eccentric axis is prejudicially rotated around main rotary shaft line in operation.
Rolling bearing system have multiple rolling elements and outer rollaway nest device, wherein rolling element roll body cavity middle ring around It in eccentric axis is arranged in outer rollaway nest device.Rolling element is especially configured to roller, is specifically configured to needle roller.It is constructing For in the design scheme of needle roller, needle roller has being longitudinally extended for axial direction, this is longitudinally extended three times more than diameter.Preferably, it rolls Specifically needle roller is arranged in retainer and is particularly preferably kept frame guiding kinetoplast especially roller.Outer rollaway nest device is rolling Kinetoplast provides outer rollaway nest.Outer rollaway nest device is preferably rotationally symmetrically constructed about eccentric axis.Rolling element is in interior rollaway nest and outer It is rolled on raceway, especially rolling.Interior rollaway nest and/or outer rollaway nest are preferably configured as straight cylindricality circumferential surface, they are relative to bias Axis co-axial line and/or be disposed concentrically upon.
Eccentric equipment has support component and supporting surface, wherein support component and supporting surface are respectively formed support pairing Part.Support component is in a manner of moving on supporting surface.
It can be arranged herein, eccentric equipment is designed so that support component only slidably exists in operation as sliding members As moved on the supporting surface of sliding surface or support component as sliding-rolling element in the supporting surface as sliding-rolling face It is upper to roll and at the same time sliding.In addition can be arranged, support component is configured to rolling element, and the rolling element is as rolling surface Supporting surface on only roll.
Preferably flatly especially plane earth constructs supporting surface.Eccentric shaft section is collectively formed on shell in support mating member Axial support.Especially, support mating member forms transmission link or transfer chain, between eccentric shaft section and shell Pressure is transmitted, more precisely transmits pressure on the axial direction relative to main rotary shaft line and/or eccentric axis.Regulation: One of support mating member is supported in eccentric shaft section for transmission axial compressive force and the opposite shell of another support mating member Body is fixedly arranged.
It is claimed within the scope of this invention, supporting surface supports the opposite shell of mating member fixedly cloth as one It sets.Realizing the load imported in supporting surface by support component by the design scheme can export and with this side via shell Formula makes the component of the movement of eccentric equipment be not subject to load.If by the design scheme compared with the known prior art, really It is fixed, exist in widely known structure type following dangerous:Supporting surface pressure caused by by support component is negative Lotus pivots in the plane perpendicular to main rotary shaft line and/or eccentric axis and introduces a stress into rolling bearing by this method In.In contrast, supporting surface is fixedly accommodated and it is possible thereby to is more stably supported with respect to shell.Work is reduced as a result, For the load of rolling bearing, the abrasion of the rolling bearing reduces and therefore improves eccentric equipment in operation reliable Property.
It is particularly preferred that support component is supported by outer rollaway nest device in radial directions.Radial direction specifically referring to Eccentric axis.Especially, interaction is formed between support component and outer rollaway nest device.It on the one hand will by outer rollaway nest device Support component is maintained on eccentric axis so that topples over or move minimum, another aspect outer rollaway nest device is protected by support component It holds on preset position and/or holding position is correct.
The present invention a preferred improvement project in, outer rollaway nest device on the axial direction of eccentric axis more precisely Say that (formschl ü ssig) is kept in locking manner by support component preferable shape relative to supporting surface in ground.In addition therefore pass through branch Support element ensures:Outer rollaway nest device cannot vacillate towards supporting surface, but position correctly fastens.By by support component axis Therefore the service life of rolling bearing system is equally improved to positioning or guiding outer rollaway nest device and which thereby enhances bias The reliability of equipment.
It is particularly preferred that support component is configured to sphere.In this design scheme, it is also especially preferred to, supporting surface Plane flatly constructs.
Sphere can be in anti-relative rotation contained in outer rollaway nest device.As an alternative to this, sphere is with rotatable and/or can The mode of rolling is supported so that when sphere can on the support surface be rolled as support component low friction in outer rollaway nest It is rotated in device.
Stop surface, the end face especially in eccentric shaft section can flatly construct, and be supported in the eccentric shaft section There is the sphere as support component.As an alternative to this, which carries to middle part, as such as deepening portion, so as to by sphere It is limited in this position as support component.
In principle it can be stated that supporting surface is formed by the basic material of shell and is therefore only configured as the preferred of shell The region of plane.In the preferred improvement project of the present invention, eccentric equipment has support plate, wherein support plate is motionless Ground is arranged in the housing or is fixedly arranged relative to shell and form supporting surface.The design scheme has the following advantages that:It should Shell can for example aluminium alloy manufactures by low-cost material, and nevertheless, still can be by the support plate that is lining into Realize enough wearability and mechanical stability, support plate is for example by steel making.Support plate can be structured as the component of plate.It can As an alternative, support plate is the section for the more complicated component that opposite shell is fixedly arranged.
In the preferred realization method of the present invention, outer rollaway nest device has the receiving portion for being used to support element.It is special Not preferably, support component can be arranged into anti-lost lost territory in receiving portion and/or anti-lost lost territory is arranged in receiving portion.This appearance The portion of receiving makes eccentric equipment be easily assembled, this is because support component especially sphere will not accidentally be lost in assembly.
In particularly preferred embodiments, receiving portion is configured to buckle receiving portion, and support component, especially sphere can be detained Enter into buckle receiving portion.In buckle receiving portion, support component, especially spheroid form are in locking manner and/or force closure (kraftschl ü ssig) is kept.
Optionally it is possible that receiving portion is directed to support component, especially Orbicular structure is supporting part, it is in particular designed as sliding Dynamic supporting part and/or rolling element bearing portion, especially sphere supports portion.
In low-cost manufacture, outer rollaway nest device is configured to the sleeve with sleeve bottom.Sleeve is especially excellent Selection of land is manufactured and is specifically configured to by the sleeve of deep-draw with deformation technology.It can be provided that, receiving portion, especially Buckle receiving portion is introduced by the procedural order for deforming and detaching in sleeve bottom.It is particularly preferred that sleeve bottom has especially It is circular through-hole, which has following diameter towards the direction of eccentric shaft section:The diameter selects to be less than support component The diameter of diameter, especially sphere, and have contained structure with concave surfaces in addition, which accommodates support in locking manner Element, especially sphere.
Another theme of the present invention is the pump for ABS system, wherein pump has according to any one of the claims Eccentric equipment, wherein eccentric shaft section and the drive shaft of pump effect connect, especially couple in anti-relative rotation, and pump With at least one piston/cylinder unit, wherein the pistons end of piston is supported on the circumferential surface of the outside of rolling bearing system, So that the rotary motion of input shaft is converted to the movement of the oscillation of piston via eccentric shaft section and rolling bearing system.
Description of the drawings
Other feature, advantages of the present invention and effect are from below in the description of the preferred embodiment of the present invention and attached drawing It obtains.Wherein:
Fig. 1 shows schematic longitudinal section view of the section of the pump with the eccentric equipment as the first embodiment of the present invention Figure;
The schematic longitudinal section of the magnified partial view of the receiving portion as outer rollaway nest device is shown respectively in Fig. 2 and Fig. 3.
Specific implementation mode
Fig. 1 illustrates the eccentric equipment 1 of the details as the pump 22 for ABS system using schematic longitudinal section.Pump 1 structure It makes for radial plunger pump and by the convert rotational motion introduced via input shaft 2 into two piston rods or plunger in this example The movement of 3 oscillation.The movement of oscillation is stretched along the radial direction relative to main rotary shaft line H, which passes through defeated Enter the rotation of axis 2 to limit.
Eccentric shaft section 4 is arranged on input shaft 2 and especially connect or formed in anti-relative rotation input with input shaft 2 The end section of axis 2.Eccentric shaft section 4 is circularly constructing in the cross section of main rotary shaft line H.Eccentric shaft section 4 Define eccentric axis E, wherein eccentric axis E relative to input shaft 2 main rotary shaft line H parallel misalignments arrange.Input shaft 2 is pivotally supported via bearing arrangement 6 in the shell 5 of pump 1, which is configured to ball bearing. Rolling bearing system 7 is arranged in eccentric shaft section 4.
There is rolling bearing system 7 outer rollaway nest device 8, the outer rollaway nest device to be configured to sleeve.Eccentric shaft section 4 provides Interior rollaway nest 9 and outer rollaway nest device 8 provide outer rollaway nest 10.Interior rollaway nest 9 and outer rollaway nest 10 it is coaxial to one another ground and concentrically construct simultaneously And it is embodied as straight cylindricality circumferential surface respectively.Interior rollaway nest 9 and outer rollaway nest 10 also relative to eccentric axis E coaxially and/or with one heart Ground is orientated.In outer raceway device 8, multiple rolling elements 12 are arranged in rolling element space 11, rolling element is configured to roller, especially Cylinder roller, and rolling element rolls in interior rollaway nest 9 and outer rollaway nest 10, especially rolling.Plunger 3 is rested on outer with free end On the circumferential surface 13 of the outside of raceway device 8.
The outer rollaway nest device 8 for being configured to sleeve has sleeve bottom 14, and the sleeve bottom is by outer rollaway nest device 8 in an axis It is closed on side.Arrangement is in the support component 17 of spherical form, the branch between the end side of eccentric shaft section 4 15 and support plate 16 Fagging is arranged in shell 5, wherein eccentric shaft section 4 with its end side 15 via ball support in support plate 16.More accurately It sees, sphere forms support component 17, which is supported on the supporting surface of the support plate 16 as other support mating member On 18.Supporting surface 18 and end side are orientated in parallel with each other.Sleeve bottom 14 has through-hole 19, and sphere is arranged in the through-hole.Ball Body and/or through-hole 19 are medially arranged relative to eccentric axis E.In radial directions, support component 17 (it is configured to sphere) It is supported on outer rollaway nest device 8, so that outer rollaway nest device 8 and support component 17 (it is configured to sphere) are mutually relative to inclined The medially centering of heart axis E.For example, shell 5 is constructed by aluminium alloy and support plate 16 is realized by Steel material so that low abrasion is very Support is abrasively constructed to nothing.
The section of the sleeve bottom 14 in the region of through-hole 19 is shown in figure 2 and figure 3, and an attached drawing is with support Element 17 (Fig. 2) and an attached drawing are without support component 17 (Fig. 3).It can be seen that through-hole 19 is formed for being in spherical form Support component 17 receiving portion 20.As especially as being obtained in Fig. 3, through-hole 19 is on the side towards eccentric shaft section 4 Narrow down to diameter D1, wherein diameter D1 is less than the diameter D0 of sphere.In central region, receiving portion 20 have diameter D2 or with The matched diameter change curves of diameter D0 of sphere so that sphere is kept in a snap-in manner.In other words, sphere can be detained Enter into receiving portion 20 and is remained there by anti-lost lost territory.Diameter D1 be implemented as herein so that sphere can not elapse across Sleeve bottom 14 or sleeve bottom 14 can cross sphere and be pulled out towards supporting surface 18 along the direction of arrow 21.It covers as a result, Cylinder bottom 14 and outer rollaway nest device 8 prevents the movement towards 16 direction of support plate by spheroid form in locking manner in turn.
Receiving portion 20 can for example be rotationally symmetrically constructed in axial or be formed by multiple tongue pieces, these tongues Piece is stretched along radial direction.
Reference numerals list
1 eccentric equipment
2 input shafts
3 plungers
4 eccentric shaft sections
5 shells
6 bearing arrangements
7 rolling bearing systems
8 outer rollaway nest devices
9 interior rollaway nests
10 outer rollaway nests
11 rolling element spaces
12 rolling elements
13 circumferential surfaces
14 sleeve bottoms
15 end sides
16 support plates
17 support components
18 supporting surfaces
19 through-holes
20 receiving portions
21 arrows
D0, D1, D2 diameter
E eccentric axis
H main rotary shaft lines

Claims (10)

1. eccentric equipment (1),
With shell,
With the eccentric shaft section (4) prejudicially rotated for surrounding main rotary shaft line (H), wherein the eccentric shaft section (4) Interior rollaway nest (9) is provided or carries,
With rolling bearing system (7), wherein the rolling bearing system (7) be arranged on the eccentric shaft section (4) and Eccentric axis (E) is limited,
Wherein, the rolling bearing system (7) has multiple rolling elements (12) and outer rollaway nest device (8), wherein the outer rollaway nest Device (8) provides the outer rollaway nest (10) for the rolling element (12), and wherein, the rolling element (12) is in rolling element space (11) it is rolled in the interior rollaway nest (9) and in the outer rollaway nest (10) in,
With support component (17) and with supporting surface (18) as support mating member, wherein the support component (17) with The mode of movement is on the supporting surface (18), wherein the support mating member is collectively form the eccentric shaft section (4) Axial support on the shell (5), and wherein, an opposite shell in the support mating member is fixedly arranged, And another support mating member is supported on the eccentric shaft section (4),
It is characterized in that,
The supporting surface (16) is fixedly arranged with respect to shell.
2. eccentric equipment (1) according to claim 1, which is characterized in that the support component (17) is in radial directions It is supported by the outer rollaway nest device (8).
3. eccentric equipment (1) according to any one of the preceding claims, which is characterized in that the outer rollaway nest device (8) It is kept in the axial direction by the support component (17) relative to the supporting surface (18).
4. eccentric equipment (1) according to any one of the preceding claims, which is characterized in that support component (17) structure It makes as sphere.
5. eccentric equipment (1) according to any one of the preceding claims, which is characterized in that eccentric equipment (1) tool There is support plate (16), wherein the support plate (16) is fixedly arranged in the shell (5) or motionless relative to the shell Ground is arranged and forms the supporting surface (18).
6. eccentric equipment (1) according to any one of the preceding claims, which is characterized in that the outer rollaway nest device (8) With the receiving portion (20) for the support component (17).
7. eccentric equipment (1) according to claim 6, which is characterized in that described accommodation section (20) are configured to buckle and accommodate Portion.
8. eccentric equipment (1) according to any one of the preceding claims, which is characterized in that the outer rollaway nest device (8) It is configured to sleeve.
9. eccentric equipment (1) according to claim 8, which is characterized in that described accommodation section (20) are formed into the sleeve In.
10. the pump (22) for ABS system, it is characterised in that set with bias according to any one of the preceding claims Standby (1).
CN201780010613.5A 2016-02-15 2017-01-11 Eccentric device, in particular for a pump of an ABS system, and pump for an ABS system Active CN108700046B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016202276.8A DE102016202276B3 (en) 2016-02-15 2016-02-15 Eccentric arrangement in particular for a pump of an ABS system and pump for the ABS system
DE102016202276.8 2016-02-15
PCT/DE2017/100015 WO2017140294A1 (en) 2016-02-15 2017-01-11 Eccentric arrangement, in particular for a pump of an abs system, and pump for the abs system

Publications (2)

Publication Number Publication Date
CN108700046A true CN108700046A (en) 2018-10-23
CN108700046B CN108700046B (en) 2021-09-07

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JP (1) JP7026626B2 (en)
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JP6741199B2 (en) * 2016-10-12 2020-08-19 日立オートモティブシステムズ株式会社 Pump device and brake device

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DE19615053A1 (en) * 1996-04-17 1997-10-23 Teves Gmbh Alfred Electric motor / pump unit
WO1997048583A1 (en) * 1996-06-18 1997-12-24 Itt Manufacturing Enterprises, Inc. Radial piston pump
JP2000517399A (en) * 1996-09-09 2000-12-26 アイティーティー・マニュファクチャリング・エンタープライジズ・インコーポレーテッド Radial piston pump with one side closed bearing shell
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DE102016202276B3 (en) 2017-04-06
CN108700046B (en) 2021-09-07
KR20180109933A (en) 2018-10-08
WO2017140294A1 (en) 2017-08-24
JP7026626B2 (en) 2022-02-28
JP2019507297A (en) 2019-03-14

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