CN103987969A - Radiator fan module and bearing arrangement for a radiator fan module - Google Patents
Radiator fan module and bearing arrangement for a radiator fan module Download PDFInfo
- Publication number
- CN103987969A CN103987969A CN201280061661.4A CN201280061661A CN103987969A CN 103987969 A CN103987969 A CN 103987969A CN 201280061661 A CN201280061661 A CN 201280061661A CN 103987969 A CN103987969 A CN 103987969A
- Authority
- CN
- China
- Prior art keywords
- sliding bearing
- bearing
- jack
- interior ring
- bearing device
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/057—Bearings hydrostatic; hydrodynamic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
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- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
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- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a bearing arrangement for mounting a shaft of a rotor for a radiator fan module with a carrier device which has a receptacle, and with a sliding bearing made of plastic for receiving the shaft of the rotor, which has a fastening device, via which the sliding bearing can be clipped into the receptacle. The present invention further relates to a radiator fan module with a bearing arrangement according to the invention.
Description
Technical field
The present invention relates to a kind of cooling fan module bearing device.The invention still further relates to a kind of cooling fan module.
Background technique
In many technical fields, need to come cooling equipment and system and its operating temperature is remained in specific operating temperature range with fan.In vehicle, combine with cooler vehicle internal combustion engine is remained in the special operating temperature range of internal-combustion engine with fan, and prevent that internal-combustion engine is overheated.
In motor vehicle, this class fan is applied in compact type cooling fan module, to the heat producing in the engine compartment of motor vehicle is discharged by convection current.For this reason, cooling fan module has the blast fan of motorized motions, to produce cooling air-flow by the rotation of blast fan.The axis body of this cooling fan module is supported by rolling bearing conventionally.Rolling bearing is particularly suitable for the situation that rotating speed is larger, but cost is relatively high.In addition, be support rolling bearing correctly, require to reach minimum manufacturing tolerances, so just improve manufacture cost.
DE 10 2,005 049 261 B3 describe a kind of cooling fan, and its axis body is by two bearings, a rolling bearing and a sliding bearing or two sliding supported conditions.
The cost of sliding bearing, lower than rolling bearing, so just can reduce the manufacture cost of aforementioned cooling fan.But while adopting this cooling fan module, be difficult to pack sliding bearing into cooling fan module, so just strengthened installation difficulty and the working strength of whole cooling fan module.
Summary of the invention
In view of this, the object of this invention is to provide a kind of modified model bearing device and a kind of modified model cooling fan module.
The present invention is a kind of bearing device with feature described in claim 1 and a kind of cooling fan module with feature described in claim 15 in order to reach the solution of above-mentioned purpose.
The invention provides a kind of for supporting the bearing device of rotor axis body of cooling fan module, comprise and there is the holder device of jack and formed and for holding the sliding bearing of described rotor axis body, described sliding bearing has the securing means for described sliding bearing being clamped in to described jack by plastics.
A kind of cooling fan module for motor vehicle is also provided, comprise motor, by described electric motor driven rotor, described rotor is arranged on an axis body, is furnished with blast fan on described axis body anti-torsion, also comprises of the present invention for supporting the bearing device of described rotor axis body.
The present invention is based on following theory: the plastic sliding bearing with clamping type securing means is set, so that this sliding bearing packs described holder device in very simple mode.Just can significantly simplify in this way installation procedure, thereby reduce the manufacture cost of cooling fan module and shorten its manufacturing time.Use after clamping type securing means, no longer need to take any installation steps.Described sliding bearing is accurately directed and supporting after clamping, thereby rotor axis body is supported well.In the case, thereby only need the jack that sliding bearing is pressed into holder device that securing means is fixed in holder device, so just can pack sliding bearing into holder device.Because sliding bearing is made of plastics, thereby without bearing device is lubricated, so just further reduce operating cost.
Favourable design proposal and improvement project consult dependent claims and accompanying drawing is described.
According to a kind of preferred implementation, described sliding bearing is configured to the two-piece type joint shaft bearing of the interior ring of band and outer shroud.Wherein, described interior ring is used for holding described axis body.Described outer shroud can have described securing means.Described sliding bearing in this way just very well the length change to described axis body or augular offset compensate, and can not cause damage to the axis body of sliding bearing or cooling fan module.Described joint shaft bearing for example adopts the constructing plan with two rotary freedoms.Described interior ring is preferably around the axial axis rotation perpendicular to described axis body.But described sliding bearing also can only have a rotary freedom (for example,, around an axial axis perpendicular to described axis body) or have three rotary freedoms.
According to another preferred implementation, described interior ring is at least partly by PPS(polyphenylene sulfide) make.As a supplement or replacement scheme, described outer shroud is at least partly by PA(polyamide) make.Just can meet very much functional requirement in this way and build described sliding bearing.Described interior ring and/or outer shroud also can adopt other plastics.Described interior ring preferably adopts certain to have the high value plastics of best sliding properties.Can the frictional force of axis body and interior interannular be down to minimum in this way.Described outer shroud is preferably made up of certain higher plastics of intensity level.Just can very well, particularly very accurately support in this way described interior ring.Described outer shroud and/or described interior ring for example can be made up of glass fiber reinforced plastic (GFK), cfrp (CFK) or similar material.
According to another preferred implementation, described sliding bearing is configured to multi component injection molding part, particularly bicomponent injection molding part.Wherein, described interior ring forms the first plastic fraction, and described outer shroud forms the second different plastic fraction.Can significantly reduce in this way manufacture cost, because only need few treatment step just can make this multicomponent sliding bearing.
According to another preferred implementation, described interior ring has the external frame of ovalize substantially.Described outer shroud preferably has the interior ring jack corresponding to the oval external frame of described interior ring, for supporting described interior ring.Adopt after this constructing plan, the described sliding bearing very well augular offset of the length change to described axis body or described axis body compensates.Described interior ring and described outer shroud preferably have oval external frame in the plane of end face that is parallel to described sliding bearing.Adopt after this constructing plan, described sliding bearing has a rotary freedom.That is described sliding bearing can be around an axial axis rotation perpendicular to described axis body.
According to another preferred implementation, described sliding bearing preferably and/or corrosion resistant certain plastics better by sliding properties is made.This class plastic materials is for example PTFE(teflon).In PTFE, the combination force of carbon atom and fluorine atom is extremely strong, thereby inertia is very big.Even if strong acid also cannot corrode PTFE.This material is also very large for all alkali, alcohol, ketone, gasoline, the such tolerance level of wet goods, and its cold-resistant reach-270oC of degree.The friction factor of PTFE is minimum, that is sticking friction just in time equates with sliding friction, thereby can there is not ballistic kick situation from the process that stops being transitioned into motion.Almost can be attached to PTFE without any material upper, because of its surface stress minimum.
According to another preferred implementation, described securing means has the axle collar being structured on described sliding bearing.The described axle collar for by described sliding bearing axially and/or anti-torsion be fixed on described jack.
According to another embodiment of the present invention, on the described axle collar, be provided with some clips.These clips for snapping in to form fit the first groove of described jack and/or described sliding bearing being axially fixed in to described jack under clamped condition.The preferred mirror image of described clip is structured on the described axle collar symmetrically.For example, the described axle collar has two clips that snap in described first groove of described jack.On the described axle collar, also can be provided with plural, as three, four, five or six clips.Described clip preferably has some stop flange, and it can snap in to form fit the corresponding stop flange that is arranged in described the first groove.For this reason, described clip preferably adopts spring constructing plan.Described clip also can have certain spring, makes also to produce certain compression fit by the frictional force between described clip and described the first groove beyond described form fit.
According to another embodiment of the present invention, on the described axle collar, be provided with at least one edge, its under clamped condition, snap in to form fit the second groove of described jack and/or in this way by described sliding bearing anti-torsion be fixed on described jack.For this reason, described the second groove builds in the mode at the edge corresponding to the described axle collar.The preferably slightly institute's interference of relatively described edge of described the second groove, so that described sliding bearing inserts described jack.The edge of described the second groove can adopt various shape, and for example, described edge and described the second groove can be made up of the flat sides of a circle.For by described sliding bearing anti-torsion be fixed in described jack, described edge and described the second groove preferably have the shape of non-rotating symmetry.
According to another embodiment of the present invention, described edge is parallel to each other.Described sliding bearing adopts after this design proposal, can be by good the active force that acts on described sliding bearing and be uniformly distributed to described holder device.
According to another embodiment of the present invention, the described axle collar is structured on the end face of described sliding bearing.Can improve in this way the stability of sliding bearing.Be conducive in addition manufacture sliding bearing, because generally speaking the end face of sliding bearing is more easily touched by instrument.
According to another embodiment of the present invention, the outer surface of described sliding bearing is provided with some scraping blades, and it for snapping in the 3rd groove of described jack under clamped condition.Described scraping blade preferably extends around the outer surface of described sliding bearing vertically.Described scraping blade is mainly used in carrying out tolerance compensating between described sliding bearing and described holder device, to more accurately sliding bearing is positioned in holder device in installation process.Described scraping blade also helps manufacture sliding bearing, because in the situation that sliding bearing is configured to moulding, these scraping blades can be used as demoulding inclined-plane.
According to another embodiment of the present invention, described holder device is made of plastics equally.Described holder device and described sliding bearing are preferably made up of same plastic materials.Just can reduce in this way the manufacture cost of bearing device.Described holder device also can adopt other materials, as like that in metal, pottery etc.
According to another embodiment of the present invention, described sliding bearing and/or described holder device are configured to plastic injection piece.Described sliding bearing and described holder device also can be made by other manufacture methodes.
According to another embodiment of the present invention, described sliding bearing is about described running shaft mirror image symmetry.The advantage of this constructing plan is, when sliding bearing is inserted to jack without the directed situation of noting the relative holder device of sliding bearing.So just simplify the installation of sliding bearing.
Above-mentioned design proposal and improvement project can be optionally combination in any in addition.Other design proposals of the present invention, improvement project and embodiment also comprise the combination of clearly not listing of of the present invention feature relevant to embodiment aforementioned or described below.Especially, those skilled in the art also can improvement project or additional project using single aspect as corresponding citation form of the present invention include the present invention in.
Brief description of the drawings
Fig. 1 is the first embodiment's of bearing device of the present invention perspective view;
Fig. 2 is the second embodiment's of bearing device of the present invention perspective view;
Fig. 3 is the sectional view of bearing device of the present invention;
Fig. 4 is the plan view of the holder device of bearing device of the present invention;
Fig. 5 is the bottom view of the holder device of bearing device of the present invention;
Fig. 6 is the plan view of the holder device of bearing device of the present invention;
Fig. 7 is the bottom view of the holder device of bearing device of the present invention;
Fig. 8 is the sectional view of bearing device of the present invention;
Fig. 9 is the perspective view that is configured to the sliding bearing of joint shaft bearing;
Figure 10 be configured to joint shaft bearing sliding bearing after installing from bottom to top with top-down perspective view;
Figure 11 is the front of the bearing device perspective view after installing;
Figure 12 is the back side of the bearing device perspective view after installing;
Figure 13 is the bottom view of bearing device; And
Figure 14 is the sectional view of bearing device.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is described in detail.
Accompanying drawing contributes to deepen the understanding to embodiments of the present invention.Accompanying drawing illustrates some mode of executions and for principle of the present invention and scheme being set forth in conjunction with associated description.Other mode of executions and many listed advantages can be consulted accompanying drawing.Element in accompanying drawing might not be drawn by actual ratio.
Except as otherwise noted, identical in accompanying drawing, function is identical or act on identical element, feature and assembly all represents by same reference symbol.
Fig. 1 is the first embodiment's of bearing device of the present invention perspective view.
Bearing device in Fig. 1 represents by reference symbol 1.The left side of Fig. 1 is the sliding bearing 2 being made of plastics.Sliding bearing 2 has to hold the cylindrical receptacle 13 of rotor axis body.Sliding bearing 2 also has securing means 5, for sliding bearing 2 being clamped in to the jack 4 of holder device.
Securing means 5 is structured on the end face of sliding bearing 2.Securing means 5 is embodied as the axle collar 6 being structured on sliding bearing 2 in the present embodiment.The axle collar 6 is provided with some clips 7.In the present embodiment, on the axle collar 6 of sliding bearing 2, be provided with two clips 7.Also can on the axle collar 6, arrange multiple, as three or four clips 7.These clips have stop flange 14.
When mounting support device 1, the clip of sliding bearing 27 is clamped in to the first groove 8 of the jack 4 that is arranged in holder device 3.Wherein, sliding bearing 2 forms being connected of form fit with holder device 3.Because sliding bearing 2 exists being connected of form fit with holder device 3, sliding bearing 2 is axially fixed in holder device 3.For this reason, the stop flange 14 of sliding bearing 2 snaps in the corresponding stop flange that is arranged in the first groove 8.
On the axle collar 6, be also provided with some edges 11.These edges 11 snap in the second groove 9 of the jack 4 that is arranged in holder device.The edge 11 of the axle collar 6 forms being connected of form fit with the second groove 9 equally, thus by sliding bearing 2 anti-torsions be fixed in jack 4.
On sliding bearing 2, be also provided with some scraping blades 12.These scraping blades 12 extend vertically on the outer surface of the cylinder-shaped body of sliding bearing 2.Snap in to scraping blade 12 compression fit the 3rd groove 10 of the jack 4 that is arranged in holder device 3.For this reason, relative the 3rd groove 10 of scraping blade 12 has certain interference.In the situation that sliding bearing 2 is configured to plastic injection piece, scraping blade 12 is also as demoulding inclined-plane.According to a kind of preferred embodiments, the whole main body of sliding bearing 2 is configured to taper.
Fig. 2 is a kind of mode of execution of bearing device 1.Sliding bearing 2 has the axle collar 6 on the end face that is structured in sliding bearing 2.Sliding bearing 2 inserts the jack 4 of holder device 3.Jack 4 in the present embodiment has some recesses 15.Jack 4 radially has elasticity because of these recesses 15.The relative jack 4 of sliding bearing 2 has certain interference, so just in the time that sliding bearing 2 is inserted to jack 4, between sliding bearing 2 and jack 4, produces compression fit.Recess 15 is evenly distributed on the periphery of jack 4.Eight recesses 15 are for example set.
Sliding bearing 2 is inserted after jack 4, for example, be connected on and on sliding bearing 2, make second axle collar 16 by ultrasonic welding.So just sliding bearing 2 is fixed in jack 4 with axial and torsion proof mode.
Fig. 3 is the sectional view of bearing device 1.Upper figure is holder device 3, and sliding bearing 2 is clamped in this holder device.Figure below is the detail drawing of sliding bearing 2 and jack 4.As shown in Figure 3, the clip 7 being arranged on sliding bearing 2 has some stop flange 14, and it snaps in to form fit the first groove 8 of jack 4 under clamped condition.Can find out in addition, clip 7 contacts with holder device 3 occurrence of large-area, thus another certain compression fit that produces beyond the form fit between sliding bearing 2 and holder device 3.This sliding bearing also has for holding and supporting a groove 13 that does not illustrate axis body.
Fig. 4 is the plan view of the holder device 3 with jack 4.The first groove 8 and the 3rd groove 10 in figure are high-visible.The first groove 8 for clip 7, the three grooves 10 that hold sliding bearing 2 for holding the main body of sliding bearing 2.First and the 3rd groove 8,10 about central shaft 17 mirror image symmetries.Therefore, inserting before groove 4 without sliding bearing 2 is carried out to orientation.
Fig. 5 is the bottom view of holder device 3.The second groove 9 in figure is high-visible.The second groove 9 for form fit hold the edge 11 of sliding bearing 2.Groove 9 in the present embodiment is rounded, has two flat sides, and the second groove 9 also can adopt other shapes.For example, the second groove 9 also can be quadrilateral.The second groove 9 is equally about central shaft 17 mirror image symmetries.
Fig. 6 is the plan view of bearing device 1.Jack 4 in present embodiment has some recesses 15, and it is equidistantly structured in the periphery of jack 4.These recesses 15 make jack 4 that resiliently deformable can radially occur.Utilize this elastic force that sliding bearing 2 is fixed in jack 4 with axial and torsion proof mode.Recess 15 can have some grooves 18, and it is configured to the gap that is positioned at each recess 15 center and the elasticity that has further improved jack 4.
Fig. 7 is the bottom view of bearing device shown in Fig. 6.For example in figure, can find out and be structured in second axle collar 16 on sliding bearing 2 by ultrasonic welding.So just sliding bearing 2 is axially fixed reliably.
Fig. 8 is the sectional view of bearing device 1 shown in Fig. 6 and 7.For example in figure, can obviously find out and be structured in second axle collar 16 on sliding bearing 2 by ultrasonic welding.Also can adopt other autofrettages such as spin friction welding or track friction welding to build second axle collar 16.
Fig. 9 is the perspective view of two-piece type sliding bearing 2.Sliding bearing 2 in the present embodiment has interior ring 19 and outer shroud 20.Upper figure in Fig. 9 is interior ring 19, and figure below is outer shroud 20.
Interior ring 19 has the external frame 23 of ovalize substantially.Interior ring 19 also has the groove 24 for holding and support the axis body of cooling fan module.Interior ring 19 is made up of the lower plastics of friction factor.For example, interior ring 19 is by PPS or PTFE(teflon) make.According to other preferred implementations, interior ring 19 also can be made up of pottery.Interior ring 19 also can be made by bronze or by the ferrous alloy as self oiling bearing.
Outer shroud 20 has the interior ring jack 22 for holding and support described interior ring 19.Outer shroud 20 also has some for sliding bearing 2 being fixed on to the clip 7 of holder device 3.On outer shroud 20, be also provided with fin 21, it snaps in the groove that is arranged in holder device 3, thereby outer shroud 20 is fixed in holder device 3 to prevent the mode that its relative holder device 3 twists.
Figure 10 be configured to joint shaft bearing sliding bearing 2 after installing from bottom to top with top-down perspective view.Upper figure is the plan view of sliding bearing 2, and figure below is its bottom view.As shown in the figure, interior ring 19 is bearing in outer shroud 20 inside.The spin axis rotation of the axis body that interior ring 19 cannot hold around this interior ring 19 because of its oval external frame 23.So just prevent the rotation jointly in the rotary course of this axis body of interior ring 19.But interior ring 19 can be around the axis rotation being orthogonal with the axis 17 of axis body.Therefore, this sliding bearing 2 has two rotary freedoms.So just very well length change or the augular offset of the axis body to cooling fan module compensate.
Figure 11 is the front of bearing device 1 perspective view after installing.The center of holder device 3 is the sliding bearing 2 in clamped condition.As shown in the figure, described fin 21 snaps in the groove 24 that is arranged in holder device 3, thus by sliding bearing 2 anti-torsions be fixed in holder device 3.
Figure 12 is the back side of bearing device 1 perspective view after installing.Sliding bearing 2 can insert holder device 3 simply from the back side of holder device 3, does not so just need to adopt costliness and complicated installation steps to carry out mounting support device 1.This measure significantly reduces the manufacture cost of cooling fan module.
Figure 13 is the bottom view of bearing device 1.Transversal A-A in Figure 13 and B-B are the sectional view in Figure 14.
Figure 14 is sectional view A-A and the B-B of sliding bearing 2 after installing.As shown in the figure, axis body 25 is bearing in the groove of interior ring 19.Can find out in addition, interior ring 19 is bearing in outer shroud 20 inside.Stop flange 14 after sliding bearing 2 installs in fastening state, thereby the relative holder device 3 of anti-skidding bearing moves.After sectional view A-A and B-B are compared, can find out the oval external frame 23 of interior ring 19.This oval external frame 23 prevents that interior ring 19 from rotating jointly relative to outer shroud 20.Thereby improve the working life of bearing device 1.
In conjunction with some preferred embodiments, the present invention is had been described in detail, but the present invention is not subject to these embodiments' restriction before, but can changes in every way.
For example, described sliding bearing and/or described holder device also can be made up of glass fiber reinforced plastic or cfrp.The purposes of bearing device of the present invention is also not limited only to cooling fan module.For example, described bearing device also can be applied to other devices that rotary type parts must be set.
In addition, described interior ring also can adopt flexible scheme, so that this interior ring inserts described outer shroud.This measure is conducive to install sliding bearing.
Reference symbol table
1 bearing device
2 sliding bearings
3 holder devices
4 jacks
5 securing meanss
6 axle collars
7 clips
8 first grooves
9 second grooves
10 the 3rd grooves
11 edges
12 scraping blades
The jack of 13 axis bodies
14 stop flange
15 recesses
16 second axle collars
17 central shafts
18 grooves, recess
19 interior rings
20 outer shrouds
21 fins
22 interior ring jacks
23 external frames
24 grooves
25 axis bodies
Claims (15)
1. one kind for supporting the bearing device (1) of rotor axis body of cooling fan module,
Comprise the there is jack holder device (3) of (4);
Comprise by plastics and forming and for holding the sliding bearing (2) of described rotor axis body, described sliding bearing has the securing means (5) for described sliding bearing (2) being clamped in to described jack (4).
2. bearing device according to claim 1, is characterized in that,
Described sliding bearing (2) is configured to the two-piece type joint shaft bearing that encircles (19) and outer shroud (20) in band, and wherein, described interior ring (19) is for holding described axis body, and wherein, described outer shroud (20) has described securing means (5).
3. bearing device according to claim 2, is characterized in that,
Described interior ring (19) is at least partly by PPS(polyphenylene sulfide) make, and/or described outer shroud (20) is at least partly by PA(polyamide) make.
4. according to the bearing device described in claim 2 or 3, it is characterized in that,
Described sliding bearing (2) is configured to bicomponent injection molding part, and wherein, described interior ring (19) is made up of the first plastic fraction, and described outer shroud (20) is made up of the second plastic fraction.
5. according to the bearing device described in any one claim in claim 2 to 4, it is characterized in that,
Described interior ring (19) has the external frame of ovalize substantially, and described outer shroud (20) has the interior ring jack (22) corresponding to the oval external frame of described interior ring (19), for supporting described interior ring (19).
6. according to the bearing device described in any one claim in the claims, it is characterized in that,
Described securing means (5) has the axle collar (6) being structured on described sliding bearing (2), the described axle collar for by described sliding bearing (2) axially and anti-torsion be fixed on described jack (4).
7. according to the bearing device described in any one claim in the claims, it is characterized in that,
On the described axle collar (6), be provided with at least one clip (7), described clip for snapping in to form fit first groove (8) of described jack (4) and/or described sliding bearing (2) being axially fixed in to described jack (4) under clamped condition.
8. according to the bearing device described in any one claim in the claims, it is characterized in that,
On the described axle collar (6), be provided with at least one edge (11), its under clamped condition, snap in to form fit second groove (9) of described jack (4) and/or by described sliding bearing (2) anti-torsion be fixed on described jack (4).
9. bearing device according to claim 5, is characterized in that,
Be provided with two edges parallel to each other (11).
10. according to the bearing device described in any one claim in claim 6 to 9, it is characterized in that,
The described axle collar (6) is structured on the end face of described sliding bearing (2).
11. according to the bearing device described in any one claim in the claims, it is characterized in that,
The outer surface of described sliding bearing (2) is provided with some scraping blades (12), and it for snapping in the 3rd groove (10) of described jack (4) under clamped condition.
12. according to the bearing device described in any one claim in the claims, it is characterized in that,
Described holder device (3) is made of plastics, and is particularly made up of the plastic materials of described sliding bearing (2).
13. bearing devices according to claim 12, is characterized in that,
Described sliding bearing (2) and/or described holder device (3) are configured to plastic injection piece.
14. according to the bearing device described in any one claim in the claims, it is characterized in that,
Described sliding bearing (2) mirror image symmetry.
15. 1 kinds of cooling fan modules for motor vehicle,
Comprise motor;
Comprise that, by described electric motor driven rotor, described rotor is arranged on an axis body, on described axis body, be furnished with blast fan anti-torsion;
Comprise according to described in any one claim in the claims for supporting the bearing device (1) of described rotor axis body.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011088412 | 2011-12-13 | ||
| DE102011088412.2 | 2011-12-13 | ||
| DE102012219771.0 | 2012-10-29 | ||
| DE102012219771A DE102012219771A1 (en) | 2011-12-13 | 2012-10-29 | Radiator fan module and bearing assembly for a radiator fan module |
| PCT/EP2012/005026 WO2013087165A2 (en) | 2011-12-13 | 2012-12-06 | Radiator fan module and bearing arrangement for a radiator fan module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103987969A true CN103987969A (en) | 2014-08-13 |
Family
ID=48464897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280061661.4A Pending CN103987969A (en) | 2011-12-13 | 2012-12-06 | Radiator fan module and bearing arrangement for a radiator fan module |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2791514A2 (en) |
| CN (1) | CN103987969A (en) |
| DE (1) | DE102012219771A1 (en) |
| WO (1) | WO2013087165A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679095A (en) * | 2018-07-25 | 2018-10-19 | 北京小米移动软件有限公司 | Bearing assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB864927A (en) * | 1956-12-28 | 1961-04-12 | Plessey Co Ltd | Improvements in or relating to shaft bearings |
| DE3340937A1 (en) * | 1983-11-11 | 1985-05-23 | Torrington GmbH, 5102 Würselen | Holding device for a rolling-contact bearing |
| DE3528357C1 (en) * | 1985-08-07 | 1986-12-11 | "Puky" GmbH Fahrzeugfabrik, 5603 Wülfrath | Child's vehicle, in particular child's tricycle |
| US5176509A (en) * | 1990-08-22 | 1993-01-05 | Papst Motoren Gmbh & Co. Kg | Axially compact small fan |
| DE202004007027U1 (en) * | 2004-04-30 | 2004-07-29 | Enlo Technology Co., Ltd., Linyuan | Plain bearing and especially productive output bearing has elastic locking element on end of bearing seat to fit into cavity in spindle seat and encompassed by it to position and support impeller spindle |
| DE102004053078A1 (en) * | 2004-11-03 | 2006-05-11 | Ab Skf | Support device for passenger car gear, has support carrier including screw that extends itself substantially in radial direction at peripheral position, where support carrier is connected with bearing e.g. ball bearing |
| DE202008009197U1 (en) * | 2008-07-04 | 2008-09-18 | TEC-CHAIN TECHNOLOGY Co., Ltd. | fan |
| CN201730853U (en) * | 2010-06-13 | 2011-02-02 | 余姚天超通风设备有限公司 | Self-centering sliding bearing device for cross flow fan |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005049261B3 (en) | 2005-10-14 | 2007-03-29 | Siemens Ag | Radiator fan for motor vehicle, has integrated fan motor, driving fan wheel, with inner rotor, where wheel has fan hub, which is directly connected with rotor, and hub has number of fan blades, which are arranged in two groups |
| US7922447B2 (en) * | 2007-07-24 | 2011-04-12 | Ming-Shing Kao | Fan bearing structure |
-
2012
- 2012-10-29 DE DE102012219771A patent/DE102012219771A1/en not_active Withdrawn
- 2012-12-06 CN CN201280061661.4A patent/CN103987969A/en active Pending
- 2012-12-06 WO PCT/EP2012/005026 patent/WO2013087165A2/en unknown
- 2012-12-06 EP EP12832761.6A patent/EP2791514A2/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB864927A (en) * | 1956-12-28 | 1961-04-12 | Plessey Co Ltd | Improvements in or relating to shaft bearings |
| DE3340937A1 (en) * | 1983-11-11 | 1985-05-23 | Torrington GmbH, 5102 Würselen | Holding device for a rolling-contact bearing |
| DE3528357C1 (en) * | 1985-08-07 | 1986-12-11 | "Puky" GmbH Fahrzeugfabrik, 5603 Wülfrath | Child's vehicle, in particular child's tricycle |
| US5176509A (en) * | 1990-08-22 | 1993-01-05 | Papst Motoren Gmbh & Co. Kg | Axially compact small fan |
| DE202004007027U1 (en) * | 2004-04-30 | 2004-07-29 | Enlo Technology Co., Ltd., Linyuan | Plain bearing and especially productive output bearing has elastic locking element on end of bearing seat to fit into cavity in spindle seat and encompassed by it to position and support impeller spindle |
| DE102004053078A1 (en) * | 2004-11-03 | 2006-05-11 | Ab Skf | Support device for passenger car gear, has support carrier including screw that extends itself substantially in radial direction at peripheral position, where support carrier is connected with bearing e.g. ball bearing |
| DE202008009197U1 (en) * | 2008-07-04 | 2008-09-18 | TEC-CHAIN TECHNOLOGY Co., Ltd. | fan |
| CN201730853U (en) * | 2010-06-13 | 2011-02-02 | 余姚天超通风设备有限公司 | Self-centering sliding bearing device for cross flow fan |
Non-Patent Citations (1)
| Title |
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| 王洪 等: "塑料滑动轴承工作性能分析", 《机械工程材料》, vol. 22, no. 2, 30 April 1998 (1998-04-30) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679095A (en) * | 2018-07-25 | 2018-10-19 | 北京小米移动软件有限公司 | Bearing assembly |
| CN108679095B (en) * | 2018-07-25 | 2024-07-30 | 北京小米移动软件有限公司 | Bearing assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013087165A3 (en) | 2013-08-29 |
| EP2791514A2 (en) | 2014-10-22 |
| WO2013087165A2 (en) | 2013-06-20 |
| DE102012219771A1 (en) | 2013-06-13 |
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