CN102055268B - For the adjustment driver of motor vehicle or the motor of rain brush driver - Google Patents
For the adjustment driver of motor vehicle or the motor of rain brush driver Download PDFInfo
- Publication number
- CN102055268B CN102055268B CN201010525870.2A CN201010525870A CN102055268B CN 102055268 B CN102055268 B CN 102055268B CN 201010525870 A CN201010525870 A CN 201010525870A CN 102055268 B CN102055268 B CN 102055268B
- Authority
- CN
- China
- Prior art keywords
- housing
- armature shaft
- free end
- motor
- compensating element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000004519 grease Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/16—Means for transmitting drive
- B60S1/166—Means for transmitting drive characterised by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of for the adjustment driver of motor vehicle or the motor of rain brush driver, it has armature shaft (1), its one end can be rotated to support in transmission mechanism housing (2), and its another free end (3) has worm screw (4), for driving the worm gear or helical gear that are arranged in described transmission mechanism housing (2), wherein the free end (3) of armature shaft (1) is arranged in the housing (5) that is configured in transmission mechanism housing (2) in order to be supported when larger deflection, it is characterized in that, what the free end (3) and/or housing (5) of armature shaft (1) be provided with at least one is arranged in housing (5) is spherical, cydariform or domed compensating element, (7), on this compensating element, or by this compensating element, the free end of armature shaft (1) (3) is supported on housing (5) when this free end (3) deflects.
Description
Technical field
The present invention relates to the motor of adjustment driver for motor vehicle or rain brush driver, it has armature shaft, its one end can be rotated to support in transmission mechanism housing and its another free end has worm screw, worm gear in transmission mechanism housing or helical gear is arranged on, in the housing that wherein free end of armature shaft is arranged on is configured in transmission mechanism housing to be supported when larger deflection for driving.
Background technology
The usual known this motor with corresponding armature shaft.The motor vehicle adjustment driver of electricity and the armature shaft of rain brush driver not only for holding and support armature, and as actuated element, because the free end non-cutting of armature shaft or the cutting ground worm screw or plug corresponding worm screw on free axle head of being shaped.Imported on armature shaft in the power axially and transverse to axis by worm tooth.Not only for generation of the axial force that desired driving torque is required on worm gear or helical gear, and tangential and radial power all must pass through multiple bearing and is transmitted in transmission mechanism housing.According to driver, different bearings is used to it.In rain brush driver, usually make axle guide in the ball bearing being configured to rigid bearing in side between worm screw and commutator, opposite side in armature position in the tank of pole by sliding bearing as spherical crown is guided.This causes the floating support of worm screw, and therefore the free end of armature shaft is formed to usual cylindricality after the worm screw be located thereon, and is supported with the larger deflection between 0.1 to 0.2mm by the housing in transmission mechanism housing.
In contrast to this, in adjustment driver, ball bearing is not used with substantially identical bearing arrangement.Replace and received the axial force of armature shaft by thrust bearing, namely by making axle head be such as supported by starting chock plug or ball/sheet metal element in the axial direction.
Due to the armature shaft for floating support, the deflection of larger 0.1 to 0.2mm produces additional load and is applied on the worm screw that forms on armature shaft, thus interfering tooth engagement and reduce the degree of overlapping of the tooth of worm screw and the tooth of worm gear or helical gear.This inevitably causes tooth intensity to reduce and causes action effect to be deteriorated.In addition restriction reduces the possibility of root diameter of worm thus, reduces the efficiency determined by the lift angle of worm screw of worm gearing thus.
Support on the axle head that this external cylindricality is formed also exists danger, namely when armature shaft tilts, the free end of armature shaft is stuck in the housing of transmission mechanism housing, this due to so-called seamed edge operate (Kantenl ufer) noticeable wear of the free end of armature shaft may be caused.
Summary of the invention
Therefore the object of the invention is, provide a kind of motor, it can be made simply and run when armature shaft deflects significantly relative to transmission mechanism housing also reliable as far as possible and less wear.
This object is achieved thus according to the present invention, namely on the free end and/or housing of armature shaft, be provided with at least one be arranged on spherical, cydariform or domed compensating element, in housing, the free end of armature shaft is supported on housing when free end deflects thereon or by it.
In other words, here ensure the free end of armature shaft manufacture and functional in support best, it easily and accurately make, can compensate the issuable form error when processing armature shaft simultaneously.Be made up of the free end of the armature shaft be shaped targetedly or the housing be shaped targetedly and the corresponding body corresponding with it in this support advised.Realize the advantage run under a load such as better meshing characteristic thus, and also ensure when common transmission mechanism housing and armature shaft deviation to process simply and the effective support system of function.During by being provided with that this compensating element, makes when deflecting, especially armature shaft is from the position deviation transmission mechanism housing of axis being parallel, when the rotation of armature shaft causes on the housing that the free end of armature shaft is supported on transmission mechanism housing, form point load or specific electric load.Such as be made up of the ring or ring section with spherical, cydariform or spherical cross section by compensating element, in prevent the free end of the cylindricality of armature shaft to be stuck in thus housing that same cylindricality forms.Form integratedly at the free end of this domed ring or ring section and armature shaft, or also form integratedly with housing.
In order to ensure to be attached to the possibility of the armature shaft of tradition processing, in an embodiment of the present invention, described spherical, cydariform or domed ring or ring section can be set on the free end of armature shaft easily.
Alternatively also can, such as in the free end of armature shaft, be provided with hole and make spherical, cydariform or domed ring or loop member be screwed in the free end of armature shaft, for removably fixing wherein.
On the free end that compensating element, need not be made forcibly not interruptedly to be looped around armature shaft or in housing.Replace, also can make on multiple free end being arranged on armature shaft at a distance of the compensating element, arranged and/or in housing.At this, compensating element, is arranged in the symmetrical circumferentially and/or in housing of the free end of armature shaft.
In order to make the frictional force between the free end of compensating element, and armature shaft or housing little as much as possible, specifying in one embodiment, forming at least one groove in housing, it is as grease storehouse, for lubricating the free end of armature shaft.
Particularly preferred embodiment regulation of the present invention, the free end of described housing and armature shaft apart is arranged like this, make only armature shaft free end under a load amount of deflection Δ time, just contact with the face setting up especially point-like between housing at the free end of armature shaft.
Accompanying drawing explanation
Other favourable scheme refers to dependent claims and the explanation to accompanying drawing below.In accompanying drawing:
Fig. 1 illustrates the motor partial view with the armature shaft of deflection conventionally,
Fig. 2 illustrates according to the motor embodiments with the armature shaft of deflection of the present invention,
Fig. 3 a-d illustrates the known structure form of axle head conventionally,
Fig. 4 a-c illustrates the different structure form of the free end according to armature shaft of the present invention, in the housing of corresponding formation,
Fig. 5 illustrates the embodiment selected of motor, has the compensating element, in multiple housing being arranged on transmission mechanism housing.
Embodiment
Fig. 1 illustrates the motor of adjustment driver for motor vehicle or rain brush driver, it has armature shaft 1, its one end can be rotated to support in transmission mechanism housing 2 in a not shown manner, and its another free end 3 has worm screw 4, be arranged on worm gear in transmission mechanism housing 2 or helical gear (not shown equally) for driving.In order to realize supporting when larger deflection (this especially causes alignment deviation between transmission mechanism housing 2 and armature shaft 1), the free end 3 of armature shaft 1 to be arranged in the housing 5 that forms in transmission mechanism housing 2 and to support within it.Here the free end 3 cylindricality ground of armature shaft 1 is formed.Housing 5 is also formed on cylindricality ground in this embodiment, and this causes, and when armature shaft 1 strong tilt mutual with the axis of housing 5, free end 3 is stuck in housing 5.Produce the running of so-called seamed edge, it may cause wearing and tearing very fast due to high frictional force.
In order to avoid or reduce armature shaft 1 correspondingly block in housing 5, advise as shown in Figure 2 according to the present invention, the free end 3 of armature shaft 1 is provided with compensating element, 7, by it, the free end 3 of armature shaft 1 can be moved relative to housing 5 like this when free end deflects, make the alignment deviation between armature shaft 1 and housing 5 limit on housing 5 and to be supported., cydariform spherical at this or domed compensating element, 7 are arranged in housing 5, for being compensated the inclination of armature shaft 1 and the axis angle [alpha] each other of housing 5 targetedly by the point cantact between armature shaft 1 and housing 5 or linear contact lay.
This action principle can for all in figure 3 shown in the axle head 3(shaping worm screw 4 thereon of known armature shaft 1) realize arranging corresponding compensating element, 7.The correspondingly example correspondingly adapting to the compensating element, 7 of the differently composed free end 3 of armature shaft 1 shown in Figure 4.In Fig. 4 a and b, respectively one embodiment of the present of invention are shown, wherein compensating element, 7 is made up of spherical axle journal.Form circlewise according to this axle journal of Fig. 4 a and can be set to easily on the free end 3 of armature shaft 1.In the free end 3 of armature shaft 1, be provided with the hole 8 that center is arranged in fig. 4b, globe journal 7 can be screwed in easily wherein.
In the embodiment according to Fig. 4 a, between the free end 3 of armature shaft 1, produce relatively large friction radius, and friction radius can keep very little in the embodiment according to Fig. 4 b.Plugging axle journal 7 is on the other hand very simple modes, corresponding compensating element, 7 is fixed on the free end 3 of armature shaft 1, for it without the need to preprocessing, and also may need machining center hole 8, if it's not true for screwing in compensating element, 7 in the free end 3 of armature shaft 1.
The free end 3 of armature shaft 1 shown in Fig. 4 c, its cylindricality ground is formed.The compensating element, 7 that the such as plastics that the end section 3 of the driven shaft formed in this cylindricality can plug ball collar form are made.In the housing 5 that then armature shaft 1 can be inserted into cylindricality or bearing holder (housing, cover), or be directly inserted in transmission mechanism housing 2 that cylindricality or part cylinder form.Axis can be compensated thus in a straightforward manner.Another advantage is, when using the material be applicable to be used for compensating element, 7, here in the form of a ring, without the need to using additional bearing holder (housing, cover).In addition can be lower owing to being covered by ring 7 to the requirement on free end 3 surface of armature shaft, namely cut and other surface damage can not have a negative impact to the useful life of the connection between the free end 3 of armature shaft and housing 5 or transmission mechanism housing 2.
Fig. 5 illustrates and of the present inventionly selects embodiment, and wherein compensating element, 7 is not arranged on it free end 3 in order to the free end 3 supporting armature shaft 1, but in replacing and being arranged in transmission mechanism housing 2 housing 5.Here in the housing 5 of transmission mechanism housing 2, multiple compensating element, 7 symmetrical in the extension of housing 5 is inserted in housing 5.Certainly also directly compensating element, 7 can be formed in transmission mechanism housing 2 or housing 5.Compensating element, 7 also without the need to complete cylindricality and 360 degree surround the free end 3 of armature shaft 1, but the motion of armature shaft 1 can be supported according to transmission mechanism version and borne forms in main load direction, and not ensure support effects in other directions.The housing 5 of back shaft or transmission mechanism housing 2 at this position without the need to forming circularly.According to service condition, irregular shape such as in the form of a groove (as grease storehouse) and be easy to process the surface of simple geometry as flat be significant.
Claims (5)
1. for the motor of the adjustment driver of motor vehicle, it has armature shaft (1), its one end can be rotated to support in transmission mechanism housing (2), and its another free end (3) has worm screw (4), for driving the worm gear or helical gear that are arranged in described transmission mechanism housing (2), wherein in order to be supported when larger deflection, the free end (3) of described armature shaft (1) is arranged in the housing (5) that is configured in transmission mechanism housing (2), it is characterized in that, be provided with at least one compensating element, (7), described compensating element, (7) is configured with spherical, the ring of cydariform or spherical cross section or ring section and can be inserted in housing (5), wherein on the free end (3) of armature shaft (1), be processed with centre bore (8), described compensating element, (7) is screwed in this centre bore, and wherein by this compensating element, the free end of armature shaft (1) (3) is supported on housing (5) when this free end (3) deflects.
2. motor as claimed in claim 1, is characterized in that, described motor arranges the rain brush driver being used for motor vehicle.
3. motor as claimed in claim 1, is characterized in that, circumferentially and/or in housing (5) arranging of the free end (3) of described compensating element, (7) in armature shaft (1) symmetrically.
4. motor as claimed in claim 1 or 2, it is characterized in that, in housing (5), be provided with at least one groove, it is as grease storehouse, for lubricating the free end (3) of armature shaft (1).
5. motor as claimed in claim 1 or 2, it is characterized in that, the free end (3) of described housing (5) and armature shaft (1) apart is arranged like this, make free end (3) only in armature shaft (1) under a load amount of deflection Δ time, just between the free end (3) and housing (5) of armature shaft (1), set up point cantact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200910046105 DE102009046105A1 (en) | 2009-10-28 | 2009-10-28 | Electric motor for a car actuator or wiper drive |
| DE102009046105.1 | 2009-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102055268A CN102055268A (en) | 2011-05-11 |
| CN102055268B true CN102055268B (en) | 2015-11-25 |
Family
ID=43828547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010525870.2A Expired - Fee Related CN102055268B (en) | 2009-10-28 | 2010-10-27 | For the adjustment driver of motor vehicle or the motor of rain brush driver |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102055268B (en) |
| DE (1) | DE102009046105A1 (en) |
| FR (1) | FR2951883A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825681A (en) * | 2019-04-01 | 2021-12-21 | 特瑞克产品公司 | Wiper system with articulated pivot |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302366Y (en) * | 1997-10-28 | 1998-12-30 | 如皋市蒲西标准件厂 | Sealed oscillating tube ball-joint bearing |
| CN2930071Y (en) * | 2006-07-21 | 2007-08-01 | 胜华波集团有限公司 | Electric pivot device for automobile motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2809390C2 (en) * | 1978-03-04 | 1984-09-13 | SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen | Electric drive unit, in particular for wiper motors |
| DE59203871D1 (en) * | 1991-04-18 | 1995-11-09 | Siemens Ag | Motor vehicle gear motor drive. |
| EP1744082B1 (en) * | 2005-07-15 | 2011-06-29 | Brose Fahrzeugteile GmbH & Co. KG, Würzburg | Actuator, especially for a motor vehicle |
-
2009
- 2009-10-28 DE DE200910046105 patent/DE102009046105A1/en not_active Withdrawn
-
2010
- 2010-10-26 FR FR1058760A patent/FR2951883A1/en active Pending
- 2010-10-27 CN CN201010525870.2A patent/CN102055268B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302366Y (en) * | 1997-10-28 | 1998-12-30 | 如皋市蒲西标准件厂 | Sealed oscillating tube ball-joint bearing |
| CN2930071Y (en) * | 2006-07-21 | 2007-08-01 | 胜华波集团有限公司 | Electric pivot device for automobile motor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102009046105A1 (en) | 2011-05-05 |
| FR2951883A1 (en) | 2011-04-29 |
| CN102055268A (en) | 2011-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20181027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |