CN101588947A - Windshield wiper drive - Google Patents
Windshield wiper drive Download PDFInfo
- Publication number
- CN101588947A CN101588947A CNA2007800488121A CN200780048812A CN101588947A CN 101588947 A CN101588947 A CN 101588947A CN A2007800488121 A CNA2007800488121 A CN A2007800488121A CN 200780048812 A CN200780048812 A CN 200780048812A CN 101588947 A CN101588947 A CN 101588947A
- Authority
- CN
- China
- Prior art keywords
- wiper
- drive
- windscreen
- motor
- shaft
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000209035 Ilex Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- 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
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- 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
- B60S1/18—Means for transmitting drive mechanically
- B60S1/24—Means for transmitting drive mechanically by rotary cranks
- B60S1/245—Means for transmitting drive mechanically by rotary cranks with particular rod arrangements between the motor driven axle and the wiper arm axle
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- 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
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
- B60S1/58—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for rear windows
- B60S1/583—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for rear windows including wiping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a windshield wiper drive (1) comprising a drive motor (4) having a motor shaft (5), and a wiper shaft (14) via which a gear mechanism is coupled to the motor shaft (5). The invention is characterized in that the gear mechanism comprises a spindle drive (12) which is coupled to the wiper shaft (14) via a power transmission rod assembly (15) having at least one first rod (16).
Description
Technical field
The present invention relates to a kind of preamble according to claim 1, in particular for the windscreen-wiper drive (Scheibenwischerantrieb) of self-propelled vehicle.
Background technology
Windscreen-wiper drive is known with various design plan.Make electric drive motor operate in the front screen windscreen-wiper drive very general as reversing motor (Umsteuermotor).At this, CD-ROM drive motor comes drive seat to be contained in transmission worm screw on the motor drive shaft in the mode of swing, and this transmission worm screw is meshed with the worm gear that is made of plastics, and the S. A. of this worm gear is made of the wiper shaft of support Wiper arm.In order to realize the self-locking (Selbsthemmung) of known front screen windscreen-wiper drive, move owing to the undesirable Windshield Wiper that air-flow causes so that avoid thus, in not operated front screen Windshield Wiper, electric drive motor also continues energising, so that produce the torque towards Windshield Wiper end position direction.
In addition, such rear window wiper actuating device is known, therein, locates driven plastics system worm gear the transmission worm screw commutation driver (Umsetzgetriebe) is driven, and this reverse drive device and wiper shaft link.In such rear window wiper actuating device, self-locking realizes by the special structure of ingear of upset driver.In such driver, the energising that continues of CD-ROM drive motor is unnecessary, yet, must use the comparatively complicated reverse drive device of assembling, well-known, this be have circumscribed.
In addition, two kinds of known windscreen-wiper drives have following deficiency, that is, they need no small structure space.
Summary of the invention
Technical purpose
The objective of the invention is to, propose a kind of windscreen-wiper drive that has the structure space demand that decreases.
Technical scheme
This purpose utilizes the feature of claim 1 to solve.Favourable improvement project of the present invention provides in the dependent claims.At least two kinds combination in all features given in specification sheets, claim and/or accompanying drawing also within the scope of the invention.
Design of the present invention is, driving device as windscreen-wiper drive, be provided with joining with screw drive mechanism (Spindelgetriebe, sometimes or satisfactory shaft transmission), have at least one and push away/the kinematic link mechanism (Kraftuebertragungsgestaenge) of pull bar.The driving device that so is configured to makes following this point become possibility, that is, compare, reduced the structure space that is used for windscreen-wiper drive with known windscreen-wiper drive, because can abandon making the worm gear of large volume made of plastic (than major diameter).Worm gear is replaced by the kinematic link mechanism that preferably directly is connected with wiper shaft, and this kinematic link mechanism is converted into the motion of translation of screw drive mechanism the gyroscopic movement of wiper shaft.In addition, be provided with screw drive mechanism and also make following this point become possibility, that is, realize the self-locking of windscreen-wiper drive as the part of driving device, thereby, can abandon the lasting energising of CD-ROM drive motor and need not to be provided with the demanding gear wheel reversing driver of structure space.
Advantageously be set as follows in design plan of the present invention, that is, the screw rod of screw drive mechanism (Spindel, sometimes or satisfactory axle) is made of the outside thread intercept of motor drive shaft.At this, motor drive shaft need not forcibly to be implemented as (is preferred though this motor drive shaft is implemented as integral type) of integral type, but this outside thread intercept can be made of such axle part, and this part is connected with motor drive shaft original, that supporting wound rotor antitorquely.
Especially advantageously, the outside thread that forms screw rod directly is introduced into preferably in the side (Mantelflaeche) by the made motor drive shaft of metal.By this way, can abandon being used for the fixing independent fastening step of outside thread intercept at the motor drive shaft place.
Alternatively can imagine, the outside thread intercept is configured to independent parts and it is fixed at motor drive shaft or motor drive shaft parts place.For this reason, preferably realize force fit (Presssitz) between externally threaded axle sleeve (Huelse) and motor drive shaft or the motor drive shaft parts having.
For the lasting energising that can abandon CD-ROM drive motor and can guarantee still but that however Wiper arm can be voluntarily owing to air-flow (Fahrwind) move, then advantageously, the selection of the screw thread by screw drive mechanism realizes the self-locking of windscreen-wiper drive.At this, advantageously, this thread structure is become fine thread, to realize enough big static friction.
In design plan of the present invention, except that the outside thread intercept, screw drive mechanism also has the part of carrying (Mitnehmer), this carries that part utilizes its negative thread and is in the outside thread intercept of motor drive shaft and engages, thus, in the rotation of this motor drive shaft that has the outside thread intercept, this carries part and moves with respect to this outside thread intercept in the axial direction.For this motion of translation that this is carried part changes into the hunting motion of wiper shaft, carry part and be connected with first bar of kinematic link mechanism.
For keeping structure space as far as possible little, then such form of implementation is preferred, in this form of implementation, this kinematic link mechanism comprises at least two, preferred two bars only, wherein, preferably, first bar of this kinematic link mechanism hingedly with carry that part is connected and hingedly be connected with second bar by another swivel coupling, this second bar preferably is connected with the wiper shaft that is supporting Wiper arm directly antitorquely.
Alternatively it is contemplated that, make first bar rigidly with carry part and be connected, and second degree of freedom of kinematic link mechanism realized by second the adjustable length structure that is connected with wiper shaft antitorquely.For optimization utilize operational structure space, if be parallel to motor drive shaft and extend, then be favourable at this this first bar.
Such form of implementation is preferred, that is, in this form of implementation, the electric drive motor of windscreen-wiper drive turns round as reversing motor, that is, alternately turn round on opposite hand of rotation.For this reason, be provided with the commutation electronic machine (Umsteuerelektronik) of the polarity conversion that is used for running current.
Preferably be applicable to as the rear window wiper actuating device according to windscreen-wiper drive of the present invention, use but also can be used as the front screen windscreen-wiper drive certainly.
Description of drawings
Can draw further advantages of the present invention with reference to the accompanying drawings and from following description of preferred embodiments, feature and details.Wherein:
Fig. 1 has shown first embodiment of the windscreen-wiper drive that has screw drive mechanism and kinematic link mechanism, and wherein, first bar of kinematic link mechanism is connected with the part that carries of screw drive mechanism in the pivotally attached mode.
Fig. 2 has shown the alternative of windscreen-wiper drive, wherein, first bar of kinematic link mechanism rigidly with carry part and be connected, and second bar of kinematic link mechanism is configured to adjustable length bar.
The specific embodiment
In the accompanying drawings, identical parts and the parts that have an identical function indicate with identical reference number.
In Fig. 1, schematically showing the windscreen-wiper drive 1 that is configured to the rear window wiper actuating device in the view.Windscreen-wiper drive 1 comprises pole shoe (Polgehaeuse) 2, and it is fixed on the device housing 3.In pole shoe 2, show only schematically show, have seat and be contained in the electric drive motor 4 of the rotor 6 on the motor drive shaft 5.For clarity sake, the stator magnet that is contained in the pole shoe 2 is not shown.CD-ROM drive motor 4 can turn round with the rotation direction that replaces by means of unshowned commutation electronic machine.
Mode seat with force fit on the motor drive shaft 5 in extending into device housing 3 is equipped with the axle sleeve 9 (having the outside thread 10 that is configured to fine thread) that is made of metal.Axle sleeve 9 and the outside thread 10 common outside thread intercepts 11 that constitute motor drive shaft 5.Outside thread intercept 11 has constituted the screw rod of screw drive mechanism 12 again.
Be equipped with at outside thread intercept 11 seats of honour and carry part 13, it utilizes unshowned negative thread and is in the outside thread 10 of outside thread intercept 11 and engages.By the rotation of motor drive shaft 5 on one or another circumferential direction, carry part 13 correspondingly on the direction of free axis end 14 or on the direction of CD-ROM drive motor 4, moving.
The moving of translation of carrying part 13 will be delivered on the wiper shaft 14 that vertically is erected on the figure paper plane by means of kinematic link mechanism 15.For this reason, kinematic link mechanism 15 comprises first bar 16 (pushing away/pull bar), its by means of first swivel coupling 20 with the pivotally attached mode with carry part 13 and be connected.Be furnished with second swivel coupling 18 at it back to free end 17 places of carrying part 13, utilize these swivel coupling 18, the first bars 16 to be connected with second bar 19 in the pivotally attached mode.Second bar 19 is connected with axle drive shaft 14 antitorquely and makes this 14 rotation of carrying out on certain angle of rotation in the motion of translation that carries part 13.
To set forth embodiment below according to Fig. 2, wherein, for fear of repetition, in this research and difference according to the embodiment of Fig. 1.About common ground, can consult previous accompanying drawing and describe.
Different with the embodiment of the windscreen-wiper drive shown in Fig. 1, first bar 16 of kinematic link mechanism 15 rigidly with carry part 13 and be connected and be parallel to motor drive shaft 5 and extend.In order to compensate owing to first bar 16 and to carry the degree of freedom that the lasting connection of the rigidity between the part 13 loses, then this second bar 19 is not the framing member that is configured to rigidity, but is configured to adjustable length expansion link.In the motion of translation that carries part 13, second bar, 19 solderless wrapped connections, 17 swing also change its effective length in this.Second bar 19 utilizes its free end and is connected with wiper shaft 14 antitorquely.
Claims (10)
1. windscreen-wiper drive, have have motor drive shaft (5) CD-ROM drive motor (4) and have by driving device and the joining wiper shaft of described motor drive shaft (5) (14),
It is characterized in that described driving device comprises screw drive mechanism (12), this screw drive mechanism (12) links with described wiper shaft (14) by the kinematic link mechanism (15) with at least one first bar (16).
2. windscreen-wiper drive according to claim 1 is characterized in that, the screw rod of described screw drive mechanism (12) is made of the outside thread intercept (11) that is configured to motor drive shaft (5) in the mode of single type or multi-piece type.
3. windscreen-wiper drive according to claim 2 is characterized in that, described outside thread intercept (11) directly is incorporated in the side of described motor drive shaft (5).
4. windscreen-wiper drive according to claim 2 is characterized in that, described outside thread intercept (11) is constituted by being fixed on the externally threaded axle sleeve that has that described motor drive shaft (5) locates.
5. according to each described windscreen-wiper drive in the claim 2 to 4, it is characterized in that described screw drive mechanism (12) has screw thread, the especially fine thread of the self-locking that causes described windscreen-wiper drive (1).
6. according to each described windscreen-wiper drive in the claim 2 to 5, it is characterized in that, be provided with to be in described outside thread intercept (11) and carry part (13) in engaging, this carries part (13) and is connected with first bar (16) of described kinematic link mechanism (15).
7. windscreen-wiper drive according to claim 6 is characterized in that, first bar (16) of described kinematic link mechanism (15) is connected with the described part (13) that carries in the pivotally attached mode.
8. windscreen-wiper drive according to claim 7 is characterized in that, second bar (19) of described kinematic link mechanism (15) carries that part (13) is connected and is connected with described wiper shaft (5) rigidly with described in the pivotally attached mode.
9. according to each described windscreen-wiper drive in the aforementioned claim, it is characterized in that, be provided with the commutation electronic machine, to be used for running as the described CD-ROM drive motor (4) of reversing motor.
10. one kind will be used as the application of rear window wiper actuating device according to each described windscreen-wiper drive (1) in the aforementioned claim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610061632 DE102006061632A1 (en) | 2006-12-27 | 2006-12-27 | Windscreen wiper drive e.g. rear windscreen wiper drive, for motor vehicle, has drive motor with motor shaft, where wiper shaft is coupled with motor shaft through gear unit which has spindle gear coupled with wiper shaft through linkage |
| DE102006061632.4 | 2006-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101588947A true CN101588947A (en) | 2009-11-25 |
Family
ID=38787188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800488121A Pending CN101588947A (en) | 2006-12-27 | 2007-10-29 | Windshield wiper drive |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2125459A1 (en) |
| CN (1) | CN101588947A (en) |
| BR (1) | BRPI0721037A2 (en) |
| DE (1) | DE102006061632A1 (en) |
| WO (1) | WO2008080652A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008042707A1 (en) * | 2008-10-09 | 2010-04-15 | Robert Bosch Gmbh | driving device |
| DE102008042706A1 (en) | 2008-10-09 | 2010-04-15 | Robert Bosch Gmbh | Drive device for windshield wiper device of motor vehicle, has linear movement element connected with output shaft by crank, where crank is coupled with linear movement element by pin that is guided via slotted hole |
| DE102009027155A1 (en) | 2009-06-24 | 2010-12-30 | Robert Bosch Gmbh | Drive device for windshield wiper system, has drive motor and linear drive driven by motor, where drive motor has stator and rotor and spindle and spindle nut are assigned to linear drive |
| DE102009045078A1 (en) | 2009-09-29 | 2011-03-31 | Robert Bosch Gmbh | Windscreen wiper drive for motor vehicle, has electric motor coupled with output shaft for windscreen wiper arm by transmission, and designed as linear motor, which exhibits actuating rod connected with transmission by bolt |
| FR2972410B1 (en) * | 2011-03-10 | 2013-03-22 | Falgayras Sas | ICE WIPER DEVICE WITH BALL SCREWS AND FORK |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE735307C (en) * | 1937-07-26 | 1943-05-12 | Lamaudiere Paul F J | windshield wipers |
| US2608103A (en) * | 1949-01-28 | 1952-08-26 | Times Facsimile Corp | Worm gear drive |
| DE2013401B2 (en) * | 1970-03-20 | 1973-02-01 | SWF Spezialfabnk fur Autozubehör Gustav Rau GmbH, 7120 Bietigheim | WINDOW WASHER, IN PARTICULAR FOR VEHICLES |
| JPH0788157B2 (en) * | 1988-01-19 | 1995-09-27 | 株式会社日本自動車部品総合研究所 | Vehicle wiper device |
| JP2510792Y2 (en) * | 1992-02-27 | 1996-09-18 | アスモ株式会社 | Motor support device |
| IT1280993B1 (en) * | 1995-10-20 | 1998-02-11 | Magneti Marelli Spa | WINDSCREEN WIPER DEVICE. |
-
2006
- 2006-12-27 DE DE200610061632 patent/DE102006061632A1/en not_active Withdrawn
-
2007
- 2007-10-29 BR BRPI0721037-0A patent/BRPI0721037A2/en not_active IP Right Cessation
- 2007-10-29 CN CNA2007800488121A patent/CN101588947A/en active Pending
- 2007-10-29 WO PCT/EP2007/061593 patent/WO2008080652A1/en active Application Filing
- 2007-10-29 EP EP07821953A patent/EP2125459A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008080652A1 (en) | 2008-07-10 |
| BRPI0721037A2 (en) | 2014-07-29 |
| DE102006061632A1 (en) | 2008-07-03 |
| EP2125459A1 (en) | 2009-12-02 |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091125 |