CN105083224A - Vehicle wiper gearbox and vehicle wiper drive system - Google Patents
Vehicle wiper gearbox and vehicle wiper drive system Download PDFInfo
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- CN105083224A CN105083224A CN201410179533.0A CN201410179533A CN105083224A CN 105083224 A CN105083224 A CN 105083224A CN 201410179533 A CN201410179533 A CN 201410179533A CN 105083224 A CN105083224 A CN 105083224A
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Abstract
The present invention relates to a vehicle wiper gearbox and a vehicle wiper drive system. The gearbox comprises a transmission gear installed in the gearbox and provided with an actuating part; a first parking signal terminal and a second parking signal terminal which are electrically conductive and are arranged in a spaced manner; and a metal drive part comprising an actuated part and a moving terminal which are fixed together. When the transmission gear rotates towards a positive direction, the actuated part can be actuated by the actuating part of the transmission gear to drive the driven part to rotate, and the moving terminal changes electric conductive states between the two parking signal terminals at at least one parking position within a rotating cycle of the driven part. When the transmission gear rotates towards a negative direction instead of the positive direction, actuation of the actuating part is away from the actuated part, and thus the driven part is not driven. The problem that a wiper joggles after meeting foreign matters during closing is solved, the wiper gearbox is compact in structure, and die costs, installation procedures and labor costs are reduced.
Description
Technical field
The present invention relates to structure and the control field of vehicle wiper system; Specifically, the present invention relates to Vehicular wiper change speed gear box and comprise its Vehicular wiper drive system.
Background technology
Windshield Wiper is installed on the windshield of automobile, back window glass even at the head light place of some vehicle, for removing rain, snow or other foreign matter.In the most general case, open wiper switch, wiper motor starts and to rotate and this movement transition becomes the crank motion of windshield place Windshield Wiper, makes Windshield Wiper back and forth scrape the visbility cleaned the windows when improving driving.The Windshield Wiper at back window glass and head light place can be respectively used to improve rear visibility and head light illuminating effect.
In order to enable Windshield Wiper be returned to its parked position (extreme lower position) with the sight line of obstruction free chaufeur after closedown wiper switch, in prior art, in the change speed gear box of Windshield Wiper, be provided with the parked signal element of Windshield Wiper.Housing 10 and a transmission gear 11 of the change speed gear box of a kind of Windshield Wiper of the prior art are shown in Fig. 1, have been provided with a pair parked signal terminal 11,13 on the housing 10, the bottom surface of transmission gear 11 is provided with moved end (such as contact) 14.After closedown wiper switch, wiper motor continues to drive Windshield Wiper to swing, until when Windshield Wiper arrives its parked position, moved end 14 is by parked signal terminal 11,13 short circuit and send parked signal to electric machine controller, and motor controller controls motor stops.The shortcoming of this wiper system is, when having fallen leaves, accumulated snow or other foreign matter bottom windshield, electricity opportunity driven Windshield Wiper is compressed and is arrived parked position, this Time Controller controls motor to be stopped, Windshield Wiper no longer makes by motor propulsive effort Windshield Wiper pushes back by fallen leaves or accumulated snow etc., moved end 14 leaves parked signal terminal 11,13, motor again obtains drive singal and Windshield Wiper is urged to parked position, so repeatedly carry out, until manually remove fallen leaves, accumulated snow or other foreign matter etc. bottom windscreen.The problem that Windshield Wiper swings so repeatedly has a strong impact on the service life of Windshield Wiper, transmission device and motor.
In order to avoid this of Windshield Wiper moves repeatedly, in prior art, make improvement as shown in Figure 2.Gear box casing 20, transmission gear 21 and dish 22 have been shown in Fig. 2, gear box casing 20 is provided with two parked signal terminals (not shown) in the mode identical with Fig. 1, the basal surface of dish 22 is provided with moved end or contact (not shown) in the mode identical with the transmission gear in Fig. 1, the upper surface of dish 22 is formed with extension 23, the surface of transmission gear 21 is formed with extension 24.Use Windshield Wiper during, motor drive transmission gear 21 with make Windshield Wiper swing while, the extension 24 of transmission gear 21 promotes the extension 23 on dish 22, and dish 22 is rotated with transmission gear 21.After closedown wiper switch, motor continues to drive transmission gear 21 to rotate, and when Windshield Wiper arrives parked position, parked signal terminal short circuit is sent parked signal by moved end, and motor controller controls motor stops.Now, Windshield Wiper boosts by the fallen leaves, accumulated snow etc. of pressurized, be with nutating gear 21 to turn round simultaneously, dish 22 extension 23 on dish 22 can not be driven when turning round, so can not reverse, can not lose the signal making motor stop due to the extension 24 on now transmission gear 21.Doing so avoids the problem that Windshield Wiper swings repeatedly in parked position.But the use of the dish 22 in this wiper system makes the structure of change speed gear box compact not, and additionally increases die cost, installation procedure and cost of labor.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Vehicular wiper change speed gear box that can overcome aforementioned drawback of the prior art, and provides a kind of Vehicular wiper drive system comprising it further.
In order to solve aforementioned technical problem, a first aspect of the present invention provides a kind of Vehicular wiper change speed gear box, and described change speed gear box comprises:
Be installed on the transmission gear of described change speed gear box, described transmission gear is provided with actuation part;
First parked signal terminal of conduction and the second parked signal terminal, described first parked signal terminal and described second parked signal terminal compartment of terrain are arranged; And
The passive element of metal, it comprises the portion that activated and moved end that are fixed together;
When described transmission gear rotates towards positive dirction, the portion that activated of described passive element can be activated by the described actuation part of described transmission gear and drive described passive element to rotate, and on a parked position, at least changes the electric conducting state between described first parked signal terminal and described second parked signal terminal at of moved end described in the swing circle of described passive element; When described transmission gear from positive dirction change into rotate in the opposite direction time, the described actuation part of described transmission gear activates and does not drive described passive element by away from the portion's of activateding motion described in described passive element.
Alternatively, in foregoing change speed gear box, described actuation part is the first extension towards described drive element, described in the portion of activateding be the second extension towards described transmission gear, described first extension can promote described second extension.
Alternatively, in foregoing change speed gear box, the molded plastic part that described transmission gear and described actuation part are integrated.
Alternatively, in foregoing change speed gear box, described in activated portion and described moved end forms as one.
Alternatively, in foregoing change speed gear box, described first parked signal terminal has notched ring shaped contact portion, and the housing of change speed gear box is fixed on around the rotation axis of described passive element in described ring shaped contact portion; Described second parked signal terminal has the parked contact part of the breach being positioned at described first parked signal terminal, and
On described parked position, ring shaped contact portion and described parked contact part described in the electrical contact simultaneously of described moved end; When leaving described parked position, described moved end does not contact described second parked signal terminal.
Alternatively, in foregoing change speed gear box, described drive element also has the pivot arm of one end fits to described housing, and described pivot arm is made up of conductive material, and described first parked signal terminal and described moved end are all electrically connected to described pivot arm; Described moved end has contact, and it is the second parked signal terminal described in described parked position electrical contact.
Alternatively, in foregoing change speed gear box, described housing is formed with rotating shaft in described rotation axis place, described one end ring set of described pivot arm is in described rotating shaft, and described first parked signal terminal is electrically connected to described one end.
Alternatively, in foregoing change speed gear box, described rotating shaft is provided with spring washer or pad, compresses described pivot arm and make to be Elastic Contact between described pivot arm and described first parked signal terminal, between described contact and described second parked signal terminal.
In order to solve aforementioned technical problem, a second aspect of the present invention provides a kind of Vehicular wiper drive system, and described system comprises:
Change speed gear box according to any one of aforementioned first aspect;
For driving the motor of described change speed gear box; And
Electric machine controller, wherein,
After the switch of Windshield Wiper is closed, described electric machine controller makes described motor drive described Windshield Wiper to Windshield Wiper parked position, until the electric conducting state of described first parked signal terminal and described second parked signal terminal changes.
Alternatively, in foregoing system, the transmission system in described change speed gear box comprises by the shaft drying worm screw of the output of described motor, and described transmission gear is the worm gear coordinating transmission with described worm screw.
Alternatively, in foregoing system, described system also comprises the only actv. Windshield Wiper maintenance switch when described moved end is positioned at parked position; When it is unlocked, described electric machine controller makes described motor drive described Windshield Wiper to move to maintenance position.
Can effectively prevent from running into fallen leaves, accumulated snow or other foreign matter when closing Windshield Wiper by the Vehicular wiper change speed gear box that as above arranges and Vehicular wiper drive system and the problem of repeatedly shaking, while Windshield Wiper change speed gear box compact conformation, reduce die cost, installation procedure and cost of labor.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will become more obvious.Should understand, these accompanying drawings only for illustration of object, and be not intended to limit protection scope of the present invention.In figure:
Fig. 1 shows the housing of a kind of Vehicular wiper change speed gear box of the prior art and the schematic perspective view of transmission gear wherein;
Fig. 2 shows the schematic perspective view of the housing of another kind of Vehicular wiper change speed gear box of the prior art and transmission gear wherein, dish;
Fig. 3 shows the schematic diagram of the housing according to the Vehicular wiper change speed gear box in one embodiment of the present invention; And
Fig. 4 shows the schematic perspective view of the Vehicular wiper drive system according to one embodiment of the present invention.
Detailed description of the invention
Describe the specific embodiment of the present invention in detail with reference to the accompanying drawings below.
Fig. 3 shows the schematic diagram of the housing according to the Vehicular wiper change speed gear box in one embodiment of the present invention.In figure 3, Reference numeral 30 represents Windshield Wiper gear box casing, 31 represent passive elements activated portion, 32 represent passive elements moved end son, 33 represent the first parked signal terminals, 34 represent the second parked signal terminal, the ring shaped contact portion of 35 expression the first parked signal terminals, 36 represent the contacts that moved end is located, the elastomeric pad of rotating shaft place of 37 expression passive elements, the pivot arm of 38 expression passive elements, the rotating shaft of 39 expression passive elements.
In the illustrated embodiment, housing 30 can be Plastic Parts, and it is provided with the first parked signal terminal 33 and the second parked signal terminal 34 of conduction, these two terminals are spaced from each other.Alternatively, these two parked signal terminals can be made up of conductive metal sheet.The part of first parked signal terminal 33 form around the shaft 39, the parked signal terminal 34 in tool ring shaped contact portion jaggy 35, second has the parked contact part being positioned at this indentation, there.One end ring set of the pivot arm 38 of passive element (comprising the portion of activateding 31, moved end 32 and pivot arm 38) is in this rotating shaft 39, and, by from the first parked signal terminal 33 radially towards the sponson of rotating shaft 39, this end is electrically connected to the first parked signal terminal 33.Can find out, when passive element 39 rotation around the shaft, moved end 32 slides in the ring shaped contact portion 35 of sheetmetal.The existence in the ring shaped contact portion 35 that sheetmetal is made can prevent undue wear plastic casing 30.In alternative embodiments, the first parked signal terminal 33 and the second parked signal terminal 34 also can adopt the conductive material of other form to make.
In order to ensure the contact stabilization of each terminal, the first parked signal terminal 33 and the second parked signal terminal 34 are all fixed on the housing 30 of Windshield Wiper change speed gear box, such as, can be fixed by the screw of suitable number or rivet etc.In use by after in the structure installment in Fig. 3 to wiper system, the far-end of this first parked signal terminal 33 and the second parked signal terminal 34 can be connected to and send in the circuit of parked signal to wiper motor controller, like this, parked signal can be sent to wiper motor when the short circuit of the first parked signal terminal 33 and the second parked signal terminal 34.
It should be noted that at this, in other embodiments, when also can be arranged to other change (such as the disconnecting) of electric conducting state, send parked signal to wiper motor.With regard to graphic embodiment, because the first parked signal terminal 33 has notched ring shaped contact portion 35, its rotation axis around metal passive element is fixed on the housing 30 of change speed gear box, and the second parked signal terminal 34 has the parked contact part of the breach being positioned at the first parked signal terminal 33, so drive element can rotate in ring shaped contact portion 35 around its rotating shaft 39 by actuating, and (" parked position ") can change the electric conducting state of the first parked signal terminal 33 and the second parked signal terminal 34 when moved end 32 is transformed on the second parked signal terminal 34 from the first parked signal terminal 33.For to be changing into on-state from off-state in examples shown.
At this, " parked position " refers to the passive element position when Vehicular wiper is in extreme lower position (initial position of the Windshield Wiper) place of windscreen by the determined correspondence in transmission gear position.When Vehicular wiper switch cuts out, when passive element reaches this " parked position ", send due to the electric conducting state change of two-terminal 33 and 34 signal that motor is stopped to electric machine controller, electric machine controller will control motor and stop moving; When passive element leaves this " parked position ", the contrary electric conducting state of two-terminal 33 and 34 changes and sends the signal making motor rotation to electric machine controller, and motor controller controls motor can drive Vehicular wiper action.Visible, include but not limited to that moved end 32 etc. of the first parked signal terminal 34 of parked signal terminal 33, second and drive element constitutes the parked control mechanism of actv. Windshield Wiper when Vehicular wiper switch cuts out, for making Windshield Wiper can the parked extreme lower position at windscreen after closedown.Also can be understood by above explanation, when Vehicular wiper switch opens, the parked control mechanism of this Windshield Wiper lost efficacy, and the electric conducting state change of two parked signal terminals does not send to electric machine controller and stops signal, and the hydrodynamic(al) of normally scraping that can not affect Windshield Wiper is done.
In order to realize the driving in the portion that activated 31 to passive element, also need in this Windshield Wiper change speed gear box to be provided with the actuation part be associated with the motion of Windshield Wiper.Such as, transmission gear 21 as shown in Figure 2 can be adopted in alternative embodiments, it is formed with actuation part 24.This transmission gear 21 can be installed on the change speed gear box of Windshield Wiper, and when transmission gear 21 drives by motor and makes wiper motion, actuation part 24 promotes the portion that activated 31 39 rotations around the shaft on passive element.In a particular embodiment, the transmission device comprised in the change speed gear box of transmission gear 21 can be worm-and-wheel gear, and now transmission gear is worm gear wherein; Also can be gear cluster, now aforementioned drive gear be one of gear in gear cluster; Or the transmission device of other form.In order to ensure the propulsive effort of actuation part 24, it can be build-in or fix on transmission gear, also can otherwise be fixed on transmission gear.Can understand, in order to make the intensity of structure higher, actuation part 24 can be integrally formed on transmission gear, such as, make the molded plastic part that transmission gear and actuation part are integrated, and so also has saving mould simultaneously, reduces the advantages such as extra assembling link.
Passive element in the present invention can be that hardware is made, and comprises the portion that activated 31 and moved end 32 that are fixed together.As shown in the figure, activated portion 31, moved end 32 and pivot arm 38 can be riveted on together; Also can be fixed together by the mode such as to be spirally connected or chimeric in other embodiment optional.Can understand, by this drive element in the present invention, eliminate dish 20(of the prior art and see Fig. 2), decrease other assembly technology, save assembly cost, and make the structure of Windshield Wiper change speed gear box compacter.In the illustrated embodiment, activated portion and moved end also can form, such as, can be formed by single metal plate stamping, this further will reduce processing and assembly cost.In addition, whole driven member all adopts hardware to be more conducive to processing and manufacturing; Adopting in prior art to need when plastics and sheetmetal bi-material to process respectively bi-material and molding carries out assembly process again, needs extra operation and cost of labor.The contact 36 that the end of moved end 32 is arranged also can be assemblied on of moved end by be spirally connected, rivet or chimeric etc.Contact 36 can be that a salient point towards parked signal terminal is to ensure the electrical connection of the contact part of moved end 32 and each parked signal terminal.
In addition, in order to ensure the reliability of each electrical connection place, rotating shaft 39 can be provided with spring washer or pad 37, and it compresses pivot arm 38 towards housing 30, makes to be Elastic Contact between pivot arm 38 and the first parked signal terminal 33, between contact 36 and the second parked signal terminal 34.This elasticity can be realized around rotating shaft 39 and to the tooth-like part that housing 30 slightly bends by the center position of packing ring, as shown in Figure 3.
As previously mentioned, drive element is also provided with the pivot arm 38 that rotating shaft 39 received by one end cover, it is made up of conductive material.Can understand, pivot arm 38 also can be engaged to housing to be different from graphic alternate manner.Such as but not limited to, in not shown Alternate embodiments, the end of pivot arm 38 can slidably be engaged in the circular groove on housing 30, when annularly groove slides for it bootable drive element drive moved end around rotation axis annularly contact part 35 rotate.In further embodiment, even pivot arm 38 can not be set, and make drive element directly along the guide groove (not shown) on housing 30 or guide rail (not shown) motion that arranges in addition thus the rotation realized around the shaft.
Although the first parked signal terminal 33 and moved end 32 are all electrically connected to pivot arm 38 in the embodiment in figure 3, and moved end 32 can have the contact 36 of the projection at the parked signal terminal 34 of parked position electrical contact second, but, in not shown Alternate embodiments, first parked signal terminal and the second parked signal terminal all can not be electrically connected to pivot arm (even not arranging pivot arm), moved end then can have certain length, make the electric conducting state (short circuit) both changing when moved end is overlapped on the first parked signal terminal and the second parked signal terminal simultaneously, thus the signal that motor is stopped is sent to wiper motor controller, in this case, protruding contact can be formed on two parked signal terminals.Now, moved end, parked position can be arranged in can be electrically connected the ring shaped contact portion of the first parked signal terminal and the parked contact part of the second parked signal terminal simultaneously.
Actuation part 24 on transmission gear 21 and the driven part 31 on passive element can have multiple different way of realization.Actuation part 24 in the illustrated embodiment on transmission gear can be the first extension from transmission gear 21 towards drive element, and the portion that activated 31 on drive element then can for the second extension towards transmission gear.When being installed in change speed gear box, transmission gear 21 and passive element can have common axis of rotation line, and actuation part 24 also makes the side of the first extension can promote the side of the second extension when rotating towards positive dirction with the distance of the first extension and the second extension distance rotation axis that activated portion 31 formation." positive dirction " herein refer to motor drive Windshield Wiper time corresponding transmission gear hand of rotation.When transmission gear 21 rotates towards positive dirction, the portion that activated 31(second extension of passive element) actuation part 24(first extension of gear can be transmitted) activate and drive passive element to rotate, and in the swing circle of passive element the electric conducting state of moved end 32 at least on a parked position between change the first parked signal terminal 33 and the second parked signal terminal 34; When transmission gear from positive dirction change into rotate in the opposite direction time, actuation part 24(first extension of transmission gear) activate by the portion that activated 31(second extension away from passive element) motion and do not drive passive element.In other optional detailed description of the invention, also can adopt the actuation part of other form except extension and activated portion, not repeating them here.
Fig. 4 shows the schematic perspective view of the Vehicular wiper drive system according to one embodiment of the present invention.In the diagram, Reference numeral 30 represents Windshield Wiper gear box casing, and 30a represents the fasteners on housing, and the main body of 40 expression Windshield Wiper change speed gear boxs, 50 represent Windshield Wiper drive motor.This Vehicular wiper drive system can comprise change speed gear box as previously described in connection with figure 3, for driving the motor 50 of change speed gear box and not shown electric machine controller etc.
Can understand, the Windshield Wiper change speed gear box in figure can have been settled in the Windshield Wiper change speed gear box main body 40 of transmission gear 21 as shown in Figure 2 by being assemblied in by the housing (and each annex graphic) in Fig. 3 and having formed in an optional example.Housing 30 can be fastened in this main body 40 by various mode, such as by clamping, be spirally connected.In order to make to safeguard and cost-saving, have employed structure simple operations fasteners 30a easily in the example shown in the series of figures, by the relevant position of fastening in main body 40 completing the assembling of housing and change speed gear box main body.
Those skilled in the art can understand, after the main body 40 Windshield Wiper gear box casing 30 being installed on change speed gear box, actuated piece 24 and passive element, the parked signal terminal 34 of the first parked signal terminal 33, second etc. (including but not limited to these parts) of transmission gear 21 can form the parked control mechanism of aforesaid Windshield Wiper.When Windshield Wiper normally works, transmission gear 21 drives by motor and rotates towards positive dirction, and the actuation part 24 that now portion that activated 31 of passive element can be transmitted gear 21 activates and drives passive element to rotate; After wiper switch is closed, continuation drives by motor, until moved end son 32 short circuit first parked signal terminal 33 and the second parked signal terminal 34(or its electric conducting state is changed) and make wiper motor controller stop wiper motor.Now, even if there is application force (such as from the fallen leaves bottom windscreen, accumulated snow or other foreign matter) to promote Vehicular wiper rollback, the passive element comprising the portion of activateding 31 and moved end 32 etc. also can not leave parked position by rollback.Doing so avoids the jitter problem repeatedly of Vehicular wiper when to have foreign matter bottom windscreen.
Those skilled in the art can understand, and " electric conducting state change " change that can both comprise from non-electric conducting state to electric conducting state above also comprises the change from electric conducting state to non-electric conducting state.In embodiment in figure 3, one end of pivot arm 38 can ring set be positioned at housing 30 to its rotating shaft 39() upper and can be electrically connected with the first parked signal terminal 33 at this end place, make drive element can along with pivot arm 38 around the shaft 39 rotate, and when the contact 36 on moved end 32 contacts the ring shaped contact portion 35 of the first parked signal terminal 33, between the first parked signal terminal 33 and the second parked signal terminal 34, be in non-electric conducting state; When contact 36 on moved end 32 moves on the parked contact part of the second parked signal terminal 34, first parked signal terminal 33 and the second parked signal terminal 34 are by short circuit, therebetween be changed to electric conducting state, now send parked signal due to electric conducting state change to wiper motor controller.In optional another kind of embodiment, also can by the second parked signal terminal 34(such as aforementioned parked contact part) be electrically connected to one end place of ring set to rotating shaft 39 of pivot arm 38, like this, when the contact 36 on moved end 32 contacts the ring shaped contact portion 35 of the first parked signal terminal 33, between the first parked signal terminal 33 and the second parked signal terminal 34, be in electric conducting state; When contact on moved end 32 moves away ring shaped contact portion 35 and arrives its indentation, there, be in non-electric conducting state between first parked signal terminal 33 and the second parked signal terminal 34, now send parked signal due to electric conducting state change to wiper motor controller.
As everyone knows, in general vehicle, Windshield Wiper can be exposed on engine compartment cover when parked position, operates immediately when safeguarding it or changing to Windshield Wiper.But, in some higher vehicles, in order to prevent Windshield Wiper affect vehicle travel in aerodynamic performance, can adopt by the design of the extreme lower position of Windshield Wiper being positioned at below engine compartment cover, when inactive Windshield Wiper, it will be hidden.In this case, because parked Windshield Wiper is in stowed position, so can not directly manually operate when needs to be safeguarded Windshield Wiper or changed.In order to address this problem, Windshield Wiper drive system of the present invention can also include Windshield Wiper maintenance switch, and it is only effective when moved end is positioned at parked position.After this maintenance switch of unlatching, if determine Windshield Wiper to be in parked position, then electric machine controller makes motor drive Windshield Wiper to move to maintenance position.Should " maintenance position " can determine by making wiper motor low-speed running regular time, as ten seconds etc.
If the front description carried out the preferred embodiment of the present invention is with reference to the accompanying drawings only exemplary and explanat; Those skilled in the art also can carry out accommodation or the remodeling of equivalent or similar type under teaching herein to the preferred embodiment of the present invention, these flexible or remodeling also will fall in the protection domain that covered by claims of the present invention.
Claims (11)
1. a Vehicular wiper change speed gear box, is characterized in that, described change speed gear box comprises:
Be installed on the transmission gear of described change speed gear box, described transmission gear is provided with actuation part;
First parked signal terminal of conduction and the second parked signal terminal, described first parked signal terminal and described second parked signal terminal compartment of terrain are arranged; And
The passive element of metal, it comprises the portion that activated and moved end that are fixed together;
When described transmission gear rotates towards positive dirction, the portion that activated of described passive element can be activated by the described actuation part of described transmission gear and drive described passive element to rotate, and on a parked position, at least changes the electric conducting state between described first parked signal terminal and described second parked signal terminal at of moved end described in the swing circle of described passive element; When described transmission gear from positive dirction change into rotate in the opposite direction time, the described actuation part of described transmission gear activates and does not drive described passive element by away from the portion's of activateding motion described in described passive element.
2. change speed gear box as claimed in claim 1, wherein, described actuation part is the first extension towards described drive element, described in the portion of activateding be the second extension towards described transmission gear, described first extension can promote described second extension.
3. change speed gear box as claimed in claim 1, wherein, the molded plastic part that described transmission gear and described actuation part are integrated.
4. change speed gear box as claimed in claim 1, wherein, described in activated portion and described moved end forms as one.
5. change speed gear box as claimed in claim 1, wherein, described first parked signal terminal has notched ring shaped contact portion, and the housing of change speed gear box is fixed on around the rotation axis of described passive element in described ring shaped contact portion; Described second parked signal terminal has the parked contact part of the breach being positioned at described first parked signal terminal, and
On described parked position, ring shaped contact portion and described parked contact part described in the electrical contact simultaneously of described moved end; When leaving described parked position, described moved end does not contact described second parked signal terminal.
6. change speed gear box as claimed in claim 1, wherein, described first parked signal terminal has notched ring shaped contact portion, and the housing of change speed gear box is fixed on around the rotation axis of described passive element in described ring shaped contact portion; Described second parked signal terminal has the parked contact part of the breach being positioned at described first parked signal terminal, and, described drive element also has the pivot arm of one end fits to described housing, described pivot arm is made up of conductive material, further, described first parked signal terminal and described moved end are all electrically connected to described pivot arm; Described moved end has contact, and it is the second parked signal terminal described in described parked position electrical contact.
7. change speed gear box as claimed in claim 6, wherein, described housing is formed with rotating shaft in described rotation axis place, described one end ring set of described pivot arm is in described rotating shaft, and described first parked signal terminal is electrically connected to described one end.
8. change speed gear box as claimed in claim 7, wherein, described rotating shaft is provided with spring washer or pad, compresses described pivot arm and make to be Elastic Contact between described pivot arm and described first parked signal terminal, between described contact and described second parked signal terminal.
9. a Vehicular wiper drive system, is characterized in that, described system comprises:
As change speed gear box in any one of the preceding claims wherein;
For driving the motor of described change speed gear box; And
Electric machine controller, wherein,
After the switch of Windshield Wiper is closed, described electric machine controller makes described motor drive described Windshield Wiper to Windshield Wiper parked position, until the electric conducting state of described first parked signal terminal and described second parked signal terminal changes.
10. system as claimed in claim 9, wherein, the transmission system in described change speed gear box comprises by the shaft drying worm screw of the output of described motor, and described transmission gear is the worm gear coordinating transmission with described worm screw.
11. systems as described in claim 9 or 10, wherein, described system also comprises the only actv. Windshield Wiper maintenance switch when described moved end is positioned at parked position; When it is unlocked, described electric machine controller makes described motor drive described Windshield Wiper to move to maintenance position.
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| CN201410179533.0A CN105083224B (en) | 2014-04-30 | 2014-04-30 | Vehicular wiper gearbox and Vehicular wiper drive system |
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| CN201410179533.0A CN105083224B (en) | 2014-04-30 | 2014-04-30 | Vehicular wiper gearbox and Vehicular wiper drive system |
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| CN105083224A true CN105083224A (en) | 2015-11-25 |
| CN105083224B CN105083224B (en) | 2018-08-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386109A (en) * | 2018-04-18 | 2019-10-29 | 博世汽车部件(长沙)有限公司 | Wiper driver and Wiper assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5996031A (en) * | 1982-11-22 | 1984-06-02 | Toyota Motor Corp | Wiper device for car |
| US5875681A (en) * | 1996-02-29 | 1999-03-02 | Valeo Systemes D'essuyage | Motorized reduction gear unit, in particular for driving a screen wiper in a motor vehicle |
| WO2007000252A1 (en) * | 2005-06-29 | 2007-01-04 | Valeo Systemes D'essuyage | Drive mechanism especially for a window wiping device with an elliptical wiping motion |
| CN101448687A (en) * | 2006-05-24 | 2009-06-03 | 东洋机电株式会社 | Wiper driving apparatus for automobile |
| CN202987075U (en) * | 2013-01-06 | 2013-06-12 | 台州法雷奥温岭汽车零部件有限公司 | Rear wiper transmission device capable of realizing large-angle swing angle |
| CN103707847A (en) * | 2012-09-29 | 2014-04-09 | 北汽福田汽车股份有限公司 | Wiper motor gear assembly, wiper, vehicle, and secondary reset method of wiper |
-
2014
- 2014-04-30 CN CN201410179533.0A patent/CN105083224B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5996031A (en) * | 1982-11-22 | 1984-06-02 | Toyota Motor Corp | Wiper device for car |
| US5875681A (en) * | 1996-02-29 | 1999-03-02 | Valeo Systemes D'essuyage | Motorized reduction gear unit, in particular for driving a screen wiper in a motor vehicle |
| WO2007000252A1 (en) * | 2005-06-29 | 2007-01-04 | Valeo Systemes D'essuyage | Drive mechanism especially for a window wiping device with an elliptical wiping motion |
| CN101448687A (en) * | 2006-05-24 | 2009-06-03 | 东洋机电株式会社 | Wiper driving apparatus for automobile |
| CN103707847A (en) * | 2012-09-29 | 2014-04-09 | 北汽福田汽车股份有限公司 | Wiper motor gear assembly, wiper, vehicle, and secondary reset method of wiper |
| CN202987075U (en) * | 2013-01-06 | 2013-06-12 | 台州法雷奥温岭汽车零部件有限公司 | Rear wiper transmission device capable of realizing large-angle swing angle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386109A (en) * | 2018-04-18 | 2019-10-29 | 博世汽车部件(长沙)有限公司 | Wiper driver and Wiper assembly |
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