CN104276141A - Windscreen wiper system - Google Patents
Windscreen wiper system Download PDFInfo
- Publication number
- CN104276141A CN104276141A CN201310272607.0A CN201310272607A CN104276141A CN 104276141 A CN104276141 A CN 104276141A CN 201310272607 A CN201310272607 A CN 201310272607A CN 104276141 A CN104276141 A CN 104276141A
- Authority
- CN
- China
- Prior art keywords
- pivot
- wiper system
- connecting element
- rocking arm
- wiper
- 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
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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
- B60S1/043—Attachment of the wiper assembly to the vehicle
- B60S1/0433—Attachement of a wiper modular assembly to the vehicle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a windscreen wiper system which comprises a driving assembly, a first windscreen wiper arm assembly, a first fixing piece, a first pivot, a second windscreen wiper arm assembly, a second fixing piece, a second pivot and a transmission assembly. The driving assembly is provided with an output shaft. The first pivot supports the first windscreen wiper arm assembly and can be directly driven by the output shaft to be installed in the first fixing piece in a rotating mode. The second pivot supports the second windscreen wiper arm assembly and can be driven by the first pivot to be installed in the second fixing piece in a rotating mode, the transmission assembly is connected between the first pivot and the second pivot, and the first pivot drives the second pivot to rotate together with the first pivot through the transmission assembly.
Description
Technical field
The present invention relates to the wiper system regions of vehicle.
Background technology
The wiper system of vehicle generally includes the driven unit of motor and retarder, and retarder has the output shaft exporting rotational motion.Motor and retarder are fixed on car body respectively by electric machine casing and reducer shell.
Back and forth swipe the driving side wiper arm assembly of wobbling action and the passenger side side wiper arm assembly in the Windshield both sides that wiper system is usually included in vehicle simultaneously, they support respectively by driving side pintle assembly and the passenger side side pintle assembly.
In the wiper system of prior art, usually, one of them to be connected with the output shaft of driven unit via a link component and to be driven by it to drive side pintle assembly and the passenger side side pintle assembly, and driving side pintle assembly is connected via a four-bar linkage between the two with the passenger side side pintle assembly.
Comprised the pivot supporting corresponding wiper arm assembly by the pintle assembly that above-mentioned link component drives by the output shaft of driven unit, the liner clamp of pivot is installed, one end of above-mentioned link component is connected to the output shaft of described driven unit, and the other end is connected to described pivot.
This wiper system architecture is complicated, takes up room large.
Desirable to provide the simple wiper system of a kind of structure.
Summary of the invention
The object of the invention is the wiper system improving the above-mentioned type, simplify the structure of wiper system, make the minimizing of the number of components of formation wiper system, take up room reduction.
According to a first aspect of the invention, provide a kind of wiper system, comprise driven unit, it has output shaft; First wiper arm assembly; First connecting element; First pivot, it supports described first wiper arm assembly and can be installed in described first connecting element rotationally by described output shaft Direct driver; Second wiper arm assembly; Second connecting element; Second pivot, it supports described second wiper arm assembly and can be driven by described first pivot and be installed in described second connecting element rotationally; And transmission component, it is connected between described first pivot and described second pivot, and described first pivot drives described second pivot to rotate together by described transmission component.
According to an embodiment, described wiper system also comprises the transom be fixedly attached between described first connecting element and described second connecting element.
According to an embodiment, described driven unit comprises retarder, and described retarder comprises reducer shell and described output shaft, and described first pivot and described output shaft are integrally formed or are mechanically connected coaxially.
According to an embodiment, described first connecting element comprises Part I and Part II, described Part I is fixed to described reducer shell by the first fastener, and described Part II is connected to described transom, such as by socket connection to described transom.
According to an embodiment, described second connecting element comprises described second pivot through the tubular body portion wherein and relative to it rotated, from the connecting portion for connecting described transom that described tubular body portion crosses out, described connecting portion is such as connected with described transom by inserting mode.
According to an embodiment, described second connecting element is provided with the weakening structure of the tubular body portion movement together with the second pivot enabling described second connecting element.
According to an embodiment, described transmission component comprises first rocking arm that can not be connected to described first pivot in relative rotation, the second rocking arm of described second pivot can not be connected in relative rotation, and be articulated in the connecting rod between described first rocking arm and the second rocking arm.
According to an embodiment, described first rocking arm arbitrary with in described second rocking arm or the two be connected by ball head connecting piece with described connecting rod.
According to an embodiment, the first rocking arm in described coupling assembling, the second rocking arm or connecting rod are straight or bending, are entities or hollow.
According to an embodiment, described driven unit comprises the electronic motor controlled by the control module of programming.
According to the wiper system of this aspect, it supports the output shaft Direct driver of the first pivot by driven unit of the first pintle assembly of the first wiper arm assembly, centre is not by means of any rod member, make wiper system architecture simple thus, component parts number is few, compact conformation, corresponding take up room little.In addition, this wiper system rigidity is better, and intensity is high, particularly when high vehicle speeds, shakes little.
Accompanying drawing explanation
The above-mentioned of the application and further feature and advantage can be understood better in preferred embodiment below in conjunction with the application of accompanying drawing description, wherein:
Fig. 1 is the assembling view according to wiper system of the present invention;
Fig. 2 is the enlarged drawing that a part for the wiper system of Fig. 1 rotates after an angle.
Detailed description of the invention
Describe according to wiper system of the present invention below with reference to Fig. 1-2.
Wiper system according to the present invention can be provided on dissimilar family expenses or commercial vehicle, for from Windshield supernatant except dust, fallen leaves, road debris, sediment and analogue and for keeping getting a clear view of chaufeur.
As those skilled in that art are known, wiper system 100 according to the present invention comprises the driven unit 20 for providing power; Driven by driven unit and in vehicle windscreen, carry out two wiper arm assembly (not shown) of reciprocal scraping action, being called as the first wiper arm assembly and the second wiper arm assembly respectively; For supporting the first and second pintle assemblies 40 and 60 of the first and second wiper arm assemblies; Be connected to the transmission component 80 between the first and second pintle assemblies; And be such as the transom 90 of tubulose.
The driven unit 20 of wiper system 100 mainly comprises motor 22 and retarder 24.In the present embodiment, motor can be the electronic motor as known in this area, and the rotating speed of described electronic motor, turn to etc. is controlled by the electronic module of programming.And speed reduction gearing is conventional speed reduction gearing known in the art, such as worm-and-wheel gear.Motor 22 and retarder 24 have electric machine casing 26 and reducer shell 28 respectively, and the two mechanically links together.
Described retarder 24 comprises the output shaft for exporting rotational motion, and described output shaft has the extension of stretching out described reducer shell 28.
As above-mentioned, wiper system 100 comprises the first pintle assembly 40 for supporting the first wiper arm assembly and the second pintle assembly 60 for supporting the second wiper arm assembly, first pintle assembly 40 and the second pintle assembly 60 realize interlock by transmission component 80, and two the wiper arm assemblies enabling them support synchronously carry out oscillating traverse motion in vehicle windscreen.
The first connecting element 44 that first pintle assembly 40 comprises the first pivot 42 and is fixed on reducer shell 28.Second pintle assembly 60 comprises the second pivot 62 and is fixed to the first connecting element 64 of car body.Transmission component 80 comprises and is fixed to the first pivot 42 and the first rocking arm 84 being driven by the first pivot 42 and rotate together, is fixed to the second pivot 62 and drives one play the second rocking arm 86 of rotation and be mutually connected rotationally with the first rocking arm 84 and the second rocking arm 86 respectively at contrary two ends, such as pivot joint, connecting rod 88, thus the second rocking arm 86 can be driven by the first rocking arm 84 and swings with its synchronous reciprocating.
According to favorable characteristics of the present invention, the first pintle assembly 40 is directly driven by the output shaft of driven unit 20, and does not pass through intermediate connecting rod as in the state of the art.
Particularly, be different from prior art and be provided with intermediate connecting rod between the output shaft of driven unit and the pivot of the first pintle assembly, the first pivot 42 according to the first pintle assembly 40 of wiper system 100 of the present invention is made up of the extension of the output shaft one with described driven unit 20.The annex this saving intermediate connecting rod and be associated, such as bearing, ball-and-socket type joint etc., simplify the structure of wiper system, decreases the number of components forming wiper system, make more compact structure, correspondingly reduces taking up room of wiper system.
Alternatively, described first pivot 42 can be the part be separated with the output shaft of retarder 24, and they are rotated together with described output shaft by being mechanically connected to output shaft coaxially.
Present description is formed according to the work of wiper system 100 of the present invention.The motor 22 being configured to electronic motor works under the control of programming Control module, makes the output shaft of retarder 24 export the forward and reverse alternate rotation with default rule, the regular two way alternate pivotable of the first pivot 42 of the first pintle assembly 40 thus.Because the first rocking arm 84 is fixedly attached to the first pivot 42, so the output shaft of retarder 24 i.e. the first pivot 42 drives the first rocking arm 84 axis centered by the first pivot 42 to carry out reciprocally swinging.
The hunting motion of the first rocking arm 84 of transmission component 80 is passed to the second rocking arm 86 by connecting rod 88, makes the second rocking arm 86 drive the second pivot 62 of the second pintle assembly 60 to carry out reciprocally swinging together.So, realize synchronous reciprocating between the first pivot 42 and the second pivot 62 and swing, correspondingly, the first and second wiper arm assemblies supported by the first pivot 42 and the second pivot 62 respectively synchronously reciprocally swinging in vehicle windscreen.
As those skilled in that art are known, the transom 90 of wiper system 100 is connected between the first pintle assembly 40 and the second pintle assembly 60.In a preferred embodiment of the invention, transom 90 is connected between the first connecting element 44 of the first pintle assembly 40 and the second connecting element 64 of the second pintle assembly 60 for fixing position therebetween.
Another advantageous feature of the present invention, the first connecting element 44 of the first pintle assembly 40 is fixed to reducer shell 28 by the first fastener, is fixed to car body by the second fastener.
Particularly, in the present invention shown in Fig. 1 and 2, first connecting element 44 is provided as plate, is preferably made up of metallic material, and comprises for being fixed to car body and being fixed to the Part I 442 of reducer shell 28 and the Part II 444 for being connected with the first end 94 of transom 90.
Part I 442 is formed the first axis hole for the first pivot 42, for the first fastener hole of the first fastener, and for the second fastener hole 448 of the second fastener.
First connecting element 44 is sleeved on the first pivot 42, between described first rocking arm 84 and reducer shell 28 via described first axis hole.First connecting element 44 is fixed to reducer shell 28 by means of the first fastener 446 through the first fastener hole, is fixed to car body by means of the second fastener (not shown) through the second fastener hole 448.
Described first fastener and the second fastener can be screw or other fasteners known by those skilled in that art.In fig 1 and 2, show the first fastener 446 that three are configured to screw, also show two mounting holes 448 for the second fastener.
Alternatively, first connecting element 44 according to the present invention also comprises the hollow Part III 445 of one, it deviates from described reducer shell 28 from Part I 442 and extends and surround described first pivot 42 in the circumferential, and described Part III 445 has the function preventing environmental contaminants from entering inside.
Preferably; fender guard can be set in the Part III 445 of the first connecting element 44; when the control of the motor 22 of driven unit 20 is broken down or lost efficacy, prevent first wiper arm assembly of the first pivot and therefore its support from rotating and exceed default angle, such as, prevent whole circle from rotating.Such as, described default angle can be 90 degree or 120 degree.
First connecting element 44 is connected with the first end 94 of transom 90 by its Part II 444, and this connection is realized by grafting usually.Such as shown in the figure, connecting portion 444 has been formed endoporus, and the first end 94 of described transom 90 is inserted in described endoporus.Preferably, described endoporus and the first end of described transom 90 are provided with the snap-in structure together with the two can being fastened to, or can be connected together by fastener.Certainly, other fastening means that those skilled in that art can imagine also is applicable to this and connects.
The other end 96 of transom 90 is connected to the second connecting element 64 of the second pintle assembly 60.Second connecting element 64 is preferably the integral piece of plastic shaping, comprises tubular body portion 642, the connecting portion 644 crossed out from tubular body portion 642 and the installation portion 646 for being fixed to car body.
Tubular body portion 642 is formed with permission second pivot 62 through second axis hole that wherein also can rotate within it.The centre portion of pivot 62 is accepted in described second axis hole, and the second axis hole is stretched out to support the second wiper arm assembly in the upper end away from car body, and second rocking arm 86 that is used near the lower end of car body being permanently connected therewith rotates to be driven by the second rocking arm 86.
Connection between the connecting portion 644 of the second connecting element 64 and transom 90 second end 96 is also grafting usually, as shown in Figure 1.Wherein, connecting portion 644 is configured to be suitable in the second end 96 of insertion transom 90.
The installation portion 646 of the second connecting element 64 comprises the 3rd mounting hole 648 for wiper system 100 being fixed to car body, as shown in Figure 1.
In a more preferred embodiment; the installation portion 646 of described second connecting element 64 can comprise weakening structure; when being greater than preset value for the relative shaft orientation force between the second pivot 62 and the second connecting element 64; deform at the weakening structure place of installation portion 646 or rupture; thus the tubular body portion 642 of described second connecting element 64 can move towards car body with the second pivot 62, plays the effect of pedestrian protecting.
In optional embodiment of the present invention, the second pintle assembly 60 also comprises protection component.In normal work; described component prevents the second pivot 62 from moving axially relative to the tubular body portion 642 of the second connecting element 64; and when pedestrian strikes the wiper system 100 of vehicle; relative shaft orientation force between the second pivot 62 and the second connecting element 64 is greater than preset value; described protection component generation damage inactivation; to allow described second pivot 62 to move towards car body relative to tubular body portion 642, reach the object of pedestrian protecting equally.Such as, described protection component is set in the sheet metal nut on the second pivot 62.
Three connecting rods 84,86 and 88 according to transmission component 80 of the present invention can be any type of rod members, and can be straight or bending, can be entity or hollow.Such as, as shown in the figure, connecting rod 84 and 86 is conventional plate, and connecting rod 84 and 86 is connected to respective pivot 42 and 62 at first end respectively, and the second end of connecting rod 84 and 86 respectively connected the opposite end of connecting rod 88.
As shown in the figure, connecting rod 88 comprises narrower thicker interlude and is positioned at the wider thinner end segments at two ends, and is set to comprise cavity, to alleviate the weight of connecting rod, saves material.
Preferably, the connection between adjacent links can be realized by ball head connecting piece, the first rocking arm 84 such as shown as Fig. 1 and connecting rod 88.Alternatively, the connection between adjacent links can be realized by pin member, the second rocking arm 86 such as shown as Fig. 1 and connecting rod 88.
Connection between connecting rod and respective pivot can be realized by any suitable structure.Such as, the cooperation between connecting rod and respective pivot adopts the cross section with non-circular transverse cross-section, such as rectangle, polygon etc.Also feasible, the cooperation interface of connecting rod and respective pivot is provided with the convex and concave feature cooperatively interacted.
According to the wiper system of this aspect, support the output shaft Direct driver of the first pivot by driven unit of the first pintle assembly of the first wiper arm assembly, first pivot of the first pintle assembly drives the second pivot of the second pintle assembly of support second wiper arm assembly by transmission component, make the first and second wiper arm assemblies synchronously can carry out reciprocally swinging scrubbing motion in vehicle windscreen.The structure of this wiper system is simple, and component parts number is few, compact conformation, corresponding take up room little.In addition, this wiper system rigidity is better, and intensity is high, particularly when high vehicle speeds, shakes little.
Be described about the preferred embodiments of the present invention above, but the embodiment that the present invention describes above being not intended to be limited to and accompanying drawing is illustrated.The feature described about an embodiment is equally applicable to other embodiments of the invention, and the feature of different embodiment can be combined with each other and form new embodiment.When not departing from the essence and scope that are limited by claim below, those skilled in the art can carry out various amendment and variation to above-described embodiment.
Claims (10)
1. a wiper system, comprising:
Driven unit, it has output shaft;
First wiper arm assembly;
First connecting element;
First pivot, it supports described first wiper arm assembly and can be installed in described first connecting element rotationally by described output shaft Direct driver;
Second wiper arm assembly;
Second connecting element;
Second pivot, it supports described second wiper arm assembly and can be driven by described first pivot and be installed in described second connecting element rotationally; And
Transmission component, it is connected between described first pivot and described second pivot, and described first pivot drives described second pivot to rotate together by described transmission component.
2. wiper system according to claim 1, also comprises the transom be fixedly attached between described first connecting element and described second connecting element.
3. wiper system according to claim 1 and 2, wherein, described driven unit comprises retarder, and described retarder comprises reducer shell and described output shaft, and described first pivot and described output shaft are integrally formed or are mechanically connected coaxially.
4. the wiper system according to Claims 2 or 3, wherein, described first connecting element comprises Part I and Part II, described Part I is fixed to described reducer shell by the first fastener, described Part II is connected to described transom, such as by socket connection to described transom.
5. according to described wiper system arbitrary in claim 2 to 4, wherein, described second connecting element comprises described second pivot through the tubular body portion wherein and relative to it rotated, from the connecting portion for connecting described transom that described tubular body portion crosses out, described connecting portion is such as connected with described transom by inserting mode.
6. wiper system according to claim 5, wherein, described second connecting element is provided with the weakening structure of the tubular body portion movement together with the second pivot enabling described second connecting element.
7. according to described wiper system arbitrary in claim 1 to 6, wherein, described transmission component comprises first rocking arm that can not be connected to described first pivot in relative rotation, the second rocking arm of described second pivot can not be connected in relative rotation, and be articulated in the connecting rod between described first rocking arm and the second rocking arm.
8. wiper system according to claim 7, wherein, described first rocking arm arbitrary with in described second rocking arm or the two be connected by ball head connecting piece with described connecting rod.
9. the wiper system according to claim 7 or 8, wherein, the first rocking arm in described coupling assembling, the second rocking arm or connecting rod are straight or bending, are entities or hollow.
10. according to described wiper system arbitrary in claim 1-9, wherein, described driven unit comprises the electronic motor controlled by the control module of programming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310272607.0A CN104276141A (en) | 2013-07-02 | 2013-07-02 | Windscreen wiper system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310272607.0A CN104276141A (en) | 2013-07-02 | 2013-07-02 | Windscreen wiper system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104276141A true CN104276141A (en) | 2015-01-14 |
Family
ID=52251629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310272607.0A Pending CN104276141A (en) | 2013-07-02 | 2013-07-02 | Windscreen wiper system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104276141A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099385A1 (en) * | 2016-12-02 | 2018-06-07 | Taizhou Valeo Wenling Automotive Systems Co., Ltd. | A wiper system for a vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008189158A (en) * | 2007-02-05 | 2008-08-21 | Asmo Co Ltd | Wiper device and wiper system |
| CN201304965Y (en) * | 2008-11-11 | 2009-09-09 | 广东东兴客车配件有限公司 | Electronic control wiper |
| CN101875342A (en) * | 2009-04-30 | 2010-11-03 | 浙江关西电机有限公司 | Electric windshield wiper of automobile and control method thereof |
-
2013
- 2013-07-02 CN CN201310272607.0A patent/CN104276141A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008189158A (en) * | 2007-02-05 | 2008-08-21 | Asmo Co Ltd | Wiper device and wiper system |
| CN201304965Y (en) * | 2008-11-11 | 2009-09-09 | 广东东兴客车配件有限公司 | Electronic control wiper |
| CN101875342A (en) * | 2009-04-30 | 2010-11-03 | 浙江关西电机有限公司 | Electric windshield wiper of automobile and control method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099385A1 (en) * | 2016-12-02 | 2018-06-07 | Taizhou Valeo Wenling Automotive Systems Co., Ltd. | A wiper system for a vehicle |
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Application publication date: 20150114 |
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