CN105365777A

CN105365777A - Windscreen wiper device

Info

Publication number: CN105365777A
Application number: CN201510488264.0A
Authority: CN
Inventors: M.魏勒; V.哈克尔; P.迪克
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2014-08-11
Filing date: 2015-08-11
Publication date: 2016-03-02
Anticipated expiration: 2035-08-11
Also published as: CN105365777B; FR3024693B1; FR3024693A1; DE102014215831A1

Abstract

The present disclosure relates to a windscreen wiper device for a vehicle, in particular a motor vehicle, comprising a wiper blade having an elongate upper part which is designed at least partially bendable, an elongated base is configured at least partially bendable, multiple connecting elements for connecting the upper part and the lower part, wherein the connecting elements along a longitudinal extension of the wiper blade are spaced apart, and wherein the connecting elements are designed to prevent movement of the upper part and of the lower part relative to one another with a movement component along the longitudinal extension to allow the wiper blade, and a flexible member, which is adapted ; a force substantially perpendicular to the longitudinal extension of the wiper blade to provide, wherein the force of at least part of a contact pressure of the wiper blade on a disk of the vehicle provides, wherein said wiper blade in its longitudinal extension a first portion and a to the first portion adjoining the second portion, wherein the first portion substantially from a rotational axis of the wiper device extends, and wherein the flexible member is arranged in the first section.

Description

Windshield wiper

Technical field

Disclosure file relates to a kind of windshield wiper for vehicle, especially self-propelled vehicle.

Background technology

Windshield wiper typically has wiper or wiper arm, and wherein swept area of wiper blade moves on the wind glass of self-propelled vehicle, wherein on described swept area of wiper blade, secures water wiping lip.Described wiper is alternately moved between the first steering position and the second steering position.For this purpose, described wiper is connected with wiper motor by transmission shaft.Especially on the Windshield with violent Curvature varying, described in there is water wiping lip swept area of wiper blade easily lose contact between described wind glass.Thus especially for aggressive bend wind glass may occur not by the scraping region that scrapes or occur that striped forms phenomenon.

In addition, uniform and enough thrusts (supporting power) should be applied on the wind glass of described vehicle by described swept area of wiper blade over its length, for can realize scraping water effect preferably and for reducing or avoid striped formed phenomenon.But, the thrust be applied on wind glass especially may change in the length of described swept area of wiper blade, such as change due to the fluctuation of the structure (such as spring, underarm, fin ray (Fin-Ray) Windshield Wiper) of higher level, scrape water deleterious thus and may occur that striped forms phenomenon.

When improving windshield wiper, there is the multiple boundary condition that should take in.Belong to these boundary conditions: expense during manufacture or manufacturing cost, material cost but also have the performance of windshield wiper, the function especially under diversified condition and the persistence under a large amount of conditions.For the wiper device for vehicle, should consider at this, cost pressure continues to rise and vehicle may use under a large amount of climatic conditions, thus such as occurs extreme temperature value enduringly and/or with larger fluctuation.

Summary of the invention

Task of the present invention is, provides a kind of windshield wiper, utilize this windshield wiper at least reduce above in the shortcoming mentioned one or multinomial shortcoming or they substantially there will not be.

This task is resolved by the theme of independent claims.

According to the embodiment of disclosure file, illustrate a kind of for vehicle, especially self-propelled vehicle, the windshield wiper that comprises swept area of wiper blade.Described swept area of wiper blade comprises that at least can partly form deviously, that lengthwise extends upper-part; That at least can partly form deviously, that lengthwise extends lower component; Multiple Connection Element for described upper-part and described lower component are coupled together, wherein said Connection Element is spaced along the longitudinal extension part of described swept area of wiper blade, and wherein said Connection Element is designed to: described upper-part and described lower component can be made relative to each other to move with the component motion of the longitudinal extension part along described swept area of wiper blade; And pliable and tough element, this pliable and tough element is set up for providing a kind of power being substantially perpendicular to the longitudinal extension part of described swept area of wiper blade, a part for thrust on wind glass that wherein said power at least provides described swept area of wiper blade, that act on described vehicle, wherein said swept area of wiper blade has the first section along its longitudinal extension part and is connected to the second section on described first section, wherein said first section extends substantially from the S. A. of described windshield wiper, and wherein said pliable and tough arrangements of elements is in described first section.According to embodiment, described first section is corresponding to the inner circle of described windshield wiper or inner circle region.

The described windshield wiper with additional pliable and tough element is reacted to the tolerance variation with power changes in distribution (power adjustment).This especially carries out in described inner circle region.Inner circle sensivity can be reduced thus.Described windshield wiper can balance the fluctuation of the thrust especially in the inner circle region of described swept area of wiper blade or compensate.Improve thus and scrape water effect and prevent striped from forming phenomenon.

Preferred, the optional embodiment of disclosure file and special aspect obtain by dependent claims, accompanying drawing and this specification sheets.

Advantage of the present invention:

Uniform and enough thrusts (supporting power) should be applied on the wind glass of described vehicle by described swept area of wiper blade in its length range, for can realize good scrape water effect and for reducing or avoid striped to form phenomenon.But, the thrust be applied on described wind glass especially may change in the scope of the length of described swept area of wiper blade, such as change due to the fluctuation of the structure (such as spring, underarm, fin ray Windshield Wiper) of higher level, scrape water deleterious thus and may occur that striped forms phenomenon.This effect especially can occur in the inner circle region of described swept area of wiper blade, thus can occur in described inner circle region that scraping water effect, the variation situation that can aware and striped forms phenomenon.Embodiment as described herein to the thrust especially in the inner circle region of swept area of wiper blade, such fluctuation balances or compensates.Especially according to the windshield wiper of embodiment as described herein, there is relative to the fluctuation of described thrust the inner circle sensivity reduced.

According to embodiment as described herein, the swept area of wiper blade of windshield wiper, the swept area of wiper blade in particular for the fin ray windshield wiper of glass for vehicle window can be used in mode cheap especially and/or for multiple different use field manufactures.According to embodiment described in this respect windshield wiper, uniform and enough thrusts can be applied on wind glass by current embodiment, and can to especially in the inner circle region of described swept area of wiper blade, the fluctuation of the local of thrust balances.Which ensure that for the particularly preferred of described wind glass and scrape water accurately.That can avoid described wind glass to a great extent is not formed phenomenon by the striped on the region that scrapes and described wind glass.

For the windshield wiper according to embodiment as described herein, described first section extends substantially from the S. A. of described windshield wiper.Especially described first section can directly extend from described S. A., or it can extend from one with described S. A. at a distance of the point of limited spacing.

According to the embodiment of disclosure file, the first radius that described first section extends to about the S. A. of described windshield wiper, wherein said second section extends to the second radius (such as described first radius is a numerical value little, more limited than the numerical value of described second radius) about the S. A. of described windshield wiper from the first radius, and wherein said first radius is less than described second radius.Such as described second radius is at least the twice of described first radius, and especially its three times, four times or five times.Thus, inner circle that is that described first section can be shown or be defined as described swept area of wiper blade or described windshield wiper, wherein said pliable and tough element is in described first section.

According to the embodiment that some can be combined with other embodiment as described herein, described pliable and tough element is the pliable and tough element of U-shaped substantially, and described upper-part and described lower component are joined to one another by this element.Such as described pliable and tough element can be designed to couple together with the retaining element on vehicle.Especially the retaining element on described vehicle can be provided for the S. A. of described windshield wiper.That can be the structure of described windshield wiper such as fin ray Windshield Wiper, the integrated component part of described pliable and tough element thus.Described pliable and tough element can easily, inexpensively and be achieved with saving locational space thus.

In some embodiments, the pliable and tough element of described U-shaped has the first support arm and the second support arm, wherein said first support arm is connected with described upper-part and described second support arm is connected with described lower component, and wherein said second support arm has space, this space is set up for the retaining element of described vehicle can be allowed to pass, and is particularly useful for allowing the retaining element of described vehicle contactlessly pass.Especially the retaining element on described vehicle can provide the described S. A. for windshield wiper.Such as described first support arm can have the retaining element of wiper-blade-side, and this retaining element is set up for being connected with the retaining element of described vehicle.The retaining element of described vehicle is connected with described upper-part thus, and it is not tangent with described lower component.Described first support arm can relative to described second support arm motion thus, moves in the direction that is along the wind glass being substantially perpendicular to described vehicle.In other words, described first support arm and described second support arm form a spring element, and this spring element provides described thrust at least partially.

According to some other, embodiment that can be combined with other embodiment as described herein, described pliable and tough arrangements of elements described lower component, towards on the side of window glass for vehicle.Described pliable and tough element can be arranged between described wind glass and described lower component thus.Especially described pliable and tough element can be arranged in described lower component and be fixed between the swept area of wiper blade in described lower component.

Such as described pliable and tough element can by being in recess in described lower component or perforation is formed.Especially described pliable and tough element can comprise lip part (Lippe), and this lip part is consisted of the perforation being in recess in described lower component, U-shaped substantially or U-shaped substantially in some embodiments.That can be the structure of described windshield wiper, especially described lower component, the integrated component part of described pliable and tough element thus.Thus described pliable and tough element can easily, inexpensively and save locational space ground accomplished.

In some embodiments, described pliable and tough element can be mounted on downside or be fixed on described lower component, towards on the side of window glass for vehicle.Described pliable and tough element, such as described lip part can be independent element thus.

Accompanying drawing explanation

The embodiment of disclosure file is shown in the drawings, and is described in detail below.Accompanying drawing illustrates:

Fig. 1 is the schematic diagram of wind glass together with windshield wiper, and this schematic diagram is used for making an explanation to inner circle region;

Fig. 2 A-C be according to disclosure file embodiment, the schematic diagram of windshield wiper;

Fig. 3 be according to disclosure file other embodiment, the schematic diagram of windshield wiper;

Fig. 4 A be according to disclosure file embodiment, the windshield wiper with swept area of wiper blade, the schematic diagram be in initial position;

Fig. 4 B be according to disclosure file embodiment, by Fig. 4 A windshield wiper, the schematic diagram be in the position that abuts on wind glass;

Fig. 5 A according to open file, be configured to the wiper with integrated swept area of wiper blade form, windshield wiper in initial position, the schematic diagram of another kind of embodiment; And

Fig. 5 B by Fig. 5 A, have integrated swept area of wiper blade wiper, the schematic diagram be in the position that abuts on wind glass.

If do not make other note below, then for identical and the element playing phase same-action uses identical Reference numeral.

Detailed description of the invention

Fig. 1 shows the schematic diagram of a kind of wind glass 4 together with windshield wiper 100, and this schematic diagram is used for making an explanation to inner circle region 112.

According to the embodiment of disclosure file, described swept area of wiper blade 2 comprises that at least can partly form deviously, that lengthwise extends upper-part 10, that at least can partly form deviously, that lengthwise extends lower component 12, multiple Connection Element 18 for described upper-part 10 is coupled together with described lower component 12, wherein said Connection Element 18 is spaced along the longitudinal extension part of described swept area of wiper blade 2, and wherein said Connection Element 18 is designed to: described upper-part 10 and described lower component 12 can be made relative to each other to move with the component motion of the longitudinal extension part along described swept area of wiper blade 2, and pliable and tough element (not shown), this pliable and tough element is set up for providing a kind of power being substantially perpendicular to the longitudinal extension part of described swept area of wiper blade 2, wherein said power at least provides described swept area of wiper blade 2, act on a part for the thrust of the wind glass 4 of described vehicle, wherein said swept area of wiper blade 2 has the first section 110 along its longitudinal extension part and is connected to the second section 120 on described first section 110, wherein said first section 110 extends substantially from the S. A. 130 of described windshield wiper 100, and wherein said pliable and tough arrangements of elements is in described first section 110.

Described windshield wiper 100 is arranged on the wind glass 4 of vehicle, is such as arranged on back window glass.Described windshield wiper 100 and especially described swept area of wiper blade 2 are designed to scrape water to a region of described wind glass 4.This region of described wind glass 4 also can be called as " scraping aqua region ".Described aqua region of scraping has described inner circle region 112 and a cylindrical region 122.According to embodiment, described in described swept area of wiper blade 2 has, be designed to the first section 110 described inner circle region 112 being scraped to water, and described in having in addition, be designed to the second section 120 described cylindrical region 122 being scraped to water.Especially described first section 110 is corresponding to the inner circle of described windshield wiper 100 or inner circle region 112.

In described first section 110, that is in the inner circle region of described swept area of wiper blade 2, arrange described pliable and tough element.The described windshield wiper 100 with additional pliable and tough element is reacted to the tolerance variation with power changes in distribution (power adjustment).This especially carries out in described inner circle region 112.Inner circle sensivity can be reduced thus.Described windshield wiper 100 can to especially in the inner circle region 112 of described swept area of wiper blade 2, the fluctuation of thrust balances or compensates.Can improve thus and scrape water effect and prevent striped from forming phenomenon.

According to the embodiment of disclosure file, described first section 110 extends to the first radius about the S. A. 130 of described windshield wiper 100, wherein said second section 120 extends to the second radius about the S. A. 130 of described windshield wiper 100 from described first radius, and wherein said first radius is less than described second radius.Such as described second radius is at least the twice of described first radius, and three times of especially described first radius, four times or five times.Thus described first section 110 can determine and define described swept area of wiper blade 2 or the inner circle of windshield wiper 100 or inner circle region, wherein said pliable and tough element is in described first section 110.

Fig. 2 A-C show according to disclosure file embodiment, the schematic diagram of windshield wiper 200.

According to the embodiment that some can be combined with other embodiment described here, described pliable and tough element 210 is pliable and tough elements of U-shaped substantially, and described upper-part 10 is joined to one another with described lower component 12 by this pliable and tough element.Described pliable and tough element 210 can be the structure of described windshield wiper 200, such as described fin ray Windshield Wiper (Fin-RayWischer), integrated component part thus.Described pliable and tough element 210 can easily, inexpensively and realize with saving locational space thus.

In some embodiments, the pliable and tough element 210 of described U-shaped has the first support arm 212 and the second support arm 214, wherein said first support arm 212 is connected with described upper-part 10 and described second support arm 214 is connected with described lower component 12, and wherein said second support arm 214 has space 216, this space is set up for the retaining element 31 of described vehicle can be allowed to pass, and the retaining element 31 of described vehicle especially can be allowed contactlessly to pass.Such as described first support arm 212 can have the retaining element 218 of wiper-blade-side, and this retaining element is set up for being connected with the retaining element 31 of described vehicle.The retaining element 31 of described vehicle is connected with described upper-part 10 thus, and it is not tangent with described lower component 12.Thus, as schematically shown in fig. 2 c, described first support arm 212 can move relative to described second support arm 214, moves in the direction 219 that is along the wind glass being substantially perpendicular to described vehicle.In other words, described first support arm 212 and described second support arm 214 form a spring element, and this spring element at least provides a part for described thrust.

Fig. 3 show according to disclosure file other embodiment, the schematic diagram of windshield wiper 300.

According to some other, embodiment that can be combined with other embodiment described here, described pliable and tough arrangements of elements described lower component 12, towards on the side of the wind glass of vehicle.That is, described pliable and tough element can be arranged between described wind glass and described lower component 12.Especially described pliable and tough element can be arranged in described lower component 12 and be fixed between the swept area of wiper blade (not shown) in described lower component 12.

Such as described pliable and tough element can by being in recess in described lower component 12 or perforation is formed.Such as described pliable and tough element can comprise lip part 310, and this lip part is formed by being in recess 312 in described lower component 12, U-shaped substantially in some embodiments.That can be the structure of described windshield wiper 300, especially described lower component 12, the integrated component part of described pliable and tough element thus.Thus described pliable and tough element can easily, inexpensively and save locational space ground accomplished.

In other embodiments, described pliable and tough element can be independent element, and this element can be arranged or be arranged in described lower component 12, and especially can arrange or be arranged on the downside of described lower component 12.

In embodiments, described pliable and tough element can so be formed, thus makes described lower component when not having height tolerance along the longitudinal extension part of described swept area of wiper blade or seamlessly change described pliable and tough element gradually into.Water wiping lip, namely continuous print water wiping lip can be provided thus on described lower component and described pliable and tough element.Edge between the downside that the downside being in described lower component and described pliable and tough element be shown in cross-sectional plane in figure 3.This only represents schematic sketch, and the aspect ratio at described edge is as being less than 0.5mm, or is such as essentially 0mm.

Below a kind of exemplary windshield wiper is described, for the swept area of wiper blade that can be used in this windshield wiper described by this respect.But swept area of wiper blade described in this respect in principle also may be used for other windshield wiper.

Fig. 4 A and 4B show the embodiment of the windshield wiper according to disclosure file, swept area of wiper blade 2, be in (Fig. 4 A) in initial position and be in the position that is resisted against on described wind glass 4 in the schematic diagram of (Fig. 4 B).Described swept area of wiper blade 2 is for scraping water to the wind glass 4 of vehicle, and described vehicle is such as self-propelled vehicle, especially car.In general, described swept area of wiper blade 2 is installed in wiper, and described wiper drives by means of motor to carry out scraping water.For this reason, described swept area of wiper blade 2 has support 6, and on this support, described swept area of wiper blade can be fixed in described glass wiper.Described swept area of wiper blade 2 is in initial position in Figure 4 A, and in described initial position, it is mentioned by from described wind glass 4 at least in part.Described swept area of wiper blade 2 has described longitudinal extension part 8, and has the upper-part 10 of described lengthwise extension and the lower component 12 of described same lengthwise extension.The longitudinal extension part of described upper-part 10 and lower component 12 is equivalent to the longitudinal extension part 8 of described swept area of wiper blade 2 substantially.

Not only described upper-part 10 but also described lower component 12 are all the crossbeams that can bend, or can be configured to the crossbeam that can bend, and described crossbeam is exemplarily correspondingly configured to the structure of single component in figures 4 a and 4b.This can realize a kind of special stable structure.Only correspondingly a part for described upper-part 10 and/or lower component 12 can be configured to the structure that can bend equally.In addition, as an alternative, described upper-part 10 can be configured to the structure of two component, wherein then described pair of component upper-part 10, an end of two components is separately fixed on described support 6.

According to the embodiment that some can be combined with other embodiment as described herein, for described upper-part 10 and/or described lower component 12 use a kind of material, this material has and is in 0.005kN/mm ²with 0.5kN/mm ²between, especially 0.01kN/mm ²with 0.1kN/mm ²between scope in modulus of elasticity.This can realize the suitable crooking ability of described upper-part 10 and lower component 12.Thus with described upper-part 10 and lower component 12, produce desirable bending stiffness together with the cross-sectional plane that forms suitably.Described upper-part 10 and described lower component 12 are so arranged, make it mutually opposing.Two ends of described upper-part 10 on the connection location 14 and 16 of outside respectively with an end winding support of described lower component 12 be connected.In other side, described upper-part 10 and described lower component 12 spaced.

Described upper-part 10 and described lower component 12 are connected to each other by described Connection Element 18.Especially, in the initial position of described swept area of wiper blade 2, longitudinal extension part 8 ground that described Connection Element 18 is substantially transverse to described swept area of wiper blade 2 stretches.Described Connection Element 18 by means of rotary joint 20 be fixed on described upper-part 10 and lower component 12, toward each other, in inner longitudinal side.Described rotary joint 20 is here hinge.Especially described rotary joint 20 can be configured to film hinge (Filmscharnier).This point is especially favourable, if upper-part 10, lower component 12 and/or Connection Element 18 are made up of plastic material, or cover by suitable plastic material.

According to typical, as described herein, can be combined with other embodiment described here embodiment, rotary joint is selected from following group, and this group comprises: hinge; Film hinge; For producing the tapered portion of the material of less rigidity along torsion axis; There is the joint of S. A.; For described upper-part 10 and described Connection Element 18 are coupled together or be used for described lower component 12 to couple together with described Connection Element 18, allow described lower component 12 relative to the device etc. of described upper-part 10 along the movement of described longitudinal extension part 8.

Described joint is provided by film hinge in some embodiments, and these embodiments provide one very simple methods thus, for being provided for the joint of fin ray Windshield Wiper.According to typical embodiment, described film hinge has higher extensibility.This such as can be provided from organizing material selected PP, PE, POM and PA by a kind of.As an alternative, the material that described film hinge can come from by one or more group comprising following material is made: TPE(thermoplastic elastomer), such as TPE-S, TPE-O, TPE-U, TPE-A, TPE-V and TPE-E.

Described Connection Element 18 is spaced along the longitudinal extension part of described swept area of wiper blade 2.Spacing between corresponding two adjacent Connection Elements 18 is equal.But also can differently select described spacing.Described spacing is advantageously less than 50mm, is especially less than 30mm.Described windshield wiper, especially its underpart part 12, extra high alerting ability can be ensured thus, and ensure to match with the curvature and Curvature varying that have the wind glass 4 of water to be doctored preferably.In Figure 4 A typically for the spacing between corresponding two Connection Elements 18 shows a kind of spacing 22.Described Connection Element 18 is especially so fixed in described lower component 12 in the initial position of described swept area of wiper blade 2, its longitudinal axis is stretched with angle 26 relative to described lower component 12, described angle is between 65 ° and 115 °, is especially between 75 ° and 105 °.Described angle is particularly advantageously between 80 ° and 100 °.This advantageously ensures the power acted in described lower component 12 to be delivered on described upper-part 10 particularly well.In addition, a kind of windshield wiper stable especially can be realized in this way.Corresponding situation be applicable to described Connection Element 18, fixing on described upper-part 10.

In Figure 4 A exemplarily for the longitudinal axis of described Connection Element 18 shows a longitudinal axis 24, and exemplarily for the angle between described Connection Element 18 and described lower component 12 shows a kind of angle 26.First spacing between described upper-part 10 and described lower component 12 is determined by the length of described Connection Element 18.The length of described Connection Element 18 is roughly increased to following position from described two outside connection locations 14,16 always: be installed to the support 6 on upper-part 10 described in starting in described position.Upper-part 10 and lower component 12 form a dual-wedge in the lateral plan of the swept area of wiper blade 2 according to Fig. 4 thus, and the tip of wherein said two voussoirs refers in the opposite direction.Described Connection Element 18 is configured to the structure of not easily flexing.

Fig. 4 B show according to Fig. 4 A swept area of wiper blade 2, the schematic diagram be in the position that abuts on described wind glass 4.Because described wind glass 4 has certain curvature, so there is contact to be applied in described lower component 12 when making described swept area of wiper blade 2 be resisted against on described wind glass 4.Because described upper-part 10 and described lower component 12 are the crossbeam that can bend and described Connection Element 18 is rotatably supported in described upper-part 10 and lower component 12, so described upper-part 10 and described lower component 12 can relative to each other move.By the described pressure be applied to from below in described lower component 12, described swept area of wiper blade 2 is bending towards following direction: described pressure comes from this direction, and abuts to exactly on the curved surface of described wind glass 4.

By the structure of embodiment as described herein, when occurring that (by described wind glass 4) acts on the effect of the power of described lower component 12, described lower component 12 bends towards following direction, and described power works from this direction.This by described upper-part 10 and lower component 12, the connection on connection location 14 and/or 16, described shape and by producing the rotary joint being in the junction between Connection Element 18 and described upper-part or lower component.

In the diagram according to Fig. 4 B, less spacing is there is between described swept area of wiper blade 2 and described wind glass 4, this spacing is here only for illustration of described wind glass 4 and described swept area of wiper blade 2, and this spacing is non-existent when described swept area of wiper blade 2 abuts on described wind glass 4 actually to a great extent.In addition, typically described lower component 12, there is a water wiping lip downside of upper-part 10 dorsad, this water wiping lip is placed on described wind glass 4 to carry out scraping water.For simple and clear reason, in figures 4 a and 4b described water wiping lip is not shown.

The effect of the tail fin of specific fish is utilized according to the windshield wiper of embodiment as described herein, described tail fin when there is the pressure of side direction be not along pressure direction skew, but in the opposite direction, namely towards following direction bow: described pressure comes from this direction.This principle is also referred to as fin jet (Flossenstrahl) principle or " fin ray " principle.Thus, have according to the windshield wiper of embodiment described in this respect the advantage matched with the wind glass of self-propelled vehicle better.For traditional wind glass swept area of wiper blade, in general its upper-part is firm, and that is it is configured to unyielding structure.

Have the swept area of wiper blade 2 of longitudinal extension part 8 described in Fig. 4 A and 4B shows, described longitudinal extension part extends substantially between described connection location 14 and 16.Such device is through being usually used in front windshield Windshield Wiper.But, as an alternative, windshield wiper also only can have a connection location, this and Fig. 4 A and 4B are analogously equivalent to the half of described windshield wiper, and be wherein such as provided with S. A. on a position of described support 6, such arrangement structure is through being usually used in rear window wiper.This point is exemplarily especially shown in Fig. 5 A and 5B.As explained in various embodiments, optional design plan and details typically may be used for two kinds of flexible programs of the arrangement structure of windshield wiper.

Fig. 5 A show according to open file windshield wiper, another kind of embodiment, schematic diagram in initial position.Described windshield wiper is here the wiper with integrated swept area of wiper blade 2, and described swept area of wiper blade is positioned on connecting element 30.Described connecting element 30 can be such as or comprise the connecting element 218 of embodiment of Fig. 2 A-C.Described connecting element 30 is connected with wiper motor 32, and described wiper motor drives described connecting element 30, for scraping water to described wind glass 4.Described swept area of wiper blade 2 is configured to wedge shape, and an end of wherein said upper-part 10 is connected at connection location 34 place of outside and an end winding support of described lower component 12.Described upper-part 10 and/or lower component 12, another end corresponding is fixed on described connecting element 30.About described basic structure and fixing especially for described Connection Element 18, be equivalent to the windshield wiper according to Fig. 4 A in principle according to the windshield wiper of Fig. 5 A.

Fig. 5 B show according to Fig. 5 A have integrated wiper, swept area of wiper blade 2, abutting to the schematic diagram in the position on wind glass 4.Here pressure is also be applied to the lower component 12 of described swept area of wiper blade 2 from the direction of described wind glass 4 from below, and described lower component 12 and described upper-part 10 are bent towards the direction of described wind glass 4.

Not only all thus illustrate described swept area of wiper blade 2 in Figure 4 A but also in fig. 5 and be in situation in its position not abutting on described wind glass 4, described lower component 12 is formed substantially as the crow flies.According to other, can be combined with other embodiment embodiment, described lower component 12 is configured to the structure protruded in the state not being subject to load, that is be provided with a kind of arch configuration, this arch configuration stretches out from described upper-part 10 in the middle region.According to embodiment as described herein windshield wiper can typically when contacting with wind glass 4 from the shape of the protrusion of described lower component 12, then present described lower component 12, corresponding shape that protrude, that match with wind glass 4.

Alternatively preferred embodiment, described multiple Connection Element 18 can be connected with described upper-part 10 on the connection location above multiple, and be connected with described lower component 12 on multiple below, corresponding connection location, wherein when described upper-part 10 and described lower component 12 relative to each other move, connection location above one corresponding with one, spacing between the connection location of below is constant substantially, especially keeps constant with the deviation of 1 ± mm.Can provide the transmission of power thus between described upper-part 10 and described lower component 12, the transmission of described power can realize a kind of windshield wiper carrying out work according to described fin ray principle.

That described Connection Element 18 is fixed on described upper-part 10 by means of rotary joint 20 and lower component 12, toward each other, in inner longitudinal side.Described rotary joint 20 hinge typically.Especially described rotary joint 20 can be configured to film hinge.This point is especially favourable, if described upper-part 10, described lower component 12 and/or described Connection Element 18 are made up of plastic material or cover by suitable plastic material.

The connection location of described Connection Element 18 above is accordingly connected on described upper-part 10, and is connected in described lower component 12 on the connection location of corresponding below.Such as, on described connection location, provide a rotary joint respectively.When described upper-part 10 and lower component 12 relative to each other move, connection location above on same Connection Element 18 is substantially constant relative to the spacing of the connection location of below, and that is described spacing keeps constant with the deviation of such as ± 1mm, especially ± 0.3mm.

In addition, described swept area of wiper blade 2 has a top.This top provides the connecting element 30 of described connecting element 30, namely wiper-blade-side.Along the longitudinal extension part of described swept area of wiper blade 2, the spacing between described upper-part 10 and described lower component 12 at least diminishes from described top in the region of the longitudinal extension part 8 of described swept area of wiper blade 2 or in the main part of the longitudinal extension part 8 of described swept area of wiper blade 2.From described top, the height of described swept area of wiper blade 2 becomes wedge shape in this region gradually, diminishes in other words in the region of described longitudinal extension part.Such as, according to embodiment, for multiple Connection Element 18 so provides the length of described Connection Element 18, the Connection Element that Connection Element 18 ratio that described top provides is provided along described longitudinal extension part 8 on the opposed side of described swept area of wiper blade 2 is long.Described water wiping lip can be provided on the downside of described lower component 12.For this reason, such as a kind of anchoring can be there is relative to the downside of described fin ray structure.

Claims

1., for the windshield wiper (100,200,300) of vehicle, especially self-propelled vehicle, comprise swept area of wiper blade, described swept area of wiper blade has:

-at least can partly form deviously, lengthwise extend upper-part (10);

-at least can partly form deviously, lengthwise extend lower component (12);

-multiple Connection Element (18) for described upper-part (10) and described lower component (12) are coupled together, wherein said Connection Element (18) is spaced along the longitudinal extension part (8) of described swept area of wiper blade (2), and wherein said Connection Element (18) is designed to: described upper-part (10) and described lower component (12) can be made relative to each other to move with the component motion of the longitudinal extension part (8) along described swept area of wiper blade (2); And

-pliable and tough element (210,310), this pliable and tough element is by the power of longitudinal extension part (8) set up for providing one to be substantially perpendicular to described swept area of wiper blade (2), thrust that wherein said power provides described swept area of wiper blade (2), that act on described window glass for vehicle (4) at least partially

Wherein said swept area of wiper blade (2) has the first section (110) along its longitudinal extension part (8) and is connected to the second section (120) on described first section (110), wherein said first section (110) extends substantially from the S. A. (130) of described windshield wiper (100,200,300), and

Wherein said pliable and tough element (210,310) is arranged in described first section (110).

2., by windshield wiper according to claim 1 (100,200,300), wherein said first section (110) is equivalent to the inner circle (112) of described windshield wiper (100,200,300).

3. by the windshield wiper (100,200,300) described in claim 1 or 2, wherein said first section (110) extends to the first radius about the S. A. (130) of described windshield wiper (100,200,300), wherein said second section (120) extends to the second radius about the S. A. (130) of described windshield wiper (100,200,300) from described first radius, and wherein said first radius is less than described second radius.

4., by windshield wiper according to claim 3 (100,200,300), wherein said second radius is at least the double of described first radius, and especially its three times, four times or five times.

5. by the windshield wiper (200) according to any one of claim 1 to 4, wherein said pliable and tough element (210) is a kind of U-shaped substantially, pliable and tough element, and described upper-part (10) and described lower component (12) are joined to one another by it.

6. by windshield wiper according to claim 5 (200), the pliable and tough element (210) of wherein said U-shaped has the first support arm (212) and the second support arm (214), wherein said first support arm (212) is connected with described upper-part (10), and described second support arm (214) is connected with described lower component (12), and wherein said second support arm (214) has space (216), this space is set up for the retaining element of described vehicle (31) can be allowed to pass, and be particularly useful for allowing the retaining element of described vehicle (31) contactlessly pass.

7., by windshield wiper according to claim 6 (200), described first support arm (212) has the retaining element (218) of wiper-blade-side, and this retaining element is set up for being connected with the retaining element (31) of described vehicle.

8. by windshield wiper (300) according to any one of claim 1 to 4, wherein said pliable and tough element (310) be arranged in described lower component (12), towards on the side of window glass for vehicle (4).

9., by windshield wiper according to claim 8 (300), wherein said pliable and tough element (310) comprises lip part.

10., by windshield wiper according to claim 9 (300), wherein said lip part is formed by being in recess (312) in described lower component (12), U-shaped substantially.