CN103857568B - Windshield wiper blade - Google Patents
Windshield wiper blade Download PDFInfo
- Publication number
- CN103857568B CN103857568B CN201280051324.7A CN201280051324A CN103857568B CN 103857568 B CN103857568 B CN 103857568B CN 201280051324 A CN201280051324 A CN 201280051324A CN 103857568 B CN103857568 B CN 103857568B
- Authority
- CN
- China
- Prior art keywords
- glass pane
- output element
- wiper blade
- windshield wiper
- principal spread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3806—Means, or measures taken, for influencing the aerodynamic quality of the wiper blades
- B60S1/381—Spoilers mounted on the squeegee or on the vertebra
-
- 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
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3848—Flat-type wiper blade, i.e. without harness
- B60S1/3874—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
- B60S1/3875—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section
- B60S1/3879—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section placed in side grooves in the squeegee
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Quality & Reliability (AREA)
- Mechanical Engineering (AREA)
- Window Of Vehicle (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of for wiper glass pane (10), the especially windshield wiper blade of the glass pane (10) of motor vehicles, it includes principal spread direction (12), the Wiper blade (14) of the caoutchouc elasticity can being placed on the glass pane (10) wanting wiper and bearing unit (22), wherein, Wiper blade (14) is maintained at bearing unit (22) place with being arranged essentially parallel to principal spread direction (12) under preparing the assembled state run, with include the covering unit (28) being arranged on bearing unit (22) place upper side (26) at least some of for bearing unit of screening (22).Suggestion, windshield wiper blade has at least one output element (36), for being produced the power output (62) being directed substantially toward glass pane (1) under preparing the installment state run during motor-driven vehicle going by traveling wind, wherein, under preparing the installment state run, output element (36) at least not only with the side (40) faced by glass pane (10) but also is being traveling vane stream in the side (42) that output element (36) and glass pane (10) deviate from output element (36) along the upper continuous print section (38) of principal spread direction (12).
Description
Technical field
The present invention relates to a kind of windshield wiper blade.
Background technology
Windshield wiper blade by the known a kind of glass pane for wiper motor vehicles of DE10007800A1, it has the Wiper blade of caoutchouc elasticity, Wiper blade has principal spread direction, and include the bearing unit with spring rail bar, wherein, Wiper blade is maintained at spring rail bar under preparing the assembled state run with being parallel to principal spread direction.Windshield wiper blade includes hiding the side that unit deviates from glass pane for bearing unit of screening in addition.Hide unit there is in order to avoid the undercurrent of windshield wiper blade flow spoiler or be designed to flow spoiler.
Summary of the invention
Subject of the present invention is a kind of windshield wiper blade, it is used for wiper glass pane, the especially glass pane of motor vehicles, it has principal spread direction, the Wiper blade of the caoutchouc elasticity can being placed on the glass pane wanting wiper and bearing unit, wherein, Wiper blade is maintained at bearing unit with being arranged essentially parallel to principal spread direction under preparing the assembled state run, with there is the covering unit being arranged at bearing unit, it is for upside at least some of of bearing unit of screening." principal spread direction " is construed as especially a kind of direction in this, and the direction is parallel to the outer seamed edge of windshield wiper blade and extends and windshield wiper blade has its full-size in the direction." assembled state that preparation runs " is construed as a kind of state of especially windshield wiper blade in this, and whole ingredients of windshield wiper blade are assembled according to design in this condition.
Suggestion, windshield wiper blade has at least one output element, it is directed substantially toward the power output of glass pane by traveling wind for being produced during motor-driven vehicle going under preparing the installment state run, wherein, under preparing the installment state run, output element is at least not only learned output element in principal spread direction continuous print section at one and with the side faced by glass pane but also is traveling vane stream at the side that output element and glass pane deviate from." prepare under the installment state run " to be construed as in this kind of state of especially windshield wiper blade, be installed on the position arranged for this of motor vehicles according to the windshield wiper blade assembled with designing in this condition." with the side faced by glass pane " is construed as that part detected by the projecting beam of an illusion under preparing the installment state run of the outer surface of especially output element in this, and this projecting beam extends out and penetrate whole elements of windshield wiper blade in addition to output element on a direction vertical with the center of glass pane from glass pane." side that glass pane deviates from " is construed as that part not detected by the projecting beam of illusion of the outer surface of especially output element in this." be traveling vane stream " and should be especially appreciated that in this into, traveling wind under the steady statue of flowing in the outer surface of output element separately, flow along the outer surface of output element and after output element, merge into again one in the flowing direction.
Through this it is achieved that can be produced the power pointed on glass pane at output element by traveling wind under suitably design, this power increases along with the speed raised and effectively stops windshield wiper blade to lift from glass pane.Thus can be provided in the windshield wiper blade of the performance in terms of avoiding lifting from glass pane under high travel speed with improvement.
If at least one output element has the arch portion of projection in the plane vertical with principal spread direction with the side faced by glass pane, then the power pointing to glass pane can produce in the most particularly simple mode.
In an identical manner, it is advantageous to the side that at least one output element deviates from glass pane has recessed arch portion in the plane vertical with principal spread direction.
Here, the side that at least one output element deviates from glass pane is possible not only to have the lateral parts with protruding arch portion in the plane vertical with principal spread direction and can have the lateral parts with recessed arch portion.Thus output element can in the case of collision accident, personnel potentially not formed the most compactly and danger sharp edge construct.
If at least one output element only has a protruding arch portion with the side faced by glass pane in the plane vertical with principal spread direction, then can also provide the solution that structure is particularly simple and compact.
If the edge length that at least one output element has in the plane vertical with principal spread direction with the side faced by glass pane is bigger than the side deviated from at least one output element and glass pane edge length in this plane, then the power pointing to glass pane can also advantageously be produced by traveling wind under suitably design at output element.
In addition advising, under preparing the installment state run, output element and covering unit are mutually being arranged on the direction of glass pane at intervals.Thus can ensure that the good circulation of output element and at output element, produced the power output pointing to glass pane by traveling wind in an efficient way.
Particularly advantageously, at output element and hiding layout support unit between unit for this, it has the independent support member of at least two.Thus can realize the good circulation to output element by traveling wind and realize being reliably held at by output element at covering unit simultaneously.
In addition advise, output element, support unit and covering unit at least two element in three elements of the group formed is configured to integratedly." integratedly " it is construed as in this especially connecting in the way of material fit, the technique such as commonly used by welding procedure and/or technique for sticking or other professional, and by the most integrally formed, as manufactured by foundry goods and/or being manufactured by casting die.Thus can realize element and the manufacture of their cost advantages reliably keeping Construction integration to become.
If at least one output element has and the section faced by traveling wind, the cross section of this section is surrounded edge by a circular segments in the plane vertically arranged with principal spread direction, then can realize favourable coefficient of air resistance and the extension of little noise.In this this design external, output element does not has danger to personnel with the section faced by traveling wind in the case of collision accident.
This advantage is also suitable for this situation, i.e. at least one output element and has the section deviated from traveling wind, and its cross section is surrounded border by a circular segments in plane vertically arranged with principal spread direction.
If surrounding the radius radius more than the circular segments surrounding the portion's section boundary deviated from traveling wind of the circular segments with the portion's section boundary faced by traveling wind, then the power pointing to glass pane can be produced in simple mode particularly advantageous in structure at output element by traveling wind.
In addition advising, under preparing the assembled state run, the round midpoint of the circular segments surrounding the portion's section boundary deviated from traveling wind is compared in distance closer to glass pane in the round midpoint surrounding the circular segments with the portion's section boundary faced by traveling wind.Thus can provide a kind of particularly simple solution, for being produced the power pointing to glass pane at output element by traveling wind.
Accompanying drawing explanation
Additional advantage is given by following accompanying drawing explanation.One embodiment of the present of invention shown in the drawings.Accompanying drawing, description comprise the combination of substantial amounts of feature.Professional can also consider these features individually according to purpose and summarize significant other combination.
Shown in accompanying drawing:
Fig. 1 is with the windshield wiper blade according to the present invention shown in the partial view of half side-view,
Fig. 2 is the sectional view along line A-A' of the windshield wiper blade according to Fig. 1, and
Fig. 3 is the detail view of the output element of windshield wiper blade according to a view of Fig. 2.
Detailed description of the invention
Fig. 1 shows the windshield wiper blade of glass pane 10 under preparing the installment state run for wiper motor vehicles in a half side-view partial view.It is shown without the end cap existed in windshield wiper blade end for clarity.Windshield wiper blade has the Wiper blade 14 of the caoutchouc elasticity can being placed on the glass pane 10 wanting wiper, and it is arranged along the principal spread direction 12 of windshield wiper blade.Wiper blade 14 includes water wiping lip 16, and it is connected (Fig. 2) via upset connection strap with the top bar 18 of Wiper blade 14.Learn water wiping lip 16 under the installment state preparing to run and be positioned at (Fig. 1) on glass pane 10.
The embodiment being shown here at shows the Wiper blade with upset connection strap.But the Wiper blade without upset connection strap can also be used in principle.
Wiper blade 14 is parallel to principal spread direction 12 ground and is maintained at bearing unit 22, and it includes the bearing rail strip 24 of spring of belt in known manner, and bearing rail strip is engaged in the cannelure 20 of top bar 18 (Fig. 2).The bearing rail strip 24 of spring protrudes from the top bar 18 of windshield wiper blade in both sides.
In the middle section of bearing unit 22, the upper side deviated from glass pane 10 under the installment state preparing to run is disposed with attachment means (not shown), for the wiper that can move between rotary position towards glass pane 10 direction, be perpendicular to the pairing bindiny mechanism of principal spread direction 12 loading.Suitably attachment means is known in the prior art and does not therefore do more detailed description herein.Attachment means can contain hinge unit, for regulating the windshield wiper blade relative position relative to wiper.But attachment means can also become by hingeless grounding construction in principle.
As the mechanical protection of Wiper blade 14 and for the upside 26 of bearing unit 22 of screening, windshield wiper blade has the covering unit 28 that plastics are made.Hide unit 28 to be parallel at longitudinal side that principal spread direction 12 extends have under the assembled state in preparation operation be configured to clamping element 30 continuously.Hiding unit 28 and be arranged at bearing unit 22, wherein clamping element 30 will sandwich from the prominent bearing rail strip 24 of top bar 18 in side.
In FIG, on the side deviated from glass pane 10, show in casting die integratedly with hide support unit 32 that unit 28 manufactures and be also in casting die integratedly with the output element 36 (Fig. 1) hiding the bearing-surface shape that unit 28 manufactures, wherein, support unit 32 is being arranged in output element 36 on glass pane 10 and is hiding between unit 28 under preparing the installment state run.
Support unit 32 comprises four radially towards the independent support member 34 (the independent support member of two of which 34 figure 1 illustrates) of principal spread direction 12 orientation, and under preparing the installment state run, output element 36 and covering unit 28 are mutually arranged on the direction towards glass pane 10 at intervals whereby.
Output element 36 includes and the side 40 faced by glass pane 10 and side 42(Fig. 2 of deviating from glass pane 10 under preparing the installment state run).
As can see that from Fig. 1, output element 36 under preparing the installment state run principal spread direction 12 continuous print section 38 between independent support member 34 radius at output element 36 with the side 40 faced by glass pane 10 and at the side 42 that output element 36 and glass pane 10 deviate from all by the traveling wind unhinderedly circulation of formation during motor-driven vehicle going.Owing to support unit 32 comprises four independent support members 34, between independent support member 34, therefore there are three this continuous print sections 38.On this external principal spread direction 12, the continuous print section 38 of output element 36 in two ends of windshield wiper blade not only with the side 40 faced by glass pane 10 and also also by unhinderedly circulation at the side 42 deviated from glass pane 10.
Fig. 2 shows the sectional view of the windshield wiper blade along line A-A' in the plane vertically oriented with principal spread direction 12 according to Fig. 1.It is expected to the traveling wind from traveling wind direction 60 under preparing the installment state run, the direction the most substantially extends from upper right lower left.
With the plane of principal spread direction 12 vertical orientation, output element 36 only has the arch portion of projection with the side 40 faced by glass pane 10.On the contrary, the side 42 that output element 36 and glass pane 10 deviate from not only has the first lateral parts 44 with protruding arch portion but also has the second lateral parts 46 (Fig. 3) with recessed arch portion.
One of output element 36 with in the section faced by traveling wind, its cross section is shown in figure 2, be perpendicular to the plane of principal spread direction 12 orientation in surrounded edge by the first circular segments 48.The section that of output element 36 and traveling wind deviate from has the cross section being surrounded edge by the second circular segments 50 in the plane being perpendicular to principal spread direction 12 orientation.Here, the radius of the first circular segments 48 is more than the radius of the second circular segments 50.Under the installment state that shown in figure 2, preparation runs, the first circle midpoint 52 of the first circular segments 48 is arranged closer to glass pane 10 than the second of the second circular segments 50 the round midpoint 54 in distance.
In a border (edge) of the cross section of output element 36, that figure 3 illustrates, be perpendicular in the plane of principal spread direction 12 orientation, the second edge length 58 of the side 42 that the first edge length 56 of output element 36 and the side 40 faced by glass pane 10 deviates from glass pane 10 more than output element 36.
nullAerodynamically law，By the traveling wind occurred during motor-driven vehicle going in above-mentioned device，Positive pressure differential is produced between air pressure on air pressure on the side 42 that output element 36 and glass pane 10 deviate from and output element 36 and the side 40 faced by glass pane 10，The power output 62 being directed substantially toward glass pane 10 can be produced at output element 36 by this pressure differential，Its via support unit 32 and hide unit 28 be passed at Wiper blade 14 and with velocity correlation ground，And it is in an advantageous manner along with the traveling wind speed increased disproportionately (hypergeometric example ground) increases ground strongly，Produce the additional thrust 64 (Fig. 2) acting on Wiper blade 14，It advantageously stops Wiper blade 14 to lift from glass pane 10，Especially under the high speed of motor vehicles.
Claims (13)
1. windshield wiper blade, it is used for wiper glass pane (10), including principal spread direction (12), the Wiper blade (14) of the caoutchouc elasticity can being placed on the glass pane (10) wanting wiper and bearing unit (22), wherein, Wiper blade (14) is maintained at bearing unit (22) place with being arranged essentially parallel to principal spread direction (12) under preparing the assembled state run；And including being arranged on the covering unit (28) at bearing unit (22) place upper side (26) at least some of for bearing unit of screening (22)；And including at least one output element (36), it is directed substantially toward the power output (62) of glass pane (1) by traveling wind for being produced during motor-driven vehicle going under preparing the installment state run, wherein, under preparing the installment state run, output element (36) at least not only with the side (40) faced by glass pane (10) but also is being traveling vane stream at side (42) place that output element (36) and glass pane (10) deviate from output element (36) along the upper continuous print section (38) of principal spread direction (12), it is characterized in that, described at least one output element (36) has the section deviated from traveling wind, its cross section is surrounded edge by a circular segments (50) in a plane vertically arranged with principal spread direction (12).
Windshield wiper blade the most according to claim 1, it is characterized in that, the arch portion in the plane vertical with principal spread direction (12) with the side (40) faced by glass pane (10) with projection of described at least one output element (36).
Windshield wiper blade the most according to claim 1 and 2, it is characterized in that, described at least one output element (36) in the plane vertical with principal spread direction (12), there is recessed arch portion with the side (42) that glass pane (10) deviates from.
Windshield wiper blade the most according to claim 1 and 2, it is characterized in that, not only there is with the side (42) that glass pane (10) deviates from the plane vertical with principal spread direction (12) lateral parts (44) with protruding arch portion but also there is the lateral parts (46) with recessed arch portion of described at least one output element (36).
Windshield wiper blade the most according to claim 1 and 2, it is characterized in that, the arch portion the most protruding in the plane vertical with principal spread direction (12) with the side (40) faced by glass pane (10) of described at least one output element (36).
Windshield wiper blade the most according to claim 1 and 2, it is characterized in that, described at least one output element (36) with the side (42) faced by glass pane (10), there is in the plane vertical with principal spread direction (12) a kind of edge length (56), this edge length is more than edge length (58) in this plane of the side (42) deviated from glass pane (10) of described at least one output element (36).
Windshield wiper blade the most according to claim 1 and 2, it is characterised in that output element (36) and covering unit (28) are mutually arranged on the direction towards glass pane (10) at intervals under preparing the installment state run.
Windshield wiper blade the most according to claim 1 and 2, it is characterized in that, arranging support unit (32) between output element (36) and covering unit (28), this support unit includes the independent support member of at least two (34).
Windshield wiper blade the most according to claim 8, it is characterized in that, at least two element in output element (36), support unit (32) and three elements hidden in the group that unit (28) is formed be configured to integratedly.
Windshield wiper blade the most according to claim 1 and 2, it is characterized in that, described at least one output element (36) has and the section faced by traveling wind, and its cross section is surrounded edge by a circular segments (48) in a plane vertically arranged with principal spread direction (12).
11. windshield wiper blades according to claim 10, it is characterized in that, the radius of the described circular segments (50) at the edge of the section that the radius of the described circular segments (48) forming the edge with the section faced by traveling wind deviates from more than formation and traveling wind.
12. windshield wiper blades according to claim 10, it is characterized in that, round midpoint (52) ratio of the described circular segments (48) forming the edge with the section faced by traveling wind under preparing the assembled state run forms the round midpoint (54) of the described circular segments (50) at the edge of the section deviated from traveling wind in distance closer to described glass pane (10).
13. windshield wiper blades according to claim 1, it is characterised in that described windshield wiper blade is provided for the glass pane (10) of wiper motor vehicles.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110084955 DE102011084955A1 (en) | 2011-10-21 | 2011-10-21 | wiper blade |
| DE102011084955.6 | 2011-10-21 | ||
| PCT/EP2012/069912 WO2013057005A1 (en) | 2011-10-21 | 2012-10-09 | Wiper blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103857568A CN103857568A (en) | 2014-06-11 |
| CN103857568B true CN103857568B (en) | 2016-12-21 |
Family
ID=47002873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280051324.7A Expired - Fee Related CN103857568B (en) | 2011-10-21 | 2012-10-09 | Windshield wiper blade |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2768705A1 (en) |
| CN (1) | CN103857568B (en) |
| DE (1) | DE102011084955A1 (en) |
| WO (1) | WO2013057005A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10037338A1 (en) * | 2000-07-29 | 2002-02-21 | Valeo Auto Electric Gmbh | Windscreen wiper for vehicle; has spoiler-shaped extension along back of wiper rubber with bars and support blade to form under or over pressure in flow direction |
| DE10312979A1 (en) * | 2003-03-24 | 2004-10-07 | Robert Bosch Gmbh | Wiper blade for windscreens esp. of motor vehicles has airflow aperture between wiper lip and construction element to deflect air flow |
| FR2886252A1 (en) * | 2005-05-30 | 2006-12-01 | Bosch Gmbh Robert | Windscreen wiper blade for vehicle, has passage orifices formed between deflector, supports and wiping blade, and wiper arm that deviates flow of air traversing orifice towards window of vehicle |
| CN101500862A (en) * | 2006-08-07 | 2009-08-05 | 罗伯特·博世有限公司 | Wiper blade |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01108865U (en) * | 1988-01-15 | 1989-07-24 | ||
| DE10007800A1 (en) | 2000-02-21 | 2001-08-23 | Valeo Auto Electric Gmbh | Wiper blade for vehicle windows has cover held on spring rail to cover wiper strip on side facing away from wiper lip |
-
2011
- 2011-10-21 DE DE201110084955 patent/DE102011084955A1/en not_active Ceased
-
2012
- 2012-10-09 CN CN201280051324.7A patent/CN103857568B/en not_active Expired - Fee Related
- 2012-10-09 EP EP12769663.1A patent/EP2768705A1/en not_active Withdrawn
- 2012-10-09 WO PCT/EP2012/069912 patent/WO2013057005A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10037338A1 (en) * | 2000-07-29 | 2002-02-21 | Valeo Auto Electric Gmbh | Windscreen wiper for vehicle; has spoiler-shaped extension along back of wiper rubber with bars and support blade to form under or over pressure in flow direction |
| DE10312979A1 (en) * | 2003-03-24 | 2004-10-07 | Robert Bosch Gmbh | Wiper blade for windscreens esp. of motor vehicles has airflow aperture between wiper lip and construction element to deflect air flow |
| FR2886252A1 (en) * | 2005-05-30 | 2006-12-01 | Bosch Gmbh Robert | Windscreen wiper blade for vehicle, has passage orifices formed between deflector, supports and wiping blade, and wiper arm that deviates flow of air traversing orifice towards window of vehicle |
| CN101500862A (en) * | 2006-08-07 | 2009-08-05 | 罗伯特·博世有限公司 | Wiper blade |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2768705A1 (en) | 2014-08-27 |
| WO2013057005A1 (en) | 2013-04-25 |
| CN103857568A (en) | 2014-06-11 |
| DE102011084955A1 (en) | 2013-04-25 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20211009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |