CN103857568A - Wiper blade - Google Patents
Wiper blade Download PDFInfo
- Publication number
- CN103857568A CN103857568A CN201280051324.7A CN201280051324A CN103857568A CN 103857568 A CN103857568 A CN 103857568A CN 201280051324 A CN201280051324 A CN 201280051324A CN 103857568 A CN103857568 A CN 103857568A
- Authority
- CN
- China
- Prior art keywords
- output element
- wind
- wiper blade
- wind glass
- swept area
- 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.)
- Granted
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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
- B60S1/32—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 invention relates to a wiper blade for wiping windows (10), in particular windows (10) of motor vehicles, comprising a main extension direction (12), a rubber elastic wiper strip (14) that can be applied to the window (10) to be wiped, and a carrying unit (22), wherein the wiper strip (14) is retained on the carrying unit (22) substantially parallel to the main extension direction (12) in an operationally ready assembly state, and a covering unit (28) attached to the carrying unit (22) for covering at least part of an upper face (26) of the carrying unit (22). According to the invention, the wiper blade has at least one output element (36) for producing an output force (62) that is directed substantially toward the window (1) by a relative wind during a drive in an operationally ready installed state, wherein in the operationally ready installed state, the relative wind flows around the output element (36) at least in a section (38) that is contiguous in the main extension direction (12) both on a side (40) of the output element (36) facing the window (10) and on a side (42) of the output element (36) facing away from the window (10).
Description
The present invention relates to a kind of according to the swept area of wiper blade as described in the preamble of claim 1.
Prior art
By the swept area of wiper blade of the known a kind of wind glass for wiper self-propelled vehicle of DE10007800A1, it has the wiper strip of caoutchouc elasticity, wiper strip has principal spread direction, and comprise the bearing unit with spring rail bar, wherein, under the assembled state that wiper strip moves in preparation, be parallel to principal spread direction and remain on spring rail bar place.Swept area of wiper blade comprises the side that covering unit deviates from for screen bearing unit and wind glass in addition.Hiding unit has bumper/spoiler or is designed to bumper/spoiler for fear of the undercurrent of swept area of wiper blade.
of the present invention open
Theme of the present invention is a kind of swept area of wiper blade, it is for wiper wind glass, especially the wind glass of self-propelled vehicle, it has principal spread direction, can be placed in wiper strip and the bearing unit of the caoutchouc elasticity on the wind glass of wanting wiper, wherein, wiper strip is arranged essentially parallel to principal spread direction and remains on bearing unit place under the assembled state of preparing operation, with there is the covering unit that is arranged on bearing unit place, it is at least a portion of the upside of the bearing unit of screening." principal spread direction " is construed as especially a kind of direction in this, the outer seamed edge that this direction is parallel to swept area of wiper blade extend and the party upwards swept area of wiper blade there is its upperlimit." prepare the assembled state of operation " and be construed as in this especially a kind of state of swept area of wiper blade, under this state, whole component parts of swept area of wiper blade are assembled according to designing.
Suggestion, swept area of wiper blade has at least one output element, it for producing by the wind that travels the power output of substantially pointing to wind glass under the installing condition preparing operation during motor-driven vehicle going, wherein, under the installing condition of preparing operation, output element is at least not only learned a side that output element and wind glass face but also is traveling vane at the side place that output element and wind glass deviate from and flows in the continuous portion's section of principal spread direction at one." prepare under the installing condition of operation " to be construed as in this especially a kind of state of swept area of wiper blade, under this state, be installed on the position for this reason arranging of self-propelled vehicle according to designing the swept area of wiper blade assembling." side of facing with wind glass " be construed as in this output element especially outside face in that part of preparing to be detected by the projecting beam of an illusion under the installing condition of operation, in this projecting beam direction vertical with the center of wind glass at, from wind glass, extend out and penetrate whole elements of swept area of wiper blade except output element." side that wind glass deviates from " is construed as that part that especially projecting beam by illusion of the outside face of output element does not detect in this." be traveling vane stream " and should be especially interpreted as in this, the wind outer surface at output element under mobile stabilized conditions of travelling is separated, is flowed and on flow direction, after output element, merge into again one along the outside face of output element.
Under suitable design, can realize thus, can produce by the wind that travels the power of pointing on wind glass at output element place, this power is along with the speed raising increases and effectively stops swept area of wiper blade to lift from wind glass.Can be provided in thus the swept area of wiper blade of avoiding lifting aspect and having from wind glass the performance of improvement under high moving velocity.
If the side that at least one output element is faced with wind glass has protruding arch portion in the plane vertical with principal spread direction, the power of pointing to so wind glass can produce in simple especially mode structurally.
In an identical manner, advantageously, the side that at least one output element deviates from wind glass has recessed arch portion in the plane vertical with principal spread direction.
At this, the side that at least one output element deviates from wind glass not only can have with the lateral parts of protruding arch portion but also can have the lateral parts with recessed arch portion in the plane vertical with principal spread direction.Thus output element can be structurally special simply compactly and not in the situation that of collision accident to personnel form potentially danger sharp edge construct.
If the side that at least one output element is faced with wind glass only has a protruding arch portion in the plane vertical with principal spread direction, so also can provide the solution that structure is simple and compact especially.
If the edge length that the side that at least one output element is faced with wind glass has in the plane vertical with principal spread direction is than the side deviating from at least one output element and wind glass, the edge length in this plane is larger, and the power of pointing to so wind glass also can advantageously produce by the wind that travels at output element place under suitable design.
In addition suggestion, under the installing condition of preparing operation, output element and covering unit mutually arrange at intervals in the direction towards wind glass.Can guarantee thus the good circulation of output element and produce by the wind that travels the power output of pointing to wind glass at output element place in actv. mode.
Particularly advantageously, arrange support unit between output element and covering unit, it has at least two independent strut members for this reason.Thus can by the wind that travels realize the good circulation to output element and realize simultaneously by output element remain on reliably hide unit place.
In addition suggestion, by output element, at least two elements in three elements of the group that support unit and covering unit form are configured to integratedly." integratedly " being construed as in this especially mode with coupling of materials connects, for example, by welding process and/or technique for sticking or the other conventional technique of professional, and by particularly advantageously integrally formed, as manufactured by foundry goods and/or manufacturing by die-casting technique.Can realize thus and keep reliably the element of Construction integration one-tenth and their the favourable manufacture of cost.
If at least one output element has portion's section of facing with the wind that travels, the cross-sectional plane of this section is surrounded edge by a circular segments in the plane of vertically arranging with principal spread direction, can realize so favourable aerodynamic drag factor and little noise expansion.In this external this design plan, output element does not have danger to personnel with portion's section that the wind that travels is faced the in the situation that of collision accident.
This advantage is also suitable for this situation, and at least one output element has the portion's section deviating from the wind that travels, its cross-sectional plane with the vertically arranged plane of principal spread direction in surrounded border by a circular segments.
If surround the radius that the radius of the circular segments of portion's section boundary of facing with the wind that travels is greater than the circular segments that surrounds the portion's section boundary deviating from the wind that travels, the power of pointing to so wind glass can be sentenced particularly advantageous simple mode in structure at output element by the wind that travels and produce.
In addition suggestion, is preparing under the assembled state of operation, surrounds the round mid point of circular segments of portion's section boundary of facing with the wind that travels than the round mid point more close wind glass in distance of circular segments that surrounds the portion's section boundary deviating from the wind that travels.Can provide thus one simple especially solution, for producing by the wind that travels the power of pointing to wind glass at output element place.
accompanying drawing
Additional advantage is provided by following accompanying drawing explanation.One embodiment of the present of invention shown in the drawings.Accompanying drawing, specification sheets and claim comprise a large amount of Feature Combinations.Professional also can consider individually these features and summarize significant other combination according to object.
Shown in accompanying drawing:
Fig. 1 be with shown in the partial view of half side-view according to swept area of wiper blade of the present invention,
Fig. 2 is the cutaway view along line A-A' according to the swept area of wiper blade of Fig. 1, and
Fig. 3 is the detail view of the output element of swept area of wiper blade according to a view of Fig. 2.
the description of embodiment
Fig. 1 has illustrated the swept area of wiper blade for the wind glass 10 of wiper self-propelled vehicle under the installing condition of preparing operation in a half side-view partial view.Be not illustrated in for clarity the end cap of swept area of wiper blade end.Swept area of wiper blade has the wiper strip 14 that can be placed in the caoutchouc elasticity on the wind glass 10 of wanting wiper, and it is arranged along the principal spread direction 12 of swept area of wiper blade.Wiper strip 14 comprises water wiping lip 16, and it is connected (Fig. 2) via upset connecting strap with the top bar 18 of wiper strip 14.Learn water wiping lip 16 under the installing condition of preparing operation and be positioned at (Fig. 1) on wind glass 10.
Wiper strip with upset connecting strap has been shown in the embodiment illustrating herein.But also can adopt in principle the wiper strip of not being with upset connecting strap.
In the middle section of bearing unit 22, on the upper side deviating from wind glass 10, be furnished with connecting device (not shown) under the installing condition of preparing operation, for the pairing bindiny mechanism loading in the direction towards wind glass 10, perpendicular to principal spread direction 12 of scraping water arm that can move between rotary position.Suitable connecting device is known in the prior art and does not therefore do herein more detailed description.Connecting device can contain hinge unit, for regulating swept area of wiper blade with respect to the relative position of scraping water arm.But connecting device also can become by hingeless grounding construction in principle.
As the mechanical protection of wiper strip 14 and for the upside 26 of the bearing unit 22 of screening, swept area of wiper blade has the covering unit 28 that plastics are made.Hide unit 28 is parallel to longitudinal side place that principal spread direction 12 extends and has and be configured to continuously clamping element 30 under the assembled state of preparing operation.Hide unit 28 and be arranged on bearing unit 22 places, wherein clamping element 30 will get up from outstanding bearing rail strip 24 double teams of top bar 18 in side.
In Fig. 1, in the side deviating from wind glass 10, show in die-casting technique integratedly with hide the support unit 32 of manufacturing unit 28 and be also in die-casting technique integratedly with the output element 36 (Fig. 1) that hides the areal of support shape of manufacturing unit 28, wherein, support unit 32 is being arranged in output element 36 and is hiding between unit 28 under the installing condition of preparing operation on wind glass 10.
As from can seeing Fig. 1, output element 36 under the installing condition of preparing operation in the continuous portion's section 38 of principal spread direction 12 between strut member 34, radius is faced at output element 36 and wind glass 10 separately side 40 places and the unhinderedly circulation of wind that travels that all formed during motor-driven vehicle going of side 42 places that deviate from output element 36 and wind glass 10.Because support unit 32 comprises four independent strut members 34, therefore between strut member 34, there are three this continuous portion's sections 38 separately.On this external principal spread direction 12, continuous portion's section 38 of output element 36 in two ends of swept area of wiper blade not only a side 40 of facing with wind glass 10 and also at side 42 places that deviate from wind glass 10 also by circulation unhinderedly.
Fig. 2 show with principal spread direction 12 vertically in directed plane according to the cutaway view of the swept area of wiper blade along line A-A' of Fig. 1.Under the installing condition of preparing operation, can anticipate the wind that travels from the wind direction 60 of travelling, this direction is substantially extended from upper right lower left in Fig. 2.
With the plane of principal spread direction 12 vertical orientations in, output element 36 has protruding arch portion with 40 of the sides that wind glass 10 is faced.On the contrary, the side 42 that output element 36 and wind glass 10 deviate from not only has with the first lateral parts 44 of protruding arch portion but also has the second lateral parts 46 (Fig. 3) with recessed arch portion.
In portion's section of facing with the wind that travels at one of output element 36, its cross-sectional plane shown in figure 2, perpendicular to being surrounded edge by the first circular segments 48 in the plane of principal spread direction 12 orientations.A portion's section deviating from the wind that travels of output element 36 has the cross-sectional plane that is surrounded edge by the second circular segments 50 in the plane perpendicular to principal spread direction 12 orientations.At this, the radius of the first circular segments 48 is greater than the radius of the second circular segments 50.Shown in figure 2, prepare under the installing condition of operation, the first circle mid point 52 of the first circular segments 48 second circle mid point 54 more close wind glass 10 than the second circular segments 50 in distance is arranged.
In a border (edge) of the cross-sectional plane of output element 36, in plane shown in Figure 3, perpendicular to principal spread direction 12 orientations, the first edge length 56 of the side 40 that output element 36 and wind glass 10 are faced is greater than the second edge length 58 of the side 42 that output element 36 and wind glass 10 deviate from.
According to aerodynamics law, in above-mentioned device by the wind that travels occurring during motor-driven vehicle going, between air pressure in the side 40 that air pressure in the side 42 deviating from output element 36 and wind glass 10 and output element 36 and wind glass 10 are faced, produce positive difference of pressure, can produce the power output 62 of substantially pointing to wind glass 10 at output element 36 places by this difference of pressure, its via support unit 32 and hide unit 28 be passed to wiper strip 14 places and with velocity correlation ground, and be in an advantageous manner along with disproportionately (hypergeometric example ground) the strong ground that increases of wind speed degree that travels increasing, generation acts on the additional thrust 64 (Fig. 2) on wiper strip 14, it advantageously stops wiper strip 14 to lift from wind glass 10, especially under the high speed of self-propelled vehicle.
Claims (13)
1. swept area of wiper blade, it is for wiper wind glass (10), especially the wind glass of self-propelled vehicle (10), comprise principal spread direction (12), can be placed in wiper strip (14) and the bearing unit (22) of the caoutchouc elasticity on the wind glass (10) of wanting wiper, wherein, wiper strip (14) is arranged essentially parallel to principal spread direction and is maintained at bearing unit (22) (12) and locates under the assembled state of preparing operation, be arranged on covering unit (28) that bearing unit (22) locates at least a portion for the upper side (26) of the bearing unit of screening (22) with comprising, it is characterized in that at least one output element (36), it for producing by the wind that travels the power output (62) of substantially pointing to wind glass (1) under the installing condition preparing operation during motor-driven vehicle going, wherein, the side (40) that output element (36) is at least not only faced at output element (36) and wind glass (10) in upper continuous portion's section (38) along principal spread direction (12) under the installing condition of preparing operation but also the side (42) deviating from output element (36) and wind glass (10) locate to be traveling vane stream.
2. swept area of wiper blade according to claim 1, it is characterized in that, a side (40) of facing with wind glass (10) of at least one output element (36) has protruding arch portion in the plane vertical with principal spread direction (12).
3. swept area of wiper blade according to claim 1 and 2, it is characterized in that, the side (42) deviating from wind glass (10) of at least one output element (36) has recessed arch portion in the plane vertical with principal spread direction (12).
4. according to the swept area of wiper blade described in any one in the claims, it is characterized in that, the side (42) deviating from wind glass (10) of at least one output element (36) not only has with the lateral parts (44) of protruding arch portion but also has the lateral parts (46) with recessed arch portion in the plane vertical with principal spread direction (12).
5. according to the swept area of wiper blade described in any one in the claims, it is characterized in that, a side (40) of facing with wind glass (10) of at least one output element (36) only has protruding arch portion in the plane vertical with principal spread direction (12).
6. according to the swept area of wiper blade described in any one in the claims, it is characterized in that, a side (42) of facing with wind glass (10) of at least one output element (36) has a kind of edge length (56) in the plane vertical with principal spread direction (12), the edge length (58) of the side (42) deviating from wind glass (10) that this edge length is greater than described at least one output element (36) in this plane.
7. according to the swept area of wiper blade described in any one in the claims, it is characterized in that, under the installing condition of preparing operation, output element (36) and covering unit (28) are mutually arranged at intervals in the direction towards wind glass (10).
8. according to the swept area of wiper blade described in any one in the claims, it is characterized in that at output element (36) and hide the support unit (32) of arranging between unit (28), this support unit comprises at least two independent strut members (34).
9. swept area of wiper blade at least according to claim 7, it is characterized in that, by output element (36), at least two elements in three elements in the group that support unit (32) and covering unit (28) form are configured to integratedly.
10. according to the swept area of wiper blade described in any one in the claims, it is characterized in that, described at least one output element (36) has portion's section of facing with the wind that travels, in the plane that its cross-sectional plane is vertically arranged with principal spread direction (12) at, surrounds edge by a circular segments (48).
11. according to the swept area of wiper blade described in any one in the claims, it is characterized in that, described at least one output element (36) has the portion's section deviating from the wind that travels, and in the plane that its cross-sectional plane is vertically arranged with principal spread direction (12) at, surrounds edge by a circular segments (50).
Swept area of wiper blade described in 12. at least according to Claim 8 with 9, it is characterized in that, the radius that forms the described circular segments (48) at the edge of portion's section of facing with the wind that travels is greater than the radius of the described circular segments (50) at the edge that forms the portion's section deviating from the wind that travels.
13. swept area of wiper blades at least according to claim 11, it is characterized in that, round mid point (52) ratio that forms the described circular segments (48) at the edge of portion's section of facing with the wind that travels under the assembled state of preparing operation forms round mid point (54) more close described wind glass (10) in distance of the described circular segments (50) at the edge of the portion's section deviating from the wind that travels.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011084955.6 | 2011-10-21 | ||
| DE201110084955 DE102011084955A1 (en) | 2011-10-21 | 2011-10-21 | wiper blade |
| PCT/EP2012/069912 WO2013057005A1 (en) | 2011-10-21 | 2012-10-09 | Wiper blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103857568A true CN103857568A (en) | 2014-06-11 |
| CN103857568B 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01108865U (en) * | 1988-01-15 | 1989-07-24 | ||
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 WO PCT/EP2012/069912 patent/WO2013057005A1/en active Application Filing
- 2012-10-09 EP EP12769663.1A patent/EP2768705A1/en not_active Withdrawn
- 2012-10-09 CN CN201280051324.7A patent/CN103857568B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01108865U (en) * | 1988-01-15 | 1989-07-24 | ||
| 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 |
| DE102011084955A1 (en) | 2013-04-25 |
| WO2013057005A1 (en) | 2013-04-25 |
| CN103857568B (en) | 2016-12-21 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20211009 |