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WO2013042997A2 - Ensemble essuie-glace de pare-brise - Google Patents

Ensemble essuie-glace de pare-brise Download PDF

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Publication number
WO2013042997A2
WO2013042997A2 PCT/KR2012/007616 KR2012007616W WO2013042997A2 WO 2013042997 A2 WO2013042997 A2 WO 2013042997A2 KR 2012007616 W KR2012007616 W KR 2012007616W WO 2013042997 A2 WO2013042997 A2 WO 2013042997A2
Authority
WO
WIPO (PCT)
Prior art keywords
pair
leaf springs
spoiler
wind pressure
windshield
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.)
Ceased
Application number
PCT/KR2012/007616
Other languages
English (en)
Korean (ko)
Other versions
WO2013042997A3 (fr
Inventor
이춘배
리앨버트
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
API KOREA Co Ltd
Original Assignee
API KOREA Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020110095351A external-priority patent/KR101387135B1/ko
Priority claimed from KR1020110095352A external-priority patent/KR101318353B1/ko
Application filed by API KOREA Co Ltd filed Critical API KOREA Co Ltd
Publication of WO2013042997A2 publication Critical patent/WO2013042997A2/fr
Publication of WO2013042997A3 publication Critical patent/WO2013042997A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B60S1/3848—Flat-type wiper blade, i.e. without harness
    • B60S1/3849—Connectors therefor; Connection to wiper arm; Attached to blade
    • B60S1/3851—Mounting of connector to blade assembly
    • B60S1/3858—Mounting of connector to blade assembly with protrusions cooperating with holes
    • 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
    • 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

Definitions

  • the present invention relates to a windshield wiper assembly.
  • a vehicle In general, a vehicle is provided with a windshield made of glass in order to secure an external view from the vehicle cabin and to prevent foreign substances such as wind, rain, snow or dust from entering the vehicle interior.
  • the windshield is provided on the front and rear of the vehicle compartment and doors disposed on the left and right sides of the vehicle compartment.
  • the windshield provided in front of the vehicle compartment is provided with a wiper assembly for wiping foreign matter such as rain, snow or dust.
  • a wiper blade (or squeegee) is sandwiched between a pair of leaf springs and a spoiler is fastened to the pair of leaf springs. While the vehicle is running, the wiper blade is pressed by the wind pressure applied to the spoiler, so as to be in close contact with the windshield.
  • Such a conventional windshield wiper assembly requires that the spacing between the pair of leaf springs be kept constant so that the wiper blade does not escape between the pair of leaf springs. Welding was made between the pair of leaf springs. This method is difficult to replace the wiper blades.
  • the conventional wiper assembly not only stably shakes at high speeds of the vehicle, thereby failing to operate stably, but also causes a problem in that the spoiler is removed due to extreme shaking.
  • the severe wind blowing sound is caused as the wind encounters the vehicle running at high speed is interfered by the spoiler.
  • the problem to be solved by the present invention is to provide a windshield wiper assembly in which the spacing between a pair of leaf springs is kept constant by a spoiler.
  • Another problem to be solved by the present invention is to provide a windshield wiper assembly that can prevent the leaf spring is twisted.
  • the spoiler is formed integrally, including a soft portion made of a deformable material and a hard portion made of a harder portion than the soft portion, and the end of the pair of leaf springs by the hard portion. It is to provide a windshield wiper assembly to maintain a constant distance from each other.
  • Another object of the present invention is to provide a windshield wiper assembly that is easy to replace the wiper blade.
  • Another object of the present invention is to provide a windshield wiper assembly that simplifies the manufacturing and assembly process.
  • Another object of the present invention is to provide a wiper assembly that can operate stably even at high speeds of a vehicle.
  • Another problem to be solved by the present invention is to provide a windshield wiper assembly which does not cause wind noise even when the vehicle travels at high speed.
  • Another object of the present invention is to provide a windshield wiper assembly that improves the cleaning power of the windshield.
  • Another object of the present invention is to provide a windshield wiper assembly in which the spoiler is not removed even at high speeds of the vehicle.
  • the windshield wire assembly of the present invention comprises: a pair of leaf springs supported substantially parallel to each other; A wiper blade supported between the pair of leaf springs; And a spoiler coupled to the pair of leaf springs so that the wiper blade is in close contact with the windshield by a wind pressure applied when the vehicle is driven, and the spoiler is made of a deformable material.
  • a soft portion extending along the direction; And a hard part that is harder than the soft part and maintains a predetermined interval between each end of the pair of leaf springs.
  • the windshield wiper assembly of the present invention includes a pair of leaf springs bent to a predetermined curvature; A bracket disposed at a central portion of the pair of leaf springs to support the pair of leaf springs in parallel with each other; A wiper blade supported between the pair of leaf springs; And spoilers disposed on both sides of the bracket and coupled to the pair of leaf springs, wherein the spoiler is made of a deformable material and is deformed according to a change in curvature of the pair of leaf springs. And a hard part coupled to an end of the pair of leaf springs, the hard part being formed of a hard material so that the ends of the pair of leaf springs can be maintained at regular intervals.
  • the windshield wire assembly of the present invention comprises a pair of leaf springs supported generally parallel to each other; A wiper blade supported between the pair of leaf springs; And a spoiler surrounding the pair of leaf springs and extending along the longitudinal direction of the leaf spring, the spoiler having a lower height toward the end of the leaf spring.
  • the windshield wiper assembly of the present invention is to provide a windshield wiper assembly in which the spacing between a pair of leaf springs is kept constant.
  • the windshield wiper assembly of the present invention has an effect that can prevent the leaf spring is twisted.
  • the windshield wiper assembly of the present invention includes a spoiler made of a portion coupled to the end of the pair of leaf springs, there is an effect that can prevent the gap between the ends of the pair of leaf springs.
  • the windshield wiper assembly of the present invention is easy to replace the wiper blade.
  • the windshield wiper assembly of the present invention can wind smoothly over the spoiler encountered during high-speed driving of the vehicle, there is an effect that can prevent the generation of wind noise.
  • FIG. 1 is a perspective view of the combination of the windshield wiper assembly according to an embodiment of the present invention
  • FIG. 2 is an exploded perspective view of the windshield wiper assembly shown in FIG. 1;
  • FIG. 3 is a plan view (a), side view (b) and bottom view (c) of the windshield wiper assembly shown in FIG.
  • FIG. 4 is a cross-sectional view taken along the line A-A of FIG.
  • FIG. 5 is a cross-sectional view taken along the line C-C of FIG.
  • FIG. 6 is a partial side cross-sectional view of FIG. 1;
  • FIG. 7 is a cross-sectional view taken along line B-B of FIG. 1.
  • FIG. 1 is a perspective view of the combination of the windshield wiper assembly 100 according to an embodiment of the present invention
  • Figure 2 is an exploded perspective view of the windshield wiper assembly 100 shown in Figure 1
  • Figure 3 is a wind shown in Figure 1 Top view (a), side view (b) and bottom view (c) of shield wiper assembly 100.
  • the windshield wiper assembly 100 includes a pair of leaf springs 10 and a pair of leaf springs which are spaced apart from each other and supported in substantially parallel. 10, a wiper blade 30 supported between the pair of leaf springs 10, and a bracket 50 for supporting the bracket 50, and coupled to the pair of leaf springs 10, respectively. And a spoiler 110 that becomes.
  • the spoiler 110 presses the leaf spring 10 by the wind pressure acting when the vehicle travels, so that the wiper blade 30 is in close contact with the windshield without lifting.
  • the spoiler 110 is made of a soft material deformable and extends along the longitudinal direction of the pair of leaf springs 10 and a pair of leaf springs that are made harder than the soft portion 40. And a hard portion 70 that maintains at regular intervals between the ends of 10).
  • the soft part 40 is made of a material that can be deformed so that deformation can be made in response to the curvature change of the leaf spring 10.
  • the deformable material include natural or synthetic rubber.
  • the hard part 70 is coupled to the ends of the pair of leaf springs 10 so that the ends of the pair of leaf springs 10 do not open.
  • the hard part 70 should be formed of a hard material as compared with the soft part 40 so that the end of each leaf spring 10 is fixed at regular intervals.
  • the hard part 70 may be formed by injecting a synthetic resin, in this case, some plastic deformation may be made when a significant amount of external force is applied due to the characteristics of the synthetic resin, but this is in comparison with the deformation of the soft part 40. Will be ignored.
  • the leaf spring 10 Since the leaf spring 10 is bent as a whole, as the curvature is changed elastically by external force, the length of the string, which is a straight line connecting both ends of the leaf spring 10, is changed, and the wiper blade 30 is windshielded. Press to close contact with. Since the soft portion 40 is made of a deformable material, the curvature of the leaf spring 10 can be smoothly changed, but even in this case, the spacing between the ends of the pair of leaf springs 10 must be kept constant. Therefore, the hard parts 70 made of a hard material are coupled to the ends of the pair of leaf springs 10. Therefore, not only the twisting of the leaf spring 10 is prevented, but also the wiper blade 30 is stably supported without being separated between the pair of leaf springs 10.
  • the soft part 40 and the hard part 70 may be integrally formed.
  • the method of integrally molding two or more elements made of different materials may be variously implemented. For example, first forming the hard part 70, which is an injection molding, and then inserting the hard part 70 in a predetermined mold for molding the soft part 40, and then filling the molten resin in the mold, and melting the molten resin. After the resin is hardened, the spoiler 110 in which the soft part 40 and the hard part 70 are integrally formed may be formed by removing the mold.
  • the wiper blades 30 are supported between the pair of leaf springs 10.
  • the wiper braid 30 has an upper end inserted into the spoiler 110, and the lower end protrudes out of the spoiler 110 to be in close contact with the windshield. More specifically, the wiper blade 30 forms a base portion 32 inserted into the spoiler 110 and a support groove 33 into which the leaf spring 10 is inserted between the base portion 32. It may include a support 35, a blade 34 for wiping the windshield, and a hinge 36 for connecting the support 35 and the blade 34.
  • the support groove 33 is formed long along the longitudinal direction of the spoiler 110, and a pair is provided and fastened to the inner side of the leaf spring 10, respectively.
  • the base part 32 is prevented from being separated out of the spoiler 110 by being caught between the pair of leaf springs 10.
  • a predetermined space for accommodating the base part 32 should be secured inside the spoiler 110.
  • the blade 34 When the windshield wiper assembly 100 pivots along the surface of the windshield, the blade 34 is elastically curved about the hinge portion 36 according to the bending of the windshield or the uneven state of the surface. The close contact between the part 34 and the windshield is maintained.
  • the wiper blade 30 may be formed of a flexible material such as soft plastic and natural / synthetic rubber so that the wiper blade 30 may be deformed according to the bending of the windshield.
  • the soft part 40 includes a pair of leaf spring fastening portions 42 fastened to the pair of leaf springs 10, respectively.
  • Each leaf spring fastening portion 42 may be formed with an insertion groove 45 into which the outer side of the leaf spring 10 is inserted.
  • the soft part 40 may include a deformable part 44 which is deformed by wind pressure acting while driving the vehicle, and the leaf spring fastening part 42 may be formed at both ends of the deformable part 44, respectively.
  • the deformable portion 44 may include a first wind pressure action surface 44a on which wind pressure acts, and a second wind pressure action surface 44b.
  • the first wind pressure working surface 44a and the second wind pressure working surface 44b form a gradient in opposite directions to each other.
  • the deformable portion 44 When the wind travels over the deformable portion 44 while driving the vehicle, the deformable portion 44 is deformed by the difference in the wind pressure acting on the first wind pressure acting surface 44a and the second wind pressure acting surface 44b, and the wiper The pressure that the blade 30 exerts on the windshield is increased. Therefore, the wiper blade 30 can be in close contact with the windshield without lifting.
  • the first wind pressure acting surface 44a and the second wind pressure acting surface 44b form a curved surface of the indented shape to secure a wide area to which wind pressure acts, as well as a pair of leaf spring fastening portions by external force. (42)
  • the gap is about to open, it is elastically deformed together. Accordingly, the elastic force is applied in the direction in which the pair of leaf spring fastening portions 42 approach each other by the first wind pressure action surface 44a and the second wind pressure action surface 44b.
  • bracket 50 allows the pair of leaf springs 10 to be supported in parallel at regular intervals.
  • a wiper arm (not shown) is connected to the bracket 50 so that the windshield wiper assembly 100 moves along the windshield according to the movement of the wiper arm.
  • FIG. 7 is a cross-sectional view taken along line B-B of FIG. 1.
  • fixing tabs 54 for fixing the leaf spring 10 are formed on both sides of the lower end of the bracket 50, and fixed to each leaf spring 10.
  • a fixing slot 14 is formed into which the tab 54 is inserted.
  • the fixing tab 54 is bent inward while surrounding the outer side of the leaf spring 10, and an end thereof is inserted into the fixing slot 14.
  • the fixing tabs 54 are formed in pairs on both sides of the bracket 50, respectively, and a pair of fixing slots 14 are formed in the leaf springs 10.
  • a pressure distribution tab 56 is formed between the pair of fixing tabs 54 at both lower ends of the bracket 50, and each of the leaf springs 10 has a positioning hole in which the pressure distribution tabs 56 are accommodated. 16 is formed. The curvature of the leaf spring 10 changes according to the pressure exerted by the pressure dissipation tab 56, so that the wiper blade 30 may always be in close contact with the windshield.
  • the spoiler holder 60 fixes the spoiler 110, and spoiler fixing parts 62 may be formed on both sides of the spoiler holder 60, respectively.
  • the center portion of the spoiler holder 60 is formed by cutting, the fastening between the bracket 50 and the leaf spring 10 is made through the cut center portion.
  • the upper portion of the spoiler holder 60 is in contact with both sides of the bracket 50, the lower portion is extended to a sufficient length to cover the fastening structure of the bracket 50 and the leaf spring 10 to form a cover (65).
  • the cover 65 is bent outward from the top of the spoiler holder 60 so as to cover up to the fixing tab 54 formed in the bracket 50 and extended downward.
  • a pair of bracket seating tabs 64 are formed between the pair of spoiler fixing parts 62 to be spaced apart from each other.
  • the pair of bracket seating tabs 64 are each disposed between both sidewalls 58 of the bracket 50.
  • Each of the positioning holes 16 formed in the pair of leaf springs 10 after the pressure distribution tabs 56 and the securing tabs 54 formed in the bracket 50 are inserted into the spoiler holder 60. And fixing slots 14 can be inserted.
  • cover 65 bent inward is formed on both lower ends of the spoiler holder 60.
  • the cover 65 wraps the central portion of the pair of leaf springs 10 and simultaneously wraps each of the soft portions 40 and the pressure distribution tabs 56 formed in the bracket 50.
  • the hard part 70 is coupled with the ends of the pair of leaf springs 10.
  • a groove 18 is formed at the end of the leaf spring 10, and a detent inserted into the groove 18 may be formed in the hard part 70.
  • the groove 18 is preferably formed to a sufficient length so that the end of the leaf spring 10 can be displaced in accordance with the change in curvature of the leaf spring 10 in the state that the detent is inserted.
  • the groove 18 shown in FIG. 2 is formed by cutting the edge of the leaf spring 10.
  • both ends of the leaf spring 10 in the state in which the hard part 60 is coupled to the leaf spring 10 are illustrated.
  • a slot may be formed in the leaf spring 10 instead of a groove, and in this case, the slot can be displaced within a predetermined distance while being inserted into the slot. The length of can be determined.
  • FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1
  • FIG. 5 is a cross-sectional view taken along line C-C of FIG. 1
  • FIG. 6 is a partial side cross-sectional view of FIG.
  • the height of the spoiler 110 is gradually lowered toward the end side of the leaf spring 10.
  • the soft part 40 may include a connection surface 44c connecting between the first wind pressure action surface 44a and the second wind pressure action surface 44b, and the height of the connection surface 44c is the spoiler 110. On the basis of the state that is fastened to the leaf spring 10, it may be gradually lower toward the end side of the leaf spring (10).
  • At least one of the first wind pressure action surface 44a and the second wind pressure action surface 44b may be formed to have a narrower width toward the end side of the leaf spring 10. (a1> a2)
  • connection surface 44c may become wider toward the end side of the leaf spring 10 based on the state in which the spoiler 110 is fastened to the leaf spring 10. More specifically, the distance between the boundary S1 between the connection surface 44c and the first wind pressure action surface 44a and the boundary S2 between the connection surface 44c and the second wind pressure action surface 44b are determined. The distance toward the end side of the spring 10 may be farther away. (b2> b1)
  • the wind encountered during high-speed driving of the vehicle can smoothly ride over the end of the spoiler 110, thereby preventing the flutter of the spoiler 110 and the noise caused by it, the wiper blade 30 is stably along the surface of the windshield Allow turning to work.
  • the soft part 40 may be formed in a step with an adjacent portion of the receiving part 46 in which the hard part 70 is accommodated. . 3C and 4, the soft portion 40 shown in FIG. 4 has a width d on both sides of the accommodating portion 46 in which the hard portion 70 is accommodated inward from each other.
  • S2 may be clearly distinguished as shown in FIGS. 1, 4, 6, and the like, but alternatively from the connection surface 44c to the first wind pressure working surface 44a or the second wind pressure working surface 44b. Even if the pattern changes continuously, when a number of lines are drawn to pass through each of the surfaces 44a, 44b, 44c, the inflection point according to the gradient change of the surfaces 44a, 44b, 44c on each of the lines In this case, by connecting these inflection points, a first boundary and a second boundary can be defined.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Abstract

L'invention concerne un ensemble essuie-glace de pare-brise comprenant : une paire de ressorts à lames qui sont supportés généralement pour être parallèles ; une raclette qui est supportée entre les ressorts à lames ; et un déflecteur qui est relié à la paire de ressorts à lames de sorte que la raclette soit placée en contact étroit avec le pare-brise sous l'action de la pression du vent lorsque le véhicule est en marche, ce déflecteur comprenant une partie en matériau mou qui est réalisée dans un matériau malléable de manière à être allongée dans la direction longitudinale de la paire de ressorts à lames, ainsi qu'une partie en matériau dur qui est réalisée dans un matériau dur, comparativement à la partie en matériau mou, de manière à maintenir une distance constante entre des parties d'extrémité de chacun des ressorts à lames.
PCT/KR2012/007616 2011-09-21 2012-09-21 Ensemble essuie-glace de pare-brise Ceased WO2013042997A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0095351 2011-09-21
KR1020110095351A KR101387135B1 (ko) 2011-09-21 2011-09-21 윈드쉴드 와이퍼 어셈블리
KR1020110095352A KR101318353B1 (ko) 2011-09-21 2011-09-21 윈드쉴드 와이퍼 어셈블리
KR10-2011-0095352 2011-09-21

Publications (2)

Publication Number Publication Date
WO2013042997A2 true WO2013042997A2 (fr) 2013-03-28
WO2013042997A3 WO2013042997A3 (fr) 2013-07-04

Family

ID=47915038

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/007616 Ceased WO2013042997A2 (fr) 2011-09-21 2012-09-21 Ensemble essuie-glace de pare-brise

Country Status (1)

Country Link
WO (1) WO2013042997A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105984435A (zh) * 2015-02-16 2016-10-05 厦门福来德汽配有限公司 雨刷接头
US9925957B2 (en) * 2012-12-11 2018-03-27 Qinghuai Shen Windscreen wiper strip support and windscreen wiper blade having same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3131905B2 (ja) * 1990-11-19 2001-02-05 三菱化学株式会社 リチウム電池用電解液の難燃化剤
US20100064468A1 (en) * 2006-12-07 2010-03-18 Dong Hun Kang Flat wiper blade for the vehicle
KR20080093335A (ko) * 2007-04-16 2008-10-21 동양기전 주식회사 자동차 유리 세척용 블레이드 조립체
KR200445232Y1 (ko) * 2007-06-21 2009-07-10 에이디엠이십일 주식회사 스포일러 부재 및 이를 구비한 와이퍼 블레이드
KR100988456B1 (ko) * 2008-11-26 2010-10-20 김인규 와이퍼 블레이드

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9925957B2 (en) * 2012-12-11 2018-03-27 Qinghuai Shen Windscreen wiper strip support and windscreen wiper blade having same
CN105984435A (zh) * 2015-02-16 2016-10-05 厦门福来德汽配有限公司 雨刷接头

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