CN100584673C

CN100584673C - Device for the pivoting connection of a wiper blade to a wiper arm of a windscreen wiper

Info

Publication number: CN100584673C
Application number: CN200580047679A
Authority: CN
Inventors: E·金纳尔特; H·比伦
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2005-02-03
Filing date: 2005-12-12
Publication date: 2010-01-27
Anticipated expiration: 2025-12-12
Also published as: CN101111415A

Abstract

The present invention relates to a device (10) which is used to hinged connect the wiper blade (14) to the wiper arm (12) of the water scraper of the windscreen, the device includes the connecting components (52, 84, 100) which are permanently connected with the wiper arm (12) and a conjunction component (24) which are permanently connected with the supporting component (20) of the wiper blade (14), the conjunction component supports the bearing component (32) which forms the turntable bearing with the bearing component (34) on the adapter pieces (38, 80) that is made of plastic, wherein the adapter pieces (38, 80) is fixed by the clip locking pieces (40, 78, 82) and the fixing pieces (62, 64, 86, 90, 104) in the outline of the connecting components (52, 84, 100) which opens to the conjunction component (24). The invention has the following suggestions: the connecting components (52, 84, 100) are the basic rectangular hollow objects which are open at the side surface facing to the conjunction component (24), and the longitudinal side surface of the hollow objects is molded with a fastener (60) which covers the longitudinal side surface and is fixed to the end part of the wiper arm (12); besides at least the side wall (54, 56) and the top wall (58) of the connecting components (52, 100) are basically closed.

Description

Swept area of wiper blade and screen wiper scraped hingedly bonded assembly device of water arm

Technical field

The present invention relates to a kind of swept area of wiper blade and screen wiper be scraped hingedly bonded assembly device of water arm.

Background technology

From the known this device of WO 02/40328A1.The engagement member, plastics adapter (Adapter) that this device comprises steel plate chuck form with scrape the transom that the water arm is captiveed joint.This engagement member is fixed on by chuck and/or welding on the supporting member of swept area of wiper blade of two resilient rail that extend in parallel (Federschienen) form.This supporting member has the shape of cross section of U-shaped, and wherein sidewall approximately bends up 90 ° from supporting member from the bottom parts that is adjacent to supporting member.Be provided with opening in sidewall, the antitorque commentaries on classics of bearing bolts ground inserts in the opening.The adapter that is laterally led between the sidewall of engagement member can be rotated to support on the bearing bolts by hub.Adapter has locking mechanism and fixed mechanism, by their adapters snap onto transom in the profile that swept area of wiper blade opens wide.Under the state that has assembled, transom snaps into the sidewall of adapter and engagement member from the outside.In scraping the water process, scrape under the situation of relative motion between water arm and the swept area of wiper blade, between the lateral surface of the medial surface of transom and engagement member, may come in contact.Because it is metal that these two parts are normally used, can increase friction in this case, thereby can damage corrosion protection.

Early stage patent application DE 103 47 637.1 has proposed to be used for swept area of wiper blade and has scraped the allied equipment that the water arm is articulated and connected.Stringer board in the middle of the engagement member of its light plate chuck form has, stringer board is inserted in this stringer board to the antitorque commentaries on classics of the S. A. of horizontal expansion outside the supporting member sensing of swept area of wiper blade.Adapter can be rotated to support on respect on the unsettled S. A. that stretches out in stringer board both sides by the bearing hole in the reed (Federzunge) that is arranged on the side.Adapter made of plastic surrounds the steel plate chuck from the outside, and snaps onto in the transom that Windshield Wiper opens wide by latch piece and connecting element, this transom with scrape the water arm and captive joint.Adapter on the one hand by the in-to-in guide plate steel plate chuck upper side be directed to, it is seamlessly put in the transom on its sidewall again on the other hand.The plastics adapter breaks away from transom and engagement member thus, thereby has guaranteed excellent corrosion resisting performance and very little loss due to friction.

Summary of the invention

According to the present invention, described transom is to be (quaderfoermig) hollow body of rectangle substantially, and this hollow body is opening wide on the side of engagement member, and is molded with fastener on its longitudinal side.This fastener covers in the longitudinal side of rectangle hollow body, and is fixed on the end of scraping the water arm.The end wall of described at least transom and roof are osed top basically in addition, wherein said device has housing, this housing is connected with adapter or with transom by sidewall, and covers in the longitudinal side of the subordinate of transom, and extends on the roof of transom at least in part.Adapter is embedded in the rectangle hollow body, this adapter has the rectangle exterior contour of accurate cooperation, and surround engagement member from the outside, thus adapter in fact seamlessly is directed in transom, and will be delivered on the swept area of wiper blade effectively by scraping the power that the water arm applies.

A kind of preferred embodiment in, the longitudinal side that is positioned at the opposite of fastener is opened wide.Here be furnished with at least one connecting element aptly, but two of preferred arrangements are the connecting element of two lateral brackets (Seitenwinkel) form, these connecting elements are installed on the end wall of transom, wherein lateral bracket is positioned at the plane of unlimited longitudinal side, thereby the latch piece on the subordinate longitudinal side of adapter may be locked on this lateral bracket.Be positioned on the longitudinal side on opposite, adapter abuts on the analog bracket (Haltewinkel), and this analog bracket is fixed adapter on the direction of swept area of wiper blade with its straight end of exhibition simultaneously.Wherein, this analog bracket can surround the lower edge of this adapter, or is embedded in the groove of this adapter.

The longitudinal side of opening wide that is thus connected member is sealed by the longitudinal wall of the subordinate of adapter.The unlimited longitudinal side of transom makes the latch piece of adapter be convenient to operate when demolition.In addition, device according to the present invention has realized scraping the favourable connection of water arm to swept area of wiper blade, particularly on transom in the zone of roof, and in the endwall region of scraping the water arm dorsad of transom.These zones are particular importance when screen wiper moves downward, because owing to there is such danger in current: the residue rainwater is drawn on the windshield of getting back to scraping by screen wiper.This structural scheme freely by apparatus of the present invention can be eliminated this shortcoming.So just can avoid in an advantageous manner when rainy, may compiling the dead angle that remains rainwater.The flow-disturbing member is set on the roof of this external transom also to suit, this flow-disturbing member is supported the flow-disturbing effect of swept area of wiper blade spoiler on the one hand, current in this zone can be led away from windshield again on the other hand, thereby not fall on the windshield by the rainwater that current are taken away.

The flow-disturbing member can be the whole component part of the roof of transom, but also can be molded on housing, and this housing for example covers in the longitudinal side of opening wide of transom for apparent consideration, and hides the latch piece on the adapter thus.So housing is born structure function simultaneously.Housing can or be fixed on the transom, perhaps is fixed on the adapter, for example by on the lateral bracket that snaps onto transom, or is fixed on by stop pin in the lock hole of adapter.Housing can rotatably be connected with the lateral bracket of transom or with adapter by hinge in addition.In this case, housing snaps onto down in the latch piece on the transom in off position.

Except structure function, housing also has dynaflow function and fixed function.Under first kind of situation, housing overlaps the roof of transom at least in part, and wherein the part of the overlap joint of housing is constructed to the flow-disturbing member, perhaps carries independent flow-disturbing member.Supported the flow-disturbing function of swept area of wiper blade spoiler thus, and the driving wind in device of the present invention zone is led away by windshield.So just avoid or reduced at least when screen wiper moves downward water is drawn on the vehicle glass of getting back to scraping.If housing is fixed on the adapter with its sidewall, then it is fixed together adapter and transom simultaneously as clips.

The longitudinal side of adapter is provided with at least one latch piece, and two latch pieces preferably are set.These latch pieces outwards hide by housing.For in that close can be for dismantling the operation sheet latch fitting under the situation of housing, housing is provided with button, and this button affacts on the latch piece, and unclamps latch piece when handling.

Button also can be arranged on the end face of adapter, and snaps onto in the button openings in the end wall of transom.Just bear the function of latch piece simultaneously at this button.On the end wall that is positioned at the opposite of transom analog bracket is installed, this analog bracket blocks adapter with its straight end of exhibition from below, and fixing on the direction of swept area of wiper blade.

The rotatably mounted thereon engagement member that adapter arranged has the side plate from bottom parts aptly respectively on its longitudinal side, this side plate is aimed at adapter.Side plate interconnects by axle sleeve, and rotatably mounted in axle sleeve have a pivot pin.This structure has constituted wide support base, and the good lateral guide that swept area of wiper blade is provided thus to.Pivot pin is connected with the antitorque commentaries on classics of adapter ground in its end aptly, for example by force fit or advantageously by form fit, promptly in its end the form fit member is set.This for example can be that the serration groove connects or polygonal cross-sectional plane.

Description of drawings

Other advantages can be from below in conjunction with learning the description of the drawings.Accompanying drawing shows some embodiments of the present invention.Accompanying drawing, explanation and claim contain a large amount of assemblage characteristics.The professional and technical personnel also can reasonably, individually investigate these features and be generalized into other useful combinations.

Accompanying drawing illustrates:

The mounted transparent view of Fig. 1 according to device of the present invention;

Fig. 2 is according to the exploded view of device of the present invention;

The transparent view that Fig. 3 housing shown in Figure 2 is seen from another direction;

A kind of flexible program of Fig. 4 Fig. 1;

The exploded view of the flexible program of Fig. 5 Fig. 4;

The flexible program of Fig. 6 Fig. 1 has the housing that can cover.

The specific embodiment

Swept area of wiper blade 14 by install 10 with scrape water arm 12 and hingedly be connected.Swept area of wiper blade 14 comprises that 18 and one of wiper strips (Wischleiste) are the supporting member 20 of two resilient rail forms that extend in parallel, and are fixed with a spoiler 16 on two resilient rail.In the window 22 of spoiler 16, engagement member 24 is captiveed joint with supporting member 20.This can realize by welding and/or chuck 28.

Engagement member 24 has a base plate, is molded with chuck 28 on this base plate, and side plate 30 stretches out from this chuck, and this side plate 30 is from supporting member 20 with respect to base plate 26 crooked about 90 ° and extend.Side plate 30 is supported with axle sleeve 32.Rotatably mounted in this axle sleeve have a pivot pin 34.Stretch out to the end sides of pivot pin 34, and have form fit member 36 from axle sleeve 32, pivot pin 34 by the antitorque commentaries on classics of these form fit members be inserted in the hole 46 of adapter 38.

Adapter 38 has a rectangular outer profile.A longitudinal side is provided with the latch piece 40 of two flap form, and this latch piece has the protruding nose 42 of kayser.Adapter is inserted into the transom 52 from that side of swept area of wiper blade 14, and this transom tool is the hollow body of rectangle substantially, and accurately abuts in ordinatedly on the exterior contour of adapter 38 with profile in it.Transom 52 is an osed top on its roof 58 and end wall 54 and 56.On a longitudinal side of transom 52, be molded with a fastener 60, it hide this longitudinal side and on an end with scrape water arm 12 and captive joint.On described longitudinal side, roof 58 is provided with an analog bracket 64, and this analog bracket is configured to bandy, and towards swept area of wiper blade 14 that adapter 38 is fixing.Analog bracket 64 is rabbeted in the corresponding recesses of adapter 38 for this reason, or surrounds the lower edge of adapter 38.The longitudinal side that is positioned at fastener 60 opposites is can osed top, but it opens wide in the embodiment shown.On described longitudinal side, transom 58 has two lateral brackets 62, and they stretch out from

end wall

54,56 respectively, and when assembling, the protruding nose 42 of the kayser of latch piece 40 is connected on these two lateral brackets and with its stop surface 44 and reclines mutually.When dismounting, the protruding nose 42 of kayser can inwardly be pushed back, so adapter 38 is taken out from transom 52.Analog bracket 64 can outwards be pushed back by the opening 66 in the fastener 60 in case of necessity.

Fastener 60 flushes the ground locking with roof 58, so can not ponding on transition region.In addition, fastener 60 is roundings towards front bulkhead 54, thereby make air-flow produce shunting on the direction of spoiler 16, so on the windshield of having avoided water to be drawn getting back to scraping.In addition, at the roof 58 of transom 52 a flow-disturbing member 70 can be set, this flow-disturbing member can be used as independent parts captives joint with roof 58, or the single-piece component part of transom 52.On the one hand, supported the flow-disturbing effect of spoiler 16 again air-flow to be drawn away on the other hand from windshield by this flow-disturbing member 70, water is drawn the situation of getting back on the windshield and is weakened thus.

Flow-disturbing member 70 also can be a component part with adapter 38 or the housing 68 that links to each other with transom 52.For this reason, in Fig. 1 to Fig. 3 embodiment, be provided with two stop pins 74 on a sidewall 72 of housing 68, they insert in two lock holes 48 of adapter 38.This carries out after adapter 38 is put into transom 52, thereby the sidewall 72 of housing 68 covers in the latch piece 40 of adapter 38, and flow-disturbing member 70 then covers the roof 58 of transom 52 at least in part.Housing 68 is also born the fixed function that adapter 38 relative transoms 52 are fixed except its structure function and diversion function thus.Stop pin 74 can be inserted in the lock hole 48 by the longitudinal side of opening wide of transom 52.Under longitudinal side osed top situation, can in the sidewall of transom 52, be provided with and stop pin 74 corresponding openings.In the scope of the lateral bracket 62 of transom 52, housing 68 has corresponding grooves 76.For housing 68 is connected with transom 52, advantageously housing 68 is snapped on the lateral bracket 62.

In order to handle the latch piece 40 on the sidewall 50 of adapter 38, housing 68 can have button 78, and this button is from peripheral operation, and affacts (Fig. 4) on the latch piece 40.When housing 68 is connected with transom 52, can be arranged in button 78 on the adapter 38, and be embedded into by button 78 in the respective openings of subordinate sidewall of housing 68 and/or transom 52, bear the function of latch piece.

Latch piece 40 on adapter 38 longitudinal side can replace or additional (Fig. 5) by the button on the end face of adapter 38 82.This button is embedded in the corresponding button opening 86 in the subordinate end wall 54 of transom 84, then is provided with analog bracket 90 on the end wall 56 that is positioned at the opposite, and this analog bracket blocks adapter 80 from below, or is embedded in the corresponding grooves of adapter 80.So transom 84 has lateral bracket 88 towards the longitudinal side of opening wide, this lateral bracket guides adapter 80 on this longitudinal side.

Fig. 6 illustrates a kind of embodiment, the housing 102 that wherein has a flow-disturbing member 110 round hinge 106 rotatably being supported on the direction of arrow 108 on

adapter

38,80 or the transom 100, for example on lateral bracket 104.Transom 100 has latch piece 112 on its roof or on its longitudinal wall, and housing 102 is locked in closed condition by this latch piece.

Claims

1. be used for swept area of wiper blade (14) and screen wiper scraped hingedly bonded assembly device (10) of water arm (12), this device comprises and scrapes the transom (52 that water arm (12) is captiveed joint, 84,100) with the engagement member (24) of captiveing joint with the supporting member (20) of swept area of wiper blade (14), this engagement member is supporting bearing components (32), this bearing components and the bearing components (34) on the adapter (38,80) that plastics are made constitute turntable bearing, wherein said adapter (38,80) at transom (52,84,100) in the profile that opens wide towards engagement member (24) by latch piece (40,78,82) and connecting element (62,64,86,90,104) fix, it is characterized in that described transom (52,84,100) be the hollow body of rectangle, this hollow body is opening wide on the side of described engagement member (24), and is molded with fastener (60) on the longitudinal side of this hollow body, and this fastener hides this longitudinal side and is fixed on the end of scraping water arm (12); And described transom (52,84,100) is end wall (54 at least, 56) and roof (58) be osed top, wherein said device has housing (68,102), this housing by sidewall (72) and adapter (38,80) or with transom (52,84,100) connect, and cover in transom (52,84, the longitudinal side of subordinate 100), and go up at the roof (58) of transom (52,84,100) at least in part and extend.

2. according to the described device of claim 1 (10), it is characterized in that, described adapter (38,80) have the rectangular outer profile and also surround engagement member (24) outside, wherein adapter (38,80) can be inserted into transom (52 from that side of swept area of wiper blade (14), 84,100) in, and on longitudinal side, has the latch piece (40) that at least one is with the protruding nose of kayser (42), this latch piece is locked in transom (52 on connecting element (62), on the longitudinal side of opening wide of subordinate 84,100), and be positioned on the longitudinal side on opposite, analog bracket (64) is fixed adapter (38,80) towards the direction of swept area of wiper blade (14).

3. according to the described device of claim 2 (10), it is characterized in that two latch pieces (40) are the connecting element combined action of two lateral brackets (62) form with two, these two connecting elements are arranged on the end wall (54,56) of transom (52).

4. according to the described device of aforementioned claim 1 (10), it is characterized in that, it is described that (engagement member of 26)s (24) has side plate (30) respectively on its longitudinal side from bottom parts, this side plate is aimed at adapter (38,80), and interconnect by axle sleeve (32), rotatably mounted in this axle sleeve have a pivot pin (34).

5. according to the described device of claim 4 (10), it is characterized in that the sidewall (50) of described pivot pin (34) antitorque commentaries on classics ground and adapter (38,80) in its end connects.

6. according to the described device of claim 5 (10), it is characterized in that described pivot pin (34) has form fit member (36) in its end, this form fit member embeds and/or is squeezed in the opening (46) of sidewall (50) of adapter (38).

7. according to the described device of claim 1 (10), it is characterized in that the roof (58) of described transom (52,84,100) is provided with flow-disturbing member (70,110), this flow-disturbing member extends on the longitudinal direction of swept area of wiper blade (14).

8. according to the described device of claim 1 (10), it is characterized in that described housing (68) has the stop pin (74) of inside orientation on its sidewall (72), this stop pin is embedded in the lock hole (48) of adapter (38).

9. according to the described device of claim 1 (10), it is characterized in that described housing (68) is stuck on the lateral bracket (62) of transom (52).

10. according to the described device of claim 1 (10), it is characterized in that, described housing (102) rotatably is connected with the lateral bracket (104) of transom (100) by hinge (106), and by locking mechanism (112) on roof (58) and transom (100) locking.

11. according to the described device of claim 1 (10), it is characterized in that, the sidewall (72) of described housing (68) is connected with this adapter on the longitudinal side of adapter (38,80) by hinge (106), and goes up and transom (100) locking at roof (58) by locking mechanism (112).

12. according to each described device (10) in the claim 1 to 11, it is characterized in that described housing (68) has button (78) on longitudinal side, can unclamp latch piece (40) by this button.

13. according to each described device (10) in the claim 1 to 11, it is characterized in that, on described housing (68,102), be molded with flow-disturbing member (70,110).

14. according to each described device (10) in the aforementioned claim 1 to 11, it is characterized in that, described adapter (80) has button (82) on end face, this button snaps onto the end wall (54 at transom (84), 56) in the button openings in (86), and the analog bracket (90) that this adapter is gone up by transom (84) at the end face (54,56) of opposition is fixed.

15. have the swept area of wiper blade (14) of engagement member (24), be used for each described device (10) of aforementioned claim 1 to 11.

16. what have transom (52,84,100) scrapes water arm (12), is used for each described device of claim 1 to 11.

17. in its longitudinal wall, have the adapter (38,80) of locking mechanism (40,78,82) and opening (46), be used for each described device of claim 1 to 11.