CN1984803A

CN1984803A - Flat wiper blade, in particular for motor vehicles

Info

Publication number: CN1984803A
Application number: CNA2005800233462A
Authority: CN
Inventors: J-C·蒂埃纳尔
Original assignee: Valeo Systemes dEssuyage SAS
Current assignee: Valeo Systemes dEssuyage SAS
Priority date: 2004-06-03
Filing date: 2005-05-31
Publication date: 2007-06-20
Also published as: FR2871127A1; EP1755931A1; FR2871127B1; BRPI0511747A; WO2005118363A1

Abstract

The invention relates to a flat wiper (1), in particular for a motor vehicle windscreen wiper device, wherein said flat wiper (1) comprises a connecting element (10) which connects the flat wiper (1) and is provided with a housing and a rail embodied therein, two mounting members (20, 21) provided with a housing (22, 23) and a rail (24, 25) arranged therein and connected to a housing (11) and the rail (12) of the connecting element (10), respectively, an elastically deformable vertebra (30) placeable inside the housings (11, 22, 23) of the connecting element (10) and of each mounting element (20, 21) and a wiping blade (40) which comprises a heel (41) nested inside the rails (12, 24, 25) of the connecting element (10) and of each mounting element.

Description

Be particularly useful for the flat wiper blade of self-propelled vehicle

Technical field

[01] the present invention relates to flat strigil brush, English is commonly referred to " flat blade " formula.

[02] the present invention particularly advantageously but be applied to the strigil field of self-propelled vehicle without limitation.

Background technology

[03] for the straight brush of great majority of current use, flat wiper blade has the feature of not being furnished with the equilibrium arm framing member.This strigil of new generation brush is furnished with a flexible scraping blade usually, and still, externally reinforced that is used to support it is substituted to the flexible structure spare on the scraping blade by direct mount here.

[04] in this flat wiper blade, wiper blade generally is the elastic body profile, and as shown in the figure, it comprises and is used for a lip that directly cooperates with waiting to wipe surperficial moving contact and forms an interfacial root between described lip and flexible structure spare.

[05] flexible structure spare itself is made of two deformable elastic tongue pieces usually, and described tongue piece is vertically installed in each surface of scraping blade respectively.Each tongue piece---be commonly referred to the class vertebral member, be used for uniform distribution bearing pressure on the whole length of scraping blade, so that the best in qualityization of wiping.These tongue pieces are metallo-traditionally.

[06] wiper blade and two class vertebral member link together by a transom usually, and described transom also is used for flat wiper blade is installed in a relevant driver train.For this reason, transom is furnished with clamping element usually, and described clamping element clamps two class vertebral member at the middle section place of flat wiper blade.For guaranteeing the degree of stability of assembly parts, transom must have big rigidity, therefore, generally makes with Zamak alloy.

[07] still, this strigil brushing tool has the extra high defective of cost.In fact flat wiper blade is positioned to high-grade products according to the technology of itself at the very start from it, and is positioned to the once mounting product according to its research and development situation.Therefore, the flat wiper blade of prior art generally is made up of the special-purpose often basic building block of especially size aspect consideration application.

[08] therefore, in order to make the flat wiper blade of a whole set of change in size, must develop a plurality of identical components with different length.This means and will use many instruments, but also must a plurality of bench marks of control.The a large amount of different instruments of design and use, obviously cost is high especially.The increase of bench mark also increases to this aspect control, in addition, also be potential error source inevitably.

Summary of the invention

[09] like this, the technical matters that the present invention is intended to solve is the flat wiper blade that proposes to be particularly useful for the self-propelled vehicle scratch device, can avoid prior art problems, and cost is not too high basically, and is compatible with the application of secondary installing formula fully.

[10] according to the present invention, the solution of the technical matters of existence is that flat wiper blade comprises:

[11]-one transom, it is used to connect flat wiper blade, wherein is furnished with a seat chamber and the guide rail at its both ends opening that runs through,

[12]-two installation component, it is positioned at the both sides of transom, is furnished with a chamber and a guide rail in each installation component, and described guide rail is connected with the guide rail of seat chamber and described transom respectively,

[13]-one the class vertebral member of elastic deformation, it is installed in the corresponding seat chamber of transom and each installation component, and described seat chamber becomes a continuous straight line basically,

[14]-one wiper blade, it has a root, and described root is inlaid in the corresponding guide rail of transom and each installation component, and described guide rail becomes a continuous straight line basically.

[15] preceence of the present invention that for example so limits is that be made up of a plurality of limited members, its profile is fairly simple, and it makes also economical especially, and it is installed also and greatly simplifies.All these help to make flat wiper blade of the present invention greatly to reduce on cost than strigil brush of the prior art.

[16] this relates to scraping blade and/or class vertebral member and/or installation component, and most of component part of flat wiper blade of the present invention has the profile that relatively is linear.This feature has two big preceences basically.

[17] first preceences relate to the high-mobility, multipurpose, wheeled vehicle of this profile, obviously, as long as select either large or small part, implement new bench mark with regard to being easy to from being linear identical components substantially.This greatly simplifies the especially necessary instrument of manufacture method.

[18] second preceences are, especially for injection moulding is extrusion process, can use economic especially method to make most of parts of flat wiper blade.

[19] therefore, can realize flat wiper blade cheaply fully, thereby be particularly suitable for carrying out secondary installing.Purpose is, makes this strigil brush carry out best setting on a fixed arm, that is to say, and is consistent with the configuration of the current scratch device of the most widely promoting.

[20] the invention still further relates to some features, these features will be better understood in the following description, and should take in respectively or according to its all possible technical combinations.

Description of drawings

[21] with reference to accompanying drawing and non-limiting example, the present invention will be better understood, and accompanying drawing is as follows:

[22] Fig. 1 is the side isometric view of flat wiper blade of the present invention.

[23] Fig. 2 is the exploded drawings of flat wiper blade shown in Figure 1.

[24] Fig. 3 is the longitudinal profile block diagram of the transom of the flat wiper blade shown in Fig. 1 and 2.

[25] Fig. 4 is the longitudinal sectional drawing of the middle body of described flat wiper blade when flat wiper blade is connected with a driver train shown in Fig. 1 and 2.

[26] Fig. 5 is the front elevation of assembly parts shown in Figure 3.

[27] Fig. 6 is the drawing in side sectional elevation of assembly parts shown in Figure 3.

[28] Fig. 7 is the block diagram of an end of flat wiper blade.

[29] Fig. 8 is the exploded drawings of the end of flat wiper blade shown in Figure 7.

[30] Fig. 9 is the longitudinal sectional drawing of the end of flat wiper blade shown in Figure 7.

[31] Figure 10 is a scheme drawing, and first locking member according to one first embodiment is shown.

[32] Figure 11 is the perspective bottom view of being furnished with the transom of first locking member shown in Figure 10.

[33] Figure 12 is the top perspective view of being furnished with according to the transom of first locking member of one second embodiment.

[34] Figure 13 has the drawing in side sectional elevation that is in off-position according to the transom of first locking member of one the 3rd embodiment.

[35] Figure 14 is similar to Figure 13, but first locking member is in control position.

[36] Figure 15 is the top perspective view of being furnished with according to the installation component of second locking member of first embodiment.

[37] Figure 16 illustrates a transom that matches with two installation components shown in Figure 15.

[38] Figure 17 is the longitudinal sectional drawing according to second locking member of second embodiment.

[39] Figure 18 illustrates an end of flat wiper blade, and it is furnished with the 4th locking member according to first embodiment.

The specific embodiment

[40] for clarity sake, identical member uses identical label to indicate.Equally, only illustrate and understand the necessary member of the present invention, and do not consider ratio, and illustrate.

[41] Fig. 1 and 2 illustrates flat wiper blade 1, and it is in particular for equipment self-propelled vehicle scratch device 100.

[42] according to the present invention, flat wiper blade 1 at first is furnished with a transom 10, and it is used to make flat wiper blade 1 to be connected in self-propelled vehicle scratch device 100 (Fig. 4).In addition, as shown in Figure 3, the bottom of passing through transom 10 is vertically arranged at the guide rail 12 of its both ends open in a seat chamber 11 of running through and.

[43] then, flat wiper blade 1 comprises two installation components 20,21 (Fig. 1) that are positioned at transom 10 both sides.It should be noted that each

installation component

20,21 also is furnished with a

seat chamber

22,23 and the

guide rail

24,25 at its both ends open that runs through, the both vertically arranges (Fig. 2).Assembly parts are arranged to, and when flat wiper blade 1 was assembled as shown in Figure 1, the

seat chamber

22,23 of each

installation component

20,21 and

guide rail

24,25 were communicated with the seat chamber 11 of transom 10 and the respective end portions of guide rail 12 respectively.

Must be pointed out that [44] the

seat chamber

22,23 of each

installation component

20,21 is not to run through, and can only have a single opening, it is with respect to 11 location of running through, seat chamber of transom 10, described two chambeies 11; 22,23 substantial alignment ground extensions continuously each other.Equally, the

guide rail

24,25 of each

installation component

20,21 is also not necessarily at its both ends opening.It also can only have an opening, and described opening is this time located described two guide rails 12 with respect to the guide rail 12 of transom 10; 24,25 substantial alignment ground extensions continuously each other.

[45] flat wiper blade 1 also is furnished with the class vertebral member 30 of an elastic deformation, and it is installed in

corresponding seat chamber

11,22,23 interior (Fig. 4 to 7 and 9) of transom 10 and each installation component 20,21.Therefore, align continuously in described

seat chamber

11,22,23, as shown in Figure 1.

[46] flat wiper blade 1 also is furnished with a wiper blade 40, described wiper blade 40 has a root 41, described root 41 is inlaid in the

corresponding guide rail

12,24,25 interior (Fig. 5,6 and 9) of transom 10 and each

installation component

20,21, and described

guide rail

12,24,25 is alignment continuously also.Wiper blade 40 also is furnished with a lip 42, and it is used for waiting to wipe surperficial moving contact and directly cooperating with any.

[47] one feature according to the present invention, flat wiper blade 1 has first locking member 50, and it can make class vertebral member 30 fix with respect to transom 10.

[48] according to one first embodiment shown in Figure 10 and 11, first locking member 50 is furnished with the tongue piece 51 of at least one elastic deformation, described tongue piece 51 is connected in transom 10, and a bossing 52 direct the embeddings with a groove 53 of arranging along class vertebral member 30 of extending in its present chamber 11 cooperate.In this case shown in the drawings, the end 31 of class vertebral member 30 preferably can be circle or chamfering shape as shown in figure 10, so that it is inserted in the seat chamber 11 of transom 10, does not especially damage the bossing 52 of each tongue piece 51.

[49] according to this one second embodiment as shown in figure 12, first locking member 50 is furnished with at least a portion 54 of transom 10, and it is suitable for local deformation and embeds with a groove of arranging along class vertebral member 30 cooperating.Each recess can be by thermal deformation, deformability cold, implemented by super sonic indistinction ground.

[50] according to the 3rd embodiment of 1 shown in Figure 13 and 14, first locking member 50 is furnished with at least one locking pin 55, and it can coordinate to embed to cooperate with two coaxial apertures 56,57.Two coaxial apertures 56,57 are arranged to respectively by transom 10 and class vertebral member 30, its cross section basically with the appropriate section complementation of locking pin 55.

[51] according to one the 4th embodiment, first locking member 50 can be by traditional method class vertebral member 30 to be inlaid in the transom 10.

[52] obvious, these different embodiments can be implemented separately, or combination with one another implements, or combine with other known locking member in the prior art and to implement, so that class vertebral member 30 is fixed with respect to transom 10.

[53] another feature according to the present invention, flat wiper blade 1 have second locking member 60, and it makes each

installation component

20,21 directly fixing with respect to transom 10.

[54] according to one first embodiment shown in Figure 15 and 16, each

installation component

20,21 be suitable for transom 10 along carrying out setting-in with the perpendicular basically direction of the bearing of trend in the

different seat chamber

11,22,23 that is used to admit class vertebral member 30.

[55] be furnished with at least one reinforced rib 61,62 in order to fix each

installation component

20,21, the second locking member 60, it can carry out setting-in with a groove 63,64 with complementary basically cross section and cooperate.It should be noted that, each reinforced rib 61,62 and relevant groove 63,64, can be preferably respectively with indistinction be arranged on the transom 10 and

installation component

20,21 on.

[56] in the specific embodiments shown in Figure 15 and 16, with regard to each

installation component

20,21, second locking member 60 is furnished with two reinforced ribs 61,62, its with the bearing of trend in the

different seat chamber

11,22,23 that is used to admit class vertebral member 30 perpendicularly lateral arrangement in transom 10.Two grooves 63,64 itself are along the lateral edges of described

installation component

20,21, arrange along the direction identical with reinforced rib 61,62 in logic.

[57] according to one second embodiment shown in Figure 17, each

installation component

20,21 also can be arranged to after elastic deformation with transom 10 along carrying out setting-in with the substantially parallel direction of the bearing of trend in the

different seat chamber

11,22,23 that is used to admit class vertebral member 30.

[58] be furnished with at least one raised member 65 in order to fix each

installation component

20,21, the second locking member 60, it directly has basically the knock hole 66 of complementary shape and carries out setting-in and cooperate with one.Each raised member 65 and relevant knock hole 66 respectively with indistinction be arranged on the transom 10 and

installation component

20,21 on.In addition, according to the situation of transom 10 or

installation component

20,21, raised member 65 or knock hole 66 are arranged on the part 67 of an elastic deformation at least.

[59] in specific embodiments shown in Figure 17, with regard to each

installation component

20,21, second locking member 60 has a single raised member 65, its be arranged in transom 10 a horizontal component 67 below, elastically deformable, and the direction longitudinal extension that parallels along bearing of trend with the

different seat chamber

11,22,23 that is used to admit class vertebral member 30.Knock hole itself is arranged in the upper edge of described

installation component

20,21.

Must be pointed out that [60] notion of elastic deformation part also relates to a wall part that supports the raised member in the previous embodiment for example, and relates to a described raised member individually.

[61] as under the situation of first locking member 50, the different embodiment that is specified to second locking member 60 can implement separately, or combination with one another is implemented, or combine with other known locking member in the prior art and to be implemented, so that each

installation component

20,21 is fixed with respect to transom 10.

[62] another feature according to the present invention, flat wiper blade 1 are furnished with the 3rd locking member 70, and it is suitable for making each

installation component

20,21 to be fixed with respect to class vertebral member 30.

[63] as shown in Fig. 7 to 9, with regard to each

installation component

20,21, the 3rd locking member 70 is furnished with at least a portion 71 of

installation component

20,21, but its local deformation and carry out setting-in and cooperate with the hole 72 on being arranged in class vertebral member 30.

[64] each recess can be by thermal deformation, deformability cold, implemented by super sonic indistinction ground.

[65] must be pointed out, but be arranged in 72 indistinction ground, hole on the class vertebral member 30 by a blind hole that forms recess or by constituting as the through hole under the present circumstances.

[66] other locking member that each

installation component

20,21 is fixed with respect to class vertebral member 30 of being used to commonly known in the art obviously can be implemented separately or make up and implement aforementioned particular embodiment.

[67] another feature according to the present invention, flat wiper blade 1 are furnished with the 4th locking member 80, and it makes wiper blade 40 directly fixing with respect to each installation component 30.

[68] according to one first embodiment shown in Figure 180, the 4th locking member 80 comprises the compressing member (é crasement) 81 of outer end 26 of the

guide rail

24,25 of each

installation component

20,21.

[69] according to known one second embodiment fully under the situation of unshowned but in the prior art flat wiper blade here, the 4th locking member 80 has two locking terminations, and it is connected to the outer end 26 of the

guide rail

24,25 of each

installation component

20,21.

[70] particularly advantageously, the cross section in the seat chamber 11 of transom 10 basically with the cross section complementation of class vertebral member 30.Equally, the cross section of the guide rail 12 of transom 10 basically with the cross section complementation of the root 41 of wiper blade 40.These features all can be implemented firm maintenance at every turn, the gap of avoiding anything unexpected to take place.

[71] another feature according to the present invention, transom 10 is made of plastic.From the economic point of view, this feature has certain preceence, because the cost of this material is significantly smaller than the cost of Zamak alloy, Zamak alloy normally constitutes the material of transom of the prior art.As make here the class vertebral member with respect to wiper blade in addition clamping keep no longer becoming problem, the rigidity of transom no longer is basic.Therefore, advantageously, can avoid the cost of Zamak alloy costliness.

[72] with the similar ground of the situation of the transom 10 addressed, the cross section in the

seat chamber

22,23 of each

installation component

20,21 basically with the cross section complementation of class vertebral member 30.Equally, the cross section of the

guide rail

24,25 of each

installation component

20,21 basically with the cross section complementation of the root 41 of wiper blade 40.Therefore, also implement well to keep by setting-in.

[73] particularly advantageously, each

installation component

20,21 is flexible basically.This feature can be utilized the elastic deformability of class vertebral member 30 fully.

[74] another feature according to the present invention, each

installation component

20,21 has the part of formation spoiler (spoiler).Therefore, the profile of selecting for use by flat wiper blade 1 can be standard profile or aerodynamic force profile.In addition, do not hinder two

installation components

20,21 to have different profiles.

[75] another feature according to the present invention, each

installation component

20,21 is made of plastic.This material has the two-fold preceence, and cost is not high, and has certain flexiblely, and it is with must to make flat wiper blade 1 be furnished with a flexible reinforcing member consistent.

[76] according to this logic, each

installation component

20,21 preferably is made of a section bar with extrusion molding of definite length.

[77] advantageously, class vertebral member 30 itself or make with metal is perhaps made with composite material.

[78] last, the most handy elastomeric material of wiper blade is made.

[79] obviously, the present invention also relates to be furnished with any self-propelled vehicle of at least one for example aforesaid flat wiper blade 1.

Claims

1. flat wiper blade (1), the scratch device (100) that it is particularly useful for self-propelled vehicle is characterized in that it has:

-one transom (10), it is used for the connection of described flat wiper blade (1), and wherein is furnished with a seat chamber (11) and a guide rail (12) that runs through, and this guide rail opens wide at its both ends,

-two installation components (20,21), it is positioned at the both sides of described transom (10), in each installation component, be furnished with a chamber (22,23) and a guide rail (24,25), they correspondingly with seat chamber (11) and the guide rail (12) of described transom (10) company that matches

The class vertebral member (30) of-one elastically deformable, it is located in the corresponding seat chamber (11,22,23) of described transom (10) and each installation component (20,21), and described seat chamber (11,22,23) is alignment continuously basically,

-one wiper blade (40), it has a root (41), and described root (41) is inlaid in the corresponding guide rail (12,24,25) of described transom (10) and each installation component (20,21), and described guide rail (12,24,25) is alignment continuously basically.

2. flat wiper blade according to claim 1 (1) is characterized in that, it has first locking member (50), and it is suitable for making described class vertebral member (30) to fix with respect to described transom (10).

3. flat wiper blade according to claim 2 (1), it is characterized in that, described first locking member (50) has the tongue piece (51) of at least one elastically deformable, this tongue piece links to each other with described transom (10), and a bossing (52) that extends in described seat chamber (11) of this tongue piece is suitable for carrying out setting-in with a recess (53) along described class vertebral member (30) layout and cooperates.

4. according to claim 2 or 3 described flat wiper blades (1), it is characterized in that, described first locking member (50) has at least a portion (54) of described transom (10), described at least a portion (54) of this transom (10) is suitable for local deformation, and carries out setting-in with a recess of arranging along described class vertebral member (30) and cooperate.

5. according to each described flat wiper blade (1) in the claim 2 to 4, it is characterized in that, described first locking member (50) has at least one locking pin (55), this locking pin is suitable for and two coaxial apertures (56,57) coordinating to carry out setting-in cooperates, described two coaxial apertures (56,57) are arranged through described transom (10) respectively and pass described class vertebral member (30), and the cross section in described two holes basically with the corresponding part complementation of described locking pin (55).

6. according to each described flat wiper blade (1) in the claim 2 to 5, it is characterized in that described first locking member (50) is described class vertebral member (30) is inlaid in the described transom (10).

7. according to each described flat wiper blade (1) in the claim 1 to 6, it is characterized in that it has second locking member (60), described second locking member is suitable for making each installation component (20,21) to fix with respect to described transom (10).

8. according to each described flat wiper blade (1) in the claim 1 to 7, it is characterized in that, each installation component (20,21) be suitable for carrying out setting-in along a direction with described transom (10), this direction and the different seat chamber (11 that is used to admit described class vertebral member (30), 22,23) bearing of trend is perpendicular basically.

9. according to claim 7 or 8 described flat wiper blades (1), it is characterized in that, described second locking member (60) has at least one reinforced rib (61,62), it is suitable for the recess (63 that has a basically complementary cross section with one, 64) carrying out setting-in cooperates, each reinforced rib (61,62) with relevant recess (63,64) respectively and indistinction be arranged in that described transom (10) is gone up and described installation component (20,21) on, its arrangement is to be substantially perpendicular to the different seat chamber (11 that is used to admit described class vertebral member (30), 22,23) direction of Yan Shening.

10. according to each described flat wiper blade (1) in the claim 1 to 7, it is characterized in that, each installation component (20,21) be suitable for after elastic deformation, carrying out setting-in along a direction with described transom (10), this direction and the different seat chamber (11 that is used to admit described class vertebral member (30), 22,23) bearing of trend is substantially parallel.

11. according to claim 7 or 10 described flat wiper blades (1), it is characterized in that, described second locking member (60) has at least one raised member (65), this raised member is suitable for carrying out setting-in with a knock hole (66) with complementary basically shape and cooperates, described raised member (65) and described knock hole (66) respectively and indistinction be arranged in that described transom (10) is gone up and described installation component (20,21) on, at least described raised member (65) or described knock hole (66) are arranged on the elastically deformable part (67) of described transom (10) or described installation component (20,21).

12. according to each described flat wiper blade (1) in the claim 1 to 11, it is characterized in that it has the 3rd locking member (70), it is suitable for making each installation component (20,21)) fix with respect to described class vertebral member (30).

13. flat wiper blade according to claim 12 (1), it is characterized in that, with regard to each installation component (20,21), described the 3rd locking member (70) has installation component (20,21) at least a portion (71), described part are suitable for local deformation and carry out setting-in and cooperate with the hole (72) on being arranged in described class vertebral member (30).

14. according to each described flat wiper blade (1) in the claim 1 to 13, it is characterized in that it has the 4th locking member (80), described the 4th locking member (80) is suitable for making described wiper blade (40) to fix with respect to each installation component (20,21).

15. flat wiper blade according to claim 14 (1) is characterized in that, described the 4th locking member (80) comprises the compressing member (81) of outer end (26) of the guide rail (24,25) of each installation component (20,21).

16., it is characterized in that described the 4th locking member (80) has two locking terminations according to claim 14 or 15 described flat wiper blades (1), described two locking terminations are connected to the outer end (26) of the guide rail (24,25) of each installation component (20,21).

17. according to each described flat wiper blade (1) in the claim 1 to 16, it is characterized in that, the cross section in the seat chamber (11) of described transom (10) basically with the cross section complementation of described class vertebral member (30).

18. according to each described flat wiper blade (1) in the claim 1 to 17, it is characterized in that, the cross section of the guide rail (12) of described transom (10) basically with the cross section complementation of the root (41) of described wiper blade (40).

19., it is characterized in that described transom (10) is made of plastic according to each described flat wiper blade (1) in the claim 1 to 18.

20. according to each described flat wiper blade (1) in the claim 1 to 19, it is characterized in that, the cross section in the seat chamber (22,23) of each installation component (20,21) basically with the cross section complementation of described class vertebral member (30).

21. according to each described flat wiper blade (1) in the claim 1 to 20, it is characterized in that, the cross section of the guide rail (24,25) of each installation component (20,21) basically with the cross section complementation of the root (41) of described wiper blade (40).

22., it is characterized in that each installation component (20,21) is flexible basically according to each described flat wiper blade (1) in the claim 1 to 21.

23., it is characterized in that each installation component (20,21) has the part of a formation spoiler according to each described flat wiper blade (1) in the claim 1 to 22.

24., it is characterized in that each installation component (20,21) is made of plastic according to each described flat wiper blade (1) in the claim 1 to 23.

25., it is characterized in that each installation component (20,21) is made of a section bar with extrusion molding of definite length according to each described flat wiper blade (1) in the claim 1 to 24.

26., it is characterized in that described class vertebral member (30) is made with metal according to each described flat wiper blade (1) in the claim 1 to 25.

27., it is characterized in that described class vertebral member (30) is made with composite material according to each described flat wiper blade (1) in the claim 1 to 26.

28., it is characterized in that described wiper blade (40) is made with elastomeric material according to each described flat wiper blade (1) in the claim 1 to 27.

29. self-propelled vehicle is characterized in that, it has at least one by each described flat wiper blade (1) in the aforesaid right requirement 1 to 28.