CN101774369A - Wiper blade - Google Patents

Abstract

The invention relates to a wiper blade. The invention provides a wiper blade that can be applied to various specifications of U-shaped hook parts at the front end of the wiper blade. The wiper blade (1) can be assembled and disassembled on any one of a U-shaped hook part(31) provided at the front end of wiper arm (3) on the vehicle (2) and U-shaped hook parts (32, 33) that has larger curvature radius and thickness than the U-shaped hook part (31) through a mounting piece (5) provided on the main body (10) of the wiper blade, the mounting piece (5) includes jogged components (6) jogged to the U-shaped hook part (31 or 32 or 33) provided on the front end of wiper arm (3) (3132, 33), and a fixed part between jogged components (6), that can hold and fix the U-shaped hook parts (32, 33) that has larger curvature radius and thickness.

Description

Wiper blade

Technical field

The present invention relates to load and unload Wiper blade on the front end of the Wiper arm that is arranged at vehicle by being located at fabricated section on the Wiper blade main body.

Background technology

All the time, with regard to Wiper blade, exist summer with and winter with etc. have a product of the performance that meets season, and because the hobby of demander also is various, therefore make by being located at fabricated section on the Wiper blade main body and can load and unload hook portion at the Wiper arm front end that is arranged at vehicle, thus the structure of changing easily.

At this, a lot of following technical schemes have been proposed, promptly, the hook portion of Wiper arm front end adopts the structure of U font mostly, and Wiper blade can load and unload at this U font hook portion (for example with reference to patent documentation 1 etc.).

Patent documentation 1: No. 4067912 communique of Japan's special permission

Yet though stipulated domestic specification and international standard, there is plurality of specifications in the specification as the U font hook portion of Wiper arm front end, and is different with the specification that vehicle etc. is adopted according to vehicle producer.

Therefore, existing Wiper blade can only be applicable to each specification of the U font hook portion of Wiper arm front end.

Just because of this, even demander one side finds the Wiper blade like, also can only buy the product of specification of the U font hook portion of the Windshield Wiper front end that meets the vehicle that is had.

And the producer one side is for the demand of the person of satisfying the demands side, for a Wiper blade, the part of fabricated section must be manufactured the structure that the U font hook portion with the Wiper arm front end of plurality of specifications meets respectively separately, thereby cause uneconomical.

Summary of the invention

So, the object of the present invention is to provide a kind of Wiper blade of U font hook portion of the Wiper arm front end that can be applied to plurality of specifications.

In order to achieve the above object, Wiper blade of the present invention is by being located at the fabricated section on the Wiper blade main body, can load and unload on any one of the little U font hook portion of the front end of the Wiper arm that is arranged at vehicle and radius of curvature and the thickness big U font hook portion that little U font hook portion is big than this, it is characterized in that, above-mentioned fabricated section possesses the above-mentioned little U font hook portion of front end of chimeric above-mentioned Wiper arm or the gomphosis part of above-mentioned big U font hook portion, and and this gomphosis part between can keep and the fixed parts of fixing above-mentioned big U font hook portion, above-mentioned gomphosis part has fitting portion, is provided with the fastening pawl that can be loaded and unloaded in the leading section fastening hole nearby that is located at above-mentioned little U font hook portion at this fitting portion, the step portion that cooperates with leading section medial surface nearby that can the above-mentioned big U font hook portion of closed contact.

At this, best above-mentioned gomphosis part has the pair of sidewalls portion of the two sides that can keep above-mentioned little U font hook portion and above-mentioned big U font hook portion, and be located at above-mentioned fitting portion between this pair of sidewalls portion, its upper side of this fitting portion constitutes the shape of the medial surface of the above-mentioned big U font hook portion of closed contact, and its downside until specified length constitute the above-mentioned little U font hook portion of closed contact medial surface shape and be provided with the fastening pawl, and if surpassed afore mentioned rules length and then formed above-mentioned step portion, the said fixing parts are in the chimeric above-mentioned little U font hook portion of above-mentioned gomphosis part or a side of above-mentioned big U font hook portion, have the maintaining part of the shape that downside can keep with the lateral surface closed contact of above-mentioned big U font hook portion.

In addition, be preferably in the above-mentioned fitting portion of above-mentioned gomphosis part, be formed with shrinkage pool in a side relative with a side of chimeric above-mentioned little U font hook portion or above-mentioned big U font hook portion, the downside with flexible flexible strip on the part of the downside that is formed at this fitting portion is provided with above-mentioned fastening pawl.

And, preferably the said fixing parts serve as that axle rotatably is connected above-mentioned gomphosis part and the relative side of a side chimeric above-mentioned little U font hook portion or above-mentioned big U font hook portion with the Width of above-mentioned Wiper blade main body, portion is formed with the slotting port that can insert logical above-mentioned little U font hook portion and above-mentioned big U font hook portion in the central, in the chimeric above-mentioned little U font hook portion of above-mentioned gomphosis part or a side of above-mentioned big U font hook portion, be formed with a pair of auxiliary section, above-mentioned gomphosis part is in the chimeric above-mentioned little U font hook portion of the above-mentioned gomphosis part of above-mentioned pair of sidewalls portion or a side of above-mentioned big U font hook portion, be formed with a pair of fastening sheet of the above-mentioned a pair of auxiliary section that can load and unload the said fixing parts, between said fixing parts and above-mentioned gomphosis part, can keep and fixing above-mentioned big U font hook portion.

In addition, best above-mentioned fabricated section possesses to have the mounting seat parts that a pair of rivet is inserted a pair of assembly wall portion in general hole is set, above-mentioned mounting seat parts are fixedly mounted on the upper surface of above-mentioned Wiper blade main body in the mode of the length direction almost parallel of above-mentioned a pair of assembly wall portion and this Wiper blade main body, be provided with the slotting general hole of rivet in the chimeric above-mentioned little U font hook portion of above-mentioned gomphosis part or a side of above-mentioned big U font hook portion, between the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts, embed above-mentioned gomphosis part and said fixing parts, the rivet of inserting general hole and above-mentioned gomphosis part at the rivet of the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts is inserted and is inserted logical rivet in the general hole, and above-mentioned gomphosis part and said fixing parts serve as that axle rotatably connects with the short side direction of above-mentioned Wiper blade main body.

And, best above-mentioned fabricated section possesses isolated part, this isolated part has rivet and inserts general hole and a pair of isolated wall, this a pair of isolated wall is provided with the circular-arc projection in cross section with the length direction almost parallel of above-mentioned Wiper blade main body at lateral surface, and it is also narrow between the medial surface of width than the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts, medial surface in the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts, be formed with the circular-arc guiding groove of the circular-arc projection in the above-mentioned cross section of guiding, the rivet that the rivet of the above-mentioned a pair of isolated wall of above-mentioned isolated part is inserted general hole and above-mentioned gomphosis part is inserted general hole and is formed drum shape after chimeric, between the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts, embed above-mentioned gomphosis part and said fixing parts by above-mentioned isolated part, rivet in the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts is inserted general hole, the rivet of above-mentioned isolated part is inserted the rivet of general hole and above-mentioned gomphosis part and is inserted slotting logical rivet in the general hole, and it can be the axle swing with the length direction of above-mentioned Wiper blade main body that above-mentioned gomphosis part and said fixing parts connect into above-mentioned isolated part.

The present invention has following effect.

This Wiper blade of the present invention is by being located at the fabricated section on the Wiper blade main body, the Wiper blade that can load and unload on any one of the little U font hook portion of the front end of the Wiper arm that is arranged at vehicle and radius of curvature and the thickness big U font hook portion that little U font hook portion is big than this.

At this, fabricated section possess the little U font hook portion of front end of chimeric Wiper arm or big U font hook portion gomphosis part and and gomphosis part between can keep and fix the fixed parts of big U font hook portion.

And, gomphosis part has fitting portion, fitting portion be provided with the fastening pawl that can be loaded and unloaded in the leading section fastening hole nearby that is located at little U font hook portion and leading section that can the above-mentioned big U font hook portion of closed contact nearby medial surface and the step portion that cooperates.

Owing to be this structure, therefore can be applied to the U font hook portion of the Wiper arm front end of plurality of specifications.

Therefore, can improve demander one can be to buy the possibility of the Wiper blade of liking.

And the producer one side is for a Wiper blade, and any structure that the part of fabricated section is manufactured the U font hook portion of the Wiper arm front end that can be applied to plurality of specifications gets final product the demand of the person side that therefore can not satisfy the demands economically.

At this, gomphosis part has the pair of sidewalls portion of the two sides that can keep little U font hook portion and big U font hook portion, and be located at fitting portion between this pair of sidewalls portion, its upper side of fitting portion constitutes the shape of the medial surface of the big U font of closed contact hook portion, and its downside until specified length constitute the little U font of closed contact hook portion medial surface shape and be provided with the fastening pawl, and if surpassed specified length and then formed step portion, fixed parts is in the chimeric little U font hook portion of gomphosis part or a side of big U font hook portion, maintaining part with shape that downside can keep with the lateral surface closed contact of big U font hook portion, in this occasion, for any U font hook portion that can use, can form not have and rock and the installing condition of restriction site securely.

In addition, fitting portion at gomphosis part, be formed with shrinkage pool in a side relative with a side of chimeric little U font hook portion or big U font hook portion, the downside with flexible flexible strip on the part of the downside that is formed at fitting portion is provided with the fastening pawl, in this occasion, the fastening pawl that is removable in the fastening hole of radius of curvature and the thickness little U font hook portion also littler than big U font hook portion can be made simple and cheap construction.

And, fixed parts serves as that axle rotatably is connected gomphosis part and the relative side of a side chimeric little U font hook portion or big U font hook portion with the Width of Wiper blade main body, portion is formed with the slotting port that can insert logical little U font hook portion and big U font hook portion in the central, in the chimeric little U font hook portion of gomphosis part or a side of big U font hook portion, be formed with a pair of auxiliary section, gomphosis part is in the chimeric little U font hook portion of the gomphosis part of pair of sidewalls portion or a side of big U font hook portion, be formed with a pair of fastening sheet of a pair of auxiliary section that can load and unload fixed parts, between fixed parts and gomphosis part, can keep and fixing big U font hook portion, in this occasion, can be simply and make at an easy rate between fixed parts and gomphosis part can maintenance and the structure of constant radius of curvature and the thickness big U font hook portion also bigger than little U font hook portion.

In addition, fabricated section possesses to have the mounting seat parts that a pair of rivet is inserted a pair of assembly wall portion in general hole is set, the mounting seat parts are fixedly mounted on the upper surface of Wiper blade main body in the mode of the length direction almost parallel of a pair of assembly wall portion and Wiper blade main body, be provided with the slotting general hole of rivet in the chimeric little U font hook portion of gomphosis part or a side of big U font hook portion, between a pair of assembly wall portion of mounting seat parts, embed gomphosis part and fixed parts, the rivet of inserting general hole and gomphosis part at the rivet of a pair of assembly wall portion of mounting seat parts is inserted and is inserted logical rivet in the general hole, gomphosis part and fixed parts serve as that axle rotatably connects with the short side direction of Wiper blade main body, in this occasion, can be simply and constitute at an easy rate and be easily mounted on little U font hook portion and radius of curvature and thickness than the structure on the also big big U font hook portion of this little U font hook portion.

And, fabricated section possesses isolated part, this isolated part has rivet and inserts general hole and a pair of isolated wall, this a pair of isolated wall is provided with the circular-arc projection in cross section with the length direction almost parallel of Wiper blade main body at lateral surface, and it is also narrow between the medial surface of width than a pair of assembly wall portion of mounting seat parts, medial surface in a pair of assembly wall portion of mounting seat parts, be formed with the circular-arc guiding groove of the circular-arc projection in guiding cross section, the rivet that the rivet of a pair of isolated wall of isolated part is inserted general hole and gomphosis part is inserted general hole and is formed drum shape after chimeric, between a pair of assembly wall portion of mounting seat parts, embed gomphosis part and fixed parts by isolated part, rivet in a pair of assembly wall portion of mounting seat parts is inserted general hole, the rivet of isolated part is inserted the rivet of general hole and gomphosis part and is inserted slotting logical rivet in the general hole, it can be the axle swing with the length direction of Wiper blade main body that gomphosis part and fixed parts connect into isolated part, in this occasion, counter-rotating action in the time of can guaranteeing the turning back of contact part of Wiper blade main body on the wiping surface of front screen becomes reliable, and guarantees that wiping surface at front screen is used for producing at the front end of the contact part of Wiper blade main body the angle of the Wiper blade main body of suitable wiping pressure.

Description of drawings

Fig. 1 is the block diagram of schematic configuration of the vehicle of the expression Wiper blade that possesses embodiment.

Fig. 2 (a)～(c) is the lateral plan of U font hook portion of the Wiper arm front end of the expression Wiper blade that can be applicable to embodiment.

Fig. 3 is the block diagram of schematic configuration of the Wiper blade of expression embodiment.

Fig. 4 is the exploded perspective view of the Wiper blade of Fig. 3.

Fig. 5 is the longitudinal section of the Wiper blade of Fig. 3.

Fig. 6 is the amplification stereogram of bracket component that is used for the Wiper blade of Fig. 3.

Fig. 7 is the exploded perspective view of fabricated section of the Wiper blade of Fig. 3.

Fig. 8 is that the A-A alignment of gomphosis part of the fabricated section of Fig. 7 is looked cutaway view.

Fig. 9 is the block diagram of fabricated section of the Wiper blade of Fig. 3.

Figure 10 is the part sectional view of the state that moves to left relative to wiping surface of the Wiper blade of presentation graphs 3.

Figure 11 is that the Wiper blade of presentation graphs 3 is relative to the part sectional view of wiping surface to the right-hand state that moves.

The instruction diagram of Figure 12 (a)～(d) step that to be expression install the Wiper blade of Fig. 3 to the U of Wiper arm front end font hook portion.

Figure 13 is the instruction diagram of installing condition of the U font hook portion of the Wiper blade of presentation graphs 3 and Class1.

Figure 14 is the instruction diagram of installing condition of the U font hook portion of the Wiper blade of presentation graphs 3 and type 2.

Figure 15 is the instruction diagram of installing condition of the U font hook portion of the Wiper blade of presentation graphs 3 and type 3.

Among the figure:

The 1-Wiper blade, 10-Wiper blade main body, 2-vehicle, the 3-Wiper arm, the U font hook portion of 31-Class1 (little U font hook portion), 31a-fastening hole, the U font hook portion of 32-type 2 (big U font hook portion), 32a-fastening hole, the U font hook portion of 33-type 3 (big U font hook portion), 33a-fastening hole, 5-fabricated section, 6-gomphosis part, the 6a-rivet is inserted general hole, 61-side wall portion, 61c-fastening sheet, the 62-fitting portion, 62A-flexible strip, 62a-fastening pawl, the 62b-step portion, 62c-shrinkage pool, 7-fixed parts, the 71-maintaining part, 73-inserts port, the 7a-auxiliary section, the 8-isolated part, the 81-isolated wall, the 81a-rivet is inserted general hole, the projection that the 81b-cross section is circular-arc, 9-mounting seat parts, 91-assembly wall portion, the 91a-rivet is inserted general hole, the guiding groove that 91b-is circular-arc, the 17-rivet.

The specific embodiment

Below, based on embodiment shown in the drawings embodiments of the present invention are described.

[embodiment]

The Wiper blade 1 of present embodiment as shown in Figure 1, releasably be arranged on the front end of the Wiper arm 3 of being located at vehicle 2, and utilize and omit graphic Windshield Wiper motor, make Wiper arm 3 to using the direction crank motion shown in the arrow, thereby the wiping surface 4a of wiping front screen 4, when Wiper arm 3 is not worked, with the state standby of the lower edge portion that stops at front screen 4.

It is the situation of three kinds of any specifications in the specification that the Wiper blade 1 of present embodiment can be common to the U font hook portion that is located at Wiper arm 3 front ends, the U font hook portion 32 of the U font hook portion 31 that these three kinds of specifications are the Class1 shown in Fig. 2 (a), the type 2 shown in Fig. 2 (b) and the U font hook portion 33 of the type 3 shown in Fig. 2 (c).

The U font hook portion 31 of the type 1 is the Wiper arm dimensions that is documented in " clasp in the subordinate list 1 of JIS D 5710:1998 and shape and size A2 ".

The U font hook portion 32 of the type 2 is the Wiper arm dimensionss that are documented in " clasp in the subordinate list 1 of JIS D 5710:1998 and shape and size (ISO type) A3.2 ".

The U font hook portion 33 of the type 3 is the Wiper arm dimensionss that are documented in " clasp in the subordinate list 1 of JIS D 5710:1998 and shape and size (ISO type) A3.1 ".

At this, the U font hook portion 32 of type 2 is compared with the U font hook portion 31 of Class1, and width dimensions is identical, and thickness is big a little, and radius of curvature is also big.And the U font hook portion 33 of type 3 is compared with the U font hook portion 32 of type 2, and width, thickness and radius of curvature dimensions are identical, and the length of front end is short a little.

In addition, near the leading section of these U font hook portions 31,32,33, be respectively equipped with fastening hole 31a, 32a, 33a.

This Wiper blade 1 as shown in Figures 3 and 4, mainly comprise: Wiper blade main body 10, have long size shape blade rubber 11, to the bearing of trend of blade rubber 11 extend and with the plate spring component (skeleton) 12 of bowing, cover blade rubber 11 and the scraping blade cover 14 of plate spring component 12 and the cover 16,16 at scraping blade cover 14 two ends; And fabricated section 5, the U font hook portion 31 or 32 or 33 that is used to install Wiper arm 3 front ends.

At this, blade rubber 11 by be long size shape and do not damage wiping surface 4a and slidably elastomeric element constitute, and as shown in Figure 5, have with the cross section of wiping surface 4a contact roughly del contact part 11a, be close to plate spring component 12 head 11b, be connected contact part 11a and head 11b neck 11c, be used to prevent the alar part 11d that stretches out to the wiping direction from neck 11c of the excessive deformation of this neck 11c.

And, on plate spring component 12, reserve appropriate intervals at its length direction and be provided with bracket component shown in Figure 6 13.This bracket component 13 has to be inserted the logical space 13a of inserting of logical plate spring component 12, surround the encirclement space 13b of head 11b and allows neck 11c to allow space 13c from the turnover of surrounding space 13b turnover.At this, bracket component 13 is the border with the length direction central portion 15 of plate spring component 12, and three (with reference to Fig. 4) respectively are set in both sides.

And, when passing through to surround space 13b from an end side of plate spring component 12 by making head 11b, carries blade rubber 11 to the other end side, thereby head 11b by bracket component 13 ... keep, and being close to spring members 12, the front end 11e of contact part 11a can contact with wiping surface 4a with the appropriate pressing force that is dispersed on the length direction.

In addition, scraping blade cover 14 is formed with the chimeric slot part 14a that extends to the other end side along the length direction of plate spring component 12 from an end side and is used to install the construction opening 14b of the length direction central portion of fabricated section 5 as shown in Figure 4.

And one keeps the plate spring component 12 of blade rubber 11 to insert the chimeric slot part 14a of logical scraping blade cover 14, and at both ends portion insert cover parts 16,16, thereby Wiper blade main body 10 constitutes the structure that the part except length direction central portion 15 is capped.

And, at the length direction central portion 15 of the plate spring component of exposing to the outside from the construction opening 14b of this Wiper blade main body 10 12 fabricated sections 5 are installed, as shown in Figure 3, constitute Wiper blade 1.

This fabricated section 5 mainly comprises gomphosis part 6, fixed parts 7, isolated part 8, mounting seat parts 9 and rivet 17 as shown in Figure 7.

At this, this gomphosis part 6 mainly comprises pair of sidewalls portion 61,61 and is located at fitting portion 62 between these pair of sidewalls portions 61,61.

The interval of these pair of sidewalls portions 61,61 is roughly the same with the width of these U font hook portions 31,32,33, so that can keep the two sides of the U font hook portion 33 of the U font hook portion 32 of U font hook portion 31, type 2 of the Class1 of above-mentioned Wiper arm 3 front ends and type 3.

In addition, the outside in these pair of sidewalls portions 61,61 is formed with embedded groove 61a respectively on top, and with the relative side of a side of chimeric U font hook portion 31 or 32 or 33, be respectively equipped with rotation projection 61b.

And, in the chimeric U font hook portion 31 of these pair of sidewalls portions 61,61 or a side of 32 or 33, be formed with fastening sheet 61c respectively.

This fitting portion 62 as shown in Figures 7 and 8, its upper side forms the shape of medial surface of the U font hook portion 33 of the U font hook portion 32 of closed contact radius of curvature and the thickness type 2 also bigger than the U font hook portion 31 of Class1 and type 3.

And, its downside is until specified length, form the shape of medial surface of the U font hook portion 31 of closed contact Class1, and be provided with the fastening pawl 62a among the fastening hole 31a of the U font hook portion 31 that is removable at the type 1, if surpass specified length, then form can the closed contact radius of curvature and the leading section of the U font hook portion 33 of the U font hook portion 32 of the big type 2 of thickness and type 3 nearby medial surface and chimeric step portion 62b.

At this, a side relative in the side with chimeric U font hook portion 31 or 32 or 33 of fitting portion 62 is formed with shrinkage pool, is provided with fastening pawl 62a at the downside with flexible flexible strip 62A of the part of the downside that is formed at fitting portion 62.

And, in the chimeric U font hook portion 31 of gomphosis part 6 or a side of 32 or 33, be provided with the rivet that connects pair of sidewalls portion 61,61 and fitting portion 62 and insert general hole 6a.

In addition, this fixed parts 7 is provided with maintaining part 71 in the chimeric U font hook portion 31 of gomphosis part 6 or a side of 32 or 33, and this maintaining part 71 constitutes downside can the closed contact radius of curvature and the lateral surface of the U font hook portion 33 of the U font hook portion 32 of the big type 2 of thickness and type 3 and the shape that keeps.

In this maintaining part 71, be formed with can with a pair of auxiliary section 7a, the 7a of fastening sheet 61c, the 61c loading and unloading of the pair of sidewalls portion 61,61 of gomphosis part 6, also be formed with claw 7b, so that carry out these loading and unloading easily with hand.

In addition, be provided with support portion 72,72 the embedded groove 61a in the outside of the side wall portion 61,61 that embeds gomphosis part 6 from this maintaining part 71.

And, be provided with rotation hole 72a, 72a in sides relative these support portions 72,72 with a side of chimeric U font hook portion 31 gomphosis part 6 or 32 or 33, this rotation embeds rotation projection 61b, the 61b of the pair of sidewalls portion 61,61 of gomphosis part 6 with hole 72a, 72a, serve as that axle rotatably connects thereby make fixed parts 7 with the Width of Wiper blade main body 10.

And, surround in the central portion maintained portion 71 of fixed parts 7 and support portion 72 and the slotting port 73 that forms forms any one of U font hook portion 32,33 of the big type 2,3 of the U font hook portion 31 of Class1 and radius of curvature and thickness and can both insert logical size.

In addition, this isolated part 8 mainly comprises a pair of isolated wall 81,81 that the interval and the width of gomphosis part 6 are roughly the same and the connecting portion 82 that is connected the bottom of these a pair of isolated walls 81,81.

At this,, be respectively equipped with rivet and insert general hole 81a in the chimeric U font hook portion 31 of the gomphosis part 6 of a pair of isolated wall 81,81 or a side of 32 or 33.

In addition, at the lateral surface of a pair of isolated wall 81,81, be respectively equipped with the circular-arc projection 81b in cross section with the length direction almost parallel of Wiper blade main body 10.

And these mounting seat parts 9 mainly comprise at interval than wide a little a pair of assembly wall portion 91,91 of the width of isolated part 8 and the connecting portion 92 that connects the transverse part of these a pair of assembly wall portions 91,91.

At this,, be respectively equipped with rivet and insert general hole 91a in the chimeric U font hook portion 31 of the gomphosis part 6 of a pair of assembly wall portion 91,91 or a side of 32 or 33.

In addition, the leading section 17a of rivet 17 makes thin a little diameter for easy riveted joint, and the slotting general hole 91a of rivet that inserts logical this leading section 17a conforms to therewith, forms the slotting also little diameter of general hole 91a of rivet than the side of the head 17b that contacts rivet 17.

And the medial surface in a pair of assembly wall portion 91,91 is respectively equipped with the circular-arc guiding groove 91b of the size that the circular-arc projection 81b in cross section of isolated part 8 can slide.

In addition, the bottom in a pair of assembly wall portion 91,91 is respectively equipped with upside gripper jaw 91c and the downside gripper jaw 91d towards the inboard that are used for installing at the length direction central portion 15 of plate spring component 12 fabricated sections 5.

And, on rotation projection 61a, the 61b of gomphosis part 6, embed rotation hole 72a, the 72a of fixed parts 7, gomphosis part 6 and fixed parts 7 are become one afterwards between a pair of isolated wall 81,81 with their embedding isolated parts 8, so that rivet inserting hole 6a and rivet inserting hole 81a become a succession of.

Then, after gomphosis part 6, fixed parts 7 and isolated part 8 become one their are embedded between a pair of assembly wall portion 91,91 of mounting seat parts 9, in becoming a series of rivet inserting hole 6a, rivet inserting hole 81a and rivet inserting hole 91a, insert logical rivet 17, and the leading section of this rivet 17 of calking, then as shown in Figure 9, finish the assembling of fabricated section 5.

Then, make the length direction central portion 15 of the plate spring component of exposing to the outside from the construction opening 14b of Wiper blade main body 10 12 be mounted upside gripper jaw 91c, the 91c of base member 9 and downside gripper jaw 91d, 91d ... clamping, thereby fabricated section 5 is installed, as shown in Figure 3, finish the assembling of Wiper blade 1.

At this, as Figure 10 and shown in Figure 11, insert the rivet inserting hole 6a of the gomphosis part 6 that has led to rivet 17 and the chimeric drum shape that forms afterwards of rivet inserting hole 81a of isolated part 8, circular-arc projection 81b, the 81b in the cross section of isolated part 8 is mounted circular-arc guiding groove 91b, the 91b guiding of base member 9.

Therefore, the structure that gomphosis part 6, fixed parts 7 and isolated part 8 are become one can serve as the axle swing with the length direction of Wiper blade main body 10 in mounting seat parts 9.

Pendulum angle θ amplitude peak herein is ± 4 °, the counter-rotating action in the time of can guaranteeing the turning back of contact part 11a of blade rubber 11 of the Wiper blade main body 10 on the wiping surface 4a of front screen 4.

And, can produce the angle of the Wiper blade main body 10 of suitable wiping pressure at the front end 11e of contact part 11a that the wiping surface 4a of front screen 4 guarantees to be used for the blade rubber 11 of Wiper blade main body 10.

Therefore in addition, gomphosis part 6 that becomes one and fixed parts 7 serve as that axle can rotate with rivet 17, can make and carry out easily to the installation of the U font hook portion 31 of guides arm 3 front ends or 32 or 33 and the angle of dismounting.

Below, the Wiper blade 1 of present embodiment is described to the installation method of Wiper arm 3.

The installation method of occasion of the U font hook portion 31 of Class1 at first, is described based on Figure 12 (a)～Figure 12 (d).

At first, shown in Figure 12 (a), erect fixed parts 7 at fabricated section 5.

Then, shown in Figure 12 (b),, insert logical U font hook portion 31 from its outside to the slotting port 73 of this fixed parts 7.

Then, shown in Figure 12 (c), the medial surface of U font hook portion 31 is embedded the fitting portion 62 of gomphosis part 6.

At last, cooperate with fastening sheet 61c, the 61c of gomphosis part 6 until a pair of auxiliary section 7a, 7a fixed parts 7 is folding, then shown in Figure 12 (d), the Wiper blade 1 of present embodiment is installed to the front end of Wiper arm 3.

Fabricated section 5 and U font hook portion 31 are as shown in figure 13 like this, U font hook portion 31 its two sides are by side wall portion 61,61 restrictions, its medial surface up and down is by fitting portion 62 restrictions (position limit between a-b), its fore-and-aft direction is not had the installing condition of rocking and carrying out securely position limit by the front end of fitting portion 62 and the fastening pawl 62a that cooperates with fastening hole 31a restriction (position limit between c-d) thereby become.

In addition, in Figure 13, fabricated section 5 has only been put down in writing the gomphosis part 6 and the fixed parts 7 of fabricated section 5 to the installing condition of U font hook portion 31 for convenience of explanation.

And, when dismounting Wiper blade 1, catch claw 7b to remove cooperating of a pair of auxiliary section 7a, 7a and fastening sheet 61c, 61c, and erect fixed parts 7, make flexible strip 62A deflection upward in shrinkage pool 62c, thereby releasing fastening pawl 62a cooperates with fastening hole 31a's, extracts U font hook portion 31 from slotting port 73 then and gets final product.

Below, roughly the same with the installation method of the occasion of the U font hook portion 31 of the Class1 shown in Figure 12 (a)～Figure 12 (d) with regard to the installation method of the occasion of the U font hook portion 32 of type 2, so omit explanation.

Fabricated section 5 and U font hook portion 32 are as shown in figure 14 like this, U font hook portion 32 its two sides are by side wall portion 61,61 restrictions, its medial surface up and down is by fitting portion 62 and step portion 62b restriction (position limit between e-f), its fore-and-aft direction does not have the installing condition of rocking and carrying out securely position limit thereby become by maintaining part 71 clampings of fitting portion 62 and fixed parts 7 and restricted (position limit between g-h).

In addition, in Figure 14, fabricated section 5 has only been put down in writing the gomphosis part 6 and the fixed parts 7 of fabricated section 5 to the installing condition of U font hook portion 32 for convenience of explanation.

And, in dismounting during Wiper blade 1, catch claw 7b to remove cooperating of a pair of auxiliary section 7a, 7a and fastening sheet 61c, 61c, and erect fixed parts 7, extract U font hook portion 32 from slotting port 73 then and get final product.

That is, in the installation of the U of type 2 font hook portion 32, do not use fastening hole 32a.

Below, roughly the same with the installation method of the occasion of the U font hook portion 31 of the Class1 shown in Figure 12 (a)～Figure 12 (d) with regard to the installation method of the occasion of the U font hook portion 33 of type 3, so omit explanation.

Fabricated section 5 and U font hook portion 33 are as shown in figure 15 like this, U font hook portion 33 its two sides are by side wall portion 61,61 restrictions (position limit between e-f), its medial surface up and down is by fitting portion 62 and step portion 62b restriction, its fore-and-aft direction does not have the installing condition of rocking and carrying out securely position limit thereby become by maintaining part 71 clampings of fitting portion 62 and fixed parts 7 and restricted (position limit between g-h).

In addition, in Figure 15, fabricated section 5 has only been put down in writing the gomphosis part 6 and the fixed parts 7 of fabricated section 5 to the installing condition of U font hook portion 33 for convenience of explanation.

And, in dismounting during Wiper blade 1, catch claw 7b to remove cooperating of a pair of auxiliary section 7a, 7a and fastening sheet 61c, 61c, and erect fixed parts 7, extract U font hook portion 33 from slotting port 73 then and get final product.

That is, same with the U font hook portion 32 of type 2 in the installation of the U of type 3 font hook portion 33, do not use fastening hole 33a.

Below, the action effect of the Wiper blade 1 of present embodiment is described.

The Wiper blade 1 of this present embodiment is by being located at the fabricated section 5 on the Wiper blade main body 10, can load and unload the Wiper blade on the U font hook portion 31 of the front end of the Wiper arm 3 that is arranged at vehicle 2 and radius of curvature and the thickness U font hook portion 32,33 bigger than this U font hook portion 31.

At this, fabricated section 5 possess the U font hook portion 31 of front end of chimeric Wiper arm 3 or 32 or 33 gomphosis part 6 and and gomphosis part 6 between can be maintained fixed the fixed parts 7 of the big U font hook portion 32,33 of radius of curvature and thickness.

And, gomphosis part 6 has fitting portion 62, fitting portion 62 be provided with the fastening pawl 62a that can be loaded and unloaded among the leading section fastening hole 31a nearby that is located at U font hook portion 31 and can the closed contact radius of curvature and the leading section of the big U font hook portion 32,33 of thickness nearby medial surface and the step portion 62b that cooperates.

Owing to be this structure, therefore can be applied to U font hook portion 33 any of the U font hook portion 32 of U font hook portion 31, type 2 of Class1 of Wiper arm 3 front ends of above-mentioned three kinds of specifications and type 3.

Therefore, can improve demander one can be to buy the possibility of the Wiper blade of liking 1.

And, the producer one side is for a Wiper blade 1, the any structure that the part of fabricated section 5 is manufactured the U font hook portion 31,32,33 of Wiper arm 3 front ends that can be applied to three kinds of specifications gets final product, the demand of the person side that therefore can not satisfy the demands economically.

At this, gomphosis part 6 has the pair of sidewalls portion 61,61 of the two sides that can keep U font hook portion 31,32,33 and is located at fitting portion 62 between this pair of sidewalls portion, fitting portion 62 its upper sides constitute the shape of the medial surface of the big U font hook portion 32,33 of closed contact radius of curvature and thickness, and its downside until specified length constitute the little U font hook portion 31 of closed contact radius of curvature and thickness medial surface shape and be provided with fastening pawl 62a, and then form step portion 62b if surpassed specified length.

And fixed parts 7 is in the chimeric U font hook portion 31 of gomphosis part 6 or a side of 32 or 33, and having downside can be with the lateral surface closed contact of the big U font hook portion 32,33 of radius of curvature and thickness and the maintaining part 71 of the shape that keeps.

Therefore, as mentioned above,, can form not have and rock and the installing condition of restriction site securely for any U font hook portion 31,32,33 that can use.

In addition, fitting portion 62 at gomphosis part 6, be formed with shrinkage pool 62c in a side relative with a side of chimeric U font hook portion 31 or 32 or 33, the downside with flexible flexible strip 62A on the part of the downside that is formed at fitting portion 62 is provided with fastening pawl 62a, so the fastening pawl 62a that is removable among the fastening hole 31a of the little U font hook portion 31 of radius of curvature and thickness can be made simple and cheap construction.

And, fixed parts 7 serves as that axle rotatably is connected gomphosis part 6 and the relative sides of a side chimeric U font hook portion 31 or 32 or 33 with the Width of Wiper blade main body 10, portion is formed with the slotting port 73 that can insert logical U font hook portion 31,32 and 33 in the central, in the chimeric U font hook portion 31 of gomphosis part 6 or a side of 32 or 33, be formed with a pair of auxiliary section 7a, 7a.

And, gomphosis part 6 is in the chimeric U font hook portion 31 of the gomphosis part 6 of pair of sidewalls portion 61,61 or a side of 32 or 33, be formed with a pair of fastening sheet 61c, the 61c of a pair of auxiliary section 7a, the 7a that can load and unload fixed parts 7, between fixed parts 7 and gomphosis part 6, can be maintained fixed the big U font hook portion 32,33 of radius of curvature and thickness.

Therefore, can be simply and make the structure of the U font hook portion 32,33 that between fixed parts 7 and gomphosis part 6, can be maintained fixed the big type 2,3 of radius of curvature and thickness at an easy rate.

In addition, fabricated section 5 possesses mounting seat parts 9, these mounting seat parts 9 have a pair of assembly wall portion 91,91 that rivet is inserted general hole 91a that is provided with, mounting seat parts 9 with the mode of the length direction almost parallel of a pair of assembly wall portion 91,91 and Wiper blade main body 10 be fixedly mounted on Wiper blade main body 10 above.

And, be provided with the slotting general hole 6a of rivet in the chimeric U font hook portion 31 of gomphosis part 6 or a side of 32 or 33, between a pair of assembly wall portion 91,91 of mounting seat parts 9, embed gomphosis part 6 and fixed parts 7, the rivet of inserting general hole 91a, 91a and gomphosis part 6 at the rivet of a pair of assembly wall portion 91,91 of mounting seat parts 9 is inserted and is inserted logical rivet 17 among the general hole 6a, and gomphosis part 6 and fixed parts 7 serve as that axle rotatably connects with the short side direction of Wiper blade main body 10.

Therefore, can be simply and constitute structure on the U font hook portion 31 or 32 or 33 that Wiper blade 1 is easily mounted on Wiper arm 3 front ends at an easy rate.

And, fabricated section 5 possesses isolated part 8, this isolated part 8 has rivet and inserts general hole 81a and a pair of isolated wall 81,81, this a pair of isolated wall 81,81 are respectively equipped with the circular-arc projection 81b in cross section with the length direction almost parallel of Wiper blade main body 10 at lateral surface, and width is than a pair of assembly wall portion 91 of mounting seat parts 9, also narrow between 91 the medial surface, a pair of assembly wall portion 91 at mounting seat parts 9,91 medial surface, be formed with the guiding circular-arc projection 81b in cross section, the circular-arc guiding groove 91b of 81b, 91b is with a pair of isolated wall 81 of isolated part 8,81 rivet is inserted general hole 81a, the rivet of 81a and gomphosis part 6 is inserted the chimeric drum shape that forms afterwards of general hole 6a.

And, between a pair of assembly wall portion 91,91 of mounting seat parts 9, embed gomphosis part 6 and fixed parts 7 by isolated part 8, the rivet that the rivet of inserting general hole 91a, 91a, isolated part 8 at the rivet of a pair of assembly wall portion 91,91 of mounting seat parts 9 is inserted general hole 81a, 81a and gomphosis part 6 is inserted and is inserted logical rivet 17 among the general hole 6a, and it can be the axle swing with the length direction of Wiper blade main body 10 that gomphosis part 6 and fixed parts 7 connect into isolated part 8.

Therefore, the counter-rotating action in the time of can guaranteeing the turning back of contact part 11a of the blade rubber 11 of Wiper blade main body 10 on the wiping surface 4a of front screen 4 becomes reliable.

And, can guarantee to be used for to produce the angle of the Wiper blade main body 10 of suitable wiping pressure at the wiping surface 4a of front screen 4 at the front end 11e of the contact part 11a of the blade rubber 11 of Wiper blade main body 10.

Abovely with reference to accompanying drawing and based on embodiment embodiments of the present invention are had been described in detail, but concrete structure is not limited to this embodiment, the design modification that does not break away from the degree of main contents of the present invention all is contained in the present invention.

For example, in the above-described embodiments, used flat structure and implemented as Wiper blade main body 10, but be not limited thereto, also can use the structure etc. of segmentation (ト one Na メ Application ト) formula and implement.

In addition, in the above-described embodiments, used the structure of using in winter of being provided with scraping blade cover 14 as Wiper blade main body 10 and implemented, but be not limited thereto, also can use structure of using in summer that the scraping blade cover is not set etc. and implement.

Claims (6)

1. Wiper blade, by being located at the fabricated section on the Wiper blade main body, can load and unload on any one of the little U font hook portion of the front end of the Wiper arm that is arranged at vehicle and radius of curvature and the thickness big U font hook portion that little U font hook portion is big than this, it is characterized in that

Above-mentioned fabricated section possess the above-mentioned little U font hook portion of front end of chimeric above-mentioned Wiper arm or above-mentioned big U font hook portion gomphosis part and and this gomphosis part between can keep and the fixed parts of fixing above-mentioned big U font hook portion,

Above-mentioned gomphosis part has fitting portion, this fitting portion be provided with the fastening pawl that can be loaded and unloaded in the leading section fastening hole nearby that is located at above-mentioned little U font hook portion and leading section that can the above-mentioned big U font hook portion of closed contact nearby medial surface and chimeric step portion.

2. Wiper blade according to claim 1 is characterized in that,

Above-mentioned gomphosis part has the pair of sidewalls portion of the two sides that can keep above-mentioned little U font hook portion and above-mentioned big U font hook portion and is located at above-mentioned fitting portion between this pair of sidewalls portion, its upper side of this fitting portion constitutes the shape of the medial surface of the above-mentioned big U font hook portion of closed contact, its downside until specified length constitute the above-mentioned little U font hook portion of closed contact medial surface shape and be provided with the fastening pawl, then form above-mentioned step portion if surpassed afore mentioned rules length

The said fixing parts are in the chimeric above-mentioned little U font hook portion of above-mentioned gomphosis part or a side of above-mentioned big U font hook portion, have the maintaining part of the shape that downside can keep with the lateral surface closed contact of above-mentioned big U font hook portion.

3. Wiper blade according to claim 1 and 2 is characterized in that,

Above-mentioned fitting portion at above-mentioned gomphosis part, be formed with shrinkage pool in a side relative with a side of chimeric above-mentioned little U font hook portion or above-mentioned big U font hook portion, the downside with flexible flexible strip on the part of the downside that is formed at this fitting portion is provided with above-mentioned fastening pawl.

4. according to each described Wiper blade in the claim 1 to 3, it is characterized in that,

The said fixing parts serve as that axle rotatably is connected above-mentioned gomphosis part and the relative side of a side chimeric above-mentioned little U font hook portion or above-mentioned big U font hook portion with the Width of above-mentioned Wiper blade main body, portion is formed with the slotting port that can insert logical above-mentioned little U font hook portion and above-mentioned big U font hook portion in the central, in the chimeric above-mentioned little U font hook portion of above-mentioned gomphosis part or a side of above-mentioned big U font hook portion, be formed with a pair of auxiliary section

Above-mentioned gomphosis part is formed with a pair of fastening sheet of the above-mentioned a pair of auxiliary section that can load and unload the said fixing parts in the chimeric above-mentioned little U font hook portion of the above-mentioned gomphosis part of above-mentioned pair of sidewalls portion or a side of above-mentioned big U font hook portion,

Between said fixing parts and above-mentioned gomphosis part, can keep and fixing above-mentioned big U font hook portion.

5. according to each described Wiper blade in the claim 1 to 4, it is characterized in that,

Above-mentioned fabricated section possesses the mounting seat parts, and these mounting seat parts have a pair of assembly wall portion that a pair of rivet is inserted general hole that is provided with,

Above-mentioned mounting seat parts are fixedly mounted on the upper surface of above-mentioned Wiper blade main body in the mode of the length direction almost parallel of above-mentioned a pair of assembly wall portion and this Wiper blade main body,

Be provided with the slotting general hole of rivet in the chimeric above-mentioned little U font hook portion of above-mentioned gomphosis part or a side of above-mentioned big U font hook portion,

Between the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts, embed above-mentioned gomphosis part and said fixing parts, the rivet of inserting general hole and above-mentioned gomphosis part at the rivet of the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts is inserted and is inserted logical rivet in the general hole, and above-mentioned gomphosis part and said fixing parts serve as that axle rotatably connects with the short side direction of above-mentioned Wiper blade main body.

6. Wiper blade according to claim 5 is characterized in that,

Above-mentioned fabricated section possesses isolated part, this isolated part has rivet and inserts general hole and a pair of isolated wall, this a pair of isolated wall is provided with the circular-arc projection in cross section with the length direction almost parallel of above-mentioned Wiper blade main body at lateral surface, and it is also narrow between the medial surface of width than the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts

Medial surface in the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts is formed with the circular-arc guiding groove of the circular-arc projection in the above-mentioned cross section of guiding,

The rivet that the rivet of the above-mentioned a pair of isolated wall of above-mentioned isolated part is inserted general hole and above-mentioned gomphosis part is inserted general hole and is formed drum shape after chimeric,

Between the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts, embed above-mentioned gomphosis part and said fixing parts by above-mentioned isolated part, the rivet that the rivet of inserting general hole, above-mentioned isolated part at the rivet of the above-mentioned a pair of assembly wall portion of above-mentioned mounting seat parts is inserted general hole and above-mentioned gomphosis part is inserted and is inserted logical rivet in the general hole, and it can be the axle swing with the length direction of above-mentioned Wiper blade main body that above-mentioned gomphosis part and said fixing parts connect into above-mentioned isolated part.

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