CN213892440U - Multifunctional windscreen wiper with double wiper strips - Google Patents

Abstract

The utility model discloses a multi-functional wiper with two windscreen wiper strips relates to car windscreen wiper technical field, including the windscreen wiper strip, detain claw, steel sheet, mounting, vortex sheath, base and adapter. The wiper strip includes first wiper strip and second wiper strip, and the outer edge of a knife of first wiper strip receives the pressure of applying after swing strip deformation, and the interior edge of a knife of second wiper strip receives the pressure of applying after swing strip deformation to and the pressure of applying after the portion of receiving bumps with resistance to compression portion, and the pressure that the interior edge of a knife of second wiper strip received is greater than the pressure that the outer edge of a knife of first wiper strip received. The utility model discloses the outer edge of a knife of multi-functional wiper keeps off dirty such as grime dust in the outside, and the inboard interior edge of a knife is difficult for gluing dirty such as grime dust, when wiper during operation, can clean water after decontaminating earlier, dual water of scraping, the damage of the edge of a knife in the reduction improves work efficiency, lasts to keep good water effect of scraping, extension wiper life.

Description

Multifunctional windscreen wiper with double wiper strips

Technical Field

The utility model relates to an automobile windscreen wiper technical field specifically is a multi-functional wiper with two windscreen wiper strips.

Background

1, the types of the existing automobiles are more and more, the wipers of various automobiles are not universal, the types of the wipers are various, most of the accessories of the wipers cannot be universal, the development, production and management costs of the wiper accessories are increased invisibly, and some wiper accessories are extremely similar and are easy to be mistakenly used, so that the wiping effect is poor.

2. The real working time of the windscreen wiper is less than 10%, 90% of the time is pressed on the glass by the windscreen wiper arm, and the windscreen wiper is damaged by the heavy pressure of the windscreen wiper arm (the pressure difference of some windscreen wiper arms using the same long windscreen wiper is about 0.5 kg in practical tests, and the windscreen wiper can only be designed according to light pressure, so that a windscreen wiper rubber strip can be influenced by the heavy pressure), high-temperature ozone and other environments, so that the wiper strip scraping piece is easy to deform, the wiping angle is too small, the contact surface of the blade and the glass is increased, the abrasion of the blade edge of the scraping piece is accelerated, the problems of water leakage and the like are easily caused, and the service life is shortened.

3. The windscreen wiper stops on the vehicle glass for 90% of the time, flying sand, dust, bird droppings, leaves, branches, fruits and other dirt fall onto the vehicle glass, are particularly accumulated at the windscreen wiper position and are adhered to the edge of the wiper blade, only one wiper blade is arranged on the existing windscreen wiper, rainwater, dirt and the like need to be scraped, the dirt attached to the glass cannot be scraped once, the un-scraped dirt remains on the vehicle glass and the edge of the wiper blade to enable the vehicle glass to be blurred, the wiper blade can be scraped repeatedly for a long time, the working efficiency is low, the wiping effect is rapidly deteriorated due to the fact that the edge of the wiper blade is damaged, and the service life is short.

4. In order to improve the working efficiency and the service life of the wiper blade, some inventors have designed and developed the wiper blade with double wiper blades, but the result is that: first excellent in use effect, will appear scraping water effect variation scheduling problem after the strip of scraping rain is out of shape in the short time factor destruction such as high temperature, windscreen wiper arm pressure, have the patent number to be: CN2019207962674 is named as a windscreen wiper with a double-wiper strip combination, and has the advantages that the problem that the wiping effect is poor after the wiper strip is deformed is effectively solved, the functions of removing dirt firstly and wiping water and double wiping water are achieved, the structure is further optimized for enhancing the supporting strength of the double-wiper strip, the double wiper blades are continuously kept at the standard wiping angle, the abrasion and the damage of the edge of each wiper blade are reduced, and the service life is longer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional wiper with two windscreen wiper strips, it is strong to have the suitability, convenient to use, can positive or 180 degrees backward after the windscreen wiper strip installation with the adapter assembly, can effectively solve to scrape water the angle undersize and the hourglass that leads to scrape water, shake, abnormal sound problem, realized wiping earlier after decontaminating water, dual scraping water, sword mouth wearing and tearing and damage in reducing, extension wiper life's beneficial effect to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a multi-functional wiper with two windscreen wiper strips, includes the windscreen wiper strip, detains claw, steel sheet, mounting, vortex sheath, base and adapter, and the windscreen wiper strip is installed in detaining the claw, detains the claw top and passes the steel sheet to be connected with the steel sheet, the mounting is connected with the steel sheet, and the vortex sheath bottom side is located to the steel sheet, and is connected with the vortex sheath, and the base is connected with the vortex sheath, and the adapter is connected with the base.

The wiper strip includes first wiper strip and second wiper strip, first wiper strip middle part is equipped with anti splenium, resistance to compression portion bottom side is equipped with the swing strip, the swing strip is connected with resistance to compression portion, swing strip below is equipped with the doctor-bar, the doctor-bar is connected with the swing strip, doctor-bar one side is equipped with the portion of receiving pressure, the opposite side is equipped with support bar and supporting part, the doctor-bar bottom is equipped with interior edge of a knife and outer edge of a knife, be equipped with mirror symmetry's anti splenium on the second wiper strip, the swing strip, the doctor-bar, receive the portion of receiving pressure, the support bar, the.

The outer edge of a knife of first rain strip receives the pressure of applying after swing strip deformation, the interior edge of a knife of second rain strip receives the pressure of applying after swing strip deformation to and the pressure of applying after receiving portion and resistance to compression portion bumps, the support bar of the doctor-bar of second rain strip with the support portion of the doctor-bar of first rain strip touches mutually and promotes the doctor-bar of first rain strip, the pressure that receives of the interior edge of a knife of second rain strip is greater than the pressure that receives of the outer edge of a knife of first rain strip.

As a further aspect of the present invention: first windscreen wiper strip top is equipped with the butt joint strip, second windscreen wiper strip top be equipped with butt joint strip assorted butt joint mouth, first windscreen wiper strip upper portion is equipped with butt joint mouth and butt joint strip in turn, butt joint mouth and butt joint strip are all located and are docked the strip below, dock the strip with last butt joint strip and be connected, second windscreen wiper strip upper portion is equipped with the butt joint mouth and the butt joint strip of matcing, it is equipped with the steel sheet draw-in groove to dock between strip and the butt joint strip on, the steel sheet draw-in groove sets up with the butt joint mouth parallel and level, be equipped with butt joint mouth and butt joint strip down on the first windscreen wiper strip in turn, butt joint strip below is located to butt joint mouth and butt joint strip down, be equipped with the butt joint strip and the lower butt joint mouth of matcing on the second windscreen wiper strip.

As a further aspect of the present invention: the wiper strip is characterized in that the inner edge and the outer edge are right-angled, an inner edge supporting part is arranged above the outer edge, an outer edge supporting part is arranged above the inner edge, the supporting strips, the supporting parts, the compression parts, the inner edge, the outer edge, the inner edge supporting part and the outer edge supporting part are all integrally formed with the wiper strip, the outer sides of the outer edge supporting part and the inner edge supporting part are linear surfaces or arc surfaces, the area of the inner edge supporting part is larger than that of the outer edge supporting part, and the second wiper strip is provided with mirror-symmetrical inner edges, outer edges, inner edge supporting parts and outer edge supporting parts; the bottom surface of the pressure resisting part is horizontal or forms an inclined plane downwards from the outer side of the upper end of the swinging strip, and the upper side of the pressure bearing part is horizontal or forms an inclined plane upwards from the outer side of the lower end of the swinging strip.

As a further aspect of the present invention: the minimum vertical distance between the inner knife edges of the wiper blades of the first wiper strip and the second wiper strip is 1.9-4.0 mm, the vertical distance from the innermost side of the supporting strip to the inner side of the swing strip is L1, the minimum vertical distance L2 between the inner sides of the swing strips of the first wiper strip and the second wiper strip is 1.7-3.0 mm, L1 is smaller than half of L2, and L1 is smaller than the height of the swing strips.

As a further aspect of the present invention: the length of butt joint strip is greater than 1.5mm, and be less than the interface, butt joint strip thickness is greater than the butt joint strip and is less than last butt joint strip down, be equipped with between the butt joint strip of first windscreen wiper strip and the resistance to compression portion and collude the piece draw-in groove, be equipped with mirror symmetry's colluding the piece draw-in groove on the second windscreen wiper strip, the distance of colluding the piece draw-in groove of first windscreen wiper strip to between the even interface is L3, the perpendicular distance of colluding the piece draw-in groove of second windscreen wiper strip to interface down is L4, L3 and L4 all are greater than 1.8 mm.

As a further aspect of the present invention: the buckling claw comprises a supporting rod, a supporting point, a clamping groove, a double-windscreen wiper strip clamping groove, a groove and a hook piece, wherein the supporting point is arranged in the middle of the supporting rod, the clamping groove is arranged on one side of the supporting point and is arranged on the supporting rod, the double-windscreen wiper strip clamping groove is arranged at the end part of the supporting rod, the groove is arranged at the top of the double-windscreen wiper strip clamping groove and is integrally formed with the double-windscreen wiper strip clamping groove, and the hook piece is arranged at the bottom of the double-windscreen wiper strip clamping groove and is integrally formed with the supporting rod; the clamping groove is inserted into the steel sheet and connected with the steel sheet, and the supporting point is propped against the steel sheet.

As a further aspect of the present invention: the mounting includes the mounting body, the mounting body bilateral symmetry is equipped with the spacing piece of single steel sheet, the single steel sheet riveting piece, the spacing piece of two steel sheets and two steel sheet riveting piece, windscreen wiper strip activity groove, the spacing piece of single steel sheet is located two spacing piece one sides of steel sheet, two steel sheet riveting piece one side are located to the single steel sheet riveting piece, the spacing piece of single steel sheet, the single steel sheet riveting piece, the spacing piece of two steel sheets and two steel sheet riveting piece all are connected with the mounting body, vertical distance L5 between the spacing piece of single steel sheet is less than the vertical distance between the spacing piece L6 of two steel sheets, mounting body middle part is equipped with windscreen wiper strip activity groove.

As a further aspect of the present invention: the steel sheet is a single steel sheet or double steel sheets, a tail end fastening claw groove, a middle fastening claw groove and a riveting hole are sequentially and symmetrically arranged on the single steel sheet, a single steel sheet positioning hole is formed in the middle of the single steel sheet, the tail end fastening claw groove is a rectangular hole groove, an interval salient point is arranged in the middle of the tail end fastening claw groove, the middle fastening claw groove is a rectangular hole groove, a boss is arranged at one end of the middle fastening claw groove, the width of one end of the middle fastening claw groove is larger than that of the other end, and the number of the middle fastening claw grooves is at least two; the double steel sheets are sequentially and symmetrically provided with riveting holes and double steel sheet positioning grooves.

As a further aspect of the present invention: the base comprises a base body, a fixing part limiting column, a fixing part limiting part, a fixing part limiting block, a steel sheet clamping piece, a positioning piece, an adapter limiting block, a boss clamping groove and a baffle plate, wherein the fixing part limiting column is arranged at the bottom of the base body, the fixing part limiting part is arranged on one side of the fixing part limiting column and connected with the base body, the fixing part limiting block is arranged on the bottom side of the base body and connected with the base body, the steel sheet clamping piece is arranged on one side of the fixing part limiting block and connected with the base body, the positioning piece is arranged on the top of the base body and connected with the base body, the inner side surface of the positioning piece is a plane, the outer side of the positioning piece is an arc surface, the positioning piece is arranged on the positioning piece and connected with the positioning piece, the outer side surface of one end of the positioning piece is an arc surface, the adapter limiting block is arranged on one side of the positioning piece and connected with the base body, the baffle plate is arranged at two ends of the base body and connected with the base body, the baffle is provided with a boss clamping groove, and the boss clamping groove and the baffle are rotationally symmetrically arranged at two ends of the base body.

As a further aspect of the present invention: the adapter includes the adapter body, rotatory hole, the holding piece, preceding boss, the back boss, the baffle groove, the spacer draw-in groove, spacing piece activity groove and spacing piece baffle, adapter body middle part is located in the rotatory hole, the rotatory downthehole is located to the holding piece, and with this body coupling of adapter, adapter body one side is located to the preceding boss, adapter body opposite side is located to the back boss, preceding boss and back boss rotational symmetry, cross-section from the baffle inslot side to the central point is the plane, the cross-section from the central point to the outside is the arcwall face, adapter body middle part is located to the spacer draw-in groove, the bottom of adapter body is located to the spacing piece activity groove, spacing piece activity groove one side is located to the spacing piece baffle, and with adapter body integrated into one piece.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the multifunctional windscreen wiper can be provided with different steel sheets, has strong applicability, convenient use and reduced cost;

2. the multifunctional windscreen wiper can be provided with different buckling claws, has strong applicability, convenient use and reduced cost;

3. the utility model discloses adapter and base of multi-functional wiper are rotational symmetry structure, can forward or 180 degrees backward assemble with the adapter after the wiper strip is installed, convenient to use, when the doctor-bar of wiper strip is pressed to be out of shape on car glass, can install 180 degrees backward wiper strip after installing, thereby make the doctor-bar of wiper strip lead the angle of wiping water at the standard naturally, slow down the interior edge of a knife wearing and tearing of adhesive tape, thus solve and wipe water the angle undersize and cause leak to wipe water, shake, the abnormal sound problem, lengthen life;

4. the utility model discloses two windscreen wiper strips composite mount of multi-functional windscreen wiper need not increase other materials, and is with low costs and the installation firm, when the windscreen wiper stops for a long time, the outer edge of a knife keeps off dirty such as grey sand dust in the outside, and the inboard interior edge of a knife is difficult for gluing dirty such as grey sand dust, when the windscreen wiper during operation, can clean earlier the water after wiping, dual wiping, the damage of the interior edge of a knife of reduction improves work efficiency, continuously keeps good wiping effect, extension windscreen wiper life.

Drawings

Fig. 1 is a schematic structural view of the multifunctional windscreen wiper of the present invention.

Fig. 2 is an exploded view of the multifunctional wiper of the present invention.

Fig. 3 is a schematic structural view of the adapter of the multifunctional windscreen wiper of the present invention.

Fig. 4 is a schematic structural view of the base in the multifunctional windscreen wiper of the present invention.

Fig. 5 is a schematic structural view of the fixing member in the multifunctional windscreen wiper of the present invention.

Fig. 6 is a schematic structural view of a double steel sheet in the multifunctional windscreen wiper of the present invention.

Fig. 7 is a schematic structural view of a single steel sheet in the multifunctional windscreen wiper of the present invention.

Fig. 8 is a partial enlarged view of U in fig. 7.

Fig. 9 is a schematic structural view of the installation of the single steel sheet and the fixing member in the multifunctional wiper of the present invention.

Fig. 10 is a partial enlarged view of P in fig. 9.

Fig. 11 is a schematic view of the structure of the multifunctional wiper of the present invention, in which the double steel sheets and the fixing member are installed.

Fig. 12 is a partial enlarged view of Q in fig. 11.

Fig. 13 is a schematic structural view of the first wiper strip and the second wiper strip of the multifunctional wiper of the present invention.

FIG. 14 is a schematic view of the structure of the multifunctional wiper after the first wiper strip and the second wiper strip are installed

Fig. 15 is a schematic structural view of the middle buckle claw of the multifunctional windscreen wiper of the present invention.

Fig. 16 is a schematic view of the structure of the multifunctional windscreen wiper of the present invention with a single steel plate and a snap-on pawl.

Fig. 17 is a partial enlarged view of S in fig. 16.

Fig. 18 is a partial enlarged view of T in fig. 16.

Fig. 19 is a schematic structural view of the multifunctional wiper of the present invention, in which the single steel sheet, the fixing member and the base are installed.

Fig. 20 is a partial enlarged view of R in fig. 19.

Fig. 21 is a schematic structural view of the multifunctional windscreen wiper of the present invention showing the installation of the adapter and the base.

Fig. 22 is a side view of the multifunctional wiper blade of the present invention.

Fig. 23 is a cross-sectional view taken along W-W in fig. 20.

Fig. 24 is a schematic structural view of a multifunctional wiper blade according to a second embodiment of the present invention.

Fig. 25 is a schematic structural view of a third wiper strip and a fourth wiper strip in a multifunctional wiper according to a second embodiment of the present invention.

Fig. 26 is a schematic structural view of a multifunctional wiper according to the second embodiment of the present invention after a third wiper strip and a fourth wiper strip are mounted.

Fig. 27 is a side view of a multifunctional wiper blade according to a second embodiment of the present invention.

Fig. 28 is a sectional view taken along the direction I-I in fig. 27.

The labels in the figure are:

A. an adapter; B. a base; C. a fixing member; d1, single steel sheet; d2, double steel sheets; E. a turbulent flow sheath; F. buckling claws; G. a wiper strip; H. a small steel sheet;

1. rotating the hole; 2. a clamping piece; 3. a front boss; 4. a rear boss; 5. a baffle slot; 6. a positioning sheet clamping groove; 7. A limiting sheet movable groove; 8. a limiting sheet baffle;

20. a fixing part limiting column; 21. a fixing member limiting portion; 22. a fixed part limiting block; 23. steel sheet clamping; 24. positioning blocks; 25. positioning plates; 26. an adapter limiting block; 27. a boss clamping groove; 28. a baffle plate; 30. A single steel sheet limiting sheet; 31. riveting a single steel sheet into a pressing sheet; 32. a double-steel-sheet limiting sheet; 33. riveting and pressing double steel sheets; 34. A wiper strip movable groove;

40. the tail end is buckled with a claw groove; 41. spacing the bumps; 42. a middle claw fastening groove; 43. riveting holes; 44. positioning a double-steel-sheet groove; 45. single steel sheet positioning holes;

90. a support bar; 91. a support point; 92. a card slot; 93. a double wiper strip slot; 94. a groove; 95. hooking sheets; g1, a first wiper strip; g2, second wiper strip; g3, third wiper strip; g4, fourth wiper strip; g5, a doctor blade;

60. an upper butt joint strip; 61. an upper interface; 62. a butt joint port; 63. butting strips; 64. a lower butt joint strip; 65. a lower butt joint port; 66. a compression resistant portion; 67. a swing bar; 68. a supporting strip; 69. a pressure receiving portion; 70. a support portion; 71. An inner blade edge; 72. an outer blade; 73. an inner blade support portion; 74. an outer blade support portion; 75. a hook sheet clamping groove; 76. a steel sheet clamping groove; 77. a fixed block; 78. a double-steel-disc clamping groove; 79. a connecting portion; 80. a backrest surface; 81. And (5) vehicle glass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, in an embodiment of the present invention, a multifunctional wiper with dual wiper strips G includes a wiper strip G, a buckling claw F, a steel sheet, a fixing member C, a turbulent flow sheath E, a base B and an adapter a, the wiper strip G is installed in the buckling claw F, the top end of the buckling claw F passes through the steel sheet and is connected with the steel sheet, the fixing member C is connected with the steel sheet, the steel sheet is installed on the bottom side of the turbulent flow sheath E and is connected with the turbulent flow sheath E, the base B is connected with the turbulent flow sheath E, and the adapter a is connected with the base B; referring to fig. 13 to 14, the wiper strip G includes a first wiper strip G1 and a second wiper strip G2, a pressure-resistant portion 66 is disposed in the middle of the first wiper strip G1, a swinging strip 67 is disposed at the bottom side of the pressure-resistant portion 66, the swinging strip 67 is connected to the pressure-resistant portion 66, a wiper blade G5 is disposed below the swinging strip 67, the wiper blade G5 is connected to the swinging strip 67, a pressure-resistant portion 69 is disposed at one side of the wiper blade G5, and a supporting strip 68 and a supporting portion 70 are disposed at the other side; furthermore, the bottom surface of the pressure-resistant part 66 is horizontal or forms an inclined surface downwards from the outer side of the upper end of the swinging strip 67, the upper side of the pressure-resistant part 69 is horizontal or forms an inclined surface upwards from the outer side of the lower end of the swinging strip 67, and the design is favorable for adjusting the optimal attack angle of the wiper blade G5; the bottom of the wiper blade G5 is provided with an inner blade 71 and an outer blade 72, and the second wiper strip G2 is provided with a compression-resistant part 66, a swinging strip 67, a wiper blade G5, a compression-resistant part 69, a supporting strip 68, a supporting part 70, an inner blade 71 and an outer blade 72 which are in mirror symmetry; referring to fig. 21 and 23, the outer blade edge 72 of the first wiper strip G1 receives the pressure applied after the swing strip 67 is deformed, the inner blade edge 71 of the second wiper strip G2 receives the pressure applied after the swing strip 67 is deformed, and the pressure applied after the pressure receiving portion 69 touches the pressure receiving portion 66, and the support bar 68 of the wiper blade G5 of the second wiper strip G2 touches the support portion 70 of the wiper blade G5 of the first wiper strip G1 and pushes the wiper blade G5 of the first wiper strip G1, and the pressure applied to the inner blade edge 71 of the second wiper strip G2 is greater than the pressure applied to the outer blade edge 72 of the first wiper strip G1. The multifunctional windscreen wiper can be provided with different steel sheets, has strong applicability, convenient use and reduced cost; the multifunctional windscreen wiper can be provided with different buckling claws F, so that the multifunctional windscreen wiper has strong applicability, convenient use and reduced cost; the utility model discloses adapter A and base B of multi-functional wiper are rotational symmetry structure, can forward or 180 degrees reverse and adapter A assembly after the installation of wiper strip G, convenient to use, when wiper strip G5 of wiper strip G is pressed to be out of shape on car glass 81, can carry out 180 degrees reverse installation with wiper strip G after the installation, thereby make wiper strip G can lead the angle of attack normally naturally, slow down the wearing and tearing of interior edge of a knife 71 of adhesive tape and outer edge of a knife 72, thereby solve the problem of the hourglass water of scraping that the angle of scraping is too little and lead to, shake, abnormal sound, extension wiper life; the utility model discloses wiper strip G composite set of multi-functional wiper need not increase other materials, and is with low costs and the installation firm, when the wiper stops for a long time, outer edge of a knife 72 keeps off dirty such as grey sand dust in the outside, and inboard interior edge of a knife 71 is difficult for gluing dirty such as grey sand dust, when the wiper during operation, can clean soil earlier before and scrape water, dual scraping water, the damage of edge of a knife 71 in reducing improves work efficiency, continuously keeps good scraping water effect, extension wiper life.

In a preferred embodiment of the present invention, please refer to fig. 13 to 14, an upper butt joint strip 60 is disposed on the top of the first wiper strip G1, a butt joint port 62 matched with the butt joint strip 63 is disposed on the top of the second wiper strip G2, the butt joint port 62 and the butt joint strip 63 are alternately disposed on the upper portion of the first wiper strip G1, the butt joint port 62 and the butt joint strip 63 are both disposed below the upper butt joint strip 60, the butt joint strip 63 is connected to the upper butt joint strip 60, the butt joint port 62 and the butt joint strip 63 are disposed on the upper portion of the second wiper strip G2, a steel sheet clamping groove 76 is disposed between the upper butt joint strip 60 and the butt joint strip 63, the steel sheet clamping groove 76 is disposed flush with the butt joint port 62, and further, a small steel sheet H is mounted on the steel sheet clamping groove 76 to enhance the supporting strength of the first wiper strip G1 and the second wiper strip G2; the first wiper strip G1 is alternately provided with a butt joint port 62 and a lower butt joint strip 64, the butt joint port 62 and the lower butt joint strip 64 are arranged below the butt joint strip 63, the lower butt joint strip 64 is connected with the butt joint strip 63, and the second wiper strip G2 is provided with a matched butt joint strip 63 and a matched lower butt joint port 65.

In a preferred embodiment of the present invention, referring to fig. 13-14, the inner blade 71 and the outer blade 72 are right-angled, the inner blade support portion 73 is disposed above the outer blade 72, the outer blade support portion 74 is disposed above the inner blade 71, the support bar 68, the support portion 70, the pressure receiving portion 69, the inner blade 71, the outer blade 72, the inner blade support portion 73, and the outer blade support portion 74 are all integrally formed with the wiper G5, the outer sides of the outer blade support portion 74 and the inner blade support portion 73 are linear surfaces or arc surfaces, the area of the inner blade support portion 73 is larger than that of the outer blade support portion 74, the design enhances the support strength of the inner blade 71, slows down the deformation of the wiper under the factors such as G5 heavy pressure, high temperature ozone, and the like, and increases the space above the inner blade 71; the second wiper strip G2 is provided with an inner blade opening 71, an outer blade opening 72, an inner blade opening support part 73 and an outer blade opening support part 74 which are mirror-symmetrical on the wiper blade G5.

In a preferred embodiment of the present invention, referring to fig. 13 to 14, a minimum vertical distance between the first wiper strip G1 and the inner blade opening 71 of the wiper blade G5 of the second wiper strip G2 is 1.9 to 4.0mm, and a minimum vertical distance L2 between the inner sides of the swing strip 67 of the first wiper strip G1 and the second wiper strip G2 is 1.7 to 3.0mm, so that the design can achieve the function of wiping dirt, and can effectively solve the problems that the distance between the two wiper blades G5 is too large, the sound of swing is large, the two wiper blades G5 cannot be mutually matched, and the wiping dirt-removing effect is poor; further, the vertical distance from the innermost side of the supporting strips 68 to the inner side of the swinging strip 67 is L1, L1 is smaller than half of L2, and L1 is smaller than the height of the swinging strip 67, so that the two wiper blades G5 are matched with each other, the two supporting strips 68 cannot touch each other, the supporting strips 68 cannot touch the lower butt joint strip 64, and the wiping and decontamination functions can be realized.

In a preferred embodiment of the present invention, referring to fig. 13-14, the length of the butt-joint strip 63 is greater than 1.5mm and smaller than the butt-joint port 62, the thickness of the lower butt-joint strip 64 is greater than that of the butt-joint strip 63 and smaller than that of the upper butt-joint strip 60, and this design can effectively solve the problems that the butt-joint strip 63 and the butt-joint port 62 are mutually squeezed after being installed and become inclined, the first wiper strip G1 and the second wiper strip G2 become soft at high temperature, and the supporting force above the swing strip 67 is insufficient; the wiper strip comprises a first wiper strip G1, a first butt joint strip 63, a second wiper strip G2, a first wiper strip G1 and a second wiper strip G3625, wherein a hook piece clamping groove 75 is arranged between the butt joint strip 63 and a pressure resisting portion 66 of the first wiper strip G1, mirror-symmetrical hook piece clamping grooves 75 are arranged on the second wiper strip G2, the distance from the hook piece clamping groove 75 of the first wiper strip G1 to the flush butt joint port 62 is L3, the vertical distance from the hook piece clamping groove 75 of the second wiper strip G2 to the lower butt joint port 65 is L4, and L3 and L4 are both larger than 1.8 mm.

In a preferred embodiment of the present invention, referring to fig. 15, the fastening claw F includes a support rod 90, a support point 91, a clamping groove 92, a double wiper strip clamping groove 93, a groove 94 and a hook piece 95, the support point 91 is disposed in the middle of the support rod 90, the clamping groove 92 is disposed on one side of the support point 91 and disposed on the support rod 90, the double wiper strip clamping groove 93 is disposed at the end of the support rod 90, the groove 94 is disposed at the top of the double wiper strip clamping groove 93 and integrally formed with the double wiper strip clamping groove 93, and the hook piece 95 is disposed at the bottom of the double wiper strip clamping groove 93 and integrally formed with the support rod 90; the clamping groove 92 is inserted into the single steel sheet D1 and connected with the single steel sheet D1, and the supporting point 91 is pressed against the single steel sheet D1.

The utility model discloses an embodiment of a preferred, please refer to fig. 5, mounting C includes the mounting body, the mounting body bilateral symmetry is equipped with spacing piece 30 of single steel sheet, single steel sheet riveting piece 31, spacing piece 32 of two steel sheets and two steel sheet riveting piece 33, wiper strip movable groove 34, spacing piece 30 of single steel sheet is located two steel sheet spacing piece 32 one side, single steel sheet riveting piece 31 is located two steel sheet riveting piece 33 one side, spacing piece 30 of single steel sheet, single steel sheet riveting piece 31, spacing piece 32 of two steel sheets and two steel sheet riveting piece 33 all with this body coupling of mounting, perpendicular distance L5 between the spacing piece 30 of single steel sheet is less than perpendicular distance L6 between the spacing piece 32 of two steel sheets, the steel sheet of different widths is convenient for install in this design, mounting body middle part is equipped with wiper strip movable groove 34.

The utility model discloses can use single steel sheet D1 or two steel sheets D2, the mountable detains claw F more than two kinds simultaneously. Referring to fig. 7, when the single steel sheet D1 of the present invention is used, the single steel sheet D1 is sequentially and symmetrically provided with the tail fastening claw groove 40, the middle fastening claw groove 42 and the riveting hole 43, and the middle of the single steel sheet D1 is provided with the single steel sheet positioning hole 45; furthermore, the tail end buckling claw groove 40 is a rectangular hole groove, and a spacing salient point 41 is arranged in the middle of the long edge of one side, so that buckling claws F with different lengths can be conveniently installed; furthermore, the middle buckling claw groove 42 is a rectangular hole groove, one end of the middle buckling claw groove 42 is provided with a boss, the width of one end of the middle buckling claw groove 42 is larger than that of the other end, and at least more than 2 middle buckling claw grooves 42 are formed in one single steel sheet D1, so that the buckling claw F is convenient to mount, the sliding space of the buckling claw F is small, and the stress is more balanced and stable. Referring to fig. 6, when the present invention uses the double steel sheet D2, the double steel sheet D2 is sequentially and symmetrically provided with the riveting hole 43 and the double steel sheet positioning slot 44.

Referring to fig. 4, the base B includes a base body, a fixing member limiting post 20, a fixing member limiting portion 21, a fixing member limiting block 22, a steel sheet clamping piece 23, a positioning block 24, a positioning piece 25, an adapter limiting block 26, a boss clamping groove 27 and a baffle 28, the fixing member limiting post 20 is disposed at the bottom of the base body, the fixing member limiting portion 21 is disposed at one side of the fixing member limiting post 20 and connected with the base body, the fixing member limiting block 22 is disposed at the bottom of the base body and connected with the base body, the steel sheet clamping piece 23 is disposed at one side of the fixing member limiting block 22 and connected with the base body, the positioning block 24 is disposed at the top of the base body and connected with the base body, the inner side surface of the positioning block 24 is a plane, the outer side is an arc surface, the positioning piece 25 is disposed on the positioning block 24 and connected with the positioning block 24, the outer side surface of one end of the positioning piece 25 is an arc surface, the adapter limiting block 26 is disposed at one side of the positioning block 24, the baffle 28 is arranged at two ends of the base body and connected with the base body, the baffle 28 is provided with a boss clamping groove 27, and the boss clamping groove 27 and the baffle 28 are arranged at two ends of the base body in a rotational symmetry manner.

Please refer to fig. 3, the adapter a includes the adapter body, the rotation hole 1, the clamping piece 2, the front boss 3, the back boss 4, the baffle groove 5, the spacer clamping groove 6, the spacing piece activity groove 7 and the spacing piece baffle 8, the rotation hole 1 is arranged in the middle of the adapter body, the clamping piece 2 is arranged in the rotation hole 1 and connected with the adapter body, the front boss 3 is arranged on one side of the adapter body, the back boss 4 is arranged on the other side of the adapter body, the front boss 3 and the back boss 4 are rotationally symmetric, the cross section from the outside of the baffle groove 5 to the center position is a plane, the cross section from the center position to the outside is an arc surface, the spacer clamping groove 6 is arranged in the middle of the adapter body, the spacing piece activity groove 7 is arranged at the bottom of the adapter body, the spacing piece baffle 8 is arranged on one side of the spacing piece activity groove 7 and is integrally formed with the adapter body.

The utility model discloses installation, the order of multi-functional wiper specifically as follows:

firstly, a single steel sheet D1 or a double steel sheet D2 is installed on a fixing member C, referring to fig. 9 to 10, the installation process of the single steel sheet D1 and the fixing member C is as follows: one end of the single steel sheet D1 leans between the two single steel sheet limiting sheets 30 of the fixing piece C, the fixing piece C penetrates through the middle position of the single steel sheet D1, the steel sheet positioning hole is positioned on riveting equipment, meanwhile, the fixing piece C is limited, under the punching of the equipment, the single steel sheet riveting sheet 31 and the double steel sheet riveting sheet 33 are punched to be firmly combined with the single steel sheet D1, and meanwhile, part of the position of the single steel sheet riveting sheet 31 penetrates into the riveting hole 43 to enhance the clamping force.

Referring to fig. 11 to 12, the installation process of the double steel sheet D2 and the fixing member C is as follows: the double-steel-piece positioning groove 44 on one side of the double-steel-piece D2 is inserted into the single-steel-piece limiting piece 30 on one side of the fixing piece C, the other side of the double-steel-piece D2 is inserted into the single-steel-piece limiting piece 30 on the other side of the fixing piece C, the double-steel-piece D2 and the fixing piece C are fixed onto riveting equipment together, under the stamping of the equipment, the single-steel-piece riveting piece 31 and the double-steel-piece riveting piece 33 are stamped to be firmly combined with the double-steel-piece D2, and meanwhile, part of the position of the double-steel-piece riveting piece 33 can penetrate into the riveting hole 43 to enhance the clamping force.

Secondly, the fixing member C and the base B are installed, referring to fig. 19 to 20, the installation process of the fixing member C and the base B is as follows: one end of the single steel sheet D1 or the double steel sheet D2 penetrates from the fixing piece limiting part 21 of the base B to the fixing piece limiting column 20 until the fixing piece C slides through the fixing piece limiting part 21, and the fixing piece C is installed in the base B under the fixing of the fixing piece limiting column 20 and the fixing piece limiting part 21 and the fixing piece limiting block 22. Under the limit of the steel sheet card 23, the large-arc single steel sheet D1 or double steel sheets D2 become flat. The deformation of the wiper strip G which is pressed on the packaging box at the two ends of the multifunctional windscreen wiper is reduced, and the wiping effect is not influenced.

Thirdly, mounting the buckling claw F and the single steel sheet D1, referring to the attached drawings of 16-18, wherein the mounting process of the buckling claw F and the single steel sheet D1 is as follows: the clamping groove 92 in the buckling claw F is aligned to the positions of the buckling claw F hole at the tail end of the single steel sheet D1 and one end of the wide side of the middle buckling claw F hole, the buckling claw F is inserted in a cross mode, the clamping groove 92 is buckled on the single steel sheet D1 after the buckling claw F is rotated by 90 degrees, the long buckling claw F is used for installing one end of the interval boss towards the inner side, and the short buckling claw F is used for installing one end of the interval boss towards the outermost side. Under the limit of the spacing lug bosses and the narrow edges of the holes of the middle buckling claws F, the sliding space of the buckling claws F in the grooves is small, and when the multifunctional windscreen wiper works, the supporting points 91 of the buckling claws F are propped against the single steel sheet D1. Each buckling claw F can automatically adjust different angles, and the stress is more balanced and stable.

Fourthly, mounting the turbulent flow sheath E and the steel sheet, wherein the mounting process of the turbulent flow sheath E and the steel sheet is as follows: and aligning the mounting grooves on the two sides of the turbulent flow sheath E to one end of the single steel sheet D1 or the double steel sheet D2 and pushing the turbulent flow sheath E, wherein the mounting grooves penetrate through the two sides of the single steel sheet D1 or the double steel sheet D2 and slide until the front end of the turbulent flow sheath E is inserted into the base B, and then the mounting of the turbulent flow sheath E and the steel sheets is completed.

Fifthly, the base B and the adapter a are installed, referring to fig. 21, the installation process of the base B and the adapter a is as follows: the base B and the adapter A are crossed in a cross mode, the positioning piece 25 is inserted into the rotating hole 1, the base B rotates clockwise, under the limiting of the rotating hole 1, the positioning piece 25 and the positioning block 24, the front boss 3 and the rear boss 4 slide into the boss clamping groove 27 in a smooth mode, the adapter limiting block 26 slides into the limiting block movable groove, the baffle groove 5 and the baffle 28 are tightly abutted, the adapter limiting block 26 and the limiting block baffle 8 are tightly abutted, the positioning piece 25 is shifted into the positioning piece clamping groove 6 and is clamped by the clamping piece 2, click sound is heard as installation in place, the adapter A and the base B are in a rotational symmetric structure, and forward or 180-degree reverse installation can be achieved.

Sixthly, finally, the first wiper strip G1 and the second wiper strip G2 are installed, referring to fig. 13 to 14, the installation process of the first wiper strip G1 and the second wiper strip G2 is as follows: the small steel sheet H is installed in the steel sheet clamping grooves 76 of the first wiper strip G1 and the second wiper strip G2, the upper butt joint strip 60 and the lower butt joint strip 64 of the first wiper strip G1 are inserted into the upper butt joint port 61 and the lower butt joint port 65 of the second wiper strip G2, the butt joint strip 63 is also inserted into the butt joint port 62, the integrated wiper strip G is combined, the front end of the wiper strip G penetrates through the double wiper strip clamping grooves 93 in each buckling claw F installed on the single steel sheet D1, meanwhile, each hooking piece 95 is inserted into the hooking piece clamping groove 75, the tail end of the wiper strip G is clamped on the last hooking piece 95, the hair edges generated in the molding of the wiper strip G are installed in the grooves 94, no burr is removed, no other materials are added to reinforce the wiper strip G, the structure is firm and low in cost, the butt joint strip 63 is shorter than the butt joint port 62, the wiper strip G cannot be extruded to be inclined mutually after the wiper strip G is installed, and the double wiper strips G5 are parallel without affecting the wiping effect.

The utility model discloses multi-functional wiper theory of operation as follows: referring to fig. 23, when the first wiper strip G1 and the second wiper strip G2 move leftward, the first wiper strip G1 is a front blade and the second wiper strip G2 is a rear blade, which are defined in terms of the direction of movement of the multifunctional wiper. When the multifunctional windscreen wiper works in the initial stage, under the pressure of a wiper arm, the adapter A and the base B exert pressure on the single steel sheet D1, and meanwhile, each buckling claw F is stressed and automatically adjusts the angle, so that the whole wiper strip G installed in the buckling claw F is uniformly stressed, under the support of the small steel sheet H and the anti-pressing part 66, the front wiper blade and the rear wiper blade are obliquely and tightly attached to the car glass 81 at different angles, at the moment, the swinging strip 67 deforms, the outer blade 72 of the front wiper blade only bears the pressure exerted by the deformation of the swinging strip 67, the inner blade 71 of the rear wiper blade not only bears the pressure exerted by the deformation of the swinging strip 67, but also bears the pressure exerted after the compression part 69 touches the anti-pressing part 66, and the inner blade 71 bears larger pressure. When the multifunctional windscreen wiper is in a long-term stop state, the outer blade 72 blocks dirt such as dust and dust at the outer side, the inner blade 71 at the inner side is not easy to stick to the dirt such as the dust and the dust, the double blades G5 are affected by pressure of a wiper arm and high temperature, the supporting part 70 of the first wiper strip G1 is in contact with the supporting strip 68 of the second wiper strip G2 to reduce the deformation of the blade G5, meanwhile, the swinging strip 67 is deformed to greatly reduce the pressure of the front blade in contact with the vehicle glass 81, so that the decontamination and water wiping capabilities are reduced, when the multifunctional windscreen wiper works, the rear blade is in contact with the supporting part 70 through the supporting strip 68 to transmit force to the front blade, the decontamination function of the front blade is maintained, but the pressure of the inner blade 71 is always greater than that of the outer blade 72, so that the effect of first decontamination and then water wiping is achieved, the function of double water scraping is the same in reverse direction. When the double-blade G5 is bent from straight deformation under the influence of pressure, high temperature and the like of the wiper arm for a long time, the wiper body is reversely arranged by 180 degrees with the adapter A, and the naturally-guiding deformed double-blade G5 is at a standard wiping angle, so that the abrasion of the edge of the double-blade G5 is reduced.

Example two:

the present embodiment is different from the first embodiment in that: referring to fig. 24 to 26, the wiper strip G of the present embodiment has the upper mating port 61 removed. The wiper strip G of the present embodiment includes a third wiper strip G3 and a fourth wiper strip G4, a fixing block 77 is disposed at the top of the third wiper strip G3, a connecting portion 79 and a double-steel-piece clamping groove 78 are disposed below the fixing block 77, the connecting portion 79 is connected to the fixing block 77, a backrest surface 80 is formed on a side surface where the fixing block 77 is connected to the connecting portion 79, the design facilitates installation of the third wiper strip G3 and the fourth wiper strip G4, other structures are the same as the wiper strip G of the first embodiment, a distance between a hook piece clamping groove 75 of the third wiper strip G3 and a corresponding butt joint 62 is L7, a vertical distance between a hook piece clamping groove 75 of the fourth wiper strip G4 and the lower butt joint 65 is L8, and L7 and L8 are both greater than 1.8 mm.

The third wiper strip G3 and the fourth wiper strip G4 were installed as follows: referring to fig. 25 to 26, a lower butt joint strip 64 of a third wiper strip G3 is inserted into a lower butt joint port 65 of a fourth wiper strip G4, a butt joint strip 63 is also inserted into a butt joint port 62, a backrest surface 80 of the third wiper strip G3 is attached to a backrest surface 80 of the fourth wiper strip G4, the wiper strip G combined into a whole penetrates from one end of the double steel sheet D2 with the mounting hole to the other end, two sides of a middle groove of the double steel sheet D2 are inserted into the double steel sheet clamping groove 78 and clamp the connecting portion 79, other materials are not needed to be added to reinforce the wiper strip G, the structure is firm and low in cost, the length of the butt joint strip 63 is smaller than the butt joint port 62, the wiper strip G cannot be squeezed and inclined with each other after being mounted, and the wiper effect is not affected by the parallel double wiper strips G5.

The utility model discloses multi-functional wiper of embodiment differs from the multi-functional wiper theory of embodiment one in that, please refer to fig. 27 ~ 28, adapter A and base B exert pressure on two steel sheets D2, do not need little steel sheet H and knot claw F, and the wiper strip G that presss from both sides between two steel sheets D2 is three and four direct evenly receive the pressure that two steel sheets D2 exerted with the wiper strip G.

The utility model discloses wiper strip G composite set of multi-functional wiper need not increase other materials, and is with low costs and the installation firm, when the wiper stops for a long time, outer edge of a knife 72 keeps off dirty such as grey sand dust in the outside, and inboard interior edge of a knife 71 is difficult for gluing dirty such as grey sand dust, when the wiper during operation, can clean soil earlier and scrape water, dual scraping water, edge of a knife 71 damage in reducing improves work efficiency, continuously keeps good effect of scraping water, extension wiper life.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (10)

1. A multifunctional windscreen wiper with double wiper strips is characterized by comprising the wiper strips, buckling claws, steel sheets, fixing pieces, turbulence sheaths, a base and an adapter, wherein the wiper strips are arranged in the buckling claws, the top ends of the buckling claws penetrate through the steel sheets and are connected with the steel sheets, the fixing pieces are connected with the steel sheets, the steel sheets are arranged on the bottom sides of the turbulence sheaths and are connected with the turbulence sheaths, the base is connected with the turbulence sheaths, and the adapter is connected with the base;

the wiper comprises a wiper strip, a wiper blade and a wiper blade, wherein the wiper strip comprises a first wiper strip and a second wiper strip, a pressure resisting part is arranged in the middle of the first wiper strip, a swing strip is arranged at the bottom side of the pressure resisting part and connected with the pressure resisting part, a wiper blade is arranged below the swing strip and connected with the swing strip, a pressure part is arranged at one side of the wiper blade, a supporting strip and a supporting part are arranged at the other side of the wiper blade, an inner knife edge and an outer knife edge are arranged at the bottom of the wiper blade, and the second wiper strip is provided with the pressure resisting part, the swing strip, the wiper blade, the pressure part, the supporting strip, the supporting part, the inner knife edge and the outer knife edge which are in mirror symmetry;

the outer edge of a knife of first rain strip receives the pressure of applying after swing strip deformation, the interior edge of a knife of second rain strip receives the pressure of applying after swing strip deformation to and the pressure of applying after receiving portion and resistance to compression portion bumps, the support bar of the doctor-bar of second rain strip with the support portion of the doctor-bar of first rain strip touches mutually and promotes the doctor-bar of first rain strip, the pressure that receives of the interior edge of a knife of second rain strip is greater than the pressure that receives of the outer edge of a knife of first rain strip.

2. The multifunctional wiper blade with double wiper strips as set forth in claim 1, the top of the first wiper strip is provided with an upper butt joint strip, the top of the second wiper strip is provided with a butt joint port matched with the butt joint strip, the upper part of the first wiper strip is alternately provided with a butt joint port and a butt joint strip which are both arranged below the upper butt joint strip, the butt joint strip is connected with the upper butt joint strip, the upper part of the second wiper strip is provided with a butt joint port and a butt joint strip which are matched, a steel sheet clamping groove is arranged between the upper butt joint strip and the butt joint strip, the steel sheet clamping groove is flush with the butt joint port, the first wiper strip is alternately provided with a butt joint port and a lower butt joint strip which are arranged below the butt joint strip, the lower butt joint strip is connected with the butt joint strip, and the second wiper strip is provided with a matched butt joint strip and a lower butt joint port.

3. The multifunctional windscreen wiper with double wiper strips as recited in claim 1, wherein said inner and outer edges are right-angled, an inner edge support is disposed above said outer edge, an outer edge support is disposed above said inner edge, said support strips, supports, pressure parts, inner, outer, inner and outer edges are all integrally formed with said wiper blades, the outer sides of said outer and inner edge supports are straight or arc surfaces, the area of said inner edge support is larger than that of said outer edge support, said second wiper strip has mirror-symmetrical inner, outer, inner and outer edges; the bottom surface of the pressure resisting part is horizontal or forms an inclined plane downwards from the outer side of the upper end of the swinging strip, and the upper side of the pressure bearing part is horizontal or forms an inclined plane upwards from the outer side of the lower end of the swinging strip.

4. The multifunctional wiper blade with two wiper strips as claimed in claim 1, wherein the minimum vertical distance between the inner blade edges of the wiper blades of the first and second wiper strips is 1.9-4.0 mm, the vertical distance from the innermost side of the supporting strip to the inner side of the oscillating strip is L1, the minimum vertical distance L2 between the inner sides of the oscillating strips of the first and second wiper strips is 1.7-3.0 mm, the L1 is less than half of the L2, and the L1 is less than the height of the oscillating strip.

5. The multifunctional wiper blade as claimed in claim 2, wherein the length of the butt-joint strip is greater than 1.5mm and smaller than the butt-joint opening, the thickness of the lower butt-joint strip is greater than that of the butt-joint strip and smaller than that of the upper butt-joint strip, a hook strip slot is provided between the butt-joint strip and the pressure-resisting portion of the first wiper strip, mirror-symmetrical hook strip slots are provided on the second wiper strip, the distance from the hook strip slot of the first wiper strip to the aligned butt-joint opening is L3, the vertical distance from the hook strip slot of the second wiper strip to the lower butt-joint opening is L4, and both L3 and L4 are greater than 1.8 mm.

6. The multifunctional wiper blade with double wiper strips as claimed in claim 1, wherein the locking claw comprises a support bar, a support point, a clamping groove of double wiper strips, a groove and a hook piece, the support point is arranged in the middle of the support bar, the clamping groove is arranged at one side of the support point and is arranged on the support bar, the clamping groove of double wiper strips is arranged at the end of the support bar, the groove is arranged at the top of the clamping groove of double wiper strips and is integrally formed with the clamping groove of double wiper strips, and the hook piece is arranged at the bottom of the clamping groove of double wiper strips and is integrally formed with the support bar; the clamping groove is inserted into the steel sheet and connected with the steel sheet, and the supporting point is propped against the steel sheet.

7. The multifunctional wiper blade with double wiper strips as claimed in claim 1, wherein the fixing member comprises a fixing member body, the fixing member body is symmetrically provided with a single-blade limiting piece, a single-blade riveting piece, a double-blade limiting piece and a double-blade riveting piece at both sides, the wiper strip moving groove is formed in the single-blade limiting piece at one side of the double-blade limiting piece, the single-blade riveting piece is arranged at one side of the double-blade riveting piece, the single-blade limiting piece, the single-blade riveting piece, the double-blade limiting piece and the double-blade riveting piece are all connected with the fixing member body, the vertical distance L5 between the single-blade limiting pieces is smaller than the vertical distance L6 between the double-blade limiting pieces, and the wiper strip moving groove is formed in the middle of the fixing member body.

8. The multifunctional wiper blade of claim 1, wherein the steel plate is a single steel plate or a double steel plate, the single steel plate is symmetrically provided with a tail end latch groove, a middle latch groove and a riveting hole in sequence, the middle of the single steel plate is provided with a single steel plate positioning hole, the tail end latch groove is a rectangular hole groove, the middle of the tail end latch groove is provided with a spacing convex point, the middle latch groove is a rectangular hole groove, one end of the middle latch groove is provided with a boss, one end of the middle latch groove is wider than the other end, and the number of the middle latch grooves is at least two; and the double steel sheets are sequentially and symmetrically provided with riveting holes and double steel sheet positioning grooves.

9. The multifunctional wiper blade of claim 1, wherein the base comprises a base body, a fixing member-limiting post, a fixing member-limiting portion, a fixing member-limiting block, a steel sheet-clamping piece, a positioning piece, an adapter-limiting block, a boss-clamping groove and a baffle, the fixing member-limiting post is disposed at the bottom of the base body, the fixing member-limiting portion is disposed at one side of the fixing member-limiting post and connected to the base body, the fixing member-limiting block is disposed at the bottom of the base body and connected to the base body, the steel sheet-clamping piece is disposed at one side of the fixing member-limiting block and connected to the base body, the positioning piece is disposed at the top of the base body and connected to the base body, the inner side surface of the positioning piece is a plane, the outer side of the positioning piece is an arc surface, the positioning piece is disposed on the positioning piece and connected to the positioning piece, the outer side surface of one end of the positioning piece is an arc surface, the adapter stopper is arranged on one side of the positioning block and connected with the base body, the baffle is arranged at two ends of the base body and connected with the base body, the baffle is provided with a boss clamping groove, and the boss clamping groove and the baffle are rotationally symmetrical and arranged at two ends of the base body.

10. The multifunctional wiper blade with double wiper strips as set forth in claim 1, the adapter comprises an adapter body, a rotary hole, a clamping piece, a front boss, a rear boss, a baffle groove, a positioning piece clamping groove, a limiting piece movable groove and a limiting piece baffle, wherein the rotary hole is arranged in the middle of the adapter body, the clamping piece is arranged in the rotary hole, and is connected with the adapter body, the front boss is arranged on one side of the adapter body, the rear boss is arranged on the other side of the adapter body, the front boss and the rear boss are rotationally symmetrical, the section from the outer side of the baffle plate groove to the central position is a plane, the section from the central position to the outer side is an arc-shaped surface, the positioning sheet clamping groove is arranged in the middle of the adapter body, the limiting sheet movable groove is arranged at the bottom of the adapter body, the limiting piece baffle is arranged on one side of the limiting piece moving groove and is integrally formed with the adapter body.

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