CN213354420U

CN213354420U - Improved combined type windshield wiper support and combined type windshield wiper

Info

Publication number: CN213354420U
Application number: CN202022323750.6U
Authority: CN
Inventors: 王书屋
Original assignee: Xiamen Fuke Car Accessories Co Ltd
Current assignee: Xiamen Fuke Car Accessories Co Ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-04
Anticipated expiration: 2030-10-19

Abstract

An improved composite windshield wiper support and a composite windshield wiper comprise a main framework, a pair of elastic sheet bodies, a plurality of fixed supports, a plurality of connecting pieces and a plurality of first pivot shafts; each elastic sheet body is respectively arranged at two ends of the main framework in a pivot connection way; each connecting piece is at least provided with a bearing joint surface which is mutually abutted and contacted with the end surface of one side of the elastic sheet body, and the bearing joint surface is at least provided with a first connecting part which is fixedly connected with the elastic sheet body and a second connecting part which is used for being mutually pivoted with the fixed support; through the mutual rigid coupling between the first locating part of each connecting piece and the elastic sheet body, the restriction fixed bolster produces relative displacement for the elastic sheet body, and final restriction windshield wiper adhesive tape produces relative displacement for the elastic sheet body, has improved the scraping cleanliness factor of windshield wiper.

Description

Improved combined type windshield wiper support and combined type windshield wiper

Technical Field

The utility model relates to a combined type windshield wiper support of improvement and have windshield wiper of this windshield wiper support.

Background

As shown in fig. 1 and 2, a composite wiper is developed in the art, in which a support structure of the composite wiper is intended to overcome the technical problem that the respective support of the conventional boned wiper or frameless wiper cannot apply an average pressing force to the wiper rubber strip, specifically, referring to the wiper structure disclosed in the new chinese patent "average pressing force wiper" of patent document CN20219305U, as shown in fig. 1, the composite wiper comprises a main wiper frame 1c, a pair of auxiliary wiper frames 2c, a plurality of sets of buckling frames 3c, and a wiper rubber strip 4 c; a pair of auxiliary brush holders 2c are arranged at two ends of the main brush holder 1c, each auxiliary brush holder 2c comprises an elastic sheet body 21c and a pivoting seat 22c fixed on the elastic sheet body 21c, and the pivoting seat 22c is pivoted on the main brush holder 1 c; the plurality of fastening frames 3c are averagely arranged on each auxiliary brush frame 2c, each fastening frame 3c comprises a pressing wing 31c, a plurality of U-shaped fastening frame pieces 32c arranged on the pressing wing 31c and a plurality of positioning blocks 33c, the elastic sheet body 21c is provided with a plurality of first through grooves 211c, each pressing wing 31c is correspondingly provided with a second through groove 311c, the positioning blocks 33c are penetrated through the second through grooves 311c and abut against the first through grooves 211c to fix the fastening frames 3c on the bottom surface of the elastic sheet body 21c, and the windshield wiper rubber strip 4c is penetrated through the fastening frame pieces 32c and combined below the pressing wings 31 c. However, with the above structure, there may be a processing error in the positioning block 33c during the manufacturing process, and a gap may be generated between the positioning block 33c and the first through groove 211c and/or the second through groove 311c, so that the fastening frame piece 32c generates a slight relative displacement with respect to the elastic piece 21c during the wiping process of the wiper strip 4c, which affects the wiping effect of the wiper. Meanwhile, the positioning block 33c is generally made of a plastic material, and the auxiliary brush holder 2c and the fastening holder 3c are metal members, and when the wiper is used for a period of time, the positioning block 33c is worn in contact areas with the auxiliary brush holder 2c and the fastening holder 3c, respectively, so that a gap between the positioning block 33c and the first through groove 211c and/or the second through groove 311c is increased, a relative displacement between the fastening frame piece 32c and the elastic sheet body 21c is increased, and finally, the wiper rubber strip 4c generates a large offset with the wiper holder in a wiping process, thereby seriously affecting the wiping cleanliness of the wiper.

Meanwhile, the pivot seat 22c used for the pivotal connection between the main frame 1c and the auxiliary frame 2c of the composite wiper has a two-piece structure (the pivot seat disclosed in US 2013/0227810 a1 also has a two-piece structure), and the structure of the pivot seat 22c is relatively complex, which increases the complexity of the assembly process of the wiper product and results in high manufacturing cost.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

Disclosure of Invention

A first object of the present invention is to provide a composite wiper support with improved structure, wherein the first connecting portion of the connecting member is fixedly connected to the elastic sheet member, so as to limit the relative displacement of the wiper strip with respect to the elastic sheet member.

A second object of the present invention is to provide a composite wiper support of improvement, its pin joint seat formula as an organic whole, compare in prior art, the utility model discloses a pin joint seat simple structure, wiper support's overall assembly simple process make ultimate manufacturing cost reduce.

A third object of the present invention is to provide a windshield wiper made of the above composite windshield wiper support.

In order to achieve the first objective of the present invention, the present invention discloses an improved composite wiper support, which comprises a main frame, a pair of elastic sheet bodies, a plurality of fixed supports, a plurality of connecting pieces and a plurality of first pivot shafts; each elastic sheet body is respectively arranged at two ends of the main framework in a pivot connection way; each fixing support comprises a pressing engine wing and a plurality of buckling frame pieces arranged at the bottom of the pressing engine wing, the pressing engine wing is in an arch bridge shape, at least two first side walls extending downwards are formed in the middle arch area of the pressing engine wing, first through holes penetrating through the first side walls are formed in each first side wall, and the buckling frame pieces are used for fixing a windshield wiper rubber strip; each connecting piece is at least provided with a bearing joint surface which is mutually abutted and contacted with the end surface of one side of the elastic sheet body, and the bearing joint surface is at least provided with a first connecting part which is fixedly connected with the elastic sheet body and a second connecting part which is used for being mutually pivoted with the fixed support; when the bearing joint surface of the connecting piece is mutually attached to the elastic sheet body, the connecting piece is fixedly connected with the elastic sheet body through the first connecting part, the second connecting parts are at least one pair of second side walls which are arranged at two sides of the bearing joint surface and extend towards the lower part of the bearing joint surface relative to the width direction of the elastic sheet body, and the second side walls are provided with second through holes which are mutually penetrated; the connecting piece make first through-hole and second through-hole relative through arranging the outside of the first lateral wall of fixed bolster in with the second lateral wall cover of second connecting portion to wear to arrange in second through-hole and first through-hole in proper order from inside to outside through first pin joint axle, make fixed bolster pivot connection ground connection set up on second connecting portion.

Through first connecting portion and the elastic sheet body fixed connection with on the connecting piece, the second connecting portion pin joint of connecting piece in fixed bolster simultaneously, the restriction fixed bolster produces relative displacement for the elastic sheet body, and final restriction windshield wiper adhesive tape produces relative displacement for the elastic sheet body, has improved the scraping of windshield wiper and has brushed the cleanliness factor.

Furthermore, the pressing and lifting wing is a U-shaped groove member, the fastening frame pieces are arranged at two ends of the pressing and lifting wing, and the top of the middle arching area of the pressing and lifting wing is provided with a first hollow-out position-giving part. With such an arrangement, when each fixing bracket rotates around the first pivot shaft, each fixing bracket does not interfere with the bearing joint surface of the corresponding connecting piece.

As one embodiment of the first connecting part of the connecting piece, the first connecting part of the connecting piece is a fusion connecting part formed by welding between the bearing contact surface and the contact surface of the elastic sheet body which is abutted against each other.

As one embodiment of the first connecting portion of the connecting member, the first connecting portion of the connecting member is at least one pair of L-shaped hooks disposed on two sides of the bearing joint surface and extending toward the upper portion of the bearing joint surface relative to the width direction of the elastic sheet body, the L-shaped hooks have a straight rod portion and a bending portion, and the bending portions face the central axis H of the elastic sheet body respectively; the elastic sheet body is provided with a fixed notch at the position corresponding to the straight rod part of the L-shaped clamping hook, the straight rod part of the L-shaped clamping hook of the connecting piece is inserted into the fixed notch, the bearing surface of the connecting piece is abutted against the lower end surface of the elastic sheet body, and the bending part of the connecting piece is riveted with the upper end surface of the elastic sheet body, so that the connecting piece is fixedly connected with the elastic sheet body.

Furthermore, the connecting piece include two first connecting portions and a second connecting portion, two first connecting portions set up respectively at the head end and the tail end that bear the weight of the length direction of the face of connecting, the second connecting portion set up and just be located between two first connecting portions bearing the both sides of the face of connecting.

The utility model also discloses a second lateral wall of connecting piece and the first lateral wall of fixed bolster between still add the bush, the bush be U type groove component, constitute by two third lateral walls and first roof, seted up the third through-hole at each third lateral wall, each bush is embedded in the second connecting portion of connecting piece, its third through-hole link up each other with second through-hole and first through-hole respectively, first pin joint axle outside-in wears to arrange in second through-hole, third through-hole and first through-hole in proper order in, the second connecting portion that come the adjusting connection piece through the bush and the fixed bolster middle part hunch up the fit clearance between the region.

Adopt above-mentioned design, through add a bush between connecting piece and fixed bolster, because the bush is non-metallic material usually, like plastic material or nylon material, has certain elasticity, consequently the setting of bush is convenient for adjust the cooperation clearance between second connecting portion and the fixed bolster middle part hunch-up region on the one hand, and on the other hand can reduce the fixed bolster of metal material and the wearing and tearing of the contact area of connecting piece, prolongs its life.

Further, the middle part of the first top wall of the bushing is provided with a second hollow-out yielding part, the second hollow-out part is used for yielding an arch area on the fixed support, the height of the whole windshield wiper support is reduced, and therefore the wind resistance of the windshield wiper is reduced, and the wiping effect of the windshield wiper is better.

In order to realize the second purpose of the utility model, the utility model discloses that the elastic sheet body on the windshield wiper support is respectively arranged at the two ends of the main framework in a pivot connection way, the two ends of the main framework at least form a fixed seat with a U-shaped cross section, and the fixed seat is provided with a fourth through hole; the pin joint seat is a U-shaped groove member and comprises two fourth side walls and a second top wall, a positioning lug is arranged on the inner wall of each fourth side wall in an inward protruding mode, a gap for the elastic sheet to penetrate through is formed between each positioning lug and the second top wall, and fifth through holes which penetrate through the two fourth side walls are formed in the two fourth side walls; the elastic sheet body is provided with inwards sunken limiting grooves at positions corresponding to the two fourth side walls of the pivoting seat, and the width X of the elastic sheet body in the limiting groove area is larger than the distance Y between the two positioning lugs; the second pin joint shaft sequentially penetrates through a fourth through hole of the fixing base and a fifth through hole of the pin joint base from outside to inside, so that the pin joint base with the elastic sheet body is arranged on the fixing base of the main framework in a pin joint mode.

The elastic sheet body is arranged on a pivoting seat, and the pivoting seat is used for being connected with the main framework; meanwhile, the pivot joint seat is integrally formed and has a simple structure, so that the overall assembly process of the windshield wiper support is simple, and the final manufacturing cost is reduced.

Furthermore, a guide inclined plane convenient for the elastic sheet body to slide in from bottom to top is arranged at the bottom of the positioning lug of the pivot joint seat, and a third hollow-out position yielding part is arranged at the position of the second top wall in the vertical direction relative to the second pivot joint shaft.

The third hollow-out position-giving part is arranged to prevent the pin-joint seat from interfering with the inner end face of the top wall of the main framework when the pin-joint seat rotates around the second pin-joint shaft.

In order to realize the third objective of the present invention, the present invention discloses a composite wiper, which comprises the above-mentioned composite wiper support.

Adopt the windshield wiper that above-mentioned combined type windshield wiper support made, by mutual rigid coupling between the first connecting portion of each connecting piece and the elastic sheet body, restriction fixed bolster produces relative displacement between for the elastic sheet body, and the final restriction windshield wiper adhesive tape produces the displacement with the windshield wiper support scraping the brush in-process, has improved the scraping cleanliness factor of windshield wiper.

Drawings

The detailed description, given as a non-limiting example, better explains what the invention comprises and how it can be carried out, and moreover refers to the accompanying drawings, in which:

fig. 1 and 2 are schematic views of a conventional composite wiper blade holder according to the present invention;

fig. 3 is a schematic view of a composite wiper support according to a first embodiment of the present invention;

fig. 4 and 5 are schematic views of a composite wiper support according to a second embodiment of the present invention;

fig. 6 is an exploded view of the wiper of the present invention;

fig. 7 is a combination view of the wiper of the present invention;

fig. 8 is an exploded view of the connector, bushing and mounting bracket of the present invention;

FIG. 9 is a combination view of the connecting member, the bushing and the fixing bracket of the present invention;

FIG. 10 is an exploded view of the elastic sheet, the pivot seat and the main frame of the present invention;

fig. 11 is a combination diagram of the elastic sheet, the pivot seat and the main frame of the present invention.

Reference numerals

Main frame 1 fixing seat 11 fourth through hole 12

The elastic sheet body 2 fixes the notch 21 and limits the slot 22

The pressing wings 31 of the fixing bracket 3 are fastened to the first side wall 311 of the frame piece 32 and the first through hole 312

The first hollow relief portion 313

The connecting

elements

4a, 4b carry the first connecting

portions

42a, 42b and the second connecting portions 43 of the abutment surfaces 41 and the second side wall 431

Second through hole 432 straight rod portion 421b bent portion 422b

First pivot axis 5

The third side wall 61 of the bushing 6, the first top wall 62, the third through hole 63, the second hollow space 621

Positioning datum convex strip 611 convex column 631

The second pivot shaft 75 of the pivot base 7, the positioning protrusion 73 of the fourth side wall 71, the fifth through hole 74 of the second top wall 72

The third hollow-out letting part 721 of the guiding slant 731

Windshield wiper rubber strip 8

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The first embodiment is as follows:

referring to fig. 3, the present invention discloses an improved combined type windshield wiper support, which comprises a main frame 1, a pair of elastic sheet bodies 2, a pair of pivot seats 7, a pair of second pivot shafts 75, a plurality of fixed supports 3, a plurality of connecting members 4 and a plurality of first pivot shafts 5, wherein the two elastic sheet bodies 2 are respectively pivotally connected to the two ends of the main frame 1, in this embodiment, as shown in fig. 6, the combined type windshield wiper support comprises two pairs of fixed supports 3 and two pairs of connecting members 4 (but not limited thereto), and the end portions of the two sides of each elastic sheet body 2 are respectively connected to the middle portions of the two fixed supports 3 through the connecting members 4. So set up for main frame 1 evenly transmits the strength of wiper arm (not shown) to each fixed bolster to evenly exert force to windshield wiper adhesive tape 8.

The two elastic sheet bodies 2 are pivotally connected to two ends of the main frame 1 through pivot seats 7, as shown in fig. 10 and 11, at least two fixing seats 11 having U-shaped cross sections are formed at two ends of the main frame 1, and two opposite fourth through holes 12 are formed in side walls of the fixing seats 11. The pivot joint seat 7 is preferably an integrally formed U-shaped groove member, and the structure is simple, so that the overall assembly process of the windshield wiper support is simple, and the manufacturing cost of an enterprise is reduced. The pivot base 7 includes two fourth side walls 71 and a second top wall 72, the inner wall of the fourth side wall 71 has a positioning protrusion 73 protruding inward, a gap for the elastic sheet 2 to pass through is formed between the positioning protrusion 73 and the second top wall 72, and the two fourth side walls 71 are provided with fifth through holes 74 penetrating through each other.

The elastic sheet body 2 is provided with inward recessed limiting grooves 22 at positions corresponding to the two fourth side walls 71 of the pivot seat 7, wherein the width X of the area of the limiting groove 22 is larger than the distance Y between the two positioning bumps 73, the pivot seat 7 is clamped in the limiting groove 22 of the elastic sheet body 2 and is embedded in the fixing seat 11 at intervals, the second pivot shaft 75 sequentially penetrates through the fourth through hole 12 of the fixing seat 11 and the fifth through hole of the pivot seat 7 from outside to inside, so that the pivot seat 7 with the elastic sheet 2 is pivotally connected to the fixing seat 11 of the main frame 1.

Preferably, the bottom of the positioning protrusion 73 is provided with a guide inclined surface 731 from bottom to top, and the guide inclined surface 731 is convenient for the elastic sheet body 2 to slide into the pivot seat 7 from bottom to top; meanwhile, a third hollow-out clearance portion 721 is disposed on the vertical position of the second top wall 72 of the pivot base 7 relative to the second pivot shaft 75 to prevent the pivot base 7 from interfering with the inner end surface of the top wall of the main frame 1 when the pivot base 7 rotates around the second pivot shaft 75.

As shown in fig. 8 and 9, the fixing bracket 3 is usually made of metal, the fixing bracket 3 includes a pressing wing 31 and a plurality of fastening frame pieces 32 disposed at the bottom of the pressing wing 31, wherein specific structural features of the fastening frame pieces 32 can refer to patent document CN20219305U, and are not repeated herein. The pressing and lifting wing 31 is a U-shaped groove member, and is in an arch bridge shape, the top of the middle arching area is provided with a first hollow relief part 313, at least the middle arching area forms two first side walls 311 extending downwards, each first side wall 311 is provided with a first through hole 312 which is mutually penetrated, the fastening frame pieces 32 are arranged at two ends of the pressing and lifting wing 31, the fastening frame pieces 32 are used for fixing the windshield wiper adhesive tape 8, and if the fastening frame pieces 32 are directly clamped in the limiting groove 81 of the windshield wiper adhesive tape 8, the fastening of the fastening frame pieces 32 and the windshield wiper adhesive tape 8 is realized; or a bearing clamping plate is additionally arranged and used for penetrating the windshield wiper rubber strip, and the bearing clamping plate is fixed through the buckling frame piece, so that the windshield wiper rubber strip is fixed (not shown).

As shown in fig. 3, each connecting member 4a is a metal member, and has at least one bearing contact surface 41 contacting with one side end surface of the elastic sheet body 2 in an abutting manner, and the bearing contact surface 41 has at least a first connecting portion 42a fixedly connected with the elastic sheet body 2 and a second connecting portion 43 for pivotally connecting with the fixed bracket 3.

The first connecting portion 42a of the connecting member 4a is a fusion connecting portion formed by welding between the abutting contact surfaces of the bearing contact surface 41 and the elastic sheet body 2, and the fusion connecting portion can be formed by filling a welding material, or a fusion characteristic of the material of the bearing contact surfaces 41 of the elastic sheet body 2 and the connecting member 4a, that is, a connecting portion formed by fusing and connecting two objects by heating.

The second connecting portions 43 of the connecting member 4a are at least a pair of second sidewalls 431 disposed at two sides of the bearing surface 41 and extending toward the lower portion of the bearing surface 41 relative to the width direction of the elastic sheet body 2, and the second sidewalls 431 are opened with second through holes 432 penetrating each other. The connecting member 4a is configured such that the second side wall 431 of the second connecting portion 43 is fitted around the first side wall 311 of the fixing bracket 3 such that the first through hole 312 is opposed to the second through hole 432, and the first pivot 5 is inserted through the second through hole 432 and the first through hole 312 from the outside to the inside, thereby pivotally connecting the fixing bracket 3 to the second connecting portion 43.

As shown in fig. 8 and 9, a bushing 6 is further disposed between the second side wall 431 of the connecting member 4a and the first side wall 311 of the fixed bracket 3, the bushing 6 is a U-shaped groove member, which is composed of two third side walls 61 and a first top wall 62, a third through hole 63 is disposed on each third side wall 61, each bushing 6 is embedded in the second connecting portion 43 of the connecting member 4a, a slight clearance fit or a transition fit can be formed between an outer end surface of the third side wall 61 of the bushing and an inner wall of the second side wall 431, a second hollow-out yielding portion 621 is disposed in the middle of the first top wall 62, the second hollow-out portion 621 is used for yielding a middle arching area of the fixed bracket 3, so as to reduce the height of the entire wiper bracket, thereby reducing the wind resistance suffered by the wiper, and further improving the wiping effect of the wiper. The third through hole 63 of the bushing 6 is respectively communicated with the second through hole 432 and the first through hole 312, and the first pivot shaft 5 is sequentially penetrated in the second through hole 432, the third through hole 63 and the first through hole 312 from outside to inside.

Preferably, the specific structure of the bushing 6 of the present invention can refer to the published patent document (CN201720443268.1), and the bushing 6 is substantially the same as the structure of the toggle disclosed in the patent document, that is, the outer side end surface of the third side wall 61 of the bushing 6 is provided with a plurality of positioning reference protruding strips 611, the inner wall of the third side wall 61 is provided with grooves 612 corresponding to the positioning reference protruding strips 611, the third through hole 63 extends inward from the inner wall of the third side wall 61 to form a protruding column 631, the elastic positioning reference protruding strips 611 of the bushing 6 are in interference fit with the inner wall of the second side wall 431 of the connecting member 4a, and the protruding column 631 of the third through hole 64 of the bushing 6 is inserted into the first through hole 312 of the first side wall 311 of the fixing bracket 3.

The advantageous technical effects produced by the bush 6 are disclosed in the aforementioned patent documents and will not be described again.

Example two:

as shown in fig. 4, the composite wiper blade holder of this embodiment is substantially identical to the first embodiment except for the difference in the connecting structure of the first connecting portion 42b of the connecting member 4b and the elastic sheet body 2.

In this embodiment, the first connecting portion 42b is at least a pair of L-shaped hooks disposed on two sides of the bearing surface 41 and extending toward the upper portion of the bearing surface 41 relative to the width direction of the elastic sheet body 2, the L-shaped hooks have a straight rod portion 421b and a bending portion 422b, and the bending portions 422b respectively face the central axis H of the elastic sheet body 2.

Correspondingly, the elastic sheet body 2 is provided with a fixed notch 21 at a position corresponding to the straight rod portion 421b of the L-shaped hook, the straight rod portion 421b of the L-shaped hook of the connecting member 4b is inserted into the fixed notch 21, the bearing surface 41 of the connecting member is abutted against and contacted with the lower end surface of the elastic sheet body 2, and the bending portion 422b of the connecting member is riveted with the upper end surface of the elastic sheet body 2, so that the connecting member 4b is fixedly connected with the elastic sheet body 2.

As shown in fig. 5, preferably, the connecting member 4b includes two first connecting portions 42b and a second connecting portion 43, the two first connecting portions 42b are respectively disposed at the first and the last ends of the bearing surface 41 along the length direction, and the second connecting portion 43 is disposed at two sides of the bearing surface 41 and between the two first connecting portions 42 b. So set up, through bearing joint face 41 head end, tail end at connecting piece 4b and setting up first connecting portion 42b respectively, make its and elastic sheet body 2 be connected more stably, and difficult relative side direction beat that produces between the two, can transmit the pretightning force that elastic sheet body 2 formed to each connecting piece 4b better.

As shown in fig. 6 and 7, the utility model discloses a combined type windshield wiper, it includes the combined type windshield wiper support of embodiment one and embodiment two, lock joint frame piece 32 through fixed bolster 3 both ends is used for fixing windshield wiper adhesive tape 8, is fixed with windshield wiper joint 10 at the middle part of main skeleton 1, in this concrete embodiment drawing, still add between windshield wiper joint 10 and the main skeleton 1 and decorate the water conservancy diversion lid 9, and windshield wiper joint 10 detachably is fixed in the middle part of decorating the water conservancy diversion lid 9, the utility model discloses a combined type windshield wiper's focus lies in combined type windshield wiper support, and as for windshield wiper joint 10 is direct detachably fixes on main skeleton 1, still detachably fixes at the middle part of decorating the water conservancy diversion lid 9, also or whether combined type windshield wiper has decoration water conservancy diversion lid 9, and ordinary technical personnel in the field can adjust according to the design needs.

In the description of the present invention, it is to be understood that the terms "length", "width", "front", "back", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes and modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. An improved composite windshield wiper bracket is characterized in that; it comprises a main framework (1), a pair of elastic sheet bodies (2), a plurality of fixed brackets (3), a plurality of connecting pieces (4a, 4b) and a plurality of first pivot shafts (5);

each elastic sheet body (2) is respectively arranged at two ends of the main framework (1) in a pivot connection way;

each fixing support (3) comprises a pressing and lifting wing (31) and a plurality of buckling frame pieces (32) arranged at the bottom of the pressing and lifting wing (31), the pressing and lifting wing (31) is in an arch bridge shape, at least two first side walls (311) extending downwards are formed in the middle arch area, first through holes (312) penetrating through each other are formed in each first side wall (311), and the buckling frame pieces (32) are used for fixing a windshield wiper adhesive tape (8);

each connecting piece (4a, 4b) at least has a bearing joint surface (41) which is in mutual abutting contact with one side end surface of the elastic sheet body (2), and the bearing joint surface (41) at least has a first connecting part (42a, 42b) which is fixedly connected with the elastic sheet body (2) and a second connecting part (43) which is used for being in pivot connection with the fixed support (3);

when the bearing contact surfaces (41) of the connecting pieces (4a, 4b) are mutually attached to the elastic sheet body (2), the connecting pieces (4a, 4b) are fixedly connected with the elastic sheet body (2) through the first connecting parts (42a, 42 b); the second connecting parts (43) are arranged on two sides of the bearing joint surface (41) and at least one pair of second side walls (431) extending towards the lower part of the bearing joint surface (41) relative to the width direction of the elastic sheet body (2), and the second side walls (431) are provided with second through holes (432) which penetrate through each other; the connecting pieces (4a, 4b) enable the first through hole (312) and the second through hole (432) to be opposite by sleeving the second side wall (431) of the second connecting part (43) on the outer side of the first side wall (311) of the fixing support (3), and sequentially penetrate through the second through hole (432) and the first through hole (312) from outside to inside through the first pivot shaft (5), so that the fixing support (3) is pivotally connected to the second connecting part (43).

2. An improved composite wiper support as defined in claim 1, wherein; the pressing and lifting wing (31) is a U-shaped groove component, the buckling frame pieces (32) are arranged at two ends of the pressing and lifting wing (31), and the top of the middle arched area of the pressing and lifting wing (31) is provided with a first hollow-out position-giving part (313).

3. An improved composite wiper support as defined in claim 1 or 2, wherein: a lining (6) is additionally arranged between the second side wall (431) of the connecting pieces (4a, 4b) and the first side wall (311) of the fixed bracket (3), the bushing (6) is a U-shaped groove component and consists of two third side walls (61) and a first top wall (62), each third side wall (61) is provided with a third through hole (63), each bushing (6) is embedded in the second connecting part (43) of the connecting piece (4a, 4b), the third through hole (63) is respectively communicated with the second through hole (432) and the first through hole (312), the first pivot shaft (5) is sequentially arranged in the second through hole (432), the third through hole (63) and the first through hole (312) from outside to inside, the fit clearance between the second connection portion (43) of the connecting piece (4a, 4b) and the middle arching region of the fixing bracket (3) is adjusted by the bushing (6).

4. An improved composite wiper support as defined in claim 3, wherein: and a second hollow-out displacement part (621) is arranged in the middle of the first top wall (62) of the bushing (6).

5. The improved composite wiper support of claim 1, wherein: the first connecting part (42a) of the connecting piece (4a) is a fusion connecting part formed by welding between the bearing joint surface (41) and the contact surface of the elastic sheet body (2) which is abutted against each other.

6. The improved composite wiper support of claim 1, wherein: the first connecting parts (42b) of the connecting pieces (4b) are at least one pair of L-shaped clamping hooks which are arranged at two sides of the bearing joint surface (41) and extend towards the upper part of the bearing joint surface (41) relative to the width direction of the elastic sheet body (2), each L-shaped clamping hook is provided with a straight rod part (421b) and a bending part (422b), and the bending parts (422b) respectively face the central axis H of the elastic sheet body (2); elastic sheet body (2) are equipped with fixed scarce groove (21) in straight pole portion (421b) position that corresponds L type trip, fixed scarce groove (21) department is arranged in inserting in straight pole portion (421b) of the L type trip of this connecting piece (4b), it bears the lower terminal surface of face (41) and elastic sheet body (2) and leans on the contact each other, its portion of bending (422b) rivets each other with the up end of elastic sheet body (2), thereby realize the rigid coupling of connecting piece (4b) and elastic sheet body (2).

7. The improved composite wiper support of claim 6, wherein: the connecting piece (4b) comprises two first connecting parts (42b) and a second connecting part (43), the two first connecting parts (42b) are respectively arranged at the head end and the tail end of the bearing joint surface (41) along the length direction, and the second connecting parts (43) are arranged at two sides of the bearing joint surface (41) and are positioned between the two first connecting parts (42 b).

8. The improved composite wiper support of claim 1, wherein: the elastic sheet bodies (2) are respectively arranged at two ends of the main framework (1) in a pivot connection manner, a fixed seat (11) with a U-shaped cross section is at least formed at two ends of the main framework (1), and a fourth through hole (12) is formed in the fixed seat (11); the elastic sheet body is characterized by further comprising a pivoting seat (7) and a second pivoting shaft (75) which are integrally formed, wherein the pivoting seat (7) is a U-shaped groove member and comprises two fourth side walls (71) and a second top wall (72), a positioning lug (73) is arranged on the inner wall of each fourth side wall (71) in an inward protruding mode, a gap for the elastic sheet body (2) to penetrate through is formed between each positioning lug (73) and the second top wall (72), and fifth through holes (74) which penetrate through each other are formed in the two fourth side walls (71); the elastic sheet body (2) is provided with inwards concave limiting grooves (22) at positions corresponding to the two fourth side walls (71) of the pivoting seat (7), and the width X of the elastic sheet body (2) in the area of the limiting grooves (22) is larger than the distance Y between the two positioning lugs (73); the pivoting seat (7) is clamped in the limiting groove (22) of the elastic sheet body (2) and embedded in the fixed seat (11) at intervals, and the second pivoting shaft (75) sequentially penetrates through the fourth through hole (12) of the fixed seat (11) and the fifth through hole (74) of the pivoting seat (7) from outside to inside, so that the pivoting seat (7) with the elastic sheet body (2) is arranged on the fixed seat (11) of the main framework in a pivot connection mode.

9. The improved composite wiper blade carrier as defined in claim 8, wherein: the bottom of the positioning bump (73) of the pivot base (7) is provided with a guide inclined surface (731) which is convenient for the elastic sheet body (2) to slide in from bottom to top, and the vertical direction of the second top wall (72) is provided with a third hollow-out position-giving part (721) relative to the position of the second pivot shaft (75).

10. A combined type windshield wiper, its characterized in that: comprising a composite wiper blade carrier according to any one of claims 1 to 9.