CN210554679U

CN210554679U - Windshield wiper connects and this windshield wiper of adaptation connects

Info

Publication number: CN210554679U
Application number: CN201921224855.7U
Authority: CN
Inventors: 王书屋
Original assignee: Xiamen Fuke Car Accessories Co Ltd
Current assignee: Xiamen Fuke Car Accessories Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-19
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a windshield wiper connects, includes a roof, two curb plates, an end cap and an elasticity stuck point, and the roof surrounds with two curb plates and forms a longitudinal section and be the windshield wiper joint body of U type, the end cap rigid coupling in the windshield wiper connects the body and keeps away from actuating arm male end, and this end cap includes two sides and an upper surface, and the both sides face forms first spacing step face respectively with between the both sides board that the windshield wiper connects the body, upper surface and windshield wiper connect and form the spacing step face of second between the roof of body, just the upper surface still has an upper shield edge that connects body direction outside extension towards the windshield wiper, should keep off and have difference in height X between edge and the roof, the elasticity stuck point is located the end that the windshield wiper connects body both sides board, connects body both sides board through this elasticity stuck point and the mutual joint of actuating arm for the restriction actuating arm removes in length direction.

Description

Windshield wiper connects and this windshield wiper of adaptation connects

Technical Field

The utility model relates to a windshield wiper connects and this windshield wiper of adaptation connects windshield wiper.

Background

The windshield wiper is one of important accessories of an automobile, the windshield wiper has the effects that when the windshield wiper is rained, rainwater on the windshield of the automobile can be wiped off completely, a driver can be ensured to have a good observation visual field in the driving process in rainy days, the driving safety of the driver is improved, the windshield wiper joint is used as one of parts of the windshield wiper, the windshield wiper joint plays an important role of bearing up and down, the upper part of the windshield wiper joint is used for installing and fixing a windshield wiper arm, and the lower part of the windshield wiper joint is hinged with a windshield wiper base, so that the action of a windshield wiper rubber sleeve can be controlled.

However, the fixed intensity of the wiper joint on the existing market to the actuating arm is less, for improving this problem, the utility model discloses an improve the structure that the wiper connects and improve this problem.

Disclosure of Invention

A first object of the present invention is to provide a wiper blade joint with higher holding strength.

A second object of the present invention is to provide a wiper suitable for the above wiper joint.

In order to achieve the first purpose of the utility model, the utility model discloses a novel windshield wiper joint which is used for connecting a windshield wiper main body and a driving arm, the windshield wiper joint comprises a windshield wiper joint body which is surrounded by at least a top plate and two side plates and has a U-shaped longitudinal section, and the two side plates are at least provided with a pivot connecting part, the windshield wiper joint can be arranged on a connecting base along the length direction of the windshield wiper joint in a swinging way through the pivot connecting part, and the connecting base is fastened and attached on the windshield wiper main body; the end cap is fixedly connected to one end, far away from the insertion end of the driving arm, of the wiper joint body, the end cap comprises two side faces and an upper top face, a first limiting step face is formed between each of the two side faces and two side plates of the wiper joint body, a second limiting step face is formed between each of the upper top face and a top plate of the wiper joint body, the upper top face is further provided with an upper blocking edge extending outwards towards the wiper joint body, and a height difference X is formed between each of the upper blocking edge and the top plate; and the elastic clamping point is positioned at the tail ends of the two side plates of the wiper joint body.

Based on the design, when the driving arm and the wiper joint are connected in an embedded manner, the front end of the side cover wall of the driving arm is in abutting fit with the first limiting step surface; the front end of the upper cover wall of the driving arm is inserted into a gap between the upper blocking edge and the top plate and is in mutual abutting fit with the second limiting step surface, and the top surface of the overlapping area of the upper blocking edge and the inner wall of the upper blocking edge are in abutting fit through the upper cover wall, so that the relative displacement between the front end of the connecting part of the driving arm and the wiper joint in the vertical direction is limited; simultaneously the draw-in groove portion of actuating arm and the mutual joint of wiper joint body elasticity stuck point for restriction actuating arm connecting portion is at the horizontal direction toward the horizontal migration who breaks away from wiper joint direction, and further restricts the relative displacement of actuating arm connecting portion rear end between vertical direction and wiper joint, has strengthened the fixed intensity between wiper joint and the actuating arm.

Furthermore, in order to enable the wiper joint to be better contacted with the driving arm during connection, the first limiting step surface is provided with an arc-shaped contour which is matched with the front end parts of the cover walls at two sides of the connecting part of the driving arm, the inner wall of the insertion section of the upper blocking edge is provided with a guide inclined plane, the elastic clamping point is composed of an elastic cantilever and a clamping point, the clamping point is arranged on the outer side wall of the elastic cantilever, and the clamping point is matched with the contour of the clamping groove part of the connecting part of the driving arm and is in a runway shape.

Furthermore, the elastic cantilever is formed by vertically arranging two hollow grooves at the tail ends of the two side plates at intervals from top to bottom, the elastic cantilever is formed between the two hollow grooves, and the fixed end of the elastic cantilever is arranged at the top of the side plate.

Furthermore, the outer ends of the two side plates of the windshield wiper joint body are respectively and symmetrically provided with a plurality of vertical downward positioning ribs, and the design is convenient for controlling the precision requirement during production.

In order to realize the second purpose of the utility model, the utility model discloses a windshield wiper using the windshield wiper joint, which comprises a connecting base and a windshield wiper main body; the wiper main body is at least provided with an adhesive tape wiping part; the connecting base is fixedly attached to the wiper main body, and the wiper joint is swingably provided on the connecting base in a longitudinal direction thereof.

Drawings

Fig. 1 is a schematic structural view of a wiper joint, a driving arm, and a wiper main body according to the present invention;

fig. 2 is a schematic view of the wiper joint and the driving arm and the wiper main body according to the present invention;

fig. 3 is a schematic cross-sectional view of the wiper joint and the actuating arm of the present invention when connected;

fig. 4 is a schematic view of the wiper of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, the present invention discloses a wiper joint 1, the wiper joint 1 is used to connect with a specific type of driving arm 3, the driving arm 3 at least includes a driving arm connecting portion 31 used to connect with the wiper joint 1, the driving arm connecting portion 31 is composed of an upper cover wall 311 and a pair of side cover walls 312, the longitudinal cross section of the driving arm connecting portion is a U-shaped body, the front ends of the pair of side cover walls 312 are respectively provided with a fastening concave portion 3121 with an opening level facing forward, and the front end portion of the fastening concave portion 3121 (the front end portions of the two side cover walls 312) is in arc transition, the rear ends of the side cover walls 312 are respectively provided with a clamping groove 3122 with an opening facing downward, the inner end profile of the clamping groove 3122 is in runway-shaped design.

The wiper joint 1 matched with the driving arm 3 comprises a top plate 11, two side plates 12, an end cap 6 and an elastic clamping point 7, wherein the top plate 11 and the two side plates 12 surround to form a wiper joint body 13 with a U-shaped longitudinal section, and the two side plates 12 are at least provided with a pivot hole 14 a; the end cap 6 is fixedly connected to one end of the wiper joint body 13 far away from the insertion of the driving arm 3, the end cap 6 comprises two side surfaces 61 and an upper top surface 62, a first limit step surface a is formed between each of the two side surfaces 61 and the two side plates 12 of the wiper joint body 13, a second limit step surface B is formed between each of the upper top surfaces 62 and the top plate 11 of the wiper joint body 13, the upper top surface 62 is further provided with an upper blocking edge 621 extending outwards towards the wiper joint body 13, a height difference X exists between each of the upper blocking edges 621 and the top plate 11, and more preferably, the inner wall of the insertion section of each of the upper blocking edges 621 is provided with a guide inclined surface 6211, and each guide inclined surface 6211 facilitates the insertion of the driving arm 3; an elastic clamping point 7, the elastic clamping point 7 is positioned at the tail ends of two side plates 12 of the wiper joint body 13; more specifically, the elastic fastening point 7 is composed of an elastic cantilever 71 and a fastening point 72, two hollow grooves 73 are vertically formed at the tail ends of the two side plates 12 at intervals from top to bottom by the elastic cantilever 71, the elastic cantilever 71 is formed between the two hollow grooves 73, the fastening point 72 is arranged at the bottom of the outer side wall of the elastic cantilever 71, in order to be matched with the track-type fastening groove portion 3122 of the driving arm 3, the fastening point 72 is also in a track-type shape, and the length of the opening end of the fastening groove portion 3122 of the driving arm 3 is smaller than that of the fastening point 72, so that the fastening point 72 is ensured to be in fastening fit with the fastening groove portion 3122.

Meanwhile, in order to ensure the matching precision between the wiper joint body 13 and the inner wall of the side cover wall 312 of the driving arm connecting portion 31 and reduce the requirement for the flatness of the two side plates 12 of the wiper joint body 13, a plurality of vertical downward positioning ribs 8 are symmetrically arranged at the outer ends of the two side plates 12 respectively, and only the flatness and the thickness of the surface of the positioning rib 8 need to be controlled, so that when the driving arm connecting portion 31 is in nested fit with the positioning ribs 8, the stability of connection between the wiper joint body 13 and the side cover wall 312 of the driving arm connecting portion 31 is further ensured.

Fig. 1 also reveals that the wiper main body 2 has at least the adhesive tape wiping portion 21 and the connection base 4, the wiper joint 1 is swingably provided in the connection base 4 in the lengthwise direction thereof by the pivotal connection formed by the pivot hole 14a of the wiper joint 1 and the pivot shaft 14b of the connection base 4, and the connection base 4 is fixedly attached to the wiper main body 2;

the installation process between the wiper joint 1 and the driving arm 3 of the present invention is described below with reference to fig. 1 to 3:

first, as shown in fig. 3, the latching portion 3122 of the driving arm 3 is latched with the latching point 72 of the elastic latching point 7 of the wiper joint 1, the fixed end of the elastic cantilever 71 is disposed on the top of the side plate 12, the elastic cantilever 71 has elasticity to facilitate the detachment and installation, the latching point 72 is engaged with the contour of the latching portion 3122 of the driving arm connecting portion 31, and is in a racetrack shape to limit the horizontal movement of the driving arm connecting portion 31 in the horizontal direction toward the direction away from the wiper joint 1, and further to limit the relative displacement between the rear end of the driving arm connecting portion 31 and the wiper joint 1 in the vertical direction.

Secondly, when the driving arm 3 and the wiper joint 1 are nested and connected with each other, the front end of the side cover wall 312 of the driving arm 3 is abutted against and matched with a first limit step surface A, and the first limit step surface A has an arc-shaped outline matched with the front end parts of the two side cover walls 312 of the driving arm connecting part 31; the front end of the upper cover wall 311 of the driving arm 3 is inserted into the gap between the upper retaining edge 621 and the top plate 11 and is abutted and matched with the second limiting step surface B, and the inner wall of the insertion end of the upper retaining edge 621 has a guiding inclined plane 6211 when the driving arm connecting part 31 is aligned with the insertion slot through the abutting and matching of the upper cover wall 311 between the top surface of the overlapping area with the upper retaining edge 621 and the inner wall of the upper retaining edge 621, so that the driving arm connecting part 31 is inserted more easily when being inserted, thereby limiting the relative displacement of the front end of the driving arm connecting part 31 between the vertical direction and the wiper joint 1, and at the moment, the driving arm 3 is firmly connected to the wiper joint 1.

Meanwhile, as shown in fig. 1 and 4, the present invention also discloses a windshield wiper 100, which comprises a connecting base 4 and a windshield wiper main body 2; the wiper body 2 has at least a rubber strip wiping part 21, the connecting base 4 is fixedly attached to the wiper body 2, the connecting base 4 has a protruding pivot 14(b), the wiper joint 1 has a pivot hole 14(a), the pivot hole 14(a) and the pivot 14(b) are mutually matched, meanwhile, the connecting base 4 has a guide groove 41, the guide groove 41 is matched with a guide post arranged in the side plate 12 of the wiper joint 1, and the wiper joint 1 is arranged on the connecting base 4 in a swinging way along the length direction of the wiper joint 1, thereby forming a complete wiper 100.

In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "end" and the like indicate orientations or positional relationships based on the orientation 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 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 defined otherwise.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A wiper joint (1) for connecting a wiper body (2) and a drive arm (3), the wiper body (2) having at least a rubber strip wiping portion (21); the driving arm (3) at least comprises a driving arm connecting part (31) used for being connected with the wiper joint (1), the driving arm connecting part (31) consists of an upper cover wall (311) and a pair of side cover walls (312), the longitudinal section of the driving arm connecting part is U-shaped, the front ends of the pair of side cover walls (312) are respectively provided with a clamping concave part (3121) with a horizontal forward opening, and the rear ends of the pair of side cover walls are respectively provided with a clamping groove part (3122) with a vertical downward opening; the windshield wiper joint (1) is at least surrounded by a top plate (11) and two side plates (12) to form a windshield wiper joint body (13) with a U-shaped longitudinal section, the two side plates (12) are at least provided with a pivot hole (14 a), the connection of the pivot hole (14 a) and a pivot (14 b) on a connecting base (4) realizes that the windshield wiper joint (1) can be arranged on the connecting base (4) in a swinging way along the length direction of the windshield wiper joint, and the connecting base (4) is fastened and attached on the windshield wiper main body (2), and the windshield wiper joint is characterized by further comprising:

the end cap (6) is fixedly connected to one end, far away from the insertion end of the driving arm (3), of the wiper joint body (13), the end cap (6) comprises two side faces (61) and an upper top face (62), a first limiting step face (A) is formed between each of the two side faces (61) and two side plates (12) of the wiper joint body (13), a second limiting step face (B) is formed between each of the upper top face (62) and a top plate (11) of the wiper joint body (13), the upper top face (62) is further provided with an upper blocking edge (621) extending outwards towards the wiper joint body (13), and a height difference X is formed between each upper blocking edge (621) and the top plate (11);

the elastic clamping point (7), the elastic clamping point (7) is positioned at the tail ends of two side plates (12) of the wiper joint body (13);

when the driving arm (3) and the wiper joint (1) are connected in a nested manner, the front end of the side cover wall (312) of the driving arm (3) is matched with the first limiting step surface (A) in an abutting manner; the front end of the upper cover wall (311) of the driving arm (3) is inserted into a gap between the upper blocking edge (621) and the top plate (11) and is in mutual abutting fit with the second limiting step surface (B), and the front end of the connecting part (31) of the driving arm is limited in relative displacement between the vertical direction and the wiper joint (1) through the abutting fit between the top surface of the upper cover wall (311) in the overlapping area with the upper blocking edge (621) and the inner wall of the upper blocking edge (621); meanwhile, the clamping groove part (3122) of the driving arm (3) is mutually clamped with the elastic clamping point (7) of the wiper joint body (13) to limit the horizontal movement of the driving arm connecting part (31) in the horizontal direction towards the direction of separating from the wiper joint (1), and further limit the relative displacement of the rear end of the driving arm connecting part (31) in the vertical direction and the wiper joint (1).

2. The wiper joint (1) according to claim 1, wherein the first limit step surface (a) has an arc-shaped contour which matches the front end portion of the cover wall (312) on both sides of the driving arm connecting portion (31).

3. The wiper fitting (1) according to claim 1, wherein the inner wall of the insertion section of the upper retaining edge (621) has a guide slope (6211).

4. The wiper joint (1) according to claim 1, wherein said resilient contact point (7) is formed by a resilient cantilever arm (71) and a snap point (72), said snap point (72) being provided on an outer side wall of the resilient cantilever arm (71).

5. The wiper blade joint (1) according to claim 4, wherein the elastic cantilever (71) is formed by vertically forming two hollow-out grooves (73) at intervals from top to bottom at the ends of the two side plates (12), the elastic cantilever (71) is formed between the two hollow-out grooves (73), and the fixed end of the elastic cantilever (71) is arranged at the top of the side plates (12).

6. The wiper joint (1) according to claim 4, wherein the snap point (72) and the snap groove portion (3122) of the drive arm connection portion (31) are mutually contoured, being racetrack shaped.

7. The wiper joint (1) according to claim 1, wherein the outer ends of the two side plates (12) of the wiper joint body (13) are symmetrically provided with a plurality of vertical downward positioning ribs (8), respectively.

8. A wiper (100) comprises a connecting base (4) and a wiper main body (2); the wiper main body (2) is at least provided with an adhesive tape wiping part (21); the connecting base (4) is fixedly attached to the wiper main body (2); the method is characterized in that: it further comprises a wiper fitting (1) according to any one of claims 1 to 7, which wiper fitting (1) is pivotably arranged on the connection base (4) in the direction of its length.