CN216232125U

CN216232125U - Wiper assembly for vehicle

Info

Publication number: CN216232125U
Application number: CN202122795450.2U
Authority: CN
Inventors: 王先峰; 杨鹏; F·迪特
Original assignee: Taixiang Auto Parts Shenzhen Co ltd
Current assignee: Taixiang Auto Parts Shenzhen Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to a wiper assembly for a vehicle, comprising at least: the elastic sheet is provided with a groove; a wiper configured to fit into the groove of the dome; the adapter comprises an adapter and a support, wherein the adapter is configured to be fixedly connected with the elastic sheet, the support is configured to be connected with the adapter and a wiper rod of the vehicle, the elastic sheet is provided with at least one opening, the adapter is provided with at least one protruding part, and the fixed connection of the adapter and the elastic sheet is realized through the matching of the opening and the protruding part. The clamping deformation of the elastic sheet can be avoided, and the reliable fixed connection between the adapter and the elastic sheet is realized.

Description

Wiper assembly for vehicle

Technical Field

The present invention relates to a wiper assembly for a vehicle for wiping a windshield of the vehicle.

Background

The wiper assembly is widely used on windshields of various vehicles to wipe rain, snow and foreign materials attached to the windshield, thereby maintaining the cleanness of the windshield, improving the field of vision, and increasing the driving safety.

Conventional wiper assemblies are generally assembled from wiper blades for wiping the windshield and mounted on spring blades that are fixedly connected to the adapter, spring blades, and brackets that connect the adapter to the wiper rod of the vehicle. When the windshield glass needs to be wiped, the wiper rod is operated to swing through an electric control unit of the vehicle, so that the whole wiper assembly, particularly the wiper blade, is driven to carry out wiping movement, and water or dirt on the windshield glass is removed.

However, in existing wiper assemblies, the adapter is typically manufactured from metal by a stamping process, which is complicated and expensive and results in loss of metal material. In this case, in order to ensure a fixed connection between the adapter and the spring plate, the sides of the spring plate are clamped by bending the claws projecting from the adapter, but this clamping action can cause undesirable stresses in the spring plate, which adversely affect the configuration of the spring plate or lead to deformation of the spring plate, or even to quality problems such as the inability to fit tightly between the wiper blade and the windshield. In addition, in order to achieve the connection between the metal adapter and the bracket, rivets or pins are additionally used, which both increases the number of parts and complicates the assembly. Furthermore, due to the corrosion problems faced by metal adapters, they also require an additional coating process in order to apply a corrosion resistant coating on the metal adapter, which also results in increased manufacturing costs of the adapter and the entire wiper assembly.

SUMMERY OF THE UTILITY MODEL

It is therefore an object of the present invention to provide an improved wiper assembly for a vehicle, which is capable of achieving a reliable fixed connection between an adapter and a spring plate without clamping the side edge of the spring plate by bending of the claw portion of the adapter, thereby both avoiding a complicated and expensive manufacturing process of the adapter and preventing the configuration of the spring plate from being adversely affected, thereby optimizing the functionality of the wiper assembly while saving the manufacturing cost of the wiper assembly.

According to the present invention, there is provided a wiper assembly for a vehicle, the wiper assembly comprising at least:

-a spring plate provided with a groove;

-a wiper blade configured to be adapted to be embedded in the groove of the spring plate;

-an adapter configured to be adapted to be fixedly connected with the spring plate, and

-a bracket configured to be adapted to connect the adapter and a wiper rod of the vehicle,

the elastic sheet is provided with at least one opening, the adapter is provided with at least one protruding part, and the adapter is fixedly connected with the elastic sheet through the matching of the opening and the protruding part.

Compared with the prior art, in the wiper assembly for the vehicle according to the present invention, the elastic sheet is provided with at least one opening, and the adapter is provided with at least one protrusion, the opening and the protrusion correspond, and the fixed connection of the adapter and the elastic sheet is realized by the matching of the opening and the protrusion. This makes it possible to dispense with a clamping operation between the claws of the adapter and the spring plate, which not only simplifies the production of the adapter, prevents undesirable stresses from being induced in the spring plate and thus prevents the spring plate from being deformed, but also makes it possible to dispense with an additional positioning step, thus ensuring a reliable fixed connection between the adapter and the spring plate in a cost-effective manner and optimizing the functionality of the wiper assembly.

Drawings

The principles, features and advantages of the present invention may be better understood by describing the utility model in more detail below with reference to the accompanying drawings. The drawings comprise:

fig. 1 shows an exploded view of a wiper assembly for a vehicle according to an exemplary embodiment of the present invention;

fig. 2 shows a partial view of a spring and an adapter of a wiper assembly according to an exemplary embodiment of the present invention;

fig. 3 shows an assembled view of the wiper assembly spring and adapter according to an exemplary embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and exemplary embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the scope of the utility model.

In this specification, for convenience, terms indicating orientation or positional relationship such as "middle", "upper", "lower", "front", "rear", and the like are used to explain the positional relationship of constituent elements with reference to the drawings, only for convenience of description and simplification of description, and do not indicate or imply that a device or element referred to has a specific orientation, is constructed in a specific orientation, and is operated, and thus, should not be construed as limiting the present disclosure. The positional relationship of the constituent elements is appropriately changed according to the direction in which each constituent element is described. Therefore, the words described in the specification are not limited to the words described in the specification, and may be replaced as appropriate.

In the drawings, the size of each component, the thickness of a layer, or a region may be exaggerated for clarity. Accordingly, the shapes and sizes of each of the elements in the drawings are not to be considered true scale.

Fig. 1 shows an exploded view of a wiper assembly 100 for a vehicle according to an exemplary embodiment of the present invention. Here, the wiper assembly 100 is exemplarily installed at a front windshield of a vehicle and is adapted to wipe foreign substances attached to the windshield.

As shown in fig. 1, the wiper assembly 100 has a wiper blade 10 and a resilient piece 20, wherein the wiper blade 10 has a wiping portion that is attached to a windshield of a vehicle and performs wiping action, and a fastening portion that is fitted into a groove 21 of the resilient piece 20, thereby achieving a fastening connection of the wiper blade 10 and the resilient piece 20. The wiping part is made of rubber, for example.

The recess 21 is formed, for example, centrally and in an elongated manner in the spring plate 20. This makes it possible to fasten the wiper blade 10 centrally on the spring plate 20 and to avoid the wiper blade 10 falling out of the recess 21 of the spring plate 20 due to the uneven forces occurring during wiping. Here, the grooves 21 are continuously configured, thereby simplifying the manufacturing process of the spring plate 20. However, it is also conceivable for the groove 21 to be formed in sections, for example in two sections, which are symmetrical with respect to the center of the longitudinal extent of the spring plate 20. Of course, it is also conceivable to design the groove 21 in more sections.

As shown in fig. 1, the wiper assembly 100 further has an adapter 30 and a bracket 40, wherein the adapter 30 is configured for fixed connection with the resilient piece 20, and the bracket 40 is configured to connect the adapter 30 with a wiper rod of a vehicle. When the wiper rod of the vehicle moves, the bracket 40 and the adapter 30 are driven to move along with the wiper rod, so as to further drive the elastic sheet 20 fixedly connected with the adapter 30 and the wiper blade 10 fastened on the elastic sheet 20, thereby realizing the wiping movement of the wiper blade 10. Here, the support 40 is formed, for example, by injection molding of plastic.

In order to fixedly connect the adaptor 30 to the spring plate 20, at least one opening 22 is provided in the spring plate 20 and at least one protrusion 31 is provided in the adaptor 30, said opening and said protrusion corresponding to each other and cooperating with each other to fixedly connect the adaptor 30 to the spring plate 20, see in particular fig. 2 and 3.

Illustratively, the spring plate 20 is made of metal and is integrally formed by a stamping process. It is conceivable here to stamp the spring plate 20 with the recess 21 and the at least one opening 22 in one stamping operation on a single metal sheet. This enables the spring plate 20 to be produced quickly and cost-effectively. In addition, in order to improve corrosion resistance and abrasion resistance of the spring plate 20, a coating layer, such as a polyethylene terephthalate (PET) coating layer, is coated on the spring plate 20. Other coatings that are deemed significant by those skilled in the art are of course also contemplated.

Illustratively, the adapter 30 is integrally formed from plastic through an injection molding process. An adapter manufactured by injection molding of plastic can avoid material waste and save costs compared to existing adapters manufactured by metal working. Furthermore, the adapter 30 itself, which is made of plastic, has good properties of corrosion and wear resistance, and therefore no additional coating is required, which further saves the manufacturing costs of the adapter 30. It is conceivable here for the adapter 30 to be injection-molded from polyoxymethylene resin (POM). But other materials considered to be of interest to the skilled person, such as Polycarbonate (PC) or rubber, etc., are also contemplated. The adapter 30, which is made of plastic, can be fixedly connected to the carrier 30 in a form-fitting manner without the use of rivets or pins.

Illustratively, the carrier 40 of the wiper assembly 100 is multi-piece constructed and has a connecting portion 41 specifically for connection with a wiper rod of a vehicle, which is replaceable. Thereby, the respective connecting portions 41 can be flexibly used for different types of wiper rods, thereby improving workability of the wiper assembly 100. Here, the connecting portion 41 is detachably arranged in the holder 40, for example, by a snap connection. However, it is also conceivable for the carrier 40 to be constructed in one piece and for the entire carrier 40 to be exchanged for a different type of wiper rod.

As shown in fig. 1, the wiper assembly 100 further illustratively includes a deflector 50 disposed over the resilient tab 20 and for directing an airflow acting on the wiper assembly 100. The air resistance can be reduced by the air guide 50 and the wiper blade 10 can be brought closer to the windshield, thereby facilitating the oscillating movement of the wiper assembly 100. Here, the deflector 50 may be provided with symmetrical deflector surfaces or asymmetrical deflector surfaces, according to the principle of wind resistance. In addition, the deflector 50 can also improve the appearance of the wiper assembly 100 and prevent direct impact of rain water or the like on the resilient plate 20.

As shown in fig. 1, the wiper assembly 100 further illustratively includes snaps 60 disposed at two opposite ends of the wiper assembly 100 and for fixedly fitting the deflector 50, the striking plate 20, and the blade 10 together. Especially in extreme weather conditions such as strong winds or heavy rains, the deflector 50 and the wiper blade 10 can be prevented from falling off the wiper assembly 100 by the catch 60. It is conceivable here for the latching means 60 to engage with lateral notches at both ends of the spring plate 20.

Fig. 2 shows a partial view of the striking plate 20 and the adaptor 30 of the wiper assembly 100 according to an exemplary embodiment of the present invention.

As shown in fig. 2, the spring plate 20 is provided with a recess 21 for receiving the wiper 10 and four openings 22, which are symmetrically distributed on both sides of the spring plate 20 with respect to the longitudinal axis of the spring plate 20. Of course, other numbers of openings 22 are contemplated as would be deemed significant by one skilled in the art. It is also conceivable for the openings 22 to be distributed asymmetrically, for example offset from one another, with respect to the longitudinal axis of the spring plate 20. Correspondingly, the adapter 30 is provided with the same number, here four projections 31, which correspond in position to the openings 22 in the spring plate 20 and can each be inserted exactly into a respective opening 22. This in turn enables accurate positioning of the dome 20 and the adapter 30 relative to each other.

Illustratively, the opening 22 of the dome 20 can have a shape of a truncated circle. It is of course also conceivable for the opening 22 to have another shape which is considered to be expedient by the person skilled in the art, for example a circular, oval, fan-shaped, polygonal or the like shape. Here, the protrusion 31 of the adaptor 30 may have the same shape as the opening 22.

Fig. 3 shows an assembly view illustrating the striking plate 20 and the adaptor 30 of the wiper assembly 100 according to an exemplary embodiment of the present invention.

As shown in fig. 3, the fixed connection between the resilient sheet 20 and the adapter 30 is achieved by the matching of the opening 22 of the resilient sheet 20 and the protrusion 31 of the adapter 30.

Illustratively, the engagement of the opening 22 of the resilient tab 20 and the protrusion 31 of the adaptor 30 may be achieved by: the protrusion 31 of the adapter 30 is first inserted into the opening 22 of the elastic sheet 20, and then the protrusion 31 penetrating through the opening 22 is melted and deformed by a hot melting process and is kept under pressure until being cooled and solidified, so that the fixed connection between the protrusion 31 and the opening 22 or between the elastic sheet 20 and the adapter 30 is realized. The fastening connection thus formed has a high connection strength and can still function effectively at high or low temperatures or in the event of an impact.

It is also conceivable that the projection 31 of the adapter 30 is elastically deformable and is provided with an undercut whose height corresponds to the thickness of the spring plate 20. The projection 31 is inserted or pressed into the opening 22 of the spring plate 20 in an elastically deformable manner, and the spring plate 20 snaps into the undercut of the projection 31, as a result of which the projection 31 forms a form-locking connection with the opening 22, which likewise effects the engagement of the opening 22 and the projection 31. In this case, the dimension in the circumferential direction of the projection 31, for example, the diameter is slightly larger than the dimension of the opening 22, so that the projection 31 is prevented from coming out of the opening 22. Other adaptations are also contemplated as would be deemed significant by one skilled in the art.

Illustratively, after the elastic piece 20 and the adapter 30 are fixedly connected, the deflector 50, the elastic piece 20 and the wiper blade 10 are fixedly assembled together by the snap 60, and then the bracket 40 is mounted on the adapter 30, thereby obtaining the wiper assembly 100.

The preceding explanations of embodiments describe the utility model only in the framework of said examples. Of course, the individual features of the embodiments can be freely combined with one another as far as technically expedient, without departing from the framework of the utility model.

Other advantages and alternative embodiments of the present invention will be apparent to those skilled in the art. Therefore, the utility model in its broader aspects is not limited to the specific details, representative structures, and illustrative examples shown and described. On the contrary, various modifications and substitutions may be made by those skilled in the art without departing from the basic spirit and scope of the utility model.

Claims

1. A wiper assembly (100) for a vehicle, said wiper assembly (100) comprising at least:

-a spring plate (20) provided with a groove (21);

-a wiper blade (10) configured to be suitable to be embedded in the groove (21) of the spring blade (20);

-an adapter (30) configured to be adapted to be fixedly connected with the spring plate (20), an

-a bracket (40) configured to be adapted to connect the adapter (30) and a wiper rod of the vehicle,

wherein the spring plate (20) is provided with at least one opening (22) and the adapter (30) is provided with at least one protrusion (31), and the adapter (30) and the spring plate (20) are fixedly connected through the matching of the opening and the protrusion.

2. The wiper assembly (100) of claim 1 wherein said adapter (30) is integrally formed of plastic by an injection molding process.

3. The wiper assembly (100) according to claim 1 or 2,

the projection (31) is inserted into the opening (22) and is fixedly connected with the opening (22) through a hot melting process; and/or

The projection (31) engages in the opening (22) in an elastically deformable manner and forms a form-locking connection with the opening (22).

4. The wiper assembly (100) according to claim 1 or 2, characterized in that the striking plate (20) has a plurality of openings (22) symmetrically distributed on both sides of the striking plate (20) with respect to the longitudinal axis of the striking plate (20), and the adapter (30) has a number of projections (31) equal to the number of openings (22), which projections correspond to the openings (22), respectively.

5. The wiper assembly (100) according to claim 1 or 2 wherein the resilient tab (20) is integrally formed from metal by a stamping process.

6. The wiper assembly (100) according to claim 1 or 2 wherein the resilient tab (20) is coated with a coating.

7. The wiper assembly (100) according to claim 1 or 2, characterized in that the recess (21) of the striking plate (20) is centrally and elongated configured; and/or

The groove (21) of the spring plate (20) is configured continuously or in sections; and/or

The opening (22) of the spring plate (20) can have a circular, oval, fan-shaped, truncated circular, polygonal or similar shape.

8. The wiper assembly (100) according to claim 1 or 2, characterized in that the carrier (40) is constructed in multiple parts and has an exchangeable connecting portion (41) for connection with a wiper rod of the vehicle.

9. The wiper assembly (100) according to claim 1 or 2, wherein the wiper assembly (100) further comprises a deflector (50) sleeved on the spring (20) and configured to direct an airflow acting on the wiper assembly (100).

10. The wiper assembly (100) according to claim 9, wherein the wiper assembly (100) further comprises snaps (60) arranged at both ends of the wiper assembly (100) and configured to fixedly fit the deflector (50), the resilient tab (20) and the wiper blade (10).

11. The wiper assembly (100) of claim 2 wherein said adapter (30) is integrally molded from polyoxymethylene resin by an injection molding process.

12. The wiper assembly (100) of claim 6 wherein said coating is a polyethylene terephthalate coating.