WO2023093581A1

WO2023093581A1 - Wiper assembly and vehicle having same

Info

Publication number: WO2023093581A1
Application number: PCT/CN2022/132088
Authority: WO
Inventors: 梁少龙; 郑玉端; 姜鑫; 丁春朋; 李才波
Original assignee: 北京车和家汽车科技有限公司
Priority date: 2021-11-26
Filing date: 2022-11-15
Publication date: 2023-06-01
Also published as: CN216805374U

Abstract

A wiper assembly and a vehicle having the windscreen wiper assembly. The wiper assembly comprises a first wiper component (1) and a second wiper component (2). The first wiper component (1) has a first end and a second end arranged in an extending direction of the first wiper component (1). The second wiper component (2) has a first end and a second end arranged in an extending direction of the second wiper component (2). The second end of the second wiper component (2) is connected to the second end of the first wiper component (1) to form a joint (100). The first end of the second wiper component (2) and the first end of the first wiper component (1) are located on the same side of the joint (100).

Description

Wiper assembly and vehicle with it

Cross References to Related Applications

This application claims priority to Chinese Patent Application No. 202122944597.3 filed in China on November 26, 2021, the entire contents of which are incorporated herein by reference.

technical field

The present disclosure relates to the technical field of vehicle components, in particular to a wiper assembly and a vehicle with the wiper assembly.

Background technique

As the size of the front windshield of the vehicle increases, the length of the wiper also increases, but the increase in the length of the wiper causes the wiper to become larger and larger, and its weight also continues to increase. The increase in the size and weight of the wiper blade causes the wiper blade to vibrate more, wear faster and shorten the service life when the wiper blade is in motion.

Contents of the invention

Embodiments of the present disclosure provide a wiper assembly, which can reduce vibration of the wiper blade during movement.

An embodiment of the present disclosure also proposes a vehicle including the above wiper assembly.

The wiper assembly of an embodiment of the present disclosure includes: a first wiper component, the first wiper component has a first end and a second end arranged in its extending direction; a second wiper component, the second The wiper component has a first end and a second end arranged in its extending direction, the second end of the second wiper assembly is connected with the second end of the first wiper assembly to form a joint, the The first end of the second wiper assembly and the first end of the first wiper assembly are located on the same side of the connection.

The wiper assembly of the embodiments of the present disclosure can reduce vibration of the wiper blade during movement.

In some embodiments, the first wiper component includes a first connecting head, a first wiper arm and a first blade, and the first connecting head is arranged with a first One end and a second end, the first end of the first connector is pivotally connected to one end of the first scraper arm, the first scraper is connected to the other end of the first scraper arm, and the first scraper arm is connected to the second end of the first scraper arm. The second wiper component includes a second connector, a second wiper arm and a second blade, the second connector is arranged with a first end and a second end in the extending direction of the second wiper component, the first The second ends of the two connecting heads are connected to the second ends of the first connecting head to form the connection, the first end of the second connecting head is pivotally connected to one end of the second scraping arm, the The second scraper is connected to the other end of the second scraper arm, the distance between the end of the first scraper adjacent to the connection and the connection is A1, and the second scraper 23 is away from The distance between one end of the connection and the connection is A2, and A2≧A1.

In some embodiments, the first scraper and the second scraper are arranged in parallel.

In some embodiments, the first connector and the second connector are detachably connected.

In some embodiments, the first connector and the second connector are snap fit, the first connector is provided with a snap slot, and the second connector is provided with a snap part, so The clamping part is engaged with the clamping slot to connect the first connector and the second connector.

In some embodiments, the first connector is provided with a first through hole, the first through hole communicates with the clamping groove, the first through hole in the clamping groove, the first through hole A hole passes through the first connector along the thickness direction of the first connector, and a second through hole is provided on the engaging part, and the second through hole penetrates through the second connector along the thickness direction of the second connector. The second connector, the second through hole communicates with the first through hole, the wiper assembly further includes a connector, one end of the connector passes through the second through hole and the first through hole to Connect the first connector with the second connector.

In some embodiments, the first connector is further provided with a plurality of positioning protrusions, the plurality of positioning protrusions are respectively arranged in the engaging groove, and the plurality of positioning protrusions are arranged along the The circumferential direction of the first through hole is arranged at intervals, the engaging portion is provided with a plurality of positioning grooves, the plurality of positioning grooves are arranged at intervals in the circumferential direction of the second through hole, and the plurality of positioning protrusions match with a plurality of said positioning grooves.

In some embodiments, the dimension of the first wiper component in its extending direction is larger than the dimension of the second wiper component in its extending direction.

In some embodiments, the extension direction of the first connector and the extension direction of the second connector form an included angle.

A vehicle according to an embodiment of the present disclosure includes: the wiper assembly described in any one of the above embodiments.

The vehicle according to the embodiments of the present disclosure can reduce the shaking of the wiper during movement, and can also increase the field of view.

Description of drawings

Fig. 1 is a schematic structural diagram of a wiper assembly according to an embodiment of the present disclosure.

Fig. 2 is a schematic diagram of the connection between the first connector and the second connector in the wiper assembly according to the embodiment of the present disclosure.

Fig. 3 is a schematic structural diagram of a first connecting head in a wiper assembly according to an embodiment of the present disclosure.

Fig. 4 is a schematic structural view of the second connection head in the wiper assembly according to the embodiment of the present disclosure.

Fig. 5 is a schematic view of the use state of the wiper assembly according to the embodiment of the present disclosure.

Reference signs:

Junction 100,

The first wiper component 1, the first connecting head 11, the engagement groove 111, the first through hole 112, the positioning protrusion 113, the first wiper arm 12, the first wiper blade 13,

The second wiper part 2, the second connecting head 21, the engaging part 211, the second through hole 212, the positioning groove 213, the second wiper arm 22, the second wiper blade 23,

Connector 3.

Detailed ways

Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present disclosure and should not be construed as limiting the present disclosure.

A two-stage vehicle wiper is disclosed in the related art. The vehicle wiper in the related art includes a small wiper blade and a large wiper blade. The large wiper blade is in a semi-arc shape. The control box is inserted and combined with the connecting piece, a rotating shaft is installed between the connecting piece and the connecting rod, and a small wiper blade is installed on the connecting piece. However, the inventors of the present application found that the vehicle wiper blades in this related art are relatively independent by setting two wiper blades and driven by the same motor. Jitter occurs during the process.

The wiper assembly of the embodiment of the present disclosure includes a first wiper component 1 and a second wiper component 2 .

The first wiper member 1 has a first end and a second end arranged in an extending direction thereof (a left-right direction as shown in FIG. 1 ).

The second wiper component 2 has a first end and a second end arranged in its extending direction (left-right direction as shown in FIG. 1 ), the second end of the second wiper assembly is connected to the first end of the first wiper assembly. The two ends are connected to form a joint 100 , and the first end of the second wiper assembly and the first end of the first wiper assembly are located on the same side of the joint 100 .

Specifically, as shown in Figure 1, the right end of the first wiper component 1 is connected to the right end of the second wiper component 2 to form a joint 100. It should be noted that the right end of the first wiper component 1 is connected to the second wiper component 2. The right end of scraping part 2 is all connected with wiper motor. Both the second wiper component 2 and the first wiper component 1 are located on the left side of the connection 100 .

In the wiper assembly of the embodiment of the present disclosure, compared with one wiper, the first wiper assembly and the second wiper assembly reduce the length and mass of the wiper, thereby reducing the wiper blade during movement. jitter.

In some embodiments, the first wiper component 1 includes a first connection head 11 , a first wiper arm 12 and a first wiper blade 13 , and the first connection head 11 is arranged with a second One end (the left end of the first connector 11 as shown in Figure 1) and the second end (the right end of the first connector 11 as shown in Figure 1), the first end of the first connector 11 and the first scraper One end of the arm 12 is pivotally connected, and the first scraper 13 is connected with the other end of the first scraper arm 12 .

Specifically, as shown in FIG. 1 , the left end of the first connecting head 11 is pivotally connected to the right end of the first scraper arm 12 through a pivot shaft, and the first scraper arm 12 can rotate around the pivot shaft. The left end of a scraping arm 12 is connected. It should be noted that the first scraping blade 13 is detachably connected with the first scraping arm 12 , so that the first scraping blade 13 is convenient to replace the first scraping blade 13 .

In some embodiments, the second wiper component 2 includes a second connection head 21 , a second wiper arm 22 and a second wiper blade 23 , and the second connection head 21 is arranged with first end (the left end of the second connector 21 as shown in Figure 1) and the second end (the right end of the second connector 21 as shown in Figure 1), the second end of the second connector 21 and the first connector The second ends of 11 are connected to form a joint 100 , the first end of the second connecting head 21 is pivotally connected to one end of the second scraper arm 22 , and the second scraper is connected to the other end of the second scraper arm 22 .

Specifically, as shown in FIG. 1 , the right end of the second connecting head 21 is connected to the right end of the first connecting head 11 to form a joint 100, and the left end of the second connecting head 21 is connected to the right end of the second scraping arm 22 through a pivot shaft. Pivot connection, the second scraper arm 22 can rotate around the pivot shaft, the second scraper blade 23 is connected with the left end of the second scraper arm 22, it should be noted that the second scraper blade 23 and the second scraper arm 22 are detachable The ground is connected, so that the second wiper component 2 is convenient for replacing the second wiper blade 23 .

The distance between the end of the first scraper 13 adjacent to the connection 100 and the connection 100 is A1, the distance between the end of the second scraper 23 away from the connection 100 and the connection 100 is A2, and A2≥A1 , when A2≥A1, that is, when the first blade 13 and the second blade 23 are running, the area covered by the first blade 13 and the range covered by the second blade 23 partially overlap, thereby increasing the driver's Driving vision improves driving safety.

In some embodiments, the first scraper 13 and the second scraper 23 are arranged in parallel.

Specifically, as shown in FIG. 1 , both the first scraper blade 13 and the second scraper blade 23 extend along the left-right direction, and the first scraper blade 13 and the second scraper blade 23 are arranged in parallel.

In some embodiments, the first connector 11 and the second connector 21 are detachably connected.

It should be noted that the right end of the first connecting head 11 is detachably connected with the right end of the second connecting head 21. It can be understood that the first connecting head 11 and the second connecting head 21 can be clamped or bolted. Connected by disconnecting the connection.

In the wiper assembly of the embodiment of the present disclosure, the first connector 11 and the second connector 21 are detachably connected, so that the first wiper part 1 and the second wiper part 2 can be assembled separately, and the manufacturing process is reduced. It is easy to transport and easy to operate. It can also be produced and transported in existing workshops and production lines without redeveloping production lines and reducing manufacturing costs.

In some embodiments, the first connector 11 and the second connector 21 are snap fit, the first connector 11 is provided with a snap slot 111 , the second connector 21 is provided with a snap part 211 , and the clip The connecting portion 211 is engaged with the locking slot 111 to connect the first connector 11 and the second connector 21 .

Specifically, as shown in FIG. 2 , the right end of the first connector 11 is provided with a locking groove 111 , and the right end of the second connecting head 21 is provided with a locking portion 211 , and the locking portion 211 is engaged with the locking groove 111 so that Connect the first connecting head 11 to the second connecting head 21 , so as to connect the first wiper component 1 to the second wiper component 2 .

In the wiper assembly of the embodiment of the present disclosure, the snap fit between the first connector 11 and the second connector 21 improves the transfer efficiency of the first wiper part 1 and the second wiper part 2 .

In some embodiments, the first connector 11 is provided with a first through hole 112, and the first through hole 112 communicates with the engaging groove 111, and the first through hole 112 in the engaging groove 111 is along the first through hole 112 A connecting head 11 passes through the first connecting head 11 in the thickness direction, and a second through hole 212 is provided on the engaging portion 211, and the second through hole 212 runs through the second connecting head 21 along the thickness direction of the second connecting head 21. The through hole 212 communicates with the first through hole 112. The wiper assembly also includes a connector 3, and one end of the connector 3 passes through the second through hole 212 and the first through hole 112 to connect the first connector 11 to the second connector. Head 21 is connected.

It should be noted that the connecting piece 3 is a bolt, and the first through hole 112 and the second through hole 212 are provided with internal threads that match the bolt. It can be understood that the connecting piece 3 can also be a connecting pin or a connecting card. buckle.

Specifically, as shown in FIG. 3 and FIG. 4 , the diameters of the first through hole 112 and the second through hole 212 are the same, and one end of the connector 3 sequentially passes through the second through hole 212 and the first through hole 112 to connect the first connector 11 is connected to the second connector 21.

Specifically, as shown in FIG. 1 and FIG. 5 , the distance between the right end surface of the first scraper and the axis of the first through hole 112 in the left-right direction is A1, and the left end surface of the second scraper and the axis of the second through hole 212 are separated by A1. The distance between the axis of the axis in the left and right direction is A2, and A2≥A1, the range covered by the first scraper 13 partially overlaps with the range covered by the second scraper 23, thereby increasing the driver's driving field of vision and improving driving performance. safety.

In the wiper assembly of the embodiment of the present disclosure, the first connecting head 11 is provided with a first through hole 112, the engaging part 211 is provided with a second through hole 212, and the connecting piece 3 passes through the second through hole 212 and the first through hole. The hole 112 connects the first connector 11 and the second connector 21, which can make the connection between the first connector 11 and the second connector 21 more stable, and avoid loosening between the first connector 11 and the second connector 21 , so as to ensure the stability of the operation of the wiper assembly.

In some embodiments, the first connector 11 is further provided with a plurality of positioning protrusions 113, and the plurality of positioning protrusions 113 are respectively arranged in the locking groove 111, and the plurality of positioning protrusions 113 are arranged along the first through hole 112. The circumferential direction of the second through hole 212 is arranged at intervals, the engaging part 211 is provided with a plurality of positioning grooves 213, and the plurality of positioning grooves 213 are arranged at intervals in the circumferential direction of the second through hole 212, and the plurality of positioning protrusions 113 and the plurality of positioning grooves 213 match.

Specifically, as shown in Figure 3 and Figure 4, a plurality of positioning protrusions 113 are arranged at intervals in the circumferential direction of the first through hole 112, one end of the positioning protrusions 113 is connected with the side wall of the engaging groove 111, and the positioning protrusions 113 The positioning protrusions 113 extend along the radial direction of the first through hole 112 and have the same size and shape. A plurality of positioning grooves 213 are arranged at intervals in the circumferential direction of the second through hole 212, and the shape and size of the positioning grooves 213 are adapted to the shape and size of the positioning protrusion 113, and the positioning grooves 213 and the positioning protrusion 113 corresponding to the location.

It should be noted that the number of positioning grooves 213 is the same as the number of positioning protrusions 113 .

The wiper assembly of the embodiment of the present disclosure is provided with a positioning protrusion 113 and a positioning groove 213, which can improve the assembly accuracy of the first connector 11 and the second connector 21, thereby reducing the vibration of the wiper assembly during operation, and improving the rain. The stability of the scraping component operation.

In some embodiments, the dimension of the first wiper component 1 in its extending direction is larger than the dimension of the second wiper component 2 in its extending direction.

Specifically, as shown in Figure 1, the size of the first wiper component 1 in the left-right direction is larger than the size of the second wiper component 2 in the left-right direction, and the size of the first wiper blade 13 in the left-right direction is larger than that of the second The size of the wiper blade 23 in the left-right direction is such that when the first wiper component 1 and the second wiper component 2 operate, the area covered by the second wiper blade 23 is located inside the area covered by the first wiper blade 13, that is, The area covered by the second scraper 23 is closer to the axis of the first through hole 112 than the area covered by the first scraper 13 , and the area covered by the first scraper 13 is partly the same as the area covered by the second scraper 23 Overlap, thereby increasing the driver's field of vision and improving driving safety.

In some embodiments, the extension direction of the first connector 11 and the extension direction of the second connector 21 form an included angle.

Specifically, as shown in FIG. 1 , an angle is formed between the first connector 11 and the second connector 21, and the angle is B, and 10°≤B≤30°, so as to avoid the first connector 11 and the second connector 21. Interference occurs when the second connecting head 21 moves, which can also improve the driver's field of vision and improve driving safety.

The operation of the wiper assembly of the embodiment of the present disclosure will be described below with reference to FIGS. 1 to 5 .

Engage the engaging part 211 on the second connecting head 21 with the engaging groove 111 on the first connecting head 11, make the positioning protrusion 113 correspond to the positioning groove 213, and then put one end of the connecting piece 3 through Through the second through hole 212 and the first through hole 112 to connect the first connector 11 and the second connector 21, so as to complete the connection of the first wiper part 1 and the second wiper part 2, and then the assembled The wiper assembly is connected to the output shaft of the wiper motor. When the wiper motor drives the wiper assembly to rotate, the first wiper blade 13 can cover a larger fan-shaped area, the second wiper blade 23 can cover a smaller fan-shaped area, and the fan-shaped area covered by the second wiper blade 23 is located at the second The inner side of the fan-shaped area covered by a wiper blade 13, and the two fan-shaped areas partially overlap, thereby increasing the driver's field of vision and improving driving safety, and because the first wiper component 1 and the second wiper component 2 The split structure reduces the overall size and mass of the wiper, and also reduces the vibration of the wiper assembly during operation.

A vehicle of an embodiment of the present disclosure includes a vehicle body (not shown) and a wiper assembly.

The wiper assembly is the wiper assembly of any of the above embodiments, the second end of the first wiper component 1 and the second end of the second wiper component 2 are connected to the vehicle body, and the first wiper component 1 and The second wiper member 2 is rotatable relative to the vehicle body.

Specifically, as shown in Figure 5, the right end of the first wiper component 1 and the right end of the second wiper component 2 are connected to the vehicle body, and the first wiper component 1 and the second wiper component 2 are relatively opposite to the vehicle body. can be rotated.

In the vehicle of the embodiment of the present disclosure, compared with one wiper, the first wiper assembly and the second wiper assembly reduce the length and mass of the wiper, thereby reducing the vibration of the wiper blade during movement , when the first wiper component 1 and the second wiper component 2 are in operation, the area covered by the second wiper blade 23 is located inside the area covered by the first wiper blade 13 , that is, the area covered by the second wiper blade 23 is The area covered by the first scraper 13 is adjacent to the axis of the first through hole 112, and the area covered by the first scraper 13 partially overlaps the area covered by the second scraper 23, thereby increasing the driver's field of vision, Improve driving safety.

In describing the present disclosure, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientations or positional relationships indicated by "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying the referred devices or elements Must be in a particular orientation, constructed, and operate in a particular orientation, and thus should not be construed as limiting on the present disclosure.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this disclosure, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it may be a fixed connection or a detachable connection, unless otherwise clearly defined and limited. , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present disclosure according to specific situations.

In the present disclosure, unless otherwise clearly stated and limited, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirect through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In this disclosure, the terms "one embodiment," "some embodiments," "example," "specific examples," or "some examples" mean a specific feature, structure, material, or characteristic described in connection with the embodiment or example Included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms are not necessarily referring to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present disclosure have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present disclosure, and those skilled in the art can understand the above-mentioned embodiments within the scope of the present disclosure. The embodiments are subject to changes, modifications, substitutions and variations.

All the embodiments of the present disclosure can be implemented independently or in combination with other embodiments, which are all regarded as the scope of protection required by the present disclosure.

Claims

A wiper assembly, characterized in that it comprises:

a first wiper member having a first end and a second end arranged in its extending direction;

A second wiper component, the second wiper component has a first end and a second end arranged in its extending direction, the second end of the second wiper assembly is connected to the first end of the first wiper assembly The two ends are connected to form a joint, and the first end of the second wiper assembly and the first end of the first wiper assembly are located on the same side of the joint.
The wiper assembly according to claim 1, wherein the first wiper component comprises a first connector, a first wiper arm and a first blade, and the first connector is connected to the first wiper A first end and a second end are arranged in the extending direction of the wiper part, the second end of the first connector is the second end of the first wiper assembly, the first end of the first connector is connected to the One end of the first scraping arm is pivotally connected, and the first scraping blade is connected to the other end of the first scraping arm,

The second wiper component includes a second connection head, a second wiper arm and a second blade, the second connection head is arranged with a first end and a second end in the extending direction of the second wiper component, The second end of the second connecting head is connected to the second end of the first connecting head to form the connection, and the first end of the second connecting head is pivotally connected to one end of the second scraping arm , the second scraper is connected to the other end of the second scraper arm,

The distance between the end of the first scraper adjacent to the connection and the connection is A1, and the distance between the end of the second scraper away from the connection and the connection is A2, and A2≥A1.
The wiper assembly according to claim 2, wherein the first wiper blade and the second wiper blade are arranged in parallel.
The wiper assembly according to claim 2 or 3, wherein the first connector and the second connector are detachably connected.
The wiper assembly according to any one of claims 2-4, characterized in that, the first connector and the second connector are snap fit, and the first connector is provided with a snap groove , the second connecting head is provided with a locking part, and the locking part is engaged with the locking groove so as to connect the first connecting head and the second connecting head.
The wiper assembly according to claim 5, wherein the first connecting head is provided with a first through hole, the first through hole communicates with the locking groove, and the first through hole is along the The thickness direction of the first connection head passes through the first connection head, and a second through hole is provided on the engaging portion, and the second through hole passes through the first connection head along the thickness direction of the second connection head. two connectors, the second through hole communicates with the first through hole,

The wiper assembly further includes a connecting piece, one end of which passes through the second through hole and the first through hole to connect the first connecting head with the second connecting head.
The wiper assembly according to claim 6, wherein the first connector is further provided with a plurality of positioning protrusions, the positioning protrusions are arranged in the engaging groove, and the plurality of positioning protrusions The positioning protrusions are arranged at intervals along the circumferential direction of the first through hole, and a plurality of positioning grooves are arranged on the engaging part, and the plurality of positioning grooves are arranged at intervals in the circumferential direction of the second through hole, A plurality of positioning protrusions cooperate with a plurality of positioning grooves.
The wiper assembly according to any one of claims 1-7, characterized in that, the dimension of the first wiper component in its extending direction is larger than the dimension of the second wiper component in its extending direction .
The wiper assembly according to any one of claims 2-7, characterized in that, the extending direction of the first connecting head and the extending direction of the second connecting head form an included angle.
A vehicle, characterized by comprising: the wiper assembly according to any one of claims 1-9.