CN111016848A

CN111016848A - Wiper arm, hidden back windscreen wiper and car of conveniently changing doctor-bar

Info

Publication number: CN111016848A
Application number: CN201911407205.0A
Authority: CN
Inventors: �田�浩; 王少亚; 宋应鑫; 王蠡
Original assignee: Zhejiang Geely Holding Group Co Ltd; Ningbo Geely Automobile Research and Development Co Ltd
Current assignee: Geely Asia Europe Ningbo Meishan Free Trade Port Technology Co ltd; Zhejiang Geely Holding Group Co Ltd; Ningbo Geely Automobile Research and Development Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-17

Abstract

The invention discloses a wiper arm, a hidden rear wiper facilitating blade replacement and an automobile, wherein the wiper arm comprises: the first end of the arm seat is provided with a connector, and the second end of the arm seat is provided with a rotating shaft and at least one limiting part; the scraping arm comprises a scraping arm body, wherein one end of the scraping arm body is provided with a slotted hole and at least one abutting part, the rotating shaft is connected with the slotted hole, and the abutting part is movably abutted with the limiting part to limit the position of the abutting part; the wiper arm body is provided with a connecting part connected with the wiper blade; the elastic component, elastic component's first end with scrape this body coupling of arm, elastic component's second end with the arm seat is connected, has improved the convenience of changing the windscreen wiper piece, has promoted user's operation experience.

Description

Wiper arm, hidden back windscreen wiper and car of conveniently changing doctor-bar

Technical Field

The invention relates to an automobile part, in particular to a hidden rear windscreen wiper with a windscreen wiper arm and a wiper blade convenient to replace and an automobile.

Background

The windscreen wiper serves as an important component of the automobile, and the safety performance of the automobile in the driving process is improved. The existing automobile is provided with a hidden rear wiper for paying attention to the integral modeling effect, the hidden rear wiper is hidden under a spoiler, a wiper arm scraping blade structure cannot be seen from the outside of the automobile, but the wiper blade is a vulnerable part and is high in replacement frequency. The hidden rear windscreen wiper is arranged on the lower portion of the spoiler, the windscreen wiper blade stops below the spoiler, the replacement space of the wiper blade is insufficient, when the windscreen wiper blade is replaced, the spoiler needs to be detached first, then the wiper arm needs to be replaced, replacement is inconvenient, and after-sale maintenance time is high.

Disclosure of Invention

The embodiment of the invention provides a wiper arm, a hidden rear wiper facilitating replacement of wiper blades and an automobile, and effectively solves the technical problems that the wiper arm is limited in position and the wiper blades are inconvenient to replace.

In order to solve the above technical problem, an embodiment of the present invention discloses a wiper arm, including: the first end of the arm seat is provided with a connector, and the second end of the arm seat is provided with a rotating shaft and at least one limiting part; the scraping arm comprises a scraping arm body, wherein one end of the scraping arm body is provided with a slotted hole and at least one abutting part, the rotating shaft is connected with the slotted hole, and the abutting part is movably abutted with the limiting part to limit the position of the abutting part; the wiper arm body is provided with a connecting part connected with the wiper blade; the first end of the elastic component is connected with the scraping arm body, and the second end of the elastic component is connected with the arm seat.

Further, the second end of the elastic component is connected with the limiting part.

Furthermore, elastic component includes location bolt and extension spring, the both ends of location bolt constitute elastic component's second end, the one end of extension spring with the location bolt links to each other, the other end of extension spring constitutes elastic component's first end.

Further, scrape the arm body and be equipped with joint portion, joint portion with elastic component's first end links to each other.

Further, the second end of the arm seat is a U-shaped opening end.

Furthermore, the limiting part comprises a first limiting part and a second limiting part, and the first limiting part and the second limiting part are arranged at the U-shaped opening end and are symmetrical along the central line of the U-shaped opening end.

Furthermore, the connector is provided with a connecting hole.

The embodiment of the invention also provides a hidden rear wiper with a wiper blade convenient to replace, which comprises a wiper blade, a wiper motor, a controller and any one of the wiper arms, wherein an output shaft of the wiper motor is fixedly connected with the connector, the controller is used for controlling the wiper motor, and the controller comprises: the main control module is used for sending a reset signal and an operation signal; the reset module is connected with the main control module and used for receiving the reset signal and sending a reset instruction to the wiper motor; the operation module is connected with the main control module and used for receiving the operation signal and sending an operation instruction to the wiper motor; the reset instruction is used for controlling the wiper motor to delay the preset time to stop, and the running instruction is used for controlling the wiper motor to rotate so as to drive the wiper blade.

The embodiment of the invention also provides an automobile which comprises the hidden rear windscreen wiper with the wiper blade convenient to replace.

Further, the automobile is provided with a spoiler, and the hidden rear wiper convenient for replacing the wiper blade is arranged below the spoiler.

The implementation of the invention has the following beneficial effects:

the hidden rear windscreen wiper with the wiper arm and the wiper blade convenient to replace and the automobile provided by the invention have the advantages that: the slotted hole with the pivot cooperation makes scrape the arm body and can wind the arm seat rotates to provide the operating space who changes the windscreen wiper piece, scrape the arm body simultaneously around the arm seat pivoted in-process, butt portion with spacing portion butt, with the restriction turned angle, avoid scrape the arm body and take place to interfere with other structures of automobile body, for example the spoiler. According to the hidden rear wiper convenient for replacing the wiper blade and the automobile setting controller, the wiper motor is controlled to be stopped at the fixed position for delaying the preset time through the reset instruction of the controller so as to be convenient to maintain, and the wiper motor is enabled to rotate to drive the wiper blade to normally work through the operation instruction after the maintenance is finished. According to the technical scheme, the convenience of wiper blade replacement is improved, and the operation experience of a user is improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

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

Fig. 2 is a sectional view taken along a-a of fig. 1.

Fig. 3 is a schematic view illustrating the wiper arm body according to an embodiment of the present invention rotated to a certain position around the rotation shaft.

Fig. 4 is a bottom view of fig. 3.

Fig. 5 is a schematic structural view of the wiper arm when the abutting portion abuts against the limiting portion according to the embodiment of the present invention.

Fig. 6 is a block diagram of the controller according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of a circuit structure of a controller according to an embodiment of the present invention.

Fig. 8 is a schematic view of a wiper in a maintenance position according to an embodiment of the present invention.

Wherein the reference numerals in the figures correspond to: 1-arm seat, 11-connector, 111-connecting hole, 12-rotating shaft, 13-limiting part, 131-first limiting part, 132-second limiting part, 2-scraping arm body, 21-slotted hole, 22-abutting part, 23-connecting part, 24-clamping part, 3-elastic component, 31-positioning bolt, 32-tension spring, 400-controller, 410-reset module, 420-main control module, 430-operation module, 500-body controller, 600-wiper relay, 700-wiper motor, 800-stop position, 900-maintenance position.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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

As shown in fig. 1, fig. 1 is a schematic structural diagram of a wiper arm according to an embodiment of the present invention, the wiper arm includes: arm seat (1), the first end of arm seat (1) is equipped with connector (11), the connector is used for with the automobile body coupling, the one side that is close to the automobile body of connector is smooth plane, avoids the connector to drive to scrape the arm body and rotates the scraping automobile body.

As shown in fig. 2, fig. 2 is a cross-sectional view taken along a direction a-a in fig. 1, in this embodiment, a second end of the arm base (1) is provided with a rotating shaft (12) and at least one limiting portion (13); the rotating shaft (12) can be independently arranged or can be processed with the arm base (1) in an integrated forming mode, two ends of the rotating shaft (12) can be connected with other parts of the arm base (1), or one end of the rotating shaft (12) can be connected with other parts of the arm base (1), and the other end of the rotating shaft is arranged in a suspended mode; the shape of the rotating shaft may be a cylinder, a tetrahedron, a hexahedron or other irregular structures, which is not limited in the present invention. The limiting part can be arranged at the part of the arm seat (1) close to the connector (11) or at one end of the arm seat (1) far away from the connector (11); the limiting portion protrudes out of the surface of the arm seat (1), and the outer surface of the limiting portion is higher than the surface of the arm seat (1).

As shown in fig. 2, the scraping arm body (2) is provided with a slot (21) and at least one abutting portion (22) at one end of the scraping arm body (2), the rotating shaft (12) is connected with the slot (21), and the scraping arm body (2) can rotate around the rotating shaft (12) by taking the abutting surface of the slot (21) and the rotating shaft (12) as a support; fig. 3 is a schematic view showing the wiper arm body (2) rotated to a certain position around the rotation shaft (12) against the tension of the elastic member, and fig. 4 is a bottom view of fig. 3;

the abutting part (22) is movably abutted with the limiting part (13) to limit the position of the abutting part (22); when the wiper arm body (2) rotates around the rotating shaft (12) to a fixed position, the abutting part (22) interferes with the position of the limiting part (13), and the limiting part (13) stops the rotation of the wiper arm body (2) around the rotating shaft (12), as shown in fig. 5, fig. 5 is a schematic structural diagram of the wiper arm provided by the embodiment of the invention when the abutting part (22) abuts against the limiting part (13), namely a boundary of a rotation range of the wiper arm body around the rotating shaft (12), and a position where the wiper arm body (2) is lifted relative to the rotation of the arm base (1) is limited.

As shown in fig. 4, the wiper arm body is provided with a connecting portion (23) connected to the wiper blade; the connecting portion (23) is provided with a clamping groove or a buckle to realize detachable connection of the wiper blade and the wiper arm body, and other detachable connection modes can be used for the detachable connection mode, which is not limited in the invention. Elastic component (3), the first end of elastic component (3) with scrape this body coupling of arm, the second end of elastic component (3) with arm seat (1) are connected, scrape arm body (2) under elastic component (3)'s effect, realized hugging closely with automobile body rear portion surface and with the connection of arm seat (1).

The second end of the elastic component (3) is connected with the limiting part (13). The limiting part 13 provides a fixing structure for connecting the elastic component with the arm seat (1).

Elastic component (3) are including location bolt (31) and extension spring (32), spacing portion (13) are equipped with the confession location bolt (31) insert with the fixed orifices of fixing location bolt (31), the tip of location bolt (31) is fixed in the fixed orifices. The tip of location bolt (31) constitutes the second end of elastic component (3), the one end of extension spring (32) with location bolt (31) link to each other, the other end of extension spring (32) constitutes the first end of elastic component (3).

Continuing as shown in fig. 4, the scraping arm body is provided with a clamping portion (24), and the clamping portion (24) is connected with the first end of the elastic component (3). The second end of the arm seat (1) is a U-shaped opening end.

Continuing as shown in fig. 4, the limiting portion (13) includes a first limiting portion (131) and a second limiting portion (132), and the first limiting portion (131) and the second limiting portion (132) are both disposed at the U-shaped opening end and are symmetrical along a center line of the U-shaped opening end.

The connector (11) is provided with a connecting hole (111). The connecting hole (111) is used for being connected with a power part to drive the wiper arm.

The embodiment of the invention also provides a hidden rear wiper convenient for blade replacement, which comprises a wiper blade, a wiper motor, a controller (400) and any one of the wiper arms, wherein an output shaft of the wiper motor is fixedly connected with the connector (11), as shown in fig. 6, a module diagram of the controller provided by the embodiment of the invention is shown, the controller (400) is used for controlling the wiper motor, and the controller (400) comprises: the main control module (420) is used for sending a reset signal and a running signal; the reset module (410) is connected with the main control module (420) and is used for receiving the reset signal and sending a reset instruction to the wiper motor; the operation module (430) is connected with the main control module (420) and is used for receiving the operation signal and sending an operation instruction to the wiper motor; the reset instruction is used for controlling the wiper motor to delay the preset time to stop, and the running instruction is used for controlling the wiper motor to rotate so as to drive the wiper blade. The specific structure of the wiper arm is as described above, and is not described herein again.

The controller (400) can be a vehicle body controller, a wiper switch is turned ON, the vehicle body controller sends an operation signal to the operation module (430) through the main control module (420), the operation module (430) sends an operation instruction to the wiper motor, and the wiper motor rotates to drive the wiper blade and the rear wiper to normally wipe. When the wiper blade needs to be replaced, the vehicle body controller sends an operation signal to the reset module (410) through the main control module (420), the reset module (410) sends a reset instruction to the wiper motor (700), the wiper motor is stopped after delaying for a preset time, and as shown in fig. 8, the wiper stops at a maintenance position (900).

As shown in fig. 7, in the circuit structure diagram of the controller provided in the embodiment of the present invention, pin 1 is a negative electrode of the wiper motor (700), pin 2 is a maintenance gear signal, pin 3 is a positive electrode of the wiper power supply, pin a is a reset signal input terminal, pin b is an output terminal of the wiper relay (600), pin J is a relay, the wiper switch is turned ON, the body controller (500) controls the relay J to pull in through pin b to supply power to the rear wiper motor (700), and the rear wiper is normally wiped. When the wiper switch is switched to a maintenance gear, the rear wiper motor (700) sends a low level signal to an a end of the automobile body controller (500) through a maintenance gear signal 2, after the automobile body controller (500) receives the low level signal, a T1 time is delayed through a pin b (the T1 time is determined through calibration) to disconnect a relay J, a pin 3 of the rear wiper motor (700) is grounded, as shown in fig. 8, the wiper is stopped at a maintenance position (900), and the T1 time is determined by referring to the rotating speed of the wiper motor and the convenient maintenance position.

After the wiper arm is stopped at the maintenance position (900), the wiper arm body 2 can be manually lifted, the wiper arm body 2 is abutted with the limiting part (13) through the abutting part (22) for limiting, and the wiper arm body 2 is prevented from interfering with the spoiler after being lifted; after the wiper blade is replaced, the wiper switch is turned OFF, the wiper blade returns to the stop position (800), and the wiper blade is replaced.

The embodiment of the invention also provides an automobile which comprises the hidden rear windscreen wiper with the wiper blade convenient to replace. The automobile is provided with a spoiler, and the hidden rear windscreen wiper with the wiper blades convenient to replace is arranged below the spoiler. The specific structure of the hidden rear wiper convenient for replacing the wiper blade is as described above, and is not described in detail herein.

While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A wiper arm, comprising:

the arm seat comprises an arm seat (1), wherein a connector (11) is arranged at the first end of the arm seat (1), and a rotating shaft (12) and at least one limiting part (13) are arranged at the second end of the arm seat (1);

the scraper arm comprises a scraper arm body 2, wherein one end of the scraper arm body is provided with a slotted hole (21) and at least one abutting part (22), the rotating shaft (12) is connected with the slotted hole (21), and the abutting part (22) is movably abutted against the limiting part (13) to limit the position of the abutting part (22); the wiper arm body is provided with a connecting part (23) connected with the wiper blade;

the first end of the elastic component (3) is connected with the scraping arm body, and the second end of the elastic component (3) is connected with the arm seat (1).

2. A wiper arm according to claim 1, wherein the second end of the resilient member (3) is connected to the retaining portion (13).

3. Wiper arm according to claim 1, characterized in that the elastic component (3) comprises a positioning pin (31) and a tension spring (32), both ends of the positioning pin (31) constituting the second end of the elastic component (3), one end of the tension spring (32) being connected to the positioning pin (31), the other end of the tension spring (32) constituting the first end of the elastic component (3).

4. Wiper arm according to claim 1, characterized in that the wiper arm body is provided with a snap-in portion (24), the snap-in portion (24) being connected to the first end of the resilient component (3).

5. A wiper arm according to claim 1, characterized in that the second end of the arm base (1) is a U-shaped open end.

6. The wiper arm according to claim 5, wherein the first (131) and second (132) retaining portions are comprised by the retaining portion (13), and the first (131) and second (132) retaining portions are disposed at the open end of the U and are symmetrical along a center line of the open end of the U.

7. Wiper arm according to claim 5, characterized in that the connecting head (11) is provided with a connecting hole (111).

8. A hidden rear wiper facilitating blade replacement, comprising a wiper blade, a wiper motor, a controller (400) and a wiper arm according to any one of claims 1 to 7, wherein an output shaft of the wiper motor is fixedly connected with the connector (11), the controller (400) is used for controlling the wiper motor, and the controller (400) comprises:

the main control module (420) is used for sending a reset signal and a running signal;

the reset module (410) is connected with the main control module (420) and is used for receiving the reset signal and sending a reset instruction to the wiper motor;

the operation module (430) is connected with the main control module (420) and is used for receiving the operation signal and sending an operation instruction to the wiper motor;

the reset instruction is used for controlling the wiper motor to delay the preset time to stop, and the running instruction is used for controlling the wiper motor to rotate so as to drive the wiper blade.

9. An automobile, characterized in that the automobile comprises the concealed rear wiper facilitating blade replacement according to claim 8.

10. The vehicle of claim 9 wherein said vehicle has a spoiler and said hidden rear wiper facilitating blade replacement is located below said spoiler.