CN113734097B

CN113734097B - Wiping arrangement and car of door window

Info

Publication number: CN113734097B
Application number: CN202111068065.6A
Authority: CN
Inventors: 李睿; 杨彦召; 郭超; 肖英贺
Original assignee: China Automotive Innovation Co Ltd
Current assignee: China Automotive Innovation Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2023-11-14
Anticipated expiration: 2041-09-13
Also published as: CN113734097A

Abstract

The invention discloses a wiping device for a vehicle window and a vehicle, and belongs to the technical field of wiping of vehicle windows. The wiping device of the vehicle window comprises a fixing piece; a guide member on which a wiper member is provided, and which is rotatably connected to the fixing member, the wiper member being for wiping an inner surface of the window; the rotating piece is rotationally connected with the fixing piece; the wiping device of the vehicle window further comprises: and the sliding block is arranged on the guide piece in a sliding way, and the rotating piece is rotationally connected with the sliding block. The beneficial effects are that: according to the wiping device for the car window, the guide piece and the wiping piece can swing back and forth on the car window only by enabling the rotating piece to drive the sliding block to move, so that fewer parts are needed for the wiping device for the whole car window, the structure is simple, and the assembly efficiency is high; and as the related intermediate parts are only sliders, the number of the related intermediate parts is small, so that the probability of failure of the wiping device of the vehicle window is greatly reduced.

Description

Wiping arrangement and car of door window

Technical Field

The invention relates to the technical field of wiping of automobile windows, in particular to a wiping device of an automobile window and an automobile.

Background

The automobile is easily formed with water mist on the inner surface of the automobile window due to the influence of temperature difference between the inner side and the outer side of the automobile in the driving process, so that the vision of passengers is influenced, and the riding experience is poor; for this reason, although the passenger usually wipes the vehicle by hand directly, the water is accumulated on the hand by wiping the vehicle by hand, and therefore, it is necessary to provide a wiping device for wiping the water mist on the inner surface of the vehicle window.

At present, the wiping device comprises a first connecting rod, a middle shaft, a second connecting rod, a wiper shaft and a wiper piece. The first connecting rod drives the intermediate shaft to move up and down, the intermediate shaft drives the second connecting rod to rotate, meanwhile, the second connecting rod drives the wiper shaft to do ninety-degree reciprocating rotation, the other end of the wiper shaft is connected to the wiper piece, and the wiper piece swings by ninety degrees under the driving of the wiper shaft, so that the purpose of changing water drops on the inner surface of the glass window into water films is achieved, and the situation and scenery outside the automobile can be seen through the clear glass window.

Therefore, the existing wiping device can enable the first connecting rod to drive the wiper to swing back and forth within a certain angle range only by the combined action of the intermediate shaft, the second connecting rod and the wiper shaft, and the whole wiping device has the advantages of more required parts, complex structure and lower assembly efficiency; and the wiper device can not be used continuously due to the fact that any one of the middle shaft, the second connecting rod and the wiper shaft is problematic, and the probability of failure of the wiper device is high.

In view of the foregoing, there is a need to design a wiping device for a vehicle window and an automobile to solve the above problems.

Disclosure of Invention

An object of the present invention is to provide a wiping device for a vehicle window, which has a simple structure, high assembly efficiency and reduced probability of failure of the wiping device for the vehicle window.

To achieve the purpose, the invention adopts the following technical scheme:

a wiping device for a vehicle window, comprising:

a fixing member;

a guide member on which a wiper member is provided, and which is rotatably connected to the fixing member, the wiper member being for wiping an inner surface of the window;

the rotating piece is rotationally connected with the fixing piece;

the wiping device of the vehicle window further comprises:

and the sliding block is arranged on the guide piece in a sliding way, and the rotating piece is rotationally connected with the sliding block.

Further, the wiping device for a vehicle window further includes:

and the driving piece is used for driving the rotating piece to rotate around the fixing piece.

Further, the wiper includes: the vehicle window comprises a wiping strip for wiping the inner surface of the vehicle window and a supporting piece for fixing the wiping strip, wherein the supporting piece is arranged on the guide piece, a water guide groove is arranged on the supporting piece, the wiping strip is provided with micropores, and the micropores are communicated with the water guide groove;

the guide piece is provided with a containing cavity and a communication hole for communicating the containing cavity with the water guide groove.

Further, the wiping device for a vehicle window further includes:

a piston arranged in the accommodating cavity, and in sliding fit with the guide piece;

a first valve provided to the accommodation chamber, the first valve being configured to open the communication hole when the piston moves away from the wiper; the first valve closes the communication hole when the piston moves toward the wiper.

Further, a stop piece is arranged at the communication part of the accommodating cavity and the communication hole; the first valve includes:

the first valve block is located between the stop part and the piston, the first elastic part is connected with the first valve block and the inner wall of the containing cavity, and the first elastic part drives the first valve block to be abutted to the stop part.

Further, the guide member is provided with a chute communicated with the accommodating cavity, the piston is provided with a connecting member, the connecting member penetrates through the chute and is connected with the sliding block, the piston is close to the wiping member relative to the connecting member, and the piston is always located between the chute and the wiping member.

Further, the wiping device for a vehicle window further includes:

the guide piece is provided with a water outlet communicated with the accommodating cavity, an inlet of the water outlet is communicated with the water outlet, the piston is always positioned on one side of the water outlet away from the wiping piece, and an outlet of the water outlet is communicated with the water collecting box;

a second valve disposed at the drain opening, the second valve being configured to close the drain opening when the piston moves away from the wiper, the second valve opening the drain opening when the piston moves closer to the wiper.

Further, the second valve includes:

the second valve block and the second elastic piece are rotationally arranged on the outer surface of the guide piece, the second elastic piece is connected with the second valve block and the outer surface of the guide piece, and the second elastic piece drives the second valve block to be abutted to the outer surface of the guide piece.

Further, the drain pipe is arranged in the sliding block in a sliding way.

Another object of the present invention is to propose a motor vehicle comprising a wiping device for the window that is simple in structure, has a high assembly efficiency and reduces the probability of failure of the wiping device for the window.

To achieve the purpose, the invention adopts the following technical scheme:

an automobile comprising a wiping device for a vehicle window as described above.

The beneficial effects of the invention are as follows:

the invention provides a wiping device of a vehicle window, which is characterized in that a wiping piece for wiping the inner surface of the vehicle window is arranged on a guide piece, the guide piece is rotationally connected with a fixed piece, a rotating piece is rotationally connected with the fixed piece, a sliding block is arranged on the guide piece in a sliding manner, and the rotating piece is rotationally connected with the sliding block; the rotating piece can drive the sliding block to slide on the guide piece so as to drive the guide piece and the wiping piece to swing back and forth on the vehicle window, and the wiping piece can wipe the inner surface of the vehicle window; according to the wiping device of the vehicle window, the guide piece and the wiping piece can swing back and forth on the vehicle window only by enabling the rotating piece to drive the sliding block to move, compared with the fact that the first connecting rod drives the wiping piece to swing back and forth in a certain angle range under the combined action of the intermediate shaft, the second connecting rod and the wiper shaft in the prior art, the wiping device of the whole vehicle window has the advantages that fewer parts are needed, the structure is simple, and the assembly efficiency is high; and as the related intermediate parts are only sliders, the number of the related intermediate parts is small, so that the probability of failure of the wiping device of the vehicle window is greatly reduced.

Drawings

Fig. 1 is a schematic structural view of a wiping device for a vehicle window according to the present invention;

FIG. 2 is a schematic view of the structure of the inside of the guide provided by the present invention;

fig. 3 is a schematic structural diagram of a first valve and a second valve according to the present invention.

In the figure:

1-a fixing piece; 2-a rotating member; 3-guides; 31-a receiving chamber; 32-stop; 4-wiper; 41-wiping strips; 42-a support; 5-a slider;

61-a first valve; 611-a first valve plate; 62-a piston; 63-a water collection box; 64-a second valve; 641-a second valve plate; 65-connecting piece; 66-drain pipe.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise. Like reference numerals refer to like elements throughout the specification.

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings.

At present, the wiping device comprises a first connecting rod, a middle shaft, a second connecting rod, a wiper shaft and a wiper piece. The first connecting rod drives the intermediate shaft to move up and down, the intermediate shaft drives the second connecting rod to rotate, meanwhile, the second connecting rod drives the wiper shaft to reciprocate for ninety degrees, the other end of the wiper shaft is connected with the wiper piece, and the wiper piece swings for ninety degrees under the drive of the wiper shaft, so that the purpose of changing water drops on the glass window into water films is achieved, and the situation and scenery outside the vehicle can be seen through the clear glass window; however, the existing wiping device can enable the first connecting rod to drive the wiper to swing back and forth within a certain angle range only by the combined action of the intermediate shaft, the second connecting rod and the wiper shaft, so that the whole wiping device has more required parts, complex structure and lower assembly efficiency; and the wiper device can not be used continuously due to the fact that any one of the middle shaft, the second connecting rod and the wiper shaft is problematic, and the probability of failure of the wiper device is high.

In this regard, as shown in fig. 1, a wiping device for a vehicle window is proposed in the present embodiment. The wiping device of the vehicle window comprises a fixed part 1, a guide part 3 and a rotating part 2. Wherein a wiper 4 for wiping the inner surface of the window is provided on the guide 3, and the guide 3 is rotatably connected with the fixing member 1; the rotating piece 2 is rotationally connected with the fixed piece 1; the wiping device of the vehicle window further comprises a sliding block 5, the sliding block 5 is arranged on the guide piece 3 in a sliding manner, and the rotating piece 2 is connected with the sliding block 5 in a rotating manner. Wherein the rotating member 2 is configured to drive the slider 5 to slide to drive the guide member 3 and the wiper member 4 to reciprocate on the window so that the wiper member 4 wipes the inner surface of the window. In this embodiment, the fixing member 1, the rotating member 2 and the guiding member 3 are all in rod-shaped structures, and the fixing member 1 may be fixed on the inner surface of the vehicle window or may be fixed at a position of the vehicle frame adjacent to the vehicle window.

In the wiping device for the vehicle window in the embodiment, the rotating piece 2 drives the sliding block 5 to slide on the guiding piece 3, and then the sliding block 5 drives the guiding piece 3 and the wiping piece 4 to swing back and forth on the vehicle window, so that the wiping piece 4 wipes the inner surface of the vehicle window. The guide piece 3 and the wiping piece 4 can swing back and forth on the vehicle window only by enabling the rotating piece 2 to drive the sliding block 5 to move; compared with the prior art, the wiper device has the advantages that the first connecting rod drives the wiper to reciprocate within a certain angle range only by the combined action of the intermediate shaft, the second connecting rod and the wiper shaft, so that fewer parts are required for the wiping device of the whole car window, the structure is simple, and the assembly efficiency is high; the number of the related intermediate parts is small as the sliding blocks 5 are only used, so that the probability of failure of the wiping device of the vehicle window is greatly reduced; by arranging the sliding block 5, the swinging motion of the guide piece 3 can be stable, so that the working stability of the wiping device of the vehicle window is good.

Further, the wiping device of the vehicle window further comprises a driving piece; the driving piece is in driving connection with the rotating piece 2, and the driving piece is used for driving the rotating piece 2 to rotate around the fixing piece 1. Thus, the inner surface of the vehicle window can be automatically wiped. In other embodiments, a handle may be provided on the rotating member 2, and the wiping of the inner surface of the vehicle window may be achieved by manually rotating the rotating member 2 through the handle. In this embodiment, the driving member may be any one of a cylinder and an electric push rod. Taking a cylinder as an example, the body of the cylinder is rotatably arranged on the frame, and the cylinder rod of the cylinder is rotatably connected with the rotating piece 2.

Alternatively, both the length of the wiper 4 and the length of the rotor 2 may be telescopic. In particular, the length of the wiper 4 matches the length of the rotor 2 and both match the requirements of the passenger's viewing range; through the adjustment of the length of the rotating piece 2, the guide piece 3 can make reciprocating swing in different angle ranges, so that a proper swing angle can be found according to the specific conditions in the vehicle window; at the same time, by adjusting the length of the wiper 4 on the guide 3, a range meeting the viewing needs of the passengers can be wiped out. Illustratively, taking the rotating member 2 as an example, the rotating member 2 includes a first rod and a second rod, the first rod is slidably sleeved on the second rod, the first rod and the second rod are respectively rotationally connected with the fixing member 1 and the sliding block 5, the first rod is provided with a spring pin, the second rod is provided with a plurality of pin holes along the length direction at intervals, and the spring pin can be inserted into any pin hole.

As shown in fig. 2, in the present embodiment, the wiper 4 includes a wiper strip 41 for wiping the inner surface of the vehicle window, and a support member 42 for fixing the wiper strip 41, the support member 42 is mounted on the guide member 3, a water guide groove is provided on the support member 42, and the wiper strip 41 is provided with micro holes which communicate with the water guide groove so as to enable water wiped off the wiper strip 41 to flow into the water guide groove directly through the micro holes, so as to avoid overflow of the wiping water on the wiper strip 41 into the vehicle. Wherein the wiping strip 41 may be a sponge.

Further, as shown in fig. 2, the guide member 3 is provided with a containing cavity 31 and a communicating hole for communicating the containing cavity 31 with the water guiding groove, so that the accumulated water in the water guiding groove can directly flow into the containing cavity 31 through the communicating hole, and excessive accumulated water in the water guiding groove can be prevented from overflowing into the vehicle, and the riding experience of passengers is guaranteed to be good.

Further, as shown in fig. 2, the wiping device for a vehicle window further includes a piston 62 and a first valve 61. Wherein the piston 62 is arranged in the accommodating cavity 31, the piston 62 is in sliding fit with the guide piece 3, and the piston 62 can slide back and forth in the accommodating cavity 31 along the length direction of the accommodating cavity 31; the first valve 61 is provided in the accommodating chamber 31, and the first valve 61 is configured such that when the piston 62 moves away from the wiper 4, the first valve 61 opens the communication hole so that the water in the water guide tank flows into the accommodating chamber 31 through the communication hole, thereby being able to avoid excessive water in the water guide tank from continuing to accommodate the water on the wiper strip 41; when the piston 62 moves toward the wiper 4, the first valve 61 closes the communication hole to block the water guide groove from the accommodating chamber 31, and water in the accommodating chamber 31 is prevented from being squeezed out when the piston 62 moves. Wherein the direction of the inflow of water on the wiper 4 into the accommodating chamber 31 is indicated by arrow a in fig. 2.

Specifically, as shown in fig. 2 and 3, a stopper 32 is provided at a communication place of the accommodation chamber 31 and the communication hole; the first valve 61 includes a first valve plate 611 and a first elastic member, the first valve plate 611 is located between the stop member 32 and the piston 62, the first elastic member connects the first valve plate 611 and an inner wall of the accommodating cavity 31, and the first elastic member drives the first valve plate 611 to abut against the stop member 32. In this embodiment, the first elastic member may be any one of a torsion spring, a tension spring, and a compression spring. The stopper 32 is specifically a stepped surface formed between the accommodating chamber 31 and the communication hole (the inner diameter of the accommodating chamber 31 is larger than the inner diameter of the communication hole, and a stepped surface is formed therebetween), and the stopper 32 may be an annular bump protruding from the accommodating chamber 31. In this embodiment, the first valve 61 adopts a valve with a mechanical structure, so that the reliability of the opening or closing operation of the first valve 61 is higher, and in other embodiments, the first valve 61 may be replaced by an electromagnetic valve, and it should be noted that the cost of the valve with a mechanical structure is lower than that of the electromagnetic valve.

The first valve 61 operates as follows: when the piston 62 moves toward the wiper 4, the containing volume of the gas in the containing chamber 31 becomes smaller, the gas is compressed, the direction of the force applied to the first valve plate 611 by the gas is the same as the direction of the force applied to the first valve plate 611 by the first elastic member, at this time, the first valve plate 611 abuts against the stopper 32, the communication hole is closed, and water is prevented from flowing out from the containing chamber 31. When the piston 62 moves away from the wiper 4, the containing volume of the gas in the containing chamber 31 becomes larger, the gas pressure decreases, the gas gives the first valve plate 611 a suction force in a direction opposite to the direction in which the first elastic member gives the first valve plate 611, and when the suction force can overcome the force of the first elastic member given to the first valve plate 611, the first valve plate 611 moves away from the stopper 32 with respect to the first elastic member to open the communication hole.

Specifically, a chute communicated with the accommodating cavity 31 is further arranged in the guide member 3, as shown in fig. 2, the piston 62 is provided with a connecting piece 65, the connecting piece 65 penetrates through the chute and is connected with the sliding block 5, and the piston 62 is close to the wiping piece 4 relative to the connecting piece 65, so that the sliding block 5 can slide to drive the connecting piece 65 to move, and the connecting piece 65 drives the piston 62 to move in the accommodating cavity 31; and the piston 62 is always positioned between the chute and the wiper 4, so as to avoid air leakage and water leakage when the piston 62 moves to the position of the chute. In this embodiment, the sliding block 5 drives the pistons 62 to move synchronously, so that driving parts for independently driving the pistons 62 to move can be saved. In other embodiments, a motor may be provided on the guide 3 to drivingly connect the motor to the piston 62, such that the motor moves the piston 62.

The connecting piece 65 is approximately in a U-shaped structure, one end of the U-shaped structure is located in the accommodating cavity 31 and connected with the piston 62, and the other end of the U-shaped structure penetrates through the sliding groove and is located outside the accommodating cavity 31 and connected with the sliding block 5. By the arrangement, a certain interval between the sliding groove and the piston 62 in the length direction along the guide piece 3 can be ensured, the sliding groove is further ensured to be positioned outside the movement range of the piston 62, and air leakage and water leakage are prevented from being generated at the position of the piston 62 moving to the sliding groove.

As an alternative thereto, the receiving chamber 31 is provided with an opening at the end remote from the wiper 4, one end of the U-shaped structure being located in the receiving chamber 31 and connected to the piston 62, and the other end of the U-shaped structure bypassing the opening and being located outside the receiving chamber 31 and connected to the slider 5. The U-shaped structure can enable a certain movable space to be formed between the guide piece 3 and the connecting piece 65, so that interference between the connecting piece 65 and the guide piece 3 can not be generated in the process that the sliding block 5 drives the connecting piece 65 to move.

Further, as shown in fig. 2, the wiping device for the vehicle window further comprises a water collecting box 63 and a drain pipe 66, a drain hole communicated with the accommodating cavity 31 is further arranged on the guide member 3, an inlet of the drain pipe 66 is communicated with the drain hole, the piston 62 is always positioned on one side of the drain hole away from the wiping member 4, and an outlet of the drain pipe 66 is communicated with the water collecting box 63; so that the accumulated water in the accommodating chamber 31 can be directly discharged into the water collecting box 63 through the water outlet and the water discharging pipe 66 when the accumulated water in the accommodating chamber 31 is excessive.

As shown in fig. 2, the wiping device for a vehicle window further includes a second valve 64 provided at the drain port, the second valve 64 being configured such that when the piston 62 moves away from the wiper 4, the second valve 64 closes the drain port, the accommodating chamber 31 does not leak air from the drain port, and the piston 62 is not affected to suck water in the water guide groove into the accommodating chamber 31; when the piston 62 moves closer to the wiper 4, the second valve 64 opens the drain opening, and the piston 62 pushes the water in the accommodating chamber 31 from the drain opening to the drain pipe 66 for draining. Wherein the direction of water in the receiving chamber 31 is discharged into the water collecting box 63 as indicated by arrow B in fig. 2.

Specifically, as shown in fig. 2 and 3, the second valve 64 includes a second valve plate 641 and a second elastic member, the second valve plate 641 is rotatably disposed on the outer surface of the guide member 3, the second elastic member connects the second valve plate 641 and the outer surface of the guide member 3, and the second elastic member drives the second valve plate 641 to abut against the outer surface of the guide member 3 so as to close the drain outlet. In this embodiment, the second elastic member may be any one of a torsion spring, a tension spring, and a compression spring. In this embodiment, the second valve 64 adopts a valve with a mechanical structure, so that the reliability of the opening or closing action of the second valve 64 is higher, and in other embodiments, the second valve 64 may be replaced by an electromagnetic valve, and it should be noted that the cost of the valve with a mechanical structure is lower than that of the electromagnetic valve.

The working principle of the second valve 64 is similar to that of the first valve 61, and the specific working principle thereof may refer to the first valve 61, and detailed description thereof will not be repeated here. When the piston 62 moves toward the wiper 4, the second valve plate 641 moves away from the outer surface of the guide 3 with respect to the second elastic member, and the drain opening is opened, so that water in the accommodating chamber 31 can be drained into the water collecting tank 63 and discharged. When the piston 62 moves away from the wiper 4, the second valve plate 641 abuts against the outer surface of the guide 3 to close the drain opening.

Further, as shown in fig. 2, the drain pipe 66 is slidably disposed through the slider 5 and connected to the water collecting box 63, so that the drain pipe 66 can limit the rotation of the slider 5, and the drain pipe 66, the guide member 3 and the rotating member 2 can act on each other, so as to avoid the rotation of the slider 5 in the sliding process, and thus the rotation of the slider 5 can be better limited.

The wiping device for the vehicle window in this embodiment works as follows:

when the inner surface of the vehicle window is provided with water mist: first, the driving member is operated to drive the rotating member 2 to rotate around the fixed member 1; then, the rotating member 2 drives the guide member 3 to reciprocate on the window within a certain angle range through the sliding block 5, so as to drive the wiper member 4 on the guide member 3 to reciprocate on the window, and the wiping strip 41 of the wiper member 4 wipes water mist on the window.

Then, the water wiped off the wiper strip 41 flows directly into the water guide groove through the micro holes.

During the sliding process of the sliding block 5, the sliding block 5 drives the piston 62 to synchronously move through the connecting piece 65: when the piston 62 is driven to move away from the wiper 4, the first valve 61 is opened, the second valve 64 is closed, and the water in the water guide tank is sucked into the accommodating chamber 31 to perform a water sucking operation. When the piston 62 is moved toward the wiper 4, the first valve 61 is closed and the second valve 64 is opened, and the piston 62 pushes the water in the accommodating chamber 31 to drain from the drain port into the drain pipe 66 for the draining operation.

Finally, when the passenger obtains a satisfactory window viewing range, the driving piece is stopped to finish the whole wiping operation process of the wiping device of the window.

In this embodiment, an automobile is also provided, which includes the wiping device for a vehicle window as described above, the wiping device for a vehicle window being provided on an inner surface of the vehicle window. The vehicle window can be a front windshield, a rear windshield and windshields on the left side and the right side.

The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.

Claims

1. A wiping device for a vehicle window, comprising:

a fixing member (1);

a guide member (3) on which a wiper member (4) is provided, and the guide member (3) is rotatably connected to the fixed member (1), the wiper member (4) being for wiping an inner surface of a vehicle window;

the rotating piece (2), the rotating piece (2) is connected with the fixing piece (1) in a rotating way;

it is characterized in that the method comprises the steps of,

the wiping device of the vehicle window further comprises:

the sliding block (5) is arranged on the guide piece (3) in a sliding manner, and the rotating piece (2) is rotationally connected with the sliding block (5);

the wiper (4) comprises: a wiping strip (41) for wiping the inner surface of the vehicle window, and a supporting piece (42) for fixing the wiping strip (41), wherein the supporting piece (42) is arranged on the guide piece (3), a water guide groove is arranged on the supporting piece (42), and the wiping strip (41) is provided with micropores which are communicated with the water guide groove;

the guide piece (3) is provided with a containing cavity (31) and a communication hole for communicating the containing cavity (31) with the water guide groove;

the wiping device of the vehicle window further comprises:

a piston (62) disposed within the receiving chamber (31), the piston (62) being in sliding engagement with the guide (3);

-a first valve (61), the first valve (61) being provided to the accommodation chamber (31), the first valve (61) being configured such that when the piston (62) moves away from the wiper (4), the first valve (61) opens the communication hole; when the piston (62) moves toward the wiper (4), the first valve (61) closes the communication hole.

2. The wiping device for a vehicle window according to claim 1, characterized in that the wiping device for a vehicle window further comprises:

the driving piece is used for driving the rotating piece (2) to rotate around the fixing piece (1).

3. The wiping device of the vehicle window according to claim 1, characterized in that a stop (32) is provided at the communication of the housing chamber (31) and the communication hole; the first valve (61) comprises:

the valve comprises a first valve plate (611) and a first elastic piece, wherein the first valve plate (611) is positioned between the stop piece (32) and the piston (62), the first elastic piece is connected with the first valve plate (611) and the inner wall of the accommodating cavity (31), and the first elastic piece drives the first valve plate (611) to be abutted to the stop piece (32).

4. The wiping device of a vehicle window according to claim 1, characterized in that the guide (3) is provided with a chute communicating with the receiving chamber (31), the piston (62) is provided with a connecting piece (65), the connecting piece (65) passes through the chute and is connected with the slider (5), and the piston (62) is close to the wiper (4) relative to the connecting piece (65), the piston (62) being always located between the chute and the wiper (4).

5. The wiping device for a vehicle window according to claim 1, characterized in that the wiping device for a vehicle window further comprises:

a water collecting box (63) and a drain pipe (66), wherein the guide piece (3) is provided with a water outlet communicated with the accommodating cavity (31), an inlet of the drain pipe (66) is communicated with the water outlet, the piston (62) is always positioned on one side of the water outlet away from the wiping piece (4), and an outlet of the drain pipe (66) is communicated with the water collecting box (63);

a second valve (64) disposed at the drain opening, the second valve (64) being configured such that when the piston (62) moves away from the wiper (4), the second valve (64) closes the drain opening, and when the piston (62) moves closer to the wiper (4), the second valve (64) opens the drain opening.

6. The wiping device of a vehicle window according to claim 5, characterized in that said second valve (64) comprises:

the second valve block (641) and the second elastic piece, the second valve block (641) rotate set up in the surface of guide (3), the second elastic piece connect second valve block (641) with the surface of guide (3), just the second elastic piece drive second valve block (641) butt in the surface of guide (3).

7. The wiping device of a vehicle window according to claim 6, characterized in that the drain pipe (66) is slidingly arranged through the slider (5).

8. An automobile, characterized by comprising a wiping device of a window as defined in any one of claims 1 to 7.